/*
 * Vinto - Elegant Professional Design
 * Inspired by Hajster & SendPotion
 */

/* Reset */
*, *::before, *::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

/* Design System */
:root {
    /* Navy Palette - Sophisticated Dark Blues */
    --navy-950: #0A0E1A;
    --navy-900: #0F172A;
    --navy-800: #1E293B;
    --navy-700: #334155;
    --navy-600: #475569;
    --navy-500: #64748B;

    /* Blue Accents - Professional Touch */
    --blue-700: #1E40AF;
    --blue-600: #2563EB;
    --blue-500: #3B82F6;
    --blue-400: #60A5FA;
    --blue-50: #F0F6FF;

    /* Logo/Footer Blue */
    --logo-blue: #4A90E2;

    /* Neutral Palette */
    --slate-50: #F8FAFC;
    --slate-100: #F1F5F9;
    --slate-200: #E2E8F0;
    --slate-300: #CBD5E1;
    --white: #FFFFFF;

    /* Semantic Colors */
    --text-primary: #0F172A;
    --text-secondary: #475569;
    --text-tertiary: #64748B;
    --border-light: #E2E8F0;
    --border-medium: #CBD5E1;

    /* Spacing System */
    --space-1: 0.25rem;
    --space-2: 0.5rem;
    --space-3: 0.75rem;
    --space-4: 1rem;
    --space-5: 1.25rem;
    --space-6: 1.5rem;
    --space-8: 2rem;
    --space-10: 2.5rem;
    --space-12: 3rem;
    --space-16: 4rem;
    --space-20: 5rem;
    --space-24: 6rem;

    /* Shadows - Subtle */
    --shadow-xs: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow-sm: 0 1px 3px 0 rgba(0, 0, 0, 0.1), 0 1px 2px 0 rgba(0, 0, 0, 0.06);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);

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

/* Base Typography */
body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
    font-size: 16px;
    line-height: 1.7;
    color: var(--text-primary);
    background: var(--white);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

h1, h2, h3, h4, h5, h6 {
    font-weight: 600;
    line-height: 1.2;
    color: var(--navy-900);
    letter-spacing: -0.025em;
}

h1 { font-size: clamp(2.25rem, 5vw, 3.5rem); margin-bottom: var(--space-6); }
h2 { font-size: clamp(1.875rem, 4vw, 2.75rem); margin-bottom: var(--space-5); }
h3 { font-size: clamp(1.5rem, 3vw, 1.875rem); margin-bottom: var(--space-4); }
h4 { font-size: clamp(1.25rem, 2.5vw, 1.5rem); margin-bottom: var(--space-4); }

p {
    margin-bottom: var(--space-4);
    color: var(--text-secondary);
    line-height: 1.8;
}

a {
    color: var(--blue-600);
    text-decoration: none;
    transition: var(--transition-base);
}

a:hover {
    color: var(--blue-500);
}

/* Container */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--space-6);
}

.container-narrow {
    max-width: 900px;
}

.container-wide {
    max-width: 1400px;
}

/* Header & Navigation */
.site-header {
    position: sticky;
    top: 0;
    z-index: 1000;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--border-light);
    transition: var(--transition-smooth);
}

.navbar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--space-5) 0;
}

.logo {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--navy-900);
    transition: var(--transition-base);
    text-decoration: none;
    cursor: pointer;
}

.logo:hover {
    color: var(--blue-600);
    transform: translateY(-1px);
}

.logo img {
    width: 44px;
    height: 44px;
    border-radius: 8px;
    object-fit: cover;
    display: block;
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: var(--space-8);
    align-items: center;
}

.nav-menu a {
    color: var(--text-secondary);
    font-size: 0.9375rem;
    font-weight: 500;
    position: relative;
    padding: var(--space-2) 0;
    transition: var(--transition-base);
}

.nav-menu a::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--blue-600);
    transition: width 0.3s ease;
}

