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

:root {
  --bg: #050505;
  --bg-elevated: #0a0a0a;
  --card: #0f0f0f;
  --border: #1f1f1f;
  --text: #ffffff;
  --muted: #a3a3a3;
  --muted-2: #737373;
  --accent: #f5f5f5;
  --radius: 4px;
  --radius-lg: 12px;
  --font-display: "Cabinet Grotesk", system-ui, sans-serif;
  --font-body: "Manrope", system-ui, sans-serif;
  --header-h: 4.25rem;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: var(--font-body);
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

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

a {
  color: inherit;
}

.container {
  width: min(1120px, calc(100% - 2rem));
  margin-inline: auto;
}

h1, h2, h3 {
  font-family: var(--font-display);
  letter-spacing: -0.03em;
  line-height: 1.05;
  font-weight: 800;
}

/* Header */
.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(5, 5, 5, 0.85);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: var(--header-h);
  gap: 1rem;
}

.logo {
  font-family: var(--font-display);
  font-weight: 900;
  letter-spacing: 0.08em;
  text-decoration: none;
  font-size: 1.05rem;
}

.site-nav {
  display: flex;
  align-items: center;
  gap: 1.25rem;
}

.site-nav a {
  text-decoration: none;
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--muted);
  transition: color 0.15s;
}

.site-nav a:hover {
  color: var(--text);
}

.nav-cta {
  padding: 0.5rem 0.875rem;
  border: 1px solid var(--border);
  border-radius: 999px;
  color: var(--text) !important;
}

.nav-toggle {
  display: none;
  background: none;
  border: none;
  padding: 0.5rem;
  cursor: pointer;
}

.nav-toggle span {
  display: block;
  width: 1.25rem;
  height: 2px;
  background: var(--text);
  margin: 5px 0;
}

@media (max-width: 768px) {
  .nav-toggle {
    display: block;
  }

  .site-nav {
    position: fixed;
    inset: var(--header-h) 0 auto 0;
    flex-direction: column;
    align-items: stretch;
    padding: 1rem;
    background: var(--bg);
    border-bottom: 1px solid var(--border);
    transform: translateY(-120%);
    opacity: 0;
    pointer-events: none;
    transition: transform 0.2s, opacity 0.2s;
  }

  .site-nav.is-open {
    transform: translateY(0);
    opacity: 1;
    pointer-events: auto;
  }

  .site-nav a {
    padding: 0.75rem 0;
    border-bottom: 1px solid var(--border);
  }
}

/* Hero */
.hero {
  position: relative;
  padding: 3rem 0 2rem;
  overflow: hidden;
}

.hero-glow {
  position: absolute;
  top: -20%;
  right: -10%;
  width: min(600px, 80vw);
  height: min(600px, 80vw);
  background: radial-gradient(circle, rgba(255, 255, 255, 0.06) 0%, transparent 70%);
  pointer-events: none;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  gap: 2.5rem;
  align-items: center;
}

@media (max-width: 900px) {
  .hero-grid {
    grid-template-columns: 1fr;
  }
}

.eyebrow,
.section-eyebrow {
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--muted-2);
  margin: 0 0 1rem;
}

.hero h1 {
  font-size: clamp(2.5rem, 6vw, 4.25rem);
  margin: 0 0 1.25rem;
}

.hero-accent {
  display: block;
  color: var(--muted);
}

.hero-lead {
  color: var(--muted);
  font-size: 1.05rem;
  max-width: 34rem;
  margin: 0 0 1.75rem;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
}

.hero-visual {
  position: relative;
}

.hero-visual img {
  border-radius: var(--radius-lg);
  border: 1px solid var(--border);
  aspect-ratio: 3 / 2;
  object-fit: cover;
  width: 100%;
}

