/* ===== OCSR Chemical Intelligence Engine (CIE) Styles ===== */

/* ===== CSS Variables ===== */
:root {
    /* Primary Colors - Clean Purple/Blue Theme */
    --primary-color: #6366f1;
    --primary-dark: #4f46e5;
    --primary-light: #818cf8;
    --secondary-color: #8b5cf6;
    --secondary-dark: #7c3aed;
    --secondary-light: #a78bfa;

    /* Accent Colors */
    --accent-blue: #3b82f6;
    --accent-purple: #9333ea;
    --accent-indigo: #6366f1;

    /* Neutral Colors - White Focused */
    --white: #ffffff;
    --gray-50: #fafafa;
    --gray-100: #f5f5f5;
    --gray-200: #e5e5e5;
    --gray-300: #d4d4d4;
    --gray-400: #a3a3a3;
    --gray-500: #737373;
    --gray-600: #525252;
    --gray-700: #404040;
    --gray-800: #262626;
    --gray-900: #171717;

    /* Text Colors */
    --text-primary: #171717;
    --text-secondary: #525252;
    --text-tertiary: #737373;
    --text-white: #ffffff;

    /* Background Colors */
    --bg-primary: #ffffff;
    --bg-secondary: #fafafa;
    --bg-tertiary: #f5f5f5;

    /* Border Colors */
    --border-light: #f5f5f5;
    --border-medium: #e5e5e5;
    --border-dark: #d4d4d4;

    /* Gradient Definitions */
    --gradient-primary: linear-gradient(135deg, #6366f1 0%, #8b5cf6 100%);
    --gradient-secondary: linear-gradient(135deg, #4f46e5 0%, #7c3aed 100%);
    --gradient-accent: linear-gradient(135deg, #818cf8 0%, #a78bfa 100%);
    --gradient-soft: linear-gradient(180deg, #ffffff 0%, #fafafa 100%);

    /* Shadows - Softer, more subtle */
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.03);
    --shadow-md: 0 2px 8px 0 rgba(0, 0, 0, 0.06);
    --shadow-lg: 0 4px 16px 0 rgba(0, 0, 0, 0.08);
    --shadow-xl: 0 8px 32px 0 rgba(0, 0, 0, 0.1);
    --shadow-glow: 0 0 32px rgba(99, 102, 241, 0.2);

    /* Border Radius */
    --radius-sm: 0.5rem;
    --radius-md: 0.75rem;
    --radius-lg: 1rem;
    --radius-xl: 1.25rem;
    --radius-2xl: 1.5rem;
    --radius-full: 9999px;

    /* Transitions */
    --transition-fast: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-base: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-slow: all 0.5s cubic-bezier(0.4, 0, 0.2, 1);
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Plus Jakarta Sans', 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    font-size: 16px;
    line-height: 1.6;
    color: var(--text-primary);
    background-color: var(--bg-primary);
    overflow-x: hidden;
}

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

.cie-text {
    font-family: 'Plus Jakarta Sans', Arial, sans-serif;
    font-size: 20px;
    font-weight: 800;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    letter-spacing: 0.5px;
}

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

/* ===== Container ===== */
.container {
    width: 100%;
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 2rem;
}

/* ===== Navigation ===== */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: rgba(255, 255, 255, 0.98);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--border-medium);
    transition: var(--transition-base);
    box-shadow: var(--shadow-sm);
}

.nav-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 2rem;
}

.logo {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.nav-links {
    display: flex;
    list-style: none;
    gap: 2rem;
    align-items: center;
}

.nav-links a {
    text-decoration: none;
    color: var(--text-primary);
    font-weight: 500;
    font-size: 0.9375rem;
    transition: var(--transition-fast);
}

.nav-links a:hover {
    color: var(--primary-color);
}

.nav-cta {
    padding: 0.625rem 1.5rem;
    background: var(--gradient-primary);
    color: var(--white);
    border-radius: var(--radius-full);
    font-weight: 600;
    transition: var(--transition-base);
    box-shadow: var(--shadow-md);
}

