/* Serebra — Lavender + Teal Redesign */

*,*::before,*::after{margin:0;padding:0;box-sizing:border-box}

/* ── Design Tokens ── */
:root{
  /* Fonts */
  --serif:"DM Serif Display",serif;
  --sans:"DM Sans",sans-serif;
  --brand:"Syne",sans-serif;

  /* Layout */
  --max:1100px;
  --nav:64px;
  --pill:100px;
  --r:16px;
  --ease:cubic-bezier(.16,1,.3,1);

  /* Colors — Lavender + Teal */
  --bg:#f8f7ff;
  --surface:#ffffff;
  --text:#1e1b4b;
  --text-sec:#6b7280;
  --text-dim:#9ca3af;
  --accent:#0d9488;
  --accent-h:#0f766e;
  --accent-appintel:#0d9488;
  --accent-dikeyvideo:#6366f1;
  --cta-bg:#1e1b4b;
  --cta-text:#f8f7ff;
  --border:rgba(0,0,0,0.06);
  --border-h:rgba(0,0,0,0.1);
  --card-shadow:0 2px 12px rgba(0,0,0,0.06);
  --card-shadow-hover:0 24px 60px rgba(0,0,0,0.1);
  --nav-bg:rgba(248,247,255,0.88);
  --glow-teal:rgba(13,148,136,0.1);
  --glow-indigo:rgba(99,102,241,0.1)
}

html{scroll-behavior:smooth;-webkit-font-smoothing:antialiased}
body{font-family:var(--sans);background:var(--bg);color:var(--text);font-size:16px;line-height:1.7;overflow-x:hidden}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
button{font-family:inherit;cursor:pointer;border:none;background:none;color:inherit}
.wrap{max-width:var(--max);margin:0 auto;padding:0 24px}

h1,h2{font-family:var(--serif);font-weight:400;line-height:1.1}
h1 em,h2 em{font-style:italic;color:var(--accent)}
h3{font-family:var(--sans);font-weight:600;line-height:1.3}

/* ── Reveal animations ── */
.reveal{opacity:0;transform:translateY(36px);transition:opacity .9s var(--ease),transform .9s var(--ease)}
.reveal.visible{opacity:1;transform:none}
.reveal-stagger>*{opacity:0;transform:translateY(24px);transition:opacity .7s var(--ease),transform .7s var(--ease)}
.reveal-stagger.visible>*{opacity:1;transform:none}
.reveal-stagger.visible>*:nth-child(1){transition-delay:0s}
.reveal-stagger.visible>*:nth-child(2){transition-delay:.1s}
.reveal-stagger.visible>*:nth-child(3){transition-delay:.15s}
.reveal-stagger.visible>*:nth-child(4){transition-delay:.2s}

/* ═══ NAV ═══ */
.nav{position:fixed;top:0;left:0;right:0;z-index:100;height:var(--nav);background:var(--bg);transition:background .3s ease,border .3s ease,backdrop-filter .3s ease}
.nav.scrolled{background:var(--nav-bg);backdrop-filter:blur(20px);-webkit-backdrop-filter:blur(20px);border-bottom:1px solid var(--border)}
.nav-inner{display:flex;align-items:center;justify-content:space-between;height:100%}
.logo{font-family:var(--brand);font-weight:800;font-size:22px;letter-spacing:-.5px}
.logo span{color:var(--accent)}
.logo--sm{font-size:18px}
.nav-links{display:flex;align-items:center;gap:24px}
.nav-links a{font-size:14px;font-weight:500;color:var(--text-sec);transition:color .2s}
.nav-links a:hover{color:var(--text)}

.lang-btn{font-size:11px;font-weight:600;color:var(--text-dim);padding:4px 12px;border-radius:var(--pill);border:1px solid var(--border-h);transition:all .2s;letter-spacing:.5px}
.lang-btn:hover{background:var(--text);color:var(--bg);border-color:var(--text)}

a.nav-cta,a.nav-cta:hover{color:#f8f7ff}
.nav-cta{font-family:var(--sans);font-size:13px;font-weight:600;padding:8px 22px;border-radius:var(--pill);background:#1e1b4b;transition:all .25s var(--ease)}
.nav-cta:hover{background:#0f766e;transform:translateY(-1px);box-shadow:0 4px 20px rgba(13,148,136,0.3)}

