/* ===================================
   YASSINE ROGUI - PORTFOLIO STYLES
   Architecte CX & Cloud
   Version: 2.0 - Optimized
   =================================== */

/* ===== CSS Variables ===== */
:root {
    /* Colors */
    --primary-color: #0066cc;
    --primary-dark: #004d99;
    --primary-light: #3399ff;
    --secondary-color: #1a1a2e;
    --accent-color: #00b4d8;
    --success-color: #10b981;
    --warning-color: #f59e0b;

    /* Neutrals */
    --white: #ffffff;
    --gray-50: #f9fafb;
    --gray-100: #f3f4f6;
    --gray-200: #e5e7eb;
    --gray-300: #d1d5db;
    --gray-400: #9ca3af;
    --gray-500: #6b7280;
    --gray-600: #4b5563;
    --gray-700: #374151;
    --gray-800: #1f2937;
    --gray-900: #111827;

    /* Typography */
    --font-primary: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    --font-heading: 'Playfair Display', Georgia, serif;

    /* Spacing */
    --space-xs: 0.25rem;
    --space-sm: 0.5rem;
    --space-md: 1rem;
    --space-lg: 1.5rem;
    --space-xl: 2rem;
    --space-2xl: 3rem;
    --space-3xl: 4rem;
    --space-4xl: 6rem;

    /* Container */
    --container-max: 1200px;
    --container-padding: 1.5rem;

    /* Border Radius */
    --radius-sm: 0.375rem;
    --radius-md: 0.5rem;
    --radius-lg: 1rem;
    --radius-xl: 1.5rem;
    --radius-full: 9999px;

    /* Shadows */
    --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.05);
    --shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.1), 0 2px 4px -2px rgb(0 0 0 / 0.1);
    --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.1), 0 4px 6px -4px rgb(0 0 0 / 0.1);
    --shadow-xl: 0 20px 25px -5px rgb(0 0 0 / 0.1), 0 8px 10px -6px rgb(0 0 0 / 0.1);

    /* Transitions */
    --transition-fast: 150ms ease;
    --transition-normal: 300ms ease;
    --transition-slow: 500ms ease;

    /* Focus */
    --focus-ring: 0 0 0 3px rgba(0, 102, 204, 0.5);
}

/* ===== Reduced Motion ===== */
@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
        scroll-behavior: auto !important;
    }
}

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

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

body {
    font-family: var(--font-primary);
    font-size: 1rem;
    line-height: 1.6;
    color: var(--gray-700);
    background-color: var(--white);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

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

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

a:hover {
    color: var(--primary-dark);
}

a:focus-visible {
    outline: none;
    box-shadow: var(--focus-ring);
    border-radius: var(--radius-sm);
}

ul,
ol {
    list-style: none;
}

h1,
h2,
h3,
h4,
h5,
h6 {
    font-family: var(--font-heading);
    font-weight: 600;
    line-height: 1.2;
    color: var(--gray-900);
}

/* ===== Skip Link (Accessibility) ===== */
.skip-link {
    position: absolute;
    top: -100%;
    left: 50%;
    transform: translateX(-50%);
    background: var(--primary-color);
    color: var(--white);
    padding: var(--space-md) var(--space-xl);
    border-radius: var(--radius-md);
    z-index: 9999;
    font-weight: 600;
    transition: top var(--transition-fast);
}

.skip-link:focus {
    top: var(--space-md);
    outline: none;
    box-shadow: var(--focus-ring);
}

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

.section {
    padding: var(--space-4xl) 0;
}

/* ===== Navigation ===== */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--gray-100);
    transition: box-shadow var(--transition-normal);
}

.navbar.scrolled {
    box-shadow: var(--shadow-md);
}

.nav-container {
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 var(--container-padding);
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 70px;
}

.nav-logo {
    display: flex;
    align-items: center;
}

.nav-logo:focus-visible {
    box-shadow: var(--focus-ring);
}

.logo-text {
    font-family: var(--font-heading);
    font-size: 1.75rem;
    font-weight: 700;
    color: var(--primary-color);
    letter-spacing: -0.02em;
}

.nav-menu {
    display: flex;
    align-items: center;
    gap: var(--space-lg);
}

.nav-link {
    font-size: 0.9375rem;
    font-weight: 500;
    color: var(--gray-600);
    padding: var(--space-sm) var(--space-md);
    border-radius: var(--radius-md);
    transition: all var(--transition-fast);
}

