/* =============================================
   NEET STUDY MATERIALS — Landing Page
   Theme: Crimson Red / Academic Focused
   ============================================= */
:root {
  --accent: #e11d48;
  --accent-dark: #be123c;
  --accent-darker: #9f1239;
  --accent-light: #fecdd3;
  --accent-xlight: #fff1f2;
  --phys: #3b82f6; --phys-bg: #eff6ff;
  --chem: #8b5cf6; --chem-bg: #f5f3ff;
  --bio: #10b981; --bio-bg: #ecfdf5;
  --text-primary: #0f0a0d;
  --text-secondary: #374151;
  --text-muted: #6b7280;
  --bg: #ffffff; --bg-soft: #fafafa; --bg-card: #ffffff;
  --border: #e5e7eb; --border-soft: #f3f4f6;
  --shadow-sm: 0 1px 3px rgba(225,29,72,.06);
  --shadow-md: 0 4px 16px rgba(225,29,72,.10);
  --shadow-lg: 0 12px 40px rgba(225,29,72,.14);
  --radius: 16px; --radius-lg: 24px;
  --nav-height: 70px;
  --font: 'Segoe UI', system-ui, -apple-system, sans-serif;
}
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0;}
html{scroll-behavior:smooth;}
body{font-family:var(--font);background:var(--bg);color:var(--text-primary);overflow-x:hidden;line-height:1.6;}
.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0;}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 clamp(1rem,4vw,2rem);}
h1{font-size:clamp(2rem,4.5vw,3.5rem);font-weight:800;line-height:1.1;letter-spacing:-.02em;}
h2{font-size:clamp(1.6rem,3vw,2.5rem);font-weight:700;line-height:1.2;letter-spacing:-.01em;}
h3{font-size:clamp(1rem,1.8vw,1.15rem);font-weight:600;}
p{color:var(--text-secondary);}
a{text-decoration:none;color:inherit;}
.gradient-text{background:linear-gradient(135deg,#e11d48,#be123c);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text;}

.btn-primary{display:inline-flex;align-items:center;gap:.5rem;background:linear-gradient(135deg,#e11d48,#be123c);color:white;font-weight:600;font-size:.95rem;padding:.75rem 1.5rem;border-radius:50px;border:none;cursor:pointer;transition:all .25s;box-shadow:0 4px 14px rgba(225,29,72,.35);white-space:nowrap;}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 6px 20px rgba(225,29,72,.45);}
.btn-primary:focus-visible{outline:3px solid var(--accent);outline-offset:3px;}
.btn-secondary{display:inline-flex;align-items:center;gap:.5rem;background:transparent;color:var(--accent-dark);font-weight:600;font-size:.95rem;padding:.75rem 1.5rem;border-radius:50px;border:2px solid var(--accent);cursor:pointer;transition:all .25s;}
.btn-secondary:hover{background:var(--accent-xlight);transform:translateY(-2px);}
.btn-secondary:focus-visible{outline:3px solid var(--accent);outline-offset:3px;}
.btn-large{padding:1rem 2rem;font-size:1.05rem;}