.img-note {
  margin: 0.5rem 0 0;
  font-size: 0.75rem;
  color: var(--muted-2);
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.75rem 1.25rem;
  border-radius: 999px;
  font-weight: 700;
  font-size: 0.875rem;
  text-decoration: none;
  border: 1px solid transparent;
  cursor: pointer;
  font-family: inherit;
  transition: background 0.15s, border-color 0.15s, transform 0.1s;
}

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

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

.btn-primary:hover {
  background: #e5e5e5;
}

.btn-outline {
  border-color: var(--border);
  background: transparent;
  color: var(--text);
}

.btn-outline:hover {
  border-color: #404040;
}

.btn-ghost {
  background: transparent;
  border-color: var(--border);
  color: var(--text);
}

.btn-sm {
  padding: 0.55rem 1rem;
  font-size: 0.8125rem;
}

.btn-block {
  width: 100%;
}

/* Stats */
.stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1rem;
  margin-top: 3rem;
  padding-top: 2rem;
  border-top: 1px solid var(--border);
}

@media (max-width: 600px) {
  .stats {
    grid-template-columns: 1fr;
  }
}

.stat {
  text-align: left;
}

.stat-value {
  font-family: var(--font-display);
  font-size: clamp(2rem, 5vw, 2.75rem);
  font-weight: 900;
  letter-spacing: -0.04em;
}

.stat-suffix {
  font-family: var(--font-display);
  font-size: 1.5rem;
  font-weight: 800;
  color: var(--muted);
}

.stat-label {
  display: block;
  margin-top: 0.25rem;
  font-size: 0.875rem;
  color: var(--muted);
}

/* Marquee */
.marquee {
  border-block: 1px solid var(--border);
  padding: 0.875rem 0;
  overflow: hidden;
  background: var(--bg-elevated);
}

.marquee-track {
  display: flex;
  gap: 1.5rem;
  width: max-content;
  animation: marquee 28s linear infinite;
  font-size: 0.8125rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--muted-2);
}

@keyframes marquee {
  from { transform: translateX(0); }
  to { transform: translateX(-50%); }
}

/* Sections */
.section {
  padding: 4.5rem 0;
}

.section-title {
  font-size: clamp(2rem, 4vw, 3rem);
  margin: 0 0 2.5rem;
  max-width: 16ch;
}

.section-title span {
  color: var(--muted);
}

.steps {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.25rem;
}

@media (max-width: 900px) {
  .steps {
    grid-template-columns: 1fr;
  }
}

.step {
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 1.5rem;
  background: linear-gradient(180deg, var(--card) 0%, var(--bg) 100%);
}

.step-num {
  display: block;
  font-family: var(--font-display);
  font-size: 0.875rem;
  font-weight: 800;
  color: var(--muted-2);
  margin-bottom: 1rem;
}

.step h3 {
  font-size: 1.25rem;
  margin: 0 0 0.75rem;
}

.step p {
  margin: 0;
  color: var(--muted);
  font-size: 0.9375rem;
}

/* Products */
.section-products {
  background: var(--bg-elevated);
  border-block: 1px solid var(--border);
}

.product-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 1.25rem;
}

@media (min-width: 1100px) {
  .product-grid {
    grid-template-columns: repeat(4, 1fr);
  }
}

@media (max-width: 900px) {
  .product-grid {
    grid-template-columns: 1fr;
  }
}

.product-card {
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  background: var(--card);
  display: flex;
  flex-direction: column;
}

.product-media {
  position: relative;
  aspect-ratio: 1;
  background: #141414;
}

.product-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.badge {
  position: absolute;
  top: 0.75rem;
  left: 0.75rem;
  padding: 0.35rem 0.65rem;
  border-radius: 999px;
  font-size: 0.6875rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  background: rgba(5, 5, 5, 0.75);
  border: 1px solid var(--border);
}

