/* CALC Portfolio - Editorial Finance Aesthetic */

:root {
    /* Warm, sophisticated palette */
    --bg-cream: #F7F5F0;
    --bg-warm: #EDE9E1;
    --bg-dark: #1A1814;
    --text-primary: #1A1814;
    --text-secondary: #6B635A;
    --text-muted: #9A948C;
    --accent: #C4553A;
    --accent-dark: #A64430;
    --accent-light: #E8D5CF;
    --border: #D8D4CC;
    --border-dark: #C4BFAC;

    /* Typography */
    --font-serif: 'Instrument Serif', Georgia, serif;
    --font-mono: 'Space Mono', 'SF Mono', Consolas, monospace;

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

    /* Transitions */
    --ease-out: cubic-bezier(0.22, 1, 0.36, 1);
    --ease-in-out: cubic-bezier(0.65, 0, 0.35, 1);
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-mono);
    font-size: 15px;
    line-height: 1.7;
    color: var(--text-primary);
    background-color: var(--bg-cream);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    overflow-x: hidden;
}

/* Grain Overlay */
.grain-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    z-index: 9999;
    opacity: 0.03;
    background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noise'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noise)'/%3E%3C/svg%3E");
}

/* Selection */
::selection {
    background: var(--accent-light);
    color: var(--text-primary);
}

/* Navigation */
.nav {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    padding: var(--space-sm) var(--space-md);
    background: rgba(247, 245, 240, 0.9);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--border);
}

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

.nav-logo {
    display: flex;
    align-items: center;
    gap: var(--space-xs);
    text-decoration: none;
    color: var(--text-primary);
}

.logo-mark {
    font-size: 1.5rem;
    color: var(--accent);
    transition: transform 0.3s var(--ease-out);
}

.nav-logo:hover .logo-mark {
    transform: rotate(90deg);
}

.logo-text {
    font-family: var(--font-mono);
    font-size: 1rem;
    font-weight: 700;
    letter-spacing: 0.2em;
    text-transform: uppercase;
}

.nav-links {
    display: flex;
    align-items: center;
    gap: var(--space-md);
}

.nav-link {
    font-size: 0.8rem;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--text-secondary);
    text-decoration: none;
    position: relative;
    padding: var(--space-xs) 0;
}

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

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

.nav-cta {
    font-size: 0.8rem;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--bg-cream);
    background: var(--text-primary);
    text-decoration: none;
    padding: 0.75rem 1.5rem;
    transition: all 0.3s var(--ease-out);
}

.nav-cta:hover {
    background: var(--accent);
}

/* Hero */
.hero {
    min-height: 100vh;
    padding: calc(80px + var(--space-xl)) var(--space-md) var(--space-lg);
    position: relative;
    overflow: hidden;
}

.hero-grid {
    max-width: 1400px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-xl);
    align-items: center;
}

.hero-left {
    max-width: 600px;
}

.hero-eyebrow {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.2em;
    color: var(--text-secondary);
    margin-bottom: var(--space-md);
}

.eyebrow-line {
    width: 40px;
    height: 1px;
    background: var(--accent);
}

.hero-title {
    font-family: var(--font-serif);
    font-size: clamp(3rem, 6vw, 5rem);
    font-weight: 400;
    line-height: 1.1;
    margin-bottom: var(--space-md);
}

.title-line {
    display: block;
    opacity: 0;
    transform: translateY(30px);
    animation: fadeInUp 0.8s var(--ease-out) forwards;
}

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

.title-accent {
    font-style: italic;
    color: var(--accent);
}

.hero-desc {
    font-size: 1rem;
    color: var(--text-secondary);
    line-height: 1.8;
    margin-bottom: var(--space-lg);
    max-width: 480px;
    opacity: 0;
    animation: fadeIn 0.8s var(--ease-out) 0.5s forwards;
}

.hero-actions {
    display: flex;
    gap: var(--space-md);
    align-items: center;
    opacity: 0;
    animation: fadeIn 0.8s var(--ease-out) 0.7s forwards;
}

