/* =============================================
   ESBA Bilişim Teknolojileri - Ana Stil Dosyası
   Renk Paleti: Lacivert + Turkuaz + Beyaz
   ============================================= */

/* --- CSS Değişkenleri --- */
:root {
  --navy-900: #0a1628;
  --navy-800: #0d2137;
  --navy-700: #132d4a;
  --navy-600: #1a3a5c;
  --cyan-500: #00b4d8;
  --cyan-400: #48cae4;
  --cyan-300: #90e0ef;
  --cyan-200: #caf0f8;
  --white: #ffffff;
  --gray-50: #f8fafc;
  --gray-100: #f1f5f9;
  --gray-200: #e2e8f0;
  --gray-400: #94a3b8;
  --gray-600: #475569;
  --gray-800: #1e293b;
  --whatsapp: #25d366;
  --shadow-sm: 0 1px 3px rgba(10, 22, 40, 0.08);
  --shadow-md: 0 4px 20px rgba(10, 22, 40, 0.12);
  --shadow-lg: 0 10px 40px rgba(10, 22, 40, 0.18);
  --shadow-glow: 0 0 40px rgba(0, 180, 216, 0.25);
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 20px;
  --radius-xl: 28px;
  --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --navbar-height: 80px;
  --font: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
}

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

html {
  scroll-behavior: smooth;
  scroll-padding-top: var(--navbar-height);
  -webkit-text-size-adjust: 100%;
  text-size-adjust: 100%;
}

body {
  font-family: var(--font);
  font-size: 16px;
  line-height: 1.7;
  color: var(--gray-800);
  background-color: var(--white);
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  -webkit-tap-highlight-color: transparent;
  padding-left: env(safe-area-inset-left, 0);
  padding-right: env(safe-area-inset-right, 0);
}

body.menu-open,
body.modal-open {
  overflow: hidden;
  touch-action: none;
}

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

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

ul {
  list-style: none;
}

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

.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 clamp(16px, 4vw, 24px);
}

/* --- Yardımcı Sınıflar --- */
.text-gradient {
  background: linear-gradient(135deg, var(--cyan-400), var(--cyan-500));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.reveal {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}

.reveal.visible {
  opacity: 1;
  transform: none;
}

/* --- Butonlar --- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 14px 32px;
  min-height: 48px;
  font-size: 15px;
  font-weight: 600;
  border-radius: var(--radius-md);
  transition: all var(--transition);
  white-space: nowrap;
  touch-action: manipulation;
  -webkit-user-select: none;
  user-select: none;
}

.btn--primary {
  background: linear-gradient(135deg, var(--cyan-500), var(--cyan-400));
  color: var(--white);
  box-shadow: 0 4px 20px rgba(0, 180, 216, 0.35);
}

.btn--primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 30px rgba(0, 180, 216, 0.45);
}

.btn--outline {
  background: transparent;
  color: var(--white);
  border: 2px solid rgba(255, 255, 255, 0.35);
  backdrop-filter: blur(4px);
}

.btn--outline:hover {
  background: rgba(255, 255, 255, 0.1);
  border-color: var(--cyan-400);
  transform: translateY(-2px);
}

/* --- Bölüm Başlıkları --- */
.section {
  padding: 100px 0;
}

.section-header {
  text-align: center;
  margin-bottom: 60px;
}

.section-tag {
  display: inline-block;
  padding: 6px 16px;
  background: rgba(0, 180, 216, 0.1);
  color: var(--cyan-500);
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  border-radius: 50px;
  margin-bottom: 16px;
}

.section-tag--light {
  background: rgba(255, 255, 255, 0.12);
  color: var(--cyan-300);
}

.section-title {
  font-size: clamp(28px, 4vw, 42px);
  font-weight: 800;
  color: var(--navy-900);
  line-height: 1.2;
  margin-bottom: 16px;
}

