/* ============================================
   BTA Dijital — Premium Dark Design System
   Mobile-First Architecture
   ============================================ */

/* --- 1. Design Tokens --- */
:root {
  /* Backgrounds */
  --bg-primary: #0f0f0f;
  --bg-secondary: #161616;
  --bg-card: #1a1a1a;
  --bg-card-hover: #1f1f1f;
  --bg-input: #141414;

  /* Borders */
  --border: rgba(255, 255, 255, 0.06);
  --border-hover: rgba(255, 255, 255, 0.12);
  --border-accent: rgba(193, 18, 31, 0.25);

  /* Text */
  --text: #ffffff;
  --text-secondary: #b3b3b3;
  --text-muted: #666666;

  /* Accent — Deep Crimson */
  --accent: #C1121F;
  --accent-light: #D91826;
  --accent-dark: #9B0E18;
  --accent-glow: rgba(193, 18, 31, 0.12);
  --accent-glow-strong: rgba(193, 18, 31, 0.20);

  /* Typography */
  --font: 'Outfit', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;

  --fs-xs: 0.75rem;
  --fs-sm: 0.875rem;
  --fs-base: 1rem;
  --fs-md: 1.125rem;
  --fs-lg: 1.25rem;
  --fs-xl: 1.5rem;
  --fs-2xl: 2rem;
  --fs-3xl: 2.5rem;
  --fs-4xl: 3.25rem;
  --fs-hero: clamp(2.25rem, 5.5vw, 4.25rem);

  --fw-normal: 400;
  --fw-medium: 500;
  --fw-semibold: 600;
  --fw-bold: 700;
  --fw-extrabold: 800;

  --lh-tight: 1.1;
  --lh-snug: 1.25;
  --lh-normal: 1.7;
  --lh-relaxed: 1.8;

  --ls-tight: -0.02em;
  --ls-normal: 0;
  --ls-wide: 0.04em;
  --ls-wider: 0.08em;

  /* Spacing */
  --space-xs: 0.5rem;
  --space-sm: 1rem;
  --space-md: 1.5rem;
  --space-lg: 2rem;
  --space-xl: 3rem;
  --space-2xl: 4rem;
  --space-3xl: 6rem;
  --space-4xl: 8rem;
  --space-section: clamp(4rem, 8vw, 7rem);

  /* Radii */
  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 14px;
  --radius-xl: 20px;
  --radius-full: 9999px;

  /* Shadows */
  --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.4);
  --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.3);
  --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.4);
  --shadow-glow: 0 8px 32px rgba(193, 18, 31, 0.06);
  --shadow-glow-hover: 0 12px 40px rgba(193, 18, 31, 0.10);

  /* Transitions */
  --ease-out: cubic-bezier(0.16, 1, 0.3, 1);
  --t-fast: 0.2s ease;
  --t-base: 0.35s ease;
  --t-slow: 0.5s ease;
  --t-smooth: 0.6s var(--ease-out);

  /* Layout */
  --max-width: 1200px;
  --header-h: 72px;
}

/* --- 1b. Cinematic Loader (Logo Only) --- */
.loader {
  position: fixed;
  inset: 0;
  background: #000;
  display: flex;
  justify-content: center;
  align-items: center;
  z-index: 9999;
  transition: opacity 0.8s ease;
}

.loader-logo {
  width: 260px;
  height: auto;
  opacity: 0;
  transform: scale(0.9);
  transition: opacity 0.8s ease, transform 1s cubic-bezier(0.22, 1, 0.36, 1);
}

.loader.hide {
  opacity: 0;
  pointer-events: none;
}

/* --- 2. Reset & Base --- */
*,
*::before,
*::after {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  scroll-padding-top: var(--header-h);
}

body {
  font-family: var(--font);
  font-size: var(--fs-base);
  font-weight: var(--fw-normal);
  line-height: var(--lh-normal);
  color: var(--text);
  background: var(--bg-primary);
  overflow-x: hidden;
}

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

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

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

ul,
ol {
  list-style: none;
}

input,
textarea,
select {
  font: inherit;
  color: inherit;
  background: none;
  border: none;
  outline: none;
}

::selection {
  background: var(--accent);
  color: #fff;
}

/* Subtle noise texture */
body::before {
  content: '';
  position: fixed;
  inset: 0;
  z-index: 9999;
  pointer-events: none;
  opacity: 0.018;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
  background-size: 256px 256px;
}

/* --- 3. Layout Utilities --- */
.container {
  width: 100%;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 var(--space-md);
}

.section {
  padding: var(--space-section) 0;
  position: relative;
}

.section--dark {
  background: var(--bg-secondary);
}

.section-label {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-size: var(--fs-xs);
  font-weight: var(--fw-semibold);
  text-transform: uppercase;
  letter-spacing: var(--ls-wider);
  color: var(--accent);
  margin-bottom: var(--space-md);
}

.section-label::before {
  content: '';
  width: 12px;
  height: 1.5px;
  background: var(--accent);
}

.section-title {
  font-size: clamp(1.5rem, 4vw, 2.75rem);
  font-weight: var(--fw-bold);
  line-height: var(--lh-tight);
  letter-spacing: var(--ls-tight);
  margin-bottom: var(--space-md);
}

.section-subtitle {
  font-size: var(--fs-md);
  color: var(--text-secondary);
  line-height: var(--lh-normal);
  max-width: 580px;
}

