/* ========================================
   Villarrica.online — Custom Stylesheet
   Extending Pico CSS v2.1.1
   ======================================== */

/* --- Custom Properties --- */
:root {
    /* Colors - Warm volcanic palette */
    --primary: #e63946;
    --primary-dark: #c1121f;
    --primary-light: #ff6b6b;
    --accent: #f4a261;
    --accent-dark: #e76f51;
    --text-dark: #1a1a2e;
    --text-gray: #4a4a6a;
    --text-light: #8888aa;
    --bg-white: #ffffff;
    --bg-warm: #fdf6f0;
    --bg-alt: #f8f0e8;
    --bg-dark: #16213e;
    --border: #e8d5c4;
    --shadow-light: rgba(0, 0, 0, 0.06);
    --shadow-medium: rgba(0, 0, 0, 0.12);

    /* Layout */
    --max-width: 1200px;
    --container-width: 1140px;
    --header-height: 70px;
    --gutter: 2rem;
    --radius: 12px;
    --radius-lg: 20px;

    /* Typography */
    --font-primary: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    --font-size-xs: 0.75rem;
    --font-size-sm: 0.875rem;
    --font-size-base: 1rem;
    --font-size-lg: 1.125rem;
    --font-size-xl: 1.25rem;
    --font-size-2xl: 1.5rem;
    --font-size-3xl: 1.875rem;
    --font-size-4xl: 2.25rem;
    --font-size-5xl: 3rem;
    --font-size-6xl: 3.75rem;
    --font-size-7xl: 4.5rem;

    /* Transitions */
    --transition-fast: 0.15s ease;
    --transition-normal: 0.3s ease;
    --transition-slow: 0.5s ease;
}

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

html {
    scroll-behavior: smooth;
    scroll-padding-top: var(--header-height);
}

body {
    font-family: var(--font-primary);
    font-size: var(--font-size-base);
    line-height: 1.6;
    color: var(--text-dark);
    background: var(--bg-white);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    overflow-x: hidden;
}

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

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

a:hover {
    color: var(--primary-dark);
}

a:focus-visible {
    outline: 2px solid var(--primary);
    outline-offset: 2px;
    border-radius: var(--radius);
}

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

/* --- Typography --- */
h1, h2, h3, h4, h5, h6 {
    font-weight: 700;
    line-height: 1.15;
    color: var(--text-dark);
    margin-bottom: 0.5em;
}

h1 {
    font-size: clamp(2.5rem, 5vw, 4rem);
    letter-spacing: -0.02em;
}

h2 {
    font-size: clamp(1.75rem, 3vw, 2.5rem);
    letter-spacing: -0.01em;
}

h3 {
    font-size: clamp(1.25rem, 2vw, 1.5rem);
}

p {
    margin-bottom: 1rem;
    color: var(--text-gray);
    font-size: var(--font-size-lg);
    line-height: 1.7;
}

/* --- Skip Link --- */
.skip-link {
    position: absolute;
    top: -100%;
    left: 50%;
    transform: translateX(-50%);
    background: var(--primary);
    color: white;
    padding: 0.75rem 1.5rem;
    border-radius: var(--radius);
    font-weight: 600;
    z-index: 1000;
    transition: top 0.3s ease;
}

.skip-link:focus {
    top: 1rem;
    outline: none;
}

/* --- Site Header --- */
.site-header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 100;
    background: rgba(255, 255, 255, 0.92);
    backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--border);
    height: var(--header-height);
}

.site-nav {
    width: 100%;
}

.nav-container {
    max-width: var(--container-width);
    margin: 0 auto;
    padding: 0 var(--gutter);
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 100%;
}

.nav-brand {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: var(--font-size-xl);
    font-weight: 800;
    color: var(--primary);
    text-decoration: none;
    letter-spacing: -0.01em;
}

.nav-brand:hover {
    color: var(--primary-dark);
}

.brand-icon {
    font-size: 1.5rem;
}

.nav-links {
    display: flex;
    list-style: none;
    gap: 2.5rem;
    align-items: center;
}

.nav-links a {
    color: var(--text-dark);
    font-size: var(--font-size-sm);
    font-weight: 600;
    text-decoration: none;
    letter-spacing: 0.02em;
    transition: color var(--transition-fast);
    position: relative;
}

.nav-links a::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--primary);
    transition: width var(--transition-normal);
}

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

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

/* Hamburger */
.nav-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 5px;
    z-index: 10;
}

.nav-bar-1,
.nav-bar-2,
.nav-bar-3 {
    display: block;
    width: 24px;
    height: 2px;
    background: var(--text-dark);
    border-radius: 2px;
    transition: transform var(--transition-normal), opacity var(--transition-normal);
    transform-origin: center;
}

