:root {
    --bg: #131313;
    --bg-elevated: #2A2A2A;
    --bg-card: rgba(255,255,255,0.03);
    --text: #F1F1F1;
    --text-50: rgba(241,241,241,0.5);
    --text-08: rgba(241,241,241,0.08);
    --text-15: rgba(241,241,241,0.15);
    --accent: #F1F1F1;
    --accent-glow: rgba(241,241,241,0.15);
    --accent-glow-strong: rgba(241,241,241,0.4);
    --radius: 20px;
    --radius-sm: 12px;
    --radius-xs: 8px;
    --font: -apple-system,BlinkMacSystemFont,'SF Pro Rounded','SF Pro Display',system-ui,sans-serif;
    --max-width: 1100px;
    --section-pad: clamp(80px,12vh,140px);
}
*,*::before,*::after{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-font-smoothing:antialiased}
body{font-family:var(--font);background:var(--bg);color:var(--text);line-height:1.5;overflow-x:hidden;transition:background .4s ease,color .4s ease}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block}

.scroll-progress{position:fixed;top:0;left:0;height:3px;background:var(--accent);width:0%;z-index:1000;transition:width .1s linear,background .4s ease;box-shadow:0 0 12px var(--accent-glow-strong)}

nav{position:fixed;top:0;left:0;right:0;z-index:100;padding:20px 32px;display:flex;align-items:center;justify-content:space-between;backdrop-filter:blur(20px);-webkit-backdrop-filter:blur(20px);background:rgba(19,19,19,0.85);border-bottom:1px solid var(--text-08);transition:background .4s ease}
.nav-brand{font-size:20px;font-weight:900;letter-spacing:-.5px;transition:color .4s ease}
.nav-links{display:flex;gap:28px;list-style:none;align-items:center}
.nav-links a{font-size:13px;font-weight:700;color:var(--text-50);transition:color .3s ease}
.nav-links a:hover{color:var(--text)}
.nav-cta{font-size:13px;font-weight:800;color:var(--bg)!important;background:var(--accent);padding:8px 20px;border-radius:100px;transition:transform .2s ease,box-shadow .3s ease,background .4s ease}
.nav-cta:hover{transform:scale(1.05);box-shadow:0 4px 20px var(--accent-glow-strong)}
.nav-mobile-toggle{display:none;background:none;border:none;color:var(--text);font-size:24px;cursor:pointer}

.container{max-width:var(--max-width);margin:0 auto;padding:0 32px}
section{padding:var(--section-pad) 0;position:relative}

/* Hero */
.hero{min-height:100vh;display:flex;align-items:center;justify-content:center;text-align:center;position:relative;overflow:hidden}
.hero-content{position:relative;z-index:2}
.hero-glow{position:absolute;width:600px;height:600px;border-radius:50%;background:radial-gradient(circle,var(--accent-glow) 0%,transparent 70%);filter:blur(80px);top:50%;left:50%;transform:translate(-50%,-50%);pointer-events:none}
.hero h1{font-size:clamp(48px,8vw,96px);font-weight:900;letter-spacing:-2px;line-height:1.05;animation:fadeUp .8s cubic-bezier(.34,1.4,.64,1) .3s forwards;opacity:0}
.hero h1 .accent{color:var(--accent);transition:color .4s ease}
.hero .subtitle{font-size:clamp(16px,2.5vw,20px);font-weight:700;color:var(--text-50);max-width:520px;margin:20px auto 0;animation:fadeUp .8s cubic-bezier(.34,1.4,.64,1) .7s forwards;opacity:0}
.hero .hero-cta{display:inline-block;margin-top:40px;padding:16px 40px;font-size:18px;font-weight:800;color:var(--bg);background:var(--accent);border-radius:100px;border:none;cursor:pointer;transition:transform .2s ease,box-shadow .3s ease,background .4s ease,color .4s ease;animation:fadeUp .7s cubic-bezier(.34,1.4,.64,1) 1.3s forwards;opacity:0;box-shadow:0 8px 32px var(--accent-glow-strong)}
.hero .hero-cta:hover{transform:scale(1.05);box-shadow:0 12px 48px var(--accent-glow-strong)}
.hero .scroll-hint{position:absolute;bottom:40px;left:50%;transform:translateX(-50%);font-size:12px;font-weight:700;color:var(--text-50);animation:fadeUp .7s ease 2s forwards,float 3s ease-in-out 2.7s infinite;opacity:0}

