/* ============================================================
   VERAGEN — Custom Component Styles
   Tailwind utility sınıflarını tamamlayan özel bileşenler.
   ============================================================ */

@import url('./variables.css');

/* ============================================================
   BASE / RESET
   ============================================================ */

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

html {
  scroll-behavior: smooth;
  font-size: 16px;
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: var(--font-body);
  color: var(--color-text);
  background-color: var(--color-white);
  line-height: var(--leading-normal);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  font-weight: var(--fw-bold);
  line-height: var(--leading-tight);
  color: var(--color-text);
  margin: 0;
}

p {
  margin: 0;
  line-height: var(--leading-relaxed);
}

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

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

/* ============================================================
   LAYOUT CONTAINER
   ============================================================ */

.container {
  width: 100%;
  max-width: var(--container-max);
  margin-inline: auto;
  padding-inline: 1.5rem;
}

/* ============================================================
   SECTION SPACINGS
   ============================================================ */

.section {
  padding-block: 5rem;
}

.section-sm {
  padding-block: 3rem;
}

.section-lg {
  padding-block: 7.5rem;
}

/* ============================================================
   SECTION HEADER ORTAK BILEŞEN
   ============================================================ */

.section-head {
  text-align: center;
  max-width: 48rem;
  margin-inline: auto;
  margin-bottom: 3.5rem;
}

.eyebrow {
  display: inline-block;
  font-family: var(--font-heading);
  font-size: var(--text-xs);
  font-weight: var(--fw-semibold);
  letter-spacing: var(--tracking-widest);
  text-transform: uppercase;
  color: var(--color-accent);
  margin-bottom: 0.75rem;
}

.section-title {
  font-size: clamp(1.75rem, 3vw, 2.5rem);
  font-weight: var(--fw-bold);
  color: var(--color-text);
  line-height: 1.15;
  margin-bottom: 1rem;
}

.section-subtitle {
  font-size: var(--text-lg);
  color: var(--color-text-muted);
  line-height: var(--leading-relaxed);
}

.sep {
  width: 3rem;
  height: 3px;
  background: linear-gradient(90deg, var(--color-primary), var(--color-accent));
  border-radius: var(--radius-full);
  margin-block: 1rem;
}

.sep-center {
  margin-inline: auto;
}

/* ============================================================
   BUTTONS
   ============================================================ */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  font-family: var(--font-heading);
  font-weight: var(--fw-semibold);
  font-size: var(--text-sm);
  letter-spacing: var(--tracking-wide);
  text-transform: uppercase;
  padding: 0.875rem 2rem;
  border-radius: var(--radius-full);
  border: 2px solid transparent;
  cursor: pointer;
  transition: background-color var(--transition-base),
              border-color var(--transition-base),
              transform var(--transition-fast),
              box-shadow var(--transition-base);
  text-decoration: none;
  white-space: nowrap;
}

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

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

.btn-outline-light {
  background-color: transparent;
  color: var(--color-white);
  border-color: rgba(255, 255, 255, 0.4);
}

.btn-outline-light:hover {
  background-color: rgba(255, 255, 255, 0.1);
  border-color: rgba(255, 255, 255, 0.8);
  color: var(--color-white);
  transform: translateY(-2px);
}

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

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

.btn-sm {
  font-size: var(--text-xs);
  padding: 0.625rem 1.375rem;
}

/* ============================================================
   BADGES
   ============================================================ */

.badge {
  display: inline-block;
  font-family: var(--font-heading);
  font-size: var(--text-xs);
  font-weight: var(--fw-semibold);
  letter-spacing: var(--tracking-wider);
  text-transform: uppercase;
  padding: 0.3rem 0.875rem;
  border-radius: var(--radius-full);
}

.badge-primary {
  background-color: var(--color-primary-pale);
  color: var(--color-primary);
}

.badge-accent {
  background-color: var(--color-accent-light);
  color: var(--color-accent-dark);
}

/* ============================================================
   NAVIGATION
   ============================================================ */

.site-nav {
  position: fixed;
  inset-inline: 0;
  top: 0;
  z-index: var(--z-fixed);
  padding-block: 1.25rem;
  background-color: transparent;
  transition: background-color var(--transition-base),
              box-shadow var(--transition-base),
              padding var(--transition-base);
}

.site-nav.nav-scrolled {
  background-color: var(--color-white);
  box-shadow: var(--shadow-md);
  padding-block: 0.75rem;
}

