/* ===================================
   LUNEXSOVA - Premium Portfolio CSS
   Luxury Design System
   =================================== */

/* ===== CSS VARIABLES ===== */
:root {
    /* Color Palette */
    --color-black: #0b0b0b;
    --color-gold: #d4af37;
    --color-silver: #cfd2d6;
    --color-gold-dark: #b8941f;
    --color-gold-light: #e6c85a;
    --color-white: #ffffff;
    --color-gray-dark: #1a1a1a;
    --color-gray-medium: #2a2a2a;

    /* Typography */
    --font-primary: 'Inter', 'Noto Sans Arabic', 'Noto Sans SC', sans-serif;
    --font-size-base: 16px;
    --font-size-small: 14px;
    --font-size-large: 18px;
    --font-size-h1: 4rem;
    --font-size-h2: 3rem;
    --font-size-h3: 2rem;
    --font-size-h4: 1.5rem;
    --line-height-base: 1.6;
    --line-height-heading: 1.2;

    /* Spacing */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 2rem;
    --spacing-lg: 4rem;
    --spacing-xl: 6rem;

    /* Transitions */
    --transition-fast: 0.2s ease;
    --transition-medium: 0.3s ease;
    --transition-slow: 0.5s ease;

    /* Shadows */
    --shadow-small: 0 2px 8px rgba(0, 0, 0, 0.3);
    --shadow-medium: 0 4px 16px rgba(0, 0, 0, 0.4);
    --shadow-large: 0 8px 32px rgba(0, 0, 0, 0.5);
    --shadow-gold: 0 4px 20px rgba(212, 175, 55, 0.3);

    /* Border Radius */
    --radius-small: 4px;
    --radius-medium: 8px;
    --radius-large: 16px;
}

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

html {
    scroll-behavior: smooth;
    font-size: var(--font-size-base);
}

body {
    font-family: var(--font-primary);
    background-color: var(--color-black);
    color: var(--color-silver);
    line-height: var(--line-height-base);
    overflow-x: hidden;
}

/* ===== TYPOGRAPHY ===== */
h1,
h2,
h3,
h4,
h5,
h6 {
    color: var(--color-gold);
    line-height: var(--line-height-heading);
    font-weight: 700;
    margin-bottom: var(--spacing-md);
}

h1 {
    font-size: var(--font-size-h1);
}

h2 {
    font-size: var(--font-size-h2);
}

h3 {
    font-size: var(--font-size-h3);
}

h4 {
    font-size: var(--font-size-h4);
}

p {
    margin-bottom: var(--spacing-sm);
    color: var(--color-silver);
}

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

a:hover {
    color: var(--color-gold-light);
}

/* ===== UTILITY CLASSES ===== */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-md);
}

.section {
    padding: var(--spacing-xl) 0;
    position: relative;
}

.section-title {
    text-align: center;
    margin-bottom: var(--spacing-lg);
}

.section-subtitle {
    text-align: center;
    color: var(--color-silver);
    font-size: var(--font-size-large);
    margin-bottom: var(--spacing-md);
}

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

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

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

/* ===== BUTTONS ===== */
.btn {
    display: inline-block;
    padding: 1rem 2.5rem;
    font-size: var(--font-size-base);
    font-weight: 600;
    text-align: center;
    border: 2px solid var(--color-gold);
    border-radius: var(--radius-small);
    cursor: pointer;
    transition: all var(--transition-medium);
    position: relative;
    overflow: hidden;
    z-index: 1;
}

.btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, var(--color-gold), transparent);
    transition: left var(--transition-slow);
    z-index: -1;
}

.btn:hover::before {
    left: 100%;
}

.btn-primary {
    background-color: var(--color-gold);
    color: var(--color-black);
}

.btn-primary:hover {
    background-color: var(--color-gold-light);
    box-shadow: var(--shadow-gold);
    transform: translateY(-2px);
    color: gray;
}

