/* ============================================
   TELIO — Multi-Page Site Stylesheet
   Teal (#0B7A8A) + Amber (#D97706)
   ============================================ */

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

:root {
  --color-primary: #0B7A8A;
  --color-primary-dark: #065A66;
  --color-primary-light: #0EA5B8;
  --color-accent: #D97706;
  --color-accent-light: #FCD34D;
  --color-accent-dark: #B45309;
  --color-bg: #FAFBFC;
  --color-bg-alt: #F0F4F8;
  --color-bg-dark: #0C1B2A;
  --color-text: #1E293B;
  --color-text-light: #64748B;
  --color-text-white: #F1F5F9;
  --color-border: #E2E8F0;
  --color-white: #FFFFFF;
  --color-success: #10B981;
  --color-error: #EF4444;
  --shadow-sm: 0 1px 2px rgba(0,0,0,0.06);
  --shadow-md: 0 4px 12px rgba(0,0,0,0.08);
  --shadow-lg: 0 12px 32px rgba(0,0,0,0.12);
  --shadow-xl: 0 20px 48px rgba(0,0,0,0.16);
  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 16px;
  --radius-xl: 24px;
  --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --font-serif: 'Playfair Display', Georgia, serif;
  --transition: 0.25s cubic-bezier(0.4, 0, 0.2, 1);
}

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

body {
  font-family: var(--font-sans);
  color: var(--color-text);
  background: var(--color-bg);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

a {
  color: var(--color-primary);
  text-decoration: none;
  transition: color var(--transition);
}
a:hover { color: var(--color-primary-dark); }

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

h1, h2, h3, h4, h5, h6 {
  line-height: 1.2;
  font-weight: 700;
  color: var(--color-text);
}

h1, h2 {
  font-family: var(--font-serif);
}

/* --- Utilities --- */
.container {
  max-width: 1180px;
  margin: 0 auto;
  padding: 0 24px;
}

.section {
  padding: 96px 0;
}

.section--alt {
  background: var(--color-bg-alt);
}

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

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

.section--dark p {
  color: rgba(241,245,249,0.75);
}

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

.badge {
  display: inline-block;
  background: rgba(11, 122, 138, 0.1);
  color: var(--color-primary);
  font-size: 0.78rem;
  font-weight: 600;
  padding: 5px 16px;
  border-radius: 20px;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  margin-bottom: 14px;
  font-family: var(--font-sans);
}

.badge--light {
  background: rgba(255,255,255,0.15);
  color: var(--color-accent-light);
}

.badge--accent {
  background: rgba(217,119,6,0.1);
  color: var(--color-accent);
}

/* --- Buttons --- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 13px 30px;
  font-size: 0.95rem;
  font-weight: 600;
  border-radius: var(--radius-sm);
  border: 2px solid transparent;
  cursor: pointer;
  transition: all var(--transition);
  text-decoration: none;
  font-family: var(--font-sans);
  line-height: 1.4;
}

.btn--primary {
  background: var(--color-primary);
  color: var(--color-white);
  border-color: var(--color-primary);
}
.btn--primary:hover {
  background: var(--color-primary-dark);
  border-color: var(--color-primary-dark);
  color: var(--color-white);
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

.btn--accent {
  background: var(--color-accent);
  color: var(--color-white);
  border-color: var(--color-accent);
}
.btn--accent:hover {
  background: var(--color-accent-dark);
  border-color: var(--color-accent-dark);
  color: var(--color-white);
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

.btn--outline {
  background: transparent;
  color: var(--color-primary);
  border-color: var(--color-primary);
}
.btn--outline:hover {
  background: var(--color-primary);
  color: var(--color-white);
  transform: translateY(-2px);
}

.btn--outline-light {
  background: transparent;
  color: #fff;
  border-color: rgba(255,255,255,0.4);
}
.btn--outline-light:hover {
  background: rgba(255,255,255,0.1);
  border-color: rgba(255,255,255,0.7);
  color: #fff;
  transform: translateY(-2px);
}

.btn--white {
  background: var(--color-white);
  color: var(--color-primary);
  border-color: var(--color-white);
}
.btn--white:hover {
  background: rgba(255,255,255,0.92);
  color: var(--color-primary-dark);
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

