/* ==========================================
   CSS DESIGN SYSTEM - Science4Data
   ========================================== */

/* CSS Variables - Design Tokens */
:root {
    /* Colors */
    --color-accent: #4b006e;
    --color-light-grey: #dad5dc;
    --color-medium-grey: #4c5166;
    --color-light: #fbf2ff;
    --color-dark-grey: #25272c;
    --color-white: #ffffff;

    /* Accent Variations */
    --color-accent-light: rgba(75, 0, 110, 0.1);
    --color-accent-medium: rgba(75, 0, 110, 0.7);
    --color-accent-glow: rgba(75, 0, 110, 0.25);

    /* Gradient Definitions */
    --gradient-primary: linear-gradient(135deg, #4b006e 0%, #6d0a96 100%);
    --gradient-accent: linear-gradient(135deg, rgba(75, 0, 110, 0.95) 0%, rgba(109, 10, 150, 0.95) 100%);
    --gradient-light: linear-gradient(135deg, rgba(251, 242, 255, 0.5) 0%, rgba(238, 205, 252, 0.3) 100%);
    --gradient-card: linear-gradient(145deg, #ffffff 0%, rgba(251, 242, 255, 0.6) 100%);

    /* Typography */
    --font-primary: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    --font-weight-normal: 400;
    --font-weight-medium: 500;
    --font-weight-semibold: 600;
    --font-weight-bold: 700;

    /* Spacing Scale */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 1.5rem;
    --spacing-lg: 2rem;
    --spacing-xl: 3rem;
    --spacing-2xl: 4rem;

    /* Border Radius */
    --radius-sm: 0.375rem;
    --radius-md: 0.5rem;
    --radius-lg: 0.75rem;
    --radius-xl: 1rem;

    /* Modern Shadows with depth */
    --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.05), 0 1px 2px rgba(75, 0, 110, 0.03);
    --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.08), 0 2px 6px rgba(75, 0, 110, 0.06);
    --shadow-lg: 0 8px 24px rgba(0, 0, 0, 0.12), 0 4px 12px rgba(75, 0, 110, 0.1);
    --shadow-glow: 0 0 20px rgba(75, 0, 110, 0.15), 0 0 40px rgba(75, 0, 110, 0.08);

    /* Transitions */
    --transition-fast: 150ms cubic-bezier(0.4, 0, 0.2, 1);
    --transition-normal: 300ms cubic-bezier(0.4, 0, 0.2, 1);
    --transition-slow: 500ms cubic-bezier(0.4, 0, 0.2, 1);
}

/* ==========================================
   GLOBAL STYLES
   ========================================== */

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

body {
    font-family: var(--font-primary);
    color: var(--color-medium-grey);
    background-color: var(--color-white);
    line-height: 1.6;
    font-weight: var(--font-weight-normal);
}

/* ==========================================
   LAYOUT UTILITIES
   ========================================== */

.container-custom {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding-left: var(--spacing-md);
    padding-right: var(--spacing-md);
}

.container-fluid-custom {
    width: 100%;
    padding-left: var(--spacing-md);
    padding-right: var(--spacing-md);
}

/* Spacing Utilities */
.mt-xs {
    margin-top: var(--spacing-xs);
}

.mt-sm {
    margin-top: var(--spacing-sm);
}

.mt-md {
    margin-top: var(--spacing-md);
}

.mt-lg {
    margin-top: var(--spacing-lg);
}

.mt-xl {
    margin-top: var(--spacing-xl);
}

.mt-2xl {
    margin-top: var(--spacing-2xl);
}

.mb-xs {
    margin-bottom: var(--spacing-xs);
}

.mb-sm {
    margin-bottom: var(--spacing-sm);
}

.mb-md {
    margin-bottom: var(--spacing-md);
}

.mb-lg {
    margin-bottom: var(--spacing-lg);
}

.mb-xl {
    margin-bottom: var(--spacing-xl);
}

.mb-2xl {
    margin-bottom: var(--spacing-2xl);
}

.py-xs {
    padding-top: var(--spacing-xs);
    padding-bottom: var(--spacing-xs);
}