.btn-outline {
    background-color: transparent;
    color: var(--color-gold);
}

.btn-outline:hover {
    background-color: var(--color-gold);
    color: var(--color-black);
    box-shadow: var(--shadow-gold);
}

/* ===== HEADER & NAVIGATION ===== */
.header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    background-color: rgba(11, 11, 11, 0.95);
    backdrop-filter: blur(10px);
    z-index: 1000;
    transition: all var(--transition-medium);
    border-bottom: 1px solid rgba(212, 175, 55, 0.1);
}

.header.scrolled {
    box-shadow: var(--shadow-medium);
    border-bottom-color: rgba(212, 175, 55, 0.3);
}

.nav-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1.5rem var(--spacing-md);
    max-width: 1400px;
    margin: 0 auto;
}

.logo {
    font-size: 1.8rem;
    font-weight: 700;
    color: var(--color-gold);
    letter-spacing: 2px;
    text-transform: uppercase;
}


.nav-menu {
    display: flex;
    list-style: none;
    gap: var(--spacing-md);
    align-items: center;
}

.nav-link {
    color: var(--color-silver);
    font-weight: 500;
    padding: 0.5rem 1rem;
    position: relative;
    transition: color var(--transition-fast);
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 0;
    height: 2px;
    background-color: var(--color-gold);
    transition: width var(--transition-medium);
}

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

.nav-link:hover::after {
    width: 80%;
}

/* Language Switcher */
.language-switcher {
    position: relative;
}

.lang-button {
    background: transparent;
    border: 1px solid var(--color-gold);
    color: var(--color-gold);
    padding: 0.5rem 1rem;
    border-radius: var(--radius-small);
    cursor: pointer;
    font-size: 0.9rem;
    font-weight: 600;
    transition: all var(--transition-fast);
}

.lang-button:hover {
    background-color: var(--color-gold);
    color: var(--color-black);
}

.lang-dropdown {
    position: absolute;
    top: 120%;
    right: 0;
    background-color: var(--color-gray-dark);
    border: 1px solid var(--color-gold);
    border-radius: var(--radius-small);
    padding: 0.5rem 0;
    min-width: 120px;
    opacity: 0;
    visibility: hidden;
    transform: translateY(-10px);
    transition: all var(--transition-medium);
    box-shadow: var(--shadow-medium);
}

.language-switcher:hover .lang-dropdown {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.lang-option {
    display: block;
    padding: 0.7rem 1.2rem;
    color: var(--color-silver);
    transition: all var(--transition-fast);
    cursor: pointer;
}

.lang-option:hover {
    background-color: var(--color-gold);
    color: var(--color-black);
}

.lang-option.active {
    color: var(--color-gold);
    font-weight: 600;
}

/* Mobile Menu Toggle */
.menu-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: transparent;
    border: none;
    cursor: pointer;
    padding: 0.5rem;
}

.menu-toggle span {
    width: 25px;
    height: 3px;
    background-color: var(--color-gold);
    transition: all var(--transition-fast);
    border-radius: 2px;
}

/* ===== HERO SECTION ===== */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    overflow: hidden;
    background: linear-gradient(135deg, var(--color-black) 0%, var(--color-gray-dark) 100%);
}

/* Hero Video Background */
.hero-video {
    position: absolute;
    top: 50%;
    left: 50%;
    min-width: 100%;
    min-height: 100%;
    width: auto;
    height: auto;
    transform: translate(-50%, -50%);
    z-index: 0;
    object-fit: cover;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(11, 11, 11, 0.6);
    z-index: 1;
    pointer-events: none;
}

.hero::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: radial-gradient(circle at 50% 50%, rgba(212, 175, 55, 0.15) 0%, transparent 70%);
    z-index: 1;
    pointer-events: none;
}

.hero-content {
    text-align: center;
    z-index: 2;
    max-width: 900px;
    padding: var(--spacing-md);
    animation: fadeInUp 1s ease;
    position: relative;
}

