/* ============================================================
   Intelvia — Landing Page v2 (Production)
   Clean, professional, B2B SaaS landing
   ============================================================ */

/* --- Self-hosted Inter Font (DSGVO-konform) --- */
@font-face {
  font-family: 'Inter';
  font-style: normal;
  font-weight: 400;
  font-display: swap;
  src: url('./fonts/inter-latin-400.woff2') format('woff2');
  unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD;
}
@font-face {
  font-family: 'Inter';
  font-style: normal;
  font-weight: 600;
  font-display: swap;
  src: url('./fonts/inter-latin-600.woff2') format('woff2');
  unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD;
}
@font-face {
  font-family: 'Inter';
  font-style: normal;
  font-weight: 700;
  font-display: swap;
  src: url('./fonts/inter-latin-700.woff2') format('woff2');
  unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD;
}

/* --- Design Tokens --- */
:root {
  --bg: #060a12;
  --bg2: #0c1220;
  --bg3: #111827;
  --surface: rgba(255,255,255,.04);
  --surface2: rgba(255,255,255,.07);
  --surface3: rgba(255,255,255,.10);
  --text: rgba(255,255,255,.92);
  --text-secondary: rgba(255,255,255,.64);
  --text-muted: rgba(255,255,255,.48);
  --border: rgba(255,255,255,.08);
  --border-hover: rgba(255,255,255,.16);
  --accent: #3dd2ca;
  --accent-dim: #1a9e98;
  --accent-glow: rgba(61,210,202,.15);
  --accent-glow2: rgba(61,210,202,.08);
  --radius-sm: 10px;
  --radius: 14px;
  --radius-lg: 20px;
  --radius-xl: 28px;
  --max-w: 1120px;
  --transition: .2s cubic-bezier(.4,0,.2,1);
  --shadow-sm: 0 2px 8px rgba(0,0,0,.2);
  --shadow: 0 8px 32px rgba(0,0,0,.3);
  --shadow-lg: 0 24px 64px rgba(0,0,0,.4);
  --font: 'Inter', ui-sans-serif, system-ui, -apple-system, 'Segoe UI', Roboto, sans-serif;
}

/* --- Reset --- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; -webkit-font-smoothing: antialiased; -moz-osx-font-smoothing: grayscale; }

body {
  font-family: var(--font);
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
  overflow-x: hidden;
}

a { color: inherit; text-decoration: none; }
img { max-width: 100%; height: auto; display: block; }
button { font-family: inherit; cursor: pointer; border: none; background: none; color: inherit; }

/* --- Utility --- */
.container { width: min(var(--max-w), calc(100% - 48px)); margin: 0 auto; }
.sr-only { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0,0,0,0); border: 0; }
.grad-text { background: linear-gradient(135deg, var(--accent), var(--accent-dim), #7eeee8); -webkit-background-clip: text; background-clip: text; color: transparent; }
.section { padding: 96px 0; }
.section-sm { padding: 64px 0; }

/* --- Background Patterns --- */
body::before {
  content: '';
  position: fixed;
  inset: 0;
  background:
    radial-gradient(ellipse 1000px 600px at 10% -5%, var(--accent-glow), transparent),
    radial-gradient(ellipse 800px 500px at 90% 10%, var(--accent-glow2), transparent);
  pointer-events: none;
  z-index: 0;
}

/* --- Typography --- */
h1, h2, h3, h4 { line-height: 1.15; letter-spacing: -.02em; font-weight: 700; }
h1 { font-size: clamp(2.5rem, 5vw, 3.75rem); }
h2 { font-size: clamp(1.75rem, 3.5vw, 2.5rem); margin-bottom: 16px; }
h3 { font-size: 1.25rem; margin-bottom: 8px; }
.subtitle { font-size: 1.125rem; color: var(--text-secondary); max-width: 600px; line-height: 1.7; }
.overline { font-size: .75rem; font-weight: 700; letter-spacing: .14em; text-transform: uppercase; color: var(--accent); margin-bottom: 12px; }