.burger{display:none;flex-direction:column;gap:6px;padding:8px}
.burger span{display:block;width:20px;height:1.5px;background:var(--text);transition:all .3s;transform-origin:center}
.burger.active span:first-child{transform:rotate(45deg) translate(5px,5px)}
.burger.active span:last-child{transform:rotate(-45deg) translate(5px,-5px)}
.mobile-nav{display:none;position:fixed;top:var(--nav);left:0;right:0;bottom:0;background:var(--bg);z-index:99;padding:40px 24px;flex-direction:column;gap:24px}
.mobile-nav.open{display:flex}
.mobile-nav a{font-family:var(--serif);font-size:36px}
.mobile-nav-foot{display:flex;gap:12px;margin-top:auto;padding-bottom:40px}

/* ═══ HERO ═══ */
.hero{min-height:100vh;display:flex;align-items:center;position:relative;padding:calc(var(--nav) + 60px) 0 80px}
.hero-glow{position:absolute;top:10%;right:10%;width:500px;height:500px;border-radius:50%;background:radial-gradient(circle,var(--glow-teal),transparent 70%);filter:blur(80px);pointer-events:none;animation:glow 8s ease-in-out infinite}
@keyframes glow{0%,100%{opacity:.5;transform:scale(1)}50%{opacity:.8;transform:scale(1.06)}}

.hero-content{position:relative;z-index:1;display:grid;grid-template-columns:1fr 1fr;gap:48px;align-items:center}
.hero-text{max-width:540px}

.hero-badge{display:inline-flex;align-items:center;gap:8px;padding:6px 16px;background:rgba(13,148,136,0.08);border:1px solid rgba(13,148,136,0.12);border-radius:var(--pill);margin-bottom:28px}
.hero-badge-dot{width:6px;height:6px;border-radius:50%;background:var(--accent);box-shadow:0 0 10px var(--accent)}
.hero-badge-text{font-size:12px;font-weight:600;color:var(--accent);letter-spacing:1.5px;text-transform:uppercase}

.hero-title{font-size:56px;letter-spacing:-.02em;margin-bottom:24px}

.hero-sub{font-size:18px;line-height:1.7;color:var(--text-sec);max-width:460px;margin-bottom:36px}

.hero-btns{display:flex;align-items:center;gap:12px}
.btn{display:inline-flex;align-items:center;gap:8px;font-family:var(--sans);font-size:14px;font-weight:600;padding:13px 28px;border-radius:var(--pill);background:var(--cta-bg);color:var(--cta-text);transition:all .3s var(--ease)}
.btn:hover{background:var(--accent);transform:translateY(-2px);box-shadow:0 8px 32px var(--glow-teal)}
.btn--ghost{background:transparent;color:var(--text-sec);border:1.5px solid var(--border-h)}
.btn--ghost:hover{color:var(--text);border-color:var(--text);background:transparent;box-shadow:none}
.btn--white{background:var(--surface);color:var(--text)}
.btn--white:hover{box-shadow:0 8px 32px rgba(0,0,0,0.1)}

.hero-visual{position:relative;display:flex;justify-content:center;align-items:center;padding:20px}
.hero-visual img{max-width:100%;height:auto;border-radius:20px;box-shadow:0 24px 80px rgba(30,27,75,0.12),0 8px 24px rgba(13,148,136,0.08);border:1px solid rgba(99,102,241,0.08)}
.hero-visual-placeholder{width:100%;aspect-ratio:1;background:linear-gradient(135deg,rgba(13,148,136,0.06),rgba(99,102,241,0.06));border-radius:24px;border:1px solid var(--border);display:flex;align-items:center;justify-content:center}

/* ═══ PRODUCTS ═══ */
.work{padding:0 0 120px}

.card{border-radius:20px;position:relative;overflow:hidden;border:1px solid var(--border);background:var(--surface);box-shadow:var(--card-shadow);transition:transform .4s var(--ease),box-shadow .4s var(--ease)}
.card+.card{margin-top:24px}
.card:hover{transform:translateY(-4px);box-shadow:var(--card-shadow-hover)}

.card-glow{position:absolute;width:350px;height:350px;border-radius:50%;filter:blur(120px);opacity:.12;pointer-events:none;top:-80px;right:-40px}
.card-glow--teal{background:var(--accent-appintel)}
.card-glow--indigo{background:var(--accent-dikeyvideo)}

.card-body{position:relative;z-index:1;display:grid;grid-template-columns:.9fr 1.1fr;gap:40px;align-items:center;padding:52px 48px}
.card-body--rev{grid-template-columns:1.1fr .9fr}
.card-body--rev .card-text{order:2}
.card-body--rev .card-visual{order:1}

