/* ============================================
   Houston's Septic Tank Cleaning
   Stylesheet
   ============================================ */

/* ---------- CSS Custom Properties ---------- */
:root {
  --navy: #1a2744;
  --navy-light: #2a3d64;
  --navy-dark: #111b30;
  --gold: #d4a84b;
  --gold-light: #e8c97a;
  --gold-dark: #b8912e;
  --cream: #faf6f0;
  --cream-dark: #f0e8da;
  --sand: #f5f0e8;
  --sand-light: #faf8f4;
  --sky: #e8f0f8;
  --sky-light: #f2f7fc;
  --sage: #e8f0e8;
  --text: #1a2744;
  --text-light: #4a5568;
  --text-muted: #718096;
  --white: #ffffff;
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 20px;
  --radius-xl: 28px;
  --shadow-sm: 0 1px 3px rgba(26,39,68,0.06), 0 1px 2px rgba(26,39,68,0.04);
  --shadow-md: 0 4px 16px rgba(26,39,68,0.08), 0 2px 6px rgba(26,39,68,0.04);
  --shadow-lg: 0 12px 40px rgba(26,39,68,0.12), 0 4px 12px rgba(26,39,68,0.06);
  --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --font-body: 'DM Sans', system-ui, sans-serif;
  --font-display: 'Playfair Display', Georgia, serif;
}

/* ---------- Reset & Base ---------- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

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

body {
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.65;
  color: var(--text);
  background: var(--cream);
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

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

a {
  color: inherit;
  text-decoration: none;
  transition: var(--transition);
}

button { font-family: inherit; cursor: pointer; border: none; background: none; }

ul { list-style: none; }

.skip-link {
  position: absolute;
  top: -100%;
  left: 16px;
  background: var(--navy);
  color: var(--white);
  padding: 8px 16px;
  border-radius: var(--radius-sm);
  z-index: 1000;
  font-weight: 500;
}
.skip-link:focus { top: 16px; }

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}

/* ---------- Typography ---------- */
h1, h2, h3, h4 {
  font-family: var(--font-display);
  font-weight: 600;
  line-height: 1.2;
  color: var(--text);
}

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 28px;
  border-radius: var(--radius-xl);
  font-family: var(--font-body);
  font-weight: 600;
  font-size: 15px;
  letter-spacing: 0.01em;
  transition: var(--transition);
  white-space: nowrap;
}

.btn-primary {
  background: var(--navy);
  color: var(--white);
  box-shadow: 0 4px 16px rgba(26,39,68,0.25);
}
.btn-primary:hover {
  background: var(--navy-light);
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(26,39,68,0.3);
}

.btn-ghost {
  background: rgba(255,255,255,0.15);
  color: var(--white);
  border: 1.5px solid rgba(255,255,255,0.35);
  backdrop-filter: blur(8px);
}
.btn-ghost:hover {
  background: rgba(255,255,255,0.25);
  border-color: rgba(255,255,255,0.6);
  transform: translateY(-2px);
}

.btn-gold {
  background: var(--gold);
  color: var(--navy-dark);
  box-shadow: 0 4px 16px rgba(212,168,75,0.35);
}
.btn-gold:hover {
  background: var(--gold-light);
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(212,168,75,0.4);
}

.btn--light {
  background: var(--white);
  color: var(--navy);
  box-shadow: var(--shadow-md);
}
.btn--light:hover {
  background: var(--cream);
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
}

.btn--full { width: 100%; justify-content: center; }
.btn--lg { padding: 18px 36px; font-size: 17px; }

/* ---------- Section Labels ---------- */
.section-label {
  display: inline-block;
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--gold-dark);
  margin-bottom: 12px;
}
.section-label--light { color: var(--gold-light); }

.section-title {
  font-size: clamp(28px, 4vw, 48px);
  margin-bottom: 16px;
}
.section-title--light { color: var(--white); }

