/* ===================================
   CSS Variables & Reset
   =================================== */
:root {
    /* Colors */
    --primary: #0066FF;
    --primary-dark: #0052CC;
    --primary-light: #4D94FF;
    --accent: #00D4AA;
    --accent-dark: #00B894;

    /* Neutrals */
    --dark: #0A1628;
    --dark-lighter: #132039;
    --gray-900: #1A2744;
    --gray-800: #2D3F5F;
    --gray-700: #4A5F82;
    --gray-600: #6B7FA3;
    --gray-500: #8E9FBC;
    --gray-400: #B4C2D8;
    --gray-300: #D4DEF0;
    --gray-200: #E8EDF7;
    --gray-100: #F4F7FC;
    --white: #FFFFFF;

    /* Gradients */
    --gradient-primary: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
    --gradient-accent: linear-gradient(135deg, var(--accent) 0%, var(--accent-dark) 100%);
    --gradient-dark: linear-gradient(180deg, var(--dark) 0%, var(--dark-lighter) 100%);
    --gradient-hero: linear-gradient(135deg, #0A1628 0%, #1A2744 50%, #0A1628 100%);

    /* Typography */
    --font-primary: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    --font-display: 'Playfair Display', Georgia, serif;

    /* Spacing */
    --section-padding: 120px;
    --container-width: 1200px;

    /* Transitions */
    --transition-fast: 0.2s ease;
    --transition-base: 0.3s ease;
    --transition-slow: 0.5s ease;

    /* Shadows */
    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.08);
    --shadow-md: 0 4px 20px rgba(0, 0, 0, 0.12);
    --shadow-lg: 0 8px 40px rgba(0, 0, 0, 0.16);
    --shadow-glow: 0 0 40px rgba(0, 102, 255, 0.3);
}

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

/* Skip Link for Accessibility */
.skip-link {
    position: absolute;
    top: -100px;
    left: -100px;
    width: 1px;
    height: 1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    background: var(--primary);
    color: var(--white);
    padding: 8px 16px;
    z-index: 10000;
    text-decoration: none;
    font-weight: 600;
    border-radius: 0 0 8px 0;
}

.skip-link:focus {
    position: fixed;
    top: 10px;
    left: 10px;
    width: auto;
    height: auto;
    overflow: visible;
    clip: auto;
    outline: 2px solid var(--accent);
    outline-offset: 2px;
}

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

body {
    font-family: var(--font-primary);
    color: var(--gray-800);
    background: var(--white);
    line-height: 1.6;
    overflow-x: hidden;
}

/* Selection */
::selection {
    background: var(--primary);
    color: var(--white);
}

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

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

/* ===================================
   Layout
   =================================== */
.container {
    max-width: var(--container-width);
    margin: 0 auto;
    padding: 0 24px;
}

/* ===================================
   Navigation
   =================================== */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    padding: 20px 0;
    transition: all var(--transition-base);
}

.navbar.scrolled {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(20px);
    padding: 12px 0;
    box-shadow: var(--shadow-sm);
}

.navbar.scrolled .nav-link {
    color: var(--gray-800);
}

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

.nav-container {
    max-width: var(--container-width);
    margin: 0 auto;
    padding: 0 24px;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.nav-logo {
    display: flex;
    align-items: center;
    text-decoration: none;
}

.logo-text {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--white);
    letter-spacing: -0.02em;
    transition: color var(--transition-fast);
}

.navbar.scrolled .logo-text {
    color: var(--dark);
}

.logo-img {
    height: 40px;
    width: auto;
}

.nav-menu {
    display: flex;
    align-items: center;
    gap: 32px;
    list-style: none;
}

.nav-link {
    color: var(--white);
    text-decoration: none;
    font-size: 0.9rem;
    font-weight: 500;
    transition: color var(--transition-fast);
    position: relative;
}

.nav-link:not(.cta-btn)::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--primary);
    transition: width var(--transition-base);
}

