:root {
  --bg: #f5f7fb;
  --surface: #ffffff;
  --surface-2: #edf1f8;
  --ink: #0b1020;
  --muted: #65708a;
  --line: rgba(11, 16, 32, 0.1);
  --accent: #5c63ff;
  --accent-2: #12b7a4;
  --dark: #0b1020;
  --dark-2: #121936;
  --white: #f9fbff;
  --shadow: 0 18px 60px rgba(30, 39, 76, 0.12);
  --radius: 28px;
  --header-h: 78px;
}

html[data-theme="dark"] {
  --bg: #090e1c;
  --surface: #11182a;
  --surface-2: #0f1627;
  --ink: #f5f7ff;
  --muted: #a5aec3;
  --line: rgba(255, 255, 255, 0.1);
  --shadow: 0 18px 60px rgba(0, 0, 0, 0.28);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: var(--header-h); }
body {
  margin: 0;
  font-family: Inter, ui-sans-serif, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  color: var(--ink);
  background: var(--bg);
  line-height: 1.65;
  overflow-x: hidden;
  transition: background .25s ease, color .25s ease;
}
a { color: inherit; text-decoration: none; }
button { font: inherit; }
code { font-size: .9em; padding: .18rem .42rem; border-radius: 7px; background: var(--surface-2); }

.noise {
  position: fixed;
  inset: 0;
  pointer-events: none;
  opacity: .035;
  z-index: 20;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 180 180' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.9' numOctaves='3' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='.9'/%3E%3C/svg%3E");
}

.site-header {
  position: fixed;
  inset: 0 0 auto 0;
  height: var(--header-h);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding: 0 clamp(20px, 5vw, 72px);
  z-index: 50;
  border-bottom: 1px solid transparent;
  transition: .25s ease;
}
.site-header.scrolled {
  background: color-mix(in srgb, var(--bg) 84%, transparent);
  backdrop-filter: blur(18px);
  border-color: var(--line);
}
.brand { display: inline-flex; align-items: center; gap: 12px; min-width: 210px; }
.brand-mark {
  display: grid;
  place-items: center;
  width: 42px;
  height: 42px;
  border-radius: 13px;
  font-family: Manrope, Inter, ui-sans-serif, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  font-size: .78rem;
  font-weight: 800;
  letter-spacing: -.03em;
  color: white;
  background: linear-gradient(145deg, var(--accent), var(--accent-2));
  box-shadow: 0 10px 28px rgba(92, 99, 255, .25);
}
.brand-copy { display: flex; flex-direction: column; line-height: 1.2; }
.brand-copy strong { font-size: .95rem; letter-spacing: -.02em; }
.brand-copy small { margin-top: 3px; font-size: .67rem; color: var(--muted); text-transform: uppercase; letter-spacing: .12em; }
.desktop-nav { display: flex; align-items: center; gap: 6px; padding: 5px; border: 1px solid var(--line); border-radius: 999px; background: color-mix(in srgb, var(--surface) 75%, transparent); }
.desktop-nav a { padding: 8px 14px; border-radius: 999px; font-size: .82rem; font-weight: 600; color: var(--muted); transition: .2s ease; }
.desktop-nav a:hover, .desktop-nav a.active { color: var(--ink); background: var(--surface-2); }
.header-actions { display: flex; gap: 8px; justify-content: flex-end; min-width: 210px; }
.icon-btn, .menu-btn { width: 42px; height: 42px; border: 1px solid var(--line); border-radius: 13px; background: var(--surface); color: var(--ink); cursor: pointer; }
.icon-btn { font-size: 1.2rem; }
.menu-btn { display: none; padding: 0 11px; }
.menu-btn span { display: block; height: 1px; background: currentColor; margin: 5px 0; transition: .2s ease; }
.mobile-menu { display: none; }