.section-desc, .why-intro, .area-desc, .cta-desc, .contact-desc {
  font-size: 17px;
  color: var(--text-light);
  line-height: 1.7;
  max-width: 560px;
}

/* ---------- Header / Navigation ---------- */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  padding: 16px 0;
  transition: var(--transition);
}

.header-inner {
  display: flex;
  align-items: center;
  gap: 24px;
}

.logo {
  display: flex;
  align-items: center;
  gap: 10px;
  color: var(--white);
  flex-shrink: 0;
}
.logo:hover { color: var(--gold-light); }

.logo-mark {
  color: var(--gold);
  transition: var(--transition);
}
.logo:hover .logo-mark { color: var(--gold-light); }

.logo-text {
  display: flex;
  flex-direction: column;
  line-height: 1.15;
}
.logo-name {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 16px;
}
.logo-tag {
  font-size: 11px;
  font-weight: 400;
  opacity: 0.75;
  letter-spacing: 0.04em;
}

.site-nav {
  margin-left: auto;
  display: flex;
  align-items: center;
  gap: 32px;
}
.site-nav ul {
  display: flex;
  gap: 8px;
}
.site-nav a:not(.nav-cta) {
  padding: 8px 16px;
  border-radius: var(--radius-xl);
  font-size: 14px;
  font-weight: 500;
  color: rgba(255,255,255,0.8);
}
.site-nav a:not(.nav-cta):hover {
  color: var(--white);
  background: rgba(255,255,255,0.1);
}

.nav-cta {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 10px 20px;
  background: var(--gold);
  color: var(--navy-dark);
  border-radius: var(--radius-xl);
  font-size: 14px;
  font-weight: 600;
  transition: var(--transition);
  white-space: nowrap;
}
.nav-cta:hover {
  background: var(--gold-light);
  transform: translateY(-1px);
}

/* Nav background states */
.nav-bg {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: 0;
  background: var(--navy);
  z-index: 99;
  transition: height 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}
.nav-bg.scrolled { height: 72px; }

.nav-scrim {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: 0;
  background: rgba(17,27,48,0.6);
  backdrop-filter: blur(4px);
  z-index: 98;
  transition: height 0.4s cubic-bezier(0.4, 0, 0.2, 1);
  pointer-events: none;
}
.nav-scrim.scrolled { height: 72px; }

/* Mobile menu toggle */
.menu-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: 8px;
  margin-left: auto;
  z-index: 110;
}
.menu-line {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--white);
  border-radius: 2px;
  transition: var(--transition);
  transform-origin: center;
}
.menu-toggle[aria-expanded="true"] .menu-line:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}
.menu-toggle[aria-expanded="true"] .menu-line:nth-child(2) {
  opacity: 0;
}
.menu-toggle[aria-expanded="true"] .menu-line:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

/* ---------- HERO ---------- */
.hero {
  position: relative;
  min-height: 100vh;
  min-height: 100dvh;
  display: flex;
  align-items: center;
  background: var(--navy);
  overflow: hidden;
  padding: 120px 0 80px;
}

.hero-bg {
  position: absolute;
  inset: 0;
  z-index: 0;
}
.hero-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.3;
}
.hero-scrim {
  position: absolute;
  inset: 0;
  background: linear-gradient(
    135deg,
    rgba(17,27,48,0.92) 0%,
    rgba(26,39,68,0.85) 40%,
    rgba(26,39,68,0.6) 70%,
    rgba(26,39,68,0.3) 100%
  );
}

.hero-container {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: 1fr 340px;
  gap: 48px;
  align-items: center;
}

.hero-content { max-width: 600px; }

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 16px;
  background: rgba(212,168,75,0.15);
  border: 1px solid rgba(212,168,75,0.3);
  border-radius: var(--radius-xl);
  color: var(--gold-light);
  font-size: 13px;
  font-weight: 500;
  margin-bottom: 24px;
}
.hero-badge svg { opacity: 0.8; }

