/* =============================================
   InsightCurve — Design System & Global Styles
   ============================================= */

/* --- CSS Variables / Design Tokens (Light Theme Default) --- */
:root, [data-theme="light"] {
  --teal: #0D9488;
  --teal-dark: #0F766E;
  --teal-light: #14B8A6;
  --teal-glow: rgba(13, 148, 136, 0.15);
  
  --navy: #1E293B;
  --navy-light: #334155;
  
  --dark: #F8FAFC;          /* Main Background */
  --darker: #F1F5F9;        /* Hero & Alt Background */
  --surface: #FFFFFF;       /* Card & Section Surface */
  --surface-2: #F1F5F9;     /* Sub-surface / Alt Section */
  --card-bg: #FFFFFF;       /* Card Background */
  
  --border: rgba(15, 118, 110, 0.16);
  --border-light: rgba(203, 213, 225, 0.8);
  
  --text-primary: #0F172A;   /* Primary Headings & Text */
  --text-secondary: #475569; /* Body & Secondary Text */
  --text-muted: #64748B;     /* Captions & Muted Text */
  
  --white: #ffffff;
  --font-main: 'Inter', 'Plus Jakarta Sans', sans-serif;
  --font-display: 'Plus Jakarta Sans', 'Inter', sans-serif;
  
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 20px;
  --radius-xl: 28px;
  
  --shadow-sm: 0 2px 8px rgba(15, 23, 42, 0.05);
  --shadow-md: 0 8px 30px rgba(15, 23, 42, 0.08);
  --shadow-lg: 0 20px 50px rgba(15, 23, 42, 0.12);
  --shadow-teal: 0 10px 30px rgba(13, 148, 136, 0.12);
  
  --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-slow: 0.6s cubic-bezier(0.4, 0, 0.2, 1);
  --nav-height: 72px;
}

/* --- Dark Theme Tokens --- */
[data-theme="dark"] {
  --teal: #2DD9BE;
  --teal-dark: #1fb8a0;
  --teal-light: #5ee8d3;
  --teal-glow: rgba(45, 217, 190, 0.25);
  
  --navy: #1B2B4B;
  --navy-light: #253657;
  
  --dark: #0E1624;
  --darker: #080f1a;
  --surface: #111c30;
  --surface-2: #162035;
  --card-bg: rgba(22, 32, 53, 0.8);
  
  --border: rgba(45, 217, 190, 0.12);
  --border-light: rgba(255,255,255,0.08);
  
  --text-primary: #F0F4FF;
  --text-secondary: #8FA3C8;
  --text-muted: #5a7099;
  
  --shadow-sm: 0 2px 8px rgba(0,0,0,0.3);
  --shadow-md: 0 8px 32px rgba(0,0,0,0.4);
  --shadow-lg: 0 20px 60px rgba(0,0,0,0.5);
  --shadow-teal: 0 0 40px rgba(45, 217, 190, 0.2);
}

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

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

body {
  font-family: var(--font-main);
  background-color: var(--dark);
  color: var(--text-primary);
  line-height: 1.6;
  overflow-x: hidden;
  transition: background-color 0.3s ease, color 0.3s ease;
}

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

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

.section-tag {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--teal);
  margin-bottom: 16px;
}

.section-tag::before {
  content: '';
  width: 24px;
  height: 2px;
  background: var(--teal);
  border-radius: 2px;
}

.section-title {
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 800;
  color: var(--text-primary);
  margin-bottom: 20px;
  letter-spacing: -0.02em;
}

.section-title .highlight {
  background: linear-gradient(135deg, var(--teal), var(--teal-light));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.section-sub {
  font-size: 1.1rem;
  color: var(--text-secondary);
  max-width: 560px;
  line-height: 1.7;
}

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

.section-header .section-tag {
  display: flex;
  justify-content: center;
}

.section-header .section-tag::before { display: none; }

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

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

.section {
  padding: 100px 0;
}

/* --- Buttons --- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 12px 28px;
  border-radius: var(--radius-md);
  font-family: var(--font-main);
  font-size: 0.95rem;
  font-weight: 600;
  cursor: pointer;
  transition: var(--transition);
  border: 2px solid transparent;
  white-space: nowrap;
  text-decoration: none;
}

.btn-lg {
  padding: 16px 36px;
  font-size: 1rem;
  border-radius: var(--radius-lg);
}

.btn-primary {
  background: linear-gradient(135deg, var(--teal-light), var(--teal));
  color: #ffffff;
  font-weight: 700;
  border-color: transparent;
  box-shadow: 0 4px 20px var(--teal-glow);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 32px var(--teal-glow);
  background: linear-gradient(135deg, var(--teal), var(--teal-dark));
}

[data-theme="dark"] .btn-primary {
  color: var(--dark);
}

.btn-ghost {
  background: var(--surface);
  color: var(--text-primary);
  border: 1px solid var(--border);
  backdrop-filter: blur(8px);
}

