/* ============================================================
   Homeowner Operations Manual — Global Design System
   Prefix: hom- (global components)
   ============================================================ */

:root {
    /* --- Brand Colors --- */
    --color-primary: #141413;
    --color-primary-dark: #1c1c17;
    --color-primary-light: #3b3b3b;
    --color-accent: #c96442;
    --color-accent-hover: #b5573a;
    --color-accent-light: #d97757;

    /* --- Text --- */
    --color-text: #141413;
    --color-text-secondary: #5e5d59;
    --color-text-tertiary: #87867f;
    --color-text-light: #faf9f5;
    --color-text-on-dark: #b0aea5;
    --color-text-dark-link: #3d3d3a;

    /* --- Surfaces --- */
    --color-bg: #f5f4ed;
    --color-bg-ivory: #faf9f5;
    --color-bg-white: #ffffff;
    --color-bg-sand: #e8e6dc;
    --color-bg-dark: #141413;
    --color-bg-dark-surface: #30302e;

    /* --- Borders --- */
    --color-border: #f0eee6;
    --color-border-warm: #e8e6dc;
    --color-border-dark: #30302e;

    /* --- Rings / Shadows --- */
    --color-ring: #d1cfc5;
    --color-ring-deep: #c2c0b6;

    /* --- Semantic --- */
    --color-success: #2e9e5d;
    --color-warning: #eca413;
    --color-danger: #b53333;
    --color-info: #2d7fd2;
    --color-focus: #3898ec;

    /* --- Spacing (8pt grid) --- */
    --space-xs: 4px;
    --space-sm: 8px;
    --space-md: 16px;
    --space-lg: 24px;
    --space-xl: 32px;
    --space-2xl: 48px;
    --space-3xl: 64px;
    --space-4xl: 80px;
    --space-5xl: 120px;

    /* --- Typography --- */
    --font-serif: 'Playfair Display', Georgia, serif;
    --font-sans: 'Inter', -apple-system, system-ui, sans-serif;
    --font-mono: 'Courier New', monospace;

    --text-hero: clamp(2.5rem, 5vw, 4rem);
    --text-section: clamp(2rem, 4vw, 3.25rem);
    --text-subhead-lg: clamp(1.5rem, 3vw, 2.3rem);
    --text-subhead: 2rem;
    --text-subhead-sm: 1.6rem;
    --text-feature: 1.3rem;
    --text-body-lg: 1.25rem;
    --text-body: 1.06rem;
    --text-body-std: 1rem;
    --text-body-sm: 0.94rem;
    --text-caption: 0.88rem;
    --text-label: 0.75rem;

    /* --- Border Radius --- */
    --radius-sm: 6px;
    --radius-md: 8px;
    --radius-lg: 12px;
    --radius-xl: 16px;
    --radius-2xl: 24px;
    --radius-full: 9999px;

    /* --- Shadows --- */
    --shadow-whisper: 0 4px 24px rgba(0, 0, 0, 0.05);
    --shadow-ring: 0px 0px 0px 1px var(--color-ring);
    --shadow-ring-deep: 0px 0px 0px 1px var(--color-ring-deep);
}

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

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

html {
    -webkit-text-size-adjust: 100%;
}

body {
    font-family: var(--font-sans);
    font-size: var(--text-body-std);
    line-height: 1.6;
    color: var(--color-text);
    background-color: var(--color-bg);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

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

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

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

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

h1, h2, h3 {
    font-family: var(--font-serif);
    font-weight: 500;
    color: var(--color-text);
}

h1 {
    font-size: var(--text-hero);
    line-height: 1.10;
}

h2 {
    font-size: var(--text-section);
    line-height: 1.20;
}

h3 {
    font-size: var(--text-subhead-sm);
    line-height: 1.20;
}

h4 {
    font-family: var(--font-sans);
    font-size: var(--text-body-lg);
    font-weight: 600;
    line-height: 1.4;
}

p {
    line-height: 1.6;
}

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

.hom-container {
    max-width: 1100px;
    margin: 0 auto;
    padding: 0 var(--space-lg);
}

