/* ============================================
   NuCO2 — Professional Services
   Deep Navy + Warm Gold | Editorial Style
   ============================================ */

/* --- CSS Custom Properties --- */
:root {
  --navy-950: #050E1A;
  --navy-900: #0A1F3F;
  --navy-800: #0F2D5A;
  --navy-700: #163D74;
  --navy-600: #1E5090;
  --gold-500: #C8A44E;
  --gold-400: #D4B366;
  --gold-300: #E0C47E;
  --gold-200: #ECD49A;
  --gold-100: #F5E8C0;
  --cream-50: #FAF8F4;
  --cream-100: #F5F0E8;
  --cream-200: #EDE6D8;
  --slate-50: #F8FAFC;
  --slate-100: #F1F5F9;
  --slate-200: #E2E8F0;
  --slate-300: #CBD5E1;
  --slate-400: #94A3B8;
  --slate-500: #64748B;
  --slate-600: #475569;
  --slate-700: #334155;
  --slate-800: #1E293B;
  --slate-900: #0F172A;

  --font-serif: 'Playfair Display', Georgia, 'Times New Roman', serif;
  --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;

  --shadow-sm: 0 1px 2px rgba(10, 31, 63, 0.06);
  --shadow-md: 0 4px 16px rgba(10, 31, 63, 0.10);
  --shadow-lg: 0 8px 32px rgba(10, 31, 63, 0.14);
  --shadow-xl: 0 16px 48px rgba(10, 31, 63, 0.18);

  --radius-sm: 6px;
  --radius-md: 12px;
  --radius-lg: 20px;
  --radius-xl: 28px;

  --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

/* --- 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-sans);
  font-size: 16px;
  line-height: 1.65;
  color: var(--slate-800);
  background: var(--cream-50);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}

img, svg { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
button { font-family: inherit; cursor: pointer; border: none; background: none; }
input, select, textarea { font-family: inherit; font-size: inherit; }
ul { list-style: none; }

.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}

/* --- Typography --- */
h1, h2, h3, h4 {
  font-family: var(--font-serif);
  font-weight: 700;
  line-height: 1.15;
  color: var(--navy-900);
}

/* --- Navigation --- */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  background: rgba(10, 31, 63, 0.92);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid rgba(200, 164, 78, 0.15);
  transition: var(--transition);
}

.nav-inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
  height: 72px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.nav-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
}

.nav-logo-mark {
  width: 38px;
  height: 38px;
  background: var(--gold-500);
  color: var(--navy-950);
  font-family: var(--font-serif);
  font-weight: 900;
  font-size: 20px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-sm);
  letter-spacing: -1px;
}

.nav-logo-text {
  font-family: var(--font-serif);
  font-size: 22px;
  font-weight: 700;
  color: #fff;
  letter-spacing: -0.5px;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 32px;
}

.nav-links a {
  font-size: 14px;
  font-weight: 500;
  color: rgba(255, 255, 255, 0.75);
  letter-spacing: 0.02em;
  transition: color var(--transition);
  position: relative;
}

.nav-links a:not(.nav-cta):hover {
  color: var(--gold-400);
}

.nav-links a:not(.nav-cta)::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0;
  height: 1.5px;
  background: var(--gold-500);
  transition: width var(--transition);
}

.nav-links a:not(.nav-cta):hover::after {
  width: 100%;
}

.nav-cta {
  padding: 10px 22px;
  background: var(--gold-500);
  color: var(--navy-950) !important;
  border-radius: var(--radius-sm);
  font-weight: 600;
  font-size: 14px;
  letter-spacing: 0.01em;
  transition: background var(--transition), transform var(--transition);
}

.nav-cta:hover {
  background: var(--gold-400);
  transform: translateY(-1px);
}

.nav-cta::after { display: none !important; }

/* Mobile Toggle */
.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: 8px;
  z-index: 1001;
}

.nav-toggle-line {
  width: 24px;
  height: 2px;
  background: #fff;
  border-radius: 2px;
  transition: var(--transition);
  transform-origin: center;
}

.nav-toggle.active .nav-toggle-line:nth-child(1) {
  transform: rotate(45deg) translate(5px, 5px);
}
.nav-toggle.active .nav-toggle-line:nth-child(2) {
  opacity: 0;
}
.nav-toggle.active .nav-toggle-line:nth-child(3) {
  transform: rotate(-45deg) translate(5px, -5px);
}