/* Logo: hero'da beyaz göstermek için invert */
.nav-logo {
  height: 2.25rem;
  width: auto;
  filter: brightness(0) invert(1);
  transition: filter var(--transition-base), height var(--transition-base);
}

.site-nav.nav-scrolled .nav-logo {
  filter: none;
  height: 2rem;
}

/* Desktop nav links */
.nav-link {
  font-family: var(--font-heading);
  font-size: var(--text-xs);
  font-weight: var(--fw-semibold);
  letter-spacing: var(--tracking-wide);
  text-transform: uppercase;
  color: rgba(255, 255, 255, 0.88);
  padding: 0.375rem 0.125rem;
  position: relative;
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: -3px;
  inset-inline: 0;
  height: 2px;
  background-color: var(--color-accent);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform var(--transition-base);
  border-radius: var(--radius-full);
}

.nav-link:hover::after,
.nav-link.active::after {
  transform: scaleX(1);
}

.site-nav.nav-scrolled .nav-link {
  color: var(--color-text);
}

/* Nav CTA button */
.nav-cta {
  font-family: var(--font-heading);
  font-size: var(--text-xs);
  font-weight: var(--fw-semibold);
  letter-spacing: var(--tracking-wide);
  text-transform: uppercase;
  color: var(--color-white);
  background-color: var(--color-accent);
  padding: 0.5rem 1.375rem;
  border-radius: var(--radius-full);
  transition: background-color var(--transition-base),
              transform var(--transition-fast),
              box-shadow var(--transition-base);
}

.nav-cta:hover {
  background-color: var(--color-accent-dark);
  color: var(--color-white);
  transform: translateY(-1px);
  box-shadow: var(--shadow-accent);
}

.site-nav.nav-scrolled .nav-cta {
  background-color: var(--color-primary);
}

.site-nav.nav-scrolled .nav-cta:hover {
  background-color: var(--color-primary-mid);
  box-shadow: var(--shadow-primary);
}

/* Hamburger */
.hamburger {
  display: flex;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  padding: 6px 4px;
  background: none;
  border: none;
}

.hamburger span {
  display: block;
  width: 24px;
  height: 2px;
  background-color: var(--color-white);
  border-radius: var(--radius-full);
  transition: transform var(--transition-base), opacity var(--transition-base);
}

.site-nav.nav-scrolled .hamburger span {
  background-color: var(--color-primary);
}

.hamburger.is-open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.hamburger.is-open span:nth-child(2) { opacity: 0; transform: scaleX(0); }
.hamburger.is-open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* Mobile menu overlay */
.mobile-menu {
  position: fixed;
  inset: 0;
  background-color: var(--color-primary);
  z-index: calc(var(--z-fixed) - 1);
  padding: 5.5rem 2rem 2rem;
  overflow-y: auto;
  display: none;
  flex-direction: column;
}

.mobile-menu.is-open {
  display: flex;
}

.mobile-nav-link {
  font-family: var(--font-heading);
  font-size: var(--text-2xl);
  font-weight: var(--fw-bold);
  color: var(--color-white);
  padding: 1rem 0;
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
  display: block;
  transition: color var(--transition-base);
}

.mobile-nav-link:hover {
  color: var(--color-accent);
}

.mobile-nav-cta {
  margin-top: 2rem;
  display: block;
  text-align: center;
}

/* ============================================================
   HERO SECTION
   ============================================================ */

.hero {
  position: relative;
  min-height: 100vh;
  background: linear-gradient(
    145deg,
    var(--color-primary)    0%,
    var(--color-primary-mid) 55%,
    var(--color-primary-light) 100%
  );
  display: flex;
  align-items: center;
  overflow: hidden;
}

.hero-radial {
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse 60% 60% at 75% 40%, rgba(0, 168, 204, 0.12) 0%, transparent 70%),
    radial-gradient(ellipse 40% 50% at 15% 80%, rgba(0, 168, 204, 0.08) 0%, transparent 60%);
  pointer-events: none;
}

.hero-grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.025) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.025) 1px, transparent 1px);
  background-size: 64px 64px;
  pointer-events: none;
}

.hero-illustration {
  position: absolute;
  right: -4%;
  top: 50%;
  transform: translateY(-50%);
  width: 52%;
  max-width: 720px;
  opacity: 0.55;
  pointer-events: none;
  user-select: none;
}

