:root {
  --bg: #07101a;
  --bg-2: #0a1420;
  --surface: rgba(15, 28, 43, 0.72);
  --surface-solid: #0d1a28;
  --surface-2: #102235;
  --text: #f5f8fb;
  --muted: #91a3b8;
  --accent: #2dd4bf;
  --accent-2: #60a5fa;
  --border: rgba(148, 163, 184, 0.16);
  --shadow: 0 24px 80px rgba(0,0,0,.28);
  --radius: 24px;
  --header: 76px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: calc(var(--header) + 18px); }
body {
  margin: 0;
  font-family: 'Inter', sans-serif;
  background: var(--bg);
  color: var(--text);
  overflow-x: hidden;
  line-height: 1.6;
}
body.menu-open { overflow: hidden; }
a { color: inherit; }
img { display: block; max-width: 100%; }
button, a { -webkit-tap-highlight-color: transparent; }
::selection { background: rgba(45,212,191,.28); color: white; }

.background-grid {
  position: fixed;
  inset: 0;
  z-index: -3;
  pointer-events: none;
  background-image: linear-gradient(rgba(255,255,255,.023) 1px, transparent 1px), linear-gradient(90deg, rgba(255,255,255,.023) 1px, transparent 1px);
  background-size: 48px 48px;
  mask-image: linear-gradient(to bottom, black, transparent 80%);
}

.container-wide { width: min(1180px, calc(100% - 48px)); margin-inline: auto; }
.section { position: relative; padding: 110px 0; }
.section-soft { background: linear-gradient(180deg, rgba(13,26,40,.56), rgba(7,16,26,.68)); border-block: 1px solid rgba(148,163,184,.07); }

.site-header {
  position: fixed;
  inset: 0 0 auto 0;
  height: var(--header);
  z-index: 1000;
  background: rgba(7,16,26,.72);
  backdrop-filter: blur(18px);
  border-bottom: 1px solid rgba(148,163,184,.10);
  transition: .3s ease;
}
.site-header.scrolled { background: rgba(7,16,26,.93); box-shadow: 0 10px 40px rgba(0,0,0,.2); }
.navbar { height: 100%; display: flex; align-items: center; justify-content: space-between; }
.brand { display: inline-flex; align-items: center; text-decoration: none; font-family: 'Space Grotesk', sans-serif; font-weight: 700; letter-spacing: -.5px; }
.brand-mark { display: grid; place-items: center; width: 42px; height: 42px; border-radius: 12px; background: linear-gradient(135deg, var(--accent), #21a6c9); color: #041014; box-shadow: 0 10px 30px rgba(45,212,191,.18); }
.brand-text { padding-left: 0; font-size: 1.08rem; letter-spacing: .04em; }
.nav-menu { display: flex; align-items: center; gap: 30px; list-style: none; padding: 0; margin: 0; }
.nav-link { position: relative; text-decoration: none; color: #aebccc; font-size: .88rem; font-weight: 600; transition: .25s; }
.nav-link::after { content: ''; position: absolute; left: 0; right: 100%; bottom: -9px; height: 2px; background: var(--accent); transition: .25s; }
.nav-link:hover, .nav-link.active { color: white; }
.nav-link:hover::after, .nav-link.active::after { right: 0; }
.nav-contact { padding: 10px 15px; border: 1px solid rgba(45,212,191,.35); border-radius: 11px; color: var(--accent); }
.nav-contact::after { display: none; }
.menu-toggle { display: none; width: 44px; height: 44px; padding: 10px; border: 1px solid var(--border); border-radius: 12px; background: rgba(255,255,255,.03); cursor: pointer; }
.menu-toggle span { display: block; height: 2px; width: 100%; background: white; margin: 5px 0; transition: .3s; border-radius: 99px; }
.menu-toggle.active span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.menu-toggle.active span:nth-child(2) { opacity: 0; }
.menu-toggle.active span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

