/* Randevu+ - Tanıtım Websitesi */
/* Müşteri + İşletme ayrı temaları, modern tasarım */

:root {
  /* Müşteri teması (Randevu+) */
  --customer-primary: #1E88E5;
  --customer-primary-light: #E3F2FD;
  --customer-primary-lighter: #BBDEFB;
  --customer-primary-dark: #1976D2;
  --customer-primary-darker: #1565C0;

  /* İşletme teması (Randevu+ İşletme) */
  --business-primary: #2C3E50;
  --business-secondary: #34495E;
  --business-accent: #3498DB;
  --business-light: #ECF0F1;
  --business-light-alt: #BDC3C7;

  /* Ortak */
  --primary: var(--customer-primary);
  --primary-light: var(--customer-primary-light);
  --primary-lighter: var(--customer-primary-lighter);
  --primary-dark: var(--customer-primary-dark);
  --primary-darker: var(--customer-primary-darker);
  --white: #FFFFFF;
  --grey: #757575;
  --grey-light: #F5F5F5;
  --text: #212121;
  --text-muted: #616161;
  --shadow: rgba(0, 0, 0, 0.08);
  --shadow-app: rgba(0, 0, 0, 0.06);
  --radius: 12px;
  --radius-lg: 20px;
  --min-padding: 8px;
  --mid-padding: 16px;
  --max-padding: 24px;
  --font: 'Poppins', -apple-system, BlinkMacSystemFont, sans-serif;
}

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

html {
  scroll-behavior: smooth;
}

/* Animasyon keyframes */
@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(24px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes fadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}

@keyframes float {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-8px); }
}

@keyframes gradient-shift {
  0% { background-position: 0% 50%; }
  50% { background-position: 100% 50%; }
  100% { background-position: 0% 50%; }
}

@keyframes shimmer {
  0% { background-position: -200% 0; }
  100% { background-position: 200% 0; }
}

@keyframes scale-in {
  from {
    opacity: 0;
    transform: scale(0.95);
  }
  to {
    opacity: 1;
    transform: scale(1);
  }
}

/* Reduced motion - erişilebilirlik */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}

/* Skip link - erişilebilirlik ve SEO */
.skip-link {
  position: absolute;
  top: -100px;
  left: 50%;
  transform: translateX(-50%);
  padding: 0.75rem 1.5rem;
  background: var(--customer-primary);
  color: var(--white);
  font-weight: 600;
  border-radius: var(--radius);
  z-index: 1000;
  transition: top 0.2s;
}

.skip-link:focus {
  top: 1rem;
  outline: 2px solid var(--white);
  outline-offset: 2px;
}

body {
  font-family: var(--font);
  font-size: 16px;
  line-height: 1.6;
  color: var(--text);
  background: var(--white);
  overflow-x: hidden;
}


a {
  color: inherit;
  text-decoration: none;
}

ul {
  list-style: none;
}

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

/* Touch-friendly - mobil dokunma hedefleri */
@media (hover: none) and (pointer: coarse) {
  .nav__link,
  .btn,
  .how-tab,
  .store-badge {
    -webkit-tap-highlight-color: transparent;
  }
}

/* Container - AppConstants midPadding */
.container {
  width: 100%;
  max-width: 1140px;
  margin: 0 auto;
  padding: 0 var(--mid-padding);
}

/* Header - Modern, her zaman okunaklı */
.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  background: linear-gradient(135deg, var(--customer-primary) 0%, var(--customer-primary-dark) 100%);
  transition: background 0.3s ease, box-shadow 0.3s ease, backdrop-filter 0.3s;
}

.header.scrolled {
  background: var(--business-primary);
  backdrop-filter: blur(12px);
  box-shadow: 0 4px 24px rgba(0, 0, 0, 0.12);
}

.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
  padding: 0;
}

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

.nav__logo-icon {
  height: 36px;
  width: auto;
  object-fit: contain;
}

.nav__menu {
  display: flex;
  gap: var(--min-padding);
  align-items: center;
}