.btn-ghost:hover {
  background: var(--surface-2);
  border-color: var(--teal);
  color: var(--teal);
  transform: translateY(-2px);
}

.btn-outline {
  background: transparent;
  color: var(--teal);
  border-color: var(--teal);
}

.btn-outline:hover {
  background: var(--teal);
  color: #ffffff;
  transform: translateY(-2px);
  box-shadow: 0 8px 24px var(--teal-glow);
}

[data-theme="dark"] .btn-outline:hover {
  color: var(--dark);
}

/* =============================================
   NAVIGATION
   ============================================= */
.navbar {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 1000;
  height: var(--nav-height);
  display: flex;
  align-items: center;
  transition: var(--transition);
}

.navbar.scrolled {
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border);
  box-shadow: var(--shadow-sm);
}

[data-theme="dark"] .navbar.scrolled {
  background: rgba(14, 22, 36, 0.95);
}

.nav-container {
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 24px;
  width: 100%;
  display: flex;
  align-items: center;
  gap: 32px;
}

.nav-logo {
  flex-shrink: 0;
  transition: var(--transition);
}

.nav-logo:hover { opacity: 0.85; }

.nav-logo img {
  height: 36px;
  width: auto;
}

.logo-light { display: block !important; }
.logo-dark { display: none !important; }

[data-theme="dark"] .logo-light { display: none !important; }
[data-theme="dark"] .logo-dark { display: block !important; }

.footer-logo.logo-light { display: block !important; }
.footer-logo.logo-dark { display: none !important; }

[data-theme="dark"] .footer-logo.logo-light { display: none !important; }
[data-theme="dark"] .footer-logo.logo-dark { display: block !important; }

/* Theme Toggle Button */
.theme-toggle {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: var(--surface-2);
  border: 1px solid var(--border);
  color: var(--text-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: var(--transition);
  outline: none;
}

.theme-toggle:hover {
  border-color: var(--teal);
  color: var(--teal);
  transform: scale(1.05);
}

.theme-toggle .moon-icon { display: block; width: 20px; height: 20px; }
.theme-toggle .sun-icon { display: none; width: 20px; height: 20px; }

[data-theme="dark"] .theme-toggle .moon-icon { display: none; }
[data-theme="dark"] .theme-toggle .sun-icon { display: block; }

.nav-links {
  display: flex;
  align-items: center;
  gap: 4px;
  flex: 1;
  justify-content: center;
}

.nav-link {
  padding: 8px 14px;
  border-radius: var(--radius-sm);
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--text-secondary);
  transition: var(--transition);
  position: relative;
}

.nav-link:hover, .nav-link.active {
  color: var(--text-primary);
}

.nav-link.active::after {
  content: '';
  position: absolute;
  bottom: 4px;
  left: 50%; transform: translateX(-50%);
  width: 4px; height: 4px;
  background: var(--teal);
  border-radius: 50%;
}

.nav-actions {
  display: flex;
  align-items: center;
  gap: 16px;
  flex-shrink: 0;
}

.nav-cta {
  padding: 10px 22px;
  font-size: 0.875rem;
}

.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
}

.hamburger span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--text-primary);
  border-radius: 2px;
  transition: var(--transition);
}

.hamburger.open span:nth-child(1) { transform: rotate(45deg) translate(5px, 5px); }
.hamburger.open span:nth-child(2) { opacity: 0; }
.hamburger.open span:nth-child(3) { transform: rotate(-45deg) translate(5px, -5px); }

/* =============================================
   HERO SECTION
   ============================================= */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  padding: calc(var(--nav-height) + 40px) 24px 80px;
}

.hero-bg {
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse 80% 60% at 50% -10%, var(--teal-glow) 0%, transparent 70%),
              radial-gradient(ellipse 60% 80% at -20% 50%, var(--surface-2) 0%, transparent 60%),
              linear-gradient(180deg, var(--darker) 0%, var(--dark) 100%);
}

.hero-grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(var(--border) 1px, transparent 1px),
    linear-gradient(90deg, var(--border) 1px, transparent 1px);
  background-size: 60px 60px;
  mask-image: radial-gradient(ellipse 80% 70% at 50% 50%, black 20%, transparent 80%);
}

.hero-glow {
  position: absolute;
  border-radius: 50%;
  filter: blur(100px);
  pointer-events: none;
}

.hero-glow-1 {
  width: 600px; height: 600px;
  background: var(--teal-glow);
  top: -200px; left: -100px;
  animation: floatGlow 8s ease-in-out infinite;
}

.hero-glow-2 {
  width: 500px; height: 500px;
  background: var(--teal-glow);
  bottom: -100px; right: -100px;
  animation: floatGlow 10s ease-in-out infinite reverse;
}

