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

:root {
    /* Monochrome Color Scheme */
    --black: #0a0a0a;
    --black-light: #141414;
    --gray-900: #1a1a1a;
    --gray-800: #2a2a2a;
    --gray-700: #3a3a3a;
    --gray-600: #525252;
    --gray-500: #737373;
    --gray-400: #a3a3a3;
    --gray-300: #d4d4d4;
    --gray-200: #e5e5e5;
    --gray-100: #f5f5f5;
    --white: #fafafa;
    --pure-white: #ffffff;

    /* Gradients */
    --gradient-hero: linear-gradient(135deg, var(--black) 0%, var(--gray-900) 100%);
    --gradient-card: linear-gradient(180deg, var(--gray-100) 0%, var(--pure-white) 100%);
    --gradient-line: linear-gradient(90deg, transparent, var(--gray-300), transparent);

    /* Spacing */
    --space-xs: 0.5rem;
    --space-sm: 1rem;
    --space-md: 1.5rem;
    --space-lg: 2rem;
    --space-xl: 3rem;
    --space-2xl: 4rem;
    --space-3xl: 6rem;
    --space-4xl: 8rem;

    /* Typography */
    --font-mono: 'SF Mono', Monaco, monospace;
    --font-sans: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;

    /* Animation */
    --ease-out-expo: cubic-bezier(0.16, 1, 0.3, 1);
    --ease-in-out: cubic-bezier(0.4, 0, 0.2, 1);
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-sans);
    background: var(--white);
    color: var(--black);
    line-height: 1.6;
    overflow-x: hidden;
}

/* Scrollbar */
::-webkit-scrollbar {
    width: 8px;
}

::-webkit-scrollbar-track {
    background: var(--gray-100);
}

::-webkit-scrollbar-thumb {
    background: var(--gray-400);
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--gray-600);
}

/* Navigation */
.nav {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    padding: var(--space-md) var(--space-xl);
    transition: all 0.4s var(--ease-out-expo);
}

.nav.scrolled {
    background: rgba(250, 250, 250, 0.9);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--gray-200);
}

.nav-container {
    max-width: 1400px;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    font-family: var(--font-mono);
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--black);
    text-decoration: none;
    display: flex;
    align-items: center;
    gap: 2px;
}

.logo-bracket {
    color: var(--gray-400);
}

.logo-accent {
    color: var(--gray-600);
}

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

.nav-link {
    color: var(--gray-600);
    text-decoration: none;
    font-size: 0.9rem;
    font-weight: 500;
    position: relative;
    transition: color 0.3s ease;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 1px;
    background: var(--black);
    transition: width 0.3s var(--ease-out-expo);
}

.nav-link:hover {
    color: var(--black);
}

.nav-link:hover::after {
    width: 100%;
}

.nav-cta {
    background: var(--black);
    color: var(--white) !important;
    padding: var(--space-xs) var(--space-md);
    border-radius: 100px;
}

.nav-cta::after {
    display: none;
}

.nav-cta:hover {
    background: var(--gray-800);
    transform: translateY(-2px);
}

.mobile-menu-btn {
    display: none;
    flex-direction: column;
    gap: 6px;
    background: none;
    border: none;
    cursor: pointer;
    padding: var(--space-xs);
}

.mobile-menu-btn span {
    width: 24px;
    height: 2px;
    background: var(--black);
    transition: all 0.3s ease;
}

/* Hero Section */
.hero {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    position: relative;
    overflow: hidden;
    background: var(--black);
    color: var(--white);
    padding: var(--space-4xl) var(--space-xl);
}

.hero-bg {
    position: absolute;
    inset: 0;
    overflow: hidden;
}

.grid-lines {
    position: absolute;
    inset: 0;
    background-image:
        linear-gradient(to right, rgba(255,255,255,0.03) 1px, transparent 1px),
        linear-gradient(to bottom, rgba(255,255,255,0.03) 1px, transparent 1px);
    background-size: 80px 80px;
    animation: gridMove 20s linear infinite;
}

@keyframes gridMove {
    0% { transform: translate(0, 0); }
    100% { transform: translate(80px, 80px); }
}

.floating-shapes {
    position: absolute;
    inset: 0;
    pointer-events: none;
}

.shape {
    position: absolute;
    border: 1px solid rgba(255,255,255,0.1);
    border-radius: 50%;
}

.shape-1 {
    width: 400px;
    height: 400px;
    top: -100px;
    right: -100px;
    animation: float 15s ease-in-out infinite;
}

.shape-2 {
    width: 300px;
    height: 300px;
    bottom: -50px;
    left: -50px;
    animation: float 12s ease-in-out infinite reverse;
}

.shape-3 {
    width: 200px;
    height: 200px;
    top: 50%;
    left: 30%;
    animation: pulse 8s ease-in-out infinite;
}

@keyframes float {
    0%, 100% { transform: translate(0, 0) rotate(0deg); }
    25% { transform: translate(30px, -30px) rotate(5deg); }
    50% { transform: translate(-20px, 20px) rotate(-5deg); }
    75% { transform: translate(20px, 10px) rotate(3deg); }
}

