:root {
  --bg: #0f172a;
  --bg-soft: #111827;
  --surface: rgba(255, 255, 255, 0.06);
  --surface-strong: rgba(255, 255, 255, 0.1);
  --card: #ffffff;
  --text: #0f172a;
  --text-light: #e5e7eb;
  --muted: #94a3b8;
  --accent: #38bdf8;
  --accent-dark: #0ea5e9;
  --border: rgba(148, 163, 184, 0.2);
  --shadow: 0 20px 60px rgba(15, 23, 42, 0.18);
  --radius-lg: 24px;
  --radius-md: 18px;
  --radius-sm: 12px;
  --container: 1120px;
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: Arial, Helvetica, sans-serif;
  line-height: 1.6;
  background: #f8fafc;
  color: var(--text);
}

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

a {
  text-decoration: none;
}

ul {
  list-style: none;
}

.container {
  width: min(var(--container), calc(100% - 2rem));
  margin: 0 auto;
}

.site-header {
  background:
    radial-gradient(circle at top left, rgba(56, 189, 248, 0.18), transparent 30%),
    radial-gradient(circle at top right, rgba(14, 165, 233, 0.14), transparent 25%),
    linear-gradient(135deg, var(--bg), var(--bg-soft));
  color: var(--text-light);
  padding-bottom: 5rem;
}

.navbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
  padding: 1.25rem 0;
}

.logo {
  color: #ffffff;
  font-size: 1.3rem;
  font-weight: 700;
  letter-spacing: 0.2px;
}

.logo span {
  color: var(--accent);
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 1.5rem;
}

.nav-links a {
  color: var(--text-light);
  font-size: 0.95rem;
  transition: opacity 0.25s ease;
}

.nav-links a:hover {
  opacity: 0.75;
}
.nav-links a.active {
  color: var(--accent);
}
.nav-btn,
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 999px;
  font-weight: 700;
  transition: transform 0.25s ease, background 0.25s ease, color 0.25s ease, border-color 0.25s ease;
}

.nav-btn {
  background: #ffffff;
  color: var(--bg);
  padding: 0.8rem 1.2rem;
  font-size: 0.95rem;
}

.nav-btn:hover,
.btn:hover {
  transform: translateY(-2px);
}

.hero {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  align-items: center;
  gap: 2rem;
  padding: 4rem 0 1rem;
}

.eyebrow,
.section-tag,
.project-type,
.card-label {
  text-transform: uppercase;
  letter-spacing: 0.12em;
  font-size: 0.78rem;
  font-weight: 700;
}

.eyebrow {
  color: var(--accent);
  margin-bottom: 1rem;
}

.hero h1 {
  font-size: clamp(2.4rem, 5vw, 4.5rem);
  line-height: 1.08;
  margin-bottom: 1rem;
  max-width: 11ch;
}

.hero-description {
  color: #cbd5e1;
  max-width: 650px;
  font-size: 1.05rem;
  margin-bottom: 1.75rem;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
}

.btn {
  padding: 0.95rem 1.5rem;
  font-size: 0.96rem;
  border: 1px solid transparent;
}

.btn-primary {
  background: var(--accent);
  color: #082f49;
}

.btn-primary:hover {
  background: var(--accent-dark);
  color: #ffffff;
}

.btn-secondary {
  background: transparent;
  color: #ffffff;
  border-color: rgba(255, 255, 255, 0.2);
}

.btn-secondary:hover {
  border-color: rgba(255, 255, 255, 0.45);
}

.hero-card {
  display: flex;
  justify-content: flex-end;
}

.hero-card-inner {
  width: 100%;
  max-width: 380px;
  background: rgba(255, 255, 255, 0.07);
  border: 1px solid rgba(255, 255, 255, 0.12);
  backdrop-filter: blur(10px);
  border-radius: var(--radius-lg);
  padding: 2rem;
  box-shadow: 0 18px 40px rgba(0, 0, 0, 0.2);
}

.card-label {
  color: var(--accent);
  margin-bottom: 0.8rem;
}

.hero-card-inner h2 {
  font-size: 1.7rem;
  margin-bottom: 0.8rem;
  color: #ffffff;
}

.hero-card-inner p {
  color: #cbd5e1;
  margin-bottom: 1rem;
}

.hero-highlights {
  display: grid;
  gap: 0.7rem;
}

.hero-highlights li {
  color: #ffffff;
  background: rgba(255, 255, 255, 0.08);
  border-radius: 999px;
  padding: 0.75rem 1rem;
  font-size: 0.92rem;
}

