/* ==========================================================================
   OpenHaft — Base: Variables, Reset, Typography, Utilities
   ========================================================================== */

/* ---------- CSS Custom Properties ---------- */
:root {
    /* --- Design Tokens (Light Theme) --- */

    /* Header dimensions */
    --topbar-height: 44px;
    --header-height: 80px;
    --header-height-fixed: 64px;
    --total-header: calc(var(--topbar-height) + var(--header-height));

    /* Gold palette */
    --gold-400: #E8C547;
    --gold-500: #D4A843;
    --gold-600: #B8922F;
    --gold-gradient: linear-gradient(135deg, #E8C547, #D4A843);

    /* Accent colors */
    --accent-danger: #C0392B;
    --accent-danger-dark: #962D22;
    --accent-success: #43A047;
    --red-500: #C0392B;
    --red-600: #962D22;

    /* Backgrounds (white-first light theme) */
    --bg-primary: #FFFFFF;
    --bg-secondary: #FAF8F5;
    --bg-elevated: #FFFFFF;
    --bg-card: #FFFFFF;

    /* Text */
    --text-primary: #1A1A1A;
    --text-secondary: #4A4A4A;
    --text-muted: #888888;

    /* Borders */
    --border-subtle: rgba(212, 168, 67, 0.15);
    --border-default: rgba(0, 0, 0, 0.08);
    --glass-border: rgba(0, 0, 0, 0.06);

    /* Glass (neutral) */
    --glass-bg: rgba(0, 0, 0, 0.02);
    --glass-bg-hover: rgba(0, 0, 0, 0.04);

    /* Typography */
    --font-heading: 'DM Serif Display', Georgia, serif;
    --font-body: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', Helvetica, Arial, sans-serif;

    /* Spacing */
    --space-xs: 8px;
    --space-sm: 16px;
    --space-md: 32px;
    --space-lg: 48px;
    --space-xl: 64px;
    --space-2xl: 96px;

    /* Layout */
    --container-max: 1200px;
    --container-padding: 1.5rem;

    /* Radii */
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 16px;
    --radius-xl: 24px;

    /* Shadows (neutral) */
    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.07);
    --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.09);
    --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.12);
    --shadow-xl: 0 20px 60px rgba(0, 0, 0, 0.14);
    --shadow-hover: 0 14px 40px rgba(0, 0, 0, 0.14);
    --shadow-gold: 0 0 30px rgba(232, 197, 71, 0.2);

    /* Transitions */
    --transition: 0.3s ease;
    --transition-slow: 0.6s cubic-bezier(0.25, 0.46, 0.45, 0.94);

    /* --- Legacy Aliases --- */
    --color-gold: var(--gold-400);
    --color-gold-dark: var(--gold-600);
    --color-gold-light: var(--gold-400);
    --color-gold-accent: var(--gold-500);
    --color-red: var(--accent-danger);
    --color-red-dark: var(--accent-danger-dark);
    --color-red-light: var(--accent-danger);
    --color-dark: var(--text-primary);
    --color-dark-light: var(--bg-elevated);
    --color-gray-900: #1A1A1A;
    --color-gray-700: var(--text-secondary);
    --color-gray-500: var(--text-muted);
    --color-gray-300: #E0E0E0;
    --color-gray-100: var(--bg-secondary);
    --color-white: #FFFFFF;
}

/* ---------- Reset & Base ---------- */
*,
*::before,
*::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    font-size: 16px;
    scroll-behavior: smooth;
    scroll-padding-top: var(--total-header, 124px);
    -webkit-text-size-adjust: 100%;
}

body {
    font-family: var(--font-body);
    font-size: 1.125rem;
    font-weight: 400;
    line-height: 1.7;
    color: var(--text-primary);
    background-color: var(--bg-primary);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    overflow-x: hidden;
}

/* Scroll targets clear the sticky header */
section[id],
div[id].scroll-target {
    scroll-margin-top: var(--header-height-fixed, 64px);
}

/* Page load reveal animation */
@keyframes slideDown {
    from { opacity: 0; transform: translateY(-10px); }
    to { opacity: 1; transform: translateY(0); }
}
@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}
.site-header { animation: slideDown 0.5s ease-out both; }
.site-main { animation: fadeIn 0.6s ease-out 0.15s both; }
.site-footer { animation: fadeIn 0.6s ease-out 0.3s both; }