.btn--large {
  padding: 16px 38px;
  font-size: 1.05rem;
}

.btn--small {
  padding: 8px 20px;
  font-size: 0.85rem;
}

/* --- Navigation --- */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  background: rgba(255,255,255,0.96);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid rgba(226,232,240,0.8);
  transition: box-shadow var(--transition), background var(--transition);
}

.nav--scrolled {
  box-shadow: var(--shadow-md);
  background: rgba(255,255,255,0.98);
}

.nav__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 76px;
}

.nav__logo {
  display: flex;
  align-items: center;
  gap: 10px;
}

.nav__logo img {
  height: 36px;
  width: auto;
}

.nav__links {
  display: flex;
  align-items: center;
  gap: 8px;
  list-style: none;
}

.nav__links a {
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--color-text-light);
  position: relative;
  padding: 6px 14px;
  border-radius: var(--radius-sm);
  transition: all var(--transition);
}

.nav__links a:hover,
.nav__links a.active {
  color: var(--color-primary);
  background: rgba(11,122,138,0.06);
}

.nav__cta {
  margin-left: 8px;
}

.nav__mobile-toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: 8px;
  z-index: 1001;
}

.nav__mobile-toggle span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--color-text);
  margin: 6px 0;
  transition: all var(--transition);
  border-radius: 2px;
}

/* --- Hero --- */
.hero {
  padding: 160px 0 100px;
  position: relative;
  overflow: hidden;
}

.hero--image {
  background-size: cover;
  background-position: center;
  color: var(--color-text-white);
}

.hero--image::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(6,90,102,0.92) 0%, rgba(12,27,42,0.88) 100%);
  z-index: 1;
}

.hero--image .container {
  position: relative;
  z-index: 2;
}

.hero--image h1,
.hero--image h2,
.hero--image p {
  color: var(--color-text-white);
}

.hero--gradient {
  background: linear-gradient(135deg, #0B7A8A 0%, #065A66 40%, #0C1B2A 100%);
  color: var(--color-text-white);
}

.hero--gradient h1,
.hero--gradient h2,
.hero--gradient p {
  color: var(--color-text-white);
}

.hero--amber {
  background: linear-gradient(135deg, #D97706 0%, #B45309 40%, #78350F 100%);
  color: var(--color-text-white);
}

.hero--amber h1,
.hero--amber p {
  color: var(--color-text-white);
}

.hero--dark {
  background: linear-gradient(135deg, #0C1B2A 0%, #111827 50%, #0C1B2A 100%);
  color: var(--color-text-white);
}

.hero--dark h1, .hero--dark p {
  color: var(--color-text-white);
}

.hero__grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: center;
}

.hero__content h1 {
  font-size: 3.4rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  margin-bottom: 24px;
  line-height: 1.1;
}

.hero__content p {
  font-size: 1.18rem;
  color: rgba(241,245,249,0.85);
  margin-bottom: 36px;
  max-width: 540px;
  line-height: 1.7;
}

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

.hero--centered {
  text-align: center;
}

.hero--centered .hero__content {
  max-width: 780px;
  margin: 0 auto;
}

.hero--centered .hero__content p {
  margin-left: auto;
  margin-right: auto;
}

.hero--centered .hero__buttons {
  justify-content: center;
}

/* --- Stats Bar --- */
.stats-bar {
  background: var(--color-white);
  padding: 40px 0;
  border-bottom: 1px solid var(--color-border);
}

.stats-bar--dark {
  background: var(--color-bg-dark);
  border-bottom: none;
}

.stats {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 32px;
}

.stat {
  text-align: center;
  padding: 12px;
}

.stat__number {
  font-size: 2.6rem;
  font-weight: 800;
  color: var(--color-primary);
  line-height: 1;
  margin-bottom: 8px;
  font-family: var(--font-sans);
}

.stat__label {
  font-size: 0.9rem;
  color: var(--color-text-light);
  font-weight: 500;
}

.stats-bar--dark .stat__number {
  color: var(--color-accent-light);
}

.stats-bar--dark .stat__label {
  color: rgba(241,245,249,0.6);
}

/* --- Section Headers --- */
.section__header {
  text-align: center;
  max-width: 640px;
  margin: 0 auto 56px;
}

.section__header h2 {
  font-size: 2.4rem;
  margin-bottom: 16px;
  letter-spacing: -0.01em;
}

