/* NexaChat — standalone landing page */
:root {
  color-scheme: dark;
  --bg: #07091a;
  --bg-deep: #050716;
  --panel: #0d1229;
  --text: #f7f7ff;
  --muted: #a6aecb;
  --purple: #a78bfa;
  --blue: #55d4ff;
  --line: rgba(167, 139, 250, .19);
  --font-head: "Manrope", sans-serif;
  --font-body: "DM Sans", sans-serif;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 90px; }
body { margin: 0; background: var(--bg); color: var(--text); font-family: var(--font-body); overflow-x: hidden; }
body::before { content: ""; position: fixed; inset: 0; pointer-events: none; z-index: -2; background: radial-gradient(ellipse at 12% 12%, rgba(83, 62, 173, .12), transparent 30%), radial-gradient(ellipse at 92% 42%, rgba(32, 112, 185, .09), transparent 32%), #07091a; }
a { color: inherit; text-decoration: none; }
button { font: inherit; }
.ambient { position: fixed; width: 420px; height: 420px; border-radius: 50%; filter: blur(100px); opacity: .12; pointer-events: none; z-index: -1; }
.ambient-one { top: 16%; left: -280px; background: #7847ff; }
.ambient-two { top: 60%; right: -300px; background: #19baff; }
.site-header { position: sticky; top: 0; z-index: 50; background: rgba(7, 9, 26, .76); border-bottom: 1px solid rgba(164, 153, 255, .11); backdrop-filter: blur(22px); }
.nav-shell { width: min(1220px, 90%); min-height: 82px; margin: auto; display: flex; align-items: center; justify-content: space-between; gap: 32px; }
.brand { display: inline-flex; align-items: center; gap: 10px; font-family: var(--font-head); font-size: 24px; font-weight: 800; letter-spacing: -1.2px; white-space: nowrap; }
.brand-symbol { display: grid; place-items: center; width: 37px; height: 37px; color: #c4b5fd; font-size: 31px; text-shadow: 0 0 18px rgba(167,139,250,.8); }
.brand-symbol svg { width: 100%; }
.brand-accent { background: linear-gradient(100deg, #c4a5ff, #62d9ff); -webkit-background-clip: text; background-clip: text; color: transparent; }
.main-nav { display: flex; align-items: center; gap: 31px; }
.nav-link { color: #aeb7d5; font-size: 13px; font-weight: 600; transition: color .2s; }
.nav-link:hover, .nav-link.active { color: white; }
.button { display: inline-flex; align-items: center; justify-content: center; gap: 12px; min-height: 47px; padding: 0 22px; border-radius: 999px; border: 1px solid rgba(255,255,255,.26); font-size: 13px; font-weight: 700; color: white; transition: transform .22s ease, box-shadow .22s ease, filter .22s ease; cursor: pointer; }
.button:hover { transform: translateY(-3px); filter: brightness(1.08); box-shadow: 0 12px 36px rgba(105, 79, 255, .32); }
.button-nav { min-height: 42px; padding: 0 19px; background: linear-gradient(110deg, #854cff, #437eff 65%, #36c8f5); box-shadow: 0 0 24px rgba(111, 80, 255, .18); font-size: 12px; }
.button-primary { background: linear-gradient(105deg, #8b4cff 0%, #626cff 54%, #2ecdf4 100%); box-shadow: 0 0 30px rgba(113, 83, 255, .28), inset 0 1px 0 rgba(255,255,255,.22); }
.button-large { min-height: 58px; padding: 0 29px; font-size: 14px; }
.arrow { font-size: 20px; line-height: 1; transition: transform .2s; }
.button:hover .arrow { transform: translateX(3px); }
.menu-toggle { display: none; }

/* HERO */
.hero { position: relative; min-height: 720px; display: grid; place-items: center; isolation: isolate; overflow: hidden; background: radial-gradient(ellipse at 50% 65%, rgba(77, 57, 171, .22), transparent 48%), linear-gradient(180deg, #080b22 0%, #080c24 68%, #07091a 100%); }