.nav-menu a:hover,
.nav-menu a.active {
    color: var(--blue-600);
}

.nav-menu a:hover::after,
.nav-menu a.active::after {
    width: 100%;
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-2);
    padding: var(--space-3) var(--space-6);
    font-size: 0.9375rem;
    font-weight: 500;
    border-radius: 8px;
    border: 1px solid transparent;
    cursor: pointer;
    transition: var(--transition-smooth);
    text-decoration: none;
}

.btn-primary {
    background: var(--blue-600);
    color: var(--white);
    border-color: var(--blue-600);
}

.btn-primary:hover {
    background: var(--blue-700);
    border-color: var(--blue-700);
    transform: translateY(-1px);
    box-shadow: var(--shadow-md);
}

.btn-secondary {
    background: transparent;
    color: var(--navy-900);
    border-color: var(--border-medium);
}

.btn-secondary:hover {
    background: var(--slate-50);
    border-color: var(--blue-600);
    color: var(--blue-600);
}

.btn-lg {
    padding: var(--space-4) var(--space-8);
    font-size: 1rem;
}

/* Hero Section */
.hero-section {
    padding: var(--space-24) 0 var(--space-20);
    background: linear-gradient(to bottom, var(--slate-50) 0%, var(--white) 100%);
}

.hero-content {
    text-align: center;
    max-width: 900px;
    margin: 0 auto;
}

.hero-title {
    color: var(--navy-900);
    margin-bottom: var(--space-6);
}

.hero-subtitle {
    font-size: 1.25rem;
    color: var(--text-secondary);
    margin-bottom: var(--space-8);
    line-height: 1.7;
}

.hero-cta {
    display: flex;
    gap: var(--space-4);
    justify-content: center;
    flex-wrap: wrap;
}

/* Section Spacing */
.section {
    padding: var(--space-20) 0;
}

.unified-hero + .section {
    padding-top: 2rem;
}

.section-alt {
    background: var(--slate-50);
}

.section-dark {
    background: var(--navy-900);
    color: var(--white);
}

.section-header {
    text-align: center;
    max-width: 800px;
    margin: 0 auto var(--space-16);
}

.section-header p {
    font-size: 1.125rem;
    color: var(--text-secondary);
}

.section-dark .section-header h2,
.section-dark .section-header p {
    color: var(--white);
}

.section-dark .section-header p {
    opacity: 0.8;
}

/* Feature Grid */
.feature-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: var(--space-10);
}

.feature-card {
    padding: var(--space-8);
    background: var(--white);
    border: 1px solid var(--border-light);
    border-radius: 12px;
    transition: var(--transition-smooth);
}

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

.feature-icon {
    width: 48px;
    height: 48px;
    margin-bottom: var(--space-5);
    color: var(--blue-600);
}

.feature-card h3 {
    margin-bottom: var(--space-3);
    color: var(--navy-900);
}

.feature-card p {
    color: var(--text-secondary);
    line-height: 1.7;
    margin: 0;
}

/* Icon Styles - Minimal SVG Icons */
.icon {
    width: 24px;
    height: 24px;
    stroke: currentColor;
    stroke-width: 2;
    stroke-linecap: round;
    stroke-linejoin: round;
    fill: none;
}

.icon-lg {
    width: 48px;
    height: 48px;
}

/* Workflow Steps */
.workflow-steps {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--space-8);
}

.workflow-step {
    text-align: center;
    padding: var(--space-6);
}

.step-number {
    width: 56px;
    height: 56px;
    margin: 0 auto var(--space-5);
    background: var(--blue-600);
    color: var(--white);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    font-weight: 600;
}

