/* ==========================================================================
   Rainbow Knitting — Premium Design System
   Clean, modern, B2B platform aesthetic
   ========================================================================== */

/* ---------- Design Tokens ---------- */
:root {
  --white: #FFFFFF;
  --gray-50: #F9FAFB;
  --gray-100: #F3F4F6;
  --gray-200: #E5E7EB;
  --gray-300: #D1D5DB;
  --gray-400: #9CA3AF;
  --gray-500: #6B7280;
  --gray-600: #4B5563;
  --gray-700: #374151;
  --gray-800: #1F2937;
  --gray-900: #111827;
  --blue-50: #EFF6FF;
  --blue-100: #DBEAFE;
  --blue-500: #3B82F6;
  --blue-600: #2563EB;
  --blue-700: #1D4ED8;
  --blue-800: #1E40AF;
  --orange-50: #FFF7ED;
  --orange-500: #F97316;
  --orange-600: #EA580C;
  --green-50: #F0FDF4;
  --green-500: #22C55E;
  --green-600: #16A34A;

  --font: "Inter", system-ui, -apple-system, BlinkMacSystemFont, sans-serif;

  --r-sm: 8px;
  --r-md: 12px;
  --r-lg: 16px;
  --r-xl: 20px;
  --r-2xl: 24px;
  --r-full: 9999px;

  --shadow-xs: 0 1px 2px rgba(0,0,0,0.04);
  --shadow-sm: 0 1px 3px rgba(0,0,0,0.06), 0 1px 2px rgba(0,0,0,0.04);
  --shadow-md: 0 4px 6px -1px rgba(0,0,0,0.07), 0 2px 4px -2px rgba(0,0,0,0.05);
  --shadow-lg: 0 10px 15px -3px rgba(0,0,0,0.08), 0 4px 6px -4px rgba(0,0,0,0.04);
  --shadow-xl: 0 20px 25px -5px rgba(0,0,0,0.08), 0 8px 10px -6px rgba(0,0,0,0.03);
  --shadow-blue: 0 4px 14px rgba(37,99,235,0.2);
  --shadow-blue-lg: 0 8px 25px rgba(37,99,235,0.25);

  --ease: cubic-bezier(0.4, 0, 0.2, 1);
  --ease-out: cubic-bezier(0, 0, 0.2, 1);
  --dur: 0.2s;
  --dur-md: 0.3s;
  --dur-lg: 0.5s;

  --max-w: 1200px;
  --max-w-narrow: 720px;
  --max-w-text: 600px;
  --header-h: 72px;
}

/* ---------- Reset ---------- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; scroll-padding-top: var(--header-h); }

body {
  font-family: var(--font);
  font-size: 1rem;
  line-height: 1.65;
  color: var(--gray-700);
  background: var(--white);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}

img { max-width: 100%; height: auto; display: block; }
ul { list-style: none; }
a { color: inherit; text-decoration: none; }

::selection { background: var(--blue-600); color: var(--white); }

/* ---------- Layout ---------- */
.container {
  width: 100%;
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0 clamp(1.25rem, 5vw, 3rem);
}

/* ==========================================================================
   HEADER
   ========================================================================== */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  height: var(--header-h);
  background: rgba(255,255,255,0.85);
  backdrop-filter: blur(16px) saturate(1.5);
  -webkit-backdrop-filter: blur(16px) saturate(1.5);
  border-bottom: 1px solid transparent;
  transition: border-color var(--dur-md) var(--ease), background var(--dur-md) var(--ease);
}
.site-header.is-scrolled {
  border-bottom-color: var(--gray-200);
  background: rgba(255,255,255,0.95);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  font-weight: 700;
  font-size: 1.1rem;
  letter-spacing: -0.025em;
  color: var(--gray-900);
  transition: color var(--dur) var(--ease);
}
.brand:hover { color: var(--blue-600); }
.brand img { width: 34px; height: 34px; flex-shrink: 0; }

.nav { display: flex; align-items: center; gap: 0.25rem; }

.nav-list {
  display: flex;
  align-items: center;
  gap: 0;
}

.nav-link {
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--gray-500);
  padding: 0.5rem 0.75rem;
  border-radius: var(--r-sm);
  transition: color var(--dur) var(--ease), background var(--dur) var(--ease);
}
.nav-link:hover { color: var(--gray-900); background: var(--gray-50); }