/* NAV */
.nav-header{position:fixed;top:0;left:0;right:0;z-index:1000;background:rgba(255,255,255,.92);backdrop-filter:blur(16px);border-bottom:1px solid var(--border-soft);height:var(--nav-height);transition:all .3s;}
.nav-header.scrolled{box-shadow:var(--shadow-md);}
.nav-container{max-width:1200px;margin:0 auto;padding:0 clamp(1rem,4vw,2rem);height:100%;display:flex;align-items:center;gap:1.5rem;}
.nav-logo{display:flex;align-items:center;gap:.5rem;font-weight:700;font-size:1rem;flex-shrink:0;}
.nav-logo-icon{font-size:1.4rem;}
.nav-links{display:flex;list-style:none;gap:.1rem;margin-left:auto;}
.nav-links a{color:var(--text-secondary);font-size:.88rem;font-weight:500;padding:.4rem .7rem;border-radius:8px;transition:all .2s;}
.nav-links a:hover{color:var(--accent-dark);background:var(--accent-xlight);}
.nav-links a:focus-visible{outline:2px solid var(--accent);}
.nav-cta{margin-left:.5rem;background:linear-gradient(135deg,#e11d48,#be123c);color:white;font-weight:600;font-size:.875rem;padding:.5rem 1.2rem;border-radius:50px;transition:all .25s;white-space:nowrap;box-shadow:0 2px 8px rgba(225,29,72,.3);}
.nav-cta:hover{transform:translateY(-1px);}
.nav-cta:focus-visible{outline:3px solid var(--accent);outline-offset:2px;}
.hamburger{display:none;flex-direction:column;gap:5px;background:none;border:none;cursor:pointer;padding:4px;border-radius:8px;margin-left:auto;}
.hamburger span{display:block;width:24px;height:2px;background:var(--text-primary);border-radius:2px;transition:all .3s;}
.hamburger.open span:nth-child(1){transform:translateY(7px) rotate(45deg);}
.hamburger.open span:nth-child(2){opacity:0;transform:scaleX(0);}
.hamburger.open span:nth-child(3){transform:translateY(-7px) rotate(-45deg);}
.hamburger:focus-visible{outline:2px solid var(--accent);}
.mobile-menu{position:fixed;top:0;right:0;bottom:0;width:min(320px,85vw);background:white;z-index:2000;padding:2rem 1.5rem;display:flex;flex-direction:column;gap:.5rem;transform:translateX(100%);transition:transform .35s cubic-bezier(.4,0,.2,1);box-shadow:-4px 0 30px rgba(0,0,0,.12);}
.mobile-menu.open{transform:translateX(0);}
.mobile-menu ul{list-style:none;display:flex;flex-direction:column;gap:.25rem;margin-top:1rem;}
.mobile-link{display:block;padding:.75rem 1rem;border-radius:12px;font-weight:500;color:var(--text-secondary);transition:all .2s;}
.mobile-link:hover{background:var(--accent-xlight);color:var(--accent-darker);}
.mobile-menu-close{align-self:flex-end;background:var(--bg-soft);border:none;cursor:pointer;width:36px;height:36px;border-radius:50%;font-size:1rem;color:var(--text-secondary);}
.mobile-cta{margin-top:1.5rem;justify-content:center;}
.mobile-overlay{position:fixed;inset:0;background:rgba(0,0,0,.4);z-index:1999;opacity:0;pointer-events:none;transition:opacity .3s;}
.mobile-overlay.visible{opacity:1;pointer-events:all;}

/* HERO */
.hero{min-height:100svh;padding-top:var(--nav-height);display:flex;align-items:center;position:relative;overflow:hidden;background:linear-gradient(155deg,#fff1f2 0%,#ffffff 50%,#f5f3ff 100%);}
.hero-bg{position:absolute;inset:0;pointer-events:none;}
.bg-grid{position:absolute;inset:0;background-image:linear-gradient(rgba(225,29,72,.05) 1px,transparent 1px),linear-gradient(90deg,rgba(225,29,72,.05) 1px,transparent 1px);background-size:48px 48px;}
.orb{position:absolute;border-radius:50%;}
.orb-1{width:clamp(350px,45vw,650px);height:clamp(350px,45vw,650px);background:radial-gradient(circle,rgba(225,29,72,.08),transparent 70%);top:-15%;right:-10%;}
.orb-2{width:clamp(200px,28vw,400px);height:clamp(200px,28vw,400px);background:radial-gradient(circle,rgba(139,92,246,.06),transparent 70%);bottom:5%;left:-5%;}
.subject-float{position:absolute;font-size:clamp(2rem,4vw,3rem);opacity:.07;animation:sfloat 7s ease-in-out infinite;}
.sf-1{top:15%;left:6%;animation-delay:0s;}
.sf-2{top:50%;right:8%;animation-delay:2s;}
.sf-3{bottom:20%;left:8%;animation-delay:4s;}
.sf-4{top:30%;right:20%;animation-delay:1.5s;}
@keyframes sfloat{0%,100%{transform:translateY(0);}50%{transform:translateY(-14px);}}

