/* ═══════════════════════════════════════════════════════════════
   REVITAGLOW — Luxe Noir & Rose Design System
   ═══════════════════════════════════════════════════════════════ */

/* 1. FONTS */
@import url('https://fonts.googleapis.com/css2?family=Cormorant+Garamond:ital,wght@0,400;0,500;0,600;0,700;1,400;1,500&family=DM+Sans:ital,opsz,wght@0,9..40,300;0,9..40,400;0,9..40,500;0,9..40,600;0,9..40,700;1,9..40,400&display=swap');

/* 2. LIGHT THEME (DEFAULT) */
:root {
    /* Backgrounds */
    --bg-main: #FAF7F5;
    --bg-surface: #FFFFFF;
    --bg-surface-hover: #FFF8F6;
    --bg-elevated: #FFFFFF;
    /* Typography */
    --text-main: #1A1A1A;
    --text-muted: #7A7574;
    --text-inverse: #FFFFFF;
    /* Brand Colors */
    --brand-primary: #C9A87C;
    --brand-primary-hover: #B8956A;
    --brand-primary-light: rgba(201, 168, 124, 0.12);
    --brand-accent: #E8B4B8;
    --brand-accent-light: rgba(232, 180, 184, 0.15);
    /* Gradients */
    --gradient-primary: linear-gradient(135deg, #C9A87C 0%, #E8B4B8 100%);
    --gradient-hero: linear-gradient(135deg, rgba(201, 168, 124, 0.85) 0%, rgba(232, 180, 184, 0.75) 50%, rgba(26, 26, 26, 0.6) 100%);
    --gradient-dark: linear-gradient(135deg, #1A1A1A 0%, #2D2D2D 100%);
    /* UI Colors */
    --border-color: rgba(201, 168, 124, 0.2);
    --border-strong: rgba(201, 168, 124, 0.35);
    --success-color: #6B9E78;
    --danger-color: #C75C5C;
    --warning-color: #D4A34A;
    /* Shadows */
    --shadow-sm: 0 2px 8px rgba(26, 26, 26, 0.04);
    --shadow-md: 0 4px 20px rgba(26, 26, 26, 0.06);
    --shadow-lg: 0 8px 40px rgba(26, 26, 26, 0.08);
    --shadow-glow: 0 0 30px rgba(201, 168, 124, 0.15);
    --shadow-glow-strong: 0 0 50px rgba(201, 168, 124, 0.25);
    /* Glass */
    --glass-bg: rgba(255, 255, 255, 0.75);
    --glass-border: rgba(201, 168, 124, 0.18);
    --glass-blur: 20px;
    /* Fonts */
    --font-ui: 'DM Sans', sans-serif;
    --font-heading: 'Cormorant Garamond', serif;
    /* Radii */
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 16px;
    --radius-xl: 24px;
    --radius-full: 9999px;
    /* Spacing */
    --section-py: 6rem;
    /* Transitions */
    --transition-fast: 0.2s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-base: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-slow: 0.5s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-spring: 0.6s cubic-bezier(0.34, 1.56, 0.64, 1);
}

/* 3. DARK THEME OVERRIDES */
[data-theme="dark"] {
    --bg-main: #0D0D0D;
    --bg-surface: #1A1A1A;
    --bg-surface-hover: #222222;
    --bg-elevated: #242424;
    --text-main: #F5F0ED;
    --text-muted: #9A918E;
    --text-inverse: #0D0D0D;
    --brand-primary: #D4B896;
    --brand-primary-hover: #E0C9A8;
    --brand-primary-light: rgba(212, 184, 150, 0.1);
    --brand-accent: #EDCACD;
    --brand-accent-light: rgba(237, 202, 205, 0.1);
    --gradient-primary: linear-gradient(135deg, #D4B896 0%, #EDCACD 100%);
    --gradient-hero: linear-gradient(135deg, rgba(212, 184, 150, 0.75) 0%, rgba(237, 202, 205, 0.6) 50%, rgba(13, 13, 13, 0.7) 100%);
    --border-color: rgba(212, 184, 150, 0.12);
    --border-strong: rgba(212, 184, 150, 0.25);
    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.2);
    --shadow-md: 0 4px 20px rgba(0, 0, 0, 0.3);
    --shadow-lg: 0 8px 40px rgba(0, 0, 0, 0.4);
    --shadow-glow: 0 0 30px rgba(212, 184, 150, 0.1);
    --shadow-glow-strong: 0 0 50px rgba(212, 184, 150, 0.2);
    --glass-bg: rgba(26, 26, 26, 0.8);
    --glass-border: rgba(212, 184, 150, 0.1);
    --success-color: #7DB88A;
    --danger-color: #D47070;
    --warning-color: #E0B55A;
}

