/* ===== Design tokens ===== */
:root {
  --bg: #05070d;
  --bg-alt: #0a0e1a;
  --surface: #0f1420;
  --surface-2: #141a2a;
  --border: rgba(148, 163, 184, 0.14);
  --text: #e8ecf3;
  --text-muted: #93a0b8;
  --accent: #22d3ee;
  --accent-2: #818cf8;
  --accent-soft: rgba(34, 211, 238, 0.12);
  --success: #34d399;
  --shadow: 0 20px 60px rgba(0, 0, 0, 0.45);
  --radius-lg: 24px;
  --radius-md: 16px;
  --radius-sm: 10px;
  --container: 1180px;
  --header-h: 76px;
}

[data-theme="light"] {
  --bg: #f6f8fc;
  --bg-alt: #ffffff;
  --surface: #ffffff;
  --surface-2: #f0f3f9;
  --border: rgba(15, 23, 42, 0.1);
  --text: #0f172a;
  --text-muted: #55607a;
  --accent-soft: rgba(34, 211, 238, 0.14);
  --shadow: 0 20px 50px rgba(15, 23, 42, 0.1);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: "Segoe UI", "Inter", system-ui, -apple-system, sans-serif;
  line-height: 1.55;
  transition: background 0.3s ease, color 0.3s ease;
  overflow-x: hidden;
}

img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
button { font: inherit; cursor: pointer; }
ul { list-style: none; margin: 0; padding: 0; }

.container {
  width: 100%;
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 20px;
}

.section {
  padding: 100px 0;
  position: relative;
}

.section-head {
  max-width: 640px;
  margin: 0 auto 56px;
  text-align: center;
}

.eyebrow {
  display: inline-block;
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--accent);
  background: var(--accent-soft);
  padding: 6px 14px;
  border-radius: 999px;
  margin-bottom: 14px;
}

.section-title {
  font-size: clamp(28px, 4vw, 40px);
  font-weight: 800;
  margin: 0;
  letter-spacing: -0.02em;
}

.section-bg-grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(var(--border) 1px, transparent 1px),
    linear-gradient(90deg, var(--border) 1px, transparent 1px);
  background-size: 48px 48px;
  mask-image: radial-gradient(ellipse 60% 60% at 50% 30%, black 20%, transparent 75%);
  pointer-events: none;
  opacity: 0.6;
  z-index: 0;
}

.section > .container { position: relative; z-index: 1; }

/* ===== Buttons ===== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 13px 26px;
  border-radius: 999px;
  font-weight: 600;
  font-size: 15px;
  border: 1px solid transparent;
  transition: transform 0.2s ease, box-shadow 0.2s ease, background 0.2s ease, border-color 0.2s ease;
  white-space: nowrap;
}
.btn:hover { transform: translateY(-2px); }
.btn:active { transform: translateY(0); }

.btn-primary {
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  color: #05070d;
  box-shadow: 0 10px 30px rgba(34, 211, 238, 0.28);
}
.btn-primary:hover { box-shadow: 0 14px 36px rgba(34, 211, 238, 0.4); }

.btn-ghost {
  background: var(--surface);
  color: var(--text);
  border-color: var(--border);
}
.btn-ghost:hover { border-color: var(--accent); }

.btn-sm { padding: 9px 18px; font-size: 13px; }

/* ===== Header ===== */
.header {
  position: fixed;
  top: 0; left: 0; right: 0;
  height: var(--header-h);
  display: flex;
  align-items: center;
  z-index: 100;
  background: transparent;
  border-bottom: 1px solid transparent;
  transition: background 0.3s ease, border-color 0.3s ease, box-shadow 0.3s ease;
}
.header.is-scrolled {
  background: color-mix(in srgb, var(--bg) 82%, transparent);
  backdrop-filter: blur(14px);
  border-bottom-color: var(--border);
  box-shadow: 0 8px 30px rgba(0,0,0,0.15);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  width: 100%;
}

.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 800;
  font-size: 17px;
  letter-spacing: -0.01em;
}
.brand-dot {
  width: 10px; height: 10px;
  border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 0 4px var(--accent-soft);
}

.nav-desktop {
  display: none;
  align-items: center;
  gap: 4px;
}
.nav-desktop a {
  padding: 9px 14px;
  border-radius: 999px;
  font-size: 14px;
  font-weight: 500;
  color: var(--text-muted);
  transition: color 0.2s ease, background 0.2s ease;
}
.nav-desktop a:hover { color: var(--text); background: var(--surface); }

