/* ============================================================
   ANAND SIR — Mathematics & CS Educator · Premium v6.0
   Deep Navy + Electric Gold + Emerald · Math-themed graphics
   ============================================================ */
/* Fonts are requested once from the document head; avoid a blocking CSS import. */

:root {
  --navy:        #050e2b;
  --navy-mid:    #0a1942;
  --navy-bright: #1a3580;
  --blue:        #2563eb;
  --blue-bright: #3b82f6;
  --blue-light:  #93c5fd;
  --gold:        #f59e0b;
  --gold-bright: #fbbf24;
  --gold-light:  #fde68a;
  --emerald:     #10b981;
  --emerald-bright:#34d399;
  --purple:      #7c3aed;
  --pink:        #ec4899;
  --red:         #ef4444;
  --orange:      #f97316;
  --bg:          #f8faff;
  --bg-alt:      #eef2fc;
  --surface:     #ffffff;
  --border:      rgba(37,99,235,0.10);
  --text:        #0f172a;
  --text-mid:    #475569;
  --text-light:  #94a3b8;
  --nav-bg:      rgba(248,250,255,0.92);
  --card-bg:     #ffffff;
  --whatsapp:    #25d366;
  --r-sm: 12px; --r-md: 20px; --r-lg: 32px;
  --shadow-soft: 0 4px 24px rgba(37,99,235,0.07);
  --shadow-card: 0 8px 36px rgba(37,99,235,0.11);
  --shadow-hover:0 16px 52px rgba(37,99,235,0.15);
  --font-display:'Playfair Display', serif;
  --font-body:   'DM Sans', sans-serif;
  --font-mono:   'JetBrains Mono', monospace;
  --nav-h: 66px;
  --transition: all 0.3s cubic-bezier(0.4,0,0.2,1);
}
[data-theme="dark"] {
  --bg:#060d1f; --bg-alt:#0b1530; --surface:#0f1c3a;
  --border:rgba(59,130,246,0.13); --text:#e2e8f8;
  --text-mid:#8b9dc8; --text-light:#4d6088;
  --nav-bg:rgba(6,13,31,0.95); --card-bg:#0f1c3a;
  --shadow-soft:0 4px 24px rgba(0,0,0,0.4);
  --shadow-card:0 8px 36px rgba(0,0,0,0.5);
  --shadow-hover:0 16px 52px rgba(0,0,0,0.6);
}

*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;font-size:16px;overflow-x:hidden}
body{font-family:var(--font-body);background:var(--bg);color:var(--text);transition:background .4s,color .4s;overflow-x:hidden;-webkit-tap-highlight-color:transparent}
body.menu-open{overflow:hidden}
img{max-width:100%;height:auto;display:block}
a{text-decoration:none;color:inherit}
button{cursor:pointer;border:none;background:none;font-family:inherit}
p{line-height:1.7} ul{list-style:none}
::selection{background:var(--blue);color:#fff}
::-webkit-scrollbar{width:4px}
::-webkit-scrollbar-track{background:var(--bg)}
::-webkit-scrollbar-thumb{background:var(--blue);border-radius:2px}