/* ═══════════════════════════════════════════════════════════════
   4. GLOBAL ELEMENT STYLING
   ═══════════════════════════════════════════════════════════════ */

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

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

body {
    background-color: var(--bg-main);
    color: var(--text-main);
    font-family: var(--font-ui);
    font-weight: 400;
    line-height: 1.7;
    transition: background-color var(--transition-slow), color var(--transition-slow);
    overflow-x: hidden;
}

::selection {
    background-color: var(--brand-primary);
    color: #fff;
}

/* Custom scrollbar */
::-webkit-scrollbar { width: 8px; }
::-webkit-scrollbar-track { background: var(--bg-main); }
::-webkit-scrollbar-thumb { background: var(--brand-primary); border-radius: var(--radius-full); }
::-webkit-scrollbar-thumb:hover { background: var(--brand-primary-hover); }

h1, h2, h3, h4, h5, h6, .spa-heading {
    font-family: var(--font-heading);
    color: var(--text-main);
    font-weight: 600;
    line-height: 1.2;
    letter-spacing: 0.01em;
}

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

img { max-width: 100%; }

/* ═══════════════════════════════════════════════════════════════
   5. REUSABLE COMPONENT CLASSES
   ═══════════════════════════════════════════════════════════════ */

/* --- Surface Card --- */
.card-surface {
    background-color: var(--bg-surface);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
    transition: all var(--transition-base);
}

/* --- Glass Card --- */
.glass-card {
    background: var(--glass-bg);
    backdrop-filter: blur(var(--glass-blur));
    -webkit-backdrop-filter: blur(var(--glass-blur));
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
}

/* --- Text Utilities --- */
.text-muted-custom {
    color: var(--text-muted) !important;
}

.text-main {
    color: var(--text-main) !important;
}

.gradient-text {
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* --- Section Label --- */
.section-label {
    display: inline-block;
    font-family: var(--font-ui);
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 3px;
    color: var(--brand-primary);
    margin-bottom: 1rem;
    position: relative;
    padding-left: 2.5rem;
}
.section-label::before {
    content: '';
    position: absolute;
    left: 0;
    top: 50%;
    transform: translateY(-50%);
    width: 1.75rem;
    height: 1px;
    background: var(--gradient-primary);
}

/* --- Primary Button --- */
.btn-primary-custom {
    background: var(--gradient-primary);
    color: #1A1A1A;
    border: none;
    font-family: var(--font-ui);
    font-weight: 600;
    font-size: 0.85rem;
    text-transform: uppercase;
    letter-spacing: 1.5px;
    border-radius: var(--radius-full);
    padding: 0.875rem 2rem;
    position: relative;
    overflow: hidden;
    transition: all var(--transition-base);
    box-shadow: 0 4px 15px rgba(201, 168, 124, 0.3);
}
.btn-primary-custom::before {
    content: '';
    position: absolute;
    top: 0; left: -100%;
    width: 100%; height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.3), transparent);
    transition: left 0.5s ease;
}
.btn-primary-custom:hover {
    color: #1A1A1A;
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(201, 168, 124, 0.4);
}
.btn-primary-custom:hover::before {
    left: 100%;
}
.btn-primary-custom:active {
    transform: translateY(0);
}

/* --- Outline Button --- */
.btn-outline-custom {
    background: transparent;
    color: var(--text-main);
    border: 1.5px solid var(--border-strong);
    font-family: var(--font-ui);
    font-weight: 600;
    font-size: 0.85rem;
    text-transform: uppercase;
    letter-spacing: 1.5px;
    border-radius: var(--radius-full);
    padding: 0.875rem 2rem;
    transition: all var(--transition-base);
}
.btn-outline-custom:hover {
    background: var(--brand-primary-light);
    border-color: var(--brand-primary);
    color: var(--brand-primary);
    transform: translateY(-2px);
}

/* --- Border Utility --- */
.border-bottom-custom {
    border-bottom: 1px solid var(--border-color) !important;
}

/* --- Transitions --- */
.transition-hover {
    transition: all var(--transition-base);
}
.transition-hover:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
}