.section-title--light {
  color: var(--white);
}

.section-desc {
  font-size: 17px;
  color: var(--gray-600);
  max-width: 600px;
  margin: 0 auto;
}

/* =============================================
   NAVBAR
   ============================================= */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: var(--navbar-height);
  z-index: 1000;
  transition: background var(--transition), box-shadow var(--transition);
  padding-top: env(safe-area-inset-top, 0);
}

.navbar.scrolled {
  background: rgba(10, 22, 40, 0.95);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  box-shadow: var(--shadow-md);
}

.navbar.menu-active {
  background: var(--navy-900);
  backdrop-filter: none;
  -webkit-backdrop-filter: none;
  box-shadow: none;
}

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

.navbar__logo {
  display: flex;
  align-items: center;
  gap: 12px;
  z-index: 1001;
}

.navbar__logo img {
  width: 48px;
  height: 48px;
  object-fit: contain;
  border-radius: var(--radius-sm);
}

.navbar__brand {
  display: flex;
  flex-direction: column;
  line-height: 1.2;
  min-width: 0;
}

.navbar__brand strong {
  font-size: 18px;
  font-weight: 800;
  color: var(--white);
  letter-spacing: 0.02em;
}

.navbar__brand small {
  font-size: 11px;
  font-weight: 400;
  color: var(--cyan-300);
  letter-spacing: 0.04em;
}

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

.nav-link {
  padding: 8px 18px;
  font-size: 14px;
  font-weight: 500;
  color: rgba(255, 255, 255, 0.85);
  border-radius: var(--radius-sm);
  transition: all var(--transition);
  position: relative;
}

.nav-link:hover,
.nav-link.active {
  color: var(--white);
  background: rgba(255, 255, 255, 0.08);
}

.nav-link--cta {
  background: linear-gradient(135deg, var(--cyan-500), var(--cyan-400));
  color: var(--white) !important;
  margin-left: 8px;
}

.nav-link--cta:hover {
  transform: translateY(-1px);
  box-shadow: 0 4px 15px rgba(0, 180, 216, 0.4);
}

/* Mobil menü arka plan overlay */
.navbar__overlay {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(10, 22, 40, 0.6);
  backdrop-filter: blur(2px);
  -webkit-backdrop-filter: blur(2px);
  z-index: 999;
  opacity: 0;
  visibility: hidden;
  transition: opacity var(--transition), visibility var(--transition);
}

.navbar__overlay.active {
  opacity: 1;
  visibility: visible;
}

/* Hamburger Menü */
.navbar__toggle {
  display: none;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 5px;
  width: 44px;
  height: 44px;
  padding: 8px;
  z-index: 1001;
  touch-action: manipulation;
}

.navbar__toggle span {
  display: block;
  width: 26px;
  height: 2px;
  background: var(--white);
  border-radius: 2px;
  transition: all var(--transition);
}

.navbar__toggle.active span:nth-child(1) {
  transform: rotate(45deg) translate(5px, 5px);
}

.navbar__toggle.active span:nth-child(2) {
  opacity: 0;
}

.navbar__toggle.active span:nth-child(3) {
  transform: rotate(-45deg) translate(5px, -5px);
}

/* =============================================
   HERO
   ============================================= */
.hero {
  position: relative;
  min-height: 100vh;
  min-height: 100dvh;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(160deg, var(--navy-900) 0%, var(--navy-800) 50%, var(--navy-700) 100%);
  overflow: hidden;
  padding: calc(var(--navbar-height) + env(safe-area-inset-top, 0px) + 40px) 0 calc(80px + env(safe-area-inset-bottom, 0px));
}

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

.hero__grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(0, 180, 216, 0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(0, 180, 216, 0.04) 1px, transparent 1px);
  background-size: 60px 60px;
  mask-image: radial-gradient(ellipse at center, black 20%, transparent 70%);
  -webkit-mask-image: radial-gradient(ellipse at center, black 20%, transparent 70%);
}