/* Buttons */
.btn-primary {
    display: inline-flex;
    align-items: center;
    gap: var(--space-sm);
    padding: 1rem 1.75rem;
    background: var(--text-primary);
    color: var(--bg-cream);
    text-decoration: none;
    font-family: var(--font-mono);
    font-size: 0.85rem;
    letter-spacing: 0.05em;
    border: none;
    cursor: pointer;
    position: relative;
    overflow: hidden;
    transition: all 0.4s var(--ease-out);
}

.btn-primary::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: var(--accent);
    transition: left 0.4s var(--ease-out);
    z-index: 0;
}

.btn-primary:hover::before {
    left: 0;
}

.btn-primary span {
    position: relative;
    z-index: 1;
}

.btn-arrow {
    transition: transform 0.3s var(--ease-out);
}

.btn-primary:hover .btn-arrow {
    transform: translateX(4px);
}

.btn-ghost {
    color: var(--text-secondary);
    text-decoration: none;
    font-size: 0.85rem;
    letter-spacing: 0.05em;
    position: relative;
    padding-bottom: 2px;
}

.btn-ghost::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 1px;
    background: var(--border-dark);
    transition: background 0.3s var(--ease-out);
}

.btn-ghost:hover {
    color: var(--text-primary);
}

.btn-ghost:hover::after {
    background: var(--accent);
}

.btn-large {
    padding: 1.25rem 2.25rem;
    font-size: 0.9rem;
}

/* Hero Visual */
.hero-right {
    position: relative;
    opacity: 0;
    animation: fadeInRight 1s var(--ease-out) 0.4s forwards;
}

.hero-visual {
    position: relative;
    height: 500px;
    transition: transform 0.1s linear;
}

.visual-card {
    position: absolute;
    background: white;
    padding: 1.5rem;
    border: 1px solid var(--border);
    box-shadow: 0 20px 60px rgba(26, 24, 20, 0.08);
    transition: all 0.4s var(--ease-out);
}

.visual-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 30px 80px rgba(26, 24, 20, 0.12);
}

.card-1 {
    top: 0;
    right: 0;
    width: 280px;
    z-index: 3;
}

.card-2 {
    top: 140px;
    left: 20px;
    width: 200px;
    z-index: 2;
}

.card-3 {
    bottom: 60px;
    right: 60px;
    width: 180px;
    z-index: 1;
}

.card-label {
    font-size: 0.7rem;
    text-transform: uppercase;
    letter-spacing: 0.15em;
    color: var(--text-muted);
    margin-bottom: var(--space-xs);
}

.card-value {
    font-family: var(--font-serif);
    font-size: 2.5rem;
    font-weight: 400;
    color: var(--text-primary);
    line-height: 1;
}

.card-1 .card-value {
    font-size: 3rem;
}

.value-cents {
    font-size: 1.5rem;
    color: var(--text-secondary);
}

.card-change {
    display: inline-block;
    margin-top: var(--space-xs);
    padding: 0.25rem 0.5rem;
    font-size: 0.75rem;
    font-weight: 700;
    letter-spacing: 0.05em;
}

.card-change.positive {
    background: #E8F5E9;
    color: #2E7D32;
}

.card-sublabel {
    font-size: 0.7rem;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--text-muted);
    margin-top: 0.25rem;
}

.visual-lines {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 200px;
    opacity: 0.5;
}

.line-chart {
    width: 100%;
    height: 100%;
}

.chart-line {
    fill: none;
    stroke: var(--accent);
    stroke-width: 2;
    stroke-linecap: round;
    stroke-linejoin: round;
    stroke-dasharray: 1000;
    stroke-dashoffset: 1000;
    animation: drawLine 2s var(--ease-out) 1s forwards;
}