.nav-cta:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-glow);
    color: var(--white) !important;
}

.mobile-menu-toggle {
    display: none;
    flex-direction: column;
    gap: 4px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 0.5rem;
}

.mobile-menu-toggle span {
    display: block;
    width: 24px;
    height: 3px;
    background: var(--text-primary);
    border-radius: 2px;
    transition: var(--transition-fast);
}

/* ===== Hero Section ===== */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding-top: 80px;
    overflow: hidden;
    background: linear-gradient(180deg, #ffffff 0%, #fafafa 100%);
}

.gradient-mesh {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    opacity: 0.3;
    background:
        radial-gradient(ellipse at 20% 20%, rgba(99, 102, 241, 0.08) 0%, transparent 50%),
        radial-gradient(ellipse at 80% 40%, rgba(139, 92, 246, 0.06) 0%, transparent 50%),
        radial-gradient(ellipse at 40% 80%, rgba(124, 58, 237, 0.05) 0%, transparent 50%);
    pointer-events: none;
}

.hero-container {
    position: relative;
    z-index: 1;
    text-align: center;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.5rem 1.25rem;
    background: rgba(255, 255, 255, 0.9);
    backdrop-filter: blur(10px);
    border-radius: var(--radius-full);
    border: 1px solid var(--border-light);
    margin-bottom: 1.5rem;
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--text-secondary);
    box-shadow: var(--shadow-sm);
}

.badge-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: var(--gradient-primary);
    animation: pulse 2s ease-in-out infinite;
}

@keyframes pulse {
    0%, 100% { opacity: 1; transform: scale(1); }
    50% { opacity: 0.6; transform: scale(1.2); }
}

.hero-title {
    font-size: 4rem;
    font-weight: 800;
    line-height: 1.15;
    margin-bottom: 1.75rem;
    letter-spacing: -0.025em;
    color: var(--text-primary);
}

.hero-subtitle {
    font-size: 1.2rem;
    color: var(--text-secondary);
    max-width: 850px;
    margin: 0 auto 3.5rem;
    line-height: 1.75;
    font-weight: 400;
}

.hero-stats {
    display: flex;
    justify-content: center;
    gap: 4rem;
    margin-bottom: 3rem;
}

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

.stat-number {
    font-size: 2.5rem;
    font-weight: 800;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    line-height: 1;
    margin-bottom: 0.5rem;
}

.stat-label {
    font-size: 0.9375rem;
    color: var(--text-secondary);
    font-weight: 500;
}

.hero-cta {
    display: flex;
    gap: 1rem;
    justify-content: center;
    align-items: center;
}

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0.875rem 2rem;
    font-size: 1rem;
    font-weight: 600;
    text-decoration: none;
    border-radius: var(--radius-lg);
    transition: var(--transition-base);
    cursor: pointer;
    border: none;
}

.btn-primary {
    background: var(--gradient-primary);
    color: var(--white);
    box-shadow: var(--shadow-md);
}

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

.btn-secondary {
    background: var(--white);
    color: var(--primary-color);
    border: 2px solid var(--primary-color);
}

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

.btn-large {
    padding: 1rem 2.5rem;
    font-size: 1.125rem;
}

.hero-scroll-indicator {
    position: absolute;
    bottom: 2rem;
    left: 50%;
    transform: translateX(-50%);
}

.scroll-arrow {
    width: 24px;
    height: 24px;
    border-right: 2px solid var(--primary-color);
    border-bottom: 2px solid var(--primary-color);
    transform: rotate(45deg);
    animation: bounce 2s infinite;
}

@keyframes bounce {
    0%, 20%, 50%, 80%, 100% { transform: rotate(45deg) translateY(0); }
    40% { transform: rotate(45deg) translateY(10px); }
    60% { transform: rotate(45deg) translateY(5px); }
}