/* --- Buttons --- */
.btn {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 14px 28px;
  border-radius: var(--radius);
  font-size: .9375rem;
  font-weight: 600;
  transition: all var(--transition);
  border: 1px solid transparent;
  white-space: nowrap;
}
.btn:active { transform: translateY(1px); }
.btn-primary {
  background: linear-gradient(135deg, var(--accent), var(--accent-dim));
  color: #fff;
  box-shadow: 0 8px 24px rgba(61,210,202,.25);
}
.btn-primary:hover { box-shadow: 0 12px 36px rgba(61,210,202,.35); transform: translateY(-1px); }
.btn-secondary {
  background: var(--surface2);
  color: var(--text);
  border-color: var(--border);
}
.btn-secondary:hover { background: var(--surface3); border-color: var(--border-hover); }
.btn-ghost {
  background: transparent;
  color: var(--text-secondary);
  border-color: var(--border);
}
.btn-ghost:hover { background: var(--surface); color: var(--text); border-color: var(--border-hover); }

/* --- Header --- */
.header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(6,10,18,.85);
  backdrop-filter: blur(20px) saturate(1.4);
  -webkit-backdrop-filter: blur(20px) saturate(1.4);
  border-bottom: 1px solid var(--border);
  transition: background var(--transition);
}
.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 64px;
}
.logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 800;
  font-size: 1.125rem;
  letter-spacing: -.01em;
}
.logo-mark {
  width: 32px; height: 32px;
  border-radius: 10px;
  background: linear-gradient(135deg, var(--accent), var(--accent-dim));
  display: grid; place-items: center;
  box-shadow: 0 4px 16px rgba(61,210,202,.2);
}
.logo-mark svg { width: 18px; height: 18px; color: #fff; }

/* Desktop Nav */
.nav-links {
  display: flex;
  gap: 4px;
  list-style: none;
}
.nav-links a {
  padding: 8px 16px;
  border-radius: var(--radius-sm);
  font-size: .875rem;
  font-weight: 500;
  color: var(--text-secondary);
  transition: all var(--transition);
}
.nav-links a:hover { color: var(--text); background: var(--surface2); }

.header-actions { display: flex; gap: 8px; align-items: center; }
.header-actions .btn { padding: 10px 20px; font-size: .8125rem; }

/* Hamburger */
.hamburger {
  display: none;
  width: 40px; height: 40px;
  align-items: center; justify-content: center;
  border-radius: var(--radius-sm);
  transition: background var(--transition);
}
.hamburger:hover { background: var(--surface2); }
.hamburger svg { width: 22px; height: 22px; }
.hamburger .icon-close { display: none; }
.hamburger.is-open .icon-menu { display: none; }
.hamburger.is-open .icon-close { display: block; }

/* Mobile Nav */
.mobile-nav {
  display: none;
  position: fixed;
  inset: 64px 0 0;
  background: rgba(6,10,18,.97);
  backdrop-filter: blur(24px);
  -webkit-backdrop-filter: blur(24px);
  z-index: 99;
  padding: 24px;
  flex-direction: column;
  gap: 8px;
  overflow-y: auto;
}
.mobile-nav.is-open { display: flex; }
.mobile-nav a {
  display: block;
  padding: 14px 16px;
  border-radius: var(--radius);
  font-size: 1rem;
  font-weight: 500;
  color: var(--text-secondary);
  transition: all var(--transition);
}
.mobile-nav a:hover { background: var(--surface2); color: var(--text); }
.mobile-nav .btn { margin-top: 16px; justify-content: center; }

/* Language Bar */
.lang-bar {
  display: flex;
  gap: 4px;
  padding: 4px;
  border-radius: 999px;
  background: var(--surface);
  border: 1px solid var(--border);
}
.lang-bar a {
  padding: 6px 10px;
  border-radius: 999px;
  font-size: .6875rem;
  font-weight: 600;
  letter-spacing: .06em;
  text-transform: uppercase;
  color: var(--text-muted);
  transition: all var(--transition);
}
.lang-bar a:hover { color: var(--text); background: var(--surface2); }
.lang-bar a.is-active { color: var(--text); background: var(--surface3); }

/* --- Hero --- */
.hero {
  padding: 80px 0 48px;
  position: relative;
}
.hero-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
  align-items: center;
}
.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 16px;
  border-radius: 999px;
  background: var(--surface2);
  border: 1px solid var(--border);
  font-size: .8125rem;
  font-weight: 600;
  color: var(--text-secondary);
  margin-bottom: 20px;
}
.hero-badge .dot { width: 8px; height: 8px; border-radius: 50%; background: #34d399; box-shadow: 0 0 8px rgba(52,211,153,.4); }
.hero h1 { margin-bottom: 20px; }
.hero .subtitle { margin-bottom: 32px; }
.hero-btns { display: flex; gap: 12px; flex-wrap: wrap; margin-bottom: 40px; }
.hero-stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
}
.stat-card {
  padding: 20px;
  border-radius: var(--radius);
  background: var(--surface);
  border: 1px solid var(--border);
}
.stat-value { font-size: 1.5rem; font-weight: 800; margin-bottom: 4px; }
.stat-label { font-size: .8125rem; color: var(--text-muted); }

