/* ============================================================
   E-ROCK — Styles principaux
   Design crypto premium : noir, jaune Binance, néon
   ============================================================ */

:root {
    --erock-black: #0B0E11;
    --erock-dark: #181A20;
    --erock-darker: #1E2329;
    --erock-yellow: #F0B90B;
    --erock-yellow-light: #FCD535;
    --erock-yellow-glow: rgba(240, 185, 11, 0.3);
    --erock-green: #0ECB81;
    --erock-red: #F6465D;
    --erock-neon: #00D4FF;
    --erock-text: #1E2329;
    --erock-muted: #707A8A;
    --erock-light: #F5F5F5;
    --erock-bg-light: #FAFAFA;
    --erock-border: #E6E8EA;
}

* {
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    color: var(--erock-text);
    background: #fff;
    overflow-x: hidden;
}

/* ============================================================
   NAVBAR
   ============================================================ */
.navbar-erock {
    background: rgba(11, 14, 17, 0.95);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border-bottom: 1px solid rgba(255,255,255,0.05);
    padding: 0.85rem 0;
}

.navbar-erock .navbar-brand {
    display: flex;
    align-items: center;
    gap: 10px;
    color: #fff;
    font-weight: 800;
    font-size: 1.4rem;
    letter-spacing: 0.5px;
}

.logo-badge {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 36px;
    height: 36px;
    background: linear-gradient(135deg, var(--erock-yellow), var(--erock-yellow-light));
    color: var(--erock-black);
    font-weight: 900;
    font-size: 1.2rem;
    border-radius: 8px;
    box-shadow: 0 0 20px var(--erock-yellow-glow);
}

.brand-text {
    color: #fff;
    font-weight: 800;
    letter-spacing: 1px;
}

.navbar-erock .nav-link {
    color: rgba(255,255,255,0.7);
    font-weight: 500;
    padding: 0.5rem 1rem !important;
    transition: color 0.2s;
}

.navbar-erock .nav-link:hover {
    color: var(--erock-yellow);
}

.navbar-erock .navbar-toggler {
    border: 1px solid rgba(255,255,255,0.2);
    padding: 0.3rem 0.5rem;
}

.navbar-erock .navbar-toggler-icon {
    filter: invert(1) brightness(2);
}

/* ============================================================
   HERO
   ============================================================ */
.hero-erock {
    background: linear-gradient(135deg, #0B0E11 0%, #181A20 100%);
    position: relative;
    overflow: hidden;
    padding: 4rem 0 5rem;
}

.hero-bg-grid {
    position: absolute;
    inset: 0;
    background-image:
        linear-gradient(rgba(240,185,11,0.04) 1px, transparent 1px),
        linear-gradient(90deg, rgba(240,185,11,0.04) 1px, transparent 1px);
    background-size: 50px 50px;
    mask-image: radial-gradient(ellipse at center, black 30%, transparent 70%);
    -webkit-mask-image: radial-gradient(ellipse at center, black 30%, transparent 70%);
}

.hero-erock::before {
    content: '';
    position: absolute;
    top: -100px;
    right: -100px;
    width: 500px;
    height: 500px;
    background: radial-gradient(circle, var(--erock-yellow-glow) 0%, transparent 70%);
    pointer-events: none;
}

.hero-erock::after {
    content: '';
    position: absolute;
    bottom: -150px;
    left: -100px;
    width: 400px;
    height: 400px;
    background: radial-gradient(circle, rgba(0, 212, 255, 0.15) 0%, transparent 70%);
    pointer-events: none;
}

.min-vh-75 {
    min-height: 75vh;
}

.badge-hero {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: rgba(240, 185, 11, 0.1);
    border: 1px solid rgba(240, 185, 11, 0.3);
    color: var(--erock-yellow);
    padding: 0.5rem 1rem;
    border-radius: 50px;
    font-size: 0.85rem;
    font-weight: 600;
}

.badge-hero .dot {
    width: 8px;
    height: 8px;
    background: var(--erock-green);
    border-radius: 50%;
    animation: pulse-dot 2s infinite;
    box-shadow: 0 0 10px var(--erock-green);
}