.nav-link:hover {
    color: var(--primary-color);
    background: var(--gray-50);
}

.nav-link:focus-visible {
    outline: none;
    box-shadow: var(--focus-ring);
}

.nav-link.nav-cta {
    background: var(--primary-color);
    color: var(--white);
    padding: var(--space-sm) var(--space-lg);
}

.nav-link.nav-cta:hover {
    background: var(--primary-dark);
    color: var(--white);
}

.nav-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: var(--space-sm);
    border-radius: var(--radius-md);
}

.nav-toggle:focus-visible {
    outline: none;
    box-shadow: var(--focus-ring);
}

.nav-toggle span {
    display: block;
    width: 24px;
    height: 2px;
    background: var(--gray-700);
    transition: all var(--transition-fast);
}

/* ===== Hero Section ===== */
.hero {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--secondary-color) 0%, #16213e 50%, #0f3460 100%);
    color: var(--white);
    position: relative;
    overflow: hidden;
    padding: var(--space-4xl) var(--container-padding);
}

.hero::before {
    content: '';
    position: absolute;
    inset: 0;
    background:
        radial-gradient(circle at 20% 80%, rgba(0, 102, 204, 0.15) 0%, transparent 50%),
        radial-gradient(circle at 80% 20%, rgba(0, 180, 216, 0.1) 0%, transparent 50%);
    pointer-events: none;
}

.hero-container {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-4xl);
    max-width: 1200px;
    width: 100%;
    position: relative;
    z-index: 1;
}

.hero-photo {
    position: relative;
    flex-shrink: 0;
}

.photo-wrapper {
    width: 320px;
    height: 400px;
    border-radius: var(--radius-xl);
    overflow: hidden;
    position: relative;
    box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.5);
    border: 4px solid rgba(255, 255, 255, 0.1);
}

.photo-wrapper img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center top;
}

.photo-decoration {
    position: absolute;
    top: -20px;
    left: -20px;
    right: 20px;
    bottom: 20px;
    border: 2px solid var(--accent-color);
    border-radius: var(--radius-xl);
    z-index: -1;
    opacity: 0.5;
}

.hero-content {
    position: relative;
    z-index: 1;
    max-width: 600px;
    text-align: left;
}

.hero-badge {
    display: inline-block;
    background: rgba(255, 255, 255, 0.1);
    border: 1px solid rgba(255, 255, 255, 0.2);
    padding: var(--space-sm) var(--space-lg);
    border-radius: var(--radius-full);
    font-size: 0.875rem;
    font-weight: 500;
    letter-spacing: 0.05em;
    text-transform: uppercase;
    margin-bottom: var(--space-lg);
    backdrop-filter: blur(10px);
}

.hero-title {
    font-family: var(--font-heading);
    font-size: clamp(1.75rem, 5vw, 2.75rem);
    font-weight: 700;
    color: var(--white);
    margin-bottom: var(--space-md);
    letter-spacing: -0.02em;
    line-height: 1.2;
}

.hero-subtitle {
    font-size: clamp(1rem, 3vw, 1.25rem);
    font-weight: 600;
    color: var(--accent-color);
    margin-bottom: var(--space-sm);
}

.hero-tagline {
    font-size: clamp(0.9rem, 2.5vw, 1.0625rem);
    color: rgba(255, 255, 255, 0.85);
    margin-bottom: var(--space-xl);
    line-height: 1.7;
}

.hero-stats {
    display: flex;
    justify-content: flex-start;
    gap: var(--space-xl);
    margin-bottom: var(--space-xl);
    flex-wrap: wrap;
}

.stat {
    text-align: left;
}

.stat-number {
    display: block;
    font-size: clamp(1.5rem, 4vw, 2rem);
    font-weight: 700;
    color: var(--white);
    line-height: 1;
    order: 1;
}

.stat-label {
    display: block;
    font-size: 0.75rem;
    color: rgba(255, 255, 255, 0.7);
    margin-bottom: var(--space-xs);
    order: 0;
}

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

.hero-scroll {
    position: absolute;
    bottom: var(--space-xl);
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--space-sm);
    color: rgba(255, 255, 255, 0.6);
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.1em;
}

.scroll-indicator {
    width: 2px;
    height: 40px;
    background: linear-gradient(to bottom, rgba(255, 255, 255, 0.6), transparent);
    animation: scrollPulse 2s ease-in-out infinite;
}

