/* ========================================
   BBF Portal — Frontend Styles
   ======================================== */

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

:root {
    --primary: #0a1628;
    --secondary: #1a3a6e;
    --accent: #3b82f6;
    --accent2: #06b6d4;
    --text: #e2e8f0;
    --text-muted: #94a3b8;
    --glass: rgba(255, 255, 255, 0.05);
    --glass-border: rgba(255, 255, 255, 0.1);
    --radius: 16px;
    --radius-sm: 10px;
    --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

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

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    background: var(--site-gradient, linear-gradient(135deg, #0a1628 0%, #1a3a6e 40%, #0f2847 100%));
    color: var(--text);
    line-height: 1.6;
    overflow-x: hidden;
    min-height: 100vh;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
}

/* Background Effects */
.circuit-bg {
    position: fixed;
    inset: 0;
    z-index: 0;
    opacity: 0.04;
    background-image:
        linear-gradient(rgba(59, 130, 246, 0.3) 1px, transparent 1px),
        linear-gradient(90deg, rgba(59, 130, 246, 0.3) 1px, transparent 1px);
    background-size: 60px 60px;
    pointer-events: none;
}

.gradient-orbs {
    position: fixed;
    inset: 0;
    z-index: 0;
    overflow: hidden;
    pointer-events: none;
}

.orb {
    position: absolute;
    border-radius: 50%;
    filter: blur(80px);
    animation: float 20s ease-in-out infinite;
}

.orb-1 {
    width: 500px;
    height: 500px;
    background: radial-gradient(circle, rgba(59, 130, 246, 0.15), transparent 70%);
    top: -10%;
    right: -5%;
}

.orb-2 {
    width: 400px;
    height: 400px;
    background: radial-gradient(circle, rgba(6, 182, 212, 0.12), transparent 70%);
    bottom: 20%;
    left: -10%;
    animation-delay: -7s;
}

.orb-3 {
    width: 300px;
    height: 300px;
    background: radial-gradient(circle, rgba(99, 102, 241, 0.1), transparent 70%);
    top: 50%;
    right: 30%;
    animation-delay: -14s;
}

@keyframes float {
    0%, 100% { transform: translate(0, 0) scale(1); }
    33% { transform: translate(30px, -30px) scale(1.05); }
    66% { transform: translate(-20px, 20px) scale(0.95); }
}

/* Header */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    padding: 16px 0;
    transition: var(--transition);
}

.header.scrolled {
    background: rgba(10, 22, 40, 0.85);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--glass-border);
    padding: 12px 0;
}

.header-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.logo {
    display: flex;
    align-items: center;
    gap: 12px;
    text-decoration: none;
    color: inherit;
}

.logo-icon svg {
    width: 40px;
    height: 40px;
}

.logo-image {
    width: 40px;
    height: 40px;
    object-fit: contain;
    border-radius: 10px;
    display: block;
}

.logo-text {
    display: flex;
    flex-direction: column;
}

.logo-name {
    font-family: 'Space Grotesk', sans-serif;
    font-weight: 700;
    font-size: 0.85rem;
    letter-spacing: 0.05em;
    color: var(--text);
}

.logo-tagline {
    font-size: 0.65rem;
    color: var(--text-muted);
    letter-spacing: 0.02em;
}

.nav {
    display: flex;
    align-items: center;
    gap: 8px;
}

.nav-link {
    color: var(--text-muted);
    text-decoration: none;
    font-size: 0.875rem;
    font-weight: 500;
    padding: 8px 16px;
    border-radius: 8px;
    transition: var(--transition);
}

.nav-link:hover {
    color: var(--text);
    background: var(--glass);
}

.nav-link--highlight {
    background: linear-gradient(135deg, var(--accent), var(--accent2));
    color: white !important;
    font-weight: 600;
}

.nav-link--highlight:hover {
    opacity: 0.9;
    transform: translateY(-1px);
    box-shadow: 0 4px 20px rgba(59, 130, 246, 0.3);
}

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

.nav-toggle span {
    display: block;
    width: 24px;
    height: 2px;
    background: var(--text);
    border-radius: 2px;
    transition: var(--transition);
}

/* Hero */
.hero {
    position: relative;
    z-index: 1;
    padding: 160px 0 100px;
    min-height: 100vh;
    display: flex;
    align-items: center;
}

.hero-inner {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 6px 16px;
    background: var(--glass);
    border: 1px solid var(--glass-border);
    border-radius: 50px;
    font-size: 0.8rem;
    color: var(--accent2);
    margin-bottom: 24px;
    backdrop-filter: blur(10px);
}