/* ─── NAV ─── */
.nav{position:fixed;top:0;left:0;right:0;z-index:1000;background:var(--nav-bg);backdrop-filter:blur(24px) saturate(180%);-webkit-backdrop-filter:blur(24px) saturate(180%);border-bottom:1px solid var(--border);transition:var(--transition)}
.nav.scrolled{box-shadow:var(--shadow-soft)}
.nav-inner{max-width:1240px;margin:0 auto;padding:0 24px;height:var(--nav-h);display:flex;align-items:center;justify-content:space-between;gap:16px}
.nav-logo{display:flex;align-items:center;gap:10px;flex-shrink:0}
.nav-logo-icon{width:40px;height:40px;background:linear-gradient(135deg,var(--blue),var(--purple));border-radius:11px;display:flex;align-items:center;justify-content:center;color:#fff;font-family:var(--font-display);font-weight:700;font-size:1.15rem;box-shadow:0 4px 14px rgba(37,99,235,0.35)}
.nav-logo-text{font-family:var(--font-display);font-size:1.25rem;font-weight:700;background:linear-gradient(135deg,var(--navy),var(--blue));-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}
[data-theme="dark"] .nav-logo-text{background:linear-gradient(135deg,var(--blue-light),var(--blue-bright));-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}
.nav-links{display:flex;gap:2px;align-items:center;justify-content:center;flex:1 1 auto;min-width:0}
.nav-links a{padding:8px 12px;border-radius:8px;font-size:.875rem;font-weight:500;color:var(--text-mid);transition:var(--transition);flex:0 0 auto}
.nav-links a.nav-signin{padding:10px 18px;border-radius:999px;background:linear-gradient(135deg,var(--blue),var(--gold));color:#fff;font-weight:700;box-shadow:0 10px 24px rgba(37,99,235,0.18),inset 0 1px 0 rgba(255,255,255,0.22)}
.nav-profile{position:relative;display:flex;align-items:center;align-self:stretch}
.nav-profile-btn{display:inline-flex;align-items:center;gap:8px;min-height:40px;padding:7px 12px 7px 8px;border-radius:999px;color:var(--text);background:rgba(255,255,255,.72);border:1px solid rgba(37,99,235,.11);box-shadow:0 8px 24px rgba(15,23,42,.07);transition:var(--transition)}
.nav-profile:hover .nav-profile-btn,.nav-profile:focus-within .nav-profile-btn{background:#fff;border-color:rgba(37,99,235,.2);box-shadow:0 14px 32px rgba(15,23,42,.12)}
.nav-profile-avatar{width:28px;height:28px;border-radius:50%;display:inline-flex;align-items:center;justify-content:center;overflow:hidden;background:linear-gradient(135deg,var(--gold-light),var(--gold));color:#6b4200;font-weight:900;font-size:.78rem;flex:0 0 28px}
.nav-profile-avatar img{width:100%;height:100%;object-fit:cover}
.nav-profile-name{max-width:96px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;font-size:.84rem;font-weight:700;color:var(--text)}
.nav-profile-chevron{width:14px;height:14px;flex:0 0 14px;color:var(--text-mid);transition:transform .2s ease}
.nav-profile:hover .nav-profile-chevron,.nav-profile:focus-within .nav-profile-chevron{transform:rotate(180deg)}
.nav-profile-menu{position:absolute;top:calc(100% + 10px);right:0;min-width:178px;padding:8px;border-radius:16px;background:rgba(255,255,255,.98);border:1px solid rgba(37,99,235,.12);box-shadow:0 18px 44px rgba(15,23,42,.16);opacity:0;visibility:hidden;transform:translateY(8px);pointer-events:none;transition:opacity .18s ease,visibility .18s ease,transform .18s ease;z-index:1010}
.nav-profile-menu::before{content:'';position:absolute;right:24px;top:-7px;width:14px;height:14px;background:rgba(255,255,255,.98);border-left:1px solid rgba(37,99,235,.12);border-top:1px solid rgba(37,99,235,.12);transform:rotate(45deg)}
.nav-profile:hover .nav-profile-menu,.nav-profile:focus-within .nav-profile-menu{opacity:1;visibility:visible;transform:translateY(0);pointer-events:auto}
.nav-links .nav-profile-menu a{display:flex;align-items:center;width:100%;padding:10px 12px;border-radius:10px;color:var(--text-mid);font-size:.88rem;font-weight:700;line-height:1.2;white-space:nowrap;background:transparent;box-shadow:none}
.nav-links .nav-profile-menu a:hover,.nav-links .nav-profile-menu a:focus{background:rgba(37,99,235,.08);color:var(--blue);transform:none}
[data-theme="dark"] .nav-profile-btn,[data-theme="dark"] .nav-profile-menu,[data-theme="dark"] .nav-profile-menu::before{background:rgba(15,28,58,.98);border-color:rgba(59,130,246,.18)}
[data-theme="dark"] .nav-profile:hover .nav-profile-btn,[data-theme="dark"] .nav-profile:focus-within .nav-profile-btn{background:#132143}
[data-theme="dark"] .nav-profile-name{color:#e2e8f8}
.nav-item{position:relative}
.nav-item-mega{display:flex;align-items:center;position:relative}
.nav-item-mega::after{content:'';position:absolute;left:-8px;right:-8px;top:100%;height:18px}
.nav-mega-trigger{display:inline-flex;align-items:center;gap:6px}
.nav-mega-trigger::after{content:'▾';font-size:.72rem;line-height:1;opacity:.7;transition:transform .28s ease}
.nav-item-mega:hover .nav-mega-trigger::after,.nav-item-mega:focus-within .nav-mega-trigger::after{transform:rotate(180deg)}
.mega-menu{position:absolute;top:calc(100% + 10px);left:50%;padding-top:0;transform:translateX(-22%) translateY(10px);width:min(1140px,calc(100vw - 56px));opacity:0;visibility:hidden;pointer-events:none;transition:opacity .26s ease,transform .26s ease;z-index:1002}
.nav-item-mega:hover .mega-menu,.nav-item-mega:focus-within .mega-menu{opacity:1;visibility:visible;pointer-events:auto;transform:translateX(-22%) translateY(0)}
.mega-menu::before{content:'';position:absolute;left:19%;top:-14px;width:220px;height:18px;transform:translateX(-50%)}
.mega-menu-shell{position:relative;overflow:visible;border-radius:28px;padding:18px;background:linear-gradient(135deg,rgba(255,246,221,.99) 0%,rgba(247,251,255,.99) 50%,rgba(218,241,255,.98) 100%);border:1px solid rgba(125,211,252,.38);box-shadow:0 24px 60px rgba(15,23,42,.14),0 10px 24px rgba(125,211,252,.12)}
.mega-menu-shell::after{content:'';position:absolute;top:-10px;left:46px;width:20px;height:20px;background:linear-gradient(135deg,rgba(255,246,221,.99) 0%,rgba(242,249,255,.99) 100%);border-top:1px solid rgba(125,211,252,.38);border-left:1px solid rgba(245,158,11,.28);transform:rotate(45deg);border-top-left-radius:4px}
.mega-menu-shell::before{content:'';position:absolute;inset:0;background:radial-gradient(circle at top right,rgba(245,158,11,.18),transparent 30%),radial-gradient(circle at bottom left,rgba(125,211,252,.24),transparent 34%),linear-gradient(180deg,rgba(255,255,255,.42),rgba(255,255,255,0));pointer-events:none;border-radius:inherit}
.mega-browser,.mega-browser-main,.mega-browser-panel{position:relative;z-index:1}
.mega-browser{display:grid;grid-template-columns:240px minmax(0,1fr);min-height:420px}
.mega-browser-main{display:grid}
.mega-browser-panel{display:none;grid-template-columns:272px minmax(0,1fr)}
.mega-browser-panel.is-active{display:grid}
.mega-browser-col{padding:14px 16px}
.mega-browser-col-track{border-right:1px solid rgba(148,163,184,.18);display:flex;flex-direction:column;gap:12px}
.mega-browser-col-family{border-right:1px solid rgba(148,163,184,.18);display:flex;flex-direction:column;gap:12px;background:linear-gradient(180deg,rgba(255,255,255,.18),rgba(255,255,255,0))}
.mega-browser-col-detail{display:grid;align-content:start;padding-left:22px}
.mega-menu-label{font-size:.72rem;font-weight:900;letter-spacing:.08em;text-transform:uppercase;color:#7c6f5a;padding:2px 4px}
.mega-browser-card{display:grid;grid-template-columns:46px 1fr;align-items:center;gap:12px;width:100%;text-align:left;padding:14px 14px 14px 12px;border-radius:18px;background:rgba(255,255,255,.72);border:1px solid rgba(148,163,184,.14);position:relative;overflow:hidden;transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease,background .22s ease}
.mega-browser-card::after{content:'›';position:absolute;right:14px;top:14px;font-size:1rem;font-weight:700;opacity:.45}
.mega-browser-card:hover{transform:translateY(-1px)}
.mega-browser-card.is-active{background:linear-gradient(135deg,#d7ecfb,#eef8ff);border-color:rgba(125,211,252,.45);box-shadow:0 14px 30px rgba(125,211,252,.18)}
.mega-browser-card.is-active::before{content:'';position:absolute;right:-10px;bottom:-10px;width:62px;height:62px;border-radius:20px;background:linear-gradient(135deg,rgba(125,211,252,.36),rgba(245,158,11,.18));transform:rotate(18deg)}
.mega-browser-badge{width:36px;height:36px;border-radius:12px;display:flex;align-items:center;justify-content:center;font-size:.86rem;font-weight:800;color:#fff;box-shadow:inset 0 1px 0 rgba(255,255,255,.5),0 10px 20px rgba(148,163,184,.12)}
.mega-browser-copy{display:block;min-width:0;padding-right:18px}
.mega-browser-copy strong{display:block;font-size:1rem;font-weight:800;color:var(--navy);margin-bottom:4px;letter-spacing:-.02em}
.mega-browser-copy span{display:block;font-size:.77rem;line-height:1.35;color:#6f7d91}
.mega-detail-panel{display:none;min-height:100%}
.mega-detail-panel.is-active{display:grid;grid-template-rows:auto 1fr;gap:18px}
.mega-detail-head{display:flex;align-items:flex-start;justify-content:space-between;gap:16px;padding:4px 0 10px;border-bottom:1px solid rgba(148,163,184,.16)}
.mega-detail-head h3{font-family:var(--font-display);font-size:2rem;line-height:.98;margin-bottom:8px;color:#123e63;letter-spacing:-.04em}
.mega-detail-head p{max-width:440px;font-size:.92rem;line-height:1.5;color:#0d5a96}
.mega-detail-cta{display:inline-flex;align-items:center;justify-content:center;padding:10px 16px;border-radius:14px;background:linear-gradient(135deg,#0a6bad,#1d9fe4);color:#fff!important;font-weight:800;font-size:.82rem;box-shadow:0 10px 20px rgba(14,116,211,.16);white-space:nowrap}
.mega-detail-columns{display:grid;gap:18px;align-content:start}
.mega-detail-columns.two-up{grid-template-columns:repeat(2,minmax(0,1fr))}
.mega-detail-columns.three-up{grid-template-columns:repeat(3,minmax(0,1fr))}
.mega-topic-column{display:grid;align-content:start;gap:8px}
.mega-topic-column h4{font-size:1.05rem;font-weight:900;color:#162338;letter-spacing:-.02em;margin-bottom:4px}
.mega-topic-column a{display:block;padding:9px 10px;border-radius:12px;font-size:.9rem;font-weight:600;color:#28415d;transition:background .2s ease,color .2s ease,transform .2s ease}
.mega-topic-column a:hover{background:linear-gradient(135deg,rgba(255,250,238,.98),rgba(230,245,255,.98));color:#0a6bad;transform:translateX(3px)}
.tone-gold .mega-link-icon{background:linear-gradient(135deg,#f59e0b,#ef4444 68%,#fde68a)}
.tone-sky .mega-link-icon{background:linear-gradient(135deg,#38bdf8,#2563eb 68%,#bfdbfe)}
.tone-mint .mega-link-icon{background:linear-gradient(135deg,#34d399,#22c55e 62%,#93c5fd)}
.tone-peach .mega-link-icon{background:linear-gradient(135deg,#fb7185,#ef4444 64%,#f9a8d4)}
.tone-lilac .mega-link-icon{background:linear-gradient(135deg,#8b5cf6,#6366f1 64%,#c4b5fd)}
.tone-teal .mega-link-icon{background:linear-gradient(135deg,#14b8a6,#0ea5e9 64%,#99f6e4)}
.tone-gold.mega-browser-badge{background:linear-gradient(135deg,#f59e0b,#ef4444 68%,#fde68a)}
.tone-sky.mega-browser-badge{background:linear-gradient(135deg,#38bdf8,#2563eb 68%,#bfdbfe)}
.tone-mint.mega-browser-badge{background:linear-gradient(135deg,#34d399,#22c55e 62%,#93c5fd)}
.tone-peach.mega-browser-badge{background:linear-gradient(135deg,#fb7185,#ef4444 64%,#f9a8d4)}
.tone-lilac.mega-browser-badge{background:linear-gradient(135deg,#8b5cf6,#6366f1 64%,#c4b5fd)}
.tone-teal.mega-browser-badge{background:linear-gradient(135deg,#14b8a6,#0ea5e9 64%,#99f6e4)}
.nav-links a:hover,.nav-links a.active{background:rgba(37,99,235,0.08);color:var(--blue);font-weight:600}
.nav-links a.nav-signin:hover,.nav-links a.nav-signin.active{background:linear-gradient(135deg,#1d4ed8,#f59e0b);color:#fff;transform:translateY(-1px);box-shadow:0 16px 30px rgba(37,99,235,0.24)}
[data-theme="dark"] .nav-links a:hover,[data-theme="dark"] .nav-links a.active{background:rgba(59,130,246,0.12);color:var(--blue-bright)}
[data-theme="dark"] .nav-links a.nav-signin{box-shadow:0 12px 28px rgba(2,6,23,0.4),inset 0 1px 0 rgba(255,255,255,0.12)}
[data-theme="dark"] .mega-menu-shell{background:linear-gradient(135deg,rgba(52,37,8,.96) 0%,rgba(10,24,52,.97) 55%,rgba(13,46,70,.96) 100%);border-color:rgba(125,211,252,.24);box-shadow:0 28px 74px rgba(2,6,23,.45),0 10px 28px rgba(125,211,252,.10)}
[data-theme="dark"] .mega-menu-shell::after{background:linear-gradient(135deg,rgba(52,37,8,.96) 0%,rgba(10,24,52,.97) 100%);border-top-color:rgba(125,211,252,.24);border-left-color:rgba(245,158,11,.24)}
[data-theme="dark"] .mega-browser-col-track,[data-theme="dark"] .mega-browser-col-family,[data-theme="dark"] .mega-detail-head{border-color:rgba(148,163,184,.12)}
[data-theme="dark"] .mega-menu-label,[data-theme="dark"] .mega-browser-copy span{color:rgba(226,232,240,.72)}
[data-theme="dark"] .mega-browser-card{background:rgba(255,255,255,.04);border-color:rgba(96,165,250,.08)}
[data-theme="dark"] .mega-browser-card.is-active{background:linear-gradient(135deg,rgba(30,64,175,.44),rgba(14,116,144,.34));border-color:rgba(125,211,252,.28)}
[data-theme="dark"] .mega-browser-copy strong,[data-theme="dark"] .mega-detail-head h3,[data-theme="dark"] .mega-topic-column h4{color:#fff}
[data-theme="dark"] .mega-detail-head p{color:rgba(226,232,240,.82)}
[data-theme="dark"] .mega-topic-column a{color:rgba(226,232,240,.82)}
[data-theme="dark"] .mega-topic-column a:hover{background:linear-gradient(135deg,rgba(255,255,255,.06),rgba(245,158,11,.09));color:#fff}
.nav-actions{display:flex;align-items:center;gap:12px;flex-shrink:0}
.theme-btn{width:40px;height:40px;border-radius:10px;background:var(--bg-alt);color:var(--text-mid);display:flex;align-items:center;justify-content:center;font-size:16px;transition:var(--transition);flex-shrink:0}
.theme-btn:hover{background:rgba(37,99,235,0.1);color:var(--blue)}
.nav-cta{padding:10px 20px;background:linear-gradient(135deg,var(--blue),var(--purple));color:#fff!important;border-radius:10px;font-size:.875rem;font-weight:600;transition:var(--transition);white-space:nowrap;display:flex;align-items:center;gap:6px;box-shadow:0 4px 14px rgba(37,99,235,0.3)}
.nav-cta:hover{transform:translateY(-1px);box-shadow:0 8px 24px rgba(37,99,235,0.4)}
.nav-cta svg{width:15px;height:15px;flex-shrink:0}
.hamburger{display:none;flex-direction:column;gap:5px;width:40px;height:40px;border-radius:10px;background:var(--bg-alt);align-items:center;justify-content:center;flex-shrink:0;border:1px solid var(--border)}
.hamburger span{display:block;width:20px;height:2px;background:var(--text);border-radius:2px;transition:var(--transition)}
.hamburger.active span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.hamburger.active span:nth-child(2){opacity:0}
.hamburger.active span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}
.mobile-nav{position:fixed;top:var(--nav-h);right:0;bottom:0;width:100%;max-width:340px;background:var(--bg);z-index:999;padding:24px 20px 120px;display:flex;flex-direction:column;gap:4px;overflow-y:auto;transform:translateX(100%);transition:transform .38s cubic-bezier(.4,0,.2,1),box-shadow .38s ease;pointer-events:none;visibility:hidden}
.mobile-nav.open{transform:translateX(0);box-shadow:-8px 0 40px rgba(0,0,0,0.2);pointer-events:auto;visibility:visible}
.mobile-nav a{display:flex;align-items:center;gap:12px;padding:14px 18px;border-radius:var(--r-sm);font-size:1rem;font-weight:500;color:var(--text);border-bottom:1px solid var(--border);transition:var(--transition)}
.mobile-nav a:hover{background:rgba(37,99,235,0.06);color:var(--blue)}
.mobile-nav a svg{width:18px;height:18px;flex-shrink:0;color:var(--text-light)}
.mobile-nav a:hover svg{color:var(--blue)}
.mobile-nav .mobile-signin{margin-top:16px;background:linear-gradient(135deg,var(--blue),var(--gold));color:#fff;justify-content:center;border-radius:var(--r-md);font-weight:700;border-bottom:none;box-shadow:0 12px 26px rgba(37,99,235,0.18)}
.mobile-nav .mobile-signin svg,.mobile-nav .mobile-signin:hover svg{color:#fff}
.mobile-nav .mobile-signin:hover{background:linear-gradient(135deg,#1d4ed8,#f59e0b);color:#fff;transform:translateY(-1px);box-shadow:0 16px 30px rgba(37,99,235,0.24)}
.mobile-nav .mobile-cta{margin-top:16px;background:linear-gradient(135deg,var(--blue),var(--purple));color:#fff;justify-content:center;border-radius:var(--r-md);font-weight:600;border-bottom:none}
.mobile-nav .mobile-wa{background:var(--whatsapp);color:#fff;justify-content:center;border-radius:var(--r-md);font-weight:600;border-bottom:none;margin-top:8px}
.nav-backdrop{display:block;position:fixed;inset:0;z-index:998;background:rgba(0,0,0,0.4);backdrop-filter:blur(2px);opacity:0;visibility:hidden;transition:opacity .35s ease,visibility .35s ease;pointer-events:none}
.nav-backdrop.open{opacity:1;visibility:visible;pointer-events:auto}