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

a {
    color: var(--gold-600);
    text-decoration: none;
    transition: color var(--transition);
}

a:hover {
    color: var(--gold-500);
}

ul, ol {
    list-style: none;
}

/* ---------- Typography ---------- */
h1, h2 {
    font-family: var(--font-heading);
    font-weight: 400;
    line-height: 1.15;
    color: var(--text-primary);
    margin-bottom: 0.5em;
    letter-spacing: -0.02em;
}
h3, h4, h5, h6 {
    font-family: var(--font-body);
    line-height: 1.3;
    color: var(--text-primary);
    margin-bottom: 0.5em;
}
h3 { font-weight: 700; font-size: 1.75rem; }
h4, h5, h6 { font-weight: 600; }

h1 { font-size: clamp(2.5rem, 5vw, 6rem); }
h2 { font-size: clamp(2rem, 4vw, 3.5rem); }
h4 { font-size: 1.35rem; }
h5 { font-size: 1.1rem; }
h6 { font-size: 1rem; }

p { margin-bottom: 1rem; }

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

.content-area { padding: 3rem 0; }
.content-area.has-sidebar {
    display: grid;
    grid-template-columns: 1fr 300px;
    gap: 3rem;
}
.content-primary--full { max-width: 800px; margin: 0 auto; }

.content-sidebar .widget {
    margin-bottom: 2rem;
    padding: 1.5rem;
    background: var(--bg-secondary);
    border-radius: var(--radius-md);
}
.content-sidebar .widget-title {
    font-size: 1.1rem;
    margin-bottom: 1rem;
    padding-bottom: 0.5rem;
    border-bottom: 2px solid var(--color-gold);
}

/* ---------- Skip Link ---------- */
.skip-link {
    position: absolute; top: -100%; left: 0;
    background: var(--bg-elevated); color: var(--text-primary);
    padding: 0.5rem 1rem; z-index: 9999;
}
.skip-link:focus { top: 0; color: var(--text-primary); }

/* ---------- Buttons ---------- */
.btn {
    display: inline-block;
    padding: 0.875rem 2rem;
    font-family: var(--font-body);
    font-size: 0.95rem;
    font-weight: 700;
    letter-spacing: 0.025em;
    text-transform: uppercase;
    text-align: center;
    border: 2px solid transparent;
    border-radius: var(--radius-sm);
    cursor: pointer;
    transition: all var(--transition);
    text-decoration: none;
}
.btn--lg { padding: 1rem 2.5rem; font-size: 1rem; }
.btn--primary { background-color: var(--accent-danger); color: #fff; border-color: var(--accent-danger); }
.btn--primary:hover { background-color: var(--accent-danger-dark); border-color: var(--accent-danger-dark); color: #fff; }
.btn--outline { background-color: transparent; color: var(--text-primary); border-color: var(--text-primary); }
.btn--outline:hover { background-color: var(--text-primary); color: var(--bg-primary); }
.btn--outline-dark { background-color: transparent; color: var(--text-primary); border-color: var(--text-primary); }
.btn--outline-dark:hover { background-color: var(--text-primary); color: var(--bg-primary); }
.btn--dark { background-color: #0D0D0D; color: #FFFFFF; border-color: #0D0D0D; }
.btn--dark:hover { background-color: #2D2D2D; border-color: #2D2D2D; color: #FFFFFF; }
.btn--gold { background-color: var(--gold-400); color: var(--bg-primary); border-color: var(--gold-400); }
.btn--gold:hover { background-color: var(--gold-600); border-color: var(--gold-600); color: var(--bg-primary); }