.hero__orb {
  position: absolute;
  border-radius: 50%;
  filter: blur(80px);
  animation: float 8s ease-in-out infinite;
}

.hero__orb--1 {
  width: 500px;
  height: 500px;
  background: rgba(0, 180, 216, 0.15);
  top: -10%;
  right: -5%;
}

.hero__orb--2 {
  width: 400px;
  height: 400px;
  background: rgba(72, 202, 228, 0.1);
  bottom: -5%;
  left: -5%;
  animation-delay: -4s;
}

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

.hero__content {
  position: relative;
  text-align: center;
  max-width: 860px;
}

.hero__badge {
  display: inline-block;
  padding: 8px 20px;
  background: rgba(0, 180, 216, 0.15);
  border: 1px solid rgba(0, 180, 216, 0.3);
  color: var(--cyan-300);
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  border-radius: 50px;
  margin-bottom: 28px;
}

.hero__title {
  font-size: clamp(26px, 5.5vw, 56px);
  font-weight: 800;
  color: var(--white);
  line-height: 1.2;
  margin-bottom: 24px;
  overflow-wrap: break-word;
  word-wrap: break-word;
  hyphens: auto;
  -webkit-hyphens: auto;
}

.hero__desc {
  font-size: clamp(16px, 2vw, 19px);
  color: rgba(255, 255, 255, 0.75);
  max-width: 680px;
  margin: 0 auto 40px;
  line-height: 1.8;
}

.hero__actions {
  display: flex;
  gap: 16px;
  justify-content: center;
  flex-wrap: wrap;
  margin-bottom: 60px;
}

.hero__stats {
  display: flex;
  justify-content: center;
  gap: 48px;
  flex-wrap: wrap;
  padding-top: 40px;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.hero__stat {
  text-align: center;
}

.hero__stat-num {
  display: block;
  font-size: 32px;
  font-weight: 800;
  color: var(--cyan-400);
  line-height: 1;
  margin-bottom: 6px;
}

.hero__stat-label {
  font-size: 13px;
  color: rgba(255, 255, 255, 0.55);
  font-weight: 500;
}

.hero__scroll {
  position: absolute;
  bottom: 32px;
  left: 50%;
  transform: translateX(-50%);
  width: 28px;
  height: 44px;
  border: 2px solid rgba(255, 255, 255, 0.25);
  border-radius: 14px;
  display: flex;
  justify-content: center;
  padding-top: 8px;
  animation: scrollBounce 2s ease-in-out infinite;
}

.hero__scroll span {
  width: 4px;
  height: 8px;
  background: var(--cyan-400);
  border-radius: 2px;
  animation: scrollDot 2s ease-in-out infinite;
}

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

@keyframes scrollDot {
  0%, 100% { opacity: 1; transform: translateY(0); }
  50% { opacity: 0.3; transform: translateY(8px); }
}

/* =============================================
   HAKKIMIZDA
   ============================================= */
.about {
  background: var(--gray-50);
}

.about__grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: start;
}

.about__lead {
  font-size: 18px;
  color: var(--navy-800);
  margin-bottom: 20px;
  line-height: 1.8;
}

.about__content p {
  color: var(--gray-600);
  margin-bottom: 16px;
}

.about__features {
  display: flex;
  flex-direction: column;
  gap: 24px;
}

.about__feature {
  display: flex;
  gap: 20px;
  padding: 24px;
  background: var(--white);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--gray-200);
  transition: all var(--transition);
}

.about__feature:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
  border-color: var(--cyan-400);
}

.about__feature-icon {
  flex-shrink: 0;
  width: 52px;
  height: 52px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, rgba(0, 180, 216, 0.1), rgba(72, 202, 228, 0.15));
  border-radius: var(--radius-md);
  color: var(--cyan-500);
}

.about__feature-icon svg {
  width: 26px;
  height: 26px;
}

.about__feature h3 {
  font-size: 17px;
  font-weight: 700;
  color: var(--navy-900);
  margin-bottom: 6px;
}