.nav-cta {
  display: inline-flex;
  align-items: center;
  margin-left: 0.75rem;
  padding: 0.5rem 1.125rem;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--white);
  background: var(--blue-600);
  border-radius: var(--r-full);
  transition: background var(--dur) var(--ease), transform var(--dur) var(--ease), box-shadow var(--dur) var(--ease);
}
.nav-cta:hover {
  background: var(--blue-700);
  transform: translateY(-1px);
  box-shadow: var(--shadow-blue);
}

.lang-switch {
  display: inline-flex;
  align-items: center;
  gap: 2px;
  margin-left: 0.75rem;
  padding: 3px;
  background: var(--gray-100);
  border-radius: var(--r-full);
}
.lang-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 30px;
  height: 26px;
  font-size: 0.7rem;
  font-weight: 600;
  color: var(--gray-500);
  border-radius: var(--r-full);
  transition: all var(--dur) var(--ease);
}
.lang-btn:hover { color: var(--gray-900); }
.lang-btn--active {
  background: var(--white);
  color: var(--gray-900);
  box-shadow: var(--shadow-xs);
}

/* Mobile nav */
.nav-toggle {
  display: none;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  background: var(--gray-50);
  border: 1px solid var(--gray-200);
  border-radius: var(--r-sm);
  cursor: pointer;
  flex-direction: column;
  gap: 5px;
  padding: 10px;
}
.nav-toggle span {
  display: block;
  width: 100%;
  height: 2px;
  background: var(--gray-700);
  border-radius: 1px;
  transition: transform var(--dur-md) var(--ease), opacity var(--dur) var(--ease);
}

@media (max-width: 900px) {
  .nav-toggle { display: flex; }
  .nav {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    flex-direction: column;
    align-items: stretch;
    background: var(--white);
    border-bottom: 1px solid var(--gray-200);
    padding: 0.75rem 1.25rem 1.25rem;
    box-shadow: var(--shadow-lg);
  }
  .nav.is-open { display: flex; }
  .nav-list { flex-direction: column; gap: 0; }
  .nav-link { padding: 0.75rem 0.75rem; width: 100%; }
  .nav-cta { margin: 0.75rem 0 0; text-align: center; justify-content: center; }
  .lang-switch { margin: 0.75rem 0 0; align-self: flex-start; }
}

/* ==========================================================================
   HERO
   ========================================================================== */
.hero {
  position: relative;
  padding: calc(var(--header-h) + clamp(3rem, 8vw, 5rem)) 0 clamp(3rem, 6vw, 5rem);
  overflow: hidden;
}

.hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse 80% 50% at 30% 20%, rgba(37,99,235,0.04) 0%, transparent 60%),
    radial-gradient(ellipse 60% 40% at 80% 80%, rgba(249,115,22,0.03) 0%, transparent 50%);
  pointer-events: none;
}

.hero-inner {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  align-items: center;
  gap: clamp(2rem, 5vw, 4rem);
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.375rem 0.875rem;
  font-size: 0.78rem;
  font-weight: 600;
  color: var(--blue-700);
  background: var(--blue-50);
  border: 1px solid var(--blue-100);
  border-radius: var(--r-full);
  margin-bottom: 1.5rem;
}
.hero-badge-dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--green-500);
  animation: pulse-dot 2s ease-in-out infinite;
}
@keyframes pulse-dot {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.6; transform: scale(0.85); }
}

.hero-title {
  font-size: clamp(2.25rem, 5vw, 3.5rem);
  font-weight: 800;
  line-height: 1.08;
  letter-spacing: -0.04em;
  color: var(--gray-900);
  margin-bottom: 1.25rem;
}
.hero-title-accent {
  background: linear-gradient(135deg, var(--blue-600), var(--blue-500));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-lead {
  font-size: clamp(1rem, 1.8vw, 1.125rem);
  line-height: 1.75;
  color: var(--gray-500);
  max-width: 500px;
  margin-bottom: 2rem;
}

.hero-ctas { display: flex; flex-wrap: wrap; gap: 0.75rem; margin-bottom: 2rem; }

.hero-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 1.5rem;
  font-size: 0.8rem;
  color: var(--gray-400);
  font-weight: 500;
}
.hero-meta-item { display: flex; align-items: center; gap: 0.375rem; }
.hero-meta-dot { width: 4px; height: 4px; border-radius: 50%; background: var(--gray-300); }

.hero-visual { position: relative; }
.hero-visual img {
  width: 100%;
  max-width: 540px;
  border-radius: var(--r-2xl);
  box-shadow: var(--shadow-xl);
  border: 1px solid var(--gray-200);
}