@keyframes pulse {
    0%, 100% { transform: scale(1); opacity: 0.3; }
    50% { transform: scale(1.1); opacity: 0.6; }
}

.hero-content {
    position: relative;
    z-index: 1;
    max-width: 900px;
    text-align: center;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: var(--space-xs);
    background: rgba(255,255,255,0.05);
    border: 1px solid rgba(255,255,255,0.1);
    padding: var(--space-xs) var(--space-md);
    border-radius: 100px;
    font-size: 0.85rem;
    color: var(--gray-300);
    margin-bottom: var(--space-xl);
}

.badge-dot {
    width: 8px;
    height: 8px;
    background: #22c55e;
    border-radius: 50%;
    animation: pulse 2s ease-in-out infinite;
}

.hero-title {
    font-size: clamp(2.5rem, 8vw, 5rem);
    font-weight: 700;
    line-height: 1.1;
    margin-bottom: var(--space-lg);
}

.title-line {
    display: block;
}

.title-line.highlight {
    background: linear-gradient(135deg, var(--white) 0%, var(--gray-400) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-subtitle {
    font-size: clamp(1rem, 2vw, 1.25rem);
    color: var(--gray-400);
    max-width: 600px;
    margin: 0 auto var(--space-xl);
    line-height: 1.7;
}

.hero-cta {
    display: flex;
    gap: var(--space-md);
    justify-content: center;
    margin-bottom: var(--space-3xl);
    flex-wrap: wrap;
}

.btn {
    display: inline-flex;
    align-items: center;
    gap: var(--space-xs);
    padding: var(--space-sm) var(--space-lg);
    border-radius: 100px;
    font-size: 1rem;
    font-weight: 500;
    text-decoration: none;
    transition: all 0.3s var(--ease-out-expo);
    cursor: pointer;
    border: none;
}

.btn-primary {
    background: var(--white);
    color: var(--black);
}

.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 10px 40px rgba(255,255,255,0.2);
}

.btn-secondary {
    background: transparent;
    color: var(--white);
    border: 1px solid rgba(255,255,255,0.3);
}

.btn-secondary:hover {
    background: rgba(255,255,255,0.1);
    border-color: rgba(255,255,255,0.5);
}

.btn-full {
    width: 100%;
    justify-content: center;
}

.hero-stats {
    display: flex;
    justify-content: center;
    gap: var(--space-3xl);
    flex-wrap: wrap;
}

.stat {
    text-align: center;
}

.stat-number {
    font-size: clamp(2rem, 4vw, 3rem);
    font-weight: 700;
    color: var(--white);
    font-family: var(--font-mono);
}

.stat-label {
    display: block;
    font-size: 0.85rem;
    color: var(--gray-500);
    margin-top: var(--space-xs);
}

.scroll-indicator {
    position: absolute;
    bottom: var(--space-xl);
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--space-sm);
    color: var(--gray-500);
    font-size: 0.8rem;
}

.mouse {
    width: 24px;
    height: 40px;
    border: 2px solid var(--gray-600);
    border-radius: 12px;
    display: flex;
    justify-content: center;
    padding-top: 8px;
}

.wheel {
    width: 4px;
    height: 8px;
    background: var(--gray-400);
    border-radius: 2px;
    animation: scroll 1.5s ease-in-out infinite;
}

@keyframes scroll {
    0% { transform: translateY(0); opacity: 1; }
    100% { transform: translateY(12px); opacity: 0; }
}

/* Section Styles */
.section-header {
    text-align: center;
    max-width: 700px;
    margin: 0 auto var(--space-3xl);
}

.section-header.light {
    color: var(--white);
}

.section-eyebrow {
    display: inline-block;
    font-family: var(--font-mono);
    font-size: 0.8rem;
    text-transform: uppercase;
    letter-spacing: 2px;
    color: var(--gray-500);
    margin-bottom: var(--space-md);
}

.section-header.light .section-eyebrow {
    color: var(--gray-400);
}

.section-title {
    font-size: clamp(2rem, 5vw, 3rem);
    font-weight: 700;
    margin-bottom: var(--space-md);
    line-height: 1.2;
}

.section-desc {
    font-size: 1.1rem;
    color: var(--gray-500);
}

.section-header.light .section-desc {
    color: var(--gray-400);
}

/* Solutions Section */
.solutions {
    padding: var(--space-4xl) var(--space-xl);
    background: var(--white);
}

.solutions-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: var(--space-lg);
    max-width: 1400px;
    margin: 0 auto;
}

.solution-card {
    background: var(--gradient-card);
    border: 1px solid var(--gray-200);
    border-radius: 16px;
    padding: var(--space-xl);
    position: relative;
    overflow: hidden;
    transition: all 0.4s var(--ease-out-expo);
}

.solution-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 20px 60px rgba(0,0,0,0.1);
    border-color: var(--gray-300);
}

.solution-card.featured {
    background: var(--black);
    color: var(--white);
    border-color: var(--gray-800);
}

.card-badge {
    position: absolute;
    top: var(--space-md);
    right: var(--space-md);
    background: var(--white);
    color: var(--black);
    font-size: 0.7rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
    padding: 4px 12px;
    border-radius: 100px;
}