.hero-headline {
  font-size: clamp(40px, 5.5vw, 72px);
  font-weight: 700;
  color: var(--white);
  line-height: 1.08;
  margin-bottom: 24px;
  letter-spacing: -0.02em;
}
.headline-accent {
  font-family: var(--font-display);
  font-style: italic;
  color: var(--gold);
  font-weight: 500;
}

.hero-sub {
  font-size: 18px;
  color: rgba(255,255,255,0.75);
  line-height: 1.7;
  margin-bottom: 36px;
  max-width: 480px;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-bottom: 48px;
}

.hero-trust {
  display: flex;
  flex-wrap: wrap;
  gap: 24px;
}
.trust-item {
  display: flex;
  align-items: center;
  gap: 8px;
  color: rgba(255,255,255,0.6);
  font-size: 13px;
  font-weight: 500;
}
.trust-item svg { color: var(--gold); opacity: 0.8; }

/* Hero Aside */
.hero-aside {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.aside-card {
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: var(--transition);
}
.aside-card:hover { transform: translateY(-4px); }

.aside-card-img {
  width: 100%;
  aspect-ratio: 4/5;
  overflow: hidden;
  border-radius: var(--radius-lg) var(--radius-lg) 0 0;
}
.aside-card-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.6s ease;
}
.aside-card:hover .aside-card-img img { transform: scale(1.05); }

.aside-card-body {
  padding: 20px;
  background: var(--white);
}
.aside-card--secondary .aside-card-body {
  background: var(--navy);
}

.aside-card-label {
  display: block;
  font-size: 12px;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--text-muted);
  margin-bottom: 4px;
}
.aside-card--secondary .aside-card-label { color: rgba(255,255,255,0.5); }

.aside-card-value {
  display: block;
  font-family: var(--font-display);
  font-size: 20px;
  font-weight: 600;
  color: var(--navy);
  line-height: 1.3;
}
.aside-card--secondary .aside-card-value { color: var(--white); }

.aside-card-phone {
  display: block;
  margin-top: 8px;
  font-size: 15px;
  font-weight: 600;
  color: var(--gold);
}
.aside-card-phone:hover { color: var(--gold-light); }

/* Hero Wave */
.hero-wave {
  position: absolute;
  bottom: -1px;
  left: 0;
  right: 0;
  z-index: 2;
  color: var(--sand);
}
.hero-wave svg { width: 100%; height: 80px; }

/* ---------- Services ---------- */
.services {
  background: var(--sand);
  padding: 100px 0 80px;
}

.section-header {
  text-align: center;
  margin-bottom: 64px;
}
.section-header .section-desc { margin: 0 auto; }

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

.service-card {
  background: var(--white);
  border-radius: var(--radius-lg);
  padding: 36px 28px;
  transition: var(--transition);
  border: 1px solid transparent;
}
.service-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-lg);
  border-color: rgba(212,168,75,0.2);
}

.service-icon {
  width: 56px;
  height: 56px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--sky);
  border-radius: var(--radius-md);
  color: var(--navy);
  margin-bottom: 20px;
  transition: var(--transition);
}
.service-card:hover .service-icon {
  background: var(--navy);
  color: var(--gold);
}

.service-title {
  font-size: 20px;
  margin-bottom: 10px;
}

.service-desc {
  font-size: 15px;
  color: var(--text-light);
  line-height: 1.7;
}

/* ---------- Why Us ---------- */
.why-us {
  background: var(--cream);
  padding: 100px 0;
}

