/* ─────────────────────────────────────────────────────────────
   WallPaint Web – Design System
   Mirrors the WallPaint app brand (teal palette, premium feel)
   ───────────────────────────────────────────────────────────── */

:root {
  --primary: #0F766E;
  --accent: #0D9488;
  --accent-hover: #14B8A6;
  --accent-subtle: rgba(13, 148, 136, 0.1);
  --deep: #04211E;
  --deep-2: #0A2E2B;
  --gradient: linear-gradient(135deg, #14B8A6 0%, #0F766E 100%);

  --bg: #F9FAFB;
  --card: #FFFFFF;
  --border: #E5E7EB;

  --text: #111827;
  --text-secondary: #4B5563;
  --text-tertiary: #6B7280;

  --success: #10B981;
  --warning: #F59E0B;
  --error: #EF4444;

  --radius: 18px;
  --radius-sm: 12px;
  --shadow-sm: 0 1px 3px rgba(16, 24, 40, 0.06);
  --shadow: 0 12px 32px rgba(4, 33, 30, 0.12);
  --shadow-lg: 0 24px 60px rgba(4, 33, 30, 0.18);

  --font: "Segoe UI", -apple-system, BlinkMacSystemFont, Roboto, "Helvetica Neue", Arial, sans-serif;
  --container: 1120px;
}

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

html { scroll-behavior: smooth; }

body {
  font-family: var(--font);
  color: var(--text);
  background: var(--bg);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

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

a { color: var(--accent); text-decoration: none; transition: color 0.2s ease; }
a:hover { color: var(--accent-hover); }

h1, h2, h3, h4 {
  line-height: 1.2;
  color: var(--text);
  font-weight: 700;
}

.container {
  width: 100%;
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 24px;
}

/* ── Buttons ─────────────────────────────────────────────── */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 13px 26px;
  border-radius: 999px;
  font-weight: 600;
  font-size: 15px;
  cursor: pointer;
  border: none;
  transition: all 0.2s ease;
  text-decoration: none;
}
.btn-primary {
  background: var(--gradient);
  color: #fff;
  box-shadow: 0 8px 20px rgba(13, 148, 136, 0.35);
}
.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 12px 28px rgba(13, 148, 136, 0.45); color: #fff; }
.btn-ghost {
  background: transparent;
  color: var(--primary);
  border: 1.5px solid rgba(13, 148, 136, 0.45);
}
.btn-ghost:hover { background: var(--accent-subtle); color: var(--primary); }
.btn-light {
  background: #fff;
  color: var(--primary);
  box-shadow: var(--shadow-sm);
}
.btn-light:hover { transform: translateY(-2px); box-shadow: var(--shadow); color: var(--primary); }

/* ── Header / Nav ───────────────────────────────────────── */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(255, 255, 255, 0.85);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--border);
}
.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
}
.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 20px;
  font-weight: 700;
  color: var(--text);
}
.brand-logo {
  width: 38px;
  height: 38px;
  border-radius: 11px;
  background: var(--gradient);
  display: grid;
  place-items: center;
  color: #fff;
  box-shadow: 0 6px 16px rgba(13, 148, 136, 0.35);
}
.brand span em { font-style: normal; color: var(--accent); }
.nav-links {
  display: flex;
  align-items: center;
  gap: 28px;
  list-style: none;
}
.nav-links a {
  color: var(--text-secondary);
  font-weight: 500;
  font-size: 15px;
  position: relative;
  padding: 4px 0;
}
.nav-links a:hover, .nav-links a.active { color: var(--primary); }
.nav-links a.active::after {
  content: "";
  position: absolute;
  left: 0; right: 0; bottom: -2px;
  height: 2px;
  border-radius: 2px;
  background: var(--gradient);
}
.nav-cta { display: flex; align-items: center; gap: 14px; }

.nav-toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  width: 42px;
  height: 42px;
  border-radius: 10px;
  color: var(--text);
}
.nav-toggle svg { width: 26px; height: 26px; }

