/* ============================================================
   WALLCOV — Дизайн-система
   Кольори: Пісочний #F5F1E8 | Теракота #C67D5F | Оливковий #8B9D77
   Шрифты: Playfair Display (заголовки) + Inter (текст)
   ============================================================ */

:root {
    --color-bg: #F5F1E8;
    --color-bg-alt: #FAF8F3;
    --color-card: #FFFFFF;
    --color-text: #3D3D3D;
    --color-text-light: #6B6560;
    --color-text-muted: #9B9590;
    --color-accent: #C67D5F;
    --color-accent-hover: #B06A4D;
    --color-accent-light: #F5E6DF;
    --color-eco: #8B9D77;
    --color-eco-hover: #728A5E;
    --color-border: #E8E2D8;
    --color-shadow: rgba(61, 61, 61, 0.06);
    --color-shadow-hover: rgba(61, 61, 61, 0.12);
    
    --font-heading: 'Playfair Display', Georgia, serif;
    --font-body: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    
    --radius-sm: 8px;
    --radius-md: 16px;
    --radius-lg: 24px;
    --radius-xl: 32px;
    
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-slow: all 0.5s cubic-bezier(0.4, 0, 0.2, 1);
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-body);
    background: var(--color-bg);
    color: var(--color-text);
    line-height: 1.6;
    font-size: 16px;
    -webkit-font-smoothing: antialiased;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
}

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

a { text-decoration: none; color: inherit; }

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

/* Typography */
h1, h2, h3, h4 {
    font-family: var(--font-heading);
    font-weight: 600;
    line-height: 1.2;
}

.section-title {
    font-size: clamp(2rem, 5vw, 3rem);
    color: var(--color-text);
    margin-bottom: 16px;
}

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

.section-title .accent {
    color: var(--color-accent);
    font-style: italic;
}

.section-subtitle {
    font-size: 1.1rem;
    color: var(--color-text-light);
    max-width: 600px;
    margin: 0 auto 48px;
    text-align: center;
    line-height: 1.6;
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 14px 28px;
    border-radius: var(--radius-md);
    font-weight: 600;
    font-size: 1rem;
    transition: var(--transition);
    text-align: center;
}

.btn-primary {
    background: var(--color-accent);
    color: #fff;
    box-shadow: 0 4px 14px rgba(198, 125, 95, 0.35);
}

.btn-primary:hover {
    background: var(--color-accent-hover);
    transform: translateY(-2px);
    box-shadow: 0 8px 24px rgba(198, 125, 95, 0.45);
}

.btn-secondary {
    background: var(--color-card);
    color: var(--color-text);
    border: 1.5px solid var(--color-border);
}

.btn-secondary:hover {
    border-color: var(--color-accent);
    color: var(--color-accent);
    transform: translateY(-2px);
}

.btn-lg {
    padding: 16px 36px;
    font-size: 1.1rem;
    border-radius: var(--radius-lg);
}

/* Header */
.header {
    background: rgba(250, 248, 243, 0.92);
    backdrop-filter: blur(12px);
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    border-bottom: 1px solid transparent;
    transition: var(--transition);
}

.header.scrolled {
    border-bottom-color: var(--color-border);
    box-shadow: 0 2px 20px var(--color-shadow);
}

.header-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 16px 24px;
    gap: 24px;
}

.logo {
    display: flex;
    align-items: center;
    gap: 10px;
    font-family: var(--font-heading);
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--color-text);
}

.logo-icon {
    color: var(--color-accent);
    font-size: 1.3rem;
}

.nav {
    display: flex;
    align-items: center;
    gap: 32px;
}

.nav-link {
    font-size: 0.95rem;
    font-weight: 500;
    color: var(--color-text-light);
    transition: var(--transition);
    position: relative;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--color-accent);
    transition: var(--transition);
}

.nav-link:hover {
    color: var(--color-text);
}

.nav-link:hover::after {
    width: 100%;
}

.cart-btn {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 10px 18px;
    background: var(--color-card);
    border: 1.5px solid var(--color-border);
    border-radius: var(--radius-md);
    font-weight: 600;
    font-size: 0.95rem;
    color: var(--color-text);
    transition: var(--transition);
    position: relative;
}

