/* ============================================
   TUNSAN DEMIR METAL - Tek Sayfa Modern Site
   ============================================ */

/* --- CSS Degiskenleri --- */
:root {
  --primary: #111111;
  --primary-light: #2a2a2a;
  --secondary: #333333;
  --secondary-dark: #1a1a1a;
  --accent: #c8a96e;
  --accent-light: #dfc599;
  --dark: #000000;
  --gray-900: #111111;
  --gray-800: #1a1a1a;
  --gray-700: #444444;
  --gray-600: #666666;
  --gray-500: #888888;
  --gray-400: #aaaaaa;
  --gray-300: #cccccc;
  --gray-200: #e5e5e5;
  --gray-100: #f5f5f5;
  --white: #ffffff;
  --shadow-sm: 0 1px 3px rgba(0,0,0,0.08);
  --shadow-md: 0 4px 15px rgba(0,0,0,0.1);
  --shadow-lg: 0 10px 40px rgba(0,0,0,0.15);
  --shadow-xl: 0 20px 60px rgba(0,0,0,0.2);
  --radius-sm: 8px;
  --radius-md: 16px;
  --radius-lg: 24px;
  --radius-xl: 50px;
  --transition: all 0.35s cubic-bezier(0.4, 0, 0.2, 1);
  --font-primary: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --font-heading: 'Plus Jakarta Sans', 'Inter', sans-serif;
  --container-max: 1200px;
  --header-height: 130px;
}

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

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

body {
  font-family: var(--font-primary);
  color: var(--white);
  line-height: 1.7;
  background-color: #080808;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

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

ul, ol {
  list-style: none;
}

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

button {
  border: none;
  cursor: pointer;
  font-family: inherit;
  transition: var(--transition);
}

input, textarea, select {
  font-family: inherit;
  font-size: inherit;
}

/* --- Container --- */
.container {
  width: 100%;
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 24px;
}

/* --- Section Base --- */
.section {
  padding: 120px 0;
}

.section-header {
  text-align: center;
  margin-bottom: 64px;
}

.section-subtitle {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 5px;
  color: var(--accent);
  margin-bottom: 16px;
  position: relative;
  padding: 0 24px;
}

.section-subtitle::before,
.section-subtitle::after {
  content: '';
  position: absolute;
  top: 50%;
  width: 40px;
  height: 1px;
  background: var(--accent);
  opacity: 0.4;
}

.section-subtitle::before {
  left: -28px;
}

.section-subtitle::after {
  right: -28px;
}

.section-title {
  font-family: var(--font-heading);
  font-size: 2.8rem;
  font-weight: 800;
  color: var(--white);
  line-height: 1.15;
  margin-bottom: 16px;
  letter-spacing: -0.02em;
}

.section-desc {
  font-size: 1.05rem;
  color: rgba(255,255,255,0.5);
  max-width: 550px;
  margin: 0 auto;
  font-weight: 300;
}

/* --- Butonlar --- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 14px 36px;
  font-size: 0.9rem;
  font-weight: 600;
  border-radius: var(--radius-xl);
  transition: var(--transition);
  cursor: pointer;
  border: 2px solid transparent;
  text-align: center;
  justify-content: center;
  letter-spacing: 0.3px;
}

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

.btn-primary:hover {
  background: var(--accent);
  border-color: var(--accent);
  color: var(--dark);
  transform: translateY(-3px);
  box-shadow: 0 12px 30px rgba(200, 169, 110, 0.3);
}

.btn-outline {
  background: transparent;
  color: var(--white);
  border-color: rgba(255,255,255,0.3);
}

.btn-outline:hover {
  background: var(--white);
  color: var(--dark);
  border-color: var(--white);
  transform: translateY(-3px);
}

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

.btn-dark:hover {
  background: var(--accent);
  border-color: var(--accent);
  color: var(--dark);
  transform: translateY(-3px);
  box-shadow: 0 12px 30px rgba(200, 169, 110, 0.3);
}

.btn-lg {
  padding: 18px 44px;
  font-size: 0.95rem;
}

/* ============================================
   HEADER & NAVIGASYON
   ============================================ */
.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  height: var(--header-height);
  transition: var(--transition);
  background: transparent;
}

