/* ==========================================================================
   DESIGN SYSTEM - FUTURE HAIR FIBERS
   Theme: Alabaster Silk & Royal Bronze (Luxury Cosmétique Light Theme)
   ========================================================================== */

/* 1. CSS VARIABLES & THEME CONFIGURATION */
:root {
    /* Color Palette */
    --bg-main: #faf8f5;              /* Fondo claro alabastro */
    --bg-darker: #f3ebd9;            /* Fondo crema/arena suave */
    --bg-card: #ffffff;              /* Tarjetas de mármol blanco puro */
    --bg-card-hover: #ffffff;
    --bg-drawer: #fdfcf9;            /* Panel lateral de compra premium */
    
    --gold-primary: #a87c53;         /* Bronce Real elegante */
    --gold-satin: #c5a059;           /* Oro Champagne satinado */
    --gold-dark: #8f6430;            /* Bronce Profundo para contraste */
    --gold-glow: rgba(168, 124, 83, 0.06);
    --gold-border: rgba(168, 124, 83, 0.15); /* Bordes finos y cálidos */
    --gold-border-hover: rgba(168, 124, 83, 0.35);
    
    --text-pure: #1a1a22;            /* Texto principal carbón profundo */
    --text-ivory: #2c2c35;           /* Texto secundario */
    --text-muted: #646473;           /* Texto atenuado legibilidad perfecta */
    --text-dark: #ffffff;            /* Texto claro para botones y badges */
    
    /* Typography */
    --font-serif: 'Cormorant Garamond', serif;
    --font-sans: 'Inter', sans-serif;
    --font-display: 'Montserrat', sans-serif;
    
    /* Layout & Utilities */
    --header-height: 90px;
    --border-radius-lg: 16px;
    --border-radius-md: 8px;
    --border-radius-sm: 4px;
    
    /* Animation & Transitions */
    --transition-smooth: all 0.4s cubic-bezier(0.16, 1, 0.3, 1);
    --transition-fast: all 0.2s ease;
    
    /* Sombras Orgánicas y Suaves */
    --glow-shadow: 0 10px 30px var(--gold-glow);
    --glass-shadow: 0 15px 35px rgba(168, 124, 83, 0.05);
}

/* 2. BASE RESET & INITIAL SETUP */
* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

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

body {
    background-color: var(--bg-main);
    color: var(--text-ivory);
    font-family: var(--font-sans);
    line-height: 1.6;
    overflow-x: hidden;
}

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

button {
    background: none;
    border: none;
    cursor: pointer;
    font-family: inherit;
}

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

ul {
    list-style: none;
}

/* 3. PREMIUM TYPOGRAPHY LAYOUTS */
h1, h2, h3, h4 {
    color: var(--text-pure);
}

.gold-text {
    color: var(--gold-satin);
    background: linear-gradient(135deg, var(--gold-satin), var(--gold-dark));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

/* Common Section Header style */
.section-header {
    text-align: center;
    max-width: 750px;
    margin: 0 auto 50px;
    padding: 0 20px;
}

.section-subtitle {
    font-family: var(--font-sans);
    font-size: 0.8rem;
    font-weight: 600;
    text-transform: uppercase;
    color: var(--gold-primary);
    letter-spacing: 3px;
    display: inline-block;
    margin-bottom: 12px;
}

.section-title {
    font-family: var(--font-serif);
    font-size: 2.8rem;
    font-weight: 500;
    line-height: 1.2;
    letter-spacing: 1px;
    margin-bottom: 15px;
}

.section-desc {
    color: var(--text-muted);
    font-size: 1.05rem;
    line-height: 1.7;
}

/* Container limits */
.section-container {
    width: 90%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 100px 0;
}

/* 4. BUTTONS & UI CONTROLS */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 14px 28px;
    border-radius: var(--border-radius-md);
    font-weight: 600;
    font-size: 0.95rem;
    letter-spacing: 1px;
    transition: var(--transition-smooth);
    text-transform: uppercase;
}

.btn-primary {
    background: linear-gradient(135deg, var(--gold-satin), var(--gold-dark));
    color: var(--text-dark);
    box-shadow: 0 4px 15px var(--gold-glow);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 22px rgba(212, 175, 55, 0.35);
}

.btn-secondary {
    background: rgba(255, 255, 255, 0.05);
    color: var(--text-pure);
    border: 1px solid rgba(255, 255, 255, 0.15);
}

.btn-secondary:hover {
    background: rgba(255, 255, 255, 0.1);
    border-color: var(--gold-primary);
    transform: translateY(-2px);
}

.btn-card-primary {
    background: #3483fa;
    color: #ffffff;
    width: 100%;
    padding: 13px 16px;
    border-radius: var(--border-radius-md);
    font-weight: 700;
    font-size: 0.95rem;
    letter-spacing: 0.2px;
    text-transform: none;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    box-shadow: 0 4px 15px rgba(52, 131, 250, 0.4);
    transition: all 0.25s ease;
    border: none;
}

.btn-card-primary:hover {
    background: #2968c8;
    color: #ffffff;
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(52, 131, 250, 0.55);
}

.btn-card-secondary {
    background: rgba(255, 255, 255, 0.03);
    color: var(--text-muted);
    border: 1px solid rgba(255, 255, 255, 0.06);
    width: 100%;
    padding: 12px;
    border-radius: var(--border-radius-md);
    font-weight: 500;
    font-size: 0.85rem;
    letter-spacing: 1px;
    text-transform: uppercase;
}

.btn-card-secondary:hover {
    background: rgba(255, 255, 255, 0.07);
    color: var(--text-pure);
    border-color: rgba(255, 255, 255, 0.2);
}

.btn-small {
    padding: 8px 18px;
    font-size: 0.8rem;
}

/* 5. STICKY GLASSMORPHIC HEADER */
.main-header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: var(--header-height);
    background: rgba(250, 248, 245, 0.75);
    backdrop-filter: blur(15px);
    -webkit-backdrop-filter: blur(15px);
    border-bottom: 1px solid rgba(168, 124, 83, 0.08);
    z-index: 90;
    transition: var(--transition-fast);
}

.main-header.scrolled {
    height: 75px;
    background: rgba(250, 248, 245, 0.95);
    border-bottom-color: rgba(168, 124, 83, 0.2);
    box-shadow: 0 10px 35px rgba(168, 124, 83, 0.08);
}

.header-container {
    width: 90%;
    max-width: 1200px;
    height: 100%;
    margin: 0 auto;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.logo-link {
    display: flex;
    align-items: center;
    height: 100%;
}

