/* ============================================
   AGILECORP - Premium Consulting Website
   Design System & Styles
   ============================================ */

/* --- CSS Variables / Design Tokens --- */
:root {
  --color-primary: #0B1D32;
  --color-primary-light: #132D4A;
  --color-secondary: #1A3A5C;
  --color-accent: #C0392B;
  --color-accent-light: #D94F42;
  --color-accent-dark: #A02E23;
  --color-white: #FFFFFF;
  --color-off-white: #F7F8FA;
  --color-light-gray: #E8ECF1;
  --color-mid-gray: #8A96A8;
  --color-dark-gray: #4A5568;
  --color-text: #2D3748;
  --color-text-light: #CBD5E0;

  --font-heading: 'Inter', 'Segoe UI', -apple-system, sans-serif;
  --font-body: 'Inter', 'Segoe UI', -apple-system, sans-serif;

  --shadow-sm: 0 1px 3px rgba(11, 29, 50, 0.08);
  --shadow-md: 0 4px 16px rgba(11, 29, 50, 0.10);
  --shadow-lg: 0 8px 32px rgba(11, 29, 50, 0.12);
  --shadow-xl: 0 16px 48px rgba(11, 29, 50, 0.16);

  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 16px;

  --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --max-width: 1200px;
}

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

html {
  scroll-behavior: smooth;
  font-size: 16px;
}

body {
  font-family: var(--font-body);
  color: var(--color-text);
  background: var(--color-white);
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}

img { max-width: 100%; height: auto; display: block; }
a { text-decoration: none; color: inherit; transition: var(--transition); }
ul, ol { list-style: none; }

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

/* --- Typography --- */
h1, h2, h3, h4, h5 {
  font-family: var(--font-heading);
  font-weight: 700;
  line-height: 1.2;
  color: var(--color-primary);
}

h1 { font-size: clamp(2.2rem, 5vw, 3.5rem); letter-spacing: -0.02em; }
h2 { font-size: clamp(1.8rem, 3.5vw, 2.5rem); letter-spacing: -0.01em; }
h3 { font-size: clamp(1.2rem, 2vw, 1.5rem); }
h4 { font-size: 1.125rem; }

.section-label {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--color-accent);
  margin-bottom: 12px;
}

.section-title {
  margin-bottom: 20px;
}

.section-subtitle {
  font-size: 1.125rem;
  color: var(--color-dark-gray);
  max-width: 640px;
  line-height: 1.8;
}

/* --- Buttons --- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 32px;
  font-family: var(--font-body);
  font-size: 0.9rem;
  font-weight: 600;
  letter-spacing: 0.02em;
  border: none;
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: var(--transition);
  white-space: nowrap;
}

.btn-primary {
  background: var(--color-accent);
  color: var(--color-white);
}
.btn-primary:hover {
  background: var(--color-accent-light);
  transform: translateY(-1px);
  box-shadow: var(--shadow-md);
}

.btn-secondary {
  background: transparent;
  color: var(--color-white);
  border: 1.5px solid rgba(255,255,255,0.3);
}
.btn-secondary:hover {
  border-color: var(--color-accent);
  color: var(--color-accent);
}

.btn-outline {
  background: transparent;
  color: var(--color-primary);
  border: 1.5px solid var(--color-primary);
}
.btn-outline:hover {
  background: var(--color-primary);
  color: var(--color-white);
}

.btn-dark {
  background: var(--color-primary);
  color: var(--color-white);
}
.btn-dark:hover {
  background: var(--color-primary-light);
  transform: translateY(-1px);
  box-shadow: var(--shadow-md);
}

.btn-sm { padding: 10px 24px; font-size: 0.85rem; }
.btn-arrow::after { content: '\2192'; font-size: 1.1em; }

/* ============================================
   HEADER / NAVIGATION
   ============================================ */
.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  padding: 0 0;
  transition: var(--transition);
}