.pulse-dot {
    width: 8px;
    height: 8px;
    background: #22c55e;
    border-radius: 50%;
    animation: pulse 2s ease-in-out infinite;
}

@keyframes pulse {
    0%, 100% { opacity: 1; transform: scale(1); }
    50% { opacity: 0.5; transform: scale(1.3); }
}

.hero-title {
    font-family: 'Space Grotesk', sans-serif;
    font-size: clamp(2.5rem, 5vw, 3.75rem);
    font-weight: 700;
    line-height: 1.1;
    margin-bottom: 20px;
    background: linear-gradient(135deg, #ffffff 0%, #94a3b8 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-subtitle {
    font-size: 1.15rem;
    color: var(--text-muted);
    margin-bottom: 36px;
    max-width: 480px;
}

.hero-features {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
    margin-bottom: 40px;
}

.hero-feature {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px 16px;
    background: var(--glass);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-sm);
    backdrop-filter: blur(10px);
    transition: var(--transition);
}

.hero-feature:hover {
    border-color: rgba(59, 130, 246, 0.3);
    transform: translateY(-2px);
}

.hero-feature--link {
    text-decoration: none;
    color: inherit;
    cursor: pointer;
}

.hero-feature--link:hover {
    border-color: rgba(59, 130, 246, 0.5);
    box-shadow: 0 4px 20px rgba(59, 130, 246, 0.15);
}

.hero-feature-icon {
    width: 36px;
    height: 36px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, rgba(59, 130, 246, 0.2), rgba(6, 182, 212, 0.2));
    border-radius: 8px;
    color: var(--accent2);
}

.hero-feature-icon svg {
    width: 18px;
    height: 18px;
}

.hero-feature span {
    font-size: 0.85rem;
    font-weight: 500;
}

.hero-cta {
    display: flex;
    gap: 16px;
    flex-wrap: wrap;
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 14px 28px;
    border-radius: var(--radius-sm);
    font-size: 0.9rem;
    font-weight: 600;
    text-decoration: none;
    border: none;
    cursor: pointer;
    transition: var(--transition);
    font-family: inherit;
}

.btn-primary {
    background: linear-gradient(135deg, var(--accent), var(--accent2));
    color: white;
    box-shadow: 0 4px 20px rgba(59, 130, 246, 0.3);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 30px rgba(59, 130, 246, 0.4);
}

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

.btn-outline:hover {
    background: var(--glass);
    border-color: rgba(59, 130, 246, 0.3);
}

.btn-block {
    width: 100%;
}

/* Hero Visual */
.hero-visual {
    display: flex;
    justify-content: center;
}

.hero-card {
    width: 100%;
    max-width: 420px;
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius);
    backdrop-filter: blur(20px);
    overflow: hidden;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
}

.hero-card-header {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 16px 20px;
    border-bottom: 1px solid var(--glass-border);
    font-size: 0.85rem;
    color: var(--text-muted);
}

.card-dots {
    display: flex;
    gap: 6px;
}

.card-dots span {
    width: 10px;
    height: 10px;
    border-radius: 50%;
}

.card-dots span:nth-child(1) { background: #ef4444; }
.card-dots span:nth-child(2) { background: #f59e0b; }
.card-dots span:nth-child(3) { background: #22c55e; }

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

.stat-row {
    display: flex;
    gap: 24px;
    margin-bottom: 24px;
}

.stat-value {
    display: block;
    font-family: 'Space Grotesk', sans-serif;
    font-size: 1.5rem;
    font-weight: 700;
    background: linear-gradient(135deg, var(--accent), var(--accent2));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.stat-label {
    font-size: 0.75rem;
    color: var(--text-muted);
}

.chart-bars {
    display: flex;
    align-items: flex-end;
    gap: 8px;
    height: 120px;
}

.bar {
    flex: 1;
    height: var(--h);
    background: linear-gradient(to top, var(--accent), var(--accent2));
    border-radius: 4px 4px 0 0;
    opacity: 0.7;
    animation: barGrow 1s ease-out backwards;
}

.bar:nth-child(1) { animation-delay: 0.1s; }
.bar:nth-child(2) { animation-delay: 0.2s; }
.bar:nth-child(3) { animation-delay: 0.3s; }
.bar:nth-child(4) { animation-delay: 0.4s; }
.bar:nth-child(5) { animation-delay: 0.5s; }
.bar:nth-child(6) { animation-delay: 0.6s; }