.section { position: relative; padding: clamp(95px, 12vw, 160px) clamp(20px, 6vw, 92px); }
.section-soft { background: var(--surface-2); }
.section-dark { background: var(--dark); color: var(--white); overflow: hidden; }
.section-dark::before { content: ""; position: absolute; width: 560px; height: 560px; border-radius: 50%; left: -180px; bottom: -320px; background: rgba(92, 99, 255, .16); filter: blur(15px); }
.hero { min-height: 100svh; display: grid; align-items: center; padding-top: calc(var(--header-h) + 50px); overflow: hidden; }
.hero-grid { width: min(1450px, 100%); margin: 0 auto; display: grid; grid-template-columns: 1.08fr .92fr; align-items: center; gap: clamp(40px, 7vw, 100px); }
.hero-copy { position: relative; z-index: 2; }
.eyebrow, .section-kicker { display: inline-flex; align-items: center; gap: 9px; font-weight: 700; text-transform: uppercase; letter-spacing: .13em; font-size: .72rem; color: var(--accent); }
.status-dot { width: 8px; height: 8px; border-radius: 50%; background: #31d0aa; box-shadow: 0 0 0 6px rgba(49, 208, 170, .12); }
h1, h2, h3 { font-family: Manrope, Inter, ui-sans-serif, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif; margin: 0; letter-spacing: -.05em; line-height: 1.03; }
h1 { max-width: 900px; margin-top: 22px; font-size: clamp(3.4rem, 7vw, 7.4rem); font-weight: 800; }
h1 span, .section-head h2 span, .contact-panel h2 span { color: var(--accent); }
.hero-lead { max-width: 690px; margin: 28px 0 0; color: var(--muted); font-size: clamp(1rem, 1.5vw, 1.22rem); }
.hero-lead strong { color: var(--ink); }
.hero-actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 34px; }
.btn { min-height: 50px; display: inline-flex; align-items: center; justify-content: center; gap: 12px; padding: 0 19px; border-radius: 14px; font-weight: 700; font-size: .9rem; transition: transform .2s ease, box-shadow .2s ease; }
.btn:hover { transform: translateY(-2px); }
.btn-primary { color: #fff; background: var(--ink); box-shadow: 0 14px 35px rgba(11, 16, 32, .17); }
html[data-theme="dark"] .btn-primary { color: #0b1020; background: #f5f7ff; }
.section-dark .btn-primary { color: #0b1020; background: white; }
.btn-secondary { border: 1px solid var(--line); background: var(--surface); }
.quick-stats { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); max-width: 620px; gap: 8px; margin-top: 48px; }
.stat { padding: 16px 12px 14px 0; border-top: 1px solid var(--line); }
.stat strong { display: block; font-family: Manrope, Inter, ui-sans-serif, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif; font-size: 1.38rem; letter-spacing: -.04em; }
.stat span { display: block; margin-top: 4px; color: var(--muted); font-size: .74rem; text-transform: uppercase; letter-spacing: .08em; }

.hero-visual { min-height: 580px; display: grid; place-items: center; position: relative; }
.profile-orbit { position: relative; width: min(500px, 90vw); aspect-ratio: 1; display: grid; place-items: center; }
.profile-orbit::before { content: ""; position: absolute; inset: 7%; border-radius: 50%; background: radial-gradient(circle at 35% 28%, rgba(92,99,255,.28), transparent 38%), radial-gradient(circle at 66% 70%, rgba(18,183,164,.2), transparent 40%); filter: blur(2px); }
.orbit { position: absolute; inset: 8%; border-radius: 50%; border: 1px solid var(--line); }
.orbit-a { animation: spin 22s linear infinite; }
.orbit-a::before { content: ""; position: absolute; width: 13px; height: 13px; border-radius: 50%; top: 13%; left: 11%; background: var(--accent); box-shadow: 0 0 0 8px rgba(92,99,255,.12); }
.orbit-b { inset: 0; border-style: dashed; opacity: .6; animation: spin 38s linear reverse infinite; }
@keyframes spin { to { transform: rotate(360deg); } }
.glass { background: color-mix(in srgb, var(--surface) 78%, transparent); backdrop-filter: blur(18px); border: 1px solid var(--line); box-shadow: var(--shadow); }
.profile-card { position: relative; z-index: 2; width: min(350px, 74vw); padding: 28px; border-radius: 28px; }
.avatar { width: 70px; height: 70px; display: grid; place-items: center; border-radius: 21px; color: #fff; background: linear-gradient(145deg, var(--accent), var(--accent-2)); font-family: Manrope, Inter, ui-sans-serif, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif; font-weight: 800; font-size: 1.25rem; }
.profile-label { margin: 22px 0 8px; color: var(--muted); font-size: .84rem; }
.profile-card h2 { font-size: clamp(1.8rem, 3vw, 2.45rem); }
.mini-row { display: flex; justify-content: space-between; gap: 20px; padding-top: 14px; margin-top: 18px; border-top: 1px solid var(--line); font-size: .76rem; }
.mini-row span { color: var(--muted); }
.mini-row strong { text-align: right; }
.floating-chip { position: absolute; z-index: 3; padding: 10px 14px; border-radius: 999px; border: 1px solid var(--line); background: var(--surface); box-shadow: var(--shadow); font-weight: 700; font-size: .74rem; }
.chip-one { left: 3%; top: 25%; animation: float 4.6s ease-in-out infinite; }
.chip-two { right: 0; top: 46%; animation: float 5.4s ease-in-out infinite reverse; }
.chip-three { left: 16%; bottom: 13%; animation: float 4.9s ease-in-out infinite .6s; }
@keyframes float { 50% { transform: translateY(-10px); } }
.hero-glow { position: absolute; border-radius: 50%; filter: blur(90px); pointer-events: none; opacity: .4; }
.glow-one { width: 340px; height: 340px; background: rgba(92,99,255,.22); right: 7%; top: 12%; }
.glow-two { width: 280px; height: 280px; background: rgba(18,183,164,.18); left: 4%; bottom: 6%; }
.scroll-cue { position: absolute; left: 50%; bottom: 25px; transform: translateX(-50%); display: inline-flex; align-items: center; gap: 10px; color: var(--muted); font-size: .7rem; text-transform: uppercase; letter-spacing: .13em; }
.scroll-cue span { width: 24px; height: 38px; border: 1px solid var(--line); border-radius: 20px; position: relative; }
.scroll-cue span::after { content: ""; position: absolute; width: 3px; height: 7px; border-radius: 3px; background: var(--accent); left: 50%; top: 8px; transform: translateX(-50%); animation: scrollDot 1.7s ease-in-out infinite; }
@keyframes scrollDot { 70%, 100% { opacity: 0; transform: translate(-50%, 13px); } }