.nav-toggle[aria-expanded="true"] .nav-bar-1 {
    transform: translateY(7px) rotate(45deg);
}

.nav-toggle[aria-expanded="true"] .nav-bar-2 {
    opacity: 0;
}

.nav-toggle[aria-expanded="true"] .nav-bar-3 {
    transform: translateY(-7px) rotate(-45deg);
}

/* --- Hero Section --- */
.hero-section {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding: var(--header-height) var(--gutter);
    gap: 4rem;
    overflow: hidden;
}

.hero-background {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: 0;
}

.hero-background-img {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(
        180deg,
        rgba(26, 26, 46, 0.1) 0%,
        rgba(26, 26, 46, 0.3) 100%
    );
}

.hero-content {
    position: relative;
    z-index: 1;
    max-width: 600px;
}

.hero-title {
    margin-bottom: 0.5rem;
}

.title-word {
    display: block;
    font-size: clamp(3rem, 8vw, 5rem);
    font-weight: 800;
    letter-spacing: -0.03em;
    color: var(--text-dark);
}

.title-accent {
    color: var(--primary);
}

.hero-tagline {
    color: var(--text-gray);
    font-size: var(--font-size-xl);
    margin-bottom: 2rem;
    line-height: 1.5;
}

.hero-actions {
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
    margin-bottom: 2rem;
}

/* Buttons */
.btn {
    display: inline-block;
    padding: 1rem 2.5rem;
    border-radius: var(--radius-lg);
    font-size: var(--font-size-base);
    font-weight: 600;
    text-decoration: none;
    transition: all var(--transition-normal);
    letter-spacing: 0.01em;
    border: 2px solid transparent;
}

.btn-primary {
    background: var(--primary);
    color: #ffffff;
    border-color: var(--primary);
}

.btn-primary:hover {
    background: var(--primary-dark);
    border-color: var(--primary-dark);
    color: #ffffff;
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(230, 57, 70, 0.3);
}

.btn-secondary {
    background: transparent;
    color: var(--text-dark);
    border-color: var(--border);
}

.btn-secondary:hover {
    background: var(--bg-warm);
    border-color: var(--primary);
    color: var(--primary);
    transform: translateY(-2px);
}

/* Hero Stats */
.hero-stats {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 2rem;
    padding: 2rem;
    background: rgba(255, 255, 255, 0.9);
    border-radius: var(--radius-lg);
    box-shadow: 0 10px 40px var(--shadow-medium);
}

.stat-item {
    text-align: center;
}

.stat-value {
    display: block;
    font-size: var(--font-size-4xl);
    font-weight: 800;
    color: var(--primary-light);
    line-height: 1;
    margin-bottom: 0.25rem;
}

.stat-label {
    color: var(--text-light);
    font-size: var(--font-size-sm);
    font-weight: 500;
    letter-spacing: 0.05em;
    text-transform: uppercase;
}

/* --- Stats Bar --- */
.stats-bar {
    position: relative;
    z-index: 1;
    background: var(--text-dark);
    padding: 2rem 0;
    margin-top: -2rem;
    margin-bottom: 4rem;
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 2rem;
    max-width: var(--container-width);
    margin: 0 auto;
    padding: 0 var(--gutter);
}

.stat-item {
    text-align: center;
}

.stat-value {
    display: block;
    font-size: var(--font-size-4xl);
    font-weight: 800;
    color: var(--primary-light);
    line-height: 1;
    margin-bottom: 0.25rem;
}

.stat-label {
    color: var(--text-light);
    font-size: var(--font-size-sm);
    font-weight: 500;
    letter-spacing: 0.05em;
    text-transform: uppercase;
}

/* --- Content Blocks --- */
.main-content {
    position: relative;
    z-index: 1;
    padding: 4rem 0;
}

.content-block {
    padding: 6rem 0;
    max-width: var(--container-width);
    margin: 0 auto;
}

.content-inner {
    max-width: var(--max-width);
    margin: 0 auto;
}

.content-header {
    margin-bottom: 2rem;
}

.content-header.centered {
    text-align: center;
}

.content-tag {
    display: inline-block;
    background: var(--primary);
    color: #ffffff;
    padding: 0.5rem 1rem;
    border-radius: var(--radius);
    font-size: var(--font-size-sm);
    font-weight: 700;
    letter-spacing: 0.1em;
    margin-bottom: 1rem;
}

.content-title {
    font-size: var(--font-size-4xl);
    margin-bottom: 0.5rem;
}

.content-excerpt {
    color: var(--text-light);
    font-size: var(--font-size-lg);
    margin-bottom: 2rem;
}

.content-text {
    margin-bottom: 2rem;
}

.learn-more-link {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    margin-bottom: 2rem;
}

