/* ==========================================================================
   CSS Variables & Tokens
   ========================================================================== */
:root {
    --color-primary: #d92027;
    /* GSB Red */
    --color-primary-dark: #b81b21;
    --color-dark: #121212;
    --color-darker: #0a0a0a;
    --color-light: #f4f4f4;
    --color-white: #ffffff;
    --color-gray: #888888;
    --color-gray-light: #dddddd;

    --font-primary: 'Inter', sans-serif;

    --transition: all 0.3s ease-in-out;
    --border-radius: 4px;
    --box-shadow: 0 10px 30px rgba(0, 0, 0, 0.5);
}

/* ==========================================================================
   Reset & Base Styles
   ========================================================================== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-primary);
    background-color: var(--color-white);
    color: var(--color-dark);
    line-height: 1.6;
    overflow-x: hidden;
}

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

ul {
    list-style: none;
}

.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

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

.section {
    padding: 100px 0;
}

.bg-dark {
    background-color: var(--color-dark);
    color: var(--color-white);
}

/* ==========================================================================
   Typography
   ========================================================================== */
h1,
h2,
h3,
h4,
h5,
h6 {
    font-weight: 800;
    line-height: 1.2;
    margin-bottom: 20px;
    text-transform: uppercase;
}

.section-subtitle {
    font-size: 0.9rem;
    color: var(--color-primary);
    letter-spacing: 2px;
    margin-bottom: 10px;
    display: inline-block;
    border-bottom: 2px solid var(--color-primary);
    padding-bottom: 5px;
}

.section-title {
    font-size: 2.5rem;
    margin-bottom: 30px;
}

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

/* ==========================================================================
   Buttons
   ========================================================================== */
.btn-primary,
.btn-secondary,
.btn-primary-sm {
    display: inline-block;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
    border: none;
    cursor: pointer;
    transition: var(--transition);
    text-align: center;
}

.btn-primary {
    background-color: var(--color-primary);
    color: var(--color-white);
    padding: 15px 30px;
    position: relative;
    overflow: hidden;
    z-index: 1;
}

.btn-primary::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-color: var(--color-primary-dark);
    z-index: -1;
    transform: scaleX(0);
    transform-origin: left;
    transition: transform 0.4s ease-in-out;
}

.btn-primary:hover::before {
    transform: scaleX(1);
}

.btn-secondary {
    background-color: transparent;
    color: var(--color-white);
    border: 2px solid var(--color-white);
    padding: 13px 30px;
}

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

.btn-primary-sm {
    background-color: var(--color-primary);
    color: var(--color-white);
    padding: 10px 20px;
    font-size: 0.9rem;
}

.btn-primary-sm:hover {
    background-color: var(--color-primary-dark);
}

.w-100 {
    width: 100%;
}

/* ==========================================================================
   Navigation
   ========================================================================== */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    padding: 20px 0;
    background-color: rgba(18, 18, 18, 0.95);
    backdrop-filter: blur(10px);
    z-index: 1000;
    transition: var(--transition);
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

.navbar.scrolled {
    padding: 15px 0;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.3);
}

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

.logo {
    font-size: 1.8rem;
    font-weight: 800;
    color: var(--color-white);
    letter-spacing: 1px;
}

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

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

.nav-links a:not(.btn-primary-sm) {
    color: var(--color-light);
    font-size: 0.95rem;
    font-weight: 600;
    text-transform: uppercase;
    position: relative;
}

.nav-links a:not(.btn-primary-sm)::after {
    content: '';
    position: absolute;
    width: 0;
    height: 2px;
    bottom: -5px;
    left: 0;
    background-color: var(--color-primary);
    transition: var(--transition);
}

.nav-links a:not(.btn-primary-sm):hover::after {
    width: 100%;
}

.nav-links a:not(.btn-primary-sm):hover {
    color: var(--color-primary);
}

/* Dropdown */
.dropdown {
    position: relative;
    display: flex;
    align-items: center;
}

.dropdown>a {
    display: flex;
    align-items: center;
    gap: 5px;
}

.dropdown-content {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    background-color: var(--color-dark);
    min-width: 250px;
    box-shadow: 0px 8px 16px 0px rgba(0, 0, 0, 0.5);
    z-index: 1000;
    border-top: 3px solid var(--color-primary);
    padding: 10px 0;
}

.dropdown-content a {
    color: var(--color-white) !important;
    padding: 12px 20px;
    text-decoration: none;
    display: block;
    text-transform: none !important;
    font-size: 0.9rem !important;
    font-weight: 400 !important;
}

.dropdown-content a::after {
    display: none !important;
}

.dropdown-content a:hover {
    background-color: rgba(255, 255, 255, 0.05);
    color: var(--color-primary) !important;
    padding-left: 25px;
}

.dropdown:hover .dropdown-content {
    display: block;
}

.hamburger {
    display: none;
    color: var(--color-white);
    font-size: 1.5rem;
    cursor: pointer;
}

/* ==========================================================================
   Hero Section
   ========================================================================== */
.hero {
    height: 100vh;
    min-height: 600px;
    background: url('../assets/images/hero_bg.jpeg') center/cover no-repeat;
    position: relative;
    display: flex;
    align-items: center;
    padding-top: 80px;
}

