/* Akay Mühendislik - Modern 3D Premium Design */
:root{
  --primary:#0a4d8c; --primary-dark:#063359; --primary-light:#1a6fb5;
  --accent:#00b4d8; --accent-dark:#0096ad; --accent-light:#48cae4;
  --secondary:#ff6b35; --secondary-dark:#e85a2a;
  --success:#2ecc71; --warning:#f39c12; --error:#e74c3c;
  --dark:#0c1929; --dark-2:#142440; --dark-3:#1e3258;
  --gray-50:#f8fafc; --gray-100:#f1f5f9; --gray-200:#e2e8f0;
  --gray-300:#cbd5e1; --gray-400:#94a3b8; --gray-500:#64748b;
  --gray-600:#475569; --gray-700:#334155; --gray-800:#1e293b; --gray-900:#0f172a;
  --white:#ffffff; --bg:#f0f4f8;
  --radius:16px; --radius-sm:10px; --radius-lg:24px;
  --shadow-sm:0 2px 8px rgba(10,77,140,.08);
  --shadow:0 8px 24px rgba(10,77,140,.12);
  --shadow-lg:0 16px 48px rgba(10,77,140,.18);
  --shadow-3d:0 20px 60px -10px rgba(10,77,140,.35), 0 8px 20px -5px rgba(10,77,140,.2);
  --shadow-glow:0 0 40px rgba(0,180,216,.3);
  --gradient-primary:linear-gradient(135deg,#0a4d8c 0%,#00b4d8 100%);
  --gradient-dark:linear-gradient(135deg,#0c1929 0%,#142440 100%);
  --gradient-accent:linear-gradient(135deg,#00b4d8 0%,#48cae4 100%);
  --gradient-hero:linear-gradient(135deg,#063359 0%,#0a4d8c 40%,#00b4d8 100%);
  --glass:rgba(255,255,255,.1); --glass-border:rgba(255,255,255,.18);
  --transition:all .4s cubic-bezier(.4,0,.2,1);
  --font:'Segoe UI',system-ui,-apple-system,sans-serif;
}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:80px}
body{font-family:var(--font);color:var(--gray-800);background:var(--bg);line-height:1.6;overflow-x:hidden}
a{text-decoration:none;color:inherit}
ul{list-style:none}
img{max-width:100%;height:auto;display:block}
.container{max-width:1280px;margin:0 auto;padding:0 24px}
.section{padding:100px 0;position:relative}
.section-header{text-align:center;max-width:700px;margin:0 auto 60px}
.section-header .label{display:inline-block;padding:6px 20px;background:linear-gradient(135deg,#0a4d8c15,#00b4d815);color:var(--primary);border-radius:50px;font-size:13px;font-weight:700;letter-spacing:1px;text-transform:uppercase;margin-bottom:16px;border:1px solid #0a4d8c20}
.section-header h2{font-size:clamp(28px,5vw,44px);font-weight:800;color:var(--dark);margin-bottom:16px;letter-spacing:-.5px}
.section-header p{font-size:17px;color:var(--gray-500);line-height:1.7}
/* Buttons */
.btn{display:inline-flex;align-items:center;gap:8px;padding:14px 32px;border-radius:50px;font-weight:700;font-size:15px;border:none;cursor:pointer;transition:var(--transition);position:relative;overflow:hidden}
.btn-primary{background:var(--gradient-primary);color:#fff;box-shadow:0 8px 24px rgba(10,77,140,.35)}
.btn-primary:hover{transform:translateY(-3px);box-shadow:0 14px 36px rgba(10,77,140,.45)}
.btn-accent{background:var(--gradient-accent);color:#fff;box-shadow:0 8px 24px rgba(0,180,216,.35)}
.btn-accent:hover{transform:translateY(-3px);box-shadow:0 14px 36px rgba(0,180,216,.45)}
.btn-outline{background:transparent;color:#fff;border:2px solid rgba(255,255,255,.4)}
.btn-outline:hover{background:#fff;color:var(--primary);border-color:#fff;transform:translateY(-3px)}
.btn-secondary{background:var(--secondary);color:#fff;box-shadow:0 8px 24px rgba(255,107,53,.35)}
.btn-secondary:hover{background:var(--secondary-dark);transform:translateY(-3px)}
/* Header */
.header{position:fixed;top:0;left:0;right:0;z-index:1000;transition:var(--transition);padding:20px 0}
.header.scrolled{background:rgba(255,255,255,.95);backdrop-filter:blur(20px);box-shadow:var(--shadow);padding:12px 0}
