/* ==============================================
   GAFA CLOUD - Stylesheet
   Design Dark Premium avec accents dorés
   ============================================== */

/* === Variables === */
:root {
    /* Colors */
    --color-primary: #d4af37; /* Gold */
    --color-primary-dark: #b8941f;
    --color-primary-light: #e6c965;
    --color-bg-dark: #0a0e1a;
    --color-bg-section: #1a1f2e;
    --color-bg-card: #2d3447;
    --color-bg-hover: #3a4158;
    --color-text-primary: #ffffff;
    --color-text-secondary: #b8c1d9;
    --color-text-muted: #7c8aad;
    --color-border: #3a4158;
    --color-success: #4ade80;
    --color-danger: #ef4444;
    
    /* Typography */
    --font-primary: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    --font-size-base: 16px;
    --line-height-base: 1.6;
    
    /* Spacing */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 2rem;
    --spacing-lg: 4rem;
    --spacing-xl: 6rem;
    
    /* Shadows */
    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.1);
    --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.2);
    --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.3);
    --shadow-gold: 0 4px 24px rgba(212, 175, 55, 0.2);
    
    /* Transitions */
    --transition-fast: 0.2s ease;
    --transition-base: 0.3s ease;
    --transition-slow: 0.5s ease;
    
    /* Border Radius */
    --radius-sm: 4px;
    --radius-md: 8px;
    --radius-lg: 16px;
    --radius-xl: 24px;
}

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

html {
    scroll-behavior: smooth;
    font-size: var(--font-size-base);
}

body {
    font-family: var(--font-primary);
    line-height: var(--line-height-base);
    color: var(--color-text-primary);
    background-color: var(--color-bg-dark);
    overflow-x: hidden;
}

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

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

ul {
    list-style: none;
}

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

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

/* === Gradient Text === */
.gradient-text {
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-light) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* ==================== NAVIGATION ==================== */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: rgba(10, 14, 26, 0.9);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--color-border);
    transition: var(--transition-base);
}

.navbar.scrolled {
    background: rgba(10, 14, 26, 0.95);
    box-shadow: var(--shadow-md);
}

.nav-content {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 1rem 0;
}

.logo-link {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    font-size: 1.25rem;
    font-weight: 700;
    transition: var(--transition-fast);
}

.logo-link:hover {
    transform: translateY(-2px);
}

.logo-img {
    height: 50px;
    width: auto;
}

.logo-text {
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-light) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.nav-menu {
    display: flex;
    gap: 2rem;
    align-items: center;
}

.nav-link {
    font-weight: 500;
    color: var(--color-text-secondary);
    transition: var(--transition-fast);
    position: relative;
    padding: 0.5rem 0;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--color-primary);
    transition: width var(--transition-fast);
}

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

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

.btn-primary-nav {
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
    color: var(--color-bg-dark);
    padding: 0.5rem 1.5rem;
    border-radius: var(--radius-md);
    font-weight: 600;
}

.btn-primary-nav::after {
    display: none;
}

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

/* Hamburger Menu */
.hamburger {
    display: none;
    flex-direction: column;
    gap: 5px;
    width: 30px;
    height: 30px;
    cursor: pointer;
}

.hamburger span {
    display: block;
    width: 100%;
    height: 3px;
    background: var(--color-primary);
    border-radius: 2px;
    transition: var(--transition-base);
}

.hamburger.active span:nth-child(1) {
    transform: rotate(45deg) translate(8px, 8px);
}

.hamburger.active span:nth-child(2) {
    opacity: 0;
}

.hamburger.active span:nth-child(3) {
    transform: rotate(-45deg) translate(8px, -8px);
}

/* ==================== HERO SECTION ==================== */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding-top: 80px;
    overflow: hidden;
}

.hero-background {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: 
        radial-gradient(circle at 20% 50%, rgba(212, 175, 55, 0.1) 0%, transparent 50%),
        radial-gradient(circle at 80% 80%, rgba(212, 175, 55, 0.05) 0%, transparent 50%);
    z-index: 0;
}

.hero-content {
    position: relative;
    z-index: 1;
    text-align: center;
    padding: var(--spacing-lg) 0;
}