.cart-btn:hover {
    border-color: var(--color-accent);
    color: var(--color-accent);
}

.cart-count {
    background: var(--color-accent);
    color: #fff;
    font-size: 0.75rem;
    font-weight: 700;
    padding: 2px 8px;
    border-radius: 20px;
    min-width: 24px;
    text-align: center;
}

/* Mobile menu toggle */
.menu-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    padding: 8px;
}

.menu-toggle span {
    display: block;
    width: 24px;
    height: 2px;
    background: var(--color-text);
    transition: var(--transition);
}

/* Hero */
.hero {
    padding: 140px 0 80px;
    min-height: 100vh;
    display: flex;
    align-items: center;
}

.hero-inner {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
}

.hero-badge {
    display: inline-block;
    background: var(--color-accent-light);
    color: var(--color-accent);
    font-size: 0.85rem;
    font-weight: 600;
    padding: 8px 16px;
    border-radius: 100px;
    margin-bottom: 24px;
}

.hero-title {
    font-size: clamp(2.5rem, 6vw, 4.2rem);
    line-height: 1.1;
    margin-bottom: 24px;
    color: var(--color-text);
}

.hero-title em {
    font-style: italic;
    color: var(--color-text-muted);
    text-decoration: line-through;
    text-decoration-color: var(--color-accent);
    text-decoration-thickness: 3px;
}

.hero-title .accent {
    color: var(--color-accent);
    font-style: italic;
}

.hero-subtitle {
    font-size: 1.15rem;
    color: var(--color-text-light);
    max-width: 480px;
    margin-bottom: 36px;
    line-height: 1.7;
}

.hero-cta {
    display: flex;
    gap: 16px;
    flex-wrap: wrap;
    margin-bottom: 48px;
}

.hero-trust {
    display: flex;
    gap: 40px;
    flex-wrap: wrap;
}

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

.trust-num {
    font-family: var(--font-heading);
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--color-accent);
}

.trust-label {
    font-size: 0.85rem;
    color: var(--color-text-muted);
    line-height: 1.4;
}

/* Hero Visual */
.hero-visual {
    position: relative;
    height: 500px;
}

.hero-image-main {
    position: absolute;
    top: 0;
    right: 0;
    width: 85%;
    height: 85%;
    border-radius: var(--radius-xl);
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 20px 60px rgba(198, 125, 95, 0.25);
}

.hero-image-text {
    font-family: var(--font-heading);
    font-size: 2.5rem;
    color: rgba(255,255,255,0.95);
    text-align: center;
    line-height: 1.3;
    text-shadow: 0 4px 20px rgba(0,0,0,0.2);
}

.hero-image-small {
    position: absolute;
    bottom: 0;
    left: 0;
    width: 50%;
    height: 45%;
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 12px 40px rgba(0,0,0,0.1);
    border: 4px solid var(--color-bg);
}

.hero-image-text-small {
    font-family: var(--font-heading);
    font-size: 1.3rem;
    color: var(--color-text);
    text-align: center;
    line-height: 1.3;
}

.hero-float-badge {
    position: absolute;
    background: var(--color-card);
    padding: 10px 18px;
    border-radius: 100px;
    font-size: 0.85rem;
    font-weight: 600;
    box-shadow: 0 4px 20px var(--color-shadow-hover);
    animation: float 3s ease-in-out infinite;
}

.badge-1 {
    top: 10%;
    left: -5%;
    color: var(--color-accent);
}

.badge-2 {
    bottom: 15%;
    right: 5%;
    color: var(--color-eco);
    animation-delay: 1.5s;
}

@keyframes float {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-10px); }
}


/* Problem Section */
.problem-section {
    padding: 80px 0;
    background: var(--color-bg-alt);
}

.problem-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 32px;
    margin-top: 48px;
}

.problem-card {
    background: var(--color-card);
    padding: 40px 32px;
    border-radius: var(--radius-lg);
    text-align: center;
    transition: var(--transition);
    border: 1px solid var(--color-border);
}

.problem-card:hover {
    transform: translateY(-6px);
    box-shadow: 0 20px 40px var(--color-shadow-hover);
}

.problem-icon {
    font-size: 3rem;
    margin-bottom: 20px;
}

.problem-card h3 {
    font-size: 1.3rem;
    margin-bottom: 12px;
    color: var(--color-text);
}