/* ── Hero ───────────────────────────────────────────────── */
.hero {
  position: relative;
  background:
    radial-gradient(60% 55% at 18% 8%, rgba(20, 184, 166, 0.16), transparent 60%),
    radial-gradient(50% 50% at 85% 30%, rgba(13, 148, 136, 0.14), transparent 60%),
    linear-gradient(180deg, #F1F8F7 0%, #FFFFFF 100%);
  overflow: hidden;
}
.hero-inner {
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  gap: 48px;
  align-items: center;
  padding: 88px 0 72px;
}
.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: var(--accent-subtle);
  color: var(--primary);
  font-size: 13px;
  font-weight: 600;
  padding: 7px 14px;
  border-radius: 999px;
  margin-bottom: 20px;
}
.eyebrow .dot { width: 8px; height: 8px; border-radius: 50%; background: var(--success); }
.hero h1 { font-size: clamp(34px, 5vw, 52px); letter-spacing: -0.5px; }
.hero h1 .grad {
  background: var(--gradient);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.hero p.sub {
  margin: 18px 0 30px;
  font-size: 18px;
  color: var(--text-secondary);
  max-width: 520px;
}
.hero-actions { display: flex; gap: 14px; flex-wrap: wrap; }
.hero-note { margin-top: 16px; font-size: 13px; color: var(--text-tertiary); }

.hero-visual { position: relative; }
.phone-frame {
  width: 300px;
  margin: 0 auto;
  border-radius: 40px;
  background: var(--deep);
  padding: 14px;
  box-shadow: var(--shadow-lg);
  border: 1px solid rgba(255,255,255,0.08);
  position: relative;
}
.phone-screen {
  border-radius: 28px;
  overflow: hidden;
  background: var(--gradient);
  min-height: 580px;
  display: flex;
  flex-direction: column;
  position: relative;
}
.phone-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 20px 22px 0;
  color: #fff;
}
.phone-top .t { font-size: 15px; font-weight: 600; }
.phone-badge {
  width: 26px; height: 26px; border-radius: 8px;
  background: rgba(255,255,255,0.22);
  display: grid; place-items: center;
  font-size: 13px;
}
.phone-body { padding: 26px 22px; flex: 1; display: flex; flex-direction: column; }
.phone-hero {
  background: rgba(255,255,255,0.16);
  border-radius: 20px;
  padding: 18px;
  color: #fff;
}
.phone-hero h4 { color: #fff; font-size: 17px; }
.phone-hero p { font-size: 13px; opacity: 0.85; margin: 6px 0 14px; }
.phone-pill {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(255,255,255,0.22);
  padding: 9px 16px;
  border-radius: 999px;
  font-size: 13px;
  font-weight: 600;
}
.swatches { display: grid; grid-template-columns: repeat(4, 1fr); gap: 10px; margin-top: 18px; }
.swatch {
  border-radius: 14px;
  height: 62px;
  position: relative;
  box-shadow: 0 6px 14px rgba(0,0,0,0.18);
}
.swatch span {
  position: absolute;
  left: 10px; bottom: 8px;
  font-size: 10px;
  color: rgba(255,255,255,0.9);
  font-weight: 600;
  text-shadow: 0 1px 3px rgba(0,0,0,0.4);
}
.phone-measure {
  margin-top: 18px;
  background: rgba(255,255,255,0.16);
  border-radius: 20px;
  padding: 16px 18px;
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.phone-measure .label { font-size: 12px; opacity: 0.85; }
.phone-measure .value { font-size: 22px; font-weight: 700; }
.floating-chip {
  position: absolute;
  background: #fff;
  border-radius: 14px;
  padding: 12px 16px;
  box-shadow: var(--shadow);
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 13px;
  font-weight: 600;
}
.floating-chip .ico {
  width: 34px; height: 34px; border-radius: 10px;
  background: var(--accent-subtle);
  display: grid; place-items: center;
  color: var(--primary);
  font-size: 16px;
}
.floating-chip small { display: block; color: var(--text-tertiary); font-weight: 500; font-size: 11px; }
.chip-1 { top: 60px; right: -18px; }
.chip-2 { bottom: 110px; left: -24px; }

/* ── Sections ───────────────────────────────────────────── */
.section { padding: 84px 0; }
.section-alt { background: #fff; }
.section-head { text-align: center; max-width: 640px; margin: 0 auto 52px; }
.section-head h2 { font-size: clamp(26px, 3.5vw, 36px); letter-spacing: -0.4px; }
.section-head p { margin-top: 12px; color: var(--text-secondary); font-size: 16px; }

/* Features grid */
.features-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 22px;
}
.feature-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 28px;
  transition: transform 0.25s ease, box-shadow 0.25s ease;
}
.feature-card:hover { transform: translateY(-6px); box-shadow: var(--shadow); }
.feature-card .f-ico {
  width: 48px; height: 48px;
  border-radius: 13px;
  background: var(--accent-subtle);
  color: var(--primary);
  display: grid; place-items: center;
  font-size: 22px;
  margin-bottom: 18px;
}
.feature-card h3 { font-size: 17px; margin-bottom: 8px; }
.feature-card p { color: var(--text-secondary); font-size: 14.5px; }

