/* ===================================================
   Yasin Kalay Güneş Panelleri — Ana Stil Dosyası
   Açık tema, göz yormayan renkler, Türkçe karakter uyumlu
=================================================== */

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

:root {
  /* Renk paleti */
  --primary:       #F59E0B;   /* Güneş sarısı / amber */
  --primary-dark:  #D97706;
  --primary-light: #FEF3C7;
  --secondary:     #0EA5E9;   /* Gökyüzü mavisi */
  --secondary-dark:#0284C7;
  --secondary-light:#E0F2FE;
  --green:         #10B981;
  --green-light:   #D1FAE5;

  /* Nötr renkler */
  --bg:            #F8FAFC;
  --bg-card:       #FFFFFF;
  --bg-section:    #F1F5F9;
  --bg-glass:      rgba(255, 255, 255, 0.95);
  --text-dark:     #1E293B;
  --text-mid:      #475569;
  --text-light:    #94A3B8;
  --border:        #E2E8F0;

  /* Gölge */
  --shadow-sm:  0 1px 3px rgba(0,0,0,.08), 0 1px 2px rgba(0,0,0,.06);
  --shadow-md:  0 4px 6px rgba(0,0,0,.07), 0 2px 4px rgba(0,0,0,.06);
  --shadow-lg:  0 10px 25px rgba(0,0,0,.10), 0 4px 6px rgba(0,0,0,.05);
  --shadow-xl:  0 20px 40px rgba(0,0,0,.12);

  /* Yuvarlama */
  --radius-sm:  6px;
  --radius-md:  12px;
  --radius-lg:  20px;
  --radius-xl:  32px;

  /* Geçiş */
  --transition: all .25s cubic-bezier(.4,0,.2,1);
}

body.dark-mode {
  --bg:            #0F172A;
  --bg-card:       #1E293B;
  --bg-section:    #1E293B;
  --bg-glass:       rgba(15, 23, 42, 0.92);
  --text-dark:     #F1F5F9;
  --text-mid:      #94A3B8;
  --text-light:    #64748B;
  --border:        #334155;
  --primary-light: rgba(245, 158, 11, 0.15);
  --secondary-light: rgba(14, 165, 233, 0.15);
}

body {
  transition: background-color 0.4s ease, color 0.4s ease;
  background: var(--bg);
  color: var(--text-dark);
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html { scroll-behavior: smooth; }

img { max-width: 100%; height: auto; display: block; }
a { color: inherit; text-decoration: none; }
ul { list-style: none; }

/* ── CONTAINER ── */
.container { width: 100%; max-width: 1200px; margin: 0 auto; padding: 0 24px; }
.section { padding: 80px 0; }
.section-alt { background: var(--bg-section); }

/* ── TIPOGRAFI ── */
.section-label {
  display: inline-flex; align-items: center; gap: 8px;
  background: var(--primary-light); color: var(--primary-dark);
  font-size: 13px; font-weight: 600; text-transform: uppercase;
  letter-spacing: .08em; padding: 6px 14px; border-radius: 100px;
  margin-bottom: 16px;
}
.section-title { font-size: clamp(26px,4vw,40px); font-weight: 800; color: var(--text-dark); line-height: 1.2; margin-bottom: 16px; }
.section-desc  { font-size: 17px; color: var(--text-mid); max-width: 580px; }
.section-header { text-align: center; margin-bottom: 56px; }
.section-header .section-desc { margin: 0 auto; }

/* ── BUTONLAR ── */
.btn {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 13px 28px; border-radius: var(--radius-md);
  font-weight: 600; font-size: 15px; cursor: pointer;
  border: 2px solid transparent; transition: var(--transition);
  white-space: nowrap;
}
.btn-primary { background: var(--primary); color: #fff; border-color: var(--primary); }
.btn-primary:hover { background: var(--primary-dark); border-color: var(--primary-dark); transform: translateY(-2px); box-shadow: 0 8px 20px rgba(245,158,11,.35); }
.btn-secondary { background: var(--secondary); color: #fff; border-color: var(--secondary); }
.btn-secondary:hover { background: var(--secondary-dark); border-color: var(--secondary-dark); transform: translateY(-2px); box-shadow: 0 8px 20px rgba(14,165,233,.3); }
.btn-outline { background: transparent; color: var(--primary); border-color: var(--primary); }
.btn-outline:hover { background: var(--primary); color: #fff; transform: translateY(-2px); }
.btn-white { background: var(--bg-card); color: var(--primary); border-color: var(--bg-card); }
.btn-white:hover { background: var(--primary-light); transform: translateY(-2px); box-shadow: var(--shadow-lg); }
.btn-lg { padding: 16px 36px; font-size: 16px; }
.btn-sm { padding: 9px 18px; font-size: 13px; }

