/* ============================================
   Internet Qatar - Infrastructure Map Style
   Informational Website CSS
   ============================================ */

/* CSS Variables - Design System */
:root {
    /* Color Palette */
    --color-white: #ffffff;
    --color-off-white: #f8fafa;
    --color-teal-primary: #008080;
    --color-teal-light: #20b2aa;
    --color-teal-dark: #006666;
    --color-teal-accent: #4db6ac;
    --color-graphite: #2d3436;
    --color-graphite-light: #636e72;
    --color-graphite-lighter: #b2bec3;
    --color-background: #ffffff;
    --color-surface: #f5f7f7;
    --color-border: #e0e5e5;
    
    /* Typography */
    --font-primary: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    --font-heading: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    
    /* Font Sizes */
    --fs-h1: 2.5rem;
    --fs-h2: 2rem;
    --fs-h3: 1.5rem;
    --fs-h4: 1.25rem;
    --fs-body: 1rem;
    --fs-small: 0.875rem;
    
    /* Spacing */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 1.5rem;
    --spacing-lg: 2rem;
    --spacing-xl: 3rem;
    --spacing-xxl: 4rem;
    
    /* Layout */
    --max-width: 1200px;
    --header-height: 80px;
    --footer-min-height: 200px;
    
    /* Border Radius */
    --radius-sm: 4px;
    --radius-md: 8px;
    --radius-lg: 12px;
    
    /* Shadows */
    --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.08);
    --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 25px rgba(0, 0, 0, 0.12);
    
    /* Transitions */
    --transition-fast: 0.2s ease;
    --transition-normal: 0.3s ease;
}

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

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

body {
    font-family: var(--font-primary);
    font-size: var(--fs-body);
    line-height: 1.7;
    color: var(--color-graphite);
    background-color: var(--color-background);
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-heading);
    font-weight: 600;
    color: var(--color-graphite);
    line-height: 1.3;
    margin-bottom: var(--spacing-sm);
}

h1 { font-size: var(--fs-h1); }
h2 { font-size: var(--fs-h2); }
h3 { font-size: var(--fs-h3); }
h4 { font-size: var(--fs-h4); }

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

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

a:hover {
    color: var(--color-teal-dark);
}

ul, ol {
    margin-left: var(--spacing-lg);
    margin-bottom: var(--spacing-sm);
}

li {
    margin-bottom: var(--spacing-xs);
}

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

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

/* ============================================
   HEADER & NAVIGATION
   ============================================ */
.header {
    background-color: var(--color-white);
    border-bottom: 1px solid var(--color-border);
    position: sticky;
    top: 0;
    z-index: 1000;
    height: var(--header-height);
    display: flex;
    align-items: center;
}

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

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

.logo-icon {
    width: 40px;
    height: 40px;
    background: linear-gradient(135deg, var(--color-teal-primary), var(--color-teal-light));
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-weight: bold;
    font-size: 1.2rem;
}

.logo-text {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--color-graphite);
}

.logo-text span {
    color: var(--color-teal-primary);
}

/* Navigation */
.nav {
    display: flex;
    align-items: center;
}

.nav-list {
    display: flex;
    list-style: none;
    margin: 0;
    gap: var(--spacing-xs);
}

.nav-link {
    padding: var(--spacing-xs) var(--spacing-sm);
    color: var(--color-graphite-light);
    font-weight: 500;
    font-size: var(--fs-small);
    border-radius: var(--radius-sm);
    transition: all var(--transition-fast);
    white-space: nowrap;
}

.nav-link:hover,
.nav-link.active {
    color: var(--color-teal-primary);
    background-color: var(--color-surface);
}

/* Mobile Menu Toggle */
.mobile-menu-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    padding: 10px;
    background: none;
    border: none;
    cursor: pointer;
}

.mobile-menu-toggle span {
    width: 24px;
    height: 2px;
    background-color: var(--color-graphite);
    border-radius: 2px;
    transition: var(--transition-fast);
}