.hero-badge {
    display: inline-block;
    padding: 0.5rem 1.5rem;
    background: rgba(212, 175, 55, 0.1);
    border: 1px solid var(--color-primary);
    border-radius: 50px;
    color: var(--color-primary);
    font-size: 0.875rem;
    font-weight: 600;
    letter-spacing: 1px;
    margin-bottom: var(--spacing-md);
    animation: badge-pulse 2s ease-in-out infinite;
}

@keyframes badge-pulse {
    0%, 100% { transform: scale(1); }
    50% { transform: scale(1.05); }
}

.hero-logo {
    width: 120px;
    height: auto;
    margin: 0 auto var(--spacing-md);
    filter: drop-shadow(0 4px 16px rgba(212, 175, 55, 0.3));
}

.hero-title {
    font-size: clamp(2rem, 5vw, 3.5rem);
    font-weight: 800;
    line-height: 1.2;
    margin-bottom: var(--spacing-md);
}

.hero-subtitle {
    font-size: clamp(1rem, 2vw, 1.25rem);
    color: var(--color-text-secondary);
    max-width: 800px;
    margin: 0 auto var(--spacing-lg);
    line-height: 1.8;
}

.hero-stats {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-lg);
    flex-wrap: wrap;
}

.stat {
    text-align: center;
}

.stat-number {
    font-size: 3rem;
    font-weight: 800;
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-light) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    line-height: 1;
    margin-bottom: 0.5rem;
}

.stat-icon {
    font-size: 2rem;
    color: var(--color-primary);
    margin-bottom: 0.5rem;
}

.stat-label {
    font-size: 0.875rem;
    color: var(--color-text-muted);
    text-transform: uppercase;
    letter-spacing: 1px;
    font-weight: 600;
}

.hero-cta {
    display: flex;
    gap: var(--spacing-md);
    justify-content: center;
    flex-wrap: wrap;
}

.scroll-indicator {
    margin-top: var(--spacing-xl);
    animation: bounce 2s ease-in-out infinite;
}

.scroll-indicator a {
    display: inline-block;
    color: var(--color-primary);
    font-size: 2rem;
}

@keyframes bounce {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-10px); }
}

/* ==================== BUTTONS ==================== */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.75rem 1.5rem;
    font-weight: 600;
    border-radius: var(--radius-md);
    transition: var(--transition-base);
    cursor: pointer;
}

.btn-large {
    padding: 1rem 2rem;
    font-size: 1.125rem;
}

.btn-primary {
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
    color: var(--color-bg-dark);
    box-shadow: var(--shadow-md);
}

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

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

.btn-secondary:hover {
    background: rgba(212, 175, 55, 0.1);
    transform: translateY(-2px);
}

/* ==================== SECTIONS ==================== */
.section {
    padding: var(--spacing-xl) 0;
    background: var(--color-bg-section);
    position: relative;
}

.section:nth-child(even) {
    background: var(--color-bg-dark);
}

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

.section-label {
    display: inline-block;
    color: var(--color-primary);
    font-weight: 600;
    font-size: 0.875rem;
    text-transform: uppercase;
    letter-spacing: 2px;
    margin-bottom: var(--spacing-sm);
}

.section-title {
    font-size: clamp(2rem, 4vw, 3rem);
    font-weight: 800;
    margin-bottom: var(--spacing-sm);
}

.section-subtitle {
    font-size: 1.125rem;
    color: var(--color-text-secondary);
    max-width: 700px;
    margin: 0 auto;
}

/* ==================== ABOUT SECTION ==================== */
.about-content {
    max-width: 900px;
    margin: 0 auto;
}

.about-text {
    color: var(--color-text-secondary);
    font-size: 1.125rem;
    line-height: 1.8;
}

.about-text .lead {
    font-size: 1.25rem;
    color: var(--color-text-primary);
    margin-bottom: var(--spacing-md);
}

.about-text p {
    margin-bottom: var(--spacing-md);
}

.about-highlights {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-md);
    margin: var(--spacing-lg) 0;
}

.highlight {
    display: flex;
    align-items: flex-start;
    gap: 1rem;
    padding: var(--spacing-md);
    background: var(--color-bg-card);
    border-radius: var(--radius-lg);
    transition: var(--transition-base);
}

.highlight:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-gold);
}

.highlight i {
    font-size: 2rem;
    color: var(--color-primary);
    flex-shrink: 0;
}

