/* ===== CSS RESET & BASE ===== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --color-black: #000000;
    --color-white: #ffffff;
    --color-text-overlay: #5a6c7d;
    --sidebar-width: 120px;
    --header-height: 72px;
    --footer-height: 80px;
    --transition-smooth: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-fast: all 0.2s ease;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    overflow-x: hidden;
    background-color: var(--color-black);
    color: var(--color-white);
    line-height: 1.5;
}

/* ===== HEADER ===== */
.header {
    background: linear-gradient(135deg, #ffffff 0%, #ffffff 100%);
    color: var(--color-white);
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    height: var(--header-height);
    z-index: 1000;
    box-shadow: 0 2px 20px rgba(255, 255, 255, 0.3);
}

.header-container {
    max-width: 100%;
    height: 100%;
    padding: 0 50px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    display: flex;
    align-items: center;
    gap: 12px;
    cursor: pointer;
    transition: var(--transition-smooth);
    text-decoration: none;
    margin-left: 30px;
}

.logo:hover {
    transform: scale(1.05);
}

.logo-image {
    height: 100px;
    width: auto;
    transition: var(--transition-smooth);
}

.logo-text {
    font-size: 30px;
    font-weight: 800;
    letter-spacing: 3px;
    text-transform: uppercase;
    background: linear-gradient(135deg, #000000 0%, #000000 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    transition: var(--transition-smooth);
}

.logo:hover .logo-text {
    letter-spacing: 4px;
}

.nav {
    display: flex;
    gap: 45px;
    align-items: center;
}

.nav-link {
    color: var(--color-black);
    text-decoration: none;
    font-size: 14px;
    font-weight: 500;
    letter-spacing: 0.5px;
    position: relative;
    padding: 8px 0;
    transition: var(--transition-smooth);
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background: linear-gradient(90deg, #000000, #000000);
    transition: width 0.3s ease;
}

.nav-link:hover {
    color: #000000;
}

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

/* ===== MAIN CONTENT ===== */
.main-content {
    margin-top: var(--header-height);
    display: flex;
    height: calc(100vh - var(--header-height) - var(--footer-height));
    position: relative;
}

/* ===== SIDEBAR ===== */
.sidebar {
    background: linear-gradient(180deg, rgba(0, 0, 0, 0.85) 0%, rgba(0, 0, 0, 0.75) 100%);
    backdrop-filter: blur(10px);
    width: var(--sidebar-width);
    position: fixed;
    left: 0;
    top: var(--header-height);
    bottom: var(--footer-height);
    z-index: 100;
    box-shadow: 2px 0 15px rgba(0, 0, 0, 0.3);
}

.sidebar-nav {
    display: flex;
    flex-direction: column;
    height: 100%;
    justify-content: center;
    padding: 20px 0;
}

.sidebar-link {
    color: var(--color-white);
    text-decoration: none;
    padding: 18px 25px;
    font-size: 14px;
    font-weight: 500;
    letter-spacing: 0.5px;
    transition: var(--transition-smooth);
    position: relative;
    overflow: hidden;
}

.sidebar-link::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0;
    bottom: 0;
    width: 3px;
    background: linear-gradient(180deg, #ffffff, #999999);
    transform: translateX(-100%);
    transition: transform 0.3s ease;
}

.sidebar-link:hover {
    background-color: rgba(255, 255, 255, 0.12);
    padding-left: 30px;
    color: #ffffff;
}

.sidebar-link:hover::before {
    transform: translateX(0);
}

.sidebar-text {
    display: block;
    transition: var(--transition-smooth);
}

/* ===== HERO SECTION ===== */
.hero-section {
    flex: 1;
    margin-left: var(--sidebar-width);
    position: relative;
    overflow: hidden;
    background-color: #1a1a1a;
}

.slider-container {
    width: 100%;
    height: 100%;
    position: relative;
}

.slider {
    width: 100%;
    height: 100%;
    position: relative;
}

.slide {
    width: 100%;
    height: 100%;
    position: absolute;
    top: 0;
    left: 0;
    opacity: 0;
    transition: opacity 0.8s ease-in-out;
}

.slide.active {
    opacity: 1;
    position: relative;
}

.slide-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(to bottom,
            rgba(0, 0, 0, 0.1) 0%,
            rgba(0, 0, 0, 0.05) 50%,
            rgba(0, 0, 0, 0.1) 100%);
    z-index: 1;
}

.slide-image {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center;
    animation: kenBurns 20s ease-in-out infinite alternate;
}

@keyframes kenBurns {
    0% {
        transform: scale(1);
    }

    100% {
        transform: scale(1.05);
    }
}

.slide-content {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 2;
}

.slide-text {
    text-align: center;
    animation: fadeInUp 1s ease-out;
}

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

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

.slide-title {
    font-size: 56px;
    font-weight: 800;
    letter-spacing: 4px;
    color: var(--color-text-overlay);
    margin-bottom: 5px;
    text-transform: uppercase;
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.1);
}

