/*
Theme Name: Chicway
Theme URI: https://chicway.com
Author: Chicway Design Team
Author URI: https://chicway.com
Description: 啟尉家飾 - 義式選品與全屋整合。Milan-cool UI with warm editorial imagery. A high-end Italian showroom aesthetic combined with curated design magazine feel.
Version: 1.0.0
Requires at least: 6.0
Tested up to: 6.4
Requires PHP: 8.0
License: GNU General Public License v2 or later
License URI: http://www.gnu.org/licenses/gpl-2.0.html
Text Domain: chicway
Tags: custom-menu, featured-images, full-width-template, one-column, two-columns
*/

/* ==========================================================================
   CSS Custom Properties (Design System)
   ========================================================================== */

:root {
    /* Colors */
    --color-base: #FAF9F7;
    --color-base-alt: #F5F4F2;
    --color-surface: #FFFFFF;
    --color-text-primary: #2C2C2C;
    --color-text-secondary: #4A3C31;
    --color-text-muted: #7A7A7A;
    --color-accent: #C9A962;
    --color-accent-hover: #B8983F;
    --color-border: #E5E4E2;
    --color-overlay: rgba(0, 0, 0, 0.4);

    /* Typography */
    --font-serif: 'Playfair Display', 'Noto Serif TC', Georgia, serif;
    --font-sans: 'Inter', 'Noto Sans TC', -apple-system, BlinkMacSystemFont, 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: 2rem;
    --font-size-4xl: 2.5rem;
    --font-size-5xl: 3.5rem;
    --font-size-hero: clamp(2.5rem, 5vw, 4.5rem);

    --line-height-tight: 1.2;
    --line-height-normal: 1.5;
    --line-height-relaxed: 1.7;
    --line-height-loose: 1.9;

    --letter-spacing-tight: -0.02em;
    --letter-spacing-normal: 0;
    --letter-spacing-wide: 0.05em;
    --letter-spacing-wider: 0.1em;

    /* Spacing */
    --spacing-unit: 8px;
    --spacing-xs: calc(var(--spacing-unit) * 1);
    --spacing-sm: calc(var(--spacing-unit) * 2);
    --spacing-md: calc(var(--spacing-unit) * 3);
    --spacing-lg: calc(var(--spacing-unit) * 4);
    --spacing-xl: calc(var(--spacing-unit) * 6);
    --spacing-2xl: calc(var(--spacing-unit) * 8);
    --spacing-3xl: calc(var(--spacing-unit) * 12);
    --spacing-section: clamp(72px, 10vw, 120px);

    /* Layout */
    --container-max: 1320px;
    --container-narrow: 900px;
    --container-padding: clamp(20px, 5vw, 60px);

    /* Header */
    --header-height: 80px;
    --header-height-scrolled: 64px;

    /* Transitions */
    --transition-fast: 0.15s ease;
    --transition-normal: 0.25s ease;
    --transition-slow: 0.4s ease;
    --transition-slower: 0.6s cubic-bezier(0.4, 0, 0.2, 1);

    /* Shadows */
    --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.08);
    --shadow-lg: 0 8px 24px rgba(0, 0, 0, 0.12);

    /* Border Radius */
    --radius-sm: 4px;
    --radius-md: 8px;
    --radius-lg: 16px;
}

/* ==========================================================================
   CSS Reset
   ========================================================================== */

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

html {
    font-size: 16px;
    scroll-behavior: smooth;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

body {
    font-family: var(--font-sans);
    font-size: var(--font-size-base);
    line-height: var(--line-height-relaxed);
    color: var(--color-text-primary);
    background-color: var(--color-base);
    overflow-x: hidden;
}

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

a {
    color: inherit;
    text-decoration: none;
}

button {
    font-family: inherit;
    cursor: pointer;
    border: none;
    background: none;
}

ul,
ol {
    list-style: none;
}

h1,
h2,
h3,
h4,
h5,
h6 {
    font-family: var(--font-serif);
    font-weight: 400;
    line-height: var(--line-height-tight);
    letter-spacing: var(--letter-spacing-wide);
}

/* ==========================================================================
   Utility Classes
   ========================================================================== */

.container {
    width: 100%;
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 var(--container-padding);
}

.container--narrow {
    max-width: var(--container-narrow);
}

.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}

/* ==========================================================================
   Typography
   ========================================================================== */

.heading-hero {
    font-size: var(--font-size-hero);
    font-weight: 400;
    letter-spacing: var(--letter-spacing-wide);
    line-height: 1.1;
}

