/* ========================================
   Velvet Lift Provence - Main Stylesheet
   Mobile-First Responsive Design
   Premium Medical-Spa Aesthetic
   ======================================== */

/* ==========================================================================
   CSS CUSTOM PROPERTIES
   ========================================================================== */

:root {
    /* Colors - Based on brand image */
    --color-primary: #1a4d7c;
    --color-primary-dark: #143d62;
    --color-accent: #4db8c7;
    --color-accent-dark: #3a9aa8;
    --color-secondary: #2d3748;
    --color-white: #ffffff;
    --color-surface: #f8fafc;
    --color-surface-alt: #f1f5f9;
    --color-border: #e2e8f0;
    --color-border-light: #f1f5f9;
    --color-text: #2d3748;
    --color-text-light: #718096;
    --color-text-muted: #a0aec0;
    --color-success: #48bb78;
    --color-warning: #ed8936;
    --color-error: #e53e3e;
    --color-metallic: #c0c0c0;

    /* Typography */
    --font-body: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    --font-heading: 'Cormorant Garamond', Georgia, serif;
    --font-script: 'Great Vibes', cursive;

    /* 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;
    --space-4xl: 6rem;

    /* Layout */
    --container-max: 1200px;
    --container-narrow: 800px;
    --container-padding: 1rem;

    /* Transitions */
    --transition-fast: 150ms ease;
    --transition-base: 300ms ease;
    --transition-slow: 500ms ease;

    /* Shadows */
    --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.07);
    --shadow-lg: 0 10px 25px rgba(0, 0, 0, 0.1);
    --shadow-xl: 0 20px 40px rgba(0, 0, 0, 0.12);

    /* Border Radius */
    --radius-sm: 4px;
    --radius-md: 8px;
    --radius-lg: 12px;
    --radius-xl: 20px;
    --radius-full: 9999px;
}

/* ==========================================================================
   RESET & BASE
   ========================================================================== */

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

html {
    font-size: 16px;
    scroll-behavior: smooth;
    -webkit-text-size-adjust: 100%;
}

body {
    font-family: var(--font-body);
    font-size: 1rem;
    font-weight: 400;
    line-height: 1.6;
    color: var(--color-text);
    background-color: var(--color-white);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

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

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

a:hover {
    color: var(--color-primary-dark);
}

ul,
ol {
    list-style: none;
}

/* ==========================================================================
   TYPOGRAPHY
   ========================================================================== */

h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-heading);
    font-weight: 400;
    line-height: 1.2;
    color: var(--color-primary);
    margin-bottom: var(--space-md);
}

h1 { font-size: clamp(2rem, 5vw, 3.5rem); }
h2 { font-size: clamp(1.75rem, 4vw, 2.5rem); }
h3 { font-size: clamp(1.25rem, 3vw, 1.75rem); }
h4 { font-size: 1.25rem; }

p {
    margin-bottom: var(--space-md);
}

p:last-child {
    margin-bottom: 0;
}

.text-script {
    font-family: var(--font-script);
}

/* ==========================================================================
   LAYOUT
   ========================================================================== */

.container {
    width: 100%;
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 var(--container-padding);
}

.container-narrow {
    max-width: var(--container-narrow);
}

.site-main {
    min-height: 60vh;
}

/* ==========================================================================
   BUTTONS
   ========================================================================== */

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-sm);
    padding: var(--space-md) var(--space-xl);
    font-family: var(--font-body);
    font-size: 0.9375rem;
    font-weight: 500;
    text-decoration: none;
    border: 2px solid transparent;
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: all var(--transition-base);
    white-space: nowrap;
}

.btn-primary {
    background-color: var(--color-primary);
    color: var(--color-white);
    border-color: var(--color-primary);
}

.btn-primary:hover {
    background-color: var(--color-primary-dark);
    border-color: var(--color-primary-dark);
    color: var(--color-white);
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.btn-accent {
    background-color: var(--color-accent);
    color: var(--color-white);
    border-color: var(--color-accent);
}

.btn-accent:hover {
    background-color: var(--color-accent-dark);
    border-color: var(--color-accent-dark);
    color: var(--color-white);
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.btn-outline {
    background-color: transparent;
    color: var(--color-primary);
    border-color: var(--color-primary);
}

.btn-outline:hover {
    background-color: var(--color-primary);
    color: var(--color-white);
}

.btn-large {
    padding: var(--space-lg) var(--space-2xl);
    font-size: 1rem;
}

/* ==========================================================================
   HEADER
   ========================================================================== */