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

.text-light-50 {
    color: rgba(255, 255, 255, 0.65);
}

.hero-erock h1 {
    line-height: 1.1;
    letter-spacing: -1px;
}

/* Stats row */
.stats-row {
    border-top: 1px solid rgba(255,255,255,0.1);
    padding-top: 2rem;
    margin-top: 3rem !important;
}

.stat-value {
    font-size: 2.2rem;
    font-weight: 800;
    color: var(--erock-yellow);
    line-height: 1;
}

.stat-label {
    color: rgba(255,255,255,0.5);
    font-size: 0.85rem;
    margin-top: 0.3rem;
    text-transform: uppercase;
    letter-spacing: 1px;
}

/* Trading card (hero right) */
.trading-card {
    background: linear-gradient(145deg, #1E2329, #181A20);
    border: 1px solid rgba(240,185,11,0.2);
    border-radius: 16px;
    padding: 1.5rem;
    box-shadow:
        0 20px 60px rgba(0,0,0,0.4),
        0 0 40px rgba(240,185,11,0.1);
    transform: perspective(1000px) rotateY(-5deg) rotateX(2deg);
    transition: transform 0.4s ease;
}

.trading-card:hover {
    transform: perspective(1000px) rotateY(-2deg) rotateX(0);
}

.ticker-mini {
    background: rgba(255,255,255,0.03);
    border: 1px solid rgba(255,255,255,0.06);
    border-radius: 8px;
    padding: 0.6rem;
    text-align: center;
}

/* ============================================================
   BUTTONS
   ============================================================ */
.btn-warning {
    background: linear-gradient(135deg, var(--erock-yellow), var(--erock-yellow-light));
    border: none;
    color: var(--erock-black);
    box-shadow: 0 4px 15px rgba(240,185,11,0.3);
    transition: all 0.25s;
}

.btn-warning:hover,
.btn-warning:focus {
    background: linear-gradient(135deg, var(--erock-yellow-light), var(--erock-yellow));
    color: var(--erock-black);
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(240,185,11,0.5);
}

.btn-outline-light:hover {
    background: rgba(255,255,255,0.1);
    border-color: rgba(255,255,255,0.5);
    color: #fff;
}

.btn-outline-warning {
    border-color: var(--erock-yellow);
    color: var(--erock-yellow);
}

.btn-outline-warning:hover {
    background: var(--erock-yellow);
    color: var(--erock-black);
}

/* ============================================================
   SECTIONS
   ============================================================ */
.badge-section {
    display: inline-block;
    background: rgba(240,185,11,0.1);
    color: var(--erock-yellow);
    padding: 0.4rem 1rem;
    border-radius: 50px;
    font-size: 0.75rem;
    font-weight: 700;
    letter-spacing: 2px;
    text-transform: uppercase;
}

/* ============================================================
   FEATURE CARDS
   ============================================================ */
.feature-card {
    background: #fff;
    border: 1px solid var(--erock-border);
    border-radius: 16px;
    padding: 2rem 1.5rem;
    height: 100%;
    transition: all 0.3s;
    position: relative;
    overflow: hidden;
}

.feature-card::before {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, transparent, rgba(240,185,11,0.04));
    opacity: 0;
    transition: opacity 0.3s;
}

.feature-card:hover {
    border-color: var(--erock-yellow);
    transform: translateY(-5px);
    box-shadow: 0 15px 40px rgba(240,185,11,0.15);
}

.feature-card:hover::before {
    opacity: 1;
}

.feature-card > * {
    position: relative;
    z-index: 1;
}

.feature-icon {
    width: 60px;
    height: 60px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--erock-yellow), var(--erock-yellow-light));
    color: var(--erock-black);
    border-radius: 14px;
    font-size: 1.6rem;
    margin-bottom: 1rem;
    box-shadow: 0 8px 20px rgba(240,185,11,0.3);
}

.feature-card h5 {
    font-weight: 700;
    color: var(--erock-black);
}

.feature-card p {
    color: var(--erock-muted);
    margin-bottom: 0;
    font-size: 0.92rem;
}