/* --- Interactive Card --- */
.selectable-card {
    cursor: pointer;
    border: 1.5px solid var(--border-color);
    border-radius: var(--radius-md);
    transition: all var(--transition-base);
}
.selectable-card:hover {
    border-color: var(--brand-primary);
    box-shadow: var(--shadow-glow);
    transform: translateY(-3px);
}
.selectable-card:active {
    transform: translateY(0);
    opacity: 0.9;
}
.selectable-card.selected {
    border-color: var(--brand-primary);
    background: var(--brand-primary-light);
    box-shadow: var(--shadow-glow);
}

.cursor-pointer { cursor: pointer; }

/* --- Tracking --- */
.tracking-wide { letter-spacing: 2px; }
.tracking-wider { letter-spacing: 3px; }

/* ═══════════════════════════════════════════════════════════════
   6. FORM STYLING
   ═══════════════════════════════════════════════════════════════ */

.form-control, .form-select {
    border-radius: var(--radius-md);
    border: 1.5px solid var(--border-color);
    background: transparent;
    color: var(--text-main);
    font-family: var(--font-ui);
    padding: 0.75rem 1rem;
    transition: all var(--transition-fast);
}
.form-control:focus, .form-select:focus {
    border-color: var(--brand-primary);
    box-shadow: 0 0 0 3px var(--brand-primary-light);
    background: transparent;
    color: var(--text-main);
}
.form-control::placeholder {
    color: var(--text-muted);
    opacity: 0.6;
}

.form-floating > .form-control {
    border-radius: 0;
    border: none;
    border-bottom: 1.5px solid var(--border-color);
    padding-left: 0;
    background: transparent;
}
.form-floating > .form-control:focus {
    border-color: var(--brand-primary);
    box-shadow: none;
}
.form-floating > label {
    padding-left: 0;
    color: var(--text-muted);
}

.form-check-input {
    border-radius: var(--radius-sm) !important;
    border: 1.5px solid var(--border-strong);
}
.form-check-input:checked {
    background-color: var(--brand-primary);
    border-color: var(--brand-primary);
}
.form-check-input:focus {
    box-shadow: 0 0 0 3px var(--brand-primary-light);
}

/* ═══════════════════════════════════════════════════════════════
   7. BADGE STYLING
   ═══════════════════════════════════════════════════════════════ */

.badge {
    font-family: var(--font-ui);
    font-weight: 600;
    font-size: 0.7rem;
    letter-spacing: 1px;
    text-transform: uppercase;
    border-radius: var(--radius-full);
    padding: 0.35em 0.85em;
}

/* ═══════════════════════════════════════════════════════════════
   8. ANIMATIONS
   ═══════════════════════════════════════════════════════════════ */

/* Fade In Up */
@keyframes fadeInUp {
    from { opacity: 0; transform: translateY(30px); }
    to   { opacity: 1; transform: translateY(0); }
}
.animate-fade-in {
    animation: fadeInUp 0.8s var(--transition-base) forwards;
}
.animate-fade-in-delay-1 { animation-delay: 0.15s; opacity: 0; }
.animate-fade-in-delay-2 { animation-delay: 0.3s; opacity: 0; }
.animate-fade-in-delay-3 { animation-delay: 0.45s; opacity: 0; }

/* Subtle Float */
@keyframes subtleFloat {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-8px); }
}
.animate-float {
    animation: subtleFloat 4s ease-in-out infinite;
}

/* Shimmer */
@keyframes shimmer {
    0% { background-position: -200% center; }
    100% { background-position: 200% center; }
}
.shimmer-text {
    background: linear-gradient(90deg, var(--text-main) 0%, var(--brand-primary) 40%, var(--brand-accent) 60%, var(--text-main) 100%);
    background-size: 200% auto;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    animation: shimmer 4s linear infinite;
}

/* Pulse Glow */
@keyframes pulseGlow {
    0%, 100% { box-shadow: 0 0 20px rgba(201, 168, 124, 0.2); }
    50% { box-shadow: 0 0 40px rgba(201, 168, 124, 0.4); }
}
.pulse-glow {
    animation: pulseGlow 2.5s ease-in-out infinite;
}

/* Scale In */
@keyframes scaleIn {
    from { opacity: 0; transform: scale(0.9); }
    to   { opacity: 1; transform: scale(1); }
}
.animate-scale-in {
    animation: scaleIn 0.5s var(--transition-base) forwards;
}

/* Success Check */
@keyframes successBounce {
    0% { transform: scale(0); opacity: 0; }
    50% { transform: scale(1.2); }
    100% { transform: scale(1); opacity: 1; }
}
.animate-success {
    animation: successBounce 0.6s cubic-bezier(0.34, 1.56, 0.64, 1) forwards;
}

/* Spin */
@keyframes spin {
    from { transform: rotate(0deg); }
    to { transform: rotate(360deg); }
}