/* New button system */
.btn-gold {
    display: inline-block;
    padding: 0.875rem 2rem;
    font-family: var(--font-body);
    font-size: 0.95rem;
    font-weight: 700;
    letter-spacing: 0.025em;
    text-transform: uppercase;
    text-align: center;
    text-decoration: none;
    border: none;
    border-radius: var(--radius-sm);
    cursor: pointer;
    background: var(--gold-gradient);
    color: var(--bg-primary);
    transition: all var(--transition);
    box-shadow: var(--shadow-gold);
}
.btn-gold:hover {
    transform: translateY(-3px);
    box-shadow: 0 0 40px rgba(245, 200, 66, 0.4);
    color: var(--bg-primary);
}
/* Red CTA button */
.btn-red {
    display: inline-block;
    padding: 0.875rem 2rem;
    font-family: var(--font-body);
    font-size: 0.95rem;
    font-weight: 700;
    letter-spacing: 0.025em;
    text-transform: uppercase;
    text-align: center;
    text-decoration: none;
    border: none;
    border-radius: var(--radius-sm);
    cursor: pointer;
    background: var(--red-500);
    color: #fff;
    transition: all var(--transition);
    box-shadow: 0 4px 20px rgba(196, 30, 58, 0.3);
}
.btn-red:hover {
    background: var(--red-600);
    transform: translateY(-3px);
    box-shadow: 0 8px 35px rgba(196, 30, 58, 0.45);
    color: #fff;
}
.btn-red--shimmer {
    position: relative;
    overflow: hidden;
}
.btn-red--shimmer::after {
    content: '';
    position: absolute;
    top: -50%; left: -50%;
    width: 200%; height: 200%;
    background: linear-gradient(
        90deg,
        transparent 30%,
        rgba(255, 255, 255, 0.15) 50%,
        transparent 70%
    );
    transform: rotate(25deg) translateX(-100%);
    animation: shimmerRed 4s ease-in-out infinite 1.5s;
}
@keyframes shimmerRed {
    0% { transform: rotate(25deg) translateX(-100%); }
    30% { transform: rotate(25deg) translateX(100%); }
    100% { transform: rotate(25deg) translateX(100%); }
}

/* Gold shimmer effect */
.shimmer-gold {
    position: relative;
    overflow: hidden;
}
.shimmer-gold::after {
    content: '';
    position: absolute;
    top: -50%; left: -50%;
    width: 200%; height: 200%;
    background: linear-gradient(
        90deg,
        transparent 30%,
        rgba(255, 255, 255, 0.25) 50%,
        transparent 70%
    );
    transform: rotate(25deg) translateX(-100%);
    animation: shimmerGoldLoop 3s ease-in-out infinite;
}
@keyframes shimmerGoldLoop {
    0% { transform: rotate(25deg) translateX(-100%); }
    40% { transform: rotate(25deg) translateX(100%); }
    100% { transform: rotate(25deg) translateX(100%); }
}
.btn-ghost {
    display: inline-block;
    padding: 0.875rem 2rem;
    font-family: var(--font-body);
    font-size: 0.95rem;
    font-weight: 700;
    letter-spacing: 0.025em;
    text-transform: uppercase;
    text-align: center;
    text-decoration: none;
    background: transparent;
    color: var(--text-primary);
    border: 2px solid var(--text-primary);
    border-radius: var(--radius-sm);
    cursor: pointer;
    transition: all var(--transition);
}
.btn-ghost:hover {
    background: var(--text-primary);
    color: #FFFFFF;
    transform: translateY(-3px);
    box-shadow: var(--shadow-gold);
}

/* Glass-card utility */
.glass-card {
    background: rgba(255, 255, 255, 0.85);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border: 1px solid var(--border-default);
    border-radius: var(--radius-lg);
}

.btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.15);
}
.btn:active {
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
}

/* ---------- Breadcrumbs ---------- */
.breadcrumbs {
    background: var(--color-gray-100);
    padding: 0.75rem 0;
    border-bottom: 1px solid var(--color-gray-300);
}

.breadcrumbs__list {
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    gap: 0;
    list-style: none;
    margin: 0;
    padding: 0;
}

.breadcrumbs__item {
    display: flex;
    align-items: center;
    gap: 0;
}

.breadcrumbs__link {
    color: var(--text-muted);
    font-size: 0.8125rem;
    transition: color var(--transition);
    text-decoration: none;
}

.breadcrumbs__link:hover {
    color: var(--gold-500);
}

.breadcrumbs__current {
    color: var(--text-muted);
    font-size: 0.8125rem;
    font-weight: 600;
}

.breadcrumbs__sep {
    margin: 0 0.4rem;
    color: var(--gold-500);
    flex-shrink: 0;
}

