/*
Theme Name: DPAS Theme
Theme URI: https://dpas.org
Author: Joseph Tran
Author URI: https://about.jtax.me
Description: Custom theme for the Dartmouth Performing Arts Society performing arts venue website.
Version: 1.0.0
Requires at least: 6.0
Tested up to: 6.4
Requires PHP: 7.4
License: GNU General Public License v2 or later
License URI: http://www.gnu.org/licenses/gpl-2.0.html
Text Domain: dpas-theme
*/

/* ============================================
   CSS DESIGN SYSTEM
   ============================================ */

:root {
    /* Primary Colors - Blue Palette */
    --color-primary: #1E3A5F;
    /* Deep Blue */
    --color-primary-dark: #152B47;
    --color-primary-light: #2D5E89;

    /* Accent Colors */
    --color-accent: #D4A84B;
    /* Gold */
    --color-accent-dark: #B8923D;
    --color-accent-light: #E4BE6A;

    /* Neutrals */
    --color-dark: #1A1A2E;
    /* Deep Navy */
    --color-gray-900: #2D2D44;
    --color-gray-700: #4A4A5A;
    --color-gray-500: #6B6B7B;
    --color-gray-300: #A0A0B0;
    --color-gray-100: #E8E8ED;
    --color-light: #F5F5F8;
    --color-white: #FFFFFF;

    /* Semantic Colors */
    --color-success: #2D6A4F;
    --color-warning: #E9C46A;
    --color-error: #E63946;

    /* Typography */
    --font-heading: 'Playfair Display', Georgia, serif;
    --font-body: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;

    /* Font Sizes */
    --text-xs: 0.75rem;
    --text-sm: 0.875rem;
    --text-base: 1rem;
    --text-lg: 1.125rem;
    --text-xl: 1.25rem;
    --text-2xl: 1.5rem;
    --text-3xl: 1.875rem;
    --text-4xl: 2.25rem;
    --text-5xl: 3rem;
    --text-6xl: 3.75rem;

    /* Spacing */
    --space-1: 0.25rem;
    --space-2: 0.5rem;
    --space-3: 0.75rem;
    --space-4: 1rem;
    --space-5: 1.25rem;
    --space-6: 1.5rem;
    --space-8: 2rem;
    --space-10: 2.5rem;
    --space-12: 3rem;
    --space-16: 4rem;
    --space-20: 5rem;
    --space-24: 6rem;

    /* Layout */
    --container-max: 1200px;
    --container-narrow: 800px;

    /* Shadows */
    --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1);

    /* Border Radius */
    --radius-sm: 0.25rem;
    --radius-md: 0.5rem;
    --radius-lg: 1rem;
    --radius-full: 9999px;

    /* Transitions */
    --transition-fast: 150ms ease;
    --transition-base: 250ms ease;
    --transition-slow: 350ms ease;
}

/* ============================================
   RESET & BASE
   ============================================ */

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

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

body {
    font-family: var(--font-body);
    font-size: var(--text-base);
    line-height: 1.6;
    color: var(--color-gray-900);
    background-color: var(--color-white);
}

h1,
h2,
h3,
h4,
h5,
h6 {
    font-family: var(--font-heading);
    font-weight: 700;
    line-height: 1.2;
    color: var(--color-dark);
}

h1 {
    font-size: var(--text-5xl);
}

h2 {
    font-size: var(--text-4xl);
}

h3 {
    font-size: var(--text-3xl);
}

h4 {
    font-size: var(--text-2xl);
}

h5 {
    font-size: var(--text-xl);
}

h6 {
    font-size: var(--text-lg);
}

p {
    margin-bottom: var(--space-4);
}

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

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

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

/* ============================================
   LAYOUT
   ============================================ */

.container {
    width: 100%;
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 var(--space-6);
}

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

.section {
    padding: var(--space-20) 0;
}

.section--dark {
    background-color: var(--color-dark);
    color: var(--color-white);
}

.section--light {
    background-color: var(--color-light);
}

.section--primary {
    background-color: var(--color-primary);
    color: var(--color-white);
}

/* ============================================
   HEADER
   ============================================ */

.site-header {
    position: sticky;
    top: 0;
    z-index: 1000;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--color-gray-100);
}

.site-header__inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--space-4) 0;
}