.workflow-step h3 {
    margin-bottom: var(--space-3);
}

.workflow-step p {
    color: var(--text-secondary);
    margin: 0;
}

/* Workflow Detail Cards (How It Works page) */
.workflow-detail-card {
    display: flex;
    gap: 2rem;
    align-items: start;
    padding: 2.5rem;
    background: white;
    border-radius: 12px;
    border: 1px solid var(--border-light);
    margin-bottom: 2rem;
    transform: scale(1);
    transition: transform 0.2s ease-in-out, border-color 0.2s ease-in-out, box-shadow 0.2s ease-in-out;
}

.workflow-detail-card:hover {
    transform: scale(1.25);
    border-color: var(--blue-600);
    box-shadow: 0 8px 24px rgba(37, 99, 235, 0.15);
}

/* FAQ Items */
.faq-item {
    padding: 2rem;
    background: white;
    border-radius: 12px;
    margin-bottom: 1.5rem;
    border: 1px solid var(--border-light);
    transform: scale(1);
    transition: transform 0.2s ease-in-out, border-color 0.2s ease-in-out, box-shadow 0.2s ease-in-out;
}

.faq-item:hover {
    transform: scale(1.25);
    border-color: var(--blue-600);
    box-shadow: 0 8px 24px rgba(37, 99, 235, 0.15);
}

.faq-item h3 {
    font-size: 1.125rem;
    margin-bottom: 1rem;
}

.faq-item p {
    color: var(--text-secondary);
    margin: 0;
    line-height: 1.7;
}

/* CTA Section */
.cta-section {
    padding: var(--space-24) 0;
    background: var(--blue-50);
    color: var(--navy-900);
    text-align: center;
}

.cta-section h2 {
    color: var(--navy-900);
    margin-bottom: var(--space-5);
}

.cta-section p {
    font-size: 1.125rem;
    color: var(--text-secondary);
    margin-bottom: var(--space-8);
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
}

.cta-section .btn-primary {
    background: var(--blue-600);
    color: var(--white);
    border: 2px solid var(--blue-600);
    font-weight: 600;
    padding: 1rem 2.5rem;
    font-size: 1.125rem;
}

.cta-section .btn-primary:hover {
    background: var(--blue-700);
    color: var(--white);
    border-color: var(--blue-700);
    transform: translateY(-2px);
    box-shadow: 0 8px 24px rgba(37, 99, 235, 0.3);
}

/* Footer - Dark Navy Background */
.site-footer {
    background: var(--navy-900);
    color: white;
    padding: var(--space-16) 0 var(--space-8);
    margin-top: 4rem;
    box-shadow: 0 -4px 20px rgba(0, 0, 0, 0.2);
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: var(--space-10);
    margin-bottom: var(--space-12);
}

.footer-section h4 {
    color: white;
    margin-bottom: var(--space-5);
    font-size: 0.9375rem;
    font-weight: 600;
}

.footer-section ul {
    list-style: none;
}

.footer-section li {
    margin-bottom: var(--space-3);
}

.footer-section a {
    color: rgba(255, 255, 255, 0.9);
    font-size: 0.9375rem;
    transition: var(--transition-base);
}

.footer-section a:hover {
    color: white;
    transform: translateX(3px);
}

.footer-bottom {
    text-align: center;
    padding-top: var(--space-8);
    border-top: 1px solid rgba(255, 255, 255, 0.2);
    font-size: 0.875rem;
    color: rgba(255, 255, 255, 0.95);
}

/* Contact Form */
.contact-layout {
    display: grid;
    grid-template-columns: 1fr 1.5fr;
    gap: var(--space-12);
    align-items: start;
}

.contact-info h2 {
    margin-bottom: var(--space-6);
}

.contact-details {
    margin: var(--space-8) 0;
}

.contact-item {
    display: flex;
    align-items: flex-start;
    gap: var(--space-4);
    margin-bottom: var(--space-6);
}

.contact-item-icon {
    width: 24px;
    height: 24px;
    color: var(--navy-900);
    flex-shrink: 0;
}

.contact-item-content h4 {
    margin-bottom: var(--space-2);
    font-size: 0.875rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--text-tertiary);
    font-weight: 600;
}

