/* ================================================================
   EezeeClick - Modern Design System
   Bilingual RTL/LTR Support | Arabic + English
   ================================================================ */

/* ================================================================
   1. CSS CUSTOM PROPERTIES (Design Tokens)
   ================================================================ */
:root {
    /* Brand Colors */
    --color-primary-50: #eff6ff;
    --color-primary-100: #dbeafe;
    --color-primary-200: #bfdbfe;
    --color-primary-300: #93c5fd;
    --color-primary-400: #60a5fa;
    --color-primary-500: #3b82f6;
    --color-primary-600: #2563eb;
    --color-primary-700: #1d4ed8;
    --color-primary-800: #1e40af;
    --color-primary-900: #1e3a8a;

    /* Secondary/Accent Colors */
    --color-secondary-50: #f0fdfa;
    --color-secondary-100: #ccfbf1;
    --color-secondary-200: #99f6e4;
    --color-secondary-300: #5eead4;
    --color-secondary-400: #2dd4bf;
    --color-secondary-500: #14b8a6;
    --color-secondary-600: #0d9488;
    --color-secondary-700: #0f766e;
    --color-secondary-800: #115e59;
    --color-secondary-900: #134e4a;

    /* Neutral Colors */
    --color-neutral-50: #fafafa;
    --color-neutral-100: #f5f5f5;
    --color-neutral-200: #e5e5e5;
    --color-neutral-300: #d4d4d4;
    --color-neutral-400: #a3a3a3;
    --color-neutral-500: #737373;
    --color-neutral-600: #525252;
    --color-neutral-700: #404040;
    --color-neutral-800: #262626;
    --color-neutral-900: #171717;

    /* Semantic Colors */
    --color-success: #10b981;
    --color-warning: #f59e0b;
    --color-error: #ef4444;
    --color-info: #3b82f6;

    /* Background & Surface */
    --color-bg: #ffffff;
    --color-bg-alt: var(--color-neutral-50);
    --color-surface: #ffffff;
    --color-surface-elevated: #ffffff;

    /* Text Colors */
    --color-text: var(--color-neutral-900);
    --color-text-secondary: var(--color-neutral-600);
    --color-text-muted: var(--color-neutral-400);
    --color-text-inverse: #ffffff;

    /* Gradients */
    --gradient-primary: linear-gradient(135deg, var(--color-primary-600) 0%, var(--color-primary-500) 50%, var(--color-secondary-500) 100%);
    --gradient-hero: linear-gradient(135deg, rgba(37, 99, 235, 0.95) 0%, rgba(20, 184, 166, 0.9) 100%);
    --gradient-dark: linear-gradient(135deg, var(--color-neutral-900) 0%, var(--color-neutral-800) 100%);

    /* Typography - Modern Font Stack */
    /* Arabic: Cairo - clean, modern, excellent readability */
    /* English: Inter - designed for screens, highly legible */
    --font-family-ar: 'Cairo', 'Segoe UI', 'Tahoma', sans-serif;
    --font-family-en: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Roboto', sans-serif;
    --font-family: var(--font-family-ar);

    /* Type Scale - Modern, harmonious progression */
    --text-xs: 0.75rem;      /* 12px */
    --text-sm: 0.875rem;     /* 14px */
    --text-base: 1rem;       /* 16px */
    --text-lg: 1.125rem;     /* 18px */
    --text-xl: 1.25rem;      /* 20px */
    --text-2xl: 1.5rem;      /* 24px */
    --text-3xl: 1.875rem;    /* 30px */
    --text-4xl: 2.25rem;     /* 36px */
    --text-5xl: 3rem;        /* 48px */
    --text-6xl: 3.75rem;     /* 60px */
    --text-7xl: 4.5rem;      /* 72px */

    /* Font Weights */
    --font-light: 300;
    --font-normal: 400;
    --font-medium: 500;
    --font-semibold: 600;
    --font-bold: 700;
    --font-extrabold: 800;
    --font-black: 900;

    /* Line Heights */
    --leading-none: 1;
    --leading-tight: 1.25;
    --leading-snug: 1.375;
    --leading-normal: 1.5;
    --leading-relaxed: 1.625;
    --leading-loose: 2;

    /* Letter Spacing */
    --tracking-tighter: -0.05em;
    --tracking-tight: -0.025em;
    --tracking-normal: 0;
    --tracking-wide: 0.025em;
    --tracking-wider: 0.05em;

    /* Spacing Scale */
    --space-0: 0;
    --space-1: 0.25rem;
    --space-2: 0.5rem;
    --space-3: 0.75rem;
    --space-4: 1rem;
    --space-5: 1.25rem;
    --space-6: 1.5rem;
    --space-8: 2rem;
    --space-10: 2.5rem;
    --space-12: 3rem;
    --space-16: 4rem;
    --space-20: 5rem;
    --space-24: 6rem;