.nav-link:not(.cta-btn):hover::after {
    width: 100%;
}

.nav-link.cta-btn {
    background: var(--gradient-primary);
    color: var(--white) !important;
    padding: 10px 24px;
    border-radius: 8px;
    font-weight: 600;
    transition: transform var(--transition-fast), box-shadow var(--transition-fast);
}

.nav-link.cta-btn:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-glow);
}

/* Hamburger */
.hamburger {
    display: none;
    flex-direction: column;
    gap: 5px;
    cursor: pointer;
    padding: 5px;
    background: transparent;
    border: none;
    outline: none;
}

.hamburger:focus-visible {
    outline: 2px solid var(--primary);
    outline-offset: 4px;
    border-radius: 4px;
}

.hamburger span {
    display: block;
    width: 24px;
    height: 2px;
    background: var(--white);
    transition: all var(--transition-base);
}

.navbar.scrolled .hamburger span {
    background: var(--gray-800);
}

/* ===================================
   Hero Section
   =================================== */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    overflow: hidden;
    padding: 120px 24px 80px;
}

.hero-bg {
    position: absolute;
    inset: 0;
    background: var(--gradient-hero);
}

.hero-gradient {
    position: absolute;
    inset: 0;
    background:
        radial-gradient(ellipse 80% 50% at 50% -20%, rgba(0, 102, 255, 0.3), transparent),
        radial-gradient(ellipse 60% 40% at 80% 60%, rgba(0, 212, 170, 0.15), transparent);
}

.hero-pattern {
    position: absolute;
    inset: 0;
    background-image:
        linear-gradient(rgba(255, 255, 255, 0.02) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255, 255, 255, 0.02) 1px, transparent 1px);
    background-size: 60px 60px;
}

.hero-content {
    position: relative;
    z-index: 2;
    text-align: center;
    max-width: 900px;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: rgba(0, 212, 170, 0.15);
    border: 1px solid rgba(0, 212, 170, 0.3);
    color: var(--accent);
    padding: 8px 20px;
    border-radius: 100px;
    font-size: 0.85rem;
    font-weight: 500;
    margin-bottom: 32px;
}

.badge-dot {
    width: 8px;
    height: 8px;
    background: var(--accent);
    border-radius: 50%;
    animation: pulse 2s ease-in-out infinite;
}

@keyframes pulse {
    0%, 100% { opacity: 1; transform: scale(1); }
    50% { opacity: 0.5; transform: scale(1.2); }
}

.hero-title {
    font-family: var(--font-display);
    font-size: clamp(3.5rem, 10vw, 7rem);
    color: var(--white);
    margin-bottom: 16px;
    letter-spacing: -0.02em;
}

.title-line {
    display: block;
}

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

.hero-subtitle {
    font-size: clamp(1.1rem, 2.5vw, 1.5rem);
    color: var(--gray-400);
    font-weight: 500;
    margin-bottom: 24px;
    letter-spacing: 0.05em;
    text-transform: uppercase;
}

.hero-description {
    font-size: 1.125rem;
    color: var(--gray-400);
    max-width: 700px;
    margin: 0 auto 40px;
    line-height: 1.8;
}

.hero-description strong {
    color: var(--white);
}

.hero-description .highlight {
    color: var(--primary-light);
    font-weight: 600;
}

.hero-cta {
    display: flex;
    gap: 16px;
    justify-content: center;
    flex-wrap: wrap;
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 14px 28px;
    border-radius: 10px;
    font-size: 1rem;
    font-weight: 600;
    text-decoration: none;
    transition: all var(--transition-base);
    cursor: pointer;
    border: none;
}

.btn-primary {
    background: var(--gradient-primary);
    color: var(--white);
    box-shadow: 0 4px 20px rgba(0, 102, 255, 0.3);
}

.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 30px rgba(0, 102, 255, 0.4);
}

.btn-secondary {
    background: rgba(255, 255, 255, 0.1);
    color: var(--white);
    border: 1px solid rgba(255, 255, 255, 0.2);
}