.header-inner{display:flex;align-items:center;justify-content:space-between;gap:20px}
.logo{display:flex;align-items:center;gap:12px;font-weight:800;font-size:22px;color:#fff;transition:var(--transition)}
.header.scrolled .logo{color:var(--dark)}
.logo-icon{width:48px;height:48px;background:var(--gradient-primary);border-radius:14px;display:flex;align-items:center;justify-content:center;color:#fff;font-size:24px;box-shadow:var(--shadow-glow);transform:perspective(400px) rotateY(-10deg)}
.logo-text{display:flex;flex-direction:column;line-height:1.2}
.logo-text small{font-size:11px;font-weight:500;opacity:.7;letter-spacing:2px;text-transform:uppercase}
.nav{display:flex;align-items:center;gap:8px}
.nav a{padding:10px 18px;border-radius:50px;font-weight:600;font-size:15px;color:rgba(255,255,255,.85);transition:var(--transition)}
.header.scrolled .nav a{color:var(--gray-600)}
.nav a:hover,.nav a.active{color:#fff;background:var(--glass)}
.header.scrolled .nav a:hover,.header.scrolled .nav a.active{color:#fff;background:var(--gradient-primary)}
.header-tools{display:flex;align-items:center;gap:12px}
.lang-switcher{position:relative}
.lang-btn{display:flex;align-items:center;gap:8px;padding:8px 16px;border-radius:50px;background:var(--glass);border:1px solid var(--glass-border);color:#fff;font-weight:600;font-size:14px;cursor:pointer;transition:var(--transition)}
.header.scrolled .lang-btn{background:var(--gray-100);border-color:var(--gray-200);color:var(--gray-700)}
.lang-btn:hover{transform:translateY(-2px)}
.lang-dropdown{position:absolute;top:calc(100% + 8px);right:0;background:#fff;border-radius:var(--radius-sm);box-shadow:var(--shadow-lg);min-width:160px;opacity:0;visibility:hidden;transform:translateY(-10px);transition:var(--transition);overflow:hidden}
.lang-dropdown.open{opacity:1;visibility:visible;transform:translateY(0)}
.lang-dropdown a{display:flex;align-items:center;gap:10px;padding:12px 18px;color:var(--gray-700);font-weight:600;font-size:14px;transition:var(--transition)}
.lang-dropdown a:hover{background:var(--gray-100);color:var(--primary)}
.lang-dropdown a.active{background:var(--primary);color:#fff}
.flag{width:24px;height:18px;border-radius:3px;object-fit:cover;display:inline-block}
.mobile-toggle{display:none;background:var(--glass);border:1px solid var(--glass-border);color:#fff;width:44px;height:44px;border-radius:12px;font-size:22px;cursor:pointer;align-items:center;justify-content:center}
.header.scrolled .mobile-toggle{background:var(--gray-100);border-color:var(--gray-200);color:var(--dark)}
/* Hero / Slider */
.hero{position:relative;height:100vh;min-height:640px;display:flex;align-items:center;overflow:hidden;background:var(--gradient-dark)}
.hero-slides{position:absolute;inset:0}
.hero-slide{position:absolute;inset:0;opacity:0;transition:opacity 1.2s ease;background-size:cover;background-position:center}
.hero-slide.active{opacity:1}
.hero-slide::after{content:'';position:absolute;inset:0;background:linear-gradient(135deg,rgba(6,51,89,.92) 0%,rgba(10,77,140,.75) 50%,rgba(0,180,216,.4) 100%)}
.hero-content{position:relative;z-index:2;color:#fff;max-width:760px}
.hero-content .label{display:inline-flex;align-items:center;gap:8px;padding:8px 20px;background:var(--glass);border:1px solid var(--glass-border);border-radius:50px;font-size:14px;font-weight:600;margin-bottom:24px;backdrop-filter:blur(10px)}
.hero-content h1{font-size:clamp(36px,6vw,64px);font-weight:900;line-height:1.1;letter-spacing:-1px;margin-bottom:20px;text-shadow:0 4px 20px rgba(0,0,0,.3)}