.hero-stars, .cta-stars { position: absolute; inset: 0; z-index: -2; opacity: .8; background-image: radial-gradient(1.5px 1.5px at 11% 17%, #fff 50%, transparent 100%), radial-gradient(1px 1px at 21% 39%, #9e9bff 50%, transparent 100%), radial-gradient(1.5px 1.5px at 79% 21%, #dbeafe 50%, transparent 100%), radial-gradient(1px 1px at 88% 56%, #6ee7ff 50%, transparent 100%), radial-gradient(1.5px 1.5px at 64% 44%, #fff 50%, transparent 100%), radial-gradient(1px 1px at 35% 18%, #b9a7ff 50%, transparent 100%), radial-gradient(1px 1px at 49% 70%, #fff 50%, transparent 100%), radial-gradient(1.5px 1.5px at 93% 33%, #bda3ff 50%, transparent 100%); background-size: 330px 260px; animation: starDrift 70s linear infinite; }
.hero-orbit { position: absolute; z-index: -1; border: 1px solid rgba(123, 140, 255, .11); border-radius: 50%; transform: rotate(-27deg); }
.orbit-a { width: 900px; height: 340px; right: -150px; top: 60px; }
.orbit-b { width: 1100px; height: 440px; left: -320px; bottom: -155px; border-color: rgba(71, 199, 255, .09); }
.hero-planet { position: absolute; z-index: -1; right: max(-150px, calc((100vw - 1350px) / 2)); top: 85px; width: clamp(300px, 42vw, 590px); aspect-ratio: 1; border-radius: 50%; opacity: .5; background: radial-gradient(circle at 31% 27%, rgba(74, 91, 190, .9), rgba(28, 39, 102, .92) 30%, rgba(12, 19, 57, .95) 61%, #07091a 72%); box-shadow: inset -45px -10px 95px #040615, inset 16px 15px 40px rgba(126, 154, 255, .17), 0 0 100px rgba(50, 91, 211, .13); border: 1px solid rgba(151, 172, 255, .32); }
.hero-planet::before { content: ""; position: absolute; inset: -5px; border-radius: inherit; border-top: 2px solid rgba(118, 213, 255, .55); transform: rotate(-24deg); filter: drop-shadow(0 0 12px #388bff); }
.hero-planet span { position: absolute; width: 7px; height: 7px; left: 20%; top: 24%; border-radius: 50%; background: #fff; box-shadow: 0 0 20px 7px rgba(117, 175, 255, .5); }
.hero-grid-glow { position: absolute; z-index: -1; bottom: -190px; left: -10%; width: 120%; height: 330px; transform: perspective(300px) rotateX(58deg); transform-origin: top; opacity: .13; background-image: linear-gradient(rgba(125, 118, 255, .5) 1px, transparent 1px), linear-gradient(90deg, rgba(125, 118, 255, .5) 1px, transparent 1px); background-size: 58px 58px; mask-image: linear-gradient(transparent, #000 20%, transparent 90%); }
.hero-content { width: min(760px, 90%); padding: 83px 0 95px; text-align: center; position: relative; z-index: 2; animation: heroEnter .9s both; }
.eyebrow-pill { display: inline-flex; align-items: center; gap: 9px; padding: 9px 14px; border: 1px solid rgba(167, 139, 250, .24); border-radius: 999px; background: rgba(23, 23, 61, .5); color: #c7c6ff; font-size: 10px; font-weight: 700; letter-spacing: 1.7px; }
.live-dot { width: 6px; height: 6px; border-radius: 50%; background: #76f0d0; box-shadow: 0 0 12px #76f0d0; }
.hero-mark { width: 92px; height: 78px; margin: 22px auto 11px; filter: drop-shadow(0 0 19px rgba(134, 107, 255, .42)); }
.hero-mark svg { width: 100%; height: 100%; overflow: visible; }
.hero h1 { margin: 0; font-family: var(--font-head); font-size: clamp(54px, 8.6vw, 94px); line-height: 1.02; letter-spacing: -5.8px; font-weight: 800; }
.gradient-text { color: transparent; background: linear-gradient(100deg, #c5a5ff 0%, #8b9bff 48%, #65dcff 100%); -webkit-background-clip: text; background-clip: text; }
