:root {
  --bg: #ffffff;
  --bg-alt: #fafaf7;
  --text: #111418;
  --text-muted: #5a6370;
  --border: #e8eaed;
  --accent: #f97316;
  --accent-dark: #ea580c;
  --accent-soft: #fff4ec;
  --dark: #0f1115;
  --radius: 14px;
  --radius-sm: 10px;
  --shadow-sm: 0 1px 2px rgba(15, 17, 21, 0.04);
  --shadow-md: 0 10px 30px -12px rgba(15, 17, 21, 0.12);
  --max: 1120px;
}

* {
  box-sizing: border-box;
}

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

body {
  margin: 0;
  font-family:
    -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Oxygen, Ubuntu,
    Cantarell, "Helvetica Neue", sans-serif;
  color: var(--text);
  background: var(--bg);
  line-height: 1.55;
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

.container {
  max-width: var(--max);
  margin: 0 auto;
  padding: 0 clamp(20px, 4vw, 40px);
}

a {
  color: inherit;
  text-decoration: none;
}

/* ───────── Header ───────── */
.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(255, 255, 255, 0.85);
  backdrop-filter: saturate(180%) blur(10px);
  -webkit-backdrop-filter: saturate(180%) blur(10px);
  border-bottom: 1px solid var(--border);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 64px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-weight: 700;
  font-size: 17px;
  letter-spacing: -0.01em;
}

.brand-mark {
  width: 28px;
  height: 28px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: var(--accent);
  color: #fff;
  border-radius: 8px;
  font-weight: 800;
  font-size: 15px;
  letter-spacing: 0;
}

.brand-name {
  color: var(--text);
}

.site-header nav {
  display: flex;
  gap: 28px;
}

.site-header nav a {
  color: var(--text-muted);
  font-size: 14px;
  font-weight: 500;
  transition: color 0.15s;
}

.site-header nav a:hover {
  color: var(--text);
}

/* ───────── Buttons ───────── */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 12px 22px;
  border-radius: 100px;
  font-weight: 600;
  font-size: 15px;
  letter-spacing: -0.01em;
  transition: transform 0.15s, background 0.15s, color 0.15s, border-color 0.15s;
  white-space: nowrap;
}

.btn-primary {
  background: var(--accent);
  color: #fff;
  border: 1px solid var(--accent);
}

.btn-primary:hover {
  background: var(--accent-dark);
  border-color: var(--accent-dark);
  transform: translateY(-1px);
}

.btn-ghost {
  background: transparent;
  color: var(--text);
  border: 1px solid var(--border);
}

.btn-ghost:hover {
  border-color: var(--text);
}

/* ───────── Hero ───────── */
.hero {
  padding: clamp(64px, 10vw, 120px) 0 clamp(48px, 8vw, 96px);
  background:
    radial-gradient(ellipse 80% 60% at 80% 20%, rgba(249, 115, 22, 0.06), transparent 60%),
    radial-gradient(ellipse 60% 40% at 20% 80%, rgba(249, 115, 22, 0.04), transparent 60%),
    var(--bg);
  overflow: hidden;
}

.hero-inner {
  display: grid;
  grid-template-columns: 1.1fr 1fr;
  gap: clamp(40px, 6vw, 80px);
  align-items: center;
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  font-weight: 600;
  color: var(--accent);
  letter-spacing: 0.04em;
  text-transform: uppercase;
  margin: 0 0 18px;
  padding: 5px 12px;
  background: var(--accent-soft);
  border-radius: 100px;
  width: fit-content;
}

.hero h1 {
  font-size: clamp(36px, 5.2vw, 60px);
  line-height: 1.05;
  letter-spacing: -0.03em;
  margin: 0 0 20px;
  font-weight: 700;
}

.hero .accent {
  color: var(--accent);
}

.lead {
  font-size: clamp(16px, 1.4vw, 18px);
  color: var(--text-muted);
  max-width: 520px;
  margin: 0 0 32px;
}

.cta-row {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-bottom: 32px;
}

.hero-badges {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 16px 28px;
  font-size: 14px;
  color: var(--text-muted);
}

.hero-badges li {
  position: relative;
  padding-left: 22px;
}

.hero-badges li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 7px;
  width: 14px;
  height: 14px;
  border-radius: 50%;
  background: var(--accent-soft);
  background-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%23f97316' stroke-width='3' stroke-linecap='round' stroke-linejoin='round'><polyline points='20 6 9 17 4 12'/></svg>");
  background-size: 10px 10px;
  background-position: center;
  background-repeat: no-repeat;
}

/* ───────── Phone mockup ───────── */
.hero-visual {
  display: flex;
  justify-content: center;
}

.phone {
  width: 320px;
  max-width: 100%;
  padding: 10px;
  border-radius: 38px;
  background: linear-gradient(180deg, #1a1d22, #0f1115);
  box-shadow:
    var(--shadow-md),
    0 0 0 1px rgba(255, 255, 255, 0.04) inset;
  transform: rotate(-2deg);
}

.phone-screen {
  border-radius: 28px;
  background: linear-gradient(180deg, #ffffff, #f8f9fa);
  overflow: hidden;
  padding: 20px;
  min-height: 460px;
}

.phone-top {
  display: flex;
  gap: 6px;
  justify-content: center;
  margin-bottom: 16px;
}