    /* Border Radius */
    --radius-sm: 0.25rem;
    --radius-md: 0.5rem;
    --radius-lg: 0.75rem;
    --radius-xl: 1rem;
    --radius-2xl: 1.5rem;
    --radius-full: 9999px;

    /* Shadows */
    --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.05);
    --shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.1), 0 2px 4px -2px rgb(0 0 0 / 0.1);
    --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.1), 0 4px 6px -4px rgb(0 0 0 / 0.1);
    --shadow-xl: 0 20px 25px -5px rgb(0 0 0 / 0.1), 0 8px 10px -6px rgb(0 0 0 / 0.1);
    --shadow-2xl: 0 25px 50px -12px rgb(0 0 0 / 0.25);

    /* Transitions */
    --transition-fast: 150ms ease;
    --transition-base: 300ms ease;
    --transition-slow: 500ms ease;

    /* Z-index Scale */
    --z-dropdown: 100;
    --z-sticky: 200;
    --z-fixed: 300;
    --z-modal-backdrop: 400;
    --z-modal: 500;
    --z-tooltip: 600;

    /* Container */
    --container-max: 1200px;
    --container-padding: var(--space-4);
}

/* ================================================================
   2. BASE RESET & GLOBALS
   ================================================================ */
*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    scroll-behavior: smooth;
    -webkit-text-size-adjust: 100%;
}

body {
    font-family: var(--font-family);
    font-size: var(--text-base);
    line-height: var(--leading-normal);
    color: var(--color-text);
    background-color: var(--color-bg);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    overflow-x: hidden;
}

/* RTL/LTR Support */
[dir="rtl"] {
    --font-family: var(--font-family-ar);
}

[dir="ltr"] {
    --font-family: var(--font-family-en);
}

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

a {
    color: inherit;
    text-decoration: none;
}

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

ul, ol {
    list-style: none;
}

/* Focus States - Accessibility */
:focus-visible {
    outline: 2px solid var(--color-primary-500);
    outline-offset: 2px;
}

/* Reduced Motion */
@media (prefers-reduced-motion: reduce) {
    *, *::before, *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
    html {
        scroll-behavior: auto;
    }
}

/* ================================================================
   3. TYPOGRAPHY
   ================================================================ */
h1, h2, h3, h4, h5, h6 {
    font-weight: var(--font-bold);
    line-height: var(--leading-tight);
    color: var(--color-text);
}

h1 { font-size: var(--text-4xl); }
h2 { font-size: var(--text-3xl); }
h3 { font-size: var(--text-2xl); }
h4 { font-size: var(--text-xl); }
h5 { font-size: var(--text-lg); }
h6 { font-size: var(--text-base); }

@media (min-width: 768px) {
    h1 { font-size: var(--text-5xl); }
    h2 { font-size: var(--text-4xl); }
    h3 { font-size: var(--text-3xl); }
}

p {
    margin-bottom: var(--space-4);
    color: var(--color-text-secondary);
}

/* ================================================================
   4. LAYOUT UTILITIES
   ================================================================ */
.container {
    width: 100%;
    max-width: var(--container-max);
    margin-inline: auto;
    padding-inline: var(--container-padding);
}

.section {
    padding-block: var(--space-16);
    scroll-margin-top: 90px;
}

/* For sections with IDs - ensure proper scroll offset */
[id] {
    scroll-margin-top: 90px;
}

@media (min-width: 768px) {
    .section {
        padding-block: var(--space-24);
    }
}

.section-header {
    text-align: center;
    margin-bottom: var(--space-12);
}

.section-title {
    margin-bottom: var(--space-4);
}

.section-subtitle {
    font-size: var(--text-lg);
    color: var(--color-text-secondary);
    max-width: 600px;
    margin-inline: auto;
}

/* Grid System */
.grid {
    display: grid;
    gap: var(--space-6);
}

.grid-2 { grid-template-columns: repeat(2, 1fr); }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-4 { grid-template-columns: repeat(4, 1fr); }

@media (max-width: 1024px) {
    .grid-4 { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 768px) {
    .grid-2, .grid-3, .grid-4 { grid-template-columns: 1fr; }
}

/* Flex Utilities */
.flex { display: flex; }
.flex-center { display: flex; align-items: center; justify-content: center; }
.flex-between { display: flex; align-items: center; justify-content: space-between; }
.flex-wrap { flex-wrap: wrap; }
.gap-2 { gap: var(--space-2); }
.gap-4 { gap: var(--space-4); }
.gap-6 { gap: var(--space-6); }
.gap-8 { gap: var(--space-8); }