/* ============================================
   HERO SECTION
   ============================================ */
.hero {
    background: linear-gradient(135deg, var(--color-surface) 0%, var(--color-white) 100%);
    padding: var(--spacing-xxl) 0;
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-image: 
        radial-gradient(circle at 20% 50%, rgba(0, 128, 128, 0.05) 0%, transparent 50%),
        radial-gradient(circle at 80% 20%, rgba(32, 178, 170, 0.05) 0%, transparent 40%);
    pointer-events: none;
}

.hero .container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-xl);
    align-items: center;
    position: relative;
    z-index: 1;
}

.hero-content {
    max-width: 560px;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-xs);
    background-color: rgba(0, 128, 128, 0.1);
    color: var(--color-teal-primary);
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: var(--radius-lg);
    font-size: var(--fs-small);
    font-weight: 500;
    margin-bottom: var(--spacing-md);
}

.hero-badge::before {
    content: '';
    width: 8px;
    height: 8px;
    background-color: var(--color-teal-primary);
    border-radius: 50%;
    animation: pulse 2s infinite;
}

@keyframes pulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.5; }
}

.hero h1 {
    font-size: 2.75rem;
    margin-bottom: var(--spacing-md);
    background: linear-gradient(135deg, var(--color-graphite) 0%, var(--color-graphite-light) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-text {
    font-size: 1.125rem;
    color: var(--color-graphite-light);
    margin-bottom: var(--spacing-lg);
}

.hero-image {
    position: relative;
}

.hero-image img {
    width: 100%;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
}

/* Decorative Elements */
.hero-decoration {
    position: absolute;
    width: 300px;
    height: 300px;
    border: 2px dashed var(--color-teal-light);
    border-radius: 50%;
    opacity: 0.2;
    top: -50px;
    right: -50px;
}

/* ============================================
   MAIN CONTENT SECTIONS
   ============================================ */
.main {
    flex: 1;
}

.section {
    padding: var(--spacing-xxl) 0;
}

.section-alt {
    background-color: var(--color-surface);
}

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

.section-header h2 {
    position: relative;
    display: inline-block;
}

.section-header h2::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 50%;
    transform: translateX(-50%);
    width: 60px;
    height: 3px;
    background: linear-gradient(90deg, var(--color-teal-primary), var(--color-teal-light));
    border-radius: 2px;
}

.section-header p {
    margin-top: var(--spacing-md);
}

/* Info Cards */
.info-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-lg);
}

.info-card {
    background-color: var(--color-white);
    border-radius: var(--radius-lg);
    padding: var(--spacing-lg);
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--color-border);
    transition: all var(--transition-normal);
}

.info-card:hover {
    box-shadow: var(--shadow-md);
    transform: translateY(-2px);
}

.info-card-icon {
    width: 56px;
    height: 56px;
    background: linear-gradient(135deg, rgba(0, 128, 128, 0.1), rgba(32, 178, 170, 0.1));
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: var(--spacing-md);
    color: var(--color-teal-primary);
    font-size: 1.5rem;
}

.info-card h3 {
    color: var(--color-graphite);
    margin-bottom: var(--spacing-xs);
}

.info-card p {
    color: var(--color-graphite-light);
    font-size: var(--fs-small);
}

/* Feature Box */
.feature-box {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-xl);
    align-items: center;
}

.feature-box.reverse {
    direction: rtl;
}

.feature-box.reverse > * {
    direction: ltr;
}

.feature-content {
    padding: var(--spacing-md) 0;
}

.feature-content h2 {
    margin-bottom: var(--spacing-md);
}

.feature-list {
    list-style: none;
    margin: 0;
}

.feature-list li {
    display: flex;
    align-items: flex-start;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-sm);
    color: var(--color-graphite-light);
}

.feature-list li::before {
    content: '→';
    color: var(--color-teal-primary);
    font-weight: bold;
    flex-shrink: 0;
}

.feature-image {
    background-color: var(--color-surface);
    border-radius: var(--radius-lg);
    padding: var(--spacing-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 300px;
}

