/* ============================================================
   YUNUS EMRE FIDANOĞLU — PORTFOLIO
   Premium dark theme, clean typography, refined interactions
   ============================================================ */

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

:root {
  /* Background palette — deep navy tones */
  --bg-primary: #06090f;
  --bg-secondary: #0b1120;
  --bg-card: #0f1729;
  --bg-card-hover: #131d35;
  --bg-surface: rgba(15, 23, 41, 0.6);

  /* Text palette */
  --text-primary: #e8edf5;
  --text-secondary: #8892a8;
  --text-muted: #4f5b73;

  /* Accent — cool teal */
  --accent: #38bdf8;
  --accent-dim: rgba(56, 189, 248, 0.12);
  --accent-glow: rgba(56, 189, 248, 0.25);

  /* Borders */
  --border: rgba(255, 255, 255, 0.06);
  --border-hover: rgba(255, 255, 255, 0.12);

  /* Sizing */
  --nav-h: 72px;
  --container: 1120px;
  --radius: 16px;
  --radius-sm: 10px;

  /* Transitions */
  --ease: cubic-bezier(0.16, 1, 0.3, 1);
}

html {
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  background: var(--bg-primary);
  color: var(--text-primary);
  line-height: 1.7;
  overflow-x: hidden;
}

::selection {
  background: var(--accent);
  color: var(--bg-primary);
}

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

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

.container {
  width: 100%;
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 24px;
}

/* --- Navbar --- */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  height: var(--nav-h);
  background: rgba(6, 9, 15, 0.65);
  backdrop-filter: blur(20px) saturate(1.4);
  -webkit-backdrop-filter: blur(20px) saturate(1.4);
  border-bottom: 1px solid var(--border);
  transition: background 0.4s var(--ease), box-shadow 0.4s var(--ease);
}

.navbar.scrolled {
  background: rgba(6, 9, 15, 0.92);
  box-shadow: 0 1px 40px rgba(0, 0, 0, 0.4);
}

.nav-inner {
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
}

.nav-logo {
  font-family: 'JetBrains Mono', monospace;
  font-weight: 700;
  font-size: 1.2rem;
  color: var(--text-primary);
  letter-spacing: -0.02em;
  transition: color 0.3s;
}

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

.nav-links {
  display: flex;
  align-items: center;
  gap: 8px;
  list-style: none;
}

.nav-links a {
  padding: 8px 16px;
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--text-secondary);
  border-radius: 8px;
  transition: color 0.3s, background 0.3s;
}

.nav-links a:hover,
.nav-links a.active {
  color: var(--text-primary);
  background: rgba(255, 255, 255, 0.05);
}

.nav-terminal-btn {
  background: var(--accent-dim) !important;
  color: var(--accent) !important;
}

.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
}

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

/* --- Hero --- */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: calc(var(--nav-h) + 40px) 24px 80px;
  overflow: hidden;
}

#heroCanvas {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
}

.hero-content {
  position: relative;
  z-index: 2;
  max-width: 720px;
  text-align: center;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 18px;
  background: var(--accent-dim);
  border: 1px solid rgba(56, 189, 248, 0.15);
  border-radius: 100px;
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--accent);
  letter-spacing: 0.04em;
  text-transform: uppercase;
  margin-bottom: 28px;
}

.badge-dot {
  width: 6px;
  height: 6px;
  background: var(--accent);
  border-radius: 50%;
  animation: pulse 2s infinite;
}

@keyframes pulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.5; transform: scale(1.5); }
}

.hero-title {
  font-size: clamp(2.2rem, 6vw, 4.5rem);
  font-weight: 800;
  line-height: 1.08;
  letter-spacing: -0.03em;
  margin-bottom: 24px;
}

.hero-line {
  display: block;
  font-size: 0.38em;
  font-weight: 500;
  color: var(--text-secondary);
  letter-spacing: 0;
  margin-bottom: 8px;
}

.hero-name {
  background: linear-gradient(135deg, var(--text-primary) 0%, var(--accent) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-desc {
  font-size: 1.1rem;
  color: var(--text-secondary);
  line-height: 1.7;
  max-width: 540px;
  margin: 0 auto 36px;
}