.section-head { width: min(1100px, 100%); margin: 0 auto 54px; }
.section-head.split { width: min(1450px, 100%); display: grid; grid-template-columns: 1.25fr .75fr; align-items: end; gap: 45px; }
.section-head h2 { margin-top: 15px; font-size: clamp(2.3rem, 5vw, 5rem); }
.section-head > p, .section-head.split > p { max-width: 720px; margin: 22px 0 0; color: var(--muted); }
.section-head.split > p { margin: 0; }
.section-dark .section-head > p, .section-dark .section-head.split > p { color: #9da7c0; }

.about-grid { width: min(1250px, 100%); margin: 0 auto; display: grid; grid-template-columns: 1.15fr .85fr; gap: 18px; }
.feature-card { position: relative; min-height: 310px; padding: 32px; border: 1px solid var(--line); border-radius: var(--radius); background: var(--surface); overflow: hidden; }
.feature-card.large { grid-row: span 2; padding: clamp(34px, 5vw, 58px); }
.feature-card h3 { margin-top: 38px; font-size: clamp(1.65rem, 3vw, 2.6rem); }
.feature-card p { color: var(--muted); }
.card-index { position: absolute; top: 24px; right: 26px; font-family: Manrope, Inter, ui-sans-serif, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif; color: var(--muted); font-size: .8rem; }
.principles { display: grid; gap: 10px; margin-top: 38px; }
.principle { display: flex; align-items: center; gap: 14px; padding: 14px 0; border-top: 1px solid var(--line); font-weight: 700; }
.principle span { width: 34px; height: 34px; flex: 0 0 auto; display: grid; place-items: center; border-radius: 10px; color: var(--accent); background: color-mix(in srgb, var(--accent) 10%, transparent); font-size: .75rem; }
.quote-mark { margin-top: 25px; font-family: Georgia, serif; font-size: 4.4rem; line-height: .8; color: var(--accent); }
blockquote { margin: 10px 0 0; font-family: Manrope, Inter, ui-sans-serif, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif; font-size: 1.18rem; font-weight: 700; line-height: 1.5; }
.tag-cloud { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 28px; }
.tag-cloud span, .project-tags span { padding: 7px 10px; border-radius: 999px; border: 1px solid var(--line); font-size: .72rem; font-weight: 600; }