/* Text Alignment */
.text-center { text-align: center; }
.text-start { text-align: start; }
.text-end { text-align: end; }

/* ================================================================
   5. BUTTONS
   ================================================================ */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-2);
    padding: var(--space-3) var(--space-6);
    font-size: var(--text-base);
    font-weight: var(--font-semibold);
    border-radius: var(--radius-lg);
    transition: all var(--transition-base);
    cursor: pointer;
    border: 2px solid transparent;
    white-space: nowrap;
}

.btn-primary {
    background: var(--gradient-primary);
    color: var(--color-text-inverse);
    box-shadow: var(--shadow-md);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

.btn-secondary {
    background: var(--color-surface);
    color: var(--color-primary-600);
    border-color: var(--color-primary-600);
}

.btn-secondary:hover {
    background: var(--color-primary-600);
    color: var(--color-text-inverse);
}

.btn-outline {
    background: transparent;
    color: var(--color-text-inverse);
    border-color: var(--color-text-inverse);
}

.btn-outline:hover {
    background: var(--color-text-inverse);
    color: var(--color-primary-600);
}

.btn-lg {
    padding: var(--space-4) var(--space-8);
    font-size: var(--text-lg);
}

.btn-sm {
    padding: var(--space-2) var(--space-4);
    font-size: var(--text-sm);
}

.btn-icon {
    width: 44px;
    height: 44px;
    padding: 0;
    border-radius: var(--radius-full);
}

/* ================================================================
   6. CARDS
   ================================================================ */
.card {
    background: var(--color-surface);
    border-radius: var(--radius-xl);
    padding: var(--space-6);
    box-shadow: var(--shadow-md);
    border: 1px solid var(--color-neutral-200);
    transition: all var(--transition-base);
}

.card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-xl);
}

.card-icon {
    width: 64px;
    height: 64px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--gradient-primary);
    color: var(--color-text-inverse);
    border-radius: var(--radius-xl);
    font-size: var(--text-2xl);
    margin-bottom: var(--space-4);
}

.card-title {
    font-size: var(--text-xl);
    font-weight: var(--font-semibold);
    margin-bottom: var(--space-3);
}

.card-text {
    color: var(--color-text-secondary);
    line-height: var(--leading-relaxed);
}

/* ================================================================
   7. HEADER & NAVIGATION
   ================================================================ */
.header {
    position: fixed;
    top: 0;
    inset-inline: 0;
    /* Keep the off-canvas menu above the overlay */
    z-index: var(--z-modal);
    padding: var(--space-4) 0;
    transition: all var(--transition-base);
}

.header.scrolled {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    box-shadow: var(--shadow-md);
    padding: var(--space-2) 0;
}

.nav {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--space-8);
}

.nav-brand {
    display: flex;
    align-items: center;
    gap: var(--space-3);
}

.nav-logo {
    height: 48px;
    width: auto;
}

.nav-menu {
    display: flex;
    align-items: center;
    gap: var(--space-1);
}

.nav-link {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    padding: var(--space-2) var(--space-4);
    font-weight: var(--font-medium);
    color: var(--color-text-inverse);
    border-radius: var(--radius-lg);
    transition: all var(--transition-fast);
}

.header.scrolled .nav-link {
    color: var(--color-text);
}

.nav-link:hover,
.nav-link.active {
    background: rgba(255, 255, 255, 0.2);
}

.header.scrolled .nav-link:hover,
.header.scrolled .nav-link.active {
    background: var(--color-primary-50);
    color: var(--color-primary-600);
}

.nav-cta {
    background: var(--color-text-inverse);
    color: var(--color-primary-600) !important;
    font-weight: var(--font-semibold);
}

.header.scrolled .nav-cta {
    background: var(--gradient-primary);
    color: var(--color-text-inverse) !important;
}

.nav-actions {
    display: flex;
    align-items: center;
    gap: var(--space-4);
}

/* Language Switcher */
.lang-switcher {
    display: flex;
    align-items: center;
    gap: var(--space-1);
    padding: var(--space-1);
    background: rgba(255, 255, 255, 0.2);
    border-radius: var(--radius-full);
}

.header.scrolled .lang-switcher {
    background: var(--color-neutral-100);
}

.lang-btn {
    padding: var(--space-2) var(--space-3);
    font-size: var(--text-sm);
    font-weight: var(--font-medium);
    color: var(--color-text-inverse);
    border-radius: var(--radius-full);
    transition: all var(--transition-fast);
}

