:root {
  --primary: #3f7d77;
  --dark: #2a5f5a;
  --accent: #d68a3f;
  --bg: #f2f6f4;
  --text: #16302c;
  --border: #dce6e2;
  --muted: #5c7a75;
  --white: #ffffff;
  --glass: rgba(255, 255, 255, 0.62);
  --shadow-sm: 0 1px 2px rgba(22, 48, 44, 0.05), 0 8px 24px rgba(22, 48, 44, 0.05);
  --shadow-md: 0 2px 6px rgba(22, 48, 44, 0.06), 0 24px 60px rgba(22, 48, 44, 0.09);
  --shadow-lg: 0 4px 12px rgba(22, 48, 44, 0.07), 0 48px 120px rgba(22, 48, 44, 0.14);
  --r-sm: 12px;
  --r-md: 20px;
  --r-lg: 28px;
  --r-xl: 40px;
  --ease: cubic-bezier(0.22, 1, 0.36, 1);
  --maxw: 1180px;
}

* { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
  background: var(--bg);
  color: var(--text);
  font-family: Inter, system-ui, -apple-system, sans-serif;
  font-size: 17px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}
img, svg { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }

h1, h2, h3, .brand-name, .stat b, .num {
  font-family: Fraunces, Georgia, serif;
  font-weight: 500;
  letter-spacing: -0.02em;
  line-height: 1.04;
}
h1 { font-size: clamp(2.7rem, 6.4vw, 5.4rem); }
h1 em { font-style: italic; color: var(--primary); }
h2 { font-size: clamp(2rem, 3.9vw, 3.4rem); line-height: 1.08; }
h3 { font-size: 1.15rem; letter-spacing: -0.01em; }
.huge { font-size: clamp(2.6rem, 7vw, 5.6rem); }
.center { text-align: center; }
.center-col { display: flex; flex-direction: column; align-items: center; gap: 22px; text-align: center; }

.container { width: 100%; max-width: var(--maxw); margin: 0 auto; padding: 0 24px; }
.container.narrow { max-width: 820px; }
.section { position: relative; padding: clamp(90px, 13vh, 160px) 0; }

.kicker {
  font-size: 0.76rem; font-weight: 600; letter-spacing: 0.18em;
  text-transform: uppercase; color: var(--primary); margin-bottom: 18px;
}
.body, .lede { color: var(--muted); font-size: 1.06rem; }
.lede { font-size: clamp(1.02rem, 1.4vw, 1.22rem); max-width: 34em; }
.lede.center { margin: 0 auto; }

/* progress + glow */
.scroll-progress {
  position: fixed; inset: 0 auto auto 0; height: 2px; width: 100%;
  transform: scaleX(0); transform-origin: 0 50%;
  background: linear-gradient(90deg, var(--primary), var(--accent));
  z-index: 100; will-change: transform;
}
.cursor-glow {
  position: fixed; top: 0; left: 0; width: 520px; height: 520px; margin: -260px 0 0 -260px;
  border-radius: 50%; pointer-events: none; z-index: 0; opacity: 0.5;
  background: radial-gradient(circle, rgba(63, 125, 119, 0.13), transparent 62%);
  will-change: transform;
}

/* nav */
.nav {
  position: fixed; top: 14px; left: 50%; transform: translate(-50%, 0);
  width: min(1180px, calc(100% - 28px)); z-index: 90;
  border-radius: 999px; border: 1px solid transparent;
  transition: background 0.4s var(--ease), border-color 0.4s var(--ease), box-shadow 0.4s var(--ease), transform 0.4s var(--ease);
}
.nav.stuck {
  background: rgba(255, 255, 255, 0.72); backdrop-filter: blur(18px) saturate(150%);
  border-color: var(--border); box-shadow: var(--shadow-sm);
}
.nav-inner { display: flex; align-items: center; justify-content: space-between; gap: 20px; padding: 12px 14px 12px 20px; }
.brand { display: inline-flex; align-items: center; gap: 10px; }
.brand-mark {
  width: 22px; height: 22px; border-radius: 8px;
  background: linear-gradient(140deg, var(--primary), var(--dark));
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.45);
}
.brand-name { font-size: 1.22rem; }
.nav-links { display: flex; gap: 26px; font-size: 0.92rem; color: var(--muted); }
.nav-links a { position: relative; transition: color 0.25s var(--ease); }
.nav-links a::after {
  content: ""; position: absolute; left: 0; bottom: -5px; height: 1px; width: 100%;
  background: var(--primary); transform: scaleX(0); transform-origin: 0 50%;
  transition: transform 0.35s var(--ease);
}
.nav-links a:hover { color: var(--text); }
.nav-links a:hover::after { transform: scaleX(1); }