.btn-secondary:hover {
    background: rgba(255, 255, 255, 0.15);
    border-color: rgba(255, 255, 255, 0.3);
}

.btn-large {
    padding: 18px 36px;
    font-size: 1.1rem;
}

/* Hero Scroll Indicator */
.hero-scroll {
    position: absolute;
    bottom: 40px;
    left: 50%;
    transform: translateX(-50%);
    z-index: 2;
}

.scroll-indicator {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
    color: var(--gray-500);
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.1em;
}

.scroll-line {
    width: 1px;
    height: 60px;
    background: linear-gradient(to bottom, var(--gray-500), transparent);
    animation: scrollLine 2s ease-in-out infinite;
}

@keyframes scrollLine {
    0%, 100% { transform: scaleY(1); opacity: 1; }
    50% { transform: scaleY(0.5); opacity: 0.5; }
}

/* ===================================
   Animations
   =================================== */
.animate-fade-in {
    opacity: 0;
    animation: fadeIn 0.8s ease forwards;
}

.animate-fade-in-up {
    opacity: 0;
    transform: translateY(30px);
    animation: fadeInUp 0.8s ease forwards;
}

.delay-1 { animation-delay: 0.2s; }
.delay-2 { animation-delay: 0.4s; }
.delay-3 { animation-delay: 0.6s; }

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

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

.animate-on-scroll {
    opacity: 0;
    transform: translateY(40px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

.animate-on-scroll.visible {
    opacity: 1;
    transform: translateY(0);
}

/* ===================================
   Stats Section
   =================================== */
.stats {
    background: var(--gray-100);
    padding: 80px 0;
    margin-top: -1px;
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 32px;
}

.stat-card {
    background: var(--white);
    padding: 32px;
    border-radius: 16px;
    text-align: center;
    box-shadow: var(--shadow-sm);
    transition: transform var(--transition-base), box-shadow var(--transition-base);
}

.stat-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-md);
}

.stat-icon {
    width: 56px;
    height: 56px;
    margin: 0 auto 20px;
    background: var(--gray-100);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.stat-icon svg {
    width: 28px;
    height: 28px;
    stroke: var(--primary);
}

.stat-number {
    font-size: 3rem;
    font-weight: 800;
    color: var(--dark);
    line-height: 1;
    margin-bottom: 8px;
}

.stat-plus {
    font-size: 2rem;
    color: var(--accent);
}

.stat-label {
    font-size: 1rem;
    font-weight: 600;
    color: var(--gray-700);
    margin-bottom: 4px;
}

.stat-sublabel {
    font-size: 0.85rem;
    color: var(--gray-500);
}

/* ===================================
   Section Styles
   =================================== */
section {
    padding: var(--section-padding) 0;
}

.section-header {
    text-align: center;
    max-width: 700px;
    margin: 0 auto 64px;
}

.section-tag {
    display: inline-block;
    background: var(--gray-100);
    color: var(--primary);
    padding: 6px 16px;
    border-radius: 100px;
    font-size: 0.85rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: 16px;
}

.section-tag.light {
    background: rgba(255, 255, 255, 0.15);
    color: var(--white);
}

.section-title {
    font-size: clamp(2rem, 4vw, 3rem);
    color: var(--dark);
    margin-bottom: 16px;
}

.section-description {
    font-size: 1.125rem;
    color: var(--gray-600);
    line-height: 1.7;
}

/* ===================================
   Expertise Section
   =================================== */
.expertise {
    background: var(--white);
}

.expertise-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 32px;
}

.expertise-card {
    background: var(--gray-100);
    padding: 40px;
    border-radius: 20px;
    transition: all var(--transition-base);
    position: relative;
    overflow: hidden;
}

.expertise-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 4px;
    height: 0;
    background: var(--gradient-primary);
    transition: height var(--transition-base);
}

.expertise-card:hover {
    background: var(--white);
    box-shadow: var(--shadow-lg);
    transform: translateY(-8px);
}

