/* =========================================================
   WaChat — design system v3 (Geist · JetBrains Mono)
   Combines homepage + inner-page styles into one file.
   ========================================================= */

:root {
  --ink: #0A0A0A;
  --ink-2: #14171A;
  --ink-3: #1E2226;
  --paper: #FAFAF7;
  --paper-2: #F4F2EC;
  --line: #E7E4DA;
  --line-dark: #23272B;
  --muted: #6B7280;
  --muted-2: #94A3B8;
  --green: #25D366;
  --green-2: #1FB855;
  --green-deep: #0F8A53;
  --green-tint: #E6F8EE;
  --teal: #06B6D4;
  --amber: #F59E0B;
  --red: #EF4444;

  --radius-card: 16px;
  --radius-btn: 10px;
  --radius-chip: 9999px;

  --shadow-sm: 0 1px 2px rgba(15, 23, 42, .04), 0 1px 3px rgba(15, 23, 42, .03);
  --shadow-md: 0 4px 14px -6px rgba(15, 23, 42, .10), 0 2px 6px -3px rgba(15, 23, 42, .06);
  --shadow-lg: 0 24px 60px -20px rgba(15, 23, 42, .18), 0 8px 20px -8px rgba(15, 23, 42, .08);
  --shadow-green: 0 12px 40px -12px rgba(37, 211, 102, .35);

  --ease: cubic-bezier(.22, 1, .36, 1);

  --font-sans: "Geist", ui-sans-serif, system-ui, -apple-system, "Segoe UI", sans-serif;
  --font-mono: "JetBrains Mono", ui-monospace, SFMono-Regular, Menlo, monospace;
}

* { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 1.6;
  color: var(--ink);
  background: var(--paper);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  overflow-x: hidden;
}
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
button { font-family: inherit; cursor: pointer; border: 0; background: 0 0; color: inherit; }
:focus-visible { outline: 2px solid var(--green); outline-offset: 2px; border-radius: 6px; }

.skip { position: absolute; left: -9999px; top: 8px; background: var(--ink); color: #fff; padding: 8px 12px; border-radius: 8px; z-index: 1000; }
.skip:focus { left: 12px; }

/* ===== containers ===== */
.container { width: 100%; max-width: 1200px; margin: 0 auto; padding: 0 24px; }
.container-wide { max-width: 1320px; margin: 0 auto; padding: 0 24px; }

/* ===== typography ===== */
.eyebrow {
  display: inline-flex; align-items: center; gap: 10px;
  font-family: var(--font-mono);
  font-size: 12px; letter-spacing: .04em;
  color: var(--muted); text-transform: uppercase;
}
.eyebrow .dot { width: 6px; height: 6px; border-radius: 50%; background: var(--green); box-shadow: 0 0 0 4px rgba(37,211,102,.18); }

h1, h2, h3, h4 { font-weight: 600; letter-spacing: -0.03em; line-height: 1.05; color: var(--ink); }
h1 { font-size: clamp(40px, 5.6vw, 72px); }
h2 { font-size: clamp(32px, 3.8vw, 52px); line-height: 1.08; }
h3 { font-size: 22px; line-height: 1.25; letter-spacing: -0.02em; }
.lede { font-size: clamp(17px, 1.4vw, 20px); color: var(--muted); line-height: 1.55; max-width: 60ch; }

.mono { font-family: var(--font-mono); font-feature-settings: "tnum" 1; }

/* ===== buttons ===== */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  height: 44px; padding: 0 18px;
  font-size: 14.5px; font-weight: 500; letter-spacing: -0.005em;
  border-radius: var(--radius-btn);
  transition: transform .2s var(--ease), box-shadow .2s var(--ease), background .2s var(--ease), color .2s var(--ease), border-color .2s var(--ease);
  white-space: nowrap;
}
.btn:active { transform: scale(.98); }

.btn-primary {
  background: var(--ink);
  color: #fff;
  position: relative;
  overflow: hidden;
}
.btn-primary:hover { transform: translateY(-1px); box-shadow: 0 12px 30px -12px rgba(10,10,10,.45); }
.btn-primary::after {
  content: ""; position: absolute; inset: 0;
  background: linear-gradient(120deg, transparent 30%, rgba(255,255,255,.18) 50%, transparent 70%);
  transform: translateX(-100%);
  animation: shimmer 3.6s var(--ease) infinite;
}
@keyframes shimmer { 0% { transform: translateX(-100%); } 60%, 100% { transform: translateX(100%); } }

.btn-green {
  background: var(--green);
  color: #07371C;
  font-weight: 600;
  position: relative;
  overflow: hidden;
  box-shadow: 0 1px 0 rgba(255,255,255,.4) inset, 0 8px 24px -10px rgba(37,211,102,.6);
}
.btn-green:hover { transform: translateY(-1px); background: #2BDC6F; box-shadow: 0 14px 30px -10px rgba(37,211,102,.55); }
.btn-green::after {
  content: ""; position: absolute; inset: 0;
  background: linear-gradient(120deg, transparent 30%, rgba(255,255,255,.35) 50%, transparent 70%);
  transform: translateX(-100%);
  animation: shimmer 3.2s var(--ease) infinite;
}

.btn-ghost {
  background: transparent;
  color: var(--ink);
  border: 1px solid var(--line);
}
.btn-ghost:hover { background: #fff; border-color: #d4d0c1; transform: translateY(-1px); }

.btn-white {
  background: #fff; color: var(--green-deep); font-weight: 600; height: 52px; padding: 0 26px; font-size: 16px;
  border-radius: 12px;
  box-shadow: 0 12px 32px -8px rgba(0,0,0,.25);
}
.btn-white:hover { transform: translateY(-2px); box-shadow: 0 16px 36px -10px rgba(0,0,0,.3); }

.btn-link {
  display: inline-flex; align-items: center; gap: 6px;
  font-size: 14px; font-weight: 500; color: var(--ink);
  position: relative;
}
.btn-link::after {
  content: ""; position: absolute; left: 0; bottom: -2px; width: 0; height: 1px; background: currentColor;
  transition: width .25s var(--ease);
}
.btn-link:hover::after { width: 100%; }
.btn-link svg { transition: transform .2s var(--ease); }
.btn-link:hover svg { transform: translateX(3px); }

/* ===== nav ===== */
.nav {
  position: fixed; top: 0; left: 0; right: 0; z-index: 100;
  height: 72px;
  display: flex; align-items: center;
  background: rgba(250, 250, 247, 0);
  transition: background .25s var(--ease), border-color .25s var(--ease), height .25s var(--ease), backdrop-filter .25s var(--ease);
  border-bottom: 1px solid transparent;
}
.nav.scrolled {
  height: 60px;
  background: rgba(250, 250, 247, .78);
  backdrop-filter: saturate(160%) blur(14px);
  -webkit-backdrop-filter: saturate(160%) blur(14px);
  border-bottom-color: var(--line);
}
.nav-inner { width: 100%; display: flex; align-items: center; gap: 32px; justify-content: space-between; }
.brand { display: flex; align-items: center; gap: 10px; font-weight: 600; letter-spacing: -0.02em; font-size: 17px; color: var(--ink); }
.brand-mark {
  width: 34px; height: 34px; border-radius: 10px;
  display: grid; place-items: center;
  overflow: hidden;
  background: transparent;
  flex: 0 0 auto;
}
.brand-mark img { width: 100%; height: 100%; object-fit: contain; display: block; }
.brand-name { display: inline-block; }

.nav-links { display: flex; align-items: center; gap: 6px; }
.nav-links a {
  font-size: 14px; color: #3a3f47;
  padding: 8px 12px; border-radius: 8px;
  transition: background .2s var(--ease), color .2s var(--ease);
}
.nav-links a:hover,
.nav-links a[aria-current="page"] { background: rgba(15,23,42,.05); color: var(--ink); }

.nav-cta { display: flex; align-items: center; gap: 10px; }
.nav-cta .btn { height: 38px; padding: 0 14px; font-size: 13.5px; }

.nav-burger {
  display: none;
  width: 40px; height: 40px;
  border-radius: 10px;
  border: 1px solid var(--line);
  background: #fff;
  position: relative;
  align-items: center; justify-content: center;
  flex-direction: column; gap: 4px;
  padding: 0;
}
.nav-burger span {
  display: block;
  width: 16px; height: 1.5px;
  background: var(--ink);
  border-radius: 2px;
  transition: transform .25s var(--ease), opacity .2s var(--ease);
}
.nav-burger.open span:nth-child(1) { transform: translateY(5.5px) rotate(45deg); }
.nav-burger.open span:nth-child(2) { opacity: 0; }
.nav-burger.open span:nth-child(3) { transform: translateY(-5.5px) rotate(-45deg); }

