/* style.css */
:root {
  --bg: #0f172a;
  --panel: #111a2f;
  --accent: #7c3aed;
  --accent-2: #22d3ee;
  --text: #e2e8f0;
  --muted: #94a3b8;
  --card: rgba(255, 255, 255, 0.04);
  --border: rgba(255, 255, 255, 0.08);
  --shadow: 0 25px 60px rgba(0, 0, 0, 0.35);
  --radius: 16px;
  --font: 'Plus Jakarta Sans', system-ui, -apple-system, sans-serif;
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: var(--font);
  background: radial-gradient(circle at 20% 20%, rgba(124, 58, 237, 0.12), transparent 25%),
              radial-gradient(circle at 80% 0%, rgba(34, 211, 238, 0.12), transparent 20%),
              var(--bg);
  color: var(--text);
  line-height: 1.6;
  scroll-behavior: smooth;
}

img {
  max-width: 100%;
  display: block;
  border-radius: calc(var(--radius) - 4px);
}

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

.container {
  width: min(1100px, 92vw);
  margin: 0 auto;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  backdrop-filter: blur(12px);
  background: rgba(15, 23, 42, 0.7);
  border-bottom: 1px solid var(--border);
}

.nav-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 0;
}

.logo {
  font-weight: 700;
  letter-spacing: 1px;
  color: var(--accent);
}

.nav {
  display: flex;
  align-items: center;
  gap: 22px;
}

.nav a {
  font-weight: 500;
  color: var(--muted);
  position: relative;
}

.nav a::after {
  content: '';
  position: absolute;
  left: 0;
  bottom: -6px;
  width: 0%;
  height: 2px;
  background: linear-gradient(90deg, var(--accent), var(--accent-2));
  transition: width 0.25s ease;
}

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

.nav a:hover::after,
.nav a:focus::after {
  width: 100%;
}

.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: transparent;
  border: 1px solid var(--border);
  padding: 8px;
  border-radius: 10px;
  cursor: pointer;
}

.nav-toggle span {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--text);
  transition: transform 0.3s ease, opacity 0.3s ease;
}

.hero {
  padding: 120px 0 100px;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 40px;
  align-items: center;
}

.hero-text h1 {
  font-size: clamp(32px, 6vw, 48px);
  margin: 10px 0 14px;
  line-height: 1.2;
}

.hero-text h1 span {
  color: var(--accent);
}

.lead {
  color: var(--muted);
  max-width: 560px;
}

.hero-actions {
  display: flex;
  gap: 14px;
  margin-top: 26px;
  flex-wrap: wrap;
}

.hero-visual {
  position: relative;
  justify-self: end;
}

.blob {
  position: absolute;
  inset: 10% 5% 0 5%;
  background: radial-gradient(circle at 30% 30%, rgba(124, 58, 237, 0.4), transparent 55%),
              radial-gradient(circle at 80% 20%, rgba(34, 211, 238, 0.35), transparent 50%),
              rgba(255, 255, 255, 0.04);
  border-radius: 30% 70% 60% 40% / 40% 50% 50% 60%;
  filter: blur(10px);
  z-index: 0;
}

.hero-visual img {
  position: relative;
  z-index: 1;
  box-shadow: var(--shadow);
  border: 1px solid var(--border);
}

.section {
  padding: 90px 0;
}

.section.muted {
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.015), transparent);
}

.section-grid {
  display: grid;
  grid-template-columns: 1fr 1.05fr;
  gap: 36px;
  align-items: center;
}

.section-header {
  text-align: center;
  margin-bottom: 40px;
}

.eyebrow {
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--accent-2);
  font-weight: 700;
  font-size: 12px;
  margin-bottom: 6px;
}

.muted-text {
  color: var(--muted);
}

.card {
  border: 1px solid var(--border);
  background: var(--card);
  border-radius: var(--radius);
  padding: 18px;
  box-shadow: var(--shadow);
}

.about-content h2,
.section-header h2 {
  margin: 6px 0 12px;
  font-size: clamp(26px, 4vw, 32px);
}