/* ===== Section Styles ===== */
section {
    padding: 7rem 0;
    background: var(--white);
}

section:nth-child(even) {
    background: var(--bg-secondary);
}

.section-header {
    text-align: center;
    margin-bottom: 4.5rem;
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
}

.section-title {
    font-size: 2.75rem;
    font-weight: 800;
    margin-bottom: 1.25rem;
    line-height: 1.2;
    letter-spacing: -0.02em;
    color: var(--text-primary);
}

.section-subtitle {
    font-size: 1.125rem;
    color: var(--text-secondary);
    max-width: 700px;
    margin: 0 auto;
    line-height: 1.7;
    font-weight: 400;
}

/* ===== Workflow Section ===== */
.workflow-section {
    background: var(--white) !important;
}

.workflow-diagram {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
}

.workflow-step {
    position: relative;
    background: var(--white);
    padding: 2.5rem;
    border-radius: var(--radius-xl);
    border: 1px solid var(--border-medium);
    transition: var(--transition-base);
    box-shadow: var(--shadow-sm);
}

.workflow-step:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
    border-color: var(--primary-light);
}

.workflow-icon {
    width: 80px;
    height: 80px;
    margin-bottom: 1.5rem;
}

.workflow-number {
    position: absolute;
    top: 2rem;
    right: 2rem;
    font-size: 3rem;
    font-weight: 900;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    opacity: 0.1;
}

.workflow-title {
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 1rem;
}

.workflow-description {
    color: var(--text-secondary);
    font-size: 0.9375rem;
    line-height: 1.7;
}

/* ===== Search Section ===== */
.search-features-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 2rem;
}

.search-feature-card {
    background: var(--white);
    padding: 2.5rem;
    border-radius: var(--radius-xl);
    border: 1px solid var(--border-medium);
    transition: var(--transition-base);
    box-shadow: var(--shadow-sm);
}

.search-feature-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
    border-color: var(--primary-light);
}

.search-feature-icon {
    width: 70px;
    height: 70px;
    margin-bottom: 1.5rem;
}

.search-feature-title {
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 1rem;
}

.search-feature-description {
    color: var(--text-secondary);
    font-size: 0.9375rem;
    line-height: 1.7;
    margin-bottom: 1.5rem;
}

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

.search-feature-list li {
    padding: 0.5rem 0;
    padding-left: 1.5rem;
    position: relative;
    color: var(--text-secondary);
    font-size: 0.9375rem;
}

.search-feature-list li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: var(--primary-color);
    font-weight: 700;
}

/* ===== Properties Section ===== */
.properties-section {
    background: var(--bg-secondary) !important;
}

.properties-categories {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1.5rem;
}

.property-category {
    background: var(--white);
    padding: 2rem;
    border-radius: var(--radius-lg);
    border: 1px solid var(--border-medium);
    transition: var(--transition-base);
    box-shadow: var(--shadow-sm);
}

.property-category:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
    border-color: var(--primary-light);
}

.property-category-icon {
    width: 60px;
    height: 60px;
    margin-bottom: 1rem;
}

.property-category-title {
    font-size: 1.25rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
}

.property-category-count {
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--primary-color);
    margin-bottom: 1rem;
}

.property-list {
    list-style: none;
    padding: 0;
}

.property-list li {
    padding: 0.5rem 0;
    padding-left: 1.25rem;
    position: relative;
    color: var(--text-secondary);
    font-size: 0.875rem;
}

.property-list li::before {
    content: '•';
    position: absolute;
    left: 0;
    color: var(--primary-color);
    font-weight: 700;
}

/* ===== Pipeline Section ===== */
.pipeline-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 2.5rem;
}

.pipeline-card {
    background: var(--white);
    padding: 2.5rem;
    border-radius: var(--radius-xl);
    border: 1px solid var(--border-medium);
    transition: var(--transition-base);
    position: relative;
    box-shadow: var(--shadow-sm);
}

.pipeline-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
    border-color: var(--primary-light);
}

