/* ============================================
   SALEM X MARKETING - Apple-Inspired Design System
   ============================================ */

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

:root {
    /* Colors */
    --primary-black: #000000;
    --primary-white: #ffffff;
    --text-dark: #1d1d1f;
    --text-gray: #86868b;
    --text-light: #f5f5f7;
    --accent-blue: #0071e3;
    --accent-red: #ff3b30;
    --gradient-start: #0071e3;
    --gradient-end: #ff3b30;
    --bg-light: #fbfbfd;
    --bg-dark: #000000;
    
    /* Spacing */
    --spacing-xs: 8px;
    --spacing-sm: 16px;
    --spacing-md: 32px;
    --spacing-lg: 64px;
    --spacing-xl: 128px;
    --spacing-xxl: 200px;
    
    /* Typography */
    --font-primary: -apple-system, BlinkMacSystemFont, "SF Pro Display", "Segoe UI", Roboto, sans-serif;
    --font-arabic: "Apple Color Emoji", "Segoe UI Emoji", "Segoe UI", "Noto Sans Arabic", sans-serif;
    --font-turkish: -apple-system, BlinkMacSystemFont, "SF Pro Display", "Segoe UI", Roboto, sans-serif;
    
    /* Animation */
    --transition-fast: 0.3s ease;
    --transition-medium: 0.5s ease;
    --transition-slow: 0.8s ease;
}

/* RTL Support */
[dir="rtl"] {
    direction: rtl;
    text-align: right;
}

/* Base Styles */
html {
    scroll-behavior: smooth;
    font-size: 16px;
}

body {
    font-family: var(--font-primary);
    background-color: var(--primary-white);
    color: var(--text-dark);
    line-height: 1.5;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
    font-weight: 600;
    letter-spacing: -0.02em;
    line-height: 1.1;
}

h1 {
    font-size: clamp(2.5rem, 8vw, 5rem);
    margin-bottom: var(--spacing-md);
}

h2 {
    font-size: clamp(2rem, 6vw, 4rem);
    margin-bottom: var(--spacing-md);
}

h3 {
    font-size: clamp(1.5rem, 4vw, 2.5rem);
    margin-bottom: var(--spacing-sm);
}

h4 {
    font-size: clamp(1.25rem, 3vw, 2rem);
    margin-bottom: var(--spacing-sm);
}

p {
    font-size: clamp(1rem, 2vw, 1.25rem);
    color: var(--text-gray);
    line-height: 1.6;
    margin-bottom: var(--spacing-md);
}

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

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

/* Navbar */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    padding: var(--spacing-sm) 0;
    transition: var(--transition-medium);
}

.navbar.scrolled {
    box-shadow: 0 1px 0 rgba(0, 0, 0, 0.1);
}

.navbar-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-md);
}

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

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

.nav-links a {
    font-size: 0.875rem;
    color: var(--text-dark);
    transition: var(--transition-fast);
}

.nav-links a:hover {
    color: var(--accent-blue);
}

/* Language Switcher */
.lang-switcher {
    display: flex;
    gap: var(--spacing-xs);
    padding: var(--spacing-xs);
    background: var(--bg-light);
    border-radius: 20px;
    border: 1px solid rgba(0, 0, 0, 0.1);
}

.lang-btn {
    padding: var(--spacing-xs) var(--spacing-sm);
    border: none;
    background: transparent;
    font-size: 0.875rem;
    cursor: pointer;
    border-radius: 15px;
    transition: var(--transition-fast);
    font-weight: 500;
}

.lang-btn:hover {
    background: rgba(0, 0, 0, 0.05);
}

.lang-btn.active {
    background: var(--primary-black);
    color: var(--primary-white);
}

/* Mobile Menu Toggle */
.mobile-menu-btn {
    display: none;
    background: none;
    border: none;
    font-size: 1.5rem;
    cursor: pointer;
    color: var(--text-dark);
}