.header--transparent {
  background: transparent;
}

.header--solid {
  background: rgba(11, 29, 50, 0.97);
  backdrop-filter: blur(12px);
  box-shadow: 0 1px 8px rgba(0,0,0,0.15);
}

.header .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 80px;
}

.logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 1.4rem;
  font-weight: 800;
  color: var(--color-white);
  letter-spacing: -0.02em;
}

.logo-img {
  height: 44px;
  width: auto;
}

.logo-icon {
  width: 36px;
  height: 36px;
  background: var(--color-accent);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 900;
  font-size: 1rem;
  color: var(--color-white);
}

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

.nav-links a {
  font-size: 0.875rem;
  font-weight: 500;
  color: rgba(255,255,255,0.8);
  letter-spacing: 0.01em;
  position: relative;
}

.nav-links a:hover {
  color: var(--color-accent);
}

.nav-links a::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--color-accent);
  transition: var(--transition);
}

.nav-links a:hover::after {
  width: 100%;
}

.nav-cta {
  margin-left: 16px;
}

.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  background: none;
  border: none;
  padding: 8px;
}

.nav-toggle span {
  width: 24px;
  height: 2px;
  background: var(--color-white);
  transition: var(--transition);
}

/* ============================================
   HERO
   ============================================ */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-secondary) 50%, var(--color-primary-light) 100%);
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background:
    radial-gradient(ellipse at 20% 80%, rgba(201, 168, 76, 0.08) 0%, transparent 50%),
    radial-gradient(ellipse at 80% 20%, rgba(26, 58, 92, 0.3) 0%, transparent 50%);
}

.hero-grid {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-image:
    linear-gradient(rgba(255,255,255,0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.03) 1px, transparent 1px);
  background-size: 60px 60px;
}

.hero .container {
  position: relative;
  z-index: 2;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: center;
  padding-top: 80px;
}

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

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 16px;
  background: rgba(201, 168, 76, 0.15);
  border: 1px solid rgba(201, 168, 76, 0.3);
  border-radius: 100px;
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--color-accent);
  margin-bottom: 32px;
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

.hero-badge::before {
  content: '';
  width: 6px;
  height: 6px;
  background: var(--color-accent);
  border-radius: 50%;
}

.hero h1 {
  color: var(--color-white);
  margin-bottom: 24px;
  line-height: 1.15;
}

.hero h1 .accent {
  color: var(--color-accent);
}

.hero-text {
  font-size: 1.15rem;
  color: var(--color-text-light);
  line-height: 1.8;
  margin-bottom: 40px;
  max-width: 500px;
}

.hero-buttons {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
}

.hero-metrics {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
}

.metric-card {
  background: rgba(255,255,255,0.05);
  backdrop-filter: blur(8px);
  border: 1px solid rgba(255,255,255,0.08);
  border-radius: var(--radius-md);
  padding: 32px 28px;
  text-align: center;
  transition: var(--transition);
}

.metric-card:hover {
  background: rgba(255,255,255,0.08);
  border-color: rgba(201, 168, 76, 0.3);
  transform: translateY(-4px);
}

.metric-value {
  font-size: 2.5rem;
  font-weight: 800;
  color: var(--color-accent);
  line-height: 1;
  margin-bottom: 8px;
}

.metric-label {
  font-size: 0.85rem;
  color: var(--color-text-light);
  font-weight: 500;
}

/* ============================================
   TRUST BAR
   ============================================ */
.trust-bar {
  background: var(--color-off-white);
  padding: 32px 0;
  border-bottom: 1px solid var(--color-light-gray);
}

.trust-bar .container {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 48px;
  flex-wrap: wrap;
}

.trust-label {
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-mid-gray);
  white-space: nowrap;
}

.trust-logos {
  display: flex;
  align-items: center;
  gap: 40px;
  flex-wrap: wrap;
}

.trust-logo {
  font-size: 0.9rem;
  font-weight: 700;
  color: var(--color-mid-gray);
  opacity: 0.6;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  white-space: nowrap;
}