.hero { min-height: 100vh; display: flex; align-items: center; padding-top: calc(var(--header) + 70px); overflow: hidden; }
.hero-grid { display: grid; grid-template-columns: 1.12fr .88fr; gap: 72px; align-items: center; }
.hero-orb { position: absolute; border-radius: 50%; filter: blur(5px); opacity: .24; pointer-events: none; }
.hero-orb-one { width: 520px; height: 520px; right: -220px; top: 80px; background: radial-gradient(circle, rgba(45,212,191,.36), transparent 68%); }
.hero-orb-two { width: 400px; height: 400px; left: -220px; bottom: -80px; background: radial-gradient(circle, rgba(96,165,250,.24), transparent 70%); }
.eyebrow, .panel-status { display: inline-flex; align-items: center; gap: 9px; padding: 8px 12px; border: 1px solid rgba(45,212,191,.2); background: rgba(45,212,191,.06); border-radius: 999px; font-size: .78rem; color: #b8eee5; font-weight: 600; }
.status-dot { width: 8px; height: 8px; border-radius: 50%; background: var(--accent); box-shadow: 0 0 0 5px rgba(45,212,191,.10), 0 0 16px rgba(45,212,191,.6); animation: pulse 2s infinite; }
@keyframes pulse { 50% { opacity: .55; } }
.hero-kicker { color: var(--muted); margin: 28px 0 4px; font-size: 1.06rem; }
.hero h1 { font-family: 'Space Grotesk', sans-serif; font-size: clamp(3.4rem, 7vw, 5.9rem); line-height: .97; letter-spacing: -.055em; margin: 0; max-width: 780px; }
.hero h1 span, .section-heading h2 span, .achievement-copy h2 span, .contact-copy h2 span { color: var(--accent); }
.hero h2 { margin: 22px 0 18px; font-size: clamp(1.15rem, 2vw, 1.45rem); font-weight: 600; color: #d8e2ec; }
.slash { color: var(--accent); margin-inline: 5px; }
.hero-description { max-width: 650px; color: var(--muted); font-size: 1.03rem; margin: 0; }
.hero-actions { display: flex; gap: 14px; flex-wrap: wrap; margin-top: 34px; }
.btn { display: inline-flex; align-items: center; justify-content: center; gap: 10px; min-height: 50px; padding: 0 20px; text-decoration: none; border-radius: 13px; font-size: .9rem; font-weight: 700; transition: .25s ease; }
.btn-primary { background: linear-gradient(135deg, var(--accent), #26bdd0); color: #041014; box-shadow: 0 14px 35px rgba(45,212,191,.16); }
.btn-primary:hover { transform: translateY(-3px); box-shadow: 0 20px 45px rgba(45,212,191,.24); }
.btn-secondary { border: 1px solid var(--border); background: rgba(255,255,255,.035); color: #e9f1f8; }
.btn-secondary:hover { border-color: rgba(45,212,191,.42); background: rgba(45,212,191,.06); }
.btn.full { width: 100%; margin-top: 8px; }
.hero-socials { display: flex; gap: 10px; margin-top: 30px; }
.hero-socials a { display: grid; place-items: center; width: 42px; height: 42px; border-radius: 12px; background: rgba(255,255,255,.035); border: 1px solid var(--border); color: #aab9c7; text-decoration: none; transition: .25s; }
.hero-socials a:hover { color: var(--accent); border-color: rgba(45,212,191,.35); transform: translateY(-3px); }
.hero-visual { display: flex; justify-content: center; }
.portrait-shell { position: relative; width: min(420px, 100%); aspect-ratio: 1 / 1.08; display: grid; place-items: center; }
.portrait-ring { position: absolute; width: 86%; aspect-ratio: 1; border: 1px solid rgba(45,212,191,.26); border-radius: 50%; background: radial-gradient(circle, rgba(45,212,191,.15), rgba(96,165,250,.06) 43%, transparent 72%); box-shadow: inset 0 0 60px rgba(45,212,191,.08); }
.portrait-ring::before, .portrait-ring::after { content:''; position:absolute; inset: 8%; border: 1px dashed rgba(96,165,250,.22); border-radius:50%; animation: spin 22s linear infinite; }
.portrait-ring::after { inset: -6%; border-style: solid; border-color: rgba(45,212,191,.08); animation-direction: reverse; }
@keyframes spin { to { transform: rotate(360deg); } }
.portrait { position: relative; z-index: 2; width: 74%; aspect-ratio: 1; object-fit: cover; object-position: center top; border-radius: 50%; border: 7px solid #0b1825; box-shadow: 0 30px 70px rgba(0,0,0,.35), 0 0 0 1px rgba(45,212,191,.16); }
.floating-card { position: absolute; z-index: 4; display: flex; align-items: center; gap: 9px; padding: 11px 14px; border-radius: 13px; background: rgba(10,24,36,.88); border: 1px solid rgba(148,163,184,.18); backdrop-filter: blur(10px); box-shadow: 0 14px 38px rgba(0,0,0,.24); font-size: .77rem; font-weight: 700; color: #dbe7ef; }
.floating-card i { color: var(--accent); }
.card-code { left: -3%; top: 24%; }
.card-design { right: -4%; bottom: 19%; }