/* Network Diagram Style */
.network-diagram {
    width: 100%;
    height: 300px;
    background: 
        linear-gradient(90deg, transparent 49.5%, var(--color-border) 49.5%, var(--color-border) 50.5%, transparent 50.5%),
        linear-gradient(0deg, transparent 49.5%, var(--color-border) 49.5%, var(--color-border) 50.5%, transparent 50.5%);
    background-size: 60px 60px;
    position: relative;
    border-radius: var(--radius-md);
}

.network-node {
    position: absolute;
    width: 20px;
    height: 20px;
    background-color: var(--color-teal-primary);
    border-radius: 50%;
    box-shadow: 0 0 0 4px rgba(0, 128, 128, 0.2);
}

.network-node:nth-child(1) { top: 20%; left: 20%; }
.network-node:nth-child(2) { top: 40%; left: 50%; }
.network-node:nth-child(3) { top: 60%; left: 30%; }
.network-node:nth-child(4) { top: 30%; left: 70%; }
.network-node:nth-child(5) { top: 70%; left: 80%; }

/* ============================================
   FAQ SECTION
   ============================================ */
.faq-list {
    max-width: 800px;
    margin: 0 auto;
}

.faq-item {
    background-color: var(--color-white);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    margin-bottom: var(--spacing-sm);
    overflow: hidden;
}

.faq-question {
    width: 100%;
    padding: var(--spacing-md);
    background: none;
    border: none;
    text-align: left;
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-family: var(--font-primary);
    font-size: var(--fs-body);
    font-weight: 600;
    color: var(--color-graphite);
    transition: background-color var(--transition-fast);
}

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

.faq-icon {
    width: 24px;
    height: 24px;
    border-radius: 50%;
    background-color: var(--color-surface);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-teal-primary);
    font-weight: bold;
    transition: transform var(--transition-fast);
}

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

.faq-answer {
    padding: 0 var(--spacing-md) var(--spacing-md);
    color: var(--color-graphite-light);
    display: none;
}

.faq-item.active .faq-answer {
    display: block;
}

/* ============================================
   CONTACT PAGE
   ============================================ */
.contact-wrapper {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-xl);
}

.contact-info {
    background-color: var(--color-surface);
    border-radius: var(--radius-lg);
    padding: var(--spacing-lg);
}

.contact-info h3 {
    margin-bottom: var(--spacing-md);
}

.contact-item {
    display: flex;
    align-items: flex-start;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-md);
    padding-bottom: var(--spacing-md);
    border-bottom: 1px solid var(--color-border);
}

.contact-item:last-of-type {
    border-bottom: none;
    margin-bottom: 0;
    padding-bottom: 0;
}

.contact-icon {
    width: 40px;
    height: 40px;
    background-color: var(--color-white);
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-teal-primary);
    flex-shrink: 0;
}

.contact-details h4 {
    font-size: var(--fs-small);
    color: var(--color-graphite-light);
    font-weight: 500;
    margin-bottom: 2px;
}

.contact-details p {
    color: var(--color-graphite);
    margin: 0;
}

.contact-form {
    background-color: var(--color-white);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    padding: var(--spacing-lg);
}

.contact-form h3 {
    margin-bottom: var(--spacing-md);
}

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

.form-group label {
    display: block;
    font-weight: 500;
    color: var(--color-graphite);
    margin-bottom: var(--spacing-xs);
    font-size: var(--fs-small);
}

.form-group input,
.form-group textarea,
.form-group select {
    width: 100%;
    padding: var(--spacing-sm);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
    font-family: var(--font-primary);
    font-size: var(--fs-body);
    transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
    outline: none;
    border-color: var(--color-teal-primary);
    box-shadow: 0 0 0 3px rgba(0, 128, 128, 0.1);
}

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

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-xs);
    padding: var(--spacing-sm) var(--spacing-lg);
    border: none;
    border-radius: var(--radius-sm);
    font-family: var(--font-primary);
    font-size: var(--fs-body);
    font-weight: 600;
    cursor: pointer;
    transition: all var(--transition-fast);
}