.hero-title {
    font-size: clamp(3rem, 8vw, 6rem);
    margin-bottom: var(--spacing-sm);
    background: linear-gradient(135deg, var(--color-gold) 0%, var(--color-gold-light) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    letter-spacing: 4px;
}

.hero-subtitle {
    font-size: clamp(1.2rem, 3vw, 2rem);
    color: var(--color-silver);
    margin-bottom: var(--spacing-sm);
    font-weight: 300;
}

.hero-description {
    font-size: var(--font-size-large);
    color: var(--color-silver);
    margin-bottom: var(--spacing-lg);
    opacity: 0.9;
}

.hero-buttons {
    display: flex;
    gap: var(--spacing-md);
    justify-content: center;
    flex-wrap: wrap;
}

/* ===== ABOUT SECTION ===== */
.about {
    background-color: var(--color-gray-dark);
}

.about-content {
    max-width: 800px;
    margin: 0 auto var(--spacing-lg);
    text-align: center;
}

.about-intro {
    font-size: var(--font-size-large);
    line-height: 1.8;
    color: var(--color-silver);
}

.expertise-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-md);
    margin-top: var(--spacing-lg);
}

.expertise-card {
    background-color: var(--color-black);
    padding: var(--spacing-md);
    border-radius: var(--radius-medium);
    border: 1px solid rgba(212, 175, 55, 0.2);
    transition: all var(--transition-medium);
    text-align: center;
}

.expertise-card:hover {
    border-color: var(--color-gold);
    transform: translateY(-5px);
    box-shadow: var(--shadow-gold);
}

.expertise-card h4 {
    color: var(--color-gold);
    margin-bottom: var(--spacing-sm);
    font-size: 1.3rem;
}

.expertise-card p {
    color: var(--color-silver);
    font-size: 0.95rem;
    line-height: 1.6;
}

/* ===== SERVICES SECTION ===== */
.services {
    background-color: var(--color-black);
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-md);
}

.service-card {
    background: linear-gradient(135deg, var(--color-gray-dark) 0%, var(--color-black) 100%);
    padding: var(--spacing-lg);
    border-radius: var(--radius-medium);
    border: 2px solid transparent;
    transition: all var(--transition-medium);
    position: relative;
    overflow: hidden;
}

.service-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, rgba(212, 175, 55, 0.1) 0%, transparent 100%);
    opacity: 0;
    transition: opacity var(--transition-medium);
}

.service-card:hover {
    border-color: var(--color-gold);
    transform: translateY(-10px) scale(1.02);
    box-shadow: var(--shadow-gold);
}

.service-card:hover::before {
    opacity: 1;
}

.service-card h3 {
    font-size: 1.5rem;
    margin-bottom: var(--spacing-sm);
    position: relative;
    z-index: 1;
}

.service-card p {
    color: var(--color-silver);
    line-height: 1.7;
    position: relative;
    z-index: 1;
}

/* ===== PORTFOLIO SECTION ===== */
.portfolio {
    background-color: var(--color-gray-dark);
}

.portfolio-filter {
    display: flex;
    justify-content: center;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-lg);
    flex-wrap: wrap;
}

.filter-btn {
    background: transparent;
    border: 1px solid var(--color-gold);
    color: var(--color-silver);
    padding: 0.7rem 1.5rem;
    border-radius: var(--radius-small);
    cursor: pointer;
    transition: all var(--transition-fast);
    font-weight: 500;
}

.filter-btn:hover,
.filter-btn.active {
    background-color: var(--color-gold);
    color: var(--color-black);
}

.portfolio-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: var(--spacing-md);
}

.portfolio-item {
    position: relative;
    border-radius: var(--radius-medium);
    overflow: hidden;
    aspect-ratio: 16/10;
    background-color: var(--color-gray-medium);
    border: 1px solid rgba(212, 175, 55, 0.2);
    transition: all var(--transition-medium);
    cursor: pointer;
}