.expertise-card:hover::before {
    height: 100%;
}

.card-icon {
    width: 64px;
    height: 64px;
    background: var(--white);
    border-radius: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 24px;
    box-shadow: var(--shadow-sm);
}

.expertise-card:hover .card-icon {
    background: var(--gradient-primary);
}

.card-icon svg {
    width: 32px;
    height: 32px;
    stroke: var(--primary);
    transition: stroke var(--transition-base);
}

.expertise-card:hover .card-icon svg {
    stroke: var(--white);
}

.expertise-card h3 {
    font-size: 1.5rem;
    color: var(--dark);
    margin-bottom: 12px;
}

.expertise-card p {
    color: var(--gray-600);
    margin-bottom: 20px;
    line-height: 1.7;
}

.card-list {
    list-style: none;
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

.card-list li {
    background: var(--white);
    color: var(--gray-700);
    padding: 6px 14px;
    border-radius: 100px;
    font-size: 0.85rem;
    font-weight: 500;
}

.expertise-card:hover .card-list li {
    background: var(--gray-100);
}

/* ===================================
   Experience Timeline
   =================================== */
.experience {
    background: var(--gray-100);
}

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

.timeline::before {
    content: '';
    position: absolute;
    left: 24px;
    top: 0;
    bottom: 0;
    width: 2px;
    background: linear-gradient(to bottom, var(--primary), var(--accent));
    opacity: 0.3;
}

.timeline-item {
    position: relative;
    padding-left: 80px;
    padding-bottom: 48px;
}

.timeline-item:last-child {
    padding-bottom: 0;
}

.timeline-marker {
    position: absolute;
    left: 12px;
    top: 8px;
    width: 24px;
    height: 24px;
    background: var(--white);
    border: 3px solid var(--gray-400);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 1;
}

.timeline-marker.current {
    border-color: var(--accent);
    background: var(--accent);
}

.timeline-marker.current .marker-dot {
    width: 8px;
    height: 8px;
    background: var(--white);
    border-radius: 50%;
}

.timeline-marker.highlight {
    border-color: var(--primary);
}

.timeline-marker.highlight .marker-dot {
    width: 10px;
    height: 10px;
    background: var(--primary);
    border-radius: 50%;
}

.timeline-content {
    background: var(--white);
    padding: 32px;
    border-radius: 16px;
    box-shadow: var(--shadow-sm);
    transition: all var(--transition-base);
}

.timeline-content:hover {
    box-shadow: var(--shadow-md);
    transform: translateX(8px);
}

.timeline-content.featured {
    border: 2px solid var(--primary);
    border-left-width: 4px;
}

.timeline-header {
    display: flex;
    align-items: center;
    gap: 16px;
    margin-bottom: 12px;
}

.timeline-date {
    background: var(--gray-100);
    color: var(--gray-700);
    padding: 4px 12px;
    border-radius: 6px;
    font-size: 0.85rem;
    font-weight: 600;
}

.timeline-location {
    display: flex;
    align-items: center;
    gap: 4px;
    color: var(--gray-500);
    font-size: 0.85rem;
}

.timeline-title {
    font-size: 1.25rem;
    color: var(--dark);
    margin-bottom: 4px;
}

.timeline-company {
    color: var(--primary);
    font-weight: 600;
    font-size: 1rem;
    margin-bottom: 12px;
}

.timeline-highlight {
    display: flex;
    gap: 12px;
    margin-bottom: 12px;
}

.highlight-badge {
    background: var(--gradient-primary);
    color: var(--white);
    padding: 6px 14px;
    border-radius: 6px;
    font-size: 0.85rem;
    font-weight: 600;
}

.timeline-description {
    color: var(--gray-600);
    margin-bottom: 16px;
    line-height: 1.7;
}

.timeline-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

.timeline-tags span {
    background: var(--gray-100);
    color: var(--gray-700);
    padding: 4px 12px;
    border-radius: 100px;
    font-size: 0.8rem;
    font-weight: 500;
}

