/* ========================================
   DALGA KIRAN - Design System
   ======================================== */

@import url('https://fonts.googleapis.com/css2?family=Montserrat:wght@300;400;500;600;700;800;900&display=swap');

/* --- CSS Variables --- */
:root {
  --primary: #E30613;
  --primary-dark: #b80410;
  --dark: #1a1a1a;
  --dark-2: #222;
  --gray: #666;
  --light-gray: #f5f5f5;
  --border: #e0e0e0;
  --white: #ffffff;
  --transition: 0.35s cubic-bezier(0.4, 0, 0.2, 1);
  --shadow-sm: 0 2px 12px rgba(0, 0, 0, 0.08);
  --shadow-md: 0 6px 30px rgba(0, 0, 0, 0.14);
  --shadow-lg: 0 16px 60px rgba(0, 0, 0, 0.18);
  --header-height: 80px;
  --font-main: 'Montserrat', sans-serif;
}

/* --- Reset & Base --- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; font-size: 16px; }
body { font-family: var(--font-main); color: var(--dark); background: var(--white); overflow-x: hidden; }
a { text-decoration: none; color: inherit; }
ul { list-style: none; }
img { max-width: 100%; display: block; }
button { font-family: var(--font-main); cursor: pointer; border: none; background: none; }

/* --- Typography --- */
h1, h2, h3, h4, h5, h6 { font-weight: 700; line-height: 1.2; }
.section-tag {
  display: inline-block;
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 3px;
  text-transform: uppercase;
  color: var(--primary);
  margin-bottom: 10px;
}
.section-title {
  font-size: clamp(1.6rem, 3vw, 2.4rem);
  font-weight: 800;
  text-transform: uppercase;
  color: var(--dark);
  line-height: 1.15;
}
.section-subtitle {
  margin-top: 12px;
  color: var(--gray);
  font-size: 0.95rem;
  font-weight: 400;
  max-width: 540px;
}

/* --- Utilities --- */
.container { max-width: 1280px; margin: 0 auto; padding: 0 40px; }
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 13px 30px;
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  border-radius: 3px;
  transition: all var(--transition);
  cursor: pointer;
}
.btn-primary {
  background: var(--primary);
  color: var(--white);
}
.btn-primary:hover {
  background: var(--primary-dark);
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(227,6,19,0.30);
}
.btn-outline {
  background: transparent;
  color: var(--white);
  border: 2px solid rgba(255,255,255,0.7);
}
.btn-outline:hover {
  background: rgba(255,255,255,0.15);
  border-color: var(--white);
  transform: translateY(-2px);
}
.btn-outline-dark {
  background: transparent;
  color: var(--dark);
  border: 2px solid var(--dark);
}
.btn-outline-dark:hover {
  background: var(--dark);
  color: var(--white);
  transform: translateY(-2px);
}

/* --- Reveal Animation --- */
.reveal {
  opacity: 0;
  transform: translateY(40px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}
.reveal.revealed {
  opacity: 1;
  transform: translateY(0);
}


/* ========================================
   HEADER
   ======================================== */
.site-header {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 1000;
  height: var(--header-height);
  display: flex;
  align-items: center;
  transition: all 0.4s ease;
}
.site-header::before {
  content: '';
  position: absolute;
  inset: 0;
  background: transparent;
  transition: all 0.4s ease;
  z-index: -1;
}
.site-header.scrolled::before {
  background: rgba(15, 15, 15, 0.92);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  box-shadow: 0 2px 30px rgba(0,0,0,0.3);
}

.header-inner {
  display: flex;
  align-items: center;
  gap: 40px;
  width: 100%;
}
.logo {
  flex-shrink: 0;
  display: flex;
  align-items: center;
}
.logo-text {
  font-size: 1.5rem;
  font-weight: 900;
  color: var(--white);
  letter-spacing: -1px;
  display: flex;
  align-items: center;
  gap: 2px;
}
.logo-text span { color: var(--primary); }

.main-nav { flex: 1; }
.main-nav ul { display: flex; align-items: center; gap: 0; }
.main-nav > ul > li { position: relative; }
.main-nav > ul > li > a {
  display: block;
  padding: 28px 18px;
  font-size: 0.73rem;
  font-weight: 700;
  letter-spacing: 1px;
  text-transform: uppercase;
  color: rgba(255,255,255,0.9);
  transition: color var(--transition);
  position: relative;
}
.main-nav > ul > li > a::after {
  content: '';
  position: absolute;
  bottom: 20px; left: 18px; right: 18px;
  height: 2px;
  background: var(--primary);
  transform: scaleX(0);
  transition: transform var(--transition);
  transform-origin: left;
}
.main-nav > ul > li:hover > a::after { transform: scaleX(1); }
.main-nav > ul > li:hover > a { color: var(--white); }
/* Active Navigation Item */
.main-nav ul li a.active, 
.mobile-nav ul li a.active { 
  color: var(--primary) !important; 
}
.main-nav ul li a.active::after { 
  transform: scaleX(1) !important; 
  opacity: 1 !important;
}