.hero-actions {
  display: flex;
  gap: 14px;
  justify-content: center;
  flex-wrap: wrap;
  margin-bottom: 56px;
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 28px;
  border-radius: 12px;
  font-size: 0.9rem;
  font-weight: 600;
  cursor: pointer;
  border: none;
  transition: all 0.3s var(--ease);
}

.btn-primary {
  background: var(--accent);
  color: var(--bg-primary);
}

.btn-primary:hover {
  background: #5ccbfc;
  transform: translateY(-2px);
  box-shadow: 0 8px 30px rgba(56, 189, 248, 0.3);
}

.btn-outline {
  background: transparent;
  color: var(--text-primary);
  border: 1px solid var(--border-hover);
}

.btn-outline:hover {
  border-color: var(--accent);
  color: var(--accent);
  transform: translateY(-2px);
}

.btn-full {
  width: 100%;
  justify-content: center;
}

/* Hero Stats */
.hero-stats {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 32px;
}

.stat {
  display: flex;
  flex-direction: column;
  align-items: center;
}

.stat-num {
  font-size: 1.6rem;
  font-weight: 700;
  color: var(--text-primary);
}

.stat-label {
  font-size: 0.75rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.stat-divider {
  width: 1px;
  height: 32px;
  background: var(--border);
}

/* Scroll indicator */
.hero-scroll {
  position: absolute;
  bottom: 32px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 2;
}

.scroll-indicator {
  width: 24px;
  height: 40px;
  border: 2px solid var(--border-hover);
  border-radius: 12px;
  display: flex;
  justify-content: center;
  padding-top: 8px;
}

.scroll-dot {
  width: 4px;
  height: 8px;
  background: var(--accent);
  border-radius: 4px;
  animation: scrollDown 2s infinite;
}

@keyframes scrollDown {
  0% { opacity: 1; transform: translateY(0); }
  100% { opacity: 0; transform: translateY(14px); }
}

/* --- Sections --- */
.section {
  padding: 120px 0;
  position: relative;
}

.section-alt {
  background: var(--bg-secondary);
}

.section-header {
  margin-bottom: 64px;
}

.section-tag {
  display: inline-block;
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--accent);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-bottom: 16px;
}

.section-title {
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 800;
  line-height: 1.15;
  letter-spacing: -0.03em;
}

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

/* --- About --- */
.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 56px;
  align-items: start;
}

.about-text p {
  color: var(--text-secondary);
  margin-bottom: 20px;
  font-size: 1.02rem;
}

.about-text strong {
  color: var(--text-primary);
}

.about-highlights {
  margin-top: 32px;
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.highlight-item {
  display: flex;
  gap: 16px;
  align-items: flex-start;
}

.highlight-icon {
  width: 44px;
  height: 44px;
  min-width: 44px;
  background: var(--accent-dim);
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--accent);
  font-size: 1rem;
}

.highlight-item h4 {
  font-size: 0.95rem;
  font-weight: 600;
  margin-bottom: 4px;
}

.highlight-item p {
  font-size: 0.85rem !important;
  color: var(--text-muted) !important;
  margin-bottom: 0 !important;
}

/* Info card (YAML style) */
.info-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
}

.info-card-header {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 14px 18px;
  background: rgba(255, 255, 255, 0.02);
  border-bottom: 1px solid var(--border);
}

.info-card-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--text-muted);
}

.info-card-dot:nth-child(1) { background: #ff5f57; }
.info-card-dot:nth-child(2) { background: #ffbd2e; }
.info-card-dot:nth-child(3) { background: #28c840; }

.info-card-title {
  margin-left: auto;
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.75rem;
  color: var(--text-muted);
}

.info-card-body {
  padding: 24px;
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.82rem;
  line-height: 2;
  overflow-x: auto;
}

.yl-key { color: #7dd3fc; }
.yl-val { color: #a5f3fc; }
.yl-arr { color: var(--text-muted); }

/* --- Skills --- */
.skills-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
}