.header.scrolled {
  height: 80px;
  background: rgba(8, 8, 8, 0.92);
  backdrop-filter: blur(24px);
  -webkit-backdrop-filter: blur(24px);
  box-shadow: 0 1px 0 rgba(255,255,255,0.04);
}

.header .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
}

.logo {
  display: flex;
  align-items: center;
  gap: 12px;
  z-index: 1001;
}

.logo-img {
  height: 150px;
  width: auto;
  object-fit: contain;
  filter: brightness(10) invert(0);
  transition: var(--transition);
}

.header:not(.scrolled) .logo-img {
  height: 160px;
}

.header.scrolled .logo-img {
  height: 100px;
}

.footer .logo-img {
  height: 160px;
  filter: brightness(10) invert(0);
}

.nav {
  display: flex;
  align-items: center;
  gap: 6px;
}

.nav-link {
  padding: 8px 20px;
  font-size: 0.88rem;
  font-weight: 500;
  color: rgba(255,255,255,0.7);
  border-radius: var(--radius-xl);
  position: relative;
  letter-spacing: 0.3px;
}

.nav-link:hover,
.nav-link.active {
  color: var(--white);
  background: rgba(255,255,255,0.08);
}

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

.nav-cta {
  margin-left: 16px;
}

.nav-cta .btn {
  padding: 10px 26px;
  font-size: 0.82rem;
  border-radius: var(--radius-xl);
}

/* Hamburger */
.hamburger {
  display: none;
  flex-direction: column;
  gap: 6px;
  padding: 8px;
  background: none;
  z-index: 1001;
  cursor: pointer;
}

.hamburger span {
  display: block;
  width: 26px;
  height: 2px;
  background: var(--white);
  border-radius: 2px;
  transition: var(--transition);
}

.hamburger.active span:nth-child(1) {
  transform: rotate(45deg) translate(6px, 6px);
}

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

.hamburger.active span:nth-child(3) {
  transform: rotate(-45deg) translate(6px, -6px);
}

/* ============================================
   HERO SECTION
   ============================================ */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  overflow: hidden;
  background: var(--dark);
}

.hero-video-bg {
  position: absolute;
  inset: 0;
  z-index: 1;
}

.hero-video-bg video {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.hero-overlay {
  position: absolute;
  inset: 0;
  z-index: 2;
  background: linear-gradient(
    160deg,
    rgba(0, 0, 0, 0.85) 0%,
    rgba(0, 0, 0, 0.55) 40%,
    rgba(0, 0, 0, 0.75) 100%
  );
}

.hero-content {
  position: relative;
  z-index: 3;
  max-width: 700px;
  padding: 140px 0 80px;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(200, 169, 110, 0.1);
  border: 1px solid rgba(200, 169, 110, 0.25);
  color: var(--accent);
  padding: 8px 22px;
  border-radius: var(--radius-xl);
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 2px;
  text-transform: uppercase;
  margin-bottom: 32px;
}

.hero-title {
  font-family: var(--font-heading);
  font-size: 3.8rem;
  font-weight: 900;
  color: var(--white);
  line-height: 1.08;
  padding-top:80px;
  margin-bottom: 24px;
  letter-spacing: -0.03em;
}

.hero-title span {
  background: linear-gradient(135deg, var(--accent) 0%, var(--accent-light) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  font-style: italic;
}

.hero-desc {
  font-size: 1.1rem;
  color: rgba(255,255,255,0.6);
  line-height: 1.8;
  margin-bottom: 40px;
  max-width: 520px;
  font-weight: 300;
}

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

.hero-stats {
  position: relative;
  z-index: 3;
  display: flex;
  gap: 56px;
  margin-top: 72px;
  padding-top: 40px;
  border-top: 1px solid rgba(255,255,255,0.08);
}

.hero-stat {
  text-align: left;
}

.hero-stat-number {
  font-family: var(--font-heading);
  font-size: 2.8rem;
  font-weight: 800;
  color: var(--white);
  line-height: 1;
}

.hero-stat-label {
  font-size: 0.82rem;
  color: rgba(255,255,255,0.45);
  margin-top: 8px;
  font-weight: 400;
  letter-spacing: 0.5px;
}

/* Scroll Indicator */
.scroll-indicator {
  position: absolute;
  bottom: 40px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 3;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
}