.portfolio-item:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-gold);
    border-color: var(--color-gold);
}

.portfolio-image {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform var(--transition-slow);
    display: block;
}

.portfolio-item:hover .portfolio-image {
    transform: scale(1.1);
}

.portfolio-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(to top, rgba(11, 11, 11, 0.95) 0%, transparent 100%);
    display: flex;
    flex-direction: column;
    justify-content: flex-end;
    padding: var(--spacing-md);
    opacity: 0;
    transition: opacity var(--transition-medium);
}

.portfolio-item:hover .portfolio-overlay {
    opacity: 1;
}

.portfolio-overlay h3 {
    color: var(--color-gold);
    font-size: 1.5rem;
    margin-bottom: var(--spacing-xs);
}

.portfolio-overlay p {
    color: var(--color-silver);
    font-size: 0.95rem;
}

/* ===== BOOKS SHOWCASE SECTION ===== */
.books {
    background-color: var(--color-black);
}

.books-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
    gap: var(--spacing-md);
    margin-top: var(--spacing-lg);
}

.book-card {
    position: relative;
    transition: transform var(--transition-medium);
}

.book-card:hover {
    transform: translateY(-10px);
}

.book-image-wrapper {
    position: relative;
    aspect-ratio: 2/3;
    border-radius: var(--radius-medium);
    overflow: hidden;
    border: 2px solid rgba(212, 175, 55, 0.2);
    transition: all var(--transition-medium);
    background-color: var(--color-gray-medium);
}

.book-card:hover .book-image-wrapper {
    border-color: var(--color-gold);
    box-shadow: var(--shadow-gold);
}

.book-image {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform var(--transition-slow);
}

.book-card:hover .book-image {
    transform: scale(1.05);
}

.book-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(to top, rgba(11, 11, 11, 0.98) 0%, rgba(11, 11, 11, 0.85) 60%, rgba(11, 11, 11, 0.4) 100%);
    display: flex;
    flex-direction: column;
    justify-content: flex-end;
    padding: 1.5rem;
    opacity: 0;
    transition: opacity var(--transition-medium);
}

.book-card:hover .book-overlay {
    opacity: 1;
}

.book-title {
    color: var(--color-gold);
    font-size: 1.1rem;
    margin-bottom: 0.5rem;
    font-weight: 700;
    line-height: 1.3;
}

.book-description {
    color: var(--color-silver);
    font-size: 0.85rem;
    line-height: 1.5;
    margin-bottom: 1rem;
    display: -webkit-box;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
    line-clamp: 3;
    overflow: hidden;
}

.book-availability {
    display: inline-block;
    padding: 0.4rem 0.8rem;
    border-radius: var(--radius-small);
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.book-availability.available {
    background-color: rgba(212, 175, 55, 0.2);
    color: var(--color-gold);
    border: 1px solid var(--color-gold);
}

.book-availability.coming-soon {
    background-color: rgba(207, 210, 214, 0.1);
    color: var(--color-silver);
    border: 1px solid var(--color-silver);
}

/* ===== CLIENT LOGO SLIDER ===== */
.clients {
    background-color: var(--color-black);
    padding: var(--spacing-lg) 0;
    overflow: hidden;
}

.clients-slider {
    display: flex;
    gap: var(--spacing-lg);
    animation: scroll 30s linear infinite;
    width: max-content;
}

.client-logo {
    height: 80px;
    width: auto;
    max-width: 150px;
    object-fit: contain;
    filter: grayscale(100%) brightness(0.5);
    transition: all var(--transition-medium);
    opacity: 0.6;
}

.client-logo:hover {
    filter: grayscale(0%) brightness(1) drop-shadow(0 0 10px var(--color-gold));
    opacity: 1;
    transform: scale(1.1);
}

@keyframes scroll {
    0% {
        transform: translateX(0);
    }

    100% {
        transform: translateX(-50%);
    }
}

/* ===== STORE SECTION ===== */
.store {
    background: linear-gradient(135deg, var(--color-gray-dark) 0%, var(--color-black) 100%);
    text-align: center;
}