/* ============================================================
   STEP CARDS
   ============================================================ */
.step-card {
    background: linear-gradient(145deg, #1E2329, #181A20);
    border: 1px solid rgba(255,255,255,0.05);
    border-radius: 16px;
    padding: 2rem 1.5rem;
    height: 100%;
    position: relative;
    transition: all 0.3s;
}

.step-card:hover {
    border-color: var(--erock-yellow);
    transform: translateY(-5px);
}

.step-number {
    width: 48px;
    height: 48px;
    background: var(--erock-yellow);
    color: var(--erock-black);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 900;
    font-size: 1.3rem;
    margin-bottom: 1.2rem;
    box-shadow: 0 0 20px var(--erock-yellow-glow);
}

.step-card h5 {
    color: #fff;
    font-weight: 700;
}

/* ============================================================
   CTA
   ============================================================ */
.cta-erock {
    background: linear-gradient(135deg, #0B0E11, #1E2329);
    position: relative;
    overflow: hidden;
}

.cta-erock::before {
    content: '';
    position: absolute;
    inset: 0;
    background: radial-gradient(ellipse at center, var(--erock-yellow-glow) 0%, transparent 60%);
    opacity: 0.5;
}

.cta-erock > .container {
    position: relative;
    z-index: 1;
}

/* ============================================================
   FOOTER
   ============================================================ */
.footer-erock {
    background: #0B0E11;
    color: #fff;
    padding: 4rem 0 2rem;
    border-top: 1px solid rgba(240,185,11,0.2);
}

.footer-erock a {
    color: rgba(255,255,255,0.6);
    text-decoration: none;
    transition: color 0.2s;
}

.footer-erock a:hover {
    color: var(--erock-yellow);
}

.footer-erock ul li {
    margin-bottom: 0.5rem;
}

/* ============================================================
   TABLES (test système)
   ============================================================ */
.table {
    --bs-table-bg: transparent;
}

.table > :not(caption) > * > * {
    padding: 1rem 0.75rem;
    border-bottom-color: var(--erock-border);
}

/* ============================================================
   ALERTS
   ============================================================ */
.alert {
    border: none;
    border-radius: 12px;
    padding: 1rem 1.25rem;
}

.alert-success {
    background: rgba(14, 203, 129, 0.1);
    color: #0ECB81;
    border-left: 4px solid #0ECB81;
}

.alert-danger {
    background: rgba(246, 70, 93, 0.1);
    color: #F6465D;
    border-left: 4px solid #F6465D;
}

.alert-warning {
    background: rgba(240, 185, 11, 0.1);
    color: #B8860B;
    border-left: 4px solid #F0B90B;
}

/* ============================================================
   BADGES
   ============================================================ */
.badge {
    font-weight: 600;
    padding: 0.45em 0.75em;
    border-radius: 6px;
    font-size: 0.78rem;
}

/* ============================================================
   FORMS (préparation pour étape suivante)
   ============================================================ */
.form-control,
.form-select {
    border-radius: 10px;
    border-color: var(--erock-border);
    padding: 0.7rem 1rem;
    font-size: 0.95rem;
    transition: all 0.2s;
}

.form-control:focus,
.form-select:focus {
    border-color: var(--erock-yellow);
    box-shadow: 0 0 0 0.2rem rgba(240,185,11,0.15);
}

.form-label {
    font-weight: 600;
    color: var(--erock-text);
    font-size: 0.9rem;
    margin-bottom: 0.4rem;
}

/* ============================================================
   CARDS
   ============================================================ */
.card {
    border-radius: 14px;
}

/* ============================================================
   RESPONSIVE
   ============================================================ */
@media (max-width: 991px) {
    .hero-erock h1 {
        font-size: 2.5rem;
    }
    .stat-value {
        font-size: 1.6rem;
    }
}

@media (max-width: 575px) {
    .hero-erock {
        padding: 2.5rem 0 3rem;
    }
    .hero-erock h1 {
        font-size: 2rem;
    }
    .display-5 {
        font-size: 2rem;
    }
}

