/* ============================================================
   PANDA PROJET — SHARED STYLES
   ============================================================ */

:root {
    --bg-primary: #090b11;
    --bg-secondary: #0f1219;
    --bg-card: #151921;
    --bg-card-hover: #1a1f2b;
    --text-primary: #f0f2f5;
    --text-secondary: #8b93a5;
    --text-muted: #5a6175;
    --accent-1: #3b82f6;
    --accent-2: #6366f1;
    --accent-3: #8b5cf6;
    --accent-warm: #f59e0b;
    --accent-green: #10b981;
    --accent-rose: #f43f5e;
    --gradient-main: linear-gradient(135deg, #3b82f6 0%, #6366f1 50%, #8b5cf6 100%);
    --gradient-warm: linear-gradient(135deg, #f59e0b 0%, #f97316 100%);
    --gradient-green: linear-gradient(135deg, #10b981 0%, #059669 100%);
    --gradient-rose: linear-gradient(135deg, #f43f5e 0%, #e11d48 100%);
    --border: rgba(255,255,255,0.06);
    --border-hover: rgba(255,255,255,0.12);
    --glow: rgba(99,102,241,0.15);
    --radius: 16px;
    --radius-sm: 10px;
    --font: 'Plus Jakarta Sans', -apple-system, sans-serif;
    --mono: 'JetBrains Mono', monospace;
}

* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }

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

/* ============ UTILITY ============ */
.container { max-width: 1200px; margin: 0 auto; padding: 0 24px; }
.gradient-text { background: var(--gradient-main); -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text; }
.section { padding: 100px 0; position: relative; }
.section-label {
    font-family: var(--mono);
    font-size: 0.75rem;
    letter-spacing: 3px;
    text-transform: uppercase;
    color: var(--accent-2);
    margin-bottom: 12px;
    display: block;
}
.section-title {
    font-size: clamp(2rem, 4vw, 3rem);
    font-weight: 800;
    line-height: 1.15;
    margin-bottom: 20px;
}
.section-subtitle {
    font-size: 1.1rem;
    color: var(--text-secondary);
    max-width: 600px;
    line-height: 1.8;
}

/* ============ BUTTONS ============ */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 14px 28px;
    border-radius: var(--radius-sm);
    font-family: var(--font);
    font-weight: 600;
    font-size: 0.95rem;
    cursor: pointer;
    border: none;
    transition: all 0.3s;
    text-decoration: none;
}
.btn-primary {
    background: var(--gradient-main);
    color: #fff;
    box-shadow: 0 4px 24px var(--glow);
}
.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 8px 32px rgba(99,102,241,0.3); }
.btn-secondary {
    background: transparent;
    color: var(--text-primary);
    border: 1px solid var(--border-hover);
}
.btn-secondary:hover { border-color: var(--accent-2); background: rgba(99,102,241,0.05); }
.btn-sm { padding: 10px 20px; font-size: 0.85rem; }
.btn-download {
    background: rgba(16,185,129,0.1);
    border: 1px solid rgba(16,185,129,0.3);
    color: var(--accent-green);
}
.btn-download:hover { background: rgba(16,185,129,0.2); border-color: var(--accent-green); transform: translateY(-2px); }
.btn-coming-soon {
    background: rgba(255,255,255,0.03);
    border: 1px solid var(--border);
    color: var(--text-muted);
    cursor: default;
    opacity: 0.6;
}

/* ============ NAV ============ */
nav {
    position: fixed; top: 0; left: 0; right: 0; z-index: 1000;
    padding: 16px 0;
    background: rgba(9,11,17,0.85);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--border);
    transition: all 0.3s;
}
nav .container { display: flex; align-items: center; justify-content: space-between; }
.logo {
    font-size: 1.35rem;
    font-weight: 800;
    letter-spacing: -0.5px;
    text-decoration: none;
    color: var(--text-primary);
    display: flex;
    align-items: center;
    gap: 10px;
}
.logo-icon {
    width: 36px; height: 36px;
    background: var(--gradient-main);
    border-radius: 10px;
    display: flex; align-items: center; justify-content: center;
    font-size: 1.2rem;
}
.nav-links { display: flex; align-items: center; gap: 28px; list-style: none; }
.nav-links > li { position: relative; }
.nav-links > li > a {
    color: var(--text-secondary);
    text-decoration: none;
    font-size: 0.9rem;
    font-weight: 500;
    transition: color 0.2s;
    display: flex;
    align-items: center;
    gap: 4px;
}
.nav-links > li > a:hover { color: var(--text-primary); }

