/* ========================================
   روائع الكريستال - Template 3 Design System
   Modern, Clean, Green/White Theme
   Based on Template 1 Structure
   ======================================== */

/* CSS Variables */
:root {
    /* Colors - Modern Light Theme */
    --color-bg: #ffffff;
    --color-bg-elevated: #f8fafc;
    /* Very light slate for sections */
    --color-bg-card: #ffffff;
    --color-surface: #f1f5f9;

    /* Primary - Emerald Green */
    --color-primary: #10b981;
    --color-primary-light: #34d399;
    --color-primary-dark: #059669;

    /* Accent - Amber/Gold (Komplementary to Green) */
    --color-accent: #f59e0b;
    --color-accent-light: #fbbf24;

    /* Text */
    --color-text: #1e293b;
    /* Slate 800 */
    --color-text-muted: #64748b;
    /* Slate 500 */
    --color-text-subtle: #94a3b8;
    /* Slate 400 */
    --color-text-inverse: #ffffff;

    /* Borders & Dividers */
    --color-border: #e2e8f0;
    --color-border-hover: #cbd5e1;

    /* Gradients */
    --gradient-primary: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
    --gradient-accent: linear-gradient(135deg, var(--color-accent) 0%, #d97706 100%);
    --gradient-light: linear-gradient(180deg, #ffffff 0%, #f8fafc 100%);
    --gradient-radial: radial-gradient(circle at center, rgba(16, 185, 129, 0.05) 0%, transparent 70%);

    /* Shadows (Softer for Light Mode) */
    --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
    --shadow-glow: 0 0 20px rgba(16, 185, 129, 0.2);

    /* Typography */
    --font-family: 'Tajawal', -apple-system, BlinkMacSystemFont, sans-serif;
    --font-size-xs: 0.75rem;
    --font-size-sm: 0.875rem;
    --font-size-base: 1rem;
    --font-size-lg: 1.125rem;
    --font-size-xl: 1.25rem;
    --font-size-2xl: 1.5rem;
    --font-size-3xl: 2rem;
    --font-size-4xl: 2.5rem;
    --font-size-5xl: 3.5rem;

    /* Spacing */
    --space-xs: 0.25rem;
    --space-sm: 0.5rem;
    --space-md: 1rem;
    --space-lg: 1.5rem;
    --space-xl: 2rem;
    --space-2xl: 3rem;
    --space-3xl: 4rem;
    --space-4xl: 6rem;

    /* Border Radius */
    --radius-sm: 0.375rem;
    --radius-md: 0.5rem;
    --radius-lg: 0.75rem;
    --radius-xl: 1rem;
    --radius-2xl: 1.5rem;
    --radius-full: 9999px;

    /* Transitions */
    --transition-fast: 150ms ease;
    --transition-base: 250ms ease;
    --transition-slow: 400ms ease;

    /* Container */
    --container-max: 1280px;
    --container-padding: 1.5rem;
}

/* Reset & Base */
*,
*::before,
*::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

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

body {
    font-family: var(--font-family);
    background-color: var(--color-bg);
    color: var(--color-text);
    line-height: 1.7;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
}

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

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

ul,
ol {
    list-style: none;
}

button {
    font-family: inherit;
    cursor: pointer;
    border: none;
    background: none;
}

/* Container */
.container {
    width: 100%;
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 var(--container-padding);
}

/* ========================================
   Header & Navigation
   ======================================== */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    padding: var(--space-md) 0;
    background: rgba(255, 255, 255, 0.9);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--color-border);
    transition: all var(--transition-base);
    box-shadow: var(--shadow-sm);
}

.header.scrolled {
    padding: var(--space-sm) 0;
    background: rgba(255, 255, 255, 0.98);
    box-shadow: var(--shadow-md);
}

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

.logo {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
}

.logo-img {
    width: 48px;
    height: auto;
    border-radius: var(--radius-md);
}

.logo-text {
    font-size: var(--font-size-xl);
    font-weight: 700;
    color: var(--color-text);
    /* Dark text for light theme */
}

.nav-links {
    display: flex;
    align-items: center;
    gap: var(--space-xl);
}

.nav-links a {
    font-size: var(--font-size-base);
    font-weight: 500;
    color: var(--color-text-muted);
    position: relative;
    padding: var(--space-sm) 0;
}

.nav-links a::after {
    content: '';
    position: absolute;
    bottom: 0;
    right: 0;
    width: 0;
    height: 2px;
    background: var(--color-primary);
    transition: width var(--transition-base);
}

.nav-links a:hover,
.nav-links a.active {
    color: var(--color-primary);
}

.nav-links a:hover::after,
.nav-links a.active::after {
    width: 100%;
}

/* Dropdown */
.dropdown {
    position: relative;
}

.dropdown-menu {
    position: absolute;
    top: 100%;
    right: 0;
    min-width: 220px;
    padding: var(--space-sm) 0;
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
    opacity: 0;
    visibility: hidden;
    transform: translateY(10px);
    transition: all var(--transition-base);
    z-index: 100;
}

