* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  font-family: 'Poppins', sans-serif;
}

body {
  background: linear-gradient(135deg, #111827, #3b3458);
  min-height: 100vh;
  color: #eff2ff;
  overflow-x: hidden;
}

.page {
  width: min(1200px, 94%);
  margin: 0 auto;
  padding: 20px 0 60px;
}

.topbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 18px 0;
}

.brand {
  font-size: 1.6rem;
  font-weight: 800;
  letter-spacing: 0.12em;
}

.nav-links {
  display: flex;
  gap: 28px;
}

.nav-links a {
  color: #dbeafe;
  text-decoration: none;
  font-weight: 500;
  transition: color 0.25s ease;
}

.nav-links a:hover {
  color: #a78bfa;
}

.actions {
  display: flex;
  gap: 12px;
  align-items: center;
}

#theme-toggle,
#menu-toggle {
  background: rgba(255,255,255,0.1);
  border: 1px solid rgba(255,255,255,0.15);
  color: #eff2ff;
  border-radius: 14px;
  width: 44px;
  height: 44px;
  cursor: pointer;
}

.mobile-menu {
  display: none;
  flex-direction: column;
  gap: 16px;
  padding: 18px;
  margin-top: 8px;
  border-radius: 20px;
  background: rgba(15, 23, 42, 0.86);
  border: 1px solid rgba(255,255,255,0.08);
}

.social-links {
  display: flex;
  gap: 18px;
  flex-wrap: wrap;
  margin: 16px 0 28px;
}

.social-links a {
  color: #dbeafe;
  text-decoration: none;
  padding: 10px 16px;
  border-radius: 999px;
  background: rgba(255,255,255,0.06);
  border: 1px solid rgba(255,255,255,0.10);
  transition: background 0.25s ease, transform 0.25s ease;
}

.social-links a:hover {
  background: rgba(255,255,255,0.12);
  transform: translateY(-2px);
}

.mobile-menu.open {
  display: flex;
}

.mobile-menu a {
  color: #fff;
  text-decoration: none;
  font-size: 1rem;
}

.hero-section {
  display: grid;
  grid-template-columns: 1.4fr 1fr;
  gap: 36px;
  align-items: center;
  margin: 40px 0 32px;
}

.hero-copy,
.hero-panel,
.focus-section,
.about-card,
.projects-card,
.expertise-card,
.contact-card,
.social-links {
  background: rgba(255,255,255,0.08);
  border: 1px solid rgba(255,255,255,0.12);
  border-radius: 32px;
  padding: 36px;
  backdrop-filter: blur(16px);
  box-shadow: 0 24px 50px rgba(0,0,0,0.22);
}

.eyebrow {
  display: inline-block;
  margin-bottom: 20px;
  color: #c7d2fe;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  font-size: 0.82rem;
}

.hero-copy h1 {
  font-size: clamp(3rem, 5vw, 5rem);
  line-height: 0.95;
  letter-spacing: -0.04em;
  margin-bottom: 24px;
}

.hero-copy p {
  max-width: 620px;
  line-height: 1.8;
  color: #dbeafe;
  font-size: 1.05rem;
  margin-bottom: 30px;
}

.hero-actions {
  display: flex;
  gap: 18px;
  flex-wrap: wrap;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 14px 28px;
  border-radius: 999px;
  text-decoration: none;
  font-weight: 600;
  transition: transform 0.25s ease, box-shadow 0.25s ease, background 0.25s ease;
}

.hero-copy h1 {
  animation: text-slide 0.9s ease-out forwards;
}

@keyframes text-slide {
  0% { opacity: 0; transform: translateY(25px); }
  100% { opacity: 1; transform: translateY(0); }
}

.primary {
  background: linear-gradient(135deg, #8b5cf6, #7c3aed);
  color: #fff;
}

.secondary {
  background: rgba(255,255,255,0.12);
  color: #e2e8f0;
  border: 1px solid rgba(255,255,255,0.14);
}

.btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 18px 50px rgba(139,92,246,0.22);
}

.hero-panel {
  position: relative;
  min-height: 520px;
  overflow: hidden;
}

.hero-image {
  width: 100%;
  min-height: 420px;
  max-height: 520px;
  border-radius: 28px;
  object-fit: cover;
  display: block;
  transition: transform 0.8s ease, filter 0.8s ease;
}

.hero-panel:hover .hero-image {
  transform: scale(1.03);
  filter: saturate(1.05);
}

.hero-tag {
  animation: float-tag 4s ease-in-out infinite alternate;
}

@keyframes float-tag {
  0% { transform: translateY(0); }
  100% { transform: translateY(-10px); }
}

.hero-tag {
  position: absolute;
  bottom: 24px;
  left: 24px;
  background: rgba(15, 23, 42, 0.86);
  border: 1px solid rgba(255,255,255,0.1);
  border-radius: 24px;
  padding: 18px 24px;
  display: inline-flex;
  flex-direction: column;
  gap: 4px;
}

.hero-tag span {
  font-size: 2rem;
  font-weight: 800;
  letter-spacing: 0.08em;
}

.hero-tag p {
  font-size: 0.95rem;
  color: #cbd5e1;
}

.skill-marquee {
  overflow: hidden;
  margin: 18px 0 32px;
}

.marquee-track {
  display: flex;
  gap: 36px;
  animation: marquee 18s linear infinite;
}