.hero-inner{display:grid;grid-template-columns:1fr 1fr;gap:clamp(2rem,5vw,5rem);align-items:center;padding:clamp(2rem,5vw,4rem) 0 clamp(3rem,6vw,5rem);}
.hero-badge{display:inline-flex;align-items:center;gap:.4rem;background:var(--accent-xlight);color:var(--accent-darker);font-size:.82rem;font-weight:600;padding:.4rem 1rem;border-radius:50px;border:1px solid var(--accent-light);margin-bottom:1.25rem;}
.hero-content h1{margin-bottom:1.25rem;}
.hero-desc{font-size:clamp(1rem,1.8vw,1.1rem);margin-bottom:2rem;max-width:480px;line-height:1.7;}
.hero-actions{display:flex;gap:1rem;flex-wrap:wrap;margin-bottom:1.5rem;}
.hero-chips{display:flex;flex-wrap:wrap;gap:.5rem;margin-bottom:1rem;}
.chip{background:white;border:1px solid var(--border);color:var(--text-secondary);font-size:.78rem;font-weight:500;padding:.3rem .8rem;border-radius:50px;box-shadow:var(--shadow-sm);}
.disclaimer-sm{font-size:.75rem;color:var(--text-muted);font-style:italic;max-width:420px;}

/* Phone mockup */
.hero-visual{position:relative;display:flex;justify-content:center;align-items:center;}
.phone-mockup{position:relative;z-index:2;}
.phone-shell{width:clamp(220px,30vw,285px);background:linear-gradient(160deg,#1a0408,#280810);border-radius:40px;padding:16px;box-shadow:0 30px 80px rgba(0,0,0,.3),0 8px 24px rgba(225,29,72,.15),inset 0 0 0 1px rgba(255,255,255,.06);}
.mock-screen{background:#120306;border-radius:28px;padding:1rem;}
.mock-neet-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:.65rem;padding-bottom:.65rem;border-bottom:1px solid rgba(255,255,255,.08);}
.mock-neet-header span:first-child{color:white;font-size:.85rem;font-weight:700;}
.mock-chapter-badge{background:rgba(225,29,72,.25);color:#fda4af;font-size:.62rem;font-weight:700;padding:.2rem .55rem;border-radius:50px;}
.mock-subject-tabs{display:flex;gap:.35rem;margin-bottom:.65rem;}
.mst{flex:1;text-align:center;padding:.3rem .2rem;border-radius:8px;font-size:.65rem;font-weight:600;color:rgba(255,255,255,.4);background:rgba(255,255,255,.04);cursor:default;}
.mst.active{background:rgba(225,29,72,.2);color:#fda4af;border:1px solid rgba(225,29,72,.3);}
.mock-chapter-list{display:flex;flex-direction:column;gap:.3rem;margin-bottom:.6rem;}
.mcl-item{display:flex;align-items:center;gap:.4rem;padding:.38rem .55rem;background:rgba(255,255,255,.03);border-radius:8px;font-size:.65rem;color:rgba(255,255,255,.55);}
.mcl-item.done{color:rgba(255,255,255,.6);}
.mcl-item.active{background:rgba(225,29,72,.1);border:1px solid rgba(225,29,72,.2);color:rgba(255,255,255,.85);}
.mcl-ch{font-size:.58rem;color:rgba(255,255,255,.35);flex-shrink:0;width:28px;}
.mcl-item span:nth-child(2){flex:1;}
.mcl-done{color:#4ade80;font-size:.65rem;}
.mcl-active{color:#fda4af;}
.mock-mcq-preview{background:rgba(225,29,72,.08);border:1px solid rgba(225,29,72,.15);border-radius:10px;padding:.55rem;}
.mmp-label{font-size:.58rem;text-transform:uppercase;letter-spacing:.04em;color:#fda4af;font-weight:700;margin-bottom:.3rem;}
.mmp-q{font-size:.62rem;color:rgba(255,255,255,.7);line-height:1.4;}

.float-chip{position:absolute;background:white;border:1px solid var(--border);border-radius:50px;padding:.45rem .9rem;font-size:.76rem;font-weight:600;color:var(--text-secondary);box-shadow:var(--shadow-md);white-space:nowrap;animation:floatN 4s ease-in-out infinite;}
.fc-1{top:8%;left:-12%;animation-delay:0s;}
.fc-2{bottom:28%;left:-14%;animation-delay:1.3s;}
.fc-3{top:48%;right:-8%;animation-delay:.7s;}
@keyframes floatN{0%,100%{transform:translateY(0);}50%{transform:translateY(-8px);}}