.section__header p {
  color: var(--color-text-light);
  font-size: 1.08rem;
  line-height: 1.7;
}

/* --- Product Cards (3-up) --- */
.product-cards-3 {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}

.product-card {
  background: var(--color-white);
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid var(--color-border);
  transition: all var(--transition);
  display: flex;
  flex-direction: column;
}

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

.product-card__header {
  padding: 36px 28px 28px;
  background: linear-gradient(135deg, var(--color-primary), var(--color-primary-dark));
  color: var(--color-white);
  position: relative;
}

.product-card__header--accent {
  background: linear-gradient(135deg, #D97706, #B45309);
}

.product-card__header--dark {
  background: linear-gradient(135deg, #1E293B, #0F172A);
}

.product-card__header h3 {
  font-size: 1.4rem;
  color: var(--color-white);
  margin-bottom: 8px;
  font-family: var(--font-serif);
}

.product-card__header p {
  font-size: 0.88rem;
  opacity: 0.88;
}

.product-card__body {
  padding: 28px;
  flex: 1;
  display: flex;
  flex-direction: column;
}

.product-card__body ul {
  list-style: none;
  margin-bottom: 28px;
  flex: 1;
}

.product-card__body li {
  padding: 7px 0;
  padding-left: 26px;
  position: relative;
  color: var(--color-text-light);
  font-size: 0.92rem;
}

.product-card__body li::before {
  content: '✓';
  position: absolute;
  left: 0;
  color: var(--color-success);
  font-weight: 700;
}

/* --- AI Brand Cards --- */
.ai-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 28px;
}

.ai-card {
  background: rgba(255,255,255,0.04);
  border: 1px solid rgba(255,255,255,0.1);
  border-radius: var(--radius-lg);
  padding: 36px 32px;
  transition: all var(--transition);
}

.ai-card:hover {
  background: rgba(255,255,255,0.08);
  border-color: rgba(14,165,184,0.3);
  transform: translateY(-4px);
  box-shadow: 0 12px 40px rgba(0,0,0,0.3);
}

.ai-card__icon {
  width: 56px;
  height: 56px;
  background: linear-gradient(135deg, var(--color-primary), var(--color-primary-light));
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 20px;
  font-size: 1.5rem;
}

.ai-card h3 {
  font-size: 1.3rem;
  color: var(--color-white);
  margin-bottom: 10px;
  font-family: var(--font-serif);
}

.ai-card p {
  color: rgba(241,245,249,0.65);
  font-size: 0.93rem;
  line-height: 1.6;
  margin-bottom: 20px;
}

.ai-card a {
  color: var(--color-primary-light);
  font-weight: 600;
  font-size: 0.9rem;
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.ai-card a:hover {
  color: var(--color-accent-light);
}

/* --- Why Telio (Icon Grid) --- */
.why-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 40px;
}

.why-item {
  text-align: center;
  padding: 20px;
}

.why-item__icon {
  width: 80px;
  height: 80px;
  margin: 0 auto 20px;
}

.why-item__icon img {
  width: 100%;
  height: 100%;
  object-fit: contain;
}

.why-item h3 {
  font-size: 1.1rem;
  margin-bottom: 10px;
  font-family: var(--font-sans);
}

.why-item p {
  color: var(--color-text-light);
  font-size: 0.92rem;
  line-height: 1.6;
}

/* --- How It Works (Steps) --- */
.steps {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 48px;
}

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

.step__icon {
  width: 80px;
  height: 80px;
  margin: 0 auto 20px;
}

.step__icon img {
  width: 100%;
  height: 100%;
  object-fit: contain;
}

.step h3 {
  margin-bottom: 10px;
  font-family: var(--font-sans);
}

.step p {
  color: var(--color-text-light);
  font-size: 0.93rem;
  line-height: 1.6;
}

/* --- Verticals --- */
.verticals {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 20px;
}

.vertical-card {
  text-align: center;
  padding: 32px 16px;
  background: var(--color-white);
  border-radius: var(--radius-lg);
  border: 1px solid var(--color-border);
  transition: all var(--transition);
}

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

.vertical-card__icon {
  font-size: 2.2rem;
  margin-bottom: 12px;
}

.vertical-card h4 {
  font-size: 0.95rem;
  font-family: var(--font-sans);
}

/* --- Testimonial --- */
.testimonial {
  background: var(--color-white);
  padding: 48px;
  border-radius: var(--radius-lg);
  border: 1px solid var(--color-border);
  max-width: 740px;
  margin: 0 auto;
  text-align: center;
  position: relative;
}