.nav__link {
  display: inline-flex;
  align-items: center;
  padding: 10px var(--mid-padding);
  font-weight: 600;
  font-size: 0.95rem;
  color: var(--white);
  background: rgba(255, 255, 255, 0.2);
  border-radius: var(--radius);
  transition: background 0.25s ease, color 0.25s ease, transform 0.2s ease;
}

.nav__link:hover {
  background: rgba(255, 255, 255, 0.3);
  color: var(--white);
  transform: translateY(-1px);
}

.header.scrolled .nav__link {
  color: var(--white);
  background: rgba(255, 255, 255, 0.2);
}

.header.scrolled .nav__link:hover {
  background: rgba(255, 255, 255, 0.3);
  color: var(--white);
}

.nav__toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: rgba(255, 255, 255, 0.2);
  border: none;
  border-radius: var(--radius);
  cursor: pointer;
  padding: 10px;
}

.nav__toggle .nav__toggle-line {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--white);
  border-radius: 1px;
  transition: transform 0.3s ease, opacity 0.2s ease;
}


.header.scrolled .nav__toggle {
  background: rgba(255, 255, 255, 0.2);
}

.header.scrolled .nav__toggle-line,
.header.scrolled .nav__toggle span {
  background: var(--white);
}

/* Drawer - sadece mobilde görünür */
.nav__backdrop,
.nav__drawer {
  display: none;
}

/* Hero - Modern gradient, derinlik */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding: 6rem 0 4rem;
  overflow: hidden;
}

.hero__bg {
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, var(--customer-primary) 0%, var(--customer-primary-dark) 30%, var(--customer-primary-darker) 60%, var(--customer-primary-dark) 100%);
  background-size: 200% 200%;
  animation: gradient-shift 15s ease infinite;
  z-index: -1;
}

.hero__bg::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse 80% 50% at 50% 0%, rgba(255,255,255,0.12) 0%, transparent 50%);
  pointer-events: none;
}

.hero__bg::after {
  content: '';
  position: absolute;
  width: 600px;
  height: 600px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(255,255,255,0.08) 0%, transparent 70%);
  top: -200px;
  right: -150px;
  animation: float 8s ease-in-out infinite;
  pointer-events: none;
}

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

.hero__logos {
  display: flex;
  gap: 1.5rem;
  justify-content: center;
  align-items: center;
  margin-bottom: 1.5rem;
  flex-wrap: wrap;
}

.hero__logo {
  width: 120px;
  height: 120px;
  border-radius: 28px;
  box-shadow: 0 12px 40px rgba(0, 0, 0, 0.3);
  border: 4px solid rgba(255, 255, 255, 0.3);
  animation: fadeInUp 0.8s ease-out backwards, float 6s ease-in-out 1s infinite;
}

.hero__logo:nth-child(1) { animation-delay: 0.2s, 1s; }
.hero__logo:nth-child(2) { animation-delay: 0.35s, 1.2s; }

.hero__title {
  font-size: clamp(2rem, 5vw, 3.5rem);
  font-weight: 700;
  color: var(--white);
  margin-bottom: 1rem;
  line-height: 1.2;
  text-shadow: 0 2px 12px rgba(0, 0, 0, 0.15);
  animation: fadeInUp 0.8s ease-out 0.5s backwards;
}

.hero__subtitle {
  font-size: clamp(1rem, 2vw, 1.25rem);
  color: rgba(255, 255, 255, 0.97);
  max-width: 560px;
  margin: 0 auto 2.5rem;
  text-shadow: 0 1px 4px rgba(0, 0, 0, 0.1);
  animation: fadeInUp 0.8s ease-out 0.7s backwards;
}

.hero__cta {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  justify-content: center;
  animation: fadeInUp 0.8s ease-out 0.9s backwards;
}

.hero__cta .btn {
  transition: transform 0.25s ease, box-shadow 0.25s ease;
}

.hero__cta .btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.2);
}

.hero__cta .btn:active {
  transform: translateY(0);
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: var(--mid-padding) var(--max-padding);
  font-family: var(--font);
  font-size: 1rem;
  font-weight: 600;
  border-radius: var(--radius);
  border: none;
  cursor: pointer;
  box-shadow: none;
  transition: background 0.25s ease, opacity 0.25s ease, transform 0.25s ease, box-shadow 0.25s ease;
}