@keyframes floatGlow {
  0%, 100% { transform: translate(0, 0) scale(1); }
  33% { transform: translate(30px, -20px) scale(1.05); }
  66% { transform: translate(-20px, 30px) scale(0.95); }
}

.hero-particles {
  position: absolute;
  inset: 0;
  pointer-events: none;
}

.particle {
  position: absolute;
  width: 2px; height: 2px;
  background: var(--teal);
  border-radius: 50%;
  opacity: 0;
  animation: particleFade var(--duration, 4s) var(--delay, 0s) ease-in-out infinite;
}

@keyframes particleFade {
  0%, 100% { opacity: 0; transform: translateY(0); }
  50% { opacity: 0.6; transform: translateY(-20px); }
}

.hero-content {
  position: relative;
  z-index: 2;
  text-align: center;
  max-width: 900px;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 8px 20px;
  border-radius: 100px;
  background: var(--teal-glow);
  border: 1px solid var(--border);
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.15em;
  color: var(--teal);
  margin-bottom: 32px;
}

.badge-dot {
  width: 6px; height: 6px;
  background: var(--teal);
  border-radius: 50%;
  animation: pulse 2s ease-in-out infinite;
}

@keyframes pulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.5; transform: scale(0.8); }
}

.hero-headline {
  font-size: clamp(3rem, 7vw, 5.5rem);
  font-weight: 900;
  line-height: 1.08;
  letter-spacing: -0.03em;
  margin-bottom: 28px;
}

.hero-headline .highlight {
  background: linear-gradient(135deg, var(--teal), var(--teal-light), var(--teal));
  background-size: 200% auto;
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  animation: shimmer 3s linear infinite;
}

@keyframes shimmer {
  to { background-position: 200% center; }
}

.hero-sub {
  font-size: clamp(1rem, 2vw, 1.25rem);
  color: var(--text-secondary);
  line-height: 1.7;
  max-width: 680px;
  margin: 0 auto 40px;
}

.hero-ctas {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 16px;
  margin-bottom: 72px;
  flex-wrap: wrap;
}

.hero-stats {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 32px;
  padding: 32px 48px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-xl);
  backdrop-filter: blur(12px);
  box-shadow: var(--shadow-md);
  flex-wrap: wrap;
}

.stat {
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
}

.stat-num {
  font-size: 2.2rem;
  font-weight: 800;
  color: var(--teal);
  line-height: 1;
  font-family: var(--font-display);
}

.stat-plus {
  font-size: 1.4rem;
  font-weight: 800;
  color: var(--teal);
}

.stat-label {
  font-size: 0.8rem;
  color: var(--text-muted);
  margin-top: 6px;
  font-weight: 500;
  letter-spacing: 0.02em;
}

.stat-divider {
  width: 1px;
  height: 48px;
  background: var(--border);
}

.hero-scroll-indicator {
  position: absolute;
  bottom: 32px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  opacity: 0.4;
  animation: bobScroll 2s ease-in-out infinite;
}

@keyframes bobScroll {
  0%, 100% { transform: translateX(-50%) translateY(0); }
  50% { transform: translateX(-50%) translateY(6px); }
}

.scroll-mouse {
  width: 24px; height: 36px;
  border: 2px solid var(--text-secondary);
  border-radius: 12px;
  display: flex;
  justify-content: center;
  padding-top: 6px;
}

.scroll-wheel {
  width: 3px; height: 8px;
  background: var(--text-secondary);
  border-radius: 2px;
  animation: scrollWheel 2s ease-in-out infinite;
}

@keyframes scrollWheel {
  0%, 100% { transform: translateY(0); opacity: 1; }
  50% { transform: translateY(6px); opacity: 0.3; }
}

.hero-scroll-indicator span {
  font-size: 0.7rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text-secondary);
}

/* =============================================
   ANIMATIONS
   ============================================= */
.animate-in {
  opacity: 0;
  transform: translateY(30px);
  animation: fadeUp 0.7s ease forwards;
}

.delay-1 { animation-delay: 0.15s; }
.delay-2 { animation-delay: 0.3s; }
.delay-3 { animation-delay: 0.45s; }
.delay-4 { animation-delay: 0.6s; }

@keyframes fadeUp {
  to { opacity: 1; transform: translateY(0); }
}

/* Scroll reveal */
.reveal {
  opacity: 0;
  transform: translateY(40px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}

.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}

/* =============================================
   INTRO SECTION
   ============================================= */
.intro-section {
  background: var(--dark);
}

.intro-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: center;
}

.intro-body {
  color: var(--text-secondary);
  line-height: 1.8;
  margin-bottom: 16px;
  font-size: 1.05rem;
}

.intro-text .btn {
  margin-top: 16px;
}

.intro-visual {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.visual-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 24px 28px;
  display: flex;
  align-items: flex-start;
  gap: 20px;
  transition: var(--transition);
}

.visual-card:hover {
  border-color: rgba(45, 217, 190, 0.3);
  transform: translateX(6px);
  box-shadow: var(--shadow-teal);
}