.chart-line-shadow {
    fill: none;
    stroke: var(--accent-light);
    stroke-width: 20;
    stroke-linecap: round;
    stroke-linejoin: round;
    opacity: 0.3;
    filter: blur(10px);
    stroke-dasharray: 1000;
    stroke-dashoffset: 1000;
    animation: drawLine 2s var(--ease-out) 1s forwards;
}

.visual-grid-lines {
    position: absolute;
    inset: 0;
    background-image:
        linear-gradient(var(--border) 1px, transparent 1px),
        linear-gradient(90deg, var(--border) 1px, transparent 1px);
    background-size: 60px 60px;
    opacity: 0.3;
    z-index: -1;
}

/* Scroll Indicator */
.hero-scroll-indicator {
    position: absolute;
    bottom: var(--space-lg);
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--space-sm);
    color: var(--text-muted);
    font-size: 0.7rem;
    text-transform: uppercase;
    letter-spacing: 0.2em;
    opacity: 0;
    animation: fadeIn 0.8s var(--ease-out) 1.5s forwards;
}

.scroll-line {
    width: 1px;
    height: 40px;
    background: linear-gradient(to bottom, var(--text-muted), transparent);
    animation: scrollPulse 2s var(--ease-in-out) infinite;
}

/* Marquee */
.marquee-section {
    padding: var(--space-md) 0;
    background: var(--text-primary);
    overflow: hidden;
}

.marquee {
    display: flex;
    overflow: hidden;
}

.marquee-content {
    display: flex;
    align-items: center;
    gap: var(--space-lg);
    animation: marquee 30s linear infinite;
    white-space: nowrap;
}

.marquee-content span {
    font-size: 0.8rem;
    text-transform: uppercase;
    letter-spacing: 0.2em;
    color: var(--bg-cream);
}

.marquee-dot {
    color: var(--accent) !important;
    font-size: 0.6rem !important;
}

/* Features Section */
.features {
    padding: var(--space-xl) var(--space-md);
    max-width: 1400px;
    margin: 0 auto;
}

.features-header {
    display: grid;
    grid-template-columns: auto 1fr;
    gap: var(--space-lg);
    margin-bottom: var(--space-xl);
    align-items: start;
}

.section-number {
    font-family: var(--font-mono);
    font-size: 0.75rem;
    color: var(--text-muted);
    padding-top: 0.5rem;
}

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

.title-small {
    font-family: var(--font-mono);
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.2em;
    color: var(--text-secondary);
}

.title-large {
    font-family: var(--font-serif);
    font-size: clamp(2.5rem, 5vw, 4rem);
    font-weight: 400;
    line-height: 1.1;
}

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

.feature-card {
    background: white;
    padding: var(--space-md);
    border: 1px solid var(--border);
    position: relative;
    transition: all 0.4s var(--ease-out);
    opacity: 0;
    transform: translateY(30px);
}

.feature-card.in-view {
    opacity: 1;
    transform: translateY(0);
}

.feature-card:hover {
    border-color: var(--accent);
    box-shadow: 0 20px 60px rgba(26, 24, 20, 0.08);
}

.feature-card.feature-large {
    grid-column: span 2;
    grid-row: span 2;
    padding: var(--space-lg);
}

.feature-number {
    font-family: var(--font-mono);
    font-size: 0.7rem;
    color: var(--text-muted);
    margin-bottom: var(--space-md);
}

.feature-icon {
    width: 48px;
    height: 48px;
    margin-bottom: var(--space-md);
    color: var(--accent);
}

.feature-large .feature-icon {
    width: 64px;
    height: 64px;
}

.feature-card h3 {
    font-family: var(--font-serif);
    font-size: 1.4rem;
    font-weight: 400;
    margin-bottom: var(--space-sm);
    line-height: 1.3;
}

.feature-large h3 {
    font-size: 2rem;
}

.feature-card p {
    font-size: 0.9rem;
    color: var(--text-secondary);
    line-height: 1.7;
}

/* How Section */
.how-section {
    padding: var(--space-xl) var(--space-md);
    background: var(--bg-warm);
}

