/* ============================================================
   MostBuilder Landing — Color tokens
   Replace values here to retheme the entire site.
   ============================================================ */
:root {
  --color-accent: #FF6D1D;
  --color-accent-soft: rgba(255, 109, 29, 0.15);
  --color-accent-glow: rgba(255, 109, 29, 0.35);
  --color-bg-deep: #024597;
  --color-bg-mid: #356DB2;
  --color-bg-light: #e8f0fa;
  --color-surface: #ffffff;
  --color-text: #0a1f3d;
  --color-text-muted: #4a6280;
  --color-text-on-dark: #f4f8ff;
  --color-border: rgba(2, 69, 151, 0.12);
  --font-display: "DM Sans", system-ui, sans-serif;
  --font-body: "Source Sans 3", system-ui, sans-serif;
  --radius-sm: 8px;
  --radius-md: 14px;
  --radius-lg: 22px;
  --shadow-card: 0 12px 40px rgba(2, 69, 151, 0.12);
  --shadow-phone: 0 24px 60px rgba(0, 0, 0, 0.35);
  --nav-height: 72px;
  --max-width: 1140px;
  --transition: 0.25s ease;
}

/* Reset & base */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: var(--font-body);
  color: var(--color-text);
  background: var(--color-bg-light);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
ul { list-style: none; }

/* Blueprint grid background pattern */
.blueprint-bg {
  background-color: var(--color-bg-deep);
  background-image:
    linear-gradient(rgba(255,255,255,0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.04) 1px, transparent 1px);
  background-size: 32px 32px;
}

/* Navigation */
.site-nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  height: var(--nav-height);
  display: flex;
  align-items: center;
  transition: background var(--transition), box-shadow var(--transition);
}
.site-nav.scrolled {
  background: rgba(2, 69, 151, 0.95);
  backdrop-filter: blur(12px);
  box-shadow: 0 4px 24px rgba(0,0,0,0.15);
}
.nav-inner {
  width: 100%;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.nav-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.05rem;
  color: var(--color-text-on-dark);
}
.nav-logo svg { flex-shrink: 0; }
.nav-links {
  display: flex;
  align-items: center;
  gap: 8px;
}
.nav-links a {
  color: rgba(244, 248, 255, 0.85);
  font-size: 0.9rem;
  font-weight: 500;
  padding: 8px 14px;
  border-radius: var(--radius-sm);
  transition: color var(--transition), background var(--transition);
}
.nav-links a:hover,
.nav-links a.active {
  color: var(--color-text-on-dark);
  background: rgba(255,255,255,0.1);
}
.nav-toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: 8px;
}
.nav-toggle span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--color-text-on-dark);
  margin: 5px 0;
  transition: var(--transition);
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 28px;
  border-radius: var(--radius-md);
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 0.95rem;
  border: none;
  cursor: pointer;
  transition: transform var(--transition), box-shadow var(--transition), background var(--transition);
}
.btn:hover { transform: translateY(-2px); }
.btn-primary {
  background: var(--color-accent);
  color: #fff;
  box-shadow: 0 8px 24px var(--color-accent-glow);
}
.btn-primary:hover { box-shadow: 0 12px 32px var(--color-accent-glow); }
.btn-outline {
  background: transparent;
  color: var(--color-text-on-dark);
  border: 2px solid rgba(255,255,255,0.35);
}
.btn-outline:hover { border-color: var(--color-accent); color: var(--color-accent); }

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

/* Section headings */
.section-label {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--color-accent);
  margin-bottom: 12px;
}
.section-label::before {
  content: "";
  width: 24px;
  height: 2px;
  background: var(--color-accent);
}
.section-title {
  font-family: var(--font-display);
  font-size: clamp(1.75rem, 4vw, 2.5rem);
  font-weight: 700;
  line-height: 1.2;
  margin-bottom: 16px;
}
.section-desc {
  color: var(--color-text-muted);
  font-size: 1.05rem;
  max-width: 600px;
}

