:root {
  --bg: #030406;
  --panel: rgba(255, 255, 255, 0.075);
  --panel-strong: rgba(255, 255, 255, 0.12);
  --text: #f5f7fb;
  --muted: #a8afbd;
  --soft: #d7dbe6;
  --line: rgba(255, 255, 255, 0.16);
  --blue: #58a6ff;
  --cyan: #64f4ff;
  --silver: #dfe7f6;
  --orange: #ff9f45;
  --radius: 28px;
  --shadow: 0 30px 90px rgba(0, 0, 0, 0.48);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-height: 100vh;
  color: var(--text);
  background:
    radial-gradient(circle at 24% 6%, rgba(88, 166, 255, 0.22), transparent 30rem),
    radial-gradient(circle at 83% 17%, rgba(255, 159, 69, 0.15), transparent 32rem),
    linear-gradient(180deg, #020307 0%, #07090f 46%, #030406 100%);
  font-family: Inter, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  overflow-x: hidden;
}

body.menu-open {
  overflow: hidden;
}

a {
  color: inherit;
  text-decoration: none;
}

img {
  max-width: 100%;
  display: block;
}

.ambient-canvas {
  position: fixed;
  inset: 0;
  z-index: -2;
  opacity: 0.58;
}

.page-transition {
  position: fixed;
  inset: 0;
  z-index: 999;
  pointer-events: none;
  background: #030406;
  opacity: 0;
  transform: translateY(100%);
  transition: transform 520ms cubic-bezier(0.2, 0.85, 0.25, 1), opacity 520ms ease;
}

.page-transition.active {
  opacity: 0.9;
  transform: translateY(0);
}

.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  padding: 18px clamp(18px, 4vw, 56px);
}

.nav-shell {
  width: min(1180px, 100%);
  min-height: 54px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 22px;
  padding: 10px 12px 10px 18px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: rgba(9, 12, 18, 0.72);
  box-shadow: 0 18px 50px rgba(0, 0, 0, 0.28);
  backdrop-filter: blur(24px);
}

.brand-mark {
  width: 38px;
  height: 38px;
  display: grid;
  place-items: center;
  border-radius: 50%;
  background: linear-gradient(135deg, #f8fbff, #8fa4bd);
  color: #05070a;
  font-weight: 900;
  letter-spacing: 0;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: clamp(12px, 2vw, 26px);
  color: rgba(245, 247, 251, 0.72);
  font-size: 0.9rem;
  font-weight: 600;
}

.nav-links a {
  transition: color 180ms ease, text-shadow 180ms ease;
}

.nav-links a:hover,
.nav-links a.active {
  color: #fff;
  text-shadow: 0 0 20px rgba(100, 244, 255, 0.48);
}

.nav-toggle {
  display: none;
  width: 42px;
  height: 42px;
  border: 0;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.08);
  cursor: pointer;
}

.nav-toggle span {
  display: block;
  width: 18px;
  height: 2px;
  margin: 5px auto;
  background: #fff;
  border-radius: 99px;
  transition: transform 220ms ease;
}

.section {
  width: min(1180px, calc(100% - 36px));
  margin: 0 auto;
  padding: clamp(88px, 12vw, 148px) 0;
  scroll-margin-top: 98px;
}

.hero {
  min-height: 100vh;
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  align-items: center;
  gap: clamp(36px, 6vw, 90px);
  padding-top: 134px;
}

.eyebrow {
  margin: 0 0 16px;
  color: var(--cyan);
  font-size: 0.82rem;
  font-weight: 800;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

h1,
h2,
h3,
p {
  margin-top: 0;
}

h1 {
  margin-bottom: 14px;
  font-size: clamp(4.7rem, 11vw, 10.5rem);
  line-height: 0.86;
  font-weight: 900;
  letter-spacing: 0;
  background: linear-gradient(180deg, #fff 0%, #d6deef 48%, #818fa6 100%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

h2 {
  margin-bottom: 0;
  max-width: 880px;
  font-size: clamp(2.35rem, 5vw, 5.5rem);
  line-height: 1;
  font-weight: 900;
  letter-spacing: 0;
}

h3 {
  margin-bottom: 12px;
  font-size: clamp(1.22rem, 2vw, 1.7rem);
  line-height: 1.14;
}

.hero-line {
  margin-bottom: 22px;
  color: #fff;
  font-size: clamp(1.35rem, 2.6vw, 2.45rem);
  font-weight: 800;
  line-height: 1.1;
}

.hero-intro {
  max-width: 650px;
  color: var(--soft);
  font-size: clamp(1.02rem, 1.6vw, 1.24rem);
  line-height: 1.75;
}