.about__feature p {
  font-size: 14px;
  color: var(--gray-600);
  line-height: 1.6;
}

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

.service-card {
  position: relative;
  padding: 36px 32px;
  background: var(--white);
  border: 1px solid var(--gray-200);
  border-radius: var(--radius-lg);
  transition: all var(--transition);
  overflow: hidden;
}

.service-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--cyan-500), var(--cyan-400));
  transform: scaleX(0);
  transform-origin: left;
  transition: transform var(--transition);
}

@media (hover: hover) and (pointer: fine) {
  .service-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-lg);
    border-color: transparent;
  }

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

  .service-card:hover .service-card__icon {
    background: linear-gradient(135deg, var(--cyan-500), var(--cyan-400));
    color: var(--white);
    box-shadow: var(--shadow-glow);
  }
}

.service-card__icon {
  width: 60px;
  height: 60px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, var(--navy-900), var(--navy-700));
  border-radius: var(--radius-md);
  color: var(--cyan-400);
  margin-bottom: 24px;
  transition: all var(--transition);
}

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

.service-card__title {
  font-size: clamp(17px, 4vw, 20px);
  font-weight: 700;
  color: var(--navy-900);
  margin-bottom: 12px;
  line-height: 1.35;
  overflow-wrap: break-word;
}

.service-card__desc {
  font-size: 15px;
  color: var(--gray-600);
  line-height: 1.7;
}

.service-card__line {
  position: absolute;
  bottom: 0;
  right: 0;
  width: 80px;
  height: 80px;
  background: radial-gradient(circle at bottom right, rgba(0, 180, 216, 0.06), transparent 70%);
  pointer-events: none;
}

/* =============================================
   NEDEN ESBA
   ============================================= */
.why {
  background: linear-gradient(135deg, var(--navy-900), var(--navy-700));
  position: relative;
  overflow: hidden;
}

.why::before {
  content: '';
  position: absolute;
  inset: 0;
  background: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%2300b4d8' fill-opacity='0.03'%3E%3Cpath d='M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
}

.why__wrapper {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
  position: relative;
}

.why__desc {
  color: rgba(255, 255, 255, 0.7);
  font-size: 17px;
  margin-bottom: 32px;
}

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

.why__item {
  display: flex;
  align-items: center;
  gap: 14px;
  font-size: 16px;
  font-weight: 500;
  color: var(--white);
  padding: 12px 16px;
  background: rgba(255, 255, 255, 0.05);
  border-radius: var(--radius-md);
  border: 1px solid rgba(255, 255, 255, 0.08);
  transition: all var(--transition);
}

.why__item:hover {
  background: rgba(0, 180, 216, 0.12);
  border-color: rgba(0, 180, 216, 0.3);
  transform: translateX(8px);
}

.why__check {
  color: var(--cyan-400);
  font-size: 18px;
  font-weight: 700;
}

.why__visual {
  position: relative;
  height: 400px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.why__ring {
  position: absolute;
  width: 280px;
  height: 280px;
  border: 2px dashed rgba(0, 180, 216, 0.2);
  border-radius: 50%;
  animation: spin 30s linear infinite;
}

@keyframes spin {
  to { transform: rotate(360deg); }
}

.why__card {
  position: absolute;
  padding: 14px 22px;
  background: rgba(255, 255, 255, 0.08);
  backdrop-filter: blur(8px);
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: var(--radius-md);
  color: var(--white);
  font-size: 14px;
  font-weight: 600;
  animation: cardFloat 4s ease-in-out infinite;
}

.why__card span {
  color: var(--cyan-300);
}

.why__card--1 { top: 10%; left: 10%; animation-delay: 0s; }
.why__card--2 { top: 5%; right: 5%; animation-delay: -1s; }
.why__card--3 { bottom: 15%; left: 5%; animation-delay: -2s; }
.why__card--4 { bottom: 10%; right: 10%; animation-delay: -3s; }

@keyframes cardFloat {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-10px); }
}

