/* =========================================================
   DataKook – Modern Website
   Theme: Dark-Light Hybrid / Glassmorphism / Bold
   ========================================================= */

/* ── Custom Properties ─────────────────────────────────── */
:root {
  /* Brand */
  --blue-900: #0a1628;
  --blue-800: #0d1f3c;
  --blue-700: #0f2a52;
  --blue-600: #104c97;
  --blue-500: #1a6fd4;
  --blue-400: #4d94e8;
  --blue-300: #7eb8f7;
  --blue-200: #b8d8fb;
  --blue-100: #e7f1fe;
  --blue-50:  #f3f8ff;

  --green-500: #34b44a;
  --green-400: #4fd165;

  /* Neutrals */
  --gray-950: #09090b;
  --gray-900: #18181b;
  --gray-800: #27272a;
  --gray-700: #3f3f46;
  --gray-600: #52525b;
  --gray-500: #71717a;
  --gray-400: #a1a1aa;
  --gray-300: #d4d4d8;
  --gray-200: #e4e4e7;
  --gray-100: #f4f4f5;
  --gray-50:  #fafafa;
  --white:    #ffffff;

  /* Gradients */
  --gradient-brand: linear-gradient(135deg, var(--blue-500), var(--green-500));
  --gradient-text:  linear-gradient(135deg, var(--blue-400), var(--green-400));
  --gradient-dark:  linear-gradient(180deg, var(--blue-900) 0%, var(--gray-950) 100%);
  --gradient-card:  linear-gradient(135deg, rgba(255,255,255,0.05), rgba(255,255,255,0.02));

  /* Shadows */
  --shadow-sm:  0 1px 2px rgba(0,0,0,0.05);
  --shadow-md:  0 4px 16px rgba(0,0,0,0.08);
  --shadow-lg:  0 12px 40px rgba(0,0,0,0.12);
  --shadow-xl:  0 24px 60px rgba(0,0,0,0.18);
  --shadow-glow: 0 0 60px rgba(26,111,212,0.15);

  /* Layout */
  --max-w: 1200px;
  --nav-h: 72px;

  /* Motion */
  --ease-out: cubic-bezier(0.16, 1, 0.3, 1);
  --ease-spring: cubic-bezier(0.34, 1.56, 0.64, 1);
  --duration: 0.4s;
}

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

html {
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  color: var(--gray-800);
  background: var(--white);
  line-height: 1.6;
  overflow-x: hidden;
}

img {
  max-width: 100%;
  height: auto;
  display: block;
}

a {
  text-decoration: none;
  color: inherit;
  transition: color var(--duration) var(--ease-out);
}

ul { list-style: none; }

/* ── Utility ───────────────────────────────────────────── */
.container {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0 24px;
}

.gradient-text {
  background: var(--gradient-text);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

/* ── Buttons ───────────────────────────────────────────── */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: inherit;
  font-weight: 600;
  font-size: 0.95rem;
  padding: 12px 28px;
  border-radius: 12px;
  border: none;
  cursor: pointer;
  transition: all var(--duration) var(--ease-out);
  white-space: nowrap;
}

.btn-lg {
  padding: 16px 36px;
  font-size: 1.05rem;
  border-radius: 14px;
}

.btn-primary {
  background: var(--gradient-brand);
  color: var(--white);
  box-shadow: 0 4px 20px rgba(26,111,212,0.3);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 30px rgba(26,111,212,0.4);
}

.btn-outline {
  background: transparent;
  color: var(--blue-600);
  border: 2px solid var(--blue-200);
}

.btn-outline:hover {
  background: var(--blue-50);
  border-color: var(--blue-400);
}

.btn-outline-light {
  background: transparent;
  color: var(--white);
  border: 2px solid rgba(255,255,255,0.25);
}

.btn-outline-light:hover {
  background: rgba(255,255,255,0.1);
  border-color: rgba(255,255,255,0.5);
}

.btn-nav {
  background: var(--gradient-brand);
  color: var(--white) !important;
  padding: 10px 22px;
  border-radius: 10px;
  font-size: 0.9rem;
}