/* ── NAVBAR ── */
.navbar {
  position: fixed; top: 0; left: 0; right: 0; z-index: 9999;
  background: var(--bg-glass);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
  transition: var(--transition);
}
.navbar.scrolled { box-shadow: var(--shadow-md); }
.navbar-inner {
  display: flex; align-items: center; justify-content: space-between;
  height: 72px; gap: 32px;
}
.navbar-logo {
  display: flex; align-items: center; gap: 12px;
  font-weight: 800; font-size: 18px; color: var(--text-dark);
}
.navbar-logo .logo-icon {
  width: 42px; height: 42px; background: linear-gradient(135deg,var(--primary),var(--primary-dark));
  border-radius: 10px; display: flex; align-items: center; justify-content: center;
  font-size: 20px; color: #fff; box-shadow: 0 4px 12px rgba(245,158,11,.4);
}
.navbar-logo span { color: var(--primary); }
.lang-btn {
  font-size: 13px;
  font-weight: 700;
  color: var(--text-mid);
  text-decoration: none;
  width: 32px;
  height: 32px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 8px;
  background: var(--bg-section);
  transition: all 0.2s;
}

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

.lang-btn:hover:not(.active) {
  background: var(--border);
  color: var(--text-dark);
}

.navbar-nav { display: flex; align-items: center; gap: 4px; }
.nav-link {
  padding: 8px 14px; border-radius: 8px; font-size: 14px; font-weight: 500;
  color: var(--text-mid); transition: var(--transition);
}
.nav-link:hover, .nav-link.active { color: var(--primary); background: var(--primary-light); }
.navbar-cta { display: flex; align-items: center; gap: 12px; }
.mobile-toggle {
  display: none; background: none; border: none; cursor: pointer;
  padding: 8px; border-radius: 8px; color: var(--text-dark); font-size: 22px;
}
.mobile-menu {
  display: none; position: fixed; top: 72px; left: 0; right: 0; bottom: 0;
  background: #fff; padding: 24px; z-index: 9998; overflow-y: auto;
  flex-direction: column; gap: 8px;
}
.mobile-menu.open { display: flex; }
.mobile-nav-link {
  padding: 14px 16px; border-radius: var(--radius-sm); font-weight: 500;
  color: var(--text-dark); font-size: 16px; transition: var(--transition);
  border: 1px solid transparent;
}
.mobile-nav-link:hover { background: var(--primary-light); color: var(--primary); }

/* ── HERO ── */
.hero {
  min-height: 100vh; padding-top: 72px;
  background: linear-gradient(135deg, #FFF9E6 0%, #E0F2FE 50%, #F0FDF4 100%);
  position: relative; overflow: hidden; display: flex; align-items: center;
}
.hero::before {
  content: '';
  position: absolute; top: -100px; right: -100px;
  width: 600px; height: 600px;
  background: radial-gradient(circle, rgba(245,158,11,.15) 0%, transparent 70%);
  border-radius: 50%;
}
.hero::after {
  content: '';
  position: absolute; bottom: -150px; left: -100px;
  width: 500px; height: 500px;
  background: radial-gradient(circle, rgba(14,165,233,.12) 0%, transparent 70%);
  border-radius: 50%;
}
.hero-inner {
  display: grid; grid-template-columns: 1fr 1fr; gap: 64px;
  align-items: center; position: relative; z-index: 1; padding: 60px 0;
}
.hero-badge {
  display: inline-flex; align-items: center; gap: 8px;
  background: var(--primary-light); color: var(--primary-dark);
  padding: 8px 16px; border-radius: 100px; font-size: 13px; font-weight: 600;
  margin-bottom: 24px; border: 1px solid rgba(245,158,11,.3);
}
.hero-title {
  font-size: clamp(32px,5vw,54px); font-weight: 800; line-height: 1.15;
  color: var(--text-dark); margin-bottom: 20px;
}
.hero-title span { color: var(--primary); position: relative; }
.hero-desc { font-size: 18px; color: var(--text-mid); margin-bottom: 32px; max-width: 520px; }
.hero-buttons { display: flex; gap: 16px; flex-wrap: wrap; margin-bottom: 48px; }
.hero-stats { display: flex; gap: 32px; }
.hero-stat span { font-size: 32px; font-weight: 800; color: var(--primary); display: block; }
.hero-stat small { font-size: 13px; color: var(--text-mid); font-weight: 500; }

