/* Niti Chat — marketing site styles. Minimal pastel, Helvetica. */

:root {
  --bg: #F7F6F1;
  --surface: #FFFFFF;
  --surface-2: #FBFAF5;
  --primary: #A8D5BA;
  --primary-dark: #7AB896;
  --primary-darker: #5C9A78;
  --primary-tint: #E8F3EC;
  --accent: #C9B8E8;
  --accent-tint: #EEE6F7;
  --peach: #F5C9A6;
  --sky: #B8D6E8;
  --text: #2C343A;
  --text-muted: #6B7580;
  --text-soft: #8A96A0;
  --border: #E5E3D9;
  --border-strong: #D3D0C3;
  --success: #8FC8A0;
  --warning: #E8C89A;
  --danger: #E8A8A8;
  --shadow-sm: 0 1px 2px rgba(44, 52, 58, 0.04);
  --shadow: 0 4px 16px rgba(44, 52, 58, 0.06);
  --shadow-lg: 0 12px 40px rgba(44, 52, 58, 0.08);
  --radius: 14px;
  --radius-sm: 10px;
  --radius-lg: 20px;
  --max-w: 1180px;
}

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

html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }

body {
  font-family: "Helvetica Neue", Helvetica, Arial, sans-serif;
  font-size: 16px;
  line-height: 1.55;
  color: var(--text);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

img, svg { max-width: 100%; display: block; }

a { color: var(--primary-darker); text-decoration: none; }
a:hover { color: var(--text); }

h1, h2, h3, h4 {
  font-weight: 700;
  letter-spacing: -0.015em;
  color: var(--text);
}

h1 { font-size: clamp(2.2rem, 5vw, 3.4rem); line-height: 1.1; }
h2 { font-size: clamp(1.7rem, 3.5vw, 2.3rem); line-height: 1.2; }
h3 { font-size: 1.15rem; line-height: 1.35; }

p { color: var(--text); }

.container {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0 24px;
}

.muted { color: var(--text-muted); }
.soft { color: var(--text-soft); }
.center { text-align: center; }

/* ─── Header ─────────────────────────────────────────── */
.site-header {
  position: sticky; top: 0; z-index: 50;
  background: rgba(247, 246, 241, 0.85);
  backdrop-filter: saturate(140%) blur(10px);
  -webkit-backdrop-filter: saturate(140%) blur(10px);
  border-bottom: 1px solid var(--border);
}
.site-header .inner {
  display: flex; align-items: center; justify-content: space-between;
  height: 66px;
}
.logo {
  display: inline-flex; align-items: center; gap: 10px;
  font-weight: 800; font-size: 1.05rem; color: var(--text);
  letter-spacing: -0.01em;
}
.logo-mark {
  width: 28px; height: 28px;
  border-radius: 9px;
  background: linear-gradient(135deg, var(--primary) 0%, var(--accent) 100%);
  display: inline-flex; align-items: center; justify-content: center;
  color: #fff; font-weight: 800; font-size: 14px;
  box-shadow: var(--shadow-sm);
}

/* ─── Animated brand (yarn-ball + wordmark) ──────────── */
.brand {
  --brand-color: #7AB896;
  --brand-color-dark: #5C9A78;
  position: relative;
  display: inline-flex; align-items: center; gap: 10px;
  font-weight: 800; font-size: 1.2rem; letter-spacing: -0.01em;
  color: var(--text);
  text-decoration: none;
}
.brand-yarn {
  width: 36px; height: 36px;
  position: relative; flex-shrink: 0;
  display: inline-block;
  /* yarn.jpg is 600x450 with the ball centered at (304, 225), diameter 260.
     Scale to 74x55 and offset so the ball lands in the 36px container with a
     small margin. multiply blend-mode hides the JPG's white background
     against the light page; border-radius clips any remaining corners. */
  background: url('/assets/img/yarn.jpg') no-repeat;
  background-size: 74px 55px;
  background-position: -19px -10px;
  border-radius: 50%;
  mix-blend-mode: multiply;
  filter:
    hue-rotate(var(--yarn-hue, 0deg))
    saturate(var(--yarn-sat, 0.82))
    brightness(var(--yarn-bri, 1.02));
}
.brand-yarn svg { display: none; }
.brand-text {
  color: var(--brand-color-dark);
  display: inline-block;
  white-space: nowrap;
}
.brand-text b { color: var(--text); font-weight: 800; }

