/*
 * ============================================================================
 * ScholarScout — Minimalist Grayscale Obsidian Landing Page Stylesheet
 * ============================================================================
 *
 * Aesthetic matches the main dashboard app: clean charcoal blacks, sharp borders,
 * monospace metrics, solid black-on-white CTAs, and zero heavy gradients.
 */

/* ─── 1. DESIGN TOKENS (Grayscale Obsidian Style) ────────────────────────── */
:root {
  /* Fonts */
  --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  --font-mono: 'Courier New', Courier, SFMono-Regular, Consolas, Monaco, monospace;
  
  /* Color Palette */
  --bg-primary: #181818;
  --bg-secondary: #121212;
  --bg-card: #222222;
  --bg-hover: #333333;
  --border-color: #3b3b3b;
  --border-color-hover: #555555;
  
  /* Typography Colors */
  --text-active: #ffffff;
  --text-primary: #d4d4d4;
  --text-secondary: #a0a0a0;
  
  /* Accent Colors */
  --accent-green: #66cc66;
  --accent-yellow: #cccc66;
  --accent-red: #ff6b6b;
  
  /* Borders & Shadows */
  --radius-sm: 4px;
  --radius-md: 6px;
  --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.4);
  --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.3);

  /* Transitions */
  --transition-fast: 0.15s ease;
  --transition-normal: 0.2s ease;
}

/* ─── 2. RESET & BASE STYLES ────────────────────────────────────────────── */
* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
  font-size: 15px;
  background-color: var(--bg-primary);
}

body {
  font-family: var(--font-sans);
  color: var(--text-primary);
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
  background-color: var(--bg-primary);
}

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

button, input, select, textarea {
  font-family: inherit;
}

ul, ol {
  list-style: none;
}

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

/* Scrollbar customization */
::-webkit-scrollbar {
  width: 6px;
  height: 6px;
}
::-webkit-scrollbar-track {
  background: var(--bg-primary);
}
::-webkit-scrollbar-thumb {
  background: var(--border-color);
  border-radius: var(--radius-sm);
}
::-webkit-scrollbar-thumb:hover {
  background: var(--border-color-hover);
}

/* Helper Utilities */
.container {
  width: 100%;
  max-width: 1140px;
  margin-left: auto;
  margin-right: auto;
  padding-left: 1.5rem;
  padding-right: 1.5rem;
}

/* Text Highlights */
.gradient-text {
  color: var(--text-active);
  font-weight: 700;
}

/* ─── 3. REUSABLE COMPONENTS ────────────────────────────────────────────── */

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  font-weight: 500;
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: all var(--transition-normal);
  border: 1px solid var(--border-color);
  white-space: nowrap;
  font-size: 11px;
}

.btn--sm {
  padding: 4px 10px;
}

.btn--md {
  padding: 6px 14px;
}

.btn--lg {
  padding: 8px 16px;
  font-size: 12px;
}

.btn--primary {
  background: #ffffff;
  color: var(--bg-primary);
  border-color: #ffffff;
}

.btn--primary:hover {
  opacity: 0.9;
}

.btn--outline {
  background: var(--bg-primary);
  color: var(--text-primary);
  border-color: var(--border-color);
}

.btn--outline:hover {
  background: var(--bg-hover);
  color: var(--text-active);
  border-color: var(--border-color-hover);
}

/* Grayscale Card */
.glass-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-sm);
  transition: all var(--transition-normal);
}

.glass-card:hover {
  border-color: var(--border-color-hover);
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

/* Section Header */
.section {
  padding: 6rem 0 3rem;
  border-bottom: 1px solid var(--border-color);
}

.section__header {
  text-align: center;
  max-width: 620px;
  margin: 0 auto 3rem;
}

.section__badge {
  font-size: 10px;
  text-transform: uppercase;
  letter-spacing: 1px;
  font-weight: 600;
  color: var(--text-secondary);
  background: var(--bg-card);
  padding: 4px 10px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border-color);
  display: inline-block;
  margin-bottom: 0.75rem;
}

.section__title {
  font-size: 24px;
  font-weight: 600;
  color: var(--text-active);
  margin-bottom: 0.75rem;
  letter-spacing: 0.5px;
}