.section-heading { max-width: 680px; margin-bottom: 46px; }
.section-heading.centered { text-align: center; margin-inline: auto; }
.section-label { display: inline-block; margin-bottom: 13px; color: var(--accent); font-size: .75rem; letter-spacing: .16em; font-weight: 800; }
.section-heading h2, .achievement-copy h2, .contact-copy h2 { font-family: 'Space Grotesk', sans-serif; font-size: clamp(2.2rem, 4vw, 3.6rem); line-height: 1.08; letter-spacing: -.035em; margin: 0 0 16px; }
.section-heading p { color: var(--muted); margin: 0; }
.about-grid { display: grid; grid-template-columns: .82fr 1.18fr; gap: 90px; align-items: start; }
.about-copy { font-size: 1.02rem; color: #aab8c7; }
.about-copy p:first-child { margin-top: 5px; }
.about-copy strong { color: white; }
.about-points { display: grid; grid-template-columns: 1fr 1fr; gap: 14px 24px; margin-top: 30px; }
.about-points div { display:flex; gap:10px; align-items:flex-start; color:#d8e2eb; font-size:.9rem; }
.about-points i { color: var(--accent); margin-top: 5px; }

.skills-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 20px; }
.skill-group { padding: 30px; border: 1px solid var(--border); border-radius: var(--radius); background: linear-gradient(145deg, rgba(16,34,53,.78), rgba(10,22,34,.76)); box-shadow: 0 16px 50px rgba(0,0,0,.13); transition: .3s; }
.skill-group:hover { transform: translateY(-5px); border-color: rgba(45,212,191,.28); }
.skill-icon { display:grid; place-items:center; width:48px; height:48px; border-radius:14px; background: rgba(45,212,191,.08); border: 1px solid rgba(45,212,191,.15); color: var(--accent); font-size: 1.15rem; }
.skill-group h3 { margin: 20px 0 16px; font-family:'Space Grotesk',sans-serif; font-size:1.18rem; }
.skill-tags { display:flex; flex-wrap:wrap; gap:9px; }
.skill-tags span, .project-tech span { padding: 7px 10px; border-radius: 9px; border: 1px solid rgba(148,163,184,.13); background: rgba(255,255,255,.027); color: #aebdcc; font-size: .75rem; font-weight: 600; }

.projects-grid { display:grid; grid-template-columns: repeat(3,1fr); gap: 18px; }
.project-card { min-height: 360px; border:1px solid var(--border); border-radius:var(--radius); padding: 25px; background: linear-gradient(155deg, rgba(16,34,53,.82), rgba(9,20,31,.9)); display:flex; flex-direction:column; transition:.3s ease; overflow:hidden; position:relative; }
.project-card::before { content:''; position:absolute; width:180px; height:180px; border-radius:50%; right:-100px; top:-100px; background:rgba(45,212,191,.07); filter:blur(8px); transition:.3s; }
.project-card:hover { transform:translateY(-7px); border-color:rgba(45,212,191,.3); box-shadow:0 24px 60px rgba(0,0,0,.2); }
.project-card:hover::before { transform:scale(1.25); }
.project-card.featured { border-color: rgba(45,212,191,.25); }
.project-top { display:flex; align-items:center; justify-content:space-between; }
.project-top i { font-size:1.45rem; color:var(--accent); }
.project-number { font-family:'Space Grotesk',sans-serif; color:#668095; font-size:.75rem; letter-spacing:.12em; font-weight:700; }
.project-content { display:flex; flex-direction:column; flex:1; padding-top: 52px; }
.project-type { color: var(--accent); font-size:.68rem; font-weight:800; letter-spacing:.12em; }
.project-card h3 { font-family:'Space Grotesk',sans-serif; font-size:1.45rem; letter-spacing:-.02em; margin:10px 0; }
.project-card p { color:var(--muted); font-size:.91rem; margin:0 0 18px; }
.project-tech { display:flex; flex-wrap:wrap; gap:7px; margin-top:auto; }
.project-links { padding-top:21px; margin-top:21px; border-top:1px solid rgba(148,163,184,.10); }
.project-links a { display:flex; align-items:center; justify-content:space-between; text-decoration:none; color:#e6eef5; font-size:.82rem; font-weight:700; transition:.2s; }
.project-links a:hover { color:var(--accent); }

