/* ============================================================
   鱼鹰视讯 - APP功能展示页
   深海水域主题 / 深色界面
   ============================================================ */

:root {
  --bg: #060b14;
  --bg-2: #0a1220;
  --surface: #0f1a2c;
  --surface-2: #132238;
  --line: rgba(148, 180, 220, 0.14);
  --text: #e9f1fa;
  --text-muted: #93a6bf;
  --blue: #2e7cf6;
  --blue-deep: #1d5fd6;
  --cyan: #22d3ee;
  --teal: #2dd4bf;
  --amber: #fbbf24;
  --green: #34d399;
  --violet: #a78bfa;
  --radius: 14px;
  --radius-sm: 8px;
  --nav-h: 68px;
  --shadow-lg: 0 24px 60px rgba(2, 8, 20, 0.55);
  --font: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", "Helvetica Neue", Arial, sans-serif;
}

* { margin: 0; padding: 0; box-sizing: border-box; }

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

body {
  font-family: var(--font);
  background: var(--bg);
  color: var(--text);
  line-height: 1.7;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

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

.container { width: min(1180px, 92%); margin: 0 auto; }

.icon { width: 1.1em; height: 1.1em; flex: none; }

/* ============ 按钮 ============ */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 10px 22px;
  border-radius: 10px;
  font-size: 15px;
  font-weight: 600;
  border: 1px solid transparent;
  cursor: pointer;
  transition: transform .2s ease, box-shadow .2s ease, background .2s ease, border-color .2s ease;
  white-space: nowrap;
}
.btn:active { transform: scale(.97); }
.btn-primary {
  background: linear-gradient(135deg, #2e7cf6, #1d5fd6);
  color: #fff;
  box-shadow: 0 8px 24px rgba(46, 124, 246, 0.35);
}
.btn-primary:hover { box-shadow: 0 12px 32px rgba(46, 124, 246, 0.5); transform: translateY(-2px); }
.btn-ghost {
  background: rgba(148, 180, 220, 0.08);
  border-color: var(--line);
  color: var(--text);
}
.btn-ghost:hover { background: rgba(148, 180, 220, 0.16); transform: translateY(-2px); }
.btn-lg { padding: 14px 30px; font-size: 16px; border-radius: 12px; }

/* ============ 导航栏 ============ */
.nav {
  position: fixed;
  inset: 0 0 auto 0;
  z-index: 100;
  height: var(--nav-h);
  transition: background .3s ease, box-shadow .3s ease, backdrop-filter .3s ease;
}
.nav.scrolled {
  background: rgba(6, 11, 20, 0.82);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  box-shadow: 0 1px 0 var(--line);
}
.nav-inner {
  width: min(1240px, 94%);
  height: 100%;
  margin: 0 auto;
  display: flex;
  align-items: center;
  gap: 28px;
}
.brand { display: flex; align-items: center; gap: 10px; flex: none; }
.brand-logo {
  width: 38px; height: 38px;
  border-radius: 50%;
  box-shadow: 0 0 0 1px rgba(148, 180, 220, 0.25), 0 4px 14px rgba(29, 95, 214, 0.45);
  transition: transform .3s ease, box-shadow .3s ease;
}
.brand:hover .brand-logo {
  transform: scale(1.08) rotate(-4deg);
  box-shadow: 0 0 0 1px rgba(142, 201, 255, 0.5), 0 6px 22px rgba(46, 124, 246, 0.65);
}
.brand-name { font-size: 20px; font-weight: 700; letter-spacing: 1px; }
.nav-links { display: flex; gap: 4px; margin-left: auto; }
.nav-links a {
  padding: 8px 14px;
  font-size: 15px;
  color: var(--text-muted);
  border-radius: 8px;
  transition: color .2s, background .2s;
}
.nav-links a:hover, .nav-links a.active { color: var(--text); background: rgba(148, 180, 220, 0.1); }
.btn-nav { padding: 8px 18px; font-size: 14px; }
.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: 0;
  cursor: pointer;
  padding: 8px;
}
.nav-toggle span { width: 22px; height: 2px; background: var(--text); border-radius: 2px; transition: .25s; }