.pipeline-badge {
    display: inline-block;
    padding: 0.375rem 1rem;
    background: var(--gradient-primary);
    color: var(--white);
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    border-radius: var(--radius-full);
    margin-bottom: 1.5rem;
}

.pipeline-icon {
    width: 70px;
    height: 70px;
    margin-bottom: 1.5rem;
}

.pipeline-title {
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 1rem;
}

.pipeline-description {
    color: var(--text-secondary);
    font-size: 0.9375rem;
    line-height: 1.7;
    margin-bottom: 1.5rem;
}

.pipeline-metrics {
    display: flex;
    gap: 2rem;
    padding-top: 1.5rem;
    border-top: 1px solid var(--border-light);
}

.metric {
    display: flex;
    flex-direction: column;
}

.metric-value {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--primary-color);
    line-height: 1;
    margin-bottom: 0.25rem;
}

.metric-label {
    font-size: 0.75rem;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

/* ===== Integrations Section ===== */
.integrations-section {
    background: var(--bg-secondary) !important;
}

/* Central Hub */
.ecosystem-hub {
    display: flex;
    justify-content: center;
    margin-bottom: 4rem;
}

.hub-card {
    background: var(--gradient-primary);
    padding: 3rem 4rem;
    border-radius: var(--radius-2xl);
    text-align: center;
    box-shadow: var(--shadow-glow);
    position: relative;
    overflow: hidden;
}

.hub-card::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle, rgba(255,255,255,0.1) 0%, transparent 70%);
    animation: rotate 20s linear infinite;
}

@keyframes rotate {
    from { transform: rotate(0deg); }
    to { transform: rotate(360deg); }
}

.hub-icon-wrapper {
    position: relative;
    z-index: 1;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 80px;
    height: 80px;
    background: rgba(255, 255, 255, 0.2);
    border-radius: var(--radius-lg);
    margin-bottom: 1.5rem;
    backdrop-filter: blur(10px);
}

.hub-icon {
    width: 48px;
    height: 48px;
    color: var(--white);
    stroke-width: 2;
}

.hub-card h3 {
    position: relative;
    z-index: 1;
    font-size: 1.75rem;
    font-weight: 800;
    color: var(--white);
    margin-bottom: 0.5rem;
    letter-spacing: -0.02em;
}

.hub-card p {
    position: relative;
    z-index: 1;
    font-size: 1rem;
    color: rgba(255, 255, 255, 0.95);
    font-weight: 500;
}

/* Ecosystem Grid */
.ecosystem-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
    margin-bottom: 4rem;
}

.ecosystem-card {
    background: var(--white);
    padding: 2.5rem;
    border-radius: var(--radius-xl);
    border: 1px solid var(--border-medium);
    text-align: center;
    transition: var(--transition-base);
    box-shadow: var(--shadow-sm);
    position: relative;
    overflow: hidden;
}

.ecosystem-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: var(--gradient-primary);
    transform: scaleX(0);
    transition: transform 0.3s ease;
}

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

.ecosystem-card:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow-lg);
    border-color: var(--primary-light);
}

.ecosystem-icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 64px;
    height: 64px;
    background: linear-gradient(135deg, rgba(99, 102, 241, 0.1) 0%, rgba(139, 92, 246, 0.1) 100%);
    border-radius: var(--radius-lg);
    margin-bottom: 1.5rem;
    transition: var(--transition-base);
}

.ecosystem-card:hover .ecosystem-icon {
    background: var(--gradient-primary);
}

.ecosystem-icon svg {
    width: 32px;
    height: 32px;
    color: var(--primary-color);
    stroke-width: 2;
    transition: var(--transition-base);
}

.ecosystem-card:hover .ecosystem-icon svg {
    color: var(--white);
    transform: scale(1.1);
}

.ecosystem-card h4 {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 0.5rem;
}

.ecosystem-card p {
    font-size: 0.9375rem;
    color: var(--text-secondary);
    margin-bottom: 1rem;
}