.problem-card p {
    color: var(--color-text-light);
    font-size: 0.95rem;
    line-height: 1.6;
}

.problem-arrow {
    text-align: center;
    margin-top: 48px;
}

.arrow-text {
    display: inline-block;
    font-family: var(--font-heading);
    font-size: 1.3rem;
    font-style: italic;
    color: var(--color-accent);
    animation: bounce 2s infinite;
}

@keyframes bounce {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(8px); }
}

/* Quiz Section */
.quiz-section {
    padding: 80px 0;
}

.quiz-box {
    background: var(--color-card);
    border-radius: var(--radius-xl);
    padding: 56px;
    max-width: 800px;
    margin: 0 auto;
    box-shadow: 0 8px 40px var(--color-shadow);
    border: 1px solid var(--color-border);
}

.quiz-title {
    font-size: 2rem;
    text-align: center;
    margin-bottom: 12px;
}

.quiz-subtitle {
    text-align: center;
    color: var(--color-text-light);
    margin-bottom: 40px;
    font-size: 1rem;
}

.quiz-step {
    display: none;
    animation: fadeIn 0.5s ease;
}

.quiz-step.active {
    display: block;
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(10px); }
    to { opacity: 1; transform: translateY(0); }
}

.quiz-question {
    font-family: var(--font-heading);
    font-size: 1.4rem;
    text-align: center;
    margin-bottom: 32px;
    color: var(--color-text);
}

.quiz-options {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 16px;
}

.quiz-option {
    padding: 20px 24px;
    background: var(--color-bg-alt);
    border: 2px solid transparent;
    border-radius: var(--radius-md);
    font-size: 1rem;
    font-weight: 500;
    color: var(--color-text);
    cursor: pointer;
    transition: var(--transition);
    text-align: center;
}

.quiz-option:hover {
    border-color: var(--color-accent);
    background: var(--color-accent-light);
    transform: translateY(-2px);
}

.quiz-progress {
    height: 4px;
    background: var(--color-border);
    border-radius: 4px;
    margin-top: 40px;
    overflow: hidden;
}

.quiz-progress-bar {
    height: 100%;
    background: var(--color-accent);
    border-radius: 4px;
    transition: width 0.5s ease;
    width: 33%;
}

/* Quiz Result */
.quiz-result {
    text-align: center;
}

.quiz-result-icon {
    font-size: 4rem;
    margin-bottom: 20px;
}

.quiz-result-title {
    font-family: var(--font-heading);
    font-size: 1.3rem;
    color: var(--color-text-light);
    margin-bottom: 8px;
}

.quiz-result-name {
    font-family: var(--font-heading);
    font-size: 1.8rem;
    font-weight: 700;
    color: var(--color-accent);
    margin-bottom: 16px;
}

.quiz-result-desc {
    color: var(--color-text-light);
    margin-bottom: 32px;
    line-height: 1.6;
    max-width: 500px;
    margin-left: auto;
    margin-right: auto;
}

/* Products Section */
.products-section {
    padding: 80px 0;
    background: var(--color-bg-alt);
}

.section-header {
    text-align: center;
    margin-bottom: 40px;
}

.filters {
    display: flex;
    justify-content: center;
    gap: 12px;
    flex-wrap: wrap;
    margin-bottom: 48px;
}

.filter-btn {
    padding: 10px 24px;
    background: var(--color-card);
    border: 1.5px solid var(--color-border);
    border-radius: 100px;
    font-size: 0.9rem;
    font-weight: 500;
    color: var(--color-text-light);
    transition: var(--transition);
}

.filter-btn:hover, .filter-btn.active {
    background: var(--color-accent);
    border-color: var(--color-accent);
    color: #fff;
}

.products-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(340px, 1fr));
    gap: 32px;
}

/* Product Card — ВОРОНКА */
.product-card {
    background: var(--color-card);
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: 0 4px 20px var(--color-shadow);
    transition: var(--transition);
    display: flex;
    flex-direction: column;
    border: 1px solid var(--color-border);
}

.product-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 20px 50px var(--color-shadow-hover);
}

.product-visual {
    height: 220px;
    position: relative;
    overflow: hidden;
}