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

.icon-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 40px; height: 40px;
  border-radius: 999px;
  background: var(--surface);
  border: 1px solid var(--border);
  color: var(--text);
  transition: border-color 0.2s ease, transform 0.2s ease;
}
.icon-btn:hover { border-color: var(--accent); transform: translateY(-1px); }
.icon-btn svg { width: 18px; height: 18px; }

.theme-icon-dark { display: none; }
[data-theme="light"] .theme-icon-dark { display: block; }
[data-theme="light"] .theme-icon-light { display: none; }

.lang-switch {
  position: relative;
}
.lang-current {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 9px 12px;
  border-radius: 999px;
  background: var(--surface);
  border: 1px solid var(--border);
  font-size: 13px;
  font-weight: 700;
  text-transform: uppercase;
  transition: border-color 0.2s ease;
}
.lang-current:hover { border-color: var(--accent); }
.lang-chevron {
  width: 14px; height: 14px;
  color: var(--text-muted);
  transition: transform 0.25s ease;
}
.lang-switch.is-open .lang-chevron { transform: rotate(180deg); }
.lang-menu {
  position: absolute;
  top: calc(100% + 8px);
  right: 0;
  background: var(--surface-2);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 6px;
  min-width: 120px;
  box-shadow: var(--shadow);
  opacity: 0;
  visibility: hidden;
  transform: translateY(-6px);
  transition: opacity 0.2s ease, transform 0.2s ease, visibility 0.2s ease;
}
.lang-switch.is-open .lang-menu {
  opacity: 1; visibility: visible; transform: translateY(0);
}
.lang-menu button {
  display: flex;
  width: 100%;
  padding: 8px 10px;
  border-radius: 8px;
  background: transparent;
  border: none;
  color: var(--text);
  font-size: 13px;
  font-weight: 600;
  text-align: left;
}
.lang-menu button:hover { background: var(--surface); }
.lang-menu button.is-active { color: var(--accent); }

.menu-toggle {
  display: inline-flex;
}
.nav-desktop-wrap { display: none; }

@media (min-width: 900px) {
  .nav-desktop { display: flex; }
  .menu-toggle { display: none; }
}

/* ===== Mobile fullscreen menu ===== */
.mobile-menu {
  position: fixed;
  inset: 0;
  background: var(--bg);
  z-index: 99;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 8px;
  opacity: 0;
  visibility: hidden;
  transform: translateY(-12px);
  transition: opacity 0.3s ease, transform 0.3s ease, visibility 0.3s ease;
}
.mobile-menu.is-open { opacity: 1; visibility: visible; transform: translateY(0); }
.mobile-menu a {
  font-size: 28px;
  font-weight: 700;
  padding: 12px 0;
  color: var(--text);
}
.mobile-menu a:hover { color: var(--accent); }

/* ===== Hero ===== */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding-top: var(--header-h);
  position: relative;
  overflow: hidden;
}
.hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 48px;
  align-items: center;
  position: relative;
  z-index: 1;
}
@media (min-width: 900px) {
  .hero-grid { grid-template-columns: minmax(0, 1.15fr) minmax(0, 0.85fr); gap: 40px; }
}

.hero-text { text-align: center; min-width: 0; }
@media (min-width: 900px) { .hero-text { text-align: left; } }

.status-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 16px;
  border-radius: 999px;
  background: var(--surface);
  border: 1px solid var(--border);
  font-size: 13px;
  font-weight: 600;
  margin-bottom: 22px;
}
.status-dot {
  width: 8px; height: 8px;
  border-radius: 50%;
  background: var(--success);
  box-shadow: 0 0 0 3px rgba(52, 211, 153, 0.25);
  animation: pulse-dot 2s infinite;
}
@keyframes pulse-dot {
  0%, 100% { box-shadow: 0 0 0 3px rgba(52, 211, 153, 0.25); }
  50% { box-shadow: 0 0 0 6px rgba(52, 211, 153, 0.12); }
}

.hero-greeting {
  font-size: 18px;
  color: var(--text-muted);
  font-weight: 600;
  margin: 0 0 6px;
}
.hero-name {
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.hero-title {
  font-size: clamp(32px, 5.4vw, 56px);
  font-weight: 800;
  line-height: 1.08;
  letter-spacing: -0.02em;
  margin: 0 0 20px;
}
.hero-title .accent {
  position: relative;
  color: var(--accent);
}
.hero-title .accent::after {
  content: "";
  position: absolute;
  left: 0; right: 0; bottom: 4px;
  height: 10px;
  background: var(--accent-soft);
  z-index: -1;
  border-radius: 4px;
}