.site-header {
    position: sticky;
    top: 0;
    z-index: 100;
    background: var(--color-white);
    border-bottom: 1px solid var(--color-border-light);
    padding: var(--space-md) 0;
}

.header-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--space-lg);
}

.site-branding {
    flex-shrink: 0;
}

.site-logo img {
    max-height: 50px;
    width: auto;
}

.site-title-link {
    text-decoration: none;
}

.site-title {
    font-family: var(--font-script);
    font-size: 1.75rem;
    color: var(--color-primary);
}

/* Mobile Menu Toggle */
.mobile-menu-toggle {
    display: flex;
    flex-direction: column;
    justify-content: center;
    gap: 5px;
    width: 30px;
    height: 30px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 0;
}

.hamburger-line {
    display: block;
    width: 100%;
    height: 2px;
    background-color: var(--color-text);
    transition: all var(--transition-fast);
}

/* Navigation */
.main-nav {
    display: none;
}

.nav-menu {
    display: flex;
    align-items: center;
    gap: var(--space-xl);
}

.nav-menu li a {
    color: var(--color-text);
    font-weight: 500;
    font-size: 0.9375rem;
    transition: color var(--transition-fast);
}

.nav-menu li a:hover {
    color: var(--color-primary);
}

/* Header Cart */
.header-actions {
    display: flex;
    align-items: center;
    gap: var(--space-md);
}

.header-cart {
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
    width: 44px;
    height: 44px;
    color: var(--color-text);
    transition: color var(--transition-fast);
}

.header-cart:hover {
    color: var(--color-primary);
}

.cart-icon {
    width: 24px;
    height: 24px;
}

.cart-count {
    position: absolute;
    top: 2px;
    right: 2px;
    min-width: 18px;
    height: 18px;
    padding: 0 5px;
    background: var(--color-accent);
    color: var(--color-white);
    font-size: 0.6875rem;
    font-weight: 600;
    line-height: 18px;
    text-align: center;
    border-radius: var(--radius-full);
}

/* ==========================================================================
   HERO SECTION
   ========================================================================== */

.hero-section {
    padding: var(--space-3xl) 0;
    background: linear-gradient(135deg, var(--color-surface) 0%, var(--color-white) 100%);
}

.hero-content {
    display: grid;
    gap: var(--space-2xl);
    align-items: center;
}

.hero-title {
    font-size: clamp(2rem, 6vw, 3.5rem);
    line-height: 1.1;
    margin-bottom: var(--space-lg);
}

.hero-subtitle {
    font-size: 1.125rem;
    color: var(--color-text-light);
    margin-bottom: var(--space-xl);
    max-width: 500px;
}

.hero-pricing {
    display: flex;
    align-items: baseline;
    gap: var(--space-sm);
    margin-bottom: var(--space-xl);
}

.pricing-from {
    font-size: 0.875rem;
    color: var(--color-text-light);
}

.pricing-amount {
    font-family: var(--font-heading);
    font-size: 2.5rem;
    font-weight: 500;
    color: var(--color-primary);
}

.hero-product-image {
    text-align: center;
}

.product-hero-img {
    max-width: 100%;
    max-height: 500px;
    margin: 0 auto;
    filter: drop-shadow(0 20px 40px rgba(0, 0, 0, 0.1));
}

/* ==========================================================================
   TRUST BADGES SECTION
   ========================================================================== */

.trust-section {
    padding: var(--space-2xl) 0;
    background: var(--color-white);
    border-bottom: 1px solid var(--color-border-light);
}

.trust-badges {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-md);
}

.trust-badge {
    display: flex;
    align-items: center;
    gap: var(--space-md);
    padding: var(--space-lg);
    background: var(--color-surface);
    border-radius: var(--radius-md);
}

.trust-badge-icon {
    flex-shrink: 0;
    width: 48px;
    height: 48px;
    color: var(--color-accent);
}

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

.trust-badge-text h4 {
    font-family: var(--font-body);
    font-size: 0.9375rem;
    font-weight: 600;
    color: var(--color-text);
    margin-bottom: var(--space-xs);
}

.trust-badge-text p {
    font-size: 0.8125rem;
    color: var(--color-text-light);
    margin: 0;
}

/* ==========================================================================
   PRICING SECTION
   ========================================================================== */

.pricing-section {
    padding: var(--space-4xl) 0;
    background: var(--color-surface);
}

.section-header {
    text-align: center;
    margin-bottom: var(--space-2xl);
}

.section-title {
    margin-bottom: var(--space-sm);
}

.section-subtitle {
    font-size: 1.125rem;
    color: var(--color-text-light);
}

.pricing-tiers-home {
    display: grid;
    gap: var(--space-lg);
    max-width: 900px;
    margin: 0 auto var(--space-2xl);
}