.testimonial::before {
  content: '"';
  font-family: var(--font-serif);
  font-size: 5rem;
  color: var(--color-primary);
  opacity: 0.15;
  position: absolute;
  top: 16px;
  left: 32px;
  line-height: 1;
}

.testimonial__text {
  font-size: 1.18rem;
  font-style: italic;
  color: var(--color-text);
  margin-bottom: 24px;
  line-height: 1.75;
}

.testimonial__author {
  font-weight: 600;
  color: var(--color-primary);
  font-size: 1rem;
}

.testimonial__role {
  font-size: 0.85rem;
  color: var(--color-text-light);
  margin-top: 4px;
}

/* --- CTA Banner with Image --- */
.cta-banner {
  position: relative;
  padding: 80px 0;
  text-align: center;
  color: var(--color-white);
  background-size: cover;
  background-position: center;
}

.cta-banner::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(11,122,138,0.9), rgba(6,90,102,0.92));
  z-index: 1;
}

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

.cta-banner h2 {
  font-size: 2.4rem;
  color: var(--color-white);
  margin-bottom: 16px;
}

.cta-banner p {
  font-size: 1.12rem;
  opacity: 0.9;
  margin-bottom: 36px;
  max-width: 560px;
  margin-left: auto;
  margin-right: auto;
}

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

/* --- Photo Section --- */
.photo-section {
  position: relative;
  padding: 96px 0;
  background-size: cover;
  background-position: center;
  color: var(--color-text-white);
}

.photo-section::before {
  content: '';
  position: absolute;
  inset: 0;
  z-index: 1;
}

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

.photo-section--dark::before {
  background: linear-gradient(135deg, rgba(12,27,42,0.9), rgba(17,24,39,0.88));
}

.photo-section--teal::before {
  background: linear-gradient(135deg, rgba(6,90,102,0.9), rgba(12,27,42,0.85));
}

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

.feature-card {
  background: var(--color-white);
  padding: 36px 28px;
  border-radius: var(--radius-lg);
  border: 1px solid var(--color-border);
  transition: all var(--transition);
}

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

.feature-card__icon {
  width: 52px;
  height: 52px;
  background: rgba(11, 122, 138, 0.1);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 20px;
  font-size: 1.5rem;
}

.feature-card__icon--accent {
  background: rgba(217, 119, 6, 0.1);
}

.feature-card h3 {
  font-size: 1.12rem;
  margin-bottom: 10px;
  font-family: var(--font-sans);
}

.feature-card p {
  color: var(--color-text-light);
  font-size: 0.93rem;
  line-height: 1.6;
}

/* --- Detail Sections --- */
.detail {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: center;
  padding: 64px 0;
}

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

.detail__content h2 {
  font-size: 2rem;
  margin-bottom: 16px;
}

.detail__content p {
  color: var(--color-text-light);
  margin-bottom: 24px;
  line-height: 1.7;
}

.detail__visual {
  background: var(--color-bg-alt);
  border-radius: var(--radius-xl);
  aspect-ratio: 4/3;
  display: flex;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--color-border);
  overflow: hidden;
}

/* --- Module Cards (for Core page) --- */
.module-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.module-card {
  background: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 28px 24px;
  transition: all var(--transition);
}

.module-card:hover {
  border-color: var(--color-primary-light);
  box-shadow: var(--shadow-lg);
  transform: translateY(-3px);
}

.module-card__icon {
  width: 48px;
  height: 48px;
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 16px;
  font-size: 1.4rem;
}

.module-card h3 {
  font-size: 1.05rem;
  margin-bottom: 8px;
  font-family: var(--font-sans);
}

.module-card p {
  color: var(--color-text-light);
  font-size: 0.9rem;
  line-height: 1.6;
}

/* --- Dashboard Preview (CSS illustration) --- */
.dashboard-preview {
  background: var(--color-bg-alt);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  overflow: hidden;
  box-shadow: var(--shadow-xl);
  max-width: 960px;
  margin: 0 auto;
}

.dashboard-preview__bar {
  background: var(--color-white);
  padding: 12px 20px;
  border-bottom: 1px solid var(--color-border);
  display: flex;
  align-items: center;
  gap: 8px;
}

