/* Brand Color Palette - NEET.AI */
:root {
    /* Primary Brand Colors */
    --primary: #4F46E5;        /* Indigo - intelligence, innovation, future-focused */
    --secondary: #3B82F6;      /* Sky Blue - clarity, trust, digital feel */

    /* Accent Colors */
    --accent-success: #10B981; /* Emerald Green - growth, achievement */
    --accent-highlight: #FACC15; /* Warm Yellow - positivity, highlight elements */

    /* Neutrals */
    --text-primary: #111827;   /* Charcoal - text, contrast, professionalism */
    --text-muted: #6B7280;     /* Gray for secondary text */
    --bg-light: #F3F4F6;       /* Light Gray - backgrounds, cards, UI sections */
    --white: #FFFFFF;          /* White - clean, spacious layout */

    /* Extended Grays for UI */
    --gray-100: #F3F4F6;
    --gray-200: #E5E7EB;
    --gray-300: #D1D5DB;
    --gray-400: #9CA3AF;
    --gray-500: #6B7280;
    --gray-600: #4B5563;
    --gray-700: #374151;
    --gray-800: #1F2937;

    /* Semantic Colors */
    --success: #10B981;        /* Green for success states */
    --warning: #FACC15;        /* Yellow for warnings */
    --error: #EF4444;          /* Red for errors */
    --info: #3B82F6;           /* Sky Blue for info */
}

/* Base Styles */
* {
    box-sizing: border-box;
}

body {
    font-family: 'Poppins', sans-serif;
    line-height: 1.6;
    color: var(--text-primary);
    background-color: var(--white);
    overflow-x: hidden;
}

h1, h2, h3, h4, h5, h6 {
    font-family: 'Space Grotesk', sans-serif;
    font-weight: 600;
    line-height: 1.3;
}

/* Navigation */
.glass-nav {
    background-color: transparent !important;
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: none;
    transition: all 0.3s ease;
    box-shadow: none;
}

.navbar-brand {
    font-family: 'Space Grotesk', sans-serif;
    font-size: 1.5rem;
    color: #111827 !important;
    text-decoration: none;
}

.brand-icon {
    font-size: 1.8rem;
    margin-right: 0.5rem;
}

.brand-text {
    color: #4F46E5 !important;
    font-weight: 700;
}

.nav-link {
    color: #111827 !important;
    font-weight: 500;
    transition: all 0.3s ease;
    position: relative;
}

.nav-link:hover,
.nav-link:focus {
    color: #4F46E5 !important;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 50%;
    width: 0;
    height: 2px;
    background-color: #4F46E5 !important;
    transition: all 0.3s ease;
    transform: translateX(-50%);
}

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

/* Buttons */
.btn {
    font-weight: 500;
    border-radius: 50px;
    padding: 0.75rem 1.5rem;
    border: none;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

/* Primary Action Buttons - Emerald Green */
.btn-primary {
    background-color: var(--accent-success) !important;
    border-color: var(--accent-success) !important;
    color: var(--white) !important;
    box-shadow: 0 4px 14px rgba(16, 185, 129, 0.25);
}

.btn-primary:hover,
.btn-primary:focus,
.btn-primary:active {
    background-color: #059669 !important;
    border-color: #059669 !important;
    color: var(--white) !important;
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(16, 185, 129, 0.35) !important;
}

/* Secondary/Highlight Action Buttons - Warm Yellow */
.btn-secondary {
    background-color: var(--accent-highlight) !important;
    border-color: var(--accent-highlight) !important;
    color: var(--text-primary) !important;
    box-shadow: 0 4px 14px rgba(250, 204, 21, 0.25);
}

.btn-secondary:hover,
.btn-secondary:focus,
.btn-secondary:active {
    background-color: #F59E0B !important;
    border-color: #F59E0B !important;
    color: var(--text-primary) !important;
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(250, 204, 21, 0.35) !important;
}

/* Outline Buttons */
.btn-outline-primary {
    background-color: transparent !important;
    color: var(--accent-success) !important;
    border: 2px solid var(--accent-success) !important;
}

.btn-outline-primary:hover,
.btn-outline-primary:focus,
.btn-outline-primary:active {
    background-color: var(--accent-success) !important;
    border-color: var(--accent-success) !important;
    color: var(--white) !important;
    transform: translateY(-2px);
}