.section__subtitle {
  font-size: 12px;
  color: var(--text-secondary);
  line-height: 1.6;
}

/* Badges */
.badge {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  font-size: 11px;
  font-weight: 500;
  padding: 4px 10px;
  border-radius: var(--radius-sm);
  background: var(--bg-primary);
  border: 1px solid var(--border-color);
  color: var(--text-secondary);
  text-transform: uppercase;
  letter-spacing: 1px;
}

/* Grounding Badges specific styles */
.grounding-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  font-size: 9px;
  font-weight: 500;
  padding: 2px 8px;
  border-radius: var(--radius-sm);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  border: 1px solid transparent;
}

.grounding-badge--grounded {
  border-color: var(--accent-green);
  color: var(--accent-green);
  background: rgba(102, 204, 102, 0.05);
}

.grounding-badge--partial {
  border-color: var(--accent-yellow);
  color: var(--accent-yellow);
  background: rgba(204, 204, 102, 0.05);
}

.grounding-badge--caution {
  border-color: var(--accent-red);
  color: var(--accent-red);
  background: rgba(255, 107, 107, 0.05);
}

/* Typing cursor */
.typing-text::after {
  content: '_';
  margin-left: 2px;
  animation: blink 0.8s infinite;
  color: var(--text-active);
  font-weight: bold;
}

@keyframes blink {
  0%, 100% { opacity: 1; }
  50% { opacity: 0; }
}

/* ─── 4. SITE HEADER & NAVIGATION ──────────────────────────────────────── */
.site-header {
  position: sticky;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 1000;
  background: var(--bg-primary);
  border-bottom: 1px solid var(--border-color);
}

.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 64px;
}

.nav__logo {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  font-weight: 700;
  font-size: 16px;
  color: var(--text-active);
  letter-spacing: 0.5px;
}

.nav__logo img {
  border-radius: var(--radius-sm);
}

.nav__wordmark {
  color: var(--text-active);
}

.nav__toggle {
  display: none;
  background: none;
  border: none;
  color: var(--text-primary);
  cursor: pointer;
  padding: 0.5rem;
}

.nav__menu {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.nav__link {
  font-size: 12px;
  font-weight: 500;
  color: var(--text-secondary);
  padding: 6px 12px;
  border-radius: var(--radius-sm);
  transition: var(--transition-fast);
}

.nav__link:hover,
.nav__link.active {
  background: var(--bg-hover);
  color: var(--text-active);
}

.nav__actions {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.nav__github {
  color: var(--text-secondary);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 6px;
  border-radius: var(--radius-sm);
  border: 1px solid transparent;
}

.nav__github:hover {
  color: var(--text-active);
  background: var(--bg-hover);
  border-color: var(--border-color);
}

/* ─── 5. HERO SECTION ───────────────────────────────────────────────────── */
.hero {
  position: relative;
  padding: 4rem 0 3rem;
  border-bottom: 1px solid var(--border-color);
}

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

.hero__content {
  max-width: 720px;
  margin-bottom: 3rem;
  display: flex;
  flex-direction: column;
  align-items: center;
}

#hero-badge {
  margin-bottom: 1.5rem;
}

.hero__headline {
  font-size: 36px;
  font-weight: 700;
  line-height: 1.2;
  letter-spacing: -0.5px;
  margin-bottom: 1rem;
  color: var(--text-active);
}

.hero__subheadline {
  font-size: 13px;
  color: var(--text-secondary);
  margin-bottom: 2rem;
  max-width: 580px;
  line-height: 1.6;
}

.hero__subheadline strong {
  color: var(--text-active);
  font-weight: 600;
}

.hero__buttons {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.hero__image {
  position: relative;
  width: 100%;
  max-width: 900px;
  margin: 0 auto 3rem;
  border-radius: var(--radius-md);
  border: 1px solid var(--border-color);
  box-shadow: var(--shadow-md);
  overflow: hidden;
  background-color: var(--bg-secondary);
}

.hero__image img {
  width: 100%;
  height: auto;
  opacity: 0.9;
}

.hero__stats {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1rem;
  width: 100%;
  max-width: 800px;
}

