/* 
 * Signifai Main Styles - Premium Edition
 */

@import 'variables.css';

/* ============================================
   NAVIGATION
   ============================================ */

.global-nav {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    padding: 16px 0;
    transition: all var(--transition-smooth);
}

.global-nav.scrolled {
    background: rgba(3, 3, 3, 0.9);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
    padding: 12px 0;
}

.nav-container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    max-width: var(--container-width);
    margin: 0 auto;
    padding: 0 32px;
}

.nav-logo {
    display: flex;
    align-items: center;
    gap: 12px;
}

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

.nav-logo .brand-name {
    font-size: 1.5rem;
    font-weight: 700;
    letter-spacing: -0.02em;
    background: linear-gradient(135deg, #fff 0%, #a1a1aa 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

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

.nav-item {
    position: relative;
}

.nav-link,
.nav-links>a {
    display: flex;
    align-items: center;
    gap: 4px;
    padding: 10px 16px;
    font-size: 0.95rem;
    font-weight: 500;
    color: #A1A1AA;
    border-radius: var(--radius-md);
    transition: all var(--transition-fast);
}

.nav-link:hover,
.nav-links>a:hover {
    color: white;
    background: rgba(255, 255, 255, 0.05);
}

/* Dropdown */
.dropdown-menu {
    position: absolute;
    top: 100%;
    left: 50%;
    transform: translateX(-50%) translateY(10px);
    background: rgba(15, 15, 18, 0.95);
    backdrop-filter: blur(20px);
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-radius: var(--radius-lg);
    padding: 12px;
    min-width: 280px;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.5);
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition-smooth);
}

.nav-item:hover .dropdown-menu {
    opacity: 1;
    visibility: visible;
    transform: translateX(-50%) translateY(4px);
}

.dropdown-menu a {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px 16px;
    border-radius: var(--radius-md);
    color: #A1A1AA;
    font-size: 0.9rem;
    transition: all var(--transition-fast);
}

.dropdown-menu a:hover {
    background: rgba(124, 58, 237, 0.15);
    color: white;
}

.dropdown-menu a::before {
    content: '';
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: var(--accent-primary);
    opacity: 0;
    transition: opacity var(--transition-fast);
}

.dropdown-menu a:hover::before {
    opacity: 1;
}

.nav-actions {
    display: flex;
    align-items: center;
    gap: 12px;
}

/* ============================================
   HERO SECTION
   ============================================ */

.hero-section {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    padding: 120px 0 80px;
    overflow: hidden;
}

.hero-bg {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -1;
}

.hero-bg::before {
    content: '';
    position: absolute;
    top: -50%;
    left: 50%;
    transform: translateX(-50%);
    width: 150%;
    height: 100%;
    background: radial-gradient(ellipse at center, rgba(124, 58, 237, 0.2) 0%, transparent 60%);
    animation: pulse 8s ease-in-out infinite;
}

.hero-bg::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 50%;
    background: linear-gradient(to top, var(--bg-deep), transparent);
}

.hero-content {
    text-align: center;
    max-width: 1000px;
    position: relative;
    z-index: 1;
}

.hero-badge {
    margin-bottom: 32px;
}

.hero-title {
    margin-bottom: 32px;
    opacity: 0;
    animation: fadeInUp 1s cubic-bezier(0.16, 1, 0.3, 1) forwards;
}

.hero-subtitle {
    font-size: 1.375rem;
    color: #A1A1AA;
    max-width: 700px;
    margin: 0 auto 48px;
    line-height: 1.7;
    opacity: 0;
    animation: fadeInUp 1s cubic-bezier(0.16, 1, 0.3, 1) 0.2s forwards;
}

.hero-cta {
    display: flex;
    gap: 16px;
    justify-content: center;
    flex-wrap: wrap;
    opacity: 0;
    animation: fadeInUp 1s cubic-bezier(0.16, 1, 0.3, 1) 0.4s forwards;
}

.hero-note {
    margin-top: 24px;
    font-size: 0.875rem;
    color: #71717A;
    opacity: 0;
    animation: fadeInUp 1s cubic-bezier(0.16, 1, 0.3, 1) 0.6s forwards;
}

/* ============================================
   TRUST BAR / LOGOS
   ============================================ */

.trust-bar {
    padding: 48px 0;
    border-top: 1px solid rgba(255, 255, 255, 0.05);
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
    background: rgba(0, 0, 0, 0.3);
}