.achievement-card { display:grid; grid-template-columns:auto 1fr auto; gap:32px; align-items:center; padding:42px; border-radius:30px; border:1px solid rgba(45,212,191,.22); background: linear-gradient(110deg, rgba(45,212,191,.08), rgba(16,34,53,.78) 38%, rgba(96,165,250,.06)); box-shadow: var(--shadow); overflow:hidden; }
.achievement-icon { width:78px; height:78px; display:grid; place-items:center; border-radius:22px; background:linear-gradient(135deg, rgba(45,212,191,.18),rgba(96,165,250,.10)); border:1px solid rgba(45,212,191,.22); color:var(--accent); font-size:2rem; }
.achievement-copy h2 { font-size:clamp(1.65rem,3vw,2.55rem); margin-bottom:10px; }
.achievement-copy p { color:var(--muted); margin:0; }
.achievement-badge { text-align:right; padding-left:26px; border-left:1px solid var(--border); }
.achievement-badge span { display:block; color:var(--muted); font-size:.68rem; letter-spacing:.15em; }
.achievement-badge strong { font-family:'Space Grotesk',sans-serif; color:var(--accent); font-size:1rem; letter-spacing:.08em; }

.contact-grid { display:grid; grid-template-columns:1.05fr .95fr; gap:70px; align-items:center; }
.contact-copy p { color:var(--muted); max-width:620px; }
.contact-methods { display:grid; gap:12px; margin-top:30px; }
.contact-methods > a { display:grid; grid-template-columns:auto 1fr auto; align-items:center; gap:14px; padding:14px; text-decoration:none; border:1px solid var(--border); border-radius:15px; background:rgba(255,255,255,.025); transition:.25s; }
.contact-methods > a:hover { border-color:rgba(45,212,191,.3); transform:translateX(4px); }
.contact-icon { width:42px; height:42px; display:grid; place-items:center; border-radius:12px; background:rgba(45,212,191,.08); color:var(--accent); }
.contact-methods small { display:block; color:var(--muted); font-size:.7rem; }
.contact-methods strong { display:block; font-size:.84rem; margin-top:1px; }
.contact-methods > a > i { color:#678095; }
.contact-panel { padding:32px; border:1px solid var(--border); border-radius:26px; background:linear-gradient(155deg, rgba(16,34,53,.88), rgba(8,19,30,.92)); box-shadow:var(--shadow); }
.contact-panel h3 { font-family:'Space Grotesk',sans-serif; font-size:1.35rem; margin:23px 0 15px; }
.contact-panel ul { list-style:none; padding:0; margin:0 0 26px; display:grid; gap:13px; }
.contact-panel li { color:#b9c6d2; font-size:.88rem; display:flex; gap:10px; }
.contact-panel li i { color:var(--accent); margin-top:4px; }

.footer { padding:70px 0 24px; background:#050b12; border-top:1px solid rgba(148,163,184,.09); }
.footer-top { display:grid; grid-template-columns:1.2fr .8fr; gap:80px; padding-bottom:50px; }
.footer-brand { margin-bottom:16px; }
.footer-top > div:first-child > p { color:var(--muted); max-width:460px; margin:0; font-size:.9rem; }
.footer-links { display:grid; grid-template-columns:1fr 1fr; gap:50px; }
.footer-links h4 { margin:0 0 14px; font-size:.82rem; color:#e8f0f6; }
.footer-links div { display:flex; flex-direction:column; gap:8px; }
.footer-links a { text-decoration:none; color:var(--muted); font-size:.8rem; transition:.2s; }
.footer-links a:hover { color:var(--accent); }
.footer-bottom { display:flex; justify-content:space-between; gap:20px; padding-top:24px; border-top:1px solid rgba(148,163,184,.09); color:#718397; font-size:.75rem; }
.footer-bottom p { margin:0; }
.footer-bottom strong { color:#b6c4d0; }
.back-to-top { position:fixed; right:22px; bottom:22px; width:44px; height:44px; border:1px solid rgba(45,212,191,.22); border-radius:13px; background:rgba(10,24,36,.88); color:var(--accent); backdrop-filter:blur(12px); cursor:pointer; opacity:0; visibility:hidden; transform:translateY(12px); transition:.25s; z-index:900; }
.back-to-top.show { opacity:1; visibility:visible; transform:none; }