.scroll-line {
  width: 1px;
  height: 60px;
  background: linear-gradient(to bottom, var(--accent), transparent);
  animation: scrollPulse 2s ease-in-out infinite;
}

@keyframes scrollPulse {
  0%, 100% { opacity: 0.3; height: 60px; }
  50% { opacity: 1; height: 80px; }
}

/* ============================================
   HAKKIMIZDA / ABOUT SECTION
   ============================================ */
.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: center;
}

.about-image {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
}

.about-image img {
  width: 100%;
  height: 450px;
  object-fit: cover;
  border-radius: var(--radius-lg);
}

.about-image-badge {
  position: absolute;
  bottom: 28px;
  right: 28px;
  background: rgba(0, 0, 0, 0.8);
  backdrop-filter: blur(16px);
  color: var(--white);
  padding: 18px 28px;
  border-radius: var(--radius-md);
  text-align: center;
  border: 1px solid rgba(255,255,255,0.08);
}

.about-image-badge .number {
  font-family: var(--font-heading);
  font-size: 2rem;
  font-weight: 800;
  line-height: 1;
  color: var(--accent);
}

.about-image-badge .text {
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 2px;
  margin-top: 4px;
  color: rgba(255,255,255,0.6);
}

.about-text .section-subtitle {
  text-align: left;
  padding-left: 0;
}

.about-text .section-subtitle::before {
  display: none;
}

.about-text .section-title {
  text-align: left;
  font-size: 2.4rem;
}

.about-text p {
  color: rgba(255,255,255,0.5);
  margin-bottom: 20px;
  font-size: 1rem;
  font-weight: 300;
  line-height: 1.8;
}

.about-features {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 14px;
  margin-top: 32px;
}

.about-feature {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 14px 18px;
  background: rgba(200, 169, 110, 0.06);
  border-radius: var(--radius-sm);
  border: 1px solid rgba(200, 169, 110, 0.1);
  transition: var(--transition);
}

.about-feature:hover {
  background: rgba(200, 169, 110, 0.12);
  border-color: rgba(200, 169, 110, 0.2);
}

.about-feature-icon {
  width: 36px;
  height: 36px;
  background: rgba(200, 169, 110, 0.15);
  color: var(--accent);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.about-feature span {
  font-size: 0.88rem;
  font-weight: 600;
  color: var(--white);
}

/* ============================================
   AVANTAJLAR / WHY US
   ============================================ */
.advantages {
  background: #0c0c0c;
}

.advantages-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}

.advantage-card {
  background: rgba(255,255,255,0.02);
  padding: 44px 30px;
  border-radius: var(--radius-md);
  text-align: center;
  border: 1px solid rgba(255,255,255,0.04);
  transition: var(--transition);
  position: relative;
  overflow: hidden;
}

.advantage-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: linear-gradient(90deg, transparent, var(--accent), transparent);
  transform: scaleX(0);
  transition: var(--transition);
}

.advantage-card:hover {
  transform: translateY(-8px);
  border-color: rgba(200, 169, 110, 0.15);
  box-shadow: 0 24px 48px rgba(0,0,0,0.4);
  background: rgba(200, 169, 110, 0.04);
}

.advantage-card:hover::before {
  transform: scaleX(1);
}

.advantage-icon {
  width: 72px;
  height: 72px;
  margin: 0 auto 24px;
  background: rgba(200, 169, 110, 0.08);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--accent);
  transition: var(--transition);
}

.advantage-card:hover .advantage-icon {
  background: var(--accent);
  color: var(--dark);
  transform: scale(1.08);
  border-radius: var(--radius-lg);
}

.advantage-title {
  font-family: var(--font-heading);
  font-size: 1.08rem;
  font-weight: 700;
  color: var(--white);
  margin-bottom: 12px;
}

.advantage-desc {
  font-size: 0.88rem;
  color: rgba(255,255,255,0.45);
  line-height: 1.7;
  font-weight: 300;
}

/* ============================================
   URUNLER / PRODUCTS
   ============================================ */
.products-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 24px;
}

.product-card {
  background: rgba(255,255,255,0.02);
  border-radius: var(--radius-md);
  overflow: hidden;
  transition: var(--transition);
  border: 1px solid rgba(255,255,255,0.04);
}

.product-card:hover {
  transform: translateY(-8px);
  border-color: rgba(200, 169, 110, 0.15);
  box-shadow: 0 24px 48px rgba(0,0,0,0.4);
}

