/* ===== BASE ===== */
* { margin: 0; padding: 0; box-sizing: border-box; }

body {
    font-family: 'Inter', sans-serif;
    background: #0a0a1a;
    color: #ffffff;
    overflow-x: hidden;
}

/* ===== NAVBAR ===== */
#mainNavbar {
    background: rgba(10, 10, 26, 0.8);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid rgba(255,255,255,0.05);
    padding: 15px 0;
    transition: all 0.3s ease;
}

#mainNavbar.scrolled {
    background: rgba(10, 10, 26, 0.98);
    padding: 10px 0;
}

.navbar-brand {
    background: linear-gradient(135deg, #667eea, #764ba2);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    font-size: 1.5rem !important;
}

.nav-link {
    color: rgba(255,255,255,0.8) !important;
    font-weight: 500;
    transition: color 0.3s;
}

.nav-link:hover { color: #667eea !important; }

.btn-nav {
    background: linear-gradient(135deg, #667eea, #764ba2);
    color: white !important;
}

/* ===== HERO ===== */
.hero-section {
    min-height: 100vh;
    background: linear-gradient(135deg, #0a0a1a 0%, #1a0a2e 50%, #0a1628 100%);
    padding-top: 100px;
    position: relative;
    overflow: hidden;
}

.hero-section::before {
    content: '';
    position: absolute;
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, rgba(102,126,234,0.15) 0%, transparent 70%);
    top: -100px;
    right: -100px;
    border-radius: 50%;
}

.badge-pill {
    display: inline-block;
    background: rgba(102,126,234,0.2);
    border: 1px solid rgba(102,126,234,0.4);
    color: #a78bfa;
    padding: 8px 20px;
    border-radius: 50px;
    font-size: 0.85rem;
    font-weight: 500;
}

.hero-title {
    font-size: 3.2rem;
    font-weight: 800;
    line-height: 1.2;
}

.gradient-text {
    background: linear-gradient(135deg, #667eea, #a78bfa, #06b6d4);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.hero-subtitle {
    font-size: 1.1rem;
    color: rgba(255,255,255,0.65);
    line-height: 1.7;
    max-width: 480px;
}

/* ===== BUTTONS ===== */
.btn-primary-custom {
    background: linear-gradient(135deg, #667eea, #764ba2);
    border: none;
    color: white;
    padding: 14px 32px;
    border-radius: 50px;
    font-weight: 600;
    transition: all 0.3s ease;
}

.btn-primary-custom:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 30px rgba(102,126,234,0.4);
    color: white;
}

.btn-outline-custom {
    background: transparent;
    border: 2px solid rgba(102,126,234,0.5);
    color: white;
    padding: 14px 32px;
    border-radius: 50px;
    font-weight: 600;
    transition: all 0.3s ease;
}

.btn-outline-custom:hover {
    border-color: #667eea;
    color: #667eea;
    transform: translateY(-2px);
}

/* ===== STATS ===== */
.stat-number {
    font-size: 2rem;
    font-weight: 800;
    background: linear-gradient(135deg, #667eea, #a78bfa);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    margin: 0;
}

.stat-label {
    font-size: 0.8rem;
    color: rgba(255,255,255,0.5);
    margin: 0;
}

/* ===== HERO CARD ===== */
.hero-card {
    background: rgba(255,255,255,0.05);
    border: 1px solid rgba(255,255,255,0.1);
    border-radius: 24px;
    overflow: hidden;
    backdrop-filter: blur(20px);
}

.card-header-custom {
    background: linear-gradient(135deg, #667eea, #764ba2);
    padding: 16px 24px;
    font-weight: 600;
    font-size: 1rem;
}

.card-body-custom { padding: 24px; }

.card-label {
    color: rgba(255,255,255,0.6);
    font-size: 0.9rem;
    margin-bottom: 12px;
}

.input-group-custom {
    display: flex;
    align-items: center;
    background: rgba(255,255,255,0.08);
    border: 1px solid rgba(255,255,255,0.15);
    border-radius: 12px;
    padding: 12px 16px;
    gap: 12px;
}