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

.contact__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 28px;
  max-width: 400px;
  margin: 0 auto 40px;
}

.contact-btn {
  display: flex;
  align-items: center;
  gap: 20px;
  padding: 32px 28px;
  border-radius: var(--radius-xl);
  transition: all var(--transition);
  position: relative;
  overflow: hidden;
}

.contact-btn::before {
  content: '';
  position: absolute;
  inset: 0;
  opacity: 0;
  transition: opacity var(--transition);
}

.contact-btn:hover {
  transform: translateY(-6px);
}

.contact-btn:hover::before {
  opacity: 1;
}

.contact-btn--mail {
  background: linear-gradient(135deg, var(--navy-900), var(--navy-700));
  color: var(--white);
  box-shadow: var(--shadow-md);
}

.contact-btn--mail::before {
  background: linear-gradient(135deg, var(--navy-700), var(--navy-600));
}

.contact-btn--mail:hover {
  box-shadow: var(--shadow-lg), var(--shadow-glow);
}

.contact-btn--whatsapp {
  background: linear-gradient(135deg, #128c7e, var(--whatsapp));
  color: var(--white);
  box-shadow: 0 4px 20px rgba(37, 211, 102, 0.3);
}

.contact-btn--whatsapp::before {
  background: linear-gradient(135deg, var(--whatsapp), #34eb7a);
}

.contact-btn--whatsapp:hover {
  box-shadow: 0 10px 40px rgba(37, 211, 102, 0.4);
}

.contact-btn__icon {
  flex-shrink: 0;
  width: 56px;
  height: 56px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(255, 255, 255, 0.15);
  border-radius: var(--radius-md);
  position: relative;
  z-index: 1;
}

.contact-btn__icon svg {
  width: 28px;
  height: 28px;
}

.contact-btn__content {
  flex: 1;
  min-width: 0;
  position: relative;
  z-index: 1;
}

.contact-btn__label {
  display: block;
  font-size: 13px;
  font-weight: 500;
  opacity: 0.8;
  margin-bottom: 4px;
}

.contact-btn__value {
  display: block;
  font-size: clamp(15px, 3.5vw, 18px);
  font-weight: 700;
  overflow-wrap: anywhere;
  word-break: break-word;
}

.contact-btn__arrow {
  font-size: 24px;
  opacity: 0.5;
  transition: all var(--transition);
  position: relative;
  z-index: 1;
}

.contact-btn:hover .contact-btn__arrow {
  opacity: 1;
  transform: translateX(6px);
}

.contact__info {
  display: flex;
  justify-content: center;
}

.contact__info-item {
  display: flex;
  align-items: center;
  gap: 10px;
  color: var(--gray-600);
  font-size: 15px;
  font-weight: 500;
}

.contact__info-item svg {
  width: 20px;
  height: 20px;
  color: var(--cyan-500);
}

/* =============================================
   FOOTER
   ============================================= */
.footer {
  background: var(--navy-900);
  padding: 40px 0 32px;
}

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

.footer__top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 20px;
  padding-bottom: 28px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.footer__brand {
  display: flex;
  align-items: center;
  gap: 12px;
  color: var(--white);
  font-weight: 600;
  font-size: 15px;
}

.footer__brand img {
  border-radius: var(--radius-sm);
}

.footer__social {
  display: flex;
  gap: 12px;
}

.footer__social-link {
  width: 44px;
  height: 44px;
  min-width: 44px;
  min-height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(255, 255, 255, 0.08);
  border-radius: var(--radius-md);
  color: var(--white);
  transition: all var(--transition);
}

.footer__social-link svg {
  width: 20px;
  height: 20px;
}

.footer__social-link:hover {
  background: linear-gradient(135deg, var(--cyan-500), var(--cyan-400));
  transform: translateY(-3px);
  box-shadow: 0 4px 15px rgba(0, 180, 216, 0.35);
}