.section {
  padding: 5rem 0;
}

.section-alt {
  background: #eef2ff;
}

.section-heading {
  margin-bottom: 2rem;
}

.section-tag {
  color: var(--accent-dark);
  margin-bottom: 0.7rem;
}

.section-heading h2 {
  font-size: clamp(1.8rem, 4vw, 2.8rem);
  line-height: 1.15;
}

.about-grid {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: 2rem;
  align-items: start;
}

.about-text p {
  color: #334155;
  font-size: 1.02rem;
  margin-bottom: 1rem;
  max-width: 65ch;
}

.skill-box,
.project-card,
.service-card,
.contact-box {
  background: var(--card);
  border: 1px solid #e2e8f0;
  border-radius: var(--radius-md);
  box-shadow: var(--shadow);
}

.skill-box {
  padding: 1.75rem;
}

.skill-box h3 {
  margin-bottom: 1rem;
  font-size: 1.15rem;
}

.skill-box ul {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0.85rem;
}

.skill-box li {
  background: #f8fafc;
  border: 1px solid #e2e8f0;
  border-radius: 999px;
  padding: 0.8rem 1rem;
  font-size: 0.94rem;
  text-align: center;
}

.projects-grid,
.services-grid {
  display: grid;
  gap: 1.5rem;
}

.projects-grid {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.services-grid {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.project-card,
.service-card,
.contact-box {
  padding: 1.75rem;
}

.project-card {
  padding: 0;
  overflow: hidden;
}

.project-image {
  width: 100%;
  height: 240px;
  object-fit: cover;
  display: block;
  border-bottom: 1px solid #e2e8f0;
  background: #cbd5e1;
  transition: transform 0.35s ease;
}

.project-content {
  padding: 1.5rem;
}
.project-card {
  transition: transform 0.25s ease, box-shadow 0.25s ease;
}

.project-card:hover {
  transform: translateY(-6px);
  box-shadow: 0 24px 50px rgba(15, 23, 42, 0.16);
}

.project-card:hover .project-image {
  transform: scale(1.03);
}
.project-type {
  color: var(--accent-dark);
  margin-bottom: 0.8rem;
}

.project-card h3,
.service-card h3 {
  font-size: 1.35rem;
  margin-bottom: 0.8rem;
}

.project-card p,
.service-card p,
.contact-box p {
  color: #475569;
}

.project-links,
.contact-links {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  margin-top: 1.25rem;
}

.project-links a,
.contact-links a {
  color: var(--accent-dark);
  font-weight: 700;
}

.project-links a:hover,
.contact-links a:hover {
  text-decoration: underline;
}

.services-grid {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.contact-box {
  max-width: 760px;
}

.site-footer {
  background: #0f172a;
  color: #cbd5e1;
  padding: 1.5rem 0;
  text-align: center;
  font-size: 0.95rem;
}

@media (max-width: 960px) {
  .hero,
.about-grid {
  grid-template-columns: 1fr;
}

.projects-grid {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

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

  .hero {
    padding-top: 3rem;
  }

  .hero-card {
    justify-content: flex-start;
  }

  .skill-box ul {
    grid-template-columns: 1fr 1fr;
  }
}

@media (max-width: 760px) {
  .navbar {
    flex-wrap: wrap;
  }

  .nav-links {
    order: 3;
    width: 100%;
    flex-wrap: wrap;
    gap: 1rem;
    padding-top: 0.5rem;
  }

  .hero h1 {
    max-width: 100%;
  }

  .skill-box ul {
    grid-template-columns: 1fr;
  }

  .service-card,
  .contact-box,
  .skill-box,
  .hero-card-inner {
    padding: 1.35rem;
  }
.projects-grid {
  grid-template-columns: 1fr;
}
  .project-content {
    padding: 1.2rem;
  }

  .project-image {
    height: 210px;
  }

  .section {
    padding: 4rem 0;
  }
}

@media (max-width: 520px) {
  .container {
    width: min(var(--container), calc(100% - 1.2rem));
  }

  .hero-actions,
  .project-links,
  .contact-links {
    flex-direction: column;
    align-items: stretch;
  }

  .btn,
  .nav-btn {
    width: 100%;
  }
}