/* Gradient Shift */
@keyframes gradientShift {
    0% { background-position: 0% 50%; }
    50% { background-position: 100% 50%; }
    100% { background-position: 0% 50%; }
}

/* ═══════════════════════════════════════════════════════════════
   9. NAVBAR OVERRIDES
   ═══════════════════════════════════════════════════════════════ */

.navbar {
    transition: all var(--transition-slow) !important;
}

.nav-link {
    font-family: var(--font-ui);
    font-weight: 500;
    font-size: 0.8rem;
    letter-spacing: 1.5px;
    text-transform: uppercase;
    position: relative;
    padding-bottom: 0.25rem;
    transition: color var(--transition-fast), opacity var(--transition-fast);
}
.nav-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    width: 0;
    height: 1.5px;
    background: var(--gradient-primary);
    transition: all var(--transition-base);
    transform: translateX(-50%);
}
.nav-link:hover::after {
    width: 100%;
}
.nav-link:hover {
    opacity: 0.8;
}

/* ═══════════════════════════════════════════════════════════════
   10. DROPDOWN OVERRIDES
   ═══════════════════════════════════════════════════════════════ */

.dropdown-menu {
    background: var(--glass-bg);
    backdrop-filter: blur(var(--glass-blur));
    -webkit-backdrop-filter: blur(var(--glass-blur));
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-lg);
    padding: 0.5rem;
    display: block;
    visibility: hidden;
    opacity: 0;
    transform: translateY(10px) scale(0.98);
    transition: all var(--transition-base);
}
.dropdown-menu.show {
    visibility: visible;
    opacity: 1;
    transform: translateY(0) scale(1);
}
.dropdown-item {
    color: var(--text-main);
    font-size: 0.875rem;
    font-weight: 500;
    border-radius: var(--radius-sm);
    padding: 0.6rem 1rem;
    transition: all var(--transition-fast);
}
.dropdown-item:hover {
    background: var(--brand-primary-light);
    color: var(--brand-primary);
}

/* ═══════════════════════════════════════════════════════════════
   11. MODAL OVERRIDES
   ═══════════════════════════════════════════════════════════════ */

.modal-content {
    background: var(--glass-bg);
    backdrop-filter: blur(var(--glass-blur));
    -webkit-backdrop-filter: blur(var(--glass-blur));
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-xl) !important;
    box-shadow: var(--shadow-lg);
    overflow: hidden;
}

/* ═══════════════════════════════════════════════════════════════
   12. SOCIAL ICONS
   ═══════════════════════════════════════════════════════════════ */

.social-icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 44px;
    height: 44px;
    border-radius: var(--radius-full);
    border: 1px solid var(--border-color);
    color: var(--text-main);
    font-size: 1.1rem;
    transition: all var(--transition-base);
}
.social-icon:hover {
    background: var(--gradient-primary);
    color: #1A1A1A;
    border-color: transparent;
    transform: translateY(-3px);
    box-shadow: var(--shadow-glow);
}

/* ═══════════════════════════════════════════════════════════════
   13. ALERT OVERRIDES
   ═══════════════════════════════════════════════════════════════ */

.alert {
    border-radius: var(--radius-md);
    font-family: var(--font-ui);
}

/* ═══════════════════════════════════════════════════════════════
   14. PAGINATION OVERRIDES
   ═══════════════════════════════════════════════════════════════ */

.page-link {
    border: none;
    border-radius: var(--radius-sm) !important;
    font-family: var(--font-ui);
    font-weight: 600;
    margin: 0 2px;
    transition: all var(--transition-fast);
}

/* ═══════════════════════════════════════════════════════════════
   15. DARK THEME SPECIFIC
   ═══════════════════════════════════════════════════════════════ */

[data-theme="dark"] .btn-close {
    filter: invert(1) grayscale(100%) brightness(200%);
}

[data-theme="dark"] .form-floating > .form-control {
    color: var(--text-main);
}

/* ═══════════════════════════════════════════════════════════════
   16. RESPONSIVE
   ═══════════════════════════════════════════════════════════════ */

@media (max-width: 767.98px) {
    :root {
        --section-py: 3.5rem;
    }
    .display-1 { font-size: 2.5rem; }
    .display-4 { font-size: 2rem; }
    .display-5 { font-size: 1.75rem; }
    .display-6 { font-size: 1.5rem; }
    
    .section-label {
        font-size: 0.65rem;
        padding-left: 1.75rem;
    }
    .section-label::before {
        width: 1.25rem;
    }
}