.mobile-menu {
  position: fixed; inset: 60px 0 0 0;
  background: rgba(250, 250, 247, .98);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  z-index: 99;
  padding: 24px 24px 48px;
  transform: translateY(-8px);
  opacity: 0; pointer-events: none;
  transition: opacity .2s var(--ease), transform .25s var(--ease);
  display: none;
  overflow-y: auto;
}
.mobile-menu.open { opacity: 1; transform: translateY(0); pointer-events: auto; }
.mobile-menu nav { display: flex; flex-direction: column; gap: 4px; }
.mobile-menu nav a {
  padding: 14px 12px;
  font-size: 17px;
  font-weight: 500;
  letter-spacing: -0.01em;
  border-radius: 10px;
  color: var(--ink);
  transition: background .15s var(--ease);
}
.mobile-menu nav a:hover,
.mobile-menu nav a[aria-current="page"] { background: rgba(37,211,102,.10); color: var(--green-deep); }
.mobile-menu nav hr { border: 0; border-top: 1px solid var(--line); margin: 8px 0; }

/* ===== hero ===== */
.hero { position: relative; padding: 140px 0 80px; overflow: hidden; }
.hero-grid {
  display: grid;
  grid-template-columns: 1.05fr 1.1fr;
  gap: 56px;
  align-items: center;
}
.hero-eyebrow {
  display: inline-flex; align-items: center; gap: 10px;
  padding: 6px 12px 6px 8px;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 9999px;
  font-size: 12.5px;
  color: #3a3f47;
  box-shadow: var(--shadow-sm);
}
.hero-eyebrow .pulse {
  width: 6px; height: 6px; border-radius: 50%;
  background: var(--green);
  box-shadow: 0 0 0 0 rgba(37,211,102,.5);
  animation: pulse 2s var(--ease) infinite;
}
@keyframes pulse {
  0% { box-shadow: 0 0 0 0 rgba(37,211,102,.55); }
  70% { box-shadow: 0 0 0 8px rgba(37,211,102,0); }
  100% { box-shadow: 0 0 0 0 rgba(37,211,102,0); }
}
.hero h1 { margin: 22px 0 22px; }
.hero h1 .accent { color: var(--green-deep); white-space: nowrap; }
.hero h1 .accent::after {
  content: ""; display: inline-block; width: .35em; height: .12em;
  background: var(--green); margin-left: .12em; vertical-align: middle; border-radius: 2px;
  animation: caret 1.1s steps(2) infinite;
}
@keyframes caret { 50% { opacity: 0; } }

.hero .lede { margin-bottom: 32px; }
.hero-cta { display: flex; align-items: center; gap: 12px; flex-wrap: wrap; }
.hero-trust { display: flex; align-items: center; gap: 22px; margin-top: 24px; flex-wrap: wrap; }
.hero-trust span { display: inline-flex; align-items: center; gap: 8px; font-size: 13px; color: var(--muted); }
.hero-trust svg { color: var(--green-deep); }

.mesh { position: absolute; inset: -10% -10% auto -10%; height: 900px; z-index: -1; pointer-events: none; }
.mesh::before, .mesh::after, .mesh .blob {
  content: ""; position: absolute; border-radius: 50%; filter: blur(70px);
  opacity: .55; will-change: transform;
}
.mesh::before { width: 520px; height: 520px; background: #25D366; top: 10%; left: 0; animation: drift1 22s ease-in-out infinite; }
.mesh::after  { width: 620px; height: 620px; background: #06B6D4; top: -10%; right: 5%; animation: drift2 26s ease-in-out infinite; opacity: .35; }
.mesh .blob   { width: 460px; height: 460px; background: #34D399; bottom: -10%; left: 35%; animation: drift3 24s ease-in-out infinite; opacity: .4; }
@keyframes drift1 { 0%,100% { transform: translate(0,0) scale(1); } 50% { transform: translate(80px, 40px) scale(1.08); } }
@keyframes drift2 { 0%,100% { transform: translate(0,0) scale(1); } 50% { transform: translate(-60px, 60px) scale(.95); } }
@keyframes drift3 { 0%,100% { transform: translate(0,0) scale(1); } 50% { transform: translate(40px, -50px) scale(1.05); } }

.dot-grid {
  position: absolute; inset: 0; z-index: -1; pointer-events: none;
  background-image: radial-gradient(circle, rgba(15,23,42,.06) 1px, transparent 1px);
  background-size: 24px 24px;
  mask-image: radial-gradient(ellipse 80% 60% at 50% 0%, #000 30%, transparent 75%);
  -webkit-mask-image: radial-gradient(ellipse 80% 60% at 50% 0%, #000 30%, transparent 75%);
}

/* ===== inbox preview ===== */
.hero-right { position: relative; }
.inbox-frame {
  position: relative;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 18px;
  box-shadow: var(--shadow-lg);
  overflow: hidden;
  transform: perspective(1400px) rotateX(2deg) rotateY(-4deg);
  transition: transform .4s var(--ease);
}
.inbox-frame:hover { transform: perspective(1400px) rotateX(0) rotateY(0); }
.inbox-chrome {
  display: flex; align-items: center; gap: 10px;
  padding: 12px 14px; border-bottom: 1px solid var(--line);
  background: linear-gradient(180deg, #fbfaf5, #fff);
}
.inbox-traffic { display: flex; gap: 6px; }
.inbox-traffic span { width: 11px; height: 11px; border-radius: 50%; background: #E7E4DA; }
.inbox-traffic span:nth-child(1) { background: #FF6B5B; }
.inbox-traffic span:nth-child(2) { background: #FFC04A; }
.inbox-traffic span:nth-child(3) { background: #6BD389; }
.inbox-url {
  flex: 1; margin: 0 14px;
  font-family: var(--font-mono); font-size: 11.5px; color: var(--muted);
  background: var(--paper-2); border-radius: 6px; padding: 5px 10px;
  display: flex; align-items: center; gap: 8px;
}
.inbox-url::before { content: ""; width: 9px; height: 9px; border-radius: 50%; border: 2px solid var(--green); background: var(--paper-2); }

.inbox-body {
  display: grid; grid-template-columns: 200px 1fr 200px;
  height: 460px;
  background: #fff;
}

.inbox-side {
  border-right: 1px solid var(--line);
  background: #FBFAF6;
  padding: 12px 8px;
  overflow: hidden;
}
.inbox-side-head {
  display: flex; align-items: center; justify-content: space-between;
  padding: 4px 8px 10px; font-size: 11px;
  color: var(--muted); font-family: var(--font-mono); letter-spacing: .04em; text-transform: uppercase;
}
.inbox-side-head .count { background: #fff; border: 1px solid var(--line); padding: 1px 6px; border-radius: 999px; color: var(--ink); font-size: 10px; }
.conv {
  display: flex; gap: 10px; align-items: flex-start;
  padding: 10px; border-radius: 10px; cursor: pointer;
  transition: background .15s var(--ease);
}
.conv:hover { background: #fff; }
.conv.active { background: #fff; box-shadow: 0 0 0 1px var(--line), 0 4px 10px -6px rgba(15,23,42,.08); }
.conv-avatar {
  width: 32px; height: 32px; border-radius: 50%; flex: 0 0 auto;
  background: linear-gradient(135deg, #34D399, #06B6D4);
  color: #fff; display: grid; place-items: center;
  font-size: 12px; font-weight: 600; letter-spacing: -0.02em;
}
.conv-avatar.b { background: linear-gradient(135deg, #F59E0B, #EF4444); }
.conv-avatar.c { background: linear-gradient(135deg, #6366F1, #A855F7); }
.conv-avatar.d { background: linear-gradient(135deg, #0F8A53, #25D366); }
.conv-body { flex: 1; min-width: 0; }
.conv-name { font-size: 12.5px; font-weight: 600; display: flex; justify-content: space-between; }
.conv-name .when { font-family: var(--font-mono); font-size: 10px; color: var(--muted); font-weight: 400; }
.conv-snippet { font-size: 11.5px; color: var(--muted); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.conv .badge { background: var(--green); color: #fff; font-size: 9.5px; padding: 1px 6px; border-radius: 999px; margin-left: 6px; font-weight: 600; }

.inbox-chat { display: flex; flex-direction: column; min-width: 0; }
.chat-head {
  display: flex; align-items: center; gap: 10px;
  padding: 12px 16px; border-bottom: 1px solid var(--line);
  background: #fff;
}
.chat-head .conv-avatar { width: 30px; height: 30px; font-size: 11px; }
.chat-head-meta { line-height: 1.2; }
.chat-head-meta .name { font-size: 13px; font-weight: 600; }
.chat-head-meta .num { font-family: var(--font-mono); font-size: 10.5px; color: var(--muted); }
.chat-head .live {
  margin-left: auto;
  display: inline-flex; align-items: center; gap: 6px;
  font-size: 10.5px; font-family: var(--font-mono); color: var(--green-deep);
  background: var(--green-tint); padding: 3px 8px; border-radius: 999px;
  border: 1px solid #BFEFCE;
}
.chat-head .live .dot { width: 6px; height: 6px; border-radius: 50%; background: var(--green); animation: pulse 1.6s ease-in-out infinite; }

