/* ==========================================================================
   PhenQ Landing Page - Style CSS
   Design: Premium, épuré, orienté bien-être
   Mobile-first, optimisé Core Web Vitals
   ========================================================================== */

/* --------------------------------------------------------------------------
   CSS Custom Properties (Variables)
   -------------------------------------------------------------------------- */
:root {
    /* Colors */
    --color-primary: #2D8C3C;
    --color-primary-dark: #236B2E;
    --color-primary-light: #E8F5E9;
    --color-secondary: #FF6B35;
    --color-secondary-dark: #E55A2B;

    --color-text: #1A1A2E;
    --color-text-light: #4A4A68;
    --color-text-muted: #6B6B8D;

    --color-bg: #FFFFFF;
    --color-bg-alt: #F8F9FC;
    --color-bg-dark: #1A1A2E;

    --color-border: #E5E7EB;
    --color-border-light: #F0F1F5;

    --color-success: #22C55E;
    --color-error: #EF4444;

    /* Typography */
    --font-primary: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    --font-display: 'Playfair Display', Georgia, serif;

    --fs-xs: 0.75rem;     /* 12px */
    --fs-sm: 0.875rem;    /* 14px */
    --fs-base: 1rem;      /* 16px */
    --fs-md: 1.125rem;    /* 18px */
    --fs-lg: 1.25rem;     /* 20px */
    --fs-xl: 1.5rem;      /* 24px */
    --fs-2xl: 2rem;       /* 32px */
    --fs-3xl: 2.5rem;     /* 40px */
    --fs-4xl: 3rem;       /* 48px */
    --fs-5xl: 3.5rem;     /* 56px */

    --fw-light: 300;
    --fw-regular: 400;
    --fw-medium: 500;
    --fw-semibold: 600;
    --fw-bold: 700;

    --lh-tight: 1.2;
    --lh-normal: 1.5;
    --lh-relaxed: 1.7;

    /* Spacing */
    --space-xs: 0.25rem;  /* 4px */
    --space-sm: 0.5rem;   /* 8px */
    --space-md: 1rem;     /* 16px */
    --space-lg: 1.5rem;   /* 24px */
    --space-xl: 2rem;     /* 32px */
    --space-2xl: 3rem;    /* 48px */
    --space-3xl: 4rem;    /* 64px */
    --space-4xl: 6rem;    /* 96px */
    --space-5xl: 8rem;    /* 128px */

    /* Border Radius */
    --radius-sm: 0.375rem;
    --radius-md: 0.5rem;
    --radius-lg: 0.75rem;
    --radius-xl: 1rem;
    --radius-2xl: 1.5rem;
    --radius-full: 9999px;

    /* Shadows */
    --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
    --shadow-2xl: 0 25px 50px -12px rgba(0, 0, 0, 0.25);

    /* Transitions */
    --transition-fast: 150ms ease;
    --transition-base: 250ms ease;
    --transition-slow: 350ms ease;

    /* Z-index */
    --z-dropdown: 100;
    --z-sticky: 200;
    --z-fixed: 300;
    --z-modal-backdrop: 400;
    --z-modal: 500;

    /* Container */
    --container-max: 1200px;
    --container-padding: 1.25rem;
}

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

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

body {
    font-family: var(--font-primary);
    font-size: var(--fs-base);
    font-weight: var(--fw-regular);
    line-height: var(--lh-normal);
    color: var(--color-text);
    background-color: var(--color-bg);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    overflow-x: hidden;
}

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

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

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

ul, ol {
    list-style: none;
}

/* Screen reader only */
.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}

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

/* --------------------------------------------------------------------------
   Typography
   -------------------------------------------------------------------------- */
h1, h2, h3, h4, h5, h6 {
    font-weight: var(--fw-bold);
    line-height: var(--lh-tight);
    color: var(--color-text);
}

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

/* Section Header */
.section-header {
    margin-bottom: var(--space-2xl);
}

.section-header--center {
    text-align: center;
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
}