.visual-card.accent {
  background: linear-gradient(135deg, rgba(45,217,190,0.08), rgba(45,217,190,0.03));
  border-color: rgba(45, 217, 190, 0.2);
}

.vc-icon {
  font-size: 1.8rem;
  flex-shrink: 0;
}

.vc-text {
  color: var(--text-secondary);
  font-size: 0.95rem;
  line-height: 1.6;
}

/* =============================================
   SERVICES OVERVIEW
   ============================================= */
.services-overview {
  background: var(--surface);
}

.services-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}

.service-card {
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 32px 28px;
  display: flex;
  flex-direction: column;
  gap: 12px;
  transition: var(--transition);
  position: relative;
  overflow: hidden;
  cursor: pointer;
}

.service-card::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(45,217,190,0.06), transparent);
  opacity: 0;
  transition: var(--transition);
}

.service-card:hover {
  border-color: rgba(45, 217, 190, 0.4);
  transform: translateY(-6px);
  box-shadow: 0 16px 48px rgba(0,0,0,0.4), 0 0 0 1px rgba(45,217,190,0.2);
}

.service-card:hover::before { opacity: 1; }

.service-icon {
  width: 48px; height: 48px;
  color: var(--teal);
}

.service-icon svg { width: 100%; height: 100%; }

.service-name {
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--text-primary);
}

.service-desc {
  font-size: 0.875rem;
  color: var(--text-secondary);
  line-height: 1.6;
  flex: 1;
}

.service-link {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--teal);
  transition: var(--transition);
  display: inline-block;
}

.service-card:hover .service-link {
  letter-spacing: 0.03em;
}

.service-card-all {
  background: linear-gradient(135deg, rgba(45,217,190,0.1), rgba(45,217,190,0.04));
  border-color: rgba(45, 217, 190, 0.25);
  justify-content: center;
  align-items: center;
  text-align: center;
}

.service-all-inner {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 12px;
}

.service-all-text {
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--teal);
}

.service-all-arrow {
  font-size: 2rem;
  color: var(--teal);
  transition: var(--transition);
}

.service-card-all:hover .service-all-arrow {
  transform: translateX(8px);
}

/* =============================================
   WHY SECTION
   ============================================= */
.why-section {
  background: var(--dark);
}

.why-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: center;
}

.why-items {
  display: flex;
  flex-direction: column;
  gap: 28px;
  margin-bottom: 40px;
}

.why-item {
  display: flex;
  gap: 20px;
  align-items: flex-start;
}

.why-icon {
  color: var(--teal);
  font-size: 1.2rem;
  flex-shrink: 0;
  margin-top: 3px;
}

.why-item h4 {
  font-size: 1rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 6px;
}

.why-item p {
  font-size: 0.9rem;
  color: var(--text-secondary);
  line-height: 1.6;
}

/* Orbital Visual */
.why-visual {
  display: flex;
  justify-content: center;
  align-items: center;
}

.why-circle {
  position: relative;
  width: 340px; height: 340px;
}

.circle-inner {
  position: absolute;
  top: 50%; left: 50%;
  transform: translate(-50%, -50%);
  width: 140px; height: 140px;
  background: linear-gradient(135deg, rgba(45,217,190,0.15), rgba(45,217,190,0.05));
  border: 2px solid rgba(45,217,190,0.3);
  border-radius: 50%;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  z-index: 2;
  box-shadow: 0 0 60px rgba(45,217,190,0.15);
}

.c-num {
  font-size: 2rem;
  font-weight: 900;
  color: var(--teal);
  font-family: var(--font-display);
  line-height: 1;
}

.c-plus {
  font-size: 1.4rem;
}

.c-label {
  font-size: 0.7rem;
  color: var(--text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-top: 4px;
}

.circle-orbit {
  position: absolute;
  inset: 0;
  border: 1px dashed rgba(45,217,190,0.15);
  border-radius: 50%;
  animation: spinOrbit 20s linear infinite;
}

.orbit-dot {
  position: absolute;
  top: 50%; left: 50%;
  width: 44px; height: 44px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.2rem;
  transform-origin: center center;
  transform: rotate(var(--angle)) translate(165px) rotate(calc(-1 * var(--angle)));
  margin: -22px 0 0 -22px;
}

@keyframes spinOrbit {
  from { transform: rotate(0deg); }
  to { transform: rotate(360deg); }
}

/* =============================================
   STATS STRIP
   ============================================= */
.stats-strip {
  background: var(--surface-2);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  padding: 56px 0;
}

.strip-stats {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 48px;
  flex-wrap: wrap;
}

.strip-stat {
  text-align: center;
}

.strip-num {
  display: block;
  font-size: 2.8rem;
  font-weight: 900;
  color: var(--teal);
  font-family: var(--font-display);
  line-height: 1;
  margin-bottom: 8px;
}