.chat-stream {
  flex: 1; padding: 16px 18px; overflow: hidden;
  background:
    radial-gradient(circle at 20% 10%, rgba(37,211,102,.04), transparent 40%),
    #FBFAF6;
  display: flex; flex-direction: column; gap: 10px;
}
.bubble {
  max-width: 78%;
  padding: 9px 12px;
  border-radius: 14px;
  font-size: 13px;
  line-height: 1.45;
  box-shadow: 0 1px 0 rgba(15,23,42,.03);
  opacity: 0; transform: translateY(8px) scale(.98);
  animation: bubbleIn .45s var(--ease) forwards;
}
.bubble.in {
  background: #fff;
  border: 1px solid var(--line);
  border-bottom-left-radius: 4px;
  align-self: flex-start;
  color: var(--ink);
}
.bubble.out {
  background: linear-gradient(180deg, #DCFCE7, #BBF7D0);
  border: 1px solid #86EFAC;
  color: #064E2C;
  border-bottom-right-radius: 4px;
  align-self: flex-end;
}
.bubble .meta {
  display: flex; align-items: center; gap: 4px; justify-content: flex-end;
  font-family: var(--font-mono); font-size: 9.5px; color: var(--muted);
  margin-top: 4px;
}
.bubble.out .meta { color: #16653E; }
.bubble .meta .read { color: var(--green-deep); }
@keyframes bubbleIn { to { opacity: 1; transform: translateY(0) scale(1); } }

.typing {
  display: inline-flex; align-items: center; gap: 5px;
  background: #fff; border: 1px solid var(--line);
  padding: 9px 12px; border-radius: 14px; border-bottom-left-radius: 4px;
  width: max-content; align-self: flex-start;
  opacity: 0; transform: translateY(8px);
  animation: bubbleIn .35s var(--ease) forwards;
}
.typing span { width: 5px; height: 5px; border-radius: 50%; background: #94A3B8; animation: blink 1.2s infinite; }
.typing span:nth-child(2) { animation-delay: .15s; }
.typing span:nth-child(3) { animation-delay: .3s; }
@keyframes blink { 0%, 60%, 100% { opacity: .3; transform: translateY(0); } 30% { opacity: 1; transform: translateY(-2px); } }

.chat-compose {
  border-top: 1px solid var(--line);
  padding: 10px 12px;
  display: flex; align-items: center; gap: 8px;
  background: #fff;
}
.compose-input {
  flex: 1; background: var(--paper-2);
  border: 1px solid var(--line); border-radius: 999px;
  padding: 8px 14px; font-size: 12px; color: var(--muted);
  display: flex; align-items: center; gap: 8px;
}
.compose-send {
  width: 32px; height: 32px; border-radius: 50%; background: var(--green); color: #fff;
  display: grid; place-items: center; box-shadow: 0 6px 14px -6px rgba(37,211,102,.6);
}

.inbox-right {
  border-left: 1px solid var(--line);
  background: #FBFAF6;
  padding: 16px 14px;
  font-size: 11.5px;
  overflow: hidden;
}
.cust-name { font-size: 13.5px; font-weight: 600; letter-spacing: -0.01em; }
.cust-sub { font-family: var(--font-mono); font-size: 10.5px; color: var(--muted); margin-top: 2px; }
.cust-section { margin-top: 16px; }
.cust-section h5 {
  font-size: 10px; font-family: var(--font-mono); color: var(--muted);
  letter-spacing: .06em; text-transform: uppercase; margin-bottom: 8px; font-weight: 500;
}
.cust-row { display: flex; justify-content: space-between; padding: 4px 0; color: #3a3f47; }
.cust-row b { font-weight: 500; color: var(--ink); }
.tags { display: flex; gap: 6px; flex-wrap: wrap; }
.tag {
  font-size: 10.5px; padding: 2px 8px; border-radius: 999px;
  background: #fff; border: 1px solid var(--line); color: #3a3f47;
}
.tag.green { background: var(--green-tint); border-color: #BFEFCE; color: var(--green-deep); }
.tag.amber { background: #FEF3C7; border-color: #FDE68A; color: #92400E; }

.hero-tag {
  position: absolute;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 10px 14px;
  box-shadow: var(--shadow-md);
  font-size: 12px;
  display: flex; align-items: center; gap: 10px;
}
.hero-tag.tl { top: 12%; left: -34px; animation: floaty 6s ease-in-out infinite; }
.hero-tag.br { bottom: 8%; right: -28px; animation: floaty 7s ease-in-out infinite .4s reverse; }
.hero-tag .icon { width: 26px; height: 26px; border-radius: 8px; display: grid; place-items: center; }
.hero-tag .icon.g { background: var(--green-tint); color: var(--green-deep); }
.hero-tag .icon.t { background: #CFFAFE; color: #0E7490; }
.hero-tag b { display: block; font-size: 13px; }
.hero-tag span { font-family: var(--font-mono); font-size: 10.5px; color: var(--muted); }
@keyframes floaty { 0%,100% { transform: translateY(0); } 50% { transform: translateY(-6px); } }

/* ===== marquee ===== */
.marquee-section { padding: 60px 0 30px; }
.marquee-label {
  text-align: center;
  font-family: var(--font-mono);
  font-size: 12px; color: var(--muted);
  letter-spacing: .08em; text-transform: uppercase;
  margin-bottom: 28px;
}
.marquee {
  overflow: hidden;
  mask-image: linear-gradient(90deg, transparent, #000 12%, #000 88%, transparent);
  -webkit-mask-image: linear-gradient(90deg, transparent, #000 12%, #000 88%, transparent);
}
.marquee-track {
  display: flex; gap: 64px;
  width: max-content;
  animation: scroll 36s linear infinite;
  align-items: center;
}
.marquee:hover .marquee-track { animation-play-state: paused; }
@keyframes scroll { to { transform: translateX(calc(-50% - 32px)); } }
.logo {
  font-size: 22px; font-weight: 600; letter-spacing: -0.02em;
  color: #94A3B8; white-space: nowrap;
  display: inline-flex; align-items: center; gap: 8px;
  opacity: .75;
  transition: opacity .2s var(--ease), color .2s var(--ease);
}
.logo:hover { opacity: 1; color: var(--ink); }
.logo .dot { width: 8px; height: 8px; border-radius: 50%; background: currentColor; }
.logo .sq { width: 10px; height: 10px; background: currentColor; transform: rotate(45deg); }
.logo .tri { width: 0; height: 0; border-left: 6px solid transparent; border-right: 6px solid transparent; border-bottom: 10px solid currentColor; }
.logo .ring { width: 12px; height: 12px; border-radius: 50%; border: 2px solid currentColor; }
.logo .bar { width: 14px; height: 4px; background: currentColor; border-radius: 2px; }

/* ===== stats (dark ink band) ===== */
.stats { padding: 96px 0; background: var(--ink); color: #fff; position: relative; overflow: hidden; }
.stats::before {
  content: ""; position: absolute; inset: 0; pointer-events: none;
  background-image: radial-gradient(circle, rgba(255,255,255,.04) 1px, transparent 1px);
  background-size: 22px 22px;
  mask-image: radial-gradient(ellipse 60% 80% at 50% 50%, #000 20%, transparent 70%);
}
.stats-head { text-align: center; margin-bottom: 56px; position: relative; }
.stats-head h2 { color: #fff; max-width: 22ch; margin: 14px auto 0; }
.stats-head .eyebrow { color: var(--green); }
.stats-head .eyebrow .dot { background: var(--green); }
.stats-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 0; border-top: 1px solid var(--line-dark); border-bottom: 1px solid var(--line-dark); position: relative; }
.stat { padding: 36px 24px; border-right: 1px solid var(--line-dark); }
.stat:last-child { border-right: 0; }
.stat .num { font-family: var(--font-mono); font-size: 52px; font-weight: 500; letter-spacing: -0.04em; color: #fff; line-height: 1; }
.stat .num .suffix { color: var(--green); }
.stat .lbl { margin-top: 12px; font-size: 13.5px; color: #94A3B8; line-height: 1.4; max-width: 22ch; }

/* ===== features ===== */
.features { padding: 140px 0; }
.section-head { max-width: 720px; margin-bottom: 60px; }
.section-head h2 { margin: 14px 0 16px; }
.feature-layout { display: grid; grid-template-columns: 380px 1fr; gap: 48px; align-items: start; }