.nav-actions { display: flex; align-items: center; gap: 18px; }
.nav-login {
  font-size: 0.88rem; color: var(--muted); white-space: nowrap;
  transition: color 0.25s var(--ease);
}
.nav-login:hover { color: var(--primary); }
.login-short { display: none; }
.nav-links a.active { color: var(--text); }
.nav-links a.active::after { transform: scaleX(1); }

/* section anchor offset for the fixed nav */
section[id], main[id] { scroll-margin-top: 92px; }

/* hamburger */
.nav-toggle {
  display: none; width: 42px; height: 42px; border-radius: 999px;
  border: 1px solid var(--border); background: rgba(255, 255, 255, 0.7);
  backdrop-filter: blur(12px);
  align-items: center; justify-content: center; flex-direction: column; gap: 5px;
  cursor: pointer; flex: 0 0 auto;
}
.nav-toggle span {
  display: block; width: 17px; height: 1.6px; border-radius: 2px; background: var(--text);
  transition: transform 0.3s var(--ease), opacity 0.2s var(--ease);
}
.nav-toggle.open span:nth-child(1) { transform: translateY(6.6px) rotate(45deg); }
.nav-toggle.open span:nth-child(2) { opacity: 0; }
.nav-toggle.open span:nth-child(3) { transform: translateY(-6.6px) rotate(-45deg); }

/* slide-out menu */
.menu-scrim {
  position: fixed; inset: 0; z-index: 95; background: rgba(19, 33, 32, 0.38);
  backdrop-filter: blur(3px); opacity: 0; transition: opacity 0.35s var(--ease);
}
.menu-scrim.show { opacity: 1; }
.mobile-menu {
  position: fixed; top: 0; right: 0; z-index: 100;
  width: min(340px, 86vw); height: 100dvh; padding: 22px 22px calc(22px + env(safe-area-inset-bottom));
  display: flex; flex-direction: column; gap: 18px;
  background: rgba(255, 255, 255, 0.92); backdrop-filter: blur(22px) saturate(160%);
  border-left: 1px solid var(--border); box-shadow: -24px 0 60px rgba(19, 33, 32, 0.14);
  transform: translateX(102%); transition: transform 0.45s var(--ease);
  overflow-y: auto; visibility: hidden;
}
.mobile-menu.open { transform: translateX(0); visibility: visible; }
.mm-head { display: flex; align-items: center; justify-content: space-between; }
.mm-title { font-size: 0.78rem; letter-spacing: 0.16em; text-transform: uppercase; color: var(--muted); }
.mm-close {
  position: relative; width: 36px; height: 36px; border-radius: 999px;
  border: 1px solid var(--border); background: transparent; cursor: pointer;
}
.mm-close::before, .mm-close::after {
  content: ""; position: absolute; inset: 50% auto auto 50%; width: 14px; height: 1.6px;
  background: var(--text); transform-origin: 50% 50%;
}
.mm-close::before { transform: translate(-50%, -50%) rotate(45deg); }
.mm-close::after { transform: translate(-50%, -50%) rotate(-45deg); }
.mm-links { display: flex; flex-direction: column; }
.mm-links a {
  display: flex; align-items: baseline; gap: 12px; padding: 13px 4px;
  font-family: var(--serif, inherit); font-size: 1.08rem; color: var(--text);
  border-bottom: 1px solid var(--border); transition: color 0.25s var(--ease), padding-left 0.25s var(--ease);
}
.mm-links a i { font-style: normal; font-size: 0.7rem; letter-spacing: 0.1em; color: var(--muted); }
.mm-links a:hover, .mm-links a.active { color: var(--primary); padding-left: 10px; }
.mm-links a.active i { color: var(--primary); }
.mm-foot { margin-top: auto; display: flex; flex-direction: column; gap: 14px; align-items: flex-start; }
.mm-foot .btn { width: 100%; justify-content: center; }

