/* ═══════════════════════════════════════════════════════
   ScrapeGoat Docs — Neo-Brutalism Design System
   ═══════════════════════════════════════════════════════ */

@import url('https://fonts.googleapis.com/css2?family=Space+Grotesk:wght@400;500;600;700&family=Space+Mono:wght@400;700&display=swap');

/* ── CSS Variables ── */
:root {
  --bg: #FFFDF5;
  --text: #1a1a1a;
  --border: #1a1a1a;
  --shadow: #1a1a1a;
  --yellow: #FFD43B;
  --coral: #FF6B6B;
  --lime: #A9DC76;
  --sky: #74C0FC;
  --lavender: #D0BFFF;
  --pink: #FFA8D2;
  --orange: #FF922B;
  --mint: #63E6BE;
  --border-w: 3px;
  --shadow-sm: 4px 4px 0px var(--shadow);
  --shadow-md: 6px 6px 0px var(--shadow);
  --shadow-lg: 8px 8px 0px var(--shadow);
  --radius: 0px;
  --nav-h: 70px;
  --font-body: 'Space Grotesk', system-ui, sans-serif;
  --font-mono: 'Space Mono', 'Courier New', monospace;
  --transition: 0.15s ease;
}

[data-theme="dark"] {
  --bg: #1a1a1a;
  --text: #f0f0f0;
  --border: #f0f0f0;
  --shadow: #f0f0f0;
  --yellow: #FFD43B;
  --coral: #FF6B6B;
  --lime: #A9DC76;
  --sky: #74C0FC;
  --lavender: #D0BFFF;
}

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

html {
  scroll-behavior: smooth;
  scroll-padding-top: calc(var(--nav-h) + 24px);
}

body {
  font-family: var(--font-body);
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

a {
  color: var(--text);
  text-decoration: none;
}

/* ── Utility ── */
.container {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 24px;
}

.sr-only {
  position: absolute; width: 1px; height: 1px; padding: 0;
  margin: -1px; overflow: hidden; clip: rect(0,0,0,0); border: 0;
}

/* ══════════════════════════════
   NAVIGATION
   ══════════════════════════════ */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: var(--nav-h);
  background: var(--bg);
  border-bottom: var(--border-w) solid var(--border);
  z-index: 1000;
  display: flex;
  align-items: center;
}

.navbar .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
}

.navbar__logo {
  font-size: 1.5rem;
  font-weight: 700;
  letter-spacing: -0.5px;
  display: flex;
  align-items: center;
  gap: 8px;
}

.navbar__logo span {
  background: var(--yellow);
  border: var(--border-w) solid var(--border);
  padding: 2px 10px;
  box-shadow: 3px 3px 0 var(--shadow);
}

.navbar__links {
  display: flex;
  gap: 6px;
  list-style: none;
  align-items: center;
}

.navbar__links a {
  padding: 6px 14px;
  font-weight: 600;
  font-size: 0.9rem;
  border: 2px solid transparent;
  transition: all var(--transition);
  border-radius: var(--radius);
}

.navbar__links a:hover,
.navbar__links a.active {
  border-color: var(--border);
  background: var(--yellow);
  box-shadow: 3px 3px 0 var(--shadow);
  transform: translate(-1px, -1px);
}

.navbar__actions {
  display: flex;
  gap: 8px;
  align-items: center;
}

/* Theme toggle */
.theme-toggle {
  width: 40px;
  height: 40px;
  border: var(--border-w) solid var(--border);
  background: var(--lavender);
  box-shadow: var(--shadow-sm);
  cursor: pointer;
  font-size: 1.2rem;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all var(--transition);
}

.theme-toggle:hover {
  transform: translate(-2px, -2px);
  box-shadow: var(--shadow-md);
}

.theme-toggle:active {
  transform: translate(0, 0);
  box-shadow: none;
}

/* GitHub button */
.github-btn {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 8px 16px;
  font-weight: 700;
  font-size: 0.85rem;
  border: var(--border-w) solid var(--border);
  background: var(--bg);
  box-shadow: var(--shadow-sm);
  transition: all var(--transition);
  cursor: pointer;
  font-family: var(--font-body);
  color: var(--text);
}

.github-btn:hover {
  transform: translate(-2px, -2px);
  box-shadow: var(--shadow-md);
  background: var(--lime);
}

