/* ============================================
   LUXURY GOLD DARK MODE - VitalityAI
   Premium Minimalist Design 🏆
   ============================================ */

/* === CSS VARIABLES === */
:root {
    /* Colors - Luxury Gold Palette */
    --bg-primary: #0a0a0a;
    --bg-secondary: #121212;
    --bg-card: #1a1a1a;

    --gold-primary: #d4af37;
    --gold-light: #f4e5c3;
    --gold-dark: #b8941f;

    --text-primary: #f5f5f5;
    --text-muted: #a0a0a0;
    --text-gold: #d4af37;

    /* Spacing */
    --space-xs: 0.25rem;
    --space-sm: 0.5rem;
    --space-md: 1rem;
    --space-lg: 1.5rem;
    --space-xl: 2rem;
    --space-2xl: 3rem;
    --space-3xl: 4rem;

    /* Shadows & Glow */
    --glow-gold: 0 0 30px rgba(212, 175, 55, 0.3);
    --glow-gold-strong: 0 0 50px rgba(212, 175, 55, 0.5);
    --shadow-card: 0 10px 40px rgba(0, 0, 0, 0.6);

    /* Border Radius */
    --radius-sm: 4px;
    --radius-md: 8px;
    --radius-lg: 12px;
    --radius-xl: 16px;
}

/* === GLOBAL RESET === */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    /* User request: remove focus outline/frame */
    outline: none !important;
    -webkit-tap-highlight-color: transparent;
}

body {
    background: var(--bg-primary);
    color: var(--text-primary);
    font-family: 'Inter', 'SF Pro Display', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    font-size: 16px;
    font-weight: 300;
    line-height: 1.6;
    overflow-x: hidden;
    /* User request: HIDE ALL SCROLLBARS but allow scrolling */
    scrollbar-width: none;
    /* Firefox */
    -ms-overflow-style: none;
    /* IE/Edge */
}

/* Hide scrollbar for Chrome, Safari and Opera globally */
::-webkit-scrollbar {
    display: none;
}

/* Specific class for no-scroll pages */
.no-scroll {
    overflow: hidden !important;
    height: 100vh;
}

/* === TYPOGRAPHY === */
h1,
h2,
h3,
h4,
h5,
h6 {
    font-weight: 300;
    letter-spacing: 0.05em;
    line-height: 1.2;
    text-transform: uppercase;
}

h1 {
    font-size: clamp(2.5rem, 6vw, 4.5rem);
    color: var(--gold-light);
    text-shadow: var(--glow-gold);
    letter-spacing: 0.1em;
}

h2 {
    font-size: clamp(1.75rem, 4vw, 3rem);
    color: var(--text-primary);
    letter-spacing: 0.08em;
}

h3 {
    font-size: clamp(1.25rem, 3vw, 2rem);
    color: var(--gold-primary);
    letter-spacing: 0.05em;
}

p {
    color: var(--text-muted);
    line-height: 1.8;
    font-weight: 300;
    letter-spacing: 0.02em;
}

/* === LUXURY CARD === */
.luxury-card {
    background: var(--bg-card);
    border: 1px solid rgba(212, 175, 55, 0.15);
    border-radius: var(--radius-lg);
    padding: var(--space-xl);
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
    overflow: hidden;
}

.luxury-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--gold-primary), transparent);
    opacity: 0;
    transition: opacity 0.4s ease;
}

.luxury-card:hover {
    border-color: rgba(212, 175, 55, 0.4);
    transform: translateY(-8px);
    box-shadow: var(--shadow-card), var(--glow-gold);
}

.luxury-card:hover::before {
    opacity: 1;
}

.card-centered {
    width: 90%;
    max-width: 450px;
    margin: 0 auto;
    position: relative;
    z-index: 2;
}

/* === BUTTONS === */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 1rem 2.5rem;
    font-size: 0.875rem;
    font-weight: 400;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    border: none;
    border-radius: var(--radius-sm);
    cursor: pointer;
    transition: all 0.3s ease;
    text-decoration: none;
    position: relative;
}