/* --- Hero --- */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  background: var(--navy-900);
  padding: 120px 24px 60px;
  overflow: hidden;
}

.hero-bg-pattern {
  position: absolute;
  inset: 0;
  background-image:
    radial-gradient(ellipse 80% 60% at 70% 20%, rgba(200, 164, 78, 0.08) 0%, transparent 60%),
    radial-gradient(ellipse 50% 40% at 20% 80%, rgba(30, 80, 144, 0.3) 0%, transparent 60%);
  pointer-events: none;
}

.hero-grid {
  position: relative;
  max-width: 1200px;
  margin: 0 auto;
  width: 100%;
  display: grid;
  grid-template-columns: 1fr 320px;
  grid-template-rows: auto auto;
  gap: 20px;
  align-items: start;
}

/* Main Hero Card */
.hero-card {
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: var(--radius-lg);
  padding: 48px;
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
}

.hero-card-main {
  grid-column: 1;
  grid-row: 1 / 3;
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 24px;
  padding: 56px;
  min-height: 520px;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 16px;
  background: rgba(200, 164, 78, 0.15);
  border: 1px solid rgba(200, 164, 78, 0.3);
  border-radius: 100px;
  font-size: 13px;
  font-weight: 600;
  color: var(--gold-400);
  letter-spacing: 0.06em;
  text-transform: uppercase;
  width: fit-content;
}

.hero-headline {
  font-size: clamp(36px, 5vw, 64px);
  font-weight: 900;
  color: #fff;
  line-height: 1.08;
  letter-spacing: -0.02em;
}

.hero-accent {
  color: var(--gold-500);
  font-style: italic;
}

.hero-sub {
  font-size: 17px;
  line-height: 1.7;
  color: rgba(255, 255, 255, 0.65);
  max-width: 480px;
}

.hero-actions {
  display: flex;
  gap: 14px;
  flex-wrap: wrap;
  margin-top: 8px;
}

/* Floating Stat Cards */
.hero-card-stat {
  padding: 24px;
  display: flex;
  flex-direction: column;
  gap: 10px;
  position: relative;
}

.hero-card-stat::before {
  content: '';
  position: absolute;
  inset: 0;
  border-radius: var(--radius-lg);
  padding: 1px;
  background: linear-gradient(135deg, rgba(200, 164, 78, 0.4), rgba(255, 255, 255, 0.08));
  -webkit-mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
  mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
  -webkit-mask-composite: xor;
  mask-composite: exclude;
  pointer-events: none;
}

.hero-card-stat .hero-card {
  background: rgba(255, 255, 255, 0.06);
  border: none;
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-radius: var(--radius-md);
  padding: 28px;
  display: flex;
  flex-direction: column;
  gap: 10px;
  height: 100%;
}

.hero-card-stat--alt .hero-card {
  background: var(--gold-500);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
}

.hero-card-stat--alt .stat-icon { color: var(--navy-950); }
.hero-card-stat--alt .stat-number { color: var(--navy-950); }
.hero-card-stat--alt .stat-label { color: rgba(5, 14, 26, 0.7); }

.stat-icon {
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--gold-500);
}

.stat-number {
  font-family: var(--font-serif);
  font-size: 36px;
  font-weight: 900;
  color: var(--gold-400);
  line-height: 1;
  letter-spacing: -0.02em;
}

.stat-label {
  font-size: 13px;
  font-weight: 500;
  color: rgba(255, 255, 255, 0.6);
  line-height: 1.4;
}

/* Hero Image Strip */
.hero-image-strip {
  position: absolute;
  right: 0;
  bottom: 0;
  display: flex;
  gap: 0;
  height: 220px;
  opacity: 0.5;
  pointer-events: none;
}

.hero-image-strip img {
  height: 100%;
  object-fit: cover;
  border-radius: 0;
  flex-shrink: 0;
}

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

.btn-primary {
  background: var(--gold-500);
  color: var(--navy-950);
  box-shadow: 0 4px 16px rgba(200, 164, 78, 0.3);
}

.btn-primary:hover {
  background: var(--gold-400);
  transform: translateY(-2px);
  box-shadow: 0 6px 24px rgba(200, 164, 78, 0.4);
}

.btn-ghost {
  background: transparent;
  color: rgba(255, 255, 255, 0.85);
  border: 1px solid rgba(255, 255, 255, 0.25);
}