/* Hamburger */
.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  padding: 8px;
  border: 2px solid var(--border);
  background: var(--bg);
}
.hamburger span {
  width: 24px;
  height: 3px;
  background: var(--text);
  transition: all 0.3s;
}

/* ══════════════════════════════
   HERO SECTION
   ══════════════════════════════ */
.hero {
  padding: 160px 0 100px;
  text-align: center;
  position: relative;
  overflow: hidden;
}

.hero__badge {
  display: inline-block;
  background: var(--lime);
  border: var(--border-w) solid var(--border);
  box-shadow: var(--shadow-sm);
  padding: 6px 20px;
  font-weight: 700;
  font-size: 0.85rem;
  letter-spacing: 1px;
  text-transform: uppercase;
  margin-bottom: 24px;
}

.hero h1 {
  font-size: clamp(3rem, 8vw, 5.5rem);
  font-weight: 700;
  line-height: 1.05;
  letter-spacing: -2px;
  margin-bottom: 20px;
}

.hero h1 .highlight {
  background: var(--yellow);
  border: var(--border-w) solid var(--border);
  box-shadow: var(--shadow-sm);
  padding: 0 12px;
  display: inline-block;
  transform: rotate(-1deg);
}

.hero__subtitle {
  font-size: clamp(1.1rem, 2.5vw, 1.4rem);
  max-width: 650px;
  margin: 0 auto 40px;
  line-height: 1.5;
  opacity: 0.85;
}

.hero__cta {
  display: flex;
  gap: 16px;
  justify-content: center;
  flex-wrap: wrap;
}

.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 32px;
  font-family: var(--font-body);
  font-size: 1rem;
  font-weight: 700;
  border: var(--border-w) solid var(--border);
  box-shadow: var(--shadow-md);
  cursor: pointer;
  transition: all var(--transition);
  text-decoration: none;
  color: var(--text);
}

.btn:hover {
  transform: translate(-3px, -3px);
  box-shadow: var(--shadow-lg);
}

.btn:active {
  transform: translate(0, 0);
  box-shadow: none;
}

.btn--primary {
  background: var(--yellow);
}

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

.hero__terminal {
  max-width: 650px;
  margin: 60px auto 0;
  text-align: left;
  border: var(--border-w) solid var(--border);
  box-shadow: var(--shadow-lg);
  background: #2d2d2d;
  color: #f8f8f2;
  font-family: var(--font-mono);
  font-size: 0.88rem;
  overflow: hidden;
}

.hero__terminal-header {
  background: #3d3d3d;
  padding: 10px 16px;
  display: flex;
  align-items: center;
  gap: 8px;
  border-bottom: 2px solid var(--border);
}

.hero__terminal-dot {
  width: 12px;
  height: 12px;
  border-radius: 50%;
  border: 2px solid #555;
}
.hero__terminal-dot--red { background: #ff5f57; }
.hero__terminal-dot--yellow { background: #febc2e; }
.hero__terminal-dot--green { background: #28c840; }

.hero__terminal-body {
  padding: 20px;
  line-height: 1.8;
  overflow-x: auto;
}

.hero__terminal-body .prompt {
  color: var(--lime);
}

.hero__terminal-body .cmd {
  color: #f8f8f2;
}

.hero__terminal-body .output {
  color: #999;
}

.hero__terminal-body .success {
  color: var(--lime);
}

/* ── Floating shapes (decorative) ── */
.hero__shapes {
  position: absolute;
  inset: 0;
  pointer-events: none;
  z-index: -1;
  overflow: hidden;
}

.hero__shape {
  position: absolute;
  border: var(--border-w) solid var(--border);
  opacity: 0.15;
}

.hero__shape--1 {
  width: 120px; height: 120px;
  background: var(--coral);
  top: 15%; left: 5%;
  transform: rotate(15deg);
  animation: float 6s ease-in-out infinite;
}

.hero__shape--2 {
  width: 80px; height: 80px;
  background: var(--sky);
  top: 25%; right: 8%;
  border-radius: 50%;
  animation: float 8s ease-in-out infinite reverse;
}

.hero__shape--3 {
  width: 60px; height: 60px;
  background: var(--lavender);
  bottom: 20%; left: 12%;
  transform: rotate(45deg);
  animation: float 7s ease-in-out infinite;
}