/* Dropdown */
.dropdown {
  position: absolute;
  top: calc(100% - 4px);
  left: 0;
  min-width: 220px;
  background: var(--white);
  box-shadow: var(--shadow-lg);
  opacity: 0;
  visibility: hidden;
  transform: translateY(10px);
  transition: all var(--transition);
  border-top: 3px solid var(--primary);
  z-index: 100;
}
.main-nav > ul > li:hover .dropdown {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}
.dropdown li a {
  display: block;
  padding: 12px 20px;
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--dark);
  transition: all var(--transition);
  border-bottom: 1px solid var(--border);
}
.dropdown li:last-child a { border-bottom: none; }
.dropdown li a:hover {
  background: var(--light-gray);
  color: var(--primary);
  padding-left: 26px;
}

/* Header actions */
.header-actions {
  display: flex;
  align-items: center;
  gap: 16px;
  margin-left: auto;
}
.header-actions a {
  color: rgba(255,255,255,0.8);
  font-size: 0.73rem;
  font-weight: 700;
  letter-spacing: 1px;
  text-transform: uppercase;
  transition: color var(--transition);
}
.header-actions a:hover { color: var(--white); }
.lang-select {
  position: relative;
  display: flex;
  align-items: center;
  gap: 6px;
  color: rgba(255,255,255,0.8);
  font-size: 0.73rem;
  font-weight: 700;
  letter-spacing: 1px;
  cursor: pointer;
  transition: all var(--transition);
  padding: 6px 12px;
  border: 1px solid rgba(255,255,255,0.2);
  border-radius: 4px;
}
.lang-select:hover {
  background: rgba(255,255,255,0.1);
  border-color: var(--primary);
  color: var(--white);
}
.lang-select i { font-size: 0.8rem; }

/* Language Dropdown */
.lang-dropdown {
  position: absolute;
  top: calc(100% + 5px);
  right: 0;
  background: var(--white);
  min-width: 100px;
  border-radius: 4px;
  box-shadow: var(--shadow-lg);
  opacity: 0;
  visibility: hidden;
  transform: translateY(10px);
  transition: all var(--transition);
  z-index: 1100;
  overflow: hidden;
  border: 1px solid var(--border);
}
.lang-select:hover .lang-dropdown {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}
.lang-option {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 10px 16px;
  color: var(--dark);
  font-size: 0.75rem;
  font-weight: 700;
  transition: all var(--transition);
  border-bottom: 1px solid var(--border);
  white-space: nowrap;
}
.lang-option:last-child { border-bottom: none; }
.lang-option:hover {
  background: var(--light-gray);
  color: var(--primary);
}
.lang-option.active {
  background: var(--light-gray);
  color: var(--primary);
}
.lang-option.active::after {
  content: '\f00c';
  font-family: 'Font Awesome 6 Free';
  font-weight: 900;
  font-size: 0.65rem;
}

/* Mobile hamburger */
.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  padding: 5px;
}
.hamburger span {
  display: block;
  width: 26px; height: 2px;
  background: var(--white);
  transition: all var(--transition);
}

/* ========================================
   HERO SECTION
   ======================================== */
.hero {
  position: relative;
  width: 100%;
  height: 100vh;
  min-height: 600px;
  overflow: hidden;
}
.hero-slider {
  width: 100%; height: 100%;
  position: relative;
}
.hero-slide {
  position: absolute;
  inset: 0;
  opacity: 0;
  pointer-events: none; /* Görünmeyen slide'lara tıklanamaması için */
  transition: opacity 1.2s ease;
}
.hero-slide.active {
  opacity: 1;
  pointer-events: auto; /* Sadece aktif olan slide'a tıklanabilmesi için */
}
.hero-bg {
  width: 100%; height: 100%;
  object-fit: cover;
  transform: scale(1.05);
  transition: transform 7s ease;
}
.hero-slide.active .hero-bg { transform: scale(1); }