.logo-svg {
    height: 60px;
    width: auto;
    transition: var(--transition-fast);
}

.main-header.scrolled .logo-svg {
    height: 48px;
}

.logo-svg text {
    user-select: none;
}

/* Navigation Menu */
.nav-menu ul {
    display: flex;
    align-items: center;
    gap: 30px;
}

.nav-item {
    font-family: var(--font-sans);
    font-size: 0.9rem;
    font-weight: 500;
    color: var(--text-muted);
    letter-spacing: 0.5px;
    padding: 8px 0;
    position: relative;
}

.nav-item:hover, .nav-item.active {
    color: var(--text-pure);
}

.nav-item::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 1.5px;
    background-color: var(--gold-primary);
    transition: var(--transition-fast);
}

.nav-item:hover::after, .nav-item.active::after {
    width: 100%;
}

.highlight-nav {
    color: var(--gold-primary) !important;
    font-weight: 600;
}

.highlight-nav::after {
    background-color: var(--gold-primary);
}

/* Mobile Toggle Hamburger */
.nav-toggle {
    display: none;
    flex-direction: column;
    justify-content: space-between;
    width: 26px;
    height: 18px;
}

.nav-toggle .bar {
    width: 100%;
    height: 2px;
    background-color: var(--text-pure);
    transition: var(--transition-fast);
}

/* 6. HERO SECTION DESIGN */
.hero-section {
    position: relative;
    min-height: 100vh;
    padding-top: calc(var(--header-height) + 40px);
    display: flex;
    flex-direction: column;
    justify-content: center;
    overflow: hidden;
    background: radial-gradient(circle at 75% 30%, #ffffff 0%, var(--bg-main) 75%);
}

.hero-bg-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: radial-gradient(circle at 10% 80%, rgba(168, 124, 83, 0.04) 0%, transparent 50%);
    pointer-events: none;
}

.hero-container {
    width: 90%;
    max-width: 1200px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: 1.1fr 0.9fr;
    gap: 50px;
    align-items: center;
    z-index: 2;
}

.hero-content {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.hero-badge {
    align-self: flex-start;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    padding: 8px 18px;
    background: rgba(168, 124, 83, 0.08);
    border: 1px solid var(--gold-border);
    color: var(--gold-primary);
    border-radius: 50px;
    font-size: 0.72rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
    line-height: 1.4;
    max-width: 100%;
    box-sizing: border-box;
}

.hero-title {
    font-family: var(--font-serif);
    font-size: 3.8rem;
    font-weight: 500;
    line-height: 1.1;
    letter-spacing: 1px;
}

.hero-subtitle {
    font-size: 1.15rem;
    color: var(--text-muted);
    line-height: 1.7;
}

.hero-ctas {
    display: flex;
    gap: 15px;
    margin-top: 15px;
}

.hero-features-strip {
    display: flex;
    gap: 20px;
    margin-top: 30px;
    border-top: 1px solid rgba(168, 124, 83, 0.12);
    padding-top: 25px;
}

.hero-feat {
    font-size: 0.85rem;
    color: var(--text-ivory);
    display: flex;
    align-items: center;
    gap: 8px;
}

.feat-icon {
    color: var(--gold-primary);
    font-weight: bold;
}

/* Hero Display Cylinder/Bottle Mockup in Pure CSS */
.hero-visual-wrapper {
    display: flex;
    justify-content: center;
    align-items: center;
}

/* ── Hero Before/After Mini Slider ── */
.hero-ba-wrapper {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 14px;
    width: 100%;
    max-width: 440px;
}

.hero-ba-label-top {
    font-size: 0.72rem;
    letter-spacing: 2px;
    text-transform: uppercase;
    color: var(--gold-primary);
    font-family: var(--font-display);
    border: 1px solid var(--gold-border);
    padding: 4px 14px;
    border-radius: 50px;
    background: rgba(212, 175, 55, 0.05);
}

.hero-ba-slider {
    width: 100%;
    aspect-ratio: 4 / 5;
    position: relative;
    overflow: hidden;
    border-radius: 18px;
    user-select: none;
    -webkit-user-select: none;
    box-shadow:
        0 0 0 1px var(--gold-border),
        0 30px 70px rgba(0, 0, 0, 0.35),
        0 0 60px rgba(212, 175, 55, 0.06);
    cursor: col-resize;
}

.hero-ba-layer {
    position: absolute;
    top: 0; left: 0;
    width: 100%;
    height: 100%;
}

.hero-ba-img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center top;
    display: block;
    pointer-events: none;
}

.hero-ba-after {
    clip-path: inset(0 0 0 50%);
    z-index: 2;
}

/* Badges */
.hero-ba-badge {
    position: absolute;
    bottom: 14px;
    padding: 5px 12px;
    border-radius: 50px;
    font-size: 0.72rem;
    font-weight: 700;
    letter-spacing: 1.5px;
    text-transform: uppercase;
    z-index: 5;
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
}

.hero-ba-badge-before {
    left: 14px;
    background: rgba(30, 20, 10, 0.75);
    color: #e0c97f;
    border: 1px solid rgba(212, 175, 55, 0.3);
}

.hero-ba-badge-after {
    right: 14px;
    background: rgba(212, 175, 55, 0.85);
    color: #1a1006;
    border: 1px solid rgba(212, 175, 55, 0.5);
}

/* Draggable Handle */
.hero-ba-handle {
    position: absolute;
    top: 0;
    left: 50%;
    transform: translateX(-50%);
    height: 100%;
    z-index: 10;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    cursor: col-resize;
}

.hero-ba-line {
    position: absolute;
    top: 0; bottom: 0;
    width: 2px;
    background: linear-gradient(to bottom, transparent, var(--gold-primary) 20%, var(--gold-primary) 80%, transparent);
    left: 50%;
    transform: translateX(-50%);
}

.hero-ba-btn {
    width: 42px;
    height: 42px;
    border-radius: 50%;
    background: linear-gradient(135deg, #d4af37 0%, #a87c53 100%);
    border: 2px solid rgba(255, 255, 255, 0.3);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 4px;
    font-size: 0.7rem;
    color: #1a1006;
    font-weight: 900;
    box-shadow: 0 4px 20px rgba(168, 124, 83, 0.5);
    position: relative;
    z-index: 11;
    transition: transform 0.15s ease, box-shadow 0.15s ease;
}

.hero-ba-btn:hover {
    transform: scale(1.1);
    box-shadow: 0 6px 28px rgba(168, 124, 83, 0.7);
}

/* Caption below slider */
.hero-ba-caption {
    font-size: 0.78rem;
    color: var(--text-muted);
    display: flex;
    align-items: center;
    gap: 8px;
}