.card-logo{width:44px;height:44px;margin-bottom:18px}
.card-logo--dv{width:36px;height:auto}

.card-name{font-family:var(--serif);font-size:clamp(36px,4.5vw,54px);font-weight:400;font-style:italic;letter-spacing:-.01em;line-height:1;margin-bottom:8px}
.card-tag{font-size:11px;font-weight:600;letter-spacing:1.5px;text-transform:uppercase;color:var(--text-dim);margin-bottom:18px}
.card-desc{font-size:15px;line-height:1.7;color:var(--text-sec);margin-bottom:24px;max-width:400px}
.card-feats{list-style:none;display:flex;flex-direction:column;gap:10px;margin-bottom:28px}
.card-feats li{display:flex;align-items:center;gap:10px;font-size:14px;font-weight:500;color:var(--text-sec)}
.pip{width:6px;height:6px;border-radius:50%;flex-shrink:0;background:var(--pip);box-shadow:0 0 8px var(--pip)}

.card-link{display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:600;padding:10px 24px;border-radius:var(--pill);border:1px solid var(--border-h);color:var(--text-sec);transition:all .3s var(--ease)}
.card-link:hover{background:var(--bg);border-color:var(--border-h);transform:translateY(-2px);color:var(--text)}

.card-visual{position:relative;display:flex;justify-content:center;align-items:center;min-height:280px}

/* ── AppIntel dash ── */
.dash{width:100%;max-width:360px;background:var(--surface);border:1px solid var(--border);border-radius:14px;overflow:hidden;box-shadow:0 12px 40px rgba(0,0,0,0.06)}
.dash-bar{display:flex;gap:5px;padding:10px 14px;border-bottom:1px solid var(--border)}
.dash-bar i{width:7px;height:7px;border-radius:50%;font-style:normal}
.dash-bar i:nth-child(1){background:#ff5f57}.dash-bar i:nth-child(2){background:#ffbd2e}.dash-bar i:nth-child(3){background:#28c840}
.dash-body{display:flex;min-height:190px}
.dash-side{width:40px;border-right:1px solid var(--border);padding:10px 7px;display:flex;flex-direction:column;gap:6px}
.dash-si{width:100%;aspect-ratio:1;border-radius:5px;background:rgba(0,0,0,0.03)}
.dash-si--on{background:rgba(13,148,136,.15);box-shadow:0 0 8px rgba(13,148,136,.1)}
.dash-main{flex:1;padding:13px;display:flex;flex-direction:column;gap:8px}
.row{display:flex;align-items:center;gap:8px}
.row-l{font-size:9px;font-weight:500;color:var(--text-dim);width:44px;flex-shrink:0}
.track{flex:1;display:flex;height:5px;border-radius:3px;overflow:hidden;gap:1px}
.fill{display:block;height:100%;border-radius:3px;font-weight:normal;width:0;animation:bf 1.2s var(--ease) forwards}
.row:nth-child(1) .fill{animation-delay:.3s}.row:nth-child(2) .fill{animation-delay:.45s}
.row:nth-child(3) .fill{animation-delay:.6s}.row:nth-child(4) .fill{animation-delay:.75s}
@keyframes bf{to{width:var(--w)}}
.fill--g{background:#34d399}.fill--y{background:#fbbf24}.fill--r{background:#f87171}
.mini-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:3px;margin-top:6px}
.mg{display:block;height:10px;border-radius:2px;text-decoration:none}
.mg--g{background:rgba(52,211,153,.2)}.mg--y{background:rgba(251,191,36,.15)}.mg--r{background:rgba(248,113,113,.1)}

.float{position:absolute;background:var(--surface);backdrop-filter:blur(16px);border:1px solid var(--border);border-radius:10px;padding:11px 14px;box-shadow:0 8px 32px rgba(0,0,0,0.06)}
.float--review{top:6px;left:-16px;max-width:170px;animation:fl-a 6s ease-in-out infinite}
.float--badge{bottom:14px;right:-8px;background:linear-gradient(135deg,rgba(99,102,241,.08),rgba(13,148,136,.06));border-color:rgba(99,102,241,.12);display:flex;flex-direction:column;align-items:center;gap:1px;animation:fl-b 5s ease-in-out infinite}
@keyframes fl-a{0%,100%{transform:translateY(0) rotate(-.5deg)}50%{transform:translateY(-8px) rotate(.3deg)}}
@keyframes fl-b{0%,100%{transform:translateY(0) rotate(.5deg)}50%{transform:translateY(-6px) rotate(-.3deg)}}
.float-stars{font-size:10px;color:#fbbf24;margin-bottom:3px;letter-spacing:1px}
.float-txt{font-size:10px;line-height:1.5;color:var(--text-dim);font-style:italic;display:block}
.float-num{font-family:var(--sans);font-size:20px;font-weight:700;letter-spacing:-.5px;color:var(--accent-dikeyvideo)}
.float-lbl{font-size:9px;font-weight:600;color:var(--text-dim);text-transform:uppercase;letter-spacing:.5px}

