/* ============================================
   Alain Deléglise — Portfolio
   Dark theme with cyan/teal accents
   ============================================ */

:root {
    --bg-primary: #0f172a;
    --bg-secondary: #1e293b;
    --bg-card: #1e293b;
    --bg-card-hover: #263548;
    --accent: #06b6d4;
    --accent-glow: rgba(6, 182, 212, 0.15);
    --accent-soft: rgba(6, 182, 212, 0.08);
    --text-primary: #f1f5f9;
    --text-secondary: #94a3b8;
    --text-muted: #64748b;
    --border: rgba(148, 163, 184, 0.1);
    --border-accent: rgba(6, 182, 212, 0.2);
    --radius: 12px;
    --radius-sm: 8px;
    --radius-lg: 20px;
    --shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.3), 0 2px 4px -2px rgba(0, 0, 0, 0.2);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.4), 0 4px 6px -4px rgba(0, 0, 0, 0.3);
    --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

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

html {
    scroll-behavior: smooth;
    scroll-padding-top: 80px;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    background: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.7;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    overflow-x: hidden;
}

.container {
    max-width: 1100px;
    margin: 0 auto;
    padding: 0 24px;
}

.accent { color: var(--accent); }

/* ---- NAV ---- */
.nav {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: rgba(15, 23, 42, 0.85);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--border);
    transition: var(--transition);
}

.nav.scrolled {
    background: rgba(15, 23, 42, 0.95);
    box-shadow: var(--shadow);
}

.nav-inner {
    max-width: 1100px;
    margin: 0 auto;
    padding: 0 24px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 64px;
}

.nav-logo {
    font-size: 1.5rem;
    font-weight: 800;
    text-decoration: none;
    color: var(--text-primary);
    letter-spacing: -0.02em;
}

.nav-links {
    display: flex;
    list-style: none;
    gap: 8px;
}

.nav-links a {
    text-decoration: none;
    color: var(--text-secondary);
    font-size: 0.875rem;
    font-weight: 500;
    padding: 8px 14px;
    border-radius: var(--radius-sm);
    transition: var(--transition);
}

.nav-links a:hover,
.nav-links a.active {
    color: var(--accent);
    background: var(--accent-soft);
}

.nav-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 8px;
}

.nav-toggle span {
    width: 22px;
    height: 2px;
    background: var(--text-primary);
    border-radius: 2px;
    transition: var(--transition);
}

.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); }

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

.hero-bg-grid {
    position: absolute;
    inset: 0;
    background-image:
        linear-gradient(rgba(6, 182, 212, 0.03) 1px, transparent 1px),
        linear-gradient(90deg, rgba(6, 182, 212, 0.03) 1px, transparent 1px);
    background-size: 60px 60px;
    mask-image: radial-gradient(ellipse 60% 60% at 50% 50%, black 20%, transparent 70%);
    -webkit-mask-image: radial-gradient(ellipse 60% 60% at 50% 50%, black 20%, transparent 70%);
}

.hero-content {
    display: flex;
    align-items: center;
    gap: 60px;
    max-width: 1100px;
    width: 100%;
    position: relative;
    z-index: 1;
}

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

.hero-photo {
    width: 180px;
    height: 180px;
    border-radius: 50%;
    overflow: hidden;
    background: var(--bg-secondary);
    border: 2px solid var(--border-accent);
    display: flex;
    align-items: center;
    justify-content: center;
}

.hero-photo svg {
    width: 100%;
    height: 100%;
}

.hero-photo-ring {
    position: absolute;
    inset: -8px;
    border-radius: 50%;
    border: 1px solid var(--border-accent);
    animation: ring-pulse 3s ease-in-out infinite;
}

@keyframes ring-pulse {
    0%, 100% { opacity: 0.3; transform: scale(1); }
    50% { opacity: 0.6; transform: scale(1.03); }
}

.hero-greeting {
    font-size: 0.95rem;
    color: var(--accent);
    font-weight: 500;
    letter-spacing: 0.05em;
    text-transform: uppercase;
    margin-bottom: 8px;
}

.hero-name {
    font-size: clamp(2.2rem, 5vw, 3.5rem);
    font-weight: 800;
    letter-spacing: -0.03em;
    line-height: 1.1;
    margin-bottom: 12px;
}

.hero-title {
    font-size: clamp(1rem, 2vw, 1.25rem);
    color: var(--text-secondary);
    font-weight: 400;
    margin-bottom: 24px;
}

.hero-meta {
    display: flex;
    flex-wrap: wrap;
    gap: 16px;
    margin-bottom: 32px;
}

.hero-meta-item {
    display: flex;
    align-items: center;
    gap: 6px;
    font-size: 0.85rem;
    color: var(--text-muted);
}

.hero-meta-item svg { color: var(--accent); flex-shrink: 0; }

.hero-cta {
    display: flex;
    gap: 12px;
    flex-wrap: wrap;
}

.btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 12px 28px;
    border-radius: var(--radius);
    font-size: 0.9rem;
    font-weight: 600;
    text-decoration: none;
    cursor: pointer;
    transition: var(--transition);
    border: none;
    font-family: inherit;
}