/* Hero resim alanı */
.hero-visual {
  position: relative; display: flex; align-items: center; justify-content: center;
}
.hero-image-wrapper {
  position: relative; border-radius: var(--radius-xl); overflow: hidden;
  box-shadow: var(--shadow-xl); aspect-ratio: 4/3; width: 100%;
  background: linear-gradient(135deg, #F59E0B22, #0EA5E922);
}
.hero-image-wrapper img { width: 100%; height: 100%; object-fit: cover; }
.hero-image-placeholder {
  width: 100%; height: 100%; display: flex; flex-direction: column;
  align-items: center; justify-content: center; gap: 16px;
  background: linear-gradient(135deg, #FEF3C7, #E0F2FE);
  min-height: 360px;
}
.hero-image-placeholder .solar-icon { font-size: 80px; opacity: .7; }
.hero-float-card {
  position: absolute; background: #fff; border-radius: var(--radius-md);
  padding: 16px 20px; box-shadow: var(--shadow-lg); display: flex; align-items: center; gap: 12px;
}
.hero-float-card.card-1 { top: 24px; right: -20px; }
.hero-float-card.card-2 { bottom: 24px; left: -20px; }
.hero-float-card .fc-icon {
  width: 44px; height: 44px; border-radius: 10px; display: flex; align-items: center; justify-content: center; font-size: 20px;
}
.hero-float-card .fc-text { font-size: 13px; color: var(--text-mid); }
.hero-float-card .fc-text strong { display: block; font-size: 16px; font-weight: 700; color: var(--text-dark); }

/* ── İSTATİSTİKLER BANNER ── */
.stats-banner { background: linear-gradient(135deg,var(--primary),var(--primary-dark)); padding: 56px 0; }
.stats-grid { display: grid; grid-template-columns: repeat(4,1fr); gap: 32px; }
.stat-item { text-align: center; color: #fff; }
.stat-item .stat-num { font-size: 44px; font-weight: 800; display: block; }
.stat-item .stat-label { font-size: 14px; opacity: .85; margin-top: 4px; }

/* ── HİZMETLER ── */
.services-grid { display: grid; grid-template-columns: repeat(3,1fr); gap: 28px; }
.service-card {
  background: var(--bg-card); border-radius: var(--radius-lg); padding: 36px 28px;
  border: 1px solid var(--border); transition: var(--transition); position: relative; overflow: hidden;
}
.service-card::before {
  content: ''; position: absolute; top: 0; left: 0; right: 0; height: 4px;
  background: linear-gradient(90deg, var(--primary), var(--secondary)); opacity: 0; transition: var(--transition);
}
.service-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-lg); border-color: transparent; }
.service-card:hover::before { opacity: 1; }
.service-icon {
  width: 64px; height: 64px; border-radius: var(--radius-md);
  background: var(--primary-light); display: flex; align-items: center;
  justify-content: center; font-size: 28px; margin-bottom: 20px; transition: var(--transition);
}
.service-card:hover .service-icon { background: var(--primary); transform: scale(1.1); }
.service-card h3 { font-size: 18px; font-weight: 700; margin-bottom: 12px; }
.service-card p { color: var(--text-mid); font-size: 15px; line-height: 1.6; }