.hero__shape--4 {
  width: 100px; height: 100px;
  background: var(--yellow);
  bottom: 15%; right: 10%;
  animation: float 5s ease-in-out infinite reverse;
}

@keyframes float {
  0%, 100% { transform: translateY(0) rotate(var(--r, 0deg)); }
  50% { transform: translateY(-20px) rotate(var(--r, 0deg)); }
}

/* ══════════════════════════════
   SECTIONS
   ══════════════════════════════ */
section {
  padding: 80px 0;
}

section:nth-child(even) {
  border-top: var(--border-w) solid var(--border);
  border-bottom: var(--border-w) solid var(--border);
}

.section-header {
  text-align: center;
  margin-bottom: 60px;
}

.section-header__tag {
  display: inline-block;
  padding: 4px 16px;
  font-weight: 700;
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 2px;
  border: var(--border-w) solid var(--border);
  box-shadow: var(--shadow-sm);
  margin-bottom: 16px;
}

.section-header h2 {
  font-size: clamp(2rem, 5vw, 3rem);
  font-weight: 700;
  letter-spacing: -1px;
  margin-bottom: 12px;
}

.section-header p {
  font-size: 1.1rem;
  max-width: 600px;
  margin: 0 auto;
  opacity: 0.8;
}

/* ══════════════════════════════
   WHAT IS SECTION
   ══════════════════════════════ */
.what-is__grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 40px;
  align-items: center;
}

.what-is__text h3 {
  font-size: 1.6rem;
  margin-bottom: 16px;
}

.what-is__text p {
  font-size: 1.05rem;
  line-height: 1.7;
  margin-bottom: 16px;
}

.what-is__cards {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}

.what-is__card {
  padding: 20px;
  border: var(--border-w) solid var(--border);
  box-shadow: var(--shadow-sm);
  transition: all var(--transition);
}

.what-is__card:hover {
  transform: translate(-2px, -2px);
  box-shadow: var(--shadow-md);
}

.what-is__card:nth-child(1) { background: var(--yellow); }
.what-is__card:nth-child(2) { background: var(--sky); }
.what-is__card:nth-child(3) { background: var(--coral); }
.what-is__card:nth-child(4) { background: var(--lime); }

.what-is__card-icon {
  font-size: 1.8rem;
  margin-bottom: 8px;
}

.what-is__card h4 {
  font-size: 1rem;
  margin-bottom: 4px;
}

.what-is__card p {
  font-size: 0.85rem;
  opacity: 0.8;
}

/* ══════════════════════════════
   FEATURES GRID
   ══════════════════════════════ */
.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 24px;
}

.feature-card {
  padding: 32px;
  border: var(--border-w) solid var(--border);
  box-shadow: var(--shadow-md);
  background: var(--bg);
  transition: all var(--transition);
  position: relative;
  overflow: hidden;
}

.feature-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 6px;
}

.feature-card:nth-child(1)::before { background: var(--yellow); }
.feature-card:nth-child(2)::before { background: var(--coral); }
.feature-card:nth-child(3)::before { background: var(--lime); }
.feature-card:nth-child(4)::before { background: var(--sky); }
.feature-card:nth-child(5)::before { background: var(--lavender); }
.feature-card:nth-child(6)::before { background: var(--orange); }
.feature-card:nth-child(7)::before { background: var(--pink); }
.feature-card:nth-child(8)::before { background: var(--mint); }

.feature-card:hover {
  transform: translate(-3px, -3px);
  box-shadow: var(--shadow-lg);
}

.feature-card__icon {
  font-size: 2rem;
  margin-bottom: 16px;
  display: inline-block;
  background: var(--yellow);
  width: 56px;
  height: 56px;
  border: var(--border-w) solid var(--border);
  box-shadow: 3px 3px 0 var(--shadow);
  display: flex;
  align-items: center;
  justify-content: center;
}

.feature-card:nth-child(2) .feature-card__icon { background: var(--coral); }
.feature-card:nth-child(3) .feature-card__icon { background: var(--lime); }
.feature-card:nth-child(4) .feature-card__icon { background: var(--sky); }
.feature-card:nth-child(5) .feature-card__icon { background: var(--lavender); }
.feature-card:nth-child(6) .feature-card__icon { background: var(--orange); }
.feature-card:nth-child(7) .feature-card__icon { background: var(--pink); }
.feature-card:nth-child(8) .feature-card__icon { background: var(--mint); }