.skill-category {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 32px;
  transition: border-color 0.4s, transform 0.4s var(--ease), box-shadow 0.4s;
}

.skill-category:hover {
  border-color: var(--border-hover);
  transform: translateY(-4px);
  box-shadow: 0 16px 48px rgba(0, 0, 0, 0.25);
}

.skill-cat-icon {
  width: 48px;
  height: 48px;
  background: var(--accent-dim);
  border-radius: 14px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--accent);
  font-size: 1.15rem;
  margin-bottom: 20px;
}

.skill-category h3 {
  font-size: 1.1rem;
  font-weight: 700;
  margin-bottom: 16px;
}

.skill-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.skill-tag {
  padding: 6px 14px;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--border);
  border-radius: 8px;
  font-size: 0.8rem;
  font-weight: 500;
  color: var(--text-secondary);
  transition: color 0.3s, border-color 0.3s, background 0.3s;
}

.skill-tag:hover {
  color: var(--accent);
  border-color: rgba(56, 189, 248, 0.2);
  background: var(--accent-dim);
}

/* --- Projects --- */
.projects-list {
  display: flex;
  flex-direction: column;
  gap: 24px;
}

.project-card {
  display: flex;
  align-items: stretch;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  transition: border-color 0.4s, transform 0.4s var(--ease), box-shadow 0.4s;
  position: relative;
}

.project-card:hover {
  border-color: var(--border-hover);
  transform: translateY(-4px);
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
}

.project-number {
  position: absolute;
  top: 28px;
  left: 28px;
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.75rem;
  font-weight: 700;
  color: var(--text-muted);
  letter-spacing: 0.05em;
}

.project-body {
  flex: 1;
  padding: 56px 32px 32px;
}

.project-meta {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  margin-bottom: 16px;
}

.project-badge {
  padding: 4px 12px;
  background: var(--accent-dim);
  border-radius: 6px;
  font-size: 0.72rem;
  font-weight: 600;
  color: var(--accent);
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.project-title {
  font-size: 1.35rem;
  font-weight: 700;
  margin-bottom: 12px;
  letter-spacing: -0.01em;
}

.project-desc {
  color: var(--text-secondary);
  font-size: 0.93rem;
  line-height: 1.7;
  margin-bottom: 20px;
}

.project-tech {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.project-tech span {
  padding: 5px 12px;
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid var(--border);
  border-radius: 6px;
  font-size: 0.75rem;
  font-weight: 500;
  color: var(--text-muted);
}

.project-visual {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 200px;
  min-width: 200px;
  background: linear-gradient(135deg, var(--accent-dim) 0%, transparent 100%);
  border-left: 1px solid var(--border);
}

.project-icon-wrap {
  width: 80px;
  height: 80px;
  background: var(--accent-dim);
  border: 1px solid rgba(56, 189, 248, 0.15);
  border-radius: 24px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 2rem;
  color: var(--accent);
  transition: transform 0.4s var(--ease);
}

.project-card:hover .project-icon-wrap {
  transform: scale(1.1) rotate(5deg);
}

.project-link-hint {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin-top: 16px;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--accent);
  transition: gap 0.3s var(--ease);
}

.project-card:hover .project-link-hint {
  gap: 14px;
}

a.project-card {
  text-decoration: none;
  color: inherit;
  cursor: pointer;
}

/* --- Blog --- */
.blog-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
}

.blog-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 32px;
  display: flex;
  flex-direction: column;
  transition: border-color 0.4s, transform 0.4s var(--ease), box-shadow 0.4s;
}

.blog-card:hover {
  border-color: var(--border-hover);
  transform: translateY(-4px);
  box-shadow: 0 16px 48px rgba(0, 0, 0, 0.25);
}

.blog-card-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 16px;
}

.blog-tag {
  padding: 4px 12px;
  background: var(--accent-dim);
  border-radius: 6px;
  font-size: 0.72rem;
  font-weight: 600;
  color: var(--accent);
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.blog-date {
  font-size: 0.78rem;
  color: var(--text-muted);
  display: flex;
  align-items: center;
  gap: 6px;
}