/* ── ÜRÜNLER ── */
.products-grid { display: grid; grid-template-columns: repeat(3,1fr); gap: 28px; }
.product-card {
  background: var(--bg-card); border-radius: var(--radius-lg);
  border: 1px solid var(--border); overflow: hidden; transition: var(--transition);
}
.product-card:hover { transform: translateY(-5px); box-shadow: var(--shadow-lg); }
.product-image {
  aspect-ratio: 4/3; background: linear-gradient(135deg,var(--primary-light),var(--secondary-light));
  display: flex; align-items: center; justify-content: center; font-size: 64px; position: relative;
  overflow: hidden;
}
.product-image img { width: 100%; height: 100%; object-fit: cover; }
.product-badge {
  position: absolute; top: 12px; left: 12px; background: var(--primary);
  color: #fff; font-size: 11px; font-weight: 700; padding: 4px 10px; border-radius: 100px;
}
.product-body { padding: 24px; }
.product-category { font-size: 12px; font-weight: 600; color: var(--secondary); text-transform: uppercase; letter-spacing: .08em; margin-bottom: 8px; }
.product-name { font-size: 17px; font-weight: 700; margin-bottom: 10px; }
.product-desc { font-size: 14px; color: var(--text-mid); margin-bottom: 16px; display: -webkit-box; -webkit-line-clamp: 2; line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.product-footer { display: flex; align-items: center; justify-content: space-between; padding: 0 24px 24px; }
.product-price { font-size: 22px; font-weight: 800; color: var(--primary); }
.product-price small { font-size: 12px; color: var(--text-light); font-weight: 400; display: block; }

/* ── PROJELER ── */
.projects-grid { display: grid; grid-template-columns: repeat(3,1fr); gap: 24px; }
.project-card {
  background: var(--bg-card); border-radius: var(--radius-lg); overflow: hidden;
  border: 1px solid var(--border); transition: var(--transition);
}
.project-card:hover { transform: translateY(-5px); box-shadow: var(--shadow-lg); }
.project-image {
  aspect-ratio: 16/10; background: linear-gradient(135deg,#1E3A5F,#0EA5E9);
  display: flex; align-items: center; justify-content: center; font-size: 56px;
  color: #fff; position: relative; overflow: hidden;
}
.project-image img { width: 100%; height: 100%; object-fit: cover; }
.project-capacity {
  position: absolute; bottom: 12px; right: 12px;
  background: rgba(0,0,0,.6); backdrop-filter: blur(4px);
  color: #fff; font-size: 13px; font-weight: 700; padding: 4px 12px; border-radius: 100px;
}
.project-body { padding: 20px; }
.project-location { font-size: 12px; color: var(--text-light); margin-bottom: 6px; display: flex; align-items: center; gap: 4px; }
.project-title { font-size: 16px; font-weight: 700; margin-bottom: 8px; }
.project-desc { font-size: 13px; color: var(--text-mid); display: -webkit-box; -webkit-line-clamp: 2; line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }

/* ── NEDEN BİZ ── */
.why-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 48px; align-items: center; }
.why-features { display: grid; gap: 20px; }
.why-feature {
  display: flex; gap: 16px; align-items: flex-start;
  background: var(--bg-card); padding: 20px; border-radius: var(--radius-md);
  border: 1px solid var(--border); transition: var(--transition);
}
.why-feature:hover { box-shadow: var(--shadow-md); border-color: var(--primary-light); }
.why-feature-icon {
  width: 48px; height: 48px; min-width: 48px; border-radius: var(--radius-sm);
  background: var(--primary-light); display: flex; align-items: center; justify-content: center; font-size: 22px;
}
.why-feature h4 { font-size: 15px; font-weight: 700; margin-bottom: 4px; }
.why-feature p { font-size: 13px; color: var(--text-mid); }
.why-visual {
  border-radius: var(--radius-xl); overflow: hidden; box-shadow: var(--shadow-xl);
  aspect-ratio: 1; background: linear-gradient(135deg,#FEF3C7,#DBEAFE);
  display: flex; align-items: center; justify-content: center; font-size: 100px;
}