/* ---------- Scroll Animations ---------- */
[data-animate] {
    opacity: 0;
    transition: opacity 0.8s cubic-bezier(0.25, 0.46, 0.45, 0.94), transform 0.8s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}
[data-animate="fade"] { opacity: 0; }
[data-animate="fade-up"] { opacity: 0; transform: translateY(40px); }
[data-animate="fade-left"] { opacity: 0; transform: translateX(-40px); }
[data-animate="fade-right"] { opacity: 0; transform: translateX(40px); }
[data-animate].is-visible { opacity: 1; transform: translate(0, 0); }

/* Grid stagger animation (used by scroll-animations.js) */
.grid-animate {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.6s cubic-bezier(0.25, 0.46, 0.45, 0.94), transform 0.6s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}
.is-grid-visible {
    opacity: 1;
    transform: translateY(0);
}
/* ---------- Grain Texture ---------- */
.has-grain::before {
    content: '';
    position: absolute;
    inset: 0;
    z-index: 1;
    pointer-events: none;
    opacity: 0.03;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='300' height='300'%3E%3Cfilter id='a' x='0' y='0'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.75' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23a)'/%3E%3C/svg%3E");
    background-repeat: repeat;
    background-size: 200px 200px;
}

.has-grain > .container {
    position: relative;
    z-index: 2;
}

/* ---------- Global Search Form ---------- */
.search-form { display: flex; }
.search-form .search-field {
    flex: 1; padding: 0.75rem 1rem;
    border: 2px solid var(--border-default);
    border-right: none; border-radius: var(--radius-sm) 0 0 var(--radius-sm);
    font-family: var(--font-body); font-size: 0.95rem; outline: none;
    background: var(--bg-secondary); color: var(--text-primary);
}
.search-form .search-field:focus { border-color: var(--gold-400); }
.search-form .search-submit {
    padding: 0.75rem 1.5rem; background-color: var(--gold-400);
    color: var(--bg-primary); border: 2px solid var(--gold-400);
    border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
    font-family: var(--font-body); font-weight: 700;
    cursor: pointer; transition: all var(--transition);
}
.search-form .search-submit:hover { background-color: var(--color-gold-dark); border-color: var(--color-gold-dark); }

/* ---------- Focus States (Accessibility) ---------- */
*:focus-visible {
    outline: 2px solid var(--color-gold);
    outline-offset: 2px;
}

.btn:focus-visible {
    outline: 2px solid var(--color-gold);
    outline-offset: 3px;
    box-shadow: 0 0 0 4px rgba(245, 200, 66, 0.2);
}

input:focus-visible,
textarea:focus-visible,
select:focus-visible {
    outline: 2px solid var(--color-gold);
    outline-offset: 0;
}

.nav-menu__item a:focus-visible,
.mobile-menu__item a:focus-visible,
.footer-main__links a:focus-visible {
    outline: 2px solid var(--color-gold);
    outline-offset: 2px;
    border-radius: 2px;
}

.header-actions__btn:focus-visible,
.menu-toggle:focus-visible {
    outline: 2px solid var(--color-gold);
    outline-offset: 3px;
    border-radius: var(--radius-sm);
}

.category-card:focus-within,
.method-card:focus-within,
.blog-card:focus-within {
    outline: 2px solid var(--color-gold);
    outline-offset: 2px;
    border-radius: var(--radius-md);
}

.contact-form__field input:focus-visible,
.contact-form__field textarea:focus-visible,
.contact-form__field select:focus-visible {
    outline: none;
    border-bottom-color: var(--color-gold);
    box-shadow: 0 2px 0 0 var(--color-gold);
}

/* ---------- Screen Reader ---------- */
.screen-reader-text {
    border: 0; clip: rect(1px, 1px, 1px, 1px); clip-path: inset(50%);
    height: 1px; margin: -1px; overflow: hidden; padding: 0;
    position: absolute; width: 1px; word-wrap: normal;
}
.screen-reader-text:focus {
    background-color: var(--color-gray-100); clip: auto; clip-path: none;
    color: var(--color-dark); display: block; font-size: 0.875rem;
    font-weight: 700; height: auto; left: 5px; line-height: normal;
    padding: 15px 23px 14px; text-decoration: none; top: 5px;
    width: auto; z-index: 100000;
}

/* SVG logo icon color via currentColor */
.site-logo__icon { color: var(--gold-400); }
.page-loader__icon { color: var(--gold-400); }