.hero-ba-dot {
    width: 7px;
    height: 7px;
    border-radius: 50%;
    background: var(--gold-primary);
    display: inline-block;
    animation: pulse 2s ease-in-out infinite;
}



.hero-product-display {
    width: 320px;
    height: 420px;
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
}

.display-glow {
    position: absolute;
    width: 250px;
    height: 250px;
    border-radius: 50%;
    background: radial-gradient(circle, var(--gold-glow) 0%, transparent 70%);
    filter: blur(20px);
    z-index: 1;
}

.floating-crest-watermark {
    position: absolute;
    width: 280px;
    height: 280px;
    z-index: 0;
    opacity: 0.8;
}

.product-container-3d {
    position: relative;
    z-index: 2;
    display: flex;
    flex-direction: column;
    align-items: center;
    animation: float 6s ease-in-out infinite;
}

.luxury-seal {
    font-family: var(--font-display);
    font-size: 0.65rem;
    font-weight: 500;
    letter-spacing: 3px;
    color: var(--gold-primary);
    margin-bottom: 25px;
    border: 1px solid var(--gold-border);
    padding: 3px 10px;
    border-radius: 50px;
    background: rgba(255, 255, 255, 0.95);
    box-shadow: 0 4px 12px rgba(168, 124, 83, 0.05);
}

/* 3D Cylinder rendering */
.product-cylinder {
    width: 100px;
    height: 210px;
    position: relative;
    box-shadow: 0 25px 50px rgba(168, 124, 83, 0.15);
    border-radius: 14px;
    background: linear-gradient(90deg, #1b1b22 0%, #0c0c0e 30%, #050507 60%, #1d1d26 100%);
    border: 1px solid rgba(255, 255, 255, 0.05);
}

.cylinder-cap {
    width: 100px;
    height: 35px;
    background: linear-gradient(90deg, #121216 0%, #020203 30%, #000 60%, #15151c 100%);
    border-radius: 12px 12px 2px 2px;
    border-bottom: 2px solid var(--gold-primary);
}

.cylinder-body {
    height: 173px;
    padding: 25px 10px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.cylinder-label {
    width: 100%;
    border: 0.5px solid var(--gold-border);
    padding: 15px 5px;
    text-align: center;
    background: rgba(12,12,14,0.6);
    backdrop-filter: blur(2px);
    border-radius: 4px;
}

.label-logo {
    font-family: var(--font-serif);
    font-size: 1.5rem;
    font-weight: 600;
    font-style: italic;
    color: var(--text-pure);
    letter-spacing: 1px;
}

.label-sub {
    font-family: var(--font-sans);
    font-size: 0.5rem;
    font-weight: 600;
    color: var(--gold-primary);
    letter-spacing: 2px;
    margin-top: 3px;
}

/* Fiber Dust animation */
.fiber-dust {
    position: absolute;
    width: 6px;
    height: 6px;
    background-color: var(--gold-primary);
    border-radius: 50%;
    opacity: 0.6;
    box-shadow: 0 0 8px var(--gold-primary);
}

.fiber-dust.d1 { top: 30%; left: -20px; animation: floatParticle 8s infinite linear; }
.fiber-dust.d2 { top: 60%; right: -25px; animation: floatParticle 6s infinite linear 2s; }
.fiber-dust.d3 { top: 80%; left: 30%; animation: floatParticle 7s infinite linear 4s; }

/* Scroll mouse indicator */
.hero-bottom-curve {
    width: 100%;
    display: flex;
    justify-content: center;
    padding: 20px 0;
    background: linear-gradient(to bottom, transparent, var(--bg-main));
}

.scroll-indicator {
    display: flex;
    justify-content: center;
}

.mouse-icon {
    width: 24px;
    height: 40px;
    border: 2px solid var(--text-muted);
    border-radius: 20px;
    display: flex;
    justify-content: center;
    padding-top: 6px;
}

.mouse-icon .wheel {
    width: 4px;
    height: 8px;
    background-color: var(--gold-primary);
    border-radius: 20px;
    animation: scrollWheel 1.5s infinite;
}

/* Animations */
@keyframes float {
    0% { transform: translateY(0px); }
    50% { transform: translateY(-15px); }
    100% { transform: translateY(0px); }
}

@keyframes floatParticle {
    0% { transform: translate(0, 0) rotate(0deg); opacity: 0; }
    30% { opacity: 0.7; }
    80% { opacity: 0.5; }
    100% { transform: translate(25px, -80px) rotate(360deg); opacity: 0; }
}

@keyframes scrollWheel {
    0% { transform: translateY(0); opacity: 1; }
    100% { transform: translateY(12px); opacity: 0; }
}

/* 7. BENEFITS SECTION */
.benefits-section {
    background: var(--bg-darker);
    border-top: 1px solid rgba(168, 124, 83, 0.08);
    border-bottom: 1px solid rgba(168, 124, 83, 0.08);
}

.benefits-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
}

.benefit-card {
    background: var(--bg-card);
    border: 1px solid var(--gold-border);
    padding: 40px 30px;
    border-radius: var(--border-radius-lg);
    transition: var(--transition-smooth);
    display: flex;
    flex-direction: column;
    gap: 15px;
    box-shadow: var(--glass-shadow);
}

.benefit-card:hover {
    transform: translateY(-5px);
    border-color: var(--gold-border-hover);
    background-color: var(--bg-card-hover);
    box-shadow: 0 20px 45px rgba(168, 124, 83, 0.08);
}

.benefit-icon {
    width: 50px;
    height: 50px;
    color: var(--gold-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 10px;
}

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

.benefit-card h3 {
    font-family: var(--font-serif);
    font-size: 1.45rem;
    font-weight: 500;
    letter-spacing: 0.5px;
}

.benefit-card p {
    font-size: 0.9rem;
    color: var(--text-muted);
    line-height: 1.6;
}

/* 8. INTERACTIVE BEFORE & AFTER SLIDER */
.before-after-section {
    background-color: var(--bg-main);
}

.slider-wrapper {
    width: 100%;
    max-width: 750px;
    margin: 0 auto;
    box-shadow: 0 25px 60px rgba(168, 124, 83, 0.1);
    border-radius: var(--border-radius-lg);
    border: 1px solid var(--gold-border);
    overflow: hidden;
    position: relative;
}

.before-after-slider {
    width: 100%;
    aspect-ratio: 4 / 3;
    position: relative;
    overflow: hidden;
    user-select: none;
    -webkit-user-select: none;
}