/* HIGHLIGHTS */
.highlights{padding:clamp(2.5rem,5vw,4rem) 0;background:var(--bg-soft);border-top:1px solid var(--border-soft);border-bottom:1px solid var(--border-soft);}
.highlights-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(190px,1fr));gap:1.25rem;}
.hl-item{display:flex;align-items:center;gap:.75rem;background:white;border-radius:var(--radius);padding:1rem 1.2rem;border:1px solid var(--border-soft);box-shadow:var(--shadow-sm);transition:all .25s;}
.hl-item:hover{transform:translateY(-2px);box-shadow:var(--shadow-md);border-color:var(--accent-light);}
.hl-icon{font-size:1.4rem;flex-shrink:0;}
.hl-item div{display:flex;flex-direction:column;gap:.1rem;}
.hl-item strong{font-size:.88rem;color:var(--text-primary);}
.hl-item span{font-size:.76rem;color:var(--text-muted);line-height:1.4;}

/* SECTION HEADER */
.section-header{text-align:center;margin-bottom:clamp(2rem,4vw,3.5rem);}
.section-tag{display:inline-block;background:var(--accent-xlight);color:var(--accent-darker);font-size:.78rem;font-weight:700;letter-spacing:.07em;text-transform:uppercase;padding:.3rem .9rem;border-radius:50px;border:1px solid var(--accent-light);margin-bottom:.75rem;}
.section-header h2{margin-bottom:.75rem;}
.section-header p{color:var(--text-muted);max-width:560px;margin:0 auto;font-size:1rem;}

/* SUBJECTS */
.subjects{padding:clamp(4rem,8vw,7rem) 0;}
.subjects-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:1.5rem;}
.subject-card{background:white;border:1px solid var(--border);border-radius:var(--radius-lg);padding:clamp(1.5rem,3vw,2rem);transition:all .3s;box-shadow:var(--shadow-sm);}
.subject-card.physics:hover{border-color:var(--phys);box-shadow:0 8px 30px rgba(59,130,246,.15);}
.subject-card.chemistry:hover{border-color:var(--chem);box-shadow:0 8px 30px rgba(139,92,246,.15);}
.subject-card.biology:hover{border-color:var(--bio);box-shadow:0 8px 30px rgba(16,185,129,.15);}
.subject-card:hover{transform:translateY(-4px);}
.sc-header{display:flex;align-items:center;gap:.75rem;margin-bottom:1rem;}
.sc-icon{font-size:2rem;}
.sc-header h3{margin:0;}
.sc-chapters{list-style:none;display:flex;flex-direction:column;gap:.4rem;}
.sc-chapters li{font-size:.85rem;color:var(--text-muted);padding:.25rem 0;border-bottom:1px solid var(--border-soft);display:flex;align-items:center;gap:.4rem;}
.sc-chapters li::before{content:'→';color:var(--accent);font-size:.75rem;}

/* FEATURES */
.features{padding:clamp(4rem,8vw,7rem) 0;background:var(--bg-soft);}
.features-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:1.25rem;}
.feature-card{background:white;border:1px solid var(--border);border-radius:var(--radius);padding:clamp(1.25rem,3vw,1.75rem);transition:all .3s;box-shadow:var(--shadow-sm);}
.feature-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-lg);border-color:var(--accent-light);}
.feat-icon{font-size:1.8rem;margin-bottom:.75rem;}
.feature-card h3{margin-bottom:.5rem;font-size:.95rem;}
.feature-card p{font-size:.85rem;color:var(--text-muted);line-height:1.6;}

