/* ==========================================================================
   Entegrasyon Bilişim — Ana Stil Dosyası
   Premium kurumsal teknoloji şirketi tasarım dili
   ========================================================================== */

/* --- Google Fonts (Inter) --- */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;600;800&display=swap');

/* --- CSS Custom Properties --- */
:root {
  --color-primary: #1C2624;
  --color-secondary: #2C3A37;
  --color-accent: #2A9D8F;
  --color-accent-hover: #3BBFA8;
  --color-accent-dark: #1F7A6F;
  --color-bg: #F7FAF9;
  --color-card: #FFFFFF;
  --color-border: #DDE8E5;
  --color-text: #1C2624;
  --color-text-muted: #5C6B67;
  --color-white: #FFFFFF;

  --font-heading: 'Inter', system-ui, -apple-system, sans-serif;
  --font-body: 'Inter', system-ui, -apple-system, sans-serif;
  --font-button: 'Inter', system-ui, -apple-system, sans-serif;

  --radius-sm: 12px;
  --radius-md: 16px;
  --radius-lg: 24px;

  --shadow-sm: 0 1px 3px rgba(28, 38, 36, 0.06), 0 1px 2px rgba(28, 38, 36, 0.04);
  --shadow-md: 0 4px 16px rgba(28, 38, 36, 0.08), 0 2px 6px rgba(28, 38, 36, 0.04);
  --shadow-lg: 0 20px 48px rgba(28, 38, 36, 0.12), 0 8px 16px rgba(28, 38, 36, 0.06);

  --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --header-height: 100px;
  --container-max: 1280px;
  --section-padding: clamp(4rem, 8vw, 7rem);
}

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

html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: var(--font-body);
  font-weight: 400;
  font-size: 1rem;
  line-height: 1.7;
  color: var(--color-text);
  background-color: var(--color-bg);
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

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

a {
  color: var(--color-accent);
  text-decoration: none;
  transition: color var(--transition);
}

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

ul,
ol {
  list-style: none;
}

button {
  font-family: inherit;
  cursor: pointer;
  border: none;
  background: none;
}

/* --- Typography --- */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  font-weight: 800;
  line-height: 1.2;
  color: var(--color-primary);
}

h1 { font-size: clamp(2.25rem, 5vw, 3.75rem); }
h2 { font-size: clamp(1.75rem, 3.5vw, 2.5rem); }
h3 { font-size: clamp(1.25rem, 2.5vw, 1.5rem); }

p { color: var(--color-text-muted); }

/* --- Utility --- */
.container {
  width: 100%;
  max-width: var(--container-max);
  margin-inline: auto;
  padding-inline: clamp(1.25rem, 4vw, 2rem);
}

.section {
  padding-block: var(--section-padding);
}

.section-header {
  text-align: center;
  max-width: 720px;
  margin-inline: auto;
  margin-bottom: clamp(2.5rem, 5vw, 4rem);
}

.section-label {
  display: inline-block;
  font-size: 0.8125rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--color-accent);
  margin-bottom: 0.75rem;
}

.section-title {
  margin-bottom: 1rem;
}

.section-desc {
  font-size: 1.125rem;
}

/* --- Skip Link (Accessibility) --- */
.skip-link {
  position: absolute;
  top: -100%;
  left: 1rem;
  z-index: 10000;
  padding: 0.75rem 1.25rem;
  background: var(--color-accent);
  color: var(--color-white);
  border-radius: var(--radius-sm);
  font-weight: 600;
}

.skip-link:focus {
  top: 1rem;
}

/* --- Buttons --- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  font-family: var(--font-button);
  font-weight: 600;
  font-size: 0.9375rem;
  padding: 0.875rem 1.75rem;
  border-radius: var(--radius-md);
  transition: transform var(--transition), background var(--transition), box-shadow var(--transition), color var(--transition), border-color var(--transition);
  white-space: nowrap;
}

.btn:active {
  transform: scale(0.97);
}

.btn--primary {
  background: var(--color-accent);
  color: var(--color-white);
  box-shadow: 0 4px 14px rgba(42, 157, 143, 0.35);
}