.hero-desc {
  font-size: 17px;
  color: var(--text-muted);
  max-width: 520px;
  margin: 0 0 32px;
}
@media (min-width: 900px) {}
.hero-text .hero-desc { margin-left: auto; margin-right: auto; }
@media (min-width: 900px) { .hero-text .hero-desc { margin-left: 0; margin-right: 0; } }

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-bottom: 36px;
  justify-content: center;
}
@media (min-width: 900px) { .hero-actions { justify-content: flex-start; } }

.hero-links {
  display: flex;
  gap: 10px;
  justify-content: center;
}
@media (min-width: 900px) { .hero-links { justify-content: flex-start; } }

/* Photo frame */
.hero-photo-wrap {
  position: relative;
  width: 280px;
  height: 280px;
  margin: 0 auto;
}
@media (min-width: 640px) { .hero-photo-wrap { width: 340px; height: 340px; } }

.hero-photo-ring {
  position: absolute;
  inset: 0;
  border-radius: 50%;
  border: 2px solid transparent;
  border-top-color: var(--accent);
  border-right-color: var(--accent-2);
  animation: spin 8s linear infinite;
}
.hero-photo-ring.ring-2 {
  inset: 16px;
  border-top-color: transparent;
  border-bottom-color: var(--accent-2);
  border-left-color: var(--accent);
  animation-duration: 12s;
  animation-direction: reverse;
}
@keyframes spin { to { transform: rotate(360deg); } }

.hero-photo-glow {
  position: absolute;
  inset: 30px;
  border-radius: 50%;
  background: radial-gradient(circle, var(--accent-soft), transparent 70%);
  filter: blur(10px);
  animation: glow-pulse 3s ease-in-out infinite;
}
@keyframes glow-pulse {
  0%, 100% { opacity: 0.6; transform: scale(1); }
  50% { opacity: 1; transform: scale(1.05); }
}

.hero-photo {
  position: absolute;
  inset: 32px;
  border-radius: 50%;
  overflow: hidden;
  border: 3px solid var(--surface);
  box-shadow: var(--shadow);
}
.hero-photo img {
  width: 100%; height: 100%;
  object-fit: cover;
}

/* Marquee */
.marquee-wrap {
  margin-top: 20px;
  width: 100%;
  overflow: hidden;
  -webkit-mask-image: linear-gradient(90deg, transparent, black 8%, black 92%, transparent);
  mask-image: linear-gradient(90deg, transparent, black 8%, black 92%, transparent);
}
.marquee-track {
  display: flex;
  gap: 12px;
  width: max-content;
  animation: marquee 26s linear infinite;
}
@keyframes marquee { from { transform: translateX(0); } to { transform: translateX(-50%); } }
.marquee-chip {
  padding: 8px 16px;
  border-radius: 999px;
  background: var(--surface);
  border: 1px solid var(--border);
  font-size: 13px;
  font-weight: 600;
  color: var(--text-muted);
  white-space: nowrap;
}

/* ===== Reveal on scroll ===== */
.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}
.reveal.is-visible { opacity: 1; transform: translateY(0); }

/* ===== About ===== */
.about-grid {
  display: grid;
  gap: 40px;
  align-items: start;
}
@media (min-width: 900px) { .about-grid { grid-template-columns: 1fr 1fr; } }

.about-text p {
  color: var(--text-muted);
  font-size: 16px;
  margin: 0 0 18px;
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
}
@media (min-width: 480px) {
  .stats-grid { grid-template-columns: repeat(3, minmax(0, 1fr)); }
}
.stat-tile {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 22px 14px;
  text-align: center;
  transition: border-color 0.2s ease, transform 0.2s ease;
}
.stat-tile:hover { border-color: var(--accent); transform: translateY(-3px); }
.stat-num {
  font-size: clamp(20px, 2.4vw, 30px);
  font-weight: 800;
  color: var(--accent);
  display: block;
  word-break: break-word;
}
.stat-label {
  font-size: 13px;
  color: var(--text-muted);
  margin-top: 6px;
  display: block;
}

/* ===== Projects ===== */
.projects-note {
  text-align: center;
  font-size: 13px;
  color: var(--text-muted);
  margin: -32px 0 40px;
  font-style: italic;
}

.projects-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 24px;
}
@media (min-width: 700px) { .projects-grid { grid-template-columns: repeat(2, 1fr); } }