.hero-content h1 span{background:var(--gradient-accent);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}
.hero-content p{font-size:19px;line-height:1.6;margin-bottom:36px;opacity:.9;max-width:600px}
.hero-buttons{display:flex;gap:16px;flex-wrap:wrap}
.hero-dots{position:absolute;bottom:40px;left:50%;transform:translateX(-50%);display:flex;gap:10px;z-index:3}
.hero-dots button{width:12px;height:12px;border-radius:50%;border:2px solid #fff;background:transparent;cursor:pointer;transition:var(--transition)}
.hero-dots button.active{background:#fff;width:36px;border-radius:50px}
.hero-scroll{position:absolute;bottom:30px;right:40px;color:#fff;z-index:3;opacity:.7;animation:bounce 2s infinite}
@keyframes bounce{0%,100%{transform:translateY(0)}50%{transform:translateY(-10px)}}
/* Stats */
.stats{background:var(--gradient-dark);padding:80px 0;position:relative;overflow:hidden}
.stats::before{content:'';position:absolute;top:-50%;right:-10%;width:500px;height:500px;background:radial-gradient(circle,rgba(0,180,216,.15),transparent);border-radius:50%}
.stats-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;position:relative;z-index:1}
.stat-card{text-align:center;padding:32px 20px;background:var(--glass);border:1px solid var(--glass-border);border-radius:var(--radius);backdrop-filter:blur(10px);transition:var(--transition)}
.stat-card:hover{transform:translateY(-8px);border-color:var(--accent-light);box-shadow:var(--shadow-glow)}
.stat-icon{width:64px;height:64px;margin:0 auto 16px;background:var(--gradient-accent);border-radius:18px;display:flex;align-items:center;justify-content:center;font-size:28px;color:#fff;box-shadow:0 8px 20px rgba(0,180,216,.4)}
.stat-value{font-size:42px;font-weight:900;color:#fff;margin-bottom:8px}
.stat-label{font-size:15px;color:rgba(255,255,255,.7);font-weight:500}
/* About */
.about-grid{display:grid;grid-template-columns:1fr 1fr;gap:60px;align-items:center}
.about-image{position:relative;border-radius:var(--radius-lg);overflow:hidden;box-shadow:var(--shadow-3d);transform:perspective(1000px) rotateY(-3deg)}
.about-image img{width:100%;height:480px;object-fit:cover}
.about-image::before{content:'';position:absolute;inset:0;background:linear-gradient(135deg,transparent 50%,rgba(0,180,216,.2));z-index:1}
.about-badge{position:absolute;bottom:24px;left:24px;right:24px;background:rgba(255,255,255,.95);backdrop-filter:blur(10px);padding:20px 24px;border-radius:var(--radius-sm);box-shadow:var(--shadow);z-index:2}
.about-badge h4{font-size:18px;font-weight:800;color:var(--dark);margin-bottom:4px}
.about-badge p{font-size:14px;color:var(--gray-500)}
.about-content .label{display:inline-block;padding:6px 20px;background:linear-gradient(135deg,#0a4d8c15,#00b4d815);color:var(--primary);border-radius:50px;font-size:13px;font-weight:700;letter-spacing:1px;text-transform:uppercase;margin-bottom:16px;border:1px solid #0a4d8c20}
.about-content h2{font-size:clamp(28px,4vw,40px);font-weight:800;color:var(--dark);margin-bottom:20px;line-height:1.2}
.about-content p{font-size:16px;color:var(--gray-500);line-height:1.8;margin-bottom:24px}
.about-features{display:grid;grid-template-columns:1fr 1fr;gap:16px;margin-bottom:32px}
.about-feature{display:flex;align-items:center;gap:12px;font-weight:600;color:var(--gray-700)}
.about-feature i{width:40px;height:40px;background:var(--gradient-primary);border-radius:12px;display:flex;align-items:center;justify-content:center;color:#fff;font-size:18px;flex-shrink:0;box-shadow:0 4px 12px rgba(10,77,140,.3)}
