/* ============================================
   VARIABLES & RESET
   ============================================ */

:root {
    /* Colors - Paleta Azul/Celeste + Oscuros */
    --primary-blue: #0066FF;
    --secondary-blue: #00A3FF;
    --light-blue: #4DC3FF;
    --dark-bg: #0A0E1A;
    --darker-bg: #070A14;
    --card-bg: #12172B;
    --text-primary: #FFFFFF;
    --text-secondary: #A0AEC0;
    --text-muted: #718096;
    --accent-gradient: linear-gradient(135deg, #0066FF 0%, #00A3FF 100%);
    
    /* Typography */
    --font-primary: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    --font-display: 'Space Grotesk', var(--font-primary);
    
    /* Spacing */
    --section-padding: 25px 0;
    --container-padding: 0 24px;
    
    /* Borders & Radius */
    --border-radius: 12px;
    --border-radius-lg: 20px;
    --border-color: rgba(255, 255, 255, 0.1);
    
    /* Shadows */
    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.1);
    --shadow-md: 0 4px 20px rgba(0, 102, 255, 0.15);
    --shadow-lg: 0 8px 32px rgba(0, 102, 255, 0.2);
    
    /* Transitions */
    --transition-base: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
    scroll-padding-top: 70px;
}

body {
    font-family: var(--font-primary);
    background-color: var(--dark-bg);
    color: var(--text-primary);
    line-height: 1.7;
    font-size: 16px;
    overflow-x: hidden;
}

/* ============================================
   UTILITIES
   ============================================ */

.container {
    max-width: 1280px;
    margin: 0 auto;
    padding: var(--container-padding);
}

.gradient-text {
    background: var(--accent-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* Section Headers */
.section-header {
    text-align: center;
    margin-bottom: 80px;
}

.section-tag {
    display: inline-block;
    padding: 8px 20px;
    background: rgba(0, 102, 255, 0.1);
    border: 1px solid rgba(0, 102, 255, 0.3);
    border-radius: 50px;
    color: var(--secondary-blue);
    font-size: 14px;
    font-weight: 600;
    letter-spacing: 1px;
    text-transform: uppercase;
    margin-bottom: 20px;
}

.section-title {
    font-family: var(--font-display);
    font-size: clamp(32px, 5vw, 48px);
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: 20px;
}

.section-description {
    font-size: 18px;
    color: var(--text-secondary);
    max-width: 700px;
    margin: 0 auto;
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 16px 32px;
    font-family: var(--font-primary);
    font-size: 16px;
    font-weight: 600;
    text-decoration: none;
    border: none;
    border-radius: var(--border-radius);
    cursor: pointer;
    transition: var(--transition-base);
    white-space: nowrap;
}

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

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

.btn-secondary {
    background: rgba(255, 255, 255, 0.05);
    color: var(--text-primary);
    border: 1px solid var(--border-color);
}

.btn-secondary:hover {
    background: rgba(255, 255, 255, 0.1);
    border-color: var(--primary-blue);
}

/* ============================================
   NAVIGATION
   ============================================ */

.navbar {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    background: rgba(10, 14, 26, 0.95);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--border-color);
    z-index: 1000;
    transition: var(--transition-base);
}

.navbar.scrolled {
    background: rgba(10, 14, 26, 0.98);
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
}

.nav-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 12px 0;
    gap: 60px;
}

.logo {
    display: flex;
    align-items: center;
    gap: 14px;
    cursor: pointer;
    transition: var(--transition-base);
    text-decoration: none;
}

.logo:hover .logo-image {
    transform: scale(1.05);
    filter: drop-shadow(0 0 10px rgba(0, 163, 255, 0.5));
}

.logo-image {
    width: 50px;
    height: 50px;
    flex-shrink: 0;
    transition: var(--transition-base);
}

.logo-text-container {
    display: flex;
    flex-direction: column;
    gap: 2px;
}

.logo-text {
    font-family: 'Orbitron', 'Space Grotesk', sans-serif;
    font-size: 24px;
    font-weight: 900;
    letter-spacing: 2.5px;
    background: var(--accent-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    line-height: 1;
    text-transform: uppercase;
}

.logo-slogan {
    font-family: 'Rajdhani', 'Inter', sans-serif;
    font-size: 10px;
    font-weight: 600;
    letter-spacing: 2px;
    text-transform: uppercase;
    background: linear-gradient(90deg, #00A3FF 0%, #4DC3FF 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-left: 2px;
    position: relative;
    text-shadow: 0 0 20px rgba(0, 163, 255, 0.3);
    animation: subtle-glow 3s ease-in-out infinite;
}