/* ════════════════════════════════════════
   HERO — Math Universe
   ════════════════════════════════════════ */
.hero{
  min-height:100svh;
  position:relative;
  display:flex;
  align-items:center;
  padding:90px 24px 80px;
  overflow:hidden;
  background:#050e2b;
}

/* Dot/grid canvas layer */
.hero-canvas{position:absolute;inset:0;z-index:0;overflow:hidden;pointer-events:none}
.hero-canvas svg{position:absolute;inset:0;width:100%;height:100%}

/* Orbs */
.hero-orbs{position:absolute;inset:0;z-index:1;pointer-events:none;overflow:hidden}
.orb{position:absolute;border-radius:50%;filter:blur(90px);animation:orbFloat 14s ease-in-out infinite alternate}
.orb-1{width:min(680px,90vw);height:min(680px,90vw);background:radial-gradient(circle,rgba(37,99,235,0.28),transparent 70%);top:-20%;right:-15%;animation-duration:16s}
.orb-2{width:min(480px,70vw);height:min(480px,70vw);background:radial-gradient(circle,rgba(124,58,237,0.22),transparent 70%);bottom:-15%;left:-10%;animation-delay:-8s;animation-duration:20s}
.orb-3{width:min(380px,60vw);height:min(380px,60vw);background:radial-gradient(circle,rgba(16,185,129,0.16),transparent 70%);top:25%;left:28%;animation-delay:-5s;animation-duration:11s}
@keyframes orbFloat{0%{transform:translate(0,0) scale(1)}100%{transform:translate(28px,18px) scale(1.06)}}

/* Floating equations */
.math-floats{position:absolute;inset:0;z-index:2;pointer-events:none;overflow:hidden}
.mf{position:absolute;font-family:'Playfair Display',serif;color:rgba(255,255,255,0.055);font-style:italic;animation:mathRise linear infinite}
@keyframes mathRise{0%{transform:translateY(110vh) rotate(-8deg);opacity:0}8%{opacity:1}92%{opacity:1}100%{transform:translateY(-15vh) rotate(8deg);opacity:0}}

.hero-wave{position:absolute;bottom:-2px;left:0;right:0;height:90px;background:var(--bg);clip-path:ellipse(55% 100% at 50% 100%);z-index:5;pointer-events:none}
[data-theme="dark"] .hero-wave{background:var(--bg)}

.hero-inner{max-width:1240px;margin:0 auto;display:grid;grid-template-columns:1fr 1fr;align-items:center;gap:60px;position:relative;z-index:4;width:100%}
.hero-tag{display:inline-flex;align-items:center;gap:8px;padding:8px 16px;background:rgba(245,158,11,0.14);border:1px solid rgba(245,158,11,0.32);border-radius:100px;color:var(--gold-light);font-size:.78rem;font-weight:600;letter-spacing:.06em;text-transform:uppercase;margin-bottom:20px}
.hero-tag .dot{width:7px;height:7px;background:var(--gold);border-radius:50%;animation:pulse 2s infinite;flex-shrink:0}
@keyframes pulse{0%,100%{opacity:1;transform:scale(1)}50%{opacity:.4;transform:scale(1.5)}}
.hero h1{font-family:var(--font-display);font-size:clamp(2.3rem,5.5vw,4.2rem);font-weight:900;line-height:1.07;color:#fff;margin-bottom:20px;text-shadow:0 2px 30px rgba(0,0,0,0.4)}
.hero h1 em{font-style:normal;background:linear-gradient(135deg,var(--gold-bright),var(--gold-light));-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}
.hero p{font-size:1rem;line-height:1.75;color:rgba(255,255,255,0.78);margin-bottom:32px;max-width:460px}
.hero-btns{display:flex;gap:12px;flex-wrap:wrap}
.hero-stats{display:grid;grid-template-columns:repeat(3,1fr);gap:12px;margin-top:44px}
.hero-stat{background:rgba(255,255,255,0.06);border:1px solid rgba(255,255,255,0.10);border-radius:var(--r-sm);padding:18px 12px;text-align:center;transition:var(--transition);backdrop-filter:blur(8px)}
.hero-stat:hover{background:rgba(255,255,255,0.10);transform:translateY(-3px);border-color:rgba(245,158,11,0.3)}
.hero-stat-num{font-family:var(--font-display);font-size:1.8rem;font-weight:700;color:var(--gold-bright);line-height:1}
.hero-stat-label{font-size:.7rem;color:rgba(255,255,255,0.5);margin-top:4px;letter-spacing:.04em}

/* Right panel — animated math visual */
.hero-visual{display:flex;justify-content:center;align-items:center;position:relative}
.hero-math-visual{width:clamp(280px,38vw,460px);height:clamp(280px,38vw,460px);position:relative;flex-shrink:0}
.hero-math-visual svg{width:100%;height:100%}
.hero-badge{position:absolute;top:8%;right:-4%;background:var(--gold);color:var(--navy);font-weight:700;font-size:.75rem;padding:9px 16px;border-radius:100px;box-shadow:0 6px 20px rgba(245,158,11,0.5);animation:bdgFloat 4s ease-in-out infinite;white-space:nowrap;z-index:5}
.hero-badge-2{position:absolute;bottom:16%;left:-8%;background:rgba(16,185,129,0.92);color:#fff;font-weight:700;font-size:.75rem;padding:9px 16px;border-radius:100px;box-shadow:0 6px 20px rgba(16,185,129,0.35);animation:bdgFloat 4.5s ease-in-out infinite .8s;white-space:nowrap;z-index:5}
.hero-badge-3{position:absolute;top:47%;right:-12%;background:rgba(124,58,237,0.92);color:#fff;font-weight:700;font-size:.7rem;padding:8px 14px;border-radius:100px;box-shadow:0 6px 20px rgba(124,58,237,0.35);animation:bdgFloat 5s ease-in-out infinite 1.4s;white-space:nowrap;z-index:5}
@keyframes bdgFloat{0%,100%{transform:translateY(0)}50%{transform:translateY(-8px)}}

/* ─── PAGE HERO ─── */
.page-hero{position:relative;padding:120px 24px 80px;overflow:hidden;background:#050e2b}
.page-hero-bg{position:absolute;inset:0;overflow:hidden;pointer-events:none}
.page-hero-bg svg{position:absolute;inset:0;width:100%;height:100%}
.page-hero::after{content:'';position:absolute;bottom:-2px;left:0;right:0;height:60px;background:var(--bg);clip-path:ellipse(55% 100% at 50% 100%);z-index:2}
[data-theme="dark"] .page-hero::after{background:var(--bg)}
.page-hero-content{position:relative;z-index:3;max-width:700px}
.page-hero-title{font-family:var(--font-display);font-size:clamp(2rem,5vw,3.5rem);font-weight:900;color:#fff;line-height:1.1;margin:12px 0 16px;text-shadow:0 2px 20px rgba(0,0,0,0.3)}
.page-hero-sub{font-size:1.05rem;color:rgba(255,255,255,0.75);line-height:1.7;max-width:560px}
.breadcrumb{display:flex;gap:8px;align-items:center;margin-top:20px;font-size:.8rem;color:rgba(255,255,255,0.4)}
.breadcrumb a{color:rgba(255,255,255,0.6);transition:var(--transition)}
.breadcrumb a:hover{color:var(--gold-light)}
.breadcrumb span{color:rgba(255,255,255,0.3)}
.page-hero-content .section-label{color:var(--gold-light)}
.page-hero-content .section-label::before{background:var(--gold-light)}

/* ─── FEATURES STRIP ─── */
.features-strip{background:linear-gradient(135deg,var(--navy) 0%,var(--navy-mid) 100%);padding:22px 24px;overflow:hidden;position:relative}
[data-theme="dark"] .features-strip{background:linear-gradient(135deg,#040b1e,#080f28);border-top:1px solid rgba(59,130,246,0.08);border-bottom:1px solid rgba(59,130,246,0.08)}
.features-strip-inner{max-width:1240px;margin:0 auto;display:flex;gap:36px;overflow-x:auto;scrollbar-width:none;-ms-overflow-style:none}
.features-strip-inner::-webkit-scrollbar{display:none}
.feature-chip{display:flex;align-items:center;gap:10px;flex-shrink:0;color:rgba(255,255,255,0.85);font-size:.875rem;font-weight:500}
.feature-chip-icon{width:36px;height:36px;background:rgba(59,130,246,0.2);border:1px solid rgba(59,130,246,0.25);border-radius:10px;display:flex;align-items:center;justify-content:center;flex-shrink:0}
.feature-chip-icon svg{width:16px;height:16px;color:var(--blue-light)}
.feature-divider{width:1px;height:36px;background:rgba(255,255,255,0.08);flex-shrink:0}