@media (max-width: 900px) {
  .hero-inner { grid-template-columns: 1fr; text-align: center; }
  .hero-lead { margin-left: auto; margin-right: auto; }
  .hero-ctas { justify-content: center; }
  .hero-meta { justify-content: center; }
  .hero-visual { order: -1; }
  .hero-visual img { max-width: 400px; margin: 0 auto; }
}

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  font-family: var(--font);
  font-weight: 600;
  font-size: 0.9375rem;
  padding: 0.75rem 1.5rem;
  border-radius: var(--r-lg);
  border: none;
  cursor: pointer;
  transition: all var(--dur) var(--ease);
  white-space: nowrap;
}
.btn-primary {
  color: var(--white);
  background: var(--blue-600);
  box-shadow: var(--shadow-sm), var(--shadow-blue);
}
.btn-primary:hover {
  background: var(--blue-700);
  transform: translateY(-1px);
  box-shadow: var(--shadow-md), var(--shadow-blue-lg);
}
.btn-secondary {
  color: var(--gray-700);
  background: var(--white);
  border: 1px solid var(--gray-200);
  box-shadow: var(--shadow-xs);
}
.btn-secondary:hover {
  background: var(--gray-50);
  border-color: var(--gray-300);
}
.btn-arrow::after {
  content: "\2192";
  transition: transform var(--dur) var(--ease);
}
.btn-arrow:hover::after { transform: translateX(3px); }

/* ==========================================================================
   STATS BAR
   ========================================================================== */
.stats-bar {
  position: relative;
  z-index: 2;
  padding: 0 0 clamp(2rem, 4vw, 3rem);
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  background: var(--white);
  border: 1px solid var(--gray-200);
  border-radius: var(--r-xl);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
}

.stat-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.25rem;
  padding: 1.5rem 1rem;
  text-align: center;
  border-right: 1px solid var(--gray-100);
}
.stat-item:last-child { border-right: none; }

.stat-number {
  font-size: 1.5rem;
  font-weight: 800;
  color: var(--gray-900);
  letter-spacing: -0.03em;
}
.stat-label {
  font-size: 0.78rem;
  color: var(--gray-400);
  font-weight: 500;
}

@media (max-width: 640px) {
  .stats-grid { grid-template-columns: repeat(2, 1fr); }
  .stat-item:nth-child(2) { border-right: none; }
  .stat-item:nth-child(1),
  .stat-item:nth-child(2) { border-bottom: 1px solid var(--gray-100); }
}

/* ==========================================================================
   SHARED SECTION STYLES
   ========================================================================== */
.section { padding: clamp(4rem, 10vw, 7rem) 0; }
.section--gray { background: var(--gray-50); }

.section-header { margin-bottom: clamp(2rem, 5vw, 3.5rem); }
.section-header--center { text-align: center; }
.section-header--center .section-lead { margin-left: auto; margin-right: auto; }

.section-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--blue-600);
  margin-bottom: 0.75rem;
}
.section-eyebrow::before {
  content: "";
  display: inline-block;
  width: 24px;
  height: 2px;
  background: var(--blue-500);
  border-radius: 2px;
}

.section-title {
  font-size: clamp(1.75rem, 3.8vw, 2.5rem);
  font-weight: 800;
  color: var(--gray-900);
  letter-spacing: -0.035em;
  line-height: 1.12;
  margin-bottom: 0.875rem;
}

.section-lead {
  font-size: 1.0625rem;
  line-height: 1.75;
  color: var(--gray-500);
  max-width: var(--max-w-text);
}

/* ==========================================================================
   NEED SECTION
   ========================================================================== */
.need-layout {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(2rem, 5vw, 4rem);
  align-items: start;
}

.need-problems { display: grid; gap: 0.875rem; }

.need-problem {
  display: flex;
  gap: 1rem;
  padding: 1.125rem 1.25rem;
  background: var(--white);
  border: 1px solid var(--gray-200);
  border-radius: var(--r-lg);
  transition: border-color var(--dur-md) var(--ease), box-shadow var(--dur-md) var(--ease), transform var(--dur-md) var(--ease);
}
.need-problem:hover {
  border-color: var(--blue-100);
  box-shadow: var(--shadow-md);
  transform: translateY(-2px);
}

.need-icon {
  flex-shrink: 0;
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--blue-50);
  border-radius: var(--r-md);
  font-size: 1.1rem;
}