.section-badge {
    display: inline-block;
    padding: var(--space-xs) var(--space-md);
    font-size: var(--fs-xs);
    font-weight: var(--fw-semibold);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--color-primary);
    background-color: var(--color-primary-light);
    border-radius: var(--radius-full);
    margin-bottom: var(--space-md);
}

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

.section-badge--green {
    color: var(--color-primary);
    background-color: var(--color-primary-light);
}

.section-title {
    font-size: var(--fs-2xl);
    margin-bottom: var(--space-md);
}

.section-subtitle {
    font-size: var(--fs-md);
    color: var(--color-text-light);
    line-height: var(--lh-relaxed);
}

/* --------------------------------------------------------------------------
   Buttons
   -------------------------------------------------------------------------- */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-sm);
    padding: var(--space-md) var(--space-xl);
    font-size: var(--fs-base);
    font-weight: var(--fw-semibold);
    line-height: 1;
    border-radius: var(--radius-lg);
    transition: all var(--transition-base);
    text-align: center;
    white-space: nowrap;
}

.btn--primary {
    color: #FFFFFF;
    background: linear-gradient(135deg, var(--color-primary), var(--color-primary-dark));
    box-shadow: 0 4px 14px rgba(45, 140, 60, 0.35);
}

.btn--primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(45, 140, 60, 0.45);
}

.btn--primary:active {
    transform: translateY(0);
}

.btn--secondary {
    color: #FFFFFF;
    background: linear-gradient(135deg, var(--color-secondary), var(--color-secondary-dark));
    box-shadow: 0 4px 14px rgba(255, 107, 53, 0.35);
}

.btn--secondary:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(255, 107, 53, 0.45);
}

.btn--large {
    padding: var(--space-lg) var(--space-2xl);
    font-size: var(--fs-md);
    border-radius: var(--radius-xl);
}

.btn--full {
    width: 100%;
}

.btn--header {
    padding: var(--space-sm) var(--space-lg);
    font-size: var(--fs-sm);
    display: none;
}

.btn--pulse {
    animation: pulse 2s infinite;
}

@keyframes pulse {
    0%, 100% {
        box-shadow: 0 4px 14px rgba(45, 140, 60, 0.35);
    }
    50% {
        box-shadow: 0 4px 30px rgba(45, 140, 60, 0.6);
    }
}

/* --------------------------------------------------------------------------
   Header
   -------------------------------------------------------------------------- */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: var(--z-fixed);
    background-color: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid transparent;
    transition: all var(--transition-base);
}

.header.scrolled {
    border-bottom-color: var(--color-border);
    box-shadow: var(--shadow-sm);
}

.header__container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 70px;
}

/* Logo */
.logo {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    font-size: var(--fs-lg);
    font-weight: var(--fw-bold);
}

.logo__icon {
    font-size: var(--fs-xl);
}

.logo__accent {
    color: var(--color-primary);
}

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

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

.nav__link {
    font-size: var(--fs-sm);
    font-weight: var(--fw-medium);
    color: var(--color-text-light);
    transition: color var(--transition-fast);
}

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

/* Mobile Nav Toggle */
.nav__toggle {
    display: flex;
    flex-direction: column;
    justify-content: center;
    gap: 5px;
    width: 30px;
    height: 30px;
}

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

.nav__toggle.active span:nth-child(1) {
    transform: rotate(45deg) translate(5px, 5px);
}

.nav__toggle.active span:nth-child(2) {
    opacity: 0;
}

.nav__toggle.active span:nth-child(3) {
    transform: rotate(-45deg) translate(5px, -5px);
}

/* --------------------------------------------------------------------------
   Hero Section
   -------------------------------------------------------------------------- */
.hero {
    position: relative;
    padding: calc(70px + var(--space-3xl)) 0 var(--space-3xl);
    background: linear-gradient(180deg, var(--color-bg-alt) 0%, var(--color-bg) 100%);
    overflow: hidden;
}