.footer__bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 16px;
}

.footer__copy {
  font-size: 14px;
  color: rgba(255, 255, 255, 0.5);
}

.footer__kvkk {
  font-size: 13px;
  color: var(--cyan-300);
  font-weight: 500;
  padding: 6px 0;
  border-bottom: 1px solid transparent;
  transition: all var(--transition);
}

.footer__kvkk:hover {
  color: var(--cyan-400);
  border-bottom-color: var(--cyan-400);
}

/* =============================================
   ÇEREZ BANNER
   ============================================= */
.cookie-banner {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  z-index: 9999;
  padding: 16px clamp(16px, 4vw, 24px);
  padding-bottom: calc(16px + env(safe-area-inset-bottom, 0px));
  background: rgba(10, 22, 40, 0.97);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-top: 1px solid rgba(0, 180, 216, 0.2);
  transform: translateY(100%);
  transition: transform 0.5s cubic-bezier(0.4, 0, 0.2, 1);
}

.cookie-banner.show {
  transform: translateY(0);
}

.cookie-banner__inner {
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  flex-wrap: wrap;
}

.cookie-banner__text {
  color: rgba(255, 255, 255, 0.85);
  font-size: 14px;
  flex: 1;
}

.cookie-banner__btn {
  padding: 12px 28px;
  min-height: 48px;
  background: linear-gradient(135deg, var(--cyan-500), var(--cyan-400));
  color: var(--white);
  font-size: 14px;
  font-weight: 600;
  border-radius: var(--radius-md);
  white-space: normal;
  text-align: center;
  transition: all var(--transition);
  touch-action: manipulation;
}

.cookie-banner__btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 4px 20px rgba(0, 180, 216, 0.4);
}

/* =============================================
   KVKK MODAL
   ============================================= */
.modal {
  position: fixed;
  inset: 0;
  z-index: 10000;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 24px;
  opacity: 0;
  visibility: hidden;
  transition: all var(--transition);
}

.modal.open {
  opacity: 1;
  visibility: visible;
}

.modal__overlay {
  position: absolute;
  inset: 0;
  background: rgba(10, 22, 40, 0.7);
  backdrop-filter: blur(4px);
}

.modal__content {
  position: relative;
  background: var(--white);
  border-radius: var(--radius-lg);
  max-width: 640px;
  width: 100%;
  max-height: 85vh;
  max-height: 85dvh;
  overflow-y: auto;
  overscroll-behavior: contain;
  -webkit-overflow-scrolling: touch;
  padding: 40px;
  padding-bottom: calc(40px + env(safe-area-inset-bottom, 0px));
  box-shadow: var(--shadow-lg);
  transform: translateY(20px);
  transition: transform var(--transition);
}

.modal.open .modal__content {
  transform: translateY(0);
}

.modal__close {
  position: absolute;
  top: 12px;
  right: 12px;
  width: 44px;
  height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 28px;
  color: var(--gray-400);
  line-height: 1;
  transition: color var(--transition);
  touch-action: manipulation;
}

.modal__close:hover {
  color: var(--navy-900);
}

.modal__content h2 {
  font-size: 24px;
  font-weight: 800;
  color: var(--navy-900);
  margin-bottom: 24px;
  padding-right: 32px;
}

.modal__body h3 {
  font-size: 16px;
  font-weight: 700;
  color: var(--navy-800);
  margin: 20px 0 8px;
}

.modal__body p {
  font-size: 14px;
  color: var(--gray-600);
  line-height: 1.7;
  margin-bottom: 8px;
}

.modal__body a {
  color: var(--cyan-500);
  font-weight: 600;
}

.modal__body a:hover {
  text-decoration: underline;
}

/* =============================================
   RESPONSIVE & MOBİL UYUMLULUK
   ============================================= */

/* Tablet ve küçük laptop */
@media (max-width: 992px) {
  .about__grid,
  .why__wrapper {
    grid-template-columns: 1fr;
    gap: 40px;
  }