.skills-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 16px;
}

.skill .bar {
  background: rgba(255, 255, 255, 0.06);
  border-radius: 999px;
  height: 10px;
  overflow: hidden;
  margin-bottom: 10px;
}

.skill .bar span {
  display: block;
  height: 100%;
  background: linear-gradient(90deg, var(--accent), var(--accent-2));
  border-radius: inherit;
}

.skill .label {
  display: flex;
  justify-content: space-between;
  color: var(--text);
}

.projects-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 18px;
}

.project img {
  width: 100%;
  border-radius: calc(var(--radius) - 4px);
  border: 1px solid var(--border);
}

.project-content {
  margin-top: 12px;
}

.project h3 {
  margin: 0 0 8px;
}

.contact-grid {
  display: grid;
  grid-template-columns: 0.95fr 1.05fr;
  gap: 28px;
  align-items: start;
}

.contact-form label {
  display: block;
  color: var(--muted);
  font-weight: 600;
  font-size: 14px;
  margin-bottom: 10px;
}

.contact-form input,
.contact-form textarea {
  width: 100%;
  margin-top: 6px;
  padding: 12px 14px;
  border-radius: 12px;
  border: 1px solid var(--border);
  background: rgba(255, 255, 255, 0.02);
  color: var(--text);
  font-size: 15px;
  outline: none;
}

.contact-form input:focus,
.contact-form textarea:focus {
  border-color: var(--accent-2);
  box-shadow: 0 0 0 3px rgba(34, 211, 238, 0.2);
}

.footer {
  border-top: 1px solid var(--border);
  padding: 24px 0 40px;
  background: rgba(0, 0, 0, 0.25);
}

.footer-content {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  align-items: center;
  color: var(--muted);
}

.footer-links {
  display: flex;
  gap: 16px;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 12px 16px;
  border-radius: 12px;
  font-weight: 700;
  border: 1px solid transparent;
  transition: transform 0.18s ease, box-shadow 0.2s ease, background 0.2s ease;
  cursor: pointer;
}

.btn.primary {
  background: linear-gradient(120deg, var(--accent), var(--accent-2));
  color: #0b1221;
  box-shadow: 0 10px 25px rgba(124, 58, 237, 0.3);
}

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

.btn.ghost {
  background: transparent;
  color: var(--text);
  border-color: var(--border);
}

.btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 14px 30px rgba(0, 0, 0, 0.25);
}

.section [data-animate],
.hero [data-animate] {
  opacity: 0;
  transform: translateY(18px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

[data-animate].visible {
  opacity: 1;
  transform: translateY(0);
}

[data-animate="fade-left"] {
  transform: translateX(20px);
}

[data-animate="fade-right"] {
  transform: translateX(-20px);
}

/* Responsive */
@media (max-width: 960px) {
  .hero-grid,
  .section-grid,
  .contact-grid {
    grid-template-columns: 1fr;
  }

  .hero-visual {
    order: -1;
    justify-self: center;
    max-width: 420px;
  }

  .nav {
    position: absolute;
    inset: 70px 16px auto;
    padding: 12px;
    border-radius: 12px;
    background: rgba(15, 23, 42, 0.96);
    border: 1px solid var(--border);
    flex-direction: column;
    align-items: flex-start;
    gap: 14px;
    display: none;
  }

  .nav.show {
    display: flex;
  }

  .nav-toggle {
    display: inline-flex;
  }

  .nav-toggle.active span:nth-child(1) {
    transform: translateY(7px) rotate(45deg);
  }

  .nav-toggle.active span:nth-child(2) {
    opacity: 0;
  }

  .nav-toggle.active span:nth-child(3) {
    transform: translateY(-7px) rotate(-45deg);
  }

  .nav-container {
    padding: 14px 16px;
  }

  .section {
    padding: 70px 0;
  }
}

@media (max-width: 540px) {
  .hero {
    padding: 90px 0 60px;
  }

  .hero-actions {
    width: 100%;
  }

  .btn {
    width: 100%;
  }

  .footer-content {
    flex-direction: column;
    align-items: flex-start;
  }
}