.btn-ghost:hover {
  border-color: var(--gold-500);
  color: var(--gold-400);
  transform: translateY(-2px);
}

.btn-full { width: 100%; }

/* --- Section Base --- */
.section {
  padding: 100px 0;
}

.section-header {
  margin-bottom: 60px;
}

.section-header--center {
  text-align: center;
}

.section-tag {
  display: inline-block;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--gold-500);
  margin-bottom: 16px;
}

.section-title {
  font-size: clamp(30px, 4vw, 48px);
  letter-spacing: -0.02em;
  margin-bottom: 16px;
}

.section-accent {
  color: var(--gold-500);
  font-style: italic;
}

.section-desc {
  font-size: 17px;
  color: var(--slate-500);
  max-width: 560px;
  line-height: 1.7;
}

.section-header--center .section-desc {
  margin: 0 auto;
}

/* --- Services --- */
.services {
  background: var(--cream-50);
}

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

.service-card {
  background: #fff;
  border: 1px solid var(--slate-200);
  border-radius: var(--radius-md);
  padding: 36px;
  transition: all var(--transition);
  position: relative;
  overflow: hidden;
}

.service-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: var(--gold-500);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform var(--transition);
}

.service-card:hover {
  border-color: rgba(200, 164, 78, 0.3);
  box-shadow: var(--shadow-lg);
  transform: translateY(-4px);
}

.service-card:hover::before {
  transform: scaleX(1);
}

.service-icon {
  width: 52px;
  height: 52px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(10, 31, 63, 0.06);
  border-radius: var(--radius-sm);
  color: var(--navy-800);
  margin-bottom: 20px;
  transition: all var(--transition);
}

.service-card:hover .service-icon {
  background: var(--navy-900);
  color: var(--gold-500);
}

.service-title {
  font-size: 20px;
  margin-bottom: 10px;
  letter-spacing: -0.01em;
}

.service-desc {
  font-size: 15px;
  color: var(--slate-500);
  line-height: 1.7;
  margin-bottom: 20px;
}

.service-link {
  font-size: 14px;
  font-weight: 600;
  color: var(--navy-800);
  display: inline-flex;
  align-items: center;
  gap: 6px;
  transition: gap var(--transition), color var(--transition);
}

.service-link:hover {
  color: var(--gold-500);
  gap: 10px;
}

/* --- About --- */
.about {
  background: #fff;
}

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

.about-image-wrap {
  position: relative;
}

.about-image-wrap img {
  width: 100%;
  height: 640px;
  object-fit: cover;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-xl);
}

.about-image-accent {
  position: absolute;
  bottom: -20px;
  right: -20px;
  width: 200px;
  height: 200px;
  background: var(--gold-500);
  border-radius: var(--radius-lg);
  z-index: -1;
  opacity: 0.3;
}

.about-content {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.about-body {
  font-size: 16px;
  color: var(--slate-600);
  line-height: 1.8;
}

.about-values {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 14px;
  margin-top: 8px;
}

.value-item {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 14px;
  font-weight: 500;
  color: var(--slate-700);
}

.value-icon {
  width: 24px;
  height: 24px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--gold-500);
  flex-shrink: 0;
}

/* --- Why --- */
.why {
  background: var(--navy-900);
  position: relative;
  overflow: hidden;
}

.why::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image:
    radial-gradient(ellipse 60% 50% at 80% 50%, rgba(200, 164, 78, 0.06) 0%, transparent 60%);
  pointer-events: none;
}

.why .section-tag { color: var(--gold-400); }
.why .section-title { color: #fff; }

.why-grid {
  position: relative;
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
  max-width: 900px;
  margin: 0 auto;
}

.why-card {
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: var(--radius-md);
  padding: 40px;
  transition: all var(--transition);
}

.why-card:hover {
  background: rgba(255, 255, 255, 0.07);
  border-color: rgba(200, 164, 78, 0.3);
  transform: translateY(-4px);
}

.why-number {
  font-family: var(--font-serif);
  font-size: 48px;
  font-weight: 900;
  color: rgba(200, 164, 78, 0.2);
  line-height: 1;
  margin-bottom: 16px;
}

.why-title {
  font-size: 22px;
  color: #fff;
  margin-bottom: 10px;
  letter-spacing: -0.01em;
}

.why-desc {
  font-size: 15px;
  color: rgba(255, 255, 255, 0.55);
  line-height: 1.7;
}