.header.scrolled .lang-btn {
    color: var(--color-text);
}

.lang-btn.active {
    background: var(--color-text-inverse);
    color: var(--color-primary-600);
}

.header.scrolled .lang-btn.active {
    background: var(--color-primary-600);
    color: var(--color-text-inverse);
}

/* Mobile Menu */
.nav-toggle {
    display: none;
    width: 44px;
    height: 44px;
    align-items: center;
    justify-content: center;
    background: rgba(255, 255, 255, 0.2);
    border-radius: var(--radius-lg);
    color: var(--color-text-inverse);
    font-size: var(--text-xl);
}

.header.scrolled .nav-toggle {
    background: var(--color-neutral-100);
    color: var(--color-text);
}

@media (max-width: 1024px) {
    .nav-toggle {
        display: flex;
    }

    .nav-menu {
        position: fixed;
        top: 0;
        inset-inline-end: 0;
        width: 300px;
        height: 100vh;
        flex-direction: column;
        align-items: stretch;
        padding: var(--space-20) var(--space-6) var(--space-6);
        background: var(--color-surface);
        box-shadow: var(--shadow-2xl);
        transform: translateX(100%);
        transition: transform var(--transition-base);
        z-index: var(--z-modal);
    }

    [dir="rtl"] .nav-menu {
        transform: translateX(-100%);
    }

    .nav-menu.open {
        transform: translateX(0);
    }

    .nav-link {
        color: var(--color-text);
        padding: var(--space-4);
        border-radius: var(--radius-lg);
        cursor: pointer;
        -webkit-tap-highlight-color: rgba(37, 99, 235, 0.2);
        transition: all var(--transition-fast);
    }

    .nav-link:hover,
    .nav-link:focus,
    .nav-link.active {
        background: var(--color-primary-50);
        color: var(--color-primary-600);
    }

    .nav-link:active {
        background: var(--color-primary-100);
        transform: scale(0.98);
    }

    .nav-cta {
        background: var(--gradient-primary);
        color: var(--color-text-inverse) !important;
        text-align: center;
        justify-content: center;
        margin-top: var(--space-4);
    }

    .menu-overlay {
        position: fixed;
        inset: 0;
        background: rgba(0, 0, 0, 0.5);
        opacity: 0;
        visibility: hidden;
        transition: all var(--transition-base);
        z-index: var(--z-modal-backdrop);
    }

    .menu-overlay.open {
        opacity: 1;
        visibility: visible;
    }

    .nav-close-wrapper {
        position: absolute;
        top: var(--space-4);
        inset-inline-start: var(--space-4);
        list-style: none;
    }

    .nav-close {
        width: 40px;
        height: 40px;
        display: flex;
        align-items: center;
        justify-content: center;
        background: var(--color-neutral-100);
        border-radius: var(--radius-full);
        font-size: var(--text-xl);
        cursor: pointer;
        border: none;
        transition: all var(--transition-fast);
    }

    .nav-close:hover {
        background: var(--color-neutral-200);
    }
}

/* ================================================================
   8. HERO SECTION
   ================================================================ */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    background: var(--gradient-hero), url('../images/hero-bg.jpg');
    background-size: cover;
    background-position: center;
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(180deg, rgba(0,0,0,0.2) 0%, rgba(0,0,0,0.4) 100%);
}

.hero-content {
    position: relative;
    z-index: 1;
    text-align: center;
    color: var(--color-text-inverse);
    padding-top: var(--space-20);
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: var(--space-2);
    padding: var(--space-2) var(--space-4);
    background: rgba(255, 255, 255, 0.2);
    border-radius: var(--radius-full);
    font-size: var(--text-sm);
    font-weight: var(--font-medium);
    margin-bottom: var(--space-6);
    backdrop-filter: blur(10px);
}

.hero-title {
    font-size: var(--text-4xl);
    font-weight: var(--font-extrabold);
    margin-bottom: var(--space-4);
    color: var(--color-text-inverse);
    max-width: 800px;
    margin-inline: auto;
}

@media (min-width: 768px) {
    .hero-title {
        font-size: var(--text-5xl);
    }
}

@media (min-width: 1024px) {
    .hero-title {
        font-size: var(--text-6xl);
    }
}

.hero-tagline {
    font-size: var(--text-2xl);
    font-weight: var(--font-semibold);
    margin-bottom: var(--space-2);
    color: var(--color-secondary-300);
}

.hero-subtitle {
    font-size: var(--text-lg);
    color: rgba(255, 255, 255, 0.9);
    max-width: 600px;
    margin-inline: auto;
    margin-bottom: var(--space-8);
}

.hero-buttons {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: var(--space-4);
}