.btn-primary {
    background: linear-gradient(135deg, var(--color-teal-primary), var(--color-teal-dark));
    color: var(--color-white);
}

.btn-primary:hover {
    background: linear-gradient(135deg, var(--color-teal-dark), var(--color-teal-primary));
    transform: translateY(-1px);
    box-shadow: var(--shadow-md);
}

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

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

/* ============================================
   ABOUT PAGE
   ============================================ */
.about-content {
    max-width: 800px;
    margin: 0 auto;
}

.about-content h2 {
    margin-top: var(--spacing-lg);
    margin-bottom: var(--spacing-md);
}

.about-content h2:first-of-type {
    margin-top: 0;
}

.info-box {
    background-color: rgba(0, 128, 128, 0.05);
    border-left: 4px solid var(--color-teal-primary);
    padding: var(--spacing-md);
    border-radius: 0 var(--radius-md) var(--radius-md) 0;
    margin: var(--spacing-md) 0;
}

.info-box p {
    margin: 0;
    color: var(--color-graphite);
}

/* ============================================
   PRIVACY PAGE
   ============================================ */
.legal-content {
    max-width: 800px;
    margin: 0 auto;
}

.legal-content h2 {
    margin-top: var(--spacing-lg);
    margin-bottom: var(--spacing-sm);
    font-size: var(--fs-h3);
}

.legal-content h2:first-of-type {
    margin-top: 0;
}

.legal-content p {
    margin-bottom: var(--spacing-sm);
}

.legal-content ul {
    margin-bottom: var(--spacing-md);
}

.last-updated {
    background-color: var(--color-surface);
    padding: var(--spacing-sm) var(--spacing-md);
    border-radius: var(--radius-sm);
    font-size: var(--fs-small);
    color: var(--color-graphite-light);
    display: inline-block;
    margin-bottom: var(--spacing-lg);
}

/* ============================================
   PAGE HEADER
   ============================================ */
.page-header {
    background: linear-gradient(135deg, var(--color-surface) 0%, var(--color-white) 100%);
    padding: var(--spacing-xl) 0;
    text-align: center;
    border-bottom: 1px solid var(--color-border);
}

.page-header h1 {
    margin-bottom: var(--spacing-xs);
}

.page-header p {
    color: var(--color-graphite-light);
    max-width: 600px;
    margin: 0 auto;
}

.breadcrumb {
    display: flex;
    justify-content: center;
    gap: var(--spacing-xs);
    font-size: var(--fs-small);
    margin-bottom: var(--spacing-sm);
}

.breadcrumb a {
    color: var(--color-graphite-light);
}

.breadcrumb span {
    color: var(--color-graphite-lighter);
}

/* ============================================
   FOOTER
   ============================================ */
.footer {
    background-color: var(--color-graphite);
    color: var(--color-white);
    padding: var(--spacing-xl) 0 var(--spacing-md);
    margin-top: auto;
}

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

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

.footer-brand .logo {
    margin-bottom: var(--spacing-md);
}

.footer-brand .logo-text {
    color: var(--color-white);
}

.footer-brand p {
    color: rgba(255, 255, 255, 0.7);
    font-size: var(--fs-small);
}

.footer-nav h4 {
    color: var(--color-white);
    font-size: var(--fs-small);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-bottom: var(--spacing-md);
}

.footer-nav ul {
    list-style: none;
    margin: 0;
}

.footer-nav li {
    margin-bottom: var(--spacing-xs);
}

.footer-nav a {
    color: rgba(255, 255, 255, 0.7);
    font-size: var(--fs-small);
    transition: color var(--transition-fast);
}

.footer-nav a:hover {
    color: var(--color-white);
}

/* Disclaimer */
.footer-disclaimer {
    background-color: rgba(255, 255, 255, 0.05);
    padding: var(--spacing-md);
    border-radius: var(--radius-md);
    margin-bottom: var(--spacing-lg);
}