/* Header: animated entrance (once on page load) */
.site-header .brand .brand-yarn {
  animation: yarn-drop 1.9s cubic-bezier(.4,.0,.3,1) 0.05s both;
  transform-origin: 50% 70%;
}
.site-header .brand .brand-text {
  clip-path: inset(0 100% 0 0);
  animation: brand-reveal 1s cubic-bezier(.22,.9,.36,1) 1.35s forwards;
}
@keyframes yarn-drop {
  /* Fall from above, one small bounce, then two gentle springs on the
     final landing. Cloth/yarn feel: subtle compression, modest rebound. */
  0%   { transform: translateY(-600px) rotate(-180deg); opacity: 0; }
  5%   { opacity: 1; }

  /* First impact — gentle squish */
  30%  { transform: translateY(0) rotate(-10deg) scale(1, 1); animation-timing-function: cubic-bezier(.2,0,.3,1); }
  34%  { transform: translateY(0) rotate(-8deg)  scale(1.09, 0.91); }
  38%  { transform: translateY(-1px) rotate(-4deg) scale(0.98, 1.02); }

  /* Single bounce peak (small) */
  54%  { transform: translateY(-14px) rotate(4deg) scale(1, 1); animation-timing-function: cubic-bezier(.5,0,.5,1); }

  /* Final landing */
  70%  { transform: translateY(0) rotate(8deg) scale(1, 1); animation-timing-function: cubic-bezier(.25,0,.3,1); }

  /* 1st spring — softer than before but still the stronger of the two */
  75%  { transform: translateY(0) rotate(8deg) scale(1.10, 0.90); }
  82%  { transform: translateY(-2px) rotate(8deg) scale(0.98, 1.02); }

  /* 2nd spring — barely noticeable */
  89%  { transform: translateY(0) rotate(8deg) scale(1.04, 0.96); }
  95%  { transform: translateY(-1px) rotate(8deg) scale(0.99, 1.01); }
  100% { transform: translateY(0) rotate(8deg) scale(1, 1); }
}
@keyframes brand-reveal {
  to { clip-path: inset(0 0 0 0); }
}

/* Hover on logo: slight wobble */
.brand:hover .brand-yarn {
  transform: rotate(-12deg) scale(1.05);
  transition: transform 0.3s ease;
}
.brand .brand-yarn { transition: transform 0.3s ease; }
.nav {
  display: flex; align-items: center; gap: 26px;
}
.nav a { color: var(--text-muted); font-size: 0.94rem; }
.nav a:hover { color: var(--text); }
.header-cta { display: flex; align-items: center; gap: 10px; }

.lang-switch {
  position: relative;
}
.lang-switch summary {
  list-style: none; cursor: pointer;
  font-size: 1.05rem; color: var(--text-muted);
  padding: 4px 10px; border: 1px solid var(--border);
  border-radius: 8px; background: var(--surface);
  display: inline-flex; align-items: center; gap: 6px;
  transition: border-color .15s ease, background .15s ease, transform .15s ease;
}
.lang-switch summary::-webkit-details-marker { display: none; }
.lang-switch summary:hover { background: var(--surface-2); border-color: var(--border-strong); transform: translateY(-1px); }
.lang-switch[open] summary { color: var(--text); border-color: var(--border-strong); }
.lang-switch .flag {
  font-size: 1.2rem; line-height: 1;
  display: inline-block; filter: drop-shadow(0 1px 1px rgba(0,0,0,0.06));
}
.lang-menu {
  position: absolute; top: 100%; right: 0; margin-top: 6px;
  background: var(--surface); border: 1px solid var(--border);
  border-radius: var(--radius-sm); box-shadow: var(--shadow);
  padding: 6px; min-width: 170px;
  z-index: 10;
}
.lang-menu a {
  display: flex; align-items: center; gap: 10px;
  padding: 8px 12px; border-radius: 8px;
  color: var(--text); font-size: 0.92rem;
}
.lang-menu a:hover { background: var(--surface-2); }