/* buttons */
.btn {
  position: relative; overflow: hidden; display: inline-flex; align-items: center; gap: 10px;
  padding: 14px 26px; border-radius: 999px; font-size: 0.97rem; font-weight: 500;
  border: 1px solid transparent; will-change: transform;
  transition: transform 0.35s var(--ease), box-shadow 0.35s var(--ease), background 0.3s var(--ease);
}
.btn-sm { padding: 10px 20px; font-size: 0.9rem; }
.btn-primary { background: linear-gradient(140deg, var(--primary), var(--dark)); color: #fff; box-shadow: 0 10px 26px rgba(42, 95, 90, 0.28); }
.btn-primary:hover { box-shadow: 0 16px 40px rgba(42, 95, 90, 0.34); }
.btn-ghost { background: rgba(255, 255, 255, 0.7); border-color: var(--border); color: var(--text); backdrop-filter: blur(10px); }
.btn-ghost:hover { background: #fff; }
.play { width: 0; height: 0; border-left: 8px solid var(--primary); border-top: 5px solid transparent; border-bottom: 5px solid transparent; }
.rip { position: absolute; border-radius: 50%; transform: scale(0); background: rgba(255, 255, 255, 0.45); animation: rip 0.62s var(--ease) forwards; pointer-events: none; }
.btn-ghost .rip { background: rgba(63, 125, 119, 0.2); }
@keyframes rip { to { transform: scale(2.6); opacity: 0; } }

/* hero */
.hero { position: relative; min-height: 100svh; display: flex; align-items: center; padding: 130px 0 80px; overflow: hidden; }
.hero-inner { display: grid; grid-template-columns: 1.05fr 0.95fr; gap: 56px; align-items: center; position: relative; z-index: 2; }
.mesh { position: absolute; inset: -20%; z-index: 0; will-change: transform; }
.blob { position: absolute; border-radius: 50%; filter: blur(90px); opacity: 0.55; }
.blob-a { width: 620px; height: 620px; left: -8%; top: 2%; background: rgba(63, 125, 119, 0.34); animation: morph 22s var(--ease) infinite alternate; }
.blob-b { width: 520px; height: 520px; right: -6%; top: 18%; background: rgba(214, 138, 63, 0.2); animation: morph 28s var(--ease) infinite alternate-reverse; }
.blob-c { width: 560px; height: 560px; left: 38%; bottom: -18%; background: rgba(42, 95, 90, 0.22); animation: morph 26s var(--ease) infinite alternate; }
@keyframes morph { from { transform: translate3d(0, 0, 0) scale(1); } to { transform: translate3d(60px, -50px, 0) scale(1.18); } }
.grid-lines {
  position: absolute; inset: 0; z-index: 1; opacity: 0.4;
  background-image: linear-gradient(var(--border) 1px, transparent 1px), linear-gradient(90deg, var(--border) 1px, transparent 1px);
  background-size: 74px 74px;
  mask-image: radial-gradient(ellipse at 50% 40%, #000 10%, transparent 72%);
}
.eyebrow {
  display: inline-flex; align-items: center; gap: 9px; padding: 7px 15px; border-radius: 999px;
  background: rgba(255, 255, 255, 0.7); border: 1px solid var(--border); backdrop-filter: blur(10px);
  font-size: 0.82rem; color: var(--dark); margin-bottom: 26px;
}
.dot-pulse { width: 7px; height: 7px; border-radius: 50%; background: var(--primary); box-shadow: 0 0 0 0 rgba(63, 125, 119, 0.5); animation: pulse 2s infinite; }
@keyframes pulse { 70% { box-shadow: 0 0 0 10px rgba(63, 125, 119, 0); } 100% { box-shadow: 0 0 0 0 rgba(63, 125, 119, 0); } }
.hero-copy .lede { margin-top: 26px; }
.hero-cta { display: flex; flex-wrap: wrap; gap: 14px; margin-top: 34px; }
.hero-cta.center { justify-content: center; }
.hero-meta { display: flex; align-items: center; gap: 14px; margin-top: 34px; font-size: 0.82rem; letter-spacing: 0.08em; text-transform: uppercase; color: var(--muted); }
.hero-meta i { width: 4px; height: 4px; border-radius: 50%; background: var(--border); }