.strip-label {
  font-size: 0.85rem;
  color: var(--text-secondary);
  letter-spacing: 0.04em;
  text-transform: uppercase;
  font-weight: 500;
}

.strip-divider {
  width: 1px;
  height: 56px;
  background: var(--border);
}

/* =============================================
   CTA SECTION
   ============================================= */
.cta-section {
  background: var(--dark);
}

.cta-card {
  position: relative;
  text-align: center;
  padding: 80px 60px;
  background: linear-gradient(135deg, var(--surface) 0%, var(--surface-2) 100%);
  border: 1px solid var(--border);
  border-radius: var(--radius-xl);
  overflow: hidden;
}

.cta-glow {
  position: absolute;
  top: -100px; left: 50%;
  transform: translateX(-50%);
  width: 400px; height: 300px;
  background: radial-gradient(ellipse, rgba(45,217,190,0.15), transparent 70%);
  pointer-events: none;
}

.cta-headline {
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 800;
  margin: 16px 0;
  letter-spacing: -0.02em;
}

.cta-sub {
  color: var(--text-secondary);
  font-size: 1.1rem;
  margin-bottom: 40px;
  max-width: 500px;
  margin-left: auto;
  margin-right: auto;
  line-height: 1.7;
}

/* =============================================
   FOOTER
   ============================================= */
.footer {
  background: var(--darker);
  border-top: 1px solid var(--border);
  padding: 80px 0 32px;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1.5fr;
  gap: 48px;
  margin-bottom: 64px;
}

.footer-logo {
  height: 36px;
  width: auto;
  margin-bottom: 12px;
}

.footer-tagline {
  font-size: 0.7rem;
  letter-spacing: 0.12em;
  color: var(--teal);
  font-weight: 600;
  margin-bottom: 16px;
}

.footer-desc {
  font-size: 0.9rem;
  color: var(--text-secondary);
  line-height: 1.7;
  margin-bottom: 24px;
}

.footer-socials {
  display: flex;
  gap: 12px;
}

.social-link {
  width: 40px; height: 40px;
  background: rgba(255,255,255,0.05);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-secondary);
  transition: var(--transition);
}

.social-link svg { width: 18px; height: 18px; }

.social-link:hover {
  background: rgba(45,217,190,0.1);
  border-color: var(--teal);
  color: var(--teal);
  transform: translateY(-2px);
}

.footer-nav h4 {
  font-size: 0.85rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--text-primary);
  margin-bottom: 20px;
}

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

.footer-nav a {
  font-size: 0.9rem;
  color: var(--text-secondary);
  transition: var(--transition);
}

.footer-nav a:hover { color: var(--teal); }

.footer-contact h4 {
  font-size: 0.85rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--text-primary);
  margin-bottom: 20px;
}

.footer-contact p,
.footer-contact a {
  display: block;
  font-size: 0.9rem;
  color: var(--text-secondary);
  margin-bottom: 8px;
  transition: var(--transition);
}

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

.footer-cta {
  margin-top: 20px;
  width: 100%;
  justify-content: center;
}

.footer-bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 32px;
  border-top: 1px solid var(--border);
}

.footer-bottom p {
  font-size: 0.85rem;
  color: var(--text-muted);
}

.footer-legal {
  display: flex;
  gap: 24px;
}

.footer-legal a {
  font-size: 0.85rem;
  color: var(--text-muted);
  transition: var(--transition);
}

.footer-legal a:hover { color: var(--text-secondary); }

/* =============================================
   PAGE HERO (inner pages)
   ============================================= */
.page-hero {
  padding: calc(var(--nav-height) + 60px) 0 80px;
  background: linear-gradient(180deg, var(--darker) 0%, var(--dark) 100%);
  position: relative;
  overflow: hidden;
  text-align: center;
}

.page-hero::before {
  content: '';
  position: absolute;
  top: 0; left: 50%;
  transform: translateX(-50%);
  width: 800px; height: 400px;
  background: radial-gradient(ellipse, rgba(45,217,190,0.07), transparent 70%);
  pointer-events: none;
}

.page-hero-content {
  position: relative;
  z-index: 2;
  max-width: 700px;
  margin: 0 auto;
  padding: 0 24px;
}

.page-hero h1 {
  font-size: clamp(2.5rem, 5vw, 4rem);
  font-weight: 900;
  letter-spacing: -0.03em;
  margin-bottom: 20px;
}

.page-hero p {
  font-size: 1.15rem;
  color: var(--text-secondary);
  line-height: 1.7;
}

/* =============================================
   BREADCRUMB
   ============================================= */
.breadcrumb {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.8rem;
  color: var(--text-muted);
  justify-content: center;
  margin-bottom: 24px;
}

.breadcrumb a { transition: var(--transition); }
.breadcrumb a:hover { color: var(--teal); }
.breadcrumb .sep { opacity: 0.4; }
.breadcrumb .current { color: var(--teal); }

