/* ============================================
   Boussaada Services - Luxury Design System
   ============================================ */

:root {
    /* Color Palette */
    --obsidian-black: #0B0B0D;
    --ivory-white: #F5F5F7;
    --gold-accent: #C9A24D;
    --slate-gray: #8A8F98;
    
    /* Typography */
    --font-primary: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    
    /* Spacing */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 2rem;
    --spacing-lg: 4rem;
    --spacing-xl: 6rem;
    
    /* Container */
    --container-max: 1200px;
    --container-padding: 2rem;
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-primary);
    background-color: var(--obsidian-black);
    color: var(--ivory-white);
    line-height: 1.6;
    font-size: 16px;
    overflow-x: hidden;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
    font-weight: 700;
    line-height: 1.2;
    letter-spacing: -0.02em;
}

h1 {
    font-size: clamp(2.5rem, 5vw, 4rem);
    font-weight: 800;
}

h2 {
    font-size: clamp(2rem, 4vw, 3rem);
}

h3 {
    font-size: clamp(1.5rem, 3vw, 2rem);
}

p {
    color: var(--slate-gray);
    font-size: clamp(1rem, 1.5vw, 1.125rem);
    line-height: 1.7;
}

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

/* ============================================
   Header
   ============================================ */

.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 100;
    padding: var(--spacing-sm) 0;
    background: rgba(11, 11, 13, 0.8);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid rgba(138, 143, 152, 0.1);
    transition: all 0.3s ease;
    will-change: background, box-shadow;
}

.header-content {
    display: flex;
    align-items: center;
    justify-content: flex-start;
}

.logo {
    font-size: 1.5rem;
    font-weight: 800;
    color: var(--ivory-white);
    text-decoration: none;
    letter-spacing: -0.02em;
    transition: all 0.3s ease;
    position: relative;
}

.logo:hover {
    color: var(--gold-accent);
}

.logo::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--gold-accent);
    transition: width 0.3s ease;
}

.logo:hover::after {
    width: 100%;
}

/* ============================================
   Hero Section
   ============================================ */

.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    position: relative;
    overflow: hidden;
    padding: var(--spacing-xl) 0;
    padding-top: calc(var(--spacing-xl) + 80px);
}

.hero-background {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: 0;
    background: linear-gradient(135deg, var(--obsidian-black) 0%, #1a1a1d 100%);
}

.grid-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-image: 
        linear-gradient(rgba(201, 162, 77, 0.03) 1px, transparent 1px),
        linear-gradient(90deg, rgba(201, 162, 77, 0.03) 1px, transparent 1px);
    background-size: 50px 50px;
    animation: gridMove 20s linear infinite;
}

@keyframes gridMove {
    0% { transform: translate(0, 0); }
    100% { transform: translate(50px, 50px); }
}

.particles {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: radial-gradient(circle at 20% 50%, rgba(201, 162, 77, 0.1) 0%, transparent 50%),
                radial-gradient(circle at 80% 80%, rgba(201, 162, 77, 0.08) 0%, transparent 50%);
    animation: particlesFloat 15s ease-in-out infinite;
}

@keyframes particlesFloat {
    0%, 100% { opacity: 0.5; transform: translateY(0); }
    50% { opacity: 0.8; transform: translateY(-20px); }
}

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

.hero-headline {
    color: var(--ivory-white);
    margin-bottom: var(--spacing-md);
    animation: fadeInUp 1s ease-out;
}

.hero-subheadline {
    font-size: clamp(1.125rem, 2vw, 1.5rem);
    color: var(--slate-gray);
    margin-bottom: var(--spacing-lg);
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
    animation: fadeInUp 1s ease-out 0.2s both;
}

.hero-ctas {
    display: flex;
    gap: var(--spacing-sm);
    justify-content: center;
    flex-wrap: wrap;
    animation: fadeInUp 1s ease-out 0.4s both;
}

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

/* Buttons */
.btn {
    display: inline-block;
    padding: 1rem 2rem;
    font-size: 1rem;
    font-weight: 600;
    text-decoration: none;
    border-radius: 8px;
    transition: all 0.3s ease;
    border: 2px solid transparent;
    cursor: pointer;
    letter-spacing: -0.01em;
}

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

.btn-primary:hover {
    background-color: #D4B05A;
    transform: translateY(-2px);
    box-shadow: 0 10px 30px rgba(201, 162, 77, 0.3);
}

.btn-secondary {
    background-color: transparent;
    color: var(--ivory-white);
    border-color: var(--ivory-white);
}

.btn-secondary:hover {
    background-color: rgba(245, 245, 247, 0.1);
    transform: translateY(-2px);
}

.btn-large {
    padding: 1.25rem 2.5rem;
    font-size: 1.125rem;
}

/* ============================================
   Trust Section
   ============================================ */

