/* ============================================
   Andy Butikofer - Personal Site
   Dark top, light bottom
   ============================================ */

:root {
    /* Dark section colors (nav, hero, ventures) */
    --dark-bg: #0a0a0a;
    --dark-bg-card: #111111;
    --dark-bg-card-hover: #1a1a1a;
    --dark-bg-alt: #0f0f0f;
    --dark-text: #ffffff;
    --dark-text-muted: #9ca3af;
    --dark-text-dim: #6b7280;
    --dark-border: #222;
    --dark-border-light: #333333;

    /* Light section colors (buybox, lend, submit, about, footer) */
    --light-bg: #ffffff;
    --light-bg-alt: #f7f7f8;
    --light-bg-card: #ffffff;
    --light-bg-card-dark: #f2f2f4;
    --light-text: #1f2937;
    --light-text-muted: #4b5563;
    --light-text-dim: #6b7280;
    --light-border: #e2e2e6;

    /* Shared */
    --color-accent: #dc2626;
    --color-accent-hover: #ef4444;
    --color-accent-dark: #b91c1c;
    --color-accent-dim: rgba(220, 38, 38, 0.1);
    --color-accent-dim-dark: rgba(220, 38, 38, 0.15);
    --color-core-market: #dcfce7;
    --color-core-market-text: #166534;
    --color-core-market-border: #86efac;
    --font: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    --radius: 10px;
    --radius-lg: 12px;
    --max-width: 1100px;
    --transition: 0.2s ease;
}

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

html {
    scroll-behavior: smooth;
    scroll-padding-top: 80px;
}

body {
    font-family: var(--font);
    background: var(--light-bg);
    color: var(--light-text);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
}

a {
    color: var(--color-accent);
    text-decoration: none;
    transition: color var(--transition);
}

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

img {
    max-width: 100%;
    height: auto;
    display: block;
}

/* Container */
.container {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 24px;
}

/* ============================================
   Navigation (DARK)
   ============================================ */
.nav {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: rgba(10, 10, 10, 0.95);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--dark-border);
    transition: background var(--transition);
}

.nav-container {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 24px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 64px;
}

.nav-logo {
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--dark-text);
    letter-spacing: -0.02em;
}

.nav-logo:hover {
    color: var(--color-accent);
}

.nav-links {
    display: flex;
    list-style: none;
    gap: 32px;
}

.nav-links a {
    color: var(--dark-text-muted);
    font-size: 0.875rem;
    font-weight: 500;
    transition: color var(--transition);
}

.nav-links a:hover {
    color: var(--dark-text);
}

.nav-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 4px;
}

.nav-toggle span {
    width: 24px;
    height: 2px;
    background: var(--dark-text);
    transition: all 0.3s ease;
}

/* ============================================
   Buttons
   ============================================ */
.btn {
    display: inline-block;
    padding: 12px 28px;
    border-radius: var(--radius);
    font-size: 0.9rem;
    font-weight: 600;
    font-family: var(--font);
    cursor: pointer;
    transition: all var(--transition);
    text-align: center;
    border: none;
}

.btn-primary {
    background: var(--color-accent);
    color: #fff;
}

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

.btn-outline {
    background: transparent;
    color: var(--dark-text);
    border: 1px solid var(--dark-border-light);
}

.btn-outline:hover {
    border-color: var(--dark-text-muted);
    color: var(--dark-text);
    transform: translateY(-1px);
}

/* Light section button overrides */
.btn-outline-light {
    background: transparent;
    color: var(--light-text);
    border: 1px solid var(--light-border);
}

.btn-outline-light:hover {
    border-color: var(--light-text-muted);
    color: var(--light-text);
    transform: translateY(-1px);
}

.btn-full {
    width: 100%;
    display: block;
}

.btn-submit {
    padding: 14px 48px;
    font-size: 1rem;
}

/* ============================================
   Hero Section (DARK)
   ============================================ */
.hero {
    padding: 140px 0 80px;
    background: var(--dark-bg);
    color: var(--dark-text);
}

.hero-container {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 24px;
    display: grid;
    grid-template-columns: 1fr auto;
    gap: 60px;
    align-items: center;
}

.hero h1 {
    font-size: 3.2rem;
    font-weight: 800;
    letter-spacing: -0.03em;
    line-height: 1.1;
    margin-bottom: 16px;
    color: var(--dark-text);
}

.hero-subtitle {
    font-size: 1.15rem;
    color: var(--color-accent);
    font-weight: 600;
    margin-bottom: 16px;
}

.hero-text {
    font-size: 1.05rem;
    color: var(--dark-text-muted);
    max-width: 520px;
    margin-bottom: 32px;
    line-height: 1.7;
}

