/* 
   Project: İstanbul Kepenk Tamircisi
   Theme: Premium Industrial v2 (Deep Space Blue #020617, Vibrant Amber #F59E0B)
   Font: 'Inter', sans-serif
*/

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

:root {
    --primary: #F59E0B;
    /* Vibrant Amber */
    --primary-dark: #D97706;
    --secondary: #020617;
    /* Slate 950 - Deeper dark */
    --secondary-light: #1E293B;
    /* Slate 800 */
    --surface: #0F172A;
    /* Slate 900 */
    --accent: #38BDF8;
    --text-dark: #334155;
    --text-light: #94A3B8;
    --white: #FFFFFF;
    --bg-light: #F8FAFC;

    --gradient-hero: linear-gradient(135deg, rgba(2, 6, 23, 0.95) 0%, rgba(30, 41, 59, 0.90) 100%);
    --gradient-primary: linear-gradient(135deg, #F59E0B 0%, #D97706 100%);

    --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.05);
    --shadow-md: 0 10px 15px -3px rgb(0 0 0 / 0.1), 0 4px 6px -4px rgb(0 0 0 / 0.1);
    --shadow-lg: 0 20px 25px -5px rgb(0 0 0 / 0.1), 0 8px 10px -6px rgb(0 0 0 / 0.1);
    --shadow-xl: 0 25px 50px -12px rgb(0 0 0 / 0.25);
    --shadow-glow: 0 0 15px rgba(245, 158, 11, 0.3);

    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Inter', sans-serif;
}

html {
    scroll-behavior: smooth;
}

body {
    background-color: var(--bg-light);
    color: var(--text-dark);
    line-height: 1.6;
    overflow-x: hidden;
}

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

ul {
    list-style: none;
}

/* Utilities */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

.section-padding {
    padding: 100px 0;
}

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

.text-primary {
    color: var(--primary);
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 16px 36px;
    font-weight: 700;
    border-radius: 8px;
    font-size: 1rem;
    transition: var(--transition);
    cursor: pointer;
    gap: 10px;
    border: none;
    letter-spacing: 0.5px;
    text-transform: uppercase;
}

.btn-primary {
    background: var(--gradient-primary);
    color: var(--white);
    box-shadow: var(--shadow-glow);
}

.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 10px 30px rgba(245, 158, 11, 0.4);
}

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

.btn-secondary:hover {
    background-color: rgba(255, 255, 255, 0.9);
}

.btn-outline {
    background: rgba(255, 255, 255, 0.1);
    border: 2px solid rgba(255, 255, 255, 0.2);
    color: var(--white);
    backdrop-filter: blur(10px);
}

.btn-outline:hover {
    background: var(--white);
    color: var(--secondary);
    border-color: var(--white);
}

.btn-full-width {
    width: 100%;
}

/* Header */
.header {
    background-color: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    box-shadow: var(--shadow-sm);
    position: fixed;
    width: 100%;
    top: 0;
    z-index: 1000;
}

.top-bar {
    background-color: var(--secondary);
    color: #94A3B8;
    padding: 12px 0;
    font-size: 0.875rem;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.top-bar .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.top-info span {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    margin-right: 20px;
    color: var(--white);
    font-weight: 500;
}

.top-info i {
    color: var(--primary);
}

.navbar {
    padding: 20px 0;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    font-size: 1.75rem;
    font-weight: 900;
    color: var(--secondary);
    text-transform: uppercase;
    letter-spacing: -1px;
}

.logo span {
    color: var(--primary);
}

.nav-menu {
    display: flex;
    gap: 30px;
    align-items: center;
}

.nav-link {
    font-weight: 600;
    color: var(--secondary);
    font-size: 0.95rem;
    position: relative;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--primary);
    transition: var(--transition);
}

.nav-link:hover::after {
    width: 100%;
}

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

.mobile-toggle {
    display: none;
    font-size: 1.5rem;
    cursor: pointer;
    color: var(--secondary);
}

/* Hero Section */
.hero {
    margin-top: 80px;
    background: var(--secondary);
    color: var(--white);
    padding: 180px 0;
    position: relative;
    overflow: hidden;
    text-align: center;
    display: flex;
    align-items: center;
    justify-content: center;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: radial-gradient(circle at center, transparent 0%, rgba(2, 6, 23, 0.8) 100%);
    z-index: 0;
}

.hero-content {
    max-width: 900px;
    position: relative;
    z-index: 1;
}

.hero-badge {
    background: rgba(245, 158, 11, 0.15);
    color: var(--primary);
    padding: 8px 20px;
    border-radius: 50px;
    font-size: 0.9rem;
    font-weight: 600;
    display: inline-block;
    margin-bottom: 30px;
    border: 1px solid rgba(245, 158, 11, 0.3);
    backdrop-filter: blur(5px);
}

.hero h1 {
    font-size: 4.5rem;
    font-weight: 800;
    line-height: 1.1;
    margin-bottom: 25px;
    letter-spacing: -2px;
    text-shadow: 0 10px 30px rgba(0, 0, 0, 0.5);
}

.hero p {
    font-size: 1.35rem;
    color: #CBD5E1;
    margin-bottom: 50px;
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
    font-weight: 300;
}

/* Features */
.features-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
}

.feature-card {
    background: var(--white);
    padding: 40px 30px;
    border-radius: 16px;
    box-shadow: var(--shadow-lg);
    text-align: center;
    transition: var(--transition);
    border-bottom: 4px solid transparent;
}