.input-group-custom i { color: #667eea; }

.input-group-custom input {
    background: transparent;
    border: none;
    outline: none;
    color: white;
    font-size: 0.95rem;
    width: 100%;
}

.input-group-custom input::placeholder { color: rgba(255,255,255,0.3); }

.btn-analyze {
    width: 100%;
    background: linear-gradient(135deg, #667eea, #764ba2);
    border: none;
    color: white;
    padding: 14px;
    border-radius: 12px;
    font-weight: 600;
    margin-top: 16px;
    cursor: pointer;
    font-size: 1rem;
    transition: all 0.3s ease;
}

.btn-analyze:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(102,126,234,0.4);
}

.suggest-tag {
    display: inline-block;
    background: rgba(102,126,234,0.15);
    border: 1px solid rgba(102,126,234,0.3);
    color: #a78bfa;
    padding: 5px 14px;
    border-radius: 20px;
    font-size: 0.8rem;
    cursor: pointer;
    margin: 3px;
    transition: all 0.2s;
}

.suggest-tag:hover {
    background: rgba(102,126,234,0.3);
    transform: translateY(-1px);
}

/* ===== FEATURES ===== */
.features-section {
    background: #0d0d1f;
    padding: 80px 0;
}

.section-title {
    font-size: 2.2rem;
    font-weight: 800;
    margin-bottom: 12px;
}

.section-subtitle {
    color: rgba(255,255,255,0.55);
    font-size: 1rem;
}

.feature-card {
    background: rgba(255,255,255,0.04);
    border: 1px solid rgba(255,255,255,0.08);
    border-radius: 20px;
    padding: 32px 24px;
    height: 100%;
    transition: all 0.3s ease;
}

.feature-card:hover {
    transform: translateY(-6px);
    border-color: rgba(102,126,234,0.4);
    background: rgba(102,126,234,0.08);
}

.feature-icon {
    width: 56px;
    height: 56px;
    background: linear-gradient(135deg, #667eea, #764ba2);
    border-radius: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.4rem;
    margin-bottom: 20px;
}

.feature-title {
    font-size: 1.1rem;
    font-weight: 700;
    margin-bottom: 10px;
}

.feature-desc {
    color: rgba(255,255,255,0.55);
    font-size: 0.9rem;
    line-height: 1.6;
    margin: 0;
}

/* ===== HOW IT WORKS ===== */
.how-section { background: #0a0a1a; }

.step-card {
    background: rgba(255,255,255,0.04);
    border: 1px solid rgba(255,255,255,0.08);
    border-radius: 20px;
    padding: 40px 24px;
    transition: all 0.3s ease;
}

.step-card:hover {
    border-color: rgba(102,126,234,0.4);
    transform: translateY(-4px);
}

.step-number {
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, #667eea, #764ba2);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    font-weight: 800;
    margin: 0 auto;
}

.step-card h4 {
    font-weight: 700;
    font-size: 1.1rem;
}

.step-card p {
    color: rgba(255,255,255,0.55);
    font-size: 0.9rem;
    margin: 0;
}

/* ===== FOOTER ===== */
.footer {
    background: #07070f;
    border-top: 1px solid rgba(255,255,255,0.06);
}

.footer-sub {
    color: rgba(255,255,255,0.3);
    font-size: 0.8rem;
    margin: 0;
}

/* ===== RESPONSIVE ===== */
@media (max-width: 768px) {
    .hero-title { font-size: 2.2rem; }
    .stats-row { gap: 24px; }
}

/* ===== FEATURE BUTTON ===== */
.feature-btn {
    display: inline-block;
    background: linear-gradient(135deg, #667eea, #764ba2);
    color: white !important;
    padding: 10px 22px;
    border-radius: 50px;
    font-size: 0.85rem;
    font-weight: 600;
    text-decoration: none;
    transition: all 0.3s ease;
    margin-top: 12px;
}

.feature-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 20px rgba(102,126,234,0.4);
    color: white !important;
}