.hero-subtitle { margin: 21px 0 10px; font-family: var(--font-head); font-size: clamp(17px, 2vw, 22px); font-weight: 600; color: #e3e7ff; letter-spacing: -.3px; }
.hero-copy { max-width: 545px; margin: 0 auto; color: #aeb9dc; font-size: 14px; line-height: 1.9; }
.hero-actions { display: flex; align-items: center; justify-content: center; gap: 27px; margin-top: 30px; flex-wrap: wrap; }
.text-link { color: #c3c9e8; font-size: 12px; font-weight: 600; }
.text-link span { margin-left: 6px; color: #9f91ff; }
.hero-footnote { display: flex; justify-content: center; align-items: center; gap: 12px; margin-top: 42px; color: #8e9ac4; font-size: 9px; letter-spacing: 2px; font-weight: 700; }
.hero-footnote i { width: 3px; height: 3px; border-radius: 50%; background: #9e87ff; }
.sparkle { color: #b4a0ff; font-size: 14px; }
.hero-bottom-fade { position: absolute; bottom: 0; height: 120px; left: 0; right: 0; background: linear-gradient(transparent, #07091a); z-index: 1; }

/* SHARED SECTIONS */
.section-pad { padding: 110px max(5%, calc((100vw - 1220px) / 2)); }
.section-kicker { color: #a99aff; font-size: 10px; font-weight: 800; letter-spacing: 2.7px; }
.intro-section { position: relative; overflow: hidden; text-align: center; padding-top: 45px; padding-bottom: 100px; background: linear-gradient(180deg, #07091a, #090c21); }
.intro-section h2, .section-heading h2, .showcase-copy h2, .cta-content h2 { font-family: var(--font-head); font-size: clamp(31px, 4.5vw, 48px); letter-spacing: -2px; line-height: 1.18; margin: 16px 0; }
.intro-section p, .section-heading p { max-width: 630px; margin: 0 auto; color: var(--muted); font-size: 14px; line-height: 1.9; }
.intro-orb { width: 170px; height: 65px; margin: 34px auto 0; border: 1px solid rgba(145, 128, 255, .25); border-radius: 50%; transform: rotate(-14deg); box-shadow: 0 0 42px rgba(116, 86, 255, .08), inset 0 0 30px rgba(95, 112, 255, .08); display: grid; place-items: center; color: #c4b5fd; font-size: 26px; }
.features-section { background: radial-gradient(ellipse at 50% 10%, rgba(75, 60, 161, .11), transparent 65%), #080b1d; }
.section-heading { text-align: center; max-width: 710px; margin: 0 auto 52px; }
.section-heading p { max-width: 600px; }
.feature-grid { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 18px; }
.feature-card { position: relative; min-height: 280px; overflow: hidden; padding: 28px 24px 30px; border-radius: 20px; border: 1px solid rgba(150, 143, 255, .16); background: linear-gradient(150deg, rgba(20, 25, 57, .88), rgba(10, 14, 35, .88)); transition: transform .28s, border-color .28s, background .28s; }
.feature-card:hover { transform: translateY(-7px); border-color: rgba(168, 139, 250, .48); background: linear-gradient(150deg, rgba(30, 34, 78, .92), rgba(11, 17, 42, .94)); }
.feature-icon { width: 53px; height: 53px; display: grid; place-items: center; margin-bottom: 28px; border: 1px solid rgba(180, 150, 255, .4); border-radius: 16px; color: #c4b5fd; background: linear-gradient(145deg, rgba(139, 92, 246, .23), rgba(59, 130, 246, .07)); box-shadow: 0 0 24px rgba(139, 92, 246, .09); }
.feature-icon svg { width: 25px; height: 25px; }
.card-blue .feature-icon { color: #7dd3fc; border-color: rgba(56, 189, 248, .35); background: rgba(14, 165, 233, .1); }