.feat-tabs { display: flex; flex-direction: column; gap: 4px; }
.feat-tab {
  display: flex; gap: 14px; align-items: flex-start;
  text-align: left; padding: 16px 18px;
  border-radius: 12px; border-left: 3px solid transparent;
  transition: all .2s var(--ease); position: relative;
}
.feat-tab:hover { background: #fff; }
.feat-tab.active {
  background: #fff;
  border-left-color: var(--green);
  box-shadow: var(--shadow-sm);
}
.feat-tab .ic {
  width: 36px; height: 36px; border-radius: 9px; flex: 0 0 auto;
  background: var(--paper-2); display: grid; place-items: center; color: #3a3f47;
  transition: all .2s var(--ease);
}
.feat-tab.active .ic { background: var(--green-tint); color: var(--green-deep); }
.feat-tab .tt { font-size: 15px; font-weight: 600; letter-spacing: -0.01em; }
.feat-tab .dd { font-size: 13px; color: var(--muted); margin-top: 4px; }
.feat-tab .prog {
  position: absolute; left: 0; top: 0; bottom: 0;
  width: 3px; background: var(--green); transform: scaleY(0); transform-origin: top;
}
.feat-tab.active .prog { animation: progress 5.5s linear; }
@keyframes progress { 0% { transform: scaleY(0); } 100% { transform: scaleY(1); } }

.feat-stage {
  background: #fff; border: 1px solid var(--line); border-radius: 18px;
  box-shadow: var(--shadow-md);
  overflow: hidden;
  min-height: 460px;
  position: relative;
}
.feat-panel { position: absolute; inset: 0; opacity: 0; transform: translateY(8px); transition: opacity .3s var(--ease), transform .3s var(--ease); pointer-events: none; }
.feat-panel.show { opacity: 1; transform: translateY(0); pointer-events: auto; }

.f-bar { display: flex; align-items: center; padding: 10px 14px; border-bottom: 1px solid var(--line); gap: 8px; background: linear-gradient(180deg,#FBFAF6,#fff); }
.f-bar h4 { font-size: 13px; font-weight: 600; }
.f-bar .right { margin-left: auto; display: flex; gap: 8px; font-size: 11px; font-family: var(--font-mono); color: var(--muted); }
.f-bar .pill { background: var(--green-tint); color: var(--green-deep); border: 1px solid #BFEFCE; padding: 2px 8px; border-radius: 999px; }

.fp-inbox { display: grid; grid-template-columns: 240px 1fr; height: 100%; }
.fp-inbox .col-l { border-right: 1px solid var(--line); padding: 12px; background: #FBFAF6; }
.fp-inbox .seg { display: flex; gap: 4px; padding: 4px; background: #fff; border: 1px solid var(--line); border-radius: 8px; margin-bottom: 10px; font-size: 11.5px; }
.fp-inbox .seg span { padding: 4px 8px; border-radius: 6px; color: var(--muted); }
.fp-inbox .seg span.on { background: var(--ink); color: #fff; }
.fp-inbox .row { display: flex; gap: 10px; padding: 10px 8px; border-radius: 8px; align-items: center; }
.fp-inbox .row:hover { background: #fff; }
.fp-inbox .av { width: 28px; height: 28px; border-radius: 50%; flex: 0 0 auto; }
.fp-inbox .av.a1 { background: linear-gradient(135deg,#F59E0B,#EF4444); }
.fp-inbox .av.a2 { background: linear-gradient(135deg,#34D399,#06B6D4); }
.fp-inbox .av.a3 { background: linear-gradient(135deg,#6366F1,#A855F7); }
.fp-inbox .av.a4 { background: linear-gradient(135deg,#0F8A53,#25D366); }
.fp-inbox .av.a5 { background: linear-gradient(135deg,#FB7185,#F59E0B); }
.fp-inbox .ln { flex: 1; min-width: 0; }
.fp-inbox .ln .t { font-size: 12.5px; font-weight: 600; display: flex; justify-content: space-between; }
.fp-inbox .ln .t span { font-family: var(--font-mono); color: var(--muted); font-weight: 400; font-size: 10px; }
.fp-inbox .ln .s { font-size: 11.5px; color: var(--muted); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.fp-inbox .col-r { padding: 18px 22px; background: #fff; display: flex; flex-direction: column; gap: 12px; }
.fp-inbox .col-r .chat-head { padding: 0 0 12px; border-bottom: 1px solid var(--line); background: transparent; }

.fp-templates { padding: 24px; height: 100%; display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px; }
.tpl {
  background: #FBFAF6; border: 1px solid var(--line); border-radius: 12px;
  padding: 14px; display: flex; flex-direction: column; gap: 8px;
  transition: transform .2s var(--ease), box-shadow .2s var(--ease), border-color .2s var(--ease);
}
.tpl:hover { transform: translateY(-3px); border-color: #BFEFCE; box-shadow: var(--shadow-md); }
.tpl .hd { display: flex; justify-content: space-between; align-items: center; }
.tpl .tag-x { font-size: 10px; font-family: var(--font-mono); color: var(--green-deep); background: var(--green-tint); padding: 2px 6px; border-radius: 4px; }
.tpl .tag-x.amber { background: #FEF3C7; color: #92400E; }
.tpl h5 { font-size: 13px; font-weight: 600; }
.tpl p { font-size: 11.5px; color: var(--muted); line-height: 1.45; }
.tpl .ft { display: flex; justify-content: space-between; align-items: center; font-size: 11px; color: var(--muted); font-family: var(--font-mono); margin-top: auto; padding-top: 6px; }
.tpl .bar { height: 4px; border-radius: 2px; background: var(--paper-2); overflow: hidden; margin-top: 4px; }
.tpl .bar i { display: block; height: 100%; background: var(--green); }

.fp-auto { padding: 24px; height: 100%; display: flex; flex-direction: column; gap: 14px; background: linear-gradient(180deg,#FBFAF6,#fff); position: relative; }
.fp-auto::before {
  content: ""; position: absolute; inset: 0; pointer-events: none;
  background-image: linear-gradient(rgba(15,23,42,.04) 1px, transparent 1px), linear-gradient(90deg, rgba(15,23,42,.04) 1px, transparent 1px);
  background-size: 24px 24px;
  mask-image: radial-gradient(ellipse 70% 80% at 50% 50%, #000 30%, transparent 80%);
}
.node {
  background: #fff; border: 1px solid var(--line); border-radius: 12px;
  padding: 12px 14px; display: flex; align-items: center; gap: 12px;
  width: max-content; max-width: 100%;
  box-shadow: var(--shadow-sm);
  position: relative; z-index: 1;
}
.node .nic { width: 28px; height: 28px; border-radius: 8px; background: var(--green-tint); color: var(--green-deep); display: grid; place-items: center; }
.node .nbody { font-size: 12.5px; }
.node .nbody small { display: block; font-family: var(--font-mono); font-size: 10px; color: var(--muted); }
.node.amber .nic { background: #FEF3C7; color: #92400E; }
.node.blue .nic { background: #CFFAFE; color: #0E7490; }
.node.purple .nic { background: #EDE9FE; color: #6D28D9; }
.fp-auto .branch { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; padding-left: 36px; }
.fp-auto .arrow { padding-left: 18px; color: var(--muted); font-family: var(--font-mono); font-size: 10px; }

.fp-contacts { padding: 24px; height: 100%; display: flex; flex-direction: column; gap: 12px; }
.cont-row { display: grid; grid-template-columns: 24px 1.5fr 1fr 1fr 80px; align-items: center; gap: 12px; padding: 10px 14px; border-radius: 10px; border: 1px solid var(--line); background: #fff; font-size: 12.5px; }
.cont-row.h { background: var(--paper-2); border: 0; font-family: var(--font-mono); font-size: 10.5px; text-transform: uppercase; letter-spacing: .04em; color: var(--muted); padding: 8px 14px; }
.cont-row .nm { font-weight: 600; display: flex; align-items: center; gap: 8px; }
.cont-row .av-sm { width: 20px; height: 20px; border-radius: 50%; }
.cont-row .ph { font-family: var(--font-mono); font-size: 11.5px; color: var(--muted); }
.cont-row .chk { width: 14px; height: 14px; border-radius: 4px; border: 1.5px solid var(--line); }
.cont-row .chk.on { background: var(--green); border-color: var(--green); position: relative; }
.cont-row .chk.on::after { content: ""; position: absolute; left: 3.5px; top: 1px; width: 4px; height: 7px; border: solid #fff; border-width: 0 1.5px 1.5px 0; transform: rotate(45deg); }