.capability-grid { width: min(1450px, 100%); margin: 0 auto; display: grid; grid-template-columns: repeat(3, minmax(0,1fr)); gap: 14px; }
.capability-card { min-height: 280px; padding: 28px; border: 1px solid var(--line); border-radius: 24px; background: var(--surface); transition: transform .25s ease, box-shadow .25s ease; }
.capability-card:hover { transform: translateY(-5px); box-shadow: var(--shadow); }
.capability-icon { width: 46px; height: 46px; display: grid; place-items: center; border-radius: 14px; font-size: 1.25rem; background: var(--surface-2); }
.capability-card h3 { margin-top: 50px; font-size: 1.45rem; }
.capability-card p { color: var(--muted); font-size: .91rem; }
.capability-card .meta { display: flex; justify-content: space-between; margin-top: 26px; padding-top: 13px; border-top: 1px solid var(--line); color: var(--muted); font-size: .68rem; text-transform: uppercase; letter-spacing: .1em; }

.project-stack { width: min(1300px, 100%); margin: 0 auto; display: grid; gap: 20px; }
.project-card { position: relative; display: grid; grid-template-columns: .75fr 1.25fr; gap: 50px; padding: clamp(28px, 5vw, 62px); border: 1px solid rgba(255,255,255,.1); border-radius: 30px; background: rgba(255,255,255,.045); }
.project-no { color: #8c96ae; font-size: .75rem; letter-spacing: .13em; text-transform: uppercase; }
.project-card h3 { margin-top: 20px; font-size: clamp(2rem, 4.4vw, 4.4rem); }
.project-copy p { margin-top: 0; color: #aeb7cb; }
.project-outcome { margin-top: 25px; padding: 18px; border-radius: 18px; background: rgba(255,255,255,.055); }
.project-outcome strong { display: block; font-size: .75rem; text-transform: uppercase; letter-spacing: .1em; color: #d5dcf0; }
.project-outcome span { display: block; margin-top: 6px; color: #aeb7cb; }
.project-tags { display: flex; flex-wrap: wrap; gap: 7px; margin-top: 22px; }
.project-tags span { border-color: rgba(255,255,255,.12); color: #d5dcf0; }

.timeline { width: min(1100px, 100%); margin: 0 auto; position: relative; }
.timeline::before { content: ""; position: absolute; left: 18px; top: 18px; bottom: 18px; width: 1px; background: var(--line); }
.timeline-item { position: relative; display: grid; grid-template-columns: 130px 1fr; gap: 38px; padding: 0 0 55px 55px; }
.timeline-item:last-child { padding-bottom: 0; }
.timeline-dot { position: absolute; left: 11px; top: 7px; width: 15px; height: 15px; border-radius: 50%; border: 4px solid var(--bg); background: var(--accent); box-shadow: 0 0 0 1px var(--accent); }
.section-soft .timeline-dot { border-color: var(--surface-2); }
.timeline-period { color: var(--muted); font-size: .75rem; text-transform: uppercase; letter-spacing: .11em; padding-top: 4px; }
.timeline-content { padding-bottom: 30px; border-bottom: 1px solid var(--line); }
.timeline-content h3 { font-size: 1.4rem; }
.timeline-content p { margin: 10px 0 0; color: var(--muted); }

.insight-grid { width: min(1300px, 100%); margin: 0 auto; display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 15px; }
.insight-card { display: flex; flex-direction: column; min-height: 330px; padding: 28px; border-radius: 25px; background: var(--surface); border: 1px solid var(--line); }
.insight-card .category { color: var(--accent); font-size: .68rem; font-weight: 800; letter-spacing: .12em; text-transform: uppercase; }
.insight-card h3 { margin-top: 42px; font-size: 1.6rem; line-height: 1.18; }
.insight-card p { color: var(--muted); font-size: .9rem; }
.insight-card .read-more { margin-top: auto; padding-top: 24px; border-top: 1px solid var(--line); font-weight: 700; font-size: .78rem; }

.contact-section { padding-bottom: 35px; }
.contact-panel { width: min(1450px, 100%); margin: 0 auto; padding: clamp(30px, 6vw, 70px); border-radius: 34px; background: var(--dark); color: var(--white); display: grid; grid-template-columns: 1.2fr .8fr; gap: 60px; align-items: end; }
.contact-panel h2 { margin-top: 16px; font-size: clamp(2.5rem, 5.7vw, 5.8rem); }
.contact-panel p { max-width: 700px; margin-top: 22px; color: #aeb7cb; }
.contact-actions { display: grid; gap: 18px; justify-items: start; }
.contact-actions .btn { min-height: 58px; min-width: min(100%, 300px); }
.social-row { display: flex; flex-wrap: wrap; gap: 18px; color: #bdc6db; font-size: .83rem; }
.social-row a:hover { color: #fff; }
footer { width: min(1450px, 100%); margin: 32px auto 0; display: flex; justify-content: space-between; gap: 30px; color: var(--muted); font-size: .73rem; }
footer p { margin: 0; }