.hero-stats {
    display: flex;
    justify-content: center;
    gap: var(--space-12);
    margin-top: var(--space-16);
    padding-top: var(--space-8);
    border-top: 1px solid rgba(255, 255, 255, 0.2);
}

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

.stat-number {
    font-size: var(--text-4xl);
    font-weight: var(--font-extrabold);
    color: var(--color-text-inverse);
}

.stat-label {
    font-size: var(--text-sm);
    opacity: 0.8;
}

@media (max-width: 768px) {
    .hero-stats {
        gap: var(--space-6);
    }
    .stat-number {
        font-size: var(--text-2xl);
    }
}

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

.services-grid {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: var(--space-6);
}

.service-card {
    flex: 0 0 calc(33.333% - var(--space-6));
    min-width: 280px;
    max-width: 400px;
    text-align: center;
    padding: var(--space-8);
}

@media (max-width: 1024px) {
    .service-card {
        flex: 0 0 calc(50% - var(--space-4));
    }
}

@media (max-width: 640px) {
    .service-card {
        flex: 0 0 100%;
        max-width: none;
    }
}

.service-card .card-icon {
    width: 80px;
    height: 80px;
    font-size: var(--text-3xl);
    margin-inline: auto;
}

/* ================================================================
   10. PROJECTS/PORTFOLIO SECTION - CAROUSEL
   ================================================================ */
.projects-carousel {
    position: relative;
    overflow: hidden;
    padding: var(--space-4) 0;
}

.carousel-track {
    display: flex;
    gap: var(--space-6);
    transition: transform 0.5s cubic-bezier(0.4, 0, 0.2, 1);
    will-change: transform;
}

/* RTL: Animate from right to left */
[dir="rtl"] .carousel-track {
    flex-direction: row;
}

/* LTR: Animate from left to right */
[dir="ltr"] .carousel-track {
    flex-direction: row;
}

.project-card {
    flex: 0 0 calc(33.333% - var(--space-4));
    min-width: 320px;
    overflow: hidden;
    padding: 0;
}

@media (max-width: 1024px) {
    .project-card {
        flex: 0 0 calc(50% - var(--space-3));
    }
}

@media (max-width: 640px) {
    .project-card {
        flex: 0 0 calc(100% - var(--space-2));
    }
}

/* Carousel Navigation Buttons */
.carousel-btn {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    width: 50px;
    height: 50px;
    border-radius: 50%;
    background: var(--color-surface);
    border: 2px solid var(--color-neutral-200);
    color: var(--color-text);
    font-size: var(--text-lg);
    cursor: pointer;
    transition: all var(--transition-fast);
    z-index: 10;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: var(--shadow-lg);
}

.carousel-btn:hover {
    background: var(--color-primary-600);
    color: var(--color-text-inverse);
    border-color: var(--color-primary-600);
    transform: translateY(-50%) scale(1.1);
}

.carousel-btn:active {
    transform: translateY(-50%) scale(0.95);
}

/* RTL positioning */
[dir="rtl"] .carousel-btn-prev {
    left: var(--space-2);
}

[dir="rtl"] .carousel-btn-next {
    right: var(--space-2);
}

/* LTR positioning - icons swapped */
[dir="ltr"] .carousel-btn-prev {
    left: var(--space-2);
}

[dir="ltr"] .carousel-btn-prev i {
    transform: rotate(180deg);
}

[dir="ltr"] .carousel-btn-next {
    right: var(--space-2);
}

[dir="ltr"] .carousel-btn-next i {
    transform: rotate(180deg);
}

@media (max-width: 768px) {
    .carousel-btn {
        width: 40px;
        height: 40px;
        font-size: var(--text-base);
    }
}

/* Carousel Dots */
.carousel-dots {
    display: flex;
    justify-content: center;
    gap: var(--space-2);
    margin-top: var(--space-6);
}

.carousel-dot {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: var(--color-neutral-300);
    border: none;
    cursor: pointer;
    transition: all var(--transition-fast);
    padding: 0;
}

.carousel-dot:hover {
    background: var(--color-primary-400);
}

.carousel-dot.active {
    background: var(--color-primary-600);
    transform: scale(1.2);
}

.project-image {
    width: 100%;
    height: 200px;
    object-fit: contain;
    object-position: center;
    background: var(--color-neutral-100);
    transition: transform var(--transition-slow);
    padding: var(--space-4);
}

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

.project-content {
    padding: var(--space-6);
}

.project-title {
    font-size: var(--text-xl);
    font-weight: var(--font-semibold);
    margin-bottom: var(--space-2);
}

.project-description {
    color: var(--color-text-secondary);
    margin-bottom: var(--space-4);
}

