/* ============================================
   D&N Solutions London — Shared Stylesheet
============================================ */

:root {
  --navy: #0B1E4E;
  --navy-deep: #061534;
  --navy-dark: #030B22;
  --gold: #C9A34F;
  --gold-soft: #E0C88A;
  --silver: #A8B0B9;
  --cream: #F8F6F1;
  --off-white: #FDFCF9;
  --text: #1A1A2E;
  --text-muted: #4A5266;
  --border: #E5E1D6;
  --shadow: 0 20px 60px -20px rgba(11, 30, 78, 0.15);
  --shadow-sm: 0 4px 20px -6px rgba(11, 30, 78, 0.1);
}

* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  color: var(--text);
  background: var(--off-white);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

h1, h2, h3, h4, h5, h6 {
  font-family: 'Playfair Display', Georgia, serif;
  font-weight: 500;
  letter-spacing: -0.01em;
  line-height: 1.2;
}

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

.container {
  max-width: 1240px;
  margin: 0 auto;
  padding: 0 32px;
}

/* ============ NAV ============ */
.nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  background: rgba(253, 252, 249, 0.92);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid rgba(11, 30, 78, 0.08);
  z-index: 100;
  transition: all 0.3s ease;
}
.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 32px;
  max-width: 1240px;
  margin: 0 auto;
}
.nav-logo { display: flex; align-items: center; gap: 12px; }
.nav-logo img { height: 52px; width: auto; }
.nav-brand { display: flex; flex-direction: column; line-height: 1.1; }
.nav-brand-name {
  font-family: 'Playfair Display', serif;
  font-size: 18px; font-weight: 600;
  color: var(--navy); letter-spacing: 0.02em;
}
.nav-brand-tag {
  font-size: 10px; font-weight: 500;
  color: var(--gold); letter-spacing: 0.25em;
  text-transform: uppercase; margin-top: 2px;
}
.nav-links {
  display: flex; gap: 36px;
  align-items: center; list-style: none;
}
.nav-links a {
  font-size: 14px; font-weight: 500;
  color: var(--text); transition: color 0.2s ease;
  position: relative;
}
.nav-links a:hover { color: var(--navy); }
.nav-links a:hover::after {
  content: ''; position: absolute;
  bottom: -4px; left: 0; right: 0;
  height: 1px; background: var(--gold);
}
.nav-links a.active { color: var(--navy); }
.nav-links a.active::after {
  content: ''; position: absolute;
  bottom: -4px; left: 0; right: 0;
  height: 1px; background: var(--gold);
}
.nav-cta {
  background: var(--navy);
  color: #fff !important;
  padding: 10px 22px; border-radius: 2px;
  font-size: 13px; font-weight: 600;
  letter-spacing: 0.05em; text-transform: uppercase;
  transition: background 0.2s ease;
}
.nav-cta:hover { background: var(--navy-deep) !important; }
.nav-cta:hover::after { display: none; }
.nav-cta.active::after { display: none; }
.nav-toggle {
  display: none;
  background: none; border: none;
  cursor: pointer; padding: 8px;
}
.nav-toggle span {
  display: block; width: 24px; height: 2px;
  background: var(--navy); margin: 5px 0;
  transition: 0.3s;
}

/* ============ BUTTONS ============ */
.btn {
  display: inline-flex; align-items: center; gap: 10px;
  padding: 16px 32px;
  font-size: 14px; font-weight: 600;
  letter-spacing: 0.08em; text-transform: uppercase;
  border: none; cursor: pointer;
  transition: all 0.3s ease;
  border-radius: 2px;
  font-family: 'Inter', sans-serif;
}
.btn-primary { background: var(--gold); color: var(--navy-dark); }
.btn-primary:hover {
  background: var(--gold-soft);
  transform: translateY(-2px);
  box-shadow: 0 12px 32px -8px rgba(201, 163, 79, 0.4);
}
.btn-secondary {
  background: transparent; color: #fff;
  border: 1px solid rgba(255, 255, 255, 0.3);
}
.btn-secondary:hover {
  background: rgba(255, 255, 255, 0.08);
  border-color: rgba(255, 255, 255, 0.6);
}
.btn-dark {
  background: var(--navy); color: #fff;
}
.btn-dark:hover {
  background: var(--navy-deep);
  transform: translateY(-2px);
  box-shadow: 0 12px 32px -8px rgba(11, 30, 78, 0.3);
}
.btn-arrow { transition: transform 0.2s ease; }
.btn:hover .btn-arrow { transform: translateX(4px); }