.reveal { opacity:0; transform:translateY(24px); transition: opacity .7s ease, transform .7s ease; }
.reveal.visible { opacity:1; transform:none; }

@media (max-width: 1040px) {
  .hero-grid { grid-template-columns:1fr .72fr; gap:35px; }
  .projects-grid { grid-template-columns:repeat(2,1fr); }
  .contact-grid { gap:42px; }
}

@media (max-width: 820px) {
  :root { --header:70px; }
  .container-wide { width:min(100% - 32px, 1180px); }
  .section { padding:82px 0; }
  .menu-toggle { display:block; }
  .nav-menu { position:fixed; top:var(--header); left:0; right:0; min-height:calc(100dvh - var(--header)); padding:30px 24px 50px; flex-direction:column; align-items:stretch; gap:5px; background:rgba(7,16,26,.98); transform:translateX(100%); opacity:0; visibility:hidden; transition:.32s ease; }
  .nav-menu.active { transform:none; opacity:1; visibility:visible; }
  .nav-link { display:block; padding:15px 8px; font-size:1rem; border-bottom:1px solid rgba(148,163,184,.08); }
  .nav-link::after { display:none; }
  .nav-contact { margin-top:10px; text-align:center; border:1px solid rgba(45,212,191,.28); }
  .hero { min-height:auto; padding-top:calc(var(--header) + 70px); padding-bottom:85px; }
  .hero-grid { grid-template-columns:1fr; gap:55px; }
  .hero-copy { text-align:center; }
  .eyebrow { margin-inline:auto; }
  .hero-description { margin-inline:auto; }
  .hero-actions, .hero-socials { justify-content:center; }
  .hero-visual { order:-1; }
  .portrait-shell { width:min(340px,88vw); }
  .card-code { left:0; }
  .card-design { right:0; }
  .about-grid, .contact-grid { grid-template-columns:1fr; gap:38px; }
  .section-heading { margin-bottom:34px; }
  .achievement-card { grid-template-columns:auto 1fr; }
  .achievement-badge { grid-column:2; text-align:left; padding:13px 0 0; border-left:0; border-top:1px solid var(--border); }
  .footer-top { grid-template-columns:1fr; gap:38px; }
}

@media (max-width: 600px) {
  .container-wide { width:min(100% - 24px, 1180px); }
  .section { padding:68px 0; }
  .brand-mark { width:38px; height:38px; border-radius:11px; font-size:.9rem; }
  .brand-text { font-size:.92rem; }
  .hero { padding-top:calc(var(--header) + 46px); }
  .hero h1 { font-size:clamp(2.75rem,14vw,4.2rem); }
  .hero h2 { line-height:1.45; }
  .hero-actions { display:grid; grid-template-columns:1fr; }
  .btn { width:100%; }
  .portrait-shell { width:min(310px,92vw); }
  .portrait { width:72%; border-width:5px; }
  .floating-card { font-size:.68rem; padding:9px 10px; }
  .card-code { top:19%; left:-1%; }
  .card-design { bottom:15%; right:-1%; }
  .section-heading h2, .contact-copy h2 { font-size:2.3rem; }
  .about-points { grid-template-columns:1fr; }
  .skills-grid, .projects-grid { grid-template-columns:1fr; }
  .skill-group, .project-card { border-radius:20px; }
  .project-card { min-height:335px; }
  .achievement-card { grid-template-columns:1fr; padding:28px; text-align:left; }
  .achievement-icon { width:62px; height:62px; border-radius:18px; }
  .achievement-badge { grid-column:1; }
  .contact-panel { padding:24px; }
  .footer-links { gap:28px; }
  .footer-bottom { flex-direction:column; }
}

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