/* ── Variables ─────────────────────────────────────────────── */
:root {
  --bg: #f5f5f3;
  --dark: #0f0f0f;
  --dark2: #1a1a1a;
  --accent: #2563eb;
  --accent-light: #dbeafe;
  --text: #1a1a1a;
  --muted: #6b7280;
  --card-bg: #ffffff;
  --border: #e5e7eb;

  --font-body: 'Inter', system-ui, sans-serif;
  --font-display: 'Outfit', system-ui, sans-serif;
}

/* ── Reset ─────────────────────────────────────────────────── */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

/* ── Base ──────────────────────────────────────────────────── */
body {
  font-family: var(--font-body);
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

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

/* ── Header ────────────────────────────────────────────────── */
header {
  position: sticky;
  top: 0;
  z-index: 100;
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 18px 8%;
  background: var(--dark);
  border-bottom: 1px solid #2a2a2a;
}

a.logo {
  font-family: var(--font-display);
  font-size: 1.4rem;
  font-weight: 800;
  color: #fff;
  letter-spacing: -0.5px;
}

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

nav {
  display: flex;
  gap: 32px;
}

nav a {
  font-size: 0.9rem;
  font-weight: 500;
  color: #a1a1aa;
  letter-spacing: 0.02em;
  transition: color 0.2s;
}

nav a:hover,
nav a.active {
  color: #fff;
}

/* ── Hero ──────────────────────────────────────────────────── */
.hero {
  background: var(--dark2);
  color: #fff;
  padding: 90px 8% 80px;
}

.hero-inner {
  max-width: 1100px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  gap: 60px;
}

.hero-content {
  flex: 1;
  min-width: 0;
}

.hero-badge {
  display: inline-block;
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--accent);
  background: rgba(37, 99, 235, 0.12);
  border: 1px solid rgba(37, 99, 235, 0.3);
  border-radius: 100px;
  padding: 5px 14px;
  margin-bottom: 24px;
}

.hero h1 {
  font-family: var(--font-display);
  font-size: clamp(2rem, 4.5vw, 3rem);
  font-weight: 800;
  line-height: 1.15;
  letter-spacing: -0.03em;
  color: #fff;
  margin-bottom: 28px;
}

.hero-text {
  display: flex;
  flex-direction: column;
  gap: 10px;
  margin-bottom: 36px;
  max-width: 520px;
}

.hero-text p {
  font-size: 1rem;
  line-height: 1.75;
  color: #a1a1aa;
}

.hero-text strong {
  color: #e4e4e7;
  font-weight: 600;
}

.hero-cta {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
}

/* ── Hero Visual Panel ─────────────────────────────────────── */
.hero-visual {
  flex-shrink: 0;
  width: 260px;
}

.visual-card {
  background: #242424;
  border: 1px solid #2e2e2e;
  border-radius: 16px;
  padding: 28px;
  display: flex;
  flex-direction: column;
  gap: 18px;
}

.visual-divider {
  height: 1px;
  background: #2e2e2e;
}

.visual-stat {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.stat-num {
  font-family: var(--font-display);
  font-size: 1.8rem;
  font-weight: 800;
  color: #fff;
  letter-spacing: -0.03em;
}

.stat-label {
  font-size: 0.78rem;
  color: #6b7280;
  line-height: 1.4;
}

/* ── Buttons ───────────────────────────────────────────────── */
.btn-primary {
  display: inline-block;
  padding: 12px 24px;
  background: var(--accent);
  color: #fff;
  font-size: 0.9rem;
  font-weight: 600;
  border-radius: 8px;
  transition: background 0.2s, transform 0.15s;
}

.btn-primary:hover {
  background: #1d4ed8;
  transform: translateY(-1px);
  color: #fff;
}

.btn-ghost {
  display: inline-block;
  padding: 12px 24px;
  background: transparent;
  color: #a1a1aa;
  font-size: 0.9rem;
  font-weight: 500;
  border-radius: 8px;
  border: 1px solid #3a3a3a;
  transition: border-color 0.2s, color 0.2s;
}

.btn-ghost:hover {
  border-color: #6b7280;
  color: #fff;
}

/* ── Shared Section Styles ─────────────────────────────────── */
.section-inner {
  max-width: 900px;
  margin: 0 auto;
}

.section-label {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 10px;
}

.section-inner h2 {
  font-family: var(--font-display);
  font-size: clamp(1.5rem, 3vw, 2rem);
  font-weight: 700;
  letter-spacing: -0.02em;
  color: var(--dark);
  margin-bottom: 20px;
}

/* ── Reveal Animation ──────────────────────────────────────── */
.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.55s ease, transform 0.55s ease;
}

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

/* ── About ─────────────────────────────────────────────────── */
.about {
  padding: 80px 8%;
  border-bottom: 1px solid var(--border);
}

.about p {
  font-size: 1.05rem;
  color: var(--muted);
  line-height: 1.85;
  max-width: 680px;
  margin-bottom: 14px;
}

.about p:last-child {
  margin-bottom: 0;
}

/* ── Skills ────────────────────────────────────────────────── */
.skills {
  padding: 80px 8%;
  border-bottom: 1px solid var(--border);
}

.skills-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
  gap: 24px;
  margin-top: 8px;
}