.project-link {
    display: inline-flex;
    align-items: center;
    gap: var(--space-2);
    color: var(--color-primary-600);
    font-weight: var(--font-medium);
    transition: gap var(--transition-fast);
}

.project-link:hover {
    gap: var(--space-3);
}

/* ================================================================
   11. CLIENTS SECTION
   ================================================================ */
.clients {
    background: var(--color-bg-alt);
}

.clients-grid {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: var(--space-8);
    align-items: center;
}

.client-logo {
    height: 60px;
    width: auto;
    max-width: 150px;
    object-fit: contain;
    filter: grayscale(100%);
    opacity: 0.6;
    transition: all var(--transition-base);
}

.client-logo:hover {
    filter: grayscale(0%);
    opacity: 1;
}

/* ================================================================
   12. FAQ SECTION
   ================================================================ */
.faq-list {
    max-width: 800px;
    margin-inline: auto;
}

.faq-item {
    background: var(--color-surface);
    border-radius: var(--radius-xl);
    margin-bottom: var(--space-4);
    box-shadow: var(--shadow-sm);
    overflow: hidden;
    border: 1px solid var(--color-neutral-200);
}

.faq-question {
    width: 100%;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--space-4);
    padding: var(--space-5);
    font-size: var(--text-lg);
    font-weight: var(--font-semibold);
    text-align: start;
    cursor: pointer;
    transition: background var(--transition-fast);
}

.faq-question:hover {
    background: var(--color-neutral-50);
}

.faq-icon {
    width: 24px;
    height: 24px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--color-primary-100);
    color: var(--color-primary-600);
    border-radius: var(--radius-full);
    font-size: var(--text-sm);
    transition: transform var(--transition-fast);
    flex-shrink: 0;
}

.faq-item.open .faq-icon {
    transform: rotate(45deg);
}

.faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height var(--transition-base), padding var(--transition-base);
}

.faq-item.open .faq-answer {
    max-height: 500px;
}

.faq-answer-content {
    padding: 0 var(--space-5) var(--space-5);
    color: var(--color-text-secondary);
    line-height: var(--leading-relaxed);
}

/* ================================================================
   13. CONTACT SECTION
   ================================================================ */
.contact {
    background: var(--color-bg-alt);
}

.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-12);
    align-items: start;
}

@media (max-width: 1024px) {
    .contact-grid {
        grid-template-columns: 1fr;
    }
}

.contact-info {
    display: flex;
    flex-direction: column;
    gap: var(--space-6);
}

.contact-card {
    display: flex;
    align-items: center;
    gap: var(--space-4);
    padding: var(--space-5);
}

.contact-card .card-icon {
    margin-bottom: 0;
    flex-shrink: 0;
}

.contact-card-content h4 {
    font-size: var(--text-lg);
    margin-bottom: var(--space-1);
}

.contact-card-content p {
    margin-bottom: 0;
    color: var(--color-text-secondary);
}

/* Contact Form */
.contact-form {
    background: var(--color-surface);
    border-radius: var(--radius-2xl);
    padding: var(--space-8);
    box-shadow: var(--shadow-lg);
}

.form-title {
    font-size: var(--text-2xl);
    margin-bottom: var(--space-6);
}

.form-group {
    margin-bottom: var(--space-5);
}

.form-label {
    display: block;
    font-weight: var(--font-medium);
    margin-bottom: var(--space-2);
    color: var(--color-text);
}

.form-input,
.form-select,
.form-textarea {
    width: 100%;
    padding: var(--space-3) var(--space-4);
    font-size: var(--text-base);
    font-family: inherit;
    border: 2px solid var(--color-neutral-200);
    border-radius: var(--radius-lg);
    background: var(--color-bg);
    transition: all var(--transition-fast);
}

.form-input:focus,
.form-select:focus,
.form-textarea:focus {
    outline: none;
    border-color: var(--color-primary-500);
    box-shadow: 0 0 0 3px var(--color-primary-100);
}

.form-textarea {
    min-height: 120px;
    resize: vertical;
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-4);
}

@media (max-width: 640px) {
    .form-row {
        grid-template-columns: 1fr;
    }
}

.form-error {
    color: var(--color-error);
    font-size: var(--text-sm);
    margin-top: var(--space-1);
    display: none;
}

.form-group.error .form-input,
.form-group.error .form-select,
.form-group.error .form-textarea {
    border-color: var(--color-error);
}

.form-group.error .form-error {
    display: block;
}

.form-submit {
    width: 100%;
    margin-top: var(--space-4);
}

/* Form Messages */
.form-message {
    padding: var(--space-4);
    border-radius: var(--radius-lg);
    margin-bottom: var(--space-4);
    display: none;
}

