/* Design System & Core Styles */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500&family=Merriweather:ital,wght@0,300;0,400;0,700;1,300&family=Syne:wght@400;700;800&display=swap');

:root {
    /* Colors */
    --color-bg: #FFFFFF;
    --color-text: #262626;
    --color-text-light: #555555;
    --color-accent: #FFFFFF;
    /* For buttons on images */
    --color-border: #E5E5E5;
    --color-dark-overlay: rgba(0, 0, 0, 0.3);

    /* Fonts */
    --font-heading: 'Syne', sans-serif;
    --font-body: 'Merriweather', serif;
    --font-ui: 'Inter', sans-serif;

    /* Spacing */
    --spacing-sm: 8px;
    --spacing-md: 16px;
    --spacing-lg: 32px;
    --spacing-xl: 64px;
    --container-width: 1200px;
    --header-height: 80px;
    --header-height-mobile: 60px;
}

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

body {
    background-color: var(--color-bg);
    color: var(--color-text);
    font-family: var(--font-body);
    line-height: 1.6;
    font-size: 16px;
    -webkit-font-smoothing: antialiased;
}

h1,
h2,
h3,
h4,
h5,
h6 {
    font-family: var(--font-heading);
    font-weight: 800;
    line-height: 1.1;
    text-transform: uppercase;
    letter-spacing: -0.02em;
    color: var(--color-text);
}

h1 {
    font-size: 3.5rem;
}

h2 {
    font-size: 2.5rem;
    margin-bottom: var(--spacing-lg);
}

h3 {
    font-size: 1.5rem;
}

@media (max-width: 768px) {
    h1 {
        font-size: 2.2rem;
    }

    h2 {
        font-size: 1.8rem;
    }

    h3 {
        font-size: 1.3rem;
    }
}

a {
    text-decoration: none;
    color: inherit;
    transition: opacity 0.3s ease;
}

a:hover {
    opacity: 0.7;
}

ul {
    list-style: none;
}

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

/* Utility Classes */
.container {
    max-width: var(--container-width);
    margin: 0 auto;
    padding: 0 var(--spacing-md);
}

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

.flex {
    display: flex;
}

.justify-between {
    justify-content: space-between;
}

.items-center {
    align-items: center;
}

.grid {
    display: grid;
}

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

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

.grid-cols-3 {
    grid-template-columns: repeat(3, 1fr);
}

.grid-cols-4 {
    grid-template-columns: repeat(4, 1fr);
}

@media (max-width: 1024px) {
    .md-grid-cols-2 {
        grid-template-columns: repeat(2, 1fr);
    }

    .md-grid-cols-3 {
        grid-template-columns: repeat(3, 1fr);
    }
}

@media (max-width: 768px) {
    .sm-grid-cols-1 {
        grid-template-columns: repeat(1, 1fr);
    }

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

    .hidden-sm {
        display: none !important;
    }

    .visible-sm {
        display: block !important;
    }
}

.gap-md {
    gap: var(--spacing-md);
}

.gap-lg {
    gap: var(--spacing-lg);
}

.justify-center {
    justify-content: center;
}

.hero-offset {
    margin-top: calc(-1 * var(--header-height));
}

@media (max-width: 768px) {
    .hero-offset {
        margin-top: calc(-1 * var(--header-height-mobile));
    }
}

/* Button Styles */
.btn {
    display: inline-block;
    padding: 12px 28px;
    border: 1px solid var(--color-text);
    background: transparent;
    color: var(--color-text);
    font-family: var(--font-ui);
    font-weight: 500;
    text-transform: uppercase;
    font-size: 0.85rem;
    cursor: pointer;
    transition: all 0.3s ease;
    letter-spacing: 0.05em;
}

.btn:hover {
    background: var(--color-text);
    color: var(--color-bg);
}

.btn-white {
    border-color: #FFF;
    color: #FFF;
}

.btn-white:hover {
    background: #FFF;
    color: #000;
}

/* Header */
header {
    height: var(--header-height);
    position: sticky;
    top: 0;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    z-index: 1000;
    border-bottom: 1px solid transparent;
    transition: border-color 0.3s ease;
}

header.scrolled {
    border-bottom: 1px solid var(--color-border);
}

header .nav-container {
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.logo {
    font-family: var(--font-heading);
    font-weight: 800;
    font-size: 1.5rem;
    letter-spacing: -0.03em;
    position: relative;
    z-index: 1001;
}

.main-nav ul {
    display: flex;
    gap: var(--spacing-lg);
}

.main-nav a {
    font-family: var(--font-ui);
    font-size: 0.9rem;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.nav-icons {
    display: flex;
    gap: var(--spacing-md);
}

.icon-btn {
    width: 24px;
    height: 24px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: none;
    border: none;
    cursor: pointer;
    padding: 0;
    color: inherit;
}

.search-form {
    display: flex;
    align-items: center;
    gap: 5px;
}

.search-input-container {
    display: flex;
    align-items: center;
    border-bottom: 1px solid transparent;
    transition: border-color 0.3s ease;
}

.search-input-container:focus-within {
    border-bottom-color: var(--color-text);
}

.search-input-container input {
    border: none;
    background: transparent;
    outline: none;
    width: 0;
    padding: 0;
    font-family: var(--font-ui);
    font-size: 0.85rem;
    transition: width 0.3s ease, padding 0.3s ease;
}

.search-input-container:hover input,
.search-input-container input:focus {
    width: 150px;
    padding: 0 5px;
}

/* Mobile Menu Toggle */
.menu-toggle {
    display: none;
    font-size: 1.5rem;
}

@media (max-width: 768px) {
    header {
        height: var(--header-height-mobile);
    }

    .menu-toggle {
        display: block;
        position: relative;
        z-index: 1001;
    }

    .nav-icons {
        position: relative;
        z-index: 1001;
    }

    .main-nav {
        position: fixed;
        top: 0;
        left: 0;
        width: 100%;
        height: auto;
        min-height: 100vh;
        background: var(--color-bg);
        padding: var(--spacing-lg);
        padding-top: calc(var(--header-height-mobile) + var(--spacing-lg));
        border-bottom: 1px solid var(--color-border);
        transform: translateY(-100%);
        transition: transform 0.3s ease;
        z-index: 999;
        overflow-y: auto;
    }

    .main-nav.active {
        transform: translateY(0);
    }

    .main-nav ul {
        flex-direction: column;
        align-items: center;
        gap: var(--spacing-md);
    }

    .nav-icons .search-form {
        display: none;
        /* Hide search on mobile header, maybe move to menu or different icon */
    }
}

/* Footer */
footer {
    padding: var(--spacing-xl) 0;
    border-top: 1px solid var(--color-border);
    margin-top: var(--spacing-xl);
    font-family: var(--font-ui);
    font-size: 0.9rem;
    color: var(--color-text-light);
}