.btn-primary {
    background: var(--gold-primary);
    color: var(--bg-primary);
    box-shadow: 0 4px 20px rgba(212, 175, 55, 0.3);
}

.btn-primary:hover {
    background: var(--gold-light);
    box-shadow: var(--glow-gold-strong);
    transform: translateY(-2px);
}

.btn-secondary {
    background: transparent;
    color: var(--gold-primary);
    border: 1px solid var(--gold-primary);
}

.btn-secondary:hover {
    background: rgba(212, 175, 55, 0.1);
    box-shadow: var(--glow-gold);
}

/* === INPUTS === */
.input {
    width: 100%;
    padding: 1rem 1.5rem;
    background: var(--bg-secondary);
    border: 1px solid rgba(212, 175, 55, 0.2);
    border-radius: var(--radius-sm);
    color: var(--text-primary);
    font-family: inherit;
    font-size: 1rem;
    font-weight: 300;
    letter-spacing: 0.02em;
    transition: all 0.3s ease;
}

.input:focus {
    outline: none;
    border-color: var(--gold-primary);
    box-shadow: 0 0 0 2px rgba(212, 175, 55, 0.1);
}

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

/* === UTILITY CLASSES === */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--space-lg);
}

.flex {
    display: flex;
}

.flex-col {
    flex-direction: column;
}

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

.justify-center {
    justify-content: center;
}

.gap-sm {
    gap: var(--space-sm);
}

.gap-md {
    gap: var(--space-md);
}

.gap-lg {
    gap: var(--space-lg);
}

.gap-xl {
    gap: var(--space-xl);
}

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

.cursor-pointer {
    cursor: pointer;
}

/* === GOLD ACCENT LINE === */
.gold-line {
    width: 60px;
    height: 2px;
    background: var(--gold-primary);
    margin: var(--space-lg) auto;
    box-shadow: var(--glow-gold);
}

/* === ICON GLOW === */
.icon-glow {
    filter: drop-shadow(0 0 15px var(--gold-primary));
    transition: filter 0.3s ease;
}

.icon-glow:hover {
    filter: drop-shadow(0 0 25px var(--gold-primary));
}

/* === FADE IN ANIMATION === */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.fade-in {
    animation: fadeInUp 0.8s ease-out;
}

/* === RESPONSIVE === */
@media (max-width: 768px) {
    body {
        font-size: 14px;
    }

    .container {
        padding: 0 var(--space-md);
    }

    .btn {
        padding: 0.875rem 2rem;
        font-size: 0.75rem;
    }

    .luxury-card {
        padding: var(--space-lg);
    }
}

/* === RESPONSIVE LAYOUTS (Modern Web Designer) === */
.section-wrapper {
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding: var(--space-xl) 0;
    /* Smaller padding on mobile */
    position: relative;
}

@media (min-width: 768px) {
    .section-wrapper {
        padding: var(--space-3xl) 0;
    }
}

.section-wrapper.bg-dark-alt {
    background: var(--bg-secondary);
}

.grid-responsive {
    display: grid;
    grid-template-columns: 1fr;
    /* Mobile first: stack vertically */
    gap: var(--space-2xl);
    align-items: center;
}

@media (min-width: 768px) {
    .grid-responsive {
        grid-template-columns: 1fr 1fr;
        /* Tablet/Desktop: side-by-side */
        gap: var(--space-3xl);
    }
}

/* Mobile Ordering Utility */
@media (max-width: 767px) {
    .order-first-mobile {
        order: -1;
    }

    .order-last-mobile {
        order: 2;
    }

    /* Adjust text size for mobile */
    h1 {
        font-size: 2.5rem;
    }

    h2 {
        font-size: 2rem;
    }
}

/* === SUBTLE GRID (Optional) === */
.grid-bg {
    background-image:
        linear-gradient(rgba(212, 175, 55, 0.03) 1px, transparent 1px),
        linear-gradient(90deg, rgba(212, 175, 55, 0.03) 1px, transparent 1px);
    background-size: 80px 80px;
}