/* ===================================
   Competences Section
   =================================== */
.competences {
    background: var(--white);
}

.competences-wrapper {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 40px;
    margin-bottom: 64px;
}

.competences-category {
    background: var(--gray-100);
    padding: 32px;
    border-radius: 20px;
}

.category-title {
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 1.1rem;
    color: var(--dark);
    margin-bottom: 28px;
}

.category-title svg {
    width: 24px;
    height: 24px;
    stroke: var(--primary);
}

.skills-grid {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.skill-item {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.skill-name {
    font-size: 0.9rem;
    font-weight: 500;
    color: var(--gray-700);
}

.skill-bar {
    height: 8px;
    background: var(--gray-300);
    border-radius: 100px;
    overflow: hidden;
}

.skill-progress {
    height: 100%;
    background: var(--gradient-primary);
    border-radius: 100px;
    width: 0;
    transition: width 1s ease;
}

/* Languages & Certifications */
.languages-certifications {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 32px;
}

.lang-cert-card {
    background: var(--gray-100);
    padding: 32px;
    border-radius: 16px;
}

.lang-cert-card h4 {
    font-size: 1rem;
    color: var(--gray-700);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: 20px;
}

.lang-items {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.lang-item {
    display: flex;
    align-items: center;
    gap: 12px;
}

.lang-flag {
    font-size: 1.5rem;
}

.lang-name {
    flex: 1;
    font-weight: 500;
    color: var(--gray-800);
}

.lang-level {
    background: var(--primary);
    color: var(--white);
    padding: 4px 10px;
    border-radius: 4px;
    font-size: 0.75rem;
    font-weight: 600;
}

.cert-items {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.cert-item {
    display: flex;
    align-items: center;
    gap: 12px;
}

.cert-badge {
    background: var(--gradient-primary);
    color: var(--white);
    padding: 8px 12px;
    border-radius: 8px;
    font-size: 0.75rem;
    font-weight: 700;
}

.cert-item span {
    font-size: 0.9rem;
    color: var(--gray-700);
}

.edu-items {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.edu-item {
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.edu-degree {
    font-weight: 600;
    color: var(--gray-800);
}

.edu-school {
    font-size: 0.9rem;
    color: var(--gray-600);
}

/* ===================================
   Testimonials Section
   =================================== */
.testimonials {
    background: var(--gray-100);
}

.testimonials-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 32px;
}

.testimonial-card {
    background: var(--white);
    padding: 40px;
    border-radius: 20px;
    box-shadow: var(--shadow-sm);
    transition: all var(--transition-base);
    display: flex;
    flex-direction: column;
}

.testimonial-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-lg);
}

.testimonial-content {
    flex: 1;
    margin-bottom: 24px;
}

.quote-icon {
    width: 40px;
    height: 40px;
    fill: var(--primary);
    opacity: 0.2;
    margin-bottom: 16px;
}

.testimonial-content p {
    color: var(--gray-700);
    font-size: 1rem;
    line-height: 1.8;
    font-style: italic;
}

.testimonial-content strong {
    color: var(--dark);
    font-style: normal;
}

.testimonial-author {
    display: flex;
    align-items: center;
    gap: 16px;
    padding-top: 24px;
    border-top: 1px solid var(--gray-200);
}

.author-name {
    font-weight: 700;
    color: var(--dark);
    font-size: 1rem;
}

.author-title {
    font-size: 0.85rem;
    color: var(--gray-600);
}

.author-company {
    font-size: 0.85rem;
    color: var(--primary);
    font-weight: 600;
}

/* ===================================
   CTA Section
   =================================== */
.cta-section {
    background: var(--gradient-hero);
    position: relative;
    overflow: hidden;
}

.cta-section::before {
    content: '';
    position: absolute;
    inset: 0;
    background:
        radial-gradient(ellipse 60% 40% at 20% 80%, rgba(0, 102, 255, 0.3), transparent),
        radial-gradient(ellipse 50% 30% at 80% 20%, rgba(0, 212, 170, 0.2), transparent);
}