.btn--primary:hover {
  background: var(--color-accent-hover);
  color: var(--color-white);
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(42, 157, 143, 0.4);
}

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

.btn--outline:hover {
  border-color: var(--color-accent);
  color: var(--color-accent);
  transform: translateY(-2px);
}

.btn--white {
  background: var(--color-white);
  color: var(--color-accent);
}

.btn--white:hover {
  background: var(--color-bg);
  color: var(--color-accent-hover);
  transform: translateY(-2px);
}

.btn--ghost {
  background: rgba(255, 255, 255, 0.15);
  color: var(--color-white);
  border: 1.5px solid rgba(255, 255, 255, 0.3);
  backdrop-filter: blur(8px);
}

.btn--ghost:hover {
  background: rgba(255, 255, 255, 0.25);
  color: var(--color-white);
}

.btn--sm {
  padding: 0.625rem 1.25rem;
  font-size: 0.875rem;
}

.btn--icon {
  padding: 0.625rem;
  border-radius: var(--radius-sm);
}

/* --- Scroll Reveal --- */
.reveal {
  opacity: 0;
  transform: translateY(32px);
  transition: opacity 0.7s cubic-bezier(0.4, 0, 0.2, 1), transform 0.7s cubic-bezier(0.4, 0, 0.2, 1);
}

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

.reveal-delay-1 { transition-delay: 0.1s; }
.reveal-delay-2 { transition-delay: 0.2s; }
.reveal-delay-3 { transition-delay: 0.3s; }
.reveal-delay-4 { transition-delay: 0.4s; }

/* ==========================================================================
   HEADER
   ========================================================================== */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  height: var(--header-height);
  background: rgba(255, 255, 255, 0.98);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  box-shadow: 0 1px 0 var(--color-border);
  border-bottom: 1px solid var(--color-border);
  transition: background var(--transition), box-shadow var(--transition);
}

.site-header.is-scrolled {
  background: rgba(255, 255, 255, 0.98);
  box-shadow: var(--shadow-sm);
}

.site-header.is-scrolled .nav__link {
  color: var(--color-primary);
}

.site-header.is-scrolled .header__phone {
  color: var(--color-primary);
}

.header__inner {
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  height: var(--header-height);
  gap: 2rem;
}

.header__logo {
  display: flex;
  align-items: center;
  flex-shrink: 0;
}

.header__logo img,
.header__logo-img {
  height: 76px;
  width: auto;
  max-width: min(420px, 42vw);
  object-fit: contain;
  display: block;
}

/* Navigation */
.nav {
  justify-self: center;
}

.nav__list {
  display: flex;
  align-items: center;
  gap: 0.125rem;
  flex-wrap: nowrap;
}

.nav__link {
  display: block;
  padding: 0.5rem 0.875rem;
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--color-primary);
  border-radius: var(--radius-sm);
  transition: background var(--transition), color var(--transition);
  white-space: nowrap;
}

.nav__link:hover,
.nav__link.is-active {
  color: var(--color-accent-dark);
  background: rgba(42, 157, 143, 0.1);
}

/* Dropdown */
.nav__item {
  position: relative;
}

.nav__item--has-dropdown:hover .nav__dropdown,
.nav__item--has-dropdown:focus-within .nav__dropdown {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.nav__dropdown {
  position: absolute;
  top: 100%;
  left: 50%;
  transform: translateX(-50%) translateY(8px);
  min-width: 280px;
  max-width: 360px;
  padding: 0.75rem;
  background: var(--color-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-lg);
  opacity: 0;
  visibility: hidden;
  transition: opacity var(--transition), transform var(--transition), visibility var(--transition);
  z-index: 100;
}

.nav__dropdown a {
  display: block;
  padding: 0.625rem 1rem;
  font-size: 0.875rem;
  color: var(--color-text-muted);
  border-radius: var(--radius-sm);
  transition: background var(--transition), color var(--transition);
}

.nav__dropdown a:hover {
  background: var(--color-bg);
  color: var(--color-accent);
}

/* Header Actions */
.header__actions {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.header__phone {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--color-primary);
  white-space: nowrap;
}

