@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700&family=Playfair+Display:ital,wght@0,400;0,600;0,700;1,400&display=swap');

:root {
    /* Colors - Alpine Editorial Palette */
    --primary: #162839;
    --primary-container: #2c3e50;
    --background: #fcf8f9;
    --surface: #ffffff;
    --surface-container: #f0edee;
    --on-surface: #1b1b1c;
    --on-surface-variant: #43474c;
    --outline: #74777d;
    --outline-variant: #c4c6cd;
    
    /* Spacing */
    --page-margin-desktop: 80px;
    --page-margin-mobile: 20px;
    --gutter: 24px;
    --section-gap: 120px;
    
    /* Typography */
    --font-serif: 'Playfair Display', serif;
    --font-sans: 'Inter', sans-serif;
}

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

body {
    font-family: var(--font-sans);
    line-height: 1.6;
    background-color: var(--background);
    color: var(--on-surface);
    -webkit-font-smoothing: antialiased;
}

/* Layout */
.container {
    max-width: 1440px;
    margin: 0 auto;
    padding: 0 24px;
}

@media (min-width: 768px) {
    .container {
        padding: 0 48px;
    }
}

@media (min-width: 1200px) {
    .container {
        padding: 0 80px;
    }
}

.editorial-grid {
    display: grid;
    grid-template-columns: repeat(12, 1fr);
    column-gap: var(--gutter);
}

.main-content {
    grid-column: 1 / -1;
}

@media (min-width: 768px) {
    .main-content {
        grid-column: 2 / span 10;
    }
}

@media (min-width: 1024px) {
    .main-content {
        grid-column: 3 / span 8;
    }
}

@media (min-width: 1440px) {
    .main-content {
        grid-column: 4 / span 6;
    }
}

section {
    margin-bottom: var(--section-gap);
}

/* Typography Classes */
h1, h2, h3, h4 {
    font-family: var(--font-serif);
    color: var(--primary);
}

.display-lg {
    font-size: clamp(36px, 5vw, 64px);
    line-height: 1.1;
    font-weight: 700;
    letter-spacing: -0.02em;
}

.headline-lg {
    font-size: 32px;
    font-weight: 600;
    line-height: 1.25;
}

.headline-md {
    font-size: 24px;
    font-weight: 600;
}

.body-lg {
    font-size: 18px;
    line-height: 1.65;
}

.label-sm {
    font-size: 12px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.08em;
}

.italic-subline {
    font-family: var(--font-serif);
    font-style: italic;
    font-size: 20px;
    color: var(--on-surface-variant);
}

/* Components */
.navbar {
    background: var(--surface);
    border-bottom: 1px solid var(--outline-variant);
    position: sticky;
    top: 0;
    z-index: 100;
    padding: 24px 0;
}

.navbar .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

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

@media (min-width: 768px) {
    .nav-links {
        display: flex;
    }
}

.nav-links a {
    text-decoration: none;
    color: var(--on-surface-variant);
    transition: color 0.3s;
}

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

.nav-links a.active {
    color: var(--primary);
    border-bottom: 2px solid var(--primary);
    padding-bottom: 4px;
}

.ad-label {
    font-style: italic;
    color: var(--outline);
    font-size: 13px;
}

/* Hero Section */
.hero-header {
    text-align: center;
    padding: 64px 0;
}

.hero-image-wrapper {
    width: 100%;
    margin-bottom: 16px;
}

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

/* Article Styling */
.drop-cap::first-letter {
    font-family: var(--font-serif);
    font-size: 72px;
    float: left;
    line-height: 0.8;
    margin-right: 12px;
    margin-top: 8px;
    color: var(--primary);
}

/* Cards Grid */
.cards-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--gutter);
}

@media (min-width: 640px) {
    .cards-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (min-width: 1024px) {
    .cards-grid {
        grid-template-columns: repeat(4, 1fr);
    }
}

.card {
    cursor: pointer;
    text-decoration: none;
    color: inherit;
}

.card-image {
    aspect-ratio: 4/5;
    overflow: hidden;
    margin-bottom: 16px;
}

.card-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    filter: grayscale(1);
    transition: filter 0.6s ease;
}

.card:hover .card-image img {
    filter: grayscale(0);
}

/* Comparison Section */
.comparison-section {
    background-color: var(--surface-container);
    padding: 80px 0;
}

.comparison-list {
    display: grid;
    grid-template-columns: 1fr;
    gap: 24px;
    max-width: 900px;
    margin: 48px auto;
}

@media (min-width: 768px) {
    .comparison-list {
        grid-template-columns: repeat(2, 1fr);
    }
}

.comparison-item {
    display: flex;
    align-items: center;
    gap: 16px;
    padding-bottom: 16px;
    border-bottom: 1px solid rgba(0,0,0,0.1);
}

/* Form Styles */
.form-container {
    background: var(--surface);
    padding: 64px;
    border: 1px solid var(--outline-variant);
}

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

@media (min-width: 768px) {
    .form-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

.input-group {
    display: flex;
    flex-direction: column;
}

.input-group label {
    margin-bottom: 8px;
    color: var(--outline);
}

.input-group input, .input-group select {
    border: none;
    border-bottom: 1px solid var(--primary);
    padding: 12px 0;
    background: transparent;
    font-family: inherit;
    font-size: 16px;
    outline: none;
}

.input-group input:focus {
    border-bottom-width: 2px;
}

.btn-primary {
    background: var(--primary);
    color: white;
    padding: 20px 32px;
    border: none;
    cursor: pointer;
    font-family: inherit;
    font-size: 14px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    width: 100%;
    margin-top: 32px;
    transition: background 0.3s;
}

.btn-primary:hover {
    background: var(--primary-container);
}

/* Footer */
footer {
    background-color: var(--surface-container);
    padding: 80px 0;
}

.footer-content {
    display: flex;
    flex-direction: column;
    gap: 64px;
}

@media (min-width: 768px) {
    .footer-content {
        flex-direction: row;
        justify-content: space-between;
    }
}

.footer-nav {
    display: flex;
    gap: 64px;
}

.footer-column {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.footer-column a {
    text-decoration: none;
    color: var(--on-surface-variant);
    font-size: 14px;
}

.footer-column a:hover {
    color: var(--primary);
}

/* Icons (using a simple placeholder style if icons not fully loaded) */
.icon {
    width: 24px;
    height: 24px;
}