.product-image {
  position: relative;
  width: 100%;
  height: 200px;
  overflow: hidden;
  background: #111;
}

.product-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.6s ease;
}

.product-card:hover .product-image img {
  transform: scale(1.1);
}

.product-image-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(0,0,0,0.6) 0%, transparent 50%);
  opacity: 0;
  transition: var(--transition);
}

.product-card:hover .product-image-overlay {
  opacity: 1;
}

.product-info {
  padding: 22px;
}

.product-name {
  font-family: var(--font-heading);
  font-size: 1.02rem;
  font-weight: 700;
  color: var(--white);
  margin-bottom: 8px;
}

.product-desc {
  font-size: 0.85rem;
  color: rgba(255,255,255,0.45);
  line-height: 1.6;
  margin-bottom: 16px;
  font-weight: 300;
}

.product-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--accent);
  letter-spacing: 0.3px;
}

.product-link:hover {
  gap: 12px;
  color: var(--accent-light);
}

/* ============================================
   SAYACLAR / STATS
   ============================================ */
.stats {
  background: linear-gradient(135deg, #0f0f0f 0%, #080808 100%);
  padding: 100px 0;
  position: relative;
  overflow: hidden;
}

.stats::before {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, rgba(200, 169, 110, 0.04) 0%, transparent 70%);
  border-radius: 50%;
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 40px;
  position: relative;
  z-index: 2;
}

.stat-item {
  text-align: center;
}

.stat-number {
  font-family: var(--font-heading);
  font-size: 3.2rem;
  font-weight: 800;
  color: var(--white);
  line-height: 1;
  margin-bottom: 10px;
}

.stat-label {
  font-size: 0.9rem;
  color: rgba(255,255,255,0.45);
  font-weight: 400;
  letter-spacing: 0.5px;
}

/* ============================================
   CTA BANNER
   ============================================ */
.cta-banner {
  background: linear-gradient(135deg, #141414 0%, #0a0a0a 100%);
  padding: 100px 0;
  text-align: center;
  position: relative;
  overflow: hidden;
}

.cta-banner::before {
  content: '';
  position: absolute;
  top: -30%;
  left: 50%;
  transform: translateX(-50%);
  width: 500px;
  height: 500px;
  background: radial-gradient(circle, rgba(200, 169, 110, 0.06) 0%, transparent 70%);
  border-radius: 50%;
}

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

.cta-title {
  font-family: var(--font-heading);
  font-size: 2.5rem;
  font-weight: 800;
  color: var(--white);
  margin-bottom: 16px;
  letter-spacing: -0.02em;
}

.cta-desc {
  font-size: 1.05rem;
  color: rgba(255,255,255,0.5);
  max-width: 500px;
  margin: 0 auto 36px;
  font-weight: 300;
}

.cta-buttons {
  display: flex;
  gap: 16px;
  justify-content: center;
  flex-wrap: wrap;
}

/* ============================================
   ILETISIM / CONTACT
   ============================================ */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 50px;
  margin-bottom: 64px;
}

.contact-info-cards {
  display: flex;
  flex-direction: column;
  gap: 18px;
}

.contact-card {
  display: flex;
  align-items: flex-start;
  gap: 18px;
  padding: 26px;
  background: rgba(255,255,255,0.02);
  border-radius: var(--radius-md);
  border: 1px solid rgba(255,255,255,0.04);
  transition: var(--transition);
}

.contact-card:hover {
  border-color: rgba(200, 169, 110, 0.15);
  background: rgba(200, 169, 110, 0.04);
}

.contact-card-icon {
  width: 52px;
  height: 52px;
  background: rgba(200, 169, 110, 0.1);
  color: var(--accent);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.contact-card-title {
  font-family: var(--font-heading);
  font-size: 0.98rem;
  font-weight: 700;
  color: var(--white);
  margin-bottom: 6px;
}

.contact-card-text {
  font-size: 0.9rem;
  color: rgba(255,255,255,0.5);
  line-height: 1.6;
  font-weight: 300;
}

.contact-card-text a {
  color: var(--accent);
  font-weight: 600;
}

.contact-card-text a:hover {
  color: var(--accent-light);
}

/* Form */
.contact-form {
  background: rgba(255,255,255,0.02);
  padding: 40px;
  border-radius: var(--radius-md);
  border: 1px solid rgba(255,255,255,0.04);
}