.hero__stat {
  padding: 1.25rem;
  text-align: center;
}

.hero__stat-value {
  font-family: var(--font-mono);
  font-size: 20px;
  font-weight: 400;
  display: block;
  margin-bottom: 0.25rem;
  color: var(--text-active);
}

.hero__stat-label {
  font-size: 10px;
  color: var(--text-secondary);
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

/* ─── 6. FEATURES SECTION ───────────────────────────────────────────────── */
.features__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.25rem;
}

.feature-card {
  padding: 2rem;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
}

.feature-card__icon {
  width: 36px;
  height: 36px;
  border-radius: var(--radius-sm);
  background: var(--bg-primary);
  color: var(--text-secondary);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 1.25rem;
  border: 1px solid var(--border-color);
}

.feature-card:hover .feature-card__icon {
  color: var(--text-active);
  border-color: var(--border-color-hover);
}

.feature-card__title {
  font-size: 14px;
  font-weight: 600;
  margin-bottom: 0.5rem;
  color: var(--text-active);
}

.feature-card__desc {
  font-size: 12px;
  color: var(--text-secondary);
  line-height: 1.5;
}

/* ─── 7. HOW IT WORKS SECTION ───────────────────────────────────────────── */
.how-it-works {
  background-color: var(--bg-secondary);
}

.steps {
  display: flex;
  flex-direction: column;
  align-items: center;
  max-width: 720px;
  margin: 0 auto;
}

.step {
  display: flex;
  align-items: center;
  gap: 1.5rem;
  padding: 1.75rem;
  width: 100%;
}

.step__number {
  font-family: var(--font-mono);
  font-size: 18px;
  font-weight: bold;
  color: var(--text-secondary);
  background: var(--bg-primary);
  border: 1px solid var(--border-color);
  width: 44px;
  height: 44px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  transition: all var(--transition-normal);
}

.step:hover .step__number {
  color: var(--bg-primary);
  background: var(--text-active);
  border-color: var(--text-active);
}

.step__content {
  flex-grow: 1;
}

.step__title {
  font-size: 14px;
  font-weight: 600;
  margin-bottom: 0.25rem;
  color: var(--text-active);
}

.step__desc {
  font-size: 12px;
  color: var(--text-secondary);
}

.step__icon {
  color: var(--text-secondary);
  opacity: 0.3;
  flex-shrink: 0;
  transition: opacity var(--transition-normal);
}

.step:hover .step__icon {
  opacity: 0.8;
  color: var(--text-active);
}

.steps__connector {
  height: 32px;
  display: flex;
  align-items: center;
  justify-content: center;
}

/* ─── 8. THREE MODES SECTION ────────────────────────────────────────────── */
.modes__tabs {
  display: flex;
  justify-content: center;
  gap: 0.25rem;
  margin-bottom: 2rem;
  background: var(--bg-secondary);
  padding: 4px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border-color);
  max-width: 360px;
  margin-left: auto;
  margin-right: auto;
}

.modes__tab {
  background: transparent;
  border: none;
  padding: 6px 14px;
  font-size: 12px;
  font-weight: 500;
  color: var(--text-secondary);
  border-radius: var(--radius-sm);
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  transition: all var(--transition-normal);
}

.modes__tab:hover {
  color: var(--text-primary);
  background: var(--bg-hover);
}

.modes__tab.active {
  background: var(--bg-hover);
  color: var(--text-active);
}

.modes__panels {
  max-width: 900px;
  margin: 0 auto;
}

.modes__panel {
  display: none;
  grid-template-columns: 1.2fr 1fr;
  gap: 2.5rem;
  padding: 2.5rem;
  align-items: center;
}

.modes__panel.active {
  display: grid;
}

.modes__question {
  font-size: 11px;
  color: var(--text-secondary);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  margin-bottom: 0.5rem;
  display: block;
}

.modes__panel-title {
  font-size: 20px;
  font-weight: 600;
  margin-bottom: 1rem;
  color: var(--text-active);
}