.slider-layer {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
}

.slider-img {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
}

/* before-img shows the LEFT half of the combined photo */
.before-img {
    background-image: url('assets/before-after.jpg');
    background-size: 200% 100%;
    background-position: left center;
    background-repeat: no-repeat;
}

.before-layer {
    z-index: 10;
}

/* after-img shows the RIGHT half of the combined photo */
.after-img {
    background-image: url('assets/before-after.jpg');
    background-size: 200% 100%;
    background-position: right center;
    background-repeat: no-repeat;
}

.after-layer {
    z-index: 20;
    clip-path: inset(0 0 0 50%); /* Dynamic masking, updated by JS */
}

/* Labels */
.label-badge {
    position: absolute;
    bottom: 20px;
    padding: 6px 14px;
    background: rgba(255, 255, 255, 0.9);
    backdrop-filter: blur(4px);
    -webkit-backdrop-filter: blur(4px);
    border-radius: var(--border-radius-sm);
    font-size: 0.8rem;
    font-weight: 600;
    letter-spacing: 1px;
    text-transform: uppercase;
    z-index: 30;
    border: 0.5px solid rgba(168, 124, 83, 0.2);
    box-shadow: 0 4px 10px rgba(168, 124, 83, 0.05);
}

.label-before {
    left: 20px;
    color: var(--text-pure);
}

.label-after {
    right: 20px;
    color: var(--gold-primary);
    border-color: var(--gold-border-hover);
}

/* Slider central handle bar and button */
.slider-handle {
    position: absolute;
    top: 0;
    left: 50%;
    width: 4px;
    height: 100%;
    background-color: var(--gold-primary);
    z-index: 40;
    cursor: ew-resize;
    transform: translateX(-50%);
    box-shadow: 0 0 10px var(--gold-glow);
}

.handle-line {
    width: 100%;
    height: 100%;
}

.handle-button {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 44px;
    height: 44px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--gold-satin), var(--gold-dark));
    color: var(--text-dark);
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.4), 0 0 10px var(--gold-primary);
    font-size: 0.7rem;
    font-weight: bold;
    gap: 4px;
}

.slider-caption-stub {
    text-align: center;
    margin-top: 20px;
    font-size: 0.9rem;
    color: var(--text-muted);
}

.slider-caption-stub span {
    color: var(--gold-satin);
    font-weight: 600;
}

/* 9. HOW TO USE SECTION */
.how-to-use-section {
    background: var(--bg-darker);
    position: relative;
    overflow: hidden;
    border-top: 1px solid rgba(168, 124, 83, 0.08);
    border-bottom: 1px solid rgba(168, 124, 83, 0.08);
}

.how-to-bg-glow {
    position: absolute;
    width: 400px;
    height: 400px;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(168, 124, 83, 0.04) 0%, transparent 60%);
    top: 30%;
    left: -200px;
    pointer-events: none;
}

.steps-container {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 40px;
}

.step-card {
    background: var(--bg-card);
    border: 1px solid rgba(168, 124, 83, 0.12);
    padding: 42px 30px;
    border-radius: var(--border-radius-lg);
    position: relative;
    transition: var(--transition-smooth);
    box-shadow: var(--glass-shadow);
}

.step-card:hover {
    transform: translateY(-5px);
    border-color: var(--gold-border-hover);
    background-color: var(--bg-card-hover);
    box-shadow: 0 20px 45px rgba(168, 124, 83, 0.08);
}

.step-number {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 6px 16px;
    background: rgba(168, 124, 83, 0.1);
    border: 1px solid var(--gold-border);
    color: var(--gold-dark);
    font-family: var(--font-display);
    font-size: 0.78rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 1.5px;
    border-radius: 50px;
    margin-bottom: 24px;
    position: relative;
    z-index: 2;
    box-shadow: 0 2px 6px rgba(168, 124, 83, 0.05);
}

.step-card h3 {
    font-family: var(--font-serif);
    font-size: 1.5rem;
    font-weight: 500;
    margin-bottom: 18px;
    position: relative;
    z-index: 2;
}

.step-card p {
    font-size: 0.9rem;
    color: var(--text-muted);
    line-height: 1.7;
    position: relative;
    z-index: 2;
}

/* 10. COLOR MATCHER SECTION */
.tones-section {
    background-color: var(--bg-main);
}

.matcher-container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 30px;
    max-width: 920px;
    margin: 0 auto;
    align-items: center;
}

.tone-selector-box {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 8px;
}

.tone-match-btn {
    display: flex;
    align-items: center;
    justify-content: flex-start;
    gap: 8px;
    padding: 8px 10px;
    border-radius: var(--border-radius-md);
    border: 1px solid var(--gold-border);
    color: var(--text-muted);
    font-weight: 500;
    font-size: 0.78rem;
    text-align: left;
    transition: var(--transition-fast);
    background: #ffffff;
    box-shadow: 0 2px 6px rgba(168, 124, 83, 0.03);
}

.tone-match-btn::before {
    content: '';
    width: 14px;
    height: 14px;
    border-radius: 50%;
    border: 1px solid rgba(0, 0, 0, 0.15);
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.12);
    background-color: var(--swatch-color, #0d0d0d);
    flex-shrink: 0;
}

.tone-match-btn.active {
    color: var(--text-pure);
    font-weight: 600;
    border-color: var(--gold-primary);
    background-color: rgba(168, 124, 83, 0.06);
    box-shadow: 0 2px 8px rgba(168, 124, 83, 0.12);
}

.tone-match-btn.active::before {
    border-color: var(--gold-primary);
    outline: 1.5px solid var(--gold-primary);
    outline-offset: 1.5px;
}

/* Display card - Compact */
.tone-display-card {
    background: var(--bg-card);
    border: 1px solid var(--gold-border);
    border-radius: var(--border-radius-md);
    padding: 22px 26px;
    position: relative;
    overflow: hidden;
    min-height: 180px;
    display: flex;
    align-items: center;
    box-shadow: var(--glass-shadow);
}

.display-swatch-glow {
    position: absolute;
    top: -80px;
    right: -80px;
    width: 200px;
    height: 200px;
    border-radius: 50%;
    opacity: 0.12;
    filter: blur(35px);
    transition: var(--transition-smooth);
    pointer-events: none;
}

.tone-display-content {
    position: relative;
    z-index: 2;
    display: flex;
    flex-direction: column;
    gap: 15px;
}

.tone-display-content h3 {
    font-family: var(--font-serif);
    font-size: 1.8rem;
    color: var(--text-pure);
}

.tone-display-content p {
    font-size: 0.95rem;
    color: var(--text-muted);
    line-height: 1.6;
}