/* ============ HERO (Home) ============ */
.hero {
  position: relative;
  min-height: 100vh;
  background: linear-gradient(135deg, var(--navy-dark) 0%, var(--navy-deep) 50%, var(--navy) 100%);
  color: #fff; overflow: hidden;
  display: flex; align-items: center;
  padding: 140px 0 100px;
}
.hero-skyline {
  position: absolute; bottom: 0;
  left: 0; right: 0; height: 120px;
  opacity: 0.18; pointer-events: none;
}
.hero-glow, .hero-glow-2 {
  position: absolute; border-radius: 50%;
  pointer-events: none;
}
.hero-glow {
  width: 800px; height: 800px;
  background: radial-gradient(circle, rgba(201, 163, 79, 0.15) 0%, transparent 60%);
  top: -300px; right: -200px;
}
.hero-glow-2 {
  width: 600px; height: 600px;
  background: radial-gradient(circle, rgba(201, 163, 79, 0.08) 0%, transparent 60%);
  bottom: -200px; left: -100px;
}
.hero-content { position: relative; z-index: 2; max-width: 900px; }
.hero-eyebrow {
  display: inline-flex; align-items: center; gap: 12px;
  font-size: 12px; font-weight: 500;
  letter-spacing: 0.3em; text-transform: uppercase;
  color: var(--gold); margin-bottom: 32px;
}
.hero-eyebrow::before {
  content: ''; width: 32px; height: 1px;
  background: var(--gold);
}
.hero h1 {
  font-size: clamp(40px, 6vw, 72px);
  font-weight: 400; line-height: 1.05;
  margin-bottom: 32px; letter-spacing: -0.02em;
}
.hero h1 em {
  font-style: italic;
  color: var(--gold-soft); font-weight: 400;
}
.hero-sub {
  font-size: 18px; line-height: 1.7;
  color: rgba(255, 255, 255, 0.85);
  max-width: 680px; margin-bottom: 48px;
  font-weight: 300;
}
.hero-actions {
  display: flex; gap: 20px; flex-wrap: wrap;
}

/* ============ PAGE HERO (sub-pages) ============ */
.page-hero {
  background: linear-gradient(135deg, var(--navy-dark) 0%, var(--navy) 100%);
  color: #fff; padding: 180px 0 100px;
  position: relative; overflow: hidden;
}
.page-hero::before {
  content: ''; position: absolute;
  top: -200px; right: -200px;
  width: 600px; height: 600px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(201, 163, 79, 0.12) 0%, transparent 60%);
  pointer-events: none;
}
.page-hero-content {
  position: relative; z-index: 2;
  max-width: 820px;
}
.page-hero h1 {
  font-size: clamp(36px, 5.5vw, 64px);
  font-weight: 400; line-height: 1.1;
  margin-bottom: 24px; letter-spacing: -0.02em;
}
.page-hero h1 em {
  font-style: italic; color: var(--gold-soft);
}
.page-hero p {
  font-size: 20px; line-height: 1.6;
  color: rgba(255, 255, 255, 0.8);
  max-width: 680px; font-weight: 300;
}
.breadcrumb {
  display: inline-flex; align-items: center; gap: 12px;
  font-size: 12px; font-weight: 500;
  letter-spacing: 0.25em; text-transform: uppercase;
  color: var(--gold); margin-bottom: 32px;
}
.breadcrumb a { color: var(--gold); opacity: 0.7; }
.breadcrumb a:hover { opacity: 1; }
.breadcrumb-sep { color: var(--gold); opacity: 0.4; }