.btn:hover {
  opacity: 0.95;
  transform: translateY(-2px);
}

.btn:active {
  transform: translateY(0);
}

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

.btn--customer:hover {
  background: var(--customer-primary-dark);
}

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

.btn--business:hover {
  background: var(--business-secondary);
}

.btn--business.btn--outline {
  background: var(--business-primary);
  color: var(--white);
  border: 2px solid var(--business-primary);
}

.btn--business.btn--outline:hover {
  background: var(--business-secondary);
  color: var(--white);
  
}

.btn--large {
  padding: var(--mid-padding) var(--max-padding);
  font-size: 1.05rem;
}

/* Section - İçerik alanı (app: beyaz kart 16px üst radius) */
.section {
  padding: 4rem 0;
}

.section__title {
  font-size: clamp(1.75rem, 4vw, 2.25rem);
  font-weight: 700;
  color: var(--text);
  text-align: center;
  margin-bottom: var(--min-padding);
}

.section__subtitle {
  font-size: 1.1rem;
  color: var(--text-muted);
  text-align: center;
  margin-bottom: 3rem;
  max-width: 600px;
  margin-left: auto;
  margin-right: auto;
}

/* Scroll reveal animasyonları */
.reveal {
  opacity: 0;
  transform: translateY(32px);
  transition: opacity 0.6s cubic-bezier(0.22, 1, 0.36, 1), transform 0.6s cubic-bezier(0.22, 1, 0.36, 1);
}

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

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

.section.visible .how-step.reveal:hover {
  transform: translateY(-2px);
}

/* Apps Compare - Salon card gölge stili (blur 20, offset 0 4, 0.06 opacity) */
.apps-compare {
  background: var(--grey-light);
  border-radius: var(--mid-padding) var(--mid-padding) 0 0;
  margin-top: -var(--mid-padding);
}

.apps-compare__grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--max-padding);
  margin-top: 2rem;
}

.app-card {
  background: var(--white);
  border-radius: var(--radius-lg);
  padding: var(--max-padding);
  box-shadow: 0 4px 20px var(--shadow-app);
  transition: transform 0.35s cubic-bezier(0.34, 1.56, 0.64, 1), box-shadow 0.35s ease;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  border-top: 4px solid transparent;
}

.app-card--customer {
  border-top-color: var(--customer-primary);
}

.app-card--business {
  border-top-color: var(--business-primary);
}

.app-card:hover {
  transform: translateY(-6px);
  box-shadow: 0 12px 40px rgba(0, 0, 0, 0.12);
}

.app-card__icon {
  transition: transform 0.3s ease;
}

.app-card:hover .app-card__icon {
  transform: scale(1.05);
}

.app-card__icon {
  width: 72px;
  height: 72px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius);
  margin-bottom: 1.5rem;
}

.app-card--customer .app-card__icon {
  background: var(--customer-primary-light);
  color: var(--customer-primary);
}

.app-card--business .app-card__icon {
  background: var(--business-light);
  color: var(--business-primary);
}

.app-card__icon--img {
  padding: 0;
  overflow: hidden;
}

.app-card__icon--img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.app-card__title {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--text);
  margin-bottom: 0.25rem;
}

.app-card--customer .app-card__title { color: var(--customer-primary); }
.app-card--business .app-card__title { color: var(--business-primary); }

.app-card__tagline {
  font-size: 0.95rem;
  color: var(--text-muted);
  margin-bottom: 1.5rem;
}

.app-card__features {
  flex: 1;
  margin-bottom: 2rem;
}

.app-card__features li {
  padding: 0.5rem 0;
  padding-left: 1.5rem;
  position: relative;
  color: var(--text);
}

.app-card--customer .app-card__features li::before {
  content: '✓';
  position: absolute;
  left: 0;
  color: var(--customer-primary);
  font-weight: 700;
}