.product-badges {
    position: absolute;
    top: 16px;
    left: 16px;
    display: flex;
    flex-direction: column;
    gap: 8px;
    z-index: 2;
}

.badge {
    padding: 6px 14px;
    border-radius: 100px;
    font-size: 0.8rem;
    font-weight: 700;
}

.badge-hot {
    background: #FEE2E2;
    color: #DC2626;
}

.badge-beginner {
    background: #DCFCE7;
    color: #16A34A;
}

.badge-eco {
    background: #E0F2FE;
    color: #0284C7;
}

.product-info {
    padding: 28px;
    flex-grow: 1;
    display: flex;
    flex-direction: column;
}

.product-title {
    font-family: var(--font-heading);
    font-size: 1.4rem;
    margin-bottom: 8px;
    color: var(--color-text);
}

.product-desc {
    font-size: 0.95rem;
    color: var(--color-text-light);
    line-height: 1.5;
    margin-bottom: 20px;
}

.product-features {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-bottom: 20px;
}

.feature-tag {
    padding: 4px 12px;
    background: var(--color-bg);
    border-radius: 100px;
    font-size: 0.8rem;
    color: var(--color-text-muted);
}

/* Product Options (Mini / Room / Full) */
.product-options {
    display: flex;
    flex-direction: column;
    gap: 10px;
    margin-bottom: 20px;
}

.product-option {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 14px 16px;
    background: var(--color-bg-alt);
    border: 2px solid transparent;
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: var(--transition);
}

.product-option:hover {
    border-color: var(--color-accent-light);
}

.product-option.selected {
    border-color: var(--color-accent);
    background: var(--color-accent-light);
}

.option-info {
    display: flex;
    flex-direction: column;
    gap: 2px;
}

.option-name {
    font-weight: 600;
    font-size: 0.95rem;
}

.option-desc {
    font-size: 0.8rem;
    color: var(--color-text-muted);
}

.option-price {
    font-family: var(--font-heading);
    font-weight: 700;
    font-size: 1.1rem;
    color: var(--color-accent);
}

.option-price .old-price {
    font-size: 0.85rem;
    color: var(--color-text-muted);
    text-decoration: line-through;
    margin-right: 6px;
}

.option-recommended {
    font-size: 0.75rem;
    color: var(--color-accent);
    font-weight: 600;
}

.product-actions {
    display: flex;
    gap: 10px;
    margin-top: auto;
}

.btn-add-cart {
    flex: 1;
    padding: 14px;
    background: var(--color-accent);
    color: #fff;
    border-radius: var(--radius-md);
    font-weight: 600;
    font-size: 1rem;
    transition: var(--transition);
    text-align: center;
}

.btn-add-cart:hover {
    background: var(--color-accent-hover);
    transform: translateY(-2px);
}

.btn-wishlist {
    width: 48px;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--color-bg-alt);
    border-radius: var(--radius-md);
    font-size: 1.3rem;
    transition: var(--transition);
}

.btn-wishlist:hover {
    background: #FEE2E2;
}

/* How it works */
.how-section {
    padding: 80px 0;
}

.steps-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 40px;
    margin: 48px 0;
}

.step-card {
    text-align: center;
    padding: 40px 24px;
    position: relative;
}

.step-card:not(:last-child)::after {
    content: '→';
    position: absolute;
    right: -30px;
    top: 50%;
    transform: translateY(-50%);
    font-size: 2rem;
    color: var(--color-accent);
    opacity: 0.5;
}

.step-num {
    font-family: var(--font-heading);
    font-size: 4rem;
    font-weight: 700;
    color: var(--color-accent-light);
    line-height: 1;
    margin-bottom: 16px;
}

.step-icon {
    font-size: 3rem;
    margin-bottom: 20px;
}

.step-card h3 {
    font-size: 1.3rem;
    margin-bottom: 12px;
}

.step-card p {
    color: var(--color-text-light);
    font-size: 0.95rem;
    line-height: 1.6;
}

.how-cta {
    text-align: center;
    margin-top: 40px;
}

/* Gallery */
.gallery-section {
    padding: 80px 0;
    background: var(--color-bg-alt);
}

.gallery-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 32px;
}

.gallery-item {
    background: var(--color-card);
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: 0 4px 20px var(--color-shadow);
}