/* ============================================
   SECTIONS COMMON
   ============================================ */
.section {
  padding: 100px 0;
}

.section--gray {
  background: var(--color-off-white);
}

.section--dark {
  background: var(--color-primary);
}

.section--dark h2,
.section--dark h3,
.section--dark h4,
.section--dark p,
.section--dark .section-subtitle {
  color: var(--color-white);
}

.section--dark .section-subtitle {
  color: var(--color-text-light);
}

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

.section-header .section-subtitle {
  margin: 0 auto;
}

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

.service-card {
  background: var(--color-white);
  border: 1px solid var(--color-light-gray);
  border-radius: var(--radius-md);
  padding: 40px 32px;
  transition: var(--transition);
  position: relative;
  overflow: hidden;
}

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

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

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

.service-icon {
  width: 56px;
  height: 56px;
  background: rgba(201, 168, 76, 0.1);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  margin-bottom: 24px;
  color: var(--color-accent-dark);
}

.service-card h3 {
  margin-bottom: 12px;
}

.service-card p {
  color: var(--color-dark-gray);
  font-size: 0.95rem;
  line-height: 1.7;
  margin-bottom: 20px;
}

.service-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.service-tag {
  font-size: 0.75rem;
  font-weight: 600;
  padding: 4px 12px;
  background: var(--color-off-white);
  color: var(--color-dark-gray);
  border-radius: 100px;
}

/* ============================================
   DIFFERENTIATORS
   ============================================ */
.diff-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
  margin-top: 48px;
}

.diff-card {
  text-align: center;
  padding: 48px 32px;
  border-radius: var(--radius-md);
  background: rgba(255,255,255,0.04);
  border: 1px solid rgba(255,255,255,0.08);
  transition: var(--transition);
}

.diff-card:hover {
  background: rgba(255,255,255,0.08);
  border-color: rgba(201, 168, 76, 0.3);
}

.diff-icon {
  font-size: 2.5rem;
  margin-bottom: 24px;
}

.diff-card h3 {
  color: var(--color-accent);
  margin-bottom: 12px;
}

.diff-card p {
  font-size: 0.95rem;
  line-height: 1.7;
}

.diff-versus {
  margin-top: 16px;
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--color-mid-gray);
  font-style: italic;
}

/* ============================================
   SECTORS
   ============================================ */
.sectors-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}

.sector-card {
  background: var(--color-white);
  border: 1px solid var(--color-light-gray);
  border-radius: var(--radius-md);
  padding: 36px 28px;
  text-align: center;
  transition: var(--transition);
}

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

.sector-icon {
  font-size: 2.5rem;
  margin-bottom: 20px;
}

.sector-card h3 {
  font-size: 1.1rem;
  margin-bottom: 12px;
}

.sector-card p {
  font-size: 0.875rem;
  color: var(--color-dark-gray);
  line-height: 1.6;
}

/* ============================================
   CASE STUDIES
   ============================================ */
.cases-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 32px;
}

.case-card {
  background: var(--color-white);
  border: 1px solid var(--color-light-gray);
  border-radius: var(--radius-md);
  overflow: hidden;
  transition: var(--transition);
}

.case-card:hover {
  box-shadow: var(--shadow-lg);
  transform: translateY(-4px);
}

.case-header {
  padding: 32px 32px 24px;
  border-bottom: 1px solid var(--color-light-gray);
}

.case-sector {
  display: inline-block;
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-accent-dark);
  background: rgba(201, 168, 76, 0.1);
  padding: 4px 12px;
  border-radius: 100px;
  margin-bottom: 12px;
}

.case-card h3 {
  font-size: 1.2rem;
  margin-bottom: 12px;
}

.case-context {
  font-size: 0.9rem;
  color: var(--color-dark-gray);
  line-height: 1.6;
}

.case-body {
  padding: 24px 32px;
}

.case-challenge, .case-solution {
  margin-bottom: 20px;
}

.case-body h4 {
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-mid-gray);
  margin-bottom: 8px;
}