.py-sm {
    padding-top: var(--spacing-sm);
    padding-bottom: var(--spacing-sm);
}

.py-md {
    padding-top: var(--spacing-md);
    padding-bottom: var(--spacing-md);
}

.py-lg {
    padding-top: var(--spacing-lg);
    padding-bottom: var(--spacing-lg);
}

.py-xl {
    padding-top: var(--spacing-xl);
    padding-bottom: var(--spacing-xl);
}

.py-2xl {
    padding-top: var(--spacing-2xl);
    padding-bottom: var(--spacing-2xl);
}

/* ==========================================
   REUSABLE UTILITY CLASSES
   ========================================== */

/* Background Colors */
.bg-dark-custom {
    background-color: var(--color-dark-grey) !important;
}

.bg-light-custom {
    background-color: var(--color-light) !important;
}

.bg-accent-light {
    background-color: var(--color-accent-light);
}

/* Text Colors */
.text-accent {
    color: var(--color-accent) !important;
}

.text-medium-grey {
    color: var(--color-medium-grey) !important;
}

.text-white {
    color: var(--color-white) !important;
}

.text-dark-grey {
    color: var(--color-dark-grey) !important;
}

/* Text Alignment */
.text-center {
    text-align: center;
}

.text-left {
    text-align: left;
}

.text-right {
    text-align: right;
}

/* Text Sizes */
.text-sm {
    font-size: 0.875rem;
}

.text-base {
    font-size: 1rem;
}

.text-lg {
    font-size: 1.125rem;
}

.text-xl {
    font-size: 1.25rem;
}

.text-2xl {
    font-size: 1.5rem;
}

/* Font Weights */
.font-normal {
    font-weight: var(--font-weight-normal);
}

.font-medium {
    font-weight: var(--font-weight-medium);
}

.font-semibold {
    font-weight: var(--font-weight-semibold);
}

.font-bold {
    font-weight: var(--font-weight-bold);
}

/* Links */
a {
    color: var(--color-accent);
    text-decoration: none;
    transition: color var(--transition-fast);
}

a:hover {
    color: var(--color-accent-medium);
}

a:focus {}

/* Section Titles */
.section-title {
    font-size: 2rem;
    font-weight: var(--font-weight-bold);
    color: #000000;
    margin-bottom: var(--spacing-lg);
}

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

.navbar-dark-custom {
    background: rgba(255, 255, 255, 0.8);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid rgba(218, 213, 220, 0.3);
    box-shadow: 0 2px 20px rgba(0, 0, 0, 0.15);
    padding: 0.75rem 0;
    transition: all var(--transition-normal);
}

.navbar-dark-custom.scrolled {
    padding: 0.5rem 0;
    box-shadow: 0 4px 24px rgba(0, 0, 0, 0.12);
}

.navbar-brand {
    transition: transform var(--transition-fast);
}

.navbar-brand:hover {
    transform: translateY(-1px);
}

.navbar-brand .brand-text {
    font-size: 1.375rem;
    font-weight: var(--font-weight-bold);
    color: var(--color-white);
    letter-spacing: -0.02em;
    position: relative;
    display: inline-block;
}

.navbar-brand .brand-text::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--gradient-primary);
    transition: width var(--transition-normal);
}

.navbar-brand:hover .brand-text::after {
    width: 100%;
}

.navbar-logo {
    height: 40px;
    width: auto;
    transition: transform var(--transition-fast), opacity var(--transition-fast);
}

.navbar-brand:hover .navbar-logo {
    transform: translateY(-1px);
    opacity: 0.9;
}

.navbar-nav {
    gap: 0.25rem;
}

.navbar-nav .nav-link {
    color: var(--color-medium-grey);
    font-size: 0.8125rem;
    font-weight: var(--font-weight-semibold);
    padding: 0.625rem 1rem;
    transition: all var(--transition-fast);
    position: relative;
    letter-spacing: 0.02em;
    border-radius: var(--radius-sm);
}