.section-subtitle--spaced {
  margin-bottom: var(--space-lg);
}

.section-header {
  margin-bottom: var(--space-3xl);
}

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

.section-header--center .section-subtitle {
  margin: 0 auto;
}

/* --- 4. Buttons --- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.875rem 1.75rem;
  font-size: var(--fs-sm);
  font-weight: var(--fw-semibold);
  letter-spacing: var(--ls-wide);
  border-radius: var(--radius-sm);
  transition: all 0.35s ease;
  position: relative;
  white-space: nowrap;
}

.btn svg {
  width: 16px;
  height: 16px;
  transition: transform 0.35s ease;
}

.btn:hover svg {
  transform: translateX(3px);
}

.btn--primary {
  background: var(--text);
  color: var(--bg-primary);
}

.btn--primary:hover {
  background: var(--accent);
  color: #fff;
  box-shadow: 0 0 24px rgba(193, 18, 31, 0.25);
}

.btn--secondary {
  background: transparent;
  color: var(--text);
  border: 1px solid var(--border-hover);
}

.btn--secondary:hover {
  border-color: var(--accent);
  color: var(--accent);
  box-shadow: 0 0 20px rgba(193, 18, 31, 0.08);
}

.btn--accent {
  background: var(--accent);
  color: #fff;
  font-weight: var(--fw-bold);
}

.btn--accent:hover {
  background: var(--accent-dark);
  box-shadow: 0 0 28px rgba(193, 18, 31, 0.3);
}

.btn--large {
  padding: 1rem 2.25rem;
  font-size: var(--fs-base);
}

/* --- 5. Header --- */
.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  height: var(--header-h);
  display: flex;
  align-items: center;
  transition: all var(--t-base);
  background: transparent;
}

.header.scrolled {
  background: rgba(15, 15, 15, 0.9);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border);
}

.header .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.logo {
  display: inline-flex;
  align-items: center;
  font-size: var(--fs-lg);
  font-weight: var(--fw-bold);
  letter-spacing: var(--ls-tight);
}

.logo img,
.nav-logo,
.footer-logo {
  width: auto;
  display: block;
  object-fit: contain;
}

/* Header logo: larger for visibility */
.header .logo img,
.nav-logo {
  height: 55px;
}

/* Footer logo: smaller */
.logo img,
.footer-logo {
  height: 40px;
}

.footer .logo img,
.footer .footer-logo {
  height: 44px;
  width: auto;
}

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

.nav {
  display: flex;
  align-items: center;
  gap: var(--space-xl);
}

/* Hidden on mobile, shown at 992px */
.nav-links {
  display: none;
  align-items: center;
  gap: var(--space-lg);
}

.nav-link {
  font-size: var(--fs-sm);
  font-weight: var(--fw-medium);
  color: var(--text-secondary);
  transition: color var(--t-fast);
  position: relative;
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0;
  height: 1.5px;
  background: var(--accent);
  transition: width var(--t-base);
}

.nav-link:hover,
.nav-link.active {
  color: var(--text);
}

.nav-link:hover::after,
.nav-link.active::after {
  width: 100%;
}

/* Hidden on mobile */
.nav-cta {
  display: none;
  padding: 0.625rem 1.5rem;
  font-size: var(--fs-sm);
  font-weight: var(--fw-semibold);
  background: var(--accent);
  color: #fff;
  border-radius: var(--radius-sm);
  transition: all 0.35s ease;
}

.nav-cta:hover {
  background: var(--accent-dark);
  box-shadow: 0 0 20px rgba(193, 18, 31, 0.2);
}

/* --- 6. Mobile Menu --- */
.mobile-toggle {
  display: flex;
  flex-direction: column;
  gap: 5px;
  padding: 4px;
  z-index: 1001;
}

.mobile-toggle span {
  display: block;
  width: 22px;
  height: 1.5px;
  background: var(--text);
  transition: all var(--t-base);
  transform-origin: center;
}

.mobile-toggle.active span:nth-child(1) {
  transform: rotate(45deg) translate(4px, 5px);
}

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

.mobile-toggle.active span:nth-child(3) {
  transform: rotate(-45deg) translate(4px, -5px);
}

.mobile-menu {
  display: flex;
  position: fixed;
  inset: 0;
  z-index: 999;
  background: rgba(15, 15, 15, 0.98);
  backdrop-filter: blur(24px);
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: var(--space-lg);
  opacity: 0;
  visibility: hidden;
  transition: all var(--t-slow);
}

.mobile-menu.active {
  opacity: 1;
  visibility: visible;
}

.mobile-menu a {
  font-size: var(--fs-xl);
  font-weight: var(--fw-semibold);
  color: var(--text-secondary);
  transition: color var(--t-fast);
}

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

.mobile-menu .btn {
  margin-top: var(--space-sm);
}

/* --- 7. Hero --- */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  position: relative;
  padding-top: var(--header-h);
  overflow: hidden;
  background: url('../btahero.jpg') center / cover no-repeat;
}

.hero-video {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  z-index: 0;
}

.hero-overlay {
  position: absolute;
  inset: 0;
  background: rgba(0, 0, 0, 0.55);
  z-index: 1;
}

.hero-content {
  position: relative;
  z-index: 2;
  max-width: 100%;
}

.hero-bg {
  position: absolute;
  inset: 0;
  z-index: 0;
}

.hero-orb {
  position: absolute;
  border-radius: 50%;
  filter: blur(120px);
  opacity: 0.10;
}

.hero-orb--1 {
  width: 500px;
  height: 500px;
  background: var(--accent);
  top: -200px;
  right: -100px;
  animation: orb-float 20s ease-in-out infinite;
}

.hero-orb--2 {
  width: 350px;
  height: 350px;
  background: var(--accent-dark);
  bottom: -100px;
  left: -100px;
  animation: orb-float 25s ease-in-out infinite reverse;
}