.hom-container--narrow {
    max-width: 600px;
}

.hom-container--wide {
    max-width: 1200px;
}

/* ============================================================
   Navigation
   ============================================================ */

.hom-nav {
    position: sticky;
    top: 0;
    background-color: rgba(245, 244, 237, 0.95);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    border-bottom: 1px solid var(--color-border);
    padding: var(--space-md) 0;
    z-index: 1000;
}

.hom-nav__inner {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.hom-nav__logo {
    font-family: var(--font-serif);
    font-size: 1.5rem;
    font-weight: 500;
    text-decoration: none;
    color: var(--color-text);
}

.hom-nav__links {
    display: flex;
    align-items: center;
    gap: var(--space-lg);
    list-style: none;
}

.hom-nav__link {
    font-size: var(--text-body-sm);
    color: var(--color-text-secondary);
    text-decoration: none;
    font-weight: 500;
}

.hom-nav__link:hover {
    color: var(--color-text);
}

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

.hom-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-sm);
    padding: 14px 28px;
    border-radius: var(--radius-md);
    text-decoration: none;
    font-family: var(--font-sans);
    font-weight: 500;
    font-size: var(--text-body-std);
    line-height: 1;
    border: none;
    cursor: pointer;
    transition: all 0.2s ease;
}

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

.hom-btn--primary:hover {
    background-color: var(--color-accent);
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
    color: var(--color-bg);
}

.hom-btn--accent {
    background-color: var(--color-accent);
    color: var(--color-text-light);
}

.hom-btn--accent:hover {
    background-color: var(--color-accent-hover);
    transform: translateY(-1px);
    color: var(--color-text-light);
}

.hom-btn--secondary {
    background-color: var(--color-bg-sand);
    color: var(--color-text);
    box-shadow: var(--shadow-ring);
}

.hom-btn--secondary:hover {
    box-shadow: var(--shadow-ring-deep);
}

.hom-btn--outline {
    background: transparent;
    border: 1px solid var(--color-border-warm);
    color: var(--color-text);
}

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

.hom-btn--sm {
    padding: 10px 20px;
    font-size: var(--text-caption);
}

.hom-btn--lg {
    padding: 16px 32px;
    font-size: var(--text-body);
}

.hom-btn--full {
    width: 100%;
}

.hom-btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
    transform: none;
}

/* ============================================================
   Cards
   ============================================================ */

.hom-card {
    background: var(--color-bg-ivory);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    padding: var(--space-xl);
}

.hom-card--elevated {
    box-shadow: var(--shadow-whisper);
}

.hom-card--white {
    background: var(--color-bg-white);
}

/* ============================================================
   Forms
   ============================================================ */

.hom-form__group {
    margin-bottom: var(--space-md);
}

.hom-form__label {
    display: block;
    font-size: var(--text-caption);
    font-weight: 500;
    color: var(--color-text-secondary);
    margin-bottom: var(--space-xs);
}

.hom-form__input {
    width: 100%;
    padding: 12px var(--space-md);
    font-family: var(--font-sans);
    font-size: var(--text-body-std);
    color: var(--color-text);
    background: var(--color-bg-white);
    border: 1px solid var(--color-border-warm);
    border-radius: var(--radius-lg);
    transition: border-color 0.2s ease;
}

.hom-form__input:focus {
    outline: none;
    border-color: var(--color-focus);
    box-shadow: 0 0 0 3px rgba(56, 152, 236, 0.15);
}

.hom-form__input--error {
    border-color: var(--color-danger);
}

.hom-form__error {
    font-size: var(--text-caption);
    color: var(--color-danger);
    margin-top: var(--space-xs);
}

.hom-form__select {
    width: 100%;
    padding: 12px var(--space-md);
    font-family: var(--font-sans);
    font-size: var(--text-body-std);
    color: var(--color-text);
    background: var(--color-bg-white);
    border: 1px solid var(--color-border-warm);
    border-radius: var(--radius-lg);
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%235e5d59' d='M6 8L1 3h10z'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 12px center;
    cursor: pointer;
}