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

.navbar-nav .nav-link:hover {
    color: var(--color-accent);
    background: rgba(75, 0, 110, 0.08);
}

.navbar-nav .nav-link:hover::before {
    width: 70%;
}

.navbar-nav .nav-link.active {
    color: var(--color-accent);
    background: rgba(75, 0, 110, 0.08);
}

.navbar-nav .nav-link.active,
.navbar-nav .nav-link.show {
    color: var(--color-accent);
}

.navbar-nav .nav-link.active::before {
    width: 70%;
}

/* Dropdown Styling */
.navbar-nav .dropdown-toggle::after {
    margin-left: 0.4rem;
    transition: transform var(--transition-fast);
}

.navbar-nav .dropdown.show .dropdown-toggle::after {
    transform: rotate(180deg);
}

.dropdown-menu {
    border: none;
    box-shadow: var(--shadow-lg);
    border-radius: var(--radius-md);
    padding: 0.5rem;
    background: var(--color-white);
    margin-top: 0.5rem;
    min-width: 200px;
}

.dropdown-menu::before {
    content: '';
    position: absolute;
    top: -6px;
    left: 20px;
    width: 12px;
    height: 12px;
    background: var(--color-white);
    transform: rotate(45deg);
    box-shadow: -2px -2px 4px rgba(0, 0, 0, 0.05);
}

.dropdown-item {
    color: var(--color-medium-grey);
    font-size: 0.875rem;
    font-weight: var(--font-weight-medium);
    padding: 0.625rem 1rem;
    border-radius: var(--radius-sm);
    transition: all var(--transition-fast);
    position: relative;
}

.dropdown-item::before {
    content: '';
    position: absolute;
    left: 0;
    top: 50%;
    transform: translateY(-50%);
    width: 3px;
    height: 0;
    background: var(--gradient-primary);
    border-radius: 0 2px 2px 0;
    transition: height var(--transition-fast);
}

.dropdown-item:hover {
    background: var(--color-accent-light);
    color: var(--color-accent);
    padding-left: 1.25rem;
}

.dropdown-item:hover::before {
    height: 60%;
}

.dropdown-item.active,
.dropdown-item:active {
    background: var(--color-accent-light);
    color: var(--color-accent);
}

/* Mobile Menu Toggle */
.navbar-toggler {
    border: 1px solid rgba(75, 0, 110, 0.2);
    padding: 0.5rem;
    transition: all var(--transition-fast);
}

.navbar-toggler:focus {
    box-shadow: 0 0 0 0.2rem rgba(75, 0, 110, 0.25);
}

.navbar-toggler-icon {
    display: inline-block;
    width: 1.5em;
    height: 1.5em;
    vertical-align: middle;
    background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 30 30'%3e%3cpath stroke='rgba(75, 0, 110, 0.8)' stroke-linecap='round' stroke-miterlimit='10' stroke-width='2' d='M4 7h22M4 15h22M4 23h22'/%3e%3c/svg%3e");
    background-repeat: no-repeat;
    background-position: center;
    background-size: 100%;
}

/* Mobile Menu Styles */
@media (max-width: 991px) {
    .navbar-collapse {
        background: rgba(255, 255, 255, 0.98);
        margin: 1rem -1rem -0.75rem;
        padding: 1.5rem 1rem;
        border-radius: var(--radius-md);
        box-shadow: var(--shadow-md);
    }

    .navbar-nav {
        gap: 0.5rem;
    }

    .navbar-nav .nav-link {
        padding: 0.75rem 1rem;
    }

    .dropdown-menu {
        background: var(--color-white);
        box-shadow: none;
        border: 1px solid rgba(218, 213, 220, 0.3);
        margin: 0.5rem 0;
    }

    .dropdown-menu::before {
        display: none;
    }

    .dropdown-item {
        color: var(--color-medium-grey);
    }

    .dropdown-item:hover {
        background: var(--color-accent-light);
        color: var(--color-accent);
    }