.hero-orb--3 {
  width: 250px;
  height: 250px;
  background: var(--accent);
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  opacity: 0.05;
  animation: orb-pulse 8s ease-in-out infinite;
}

.hero-grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.015) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.015) 1px, transparent 1px);
  background-size: 60px 60px;
  mask-image: radial-gradient(ellipse at center, black 0%, transparent 70%);
  -webkit-mask-image: radial-gradient(ellipse at center, black 0%, transparent 70%);
}

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

.hero-content {
  max-width: 100%;
}

.hero-tag {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  padding: 0.5rem 1.1rem;
  background: rgba(193, 18, 31, 0.06);
  border: 1px solid rgba(193, 18, 31, 0.12);
  border-radius: var(--radius-full);
  font-size: 0.7rem;
  font-weight: var(--fw-semibold);
  letter-spacing: var(--ls-wider);
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: var(--space-lg);
}

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

.hero-title {
  font-size: var(--fs-hero);
  font-weight: var(--fw-extrabold);
  line-height: var(--lh-tight);
  letter-spacing: -0.03em;
  margin-bottom: var(--space-lg);
}

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

.hero-subtitle {
  font-size: var(--fs-md);
  color: var(--text-secondary);
  line-height: var(--lh-relaxed);
  max-width: 560px;
  margin-bottom: var(--space-xl);
}

.hero-ctas {
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
}

.hero-ctas .btn {
  text-align: center;
}

@media (max-width: 768px) {
  .hero-video {
    display: none;
  }

  .nav-logo,
  .header .logo img {
    height: 42px;
  }
}

/* --- 8. Trust Bar / Logo Slider --- */
.trust-bar {
  padding: var(--space-lg) 0;
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  background: var(--bg-secondary);
  overflow: hidden;
}

.trust-label {
  text-align: center;
  font-size: var(--fs-xs);
  text-transform: uppercase;
  letter-spacing: var(--ls-wider);
  color: var(--text-muted);
  margin-bottom: var(--space-md);
  font-weight: var(--fw-medium);
}

.logo-slider {
  overflow: hidden;
  position: relative;
}

.logo-slider::before,
.logo-slider::after {
  content: '';
  position: absolute;
  top: 0;
  bottom: 0;
  width: 80px;
  z-index: 2;
  pointer-events: none;
}

.logo-slider::before {
  left: 0;
  background: linear-gradient(90deg, var(--bg-secondary), transparent);
}

.logo-slider::after {
  right: 0;
  background: linear-gradient(270deg, var(--bg-secondary), transparent);
}

.logo-track {
  display: flex;
  align-items: center;
  gap: var(--space-2xl);
  width: max-content;
  will-change: transform;
}

.logo-item {
  font-size: var(--fs-sm);
  font-weight: var(--fw-bold);
  color: var(--text-muted);
  white-space: nowrap;
  opacity: 0.45;
  transition: opacity var(--t-base);
  letter-spacing: var(--ls-wide);
  user-select: none;
}

.logo-item:hover {
  opacity: 0.75;
}

/* --- 9. System Cards --- */
.system-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-md);
  counter-reset: system-step;
}

.system-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: var(--space-lg);
  transition: transform 0.4s ease, border-color 0.35s ease, box-shadow 0.35s ease;
  position: relative;
  overflow: hidden;
  counter-increment: system-step;
}

.system-card::before {
  content: counter(system-step, decimal-leading-zero);
  font-size: 3.5rem;
  font-weight: var(--fw-extrabold);
  color: rgba(193, 18, 31, 0.05);
  position: absolute;
  top: -6px;
  right: 12px;
  line-height: 1;
  pointer-events: none;
}

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

.system-card__icon {
  width: 44px;
  height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(193, 18, 31, 0.06);
  border: 1px solid rgba(193, 18, 31, 0.12);
  border-radius: var(--radius-md);
  color: var(--accent);
  margin-bottom: var(--space-md);
}

.system-card__icon svg {
  width: 20px;
  height: 20px;
}

.system-card h3 {
  font-size: var(--fs-base);
  font-weight: var(--fw-semibold);
  margin-bottom: var(--space-xs);
}

.system-card p {
  font-size: var(--fs-sm);
  color: var(--text-secondary);
  line-height: var(--lh-normal);
}

/* --- 10. Segments --- */
.segments-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-md);
}

.segment-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: var(--space-lg);
  transition: transform 0.4s ease, border-color 0.35s ease, box-shadow 0.35s ease;
  display: flex;
  flex-direction: column;
}

.segment-card:hover {
  border-color: var(--border-hover);
  transform: translateY(-6px);
  box-shadow: var(--shadow-glow);
}

.segment-card__icon {
  width: 48px;
  height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(193, 18, 31, 0.06);
  border: 1px solid rgba(193, 18, 31, 0.12);
  border-radius: var(--radius-md);
  color: var(--accent);
  margin-bottom: var(--space-md);
}

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

.segment-card h3 {
  font-size: var(--fs-lg);
  font-weight: var(--fw-semibold);
  margin-bottom: var(--space-sm);
}

.segment-pain {
  font-size: var(--fs-sm);
  color: var(--text-muted);
  line-height: var(--lh-normal);
  padding: var(--space-sm);
  background: rgba(255, 255, 255, 0.02);
  border-left: 2px solid rgba(255, 255, 255, 0.12);
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  margin-bottom: var(--space-md);
}

.segment-pain::before {
  content: 'Sorun:';
  display: block;
  font-weight: var(--fw-semibold);
  color: var(--text-secondary);
  font-size: var(--fs-xs);
  text-transform: uppercase;
  letter-spacing: var(--ls-wider);
  margin-bottom: 0.25rem;
}