/* ============================================================
   HOME — Hero
   ============================================================ */
.hero {
  min-height: 100vh;
  padding-top: var(--nav-height);
  position: relative;
  overflow: hidden;
  display: flex;
  align-items: center;
}
.hero::after {
  content: "";
  position: absolute;
  bottom: -2px;
  left: 0; right: 0;
  height: 80px;
  background: var(--color-bg-light);
  clip-path: polygon(0 100%, 100% 0, 100% 100%);
}
.hero-inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
  align-items: center;
  padding: 60px 0 100px;
}
.hero-content { position: relative; z-index: 2; }
.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: var(--color-accent-soft);
  border: 1px solid rgba(255, 109, 29, 0.3);
  color: var(--color-accent);
  padding: 6px 14px;
  border-radius: 100px;
  font-size: 0.8rem;
  font-weight: 600;
  margin-bottom: 20px;
}
.hero h1 {
  font-family: var(--font-display);
  font-size: clamp(2.2rem, 5vw, 3.4rem);
  font-weight: 800;
  line-height: 1.1;
  color: var(--color-text-on-dark);
  margin-bottom: 12px;
}
.hero h1 span { color: var(--color-accent); }
.hero-subtitle {
  font-size: 1.15rem;
  color: rgba(244, 248, 255, 0.75);
  font-style: italic;
  margin-bottom: 24px;
}
.hero-desc {
  color: rgba(244, 248, 255, 0.7);
  font-size: 1rem;
  max-width: 480px;
  margin-bottom: 32px;
}
.hero-actions { display: flex; flex-wrap: wrap; gap: 14px; }
.hero-keywords {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 28px;
}
.hero-keywords span {
  font-size: 0.75rem;
  padding: 4px 12px;
  border-radius: 100px;
  background: rgba(255,255,255,0.08);
  color: rgba(244, 248, 255, 0.6);
  border: 1px solid rgba(255,255,255,0.1);
}

/* Phone mockup stack */
.phone-showcase {
  position: relative;
  display: flex;
  justify-content: center;
  align-items: center;
  min-height: 520px;
}
.phone-frame {
  position: relative;
  width: 240px;
  background: #1a1a2e;
  border-radius: 36px;
  padding: 12px;
  box-shadow: var(--shadow-phone);
  border: 3px solid #2a2a40;
  z-index: 3;
}
.phone-notch {
  width: 90px;
  height: 24px;
  background: #1a1a2e;
  border-radius: 0 0 14px 14px;
  margin: 0 auto 8px;
  position: relative;
  z-index: 4;
}
.phone-screen {
  border-radius: 24px;
  overflow: hidden;
  aspect-ratio: 9/19.5;
  background: var(--color-bg-mid);
}
.phone-screen img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.phone-back-1, .phone-back-2 {
  position: absolute;
  width: 220px;
  background: #1a1a2e;
  border-radius: 32px;
  padding: 10px;
  border: 2px solid #2a2a40;
  opacity: 0.6;
}
.phone-back-1 {
  transform: rotate(-8deg) translateX(-60px);
  z-index: 1;
}
.phone-back-2 {
  transform: rotate(8deg) translateX(60px);
  z-index: 2;
}
.phone-back-1 .phone-screen,
.phone-back-2 .phone-screen { aspect-ratio: 9/19.5; }

/* Decorative ruler SVG strip */
.ruler-strip {
  position: absolute;
  right: -20px;
  top: 50%;
  transform: translateY(-50%);
  opacity: 0.15;
}