.feature-card h3 {
  font-size: 1.2rem;
  margin-bottom: 8px;
}

.feature-card p {
  font-size: 0.95rem;
  opacity: 0.8;
  line-height: 1.5;
}

/* ══════════════════════════════
   GETTING STARTED
   ══════════════════════════════ */
.steps {
  display: flex;
  flex-direction: column;
  gap: 32px;
  max-width: 800px;
  margin: 0 auto;
}

.step {
  display: flex;
  gap: 24px;
  align-items: flex-start;
}

.step__number {
  flex-shrink: 0;
  width: 56px;
  height: 56px;
  border: var(--border-w) solid var(--border);
  box-shadow: var(--shadow-sm);
  font-size: 1.5rem;
  font-weight: 700;
  display: flex;
  align-items: center;
  justify-content: center;
}

.step:nth-child(1) .step__number { background: var(--yellow); }
.step:nth-child(2) .step__number { background: var(--sky); }
.step:nth-child(3) .step__number { background: var(--lime); }
.step:nth-child(4) .step__number { background: var(--coral); }

.step__content {
  flex: 1;
}

.step__content h3 {
  font-size: 1.2rem;
  margin-bottom: 8px;
}

.step__content p {
  font-size: 0.95rem;
  margin-bottom: 12px;
  opacity: 0.85;
}

/* ══════════════════════════════
   CODE BLOCKS
   ══════════════════════════════ */
.code-block {
  position: relative;
  border: var(--border-w) solid var(--border);
  box-shadow: var(--shadow-sm);
  background: #2d2d2d;
  color: #f8f8f2;
  font-family: var(--font-mono);
  font-size: 0.85rem;
  overflow: hidden;
}

.code-block__header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 8px 16px;
  background: #3d3d3d;
  border-bottom: 2px solid var(--border);
  font-size: 0.75rem;
}

.code-block__lang {
  color: #999;
  text-transform: uppercase;
  letter-spacing: 1px;
  font-weight: 700;
}

.code-block__copy {
  padding: 4px 12px;
  background: #555;
  border: 2px solid #777;
  color: #f8f8f2;
  cursor: pointer;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  font-weight: 700;
  transition: all var(--transition);
}

.code-block__copy:hover {
  background: var(--yellow);
  color: #1a1a1a;
  border-color: #1a1a1a;
}

.code-block__copy--copied {
  background: var(--lime) !important;
  color: #1a1a1a !important;
  border-color: #1a1a1a !important;
}

.code-block pre {
  padding: 20px;
  overflow-x: auto;
  line-height: 1.7;
}

.code-block code .kw { color: #ff79c6; }
.code-block code .str { color: #f1fa8c; }
.code-block code .fn { color: #8be9fd; }
.code-block code .cmt { color: #6272a4; }
.code-block code .num { color: #bd93f9; }
.code-block code .pmt { color: var(--lime); }
.code-block code .flag { color: var(--sky); }

/* ══════════════════════════════
   COMMANDS REFERENCE
   ══════════════════════════════ */
.commands-tabs {
  display: flex;
  gap: 8px;
  margin-bottom: 24px;
  flex-wrap: wrap;
  justify-content: center;
}

.commands-tab {
  padding: 10px 24px;
  font-family: var(--font-body);
  font-size: 0.95rem;
  font-weight: 700;
  border: var(--border-w) solid var(--border);
  background: var(--bg);
  cursor: pointer;
  transition: all var(--transition);
  box-shadow: var(--shadow-sm);
  color: var(--text);
}

.commands-tab:hover {
  transform: translate(-2px, -2px);
  box-shadow: var(--shadow-md);
}

.commands-tab.active {
  background: var(--yellow);
  transform: translate(-2px, -2px);
  box-shadow: var(--shadow-md);
}

.command-panel {
  display: none;
  max-width: 800px;
  margin: 0 auto;
}

.command-panel.active {
  display: block;
}

.command-panel h3 {
  font-size: 1.4rem;
  margin-bottom: 8px;
}

.command-panel > p {
  margin-bottom: 20px;
  font-size: 1rem;
  opacity: 0.85;
}