/* phone */
.hero-stage { position: relative; display: flex; justify-content: center; }
.phone {
  position: relative; width: min(330px, 78vw); border-radius: 42px; padding: 12px;
  background: linear-gradient(160deg, #ffffff, #eaf1ee); border: 1px solid var(--border);
  box-shadow: var(--shadow-lg); will-change: transform;
}
.phone-glare { position: absolute; inset: 0; border-radius: 42px; pointer-events: none; background: linear-gradient(115deg, rgba(255, 255, 255, 0.75), transparent 42%); }
.phone-screen { border-radius: 32px; background: #fff; padding: 20px 18px; display: flex; flex-direction: column; gap: 16px; }
.call-top { display: flex; justify-content: space-between; align-items: center; font-size: 0.8rem; color: var(--muted); }
.live { display: inline-flex; align-items: center; gap: 8px; color: var(--dark); font-weight: 600; }
.caller { display: flex; align-items: center; gap: 12px; padding: 12px; border-radius: var(--r-sm); background: var(--bg); }
.caller small { display: block; color: var(--muted); font-size: 0.76rem; }
.avatar { width: 40px; height: 40px; border-radius: 50%; display: grid; place-items: center; color: #fff; font-weight: 600; background: linear-gradient(140deg, var(--primary), var(--dark)); }
.listening { display: flex; flex-direction: column; gap: 12px; padding: 14px; border-radius: var(--r-sm); border: 1px solid var(--border); }
.listening > span { font-size: 0.86rem; color: var(--dark); font-weight: 500; }
.wave { display: flex; align-items: center; gap: 3px; height: 34px; }
.wave i { flex: 1; min-width: 2px; border-radius: 2px; background: linear-gradient(180deg, var(--primary), var(--dark)); height: 22%; transform-origin: 50% 50%; animation: wv 1.1s ease-in-out infinite; }
.wave i:nth-child(3n) { animation-duration: 1.5s; }
.wave i:nth-child(4n) { animation-duration: 0.85s; }
.wave i:nth-child(2n) { animation-delay: 0.18s; }
.wave i:nth-child(5n) { animation-delay: 0.36s; }
.wave.sm { height: 20px; margin-top: 8px; }
.wave.big { height: 48px; }
@keyframes wv { 0%, 100% { transform: scaleY(0.35); } 50% { transform: scaleY(2.9); } }
.steps { list-style: none; display: flex; flex-direction: column; gap: 9px; }
.steps li { display: flex; align-items: center; gap: 10px; font-size: 0.88rem; padding: 10px 12px; border-radius: var(--r-sm); background: rgba(63, 125, 119, 0.07); }
.tick { width: 16px; height: 16px; border-radius: 50%; background: var(--primary); position: relative; flex: none; }
.tick::after { content: ""; position: absolute; left: 5px; top: 3px; width: 4px; height: 8px; border: solid #fff; border-width: 0 1.6px 1.6px 0; transform: rotate(45deg); }
.float-card {
  position: absolute; z-index: 3; display: flex; flex-direction: column; gap: 2px;
  padding: 13px 17px; border-radius: var(--r-md); background: var(--glass);
  border: 1px solid rgba(255, 255, 255, 0.85); backdrop-filter: blur(16px) saturate(160%);
  box-shadow: var(--shadow-md); will-change: transform;
}
.fc-label { font-size: 0.86rem; font-weight: 600; }
.fc-sub { font-size: 0.76rem; color: var(--muted); }
.fc-1 { left: -6%; top: 12%; }
.fc-2 { right: -4%; bottom: 14%; }