/* SHOWCASE */
.showcase{padding:clamp(3rem,6vw,6rem) 0;}
.showcase-row{display:grid;grid-template-columns:1fr 1fr;gap:clamp(2rem,5vw,4rem);align-items:center;margin-bottom:clamp(3rem,6vw,5rem);}
.showcase-row:last-child{margin-bottom:0;}
.showcase-row.reverse{direction:rtl;}
.showcase-row.reverse>*{direction:ltr;}
.sc-vis-card{background:var(--bg-soft);border:1px solid var(--border);border-radius:var(--radius-lg);padding:1.5rem;box-shadow:var(--shadow-lg);}
/* Chapter vis */
.cv-subject-bar{display:flex;align-items:center;gap:.75rem;margin-bottom:.75rem;padding-bottom:.65rem;border-bottom:1px solid var(--border);}
.cv-sub{font-size:.78rem;font-weight:700;padding:.2rem .6rem;border-radius:50px;}
.cv-sub.phys{background:var(--phys-bg);color:var(--phys);}
.cv-chapter{font-size:.78rem;color:var(--text-muted);}
.cv-formula-box{background:white;border:1px solid var(--border);border-left:4px solid var(--accent);border-radius:10px;padding:.85rem;margin-bottom:.75rem;}
.cvf-label{font-size:.62rem;text-transform:uppercase;letter-spacing:.05em;color:var(--text-muted);margin-bottom:.3rem;}
.cvf-eq{font-size:1.1rem;font-weight:800;color:var(--accent-dark);font-family:'Courier New',monospace;margin-bottom:.2rem;}
.cvf-name{font-size:.75rem;color:var(--text-muted);}
.cv-concepts{display:flex;flex-direction:column;gap:.4rem;}
.cvc-item{font-size:.8rem;color:var(--text-secondary);padding:.3rem .5rem;background:white;border-radius:8px;border:1px solid var(--border-soft);}
/* MCQ vis */
.mv-header{font-size:.85rem;font-weight:700;color:var(--text-primary);margin-bottom:.75rem;}
.mv-q{background:var(--accent-xlight);border-left:3px solid var(--accent);color:var(--accent-darker);font-size:.82rem;font-weight:500;padding:.65rem .8rem;border-radius:0 10px 10px 0;margin-bottom:.65rem;line-height:1.5;}
.mv-opts{display:flex;flex-direction:column;gap:.35rem;margin-bottom:.65rem;}
.mv-opt{background:var(--bg-soft);border:1px solid var(--border);border-radius:8px;padding:.45rem .7rem;font-size:.8rem;color:var(--text-secondary);}
.mv-opt.correct{background:#f0fdf4;border-color:#bbf7d0;color:#15803d;}
.mv-score{text-align:center;font-size:.8rem;font-weight:700;color:var(--accent-dark);background:var(--accent-xlight);padding:.4rem;border-radius:8px;}

.sc-tag{display:inline-block;background:var(--accent-xlight);color:var(--accent-darker);font-size:.75rem;font-weight:700;letter-spacing:.05em;text-transform:uppercase;padding:.25rem .75rem;border-radius:50px;margin-bottom:.75rem;}
.showcase-content h3{font-size:clamp(1.3rem,3vw,1.9rem);margin-bottom:.75rem;}
.showcase-content p{font-size:1rem;margin-bottom:1.25rem;line-height:1.7;}
.sc-list{list-style:none;display:flex;flex-direction:column;gap:.5rem;}
.sc-list li{display:flex;align-items:center;gap:.5rem;font-size:.875rem;color:var(--text-secondary);}
.sc-list li::before{content:'✓';color:var(--accent);font-weight:700;}

/* SCREENSHOTS */
.screenshots{padding:clamp(4rem,8vw,7rem) 0;background:var(--bg-soft);}
.screenshots-row{display:flex;justify-content:center;align-items:flex-end;gap:clamp(1rem,3vw,2rem);flex-wrap:wrap;}
.screenshot-frame{display:flex;flex-direction:column;align-items:center;gap:1rem;transition:transform .3s;}
.screenshot-frame:hover{transform:translateY(-6px);}
.screenshot-frame p{font-size:.82rem;font-weight:600;color:var(--text-muted);}
.screenshot-frame.featured{transform:scale(1.06);}
.screenshot-frame.featured:hover{transform:scale(1.06) translateY(-6px);}
.phone-frame{width:clamp(140px,19vw,175px);background:#1a0408;border-radius:32px;padding:10px;box-shadow:0 20px 60px rgba(0,0,0,.25);}
.phone-screen-ss{border-radius:24px;overflow:hidden;aspect-ratio:9/18;background:#120306;}
.ss-inner{padding:.75rem;height:100%;display:flex;flex-direction:column;gap:.4rem;}
.ss-bar{display:flex;justify-content:space-between;font-size:.68rem;font-weight:600;color:rgba(255,255,255,.7);padding-bottom:.4rem;border-bottom:1px solid rgba(255,255,255,.08);}
.ss-subject{padding:.5rem .65rem;border-radius:10px;font-size:.65rem;font-weight:700;color:white;display:flex;justify-content:space-between;align-items:center;}
.ss-subject small{font-size:.58rem;font-weight:400;color:rgba(255,255,255,.5);}
.ss-subject.phys{background:rgba(59,130,246,.15);border-left:3px solid var(--phys);}
.ss-subject.chem{background:rgba(139,92,246,.15);border-left:3px solid var(--chem);}
.ss-subject.bio{background:rgba(16,185,129,.15);border-left:3px solid var(--bio);}
.ss-mcq-q{background:rgba(225,29,72,.1);border-radius:8px;padding:.5rem;font-size:.63rem;color:rgba(255,255,255,.85);line-height:1.4;font-weight:500;}
.ss-mcq-opt{background:rgba(255,255,255,.04);border:1px solid rgba(255,255,255,.06);border-radius:7px;padding:.3rem .5rem;font-size:.6rem;color:rgba(255,255,255,.6);}
.ss-mcq-opt.correct-o{background:rgba(16,185,129,.15);color:#4ade80;border-color:rgba(16,185,129,.3);}
.ss-prog-subject{display:flex;align-items:center;gap:.4rem;}
.ss-prog-subject span:first-child{font-size:.6rem;color:rgba(255,255,255,.55);width:48px;flex-shrink:0;}
.ss-p-bar{flex:1;height:4px;background:rgba(255,255,255,.08);border-radius:2px;overflow:hidden;}
.ss-p-bar div{height:100%;background:linear-gradient(90deg,#e11d48,#be123c);border-radius:2px;}
.ss-pc{font-size:.58rem;color:#fda4af;font-weight:700;flex-shrink:0;}
.ss-overall{text-align:center;background:rgba(225,29,72,.15);border-radius:8px;padding:.35rem;font-size:.65rem;font-weight:700;color:#fda4af;margin-top:auto;}