/* ============================================================
   ANIMATIONS
   ============================================================ */
@keyframes fadeInUp {
    from { opacity: 0; transform: translateY(20px); }
    to { opacity: 1; transform: translateY(0); }
}

.feature-card, .step-card {
    animation: fadeInUp 0.6s ease backwards;
}

/* Scrollbar custom */
::-webkit-scrollbar {
    width: 10px;
}
::-webkit-scrollbar-track {
    background: #f1f1f1;
}
::-webkit-scrollbar-thumb {
    background: var(--erock-yellow);
    border-radius: 5px;
}
::-webkit-scrollbar-thumb:hover {
    background: var(--erock-yellow-light);
}

/* ============================================================
   HOME PAGE - Sections étape 6 (features, how, cta, faq)
   ============================================================ */

/* Features */
.features-section {
    background: linear-gradient(180deg, #0B0E11, #14171C);
    position: relative;
}

.feature-card {
    background: rgba(255,255,255,0.02);
    border: 1px solid rgba(255,255,255,0.05);
    border-radius: 16px;
    padding: 2rem 1.5rem;
    height: 100%;
    transition: all 0.3s;
}

.feature-card:hover {
    transform: translateY(-5px);
    border-color: rgba(240,185,11,0.3);
    background: rgba(240,185,11,0.03);
}

.feature-icon {
    width: 56px;
    height: 56px;
    background: linear-gradient(135deg, rgba(240,185,11,0.2), rgba(252,213,53,0.05));
    border-radius: 14px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.8rem;
    color: #F0B90B;
    margin-bottom: 1rem;
}

/* How it works */
.how-section {
    background: #0B0E11;
    position: relative;
}

.step-card {
    background: rgba(255,255,255,0.02);
    border: 1px solid rgba(255,255,255,0.05);
    border-radius: 16px;
    padding: 2rem 1.5rem;
    text-align: center;
    height: 100%;
    position: relative;
    transition: all 0.3s;
}

.step-card:hover {
    transform: translateY(-5px);
    border-color: rgba(240,185,11,0.3);
}

.step-number {
    width: 50px;
    height: 50px;
    background: linear-gradient(135deg, #F0B90B, #FCD535);
    color: #0B0E11;
    border-radius: 50%;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    font-weight: 900;
    margin: 0 auto;
    box-shadow: 0 0 25px rgba(240,185,11,0.4);
}

/* CTA */
.cta-section {
    background: #0B0E11;
}

.cta-box {
    background: linear-gradient(135deg, rgba(240,185,11,0.1), rgba(252,213,53,0.05));
    border: 1px solid rgba(240,185,11,0.3);
    border-radius: 24px;
    padding: 4rem 2rem;
    position: relative;
    overflow: hidden;
}

.cta-box::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -10%;
    width: 400px;
    height: 400px;
    background: radial-gradient(circle, rgba(240,185,11,0.15), transparent 70%);
    pointer-events: none;
}

/* FAQ */
.faq-section {
    background: linear-gradient(180deg, #0B0E11, #14171C);
}

.accordion-erock .accordion-item {
    background: rgba(255,255,255,0.02);
    border: 1px solid rgba(255,255,255,0.05);
    border-radius: 12px !important;
    margin-bottom: 1rem;
    overflow: hidden;
}

.accordion-erock .accordion-button {
    background: transparent;
    color: #fff;
    font-weight: 600;
    padding: 1.25rem 1.5rem;
}

.accordion-erock .accordion-button:not(.collapsed) {
    background: rgba(240,185,11,0.05);
    color: #F0B90B;
    box-shadow: none;
}

.accordion-erock .accordion-button:focus {
    box-shadow: 0 0 0 2px rgba(240,185,11,0.3);
}

.accordion-erock .accordion-button::after {
    filter: invert(78%) sepia(50%) saturate(2000%) hue-rotate(2deg) brightness(105%) contrast(98%);
}

.accordion-erock .accordion-body {
    color: rgba(255,255,255,0.7);
    padding: 1rem 1.5rem 1.5rem;
    line-height: 1.7;
}

/* RTL adjustments */
[dir="rtl"] .accordion-button::after {
    margin-left: 0;
    margin-right: auto;
}