:root {
    --primary: #111827;
    /* Gray 900 - Soluk Siyah */
    --primary-light: #374151;
    /* Gray 700 */
    --accent: #D03801;
    /* Deep Orange/Red - Very noticeable */
    --accent-hover: #A02B01;
    --text-main: #1F2937;
    --text-light: #4B5563;
    --bg-light: #F3F4F6;
    --white: #FFFFFF;
    --transition: all 0.3s ease;
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
    --radius: 8px;
    /* Slightly sharper radius for professional look */
}

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

html {
    scroll-behavior: smooth;
    font-size: 16px;
}

body {
    font-family: 'Outfit', 'Inter', sans-serif;
    color: var(--text-main);
    background-color: var(--bg-light);
    line-height: 1.6;
    overflow-x: hidden;
}

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

ul {
    list-style: none;
}

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

/* 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);
}

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

/* Buttons */
.btn {
    display: inline-block;
    padding: 14px 32px;
    border-radius: 6px;
    font-weight: 700;
    /* Bolder text */
    text-transform: uppercase;
    letter-spacing: 0.5px;
    cursor: pointer;
    border: none;
    transition: var(--transition);
    text-align: center;
}

.btn i {
    margin-right: 8px;
}

.btn-primary {
    background-color: var(--primary);
    color: var(--white) !important;
    /* Force white text */
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.2);
}

.btn-primary:hover {
    background-color: var(--primary-light);
    transform: translateY(-2px);
    box-shadow: 0 6px 12px rgba(0, 0, 0, 0.3);
}

.btn-accent {
    background-color: var(--accent);
    color: var(--white) !important;
    box-shadow: 0 4px 6px rgba(208, 56, 1, 0.4);
}

.btn-accent:hover {
    background-color: var(--accent-hover);
    transform: translateY(-2px);
    box-shadow: 0 6px 12px rgba(208, 56, 1, 0.5);
}

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

nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 80px;
}

.logo {
    font-size: 1.5rem;
    font-weight: 800;
    color: var(--primary);
    display: flex;
    align-items: center;
    gap: 8px;
}

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

.nav-links {
    display: flex;
    gap: 40px;
    align-items: center;
}

.nav-links a {
    font-weight: 500;
    font-size: 0.95rem;
    color: var(--primary);
}

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

.mobile-menu-btn {
    display: none;
    font-size: 1.5rem;
    cursor: pointer;
    color: var(--primary);
}

/* Hero Section */
.hero {
    position: relative;
    height: 100vh;
    min-height: 600px;
    display: flex;
    align-items: center;
    background: linear-gradient(rgba(15, 23, 42, 0.75), rgba(15, 23, 42, 0.5)), url('hero_background.jpg');
    background-size: cover;
    background-position: center;
    background-attachment: fixed;
    color: var(--white);
    margin-top: -80px;
    /* Offset header height */
    padding-top: 80px;
}

.hero-content {
    max-width: 800px;
    animation: fadeInUp 1s ease-out;
}

.hero h1 {
    font-size: 4rem;
    font-weight: 800;
    line-height: 1.1;
    margin-bottom: 24px;
}

.hero p {
    font-size: 1.25rem;
    margin-bottom: 32px;
    color: #CBD5E1;
}

/* Products Section - ZigZag Layout */
.product-showcase {
    display: flex;
    flex-direction: column;
    gap: 100px;
    margin-top: 60px;
}

.product-row {
    display: flex;
    align-items: center;
    gap: 80px;
}

/* Reverse layout for the second item (Text Left, Image Right) */
.product-row.reverse {
    flex-direction: row-reverse;
}

.product-visual {
    flex: 1;
    position: relative;
    border-radius: 20px;
    overflow: hidden;
    box-shadow: var(--shadow-lg);
    background: var(--white);
    border: 8px solid var(--white);
}

.product-visual::before {
    content: '';
    position: absolute;
    inset: 0;
    background: rgba(0, 0, 0, 0.03);
    z-index: 1;
    pointer-events: none;
}

.product-visual img {
    width: 100%;
    height: auto;
    display: block;
    transition: transform 0.7s cubic-bezier(0.2, 1, 0.2, 1);
}

.product-row:hover .product-visual img {
    transform: scale(1.08);
}

.product-info {
    flex: 1;
}

.product-price-badge {
    display: inline-block;
    background: var(--primary);
    color: var(--white);
    padding: 8px 16px;
    border-radius: 6px;
    font-weight: 600;
    font-size: 0.9rem;
    margin-bottom: 20px;
}

.product-title {
    font-size: 2.5rem;
    font-weight: 800;
    margin-bottom: 20px;
    color: var(--primary);
    line-height: 1.2;
}

.product-desc {
    font-size: 1.1rem;
    color: var(--text-light);
    margin-bottom: 30px;
    line-height: 1.8;
}

.product-features {
    margin-bottom: 35px;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 15px;
}

.product-features li {
    display: flex;
    align-items: center;
    gap: 12px;
    font-weight: 500;
    color: var(--text-main);
}

.product-features li i {
    color: var(--accent);
    font-size: 1.1rem;
}

@media (max-width: 968px) {

    .product-row,
    .product-row.reverse {
        flex-direction: column;
        gap: 40px;
        text-align: center;
    }

    .product-features {
        justify-content: center;
        text-align: left;
    }

    .product-title {
        font-size: 2rem;
    }
}

/* Features/Benefits Section */
.features-section {
    background: var(--bg-light);
}

.feature-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 30px;
    margin-top: 50px;
}

.feature-item {
    background: var(--white);
    padding: 40px;
    border-radius: var(--radius);
    text-align: center;
    transition: var(--transition);
}

.feature-item:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-md);
}

.feature-icon {
    font-size: 2.5rem;
    margin-bottom: 20px;
    display: inline-block;
    color: var(--accent);
}

.feature-title {
    font-size: 1.25rem;
    font-weight: 700;
    margin-bottom: 12px;
    color: var(--primary);
}

/* Contact/Footer */
.contact-section {
    background: var(--primary);
    color: var(--white);
    text-align: center;
}

.contact-content h2 {
    color: var(--white);
    margin-bottom: 20px;
}

.contact-grid {
    display: flex;
    justify-content: center;
    gap: 40px;
    margin-top: 40px;
    flex-wrap: wrap;
}

.contact-card {
    background: rgba(255, 255, 255, 0.1);
    padding: 40px;
    border-radius: var(--radius);
    backdrop-filter: blur(5px);
    min-width: 250px;
}

.contact-card h3 {
    margin: 10px 0;
    font-size: 1.2rem;
}

footer {
    background: var(--primary-light);
    color: #94A3B8;
    padding: 30px 0;
    text-align: center;
    font-size: 0.9rem;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

/* Mobile Responsive */
@media (max-width: 768px) {
    .hero h1 {
        font-size: 2.5rem;
    }

    .mobile-menu-btn {
        display: block;
    }

    .nav-links {
        position: fixed;
        top: 80px;
        left: 0;
        width: 100%;
        background: var(--white);
        flex-direction: column;
        padding: 40px;
        gap: 20px;
        text-align: center;
        transform: translateY(-150%);
        transition: var(--transition);
        box-shadow: var(--shadow-lg);
    }

    .nav-links.active {
        transform: translateY(0);
    }
}

/* Animations */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.fade-in {
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.6s ease-out, transform 0.6s ease-out;
}

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