    .btn-primary-custom {
        margin-top: 1rem;
        width: 100%;
    }
}

/* ==========================================
   BUTTONS - Reusable Component
   ========================================== */

.btn-primary-custom {
    background: var(--gradient-primary);
    border: none;
    color: var(--color-white);
    padding: 0.625rem 1.5rem;
    border-radius: var(--radius-md);
    font-weight: var(--font-weight-semibold);
    font-size: 0.875rem;
    transition: all var(--transition-normal);
    text-decoration: none;
    display: inline-block;
    position: relative;
    overflow: hidden;
}

.btn-primary-custom::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
    transition: left 0.5s ease;
}

.btn-primary-custom:hover::before {
    left: 100%;
}

.btn-primary-custom:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-glow);
    color: var(--color-white);
}

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

.hero-section {
    background-image: linear-gradient(rgba(37, 39, 44, 0.51) 0%, rgba(37, 39, 44, 0.51) 100%), url('../attached_assets/s4d-hp-hero_1761228927899.webp');
    background-size: cover;
    background-position: center center;
    background-repeat: no-repeat;
    background-attachment: fixed;
    padding: var(--spacing-lg) 0 var(--spacing-lg) 0;
    text-align: center;
    position: relative;
}

.hero-container-padding {
    padding-left: 0;
    padding-right: 0;
}

@media (min-width: 768px) {
    .hero-container-padding {
        padding-left: 5%;
        padding-right: 5%;
    }
}

.hero-title {
    font-size: 3rem;
    font-weight: var(--font-weight-bold);
    color: var(--color-white);
    margin-bottom: var(--spacing-sm);
    text-shadow: 0 2px 8px rgba(0, 0, 0, 0.5);
}

.hero-subtitle {
    font-size: 1.25rem;
    color: var(--color-white);
    font-weight: var(--font-weight-normal);
    text-shadow: 0 2px 8px rgba(0, 0, 0, 0.5);
}

/* ==========================================
   SECTIONS - Reusable Layout
   ========================================== */

.featured-apps-section,
.stats-section {
    padding: var(--spacing-xl) 0 var(--spacing-xl) 0;
}

.stats-section {
    background-color: var(--color-light);
}

/* ==========================================
   CARDS - Reusable Component
   ========================================== */

.app-card {
    border: 1px solid rgba(218, 213, 220, 0.4);
    border-radius: var(--radius-lg);
    transition: all var(--transition-normal);
    box-shadow: var(--shadow-sm);
    background: var(--gradient-card);
    position: relative;
    overflow: hidden;
}

.app-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: var(--gradient-primary);
    opacity: 0;
    transition: opacity var(--transition-normal);
}

.app-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-lg);
    border-color: rgba(75, 0, 110, 0.4);
}

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

.app-card .card-body {
    display: flex;
    flex-direction: column;
    padding: var(--spacing-md);
}

.app-card .card-title {
    font-size: 1.125rem;
    font-weight: var(--font-weight-semibold);
    color: var(--color-accent);
    margin-bottom: var(--spacing-sm);
}

.app-card .card-text {
    font-size: 0.875rem;
    color: var(--color-medium-grey);
    flex-grow: 1;
    margin-bottom: var(--spacing-md);
}

.app-icon {
    width: 64px;
    height: 64px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.icon-placeholder {
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, var(--color-accent), var(--color-accent-medium));
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2rem;
}

/* ==========================================
   BADGES - Reusable Component
   ========================================== */

.badge-custom {
    background-color: var(--color-accent-light);
    color: var(--color-accent);
    padding: 0.375rem 0.75rem;
    border-radius: var(--radius-xl);
    font-size: 0.75rem;
    font-weight: var(--font-weight-medium);
    margin-right: var(--spacing-xs);
    display: inline-block;
}

/* ==========================================
   ENTERPRISE INTEGRATIONS SECTION
   ========================================== */