.dashboard-preview__dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
}

.dashboard-preview__body {
  display: grid;
  grid-template-columns: 200px 1fr;
  min-height: 320px;
}

.dashboard-preview__sidebar {
  background: var(--color-white);
  border-right: 1px solid var(--color-border);
  padding: 16px;
}

.dashboard-preview__sidebar-item {
  padding: 8px 12px;
  border-radius: var(--radius-sm);
  font-size: 0.8rem;
  color: var(--color-text-light);
  margin-bottom: 4px;
}

.dashboard-preview__sidebar-item--active {
  background: rgba(11,122,138,0.08);
  color: var(--color-primary);
  font-weight: 600;
}

.dashboard-preview__main {
  padding: 20px;
}

.dashboard-preview__stat-row {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 12px;
  margin-bottom: 16px;
}

.dashboard-preview__stat {
  background: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 14px;
}

.dashboard-preview__stat-label {
  font-size: 0.7rem;
  color: var(--color-text-light);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 4px;
}

.dashboard-preview__stat-value {
  font-size: 1.3rem;
  font-weight: 700;
  color: var(--color-text);
}

/* --- Contact Form --- */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
}

.contact-info h3 {
  font-size: 1.3rem;
  margin-bottom: 16px;
}

.contact-info p {
  color: var(--color-text-light);
  margin-bottom: 24px;
  line-height: 1.7;
}

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

.contact-detail__icon {
  width: 48px;
  height: 48px;
  background: rgba(11,122,138,0.08);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  font-size: 1.2rem;
}

.contact-detail__text strong {
  display: block;
  margin-bottom: 4px;
  font-size: 0.95rem;
}

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

.form {
  background: var(--color-white);
  padding: 40px;
  border-radius: var(--radius-lg);
  border: 1px solid var(--color-border);
}

.form__group {
  margin-bottom: 20px;
}

.form__label {
  display: block;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--color-text);
  margin-bottom: 6px;
}

.form__input,
.form__textarea,
.form__select {
  width: 100%;
  padding: 12px 16px;
  font-size: 0.95rem;
  font-family: var(--font-sans);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  transition: border-color var(--transition);
  background: var(--color-bg);
  color: var(--color-text);
}

.form__input:focus,
.form__textarea:focus,
.form__select:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(11, 122, 138, 0.1);
}

.form__textarea {
  min-height: 130px;
  resize: vertical;
}

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

/* --- Timeline --- */
.timeline {
  position: relative;
  max-width: 700px;
  margin: 0 auto;
}

.timeline::before {
  content: '';
  position: absolute;
  left: 24px;
  top: 0;
  bottom: 0;
  width: 2px;
  background: var(--color-primary);
  opacity: 0.2;
}

.timeline__item {
  padding-left: 64px;
  position: relative;
  margin-bottom: 40px;
}

.timeline__item::before {
  content: '';
  position: absolute;
  left: 16px;
  top: 4px;
  width: 18px;
  height: 18px;
  border-radius: 50%;
  background: var(--color-primary);
  border: 3px solid var(--color-bg);
}

.timeline__year {
  font-weight: 700;
  color: var(--color-primary);
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 6px;
}

.timeline__title {
  font-size: 1.1rem;
  font-weight: 600;
  margin-bottom: 6px;
}

.timeline__text {
  color: var(--color-text-light);
  font-size: 0.93rem;
  line-height: 1.6;
}

/* --- Footer --- */
.footer {
  background: var(--color-bg-dark);
  color: var(--color-text-white);
  padding: 72px 0 28px;
}

.footer__grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr 1fr;
  gap: 40px;
  margin-bottom: 48px;
}

.footer__brand {
  padding-right: 20px;
}

.footer__brand img {
  height: 32px;
  margin-bottom: 16px;
  filter: brightness(0) invert(1);
}

.footer__brand p {
  color: rgba(241,245,249,0.55);
  font-size: 0.88rem;
  line-height: 1.65;
  max-width: 280px;
}

.footer h4 {
  color: var(--color-text-white);
  font-size: 0.82rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-bottom: 18px;
  font-family: var(--font-sans);
  font-weight: 600;
}