.tone-compatibility {
    font-size: 0.85rem;
    color: var(--text-ivory);
}

.tone-compatibility strong {
    color: var(--gold-primary);
}

/* 11. CATALOG GRID (ML INTEGRATION) */
.catalog-section {
    background: var(--bg-darker);
    border-top: 1px solid rgba(168, 124, 83, 0.08);
    border-bottom: 1px solid rgba(168, 124, 83, 0.08);
}

.catalog-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 40px;
}

.product-card {
    background: var(--bg-card);
    border: 1px solid var(--gold-border);
    border-radius: var(--border-radius-lg);
    padding: 35px;
    position: relative;
    display: flex;
    flex-direction: column;
    box-shadow: var(--glass-shadow);
    transition: var(--transition-smooth);
    overflow: hidden;
}

.product-card:hover {
    transform: translateY(-5px);
    border-color: var(--gold-border-hover);
    background-color: var(--bg-card-hover);
    box-shadow: 0 25px 50px rgba(168, 124, 83, 0.08);
}

.product-badge {
    position: absolute;
    top: 20px;
    left: 20px;
    padding: 5px 12px;
    background: linear-gradient(135deg, var(--gold-satin), var(--gold-dark));
    color: var(--text-dark);
    border-radius: 4px;
    font-size: 0.7rem;
    font-weight: 700;
    letter-spacing: 1px;
    text-transform: uppercase;
    z-index: 5;
}

.kit-badge {
    background: #25d366; /* WhatsApp style green for combo discount highlights */
    color: white;
}

.product-img-holder {
    height: 180px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 25px;
    position: relative;
}

/* Luxury container mockup inside catalog cards */
.luxury-bottle-mockup {
    width: 70px;
    height: 140px;
    background: linear-gradient(90deg, #1b1b22 0%, #0c0c0e 30%, #050507 60%, #1d1d26 100%);
    border-radius: 8px;
    border: 1px solid rgba(255, 255, 255, 0.05);
    position: relative;
    box-shadow: 0 10px 25px rgba(168, 124, 83, 0.12);
}

.bottle-glow {
    position: absolute;
    width: 100%;
    height: 100%;
    background: radial-gradient(circle, rgba(212, 175, 55, 0.1) 0%, transparent 80%);
    filter: blur(10px);
}

.bottle-cap {
    height: 24px;
    background: #000;
    border-bottom: 1.5px solid var(--gold-primary);
    border-radius: 6px 6px 2px 2px;
}

.bottle-body {
    height: 114px;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 10px;
}

.bottle-label {
    font-family: var(--font-serif);
    font-size: 1rem;
    font-weight: bold;
    font-style: italic;
    color: var(--text-pure);
    letter-spacing: 1px;
    border: 0.5px solid rgba(212, 175, 55, 0.15);
    background: rgba(12,12,14,0.7);
    padding: 4px 8px;
    border-radius: 2px;
}

/* Spray specific mockup styling */
.spray-type .bottle-cap {
    height: 32px;
    background: linear-gradient(to top, #111, #333);
    border-radius: 4px 4px 1px 1px;
}

.spray-type .bottle-cap::before {
    content: '';
    position: absolute;
    top: 5px;
    left: calc(50% - 3px);
    width: 6px;
    height: 12px;
    background-color: var(--gold-primary);
    border-radius: 1px;
}

/* Combo mockup */
.luxury-combo-mockup {
    width: 150px;
    height: 130px;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
}

.combo-glow {
    position: absolute;
    width: 140px;
    height: 140px;
    background: radial-gradient(circle, rgba(212,175,55,0.08) 0%, transparent 70%);
    filter: blur(15px);
}

.combo-box {
    width: 100px;
    height: 100px;
    border: 1px solid var(--gold-primary);
    background: linear-gradient(135deg, #1b1b22 0%, #0c0c0e 100%);
    box-shadow: 0 10px 30px rgba(0,0,0,0.6);
    border-radius: 6px;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    position: relative;
}

.combo-logo {
    font-family: var(--font-serif);
    font-size: 1.4rem;
    font-weight: bold;
    font-style: italic;
    color: var(--text-pure);
}

.combo-tag {
    font-size: 0.45rem;
    font-weight: 700;
    letter-spacing: 2px;
    color: var(--gold-primary);
    margin-top: 5px;
}

/* Details and Actions */
.product-details {
    display: flex;
    flex-direction: column;
    gap: 15px;
    flex-grow: 1;
}

.product-details h3 {
    font-family: var(--font-serif);
    font-size: 1.45rem;
    font-weight: 500;
    line-height: 1.3;
}

.product-short-desc {
    font-size: 0.85rem;
    color: var(--text-muted);
    line-height: 1.5;
}

/* Card color selector */
.card-tone-selector {
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 0.85rem;
    color: var(--text-ivory);
}

.tone-options {
    display: flex;
    gap: 8px;
}

.card-tone-dot {
    width: 18px;
    height: 18px;
    border-radius: 50%;
    cursor: pointer;
    border: 1px solid rgba(255, 255, 255, 0.15);
    transition: var(--transition-fast);
}

.card-tone-dot.active {
    outline: 1.5px solid var(--gold-primary);
    outline-offset: 2px;
    transform: scale(1.1);
}

.product-price-row {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-top: auto;
    padding-top: 15px;
    border-top: 1px solid rgba(168, 124, 83, 0.1);
}

.price {
    font-size: 1.6rem;
    font-weight: 700;
    color: var(--gold-primary);
}

.old-price {
    font-size: 1rem;
    text-decoration: line-through;
    color: var(--text-muted);
    font-weight: 400;
    margin-left: 6px;
}

.ml-badge {
    font-size: 0.65rem;
    font-weight: 600;
    letter-spacing: 0.5px;
    background: rgba(168, 124, 83, 0.06);
    color: var(--gold-primary);
    padding: 3px 8px;
    border-radius: 4px;
    text-transform: uppercase;
}

.ml-text-highlight {
    color: var(--gold-primary);
    font-weight: 700;
    background: rgba(212, 175, 55, 0.08);
    border: 1px solid rgba(212, 175, 55, 0.2);
    padding: 2px 8px;
    border-radius: 4px;
    display: inline-block;
}

.product-actions {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 10px;
    margin-top: 10px;
}

/* 12. FAQ ACCORDION STYLE */
.faq-section {
    background-color: var(--bg-main);
}

.faq-accordion {
    max-width: 800px;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    gap: 15px;
}

.faq-item {
    background: var(--bg-card);
    border: 1px solid var(--gold-border);
    border-radius: var(--border-radius-md);
    overflow: hidden;
    transition: var(--transition-fast);
}