/* ============ SECTIONS ============ */
section { padding: 120px 0; }
.section-eyebrow {
  display: inline-flex; align-items: center; gap: 12px;
  font-size: 12px; font-weight: 600;
  letter-spacing: 0.3em; text-transform: uppercase;
  color: var(--gold); margin-bottom: 24px;
}
.section-eyebrow::before {
  content: ''; width: 32px; height: 1px;
  background: var(--gold);
}
.section-title {
  font-size: clamp(32px, 4.5vw, 52px);
  font-weight: 500; color: var(--navy);
  margin-bottom: 24px; max-width: 780px;
  line-height: 1.15;
}
.section-title em {
  font-style: italic; color: var(--gold);
  font-weight: 400;
}
.section-intro {
  font-size: 18px; color: var(--text-muted);
  max-width: 720px; line-height: 1.7;
}

/* ============ INTRO / STATS ============ */
.intro {
  background: var(--cream); padding: 100px 0;
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}
.intro-grid {
  display: grid; grid-template-columns: 1.1fr 1fr;
  gap: 80px; align-items: center;
}
.intro-text h2 {
  font-size: clamp(28px, 3.5vw, 40px);
  color: var(--navy); margin-bottom: 24px;
  line-height: 1.2;
}
.intro-text p {
  font-size: 17px; color: var(--text-muted);
  line-height: 1.75; margin-bottom: 16px;
}
.intro-stats {
  display: grid; grid-template-columns: 1fr 1fr; gap: 32px;
}
.stat {
  padding: 32px 24px; background: #fff;
  border-left: 3px solid var(--gold);
  box-shadow: var(--shadow-sm);
}
.stat-num {
  font-family: 'Playfair Display', serif;
  font-size: 44px; font-weight: 600;
  color: var(--navy); line-height: 1; margin-bottom: 8px;
}
.stat-label {
  font-size: 13px; color: var(--text-muted);
  font-weight: 500; letter-spacing: 0.02em;
}

/* ============ SERVICES ============ */
.services { background: var(--off-white); }
.services-head { margin-bottom: 72px; }
.services-grid {
  display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px;
}
.service-card {
  background: #fff; padding: 44px 36px;
  border: 1px solid var(--border);
  transition: all 0.4s ease;
  position: relative; overflow: hidden;
  cursor: pointer;
}
.service-card::before {
  content: ''; position: absolute;
  top: 0; left: 0; width: 100%; height: 3px;
  background: var(--gold);
  transform: scaleX(0); transform-origin: left;
  transition: transform 0.4s ease;
}
.service-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow);
  border-color: var(--gold-soft);
}
.service-card:hover::before { transform: scaleX(1); }
.service-num {
  font-family: 'Playfair Display', serif;
  font-size: 14px; color: var(--gold);
  letter-spacing: 0.1em; margin-bottom: 24px;
}
.service-icon {
  width: 48px; height: 48px;
  display: flex; align-items: center; justify-content: center;
  color: var(--navy); margin-bottom: 24px;
}
.service-card h3 {
  font-size: 22px; color: var(--navy);
  margin-bottom: 16px; font-weight: 500;
}
.service-card p {
  font-size: 15px; color: var(--text-muted);
  line-height: 1.7;
}