.card-icon {
    width: 56px;
    height: 56px;
    background: var(--gray-100);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: var(--space-lg);
}

.solution-card.featured .card-icon {
    background: var(--gray-800);
    color: var(--white);
}

.card-icon svg {
    width: 28px;
    height: 28px;
}

.solution-card h3 {
    font-size: 1.4rem;
    margin-bottom: var(--space-sm);
}

.solution-card p {
    color: var(--gray-500);
    margin-bottom: var(--space-lg);
    line-height: 1.6;
}

.solution-card.featured p {
    color: var(--gray-400);
}

.feature-list {
    list-style: none;
}

.feature-list li {
    display: flex;
    align-items: center;
    gap: var(--space-xs);
    font-size: 0.9rem;
    color: var(--gray-600);
    margin-bottom: var(--space-xs);
}

.feature-list li::before {
    content: '→';
    color: var(--gray-400);
    font-family: var(--font-mono);
}

/* Process Section */
.process {
    padding: var(--space-4xl) var(--space-xl);
    background: var(--black);
    color: var(--white);
}

.process-container {
    max-width: 1000px;
    margin: 0 auto;
}

.process-steps {
    display: flex;
    flex-direction: column;
    gap: var(--space-xl);
}

.step {
    display: grid;
    grid-template-columns: auto 1fr auto;
    gap: var(--space-xl);
    align-items: center;
    padding: var(--space-xl);
    background: rgba(255,255,255,0.03);
    border: 1px solid rgba(255,255,255,0.1);
    border-radius: 16px;
    transition: all 0.4s var(--ease-out-expo);
}

.step:hover {
    background: rgba(255,255,255,0.05);
    transform: translateX(10px);
}

.step-number {
    font-family: var(--font-mono);
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--gray-700);
    line-height: 1;
}

.step:hover .step-number {
    color: var(--white);
}

.step-content h3 {
    font-size: 1.3rem;
    margin-bottom: var(--space-xs);
}

.step-content p {
    color: var(--gray-400);
    font-size: 0.95rem;
}

.step-circle {
    width: 64px;
    height: 64px;
    background: rgba(255,255,255,0.05);
    border: 1px solid rgba(255,255,255,0.1);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.3s ease;
}

.step:hover .step-circle {
    background: var(--white);
    color: var(--black);
}

.step-circle svg {
    width: 28px;
    height: 28px;
}

/* Results Section */
.results {
    padding: var(--space-4xl) var(--space-xl);
    background: var(--white);
}

.results-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--space-lg);
    max-width: 1200px;
    margin: 0 auto;
}

.result-card {
    background: var(--gray-100);
    border-radius: 16px;
    padding: var(--space-xl);
    border: 1px solid var(--gray-200);
    transition: all 0.4s var(--ease-out-expo);
}

.result-card:hover {
    transform: scale(1.02);
    border-color: var(--gray-300);
}

.result-graph {
    display: flex;
    align-items: flex-end;
    gap: 8px;
    height: 120px;
    margin-bottom: var(--space-lg);
}

.bar {
    flex: 1;
    height: var(--height);
    background: var(--black);
    border-radius: 4px 4px 0 0;
    transition: height 1s var(--ease-out-expo);
    animation: growBar 1.5s var(--ease-out-expo) forwards;
}

@keyframes growBar {
    from { height: 0; }
    to { height: var(--height); }
}

.result-metric {
    display: flex;
    align-items: center;
    justify-content: center;
    height: 120px;
    margin-bottom: var(--space-lg);
}

.metric-value {
    font-family: var(--font-mono);
    font-size: 5rem;
    font-weight: 700;
    color: var(--black);
    line-height: 1;
}

.result-timeline {
    display: flex;
    align-items: center;
    height: 120px;
    margin-bottom: var(--space-lg);
    padding: 0 var(--space-md);
}

.timeline-point {
    width: 16px;
    height: 16px;
    border-radius: 50%;
    border: 3px solid var(--gray-300);
    background: var(--white);
}

.timeline-point.active {
    border-color: var(--black);
    background: var(--black);
}

.timeline-line {
    flex: 1;
    height: 2px;
    background: var(--gray-300);
}

.result-content h3 {
    font-size: 1.2rem;
    margin-bottom: var(--space-xs);
}

.result-content p {
    color: var(--gray-500);
    font-size: 0.95rem;
}

/* Booking Section */
.booking {
    padding: var(--space-4xl) var(--space-xl);
    background: var(--gray-100);
}

.booking-container {
    max-width: 1200px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: 1fr 1.2fr;
    gap: var(--space-3xl);
    align-items: start;
}

.booking-content {
    position: sticky;
    top: 100px;
}

.booking-title {
    font-size: clamp(2rem, 4vw, 2.5rem);
    margin-bottom: var(--space-md);
    line-height: 1.2;
}

.booking-desc {
    font-size: 1.1rem;
    color: var(--gray-500);
    margin-bottom: var(--space-xl);
}

.booking-benefits {
    display: flex;
    flex-direction: column;
    gap: var(--space-md);
}

.benefit {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    font-size: 1rem;
}