@keyframes barGrow {
    from { height: 0; }
}

/* Sections */
.section {
    position: relative;
    z-index: 1;
    padding: 100px 0;
}

.section--alt {
    background: rgba(0, 0, 0, 0.15);
}

.section-header {
    text-align: center;
    max-width: 600px;
    margin: 0 auto 60px;
}

.section-tag {
    display: inline-block;
    padding: 4px 14px;
    background: linear-gradient(135deg, rgba(59, 130, 246, 0.15), rgba(6, 182, 212, 0.15));
    border: 1px solid rgba(59, 130, 246, 0.2);
    border-radius: 50px;
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--accent2);
    text-transform: uppercase;
    letter-spacing: 0.1em;
    margin-bottom: 16px;
}

.section-header h2 {
    font-family: 'Space Grotesk', sans-serif;
    font-size: clamp(1.75rem, 3vw, 2.5rem);
    font-weight: 700;
    margin-bottom: 12px;
}

.section-header p {
    color: var(--text-muted);
    font-size: 1.05rem;
}

/* Services */
.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: 24px;
}

.service-card {
    padding: 32px;
    background: var(--glass);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius);
    backdrop-filter: blur(10px);
    transition: var(--transition);
}

.service-card:hover {
    transform: translateY(-4px);
    border-color: rgba(59, 130, 246, 0.3);
    box-shadow: 0 12px 40px rgba(0, 0, 0, 0.2);
}

.service-icon {
    width: 48px;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, rgba(59, 130, 246, 0.2), rgba(6, 182, 212, 0.2));
    border-radius: 12px;
    color: var(--accent2);
    margin-bottom: 20px;
}

.service-icon svg {
    width: 24px;
    height: 24px;
}

.service-card h3 {
    font-family: 'Space Grotesk', sans-serif;
    font-size: 1.15rem;
    margin-bottom: 8px;
}

.service-card p {
    color: var(--text-muted);
    font-size: 0.9rem;
}

/* Packages */
.packages-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 24px;
    align-items: start;
}

.package-card {
    position: relative;
    padding: 36px 28px;
    background: var(--glass);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius);
    backdrop-filter: blur(10px);
    transition: var(--transition);
}

.package-card--featured {
    background: linear-gradient(135deg, rgba(59, 130, 246, 0.1), rgba(6, 182, 212, 0.1));
    border-color: rgba(59, 130, 246, 0.3);
    transform: scale(1.03);
    box-shadow: 0 20px 60px rgba(59, 130, 246, 0.15);
}

.package-badge {
    position: absolute;
    top: -12px;
    left: 50%;
    transform: translateX(-50%);
    padding: 4px 16px;
    background: linear-gradient(135deg, var(--accent), var(--accent2));
    border-radius: 50px;
    font-size: 0.75rem;
    font-weight: 600;
    white-space: nowrap;
}

.package-card h3 {
    font-family: 'Space Grotesk', sans-serif;
    font-size: 1.25rem;
    margin-bottom: 16px;
}

.package-price {
    margin-bottom: 24px;
}

.price {
    font-family: 'Space Grotesk', sans-serif;
    font-size: 2.5rem;
    font-weight: 700;
}

.period {
    color: var(--text-muted);
    font-size: 0.9rem;
}

.package-features {
    list-style: none;
    margin-bottom: 28px;
}

.package-features li {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 8px 0;
    font-size: 0.9rem;
    color: var(--text-muted);
}

.package-features svg {
    color: var(--accent2);
    flex-shrink: 0;
}

/* Features Grid */
.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: 24px;
}

.feature-item {
    padding: 32px;
    background: var(--glass);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius);
    transition: var(--transition);
}

.feature-item:hover {
    border-color: rgba(59, 130, 246, 0.3);
}

.feature-number {
    font-family: 'Space Grotesk', sans-serif;
    font-size: 2rem;
    font-weight: 700;
    background: linear-gradient(135deg, var(--accent), var(--accent2));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 12px;
}

.feature-item h3 {
    font-family: 'Space Grotesk', sans-serif;
    font-size: 1.1rem;
    margin-bottom: 8px;
}

.feature-item p {
    color: var(--text-muted);
    font-size: 0.9rem;
}

/* Partners */
.partners-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
    gap: 16px;
}

.partner-card {
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 24px;
    background: var(--glass);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-sm);
    font-weight: 600;
    font-size: 0.9rem;
    color: var(--text-muted);
    transition: var(--transition);
}

.partner-card:hover {
    color: var(--text);
    border-color: rgba(59, 130, 246, 0.3);
    background: rgba(59, 130, 246, 0.05);
}