/* Sections */
section {
    padding: var(--spacing-xl) 0;
    opacity: 0;
    transform: translateY(30px);
    transition: all var(--transition-slow);
}

section.visible {
    opacity: 1;
    transform: translateY(0);
}

section.dark {
    background: var(--bg-dark);
    color: var(--primary-white);
}

section.dark p {
    color: var(--text-light);
}

/* Hero Section */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    padding: var(--spacing-xxl) var(--spacing-md);
    background: linear-gradient(135deg, var(--primary-white) 0%, var(--bg-light) 100%);
}

.hero-content {
    max-width: 900px;
    animation: fadeInUp 1s ease;
}

.hero-headline {
    margin-bottom: var(--spacing-md);
    background: linear-gradient(135deg, var(--gradient-start), var(--gradient-end));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-subtitle {
    font-size: clamp(1.125rem, 2.5vw, 1.5rem);
    max-width: 700px;
    margin: 0 auto var(--spacing-lg);
}

/* Buttons */
.btn {
    display: inline-block;
    padding: var(--spacing-sm) var(--spacing-lg);
    font-size: 1rem;
    font-weight: 500;
    border-radius: 30px;
    cursor: pointer;
    transition: var(--transition-medium);
    border: none;
    text-align: center;
}

.btn-primary {
    background: linear-gradient(135deg, var(--gradient-start), var(--gradient-end));
    color: var(--primary-white);
    box-shadow: 0 4px 20px rgba(0, 113, 227, 0.3);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 30px rgba(0, 113, 227, 0.4);
}

.btn-secondary {
    background: transparent;
    color: var(--accent-blue);
    border: 2px solid var(--accent-blue);
}

.btn-secondary:hover {
    background: var(--accent-blue);
    color: var(--primary-white);
}

.btn-large {
    padding: var(--spacing-md) var(--spacing-xl);
    font-size: 1.125rem;
}

/* Buttons Container */
.btn-group {
    display: flex;
    gap: var(--spacing-md);
    justify-content: center;
    flex-wrap: wrap;
}

/* Grid Layouts */
.grid {
    display: grid;
    gap: var(--spacing-lg);
}

.grid-2 {
    grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
}

.grid-3 {
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
}

.grid-4 {
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
}

.grid-5 {
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
}

/* Cards */
.card {
    background: var(--primary-white);
    border-radius: 20px;
    padding: var(--spacing-lg);
    transition: var(--transition-medium);
    border: 1px solid rgba(0, 0, 0, 0.05);
}

.card:hover {
    transform: translateY(-5px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.1);
}

.card-icon {
    font-size: 2.5rem;
    margin-bottom: var(--spacing-md);
}

.card-title {
    font-size: 1.5rem;
    margin-bottom: var(--spacing-sm);
    color: var(--text-dark);
    font-weight: 700;
    line-height: 1.3;
}

.card-description {
    font-size: 1.125rem;
    color: var(--text-dark);
    font-weight: 500;
    line-height: 1.6;
    opacity: 0.9;
}

/* Improve card text readability */
.card p {
    color: var(--text-dark) !important;
    font-size: 1.125rem;
    font-weight: 500;
    line-height: 1.6;
    opacity: 0.9;
}

.card h3 {
    color: var(--text-dark) !important;
    font-weight: 700;
}

/* Steps Section */
.steps-container {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-lg);
    max-width: 800px;
    margin: 0 auto;
}

.step-item {
    display: flex;
    align-items: flex-start;
    gap: var(--spacing-md);
    padding: var(--spacing-md);
    border-radius: 15px;
    transition: var(--transition-medium);
}

.step-item:hover {
    background: var(--bg-light);
}

.step-number {
    font-size: 2.5rem;
    font-weight: 700;
    background: linear-gradient(135deg, var(--gradient-start), var(--gradient-end));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    min-width: 80px;
}

.step-content {
    flex: 1;
}

.step-title {
    font-size: 1.5rem;
    margin-bottom: var(--spacing-xs);
    color: var(--text-dark);
}

.step-description {
    color: var(--text-gray);
}

/* Industries Grid */
.industry-card {
    text-align: center;
    padding: var(--spacing-lg);
    background: var(--bg-light);
    border-radius: 20px;
    transition: var(--transition-medium);
}