.hero-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(to right, rgba(10,10,10,0.80) 0%, rgba(10,10,10,0.30) 70%, transparent 100%);
}
.hero-content {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  padding-top: var(--header-height);
}
.hero-text {
  max-width: 680px;
}
.hero-tag {
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 4px;
  text-transform: uppercase;
  color: var(--primary);
  margin-bottom: 16px;
  opacity: 0;
  transform: translateX(-30px);
  transition: all 0.8s 0.2s ease;
}
.hero-slide.active .hero-tag { opacity: 1; transform: translateX(0); }
.hero-title {
  font-size: clamp(2.2rem, 5vw, 4.2rem);
  font-weight: 900;
  color: var(--white);
  text-transform: uppercase;
  line-height: 1.05;
  margin-bottom: 20px;
  opacity: 0;
  transform: translateX(-30px);
  transition: all 0.8s 0.4s ease;
}
.hero-slide.active .hero-title { opacity: 1; transform: translateX(0); }
.hero-desc {
  font-size: 1rem;
  color: rgba(255,255,255,0.75);
  margin-bottom: 36px;
  font-weight: 400;
  line-height: 1.7;
  opacity: 0;
  transform: translateX(-30px);
  transition: all 0.8s 0.6s ease;
}
.hero-slide.active .hero-desc { opacity: 1; transform: translateX(0); }
.hero-actions {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
  opacity: 0;
  transform: translateX(-30px);
  transition: all 0.8s 0.8s ease;
}
.hero-slide.active .hero-actions { opacity: 1; transform: translateX(0); }

/* Slider controls */
.slider-controls {
  position: absolute;
  bottom: 40px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  align-items: center;
  gap: 16px;
  z-index: 10;
}
.slider-dot {
  width: 8px; height: 8px;
  border-radius: 50%;
  background: rgba(255,255,255,0.4);
  cursor: pointer;
  transition: all var(--transition);
  border: none;
}
.slider-dot.active {
  background: var(--primary);
  transform: scale(1.4);
}
.slider-arrows {
  position: absolute;
  bottom: 50%;
  transform: translateY(50%);
  width: 100%;
  display: flex;
  justify-content: space-between;
  padding: 0 24px;
  z-index: 10;
  pointer-events: none;
}
.slider-arrow {
  width: 50px; height: 50px;
  background: rgba(255,255,255,0.15);
  border: 1px solid rgba(255,255,255,0.3);
  backdrop-filter: blur(8px);
  border-radius: 50%;
  color: var(--white);
  font-size: 1.2rem;
  display: flex; align-items: center; justify-content: center;
  cursor: pointer;
  transition: all var(--transition);
  pointer-events: all;
}
.slider-arrow:hover { background: var(--primary); border-color: var(--primary); }

/* ========================================
   STATS SECTION
   ======================================== */
.stats-section {
  background: var(--dark);
  padding: 60px 0;
}
.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0;
}
.stat-item {
  text-align: center;
  padding: 30px 24px;
  border-right: 1px solid rgba(255,255,255,0.08);
  position: relative;
}
.stat-item:last-child { border-right: none; }
.stat-number {
  font-size: clamp(2.5rem, 4vw, 4rem);
  font-weight: 900;
  color: var(--white);
  line-height: 1;
  display: flex;
  align-items: flex-start;
  justify-content: center;
  gap: 2px;
}
.stat-suffix {
  font-size: clamp(1.2rem, 2vw, 2rem);
  color: var(--primary);
  font-weight: 900;
}
.stat-label {
  font-size: 0.78rem;
  color: rgba(255,255,255,0.5);
  letter-spacing: 2px;
  text-transform: uppercase;
  font-weight: 600;
  margin-top: 8px;
}

/* ========================================
   INTRO SECTION
   ======================================== */
.intro-section {
  padding: 100px 0;
  background: var(--white);
}
.intro-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: center;
}
.intro-image-wrap {
  position: relative;
  aspect-ratio: 4/3;
  overflow: hidden;
  border-radius: 4px;
}
.intro-image-wrap img {
  width: 100%; height: 100%;
  object-fit: cover;
  transition: transform 0.6s ease;
}
.intro-image-wrap:hover img { transform: scale(1.04); }
.intro-image-accent {
  position: absolute;
  bottom: -20px; right: -20px;
  width: 180px; height: 180px;
  border: 3px solid var(--primary);
  border-radius: 4px;
  z-index: -1;
}
.intro-content { padding: 20px 0; }
.intro-content .section-subtitle { font-size: 1rem; line-height: 1.8; }