.phone-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: #d9dce3;
}

.phone-body {
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.phone-greeting {
  font-size: 13px;
  color: var(--text-muted);
}

.phone-search {
  background: #f3f5f8;
  border-radius: 12px;
  padding: 12px 16px;
  color: #8891a0;
  font-size: 14px;
}

.phone-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
}

.phone-card {
  background: #ffffff;
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 14px 12px;
  font-size: 13px;
  font-weight: 600;
  display: flex;
  align-items: center;
  gap: 10px;
}

.phone-card span {
  font-size: 18px;
}

.phone-pro {
  margin-top: 6px;
  background: #ffffff;
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 14px;
  display: grid;
  grid-template-columns: auto 1fr auto;
  gap: 12px;
  align-items: center;
}

.phone-pro-avatar {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: var(--accent-soft);
  color: var(--accent);
  font-weight: 700;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 14px;
}

.phone-pro-name {
  font-size: 14px;
  font-weight: 600;
}

.phone-pro-meta {
  font-size: 12px;
  color: var(--text-muted);
}

.phone-pro-badge {
  font-size: 11px;
  font-weight: 700;
  padding: 4px 8px;
  border-radius: 100px;
  background: #e6f7ed;
  color: #107f3c;
}

/* ───────── Sections ───────── */
.section {
  padding: clamp(64px, 9vw, 100px) 0;
}

.section-alt {
  background: var(--bg-alt);
  border-block: 1px solid var(--border);
}

.section-eyebrow {
  font-size: 13px;
  font-weight: 600;
  color: var(--accent);
  letter-spacing: 0.04em;
  text-transform: uppercase;
  margin: 0 0 10px;
}

.section-title {
  font-size: clamp(28px, 3.5vw, 40px);
  letter-spacing: -0.02em;
  line-height: 1.1;
  margin: 0 0 48px;
  max-width: 640px;
  font-weight: 700;
}

/* Steps */
.steps {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.step {
  padding: 28px;
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow-sm);
}

.step-num {
  font-size: 13px;
  font-weight: 700;
  color: var(--accent);
  margin-bottom: 14px;
  letter-spacing: 0.06em;
}

.step h3 {
  margin: 0 0 8px;
  font-size: 18px;
  letter-spacing: -0.01em;
}

.step p {
  margin: 0;
  color: var(--text-muted);
  font-size: 14.5px;
}

/* Benefits */
.benefits {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.benefit {
  padding: 28px;
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius);
}

.benefit-icon {
  width: 40px;
  height: 40px;
  border-radius: 10px;
  background: var(--accent-soft);
  color: var(--accent);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 16px;
}

.benefit-icon svg {
  width: 20px;
  height: 20px;
}

.benefit h3 {
  margin: 0 0 6px;
  font-size: 16px;
  letter-spacing: -0.01em;
}

.benefit p {
  margin: 0;
  color: var(--text-muted);
  font-size: 14px;
}

/* Categories */
.categories {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.category {
  padding: 10px 16px;
  background: var(--bg-alt);
  border: 1px solid var(--border);
  border-radius: 100px;
  font-size: 14px;
  font-weight: 500;
  color: var(--text);
  transition: background 0.15s, border-color 0.15s;
}

.category:hover {
  background: var(--accent-soft);
  border-color: var(--accent);
}

/* CTA */
.cta {
  padding: clamp(64px, 9vw, 100px) 0;
  background: var(--dark);
  color: #fff;
  text-align: center;
}

.cta-inner {
  max-width: 640px;
}

.cta h2 {
  font-size: clamp(28px, 3.5vw, 40px);
  letter-spacing: -0.02em;
  line-height: 1.15;
  margin: 0 0 14px;
  font-weight: 700;
}

.cta p {
  color: rgba(255, 255, 255, 0.7);
  font-size: 17px;
  margin: 0 0 28px;
}

.cta .cta-row {
  justify-content: center;
  margin-bottom: 16px;
}

.cta-note {
  font-size: 13px;
  color: rgba(255, 255, 255, 0.45);
}

/* Footer */
.site-footer {
  padding: 40px 0;
  background: var(--bg-alt);
  border-top: 1px solid var(--border);
}

.footer-inner {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 12px;
  text-align: center;
}

.footer-brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-weight: 700;
}

.footer-tagline {
  color: var(--text-muted);
  font-size: 14px;
  margin: 0;
}

.footer-meta {
  display: flex;
  gap: 24px;
  color: var(--text-muted);
  font-size: 13px;
  flex-wrap: wrap;
  justify-content: center;
}

/* ───────── Responsive ───────── */
@media (max-width: 900px) {
  .hero-inner {
    grid-template-columns: 1fr;
  }

  .hero-visual {
    order: -1;
    margin-bottom: 20px;
  }

  .phone {
    width: 280px;
  }

  .steps,
  .benefits {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 640px) {
  .site-header nav {
    gap: 18px;
    font-size: 13px;
  }

  .site-header nav a:nth-child(2) {
    display: none;
  }

  .hero {
    padding: 56px 0 40px;
  }

  .cta-row .btn {
    width: 100%;
    justify-content: center;
  }

  .steps,
  .benefits {
    grid-template-columns: 1fr;
  }
}