/* Hook */
.hook{text-align:center;padding:var(--section-pad) 0}
.hook h2{font-size:clamp(28px,4vw,40px);font-weight:900;letter-spacing:-1px;max-width:600px;margin:0 auto}
.hook p{font-size:clamp(14px,2vw,16px);font-weight:700;color:var(--text-50);margin-top:16px;max-width:480px;margin-left:auto;margin-right:auto}
.hook .accent-text{color:var(--accent);margin-top:24px;display:block;transition:color .4s ease}

/* Pillars */
.pillars-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;margin-top:64px}
.pillar-card{background:var(--bg-card);border:1px solid var(--text-08);border-radius:var(--radius);padding:32px 24px;text-align:center;transition:border-color .3s ease,transform .3s ease,box-shadow .3s ease,background .4s ease;position:relative;overflow:hidden}
.pillar-card::before{content:'';position:absolute;top:-40px;left:50%;transform:translateX(-50%);width:120px;height:120px;border-radius:50%;background:radial-gradient(circle,var(--accent-glow) 0%,transparent 70%);filter:blur(40px);opacity:0;transition:opacity .3s ease}
.pillar-card:hover{border-color:var(--accent);transform:translateY(-4px);box-shadow:0 8px 32px rgba(0,0,0,.3)}
.pillar-card:hover::before{opacity:1}
.pillar-icon{width:48px;height:48px;margin:0 auto 20px;border-radius:var(--radius-xs);background:var(--accent);display:flex;align-items:center;justify-content:center;transition:background .4s ease}
.pillar-icon svg{width:22px;height:22px;stroke:var(--bg);fill:none;stroke-width:2.5;stroke-linecap:round;stroke-linejoin:round;transition:stroke .4s ease}
.pillar-card h3{font-size:18px;font-weight:800;margin-bottom:8px}
.pillar-card p{font-size:13px;font-weight:600;color:var(--text-50);line-height:1.6}
.pillar-badge{display:inline-block;font-size:10px;font-weight:800;text-transform:uppercase;letter-spacing:1px;padding:3px 8px;border-radius:100px;margin-bottom:12px;background:var(--accent);color:var(--bg);opacity:.7}

/* Section Headers */
.section-label{font-size:12px;font-weight:800;text-transform:uppercase;letter-spacing:2px;color:var(--accent);margin-bottom:16px;transition:color .4s ease}
.section-title{font-size:clamp(28px,4vw,44px);font-weight:900;letter-spacing:-1px;line-height:1.15}
.section-subtitle{font-size:clamp(14px,2vw,16px);font-weight:700;color:var(--text-50);margin-top:16px;max-width:560px}

/* Feature Sections */
.feature-section{position:relative}
.feature-layout{display:grid;grid-template-columns:1fr 1fr;gap:64px;align-items:center}
.feature-layout.reverse{direction:rtl}
.feature-layout.reverse>*{direction:ltr}
.feature-points{list-style:none;margin-top:32px}
.feature-points li{display:flex;align-items:flex-start;gap:14px;padding:14px 0;border-bottom:1px solid var(--text-08)}
.feature-points li:last-child{border-bottom:none}
.feature-point-icon{width:28px;height:28px;min-width:28px;border-radius:var(--radius-xs);background:var(--accent);display:flex;align-items:center;justify-content:center;margin-top:2px;transition:background .4s ease}
.feature-point-icon svg{width:14px;height:14px;stroke:var(--bg);fill:none;stroke-width:3;stroke-linecap:round;stroke-linejoin:round;transition:stroke .4s ease}
.feature-point-text h4{font-size:15px;font-weight:800}
.feature-point-text p{font-size:13px;font-weight:600;color:var(--text-50);margin-top:2px}