.project-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: transform 0.25s ease, box-shadow 0.25s ease, border-color 0.25s ease;
}
.project-card:hover { transform: translateY(-4px); box-shadow: var(--shadow); border-color: var(--accent); }

.browser-mock {
  background: var(--bg-alt);
  border-bottom: 1px solid var(--border);
}
.browser-bar {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 10px 12px;
}
.browser-dots { display: flex; gap: 6px; }
.browser-dots span {
  width: 9px; height: 9px; border-radius: 50%;
  background: var(--border);
}
.browser-url {
  flex: 1;
  background: var(--surface-2);
  border-radius: 999px;
  padding: 5px 12px;
  font-size: 11px;
  color: var(--text-muted);
  overflow: hidden;
  white-space: nowrap;
  text-overflow: ellipsis;
}
.browser-media { position: relative; }
.browser-frame {
  width: 100%;
  aspect-ratio: 16 / 10;
  border: none;
  background: var(--bg);
  display: block;
}
.browser-frame.is-mobile-hidden { display: none; }
.browser-fallback-img {
  width: 100%;
  aspect-ratio: 16 / 10;
  object-fit: cover;
  display: none;
}
.browser-fallback-img.is-always-visible { display: block; }
.browser-fallback-placeholder {
  width: 100%;
  aspect-ratio: 16 / 10;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 10px;
  background: linear-gradient(155deg, var(--surface-2), var(--bg-alt));
  color: var(--text-muted);
}
.browser-fallback-placeholder svg { width: 38px; height: 38px; opacity: 0.6; }
.browser-fallback-placeholder span {
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.08em;
  color: var(--accent);
}
@media (max-width: 640px) {
  .browser-frame { display: none; }
  .browser-fallback-img { display: block; }
}

.browser-loader {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--bg-alt);
  transition: opacity 0.3s ease, visibility 0.3s ease;
}
.browser-loader.is-hidden { opacity: 0; visibility: hidden; }
.loader-spin {
  width: 28px; height: 28px;
  border-radius: 50%;
  border: 3px solid var(--border);
  border-top-color: var(--accent);
  animation: spin 0.8s linear infinite;
}

/* ===== Back to top ===== */
.back-to-top {
  position: fixed;
  right: 22px;
  bottom: 22px;
  width: 46px; height: 46px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--surface);
  border: 1px solid var(--border);
  color: var(--text);
  box-shadow: var(--shadow);
  opacity: 0;
  visibility: hidden;
  transform: translateY(10px);
  transition: opacity 0.25s ease, transform 0.25s ease, visibility 0.25s ease, border-color 0.2s ease;
  z-index: 90;
}
.back-to-top svg { width: 20px; height: 20px; }
.back-to-top.is-visible { opacity: 1; visibility: visible; transform: translateY(0); }
.back-to-top:hover { border-color: var(--accent); }

.project-body { padding: 22px; }
.project-tag {
  display: inline-block;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.08em;
  color: var(--accent);
  background: var(--accent-soft);
  padding: 4px 10px;
  border-radius: 6px;
  margin-bottom: 12px;
}
.project-title { font-size: 19px; font-weight: 700; margin: 0 0 8px; }
.project-desc { font-size: 14px; color: var(--text-muted); margin: 0 0 18px; }

.project-card.is-extra { display: none; }
.project-card.is-extra.is-shown { display: block; }

.show-more-wrap { text-align: center; margin-top: 36px; }

/* ===== AI Studio ===== */
.aistudio-shot {
  margin: 0 0 32px;
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid var(--border);
  background: var(--surface);
  box-shadow: var(--shadow);
}
.aistudio-shot img { display: block; width: 100%; height: auto; }

.aistudio-info { max-width: 820px; margin: 0 auto; text-align: center; }
.aistudio-name { font-size: 22px; font-weight: 700; margin: 0 0 12px; }
.aistudio-desc { color: var(--text-muted); font-size: 15px; line-height: 1.65; margin: 0 0 20px; }
.aistudio-features {
  list-style: none;
  padding: 0;
  margin: 0 0 22px;
  display: grid;
  gap: 10px;
  text-align: left;
}
@media (min-width: 720px) { .aistudio-features { grid-template-columns: repeat(2, 1fr); } }
.aistudio-features li {
  position: relative;
  padding: 12px 14px 12px 36px;
  font-size: 14px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
}
.aistudio-features li::before {
  content: "";
  position: absolute;
  left: 14px; top: 18px;
  width: 8px; height: 8px;
  border-radius: 50%;
  background: var(--accent);
}
.aistudio-stack { display: flex; flex-wrap: wrap; justify-content: center; gap: 8px; }
.aistudio-stack span {
  font-size: 12px;
  font-weight: 600;
  color: var(--accent);
  background: var(--accent-soft);
  padding: 5px 12px;
  border-radius: 999px;
}