.segment-solution {
  font-size: var(--fs-sm);
  color: var(--text-secondary);
  line-height: var(--lh-normal);
  padding: var(--space-sm);
  background: rgba(193, 18, 31, 0.03);
  border-left: 2px solid var(--border-accent);
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  flex: 1;
}

.segment-solution::before {
  content: 'Çözüm:';
  display: block;
  font-weight: var(--fw-semibold);
  color: var(--accent);
  font-size: var(--fs-xs);
  text-transform: uppercase;
  letter-spacing: var(--ls-wider);
  margin-bottom: 0.25rem;
}

/* --- 11. Differentiation --- */
.diff-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-md);
}

.diff-card {
  display: flex;
  gap: var(--space-md);
  padding: var(--space-lg);
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  transition: transform 0.4s ease, border-color 0.35s ease, box-shadow 0.35s ease;
}

.diff-card:hover {
  border-color: var(--border-hover);
  transform: translateY(-6px);
  box-shadow: var(--shadow-glow);
}

.diff-number {
  font-size: var(--fs-2xl);
  font-weight: var(--fw-extrabold);
  color: rgba(193, 18, 31, 0.15);
  line-height: 1;
  flex-shrink: 0;
  min-width: 44px;
}

.diff-card h3 {
  font-size: var(--fs-base);
  font-weight: var(--fw-semibold);
  margin-bottom: 0.375rem;
}

.diff-card p {
  font-size: var(--fs-sm);
  color: var(--text-secondary);
  line-height: var(--lh-normal);
}

/* --- 11b. Problem Section --- */
.problem-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-xl);
  align-items: center;
}

.problem-text {
  font-size: var(--fs-md);
  color: var(--text-secondary);
  line-height: var(--lh-relaxed);
  margin-bottom: var(--space-lg);
}

.problem-list {
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
}

.problem-list__item {
  display: flex;
  align-items: flex-start;
  gap: 0.75rem;
  font-size: var(--fs-sm);
  color: var(--text-secondary);
  line-height: var(--lh-normal);
}

.problem-list__item svg {
  flex-shrink: 0;
  width: 18px;
  height: 18px;
  color: var(--text-muted);
  margin-top: 2px;
}

.problem-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: var(--space-xl);
  position: relative;
  overflow: hidden;
}

.problem-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--accent), transparent);
  opacity: 0.2;
}

.problem-card__stat {
  font-size: var(--fs-4xl);
  font-weight: var(--fw-bold);
  color: var(--accent);
  line-height: 1;
  margin-bottom: var(--space-sm);
}

.problem-card__text {
  font-size: var(--fs-md);
  color: var(--text-secondary);
  line-height: var(--lh-normal);
  margin-bottom: var(--space-lg);
}

.problem-card__divider {
  width: 100%;
  height: 1px;
  background: var(--border);
  margin-bottom: var(--space-lg);
}

.problem-card__bottom {
  font-size: var(--fs-sm);
  color: var(--text-muted);
}

.problem-card__bottom strong {
  color: var(--accent);
  font-weight: var(--fw-semibold);
}

/* --- 11c. Results / Metrics --- */
.results-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-md);
}

.result-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: var(--space-lg);
  text-align: center;
  transition: transform 0.4s ease, border-color 0.35s ease, box-shadow 0.35s ease;
}

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

.result-card__value {
  font-size: var(--fs-2xl);
  font-weight: var(--fw-bold);
  color: var(--accent);
  line-height: 1;
  margin-bottom: 0.5rem;
}

.result-card__label {
  font-size: var(--fs-sm);
  color: var(--text-muted);
}

/* --- 11d. System Card Modifier --- */
.system-card--clean::before {
  display: none;
}

.system-card--clean h3 {
  font-size: var(--fs-lg);
}

.system-card--link {
  display: block;
  text-decoration: none;
  color: inherit;
}

.system-card--link::before {
  display: none;
}

/* --- 12. FAQ Accordion --- */
.faq-list {
  max-width: 760px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: var(--space-xs);
}

.faq-item {
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  overflow: hidden;
  transition: border-color var(--t-base);
}

.faq-item.active {
  border-color: var(--border-accent);
}

.faq-question {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-sm);
  padding: var(--space-sm) var(--space-md);
  font-size: var(--fs-sm);
  font-weight: var(--fw-medium);
  color: var(--text);
  text-align: left;
  background: var(--bg-card);
  transition: color var(--t-fast);
}

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

.faq-item.active .faq-question {
  color: var(--accent);
}

.faq-icon {
  width: 24px;
  height: 24px;
  flex-shrink: 0;
  position: relative;
  transition: transform 0.35s ease;
}

.faq-icon::before,
.faq-icon::after {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  background: var(--text-muted);
  transition: transform 0.35s ease, background-color 0.35s ease;
}

.faq-icon::before {
  width: 12px;
  height: 1.5px;
  transform: translate(-50%, -50%);
}

.faq-icon::after {
  width: 1.5px;
  height: 12px;
  transform: translate(-50%, -50%);
}

.faq-item.active .faq-icon::before,
.faq-item.active .faq-icon::after {
  background: var(--accent);
}

.faq-item.active .faq-icon::after {
  transform: translate(-50%, -50%) rotate(90deg);
}

.faq-answer {
  overflow: hidden;
  transition: max-height 0.4s var(--ease-out);
  max-height: 0;
}

.faq-answer__inner {
  padding: 0 var(--space-md) var(--space-md);
  font-size: var(--fs-sm);
  color: var(--text-secondary);
  line-height: var(--lh-relaxed);
}