/* How it works */
.steps { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; counter-reset: step; }
.step {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 30px;
  position: relative;
}
.step::before {
  counter-increment: step;
  content: counter(step);
  width: 44px; height: 44px;
  border-radius: 50%;
  background: var(--gradient);
  color: #fff;
  font-weight: 700;
  display: grid; place-items: center;
  font-size: 17px;
  margin-bottom: 18px;
  box-shadow: 0 8px 18px rgba(13, 148, 136, 0.3);
}
.step h3 { font-size: 16px; margin-bottom: 8px; }
.step p { color: var(--text-secondary); font-size: 14.5px; }

/* CTA band */
.cta-band {
  background: var(--gradient);
  border-radius: 26px;
  padding: 56px 48px;
  text-align: center;
  color: #fff;
  position: relative;
  overflow: hidden;
}
.cta-band::before {
  content: "";
  position: absolute;
  inset: 0;
  background: radial-gradient(60% 80% at 80% 10%, rgba(255,255,255,0.18), transparent 60%);
  pointer-events: none;
}
.cta-band h2 { color: #fff; font-size: clamp(24px, 3vw, 34px); }
.cta-band p { color: rgba(255,255,255,0.85); margin: 12px auto 26px; max-width: 520px; }
.cta-band .btn-light { margin: 0 6px; }

/* ── Page hero (inner pages) ─────────────────────────────── */
.page-hero {
  background:
    radial-gradient(55% 60% at 20% 0%, rgba(20, 184, 166, 0.14), transparent 60%),
    linear-gradient(180deg, #F1F8F7 0%, #FFFFFF 100%);
  padding: 68px 0 40px;
  text-align: center;
}
.page-hero h1 { font-size: clamp(30px, 4vw, 42px); letter-spacing: -0.4px; }
.page-hero p { color: var(--text-secondary); margin-top: 10px; font-size: 17px; max-width: 560px; margin-inline: auto; }
.crumbs { color: var(--text-tertiary); font-size: 13px; margin-bottom: 14px; }
.crumbs a { color: var(--text-tertiary); }
.crumbs a:hover { color: var(--accent); }

/* ── Content prose (privacy / terms) ─────────────────────── */
.prose {
  max-width: 780px;
  margin: 0 auto;
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 48px;
  box-shadow: var(--shadow-sm);
}
.prose h2 { font-size: 21px; margin: 34px 0 12px; }
.prose h2:first-child { margin-top: 0; }
.prose h3 { font-size: 17px; margin: 26px 0 10px; }
.prose p, .prose li { color: var(--text-secondary); font-size: 15px; }
.prose ul, .prose ol { margin: 10px 0 16px; padding-left: 22px; }
.prose li { margin-bottom: 8px; }
.prose .meta {
  background: var(--accent-subtle);
  color: var(--primary);
  display: inline-block;
  font-size: 13px;
  font-weight: 600;
  padding: 7px 14px;
  border-radius: 999px;
  margin-bottom: 20px;
}
.prose a { color: var(--accent); text-decoration: underline; }
.prose table { width: 100%; border-collapse: collapse; margin: 14px 0; font-size: 14px; }
.prose th, .prose td { border: 1px solid var(--border); padding: 10px 12px; text-align: left; }
.prose th { background: #F8FAFB; color: var(--text); font-weight: 600; }

/* ── About / company ─────────────────────────────────────── */
.about-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 48px; align-items: center; }
.about-copy h2 { font-size: clamp(24px, 3vw, 32px); }
.about-copy p { color: var(--text-secondary); margin: 14px 0; }
.about-copy ul { list-style: none; margin-top: 18px; }
.about-copy li { padding: 8px 0; display: flex; gap: 10px; align-items: flex-start; color: var(--text-secondary); }
.about-copy li::before { content: "✓"; color: var(--success); font-weight: 700; }
.about-visual {
  background: var(--gradient);
  border-radius: 26px;
  padding: 40px;
  color: #fff;
  min-height: 340px;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  position: relative;
  overflow: hidden;
}
.about-visual::before {
  content: "";
  position: absolute;
  inset: 0;
  background: radial-gradient(70% 90% at 85% 10%, rgba(255,255,255,0.2), transparent 60%);
  pointer-events: none;
}
.about-visual h3 { color: #fff; font-size: 22px; position: relative; }
.about-visual p { color: rgba(255,255,255,0.85); position: relative; margin-top: 8px; }