.faq-question {
    width: 100%;
    padding: 24px 30px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    text-align: left;
    font-size: 1.05rem;
    font-weight: 600;
    color: var(--text-pure);
    font-family: var(--font-serif);
    letter-spacing: 0.5px;
}

.faq-icon {
    font-size: 1.2rem;
    color: var(--gold-primary);
    transition: transform 0.3s ease;
}

.faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.4s cubic-bezier(0.16, 1, 0.3, 1);
    background: rgba(168, 124, 83, 0.03);
}

.faq-answer p {
    padding: 0 30px 24px;
    font-size: 0.9rem;
    color: var(--text-muted);
    line-height: 1.6;
}

.faq-item.active {
    border-color: var(--gold-border-hover);
    background-color: var(--bg-card-hover);
}

.faq-item.active .faq-icon {
    transform: rotate(45deg);
}

/* 13. SHOPPING INTEGRATION DRAWER MODAL */
.product-drawer-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.7);
    backdrop-filter: blur(5px);
    z-index: 100;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.4s ease;
}

.product-drawer-overlay.open {
    opacity: 1;
    pointer-events: auto;
}

.product-drawer {
    position: fixed;
    top: 0;
    right: -450px; /* Hidden state */
    width: 450px;
    max-width: 100%;
    height: 100%;
    background-color: var(--bg-drawer);
    border-left: 1px solid rgba(168, 124, 83, 0.15);
    z-index: 110;
    box-shadow: -15px 0 45px rgba(168, 124, 83, 0.06);
    transition: right 0.4s cubic-bezier(0.16, 1, 0.3, 1);
    overflow-y: auto;
    display: flex;
    flex-direction: column;
}

.product-drawer.open {
    right: 0;
}

.drawer-close {
    position: absolute;
    top: 20px;
    right: 25px;
    font-size: 2.2rem;
    color: var(--text-muted);
    transition: var(--transition-fast);
}

.drawer-close:hover {
    color: var(--text-pure);
}

.drawer-content {
    padding: 50px 35px 35px;
    display: flex;
    flex-direction: column;
    min-height: 100%;
}

.drawer-header-stub {
    margin-bottom: 25px;
    border-bottom: 1px solid rgba(168, 124, 83, 0.1);
    padding-bottom: 20px;
}

.drawer-badge {
    font-size: 0.7rem;
    font-weight: 600;
    letter-spacing: 1.5px;
    text-transform: uppercase;
    color: var(--gold-primary);
    margin-bottom: 8px;
    display: block;
}

.drawer-header-stub h2 {
    font-family: var(--font-serif);
    font-size: 2rem;
    font-weight: 500;
    line-height: 1.2;
    margin-bottom: 10px;
}

.drawer-price-row {
    display: flex;
    align-items: center;
    gap: 15px;
}

.drawer-price {
    font-size: 1.8rem;
    font-weight: 700;
    color: var(--gold-primary);
}

.drawer-shipping-badge {
    font-size: 0.7rem;
    font-weight: 600;
    color: #25d366;
    background: rgba(37, 211, 102, 0.08);
    padding: 3px 8px;
    border-radius: 4px;
}

/* Graphics inside Drawer */
.drawer-visual-panel {
    background: var(--bg-darker);
    height: 180px;
    border-radius: var(--border-radius-md);
    border: 1px solid rgba(168, 124, 83, 0.1);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 30px;
    box-shadow: inset 0 0 15px rgba(168, 124, 83, 0.05);
}

/* Drawer cylinder rendering */
.drawer-bottle-display {
    width: 60px;
    height: 120px;
    background: linear-gradient(90deg, #1b1b22 0%, #0c0c0e 30%, #050507 60%, #1d1d26 100%);
    border-radius: 6px;
    border: 1px solid rgba(255, 255, 255, 0.05);
    position: relative;
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.6);
    transition: var(--transition-smooth);
}

.drawer-bottle-cap {
    height: 20px;
    background: #000;
    border-bottom: 1.5px solid var(--gold-primary);
    border-radius: 5px 5px 2px 2px;
}

.drawer-bottle-body {
    height: 98px;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 10px;
}

.drawer-bottle-label {
    font-family: var(--font-serif);
    font-size: 0.85rem;
    font-weight: bold;
    font-style: italic;
    color: var(--text-pure);
    letter-spacing: 1px;
    border: 0.5px solid rgba(212, 175, 55, 0.15);
    background: rgba(12,12,14,0.7);
    padding: 3px 6px;
    border-radius: 2px;
}

/* details body */
.drawer-details-body {
    display: flex;
    flex-direction: column;
    gap: 20px;
    flex-grow: 1;
}

.drawer-details-body h3 {
    font-size: 0.95rem;
    text-transform: uppercase;
    letter-spacing: 1px;
    color: var(--text-pure);
    border-bottom: 1px solid rgba(168, 124, 83, 0.1);
    padding-bottom: 8px;
}

.drawer-details-body p {
    font-size: 0.9rem;
    color: var(--text-muted);
    line-height: 1.6;
}

.drawer-option-section h4 {
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--text-pure);
    margin-bottom: 4px;
}

.option-help-text {
    font-size: 0.75rem;
    color: var(--text-muted);
    margin-bottom: 10px;
}

.drawer-tone-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 10px;
}

.drawer-tone-item {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 10px 14px;
    border-radius: var(--border-radius-md);
    border: 1px solid rgba(168, 124, 83, 0.12);
    background: #ffffff;
    color: var(--text-muted);
    font-weight: 500;
    font-size: 0.85rem;
    transition: var(--transition-fast);
}

.drawer-tone-item .color-preview {
    width: 14px;
    height: 14px;
    border-radius: 50%;
    border: 1px solid rgba(168, 124, 83, 0.15);
}

.drawer-tone-item.active {
    color: var(--text-pure);
    border-color: var(--gold-primary);
    background: rgba(168, 124, 83, 0.05);
}

.drawer-tone-item.active .color-preview {
    outline: 1px solid var(--gold-primary);
    outline-offset: 1.5px;
}

.drawer-specs-strip {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 10px;
    background: rgba(168, 124, 83, 0.03);
    border: 1px solid rgba(168, 124, 83, 0.1);
    padding: 15px;
    border-radius: var(--border-radius-md);
    text-align: center;
}

.spec-item {
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.spec-item strong {
    font-size: 0.75rem;
    color: var(--text-muted);
}

.spec-item span {
    font-size: 0.8rem;
    color: var(--text-pure);
    font-weight: 600;
}