.footer-disclaimer p {
    font-size: var(--fs-small);
    color: rgba(255, 255, 255, 0.8);
    margin: 0;
    text-align: center;
}

.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding-top: var(--spacing-md);
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: var(--fs-small);
    color: rgba(255, 255, 255, 0.6);
}

.footer-links {
    display: flex;
    gap: var(--spacing-md);
}

.footer-links a {
    color: rgba(255, 255, 255, 0.6);
}

.footer-links a:hover {
    color: var(--color-white);
}

/* ============================================
   UTILITY CLASSES
   ============================================ */
.text-center { text-align: center; }
.text-left { text-align: left; }
.text-right { text-align: right; }

.mt-0 { margin-top: 0; }
.mt-1 { margin-top: var(--spacing-sm); }
.mt-2 { margin-top: var(--spacing-md); }
.mt-3 { margin-top: var(--spacing-lg); }

.mb-0 { margin-bottom: 0; }
.mb-1 { margin-bottom: var(--spacing-sm); }
.mb-2 { margin-bottom: var(--spacing-md); }
.mb-3 { margin-bottom: var(--spacing-lg); }

.hidden { display: none; }
.visible { display: block; }

/* ============================================
   RESPONSIVE DESIGN
   ============================================ */

/* Tablet */
@media (max-width: 992px) {
    :root {
        --fs-h1: 2rem;
        --fs-h2: 1.75rem;
        --fs-h3: 1.35rem;
    }
    
    .hero .container {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .hero-content {
        max-width: 100%;
    }
    
    .hero-image {
        order: -1;
        max-width: 500px;
        margin: 0 auto;
    }
    
    .feature-box {
        grid-template-columns: 1fr;
        gap: var(--spacing-lg);
    }
    
    .feature-box.reverse {
        direction: ltr;
    }
    
    .contact-wrapper {
        grid-template-columns: 1fr;
    }
    
    .footer-grid {
        grid-template-columns: 1fr 1fr;
    }
}

/* Mobile */
@media (max-width: 768px) {
    :root {
        --fs-h1: 1.75rem;
        --fs-h2: 1.5rem;
        --fs-h3: 1.25rem;
        --header-height: 64px;
    }
    
    /* Mobile Navigation */
    .nav {
        position: fixed;
        top: var(--header-height);
        left: 0;
        right: 0;
        background-color: var(--color-white);
        border-bottom: 1px solid var(--color-border);
        padding: var(--spacing-md);
        display: none;
        box-shadow: var(--shadow-md);
    }
    
    .nav.active {
        display: block;
    }
    
    .nav-list {
        flex-direction: column;
        gap: 0;
    }
    
    .nav-link {
        display: block;
        padding: var(--spacing-sm);
        border-bottom: 1px solid var(--color-border);
    }
    
    .nav-link:last-child {
        border-bottom: none;
    }
    
    .mobile-menu-toggle {
        display: flex;
    }
    
    .hero {
        padding: var(--spacing-lg) 0;
    }
    
    .hero h1 {
        font-size: 1.75rem;
    }
    
    .section {
        padding: var(--spacing-lg) 0;
    }
    
    .info-grid {
        grid-template-columns: 1fr;
    }
    
    .footer-grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-lg);
    }
    
    .footer-bottom {
        flex-direction: column;
        gap: var(--spacing-sm);
        text-align: center;
    }
    
    .footer-links {
        justify-content: center;
    }
}

/* Small Mobile */
@media (max-width: 480px) {
    .container {
        padding: 0 var(--spacing-sm);
    }
    
    .hero h1 {
        font-size: 1.5rem;
    }
    
    .btn {
        width: 100%;
    }
}

/* Print Styles */
@media print {
    .header,
    .footer,
    .mobile-menu-toggle {
        display: none;
    }
    
    .hero {
        padding: var(--spacing-md) 0;
    }
    
    .section {
        padding: var(--spacing-sm) 0;
    }
    
    body {
        font-size: 12pt;
    }
}