.ba-slider {
    position: relative;
    height: 280px;
    overflow: hidden;
    cursor: col-resize;
}

.ba-before, .ba-after {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
}

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

.ba-label {
    position: absolute;
    top: 16px;
    padding: 6px 14px;
    background: rgba(255,255,255,0.9);
    border-radius: 100px;
    font-size: 0.8rem;
    font-weight: 600;
}

.ba-before .ba-label { left: 16px; }
.ba-after .ba-label { right: 16px; }

.ba-handle {
    position: absolute;
    top: 0;
    left: 50%;
    width: 4px;
    height: 100%;
    background: #fff;
    transform: translateX(-50%);
    box-shadow: 0 0 10px rgba(0,0,0,0.3);
}

.ba-handle::before {
    content: '◀ ▶';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    background: #fff;
    padding: 10px 8px;
    border-radius: 100px;
    font-size: 0.7rem;
    letter-spacing: 2px;
    box-shadow: 0 4px 12px rgba(0,0,0,0.2);
}

.gallery-info {
    padding: 20px 24px;
}

.gallery-info h4 {
    font-size: 1.1rem;
    margin-bottom: 6px;
}

.gallery-info p {
    font-size: 0.9rem;
    color: var(--color-text-muted);
}

/* Reviews */
.reviews-section {
    padding: 80px 0;
}

.reviews-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 32px;
}

.review-card {
    background: var(--color-card);
    padding: 36px;
    border-radius: var(--radius-lg);
    box-shadow: 0 4px 20px var(--color-shadow);
    border: 1px solid var(--color-border);
    transition: var(--transition);
}

.review-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 12px 40px var(--color-shadow-hover);
}

.review-stars {
    color: #F59E0B;
    font-size: 1.2rem;
    margin-bottom: 16px;
    letter-spacing: 2px;
}

.review-text {
    font-size: 1rem;
    line-height: 1.7;
    color: var(--color-text);
    margin-bottom: 24px;
    font-style: italic;
}

.review-author {
    display: flex;
    align-items: center;
    gap: 14px;
}

.review-avatar {
    width: 48px;
    height: 48px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #fff;
    font-weight: 700;
    font-size: 1.1rem;
}

.review-name {
    font-weight: 600;
    font-size: 0.95rem;
}

.review-product {
    font-size: 0.85rem;
    color: var(--color-text-muted);
}

/* Guarantee */
.guarantee-section {
    padding: 80px 0;
    background: var(--color-bg-alt);
}

.guarantee-box {
    background: var(--color-card);
    border-radius: var(--radius-xl);
    padding: 56px;
    text-align: center;
    box-shadow: 0 8px 40px var(--color-shadow);
    border: 1px solid var(--color-border);
}

.guarantee-title {
    font-size: 2rem;
    margin-bottom: 40px;
}

.guarantee-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 32px;
}

.guarantee-item {
    padding: 24px;
}

.guarantee-icon {
    font-size: 2.5rem;
    margin-bottom: 16px;
}

.guarantee-item h4 {
    font-size: 1.1rem;
    margin-bottom: 8px;
}

.guarantee-item p {
    font-size: 0.9rem;
    color: var(--color-text-light);
}

/* FAQ */
.faq-section {
    padding: 80px 0;
}

.faq-list {
    max-width: 800px;
    margin: 0 auto;
}

.faq-item {
    border-bottom: 1px solid var(--color-border);
}

.faq-question {
    width: 100%;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 24px 0;
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--color-text);
    text-align: left;
    transition: var(--transition);
}

.faq-question:hover {
    color: var(--color-accent);
}

.faq-toggle {
    font-size: 1.5rem;
    font-weight: 300;
    color: var(--color-accent);
    transition: var(--transition);
    min-width: 30px;
    text-align: center;
}

.faq-item.open .faq-toggle {
    transform: rotate(45deg);
}

.faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.4s ease, padding 0.4s ease;
}

.faq-item.open .faq-answer {
    max-height: 300px;
    padding-bottom: 24px;
}

.faq-answer p {
    color: var(--color-text-light);
    line-height: 1.7;
    font-size: 0.95rem;
}

