/* ==================== 1. 基础变量与全局样式 ==================== */
:root {
  --bg: #070b16;
  --bg-deep: #040710;
  --surface: rgba(17, 24, 44, 0.58);
  --surface-strong: rgba(18, 29, 55, 0.82);
  --surface-light: rgba(137, 217, 255, 0.08);
  --text: #edf5ff;
  --text-soft: #aab8d0;
  --text-faint: #6e7d9c;
  --cyan: #62e4ff;
  --blue: #6e8cff;
  --violet: #a276ff;
  --green: #79efbc;
  --border: rgba(159, 198, 255, 0.16);
  --border-bright: rgba(125, 222, 255, 0.42);
  --shadow: 0 24px 80px rgba(0, 0, 0, 0.36);
  --radius-lg: 1.5rem;
  --radius-md: 1rem;
  --header-height: 4.75rem;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  min-width: 320px;
  margin: 0;
  overflow-x: hidden;
  color: var(--text);
  background: var(--bg-deep);
  font-family: "Segoe UI", "Microsoft YaHei", "PingFang SC", system-ui, sans-serif;
  font-size: 16px;
  line-height: 1.7;
  transition: opacity 500ms ease;
}

.js body { opacity: 0; }
.js body.is-loaded { opacity: 1; }

a { color: inherit; text-decoration: none; }
button { font: inherit; }
button, a { -webkit-tap-highlight-color: transparent; }
button { cursor: pointer; }

:focus-visible {
  outline: 3px solid var(--cyan);
  outline-offset: 4px;
}

.container {
  width: min(1120px, calc(100% - 3rem));
  margin: 0 auto;
}

.section {
  position: relative;
  padding: 7.5rem 0;
  scroll-margin-top: calc(var(--header-height) + 1rem);
}

.section-tint::before {
  position: absolute;
  inset: 1.5rem 0;
  z-index: -1;
  content: "";
  background: linear-gradient(90deg, transparent, rgba(32, 59, 112, 0.12), transparent);
  border-top: 1px solid rgba(124, 185, 255, 0.07);
  border-bottom: 1px solid rgba(124, 185, 255, 0.07);
}

/* ==================== 2. 背景与通用组件 ==================== */
.ambient-background {
  position: fixed;
  inset: 0;
  z-index: -2;
  overflow: hidden;
  pointer-events: none;
  background:
    radial-gradient(circle at 50% -20%, #172554 0, transparent 40%),
    linear-gradient(135deg, #070b16 0%, #080d1d 50%, #050814 100%);
}

.glow {
  position: absolute;
  width: 42rem;
  height: 42rem;
  border-radius: 50%;
  filter: blur(80px);
  opacity: 0.2;
}

.glow-one { top: -21rem; right: -18rem; background: var(--blue); }
.glow-two { bottom: -25rem; left: -20rem; background: var(--violet); }

.grid-overlay {
  position: absolute;
  inset: 0;
  opacity: 0.19;
  background-image:
    linear-gradient(rgba(126, 182, 255, 0.08) 1px, transparent 1px),
    linear-gradient(90deg, rgba(126, 182, 255, 0.08) 1px, transparent 1px);
  background-size: 48px 48px;
  mask-image: linear-gradient(to bottom, black, transparent 78%);
}

.skip-link {
  position: fixed;
  top: 0.75rem;
  left: 0.75rem;
  z-index: 20;
  padding: 0.7rem 1rem;
  color: #07101d;
  background: var(--cyan);
  border-radius: 0.5rem;
  transform: translateY(-160%);
}
.skip-link:focus { transform: translateY(0); }

.eyebrow, .section-index, .card-label, .hero-kicker, .dialog-index {
  margin: 0;
  color: var(--cyan);
  font-family: Consolas, "Cascadia Code", monospace;
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.14em;
}

.section-heading { max-width: 42rem; margin-bottom: 3rem; }
.section-heading h2, .contact-panel h2 {
  margin: 0.45rem 0 0.75rem;
  font-size: clamp(2rem, 4vw, 3.25rem);
  line-height: 1.18;
  letter-spacing: -0.045em;
}
.section-heading > p:last-child, .contact-panel > div > p:last-child { margin: 0; color: var(--text-soft); }

.status-dot {
  display: inline-block;
  width: 0.5rem;
  height: 0.5rem;
  margin-right: 0.45rem;
  background: var(--green);
  border-radius: 50%;
  box-shadow: 0 0 0.7rem var(--green);
  animation: pulse 2.4s infinite;
}