.why-layout {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: center;
}

.why-visual { position: relative; }

.why-img-wrap {
  border-radius: var(--radius-xl);
  overflow: hidden;
  aspect-ratio: 6/7;
  box-shadow: var(--shadow-lg);
}
.why-img-wrap img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.why-stat-card {
  position: absolute;
  bottom: -24px;
  right: -24px;
  background: var(--white);
  border-radius: var(--radius-lg);
  padding: 28px 32px;
  box-shadow: var(--shadow-lg);
  text-align: center;
}
.stat-number {
  display: block;
  font-family: var(--font-display);
  font-size: 48px;
  font-weight: 700;
  color: var(--gold-dark);
  line-height: 1;
  margin-bottom: 4px;
}
.stat-label {
  font-size: 13px;
  color: var(--text-muted);
  line-height: 1.4;
}

.why-content { max-width: 480px; }
.why-intro { margin-bottom: 36px; }

.why-features {
  display: flex;
  flex-direction: column;
  gap: 24px;
}

.why-feature {
  display: flex;
  gap: 16px;
  align-items: flex-start;
}

.why-feature-icon {
  width: 44px;
  height: 44px;
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--sage);
  border-radius: var(--radius-sm);
  color: var(--navy);
  transition: var(--transition);
}
.why-feature:hover .why-feature-icon {
  background: var(--navy);
  color: var(--gold);
}

.why-feature-title {
  font-family: var(--font-body);
  font-size: 16px;
  font-weight: 600;
  margin-bottom: 2px;
}

.why-feature-desc {
  font-size: 14px;
  color: var(--text-light);
  line-height: 1.6;
}

/* ---------- Service Area ---------- */
.service-area {
  background: var(--sky-light);
  padding: 100px 0;
}

.area-layout {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
  align-items: stretch;
}

.area-content {
  display: flex;
  flex-direction: column;
  gap: 20px;
  padding: 48px;
  background: var(--white);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-sm);
}

.area-desc { margin-bottom: 4px; }

.area-list {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 8px 24px;
}

.area-item {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 15px;
  font-weight: 500;
  color: var(--text);
}
.area-item svg { flex-shrink: 0; color: var(--gold-dark); }

.area-note {
  font-size: 14px;
  color: var(--text-muted);
  font-style: italic;
}

.area-map {
  border-radius: var(--radius-xl);
  overflow: hidden;
  min-height: 400px;
  box-shadow: var(--shadow-md);
}
.map-placeholder {
  width: 100%;
  height: 100%;
  min-height: 400px;
  border-radius: var(--radius-xl);
  overflow: hidden;
}

/* ---------- CTA Banner ---------- */
.cta-banner {
  background: var(--navy);
  padding: 80px 0;
  position: relative;
  overflow: hidden;
}
.cta-banner::before {
  content: '';
  position: absolute;
  top: -50%;
  right: -20%;
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, rgba(212,168,75,0.12) 0%, transparent 70%);
  pointer-events: none;
}
.cta-banner::after {
  content: '';
  position: absolute;
  bottom: -30%;
  left: -10%;
  width: 400px;
  height: 400px;
  background: radial-gradient(circle, rgba(212,168,75,0.08) 0%, transparent 70%);
  pointer-events: none;
}

.cta-inner {
  position: relative;
  z-index: 1;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 32px;
  flex-wrap: wrap;
}

.cta-text { max-width: 520px; }
.cta-desc { color: rgba(255,255,255,0.7); }

.cta-actions { flex-shrink: 0; }

/* ---------- Contact ---------- */
.contact {
  background: var(--sand);
  padding: 100px 0;
}

.contact-layout {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
  align-items: start;
}

.contact-info { max-width: 480px; }
.contact-desc { margin-bottom: 36px; }

.contact-details {
  display: flex;
  flex-direction: column;
  gap: 24px;
}

.contact-detail {
  display: flex;
  gap: 16px;
  align-items: flex-start;
}

.contact-detail-icon {
  width: 48px;
  height: 48px;
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--white);
  border-radius: var(--radius-md);
  color: var(--navy);
  box-shadow: var(--shadow-sm);
}

.contact-detail-label {
  display: block;
  font-size: 12px;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--text-muted);
  margin-bottom: 2px;
}