.integrations-section {
    background: linear-gradient(135deg, rgba(251, 242, 255, 0.4) 0%, rgba(238, 205, 252, 0.15) 100%);
    padding: var(--spacing-2xl) 0;
    position: relative;
    overflow: hidden;
}

.integrations-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, rgba(75, 0, 110, 0.2), transparent);
}

.integrations-section .section-title {
    font-size: 2.25rem;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: var(--spacing-sm);
}

.section-subtitle {
    font-size: 1rem;
    color: var(--color-medium-grey);
    margin-bottom: var(--spacing-xl);
    opacity: 0.7;
    font-weight: var(--font-weight-medium);
    letter-spacing: 0.02em;
}

.integrations-grid {
    display: grid;
    grid-template-columns: repeat(6, 1fr);
    gap: 1rem;
    max-width: 1100px;
    margin: 0 auto;
}

.integration-card {
    background: rgba(255, 255, 255, 0.8);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(218, 213, 220, 0.3);
    border-radius: var(--radius-md);
    padding: 1.25rem 1rem;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    text-align: center;
    transition: all var(--transition-normal);
    min-height: 110px;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.04);
    position: relative;
    overflow: hidden;
}

.integration-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 2px;
    background: var(--gradient-primary);
    transform: scaleX(0);
    transition: transform var(--transition-normal);
}

.integration-card:hover {
    transform: translateY(-6px);
    box-shadow: 0 8px 24px rgba(75, 0, 110, 0.12);
    border-color: rgba(75, 0, 110, 0.3);
    background: rgba(255, 255, 255, 0.95);
}

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

.integration-logo {
    width: 64px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 0.625rem;
    position: relative;
}

.integration-logo img {
    max-width: 100%;
    max-height: 100%;
    width: auto;
    height: auto;
    object-fit: contain;
    filter: grayscale(100%) opacity(0.7);
    transition: all var(--transition-normal);
    image-rendering: -webkit-optimize-contrast;
    image-rendering: crisp-edges;
}

.integration-card:hover .integration-logo img {
    filter: grayscale(0%) opacity(1);
    transform: scale(1.05);
}

.integration-name {
    font-size: 0.75rem;
    font-weight: var(--font-weight-semibold);
    color: var(--color-medium-grey);
    margin: 0;
    opacity: 0.8;
    letter-spacing: 0.01em;
    transition: all var(--transition-fast);
}

.integration-card:hover .integration-name {
    color: var(--color-accent);
    opacity: 1;
}

/* Responsive Grid */
@media (max-width: 1024px) {
    .integrations-grid {
        grid-template-columns: repeat(4, 1fr);
        gap: 0.875rem;
    }
}

@media (max-width: 768px) {
    .integrations-section {
        padding: var(--spacing-xl) 0;
    }

    .integrations-section .section-title {
        font-size: 1.75rem;
    }

    .integrations-grid {
        grid-template-columns: repeat(3, 1fr);
        gap: 0.75rem;
    }

    .integration-card {
        padding: 1rem 0.75rem;
        min-height: 95px;
    }

    .integration-logo {
        width: 56px;
        height: 36px;
        margin-bottom: 0.5rem;
    }

    .integration-name {
        font-size: 0.7rem;
    }
}

@media (max-width: 480px) {
    .integrations-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 0.625rem;
    }

    .section-subtitle {
        font-size: 0.875rem;
    }

    .integration-card {
        padding: 0.875rem 0.5rem;
        min-height: 85px;
    }

    .integration-logo {
        width: 48px;
        height: 32px;
    }
}


/* ==========================================
   STATS CARDS - Reusable Component
   ========================================== */

.stat-card {
    background: var(--gradient-primary);
    padding: var(--spacing-lg);
    border-radius: var(--radius-lg);
    color: var(--color-white);
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    min-height: 200px;
    box-shadow: var(--shadow-md);
    position: relative;
    overflow: hidden;
}

.stat-card::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle, rgba(255, 255, 255, 0.1) 0%, transparent 70%);
    pointer-events: none;
}