/* ── DikeyVideo ── */
.dv{display:flex;align-items:center;gap:16px;width:100%}
.dv-src{flex-shrink:0;width:125px}
.dv-frame{aspect-ratio:16/9;background:rgba(0,0,0,0.03);border:1px solid var(--border);border-radius:10px;position:relative;overflow:hidden;box-shadow:0 8px 28px rgba(0,0,0,0.06)}
.dv-ppl{display:flex;align-items:center;justify-content:center;gap:10px;width:100%;height:100%}
.dv-p{width:20px;height:20px;border-radius:50%;font-style:normal}
.dv-p--a{background:linear-gradient(135deg,#fbbf24,#f59e0b)}
.dv-p--b{background:linear-gradient(135deg,#fb7185,#f43f5e)}
.dv-play{position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);width:28px;height:28px;border-radius:50%;background:rgba(99,102,241,.85);display:flex;align-items:center;justify-content:center;box-shadow:0 4px 14px rgba(99,102,241,.25);animation:pp 2.5s ease-in-out infinite}
.dv-play svg{width:12px;height:12px}
@keyframes pp{0%,100%{transform:translate(-50%,-50%) scale(1)}50%{transform:translate(-50%,-50%) scale(1.08)}}
.dv-tl{position:absolute;bottom:0;left:0;right:0;height:2px;background:rgba(0,0,0,0.04)}
.dv-prog{height:100%;background:linear-gradient(90deg,var(--accent-dikeyvideo),#a78bfa);border-radius:0 2px 2px 0;animation:tl 5s ease-in-out infinite}
@keyframes tl{0%{width:0}80%,100%{width:68%}}
.dv-lbl{position:absolute;top:4px;left:4px;font-size:7px;font-weight:700;padding:1px 4px;border-radius:2px;background:rgba(0,0,0,.08);color:var(--text-dim)}
.dv-mid{display:flex;flex-direction:column;align-items:center;gap:4px;flex-shrink:0}
.dv-line{width:1px;height:16px;background:linear-gradient(180deg,transparent,rgba(13,148,136,.25),transparent)}
.dv-spark{width:24px;height:24px;border-radius:6px;background:rgba(13,148,136,.08);border:1px solid rgba(13,148,136,.12);display:flex;align-items:center;justify-content:center;color:var(--accent);animation:spk 3s ease-in-out infinite}
.dv-spark svg{width:12px;height:12px}
@keyframes spk{0%,100%{transform:scale(1);box-shadow:0 0 0 transparent}50%{transform:scale(1.08);box-shadow:0 0 12px rgba(13,148,136,.15)}}
.dv-out{display:flex;gap:7px;flex:1}
.dv-cl{flex:1;aspect-ratio:9/16;background:rgba(0,0,0,0.02);border:1px solid var(--border);border-radius:9px;position:relative;overflow:hidden;display:flex;flex-direction:column;align-items:center;padding:7px;box-shadow:0 4px 16px rgba(0,0,0,0.04);transition:transform .3s var(--ease)}
.dv-cl:hover{transform:translateY(-3px)}
.dv-cl--best{border-color:rgba(13,148,136,.18)}
.dv-cl-p{width:18px;height:18px;border-radius:50%;margin-top:18%;margin-bottom:auto;font-style:normal}
.dv-sub{position:absolute;bottom:12px;left:7px;right:7px;display:flex;flex-direction:column;gap:3px}
.dv-sub span{display:block;height:3px;background:rgba(0,0,0,0.04);border-radius:2px;width:100%}
.dv-sc{position:absolute;top:5px;right:5px;font-size:8px;font-weight:700;font-style:normal;background:rgba(0,0,0,0.03);padding:2px 6px;border-radius:4px;color:var(--text-dim)}
.dv-sc--best{background:rgba(13,148,136,.08);color:var(--accent)}
.dv-ring{position:absolute;inset:-1px;border-radius:9px;border:1.5px solid rgba(13,148,136,.15);animation:rng 3s ease-in-out infinite;pointer-events:none}
@keyframes rng{0%,100%{opacity:.3}50%{opacity:.6}}