/* ─── Buttons ────────────────────────────────────────── */
.btn {
  display: inline-flex; align-items: center; justify-content: center;
  gap: 8px; padding: 11px 20px;
  border-radius: 10px; border: 1px solid transparent;
  font-family: inherit; font-size: 0.95rem; font-weight: 600;
  cursor: pointer;
  transition: background-color .2s ease, color .2s ease, border-color .2s ease,
              transform .18s cubic-bezier(.3,.8,.3,1.3), box-shadow .2s ease;
  text-decoration: none; line-height: 1;
  position: relative; overflow: hidden;
}
.btn::before {
  content: "";
  position: absolute; top: 0; left: -75%;
  width: 50%; height: 100%;
  background: linear-gradient(120deg, transparent, rgba(255,255,255,0.45), transparent);
  transform: skewX(-18deg);
  transition: left .65s cubic-bezier(.22,.9,.36,1);
  pointer-events: none;
}
.btn:hover::before { left: 130%; }
.btn:active { transform: translateY(0) scale(.98); }

.btn-primary {
  background: var(--primary-dark); color: #fff;
  box-shadow: 0 2px 6px rgba(92, 154, 120, 0.18);
}
.btn-primary:hover {
  background: var(--primary-darker); color: #fff;
  transform: translateY(-2px);
  box-shadow: 0 10px 24px rgba(92, 154, 120, 0.3);
}
.btn-ghost {
  background: var(--surface); color: var(--text);
  border-color: var(--border);
}
.btn-ghost:hover {
  background: var(--surface-2); border-color: var(--primary-dark);
  color: var(--primary-darker);
  transform: translateY(-2px);
  box-shadow: var(--shadow);
}
.btn-lg { padding: 14px 26px; font-size: 1rem; }
.btn-sm { padding: 8px 14px; font-size: 0.88rem; }

/* ─── Hero ───────────────────────────────────────────── */
.hero {
  padding: 90px 0 80px;
  position: relative; overflow: hidden;
}
.hero .inner {
  display: grid; grid-template-columns: 1.1fr 1fr;
  gap: 60px; align-items: center;
}
.eyebrow {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 6px 12px;
  background: var(--primary-tint); color: var(--primary-darker);
  border-radius: 999px; font-size: 0.82rem; font-weight: 600;
  margin-bottom: 22px;
}
.hero h1 { margin-bottom: 20px; }
.hero-sub {
  font-size: 1.15rem; color: var(--text-muted);
  margin-bottom: 32px; max-width: 540px;
}
.hero-cta { display: flex; gap: 12px; flex-wrap: wrap; }
.hero-meta {
  margin-top: 22px; display: flex; gap: 22px; flex-wrap: wrap;
  color: var(--text-soft); font-size: 0.88rem;
}
.hero-meta span::before {
  content: "✓"; color: var(--primary-darker); margin-right: 6px; font-weight: 700;
}

.hero-visual {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  padding: 22px;
  position: relative;
  /* Reserve generous space so the chat animation can't resize the block. */
  min-height: 460px;
}
.mock-window-bar {
  display: flex; align-items: center; gap: 6px;
  margin-bottom: 18px;
}
.mock-window-bar span {
  width: 10px; height: 10px; border-radius: 50%;
  background: var(--border-strong);
}
.mock-chat { display: flex; flex-direction: column; gap: 10px; position: relative; }
.mock-bubble {
  max-width: 78%; padding: 10px 14px; border-radius: 14px;
  font-size: 0.92rem; line-height: 1.5;
}
.mock-client {
  align-self: flex-end; background: var(--primary-tint);
  color: var(--text); border-bottom-right-radius: 4px;
}
.mock-ai {
  align-self: flex-start; background: var(--surface-2);
  color: var(--text); border: 1px solid var(--border);
  border-bottom-left-radius: 4px;
}
.mock-ai-tag {
  display: inline-block; font-size: 0.7rem; font-weight: 700;
  color: var(--accent); letter-spacing: 0.05em; margin-bottom: 4px;
}
.mock-file {
  display: flex; align-items: center; gap: 10px;
  padding: 10px 12px; background: var(--primary-tint);
  border-radius: 10px; font-size: 0.85rem;
  color: var(--text); align-self: flex-end; max-width: 78%;
}
.mock-file-icon {
  width: 32px; height: 32px; flex-shrink: 0;
  background: var(--primary-dark); color: #fff;
  border-radius: 8px; display: inline-flex;
  align-items: center; justify-content: center; font-size: 0.7rem; font-weight: 700;
}