/* ============ APPROACH ============ */
.approach {
  background: var(--navy); color: #fff;
  position: relative; overflow: hidden;
}
.approach::before {
  content: ''; position: absolute;
  top: 0; right: 0;
  width: 500px; height: 500px;
  background: radial-gradient(circle, rgba(201, 163, 79, 0.1) 0%, transparent 60%);
  border-radius: 50%;
}
.approach-grid {
  display: grid; grid-template-columns: 1fr 1fr;
  gap: 80px; align-items: start;
  position: relative; z-index: 2;
}
.approach h2 { color: #fff; }
.approach .section-title em { color: var(--gold-soft); }
.approach-lead {
  font-size: 18px; color: rgba(255, 255, 255, 0.75);
  line-height: 1.7; margin-bottom: 32px;
}
.principles { list-style: none; }
.principle {
  padding: 32px 0;
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
  display: flex; gap: 24px; align-items: flex-start;
}
.principle:last-child { border-bottom: none; }
.principle-num {
  font-family: 'Playfair Display', serif;
  font-size: 32px; color: var(--gold);
  font-weight: 400; line-height: 1; min-width: 60px;
}
.principle-content h4 {
  font-family: 'Playfair Display', serif;
  font-size: 22px; color: #fff;
  margin-bottom: 8px; font-weight: 500;
}
.principle-content p {
  color: rgba(255, 255, 255, 0.7);
  font-size: 15px; line-height: 1.7;
}

/* ============ EXPERTISE ============ */
.expertise { background: var(--cream); }
.expertise-head { text-align: center; margin-bottom: 72px; }
.expertise-head .section-eyebrow { justify-content: center; }
.expertise-head .section-eyebrow::before { display: none; }
.expertise-head .section-title {
  margin: 0 auto 24px; text-align: center;
}
.expertise-head .section-intro {
  margin: 0 auto; text-align: center;
}
.pills {
  display: flex; flex-wrap: wrap;
  justify-content: center; gap: 12px;
  max-width: 960px; margin: 0 auto;
}
.pill {
  padding: 14px 24px; background: #fff;
  border: 1px solid var(--border);
  font-size: 14px; font-weight: 500;
  color: var(--navy);
  transition: all 0.3s ease;
  cursor: default;
}
.pill:hover {
  background: var(--navy); color: #fff;
  border-color: var(--navy);
  transform: translateY(-2px);
  box-shadow: 0 8px 20px -6px rgba(11, 30, 78, 0.25);
}

/* ============ CTA ============ */
.cta {
  background: linear-gradient(135deg, var(--navy-dark) 0%, var(--navy) 100%);
  color: #fff; text-align: center;
  position: relative; overflow: hidden;
}
.cta::before {
  content: ''; position: absolute;
  top: 50%; left: 50%;
  transform: translate(-50%, -50%);
  width: 900px; height: 900px;
  background: radial-gradient(circle, rgba(201, 163, 79, 0.1) 0%, transparent 50%);
  border-radius: 50%;
}
.cta-inner {
  position: relative; z-index: 2;
  max-width: 780px; margin: 0 auto;
}
.cta h2 {
  font-size: clamp(32px, 5vw, 52px);
  color: #fff; margin-bottom: 24px; font-weight: 400;
}
.cta h2 em { color: var(--gold-soft); font-style: italic; }
.cta p {
  font-size: 18px; color: rgba(255, 255, 255, 0.8);
  margin-bottom: 40px; line-height: 1.6;
}
.cta-actions {
  display: flex; gap: 20px;
  justify-content: center; flex-wrap: wrap;
}

/* ============ ABOUT PAGE ============ */
.about-lead {
  padding: 100px 0; background: var(--off-white);
}
.about-lead-grid {
  display: grid; grid-template-columns: 1fr 1.5fr;
  gap: 80px; align-items: start;
}
.director-card {
  background: #fff; border: 1px solid var(--border);
  padding: 40px; box-shadow: var(--shadow-sm);
  border-top: 3px solid var(--gold);
}
.director-avatar {
  width: 120px; height: 120px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--navy) 0%, var(--navy-deep) 100%);
  color: var(--gold);
  display: flex; align-items: center; justify-content: center;
  font-family: 'Playfair Display', serif;
  font-size: 48px; font-weight: 500;
  margin-bottom: 24px;
}
.director-name {
  font-family: 'Playfair Display', serif;
  font-size: 26px; color: var(--navy);
  margin-bottom: 4px;
}
.director-title {
  font-size: 13px; color: var(--gold);
  letter-spacing: 0.2em; text-transform: uppercase;
  font-weight: 600; margin-bottom: 20px;
}
.director-bio p {
  font-size: 16px; color: var(--text-muted);
  line-height: 1.75; margin-bottom: 16px;
}

