:root {
    --color-bg: #fafaf8;
    --color-text: #1a1a1a;
    --color-text-muted: #6b6b6b;
    --color-accent: #c45d3e;
    --color-border: #e8e6e3;
    --font: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    --max-width: 1200px;
    --space-xs: 0.5rem;
    --space-sm: 1rem;
    --space-md: 2rem;
    --space-lg: 4rem;
    --space-xl: 8rem;
    --space-2xl: 12rem;
}

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

html {
    font-size: 16px;
    scroll-behavior: smooth;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

body {
    font-family: var(--font);
    background-color: var(--color-bg);
    color: var(--color-text);
    line-height: 1.6;
    overflow-x: hidden;
}

.container {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 var(--space-md);
}

/* Header */
.site-header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 100;
    padding: var(--space-sm) var(--space-md);
    background-color: rgba(250, 250, 248, 0.9);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
}

.nav {
    max-width: var(--max-width);
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    font-size: 1rem;
    font-weight: 600;
    text-decoration: none;
    color: var(--color-text);
    letter-spacing: -0.02em;
}

.nav-link {
    font-size: 0.875rem;
    text-decoration: none;
    color: var(--color-text-muted);
    transition: color 0.2s ease;
}

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

/* Hero */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding: var(--space-2xl) 0 var(--space-xl);
}

.hero-headline {
    font-size: clamp(2.5rem, 6vw, 4.5rem);
    font-weight: 600;
    line-height: 1.1;
    letter-spacing: -0.03em;
    max-width: 900px;
}

.hero-sub {
    margin-top: var(--space-md);
    font-size: clamp(1.1rem, 2vw, 1.35rem);
    color: var(--color-text-muted);
    max-width: 600px;
    line-height: 1.5;
}

/* Section Label */
.section-label {
    font-size: 0.8rem;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--color-text-muted);
    margin-bottom: var(--space-lg);
}

/* What We Do */
.what-we-do {
    padding: var(--space-xl) 0;
    border-top: 1px solid var(--color-border);
}

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

.three-col h3 {
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: var(--space-sm);
    letter-spacing: -0.01em;
}

.three-col p {
    font-size: 1rem;
    color: var(--color-text-muted);
    line-height: 1.7;
}

/* Process */
.process {
    padding: var(--space-xl) 0;
    border-top: 1px solid var(--color-border);
}

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

.process-step {
    padding: var(--space-md) 0;
}

.step-num {
    display: block;
    font-size: 0.8rem;
    font-weight: 500;
    color: var(--color-accent);
    margin-bottom: var(--space-sm);
    letter-spacing: 0.05em;
}

.process-step h3 {
    font-size: 1.1rem;
    font-weight: 600;
    margin-bottom: var(--space-xs);
    letter-spacing: -0.01em;
}

.process-step p {
    font-size: 0.95rem;
    color: var(--color-text-muted);
    line-height: 1.6;
}

/* Audience Sections */
.audience {
    padding: var(--space-xl) 0;
    border-top: 1px solid var(--color-border);
}


.split {
    display: grid;
    grid-template-columns: 1fr 2fr;
    gap: var(--space-lg);
    align-items: start;
}

.split-label {
    font-size: 0.8rem;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--color-text-muted);
    padding-top: 0.4rem;
}

.split-content h2 {
    font-size: clamp(1.75rem, 3.5vw, 2.5rem);
    font-weight: 600;
    line-height: 1.2;
    letter-spacing: -0.02em;
    margin-bottom: var(--space-md);
}

.split-content p {
    font-size: 1.05rem;
    color: var(--color-text-muted);
    line-height: 1.7;
    margin-bottom: var(--space-sm);
    max-width: 640px;
}

.split-content p:last-child {
    margin-bottom: 0;
}

/* Contact */
.contact {
    padding: var(--space-2xl) 0;
    border-top: 1px solid var(--color-border);
}

.contact-inner {
    max-width: 700px;
}

.contact h2 {
    font-size: clamp(1.5rem, 3vw, 2rem);
    font-weight: 500;
    line-height: 1.4;
    letter-spacing: -0.01em;
    margin-bottom: var(--space-md);
}

.email-link {
    display: inline-block;
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--color-text);
    text-decoration: none;
    border-bottom: 2px solid var(--color-accent);
    padding-bottom: 2px;
    transition: border-color 0.2s ease;
}

.email-link:hover {
    border-color: var(--color-text);
}

/* Footer */
.site-footer {
    padding: var(--space-md) 0;
    border-top: 1px solid var(--color-border);
}

.footer-inner {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.footer-logo {
    font-size: 0.875rem;
    font-weight: 500;
}

.footer-note {
    font-size: 0.8rem;
    color: var(--color-text-muted);
}

/* Reveal Animations */
.reveal {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.8s cubic-bezier(0.25, 0.46, 0.45, 0.94),
                transform 0.8s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

.reveal.visible {
    opacity: 1;
    transform: translateY(0);
}

/* Responsive */
@media (max-width: 900px) {
    .three-col {
        grid-template-columns: 1fr;
        gap: var(--space-md);
    }

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

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

@media (max-width: 600px) {
    :root {
        --space-xl: 5rem;
        --space-2xl: 7rem;
    }

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

    .hero {
        min-height: 85vh;
    }
}