@keyframes scrollPulse {
    0%, 100% { opacity: 1; transform: scaleY(1); }
    50% { opacity: 0.5; transform: scaleY(0.8); }
}

/* ===== Buttons ===== */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-sm);
    padding: var(--space-md) var(--space-xl);
    font-family: var(--font-primary);
    font-size: 1rem;
    font-weight: 600;
    border-radius: var(--radius-md);
    border: none;
    cursor: pointer;
    transition: all var(--transition-fast);
    text-decoration: none;
}

.btn:focus-visible {
    outline: none;
    box-shadow: var(--focus-ring);
}

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

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

.btn-secondary {
    background: transparent;
    color: var(--white);
    border: 2px solid rgba(255, 255, 255, 0.3);
}

.btn-secondary:hover {
    background: rgba(255, 255, 255, 0.1);
    border-color: rgba(255, 255, 255, 0.5);
    color: var(--white);
}

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

.btn-outline:hover {
    background: var(--primary-color);
    color: var(--white);
}

.btn-large {
    padding: var(--space-lg) var(--space-2xl);
    font-size: 1.0625rem;
}

.btn-icon {
    width: 18px;
    height: 18px;
}

/* ===== Section Headers ===== */
.section-header {
    text-align: center;
    margin-bottom: var(--space-3xl);
}

.section-tag {
    display: inline-block;
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.15em;
    color: var(--primary-color);
    background: rgba(0, 102, 204, 0.1);
    padding: var(--space-xs) var(--space-md);
    border-radius: var(--radius-full);
    margin-bottom: var(--space-md);
}

.section-title {
    font-size: clamp(1.75rem, 5vw, 2.5rem);
    color: var(--gray-900);
    margin-bottom: var(--space-md);
}

.section-subtitle {
    font-size: 1.0625rem;
    color: var(--gray-500);
    max-width: 600px;
    margin: 0 auto;
}

/* ===== Value Proposition Section ===== */
.section-value {
    background: var(--white);
}

.value-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--space-xl);
}

.value-card {
    background: var(--gray-50);
    padding: var(--space-2xl);
    border-radius: var(--radius-xl);
    text-align: center;
    transition: transform var(--transition-normal), box-shadow var(--transition-normal);
}

.value-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
}

.value-icon {
    width: 64px;
    height: 64px;
    background: linear-gradient(135deg, var(--primary-color), var(--accent-color));
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto var(--space-lg);
}

.value-icon svg {
    width: 32px;
    height: 32px;
    color: var(--white);
}

.value-card h3 {
    font-size: 1.25rem;
    margin-bottom: var(--space-md);
    color: var(--gray-900);
}

.value-card p {
    color: var(--gray-600);
    line-height: 1.7;
}

/* ===== Profil Section ===== */
.section-profil {
    background: var(--gray-50);
}

.profil-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-3xl);
    align-items: start;
}

.profil-text {
    font-size: 1.0625rem;
    line-height: 1.8;
}

.profil-text p {
    margin-bottom: var(--space-lg);
}

.profil-intro {
    font-size: 1.125rem;
    color: var(--gray-800);
}

.profil-text strong {
    color: var(--primary-color);
    font-weight: 600;
}

.profil-kpis h3 {
    font-size: 1.125rem;
    margin-bottom: var(--space-lg);
    color: var(--gray-800);
    font-family: var(--font-primary);
}

.kpi-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-md);
}

.kpi-card {
    background: var(--white);
    padding: var(--space-lg);
    border-radius: var(--radius-lg);
    text-align: center;
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--gray-100);
    transition: transform var(--transition-fast), box-shadow var(--transition-fast);
}

.kpi-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-md);
}

.kpi-value {
    display: block;
    font-size: 1.75rem;
    font-weight: 700;
    color: var(--primary-color);
    line-height: 1;
    order: 1;
}

.kpi-label {
    display: block;
    font-size: 0.8125rem;
    color: var(--gray-500);
    margin-bottom: var(--space-xs);
    order: 0;
}

.profil-location {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-sm);
    margin-top: var(--space-2xl);
    padding-top: var(--space-2xl);
    border-top: 1px solid var(--gray-200);
    color: var(--gray-600);
    font-size: 0.9375rem;
}

.profil-location .icon {
    width: 20px;
    height: 20px;
    color: var(--primary-color);
    flex-shrink: 0;
}