.how-header {
    max-width: 1400px;
    margin: 0 auto var(--space-xl);
    display: grid;
    grid-template-columns: auto 1fr;
    gap: var(--space-lg);
    align-items: start;
}

.steps-container {
    max-width: 900px;
    margin: 0 auto;
}

.step {
    display: grid;
    grid-template-columns: auto 1fr auto;
    gap: var(--space-lg);
    align-items: start;
    padding: var(--space-lg) 0;
    opacity: 0;
    transform: translateY(30px);
    transition: all 0.6s var(--ease-out);
}

.step.in-view {
    opacity: 1;
    transform: translateY(0);
}

.step-number {
    font-family: var(--font-serif);
    font-size: 4rem;
    line-height: 1;
    color: var(--border-dark);
}

.step-content h3 {
    font-family: var(--font-serif);
    font-size: 1.75rem;
    font-weight: 400;
    margin-bottom: var(--space-sm);
}

.step-content p {
    color: var(--text-secondary);
    line-height: 1.8;
    max-width: 400px;
}

.step-visual {
    width: 200px;
    height: 80px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.step-divider {
    height: 100px;
    display: flex;
    justify-content: center;
    color: var(--border-dark);
}

.step-divider svg {
    width: 24px;
    height: 100%;
}

/* Mock Elements */
.mock-input {
    background: white;
    padding: 1rem 1.5rem;
    border: 1px solid var(--border);
    font-family: var(--font-mono);
    font-size: 0.9rem;
    display: flex;
    align-items: center;
    gap: 2px;
}

.input-prefix {
    color: var(--text-secondary);
}

.input-cursor {
    width: 2px;
    height: 1.2em;
    background: var(--accent);
    animation: blink 1s step-end infinite;
}

.loading-dots {
    display: flex;
    gap: 8px;
}

.loading-dots span {
    width: 12px;
    height: 12px;
    background: var(--accent);
    border-radius: 50%;
    animation: loadingDot 1.4s ease-in-out infinite;
}

.loading-dots span:nth-child(2) { animation-delay: 0.2s; }
.loading-dots span:nth-child(3) { animation-delay: 0.4s; }

.mock-chart {
    display: flex;
    align-items: flex-end;
    gap: 8px;
    height: 60px;
}

.chart-bar {
    width: 30px;
    height: var(--height);
    background: var(--border-dark);
    transition: background 0.3s var(--ease-out);
}

.chart-bar.accent {
    background: var(--accent);
}

/* Story Section */
.story-section {
    padding: var(--space-xl) var(--space-md);
    background: var(--bg-cream);
}

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

.story-header {
    display: grid;
    grid-template-columns: auto 1fr;
    gap: var(--space-lg);
    margin-bottom: var(--space-xl);
    align-items: start;
}

.story-content {
    max-width: 700px;
}

.story-block {
    margin-bottom: var(--space-lg);
    opacity: 0;
    transform: translateY(20px);
    transition: all 0.6s var(--ease-out);
}

.story-block.in-view {
    opacity: 1;
    transform: translateY(0);
}

.story-lead {
    font-size: 1.25rem;
    line-height: 1.8;
    color: var(--text-primary);
    margin-bottom: var(--space-md);
}

.story-block p {
    font-size: 1rem;
    line-height: 1.9;
    color: var(--text-secondary);
    margin-bottom: var(--space-sm);
}

.story-block p:last-child {
    margin-bottom: 0;
}

.story-highlight {
    display: flex;
    gap: var(--space-md);
    padding: var(--space-lg);
    background: var(--bg-warm);
    border-left: 3px solid var(--accent);
    margin: var(--space-lg) 0;
    opacity: 0;
    transform: translateX(-20px);
    transition: all 0.6s var(--ease-out);
}

.story-highlight.in-view {
    opacity: 1;
    transform: translateX(0);
}

.highlight-mark {
    color: var(--accent);
    font-size: 1.5rem;
    line-height: 1;
    flex-shrink: 0;
}