.industry-card:hover {
    background: linear-gradient(135deg, var(--gradient-start), var(--gradient-end));
    color: var(--primary-white);
    transform: translateY(-10px);
    box-shadow: 0 20px 40px rgba(0, 113, 227, 0.3);
}

.industry-card:hover h3 {
    color: var(--primary-white);
}

.industry-icon {
    font-size: 3rem;
    margin-bottom: var(--spacing-md);
}

/* Improved card text readability */
.industry-card h3,
.industry-card p {
    color: var(--text-dark);
    font-weight: 600;
}

.industry-card:hover h3,
.industry-card:hover p {
    color: var(--primary-white);
}

/* Case Study Preview */
.case-study-preview {
    background: var(--bg-dark);
    color: var(--primary-white);
    padding: var(--spacing-xl) var(--spacing-lg);
    border-radius: 30px;
    text-align: center;
}

.case-study-preview p {
    color: var(--text-light);
}

/* Testimonials */
.testimonials-grid {
    display: grid;
    gap: var(--spacing-lg);
}

.testimonial-card {
    background: var(--bg-light);
    padding: var(--spacing-lg);
    border-radius: 20px;
    position: relative;
}

.testimonial-quote {
    font-size: 1.5rem;
    font-style: italic;
    color: var(--text-dark);
    margin-bottom: var(--spacing-md);
}

.testimonial-author {
    font-weight: 600;
    color: var(--text-dark);
}

.testimonial-role {
    font-size: 0.875rem;
    color: var(--text-gray);
}

/* FAQ Section */
.faq-item {
    margin-bottom: var(--spacing-md);
    border: 1px solid rgba(0, 0, 0, 0.1);
    border-radius: 15px;
    overflow: hidden;
}

.faq-question {
    width: 100%;
    padding: var(--spacing-md);
    background: var(--primary-white);
    border: none;
    text-align: left;
    font-size: 1.125rem;
    font-weight: 500;
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
    transition: var(--transition-fast);
}

[dir="rtl"] .faq-question {
    text-align: right;
}

.faq-question:hover {
    background: var(--bg-light);
}

.faq-answer {
    max-height: 0;
    overflow: hidden;
    padding: 0 var(--spacing-md);
    background: var(--bg-light);
    transition: all var(--transition-medium);
}

.faq-item.active .faq-answer {
    max-height: 500px;
    padding: var(--spacing-md);
}

.faq-icon {
    transition: transform var(--transition-fast);
}

.faq-item.active .faq-icon {
    transform: rotate(180deg);
}

/* Metrics Section */
.metrics-section {
    background: var(--bg-dark);
    color: var(--primary-white);
    text-align: center;
}

.metrics-grid {
    display: grid;
    gap: var(--spacing-lg);
}

.metric-item {
    padding: var(--spacing-lg);
}

.metric-number {
    font-size: clamp(3rem, 10vw, 6rem);
    font-weight: 700;
    background: linear-gradient(135deg, var(--gradient-start), var(--gradient-end));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    display: block;
    margin-bottom: var(--spacing-sm);
}

.metric-label {
    font-size: 1.25rem;
    color: var(--text-light);
}

/* Timeline */
.timeline {
    max-width: 800px;
    margin: 0 auto;
}

.timeline-item {
    display: flex;
    gap: var(--spacing-md);
    padding-bottom: var(--spacing-lg);
    position: relative;
}

.timeline-item::before {
    content: '';
    position: absolute;
    left: 20px;
    top: 40px;
    bottom: 0;
    width: 2px;
    background: linear-gradient(135deg, var(--gradient-start), var(--gradient-end));
}

.timeline-item:last-child::before {
    display: none;
}

[dir="rtl"] .timeline-item::before {
    left: auto;
    right: 20px;
}

.timeline-dot {
    width: 42px;
    height: 42px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--gradient-start), var(--gradient-end));
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--primary-white);
    font-weight: 700;
    flex-shrink: 0;
}

.timeline-content {
    flex: 1;
}

.timeline-date {
    font-size: 0.875rem;
    color: var(--accent-blue);
    margin-bottom: var(--spacing-xs);
}