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

.dropdown-menu li a {
    display: block;
    padding: var(--space-sm) var(--space-lg);
    color: var(--color-text);
}

.dropdown-menu li a:hover {
    background: var(--color-surface);
    color: var(--color-primary);
}

/* Mobile Nav Toggle */
.nav-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    padding: var(--space-sm);
}

.nav-toggle span {
    width: 24px;
    height: 2px;
    background: var(--color-text);
    border-radius: var(--radius-full);
    transition: all var(--transition-base);
}

/* ========================================
   Buttons
   ======================================== */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-sm);
    padding: var(--space-md) var(--space-xl);
    font-size: var(--font-size-base);
    font-weight: 600;
    border-radius: var(--radius-lg);
    transition: all var(--transition-base);
    cursor: pointer;
}

.btn-primary {
    background: var(--gradient-primary);
    color: white;
    box-shadow: 0 4px 14px 0 rgba(16, 185, 129, 0.39);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(16, 185, 129, 0.23);
    filter: brightness(1.05);
    /* Slightly lighter on hover */
}

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

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

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

.btn-light:hover {
    background: var(--color-surface);
}

.btn-outline-light {
    background: transparent;
    color: white;
    border: 2px solid rgba(255, 255, 255, 0.8);
}

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

/* ========================================
   Hero Section
   ======================================== */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding: var(--space-4xl) 0;
    overflow: hidden;
    background: var(--color-bg);
}

/* Using a subtle pattern for light mode hero */
.hero-bg {
    position: absolute;
    inset: 0;
    background:
        radial-gradient(at 0% 0%, rgba(16, 185, 129, 0.05) 0px, transparent 50%),
        radial-gradient(at 100% 100%, rgba(59, 130, 246, 0.05) 0px, transparent 50%);
    pointer-events: none;
}

.hero-bg::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, rgba(16, 185, 129, 0.08) 0%, transparent 70%);
    transform: translate(-50%, -50%);
    animation: pulse 8s ease-in-out infinite;
    z-index: 0;
}

@keyframes pulse {

    0%,
    100% {
        transform: translate(-50%, -50%) scale(1);
        opacity: 0.5;
    }

    50% {
        transform: translate(-50%, -50%) scale(1.3);
        opacity: 0.8;
    }
}

.hero-content {
    position: relative;
    text-align: center;
    max-width: 900px;
    margin: 0 auto;
    z-index: 1;
}

.hero-badge {
    display: inline-block;
    padding: var(--space-sm) var(--space-lg);
    background: rgba(16, 185, 129, 0.1);
    border: 1px solid rgba(16, 185, 129, 0.2);
    border-radius: var(--radius-full);
    font-size: var(--font-size-sm);
    font-weight: 600;
    color: var(--color-primary-dark);
    margin-bottom: var(--space-xl);
}

.hero h1 {
    font-size: clamp(2.5rem, 6vw, var(--font-size-5xl));
    font-weight: 800;
    line-height: 1.2;
    margin-bottom: var(--space-lg);
    color: var(--color-text);
    /* Optional: Light gradient text */
    background: linear-gradient(135deg, var(--color-text) 0%, var(--color-text-muted) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-subtitle {
    font-size: var(--font-size-xl);
    color: var(--color-text-muted);
    margin-bottom: var(--space-2xl);
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
}

.hero-actions {
    display: flex;
    justify-content: center;
    gap: var(--space-md);
    margin-bottom: var(--space-3xl);
}

.hero-stats {
    display: flex;
    justify-content: center;
    gap: var(--space-3xl);
    flex-wrap: wrap;
    /* For mobile */
}

.stat {
    text-align: center;
}

.stat-number {
    display: block;
    font-size: var(--font-size-3xl);
    font-weight: 800;
    color: var(--color-primary);
}

.stat-label {
    font-size: var(--font-size-sm);
    color: var(--color-text-muted);
    font-weight: 500;
}

.hero-scroll {
    position: absolute;
    bottom: var(--space-xl);
    left: 50%;
    transform: translateX(-50%);
    text-align: center;
    color: var(--color-text-muted);
    font-size: var(--font-size-sm);
    z-index: 1;
}

.scroll-indicator {
    width: 24px;
    height: 40px;
    border: 2px solid var(--color-border-hover);
    border-radius: var(--radius-full);
    margin: var(--space-sm) auto 0;
    position: relative;
}

.scroll-indicator::after {
    content: '';
    position: absolute;
    top: 8px;
    left: 50%;
    width: 4px;
    height: 8px;
    background: var(--color-primary);
    border-radius: var(--radius-full);
    transform: translateX(-50%);
    animation: scroll 1.5s ease-in-out infinite;
}