/* --- 13. Final CTA --- */
.final-cta {
  padding: var(--space-section) 0;
  position: relative;
  overflow: hidden;
}

.cta-box {
  position: relative;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-xl);
  padding: var(--space-3xl) var(--space-md);
  text-align: center;
  overflow: hidden;
}

.cta-box::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--accent), transparent);
  opacity: 0.5;
}

.cta-box::after {
  content: '';
  position: absolute;
  top: -200px;
  left: 50%;
  transform: translateX(-50%);
  width: 500px;
  height: 350px;
  background: radial-gradient(ellipse, rgba(193, 18, 31, 0.05), transparent 70%);
  pointer-events: none;
}

.cta-box__title {
  font-size: clamp(1.5rem, 4vw, 2.5rem);
  font-weight: var(--fw-bold);
  line-height: var(--lh-tight);
  letter-spacing: var(--ls-tight);
  margin-bottom: var(--space-md);
  position: relative;
  z-index: 1;
}

.cta-box__text {
  font-size: var(--fs-md);
  color: var(--text-secondary);
  line-height: var(--lh-normal);
  max-width: 500px;
  margin: 0 auto var(--space-xl);
  position: relative;
  z-index: 1;
}

.cta-box__buttons {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-sm);
  position: relative;
  z-index: 1;
}

.services-cta {
  margin-top: var(--space-3xl);
}

/* --- 14. Page Hero (Inner Pages) --- */
.page-hero {
  padding: calc(var(--header-h) + var(--space-3xl)) 0 var(--space-2xl);
  position: relative;
  overflow: hidden;
  background: var(--bg-secondary);
  border-bottom: 1px solid var(--border);
}

.page-hero .hero-orb {
  opacity: 0.06;
}

.page-hero .hero-grid {
  opacity: 0.5;
}

.page-hero .container {
  position: relative;
  z-index: 1;
}

.page-hero__label {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-size: var(--fs-xs);
  font-weight: var(--fw-semibold);
  text-transform: uppercase;
  letter-spacing: var(--ls-wider);
  color: var(--accent);
  margin-bottom: var(--space-sm);
}

.page-hero__label::before {
  content: '';
  width: 12px;
  height: 1.5px;
  background: var(--accent);
}

.page-hero__title {
  font-size: clamp(1.75rem, 5vw, 3rem);
  font-weight: var(--fw-extrabold);
  letter-spacing: var(--ls-tight);
  line-height: var(--lh-tight);
  margin-bottom: var(--space-md);
  max-width: 650px;
}

.page-hero__subtitle {
  font-size: var(--fs-md);
  color: var(--text-secondary);
  line-height: var(--lh-relaxed);
  max-width: 540px;
}

.page-hero__note {
  font-size: var(--fs-sm);
  color: var(--text-muted);
  margin-top: var(--space-sm);
  max-width: 540px;
}

/* --- 15. About Page --- */
.about-story-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-xl);
  align-items: center;
}

.about-story-text p {
  font-size: var(--fs-md);
  color: var(--text-secondary);
  line-height: var(--lh-relaxed);
  margin-bottom: var(--space-md);
}

.about-visual {
  background: rgba(255, 255, 255, 0.03);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  border: 1px solid rgba(255, 255, 255, 0.05);
  border-radius: var(--radius-lg);
  padding: var(--space-sm);
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.5);
  overflow: hidden;
}

.about-visual__img {
  width: 100%;
  height: auto;
  display: block;
  border-radius: calc(var(--radius-lg) - 4px);
  object-fit: cover;
}

.about-values-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-md);
}

.about-value-card {
  padding: var(--space-lg);
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  transition: transform 0.4s ease, border-color 0.35s ease, box-shadow 0.35s ease;
}

.about-value-card:hover {
  border-color: var(--border-hover);
  transform: translateY(-6px);
  box-shadow: var(--shadow-glow);
}

.about-value-card h3 {
  font-size: var(--fs-base);
  font-weight: var(--fw-semibold);
  margin-bottom: 0.5rem;
}

.about-value-card p {
  font-size: var(--fs-sm);
  color: var(--text-secondary);
  line-height: var(--lh-normal);
}

.about-value-card__icon {
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--accent);
  margin-bottom: var(--space-md);
}

.about-value-card__icon svg {
  width: 24px;
  height: 24px;
}

/* --- 15b. Team Section --- */
.team-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-md);
}

.team-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: var(--space-xl);
  text-align: center;
  transition: transform var(--t-base), box-shadow var(--t-base);
}

.team-card:hover {
  transform: translateY(-6px);
  box-shadow: 0 12px 40px rgba(193, 18, 31, 0.06);
}

.team-card__avatar {
  width: 72px;
  height: 72px;
  margin: 0 auto var(--space-md);
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(193, 18, 31, 0.06);
  border: 1px solid rgba(193, 18, 31, 0.12);
  border-radius: 50%;
  color: var(--accent);
  font-size: var(--fs-xl);
  font-weight: var(--fw-bold);
}

.team-card__name {
  font-size: var(--fs-lg);
  font-weight: var(--fw-semibold);
  margin-bottom: 0.25rem;
}

.team-card__role {
  font-size: var(--fs-sm);
  color: var(--accent);
  font-weight: var(--fw-medium);
  margin-bottom: var(--space-sm);
}

.team-card__bio {
  font-size: var(--fs-sm);
  color: var(--text-secondary);
  line-height: var(--lh-relaxed);
}