.trust-section {
    padding: var(--spacing-xl) 0;
    background-color: var(--obsidian-black);
}

.section-title {
    text-align: center;
    color: var(--ivory-white);
    margin-bottom: var(--spacing-lg);
    font-weight: 800;
}

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

.trust-card {
    padding: var(--spacing-md);
    border: 1px solid rgba(138, 143, 152, 0.1);
    border-radius: 12px;
    transition: all 0.3s ease;
    background: rgba(255, 255, 255, 0.02);
}

.trust-card:hover {
    border-color: rgba(201, 162, 77, 0.3);
    transform: translateY(-5px);
    background: rgba(255, 255, 255, 0.04);
}

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

.trust-card h3 {
    color: var(--ivory-white);
    margin-bottom: var(--spacing-xs);
    font-size: 1.25rem;
}

.trust-card p {
    color: var(--slate-gray);
    font-size: 0.95rem;
}

.trust-quote {
    text-align: center;
    font-size: 1.25rem;
    color: var(--gold-accent);
    font-weight: 600;
    font-style: italic;
    margin-top: var(--spacing-lg);
}

/* ============================================
   Services Section
   ============================================ */

.services-section {
    padding: var(--spacing-xl) 0;
    background-color: #0F0F11;
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--spacing-md);
}

.service-card {
    padding: var(--spacing-lg);
    border: 1px solid rgba(138, 143, 152, 0.1);
    border-radius: 16px;
    transition: all 0.3s ease;
    background: rgba(255, 255, 255, 0.02);
}

.service-card:hover {
    border-color: rgba(201, 162, 77, 0.4);
    transform: translateY(-8px);
    background: rgba(255, 255, 255, 0.04);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.3);
}

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

.service-card h3 {
    color: var(--ivory-white);
    margin-bottom: var(--spacing-sm);
}

.service-description {
    color: var(--slate-gray);
    margin-bottom: var(--spacing-md);
    font-size: 1rem;
    line-height: 1.6;
}

.service-benefits {
    list-style: none;
    margin-bottom: var(--spacing-md);
}

.service-benefits li {
    color: var(--slate-gray);
    padding: var(--spacing-xs) 0;
    padding-left: 1.5rem;
    position: relative;
    font-size: 0.95rem;
}

.service-benefits li::before {
    content: "→";
    position: absolute;
    left: 0;
    color: var(--gold-accent);
    font-weight: 600;
}

.service-link {
    color: var(--gold-accent);
    text-decoration: none;
    font-weight: 600;
    display: inline-block;
    transition: all 0.3s ease;
}

.service-link:hover {
    transform: translateX(5px);
    color: #D4B05A;
}

/* ============================================
   Technologies Section
   ============================================ */

.technologies-section {
    padding: var(--spacing-xl) 0;
    background-color: var(--obsidian-black);
}

.section-subtitle {
    text-align: center;
    color: var(--slate-gray);
    font-size: clamp(1rem, 1.5vw, 1.25rem);
    margin-bottom: var(--spacing-lg);
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

.technologies-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: var(--spacing-md);
    max-width: 1000px;
    margin: 0 auto;
}

.tech-item {
    padding: var(--spacing-md);
    border: 1px solid rgba(138, 143, 152, 0.1);
    border-radius: 12px;
    text-align: center;
    transition: all 0.3s ease;
    background: rgba(255, 255, 255, 0.02);
    position: relative;
    overflow: hidden;
}

.tech-item::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(90deg, transparent, var(--gold-accent), transparent);
    transform: translateX(-100%);
    transition: transform 0.5s ease;
}

.tech-item:hover::before {
    transform: translateX(100%);
}

.tech-item:hover {
    border-color: rgba(201, 162, 77, 0.4);
    transform: translateY(-5px);
    background: rgba(255, 255, 255, 0.04);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
}

.tech-icon {
    font-size: 2.5rem;
    font-weight: 800;
    color: var(--gold-accent);
    margin-bottom: var(--spacing-sm);
    line-height: 1;
    letter-spacing: -0.02em;
}

.tech-item h3 {
    color: var(--ivory-white);
    margin-bottom: var(--spacing-xs);
    font-size: 1.25rem;
    font-weight: 700;
}

.tech-item p {
    color: var(--slate-gray);
    font-size: 0.9rem;
    line-height: 1.5;
    margin: 0;
}

/* ============================================
   Process Section
   ============================================ */

.process-section {
    padding: var(--spacing-xl) 0;
    background-color: var(--obsidian-black);
}

.process-steps {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-lg);
    position: relative;
}

.process-step {
    text-align: center;
    padding: var(--spacing-md);
}

.step-number {
    font-size: 4rem;
    font-weight: 800;
    color: var(--gold-accent);
    opacity: 0.3;
    margin-bottom: var(--spacing-sm);
    line-height: 1;
}

