/* ==========================================
   SBS AI - Custom Styles
   Blue Theme with Modern Design
   ========================================== */

/* ==========================================
   CSS Variables & Design Tokens
   ========================================== */
:root {
    /* Blue Theme Colors */
    --primary-blue: #0066FF;
    --primary-blue-dark: #0052CC;
    --primary-blue-light: #3385FF;
    --accent-blue: #00D4FF;
    --accent-cyan: #00F5FF;

    /* Gradient Colors */
    --gradient-primary: linear-gradient(135deg, #0066FF 0%, #00D4FF 100%);
    --gradient-secondary: linear-gradient(135deg, #1a1a2e 0%, #16213e 100%);
    --gradient-card: linear-gradient(135deg, rgba(0, 102, 255, 0.1) 0%, rgba(0, 212, 255, 0.1) 100%);

    /* Dark Theme Colors */
    --bg-dark: #0a0e27;
    --bg-dark-secondary: #121633;
    --bg-dark-tertiary: #1a1f3a;
    --bg-card: rgba(26, 31, 58, 0.8);

    /* Text Colors */
    --text-primary: #ffffff;
    --text-secondary: #b8c5d6;
    --text-muted: #7a8ba3;

    /* Typography */
    --font-primary: 'Inter', sans-serif;
    --font-heading: 'Space Grotesk', sans-serif;

    /* Spacing */
    --section-padding: 100px;
    --card-padding: 30px;

    /* Effects */
    --shadow-sm: 0 2px 10px rgba(0, 102, 255, 0.1);
    --shadow-md: 0 8px 30px rgba(0, 102, 255, 0.2);
    --shadow-lg: 0 20px 60px rgba(0, 102, 255, 0.3);
    --shadow-glow: 0 0 40px rgba(0, 212, 255, 0.4);

    /* Transitions */
    --transition-fast: 0.2s ease;
    --transition-normal: 0.3s ease;
    --transition-slow: 0.5s ease;
}

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

body {
    font-family: var(--font-primary);
    background: var(--bg-dark);
    color: var(--text-primary);
    overflow-x: hidden;
    line-height: 1.6;
}

html {
    scroll-behavior: smooth;
}

/* ==========================================
   Typography
   ========================================== */
h1,
h2,
h3,
h4,
h5,
h6 {
    font-family: var(--font-heading);
    font-weight: 700;
    line-height: 1.2;
}

.gradient-text {
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* ==========================================
   Navigation
   ========================================== */
#mainNav {
    background: rgba(10, 14, 39, 0.95);
    backdrop-filter: blur(10px);
    padding: 20px 0;
    transition: all var(--transition-normal);
    box-shadow: 0 2px 20px rgba(0, 0, 0, 0.3);
}

#mainNav.scrolled {
    padding: 10px 0;
    background: rgba(10, 14, 39, 0.98);
}

.navbar-brand {
    font-family: var(--font-heading);
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--text-primary) !important;
    transition: all var(--transition-fast);
}

.navbar-brand i {
    color: var(--accent-cyan);
    margin-right: 8px;
}

.navbar-brand .navbar-logo {
    height: 32px;
    width: 32px;
    margin-right: 10px;
    vertical-align: middle;
    transition: all var(--transition-fast);
}

.navbar-brand:hover .navbar-logo {
    transform: rotate(360deg) scale(1.1);
}

.navbar-brand:hover {
    transform: translateY(-2px);
}

.nav-link {
    color: var(--text-secondary) !important;
    font-weight: 500;
    margin: 0 10px;
    transition: all var(--transition-fast);
    position: relative;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 50%;
    transform: translateX(-50%);
    width: 0;
    height: 2px;
    background: var(--gradient-primary);
    transition: width var(--transition-normal);
}

.nav-link:hover {
    color: var(--accent-cyan) !important;
}

.nav-link:hover::after {
    width: 80%;
}

.btn-get-started {
    background: var(--gradient-primary);
    color: var(--text-primary) !important;
    padding: 8px 24px !important;
    border-radius: 25px;
    margin-left: 10px;
}