/* ─── SUBJECT MARQUEE ─── */
.subject-marquee{background:linear-gradient(135deg,var(--navy-bright),var(--navy-mid));overflow:hidden;padding:14px 0;width:100%}
[data-theme="dark"] .subject-marquee{background:linear-gradient(135deg,#0a1535,#060d20)}
.marquee-track{display:flex;animation:marqueeScroll 32s linear infinite;width:max-content}
.marquee-item{display:inline-flex;align-items:center;gap:8px;padding:0 28px;font-family:var(--font-mono);font-size:.78rem;color:rgba(255,255,255,0.65);white-space:nowrap;border-right:1px solid rgba(255,255,255,0.08)}
.marquee-item .m-dot{width:6px;height:6px;border-radius:50%;background:var(--gold);flex-shrink:0}
@keyframes marqueeScroll{from{transform:translateX(0)}to{transform:translateX(-50%)}}

/* ─── LAYOUT ─── */
.section{padding:76px 24px}
.section-alt{background:var(--bg-alt)}
.container{max-width:1240px;margin:0 auto}
.text-center{text-align:center}
.text-center .section-label{justify-content:center}
.text-center .section-label::before{display:none}
.text-center .section-subtitle{margin:0 auto}
.two-col{display:grid;grid-template-columns:1fr 1fr;gap:64px;align-items:center}
.section-label{display:inline-flex;align-items:center;gap:8px;font-size:.73rem;font-weight:700;letter-spacing:.1em;text-transform:uppercase;color:var(--blue);margin-bottom:12px}
.section-label::before{content:'';width:20px;height:2px;background:var(--blue);border-radius:2px}
.section-label svg{width:14px;height:14px}
[data-theme="dark"] .section-label{color:var(--blue-bright)}
[data-theme="dark"] .section-label::before{background:var(--blue-bright)}
.section-title{font-family:var(--font-display);font-size:clamp(1.75rem,3.5vw,2.9rem);font-weight:800;line-height:1.15;color:var(--text);margin-bottom:14px}
.section-title em{font-style:normal;color:var(--blue)}
[data-theme="dark"] .section-title em{color:var(--blue-bright)}
.section-subtitle{font-size:1rem;line-height:1.7;color:var(--text-mid);max-width:540px}
.small-text{font-size:.85rem;color:var(--text-mid);line-height:1.6;margin-top:4px}

/* ─── BUTTONS ─── */
.btn-primary,.btn-outline,.btn-blue,.btn-outline-blue,.btn-white,.btn-ghost-white,.btn-wa{display:inline-flex;align-items:center;gap:8px;padding:13px 26px;border-radius:var(--r-sm);font-weight:600;font-size:.93rem;transition:var(--transition)}
.btn-primary svg,.btn-outline svg,.btn-blue svg,.btn-outline-blue svg,.btn-white svg,.btn-ghost-white svg,.btn-wa svg{width:16px;height:16px;flex-shrink:0}
.btn-primary{background:linear-gradient(135deg,var(--gold),var(--gold-bright));color:var(--navy);font-weight:700;box-shadow:0 4px 16px rgba(245,158,11,0.3)}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 8px 28px rgba(245,158,11,0.4)}
.btn-outline{border:2px solid rgba(255,255,255,0.28);color:#fff}
.btn-outline:hover{background:rgba(255,255,255,0.08);border-color:rgba(255,255,255,0.5)}
.btn-blue{background:linear-gradient(135deg,var(--blue),var(--blue-bright));color:#fff;box-shadow:0 4px 16px rgba(37,99,235,0.25)}
.btn-blue:hover{transform:translateY(-2px);box-shadow:0 8px 28px rgba(37,99,235,0.35)}
.btn-outline-blue{border:2px solid var(--blue);color:var(--blue)}
.btn-outline-blue:hover{background:var(--blue);color:#fff}
[data-theme="dark"] .btn-outline-blue{border-color:var(--blue-bright);color:var(--blue-bright)}
[data-theme="dark"] .btn-outline-blue:hover{background:var(--blue-bright);color:#fff}
.btn-white{background:#fff;color:var(--navy);font-weight:700;box-shadow:0 4px 14px rgba(0,0,0,0.1)}
.btn-white:hover{background:var(--gold-light);transform:translateY(-2px)}
.btn-ghost-white{border:2px solid rgba(255,255,255,0.28);color:#fff}
.btn-ghost-white:hover{background:rgba(255,255,255,0.08)}
.btn-wa{background:var(--whatsapp);color:#fff}
.btn-wa:hover{transform:translateY(-2px);box-shadow:0 8px 24px rgba(37,211,102,0.3)}

/* ─── CARDS ─── */
.card{background:var(--card-bg);border-radius:var(--r-md);padding:28px 24px;border:1px solid var(--border);box-shadow:var(--shadow-soft);transition:var(--transition)}
.card:hover{transform:translateY(-4px);box-shadow:var(--shadow-card)}
[data-theme="dark"] .card{background:#0f1c3a;border-color:rgba(59,130,246,0.10)}
[data-theme="dark"] .card:hover{box-shadow:0 8px 36px rgba(59,130,246,0.12)}
.card-icon{margin-bottom:14px;width:52px;height:52px;border-radius:14px;display:flex;align-items:center;justify-content:center}
.card-icon svg{width:24px;height:24px}
.card-icon.ci-blue{background:rgba(37,99,235,0.09);color:var(--blue)}
.card-icon.ci-purple{background:rgba(124,58,237,0.09);color:var(--purple)}
.card-icon.ci-pink{background:rgba(236,72,153,0.09);color:var(--pink)}
.card-icon.ci-green{background:rgba(16,185,129,0.09);color:var(--emerald)}
.card-icon.ci-orange{background:rgba(249,115,22,0.09);color:var(--orange)}
.card-icon.ci-red{background:rgba(239,68,68,0.09);color:var(--red)}
.card h3{font-family:var(--font-display);font-size:1.15rem;font-weight:700;margin-bottom:10px}
.card p{font-size:.9rem;color:var(--text-mid);line-height:1.7}
.pillar-row{display:flex;gap:14px;align-items:flex-start}
.pillar-icon{width:42px;height:42px;border-radius:11px;background:rgba(37,99,235,0.08);display:flex;align-items:center;justify-content:center;flex-shrink:0}
.pillar-icon svg{width:20px;height:20px;color:var(--blue)}
[data-theme="dark"] .pillar-icon{background:rgba(59,130,246,0.12)}

/* ─── GRIDS ─── */
.grid-2{display:grid;grid-template-columns:1fr;gap:20px}
.grid-3{display:grid;grid-template-columns:1fr;gap:20px}
.grid-4{display:grid;grid-template-columns:repeat(2,1fr);gap:16px}
@media(min-width:640px){.grid-2{grid-template-columns:repeat(2,1fr)}.grid-3{grid-template-columns:repeat(2,1fr)}}
@media(min-width:1024px){.grid-3{grid-template-columns:repeat(3,1fr)}}
@media(min-width:768px){.grid-4{grid-template-columns:repeat(4,1fr)}}

/* ─── TESTIMONIALS ─── */
.testimonial-card{padding:26px}
.stars{color:var(--gold);font-size:.9rem;margin-bottom:14px;letter-spacing:2px}
.testimonial-text{font-size:.92rem;line-height:1.75;color:var(--text-mid);margin-bottom:18px;font-style:italic}
.testimonial-author{display:flex;align-items:center;gap:12px}
.testimonial-avatar{width:44px;height:44px;border-radius:50%;background:linear-gradient(135deg,var(--blue),var(--navy-bright));display:flex;align-items:center;justify-content:center;color:#fff;font-weight:700;font-size:1rem;flex-shrink:0}
.testimonial-name{font-weight:700;font-size:.88rem}
.testimonial-role{font-size:.75rem;color:var(--text-light)}

