/**
 * TSSM Skyline Heritage - Main Stylesheet
 *
 * Core styles for the single-page theme that extend theme.json settings.
 * Uses design tokens for consistency. Mobile-first approach.
 *
 * @package TSSM_Skyline_Heritage
 * @version 1.0.0
 */

/* ==========================================================================
   Base Styles
   ========================================================================== */

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

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

body {
    margin: 0;
    padding: 0;
    font-family: var(--font-family-primary);
    font-size: var(--font-size-body);
    font-weight: var(--font-weight-regular);
    line-height: var(--line-height-relaxed);
    color: var(--color-text);
    background-color: var(--color-background);
}

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

h1,
h2,
h3,
h4,
h5,
h6 {
    font-family: var(--font-family-primary);
    font-weight: var(--font-weight-bold);
    line-height: var(--line-height-tight);
    color: var(--color-text);
    margin-top: 0;
}

h1 {
    font-size: var(--font-size-h1);
    margin-bottom: var(--space-5);
}

h2 {
    font-size: var(--font-size-h2);
    margin-bottom: var(--space-4);
}

h3 {
    font-size: var(--font-size-h3);
    margin-bottom: var(--space-3);
}

h4 {
    font-size: var(--font-size-h4);
    margin-bottom: var(--space-3);
}

h5 {
    font-size: var(--font-size-body);
    font-weight: var(--font-weight-semibold);
    margin-bottom: var(--space-2);
}

h6 {
    font-size: var(--font-size-small);
    font-weight: var(--font-weight-semibold);
    text-transform: uppercase;
    letter-spacing: var(--letter-spacing-wide);
    margin-bottom: var(--space-2);
}

p {
    margin-top: 0;
    margin-bottom: var(--space-4);
}

.tssm-display {
    font-size: var(--font-size-display);
    font-weight: var(--font-weight-bold);
    line-height: 1.1;
    letter-spacing: var(--letter-spacing-tight);
}

/* ==========================================================================
   Links
   ========================================================================== */

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

a:hover {
    color: var(--color-link-hover);
    text-decoration: underline;
}

a:focus-visible {
    outline: 2px solid var(--color-link);
    outline-offset: 2px;
}

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

.tssm-button,
button,
input[type="submit"],
input[type="button"],
.wp-block-button__link {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-2);
    padding: var(--spacing-button-y) var(--spacing-button-x);
    font-family: var(--font-family-primary);
    font-size: var(--font-size-small);
    font-weight: var(--font-weight-semibold);
    line-height: 1;
    text-transform: uppercase;
    letter-spacing: var(--letter-spacing-wide);
    text-decoration: none;
    color: var(--color-text);
    background-color: var(--color-primary);
    border: 2px solid transparent;
    border-radius: var(--radius-full);
    cursor: pointer;
    transition: var(--transition-all);
    min-height: 44px;
}

.tssm-button:hover,
button:hover,
input[type="submit"]:hover,
input[type="button"]:hover,
.wp-block-button__link:hover {
    background-color: var(--color-primary-light);
    color: var(--color-text);
    text-decoration: none;
    transform: translateY(-1px);
}

.tssm-button:focus-visible,
button:focus-visible,
input[type="submit"]:focus-visible,
input[type="button"]:focus-visible,
.wp-block-button__link:focus-visible {
    outline: 2px solid var(--color-link);
    outline-offset: 2px;
}

.tssm-button:active,
button:active,
input[type="submit"]:active,
input[type="button"]:active,
.wp-block-button__link:active {
    transform: translateY(0);
}

/* Button Variants */
.tssm-button--primary {
    background-color: var(--color-primary);
    color: var(--color-text);
}

.tssm-button--primary:hover {
    background-color: var(--color-primary-light);
}

.tssm-button--secondary {
    background-color: transparent;
    color: var(--color-text);
    border-color: var(--color-text);
}

.tssm-button--secondary:hover {
    background-color: var(--color-surface);
    border-color: var(--color-primary-light);
}

.tssm-button--accent {
    background-color: var(--color-secondary);
    color: var(--color-text);
}

.tssm-button--accent:hover {
    background-color: var(--color-secondary-dark);
}

.tssm-button--large {
    padding: var(--space-4) var(--space-6);
    font-size: var(--font-size-body);
}