/* Guarantee badge */
.ml-guarantee-box {
    display: flex;
    gap: 15px;
    background: rgba(37, 211, 102, 0.03);
    border: 1px dashed rgba(37, 211, 102, 0.2);
    padding: 15px;
    border-radius: var(--border-radius-md);
    align-items: flex-start;
}

.ml-guarantee-box svg {
    width: 24px;
    height: 24px;
    color: #25d366;
    flex-shrink: 0;
}

.ml-guarantee-box strong {
    font-size: 0.85rem;
    color: var(--text-pure);
}

.ml-guarantee-box p {
    font-size: 0.75rem;
    color: var(--text-muted);
    line-height: 1.4;
    margin-top: 3px;
}

/* Checkout Button footer */
.drawer-footer {
    margin-top: 40px;
    border-top: 1px solid rgba(168, 124, 83, 0.1);
    padding-top: 25px;
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.btn-checkout {
    background: #3483fa;
    color: #ffffff;
    width: 100%;
    padding: 16px;
    border-radius: var(--border-radius-md);
    font-weight: 700;
    font-size: 1.05rem;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    letter-spacing: 0.3px;
    text-transform: none;
    box-shadow: 0 4px 18px rgba(52, 131, 250, 0.45);
    transition: all 0.25s ease;
    border: none;
}

.btn-checkout:hover {
    background: #2968c8;
    color: #ffffff;
    transform: translateY(-2px);
    box-shadow: 0 6px 24px rgba(52, 131, 250, 0.6);
}

.checkout-icon {
    font-size: 1.2rem;
}

.checkout-footer-notice {
    font-size: 0.7rem;
    color: var(--text-muted);
    text-align: center;
}

/* 14. MAIN FOOTER DESIGN */
.main-footer {
    background-color: var(--bg-darker);
    border-top: 1px solid rgba(168, 124, 83, 0.15);
    padding-top: 80px;
}

.footer-container {
    width: 90%;
    max-width: 1200px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: 1.5fr 1fr 1.2fr;
    gap: 60px;
    padding-bottom: 50px;
}

.footer-logo {
    margin-bottom: 25px;
}

.footer-logo .logo-svg {
    height: 105px;
    width: auto;
    max-width: 100%;
}

.footer-payments-icons {
    font-size: 0.8rem;
    color: var(--gold-satin);
    font-weight: 500;
}

.footer-links-group h3, .footer-contact-info h3 {
    font-family: var(--font-serif);
    font-size: 1.3rem;
    color: var(--text-pure);
    margin-bottom: 25px;
    letter-spacing: 0.5px;
}

.footer-links-group ul {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.footer-links-group a {
    font-size: 0.9rem;
    color: var(--text-muted);
}

.footer-links-group a:hover {
    color: var(--gold-satin);
    padding-left: 3px;
}

.footer-contact-info p {
    font-size: 0.9rem;
    color: var(--text-muted);
    line-height: 1.5;
    margin-bottom: 20px;
}

.btn-whatsapp {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    background-color: #25d366;
    color: white;
    padding: 12px 24px;
    border-radius: var(--border-radius-md);
    font-weight: 600;
    font-size: 0.9rem;
    box-shadow: 0 4px 15px rgba(37, 211, 102, 0.25);
    transition: var(--transition-smooth);
}

.btn-whatsapp:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(37, 211, 102, 0.4);
    opacity: 0.95;
}

.footer-hours {
    font-size: 0.75rem !important;
    color: var(--text-muted) !important;
    margin-top: 10px;
}

.footer-copyright {
    border-top: 1px solid rgba(168, 124, 83, 0.1);
    padding: 25px 0;
    background-color: rgba(168, 124, 83, 0.04);
}

.copyright-container {
    width: 90%;
    max-width: 1200px;
    margin: 0 auto;
    text-align: center;
    font-size: 0.75rem;
    color: var(--text-muted);
    line-height: 1.5;
}

/* 10b. CLINICAL SPECS TABLE (GEO/AI OPTIMIZATION - COMPACT) */
.science-table-section {
    padding: 45px 0;
    background-color: var(--bg-main);
    border-top: 1px solid rgba(168, 124, 83, 0.08);
    border-bottom: 1px solid rgba(168, 124, 83, 0.08);
}

.science-table-section .section-header {
    margin-bottom: 20px;
}

.science-table-section .section-title {
    font-size: 1.4rem;
}

.science-table-section .section-desc {
    font-size: 0.85rem;
    max-width: 550px;
    margin: 0 auto;
}

.table-wrapper {
    max-width: 900px;
    margin: 0 auto;
    width: 100%;
    overflow-x: auto; /* enables mobile horizontal scroll accessibility */
    border-radius: var(--border-radius-md);
    border: 1px solid var(--gold-border);
    box-shadow: var(--glass-shadow);
    background: var(--bg-card);
}

.specs-table {
    width: 100%;
    border-collapse: collapse;
    text-align: left;
    font-size: 0.82rem;
    min-width: 550px;
}

.specs-table th {
    font-family: var(--font-display);
    font-size: 0.7rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
    color: var(--gold-primary);
    background-color: var(--bg-darker);
    padding: 10px 16px;
    border-bottom: 2px solid var(--gold-primary);
}

.specs-table td {
    padding: 9px 16px;
    border-bottom: 1px solid rgba(168, 124, 83, 0.08);
    color: var(--text-muted);
}

.specs-table tr:last-child td {
    border-bottom: none;
}

.specs-table tr:nth-child(even) {
    background-color: rgba(168, 124, 83, 0.02);
}

.specs-table td strong {
    color: var(--text-pure);
    font-family: var(--font-sans);
}

.specs-table tr {
    transition: var(--transition-fast);
}

.specs-table tr:hover td {
    color: var(--text-pure);
    background-color: rgba(168, 124, 83, 0.04);
}

/* ==========================================================================
   RESPONSIVE DESIGN BREAKPOINTS (MOBILE FIRST COMPATIBLE)
   ========================================================================== */

@media (max-width: 1024px) {
    .hero-container {
        grid-template-columns: 1.2fr 0.8fr;
        gap: 30px;
    }
    
    .hero-title {
        font-size: 3.2rem;
    }
}

@media (max-width: 991px) {
    .hero-container {
        grid-template-columns: 1fr;
        text-align: center;
        gap: 30px;
    }
    
    .hero-content {
        align-items: center;
    }
    
    .hero-badge {
        align-self: center;
        margin: 0 auto;
        font-size: 0.7rem;
    }
    
    .hero-ctas {
        justify-content: center;
    }
    
    .hero-features-strip {
        justify-content: center;
    }
    
    .matcher-container {
        grid-template-columns: 1fr;
        gap: 30px;
    }
    