.header__phone svg {
  width: 18px;
  height: 18px;
  flex-shrink: 0;
}

/* Mobile Menu Toggle */
.menu-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 44px;
  height: 44px;
  padding: 10px;
  border-radius: var(--radius-sm);
  transition: background var(--transition);
}

.menu-toggle:hover {
  background: rgba(42, 157, 143, 0.08);
}

.menu-toggle__bar {
  display: block;
  width: 100%;
  height: 2px;
  background: var(--color-primary);
  border-radius: 2px;
  transition: transform var(--transition), opacity var(--transition);
}

.menu-toggle.is-active .menu-toggle__bar:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}

.menu-toggle.is-active .menu-toggle__bar:nth-child(2) {
  opacity: 0;
}

.menu-toggle.is-active .menu-toggle__bar:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

/* Mobile Nav */
.mobile-nav {
  display: none;
  position: fixed;
  top: var(--header-height);
  left: 0;
  right: 0;
  bottom: 0;
  background: var(--color-card);
  padding: 1.5rem;
  overflow-y: auto;
  z-index: 999;
  transform: translateX(100%);
  transition: transform var(--transition);
}

.mobile-nav.is-open {
  transform: translateX(0);
}

.mobile-nav__link {
  display: block;
  padding: 1rem 0;
  font-size: 1.0625rem;
  font-weight: 500;
  color: var(--color-primary);
  border-bottom: 1px solid var(--color-border);
}

.mobile-nav__sub {
  padding-left: 1rem;
}

.mobile-nav__sub a {
  display: block;
  padding: 0.75rem 0;
  font-size: 0.9375rem;
  color: var(--color-text-muted);
  border-bottom: 1px solid var(--color-border);
}

.mobile-nav__actions {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  margin-top: 1.5rem;
}

/* ==========================================================================
   HERO
   ========================================================================== */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding-top: var(--header-height);
  overflow: hidden;
}

.hero__bg {
  position: absolute;
  inset: 0;
  z-index: 0;
  background: linear-gradient(135deg, #F8FAFC 0%, #EEF2FF 40%, #F0F9FF 70%, #F8FAFC 100%);
}

.hero__bg::before {
  content: '';
  position: absolute;
  width: 600px;
  height: 600px;
  top: -200px;
  right: -100px;
  background: radial-gradient(circle, rgba(42, 157, 143, 0.15) 0%, transparent 70%);
  border-radius: 50%;
  animation: heroFloat 8s ease-in-out infinite;
}

.hero__bg::after {
  content: '';
  position: absolute;
  width: 400px;
  height: 400px;
  bottom: -100px;
  left: -100px;
  background: radial-gradient(circle, rgba(59, 130, 246, 0.1) 0%, transparent 70%);
  border-radius: 50%;
  animation: heroFloat 10s ease-in-out infinite reverse;
}

@keyframes heroFloat {
  0%, 100% { transform: translate(0, 0); }
  50% { transform: translate(30px, -20px); }
}

.hero__grid {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(2rem, 5vw, 4rem);
  align-items: center;
  padding-block: clamp(3rem, 6vw, 5rem);
}

.hero__badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.5rem 1rem;
  background: rgba(42, 157, 143, 0.1);
  border: 1px solid rgba(42, 157, 143, 0.2);
  border-radius: 100px;
  font-size: 0.8125rem;
  font-weight: 600;
  color: var(--color-accent);
  margin-bottom: 1.5rem;
}

.hero__title {
  margin-bottom: 1.5rem;
}

.hero__title span {
  background: linear-gradient(135deg, var(--color-accent) 0%, #60A5FA 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero__desc {
  font-size: 1.1875rem;
  max-width: 540px;
  margin-bottom: 2rem;
}

.hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
}

/* Dashboard Mockup */
.hero__visual {
  position: relative;
}

.dashboard-mockup {
  background: var(--color-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  overflow: hidden;
  transform: perspective(1200px) rotateY(-5deg) rotateX(2deg);
  transition: transform var(--transition);
}

.dashboard-mockup:hover {
  transform: perspective(1200px) rotateY(0deg) rotateX(0deg);
}