/* ============ Hero ============ */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: calc(var(--nav-h) + 40px) 0 90px;
  overflow: hidden;
  background:
    radial-gradient(1100px 500px at 75% -10%, rgba(46, 124, 246, 0.22), transparent 60%),
    radial-gradient(900px 500px at 10% 110%, rgba(34, 211, 238, 0.12), transparent 55%),
    linear-gradient(180deg, #0a1626 0%, #081120 45%, #060b14 100%);
}
.sea-canvas { position: absolute; inset: 0; width: 100%; height: 100%; pointer-events: none; }
.hero-rays {
  position: absolute;
  inset: -20% -10% auto -10%;
  height: 80%;
  pointer-events: none;
  background:
    linear-gradient(105deg, transparent 42%, rgba(120, 200, 255, 0.06) 46%, transparent 52%),
    linear-gradient(80deg, transparent 55%, rgba(120, 200, 255, 0.05) 60%, transparent 66%),
    linear-gradient(95deg, transparent 68%, rgba(120, 200, 255, 0.04) 72%, transparent 78%);
  animation: rays 9s ease-in-out infinite alternate;
}
@keyframes rays { from { opacity: .6; transform: translateX(-2%); } to { opacity: 1; transform: translateX(2%); } }

.hero-inner {
  position: relative;
  z-index: 2;
  width: min(1180px, 92%);
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  align-items: center;
  gap: 48px;
}
.hero-eyebrow {
  display: inline-block;
  font-size: 14px;
  letter-spacing: 3px;
  color: var(--cyan);
  border: 1px solid rgba(34, 211, 238, 0.35);
  background: rgba(34, 211, 238, 0.08);
  padding: 6px 16px;
  border-radius: 999px;
  margin-bottom: 18px;
}

/* 首屏品牌LOGO展示 */
.hero-brand {
  display: flex;
  align-items: center;
  gap: 22px;
  margin-bottom: 20px;
}
.hero-logo-wrap {
  position: relative;
  flex: none;
  width: 96px;
  height: 96px;
  display: flex;
  align-items: center;
  justify-content: center;
}
.hero-logo {
  width: 88px;
  height: 88px;
  border-radius: 50%;
  box-shadow:
    0 0 0 2px rgba(142, 201, 255, 0.35),
    0 0 32px rgba(46, 124, 246, 0.55),
    0 12px 40px rgba(2, 8, 20, 0.6);
  animation: logoFloat 5s ease-in-out infinite;
}
.hero-logo-ring {
  position: absolute;
  inset: 0;
  border-radius: 50%;
  border: 1.5px solid rgba(34, 211, 238, 0.55);
  animation: logoPulse 2.8s ease-out infinite;
  pointer-events: none;
}
@keyframes logoFloat {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-8px); }
}
@keyframes logoPulse {
  0% { transform: scale(1); opacity: .9; }
  70% { transform: scale(1.45); opacity: 0; }
  100% { transform: scale(1.45); opacity: 0; }
}
.hero-title {
  font-size: clamp(44px, 6.5vw, 76px);
  line-height: 1.1;
  font-weight: 800;
  letter-spacing: 4px;
  background: linear-gradient(120deg, #ffffff 30%, #8ec9ff 75%, #22d3ee);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.hero-slogan {
  font-size: clamp(20px, 2.6vw, 30px);
  font-weight: 600;
  color: #bcd7f5;
  letter-spacing: 6px;
  margin: 14px 0 20px;
}
.hero-desc { max-width: 560px; color: var(--text-muted); font-size: 16px; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 14px; margin: 32px 0 26px; }
.hero-tags { display: flex; flex-wrap: wrap; gap: 10px 22px; font-size: 14px; color: var(--text-muted); }
.hero-tags li { display: flex; align-items: center; gap: 8px; }
.dot { width: 8px; height: 8px; border-radius: 50%; display: inline-block; }
.dot-cyan { background: var(--cyan); box-shadow: 0 0 10px var(--cyan); }
.dot-blue { background: var(--blue); box-shadow: 0 0 10px var(--blue); }
.dot-amber { background: var(--amber); box-shadow: 0 0 10px var(--amber); }
.dot-green { background: var(--green); box-shadow: 0 0 10px var(--green); }