/* HOW IT WORKS */
.how-it-works{padding:clamp(4rem,8vw,7rem) 0;}
.steps-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:2rem;}
.step{text-align:center;padding:1.75rem 1rem;background:var(--bg-soft);border-radius:var(--radius-lg);border:1px solid var(--border-soft);transition:all .3s;}
.step:hover{transform:translateY(-4px);box-shadow:var(--shadow-md);border-color:var(--accent-light);}
.step-num{font-size:2.5rem;font-weight:900;color:var(--accent-light);line-height:1;margin-bottom:.25rem;}
.step-icon{font-size:1.8rem;margin-bottom:.75rem;}
.step h3{margin-bottom:.5rem;}
.step p{font-size:.85rem;color:var(--text-muted);}

/* FAQ */
.faq{padding:clamp(4rem,8vw,7rem) 0;background:var(--bg-soft);}
.faq-list{max-width:720px;margin:0 auto;display:flex;flex-direction:column;gap:.75rem;}
.faq-item{background:white;border:1px solid var(--border);border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow-sm);}
.faq-question{display:flex;justify-content:space-between;align-items:center;width:100%;background:none;border:none;text-align:left;padding:1.2rem 1.5rem;font-size:.92rem;font-weight:600;color:var(--text-primary);cursor:pointer;gap:1rem;transition:background .2s;}
.faq-question:hover{background:var(--accent-xlight);}
.faq-question:focus-visible{outline:2px solid var(--accent);outline-offset:-2px;}
.faq-question[aria-expanded="true"]{color:var(--accent-darker);}
.faq-icon{font-size:1.2rem;font-weight:400;color:var(--accent);flex-shrink:0;transition:transform .3s;line-height:1;}
.faq-question[aria-expanded="true"] .faq-icon{transform:rotate(45deg);}
.faq-answer{padding:0 1.5rem 1.2rem;}
.faq-answer p{font-size:.875rem;color:var(--text-muted);line-height:1.7;}

/* CTA */
.final-cta{padding:clamp(4rem,8vw,7rem) 0;}
.cta-box{text-align:center;background:linear-gradient(135deg,#fff1f2,#f5f3ff);border:1px solid var(--accent-light);border-radius:var(--radius-lg);padding:clamp(3rem,6vw,5rem) clamp(1.5rem,4vw,3rem);}
.cta-icon{font-size:3rem;margin-bottom:1rem;}
.cta-box h2{margin-bottom:.75rem;}
.cta-box p{font-size:1.05rem;color:var(--text-muted);margin-bottom:2rem;max-width:480px;margin-left:auto;margin-right:auto;}
.cta-disclaimer{font-size:.75rem;color:var(--text-muted);font-style:italic;margin-top:1rem;}