.blog-title {
  font-size: 1.15rem;
  font-weight: 700;
  margin-bottom: 12px;
  letter-spacing: -0.01em;
}

.blog-excerpt {
  color: var(--text-secondary);
  font-size: 0.9rem;
  line-height: 1.6;
  flex: 1;
}

.blog-footer {
  margin-top: 20px;
}

.blog-read-btn {
  background: none;
  border: none;
  color: var(--accent);
  font-size: 0.85rem;
  font-weight: 600;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  transition: gap 0.3s var(--ease);
}

.blog-read-btn:hover {
  gap: 14px;
}

/* --- Contact --- */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 56px;
  align-items: start;
}

.contact-text {
  color: var(--text-secondary);
  font-size: 1.05rem;
  margin-bottom: 32px;
}

.contact-links {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.contact-link {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 18px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  transition: border-color 0.3s, transform 0.3s var(--ease);
}

.contact-link:hover {
  border-color: var(--accent);
  transform: translateX(6px);
}

.contact-link-icon {
  width: 44px;
  height: 44px;
  min-width: 44px;
  background: var(--accent-dim);
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--accent);
  font-size: 1rem;
}

.contact-link-label {
  display: block;
  font-size: 0.75rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  font-weight: 600;
  margin-bottom: 2px;
}

.contact-link-value {
  font-size: 0.9rem;
  color: var(--text-primary);
}

/* Contact form */
.contact-form {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.form-group label {
  display: block;
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--text-secondary);
  margin-bottom: 8px;
  letter-spacing: 0.02em;
}

.form-group input,
.form-group textarea {
  width: 100%;
  padding: 14px 18px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  color: var(--text-primary);
  font-family: inherit;
  font-size: 0.9rem;
  outline: none;
  transition: border-color 0.3s, box-shadow 0.3s;
}

.form-group input:focus,
.form-group textarea:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-dim);
}

.form-group input::placeholder,
.form-group textarea::placeholder {
  color: var(--text-muted);
}

.form-group textarea {
  resize: vertical;
  min-height: 100px;
}

/* --- Terminal --- */
.terminal-wrap {
  max-width: 720px;
  margin: 0 auto;
}

.terminal {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
}

.terminal-bar {
  display: flex;
  align-items: center;
  padding: 14px 18px;
  background: rgba(255, 255, 255, 0.02);
  border-bottom: 1px solid var(--border);
}

.terminal-dots {
  display: flex;
  gap: 7px;
}

.t-dot {
  width: 11px;
  height: 11px;
  border-radius: 50%;
}

.t-red { background: #ff5f57; }
.t-yellow { background: #ffbd2e; }
.t-green { background: #28c840; }

.terminal-title {
  margin-left: auto;
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.75rem;
  color: var(--text-muted);
}

.terminal-body {
  padding: 20px;
  max-height: 360px;
  overflow-y: auto;
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.82rem;
  line-height: 1.9;
}

.terminal-line {
  margin-bottom: 4px;
  word-break: break-word;
}

.t-prompt {
  color: var(--accent);
  margin-right: 8px;
  user-select: none;
}

.t-output {
  color: var(--text-secondary);
}

.t-output strong {
  color: var(--accent);
}

.terminal-input-wrap {
  display: flex;
  align-items: center;
  padding: 14px 20px;
  border-top: 1px solid var(--border);
  background: rgba(255, 255, 255, 0.01);
}

.terminal-input {
  flex: 1;
  background: none;
  border: none;
  color: var(--text-primary);
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.82rem;
  outline: none;
}

/* --- Modal --- */
.modal-overlay {
  position: fixed;
  inset: 0;
  z-index: 2000;
  background: rgba(6, 9, 15, 0.88);
  backdrop-filter: blur(12px);
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.4s var(--ease);
  padding: 24px;
}

.modal-overlay.active {
  opacity: 1;
  pointer-events: auto;
}

.modal {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  max-width: 680px;
  width: 100%;
  max-height: 80vh;
  overflow-y: auto;
  padding: 40px;
  transform: translateY(24px) scale(0.96);
  transition: transform 0.4s var(--ease);
  position: relative;
}

