/* ============================================
   GPURenta — Shared Styles
   Minimal. White. Black. Pixel-perfect.
   ============================================ */

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

:root {
  --black: #000000;
  --white: #ffffff;
  --gray-900: #111111;
  --gray-800: #1a1a1a;
  --gray-700: #2a2a2a;
  --gray-600: #555555;
  --gray-500: #888888;
  --gray-300: #cccccc;
  --gray-200: #e5e5e5;
  --gray-100: #f5f5f5;
  --gray-50: #fafafa;
  --font-sans: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  --font-mono: "SF Mono", "Fira Code", "Fira Mono", "Roboto Mono", monospace;
  --container: 1200px;
  --container-narrow: 800px;
  --gutter: 24px;
  --nav-height: 64px;
}

html {
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
}

body {
  font-family: var(--font-sans);
  background: var(--white);
  color: var(--black);
  line-height: 1.6;
  font-size: 16px;
}

::selection {
  background: var(--black);
  color: var(--white);
}

a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }

/* --- Utility --- */
.container {
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 var(--gutter);
}
.container-narrow {
  max-width: var(--container-narrow);
  margin: 0 auto;
  padding: 0 var(--gutter);
}
.sr-only {
  position: absolute; width: 1px; height: 1px;
  padding: 0; margin: -1px; overflow: hidden;
  clip: rect(0,0,0,0); border: 0;
}
.section { padding: 120px 0; }
.section-sm { padding: 80px 0; }
.border-top { border-top: 1px solid var(--black); }
.border-bottom { border-bottom: 1px solid var(--black); }

/* --- Typography --- */
.label {
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  margin-bottom: 24px;
}
.display {
  font-size: clamp(40px, 6vw, 72px);
  font-weight: 700;
  letter-spacing: -0.03em;
  line-height: 1.05;
}
.heading-1 {
  font-size: clamp(32px, 4vw, 56px);
  font-weight: 700;
  letter-spacing: -0.03em;
  line-height: 1.1;
}
.heading-2 {
  font-size: clamp(24px, 3vw, 40px);
  font-weight: 600;
  letter-spacing: -0.02em;
  line-height: 1.2;
}
.heading-3 {
  font-size: clamp(18px, 2vw, 24px);
  font-weight: 600;
  letter-spacing: -0.01em;
  line-height: 1.3;
}
.body-large {
  font-size: 18px;
  line-height: 1.7;
  color: var(--gray-800);
}
.body {
  font-size: 16px;
  line-height: 1.7;
  color: var(--gray-700);
}
.body-small {
  font-size: 14px;
  line-height: 1.6;
  color: var(--gray-700);
}
.mono {
  font-family: var(--font-mono);
  font-size: 14px;
}

/* --- Nav --- */
nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  background: rgba(255,255,255,0.9);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--gray-200);
}
nav .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: var(--nav-height);
}
.nav-logo {
  font-size: 20px;
  font-weight: 700;
  letter-spacing: -0.02em;
}
.nav-logo span { font-weight: 400; color: var(--gray-700); }
.nav-links {
  display: flex;
  align-items: center;
  gap: 32px;
  list-style: none;
}
.nav-links a {
  font-size: 14px;
  font-weight: 500;
  color: var(--gray-700);
  transition: color 0.2s;
}
.nav-links a:hover { color: var(--black); }
.nav-links .nav-cta {
  display: inline-flex;
  align-items: center;
  height: 40px;
  padding: 0 22px;
  background: var(--black);
  color: #ffffff;
  font-size: 15px;
  font-weight: 700;
  letter-spacing: -0.01em;
  border: none;
  cursor: pointer;
  transition: background 0.2s;
  text-decoration: none;
}
.nav-links .nav-cta:hover {
  color: #ffffff;
  background: var(--gray-800);
}
.nav-cta-outline {
  display: inline-flex;
  align-items: center;
  height: 36px;
  padding: 0 16px;
  background: transparent;
  color: var(--gray-600);
  font-size: 13px;
  font-weight: 500;
  border: 1px solid var(--gray-200);
  cursor: pointer;
  font-family: inherit;
  transition: all 0.2s;
}
.nav-cta-outline:hover {
  border-color: var(--gray-600);
  color: var(--black);
}
.nav-mobile-toggle {
  display: none;
  background: none; border: none;
  cursor: pointer;
  width: 32px; height: 32px;
  position: relative;
}
.nav-mobile-toggle span {
  display: block;
  width: 20px; height: 2px;
  background: var(--black);
  position: absolute;
  left: 6px;
  transition: transform 0.2s;
}
.nav-mobile-toggle span:nth-child(1) { top: 10px; }
.nav-mobile-toggle span:nth-child(2) { top: 16px; }
.nav-mobile-toggle span:nth-child(3) { top: 22px; }
@media (max-width: 768px) {
  .nav-links { display: none; }
  .nav-mobile-toggle { display: block; }
}