.reveal { opacity: 0; transform: translateY(20px); transition: opacity .7s ease, transform .7s ease; }
.reveal.visible { opacity: 1; transform: translateY(0); }
.delay-1 { transition-delay: .08s; }
.delay-2 { transition-delay: .16s; }

@media (max-width: 1050px) {
  .desktop-nav { display: none; }
  .header-actions { min-width: auto; }
  .menu-btn { display: block; }
  .mobile-menu { position: fixed; z-index: 45; top: calc(var(--header-h) + 8px); right: 20px; width: min(280px, calc(100vw - 40px)); display: grid; padding: 12px; border: 1px solid var(--line); border-radius: 18px; background: var(--surface); box-shadow: var(--shadow); opacity: 0; transform: translateY(-8px) scale(.98); pointer-events: none; transition: .2s ease; }
  .mobile-menu.open { opacity: 1; transform: none; pointer-events: auto; }
  .mobile-menu a { padding: 13px 14px; border-radius: 11px; font-weight: 700; font-size: .88rem; }
  .mobile-menu a:hover { background: var(--surface-2); }
  .hero-grid, .contact-panel { grid-template-columns: 1fr; }
  .hero { min-height: auto; padding-top: 150px; }
  .hero-visual { min-height: 500px; }
  .scroll-cue { display: none; }
  .section-head.split { grid-template-columns: 1fr; gap: 18px; }
  .capability-grid, .insight-grid { grid-template-columns: repeat(2, minmax(0,1fr)); }
  .project-card { grid-template-columns: 1fr; gap: 24px; }
}

@media (max-width: 720px) {
  :root { --header-h: 68px; --radius: 22px; }
  .site-header { padding: 0 16px; }
  .brand-mark { width: 38px; height: 38px; border-radius: 12px; }
  .brand-copy strong { font-size: .86rem; }
  .brand-copy small { display: none; }
  .brand { min-width: 0; }
  .icon-btn, .menu-btn { width: 38px; height: 38px; border-radius: 12px; }
  .section { padding: 85px 18px; }
  .hero { padding-top: 118px; padding-bottom: 80px; }
  h1 { font-size: clamp(3.1rem, 15vw, 5rem); }
  .hero-lead { font-size: 1rem; }
  .hero-actions { display: grid; }
  .btn { width: 100%; }
  .quick-stats { grid-template-columns: 1fr; gap: 0; margin-top: 35px; }
  .stat { display: flex; align-items: baseline; justify-content: space-between; }
  .stat strong { font-size: 1.15rem; }
  .hero-visual { min-height: 420px; margin-top: 20px; }
  .profile-orbit { width: min(390px, 100%); }
  .profile-card { width: min(290px, 76vw); padding: 22px; }
  .avatar { width: 60px; height: 60px; border-radius: 18px; }
  .mini-row { display: grid; gap: 3px; }
  .mini-row strong { text-align: left; }
  .floating-chip { padding: 8px 10px; font-size: .65rem; }
  .about-grid, .capability-grid, .insight-grid { grid-template-columns: 1fr; }
  .feature-card.large { grid-row: auto; }
  .section-head { margin-bottom: 35px; }
  .section-head h2 { font-size: clamp(2.25rem, 11vw, 3.4rem); }
  .feature-card { min-height: auto; padding: 25px; }
  .feature-card.large { padding: 28px; }
  .capability-card { min-height: 240px; }
  .project-card { padding: 26px; border-radius: 24px; }
  .project-card h3 { font-size: 2.25rem; }
  .timeline::before { left: 10px; }
  .timeline-item { grid-template-columns: 1fr; gap: 8px; padding-left: 35px; }
  .timeline-dot { left: 3px; }
  .timeline-period { padding-top: 0; }
  .contact-panel { gap: 30px; border-radius: 26px; }
  .contact-panel h2 { font-size: clamp(2.4rem, 12vw, 4rem); }
  footer { flex-direction: column; gap: 10px; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation: none !important; transition-duration: .01ms !important; }
  .reveal { opacity: 1; transform: none; }
}