/* --- Testimonials --- */
.testimonials {
  background: var(--cream-50);
}

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

.testimonial-card {
  background: #fff;
  border: 1px solid var(--slate-200);
  border-radius: var(--radius-md);
  padding: 36px;
  display: flex;
  flex-direction: column;
  gap: 20px;
  transition: all var(--transition);
}

.testimonial-card:hover {
  box-shadow: var(--shadow-lg);
  transform: translateY(-4px);
  border-color: transparent;
}

.testimonial-quote-mark {
  font-family: var(--font-serif);
  font-size: 64px;
  line-height: 1;
  color: var(--gold-500);
  opacity: 0.4;
  margin-top: -8px;
}

.testimonial-text {
  font-size: 15px;
  color: var(--slate-600);
  line-height: 1.8;
  flex: 1;
}

.testimonial-author {
  display: flex;
  align-items: center;
  gap: 12px;
  padding-top: 16px;
  border-top: 1px solid var(--slate-100);
}

.testimonial-avatar {
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--navy-900);
  border-radius: 50%;
  color: var(--gold-500);
  flex-shrink: 0;
}

.testimonial-name {
  font-weight: 600;
  font-size: 14px;
  color: var(--slate-800);
}

.testimonial-role {
  font-size: 13px;
  color: var(--slate-400);
}

/* --- CTA / Contact --- */
.cta-section {
  background: #fff;
  padding: 100px 0;
}

.cta-card {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: start;
  background: var(--navy-900);
  border-radius: var(--radius-xl);
  padding: 64px;
  position: relative;
  overflow: hidden;
}

.cta-card::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image:
    radial-gradient(ellipse 50% 80% at 0% 100%, rgba(200, 164, 78, 0.1) 0%, transparent 60%);
  pointer-events: none;
}

.cta-content {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.cta-content .section-tag { color: var(--gold-400); }

.cta-title {
  font-size: clamp(28px, 3.5vw, 42px);
  color: #fff;
  letter-spacing: -0.02em;
}

.cta-desc {
  font-size: 16px;
  color: rgba(255, 255, 255, 0.6);
  line-height: 1.7;
}

/* Form */
.cta-form-wrap {
  position: relative;
}

.cta-form {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

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

.form-group {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.form-group label {
  font-size: 13px;
  font-weight: 600;
  color: rgba(255, 255, 255, 0.7);
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.form-group input,
.form-group select,
.form-group textarea {
  padding: 12px 16px;
  background: rgba(255, 255, 255, 0.07);
  border: 1px solid rgba(255, 255, 255, 0.15);
  border-radius: var(--radius-sm);
  color: #fff;
  font-size: 15px;
  transition: all var(--transition);
  outline: none;
}

.form-group input::placeholder,
.form-group textarea::placeholder {
  color: rgba(255, 255, 255, 0.3);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  border-color: var(--gold-500);
  background: rgba(255, 255, 255, 0.1);
  box-shadow: 0 0 0 3px rgba(200, 164, 78, 0.15);
}

.form-group select {
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 24 24' fill='none' stroke='rgba(255,255,255,0.5)' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='6 9 12 15 18 9'%3E%3C/polyline%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 14px center;
  padding-right: 40px;
  color: rgba(255, 255, 255, 0.7);
}

.form-group select option {
  background: var(--navy-900);
  color: #fff;
}

.form-group textarea {
  resize: vertical;
  min-height: 100px;
}

.form-note {
  font-size: 13px;
  color: rgba(255, 255, 255, 0.35);
  text-align: center;
}

/* Success State */
.form-success {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 16px;
  padding: 48px 24px;
  text-align: center;
}

.form-success .success-icon {
  width: 64px;
  height: 64px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(200, 164, 78, 0.15);
  border-radius: 50%;
  color: var(--gold-500);
}

.form-success h3 {
  font-size: 24px;
  color: #fff;
}

.form-success p {
  font-size: 15px;
  color: rgba(255, 255, 255, 0.6);
  line-height: 1.6;
  max-width: 300px;
}

/* --- Footer --- */
.footer {
  background: var(--navy-950);
  padding: 72px 0 0;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr 1.2fr;
  gap: 48px;
  padding-bottom: 48px;
}

.footer-brand .footer-logo {
  margin-bottom: 16px;
}

.footer-desc {
  font-size: 14px;
  color: rgba(255, 255, 255, 0.45);
  line-height: 1.7;
  max-width: 260px;
}

