/* ===== Variables ===== */
:root {
  --color-bg: #fafbfc;
  --color-surface: #ffffff;
  --color-text: #1e293b;
  --color-text-muted: #64748b;
  --color-primary: #0d9488;
  --color-primary-dark: #0f766e;
  --color-accent: #f59e0b;
  --color-border: #e2e8f0;
  --font-sans: 'Outfit', -apple-system, BlinkMacSystemFont, sans-serif;
  --font-serif: 'Instrument Serif', Georgia, serif;
  --radius: 12px;
  --radius-lg: 20px;
  --shadow: 0 4px 24px rgba(13, 148, 136, 0.08);
  --shadow-lg: 0 20px 50px rgba(13, 148, 136, 0.12);
  --transition: 0.25s ease;
}

/* ===== Reset & Base ===== */
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 1.6;
  color: var(--color-text);
  background: var(--color-bg);
  overflow-x: hidden;
}

img { max-width: 100%; height: auto; display: block; }
a { color: inherit; text-decoration: none; }
ul { list-style: none; margin: 0; padding: 0; }
button { font-family: inherit; cursor: pointer; border: none; background: none; }
.sr-only { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0,0,0,0); white-space: nowrap; border: 0; }

.container {
  width: 100%;
  max-width: 1120px;
  margin: 0 auto;
  padding: 0 24px;
}

/* ===== Header ===== */
.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--color-border);
  transition: background var(--transition), box-shadow var(--transition);
}

.header.scrolled { box-shadow: var(--shadow); }

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
}

.logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 600;
  font-size: 1.1rem;
  color: var(--color-text);
}

.logo-image {
  width: 44px;
  height: 44px;
  object-fit: contain;
  flex-shrink: 0;
  border-radius: 10px;
}

.nav-list {
  display: flex;
  align-items: center;
  gap: 32px;
}

.nav-list a {
  font-size: 0.95rem;
  font-weight: 500;
  color: var(--color-text-muted);
  transition: color var(--transition);
}

.nav-list a:hover { color: var(--color-primary); }

.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 6px;
  padding: 8px;
}

.nav-toggle span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--color-text);
  border-radius: 1px;
}

/* ===== Buttons ===== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 12px 24px;
  font-size: 0.95rem;
  font-weight: 600;
  border-radius: var(--radius);
  transition: background var(--transition), color var(--transition), transform 0.15s ease;
}

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

.btn-primary {
  background: var(--color-primary);
  color: #fff;
}

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

.btn-secondary {
  background: transparent;
  color: var(--color-primary);
  border: 2px solid var(--color-primary);
}

.btn-secondary:hover {
  background: var(--color-primary);
  color: #fff;
}

.btn-cta {
  background: var(--color-primary);
  color: #fff;
  padding: 10px 20px;
  font-size: 0.9rem;
}

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

.btn-lg { padding: 16px 32px; font-size: 1rem; }

.btn-whatsapp {
  background: #25d366;
  color: #fff;
}

.btn-whatsapp:hover {
  background: #1faa56;
}

/* ===== Hero ===== */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding: 120px 0 80px;
}

.hero-bg {
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse 80% 50% at 50% 0%, rgba(13, 148, 136, 0.12) 0%, transparent 55%),
    radial-gradient(ellipse 60% 40% at 80% 60%, rgba(245, 158, 11, 0.06) 0%, transparent 50%),
    var(--color-bg);
  z-index: -1;
}

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

.hero-badge {
  display: inline-block;
  padding: 8px 16px;
  margin-bottom: 24px;
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--color-primary);
  background: rgba(13, 148, 136, 0.1);
  border-radius: 100px;
}

.hero-title {
  margin: 0 0 20px;
  font-family: var(--font-serif);
  font-size: clamp(2.5rem, 6vw, 4rem);
  font-weight: 400;
  line-height: 1.15;
  color: var(--color-text);
}

.hero-title-line { display: block; }

.hero-title-accent {
  display: block;
  color: var(--color-primary);
  font-style: italic;
}

.hero-desc {
  max-width: 520px;
  margin: 0 0 32px;
  font-size: 1.1rem;
  color: var(--color-text-muted);
  line-height: 1.7;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
}

.hero-scroll {
  position: absolute;
  bottom: 32px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 4px;
  font-size: 0.8rem;
  color: var(--color-text-muted);
}