.team-section { background: var(--cream); }
.team-grid {
  display: grid; grid-template-columns: repeat(3, 1fr);
  gap: 24px; margin-top: 60px;
}
.team-member {
  background: #fff; padding: 32px 28px;
  border: 1px solid var(--border);
  transition: all 0.3s ease;
}
.team-member:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-sm);
  border-color: var(--gold-soft);
}
.team-avatar {
  width: 72px; height: 72px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--navy) 0%, var(--navy-deep) 100%);
  color: var(--gold);
  display: flex; align-items: center; justify-content: center;
  font-family: 'Playfair Display', serif;
  font-size: 26px; font-weight: 500;
  margin-bottom: 20px;
}
.team-name {
  font-family: 'Playfair Display', serif;
  font-size: 20px; color: var(--navy);
  margin-bottom: 4px;
}
.team-role {
  font-size: 12px; color: var(--gold);
  letter-spacing: 0.15em; text-transform: uppercase;
  font-weight: 600;
}

/* ============ CASE STUDIES ============ */
.case-list { padding: 100px 0; background: var(--off-white); }
.case-item {
  background: #fff; border: 1px solid var(--border);
  margin-bottom: 40px; overflow: hidden;
  transition: box-shadow 0.3s ease;
}
.case-item:hover { box-shadow: var(--shadow); }
.case-grid {
  display: grid; grid-template-columns: 1fr 1.4fr;
  gap: 0;
}
.case-visual {
  background: linear-gradient(135deg, var(--navy) 0%, var(--navy-deep) 100%);
  color: #fff; padding: 60px 48px;
  position: relative; overflow: hidden;
  min-height: 400px;
  display: flex; flex-direction: column; justify-content: space-between;
}
.case-visual::before {
  content: ''; position: absolute;
  top: -100px; right: -100px;
  width: 300px; height: 300px;
  background: radial-gradient(circle, rgba(201, 163, 79, 0.15) 0%, transparent 60%);
  border-radius: 50%;
}
.case-tag {
  display: inline-block;
  font-size: 11px; letter-spacing: 0.25em;
  text-transform: uppercase; color: var(--gold);
  font-weight: 600; margin-bottom: 24px;
  position: relative; z-index: 2;
}
.case-visual h3 {
  font-size: 32px; color: #fff;
  line-height: 1.2; margin-bottom: 20px;
  position: relative; z-index: 2;
}
.case-visual .services-used {
  display: flex; flex-wrap: wrap; gap: 8px;
  position: relative; z-index: 2;
}
.service-tag {
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.15);
  padding: 6px 14px;
  font-size: 11px; color: rgba(255, 255, 255, 0.85);
  border-radius: 2px;
}
.case-body { padding: 60px 48px; }
.case-body h4 {
  font-size: 14px; color: var(--gold);
  letter-spacing: 0.15em; text-transform: uppercase;
  font-weight: 600; margin-bottom: 12px;
  margin-top: 28px;
}
.case-body h4:first-child { margin-top: 0; }
.case-body p {
  color: var(--text-muted); font-size: 16px;
  line-height: 1.75;
}
.case-body ul {
  color: var(--text-muted); font-size: 16px;
  padding-left: 24px; line-height: 1.75;
}
.case-body ul li { margin-bottom: 6px; }
.case-metrics {
  display: grid; grid-template-columns: repeat(3, 1fr);
  gap: 16px; margin-top: 32px;
  padding-top: 32px;
  border-top: 1px solid var(--border);
}
.case-metric {
  text-align: center;
}
.case-metric-num {
  font-family: 'Playfair Display', serif;
  font-size: 36px; color: var(--navy);
  font-weight: 600; line-height: 1;
  margin-bottom: 6px;
}
.case-metric-label {
  font-size: 12px; color: var(--text-muted);
  line-height: 1.4;
}