.footer-col-title {
  font-family: var(--font-sans);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--gold-500);
  margin-bottom: 20px;
}

.footer-links {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.footer-links a {
  font-size: 14px;
  color: rgba(255, 255, 255, 0.5);
  transition: color var(--transition);
}

.footer-links a:hover {
  color: var(--gold-400);
}

.footer-contact {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.footer-contact li {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  font-size: 14px;
  color: rgba(255, 255, 255, 0.5);
  line-height: 1.5;
}

.footer-contact a {
  color: rgba(255, 255, 255, 0.5);
  transition: color var(--transition);
}

.footer-contact a:hover {
  color: var(--gold-400);
}

.footer-contact svg {
  flex-shrink: 0;
  margin-top: 3px;
  color: var(--gold-500);
  opacity: 0.7;
}

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.07);
  padding: 24px 0;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
}

.footer-copy,
.footer-legal {
  font-size: 13px;
  color: rgba(255, 255, 255, 0.3);
}

/* --- Scroll Reveal (progressive enhancement) --- */
@media (prefers-reduced-motion: no-preference) {
  .reveal {
    opacity: 0;
    transform: translateY(24px);
    transition: opacity 0.6s cubic-bezier(0.4, 0, 0.2, 1), transform 0.6s 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; }
}

/* --- Responsive --- */
@media (max-width: 1024px) {
  .hero-grid {
    grid-template-columns: 1fr 260px;
    gap: 16px;
  }

  .hero-card-main {
    padding: 40px;
    min-height: 440px;
  }

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

  .about-grid {
    gap: 40px;
  }

  .about-image-wrap img {
    height: 480px;
  }

  .cta-card {
    padding: 48px;
    gap: 40px;
  }

  .footer-grid {
    grid-template-columns: 1fr 1fr;
    gap: 36px;
  }
}

@media (max-width: 768px) {
  .nav-toggle { display: flex; }

  .nav-links {
    position: fixed;
    top: 0;
    right: 0;
    bottom: 0;
    width: min(320px, 85vw);
    background: var(--navy-900);
    flex-direction: column;
    justify-content: center;
    align-items: center;
    gap: 28px;
    transform: translateX(100%);
    transition: transform var(--transition);
    box-shadow: var(--shadow-xl);
  }

  .nav-links.open {
    transform: translateX(0);
  }

  .nav-links a {
    font-size: 18px;
    color: rgba(255, 255, 255, 0.8);
  }

  .nav-cta {
    font-size: 16px;
    padding: 14px 32px;
  }

  /* Mobile overlay */
  .nav-links::before {
    content: '';
    position: fixed;
    inset: 0;
    left: 0;
    background: rgba(0, 0, 0, 0.5);
    z-index: -1;
  }

  .hero {
    padding: 100px 20px 80px;
    min-height: auto;
  }

  .hero-grid {
    grid-template-columns: 1fr;
    gap: 16px;
  }

  .hero-card-main {
    grid-column: auto;
    grid-row: auto;
    min-height: auto;
    padding: 32px;
  }

  .hero-card-float {
    display: none;
  }

  .hero-image-strip {
    display: none;
  }

  .hero-actions {
    flex-direction: column;
  }

  .hero-actions .btn {
    width: 100%;
    text-align: center;
  }

  .section { padding: 72px 0; }

  .services-grid {
    grid-template-columns: 1fr;
  }

  .about-grid {
    grid-template-columns: 1fr;
    gap: 32px;
  }

  .about-image-wrap img {
    height: 360px;
  }

  .about-image-accent { display: none; }

  .about-values {
    grid-template-columns: 1fr;
  }

  .why-grid {
    grid-template-columns: 1fr;
  }

  .testimonials-grid {
    grid-template-columns: 1fr;
  }

  .cta-card {
    grid-template-columns: 1fr;
    padding: 32px;
    border-radius: var(--radius-md);
  }

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

  .footer-grid {
    grid-template-columns: 1fr;
    gap: 32px;
  }

  .footer-bottom {
    flex-direction: column;
    text-align: center;
    gap: 8px;
  }
}

@media (max-width: 480px) {
  .hero-card-main { padding: 24px; }
  .hero-headline { font-size: 32px; }
  .section-title { font-size: 28px; }
  .service-card { padding: 28px; }
  .why-card { padding: 28px; }
  .testimonial-card { padding: 28px; }
}