.dashboard-mockup__bar {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.875rem 1.25rem;
  background: var(--color-bg);
  border-bottom: 1px solid var(--color-border);
}

.dashboard-mockup__dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--color-border);
}

.dashboard-mockup__dot:nth-child(1) { background: #EF4444; }
.dashboard-mockup__dot:nth-child(2) { background: #F59E0B; }
.dashboard-mockup__dot:nth-child(3) { background: #22C55E; }

.dashboard-mockup__body {
  padding: 1.5rem;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1rem;
}

.dashboard-mockup__stat {
  padding: 1rem;
  background: var(--color-bg);
  border-radius: var(--radius-sm);
  border: 1px solid var(--color-border);
}

.dashboard-mockup__stat-value {
  font-size: 1.5rem;
  font-weight: 800;
  color: var(--color-accent);
}

.dashboard-mockup__stat-label {
  font-size: 0.75rem;
  color: var(--color-text-muted);
  margin-top: 0.25rem;
}

.dashboard-mockup__chart {
  grid-column: 1 / -1;
  height: 120px;
  background: linear-gradient(180deg, rgba(42, 157, 143, 0.1) 0%, transparent 100%);
  border-radius: var(--radius-sm);
  border: 1px solid var(--color-border);
  position: relative;
  overflow: hidden;
}

.dashboard-mockup__chart::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 60%;
  background: linear-gradient(90deg,
    transparent 0%, rgba(42, 157, 143, 0.3) 20%,
    rgba(42, 157, 143, 0.5) 40%, rgba(42, 157, 143, 0.3) 60%,
    rgba(42, 157, 143, 0.6) 80%, transparent 100%);
  clip-path: polygon(0 100%, 5% 70%, 15% 80%, 25% 50%, 35% 60%, 45% 30%, 55% 45%, 65% 20%, 75% 35%, 85% 15%, 95% 25%, 100% 10%, 100% 100%);
}

/* ==========================================================================
   CARDS — Hizmetler
   ========================================================================== */
.services-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.5rem;
}

.service-card {
  background: var(--color-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 2rem;
  transition: transform var(--transition), box-shadow var(--transition), border-color var(--transition);
}

.service-card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-lg);
  border-color: rgba(42, 157, 143, 0.2);
}

.service-card__icon {
  width: 56px;
  height: 56px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(42, 157, 143, 0.1);
  border-radius: var(--radius-sm);
  margin-bottom: 1.25rem;
  color: var(--color-accent);
}

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

.service-card__title {
  font-size: 1.125rem;
  margin-bottom: 0.75rem;
}

.service-card__desc {
  font-size: 0.9375rem;
  margin-bottom: 1.25rem;
}

.service-card__link {
  display: inline-flex;
  align-items: center;
  gap: 0.375rem;
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--color-accent);
}

.service-card__link svg {
  width: 16px;
  height: 16px;
  transition: transform var(--transition);
}

.service-card:hover .service-card__link svg {
  transform: translateX(4px);
}

/* ==========================================================================
   STATS — Neden Biz
   ========================================================================== */
.stats {
  background: var(--color-primary);
  position: relative;
  overflow: hidden;
}

.stats::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(42, 157, 143, 0.2) 0%, transparent 60%);
}

.stats .section-label,
.stats .section-title,
.stats .section-desc {
  color: var(--color-white);
  position: relative;
}

.stats .section-desc {
  opacity: 0.8;
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 2rem;
  position: relative;
}

.stat-item {
  text-align: center;
  padding: 2rem;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: var(--radius-md);
  backdrop-filter: blur(8px);
}

.stat-item__number {
  font-size: clamp(2.5rem, 5vw, 3.5rem);
  font-weight: 800;
  color: var(--color-white);
  line-height: 1;
  margin-bottom: 0.5rem;
}

.stat-item__number::after {
  content: '+';
  font-size: 0.6em;
  color: var(--color-accent-hover);
}

.stat-item__label {
  font-size: 1rem;
  color: rgba(255, 255, 255, 0.75);
  font-weight: 500;
}

/* ==========================================================================
   PRODUCTS SLIDER
   ========================================================================== */
.products-slider {
  position: relative;
  overflow: hidden;
}