/* FOOTER */
.footer{background:#1a0408;color:rgba(255,255,255,.6);padding:clamp(3rem,6vw,5rem) 0 2rem;}
.footer-inner{display:grid;grid-template-columns:2fr 1fr 1fr;gap:clamp(2rem,4vw,3rem);margin-bottom:2rem;}
.footer-brand{display:flex;flex-direction:column;gap:.75rem;}
.footer-logo{display:flex;align-items:center;gap:.5rem;font-size:1rem;font-weight:700;color:white;}
.footer-brand p{font-size:.875rem;line-height:1.6;max-width:280px;}
.footer-dl{align-self:flex-start;margin-top:.5rem;font-size:.875rem;}
.footer-links h3{color:white;font-size:.82rem;font-weight:700;text-transform:uppercase;letter-spacing:.05em;margin-bottom:1rem;}
.footer-links ul{list-style:none;display:flex;flex-direction:column;gap:.6rem;}
.footer-links a{font-size:.875rem;color:rgba(255,255,255,.55);transition:color .2s;}
.footer-links a:hover{color:var(--accent-light);}
.footer-links a:focus-visible{outline:2px solid var(--accent);border-radius:2px;}
.footer-disclaimer{border-top:1px solid rgba(255,255,255,.08);padding:1rem 0;font-size:.78rem;color:rgba(255,255,255,.4);line-height:1.6;margin-bottom:1rem;}
.footer-bottom{display:flex;flex-direction:column;gap:.25rem;}
.footer-bottom p{font-size:.8rem;color:rgba(255,255,255,.35);}

.back-to-top{position:fixed;bottom:1.5rem;right:1.5rem;z-index:900;width:44px;height:44px;border-radius:50%;background:var(--accent);color:white;border:none;cursor:pointer;display:flex;align-items:center;justify-content:center;box-shadow:0 4px 16px rgba(225,29,72,.4);transition:all .3s;opacity:0;transform:translateY(8px);}
.back-to-top:not([hidden]){opacity:1;transform:translateY(0);}
.back-to-top:hover{background:var(--accent-dark);transform:translateY(-2px);}
.back-to-top:focus-visible{outline:3px solid var(--accent);outline-offset:2px;}

[data-reveal]{opacity:0;transform:translateY(24px);transition:opacity .6s ease,transform .6s ease;}
[data-reveal].revealed{opacity:1;transform:translateY(0);}

@media (prefers-reduced-motion:reduce){*,*::before,*::after{animation-duration:.01ms!important;animation-iteration-count:1!important;scroll-behavior:auto!important;transition-duration:.01ms!important;}.float-chip,.subject-float{animation:none;}}
@media (max-width:1024px){.footer-inner{grid-template-columns:1fr 1fr;}.footer-brand{grid-column:1 / -1;}}
@media (max-width:768px){
  .nav-links,.nav-cta{display:none;}.hamburger{display:flex;}
  .hero-inner{grid-template-columns:1fr;text-align:center;}
  .hero-desc,.hero-actions,.hero-chips{justify-content:center;margin-left:auto;margin-right:auto;}.hero-desc{max-width:100%;}.disclaimer-sm{margin:0 auto;}
  .float-chip{display:none;}
  .showcase-row,.showcase-row.reverse{grid-template-columns:1fr;direction:ltr;}
  .footer-inner{grid-template-columns:1fr;}.footer-brand{grid-column:auto;}
}
@media (max-width:480px){
  .hero-actions{flex-direction:column;align-items:center;}
  .hero-actions>*{width:100%;max-width:280px;justify-content:center;}
  .subjects-grid,.features-grid{grid-template-columns:1fr;}
  .steps-grid{grid-template-columns:1fr 1fr;}
  .screenshots-row{flex-direction:column;align-items:center;}.screenshot-frame.featured{transform:scale(1);}
}
@media (max-width:360px){h1{font-size:1.9rem;}.steps-grid{grid-template-columns:1fr;}}