/* Flags table */
.flags-table {
  width: 100%;
  border-collapse: collapse;
  border: var(--border-w) solid var(--border);
  box-shadow: var(--shadow-sm);
  margin-top: 24px;
  font-size: 0.9rem;
}

.flags-table th {
  text-align: left;
  padding: 12px 16px;
  background: var(--yellow);
  border: 2px solid var(--border);
  font-weight: 700;
}

.flags-table td {
  padding: 10px 16px;
  border: 2px solid var(--border);
}

.flags-table tr:nth-child(even) td {
  background: rgba(0,0,0,0.03);
}

[data-theme="dark"] .flags-table tr:nth-child(even) td {
  background: rgba(255,255,255,0.03);
}

.flags-table code {
  font-family: var(--font-mono);
  font-size: 0.85rem;
  background: var(--sky);
  padding: 2px 6px;
  border: 2px solid var(--border);
}

/* ══════════════════════════════
   SDK SECTION
   ══════════════════════════════ */
.sdk-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 32px;
  align-items: start;
}

.sdk-options {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.sdk-option {
  padding: 16px 20px;
  border: var(--border-w) solid var(--border);
  box-shadow: var(--shadow-sm);
  transition: all var(--transition);
  cursor: default;
}

.sdk-option:hover {
  transform: translate(-2px, -2px);
  box-shadow: var(--shadow-md);
}

.sdk-option:nth-child(odd) { background: var(--lavender); }
.sdk-option:nth-child(even) { background: var(--mint); }

.sdk-option code {
  font-family: var(--font-mono);
  font-size: 0.88rem;
  font-weight: 700;
}

.sdk-option p {
  font-size: 0.85rem;
  margin-top: 4px;
  opacity: 0.8;
}

/* ══════════════════════════════
   ARCHITECTURE
   ══════════════════════════════ */
.arch-diagram {
  max-width: 900px;
  margin: 0 auto;
  padding: 40px;
  border: var(--border-w) solid var(--border);
  box-shadow: var(--shadow-lg);
  background: var(--bg);
  font-family: var(--font-mono);
  font-size: 0.78rem;
  overflow-x: auto;
}

.arch-layer {
  display: flex;
  gap: 12px;
  justify-content: center;
  margin-bottom: 16px;
  flex-wrap: wrap;
}

.arch-box {
  padding: 12px 20px;
  border: var(--border-w) solid var(--border);
  box-shadow: var(--shadow-sm);
  font-weight: 700;
  text-align: center;
  min-width: 120px;
  transition: all var(--transition);
}

.arch-box:hover {
  transform: translate(-2px, -2px);
  box-shadow: var(--shadow-md);
}

.arch-connector {
  text-align: center;
  font-size: 1.5rem;
  margin: 8px 0;
  color: var(--text);
  opacity: 0.5;
}

.arch-label {
  text-align: center;
  font-weight: 700;
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 2px;
  margin-bottom: 8px;
  padding: 4px 12px;
  display: inline-block;
}

.arch-layer-wrapper {
  text-align: center;
  margin-bottom: 16px;
}

/* ══════════════════════════════
   CONFIG SECTION
   ══════════════════════════════ */
.config-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 32px;
}

.config-info {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.config-item {
  padding: 16px 20px;
  border: var(--border-w) solid var(--border);
  box-shadow: var(--shadow-sm);
  transition: all var(--transition);
}

.config-item:hover {
  transform: translate(-2px, -2px);
  box-shadow: var(--shadow-md);
}

.config-item:nth-child(1) { background: var(--yellow); }
.config-item:nth-child(2) { background: var(--sky); }
.config-item:nth-child(3) { background: var(--lime); }
.config-item:nth-child(4) { background: var(--coral); }
.config-item:nth-child(5) { background: var(--lavender); }

.config-item h4 {
  font-size: 1rem;
  margin-bottom: 4px;
}

.config-item p {
  font-size: 0.88rem;
  opacity: 0.8;
}

/* ══════════════════════════════
   FAQ
   ══════════════════════════════ */
.faq-list {
  max-width: 750px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.faq-item {
  border: var(--border-w) solid var(--border);
  box-shadow: var(--shadow-sm);
  background: var(--bg);
  overflow: hidden;
  transition: all var(--transition);
}