.site-logo {
    font-family: var(--font-heading);
    font-size: var(--text-2xl);
    font-weight: 700;
    color: var(--color-primary);
}

.site-logo:hover {
    color: var(--color-primary-dark);
}

.main-nav {
    display: flex;
    gap: var(--space-8);
}

.main-nav__link {
    font-size: var(--text-sm);
    font-weight: 500;
    color: var(--color-gray-700);
    padding: var(--space-2) 0;
    position: relative;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.main-nav__link:hover,
.main-nav__link--active {
    color: var(--color-primary);
}

.main-nav__link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--color-accent);
    transition: width var(--transition-base);
}

.main-nav__link:hover::after,
.main-nav__link--active::after {
    width: 100%;
}

/* Mobile Menu Toggle */
.menu-toggle {
    display: none;
    background: none;
    border: none;
    cursor: pointer;
    padding: var(--space-2);
}

.menu-toggle span {
    display: block;
    width: 24px;
    height: 2px;
    background: var(--color-dark);
    margin: 5px 0;
    transition: var(--transition-fast);
}

/* ============================================
   HERO
   ============================================ */

.hero {
    position: relative;
    min-height: 70vh;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    background: linear-gradient(135deg, var(--color-dark) 0%, var(--color-primary-dark) 100%);
    color: var(--color-white);
    overflow: hidden;
}

.hero--full {
    min-height: 90vh;
}

.hero__background {
    position: absolute;
    inset: 0;
    z-index: 0;
}

.hero__background img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    opacity: 0.4;
}

.hero__content {
    position: relative;
    z-index: 1;
    max-width: 800px;
    padding: var(--space-8);
}

.hero__title {
    font-size: var(--text-6xl);
    margin-bottom: var(--space-6);
    color: var(--color-white);
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.3);
}

.hero__subtitle {
    font-size: var(--text-xl);
    margin-bottom: var(--space-8);
    opacity: 0.9;
    font-weight: 300;
}

.hero__cta {
    display: flex;
    gap: var(--space-4);
    justify-content: center;
    flex-wrap: wrap;
}

/* ============================================
   BUTTONS
   ============================================ */

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-2);
    padding: var(--space-3) var(--space-6);
    font-family: var(--font-body);
    font-size: var(--text-sm);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    border: 2px solid transparent;
    border-radius: var(--radius-sm);
    cursor: pointer;
    transition: all var(--transition-base);
}

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

.btn--primary:hover {
    background: var(--color-primary-dark);
    border-color: var(--color-primary-dark);
    color: var(--color-white);
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

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

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

.btn--accent {
    background: var(--color-accent);
    color: var(--color-dark);
    border-color: var(--color-accent);
}

.btn--accent:hover {
    background: var(--color-accent-dark);
    border-color: var(--color-accent-dark);
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

.btn--outline {
    background: transparent;
    color: var(--color-primary);
    border-color: var(--color-primary);
}

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

.btn--lg {
    padding: var(--space-4) var(--space-8);
    font-size: var(--text-base);
}

/* ============================================
   CARDS
   ============================================ */

.card {
    background: var(--color-white);
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-md);
    transition: all var(--transition-base);
}

.card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-xl);
}

.card__image {
    aspect-ratio: 16/9;
    overflow: hidden;
}

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

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

.card__content {
    padding: var(--space-6);
}

.card__title {
    font-size: var(--text-xl);
    margin-bottom: var(--space-2);
}

.card__meta {
    font-size: var(--text-sm);
    color: var(--color-gray-500);
    margin-bottom: var(--space-3);
}

.card__description {
    color: var(--color-gray-700);
    margin-bottom: var(--space-4);
}

/* Event Card Specifics */
.event-card__date {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    background: var(--color-primary);
    color: var(--color-white);
    padding: var(--space-3);
    min-width: 70px;
    text-align: center;
}

.event-card__day {
    font-size: var(--text-3xl);
    font-weight: 700;
    line-height: 1;
}

.event-card__month {
    font-size: var(--text-sm);
    text-transform: uppercase;
    letter-spacing: 0.1em;
}

/* ============================================
   GRID LAYOUTS
   ============================================ */

.grid {
    display: grid;
    gap: var(--space-8);
}

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

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

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

/* ============================================
   FOOTER
   ============================================ */

.site-footer {
    background: var(--color-dark);
    color: var(--color-gray-300);
    padding: var(--space-16) 0 var(--space-8);
}