/* Hero Visual */
.hero-visual {
  position: relative;
  display: flex;
  justify-content: center;
}
.hero-phone {
  width: 300px;
  border-radius: var(--radius-xl);
  background: var(--bg3);
  border: 1px solid var(--border);
  box-shadow: var(--shadow-lg);
  overflow: hidden;
  position: relative;
}
.phone-header {
  padding: 20px 20px 16px;
  border-bottom: 1px solid var(--border);
  text-align: center;
}
.phone-avatar {
  width: 56px; height: 56px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--accent), var(--accent-dim));
  margin: 0 auto 12px;
  display: grid; place-items: center;
  box-shadow: 0 8px 24px rgba(61,210,202,.2);
}
.phone-avatar svg { width: 28px; height: 28px; color: #fff; }
.phone-name { font-weight: 700; font-size: .9375rem; }
.phone-status { font-size: .75rem; color: var(--accent); margin-top: 4px; display: flex; align-items: center; justify-content: center; gap: 6px; }
.phone-status .dot { width: 6px; height: 6px; border-radius: 50%; background: var(--accent); animation: pulse-dot 2s infinite; }
@keyframes pulse-dot { 0%,100% { opacity: 1; } 50% { opacity: .4; } }

.phone-chat {
  padding: 16px;
  display: flex;
  flex-direction: column;
  gap: 12px;
  min-height: 260px;
}
.chat-msg {
  max-width: 85%;
  padding: 12px 16px;
  border-radius: 18px;
  font-size: .8125rem;
  line-height: 1.5;
  animation: msg-in .4s ease both;
}
@keyframes msg-in { from { opacity: 0; transform: translateY(8px); } to { opacity: 1; transform: none; } }
.chat-msg.agent { background: var(--surface3); border-bottom-left-radius: 4px; align-self: flex-start; }
.chat-msg.user { background: linear-gradient(135deg, rgba(61,210,202,.18), rgba(26,158,152,.12)); border: 1px solid rgba(61,210,202,.15); border-bottom-right-radius: 4px; align-self: flex-end; }

.phone-wave {
  display: flex; gap: 3px;
  align-items: center;
  justify-content: center;
  padding: 16px;
  border-top: 1px solid var(--border);
}
.phone-wave span {
  width: 3px;
  height: 16px;
  border-radius: 999px;
  background: var(--accent);
  opacity: .5;
  animation: wave 1.2s ease-in-out infinite;
}
.phone-wave span:nth-child(2) { animation-delay: .1s; }
.phone-wave span:nth-child(3) { animation-delay: .2s; }
.phone-wave span:nth-child(4) { animation-delay: .3s; }
.phone-wave span:nth-child(5) { animation-delay: .4s; }
.phone-wave span:nth-child(6) { animation-delay: .5s; }
.phone-wave span:nth-child(7) { animation-delay: .6s; }
@keyframes wave { 0%,100% { height: 6px; opacity: .3; } 50% { height: 20px; opacity: .8; } }

/* --- Demo Section --- */
.demo-container {
  display: grid;
  grid-template-columns: 280px 1fr;
  gap: 24px;
  max-width: 860px;
  margin: 0 auto;
}
.demo-scenarios {
  display: flex;
  flex-direction: column;
  gap: 8px;
}
.demo-tab {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 16px 20px;
  border-radius: var(--radius);
  background: var(--surface);
  border: 1px solid var(--border);
  font-size: .875rem;
  font-weight: 600;
  color: var(--text-secondary);
  text-align: left;
  transition: all var(--transition);
}
.demo-tab:hover { background: var(--surface2); color: var(--text); border-color: var(--border-hover); }
.demo-tab.is-active { background: var(--accent-glow); border-color: rgba(61,210,202,.25); color: var(--accent); }
.demo-tab svg { flex-shrink: 0; }