.contact-detail-value {
  display: block;
  font-size: 15px;
  font-weight: 500;
  color: var(--text);
  line-height: 1.5;
}
.contact-link { color: var(--navy); }
.contact-link:hover { color: var(--gold-dark); }

/* Contact Form */
.contact-form-wrap {
  background: var(--white);
  border-radius: var(--radius-xl);
  padding: 40px;
  box-shadow: var(--shadow-md);
}

.form-title {
  font-size: 24px;
  margin-bottom: 24px;
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}

.form-group {
  margin-bottom: 16px;
}
.form-group label {
  display: block;
  font-size: 13px;
  font-weight: 600;
  color: var(--text);
  margin-bottom: 6px;
  letter-spacing: 0.02em;
}

.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  padding: 12px 16px;
  border: 1.5px solid var(--cream-dark);
  border-radius: var(--radius-md);
  font-family: var(--font-body);
  font-size: 15px;
  color: var(--text);
  background: var(--sand-light);
  transition: var(--transition);
  outline: none;
}
.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  border-color: var(--gold);
  background: var(--white);
  box-shadow: 0 0 0 3px rgba(212,168,75,0.15);
}
.form-group input::placeholder,
.form-group textarea::placeholder { color: var(--text-muted); }
.form-group textarea { resize: vertical; min-height: 100px; }

/* Form success */
.form-success {
  text-align: center;
  padding: 40px 20px;
}
.success-icon {
  width: 64px;
  height: 64px;
  margin: 0 auto 16px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--sage);
  border-radius: 50%;
  color: var(--navy);
}
.form-success h4 {
  font-size: 22px;
  margin-bottom: 8px;
}
.form-success p {
  font-size: 15px;
  color: var(--text-light);
  line-height: 1.6;
}
.form-success a { color: var(--gold-dark); font-weight: 600; }
.form-success a:hover { text-decoration: underline; }

/* ---------- Footer ---------- */
.site-footer {
  background: var(--navy-dark);
  color: rgba(255,255,255,0.7);
  padding: 48px 0 32px;
}

.footer-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding-bottom: 32px;
  border-bottom: 1px solid rgba(255,255,255,0.08);
  flex-wrap: wrap;
}

.footer-logo {
  color: var(--white);
  display: flex;
  align-items: center;
  gap: 10px;
}
.footer-logo:hover { color: var(--gold-light); }
.footer-logo .logo-mark { color: var(--gold); }

.footer-contact {
  display: flex;
  align-items: center;
  gap: 24px;
  flex-wrap: wrap;
}
.footer-phone {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  color: var(--gold);
  font-weight: 600;
  font-size: 15px;
}
.footer-phone:hover { color: var(--gold-light); }
.footer-address {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 14px;
}
.footer-address svg { color: var(--gold); opacity: 0.6; }

.footer-bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding-top: 24px;
  font-size: 13px;
  flex-wrap: wrap;
  color: rgba(255,255,255,0.4);
}

/* ---------- Scroll to Top ---------- */
.scroll-top {
  position: fixed;
  bottom: 32px;
  right: 32px;
  width: 48px;
  height: 48px;
  background: var(--navy);
  color: var(--white);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: var(--shadow-lg);
  z-index: 50;
  opacity: 0;
  visibility: hidden;
  transform: translateY(16px);
  transition: var(--transition);
  cursor: pointer;
}
.scroll-top.visible {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}
.scroll-top:hover {
  background: var(--gold);
  color: var(--navy-dark);
  transform: translateY(-2px);
}

/* ---------- Scroll Reveal ---------- */
.reveal {
  opacity: 0;
  transform: translateY(32px);
  transition: opacity 0.7s cubic-bezier(0.4, 0, 0.2, 1), transform 0.7s cubic-bezier(0.4, 0, 0.2, 1);
}
.reveal.revealed {
  opacity: 1;
  transform: translateY(0);
}
.reveal-delay-1 { transition-delay: 0.1s; }
.reveal-delay-2 { transition-delay: 0.2s; }
.reveal-delay-3 { transition-delay: 0.3s; }
.reveal-delay-4 { transition-delay: 0.4s; }
.reveal-delay-5 { transition-delay: 0.5s; }
.reveal-delay-6 { transition-delay: 0.6s; }

