/* StreetMatch 2026 - Authentic Modern Design */

@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700;800&display=swap');

:root {
    /* 2026 Monochrome + Accent */
    --color-primary: #0A0A0A;
    --color-accent: #0066FF;
    --color-bg: #FFFFFF;
    --color-surface: #F8F8F8;
    --color-border: #E0E0E0;
    --color-text-secondary: #666666;
    
    /* Brutal spacing */
    --space-unit: 8px;
}

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

body {
    font-family: 'Inter', -apple-system, sans-serif;
    background: var(--color-bg);
    color: var(--color-primary);
    line-height: 1.5;
    -webkit-font-smoothing: antialiased;
    font-feature-settings: 'ss01' on, 'ss02' on;
}

/* Typography - 2026 Style */
h1 {
    font-size: clamp(3rem, 8vw, 5rem);
    font-weight: 800;
    line-height: 0.95;
    letter-spacing: -0.04em;
}

h2 {
    font-size: clamp(2rem, 5vw, 3rem);
    font-weight: 700;
    line-height: 1.1;
    letter-spacing: -0.03em;
}

/* Navigation - Minimal */
nav {
    background: var(--color-bg);
    border-bottom: 1px solid var(--color-border);
}

/* Cards - Flat with Sharp Edges */
.walk-card {
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    padding: calc(var(--space-unit) * 3);
    transition: transform 0.2s cubic-bezier(0.16, 1, 0.3, 1);
}

.walk-card:hover {
    transform: scale(0.98);
    border-color: var(--color-primary);
}

/* Buttons - 2026 Minimal Style */
.btn-primary {
    background: var(--color-primary);
    color: white;
    border: none;
    padding: 16px 32px;
    font-weight: 600;
    font-size: 15px;
    cursor: pointer;
    transition: all 0.2s cubic-bezier(0.16, 1, 0.3, 1);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.btn-primary:hover {
    background: var(--color-accent);
    transform: translateY(-1px);
}

.btn-secondary {
    background: transparent;
    color: var(--color-primary);
    border: 2px solid var(--color-primary);
    padding: 14px 30px;
    font-weight: 600;
    font-size: 15px;
    cursor: pointer;
    transition: all 0.2s;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

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

/* Accent Badge - Clean */
.status-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 6px 16px;
    background: var(--color-primary);
    color: white;
    font-size: 13px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.08em;
}

/* Stats - Brutalist */
.stat-block {
    background: var(--color-primary);
    color: white;
    padding: calc(var(--space-unit) * 4);
    text-align: center;
}

.stat-number {
    font-size: 3rem;
    font-weight: 800;
    line-height: 1;
    letter-spacing: -0.02em;
}

.stat-label {
    font-size: 12px;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    opacity: 0.7;
    margin-top: 8px;
}

/* Grid System - 2026 */
.grid-modern {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2px;
    background: var(--color-border);
}

.grid-modern > * {
    background: var(--color-bg);
}

/* Accent Lines */
.accent-line {
    height: 4px;
    background: var(--color-accent);
    width: 60px;
}

/* Section Divider */
.section-divider {
    height: 1px;
    background: var(--color-border);
    margin: calc(var(--space-unit) * 8) 0;
}

/* Feature Block - Minimal */
.feature-block {
    padding: calc(var(--space-unit) * 4);
    border-left: 4px solid var(--color-primary);
}

.feature-block h3 {
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 12px;
}

.feature-block p {
    color: var(--color-text-secondary);
    line-height: 1.6;
}

/* Image Treatment - 2026 */
img {
    display: block;
    width: 100%;
    height: auto;
}

.profile-photo {
    border: 2px solid var(--color-primary);
    object-fit: cover;
}

/* CTA Block - Bold */
.cta-block {
    background: var(--color-accent);
    color: white;
    padding: calc(var(--space-unit) * 8);
    text-align: center;
}

.cta-block h2 {
    color: white;
    margin-bottom: calc(var(--space-unit) * 2);
}

/* Typography Utilities */
.text-uppercase {
    text-transform: uppercase;
    letter-spacing: 0.08em;
    font-weight: 600;
}

.text-small {
    font-size: 13px;
}

/* Spacing System */
.space-y-1 { margin-top: calc(var(--space-unit) * 1); }
.space-y-2 { margin-top: calc(var(--space-unit) * 2); }
.space-y-3 { margin-top: calc(var(--space-unit) * 3); }
.space-y-4 { margin-top: calc(var(--space-unit) * 4); }
.space-y-6 { margin-top: calc(var(--space-unit) * 6); }

/* Responsive */
@media (max-width: 768px) {
    h1 { font-size: 3rem; }
    .stat-number { font-size: 2rem; }
    .grid-modern { grid-template-columns: 1fr; }
}

/* Micro-interactions */
@media (prefers-reduced-motion: no-preference) {
    a, button {
        transition: all 0.2s cubic-bezier(0.16, 1, 0.3, 1);
    }
}