.footer__links {
  list-style: none;
}

.footer__links li {
  margin-bottom: 10px;
}

.footer__links a {
  color: rgba(241,245,249,0.55);
  font-size: 0.88rem;
  transition: color var(--transition);
}

.footer__links a:hover {
  color: var(--color-accent-light);
}

.footer__bottom {
  border-top: 1px solid rgba(255,255,255,0.08);
  padding-top: 24px;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.footer__bottom p {
  font-size: 0.8rem;
  color: rgba(241,245,249,0.4);
}

/* --- Animations --- */
@keyframes fadeUp {
  from { opacity: 0; transform: translateY(24px); }
  to { opacity: 1; transform: translateY(0); }
}

.animate-on-scroll {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.animate-on-scroll.visible {
  opacity: 1;
  transform: translateY(0);
}

/* Counter animation */
.stat__number[data-count] {
  transition: none;
}

/* --- Category Tabs --- */
.category-tabs {
  display: flex;
  justify-content: center;
  gap: 8px;
  margin-bottom: 40px;
  flex-wrap: wrap;
}

.category-tab {
  padding: 10px 24px;
  border-radius: 24px;
  font-size: 0.9rem;
  font-weight: 500;
  border: 1px solid var(--color-border);
  background: var(--color-white);
  color: var(--color-text-light);
  cursor: pointer;
  transition: all var(--transition);
  font-family: var(--font-sans);
}

.category-tab:hover,
.category-tab.active {
  background: var(--color-primary);
  color: var(--color-white);
  border-color: var(--color-primary);
}

/* --- Responsive --- */
@media (max-width: 1024px) {
  .hero__grid { grid-template-columns: 1fr; gap: 40px; }
  .hero__content h1 { font-size: 2.8rem; }
  .product-cards-3 { grid-template-columns: 1fr; max-width: 480px; margin: 0 auto; }
  .ai-grid { grid-template-columns: 1fr; }
  .why-grid { grid-template-columns: repeat(2, 1fr); }
  .verticals { grid-template-columns: repeat(3, 1fr); }
  .features-grid { grid-template-columns: 1fr 1fr; }
  .module-grid { grid-template-columns: 1fr 1fr; }
  .footer__grid { grid-template-columns: 1fr 1fr; gap: 32px; }
  .dashboard-preview__body { grid-template-columns: 1fr; }
  .dashboard-preview__sidebar { display: none; }
}

@media (max-width: 768px) {
  .nav__links { display: none; }
  .nav__mobile-toggle { display: block; }

  .nav__links--open {
    display: flex;
    flex-direction: column;
    position: absolute;
    top: 76px;
    left: 0;
    right: 0;
    background: var(--color-white);
    padding: 24px;
    border-bottom: 1px solid var(--color-border);
    box-shadow: var(--shadow-lg);
    gap: 8px;
    z-index: 999;
  }

  .nav__links--open a {
    padding: 12px 16px;
    font-size: 1rem;
    display: block;
  }

  .hero { padding: 120px 0 64px; }
  .hero__content h1 { font-size: 2.2rem; }
  .section { padding: 64px 0; }
  .section__header h2 { font-size: 1.8rem; }
  .stats { grid-template-columns: repeat(2, 1fr); gap: 16px; }
  .steps { grid-template-columns: 1fr; gap: 32px; }
  .detail { grid-template-columns: 1fr; gap: 32px; }
  .detail--reverse { direction: ltr; }
  .contact-grid { grid-template-columns: 1fr; }
  .form__row { grid-template-columns: 1fr; }
  .hero__buttons { flex-direction: column; align-items: stretch; }
  .hero__buttons .btn { justify-content: center; }
  .cta-banner h2 { font-size: 1.8rem; }
  .features-grid { grid-template-columns: 1fr; }
  .why-grid { grid-template-columns: 1fr; }
  .verticals { grid-template-columns: 1fr 1fr; }
  .module-grid { grid-template-columns: 1fr; }
  .ai-grid { grid-template-columns: 1fr; }
  .footer__grid { grid-template-columns: 1fr; gap: 28px; }
  .footer__bottom { flex-direction: column; gap: 8px; text-align: center; }
  .dashboard-preview__stat-row { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 480px) {
  .stats { grid-template-columns: 1fr; }
  .verticals { grid-template-columns: 1fr; }
  .hero__content h1 { font-size: 1.9rem; }
}