/* ── DROPDOWN MEGA MENU ── */
.nav-dropdown-trigger { cursor: pointer; }
.nav-dropdown-trigger::after {
    content: '▾';
    font-size: 0.7rem;
    margin-left: 2px;
    transition: transform 0.2s;
}
.nav-dropdown-trigger:hover::after { transform: rotate(180deg); }

.nav-dropdown {
    position: absolute;
    top: calc(100% + 16px);
    left: 50%;
    transform: translateX(-50%) translateY(8px);
    width: 520px;
    background: var(--bg-secondary);
    border: 1px solid var(--border-hover);
    border-radius: var(--radius);
    padding: 12px;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 8px;
    opacity: 0;
    visibility: hidden;
    transition: all 0.25s ease;
    box-shadow: 0 20px 60px rgba(0,0,0,0.5);
}
.nav-dropdown::before {
    content: '';
    position: absolute;
    top: -8px;
    left: 50%;
    transform: translateX(-50%);
    width: 16px; height: 16px;
    background: var(--bg-secondary);
    border-left: 1px solid var(--border-hover);
    border-top: 1px solid var(--border-hover);
    transform: translateX(-50%) rotate(45deg);
}

li:hover > .nav-dropdown,
.nav-dropdown:hover {
    opacity: 1;
    visibility: visible;
    transform: translateX(-50%) translateY(0);
}

/* Bridge to prevent gap hover loss */
li:hover::after {
    content: '';
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    height: 20px;
}

.dropdown-item {
    display: flex;
    align-items: flex-start;
    gap: 14px;
    padding: 14px 16px;
    border-radius: var(--radius-sm);
    text-decoration: none;
    transition: all 0.2s;
}
.dropdown-item:hover { background: rgba(255,255,255,0.04); }
.dropdown-icon {
    width: 40px; height: 40px;
    border-radius: 10px;
    display: flex; align-items: center; justify-content: center;
    font-size: 1.2rem;
    flex-shrink: 0;
}
.dropdown-item:nth-child(1) .dropdown-icon { background: rgba(59,130,246,0.12); }
.dropdown-item:nth-child(2) .dropdown-icon { background: rgba(245,158,11,0.12); }
.dropdown-item:nth-child(3) .dropdown-icon { background: rgba(16,185,129,0.12); }
.dropdown-item:nth-child(4) .dropdown-icon { background: rgba(244,63,94,0.12); }
.dropdown-text h4 {
    font-size: 0.9rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 2px;
}
.dropdown-text p {
    font-size: 0.78rem;
    color: var(--text-muted);
    line-height: 1.4;
}

/* ── LANGUAGE TOGGLE ── */
.lang-toggle {
    display: flex;
    background: var(--bg-card);
    border-radius: 8px;
    overflow: hidden;
    border: 1px solid var(--border);
}
.lang-btn {
    padding: 6px 14px;
    font-size: 0.8rem;
    font-weight: 600;
    cursor: pointer;
    background: transparent;
    color: var(--text-muted);
    border: none;
    font-family: var(--font);
    transition: all 0.2s;
}
.lang-btn.active { background: var(--accent-2); color: #fff; }

.mobile-menu-btn {
    display: none;
    background: none;
    border: none;
    color: var(--text-primary);
    font-size: 1.5rem;
    cursor: pointer;
}

/* ============ PAGE HERO (for subpages) ============ */
.page-hero {
    padding: 140px 0 60px;
    background:
        radial-gradient(ellipse at 30% 50%, rgba(59,130,246,0.08) 0%, transparent 50%),
        radial-gradient(ellipse at 70% 30%, rgba(139,92,246,0.06) 0%, transparent 50%),
        var(--bg-primary);
    border-bottom: 1px solid var(--border);
}
.page-hero .section-title { margin-bottom: 12px; }
.page-hero .lead {
    font-size: 1.15rem;
    color: var(--text-secondary);
    max-width: 650px;
    line-height: 1.8;
}
.page-hero .breadcrumb {
    font-family: var(--mono);
    font-size: 0.75rem;
    color: var(--text-muted);
    margin-bottom: 20px;
}
.page-hero .breadcrumb a { color: var(--accent-2); text-decoration: none; }
.page-hero .breadcrumb a:hover { text-decoration: underline; }