.story-highlight p {
    font-family: var(--font-serif);
    font-size: 1.3rem;
    font-style: italic;
    line-height: 1.6;
    color: var(--text-primary);
    margin: 0;
}

/* Gap Section */
.gap-section {
    padding: var(--space-xl) var(--space-md);
    background: var(--bg-warm);
}

.gap-container {
    max-width: 1200px;
    margin: 0 auto;
}

.gap-header {
    display: grid;
    grid-template-columns: auto 1fr;
    gap: var(--space-lg);
    margin-bottom: var(--space-xl);
    align-items: start;
}

.gap-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-md);
    margin-bottom: var(--space-xl);
}

.gap-card {
    background: white;
    padding: var(--space-lg);
    border: 1px solid var(--border);
    opacity: 0;
    transform: translateY(20px);
    transition: all 0.5s var(--ease-out);
}

.gap-card.in-view {
    opacity: 1;
    transform: translateY(0);
}

.gap-card:nth-child(2) { transition-delay: 0.1s; }
.gap-card:nth-child(3) { transition-delay: 0.2s; }
.gap-card:nth-child(4) { transition-delay: 0.3s; }

.gap-icon {
    font-family: var(--font-serif);
    font-size: 3rem;
    color: var(--border-dark);
    margin-bottom: var(--space-sm);
    line-height: 1;
}

.gap-card h3 {
    font-family: var(--font-serif);
    font-size: 1.4rem;
    font-weight: 400;
    margin-bottom: var(--space-sm);
    color: var(--text-primary);
}

.gap-card p {
    font-size: 0.95rem;
    line-height: 1.7;
    color: var(--text-secondary);
}

.gap-summary {
    max-width: 700px;
    margin: 0 auto;
    text-align: center;
}

.gap-summary p {
    font-size: 1.1rem;
    line-height: 1.8;
    color: var(--text-secondary);
}

/* Control Section */
.control-section {
    padding: var(--space-xl) var(--space-md);
    background: var(--text-primary);
    color: var(--bg-cream);
}

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

.control-header {
    display: grid;
    grid-template-columns: auto 1fr;
    gap: var(--space-lg);
    margin-bottom: var(--space-xl);
    align-items: start;
}

.control-header .section-number {
    color: var(--text-muted);
}

.control-header .title-small {
    color: var(--text-muted);
}

.control-header .title-large {
    color: var(--bg-cream);
}

.control-content {
    max-width: 800px;
}

.control-block {
    margin-bottom: var(--space-lg);
}

.control-lead {
    font-size: 1.25rem;
    line-height: 1.8;
    color: var(--bg-cream);
    margin-bottom: var(--space-md);
}

.control-block p {
    font-size: 1rem;
    line-height: 1.9;
    color: var(--text-muted);
    margin-bottom: var(--space-sm);
}

.control-block p:last-child {
    margin-bottom: 0;
}

.control-block em {
    color: var(--bg-cream);
    font-style: italic;
}

/* Pipeline Visual */
.pipeline-visual {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    padding: var(--space-lg) 0;
    margin: var(--space-lg) 0;
    border-top: 1px solid rgba(247, 245, 240, 0.1);
    border-bottom: 1px solid rgba(247, 245, 240, 0.1);
    overflow-x: auto;
}

.pipeline-step {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    padding: var(--space-md);
    background: rgba(247, 245, 240, 0.05);
    border: 1px solid rgba(247, 245, 240, 0.1);
    min-width: 140px;
    transition: all 0.3s var(--ease-out);
}

.pipeline-step.active {
    background: var(--accent);
    border-color: var(--accent);
}

.pipeline-label {
    font-family: var(--font-serif);
    font-size: 1rem;
    color: var(--bg-cream);
    margin-bottom: 0.25rem;
}

.pipeline-desc {
    font-size: 0.7rem;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--text-muted);
}

.pipeline-step.active .pipeline-desc {
    color: rgba(255, 255, 255, 0.8);
}

.pipeline-arrow {
    color: var(--text-muted);
    font-size: 1.25rem;
    flex-shrink: 0;
}