/* CTA Section */
.cta-section {
    padding: 60px 0 80px;
}

.cta-box {
    background: linear-gradient(135deg, var(--color-accent) 0%, var(--color-accent-hover) 100%);
    border-radius: var(--radius-xl);
    padding: 64px;
    text-align: center;
    color: #fff;
    position: relative;
    overflow: hidden;
}

.cta-box::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -20%;
    width: 500px;
    height: 500px;
    background: rgba(255,255,255,0.08);
    border-radius: 50%;
}

.cta-box h2 {
    font-size: 2.5rem;
    margin-bottom: 16px;
    position: relative;
}

.cta-box p {
    font-size: 1.1rem;
    opacity: 0.95;
    margin-bottom: 32px;
    max-width: 500px;
    margin-left: auto;
    margin-right: auto;
    position: relative;
}

.cta-box .btn-primary {
    background: #fff;
    color: var(--color-accent);
    box-shadow: 0 4px 20px rgba(0,0,0,0.2);
    position: relative;
}

.cta-box .btn-primary:hover {
    background: var(--color-bg);
    transform: translateY(-2px);
}

.cta-small {
    margin-top: 24px;
    font-size: 0.85rem;
    opacity: 0.9;
    position: relative;
}

/* Footer */
.footer {
    background: var(--color-text);
    color: rgba(255,255,255,0.7);
    padding: 60px 0 0;
}

.footer-inner {
    display: grid;
    grid-template-columns: 1.5fr 2fr;
    gap: 60px;
    padding-bottom: 48px;
    border-bottom: 1px solid rgba(255,255,255,0.1);
}

.footer-brand .logo {
    color: #fff;
    margin-bottom: 16px;
}

.footer-brand p {
    font-size: 0.95rem;
    line-height: 1.6;
    max-width: 320px;
}

.footer-links {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 40px;
}

.footer-col h4 {
    color: #fff;
    font-size: 1rem;
    margin-bottom: 20px;
    font-family: var(--font-body);
    font-weight: 600;
}

.footer-col a {
    display: block;
    padding: 6px 0;
    font-size: 0.9rem;
    transition: var(--transition);
}

.footer-col a:hover {
    color: #fff;
}

.footer-bottom {
    padding: 24px;
    text-align: center;
    font-size: 0.85rem;
    color: rgba(255,255,255,0.5);
}


/* Cart Sidebar */
.cart-sidebar {
    position: fixed;
    top: 0;
    right: -460px;
    width: 100%;
    max-width: 440px;
    height: 100%;
    background: var(--color-card);
    box-shadow: -8px 0 40px rgba(0,0,0,0.15);
    z-index: 2000;
    transition: right 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    display: flex;
    flex-direction: column;
}

.cart-sidebar.open {
    right: 0;
}

.cart-header {
    padding: 24px;
    border-bottom: 1px solid var(--color-border);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.cart-header h3 {
    font-size: 1.3rem;
    font-family: var(--font-body);
    font-weight: 700;
}

.close-cart {
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    font-size: 1.8rem;
    color: var(--color-text-muted);
    transition: var(--transition);
}

.close-cart:hover {
    background: var(--color-bg-alt);
    color: var(--color-text);
}

.cart-items {
    flex-grow: 1;
    overflow-y: auto;
    padding: 20px;
}

.empty-cart {
    text-align: center;
    color: var(--color-text-muted);
    padding: 60px 20px;
    font-size: 1rem;
}

.empty-cart::before {
    content: '🛍️';
    display: block;
    font-size: 4rem;
    margin-bottom: 20px;
    opacity: 0.5;
}

.cart-item {
    display: flex;
    gap: 16px;
    padding: 16px;
    background: var(--color-bg-alt);
    border-radius: var(--radius-md);
    margin-bottom: 12px;
}

.cart-item-visual {
    width: 80px;
    height: 80px;
    border-radius: var(--radius-sm);
    flex-shrink: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2rem;
}

.cart-item-info {
    flex-grow: 1;
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.cart-item-title {
    font-weight: 600;
    font-size: 0.95rem;
    margin-bottom: 4px;
}

.cart-item-variant {
    font-size: 0.8rem;
    color: var(--color-text-muted);
    margin-bottom: 8px;
}

.cart-item-price {
    font-family: var(--font-heading);
    font-weight: 700;
    color: var(--color-accent);
    font-size: 1.1rem;
}

.cart-item-controls {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-top: 8px;
}