/* ========================================
   PRODUCTS SECTION
   ======================================== */
.products-section {
  padding: 100px 0;
  background: var(--light-gray);
}
.products-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  margin-bottom: 40px;
  flex-wrap: wrap;
  gap: 20px;
}
.product-tabs {
  display: flex;
  gap: 0;
  border-bottom: 2px solid var(--border);
  margin-bottom: 40px;
}
.tab-btn {
  padding: 12px 24px;
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 1px;
  text-transform: uppercase;
  color: var(--gray);
  cursor: pointer;
  border-bottom: 3px solid transparent;
  margin-bottom: -2px;
  transition: all var(--transition);
  background: none;
  border-left: none; border-right: none; border-top: none;
}
.tab-btn.active, .tab-btn:hover { color: var(--primary); border-bottom-color: var(--primary); }

.product-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}
.product-card {
  background: var(--white);
  border-radius: 4px;
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  transition: all var(--transition);
  cursor: pointer;
  position: relative;
}
.product-card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-md);
}
.product-card-image {
  aspect-ratio: 4/3;
  overflow: hidden;
  background: var(--light-gray);
  display: flex;
  align-items: center;
  justify-content: center;
}
.product-card-image img {
  width: 100%; height: 100%;
  object-fit: contain;
  padding: 20px;
  transition: transform 0.5s ease;
}
.product-card:hover .product-card-image img { transform: scale(1.08); }
.product-card-body {
  padding: 20px;
  border-top: 1px solid var(--border);
}
.product-card-body h4 {
  font-size: 0.9rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  color: var(--dark);
  transition: color var(--transition);
}
.product-card:hover .product-card-body h4 { color: var(--primary); }
.product-card-body p {
  font-size: 0.78rem;
  color: var(--gray);
  margin-top: 5px;
  font-weight: 500;
}
.product-card-arrow {
  position: absolute;
  bottom: 20px; right: 20px;
  width: 34px; height: 34px;
  background: var(--primary);
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  color: var(--white);
  font-size: 0.85rem;
  opacity: 0;
  transform: scale(0.7);
  transition: all var(--transition);
}
.product-card:hover .product-card-arrow { opacity: 1; transform: scale(1); }

/* ========================================
   SERVICES SECTION
   ======================================== */
.services-section {
  padding: 100px 0;
  background: var(--dark);
  position: relative;
  overflow: hidden;
}
.services-section::before {
  content: '';
  position: absolute;
  top: 0; right: 0;
  width: 45%;
  height: 100%;
  background: var(--primary);
  clip-path: polygon(15% 0, 100% 0, 100% 100%, 0% 100%);
  opacity: 0.08;
}
.services-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
}
.services-content .section-title { color: var(--white); }
.services-content .section-subtitle { color: rgba(255,255,255,0.6); }
.services-list { margin-top: 36px; display: flex; flex-direction: column; gap: 14px; }
.service-item {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 18px 24px;
  background: rgba(255,255,255,0.04);
  border: 1px solid rgba(255,255,255,0.08);
  border-radius: 4px;
  transition: all var(--transition);
  cursor: pointer;
}
.service-item:hover {
  background: rgba(227,6,19,0.15);
  border-color: var(--primary);
  transform: translateX(6px);
}
.service-icon {
  flex-shrink: 0;
  width: 44px; height: 44px;
  background: var(--primary);
  border-radius: 4px;
  display: flex; align-items: center; justify-content: center;
  font-size: 1.1rem;
  color: var(--white);
}
.service-item h4 {
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--white);
  text-transform: uppercase;
  letter-spacing: 0.5px;
}
.service-item p {
  font-size: 0.76rem;
  color: rgba(255,255,255,0.5);
  margin-top: 3px;
  font-weight: 400;
}
.service-image-wrap {
  position: relative;
  border-radius: 4px;
  overflow: hidden;
  aspect-ratio: 3/4;
}
.service-image-wrap img { width: 100%; height: 100%; object-fit: cover; }