.btn-nav:hover {
  transform: translateY(-1px);
  box-shadow: 0 4px 16px rgba(26,111,212,0.3);
  color:rgb(16, 76, 151) !important;
}

.nav-ai {
  background: linear-gradient(135deg, var(--blue-500), var(--green-500));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  font-weight: 700;
  position: relative;
  animation: nav-ai-pulse 2s ease-in-out infinite;
}

.nav-ai:hover {
  -webkit-text-fill-color: var(--white);
  background: none;
  text-shadow: 0 0 12px rgba(26,111,212,0.6), 0 0 24px rgba(52,180,74,0.4);
}

@keyframes nav-ai-pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.6; }
}

/* ── Navbar ────────────────────────────────────────────── */
#header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  height: var(--nav-h);
  background: rgba(255,255,255,0.75);
  backdrop-filter: blur(20px) saturate(180%);
  -webkit-backdrop-filter: blur(20px) saturate(180%);
  border-bottom: 1px solid rgba(0,0,0,0.06);
  transition: all 0.3s ease;
}

#header.scrolled {
  box-shadow: var(--shadow-md);
}

.navbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0 24px;
  height: 100%;
}

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

.nav-links {
  display: flex;
  align-items: center;
  gap: 8px;
}

.nav-links li a {
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--gray-600);
  padding: 8px 14px;
  border-radius: 8px;
  transition: all 0.25s ease;
}

.nav-links li a:hover {
  color: var(--blue-600);
  background: var(--blue-50);
}

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

.nav-toggle span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--gray-700);
  border-radius: 2px;
  transition: all 0.3s ease;
}

/* ── Hero ──────────────────────────────────────────────── */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding-top: var(--nav-h);
  overflow: hidden;
  background: var(--gradient-dark);
  color: var(--white);
}

.hero-bg {
  position: absolute;
  inset: 0;
  overflow: hidden;
}

.hero-orb {
  position: absolute;
  border-radius: 50%;
  filter: blur(100px);
  opacity: 0.4;
  animation: orbFloat 20s ease-in-out infinite;
}

.hero-orb--1 {
  width: 600px;
  height: 600px;
  background: var(--blue-500);
  top: -200px;
  right: -100px;
  animation-delay: 0s;
}

.hero-orb--2 {
  width: 400px;
  height: 400px;
  background: var(--green-500);
  bottom: -100px;
  left: -100px;
  animation-delay: -7s;
}

.hero-orb--3 {
  width: 300px;
  height: 300px;
  background: var(--blue-400);
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  animation-delay: -14s;
  opacity: 0.2;
}

@keyframes orbFloat {
  0%, 100% { transform: translate(0, 0) scale(1); }
  25% { transform: translate(30px, -50px) scale(1.05); }
  50% { transform: translate(-20px, 30px) scale(0.95); }
  75% { transform: translate(40px, 20px) scale(1.02); }
}

.hero-grid {
  position: absolute;
  inset: 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;
  mask-image: radial-gradient(ellipse 80% 60% at 50% 40%, black 30%, transparent 80%);
  -webkit-mask-image: radial-gradient(ellipse 80% 60% at 50% 40%, black 30%, transparent 80%);
}

.hero-inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
  position: relative;
  z-index: 2;
  padding: 80px 24px 60px;
  max-width: none;
}

.hero-badge {
  display: inline-block;
  padding: 6px 16px;
  border-radius: 100px;
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  background: rgba(255,255,255,0.1);
  border: 1px solid rgba(255,255,255,0.15);
  backdrop-filter: blur(8px);
  margin-bottom: 24px;
  color: var(--blue-200);
}

.hero h1 {
  font-size: clamp(2.2rem, 5vw, 3.8rem);
  font-weight: 800;
  line-height: 1.1;
  letter-spacing: -0.03em;
  margin-bottom: 24px;
  color: var(--white);
}

.hero-sub {
  font-size: 1.15rem;
  line-height: 1.7;
  color: var(--gray-400);
  max-width: 520px;
  margin-bottom: 40px;
}

.hero-actions {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
  margin-bottom: 56px;
}