.modes__panel-desc {
  color: var(--text-secondary);
  margin-bottom: 1.5rem;
  font-size: 12px;
}

.modes__list {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.modes__list li {
  display: flex;
  align-items: flex-start;
  gap: 0.5rem;
  font-size: 12px;
  color: var(--text-primary);
}

.modes__list li svg {
  color: var(--text-secondary);
  flex-shrink: 0;
  margin-top: 2px;
}

.modes__panel-visual {
  display: flex;
  justify-content: center;
}

.modes__mock-card {
  background: var(--bg-primary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 1.5rem;
  width: 100%;
  max-width: 320px;
  position: relative;
  overflow: hidden;
}

.modes__mock-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 3px;
  height: 100%;
  background: var(--border-color);
}

#panel-academic .modes__mock-card::before {
  background: var(--text-active);
}

#panel-product .modes__mock-card::before {
  background: var(--text-secondary);
}

#panel-develop .modes__mock-card::before {
  background: var(--border-color-hover);
}

.modes__mock-badge {
  display: inline-block;
  font-size: 9px;
  font-weight: 600;
  text-transform: uppercase;
  padding: 2px 6px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border-color);
  margin-bottom: 0.75rem;
  color: var(--text-secondary);
}

.modes__mock-title {
  font-weight: 600;
  font-size: 13px;
  line-height: 1.4;
  margin-bottom: 1.25rem;
  color: var(--text-active);
}

.modes__mock-meta {
  display: flex;
  justify-content: space-between;
  font-size: 10px;
  color: var(--text-secondary);
}

.modes__mock-score {
  font-weight: 500;
}

.modes__mock-grounding--grounded {
  color: var(--accent-green);
}

.modes__mock-grounding--partial {
  color: var(--accent-yellow);
}

/* ─── 9. TRUST & QUALITY SECTION ────────────────────────────────────────── */
.trust__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.25rem;
}

.trust__card {
  padding: 2.25rem 1.75rem;
  display: flex;
  flex-direction: column;
}

.trust__card-icon {
  color: var(--text-secondary);
  margin-bottom: 1rem;
}

.trust__card-title {
  font-size: 14px;
  font-weight: 600;
  margin-bottom: 0.75rem;
  color: var(--text-active);
}

.trust__card-desc {
  font-size: 12px;
  color: var(--text-secondary);
  line-height: 1.5;
}

.trust__badges {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-top: 1.25rem;
}

/* ─── 10. PROVIDER COMPARISON ───────────────────────────────────────────── */
.providers {
  background-color: var(--bg-secondary);
}

.providers__table-wrapper {
  max-width: 800px;
  margin: 0 auto;
  overflow-x: auto;
}

.providers__table {
  width: 100%;
  border-collapse: collapse;
  text-align: left;
  font-size: 12px;
}

.providers__table th,
.providers__table td {
  padding: 1rem 1.25rem;
  border-bottom: 1px solid var(--border-color);
}

.providers__table th {
  font-weight: 600;
  color: var(--text-active);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  background-color: var(--bg-primary);
}

.providers__table tr:last-child td {
  border-bottom: none;
}

.provider__name {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-weight: 600;
  color: var(--text-active);
}

.provider__name svg {
  color: var(--text-secondary);
}

.provider__badge {
  display: inline-block;
  font-size: 9px;
  font-weight: 600;
  padding: 2px 6px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border-color);
  text-transform: uppercase;
}

.provider__badge--free {
  border-color: var(--accent-green);
  color: var(--accent-green);
}

.provider__badge--neutral {
  border-color: var(--border-color-hover);
  color: var(--text-primary);
}

.provider__badge--paid {
  border-color: var(--border-color-hover);
  color: var(--text-secondary);
}

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

/* ─── 11. COMMUNITY SECTION ─────────────────────────────────────────────── */
.community__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.25rem;
}

.community-card {
  padding: 2rem 1.5rem;
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
}

.community-card__avatar {
  width: 64px;
  height: 64px;
  border-radius: 50%;
  background: var(--bg-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 1.25rem;
  border: 1px solid var(--border-color);
  overflow: hidden;
}

.community-card__avatar img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.community-card__avatar-placeholder {
  color: var(--text-secondary);
}