.marquee-track span {
  color: #e2e8f0;
  font-size: 1rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  white-space: nowrap;
}

@keyframes marquee {
  0% { transform: translateX(0); }
  100% { transform: translateX(-50%); }
}

.focus-section {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 28px;
  align-items: center;
  margin-bottom: 32px;
}

.focus-text h2 {
  font-size: clamp(2.6rem, 4vw, 3.6rem);
  line-height: 1.05;
  margin-bottom: 20px;
}

.focus-text p {
  max-width: 580px;
  line-height: 1.8;
  color: #dbeafe;
}

.focus-image {
  min-height: 420px;
  border-radius: 28px;
  background: url('https://images.unsplash.com/photo-1498050108023-c5249f4df085?auto=format&fit=crop&w=900&q=80') center/cover no-repeat;
}

.about-card h2,
.projects-card h2,
.expertise-card h2,
.contact-card h2 {
  margin-bottom: 18px;
  font-size: 2rem;
}

.about-card p,
.projects-card p,
.expertise-card p,
.contact-card p {
  color: #cbd5e1;
  line-height: 1.8;
}

.about-card ul {
  margin-top: 18px;
  list-style: none;
  display: grid;
  gap: 12px;
  color: #e2e8f0;
}

.about-card li::before {
  content: '•';
  color: #a78bfa;
  margin-right: 10px;
}

.cards {
  display: grid;
  grid-template-columns: repeat(3, minmax(220px, 1fr));
  gap: 24px;
  margin-top: 24px;
}

.card {
  background: rgba(255,255,255,0.05);
  border: 1px solid rgba(255,255,255,0.08);
  border-radius: 24px;
  padding: 26px;
  display: flex;
  flex-direction: column;
  gap: 16px;
  transition: transform 0.25s ease, box-shadow 0.25s ease;
}

.card:hover {
  transform: translateY(-8px);
  box-shadow: 0 22px 60px rgba(124,58,237,0.2);
}

.card h3 {
  font-size: 1.25rem;
}

.card p {
  color: #cbd5e1;
  line-height: 1.7;
}

.small-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 10px 18px;
  border-radius: 999px;
  color: #fff;
  background: rgba(139,92,246,0.16);
  text-decoration: none;
  border: 1px solid rgba(139,92,246,0.22);
}

.expertise-grid {
  display: grid;
  gap: 18px;
}

.expertise-item {
  display: grid;
  grid-template-columns: 42px 1fr 42px;
  gap: 18px;
  align-items: center;
  padding: 18px 20px;
  border-radius: 22px;
  background: rgba(255,255,255,0.05);
  border: 1px solid rgba(255,255,255,0.08);
  transition: transform 0.25s ease, border-color 0.25s ease, background 0.25s ease;
}

.expertise-item:hover {
  transform: translateY(-4px);
  border-color: rgba(139,92,246,0.4);
  background: rgba(139,92,246,0.08);
}

.expertise-item span {
  font-weight: 800;
  color: #c7d2fe;
}

.expertise-item h3 {
  margin-bottom: 6px;
  font-size: 1rem;
}

.expertise-item p {
  color: #cbd5e1;
  font-size: 0.95rem;
  line-height: 1.65;
}

.icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 38px;
  height: 38px;
  border-radius: 50%;
  background: #7c3aed;
  color: #fff;
  font-weight: 700;
}

.contact-card {
  text-align: center;
}

.contact-card a {
  margin-top: 16px;
}

@media (max-width: 1000px) {
  .hero-section,
  .focus-section {
    grid-template-columns: 1fr;
  }

  .hero-panel {
    min-height: 320px;
  }
}

@media (max-width: 820px) {
  .nav-links {
    display: none;
  }

  .actions {
    gap: 8px;
  }
}

@media (max-width: 720px) {
  .page {
    width: 100%;
    padding: 16px 12px 40px;
  }

  .hero-copy h1,
  .focus-text h2 {
    font-size: clamp(2.2rem, 9vw, 3rem);
  }

  .hero-actions {
    flex-direction: column;
    align-items: stretch;
  }

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

  .expertise-item {
    grid-template-columns: 1fr;
    text-align: left;
  }

  .expertise-item .icon {
    margin-left: auto;
  }
}

body.dark {
  background: linear-gradient(135deg, #020617, #1f2937);
}

body.dark .hero-panel,
body.dark .glass,
body.dark .card,
body.dark .hero-copy,
body.dark .focus-section {
  background: rgba(15,23,42,0.82);
}

body.dark .topbar,
body.dark .mobile-menu {
  background: rgba(15,23,42,0.6);
}

.social-links {
  display: flex;
  gap: 18px;
  flex-wrap: wrap;
  margin: 16px 0 28px;
}

.social-links a {
  color: #dbeafe;
  text-decoration: none;
  padding: 10px 16px;
  border-radius: 999px;
  background: rgba(255,255,255,0.06);
  border: 1px solid rgba(255,255,255,0.10);
  transition: transform 0.25s ease, background 0.25s ease;
}

.social-links a:hover {
  transform: translateY(-2px);
  background: rgba(255,255,255,0.14);
}

.fade-up {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity 0.9s ease, transform 0.9s ease;
}

.fade-up.show {
  opacity: 1;
  transform: translateY(0);
}