.trust-content {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 32px;
}

.trust-label {
    font-size: 0.8rem;
    letter-spacing: 0.15em;
    text-transform: uppercase;
    color: #52525B;
    font-weight: 600;
}

.trust-logos {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 64px;
    flex-wrap: wrap;
}

.trust-logo {
    font-size: 0.85rem;
    font-weight: 700;
    letter-spacing: 0.1em;
    color: #3F3F46;
    text-transform: uppercase;
    display: flex;
    align-items: center;
    gap: 8px;
    transition: color var(--transition-fast);
}

.trust-logo:hover {
    color: #71717A;
}

.trust-logo svg {
    width: 20px;
    height: 20px;
    opacity: 0.5;
}

/* ============================================
   STATS SECTION
   ============================================ */

.stats-section {
    padding: 100px 0;
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 32px;
    max-width: 1000px;
    margin: 0 auto;
}

.stat-item {
    text-align: center;
    padding: 40px 24px;
    border-radius: var(--radius-lg);
    background: linear-gradient(180deg, rgba(255, 255, 255, 0.02) 0%, transparent 100%);
    border: 1px solid rgba(255, 255, 255, 0.04);
    transition: all var(--transition-smooth);
}

.stat-item:hover {
    transform: translateY(-4px);
    border-color: rgba(124, 58, 237, 0.2);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.3);
}

.stat-value {
    font-size: 3.5rem;
    font-weight: 800;
    letter-spacing: -0.03em;
    background: var(--accent-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    margin-bottom: 8px;
}

.stat-label {
    font-size: 0.95rem;
    color: #71717A;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    font-weight: 600;
}

@media (max-width: 1024px) {
    .stats-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 600px) {
    .stats-grid {
        grid-template-columns: 1fr;
    }
}

/* ============================================
   BENTO GRID / FEATURES
   ============================================ */

.features-section {
    padding: var(--section-padding) 0;
}

.bento-grid {
    display: grid;
    grid-template-columns: repeat(12, 1fr);
    grid-auto-rows: minmax(200px, auto);
    gap: 24px;
}

.bento-card {
    background: var(--bg-card);
    border: var(--glass-border);
    border-radius: var(--radius-xl);
    padding: 40px;
    position: relative;
    overflow: hidden;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    transition: all var(--transition-smooth);
}

.bento-card:hover {
    border-color: rgba(124, 58, 237, 0.3);
    transform: translateY(-4px);
    box-shadow: 0 24px 48px rgba(0, 0, 0, 0.4);
}

.bento-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, rgba(124, 58, 237, 0.1) 0%, transparent 50%);
    opacity: 0;
    transition: opacity var(--transition-smooth);
}

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

.card-large {
    grid-column: span 8;
    grid-row: span 2;
    background: linear-gradient(135deg, rgba(20, 16, 30, 0.9) 0%, rgba(10, 10, 15, 0.9) 100%);
}

.card-medium {
    grid-column: span 4;
    grid-row: span 1;
}

.card-content {
    position: relative;
    z-index: 2;
}

.card-icon {
    width: 56px;
    height: 56px;
    border-radius: var(--radius-md);
    background: var(--accent-gradient);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 24px;
    font-size: 1.5rem;
}

.card-content h3 {
    margin-bottom: 12px;
}

.card-content p {
    font-size: 1rem;
    color: #71717A;
}

.card-link {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    margin-top: 24px;
    color: var(--accent-light);
    font-weight: 500;
    font-size: 0.95rem;
}

.card-link:hover {
    color: white;
    gap: 10px;
}

/* Nested Modules inside Bento Card */
.card-nested-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 20px;
    margin-top: 40px;
    text-align: left;
}

.nested-module {
    display: flex;
    flex-direction: column;
    gap: 12px;
    padding: 24px;
    background: rgba(255, 255, 255, 0.02);
    border: 1px solid rgba(255, 255, 255, 0.05);
    border-radius: var(--radius-lg);
    transition: all var(--transition-smooth);
}

.nested-module:hover {
    background: rgba(124, 58, 237, 0.08);
    border-color: rgba(124, 58, 237, 0.2);
    transform: translateY(-4px);
    box-shadow: 0 12px 24px rgba(0, 0, 0, 0.2);
}