.scroll-arrow {
  animation: bounce 2s infinite;
}

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

/* ===== Sections ===== */
.section {
  padding: 80px 0;
}

.section:nth-child(even) { background: var(--color-surface); }

.section-title {
  margin: 0 0 12px;
  font-family: var(--font-serif);
  font-size: clamp(1.75rem, 4vw, 2.25rem);
  font-weight: 400;
  color: var(--color-text);
}

.section-desc {
  max-width: 560px;
  margin: 0 0 48px;
  font-size: 1.05rem;
  color: var(--color-text-muted);
}

/* ===== Cards (Neden Biz) ===== */
.cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 24px;
}

.card {
  padding: 28px;
  background: var(--color-surface);
  border-radius: var(--radius-lg);
  border: 1px solid var(--color-border);
  box-shadow: var(--shadow);
  transition: transform var(--transition), box-shadow var(--transition);
}

.card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
}

.card-num {
  display: block;
  margin-bottom: 12px;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--color-primary);
}

.card h3 {
  margin: 0 0 10px;
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--color-text);
}

.card p {
  margin: 0;
  font-size: 0.95rem;
  color: var(--color-text-muted);
  line-height: 1.6;
}

/* ===== Brands ===== */
.brand-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}

.brand-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 32px 20px;
  background: var(--color-surface);
  border-radius: var(--radius);
  border: 1px solid var(--color-border);
  text-align: center;
  transition: border-color var(--transition), box-shadow var(--transition);
}

.brand-item:hover {
  border-color: var(--color-primary);
  box-shadow: var(--shadow);
}

.brand-name {
  font-weight: 600;
  font-size: 1.15rem;
  color: var(--color-text);
}

.brand-origin {
  margin-top: 4px;
  font-size: 0.8rem;
  color: var(--color-text-muted);
}

/* ===== Products ===== */
.product-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
  margin-bottom: 48px;
}

.product-card {
  padding: 28px 24px;
  background: var(--color-surface);
  border-radius: var(--radius-lg);
  border: 1px solid var(--color-border);
  transition: border-color var(--transition), box-shadow var(--transition);
}

.product-card:hover {
  border-color: var(--color-primary);
  box-shadow: var(--shadow);
}

.product-type {
  display: inline-block;
  padding: 4px 10px;
  margin-bottom: 12px;
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--color-primary);
  background: rgba(13, 148, 136, 0.1);
  border-radius: 6px;
}

.product-card h3 {
  margin: 0 0 8px;
  font-size: 1.05rem;
  font-weight: 600;
}

.product-card p {
  margin: 0;
  font-size: 0.9rem;
  color: var(--color-text-muted);
  line-height: 1.5;
}

.audience-row {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 32px;
}

.audience-item {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 16px 24px;
  background: rgba(13, 148, 136, 0.06);
  border-radius: var(--radius);
  font-weight: 500;
  color: var(--color-text);
}

.audience-icon { font-size: 1.5rem; }

/* ===== Services ===== */
.service-list {
  display: grid;
  gap: 24px;
  max-width: 640px;
}

.service-list li {
  display: flex;
  gap: 20px;
  align-items: flex-start;
}

.service-dot {
  flex-shrink: 0;
  width: 12px;
  height: 12px;
  margin-top: 8px;
  background: var(--color-primary);
  border-radius: 50%;
}

.service-list strong {
  display: block;
  margin-bottom: 4px;
  font-size: 1.05rem;
  color: var(--color-text);
}

.service-list p {
  margin: 0;
  font-size: 0.95rem;
  color: var(--color-text-muted);
}

/* ===== CTA Block ===== */
.cta-block {
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
  color: #fff;
  text-align: center;
}

.cta-block .section-title,
.cta-block .section-desc { color: inherit; }

.cta-title {
  margin: 0 0 12px;
  font-family: var(--font-serif);
  font-size: clamp(1.75rem, 4vw, 2.25rem);
  font-weight: 400;
}

.cta-desc {
  margin: 0 0 28px;
  opacity: 0.95;
  max-width: 480px;
  margin-left: auto;
  margin-right: auto;
}

.cta-block .btn-primary {
  background: #fff;
  color: var(--color-primary);
}

.cta-block .btn-primary:hover {
  background: rgba(255, 255, 255, 0.9);
}

/* ===== Contact ===== */
.contact-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 24px;
  margin-bottom: 48px;
}

.contact-card {
  padding: 28px;
  background: var(--color-surface);
  border-radius: var(--radius-lg);
  border: 1px solid var(--color-border);
}