/* Hero Stats */
.hero-stats {
  display: flex;
  gap: 40px;
}

.stat {
  display: flex;
  flex-direction: column;
}

.stat-number {
  font-size: 2rem;
  font-weight: 800;
  color: var(--white);
  line-height: 1;
}

.stat-suffix {
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--blue-400);
}

.stat-label {
  font-size: 0.8rem;
  color: var(--gray-500);
  margin-top: 4px;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

/* Hero Visual */
.hero-visual {
  position: relative;
  margin-left: -16px;
  margin-right: -16px;
}

.hero-image-wrapper {
  position: relative;
  border-radius: 12px;
  overflow: hidden;
  box-shadow: var(--shadow-xl), var(--shadow-glow);
  border: 1px solid rgba(255,255,255,0.1);
  max-height: 90vh;
  max-width: 110%;
  margin-left: -5%;
}

.hero-image-wrapper img,video {
  width: 100%;
  display: block;
}

.hero-image-glow {
  position: absolute;
  inset: -50%;
  background: radial-gradient(circle at center, rgba(26,111,212,0.15) 0%, transparent 70%);
  pointer-events: none;
}

/* Scroll Indicator */
.hero-scroll-indicator {
  position: absolute;
  bottom: 32px;
  left: 48%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  z-index: 2;
}

.hero-scroll-indicator span {
  font-size: 0.7rem;
  text-transform: uppercase;
  letter-spacing: 0.15em;
  color: var(--gray-500);
}

.scroll-line {
  width: 1px;
  height: 40px;
  background: linear-gradient(to bottom, var(--blue-400), transparent);
  animation: scrollPulse 2s ease-in-out infinite;
}

@keyframes scrollPulse {
  0%, 100% { opacity: 1; transform: scaleY(1); }
  50% { opacity: 0.3; transform: scaleY(0.6); }
}

/* ── Logos Strip ───────────────────────────────────────── */
.logos-strip {
  padding: 40px 0;
  background: var(--gray-50);
  border-bottom: 1px solid var(--gray-200);
}

.logos-label {
  text-align: center;
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--gray-500);
  margin-bottom: 24px;
  font-weight: 600;
}

.logos-track {
  display: flex;
  justify-content: center;
  gap: 40px;
  flex-wrap: wrap;
}

.logo-item {
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--gray-400);
  padding: 8px 20px;
  border-radius: 8px;
  border: 1px solid var(--gray-200);
  background: var(--white);
  transition: all 0.3s ease;
}

.logo-item:hover {
  color: var(--blue-600);
  border-color: var(--blue-200);
  box-shadow: var(--shadow-sm);
}

/* ── Section Base ──────────────────────────────────────── */
.section {
  padding: 120px 0;
}

.section--alt {
  background: var(--gray-50);
}

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

.section--dark .section-sub {
  color: var(--gray-400);
}

.section-header {
  text-align: center;
  max-width: 680px;
  margin: 0 auto 64px;
}

.section-badge {
  display: inline-block;
  padding: 6px 16px;
  border-radius: 100px;
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  background: var(--blue-100);
  color: var(--blue-600);
  margin-bottom: 20px;
}

.section-badge--light {
  background: rgba(255,255,255,0.1);
  color: var(--blue-300);
  border: 1px solid rgba(255,255,255,0.1);
}

.section h2 {
  font-size: clamp(1.8rem, 3.5vw, 2.8rem);
  font-weight: 800;
  letter-spacing: -0.02em;
  line-height: 1.15;
  margin-bottom: 16px;
}

.section--dark h2 {
  color: var(--white);
}

.section-sub {
  font-size: 1.1rem;
  color: var(--gray-500);
  line-height: 1.7;
}

/* ── Problem Section ───────────────────────────────────── */
.problem-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
}

.problem-card {
  background: var(--white);
  border: 1px solid var(--gray-200);
  border-radius: 20px;
  padding: 40px 32px;
  transition: all var(--duration) var(--ease-out);
  position: relative;
  overflow: hidden;
}

.problem-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: var(--gradient-brand);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform var(--duration) var(--ease-out);
}

.problem-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
  border-color: var(--blue-200);
}