.badge-type {
  top: auto;
  bottom: 0.75rem;
  left: 0.75rem;
}

.badge-hot {
  background: #fff;
  color: #050505;
  border-color: #fff;
}

.badge-premium {
  background: rgba(255, 255, 255, 0.12);
}

.badge-custom {
  background: linear-gradient(135deg, #2563eb 0%, #1d4ed8 100%);
  color: #fff;
  border-color: transparent;
}

.product-media--custom {
  background: radial-gradient(circle at 30% 20%, rgba(37, 99, 235, 0.15), transparent 55%), #141414;
}

.product-media--custom img {
  object-fit: cover;
  padding: 0;
}

/* Özel tasarım bölümü */
.section-custom {
  border-top: 1px solid var(--border);
  background: linear-gradient(180deg, var(--bg) 0%, var(--bg-elevated) 100%);
}

.custom-block {
  display: grid;
  grid-template-columns: 0.95fr 1.05fr;
  gap: 2.5rem;
  align-items: center;
}

@media (max-width: 900px) {
  .custom-block {
    grid-template-columns: 1fr;
  }
}

.custom-visual img {
  border-radius: var(--radius-lg);
  border: 1px solid var(--border);
  width: 100%;
  max-width: 420px;
  margin-inline: auto;
}

.custom-lead {
  color: var(--muted);
  font-size: 1rem;
  max-width: 36rem;
  margin: 0 0 1.25rem;
}

.custom-features {
  margin: 0 0 1.75rem;
  padding: 0;
  list-style: none;
}

.custom-features li {
  position: relative;
  padding: 0.5rem 0 0.5rem 1.35rem;
  color: var(--muted);
  font-size: 0.9375rem;
  border-bottom: 1px solid var(--border);
}

.custom-features li::before {
  content: "✓";
  position: absolute;
  left: 0;
  color: #60a5fa;
  font-weight: 700;
}

.custom-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
}

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

/* Referanslar / müşteri yorumları */
.section-references {
  border-top: 1px solid var(--border);
  background: var(--bg-elevated);
}

.references-intro {
  color: var(--muted);
  max-width: 40rem;
  margin: -1.5rem 0 2rem;
  font-size: 0.9375rem;
}

.references-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 1.25rem;
}

.reference-card {
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  background: var(--card);
  display: flex;
  flex-direction: column;
}

.reference-card__photo {
  aspect-ratio: 4 / 3;
  background: #141414;
  overflow: hidden;
}

.reference-card__photo img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.reference-card__body {
  padding: 1.25rem;
  display: flex;
  flex-direction: column;
  flex: 1;
}

.reference-stars {
  color: #facc15;
  font-size: 0.875rem;
  letter-spacing: 0.12em;
  margin-bottom: 0.75rem;
}

.reference-quote {
  margin: 0 0 1rem;
  color: var(--text);
  font-size: 0.9375rem;
  line-height: 1.55;
  flex: 1;
}

.reference-quote::before {
  content: "“";
  color: var(--muted-2);
}

.reference-quote::after {
  content: "”";
  color: var(--muted-2);
}

.reference-meta {
  margin: 0;
  padding-top: 0.75rem;
  border-top: 1px solid var(--border);
  font-size: 0.8125rem;
  color: var(--muted);
}

.reference-meta strong {
  display: block;
  color: var(--text);
  font-weight: 700;
  margin-bottom: 0.2rem;
}

.product-body {
  padding: 1.25rem;
  display: flex;
  flex-direction: column;
  flex: 1;
}

.product-body h3 {
  font-size: 1.05rem;
  margin: 0 0 0.5rem;
  line-height: 1.25;
}

.product-body p {
  margin: 0 0 1.25rem;
  color: var(--muted);
  font-size: 0.875rem;
  flex: 1;
}

.product-actions {
  display: flex;
  gap: 0.5rem;
  flex-wrap: wrap;
}

/* Benefits */
.benefits {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.25rem;
}

@media (max-width: 900px) {
  .benefits {
    grid-template-columns: 1fr;
  }
}

.benefit {
  padding: 1.5rem;
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
}