.benefit svg {
    width: 24px;
    height: 24px;
    color: #22c55e;
}

.calendar-widget {
    background: var(--pure-white);
    border-radius: 20px;
    padding: var(--space-xl);
    box-shadow: 0 20px 60px rgba(0,0,0,0.08);
    border: 1px solid var(--gray-200);
}

.calendar-header {
    text-align: center;
    margin-bottom: var(--space-lg);
}

.calendar-header h3 {
    font-size: 1.3rem;
    margin-bottom: var(--space-xs);
}

.calendar-header p {
    color: var(--gray-500);
    font-size: 0.9rem;
}

.calendar-slots {
    display: flex;
    flex-direction: column;
    gap: var(--space-md);
    margin-bottom: var(--space-lg);
    max-height: 500px;
    overflow-y: auto;
    padding-right: var(--space-xs);
}

/* Date Header */
.date-header {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    padding: var(--space-sm) 0;
    border-bottom: 1px solid var(--gray-200);
    margin-top: var(--space-sm);
}

.date-header:first-child {
    margin-top: 0;
}

.date-day {
    font-weight: 600;
    font-size: 0.95rem;
    color: var(--black);
    background: var(--gray-100);
    padding: 4px 12px;
    border-radius: 100px;
}

.date-full {
    font-size: 0.85rem;
    color: var(--gray-500);
}

/* Time Slots Grid */
.time-slots-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-sm);
}

.time-slot {
    padding: var(--space-sm) var(--space-md);
    border: 1px solid var(--gray-200);
    border-radius: 10px;
    text-align: center;
    cursor: pointer;
    transition: all 0.3s ease;
    font-size: 0.9rem;
    background: var(--white);
}

.time-slot:hover {
    border-color: var(--black);
    background: var(--gray-100);
}

.time-slot.selected {
    background: var(--black);
    color: var(--white);
    border-color: var(--black);
}

.time-slot .time {
    font-weight: 600;
    display: block;
}

.time-slot .duration {
    font-size: 0.75rem;
    opacity: 0.7;
}

.calendar-footer {
    text-align: center;
    padding-top: var(--space-lg);
    border-top: 1px solid var(--gray-200);
}

.calendar-footer p {
    color: var(--gray-400);
    font-size: 0.8rem;
}

/* Footer */
.footer {
    background: var(--black);
    color: var(--white);
    padding: var(--space-4xl) var(--space-xl) var(--space-xl);
}

.footer-container {
    max-width: 1200px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: 2fr repeat(3, 1fr);
    gap: var(--space-3xl);
    margin-bottom: var(--space-3xl);
}

.footer-brand .logo {
    color: var(--white);
    margin-bottom: var(--space-md);
}

.footer-brand p {
    color: var(--gray-400);
    font-size: 0.95rem;
}

.footer-col h4 {
    font-size: 0.9rem;
    margin-bottom: var(--space-md);
    color: var(--white);
}

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

.footer-col li {
    margin-bottom: var(--space-xs);
}

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

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

.social-links {
    display: flex;
    gap: var(--space-sm);
}

.social-links a {
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(255,255,255,0.05);
    border-radius: 8px;
    transition: all 0.3s ease;
}

.social-links a:hover {
    background: rgba(255,255,255,0.1);
}

.social-links svg {
    width: 20px;
    height: 20px;
}

.footer-bottom {
    border-top: 1px solid rgba(255,255,255,0.1);
    padding-top: var(--space-xl);
    text-align: center;
}

.footer-bottom p {
    color: var(--gray-500);
    font-size: 0.85rem;
}

/* Modal */
.modal {
    position: fixed;
    inset: 0;
    z-index: 2000;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    visibility: hidden;
    transition: all 0.4s var(--ease-out-expo);
}

.modal.active {
    opacity: 1;
    visibility: visible;
}

.modal-backdrop {
    position: absolute;
    inset: 0;
    background: rgba(0,0,0,0.8);
    backdrop-filter: blur(8px);
}

.modal-content {
    position: relative;
    background: var(--white);
    border-radius: 20px;
    padding: var(--space-2xl);
    max-width: 500px;
    width: 90%;
    max-height: 90vh;
    overflow-y: auto;
    transform: scale(0.9) translateY(20px);
    transition: transform 0.4s var(--ease-out-expo);
}

.modal.active .modal-content {
    transform: scale(1) translateY(0);
}

.modal-close {
    position: absolute;
    top: var(--space-md);
    right: var(--space-md);
    background: none;
    border: none;
    cursor: pointer;
    padding: var(--space-xs);
    color: var(--gray-500);
    transition: color 0.3s ease;
}

.modal-close:hover {
    color: var(--black);
}

.modal-close svg {
    width: 24px;
    height: 24px;
}

.modal-header {
    margin-bottom: var(--space-lg);
}

.modal-header h3 {
    font-size: 1.5rem;
    margin-bottom: var(--space-xs);
}

.modal-header p {
    color: var(--gray-500);
}

/* Form Styles */
.booking-form {
    display: flex;
    flex-direction: column;
    gap: var(--space-md);
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: var(--space-xs);
}

.form-group label {
    font-size: 0.9rem;
    font-weight: 500;
    color: var(--gray-700);
}