@keyframes subtle-glow {
    0%, 100% {
        opacity: 0.9;
    }
    50% {
        opacity: 1;
        filter: brightness(1.2);
    }
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 40px;
    align-items: center;
    flex: 1;
    justify-content: center;
}

.nav-link {
    color: var(--text-secondary);
    text-decoration: none;
    font-weight: 500;
    font-size: 14px;
    transition: var(--transition-base);
    position: relative;
    padding: 6px 0;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--accent-gradient);
    transition: var(--transition-base);
}

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

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

.nav-link-cta {
    padding: 10px 24px;
    background: rgba(0, 102, 255, 0.1);
    border-radius: 50px;
    color: var(--secondary-blue);
}

.nav-link-cta:hover {
    background: var(--accent-gradient);
    color: var(--text-primary);
}

.nav-link-cta::after {
    display: none;
}

/* Language Switcher */
.language-switcher {
    margin-left: 20px;
    position: relative;
}

.language-selector {
    position: relative;
}

.lang-button {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 8px 16px;
    background: rgba(0, 102, 255, 0.1);
    border: 1px solid rgba(0, 102, 255, 0.3);
    border-radius: 50px;
    color: var(--secondary-blue);
    font-size: 13px;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition-base);
    outline: none;
}

.lang-button:hover {
    background: var(--accent-gradient);
    color: var(--text-primary);
    border-color: transparent;
}

.lang-button i.fa-globe {
    font-size: 14px;
}

.lang-button i.fa-chevron-down {
    font-size: 10px;
    transition: transform 0.3s ease;
}

.lang-button.active i.fa-chevron-down {
    transform: rotate(180deg);
}

.lang-dropdown {
    position: absolute;
    top: calc(100% + 10px);
    right: 0;
    min-width: 160px;
    background: var(--card-bg);
    border: 1px solid rgba(0, 102, 255, 0.3);
    border-radius: var(--border-radius);
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.3);
    opacity: 0;
    visibility: hidden;
    transform: translateY(-10px);
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    z-index: 1000;
    overflow: hidden;
}

.lang-dropdown.active {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.lang-option {
    display: block;
    padding: 12px 20px;
    color: var(--text-secondary);
    text-decoration: none;
    font-size: 14px;
    font-weight: 500;
    transition: var(--transition-base);
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

.lang-option:last-child {
    border-bottom: none;
}

.lang-option:hover {
    background: rgba(0, 102, 255, 0.1);
    color: var(--text-primary);
    padding-left: 24px;
}

.lang-option.active {
    background: rgba(0, 102, 255, 0.15);
    color: var(--secondary-blue);
    position: relative;
}

.lang-option.active::before {
    content: '●';
    position: absolute;
    left: 12px;
    color: var(--secondary-blue);
    font-size: 8px;
}

.mobile-menu-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: transparent;
    border: none;
    cursor: pointer;
}

.mobile-menu-toggle span {
    width: 25px;
    height: 2px;
    background: var(--text-primary);
    transition: var(--transition-base);
}

/* ============================================
   HERO SECTION
   ============================================ */

.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding: 80px 0 80px;
    overflow: hidden;
}

.hero-background {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: radial-gradient(circle at 50% 0%, rgba(0, 102, 255, 0.15) 0%, transparent 50%);
    pointer-events: none;
}

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

.hero-title {
    font-family: var(--font-display);
    font-size: clamp(40px, 7vw, 72px);
    font-weight: 700;
    line-height: 1.15;
    margin-bottom: 30px;
    animation: fadeInUp 0.8s ease-out;
}

.hero-subtitle {
    font-size: clamp(18px, 2.5vw, 22px);
    color: var(--text-secondary);
    margin-bottom: 40px;
    line-height: 1.6;
    animation: fadeInUp 0.8s ease-out 0.2s backwards;
}

.hero-cta {
    display: flex;
    gap: 20px;
    justify-content: center;
    flex-wrap: wrap;
    margin-bottom: 80px;
    animation: fadeInUp 0.8s ease-out 0.4s backwards;
}

.hero-stats {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: 40px;
    max-width: 800px;
    margin: 0 auto;
    padding-top: 60px;
    border-top: 1px solid var(--border-color);
    animation: fadeInUp 0.8s ease-out 0.6s backwards;
}

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

.stat-number {
    font-family: var(--font-display);
    font-size: 36px;
    font-weight: 700;
    background: var(--accent-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 8px;
}

.stat-label {
    font-size: 14px;
    color: var(--text-secondary);
    font-weight: 500;
}

/* ============================================
   ABOUT SECTION
   ============================================ */

.about {
    padding: var(--section-padding);
    background: var(--darker-bg);
}