.case-body p {
  font-size: 0.9rem;
  color: var(--color-dark-gray);
  line-height: 1.6;
}

.case-results {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
  padding: 24px 32px;
  background: var(--color-off-white);
}

.case-result {
  text-align: center;
}

.case-result-value {
  font-size: 1.5rem;
  font-weight: 800;
  color: var(--color-accent-dark);
}

.case-result-label {
  font-size: 0.75rem;
  color: var(--color-dark-gray);
  margin-top: 4px;
}

/* ============================================
   METHODOLOGY
   ============================================ */
.method-steps {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 32px;
  position: relative;
}

.method-steps::before {
  content: '';
  position: absolute;
  top: 40px;
  left: 12.5%;
  right: 12.5%;
  height: 2px;
  background: linear-gradient(90deg, var(--color-accent), var(--color-light-gray));
}

.method-step {
  text-align: center;
  position: relative;
}

.step-number {
  width: 80px;
  height: 80px;
  background: var(--color-primary);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  font-weight: 800;
  color: var(--color-accent);
  margin: 0 auto 24px;
  border: 3px solid var(--color-accent);
  position: relative;
  z-index: 2;
}

.method-step h3 {
  font-size: 1rem;
  margin-bottom: 8px;
}

.method-step p {
  font-size: 0.875rem;
  color: var(--color-dark-gray);
  line-height: 1.6;
}

/* ============================================
   PARTNERSHIPS
   ============================================ */
.partner-content {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: start;
}

.partner-text h3 {
  font-size: 1.3rem;
  margin-bottom: 16px;
}

.partner-text p {
  color: var(--color-dark-gray);
  margin-bottom: 24px;
  line-height: 1.7;
}

.partner-benefits {
  margin-bottom: 32px;
}

.partner-benefit {
  display: flex;
  align-items: flex-start;
  gap: 16px;
  margin-bottom: 20px;
}

.partner-benefit-icon {
  width: 40px;
  height: 40px;
  min-width: 40px;
  background: rgba(201, 168, 76, 0.1);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.1rem;
  color: var(--color-accent-dark);
}

.partner-benefit h4 {
  margin-bottom: 4px;
  color: var(--color-primary);
}

.partner-benefit p {
  font-size: 0.9rem;
  margin-bottom: 0;
}

.partner-scenarios {
  background: var(--color-off-white);
  border-radius: var(--radius-md);
  padding: 40px;
}

.partner-scenarios h3 {
  margin-bottom: 24px;
}

.scenario {
  padding: 20px 0;
  border-bottom: 1px solid var(--color-light-gray);
}

.scenario:last-child {
  border-bottom: none;
  padding-bottom: 0;
}

.scenario h4 {
  color: var(--color-primary);
  margin-bottom: 8px;
  display: flex;
  align-items: center;
  gap: 8px;
}

.scenario h4::before {
  content: '';
  width: 8px;
  height: 8px;
  background: var(--color-accent);
  border-radius: 50%;
}

.scenario p {
  font-size: 0.9rem;
  color: var(--color-dark-gray);
  line-height: 1.6;
  padding-left: 24px;
}

/* ============================================
   CAREERS
   ============================================ */
.careers-content {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: center;
}

.careers-values {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
  margin-top: 32px;
}

.value-item {
  padding: 24px;
  background: rgba(255,255,255,0.04);
  border: 1px solid rgba(255,255,255,0.08);
  border-radius: var(--radius-md);
  transition: var(--transition);
}

.value-item:hover {
  border-color: rgba(201, 168, 76, 0.3);
  background: rgba(255,255,255,0.06);
}

.value-item h4 {
  color: var(--color-accent);
  margin-bottom: 8px;
  font-size: 1rem;
}

.value-item p {
  font-size: 0.875rem;
  color: var(--color-text-light);
  line-height: 1.6;
}