/* ─── Sections ───────────────────────────────────────── */
.section {
  padding: 80px 0;
}
.section-head {
  text-align: center; max-width: 680px; margin: 0 auto 54px;
}
.section-head h2 { margin-bottom: 12px; }
.section-head p { color: var(--text-muted); font-size: 1.05rem; }

/* ─── Features grid ──────────────────────────────────── */
.features {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 22px;
}
.feature-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 26px;
  transition: transform .15s, box-shadow .15s;
}
.feature-card:hover {
  transform: translateY(-2px); box-shadow: var(--shadow);
}
.feature-icon {
  width: 42px; height: 42px; border-radius: 10px;
  background: var(--primary-tint); color: var(--primary-darker);
  display: inline-flex; align-items: center; justify-content: center;
  font-size: 22px; margin-bottom: 16px;
}
.feature-card.accent .feature-icon { background: var(--accent-tint); color: #7D5FA8; }
.feature-card.peach .feature-icon  { background: #FBEEDE; color: #C08A4E; }
.feature-card.sky   .feature-icon  { background: #E0ECF4; color: #4A7A96; }
.feature-card h3 { margin-bottom: 8px; }
.feature-card p { color: var(--text-muted); font-size: 0.95rem; }

/* ─── How it works ───────────────────────────────────── */
.steps {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 22px;
  counter-reset: step;
}
.step {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 26px;
  position: relative;
}
.step::before {
  counter-increment: step;
  content: counter(step);
  position: absolute; top: -14px; left: 24px;
  width: 32px; height: 32px; border-radius: 50%;
  background: var(--primary-dark); color: #fff;
  display: inline-flex; align-items: center; justify-content: center;
  font-weight: 700; font-size: 0.9rem;
  box-shadow: var(--shadow-sm);
}
.step h3 { margin: 8px 0 6px; }
.step p { color: var(--text-muted); font-size: 0.95rem; }

/* ─── Numbers strip ──────────────────────────────────── */
.numbers {
  background: var(--primary-tint);
  border-radius: var(--radius-lg);
  padding: 40px 30px;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
  text-align: center;
}
.num-value {
  font-size: 2.3rem; font-weight: 800;
  color: var(--primary-darker); line-height: 1;
}
.num-label { color: var(--text-muted); font-size: 0.92rem; margin-top: 6px; }

/* ─── AI highlight ───────────────────────────────────── */
.ai-highlight {
  background: linear-gradient(135deg, var(--primary-tint) 0%, var(--accent-tint) 100%);
  border-radius: var(--radius-lg);
  padding: 60px;
  display: grid; grid-template-columns: 1fr 1fr;
  gap: 50px; align-items: center;
}
.ai-highlight h2 { margin-bottom: 14px; }
.ai-highlight ul { list-style: none; padding: 0; margin-top: 18px; }
.ai-highlight li {
  padding: 8px 0; color: var(--text); font-size: 0.98rem;
}
.ai-highlight li::before {
  content: "◆"; color: var(--primary-darker); margin-right: 10px;
}

/* ─── Pricing ────────────────────────────────────────── */
.pricing-grid {
  display: grid; grid-template-columns: repeat(3, 1fr);
  gap: 22px; align-items: stretch;
}
.price-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 34px 28px;
  display: flex; flex-direction: column;
  position: relative;
}
.price-card.featured {
  border-color: var(--primary-dark);
  box-shadow: var(--shadow);
}
.price-badge {
  position: absolute; top: -11px; right: 22px;
  background: var(--primary-dark); color: #fff;
  padding: 4px 12px; border-radius: 999px;
  font-size: 0.75rem; font-weight: 700; letter-spacing: 0.03em;
}
.price-plan { font-size: 0.88rem; font-weight: 700; color: var(--text-muted); text-transform: uppercase; letter-spacing: 0.06em; }
.price-value { font-size: 2.4rem; font-weight: 800; margin: 14px 0 2px; }
.price-note { color: var(--text-soft); font-size: 0.88rem; margin-bottom: 22px; }
.price-list { list-style: none; padding: 0; margin-bottom: 24px; flex: 1; }
.price-list li {
  padding: 8px 0; color: var(--text); font-size: 0.95rem;
  border-bottom: 1px dashed var(--border);
}
.price-list li:last-child { border-bottom: none; }
.price-list li::before { content: "✓"; color: var(--primary-darker); margin-right: 10px; font-weight: 700; }
.price-list li.off { color: var(--text-soft); }
.price-list li.off::before { content: "—"; color: var(--text-soft); }