.fp-analytics { padding: 24px; height: 100%; display: grid; grid-template-columns: 1.4fr 1fr; gap: 16px; }
.kpis { display: grid; grid-template-columns: repeat(3,1fr); gap: 10px; grid-column: 1 / -1; }
.kpi { background: #FBFAF6; border: 1px solid var(--line); border-radius: 12px; padding: 12px 14px; }
.kpi .l { font-size: 10.5px; font-family: var(--font-mono); color: var(--muted); text-transform: uppercase; letter-spacing: .04em; }
.kpi .v { font-family: var(--font-mono); font-size: 22px; font-weight: 500; letter-spacing: -0.03em; margin-top: 4px; }
.kpi .d { font-size: 10.5px; color: var(--green-deep); margin-top: 2px; }
.kpi .d.down { color: var(--red); }
.chart {
  grid-column: 1 / -1;
  background: #FBFAF6; border: 1px solid var(--line); border-radius: 12px;
  padding: 16px; height: 220px; position: relative;
}
.chart svg { width: 100%; height: 100%; }

.fp-api { padding: 0; height: 100%; display: grid; grid-template-columns: 1fr 1fr; }
.fp-api .left { padding: 24px; display: flex; flex-direction: column; gap: 12px; border-right: 1px solid var(--line); }
.fp-api h5 { font-size: 14px; font-weight: 600; }
.fp-api .endpoint { background: var(--paper-2); border: 1px solid var(--line); border-radius: 10px; padding: 10px 12px; font-family: var(--font-mono); font-size: 12px; display: flex; gap: 10px; align-items: center; }
.fp-api .method { background: var(--green); color: #fff; padding: 1px 7px; border-radius: 4px; font-size: 10.5px; font-weight: 600; }
.fp-api .method.get { background: #06B6D4; }
.fp-api .method.del { background: var(--red); }
.fp-api .right { background: #0A0A0A; color: #E5E7EB; padding: 20px; font-family: var(--font-mono); font-size: 12px; line-height: 1.7; overflow: hidden; }
.fp-api .right .ln { display: flex; gap: 14px; }
.fp-api .right .num-x { color: #475569; min-width: 16px; text-align: right; }
.fp-api .k { color: #86EFAC; }
.fp-api .s { color: #FDE68A; }
.fp-api .c { color: #94A3B8; }
.fp-api .p { color: #C4B5FD; }

/* ===== trust band (dark) ===== */
.trust-band {
  padding: 120px 0;
  background: var(--ink);
  color: #fff;
  position: relative; overflow: hidden;
}
.trust-band::before {
  content: ""; position: absolute; inset: -100px;
  background:
    radial-gradient(circle at 20% 30%, rgba(37,211,102,.18), transparent 40%),
    radial-gradient(circle at 80% 70%, rgba(6,182,212,.15), transparent 40%);
  filter: blur(40px);
  pointer-events: none;
}
.trust-inner { position: relative; text-align: center; max-width: 880px; margin: 0 auto; }
.trust-inner h2 { color: #fff; margin: 18px 0; }
.trust-inner .lede { color: #94A3B8; margin: 0 auto 56px; }
.trust-grid { display: grid; grid-template-columns: repeat(3,1fr); gap: 16px; text-align: left; }
.trust-card {
  background: rgba(255,255,255,.03);
  border: 1px solid var(--line-dark);
  border-radius: 14px; padding: 22px;
  transition: all .2s var(--ease);
}
.trust-card:hover { background: rgba(255,255,255,.05); border-color: #2d3338; transform: translateY(-3px); }
.trust-card .ic { width: 36px; height: 36px; border-radius: 9px; background: rgba(37,211,102,.12); color: var(--green); display: grid; place-items: center; margin-bottom: 14px; border: 1px solid rgba(37,211,102,.2); }
.trust-card h4 { color: #fff; font-size: 15px; margin-bottom: 6px; font-weight: 600; }
.trust-card p { font-size: 13.5px; color: #94A3B8; line-height: 1.55; }

/* ===== use cases ===== */
.usecases { padding: 140px 0; }
.uc-grid { display: grid; grid-template-columns: repeat(3,1fr); gap: 16px; }
.uc {
  background: #fff; border: 1px solid var(--line); border-radius: 16px;
  padding: 24px; display: flex; flex-direction: column; gap: 14px;
  transition: all .25s var(--ease);
  position: relative; overflow: hidden;
}
.uc::before {
  content: ""; position: absolute; inset: 0;
  background: radial-gradient(circle at 0% 0%, rgba(37,211,102,.08), transparent 50%);
  opacity: 0; transition: opacity .25s var(--ease);
}
.uc:hover { transform: translateY(-4px); border-color: #BFEFCE; box-shadow: var(--shadow-green); }
.uc:hover::before { opacity: 1; }
.uc:hover .uc-ic { transform: rotate(8deg) scale(1.08); }
.uc-ic {
  width: 44px; height: 44px; border-radius: 11px;
  background: var(--green-tint); color: var(--green-deep);
  display: grid; place-items: center;
  transition: transform .35s var(--ease);
  position: relative; z-index: 1;
}
.uc h3 { font-size: 18px; position: relative; z-index: 1; }
.uc p { color: var(--muted); font-size: 14px; line-height: 1.55; position: relative; z-index: 1; }
.uc .btn-link { margin-top: 4px; position: relative; z-index: 1; }

/* ===== pricing ===== */
.pricing { padding: 140px 0; background: linear-gradient(180deg, var(--paper) 0%, #F1EFE8 100%); border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.pricing-head { text-align: center; max-width: 700px; margin: 0 auto 40px; }
.pricing-head h2 { margin: 14px 0 16px; }
.bill-toggle {
  display: inline-flex; align-items: center; gap: 4px;
  background: #fff; border: 1px solid var(--line); border-radius: 999px;
  padding: 4px; margin-bottom: 56px;
}
.bill-toggle button {
  font-size: 13px; padding: 8px 16px; border-radius: 999px;
  color: var(--muted); font-weight: 500;
  transition: all .2s var(--ease);
  display: inline-flex; align-items: center; gap: 6px;
}
.bill-toggle button.on { background: var(--ink); color: #fff; }
.bill-toggle button .save { font-size: 10px; font-family: var(--font-mono); background: var(--green-tint); color: var(--green-deep); padding: 1px 6px; border-radius: 4px; }
.bill-toggle button.on .save { background: var(--green); color: #07371C; }

.pricing-grid { display: grid; grid-template-columns: repeat(4,1fr); gap: 16px; align-items: stretch; }
.pricing-grid .plan-price .amt { font-size: 38px; }
.plan {
  background: #fff; border: 1px solid var(--line); border-radius: 18px;
  padding: 26px 24px; display: flex; flex-direction: column; gap: 16px;
  position: relative;
  transition: transform .25s var(--ease), box-shadow .25s var(--ease);
}
.plan:hover { transform: translateY(-4px); box-shadow: var(--shadow-lg); }
.plan.featured {
  border: 1.5px solid transparent;
  background:
    linear-gradient(#fff,#fff) padding-box,
    linear-gradient(135deg, #25D366, #06B6D4) border-box;
  box-shadow: var(--shadow-green);
  transform: translateY(-8px);
}
.plan.featured:hover { transform: translateY(-12px); }
.plan-badge { position: absolute; top: -12px; left: 28px; background: var(--green); color: #07371C; font-size: 11px; font-weight: 600; padding: 4px 10px; border-radius: 999px; }
.plan-name { font-family: var(--font-mono); font-size: 12px; color: var(--muted); text-transform: uppercase; letter-spacing: .05em; }
.plan-price { display: flex; align-items: baseline; gap: 6px; }
.plan-price .amt { font-family: var(--font-mono); font-size: 44px; font-weight: 500; letter-spacing: -0.04em; }
.plan-price .per { color: var(--muted); font-size: 13.5px; }
.plan-desc { color: var(--muted); font-size: 13.5px; line-height: 1.55; }
.plan ul { list-style: none; display: flex; flex-direction: column; gap: 10px; padding-top: 4px; border-top: 1px solid var(--line); margin-top: 4px; padding-top: 16px; }
.plan li { display: flex; gap: 10px; font-size: 13.5px; align-items: flex-start; line-height: 1.45; }
.plan li svg { color: var(--green-deep); flex-shrink: 0; margin-top: 3px; }
.plan .btn { margin-top: auto; width: 100%; }
.pricing-note { text-align: center; margin-top: 24px; font-size: 13px; color: var(--muted); font-family: var(--font-mono); }