.hero-actions,
.contact-links {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 32px;
}

.button,
.contact-links a {
  display: inline-flex;
  min-height: 48px;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: 13px 22px;
  font-weight: 800;
  transition: transform 220ms ease, box-shadow 220ms ease, border-color 220ms ease;
}

.button:hover,
.contact-links a:hover {
  transform: translateY(-3px);
  border-color: rgba(100, 244, 255, 0.56);
  box-shadow: 0 18px 42px rgba(88, 166, 255, 0.2);
}

.primary {
  color: #05070a;
  background: linear-gradient(135deg, #fff, #9fd9ff 48%, #64f4ff);
}

.secondary,
.contact-links a {
  color: #fff;
  background: rgba(255, 255, 255, 0.07);
  backdrop-filter: blur(18px);
}

.hero-visual {
  position: relative;
  min-height: 620px;
}

.device-frame {
  position: absolute;
  inset: 0 0 auto auto;
  width: min(510px, 100%);
  aspect-ratio: 0.72;
  overflow: hidden;
  border: 1px solid rgba(255, 255, 255, 0.2);
  border-radius: 42px;
  background: #0b0d12;
  box-shadow: var(--shadow), inset 0 0 0 1px rgba(255, 255, 255, 0.08);
  transform-style: preserve-3d;
}

.device-frame img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: 63% 50%;
  filter: saturate(0.82) contrast(1.1) brightness(0.82);
  transform: scale(1.08);
}

.device-overlay {
  position: absolute;
  inset: 0;
  background:
    linear-gradient(180deg, transparent 30%, rgba(0, 0, 0, 0.4) 100%),
    radial-gradient(circle at 50% 20%, rgba(100, 244, 255, 0.2), transparent 28rem);
  pointer-events: none;
}

.floating-stat {
  position: absolute;
  z-index: 2;
  width: 150px;
  border: 1px solid var(--line);
  border-radius: 24px;
  padding: 18px;
  background: rgba(8, 11, 17, 0.68);
  backdrop-filter: blur(24px);
  box-shadow: 0 20px 52px rgba(0, 0, 0, 0.34);
}

.floating-stat span {
  display: block;
  font-size: 2rem;
  font-weight: 900;
}

.floating-stat small {
  color: var(--muted);
  font-weight: 800;
  text-transform: uppercase;
}

.stat-one {
  top: 96px;
  left: 0;
}

.stat-two {
  right: 10px;
  bottom: 80px;
}

.section-heading {
  margin-bottom: clamp(34px, 6vw, 62px);
}

.about-grid,
.two-column,
.project-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 20px;
}

.glass-panel,
.feature-card,
.timeline-item,
.project-card,
.lead-card,
.contact-shell {
  position: relative;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--panel);
  box-shadow: 0 22px 70px rgba(0, 0, 0, 0.22);
  backdrop-filter: blur(24px);
}

.glass-panel {
  padding: clamp(24px, 4vw, 40px);
}

.glass-panel p,
.timeline-item p,
.project-card p,
.lead-card p {
  color: var(--soft);
  line-height: 1.75;
}

.card-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 18px;
}

.feature-card {
  min-height: 235px;
  padding: 24px;
  color: inherit;
  text-align: left;
  cursor: pointer;
  transition: transform 260ms ease, border-color 260ms ease, background 260ms ease, box-shadow 260ms ease;
}

.feature-card:nth-child(1),
.feature-card:nth-child(2),
.feature-card:nth-child(5) {
  grid-column: span 2;
}

.feature-card::before,
.project-card::before,
.lead-card::before,
.glass-panel::before {
  content: "";
  position: absolute;
  inset: -1px;
  opacity: 0;
  background:
    radial-gradient(circle at var(--mx, 50%) var(--my, 50%), rgba(100, 244, 255, 0.26), transparent 18rem),
    linear-gradient(135deg, rgba(255, 255, 255, 0.14), transparent 42%);
  transition: opacity 260ms ease;
  pointer-events: none;
}

.feature-card:hover,
.feature-card.expanded,
.project-card:hover,
.lead-card:hover {
  transform: translateY(-8px);
  border-color: rgba(100, 244, 255, 0.48);
  background: var(--panel-strong);
  box-shadow: 0 30px 90px rgba(88, 166, 255, 0.18);
}

.feature-card:hover::before,
.feature-card.expanded::before,
.project-card:hover::before,
.lead-card:hover::before,
.glass-panel:hover::before {
  opacity: 1;
}

.feature-card.expanded {
  min-height: 290px;
}

.card-index {
  display: block;
  margin-bottom: 48px;
  color: rgba(255, 255, 255, 0.42);
  font-weight: 900;
}