/* ─── FAQ ────────────────────────────────────────────── */
.faq { max-width: 820px; margin: 0 auto; }
.faq details {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 0; margin-bottom: 10px;
}
.faq summary {
  padding: 18px 22px;
  cursor: pointer;
  font-weight: 600; color: var(--text);
  list-style: none; position: relative;
}
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after {
  content: "+"; position: absolute; right: 22px; top: 16px;
  font-size: 1.4rem; color: var(--text-muted); transition: transform .2s;
}
.faq details[open] summary::after { content: "–"; }
.faq details > div {
  padding: 0 22px 18px; color: var(--text-muted); font-size: 0.96rem;
}

/* ─── CTA strip ──────────────────────────────────────── */
.cta-strip {
  background: var(--primary-dark);
  border-radius: var(--radius-lg);
  padding: 54px 40px;
  color: #fff;
  text-align: center;
}
.cta-strip h2 { color: #fff; margin-bottom: 12px; }
.cta-strip p { color: rgba(255, 255, 255, 0.88); margin-bottom: 26px; }
.cta-strip .btn-primary {
  background: #fff; color: var(--primary-darker);
}
.cta-strip .btn-primary:hover {
  background: var(--primary-tint); color: var(--primary-darker);
}

/* ─── Footer ─────────────────────────────────────────── */
.site-footer {
  background: var(--surface-2);
  border-top: 1px solid var(--border);
  padding: 60px 0 30px;
  margin-top: 40px;
}
.footer-grid {
  display: grid; grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 40px; margin-bottom: 40px;
}
.footer-grid h4 {
  font-size: 0.84rem; text-transform: uppercase;
  letter-spacing: 0.06em; color: var(--text-muted);
  margin-bottom: 14px;
}
.footer-grid ul { list-style: none; padding: 0; }
.footer-grid li { margin-bottom: 8px; }
.footer-grid a { color: var(--text); font-size: 0.94rem; }
.footer-grid a:hover { color: var(--primary-darker); }
.footer-brand p {
  color: var(--text-muted); font-size: 0.92rem;
  margin-top: 10px; max-width: 320px;
}
.footer-bottom {
  display: flex; justify-content: space-between;
  padding-top: 24px; border-top: 1px solid var(--border);
  color: var(--text-soft); font-size: 0.86rem;
  flex-wrap: wrap; gap: 12px;
}

/* ─── Cookie banner ──────────────────────────────────── */
.cookie {
  position: fixed; left: 20px; right: 20px; bottom: 20px;
  max-width: 540px; margin: 0 auto;
  background: var(--surface);
  border: 1px solid var(--border-strong);
  border-radius: var(--radius);
  box-shadow: var(--shadow-lg);
  padding: 18px 20px;
  display: flex; gap: 14px; align-items: center;
  font-size: 0.9rem;
  z-index: 100;
}
.cookie[hidden] { display: none; }
.cookie p { margin: 0; color: var(--text-muted); flex: 1; }
.cookie .btn { flex-shrink: 0; }

/* ─── Scroll reveal ──────────────────────────────────── */
.reveal {
  opacity: 0; transform: translateY(28px);
  transition: opacity .75s cubic-bezier(.22,.9,.36,1), transform .75s cubic-bezier(.22,.9,.36,1);
  will-change: opacity, transform;
}
.reveal.in-view { opacity: 1; transform: none; }
.reveal.delay-1 { transition-delay: .12s; }
.reveal.delay-2 { transition-delay: .24s; }
.reveal.delay-3 { transition-delay: .36s; }
@media (prefers-reduced-motion: reduce) {
  .reveal { opacity: 1; transform: none; transition: none; }
  .site-header .brand .brand-yarn,
  .site-header .brand .brand-text { animation: none !important; clip-path: none !important; }
}