/* ============ CONTACT PAGE ============ */
.contact-section {
  padding: 100px 0; background: var(--off-white);
}
.contact-grid {
  display: grid; grid-template-columns: 1.3fr 1fr;
  gap: 80px; align-items: start;
}
.contact-form-wrap {
  background: #fff; padding: 48px;
  border: 1px solid var(--border);
  border-top: 3px solid var(--gold);
  box-shadow: var(--shadow-sm);
}
.form-group { margin-bottom: 24px; }
.form-row {
  display: grid; grid-template-columns: 1fr 1fr; gap: 20px;
}
.form-label {
  display: block; font-size: 12px;
  font-weight: 600; color: var(--navy);
  letter-spacing: 0.1em; text-transform: uppercase;
  margin-bottom: 8px;
}
.form-label .required { color: var(--gold); }
.form-input, .form-textarea, .form-select {
  width: 100%; padding: 14px 16px;
  border: 1px solid var(--border);
  background: var(--off-white);
  font-family: 'Inter', sans-serif;
  font-size: 15px; color: var(--text);
  transition: all 0.2s ease;
  border-radius: 2px;
}
.form-input:focus, .form-textarea:focus, .form-select:focus {
  outline: none; border-color: var(--gold);
  background: #fff;
  box-shadow: 0 0 0 3px rgba(201, 163, 79, 0.1);
}
.form-textarea { resize: vertical; min-height: 140px; }
.form-select {
  appearance: none;
  background-image: url("data:image/svg+xml;charset=UTF-8,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'%3E%3Cpath fill='%234A5266' d='M6 8L0 0h12z'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 16px center;
  padding-right: 40px;
}
.form-submit {
  width: 100%; margin-top: 8px;
  justify-content: center;
}
.form-success, .form-error {
  padding: 20px 24px; margin-bottom: 24px;
  border-radius: 2px; font-size: 15px; display: none;
}
.form-success {
  background: #EBF7F0; color: #1B5E3A;
  border-left: 3px solid #34A853;
}
.form-error {
  background: #FDECEA; color: #8B2318;
  border-left: 3px solid #D93025;
}

.contact-info h2 {
  font-size: 32px; color: var(--navy);
  margin-bottom: 24px; line-height: 1.2;
}
.contact-info-item {
  padding: 24px 0;
  border-bottom: 1px solid var(--border);
}
.contact-info-item:last-child { border-bottom: none; }
.contact-info-label {
  font-size: 11px; color: var(--gold);
  letter-spacing: 0.25em; text-transform: uppercase;
  font-weight: 600; margin-bottom: 8px;
}
.contact-info-value {
  font-size: 17px; color: var(--navy);
  line-height: 1.5;
}
.contact-info-value a { color: var(--navy); }
.contact-info-value a:hover { color: var(--gold); }

/* ============ LEGAL PAGES ============ */
.legal-content {
  padding: 80px 0 120px;
  background: var(--off-white);
}
.legal-inner {
  max-width: 800px; margin: 0 auto;
}
.legal-inner h2 {
  font-size: 26px; color: var(--navy);
  margin-top: 48px; margin-bottom: 16px;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--border);
}
.legal-inner h2:first-child { margin-top: 0; }
.legal-inner h3 {
  font-size: 20px; color: var(--navy);
  margin-top: 32px; margin-bottom: 12px;
  font-weight: 500;
}
.legal-inner p {
  color: var(--text-muted); font-size: 16px;
  line-height: 1.75; margin-bottom: 16px;
}
.legal-inner ul, .legal-inner ol {
  color: var(--text-muted); font-size: 16px;
  line-height: 1.75; margin-bottom: 20px;
  padding-left: 28px;
}
.legal-inner li { margin-bottom: 8px; }
.legal-inner a { color: var(--navy); border-bottom: 1px solid var(--gold); }
.legal-inner a:hover { color: var(--gold); }
.legal-inner strong { color: var(--navy); }
.legal-meta {
  padding: 20px 24px; background: var(--cream);
  border-left: 3px solid var(--gold);
  font-size: 14px; color: var(--text-muted);
  margin-bottom: 40px;
}