/* problem */
.split { display: grid; grid-template-columns: 0.9fr 1.1fr; gap: 70px; align-items: start; }
.sticky-col { position: sticky; top: 130px; }
.sticky-col .body { margin-top: 20px; }
.scroll-col { display: flex; flex-direction: column; gap: 18px; }
.problem-card {
  padding: 26px 28px; border-radius: var(--r-lg); background: rgba(255, 255, 255, 0.75);
  border: 1px solid var(--border); box-shadow: var(--shadow-sm); backdrop-filter: blur(12px);
  transition: transform 0.5s var(--ease), box-shadow 0.5s var(--ease);
}
.problem-card p { color: var(--muted); font-size: 0.96rem; margin-top: 8px; }
.problem-card.in { transform: translateY(0); }
.problem-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-md); }

/* horizontal timeline */
.hscroll { height: 320vh; position: relative; margin-top: 48px; }
.hscroll-inner { position: sticky; top: 0; height: 100svh; display: flex; align-items: center; overflow: hidden; }
.hscroll-track { display: flex; gap: 22px; padding: 0 max(24px, calc((100vw - var(--maxw)) / 2)); will-change: transform; position: relative; }
.line { position: absolute; left: 0; right: 0; top: 50%; height: 1px; background: var(--border); }
.line span { display: block; height: 100%; width: 0; background: linear-gradient(90deg, var(--primary), var(--accent)); }
.step-card {
  position: relative; flex: none; width: 300px; padding: 30px; border-radius: var(--r-lg);
  background: rgba(255, 255, 255, 0.78); border: 1px solid var(--border);
  backdrop-filter: blur(14px); box-shadow: var(--shadow-sm);
  transition: transform 0.4s var(--ease), box-shadow 0.4s var(--ease);
}
.step-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-md); }
.step-card p { color: var(--muted); font-size: 0.94rem; margin-top: 8px; }
.num { display: block; font-size: 2.4rem; color: var(--primary); opacity: 0.35; margin-bottom: 10px; }

/* conversation */
.split-2 { display: grid; grid-template-columns: 1fr 0.85fr; gap: 60px; align-items: center; }
.chat { display: flex; flex-direction: column; gap: 12px; margin-top: 34px; max-width: 520px; }
.bubble { padding: 15px 19px; border-radius: 20px; font-size: 0.98rem; box-shadow: var(--shadow-sm); }
.bubble.user { align-self: flex-start; background: #fff; border: 1px solid var(--border); border-bottom-left-radius: 6px; }
.bubble.emma { align-self: flex-end; background: linear-gradient(140deg, var(--primary), var(--dark)); color: #fff; border-bottom-right-radius: 6px; max-width: 88%; }
.bubble.emma .wave i { background: rgba(255, 255, 255, 0.85); }
.tool { display: inline-flex; align-items: center; gap: 10px; align-self: center; font-size: 0.85rem; color: var(--muted); padding: 9px 15px; border-radius: 999px; background: rgba(255, 255, 255, 0.7); border: 1px solid var(--border); }
.tool.ok { color: var(--dark); border-color: rgba(63, 125, 119, 0.35); background: rgba(63, 125, 119, 0.08); }
.tool-ico { width: 14px; height: 14px; border-radius: 4px; flex: none; }
.tool-ico.gcal { background: linear-gradient(140deg, #4285f4, #34a853); }
.tool-ico.wa { background: linear-gradient(140deg, #25d366, #128c7e); border-radius: 50%; }
.tool-ico.check { background: var(--primary); border-radius: 50%; }
.phone-float { display: flex; justify-content: center; }
.transcript { display: flex; flex-direction: column; gap: 8px; font-size: 0.86rem; }
.t-user { padding: 10px 12px; border-radius: 12px; background: var(--bg); }
.t-emma { padding: 10px 12px; border-radius: 12px; background: rgba(63, 125, 119, 0.1); color: var(--dark); }
.pill { font-size: 0.82rem; padding: 9px 13px; border-radius: 12px; background: var(--bg); color: var(--muted); }
.pill.ok { background: rgba(63, 125, 119, 0.1); color: var(--dark); font-weight: 500; }