/* Solution Section */
.solution-section {
    padding: var(--space-xl) var(--space-md);
    background: var(--bg-cream);
}

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

.solution-header {
    display: grid;
    grid-template-columns: auto 1fr;
    gap: var(--space-lg);
    margin-bottom: var(--space-xl);
    align-items: start;
}

.solution-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-xl);
    margin-bottom: var(--space-xl);
}

.solution-intro {
    max-width: 450px;
}

.solution-lead {
    font-size: 1.2rem;
    line-height: 1.8;
    color: var(--text-primary);
    margin-bottom: var(--space-md);
}

.solution-intro p {
    font-size: 1rem;
    line-height: 1.8;
    color: var(--text-secondary);
}

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

.solution-feature {
    display: flex;
    gap: var(--space-sm);
    opacity: 0;
    transform: translateX(20px);
    transition: all 0.5s var(--ease-out);
}

.solution-feature.in-view {
    opacity: 1;
    transform: translateX(0);
}

.solution-feature:nth-child(2) { transition-delay: 0.1s; }
.solution-feature:nth-child(3) { transition-delay: 0.2s; }
.solution-feature:nth-child(4) { transition-delay: 0.3s; }

.feature-bullet {
    color: var(--accent);
    font-weight: 700;
    flex-shrink: 0;
    margin-top: 2px;
}

.solution-feature h4 {
    font-family: var(--font-serif);
    font-size: 1.15rem;
    font-weight: 400;
    margin-bottom: 0.25rem;
    color: var(--text-primary);
}

.solution-feature p {
    font-size: 0.9rem;
    line-height: 1.7;
    color: var(--text-secondary);
}

.solution-cta {
    text-align: center;
    padding: var(--space-lg);
    background: var(--text-primary);
}

.solution-cta p {
    font-family: var(--font-serif);
    font-size: 1.5rem;
    font-style: italic;
    color: var(--bg-cream);
    margin: 0;
}

/* Stack Section */
.stack-section {
    padding: var(--space-lg) var(--space-md);
    background: var(--bg-warm);
    border-top: 1px solid var(--border);
    border-bottom: 1px solid var(--border);
}

.stack-container {
    max-width: 1000px;
    margin: 0 auto;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--space-lg);
}

.stack-header h3 {
    font-family: var(--font-mono);
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.2em;
    color: var(--text-muted);
}

.stack-logos {
    display: flex;
    gap: var(--space-xl);
}

.stack-item {
    text-decoration: none;
    text-align: center;
    transition: transform 0.3s var(--ease-out);
}

.stack-item:hover {
    transform: translateY(-4px);
}

.stack-name {
    display: block;
    font-family: var(--font-serif);
    font-size: 1.25rem;
    color: var(--text-primary);
    margin-bottom: 0.25rem;
}

.stack-desc {
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--text-muted);
}

/* CTA Section */
.cta-section {
    padding: var(--space-xl) var(--space-md);
    background: var(--text-primary);
    position: relative;
    overflow: hidden;
}

.cta-container {
    max-width: 1400px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: 1fr auto;
    gap: var(--space-xl);
    align-items: center;
}

.cta-content {
    opacity: 0;
    transform: translateY(30px);
    transition: all 0.6s var(--ease-out);
}

.cta-content.in-view {
    opacity: 1;
    transform: translateY(0);
}

.cta-content h2 {
    font-family: var(--font-serif);
    font-size: clamp(2.5rem, 5vw, 4rem);
    font-weight: 400;
    color: var(--bg-cream);
    line-height: 1.2;
    margin-bottom: var(--space-md);
}

.cta-content p {
    font-size: 1rem;
    color: var(--text-muted);
    margin-bottom: var(--space-lg);
}