.community-card__name {
  font-size: 13px;
  font-weight: 600;
  color: var(--text-active);
  margin-bottom: 0.25rem;
}

.community-card__role {
  font-size: 11px;
  color: var(--text-secondary);
  font-weight: 500;
  margin-bottom: 0.75rem;
}

.community-card__location {
  font-size: 10px;
  color: var(--text-secondary);
  margin-top: -0.5rem;
  margin-bottom: 0.5rem;
  font-style: italic;
}

.community-card__desc {
  font-size: 12px;
  color: var(--text-secondary);
  margin-bottom: 1.25rem;
  line-height: 1.4;
}

.community-card__github {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  font-size: 10px;
  font-weight: 500;
  color: var(--text-primary);
  background: var(--bg-primary);
  padding: 4px 8px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border-color);
}

.community-card__github:hover {
  background: var(--bg-hover);
  color: var(--text-active);
  border-color: var(--border-color-hover);
}

.community-card--cta {
  border: 1px dashed var(--border-color);
  background: transparent;
  justify-content: center;
}

.community-card--cta:hover {
  border-color: var(--border-color-hover);
  background: rgba(255, 255, 255, 0.01);
}

.community-card--cta .community-card__avatar {
  background: var(--bg-primary);
  border-color: var(--border-color);
  color: var(--text-secondary);
}

/* ─── 12. STATS SECTION ─────────────────────────────────────────────────── */
.stats {
  padding: 4rem 0;
  background-color: var(--bg-secondary);
}

.stats__grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.5rem;
  text-align: center;
}

.stats__number {
  font-family: var(--font-mono);
  font-size: 24px;
  font-weight: 300;
  color: var(--text-active);
  display: block;
  margin-bottom: 0.25rem;
}

.stats__label {
  font-size: 10px;
  color: var(--text-secondary);
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 1px;
}

/* ─── 13. CTA SECTION ───────────────────────────────────────────────────── */
.cta-section__inner {
  padding: 4rem 3rem;
  border-radius: var(--radius-md);
  max-width: 900px;
  margin: 0 auto;
}

.cta-section__content {
  text-align: center;
  max-width: 640px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  align-items: center;
}

.cta-section__title {
  font-size: 24px;
  font-weight: 600;
  margin-bottom: 1rem;
}

.cta-section__desc {
  font-size: 12px;
  color: var(--text-secondary);
  margin-bottom: 2rem;
}

/* Code Block Component */
.cta-section__code {
  width: 100%;
  max-width: 440px;
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  overflow: hidden;
  margin-bottom: 2rem;
  text-align: left;
}

.cta-section__code-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  background: var(--bg-primary);
  padding: 6px 12px;
  border-bottom: 1px solid var(--border-color);
}

.cta-section__code-dots {
  display: flex;
  gap: 4px;
}

.cta-section__code-dots span {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--border-color);
}

.cta-section__code-title {
  font-size: 10px;
  color: var(--text-secondary);
  font-family: var(--font-mono);
}

.cta-section__code-copy {
  background: transparent;
  border: none;
  color: var(--text-secondary);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 2px;
}

.cta-section__code-copy:hover {
  color: var(--text-active);
}

.cta-section__code-block {
  padding: 1.25rem;
  font-family: var(--font-mono);
  font-size: 11px;
  line-height: 1.6;
  overflow-x: auto;
  color: var(--text-primary);
}

.code-comment {
  color: #555555;
}

.code-prompt {
  color: var(--text-secondary);
  user-select: none;
}

.copy-feedback {
  color: var(--accent-green);
  font-size: 10px;
}

.cta-section__buttons {
  display: flex;
  gap: 0.75rem;
}

/* ─── 14. SITE FOOTER ───────────────────────────────────────────────────── */
.footer {
  padding: 4rem 0 2rem;
  border-top: 1px solid var(--border-color);
  background-color: var(--bg-secondary);
}

.footer__inner {
  display: flex;
  justify-content: space-between;
  margin-bottom: 3rem;
}