.vm-cards{display:grid;grid-template-columns:1fr 1fr;gap:24px;margin-top:48px}
.vm-card{padding:32px;background:#fff;border-radius:var(--radius);box-shadow:var(--shadow);border-top:4px solid var(--primary);transition:var(--transition)}
.vm-card:hover{transform:translateY(-6px);box-shadow:var(--shadow-lg)}
.vm-card.accent{border-color:var(--accent)}
.vm-card h3{display:flex;align-items:center;gap:10px;font-size:22px;font-weight:800;color:var(--dark);margin-bottom:12px}
.vm-card h3 i{color:var(--primary)}
.vm-card.accent h3 i{color:var(--accent)}
.vm-card p{color:var(--gray-500);line-height:1.7}
/* Services */
.services{background:var(--gray-100)}
.services-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:28px}
.service-card{background:#fff;border-radius:var(--radius-lg);overflow:hidden;box-shadow:var(--shadow);transition:var(--transition);position:relative}
.service-card:hover{transform:translateY(-10px);box-shadow:var(--shadow-3d)}
.service-image{height:220px;overflow:hidden;position:relative}
.service-image img{width:100%;height:100%;object-fit:cover;transition:var(--transition)}
.service-card:hover .service-image img{transform:scale(1.1)}
.service-image::after{content:'';position:absolute;inset:0;background:linear-gradient(to top,rgba(10,77,140,.6),transparent 50%)}
.service-icon{position:absolute;top:20px;right:20px;width:56px;height:56px;background:var(--gradient-primary);border-radius:16px;display:flex;align-items:center;justify-content:center;color:#fff;font-size:24px;z-index:2;box-shadow:0 8px 20px rgba(10,77,140,.4);transform:perspective(400px) rotateY(-15deg)}
.service-body{padding:28px}
.service-body h3{font-size:20px;font-weight:800;color:var(--dark);margin-bottom:12px}
.service-body p{font-size:15px;color:var(--gray-500);line-height:1.7;margin-bottom:20px}
.service-link{display:inline-flex;align-items:center;gap:6px;color:var(--primary);font-weight:700;font-size:14px;transition:var(--transition)}
.service-link:hover{gap:12px;color:var(--accent)}
/* Why Us */
.why-features{display:grid;grid-template-columns:repeat(4,1fr);gap:24px}
.feature-card{text-align:center;padding:36px 24px;background:#fff;border-radius:var(--radius);box-shadow:var(--shadow);transition:var(--transition);position:relative;overflow:hidden}
.feature-card::before{content:'';position:absolute;top:0;left:0;right:0;height:4px;background:var(--gradient-primary);transform:scaleX(0);transition:var(--transition);transform-origin:left}
.feature-card:hover::before{transform:scaleX(1)}
.feature-card:hover{transform:translateY(-8px);box-shadow:var(--shadow-lg)}
.feature-icon{width:72px;height:72px;margin:0 auto 20px;background:linear-gradient(135deg,#0a4d8c10,#00b4d810);border:2px solid var(--primary);border-radius:20px;display:flex;align-items:center;justify-content:center;font-size:32px;color:var(--primary);transition:var(--transition)}
.feature-card:hover .feature-icon{background:var(--gradient-primary);color:#fff;border-color:transparent;transform:rotate(-5deg) scale(1.1)}
.feature-card h3{font-size:18px;font-weight:800;color:var(--dark);margin-bottom:10px}
.feature-card p{font-size:14px;color:var(--gray-500);line-height:1.6}
/* References */
.references{background:var(--gray-100)}
.ref-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.ref-card{position:relative;border-radius:var(--radius-lg);overflow:hidden;box-shadow:var(--shadow);cursor:pointer;transition:var(--transition);height:320px}