.form-message.success {
    background: #d1fae5;
    color: #065f46;
    display: block;
}

.form-message.error {
    background: #fee2e2;
    color: #991b1b;
    display: block;
}

/* ================================================================
   14. CTA SECTION
   ================================================================ */
.cta {
    background: var(--gradient-primary);
    color: var(--color-text-inverse);
    text-align: center;
}

.cta .section-title {
    color: var(--color-text-inverse);
}

.cta .section-subtitle {
    color: rgba(255, 255, 255, 0.9);
}

/* ================================================================
   14.5 TECHNOLOGY STACK SECTION
   ================================================================ */
.techstack {
    background: var(--color-bg-alt);
}

.techstack-container {
    display: grid;
    grid-template-columns: 280px 1fr;
    gap: var(--space-8);
    background: var(--color-surface);
    border-radius: var(--radius-2xl);
    box-shadow: var(--shadow-xl);
    overflow: hidden;
    min-height: 450px;
}

@media (max-width: 1024px) {
    .techstack-container {
        grid-template-columns: 1fr;
        min-height: auto;
    }
}

/* Tech Stack Tabs Sidebar */
.techstack-tabs {
    background: var(--gradient-primary);
    padding: var(--space-6);
    display: flex;
    flex-direction: column;
    gap: var(--space-2);
}

@media (max-width: 1024px) {
    .techstack-tabs {
        flex-direction: row;
        flex-wrap: wrap;
        justify-content: center;
        padding: var(--space-4);
    }
}

.techstack-tab {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    padding: var(--space-4) var(--space-5);
    background: rgba(255, 255, 255, 0.1);
    color: rgba(255, 255, 255, 0.8);
    border-radius: var(--radius-lg);
    font-weight: var(--font-medium);
    font-size: var(--text-base);
    transition: all var(--transition-fast);
    cursor: pointer;
    border: 2px solid transparent;
}

.techstack-tab:hover {
    background: rgba(255, 255, 255, 0.2);
    color: var(--color-text-inverse);
}

.techstack-tab.active {
    background: var(--color-text-inverse);
    color: var(--color-primary-600);
    border-color: var(--color-text-inverse);
    box-shadow: var(--shadow-md);
}

.techstack-tab i {
    font-size: var(--text-lg);
    width: 24px;
    text-align: center;
}

@media (max-width: 1024px) {
    .techstack-tab {
        padding: var(--space-3) var(--space-4);
        font-size: var(--text-sm);
    }

    .techstack-tab span {
        display: none;
    }

    .techstack-tab i {
        font-size: var(--text-xl);
    }
}

@media (max-width: 640px) {
    .techstack-tab {
        padding: var(--space-3);
    }
}

/* Tech Stack Content Panel */
.techstack-content {
    padding: var(--space-8);
    display: flex;
    flex-direction: column;
}

@media (max-width: 768px) {
    .techstack-content {
        padding: var(--space-6);
    }
}

.techstack-panel {
    display: none;
    animation: fadeIn 0.3s ease;
}

.techstack-panel.active {
    display: block;
}

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.techstack-panel-title {
    font-size: var(--text-xl);
    font-weight: var(--font-bold);
    color: var(--color-primary-600);
    margin-bottom: var(--space-6);
}

/* Technology Cards Grid */
.tech-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(140px, 1fr));
    gap: var(--space-4);
}

@media (max-width: 640px) {
    .tech-grid {
        grid-template-columns: repeat(auto-fill, minmax(100px, 1fr));
        gap: var(--space-3);
    }
}

.tech-card {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: var(--space-3);
    padding: var(--space-5);
    background: var(--color-bg);
    border-radius: var(--radius-xl);
    border: 2px solid var(--color-neutral-200);
    transition: all var(--transition-base);
    text-align: center;
}

.tech-card:hover {
    border-color: var(--color-primary-300);
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
}

.tech-card-icon {
    width: 48px;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.tech-card-icon img {
    width: 100%;
    height: 100%;
    object-fit: contain;
}

.tech-card-icon i {
    font-size: var(--text-4xl);
    color: var(--color-primary-500);
}

.tech-card-name {
    font-size: var(--text-sm);
    font-weight: var(--font-semibold);
    color: var(--color-text);
}

@media (max-width: 640px) {
    .tech-card {
        padding: var(--space-4);
    }

    .tech-card-icon {
        width: 40px;
        height: 40px;
    }

    .tech-card-icon i {
        font-size: var(--text-3xl);
    }

    .tech-card-name {
        font-size: var(--text-xs);
    }
}

/* ================================================================
   15. FOOTER
   ================================================================ */
.footer {
    background: var(--gradient-dark);
    color: var(--color-text-inverse);
    padding-top: var(--space-16);
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: var(--space-8);
}