.need-problem h4 {
  font-size: 0.9375rem;
  font-weight: 700;
  color: var(--gray-900);
  margin-bottom: 0.25rem;
}
.need-problem p {
  font-size: 0.875rem;
  color: var(--gray-500);
  line-height: 1.55;
}

.need-background {
  padding: 1.75rem;
  background: linear-gradient(135deg, var(--gray-50), var(--white));
  border: 1px solid var(--gray-200);
  border-radius: var(--r-xl);
  position: relative;
  overflow: hidden;
}
.need-background::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  width: 4px;
  height: 100%;
  background: linear-gradient(to bottom, var(--blue-500), var(--blue-600));
  border-radius: 4px 0 0 4px;
}
.need-background p {
  font-size: 0.9375rem;
  color: var(--gray-600);
  line-height: 1.8;
  padding-left: 0.75rem;
}

@media (max-width: 900px) {
  .need-layout { grid-template-columns: 1fr; }
}

/* ==========================================================================
   SOLUTION / PILLARS
   ========================================================================== */
.pillars-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
}

.pillar-card {
  padding: 2rem 1.75rem;
  background: var(--white);
  border: 1px solid var(--gray-200);
  border-radius: var(--r-xl);
  transition: border-color var(--dur-md) var(--ease), box-shadow var(--dur-md) var(--ease), transform var(--dur-md) var(--ease);
}
.pillar-card:hover {
  border-color: var(--blue-100);
  box-shadow: var(--shadow-lg);
  transform: translateY(-4px);
}

.pillar-number {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  font-size: 0.8rem;
  font-weight: 800;
  color: var(--blue-600);
  background: var(--blue-50);
  border-radius: var(--r-md);
  margin-bottom: 1.25rem;
}

.pillar-card h3 {
  font-size: 1.125rem;
  font-weight: 700;
  color: var(--gray-900);
  margin-bottom: 0.625rem;
  letter-spacing: -0.01em;
}

.pillar-card p {
  font-size: 0.9rem;
  color: var(--gray-500);
  line-height: 1.7;
}

@media (max-width: 768px) {
  .pillars-grid { grid-template-columns: 1fr; }
}

/* ==========================================================================
   GROW TOGETHER
   ========================================================================== */
.grow-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
}

.grow-card {
  padding: 2rem 1.75rem;
  border-radius: var(--r-xl);
  border: 1px solid var(--gray-200);
  background: var(--white);
  transition: border-color var(--dur-md) var(--ease), box-shadow var(--dur-md) var(--ease), transform var(--dur-md) var(--ease);
}
.grow-card:hover {
  border-color: var(--gray-300);
  box-shadow: var(--shadow-md);
  transform: translateY(-2px);
}

.grow-card-icon {
  width: 44px;
  height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--r-md);
  font-size: 1.25rem;
  margin-bottom: 1.25rem;
}
.grow-card-icon--blue { background: var(--blue-50); }
.grow-card-icon--orange { background: var(--orange-50); }
.grow-card-icon--green { background: var(--green-50); }

.grow-card h3 {
  font-size: 1.0625rem;
  font-weight: 700;
  color: var(--gray-900);
  margin-bottom: 0.5rem;
}

.grow-card p {
  font-size: 0.9rem;
  color: var(--gray-500);
  line-height: 1.7;
}

@media (max-width: 768px) {
  .grow-grid { grid-template-columns: 1fr; }
}

/* ==========================================================================
   VISION
   ========================================================================== */
.vision-content {
  max-width: var(--max-w-narrow);
}

.vision-text {
  font-size: 1.0625rem;
  color: var(--gray-600);
  line-height: 1.8;
  margin-bottom: 2.5rem;
}

.vision-phases {
  display: grid;
  gap: 0;
  border: 1px solid var(--gray-200);
  border-radius: var(--r-xl);
  overflow: hidden;
}

.vision-phase {
  display: grid;
  grid-template-columns: 120px 1fr;
  border-bottom: 1px solid var(--gray-100);
}
.vision-phase:last-child { border-bottom: none; }

.vision-phase-label {
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: 1.25rem 1.5rem;
  background: var(--gray-50);
  border-right: 1px solid var(--gray-200);
}
.vision-phase-tag {
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--blue-600);
}
.vision-phase-name {
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--gray-700);
  margin-top: 0.125rem;
}

.vision-phase-desc {
  display: flex;
  align-items: center;
  padding: 1.25rem 1.5rem;
  font-size: 0.9rem;
  color: var(--gray-600);
  line-height: 1.6;
}