.about-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 80px;
    align-items: start;
}

.about-text {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.lead {
    font-size: 20px;
    line-height: 1.7;
    color: var(--text-primary);
}

.about-text p {
    color: var(--text-secondary);
    line-height: 1.8;
}

.about-features {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 24px;
}

.feature-card {
    padding: 32px;
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius-lg);
    transition: var(--transition-base);
}

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

.feature-icon {
    width: 60px;
    height: 60px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(0, 102, 255, 0.1);
    border-radius: var(--border-radius);
    margin-bottom: 20px;
    font-size: 28px;
    color: var(--secondary-blue);
}

.feature-card h3 {
    font-size: 20px;
    font-weight: 600;
    margin-bottom: 12px;
}

.feature-card p {
    font-size: 14px;
    color: var(--text-secondary);
    line-height: 1.6;
}

/* ============================================
   SERVICES SECTION
   ============================================ */

.services {
    padding: var(--section-padding);
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 32px;
}

.service-card {
    position: relative;
    padding: 40px;
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius-lg);
    transition: var(--transition-base);
}

.service-card:hover {
    transform: translateY(-8px);
    border-color: var(--primary-blue);
    box-shadow: var(--shadow-lg);
}

.service-card.featured {
    border: 2px solid var(--primary-blue);
    background: linear-gradient(135deg, rgba(0, 102, 255, 0.05) 0%, rgba(0, 163, 255, 0.05) 100%);
}

.service-badge {
    position: absolute;
    top: -12px;
    right: 32px;
    padding: 6px 16px;
    background: var(--accent-gradient);
    color: var(--text-primary);
    font-size: 12px;
    font-weight: 600;
    border-radius: 50px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.service-header {
    display: flex;
    align-items: center;
    gap: 16px;
    margin-bottom: 20px;
}

.service-header i {
    font-size: 36px;
    color: var(--secondary-blue);
}

.service-header h3 {
    font-size: 24px;
    font-weight: 600;
}

.service-card > p {
    color: var(--text-secondary);
    margin-bottom: 24px;
    line-height: 1.7;
}

.service-list {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.service-list li {
    position: relative;
    padding-left: 28px;
    color: var(--text-secondary);
    font-size: 14px;
}

.service-list li::before {
    content: '→';
    position: absolute;
    left: 0;
    color: var(--secondary-blue);
    font-weight: bold;
}

/* ============================================
   PROCESS SECTION
   ============================================ */

.process {
    padding: var(--section-padding);
    background: var(--darker-bg);
}

.process-timeline {
    position: relative;
    max-width: 900px;
    margin: 0 auto;
}

.process-timeline::before {
    content: '';
    position: absolute;
    left: 30px;
    top: 50px;
    bottom: 50px;
    width: 2px;
    background: linear-gradient(180deg, var(--primary-blue) 0%, var(--secondary-blue) 100%);
}

.process-step {
    position: relative;
    display: flex;
    gap: 40px;
    margin-bottom: 60px;
}

.process-step:last-child {
    margin-bottom: 0;
}

.step-number {
    flex-shrink: 0;
    width: 60px;
    height: 60px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--accent-gradient);
    border-radius: 50%;
    font-family: var(--font-display);
    font-size: 24px;
    font-weight: 700;
    box-shadow: var(--shadow-md);
    z-index: 1;
}

.step-content {
    flex: 1;
    padding: 20px 32px;
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius-lg);
    transition: var(--transition-base);
}

.step-content:hover {
    border-color: var(--primary-blue);
    box-shadow: var(--shadow-md);
}

.step-content h3 {
    font-size: 24px;
    font-weight: 600;
    margin-bottom: 16px;
}

.step-content > p {
    color: var(--text-secondary);
    margin-bottom: 20px;
    line-height: 1.7;
}

.step-features {
    display: flex;
    flex-wrap: wrap;
    gap: 16px;
}

.step-features span {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 8px 16px;
    background: rgba(0, 102, 255, 0.1);
    border-radius: 50px;
    font-size: 13px;
    color: var(--text-secondary);
}

.step-features i {
    color: var(--secondary-blue);
    font-size: 12px;
}

/* ============================================
   CREDENTIALS SECTION
   ============================================ */

.credentials {
    padding: var(--section-padding);
}

.credentials-content {
    max-width: 1000px;
    margin: 0 auto;
}

.credentials-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 24px;
    margin-bottom: 60px;
}

.credential-item {
    padding: 32px;
    text-align: center;
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius-lg);
    transition: var(--transition-base);
}

.credential-item:hover {
    transform: translateY(-5px);
    border-color: var(--primary-blue);
}