.profil-cta {
    text-align: center;
    margin-top: var(--space-2xl);
}

/* ===== Services Section ===== */
.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(340px, 1fr));
    gap: var(--space-xl);
}

.service-card {
    background: var(--white);
    padding: var(--space-2xl);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--gray-100);
    transition: transform var(--transition-normal), box-shadow var(--transition-normal), border-color var(--transition-normal);
}

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

.service-card:focus-within {
    box-shadow: var(--focus-ring);
}

.service-icon {
    width: 56px;
    height: 56px;
    background: linear-gradient(135deg, var(--primary-color), var(--accent-color));
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: var(--space-lg);
}

.service-icon svg {
    width: 28px;
    height: 28px;
    color: var(--white);
}

.service-card h3 {
    font-size: 1.25rem;
    margin-bottom: var(--space-md);
    color: var(--gray-900);
    font-family: var(--font-primary);
    font-weight: 600;
}

.service-card p {
    color: var(--gray-600);
    line-height: 1.7;
    margin-bottom: var(--space-md);
}

.service-benefits {
    list-style: none;
    padding: 0;
    margin: 0;
}

.service-benefits li {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    font-size: 0.875rem;
    color: var(--success-color);
    font-weight: 500;
    margin-bottom: var(--space-xs);
}

.service-benefits li::before {
    content: '✓';
    font-weight: bold;
}

.service-card-featured {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-dark) 100%);
    color: var(--white);
    grid-column: span 2;
}

.service-card-featured h3 {
    color: var(--white);
}

.service-card-featured p {
    color: rgba(255, 255, 255, 0.9);
}

.service-card-featured .service-icon {
    background: rgba(255, 255, 255, 0.2);
}

.service-card-featured .service-benefits li {
    color: rgba(255, 255, 255, 0.95);
}

.service-card-featured:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-xl);
    border-color: transparent;
}

.services-cta {
    text-align: center;
    margin-top: var(--space-3xl);
}

/* ===== Clients Section ===== */
.section-clients {
    background: var(--gray-50);
    overflow: hidden;
}

.clients-slider {
    overflow: hidden;
    position: relative;
    padding: var(--space-lg) 0;
}

.slider-track {
    display: flex;
    gap: var(--space-xl);
    animation: scroll-slider 30s linear infinite;
    width: max-content;
}

@keyframes scroll-slider {
    0% {
        transform: translateX(0);
    }
    100% {
        transform: translateX(-50%);
    }
}

.clients-slider:hover .slider-track {
    animation-play-state: paused;
}

@media (prefers-reduced-motion: reduce) {
    .slider-track {
        animation: none;
        flex-wrap: wrap;
        justify-content: center;
        width: 100%;
    }
}

.client-item {
    flex-shrink: 0;
    width: 160px;
    height: 80px;
    background: var(--white);
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    padding: var(--space-md);
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--gray-100);
    transition: transform var(--transition-normal), box-shadow var(--transition-normal);
}

.client-item:hover {
    transform: scale(1.05);
    box-shadow: var(--shadow-lg);
}

.client-item img {
    max-width: 100%;
    max-height: 100%;
    object-fit: contain;
    filter: grayscale(100%);
    opacity: 0.6;
    transition: filter var(--transition-normal), opacity var(--transition-normal);
}

.client-item:hover img {
    filter: grayscale(0%);
    opacity: 1;
}

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

.testimonials-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--space-xl);
}

.testimonial-card {
    background: var(--gray-50);
    padding: var(--space-xl);
    border-radius: var(--radius-lg);
    border-left: 4px solid var(--primary-color);
    display: flex;
    flex-direction: column;
    transition: transform var(--transition-normal), box-shadow var(--transition-normal);
}

.testimonial-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
}

.testimonial-card blockquote {
    margin: 0;
    flex: 1;
}

.testimonial-card blockquote p {
    font-size: 0.9375rem;
    line-height: 1.7;
    color: var(--gray-700);
    font-style: italic;
    margin: 0;
}

.testimonial-card blockquote p::before {
    content: '"';
    font-size: 2rem;
    color: var(--primary-color);
    line-height: 0;
    vertical-align: -0.4em;
    margin-right: 0.1em;
}

.testimonial-author {
    margin-top: var(--space-lg);
    padding-top: var(--space-md);
    border-top: 1px solid var(--gray-200);
}