.btn-get-started::after {
    display: none;
}

.btn-get-started:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-glow);
}

/* ==========================================
   Hero Section
   ========================================== */
.hero-section {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    overflow: hidden;
    padding-top: 80px;
}

.hero-background {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: radial-gradient(circle at 20% 50%, rgba(0, 102, 255, 0.15) 0%, transparent 50%),
        radial-gradient(circle at 80% 80%, rgba(0, 212, 255, 0.15) 0%, transparent 50%);
    z-index: 0;
}

.hero-content {
    position: relative;
    z-index: 1;
    animation: fadeInUp 1s ease;
}

.hero-badge {
    display: inline-block;
    animation: float 3s ease-in-out infinite;
}

.badge-text {
    background: var(--gradient-card);
    border: 1px solid rgba(0, 212, 255, 0.3);
    padding: 8px 20px;
    border-radius: 30px;
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--accent-cyan);
}

.hero-title {
    font-size: 3.5rem;
    font-weight: 800;
    color: var(--text-primary);
    margin-bottom: 1.5rem;
    animation: fadeInUp 1s ease 0.2s both;
}

.hero-subtitle {
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--text-secondary);
    animation: fadeInUp 1s ease 0.4s both;
}

.hero-description {
    font-size: 1.1rem;
    color: var(--text-muted);
    max-width: 600px;
    animation: fadeInUp 1s ease 0.6s both;
}

.hero-buttons {
    animation: fadeInUp 1s ease 0.8s both;
}

.btn-primary {
    background: var(--gradient-primary);
    border: none;
    padding: 12px 32px;
    font-weight: 600;
    border-radius: 30px;
    transition: all var(--transition-normal);
}

.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-glow);
}

.btn-outline-light {
    border: 2px solid rgba(255, 255, 255, 0.3);
    padding: 12px 32px;
    font-weight: 600;
    border-radius: 30px;
    transition: all var(--transition-normal);
}

.btn-outline-light:hover {
    background: rgba(255, 255, 255, 0.1);
    border-color: var(--accent-cyan);
    transform: translateY(-3px);
}

/* Hero Visual */
.hero-visual {
    position: relative;
    height: 500px;
    animation: fadeIn 1s ease 1s both;
}

.floating-card {
    position: absolute;
    background: var(--bg-card);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(0, 212, 255, 0.2);
    border-radius: 20px;
    padding: 20px 30px;
    display: flex;
    align-items: center;
    gap: 15px;
    box-shadow: var(--shadow-md);
    transition: all var(--transition-normal);
}

.floating-card i {
    font-size: 2rem;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.floating-card span {
    font-weight: 600;
    font-size: 1.1rem;
}

.floating-card:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-glow);
}

.card-1 {
    top: 10%;
    left: 10%;
    animation: float 4s ease-in-out infinite;
}

.card-2 {
    top: 30%;
    right: 5%;
    animation: float 4s ease-in-out infinite 1s;
}

.card-3 {
    bottom: 30%;
    left: 5%;
    animation: float 4s ease-in-out infinite 2s;
}

.card-4 {
    bottom: 10%;
    right: 15%;
    animation: float 4s ease-in-out infinite 3s;
}

.scroll-indicator {
    position: absolute;
    bottom: 30px;
    left: 50%;
    transform: translateX(-50%);
    z-index: 1;
}

.scroll-indicator a {
    color: var(--accent-cyan);
    font-size: 2rem;
    animation: bounce 2s infinite;
}

/* ==========================================
   Section Styles
   ========================================== */
section {
    padding: var(--section-padding) 0;
    position: relative;
}

.section-header {
    margin-bottom: 60px;
}

.section-title {
    font-size: 2.5rem;
    font-weight: 800;
    margin-bottom: 15px;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.section-subtitle {
    font-size: 1.2rem;
    color: var(--text-secondary);
}