.credential-item i {
    font-size: 48px;
    color: var(--secondary-blue);
    margin-bottom: 16px;
}

.credential-item h4 {
    font-size: 16px;
    font-weight: 600;
    color: var(--text-primary);
}

.project-showcase {
    padding: 48px;
    background: linear-gradient(135deg, rgba(0, 102, 255, 0.05) 0%, rgba(0, 163, 255, 0.05) 100%);
    border: 2px solid var(--primary-blue);
    border-radius: var(--border-radius-lg);
}

.showcase-header {
    display: flex;
    align-items: center;
    gap: 16px;
    margin-bottom: 20px;
}

.showcase-header i {
    font-size: 28px;
    color: #FFD700;
}

.showcase-header h3 {
    font-size: 28px;
    font-weight: 700;
}

.project-showcase > p {
    color: var(--text-secondary);
    margin-bottom: 32px;
    line-height: 1.7;
    font-size: 17px;
}

.showcase-features {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 24px;
}

.showcase-feature {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 16px 24px;
    background: var(--card-bg);
    border-radius: var(--border-radius);
}

.showcase-feature i {
    font-size: 24px;
    color: var(--secondary-blue);
}

.showcase-feature span {
    font-weight: 500;
}

/* Projects Grid */
.projects-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 32px;
    margin-top: 60px;
}

.project-card {
    position: relative;
    padding: 40px;
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius-lg);
    transition: var(--transition-base);
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.project-card:hover {
    transform: translateY(-8px);
    border-color: var(--primary-blue);
    box-shadow: var(--shadow-lg);
}

.project-card.featured {
    border: 2px solid var(--primary-blue);
    background: linear-gradient(135deg, rgba(0, 102, 255, 0.05) 0%, rgba(0, 163, 255, 0.05) 100%);
}

.project-badge {
    position: absolute;
    top: -12px;
    right: 32px;
    padding: 6px 16px;
    background: var(--accent-gradient);
    color: var(--text-primary);
    font-size: 12px;
    font-weight: 600;
    border-radius: 50px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.project-icon {
    width: 64px;
    height: 64px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(0, 102, 255, 0.1);
    border-radius: var(--border-radius);
    font-size: 32px;
    color: var(--secondary-blue);
}

.project-card h3 {
    font-size: 22px;
    font-weight: 600;
    line-height: 1.3;
}

.project-card > p {
    color: var(--text-secondary);
    line-height: 1.7;
    font-size: 15px;
    flex: 1;
}

.project-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    margin-top: auto;
}

.project-tags span {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 6px 12px;
    background: rgba(0, 102, 255, 0.1);
    border: 1px solid rgba(0, 102, 255, 0.2);
    border-radius: 50px;
    font-size: 12px;
    color: var(--text-secondary);
    font-weight: 500;
}

.project-tags i {
    color: var(--secondary-blue);
    font-size: 11px;
}

/* ============================================
   CTA SECTION
   ============================================ */

.cta-section {
    padding: var(--section-padding);
    background: var(--darker-bg);
}

.cta-content {
    max-width: 1000px;
    margin: 0 auto;
}

.cta-text {
    text-align: center;
    margin-bottom: 60px;
}

.cta-text h2 {
    font-family: var(--font-display);
    font-size: clamp(32px, 5vw, 48px);
    font-weight: 700;
    margin-bottom: 20px;
}

.cta-text p {
    font-size: 18px;
    color: var(--text-secondary);
    max-width: 700px;
    margin: 0 auto;
}

.cta-options {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 32px;
}

.cta-option {
    position: relative;
    padding: 48px 40px;
    text-align: center;
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius-lg);
    transition: var(--transition-base);
}

.cta-option:hover {
    transform: translateY(-5px);
    border-color: var(--primary-blue);
    box-shadow: var(--shadow-md);
}

.cta-option.highlight {
    border: 2px solid var(--primary-blue);
    background: linear-gradient(135deg, rgba(0, 102, 255, 0.05) 0%, rgba(0, 163, 255, 0.05) 100%);
}

.cta-badge {
    position: absolute;
    top: -14px;
    left: 50%;
    transform: translateX(-50%);
    padding: 8px 20px;
    background: var(--accent-gradient);
    color: var(--text-primary);
    font-size: 12px;
    font-weight: 700;
    border-radius: 50px;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.cta-icon {
    width: 80px;
    height: 80px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 24px;
    background: rgba(0, 102, 255, 0.1);
    border-radius: 50%;
    font-size: 36px;
    color: var(--secondary-blue);
}

.cta-option h3 {
    font-size: 24px;
    font-weight: 600;
    margin-bottom: 16px;
}