.button {
  position: relative;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.65rem;
  min-height: 3rem;
  padding: 0.75rem 1.1rem;
  overflow: hidden;
  border: 1px solid transparent;
  border-radius: 0.8rem;
  font-size: 0.95rem;
  font-weight: 700;
  transition: transform 220ms ease, box-shadow 220ms ease, border-color 220ms ease, background 220ms ease;
}

.button:hover { transform: translateY(-3px); }
.button:active, .button.is-pressed { transform: translateY(0) scale(0.98); }
.button-primary { color: #04101d; background: linear-gradient(135deg, var(--cyan), #84b7ff); box-shadow: 0 12px 30px rgba(79, 198, 255, 0.2); }
.button-primary:hover { box-shadow: 0 15px 40px rgba(79, 198, 255, 0.32); }
.button-secondary { color: var(--text); background: rgba(11, 19, 38, 0.45); border-color: var(--border); }
.button-secondary:hover { background: rgba(85, 154, 255, 0.11); border-color: var(--border-bright); }

/* ==================== 3. 导航栏 ==================== */
.site-header {
  position: fixed;
  top: 0;
  right: 0;
  left: 0;
  z-index: 10;
  height: var(--header-height);
  border-bottom: 1px solid transparent;
  transition: background 250ms ease, border-color 250ms ease, backdrop-filter 250ms ease;
}

.site-header.scrolled {
  background: rgba(5, 9, 20, 0.73);
  border-color: rgba(146, 188, 255, 0.12);
  backdrop-filter: blur(18px);
}

.navigation { display: flex; align-items: center; justify-content: space-between; height: 100%; }
.brand { display: inline-flex; align-items: center; gap: 0.55rem; font-family: Consolas, "Cascadia Code", monospace; font-size: 0.9rem; font-weight: 800; letter-spacing: 0.04em; }
.brand-mark { display: grid; width: 1.8rem; height: 1.8rem; place-items: center; color: #06111e; background: linear-gradient(135deg, var(--cyan), var(--blue)); border-radius: 0.46rem; box-shadow: 0 0 1.5rem rgba(98, 228, 255, 0.23); }
.brand-accent { color: var(--cyan); }
.nav-menu { display: flex; align-items: center; gap: 0.25rem; }
.nav-link { position: relative; padding: 0.55rem 0.8rem; color: var(--text-soft); font-size: 0.9rem; transition: color 180ms ease; }
.nav-link::after { position: absolute; right: 0.8rem; bottom: 0.2rem; left: 0.8rem; height: 2px; content: ""; background: var(--cyan); border-radius: 1rem; transform: scaleX(0); transform-origin: right; transition: transform 180ms ease; }
.nav-link:hover, .nav-link.active { color: var(--text); }
.nav-link:hover::after, .nav-link.active::after { transform: scaleX(1); transform-origin: left; }
.menu-toggle { display: none; width: 2.75rem; height: 2.75rem; padding: 0.6rem; color: var(--text); background: rgba(12, 21, 42, 0.7); border: 1px solid var(--border); border-radius: 0.7rem; }
.menu-toggle span { display: block; width: 100%; height: 2px; margin: 0.25rem 0; background: currentColor; border-radius: 2px; transition: transform 200ms ease, opacity 200ms ease; }

/* ==================== 4. Hero 区域 ==================== */
.hero { display: grid; min-height: max(44rem, 100vh); padding-top: calc(var(--header-height) + 4rem); align-items: center; }
.hero-layout { display: grid; grid-template-columns: minmax(0, 1.08fr) minmax(19rem, 0.92fr); align-items: center; gap: clamp(2.5rem, 6vw, 6rem); }
.hero-copy { min-width: 0; padding-bottom: 2.5rem; }
.hero-kicker { margin-top: 1.75rem; color: var(--text-faint); }
.hero h1 { max-width: 46rem; margin: 0.55rem 0 1.35rem; font-size: clamp(3rem, 7vw, 5.8rem); line-height: 1.03; letter-spacing: -0.065em; }

/* 移动端不支持渐变文字时，保持名称清晰可见。 */
.hero-name {
  display: inline-block;
  padding: 0.04em 0.1em 0.14em 0;
  color: var(--cyan);
  line-height: 1.14;
  letter-spacing: -0.035em;
}