.products-slider__track {
  display: flex;
  gap: 1.5rem;
  transition: transform 0.5s cubic-bezier(0.4, 0, 0.2, 1);
}

.product-card {
  flex: 0 0 calc(33.333% - 1rem);
  background: var(--color-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  overflow: hidden;
  transition: transform var(--transition), box-shadow var(--transition);
}

.product-card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-lg);
}

.product-card__image {
  aspect-ratio: 16 / 10;
  overflow: hidden;
  background: var(--color-bg);
}

.product-card__image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s ease;
}

.product-card:hover .product-card__image img {
  transform: scale(1.05);
}

.product-card__body {
  padding: 1.5rem;
}

.product-card__title {
  font-size: 1.125rem;
  margin-bottom: 0.75rem;
}

.product-card__desc {
  font-size: 0.9375rem;
  margin-bottom: 1.25rem;
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.slider-controls {
  display: flex;
  justify-content: center;
  gap: 0.75rem;
  margin-top: 2rem;
}

.slider-btn {
  width: 48px;
  height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--color-card);
  border: 1px solid var(--color-border);
  border-radius: 50%;
  color: var(--color-primary);
  transition: background var(--transition), border-color var(--transition), transform var(--transition);
}

.slider-btn:hover {
  background: var(--color-accent);
  border-color: var(--color-accent);
  color: var(--color-white);
  transform: scale(1.05);
}

.slider-btn svg {
  width: 20px;
  height: 20px;
}

/* ==========================================================================
   LOGO SLIDER — Referanslar
   ========================================================================== */
.logo-slider {
  overflow: hidden;
  mask-image: linear-gradient(90deg, transparent, #000 10%, #000 90%, transparent);
  -webkit-mask-image: linear-gradient(90deg, transparent, #000 10%, #000 90%, transparent);
}

.logo-slider__track {
  display: flex;
  gap: 3rem;
  animation: logoScroll 30s linear infinite;
  width: max-content;
}

.logo-slider__track:hover {
  animation-play-state: paused;
}

@keyframes logoScroll {
  0% { transform: translateX(0); }
  100% { transform: translateX(-50%); }
}

.logo-item {
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1rem 2rem;
  font-size: 1rem;
  font-weight: 600;
  color: #94A3B8;
  white-space: nowrap;
  transition: color var(--transition);
  cursor: default;
}

.logo-item:hover {
  color: var(--color-accent);
}

/* ==========================================================================
   TIMELINE — Proje Süreci
   ========================================================================== */
.timeline {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0;
  position: relative;
}

.timeline::before {
  content: '';
  position: absolute;
  top: 32px;
  left: 12.5%;
  right: 12.5%;
  height: 2px;
  background: var(--color-border);
  z-index: 0;
}

.timeline__item {
  text-align: center;
  position: relative;
  z-index: 1;
  padding: 0 1rem;
}

.timeline__number {
  width: 64px;
  height: 64px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-inline: auto;
  margin-bottom: 1.25rem;
  background: var(--color-card);
  border: 2px solid var(--color-accent);
  border-radius: 50%;
  font-size: 1.125rem;
  font-weight: 800;
  color: var(--color-accent);
  transition: background var(--transition), color var(--transition), transform var(--transition);
}

.timeline__item:hover .timeline__number {
  background: var(--color-accent);
  color: var(--color-white);
  transform: scale(1.1);
}

.timeline__title {
  font-size: 1.125rem;
  margin-bottom: 0.5rem;
}

.timeline__desc {
  font-size: 0.875rem;
}

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

.testimonial-card {
  background: rgba(255, 255, 255, 0.7);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border: 1px solid rgba(255, 255, 255, 0.5);
  border-radius: var(--radius-md);
  padding: 2rem;
  box-shadow: var(--shadow-md);
  transition: transform var(--transition);
}

.testimonial-card:hover {
  transform: translateY(-8px);
}

.testimonial-card__stars {
  display: flex;
  gap: 0.25rem;
  margin-bottom: 1rem;
  color: #F59E0B;
}