/* ============================================================
   HOME — Pipeline (unique scroll section)
   ============================================================ */
.pipeline {
  padding: 100px 0;
  position: relative;
}
.pipeline-track {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0;
  position: relative;
  margin-top: 48px;
}
.pipeline-track::before {
  content: "";
  position: absolute;
  top: 36px;
  left: 12.5%;
  right: 12.5%;
  height: 3px;
  background: linear-gradient(90deg, var(--color-bg-deep), var(--color-accent), var(--color-bg-mid));
  z-index: 0;
}
.pipeline-step {
  text-align: center;
  position: relative;
  z-index: 1;
  padding: 0 12px;
}
.pipeline-icon {
  width: 72px;
  height: 72px;
  margin: 0 auto 20px;
  background: var(--color-surface);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: var(--shadow-card);
  border: 3px solid var(--color-bg-light);
}
.pipeline-step h3 {
  font-family: var(--font-display);
  font-size: 1rem;
  margin-bottom: 8px;
}
.pipeline-step p {
  font-size: 0.85rem;
  color: var(--color-text-muted);
}

/* ============================================================
   HOME — Features (estimate-table style)
   ============================================================ */
.features {
  padding: 80px 0 100px;
  background: var(--color-surface);
  position: relative;
}
.features::before {
  content: "";
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 6px;
  background: repeating-linear-gradient(
    90deg,
    var(--color-accent) 0px,
    var(--color-accent) 20px,
    var(--color-bg-deep) 20px,
    var(--color-bg-deep) 40px
  );
}
.feature-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  margin-top: 48px;
}
.feature-card {
  background: var(--color-bg-light);
  border-radius: var(--radius-lg);
  padding: 32px 28px;
  border: 1px solid var(--color-border);
  transition: transform var(--transition), box-shadow var(--transition);
  position: relative;
  overflow: hidden;
}
.feature-card::after {
  content: "";
  position: absolute;
  top: 0; left: 0;
  width: 4px;
  height: 100%;
  background: var(--color-accent);
  transform: scaleY(0);
  transform-origin: bottom;
  transition: transform 0.4s ease;
}
.feature-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-card);
}
.feature-card:hover::after { transform: scaleY(1); }
.feature-icon {
  width: 48px;
  height: 48px;
  margin-bottom: 20px;
  color: var(--color-bg-deep);
}
.feature-card h3 {
  font-family: var(--font-display);
  font-size: 1.1rem;
  margin-bottom: 10px;
}
.feature-card p {
  font-size: 0.9rem;
  color: var(--color-text-muted);
}

/* Material estimate table motif */
.estimate-preview {
  margin-top: 64px;
  background: var(--color-bg-deep);
  border-radius: var(--radius-lg);
  overflow: hidden;
  color: var(--color-text-on-dark);
}
.estimate-preview-header {
  padding: 20px 28px;
  background: rgba(0,0,0,0.15);
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-family: var(--font-display);
  font-weight: 600;
}
.estimate-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.9rem;
}
.estimate-table th,
.estimate-table td {
  padding: 14px 28px;
  text-align: left;
  border-bottom: 1px solid rgba(255,255,255,0.08);
}
.estimate-table th {
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: rgba(244,248,255,0.5);
  font-weight: 600;
}
.estimate-table td:last-child { color: var(--color-accent); font-weight: 600; }
.estimate-table tr:last-child td { border-bottom: none; }

/* ============================================================
   HOME — Screenshots gallery
   ============================================================ */
.screenshots {
  padding: 100px 0;
}
.screenshot-row {
  display: flex;
  gap: 24px;
  margin-top: 48px;
  overflow-x: auto;
  padding-bottom: 16px;
  scroll-snap-type: x mandatory;
  -webkit-overflow-scrolling: touch;
}
.screenshot-item {
  flex: 0 0 200px;
  scroll-snap-align: start;
  text-align: center;
}
.screenshot-item .phone-mini {
  width: 180px;
  margin: 0 auto;
  background: #1a1a2e;
  border-radius: 28px;
  padding: 8px;
  border: 2px solid #2a2a40;
}
.screenshot-item .phone-mini .phone-screen {
  border-radius: 20px;
  aspect-ratio: 9/19.5;
  background: var(--color-bg-mid);
  overflow: hidden;
}
.screenshot-item p {
  margin-top: 12px;
  font-size: 0.85rem;
  color: var(--color-text-muted);
  font-weight: 500;
}