/* ========================================
   NEWS SECTION
   ======================================== */
.news-section {
  padding: 100px 0;
  background: var(--white);
}
.news-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  margin-bottom: 50px;
  flex-wrap: wrap;
  gap: 20px;
}
.news-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: 24px;
}
.news-card {
  position: relative;
  border-radius: 4px;
  overflow: hidden;
  cursor: pointer;
  box-shadow: var(--shadow-sm);
  transition: all var(--transition);
}
.news-card:hover { transform: translateY(-5px); box-shadow: var(--shadow-md); }
.news-card-image {
  aspect-ratio: 16/9;
  overflow: hidden;
}
.news-card.featured .news-card-image {
  aspect-ratio: 16/10;
}
.news-card-image img {
  width: 100%; height: 100%;
  object-fit: cover;
  transition: transform 0.6s ease;
}
.news-card:hover .news-card-image img { transform: scale(1.06); }
.news-card-body {
  padding: 24px;
  background: var(--white);
}
.news-card-tag {
  font-size: 0.68rem;
  font-weight: 700;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: var(--primary);
  margin-bottom: 8px;
}
.news-card-body h3 {
  font-size: 1rem;
  font-weight: 700;
  line-height: 1.4;
  color: var(--dark);
  margin-bottom: 8px;
  transition: color var(--transition);
}
.news-card:hover .news-card-body h3 { color: var(--primary); }
.news-card.featured .news-card-body h3 { font-size: 1.3rem; }
.news-card-date {
  font-size: 0.73rem;
  color: var(--gray);
  font-weight: 500;
}

/* ========================================
   CTA BANNER
   ======================================== */
.cta-section {
  padding: 80px 0;
  background: var(--primary);
  position: relative;
  overflow: hidden;
}
.cta-section::before {
  content: '';
  position: absolute;
  top: -50%; left: -10%;
  width: 600px; height: 600px;
  border-radius: 50%;
  background: rgba(0,0,0,0.07);
}
.cta-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 40px;
  flex-wrap: wrap;
  position: relative;
}
.cta-text h2 {
  font-size: clamp(1.5rem, 3vw, 2.2rem);
  font-weight: 900;
  color: var(--white);
  text-transform: uppercase;
}
.cta-text p {
  color: rgba(255,255,255,0.8);
  margin-top: 8px;
  font-size: 0.95rem;
}


/* ========================================
   FOOTER
   ======================================== */
.site-footer {
  background: #111;
  color: rgba(255,255,255,0.7);
  padding-top: 70px;
}
.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 50px;
  padding-bottom: 50px;
  border-bottom: 1px solid rgba(255,255,255,0.08);
}
.footer-brand .logo-text { font-size: 1.6rem; margin-bottom: 20px; }
.footer-brand p { font-size: 0.85rem; line-height: 1.8; max-width: 300px; }
.footer-col h5 {
  font-size: 0.75rem;
  font-weight: 800;
  letter-spacing: 2.5px;
  text-transform: uppercase;
  color: var(--white);
  margin-bottom: 20px;
  position: relative;
  padding-bottom: 12px;
}
.footer-col h5::after {
  content: '';
  position: absolute;
  bottom: 0; left: 0;
  width: 30px; height: 2px;
  background: var(--primary);
}
.footer-col ul { display: flex; flex-direction: column; gap: 10px; }
.footer-col ul li a {
  font-size: 0.83rem;
  color: rgba(255,255,255,0.55);
  transition: all var(--transition);
  font-weight: 500;
  display: flex;
  align-items: center;
  gap: 8px;
}
.footer-col ul li a::before {
  content: '';
  display: inline-block;
  width: 5px; height: 5px;
  background: var(--primary);
  border-radius: 50%;
  flex-shrink: 0;
  opacity: 0;
  transition: opacity var(--transition);
}
.footer-col ul li a:hover { color: var(--white); padding-left: 5px; }
.footer-col ul li a:hover::before { opacity: 1; }

.newsletter-form {
  display: flex;
  margin-top: 20px;
}
.newsletter-form input {
  flex: 1;
  padding: 12px 16px;
  background: rgba(255,255,255,0.06);
  border: 1px solid rgba(255,255,255,0.12);
  border-right: none;
  border-radius: 3px 0 0 3px;
  color: var(--white);
  font-size: 0.82rem;
  font-family: var(--font-main);
  outline: none;
  transition: border-color var(--transition);
}
.newsletter-form input::placeholder { color: rgba(255,255,255,0.35); }
.newsletter-form input:focus { border-color: var(--primary); }
.newsletter-form button {
  padding: 12px 20px;
  background: var(--primary);
  color: var(--white);
  border-radius: 0 3px 3px 0;
  font-size: 0.8rem;
  font-weight: 700;
  cursor: pointer;
  transition: background var(--transition);
  border: none;
  font-family: var(--font-main);
}
.newsletter-form button:hover { background: var(--primary-dark); }