.contact-form h3 {
  font-family: var(--font-heading);
  font-size: 1.3rem;
  font-weight: 700;
  color: var(--white);
  margin-bottom: 28px;
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
  margin-bottom: 16px;
}

.form-group {
  margin-bottom: 16px;
}

.form-group label {
  display: block;
  font-size: 0.85rem;
  font-weight: 500;
  color: rgba(255,255,255,0.6);
  margin-bottom: 8px;
}

.form-group input,
.form-group textarea,
.form-group select {
  width: 100%;
  padding: 14px 18px;
  border: 1px solid rgba(255,255,255,0.08);
  border-radius: var(--radius-sm);
  font-size: 0.92rem;
  color: var(--white);
  background-color: #141414;
  transition: var(--transition);
  outline: none;
}

.form-group select {
  -webkit-appearance: none;
  -moz-appearance: none;
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 24 24' fill='none' stroke='%23999' stroke-width='2'%3E%3Cpolyline points='6 9 12 15 18 9'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 16px center;
  padding-right: 44px;
  cursor: pointer;
}

.form-group select option {
  background-color: #1a1a1a;
  color: #ffffff;
  padding: 12px;
}

.form-group input::placeholder,
.form-group textarea::placeholder {
  color: rgba(255,255,255,0.3);
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
  border-color: var(--accent);
  background-color: #181510;
  box-shadow: 0 0 0 3px rgba(200, 169, 110, 0.08);
}

.form-group textarea {
  resize: vertical;
  min-height: 120px;
}

.form-submit {
  width: 100%;
}

/* Map */
.map-wrapper {
  margin-top: 16px;
}

.map-container {
  width: 100%;
  height: 350px;
  border-radius: var(--radius-md);
  overflow: hidden;
  border: 1px solid rgba(255,255,255,0.04);
}

.map-container iframe {
  width: 100%;
  height: 100%;
  border: 0;
  filter: grayscale(0.6) brightness(0.8);
  transition: var(--transition);
}

.map-container:hover iframe {
  filter: grayscale(0) brightness(1);
}

/* ============================================
   FOOTER
   ============================================ */
.footer {
  background: #050505;
  color: rgba(255,255,255,0.5);
  padding-top: 64px;
}

.footer-simple {
  text-align: center;
  padding-bottom: 40px;
  border-bottom: 1px solid rgba(255,255,255,0.06);
}

.footer-brand-center .logo {
  display: inline-flex;
  margin-bottom: 20px;
}

.footer-brand-center p {
  font-size: 0.92rem;
  line-height: 1.7;
  color: rgba(255,255,255,0.4);
  max-width: 400px;
  margin: 0 auto 28px;
  font-weight: 300;
}

.footer-nav {
  display: flex;
  justify-content: center;
  gap: 32px;
  flex-wrap: wrap;
}

.footer-nav a {
  font-size: 0.88rem;
  color: rgba(255,255,255,0.5);
  font-weight: 500;
  letter-spacing: 0.3px;
}

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

.footer-bottom {
  padding: 24px 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 0.8rem;
  color: rgba(255,255,255,0.3);
}

.footer-bottom a {
  color: rgba(255,255,255,0.5);
}

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

/* ============================================
   WHATSAPP FLOATING BUTTON
   ============================================ */
.whatsapp-float {
  position: fixed;
  bottom: 28px;
  right: 28px;
  z-index: 999;
  width: 58px;
  height: 58px;
  border-radius: 50%;
  background: #25D366;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 6px 24px rgba(37, 211, 102, 0.35);
  transition: var(--transition);
  animation: whatsappPulse 2.5s infinite;
}

.whatsapp-float:hover {
  transform: scale(1.1);
  box-shadow: 0 8px 32px rgba(37, 211, 102, 0.5);
}

.whatsapp-float svg {
  width: 28px;
  height: 28px;
  fill: var(--white);
}

@keyframes whatsappPulse {
  0%, 100% { box-shadow: 0 6px 24px rgba(37, 211, 102, 0.35); }
  50% { box-shadow: 0 6px 36px rgba(37, 211, 102, 0.55); }
}