/* ─── COURSE CARDS ─── */
.course-switch-wrap{display:flex;justify-content:center;margin-top:32px}
.course-switch{display:inline-flex;align-items:center;gap:6px;padding:6px;border:1px solid rgba(37,99,235,0.14);border-radius:999px;background:rgba(255,255,255,0.88);box-shadow:0 16px 40px rgba(15,23,42,0.08);backdrop-filter:blur(10px)}
.course-switch-btn{border:0;background:transparent;color:var(--text-mid);padding:11px 20px;border-radius:999px;font-weight:700;font-size:.92rem;cursor:pointer;transition:var(--transition)}
.course-switch-btn:hover{color:var(--text-dark)}
.course-switch-btn.active{background:linear-gradient(135deg,var(--blue),var(--azure));color:#fff;box-shadow:0 12px 28px rgba(37,99,235,0.24)}
.homepage-course-grid [hidden]{display:none!important}
.course-card{padding:0;overflow:hidden;position:relative;display:flex;flex-direction:column;height:100%;border:1px solid rgba(37,99,235,0.08);background:linear-gradient(180deg,rgba(255,255,255,.98),rgba(249,251,255,.98));transition:transform .42s ease, box-shadow .42s ease, border-color .42s ease}
.course-card::before{content:"";position:absolute;left:0;top:0;width:100%;height:4px;background:linear-gradient(90deg,rgba(37,99,235,.16),rgba(37,99,235,0));opacity:.9;transition:opacity .35s ease, transform .35s ease}
.course-card::after{content:"";position:absolute;inset:0;border-radius:inherit;pointer-events:none;box-shadow:inset 0 1px 0 rgba(255,255,255,.72), inset 0 0 0 1px rgba(255,255,255,.28);opacity:.95;transition:opacity .35s ease}
.course-card:hover{transform:translateY(-10px);box-shadow:0 28px 56px rgba(15,23,42,0.14),0 10px 24px rgba(148,163,184,0.12);border-color:rgba(37,99,235,0.16)}
.course-card:hover::before{transform:scaleX(1.02);opacity:1}
.course-card:hover::after{opacity:1}
.course-card-header{padding:24px 24px 0}
.course-tag{display:inline-block;padding:4px 12px;background:rgba(37,99,235,0.08);color:var(--blue);border-radius:100px;font-size:.72rem;font-weight:700;letter-spacing:.05em;text-transform:uppercase;margin-bottom:4px}
.course-tag.hot{background:rgba(245,158,11,0.12);color:var(--gold)}
.course-card-subtitle{font-size:.82rem;line-height:1.5;color:var(--blue);font-weight:700;margin:8px 0 0}
.course-card-body{padding:0 24px 24px;display:flex;flex-direction:column;flex:1}
.course-features{margin:14px 0;display:flex;flex-direction:column;gap:8px}
.course-features li{display:flex;align-items:center;gap:8px;font-size:.88rem;color:var(--text-mid)}
.chk{width:20px;height:20px;border-radius:6px;background:rgba(16,185,129,0.10);display:inline-flex;align-items:center;justify-content:center;flex-shrink:0}
.chk svg{width:11px;height:11px;color:var(--emerald)}
.course-outcome{margin-top:2px;padding:11px 13px;border-radius:12px;background:rgba(37,99,235,0.06);color:var(--navy);font-size:.82rem;font-weight:700;line-height:1.5}
.course-card .btn-blue,.course-card .btn-outline-blue{margin-top:auto!important}
.course-card-featured{background:
radial-gradient(circle at top right, rgba(245,158,11,.16), transparent 38%),
linear-gradient(180deg,rgba(255,251,241,.98),rgba(255,255,255,.98) 42%,rgba(249,251,255,.98));border-color:rgba(245,158,11,0.24)}
.course-card-featured::before{height:5px;background:linear-gradient(90deg,rgba(245,158,11,.95),rgba(250,204,21,.55),rgba(245,158,11,0))}
.course-card-featured .course-tag{background:rgba(245,158,11,0.12);color:#b45309}
.course-card-featured .course-card-subtitle{color:#9a6700}
.course-card-featured .course-outcome{background:rgba(245,158,11,0.08);color:#7c5600}
.course-card-featured:hover{box-shadow:0 30px 62px rgba(146,64,14,0.16),0 14px 30px rgba(245,158,11,0.14);border-color:rgba(245,158,11,0.32)}
.course-trust{margin-top:36px;padding:26px 28px;border-radius:24px;background:rgba(255,255,255,0.76);border:1px solid rgba(37,99,235,0.08);box-shadow:0 18px 40px rgba(15,23,42,0.06)}
.course-trust-title{font-family:var(--font-display);font-size:1.15rem;font-weight:800;color:var(--navy);text-align:center;margin-bottom:18px}
.course-trust-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:12px}
.course-trust-item{padding:14px 16px;border-radius:16px;background:linear-gradient(180deg,rgba(255,255,255,.95),rgba(245,248,255,.95));border:1px solid rgba(37,99,235,0.08);text-align:center;font-size:.88rem;font-weight:700;color:var(--text-dark)}
[data-theme="dark"] .course-tag{background:rgba(59,130,246,0.12);color:var(--blue-bright)}
[data-theme="dark"] .course-card-subtitle{color:var(--blue-bright)}
[data-theme="dark"] .course-outcome{background:rgba(59,130,246,0.12);color:#e6eefc}
[data-theme="dark"] .course-card{background:linear-gradient(180deg,rgba(12,22,48,.96),rgba(9,18,40,.96));border-color:rgba(96,165,250,0.12)}
[data-theme="dark"] .course-card::after{box-shadow:inset 0 1px 0 rgba(255,255,255,.05), inset 0 0 0 1px rgba(148,163,184,.03)}
[data-theme="dark"] .course-card-featured{background:
radial-gradient(circle at top right, rgba(245,158,11,.13), transparent 40%),
linear-gradient(180deg,rgba(37,26,10,.98),rgba(15,22,43,.98) 40%,rgba(9,18,40,.98));border-color:rgba(245,158,11,0.22)}
[data-theme="dark"] .course-card-featured .course-tag{background:rgba(245,158,11,0.16);color:#f7c65f}
[data-theme="dark"] .course-card-featured .course-card-subtitle{color:#f7c65f}
[data-theme="dark"] .course-card-featured .course-outcome{background:rgba(245,158,11,0.12);color:#fde7b0}
[data-theme="dark"] .course-trust{background:rgba(10,20,48,0.72);border-color:rgba(96,165,250,0.12)}
[data-theme="dark"] .course-trust-title{color:#fff}
[data-theme="dark"] .course-trust-item{background:rgba(255,255,255,0.04);border-color:rgba(96,165,250,0.1);color:#edf4ff}
[data-theme="dark"] .course-switch{background:rgba(10,20,48,0.82);border-color:rgba(96,165,250,0.18)}
[data-theme="dark"] .course-switch-btn:hover{color:#fff}
[data-theme="dark"] .course-card:hover{box-shadow:0 28px 56px rgba(2,6,23,0.5),0 10px 24px rgba(15,23,42,0.35);border-color:rgba(96,165,250,0.18)}

/* ─── PRICING SECTION ─── */
.pricing-switch-wrap{display:flex;justify-content:center;margin-top:32px}
.pricing-switch{position:relative;display:grid;grid-template-columns:repeat(2,minmax(0,1fr));align-items:center;width:min(100%,540px);padding:6px;border-radius:999px;border:1px solid rgba(37,99,235,0.12);background:rgba(255,255,255,0.88);box-shadow:0 18px 46px rgba(15,23,42,0.08);backdrop-filter:blur(12px);overflow:hidden}
.pricing-switch-indicator{position:absolute;top:6px;left:6px;width:calc(50% - 6px);height:calc(100% - 12px);border-radius:999px;background:linear-gradient(135deg,var(--purple),#8b5cf6 55%,#a855f7);box-shadow:0 14px 30px rgba(107,75,199,0.28);transition:transform .42s cubic-bezier(.22,1,.36,1),width .42s cubic-bezier(.22,1,.36,1)}
.pricing-switch-btn{position:relative;z-index:1;border:0;background:transparent;color:var(--text-mid);padding:13px 18px;border-radius:999px;font-weight:700;font-size:.92rem;transition:color .28s ease,transform .28s ease}
.pricing-switch-btn:hover{color:var(--text)}
.pricing-switch-btn.active{color:#fff}
.pricing-grid[hidden]{display:none!important}
.pricing-card{padding:0;overflow:hidden;position:relative;display:flex;flex-direction:column;height:100%;border:1px solid rgba(69,121,199,0.08);border-radius:26px;background:linear-gradient(180deg,#fff,#f9fbff);box-shadow:0 12px 34px rgba(15,23,42,0.06),0 2px 10px rgba(148,163,184,0.08);transition:transform .34s ease,box-shadow .34s ease,border-color .34s ease}
.pricing-card::before{content:"";position:absolute;inset:0;border-radius:inherit;pointer-events:none;box-shadow:inset 0 1px 0 rgba(255,255,255,.92),inset 0 0 0 1px rgba(255,255,255,.26)}
.pricing-card:hover{transform:translateY(-8px);box-shadow:0 22px 52px rgba(15,23,42,0.1),0 8px 20px rgba(59,130,246,0.08);border-color:rgba(69,121,199,0.14)}
.pricing-card-body{display:flex;flex-direction:column;flex:1;padding:24px}
.pricing-card-head{display:flex;flex-direction:column;gap:12px}
.pricing-pill-row{display:flex;align-items:center;justify-content:space-between;gap:10px;flex-wrap:wrap}
.pricing-kicker{display:inline-flex;align-self:flex-start;padding:6px 12px;border-radius:999px;background:#edf3ff;color:#356be8;font-size:.72rem;font-weight:800;letter-spacing:.04em;text-transform:uppercase}
.pricing-kicker-warm{background:#fff0dd;color:#d46d08}
.pricing-card h3{font-family:var(--font-display);font-size:clamp(1.2rem,1.5vw,1.55rem);font-weight:800;line-height:1.18;letter-spacing:-.02em;color:var(--text);margin:0}
.pricing-card-subtitle{font-size:.82rem;font-weight:800;color:#46638f;line-height:1.55}
.pricing-card-description{font-size:.82rem;line-height:1.7;color:var(--text-mid);max-width:34ch}
.pricing-price-row{display:flex;align-items:flex-end;gap:10px;margin:24px 0 16px;padding-bottom:18px;border-bottom:1px solid rgba(148,163,184,0.14)}
.pricing-price-row-discounted{align-items:flex-start}
.pricing-price{display:flex;align-items:flex-start;gap:4px;font-family:var(--font-display);font-size:3.7rem;font-weight:900;line-height:.9;letter-spacing:-.05em;color:#5b2cc6}
.pricing-currency{font-size:1.75rem;line-height:1;padding-top:7px}
.pricing-price-note{font-size:.95rem;font-weight:700;color:var(--text);padding-bottom:7px}
.pricing-discount-wrap{display:flex;flex-direction:column;align-items:flex-start;gap:12px;width:100%}
.pricing-price-line{display:flex;align-items:flex-end;gap:13px;flex-wrap:wrap}
.pricing-original-price{width:max-content;position:relative;display:inline-flex;align-items:flex-start;gap:3px;font-family:var(--font-display);font-size:3.45rem;font-weight:900;line-height:.9;color:#5b2cc6;letter-spacing:-.05em}
.pricing-original-price::after{content:"";position:absolute;left:-5px;right:-5px;top:52%;height:3px;background:#5b2cc6;transform:rotate(-8deg);border-radius:999px}
.pricing-original-price span{font-size:.47em;line-height:1;padding-top:5px}
.pricing-price-discounted{color:#0f766e}
.pricing-offer-note{display:inline-flex;align-items:center;width:max-content;max-width:100%;padding:7px 10px;border-radius:999px;background:#dffcf2;border:1px solid rgba(15,118,110,.16);font-size:.72rem;font-weight:900;letter-spacing:.04em;text-transform:uppercase;color:#0f766e;box-shadow:0 8px 20px rgba(15,118,110,.08)}
.pricing-local-price{display:inline;font-weight:800;color:#315579}
.pricing-conversion-note{margin:5px 0 0;color:#71849d;font-size:.65rem;line-height:1.4}
.pricing-conversion-note a{color:#386dba}
.pricing-features{display:flex;flex-direction:column;gap:0;margin:0 0 20px}
.pricing-features li{display:flex;align-items:center;gap:10px;padding:7px 0;border-bottom:0;font-size:.82rem;color:#43618d}
.pricing-card-cta{width:100%;justify-content:center;margin-top:auto}
.pricing-card-featured{background:radial-gradient(circle at top right,rgba(251,191,36,.18),transparent 34%),linear-gradient(180deg,#fffdfa,#fff 40%,#fafcff);border-color:rgba(245,176,65,0.42)}
.pricing-card-featured:hover{box-shadow:0 24px 56px rgba(180,111,20,0.12),0 10px 24px rgba(245,158,11,0.12);border-color:rgba(230,154,30,0.56)}
.pricing-badge{display:inline-flex;align-self:flex-start;padding:6px 12px;border-radius:999px;background:#fff0dd;color:#d46d08;font-size:.72rem;font-weight:800;letter-spacing:.05em}
.pricing-contact{margin-top:34px;display:grid;grid-template-columns:minmax(0,1.15fr) minmax(0,1fr) auto;gap:24px;align-items:center;padding:28px 30px;border-radius:32px;background:linear-gradient(135deg,rgba(255,255,255,.96),rgba(247,249,255,.98));border:1px solid rgba(37,99,235,0.08);box-shadow:0 18px 44px rgba(15,23,42,0.08);position:relative;overflow:hidden}
.pricing-contact::before{content:"";position:absolute;inset:auto -8% -40% auto;width:240px;height:240px;border-radius:50%;background:radial-gradient(circle,rgba(168,85,247,.18),transparent 68%);pointer-events:none}
.pricing-contact-copy,.pricing-contact-features,.pricing-contact-cta{position:relative;z-index:1}
.pricing-contact-copy h3{font-family:var(--font-display);font-size:2rem;font-weight:800;line-height:1.05;letter-spacing:-.03em;color:var(--text);margin-bottom:10px}
.pricing-contact-copy p{font-size:1rem;line-height:1.7;color:var(--text-mid)}
.pricing-contact-features{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px 18px}
.pricing-contact-features li{display:flex;align-items:center;gap:10px;font-size:.9rem;color:var(--text-mid)}
.pricing-contact-cta{justify-self:end;white-space:nowrap}
[data-theme="dark"] .pricing-switch{background:rgba(10,20,48,0.84);border-color:rgba(96,165,250,0.16);box-shadow:0 18px 46px rgba(2,6,23,0.35)}
[data-theme="dark"] .pricing-switch-btn:hover{color:#fff}
[data-theme="dark"] .pricing-card{background:linear-gradient(180deg,rgba(12,22,48,.97),rgba(9,18,40,.97));border-color:rgba(96,165,250,0.12);box-shadow:0 20px 48px rgba(2,6,23,0.34)}
[data-theme="dark"] .pricing-card::before{box-shadow:inset 0 1px 0 rgba(255,255,255,.05),inset 0 0 0 1px rgba(148,163,184,.03)}
[data-theme="dark"] .pricing-pill-row{color:#fff}
[data-theme="dark"] .pricing-kicker{background:rgba(59,130,246,0.14);color:var(--blue-bright)}
[data-theme="dark"] .pricing-kicker-warm,[data-theme="dark"] .pricing-badge{background:rgba(245,158,11,.18);color:#f7c65f}
[data-theme="dark"] .pricing-card-subtitle{color:#c7d7f6}
[data-theme="dark"] .pricing-card-description,[data-theme="dark"] .pricing-features li,[data-theme="dark"] .pricing-contact-copy p,[data-theme="dark"] .pricing-contact-features li{color:#b5c8e6}
[data-theme="dark"] .pricing-price-row{border-color:rgba(148,163,184,0.14)}
[data-theme="dark"] .pricing-price{color:#c4b5fd}
[data-theme="dark"] .pricing-price-note,[data-theme="dark"] .pricing-card h3,[data-theme="dark"] .pricing-contact-copy h3{color:#fff}
[data-theme="dark"] .pricing-original-price{color:#aebbd0}
[data-theme="dark"] .pricing-offer-note{color:#5eead4}
[data-theme="dark"] .pricing-card-featured{background:radial-gradient(circle at top right,rgba(245,158,11,.18),transparent 36%),linear-gradient(180deg,rgba(36,25,10,.98),rgba(15,22,43,.98) 38%,rgba(9,18,40,.98));border-color:rgba(245,176,65,0.3)}
[data-theme="dark"] .pricing-contact{background:linear-gradient(135deg,rgba(10,20,48,.84),rgba(12,20,38,.96));border-color:rgba(96,165,250,0.12);box-shadow:0 18px 44px rgba(2,6,23,0.38)}