.contact-icon {
  display: block;
  font-size: 1.75rem;
  margin-bottom: 12px;
}

.contact-card h3 {
  margin: 0 0 8px;
  font-size: 1rem;
  font-weight: 600;
  color: var(--color-text);
}

.contact-card p {
  margin: 0;
  font-size: 0.95rem;
  color: var(--color-text-muted);
}

.contact-card a {
  color: var(--color-primary);
  font-weight: 500;
}

.contact-card a:hover { text-decoration: underline; }

.contact-form-wrap {
  max-width: 480px;
  padding: 32px;
  background: var(--color-surface);
  border-radius: var(--radius-lg);
  border: 1px solid var(--color-border);
  margin-bottom: 24px;
}

.contact-form-wrap h3 {
  margin: 0 0 8px;
  font-size: 1.2rem;
  font-weight: 600;
}

.contact-form-wrap > p {
  margin: 0 0 20px;
  color: var(--color-text-muted);
  font-size: 0.95rem;
}

.contact-form {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.contact-form input {
  flex: 1;
  min-width: 140px;
  padding: 12px 16px;
  font-family: inherit;
  font-size: 1rem;
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  background: var(--color-bg);
  transition: border-color var(--transition);
}

.contact-form input:focus {
  outline: none;
  border-color: var(--color-primary);
}

.form-note {
  margin-top: 12px;
  font-size: 0.8rem;
  color: var(--color-text-muted);
}

.map-wrap {
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid var(--color-border);
  min-height: 320px;
  background: var(--color-surface);
}

.map-wrap iframe {
  width: 100%;
  height: 360px;
  border: 0;
  display: block;
}

/* ===== FAQ ===== */
.faq-list {
  display: grid;
  gap: 12px;
  max-width: 780px;
}

.faq-list details {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 16px 18px;
}

.faq-list summary {
  cursor: pointer;
  font-weight: 600;
  color: var(--color-text);
}

.faq-list p {
  margin: 10px 0 0;
  color: var(--color-text-muted);
}

/* ===== Floating WhatsApp ===== */
.floating-whatsapp {
  position: fixed;
  right: 18px;
  bottom: 18px;
  z-index: 120;
  background: #25d366;
  color: #fff;
  padding: 11px 15px;
  border-radius: 999px;
  font-weight: 600;
  font-size: 0.9rem;
  box-shadow: 0 8px 20px rgba(37, 211, 102, 0.35);
}

.floating-whatsapp:hover {
  background: #1faa56;
}

/* ===== Footer ===== */
.footer {
  padding: 40px 0 24px;
  background: var(--color-text);
  color: #94a3b8;
}

.footer-top {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  margin-bottom: 32px;
  padding-bottom: 24px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.footer .logo { color: #fff; }

.footer .logo-image {
  background: #fff;
  padding: 2px;
}

.footer-nav {
  display: flex;
  flex-wrap: wrap;
  gap: 24px;
}

.footer-nav a {
  color: #94a3b8;
  font-size: 0.95rem;
}

.footer-nav a:hover { color: #fff; }

.footer-bottom p {
  margin: 0;
  font-size: 0.9rem;
  color: #64748b;
}

/* ===== Responsive ===== */
@media (max-width: 900px) {
  .brand-grid,
  .product-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 768px) {
  .nav,
  .btn-cta { display: none; }

  .nav-toggle { display: flex; }

  .nav.open {
    display: block;
    position: absolute;
    top: 72px;
    left: 0;
    right: 0;
    background: var(--color-surface);
    border-bottom: 1px solid var(--color-border);
    padding: 24px;
  }

  .nav.open .nav-list {
    flex-direction: column;
    align-items: flex-start;
    gap: 16px;
  }

  .hero { padding: 100px 0 60px; }

  .hero-actions { flex-direction: column; }

  .hero-actions .btn { width: 100%; }

  .floating-whatsapp {
    right: 14px;
    bottom: 14px;
    font-size: 0.85rem;
    padding: 10px 12px;
  }

  .section { padding: 56px 0; }

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

  .brand-grid,
  .product-grid { grid-template-columns: 1fr; }

  .audience-row { flex-direction: column; }

  .contact-form { flex-direction: column; }

  .contact-form input { min-width: 100%; }

  .footer-top { flex-direction: column; align-items: flex-start; }
}

@media (max-width: 480px) {
  .container { padding: 0 20px; }

  .hero-title { font-size: 2rem; }
}