.qty-btn {
    width: 32px;
    height: 32px;
    border: 1.5px solid var(--color-border);
    background: #fff;
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.2rem;
    color: var(--color-text);
    transition: var(--transition);
}

.qty-btn:hover {
    border-color: var(--color-accent);
    color: var(--color-accent);
}

.remove-item {
    margin-left: auto;
    font-size: 0.85rem;
    color: var(--color-text-muted);
    transition: var(--transition);
}

.remove-item:hover {
    color: #DC2626;
}

.cart-footer {
    padding: 24px;
    border-top: 1px solid var(--color-border);
    background: var(--color-bg-alt);
}

.cart-total {
    font-size: 1.3rem;
    font-weight: 700;
    margin-bottom: 16px;
    text-align: right;
    font-family: var(--font-heading);
}

.cart-total span {
    color: var(--color-accent);
}

.checkout-btn {
    width: 100%;
    padding: 16px;
    background: var(--color-accent);
    color: #fff;
    border-radius: var(--radius-md);
    font-weight: 700;
    font-size: 1.1rem;
    transition: var(--transition);
}

.checkout-btn:hover {
    background: var(--color-accent-hover);
    transform: translateY(-2px);
}

.checkout-btn:disabled {
    background: var(--color-border);
    cursor: not-allowed;
    transform: none;
}

.cart-overlay {
    position: fixed;
    inset: 0;
    background: rgba(61, 61, 61, 0.4);
    z-index: 1500;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.3s;
    backdrop-filter: blur(4px);
}

.cart-overlay.show {
    opacity: 1;
    pointer-events: auto;
}

/* Modal */
.modal {
    position: fixed;
    inset: 0;
    z-index: 3000;
    display: none;
    align-items: center;
    justify-content: center;
    padding: 20px;
    backdrop-filter: blur(8px);
}

.modal.show {
    display: flex;
}

.modal::before {
    content: '';
    position: absolute;
    inset: 0;
    background: rgba(61, 61, 61, 0.5);
}

.modal-content {
    position: relative;
    background: var(--color-card);
    border-radius: var(--radius-xl);
    max-width: 520px;
    width: 100%;
    max-height: 90vh;
    overflow-y: auto;
    padding: 40px;
    z-index: 1;
    box-shadow: 0 24px 80px rgba(0,0,0,0.2);
}

.modal-close {
    position: absolute;
    top: 20px;
    right: 24px;
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    font-size: 1.8rem;
    color: var(--color-text-muted);
    transition: var(--transition);
}

.modal-close:hover {
    background: var(--color-bg-alt);
    color: var(--color-text);
}

.modal-content h2 {
    font-size: 1.8rem;
    margin-bottom: 28px;
}

/* Form */
.checkout-form {
    margin-top: 10px;
}

.form-group {
    margin-bottom: 20px;
}

.form-group label {
    display: block;
    margin-bottom: 8px;
    font-weight: 600;
    font-size: 0.9rem;
    color: var(--color-text);
}

.form-group input,
.form-group textarea,
.form-select {
    width: 100%;
    padding: 14px 18px;
    border: 1.5px solid var(--color-border);
    border-radius: var(--radius-md);
    font-size: 1rem;
    font-family: inherit;
    background: var(--color-bg-alt);
    transition: var(--transition);
    color: var(--color-text);
}

.form-group input:focus,
.form-group textarea:focus,
.form-select:focus {
    outline: none;
    border-color: var(--color-accent);
    box-shadow: 0 0 0 4px var(--color-accent-light);
    background: var(--color-card);
}

.form-select {
    cursor: pointer;
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='24' height='24' viewBox='0 0 24 24' fill='none' stroke='%233D3D3D' stroke-width='2'%3E%3Cpath d='M6 9l6 6 6-6'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 14px center;
    padding-right: 48px;
}

.order-summary {
    background: var(--color-bg-alt);
    border-radius: var(--radius-md);
    padding: 20px;
    margin-bottom: 24px;
}

.order-summary h3 {
    font-size: 1rem;
    margin-bottom: 14px;
    font-family: var(--font-body);
    font-weight: 700;
}

.order-item {
    display: flex;
    justify-content: space-between;
    font-size: 0.9rem;
    padding: 6px 0;
    color: var(--color-text-light);
    border-bottom: 1px dashed var(--color-border);
}