.form-group input,
.form-group textarea {
    padding: var(--space-sm);
    border: 1px solid var(--gray-200);
    border-radius: 10px;
    font-size: 1rem;
    font-family: inherit;
    transition: border-color 0.3s ease;
    background: var(--white);
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--black);
}

.form-group textarea {
    resize: vertical;
    min-height: 100px;
}

.google-connect {
    margin-top: var(--space-lg);
    padding-top: var(--space-lg);
    border-top: 1px solid var(--gray-200);
}

.google-connect p {
    font-size: 0.85rem;
    color: var(--gray-500);
    margin-bottom: var(--space-sm);
}

.google-connect code {
    display: block;
    background: var(--gray-100);
    padding: var(--space-sm);
    border-radius: 8px;
    font-size: 0.8rem;
    color: var(--gray-700);
    font-family: var(--font-mono);
}

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

    .booking-content {
        position: static;
    }

    .footer-container {
        grid-template-columns: 1fr 1fr;
    }
}

@media (max-width: 768px) {
    .nav {
        padding: var(--space-md);
    }

    .nav-links {
        display: none;
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background: var(--white);
        flex-direction: column;
        padding: var(--space-lg);
        border-bottom: 1px solid var(--gray-200);
        gap: var(--space-md);
    }

    .nav-links.active {
        display: flex;
    }

    .mobile-menu-btn {
        display: flex;
    }

    .solutions-grid {
        grid-template-columns: 1fr;
    }

    .step {
        grid-template-columns: 1fr;
        text-align: center;
    }

    .step-number {
        font-size: 3rem;
    }

    .step-visual {
        order: -1;
    }

    .calendar-slots {
        grid-template-columns: 1fr;
    }

    .footer-container {
        grid-template-columns: 1fr;
        gap: var(--space-xl);
    }

    .hero-cta {
        flex-direction: column;
        width: 100%;
    }

    .btn {
        width: 100%;
        justify-content: center;
    }

    .hero-stats {
        flex-direction: column;
        gap: var(--space-xl);
    }
}

/* Animation Classes */
.fade-in {
    opacity: 0;
    transform: translateY(30px);
}

.slide-in-left {
    opacity: 0;
    transform: translateX(-50px);
}

.slide-in-right {
    opacity: 0;
    transform: translateX(50px);
}

.scale-in {
    opacity: 0;
    transform: scale(0.8);
}

/* ============================================
   CALCULATOR (Revenue Saved)
   ============================================ */
.calculator {
    max-width: 1200px;
    margin: var(--space-3xl) auto 0;
    padding: var(--space-2xl);
    background: var(--black);
    color: var(--white);
    border-radius: 24px;
    position: relative;
    overflow: hidden;
}

.calculator::before {
    content: '';
    position: absolute;
    top: 0; left: 0; right: 0; height: 1px;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.4), transparent);
}

.calculator-header {
    text-align: center;
    margin-bottom: var(--space-xl);
}

.calculator-title {
    font-size: clamp(1.5rem, 3vw, 2rem);
    font-weight: 700;
    margin: var(--space-xs) 0 var(--space-sm);
}

.calculator-desc {
    color: var(--gray-400);
    font-size: 1rem;
    max-width: 540px;
    margin: 0 auto;
}

.calculator-body {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-2xl);
    align-items: stretch;
}

.calculator-controls {
    display: flex;
    flex-direction: column;
    gap: var(--space-xl);
    justify-content: center;
}

.slider-group {
    display: flex;
    flex-direction: column;
    gap: var(--space-xs);
}

.slider-label {
    display: flex;
    justify-content: space-between;
    align-items: baseline;
    color: var(--gray-300);
    font-size: 0.9rem;
}

.slider-value {
    font-family: var(--font-mono);
    color: var(--white);
    font-size: 1.1rem;
    font-weight: 600;
}

.slider-value output {
    font-variant-numeric: tabular-nums;
}

input[type="range"] {
    -webkit-appearance: none;
    appearance: none;
    width: 100%;
    height: 4px;
    background: rgba(255,255,255,0.1);
    border-radius: 100px;
    outline: none;
    cursor: pointer;
}

input[type="range"]::-webkit-slider-thumb {
    -webkit-appearance: none;
    appearance: none;
    width: 20px;
    height: 20px;
    background: var(--white);
    border-radius: 50%;
    cursor: grab;
    box-shadow: 0 0 0 4px rgba(255,255,255,0.1);
    transition: box-shadow 0.2s, transform 0.2s;
}

input[type="range"]::-webkit-slider-thumb:hover {
    box-shadow: 0 0 0 8px rgba(255,255,255,0.15);
    transform: scale(1.1);
}

input[type="range"]::-webkit-slider-thumb:active {
    cursor: grabbing;
    transform: scale(0.95);
}

input[type="range"]::-moz-range-thumb {
    width: 20px;
    height: 20px;
    background: var(--white);
    border-radius: 50%;
    cursor: grab;
    border: none;
    box-shadow: 0 0 0 4px rgba(255,255,255,0.1);
}

.slider-ticks {
    display: flex;
    justify-content: space-between;
    font-family: var(--font-mono);
    font-size: 0.7rem;
    color: var(--gray-500);
    margin-top: 2px;
}