/* Safari / Android Chromium 需要 WebKit 前缀，避免透明文字显示成渐变色块。 */
@supports ((-webkit-background-clip: text) or (background-clip: text)) {
  .hero-name {
    background-image: linear-gradient(100deg, #f0f7ff 20%, var(--cyan) 58%, #b6a4ff);
    background-repeat: no-repeat;
    background-size: 100% 100%;
    background-origin: border-box;
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    color: transparent;
  }
}
.hero-description { max-width: 37rem; margin: 0; overflow-wrap: anywhere; color: var(--text-soft); font-size: 1.1rem; }
.typing-line { min-height: 1.75rem; margin: 1.45rem 0 2rem; color: #c4d6ed; font-family: Consolas, "Cascadia Code", monospace; font-size: 0.88rem; }
.typing-prefix { color: var(--cyan); }
.cursor { display: inline-block; width: 0.6rem; height: 1.05em; margin-left: 0.16rem; vertical-align: -0.16em; background: var(--cyan); animation: blink 900ms step-end infinite; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 0.8rem; }

.terminal-card { position: relative; overflow: hidden; background: linear-gradient(145deg, rgba(23, 38, 69, 0.8), rgba(10, 16, 34, 0.64)); border: 1px solid var(--border); border-radius: var(--radius-lg); box-shadow: var(--shadow), inset 0 1px 0 rgba(255, 255, 255, 0.05); backdrop-filter: blur(14px); }
.terminal-topbar { display: flex; align-items: center; gap: 0.7rem; padding: 0.85rem 1rem; color: var(--text-faint); background: rgba(5, 10, 22, 0.42); border-bottom: 1px solid var(--border); font-family: Consolas, "Cascadia Code", monospace; font-size: 0.72rem; }
.terminal-lights { display: flex; gap: 0.3rem; }
.terminal-lights i { width: 0.5rem; height: 0.5rem; background: #66718a; border-radius: 50%; }
.terminal-lights i:first-child { background: #ff7777; }.terminal-lights i:nth-child(2) { background: #ffd773; }.terminal-lights i:last-child { background: var(--green); }
.terminal-code { margin-left: auto; color: var(--cyan); }
.terminal-content { position: relative; z-index: 1; padding: clamp(1.5rem, 4vw, 2.15rem); font-family: Consolas, "Cascadia Code", monospace; font-size: 0.86rem; }
.terminal-content p { margin: 0 0 0.72rem; color: #c4d0e3; }
.terminal-prompt { color: var(--cyan); }.terminal-ok { display: inline-block; width: 1.5rem; color: var(--green); }
.terminal-divider { height: 1px; margin: 1.6rem 0 1.25rem; background: var(--border); }
.terminal-data { display: grid; gap: 0.85rem; margin: 0; }
.terminal-data div { display: flex; justify-content: space-between; gap: 1rem; }.terminal-data dt { color: var(--text-faint); }.terminal-data dd { margin: 0; color: var(--cyan); text-align: right; }
.signal-rings { position: absolute; right: -5rem; bottom: -5rem; width: 14rem; height: 14rem; opacity: 0.45; }
.signal-rings span { position: absolute; inset: 0; border: 1px solid rgba(98, 228, 255, 0.25); border-radius: 50%; }.signal-rings span:nth-child(2) { inset: 1.5rem; }.signal-rings span:nth-child(3) { inset: 3rem; background: rgba(98, 228, 255, 0.07); }
.scroll-hint { position: absolute; bottom: 1.6rem; left: 50%; display: flex; flex-direction: column; align-items: center; gap: 0.5rem; color: var(--text-faint); font-family: Consolas, "Cascadia Code", monospace; font-size: 0.64rem; letter-spacing: 0.12em; transform: translateX(-50%); }.scroll-hint i { display: block; width: 1px; height: 2rem; background: linear-gradient(var(--cyan), transparent); animation: scrollLine 1.8s ease-in-out infinite; }