.stat-number {
    font-size: 2.5rem;
    font-weight: var(--font-weight-bold);
    margin-bottom: var(--spacing-sm);
}

.stat-description {
    font-size: 0.875rem;
    opacity: 0.9;
    line-height: 1.5;
}

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

.footer {
    background-color: var(--color-dark-grey);
    color: var(--color-light-grey);
    padding: var(--spacing-lg) 0;
}

.footer-logo {
    height: 28px;
    width: auto;
    opacity: 0.9;
    transition: opacity var(--transition-fast);
}

.footer-logo:hover {
    opacity: 1;
}

.footer-link {
    color: var(--color-light-grey);
    text-decoration: none;
    transition: color var(--transition-fast);
}

.footer-link:hover {
    color: var(--color-white);
}

.social-icons {
    display: flex;
    gap: 1rem;
    align-items: center;
}

footer .social-link {
    color: #ffffff;
    background-color: transparent;
}

.social-link {
    color: var(--color-light-grey);
    transition: all var(--transition-fast);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 36px;
    height: 36px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.1);
}

.social-link:hover {
    color: var(--color-white);
    background: rgba(255, 255, 255, 0.2);
    transform: translateY(-2px);
}

.social-link .material-icons {
    font-size: 20px;
}

/* ==========================================
   SCROLL TO TOP BUTTON
   ========================================== */

.scroll-to-top {
    position: fixed;
    bottom: 2rem;
    right: 2rem;
    width: 48px;
    height: 48px;
    background: var(--gradient-primary);
    border: none;
    border-radius: 50%;
    color: var(--color-white);
    font-size: 1.5rem;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    opacity: 0;
    visibility: hidden;
    transform: translateY(20px);
    transition: all var(--transition-normal);
    box-shadow: var(--shadow-lg);
    z-index: 1000;
}

.scroll-to-top.visible {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.scroll-to-top:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-glow);
}

.scroll-to-top:active {
    transform: translateY(-2px);
}

/* ==========================================
   RESPONSIVE DESIGN
   ========================================== */

@media (max-width: 768px) {
    .hero-section {
        background-attachment: scroll;
    }

    .demo-cta-column {
        background-attachment: scroll;
    }

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

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

    .section-title {
        font-size: 1.5rem;
    }

    .stat-number {
        font-size: 2rem;
    }

    .scroll-to-top {
        bottom: 1.5rem;
        right: 1.5rem;
        width: 44px;
        height: 44px;
        font-size: 1.25rem;
    }
}

@media (max-width: 576px) {
    :root {
        --spacing-xl: 2rem;
        --spacing-2xl: 2.5rem;
    }

    .hero-title {
        font-size: 1.75rem;
    }
}

/* ==========================================
   DEMO FORM SECTION - Two Column Layout
   ========================================== */

.demo-form-section {
    background: var(--color-light);
    padding: 0;
    position: relative;
    overflow: hidden;
}

.demo-form-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--color-accent-light), transparent);
}

.demo-form-section .container {
    padding: 0;
    max-width: 100%;
}

.demo-form-section .row {
    margin: 0;
    min-height: 700px;
}

.demo-cta-column {
    background-image: linear-gradient(rgba(75, 0, 110, 0.6), rgba(75, 0, 110, 0.9)), url('../styles/assets/img/launch-cta.webp');
    background-size: cover;
    background-position: center center;
    background-repeat: no-repeat;
    background-attachment: fixed;
    padding: 4rem 3.5rem;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: flex-start;
    position: relative;
}

.demo-cta-column::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: radial-gradient(circle at 30% 50%, rgba(238, 205, 252, 0.15) 0%, transparent 60%);
    pointer-events: none;
}

.demo-cta-content {
    position: relative;
    z-index: 2;
    max-width: 520px;
    width: 100%;
}

.demo-cta-title {
    font-size: 2.75rem;
    font-weight: var(--font-weight-bold);
    color: var(--color-white);
    margin-bottom: 0.5rem;
    line-height: 1.15;
    text-shadow: 0 2px 8px rgba(0, 0, 0, 0.3);
    letter-spacing: -0.02em;
}