.heading-xl {
    font-size: var(--font-size-4xl);
    font-weight: 400;
}

.heading-lg {
    font-size: var(--font-size-3xl);
    font-weight: 400;
}

.heading-md {
    font-size: var(--font-size-2xl);
    font-weight: 400;
}

.heading-sm {
    font-size: var(--font-size-xl);
    font-weight: 400;
}

.text-lg {
    font-size: var(--font-size-lg);
    line-height: var(--line-height-loose);
}

.text-sm {
    font-size: var(--font-size-sm);
}

.text-xs {
    font-size: var(--font-size-xs);
}

.text-muted {
    color: var(--color-text-muted);
}

.text-accent {
    color: var(--color-accent);
}

/* ==========================================================================
   Buttons
   ========================================================================== */

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-sm) var(--spacing-lg);
    font-size: var(--font-size-sm);
    font-weight: 500;
    letter-spacing: var(--letter-spacing-wide);
    text-transform: uppercase;
    border-radius: 0;
    transition: all var(--transition-normal);
    position: relative;
    overflow: hidden;
}

.btn--primary {
    background-color: var(--color-text-primary);
    color: var(--color-surface);
}

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

.btn--outline {
    display: none;
    background-color: transparent;
    color: var(--color-text-primary);
    border: 1px solid var(--color-text-primary);
}

.btn--outline:hover {
    background-color: var(--color-text-primary);
    color: var(--color-surface);
}

.btn--ghost {
    background-color: transparent;
    color: var(--color-text-primary);
    padding: var(--spacing-xs) 0;
    position: relative;
}

.btn--ghost::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 1px;
    background-color: var(--color-accent);
    transition: width var(--transition-normal);
}

.btn--ghost:hover::after {
    width: 100%;
}

.btn--white {
    background-color: var(--color-surface);
    color: var(--color-text-primary);
}

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

/* ==========================================================================
   Hairline Dividers
   ========================================================================== */

.hairline {
    width: 100%;
    height: 1px;
    background-color: var(--color-border);
}

.hairline--accent {
    background-color: var(--color-accent);
    width: 60px;
}

/* ==========================================================================
   Section Base
   ========================================================================== */

.section {
    padding: var(--spacing-section) 0;
}

.section__header {
    text-align: center;
    margin-bottom: var(--spacing-3xl);
}

.section__title {
    font-size: var(--font-size-3xl);
    margin-bottom: var(--spacing-md);
}

.section__subtitle {
    font-size: var(--font-size-lg);
    color: var(--color-text-muted);
    max-width: 600px;
    margin: 0 auto;
}

/* ==========================================================================
   Image Effects
   ========================================================================== */

.img-blur-load {
    filter: blur(10px);
    transition: filter var(--transition-slow);
}

.img-blur-load.loaded {
    filter: blur(0);
}

.img-hover-zoom {
    overflow: hidden;
}

.img-hover-zoom img {
    transition: transform var(--transition-slow);
}

.img-hover-zoom:hover img {
    transform: scale(1.02);
}

/* ==========================================================================
   Animations
   ========================================================================== */

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes fadeIn {
    from {
        opacity: 0;
    }

    to {
        opacity: 1;
    }
}

.animate-fade-in-up {
    animation: fadeInUp var(--transition-slower) forwards;
}

.animate-fade-in {
    animation: fadeIn var(--transition-slow) forwards;
}

/* Scroll reveal */
.reveal {
    opacity: 0;
    transform: translateY(20px);
    transition: opacity var(--transition-slower), transform var(--transition-slower);
}

.reveal.visible {
    opacity: 1;
    transform: translateY(0);
}

/* ==========================================================================
   Footer Optimization
   ========================================================================== */

.footer__logo-img {
    max-width: 79px;
    height: auto;
    margin-bottom: var(--spacing-sm);
}

.footer__info-list {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xs);
}

.info-item {
    display: flex;
    align-items: flex-start;
    gap: var(--spacing-md);
    line-height: var(--line-height-normal);
}

.info-label {
    min-width: 36px;
    color: var(--color-text-muted);
    font-size: var(--font-size-sm);
    flex-shrink: 0;
}

.info-value {
    color: rgb(255 255 255);
    font-size: var(--font-size-sm);
}

.info-value.hover-link {
    transition: color var(--transition-fast);
    text-decoration: underline;
    text-decoration-color: transparent;
}

.info-value.hover-link:hover {
    color: var(--color-accent);
    text-decoration-color: var(--color-accent);
}

/* ==========================================================================
   Blog & Single Post
   ========================================================================== */

/* Journal Hero */
.journal-hero {
    padding-top: 160px;
    padding-bottom: 80px;
    text-align: center;
}