.ref-card:hover{transform:translateY(-6px);box-shadow:var(--shadow-3d)}
.ref-card img{width:100%;height:100%;object-fit:cover;transition:var(--transition)}
.ref-card:hover img{transform:scale(1.1)}
.ref-overlay{position:absolute;inset:0;background:linear-gradient(to top,rgba(6,51,89,.95) 0%,rgba(10,77,140,.5) 50%,transparent 100%);display:flex;flex-direction:column;justify-content:flex-end;padding:28px;color:#fff;transition:var(--transition)}
.ref-badge{display:inline-block;padding:4px 14px;background:var(--accent);border-radius:50px;font-size:12px;font-weight:700;margin-bottom:12px;align-self:flex-start}
.ref-overlay h3{font-size:22px;font-weight:800;margin-bottom:8px}
.ref-overlay p{font-size:14px;opacity:.85;line-height:1.5;max-height:0;overflow:hidden;transition:var(--transition)}
.ref-card:hover .ref-overlay p{max-height:100px;margin-bottom:8px}
/* Contact */
.contact-grid{display:grid;grid-template-columns:1fr 1fr;gap:48px}
.contact-info-card{background:var(--gradient-dark);color:#fff;padding:48px;border-radius:var(--radius-lg);position:relative;overflow:hidden}
.contact-info-card::before{content:'';position:absolute;top:-30%;right:-20%;width:300px;height:300px;background:radial-gradient(circle,rgba(0,180,216,.2),transparent);border-radius:50%}
.contact-info-card h3{font-size:24px;font-weight:800;margin-bottom:8px;position:relative}
.contact-info-card>p{opacity:.7;margin-bottom:32px;position:relative}
.contact-info-list{position:relative}
.contact-info-item{display:flex;align-items:flex-start;gap:16px;margin-bottom:24px}
.contact-info-item .icon{width:48px;height:48px;background:var(--glass);border:1px solid var(--glass-border);border-radius:14px;display:flex;align-items:center;justify-content:center;font-size:20px;color:var(--accent-light);flex-shrink:0}
.contact-info-item .text small{display:block;font-size:12px;opacity:.6;text-transform:uppercase;letter-spacing:1px;margin-bottom:4px}
.contact-info-item .text strong{font-size:16px;font-weight:600}
.contact-form{background:#fff;padding:48px;border-radius:var(--radius-lg);box-shadow:var(--shadow)}
.contact-form h3{font-size:24px;font-weight:800;color:var(--dark);margin-bottom:8px}
.contact-form>p{color:var(--gray-500);margin-bottom:32px}
.form-group{margin-bottom:20px}
.form-group label{display:block;font-weight:600;font-size:14px;color:var(--gray-700);margin-bottom:8px}
.form-group input,.form-group textarea,.form-group select{width:100%;padding:14px 18px;border:2px solid var(--gray-200);border-radius:var(--radius-sm);font-size:15px;font-family:var(--font);transition:var(--transition);background:var(--gray-50)}
.form-group input:focus,.form-group textarea:focus,.form-group select:focus{outline:none;border-color:var(--primary);background:#fff;box-shadow:0 0 0 4px rgba(10,77,140,.1)}
.form-group textarea{resize:vertical;min-height:120px}
.form-row{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.form-message{padding:16px 20px;border-radius:var(--radius-sm);margin-bottom:20px;font-weight:600;display:none}
.form-message.success{display:block;background:#d4edda;color:#155724;border:1px solid #c3e6cb}
.form-message.error{display:block;background:#f8d7da;color:#721c24;border:1px solid #f5c6cb}
/* Footer */
.footer{background:var(--dark);color:rgba(255,255,255,.7);padding:64px 0 0}
.footer-grid{display:grid;grid-template-columns:2fr 1fr 1fr 1.5fr;gap:40px;margin-bottom:48px}
.footer-brand .logo{color:#fff;margin-bottom:20px}