.highlight strong {
    display: block;
    color: var(--color-text-primary);
    font-size: 1.125rem;
    margin-bottom: 0.25rem;
}

.highlight span {
    color: var(--color-text-muted);
    font-size: 0.875rem;
}

.about-founder {
    margin-top: var(--spacing-lg);
    padding: var(--spacing-md);
    background: var(--color-bg-card);
    border-radius: var(--radius-lg);
    border-left: 4px solid var(--color-primary);
}

.founder-info h3 {
    color: var(--color-primary);
    font-size: 1.5rem;
    margin-bottom: 0.5rem;
}

.founder-title {
    font-size: 1.125rem;
    color: var(--color-text-primary);
    font-weight: 600;
    margin-bottom: 0.5rem;
}

.founder-bio {
    color: var(--color-text-muted);
    margin-bottom: var(--spacing-md);
}

.founder-links {
    display: flex;
    gap: var(--spacing-sm);
}

.social-link {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    background: rgba(212, 175, 55, 0.1);
    border: 1px solid var(--color-primary);
    border-radius: 50%;
    color: var(--color-primary);
    font-size: 1.125rem;
    transition: var(--transition-fast);
}

.social-link:hover {
    background: var(--color-primary);
    color: var(--color-bg-dark);
    transform: translateY(-3px);
}

/* ==================== AI SPOTLIGHT ==================== */
.ai-spotlight {
    background: linear-gradient(135deg, rgba(212, 175, 55, 0.05) 0%, rgba(10, 14, 26, 0.8) 100%);
    border-top: 1px solid var(--color-border);
    border-bottom: 1px solid var(--color-border);
}

.spotlight-content {
    max-width: 900px;
    margin: 0 auto;
    text-align: center;
}

.spotlight-badge {
    display: inline-block;
    padding: 0.5rem 1.5rem;
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
    color: var(--color-bg-dark);
    border-radius: 50px;
    font-weight: 700;
    font-size: 0.875rem;
    letter-spacing: 1px;
    margin-bottom: var(--spacing-md);
}

.spotlight-title {
    font-size: clamp(2rem, 4vw, 2.5rem);
    font-weight: 800;
    margin-bottom: var(--spacing-md);
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-light) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.spotlight-intro {
    font-size: 1.25rem;
    color: var(--color-text-secondary);
    margin-bottom: var(--spacing-lg);
    line-height: 1.8;
}

.spotlight-features {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
    text-align: left;
}

.spotlight-feature {
    display: flex;
    align-items: flex-start;
    gap: 1.5rem;
    padding: var(--spacing-md);
    background: var(--color-bg-card);
    border-radius: var(--radius-lg);
    border-left: 4px solid var(--color-primary);
    transition: var(--transition-base);
}

.spotlight-feature:hover {
    transform: translateX(10px);
    box-shadow: var(--shadow-gold);
}

.spotlight-feature i {
    font-size: 2.5rem;
    color: var(--color-primary);
    flex-shrink: 0;
}

.spotlight-feature strong {
    display: block;
    font-size: 1.25rem;
    color: var(--color-text-primary);
    margin-bottom: 0.5rem;
}

.spotlight-feature span {
    color: var(--color-text-secondary);
    line-height: 1.6;
}

/* ==================== SERVICES ==================== */
.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: var(--spacing-md);
}

.service-card {
    padding: var(--spacing-md);
    background: var(--color-bg-card);
    border-radius: var(--radius-lg);
    border: 1px solid var(--color-border);
    transition: var(--transition-base);
    position: relative;
    overflow: hidden;
}

.service-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 4px;
    background: linear-gradient(90deg, var(--color-primary) 0%, var(--color-primary-light) 100%);
    transform: scaleX(0);
    transform-origin: left;
    transition: var(--transition-base);
}

.service-card:hover::before {
    transform: scaleX(1);
}

.service-card:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-gold);
    border-color: var(--color-primary);
}

.service-card.featured {
    border-color: var(--color-primary);
    box-shadow: var(--shadow-gold);
}

.service-icon {
    width: 60px;
    height: 60px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(212, 175, 55, 0.1);
    border-radius: var(--radius-md);
    color: var(--color-primary);
    font-size: 2rem;
    margin-bottom: var(--spacing-md);
}