/* 手机模型 */
.hero-phone { position: relative; justify-self: center; }
.phone {
  position: relative;
  width: min(300px, 68vw);
  aspect-ratio: 9 / 19.2;
  border-radius: 40px;
  padding: 10px;
  background: linear-gradient(160deg, #1b2637, #0b1220);
  border: 1px solid rgba(148, 180, 220, 0.25);
  box-shadow: var(--shadow-lg), inset 0 0 0 2px rgba(0, 0, 0, 0.6);
  overflow: hidden;
}
.phone-notch {
  position: absolute;
  top: 18px;
  left: 50%;
  transform: translateX(-50%);
  width: 34%;
  height: 22px;
  border-radius: 12px;
  background: #05080f;
  z-index: 3;
}
.phone-screen {
  width: 100%;
  height: 100%;
  object-fit: cover;
  border-radius: 30px;
  background: #0b1220;
}
.hero-phone .phone { animation: floaty 6s ease-in-out infinite; }
@keyframes floaty { 0%, 100% { transform: translateY(0) rotate(-1deg); } 50% { transform: translateY(-14px) rotate(1deg); } }
.phone-shadow {
  position: absolute;
  left: 10%; right: 10%; bottom: -34px;
  height: 26px;
  border-radius: 50%;
  background: radial-gradient(ellipse at center, rgba(2, 8, 20, 0.8), transparent 70%);
  filter: blur(6px);
}
.live-badge {
  position: absolute;
  top: 56px;
  left: 22px;
  z-index: 4;
  display: flex;
  align-items: center;
  gap: 7px;
  font-size: 12px;
  font-weight: 600;
  color: #fff;
  background: rgba(5, 10, 18, 0.65);
  border: 1px solid rgba(255, 255, 255, 0.18);
  padding: 6px 12px;
  border-radius: 999px;
  backdrop-filter: blur(6px);
}
.live-dot { width: 8px; height: 8px; border-radius: 50%; background: #ff4d4f; animation: blink 1.2s ease-in-out infinite; }
@keyframes blink { 0%, 100% { opacity: 1; } 50% { opacity: .25; } }

.scroll-hint {
  position: absolute;
  left: 50%;
  bottom: 22px;
  transform: translateX(-50%);
  z-index: 2;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  font-size: 12px;
  letter-spacing: 3px;
  color: var(--text-muted);
}
.scroll-mouse {
  width: 24px; height: 38px;
  border: 2px solid rgba(148, 180, 220, 0.5);
  border-radius: 14px;
  display: flex;
  justify-content: center;
  padding-top: 6px;
}
.scroll-wheel { width: 3px; height: 8px; border-radius: 3px; background: var(--cyan); animation: wheel 1.6s ease-in-out infinite; }
@keyframes wheel { 0% { transform: translateY(0); opacity: 1; } 70% { transform: translateY(12px); opacity: 0; } 100% { opacity: 0; } }

/* ============ 通用区块 ============ */
.section { padding: 110px 0; position: relative; }
.section-alt { background: linear-gradient(180deg, var(--bg-2), var(--bg)); border-block: 1px solid var(--line); }
.section-head { text-align: center; max-width: 680px; margin: 0 auto 64px; }
.eyebrow {
  font-size: 13px;
  letter-spacing: 4px;
  color: var(--cyan);
  font-weight: 700;
  margin-bottom: 12px;
}
.section-head h2 { font-size: clamp(30px, 4vw, 42px); font-weight: 800; letter-spacing: 2px; }
.section-sub { color: var(--text-muted); margin-top: 14px; font-size: 16px; }

