@import url('https://fonts.googleapis.com/css2?family=Plus+Jakarta+Sans:ital,wght@0,300..800;1,300..800&family=Inter:wght@300..800&display=swap');

:root {
    --light-gray: #f8f9fa;
    --medium-gray: #e9ecef;
    --dark-gray: #1e293b; /* Sleek, softer Slate 800 instead of harsh dark black */
    --blue: #3855BE;
    --dark-blue: #2F48A0;
    --hot-pink: #ff0066;
    --soft-blue: #eef2ff;
    --border-radius: 12px;
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

html {
    scroll-behavior: smooth;
    scroll-padding-top: 70px;
}

body {
    line-height: 1.7;
    font-size: 1.05rem;
    margin: 0;
    height: 100%;
    color: var(--dark-gray);
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
    -webkit-font-smoothing: antialiased;
}

h1, h2, h3, h4, h5, h6 {
    font-family: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
    font-weight: 800;
    line-height: 1.15;
    margin-bottom: 1.5rem;
    color: var(--dark-gray);
    letter-spacing: -0.03em;
}

h1 { font-size: 3.75rem; }
h2 { font-size: 2.5rem; }
h3 { font-size: 1.65rem; }

/* Hack to prevent page from scrolling sideways in Bootstrap 5.3 */
.row {
    --bs-gutter-x: 1.5rem;
}

.navbar {
    padding: 0.5rem 8%;
    width: 100%;
    position: fixed;
    background-color: rgba(255, 255, 255, 0.9) !important;
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--medium-gray);
    z-index: 1000;
    top: 0;
    min-height: 70px;
}

.navbar-branding-text {
    background: linear-gradient(to right, var(--blue), var(--hot-pink));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    color: transparent;
    font-size: 28px;
    font-weight: 800;
    letter-spacing: -0.5px;
    display: inline-block;
}

.navbar-logo-image {
    height: 48px;
}

.navbar-link {
    color: var(--dark-gray);
    text-decoration: none;
    font-weight: 600; /* Bolder text to make links pop */
    font-size: 1.05rem; /* Larger font size, was 0.95rem */
    transition: var(--transition);
    display: block;
    padding: 0.5rem 0;
}

.navbar-link:hover {
    color: var(--blue);
    transform: translateY(-2px) scale(1.03); /* Shift up and scale on hover */
}

@media (min-width: 992px) {
    .navbar-collapse {
        height: 70px !important;
        display: flex !important;
        align-items: center !important;
        justify-content: flex-end !important;
    }

    .navbar-nav {
        display: flex !important;
        align-items: center !important;
        flex-direction: row !important;
        height: 70px !important;
        margin: 0 !important;
    }

    .navbar-nav > li {
        display: flex !important;
        align-items: center !important;
        height: 100% !important;
    }

    .navbar-link {
        display: flex !important;
        align-items: center !important;
        height: 100% !important;
        padding: 0 1.25rem !important;
    }
}

.navbar-link.login-link {
    color: var(--dark-gray);
}

.navbar-nav .basic-button {
    padding: 0.6rem 1.5rem;
    font-size: 0.95rem;
    font-weight: 600;
}

.site-content {
    padding-top: 70px;
}

#landing-page-home {
    padding: 120px 0 100px;
    background: radial-gradient(circle at top right, #e2e8f0, transparent), #f8f9fa;
    min-height: 80vh;
    display: flex;
    align-items: center;
}

.hero-header {
    font-size: 5rem;
    text-align: center;
    font-weight: 700;
    line-height: 1.1;
    letter-spacing: -0.04em;
    margin-bottom: 2rem;
    padding-bottom: 0.1em;
    background: linear-gradient(90deg,rgba(72, 72, 84, 1) 20%, rgba(173, 140, 255, 1) 49%, rgba(64, 67, 245, 1) 80%); 
    -webkit-background-clip: text !important;
    -webkit-text-fill-color: transparent !important;
    background-clip: text !important;
    color: transparent !important;
    display: block;
    background-size: 200% auto !important;
    animation: gradient-shift 8s ease infinite;
}

.hero-highlight-text {
    display: block;
}

.feature-card.reveal.active {
}

.description-text {
    text-align: center;
    font-size: 1.35rem;
    color: #4b5563;
    max-width: 900px;
    margin: 0 auto 3rem;
    line-height: 1.6;
}

.hero_buttons {
    display: flex;
    justify-content: center;
    gap: 1.5rem;
}