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

.hero-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 0.625rem;
  background-color: rgba(0, 168, 204, 0.12);
  border: 1px solid rgba(0, 168, 204, 0.3);
  color: var(--color-accent);
  font-family: var(--font-heading);
  font-size: var(--text-xs);
  font-weight: var(--fw-semibold);
  letter-spacing: var(--tracking-widest);
  text-transform: uppercase;
  padding: 0.4rem 1.125rem;
  border-radius: var(--radius-full);
  margin-bottom: 1.5rem;
}

.hero-eyebrow-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background-color: var(--color-accent);
  animation: pulse-dot 2s ease-in-out infinite;
}

.hero-title {
  font-family: var(--font-heading);
  font-size: clamp(2.25rem, 5.5vw, 4rem);
  font-weight: var(--fw-extrabold);
  color: var(--color-white);
  line-height: 1.08;
  letter-spacing: var(--tracking-tight);
  margin-bottom: 1.5rem;
}

.hero-title .accent {
  color: var(--color-accent);
}

.hero-desc {
  font-size: var(--text-lg);
  color: rgba(255, 255, 255, 0.72);
  max-width: 36rem;
  line-height: var(--leading-relaxed);
  margin-bottom: 2.5rem;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  align-items: center;
}

.hero-trust {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  margin-top: 3rem;
  padding-top: 2rem;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.hero-trust-icon {
  flex-shrink: 0;
  width: 2.5rem;
  height: 2.5rem;
  background-color: rgba(0, 168, 204, 0.15);
  border-radius: var(--radius-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-accent);
  font-size: 1rem;
}

.hero-trust-text {
  font-family: var(--font-heading);
  font-size: var(--text-xs);
  font-weight: var(--fw-medium);
  color: rgba(255, 255, 255, 0.6);
  line-height: var(--leading-snug);
}

.hero-trust-text strong {
  display: block;
  color: rgba(255, 255, 255, 0.9);
  font-weight: var(--fw-semibold);
  margin-bottom: 0.1rem;
}

.hero-scroll {
  position: absolute;
  bottom: 2rem;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.5rem;
  color: rgba(255, 255, 255, 0.4);
  font-family: var(--font-heading);
  font-size: 0.625rem;
  letter-spacing: var(--tracking-widest);
  text-transform: uppercase;
  animation: hero-scroll-bounce 2.5s ease-in-out infinite;
}

.hero-scroll-arrow {
  width: 1px;
  height: 2.5rem;
  background: linear-gradient(to bottom, rgba(255,255,255,0.3), transparent);
}

/* ============================================================
   STATS BAR
   ============================================================ */

.stats-bar {
  background-color: var(--color-primary);
}

.stat-item {
  text-align: center;
  padding: 2rem 1rem;
  position: relative;
}

.stat-item:not(:last-child)::after {
  content: '';
  position: absolute;
  right: 0;
  top: 25%;
  bottom: 25%;
  width: 1px;
  background-color: rgba(255, 255, 255, 0.08);
}

.stat-number {
  display: block;
  font-family: var(--font-heading);
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: var(--fw-extrabold);
  color: var(--color-white);
  line-height: 1;
  letter-spacing: var(--tracking-tighter);
}

.stat-number .stat-suffix {
  color: var(--color-accent);
}

.stat-label {
  display: block;
  font-size: var(--text-xs);
  font-family: var(--font-heading);
  font-weight: var(--fw-medium);
  letter-spacing: var(--tracking-wide);
  text-transform: uppercase;
  color: rgba(255, 255, 255, 0.5);
  margin-top: 0.5rem;
}

/* ============================================================
   FEATURE KARTLARI (Hero altı 3 kart)
   ============================================================ */

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

.feature-card {
  background-color: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-2xl);
  padding: 2.5rem 2rem;
  text-align: center;
  transition: border-color var(--transition-base),
              box-shadow var(--transition-base),
              transform var(--transition-base);
}

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

.feature-card-icon {
  width: 4rem;
  height: 4rem;
  margin-inline: auto;
  margin-bottom: 1.5rem;
  background-color: var(--color-accent-light);
  border-radius: var(--radius-xl);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-accent);
  font-size: 1.625rem;
  transition: background-color var(--transition-base), color var(--transition-base);
}

.feature-card:hover .feature-card-icon {
  background-color: var(--color-accent);
  color: var(--color-white);
}

.feature-card-title {
  font-family: var(--font-heading);
  font-size: var(--text-xl);
  font-weight: var(--fw-bold);
  color: var(--color-text);
  margin-bottom: 0.75rem;
}