/* =============================================
   SERVICE DETAIL CARDS (Services Page)
   ============================================= */
.service-detail {
  padding: 100px 0;
  border-bottom: 1px solid var(--border);
}

.service-detail:nth-child(even) {
  background: var(--surface);
}

.service-detail-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: start;
}

.service-detail-grid.reverse {
  direction: rtl;
}

.service-detail-grid.reverse > * { direction: ltr; }

.service-detail-header {
  display: flex;
  align-items: center;
  gap: 20px;
  margin-bottom: 24px;
}

.service-detail-icon {
  width: 60px; height: 60px;
  background: linear-gradient(135deg, rgba(45,217,190,0.15), rgba(45,217,190,0.05));
  border: 1px solid rgba(45,217,190,0.3);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--teal);
  flex-shrink: 0;
}

.service-detail-icon svg { width: 28px; height: 28px; }

.service-detail h2 {
  font-size: 2rem;
  font-weight: 800;
}

.service-detail-tagline {
  font-size: 1.1rem;
  color: var(--teal);
  font-style: italic;
  margin-bottom: 20px;
}

.service-detail p {
  color: var(--text-secondary);
  line-height: 1.8;
  margin-bottom: 16px;
}

.service-detail-promise {
  background: linear-gradient(135deg, rgba(45,217,190,0.08), rgba(45,217,190,0.03));
  border-left: 3px solid var(--teal);
  border-radius: 0 var(--radius-md) var(--radius-md) 0;
  padding: 20px 24px;
  margin: 24px 0;
}

.service-detail-promise strong {
  display: block;
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--teal);
  margin-bottom: 8px;
}

.service-detail-promise p {
  color: var(--text-primary);
  font-weight: 500;
  margin: 0;
}

/* Features list */
.features-panel {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-xl);
  padding: 40px;
}

.features-panel h3 {
  font-size: 1rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--teal);
  margin-bottom: 24px;
}

.feature-list {
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.feature-item {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  font-size: 0.9rem;
  color: var(--text-secondary);
  line-height: 1.5;
}

.feature-item::before {
  content: '✓';
  color: var(--teal);
  font-weight: 700;
  flex-shrink: 0;
  margin-top: 1px;
}

/* =============================================
   PORTFOLIO GRID
   ============================================= */
.portfolio-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 28px;
}

.portfolio-card {
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: var(--radius-xl);
  overflow: hidden;
  transition: var(--transition);
}

.portfolio-card:hover {
  transform: translateY(-6px);
  border-color: rgba(45,217,190,0.35);
  box-shadow: 0 20px 60px rgba(0,0,0,0.5);
}

.portfolio-card-img {
  height: 200px;
  background: linear-gradient(135deg, var(--navy) 0%, var(--surface) 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 4rem;
  position: relative;
  overflow: hidden;
}

.portfolio-card-img::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(to bottom, transparent 50%, rgba(14,22,36,0.8));
}

.portfolio-card-body {
  padding: 32px;
}

.portfolio-tags {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  margin-bottom: 16px;
}

.portfolio-tag {
  padding: 4px 12px;
  border-radius: 100px;
  font-size: 0.75rem;
  font-weight: 600;
  background: rgba(45,217,190,0.1);
  color: var(--teal);
  border: 1px solid rgba(45,217,190,0.2);
}

.portfolio-card h3 {
  font-size: 1.3rem;
  font-weight: 700;
  margin-bottom: 12px;
}

.portfolio-card p {
  color: var(--text-secondary);
  font-size: 0.9rem;
  line-height: 1.7;
  margin-bottom: 20px;
}

.portfolio-result {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 14px 20px;
  background: rgba(45,217,190,0.05);
  border: 1px solid rgba(45,217,190,0.15);
  border-radius: var(--radius-md);
}

.result-label {
  font-size: 0.75rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  white-space: nowrap;
}

.result-value {
  font-size: 0.9rem;
  font-weight: 700;
  color: var(--teal);
}

/* Portfolio filter */
.portfolio-filter {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
  justify-content: center;
  margin-bottom: 48px;
}

.filter-btn {
  padding: 8px 20px;
  border-radius: 100px;
  font-size: 0.85rem;
  font-weight: 600;
  background: transparent;
  border: 1px solid var(--border);
  color: var(--text-secondary);
  cursor: pointer;
  transition: var(--transition);
  font-family: var(--font-main);
}

.filter-btn:hover, .filter-btn.active {
  background: rgba(45,217,190,0.1);
  border-color: var(--teal);
  color: var(--teal);
}

/* =============================================
   BLOG / INSIGHTS
   ============================================= */
.blog-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}

.blog-card {
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: var(--radius-xl);
  overflow: hidden;
  transition: var(--transition);
}

.blog-card:hover {
  transform: translateY(-6px);
  border-color: rgba(45,217,190,0.3);
  box-shadow: 0 20px 60px rgba(0,0,0,0.4);
}