/* ── NEET Study Materials — Loading Screen v2 ── */
@import url('https://fonts.googleapis.com/css2?family=Space+Grotesk:wght@600;700;800&display=swap');
#neet-loader{position:fixed;inset:0;z-index:9999;display:flex;flex-direction:column;align-items:center;justify-content:center;background:radial-gradient(ellipse at 40% 50%,#170309 0%,#0f0205 55%,#070102 100%);overflow:hidden;transition:opacity .65s ease,visibility .65s ease;}
#neet-loader.neet-out{opacity:0;visibility:hidden;pointer-events:none;}
.neetl-bg{position:absolute;inset:0;background:radial-gradient(circle at 30% 40%,rgba(225,29,72,.07) 0%,transparent 50%),radial-gradient(circle at 70% 60%,rgba(239,68,68,.05) 0%,transparent 50%);animation:neetlBg 5s ease-in-out infinite;}
@keyframes neetlBg{0%,100%{opacity:.6;}50%{opacity:1;}}
.neetl-orb-1{position:absolute;border-radius:50%;pointer-events:none;width:500px;height:500px;background:radial-gradient(circle,rgba(225,29,72,.12) 0%,transparent 65%);top:-100px;right:-80px;animation:neetlOrb 6s ease-in-out infinite;}
.neetl-orb-2{position:absolute;border-radius:50%;pointer-events:none;width:360px;height:360px;background:radial-gradient(circle,rgba(234,179,8,.08) 0%,transparent 65%);bottom:-80px;left:-60px;animation:neetlOrb 8s ease-in-out infinite reverse;}
@keyframes neetlOrb{0%,100%{transform:scale(1);}50%{transform:scale(1.1);}}
.neetl-content{position:relative;z-index:2;display:flex;flex-direction:column;align-items:center;gap:1.4rem;}
.neetl-ring{position:relative;width:110px;height:110px;}
.neetl-ring::before{content:'';position:absolute;inset:0;border-radius:50%;border:3px solid transparent;border-top-color:#e11d48;border-left-color:rgba(225,29,72,.5);animation:neetlSpin 1.1s linear infinite;}
.neetl-ring::after{content:'';position:absolute;inset:10px;border-radius:50%;border:2px solid transparent;border-bottom-color:#eab308;border-right-color:rgba(234,179,8,.4);animation:neetlSpin 1.7s linear infinite reverse;}
@keyframes neetlSpin{to{transform:rotate(360deg);}}
.neetl-icon{position:absolute;inset:0;display:flex;align-items:center;justify-content:center;font-size:2.8rem;animation:neetlBounce .65s cubic-bezier(.34,1.56,.64,1) both;}
@keyframes neetlBounce{from{transform:scale(0) rotate(-20deg);opacity:0;}to{transform:scale(1) rotate(0);opacity:1;}}
.neetl-name{font-family:'Space Grotesk',system-ui;font-size:1.9rem;font-weight:800;letter-spacing:-.03em;background:linear-gradient(135deg,#fb7185,#fde047);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text;animation:neetlFadeUp .6s .3s ease both;}
.neetl-tagline{font-size:.85rem;font-weight:600;letter-spacing:.1em;text-transform:uppercase;color:rgba(253,164,175,.5);animation:neetlFadeUp .6s .42s ease both;}
.neetl-chips{display:flex;gap:.6rem;flex-wrap:wrap;justify-content:center;animation:neetlFadeUp .6s .55s ease both;}
.neetl-chip{background:rgba(225,29,72,.1);border:1px solid rgba(225,29,72,.22);border-radius:50px;padding:.28rem .8rem;font-size:.76rem;font-weight:600;color:#fda4af;animation:neetlChip 2.5s ease-in-out infinite;}
.neetl-chip:nth-child(2){animation-delay:.3s;background:rgba(34,197,94,.1);border-color:rgba(34,197,94,.22);color:#86efac;}
.neetl-chip:nth-child(3){animation-delay:.6s;background:rgba(59,130,246,.1);border-color:rgba(59,130,246,.22);color:#93c5fd;}
.neetl-chip:nth-child(4){animation-delay:.9s;}
@keyframes neetlChip{0%,100%{transform:translateY(0);}50%{transform:translateY(-5px);}}
.neetl-bar-wrap{width:210px;height:4px;background:rgba(225,29,72,.12);border-radius:50px;overflow:hidden;animation:neetlFadeUp .6s .65s ease both;}
.neetl-bar{height:100%;background:linear-gradient(90deg,#e11d48,#eab308);border-radius:50px;width:0%;transition:width .1s linear;box-shadow:0 0 10px rgba(225,29,72,.7);}
@keyframes neetlFadeUp{from{opacity:0;transform:translateY(18px);}to{opacity:1;transform:translateY(0);}}
#neet-scroll-progress{position:fixed;top:0;left:0;height:3px;width:0%;background:linear-gradient(90deg,#e11d48,#eab308);z-index:9999;pointer-events:none;transition:width .1s linear;box-shadow:0 0 6px rgba(225,29,72,.6);}