/* Phone Frame with Screenshot */
.feature-visual{position:relative;display:flex;align-items:center;justify-content:center}
.phone-frame{width:280px;position:relative;border-radius:40px;border:3px solid var(--text-15);overflow:hidden;box-shadow:0 24px 80px rgba(0,0,0,.5);background:var(--bg-elevated);transition:border-color .4s ease,background .4s ease}
.phone-frame img{width:100%;display:block;border-radius:37px}
.phone-frame .dev-overlay{position:absolute;inset:0;background:rgba(0,0,0,.6);display:flex;flex-direction:column;align-items:center;justify-content:center;gap:8px;border-radius:37px}
.phone-frame .dev-overlay span{font-size:11px;font-weight:800;text-transform:uppercase;letter-spacing:2px;color:var(--accent);background:rgba(0,0,0,.5);padding:6px 16px;border-radius:100px;border:1px solid var(--accent)}
.phone-dual{display:flex;gap:20px;align-items:flex-start}
.phone-dual .phone-frame{width:220px}
.phone-triple{display:flex;gap:16px;align-items:flex-start}
.phone-triple .phone-frame{width:200px}

/* Mock Phone (CSS-only previews for workouts) */
.mock-phone{width:280px;height:560px;background:var(--bg-elevated);border-radius:40px;border:3px solid var(--text-15);padding:16px;position:relative;overflow:hidden;box-shadow:0 24px 80px rgba(0,0,0,.5);transition:background .4s ease,border-color .4s ease}
.mock-phone::before{content:'';position:absolute;top:12px;left:50%;transform:translateX(-50%);width:100px;height:28px;background:var(--bg);border-radius:20px;z-index:10;transition:background .4s ease}
.mock-screen{width:100%;height:100%;border-radius:28px;overflow:hidden;display:flex;flex-direction:column;padding-top:40px}
.mock-header{padding:12px 16px;display:flex;justify-content:space-between;align-items:center}
.mock-header h5{font-size:14px;font-weight:800;flex:1;text-align:center}
.mock-header .mock-icon{width:28px;height:28px;border-radius:50%;background:var(--text-08);display:flex;align-items:center;justify-content:center;font-size:14px}
.mock-card{margin:4px 12px;padding:12px;background:var(--text-08);border-radius:var(--radius-sm);display:flex;align-items:center;gap:10px}
.mock-card-icon{width:32px;height:32px;border-radius:var(--radius-xs);background:var(--text-08);display:flex;align-items:center;justify-content:center;font-size:14px}
.mock-card-body{flex:1}
.mock-text{font-size:11px;font-weight:700}
.mock-text-dim{font-size:10px;font-weight:600;color:var(--text-50)}
.mock-bar{height:4px;border-radius:2px;background:var(--text-08);margin-top:6px}
.mock-bar-fill{height:100%;border-radius:2px;background:var(--accent);transition:background .4s ease}
.mock-stat{font-size:22px;font-weight:900;color:var(--accent);transition:color .4s ease}

/* Metrics */
.metrics-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;margin-top:48px}
.metric-card{background:var(--bg-card);border:1px solid var(--text-08);border-radius:var(--radius);padding:24px;text-align:center;transition:border-color .3s ease,transform .3s ease,background .4s ease}
.metric-card:hover{border-color:var(--text-15);transform:translateY(-2px)}
.metric-icon{margin-bottom:12px}
.metric-card h4{font-size:14px;font-weight:800}
.metric-card p{font-size:12px;font-weight:600;color:var(--text-50);margin-top:4px}