.careers-profiles h3 {
  color: var(--color-white);
  margin-bottom: 24px;
}

.profile-card {
  background: rgba(255,255,255,0.05);
  border: 1px solid rgba(255,255,255,0.1);
  border-radius: var(--radius-md);
  padding: 24px;
  margin-bottom: 16px;
  transition: var(--transition);
}

.profile-card:hover {
  background: rgba(255,255,255,0.08);
  border-color: rgba(201, 168, 76, 0.3);
}

.profile-card h4 {
  color: var(--color-white);
  margin-bottom: 8px;
}

.profile-card p {
  font-size: 0.875rem;
  color: var(--color-text-light);
  line-height: 1.5;
  margin-bottom: 12px;
}

.profile-tags {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}

.profile-tag {
  font-size: 0.7rem;
  font-weight: 600;
  padding: 3px 10px;
  background: rgba(201, 168, 76, 0.15);
  color: var(--color-accent);
  border-radius: 100px;
}

/* ============================================
   CONTACT / CTA
   ============================================ */
.cta-section {
  padding: 100px 0;
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-secondary) 100%);
  text-align: center;
  position: relative;
  overflow: hidden;
}

.cta-section::before {
  content: '';
  position: absolute;
  top: -50%;
  left: -50%;
  width: 200%;
  height: 200%;
  background: radial-gradient(ellipse at center, rgba(201, 168, 76, 0.05) 0%, transparent 60%);
}

.cta-section .container {
  position: relative;
  z-index: 2;
}

.cta-section h2 {
  color: var(--color-white);
  margin-bottom: 16px;
}

.cta-text {
  font-size: 1.15rem;
  color: var(--color-text-light);
  margin-bottom: 40px;
  max-width: 600px;
  margin-left: auto;
  margin-right: auto;
  line-height: 1.8;
}

.cta-buttons {
  display: flex;
  gap: 16px;
  justify-content: center;
  flex-wrap: wrap;
}

.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  margin-top: 64px;
  text-align: left;
}

.contact-form {
  background: rgba(255,255,255,0.05);
  border: 1px solid rgba(255,255,255,0.1);
  border-radius: var(--radius-md);
  padding: 40px;
}

.form-group {
  margin-bottom: 20px;
}

.form-group label {
  display: block;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--color-text-light);
  margin-bottom: 8px;
}

.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  padding: 12px 16px;
  background: rgba(255,255,255,0.08);
  border: 1px solid rgba(255,255,255,0.15);
  border-radius: var(--radius-sm);
  color: var(--color-white);
  font-family: var(--font-body);
  font-size: 0.95rem;
  transition: var(--transition);
}

.form-group input::placeholder,
.form-group textarea::placeholder {
  color: var(--color-mid-gray);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--color-accent);
  background: rgba(255,255,255,0.1);
}

.form-group select {
  appearance: none;
  cursor: pointer;
}

.form-group select option {
  background: var(--color-primary);
  color: var(--color-white);
}

.form-group textarea {
  resize: vertical;
  min-height: 120px;
}

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

.contact-info {
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.contact-info h3 {
  color: var(--color-white);
  font-size: 1.5rem;
  margin-bottom: 16px;
}

.contact-info > p {
  color: var(--color-text-light);
  line-height: 1.8;
  margin-bottom: 32px;
}

.contact-detail {
  display: flex;
  align-items: center;
  gap: 16px;
  margin-bottom: 24px;
}

.contact-detail-icon {
  width: 48px;
  height: 48px;
  min-width: 48px;
  background: rgba(201, 168, 76, 0.1);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.2rem;
}

.contact-detail h4 {
  color: var(--color-white);
  font-size: 0.95rem;
  margin-bottom: 2px;
}

.contact-detail p {
  color: var(--color-text-light);
  font-size: 0.9rem;
}

/* ============================================
   FOOTER
   ============================================ */
.footer {
  background: var(--color-primary);
  border-top: 1px solid rgba(255,255,255,0.06);
  padding: 64px 0 32px;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 48px;
  margin-bottom: 48px;
}