/* ===== testimonials ===== */
.testimonials { padding: 140px 0; }
.test-grid { display: grid; grid-template-columns: repeat(3,1fr); gap: 18px; }
.test {
  background: #fff; border: 1px solid var(--line); border-radius: 16px;
  padding: 28px; display: flex; flex-direction: column; gap: 18px;
  transition: all .25s var(--ease);
  position: relative;
}
.test:hover { transform: translateY(-4px); box-shadow: var(--shadow-md); }
.test .qm {
  font-family: var(--font-mono); font-size: 56px; color: var(--green); line-height: 0.8;
  font-weight: 500;
}
.test blockquote { font-size: 16px; line-height: 1.5; letter-spacing: -0.005em; color: var(--ink); text-wrap: pretty; }
.test .who { display: flex; align-items: center; gap: 12px; padding-top: 16px; border-top: 1px solid var(--line); margin-top: auto; }
.test .ava { width: 38px; height: 38px; border-radius: 50%; display: grid; place-items: center; color: #fff; font-weight: 600; font-size: 14px; }
.test .ava.a { background: linear-gradient(135deg,#F59E0B,#EF4444); }
.test .ava.b { background: linear-gradient(135deg,#0F8A53,#25D366); }
.test .ava.c { background: linear-gradient(135deg,#6366F1,#A855F7); }
.test .who .nm { font-size: 13.5px; font-weight: 600; }
.test .who .ttl { font-size: 12px; color: var(--muted); }
.test .biz { margin-left: auto; font-family: var(--font-mono); font-size: 11px; color: var(--muted); }

/* ===== faq ===== */
.faq { padding: 140px 0; background: #F4F2EC; border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.faq-layout { display: grid; grid-template-columns: 360px 1fr; gap: 64px; align-items: start; }
.faq-list { display: flex; flex-direction: column; gap: 0; }
.faq-item { border-bottom: 1px solid var(--line); }
.faq-item:first-child { border-top: 1px solid var(--line); }
.faq-q {
  width: 100%; text-align: left;
  display: flex; justify-content: space-between; align-items: center; gap: 16px;
  padding: 20px 4px; font-size: 16px; font-weight: 500; letter-spacing: -0.01em; color: var(--ink);
  transition: color .2s var(--ease);
}
.faq-q:hover { color: var(--green-deep); }
.faq-q .chev { transition: transform .25s var(--ease); flex-shrink: 0; color: var(--muted); }
.faq-item.open .faq-q .chev { transform: rotate(180deg); color: var(--green-deep); }
.faq-a {
  overflow: hidden;
  max-height: 0;
  transition: max-height .35s var(--ease);
}
.faq-a-inner { padding: 0 4px 20px; color: var(--muted); font-size: 14.5px; line-height: 1.6; max-width: 60ch; }
.faq-item.open .faq-a { max-height: 220px; }

/* ===== final CTA ===== */
.final-cta {
  padding: 100px 0; position: relative; overflow: hidden;
  background: linear-gradient(135deg, #0F8A53 0%, #25D366 60%, #1FB855 100%);
  color: #fff;
}
.final-cta::before {
  content: ""; position: absolute; inset: 0; pointer-events: none;
  background-image: radial-gradient(circle, rgba(255,255,255,.07) 1px, transparent 1px);
  background-size: 28px 28px;
}
.final-cta .bubble-bg {
  position: absolute; opacity: .12; pointer-events: none;
}
.final-cta .bubble-bg.b1 { top: 10%; left: 5%; width: 120px; height: 120px; animation: floaty 8s ease-in-out infinite; }
.final-cta .bubble-bg.b2 { bottom: 15%; right: 10%; width: 80px; height: 80px; animation: floaty 6s ease-in-out infinite 1s; }
.final-cta .bubble-bg.b3 { top: 40%; right: 30%; width: 50px; height: 50px; animation: floaty 7s ease-in-out infinite .5s; }
.final-cta-inner { position: relative; text-align: center; max-width: 800px; margin: 0 auto; }
.final-cta h2 { color: #fff; font-size: clamp(36px, 4.8vw, 64px); margin-bottom: 18px; }
.final-cta .sub { font-size: clamp(18px, 2vw, 26px); color: rgba(255,255,255,.85); margin-bottom: 36px; font-weight: 400; letter-spacing: -0.01em; }
.final-cta .note { font-size: 13px; color: rgba(255,255,255,.7); margin-top: 18px; font-family: var(--font-mono); }

/* ===== footer ===== */
.footer { padding: 96px 0 36px; background: var(--ink); color: #94A3B8; font-size: 13.5px; }
.footer-top { display: grid; grid-template-columns: 1.4fr repeat(4, 1fr); gap: 48px; padding-bottom: 56px; border-bottom: 1px solid var(--line-dark); }
.footer-brand .brand { color: #fff; margin-bottom: 14px; }
.footer-brand p { max-width: 28ch; line-height: 1.55; }
.footer-contact { margin-top: 10px; }
.footer-contact a { font-family: var(--font-mono); font-size: 12px; color: #fff; opacity: .9; }
.footer-contact a:hover { opacity: 1; }
.footer-col h5 { font-family: var(--font-mono); font-size: 11px; color: #fff; text-transform: uppercase; letter-spacing: .08em; margin-bottom: 16px; font-weight: 500; }
.footer-col ul { list-style: none; display: flex; flex-direction: column; gap: 10px; }
.footer-col a { transition: color .15s var(--ease); }
.footer-col a:hover { color: #fff; }
.footer-bot {
  display: flex; flex-wrap: wrap; gap: 16px;
  justify-content: space-between; align-items: center;
  padding-top: 32px;
}
.footer-bot .left { display: flex; align-items: center; gap: 18px; flex-wrap: wrap; }
.footer-bot .socials { display: flex; gap: 8px; }
.footer-bot .socials a {
  width: 32px; height: 32px; border-radius: 8px;
  border: 1px solid var(--line-dark);
  display: grid; place-items: center;
  transition: all .15s var(--ease);
}
.footer-bot .socials a:hover { background: rgba(255,255,255,.06); border-color: #2d3338; color: #fff; }
.footer-disclaimer { font-size: 11.5px; color: #475569; max-width: 70ch; line-height: 1.55; margin-top: 24px; }

/* ===================================================
   Inner page chrome (page.css merged)
   =================================================== */

.page { padding-top: 110px; }
.page-hero {
  padding: 40px 0 64px;
  position: relative;
}
.page-hero .eyebrow { margin-bottom: 14px; }
.page-hero h1 {
  font-size: clamp(36px, 4.6vw, 60px);
  letter-spacing: -0.03em;
  line-height: 1.05;
  max-width: 22ch;
}
.page-hero p.lede {
  margin-top: 18px;
  max-width: 62ch;
  font-size: clamp(16px, 1.3vw, 19px);
}
.page-hero .cta-row { margin-top: 28px; display: flex; gap: 12px; flex-wrap: wrap; }

.page-section { padding: 64px 0; }
.page-section.alt { background: #F4F2EC; border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.page-section.dark { background: var(--ink); color: #fff; }
.page-section.dark h2, .page-section.dark h3 { color: #fff; }

.crumb {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--muted);
  display: flex; gap: 6px; align-items: center;
  margin-bottom: 18px;
}
.crumb a { color: var(--muted); }
.crumb a:hover { color: var(--ink); }
.crumb .sep { opacity: .5; }

.prose {
  max-width: 70ch;
  font-size: 16px;
  line-height: 1.7;
  color: #1f2933;
}
.prose h2 {
  font-size: 26px;
  margin: 48px 0 14px;
  letter-spacing: -0.02em;
  scroll-margin-top: 90px;
}
.prose h2:first-child { margin-top: 0; }
.prose h3 {
  font-size: 18px;
  margin: 28px 0 8px;
  letter-spacing: -0.01em;
  scroll-margin-top: 90px;
}
.prose p { margin-bottom: 14px; text-wrap: pretty; }
.prose ul, .prose ol { margin: 0 0 16px 22px; }
.prose li { margin-bottom: 6px; }
.prose a { color: var(--green-deep); border-bottom: 1px solid #BFEFCE; }
.prose a:hover { background: var(--green-tint); }
.prose strong { font-weight: 600; color: var(--ink); }
.prose code {
  font-family: var(--font-mono);
  font-size: 13.5px;
  background: var(--paper-2);
  padding: 1px 6px;
  border-radius: 4px;
  border: 1px solid var(--line);
}
.prose hr { border: 0; border-top: 1px solid var(--line); margin: 36px 0; }
.prose .updated { font-family: var(--font-mono); font-size: 12px; color: var(--muted); margin-bottom: 32px; }

.two-col {
  display: grid;
  grid-template-columns: 220px 1fr;
  gap: 56px;
  align-items: start;
}
.toc {
  position: sticky;
  top: 90px;
  font-size: 13px;
  display: flex; flex-direction: column; gap: 4px;
}
.toc h6 {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--muted);
  letter-spacing: .06em;
  text-transform: uppercase;
  margin-bottom: 10px;
  font-weight: 500;
}
.toc a {
  color: #475569;
  padding: 6px 10px;
  border-radius: 6px;
  border-left: 2px solid transparent;
  transition: all .15s var(--ease);
  line-height: 1.4;
}
.toc a:hover { color: var(--ink); background: rgba(15,23,42,.04); }
.toc a.active { color: var(--green-deep); border-left-color: var(--green); background: var(--green-tint); }