/* ========== ROADMAP ========== */
.roadmap{padding:var(--section-pad) 0}
.roadmap-track{position:relative;max-width:700px;margin:64px auto 0;padding-left:40px}
.roadmap-item{position:relative;padding-bottom:48px}
.roadmap-item:last-child{padding-bottom:0}
.roadmap-svg{position:absolute;left:0;top:0;width:30px;overflow:visible;pointer-events:none}
.roadmap-node{position:absolute;left:-40px;top:4px;width:30px;height:30px;border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:12px;font-weight:900;z-index:2;transition:background .4s ease,border-color .4s ease,color .4s ease}
.roadmap-node.done{background:var(--accent);color:var(--bg);border:3px solid var(--accent)}
.roadmap-node.in-progress{background:var(--bg-elevated);color:var(--accent);border:3px solid var(--accent);animation:pulse-border 2s ease-in-out infinite}
.roadmap-node.planned{background:var(--bg-elevated);color:var(--text-50);border:3px dashed var(--text-15)}
@keyframes pulse-border{0%,100%{box-shadow:0 0 0 0 var(--accent-glow)}50%{box-shadow:0 0 0 8px transparent}}
.roadmap-content{padding-left:20px}
.roadmap-content h4{font-size:18px;font-weight:800;margin-bottom:4px}
.roadmap-content p{font-size:13px;font-weight:600;color:var(--text-50);line-height:1.6}
.roadmap-status{display:inline-block;font-size:10px;font-weight:800;text-transform:uppercase;letter-spacing:1px;padding:3px 10px;border-radius:100px;margin-top:8px}
.status-done{background:var(--accent);color:var(--bg)}
.status-dev{border:1px solid var(--accent);color:var(--accent)}
.status-planned{border:1px solid var(--text-15);color:var(--text-50)}

/* Themes */
.themes-row{display:flex;gap:10px;margin-top:48px;flex-wrap:wrap;justify-content:center}
.theme-group-label{width:100%;text-align:center;font-size:11px;font-weight:800;text-transform:uppercase;letter-spacing:1.5px;color:var(--text-50);margin-top:16px;margin-bottom:4px}
.theme-group-label:first-child{margin-top:0}
.theme-swatch{width:56px;height:56px;border-radius:var(--radius-sm);cursor:pointer;transition:transform .3s cubic-bezier(.34,1.4,.64,1),box-shadow .3s ease;border:2px solid transparent;position:relative;overflow:hidden}
.theme-swatch:hover{transform:scale(1.15);box-shadow:0 8px 24px rgba(0,0,0,.4)}
.theme-swatch.active{border-color:var(--text);transform:scale(1.1)}
.theme-swatch .swatch-dots{position:absolute;bottom:4px;right:4px;display:flex;gap:2px}
.theme-swatch .swatch-dots span{width:6px;height:6px;border-radius:50%;display:block}
.theme-swatch-name{position:absolute;top:4px;left:5px;font-size:7px;font-weight:800;opacity:.6}
.themes-label{text-align:center;margin-top:20px;font-size:14px;font-weight:700;color:var(--text-50)}
.settings-features{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;margin-top:40px}
.settings-card{background:var(--bg-card);border:1px solid var(--text-08);border-radius:var(--radius);padding:24px;text-align:center;transition:border-color .3s ease,background .4s ease}
.settings-card:hover{border-color:var(--text-15)}
.settings-card h4{font-size:15px;font-weight:800;margin-bottom:6px}
.settings-card p{font-size:13px;font-weight:600;color:var(--text-50)}

/* CTA */
.cta-section{text-align:center;position:relative;overflow:hidden;padding:120px 0 80px}
.cta-section .cta-glow{position:absolute;width:800px;height:400px;border-radius:50%;background:radial-gradient(ellipse,var(--accent-glow) 0%,transparent 70%);filter:blur(80px);bottom:-100px;left:50%;transform:translateX(-50%);pointer-events:none}
.cta-section h2{font-size:clamp(36px,6vw,64px);font-weight:900;letter-spacing:-1.5px;position:relative}
.cta-section .cta-sub{font-size:clamp(14px,2vw,18px);font-weight:700;color:var(--text-50);margin-top:16px;position:relative}
.cta-button{display:inline-block;margin-top:40px;padding:18px 48px;font-size:18px;font-weight:800;color:var(--bg);background:var(--accent);border-radius:100px;border:none;cursor:pointer;transition:transform .2s ease,box-shadow .3s ease,background .4s ease,color .4s ease;box-shadow:0 8px 32px var(--accent-glow-strong);position:relative;font-family:var(--font)}
.cta-button:hover{transform:scale(1.05);box-shadow:0 12px 48px var(--accent-glow-strong)}

footer{padding:40px 32px;text-align:center;border-top:1px solid var(--text-08)}
footer p{font-size:13px;font-weight:600;color:var(--text-50)}
footer a{color:var(--accent);font-weight:700;transition:color .4s ease}