.blog-card-img {
  height: 160px;
  background: linear-gradient(135deg, var(--navy), var(--surface));
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 3rem;
}

.blog-card-body {
  padding: 28px;
}

.blog-meta {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 16px;
}

.blog-tag {
  padding: 3px 10px;
  border-radius: 100px;
  font-size: 0.7rem;
  font-weight: 700;
  background: rgba(45,217,190,0.1);
  color: var(--teal);
  letter-spacing: 0.04em;
}

.blog-read {
  font-size: 0.75rem;
  color: var(--text-muted);
}

.blog-card h3 {
  font-size: 1.05rem;
  font-weight: 700;
  margin-bottom: 12px;
  line-height: 1.4;
}

.blog-card p {
  font-size: 0.875rem;
  color: var(--text-secondary);
  line-height: 1.6;
}

/* =============================================
   CAREERS
   ============================================= */
.job-card {
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: var(--radius-xl);
  padding: 40px;
  margin-bottom: 20px;
  transition: var(--transition);
}

.job-card:hover {
  border-color: rgba(45,217,190,0.3);
  transform: translateX(6px);
}

.job-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 24px;
  margin-bottom: 20px;
}

.job-title {
  font-size: 1.3rem;
  font-weight: 700;
  margin-bottom: 8px;
}

.job-meta {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
}

.job-badge {
  padding: 4px 12px;
  border-radius: 100px;
  font-size: 0.75rem;
  font-weight: 600;
  background: rgba(45,217,190,0.08);
  color: var(--teal);
  border: 1px solid rgba(45,217,190,0.2);
}

.job-desc {
  color: var(--text-secondary);
  font-size: 0.95rem;
  line-height: 1.7;
  margin-bottom: 20px;
}

.job-skills {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  margin-bottom: 24px;
}

.skill-tag {
  padding: 5px 14px;
  border-radius: 6px;
  font-size: 0.8rem;
  background: rgba(255,255,255,0.04);
  border: 1px solid var(--border-light);
  color: var(--text-secondary);
  font-family: 'Inter', monospace;
}

/* =============================================
   CONTACT
   ============================================= */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1.6fr;
  gap: 60px;
  align-items: start;
}

.contact-info {
  display: flex;
  flex-direction: column;
  gap: 32px;
}

.contact-info-item {
  display: flex;
  gap: 18px;
  align-items: flex-start;
}

.contact-info-icon {
  width: 48px; height: 48px;
  background: rgba(45,217,190,0.08);
  border: 1px solid rgba(45,217,190,0.2);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  font-size: 1.3rem;
}

.contact-info-label {
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--teal);
  font-weight: 600;
  margin-bottom: 4px;
}

.contact-info-value {
  font-size: 1rem;
  color: var(--text-primary);
  font-weight: 500;
}

.contact-info-value a { color: inherit; transition: var(--transition); }
.contact-info-value a:hover { color: var(--teal); }

/* Contact Form */
.contact-form-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-xl);
  padding: 48px;
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
}

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

.form-group label {
  display: block;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--text-secondary);
  margin-bottom: 8px;
  letter-spacing: 0.02em;
}

.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  padding: 14px 18px;
  background: rgba(255,255,255,0.04);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  color: var(--text-primary);
  font-family: var(--font-main);
  font-size: 0.95rem;
  transition: var(--transition);
  outline: none;
  -webkit-appearance: none;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  border-color: var(--teal);
  background: rgba(45,217,190,0.04);
  box-shadow: 0 0 0 3px rgba(45,217,190,0.1);
}

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

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

.form-group textarea {
  min-height: 140px;
  resize: vertical;
}

.required { color: var(--teal); }

.form-submit {
  width: 100%;
  justify-content: center;
  padding: 16px;
  font-size: 1rem;
}

/* =============================================
   CONSULTATION PAGE
   ============================================= */
.consultation-benefits {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 20px;
  margin-bottom: 40px;
}

.benefit-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 24px;
  display: flex;
  gap: 16px;
  align-items: flex-start;
}

.benefit-icon {
  font-size: 1.5rem;
  flex-shrink: 0;
}

.benefit-card h4 {
  font-size: 0.95rem;
  font-weight: 700;
  margin-bottom: 6px;
}

.benefit-card p {
  font-size: 0.85rem;
  color: var(--text-secondary);
  line-height: 1.5;
}

.who-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 16px;
  margin-top: 24px;
}

.who-item {
  display: flex;
  gap: 12px;
  align-items: flex-start;
  font-size: 0.9rem;
  color: var(--text-secondary);
  line-height: 1.5;
}

.who-item::before {
  content: '→';
  color: var(--teal);
  font-weight: 700;
  flex-shrink: 0;
}

.checkbox-group {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 12px;
}

.checkbox-label {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 0.9rem;
  color: var(--text-secondary);
  cursor: pointer;
  padding: 10px 14px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border);
  transition: var(--transition);
}