  .why__visual {
    height: 280px;
    min-height: 240px;
  }

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

  .section-header {
    margin-bottom: 48px;
  }
}

/* Mobil ve tablet dikey */
@media (max-width: 768px) {
  :root {
    --navbar-height: 64px;
  }

  .section {
    padding: 64px 0;
  }

  .section-header {
    margin-bottom: 40px;
  }

  .section-desc {
    font-size: 15px;
  }

  /* Navbar - mobil menü */
  .navbar__overlay {
    display: block;
  }

  .navbar__toggle {
    display: flex;
  }

  .navbar__brand small {
    display: none;
  }

  .navbar__brand strong {
    font-size: 16px;
  }

  .navbar__logo img {
    width: 40px;
    height: 40px;
  }

  .navbar__menu {
    position: fixed;
    top: 0;
    right: 0;
    width: min(300px, 88vw);
    height: 100%;
    height: 100dvh;
    background: var(--navy-900);
    padding: calc(var(--navbar-height) + env(safe-area-inset-top, 0px) + 20px) 20px calc(24px + env(safe-area-inset-bottom, 0px));
    transform: translateX(100%);
    transition: transform 0.35s cubic-bezier(0.4, 0, 0.2, 1);
    box-shadow: var(--shadow-lg);
    z-index: 1000;
    overflow-y: auto;
    overscroll-behavior: contain;
    -webkit-overflow-scrolling: touch;
  }

  .navbar__menu.open {
    transform: translateX(0);
  }

  .navbar__list {
    flex-direction: column;
    align-items: stretch;
    gap: 4px;
  }

  .nav-link {
    padding: 14px 16px;
    font-size: 16px;
    min-height: 48px;
    display: flex;
    align-items: center;
  }

  .nav-link--cta {
    margin-left: 0;
    margin-top: 12px;
    justify-content: center;
  }

  /* Hero */
  .hero {
    padding-bottom: calc(100px + env(safe-area-inset-bottom, 0px));
  }

  .hero__badge {
    font-size: 11px;
    padding: 6px 14px;
    letter-spacing: 0.06em;
  }

  .hero__desc {
    font-size: 15px;
    line-height: 1.75;
    margin-bottom: 32px;
  }

  .hero__actions {
    margin-bottom: 40px;
  }

  .hero__stats {
    gap: 24px 32px;
    padding-top: 32px;
  }

  .hero__stat {
    flex: 1 1 calc(50% - 16px);
    min-width: 100px;
  }

  .hero__stat-num {
    font-size: 28px;
  }

  .hero__stat-label {
    font-size: 12px;
  }

  .hero__scroll {
    bottom: calc(20px + env(safe-area-inset-bottom, 0px));
  }

  .hero__orb--1 {
    width: 280px;
    height: 280px;
  }

  .hero__orb--2 {
    width: 220px;
    height: 220px;
  }

  /* Hakkımızda */
  .about__lead {
    font-size: 16px;
  }

  .about__feature {
    padding: 20px;
    gap: 16px;
  }

  .about__feature-icon {
    width: 46px;
    height: 46px;
  }

  /* Hizmetler */
  .service-card {
    padding: 28px 22px;
  }

  /* Neden ESBA */
  .why__visual {
    height: 260px;
  }

  .why__ring {
    width: 200px;
    height: 200px;
  }

  .why__card {
    padding: 10px 14px;
    font-size: 12px;
  }

  .why__card--1 { top: 8%; left: 5%; }
  .why__card--2 { top: 5%; right: 2%; }
  .why__card--3 { bottom: 12%; left: 2%; }
  .why__card--4 { bottom: 8%; right: 2%; }

  .why__item {
    font-size: 15px;
    padding: 12px 14px;
  }

  /* İletişim */
  .contact__grid {
    grid-template-columns: 1fr;
    gap: 16px;
  }

