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

:root {
  --bg: #06111f;
  --bg-2: #0d1b2f;
  --text: #f8fafc;
  --muted: #b6c2d2;
  --card: rgba(255, 255, 255, 0.1);
  --border: rgba(255, 255, 255, 0.18);
  --accent: #38bdf8;
  --accent-2: #8b5cf6;
  --shadow: 0 25px 80px rgba(0, 0, 0, 0.35);
}

html[data-theme="light"] {
  --bg: #eef5ff;
  --bg-2: #ffffff;
  --text: #0f172a;
  --muted: #475569;
  --card: rgba(255, 255, 255, 0.65);
  --border: rgba(15, 23, 42, 0.12);
  --shadow: 0 25px 70px rgba(15, 23, 42, 0.12);
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  background:
    linear-gradient(135deg, rgba(56, 189, 248, 0.10), transparent 35%),
    linear-gradient(315deg, rgba(139, 92, 246, 0.09), transparent 38%),
    var(--bg);
  color: var(--text);
  min-height: 100vh;
  overflow-x: hidden;
}

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

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

.glass {
  background: var(--card);
  border: 1px solid var(--border);
  box-shadow: var(--shadow);
  backdrop-filter: blur(18px);
  -webkit-backdrop-filter: blur(18px);
}

.site-header {
  position: fixed;
  width: 100%;
  top: 0;
  z-index: 100;
  padding: 18px 7%;
}

.nav {
  max-width: 1180px;
  margin: auto;
  border-radius: 18px;
  padding: 14px 20px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.logo {
  font-weight: 800;
  font-size: 1.25rem;
}

.logo span,
.hero h1 span,
.eyebrow {
  color: var(--accent);
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 24px;
  list-style: none;
}

.nav-links a {
  color: var(--muted);
  font-weight: 600;
  font-size: 0.95rem;
}

.nav-links a:hover {
  color: var(--text);
}

.menu-btn,
.theme-toggle {
  border: 0;
  cursor: pointer;
  color: var(--text);
  background: rgba(255, 255, 255, 0.12);
  border-radius: 999px;
  width: 42px;
  height: 42px;
  font-size: 1rem;
}

.menu-btn {
  display: none;
}

.section {
  width: min(1180px, 86%);
  margin: auto;
  padding: 100px 0;
}

.hero {
  min-height: 100vh;
  display: grid;
  grid-template-columns: 1.25fr 0.75fr;
  align-items: center;
  gap: 48px;
  padding-top: 130px;
}

.hero-content,
.photo-card,
.about-card,
.stat,
.project-card,
.timeline-item,
.certificate,
.contact-form {
  border-radius: 24px;
}

.hero-content {
  padding: 48px;
}

.eyebrow {
  text-transform: uppercase;
  letter-spacing: 0.18em;
  font-size: 0.78rem;
  font-weight: 800;
  margin-bottom: 18px;
}

.hero h1 {
  font-size: clamp(2.7rem, 7vw, 5.8rem);
  line-height: 0.95;
  margin-bottom: 24px;
}

.hero-text {
  color: var(--muted);
  max-width: 680px;
  font-size: 1.13rem;
  margin-bottom: 30px;
}

.hero-actions,
.social-row {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  align-items: center;
}

.btn {
  display: inline-flex;
  justify-content: center;
  align-items: center;
  min-height: 48px;
  padding: 0 22px;
  border-radius: 999px;
  font-weight: 800;
  border: 1px solid var(--border);
  cursor: pointer;
}

.btn.primary {
  color: #03111f;
  background: linear-gradient(135deg, var(--accent), #a78bfa);
}

.btn.secondary {
  color: var(--text);
  background: rgba(255, 255, 255, 0.08);
}

.social-row {
  margin-top: 28px;
}

.social-row a {
  color: var(--muted);
  font-weight: 700;
}

.social-row a:hover {
  color: var(--accent);
}

.photo-card {
  position: relative;
  padding: 18px;
}

.photo-card img {
  aspect-ratio: 4 / 5;
  object-fit: cover;
  border-radius: 24px;
  background: linear-gradient(135deg, #334155, #94a3b8);
}

.status-pill {
  position: absolute;
  left: 50%;
  bottom: 38px;
  transform: translateX(-50%);
  white-space: nowrap;
  padding: 10px 15px;
  border-radius: 999px;
  background: rgba(3, 17, 31, 0.78);
  color: white;
  font-weight: 800;
  font-size: 0.85rem;
}

.section-heading {
  margin-bottom: 36px;
}

.section-heading h2 {
  font-size: clamp(2rem, 4vw, 3.3rem);
  line-height: 1.05;
}

.section-heading p:not(.eyebrow) {
  color: var(--muted);
  margin-top: 16px;
  max-width: 600px;
}