.faq-item:hover {
  box-shadow: var(--shadow-md);
}

.faq-question {
  width: 100%;
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 18px 24px;
  background: none;
  border: none;
  font-family: var(--font-body);
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--text);
  cursor: pointer;
  text-align: left;
}

.faq-question__icon {
  font-size: 1.5rem;
  font-weight: 700;
  transition: transform 0.3s;
  flex-shrink: 0;
  margin-left: 16px;
}

.faq-item.open .faq-question__icon {
  transform: rotate(45deg);
}

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.35s ease, padding 0.35s ease;
}

.faq-answer__inner {
  padding: 0 24px 20px;
  font-size: 0.95rem;
  line-height: 1.6;
  opacity: 0.85;
}

.faq-item.open .faq-answer {
  max-height: 300px;
}

/* ══════════════════════════════
   FOOTER
   ══════════════════════════════ */
.footer {
  border-top: var(--border-w) solid var(--border);
  padding: 48px 0;
  text-align: center;
}

.footer__logo {
  font-size: 1.8rem;
  font-weight: 700;
  margin-bottom: 16px;
}

.footer__links {
  display: flex;
  gap: 24px;
  justify-content: center;
  margin-bottom: 16px;
  flex-wrap: wrap;
}

.footer__links a {
  font-weight: 600;
  font-size: 0.95rem;
  padding: 4px 8px;
  border-bottom: 2px solid transparent;
  transition: all var(--transition);
}

.footer__links a:hover {
  border-bottom-color: var(--text);
}

.footer__copy {
  font-size: 0.85rem;
  opacity: 0.6;
}

/* ══════════════════════════════
   MOBILE NAV OVERLAY
   ══════════════════════════════ */
.mobile-nav {
  position: fixed;
  top: var(--nav-h);
  left: 0;
  right: 0;
  background: var(--bg);
  border-bottom: var(--border-w) solid var(--border);
  padding: 24px;
  display: none;
  flex-direction: column;
  gap: 8px;
  z-index: 999;
  box-shadow: 0 10px 30px rgba(0,0,0,0.1);
}

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

.mobile-nav a {
  padding: 12px 16px;
  font-weight: 600;
  font-size: 1rem;
  border: 2px solid var(--border);
  background: var(--bg);
  text-align: center;
  transition: all var(--transition);
}

.mobile-nav a:hover {
  background: var(--yellow);
  box-shadow: var(--shadow-sm);
}

/* ══════════════════════════════
   RESPONSIVE
   ══════════════════════════════ */
@media (max-width: 768px) {
  .navbar__links,
  .navbar__actions .github-btn {
    display: none;
  }

  .hamburger {
    display: flex;
  }

  .hero h1 {
    font-size: clamp(2.2rem, 8vw, 3.5rem);
  }

  .what-is__grid {
    grid-template-columns: 1fr;
  }

  .what-is__cards {
    grid-template-columns: 1fr 1fr;
  }

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

  .sdk-grid,
  .config-grid {
    grid-template-columns: 1fr;
  }

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

  .step__number {
    width: 48px;
    height: 48px;
  }

  section {
    padding: 56px 0;
  }

  .hero {
    padding: 120px 0 60px;
  }

  .arch-diagram {
    padding: 20px;
  }
}

@media (max-width: 480px) {
  .what-is__cards {
    grid-template-columns: 1fr;
  }

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

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

  .commands-tabs {
    flex-direction: column;
  }
}

/* ── Scroll animations ── */
.fade-in {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.fade-in.visible {
  opacity: 1;
  transform: translateY(0);
}

/* ── Back to top ── */
.back-to-top {
  position: fixed;
  bottom: 24px;
  right: 24px;
  width: 48px;
  height: 48px;
  border: var(--border-w) solid var(--border);
  background: var(--yellow);
  box-shadow: var(--shadow-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.4rem;
  cursor: pointer;
  opacity: 0;
  pointer-events: none;
  transition: all var(--transition);
  z-index: 900;
}

.back-to-top.visible {
  opacity: 1;
  pointer-events: all;
}

.back-to-top:hover {
  transform: translate(-2px, -2px);
  box-shadow: var(--shadow-md);
}