/* --- Buttons --- */
.btn {
  display: inline-flex;
  align-items: center;
  height: 52px;
  padding: 0 32px;
  font-size: 15px;
  font-weight: 600;
  border: none;
  cursor: pointer;
  transition: all 0.2s;
  font-family: inherit;
}
.btn-primary {
  background: var(--black);
  color: var(--white);
}
.btn-primary:hover { background: var(--gray-800); }
.btn-secondary {
  background: transparent;
  color: var(--black);
  border: 1.5px solid var(--black);
}
.btn-secondary:hover {
  background: var(--black);
  color: var(--white);
}

/* --- Platform badges --- */
.platform-badges {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  margin-top: 16px;
}
.platform-badge {
  height: 28px;
  padding: 0 12px;
  border: 1px solid var(--gray-200);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  display: inline-flex;
  align-items: center;
  color: var(--gray-700);
}

/* --- Hero --- */
.hero {
  padding-top: 160px;
  padding-bottom: 80px;
}
.hero .container {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: center;
}
.hero-content { max-width: 520px; }
.hero-content .display { margin-bottom: 24px; }
.hero-content .body-large { margin-bottom: 40px; max-width: 440px; }
.hero-actions { display: flex; gap: 16px; flex-wrap: wrap; }
.hero-stats {
  display: flex;
  gap: 48px;
  margin-top: 48px;
  padding-top: 32px;
  border-top: 1px solid var(--gray-200);
}
.hero-stat-value {
  font-size: 28px;
  font-weight: 700;
  letter-spacing: -0.02em;
  line-height: 1;
}
.hero-stat-label { font-size: 13px; color: var(--gray-700); margin-top: 4px; }