/* features */
.features { overflow: hidden; }
.dots {
  position: absolute; inset: 0; opacity: 0.5;
  background-image: radial-gradient(rgba(63, 125, 119, 0.22) 1px, transparent 1px);
  background-size: 30px 30px;
  mask-image: radial-gradient(ellipse at 50% 50%, #000 5%, transparent 68%);
  animation: drift 30s linear infinite;
}
@keyframes drift { to { background-position: 300px 300px; } }
.glass-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; margin-top: 54px; }
.glass-card {
  padding: 28px; border-radius: var(--r-lg); background: var(--glass);
  border: 1px solid rgba(255, 255, 255, 0.9); backdrop-filter: blur(18px) saturate(160%);
  box-shadow: var(--shadow-sm); will-change: transform;
  transition: transform 0.5s var(--ease), box-shadow 0.5s var(--ease);
}
.glass-card p { color: var(--muted); font-size: 0.94rem; margin-top: 8px; }
.glass-card:hover { transform: translateY(-8px) rotate(-1.2deg) scale(1.02); box-shadow: var(--shadow-md); }
.glass-card:nth-child(even):hover { transform: translateY(-8px) rotate(1.2deg) scale(1.02); }

/* dashboard */
.device-row { display: grid; grid-template-columns: 1.4fr 0.6fr; gap: 40px; align-items: center; margin-top: 56px; }
.laptop { position: relative; }
.laptop-screen {
  height: 420px; overflow: hidden; border-radius: 18px 18px 4px 4px; padding: 16px;
  background: #fff; border: 12px solid #eef3f1; box-shadow: var(--shadow-lg);
}
.laptop-base { height: 14px; border-radius: 0 0 16px 16px; background: linear-gradient(180deg, #e6eeeb, #d3e0db); box-shadow: var(--shadow-sm); }
.dash-scroll { display: flex; flex-direction: column; gap: 10px; animation: dash 18s linear infinite alternate; }
@keyframes dash { to { transform: translateY(-38%); } }
.dash-head { display: flex; justify-content: space-between; font-size: 0.86rem; color: var(--muted); }
.dash-stats { display: grid; grid-template-columns: repeat(4, 1fr); gap: 10px; }
.dash-stats div { padding: 14px; border-radius: var(--r-sm); background: var(--bg); }
.dash-stats b { display: block; font-family: Fraunces, serif; font-size: 1.5rem; }
.dash-stats small { color: var(--muted); font-size: 0.74rem; }
.dash-row { display: flex; justify-content: space-between; align-items: center; padding: 14px; border-radius: var(--r-sm); border: 1px solid var(--border); font-size: 0.9rem; }
.chip, .ok-chip { font-size: 0.74rem; padding: 4px 10px; border-radius: 999px; background: var(--bg); color: var(--muted); }
.ok-chip { background: rgba(63, 125, 119, 0.12); color: var(--dark); }
.side-devices { display: flex; flex-direction: column; gap: 18px; }
.mini-phone { padding: 20px; border-radius: var(--r-lg); background: #fff; border: 1px solid var(--border); box-shadow: var(--shadow-md); }
.mini-title { display: block; font-weight: 600; font-size: 0.9rem; margin-bottom: 12px; }
.mini-row { font-size: 0.86rem; color: var(--muted); padding: 9px 0; border-top: 1px solid var(--border); }
.mini-row b { color: var(--text); margin-right: 8px; }
.popout { padding: 16px 18px; border-radius: var(--r-md); background: var(--glass); border: 1px solid #fff; backdrop-filter: blur(14px); box-shadow: var(--shadow-md); animation: bob 6s ease-in-out infinite; }
@keyframes bob { 0%, 100% { transform: translateY(0); } 50% { transform: translateY(-10px); } }