.app-card--business .app-card__features li::before {
  content: '✓';
  position: absolute;
  left: 0;
  color: var(--business-accent);
  font-weight: 700;
}

/* Features */
.features__grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.5rem;
  margin-top: 2rem;
}

.feature-card {
  background: var(--white);
  border-radius: var(--radius-lg);
  padding: var(--max-padding);
  box-shadow: 0 4px 20px var(--shadow-app);
  transition: transform 0.3s ease, box-shadow 0.35s ease;
}

.feature-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 12px 36px rgba(0, 0, 0, 0.1);
}

.feature-card__icon {
  font-size: 2.5rem;
  margin-bottom: 1rem;
  transition: transform 0.35s cubic-bezier(0.34, 1.56, 0.64, 1);
}

.feature-card:hover .feature-card__icon {
  transform: scale(1.15);
}

.feature-card h4 {
  font-size: 1.125rem;
  font-weight: 600;
  color: var(--text);
  margin-bottom: 0.5rem;
}

.feature-card p {
  font-size: 0.95rem;
  color: var(--text-muted);
  line-height: 1.5;
}

.features--customer {
  background: var(--white);
}

.features--customer .feature-card {
  border-top: 4px solid var(--customer-primary);
}

.features--customer .section__title { color: var(--customer-primary-dark); }

.features--business {
  background: var(--business-light);
}

.features--business .feature-card {
  border-top: 4px solid var(--business-primary);
  background: var(--white);
}

.features--business .section__title { color: var(--business-primary); }

/* How it works */
.how-it-works {
  background: var(--white);
}

.how-it-works__tabs {
  display: flex;
  justify-content: center;
  gap: 1rem;
  margin-bottom: 2.5rem;
}

.how-tab {
  padding: 0.75rem 1.5rem;
  font-family: var(--font);
  font-size: 1rem;
  font-weight: 600;
  border-radius: var(--radius);
  cursor: pointer;
  transition: all 0.3s ease;
}

.how-tab:hover {
  transform: translateY(-1px);
}

.how-tab[data-tab="customer"] {
  border: 2px solid var(--customer-primary-light);
  background: transparent;
  color: var(--customer-primary);
}
.how-tab[data-tab="customer"]:hover { background: var(--customer-primary-light); }
.how-tab[data-tab="customer"].active {
  background: var(--customer-primary);
  color: var(--white);
  border-color: var(--customer-primary);
}

.how-tab[data-tab="business"] {
  border: 2px solid var(--business-light-alt);
  background: transparent;
  color: var(--business-primary);
}
.how-tab[data-tab="business"]:hover { background: var(--business-light); }
.how-tab[data-tab="business"].active {
  background: var(--business-primary);
  color: var(--white);
  border-color: var(--business-primary);
}

.how-steps {
  display: none;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
  max-width: 900px;
  margin: 0 auto;
}

.how-steps.active {
  display: grid;
  animation: fadeIn 0.4s ease;
}

.how-step {
  text-align: center;
  padding: 2rem 1.5rem;
  border-radius: var(--radius);
  transition: transform 0.3s ease;
}

.how-step:hover {
  transform: translateY(-2px);
}

.how-steps--customer .how-step {
  background: var(--customer-primary-light);
}
.how-steps--customer .how-step__number {
  background: var(--customer-primary);
  color: var(--white);
}

.how-steps--business .how-step {
  background: var(--business-light);
}
.how-steps--business .how-step__number {
  background: var(--business-primary);
  color: var(--white);
}

.how-step__number {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 48px;
  height: 48px;
  font-weight: 700;
  font-size: 1.25rem;
  border-radius: 50%;
  margin-bottom: 1rem;
}

.how-step h4 {
  font-size: 1.125rem;
  font-weight: 600;
  margin-bottom: 0.5rem;
}

.how-step p {
  font-size: 0.95rem;
  color: var(--text-muted);
}

/* Download CTA - İki tema geçişi */
.download-cta {
  background: linear-gradient(180deg, var(--customer-primary-light) 0%, var(--grey-light) 50%, var(--business-light) 100%);
}