/* ─── CTA BLOCK ─── */
.cta-block{position:relative;overflow:hidden;background:#050e2b;border-radius:var(--r-lg);padding:72px 48px;text-align:center}
.cta-block-bg{position:absolute;inset:0;overflow:hidden;z-index:0;pointer-events:none}
.cta-block-bg svg{position:absolute;inset:0;width:100%;height:100%}
.cta-block>*:not(.cta-block-bg){position:relative;z-index:1}
.cta-block h2{font-family:var(--font-display);font-size:clamp(1.6rem,3.5vw,2.7rem);font-weight:900;color:#fff;margin-bottom:14px}
.cta-block h2 em{font-style:normal;background:linear-gradient(135deg,var(--gold-bright),var(--gold-light));-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}
.cta-block p{font-size:1rem;color:rgba(255,255,255,0.68);margin-bottom:32px;max-width:480px;margin-left:auto;margin-right:auto;line-height:1.7}
.cta-btns{display:flex;gap:12px;justify-content:center;flex-wrap:wrap}
.section-label.gold-label{color:var(--gold-light)!important}
.section-label.gold-label::before{background:var(--gold-light)!important}

/* ─── FAQ ─── */
.faq-list{display:flex;flex-direction:column;gap:10px}
.faq-item{background:var(--card-bg);border-radius:var(--r-sm);border:1px solid var(--border);overflow:hidden;cursor:pointer;transition:var(--transition);box-shadow:var(--shadow-soft)}
.faq-item:hover,.faq-item.open{border-color:var(--blue)}
[data-theme="dark"] .faq-item{background:#0f1c3a}
.faq-q{display:flex;align-items:center;justify-content:space-between;padding:20px 24px;gap:12px}
.faq-q span{font-weight:600;font-size:.95rem;color:var(--text)}
.faq-arrow{width:32px;height:32px;border-radius:8px;background:var(--bg-alt);display:flex;align-items:center;justify-content:center;flex-shrink:0;transition:var(--transition);color:var(--blue);font-weight:300;font-size:20px}
.faq-item.open .faq-arrow{background:var(--blue);color:#fff;transform:rotate(45deg)}
.faq-a{display:none;padding:0 24px 20px}
.faq-item.open .faq-a{display:block}
.faq-a p{font-size:.9rem;color:var(--text-mid);line-height:1.75}
[data-theme="dark"] .faq-arrow{background:rgba(59,130,246,0.10)}

/* ─── FORMS ─── */
.form-wrap{background:var(--card-bg);border-radius:var(--r-lg);padding:36px;border:1px solid var(--border);box-shadow:var(--shadow-card)}
[data-theme="dark"] .form-wrap{background:#0f1c3a;border-color:rgba(59,130,246,0.12)}
.contact-form{display:flex;flex-direction:column;gap:18px}
.form-row{display:grid;grid-template-columns:1fr 1fr;gap:18px}
.form-group{display:flex;flex-direction:column;gap:6px}
.form-group label{font-size:.8rem;font-weight:600;color:var(--text-mid);text-transform:uppercase;letter-spacing:.05em}
.form-group input,.form-group select,.form-group textarea{padding:13px 16px;border-radius:var(--r-sm);border:1.5px solid var(--border);background:var(--bg-alt);color:var(--text);font-family:var(--font-body);font-size:.93rem;transition:var(--transition);outline:none;width:100%}
[data-theme="dark"] .form-group input,[data-theme="dark"] .form-group select,[data-theme="dark"] .form-group textarea{border-color:rgba(59,130,246,0.15);background:rgba(59,130,246,0.04);color:var(--text)}
.form-group input:focus,.form-group select:focus,.form-group textarea:focus{border-color:var(--blue);background:var(--surface);box-shadow:0 0 0 3px rgba(37,99,235,0.09)}
.form-group textarea{resize:vertical;min-height:120px}
.form-submit{padding:14px 32px;background:linear-gradient(135deg,var(--blue),var(--purple));color:#fff;border-radius:var(--r-sm);font-size:1rem;font-weight:700;transition:var(--transition);display:inline-flex;align-items:center;gap:8px;box-shadow:0 4px 16px rgba(37,99,235,0.25)}
.form-submit svg{width:16px;height:16px;flex-shrink:0}
.form-submit:hover{transform:translateY(-2px);box-shadow:0 8px 28px rgba(37,99,235,0.35)}

/* ─── TIMELINE ─── */
.timeline{position:relative;padding-left:36px}
.timeline::before{content:'';position:absolute;left:8px;top:8px;bottom:8px;width:2px;background:linear-gradient(180deg,var(--blue),var(--purple),var(--bg-alt))}
.timeline-item{position:relative;padding-bottom:36px}
.timeline-item:last-child{padding-bottom:0}
.timeline-dot{position:absolute;left:-33px;top:6px;width:16px;height:16px;border-radius:50%;background:var(--blue);border:3px solid var(--bg);box-shadow:0 0 0 4px rgba(37,99,235,0.15)}
.timeline-year{font-family:var(--font-mono);font-size:.78rem;font-weight:500;color:var(--blue);margin-bottom:4px}
.timeline-title{font-weight:700;font-size:1.02rem;margin-bottom:4px}
.timeline-desc{color:var(--text-mid);font-size:.88rem;line-height:1.7}