.ecosystem-badge {
    display: inline-block;
    padding: 0.375rem 1rem;
    background: var(--bg-secondary);
    color: var(--primary-color);
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    border-radius: var(--radius-full);
    border: 1px solid var(--border-medium);
}

.integration-benefits {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
}

.benefit-card {
    text-align: center;
    padding: 2.5rem 2rem;
    background: var(--white);
    border-radius: var(--radius-lg);
    transition: var(--transition-base);
}

.benefit-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
}

.benefit-icon-wrapper {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 64px;
    height: 64px;
    background: var(--gradient-primary);
    border-radius: var(--radius-lg);
    margin-bottom: 1.5rem;
    box-shadow: var(--shadow-md);
}

.benefit-icon {
    width: 36px;
    height: 36px;
    color: var(--white);
    stroke-width: 2;
}

.benefit-card h4 {
    font-size: 1.25rem;
    font-weight: 700;
    margin-bottom: 0.75rem;
    color: var(--text-primary);
}

.benefit-card p {
    color: var(--text-secondary);
    font-size: 0.9375rem;
    line-height: 1.6;
}

/* ===== CTA Section ===== */
.cta-section {
    position: relative;
    padding: 6rem 0;
    overflow: hidden;
}

.cta-content {
    position: relative;
    z-index: 1;
    text-align: center;
}

.cta-title {
    font-size: 3rem;
    font-weight: 800;
    margin-bottom: 1.5rem;
}

.cta-subtitle {
    font-size: 1.25rem;
    color: var(--text-secondary);
    max-width: 800px;
    margin: 0 auto 3rem;
    line-height: 1.7;
}

.cta-buttons {
    display: flex;
    gap: 1rem;
    justify-content: center;
    margin-bottom: 3rem;
}

.btn-cta {
    font-size: 1.125rem;
    padding: 1.125rem 3rem;
}

.trust-badges {
    display: flex;
    justify-content: center;
    gap: 2rem;
    flex-wrap: wrap;
}

.trust-badge {
    padding: 0.75rem 1.5rem;
    background: rgba(255, 255, 255, 0.9);
    backdrop-filter: blur(10px);
    border: 1px solid var(--border-light);
    border-radius: var(--radius-full);
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--text-secondary);
    box-shadow: var(--shadow-sm);
}

/* ===== Footer ===== */
.footer {
    background-color: var(--gray-900);
    color: var(--text-white);
}

.max-w-7xl { max-width: 80rem; }
.mx-auto { margin-left: auto; margin-right: auto; }
.px-4 { padding-left: 1rem; padding-right: 1rem; }
.py-12 { padding-top: 3rem; padding-bottom: 3rem; }
.grid { display: grid; }
.grid-cols-1 { grid-template-columns: repeat(1, minmax(0, 1fr)); }
.gap-8 { gap: 2rem; }
.h-8 { height: 2rem; }
.mb-4 { margin-bottom: 1rem; }
.brightness-100 { filter: brightness(1); }
.invert { filter: invert(1) brightness(100); }
.text-gray-400 { color: #9ca3af; }
.text-sm { font-size: 0.875rem; }
.font-semibold { font-weight: 600; }
.text-gray-300 { color: #d1d5db; }
.space-y-2 > * + * { margin-top: 0.5rem; }
.hover\:text-white:hover { color: #ffffff; }
.transition-colors { transition: color 0.15s ease; }
.mt-12 { margin-top: 3rem; }
.pt-8 { padding-top: 2rem; }
.border-t { border-top-width: 1px; }
.border-gray-800 { border-color: #1f2937; }
.flex { display: flex; }
.flex-col { flex-direction: column; }
.justify-between { justify-content: space-between; }
.items-center { align-items: center; }
.text-purple-400 { color: #c084fc; }
.hover\:text-purple-300:hover { color: #d8b4fe; }
.space-x-6 > * + * { margin-left: 1.5rem; }
.mt-4 { margin-top: 1rem; }
.h-6 { height: 1.5rem; }
.w-6 { width: 1.5rem; }
.sr-only { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0, 0, 0, 0); white-space: nowrap; border-width: 0; }