.download-cards {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 2rem;
  margin-top: 2rem;
}

.download-card {
  background: var(--white);
  border-radius: var(--radius-lg);
  padding: var(--max-padding);
  box-shadow: 0 4px 20px var(--shadow-app);
  text-align: center;
  transition: transform 0.35s ease, box-shadow 0.35s ease, border-color 0.3s ease;
  border: 2px solid transparent;
}

.download-card--customer {
  border-color: rgba(30, 136, 229, 0.2);
}

.download-card--customer:hover {
  border-color: var(--customer-primary);
}

.download-card--business {
  border-color: rgba(44, 62, 80, 0.2);
}

.download-card--business:hover {
  border-color: var(--business-primary);
}

.download-card:hover {
  transform: translateY(-6px);
  box-shadow: 0 12px 40px rgba(0, 0, 0, 0.12);
}

.download-card__icon {
  transition: transform 0.3s ease;
}

.download-card:hover .download-card__icon {
  transform: scale(1.08);
}

.download-card__icon {
  width: 96px;
  height: 96px;
  border-radius: var(--radius-lg);
  margin-bottom: var(--mid-padding);
}

.download-card h3 {
  font-size: 1.5rem;
  font-weight: 700;
  margin-bottom: 0.5rem;
}

.download-card--customer h3 { color: var(--customer-primary); }
.download-card--business h3 { color: var(--business-primary); }

.download-card p {
  color: var(--text-muted);
  margin-bottom: 1.5rem;
}

.download-card__badges {
  display: flex;
  gap: 1rem;
  justify-content: center;
  flex-wrap: wrap;
}

.store-badge {
  display: inline-block;
  line-height: 0;
  transition: transform 0.25s ease, opacity 0.25s ease;
}

.store-badge:hover {
  opacity: 0.9;
  transform: scale(1.05);
}

.store-badge__img {
  height: 44px;
  width: auto;
  display: block;
  border-radius: 6px;
}

/* Modal - Çok Yakında */
.modal {
  position: fixed;
  inset: 0;
  z-index: 1000;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--mid-padding);
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.3s, visibility 0.3s;
}

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

.modal--open .modal__content {
  transform: scale(1);
  opacity: 1;
}

.modal__backdrop {
  position: absolute;
  inset: 0;
  background: rgba(0, 0, 0, 0.5);
  cursor: pointer;
  transition: opacity 0.3s ease;
}

.modal__content {
  position: relative;
  background: var(--white);
  border-radius: var(--radius-lg);
  padding: var(--max-padding);
  max-width: 400px;
  width: 100%;
  box-shadow: 0 24px 48px rgba(0, 0, 0, 0.2);
  text-align: center;
  transform: scale(0.9);
  opacity: 0;
  transition: transform 0.35s cubic-bezier(0.34, 1.56, 0.64, 1), opacity 0.3s ease;
}

.modal__close {
  position: absolute;
  top: 1rem;
  right: 1rem;
  width: 36px;
  height: 36px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  color: var(--text-muted);
  background: none;
  border: none;
  cursor: pointer;
  border-radius: var(--radius);
  transition: color 0.2s, background 0.2s;
}

.modal__close:hover {
  color: var(--text);
  background: var(--grey-light);
}

.modal__title {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--customer-primary);
  margin-bottom: 0.75rem;
}

.modal__text {
  font-size: 1rem;
  color: var(--text-muted);
  line-height: 1.5;
}

/* Footer */
.footer {
  background: var(--business-primary);
  color: var(--white);
  padding: var(--max-padding) 0;
}

.footer__content {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.5rem;
  text-align: center;
}

.footer__logo {
  display: flex;
  align-items: center;
}

.footer__logo-icon {
  height: 36px;
  width: auto;
  object-fit: contain;
  filter: brightness(0) invert(1);
}

.footer__text {
  font-size: 0.9rem;
  color: rgba(255, 255, 255, 0.8);
}

/* Safe area - iPhone X ve üzeri çentikli cihazlar için */
@supports (padding: env(safe-area-inset-top)) {
  .header {
    padding-top: env(safe-area-inset-top);
  }