/* ── REKLAM BANNER ── */
.ad-banner { background: linear-gradient(135deg, #1E3A5F, #0EA5E9); padding: 56px 0; }
.ad-banner-inner {
  display: flex; align-items: center; justify-content: space-between; gap: 32px;
  flex-wrap: wrap;
}
.ad-banner-text h2 { font-size: 32px; font-weight: 800; color: #fff; margin-bottom: 10px; }
.ad-banner-text p { font-size: 17px; color: rgba(255,255,255,.8); }
.ad-banner-actions { display: flex; gap: 16px; flex-wrap: wrap; }
.ad-section img { max-height: 120px; border-radius: var(--radius-md); box-shadow: var(--shadow-lg); }

/* ── SS ÜRÜN RESMİ ── */
.hero-image-placeholder .placeholder-emoji { font-size: 80px; }

/* ── İLETİŞİM ── */
.contact-grid { display: grid; grid-template-columns: 1fr 1.5fr; gap: 48px; }
.contact-info { display: flex; flex-direction: column; gap: 28px; }
.contact-item { display: flex; gap: 16px; align-items: flex-start; }
.contact-item-icon {
  width: 52px; height: 52px; min-width: 52px; background: var(--primary-light);
  border-radius: var(--radius-md); display: flex; align-items: center; justify-content: center; font-size: 24px;
}
.contact-item h4 { font-size: 14px; font-weight: 600; color: var(--text-mid); margin-bottom: 4px; }
.contact-item p { font-size: 16px; font-weight: 600; color: var(--text-dark); }
.contact-form { background: var(--bg-card); padding: 40px; border-radius: var(--radius-xl); box-shadow: var(--shadow-lg); border: 1px solid var(--border); }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
.form-group { margin-bottom: 20px; }
.form-group label { display: block; font-size: 14px; font-weight: 600; color: var(--text-dark); margin-bottom: 8px; }
.form-group input, .form-group textarea, .form-group select {
  width: 100%; padding: 12px 16px; border: 1.5px solid var(--border);
  border-radius: var(--radius-sm); font-family: 'Inter',sans-serif; font-size: 15px;
  background: var(--bg); color: var(--text-dark); transition: var(--transition);
  outline: none;
}
.form-group input:focus, .form-group textarea:focus {
  border-color: var(--primary); background: #fff; box-shadow: 0 0 0 3px rgba(245,158,11,.12);
}
.form-group textarea { resize: vertical; min-height: 140px; }

/* ── WhatsApp FAB ── */
.whatsapp-fab {
  position: fixed; bottom: 28px; right: 28px; z-index: 9999;
  width: 58px; height: 58px; background: #25D366; color: #fff; border-radius: 50%;
  display: flex; align-items: center; justify-content: center; font-size: 28px;
  box-shadow: 0 6px 20px rgba(37,211,102,.5); transition: var(--transition); cursor: pointer;
}
.whatsapp-fab:hover { transform: scale(1.12) translateY(-2px); box-shadow: 0 10px 30px rgba(37,211,102,.6); }

/* ── FOOTER ── */
.footer { background: #0F172A; color: #CBD5E1; padding: 72px 0 0; }
.footer-grid { display: grid; grid-template-columns: 2fr 1fr 1fr 1fr; gap: 48px; margin-bottom: 48px; }
.footer-brand .footer-logo { display: flex; align-items: center; gap: 12px; margin-bottom: 18px; }
.footer-brand .footer-logo .logo-icon {
  width: 40px; height: 40px; background: linear-gradient(135deg,var(--primary),var(--primary-dark));
  border-radius: 10px; display: flex; align-items: center; justify-content: center; font-size: 18px; color: #fff;
}
.footer-brand .footer-logo span { font-size: 17px; font-weight: 700; color: #fff; }
.footer-brand p { font-size: 14px; line-height: 1.7; max-width: 300px; }
.footer-social { display: flex; gap: 10px; margin-top: 20px; }
.social-link {
  width: 38px; height: 38px; background: rgba(255,255,255,.08); border-radius: 8px;
  display: flex; align-items: center; justify-content: center; font-size: 16px;
  transition: var(--transition); color: #fff;
}
.social-link:hover { background: var(--primary); transform: translateY(-2px); }
.footer-col h4 { font-size: 14px; font-weight: 700; color: #fff; margin-bottom: 18px; text-transform: uppercase; letter-spacing: .06em; }
.footer-links { display: flex; flex-direction: column; gap: 10px; }
.footer-links a { font-size: 14px; color: #94A3B8; transition: var(--transition); }
.footer-links a:hover { color: var(--primary); padding-left: 6px; }
.footer-contact-item { display: flex; gap: 10px; align-items: flex-start; margin-bottom: 12px; }
.footer-contact-item .fci { font-size: 16px; margin-top: 2px; color: var(--primary); }
.footer-contact-item span { font-size: 14px; color: #94A3B8; }
.footer-bottom { border-top: 1px solid rgba(255,255,255,.08); padding: 24px 0; display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: 12px; }
.footer-bottom p { font-size: 13px; color: #64748B; }
.footer-bottom a { color: var(--primary); }