/* --- Hero Grid Visual (GPU activity monitor) --- */
.hero-visual {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 100%;
}
.hero-grid-box {
  width: 100%;
  max-width: 480px;
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  background: transparent;
  position: relative;
  align-content: flex-start;
}
.hero-grid-cell {
  flex: 0 0 calc((100% - 18px) / 4);
  aspect-ratio: 1;
  border: 1px solid var(--gray-200);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  position: relative;
  transition: all 0.4s cubic-bezier(0.16, 1, 0.3, 1);
  padding: 10px 6px;
  overflow: hidden;
}
/* Active (running) state */
.hero-grid-cell.active {
  background: var(--black);
  border-color: var(--black);
}
.hero-grid-cell.active .cell-model {
  color: var(--white);
  font-weight: 600;
  opacity: 1;
}
.hero-grid-cell.active .cell-variant {
  color: rgba(255,255,255,0.6);
  opacity: 1;
}
.hero-grid-cell.active .cell-indicator {
  background: var(--white);
}
/* Busy (processing) state — extra visual energy */
.hero-grid-cell.busy {
  background: linear-gradient(135deg, var(--black) 0%, #1a1a1a 100%);
  border-color: var(--black);
}
.hero-grid-cell.busy::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(
    90deg,
    transparent 0%,
    rgba(255,255,255,0.04) 50%,
    transparent 100%
  );
  background-size: 200% 100%;
  animation: shimmer 3s ease-in-out infinite;
}
@keyframes shimmer {
  0% { transform: translateX(-100%); }
  100% { transform: translateX(100%); }
}
/* Cell inner elements */
.cell-indicator {
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: var(--gray-200);
  margin-bottom: 6px;
  transition: all 0.4s;
  position: relative;
  z-index: 1;
}
.hero-grid-cell.busy .cell-indicator {
  box-shadow: 0 0 8px rgba(255,255,255,0.5);
  animation: indicatorPulse 1.5s ease-in-out infinite;
}
.cell-model {
  font-size: 12px;
  font-weight: 700;
  letter-spacing: -0.01em;
  color: var(--gray-700);
  line-height: 1.15;
  text-align: center;
  position: relative;
  z-index: 1;
  transition: all 0.3s;
}
.hero-grid-cell.active .cell-model {
  color: var(--white);
  text-shadow: 0 0 12px rgba(255,255,255,0.3);
}
.hero-grid-cell.busy .cell-model {
  color: var(--white);
  text-shadow: 0 0 16px rgba(255,255,255,0.4);
}
.cell-variant {
  font-size: 8px;
  font-weight: 500;
  color: var(--gray-400);
  letter-spacing: 0.03em;
  font-family: var(--font-mono);
  line-height: 1;
  margin-top: 2px;
  position: relative;
  z-index: 1;
  transition: all 0.3s;
  opacity: 0;
}
.hero-grid-cell.active .cell-variant,
.hero-grid-cell.busy .cell-variant {
  opacity: 1;
  color: rgba(255,255,255,0.75);
}
.cell-stats {
  font-size: 7px;
  font-weight: 600;
  color: rgba(255,255,255,0.6);
  font-family: var(--font-mono);
  letter-spacing: 0.02em;
  margin-top: 4px;
  position: relative;
  z-index: 1;
  transition: all 0.3s;
  opacity: 0;
}
.hero-grid-cell.active .cell-stats,
.hero-grid-cell.busy .cell-stats {
  opacity: 1;
  color: rgba(255,255,255,0.7);
}
.cell-wave {
  display: flex;
  align-items: flex-end;
  gap: 1.5px;
  height: 10px;
  margin-top: 4px;
  position: relative;
  z-index: 1;
  opacity: 0;
  transition: opacity 0.5s;
}
.hero-grid-cell.busy .cell-wave {
  opacity: 1;
}
.cell-wave span {
  width: 2px;
  background: rgba(255,255,255,0.7);
  border-radius: 1px;
  animation: wave 1.2s ease-in-out infinite;
}
.cell-wave span:nth-child(1) { height: 4px; animation-delay: 0s; }
.cell-wave span:nth-child(2) { height: 7px; animation-delay: 0.15s; }
.cell-wave span:nth-child(3) { height: 10px; animation-delay: 0.3s; }
.cell-wave span:nth-child(4) { height: 6px; animation-delay: 0.45s; }
.cell-wave span:nth-child(5) { height: 3px; animation-delay: 0.6s; }
@keyframes wave {
  0%, 100% { transform: scaleY(0.5); opacity: 0.4; }
  50% { transform: scaleY(1); opacity: 1; }
}
@keyframes indicatorPulse {
  0%, 100% { opacity: 0.6; box-shadow: 0 0 4px rgba(255,255,255,0.3); }
  50% { opacity: 1; box-shadow: 0 0 12px rgba(255,255,255,0.7); }
}
/* Cell hover effect — subtle zoom on active cells */
.hero-grid-cell.active:hover {
  transform: scale(1.04);
  z-index: 2;
}
@media (max-width: 768px) {
  .hero-grid-box { max-width: 320px; }
  .cell-model { font-size: 9px; }
  .cell-variant { font-size: 6px; }
}
@media (max-width: 768px) {
  .hero { padding-top: 120px; padding-bottom: 60px; }
  .hero .container { grid-template-columns: 1fr; gap: 48px; }
  .hero-content { max-width: 100%; }
  .hero-content .body-large { max-width: 100%; }
  .hero-stats { gap: 24px; flex-wrap: wrap; }
  .hero-visual { max-width: 320px; margin: 0 auto; }
}