  .nav {
    height: calc(72px + env(safe-area-inset-top));
  }

  .footer {
    padding-bottom: calc(var(--max-padding) + env(safe-area-inset-bottom));
  }

  .modal__content {
    padding-bottom: calc(var(--max-padding) + env(safe-area-inset-bottom));
  }

  @media (max-width: 768px) {
    .nav {
      height: calc(64px + env(safe-area-inset-top));
    }
  }
}

/* Tablet ve küçük laptop */
@media (max-width: 1024px) {
  .container {
    padding: 0 var(--mid-padding);
  }

  .apps-compare__grid {
    grid-template-columns: 1fr;
    gap: 1.5rem;
    margin-top: 1.5rem;
  }

  .app-card {
    padding: var(--mid-padding);
  }

  .features__grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 1.25rem;
    margin-top: 1.5rem;
  }

  .feature-card {
    padding: var(--mid-padding);
  }

  .how-steps {
    grid-template-columns: 1fr;
    gap: 1.5rem;
    max-width: 100%;
  }

  .how-step {
    padding: 1.5rem 1rem;
  }

  .download-cards {
    gap: 1.5rem;
    margin-top: 1.5rem;
  }

  .section {
    padding: 3.5rem 0;
  }

  .section__subtitle {
    margin-bottom: 2rem;
  }
}

/* Mobil */
@media (max-width: 768px) {
  .container {
    padding: 0 var(--mid-padding);
  }

  .nav {
    height: 64px;
  }

  .nav__logo-icon {
    height: 32px;
  }

  /* Desktop menü mobilde gizli */
  .nav__menu {
    display: none;
  }

  /* Backdrop */
  .nav__backdrop {
    display: block;
    position: fixed;
    inset: 0;
    z-index: 98;
    background: rgba(0, 0, 0, 0.4);
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.3s ease, visibility 0.3s ease;
  }

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

  /* Drawer - sağdan açılır */
  .nav__drawer {
    display: block;
    position: fixed;
    top: 0;
    right: 0;
    width: min(320px, 85vw);
    height: 100vh;
    z-index: 99;
    background: var(--white);
    box-shadow: -8px 0 32px rgba(0, 0, 0, 0.15);
    transform: translateX(100%);
    transition: transform 0.3s cubic-bezier(0.32, 0.72, 0, 1), box-shadow 0.3s ease;
    overflow: hidden;
  }

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

  .nav__drawer-inner {
    display: flex;
    flex-direction: column;
    height: 100%;
    padding-top: env(safe-area-inset-top, 0);
  }

  .nav__drawer-header {
    padding: 1.5rem 1.5rem 1.25rem;
    border-bottom: 1px solid var(--grey-light);
  }

  .nav__drawer-logo {
    height: 28px;
    width: auto;
    object-fit: contain;
    display: block;
  }

  .nav__drawer-menu {
    list-style: none;
    padding: 0.75rem 0;
    margin: 0;
  }

  .nav__drawer-menu li {
    margin: 0;
  }

  .nav__drawer-link {
    display: flex;
    align-items: center;
    padding: 1rem 1.5rem;
    font-size: 1.05rem;
    font-weight: 600;
    color: var(--text);
    transition: background 0.2s, color 0.2s;
    min-height: 48px;
    border: none;
  }

  .nav__drawer-link:hover,
  .nav__drawer-link:focus {
    background: var(--customer-primary-light);
    color: var(--customer-primary);
  }

  .nav__drawer-link:active {
    background: var(--grey-light);
  }

  /* Hamburger → X animasyonu */
  .nav__toggle {
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    gap: 6px;
    min-width: 44px;
    min-height: 44px;
    position: relative;
  }

  .nav__toggle .nav__toggle-line:nth-child(1) {
    transform-origin: center;
  }
  .nav__toggle .nav__toggle-line:nth-child(2) {
    transform-origin: center;
  }
  .nav__toggle .nav__toggle-line:nth-child(3) {
    transform-origin: center;
  }