.hero-buttons {
    display: flex;
    gap: 12px;
}

.hero-image {
    width: 280px;
    height: 280px;
    border-radius: 50%;
    overflow: hidden;
    border: 3px solid var(--dark-border-light);
    flex-shrink: 0;
}

.hero-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

/* ============================================
   Section Titles
   ============================================ */
.section-title {
    font-size: 2rem;
    font-weight: 800;
    letter-spacing: -0.02em;
    margin-bottom: 8px;
}

.section-subtitle {
    font-size: 1.05rem;
    margin-bottom: 48px;
    max-width: 600px;
}

/* ============================================
   Ventures Section (DARK)
   ============================================ */
.ventures {
    padding: 80px 0;
    background: var(--dark-bg-alt);
    color: var(--dark-text);
}

.ventures .section-title {
    color: var(--dark-text);
}

.ventures-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
    margin-top: 40px;
}

.venture-card {
    background: var(--dark-bg-card);
    border: 1px solid var(--dark-border);
    border-radius: var(--radius-lg);
    padding: 32px 28px;
    display: flex;
    flex-direction: column;
    transition: all 0.3s ease;
    color: var(--dark-text);
}

.venture-card:hover {
    background: var(--dark-bg-card-hover);
    border-color: var(--dark-border-light);
    transform: translateY(-2px);
    color: var(--dark-text);
}

.venture-icon {
    width: 44px;
    height: 44px;
    background: var(--color-accent-dim-dark);
    border-radius: var(--radius);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 20px;
}

.venture-icon svg {
    width: 22px;
    height: 22px;
    color: var(--color-accent);
}

.venture-card h3 {
    font-size: 1.15rem;
    font-weight: 700;
    margin-bottom: 10px;
}

.venture-card p {
    color: var(--dark-text-muted);
    font-size: 0.9rem;
    line-height: 1.6;
    flex-grow: 1;
    margin-bottom: 16px;
}

.venture-link {
    color: var(--color-accent);
    font-size: 0.875rem;
    font-weight: 600;
}

/* ============================================
   Buybox Section (LIGHT)
   ============================================ */
.buybox {
    padding: 80px 0;
    background: var(--light-bg);
    color: var(--light-text);
}

.buybox .section-title {
    color: var(--light-text);
}

.buybox .section-subtitle {
    color: var(--light-text-muted);
}

.buybox-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 24px;
}

.buybox-card {
    background: var(--light-bg-card);
    border: 1px solid var(--light-border);
    border-radius: var(--radius-lg);
    padding: 32px;
    box-shadow: 0 1px 3px rgba(0,0,0,0.06);
}

.buybox-card-header {
    display: flex;
    align-items: center;
    gap: 14px;
    margin-bottom: 28px;
    padding-bottom: 20px;
    border-bottom: 1px solid var(--light-border);
}

.buybox-card-header svg {
    width: 28px;
    height: 28px;
    color: var(--color-accent);
    flex-shrink: 0;
}

.buybox-card-header h3 {
    font-size: 1.2rem;
    font-weight: 700;
    color: var(--light-text);
}

.buybox-details {
    display: flex;
    flex-direction: column;
    gap: 16px;
    margin-bottom: 28px;
}

.buybox-row {
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.buybox-label {
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--light-text-dim);
}

.buybox-value {
    font-size: 0.95rem;
    color: var(--light-text);
    line-height: 1.5;
}

.buybox-markets h4 {
    font-size: 0.85rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.04em;
    color: var(--light-text-dim);
    margin-bottom: 12px;
}

.market-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-bottom: 12px;
}

.market-tag {
    background: var(--light-bg-alt);
    border: 1px solid var(--light-border);
    border-radius: 20px;
    padding: 6px 14px;
    font-size: 0.8rem;
    color: var(--light-text-muted);
}

.market-tag.core {
    background: var(--color-core-market);
    border-color: var(--color-core-market-border);
    color: var(--color-core-market-text);
}

.market-note {
    font-size: 0.8rem;
    color: var(--light-text-dim);
    font-style: italic;
}

.buybox-cta {
    text-align: center;
    margin-top: 48px;
    color: var(--light-text);
}

.buybox-cta p {
    font-size: 1.1rem;
    font-weight: 600;
    margin-bottom: 16px;
}

/* ============================================
   Lend With Me Section (LIGHT ALT)
   ============================================ */
.lend {
    padding: 80px 0;
    background: var(--light-bg-alt);
    color: var(--light-text);
}

.lend .section-title {
    color: var(--light-text);
}

.lend .section-subtitle {
    color: var(--light-text-muted);
}

.lend-grid {
    display: grid;
    grid-template-columns: 1.3fr 1fr;
    gap: 40px;
    align-items: start;
}

.lend-offer {
    background: var(--light-bg-card);
    border: 1px solid var(--light-border);
    border-radius: var(--radius-lg);
    padding: 32px;
    text-align: center;
    margin-bottom: 40px;
    box-shadow: 0 1px 3px rgba(0,0,0,0.06);
}