.footer-brand p{font-size:15px;line-height:1.7;margin-bottom:20px}
.footer-social{display:flex;gap:12px}
.footer-social a{width:44px;height:44px;background:var(--glass);border:1px solid var(--glass-border);border-radius:12px;display:flex;align-items:center;justify-content:center;color:#fff;font-size:18px;transition:var(--transition)}
.footer-social a:hover{background:var(--gradient-primary);transform:translateY(-4px);border-color:transparent}
.footer-col h4{color:#fff;font-size:16px;font-weight:700;margin-bottom:20px}
.footer-col ul li{margin-bottom:12px}
.footer-col ul li a{font-size:14px;transition:var(--transition)}
.footer-col ul li a:hover{color:var(--accent-light);padding-left:6px}
.footer-contact-item{display:flex;align-items:flex-start;gap:12px;margin-bottom:16px;font-size:14px}
.footer-contact-item i{color:var(--accent);font-size:16px;margin-top:2px;flex-shrink:0}
.footer-bottom{border-top:1px solid rgba(255,255,255,.1);padding:24px 0;text-align:center;font-size:14px}
.footer-bottom a{color:var(--accent-light)}
/* WhatsApp Float */
.whatsapp-float{position:fixed;bottom:24px;left:24px;width:60px;height:60px;background:#25d366;border-radius:50%;display:flex;align-items:center;justify-content:center;color:#fff;font-size:28px;box-shadow:0 8px 24px rgba(37,211,102,.4);z-index:999;transition:var(--transition);animation:pulse 2s infinite}
.whatsapp-float:hover{transform:scale(1.1)}
@keyframes pulse{0%{box-shadow:0 8px 24px rgba(37,211,102,.4),0 0 0 0 rgba(37,211,102,.4)}70%{box-shadow:0 8px 24px rgba(37,211,102,.4),0 0 0 16px rgba(37,211,102,0)}100%{box-shadow:0 8px 24px rgba(37,211,102,.4),0 0 0 0 rgba(37,211,102,0)}}
/* Animations */
.fade-up{opacity:1;transform:none;transition:none}
.fade-up.visible{opacity:1;transform:none}
/* Products */
.products-section{background:var(--gray-100)}
.product-filters{display:flex;flex-wrap:wrap;gap:12px;margin-bottom:40px;justify-content:center}
.product-filter-btn{display:inline-flex;align-items:center;gap:8px;padding:12px 24px;border-radius:50px;background:#fff;border:2px solid var(--gray-200);color:var(--gray-600);font-weight:600;font-size:14px;transition:var(--transition)}
.product-filter-btn:hover{border-color:var(--primary);color:var(--primary);transform:translateY(-2px)}
.product-filter-btn.active{background:var(--gradient-primary);color:#fff;border-color:transparent;box-shadow:0 8px 24px rgba(10,77,140,.35)}
.products-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:28px}
.product-card{background:#fff;border-radius:var(--radius-lg);overflow:hidden;box-shadow:var(--shadow);transition:var(--transition);position:relative}
.product-card:hover{transform:translateY(-10px);box-shadow:var(--shadow-3d)}
.product-card .product-image{display:block;height:220px;overflow:hidden;position:relative}
.product-card .product-image img{width:100%;height:100%;object-fit:cover;transition:var(--transition)}
.product-card:hover .product-image img{transform:scale(1.1)}
.product-card .product-image::after{content:'';position:absolute;inset:0;background:linear-gradient(to top,rgba(10,77,140,.5),transparent 50%)}
.product-body{padding:24px}
.product-body h3{font-size:18px;font-weight:800;color:var(--dark);margin-bottom:10px}
.product-body h3 a{color:inherit}
.product-body p{font-size:14px;color:var(--gray-500);line-height:1.6;margin-bottom:16px}
.product-footer{display:flex;align-items:center;justify-content:space-between;gap:12px}
.product-price{font-size:20px;font-weight:800;color:var(--primary)}