.slide-subtitle {
    font-size: 56px;
    font-weight: 800;
    letter-spacing: 4px;
    color: var(--color-text-overlay);
    text-transform: uppercase;
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.1);
}

/* ===== SLIDER DOTS ===== */
.slider-dots {
    position: absolute;
    bottom: 35px;
    right: 35px;
    display: flex;
    gap: 12px;
    z-index: 20;
}

.dot {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background-color: rgba(255, 255, 255, 0.4);
    border: none;
    cursor: pointer;
    transition: var(--transition-smooth);
    padding: 0;
}

.dot:hover {
    background-color: rgba(255, 255, 255, 0.7);
    transform: scale(1.2);
}

.dot.active {
    background-color: var(--color-white);
    transform: scale(1.3);
}

/* ===== SLIDER ARROW CONTROLS ===== */
.slider-arrow {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    background-color: rgba(0, 0, 0, 0.5);
    color: var(--color-white);
    border: none;
    width: 50px;
    height: 50px;
    border-radius: 50%;
    cursor: pointer;
    z-index: 20;
    transition: var(--transition-smooth);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 24px;
}

.slider-arrow:hover {
    background-color: rgba(0, 0, 0, 0.8);
    transform: translateY(-50%) scale(1.1);
}

.prev-btn {
    left: 30px;
}

.next-btn {
    right: 30px;
}

/* ===== PRODUCT SLIDER SPECIFIC ===== */
.product-slider {
    width: 100%;
    height: 100%;
    position: relative;
}

.product-slide {
    width: 100%;
    height: 100%;
    position: absolute;
    top: 0;
    left: 0;
    opacity: 0;
    transition: opacity 1s ease-in-out;
    background-color: #000000;
}

.product-slide.active {
    opacity: 1;
    position: relative;
}

.product-slide img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center;
}


/* ===== FOOTER ===== */
.footer {
    background-color: var(--color-black);
    color: var(--color-white);
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    height: var(--footer-height);
    z-index: 1000;
    box-shadow: 0 -2px 20px rgba(0, 0, 0, 0.3);
}

.footer-container {
    max-width: 100%;
    height: 100%;
    padding: 0 50px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.footer-left {
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.copyright {
    font-size: 11px;
    font-weight: 700;
    letter-spacing: 1px;
    color: #ffffff;
}

.tagline {
    font-size: 11px;
    font-weight: 400;
    letter-spacing: 0.5px;
    color: #cccccc;
}

.footer-right {
    display: flex;
    gap: 35px;
    align-items: center;
}

.footer-link {
    color: var(--color-white);
    text-decoration: none;
    font-size: 11px;
    font-weight: 500;
    letter-spacing: 0.3px;
    transition: var(--transition-fast);
    position: relative;
}

.footer-link:hover {
    color: #cccccc;
    transform: translateY(-1px);
}

/* ===== RESPONSIVE DESIGN ===== */
@media (max-width: 1024px) {
    .header-container {
        padding: 0 30px;
    }

    .nav {
        gap: 30px;
    }

    .nav-link {
        font-size: 13px;
    }

    .slide-title,
    .slide-subtitle {
        font-size: 48px;
    }
}

@media (max-width: 768px) {
    :root {
        --sidebar-width: 80px;
        --header-height: 120px;
        --footer-height: 140px;
    }

    .header-container {
        flex-direction: column;
        gap: 15px;
        padding: 15px 20px;
        justify-content: center;
    }

    .logo-image {
        height: 36px;
    }

    .logo-text {
        font-size: 28px;
    }

    .nav {
        gap: 20px;
        flex-wrap: wrap;
        justify-content: center;
    }

    .nav-link {
        font-size: 12px;
    }

    .sidebar {
        width: var(--sidebar-width);
    }

    .sidebar-link {
        padding: 15px 10px;
        font-size: 11px;
        text-align: center;
    }

    .slide-title,
    .slide-subtitle {
        font-size: 32px;
        letter-spacing: 2px;
    }

    .slider-dots {
        bottom: 20px;
        right: 20px;
        gap: 8px;
    }

    .dot {
        width: 8px;
        height: 8px;
    }

    .footer-container {
        flex-direction: column;
        gap: 20px;
        padding: 20px;
        text-align: center;
    }

    .footer-right {
        flex-direction: column;
        gap: 12px;
    }
}

@media (max-width: 480px) {

    .slide-title,
    .slide-subtitle {
        font-size: 24px;
        letter-spacing: 1px;
    }

    .sidebar-link {
        font-size: 10px;
        padding: 12px 8px;
    }
}