.basic-button {
    display: inline-flex;
    align-items: center;
    padding: 1.1rem 2.75rem;
    font-size: 1.15rem;
    font-weight: 600;
    border-radius: 50px;
    transition: var(--transition);
    text-decoration: none;
    cursor: pointer;
    border: 1.5px solid var(--medium-gray);
    background: white;
    color: var(--dark-gray);
}

.login-navbar-button {
    background: transparent !important;
    color: var(--blue) !important;
    border: 1.5px solid var(--blue) !important;
    box-shadow: 0 4px 14px rgba(56, 85, 190, 0.25) !important;
}

.login-navbar-button:hover {
    background: rgba(56, 85, 190, 0.05) !important;
    color: var(--dark-blue) !important;
    box-shadow: 0 12px 30px rgba(56, 85, 190, 0.4) !important;
    transform: translateY(-5px) scale(1.02) !important;
}

.blue-button {
    background: var(--blue);
    color: white !important;
    border: 1.5px solid var(--blue);
    box-shadow: 0 4px 14px rgba(56, 85, 190, 0.25);
}

.blue-button:hover {
    background-color: #2F48A0 !important;
    border-color: #2F48A0 !important;
    box-shadow: 0 12px 30px rgba(56, 85, 190, 0.4) !important;
    color: white !important;
    transform: translateY(-5px) scale(1.02) !important;
}

.border-blue-button {
    border: 2px solid var(--blue) !important;
    color: var(--blue) !important;
    background: transparent !important;
    box-shadow: 0 4px 14px rgba(56, 85, 190, 0.15) !important;
}

.border-blue-button:hover {
    background: rgba(56, 85, 190, 0.05) !important;
    box-shadow: 0 12px 30px rgba(56, 85, 190, 0.25) !important;
    transform: translateY(-5px) scale(1.02) !important;
}

.basic-button:hover {
    transform: translateY(-5px) scale(1.02);
    box-shadow: 0 15px 35px rgba(0,0,0,0.1);
    background: #fdfdfd;
}

/* Abstract Asymmetric Background */
#landing-page-home::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-image: url('/static/homepage/images/animations/hero_abstract.svg');
    background-size: cover;
    background-position: center 70%;
    opacity: 0.6;
    pointer-events: none;
    z-index: 1;
    -webkit-mask-image: linear-gradient(to bottom, transparent 0%, black 15%, black 85%, transparent 100%);
    mask-image: linear-gradient(to bottom, transparent 0%, black 15%, black 85%, transparent 100%);
}

/* Technical Topography - Refined */
#landing-page-home::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-image: url('/static/homepage/images/animations/hero_topography.svg');
    background-size: cover;
    background-position: center 70%;
    opacity: 0.4;
    z-index: 0;
    animation: slow-drift 15s linear infinite;
    -webkit-mask-image: linear-gradient(to bottom, transparent 0%, black 15%, black 85%, transparent 100%);
    mask-image: linear-gradient(to bottom, transparent 0%, black 15%, black 85%, transparent 100%);
}

@keyframes slow-drift {
    from { background-position: 0% 70%; }
    to { background-position: 100% 70%; }
}

/* Enhanced Feature & Pricing Card - Stripe Style */
.feature-card, .pricing-card {
    background: white;
    padding: 3.5rem 2.5rem;
    border-radius: 24px;
    transition: all 0.6s cubic-bezier(0.16, 1, 0.3, 1);
    height: 100%;
    position: relative;
    overflow: hidden;
    box-shadow: 0 2px 4px rgba(0,0,0,0.02), 0 1px 0 rgba(0,0,0,0.02);
}

.feature-card {
    border: 1px solid rgba(0,0,0,0.05);
}

.pricing-card {
    border: 1px solid rgba(0,0,0,0.12);
}

.pricing-card-container {
    position: relative;
    overflow: visible;
    height: 100%;
    transition: all 0.6s cubic-bezier(0.16, 1, 0.3, 1);
}

.feature-card::before, .pricing-card::before {
    content: "";
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(
        120deg,
        transparent,
        rgba(255, 255, 255, 0.6),
        transparent
    );
    transition: all 0.6s;
    pointer-events: none;
}

.feature-card:hover::before, .pricing-card-container:hover .pricing-card::before {
    left: 100%;
}

.feature-card:hover {
    transform: translateY(-8px) scale(1.01) !important;
    box-shadow: 
        0 30px 60px -12px rgba(50, 50, 93, 0.12),
        0 18px 36px -18px rgba(0, 0, 0, 0.15),
        0 -12px 36px -8px rgba(0, 0, 0, 0.01) !important;
    border-color: rgba(56, 85, 190, 0.2);
}