.pricing-tier-card {
    position: relative;
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: var(--space-xl);
    background: var(--color-white);
    border: 2px solid var(--color-border);
    border-radius: var(--radius-lg);
    text-align: center;
    transition: all var(--transition-base);
}

.pricing-tier-card:hover {
    border-color: var(--color-primary);
    box-shadow: var(--shadow-lg);
    transform: translateY(-4px);
}

.pricing-tier-card.pricing-tier-best {
    border-color: var(--color-accent);
    background: linear-gradient(to bottom, var(--color-white), #f0fdf9);
}

.tier-badge {
    position: absolute;
    top: -12px;
    left: 50%;
    transform: translateX(-50%);
    padding: var(--space-xs) var(--space-md);
    background: var(--color-accent);
    color: var(--color-white);
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    border-radius: var(--radius-full);
    white-space: nowrap;
}

.tier-quantity {
    font-family: var(--font-heading);
    font-size: 1.5rem;
    color: var(--color-primary);
    margin-bottom: var(--space-sm);
}

.tier-price {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--color-text);
    line-height: 1;
    margin-bottom: var(--space-xs);
}

.tier-per-unit {
    font-size: 0.875rem;
    color: var(--color-text-light);
    margin-bottom: var(--space-sm);
}

.tier-savings {
    font-size: 0.8125rem;
    font-weight: 600;
    color: var(--color-success);
}

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

/* ==========================================================================
   RESULTS SECTION
   ========================================================================== */

.results-section {
    padding: var(--space-4xl) 0;
    background: var(--color-white);
}

.results-content {
    display: grid;
    gap: var(--space-2xl);
    align-items: center;
}

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

.results-img {
    max-width: 100%;
    height: auto;
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-xl);
}

.results-text {
    padding: var(--space-lg) 0;
}

.results-description {
    font-size: 1.125rem;
    color: var(--color-text-light);
    margin-bottom: var(--space-xl);
    line-height: 1.8;
}

.results-list {
    margin-bottom: var(--space-xl);
    padding-left: 0;
}

.results-list li {
    position: relative;
    padding-left: var(--space-xl);
    margin-bottom: var(--space-md);
    font-size: 1rem;
    color: var(--color-text);
}

.results-list li::before {
    content: "✓";
    position: absolute;
    left: 0;
    color: var(--color-accent);
    font-weight: 700;
}

/* ==========================================================================
   FEATURES SECTION
   ========================================================================== */

.features-section {
    padding: var(--space-4xl) 0;
    background: var(--color-surface);
}

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

.feature-card {
    text-align: center;
    padding: var(--space-xl);
}

.feature-icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 80px;
    height: 80px;
    margin-bottom: var(--space-lg);
    background: var(--color-surface);
    border-radius: var(--radius-full);
    color: var(--color-accent);
}

.feature-title {
    font-family: var(--font-body);
    font-size: 1.125rem;
    font-weight: 600;
    color: var(--color-text);
    margin-bottom: var(--space-sm);
}

.feature-description {
    font-size: 0.9375rem;
    color: var(--color-text-light);
    max-width: 280px;
    margin: 0 auto;
}

/* ==========================================================================
   CTA SECTION
   ========================================================================== */

.cta-section {
    padding: var(--space-4xl) 0;
    background: var(--color-primary);
    text-align: center;
}

.cta-title {
    color: var(--color-white);
    margin-bottom: var(--space-md);
}

.cta-subtitle {
    color: rgba(255, 255, 255, 0.8);
    font-size: 1.125rem;
    margin-bottom: var(--space-xl);
}

.cta-section .btn-primary {
    background: var(--color-white);
    color: var(--color-primary);
    border-color: var(--color-white);
}

.cta-section .btn-primary:hover {
    background: var(--color-surface);
    border-color: var(--color-surface);
}

/* ==========================================================================
   FOOTER
   ========================================================================== */

.site-footer {
    background: var(--color-secondary);
    color: var(--color-white);
    padding: var(--space-3xl) 0 var(--space-xl);
}

.footer-content {
    display: grid;
    gap: var(--space-xl);
    margin-bottom: var(--space-2xl);
}

.footer-logo {
    font-family: var(--font-script);
    font-size: 2rem;
    color: var(--color-white);
    display: block;
    margin-bottom: var(--space-sm);
}

.footer-tagline {
    color: rgba(255, 255, 255, 0.7);
    font-size: 0.875rem;
}

.footer-content h4 {
    font-family: var(--font-body);
    font-size: 0.875rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
    color: var(--color-white);
    margin-bottom: var(--space-md);
}