.store-content {
    max-width: 700px;
    margin: 0 auto;
}

.store-description {
    font-size: var(--font-size-large);
    color: var(--color-silver);
    margin-bottom: var(--spacing-lg);
    line-height: 1.8;
}

/* ===== CONTACT SECTION ===== */
.contact {
    background-color: var(--color-black);
    text-align: center;
}

.contact-content {
    max-width: 700px;
    margin: 0 auto;
}

.contact-description {
    font-size: var(--font-size-large);
    color: var(--color-silver);
    margin-bottom: var(--spacing-lg);
    line-height: 1.8;
}

.contact-buttons {
    display: flex;
    gap: var(--spacing-md);
    justify-content: center;
    flex-wrap: wrap;
    margin-top: var(--spacing-lg);
}

.contact-btn {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: 1.2rem 2.5rem;
    font-size: 1.1rem;
    font-weight: 600;
    border-radius: var(--radius-small);
    transition: all var(--transition-medium);
}

.contact-btn.whatsapp {
    background-color: #25D366;
    color: white;
    border: 2px solid #25D366;
}

.contact-btn.whatsapp:hover {
    background-color: #20BA5A;
    transform: translateY(-3px);
    box-shadow: 0 6px 20px rgba(37, 211, 102, 0.4);
}

.contact-btn.telegram {
    background-color: #0088cc;
    color: white;
    border: 2px solid #0088cc;
}

.contact-btn.telegram:hover {
    background-color: #006699;
    transform: translateY(-3px);
    box-shadow: 0 6px 20px rgba(0, 136, 204, 0.4);
}



.contact-btn.ins {
    background:linear-gradient(90deg , rgb(228, 68, 68),rgb(207, 207, 50),rgb(189, 116, 128)) ;
    color: white;
    border: 2px solid #cc8b00;
}

.contact-btn.ins:hover {
    background:linear-gradient(90deg , rgb(196, 33, 33),rgb(175, 175, 32),rgb(189, 63, 84)) ;
    transform: translateY(-3px);
    box-shadow: 0 6px 20px rgba(204, 0, 170, 0.4);
}



.contact-divider {
    color: var(--color-silver);
    font-size: 1.2rem;
    margin: 0 var(--spacing-sm);
}

/* ===== FOOTER ===== */
.footer {
    background-color: var(--color-gray-dark);
    padding: var(--spacing-lg) 0;
    text-align: center;
    border-top: 1px solid rgba(212, 175, 55, 0.2);
}

.footer-brand {
    font-size: 2rem;
    font-weight: 700;
    color: var(--color-gold);
    letter-spacing: 2px;
    margin-bottom: var(--spacing-sm);
}

.footer-tagline {
    color: var(--color-silver);
    font-size: var(--font-size-base);
    margin-bottom: var(--spacing-sm);
}

.footer-copyright {
    color: var(--color-silver);
    font-size: var(--font-size-small);
    opacity: 0.7;
}

.social-links {
    display: flex;
    justify-content: center;
    gap: var(--spacing-md);
    margin-top: var(--spacing-md);
}

.social-link {
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    border: 1px solid var(--color-gold);
    border-radius: 50%;
    color: var(--color-gold);
    transition: all var(--transition-fast);
}

.social-link:hover {
    background-color: var(--color-gold);
    color: var(--color-black);
    transform: translateY(-3px);
}

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

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

@keyframes fadeIn {
    from {
        opacity: 0;
    }

    to {
        opacity: 1;
    }
}

.fade-in {
    animation: fadeIn 1s ease;
}

.fade-in-up {
    animation: fadeInUp 0.8s ease;
}

/* Scroll reveal animation */
.reveal {
    opacity: 0;
    transform: translateY(50px);
    transition: all 0.8s ease;
}

.reveal.active {
    opacity: 1;
    transform: translateY(0);
}