.process-step h3 {
    color: var(--ivory-white);
    margin-bottom: var(--spacing-xs);
    font-size: 1.5rem;
}

.process-step p {
    color: var(--slate-gray);
    font-size: 1rem;
}

/* ============================================
   Why Section
   ============================================ */

.why-section {
    padding: var(--spacing-xl) 0;
    background-color: #0F0F11;
}

.why-content {
    max-width: 900px;
    margin: 0 auto;
}

.why-points {
    margin-bottom: var(--spacing-lg);
}

.why-point {
    margin-bottom: var(--spacing-lg);
    padding-bottom: var(--spacing-lg);
    border-bottom: 1px solid rgba(138, 143, 152, 0.1);
}

.why-point:last-child {
    border-bottom: none;
    margin-bottom: 0;
    padding-bottom: 0;
}

.why-point h3 {
    color: var(--ivory-white);
    margin-bottom: var(--spacing-xs);
    font-size: 1.5rem;
}

.why-point p {
    color: var(--slate-gray);
    font-size: 1.125rem;
}

.why-quote {
    text-align: center;
    padding: var(--spacing-lg);
    border-left: 3px solid var(--gold-accent);
    background: rgba(201, 162, 77, 0.05);
    border-radius: 8px;
}

.why-quote blockquote {
    font-size: clamp(1.5rem, 3vw, 2rem);
    color: var(--ivory-white);
    font-weight: 600;
    font-style: italic;
    line-height: 1.4;
    margin: 0;
}

/* ============================================
   CTA Section
   ============================================ */

.cta-section {
    padding: var(--spacing-xl) 0;
    background-color: var(--obsidian-black);
    position: relative;
    overflow: hidden;
}

.cta-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: radial-gradient(circle at center, rgba(201, 162, 77, 0.1) 0%, transparent 70%);
}

.cta-content {
    text-align: center;
    position: relative;
    z-index: 1;
    max-width: 700px;
    margin: 0 auto;
}

.cta-title {
    color: var(--ivory-white);
    margin-bottom: var(--spacing-md);
    font-size: clamp(2rem, 4vw, 3rem);
}

.cta-text {
    font-size: clamp(1.125rem, 2vw, 1.5rem);
    color: var(--slate-gray);
    margin-bottom: var(--spacing-lg);
}

/* ============================================
   Footer
   ============================================ */

.footer {
    padding: var(--spacing-lg) 0;
    background-color: #0F0F11;
    border-top: 1px solid rgba(138, 143, 152, 0.1);
}

.footer-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-md);
}

.footer-brand h3 {
    color: var(--ivory-white);
    margin-bottom: var(--spacing-xs);
    font-size: 1.5rem;
}

.footer-brand p {
    color: var(--slate-gray);
    font-size: 0.95rem;
}

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

.footer-link {
    color: var(--slate-gray);
    text-decoration: none;
    transition: color 0.3s ease;
    font-size: 0.95rem;
}

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

.footer-bottom {
    text-align: center;
    padding-top: var(--spacing-md);
    border-top: 1px solid rgba(138, 143, 152, 0.1);
}

.footer-bottom p {
    color: var(--slate-gray);
    font-size: 0.875rem;
}

/* ============================================
   Contact Modal
   ============================================ */

.modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: 1000;
    align-items: center;
    justify-content: center;
    padding: var(--spacing-md);
}

.modal.active {
    display: flex;
}

.modal-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-color: rgba(11, 11, 13, 0.95);
    backdrop-filter: blur(10px);
    animation: fadeIn 0.3s ease;
}

.modal-content {
    position: relative;
    background: linear-gradient(135deg, #0F0F11 0%, var(--obsidian-black) 100%);
    border: 1px solid rgba(201, 162, 77, 0.2);
    border-radius: 20px;
    padding: var(--spacing-lg);
    max-width: 600px;
    width: 100%;
    max-height: 90vh;
    overflow-y: auto;
    z-index: 1001;
    animation: slideUp 0.4s ease;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.5);
}

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

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

.modal-close {
    position: absolute;
    top: var(--spacing-md);
    right: var(--spacing-md);
    background: transparent;
    border: none;
    color: var(--slate-gray);
    font-size: 2rem;
    cursor: pointer;
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    transition: all 0.3s ease;
    line-height: 1;
    padding: 0;
}

.modal-close:hover {
    color: var(--ivory-white);
    background: rgba(138, 143, 152, 0.1);
    transform: rotate(90deg);
}

.modal-title {
    color: var(--ivory-white);
    margin-bottom: var(--spacing-xs);
    font-size: 2rem;
}

.modal-subtitle {
    color: var(--slate-gray);
    margin-bottom: var(--spacing-lg);
    font-size: 1rem;
}