/* --- 16. Services Page --- */
.service-detail {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-xl);
  padding: var(--space-2xl) 0;
  border-bottom: 1px solid var(--border);
}

.service-detail:last-child {
  border-bottom: none;
}

.service-detail__content .section-label {
  margin-bottom: var(--space-sm);
}

.service-detail__title {
  font-size: var(--fs-xl);
  font-weight: var(--fw-bold);
  line-height: var(--lh-snug);
  margin-bottom: var(--space-sm);
}

.service-detail__text {
  font-size: var(--fs-md);
  color: var(--text-secondary);
  line-height: var(--lh-relaxed);
  margin-bottom: var(--space-lg);
}

.service-features {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.service-feature {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  font-size: var(--fs-sm);
  color: var(--text-secondary);
}

.service-feature svg {
  width: 16px;
  height: 16px;
  color: var(--accent);
  flex-shrink: 0;
}

.service-detail__visual {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: var(--space-2xl);
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 240px;
  position: relative;
  overflow: hidden;
}

.service-detail__visual::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--accent), transparent);
  opacity: 0.15;
}

.service-visual-icon {
  width: 80px;
  height: 80px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--accent);
  opacity: 0.15;
}

.service-visual-icon svg {
  width: 80px;
  height: 80px;
}

.service-visual-img {
  width: 100%;
  height: 100%;
  min-height: 240px;
  object-fit: cover;
  border-radius: var(--radius-lg);
  display: block;
}

/* --- 17. Influencer Page --- */
.influencer-intro-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-xl);
  align-items: center;
}

.influencer-stats-row {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-sm);
  margin-top: var(--space-lg);
}

.influencer-stat-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: var(--space-md);
  text-align: center;
}

.influencer-stat-card .stat-value {
  font-size: var(--fs-2xl);
  font-weight: var(--fw-bold);
  color: var(--accent);
}

.influencer-stat-card .stat-label {
  font-size: var(--fs-xs);
  color: var(--text-muted);
  margin-top: 0.25rem;
}

.influencer-process-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-md);
}

.influencer-step {
  text-align: center;
  padding: var(--space-lg);
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  transition: transform 0.4s ease, border-color 0.35s ease, box-shadow 0.35s ease;
}

.influencer-step:hover {
  border-color: var(--border-accent);
  transform: translateY(-6px);
  box-shadow: var(--shadow-glow);
}

.influencer-step__number {
  width: 48px;
  height: 48px;
  margin: 0 auto var(--space-md);
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(193, 18, 31, 0.06);
  border: 1px solid rgba(193, 18, 31, 0.12);
  border-radius: 50%;
  font-size: var(--fs-sm);
  font-weight: var(--fw-bold);
  color: var(--accent);
}

.influencer-step h3 {
  font-size: var(--fs-base);
  font-weight: var(--fw-semibold);
  margin-bottom: 0.5rem;
}

.influencer-step p {
  font-size: var(--fs-sm);
  color: var(--text-muted);
  line-height: var(--lh-normal);
}

.influencer-types-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-md);
}

.influencer-type-card {
  padding: var(--space-lg);
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  transition: transform 0.4s ease, border-color 0.35s ease;
}

.influencer-type-card:hover {
  border-color: var(--border-hover);
  transform: translateY(-6px);
}

.influencer-type-card h3 {
  font-size: var(--fs-lg);
  font-weight: var(--fw-semibold);
  margin-bottom: 0.5rem;
  color: var(--accent);
}

.influencer-type-card p {
  font-size: var(--fs-sm);
  color: var(--text-secondary);
  line-height: var(--lh-normal);
}

/* --- 18. Application Page --- */

/* Application layout: centered single-column form */
.apply-layout {
  max-width: 680px;
  margin: 0 auto;
}

/* Progress indicator */
.apply-progress {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.75rem;
  margin-bottom: var(--space-2xl);
}

.apply-progress__step {
  width: 36px;
  height: 36px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  font-size: var(--fs-xs);
  font-weight: var(--fw-bold);
  background: rgba(193, 18, 31, 0.08);
  border: 1px solid rgba(193, 18, 31, 0.2);
  color: var(--accent);
}

.apply-progress__step.active {
  background: var(--accent);
  border-color: var(--accent);
  color: #fff;
  box-shadow: 0 0 20px rgba(193, 18, 31, 0.2);
}

.apply-progress__line {
  width: 40px;
  height: 1px;
  background: var(--border);
}

.apply-progress__label {
  font-size: var(--fs-xs);
  color: var(--text-muted);
  font-weight: var(--fw-medium);
  margin-left: 0.5rem;
}

/* Form wrapper */
.apply-form-wrapper {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-xl);
  padding: var(--space-lg);
  position: relative;
  overflow: hidden;
}

.apply-form-wrapper::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--accent), transparent);
  opacity: 0.2;
}

.apply-form-title {
  font-size: var(--fs-lg);
  font-weight: var(--fw-semibold);
  margin-bottom: var(--space-xl);
  color: var(--text);
}

/* Form elements */
.form-group {
  margin-bottom: var(--space-lg);
}

.form-label {
  display: block;
  font-size: var(--fs-sm);
  font-weight: var(--fw-medium);
  color: var(--text-secondary);
  margin-bottom: 0.625rem;
}

.form-label .form-required {
  color: var(--accent);
  margin-left: 2px;
}

.form-input,
.form-textarea,
.form-select {
  width: 100%;
  padding: 1rem 1.125rem;
  background: var(--bg-input);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  color: var(--text);
  font-size: var(--fs-sm);
  transition: border-color 0.3s ease, box-shadow 0.3s ease;
}

.form-input::placeholder,
.form-textarea::placeholder {
  color: var(--text-muted);
}