.lend-stat {
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.lend-number {
    font-size: 3rem;
    font-weight: 800;
    color: var(--color-accent);
    letter-spacing: -0.03em;
    line-height: 1;
}

.lend-label {
    font-size: 0.9rem;
    color: var(--light-text-muted);
    font-weight: 500;
}

.lend-content h3 {
    font-size: 1.3rem;
    font-weight: 700;
    margin-bottom: 24px;
    color: var(--light-text);
}

.lend-steps {
    display: flex;
    flex-direction: column;
    gap: 24px;
}

.lend-step {
    display: flex;
    gap: 16px;
}

.step-number {
    width: 36px;
    height: 36px;
    min-width: 36px;
    background: var(--color-accent-dim);
    color: var(--color-accent);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 0.9rem;
}

.lend-step h4 {
    font-size: 1rem;
    font-weight: 700;
    margin-bottom: 4px;
    color: var(--light-text);
}

.lend-step p {
    font-size: 0.9rem;
    color: var(--light-text-muted);
    line-height: 1.6;
}

.lend-sidebar {
    display: flex;
    flex-direction: column;
    gap: 24px;
}

.lend-why {
    background: var(--light-bg-card);
    border: 1px solid var(--light-border);
    border-radius: var(--radius-lg);
    padding: 28px;
    box-shadow: 0 1px 3px rgba(0,0,0,0.06);
}

.lend-why h3 {
    font-size: 1.05rem;
    font-weight: 700;
    margin-bottom: 16px;
    color: var(--light-text);
}

.lend-why ul {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.lend-why li {
    font-size: 0.9rem;
    color: var(--light-text-muted);
    padding-left: 20px;
    position: relative;
    line-height: 1.5;
}

.lend-why li::before {
    content: '';
    position: absolute;
    left: 0;
    top: 8px;
    width: 8px;
    height: 8px;
    background: var(--color-accent);
    border-radius: 50%;
}

/* Lend Intake Form */
.lend-form-wrapper {
    margin-top: 48px;
    padding-top: 40px;
    border-top: 1px solid var(--light-border);
}

.lend-form-wrapper h3 {
    font-size: 1.3rem;
    font-weight: 700;
    margin-bottom: 24px;
    color: var(--light-text);
}

.lend-form .form-group input,
.lend-form .form-group select,
.lend-form .form-group textarea {
    background: var(--light-bg-alt);
    border: 1px solid var(--light-border);
    border-radius: var(--radius);
    padding: 12px 16px;
    font-size: 0.95rem;
    color: var(--light-text);
    font-family: var(--font);
    transition: border-color var(--transition);
}

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

.lend-form .form-group select {
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%236b7280' d='M6 8L1 3h10z'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 16px center;
    padding-right: 40px;
}

.lend-form .form-group label {
    font-size: 0.8rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.04em;
    color: var(--light-text-dim);
}

.lend-form .form-group textarea {
    resize: vertical;
    min-height: 80px;
}

.lend-cta-box {
    background: var(--light-bg-card);
    border: 2px solid var(--color-accent);
    border-radius: var(--radius-lg);
    padding: 28px;
}

.lend-cta-box h4 {
    font-size: 1.1rem;
    font-weight: 700;
    margin-bottom: 8px;
    color: var(--light-text);
}

.lend-cta-box p {
    font-size: 0.875rem;
    color: var(--light-text-muted);
    margin-bottom: 20px;
    line-height: 1.6;
}

.lend-cta-box .btn {
    margin-bottom: 10px;
}

.lend-cta-box .btn:last-child {
    margin-bottom: 0;
}

.lend-cta-box .btn-outline {
    color: var(--light-text);
    border-color: var(--light-border);
}

.lend-cta-box .btn-outline:hover {
    border-color: var(--light-text-muted);
    color: var(--light-text);
}

/* ============================================
   Submit a Deal Section (LIGHT)
   ============================================ */
.submit {
    padding: 80px 0;
    background: var(--light-bg);
    color: var(--light-text);
}

.submit .section-title {
    color: var(--light-text);
}

.submit .section-subtitle {
    color: var(--light-text-muted);
}

.deal-form {
    max-width: 700px;
    margin: 0 auto;
}

.form-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
    margin-bottom: 32px;
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.form-group.full-width {
    grid-column: 1 / -1;
}

.form-group label {
    font-size: 0.8rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.04em;
    color: var(--light-text-dim);
}

.form-group input,
.form-group select,
.form-group textarea {
    background: var(--light-bg-alt);
    border: 1px solid var(--light-border);
    border-radius: var(--radius);
    padding: 12px 16px;
    font-size: 0.95rem;
    color: var(--light-text);
    font-family: var(--font);
    transition: border-color var(--transition);
}