/* ==================== 5. 关于我与技能卡片 ==================== */
.about-grid { display: grid; grid-template-columns: 1.5fr 1fr 1fr; gap: 1rem; }
.about-card, .skill-card, .project-card { border: 1px solid var(--border); border-radius: var(--radius-md); background: var(--surface); box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.025); backdrop-filter: blur(12px); }
.about-card { min-height: 16rem; padding: 1.55rem; }.about-card h3 { margin: 0.4rem 0 0.85rem; font-size: 1.35rem; line-height: 1.25; }.about-card > p:not(.card-label) { margin: 0 0 0.9rem; color: var(--text-soft); font-size: 0.95rem; }.about-intro { background: linear-gradient(135deg, rgba(83, 165, 255, 0.14), rgba(20, 29, 58, 0.64)); }
.about-icon { display: grid; width: 2.45rem; height: 2.45rem; margin-bottom: 1.55rem; place-items: center; color: var(--cyan); background: rgba(86, 192, 255, 0.1); border: 1px solid rgba(98, 228, 255, 0.17); border-radius: 0.7rem; font-family: Consolas, "Cascadia Code", monospace; font-weight: 700; }
.tag-list, .simple-list, .project-tags { display: flex; flex-wrap: wrap; gap: 0.5rem; padding: 0; margin: 1.2rem 0 0; list-style: none; }.tag-list li, .project-tags li { padding: 0.35rem 0.55rem; color: #bdcff0; background: rgba(143, 192, 255, 0.08); border: 1px solid rgba(143, 192, 255, 0.12); border-radius: 0.35rem; font-size: 0.75rem; }.simple-list { display: grid; gap: 0.55rem; }.simple-list li { display: flex; align-items: center; gap: 0.6rem; color: var(--text-soft); font-size: 0.9rem; }.simple-list span { width: 0.4rem; height: 0.4rem; background: var(--cyan); border-radius: 50%; box-shadow: 0 0 0.7rem rgba(98, 228, 255, 0.5); }

.skills-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 1rem; }.skill-card { min-height: 15rem; padding: 1.35rem; transition: transform 220ms ease, border-color 220ms ease, background 220ms ease, box-shadow 220ms ease; }.skill-card:hover { background: rgba(29, 47, 84, 0.72); border-color: rgba(98, 228, 255, 0.35); box-shadow: 0 1rem 2.2rem rgba(0, 0, 0, 0.2); transform: translateY(-0.35rem); }.skill-icon { display: grid; width: 2.7rem; height: 2.7rem; margin-bottom: 1.45rem; place-items: center; color: var(--cyan); background: linear-gradient(135deg, rgba(98, 228, 255, 0.18), rgba(112, 130, 255, 0.11)); border: 1px solid rgba(125, 216, 255, 0.17); border-radius: 0.75rem; font-family: Consolas, "Cascadia Code", monospace; font-size: 0.74rem; font-weight: 800; }.skill-card h3 { margin: 0; font-size: 1.05rem; }.skill-card p { min-height: 3.1rem; margin: 0.55rem 0 1rem; color: var(--text-soft); font-size: 0.85rem; line-height: 1.55; }.skill-state { color: var(--cyan); font-family: Consolas, "Cascadia Code", monospace; font-size: 0.72rem; }.skill-state::before { content: "// "; color: var(--text-faint); }

/* ==================== 6. 项目与联系区域 ==================== */
.section-heading-row { display: flex; align-items: end; justify-content: space-between; gap: 2rem; max-width: none; }.section-heading-row > p { max-width: 22rem; margin: 0 0 0.5rem; color: var(--text-soft); }
.projects-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 1rem; }.project-card { display: flex; flex-direction: column; min-height: 20rem; padding: 1.65rem; transition: transform 240ms ease, border-color 240ms ease, background 240ms ease, box-shadow 240ms ease; }.project-card:hover { background: linear-gradient(145deg, rgba(30, 52, 95, 0.78), rgba(15, 23, 47, 0.78)); border-color: rgba(116, 210, 255, 0.42); box-shadow: 0 1.4rem 2.5rem rgba(0, 0, 0, 0.23); transform: translateY(-0.4rem); }.project-top { display: flex; align-items: center; justify-content: space-between; color: var(--text-faint); font-family: Consolas, "Cascadia Code", monospace; font-size: 0.8rem; }.project-pulse { display: inline-flex; align-items: center; gap: 0.35rem; color: var(--green); font-size: 0.64rem; letter-spacing: 0.08em; }.project-pulse::before { width: 0.35rem; height: 0.35rem; content: ""; background: currentColor; border-radius: 50%; box-shadow: 0 0 0.6rem currentColor; }.project-card h3 { margin: 2.2rem 0 0.55rem; font-size: 1.45rem; }.project-card > p { margin: 0; color: var(--text-soft); font-size: 0.93rem; }.project-tags { margin-top: 1.35rem; }.project-link { display: inline-flex; align-items: center; gap: 0.45rem; width: max-content; margin-top: auto; padding: 0.55rem 0 0; color: var(--cyan); background: transparent; border: 0; font-size: 0.9rem; font-weight: 700; }.project-link span { transition: transform 180ms ease; }.project-link:hover span { transform: translate(0.2rem, -0.2rem); }