/* architecture */
.flow { display: flex; flex-wrap: wrap; align-items: center; justify-content: center; gap: 12px; margin-top: 54px; }
.flow-node { padding: 14px 22px; border-radius: 999px; background: #fff; border: 1px solid var(--border); box-shadow: var(--shadow-sm); font-size: 0.92rem; font-weight: 500; }
.flow-node.accent { background: linear-gradient(140deg, var(--primary), var(--dark)); color: #fff; border-color: transparent; }
.conn { position: relative; width: 54px; height: 1px; background: var(--border); overflow: hidden; }
.particle { position: absolute; top: -2px; left: 0; width: 5px; height: 5px; border-radius: 50%; background: var(--accent); animation: flowp 2.4s linear infinite; }
.conn:nth-of-type(2n) .particle { animation-delay: 0.4s; }
.conn:nth-of-type(3n) .particle { animation-delay: 0.9s; }
@keyframes flowp { from { transform: translateX(-6px); opacity: 0; } 20% { opacity: 1; } 80% { opacity: 1; } to { transform: translateX(56px); opacity: 0; } }

/* comparison */
.table { margin-top: 48px; border-radius: var(--r-lg); overflow: hidden; border: 1px solid var(--border); background: rgba(255, 255, 255, 0.8); backdrop-filter: blur(12px); box-shadow: var(--shadow-md); }
.trow { display: grid; grid-template-columns: 1.6fr 0.7fr 0.7fr; align-items: center; padding: 16px 24px; border-top: 1px solid var(--border); transition: background 0.3s var(--ease); }
.trow:first-child { border-top: 0; }
.trow:not(.thead):hover { background: rgba(63, 125, 119, 0.06); }
.thead { font-size: 0.78rem; letter-spacing: 0.14em; text-transform: uppercase; color: var(--muted); }
.thead span:nth-child(3) { color: var(--primary); font-weight: 600; }
.trow span:nth-child(2), .trow span:nth-child(3) { text-align: center; }
.no { color: #b7c5c1; }
.yes { display: inline-block; width: 20px; height: 20px; margin: 0 auto; border-radius: 50%; background: var(--primary); position: relative; }
.yes::after { content: ""; position: absolute; left: 7px; top: 4px; width: 5px; height: 10px; border: solid #fff; border-width: 0 2px 2px 0; transform: rotate(45deg) scale(0); transition: transform 0.4s var(--ease); }
.reveal.in .yes::after, .table.in .yes::after { transform: rotate(45deg) scale(1); }

/* stats */
.stat-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; text-align: center; }
.stat b { display: block; font-size: clamp(2.6rem, 5vw, 4.2rem); color: var(--dark); }
.stat span { color: var(--muted); font-size: 0.92rem; }

/* faq */
.acc { margin-top: 44px; border-radius: var(--r-lg); overflow: hidden; border: 1px solid var(--border); background: rgba(255, 255, 255, 0.78); backdrop-filter: blur(12px); }
.acc details { border-top: 1px solid var(--border); }
.acc details:first-child { border-top: 0; }
.acc summary { list-style: none; cursor: pointer; display: flex; justify-content: space-between; align-items: center; gap: 20px; padding: 22px 26px; font-weight: 500; }
.acc summary::-webkit-details-marker { display: none; }
.chev { width: 12px; height: 12px; border: solid var(--primary); border-width: 0 1.6px 1.6px 0; transform: rotate(45deg); transition: transform 0.4s var(--ease); flex: none; }
.acc details[open] .chev { transform: rotate(-135deg); }
.acc details p { padding: 0 26px 24px; color: var(--muted); font-size: 0.97rem; }
.acc details[open] p { animation: fadeIn 0.45s var(--ease); }
@keyframes fadeIn { from { opacity: 0; transform: translateY(-6px); } }

/* final */
.final { overflow: hidden; }
.mesh.soft { opacity: 0.7; }
.particles { position: absolute; inset: 0; pointer-events: none; }
.particles i { position: absolute; width: 5px; height: 5px; border-radius: 50%; background: rgba(63, 125, 119, 0.35); animation: rise linear infinite; }
@keyframes rise { from { transform: translateY(0); opacity: 0; } 20% { opacity: 1; } to { transform: translateY(-320px); opacity: 0; } }
.final .container { position: relative; z-index: 2; }