@keyframes scroll {

    0%,
    100% {
        opacity: 1;
        top: 8px;
    }

    50% {
        opacity: 0.5;
        top: 20px;
    }
}

/* ========================================
   Sections Common
   ======================================== */
section {
    padding: var(--space-4xl) 0;
}

.section-header {
    text-align: center;
    max-width: 700px;
    margin: 0 auto var(--space-3xl);
}

.section-badge {
    display: inline-block;
    padding: var(--space-xs) var(--space-md);
    background: rgba(16, 185, 129, 0.1);
    color: var(--color-primary-dark);
    border-radius: var(--radius-full);
    font-size: var(--font-size-sm);
    font-weight: 600;
    margin-bottom: var(--space-md);
}

.section-header h2 {
    font-size: var(--font-size-3xl);
    font-weight: 800;
    margin-bottom: var(--space-md);
    color: var(--color-text);
}

.section-header p {
    color: var(--color-text-muted);
    font-size: var(--font-size-lg);
}

.section-footer {
    text-align: center;
    margin-top: var(--space-2xl);
}

/* ========================================
   Services Section (Cards)
   ======================================== */
.services {
    background: var(--color-bg-elevated);
}

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

.service-card {
    padding: var(--space-2xl);
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-xl);
    transition: all var(--transition-base);
    box-shadow: var(--shadow-sm);
    position: relative;
    overflow: hidden;
}

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

.service-card.featured {
    background: var(--gradient-primary);
    border-color: transparent;
    color: white;
}

.service-card.featured p {
    color: rgba(255, 255, 255, 0.9);
}

.service-card.featured h3 {
    color: white;
}

.service-icon {
    width: 64px;
    height: 64px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(16, 185, 129, 0.1);
    border-radius: var(--radius-lg);
    margin-bottom: var(--space-lg);
}

.service-card:hover .service-icon {
    background: var(--color-primary);
}

.service-card:hover .service-icon svg {
    color: white;
}

.service-icon svg {
    width: 32px;
    height: 32px;
    color: var(--color-primary);
    transition: all var(--transition-base);
}

.service-card.featured .service-icon {
    background: rgba(255, 255, 255, 0.2);
}

.service-card.featured .service-icon svg {
    color: white;
}

.service-card h3 {
    font-size: var(--font-size-xl);
    font-weight: 700;
    margin-bottom: var(--space-sm);
    color: var(--color-text);
}

.service-card p {
    color: var(--color-text-muted);
    margin-bottom: var(--space-lg);
}

.service-link {
    font-weight: 600;
    color: var(--color-primary);
    display: inline-flex;
    align-items: center;
    gap: var(--space-xs);
}

.service-card.featured .service-link {
    color: white;
}

.service-link:hover {
    gap: var(--space-sm);
}

/* ========================================
   About Preview
   ======================================== */
.about-preview {
    background: var(--color-bg);
}

.about-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-3xl);
    align-items: center;
}

.about-image .image-wrapper {
    border-radius: var(--radius-2xl);
    overflow: hidden;
    box-shadow: var(--shadow-lg);
}

.about-features li {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    padding: var(--space-sm) 0;
    color: var(--color-text);
    font-weight: 500;
}

.about-features li::before {
    content: '✓';
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 24px;
    height: 24px;
    background: var(--color-primary);
    color: white;
    border-radius: var(--radius-full);
    font-size: 0.75rem;
    font-weight: bold;
}

.experience-badge {
    position: absolute;
    bottom: -20px;
    right: 30px;
    padding: var(--space-lg) var(--space-xl);
    background: white;
    border-radius: var(--radius-xl);
    text-align: center;
    box-shadow: var(--shadow-lg);
    border: 1px solid var(--color-border);
}

.badge-number {
    color: var(--color-primary);
    font-weight: 800;
    font-size: var(--font-size-3xl);
}

.badge-text {
    color: var(--color-text-muted);
}

/* ========================================
   Projects Preview
   ======================================== */
.projects-preview {
    background: var(--color-bg-elevated);
}

.projects-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-lg);
}

.project-card {
    position: relative;
    border-radius: var(--radius-xl);
    overflow: hidden;
    aspect-ratio: 4/3;
    cursor: pointer;
    box-shadow: var(--shadow-md);
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

.project-card img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform var(--transition-slow);
}

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

.project-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(to top, rgba(0, 0, 0, 0.8) 0%, transparent 60%);
    display: flex;
    flex-direction: column;
    justify-content: flex-end;
    padding: var(--space-lg);
    opacity: 0;
    transition: opacity var(--transition-base);
}

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

.project-overlay h4 {
    color: white;
    font-size: var(--font-size-lg);
    font-weight: 700;
    margin-bottom: 0.25rem;
}