/* ============ 核心功能 ============ */
.feature-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: center;
  padding: 48px 0;
}
.feature-row + .feature-row { border-top: 1px solid var(--line); }
.feature-reverse .feature-media { order: 2; }
.feature-reverse .feature-text { order: 1; }

.feature-media { position: relative; display: flex; justify-content: center; }
.phone-sm { width: min(260px, 60vw); }
.feature-num {
  position: absolute;
  top: -30px;
  right: 6%;
  font-size: 110px;
  font-weight: 800;
  line-height: 1;
  color: transparent;
  -webkit-text-stroke: 1.5px rgba(46, 124, 246, 0.35);
  pointer-events: none;
  user-select: none;
}
.feature-text h3 { font-size: clamp(22px, 2.6vw, 30px); font-weight: 700; margin: 18px 0 14px; letter-spacing: 1px; }
.feature-text > p { color: var(--text-muted); font-size: 16px; }
.feature-points { margin-top: 20px; display: grid; gap: 10px; }
.feature-points li {
  position: relative;
  padding-left: 26px;
  font-size: 15px;
  color: #c3d4ea;
}
.feature-points li::before {
  content: "";
  position: absolute;
  left: 0; top: 8px;
  width: 14px; height: 14px;
  border-radius: 50%;
  background: rgba(34, 211, 238, 0.15);
  border: 1.5px solid var(--cyan);
}
.feature-points li::after {
  content: "";
  position: absolute;
  left: 4.5px; top: 12.5px;
  width: 5px; height: 5px;
  border-radius: 50%;
  background: var(--cyan);
}

.feature-icon {
  width: 56px; height: 56px;
  border-radius: 14px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex: none;
}
.feature-icon svg { width: 30px; height: 30px; }
.fi-cyan { color: var(--cyan); background: rgba(34, 211, 238, 0.1); border: 1px solid rgba(34, 211, 238, 0.3); }
.fi-blue { color: #6ea8ff; background: rgba(46, 124, 246, 0.12); border: 1px solid rgba(46, 124, 246, 0.35); }
.fi-amber { color: var(--amber); background: rgba(251, 191, 36, 0.1); border: 1px solid rgba(251, 191, 36, 0.3); }
.fi-green { color: var(--green); background: rgba(52, 211, 153, 0.1); border: 1px solid rgba(52, 211, 153, 0.3); }
.fi-violet { color: var(--violet); background: rgba(167, 139, 250, 0.1); border: 1px solid rgba(167, 139, 250, 0.3); }

/* ============ 实拍演示 ============ */
.demo-grid {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: 36px;
  align-items: start;
}
.demo-video {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 14px;
  box-shadow: var(--shadow-lg);
}
.demo-video video {
  width: 100%;
  aspect-ratio: 9 / 16;
  max-height: 640px;
  object-fit: contain;
  background: #000;
  border-radius: var(--radius-sm);
}
.demo-caption { text-align: center; color: var(--text-muted); font-size: 14px; padding-top: 12px; }
.demo-shots {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 20px;
}
.shot-card {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
  transition: transform .25s ease, border-color .25s ease, box-shadow .25s ease;
}
.shot-card:hover {
  transform: translateY(-6px);
  border-color: rgba(46, 124, 246, 0.45);
  box-shadow: 0 18px 40px rgba(2, 8, 20, 0.5);
}
.shot-card img { width: 100%; aspect-ratio: 9 / 14; object-fit: cover; object-position: top; }
.shot-card figcaption {
  padding: 12px 14px;
  font-size: 13.5px;
  color: var(--text-muted);
  border-top: 1px solid var(--line);
}