/* ============================================
   BACK TO TOP
   ============================================ */
.back-to-top {
  position: fixed;
  bottom: 96px;
  right: 32px;
  z-index: 998;
  width: 42px;
  height: 42px;
  border-radius: 50%;
  background: rgba(255,255,255,0.08);
  backdrop-filter: blur(12px);
  color: var(--white);
  display: flex;
  align-items: center;
  justify-content: center;
  border: 1px solid rgba(255,255,255,0.1);
  opacity: 0;
  visibility: hidden;
  transform: translateY(20px);
  transition: var(--transition);
}

.back-to-top.visible {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.back-to-top:hover {
  background: var(--accent);
  border-color: var(--accent);
  color: var(--dark);
  transform: translateY(-3px);
}

/* ============================================
   ANIMASYONLAR
   ============================================ */
.fade-in {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}

.fade-in.visible {
  opacity: 1;
  transform: translateY(0);
}

.fade-in-left {
  opacity: 0;
  transform: translateX(-50px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}

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

.fade-in-right {
  opacity: 0;
  transform: translateX(50px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}

.fade-in-right.visible {
  opacity: 1;
  transform: translateX(0);
}

.scale-in {
  opacity: 0;
  transform: scale(0.9);
  transition: opacity 0.5s ease, transform 0.5s ease;
}

.scale-in.visible {
  opacity: 1;
  transform: scale(1);
}

/* Stagger delay */
.delay-1 { transition-delay: 0.1s; }
.delay-2 { transition-delay: 0.2s; }
.delay-3 { transition-delay: 0.3s; }
.delay-4 { transition-delay: 0.4s; }
.delay-5 { transition-delay: 0.5s; }
.delay-6 { transition-delay: 0.6s; }

/* ============================================
   LOADING SCREEN
   ============================================ */
.loader {
  position: fixed;
  inset: 0;
  background: #080808;
  z-index: 9999;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: opacity 0.6s ease, visibility 0.6s ease;
}

.loader.hidden {
  opacity: 0;
  visibility: hidden;
}

.loader-content {
  text-align: center;
}

.loader-spinner {
  width: 44px;
  height: 44px;
  border: 2px solid rgba(200, 169, 110, 0.15);
  border-top-color: var(--accent);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
  margin: 0 auto 20px;
}

.loader-text {
  color: var(--accent);
  font-family: var(--font-heading);
  font-size: 0.9rem;
  font-weight: 700;
  letter-spacing: 6px;
  text-transform: uppercase;
}

@keyframes spin {
  to { transform: rotate(360deg); }
}

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

/* Tablet */
@media (max-width: 1024px) {
  .section {
    padding: 80px 0;
  }

  .section-title {
    font-size: 2.2rem;
  }

  .hero-title {
    font-size: 3rem;
  }

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

  .stats-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 30px;
  }

  .about-grid {
    gap: 50px;
  }
}

/* Mobile */
@media (max-width: 768px) {
  :root {
    --header-height: 110px;
  }

  .logo-img,
  .header:not(.scrolled) .logo-img {
    height: 130px;
  }

  .header.scrolled .logo-img {
    height: 85px;
  }

  .footer .logo-img {
    height: 140px;
  }

  .hamburger {
    display: flex;
  }

  .nav {
    position: fixed;
    top: 0;
    right: -100%;
    width: 85%;
    max-width: 340px;
    height: 100vh;
    height: 100dvh;
    background: rgba(8, 8, 8, 0.98);
    backdrop-filter: blur(20px);
    flex-direction: column;
    align-items: flex-start;
    padding: 100px 32px 32px;
    gap: 0;
    transition: right 0.35s ease;
    box-shadow: -16px 0 48px rgba(0,0,0,0.5);
  }

  .nav.active {
    right: 0;
  }

  .nav-link {
    width: 100%;
    padding: 16px 0;
    font-size: 1.05rem;
    border-bottom: 1px solid rgba(255,255,255,0.04);
    border-radius: 0;
  }

  .nav-link.active::after {
    display: none;
  }

  .nav-cta {
    margin-left: 0;
    margin-top: 20px;
    width: 100%;
  }

  .nav-cta .btn {
    width: 100%;
    justify-content: center;
  }

  .mobile-overlay {
    display: none;
    position: fixed;
    inset: 0;
    background: rgba(0,0,0,0.6);
    z-index: 999;
  }