.feature-card-text {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  line-height: var(--leading-relaxed);
}

/* ============================================================
   EKSOZOM NEDİR
   ============================================================ */

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

.info-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-family: var(--font-heading);
  font-size: var(--text-xs);
  font-weight: var(--fw-semibold);
  letter-spacing: var(--tracking-wider);
  text-transform: uppercase;
  color: var(--color-primary);
  background-color: var(--color-primary-pale);
  padding: 0.4rem 1rem;
  border-radius: var(--radius-full);
  border-left: 3px solid var(--color-primary);
  margin-bottom: 1.25rem;
}

.nedir-body {
  font-size: var(--text-base);
  color: var(--color-text-muted);
  line-height: var(--leading-relaxed);
}

.nedir-visual {
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-mid) 100%);
  border-radius: var(--radius-3xl);
  padding: 2.5rem;
  color: var(--color-white);
  position: relative;
  overflow: hidden;
}

.nedir-visual::before {
  content: '';
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse at 80% 20%, rgba(0, 168, 204, 0.2) 0%, transparent 60%),
    radial-gradient(ellipse at 20% 80%, rgba(0, 168, 204, 0.1) 0%, transparent 50%);
  pointer-events: none;
}

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

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

.nedir-stat-box {
  background-color: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: var(--radius-xl);
  padding: 1.25rem;
  text-align: center;
}

.nedir-stat-value {
  font-family: var(--font-heading);
  font-size: var(--text-2xl);
  font-weight: var(--fw-extrabold);
  color: var(--color-accent);
  line-height: 1;
  display: block;
  margin-bottom: 0.25rem;
}

.nedir-stat-label {
  font-size: var(--text-xs);
  color: rgba(255, 255, 255, 0.65);
  font-family: var(--font-heading);
  letter-spacing: var(--tracking-wide);
}

/* ============================================================
   EKSOZOM İÇERİĞİ (Component Grid)
   ============================================================ */

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

.component-card {
  background-color: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  padding: 1.5rem 1.25rem;
  text-align: center;
  transition: all var(--transition-base);
  cursor: default;
}

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

.component-icon {
  width: 3.25rem;
  height: 3.25rem;
  margin-inline: auto;
  margin-bottom: 1rem;
  background-color: var(--color-accent-light);
  border-radius: var(--radius-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-accent-dark);
  font-size: 1.375rem;
  transition: all var(--transition-base);
}

.component-card:hover .component-icon {
  background-color: rgba(255, 255, 255, 0.12);
  color: var(--color-accent);
}

.component-title {
  font-family: var(--font-heading);
  font-size: var(--text-sm);
  font-weight: var(--fw-bold);
  color: var(--color-text);
  margin-bottom: 0.375rem;
  transition: color var(--transition-base);
}

.component-card:hover .component-title {
  color: var(--color-white);
}

.component-desc {
  font-size: var(--text-xs);
  color: var(--color-text-muted);
  line-height: var(--leading-relaxed);
  transition: color var(--transition-base);
}

.component-card:hover .component-desc {
  color: rgba(255, 255, 255, 0.65);
}

/* ============================================================
   ETKİLER
   ============================================================ */

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

.effect-card {
  display: flex;
  align-items: flex-start;
  gap: 1.25rem;
  padding: 1.75rem 1.5rem;
  background-color: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  transition: all var(--transition-base);
}

.effect-card:hover {
  border-color: var(--color-accent);
  box-shadow: var(--shadow-md);
  transform: translateY(-3px);
}

.effect-icon {
  flex-shrink: 0;
  width: 3rem;
  height: 3rem;
  background-color: var(--color-primary);
  border-radius: var(--radius-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-accent);
  font-size: 1.25rem;
}

.effect-title {
  font-family: var(--font-heading);
  font-size: var(--text-base);
  font-weight: var(--fw-semibold);
  color: var(--color-text);
  margin-bottom: 0.375rem;
}

.effect-text {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  line-height: var(--leading-relaxed);
}

/* ============================================================
   TEDAVİ ALANLARI
   ============================================================ */

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

.tedavi-card {
  position: relative;
  background-color: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  padding: 2rem 1.5rem;
  text-align: center;
  transition: all var(--transition-base);
  overflow: hidden;
}

.tedavi-card::after {
  content: '';
  position: absolute;
  inset-inline: 0;
  bottom: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--color-primary), var(--color-accent));
  transform: scaleX(0);
  transform-origin: left;
  transition: transform var(--transition-base);
}