.contact-section { padding-bottom: 6.5rem; }.contact-panel { display: grid; grid-template-columns: 0.9fr 1.1fr; gap: clamp(2rem, 7vw, 6rem); padding: clamp(1.8rem, 5vw, 4rem); background: linear-gradient(130deg, rgba(53, 84, 164, 0.36), rgba(18, 28, 55, 0.75) 50%, rgba(62, 39, 110, 0.27)); border: 1px solid rgba(128, 194, 255, 0.26); border-radius: var(--radius-lg); box-shadow: var(--shadow); }.contact-links { display: grid; align-content: center; }.contact-links a { display: grid; grid-template-columns: 5.8rem 1fr auto; gap: 1rem; align-items: center; padding: 1rem 0; border-bottom: 1px solid var(--border); transition: color 180ms ease, padding 180ms ease; }.contact-links a:first-child { border-top: 1px solid var(--border); }.contact-links a:hover { padding-right: 0.3rem; padding-left: 0.3rem; color: var(--cyan); }.contact-links span { color: var(--text-faint); font-family: Consolas, "Cascadia Code", monospace; font-size: 0.7rem; letter-spacing: 0.08em; }.contact-links strong { overflow-wrap: anywhere; font-size: 0.92rem; }.contact-links b { font-size: 1.1rem; font-weight: 400; }

/* ==================== 7. Footer、弹窗与返回顶部 ==================== */
.site-footer { padding: 1.65rem 0; border-top: 1px solid rgba(150, 188, 255, 0.1); }.footer-content { display: flex; justify-content: space-between; gap: 1rem; color: var(--text-faint); font-size: 0.78rem; }.footer-content p { margin: 0; }.footer-content span { color: var(--text-soft); }
.project-dialog { width: min(32rem, calc(100% - 2rem)); padding: 2.1rem; color: var(--text); background: #101a35; border: 1px solid rgba(126, 211, 255, 0.35); border-radius: var(--radius-lg); box-shadow: 0 2rem 6rem rgba(0, 0, 0, 0.6); }.project-dialog::backdrop { background: rgba(2, 5, 14, 0.74); backdrop-filter: blur(4px); }.project-dialog h2 { margin: 0.5rem 0 0.8rem; font-size: 1.85rem; }.project-dialog > p:not(.dialog-index) { margin: 0; color: var(--text-soft); }.dialog-close { position: absolute; top: 1rem; right: 1rem; display: grid; width: 2rem; height: 2rem; place-items: center; color: var(--text-soft); background: rgba(127, 164, 224, 0.1); border: 1px solid var(--border); border-radius: 50%; font-size: 1.35rem; line-height: 1; }.dialog-close:hover { color: var(--text); background: rgba(127, 164, 224, 0.2); }.dialog-stack { display: grid; gap: 0.25rem; margin: 1.5rem 0; padding: 1rem; background: rgba(102, 151, 255, 0.08); border-left: 2px solid var(--cyan); }.dialog-stack span { color: var(--text-faint); font-family: Consolas, "Cascadia Code", monospace; font-size: 0.68rem; letter-spacing: 0.1em; }.dialog-stack strong { color: var(--cyan); font-size: 0.9rem; }.dialog-contact { width: 100%; }
.back-to-top { position: fixed; right: 1.25rem; bottom: 1.25rem; z-index: 6; display: grid; width: 2.85rem; height: 2.85rem; place-items: center; color: var(--text); background: rgba(17, 30, 60, 0.72); border: 1px solid var(--border); border-radius: 0.8rem; box-shadow: 0 0.75rem 1.6rem rgba(0, 0, 0, 0.25); opacity: 0; pointer-events: none; transform: translateY(0.8rem); transition: opacity 180ms ease, transform 180ms ease, border-color 180ms ease; backdrop-filter: blur(10px); }.back-to-top.visible { opacity: 1; pointer-events: auto; transform: translateY(0); }.back-to-top:hover { border-color: var(--cyan); color: var(--cyan); }
.noscript-notice { position: fixed; right: 1rem; bottom: 1rem; z-index: 30; max-width: 20rem; padding: 0.75rem 1rem; color: #1d2635; background: #dcecff; border-radius: 0.6rem; font-size: 0.85rem; }