.service-badge {
    display: inline-block;
    padding: 0.25rem 0.75rem;
    background: rgba(212, 175, 55, 0.1);
    color: var(--color-primary);
    border-radius: 50px;
    font-size: 0.75rem;
    font-weight: 600;
    margin-bottom: var(--spacing-sm);
}

.service-title {
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: var(--spacing-sm);
}

.service-description {
    color: var(--color-text-secondary);
    margin-bottom: var(--spacing-md);
    line-height: 1.6;
}

.service-list {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.service-list li {
    display: flex;
    align-items: flex-start;
    gap: 0.75rem;
    color: var(--color-text-secondary);
    font-size: 0.9375rem;
}

.service-list i {
    color: var(--color-primary);
    margin-top: 0.25rem;
    flex-shrink: 0;
}

/* ==================== EXPERTISE ==================== */
.tech-categories {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-xl);
}

.tech-category {
    padding: var(--spacing-md);
    background: var(--color-bg-card);
    border-radius: var(--radius-lg);
    border: 1px solid var(--color-border);
}

.tech-category h3 {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    font-size: 1.25rem;
    color: var(--color-primary);
    margin-bottom: var(--spacing-md);
}

.tech-category i {
    font-size: 1.5rem;
}

.tech-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 0.75rem;
}

.tech-tag {
    padding: 0.5rem 1rem;
    background: rgba(212, 175, 55, 0.1);
    color: var(--color-text-primary);
    border: 1px solid transparent;
    border-radius: var(--radius-md);
    font-size: 0.875rem;
    font-weight: 500;
    transition: var(--transition-fast);
}

.tech-tag:hover {
    border-color: var(--color-primary);
    background: rgba(212, 175, 55, 0.2);
}

.tech-tag.hot {
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
    color: var(--color-bg-dark);
    font-weight: 700;
}

/* ==================== TIMELINE ==================== */
.timeline {
    margin-top: var(--spacing-lg);
}

.timeline-title {
    font-size: 2rem;
    text-align: center;
    margin-bottom: var(--spacing-lg);
    color: var(--color-primary);
}

.timeline-items {
    position: relative;
    padding-left: var(--spacing-md);
}

.timeline-items::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0;
    bottom: 0;
    width: 2px;
    background: linear-gradient(180deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
}

.timeline-item {
    position: relative;
    padding: var(--spacing-md);
    margin-bottom: var(--spacing-md);
    background: var(--color-bg-card);
    border-radius: var(--radius-lg);
    border: 1px solid var(--color-border);
    transition: var(--transition-base);
}

.timeline-item:hover {
    transform: translateX(10px);
    box-shadow: var(--shadow-gold);
    border-color: var(--color-primary);
}

.timeline-dot {
    position: absolute;
    left: calc(-1rem - 6px);
    top: var(--spacing-md);
    width: 12px;
    height: 12px;
    background: var(--color-primary);
    border-radius: 50%;
    box-shadow: 0 0 0 4px var(--color-bg-card);
}

.timeline-date {
    display: inline-block;
    padding: 0.25rem 0.75rem;
    background: rgba(212, 175, 55, 0.1);
    color: var(--color-primary);
    border-radius: 50px;
    font-size: 0.75rem;
    font-weight: 600;
    margin-bottom: 0.5rem;
}

.timeline-content h4 {
    font-size: 1.5rem;
    margin-bottom: 0.25rem;
    color: var(--color-text-primary);
}

.timeline-role {
    color: var(--color-primary);
    font-weight: 600;
    margin-bottom: 0.5rem;
}

.timeline-content p {
    color: var(--color-text-secondary);
    line-height: 1.6;
}

/* ==================== CONTACT ==================== */
.contact-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-lg);
    align-items: start;
}

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

.contact-card {
    padding: var(--spacing-md);
    background: var(--color-bg-card);
    border-radius: var(--radius-lg);
    border: 1px solid var(--color-border);
    text-align: center;
    transition: var(--transition-base);
}

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

.contact-icon {
    width: 60px;
    height: 60px;
    margin: 0 auto var(--spacing-md);
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(212, 175, 55, 0.1);
    border-radius: 50%;
    color: var(--color-primary);
    font-size: 1.5rem;
}

.contact-card h3 {
    font-size: 1.25rem;
    margin-bottom: 0.5rem;
    color: var(--color-text-primary);
}