.demo-player { display: flex; justify-content: center; }
.demo-phone {
  width: 100%;
  max-width: 420px;
  border-radius: var(--radius-xl);
  background: var(--bg3);
  border: 1px solid var(--border);
  box-shadow: var(--shadow-lg);
  overflow: hidden;
}
.demo-phone-top {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 20px;
  border-bottom: 1px solid var(--border);
}
.demo-transcript {
  padding: 20px;
  min-height: 280px;
  max-height: 340px;
  overflow-y: auto;
  display: flex;
  flex-direction: column;
  gap: 12px;
}
.demo-msg {
  max-width: 85%;
  padding: 12px 16px;
  border-radius: 18px;
  font-size: .8125rem;
  line-height: 1.5;
  opacity: 0;
  transform: translateY(8px);
  transition: opacity .4s ease, transform .4s ease;
}
.demo-msg.is-visible { opacity: 1; transform: none; }
.demo-msg.agent { background: var(--surface3); border-bottom-left-radius: 4px; align-self: flex-start; }
.demo-msg.user { background: linear-gradient(135deg, rgba(61,210,202,.18), rgba(26,158,152,.12)); border: 1px solid rgba(61,210,202,.15); border-bottom-right-radius: 4px; align-self: flex-end; }
.demo-typing {
  display: flex; gap: 4px; padding: 14px 16px;
  background: var(--surface3); border-radius: 18px; border-bottom-left-radius: 4px;
  align-self: flex-start; max-width: 80px;
}
.demo-typing span {
  width: 6px; height: 6px; border-radius: 50%; background: var(--text-muted);
  animation: typing-dot .8s infinite;
}
.demo-typing span:nth-child(2) { animation-delay: .15s; }
.demo-typing span:nth-child(3) { animation-delay: .3s; }
@keyframes typing-dot { 0%,100% { opacity: .3; } 50% { opacity: 1; } }

.demo-controls { padding: 16px 20px; border-top: 1px solid var(--border); }

@media (max-width: 768px) {
  .demo-container { grid-template-columns: 1fr; }
  .demo-scenarios { flex-direction: row; overflow-x: auto; gap: 8px; padding-bottom: 4px; }
  .demo-tab { white-space: nowrap; padding: 12px 16px; font-size: .8125rem; }
}

/* --- Trust Bar --- */
.trust-bar {
  padding: 48px 0;
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}
.trust-inner {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 48px;
  flex-wrap: wrap;
}
.trust-item {
  display: flex;
  align-items: center;
  gap: 10px;
  color: var(--text-muted);
  font-size: .875rem;
  font-weight: 600;
}
.trust-item svg { width: 20px; height: 20px; color: var(--accent); flex-shrink: 0; }

/* --- Features Grid --- */
.features-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}
.feature-card {
  padding: 32px;
  border-radius: var(--radius-lg);
  background: var(--surface);
  border: 1px solid var(--border);
  transition: all var(--transition);
}
.feature-card:hover { border-color: var(--border-hover); background: var(--surface2); transform: translateY(-2px); }
.feature-icon {
  width: 48px;
  height: 48px;
  border-radius: 14px;
  background: var(--accent-glow);
  border: 1px solid rgba(61,210,202,.15);
  display: grid;
  place-items: center;
  margin-bottom: 20px;
}
.feature-icon svg { width: 22px; height: 22px; color: var(--accent); }
.feature-card h3 { font-size: 1.0625rem; margin-bottom: 8px; }
.feature-card p { font-size: .875rem; color: var(--text-secondary); line-height: 1.65; }

/* --- Use Cases --- */
.usecases-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 20px;
}
.usecase-card {
  padding: 28px;
  border-radius: var(--radius-lg);
  background: var(--surface);
  border: 1px solid var(--border);
  display: flex;
  gap: 20px;
  align-items: flex-start;
  transition: all var(--transition);
}
.usecase-card:hover { border-color: var(--border-hover); }
.usecase-icon {
  width: 44px; height: 44px;
  border-radius: 12px;
  background: var(--accent-glow);
  border: 1px solid rgba(61,210,202,.12);
  display: grid; place-items: center;
  flex-shrink: 0;
}
.usecase-icon svg { width: 20px; height: 20px; color: var(--accent); }
.usecase-card h3 { font-size: .9375rem; margin-bottom: 6px; }
.usecase-card p { font-size: .8125rem; color: var(--text-secondary); line-height: 1.6; }

/* --- Process / Steps --- */
.steps {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
  counter-reset: step;
}
.step {
  text-align: center;
  padding: 32px 20px;
  border-radius: var(--radius-lg);
  background: var(--surface);
  border: 1px solid var(--border);
  position: relative;
  counter-increment: step;
}
.step::before {
  content: counter(step);
  display: grid; place-items: center;
  width: 40px; height: 40px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--accent), var(--accent-dim));
  color: #fff;
  font-weight: 800;
  font-size: .875rem;
  margin: 0 auto 16px;
  box-shadow: 0 4px 16px rgba(61,210,202,.2);
}
.step h3 { font-size: .9375rem; margin-bottom: 8px; }
.step p { font-size: .8125rem; color: var(--text-secondary); line-height: 1.6; }