.card-pink .feature-icon { color: #f0abfc; border-color: rgba(232, 121, 249, .35); background: rgba(192, 38, 211, .09); }
.card-cyan .feature-icon { color: #67e8f9; border-color: rgba(34, 211, 238, .35); background: rgba(6, 182, 212, .09); }
.card-index { display: block; margin-bottom: 12px; color: #7f8bb5; font-size: 9px; letter-spacing: 1.7px; font-weight: 700; }
.feature-card h3 { margin: 0 0 12px; font-family: var(--font-head); font-size: 18px; letter-spacing: -.5px; }
.feature-card p { position: relative; z-index: 1; margin: 0; color: #a7b1d1; font-size: 12px; line-height: 1.85; }
.card-orb { position: absolute; right: -44px; bottom: -58px; width: 135px; height: 135px; border-radius: 50%; background: radial-gradient(circle, rgba(132, 91, 255, .12), transparent 68%); pointer-events: none; }
.card-blue .card-orb { background: radial-gradient(circle, rgba(56, 189, 248, .12), transparent 68%); }
.card-pink .card-orb { background: radial-gradient(circle, rgba(232, 121, 249, .12), transparent 68%); }
.card-cyan .card-orb { background: radial-gradient(circle, rgba(34, 211, 238, .12), transparent 68%); }

/* SHOWCASE */
.showcase-section { background: #07091a; padding-top: 80px; padding-bottom: 125px; }
.showcase-layout { width: min(1220px, 100%); margin: auto; display: grid; grid-template-columns: minmax(0, 1.2fr) minmax(310px, .8fr); align-items: center; gap: clamp(45px, 7vw, 90px); }
.showcase-visual { position: relative; min-width: 0; }
.mockup-window { position: relative; overflow: hidden; border: 1px solid rgba(139, 119, 255, .5); border-radius: 18px; background: rgba(8, 13, 34, .96); box-shadow: 0 0 70px rgba(95, 68, 255, .13), 0 30px 90px rgba(0,0,0,.2); transform: perspective(1200px) rotateY(2deg); }
.mockup-topbar { height: 56px; display: flex; justify-content: space-between; align-items: center; padding: 0 19px; border-bottom: 1px solid rgba(140, 137, 255, .14); background: rgba(17, 23, 54, .75); }
.mockup-brand { display: flex; align-items: center; gap: 7px; font-family: var(--font-head); font-size: 13px; font-weight: 800; }
.mini-mark { color: #b6a2ff; font-size: 22px; }
.window-dots { display: flex; gap: 5px; }
.window-dots b { display: block; width: 5px; height: 5px; border-radius: 50%; background: #464e79; }
.mockup-body { display: grid; grid-template-columns: 155px minmax(0, 1fr); min-height: 360px; }
.mock-sidebar { padding: 18px 12px; border-right: 1px solid rgba(140,137,255,.13); background: rgba(10, 15, 39, .75); }
.sidebar-label { margin: 2px 0 13px 6px; color: #7582ac; font-size: 8px; font-weight: 800; letter-spacing: 1.5px; }
.side-item { display: flex; align-items: center; gap: 9px; padding: 10px 9px; border-radius: 8px; color: #aab5d8; font-size: 10px; margin: 3px 0; }
.side-item span { color: #a59aff; font-size: 14px; }
.side-item.selected { color: white; background: linear-gradient(90deg, rgba(123, 84, 255, .34), rgba(80, 92, 255, .12)); }
.side-item em { margin-left: auto; font-style: normal; border-radius: 20px; background: #7756f5; color: white; padding: 2px 5px; font-size: 8px; }
.online-label { margin-top: 27px; }
.side-person { display: flex; align-items: center; gap: 7px; margin: 13px 0; color: #d8def5; font-size: 9px; }
.side-person span { min-width: 0; }
.side-person small { display: block; color: #6edab5; font-size: 8px; margin-top: 4px; }
.side-person b { width: 5px; height: 5px; border-radius: 50%; background: #64dfb0; margin-left: auto; }