    .footer-container {
        grid-template-columns: 1fr 1fr;
        gap: 40px;
    }
    
    .footer-brand-info {
        grid-column: span 2;
    }
}

@media (max-width: 768px) {
    :root {
        --header-height: 72px;
    }
    
    .logo-svg {
        height: 44px;
    }
    
    .hero-section {
        padding-top: calc(var(--header-height) + 20px);
        padding-bottom: 40px;
        min-height: auto;
    }
    
    .hero-container {
        width: 92%;
        gap: 25px;
    }
    
    .section-title {
        font-size: 1.85rem;
        line-height: 1.25;
    }
    
    .hero-title {
        font-size: 2.2rem;
        line-height: 1.2;
    }
    
    .hero-subtitle {
        font-size: 0.98rem;
        line-height: 1.6;
        padding: 0 5px;
    }
    
    .hero-badge {
        font-size: 0.65rem;
        padding: 6px 14px;
        letter-spacing: 0.8px;
    }
    
    .hero-features-strip {
        flex-direction: column;
        align-items: center;
        gap: 10px;
        padding-top: 15px;
        margin-top: 20px;
    }
    
    .hero-feat {
        font-size: 0.85rem;
        justify-content: center;
    }
    
    /* Navigation Mobile slide overlay */
    .nav-toggle {
        display: flex;
        z-index: 100;
    }
    
    .nav-toggle.open .bar:nth-child(1) {
        transform: translateY(8px) rotate(45deg);
    }
    
    .nav-toggle.open .bar:nth-child(2) {
        opacity: 0;
    }
    
    .nav-toggle.open .bar:nth-child(3) {
        transform: translateY(-8px) rotate(-45deg);
    }
    
    .nav-menu {
        position: fixed;
        top: 0;
        right: -100%;
        width: 80%;
        max-width: 320px;
        height: 100vh;
        background: #ffffff;
        box-shadow: -10px 0 35px rgba(0, 0, 0, 0.15);
        border-left: 1px solid rgba(168, 124, 83, 0.15);
        padding: 90px 30px 40px;
        transition: right 0.4s cubic-bezier(0.16, 1, 0.3, 1);
        z-index: 95;
    }
    
    .nav-menu.open {
        right: 0;
    }
    
    .nav-menu ul {
        flex-direction: column;
        align-items: flex-start;
        gap: 22px;
    }
    
    .nav-item {
        font-size: 1.05rem;
    }
    
    .before-after-slider {
        aspect-ratio: 1 / 1;
    }
    
    .hero-ba-slider {
        aspect-ratio: 1 / 1;
    }
    
    .hero-ba-wrapper {
        max-width: 360px;
        width: 100%;
    }
    
    .catalog-grid {
        grid-template-columns: 1fr;
        max-width: 400px;
        margin: 0 auto;
        gap: 20px;
    }
    
    .benefits-grid, .steps-container {
        grid-template-columns: 1fr;
        gap: 16px;
    }
    
    .tone-selector-box {
        display: grid;
        grid-template-columns: repeat(2, 1fr);
        gap: 8px;
    }
    
    .table-wrapper {
        overflow-x: auto;
        -webkit-overflow-scrolling: touch;
        border-radius: 10px;
    }
    
    .specs-table {
        min-width: 500px;
        font-size: 0.78rem;
    }
    
    .specs-table th, .specs-table td {
        padding: 8px 12px;
    }
}

@media (max-width: 480px) {
    .hero-title {
        font-size: 1.85rem;
    }
    
    .hero-badge {
        font-size: 0.62rem;
        padding: 5px 12px;
        letter-spacing: 0.5px;
    }
    
    .hero-ctas {
        flex-direction: column;
        width: 100%;
    }
    
    .hero-ctas .btn {
        width: 100%;
        padding: 14px 10px;
        font-size: 0.9rem;
        text-align: center;
        justify-content: center;
    }
    
    .section-container {
        padding: 45px 0;
        width: 92%;
    }
    
    .product-card {
        padding: 18px 14px;
    }
    
    .footer-container {
        grid-template-columns: 1fr;
        gap: 30px;
        text-align: center;
    }
    
    .footer-brand-info {
        grid-column: span 1;
    }
    
    .footer-logo .logo-svg {
        height: 75px;
        margin: 0 auto;
    }
    
    .footer-links-group ul {
        align-items: center;
    }
    
    .product-drawer {
        width: 100%;
        max-width: 100%;
        border-radius: 0;
    }
    
    .drawer-content {
        padding: 40px 16px 20px;
    }
    
    .hero-ba-wrapper {
        max-width: 100%;
    }
    
    .hero-ba-label-top {
        font-size: 0.62rem;
        letter-spacing: 1.2px;
        padding: 3px 10px;
    }
    
    .hero-ba-badge {
        font-size: 0.6rem;
        padding: 4px 8px;
        bottom: 10px;
    }
    
    .hero-ba-badge-before {
        left: 10px;
    }
    
    .hero-ba-badge-after {
        right: 10px;
    }
    
    .hero-ba-btn {
        width: 36px;
        height: 36px;
        font-size: 0.6rem;
    }
    
    .hero-ba-caption {
        font-size: 0.7rem;
    }
}

/* ==========================================================================
   10. REAL PRODUCT IMAGES STYLING
   ========================================================================== */
.hero-real-product-img {
    height: 280px;
    max-width: 100%;
    object-fit: contain;
    filter: drop-shadow(0 15px 30px rgba(0, 0, 0, 0.35));
    transition: var(--transition-smooth);
}
.hero-real-product-img:hover {
    transform: scale(1.05) rotate(2deg);
}

.product-real-img {
    height: 160px;
    max-width: 100%;
    object-fit: contain;
    filter: drop-shadow(0 10px 15px rgba(0, 0, 0, 0.2));
    transition: var(--transition-smooth);
}
.product-real-img:hover {
    transform: scale(1.05);
}

.drawer-real-img {
    height: 150px;
    max-width: 100%;
    object-fit: contain;
    filter: drop-shadow(0 8px 16px rgba(0, 0, 0, 0.25));
    transition: var(--transition-smooth);
}

.tones-gama-banner {
    width: 100%;
    display: flex;
    justify-content: center;
    margin-bottom: 40px;
    border-radius: var(--border-radius-lg);
    overflow: hidden;
    box-shadow: var(--glass-shadow);
    border: 1px solid var(--gold-border);
    background: #ffffff;
}

.gama-real-img {
    width: 100%;
    height: auto;
    max-height: 450px;
    object-fit: contain;
    border-radius: var(--border-radius-lg);
}