.content-image {
    margin-top: 2rem;
}

.content-image figure {
    margin-bottom: 1rem;
}

.content-image img {
    width: 100%;
    height: auto;
    border-radius: var(--radius-lg);
    box-shadow: 0 20px 60px var(--shadow-medium);
}

.content-image figcaption {
    color: var(--text-light);
    font-size: var(--font-size-sm);
    margin-top: 0.5rem;
}

.caption-number {
    font-weight: 700;
    color: var(--primary);
}

/* Section Alt */
.section-alt {
    background: var(--bg-alt);
}

/* Text Align */
.text-left {
    text-align: left;
}

.text-right {
    text-align: right;
}

/* --- Visit Section --- */
.visit-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 2rem;
    margin-top: 3rem;
}

.visit-card {
    padding: 2rem;
    background: var(--bg-white);
    border-radius: var(--radius-lg);
    box-shadow: 0 10px 40px var(--shadow-light);
    transition: transform var(--transition-normal), box-shadow var(--transition-normal);
}

.visit-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 50px var(--shadow-medium);
}

.card-icon {
    font-size: 2.5rem;
    margin-bottom: 1rem;
}

.visit-card h3 {
    margin-bottom: 0.5rem;
    color: var(--text-dark);
}

.visit-card p {
    margin-bottom: 1.5rem;
    font-size: var(--font-size-base);
}

.visit-link {
    font-weight: 600;
    color: var(--primary);
}

/* --- Footer --- */
.site-footer {
    background: var(--bg-dark);
    color: var(--bg-white);
    padding: 4rem 0;
    margin-top: 4rem;
}

.footer-container {
    max-width: var(--container-width);
    margin: 0 auto;
    padding: 0 var(--gutter);
    text-align: center;
}

.footer-branding {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    margin-bottom: 1rem;
}

.footer-logo {
    font-size: 2rem;
}

.footer-text {
    font-size: var(--font-size-xl);
    font-weight: 700;
}

.footer-copy {
    color: var(--text-light);
    margin-bottom: 2rem;
}

.footer-links {
    display: flex;
    justify-content: center;
    gap: 2rem;
}

.footer-links a {
    color: var(--bg-white);
    opacity: 0.7;
    transition: opacity var(--transition-fast);
}

.footer-links a:hover {
    opacity: 1;
    color: var(--primary-light);
}

/* --- Dialog --- */
dialog {
    border: none;
    border-radius: var(--radius-lg);
    padding: 2rem;
    max-width: 500px;
    width: 90%;
    background: var(--bg-white);
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
}

dialog::backdrop {
    background: rgba(0, 0, 0, 0.5);
}

dialog header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1.5rem;
}

.dialog-close {
    background: none;
    border: none;
    font-size: 1.5rem;
    cursor: pointer;
    color: var(--text-light);
    transition: color var(--transition-fast);
}

.dialog-close:hover {
    color: var(--primary);
}

.contact-form {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.form-label {
    display: block;
    font-weight: 600;
    margin-bottom: 0.5rem;
    color: var(--text-dark);
}

.contact-form input,
.contact-form textarea {
    padding: 1rem;
    border: 2px solid var(--border);
    border-radius: var(--radius);
    font-size: var(--font-size-base);
    font-family: var(--font-primary);
    transition: border-color var(--transition-fast);
}

.contact-form input:focus,
.contact-form textarea:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(230, 57, 70, 0.1);
}

.dialog-actions {
    display: flex;
    justify-content: flex-end;
    gap: 1rem;
    margin-top: 2rem;
}

/* --- Animations --- */
.animate-on-scroll {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

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

/* --- Responsive --- */
@media (max-width: 768px) {
    .hero-section {
        flex-direction: column;
        padding: var(--header-height) 1.5rem;
        gap: 2rem;
    }

    .hero-stats {
        grid-template-columns: repeat(2, 1fr);
    }

    .nav-links {
        position: absolute;
        top: var(--header-height);
        right: 0;
        background: var(--bg-white);
        flex-direction: column;
        width: 100%;
        padding: 2rem;
        gap: 1.5rem;
        transform: translateX(100%);
        transition: transform var(--transition-normal);
        box-shadow: -5px 0 20px rgba(0, 0, 0, 0.1);
    }

    .nav-links.open {
        transform: translateX(0);
    }

    .nav-toggle {
        display: flex;
    }

    .stats-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .hero-stats {
        grid-template-columns: repeat(2, 1fr);
    }

    .visit-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .content-block {
        padding: 4rem 0;
    }

    .site-footer {
        padding: 3rem 0;
    }
}

@media (max-width: 480px) {
    .hero-stats {
        grid-template-columns: repeat(2, 1fr);
        gap: 1rem;
    }

    .stats-grid {
        grid-template-columns: repeat(2, 1fr);
    }

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

    .content-header.centered {
        text-align: center;
    }

    .hero-actions {
        flex-direction: column;
    }
}