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

.form-group select {
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%236b7280' d='M6 8L1 3h10z'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 16px center;
    padding-right: 40px;
}

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

.btn-submit {
    display: block;
    margin: 0 auto;
}

/* ============================================
   About Section (LIGHT ALT)
   ============================================ */
.about {
    padding: 80px 0;
    background: var(--light-bg-alt);
    color: var(--light-text);
}

.about .section-title {
    color: var(--light-text);
}

.about-grid {
    display: grid;
    grid-template-columns: 1.5fr 1fr;
    gap: 60px;
    align-items: start;
}

.about-content p {
    color: var(--light-text-muted);
    font-size: 0.95rem;
    line-height: 1.7;
    margin-bottom: 16px;
}

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

.about-stats {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
}

.stat {
    background: var(--light-bg-card);
    border: 1px solid var(--light-border);
    border-radius: var(--radius-lg);
    padding: 24px;
    text-align: center;
    box-shadow: 0 1px 3px rgba(0,0,0,0.06);
}

.stat-number {
    display: block;
    font-size: 2rem;
    font-weight: 800;
    color: var(--color-accent);
    letter-spacing: -0.02em;
    line-height: 1;
    margin-bottom: 6px;
}

.stat-label {
    font-size: 0.8rem;
    color: var(--light-text-muted);
    font-weight: 500;
}

/* ============================================
   Footer (DARK)
   ============================================ */
.footer {
    padding: 60px 0 30px;
    background: var(--dark-bg);
    color: var(--dark-text);
    border-top: 1px solid var(--dark-border);
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr;
    gap: 40px;
    margin-bottom: 40px;
}

.footer-info h3 {
    font-size: 1.1rem;
    font-weight: 700;
    margin-bottom: 8px;
    color: var(--dark-text);
}

.footer-info p {
    color: var(--dark-text-muted);
    font-size: 0.875rem;
    line-height: 1.6;
}

.footer-contact h4,
.footer-links h4 {
    font-size: 0.8rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--dark-text-dim);
    margin-bottom: 12px;
}

.footer-contact p,
.footer-links p {
    margin-bottom: 8px;
}

.footer-contact a,
.footer-links a {
    color: var(--dark-text-muted);
    font-size: 0.875rem;
}

.footer-contact a:hover,
.footer-links a:hover {
    color: var(--dark-text);
}

.footer-bottom {
    border-top: 1px solid var(--dark-border);
    padding-top: 24px;
    text-align: center;
}

.footer-bottom p {
    font-size: 0.8rem;
    color: var(--dark-text-dim);
}

/* ============================================
   Mobile Responsive
   ============================================ */
@media (max-width: 768px) {
    .nav-links {
        display: none;
        position: absolute;
        top: 64px;
        left: 0;
        right: 0;
        background: rgba(10, 10, 10, 0.98);
        backdrop-filter: blur(20px);
        flex-direction: column;
        padding: 20px 24px;
        gap: 0;
        border-bottom: 1px solid var(--dark-border);
    }

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

    .nav-links li {
        padding: 12px 0;
        border-bottom: 1px solid var(--dark-border);
    }

    .nav-links li:last-child {
        border-bottom: none;
    }

    .nav-toggle {
        display: flex;
    }

    .nav-toggle.active span:nth-child(1) {
        transform: rotate(45deg) translate(5px, 5px);
    }

    .nav-toggle.active span:nth-child(2) {
        opacity: 0;
    }

    .nav-toggle.active span:nth-child(3) {
        transform: rotate(-45deg) translate(5px, -5px);
    }

    .hero {
        padding: 100px 0 60px;
    }

    .hero-container {
        grid-template-columns: 1fr;
        gap: 40px;
        text-align: center;
    }

    .hero-image {
        width: 200px;
        height: 200px;
        margin: 0 auto;
        order: -1;
    }

    .hero h1 {
        font-size: 2.2rem;
    }

    .hero-text {
        margin-left: auto;
        margin-right: auto;
    }

    .hero-buttons {
        justify-content: center;
        flex-wrap: wrap;
    }

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

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

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

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

    .form-group.full-width {
        grid-column: 1;
    }

    .about-grid {
        grid-template-columns: 1fr;
        gap: 40px;
    }

    .footer-grid {
        grid-template-columns: 1fr;
        gap: 30px;
    }

    .section-title {
        font-size: 1.7rem;
    }
}

@media (max-width: 480px) {
    .hero h1 {
        font-size: 1.8rem;
    }

    .lend-number {
        font-size: 2.4rem;
    }

    .about-stats {
        grid-template-columns: 1fr 1fr;
        gap: 12px;
    }

    .stat {
        padding: 18px;
    }

    .stat-number {
        font-size: 1.6rem;
    }
}