.about-grid,
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 26px;
  align-items: start;
}

.about-card {
  padding: 34px;
}

.about-card h3,
.project-card h3,
.timeline-item h3,
.certificate h3 {
  margin-bottom: 12px;
}

.about-card p,
.project-card p,
.timeline-item p,
.certificate p {
  color: var(--muted);
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 18px;
}

.stat {
  padding: 26px;
}

.stat strong {
  display: block;
  font-size: 1.5rem;
  margin-bottom: 6px;
}

.stat span {
  color: var(--muted);
}

.card-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 22px;
}

.project-card {
  overflow: hidden;
}

.project-card img {
  height: 190px;
  width: 100%;
  object-fit: cover;
  background: linear-gradient(135deg, rgba(56, 189, 248, 0.6), rgba(139, 92, 246, 0.6));
}

.project-card div {
  padding: 24px;
}

.tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 18px 0;
}

.tags span {
  padding: 7px 10px;
  border-radius: 999px;
  background: rgba(56, 189, 248, 0.13);
  color: var(--accent);
  font-size: 0.78rem;
  font-weight: 800;
}

.project-card a {
  color: var(--accent);
  font-weight: 800;
}

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

.timeline-item {
  padding: 30px;
  position: relative;
}

.timeline-item span {
  color: var(--accent);
  font-weight: 900;
  display: block;
  margin-bottom: 10px;
}

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

.certificate {
  padding: 26px;
}

.contact-form {
  padding: 30px;
  display: grid;
  gap: 18px;
}

.contact-form label {
  display: grid;
  gap: 8px;
  color: var(--muted);
  font-weight: 700;
}

input,
textarea {
  width: 100%;
  border: 1px solid var(--border);
  outline: none;
  border-radius: 18px;
  padding: 15px 16px;
  color: var(--text);
  background: rgba(255, 255, 255, 0.08);
  font: inherit;
}

input:focus,
textarea:focus {
  border-color: var(--accent);
}

.footer {
  text-align: center;
  padding: 34px;
  color: var(--muted);
}

.animated-bg span {
  position: fixed;
  width: 180px;
  height: 180px;
  border-radius: 50%;
  background: rgba(56, 189, 248, 0.12);
  z-index: -2;
}

.animated-bg span:nth-child(1) { left: 8%; top: 15%; animation-duration: 18s; }
.animated-bg span:nth-child(2) { left: 78%; top: 20%; animation-duration: 22s; background: rgba(139, 92, 246, 0.14); }
.animated-bg span:nth-child(3) { left: 65%; top: 70%; animation-duration: 20s; }
.animated-bg span:nth-child(4) { left: 18%; top: 75%; animation-duration: 24s; background: rgba(139, 92, 246, 0.12); }
.animated-bg span:nth-child(5) { left: 45%; top: 45%; animation-duration: 26s; }

.cursor-glow {
  position: fixed;
  width: 340px;
  height: 340px;
  border-radius: 50%;
  pointer-events: none;
  transform: translate(-50%, -50%);
  background: radial-gradient(circle, rgba(56, 189, 248, 0.13), transparent 62%);
  z-index: -1;
}

.reveal {
  opacity: 0;
  transform: translateY(14px);
  transition: opacity 0.55s ease, transform 0.55s ease;
}

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

@media (max-width: 900px) {
  .menu-btn {
    display: inline-block;
  }

  .nav-links {
    position: absolute;
    top: 76px;
    left: 7%;
    right: 7%;
    padding: 22px;
    display: none;
    flex-direction: column;
    border-radius: 24px;
    background: var(--bg-2);
    border: 1px solid var(--border);
  }

  .nav-links.open {
    display: flex;
  }

  .hero,
  .about-grid,
  .contact-grid {
    grid-template-columns: 1fr;
  }

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

  .hero-content {
    padding: 32px;
  }
}

@media (max-width: 560px) {
  .section {
    width: 90%;
    padding: 86px 0;
  }

  .site-header {
    padding: 14px 5%;
  }

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

  .hero-actions .btn {
    width: 100%;
  }
}


/* Professional static refinements */
.photo-card {
  transform: none !important;
  animation: none !important;
}

.animated-bg span {
  animation: none !important;
  opacity: 0.45;
  filter: blur(2px);
}

.project-card,
.certificate,
.timeline-item,
.about-card,
.stat,
.contact-form,
.hero-content {
  transition: transform 0.25s ease, border-color 0.25s ease, background 0.25s ease;
}

.project-card:hover,
.certificate:hover,
.timeline-item:hover,
.about-card:hover,
.stat:hover {
  transform: translateY(-4px);
  border-color: rgba(56, 189, 248, 0.32);
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation: none !important;
    transition: none !important;
    scroll-behavior: auto !important;
  }
}