.calculator-output {
    display: flex;
    flex-direction: column;
    gap: var(--space-md);
    justify-content: center;
}

.output-card {
    background: rgba(255,255,255,0.04);
    border: 1px solid rgba(255,255,255,0.08);
    border-radius: 16px;
    padding: var(--space-md) var(--space-lg);
    display: flex;
    flex-direction: column;
    gap: 4px;
    transition: background 0.3s, border-color 0.3s;
}

.output-card.primary {
    background: var(--white);
    color: var(--black);
    border-color: var(--white);
    padding: var(--space-lg);
}

.output-label {
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 1.5px;
    color: var(--gray-500);
    font-family: var(--font-mono);
}

.output-card.primary .output-label {
    color: var(--gray-600);
}

.output-value {
    font-family: var(--font-mono);
    font-size: clamp(2rem, 4vw, 3rem);
    font-weight: 700;
    line-height: 1;
    font-variant-numeric: tabular-nums;
    transition: color 0.3s;
}

.output-value.sm {
    font-size: 1.5rem;
}

.output-value.pulse {
    animation: valuePulse 0.4s var(--ease-out-expo);
}

@keyframes valuePulse {
    0% { transform: scale(1); }
    50% { transform: scale(1.05); }
    100% { transform: scale(1); }
}

.output-sub {
    font-size: 0.75rem;
    color: var(--gray-500);
    font-family: var(--font-mono);
    margin-top: 4px;
}

.output-card.primary .output-sub {
    color: var(--gray-500);
}

.output-stack {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-sm);
}

.output-foot {
    text-align: center;
    color: var(--gray-400);
    font-size: 0.9rem;
    margin-top: var(--space-xs);
}

.output-foot strong {
    color: var(--white);
    font-weight: 600;
}

/* ============================================
   ARCHITECTURE DIAGRAM
   ============================================ */
.architecture {
    max-width: 1200px;
    margin: var(--space-3xl) auto 0;
    padding: var(--space-2xl);
    background: var(--gray-100);
    border: 1px solid var(--gray-200);
    border-radius: 24px;
}

.architecture-header {
    text-align: center;
    margin-bottom: var(--space-xl);
}

.architecture-title {
    font-size: clamp(1.5rem, 3vw, 2rem);
    font-weight: 700;
    margin: var(--space-xs) 0 var(--space-sm);
}

.architecture-desc {
    color: var(--gray-500);
    font-size: 1rem;
    max-width: 580px;
    margin: 0 auto;
}

.arch-canvas {
    position: relative;
    width: 100%;
    aspect-ratio: 16 / 11;
    max-width: 900px;
    margin: 0 auto;
    background:
        radial-gradient(circle at center, rgba(0,0,0,0.03) 0%, transparent 70%),
        linear-gradient(45deg, var(--gray-100) 25%, transparent 25%),
        linear-gradient(-45deg, var(--gray-100) 25%, transparent 25%);
    background-size: 100%, 24px 24px, 24px 24px;
    border-radius: 16px;
    overflow: hidden;
}

.arch-lines {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
}

.arch-line {
    stroke-dasharray: 0.5 0.5;
    animation: lineFlow 4s linear infinite;
}

@keyframes lineFlow {
    to { stroke-dashoffset: -2; }
}

.arch-center {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 140px;
    height: 140px;
    z-index: 2;
}

.arch-center-pulse {
    position: absolute;
    inset: 0;
    border-radius: 50%;
    background: var(--black);
    animation: centerPulse 3s ease-in-out infinite;
}

@keyframes centerPulse {
    0%, 100% { transform: scale(1); opacity: 0.4; }
    50% { transform: scale(1.15); opacity: 0.1; }
}

.arch-center-inner {
    position: absolute;
    inset: 12px;
    background: var(--black);
    color: var(--white);
    border-radius: 50%;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 4px;
    font-family: var(--font-mono);
    box-shadow: 0 10px 40px rgba(0,0,0,0.3);
    z-index: 1;
}

.arch-center-inner svg {
    width: 28px;
    height: 28px;
}

.arch-center-inner span {
    font-size: 0.7rem;
    font-weight: 600;
    letter-spacing: 0.5px;
}

.arch-center-inner small {
    font-size: 0.55rem;
    color: var(--gray-400);
    text-transform: uppercase;
    letter-spacing: 1px;
}

.arch-node {
    position: absolute;
    left: var(--x);
    top: var(--y);
    transform: translate(-50%, -50%);
    background: var(--white);
    border: 1px solid var(--gray-300);
    border-radius: 14px;
    padding: 10px 14px;
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 0.8rem;
    font-weight: 500;
    color: var(--black);
    box-shadow: 0 4px 12px rgba(0,0,0,0.06);
    cursor: pointer;
    transition: all 0.3s var(--ease-out-expo);
    z-index: 3;
    white-space: nowrap;
}

.arch-node svg {
    width: 16px;
    height: 16px;
    color: var(--gray-600);
    transition: color 0.3s;
}

.arch-node:hover {
    background: var(--black);
    color: var(--white);
    border-color: var(--black);
    transform: translate(-50%, -50%) scale(1.1);
    box-shadow: 0 10px 30px rgba(0,0,0,0.2);
}