.footer__grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: var(--space-12);
    margin-bottom: var(--space-12);
}

.footer__brand {
    font-family: var(--font-heading);
    font-size: var(--text-2xl);
    color: var(--color-white);
    margin-bottom: var(--space-4);
}

.footer__description {
    font-size: var(--text-sm);
    line-height: 1.7;
}

.footer__title {
    font-family: var(--font-heading);
    font-size: var(--text-lg);
    color: var(--color-white);
    margin-bottom: var(--space-4);
}

.footer__links {
    list-style: none;
}

.footer__links li {
    margin-bottom: var(--space-2);
}

.footer__links a {
    color: var(--color-gray-300);
    font-size: var(--text-sm);
    transition: color var(--transition-fast);
}

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

.footer__social {
    display: flex;
    gap: var(--space-4);
}

.footer__social a {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    background: var(--color-gray-700);
    border-radius: var(--radius-full);
    color: var(--color-white);
    transition: all var(--transition-fast);
}

.footer__social a:hover {
    background: var(--color-accent);
    color: var(--color-dark);
}

.footer__bottom {
    border-top: 1px solid var(--color-gray-700);
    padding-top: var(--space-8);
    text-align: center;
    font-size: var(--text-sm);
}

.footer__acknowledgement {
    max-width: 800px;
    margin: 0 auto var(--space-6);
    font-style: italic;
    font-size: var(--text-sm);
    line-height: 1.7;
    opacity: 0.8;
}

/* ============================================
   FORMS
   ============================================ */

.form-group {
    margin-bottom: var(--space-6);
}

.form-label {
    display: block;
    font-size: var(--text-sm);
    font-weight: 600;
    margin-bottom: var(--space-2);
    color: var(--color-gray-700);
}

.form-input,
.form-textarea,
.form-select {
    width: 100%;
    padding: var(--space-3) var(--space-4);
    font-family: var(--font-body);
    font-size: var(--text-base);
    border: 2px solid var(--color-gray-300);
    border-radius: var(--radius-md);
    transition: border-color var(--transition-fast);
    background: var(--color-white);
}

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

.form-textarea {
    min-height: 150px;
    resize: vertical;
}

/* ============================================
   BREADCRUMBS (Yoast SEO)
   ============================================ */

.breadcrumbs {
    font-size: var(--text-sm);
    color: var(--color-gray-600);
    padding: var(--space-2) 0;
}

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

.breadcrumbs a:hover {
    color: var(--color-primary-dark);
    text-decoration: underline;
}

.breadcrumbs .breadcrumb_last {
    color: var(--color-gray-500);
}

/* ============================================
   UTILITIES
   ============================================ */

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

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

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

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

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

.text-muted {
    color: var(--color-gray-500);
}

.mb-0 {
    margin-bottom: 0;
}

.mb-4 {
    margin-bottom: var(--space-4);
}

.mb-8 {
    margin-bottom: var(--space-8);
}

.mb-12 {
    margin-bottom: var(--space-12);
}

.mt-0 {
    margin-top: 0;
}

.mt-4 {
    margin-top: var(--space-4);
}

.mt-8 {
    margin-top: var(--space-8);
}

/* ============================================
   RESPONSIVE
   ============================================ */

@media (max-width: 1024px) {
    .grid--4 {
        grid-template-columns: repeat(2, 1fr);
    }

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

@media (max-width: 768px) {
    :root {
        --text-5xl: 2.5rem;
        --text-6xl: 3rem;
    }

    .main-nav {
        display: none;
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background: var(--color-white);
        flex-direction: column;
        padding: var(--space-4);
        gap: var(--space-4);
        box-shadow: var(--shadow-lg);
    }

    .main-nav--open {
        display: flex;
    }

    .menu-toggle {
        display: block;
    }

    .grid--2,
    .grid--3 {
        grid-template-columns: 1fr;
    }

    .footer__grid {
        grid-template-columns: 1fr;
        gap: var(--space-8);
    }

    .hero__title {
        font-size: var(--text-4xl);
    }

    .hero__cta {
        flex-direction: column;
        align-items: center;
    }
}