/* --- Calculator --- */
.calc-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: start;
}
.calc-controls { display: flex; flex-direction: column; gap: 28px; }
.calc-group { display: flex; flex-direction: column; gap: 8px; }
.calc-group label {
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.03em;
  text-transform: uppercase;
}
.calc-select {
  height: 52px;
  padding: 0 16px;
  font-size: 16px;
  font-family: inherit;
  border: 1.5px solid var(--black);
  background: var(--white);
  border-radius: 0;
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'%3E%3Cpath d='M1 1l5 5 5-5' stroke='%23000' stroke-width='1.5' fill='none'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 16px center;
  cursor: pointer;
  transition: background 0.2s;
}
.calc-select:hover { background-color: var(--gray-50); }
.calc-select:focus { outline: 2px solid var(--black); outline-offset: 2px; }
.calc-slider-wrap { display: flex; align-items: center; gap: 16px; }
.calc-slider {
  flex: 1;
  height: 2px;
  -webkit-appearance: none;
  appearance: none;
  background: var(--black);
  cursor: pointer;
}
.calc-slider::-webkit-slider-thumb {
  -webkit-appearance: none;
  width: 20px; height: 20px;
  border-radius: 50%;
  background: var(--black);
  border: none;
  cursor: pointer;
}
.calc-slider::-moz-range-thumb {
  width: 20px; height: 20px;
  border-radius: 50%;
  background: var(--black);
  border: none;
  cursor: pointer;
}
.calc-slider-val {
  font-size: 18px;
  font-weight: 600;
  min-width: 48px;
  text-align: right;
  font-family: var(--font-mono);
}
.calc-result {
  border: 1px solid var(--black);
  padding: 40px;
}
.calc-result-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 32px;
}
.calc-metric { display: flex; flex-direction: column; }
.calc-metric-label {
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--gray-700);
  margin-bottom: 8px;
}
.calc-metric-value {
  font-size: 36px;
  font-weight: 700;
  letter-spacing: -0.03em;
  line-height: 1;
  font-family: var(--font-mono);
}
.calc-metric-value.net { font-size: 52px; }
.calc-metric-sub { font-size: 13px; color: var(--gray-700); margin-top: 4px; }
.calc-divider {
  grid-column: 1 / -1;
  height: 1px;
  background: var(--gray-200);
  margin: 8px 0;
}
.calc-total {
  grid-column: 1 / -1;
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  padding-top: 16px;
  border-top: 2px solid var(--black);
}
.calc-total-label { font-size: 16px; font-weight: 600; }
.calc-total-value {
  font-size: 44px;
  font-weight: 700;
  letter-spacing: -0.03em;
  font-family: var(--font-mono);
}
@media (max-width: 768px) {
  .calc-grid { grid-template-columns: 1fr; gap: 40px; }
  .calc-result-grid { grid-template-columns: 1fr 1fr; gap: 24px; }
  .calc-metric-value { font-size: 28px; }
  .calc-metric-value.net { font-size: 40px; }
  .calc-total-value { font-size: 34px; }
}