.nested-module .module-icon {
    font-size: 1.25rem;
    width: 44px;
    height: 44px;
    background: linear-gradient(135deg, rgba(124, 58, 237, 0.2) 0%, rgba(37, 99, 235, 0.2) 100%);
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 8px;
}

.nested-module h4 {
    font-size: 1.1rem;
    margin-bottom: 2px;
    color: white;
}

.nested-module p {
    font-size: 0.875rem;
    color: #71717A;
    line-height: 1.5;
    margin: 0;
}

.nested-module .module-link {
    font-size: 0.85rem;
    color: var(--accent-light);
    font-weight: 500;
    margin-top: 12px;
}

@media (max-width: 768px) {
    .card-nested-grid {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 1024px) {
    .bento-grid {
        grid-template-columns: 1fr;
    }

    .card-large,
    .card-medium {
        grid-column: span 1;
        grid-row: span 1;
    }
}

/* ============================================
   CTA SECTION
   ============================================ */

.cta-section {
    padding: var(--section-padding) 0;
    background: linear-gradient(180deg, transparent 0%, rgba(124, 58, 237, 0.05) 50%, transparent 100%);
}

.cta-box {
    background: linear-gradient(135deg, rgba(124, 58, 237, 0.15) 0%, rgba(37, 99, 235, 0.08) 100%);
    border: 1px solid rgba(124, 58, 237, 0.2);
    border-radius: var(--radius-xl);
    padding: 80px;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.cta-box::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 200%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.03), transparent);
    animation: shimmer 3s ease-in-out infinite;
}

.cta-box h2 {
    margin-bottom: 24px;
}

.cta-box p {
    margin-bottom: 40px;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

/* ============================================
   FOOTER
   ============================================ */

.global-footer {
    padding: 80px 0 40px;
    background: linear-gradient(180deg, var(--bg-deep) 0%, #000 100%);
    border-top: 1px solid rgba(255, 255, 255, 0.05);
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr repeat(3, 1fr);
    gap: 64px;
    margin-bottom: 64px;
}

.footer-brand p {
    margin-top: 20px;
    font-size: 0.95rem;
    color: #52525B;
    max-width: 320px;
    line-height: 1.7;
}

.footer-col h4 {
    font-size: 0.85rem;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    margin-bottom: 24px;
    color: white;
}

.footer-col a {
    display: block;
    padding: 8px 0;
    color: #71717A;
    font-size: 0.95rem;
    transition: all var(--transition-fast);
}

.footer-col a:hover {
    color: var(--accent-light);
    padding-left: 8px;
}

.footer-badges {
    display: flex;
    gap: 12px;
    flex-wrap: wrap;
    margin-top: 16px;
}

.footer-bottom {
    padding-top: 40px;
    border-top: 1px solid rgba(255, 255, 255, 0.05);
    display: flex;
    justify-content: space-between;
    align-items: center;
    color: #3F3F46;
    font-size: 0.85rem;
}

.footer-legal {
    display: flex;
    gap: 32px;
}

.footer-legal a:hover {
    color: #71717A;
}

@media (max-width: 1024px) {
    .footer-grid {
        grid-template-columns: 1fr 1fr;
    }
}

@media (max-width: 600px) {
    .footer-grid {
        grid-template-columns: 1fr;
    }

    .footer-bottom {
        flex-direction: column;
        gap: 24px;
        text-align: center;
    }
}

/* ============================================
   FEATURE PAGE STYLES
   ============================================ */

.feature-hero {
    padding: 180px 0 100px;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.feature-hero::before {
    content: '';
    position: absolute;
    top: -50%;
    left: 50%;
    transform: translateX(-50%);
    width: 150%;
    height: 100%;
    background: radial-gradient(ellipse at center, var(--hero-glow-color, rgba(124, 58, 237, 0.15)) 0%, transparent 50%);
    pointer-events: none;
}

.feature-hero .container {
    position: relative;
    z-index: 1;
}

.feature-details {
    padding: var(--section-padding) 0;
}

.feature-card {
    padding: 40px;
    background: var(--bg-card);
    border: var(--glass-border);
    border-radius: var(--radius-lg);
    transition: all var(--transition-smooth);
}

.feature-card:hover {
    border-color: rgba(124, 58, 237, 0.3);
    transform: translateY(-4px);
}

.feature-card h3 {
    margin-bottom: 12px;
    font-size: 1.25rem;
}

.feature-card p {
    font-size: 0.95rem;
    color: #71717A;
}