/* footer */
.footer { border-top: 1px solid var(--border); padding: 56px 0 30px; background: rgba(255, 255, 255, 0.5); }
.footer-inner { display: flex; justify-content: space-between; gap: 30px; flex-wrap: wrap; align-items: flex-start; }
.foot-note { color: var(--muted); font-size: 0.88rem; margin-top: 12px; }
.foot-links { display: flex; flex-direction: column; gap: 9px; font-size: 0.9rem; color: var(--muted); }
.foot-links a:hover { color: var(--text); }
.socials { display: flex; gap: 10px; }
.socials a { width: 38px; height: 38px; border-radius: 50%; border: 1px solid var(--border); display: grid; place-items: center; transition: background 0.3s var(--ease), transform 0.3s var(--ease); }
.socials a:hover { background: #fff; transform: translateY(-2px); }
.si { width: 14px; height: 14px; border-radius: 3px; background: var(--primary); opacity: 0.8; }
.si.in { border-radius: 3px; background: var(--dark); }
.si.mail { border-radius: 2px; background: var(--accent); }
.foot-bottom { margin-top: 34px; color: var(--muted); }

.to-top {
  position: fixed; right: 22px; bottom: 22px; width: 46px; height: 46px; border-radius: 50%;
  border: 1px solid var(--border); background: rgba(255, 255, 255, 0.85); backdrop-filter: blur(12px);
  box-shadow: var(--shadow-md); cursor: pointer; z-index: 80;
  opacity: 0; transform: translateY(14px) scale(0.9); pointer-events: none;
  transition: opacity 0.4s var(--ease), transform 0.4s var(--ease);
}
.to-top::after { content: ""; position: absolute; left: 17px; top: 19px; width: 10px; height: 10px; border: solid var(--primary); border-width: 1.6px 1.6px 0 0; transform: rotate(-45deg); }
.to-top.show { opacity: 1; transform: translateY(0) scale(1); pointer-events: auto; }

/* reveal */
.reveal { opacity: 0; transform: translateY(28px); filter: blur(6px); transition: opacity 0.9s var(--ease), transform 0.9s var(--ease), filter 0.9s var(--ease); }
.reveal.in { opacity: 1; transform: none; filter: none; }
.scroll-col .reveal:nth-child(2) { transition-delay: 0.06s; }
.scroll-col .reveal:nth-child(3) { transition-delay: 0.12s; }
.glass-grid .reveal:nth-child(3n + 2) { transition-delay: 0.08s; }
.glass-grid .reveal:nth-child(3n) { transition-delay: 0.16s; }
.chat .reveal:nth-child(2n) { transition-delay: 0.1s; }
.stat-grid .reveal:nth-child(2) { transition-delay: 0.1s; }
.stat-grid .reveal:nth-child(3) { transition-delay: 0.2s; }
.stat-grid .reveal:nth-child(4) { transition-delay: 0.3s; }

@media (max-width: 1000px) {
  .hero-inner, .split, .split-2, .device-row { grid-template-columns: 1fr; }
  .sticky-col { position: static; }
  .glass-grid { grid-template-columns: repeat(2, 1fr); }
  .nav-links { display: none; }
  .nav-toggle { display: inline-flex; }
  .hscroll { height: auto; }
  .hscroll-inner { position: static; height: auto; overflow-x: auto; }
  .hscroll-track { transform: none !important; }
}
@media (max-width: 640px) {
  body { font-size: 16px; }
  .glass-grid, .stat-grid, .dash-stats { grid-template-columns: 1fr 1fr; }
  .trow { grid-template-columns: 1.3fr 0.6fr 0.6fr; padding: 14px 16px; font-size: 0.9rem; }
  .float-card { display: none; }
  .section { padding: 74px 0; }
  .login-full { display: none; }
  .login-short { display: inline; }
  .nav-actions > .nav-login { display: none; }
  .nav-inner { padding: 10px 10px 10px 16px; gap: 10px; }
  .nav-actions { gap: 10px; }
  .mm-foot .nav-login { display: inline; font-size: 0.85rem; }
  section[id], main[id] { scroll-margin-top: 78px; }
}
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: 0.001ms !important; animation-iteration-count: 1 !important; transition-duration: 0.001ms !important; }
  .reveal { opacity: 1; transform: none; filter: none; }
}