/* ═══════════════════════════════════════════════════
   LANDING PAGE — Styles
   Réutilise les CSS variables de styles.css
   ═══════════════════════════════════════════════════ */

/* ═══ NAVBAR ═══ */
.landing-nav {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 100;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--space-4) var(--space-8);
    transition: background var(--transition-base), box-shadow var(--transition-base), backdrop-filter var(--transition-base);
}

.landing-nav.scrolled {
    background: rgba(28, 16, 8, 0.95);
    backdrop-filter: blur(12px);
    box-shadow: 0 2px 20px rgba(0,0,0,0.3);
}

.nav-brand {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    text-decoration: none;
    color: #fff;
}

.nav-brand img {
    width: 36px;
    height: 36px;
}

.nav-brand span {
    font-size: var(--text-xl);
    font-weight: 700;
    letter-spacing: -0.02em;
}

.nav-actions {
    display: flex;
    align-items: center;
    gap: var(--space-3);
}

.btn-login {
    display: inline-flex;
    align-items: center;
    gap: var(--space-2);
    padding: var(--space-2) var(--space-5);
    background: rgba(255,255,255,0.12);
    color: #fff;
    border: 1px solid rgba(255,255,255,0.2);
    border-radius: var(--radius-full);
    font-family: var(--font-family);
    font-size: var(--text-sm);
    font-weight: 600;
    text-decoration: none;
    cursor: pointer;
    transition: all var(--transition-base);
}

.btn-login:hover {
    background: rgba(255,255,255,0.2);
    border-color: rgba(255,255,255,0.35);
    transform: translateY(-1px);
}

/* ═══ HERO ═══ */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(-45deg, #431407, #7c2d12, #9a3412, #431407);
    background-size: 400% 400%;
    animation: landing-gradient 15s ease infinite;
    overflow: hidden;
}

[data-theme="dark"] .hero {
    background: linear-gradient(-45deg, #1a0a04, #431407, #3b1106, #1a0a04);
    background-size: 400% 400%;
}

@keyframes landing-gradient {
    0% { background-position: 0% 50%; }
    50% { background-position: 100% 50%; }
    100% { background-position: 0% 50%; }
}

.hero-canvas {
    position: absolute;
    inset: 0;
    pointer-events: none;
    z-index: 0;
}

.hero-content {
    position: relative;
    z-index: 1;
    text-align: center;
    max-width: 700px;
    padding: var(--space-8);
}

.hero-avatar {
    width: 140px;
    height: 140px;
    margin: 0 auto var(--space-8);
    animation: hero-avatar-enter 1s cubic-bezier(0.34, 1.56, 0.64, 1) 0.3s both;
}

.hero-avatar img {
    width: 100%;
    height: 100%;
    object-fit: contain;
    animation: junior-breathe 3s ease-in-out infinite;
}

@keyframes hero-avatar-enter {
    from { opacity: 0; transform: scale(0.5) rotate(-10deg); }
    to { opacity: 1; transform: scale(1) rotate(0); }
}

.hero h1 {
    font-size: clamp(2rem, 5vw, 3.5rem);
    font-weight: 800;
    color: #fff;
    letter-spacing: -0.03em;
    line-height: 1.1;
    margin-bottom: var(--space-5);
    animation: hero-text-enter 0.8s ease-out 0.5s both;
}

.hero h1 .gradient-text {
    background: linear-gradient(135deg, #fdba74, #fb923c, #f97316);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}

.hero p {
    font-size: clamp(1rem, 2vw, 1.25rem);
    color: rgba(255,255,255,0.75);
    line-height: 1.6;
    margin-bottom: var(--space-10);
    animation: hero-text-enter 0.8s ease-out 0.7s both;
}

@keyframes hero-text-enter {
    from { opacity: 0; transform: translateY(20px); }
    to { opacity: 1; transform: translateY(0); }
}

.hero-cta {
    display: flex;
    gap: var(--space-4);
    justify-content: center;
    flex-wrap: wrap;
    animation: hero-text-enter 0.8s ease-out 0.9s both;
}

.btn-cta-primary {
    display: inline-flex;
    align-items: center;
    gap: var(--space-2);
    padding: var(--space-4) var(--space-8);
    background: var(--accent-gradient);
    color: #fff;
    border: none;
    border-radius: var(--radius-full);
    font-family: var(--font-family);
    font-size: var(--text-lg);
    font-weight: 700;
    text-decoration: none;
    cursor: pointer;
    transition: all var(--transition-base);
    box-shadow: 0 4px 24px rgba(249,115,22,0.4);
}

.btn-cta-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 32px rgba(249,115,22,0.5);
}