.pricing-card-container:hover {
    transform: translateY(-8px) scale(1.01) !important;
    z-index: 3;
}

.pricing-card-container:hover .pricing-card {
    box-shadow: 
        0 30px 60px -12px rgba(50, 50, 93, 0.12),
        0 18px 36px -18px rgba(0, 0, 0, 0.15),
        0 -12px 36px -8px rgba(0, 0, 0, 0.01) !important;
    border-color: rgba(56, 85, 190, 0.2);
}

.feature-card h3, .pricing-card .plan-name {
    transition: transform 0.4s ease;
}

.feature-card:hover h3, .pricing-card-container:hover .plan-name {
    transform: translateX(4px);
}

/* Animated Gradient for Highlighted/Featured Cards */
.feature-card.highlighted, .pricing-card.featured {
    background: linear-gradient(180deg, #ffffff 0%, #f8faff 100%);
    z-index: 2;
}

.pricing-card.featured {
    border: 2px solid var(--blue);
}

.pricing-card-container:hover .pricing-card.featured {
    border-color: var(--blue) !important;
}

.feature-card.highlighted::after, .pricing-card::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, var(--blue), var(--hot-pink));
    opacity: 0;
    transition: opacity 0.4s ease;
    border-bottom-left-radius: 24px;
    border-bottom-right-radius: 24px;
}

.feature-card.highlighted:hover::after, .pricing-card-container:hover .pricing-card::after {
    opacity: 1;
}

/* Sections */
section, .section-padding {
    padding: 100px 8%;
    position: relative;
}

.section-title {
    text-align: center;
    margin-bottom: 4rem;
    display: flex;
    flex-direction: column;
    align-items: center;
}

.section-title h1 {
    font-size: 3rem;
    font-weight: 800;
    margin-bottom: 1.25rem;
    letter-spacing: -0.035em;
    line-height: 1.2;
    background: linear-gradient(135deg, #475569 30%, var(--blue) 100%);
    -webkit-background-clip: text !important;
    -webkit-text-fill-color: transparent !important;
    background-clip: text !important;
    color: transparent !important;
    display: inline-block;
    padding-bottom: 0.2rem;
}

.section-title h1::after {
    content: '';
    display: block;
    width: 48px;
    height: 4px;
    background: linear-gradient(90deg, var(--blue), var(--hot-pink));
    margin: 1.25rem auto 0;
    border-radius: 2px;
}

.section-title p {
    font-size: 1.2rem;
    color: #475569; /* Slate 600 for better readability and style */
    max-width: 750px;
    margin: 0 auto;
    line-height: 1.65;
    font-weight: 450;
}

/* Use Cases & Technology Cards */
.card-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 2.5rem;
}

.feature-card img {
    width: 56px;
    height: 56px;
    margin-bottom: 2rem;
}

.animation-container {
    background: #f8faff;
    border-radius: 12px;
    overflow: hidden;
    position: relative;
    border: 1px solid rgba(0,0,0,0.03);
    aspect-ratio: 16 / 10;
    display: flex;
    align-items: center;
    justify-content: center;
}

.animation-container img {
    width: 100% !important;
    height: 100% !important;
    margin-bottom: 0 !important;
    object-fit: cover;
}

.feature-card h3 {
    font-size: 1.75rem;
    font-weight: 700;
    margin-bottom: 1.5rem;
    color: var(--blue);
    letter-spacing: -0.02em;
}

.feature-card p {
    font-size: 1.1rem;
    line-height: 1.7;
    margin-bottom: 1.5rem;
}

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

.feature-card li {
    position: relative;
    padding-left: 1.75rem;
    margin-bottom: 1rem;
    font-size: 1.05rem;
    color: #4b5563;
}

.feature-card li::before {
    content: '→';
    position: absolute;
    left: 0;
    color: var(--blue);
    font-weight: bold;
}

#technology {
    background: #f1f5f9;
}

#technology .feature-card {
    background: white;
    padding: 2.5rem;
}

#technology h3 {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    color: #475569; /* Softened from var(--dark-gray) to Slate 600 */
}

#technology h3 img {
    margin-bottom: 0;
    width: 32px;
    height: 32px;
}

/* FAQ */
#faq {
    background: white;
}

.accordion-item {
    border: 1px solid var(--medium-gray);
    border-radius: var(--border-radius) !important;
    margin-bottom: 1rem;
    overflow: hidden;
    border-top: 1px solid var(--medium-gray) !important;
}