.arch-node:hover svg {
    color: var(--white);
}

.arch-node.active {
    background: var(--black);
    color: var(--white);
    border-color: var(--black);
}

.arch-node.active svg {
    color: var(--white);
}

.arch-readout {
    margin-top: var(--space-xl);
    display: flex;
    flex-direction: column;
    gap: var(--space-xs);
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
    background: var(--white);
    border: 1px solid var(--gray-200);
    border-radius: 12px;
    padding: var(--space-md) var(--space-lg);
    font-family: var(--font-mono);
    font-size: 0.85rem;
}

.readout-row {
    display: grid;
    grid-template-columns: 12px 140px 1fr;
    align-items: center;
    gap: var(--space-sm);
    padding: 6px 0;
}

.readout-dot {
    width: 8px;
    height: 8px;
    background: var(--black);
    border-radius: 50%;
    animation: dotBlink 1.5s ease-in-out infinite;
}

@keyframes dotBlink {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.3; }
}

.readout-label {
    color: var(--gray-500);
    text-transform: uppercase;
    letter-spacing: 1px;
    font-size: 0.7rem;
}

.readout-value {
    color: var(--black);
    font-weight: 500;
}

/* ============================================
   PROCESS TIMELINE
   ============================================ */
.process-timeline {
    list-style: none;
    padding: 0;
    margin: 0;
    display: flex;
    flex-direction: column;
    gap: var(--space-lg);
    position: relative;
}

.process-timeline::before {
    content: '';
    position: absolute;
    left: 39px;
    top: 20px;
    bottom: 20px;
    width: 1px;
    background: linear-gradient(180deg, transparent, rgba(255,255,255,0.2) 10%, rgba(255,255,255,0.2) 90%, transparent);
}

.ptl-item {
    display: grid;
    grid-template-columns: 80px 1fr;
    gap: var(--space-lg);
    align-items: flex-start;
    padding: var(--space-md);
    border-radius: 12px;
    transition: background 0.3s;
}

.ptl-item:hover {
    background: rgba(255,255,255,0.03);
}

.ptl-marker {
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
    height: 80px;
    width: 80px;
    border-radius: 50%;
    background: var(--black);
    border: 1px solid rgba(255,255,255,0.15);
    transition: all 0.3s var(--ease-out-expo);
}

.ptl-item:hover .ptl-marker {
    background: var(--white);
    color: var(--black);
    transform: scale(1.05);
    border-color: var(--white);
}

.ptl-number {
    font-family: var(--font-mono);
    font-size: 1.4rem;
    font-weight: 700;
    color: var(--white);
}

.ptl-item:hover .ptl-number {
    color: var(--black);
}

.ptl-body {
    padding-top: 8px;
}

.ptl-head {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    margin-bottom: var(--space-xs);
    flex-wrap: wrap;
}

.ptl-head h3 {
    font-size: 1.3rem;
    margin: 0;
    color: var(--white);
}

.ptl-tag {
    font-family: var(--font-mono);
    font-size: 0.7rem;
    padding: 4px 10px;
    border: 1px solid rgba(255,255,255,0.2);
    border-radius: 100px;
    color: var(--gray-300);
    text-transform: uppercase;
    letter-spacing: 1px;
}

.ptl-body p {
    color: var(--gray-400);
    font-size: 0.95rem;
    line-height: 1.7;
    max-width: 700px;
}

/* Pricing model cards */
.pricing-model {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-md);
    margin-top: var(--space-3xl);
    padding-top: var(--space-2xl);
    border-top: 1px solid rgba(255,255,255,0.1);
}

.pm-card {
    background: rgba(255,255,255,0.03);
    border: 1px solid rgba(255,255,255,0.1);
    border-radius: 16px;
    padding: var(--space-lg);
    transition: all 0.3s var(--ease-out-expo);
}

.pm-card:hover {
    background: rgba(255,255,255,0.05);
    transform: translateY(-4px);
}

.pm-card.highlight {
    background: var(--white);
    color: var(--black);
    border-color: var(--white);
}

.pm-icon {
    width: 44px;
    height: 44px;
    border-radius: 10px;
    background: rgba(255,255,255,0.08);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: var(--space-sm);
}

.pm-card.highlight .pm-icon {
    background: var(--black);
    color: var(--white);
}

.pm-icon svg {
    width: 22px;
    height: 22px;
}

.pm-card h4 {
    font-size: 1.05rem;
    margin-bottom: var(--space-xs);
    color: inherit;
}

.pm-card p {
    color: var(--gray-400);
    font-size: 0.9rem;
    line-height: 1.6;
}

.pm-card.highlight p {
    color: var(--gray-600);
}

/* ============================================
   RESULTS — Capabilities & Engineering Stats
   ============================================ */
.eng-stats {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 1px;
    background: var(--gray-200);
    border: 1px solid var(--gray-200);
    border-radius: 16px;
    overflow: hidden;
    max-width: 1200px;
    margin: 0 auto var(--space-3xl);
}

.eng-stat {
    background: var(--white);
    padding: var(--space-lg);
    display: flex;
    flex-direction: column;
    gap: 4px;
    transition: background 0.3s;
}