/* ==================== 8. 动画与滚动出现效果 ==================== */
.reveal { opacity: 0; transform: translateY(1.25rem); transition: opacity 600ms ease, transform 600ms cubic-bezier(.2,.65,.2,1); }.reveal.is-visible { opacity: 1; transform: translateY(0); }.no-js .reveal { opacity: 1; transform: none; }
@keyframes pulse { 50% { opacity: 0.45; box-shadow: 0 0 0.25rem var(--green); } }
@keyframes blink { 50% { opacity: 0; } }
@keyframes scrollLine { 0%, 100% { transform: scaleY(0.4); transform-origin: top; opacity: 0.4; } 50% { transform: scaleY(1); transform-origin: top; opacity: 1; } }

/* ==================== 9. 响应式布局 ==================== */
@media (max-width: 960px) {
  .hero-layout { grid-template-columns: 1fr 0.83fr; gap: 2.5rem; }
  .hero h1 { font-size: clamp(3rem, 7vw, 4.8rem); }
  .about-grid { grid-template-columns: 1fr 1fr; }.about-intro { grid-column: span 2; min-height: auto; }
  .skills-grid { grid-template-columns: repeat(3, 1fr); }
}

@media (max-width: 720px) {
  :root { --header-height: 4.25rem; }
  .container { width: min(100% - 2rem, 40rem); }
  .section { padding: 5.25rem 0; }
  .site-header { background: rgba(5, 9, 20, 0.74); border-color: rgba(146, 188, 255, 0.1); backdrop-filter: blur(16px); }
  .menu-toggle { display: block; position: relative; z-index: 2; }.menu-toggle[aria-expanded="true"] span:first-child { transform: translateY(0.42rem) rotate(45deg); }.menu-toggle[aria-expanded="true"] span:nth-child(2) { opacity: 0; }.menu-toggle[aria-expanded="true"] span:last-child { transform: translateY(-0.42rem) rotate(-45deg); }
  .nav-menu { position: absolute; top: calc(100% + 0.5rem); right: 1rem; left: 1rem; display: grid; gap: 0.15rem; padding: 0.55rem; visibility: hidden; background: rgba(10, 17, 36, 0.96); border: 1px solid var(--border); border-radius: 1rem; box-shadow: var(--shadow); opacity: 0; transform: translateY(-0.5rem); transition: opacity 180ms ease, transform 180ms ease, visibility 180ms ease; }.nav-menu.open { visibility: visible; opacity: 1; transform: translateY(0); }.nav-link { padding: 0.75rem 0.85rem; border-radius: 0.55rem; }.nav-link:hover, .nav-link.active { background: rgba(97, 158, 255, 0.1); }.nav-link::after { display: none; }
  .hero { min-height: auto; padding-top: calc(var(--header-height) + 4.5rem); padding-bottom: 5.5rem; }.hero-layout { grid-template-columns: 1fr; gap: 2.5rem; }.hero-copy { padding: 0; }.hero h1 { font-size: clamp(2.8rem, 13vw, 4.4rem); }.hero-description { font-size: 1rem; }.terminal-card { max-width: 33rem; }.scroll-hint { display: none; }
  .section-heading { margin-bottom: 2.2rem; }.section-heading-row { display: block; }.section-heading-row > p { margin: 0.75rem 0 0; }
  .about-grid, .projects-grid, .contact-panel { grid-template-columns: 1fr; }.about-intro { grid-column: auto; }.about-card { min-height: auto; }.skills-grid { grid-template-columns: repeat(2, 1fr); }.skill-card { min-height: 13.5rem; }.project-card { min-height: 18rem; }.contact-panel { gap: 2rem; }.contact-links a { grid-template-columns: 4.6rem 1fr auto; gap: 0.65rem; }.footer-content { flex-direction: column; gap: 0.25rem; }.back-to-top { right: 1rem; bottom: 1rem; }
}

@media (max-width: 430px) {
  .hero-actions { display: grid; grid-template-columns: 1fr; }.button { width: 100%; }.terminal-content { font-size: 0.75rem; }.terminal-data { gap: 0.65rem; }.skills-grid { grid-template-columns: 1fr; }.skill-card { min-height: 0; }.contact-links a { grid-template-columns: 1fr auto; }.contact-links span { grid-column: 1 / -1; }.contact-links b { grid-column: 2; grid-row: 2; }.contact-links strong { grid-column: 1; grid-row: 2; }.project-dialog { padding: 1.65rem; }.section-heading h2, .contact-panel h2 { font-size: 2rem; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }.reveal { opacity: 1; transform: none; transition: none; }.status-dot, .cursor, .scroll-hint i { animation: none; }.button, .skill-card, .project-card, .back-to-top, .nav-menu { transition: none; }
}