.tssm-button--small {
    padding: var(--space-2) var(--space-4);
    font-size: var(--font-size-micro);
    min-height: 36px;
}

/* ==========================================================================
   Form Elements
   ========================================================================== */

input[type="text"],
input[type="email"],
input[type="tel"],
input[type="url"],
input[type="password"],
input[type="search"],
input[type="number"],
input[type="date"],
textarea,
select {
    width: 100%;
    padding: var(--space-3) var(--space-4);
    font-family: var(--font-family-primary);
    font-size: var(--font-size-body);
    line-height: var(--line-height-normal);
    color: var(--color-text);
    background-color: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    transition: var(--transition-all);
    min-height: 44px;
}

input[type="text"]:hover,
input[type="email"]:hover,
input[type="tel"]:hover,
input[type="url"]:hover,
input[type="password"]:hover,
input[type="search"]:hover,
input[type="number"]:hover,
input[type="date"]:hover,
textarea:hover,
select:hover {
    border-color: var(--color-tertiary);
}

input[type="text"]:focus,
input[type="email"]:focus,
input[type="tel"]:focus,
input[type="url"]:focus,
input[type="password"]:focus,
input[type="search"]:focus,
input[type="number"]:focus,
input[type="date"]:focus,
textarea:focus,
select:focus {
    outline: none;
    border-color: var(--color-link);
    box-shadow: 0 0 0 3px rgba(91, 155, 213, 0.2);
}

input::placeholder,
textarea::placeholder {
    color: var(--color-text-muted);
}

textarea {
    min-height: 120px;
    resize: vertical;
}

label {
    display: block;
    margin-bottom: var(--space-2);
    font-size: var(--font-size-small);
    font-weight: var(--font-weight-medium);
    color: var(--color-text);
}

input[type="checkbox"],
input[type="radio"] {
    width: 20px;
    height: 20px;
    margin-right: var(--space-2);
    accent-color: var(--color-primary);
}

.tssm-form-group {
    margin-bottom: var(--space-5);
}

.tssm-form-error {
    display: block;
    margin-top: var(--space-2);
    font-size: var(--font-size-small);
    color: var(--color-error);
}

.tssm-form-help {
    display: block;
    margin-top: var(--space-2);
    font-size: var(--font-size-small);
    color: var(--color-text-muted);
}

input.has-error,
textarea.has-error,
select.has-error {
    border-color: var(--color-error);
}

input.has-error:focus,
textarea.has-error:focus,
select.has-error:focus {
    box-shadow: 0 0 0 3px rgba(239, 68, 68, 0.2);
}

/* ==========================================================================
   Sticky Header
   ========================================================================== */

.tssm-header {
    position: sticky;
    top: 0;
    z-index: var(--z-sticky);
    background-color: rgba(1, 1, 1, 0.85);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    transition: background-color var(--transition-base), box-shadow var(--transition-base);
    border-bottom: 1px solid transparent;
    padding: 0 var(--space-4) !important;
}

.tssm-header.is-scrolled {
    background-color: rgba(1, 1, 1, 0.95);
    border-bottom-color: var(--color-border);
    box-shadow: var(--shadow-md);
}

/* ==========================================================================
   Header Logo
   ========================================================================== */

.tssm-header__logo {
    display: flex;
    align-items: center;
    gap: var(--space-3);
}

.tssm-header__logo-img {
    margin: 0;
}

.tssm-header__logo-img img {
    width: 280px;
    height: auto;
    max-width: none;
}

/* Hide the logo image placeholder when no src is set; show site title instead. */
.tssm-header__logo-img img[src=""] {
    display: none;
}

/* When a valid logo image is loaded, hide the site title text fallback. */
.tssm-header__logo-img img:not([src=""]) ~ .tssm-header__site-title {
    display: none;
}

/* ==========================================================================
   Navigation - Active State
   ========================================================================== */

.wp-block-navigation a.is-active,
.tssm-nav a.is-active {
    color: var(--color-primary-light);
}

.wp-block-navigation a.is-active::after,
.tssm-nav a.is-active::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    right: 0;
    height: 2px;
    background-color: var(--color-primary-light);
    border-radius: var(--radius-full);
}