.timeline-title {
    font-size: 1.5rem;
    margin-bottom: var(--spacing-sm);
}

/* Contact Form */
.contact-form {
    max-width: 600px;
    margin: 0 auto;
}

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

.form-label {
    display: block;
    margin-bottom: var(--spacing-xs);
    font-weight: 500;
    color: var(--text-dark);
}

.form-input,
.form-textarea,
.form-select {
    width: 100%;
    padding: var(--spacing-sm) var(--spacing-md);
    border: 2px solid rgba(0, 0, 0, 0.1);
    border-radius: 10px;
    font-size: 1rem;
    font-family: var(--font-primary);
    transition: var(--transition-fast);
}

.form-input:focus,
.form-textarea:focus,
.form-select:focus {
    outline: none;
    border-color: var(--accent-blue);
}

.form-textarea {
    min-height: 150px;
    resize: vertical;
}

/* Footer */
.footer {
    background: var(--bg-dark);
    color: var(--text-light);
    padding: var(--spacing-xl) 0 var(--spacing-lg);
    overflow: hidden;
}

.footer-content {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-md);
}

.footer-logo {
    font-size: 1.5rem;
    font-weight: 600;
    margin-bottom: var(--spacing-md);
    color: var(--primary-white);
    animation: fadeInUp 1s ease;
}

.footer-links {
    display: grid;
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-lg);
    animation: fadeInUp 1s ease 0.2s backwards;
}

.footer-section h4 {
    font-size: 1.125rem;
    margin-bottom: var(--spacing-sm);
    color: var(--primary-white);
}

.footer-section a {
    display: block;
    margin-bottom: var(--spacing-xs);
    color: var(--text-gray);
    transition: var(--transition-fast);
}

.footer-section a:hover {
    color: var(--primary-white);
    transform: translateX(5px);
}

/* Footer Contact Methods */
.footer-contact-methods {
    display: flex;
    gap: var(--spacing-md);
    justify-content: center;
    margin-bottom: var(--spacing-lg);
    animation: fadeInUp 1s ease 0.4s backwards;
}

.footer-contact-link {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    padding: var(--spacing-sm) var(--spacing-md);
    background: rgba(255, 255, 255, 0.1);
    border-radius: 30px;
    color: var(--primary-white);
    text-decoration: none;
    transition: var(--transition-medium);
    border: 1px solid rgba(255, 255, 255, 0.2);
}

.footer-contact-link:hover {
    background: linear-gradient(135deg, var(--gradient-start), var(--gradient-end));
    transform: translateY(-3px);
    box-shadow: 0 5px 20px rgba(0, 113, 227, 0.3);
}

.footer-contact-icon {
    font-size: 1.25rem;
}

.footer-bottom {
    padding-top: var(--spacing-lg);
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    text-align: center;
    color: var(--text-gray);
    animation: fadeInUp 1s ease 0.6s backwards;
}

/* Animations */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes fadeIn {
    from {
        opacity: 0;
    }
    to {
        opacity: 1;
    }
}

@keyframes slideInLeft {
    from {
        opacity: 0;
        transform: translateX(-30px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

@keyframes slideInRight {
    from {
        opacity: 0;
        transform: translateX(30px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

/* Parallax Effect */
.parallax-section {
    position: relative;
    overflow: hidden;
}

/* Responsive Design */
@media (max-width: 768px) {
    .nav-links {
        display: none;
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background: var(--primary-white);
        flex-direction: column;
        padding: var(--spacing-md);
        gap: var(--spacing-md);
        box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
    }
    
    .nav-links.active {
        display: flex;
    }
    
    .mobile-menu-btn {
        display: block;
    }
    
    .grid-2,
    .grid-3,
    .grid-4,
    .grid-5 {
        grid-template-columns: 1fr;
    }
    
    h1 {
        font-size: 2rem;
    }
    
    h2 {
        font-size: 1.75rem;
    }
    
    .btn-group {
        flex-direction: column;
    }
    
    .btn {
        width: 100%;
    }
    
    section {
        padding: var(--spacing-lg) 0;
    }
}

/* Print Styles */
@media print {
    .navbar,
    .mobile-menu-btn,
    .lang-switcher {
        display: none;
    }
    
    section {
        page-break-inside: avoid;
    }
}