/* ===== Responsive Design ===== */
@media (min-width: 640px) {
    .sm\:px-6 { padding-left: 1.5rem; padding-right: 1.5rem; }
}

@media (min-width: 768px) {
    .md\:grid-cols-4 { grid-template-columns: repeat(4, minmax(0, 1fr)); }
    .md\:col-span-1 { grid-column: span 1 / span 1; }
    .md\:flex-row { flex-direction: row; }
    .md\:mt-0 { margin-top: 0; }
}

@media (min-width: 1024px) {
    .lg\:px-8 { padding-left: 2rem; padding-right: 2rem; }
}

@media (max-width: 1024px) {
    .hero-title { font-size: 3.5rem; }
    .section-title { font-size: 2.5rem; }
    .workflow-diagram { grid-template-columns: repeat(2, 1fr); }
    .properties-categories { grid-template-columns: repeat(2, 1fr); }
    .ecosystem-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 768px) {
    .mobile-menu-toggle { display: flex; }
    .nav-links {
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background: var(--white);
        flex-direction: column;
        padding: 2rem;
        border-bottom: 1px solid var(--border-medium);
        box-shadow: var(--shadow-lg);
        gap: 1rem;
        display: none;
    }
    .nav-links.active { display: flex; }
    .nav-links.hidden { display: none; }
    .hero-title { font-size: 2.5rem; }
    .hero-subtitle { font-size: 1rem; }
    .hero-stats { flex-direction: column; gap: 2rem; }
    .hero-cta { flex-direction: column; }
    .section-title { font-size: 2rem; }
    .workflow-diagram { grid-template-columns: 1fr; }
    .search-features-grid { grid-template-columns: 1fr; }
    .properties-categories { grid-template-columns: 1fr; }
    .pipeline-grid { grid-template-columns: 1fr; }
    .ecosystem-grid { grid-template-columns: 1fr; }
    .integration-benefits { grid-template-columns: 1fr; }
    .hub-card { padding: 2.5rem 2rem; }
    .hub-card h3 { font-size: 1.5rem; }
    .cta-title { font-size: 2rem; }
    .cta-buttons { flex-direction: column; }
}

@media (max-width: 480px) {
    .container { padding: 0 1rem; }
    .hero-title { font-size: 2rem; line-height: 1.2; }
    .hero-subtitle { font-size: 0.95rem; }
    .stat-number { font-size: 2rem; }
    .section-title { font-size: 1.75rem; }
    .section-subtitle { font-size: 1rem; }
    .btn-large { padding: 0.875rem 1.5rem; font-size: 1rem; }
    .benefit-card { padding: 2rem 1.5rem; }
    .workflow-step { padding: 2rem 1.5rem; }
    .search-feature-card { padding: 2rem 1.5rem; }
    .pipeline-card { padding: 2rem 1.5rem; }
    .ecosystem-card { padding: 2rem 1.5rem; }
    .hub-card { padding: 2rem 1.5rem; }
    .hub-card h3 { font-size: 1.25rem; }
}

/* ===== Real-World Applications Section ===== */
.applications-section {
    background: var(--white) !important;
}

.applications-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 2.5rem;
}

.application-card {
    background: var(--white);
    padding: 2.5rem;
    border-radius: var(--radius-xl);
    border: 1px solid var(--border-medium);
    transition: var(--transition-base);
    box-shadow: var(--shadow-sm);
}

.application-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
    border-color: var(--primary-light);
}

.application-header {
    margin-bottom: 1.5rem;
    position: relative;
}

.application-icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 56px;
    height: 56px;
    background: linear-gradient(135deg, rgba(99, 102, 241, 0.1) 0%, rgba(139, 92, 246, 0.1) 100%);
    border-radius: var(--radius-lg);
    margin-bottom: 1rem;
}