/* --- Steps --- */
.steps-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 64px;
  counter-reset: step;
}
.step-card {
  counter-increment: step;
  position: relative;
}
.step-card::before {
  content: counter(step);
  font-family: var(--font-mono);
  font-size: 64px;
  font-weight: 700;
  line-height: 1;
  letter-spacing: -0.04em;
  color: var(--gray-200);
  position: absolute;
  top: -12px;
  left: 0;
  pointer-events: none;
}
.step-icon {
  width: 48px;
  height: 48px;
  border: 1.5px solid var(--black);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 24px;
  position: relative;
  z-index: 1;
  background: var(--white);
}
.step-icon svg { width: 20px; height: 20px; }
.step-card .heading-3 { margin-bottom: 12px; position: relative; z-index: 1; }
.step-card .body-small { position: relative; z-index: 1; }
@media (max-width: 768px) {
  .steps-grid { grid-template-columns: 1fr; gap: 48px; max-width: 400px; }
}

/* --- Comparison Table --- */
.table-wrap { overflow-x: auto; -webkit-overflow-scrolling: touch; }
table {
  width: 100%;
  border-collapse: collapse;
  font-size: 14px;
}
thead th {
  text-align: left;
  padding: 16px 20px;
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  border-bottom: 2px solid var(--black);
  background: var(--gray-50);
}
thead th:first-child { background: var(--white); }
thead th.highlight { background: var(--black); color: var(--white); }
tbody td {
  padding: 16px 20px;
  border-bottom: 1px solid var(--gray-200);
  vertical-align: middle;
}
tbody td:first-child { font-weight: 600; }
td.highlight { background: var(--gray-50); font-weight: 600; }
tbody tr:hover td { background: var(--gray-100); }
@media (max-width: 768px) {
  table { font-size: 12px; }
  thead th, tbody td { padding: 12px 14px; }
}

/* --- Security Grid --- */
.security-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2px;
  background: var(--gray-200);
  border: 1px solid var(--gray-200);
}
.security-card {
  background: var(--white);
  padding: 48px 32px;
}
.security-card-icon {
  width: 40px;
  height: 40px;
  border: 1.5px solid var(--black);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 20px;
}
.security-card-icon svg { width: 18px; height: 18px; }
.security-card .heading-3 { margin-bottom: 8px; }
@media (max-width: 768px) { .security-grid { grid-template-columns: 1fr; } }

/* --- Dev Section --- */
.dev-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: center;
}
.dev-code {
  background: var(--gray-100);
  padding: 32px;
  border: 1px solid var(--gray-200);
  font-family: var(--font-mono);
  font-size: 13px;
  line-height: 1.8;
  overflow-x: auto;
}
.dev-code .comment { color: var(--gray-600); }
.dev-code .keyword { font-weight: 600; }
.dev-code .string { color: var(--gray-800); }
@media (max-width: 768px) { .dev-grid { grid-template-columns: 1fr; gap: 32px; } }

/* --- Logo Wall --- */
.logo-wall {
  display: flex;
  justify-content: center;
  gap: 48px;
  flex-wrap: wrap;
  align-items: center;
}
.logo-wall-item {
  font-size: 14px;
  font-weight: 600;
  font-family: var(--font-sans);
  letter-spacing: -0.01em;
  color: var(--gray-700);
  height: 32px;
  display: flex;
  align-items: center;
  opacity: 0.5;
}

/* --- Testimonials --- */
.testimonial-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
}
.testimonial-card {
  border: 1px solid var(--gray-200);
  padding: 40px;
  display: flex;
  flex-direction: column;
}
.testimonial-text { font-size: 16px; line-height: 1.7; flex: 1; margin-bottom: 24px; }
.testimonial-author { display: flex; align-items: center; gap: 12px; }
.testimonial-avatar {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: var(--gray-200);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 600;
  font-size: 14px;
  font-family: var(--font-mono);
}
.testimonial-name { font-size: 14px; font-weight: 600; }
.testimonial-role { font-size: 12px; color: var(--gray-700); }
@media (max-width: 768px) { .testimonial-grid { grid-template-columns: 1fr; } }