.benefit-icon {
  width: 2.5rem;
  height: 2.5rem;
  display: flex;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--border);
  border-radius: 999px;
  margin-bottom: 1rem;
  font-size: 1.1rem;
}

.benefit h3 {
  font-size: 1.125rem;
  margin: 0 0 0.5rem;
}

.benefit p {
  margin: 0;
  color: var(--muted);
  font-size: 0.9375rem;
}

/* Contact */
.section-contact {
  border-top: 1px solid var(--border);
}

.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2.5rem;
  align-items: start;
}

@media (max-width: 900px) {
  .contact-grid {
    grid-template-columns: 1fr;
  }
}

.contact-copy p {
  color: var(--muted);
  max-width: 32rem;
}

.contact-quick {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-top: 1.5rem;
}

.contact-chip {
  text-decoration: none;
  font-size: 0.8125rem;
  font-weight: 600;
  padding: 0.5rem 0.875rem;
  border-radius: 999px;
  border: 1px solid var(--border);
  color: var(--muted);
}

.contact-chip:hover {
  color: var(--text);
  border-color: #404040;
}

.contact-form {
  display: flex;
  flex-direction: column;
  gap: 1rem;
  padding: 1.5rem;
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  background: var(--card);
}

.contact-form label {
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
  font-size: 0.8125rem;
  font-weight: 600;
  color: var(--muted);
}

.contact-form input,
.contact-form textarea {
  font: inherit;
  padding: 0.75rem 0.875rem;
  border-radius: var(--radius);
  border: 1px solid var(--border);
  background: var(--bg);
  color: var(--text);
}

.contact-form input:focus,
.contact-form textarea:focus {
  outline: 2px solid #525252;
  outline-offset: 0;
}

/* Footer */
.site-footer {
  border-top: 1px solid var(--border);
  padding: 2rem 0 5rem;
}

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

.footer-brand {
  font-family: var(--font-display);
  font-weight: 900;
  letter-spacing: 0.08em;
  margin: 0;
}

.footer-tag {
  margin: 0.25rem 0 0;
  font-size: 0.875rem;
  color: var(--muted);
}

.footer-links {
  display: flex;
  gap: 1.25rem;
}

.footer-links a {
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--muted);
  text-decoration: none;
}

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

.whatsapp-fab {
  position: fixed;
  right: 1.25rem;
  bottom: 1.25rem;
  width: 3.25rem;
  height: 3.25rem;
  border-radius: 999px;
  background: #25d366;
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.35);
  z-index: 40;
  transition: transform 0.15s;
}

.whatsapp-fab:hover {
  transform: scale(1.05);
}

.whatsapp-fab svg {
  width: 1.65rem;
  height: 1.65rem;
}

/* Product detail pages */
.page-product main {
  padding: calc(var(--header-h) + 2rem) 0 4rem;
}

.product-detail {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2.5rem;
  align-items: start;
}

@media (max-width: 900px) {
  .product-detail {
    grid-template-columns: 1fr;
  }
}

.product-detail img {
  border-radius: var(--radius-lg);
  border: 1px solid var(--border);
}

.product-detail h1 {
  font-size: clamp(1.75rem, 4vw, 2.5rem);
  margin: 0 0 1rem;
}

.product-detail .lead {
  color: var(--muted);
  margin-bottom: 1.5rem;
}

.product-specs {
  margin: 0 0 1.5rem;
  padding: 0;
  list-style: none;
}

.product-specs li {
  padding: 0.5rem 0;
  border-bottom: 1px solid var(--border);
  font-size: 0.9375rem;
  color: var(--muted);
}

.back-link {
  display: inline-block;
  margin-bottom: 1.5rem;
  color: var(--muted);
  text-decoration: none;
  font-size: 0.875rem;
  font-weight: 600;
}

.back-link:hover {
  color: var(--text);
}