.btn-outline-secondary {
    background-color: transparent;
    color: var(--accent-highlight);
    border: 2px solid var(--accent-highlight);
}

.btn-outline-secondary:hover {
    background-color: var(--accent-highlight);
    color: var(--text-primary);
    transform: translateY(-2px);
}

.btn-outline-dark {
    background-color: transparent;
    color: var(--text-primary);
    border: 2px solid var(--text-primary);
}

.btn-outline-dark:hover {
    background-color: var(--text-primary);
    color: var(--white);
    transform: translateY(-2px);
}

/* Hero Section */
.hero-section {
    min-height: 100vh;
    background-image: url('../img/hero-section.jpeg');
    background-size: cover;
    background-position: center center;
    background-repeat: no-repeat;
    background-attachment: fixed;
    position: relative;
    padding-top: 80px;
}

.hero-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-color: rgba(255, 255, 255, 0.8);
    z-index: 1;
}

.hero-section .container-fluid {
    position: relative;
    z-index: 2;
}

.hero-title {
    font-size: 3.5rem;
    font-weight: 800;
    color: var(--primary);
    line-height: 1.1;
}

.hero-subtitle {
    font-size: 1.25rem;
    color: var(--secondary);
    max-width: 500px;
}

.launch-badge .badge {
    background-color: var(--primary);
    color: var(--white);
    font-size: 0.9rem;
    font-weight: 500;
}

.hero-stats .stat-item {
    text-align: center;
}

.stat-number {
    font-size: 1.1rem;
    font-weight: 600;
}

.stat-label {
    font-size: 0.85rem;
    color: var(--text-muted);
}

/* Floating Cards Animation */
.hero-visual {
    position: relative;
    height: 600px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.floating-cards {
    position: absolute;
    width: 100%;
    height: 100%;
    pointer-events: none;
}

.floating-card {
    position: absolute;
    width: 180px;
    border: none;
    border-radius: 20px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
    animation: float 6s ease-in-out infinite;
    pointer-events: auto;
}

.card-1 {
    top: 5%;
    left: 5%;
    animation-delay: 0s;
}

.card-2 {
    top: 15%;
    right: 5%;
    animation-delay: 1s;
}

.card-3 {
    bottom: 25%;
    left: 2%;
    animation-delay: 2s;
}

.card-4 {
    bottom: 5%;
    right: 8%;
    animation-delay: 3s;
}

.hero-main-card {
    position: relative;
    width: 320px;
    z-index: 10;
    margin: 0 auto;
}

.avatar {
    width: 40px;
    height: 40px;
}

@keyframes float {
    0%, 100% {
        transform: translateY(0px);
    }
    50% {
        transform: translateY(-20px);
    }
}

/* Features Section */
.features-section {
    background-color: var(--white);
}

.section-title {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--primary);
    margin-bottom: 1rem;
}

.section-subtitle {
    font-size: 1.1rem;
    color: var(--text-muted);
    max-width: 600px;
    margin: 0 auto;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
}

.feature-card {
    background-color: var(--white);
    border-radius: 20px;
    padding: 2rem;
    border: 1px solid var(--gray-200);
    transition: all 0.3s ease;
    position: relative;
}

.feature-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.1);
    border-color: var(--primary);
}

.feature-icon {
    width: 60px;
    height: 60px;
    border-radius: 15px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 1.5rem;
    font-size: 1.5rem;
    color: var(--white);
}

.feature-icon.bg-primary { background-color: var(--primary); }
.feature-icon.bg-success { background-color: var(--accent-success); }
.feature-icon.bg-warning { background-color: var(--accent-highlight); }
.feature-icon.bg-info { background-color: var(--secondary); }
.feature-icon.bg-danger { background-color: var(--error); }
.feature-icon.bg-dark { background-color: var(--text-primary); }

.feature-title {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 1rem;
}

.feature-description {
    color: var(--text-muted);
    margin-bottom: 1.5rem;
    line-height: 1.6;
}

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

.feature-list li {
    padding: 0.25rem 0;
    color: var(--text-muted);
    font-size: 0.9rem;
}

/* Pricing Section */
.pricing-section {
    background-color: var(--bg-light);
}

.pricing-cards {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
    max-width: 1000px;
    margin-left: auto;
    margin-right: auto;
}