/* ---------- Responsive ---------- */
@media (max-width: 1024px) {
  .hero-container {
    grid-template-columns: 1fr;
  }
  .hero-aside {
    flex-direction: row;
    max-width: 500px;
  }
  .aside-card { flex: 1; }
  .aside-card-img { aspect-ratio: 16/9; }
  
  .services-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  
  .why-layout {
    grid-template-columns: 1fr;
    gap: 48px;
  }
  .why-content { max-width: 100%; }
  
  .area-layout {
    grid-template-columns: 1fr;
  }
  .area-map { min-height: 300px; }
  .map-placeholder { min-height: 300px; }
  
  .contact-layout {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 768px) {
  .container { padding: 0 20px; }
  
  /* Mobile nav */
  .menu-toggle { display: flex; }
  
  .site-nav {
    position: fixed;
    top: 0;
    right: 0;
    width: 280px;
    height: 100vh;
    height: 100dvh;
    background: var(--navy);
    flex-direction: column;
    justify-content: center;
    align-items: center;
    gap: 8px;
    padding: 80px 32px 32px;
    transform: translateX(100%);
    transition: transform 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    z-index: 105;
    box-shadow: -8px 0 32px rgba(0,0,0,0.3);
  }
  .site-nav.open { transform: translateX(0); }
  .site-nav ul {
    flex-direction: column;
    align-items: center;
    gap: 4px;
  }
  .site-nav a:not(.nav-cta) {
    font-size: 18px;
    padding: 12px 24px;
    width: 100%;
    text-align: center;
  }
  .nav-cta {
    margin-top: 16px;
    font-size: 16px;
    padding: 14px 28px;
  }
  
  /* Mobile overlay */
  .nav-overlay {
    position: fixed;
    inset: 0;
    background: rgba(0,0,0,0.5);
    z-index: 104;
    opacity: 0;
    visibility: hidden;
    transition: var(--transition);
  }
  .nav-overlay.active { opacity: 1; visibility: visible; }
  
  .hero { padding: 100px 0 60px; min-height: auto; }
  .hero-headline { font-size: clamp(32px, 8vw, 52px); }
  .hero-sub { font-size: 16px; }
  .hero-actions { flex-direction: column; }
  .hero-actions .btn { width: 100%; justify-content: center; }
  .hero-trust { gap: 16px; }
  
  .hero-aside { display: none; }
  
  .services { padding: 72px 0; }
  .services-grid { grid-template-columns: 1fr; }
  
  .why-us { padding: 72px 0; }
  .why-stat-card { right: 16px; bottom: -16px; padding: 20px 24px; }
  .stat-number { font-size: 36px; }
  
  .service-area { padding: 72px 0; }
  .area-content { padding: 32px; }
  .area-list { grid-template-columns: 1fr; }
  
  .cta-banner { padding: 60px 0; }
  .cta-inner { flex-direction: column; text-align: center; }
  
  .contact { padding: 72px 0; }
  .contact-form-wrap { padding: 28px; }
  .form-row { grid-template-columns: 1fr; }
  
  .footer-top { flex-direction: column; text-align: center; }
  .footer-bottom { flex-direction: column; text-align: center; }
  
  .scroll-top { bottom: 20px; right: 20px; width: 42px; height: 42px; }
}

@media (max-width: 480px) {
  .hero-headline { font-size: 32px; }
  .section-title { font-size: 26px; }
  .hero-badge { font-size: 12px; }
}

/* ---------- Reduced Motion ---------- */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
  html { scroll-behavior: auto; }
  .reveal { opacity: 1; transform: none; }
  .scroll-top { transition: none; }
}