.contact-item-content p {
    margin: 0;
    color: var(--text-primary);
    font-weight: 500;
}

.contact-form {
    background: var(--white);
    padding: var(--space-10);
    border: 1px solid var(--border-light);
    border-radius: 12px;
}

.form-group {
    margin-bottom: var(--space-6);
}

.form-group label {
    display: block;
    margin-bottom: var(--space-2);
    font-weight: 500;
    font-size: 0.9375rem;
    color: var(--text-primary);
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: var(--space-3) var(--space-4);
    border: 1px solid var(--border-medium);
    border-radius: 8px;
    font-size: 1rem;
    font-family: inherit;
    transition: var(--transition-base);
    background: var(--white);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--navy-900);
    box-shadow: 0 0 0 3px rgba(15, 23, 42, 0.1);
}

.form-group textarea {
    min-height: 150px;
    resize: vertical;
}

/* Responsive */
@media (max-width: 1024px) {
    .contact-layout {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 768px) {
    :root {
        --space-20: 3rem;
        --space-24: 4rem;
    }

    .nav-menu {
        display: none;
    }

    .feature-grid,
    .workflow-steps {
        grid-template-columns: 1fr;
    }

    .hero-section {
        padding: var(--space-16) 0 var(--space-12);
    }
}

/* Utility Classes */
.text-center { text-align: center; }
.text-secondary { color: var(--text-secondary); }
.mb-0 { margin-bottom: 0; }
.mt-8 { margin-top: var(--space-8); }
.mt-12 { margin-top: var(--space-12); }

/* Hero Animations */
@keyframes flyInFromLeft {
    0% {
        opacity: 0;
        transform: translateX(-100px);
    }
    100% {
        opacity: 1;
        transform: translateX(0);
    }
}

@keyframes flyInFromRight {
    0% {
        opacity: 0;
        transform: translateX(100px);
    }
    100% {
        opacity: 1;
        transform: translateX(0);
    }
}

@keyframes fadeInUp {
    0% {
        opacity: 0;
        transform: translateY(30px);
    }
    100% {
        opacity: 1;
        transform: translateY(0);
    }
}

.hero-title {
    animation: flyInFromLeft 0.8s cubic-bezier(0.16, 1, 0.3, 1) forwards;
}

.hero-subtitle {
    animation: flyInFromRight 0.8s cubic-bezier(0.16, 1, 0.3, 1) 0.2s forwards;
    opacity: 0;
    animation-fill-mode: forwards;
}

.hero-cta {
    animation: fadeInUp 0.8s cubic-bezier(0.16, 1, 0.3, 1) 0.4s forwards;
    opacity: 0;
    animation-fill-mode: forwards;
}

/* Feature Card Hover Expansion */
.feature-card {
    transition: all 0.4s cubic-bezier(0.16, 1, 0.3, 1);
    cursor: pointer;
}

.feature-card:hover {
    transform: scale(1.08) translateY(-8px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.15);
    border-color: var(--blue-600);
    background: linear-gradient(135deg, #ffffff 0%, #f8fafc 100%);
    z-index: 10;
}

.feature-card:hover .feature-icon {
    transform: scale(1.15) rotate(5deg);
    color: var(--logo-blue);
}

.feature-card:hover h3 {
    color: var(--blue-600);
}

/* Pricing Card Animations */
.pricing-card {
    animation: fadeInUp 0.6s cubic-bezier(0.16, 1, 0.3, 1) forwards;
    opacity: 0;
    border: 2px solid var(--border-light);
    transform: scale(1);
    transition: transform 0.2s ease-in-out, border-color 0.2s ease-in-out, box-shadow 0.2s ease-in-out, opacity 0.6s cubic-bezier(0.16, 1, 0.3, 1);
    position: relative;
    z-index: 1;
}