/* --- Comparison Table --- */
.compare-table {
  border-radius: var(--radius-lg);
  background: var(--surface);
  border: 1px solid var(--border);
  overflow: hidden;
}
.compare-head {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr;
  padding: 16px 24px;
  background: var(--surface2);
  font-weight: 700;
  font-size: .8125rem;
  text-transform: uppercase;
  letter-spacing: .08em;
  color: var(--text-muted);
}
.compare-row {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr;
  padding: 14px 24px;
  border-top: 1px solid var(--border);
  font-size: .875rem;
  align-items: center;
}
.compare-row:hover { background: var(--surface); }
.compare-feature { color: var(--text-secondary); }
.compare-check { color: var(--accent); font-weight: 700; }
.compare-x { color: var(--text-muted); }

/* --- Testimonials --- */
.testimonials-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}
.testimonial-card {
  padding: 28px;
  border-radius: var(--radius-lg);
  background: var(--surface);
  border: 1px solid var(--border);
}
.testimonial-stars { display: flex; gap: 2px; margin-bottom: 16px; }
.testimonial-stars svg { width: 16px; height: 16px; color: #fbbf24; }
.testimonial-text { font-size: .9375rem; color: var(--text-secondary); line-height: 1.7; margin-bottom: 20px; font-style: italic; }
.testimonial-author { display: flex; align-items: center; gap: 12px; }
.testimonial-avatar {
  width: 40px; height: 40px;
  border-radius: 50%;
  background: var(--surface3);
  display: grid; place-items: center;
  font-weight: 700;
  font-size: .8125rem;
  color: var(--accent);
}
.testimonial-name { font-weight: 700; font-size: .875rem; }
.testimonial-role { font-size: .75rem; color: var(--text-muted); }

/* --- ROI Calculator --- */
.roi-card {
  max-width: 720px;
  margin: 0 auto;
  padding: 40px;
  border-radius: var(--radius-xl);
  background: var(--surface);
  border: 1px solid var(--border);
}
.roi-inputs {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
  margin-bottom: 32px;
}
.roi-field label {
  display: block;
  font-size: .8125rem;
  font-weight: 600;
  color: var(--text-secondary);
  margin-bottom: 8px;
}
.roi-field input {
  width: 100%;
  padding: 12px 16px;
  border-radius: var(--radius);
  border: 1px solid var(--border);
  background: var(--bg3);
  color: var(--text);
  font-size: 1rem;
  font-family: var(--font);
  transition: border-color var(--transition);
}
.roi-field input:focus { outline: none; border-color: var(--accent); }
.roi-results {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
  padding-top: 24px;
  border-top: 1px solid var(--border);
}
.roi-stat { text-align: center; }
.roi-stat .value { font-size: 1.5rem; font-weight: 800; color: var(--accent); }
.roi-stat .label { font-size: .75rem; color: var(--text-muted); margin-top: 4px; }

/* --- FAQ --- */
.faq-list { max-width: 720px; margin: 0 auto; }
.faq-item {
  border-bottom: 1px solid var(--border);
}
.faq-question {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 20px 0;
  font-size: 1rem;
  font-weight: 600;
  color: var(--text);
  text-align: left;
  transition: color var(--transition);
}
.faq-question:hover { color: var(--accent); }
.faq-question svg {
  width: 20px; height: 20px;
  flex-shrink: 0;
  transition: transform .3s ease;
  color: var(--text-muted);
}
.faq-item.is-open .faq-question svg { transform: rotate(45deg); }
.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height .3s ease, padding .3s ease;
}
.faq-item.is-open .faq-answer { max-height: 300px; }
.faq-answer p {
  padding: 0 0 20px;
  font-size: .9375rem;
  color: var(--text-secondary);
  line-height: 1.7;
}

/* --- Contact --- */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
  align-items: start;
}
.contact-form {
  display: flex;
  flex-direction: column;
  gap: 16px;
}
.form-group label {
  display: block;
  font-size: .8125rem;
  font-weight: 600;
  color: var(--text-secondary);
  margin-bottom: 8px;
}
.form-group input,
.form-group textarea,
.form-group select {
  width: 100%;
  padding: 14px 16px;
  border-radius: var(--radius);
  border: 1px solid var(--border);
  background: var(--surface);
  color: var(--text);
  font-size: .9375rem;
  font-family: var(--font);
  transition: border-color var(--transition);
  resize: vertical;
}
.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus { outline: none; border-color: var(--accent); }
.form-group textarea { min-height: 120px; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }

.contact-info { display: flex; flex-direction: column; gap: 24px; }
.contact-item { display: flex; gap: 16px; align-items: flex-start; }
.contact-item-icon {
  width: 44px; height: 44px;
  border-radius: 12px;
  background: var(--accent-glow);
  border: 1px solid rgba(61,210,202,.12);
  display: grid; place-items: center;
  flex-shrink: 0;
}
.contact-item-icon svg { width: 20px; height: 20px; color: var(--accent); }
.contact-item h4 { font-size: .875rem; margin-bottom: 4px; }
.contact-item p { font-size: .875rem; color: var(--text-secondary); }

/* --- CTA Band --- */
.cta-band {
  padding: 80px 0;
  text-align: center;
  position: relative;
}
.cta-band::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse 600px 300px at 50% 50%, var(--accent-glow), transparent);
  pointer-events: none;
}
.cta-band h2 { margin-bottom: 16px; }
.cta-band .subtitle { margin: 0 auto 32px; text-align: center; }
.cta-band .btn { font-size: 1rem; padding: 16px 32px; }

/* --- Footer --- */
.footer {
  padding: 48px 0 32px;
  border-top: 1px solid var(--border);
}
.footer-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 16px;
}
.footer-copy { font-size: .8125rem; color: var(--text-muted); }
.footer-links { display: flex; gap: 24px; }
.footer-links a { font-size: .8125rem; color: var(--text-muted); transition: color var(--transition); }
.footer-links a:hover { color: var(--text); }

/* --- Toast --- */
.toast {
  position: fixed;
  bottom: 24px;
  right: 24px;
  padding: 14px 24px;
  border-radius: var(--radius);
  background: var(--bg3);
  border: 1px solid var(--border);
  color: var(--text);
  font-size: .875rem;
  font-weight: 600;
  transform: translateY(100px);
  opacity: 0;
  transition: all .3s ease;
  z-index: 200;
  pointer-events: none;
}
.toast.is-visible { transform: translateY(0); opacity: 1; }

/* --- Cookie Banner --- */
.cookie-banner {
  position: fixed; bottom: 0; left: 0; right: 0; z-index: 9999;
  background: var(--bg2); border-top: 1px solid var(--border);
  padding: 1rem 2rem; display: flex; align-items: center; justify-content: center; gap: 1.5rem;
  font-size: .875rem; color: var(--text-secondary);
  backdrop-filter: blur(12px);
}
.cookie-banner p { margin: 0; max-width: 600px; }
.btn-sm { padding: .5rem 1.25rem; font-size: .875rem; }

/* --- Responsive --- */
@media (max-width: 1024px) {
  .features-grid { grid-template-columns: repeat(2, 1fr); }
  .steps { grid-template-columns: repeat(2, 1fr); }
  .testimonials-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 768px) {
  .container { width: min(var(--max-w), calc(100% - 32px)); }
  .section { padding: 64px 0; }

  .nav-links, .header-actions .btn-ghost { display: none; }
  .hamburger { display: flex; }

  .hero-grid { grid-template-columns: 1fr; gap: 40px; }
  .hero-visual { order: -1; }
  .hero-phone { width: 260px; }
  .hero-stats { grid-template-columns: repeat(3, 1fr); gap: 8px; }
  .stat-card { padding: 14px; }
  .stat-value { font-size: 1.125rem; }

  .features-grid { grid-template-columns: 1fr; }
  .usecases-grid { grid-template-columns: 1fr; }
  .steps { grid-template-columns: 1fr; gap: 16px; }
  .compare-head, .compare-row { grid-template-columns: 1.2fr 1fr 1fr; font-size: .75rem; padding: 12px 16px; }
  .testimonials-grid { grid-template-columns: 1fr; }

  .roi-inputs { grid-template-columns: 1fr; }
  .roi-results { grid-template-columns: repeat(3, 1fr); }

  .contact-grid { grid-template-columns: 1fr; }
  .form-row { grid-template-columns: 1fr; }

  .trust-inner { gap: 24px; }
}

@media (max-width: 480px) {
  .hero-stats { grid-template-columns: 1fr; }
  .roi-results { grid-template-columns: 1fr; }
  .stat-card { padding: 12px; }
}