/* ─── CALENDAR ─── */
.calendar-ui{background:var(--card-bg);border:1px solid var(--border);border-radius:var(--r-md);overflow:hidden;box-shadow:var(--shadow-soft)}
[data-theme="dark"] .calendar-ui{background:#0f1c3a}
.calendar-header{padding:20px 22px;display:flex;align-items:center;justify-content:space-between;border-bottom:1px solid var(--border)}
.calendar-header h3{font-weight:700;font-size:1rem}
.calendar-header h3 svg{display:none!important}
.cal-nav{display:flex;gap:6px}
.cal-nav button{width:34px;height:34px;border-radius:8px;background:var(--bg-alt);display:flex;align-items:center;justify-content:center;font-size:.85rem;transition:var(--transition);color:var(--text-mid)}
.cal-nav button:hover{background:rgba(37,99,235,0.08);color:var(--blue)}
.cal-grid-head{display:grid;grid-template-columns:repeat(7,1fr);padding:12px 16px 4px;font-size:.72rem;font-weight:700;color:var(--text-light);text-align:center;text-transform:uppercase;letter-spacing:.06em}
.cal-grid-body{display:grid;grid-template-columns:repeat(7,1fr);padding:4px 16px 16px;gap:4px}
.cal-day{aspect-ratio:1;display:flex;align-items:center;justify-content:center;border-radius:10px;font-size:.85rem;font-weight:500;cursor:pointer;transition:var(--transition)}
.cal-day:hover{background:rgba(37,99,235,0.07);color:var(--blue)}
.cal-day.today{background:var(--blue);color:#fff;font-weight:700;box-shadow:0 4px 14px rgba(37,99,235,0.3)}
.cal-day.muted{opacity:.22}
.cal-day.avail{position:relative}
.cal-day.avail::after{content:'';position:absolute;bottom:3px;width:5px;height:5px;border-radius:50%;background:var(--emerald)}
.time-slots{display:grid;grid-template-columns:repeat(2,1fr);gap:8px;margin-top:16px}
@media(min-width:480px){.time-slots{grid-template-columns:repeat(3,1fr)}}
.time-slot{padding:12px;text-align:center;border:1.5px solid var(--border);border-radius:var(--r-sm);font-size:.85rem;font-weight:600;cursor:pointer;transition:var(--transition);background:var(--card-bg)}
.time-slot:hover,.time-slot.selected{border-color:var(--blue);background:rgba(37,99,235,0.06);color:var(--blue)}
[data-theme="dark"] .time-slot{background:#0f1c3a}
[data-theme="dark"] .time-slot:hover,[data-theme="dark"] .time-slot.selected{border-color:var(--blue-bright);color:var(--blue-bright);background:rgba(59,130,246,0.10)}

/* ─── CONTACT INFO ─── */
.contact-info-card{background:var(--card-bg);border-radius:var(--r-md);padding:24px;border:1px solid var(--border);box-shadow:var(--shadow-soft)}
[data-theme="dark"] .contact-info-card{background:#0f1c3a}
.contact-info-card h3{font-family:var(--font-display);font-size:1.1rem;font-weight:700;margin-bottom:14px;padding-bottom:12px;border-bottom:1px solid var(--border)}
.cii{display:flex;gap:12px;align-items:flex-start;margin-bottom:14px}
.cii:last-child{margin-bottom:0}
.cii-icon{width:38px;height:38px;background:rgba(37,99,235,0.08);border-radius:10px;display:flex;align-items:center;justify-content:center;flex-shrink:0}
[data-theme="dark"] .cii-icon{background:rgba(59,130,246,0.12)}
.cii-icon svg{width:18px;height:18px;color:var(--blue)}
.cii strong{display:block;font-size:.78rem;text-transform:uppercase;letter-spacing:.05em;color:var(--text-light);margin-bottom:2px}
.cii p,.cii a{font-size:.9rem;color:var(--text);line-height:1.5}
.cii a{color:var(--blue);font-weight:500}
.contact-socials{display:flex;flex-wrap:wrap;gap:10px;margin-top:6px}
.social-icon-link{display:inline-flex;align-items:center;justify-content:center;width:42px;height:42px;border-radius:12px;background:rgba(37,99,235,0.08);border:1px solid rgba(37,99,235,0.08);color:var(--blue);transition:var(--transition)}
.social-icon-link svg{width:18px;height:18px}
.social-icon-link:hover{transform:translateY(-2px);background:rgba(37,99,235,0.12);border-color:rgba(37,99,235,0.14)}
[data-theme="dark"] .social-icon-link{background:rgba(59,130,246,0.12);border-color:rgba(59,130,246,0.12);color:var(--blue-bright)}

/* ─── SUBJECTS TOPICS ─── */
.topic-list{display:flex;flex-direction:column;gap:5px;margin-top:12px}
.topic-item{display:flex;align-items:center;gap:8px;padding:9px 12px;background:var(--bg-alt);border-radius:8px;font-size:.86rem;color:var(--text-mid);transition:var(--transition)}
.topic-item:hover{background:rgba(37,99,235,0.07);color:var(--blue);transform:translateX(4px)}
.topic-item .bullet{width:6px;height:6px;border-radius:50%;background:var(--blue);flex-shrink:0}
[data-theme="dark"] .topic-item{background:rgba(59,130,246,0.05)}
[data-theme="dark"] .topic-item:hover{background:rgba(59,130,246,0.10);color:var(--blue-bright)}

/* ─── FOOTER ─── */
.footer{background:linear-gradient(135deg,var(--navy) 0%,var(--navy-mid) 100%);color:rgba(255,255,255,0.65);padding:60px 24px 28px;position:relative;overflow:hidden}
[data-theme="dark"] .footer{background:linear-gradient(135deg,#030a1a,#060d20);border-top:1px solid rgba(59,130,246,0.08)}
.footer-grid{display:grid;grid-template-columns:2fr 1fr 1fr 1fr;gap:40px;margin-bottom:44px;position:relative;z-index:1}
.footer-brand h3{font-family:var(--font-display);font-size:1.35rem;color:#fff;margin-bottom:12px}
.footer-brand p{font-size:.85rem;line-height:1.75;max-width:260px}
.footer-col h4{font-size:.78rem;font-weight:700;margin-bottom:14px;letter-spacing:.06em;text-transform:uppercase;color:var(--gold-light)}
.footer-col ul{display:flex;flex-direction:column;gap:9px}
.footer-col a{font-size:.85rem;color:rgba(255,255,255,0.55);transition:var(--transition)}
.footer-col a:hover{color:var(--gold-light)}
.footer-contact-text{font-size:.85rem;color:rgba(255,255,255,0.55);line-height:1.65}
.footer-socials{display:flex;gap:10px;margin-top:12px}
.footer-socials a{display:inline-flex;align-items:center;justify-content:center;width:38px;height:38px;border-radius:11px;background:rgba(255,255,255,0.06);border:1px solid rgba(255,255,255,0.08);color:rgba(255,255,255,0.72)}
.footer-socials a svg{width:17px;height:17px}
.footer-socials a:hover{background:rgba(245,158,11,0.14);border-color:rgba(245,158,11,0.22);color:var(--gold-light)}
.footer-bottom{border-top:1px solid rgba(255,255,255,0.07);padding-top:20px;display:flex;align-items:center;justify-content:space-between;flex-wrap:wrap;gap:8px;position:relative;z-index:1}
.footer-bottom p{font-size:.78rem;color:rgba(255,255,255,0.28)}