.pricing-card:hover {
    transform: translateY(-8px) !important;
    border-color: var(--blue-600);
    box-shadow: 0 25px 50px rgba(37, 99, 235, 0.25);
    z-index: 10;
}

.pricing-card:nth-child(1) { animation-delay: 0.1s; }
.pricing-card:nth-child(2) { animation-delay: 0.2s; }
.pricing-card:nth-child(3) { animation-delay: 0.3s; }

.pricing-card.featured {
    border: 2px solid var(--blue-600);
    box-shadow: 0 10px 30px rgba(37, 99, 235, 0.2);
}

/* Button Animations */
.btn {
    position: relative;
    overflow: hidden;
}

.btn::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 0;
    height: 0;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.3);
    transform: translate(-50%, -50%);
    transition: width 0.6s, height 0.6s;
}

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

.btn:active {
    transform: translateY(0) scale(0.98);
}

/* Section Animations */
.section {
    animation: fadeInUp 0.8s cubic-bezier(0.16, 1, 0.3, 1) forwards;
    opacity: 0;
}

.section:nth-of-type(1) { animation-delay: 0s; }
.section:nth-of-type(2) { animation-delay: 0.1s; }
.section:nth-of-type(3) { animation-delay: 0.2s; }

/* Footer Redesign */
.site-footer {
    background: var(--navy-900);
    color: white;
    margin-top: 4rem;
    box-shadow: 0 -4px 20px rgba(0, 0, 0, 0.2);
}

.site-footer h4 {
    color: white;
    font-weight: 600;
    margin-bottom: 1.5rem;
}

.site-footer a {
    color: rgba(255, 255, 255, 0.9);
    transition: var(--transition-base);
}

.site-footer a:hover {
    color: white;
    transform: translateX(3px);
}

.site-footer p {
    color: rgba(255, 255, 255, 0.8);
}

.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.2);
    padding-top: 2rem;
    margin-top: 3rem;
}

.footer-bottom p {
    color: rgba(255, 255, 255, 0.9);
}

/* Workflow Step Animations */
.workflow-step {
    animation: fadeInUp 0.8s cubic-bezier(0.16, 1, 0.3, 1) forwards;
    opacity: 0;
    transition: all 0.4s cubic-bezier(0.16, 1, 0.3, 1);
}

.workflow-step:nth-child(1) { animation-delay: 0.1s; }
.workflow-step:nth-child(2) { animation-delay: 0.2s; }
.workflow-step:nth-child(3) { animation-delay: 0.3s; }

.workflow-step:hover {
    transform: translateY(-5px) scale(1.02);
}

.workflow-step:hover .step-number {
    transform: scale(1.1) rotate(5deg);
}

/* Form Animation */
.form-group {
    animation: fadeInUp 0.6s cubic-bezier(0.16, 1, 0.3, 1) forwards;
    opacity: 0;
}

.form-group:nth-child(1) { animation-delay: 0.1s; }
.form-group:nth-child(2) { animation-delay: 0.2s; }
.form-group:nth-child(3) { animation-delay: 0.3s; }
.form-group:nth-child(4) { animation-delay: 0.4s; }

/* CTA Section */
.cta-section {
    background: linear-gradient(135deg, #f8fafc 0%, #e2e8f0 100%);
    border-radius: 24px;
    margin: 4rem auto;
    max-width: 1200px;
    box-shadow: var(--shadow-lg);
}

/* Smooth Page Load */
body {
    animation: fadeInUp 0.5s ease-out;
}

/* ===== NEW HOMEPAGE DESIGN ===== */

/* Floating Header - Centered, Transparent */
.site-header-floating {
    position: fixed;
    top: 2rem;
    left: 50%;
    transform: translateX(-50%);
    z-index: 1000;
    width: 90%;
    max-width: 1200px;
}

.navbar-floating {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(20px);
    border-radius: 16px;
    padding: 1rem 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.08);
    border: 1px solid rgba(255, 255, 255, 0.3);
}