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

.btn-primary:hover {
    background: #22d3ee;
    box-shadow: 0 0 30px var(--accent-glow);
    transform: translateY(-1px);
}

.btn-outline {
    background: transparent;
    color: var(--text-primary);
    border: 1px solid var(--border);
}

.btn-outline:hover {
    border-color: var(--accent);
    color: var(--accent);
    background: var(--accent-soft);
}

.hero-scroll {
    position: absolute;
    bottom: 32px;
    left: 50%;
    transform: translateX(-50%);
    color: var(--text-muted);
    animation: float 2s ease-in-out infinite;
}

@keyframes float {
    0%, 100% { transform: translateX(-50%) translateY(0); }
    50% { transform: translateX(-50%) translateY(8px); }
}

/* ---- SECTIONS ---- */
.section {
    padding: 100px 0;
}

.section-alt {
    background: var(--bg-secondary);
}

.section-title {
    font-size: clamp(1.8rem, 3vw, 2.5rem);
    font-weight: 800;
    letter-spacing: -0.02em;
    margin-bottom: 60px;
    position: relative;
    display: inline-block;
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: -8px;
    left: 0;
    width: 48px;
    height: 3px;
    background: var(--accent);
    border-radius: 2px;
}

/* ---- ABOUT ---- */
.about-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: start;
}

.about-text p {
    margin-bottom: 16px;
    color: var(--text-secondary);
}

.about-lead {
    font-size: 1.15rem;
    color: var(--text-primary) !important;
    font-weight: 500;
    line-height: 1.6;
}

.about-stats {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
}

.stat-card {
    background: var(--bg-secondary);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 24px;
    text-align: center;
    transition: var(--transition);
}

.stat-card:hover {
    border-color: var(--border-accent);
    box-shadow: 0 0 20px var(--accent-glow);
}

.stat-number {
    display: block;
    font-size: 2rem;
    font-weight: 800;
    color: var(--accent);
    font-family: 'JetBrains Mono', monospace;
}

.stat-label {
    font-size: 0.8rem;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

/* ---- SKILLS ---- */
.skills-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 24px;
}

.skill-group {
    background: var(--bg-primary);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 28px;
    transition: var(--transition);
}

.skill-group:hover {
    border-color: var(--border-accent);
    box-shadow: 0 0 20px var(--accent-glow);
}

.skill-group-title {
    font-size: 0.95rem;
    font-weight: 600;
    margin-bottom: 16px;
    display: flex;
    align-items: center;
    gap: 10px;
}

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

.skill-tag {
    padding: 6px 14px;
    border-radius: 20px;
    font-size: 0.8rem;
    font-weight: 500;
    border: 1px solid var(--border);
    transition: var(--transition);
}

.skill-tag-expert {
    background: var(--accent-glow);
    border-color: var(--accent);
    color: var(--accent);
}

.skill-tag-advanced {
    background: rgba(6, 182, 212, 0.06);
    border-color: rgba(6, 182, 212, 0.3);
    color: #67e8f9;
}

.skill-tag-intermediate {
    background: transparent;
    border-color: var(--border);
    color: var(--text-secondary);
}

/* ---- TIMELINE ---- */
.timeline {
    position: relative;
    padding-left: 40px;
}

.timeline::before {
    content: '';
    position: absolute;
    left: 7px;
    top: 8px;
    bottom: 8px;
    width: 2px;
    background: linear-gradient(to bottom, var(--accent), var(--border));
    border-radius: 1px;
}

.timeline-item {
    position: relative;
    margin-bottom: 48px;
}

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

.timeline-marker {
    position: absolute;
    left: -40px;
    top: 6px;
    width: 16px;
    height: 16px;
    border-radius: 50%;
    background: var(--bg-primary);
    border: 3px solid var(--accent);
    z-index: 1;
}

.timeline-item:first-child .timeline-marker {
    background: var(--accent);
    box-shadow: 0 0 12px var(--accent-glow);
}

.timeline-content {
    background: var(--bg-secondary);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 28px;
    transition: var(--transition);
}

.timeline-content:hover {
    border-color: var(--border-accent);
    box-shadow: var(--shadow-lg);
}

.timeline-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    gap: 16px;
    margin-bottom: 16px;
    flex-wrap: wrap;
}

.timeline-role {
    font-size: 1.15rem;
    font-weight: 700;
}

.timeline-company {
    color: var(--accent);
    font-weight: 500;
    font-size: 0.95rem;
}

.timeline-date {
    font-size: 0.8rem;
    color: var(--text-muted);
    font-family: 'JetBrains Mono', monospace;
    white-space: nowrap;
    background: var(--accent-soft);
    padding: 4px 12px;
    border-radius: 20px;
    border: 1px solid var(--border);
}