.person-avatar { display: grid; place-items: center; width: 28px; height: 28px; flex: 0 0 28px; border-radius: 10px; color: white; font-size: 10px; font-style: normal; font-weight: 800; box-shadow: inset 0 1px 0 rgba(255,255,255,.2); }
.purple-avatar { background: linear-gradient(140deg, #a855f7, #4f46e5); }
.blue-avatar { background: linear-gradient(140deg, #38bdf8, #4f46e5); }
.pink-avatar { background: linear-gradient(140deg, #f472b6, #8b5cf6); }
.mock-chat { min-width: 0; display: flex; flex-direction: column; }
.chat-title { display: flex; align-items: center; justify-content: space-between; padding: 17px 18px; border-bottom: 1px solid rgba(140,137,255,.12); }
.chat-title div { display: grid; grid-template-columns: 14px 1fr; align-items: center; }
.chat-hash { grid-row: span 2; color: #a78bfa; font-size: 20px; }
.chat-title strong { font-size: 11px; }
.chat-title small { margin-top: 4px; color: #7582ac; font-size: 8px; }
.chat-menu { color: #8f9ac0; font-size: 14px; letter-spacing: 2px; }
.chat-messages { flex: 1; padding: 22px 17px 12px; }
.mock-message { display: flex; align-items: flex-start; gap: 10px; margin-bottom: 23px; }
.mock-message strong { display: block; color: #e7eaff; font-size: 10px; }
.mock-message time { margin-left: 7px; color: #7180a8; font-size: 8px; font-weight: 400; }
.mock-message p { margin: 7px 0 0; color: #b6c0e0; font-size: 10px; line-height: 1.7; }
.music-chip { display: inline-block; margin-top: 8px; padding: 6px 8px; border: 1px solid rgba(167,139,250,.19); border-radius: 7px; background: rgba(139,92,246,.1); color: #c9b8ff; font-size: 8px; }
.typing { display: flex; align-items: center; gap: 4px; color: #7e8ab0; font-size: 8px; }
.typing span { width: 3px; height: 3px; border-radius: 50%; background: #a78bfa; animation: typing 1s infinite alternate; }
.typing span:nth-child(2) { animation-delay: .2s; }.typing span:nth-child(3) { animation-delay: .4s; margin-right: 4px; }
.mock-input { display: flex; justify-content: space-between; align-items: center; margin: 0 14px 15px; padding: 10px 12px; border: 1px solid rgba(137, 127, 255, .18); border-radius: 9px; color: #69779f; background: rgba(18, 25, 59, .8); font-size: 9px; }
.mock-input b { display: grid; place-items: center; width: 22px; height: 22px; border-radius: 7px; color: white; background: linear-gradient(135deg, #9a5cff, #5b7aff); font-size: 10px; }
.floating-note { position: absolute; display: flex; align-items: center; gap: 10px; padding: 12px 15px; border: 1px solid rgba(167,139,250,.22); border-radius: 13px; background: rgba(13, 18, 45, .88); box-shadow: 0 14px 35px rgba(0,0,0,.2); backdrop-filter: blur(15px); }
.note-top { top: -23px; right: -18px; }
.note-bottom { bottom: -22px; left: -20px; }
.note-star, .note-heart { display: grid; place-items: center; width: 34px; height: 34px; border-radius: 10px; color: #d8b4fe; background: rgba(139,92,246,.16); font-size: 19px; }
.note-heart { color: #7dd3fc; background: rgba(14,165,233,.13); }
.floating-note strong { display: block; font-size: 10px; }
.floating-note small { display: block; margin-top: 4px; color: #8793b8; font-size: 8px; }
.showcase-copy h2 { margin-top: 18px; font-size: clamp(32px, 4vw, 46px); }
.showcase-copy > p { color: #a8b2d1; font-size: 13px; line-height: 1.95; }
.showcase-points { margin: 28px 0 30px; display: grid; gap: 17px; }
.showcase-points > div { display: flex; gap: 12px; align-items: flex-start; }