/* ===== auth & forms ===== */
.auth-shell {
  min-height: calc(100vh - 60px);
  display: grid;
  grid-template-columns: 1fr 1fr;
  align-items: stretch;
}
.auth-form-side {
  display: grid; place-items: center;
  padding: 80px 40px;
}
.auth-form {
  width: 100%;
  max-width: 400px;
}
.auth-form h1 {
  font-size: 32px;
  letter-spacing: -0.025em;
  margin-bottom: 8px;
}
.auth-form .sub { color: var(--muted); margin-bottom: 32px; font-size: 14.5px; }
.auth-aside {
  background: var(--ink);
  color: #fff;
  padding: 80px 56px;
  display: flex; flex-direction: column; justify-content: space-between;
  position: relative; overflow: hidden;
}
.auth-aside::before {
  content: ""; position: absolute; inset: -100px;
  background:
    radial-gradient(circle at 20% 30%, rgba(37,211,102,.22), transparent 40%),
    radial-gradient(circle at 80% 70%, rgba(6,182,212,.15), transparent 40%);
  filter: blur(40px);
  pointer-events: none;
}
.auth-aside-inner { position: relative; z-index: 1; }
.auth-aside h2 { color: #fff; font-size: 30px; letter-spacing: -0.025em; line-height: 1.15; }
.auth-aside p { color: #94A3B8; margin-top: 14px; line-height: 1.6; }
.auth-aside .quote { font-size: 18px; line-height: 1.5; color: #fff; letter-spacing: -0.01em; }
.auth-aside .who { font-family: var(--font-mono); font-size: 12px; color: #94A3B8; margin-top: 12px; }
.auth-aside .quote-mark { font-family: var(--font-mono); font-size: 56px; color: var(--green); line-height: 0.5; }
.auth-aside ul { list-style: none; padding: 0; display: flex; flex-direction: column; gap: 14px; margin-top: 24px; }
.auth-aside li {
  display: flex; gap: 12px; align-items: flex-start;
  font-size: 14.5px; color: #cbd5e1;
}
.auth-aside li svg { color: var(--green); margin-top: 3px; flex-shrink: 0; }

.form-row { display: flex; flex-direction: column; gap: 6px; margin-bottom: 18px; }
.form-row label { font-size: 13px; font-weight: 500; color: #1f2933; }
.form-row .hint { font-size: 12px; color: var(--muted); }
.input, .textarea, .select {
  width: 100%;
  padding: 11px 14px;
  font-size: 14.5px;
  font-family: inherit;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 10px;
  color: var(--ink);
  transition: border-color .15s var(--ease), box-shadow .15s var(--ease);
}
.input:focus, .textarea:focus, .select:focus {
  outline: none;
  border-color: var(--green);
  box-shadow: 0 0 0 4px rgba(37,211,102,.12);
}
.textarea { resize: vertical; min-height: 110px; font-family: inherit; }
.select { appearance: none; background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 24 24' fill='none' stroke='%2364748B' stroke-width='2.4' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='m6 9 6 6 6-6'/%3E%3C/svg%3E"); background-repeat: no-repeat; background-position: right 14px center; padding-right: 36px; }
.form-actions { margin-top: 24px; display: flex; flex-direction: column; gap: 12px; }
.form-actions .btn { width: 100%; height: 48px; font-size: 14.5px; }
.form-divider {
  display: flex; align-items: center; gap: 12px;
  font-family: var(--font-mono); font-size: 11px; color: var(--muted);
  text-transform: uppercase; letter-spacing: .06em;
  margin: 24px 0;
}
.form-divider::before, .form-divider::after {
  content: ""; flex: 1; height: 1px; background: var(--line);
}
.form-sso {
  width: 100%; height: 44px;
  border: 1px solid var(--line); border-radius: 10px;
  background: #fff;
  display: flex; align-items: center; justify-content: center; gap: 10px;
  font-size: 14px; font-weight: 500;
  transition: background .15s var(--ease), border-color .15s var(--ease);
}
.form-sso:hover { background: #fafaf7; border-color: #d4d0c1; }
.form-foot { margin-top: 24px; text-align: center; font-size: 13.5px; color: var(--muted); }
.form-foot a { color: var(--green-deep); font-weight: 500; }
.form-foot a:hover { text-decoration: underline; }
.form-row-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
.form-checkbox { display: flex; align-items: flex-start; gap: 10px; font-size: 13px; color: #475569; line-height: 1.45; margin: 18px 0 0; }
.form-checkbox input { margin-top: 3px; accent-color: var(--green); }
.form-success {
  background: var(--green-tint);
  border: 1px solid #BFEFCE;
  color: var(--green-deep);
  padding: 14px 16px;
  border-radius: 10px;
  font-size: 14px;
  margin-bottom: 18px;
  display: none;
}
.form-success.show { display: block; }

/* ===== inner-page grids ===== */
.f-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
}
.f-card {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 16px;
  padding: 24px;
  display: flex; flex-direction: column; gap: 12px;
  transition: transform .25s var(--ease), box-shadow .25s var(--ease), border-color .25s var(--ease);
}
.f-card:hover { transform: translateY(-3px); border-color: #BFEFCE; box-shadow: var(--shadow-green); }
.f-card .ic {
  width: 40px; height: 40px; border-radius: 10px;
  background: var(--green-tint); color: var(--green-deep);
  display: grid; place-items: center;
}
.f-card h3 { font-size: 17px; }
.f-card p { color: var(--muted); font-size: 14px; line-height: 1.55; }
.f-card .bullets { list-style: none; display: flex; flex-direction: column; gap: 6px; margin-top: 4px; }
.f-card .bullets li { display: flex; gap: 8px; align-items: flex-start; font-size: 13px; color: #1f2933; }
.f-card .bullets svg { color: var(--green-deep); flex-shrink: 0; margin-top: 4px; }

.uc-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 56px;
  align-items: center;
  padding: 64px 0;
  border-bottom: 1px solid var(--line);
}
.uc-row:last-of-type { border-bottom: 0; }
.uc-row:nth-child(even) .uc-row-text { order: 2; }
.uc-row-text h2 { margin-bottom: 14px; font-size: 32px; letter-spacing: -0.025em; }
.uc-row-text p { color: var(--muted); margin-bottom: 18px; line-height: 1.6; font-size: 15px; }
.uc-row-text ul { list-style: none; display: flex; flex-direction: column; gap: 10px; margin-bottom: 24px; }
.uc-row-text li { display: flex; gap: 10px; align-items: flex-start; font-size: 14.5px; }
.uc-row-text li svg { color: var(--green-deep); margin-top: 4px; flex-shrink: 0; }

.uc-vis {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 18px;
  padding: 32px;
  min-height: 320px;
  position: relative;
  overflow: hidden;
  box-shadow: var(--shadow-md);
}

.cases {
  display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px;
}
.case {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 16px;
  padding: 28px;
  display: flex; flex-direction: column; gap: 14px;
  transition: all .25s var(--ease);
}
.case:hover { transform: translateY(-3px); box-shadow: var(--shadow-md); }
.case .logo-wm { font-size: 18px; font-weight: 600; letter-spacing: -0.02em; display: flex; align-items: center; gap: 8px; }
.case blockquote { font-size: 14.5px; line-height: 1.55; letter-spacing: -0.005em; }
.case .metric { padding: 10px 12px; background: var(--green-tint); border-radius: 10px; font-family: var(--font-mono); font-size: 13px; color: var(--green-deep); }
.case .metric b { font-weight: 600; }
.case .who { display: flex; align-items: center; gap: 10px; padding-top: 12px; border-top: 1px solid var(--line); margin-top: auto; }
.case .who .ava { width: 32px; height: 32px; border-radius: 50%; background: linear-gradient(135deg,#34D399,#06B6D4); color:#fff; display:grid; place-items:center; font-weight:600; font-size:12px; }
.case .who .meta { line-height: 1.2; }
.case .who .nm { font-size: 13px; font-weight: 600; }
.case .who .ttl { font-size: 11.5px; color: var(--muted); }

.docs-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
.docs-card {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 14px;
  padding: 24px;
  transition: all .2s var(--ease);
  display: flex; flex-direction: column; gap: 8px;
}
.docs-card:hover { border-color: #BFEFCE; transform: translateY(-2px); box-shadow: var(--shadow-md); }
.docs-card h4 { font-size: 15px; }
.docs-card p { color: var(--muted); font-size: 13.5px; line-height: 1.5; }
.docs-card .links { display: flex; flex-direction: column; gap: 6px; margin-top: 10px; }
.docs-card .links a { font-size: 13px; color: var(--green-deep); display: inline-flex; align-items: center; gap: 6px; }
.docs-card .links a:hover { text-decoration: underline; }