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

.problem-icon {
  width: 56px;
  height: 56px;
  border-radius: 14px;
  background: var(--blue-50);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 24px;
  color: var(--blue-600);
}

.problem-card h3 {
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--gray-900);
  margin-bottom: 12px;
}

.problem-card p {
  color: var(--gray-500);
  font-size: 0.95rem;
  line-height: 1.65;
}

/* ── Solution Section ──────────────────────────────────── */
/* ── Solution Section ──────────────────────────────────── */
#solution > .container {
  max-width: none;
}

.solution-layout {
  display: grid;
  grid-template-columns: 1fr 1.5fr;
  gap: 48px;
  align-items: start;
}

.solution-carousel {
  overflow: hidden;
  margin-left: -16px;
  margin-right: -16px;
}

.solution-points {
  display: flex;
  flex-direction: column;
  gap: 28px;
}

.solution-point {
  display: flex;
  gap: 16px;
  align-items: flex-start;
}

.solution-point-icon {
  flex-shrink: 0;
  width: 40px;
  height: 40px;
  border-radius: 10px;
  background: rgba(52,180,74,0.15);
  color: var(--green-400);
  display: flex;
  align-items: center;
  justify-content: center;
}

.solution-point h4 {
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--white);
  margin-bottom: 4px;
}

.solution-point p {
  font-size: 0.9rem;
  color: var(--gray-400);
  line-height: 1.6;
}

/* Azure Notice */
.azure-notice {
  display: flex;
  align-items: center;
  gap: 16px;
  margin-top: 60px;
  padding: 20px 28px;
  border-radius: 14px;
  background: rgba(255,255,255,0.05);
  border: 1px solid rgba(255,255,255,0.08);
  backdrop-filter: blur(8px);
}

.azure-notice-icon {
  flex-shrink: 0;
  color: var(--blue-400);
}

.azure-notice p {
  font-size: 0.95rem;
  color: var(--gray-300);
}

/* ── Carousel ──────────────────────────────────────────── */
.carousel {
  position: relative;
  border-radius: 12px;
  overflow: hidden;
  background: rgba(255,255,255,0.05);
  border: 1px solid rgba(255,255,255,0.1);
  box-shadow: var(--shadow-xl), var(--shadow-glow);
  max-height: 80vh;
}

.carousel-track {
  display: flex;
  transition: transform 0.6s var(--ease-out);
}

.carousel-slide {
  flex: 0 0 100%;
  width: 100%;
  overflow: hidden;
}

.carousel-slide img {
  width: 100%;
  height: calc(80vh - 40px);
  object-fit: cover;
  object-position: top center;
  display: block;
  padding: 0;
  margin: 0;
  background: rgba(255,255,255,0.03);
  cursor: zoom-in;
}

.carousel-caption {
  display: block;
  text-align: center;
  padding: 10px 16px;
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--white);
  background: rgba(0,0,0,0.6);
  letter-spacing: 0.02em;
}

.carousel-controls {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 16px;
  padding: 40px;
  z-index: 2;
}

.carousel-btn {
  width: 40px;
  height: 40px;
  border-radius: 10px;
  border: 1px solid rgba(255,255,255,0.15);
  background: rgba(0,0,0,0.15);
  color: var(--white);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: all 0.3s ease;
}

.carousel-btn:hover {
  background: rgba(0,0,0,0.25);
  border-color: rgba(255,255,255,0.3);
}

.carousel-dots {
  display: flex;
  gap: 8px;
}

.carousel-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: rgba(255,255,255,0.2);
  cursor: pointer;
  transition: all 0.3s ease;
}

.carousel-dot.active {
  background: var(--blue-400);
  width: 24px;
  border-radius: 4px;
}

/* ── Features ──────────────────────────────────────────── */
.features-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}

.feature-card {
  background: var(--white);
  border: 1px solid var(--gray-200);
  border-radius: 20px;
  padding: 36px 28px 28px;
  position: relative;
  transition: all var(--duration) var(--ease-out);
  overflow: hidden;
}

.feature-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-lg);
  border-color: var(--blue-200);
}

.feature-card-top {
  display: flex;
  flex-direction: row;
  align-items: center;
  gap: 14px;
  margin-bottom: 10px;
}