.footer__brand {
  max-width: 280px;
}

.footer__logo {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-weight: 700;
  font-size: 14px;
  color: var(--text-active);
  margin-bottom: 0.75rem;
}

.footer__tagline {
  font-size: 11px;
  color: var(--text-secondary);
}

.footer__links {
  display: flex;
  gap: 4rem;
}

.footer__col-title {
  font-size: 10px;
  font-weight: 600;
  text-transform: uppercase;
  color: var(--text-active);
  letter-spacing: 0.5px;
  margin-bottom: 1rem;
}

.footer__col ul {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.footer__col a {
  font-size: 11px;
  color: var(--text-secondary);
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
}

.footer__col a:hover {
  color: var(--text-active);
}

.footer__bottom {
  border-top: 1px solid var(--border-color);
  padding-top: 1.5rem;
}

.footer__bottom-inner {
  display: flex;
  justify-content: space-between;
  font-size: 10px;
  color: var(--text-secondary);
}

.footer__heart {
  color: var(--accent-red);
  display: inline-block;
  vertical-align: middle;
}

/* ─── 15. RESPONSIVE MEDIA QUERIES ──────────────────────────────────────── */

/* Breakpoint: Desktop (1024px to 1440px) */
@media (max-width: 1024px) {
  .features__grid {
    grid-template-columns: repeat(2, 1fr);
  }
  
  .trust__grid {
    grid-template-columns: repeat(2, 1fr);
  }
  
  .community__grid {
    grid-template-columns: repeat(2, 1fr);
  }
  
  .modes__panel {
    grid-template-columns: 1.1fr 1fr;
    padding: 2rem;
    gap: 1.5rem;
  }
}

/* Breakpoint: Tablet (768px to 1023px) */
@media (max-width: 768px) {
  .nav__toggle {
    display: block;
    z-index: 1001;
  }

  .nav__menu {
    position: fixed;
    top: 0;
    right: 0;
    width: 240px;
    height: 100vh;
    background: var(--bg-primary);
    border-left: 1px solid var(--border-color);
    flex-direction: column;
    align-items: flex-start;
    padding: 5rem 2rem 2rem;
    gap: 1.5rem;
    transform: translateX(100%);
    transition: transform var(--transition-normal);
    z-index: 1000;
  }

  .nav-open .nav__menu {
    transform: translateX(0);
  }

  .nav__actions {
    display: none;
  }
  
  .hero {
    padding: 3rem 0;
  }
  
  .hero__headline {
    font-size: 28px;
  }
  
  .hero__stats {
    grid-template-columns: repeat(2, 1fr);
  }
  
  .modes__panel {
    grid-template-columns: 1fr;
    padding: 1.5rem;
  }
  
  .modes__panel-visual {
    order: -1;
  }
  
  .stats__grid {
    grid-template-columns: repeat(2, 1fr);
  }
  
  .footer__inner {
    flex-direction: column;
    gap: 2rem;
  }
}

/* Breakpoint: Mobile (up to 767px) */
@media (max-width: 480px) {
  .hero__headline {
    font-size: 24px;
  }
  
  .hero__buttons {
    flex-direction: column;
    width: 100%;
    gap: 0.5rem;
  }
  
  .hero__buttons .btn {
    width: 100%;
  }
  
  .features__grid {
    grid-template-columns: 1fr;
  }
  
  .trust__grid {
    grid-template-columns: 1fr;
  }
  
  .community__grid {
    grid-template-columns: 1fr;
  }
  
  .step {
    flex-direction: column;
    text-align: center;
    gap: 1rem;
    padding: 1.5rem 1rem;
  }
  
  .step__icon {
    display: none;
  }
  
  .modes__tabs {
    flex-direction: column;
    max-width: 100%;
  }
  
  .modes__tab {
    width: 100%;
    justify-content: center;
  }
  
  .providers__table th,
  .providers__table td {
    padding: 0.75rem 0.5rem;
  }
  
  .stats__grid {
    grid-template-columns: 1fr;
  }
  
  .cta-section__buttons {
    flex-direction: column;
    width: 100%;
    gap: 0.5rem;
  }
  
  .cta-section__buttons .btn {
    width: 100%;
  }
}