.form-input:focus,
.form-textarea:focus,
.form-select:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(193, 18, 31, 0.1);
}

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

.form-select {
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' fill='%23666' viewBox='0 0 24 24'%3E%3Cpath d='M6 9l6 6 6-6'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 1rem center;
  padding-right: 2.5rem;
  cursor: pointer;
}

.form-select option {
  background: var(--bg-card);
  color: var(--text);
}

.form-row {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-lg);
}

/* Validation */
.form-input.invalid,
.form-textarea.invalid,
.form-select.invalid {
  border-color: var(--text-muted);
}

.form-error {
  font-size: var(--fs-xs);
  color: var(--text-muted);
  margin-top: 0.375rem;
  display: none;
}

.form-group.has-error .form-error {
  display: block;
}

.form-group.has-error .form-input,
.form-group.has-error .form-textarea,
.form-group.has-error .form-select {
  border-color: var(--text-muted);
}

/* Submit */
.form-submit {
  width: 100%;
  margin-top: var(--space-sm);
  padding: 1.125rem 2rem;
}

.form-note {
  font-size: var(--fs-xs);
  color: var(--text-muted);
  text-align: center;
  margin-top: var(--space-md);
  line-height: var(--lh-normal);
}

/* Confirmation state */
.form-success {
  display: none;
  text-align: center;
  padding: var(--space-4xl) var(--space-lg);
  animation: confirmFadeIn 0.6s var(--ease-out) forwards;
}

.form-success.show {
  display: block;
}

@keyframes confirmFadeIn {
  from {
    opacity: 0;
    transform: translateY(16px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.form-success__icon {
  width: 72px;
  height: 72px;
  margin: 0 auto var(--space-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(193, 18, 31, 0.08);
  border: 1px solid rgba(193, 18, 31, 0.15);
  border-radius: 50%;
  color: var(--accent);
}

.form-success__icon svg {
  width: 32px;
  height: 32px;
}

.form-success__title {
  font-size: var(--fs-xl);
  font-weight: var(--fw-bold);
  margin-bottom: var(--space-sm);
}

.form-success__text {
  color: var(--text-secondary);
  font-size: var(--fs-base);
  line-height: var(--lh-relaxed);
  max-width: 440px;
  margin: 0 auto var(--space-md);
}

.form-success__note {
  font-size: var(--fs-sm);
  color: var(--text-muted);
}

/* Side info (for contact methods below form) */
.apply-sidebar {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-md);
  margin-top: var(--space-3xl);
}

.apply-sidebar-card {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: var(--space-md);
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
}

.apply-sidebar-card__icon {
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(193, 18, 31, 0.06);
  border: 1px solid rgba(193, 18, 31, 0.12);
  border-radius: var(--radius-md);
  color: var(--accent);
  flex-shrink: 0;
}

.apply-sidebar-card__icon svg {
  width: 18px;
  height: 18px;
}

.apply-sidebar-card__text {
  font-size: var(--fs-sm);
  color: var(--text-secondary);
}

.apply-sidebar-card__text strong {
  display: block;
  font-weight: var(--fw-medium);
  color: var(--text);
  margin-bottom: 2px;
}

/* --- 18b. Contact Page (İletişim) --- */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-xl);
  align-items: start;
}

.contact-info .section-subtitle {
  margin-bottom: var(--space-xl);
}

.contact-methods {
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
  margin-bottom: var(--space-xl);
}

.contact-method {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.contact-method__icon {
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(193, 18, 31, 0.06);
  border: 1px solid rgba(193, 18, 31, 0.12);
  border-radius: var(--radius-md);
  color: var(--accent);
  flex-shrink: 0;
}

.contact-method__icon svg {
  width: 18px;
  height: 18px;
}

.contact-method__text {
  font-size: var(--fs-sm);
  color: var(--text-secondary);
}

.contact-method__text strong {
  display: block;
  font-weight: var(--fw-medium);
  color: var(--text);
  margin-bottom: 2px;
}

.contact-trust {
  margin-top: var(--space-xl);
  padding-top: var(--space-xl);
  border-top: 1px solid var(--border);
}

.contact-trust__title {
  font-size: var(--fs-sm);
  color: var(--text-muted);
  margin-bottom: var(--space-md);
  font-weight: var(--fw-medium);
}

.contact-trust__list {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.contact-form-wrapper {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: var(--space-lg);
}

.contact-trust__link {
  color: var(--accent);
  text-decoration: none;
  font-weight: var(--fw-medium);
  transition: opacity var(--t-fast);
}

.contact-trust__link:hover {
  opacity: 0.8;
}

/* --- 19. Footer --- */
.footer {
  padding: var(--space-2xl) 0 var(--space-lg);
  border-top: 1px solid var(--border);
}

.footer-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-lg);
  margin-bottom: var(--space-2xl);
}

.footer-brand .logo {
  margin-bottom: var(--space-md);
}

.footer-brand p {
  font-size: var(--fs-sm);
  color: var(--text-muted);
  line-height: var(--lh-normal);
  max-width: 300px;
}

.footer-social {
  display: flex;
  gap: 0.75rem;
  margin-top: var(--space-md);
}

.footer-social a {
  width: 36px;
  height: 36px;
  display: flex;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  color: var(--text-muted);
  transition: all var(--t-fast);
}

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

.footer-social svg {
  width: 16px;
  height: 16px;
}

.footer-col h4 {
  font-size: var(--fs-sm);
  font-weight: var(--fw-semibold);
  margin-bottom: var(--space-sm);
  color: var(--text);
}