.accordion-button {
    padding: 1.5rem;
    font-weight: 600;
    font-size: 1.1rem;
    background: white;
    box-shadow: none !important;
    transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}

.accordion-button:hover {
    color: var(--blue);
    padding-left: 1.75rem;
    background-color: rgba(56, 85, 190, 0.02);
}

.accordion-button:not(.collapsed) {
    background: var(--soft-blue);
    color: var(--blue);
    padding-left: 1.75rem;
}

.accordion-body {
    padding: 1.5rem;
    color: #4b5563;
    line-height: 1.7;
}

/* Contact Section */
#contactus {
    background: var(--light-gray);
    border-top: 1px solid var(--medium-gray);
}

/* Footer */
footer {
    padding: 80px 8% 40px;
    background: white;
    border-top: 1px solid var(--medium-gray);
}

.footer-heading {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
    font-weight: 700;
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    margin-bottom: 1.5rem;
    color: #9ca3af;
}

.footer-link {
    color: var(--dark-gray);
    text-decoration: none;
    font-size: 0.875rem; /* Reduced font size from 1.05rem */
    font-weight: 500;
    margin-bottom: 0.75rem;
    display: inline-block; /* Bounds hover state exactly to text width */
    transition: var(--transition);
}

.footer-link:hover {
    color: var(--blue);
    transform: translateY(-2px) scale(1.03); /* Shift up and scale on hover */
}

.copyright-text {
    margin-top: 1rem;
    padding-top: 1rem;
    font-size: 0.875rem;
    color: #6b7280;
}

/* Back to Top */
.back-to-top {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 50px;
    height: 50px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--blue);
    color: white;
    border-radius: 50%;
    text-decoration: none;
    box-shadow: 0 10px 20px rgba(56, 85, 190, 0.3);
    transition: var(--transition);
    z-index: 1000;
}

.back-to-top:hover {
    transform: translateY(-5px);
    background: var(--dark-blue);
    color: white;
}

/* Responsive */
@media (max-width: 768px) {
    h1 { font-size: 2.5rem; }
    .hero-header { font-size: 3rem; }
    .navbar { padding: 1rem 4%; }
    section { padding: 60px 4%; }
}

/* Animations */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

.reveal {
    animation: fadeInUp 0.8s cubic-bezier(0.4, 0, 0.2, 1) forwards;
    opacity: 0;
}

.reveal-slow {
    animation: fadeInUp 1.2s cubic-bezier(0.4, 0, 0.2, 1) forwards;
    opacity: 0;
}

.delay-1 { transition-delay: 0.2s; }
.delay-2 { transition-delay: 0.4s; }
.delay-3 { transition-delay: 0.6s; }
.delay-4 { transition-delay: 0.8s; }

/* Scroll Reveal using Intersection Observer */
.reveal {
    opacity: 0;
    transform: translateY(30px);
    transition: all 0.8s cubic-bezier(0.4, 0, 0.2, 1);
}

.reveal.active {
    opacity: 1;
    transform: translateY(0);
}

/* Overriding for Scroll Reveal */
.reveal {
    animation: none !important;
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.8s ease, transform 0.8s cubic-bezier(0.4, 0, 0.2, 1);
}

.reveal.active {
    opacity: 1 !important;
    transform: translateY(0);
}

/* Persistent Micro-Animations */
@keyframes bounce {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-8px); }
}

@keyframes float {
    0% { transform: translateY(0px); }
    50% { transform: translateY(-10px); }
    100% { transform: translateY(0px); }
}

@keyframes float-subtle {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-5px); }
}

#landing-page-home {
    position: relative;
    overflow: hidden;
}

#landing-page-home .container {
    position: relative;
    z-index: 10;
}

@keyframes pulse-subtle {
    0% { transform: scale(1); opacity: 1; }
    50% { transform: scale(1.02); opacity: 0.9; }
    100% { transform: scale(1); opacity: 1; }
}

@keyframes gradient-shift {
    0% { background-position: 0% 50%; }
    50% { background-position: 100% 50%; }
    100% { background-position: 0% 50%; }
}

/* Subtle float for icons */
.feature-card img, .navbar-logo-image {
}

.float {
    animation: float 8s ease-in-out infinite;
}

/* Slow reveal adjustment for smoother scroll */
.reveal {
    transition: opacity 1.2s cubic-bezier(0.4, 0, 0.2, 1), transform 1.2s cubic-bezier(0.4, 0, 0.2, 1) !important;
}
.billing-toggle-wrapper {
    display: flex;
    justify-content: center;
    margin-bottom: 60px;
}