@keyframes fadeUp{from{opacity:0;transform:translateY(30px)}to{opacity:1;transform:translateY(0)}}
@keyframes float{0%,100%{transform:translateX(-50%) translateY(0)}50%{transform:translateX(-50%) translateY(-8px)}}
.reveal{opacity:0;transform:translateY(40px);will-change:opacity,transform}
.reveal-d1{--reveal-delay:.07s}.reveal-d2{--reveal-delay:.14s}.reveal-d3{--reveal-delay:.21s}.reveal-d4{--reveal-delay:.28s}.reveal-d5{--reveal-delay:.35s}

/* ========== MOBILE RESPONSIVE ========== */
@media(max-width:900px){
    .pillars-grid{grid-template-columns:repeat(2,1fr)}
    .feature-layout{grid-template-columns:1fr;gap:40px}
    .feature-layout.reverse{direction:ltr}
    .feature-visual{order:-1}
    .metrics-grid{grid-template-columns:repeat(2,1fr)}
    .settings-features{grid-template-columns:1fr}
    .phone-frame{width:240px}
    .phone-dual .phone-frame{width:180px}
    .phone-dual{gap:12px}
    .phone-triple .phone-frame{width:160px}
    .phone-triple{gap:10px}
    .mock-phone{width:240px;height:480px}
}
@media(max-width:600px){
    .pillars-grid{grid-template-columns:1fr}
    .metrics-grid{grid-template-columns:repeat(2,1fr)}
    nav{padding:16px 20px}
    .nav-links{display:none;flex-direction:column;position:absolute;top:100%;left:0;right:0;background:var(--bg-elevated);padding:20px;gap:16px;border-bottom:1px solid var(--text-08)}
    .nav-links.open{display:flex}
    .nav-mobile-toggle{display:block}
    .container{padding:0 20px}
    .hero h1{letter-spacing:-1px}
    .phone-frame{width:220px;border-radius:32px}
    .phone-frame img{border-radius:29px}
    .phone-dual{flex-direction:column;align-items:center;gap:20px}
    .phone-dual .phone-frame{width:220px;margin-top:0!important}
    .phone-triple{flex-direction:column;align-items:center;gap:20px}
    .phone-triple .phone-frame{width:240px}
    .mock-phone{width:220px;height:440px;border-radius:32px}
    .mock-phone::before{width:80px;height:24px;top:10px}
    .themes-row{gap:6px}
    .theme-swatch{width:44px;height:44px}
    .theme-swatch-name{font-size:6px}
    .settings-features{grid-template-columns:1fr}
    .metrics-grid{grid-template-columns:1fr}
    .roadmap-content h4{font-size:16px}
    .roadmap-content p{font-size:12px}
}

/* Extra small phones */
@media(max-width:380px){
    .hero h1{font-size:36px}
    .hero .subtitle{font-size:14px}
    .hero .hero-cta{padding:14px 32px;font-size:16px}
    .section-title{font-size:24px}
    .theme-swatch{width:36px;height:36px}
    .phone-triple .phone-frame,.phone-dual .phone-frame,.phone-frame{width:200px}
}

/* ========== UTILITY CLASSES ========== */
.text-center{text-align:center}
.mt-10{margin-top:10px}
.mt-16{margin-top:16px}
.mt-20{margin-top:20px}
.mt-32{margin-top:32px}
.mt-40{margin-top:40px}
.mt-64{margin-top:64px}
.mt-80{margin-top:80px}
.fw-800{font-weight:800}