.tedavi-card:hover {
  background-color: var(--color-primary);
  border-color: var(--color-primary);
  transform: translateY(-5px);
  box-shadow: var(--shadow-xl);
}

.tedavi-card:hover::after {
  transform: scaleX(1);
}

.tedavi-card-icon {
  width: 3.5rem;
  height: 3.5rem;
  margin-inline: auto;
  margin-bottom: 1.25rem;
  background-color: var(--color-primary-pale);
  border-radius: var(--radius-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-primary);
  font-size: 1.5rem;
  transition: all var(--transition-base);
}

.tedavi-card:hover .tedavi-card-icon {
  background-color: rgba(255, 255, 255, 0.1);
  color: var(--color-accent);
}

.tedavi-card-name {
  font-family: var(--font-heading);
  font-size: var(--text-sm);
  font-weight: var(--fw-bold);
  color: var(--color-text);
  line-height: var(--leading-snug);
  transition: color var(--transition-base);
}

.tedavi-card:hover .tedavi-card-name {
  color: var(--color-white);
}

/* ============================================================
   NEDEN VERAGEN
   ============================================================ */

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

.neden-card {
  background-color: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-2xl);
  padding: 2.5rem 2rem;
  height: 100%;
  display: flex;
  flex-direction: column;
  transition: all var(--transition-base);
}

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

.neden-number {
  font-family: var(--font-heading);
  font-size: 3.5rem;
  font-weight: var(--fw-extrabold);
  line-height: 1;
  color: var(--color-primary-pale);
  letter-spacing: -3px;
  padding-bottom: 1.25rem;
  border-bottom: 2px solid var(--color-border);
  margin-bottom: 1.5rem;
  transition: color var(--transition-base), border-color var(--transition-base);
}

.neden-card:hover .neden-number {
  color: var(--color-accent-light);
  border-color: var(--color-accent);
}

.neden-title {
  font-family: var(--font-heading);
  font-size: var(--text-xl);
  font-weight: var(--fw-bold);
  color: var(--color-text);
  margin-bottom: 0.875rem;
}

.neden-text {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  line-height: var(--leading-relaxed);
  flex: 1;
}

/* ============================================================
   KAYNAKLAR
   ============================================================ */

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

.kaynak-chip {
  display: inline-flex;
  align-items: center;
  gap: 0.625rem;
  background-color: var(--color-primary-pale);
  border: 1px solid rgba(12, 35, 64, 0.1);
  color: var(--color-primary);
  font-family: var(--font-heading);
  font-size: var(--text-sm);
  font-weight: var(--fw-semibold);
  padding: 0.75rem 1.5rem;
  border-radius: var(--radius-full);
  transition: all var(--transition-base);
}

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

.kaynak-chip-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background-color: var(--color-accent);
  flex-shrink: 0;
}

/* ============================================================
   NASIL ÇALIŞIR
   ============================================================ */

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

.step-wrap {
  position: relative;
}

.step-line {
  position: absolute;
  top: 2rem;
  left: calc(50% + 2rem);
  right: calc(-50% + 2rem);
  height: 1px;
  background: linear-gradient(90deg, var(--color-primary), transparent);
  opacity: 0.2;
}

.step-number {
  width: 4rem;
  height: 4rem;
  margin-inline: auto;
  margin-bottom: 1.5rem;
  background-color: var(--color-primary);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-heading);
  font-size: var(--text-xl);
  font-weight: var(--fw-extrabold);
  color: var(--color-white);
  position: relative;
  z-index: 1;
  box-shadow: var(--shadow-primary);
}

.step-title {
  font-family: var(--font-heading);
  font-size: var(--text-lg);
  font-weight: var(--fw-bold);
  color: var(--color-text);
  margin-bottom: 0.75rem;
  text-align: center;
}

.step-text {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  line-height: var(--leading-relaxed);
  text-align: center;
}

/* ============================================================
   CTA SECTION
   ============================================================ */

.cta-section {
  background: linear-gradient(135deg,
    var(--color-primary)     0%,
    var(--color-primary-mid) 60%,
    var(--color-primary-light) 100%
  );
  position: relative;
  overflow: hidden;
}

.cta-section::before {
  content: '';
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse 50% 70% at 90% 50%, rgba(0, 168, 204, 0.18) 0%, transparent 60%),
    radial-gradient(ellipse 30% 50% at 5%  50%, rgba(0, 168, 204, 0.1)  0%, transparent 60%);
  pointer-events: none;
}