.values-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; margin-top: 48px; }

/* ── Contact ────────────────────────────────────────────── */
.contact-grid { display: grid; grid-template-columns: 0.9fr 1.1fr; gap: 36px; align-items: start; }
.contact-cards { display: grid; gap: 16px; }
.contact-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 22px;
  display: flex;
  gap: 16px;
  align-items: flex-start;
}
.contact-card .ico {
  width: 44px; height: 44px; flex-shrink: 0;
  border-radius: 12px;
  background: var(--accent-subtle);
  color: var(--primary);
  display: grid; place-items: center;
  font-size: 20px;
}
.contact-card h3 { font-size: 15px; margin-bottom: 4px; }
.contact-card p { color: var(--text-secondary); font-size: 14px; }
.contact-card a { color: var(--accent); font-weight: 500; }

.form-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 32px;
  box-shadow: var(--shadow-sm);
}
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.field { margin-bottom: 16px; }
.field label { display: block; font-size: 13.5px; font-weight: 600; margin-bottom: 7px; color: var(--text); }
.field input, .field select, .field textarea {
  width: 100%;
  padding: 12px 14px;
  border: 1.5px solid var(--border);
  border-radius: 12px;
  font-family: inherit;
  font-size: 14.5px;
  color: var(--text);
  background: #fff;
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
}
.field input:focus, .field select:focus, .field textarea:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-subtle);
}
.field textarea { resize: vertical; min-height: 120px; }
.form-note { font-size: 12.5px; color: var(--text-tertiary); margin-top: 12px; }
.form-success {
  display: none;
  background: rgba(16, 185, 129, 0.1);
  border: 1px solid rgba(16, 185, 129, 0.35);
  color: var(--success);
  padding: 14px 16px;
  border-radius: 12px;
  font-size: 14px;
  font-weight: 500;
  margin-top: 16px;
}
.form-success.show { display: block; }

/* ── Footer ─────────────────────────────────────────────── */
.site-footer {
  background: var(--deep);
  color: rgba(255,255,255,0.75);
  margin-top: 40px;
}
.footer-inner {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr 1fr;
  gap: 40px;
  padding: 56px 0 40px;
}
.footer-brand .brand { color: #fff; }
.footer-brand p { font-size: 14px; margin-top: 14px; max-width: 300px; }
.footer-col h4 { color: #fff; font-size: 14px; margin-bottom: 16px; text-transform: uppercase; letter-spacing: 0.5px; }
.footer-col ul { list-style: none; }
.footer-col li { margin-bottom: 10px; }
.footer-col a { color: rgba(255,255,255,0.75); font-size: 14px; }
.footer-col a:hover { color: var(--accent-hover); }
.footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.1);
  padding: 22px 0;
  font-size: 13px;
  color: rgba(255,255,255,0.5);
}
.footer-bottom .container { display: flex; justify-content: space-between; align-items: center; gap: 12px; flex-wrap: wrap; }
.footer-bottom a { color: rgba(255,255,255,0.6); }

/* ── Responsive ─────────────────────────────────────────── */
@media (max-width: 900px) {
  .nav-links {
    position: fixed;
    inset: 72px 0 auto 0;
    background: #fff;
    flex-direction: column;
    gap: 0;
    padding: 12px 0 20px;
    border-bottom: 1px solid var(--border);
    box-shadow: var(--shadow);
    display: none;
  }
  .nav-links.open { display: flex; }
  .nav-links li { width: 100%; }
  .nav-links a { display: block; padding: 14px 24px; }
  .nav-links a.active::after { display: none; }
  .nav-toggle { display: grid; place-items: center; }
  .nav-cta .btn { display: none; }

  .hero-inner { grid-template-columns: 1fr; text-align: center; padding: 60px 0 64px; }
  .hero p.sub { margin-inline: auto; }
  .hero-actions { justify-content: center; }
  .floating-chip.chip-1 { right: 0; }
  .floating-chip.chip-2 { left: 0; }

  .features-grid, .steps, .values-grid { grid-template-columns: 1fr 1fr; }
  .about-grid, .contact-grid { grid-template-columns: 1fr; }
  .footer-inner { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 560px) {
  .features-grid, .steps, .values-grid, .form-row, .footer-inner { grid-template-columns: 1fr; }
  .section { padding: 60px 0; }
  .prose { padding: 28px 20px; }
  .cta-band { padding: 44px 24px; }
}