.wp-block-navigation-item a {
    position: relative;
}

/* Nav hover: transition from current color to white */
.tssm-header .wp-block-navigation a {
    color: var(--color-text);
    text-decoration: none;
    transition: var(--transition-color);
}

.tssm-header .wp-block-navigation a:hover {
    color: #FFFFFF;
    text-decoration: none;
}

/* CTA button style in nav */
.tssm-nav__cta a {
    background-color: var(--color-primary);
    color: var(--color-text) !important;
    padding: var(--space-2) var(--space-4);
    border-radius: var(--radius-full);
    font-weight: var(--font-weight-semibold);
}

.tssm-nav__cta a:hover {
    background-color: var(--color-primary-light);
    text-decoration: none;
}

/* ==========================================================================
   Layout Utilities
   ========================================================================== */

.tssm-container {
    width: 100%;
    max-width: var(--layout-content-width);
    margin-left: auto;
    margin-right: auto;
    padding-left: var(--layout-padding-mobile);
    padding-right: var(--layout-padding-mobile);
}

@media (min-width: 640px) {
    .tssm-container {
        padding-left: var(--layout-padding-tablet);
        padding-right: var(--layout-padding-tablet);
    }
}

@media (min-width: 1024px) {
    .tssm-container {
        padding-left: var(--layout-padding-desktop);
        padding-right: var(--layout-padding-desktop);
    }
}

.tssm-container--wide {
    max-width: var(--layout-wide-width);
}

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

/* Section spacing */
.tssm-section {
    padding-top: var(--spacing-section-mobile);
    padding-bottom: var(--spacing-section-mobile);
}

@media (min-width: 640px) {
    .tssm-section {
        padding-top: var(--spacing-section-tablet);
        padding-bottom: var(--spacing-section-tablet);
    }
}

@media (min-width: 1024px) {
    .tssm-section {
        padding-top: var(--spacing-section-desktop);
        padding-bottom: var(--spacing-section-desktop);
    }
}

/* Neutralize WordPress block gap margins on tssm-section elements so that
   section padding is the sole source of vertical rhythm. */
.tssm-section.wp-block-group {
    margin-top: 0;
    margin-bottom: 0;
}

/* ==========================================================================
   Schedule & Location Side-by-Side Layout
   ========================================================================== */

/**
 * At 778px+, the schedule and location blocks display side by side in a
 * two-column grid. Below 778px, they stack vertically (mobile-first default).
 * The parent carries tssm-section padding; child blocks do not add their own.
 *
 * Column proportions: 1fr 1fr (equal columns) was evaluated against asymmetric
 * options (3fr 2fr, 1.2fr 1fr). Equal columns are optimal because the schedule
 * timeline (structured time/event list) and the location column (map iframe +
 * address text) carry comparable visual weight. The map iframe is a visually
 * heavy element that balances the text-dense schedule list.
 *
 * Column gap: --space-7 (48px) provides clean separation between two distinct
 * content areas without being excessive. Smaller values (--space-6 / 32px)
 * felt crowded; larger values (--space-8 / 64px) wasted space at the 778px
 * breakpoint where available width is limited.
 *
 * Alignment: align-items: start ensures both column headings align at the top
 * regardless of differing content heights.
 */
@media (min-width: 778px) {
    .tssm-schedule-location-row {
        display: grid;
        grid-template-columns: 1fr 1fr;
        gap: var(--space-7);
        align-items: start;
    }

    /* Collapse location block internal two-column layout to single column */
    .tssm-schedule-location-row .tssm-location__content {
        grid-template-columns: 1fr;
    }

    /* Revert location info text alignment to centered in single-column context */
    .tssm-schedule-location-row .tssm-location__info {
        text-align: center;
    }

    /* Revert location description centering in single-column context */
    .tssm-schedule-location-row .tssm-location__description {
        margin-left: auto;
        margin-right: auto;
    }
}

/* ==========================================================================
   Background Utilities
   ========================================================================== */

.tssm-bg-primary {
    background-color: var(--color-primary);
}

.tssm-bg-surface {
    background-color: var(--color-surface);
}

.tssm-bg-subtle {
    background-color: var(--color-background-subtle);
}

/* ==========================================================================
   Text Utilities
   ========================================================================== */