.btn-cta-secondary {
    display: inline-flex;
    align-items: center;
    gap: var(--space-2);
    padding: var(--space-4) var(--space-8);
    background: transparent;
    color: rgba(255,255,255,0.85);
    border: 1px solid rgba(255,255,255,0.25);
    border-radius: var(--radius-full);
    font-family: var(--font-family);
    font-size: var(--text-lg);
    font-weight: 600;
    text-decoration: none;
    cursor: pointer;
    transition: all var(--transition-base);
}

.btn-cta-secondary:hover {
    background: rgba(255,255,255,0.1);
    border-color: rgba(255,255,255,0.4);
    transform: translateY(-1px);
}

.scroll-indicator {
    position: absolute;
    bottom: var(--space-8);
    left: 50%;
    transform: translateX(-50%);
    z-index: 1;
    animation: scroll-bounce 2s ease-in-out infinite;
}

.scroll-indicator svg {
    width: 28px;
    height: 28px;
    color: rgba(255,255,255,0.4);
}

@keyframes scroll-bounce {
    0%, 100% { transform: translateX(-50%) translateY(0); opacity: 0.4; }
    50% { transform: translateX(-50%) translateY(8px); opacity: 0.8; }
}

/* ═══ SECTIONS ═══ */
.landing-section {
    padding: 100px var(--space-8);
}

.section-inner {
    max-width: 1100px;
    margin: 0 auto;
}

.section-title {
    font-size: clamp(1.5rem, 3vw, 2.25rem);
    font-weight: 800;
    letter-spacing: -0.02em;
    margin-bottom: var(--space-3);
    color: var(--text-primary);
}

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

.section-subtitle {
    font-size: var(--text-lg);
    color: var(--text-secondary);
    max-width: 600px;
    line-height: 1.6;
}

/* ═══ QUI EST JUNIOR ═══ */
.about-layout {
    display: grid;
    grid-template-columns: 200px 1fr;
    gap: var(--space-16);
    align-items: center;
    margin-top: var(--space-12);
}

.about-avatar {
    text-align: center;
}

.about-avatar img {
    width: 160px;
    height: 160px;
    object-fit: contain;
    animation: float 4s ease-in-out infinite;
}

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

.about-text h3 {
    font-size: var(--text-xl);
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: var(--space-4);
}

.about-text p {
    font-size: var(--text-base);
    color: var(--text-secondary);
    line-height: 1.7;
    margin-bottom: var(--space-8);
}

.value-cards {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-5);
    margin-top: var(--space-10);
}

.value-card {
    padding: var(--space-6);
    background: var(--bg-surface);
    border: 1px solid var(--border-default);
    border-radius: var(--radius-lg);
    text-align: center;
    transition: all var(--transition-base);
}

.value-card:hover {
    border-color: var(--accent-primary);
    box-shadow: var(--shadow-md);
    transform: translateY(-2px);
}

.value-card .value-number {
    font-size: var(--text-3xl);
    font-weight: 800;
    background: var(--accent-gradient);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    margin-bottom: var(--space-2);
}

.value-card .value-label {
    font-size: var(--text-sm);
    color: var(--text-secondary);
    font-weight: 500;
}

/* ═══ COMPETENCES ═══ */
.skills-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--space-5);
    margin-top: var(--space-10);
}

.skill-card {
    padding: var(--space-6);
    background: var(--bg-surface);
    border: 1px solid var(--border-default);
    border-radius: var(--radius-lg);
    text-align: center;
    transition: all var(--transition-base);
}

.skill-card:hover {
    border-color: var(--accent-primary);
    box-shadow: var(--shadow-md);
    transform: translateY(-3px);
}

.skill-icon {
    width: 48px;
    height: 48px;
    margin: 0 auto var(--space-4);
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--accent-primary-light);
    border-radius: var(--radius-md);
    font-size: 1.5rem;
}

.skill-card h4 {
    font-size: var(--text-base);
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: var(--space-2);
}

.skill-card .skill-count {
    font-size: var(--text-sm);
    color: var(--accent-primary);
    font-weight: 600;
}

/* ═══ COMMENT CA MARCHE ═══ */
.steps-layout {
    display: flex;
    align-items: flex-start;
    gap: var(--space-8);
    margin-top: var(--space-12);
    position: relative;
}

.steps-layout::before {
    content: '';
    position: absolute;
    top: 48px;
    left: calc(16.66% + 24px);
    right: calc(16.66% + 24px);
    height: 2px;
    background: var(--border-default);
}

.step {
    flex: 1;
    text-align: center;
    position: relative;
    z-index: 1;
}

.step-icon {
    width: 96px;
    height: 96px;
    margin: 0 auto var(--space-5);
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--bg-surface);
    border: 2px solid var(--border-default);
    border-radius: 50%;
    transition: all var(--transition-base);
}

.step:hover .step-icon {
    border-color: var(--accent-primary);
    box-shadow: 0 0 0 4px var(--accent-primary-light);
}