.feature-card-icon {
  width: 50px;
  height: 50px;
  border-radius: 16px;
  background: var(--blue-600);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 0;
  flex-shrink: 0;
  transition: all var(--duration) var(--ease-out);
}

.feature-card:hover .feature-card-icon {
  background: var(--blue-500);
  transform: scale(1.05);
}

.feature-card-icon img {
  width: 26px;
  height: 26px;
}

.feature-card h3 {
  font-size: 17px;
  font-weight: 700;
  color: var(--gray-900);
  margin-bottom: 0;
}

.feature-card p {
  font-size: 14px;
  color: var(--gray-500);
  line-height: 1.65;
  margin-bottom: 20px;
}

.feature-tag {
  display: inline-block;
  font-size: 11px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  padding: 4px 12px;
  border-radius: 6px;
  background: var(--blue-50);
  color: var(--blue-600);
}

/* ── Pillars ───────────────────────────────────────────── */
.pillars {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
}

.pillar-card {
  background: var(--white);
  border: 1px solid var(--gray-200);
  border-radius: 24px;
  padding: 40px 32px;
  position: relative;
  transition: all var(--duration) var(--ease-out);
}

.pillar-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-lg);
}

.pillar-number {
  font-size: 4rem;
  font-weight: 900;
  line-height: 1;
  background: var(--gradient-brand);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  opacity: 0.2;
  position: absolute;
  top: 24px;
  right: 28px;
}

.pillar-icon {
  font-size: 2.2rem;
  margin-bottom: 20px;
}

.pillar-card h3 {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--gray-900);
  margin-bottom: 12px;
}

.pillar-card > p {
  font-size: 0.9rem;
  color: var(--gray-500);
  line-height: 1.65;
  margin-bottom: 24px;
}

.pillar-features {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.pillar-features li {
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--gray-600);
  padding-left: 20px;
  position: relative;
}

.pillar-features li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 7px;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--gradient-brand);
}

/* ── AI Section ────────────────────────────────────────── */
.ai-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}

.ai-card {
  background: rgba(255,255,255,0.04);
  border: 1px solid rgba(255,255,255,0.08);
  border-radius: 20px;
  padding: 36px 28px;
  transition: all var(--duration) var(--ease-out);
  position: relative;
  overflow: hidden;
}

.ai-card::before {
  content: '';
  position: absolute;
  inset: 0;
  background: var(--gradient-brand);
  opacity: 0;
  transition: opacity var(--duration) var(--ease-out);
}

.ai-card:hover {
  transform: translateY(-4px);
  border-color: rgba(255,255,255,0.15);
}

.ai-card:hover::before {
  opacity: 0.05;
}

.ai-card > * { position: relative; z-index: 1; }

.ai-card-number {
  font-size: 2.5rem;
  font-weight: 900;
  background: var(--gradient-text);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  opacity: 0.4;
  line-height: 1;
  margin-bottom: 20px;
}

.ai-card h4 {
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--white);
  margin-bottom: 10px;
}

.ai-card p {
  font-size: 0.88rem;
  color: var(--gray-400);
  line-height: 1.65;
}

/* ── Benefits ──────────────────────────────────────────── */
.benefits-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 28px;
}

.benefit-card {
  text-align: center;
  padding: 40px 24px;
  border-radius: 20px;
  border: 1px solid var(--gray-200);
  background: var(--white);
  transition: all var(--duration) var(--ease-out);
}

.benefit-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-lg);
  border-color: var(--blue-200);
}

.benefit-icon {
  width: 72px;
  height: 72px;
  border-radius: 20px;
  background: var(--blue-50);
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 24px;
  color: var(--blue-600);
  transition: all var(--duration) var(--ease-out);
}

.benefit-card:hover .benefit-icon {
  background: var(--blue-100);
  transform: scale(1.08);
}

.benefit-card h3 {
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--gray-900);
  margin-bottom: 10px;
}

.benefit-card p {
  font-size: 0.88rem;
  color: var(--gray-500);
  line-height: 1.6;
}