  .contact-btn {
    padding: 24px 20px;
    gap: 16px;
    min-height: 88px;
  }

  /* Footer */
  .footer {
    padding: 32px 0 calc(24px + env(safe-area-inset-bottom, 0px));
  }

  .footer__brand {
    font-size: 14px;
    justify-content: center;
    text-align: center;
    flex-wrap: wrap;
  }

  .footer__top,
  .footer__bottom {
    flex-direction: column;
    text-align: center;
    align-items: center;
  }

  .footer__social {
    justify-content: center;
  }

  .footer__copy {
    font-size: 13px;
    line-height: 1.6;
  }

  .footer__kvkk {
    min-height: 44px;
    display: inline-flex;
    align-items: center;
  }

  /* Çerez */
  .cookie-banner__inner {
    flex-direction: column;
    text-align: center;
    gap: 16px;
  }

  .cookie-banner__btn {
    width: 100%;
    max-width: 320px;
  }

  /* Modal */
  .modal {
    padding: 16px;
    padding-top: calc(16px + env(safe-area-inset-top, 0px));
    align-items: flex-end;
  }

  .modal__content {
    padding: 28px 20px calc(24px + env(safe-area-inset-bottom, 0px));
    border-radius: var(--radius-lg) var(--radius-lg) 0 0;
    max-height: 90dvh;
  }

  .modal__content h2 {
    font-size: 20px;
    margin-bottom: 20px;
  }
}

/* Küçük telefonlar (iPhone SE, eski Android) */
@media (max-width: 480px) {
  :root {
    --navbar-height: 60px;
  }

  .section {
    padding: 52px 0;
  }

  .hero__title {
    font-size: clamp(22px, 7vw, 28px);
  }

  .hero__actions {
    flex-direction: column;
    align-items: stretch;
    width: 100%;
  }

  .btn {
    width: 100%;
    white-space: normal;
    text-align: center;
    padding: 14px 20px;
  }

  .hero__stats {
    flex-direction: column;
    gap: 20px;
  }

  .hero__stat {
    flex: none;
    width: 100%;
  }

  .hero__scroll {
    display: none;
  }

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

  .contact-btn {
    flex-direction: column;
    text-align: center;
    padding: 24px 16px;
  }

  .contact-btn__arrow {
    display: none;
  }

  .contact-btn__icon {
    width: 52px;
    height: 52px;
  }

  .why__visual {
    height: 220px;
  }

  .why__card {
    padding: 8px 12px;
    font-size: 11px;
  }

  .service-card__icon {
    width: 52px;
    height: 52px;
  }
}

/* Çok dar ekranlar */
@media (max-width: 360px) {
  .navbar__brand strong {
    font-size: 14px;
  }

  .navbar__logo img {
    width: 36px;
    height: 36px;
  }

  .hero__badge {
    font-size: 10px;
  }

  .section-title {
    font-size: 24px;
  }
}

/* Yatay mod (landscape) telefon */
@media (max-height: 500px) and (orientation: landscape) {
  .hero {
    min-height: auto;
    padding-top: calc(var(--navbar-height) + 20px);
    padding-bottom: 40px;
  }

  .hero__stats {
    display: none;
  }

  .hero__scroll {
    display: none;
  }

  .navbar__menu {
    padding-top: calc(var(--navbar-height) + 12px);
  }
}

/* Dokunmatik cihazlarda hover efektlerini sadeleştir */
@media (hover: none) and (pointer: coarse) {
  .about__feature:hover,
  .why__item:hover,
  .contact-btn:hover,
  .btn--primary:hover,
  .btn--outline:hover {
    transform: none;
  }

  .about__feature:active {
    transform: scale(0.98);
  }

  .contact-btn:active {
    opacity: 0.92;
  }

  .btn:active {
    transform: scale(0.98);
  }
}

/* Hareket azaltma tercihi */
@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }

  .reveal {
    opacity: 1;
    transform: none;
  }

  .hero__orb,
  .hero__scroll,
  .why__ring,
  .why__card {
    animation: none !important;
  }
}