  .nav__toggle.open .nav__toggle-line:nth-child(1) {
    transform: translateY(8px) rotate(45deg);
  }
  .nav__toggle.open .nav__toggle-line:nth-child(2) {
    opacity: 0;
  }
  .nav__toggle.open .nav__toggle-line:nth-child(3) {
    transform: translateY(-8px) rotate(-45deg);
  }

  /* Hero mobil */
  .hero {
    min-height: auto;
    padding: 5rem 0 3rem;
    padding-top: calc(64px + 2rem);
  }

  .hero__logos {
    gap: 1rem;
    margin-bottom: 1.25rem;
  }

  .hero__logo {
    width: 96px;
    height: 96px;
    border-radius: 22px;
    border-width: 3px;
  }

  .hero__title {
    font-size: 1.75rem;
    margin-bottom: 0.75rem;
  }

  .hero__subtitle {
    font-size: 1rem;
    margin-bottom: 1.75rem;
  }

  .hero__cta {
    flex-direction: column;
    gap: 0.75rem;
  }

  .hero__cta .btn {
    width: 100%;
    max-width: 100%;
    min-height: 48px;
    padding: 1rem var(--max-padding);
  }

  /* Section mobil */
  .section {
    padding: 2.5rem 0;
  }

  .section__title {
    font-size: 1.5rem;
    margin-bottom: 0.5rem;
  }

  .section__subtitle {
    font-size: 1rem;
    margin-bottom: 1.5rem;
  }

  .apps-compare {
    margin-top: 0;
  }

  .app-card {
    padding: var(--mid-padding);
  }

  .app-card__icon {
    width: 56px;
    height: 56px;
    margin-bottom: 1rem;
  }

  .app-card__icon--img img {
    width: 56px;
    height: 56px;
  }

  .app-card__title {
    font-size: 1.25rem;
  }

  .app-card__features {
    margin-bottom: 1.5rem;
  }

  .app-card .btn {
    width: 100%;
    min-height: 44px;
  }

  .features__grid {
    grid-template-columns: 1fr;
    gap: 1rem;
    margin-top: 1.5rem;
  }

  .feature-card {
    padding: var(--mid-padding);
  }

  .feature-card__icon {
    font-size: 2rem;
  }

  .how-it-works__tabs {
    flex-direction: column;
    gap: 0.5rem;
    margin-bottom: 1.5rem;
  }

  .how-tab {
    width: 100%;
    min-height: 48px;
    padding: 1rem;
  }

  .download-cards {
    grid-template-columns: 1fr;
    gap: 1.25rem;
    margin-top: 1.5rem;
  }

  .download-card {
    padding: var(--mid-padding);
  }

  .download-card__icon {
    width: 80px;
    height: 80px;
    margin-bottom: 1rem;
  }

  .download-card h3 {
    font-size: 1.25rem;
  }

  .download-card__badges {
    flex-direction: column;
    align-items: center;
    gap: 0.75rem;
  }

  .store-badge {
    width: 100%;
    max-width: 200px;
  }

  .store-badge__img {
    height: 48px;
    width: 100%;
    object-fit: contain;
    object-position: center;
  }

  .modal__content {
    margin: var(--mid-padding);
    max-width: calc(100% - 2 * var(--mid-padding));
  }

  .footer__logo-icon {
    height: 32px;
  }
}

/* Küçük telefonlar (iPhone SE, eski Android) */
@media (max-width: 480px) {
  .container {
    padding: 0 var(--mid-padding);
  }

  .hero__logos {
    flex-direction: column;
    gap: 0.75rem;
  }

  .hero__logo {
    width: 88px;
    height: 88px;
  }

  .hero__title {
    font-size: 1.5rem;
  }

  .section__title {
    font-size: 1.375rem;
  }

  .app-card__features li {
    font-size: 0.9rem;
  }

  .feature-card h4 {
    font-size: 1rem;
  }

  .feature-card p {
    font-size: 0.9rem;
  }

  .store-badge {
    max-width: 180px;
  }
}

/* Mobil menü açıkken body scroll kilidi */
body.menu-open {
  overflow: hidden;
  position: fixed;
  width: 100%;
}