/* ============ 更多功能 ============ */
.more-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}
.more-card {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 26px 22px;
  transition: transform .25s ease, border-color .25s ease, background .25s ease;
}
.more-card:hover {
  transform: translateY(-6px);
  border-color: rgba(34, 211, 238, 0.4);
  background: var(--surface-2);
}
.more-card .feature-icon { width: 48px; height: 48px; border-radius: 12px; }
.more-card .feature-icon svg { width: 25px; height: 25px; }
.more-card h4 { font-size: 17px; margin: 16px 0 8px; letter-spacing: .5px; }
.more-card p { font-size: 14px; color: var(--text-muted); line-height: 1.65; }

/* ============ 适用场景 ============ */
.scene-grid {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 18px;
}
.scene-card {
  position: relative;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 30px 20px 26px;
  text-align: center;
  overflow: hidden;
  transition: transform .25s ease, border-color .25s ease;
}
.scene-card::before {
  content: "";
  position: absolute;
  inset: 0 0 auto 0;
  height: 3px;
  background: var(--accent, var(--cyan));
  opacity: .85;
}
.scene-card:hover { transform: translateY(-6px); border-color: var(--accent, var(--cyan)); }
.scene-icon {
  width: 62px; height: 62px;
  margin: 0 auto 16px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--accent, var(--cyan));
  background: color-mix(in srgb, var(--accent, var(--cyan)) 10%, transparent);
  border: 1px solid color-mix(in srgb, var(--accent, var(--cyan)) 35%, transparent);
}
.scene-icon svg { width: 32px; height: 32px; }
.scene-card h4 { font-size: 16.5px; margin-bottom: 8px; }
.scene-card p { font-size: 13.5px; color: var(--text-muted); line-height: 1.6; }

/* ============ 软件优势 ============ */
.adv-list { max-width: 760px; margin: 0 auto; display: grid; gap: 14px; }
.adv-item {
  display: flex;
  align-items: flex-start;
  gap: 22px;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 22px 26px;
  transition: transform .25s ease, border-color .25s ease;
}
.adv-item:hover { transform: translateX(8px); border-color: rgba(46, 124, 246, 0.45); }
.adv-num {
  font-size: 30px;
  font-weight: 800;
  line-height: 1.2;
  color: transparent;
  -webkit-text-stroke: 1.2px var(--blue);
  flex: none;
}
.adv-item h4 { font-size: 17.5px; margin-bottom: 4px; }
.adv-item p { font-size: 14.5px; color: var(--text-muted); }

/* ============ CTA / 联系我们 ============ */
.cta {
  padding: 100px 0;
  background:
    radial-gradient(800px 300px at 50% 0%, rgba(46, 124, 246, 0.18), transparent 65%),
    linear-gradient(180deg, var(--bg), #0a1526);
  border-top: 1px solid var(--line);
}
.cta-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 40px;
  flex-wrap: wrap;
}
.cta-text h2 { font-size: clamp(26px, 3.4vw, 36px); font-weight: 800; letter-spacing: 1px; }
.cta-text p { color: var(--text-muted); margin-top: 12px; max-width: 520px; }
.qr-grid { display: flex; gap: 18px; flex-wrap: wrap; }
.qr-card {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 16px 16px 12px;
  text-align: center;
  transition: transform .25s ease, border-color .25s ease;
}
.qr-card:hover { transform: translateY(-4px); border-color: rgba(34, 211, 238, 0.45); }
.qr-card img { width: 148px; height: 148px; border-radius: var(--radius-sm); background: #fff; padding: 6px; }
.qr-card figcaption {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  margin-top: 10px;
  font-size: 14px;
  font-weight: 600;
  color: #c3d4ea;
}
.qr-card figcaption .icon { color: var(--cyan); }
.contact-list { margin-top: 22px; display: grid; gap: 10px; }
.contact-list li { display: flex; align-items: center; gap: 10px; font-size: 15px; color: #c3d4ea; }
.contact-list .icon { color: var(--cyan); width: 1.25em; height: 1.25em; }
.contact-list a { color: var(--cyan); border-bottom: 1px dashed rgba(34, 211, 238, 0.45); transition: color .2s; }
.contact-list a:hover { color: #7fe7f5; }