  .mobile-overlay.active {
    display: block;
  }

  .hero {
    min-height: 100svh;
  }

  .hero-content {
    padding: 80px 0 60px;
  }

  .hero-title {
    font-size: 2.2rem;
  }

  .hero-desc {
    font-size: 0.95rem;
  }

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

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

  .hero-stats {
    flex-direction: column;
    gap: 20px;
    margin-top: 48px;
  }

  .hero-stat {
    display: flex;
    align-items: center;
    gap: 14px;
  }

  .hero-stat-number {
    font-size: 2.2rem;
    min-width: 80px;
  }

  .scroll-indicator {
    display: none;
  }

  .section {
    padding: 64px 0;
  }

  .section-title {
    font-size: 1.8rem;
  }

  .section-header {
    margin-bottom: 40px;
  }

  .about-grid {
    grid-template-columns: 1fr;
    gap: 36px;
  }

  .about-image img {
    height: 280px;
  }

  .about-features {
    grid-template-columns: 1fr;
  }

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

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

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

  .contact-grid {
    grid-template-columns: 1fr;
    gap: 32px;
  }

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

  .footer-bottom {
    flex-direction: column;
    gap: 8px;
    text-align: center;
  }

  .footer-nav {
    gap: 20px;
  }

  .cta-title {
    font-size: 1.8rem;
  }

  .cta-buttons {
    flex-direction: column;
    align-items: center;
  }

  .cta-buttons .btn {
    width: 100%;
    max-width: 320px;
  }

  .whatsapp-float {
    bottom: 20px;
    right: 20px;
    width: 52px;
    height: 52px;
  }

  .back-to-top {
    bottom: 82px;
    right: 24px;
    width: 38px;
    height: 38px;
  }

  .contact-form {
    padding: 28px 20px;
  }

  .map-container {
    height: 280px;
  }
}

/* Small Mobile */
@media (max-width: 480px) {
  .hero-title {
    font-size: 1.8rem;
  }

  .hero-badge {
    font-size: 0.7rem;
    padding: 6px 16px;
  }

  .stats-grid {
    grid-template-columns: 1fr;
    gap: 24px;
  }

  .stat-number {
    font-size: 2.4rem;
  }

  .container {
    padding: 0 16px;
  }

  .section-title {
    font-size: 1.6rem;
  }

  .about-text .section-title {
    font-size: 1.6rem;
  }

  .products-grid {
    gap: 16px;
  }

  .product-image {
    height: 180px;
  }
}

@media only screen and (max-width: 768px){
    html,
    body{
    width:100%;
    overflow-x:hidden;
    }
}

/* ============================================
   PHONE CALL FLOATING BUTTON (GÜNCEL RENKLER)
   ============================================ */
.phone-float {
  position: fixed;
  bottom: 96px; /* WhatsApp'ın hemen üzerinde durması için */
  right: 28px;
  z-index: 999;
  width: 58px;
  height: 58px;
  border-radius: 50%;
  background: var(--white); /* Arka plan tam beyaz */
  color: var(--dark);       /* İkon rengi tam siyah */
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 6px 24px rgba(255, 255, 255, 0.15); /* Beyaz arka plana uygun şık gölge */
  transition: var(--transition);
  animation: phonePulse 2.5s infinite;
}

.phone-float:hover {
  transform: scale(1.1);
  background: var(--gray-100); /* Üzerine gelince çok hafif griye döner */
  box-shadow: 0 8px 32px rgba(255, 255, 255, 0.25);
  color: var(--dark);
}

.phone-float svg {
  width: 24px;
  height: 24px;
}

@keyframes phonePulse {
  0%, 100% { box-shadow: 0 6px 24px rgba(255, 255, 255, 0.15); }
  50% { box-shadow: 0 6px 36px rgba(255, 255, 255, 0.3); } /* Beyaz dalgalanma efekti */
}

/* --- Back to Top Butonunu Yukarı Kaydırma --- */
.back-to-top {
  bottom: 168px !important;
}

/* ============================================
   RESPONSIVE ADJUSTMENTS
   ============================================ */
@media (max-width: 768px) {
  .phone-float {
    bottom: 82px; 
    right: 20px;
    width: 52px;
    height: 52px;
  }
  
  .back-to-top {
    bottom: 144px !important;
  }
}