@media (max-width: 1024px) {
    .footer-grid {
        grid-template-columns: 1fr 1fr;
    }
}

@media (max-width: 640px) {
    .footer-grid {
        grid-template-columns: 1fr;
    }
}

.footer-brand {
    max-width: 300px;
}

.footer-logo {
    height: 48px;
    width: auto;
    margin-bottom: var(--space-4);
}

.footer-description {
    color: var(--color-neutral-400);
    margin-bottom: var(--space-6);
}

.footer-title {
    font-size: var(--text-lg);
    font-weight: var(--font-semibold);
    margin-bottom: var(--space-4);
    color: var(--color-text-inverse);
}

.footer-links {
    display: flex;
    flex-direction: column;
    gap: var(--space-3);
}

.footer-link {
    color: var(--color-neutral-400);
    transition: color var(--transition-fast);
}

.footer-link:hover {
    color: var(--color-text-inverse);
}

.social-links {
    display: flex;
    gap: var(--space-3);
}

.social-link {
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-full);
    color: var(--color-text-inverse);
    font-size: var(--text-lg);
    transition: all var(--transition-fast);
}

.social-link:hover {
    background: var(--color-primary-500);
    transform: translateY(-2px);
}

.footer-bottom {
    margin-top: var(--space-12);
    padding: var(--space-6) 0;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    text-align: center;
}

.footer-copyright {
    color: var(--color-neutral-500);
    font-size: var(--text-sm);
}

.brand-name {
    font-weight: var(--font-semibold);
}

.brand-eezee {
    color: #f97316;
}

.brand-click {
    color: #9ca3af;
}

.footer-registration {
    color: var(--color-neutral-600);
    font-size: var(--text-xs);
    margin-top: var(--space-2);
}

/* ================================================================
   16. SCROLL TO TOP
   ================================================================ */
.scroll-top {
    position: fixed;
    bottom: var(--space-6);
    inset-inline-end: var(--space-6);
    width: 48px;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--gradient-primary);
    color: var(--color-text-inverse);
    border-radius: var(--radius-full);
    box-shadow: var(--shadow-lg);
    opacity: 0;
    visibility: hidden;
    transform: translateY(20px);
    transition: all var(--transition-base);
    z-index: var(--z-sticky);
}

.scroll-top.visible {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.scroll-top:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-xl);
}

/* ================================================================
   17. ANIMATIONS
   ================================================================ */
.fade-in {
    opacity: 0;
    transform: translateY(20px);
    transition: opacity var(--transition-slow), transform var(--transition-slow);
}

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

.fade-in-left {
    opacity: 0;
    transform: translateX(-20px);
}

.fade-in-right {
    opacity: 0;
    transform: translateX(20px);
}

[dir="rtl"] .fade-in-left {
    transform: translateX(20px);
}

[dir="rtl"] .fade-in-right {
    transform: translateX(-20px);
}

.fade-in-left.visible,
.fade-in-right.visible {
    opacity: 1;
    transform: translateX(0);
}

/* Stagger animations */
.stagger-1 { transition-delay: 100ms; }
.stagger-2 { transition-delay: 200ms; }
.stagger-3 { transition-delay: 300ms; }
.stagger-4 { transition-delay: 400ms; }

/* ================================================================
   18. UTILITY CLASSES
   ================================================================ */
.visually-hidden {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}

.skip-link {
    position: absolute;
    top: -100%;
    left: 50%;
    transform: translateX(-50%);
    padding: var(--space-3) var(--space-6);
    background: var(--color-primary-600);
    color: var(--color-text-inverse);
    border-radius: var(--radius-lg);
    z-index: var(--z-tooltip);
    transition: top var(--transition-fast);
}

.skip-link:focus {
    top: var(--space-4);
}

/* Hide/Show */
.hidden { display: none !important; }

@media (max-width: 768px) {
    .hide-mobile { display: none !important; }
}

@media (min-width: 769px) {
    .hide-desktop { display: none !important; }
}

/* Loading States */
.loading {
    position: relative;
    pointer-events: none;
}

.loading::after {
    content: '';
    position: absolute;
    inset: 0;
    background: rgba(255, 255, 255, 0.8);
    display: flex;
    align-items: center;
    justify-content: center;
}

/* Print Styles */
@media print {
    .header,
    .footer,
    .scroll-top,
    .nav-toggle {
        display: none !important;
    }

    body {
        font-size: 12pt;
        line-height: 1.5;
    }

    .section {
        page-break-inside: avoid;
    }
}