.testimonial-card__stars svg {
  width: 18px;
  height: 18px;
}

.testimonial-card__quote {
  font-size: 0.9375rem;
  color: var(--color-text-muted);
  font-style: italic;
  margin-bottom: 1.5rem;
  line-height: 1.7;
}

.testimonial-card__author {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.testimonial-card__avatar {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--color-accent), #60A5FA);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-white);
  font-weight: 700;
  font-size: 1rem;
  flex-shrink: 0;
}

.testimonial-card__name {
  font-weight: 600;
  font-size: 0.9375rem;
  color: var(--color-primary);
}

.testimonial-card__company {
  font-size: 0.8125rem;
  color: var(--color-text-muted);
}

/* ==========================================================================
   FAQ ACCORDION
   ========================================================================== */
.faq-list {
  max-width: 800px;
  margin-inline: auto;
}

.faq-item {
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  margin-bottom: 0.75rem;
  background: var(--color-card);
  overflow: hidden;
  transition: box-shadow var(--transition);
}

.faq-item.is-open {
  box-shadow: var(--shadow-md);
}

.faq-item__question {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 1.25rem 1.5rem;
  font-size: 1rem;
  font-weight: 600;
  color: var(--color-primary);
  text-align: left;
  transition: color var(--transition);
}

.faq-item__question:hover {
  color: var(--color-accent);
}

.faq-item__icon {
  width: 24px;
  height: 24px;
  flex-shrink: 0;
  transition: transform var(--transition);
  color: var(--color-accent);
}

.faq-item.is-open .faq-item__icon {
  transform: rotate(180deg);
}

.faq-item__answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

.faq-item__answer-inner {
  padding: 0 1.5rem 1.25rem;
  font-size: 0.9375rem;
  color: var(--color-text-muted);
}

/* ==========================================================================
   CTA SECTION
   ========================================================================== */
.cta-section {
  padding-block: clamp(3rem, 6vw, 5rem);
}

.cta-box {
  background: linear-gradient(135deg, var(--color-accent-dark) 0%, var(--color-accent) 50%, var(--color-primary) 100%);
  border-radius: var(--radius-lg);
  padding: clamp(3rem, 6vw, 5rem);
  text-align: center;
  position: relative;
  overflow: hidden;
}

.cta-box::before {
  content: '';
  position: absolute;
  width: 400px;
  height: 400px;
  top: -200px;
  right: -100px;
  background: radial-gradient(circle, rgba(255, 255, 255, 0.1) 0%, transparent 70%);
  border-radius: 50%;
}

.cta-box__title {
  color: var(--color-white);
  margin-bottom: 1rem;
  position: relative;
}

.cta-box__desc {
  color: rgba(255, 255, 255, 0.85);
  font-size: 1.125rem;
  max-width: 560px;
  margin-inline: auto;
  margin-bottom: 2rem;
  position: relative;
}

/* ==========================================================================
   FOOTER
   ========================================================================== */
.site-footer {
  background: var(--color-primary);
  color: rgba(255, 255, 255, 0.75);
  padding-top: clamp(3rem, 6vw, 5rem);
}

.footer__logo-link {
  display: inline-block;
  margin-bottom: 1.5rem;
  background: var(--color-white);
  padding: 0.5rem 0.875rem;
  border-radius: var(--radius-sm);
}

.footer__logo {
  height: 64px;
  width: auto;
  max-width: 320px;
  object-fit: contain;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr 1fr 1.3fr;
  gap: 2rem;
  padding-bottom: 3rem;
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-col__desc {
  font-size: 0.9rem;
  color: rgba(255, 255, 255, 0.65);
  line-height: 1.6;
  max-width: 260px;
}

.footer-col--contact p {
  line-height: 1.65;
}

.footer-col__title {
  font-size: 0.9375rem;
  font-weight: 700;
  color: var(--color-white);
  margin-bottom: 1.25rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.footer-col__list li {
  margin-bottom: 0.625rem;
}

.footer-col__list a {
  font-size: 0.9375rem;
  color: rgba(255, 255, 255, 0.65);
  transition: color var(--transition);
}

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

.footer-col p {
  font-size: 0.9375rem;
  color: rgba(255, 255, 255, 0.65);
  margin-bottom: 0.5rem;
}