/* ============================================================
   HOME — About / description block
   ============================================================ */
.about-block {
  padding: 80px 0;
  background: linear-gradient(135deg, var(--color-bg-deep) 0%, var(--color-bg-mid) 100%);
  color: var(--color-text-on-dark);
  position: relative;
  overflow: hidden;
}
.about-block .blueprint-overlay {
  position: absolute;
  inset: 0;
  opacity: 0.06;
  background-image:
    linear-gradient(rgba(255,255,255,0.5) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.5) 1px, transparent 1px);
  background-size: 48px 48px;
}
.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
  align-items: start;
  position: relative;
  z-index: 1;
}
.about-text p {
  color: rgba(244,248,255,0.8);
  margin-bottom: 16px;
  font-size: 0.95rem;
}
.stat-row {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 16px;
  margin-top: 32px;
}
.stat-box {
  background: rgba(255,255,255,0.08);
  border: 1px solid rgba(255,255,255,0.12);
  border-radius: var(--radius-md);
  padding: 20px;
  text-align: center;
}
.stat-box strong {
  display: block;
  font-family: var(--font-display);
  font-size: 1.8rem;
  color: var(--color-accent);
  margin-bottom: 4px;
}
.stat-box span {
  font-size: 0.8rem;
  color: rgba(244,248,255,0.6);
}

/* ============================================================
   HOME — CTA band
   ============================================================ */
.cta-band {
  padding: 80px 0;
  text-align: center;
}
.cta-band .section-title { margin-bottom: 12px; }
.cta-band p { color: var(--color-text-muted); margin-bottom: 28px; }

/* ============================================================
   Footer
   ============================================================ */
.site-footer {
  background: var(--color-bg-deep);
  color: rgba(244,248,255,0.7);
  padding: 48px 0 32px;
}
.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: 40px;
  margin-bottom: 40px;
}
.footer-brand p {
  font-size: 0.9rem;
  margin-top: 12px;
  max-width: 300px;
}
.footer-col h4 {
  font-family: var(--font-display);
  color: var(--color-text-on-dark);
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: 16px;
}
.footer-col a {
  display: block;
  font-size: 0.9rem;
  padding: 6px 0;
  transition: color var(--transition);
}
.footer-col a:hover { color: var(--color-accent); }
.footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.1);
  padding-top: 24px;
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 12px;
  font-size: 0.8rem;
}

/* ============================================================
   Legal pages (Privacy, Terms)
   ============================================================ */
.page-hero {
  padding: calc(var(--nav-height) + 60px) 0 60px;
  text-align: center;
}
.page-hero h1 {
  font-family: var(--font-display);
  font-size: clamp(2rem, 4vw, 2.8rem);
  color: var(--color-text-on-dark);
  margin-bottom: 12px;
}
.page-hero p {
  color: rgba(244,248,255,0.65);
  font-size: 1rem;
}
.legal-content {
  background: var(--color-surface);
  border-radius: var(--radius-lg) var(--radius-lg) 0 0;
  margin-top: -20px;
  position: relative;
  z-index: 2;
  padding: 60px 0 80px;
  min-height: 50vh;
}
.legal-body {
  max-width: 720px;
  margin: 0 auto;
}
.legal-body h2 {
  font-family: var(--font-display);
  font-size: 1.3rem;
  color: var(--color-bg-deep);
  margin: 36px 0 12px;
  padding-left: 16px;
  border-left: 3px solid var(--color-accent);
}
.legal-body h2:first-child { margin-top: 0; }
.legal-body p,
.legal-body li {
  color: var(--color-text-muted);
  font-size: 0.95rem;
  margin-bottom: 14px;
}
.legal-body ul { list-style: disc; padding-left: 24px; margin-bottom: 16px; }
.legal-body .legal-updated {
  font-size: 0.85rem;
  color: var(--color-text-muted);
  padding: 16px 20px;
  background: var(--color-bg-light);
  border-radius: var(--radius-sm);
  margin-bottom: 32px;
  border-left: 3px solid var(--color-bg-mid);
}
.legal-highlight {
  background: var(--color-accent-soft);
  border: 1px solid rgba(255, 109, 29, 0.25);
  border-radius: var(--radius-md);
  padding: 20px 24px;
  margin: 24px 0;
}
.legal-highlight p { margin-bottom: 0; color: var(--color-text); }