.cta-section .btn-primary {
    background: var(--accent);
    color: white;
}

.cta-section .btn-primary::before {
    background: var(--bg-cream);
}

.cta-section .btn-primary:hover {
    color: var(--text-primary);
}

.cta-decoration {
    opacity: 0.1;
}

.deco-symbol {
    font-size: 20rem;
    color: var(--bg-cream);
    line-height: 1;
}

/* Status Section */
.status-section {
    padding: var(--space-lg) var(--space-md);
    background: var(--bg-cream);
}

.status-container {
    max-width: 600px;
    margin: 0 auto;
    text-align: center;
}

.status-content {
    padding: var(--space-lg);
    background: var(--bg-warm);
    border: 1px solid var(--border);
    opacity: 0;
    transform: translateY(20px);
    transition: all 0.6s var(--ease-out);
}

.status-content.in-view {
    opacity: 1;
    transform: translateY(0);
}

.status-content h2 {
    font-family: var(--font-mono);
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.2em;
    color: var(--text-muted);
    margin-bottom: var(--space-sm);
}

.status-label {
    font-family: var(--font-serif);
    font-size: 1.75rem;
    color: var(--accent);
    margin-bottom: var(--space-sm);
}

.status-desc {
    font-size: 0.95rem;
    color: var(--text-secondary);
    line-height: 1.7;
}

/* Footer */
.footer {
    padding: var(--space-xl) var(--space-md) var(--space-md);
    background: var(--bg-cream);
    border-top: 1px solid var(--border);
}

.footer-inner {
    max-width: 1400px;
    margin: 0 auto var(--space-xl);
    display: grid;
    grid-template-columns: 1fr auto;
    gap: var(--space-xl);
}

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

.footer-brand p {
    font-size: 0.9rem;
    color: var(--text-secondary);
    max-width: 300px;
}

.footer-links {
    display: flex;
    gap: var(--space-xl);
}

.footer-col h4 {
    font-family: var(--font-mono);
    font-size: 0.7rem;
    text-transform: uppercase;
    letter-spacing: 0.2em;
    color: var(--text-muted);
    margin-bottom: var(--space-sm);
}

.footer-col a {
    display: block;
    font-size: 0.9rem;
    color: var(--text-secondary);
    text-decoration: none;
    padding: 0.25rem 0;
    transition: color 0.3s var(--ease-out);
}

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

.footer-bottom {
    max-width: 1400px;
    margin: 0 auto;
    padding-top: var(--space-md);
    border-top: 1px solid var(--border);
    display: flex;
    justify-content: space-between;
    font-size: 0.8rem;
    color: var(--text-muted);
}

/* WIP Section (Portfolio page) */
.wip-section {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: var(--space-xl) var(--space-md);
    background: var(--bg-cream);
}

.wip-content {
    text-align: center;
    max-width: 600px;
}

.wip-icon {
    font-size: 5rem;
    margin-bottom: var(--space-md);
    opacity: 0;
    animation: fadeIn 0.8s var(--ease-out) forwards;
}

.wip-title {
    font-family: var(--font-serif);
    font-size: clamp(2.5rem, 5vw, 4rem);
    font-weight: 400;
    margin-bottom: var(--space-md);
    opacity: 0;
    animation: fadeInUp 0.8s var(--ease-out) 0.2s forwards;
}

.wip-message {
    font-size: 1.1rem;
    color: var(--text-secondary);
    line-height: 1.8;
    margin-bottom: var(--space-sm);
    opacity: 0;
    animation: fadeIn 0.8s var(--ease-out) 0.4s forwards;
}

.wip-submessage {
    font-size: 0.9rem;
    color: var(--text-muted);
    margin-bottom: var(--space-lg);
    opacity: 0;
    animation: fadeIn 0.8s var(--ease-out) 0.5s forwards;
}

.wip-section .btn-primary {
    opacity: 0;
    animation: fadeIn 0.8s var(--ease-out) 0.6s forwards;
}

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

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

@keyframes fadeInRight {
    from {
        opacity: 0;
        transform: translateX(30px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