.navbar-floating .logo {
    display: flex;
    align-items: center;
}

.navbar-floating .logo span {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--navy-900);
}

.navbar-floating .logo img {
    display: none;
}

/* Unified Hero Section */
.unified-hero {
    background: linear-gradient(135deg, #0A0E1A 0%, #1E293B 50%, #0F172A 100%);
    min-height: 100vh;
    padding: 10rem 0 0;
    color: white;
    position: relative;
    overflow: hidden;
}

.unified-hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: radial-gradient(circle at 30% 20%, rgba(37, 99, 235, 0.15) 0%, transparent 50%),
                radial-gradient(circle at 70% 80%, rgba(74, 144, 226, 0.1) 0%, transparent 50%);
    pointer-events: none;
}

.unified-hero .container {
    position: relative;
    z-index: 1;
}

/* AI Tech Cards */
.ai-tech-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
    animation: fadeInUp 0.8s ease-out;
}

.ai-tech-card {
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 16px;
    padding: 2.5rem;
    backdrop-filter: blur(10px);
    transition: all 0.4s cubic-bezier(0.16, 1, 0.3, 1);
    position: relative;
    z-index: 1;
}

.ai-tech-card:hover {
    background: rgba(255, 255, 255, 0.08);
    border-color: var(--blue-600);
    transform: translateY(-5px);
    box-shadow: 0 20px 40px rgba(37, 99, 235, 0.3);
    z-index: 10;
}

.ai-tech-card h3 {
    color: white;
    font-size: 1.5rem;
    margin-bottom: 1rem;
    font-weight: 600;
}

.ai-tech-card p {
    color: rgba(255, 255, 255, 0.7);
    line-height: 1.7;
    font-size: 0.9375rem;
}

/* Hero Content Center */
.hero-content-center {
    text-align: center;
    max-width: 900px;
    margin: 0 auto;
    animation: fadeInUp 0.8s ease-out 0.2s both;
}

.hero-brand {
    font-size: clamp(4rem, 8vw, 6rem);
    font-weight: 800;
    color: white;
    margin-bottom: 1.5rem;
    letter-spacing: -0.02em;
    animation: fadeInUp 0.8s ease-out both;
}

.hero-badge {
    display: inline-block;
    padding: 0.5rem 1.25rem;
    background: rgba(37, 99, 235, 0.15);
    border: 1px solid rgba(37, 99, 235, 0.3);
    border-radius: 999px;
    color: var(--blue-400);
    font-size: 0.875rem;
    font-weight: 600;
    letter-spacing: 0.5px;
    text-transform: uppercase;
    margin-bottom: 2rem;
    animation: fadeInUp 0.8s ease-out 0s both;
}

.hero-content-center .hero-title {
    color: white;
    font-size: clamp(2.5rem, 5vw, 4rem);
    margin-bottom: 2rem;
    line-height: 1.15;
    font-weight: 700;
    animation: fadeInUp 0.8s ease-out 0.1s both;
    max-width: 900px;
    margin-left: auto;
    margin-right: auto;
}

.hero-content-center .hero-subtitle {
    color: rgba(255, 255, 255, 0.9);
    font-size: clamp(1.25rem, 2.5vw, 1.75rem);
    line-height: 1.5;
    margin-bottom: 1.5rem;
    animation: fadeInUp 0.8s ease-out 0.2s both;
    max-width: 750px;
    margin-left: auto;
    margin-right: auto;
    font-weight: 500;
}

.hero-content-center .hero-description {
    color: rgba(255, 255, 255, 0.75);
    font-size: clamp(1rem, 1.5vw, 1.125rem);
    line-height: 1.7;
    margin-bottom: 3rem;
    animation: fadeInUp 0.8s ease-out 0.25s both;
    max-width: 650px;
    margin-left: auto;
    margin-right: auto;
    font-weight: 400;
}