.skill-group {
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 20px;
}

.skill-group h4 {
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--muted);
  margin-bottom: 12px;
}

.tag-row {
  display: flex;
  flex-wrap: wrap;
  gap: 7px;
}

.tag {
  font-size: 0.78rem;
  font-weight: 500;
  color: var(--text);
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 4px 10px;
  white-space: nowrap;
}

/* ── Projects ──────────────────────────────────────────────── */
.projects {
  padding: 80px 8%;
  border-bottom: 1px solid var(--border);
}

.project-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(270px, 1fr));
  gap: 20px;
  margin-top: 8px;
}

.project-card {
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 24px;
  display: flex;
  flex-direction: column;
  transition: box-shadow 0.2s, transform 0.2s;
}

.project-card:hover {
  box-shadow: 0 8px 28px rgba(0, 0, 0, 0.09);
  transform: translateY(-3px);
}

.card-icon {
  font-size: 1.6rem;
  margin-bottom: 14px;
}

.project-card h3 {
  font-family: var(--font-display);
  font-size: 1rem;
  font-weight: 700;
  color: var(--dark);
  margin-bottom: 8px;
}

.project-card > p {
  font-size: 0.88rem;
  color: var(--muted);
  line-height: 1.65;
  margin-bottom: 14px;
}

/* Project highlights list */
.card-highlights {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 5px;
  margin-bottom: 16px;
}

.card-highlights li {
  font-size: 0.82rem;
  color: var(--muted);
  padding-left: 14px;
  position: relative;
  line-height: 1.5;
}

.card-highlights li::before {
  content: '›';
  position: absolute;
  left: 0;
  color: var(--accent);
  font-weight: 700;
}

/* Tech stack tags on cards */
.card-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-bottom: 18px;
  margin-top: auto;
  padding-top: 4px;
}

.card-tag {
  font-size: 0.73rem;
  font-weight: 500;
  color: var(--accent);
  background: var(--accent-light);
  border-radius: 4px;
  padding: 3px 8px;
}

.card-link {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--accent);
  transition: color 0.2s;
  align-self: flex-start;
}

.card-link:hover {
  color: #1d4ed8;
}

/* ── Contact ───────────────────────────────────────────────── */
.contact {
  padding: 80px 8%;
}

.contact-layout {
  display: grid;
  grid-template-columns: 240px 1fr;
  gap: 40px;
  margin-top: 8px;
  align-items: start;
}

.contact-info {
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.contact-item {
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 16px 20px;
  display: flex;
  flex-direction: column;
  gap: 5px;
}

.contact-label {
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--muted);
}

.contact-item span:not(.contact-label),
.contact-item a {
  font-size: 0.88rem;
  font-weight: 500;
  color: var(--dark);
  word-break: break-word;
}

.contact-item a:hover {
  color: var(--accent);
}

/* ── Contact Form ──────────────────────────────────────────── */
.contact-form-wrap {
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 32px;
  display: flex;
  flex-direction: column;
  gap: 18px;
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 7px;
}

.form-group label {
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--text);
  letter-spacing: 0.01em;
}

.form-group input,
.form-group textarea {
  font-family: var(--font-body);
  font-size: 0.9rem;
  color: var(--text);
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 11px 14px;
  outline: none;
  transition: border-color 0.2s, box-shadow 0.2s;
  resize: vertical;
}

.form-group input::placeholder,
.form-group textarea::placeholder {
  color: #b0b0b8;
}

.form-group input:focus,
.form-group textarea:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1);
}

.btn-submit {
  align-self: flex-start;
  padding: 12px 28px;
  background: var(--accent);
  color: #fff;
  font-family: var(--font-body);
  font-size: 0.9rem;
  font-weight: 600;
  border: none;
  border-radius: 8px;
  cursor: pointer;
  transition: background 0.2s, transform 0.15s;
}

.btn-submit:hover {
  background: #1d4ed8;
  transform: translateY(-1px);
}

.btn-submit:disabled {
  opacity: 0.6;
  cursor: not-allowed;
  transform: none;
}

.form-status {
  font-size: 0.85rem;
  min-height: 20px;
}

.form-status.success {
  color: #16a34a;
}

.form-status.error {
  color: #dc2626;
}

/* ── Footer ────────────────────────────────────────────────── */
footer {
  text-align: center;
  padding: 24px;
  background: var(--dark);
  color: #6b7280;
  font-size: 0.85rem;
}

/* ── Responsive ────────────────────────────────────────────── */
@media (max-width: 640px) {
  header {
    padding: 16px 5%;
  }

  nav {
    gap: 20px;
  }

  .hero {
    padding: 60px 5% 56px;
  }

  .hero-inner {
    flex-direction: column;
  }

  .hero-visual {
    width: 100%;
  }

  .hero-cta {
    flex-direction: column;
  }

  .btn-primary,
  .btn-ghost {
    text-align: center;
  }

  .about,
  .skills,
  .projects,
  .contact {
    padding: 60px 5%;
  }

  .contact-layout {
    grid-template-columns: 1fr;
  }

  .contact-info {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 12px;
  }

  .form-row {
    grid-template-columns: 1fr;
  }
}
.card-links {
  display: flex;
  gap: 14px;
}

.card-link.secondary {
  color: #6b7280;
}

.card-link.secondary:hover {
  color: var(--accent);
}