.cta-body {
  position: relative;
  z-index: 1;
  text-align: center;
}

.cta-title {
  font-family: var(--font-heading);
  font-size: clamp(1.75rem, 4vw, 3rem);
  font-weight: var(--fw-extrabold);
  color: var(--color-white);
  line-height: 1.12;
  margin-bottom: 1.25rem;
}

.cta-subtitle {
  font-size: var(--text-lg);
  color: rgba(255, 255, 255, 0.7);
  max-width: 40rem;
  margin-inline: auto;
  margin-bottom: 2.5rem;
  line-height: var(--leading-relaxed);
}

/* ============================================================
   FOOTER
   ============================================================ */

.site-footer {
  background-color: var(--color-primary);
  color: rgba(255, 255, 255, 0.75);
}

.footer-top {
  padding-block: 4rem;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.footer-logo {
  height: 2.25rem;
  width: auto;
  filter: brightness(0) invert(1);
  margin-bottom: 1.25rem;
}

.footer-brand-text {
  font-size: var(--text-sm);
  color: rgba(255, 255, 255, 0.5);
  line-height: var(--leading-relaxed);
  max-width: 22rem;
  margin-bottom: 1.5rem;
}

.footer-col-title {
  font-family: var(--font-heading);
  font-size: var(--text-xs);
  font-weight: var(--fw-semibold);
  letter-spacing: var(--tracking-widest);
  text-transform: uppercase;
  color: var(--color-accent);
  margin-bottom: 1.25rem;
}

.footer-link {
  display: block;
  font-size: var(--text-sm);
  color: rgba(255, 255, 255, 0.55);
  padding-block: 0.3rem;
  transition: color var(--transition-base);
}

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

.footer-contact-item {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  font-size: var(--text-sm);
  color: rgba(255, 255, 255, 0.55);
  margin-bottom: 0.875rem;
}

.footer-contact-item i {
  color: var(--color-accent);
  width: 1rem;
  text-align: center;
  flex-shrink: 0;
}

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

.footer-copy {
  font-size: var(--text-xs);
  color: rgba(255, 255, 255, 0.35);
}

.social-links {
  display: flex;
  gap: 0.625rem;
}

.social-link {
  width: 2.25rem;
  height: 2.25rem;
  background-color: rgba(255, 255, 255, 0.07);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  color: rgba(255, 255, 255, 0.55);
  font-size: 0.875rem;
  transition: all var(--transition-base);
  text-decoration: none;
}

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

/* ============================================================
   SCROLL REVEAL ANİMASYONLARI
   ============================================================ */

.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.65s ease, transform 0.65s ease;
}

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

.reveal-left {
  opacity: 0;
  transform: translateX(-32px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}

.reveal-left.visible {
  opacity: 1;
  transform: translateX(0);
}

.reveal-right {
  opacity: 0;
  transform: translateX(32px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}

.reveal-right.visible {
  opacity: 1;
  transform: translateX(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; }
.reveal-delay-5 { transition-delay: 0.5s; }
.reveal-delay-6 { transition-delay: 0.6s; }

/* ============================================================
   ANİMASYONLAR (@keyframes)
   ============================================================ */

@keyframes pulse-dot {
  0%, 100% { opacity: 1; transform: scale(1); }
  50%       { opacity: 0.5; transform: scale(0.75); }
}

@keyframes hero-scroll-bounce {
  0%, 100% { transform: translateX(-50%) translateY(0); opacity: 0.4; }
  50%       { transform: translateX(-50%) translateY(10px); opacity: 0.7; }
}

/* ============================================================
   RESPONSIVE BREAKPOINTS
   ============================================================ */

@media (max-width: 1023px) {
  .hero-illustration {
    display: none;
  }
}

@media (max-width: 767px) {
  .section      { padding-block: 3.5rem; }
  .section-lg   { padding-block: 4.5rem; }
  .section-head { margin-bottom: 2.5rem; }

  .hero-title { font-size: 2rem; }
  .hero-desc  { font-size: var(--text-base); }

  .stat-item:not(:last-child)::after { display: none; }

  .step-line { display: none; }
}

@media (max-width: 479px) {
  .container { padding-inline: 1rem; }
  .hero-actions { flex-direction: column; align-items: flex-start; }
  .hero-trust   { flex-wrap: wrap; }
}