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

.tssm-text-secondary {
    color: var(--color-text-secondary);
}

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

.tssm-text-uppercase {
    text-transform: uppercase;
    letter-spacing: var(--letter-spacing-wide);
}

/* ==========================================================================
   Accessibility
   ========================================================================== */

.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;
}

.skip-link {
    position: absolute;
    top: -100px;
    left: 50%;
    transform: translateX(-50%);
    padding: var(--space-3) var(--space-5);
    background-color: var(--color-primary);
    color: var(--color-text);
    z-index: var(--z-tooltip);
    transition: top var(--transition-fast);
}

.skip-link:focus {
    top: var(--space-4);
}

:focus-visible {
    outline: 2px solid var(--color-link);
    outline-offset: 2px;
}

:focus:not(:focus-visible) {
    outline: none;
}

@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
        scroll-behavior: auto !important;
    }
}

/* ==========================================================================
   WordPress Block Overrides
   ========================================================================== */

.wp-block-buttons .wp-block-button__link {
    border-radius: var(--radius-full);
}

.wp-block-button.is-style-outline .wp-block-button__link {
    background-color: transparent;
    border: 2px solid currentColor;
}

.wp-block-button.is-style-outline .wp-block-button__link:hover {
    background-color: var(--color-surface);
}

.wp-block-navigation a {
    color: var(--color-text);
    text-decoration: none;
    transition: var(--transition-color);
}

.wp-block-navigation a:hover {
    color: #FFFFFF;
}

.wp-block-image img {
    max-width: 100%;
    height: auto;
}

.wp-block-cover {
    min-height: 300px;
}

@media (min-width: 640px) {
    .wp-block-cover {
        min-height: 400px;
    }
}

@media (min-width: 1024px) {
    .wp-block-cover {
        min-height: 500px;
    }
}

.wp-block-separator {
    border-color: var(--color-border);
    opacity: 1;
}

.wp-block-quote {
    border-left: 4px solid var(--color-primary);
    padding-left: var(--space-5);
    font-style: italic;
}

/* ==========================================================================
   Photography Treatment
   JDM magazine aesthetic: slightly desaturated, boosted contrast
   ========================================================================== */

.tssm-photo-treatment {
    filter: saturate(0.85) contrast(1.15);
}

.tssm-photo-treatment:hover {
    filter: saturate(1) contrast(1.1);
}

/* ==========================================================================
   Animation Classes
   ========================================================================== */

.tssm-fade-in {
    animation: fadeIn var(--duration-normal) var(--ease-out) forwards;
}

.tssm-slide-up {
    animation: slideUp var(--duration-normal) var(--ease-out) forwards;
}

@keyframes fadeIn {
    from {
        opacity: 0;
    }
    to {
        opacity: 1;
    }
}

@keyframes slideUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Scroll-triggered animation states */
.tssm-animate-on-scroll {
    opacity: 0;
    transform: translateY(20px);
    transition: opacity var(--duration-slow), transform var(--duration-slow);
}

.tssm-animate-on-scroll.is-visible {
    opacity: 1;
    transform: translateY(0);
}

/* ==========================================================================
   SVG Icon Utilities
   ========================================================================== */

.tssm-icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 24px;
    height: 24px;
    color: currentColor;
    flex-shrink: 0;
}

.tssm-icon--sm {
    width: 16px;
    height: 16px;
}

.tssm-icon--lg {
    width: 32px;
    height: 32px;
}

.tssm-icon svg {
    width: 100%;
    height: 100%;
}

/* ==========================================================================
   Responsive: Mobile Large (480px)
   ========================================================================== */

@media (min-width: 480px) {
    /* Slight layout adjustments for larger mobile */
}

/* ==========================================================================
   Responsive: Tablet (640px)
   ========================================================================== */

@media (min-width: 640px) {
    /* Two-column grids begin */
}

/* ==========================================================================
   Responsive: Tablet Large (778px)
   ========================================================================== */

@media (min-width: 778px) {
    /* Enhanced tablet layouts */
}

/* ==========================================================================
   Responsive: Desktop (1024px)
   ========================================================================== */

@media (min-width: 1024px) {
    /* Full desktop layouts */
}

/* ==========================================================================
   Responsive: Desktop Large (1240px)
   ========================================================================== */

@media (min-width: 1240px) {
    /* Maximum content width, centered */
}