/* ── ALERTS ── */
.alert { padding: 14px 20px; border-radius: var(--radius-sm); font-size: 14px; margin-bottom: 20px; }
.alert-success { background: #D1FAE5; color: #065F46; border: 1px solid #A7F3D0; }
.alert-error { background: #FEE2E2; color: #991B1B; border: 1px solid #FCA5A5; }

/* ── PAGE BANNER ── */
.page-banner {
  background: linear-gradient(135deg, #1E3A5F 0%, #0EA5E9 100%);
  padding: 120px 0 72px; text-align: center; position: relative; overflow: hidden;
}
.page-banner::before {
  content: ''; position: absolute; inset: 0;
  background: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%23ffffff' fill-opacity='0.05'%3E%3Cpath d='M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
}
.page-banner h1 { font-size: clamp(32px,5vw,52px); font-weight: 800; color: #fff; margin-bottom: 14px; position: relative; }
.page-banner p { font-size: 18px; color: rgba(255,255,255,.8); position: relative; }
.breadcrumb { display: flex; align-items: center; justify-content: center; gap: 8px; margin-top: 20px; position: relative; }
.breadcrumb a, .breadcrumb span { font-size: 14px; color: rgba(255,255,255,.7); }
.breadcrumb a:hover { color: var(--primary); }
.breadcrumb .sep { color: rgba(255,255,255,.4); }

/* ── HARITA ── */
.map-wrapper { border-radius: var(--radius-lg); overflow: hidden; box-shadow: var(--shadow-lg); }
.map-wrapper iframe { width: 100%; height: 420px; border: none; display: block; }

/* ── SCROLL ANIMASYONLARI ── */
.reveal { opacity: 0; transform: translateY(30px); transition: opacity .6s ease, transform .6s ease; }
.reveal.visible { opacity: 1; transform: none; }

/* ── RESPONSIVE ── */
@media (max-width: 1024px) {
  .hero-inner { grid-template-columns: 1fr; gap: 48px; }
  .hero-visual { display: none; }
  .hero-desc { max-width: 100%; }
  .services-grid { grid-template-columns: repeat(2,1fr); }
  .products-grid { grid-template-columns: repeat(2,1fr); }
  .projects-grid { grid-template-columns: repeat(2,1fr); }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .stats-grid { grid-template-columns: repeat(2,1fr); gap: 24px; }
  .why-grid { grid-template-columns: 1fr; }
  .why-visual { display: none; }
  .contact-grid { grid-template-columns: 1fr; }
}
@media (max-width: 768px) {
  .navbar-nav { display: none; }
  .navbar-cta .btn { display: none; }
  .mobile-toggle { display: block; }
  .services-grid { grid-template-columns: 1fr; }
  .products-grid { grid-template-columns: 1fr; }
  .projects-grid { grid-template-columns: 1fr; }
  .stats-grid { grid-template-columns: repeat(2,1fr); }
  .section { padding: 60px 0; }
  .footer-grid { grid-template-columns: 1fr; }
  .footer-bottom { flex-direction: column; text-align: center; }
  .hero-stats { gap: 20px; flex-wrap: wrap; }
  .form-row { grid-template-columns: 1fr; }
  .ad-banner-inner { flex-direction: column; text-align: center; }
}