/* ============ 页脚 ============ */
.footer { border-top: 1px solid var(--line); background: #05090f; }
.footer-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  flex-wrap: wrap;
  padding: 40px 0 24px;
}
.footer-brand { display: flex; align-items: center; gap: 14px; }
.footer-logo {
  width: 52px; height: 52px;
  border-radius: 50%;
  box-shadow: 0 0 0 1px rgba(148, 180, 220, 0.25), 0 4px 18px rgba(29, 95, 214, 0.4);
}
.footer-brand p { color: var(--text-muted); font-size: 13.5px; margin-top: 4px; letter-spacing: 2px; }
.footer-links { display: flex; flex-wrap: wrap; gap: 6px 20px; }
.footer-links a { font-size: 14px; color: var(--text-muted); transition: color .2s; }
.footer-links a:hover { color: var(--text); }
.footer-copy {
  font-size: 13px;
  color: #5c6f88;
  padding: 18px 0 26px;
  border-top: 1px solid rgba(148, 180, 220, 0.08);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 4px;
  text-align: center;
}
.footer-copy a { color: #5c6f88; transition: color .2s; }
.footer-copy a:hover { color: #93a6bf; }

/* ============ 滚动显现动画 ============ */
.reveal { opacity: 0; transform: translateY(34px); transition: opacity .7s ease, transform .7s ease; }
.reveal.visible { opacity: 1; transform: none; }

/* ============ 响应式 ============ */
@media (max-width: 1024px) {
  .more-grid { grid-template-columns: repeat(2, 1fr); }
  .scene-grid { grid-template-columns: repeat(3, 1fr); }
  .demo-grid { grid-template-columns: 1fr; }
  .demo-video video { max-height: 520px; }
}

@media (max-width: 860px) {
  .nav-links, .btn-nav { display: none; }
  .nav-toggle { display: flex; margin-left: auto; }
  .nav-links.open {
    display: flex;
    position: absolute;
    top: var(--nav-h);
    left: 0; right: 0;
    flex-direction: column;
    gap: 4px;
    padding: 14px 4%;
    background: rgba(6, 11, 20, 0.96);
    backdrop-filter: blur(14px);
    border-bottom: 1px solid var(--line);
  }
  .nav-links.open a { padding: 12px 16px; }
  .hero-inner { grid-template-columns: 1fr; gap: 60px; text-align: center; }
  .hero-brand { justify-content: center; gap: 16px; }
  .hero-logo-wrap { width: 76px; height: 76px; }
  .hero-logo { width: 70px; height: 70px; }
  .hero-desc { margin: 0 auto; }
  .hero-actions, .hero-tags { justify-content: center; }
  .hero { padding-bottom: 120px; }
  .feature-row { grid-template-columns: 1fr; gap: 40px; padding: 40px 0; }
  .feature-reverse .feature-media { order: 0; }
  .feature-reverse .feature-text { order: 1; }
  .feature-num { right: 0; font-size: 84px; }
  .section { padding: 80px 0; }
  .cta-inner { flex-direction: column; text-align: center; justify-content: center; }
  .cta-text p { margin-inline: auto; }
  .qr-grid { justify-content: center; }
  .contact-list { justify-items: center; }
}

@media (max-width: 560px) {
  .more-grid, .scene-grid { grid-template-columns: 1fr; }
  .demo-shots { grid-template-columns: 1fr 1fr; gap: 12px; }
  .adv-item { padding: 18px; gap: 16px; }
  .hero-slogan { letter-spacing: 3px; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation: none !important; transition: none !important; }
  .reveal { opacity: 1; transform: none; }
  html { scroll-behavior: auto; }
}