/* ===== AI Video ===== */
.video-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 24px;
}
@media (min-width: 640px) { .video-grid { grid-template-columns: repeat(2, 1fr); } }
@media (min-width: 980px) { .video-grid { grid-template-columns: repeat(3, 1fr); } }

.video-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
}
.video-player {
  position: relative;
  aspect-ratio: 9 / 16;
  background: #000;
}
.video-player video { width: 100%; height: 100%; object-fit: cover; }
.video-overlay {
  position: absolute; inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-direction: column;
  gap: 10px;
  color: #fff;
  text-align: center;
  padding: 16px;
  cursor: pointer;
  transition: opacity 0.25s ease;
}
.video-overlay-play {
  background: linear-gradient(180deg, rgba(0,0,0,0.05), rgba(0,0,0,0.35));
}
.video-overlay .badge-soon {
  font-size: 12px;
  font-weight: 700;
  padding: 6px 14px;
  border-radius: 999px;
  background: rgba(255,255,255,0.14);
  border: 1px solid rgba(255,255,255,0.25);
}
.video-controls {
  position: absolute;
  left: 0; right: 0; bottom: 0;
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 12px;
  background: linear-gradient(0deg, rgba(0,0,0,0.7), transparent);
  opacity: 0;
  transition: opacity 0.2s ease;
}
.video-player:hover .video-controls { opacity: 1; }
.video-controls button {
  background: none; border: none; color: #fff;
  display: inline-flex; align-items: center; justify-content: center;
  width: 26px; height: 26px;
}
.video-controls svg { width: 18px; height: 18px; }
.video-progress {
  flex: 1;
  height: 4px;
  background: rgba(255,255,255,0.25);
  border-radius: 999px;
  overflow: hidden;
}
.video-progress-fill { height: 100%; width: 0%; background: var(--accent); }
.video-time { font-size: 11px; color: #fff; min-width: 38px; text-align: right; }
.video-caption { padding: 14px 18px; font-size: 14px; font-weight: 600; text-align: center; }

/* ===== CTA ===== */
.cta-block {
  background: linear-gradient(135deg, var(--accent-soft), transparent);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 56px 32px;
  text-align: center;
}
.cta-title { font-size: clamp(24px, 3.6vw, 34px); font-weight: 800; margin: 0 0 14px; }
.cta-desc { color: var(--text-muted); max-width: 520px; margin: 0 auto 28px; }

/* ===== Contact ===== */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 18px;
}
@media (min-width: 700px) { .contact-grid { grid-template-columns: repeat(2, 1fr); } }

.contact-card {
  display: flex;
  align-items: center;
  gap: 16px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 20px;
  transition: border-color 0.2s ease, transform 0.2s ease;
}
.contact-card:hover { border-color: var(--accent); transform: translateY(-2px); }
.contact-icon {
  width: 46px; height: 46px;
  border-radius: 12px;
  background: var(--accent-soft);
  color: var(--accent);
  display: flex; align-items: center; justify-content: center;
  flex-shrink: 0;
}
.contact-icon svg { width: 22px; height: 22px; }
.contact-info { flex: 1; min-width: 0; }
.contact-name { font-weight: 700; margin: 0 0 2px; }
.contact-value { font-size: 13px; color: var(--text-muted); margin: 0 0 2px; word-break: break-word; }
.contact-desc { font-size: 12px; color: var(--text-muted); margin: 0; }

/* ===== Footer ===== */
.footer {
  border-top: 1px solid var(--border);
  padding: 32px 0;
}
.footer-inner {
  display: flex;
  flex-direction: column;
  gap: 16px;
  align-items: center;
  text-align: center;
}
@media (min-width: 700px) {
  .footer-inner { flex-direction: row; justify-content: space-between; text-align: left; }
}
.footer-links { display: flex; gap: 14px; }
.footer-links a {
  width: 38px; height: 38px;
  border-radius: 999px;
  background: var(--surface);
  border: 1px solid var(--border);
  display: flex; align-items: center; justify-content: center;
  transition: border-color 0.2s ease;
}
.footer-links a:hover { border-color: var(--accent); }
.footer-links svg { width: 17px; height: 17px; }
.footer-copy { font-size: 13px; color: var(--text-muted); }

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

:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}