.footer-col a {
  display: block;
  font-size: var(--fs-sm);
  color: var(--text-muted);
  padding: 0.25rem 0;
  transition: color var(--t-fast);
}

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

.footer-bottom {
  padding-top: var(--space-lg);
  border-top: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-sm);
  text-align: center;
  font-size: var(--fs-xs);
  color: var(--text-muted);
}

.footer-bottom-links {
  display: flex;
  gap: var(--space-md);
}

.footer-bottom-links a:hover {
  color: var(--accent);
}

/* --- 20. Animations --- */
@keyframes orb-float {
  0%, 100% { transform: translate(0, 0); }
  25% { transform: translate(30px, -30px); }
  50% { transform: translate(-20px, 20px); }
  75% { transform: translate(20px, 10px); }
}

@keyframes orb-pulse {
  0%, 100% { opacity: 0.05; }
  50% { opacity: 0.10; }
}

@keyframes dot-pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.3; }
}

.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.7s var(--ease-out), transform 0.7s var(--ease-out);
}

.reveal.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; }

.stagger-children .reveal {
  transition-delay: calc(var(--stagger-index, 0) * 0.08s);
}

/* --- 21. Responsive — Progressive Enhancement --- */

/* 480px+ */
@media (min-width: 480px) {
  .container {
    padding: 0 var(--space-lg);
  }

  .hero-tag {
    font-size: var(--fs-xs);
  }

  .hero-subtitle {
    font-size: var(--fs-lg);
  }

  .influencer-stats-row {
    grid-template-columns: repeat(3, 1fr);
  }

  .results-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

/* 768px+ — Tablet */
@media (min-width: 768px) {
  .hero-ctas {
    flex-direction: row;
    align-items: center;
  }

  .system-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .diff-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .about-values-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .team-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .result-card__value {
    font-size: var(--fs-3xl);
  }

  .influencer-process-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .influencer-types-grid {
    grid-template-columns: repeat(3, 1fr);
  }

  .form-row {
    grid-template-columns: 1fr 1fr;
  }

  .footer-grid {
    grid-template-columns: 1fr 1fr;
    gap: var(--space-xl);
  }

  .faq-question {
    padding: var(--space-md) var(--space-lg);
    font-size: var(--fs-base);
  }

  .faq-answer__inner {
    padding: 0 var(--space-lg) var(--space-lg);
  }

  .cta-box {
    padding: var(--space-3xl);
  }

  .cta-box__buttons {
    flex-direction: row;
    justify-content: center;
  }

  .logo-slider::before,
  .logo-slider::after {
    width: 120px;
  }

  .logo-track {
    gap: var(--space-3xl);
  }

  .logo-item {
    font-size: var(--fs-base);
  }

  .service-detail__title {
    font-size: var(--fs-2xl);
  }
}

/* 992px+ — Desktop Nav */
@media (min-width: 992px) {
  .nav-links {
    display: flex;
  }

  .nav-cta {
    display: inline-flex;
  }

  .mobile-toggle {
    display: none;
  }

  .mobile-menu {
    display: none !important;
  }

  .hero-content {
    max-width: 760px;
  }

  .problem-grid {
    grid-template-columns: 1fr 1fr;
    gap: var(--space-3xl);
  }

  .segments-grid {
    grid-template-columns: repeat(3, 1fr);
  }

  .about-story-grid {
    grid-template-columns: 1fr 1fr;
    gap: var(--space-3xl);
  }

  .about-values-grid {
    grid-template-columns: repeat(3, 1fr);
  }

  .team-grid {
    grid-template-columns: repeat(3, 1fr);
  }

  .about-visual {
    padding: var(--space-2xl);
  }

  .service-detail {
    grid-template-columns: 1fr 1fr;
    gap: var(--space-3xl);
    padding: var(--space-3xl) 0;
    align-items: center;
  }

  .service-detail:nth-child(even) {
    direction: rtl;
  }

  .service-detail:nth-child(even) > * {
    direction: ltr;
  }

  .service-detail__visual {
    min-height: 320px;
  }

  .influencer-intro-grid {
    grid-template-columns: 1fr 1fr;
    gap: var(--space-3xl);
  }

  .apply-sidebar {
    grid-template-columns: repeat(3, 1fr);
  }

  .contact-grid {
    grid-template-columns: 1fr 1.2fr;
    gap: var(--space-3xl);
  }

  .contact-info {
    position: sticky;
    top: calc(var(--header-h) + var(--space-lg));
  }

  .footer-grid {
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: var(--space-3xl);
  }

  .footer-bottom {
    flex-direction: row;
    justify-content: space-between;
    text-align: left;
  }
}

/* 1200px+ — Full Desktop */
@media (min-width: 1200px) {
  .system-grid {
    grid-template-columns: repeat(4, 1fr);
  }

  .system-card {
    padding: var(--space-xl);
  }

  .results-grid {
    grid-template-columns: repeat(4, 1fr);
  }

  .result-card__value {
    font-size: var(--fs-4xl);
  }

  .influencer-process-grid {
    grid-template-columns: repeat(4, 1fr);
  }

  .page-hero {
    padding: calc(var(--header-h) + var(--space-4xl)) 0 var(--space-3xl);
  }

  .trust-bar {
    padding: var(--space-2xl) 0;
  }

  .apply-form-wrapper {
    padding: var(--space-2xl);
  }

  .apply-layout {
    max-width: 720px;
  }

  .contact-form-wrapper {
    padding: var(--space-xl);
  }

  .cta-box {
    padding: var(--space-4xl) var(--space-3xl);
  }

  .logo-item {
    font-size: var(--fs-lg);
  }
}