.feature-card:hover {
    transform: translateY(-10px);
    border-bottom-color: var(--primary);
}

.feature-icon {
    width: 70px;
    height: 70px;
    background: rgba(245, 158, 11, 0.1);
    border-radius: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 25px;
    font-size: 1.75rem;
    color: var(--primary);
    transition: var(--transition);
}

.feature-card:hover .feature-icon {
    background: var(--primary);
    color: var(--white);
    transform: rotateY(180deg);
}

.feature-card h3 {
    margin-bottom: 15px;
    font-size: 1.25rem;
    color: var(--secondary);
    font-weight: 700;
}

/* Services */
.section-title {
    margin-bottom: 80px;
}

.section-title h2 {
    font-size: 3rem;
    font-weight: 800;
    color: var(--secondary);
    margin-bottom: 20px;
    letter-spacing: -1px;
}

.section-title p {
    color: var(--text-light);
    font-size: 1.1rem;
    max-width: 600px;
    margin: 0 auto;
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 40px;
}

.service-card {
    background: var(--white);
    border-radius: 16px;
    overflow: hidden;
    box-shadow: var(--shadow-md);
    transition: var(--transition);
    border: 1px solid #F1F5F9;
}

.service-card:hover {
    box-shadow: var(--shadow-lg);
    transform: translateY(-5px);
}

.service-img {
    height: 240px;
    background-color: var(--secondary);
    position: relative;
    transition: var(--transition);
}

.service-card:hover .service-img {
    transform: scale(1.05);
}

.service-body {
    padding: 35px;
    position: relative;
    background: var(--white);
}

.service-body h3 {
    font-size: 1.5rem;
    margin-bottom: 15px;
    color: var(--secondary);
    font-weight: 700;
}

.service-link {
    color: var(--primary);
    font-weight: 700;
    display: inline-flex;
    align-items: center;
    gap: 8px;
    margin-top: 10px;
}

.service-link i {
    transition: var(--transition);
}

.service-link:hover i {
    transform: translateX(5px);
}

/* Why Us */
.why-us {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 80px;
    align-items: center;
}

.why-content h2 {
    font-size: 2.75rem;
    margin-bottom: 30px;
    color: var(--secondary);
    font-weight: 800;
    line-height: 1.2;
}

.why-item {
    display: flex;
    gap: 20px;
    margin-bottom: 30px;
}

.check-icon {
    color: var(--primary);
    font-size: 1.5rem;
    background: rgba(245, 158, 11, 0.1);
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    flex-shrink: 0;
}

/* CTA */
.cta-section {
    background: var(--gradient-hero);
    color: var(--white);
    text-align: center;
    position: relative;
    isolation: isolate;
}

.cta-section::before {
    content: '';
    position: absolute;
    inset: 0;
    background: radial-gradient(circle at top right, rgba(245, 158, 11, 0.15), transparent 50%);
    z-index: -1;
}

.cta-section h2 {
    font-size: 3rem;
    font-weight: 800;
    margin-bottom: 20px;
}

/* Sticky Footer */
.sticky-footer {
    display: none;
    position: fixed;
    bottom: 0;
    left: 0;
    width: 100%;
    z-index: 9999;
    box-shadow: 0 -5px 20px rgba(0, 0, 0, 0.2);
}

.sticky-btn {
    flex: 1;
    padding: 18px;
    text-align: center;
    font-weight: 700;
    color: var(--white);
    text-transform: uppercase;
    font-size: 1.1rem;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    letter-spacing: 0.5px;
}

.btn-whatsapp {
    background-color: #25D366;
}

.btn-call {
    background: var(--gradient-primary);
}

/* Footer */
footer {
    background-color: var(--secondary);
    color: #94A3B8;
    padding: 80px 0 30px;
    border-top: 1px solid rgba(255, 255, 255, 0.05);
}

.footer-col h4 {
    color: var(--white);
    font-size: 1.2rem;
    margin-bottom: 25px;
    font-weight: 700;
}

.footer-links a:hover {
    color: var(--primary);
    padding-left: 5px;
}

/* Responsive */
@media (max-width: 992px) {
    .features-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 20px;
    }

    .hero h1 {
        font-size: 3rem;
    }

    .why-us {
        grid-template-columns: 1fr;
        gap: 40px;
    }

    .service-img {
        height: 200px;
    }

    .hero-content {
        padding: 0 15px;
    }
}

@media (max-width: 768px) {
    .top-bar {
        display: none;
    }

    .header {
        height: auto;
        padding: 10px 0;
    }

    .nav-menu {
        display: none;
        position: absolute;
        top: 100%;
        left: 0;
        width: 100%;
        background: var(--white);
        flex-direction: column;
        padding: 30px;
        box-shadow: var(--shadow-lg);
        border-top: 1px solid #f1f5f9;
        gap: 20px;
    }

    .nav-menu.active {
        display: flex;
    }

    .mobile-toggle {
        display: block;
    }

    .hero {
        margin-top: 60px;
        padding: 100px 0 100px;
    }

    .hero h1 {
        font-size: 2.25rem;
    }

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

    .sticky-footer {
        display: flex;
    }

    body {
        padding-bottom: 60px;
    }

    .section-title h2 {
        font-size: 2.25rem;
    }

    .section-padding {
        padding: 60px 0;
    }

    .stats-strip .features-grid {
        grid-template-columns: repeat(2, 1fr) !important;
    }
}