.cta-option p {
    color: var(--text-secondary);
    margin-bottom: 32px;
    line-height: 1.7;
}

.cta-option .btn {
    width: 100%;
    justify-content: center;
}

.cta-note {
    display: block;
    margin-top: 16px;
    font-size: 13px;
    color: var(--text-muted);
    font-style: italic;
}

.cta-note i {
    margin-right: 4px;
}

/* ============================================
   FOOTER
   ============================================ */

.footer {
    background: var(--darker-bg);
    border-top: 1px solid var(--border-color);
    padding: 80px 0 40px;
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 48px;
    margin-bottom: 48px;
}

.footer-section h3,
.footer-section h4 {
    margin-bottom: 24px;
    font-weight: 600;
}

.footer-section p {
    color: var(--text-secondary);
    margin-bottom: 20px;
    line-height: 1.6;
}

.footer-section ul {
    list-style: none;
}

.footer-section ul li {
    margin-bottom: 12px;
}

.footer-section ul li a,
.footer-section ul li {
    color: var(--text-secondary);
    text-decoration: none;
    transition: var(--transition-base);
    display: flex;
    align-items: center;
    gap: 8px;
}

.footer-section ul li a:hover {
    color: var(--secondary-blue);
}

.social-links {
    display: flex;
    gap: 16px;
}

.social-links a {
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid var(--border-color);
    border-radius: 50%;
    color: var(--text-secondary);
    transition: var(--transition-base);
}

.social-links a:hover {
    background: var(--accent-gradient);
    border-color: transparent;
    color: var(--text-primary);
    transform: translateY(-3px);
}

.footer-bottom {
    padding-top: 32px;
    border-top: 1px solid var(--border-color);
    text-align: center;
}

.footer-bottom p {
    color: var(--text-muted);
    font-size: 14px;
}

/* ============================================
   ANIMATIONS
   ============================================ */

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

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

@media (max-width: 1024px) {
    .about-content {
        grid-template-columns: 1fr;
        gap: 60px;
    }
    
    .projects-grid {
        grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    }
    
    .process-timeline::before {
        left: 20px;
    }
    
    .step-number {
        width: 50px;
        height: 50px;
        font-size: 20px;
    }
}

@media (max-width: 768px) {
    :root {
        --section-padding: 80px 0;
    }
    
    .nav-content {
        gap: 20px;
    }
    
    .logo-image {
        width: 40px;
        height: 40px;
    }
    
    .logo-text {
        font-size: 20px;
        letter-spacing: 2px;
    }
    
    .logo-slogan {
        font-size: 8px;
        letter-spacing: 1.5px;
    }
    
    .nav-menu {
        position: fixed;
        top: 70px;
        left: -100%;
        width: 100%;
        height: calc(100vh - 70px);
        flex-direction: column;
        background: var(--darker-bg);
        padding: 40px;
        transition: var(--transition-base);
        justify-content: flex-start;
        gap: 24px;
    }
    
    .nav-menu.active {
        left: 0;
    }
    
    .mobile-menu-toggle {
        display: flex;
    }
    
    /* Language selector responsive */
    .language-switcher {
        margin-left: 0;
        width: 100%;
    }
    
    .lang-button {
        width: 100%;
        justify-content: center;
    }
    
    .lang-dropdown {
        position: static;
        margin-top: 10px;
        width: 100%;
    }
    
    .hero {
        padding: 100px 0 60px;
        min-height: auto;
    }
    
    .hero-cta {
        flex-direction: column;
        align-items: stretch;
    }
    
    .hero-cta .btn {
        width: 100%;
        justify-content: center;
    }
    
    .about-features {
        grid-template-columns: 1fr;
    }
    
    .services-grid {
        grid-template-columns: 1fr;
    }
    
    .projects-grid {
        grid-template-columns: 1fr;
    }
    
    .project-card {
        padding: 32px 24px;
    }
    
    .process-step {
        flex-direction: column;
        gap: 20px;
    }
    
    .process-timeline::before {
        display: none;
    }
    
    .credentials-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .project-showcase {
        padding: 32px 24px;
    }
    
    .cta-options {
        grid-template-columns: 1fr;
    }
    
    .footer-content {
        grid-template-columns: 1fr;
        gap: 32px;
    }
}

@media (max-width: 480px) {
    .section-header {
        margin-bottom: 48px;
    }
    
    .hero-stats {
        grid-template-columns: 1fr;
        gap: 32px;
    }
    
    .credentials-grid {
        grid-template-columns: 1fr;
    }
    
    .step-content {
        padding: 20px;
    }
}