.application-icon svg {
    width: 28px;
    height: 28px;
    color: var(--primary-color);
    stroke-width: 2;
}

.application-title {
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 0.75rem;
    color: var(--text-primary);
}

.application-badge {
    display: inline-block;
    padding: 0.375rem 1rem;
    background: var(--gradient-primary);
    color: var(--white);
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    border-radius: var(--radius-full);
    margin-bottom: 1rem;
}

.application-description {
    color: var(--text-secondary);
    font-size: 0.9375rem;
    line-height: 1.7;
    margin-bottom: 1.25rem;
}

.application-steps {
    list-style: none;
    counter-reset: step-counter;
    padding-left: 0;
    margin-bottom: 1.5rem;
}

.application-steps li {
    position: relative;
    padding-left: 2.5rem;
    margin-bottom: 1rem;
    color: var(--text-secondary);
    font-size: 0.9375rem;
    line-height: 1.6;
    counter-increment: step-counter;
}

.application-steps li::before {
    content: counter(step-counter);
    position: absolute;
    left: 0;
    top: 0;
    width: 28px;
    height: 28px;
    background: var(--gradient-primary);
    color: var(--white);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 0.875rem;
}

.application-steps li strong {
    color: var(--text-primary);
}

.application-result {
    padding: 1.25rem;
    background: linear-gradient(135deg, rgba(99, 102, 241, 0.05) 0%, rgba(139, 92, 246, 0.05) 100%);
    border-left: 3px solid var(--primary-color);
    border-radius: var(--radius-md);
    font-size: 0.9375rem;
    color: var(--text-secondary);
    line-height: 1.6;
}

.application-result strong {
    color: var(--primary-color);
    font-weight: 700;
}

/* ===== Technical Specifications Section ===== */
.tech-specs-section {
    background: var(--bg-secondary) !important;
}

.tech-specs-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 2rem;
}

.tech-spec-card {
    background: var(--white);
    padding: 2.5rem;
    border-radius: var(--radius-xl);
    border: 1px solid var(--border-medium);
    transition: var(--transition-base);
    box-shadow: var(--shadow-sm);
}

.tech-spec-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
    border-color: var(--primary-light);
}

.tech-spec-title {
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 1.5rem;
    color: var(--text-primary);
    padding-bottom: 1rem;
    border-bottom: 2px solid var(--border-medium);
}

.tech-spec-list {
    list-style: none;
    padding: 0;
}

.tech-spec-list li {
    padding: 0.75rem 0;
    padding-left: 1.5rem;
    position: relative;
    color: var(--text-secondary);
    font-size: 0.9375rem;
    line-height: 1.7;
    border-bottom: 1px solid var(--border-light);
}

.tech-spec-list li:last-child {
    border-bottom: none;
}

.tech-spec-list li::before {
    content: '→';
    position: absolute;
    left: 0;
    color: var(--primary-color);
    font-weight: 700;
    font-size: 1.125rem;
}

.tech-spec-list li strong {
    color: var(--text-primary);
    font-weight: 600;
}

/* ===== Responsive Design for New Sections ===== */
@media (max-width: 1024px) {
    .applications-grid {
        grid-template-columns: 1fr;
    }
    .tech-specs-grid {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 768px) {
    .application-card {
        padding: 2rem 1.5rem;
    }
    .tech-spec-card {
        padding: 2rem 1.5rem;
    }
    .application-title {
        font-size: 1.25rem;
    }
    .tech-spec-title {
        font-size: 1.25rem;
    }
}

@media (max-width: 480px) {
    .application-steps li {
        padding-left: 2rem;
        font-size: 0.875rem;
    }
    .application-steps li::before {
        width: 24px;
        height: 24px;
        font-size: 0.75rem;
    }
    .tech-spec-list li {
        font-size: 0.875rem;
        padding-left: 1.25rem;
    }
}