/* ═══ SERVICES ═══ */
.services{padding:120px 0;border-top:1px solid var(--border)}
.sec-title{font-size:clamp(32px,4.5vw,48px);margin-bottom:60px;max-width:600px}
.svc-list{display:flex;flex-direction:column}
.svc{display:flex;gap:24px;align-items:flex-start;padding:28px 0;border-top:1px solid var(--border);transition:padding .3s ease}
.svc:hover{padding-left:8px}
.svc-icon{width:40px;height:40px;flex-shrink:0;color:var(--accent)}
.svc-name{font-size:18px;font-weight:600;margin-bottom:6px}
.svc-desc{font-size:14px;line-height:1.65;color:var(--text-sec);max-width:480px}

/* ═══ APPROACH ═══ */
.approach{padding:120px 0;border-top:1px solid var(--border)}
.approach-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:32px;margin-top:60px}
.approach-item{padding:32px;background:var(--surface);border-radius:var(--r);border:1px solid var(--border);transition:transform .3s var(--ease),box-shadow .3s var(--ease)}
.approach-item:hover{transform:translateY(-4px);box-shadow:var(--card-shadow-hover)}
.approach-icon{width:48px;height:48px;margin-bottom:20px;color:var(--accent)}
.approach-icon svg{width:100%;height:100%}
.approach-name{font-size:18px;font-weight:600;margin-bottom:8px}
.approach-desc{font-size:14px;line-height:1.65;color:var(--text-sec)}

/* ═══ CTA ═══ */
.cta{padding:0 0 120px}
.cta-box{background:linear-gradient(135deg,#1e1b4b,#0f766e);color:var(--cta-text);border-radius:24px;padding:80px 52px;text-align:center;position:relative;overflow:hidden}
.cta-box::before{content:"";position:absolute;inset:0;background:radial-gradient(ellipse at 30% 0%,rgba(255,255,255,.06),transparent 60%);pointer-events:none}
.cta-title{font-size:clamp(32px,4.5vw,52px);margin:0 auto 14px;max-width:560px;position:relative;z-index:1}
.cta-title em{font-style:italic;color:rgba(255,255,255,.5)}
.cta-sub{font-size:16px;line-height:1.7;color:rgba(255,255,255,.5);max-width:460px;margin:0 auto 36px;position:relative;z-index:1}
.cta .btn{position:relative;z-index:1}

/* ═══ FOOTER ═══ */
.foot{padding:32px 0;border-top:1px solid var(--border)}
.foot-inner{display:flex;align-items:center;justify-content:space-between;gap:20px;flex-wrap:wrap}
.foot-links{display:flex;gap:20px}
.foot-links a{font-size:13px;color:var(--text-dim);transition:color .2s}
.foot-links a:hover{color:var(--text)}
.foot-copy{font-size:12px;color:var(--text-dim)}

/* ═══ RESPONSIVE ═══ */
@media(max-width:1024px){
  .card-body,.card-body--rev{gap:28px;padding:40px 32px}
  .approach-grid{grid-template-columns:1fr;max-width:480px}
}
@media(max-width:768px){
  .wrap{padding:0 20px}
  .nav-links{display:none}.burger{display:flex}
  .hero{min-height:auto;padding:calc(var(--nav) + 40px) 0 56px}
  .hero-content{grid-template-columns:1fr}
  .hero-title{font-size:36px}
  .hero-visual{display:none}
  .work{padding:0 0 72px}
  .card-body,.card-body--rev{grid-template-columns:1fr;gap:28px;padding:28px 24px}
  .card-body--rev .card-text{order:1}.card-body--rev .card-visual{order:2}
  .card-visual{min-height:200px}
  .float--review{left:0}.float--badge{right:0}
  .services{padding:80px 0}
  .approach{padding:80px 0}
  .approach-grid{grid-template-columns:1fr;max-width:100%}
  .cta{padding:0 0 72px}.cta-box{padding:48px 24px}
  .foot-inner{flex-direction:column;text-align:center}.foot-links{justify-content:center}
}
@media(max-width:480px){
  .hero-btns{flex-direction:column;width:100%}
  .btn{width:100%;justify-content:center}
}