.point-check { display: grid; place-items: center; flex: 0 0 22px; width: 22px; height: 22px; border-radius: 50%; color: white; background: linear-gradient(135deg, #9d5cff, #596dff); font-size: 11px; box-shadow: 0 0 15px rgba(130, 86, 255, .18); }
.showcase-points strong { display: block; font-size: 12px; }
.showcase-points small { display: block; color: #8e9abd; font-size: 11px; margin-top: 5px; }
.small-note { margin-top: 14px; font-size: 10px !important; color: #6e7a9f !important; }

/* FINAL CTA + FOOTER */
.final-cta { position: relative; overflow: hidden; padding: 90px 5%; text-align: center; border-top: 1px solid rgba(137, 122, 255, .15); border-bottom: 1px solid rgba(137, 122, 255, .15); background: radial-gradient(ellipse at 50% 120%, rgba(102, 67, 220, .35), transparent 55%), linear-gradient(135deg, #0a102c, #0b0c24 55%, #09152c); }
.final-cta::before { content: ""; position: absolute; width: 650px; height: 250px; left: 50%; bottom: -180px; transform: translateX(-50%); border: 1px solid rgba(93, 175, 255, .2); border-radius: 50%; box-shadow: 0 0 70px rgba(101, 81, 255, .15); }
.cta-content { position: relative; z-index: 2; max-width: 750px; margin: auto; }
.cta-content h2 { margin: 17px 0; }
.cta-content p { max-width: 550px; margin: 0 auto 28px; color: #a9b5d5; font-size: 13px; line-height: 1.9; }
.cta-swoosh { position: absolute; top: 24px; right: 13%; color: rgba(157, 135, 255, .2); font-size: 90px; transform: rotate(18deg); }
.site-footer { padding: 40px max(5%, calc((100vw - 1220px) / 2)) 22px; background: #050716; }
.footer-main { display: flex; align-items: center; justify-content: space-between; gap: 20px; padding-bottom: 30px; border-bottom: 1px solid rgba(145, 142, 207, .13); }
.footer-main p { color: #7f8bb1; font-size: 11px; }
.footer-links { display: flex; gap: 22px; }
.footer-links a { color: #a3adcc; font-size: 11px; transition: color .2s; }
.footer-links a:hover { color: white; }
.footer-bottom { display: flex; justify-content: space-between; gap: 20px; padding-top: 20px; color: #68759b; font-size: 10px; }
.footer-bottom b { color: #aa93ff; margin-left: 5px; }

@keyframes heroEnter { from { opacity: 0; transform: translateY(20px); } to { opacity: 1; transform: translateY(0); } }
@keyframes starDrift { from { background-position: 0 0; } to { background-position: 330px 260px; } }
@keyframes typing { from { opacity: .35; transform: translateY(0); } to { opacity: 1; transform: translateY(-2px); } }
@media (prefers-reduced-motion: reduce) { *, *::before, *::after { scroll-behavior: auto !important; animation-duration: .01ms !important; animation-iteration-count: 1 !important; transition-duration: .01ms !important; } }

@media (max-width: 1000px) {
  .main-nav { gap: 18px; }
  .feature-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .showcase-layout { grid-template-columns: minmax(0, 1fr); gap: 70px; }
  .showcase-visual { width: min(760px, 100%); margin: auto; }
  .showcase-copy { max-width: 700px; margin: auto; }
}
@media (max-width: 720px) {
  .nav-shell { min-height: 72px; }
  .brand { font-size: 21px; }
  .brand-symbol { width: 30px; height: 30px; }
  .menu-toggle { display: flex; flex-direction: column; justify-content: center; gap: 5px; width: 42px; height: 42px; align-items: center; border: 1px solid var(--line); border-radius: 12px; background: rgba(19, 22, 51, .8); color: white; cursor: pointer; }