.checkbox-label input[type="checkbox"] {
  width: 16px; height: 16px;
  accent-color: var(--teal);
  cursor: pointer;
}

.checkbox-label:hover {
  border-color: rgba(45,217,190,0.3);
  color: var(--text-primary);
}

/* =============================================
   VALUES GRID
   ============================================= */
.values-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.value-card {
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: var(--radius-xl);
  padding: 36px 32px;
  transition: var(--transition);
  text-align: center;
}

.value-card:hover {
  border-color: rgba(45,217,190,0.3);
  transform: translateY(-6px);
  box-shadow: var(--shadow-teal);
}

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

.value-card h3 {
  font-size: 1.1rem;
  font-weight: 700;
  margin-bottom: 12px;
}

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

/* =============================================
   APPROACH / PROCESS
   ============================================= */
.process-steps {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
  position: relative;
}

.process-steps::before {
  content: '';
  position: absolute;
  top: 36px; left: 10%;
  width: 80%; height: 1px;
  background: linear-gradient(90deg, transparent, var(--teal), transparent);
  opacity: 0.3;
}

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

.step-num {
  width: 72px; height: 72px;
  background: linear-gradient(135deg, rgba(45,217,190,0.15), rgba(45,217,190,0.05));
  border: 2px solid rgba(45,217,190,0.35);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  font-weight: 800;
  color: var(--teal);
  margin: 0 auto 20px;
  font-family: var(--font-display);
}

.process-step h3 {
  font-size: 1.1rem;
  font-weight: 700;
  margin-bottom: 10px;
}

.process-step p {
  font-size: 0.875rem;
  color: var(--text-secondary);
  line-height: 1.6;
}

/* =============================================
   SUCCESS MESSAGE
   ============================================= */
.success-msg {
  display: none;
  text-align: center;
  padding: 40px;
}

.success-msg.visible { display: flex; flex-direction: column; align-items: center; gap: 16px; }

.success-icon {
  width: 64px; height: 64px;
  background: rgba(45,217,190,0.1);
  border: 2px solid var(--teal);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.8rem;
}

.success-msg h3 {
  font-size: 1.5rem;
  font-weight: 700;
}

.success-msg p {
  color: var(--text-secondary);
  font-size: 1rem;
  max-width: 400px;
  line-height: 1.7;
}

/* =============================================
   RESPONSIVE
   ============================================= */
@media (max-width: 1100px) {
  .services-grid { grid-template-columns: repeat(3, 1fr); }
  .footer-grid { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 900px) {
  .intro-grid,
  .why-grid,
  .service-detail-grid,
  .contact-grid { grid-template-columns: 1fr; gap: 48px; }

  .service-detail-grid.reverse { direction: ltr; }

  .services-grid { grid-template-columns: repeat(2, 1fr); }
  .portfolio-grid { grid-template-columns: 1fr; }
  .blog-grid { grid-template-columns: repeat(2, 1fr); }
  .values-grid { grid-template-columns: repeat(2, 1fr); }
  .process-steps { grid-template-columns: repeat(2, 1fr); }
  .process-steps::before { display: none; }
  .why-visual { display: none; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .hero-stats { gap: 20px; padding: 24px 28px; }
}

@media (max-width: 768px) {
  .nav-links { display: none; position: fixed; top: var(--nav-height); left: 0; right: 0; background: rgba(14,22,36,0.98); backdrop-filter: blur(20px); padding: 24px; flex-direction: column; gap: 4px; border-bottom: 1px solid var(--border); }
  .nav-links.open { display: flex; }
  .nav-link { padding: 14px 16px; font-size: 1rem; border-radius: var(--radius-md); }
  .hamburger { display: flex; }
  .nav-cta { display: none; }

  .services-grid { grid-template-columns: 1fr 1fr; }
  .hero-stats { flex-direction: column; gap: 24px; }
  .stat-divider { width: 80px; height: 1px; }
  .strip-stats { gap: 32px; }
  .strip-divider { display: none; }
  .cta-card { padding: 48px 28px; }
  .form-row { grid-template-columns: 1fr; }
  .consultation-benefits { grid-template-columns: 1fr; }
  .who-grid { grid-template-columns: 1fr; }
  .checkbox-group { grid-template-columns: 1fr; }
  .blog-grid { grid-template-columns: 1fr; }
  .values-grid { grid-template-columns: 1fr; }
  .process-steps { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 520px) {
  .services-grid { grid-template-columns: 1fr; }
  .hero-ctas { flex-direction: column; }
  .footer-grid { grid-template-columns: 1fr; }
  .footer-bottom { flex-direction: column; gap: 16px; text-align: center; }
  .contact-form-card { padding: 28px 20px; }
  .process-steps { grid-template-columns: 1fr; }
  .section { padding: 64px 0; }
}