.timeline-details {
    list-style: none;
    margin-bottom: 16px;
}

.timeline-details li {
    position: relative;
    padding-left: 20px;
    margin-bottom: 6px;
    color: var(--text-secondary);
    font-size: 0.9rem;
}

.timeline-details li::before {
    content: '▸';
    position: absolute;
    left: 0;
    color: var(--accent);
}

.timeline-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
}

.timeline-tags span {
    font-size: 0.75rem;
    padding: 3px 10px;
    border-radius: 12px;
    background: var(--accent-soft);
    color: var(--text-muted);
    border: 1px solid var(--border);
}

/* ---- TESTIMONIALS ---- */
.testimonials-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 24px;
}

.testimonial-card {
    background: var(--bg-primary);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 28px;
    transition: var(--transition);
    display: flex;
    flex-direction: column;
    justify-content: space-between;
}

.testimonial-card:hover {
    border-color: var(--border-accent);
    box-shadow: 0 0 20px var(--accent-glow);
    transform: translateY(-2px);
}

.testimonial-quote {
    position: relative;
    margin-bottom: 20px;
}

.testimonial-quote svg {
    position: absolute;
    top: -8px;
    left: -4px;
}

.testimonial-quote p {
    color: var(--text-secondary);
    font-size: 0.95rem;
    font-style: italic;
    line-height: 1.7;
    position: relative;
    z-index: 1;
}

.testimonial-author {
    display: flex;
    align-items: center;
    gap: 12px;
}

.testimonial-avatar {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: var(--accent-glow);
    border: 1px solid var(--border-accent);
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    color: var(--accent);
    font-size: 0.9rem;
}

.testimonial-author strong {
    display: block;
    font-size: 0.9rem;
}

.testimonial-author span {
    font-size: 0.8rem;
    color: var(--text-muted);
}

/* ---- CONTACT ---- */
.contact-content {
    text-align: center;
    max-width: 700px;
    margin: 0 auto;
}

.contact-intro {
    font-size: 1.1rem;
    color: var(--text-secondary);
    margin-bottom: 40px;
}

.contact-links {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 20px;
}

.contact-card {
    background: var(--bg-secondary);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 28px 20px;
    text-decoration: none;
    color: var(--text-primary);
    transition: var(--transition);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
}

.contact-card:hover {
    border-color: var(--accent);
    box-shadow: 0 0 25px var(--accent-glow);
    transform: translateY(-2px);
}

.contact-card svg { color: var(--accent); }
.contact-card span { font-weight: 600; font-size: 0.9rem; }
.contact-card p { font-size: 0.8rem; color: var(--text-muted); }

/* ---- FOOTER ---- */
.footer {
    padding: 40px 0;
    text-align: center;
    border-top: 1px solid var(--border);
}

.footer p {
    font-size: 0.85rem;
    color: var(--text-muted);
}

.footer-sub {
    font-size: 0.75rem !important;
    margin-top: 4px;
}

/* ---- REVEAL ANIMATIONS ---- */
.reveal {
    opacity: 0;
    transform: translateY(24px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

.reveal.visible {
    opacity: 1;
    transform: translateY(0);
}

/* ---- RESPONSIVE ---- */
@media (max-width: 768px) {
    .nav-toggle { display: flex; }
    
    .nav-links {
        display: none;
        position: absolute;
        top: 64px;
        left: 0;
        right: 0;
        background: rgba(15, 23, 42, 0.98);
        backdrop-filter: blur(20px);
        flex-direction: column;
        padding: 16px 24px;
        border-bottom: 1px solid var(--border);
    }

    .nav-links.open { display: flex; }

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

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

    .about-grid {
        grid-template-columns: 1fr;
        gap: 40px;
    }

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

    .timeline { padding-left: 32px; }
    .timeline-marker { left: -32px; }
    .timeline::before { left: 0; }

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

    .section { padding: 60px 0; }
    .section-title { margin-bottom: 40px; }
}

@media (max-width: 480px) {
    .hero-photo { width: 140px; height: 140px; }
    .hero-name { font-size: 1.8rem; }
    .about-stats { grid-template-columns: 1fr 1fr; gap: 12px; }
    .stat-card { padding: 16px; }
    .stat-number { font-size: 1.5rem; }
}

/* ---- PRINT ---- */
@media print {
    * { color: #000 !important; background: #fff !important; box-shadow: none !important; border-color: #ccc !important; }
    .nav, .hero-bg-grid, .hero-scroll, .hero-photo-ring, .btn { display: none !important; }
    .hero { min-height: auto; padding: 40px 0; }
    .section { padding: 30px 0; }
    .reveal { opacity: 1 !important; transform: none !important; }
    body { font-size: 11pt; line-height: 1.5; }
    .hero-name { font-size: 24pt; }
    .timeline-content { break-inside: avoid; }
    .testimonial-card { break-inside: avoid; }
    a { text-decoration: underline; }
    a::after { content: " (" attr(href) ")"; font-size: 9pt; }
}

/* ---- SELECTION ---- */
::selection {
    background: var(--accent);
    color: var(--bg-primary);
}