.hero-cta-group {
    display: flex;
    gap: 1.5rem;
    justify-content: center;
    align-items: center;
    margin-bottom: 4rem;
    animation: fadeInUp 0.8s ease-out 0.3s both;
}

.btn-hero {
    padding: 1.125rem 2.5rem;
    font-size: 1.125rem;
    font-weight: 600;
}

.hero-stats {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 3rem;
    max-width: 700px;
    margin: 0 auto;
    padding: 3rem 0;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    animation: fadeInUp 0.8s ease-out 0.4s both;
}

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

.stat-value {
    font-size: 2.5rem;
    font-weight: 700;
    color: white;
    margin-bottom: 0.5rem;
    line-height: 1;
}

.stat-label {
    font-size: 0.9375rem;
    color: rgba(255, 255, 255, 0.6);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    font-weight: 500;
}

/* Transform CTA Section */
.transform-cta {
    text-align: center;
    max-width: 700px;
    margin: 0 auto;
    padding: 4rem 3rem;
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 24px;
    backdrop-filter: blur(10px);
    animation: fadeInUp 0.8s ease-out 0.4s both;
}

.transform-cta h2 {
    color: white;
    font-size: clamp(1.875rem, 4vw, 2.5rem);
    margin-bottom: 1.5rem;
    font-weight: 600;
}

.transform-cta p {
    color: rgba(255, 255, 255, 0.75);
    font-size: 1.125rem;
    margin-bottom: 2.5rem;
    line-height: 1.7;
}

.transform-cta .btn {
    font-size: 1.125rem;
    padding: 1rem 3rem;
}

/* Expandable Feature Cards */
.feature-grid-expandable {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
}

.feature-card-expandable {
    background: white;
    border: 2px solid var(--border-light);
    border-radius: 16px;
    padding: 2.5rem;
    text-align: center;
    transition: all 0.5s cubic-bezier(0.16, 1, 0.3, 1);
    cursor: pointer;
}

.feature-card-expandable:hover {
    flex: 1.25;
    transform: scale(1.25);
    z-index: 10;
    border-color: var(--blue-600);
    box-shadow: 0 25px 50px rgba(37, 99, 235, 0.25);
    background: linear-gradient(135deg, #ffffff 0%, #f8fafc 100%);
}

.feature-grid-expandable:has(.feature-card-expandable:hover) .feature-card-expandable:not(:hover) {
    transform: scale(0.95);
    opacity: 0.7;
}

/* Universal Expandable Grid System */
.expandable-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
}

.expandable-card {
    transform: scale(1);
    transition: transform 0.2s ease-in-out, border-color 0.2s ease-in-out, box-shadow 0.2s ease-in-out;
    cursor: pointer;
    position: relative;
    z-index: 1;
}

.expandable-card:hover {
    transform: scale(1.25);
    border-color: var(--blue-600) !important;
    box-shadow: 0 0 0 2px var(--blue-600);
    z-index: 10;
}

.feature-card-expandable .feature-icon {
    width: 56px;
    height: 56px;
    margin: 0 auto 1.5rem;
    color: var(--blue-600);
    transition: all 0.5s cubic-bezier(0.16, 1, 0.3, 1);
}

.feature-card-expandable:hover .feature-icon {
    transform: scale(1.2) rotate(5deg);
    color: var(--logo-blue);
}

.feature-card-expandable h3 {
    font-size: 1.375rem;
    margin-bottom: 1rem;
    transition: color 0.3s;
}

.feature-card-expandable:hover h3 {
    color: var(--blue-600);
}

.feature-card-expandable p {
    color: var(--text-secondary);
    line-height: 1.7;
    transition: color 0.3s;
}

.feature-card-expandable:hover p {
    color: var(--text-primary);
}

/* Mobile Responsiveness */
@media (max-width: 1024px) {
    .ai-tech-grid {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }

    .feature-grid-expandable {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    .site-header-floating {
        top: 1rem;
        width: 95%;
    }

    .navbar-floating {
        padding: 0.75rem 1rem;
    }

    .unified-hero {
        padding: 8rem 0 4rem;
    }

    .feature-grid-expandable {
        grid-template-columns: 1fr;
    }

    .feature-card-expandable:hover {
        transform: scale(1.05);
    }

    .transform-cta {
        padding: 3rem 2rem;
    }

    .hero-cta-group {
        flex-direction: column;
        gap: 1rem;
    }

    .btn-hero {
        width: 100%;
        padding: 1rem 2rem;
    }

    .hero-stats {
        grid-template-columns: 1fr;
        gap: 2rem;
    }

    .social-proof-text {
        font-size: 0.875rem;
        text-align: center;
    }
}

/* Horizontal Workflow Cards */
.workflow-horizontal-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
    margin-top: 3rem;
}

.workflow-horizontal-card {
    background: white;
    border: 2px solid var(--border-light);
    border-radius: 16px;
    padding: 2rem;
    transition: transform 0.2s ease-in-out, border-color 0.2s ease-in-out, box-shadow 0.2s ease-in-out;
    position: relative;
    z-index: 1;
}

.workflow-horizontal-card:hover {
    transform: translateY(-8px);
    border-color: var(--blue-600);
    box-shadow: 0 25px 50px rgba(37, 99, 235, 0.25);
    z-index: 10;
}

.workflow-horizontal-number {
    width: 48px;
    height: 48px;
    background: var(--navy-900);
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 600;
    font-size: 1.25rem;
    margin-bottom: 1.5rem;
}

.workflow-horizontal-content h3 {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 1rem;
    line-height: 1.3;
}

.workflow-horizontal-content p {
    color: var(--text-secondary);
    line-height: 1.7;
    margin-bottom: 1.5rem;
    font-size: 0.9375rem;
}

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

.workflow-checklist li {
    padding: 0.75rem 0;
    color: var(--text-secondary);
    border-top: 1px solid var(--border-light);
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.875rem;
}

.workflow-checklist li:first-child {
    border-top: 1px solid var(--border-light);
}

.workflow-checklist svg {
    width: 16px;
    height: 16px;
    flex-shrink: 0;
    color: var(--navy-900);
}

@media (max-width: 1024px) {
    .workflow-horizontal-grid {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }

    .workflow-horizontal-card {
        padding: 1.5rem;
    }
}

/* Hero Social Proof */
.hero-social-proof {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.75rem;
    margin-bottom: 3rem;
    animation: fadeInUp 0.8s ease-out 0.28s both;
}

.social-proof-stars {
    display: flex;
    gap: 0.375rem;
    align-items: center;
}

.star-icon {
    width: 20px;
    height: 20px;
    color: #FCD34D;
    filter: drop-shadow(0 1px 2px rgba(252, 211, 77, 0.3));
}

.social-proof-text {
    color: rgba(255, 255, 255, 0.8);
    font-size: 0.9375rem;
    font-weight: 500;
    margin: 0;
    letter-spacing: 0.01em;
}

/* Enhanced Button Styles */
.btn-primary {
    background: var(--blue-600);
    color: var(--white);
    border-color: var(--blue-600);
    box-shadow: 0 4px 14px rgba(37, 99, 235, 0.4);
}

.btn-primary:hover {
    background: var(--blue-700);
    border-color: var(--blue-700);
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(37, 99, 235, 0.5);
}

.btn-secondary {
    background: rgba(255, 255, 255, 0.1);
    color: rgba(255, 255, 255, 0.95);
    border-color: rgba(255, 255, 255, 0.2);
    backdrop-filter: blur(10px);
}

.btn-secondary:hover {
    background: rgba(255, 255, 255, 0.15);
    border-color: rgba(255, 255, 255, 0.3);
    color: white;
    transform: translateY(-2px);
}