  .menu-toggle span { display: block; width: 17px; height: 2px; border-radius: 2px; background: #e4e7ff; transition: transform .2s; }
  .menu-toggle[aria-expanded="true"] span:first-child { transform: translateY(3.5px) rotate(45deg); }
  .menu-toggle[aria-expanded="true"] span:last-child { transform: translateY(-3.5px) rotate(-45deg); }
  .main-nav { display: none; position: absolute; top: 71px; left: 0; right: 0; padding: 14px 5% 22px; flex-direction: column; align-items: stretch; gap: 0; background: rgba(7,9,26,.98); border-bottom: 1px solid var(--line); box-shadow: 0 22px 35px rgba(0,0,0,.24); }
  .main-nav.open { display: flex; }
  .nav-link { padding: 14px 5px; border-bottom: 1px solid rgba(167,139,250,.08); }
  .button-nav { margin-top: 15px; min-height: 47px; }
  .hero { min-height: 660px; }
  .hero-content { padding: 80px 0 70px; }
  .hero-planet { right: -150px; top: 150px; width: 390px; opacity: .32; }
  .hero h1 { font-size: clamp(54px, 13vw, 78px); letter-spacing: -3.8px; }
  .hero-mark { width: 76px; height: 66px; }
  .hero-copy { max-width: 460px; }
  .hero-footnote { gap: 7px; letter-spacing: 1px; font-size: 8px; flex-wrap: wrap; }
  .section-pad { padding: 78px 5%; }
  .intro-section { padding-top: 25px; padding-bottom: 75px; }
  .intro-section h2, .section-heading h2, .showcase-copy h2, .cta-content h2 { letter-spacing: -1.3px; }
  .feature-card { padding: 23px 19px; min-height: 265px; }
  .mockup-body { grid-template-columns: 120px minmax(0, 1fr); min-height: 335px; }
  .mock-sidebar { padding: 14px 8px; }
  .side-item { padding: 9px 6px; gap: 6px; font-size: 9px; }
  .side-person { gap: 5px; font-size: 8px; }
  .person-avatar { width: 24px; height: 24px; flex-basis: 24px; border-radius: 8px; }
  .mockup-topbar { height: 49px; }
  .chat-messages { padding: 17px 11px 10px; }
  .mock-message { gap: 7px; margin-bottom: 20px; }
  .mock-message p { font-size: 9px; }
  .floating-note { padding: 9px 11px; }
  .note-top { right: -6px; }
  .note-bottom { left: -5px; }
  .final-cta { padding: 76px 5%; }
  .footer-main { flex-wrap: wrap; }
  .footer-main p { width: 100%; order: 3; margin: 0; }
  .footer-links { flex-wrap: wrap; gap: 15px; }
  .footer-bottom { flex-direction: column; gap: 10px; }
}
@media (max-width: 450px) {
  .hero { min-height: 630px; }
  .hero-content { width: 91%; }
  .eyebrow-pill { font-size: 8px; letter-spacing: 1px; }
  .hero h1 { font-size: 54px; letter-spacing: -3px; }
  .hero-subtitle { font-size: 17px; }
  .hero-copy { font-size: 13px; }
  .hero-actions { flex-direction: column; gap: 19px; }
  .button-large { width: min(100%, 300px); }
  .hero-footnote { max-width: 290px; margin: 33px auto 0; line-height: 1.8; }
  .feature-grid { gap: 10px; }
  .feature-card { min-height: 260px; padding: 19px 15px; border-radius: 16px; }
  .feature-card h3 { font-size: 15px; }
  .feature-card p { font-size: 11px; }
  .feature-icon { width: 47px; height: 47px; margin-bottom: 22px; }
  .card-index { font-size: 8px; letter-spacing: 1px; }
  .mockup-body { grid-template-columns: 1fr; }
  .mock-sidebar { display: none; }
  .mockup-window { transform: none; }
  .floating-note { transform: scale(.88); transform-origin: right center; }
  .note-bottom { transform-origin: left center; }
  .showcase-layout { gap: 55px; }
  .footer-main { align-items: flex-start; }
  .footer-links { width: 100%; }
}