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, rgba(10, 10, 10, 0.9) 0%, rgba(10, 10, 10, 0.6) 50%, rgba(10, 10, 10, 0.2) 100%);
}

.hero-content {
    position: relative;
    z-index: 2;
    color: var(--color-white);
    max-width: 800px;
}

.hero-subtitle {
    font-size: 1.1rem;
    letter-spacing: 3px;
    color: var(--color-primary);
    margin-bottom: 20px;
}

.hero-title {
    font-size: 4rem;
    margin-bottom: 20px;
}

.hero-text {
    font-size: 1.2rem;
    margin-bottom: 40px;
    color: var(--color-gray-light);
    max-width: 600px;
}

.hero-buttons {
    display: flex;
    gap: 20px;
}

/* ==========================================================================
   About Section
   ========================================================================== */
.about-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
}

.about-text p {
    color: var(--color-gray);
    margin-bottom: 20px;
    font-size: 1.1rem;
}

.feature-list {
    margin-top: 30px;
}

.feature-list li {
    font-size: 1.1rem;
    font-weight: 600;
    margin-bottom: 15px;
    display: flex;
    align-items: center;
    gap: 15px;
}

.about-stats {
    display: flex;
    flex-direction: column;
    gap: 30px;
}

.stat-box {
    background-color: var(--color-dark);
    color: var(--color-white);
    padding: 40px;
    border-left: 5px solid var(--color-primary);
    box-shadow: 0 15px 30px rgba(0, 0, 0, 0.1);
    transition: transform 0.3s;
}

.stat-box:hover {
    transform: translateY(-5px);
}

.stat-number {
    font-size: 3.5rem;
    color: var(--color-primary);
    margin-bottom: 10px;
}

.stat-label {
    font-size: 1.1rem;
    text-transform: uppercase;
    font-weight: 600;
    letter-spacing: 1px;
}

/* ==========================================================================
   Products Section
   ========================================================================== */
.product-cards {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 30px;
    margin-top: 50px;
}

.card {
    background-color: var(--color-darker);
    color: var(--color-white);
    overflow: hidden;
    position: relative;
    transition: var(--transition);
}

.card:hover {
    transform: translateY(-10px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.8);
}

.card-img {
    height: 250px;
    background-size: cover;
    background-position: center;
    position: relative;
}

.card-img::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 50%;
    background: linear-gradient(to top, var(--color-darker), transparent);
}

.card-content {
    padding: 30px;
    position: relative;
    border-top: 3px solid var(--color-primary);
}

.card-content h3 {
    font-size: 1.5rem;
    margin-bottom: 15px;
}

.card-content p {
    color: var(--color-gray);
    margin-bottom: 25px;
    font-size: 0.95rem;
}

.card-link {
    color: var(--color-primary);
    font-weight: 600;
    text-transform: uppercase;
    font-size: 0.9rem;
    display: inline-flex;
    align-items: center;
    gap: 10px;
}

.card-link i {
    transition: transform 0.3s;
}

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

/* ==========================================================================
   Contact Section
   ========================================================================== */
.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
}

.contact-info p {
    color: var(--color-gray);
    margin-bottom: 40px;
    font-size: 1.1rem;
}

.info-item {
    display: flex;
    align-items: flex-start;
    gap: 20px;
    margin-bottom: 30px;
}

.info-icon {
    width: 50px;
    height: 50px;
    background-color: rgba(217, 32, 39, 0.1);
    color: var(--color-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    border-radius: 50%;
}

.info-text h4 {
    margin-bottom: 5px;
    font-size: 1.2rem;
}

.info-text p,
.info-text a {
    color: var(--color-gray);
    margin-bottom: 0;
}

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

.contact-form-container {
    background-color: var(--color-light);
    padding: 50px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.05);
}

.form-group {
    margin-bottom: 20px;
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 15px;
    border: 1px solid var(--color-gray-light);
    background-color: var(--color-white);
    font-family: var(--font-primary);
    font-size: 1rem;
    transition: var(--transition);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px rgba(217, 32, 39, 0.1);
}

/* ==========================================================================
   Footer
   ========================================================================== */
footer {
    background-color: var(--color-darker);
    color: var(--color-gray);
    padding: 30px 0;
    text-align: center;
    border-top: 1px solid rgba(255, 255, 255, 0.05);
}

/* ==========================================================================
   Media Queries
   ========================================================================== */
@media (max-width: 992px) {

    .about-grid,
    .contact-grid {
        grid-template-columns: 1fr;
    }

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

@media (max-width: 768px) {
    .nav-links {
        position: fixed;
        top: 0;
        right: -100%;
        width: 250px;
        height: 100vh;
        background-color: var(--color-dark);
        flex-direction: column;
        justify-content: center;
        transition: 0.5s;
        box-shadow: -5px 0 15px rgba(0, 0, 0, 0.5);
    }

    .nav-links.active {
        right: 0;
    }

    .hamburger {
        display: block;
        z-index: 1001;
    }

    .hero-title {
        font-size: 2.5rem;
    }

    .hero-buttons {
        flex-direction: column;
    }

    .section {
        padding: 60px 0;
    }

    .contact-form-container {
        padding: 30px 20px;
    }
}