.demo-cta-subtitle {
    font-size: 1.5rem;
    font-weight: var(--font-weight-medium);
    color: var(--color-white);
    margin-bottom: 2.5rem;
    opacity: 0.95;
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.2);
    line-height: 1.3;
}

.demo-steps-list {
    list-style: none;
    padding: 0;
    margin: 0;
    counter-reset: step-counter;
}

.demo-step {
    font-size: 1.0625rem;
    color: var(--color-white);
    margin-bottom: 1.25rem;
    padding-left: 2.25rem;
    position: relative;
    line-height: 1.65;
    text-shadow: 0 1px 2px rgba(0, 0, 0, 0.2);
    counter-increment: step-counter;
}

.demo-step:last-child {
    margin-bottom: 0;
}

.demo-step::before {
    content: counter(step-counter);
    position: absolute;
    left: 0;
    top: 0;
    width: 24px;
    height: 24px;
    background: var(--color-white);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.75rem;
    font-weight: var(--font-weight-bold);
    color: var(--color-accent);
    box-shadow: 0 2px 8px rgba(255, 255, 255, 0.3);
}

.demo-form-column {
    background: var(--color-white);
    padding: 4rem 3.5rem;
    display: flex;
    align-items: center;
    justify-content: center;
}

.demo-form {
    background: transparent;
    padding: 0;
    position: relative;
    width: 100%;
    max-width: 520px;
}

.demo-form-title {
    font-size: 1.875rem;
    font-weight: var(--font-weight-bold);
    color: var(--color-accent);
    margin-bottom: 2rem;
    letter-spacing: -0.01em;
    line-height: 1.2;
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1rem;
    margin-bottom: 0;
}

.form-group {
    margin-bottom: 1.25rem;
}

.form-label {
    font-weight: var(--font-weight-semibold);
    color: var(--color-accent);
    margin-bottom: 0.5rem;
    font-size: 0.8125rem;
    letter-spacing: 0.01em;
    display: block;
    text-transform: uppercase;
}

.form-control {
    border: 1.5px solid rgba(218, 213, 220, 0.5);
    border-radius: var(--radius-md);
    padding: 0.75rem 1rem;
    font-size: 0.9375rem;
    transition: all var(--transition-fast);
    color: var(--color-medium-grey);
    background-color: rgba(251, 242, 255, 0.25);
    width: 100%;
    line-height: 1.5;
}

.form-control:focus {
    border-color: var(--color-accent);
    box-shadow: 0 0 0 3px var(--color-accent-light);
    outline: 0;
    background-color: var(--color-white);
}

.form-control::placeholder {
    color: rgba(76, 81, 102, 0.45);
    font-size: 0.875rem;
}

.form-control.is-invalid {
    border-color: #dc3545;
    background-color: rgba(220, 53, 69, 0.05);
}

.form-control.is-valid {
    border-color: #28a745;
    background-color: rgba(40, 167, 69, 0.05);
}

.invalid-feedback {
    display: none;
    color: #dc3545;
    font-size: 0.75rem;
    margin-top: 0.375rem;
    font-weight: var(--font-weight-medium);
}

.form-control.is-invalid~.invalid-feedback {
    display: block;
}

.form-text {
    color: var(--color-medium-grey);
    opacity: 0.6;
    font-size: 0.75rem;
    margin-top: 0.375rem;
    display: block;
    font-style: italic;
}

.form-check {
    padding-left: 1.875rem;
    margin-bottom: 1.75rem;
    margin-top: 0.25rem;
}

.form-check-input {
    width: 1.25rem;
    height: 1.25rem;
    margin-top: 0.125rem;
    cursor: pointer;
    border: 2px solid var(--color-light-grey);
    flex-shrink: 0;
}

.form-check-input:checked {
    background-color: var(--color-accent);
    border-color: var(--color-accent);
}