.hom-form__select:focus {
    outline: none;
    border-color: var(--color-focus);
    box-shadow: 0 0 0 3px rgba(56, 152, 236, 0.15);
}

.hom-form__checkbox-wrap {
    display: flex;
    align-items: flex-start;
    gap: var(--space-sm);
}

.hom-form__hint {
    font-size: var(--text-caption);
    color: var(--color-text-tertiary);
    margin-top: var(--space-xs);
}

textarea.hom-form__input {
    min-height: 100px;
    resize: vertical;
}

/* ============================================================
   Alerts / Notices
   ============================================================ */

.hom-alert {
    padding: var(--space-md);
    border-radius: var(--radius-md);
    font-size: var(--text-body-sm);
    margin-bottom: var(--space-md);
}

.hom-alert--success {
    background: #ecfdf5;
    color: #065f46;
    border: 1px solid #a7f3d0;
}

.hom-alert--error {
    background: #fef2f2;
    color: #991b1b;
    border: 1px solid #fecaca;
}

.hom-alert--info {
    background: #eff6ff;
    color: #1e40af;
    border: 1px solid #bfdbfe;
}

.hom-alert--warning {
    background: #fffbeb;
    color: #92400e;
    border: 1px solid #fde68a;
}

/* ============================================================
   Sections
   ============================================================ */

.hom-section {
    padding: var(--space-4xl) 0;
}

.hom-section--dark {
    background-color: var(--color-bg-dark);
    color: var(--color-text-light);
}

.hom-section--dark h2,
.hom-section--dark h3 {
    color: var(--color-text-light);
}

.hom-section--dark p {
    color: var(--color-text-on-dark);
}

.hom-section--subtle {
    background-color: var(--color-bg-sand);
    border-radius: var(--radius-2xl);
    margin: var(--space-xl) 0;
}

.hom-section__title {
    text-align: center;
    margin-bottom: var(--space-3xl);
}

/* ============================================================
   Badge
   ============================================================ */

.hom-badge {
    display: inline-block;
    padding: 2px 10px;
    font-size: var(--text-label);
    font-weight: 500;
    border-radius: var(--radius-full);
    line-height: 1.6;
}

.hom-badge--accent {
    color: var(--color-accent);
    border: 1px solid var(--color-accent);
}

.hom-badge--success {
    color: var(--color-success);
    border: 1px solid var(--color-success);
}

.hom-badge--free {
    color: var(--color-text-secondary);
    border: 1px solid var(--color-border-warm);
}

/* ============================================================
   Spinner
   ============================================================ */

.hom-spinner {
    display: inline-block;
    width: 24px;
    height: 24px;
    border: 3px solid var(--color-border-warm);
    border-top-color: var(--color-accent);
    border-radius: 50%;
    animation: hom-spin 0.6s linear infinite;
}

.hom-spinner--lg {
    width: 40px;
    height: 40px;
    border-width: 4px;
}

@keyframes hom-spin {
    to { transform: rotate(360deg); }
}

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

.hom-text-center { text-align: center; }
.hom-text-secondary { color: var(--color-text-secondary); }
.hom-text-tertiary { color: var(--color-text-tertiary); }
.hom-text-sm { font-size: var(--text-caption); }
.hom-mt-sm { margin-top: var(--space-sm); }
.hom-mt-md { margin-top: var(--space-md); }
.hom-mt-lg { margin-top: var(--space-lg); }
.hom-mt-xl { margin-top: var(--space-xl); }
.hom-mb-md { margin-bottom: var(--space-md); }
.hom-mb-lg { margin-bottom: var(--space-lg); }
.hom-hidden { display: none; }

/* ============================================================
   Responsive
   ============================================================ */

@media (max-width: 768px) {
    .hom-nav__links {
        gap: var(--space-md);
    }

    .hom-section {
        padding: var(--space-3xl) 0;
    }
}

@media (max-width: 480px) {
    .hom-container {
        padding: 0 var(--space-md);
    }
}