.social-links {
  display: flex;
  gap: 10px;
  margin-top: 22px;
}
.social-link {
  width: 36px; height: 36px;
  border-radius: 50%;
  border: 1px solid rgba(255,255,255,0.15);
  display: flex; align-items: center; justify-content: center;
  transition: all var(--transition);
  color: rgba(255,255,255,0.55);
  font-size: 0.9rem;
  text-decoration: none;
}
.social-link:hover { background: var(--primary); border-color: var(--primary); color: var(--white); }

.footer-bottom {
  padding: 22px 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 12px;
}
.footer-bottom p {
  font-size: 0.78rem;
  color: rgba(255,255,255,0.35);
}
.footer-bottom-links {
  display: flex;
  gap: 24px;
}
.footer-bottom-links a {
  font-size: 0.78rem;
  color: rgba(255,255,255,0.35);
  transition: color var(--transition);
}
.footer-bottom-links a:hover { color: var(--white); }


/* ========================================
   MOBILE NAV
   ======================================== */
.mobile-nav {
  position: fixed;
  top: 0; right: -100%;
  width: 85%;
  max-width: 360px;
  height: 100%;
  background: var(--dark);
  z-index: 2000;
  padding: 80px 30px 40px;
  transition: right 0.4s ease;
  overflow-y: auto;
  box-shadow: -10px 0 60px rgba(0,0,0,0.5);
}
.mobile-nav.open { right: 0; }
.mobile-nav-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.7);
  z-index: 1999;
  opacity: 0;
  visibility: hidden;
  transition: all var(--transition);
}
.mobile-nav-overlay.open { opacity: 1; visibility: visible; }
.mobile-nav ul { display: flex; flex-direction: column; gap: 0; }
.mobile-nav ul li a {
  display: block;
  padding: 14px 0;
  font-size: 0.9rem;
  font-weight: 700;
  color: rgba(255,255,255,0.8);
  text-transform: uppercase;
  letter-spacing: 1px;
  border-bottom: 1px solid rgba(255,255,255,0.06);
  transition: color var(--transition);
}
.mobile-nav ul li a:hover { color: var(--primary); }
.mobile-nav-close {
  position: absolute;
  top: 26px; right: 26px;
  background: none;
  border: 1px solid rgba(255,255,255,0.2);
  color: rgba(255,255,255,0.7);
  width: 36px; height: 36px;
  border-radius: 50%;
  font-size: 1rem;
  cursor: pointer;
  display: flex; align-items: center; justify-content: center;
  transition: all var(--transition);
}
.mobile-nav-close:hover { background: var(--primary); border-color: var(--primary); color: var(--white); }


/* ========================================
   BACK TO TOP
   ======================================== */
.back-to-top {
  position: fixed;
  bottom: 30px; right: 30px;
  width: 46px; height: 46px;
  background: var(--primary);
  color: var(--white);
  border-radius: 4px;
  display: flex; align-items: center; justify-content: center;
  font-size: 1rem;
  cursor: pointer;
  opacity: 0;
  visibility: hidden;
  transform: translateY(10px);
  transition: all var(--transition);
  z-index: 500;
  border: none;
}
.back-to-top.visible { opacity: 1; visibility: visible; transform: translateY(0); }
.back-to-top:hover { background: var(--primary-dark); transform: translateY(-3px); }


/* ========================================
   RESPONSIVE
   ======================================== */
@media (max-width: 1100px) {
  .product-grid { grid-template-columns: repeat(2, 1fr); }
  .news-grid { grid-template-columns: 1fr 1fr; }
  .news-card.featured { grid-column: span 2; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 900px) {
  .main-nav, .header-actions { display: none; }
  .hamburger { display: flex; margin-left: auto; }
  .stats-grid { grid-template-columns: repeat(2, 1fr); }
  .intro-grid { grid-template-columns: 1fr; gap: 40px; }
  .intro-image-wrap { max-width: 500px; }
  .services-grid { grid-template-columns: 1fr; }
  .service-image-wrap { display: none; }
}

@media (max-width: 600px) {
  .container { padding: 0 20px; }
  .hero-title { font-size: 2rem; }
  .product-grid { grid-template-columns: 1fr; }
  .news-grid { grid-template-columns: 1fr; }
  .news-card.featured { grid-column: span 1; }
  .stats-grid { grid-template-columns: repeat(2, 1fr); }
  .footer-grid { grid-template-columns: 1fr; }
  .cta-inner { flex-direction: column; text-align: center; }
  .footer-bottom { flex-direction: column; text-align: center; }
  .hero-actions { flex-direction: column; }
  .slider-arrows { display: none; }
}