.contact-form {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xs);
}

.form-group label {
    color: var(--ivory-white);
    font-weight: 600;
    font-size: 0.95rem;
    letter-spacing: -0.01em;
}

.form-group input,
.form-group select,
.form-group textarea {
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(138, 143, 152, 0.2);
    border-radius: 8px;
    padding: 0.875rem 1rem;
    color: var(--ivory-white);
    font-family: var(--font-primary);
    font-size: 1rem;
    transition: all 0.3s ease;
    width: 100%;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--gold-accent);
    background: rgba(255, 255, 255, 0.08);
    box-shadow: 0 0 0 3px rgba(201, 162, 77, 0.1);
}

.form-group input::placeholder,
.form-group textarea::placeholder {
    color: var(--slate-gray);
    opacity: 0.6;
}

.form-group select {
    cursor: pointer;
    appearance: none;
    -webkit-appearance: none;
    -moz-appearance: none;
    background-color: rgba(255, 255, 255, 0.05);
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%23C9A24D' d='M6 9L1 4h10z'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 1rem center;
    padding-right: 2.5rem;
}

/* Dark dropdown options - styling for all browsers */
.form-group select option {
    background-color: var(--obsidian-black) !important;
    color: var(--ivory-white) !important;
    padding: 0.75rem 1rem;
}

.form-group select option:checked,
.form-group select option:focus {
    background-color: rgba(201, 162, 77, 0.3) !important;
    color: var(--ivory-white) !important;
}

.form-group select option:hover {
    background-color: rgba(201, 162, 77, 0.2) !important;
}

/* Ensure select dropdown menu is dark (for browsers that support it) */
.form-group select::-ms-expand {
    display: none;
}

/* For Firefox */
@-moz-document url-prefix() {
    .form-group select {
        background-color: rgba(255, 255, 255, 0.05);
    }
}

.form-group textarea {
    resize: vertical;
    min-height: 120px;
    font-family: var(--font-primary);
}

.form-success {
    text-align: center;
    padding: var(--spacing-md);
    background: rgba(201, 162, 77, 0.1);
    border: 1px solid rgba(201, 162, 77, 0.3);
    border-radius: 8px;
    margin-top: var(--spacing-md);
}

.form-success p {
    color: var(--gold-accent);
    font-weight: 600;
    font-size: 1.125rem;
    margin: 0;
}

/* ============================================
   Responsive Design
   ============================================ */

@media (max-width: 768px) {
    :root {
        --container-padding: 1.5rem;
        --spacing-xl: 4rem;
        --spacing-lg: 3rem;
    }
    
    .header {
        padding: var(--spacing-xs) 0;
    }
    
    .logo {
        font-size: 1.25rem;
    }
    
    .hero {
        min-height: 90vh;
        padding: var(--spacing-lg) 0;
        padding-top: calc(var(--spacing-lg) + 60px);
    }
    
    .hero-ctas {
        flex-direction: column;
        align-items: stretch;
    }
    
    .btn {
        width: 100%;
        text-align: center;
    }
    
    .trust-grid,
    .services-grid,
    .process-steps,
    .technologies-grid {
        grid-template-columns: 1fr;
    }
    
    .footer-content {
        flex-direction: column;
        text-align: center;
    }
    
    .footer-links {
        justify-content: center;
    }
    
    .modal-content {
        padding: var(--spacing-md);
        max-height: 95vh;
    }
    
    .modal-title {
        font-size: 1.75rem;
        padding-right: var(--spacing-lg);
    }
}

@media (max-width: 480px) {
    :root {
        --container-padding: 1rem;
    }
    
    .service-card,
    .trust-card {
        padding: var(--spacing-sm);
    }
}

/* Smooth Scroll */
@media (prefers-reduced-motion: no-preference) {
    html {
        scroll-behavior: smooth;
    }
}

/* ============================================
   Scroll Animation Enhancements
   ============================================ */

/* Optimize animations for performance */
.trust-card,
.service-card,
.process-step,
.why-point,
.tech-item,
.section-title,
.section-subtitle,
.cta-content {
    will-change: opacity, transform;
}

/* Animate-in class for elements that have animated */
.animate-in {
    opacity: 1 !important;
    transform: translateY(0) translateX(0) scale(1) !important;
}

/* Smooth transitions for all animated elements */
.trust-card,
.service-card,
.process-step,
.why-point,
.tech-item {
    backface-visibility: hidden;
    -webkit-backface-visibility: hidden;
}

/* Section reveal animation */
section {
    position: relative;
    overflow: hidden;
}

/* Enhanced hover effects with animation */
.trust-card:hover,
.service-card:hover,
.tech-item:hover {
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

/* Smooth scroll indicator (optional) */
@media (prefers-reduced-motion: no-preference) {
    * {
        scroll-margin-top: 80px;
    }
}