.pricing-card {
    background-color: var(--white);
    border-radius: 20px;
    border: 1px solid var(--gray-200);
    overflow: hidden;
    transition: all 0.3s ease;
    position: relative;
}

.pricing-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.1);
}

.pricing-card.featured {
    border-color: var(--primary);
    box-shadow: 0 10px 30px rgba(79, 70, 229, 0.15);
    transform: scale(1.05);
}

.popular-badge {
    position: absolute;
    top: -1px;
    left: 50%;
    transform: translateX(-50%);
    background-color: var(--primary);
    color: var(--white);
    padding: 0.5rem 1.5rem;
    border-radius: 0 0 15px 15px;
    font-size: 0.85rem;
    font-weight: 600;
    z-index: 10;
}

.pricing-header {
    padding: 2rem 2rem 1rem;
    text-align: center;
}

.plan-name {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--text-primary);
}

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

.pricing-body {
    padding: 0 2rem 2rem;
}

.price {
    text-align: center;
    margin-bottom: 2rem;
}

.currency {
    font-size: 1.2rem;
    font-weight: 600;
    color: var(--text-muted);
}

.amount {
    font-size: 3rem;
    font-weight: 800;
    color: var(--text-primary);
    margin: 0 0.25rem;
}

.period {
    font-size: 1rem;
    color: var(--text-muted);
}

.price-note {
    text-align: center;
    color: var(--accent-success);
    font-size: 0.9rem;
    font-weight: 500;
    margin-bottom: 1.5rem;
}

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

.features-list li {
    padding: 0.5rem 0;
    color: var(--text-primary);
    font-size: 0.9rem;
    display: flex;
    align-items: center;
}

.pricing-footer {
    padding: 0 2rem 2rem;
}

/* Timeline Section */
.roadmap-section {
    background-color: var(--gray-100);
}

.timeline {
    position: relative;
    max-width: 800px;
    margin: 0 auto;
    padding: 2rem 0;
}

.timeline::before {
    content: '';
    position: absolute;
    left: 50%;
    top: 0;
    bottom: 0;
    width: 2px;
    background-color: var(--gray-300);
    transform: translateX(-50%);
}

.timeline-item {
    position: relative;
    margin-bottom: 3rem;
    display: flex;
    align-items: center;
}

.timeline-item:nth-child(odd) {
    flex-direction: row-reverse;
}

.timeline-marker {
    width: 20px;
    height: 20px;
    border-radius: 50%;
    background-color: var(--gray-300);
    border: 4px solid var(--white);
    position: absolute;
    left: 50%;
    transform: translateX(-50%);
    z-index: 10;
}

.timeline-item.completed .timeline-marker {
    background-color: var(--accent-success);
}

.timeline-item.active .timeline-marker {
    background-color: var(--primary);
    box-shadow: 0 0 0 4px rgba(79, 70, 229, 0.2);
}

.timeline-content {
    background-color: var(--white);
    border-radius: 15px;
    padding: 1.5rem;
    border: 1px solid var(--gray-200);
    width: calc(50% - 30px);
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
}

.timeline-title {
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 0.5rem;
}

.timeline-description {
    color: var(--text-muted);
    margin-bottom: 0.5rem;
    font-size: 0.9rem;
}

.timeline-date {
    color: var(--primary);
    font-weight: 500;
    font-size: 0.85rem;
}

/* Notification Section */
.notify-section {
    background-color: var(--white);
}

.notify-card {
    background-color: var(--bg-light);
    border-radius: 20px;
    padding: 3rem;
    border: 1px solid var(--gray-200);
}

.notify-form .form-control {
    border: 1px solid var(--gray-300);
    background-color: var(--white);
    font-size: 1rem;
    padding: 1rem 1.5rem;
}

.notify-form .form-control:focus {
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(79, 70, 229, 0.1);
}

.benefit-item {
    display: flex;
    align-items: center;
    font-size: 0.9rem;
    color: var(--text-muted);
}

/* Footer */
.footer {
    background-color: var(--text-primary);
    color: var(--gray-300);
}

.footer-brand {
    display: flex;
    align-items: center;
}

.footer .text-muted {
    color: var(--gray-400) !important;
}

.footer-title {
    color: var(--white);
    font-weight: 600;
    margin-bottom: 1rem;
}