.author-info {
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
}

.author-info strong {
    font-size: 0.9375rem;
    color: var(--gray-900);
}

.author-info span {
    font-size: 0.8125rem;
    color: var(--gray-500);
}

.testimonials-cta {
    text-align: center;
    margin-top: var(--space-2xl);
}

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

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

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

.timeline-item {
    position: relative;
    padding-left: var(--space-3xl);
    padding-bottom: var(--space-2xl);
}

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

.timeline-marker {
    position: absolute;
    left: -6px;
    top: 0;
    width: 14px;
    height: 14px;
    background: var(--primary-color);
    border-radius: 50%;
    border: 3px solid var(--white);
    box-shadow: var(--shadow-sm);
}

.timeline-current .timeline-marker {
    background: var(--accent-color);
    box-shadow: 0 0 0 4px rgba(0, 180, 216, 0.2);
}

.timeline-content {
    background: var(--gray-50);
    padding: var(--space-xl);
    border-radius: var(--radius-lg);
    border: 1px solid var(--gray-100);
}

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

.timeline-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    gap: var(--space-md);
    margin-bottom: var(--space-sm);
    flex-wrap: wrap;
}

.timeline-title-group h3 {
    font-size: 1.125rem;
    color: var(--gray-900);
    margin-bottom: var(--space-xs);
    font-family: var(--font-primary);
    font-weight: 600;
}

.timeline-company {
    display: inline-block;
    font-size: 0.8125rem;
    font-weight: 600;
    color: var(--primary-color);
    background: rgba(0, 102, 204, 0.1);
    padding: var(--space-xs) var(--space-sm);
    border-radius: var(--radius-sm);
}

.timeline-date {
    font-size: 0.8125rem;
    color: var(--gray-500);
    font-weight: 500;
    white-space: nowrap;
}

.timeline-location {
    font-size: 0.8125rem;
    color: var(--gray-500);
    margin-bottom: var(--space-md);
}

.timeline-list {
    list-style: none;
}

.timeline-list li {
    position: relative;
    padding-left: var(--space-lg);
    margin-bottom: var(--space-sm);
    color: var(--gray-600);
    line-height: 1.6;
    font-size: 0.9375rem;
}

.timeline-list li::before {
    content: '';
    position: absolute;
    left: 0;
    top: 10px;
    width: 6px;
    height: 6px;
    background: var(--accent-color);
    border-radius: 50%;
}

.timeline-summary {
    margin-top: var(--space-2xl);
    padding: var(--space-xl);
    background: var(--gray-50);
    border-radius: var(--radius-lg);
    text-align: center;
}

.timeline-summary p {
    color: var(--gray-600);
    margin-bottom: var(--space-lg);
}

/* ===== Formation Section ===== */
.section-formation {
    background: var(--gray-50);
}

.formation-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-3xl);
}

.formation-subtitle {
    font-size: 1.25rem;
    color: var(--gray-800);
    margin-bottom: var(--space-xl);
    padding-bottom: var(--space-md);
    border-bottom: 2px solid var(--primary-color);
    font-family: var(--font-primary);
    font-weight: 600;
}

.formation-list {
    display: flex;
    flex-direction: column;
    gap: var(--space-lg);
}

.formation-item {
    display: flex;
    gap: var(--space-lg);
}

.formation-year {
    font-size: 1rem;
    font-weight: 700;
    color: var(--primary-color);
    min-width: 60px;
}

.formation-details {
    display: flex;
    flex-direction: column;
    gap: var(--space-xs);
}

.formation-details strong {
    font-size: 1rem;
    color: var(--gray-900);
}

.formation-details span {
    color: var(--gray-600);
    font-size: 0.9375rem;
}

.formation-details em {
    font-size: 0.8125rem;
    color: var(--gray-500);
    font-style: italic;
}

.certifications-grid {
    display: flex;
    flex-direction: column;
    gap: var(--space-md);
    list-style: none;
}

.certification-card {
    background: var(--white);
    padding: var(--space-lg);
    border-radius: var(--radius-md);
    border-left: 4px solid var(--primary-color);
    display: flex;
    flex-direction: column;
    gap: var(--space-xs);
    transition: box-shadow var(--transition-fast);
}

.certification-card:hover {
    box-shadow: var(--shadow-md);
}

.cert-badge {
    display: inline-block;
    font-size: 0.6875rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--gray-500);
    background: var(--gray-100);
    padding: 2px 8px;
    border-radius: var(--radius-sm);
    width: fit-content;
}