/* ==========================================
   Pillars Section
   ========================================== */
.pillars-section {
    background: var(--bg-dark-secondary);
}

.pillar-card {
    background: var(--bg-card);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(0, 212, 255, 0.2);
    border-radius: 20px;
    padding: var(--card-padding);
    height: 100%;
    transition: all var(--transition-normal);
    position: relative;
    overflow: hidden;
}

.pillar-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 4px;
    background: var(--gradient-primary);
    transform: scaleX(0);
    transition: transform var(--transition-normal);
}

.pillar-card:hover::before {
    transform: scaleX(1);
}

.pillar-card:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-glow);
    border-color: var(--accent-cyan);
}

.pillar-icon {
    width: 70px;
    height: 70px;
    background: var(--gradient-primary);
    border-radius: 15px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 20px;
    font-size: 2rem;
    color: white;
}

.pillar-card h3 {
    font-size: 1.5rem;
    margin-bottom: 15px;
    color: var(--text-primary);
}

.pillar-card p {
    color: var(--text-secondary);
    margin: 0;
}

/* ==========================================
   Agents Section
   ========================================== */
.agents-section {
    background: var(--bg-dark);
}

.agent-card {
    background: var(--bg-card);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(0, 212, 255, 0.2);
    border-radius: 20px;
    padding: var(--card-padding);
    height: 100%;
    transition: all var(--transition-normal);
    position: relative;
}

.agent-number {
    position: absolute;
    top: 20px;
    right: 20px;
    width: 40px;
    height: 40px;
    background: var(--gradient-primary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 1.2rem;
}

.agent-icon {
    width: 70px;
    height: 70px;
    background: linear-gradient(135deg, rgba(0, 102, 255, 0.2) 0%, rgba(0, 212, 255, 0.2) 100%);
    border: 2px solid var(--primary-blue);
    border-radius: 15px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 20px;
    font-size: 2rem;
    color: var(--accent-cyan);
}

.agent-card h3 {
    font-size: 1.4rem;
    margin-bottom: 20px;
    color: var(--text-primary);
}

.agent-features {
    list-style: none;
    padding: 0;
    margin: 0;
}

.agent-features li {
    padding: 10px 0;
    color: var(--text-secondary);
    display: flex;
    align-items: center;
    gap: 10px;
}

.agent-features i {
    color: var(--accent-cyan);
    font-size: 1rem;
}

.agent-card:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-glow);
    border-color: var(--accent-cyan);
}

/* ==========================================
   Architecture Section
   ========================================== */
.architecture-section {
    background: var(--bg-dark-secondary);
}

.architecture-layer {
    background: var(--bg-card);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(0, 212, 255, 0.2);
    border-radius: 20px;
    padding: var(--card-padding);
    height: 100%;
    transition: all var(--transition-normal);
}

.layer-header {
    display: flex;
    align-items: center;
    gap: 15px;
    margin-bottom: 25px;
    padding-bottom: 20px;
    border-bottom: 2px solid rgba(0, 212, 255, 0.2);
}

.layer-header i {
    font-size: 2.5rem;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.layer-header h3 {
    font-size: 1.5rem;
    margin: 0;
    color: var(--text-primary);
}

.layer-list {
    list-style: none;
    padding: 0;
    margin: 0;
}

.layer-list li {
    padding: 12px 0;
    color: var(--text-secondary);
    position: relative;
    padding-left: 25px;
}

.layer-list li::before {
    content: '▸';
    position: absolute;
    left: 0;
    color: var(--accent-cyan);
    font-weight: 700;
}

.architecture-layer:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-glow);
    border-color: var(--accent-cyan);
}

/* ==========================================
   Use Cases Section
   ========================================== */
.use-cases-section {
    background: var(--bg-dark);
}

.use-case-card {
    background: var(--bg-card);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(0, 212, 255, 0.2);
    border-radius: 20px;
    padding: var(--card-padding);
    text-align: center;
    height: 100%;
    transition: all var(--transition-normal);
}

.use-case-card i {
    font-size: 3rem;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 20px;
    display: block;
}