/* ============ FOOTER ============ */
footer {
  background: var(--navy-dark);
  color: rgba(255, 255, 255, 0.6);
  padding: 80px 0 40px;
  border-top: 1px solid rgba(255, 255, 255, 0.05);
}
.footer-grid {
  display: grid; grid-template-columns: 1.5fr 1fr 1fr 1fr;
  gap: 60px; margin-bottom: 60px;
}
.footer-brand img {
  height: 80px; margin-bottom: 20px;
  filter: brightness(1.1);
}
.footer-brand p {
  font-size: 14px; line-height: 1.7;
  color: rgba(255, 255, 255, 0.55);
  max-width: 320px;
}
.footer-col h5 {
  font-family: 'Inter', sans-serif;
  font-size: 12px; letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--gold); margin-bottom: 20px;
  font-weight: 600;
}
.footer-col ul { list-style: none; }
.footer-col li { margin-bottom: 12px; }
.footer-col a {
  font-size: 14px;
  color: rgba(255, 255, 255, 0.6);
  transition: color 0.2s ease;
}
.footer-col a:hover { color: var(--gold); }
.footer-col address {
  font-size: 14px; font-style: normal;
  color: rgba(255, 255, 255, 0.6); line-height: 1.7;
}
.footer-bottom {
  padding-top: 32px;
  border-top: 1px solid rgba(255, 255, 255, 0.05);
  display: flex; justify-content: space-between;
  align-items: center; font-size: 13px;
  color: rgba(255, 255, 255, 0.4);
  flex-wrap: wrap; gap: 16px;
}
.footer-bottom a {
  color: rgba(255, 255, 255, 0.5);
  transition: color 0.2s ease;
}
.footer-bottom a:hover { color: var(--gold); }
.footer-legal-links a { margin-left: 24px; }
.footer-legal-links a:first-child { margin-left: 0; }

/* ============ RESPONSIVE ============ */
@media (max-width: 1024px) {
  .services-grid { grid-template-columns: repeat(2, 1fr); }
  .intro-grid, .approach-grid { grid-template-columns: 1fr; gap: 60px; }
  .about-lead-grid { grid-template-columns: 1fr; gap: 60px; }
  .team-grid { grid-template-columns: repeat(2, 1fr); }
  .case-grid { grid-template-columns: 1fr; }
  .case-visual { min-height: auto; padding: 48px 36px; }
  .case-body { padding: 48px 36px; }
  .contact-grid { grid-template-columns: 1fr; gap: 60px; }
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 40px; }
}

@media (max-width: 768px) {
  .container { padding: 0 20px; }
  section { padding: 80px 0; }
  .nav-inner { padding: 14px 20px; }
  .nav-links {
    position: fixed;
    top: 74px; right: 0; left: 0;
    background: var(--off-white);
    flex-direction: column; padding: 24px;
    gap: 20px;
    transform: translateY(-120%);
    transition: transform 0.3s ease;
    border-bottom: 1px solid var(--border);
  }
  .nav-links.open { transform: translateY(0); }
  .nav-toggle { display: block; }
  .nav-brand-name { font-size: 15px; }
  .nav-logo img { height: 44px; }
  .hero { padding: 120px 0 80px; min-height: auto; }
  .page-hero { padding: 140px 0 80px; }
  .hero-actions, .cta-actions { flex-direction: column; }
  .btn { justify-content: center; }
  .services-grid { grid-template-columns: 1fr; }
  .intro-stats { grid-template-columns: 1fr; }
  .team-grid { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; }
  .principle { flex-direction: column; gap: 12px; }
  .form-row { grid-template-columns: 1fr; }
  .contact-form-wrap { padding: 32px 24px; }
  .case-metrics { grid-template-columns: 1fr; }
}

/* ============ ANIMATIONS ============ */
.fade-in {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.8s ease, transform 0.8s ease;
}
.fade-in.visible {
  opacity: 1;
  transform: translateY(0);
}