/* Sign In */
.signin-section {
    padding-bottom: 120px;
}

.signin-card {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 0;
    background: var(--glass);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius);
    overflow: hidden;
    backdrop-filter: blur(20px);
}

.signin-content {
    padding: 48px;
}

.signin-content h2 {
    font-family: 'Space Grotesk', sans-serif;
    font-size: 1.75rem;
    margin-bottom: 8px;
}

.signin-content > p {
    color: var(--text-muted);
    margin-bottom: 32px;
}

.signin-form .form-group {
    margin-bottom: 16px;
}

.signin-form input {
    width: 100%;
    padding: 14px 18px;
    background: rgba(0, 0, 0, 0.2);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-sm);
    color: var(--text);
    font-size: 0.9rem;
    font-family: inherit;
    transition: var(--transition);
}

.signin-form input:focus {
    outline: none;
    border-color: var(--accent);
    box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.15);
}

.signin-form input::placeholder {
    color: var(--text-muted);
}

.signin-visual {
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, rgba(59, 130, 246, 0.08), rgba(6, 182, 212, 0.08));
    padding: 48px;
}

.signin-graphic svg {
    width: 200px;
    height: 200px;
    animation: rotate 30s linear infinite;
}

@keyframes rotate {
    from { transform: rotate(0deg); }
    to { transform: rotate(360deg); }
}

/* Footer */
.footer {
    position: relative;
    z-index: 1;
    padding: 40px 0;
    border-top: 1px solid var(--glass-border);
    background: rgba(0, 0, 0, 0.2);
}

.footer-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 24px;
}

.footer-logo {
    font-family: 'Space Grotesk', sans-serif;
    font-weight: 700;
    font-size: 0.9rem;
    display: block;
    margin-bottom: 4px;
}

.footer-brand p {
    font-size: 0.8rem;
    color: var(--text-muted);
}

.footer-email {
    display: inline-block;
    margin-top: 8px;
    color: var(--accent2);
    text-decoration: none;
    font-size: 0.85rem;
}

.footer-email:hover {
    text-decoration: underline;
}

.footer-secure {
    display: flex;
    align-items: center;
    gap: 10px;
}

.footer-admin-link {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 42px;
    height: 42px;
    border-radius: 10px;
    background: var(--glass);
    border: 1px solid var(--glass-border);
    color: var(--text-muted);
    text-decoration: none;
    transition: var(--transition);
}

.footer-admin-link:hover {
    color: var(--accent2);
    border-color: rgba(59, 130, 246, 0.4);
    background: rgba(59, 130, 246, 0.1);
    transform: translateY(-2px);
    box-shadow: 0 4px 16px rgba(59, 130, 246, 0.2);
}

.footer-padlock {
    width: 20px;
    height: 20px;
}

.footer-ssl,
.footer-verified {
    display: flex;
    align-items: center;
    justify-content: center;
}

.footer-ssl svg,
.footer-verified svg {
    width: 28px;
    height: 28px;
    filter: drop-shadow(0 2px 8px rgba(34, 197, 94, 0.25));
}

.footer-verified svg {
    filter: drop-shadow(0 2px 8px rgba(59, 130, 246, 0.35));
}

/* Responsive */
@media (max-width: 968px) {
    .hero-inner {
        grid-template-columns: 1fr;
        text-align: center;
    }

    .hero-subtitle {
        margin-left: auto;
        margin-right: auto;
    }

    .hero-features {
        max-width: 400px;
        margin-left: auto;
        margin-right: auto;
    }

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

    .hero-visual {
        order: -1;
    }

    .signin-card {
        grid-template-columns: 1fr;
    }

    .signin-visual {
        display: none;
    }
}

@media (max-width: 768px) {
    .nav-toggle {
        display: flex;
    }

    .nav {
        position: fixed;
        top: 0;
        right: -100%;
        width: 280px;
        height: 100vh;
        flex-direction: column;
        align-items: stretch;
        padding: 80px 24px 24px;
        background: rgba(10, 22, 40, 0.95);
        backdrop-filter: blur(20px);
        border-left: 1px solid var(--glass-border);
        transition: var(--transition);
        gap: 4px;
    }

    .nav.open {
        right: 0;
    }

    .nav-link {
        padding: 12px 16px;
    }

    .package-card--featured {
        transform: none;
    }

    .footer-inner {
        flex-direction: column;
        text-align: center;
    }
}

/* Scroll animations */
.fade-in {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

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