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

.cta-title {
    font-size: clamp(2rem, 4vw, 3rem);
    color: var(--white);
    margin-bottom: 20px;
}

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

.cta-description {
    font-size: 1.125rem;
    color: var(--gray-400);
    margin-bottom: 40px;
    line-height: 1.8;
}

.cta-buttons {
    display: flex;
    gap: 16px;
    justify-content: center;
    flex-wrap: wrap;
    margin-bottom: 32px;
}

.cta-buttons .btn-primary {
    background: var(--white);
    color: var(--primary);
    box-shadow: var(--shadow-md);
}

.cta-buttons .btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-lg);
}

.cta-buttons .btn-secondary {
    background: rgba(255, 255, 255, 0.1);
    color: var(--white);
    border: 1px solid rgba(255, 255, 255, 0.3);
}

.cta-location {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    color: var(--gray-500);
    font-size: 0.9rem;
}

/* ===================================
   Footer
   =================================== */
.footer {
    background: var(--dark);
    padding: 40px 0;
}

.footer-content {
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 20px;
}

.footer-logo .logo-img {
    height: 32px;
    opacity: 0.8;
}

.footer-text {
    color: var(--gray-500);
    font-size: 0.9rem;
}

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

.social-link {
    width: 40px;
    height: 40px;
    background: var(--gray-800);
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all var(--transition-base);
}

.social-link svg {
    width: 20px;
    height: 20px;
    fill: var(--gray-500);
    transition: fill var(--transition-base);
}

.social-link:hover {
    background: var(--primary);
}

.social-link:hover svg {
    fill: var(--white);
}

/* ===================================
   Responsive Design
   =================================== */
@media (max-width: 1024px) {
    :root {
        --section-padding: 80px;
    }

    .stats-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .expertise-grid {
        grid-template-columns: 1fr;
    }

    .competences-wrapper {
        grid-template-columns: 1fr;
    }

    .languages-certifications {
        grid-template-columns: 1fr;
    }

    .testimonials-grid {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 768px) {
    .nav-menu {
        position: fixed;
        top: 0;
        right: -100%;
        width: 100%;
        height: 100vh;
        background: var(--dark);
        flex-direction: column;
        justify-content: center;
        gap: 32px;
        transition: right var(--transition-base);
    }

    .nav-menu.active {
        right: 0;
    }

    .nav-menu .nav-link {
        color: var(--white);
        font-size: 1.5rem;
    }

    .hamburger {
        display: flex;
        z-index: 1001;
    }

    .hamburger.active span:nth-child(1) {
        transform: rotate(45deg) translate(5px, 5px);
    }

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

    .hamburger.active span:nth-child(3) {
        transform: rotate(-45deg) translate(5px, -5px);
    }

    .hero-cta {
        flex-direction: column;
        align-items: center;
    }

    .btn {
        width: 100%;
        max-width: 300px;
        justify-content: center;
    }

    .stats-grid {
        grid-template-columns: 1fr;
    }

    .timeline::before {
        left: 16px;
    }

    .timeline-item {
        padding-left: 56px;
    }

    .timeline-marker {
        left: 4px;
    }

    .timeline-header {
        flex-direction: column;
        align-items: flex-start;
        gap: 8px;
    }

    .timeline-highlight {
        flex-direction: column;
        gap: 8px;
    }

    .cta-buttons {
        flex-direction: column;
        align-items: center;
    }

    .footer-content {
        flex-direction: column;
        text-align: center;
    }
}

@media (max-width: 480px) {
    .hero {
        padding: 100px 16px 60px;
    }

    .hero-title {
        font-size: 3rem;
    }

    .stat-number {
        font-size: 2.5rem;
    }

    .expertise-card,
    .timeline-content,
    .testimonial-card,
    .competences-category,
    .lang-cert-card {
        padding: 24px;
    }
}