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

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

.footer-links a {
    color: var(--gray-400);
    text-decoration: none;
    font-size: 0.9rem;
    transition: color 0.3s ease;
}

.footer-links a:hover {
    color: #4F46E5;
}

.footer .text-center .text-muted {
    color: var(--gray-400) !important;
}

.social-links {
    display: flex;
    gap: 1rem;
}

.social-link {
    width: 40px;
    height: 40px;
    background-color: var(--gray-700);
    color: var(--gray-300);
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    text-decoration: none;
    transition: all 0.3s ease;
}

.social-link:hover {
    background-color: var(--primary);
    color: var(--white);
    transform: translateY(-2px);
}

/* Responsive Design */
@media (max-width: 992px) {
    .hero-title {
        font-size: 2.5rem;
    }

    .features-grid {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }

    .pricing-cards {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }

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

    .timeline::before {
        left: 20px;
    }

    .timeline-item {
        flex-direction: row;
        padding-left: 50px;
    }

    .timeline-item:nth-child(odd) {
        flex-direction: row;
    }

    .timeline-marker {
        left: 20px;
    }

    .timeline-content {
        width: 100%;
    }
}

@media (max-width: 768px) {
    .hero-title {
        font-size: 2rem;
    }

    .hero-subtitle {
        font-size: 1.1rem;
    }

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

    .hero-visual {
        height: 400px;
        margin-top: 2rem;
    }

    .floating-cards {
        display: none; /* Hide floating cards on mobile for cleaner look */
    }

    .hero-main-card {
        width: 100%;
        max-width: 300px;
        position: static;
        margin: 2rem auto 0;
    }

    .notify-card {
        padding: 2rem;
    }

    .hero-section .col-lg-6.order-lg-2.order-1 {
        margin-bottom: 2rem;
    }
}

@media (max-width: 992px) and (min-width: 769px) {
    .floating-card {
        width: 160px;
    }

    .hero-main-card {
        width: 280px;
    }

    .hero-visual {
        height: 500px;
    }

    .card-1 {
        top: 8%;
        left: 8%;
    }

    .card-2 {
        top: 18%;
        right: 8%;
    }

    .card-3 {
        bottom: 28%;
        left: 5%;
    }

    .card-4 {
        bottom: 8%;
        right: 12%;
    }
}

/* Utility Classes */
.text-primary { color: var(--primary) !important; }
.text-secondary { color: var(--secondary) !important; }
.text-success { color: var(--accent-success) !important; }
.text-warning { color: var(--accent-highlight) !important; }
.text-info { color: var(--secondary) !important; }
.text-danger { color: var(--error) !important; }

.bg-primary { background-color: var(--primary) !important; }
.bg-secondary { background-color: var(--secondary) !important; }
.bg-success { background-color: var(--accent-success) !important; }
.bg-warning { background-color: var(--accent-highlight) !important; }
.bg-info { background-color: var(--secondary) !important; }
.bg-danger { background-color: var(--error) !important; }

/* Smooth scrolling */
html {
    scroll-behavior: smooth;
}

/* Custom animations */
.fade-in {
    animation: fadeIn 0.6s ease-in;
}

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Bootstrap Override - Ensure Brand Colors Always Apply */
.btn-primary,
.btn-primary:hover,
.btn-primary:focus,
.btn-primary:active,
.btn-primary.active,
.btn-primary:visited {
    background-color: #10B981 !important;
    border-color: #10B981 !important;
    color: #FFFFFF !important;
}

.btn-primary:hover,
.btn-primary:focus,
.btn-primary:active {
    background-color: #059669 !important;
    border-color: #059669 !important;
    color: #FFFFFF !important;
}

.badge.bg-primary {
    background-color: #4F46E5 !important;
}

.text-primary {
    color: #4F46E5 !important;
}

.bg-primary {
    background-color: #4F46E5 !important;
}

/* Navbar specific overrides */
.navbar .btn-primary {
    background-color: #10B981 !important;
    border-color: #10B981 !important;
    color: #FFFFFF !important;
    font-weight: 600;
}

.navbar .btn-primary:hover,
.navbar .btn-primary:focus {
    background-color: #059669 !important;
    border-color: #059669 !important;
    color: #FFFFFF !important;
}

/* Ensure navbar stays themed on scroll */
.navbar.scrolled {
    background-color: transparent !important;
    box-shadow: none !important;
}