@keyframes drawLine {
    to {
        stroke-dashoffset: 0;
    }
}

@keyframes scrollPulse {
    0%, 100% {
        opacity: 1;
        transform: scaleY(1);
    }
    50% {
        opacity: 0.5;
        transform: scaleY(0.8);
    }
}

@keyframes marquee {
    0% {
        transform: translateX(0);
    }
    100% {
        transform: translateX(-50%);
    }
}

@keyframes blink {
    50% { opacity: 0; }
}

@keyframes loadingDot {
    0%, 80%, 100% {
        transform: scale(0.6);
        opacity: 0.5;
    }
    40% {
        transform: scale(1);
        opacity: 1;
    }
}

/* Responsive */
@media (max-width: 1024px) {
    .hero-grid {
        grid-template-columns: 1fr;
        gap: var(--space-lg);
    }

    .hero-left {
        max-width: 100%;
    }

    .hero-visual {
        height: 400px;
    }

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

    .feature-card.feature-large {
        grid-column: span 2;
        grid-row: span 1;
    }

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

    .cta-decoration {
        display: none;
    }
}

@media (max-width: 768px) {
    :root {
        --space-lg: 3rem;
        --space-xl: 5rem;
    }

    .nav-links {
        gap: var(--space-sm);
    }

    .nav-link {
        display: none;
    }

    .hero {
        padding-top: calc(60px + var(--space-lg));
    }

    .hero-actions {
        flex-direction: column;
        align-items: flex-start;
    }

    .hero-visual {
        height: 350px;
    }

    .card-1 {
        width: 240px;
    }

    .card-2 {
        left: 0;
        width: 160px;
    }

    .card-3 {
        right: 20px;
        width: 150px;
    }

    .hero-scroll-indicator {
        display: none;
    }

    .features-header,
    .how-header,
    .story-header,
    .gap-header,
    .solution-header {
        grid-template-columns: 1fr;
        gap: var(--space-sm);
    }

    .section-number {
        padding-top: 0;
    }

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

    .feature-card.feature-large {
        grid-column: span 1;
    }

    .step {
        grid-template-columns: auto 1fr;
        gap: var(--space-md);
    }

    .step-visual {
        display: none;
    }

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

    /* Story section mobile */
    .story-highlight {
        flex-direction: column;
        gap: var(--space-sm);
    }

    .story-highlight p {
        font-size: 1.1rem;
    }

    /* Gap section mobile */
    .gap-grid {
        grid-template-columns: 1fr;
    }

    .gap-card {
        padding: var(--space-md);
    }

    /* Control section mobile */
    .control-header {
        grid-template-columns: 1fr;
        gap: var(--space-sm);
    }

    .pipeline-visual {
        flex-wrap: wrap;
        justify-content: center;
    }

    .pipeline-step {
        min-width: 120px;
        padding: var(--space-sm);
    }

    .pipeline-arrow {
        display: none;
    }

    /* Solution section mobile */
    .solution-content {
        grid-template-columns: 1fr;
        gap: var(--space-lg);
    }

    .solution-cta p {
        font-size: 1.2rem;
    }

    /* Stack section mobile */
    .stack-container {
        flex-direction: column;
        text-align: center;
    }

    .stack-logos {
        flex-direction: column;
        gap: var(--space-md);
    }

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

    .footer-links {
        gap: var(--space-lg);
    }

    .footer-bottom {
        flex-direction: column;
        gap: var(--space-xs);
    }
}

@media (max-width: 480px) {
    body {
        font-size: 14px;
    }

    .hero-visual {
        height: 300px;
    }

    .card-1 {
        width: 200px;
        padding: 1rem;
    }

    .card-1 .card-value {
        font-size: 2rem;
    }

    .card-2, .card-3 {
        padding: 0.75rem;
    }

    .card-2 .card-value,
    .card-3 .card-value {
        font-size: 1.5rem;
    }

    .feature-card {
        padding: var(--space-sm);
    }

    .step-number {
        font-size: 2.5rem;
    }
}