.eng-stat:hover {
    background: var(--gray-100);
}

.eng-num {
    font-family: var(--font-mono);
    font-size: clamp(2.5rem, 5vw, 3.5rem);
    font-weight: 700;
    line-height: 1;
    color: var(--black);
    font-variant-numeric: tabular-nums;
}

.eng-suffix {
    font-family: var(--font-mono);
    font-size: 0.85rem;
    color: var(--gray-500);
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-top: 2px;
}

.eng-label {
    font-size: 0.8rem;
    color: var(--gray-500);
    margin-top: var(--space-xs);
}

.cap-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-lg);
    max-width: 1200px;
    margin: 0 auto;
}

.cap-card {
    background: var(--white);
    border: 1px solid var(--gray-200);
    border-radius: 16px;
    padding: var(--space-xl);
    display: flex;
    flex-direction: column;
    gap: var(--space-sm);
    transition: all 0.4s var(--ease-out-expo);
    position: relative;
    overflow: hidden;
}

.cap-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 2px;
    background: var(--black);
    transform: scaleX(0);
    transform-origin: left;
    transition: transform 0.4s var(--ease-out-expo);
}

.cap-card:hover {
    border-color: var(--black);
    transform: translateY(-4px);
    box-shadow: 0 20px 60px rgba(0,0,0,0.08);
}

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

.cap-icon {
    width: 48px;
    height: 48px;
    background: var(--black);
    color: var(--white);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: var(--space-xs);
}

.cap-icon svg {
    width: 24px;
    height: 24px;
}

.cap-card h3 {
    font-size: 1.2rem;
    font-weight: 700;
    color: var(--black);
    line-height: 1.3;
}

.cap-card p {
    color: var(--gray-600);
    font-size: 0.95rem;
    line-height: 1.7;
    flex: 1;
}

.cap-meta {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    font-family: var(--font-mono);
    font-size: 0.72rem;
    color: var(--gray-500);
    padding-top: var(--space-sm);
    border-top: 1px solid var(--gray-200);
    margin-top: var(--space-xs);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.principles {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-md);
    max-width: 1200px;
    margin: var(--space-3xl) auto;
    padding: var(--space-lg);
    background: var(--gray-100);
    border-radius: 16px;
}

.principle {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    font-size: 0.9rem;
    color: var(--gray-700);
}

.principle svg {
    width: 20px;
    height: 20px;
    flex-shrink: 0;
    color: var(--black);
}

.first-cta {
    max-width: 900px;
    margin: 0 auto;
    padding: var(--space-3xl) var(--space-2xl);
    background: var(--black);
    color: var(--white);
    border-radius: 24px;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.first-cta::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle, rgba(255,255,255,0.05) 0%, transparent 50%);
    animation: ctaGlow 8s ease-in-out infinite;
}

@keyframes ctaGlow {
    0%, 100% { transform: translate(0, 0); }
    50% { transform: translate(20%, 20%); }
}

.first-cta-inner {
    position: relative;
    z-index: 1;
}

.first-cta-inner h3 {
    font-size: clamp(1.5rem, 3vw, 2.2rem);
    font-weight: 700;
    margin: var(--space-xs) 0 var(--space-sm);
}

.first-cta-inner p {
    color: var(--gray-400);
    max-width: 540px;
    margin: 0 auto var(--space-lg);
    line-height: 1.7;
}

.first-cta .btn-primary {
    background: var(--white);
    color: var(--black);
}

/* ============================================
   RESPONSIVE — new sections
   ============================================ */
@media (max-width: 1024px) {
    .calculator-body {
        grid-template-columns: 1fr;
    }
    .cap-grid {
        grid-template-columns: 1fr;
    }
    .pricing-model {
        grid-template-columns: 1fr;
    }
    .principles {
        grid-template-columns: 1fr;
    }
    .eng-stats {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    .calculator {
        padding: var(--space-lg);
    }
    .output-stack {
        grid-template-columns: 1fr;
    }
    .arch-canvas {
        aspect-ratio: 1 / 1;
    }
    .arch-center {
        width: 100px;
        height: 100px;
    }
    .arch-center-inner svg {
        width: 22px;
        height: 22px;
    }
    .arch-center-inner span {
        font-size: 0.6rem;
    }
    .arch-center-inner small {
        display: none;
    }
    .arch-node {
        font-size: 0.7rem;
        padding: 6px 10px;
    }
    .arch-node svg {
        width: 12px;
        height: 12px;
    }
    .ptl-item {
        grid-template-columns: 60px 1fr;
        gap: var(--space-sm);
    }
    .ptl-marker {
        width: 60px;
        height: 60px;
    }
    .ptl-number {
        font-size: 1.1rem;
    }
    .process-timeline::before {
        left: 29px;
    }
    .eng-stats {
        grid-template-columns: 1fr;
    }
}

/* Print Styles */
@media print {
    .nav, .scroll-indicator, .hero-bg, .modal {
        display: none !important;
    }

    .hero {
        min-height: auto;
        padding: var(--space-xl);
    }

    body {
        color: black;
        background: white;
    }
}