/* ============ PRODUCT CARDS (subpages) ============ */
.products-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 28px;
    margin-top: 48px;
}
.product-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    overflow: hidden;
    transition: all 0.4s;
}
.product-card:hover {
    border-color: var(--border-hover);
    transform: translateY(-4px);
    box-shadow: 0 12px 40px rgba(0,0,0,0.3);
}
.product-card-top {
    height: 4px;
}
.product-card-body { padding: 32px; }
.product-card-icon {
    width: 48px; height: 48px;
    border-radius: 12px;
    display: flex; align-items: center; justify-content: center;
    font-size: 1.4rem;
    margin-bottom: 16px;
}
.product-card h3 {
    font-size: 1.25rem;
    font-weight: 700;
    margin-bottom: 4px;
}
.product-card .subtitle {
    font-family: var(--mono);
    font-size: 0.75rem;
    color: var(--accent-2);
    margin-bottom: 14px;
}
.product-card p {
    color: var(--text-secondary);
    font-size: 0.92rem;
    line-height: 1.7;
    margin-bottom: 20px;
}
.product-features {
    list-style: none;
    margin-bottom: 24px;
}
.product-features li {
    padding: 6px 0;
    font-size: 0.85rem;
    color: var(--text-secondary);
    display: flex;
    align-items: center;
    gap: 8px;
}
.product-features .check { color: var(--accent-green); font-weight: 700; font-size: 0.9rem; }
.product-card-actions {
    display: flex;
    gap: 10px;
    flex-wrap: wrap;
}

/* Color accents per portfolio */
.accent-blue .product-card-top { background: var(--gradient-main); }
.accent-blue .product-card-icon { background: rgba(59,130,246,0.12); }
.accent-warm .product-card-top { background: var(--gradient-warm); }
.accent-warm .product-card-icon { background: rgba(245,158,11,0.12); }
.accent-green .product-card-top { background: var(--gradient-green); }
.accent-green .product-card-icon { background: rgba(16,185,129,0.12); }
.accent-rose .product-card-top { background: var(--gradient-rose); }
.accent-rose .product-card-icon { background: rgba(244,63,94,0.12); }

/* ============ FOOTER ============ */
footer {
    padding: 60px 0 30px;
    border-top: 1px solid var(--border);
    background: var(--bg-secondary);
}
.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: 48px;
    margin-bottom: 40px;
}
.footer-brand p { color: var(--text-muted); font-size: 0.9rem; margin-top: 12px; line-height: 1.7; }
.footer-col h4 {
    font-size: 0.85rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 1px;
    color: var(--text-muted);
    margin-bottom: 16px;
}
.footer-col a {
    display: block;
    color: var(--text-secondary);
    text-decoration: none;
    font-size: 0.9rem;
    padding: 4px 0;
    transition: color 0.2s;
}
.footer-col a:hover { color: var(--text-primary); }
.footer-bottom {
    border-top: 1px solid var(--border);
    padding-top: 24px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}
.footer-bottom p { font-size: 0.8rem; color: var(--text-muted); }
.footer-legal { display: flex; gap: 24px; }
.footer-legal a { color: var(--text-muted); font-size: 0.8rem; text-decoration: none; }
.footer-legal a:hover { color: var(--text-secondary); }

/* ============ COACH AVATARS ============ */
.coach-avatar {
    width: 72px; height: 72px;
    border-radius: 50%;
    overflow: hidden;
    border: 2px solid rgba(99,102,241,0.3);
    box-shadow: 0 0 20px rgba(99,102,241,0.1);
    flex-shrink: 0;
}
.coach-avatar img { width: 100%; height: 100%; object-fit: cover; object-position: center 20%; }
.coach-header {
    display: flex;
    align-items: center;
    gap: 16px;
    margin-bottom: 16px;
}
.coach-header-text h3 { margin-bottom: 0; }
.coach-header-text .subtitle { margin-bottom: 0; }