.footer-menu li,
.legal-links li {
    margin-bottom: var(--space-sm);
}

.footer-menu a,
.legal-links a {
    color: rgba(255, 255, 255, 0.7);
    font-size: 0.9375rem;
    transition: color var(--transition-fast);
}

.footer-menu a:hover,
.legal-links a:hover {
    color: var(--color-white);
}

.footer-contact p {
    color: rgba(255, 255, 255, 0.7);
    font-size: 0.9375rem;
    margin-bottom: var(--space-sm);
}

.footer-email {
    color: var(--color-accent);
    font-weight: 500;
}

.footer-email:hover {
    color: var(--color-white);
}

.footer-disclaimer {
    padding: var(--space-lg) 0;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-disclaimer p {
    font-size: 0.75rem;
    color: rgba(255, 255, 255, 0.5);
    line-height: 1.7;
}

.footer-bottom {
    display: flex;
    flex-direction: column;
    gap: var(--space-md);
    padding-top: var(--space-lg);
}

.copyright {
    font-size: 0.875rem;
    color: rgba(255, 255, 255, 0.6);
}

.payment-icons {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
}

.payment-label {
    font-size: 0.75rem;
    color: rgba(255, 255, 255, 0.5);
    margin-right: var(--space-sm);
}

.payment-icon {
    color: rgba(255, 255, 255, 0.6);
}

/* ==========================================================================
   PAGE STYLES
   ========================================================================== */

.page-wrapper {
    padding: var(--space-3xl) 0;
}

.page-header {
    margin-bottom: var(--space-2xl);
}

.page-title {
    font-size: clamp(2rem, 5vw, 3rem);
}

.page-content {
    max-width: var(--container-narrow);
}

.entry-content {
    font-size: 1.0625rem;
    line-height: 1.8;
}

.entry-content h2 {
    margin-top: var(--space-2xl);
}

.entry-content ul,
.entry-content ol {
    margin: var(--space-md) 0;
    padding-left: var(--space-xl);
}

.entry-content ul {
    list-style: disc;
}

.entry-content ol {
    list-style: decimal;
}

.entry-content li {
    margin-bottom: var(--space-sm);
}

/* ==========================================================================
   404 PAGE
   ========================================================================== */

.error-404-wrapper {
    padding: var(--space-4xl) 0;
    text-align: center;
}

.error-title {
    font-size: clamp(6rem, 20vw, 12rem);
    font-weight: 300;
    color: var(--color-border);
    line-height: 1;
    margin-bottom: var(--space-md);
}

.error-subtitle {
    font-size: clamp(1.5rem, 4vw, 2rem);
    margin-bottom: var(--space-md);
}

.error-message {
    color: var(--color-text-light);
    margin-bottom: var(--space-xl);
}

.error-actions {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: var(--space-md);
}

/* ==========================================================================
   RESPONSIVE BREAKPOINTS
   ========================================================================== */

/* Tablet (768px+) */
@media (min-width: 48rem) {
    :root {
        --container-padding: 2rem;
    }

    /* Header */
    .mobile-menu-toggle {
        display: none;
    }

    .main-nav {
        display: block;
    }

    .site-logo img {
        max-height: 60px;
    }

    /* Hero */
    .hero-content {
        grid-template-columns: 1fr 1fr;
        gap: var(--space-3xl);
    }

    .hero-text {
        order: 1;
    }

    .hero-product-image {
        order: 2;
    }

    /* Trust Badges */
    .trust-badges {
        grid-template-columns: repeat(4, 1fr);
    }

    /* Pricing */
    .pricing-tiers-home {
        grid-template-columns: repeat(3, 1fr);
    }

    /* Results */
    .results-content {
        grid-template-columns: 1fr 1fr;
        gap: var(--space-3xl);
    }

    .results-image {
        order: 1;
    }

    .results-text {
        order: 2;
    }

    .results-img {
        max-width: 450px;
    }

    /* Features */
    .features-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    /* Footer */
    .footer-content {
        grid-template-columns: 2fr 1fr 1fr 1fr;
    }

    .footer-bottom {
        flex-direction: row;
        justify-content: space-between;
        align-items: center;
    }
}

/* Desktop (1024px+) */
@media (min-width: 64rem) {
    /* Features */
    .features-grid {
        grid-template-columns: repeat(4, 1fr);
    }

    .feature-card {
        padding: var(--space-2xl);
    }
}

/* Large Desktop (1280px+) */
@media (min-width: 80rem) {
    .hero-section {
        padding: var(--space-4xl) 0;
    }

    .product-hero-img {
        max-height: 600px;
    }
}