.feature-card p {
  color: var(--muted);
  line-height: 1.65;
}

.resume-panel {
  display: grid;
  grid-template-columns: 1fr auto;
  align-items: center;
  gap: 28px;
}

.resume-metrics {
  display: grid;
  gap: 12px;
  color: var(--muted);
}

.resume-metrics strong {
  color: #fff;
}

.timeline {
  display: grid;
  gap: 18px;
}

.timeline-item {
  padding: clamp(24px, 4vw, 42px);
  border-left: 3px solid rgba(100, 244, 255, 0.7);
}

.timeline-item time,
.project-card span,
.lead-card span {
  display: inline-block;
  margin-bottom: 16px;
  color: var(--cyan);
  font-size: 0.8rem;
  font-weight: 900;
  text-transform: uppercase;
}

.project-grid {
  grid-template-columns: repeat(3, 1fr);
}

.project-card,
.lead-card {
  padding: 24px;
}

.project-card img,
.project-visual {
  width: 100%;
  aspect-ratio: 1.35;
  margin-bottom: 22px;
  border-radius: 22px;
  object-fit: cover;
}

.project-visual {
  background:
    linear-gradient(135deg, rgba(100, 244, 255, 0.14), rgba(255, 159, 69, 0.12)),
    repeating-linear-gradient(90deg, rgba(255, 255, 255, 0.12) 0 1px, transparent 1px 34px),
    repeating-linear-gradient(0deg, rgba(255, 255, 255, 0.1) 0 1px, transparent 1px 34px),
    #080b12;
}

.project-card img {
  padding: 24px;
  background: #020304;
  object-fit: contain;
}

.leadership-strip {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 18px;
}

.contact-shell {
  padding: clamp(34px, 6vw, 70px);
  background:
    radial-gradient(circle at 20% 18%, rgba(100, 244, 255, 0.18), transparent 24rem),
    radial-gradient(circle at 90% 75%, rgba(255, 159, 69, 0.14), transparent 24rem),
    rgba(255, 255, 255, 0.08);
}

.contact-shell h2 {
  max-width: 980px;
}

footer {
  width: min(1180px, calc(100% - 36px));
  margin: 0 auto;
  padding: 32px 0 52px;
  color: var(--muted);
  text-align: center;
}

.reveal {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity 780ms ease, transform 780ms cubic-bezier(0.2, 0.85, 0.25, 1);
}

.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}

@media (max-width: 980px) {
  .nav-toggle {
    display: block;
  }

  .nav-links {
    position: fixed;
    top: 86px;
    left: 18px;
    right: 18px;
    display: grid;
    gap: 4px;
    padding: 16px;
    border: 1px solid var(--line);
    border-radius: 24px;
    background: rgba(9, 12, 18, 0.94);
    box-shadow: var(--shadow);
    opacity: 0;
    pointer-events: none;
    transform: translateY(-10px);
    transition: opacity 220ms ease, transform 220ms ease;
  }

  .nav-links.open {
    opacity: 1;
    pointer-events: auto;
    transform: translateY(0);
  }

  .nav-links a {
    padding: 13px 14px;
  }

  .hero,
  .about-grid,
  .two-column,
  .project-grid,
  .leadership-strip,
  .resume-panel {
    grid-template-columns: 1fr;
  }

  .hero-visual {
    min-height: 560px;
  }

  .device-frame {
    left: 50%;
    right: auto;
    transform: translateX(-50%);
  }

  .card-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .feature-card,
  .feature-card:nth-child(1),
  .feature-card:nth-child(2),
  .feature-card:nth-child(5) {
    grid-column: span 1;
  }
}

@media (max-width: 640px) {
  .site-header {
    padding: 12px;
  }

  .section {
    width: min(100% - 28px, 1180px);
    padding: 82px 0;
  }

  .hero {
    padding-top: 116px;
  }

  h1 {
    font-size: clamp(4.4rem, 18vw, 6rem);
  }

  h2 {
    font-size: clamp(2.25rem, 12vw, 3.4rem);
  }

  .hero-actions,
  .contact-links {
    flex-direction: column;
  }

  .button,
  .contact-links a {
    width: 100%;
  }

  .hero-visual {
    min-height: 470px;
  }

  .device-frame {
    width: min(360px, 100%);
    border-radius: 34px;
  }

  .floating-stat {
    width: 128px;
    padding: 14px;
  }

  .stat-one {
    top: 30px;
  }

  .stat-two {
    bottom: 20px;
  }

  .card-grid {
    grid-template-columns: 1fr;
  }

  .feature-card {
    min-height: 210px;
  }
}