/* ========== COMPONENT CLASSES ========== */
.hero-beta-wrapper{margin-top:16px;animation:fadeUp .7s cubic-bezier(.34,1.4,.64,1) 1.6s forwards;opacity:0}
.hero-beta-link{font-size:14px;font-weight:700;color:var(--accent);transition:color .4s ease}
.section-subtitle-centered{margin:16px auto 0;text-align:center}
.section-subtitle-wide{margin:16px auto 0;text-align:center;max-width:580px}
.label-suffix{opacity:.5;font-size:10px;letter-spacing:1px}
.mock-header-spacer{width:28px}
.mock-card-icon-num{background:var(--accent);color:var(--bg);font-size:10px;font-weight:900}
.mock-timer-section{text-align:center;padding:20px 12px}
.mock-timer-value{font-size:32px}
.mock-bar-53{width:53%}
.workouts-overlay{position:absolute;inset:0;background:rgba(0,0,0,.55);display:flex;flex-direction:column;align-items:center;justify-content:center;gap:8px;border-radius:37px}
.workouts-overlay-badge{font-size:11px;font-weight:800;text-transform:uppercase;letter-spacing:2px;color:var(--accent);background:rgba(0,0,0,.5);padding:6px 16px;border-radius:100px;border:1px solid var(--accent)}
.themes-header{text-align:center;margin-top:80px}
.themes-title{font-size:24px;font-weight:900;letter-spacing:-.5px}
.themes-hint{font-size:14px;font-weight:700;color:var(--text-50);margin-top:8px}
.themes-more{text-align:center;margin-top:20px;font-size:14px;font-weight:700;color:var(--text-50)}
.footer-heart{color:var(--accent);transition:color .4s ease}

/* ========== THEME SWATCH CLASSES ========== */
.swatch-light{background:#F1F1F1}
.swatch-light .theme-swatch-name{color:#131313}
.swatch-light .swatch-dots span:nth-child(1){background:#C8C8C8}
.swatch-light .swatch-dots span:nth-child(2){background:#131313}

.swatch-dark{background:#131313}
.swatch-dark .theme-swatch-name{color:#F1F1F1}
.swatch-dark .swatch-dots span:nth-child(1){background:#2A2A2A}
.swatch-dark .swatch-dots span:nth-child(2){background:#F1F1F1}

.swatch-desert{background:#272727}
.swatch-desert .theme-swatch-name{color:#F1F1F1}
.swatch-desert .swatch-dots span:nth-child(1){background:#D4AA7D}
.swatch-desert .swatch-dots span:nth-child(2){background:#EFD09E}

.swatch-pine{background:#1F2A24}
.swatch-pine .theme-swatch-name{color:#F1F1F1}
.swatch-pine .swatch-dots span:nth-child(1){background:#5B7768}
.swatch-pine .swatch-dots span:nth-child(2){background:#DAE3D7}

.swatch-golden{background:#4D3F29}
.swatch-golden .theme-swatch-name{color:#F1F1F1}
.swatch-golden .swatch-dots span:nth-child(1){background:#C49A6C}
.swatch-golden .swatch-dots span:nth-child(2){background:#FFF3D1}

.swatch-obsidian{background:#0D0D0D}
.swatch-obsidian .theme-swatch-name{color:#E8E8F0}
.swatch-obsidian .swatch-dots span:nth-child(1){background:#1A1A2E}
.swatch-obsidian .swatch-dots span:nth-child(2){background:#7C5CFC}

.swatch-kiwi{background:#222222}
.swatch-kiwi .theme-swatch-name{color:#F0F0F0}
.swatch-kiwi .swatch-dots span:nth-child(1){background:#2E2E2E}
.swatch-kiwi .swatch-dots span:nth-child(2){background:#89E900}

.swatch-cyprus{background:#004643}
.swatch-cyprus .theme-swatch-name{color:#F0EDE5}
.swatch-cyprus .swatch-dots span:nth-child(1){background:#0A5E5A}
.swatch-cyprus .swatch-dots span:nth-child(2){background:#F0EDE5}

.swatch-urban{background:#1E1E1E}
.swatch-urban .theme-swatch-name{color:#DFE6E9}
.swatch-urban .swatch-dots span:nth-child(1){background:#636E72}
.swatch-urban .swatch-dots span:nth-child(2){background:#D63031}