@media (max-width: 600px) {
  .vision-phase { grid-template-columns: 1fr; }
  .vision-phase-label { border-right: none; border-bottom: 1px solid var(--gray-200); padding: 0.875rem 1.25rem; }
  .vision-phase-desc { padding: 0.875rem 1.25rem; }
}

/* ==========================================================================
   PLATFORM BRIEFING
   ========================================================================== */
.platform-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.25rem;
}

.platform-module {
  padding: 1.5rem;
  background: var(--white);
  border: 1px solid var(--gray-200);
  border-radius: var(--r-lg);
  transition: border-color var(--dur-md) var(--ease), box-shadow var(--dur-md) var(--ease);
}
.platform-module:hover {
  border-color: var(--blue-100);
  box-shadow: var(--shadow-md);
}

.platform-module-icon {
  width: 36px;
  height: 36px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--blue-50);
  border-radius: var(--r-sm);
  font-size: 1rem;
  margin-bottom: 1rem;
}

.platform-module h3 {
  font-size: 0.9375rem;
  font-weight: 700;
  color: var(--gray-900);
  margin-bottom: 0.375rem;
}

.platform-module p {
  font-size: 0.85rem;
  color: var(--gray-500);
  line-height: 1.6;
}

@media (max-width: 768px) {
  .platform-grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 500px) {
  .platform-grid { grid-template-columns: 1fr; }
}

/* ==========================================================================
   USE CASES
   ========================================================================== */
.usecases-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 1.25rem;
}

.usecase-card {
  padding: 1.5rem 1.5rem;
  background: var(--white);
  border: 1px solid var(--gray-200);
  border-radius: var(--r-lg);
  transition: border-color var(--dur-md) var(--ease), box-shadow var(--dur-md) var(--ease);
}
.usecase-card:hover {
  border-color: var(--gray-300);
  box-shadow: var(--shadow-sm);
}

.usecase-card-header {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  margin-bottom: 1rem;
  padding-bottom: 0.875rem;
  border-bottom: 1px solid var(--gray-100);
}

.usecase-card-icon {
  width: 32px;
  height: 32px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--r-sm);
  font-size: 0.9rem;
  flex-shrink: 0;
}
.usecase-card-icon--blue { background: var(--blue-50); }
.usecase-card-icon--orange { background: var(--orange-50); }
.usecase-card-icon--green { background: var(--green-50); }

.usecase-card h3 {
  font-size: 0.9375rem;
  font-weight: 700;
  color: var(--gray-900);
}
.usecase-card-count {
  margin-left: auto;
  font-size: 0.72rem;
  font-weight: 700;
  color: var(--gray-400);
  background: var(--gray-50);
  padding: 0.2rem 0.5rem;
  border-radius: var(--r-full);
}

.usecase-list li {
  position: relative;
  padding: 0.4rem 0 0.4rem 1rem;
  font-size: 0.85rem;
  color: var(--gray-600);
  line-height: 1.55;
}
.usecase-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.75rem;
  width: 4px;
  height: 4px;
  background: var(--blue-500);
  border-radius: 50%;
}

/* ==========================================================================
   LEADERSHIP
   ========================================================================== */
.leadership-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
}

.leader-card {
  text-align: center;
  padding: 2.5rem 1.5rem 2rem;
  background: var(--white);
  border: 1px solid var(--gray-200);
  border-radius: var(--r-xl);
  transition: border-color var(--dur-md) var(--ease), box-shadow var(--dur-md) var(--ease), transform var(--dur-md) var(--ease);
}
.leader-card:hover {
  border-color: var(--gray-300);
  box-shadow: var(--shadow-md);
  transform: translateY(-3px);
}

.leader-avatar {
  width: 72px;
  height: 72px;
  border-radius: 50%;
  margin: 0 auto 1.25rem;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  font-weight: 800;
  color: var(--white);
}
.leader-avatar--rk { background: linear-gradient(135deg, var(--blue-500), var(--blue-600)); }
.leader-avatar--fc { background: linear-gradient(135deg, var(--orange-500), var(--orange-600)); }
.leader-avatar--bh { background: linear-gradient(135deg, var(--green-500), var(--green-600)); }

.leader-name {
  font-size: 1.0625rem;
  font-weight: 700;
  color: var(--gray-900);
  margin-bottom: 0.2rem;
}

.leader-role {
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  color: var(--blue-600);
  margin-bottom: 0.875rem;
}