/* ─── Mock-chat typing ───────────────────────────────── */
.mock-chat[data-typing] .mock-bubble,
.mock-chat[data-typing] .mock-file {
  opacity: 0; transform: translateY(10px);
}
.mock-chat.chat-playing .mock-bubble,
.mock-chat.chat-playing .mock-file {
  animation: bubble-in 0.5s cubic-bezier(.22,.9,.36,1.05) forwards;
}
@keyframes bubble-in {
  from { opacity: 0; transform: translateY(12px); }
  to   { opacity: 1; transform: translateY(0); }
}
.typing-dots {
  display: inline-flex; gap: 4px; align-items: center;
  padding: 12px 14px;
  background: var(--surface-2); border: 1px solid var(--border);
  border-radius: 14px; border-bottom-left-radius: 4px;
  align-self: flex-start; max-width: 70px;
  animation: bubble-in 0.4s cubic-bezier(.22,.9,.36,1.05) forwards;
}
/* Overlay variant: sits inside the AI bubble so it doesn't push layout. */
.typing-overlay {
  position: absolute; top: 0; left: 0;
  transition: opacity .18s ease;
  animation: none;
}
.typing-dots span {
  width: 6px; height: 6px; border-radius: 50%;
  background: var(--text-soft);
  animation: typing-bounce 1.2s ease-in-out infinite;
}
.typing-dots span:nth-child(2) { animation-delay: .15s; }
.typing-dots span:nth-child(3) { animation-delay: .3s; }
@keyframes typing-bounce {
  0%, 60%, 100% { transform: translateY(0); opacity: .5; }
  30% { transform: translateY(-4px); opacity: 1; }
}

/* ─── Responsive ─────────────────────────────────────── */
@media (max-width: 900px) {
  .hero { padding: 56px 0 48px; }
  .hero .inner { grid-template-columns: 1fr; gap: 40px; text-align: center; }
  .hero .inner > div:first-child { display: flex; flex-direction: column; align-items: center; }
  .hero-sub { margin-left: auto; margin-right: auto; }
  .hero-cta { justify-content: center; }
  .hero-meta { justify-content: center; }
  .hero-visual { max-width: 520px; margin: 0 auto; }
  .features, .steps, .pricing-grid { grid-template-columns: 1fr; }
  .feature-card { text-align: center; }
  .feature-icon { margin-left: auto; margin-right: auto; }
  .step-num { margin-left: auto; margin-right: auto; }
  .numbers { grid-template-columns: repeat(2, 1fr); padding: 30px 20px; text-align: center; }
  .ai-highlight { grid-template-columns: 1fr; padding: 36px; gap: 28px; text-align: center; }
  .ai-highlight ul { text-align: left; max-width: 440px; margin-left: auto; margin-right: auto; }
  .section-head { margin-left: auto; margin-right: auto; }
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 28px; text-align: center; justify-items: center; }
  .footer-grid > div { width: 100%; display: flex; flex-direction: column; align-items: center; }
  .footer-grid ul { width: auto; }
  .footer-brand { grid-column: 1 / -1; align-items: center; }
  .footer-brand p { margin-left: auto; margin-right: auto; text-align: center; }
  .footer-brand .logo, .footer-brand .brand { justify-content: center; }
  .footer-bottom { justify-content: center; text-align: center; }
  .footer-bottom > div { width: 100%; }
  .nav { display: none; }
  .section { padding: 54px 0; }
  .site-header .inner { padding: 0 16px; }
  .header-cta { gap: 6px; }
  .lang-switch { display: none; }
  .container { padding: 0 18px; }
  h1 { word-break: break-word; }
}
@media (max-width: 500px) {
  .hero { padding: 44px 0 40px; }
  .hero h1 br { display: none; }
  .hero-cta { flex-direction: column; align-items: stretch; width: 100%; }
  .hero-cta .btn { width: 100%; justify-content: center; }
  .hero-meta { flex-direction: column; gap: 8px; align-items: center; }
  .hero-visual { padding: 16px; }
  .mock-bubble, .mock-file { max-width: 92%; }
  .section { padding: 44px 0; }
  .section-head { margin-bottom: 36px; }
  .numbers { grid-template-columns: 1fr 1fr; gap: 16px; padding: 24px 14px; }
  .footer-grid { grid-template-columns: 1fr; text-align: center; }
  .footer-brand { grid-column: auto; }
  .btn-lg { padding: 14px 22px; font-size: 1rem; }
  .header-cta .btn-sm { padding: 6px 12px; font-size: 0.82rem; }
  .feature-card { padding: 22px 18px; }
  .ai-highlight { padding: 28px 20px; }
  .pricing-card { padding: 28px 22px; }
}