.cert-badge-active {
    color: var(--success-color);
    background: rgba(16, 185, 129, 0.1);
}

.certification-card strong {
    font-size: 0.9375rem;
    color: var(--gray-900);
}

.certification-card span:last-child {
    color: var(--gray-500);
    font-size: 0.8125rem;
}

.certifications-cta {
    margin-top: var(--space-xl);
    text-align: center;
}

.certifications-cta .btn {
    font-size: 0.875rem;
}

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

.competences-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--space-2xl);
}

.competence-category h3 {
    font-size: 1.125rem;
    color: var(--gray-800);
    margin-bottom: var(--space-lg);
    padding-bottom: var(--space-sm);
    border-bottom: 2px solid var(--primary-color);
    font-family: var(--font-primary);
    font-weight: 600;
}

.skills-tags {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-sm);
    list-style: none;
}

.skill-tag {
    display: inline-block;
    font-size: 0.8125rem;
    font-weight: 500;
    color: var(--gray-700);
    background: var(--gray-50);
    padding: var(--space-sm) var(--space-md);
    border-radius: var(--radius-full);
    border: 1px solid var(--gray-200);
    transition: all var(--transition-fast);
}

.skill-tag:hover {
    background: var(--primary-color);
    color: var(--white);
    border-color: var(--primary-color);
    transform: translateY(-2px);
}

.languages-list {
    display: flex;
    flex-direction: column;
    gap: var(--space-lg);
}

.language-item {
    display: grid;
    grid-template-columns: 100px 1fr;
    gap: var(--space-md);
    align-items: center;
}

.language-name {
    font-weight: 600;
    color: var(--gray-800);
}

.language-item dd {
    display: flex;
    flex-direction: column;
    gap: var(--space-xs);
}

.language-level {
    font-size: 0.8125rem;
    color: var(--gray-500);
}

.language-bar {
    height: 8px;
    background: var(--gray-200);
    border-radius: var(--radius-full);
    overflow: hidden;
}

.language-progress {
    height: 100%;
    background: linear-gradient(90deg, var(--primary-color), var(--accent-color));
    border-radius: var(--radius-full);
    transition: width var(--transition-slow);
}

/* ===== Contact Section ===== */
.section-contact {
    background: linear-gradient(135deg, var(--secondary-color) 0%, #16213e 100%);
    color: var(--white);
}

.section-contact .section-tag {
    color: var(--accent-color);
    background: rgba(0, 180, 216, 0.2);
}

.section-contact .section-title {
    color: var(--white);
}

.section-contact .section-subtitle {
    color: rgba(255, 255, 255, 0.7);
}

.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-3xl);
    align-items: start;
}

.contact-info {
    display: flex;
    flex-direction: column;
    gap: var(--space-xl);
    font-style: normal;
}

.contact-item {
    display: flex;
    align-items: flex-start;
    gap: var(--space-lg);
}

.contact-icon {
    width: 48px;
    height: 48px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.contact-icon svg {
    width: 24px;
    height: 24px;
    color: var(--accent-color);
}

.contact-details {
    display: flex;
    flex-direction: column;
    gap: var(--space-xs);
}

.contact-details strong {
    font-size: 0.8125rem;
    font-weight: 600;
    color: rgba(255, 255, 255, 0.6);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.contact-details a,
.contact-details span {
    color: var(--white);
    font-size: 1rem;
    transition: color var(--transition-fast);
}

.contact-details a:hover {
    color: var(--accent-color);
}

.contact-details a:focus-visible {
    box-shadow: var(--focus-ring);
}

.cta-card {
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
    padding: var(--space-2xl);
    border-radius: var(--radius-xl);
    backdrop-filter: blur(10px);
}

.cta-card h3 {
    font-size: 1.375rem;
    color: var(--white);
    margin-bottom: var(--space-md);
    font-family: var(--font-primary);
    font-weight: 600;
}

.cta-card p {
    color: rgba(255, 255, 255, 0.7);
    margin-bottom: var(--space-xl);
    line-height: 1.7;
}

.cta-buttons {
    display: flex;
    flex-direction: column;
    gap: var(--space-md);
}

.cta-buttons .btn-outline {
    color: var(--white);
    border-color: rgba(255, 255, 255, 0.3);
}

.cta-buttons .btn-outline:hover {
    background: rgba(255, 255, 255, 0.1);
    border-color: var(--white);
}