.blog-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; }
.blog-card {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 16px;
  overflow: hidden;
  display: flex; flex-direction: column;
  transition: all .25s var(--ease);
}
.blog-card:hover { transform: translateY(-3px); box-shadow: var(--shadow-md); border-color: #BFEFCE; }
.blog-card .cover {
  aspect-ratio: 16/10;
  background:
    radial-gradient(circle at 25% 20%, rgba(37,211,102,.22), transparent 50%),
    radial-gradient(circle at 75% 80%, rgba(6,182,212,.20), transparent 50%),
    linear-gradient(135deg, #0F8A53, #25D366);
  position: relative;
}
.blog-card .cover.v2 { background: linear-gradient(135deg, #14171A, #1E2226); }
.blog-card .cover.v3 { background: linear-gradient(135deg, #F4F2EC, #E7E4DA); }
.blog-card .body { padding: 20px 22px; display: flex; flex-direction: column; gap: 8px; flex: 1; }
.blog-card .cat { font-family: var(--font-mono); font-size: 11px; color: var(--muted); letter-spacing: .06em; text-transform: uppercase; }
.blog-card h3 { font-size: 17px; letter-spacing: -0.015em; line-height: 1.25; }
.blog-card .excerpt { color: var(--muted); font-size: 13.5px; line-height: 1.5; }
.blog-card .meta { display: flex; justify-content: space-between; align-items: center; margin-top: auto; padding-top: 12px; border-top: 1px solid var(--line); font-size: 12px; color: var(--muted); font-family: var(--font-mono); }

.status-row {
  display: grid;
  grid-template-columns: 1.5fr 1fr 90px;
  align-items: center;
  padding: 16px 18px;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 12px;
  margin-bottom: 10px;
  gap: 16px;
}
.status-row .name { font-weight: 500; font-size: 14.5px; }
.status-row .bar {
  display: flex; gap: 2px; height: 22px;
}
.status-row .bar i { flex: 1; background: var(--green); border-radius: 1px; min-width: 2px; }
.status-row .bar i.warn { background: var(--amber); }
.status-row .bar i.down { background: var(--red); }
.status-row .pct { font-family: var(--font-mono); font-size: 13.5px; color: var(--green-deep); text-align: right; }

.cl-entry {
  display: grid;
  grid-template-columns: 200px 1fr;
  gap: 48px;
  padding: 32px 0;
  border-bottom: 1px solid var(--line);
}
.cl-entry:last-child { border-bottom: 0; }
.cl-date { font-family: var(--font-mono); font-size: 13px; color: var(--muted); position: sticky; top: 90px; align-self: start; }
.cl-body h3 { font-size: 20px; margin-bottom: 10px; letter-spacing: -0.02em; }
.cl-body p { color: #1f2933; line-height: 1.6; margin-bottom: 10px; }
.cl-body ul { margin: 0 0 0 22px; line-height: 1.7; }
.cl-tag {
  display: inline-block; font-family: var(--font-mono); font-size: 10.5px;
  padding: 2px 8px; border-radius: 999px;
  background: var(--green-tint); color: var(--green-deep); border: 1px solid #BFEFCE;
  margin-bottom: 10px; text-transform: uppercase; letter-spacing: .04em;
}
.cl-tag.fix { background: #FEF3C7; color: #92400E; border-color: #FDE68A; }
.cl-tag.api { background: #CFFAFE; color: #0E7490; border-color: #A5F3FC; }

/* ===== responsive ===== */
@media (max-width: 1024px) {
  .hero-grid { grid-template-columns: 1fr; gap: 64px; }
  .feature-layout { grid-template-columns: 1fr; }
  .stats-grid { grid-template-columns: repeat(2,1fr); }
  .stat:nth-child(2) { border-right: 0; }
  .stat:nth-child(1), .stat:nth-child(2) { border-bottom: 1px solid var(--line-dark); }
  .trust-grid, .uc-grid, .pricing-grid, .test-grid { grid-template-columns: 1fr 1fr; }
  .footer-top { grid-template-columns: 1fr 1fr; }
  .faq-layout { grid-template-columns: 1fr; gap: 40px; }
  .hero-tag.tl, .hero-tag.br { display: none; }
  .nav-links { display: none; }
  .nav-cta .nav-signin { display: none; }
  .nav-cta .btn-green { display: none; }
  .nav-burger { display: inline-flex; }
  .mobile-menu { display: block; }
  .fp-templates { grid-template-columns: repeat(2,1fr); }
  .feat-stage { min-height: 380px; }
  /* inner page */
  .auth-shell { grid-template-columns: 1fr; min-height: auto; }
  .auth-aside { padding: 56px 40px; order: 2; }
  .two-col { grid-template-columns: 1fr; gap: 32px; }
  .toc { position: static; }
  .f-grid, .cases, .docs-grid, .blog-grid { grid-template-columns: repeat(2,1fr); }
  .uc-row { grid-template-columns: 1fr; gap: 32px; }
  .uc-row:nth-child(even) .uc-row-text { order: 0; }
  .cl-entry { grid-template-columns: 1fr; gap: 14px; }
  .cl-date { position: static; }
}
@media (max-width: 768px) {
  .footer-top { grid-template-columns: 1fr 1fr; gap: 32px; }
  .footer-brand { grid-column: span 2; }
  .inbox-body { grid-template-columns: 180px 1fr; }
  .inbox-right { display: none; }
}
@media (max-width: 640px) {
  .hero { padding: 110px 0 60px; }
  .container, .container-wide { padding: 0 16px; }
  .stats { padding: 64px 0; }
  .stats-grid { grid-template-columns: 1fr; }
  .stat { border-right: 0; border-bottom: 1px solid var(--line-dark); padding: 28px 20px; }
  .stat:last-child { border-bottom: 0; }
  .stats-head { margin-bottom: 36px; }
  .features, .usecases, .pricing, .testimonials, .faq, .trust-band { padding: 72px 0; }
  .section-head { margin-bottom: 40px; }
  .uc-grid, .pricing-grid, .test-grid, .trust-grid { grid-template-columns: 1fr; gap: 12px; }
  .footer-top { grid-template-columns: 1fr; gap: 28px; padding-bottom: 36px; }
  .footer-brand { grid-column: auto; }
  .footer-bot { flex-direction: column; align-items: flex-start; }
  .inbox-body { grid-template-columns: 1fr; height: auto; min-height: 400px; }
  .inbox-side, .inbox-right { display: none; }
  .inbox-frame { transform: none !important; }
  .fp-templates { grid-template-columns: 1fr; }
  .fp-api { grid-template-columns: 1fr; }
  .fp-api .right { display: none; }
  .fp-inbox { grid-template-columns: 1fr; }
  .fp-inbox .col-l { display: none; }
  .fp-analytics { grid-template-columns: 1fr; }
  .chart { height: 180px; }
  .plan.featured { transform: none; }
  .plan.featured:hover { transform: translateY(-4px); }
  .stat .num { font-size: 40px; }
  h1 { font-size: 34px; line-height: 1.1; }
  h2 { font-size: 28px; }
  .lede { font-size: 15.5px; }
  .hero-cta { width: 100%; }
  .hero-cta .btn { flex: 1; min-width: 0; }
  .hero-trust { gap: 14px; }
  .feat-tab { padding: 12px 14px; }
  .feat-tab .dd { display: none; }
  .nav { height: 60px; }
  .nav.scrolled { height: 56px; }
  .nav-cta { gap: 8px; }
  .nav-burger { width: 38px; height: 38px; }
  .final-cta { padding: 72px 0; }
  .final-cta .btn-white { height: 48px; padding: 0 20px; font-size: 15px; }
  .pricing-grid { gap: 16px; }
  .plan { padding: 24px; }
  .pricing-head { padding: 0 4px; }
  .bill-toggle { margin-bottom: 32px; }
  .cont-row { grid-template-columns: 24px 1fr 70px; font-size: 11.5px; }
  .cont-row .ph, .cont-row > div:nth-child(4) { display: none; }
  .cont-row.h > div:nth-child(3), .cont-row.h > div:nth-child(4) { display: none; }
  .feat-stage { min-height: 340px; }
  /* inner page */
  .page { padding-top: 88px; }
  .page-hero { padding: 24px 0 40px; }
  .page-hero h1 { font-size: 32px; }
  .page-section { padding: 48px 0; }
  .auth-form-side { padding: 48px 20px; }
  .auth-aside { padding: 40px 24px; }
  .f-grid, .cases, .docs-grid, .blog-grid { grid-template-columns: 1fr; }
  .form-row-2 { grid-template-columns: 1fr; }
  .uc-vis { padding: 20px; min-height: 240px; }
  .status-row { grid-template-columns: 1.4fr 1fr 70px; padding: 12px 14px; }
  .crumb { font-size: 11px; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: .01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: .15s !important;
  }
}