.order-item:last-child {
    border-bottom: none;
}

.order-total {
    font-size: 1.2rem;
    font-weight: 700;
    text-align: right;
    margin-top: 14px;
    padding-top: 14px;
    border-top: 2px solid var(--color-border);
    font-family: var(--font-heading);
}

.order-total span {
    color: var(--color-accent);
}

.submit-btn {
    width: 100%;
    padding: 16px;
    background: var(--color-accent);
    color: #fff;
    border-radius: var(--radius-md);
    font-weight: 700;
    font-size: 1.1rem;
    transition: var(--transition);
    margin-bottom: 16px;
}

.submit-btn:hover {
    background: var(--color-accent-hover);
    transform: translateY(-2px);
}

.form-note {
    text-align: center;
    font-size: 0.85rem;
    color: var(--color-text-muted);
}

/* Toast */
.toast {
    position: fixed;
    bottom: 40px;
    left: 50%;
    transform: translateX(-50%) translateY(100px);
    background: var(--color-text);
    color: #fff;
    padding: 16px 32px;
    border-radius: var(--radius-lg);
    font-size: 1rem;
    font-weight: 500;
    z-index: 5000;
    opacity: 0;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    pointer-events: none;
    box-shadow: 0 8px 30px rgba(0,0,0,0.2);
}

.toast.show {
    opacity: 1;
    transform: translateX(-50%) translateY(0);
}

/* Section spacing */
section {
    position: relative;
}

/* Responsive */
@media (max-width: 1024px) {
    .hero-inner {
        grid-template-columns: 1fr;
        gap: 48px;
        text-align: center;
    }
    
    .hero-content {
        order: 2;
    }
    
    .hero-visual {
        order: 1;
        height: 400px;
    }
    
    .hero-subtitle {
        margin-left: auto;
        margin-right: auto;
    }
    
    .hero-cta {
        justify-content: center;
    }
    
    .hero-trust {
        justify-content: center;
    }
    
    .problem-grid,
    .steps-grid,
    .gallery-grid,
    .reviews-grid,
    .guarantee-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .step-card:not(:last-child)::after {
        display: none;
    }
    
    .footer-inner {
        grid-template-columns: 1fr;
        gap: 40px;
    }
}

@media (max-width: 768px) {
    .nav {
        display: none;
    }
    
    .menu-toggle {
        display: flex;
    }
    
    .hero {
        padding: 120px 0 60px;
    }
    
    .hero-title {
        font-size: 2.2rem;
    }
    
    .hero-visual {
        height: 320px;
    }
    
    .hero-image-text {
        font-size: 1.8rem;
    }
    
    .quiz-box {
        padding: 32px 24px;
    }
    
    .quiz-options {
        grid-template-columns: 1fr;
    }
    
    .problem-grid,
    .steps-grid,
    .gallery-grid,
    .reviews-grid,
    .guarantee-grid {
        grid-template-columns: 1fr;
    }
    
    .products-grid {
        grid-template-columns: 1fr;
    }
    
    .footer-links {
        grid-template-columns: 1fr;
        gap: 32px;
    }
    
    .cta-box {
        padding: 40px 24px;
    }
    
    .cta-box h2 {
        font-size: 1.8rem;
    }
    
    .cart-sidebar {
        max-width: 100%;
        right: -100%;
    }
    
    .modal-content {
        padding: 28px 20px;
    }
}

@media (max-width: 480px) {
    .hero-cta {
        flex-direction: column;
    }
    
    .btn-lg {
        width: 100%;
    }
    
    .trust-item {
        text-align: center;
    }
    
    .hero-float-badge {
        display: none;
    }
}

/* Scroll reveal animation */
.reveal {
    opacity: 0;
    transform: translateY(30px);
    transition: all 0.8s cubic-bezier(0.4, 0, 0.2, 1);
}

.reveal.visible {
    opacity: 1;
    transform: translateY(0);
}

/* Custom scrollbar */
::-webkit-scrollbar {
    width: 8px;
}

::-webkit-scrollbar-track {
    background: var(--color-bg);
}

::-webkit-scrollbar-thumb {
    background: var(--color-border);
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--color-text-muted);
}