.form-check-input:focus {
    box-shadow: 0 0 0 3px var(--color-accent-light);
}

.form-check-label {
    font-size: 0.875rem;
    color: var(--color-medium-grey);
    cursor: pointer;
    line-height: 1.5;
}

/* Honeypot spam prevention - hidden field */
.honeypot {
    position: absolute;
    left: -9999px;
    width: 1px;
    height: 1px;
    opacity: 0;
}

.form-message {
    padding: 1rem 1.25rem;
    border-radius: var(--radius-md);
    font-size: 0.9375rem;
    text-align: center;
    font-weight: var(--font-weight-medium);
}

.form-message.success {
    background: linear-gradient(135deg, rgba(40, 167, 69, 0.1), rgba(40, 167, 69, 0.05));
    color: #155724;
    border: 1px solid rgba(40, 167, 69, 0.3);
}

.form-message.error {
    background: linear-gradient(135deg, rgba(220, 53, 69, 0.1), rgba(220, 53, 69, 0.05));
    color: #721c24;
    border: 1px solid rgba(220, 53, 69, 0.3);
}

.btn-lg {
    padding: 0.875rem 2.75rem;
    font-size: 1rem;
    position: relative;
    overflow: hidden;
    font-weight: var(--font-weight-semibold);
    letter-spacing: 0.01em;
}

.btn-lg::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 0;
    height: 0;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.2);
    transform: translate(-50%, -50%);
    transition: width 0.6s, height 0.6s;
}

.btn-lg:hover::before {
    width: 300px;
    height: 300px;
}

/* Responsive Design - Tablet */
@media (max-width: 992px) {
    .demo-form-section .row {
        min-height: 650px;
    }

    .demo-cta-column,
    .demo-form-column {
        padding: 3.5rem 2.5rem;
    }

    .demo-cta-title {
        font-size: 2.25rem;
    }

    .demo-cta-subtitle {
        font-size: 1.25rem;
        margin-bottom: 2rem;
    }

    .demo-step {
        font-size: 1rem;
        margin-bottom: 1.125rem;
    }

    .demo-form-title {
        font-size: 1.625rem;
    }
}

/* Responsive Design - Mobile */
@media (max-width: 768px) {
    .demo-form-section .row {
        min-height: auto;
    }

    .demo-cta-column {
        min-height: 450px;
        padding: 3rem 2rem;
    }

    .demo-form-column {
        padding: 3rem 2rem;
    }

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

    .demo-cta-subtitle {
        font-size: 1.125rem;
        margin-bottom: 1.75rem;
    }

    .demo-step {
        font-size: 0.9375rem;
        padding-left: 2rem;
        margin-bottom: 1rem;
    }

    .demo-step::before {
        width: 22px;
        height: 22px;
        font-size: 0.6875rem;
    }

    .demo-form-title {
        font-size: 1.5rem;
        margin-bottom: 1.5rem;
    }

    .form-row {
        grid-template-columns: 1fr;
        gap: 0;
    }

    .form-group {
        margin-bottom: 1rem;
    }

    .btn-lg {
        width: 100%;
        padding: 1rem 1.5rem;
    }
}

/* Responsive Design - Small Mobile */
@media (max-width: 576px) {
    .demo-cta-column {
        min-height: 400px;
        padding: 2.5rem 1.5rem;
    }

    .demo-form-column {
        padding: 2.5rem 1.5rem;
    }

    .demo-cta-title {
        font-size: 1.75rem;
    }

    .demo-cta-subtitle {
        font-size: 1rem;
        margin-bottom: 1.5rem;
    }

    .demo-step {
        font-size: 0.875rem;
        padding-left: 1.75rem;
    }

    .demo-step::before {
        width: 20px;
        height: 20px;
        font-size: 0.625rem;
    }

    .demo-form-title {
        font-size: 1.375rem;
    }

    .form-label {
        font-size: 0.75rem;
    }

    .form-control {
        padding: 0.625rem 0.875rem;
        font-size: 0.875rem;
    }
}