/* ============================================================
   Contact page
   ============================================================ */
.contact-section {
  background: var(--color-surface);
  border-radius: var(--radius-lg) var(--radius-lg) 0 0;
  margin-top: -20px;
  position: relative;
  z-index: 2;
  padding: 60px 0 80px;
}
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
  align-items: start;
}
.contact-card {
  background: var(--color-bg-light);
  border-radius: var(--radius-lg);
  padding: 32px;
  border: 1px solid var(--color-border);
}
.contact-card h3 {
  font-family: var(--font-display);
  font-size: 1.2rem;
  margin-bottom: 24px;
  color: var(--color-bg-deep);
}
.contact-item {
  display: flex;
  align-items: flex-start;
  gap: 16px;
  margin-bottom: 24px;
}
.contact-item svg { flex-shrink: 0; color: var(--color-accent); margin-top: 2px; }
.contact-item strong {
  display: block;
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--color-text-muted);
  margin-bottom: 4px;
}
.contact-item span, .contact-item a {
  font-size: 1rem;
  color: var(--color-text);
}
.contact-item a:hover { color: var(--color-accent); }

/* Contact form */
.contact-form label {
  display: block;
  font-size: 0.85rem;
  font-weight: 600;
  margin-bottom: 6px;
  color: var(--color-text);
}
.contact-form .form-group { margin-bottom: 20px; }
.contact-form input,
.contact-form textarea,
.contact-form select {
  width: 100%;
  padding: 12px 16px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  font-family: var(--font-body);
  font-size: 0.95rem;
  background: var(--color-surface);
  transition: border-color var(--transition);
}
.contact-form input:focus,
.contact-form textarea:focus,
.contact-form select:focus {
  outline: none;
  border-color: var(--color-accent);
}
.contact-form textarea { resize: vertical; min-height: 120px; }
.form-note {
  font-size: 0.8rem;
  color: var(--color-text-muted);
  margin-top: 12px;
}

/* ============================================================
   Scroll reveal animation
   ============================================================ */
.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}
.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}

/* ============================================================
   Responsive
   ============================================================ */
@media (max-width: 900px) {
  .hero-inner,
  .about-grid,
  .contact-grid,
  .footer-grid { grid-template-columns: 1fr; }
  .feature-grid { grid-template-columns: 1fr 1fr; }
  .pipeline-track { grid-template-columns: 1fr 1fr; gap: 32px; }
  .pipeline-track::before { display: none; }
  .phone-showcase { min-height: 400px; margin-top: 20px; }
  .hero::after { height: 40px; }
  .footer-grid { gap: 28px; }
}

@media (max-width: 640px) {
  .nav-links {
    display: none;
    position: absolute;
    top: var(--nav-height);
    left: 0; right: 0;
    background: var(--color-bg-deep);
    flex-direction: column;
    padding: 16px;
    border-top: 1px solid rgba(255,255,255,0.1);
  }
  .nav-links.open { display: flex; }
  .nav-toggle { display: block; }
  .feature-grid { grid-template-columns: 1fr; }
  .pipeline-track { grid-template-columns: 1fr; }
  .stat-row { grid-template-columns: 1fr 1fr; }
  .hero h1 { font-size: 2rem; }
  .phone-back-1, .phone-back-2 { display: none; }
  .estimate-table th, .estimate-table td { padding: 10px 16px; font-size: 0.8rem; }
  .footer-bottom { flex-direction: column; text-align: center; }
}