.leader-bio {
  font-size: 0.875rem;
  color: var(--gray-500);
  line-height: 1.65;
}

@media (max-width: 768px) {
  .leadership-grid { grid-template-columns: 1fr; max-width: 380px; margin: 0 auto; }
}

/* ==========================================================================
   CONTACT
   ========================================================================== */
.section--contact { background: var(--gray-50); }

.contact-layout {
  display: grid;
  grid-template-columns: 1fr 1.1fr;
  gap: clamp(2rem, 5vw, 4rem);
  align-items: start;
}

.contact-info { padding-top: 0.5rem; }
.contact-info h3 {
  font-size: 1.625rem;
  font-weight: 800;
  color: var(--gray-900);
  line-height: 1.2;
  letter-spacing: -0.025em;
  margin-bottom: 0.875rem;
}
.contact-info > p {
  font-size: 1rem;
  line-height: 1.75;
  color: var(--gray-500);
  margin-bottom: 2rem;
}

.contact-details { display: flex; flex-direction: column; gap: 1rem; }

.contact-detail {
  display: flex;
  align-items: center;
  gap: 0.875rem;
}
.contact-detail-icon {
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--white);
  border: 1px solid var(--gray-200);
  border-radius: var(--r-md);
  font-size: 1rem;
  flex-shrink: 0;
}
.contact-detail-text small {
  display: block;
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--gray-400);
  margin-bottom: 0.1rem;
}
.contact-detail-text span {
  font-size: 0.9rem;
  color: var(--gray-700);
  font-weight: 500;
}

.contact-form-wrap {
  background: var(--white);
  border: 1px solid var(--gray-200);
  border-radius: var(--r-xl);
  padding: clamp(1.5rem, 3vw, 2.25rem);
  box-shadow: var(--shadow-sm);
}

.contact-form .form-group { margin-bottom: 1.125rem; }
.contact-form label {
  display: block;
  font-size: 0.8125rem;
  font-weight: 600;
  color: var(--gray-700);
  margin-bottom: 0.375rem;
}
.contact-form input,
.contact-form textarea {
  width: 100%;
  padding: 0.625rem 0.875rem;
  background: var(--gray-50);
  border: 1px solid var(--gray-200);
  border-radius: var(--r-md);
  font-size: 0.9375rem;
  font-family: inherit;
  color: var(--gray-800);
  transition: border-color var(--dur) var(--ease), box-shadow var(--dur) var(--ease), background var(--dur) var(--ease);
}
.contact-form input::placeholder,
.contact-form textarea::placeholder { color: var(--gray-400); }
.contact-form input:focus,
.contact-form textarea:focus {
  outline: none;
  background: var(--white);
  border-color: var(--blue-500);
  box-shadow: 0 0 0 3px rgba(37,99,235,0.1);
}

.contact-form .btn-primary {
  width: 100%;
  padding: 0.8rem;
  margin-top: 0.375rem;
}

.form-success {
  margin-top: 0.875rem;
  padding: 0.75rem 1rem;
  background: var(--green-50);
  border: 1px solid rgba(34,197,94,0.2);
  border-radius: var(--r-md);
  color: var(--green-600);
  font-weight: 600;
  font-size: 0.875rem;
}

.form-privacy {
  margin-top: 0.75rem;
  font-size: 0.75rem;
  color: var(--gray-400);
  line-height: 1.5;
}

@media (max-width: 900px) {
  .contact-layout { grid-template-columns: 1fr; }
}

/* ==========================================================================
   FOOTER
   ========================================================================== */
.site-footer {
  padding: 2rem 0;
  border-top: 1px solid var(--gray-200);
}

.footer-inner {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  align-items: center;
  gap: 1rem;
}

.footer-brand {
  font-size: 0.9375rem;
  font-weight: 700;
  color: var(--gray-900);
}

.footer-legal {
  font-size: 0.8rem;
  color: var(--gray-400);
}

/* ==========================================================================
   REVEAL ANIMATIONS
   ========================================================================== */
.reveal {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.6s var(--ease-out), transform 0.6s var(--ease-out);
}
.reveal.is-visible {
  opacity: 1;
  transform: translateY(0);
}
.reveal-d1 { transition-delay: 0.05s; }
.reveal-d2 { transition-delay: 0.1s; }
.reveal-d3 { transition-delay: 0.15s; }
.reveal-d4 { transition-delay: 0.2s; }
.reveal-d5 { transition-delay: 0.25s; }
.reveal-d6 { transition-delay: 0.3s; }