/* ─── FLOATING WHATSAPP ─── */
.wa-float{position:fixed;bottom:28px;right:20px;width:56px;height:56px;border-radius:50%;background:var(--whatsapp);color:#fff;display:flex;align-items:center;justify-content:center;box-shadow:0 6px 24px rgba(37,211,102,0.4);z-index:500;transition:var(--transition);animation:bdgFloat 3.5s ease-in-out infinite}
.wa-float svg{width:26px;height:26px;fill:#fff}
.wa-float:hover{transform:scale(1.1);box-shadow:0 10px 32px rgba(37,211,102,0.5)}
.wa-gate-open{overflow:hidden}
.wa-gate{position:fixed;inset:0;z-index:9999;display:flex;align-items:center;justify-content:center;padding:18px;background:rgba(7,18,20,.58);backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);opacity:0;pointer-events:none;transition:opacity .22s ease}
.wa-gate.open{opacity:1;pointer-events:auto}
.wa-gate-card{width:min(94vw,430px);max-height:min(88vh,720px);display:flex;flex-direction:column;overflow:hidden;border-radius:26px;background:#efe7d6;box-shadow:0 28px 80px rgba(3,10,18,.35);border:1px solid rgba(255,255,255,.35);transform:translateY(14px) scale(.96);transition:transform .24s ease;position:relative}
.wa-gate.open .wa-gate-card{transform:translateY(0) scale(1)}
.wa-gate-close{position:absolute;right:12px;top:10px;z-index:2;width:34px;height:34px;border-radius:50%;border:0;background:rgba(255,255,255,.16);color:#fff;font-size:24px;line-height:1;cursor:pointer}
.wa-chat-top{display:flex;align-items:center;gap:12px;padding:16px 18px;background:#075e54;color:#fff}
.wa-chat-avatar{width:42px;height:42px;border-radius:50%;display:grid;place-items:center;overflow:hidden;background:#fff;color:#fff;font-weight:900;box-shadow:inset 0 0 0 2px rgba(255,255,255,.22),0 6px 14px rgba(0,0,0,.12)}
.wa-chat-avatar img{width:100%;height:100%;object-fit:cover;display:block}
.wa-chat-top strong{display:block;font-size:1rem;letter-spacing:0}
.wa-chat-top small{display:block;margin-top:2px;color:rgba(255,255,255,.78);font-size:.74rem;font-weight:600}
.wa-chat-body{padding:18px;overflow-y:auto;background:linear-gradient(rgba(239,231,214,.9),rgba(239,231,214,.9)),radial-gradient(circle at 20% 20%,rgba(7,94,84,.12),transparent 24%),radial-gradient(circle at 80% 40%,rgba(37,211,102,.12),transparent 28%)}
.wa-bubble{width:fit-content;max-width:100%;border-radius:18px;padding:12px 14px;margin-bottom:12px;box-shadow:0 5px 14px rgba(15,23,42,.08);font-size:.92rem;line-height:1.56}
.wa-bubble p{margin:0;color:#12332f}
.wa-bubble-in{background:#fff;border-top-left-radius:6px}
.wa-bubble-in a{display:inline-flex;margin-top:8px;color:#075e54;font-weight:900;text-decoration:underline;text-underline-offset:3px}
.wa-bubble-out{margin-left:auto;background:#dcf8c6;border-top-right-radius:6px;color:#10342e}
.wa-bubble-out p{color:#10342e}
.wa-bubble-fee{margin-left:auto;background:#dcf8c6;border-top-right-radius:6px;color:#10342e}
.wa-bubble-fee span{display:block;font-size:.74rem;font-weight:900;text-transform:uppercase;letter-spacing:.06em;color:#167464}
.wa-bubble-fee strong{display:block;margin-top:4px;font-size:1.35rem;line-height:1.22;color:#073f37}
.wa-bubble-fee em{font-style:normal;font-size:.98rem;font-weight:900;color:#0f513f}
.wa-bubble-fee small{display:block;margin-top:6px;color:#376158;font-size:.73rem;font-weight:700}
.wa-options,.wa-actions{display:flex;flex-wrap:wrap;gap:8px;margin:0 0 12px}
.wa-option,.wa-action,.wa-action-link{border:1px solid rgba(7,94,84,.18);border-radius:999px;background:#fff;color:#075e54;padding:9px 12px;font-size:.82rem;font-weight:900;line-height:1.15;cursor:pointer;box-shadow:0 5px 14px rgba(15,23,42,.08);transition:transform .16s ease,background .16s ease,border-color .16s ease;text-decoration:none}
.wa-option:hover,.wa-action:hover,.wa-action-link:hover{transform:translateY(-1px);background:#e7fff1;border-color:rgba(18,140,126,.28)}
.wa-action:first-child{background:#25d366;color:#fff;border-color:#25d366}
.wa-confirm{display:flex;align-items:flex-start;gap:10px;margin-top:4px;padding:13px;border-radius:16px;background:rgba(255,255,255,.72);border:1px solid rgba(7,94,84,.12);color:#173b35;font-size:.86rem;font-weight:800;line-height:1.45;cursor:pointer}
.wa-confirm input{margin-top:2px;width:18px;height:18px;accent-color:#128c7e;flex-shrink:0}
.wa-chat-footer{padding:12px 14px;background:#f0f3f2;border-top:1px solid rgba(7,94,84,.1);display:flex;align-items:center;gap:10px;position:relative}
.wa-phone-control{display:grid;grid-template-columns:minmax(88px,98px) minmax(0,1fr);align-items:center;flex:1 1 auto;min-width:0;height:46px;background:#fff;border:1px solid rgba(7,94,84,.16);border-radius:999px;box-shadow:inset 0 1px 0 rgba(255,255,255,.9),0 7px 18px rgba(15,23,42,.08);overflow:hidden;transition:border-color .16s ease,box-shadow .16s ease}
.wa-phone-control[hidden]{display:none!important}
.wa-phone-control:focus-within{border-color:#25d366;box-shadow:0 0 0 3px rgba(37,211,102,.14),0 8px 20px rgba(15,23,42,.1)}
.wa-country-code,.wa-phone-input{height:100%;min-width:0;border:0;background:transparent;color:#12332f;font:inherit;outline:none;box-sizing:border-box}
.wa-country-code{width:100%;appearance:none;-webkit-appearance:none;border-radius:0;color:#075e54;padding:0 24px 0 11px;font-size:.82rem;font-weight:900;background-image:linear-gradient(45deg,transparent 50%,#075e54 50%),linear-gradient(135deg,#075e54 50%,transparent 50%);background-position:calc(100% - 15px) 20px,calc(100% - 10px) 20px;background-size:5px 5px,5px 5px;background-repeat:no-repeat;cursor:pointer}
.wa-phone-input{border-left:1px solid rgba(7,94,84,.12);padding:0 14px;font-size:.92rem;font-weight:800}
.wa-phone-input::placeholder{color:#77928c;font-weight:700}
.wa-input-error{position:absolute;left:14px;right:86px;bottom:66px;border-radius:12px;background:#fff1f2;color:#be123c;border:1px solid rgba(244,63,94,.22);box-shadow:0 8px 22px rgba(15,23,42,.1);padding:7px 10px;font-size:.78rem;font-weight:800}
.wa-chat-input{min-height:42px;max-height:112px;flex:1;resize:none;border:1px solid rgba(7,94,84,.15);border-radius:18px;background:#fff;color:#12332f;padding:11px 13px;font:inherit;font-size:.9rem;line-height:1.35;outline:none}
.wa-chat-input:focus{border-color:#25d366;box-shadow:0 0 0 3px rgba(37,211,102,.14)}
.wa-send{height:46px;min-width:64px;border:0;border-radius:999px;background:#25d366;color:#fff;padding:0 16px;font-size:.86rem;font-weight:900;cursor:pointer;box-shadow:0 10px 20px rgba(37,211,102,.24);display:inline-flex;align-items:center;justify-content:center;flex-shrink:0}
.wa-proceed{width:100%;border:0;border-radius:999px;background:#25d366;color:#fff;padding:13px 18px;font-size:.94rem;font-weight:900;cursor:pointer;box-shadow:0 12px 24px rgba(37,211,102,.25);transition:transform .18s ease,opacity .18s ease,background .18s ease}
.wa-proceed:hover:not(:disabled){transform:translateY(-1px);background:#1fbd5b}
.wa-proceed:disabled{cursor:not-allowed;opacity:.45;box-shadow:none}
[data-theme="dark"] .wa-gate-card{background:#152d2b}
[data-theme="dark"] .wa-chat-body{background:linear-gradient(rgba(18,45,43,.94),rgba(18,45,43,.94)),radial-gradient(circle at 20% 20%,rgba(37,211,102,.12),transparent 24%)}
[data-theme="dark"] .wa-phone-control{background:#102321;border-color:rgba(37,211,102,.22)}
[data-theme="dark"] .wa-country-code,[data-theme="dark"] .wa-phone-input{color:#e2f8f1}
[data-theme="dark"] .wa-country-code{background-image:linear-gradient(45deg,transparent 50%,#e2f8f1 50%),linear-gradient(135deg,#e2f8f1 50%,transparent 50%)}
[data-theme="dark"] .wa-phone-input{border-left-color:rgba(37,211,102,.18)}

@media(max-width:480px){
  .wa-chat-footer{padding:10px;gap:8px}
  .wa-phone-control{grid-template-columns:86px minmax(0,1fr);height:44px}
  .wa-country-code{padding-left:9px;padding-right:22px;font-size:.78rem;background-position:calc(100% - 14px) 19px,calc(100% - 9px) 19px}
  .wa-phone-input{padding:0 11px;font-size:.86rem}
  .wa-send{height:44px;min-width:58px;padding:0 13px;font-size:.82rem}
  .wa-input-error{left:10px;right:76px;bottom:62px}
}

/* ─── SCROLL TOP ─── */
.scroll-top{position:fixed;bottom:28px;right:86px;width:44px;height:44px;background:linear-gradient(135deg,var(--blue),var(--purple));color:#fff;border-radius:12px;display:flex;align-items:center;justify-content:center;box-shadow:0 4px 16px rgba(37,99,235,0.25);transition:var(--transition);opacity:0;pointer-events:none;z-index:500;font-weight:700;font-size:18px}
.scroll-top.visible{opacity:1;pointer-events:auto}
.scroll-top:hover{transform:translateY(-3px);box-shadow:0 8px 28px rgba(37,99,235,0.4)}

/* ─── BOTTOM NAV ─── */
.mobile-bottom-nav{display:none;position:fixed;bottom:0;left:0;right:0;z-index:998;background:var(--nav-bg);backdrop-filter:blur(20px);-webkit-backdrop-filter:blur(20px);border-top:1px solid var(--border);padding:6px 4px;padding-bottom:calc(6px + env(safe-area-inset-bottom))}
.mbn-inner{display:flex;justify-content:space-around;align-items:center}
.mbn-item{display:flex;flex-direction:column;align-items:center;gap:2px;padding:6px 10px;border-radius:10px;flex:1;transition:var(--transition);color:var(--text-light)}
.mbn-item.active,.mbn-item:hover{color:var(--blue)}
.mbn-item svg{width:20px;height:20px}
.mbn-item-label{font-size:.62rem;font-weight:600}
.mbn-item.mbn-center svg{width:20px;height:20px;color:#fff}
.mbn-item.mbn-center .mbn-center-icon{width:46px;height:46px;border-radius:50%;background:linear-gradient(135deg,var(--blue),var(--purple));display:flex;align-items:center;justify-content:center;margin-top:-18px;box-shadow:0 4px 18px rgba(37,99,235,0.4)}
.mbn-item.mbn-center .mbn-item-label{color:var(--blue);font-weight:700}

/* SVG size guard */
h3>svg,h2>svg{width:18px!important;height:18px!important;vertical-align:middle;display:inline-block;flex-shrink:0}

/* ─── ANIMATIONS ─── */
.reveal{opacity:0;transform:translateY(28px);transition:opacity .65s ease,transform .65s ease}
.reveal.visible{opacity:1;transform:none}
.reveal-delay-1{transition-delay:.12s}
.reveal-delay-2{transition-delay:.24s}
.reveal-delay-3{transition-delay:.36s}

/* ─── RESPONSIVE ─── */
@media(max-width:1024px){.nav-links,.nav-cta{display:none}.hamburger{display:flex}.two-col{grid-template-columns:1fr}.mega-menu{display:none!important}}
@media(max-width:900px){.mobile-bottom-nav{display:block}body{padding-bottom:calc(64px + env(safe-area-inset-bottom))}.scroll-top{bottom:calc(72px + env(safe-area-inset-bottom))}.wa-float{bottom:calc(128px + env(safe-area-inset-bottom));right:20px}.scroll-top{right:20px}.footer-grid{grid-template-columns:1fr 1fr}}
@media(max-width:768px){.hero-inner{grid-template-columns:1fr;text-align:center}.hero-visual{order:-1}.hero-math-visual{width:clamp(220px,72vw,310px);height:clamp(220px,72vw,310px)}.hero p{margin-left:auto;margin-right:auto}.hero-btns{justify-content:center}.hero-stats{grid-template-columns:repeat(3,1fr)}.form-row{grid-template-columns:1fr}.hero-badge-3{display:none}}
@media(max-width:640px){.section{padding:56px 16px}.hero{padding:88px 16px 90px}.hero h1{font-size:2.1rem}.hero-stats{gap:8px}.hero-stat{padding:12px 8px}.hero-stat-num{font-size:1.5rem}.page-hero{padding:100px 16px 70px}.footer-grid{grid-template-columns:1fr;gap:24px}.form-wrap{padding:24px 20px}.cta-block{padding:40px 20px;border-radius:var(--r-md)}}
@media print{.nav,.wa-float,.mobile-bottom-nav,.scroll-top,.footer{display:none!important}.section{padding:32px 16px}}