.step-icon img {
    width: 56px;
    height: 56px;
    object-fit: contain;
}

.step-icon svg {
    width: 40px;
    height: 40px;
    color: var(--accent-primary);
}

.step-number {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 28px;
    height: 28px;
    background: var(--accent-gradient);
    color: #fff;
    border-radius: 50%;
    font-size: var(--text-sm);
    font-weight: 700;
    margin-bottom: var(--space-3);
}

.step h4 {
    font-size: var(--text-lg);
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: var(--space-2);
}

.step p {
    font-size: var(--text-sm);
    color: var(--text-secondary);
    line-height: 1.6;
}

/* ═══ CONFIANCE (dark section) ═══ */
.section-dark {
    background: #1c1008;
    color: #fafaf9;
}

.section-dark .section-title {
    color: #fafaf9;
}

.section-dark .section-subtitle {
    color: #a8a29e;
}

.trust-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-8);
    margin-top: var(--space-10);
}

.trust-item {
    display: flex;
    gap: var(--space-5);
    align-items: flex-start;
}

.trust-icon {
    flex-shrink: 0;
    width: 48px;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(251,146,60,0.12);
    border-radius: var(--radius-md);
    font-size: 1.25rem;
}

.trust-item h4 {
    font-size: var(--text-base);
    font-weight: 700;
    color: #fafaf9;
    margin-bottom: var(--space-1);
}

.trust-item p {
    font-size: var(--text-sm);
    color: #a8a29e;
    line-height: 1.6;
}

/* ═══ CTA FINAL ═══ */
.section-cta {
    background: linear-gradient(-45deg, #431407, #7c2d12, #9a3412);
    text-align: center;
    padding: 80px var(--space-8);
}

.section-cta .cta-avatar {
    width: 100px;
    height: 100px;
    margin: 0 auto var(--space-6);
}

.section-cta .cta-avatar img {
    width: 100%;
    height: 100%;
    object-fit: contain;
    animation: junior-breathe 3s ease-in-out infinite;
}

.section-cta h2 {
    font-size: clamp(1.5rem, 3vw, 2.25rem);
    font-weight: 800;
    color: #fff;
    margin-bottom: var(--space-8);
}

/* ═══ FOOTER ═══ */
.landing-footer {
    background: #120c07;
    padding: var(--space-8);
    text-align: center;
}

.footer-links {
    display: flex;
    justify-content: center;
    gap: var(--space-6);
    margin-bottom: var(--space-4);
}

.footer-links a {
    color: #78716c;
    text-decoration: none;
    font-size: var(--text-sm);
    transition: color var(--transition-fast);
}

.footer-links a:hover {
    color: #a8a29e;
}

.landing-footer .copyright {
    color: #57534e;
    font-size: var(--text-xs);
}

/* ═══ SCROLL ANIMATIONS ═══ */
.fade-up {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.6s ease-out, transform 0.6s ease-out;
}

.fade-up.visible {
    opacity: 1;
    transform: translateY(0);
}

/* Stagger delays */
.fade-up[data-delay="1"] { transition-delay: 0.1s; }
.fade-up[data-delay="2"] { transition-delay: 0.2s; }
.fade-up[data-delay="3"] { transition-delay: 0.3s; }
.fade-up[data-delay="4"] { transition-delay: 0.4s; }
.fade-up[data-delay="5"] { transition-delay: 0.5s; }
.fade-up[data-delay="6"] { transition-delay: 0.6s; }
.fade-up[data-delay="7"] { transition-delay: 0.7s; }
.fade-up[data-delay="8"] { transition-delay: 0.8s; }

/* ═══ RESPONSIVE ═══ */
@media (max-width: 768px) {
    .landing-nav {
        padding: var(--space-3) var(--space-4);
    }

    .landing-section {
        padding: 60px var(--space-5);
    }

    .about-layout {
        grid-template-columns: 1fr;
        gap: var(--space-8);
        text-align: center;
    }

    .value-cards {
        grid-template-columns: 1fr;
    }

    .skills-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: var(--space-3);
    }

    .steps-layout {
        flex-direction: column;
        align-items: center;
    }

    .steps-layout::before {
        display: none;
    }

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

    .hero-content {
        padding: var(--space-5);
    }

    .hero h1 {
        font-size: 1.75rem;
    }
}

@media (max-width: 480px) {
    .skills-grid {
        grid-template-columns: 1fr;
    }
}

/* ═══ REDUCED MOTION ═══ */
@media (prefers-reduced-motion: reduce) {
    .hero {
        animation: none !important;
    }
    .hero-canvas {
        display: none !important;
    }
    .fade-up {
        opacity: 1;
        transform: none;
        transition: none;
    }
    .hero-avatar img,
    .about-avatar img,
    .section-cta .cta-avatar img {
        animation: none !important;
    }
    .scroll-indicator {
        animation: none !important;
    }
}