/* ===== Footer ===== */
.footer {
    background: var(--gray-900);
    color: var(--gray-400);
    padding: var(--space-3xl) 0 var(--space-xl);
}

.footer-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-bottom: var(--space-xl);
    border-bottom: 1px solid var(--gray-800);
    flex-wrap: wrap;
    gap: var(--space-xl);
}

.footer-brand {
    display: flex;
    align-items: center;
    gap: var(--space-md);
}

.footer-logo {
    font-family: var(--font-heading);
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--primary-color);
}

.footer-brand p {
    font-size: 0.875rem;
    line-height: 1.5;
}

.footer-links {
    display: flex;
    gap: var(--space-xl);
}

.footer-links a {
    color: var(--gray-400);
    font-size: 0.9375rem;
    transition: color var(--transition-fast);
}

.footer-links a:hover {
    color: var(--white);
}

.footer-links a:focus-visible {
    box-shadow: var(--focus-ring);
}

.footer-social {
    display: flex;
    gap: var(--space-md);
}

.footer-social a {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    background: var(--gray-800);
    border-radius: var(--radius-md);
    color: var(--gray-400);
    transition: all var(--transition-fast);
}

.footer-social a:hover {
    background: var(--primary-color);
    color: var(--white);
}

.footer-social a:focus-visible {
    box-shadow: var(--focus-ring);
}

.footer-social svg {
    width: 20px;
    height: 20px;
}

.footer-bottom {
    padding-top: var(--space-xl);
    text-align: center;
    font-size: 0.875rem;
}

/* ===== Responsive Design ===== */
@media (max-width: 1024px) {
    .hero-container {
        flex-direction: column;
        gap: var(--space-2xl);
        text-align: center;
    }

    .hero-content {
        text-align: center;
    }

    .hero-stats {
        justify-content: center;
    }

    .stat {
        text-align: center;
    }

    .hero-cta {
        justify-content: center;
    }

    .photo-wrapper {
        width: 260px;
        height: 320px;
    }

    .profil-content {
        grid-template-columns: 1fr;
        gap: var(--space-2xl);
    }

    .formation-grid {
        grid-template-columns: 1fr;
        gap: var(--space-2xl);
    }

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

    .service-card-featured {
        grid-column: span 1;
    }
}

@media (max-width: 768px) {
    .nav-menu {
        position: fixed;
        top: 70px;
        left: 0;
        right: 0;
        background: var(--white);
        flex-direction: column;
        padding: var(--space-lg);
        gap: var(--space-sm);
        box-shadow: var(--shadow-lg);
        transform: translateY(-100%);
        opacity: 0;
        visibility: hidden;
        transition: all var(--transition-normal);
    }

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

    .nav-toggle {
        display: flex;
    }

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

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

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

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

    .timeline-header {
        flex-direction: column;
    }

    .client-item {
        width: 120px;
        height: 60px;
        padding: var(--space-sm);
    }

    .slider-track {
        gap: var(--space-lg);
    }

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

    .footer-links {
        flex-wrap: wrap;
        justify-content: center;
    }
}

@media (max-width: 480px) {
    :root {
        --container-padding: 1rem;
    }

    .section {
        padding: var(--space-3xl) 0;
    }

    .photo-wrapper {
        width: 200px;
        height: 250px;
    }

    .hero-cta {
        flex-direction: column;
        width: 100%;
    }

    .hero-cta .btn {
        width: 100%;
    }

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

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

    .language-item {
        grid-template-columns: 1fr;
        gap: var(--space-sm);
    }

    .cta-buttons {
        flex-direction: column;
    }

    .cta-buttons .btn {
        width: 100%;
    }
}

/* ===== Print Styles ===== */
@media print {
    .navbar,
    .hero-scroll,
    .hero-cta,
    .profil-cta,
    .services-cta,
    .btn,
    .footer-social,
    .skip-link {
        display: none !important;
    }

    .hero {
        min-height: auto;
        padding: var(--space-xl);
        background: var(--white) !important;
        color: var(--gray-900) !important;
    }

    .hero-title,
    .hero-subtitle,
    .hero-tagline {
        color: var(--gray-900) !important;
    }

    .section {
        padding: var(--space-xl) 0;
        page-break-inside: avoid;
    }

    .section-contact {
        background: var(--white) !important;
        color: var(--gray-900) !important;
    }

    .section-contact .section-title,
    .section-contact .section-subtitle {
        color: var(--gray-900) !important;
    }
}