.product-link{display:inline-flex;align-items:center;gap:6px;color:var(--primary);font-weight:700;font-size:13px;transition:var(--transition)}
.product-link:hover{gap:12px;color:var(--accent)}
/* Product Detail */
.product-detail-price{display:flex;align-items:center;gap:16px;padding:20px 24px;background:var(--gray-100);border-radius:var(--radius-sm);margin-bottom:28px}
.product-detail-price-label{font-size:14px;font-weight:600;color:var(--gray-500);text-transform:uppercase;letter-spacing:1px}
.product-detail-price-value{font-size:28px;font-weight:900;color:var(--primary)}
.product-action-buttons{display:flex;flex-wrap:wrap;gap:12px}
.btn-whatsapp{background:#25d366;color:#fff;box-shadow:0 8px 24px rgba(37,211,102,.35)}
.btn-whatsapp:hover{background:#1da851;transform:translateY(-3px);box-shadow:0 14px 36px rgba(37,211,102,.45)}
.btn-outline-whatsapp{background:transparent;color:#25d366;border:2px solid #25d366}
.btn-outline-whatsapp:hover{background:#25d366;color:#fff;transform:translateY(-3px)}
.btn-phone{background:var(--gradient-primary);color:#fff;box-shadow:0 8px 24px rgba(10,77,140,.35)}
.btn-phone:hover{transform:translateY(-3px);box-shadow:0 14px 36px rgba(10,77,140,.45)}
/* Page Hero */
.page-hero{padding:160px 0 80px;background:var(--gradient-dark);color:#fff;text-align:center;position:relative;overflow:hidden}
.page-hero::before{content:'';position:absolute;top:-30%;right:-10%;width:400px;height:400px;background:radial-gradient(circle,rgba(0,180,216,.15),transparent);border-radius:50%}
.page-hero h1{font-size:clamp(32px,5vw,48px);font-weight:900;margin-bottom:12px;position:relative}
.page-hero p{font-size:17px;opacity:.7;position:relative}
.breadcrumb{display:flex;justify-content:center;gap:8px;margin-top:20px;font-size:14px;position:relative}
.breadcrumb a{color:var(--accent-light)}
.breadcrumb span{opacity:.5}
/* Responsive */
@media(max-width:1024px){
  .services-grid,.ref-grid{grid-template-columns:repeat(2,1fr)}
  .why-features{grid-template-columns:repeat(2,1fr)}
  .stats-grid{grid-template-columns:repeat(2,1fr)}
  .footer-grid{grid-template-columns:1fr 1fr}
}
@media(max-width:768px){
  .nav{display:none;position:fixed;top:0;right:0;width:80%;max-width:320px;height:100vh;background:#fff;flex-direction:column;align-items:flex-start;padding:80px 24px 24px;gap:4px;box-shadow:var(--shadow-lg);transform:translateX(100%);transition:var(--transition);z-index:999}
  .nav.open{display:flex;transform:translateX(0)}
  .nav a{color:var(--gray-700);width:100%;padding:14px 18px}
  .nav a:hover,.nav a.active{background:var(--gray-100);color:var(--primary)}
  .mobile-toggle{display:flex}
  .about-grid,.contact-grid,.vm-cards{grid-template-columns:1fr;gap:32px}
  .about-image img{height:320px}
  .section{padding:60px 0}
  .hero{min-height:560px}
  .hero-buttons{flex-direction:column}
  .hero-buttons .btn{width:100%;justify-content:center}
  .form-row{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr;gap:32px}
  .contact-info-card,.contact-form{padding:32px}
  .hero-scroll{display:none}
  .products-grid{grid-template-columns:1fr}
  .product-filters{justify-content:flex-start}
  .product-action-buttons .btn{width:100%;justify-content:center}
}
@media(max-width:480px){
  .services-grid,.ref-grid,.why-features,.stats-grid{grid-template-columns:1fr}
  .about-features{grid-template-columns:1fr}
  .container{padding:0 16px}
}
@media(max-width:1024px) and (min-width:769px){
  .products-grid{grid-template-columns:repeat(2,1fr)}
}