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

.footer-brand p {
  color: var(--color-text-light);
  font-size: 0.9rem;
  line-height: 1.7;
  max-width: 300px;
}

.footer h4 {
  color: var(--color-white);
  font-size: 0.85rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  margin-bottom: 20px;
}

.footer ul li {
  margin-bottom: 12px;
}

.footer ul a {
  font-size: 0.9rem;
  color: var(--color-text-light);
}

.footer ul a:hover {
  color: var(--color-accent);
}

.footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.06);
  padding-top: 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.footer-bottom p {
  font-size: 0.8rem;
  color: var(--color-mid-gray);
}

.footer-social {
  display: flex;
  gap: 16px;
}

.footer-social a {
  width: 36px;
  height: 36px;
  background: rgba(255,255,255,0.06);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-text-light);
  font-size: 0.9rem;
  transition: var(--transition);
}

.footer-social a:hover {
  background: var(--color-accent);
  color: var(--color-white);
}

/* ============================================
   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);
}

.fade-in-left {
  opacity: 0;
  transform: translateX(-40px);
  transition: opacity 0.8s ease, transform 0.8s ease;
}

.fade-in-left.visible {
  opacity: 1;
  transform: translateX(0);
}

.fade-in-right {
  opacity: 0;
  transform: translateX(40px);
  transition: opacity 0.8s ease, transform 0.8s ease;
}

.fade-in-right.visible {
  opacity: 1;
  transform: translateX(0);
}

/* Stagger children */
.stagger-children > *:nth-child(1) { transition-delay: 0s; }
.stagger-children > *:nth-child(2) { transition-delay: 0.1s; }
.stagger-children > *:nth-child(3) { transition-delay: 0.2s; }
.stagger-children > *:nth-child(4) { transition-delay: 0.3s; }
.stagger-children > *:nth-child(5) { transition-delay: 0.4s; }
.stagger-children > *:nth-child(6) { transition-delay: 0.5s; }

/* ============================================
   RESPONSIVE
   ============================================ */
@media (max-width: 1024px) {
  .hero .container { grid-template-columns: 1fr; gap: 48px; }
  .hero-metrics { grid-template-columns: repeat(4, 1fr); }
  .services-grid { grid-template-columns: repeat(2, 1fr); }
  .sectors-grid { grid-template-columns: repeat(2, 1fr); }
  .method-steps { grid-template-columns: repeat(2, 1fr); gap: 40px; }
  .method-steps::before { display: none; }
  .diff-grid { grid-template-columns: repeat(2, 1fr); }
  .footer-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 768px) {
  .section { padding: 64px 0; }

  .nav-links {
    display: none;
    position: fixed;
    top: 80px;
    left: 0;
    right: 0;
    bottom: 0;
    background: var(--color-primary);
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 32px;
  }

  .nav-links.active { display: flex; }
  .nav-cta { margin-left: 0; }
  .nav-toggle { display: flex; }

  .hero { min-height: auto; padding: 120px 0 80px; }
  .hero-metrics { grid-template-columns: repeat(2, 1fr); }
  .services-grid { grid-template-columns: 1fr; }
  .cases-grid { grid-template-columns: 1fr; }
  .sectors-grid { grid-template-columns: repeat(2, 1fr); }
  .diff-grid { grid-template-columns: 1fr; }
  .partner-content { grid-template-columns: 1fr; }
  .careers-content { grid-template-columns: 1fr; }
  .contact-grid { grid-template-columns: 1fr; }
  .form-row { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; }
  .footer-bottom { flex-direction: column; gap: 16px; text-align: center; }
  .method-steps { grid-template-columns: 1fr; }
  .cta-buttons { flex-direction: column; align-items: center; }
}

@media (max-width: 480px) {
  .container { padding: 0 16px; }
  .hero-metrics { grid-template-columns: 1fr 1fr; gap: 12px; }
  .metric-card { padding: 20px 16px; }
  .sectors-grid { grid-template-columns: 1fr; }
  .careers-values { grid-template-columns: 1fr; }
}