.modal-overlay.active .modal {
  transform: translateY(0) scale(1);
}

.modal-close {
  position: absolute;
  top: 16px;
  right: 16px;
  width: 36px;
  height: 36px;
  border-radius: 10px;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--border);
  color: var(--text-secondary);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background 0.3s, color 0.3s;
}

.modal-close:hover {
  background: rgba(255, 255, 255, 0.1);
  color: var(--text-primary);
}

.modal-content h2 {
  font-size: 1.5rem;
  font-weight: 700;
  margin-bottom: 24px;
}

.modal-content h3 {
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--accent);
  margin: 24px 0 12px;
}

.modal-content p {
  color: var(--text-secondary);
  margin-bottom: 14px;
  font-size: 0.93rem;
}

.modal-content code {
  font-family: 'JetBrains Mono', monospace;
  background: rgba(255, 255, 255, 0.05);
  padding: 2px 8px;
  border-radius: 4px;
  font-size: 0.84rem;
  color: var(--accent);
}

.modal-content pre {
  background: var(--bg-primary);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 18px;
  overflow-x: auto;
  margin: 14px 0;
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.82rem;
  line-height: 1.8;
  color: var(--text-secondary);
}

.modal-content ul,
.modal-content ol {
  padding-left: 20px;
  margin-bottom: 14px;
}

.modal-content li {
  color: var(--text-secondary);
  margin-bottom: 6px;
  font-size: 0.93rem;
}

/* --- Footer --- */
.footer {
  padding: 40px 0;
  border-top: 1px solid var(--border);
}

.footer-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.footer-brand {
  font-family: 'JetBrains Mono', monospace;
  font-weight: 700;
  font-size: 1rem;
}

.footer-copy {
  font-size: 0.8rem;
  color: var(--text-muted);
}

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

.footer-links a {
  width: 36px;
  height: 36px;
  border-radius: 10px;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-muted);
  transition: color 0.3s, border-color 0.3s, background 0.3s;
}

.footer-links a:hover {
  color: var(--accent);
  border-color: var(--accent);
  background: var(--accent-dim);
}

/* --- Reveal Animations --- */
.reveal {
  opacity: 0;
  transform: translateY(32px);
  transition: opacity 0.8s var(--ease), transform 0.8s var(--ease);
}

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

.reveal-delay-1 { transition-delay: 0.1s; }
.reveal-delay-2 { transition-delay: 0.2s; }
.reveal-delay-3 { transition-delay: 0.3s; }
.reveal-delay-4 { transition-delay: 0.4s; }

/* --- Responsive --- */
@media (max-width: 900px) {
  .about-grid,
  .contact-grid,
  .skills-grid,
  .blog-grid {
    grid-template-columns: 1fr;
  }

  .project-visual {
    display: none;
  }

  .hero-stats {
    gap: 20px;
  }
}

@media (max-width: 640px) {
  .section {
    padding: 80px 0;
  }

  .nav-links {
    position: fixed;
    top: var(--nav-h);
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(6, 9, 15, 0.97);
    backdrop-filter: blur(20px);
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 4px;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.3s;
  }

  .nav-links.open {
    opacity: 1;
    pointer-events: auto;
  }

  .nav-toggle {
    display: flex;
  }

  .nav-toggle.active span:nth-child(1) {
    transform: rotate(45deg) translate(5px, 5px);
  }
  .nav-toggle.active span:nth-child(2) {
    opacity: 0;
  }
  .nav-toggle.active span:nth-child(3) {
    transform: rotate(-45deg) translate(5px, -5px);
  }

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

  .project-body {
    padding: 48px 24px 24px;
  }

  .modal {
    padding: 28px;
  }

  .footer-inner {
    flex-direction: column;
    gap: 16px;
    text-align: center;
  }
}

/* Scrollbar */
::-webkit-scrollbar {
  width: 6px;
}

::-webkit-scrollbar-track {
  background: transparent;
}

::-webkit-scrollbar-thumb {
  background: var(--text-muted);
  border-radius: 3px;
}

::-webkit-scrollbar-thumb:hover {
  background: var(--text-secondary);
}