/* ── CTA Section ───────────────────────────────────────── */
.section--cta {
  background: var(--gradient-dark);
  position: relative;
  overflow: hidden;
  text-align: center;
}

.section--cta::before {
  content: '';
  position: absolute;
  top: -200px;
  left: 50%;
  transform: translateX(-50%);
  width: 800px;
  height: 800px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(26,111,212,0.2) 0%, transparent 70%);
  pointer-events: none;
}

.cta-content {
  position: relative;
  z-index: 1;
}

.cta-content h2 {
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 800;
  color: var(--white);
  margin-bottom: 16px;
}

.cta-content p {
  font-size: 1.15rem;
  color: var(--gray-400);
  margin-bottom: 40px;
  max-width: 500px;
  margin-left: auto;
  margin-right: auto;
}

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

/* ── Contact ───────────────────────────────────────────── */
.contact-card {
  max-width: 480px;
  margin: 0 auto;
  text-align: center;
  padding: 48px;
  border-radius: 24px;
  border: 1px solid var(--gray-200);
  background: var(--white);
  box-shadow: var(--shadow-md);
}

.contact-email {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  font-size: 1.2rem;
  font-weight: 600;
  color: var(--blue-600);
  padding: 16px 32px;
  border-radius: 14px;
  background: var(--blue-50);
  transition: all 0.3s ease;
}

.contact-email:hover {
  background: var(--blue-100);
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

/* ── Footer ────────────────────────────────────────────── */
.footer {
  background: var(--gray-950);
  color: var(--gray-400);
  padding-top: 80px;
}

.footer-inner {
  display: grid;
  grid-template-columns: 1.5fr 2fr;
  gap: 60px;
  padding-bottom: 48px;
}

.footer-logo {
  height: 32px;
  margin-bottom: 16px;
  filter: brightness(0) invert(1) opacity(0.8);
}

.footer-brand p {
  font-size: 0.9rem;
  color: var(--gray-500);
  max-width: 280px;
}

.footer-links {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 40px;
}

.footer-col h4 {
  font-size: 0.85rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--gray-300);
  margin-bottom: 16px;
}

.footer-col a {
  display: block;
  font-size: 0.9rem;
  color: var(--gray-500);
  padding: 4px 0;
  transition: color 0.25s ease;
}

.footer-col a:hover {
  color: var(--white);
}

.footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.06);
  padding: 24px 0;
}

.footer-bottom p {
  font-size: 0.82rem;
  color: var(--gray-600);
  text-align: center;
}

/* ── Image Modal ───────────────────────────────────────── */
.modal-overlay {
  display: none;
  position: fixed;
  inset: 0;
  z-index: 9999;
  background: rgba(0,0,0,0.85);
  backdrop-filter: blur(8px);
  justify-content: center;
  align-items: center;
  padding: 24px;
}

.modal-overlay.active {
  display: flex;
}

.modal-close {
  position: absolute;
  top: 20px;
  right: 28px;
  background: none;
  border: none;
  color: var(--white);
  font-size: 2.5rem;
  cursor: pointer;
  transition: opacity 0.3s ease;
  z-index: 10000;
}

.modal-close:hover {
  opacity: 0.7;
}

.modal-image {
  max-width: 90%;
  max-height: 90vh;
  border-radius: 16px;
  box-shadow: 0 8px 40px rgba(0,0,0,0.4);
  animation: modalZoom 0.3s var(--ease-out);
}

@keyframes modalZoom {
  from { transform: scale(0.92); opacity: 0; }
  to { transform: scale(1); opacity: 1; }
}

/* ── Feature Popup Modal ───────────────────────────────── */
.feature-modal-overlay {
  display: none;
  position: fixed;
  inset: 0;
  z-index: 9998;
  background: rgba(0,0,0,0.85);
  backdrop-filter: blur(8px);
  justify-content: center;
  align-items: center;
  padding: 24px;
}

.feature-modal-overlay.active {
  display: flex;
}

.feature-modal {
  position: relative;
  background: var(--gray-900);
  border-radius: 16px;
  border: 1px solid rgba(255,255,255,0.1);
  max-width: 900px;
  width: 100%;
  overflow: hidden;
  animation: modalZoom 0.3s var(--ease-out);
  box-shadow: 0 24px 60px rgba(0,0,0,0.5);
}