.billing-toggle-container {
    background: white;
    padding: 4px;
    border-radius: 50px;
    display: flex;
    align-items: center;
    position: relative;
    width: 300px;
    height: 44px;
    cursor: pointer;
    border: 1px solid #e9ecef;
    box-shadow: 0 2px 10px rgba(0,0,0,0.05);
    box-sizing: border-box;
}

.billing-slider {
    position: absolute;
    width: 146px;
    height: 36px;
    background: var(--blue);
    border-radius: 50px;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    left: 4px;
    top: 4px;
    box-shadow: 0 2px 8px rgba(56, 85, 190, 0.3);
    box-sizing: border-box;
    z-index: 0;
}

.billing-label {
    flex: 1;
    width: 50%;
    text-align: center;
    padding: 0;
    z-index: 1;
    font-weight: 700;
    font-size: 0.9rem;
    transition: color 0.3s;
    box-sizing: border-box;
}

.pricing-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
    max-width: 1200px;
    margin: 0 auto;
    align-items: stretch;
}

@media (max-width: 992px) {
    .pricing-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

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

.pricing-card-container.featured-container {
    z-index: 2;
}

.pricing-card-container.featured-container.reveal {
    transform: scale(1.02) translateY(30px);
}

.pricing-card-container.featured-container.reveal.active {
    transform: scale(1.02) translateY(0) !important;
}

.pricing-card-container.featured-container.reveal.active:hover,
.pricing-card-container.featured-container:hover {
    transform: translateY(-8px) scale(1.03) !important;
    z-index: 3;
}

.featured-badge {
    position: absolute;
    top: 0;
    left: 50%;
    transform: translate(-50%, -50%);
    background: var(--blue);
    color: white;
    padding: 8px 20px;
    border-radius: 50px;
    font-size: 12px;
    font-weight: 800;
    letter-spacing: 0.05em;
    text-transform: uppercase;
    z-index: 10;
}

.plan-status-banner {
    height: 25px;
    margin-bottom: 15px;
}

.plan-name {
    font-size: 2.25rem;
    font-weight: 800;
    color: var(--dark-gray);
    margin-bottom: 20px;
    height: 45px;
    display: flex;
    align-items: center;
    letter-spacing: -0.03em;
}

.plan-price {
    display: flex;
    align-items: baseline;
    gap: 6px;
    margin-bottom: 35px;
    height: 70px;
}

.price-symbol {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--dark-gray);
    margin-top: 10px;
}

.price-value {
    font-size: 3.5rem;
    font-weight: 800;
    color: var(--dark-gray);
    letter-spacing: -0.04em;
}

.interval-label {
    font-size: 1.1rem;
    color: #6c757d;
    font-weight: 500;
    margin-left: 4px;
}

.feature-list {
    list-style: none;
    padding: 0;
    margin: 0 0 35px 0;
}

.plan-cta {
    margin-top: auto;
}

.feature-item {
    display: flex;
    align-items: center;
    margin-bottom: 14px;
    font-size: 0.95rem;
    color: #495057;
}

.feature-item i {
    color: var(--blue);
    background: #eef2ff;
    width: 24px;
    height: 24px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    font-size: 0.75rem;
    margin-right: 12px;
    flex-shrink: 0;
}

.btn-pricing {
    width: 100%;
    border-radius: 50px !important;
    font-weight: 700;
    padding: 14px;
    font-size: 14px;
    gap: 8px;
    text-decoration: none;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    cursor: pointer;
}

.btn-pricing.btn-primary {
    background-color: #3855BE !important;
    color: white !important;
    box-shadow: 0 4px 12px rgba(56, 85, 190, 0.2) !important;
    border: none !important;
    transform: none !important;
}

.btn-pricing.btn-primary:hover {
    background-color: #2F48A0 !important;
    box-shadow: 0 8px 25px rgba(56, 85, 190, 0.35) !important;
    transform: translateY(-3px) !important;
}

/* Navigation link dropdown chevron animation */
.nav-chevron {
    margin-left: 6px;
    transition: transform 0.25s cubic-bezier(0.16, 1, 0.3, 1);
    vertical-align: middle;
    display: inline-block;
}

.navbar-link:hover .nav-chevron,
.navbar-link.active .nav-chevron {
    transform: rotate(180deg);
}

/* Pricing section background matching Technical Architecture */
#pricing {
    background: #f1f5f9;
}