/* Coach showcase row (homepage) */
.coaches-row {
    display: flex;
    justify-content: center;
    gap: 60px;
    margin-top: 48px;
    flex-wrap: wrap;
}
.coach-card {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 12px;
    text-align: center;
    transition: transform 0.3s;
}
.coach-card:hover { transform: translateY(-6px); }
.coach-card .coach-avatar-lg {
    width: 120px; height: 120px;
    border-radius: 50%;
    overflow: hidden;
    border: 3px solid rgba(99,102,241,0.25);
    box-shadow: 0 8px 32px rgba(0,0,0,0.3), 0 0 24px rgba(99,102,241,0.1);
    transition: all 0.3s;
}
.coach-card:hover .coach-avatar-lg {
    border-color: rgba(99,102,241,0.5);
    box-shadow: 0 12px 40px rgba(0,0,0,0.4), 0 0 32px rgba(99,102,241,0.2);
}
.coach-card .coach-avatar-lg img { width: 100%; height: 100%; object-fit: cover; object-position: center 20%; }
.coach-card .coach-name { font-size: 1.1rem; font-weight: 700; color: var(--text-primary); }
.coach-card .coach-role { font-size: 0.8rem; color: var(--text-muted); font-family: var(--mono); }
.coach-card .coach-sim { font-size: 0.85rem; color: var(--text-secondary); }

/* ============ ANIMATIONS ============ */
.fade-up {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}
.fade-up.visible { opacity: 1; transform: translateY(0); }
.stagger-1 { transition-delay: 0.1s; }
.stagger-2 { transition-delay: 0.2s; }
.stagger-3 { transition-delay: 0.3s; }
.stagger-4 { transition-delay: 0.4s; }

/* ============ MOBILE ============ */
@media (max-width: 1024px) {
    .products-grid { grid-template-columns: 1fr; }
    .nav-dropdown { width: 300px; grid-template-columns: 1fr; }
    .coaches-row { gap: 40px; }
    .coach-card .coach-avatar-lg { width: 100px; height: 100px; }
}
@media (max-width: 768px) {
    .section { padding: 60px 0; }
    .nav-links { display: none; }
    .mobile-menu-btn { display: block; }
    .nav-links.open {
        display: flex;
        flex-direction: column;
        position: absolute;
        top: 100%;
        left: 0; right: 0;
        background: var(--bg-secondary);
        padding: 24px;
        border-bottom: 1px solid var(--border);
        gap: 16px;
    }
    .nav-links.open .nav-dropdown {
        position: static;
        transform: none;
        width: 100%;
        opacity: 1;
        visibility: visible;
        box-shadow: none;
        border: none;
        padding: 0;
        margin-top: 8px;
    }
    .nav-links.open .nav-dropdown::before { display: none; }
    .btn { width: 100%; justify-content: center; }
    .footer-grid { grid-template-columns: 1fr 1fr; }
    .footer-bottom { flex-direction: column; gap: 16px; text-align: center; }
    .coaches-row { gap: 24px; }
    .coach-card .coach-avatar-lg { width: 90px; height: 90px; }
    .coach-card .coach-name { font-size: 1rem; }
    .page-hero { padding: 120px 0 40px; }
    .page-hero .lead { font-size: 1rem; }
    .product-card-body { padding: 24px; }
    .product-card-actions { flex-direction: column; }
    .product-card-actions .btn { width: 100%; justify-content: center; }
    .coach-header { gap: 12px; }
    .coach-avatar { width: 56px; height: 56px; }
    .section-title { font-size: clamp(1.6rem, 4vw, 3rem); }
}
@media (max-width: 480px) {
    .container { padding: 0 16px; }
    .coaches-row { flex-direction: column; align-items: center; gap: 28px; }
    .footer-grid { grid-template-columns: 1fr; }
    .trust-logos { gap: 28px; }
    .trust-name { font-size: 0.7rem; }
    .dropdown-item { padding: 10px 12px; }
    .product-features li { font-size: 0.8rem; }
}