.feature-modal-close {
  position: absolute;
  top: 12px;
  right: 16px;
  background: none;
  border: none;
  color: var(--white);
  font-size: 2rem;
  cursor: pointer;
  z-index: 10;
  transition: opacity 0.3s ease;
}

.feature-modal-close:hover {
  opacity: 0.7;
}

.feature-modal-title {
  padding: 20px 24px 12px;
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--white);
}

.feature-modal-carousel {
  position: relative;
  overflow: hidden;
}

.feature-modal-track {
  display: flex;
  transition: transform 0.5s var(--ease-out);
}

.feature-modal-track img {
  flex: 0 0 100%;
  width: 100%;
  max-height: 65vh;
  object-fit: contain;
  background: var(--gray-950);
  display: block;
}

.feature-modal-caption {
  text-align: center;
  padding: 10px 16px;
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--gray-300);
  background: rgba(0,0,0,0.4);
}

.feature-modal-controls {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 16px;
  padding: 12px 16px;
}

.feature-modal-btn {
  width: 36px;
  height: 36px;
  border-radius: 8px;
  border: 1px solid rgba(255,255,255,0.15);
  background: rgba(255,255,255,0.05);
  color: var(--white);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: all 0.3s ease;
}

.feature-modal-btn:hover {
  background: rgba(255,255,255,0.15);
  border-color: rgba(255,255,255,0.3);
}

.feature-modal-dots {
  display: flex;
  gap: 8px;
}

.feature-modal-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: rgba(255,255,255,0.2);
  cursor: pointer;
  transition: all 0.3s ease;
}

.feature-modal-dot.active {
  background: var(--blue-400);
  width: 24px;
  border-radius: 4px;
}

.feature-card[data-images],
.pillar-card[data-images],
.ai-card[data-images] {
  cursor: pointer;
}

/* ── Reveal Animations ─────────────────────────────────── */
.reveal {
  opacity: 0;
  transform: translateY(32px);
  transition:
    opacity 0.7s var(--ease-out),
    transform 0.7s var(--ease-out);
}

.reveal--delay {
  transition-delay: 0.15s;
}

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

/* ── Responsive ────────────────────────────────────────── */
@media (max-width: 1024px) {
  .hero-inner {
    grid-template-columns: 1fr;
    text-align: center;
    gap: 40px;
  }

  .hero-visual {
    margin-left: 0;
    margin-right: 0;
  }

  .hero-image-wrapper {
    border-radius: 12px;
  }

  .hero-sub {
    margin-left: auto;
    margin-right: auto;
  }

  .hero-actions {
    justify-content: center;
  }

  .hero-stats {
    justify-content: center;
  }

  .solution-layout {
    grid-template-columns: 1fr;
  }

  #solution > .container {
    max-width: var(--max-w);
  }

  .solution-carousel {
    margin-left: 0;
    margin-right: 0;
  }

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

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

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

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

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

  .footer-inner {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 768px) {
  :root {
    --nav-h: 64px;
  }

  .nav-toggle {
    display: flex;
  }

  .nav-links {
    display: none;
    position: absolute;
    top: var(--nav-h);
    left: 0;
    right: 0;
    background: var(--white);
    flex-direction: column;
    padding: 20px 24px;
    gap: 4px;
    border-bottom: 1px solid var(--gray-200);
    box-shadow: var(--shadow-lg);
  }

  .nav-links.open {
    display: flex;
  }

  .nav-links li a {
    padding: 12px 16px;
    width: 100%;
    border-radius: 10px;
  }

  .section {
    padding: 80px 0;
  }

  .features-grid,
  .ai-grid,
  .benefits-grid {
    grid-template-columns: 1fr;
  }

  .hero-stats {
    flex-direction: column;
    gap: 20px;
    align-items: center;
  }

  .logos-track {
    gap: 16px;
  }

  .footer-links {
    grid-template-columns: 1fr;
    gap: 24px;
  }

  .hero-scroll-indicator {
    display: none;
  }
}