.project-overlay span {
    color: rgba(255, 255, 255, 0.8);
    font-size: var(--font-size-sm);
}

/* ========================================
   CTA Section
   ======================================== */
.cta {
    background: var(--color-primary);
    color: white;
    position: relative;
    overflow: hidden;
}

.cta::before {
    content: '';
    position: absolute;
    inset: 0;
    background: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%23ffffff' fill-opacity='0.05'%3E%3Cpath d='M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
}

.cta-content {
    position: relative;
    z-index: 1;
    text-align: center;
    max-width: 800px;
    margin: 0 auto;
}

.cta h2 {
    font-size: var(--font-size-3xl);
    font-weight: 800;
    margin-bottom: var(--space-md);
}

.cta p {
    font-size: var(--font-size-lg);
    opacity: 0.9;
    margin-bottom: var(--space-xl);
}

.cta-actions {
    display: flex;
    justify-content: center;
    gap: var(--space-md);
}

/* ========================================
   Footer
   ======================================== */
.footer {
    background: #0f172a;
    /* Keep footer dark for contrast */
    color: white;
    padding: var(--space-4xl) 0 var(--space-lg);
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1.5fr;
    gap: var(--space-2xl);
    margin-bottom: var(--space-3xl);
}

.footer-brand p {
    color: #94a3b8;
    margin: var(--space-md) 0;
}

.social-links {
    display: flex;
    gap: var(--space-md);
}

.social-links a {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-full);
    transition: all var(--transition-base);
}

.social-links a:hover {
    background: var(--color-primary);
    transform: translateY(-2px);
}

.footer h4 {
    font-size: var(--font-size-lg);
    font-weight: 700;
    margin-bottom: var(--space-lg);
}

.footer-links ul {
    display: flex;
    flex-direction: column;
    gap: var(--space-sm);
}

.footer-links a {
    color: #94a3b8;
}

.footer-links a:hover {
    color: white;
    padding-right: var(--space-xs);
}

.footer-contact ul {
    display: flex;
    flex-direction: column;
    gap: var(--space-md);
}

.footer-contact li {
    display: flex;
    gap: var(--space-sm);
    color: #94a3b8;
}

.footer-contact svg {
    color: var(--color-primary);
    flex-shrink: 0;
}

.footer-bottom {
    text-align: center;
    padding-top: var(--space-xl);
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    color: #64748b;
    font-size: var(--font-size-sm);
}

/* ========================================
   Responsive
   ======================================== */
@media (max-width: 1024px) {
    .hero h1 {
        font-size: 3rem;
    }

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

    .about-image {
        order: -1;
        margin-bottom: var(--space-xl);
    }
}

@media (max-width: 900px) {
    .projects-grid {
        grid-template-columns: repeat(2, 1fr);
    }

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

@media (max-width: 768px) {
    :root {
        --container-padding: 1rem;
    }

    .nav-links {
        position: fixed;
        top: 70px;
        left: 0;
        right: 0;
        background: white;
        flex-direction: column;
        padding: var(--space-xl);
        border-bottom: 1px solid var(--color-border);
        transform: translateY(-100%);
        opacity: 0;
        visibility: hidden;
        transition: all var(--transition-base);
        box-shadow: var(--shadow-xl);
        gap: var(--space-md);
    }

    .nav-links.active {
        transform: translateY(0);
        opacity: 1;
        visibility: visible;
    }

    .nav-toggle {
        display: flex;
    }

    .hero-stats {
        gap: var(--space-xl);
    }

    .stat-number {
        font-size: 2rem;
    }

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

    .btn {
        width: 100%;
    }
}

@media (max-width: 600px) {
    .projects-grid {
        grid-template-columns: 1fr;
    }

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

    .section-header h2 {
        font-size: 2rem;
    }
}

/* Page Hero (For About, Projects, Contact) */
.page-hero {
    background: var(--color-bg-elevated);
    padding: 160px 0 80px;
    text-align: center;
}

.page-hero h1 {
    font-size: 3rem;
    font-weight: 800;
    margin-bottom: var(--space-sm);
    color: var(--color-text);
}

.contact-section {
    padding-top: 0;
    /* Since page hero has padding */
}

.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1.5fr;
    gap: var(--space-2xl);
    background: white;
    padding: var(--space-2xl);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-lg);
    border: 1px solid var(--color-border);
}

@media (max-width: 900px) {
    .contact-grid {
        grid-template-columns: 1fr;
    }
}

.form-group {
    margin-bottom: var(--space-md);
}

.form-group label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 500;
    font-size: 0.9rem;
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 0.75rem 1rem;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    background: var(--color-bg-elevated);
    transition: all 0.2s;
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px rgba(16, 185, 129, 0.1);
}