.use-case-card h3 {
    font-size: 1.3rem;
    margin-bottom: 15px;
    color: var(--text-primary);
}

.use-case-card p {
    color: var(--text-secondary);
    margin: 0;
}

.use-case-card:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-glow);
    border-color: var(--accent-cyan);
}

/* ==========================================
   CTA Section
   ========================================== */
.cta-section {
    background: var(--gradient-secondary);
    position: relative;
    overflow: hidden;
}

.cta-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: radial-gradient(circle at 50% 50%, rgba(0, 212, 255, 0.1) 0%, transparent 70%);
}

.cta-content {
    position: relative;
    z-index: 1;
    padding: 60px 0;
}

.cta-title {
    font-size: 2.5rem;
    font-weight: 800;
    color: var(--text-primary);
}

.cta-subtitle {
    font-size: 1.2rem;
    color: var(--text-secondary);
}

/* ==========================================
   Footer
   ========================================== */
.footer {
    background: var(--bg-dark-secondary);
    border-top: 1px solid rgba(0, 212, 255, 0.1);
}

.footer-brand {
    font-family: var(--font-heading);
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--text-primary);
}

.footer-brand i {
    color: var(--accent-cyan);
}

.footer-description {
    color: var(--text-secondary);
    max-width: 300px;
}

.footer-heading {
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 20px;
    font-size: 1.1rem;
}

.footer-links {
    list-style: none;
    padding: 0;
    margin: 0;
}

.footer-links li {
    margin-bottom: 10px;
}

.footer-links a {
    color: var(--text-secondary);
    text-decoration: none;
    transition: all var(--transition-fast);
}

.footer-links a:hover {
    color: var(--accent-cyan);
    padding-left: 5px;
}

.footer-divider {
    border-color: rgba(0, 212, 255, 0.1);
    margin: 30px 0;
}

.footer-copyright {
    color: var(--text-muted);
}

.social-links a {
    display: inline-block;
    width: 40px;
    height: 40px;
    background: rgba(0, 212, 255, 0.1);
    border: 1px solid rgba(0, 212, 255, 0.2);
    border-radius: 50%;
    text-align: center;
    line-height: 40px;
    color: var(--accent-cyan);
    margin-left: 10px;
    transition: all var(--transition-fast);
}

.social-links a:hover {
    background: var(--gradient-primary);
    color: white;
    transform: translateY(-3px);
    box-shadow: var(--shadow-md);
}

/* ==========================================
   Animations
   ========================================== */
@keyframes fadeIn {
    from {
        opacity: 0;
    }

    to {
        opacity: 1;
    }
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes float {

    0%,
    100% {
        transform: translateY(0);
    }

    50% {
        transform: translateY(-20px);
    }
}

@keyframes bounce {

    0%,
    20%,
    50%,
    80%,
    100% {
        transform: translateY(0);
    }

    40% {
        transform: translateY(-10px);
    }

    60% {
        transform: translateY(-5px);
    }
}

/* ==========================================
   Responsive Design
   ========================================== */
@media (max-width: 991px) {
    .hero-title {
        font-size: 2.5rem;
    }

    .hero-subtitle {
        font-size: 1.2rem;
    }

    .hero-visual {
        display: none;
    }

    .section-title {
        font-size: 2rem;
    }

    :root {
        --section-padding: 60px;
    }
}

@media (max-width: 767px) {
    .hero-title {
        font-size: 2rem;
    }

    .hero-subtitle {
        font-size: 1rem;
    }

    .hero-description {
        font-size: 1rem;
    }

    .section-title {
        font-size: 1.8rem;
    }

    .cta-title {
        font-size: 2rem;
    }

    .btn-lg {
        padding: 10px 24px !important;
        font-size: 0.9rem;
    }

    .hero-buttons .btn {
        display: block;
        width: 100%;
        margin: 10px 0 !important;
    }

    :root {
        --section-padding: 40px;
        --card-padding: 20px;
    }
}