/* --- FAQ --- */
.faq-list { border-top: 1px solid var(--black); }
.faq-item { border-bottom: 1px solid var(--gray-200); }
.faq-question {
  width: 100%;
  padding: 24px 0;
  display: flex;
  justify-content: space-between;
  align-items: center;
  background: none;
  border: none;
  font-family: inherit;
  font-size: 16px;
  font-weight: 600;
  cursor: pointer;
  text-align: left;
  color: var(--black);
  transition: opacity 0.2s;
}
.faq-question:hover { opacity: 0.7; }
.faq-question svg {
  width: 16px; height: 16px;
  transition: transform 0.3s;
  flex-shrink: 0;
  margin-left: 16px;
}
.faq-item.open .faq-question svg { transform: rotate(45deg); }
.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.3s ease, padding 0.3s ease;
  padding: 0;
}
.faq-item.open .faq-answer {
  max-height: 300px;
  padding-bottom: 24px;
}
.faq-answer .body-small { max-width: 600px; }

/* --- Email Section --- */
.email-section {
  background: var(--gray-50);
  border: 1px solid var(--gray-200);
  padding: 64px;
  text-align: center;
}
.email-section .heading-2 { margin-bottom: 16px; }
.email-section .body { margin-bottom: 32px; max-width: 480px; margin-left: auto; margin-right: auto; }
.email-form {
  display: flex;
  max-width: 440px;
  margin: 0 auto;
}
.email-form input {
  flex: 1;
  height: 52px;
  padding: 0 20px;
  font-size: 15px;
  font-family: inherit;
  border: 1.5px solid var(--black);
  border-right: none;
  outline: none;
  background: var(--white);
}
.email-form input:focus { border-color: var(--black); }
.email-form button {
  height: 52px;
  padding: 0 28px;
  background: var(--black);
  color: var(--white);
  border: 1.5px solid var(--black);
  font-size: 14px;
  font-weight: 600;
  font-family: inherit;
  cursor: pointer;
  transition: opacity 0.2s;
  white-space: nowrap;
}
.email-form button:hover { opacity: 0.85; }
.email-note { font-size: 12px; color: var(--gray-700); margin-top: 12px; }
@media (max-width: 768px) {
  .email-section { padding: 40px 24px; }
  .email-form { flex-direction: column; }
  .email-form input { border-right: 1.5px solid var(--black); }
}

/* --- Footer --- */
footer {
  border-top: 1px solid var(--gray-200);
  padding: 64px 0 32px;
}
.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 48px;
  margin-bottom: 48px;
}
.footer-brand {
  font-size: 20px;
  font-weight: 700;
  letter-spacing: -0.02em;
  margin-bottom: 12px;
}
.footer-desc { font-size: 14px; color: var(--gray-700); max-width: 320px; }
.footer-col-title {
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  margin-bottom: 20px;
}
.footer-col a {
  display: block;
  font-size: 14px;
  color: var(--gray-700);
  margin-bottom: 12px;
  transition: color 0.2s;
}
.footer-col a:hover { color: var(--black); }
.footer-bottom {
  padding-top: 32px;
  border-top: 1px solid var(--gray-200);
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 13px;
  color: var(--gray-700);
}
.footer-social { display: flex; gap: 16px; }
.footer-social a {
  width: 36px; height: 36px;
  border: 1.5px solid var(--gray-200);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: border-color 0.2s;
}
.footer-social a:hover { border-color: var(--black); }
.footer-social svg { width: 16px; height: 16px; }
@media (max-width: 768px) {
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 32px; }
  .footer-grid > :first-child { grid-column: 1 / -1; }
  .footer-bottom { flex-direction: column; gap: 16px; text-align: center; }
}

/* --- Animations --- */
@media (prefers-reduced-motion: no-preference) {
  .fade-in {
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.7s ease, transform 0.7s ease;
  }
  .fade-in.visible {
    opacity: 1;
    transform: translateY(0);
  }
}