/* Blog Grid */
.blog-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(350px, 1fr));
    gap: var(--spacing-2xl) var(--spacing-xl);
}

.blog-card {
    display: flex;
    flex-direction: column;
}

.blog-card__link {
    display: block;
    height: 100%;
}

.blog-card__image {
    aspect-ratio: 4/3;
    overflow: hidden;
    background-color: var(--color-base-alt);
    margin-bottom: var(--spacing-lg);
}

.blog-card__image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform var(--transition-slower);
}

.blog-card:hover .blog-card__image img {
    transform: scale(1.05);
}

.blog-card__meta {
    font-size: var(--font-size-sm);
    color: var(--color-text-muted);
    margin-bottom: var(--spacing-sm);
    text-transform: uppercase;
    letter-spacing: var(--letter-spacing-wide);
    display: flex;
    gap: var(--spacing-sm);
}

.blog-card__category {
    color: var(--color-accent);
}

.blog-card__title {
    margin-bottom: var(--spacing-sm);
    font-size: var(--font-size-xl);
    line-height: var(--line-height-normal);
}

.blog-card__excerpt {
    color: var(--color-text-secondary);
    margin-bottom: var(--spacing-md);
    display: -webkit-box;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.blog-card__read-more {
    font-size: var(--font-size-sm);
    text-transform: uppercase;
    letter-spacing: var(--letter-spacing-wide);
    color: var(--color-text-primary);
    border-bottom: 1px solid var(--color-border);
    padding-bottom: 2px;
    transition: all var(--transition-fast);
}

.blog-card:hover .blog-card__read-more {
    color: var(--color-accent);
    border-color: var(--color-accent);
}

/* Single Post */
.single-post__header {
    padding-top: 160px;
    padding-bottom: 80px;
    text-align: center;
}

.single-post__meta {
    font-size: var(--font-size-sm);
    color: var(--color-text-muted);
    text-transform: uppercase;
    letter-spacing: var(--letter-spacing-wide);
    margin-bottom: var(--spacing-lg);
}

.single-post__meta .separator {
    margin: 0 var(--spacing-xs);
    color: var(--color-border);
}

.single-post__title {
    margin-bottom: 0;
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
}

.single-post__hero {
    margin-top: var(--spacing-2xl);
    margin-bottom: var(--spacing-3xl);
}

.single-post__hero img {
    width: 100%;
    max-height: 70vh;
    object-fit: cover;
}

.single-post__content {
    margin-bottom: var(--spacing-3xl);
}

.entry-content {
    font-size: var(--font-size-lg);
    line-height: var(--line-height-loose);
    color: var(--color-text-secondary);
}

.entry-content p {
    margin-bottom: var(--spacing-lg);
}

.entry-content h2,
.entry-content h3 {
    margin-top: var(--spacing-2xl);
    margin-bottom: var(--spacing-md);
    color: var(--color-text-primary);
}

.entry-content blockquote {
    margin: var(--spacing-xl) 0;
    padding-left: var(--spacing-lg);
    border-left: 2px solid var(--color-accent);
    font-style: italic;
    color: var(--color-text-primary);
    font-family: var(--font-serif);
    font-size: var(--font-size-xl);
}

/* Post Footer & Nav */
.single-post__footer {
    margin-top: var(--spacing-3xl);
    padding-top: var(--spacing-lg);
    border-top: 1px solid var(--color-border);
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: var(--spacing-md);
}

.single-post__tags {
    font-size: var(--font-size-sm);
    color: var(--color-text-muted);
}

.single-post__share {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    font-size: var(--font-size-sm);
}

.share-label {
    color: var(--color-text-muted);
}

.post-navigation {
    border-top: 1px solid var(--color-border);
    padding: var(--spacing-xl) 0;
}

.nav-links {
    display: flex;
    justify-content: space-between;
}

.nav-previous,
.nav-next {
    max-width: 45%;
}

.nav-previous a,
.nav-next a {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xs);
}

.nav-subtitle {
    font-size: var(--font-size-xs);
    text-transform: uppercase;
    letter-spacing: var(--letter-spacing-wide);
    color: var(--color-text-muted);
}

.nav-title {
    font-family: var(--font-serif);
    font-size: var(--font-size-lg);
    transition: color var(--transition-fast);
}

.nav-previous a:hover .nav-title,
.nav-next a:hover .nav-title {
    color: var(--color-accent);
}

@media (max-width: 768px) {
    .blog-grid {
        grid-template-columns: 1fr;
    }

    .journal-hero,
    .single-post__header {
        padding-top: 120px;
        text-align: left;
    }
}