.footer-bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 1rem;
  padding-block: 1.5rem;
  font-size: 0.875rem;
}

.footer-bottom__links {
  display: flex;
  gap: 1.5rem;
}

.footer-bottom__links a {
  color: rgba(255, 255, 255, 0.55);
}

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

.footer-social {
  display: flex;
  gap: 0.75rem;
}

.footer-social a {
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(255, 255, 255, 0.08);
  border-radius: var(--radius-sm);
  color: rgba(255, 255, 255, 0.7);
  transition: background var(--transition), color var(--transition);
}

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

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

/* ==========================================================================
   PAGE HERO (Alt Sayfalar)
   ========================================================================== */
.page-hero {
  padding-top: calc(var(--header-height) + 3rem);
  padding-bottom: 3rem;
  background: linear-gradient(135deg, #F8FAFC 0%, #EEF2FF 100%);
  border-bottom: 1px solid var(--color-border);
}

.page-hero__title {
  margin-bottom: 1rem;
}

.breadcrumb {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 0.5rem;
  font-size: 0.875rem;
  margin-bottom: 1.5rem;
}

.breadcrumb a {
  color: var(--color-text-muted);
}

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

.breadcrumb__sep {
  color: var(--color-border);
}

.breadcrumb__current {
  color: var(--color-accent);
  font-weight: 500;
}

/* --- Content Pages --- */
.content-block {
  background: var(--color-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: clamp(2rem, 4vw, 3rem);
  margin-bottom: 1.5rem;
}

.content-block h2 {
  margin-top: 2rem;
  margin-bottom: 1rem;
}

.content-block h2:first-child {
  margin-top: 0;
}

.content-block h3,
.content-block h4 {
  margin-top: 1.5rem;
  margin-bottom: 0.75rem;
}

.content-block p {
  margin-bottom: 1rem;
}

.content-block ul {
  list-style: disc;
  padding-left: 1.5rem;
  margin-bottom: 1rem;
}

.content-block ul li {
  margin-bottom: 0.5rem;
  color: var(--color-text-muted);
}

.content-block hr {
  border: none;
  border-top: 1px solid var(--color-border);
  margin: 2rem 0;
}

/* Contact Page */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2rem;
}

.contact-info-card {
  background: var(--color-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 2rem;
}

.contact-info-card__item {
  display: flex;
  gap: 1rem;
  margin-bottom: 1.5rem;
}

.contact-info-card__icon {
  width: 48px;
  height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(42, 157, 143, 0.1);
  border-radius: var(--radius-sm);
  color: var(--color-accent);
  flex-shrink: 0;
}

.contact-info-card__icon svg {
  width: 22px;
  height: 22px;
}

.contact-info-card__label {
  font-size: 0.8125rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--color-accent);
  margin-bottom: 0.25rem;
}

.contact-info-card__value {
  font-size: 0.9375rem;
  color: var(--color-text-muted);
}

.contact-info-card__value a {
  color: var(--color-text-muted);
}

.contact-info-card__value a:hover {
  color: var(--color-accent);
}

/* Video Embed */
.video-embed {
  position: relative;
  aspect-ratio: 16 / 9;
  border-radius: var(--radius-md);
  overflow: hidden;
  box-shadow: var(--shadow-md);
  margin-top: 2rem;
}

.video-embed iframe {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  border: 0;
}

/* Back to Top */
.back-to-top {
  position: fixed;
  bottom: 2rem;
  right: 2rem;
  width: 48px;
  height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--color-accent);
  color: var(--color-white);
  border-radius: 50%;
  box-shadow: var(--shadow-md);
  opacity: 0;
  visibility: hidden;
  transform: translateY(16px);
  transition: opacity var(--transition), visibility var(--transition), transform var(--transition), background var(--transition);
  z-index: 900;
}

.back-to-top.is-visible {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.back-to-top:hover {
  background: var(--color-accent-hover);
  transform: translateY(-4px);
}

.back-to-top svg {
  width: 20px;
  height: 20px;
}

/* Focus styles (WCAG) */
:focus-visible {
  outline: 2px solid var(--color-accent);
  outline-offset: 2px;
}