.contact-card p {
    color: var(--color-text-secondary);
    font-size: 0.9375rem;
}

.contact-card a {
    color: var(--color-primary);
    transition: var(--transition-fast);
}

.contact-card a:hover {
    text-decoration: underline;
}

/* Contact Form */
.contact-form-wrapper {
    padding: var(--spacing-md);
    background: var(--color-bg-card);
    border-radius: var(--radius-lg);
    border: 1px solid var(--color-border);
}

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

.form-group {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.form-group label {
    font-weight: 600;
    color: var(--color-text-primary);
    font-size: 0.875rem;
}

.form-group input,
.form-group textarea {
    padding: 0.75rem;
    background: var(--color-bg-section);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    color: var(--color-text-primary);
    font-family: inherit;
    font-size: 1rem;
    transition: var(--transition-fast);
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px rgba(212, 175, 55, 0.1);
}

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

/* ==================== FOOTER ==================== */
.footer {
    background: var(--color-bg-dark);
    border-top: 1px solid var(--color-border);
    padding: var(--spacing-lg) 0 var(--spacing-md);
}

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

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

.footer-col ul {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.footer-col a {
    color: var(--color-text-secondary);
    transition: var(--transition-fast);
}

.footer-col a:hover {
    color: var(--color-primary);
    padding-left: 5px;
}

.footer-logo {
    width: 50px;
    height: auto;
    margin-bottom: var(--spacing-sm);
}

.footer-tagline {
    color: var(--color-text-muted);
    font-size: 0.875rem;
    margin-bottom: var(--spacing-md);
}

.footer-social {
    display: flex;
    gap: var(--spacing-sm);
}

.footer-social a {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    background: rgba(212, 175, 55, 0.1);
    border: 1px solid var(--color-primary);
    border-radius: 50%;
    color: var(--color-primary);
    font-size: 1.125rem;
    transition: var(--transition-fast);
}

.footer-social a:hover {
    background: var(--color-primary);
    color: var(--color-bg-dark);
    transform: translateY(-3px);
}

.footer-bottom {
    text-align: center;
    padding-top: var(--spacing-md);
    border-top: 1px solid var(--color-border);
    color: var(--color-text-muted);
    font-size: 0.875rem;
}

.footer-cv-link {
    margin-top: var(--spacing-sm);
}

/* ==================== BACK TO TOP ==================== */
.back-to-top {
    position: fixed;
    bottom: 2rem;
    right: 2rem;
    width: 50px;
    height: 50px;
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
    color: var(--color-bg-dark);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.25rem;
    box-shadow: var(--shadow-md);
    opacity: 0;
    visibility: hidden;
    transform: translateY(20px);
    transition: var(--transition-base);
    z-index: 999;
}

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

.back-to-top:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-gold);
}

/* ==================== RESPONSIVE ==================== */
@media (max-width: 968px) {
    .nav-menu {
        position: fixed;
        top: 70px;
        right: -100%;
        width: 300px;
        height: calc(100vh - 70px);
        background: var(--color-bg-card);
        flex-direction: column;
        padding: var(--spacing-md);
        gap: var(--spacing-sm);
        box-shadow: var(--shadow-lg);
        transition: right var(--transition-base);
        overflow-y: auto;
    }
    
    .nav-menu.active {
        right: 0;
    }
    
    .hamburger {
        display: flex;
    }
    
    .services-grid {
        grid-template-columns: 1fr;
    }
    
    .contact-content {
        grid-template-columns: 1fr;
    }
    
    .hero-stats {
        gap: var(--spacing-md);
    }
}

@media (max-width: 768px) {
    :root {
        --spacing-lg: 3rem;
        --spacing-xl: 4rem;
    }
    
    .logo-img {
        height: 40px;
    }
    
    .hero-logo {
        width: 80px;
    }
    
    .hero-stats {
        flex-direction: column;
        gap: var(--spacing-md);
    }
    
    .hero-cta {
        flex-direction: column;
    }
    
    .btn-large {
        width: 100%;
        justify-content: center;
    }
    
    .footer-content {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 var(--spacing-sm);
    }
    
    .section {
        padding: var(--spacing-lg) 0;
    }
    
    .section-title {
        font-size: 1.75rem;
    }
    
    .spotlight-title {
        font-size: 1.5rem;
    }
}