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

.hero__content {
    text-align: center;
}

.hero__badge {
    display: inline-block;
    padding: var(--space-xs) var(--space-md);
    font-size: var(--fs-xs);
    font-weight: var(--fw-semibold);
    color: var(--color-primary);
    background-color: var(--color-primary-light);
    border-radius: var(--radius-full);
    margin-bottom: var(--space-lg);
}

.hero__title {
    font-family: var(--font-display);
    font-size: var(--fs-2xl);
    font-weight: var(--fw-bold);
    line-height: var(--lh-tight);
    margin-bottom: var(--space-lg);
}

.hero__subtitle {
    font-size: var(--fs-md);
    color: var(--color-text-light);
    line-height: var(--lh-relaxed);
    margin-bottom: var(--space-xl);
    max-width: 500px;
    margin-left: auto;
    margin-right: auto;
}

.hero__cta {
    margin-bottom: var(--space-xl);
}

.hero__trust {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-sm);
    margin-top: var(--space-md);
    font-size: var(--fs-sm);
    color: var(--color-text-muted);
}

.hero__stats {
    display: flex;
    justify-content: center;
    gap: var(--space-xl);
    padding-top: var(--space-xl);
    border-top: 1px solid var(--color-border);
}

.hero__stat {
    text-align: center;
}

.hero__stat-number {
    display: block;
    font-size: var(--fs-xl);
    font-weight: var(--fw-bold);
    color: var(--color-primary);
}

.hero__stat-label {
    font-size: var(--fs-xs);
    color: var(--color-text-muted);
}

/* Hero Visual */
.hero__visual {
    display: flex;
    justify-content: center;
}

.hero__image-wrapper {
    position: relative;
    max-width: 400px;
}

.hero__image {
    border-radius: var(--radius-2xl);
    box-shadow: var(--shadow-2xl);
}

.hero__floating-card {
    position: absolute;
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    padding: var(--space-sm) var(--space-md);
    background-color: #FFFFFF;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
    font-size: var(--fs-sm);
    font-weight: var(--fw-medium);
    animation: float 3s ease-in-out infinite;
}

.hero__floating-card--1 {
    top: 20%;
    left: -10%;
    animation-delay: 0s;
}

.hero__floating-card--2 {
    bottom: 30%;
    right: -10%;
    animation-delay: 1.5s;
}

.floating-icon {
    font-size: var(--fs-lg);
}

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

.hero__bg-shape {
    position: absolute;
    top: -50%;
    right: -20%;
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, var(--color-primary-light) 0%, transparent 70%);
    opacity: 0.5;
    pointer-events: none;
}

/* --------------------------------------------------------------------------
   Problem → Solution Section
   -------------------------------------------------------------------------- */
.problem-solution {
    padding: var(--space-3xl) 0;
    background-color: var(--color-bg);
}

.problem-solution__grid {
    display: grid;
    gap: var(--space-2xl);
}

.problem,
.solution {
    padding: var(--space-xl);
    border-radius: var(--radius-xl);
}

.problem {
    background-color: #FEF2F2;
}

.problem__title,
.solution__title {
    font-size: var(--fs-xl);
    margin-bottom: var(--space-lg);
}

.problem__list,
.solution__list {
    display: flex;
    flex-direction: column;
    gap: var(--space-md);
}

.problem__list li,
.solution__list li {
    display: flex;
    align-items: flex-start;
    gap: var(--space-md);
    font-size: var(--fs-base);
    line-height: var(--lh-relaxed);
}

.problem__icon {
    flex-shrink: 0;
    color: #DC2626;
}

.solution {
    background-color: var(--color-primary-light);
}

.solution__text {
    color: var(--color-text-light);
    line-height: var(--lh-relaxed);
    margin-bottom: var(--space-lg);
}

.solution__icon {
    flex-shrink: 0;
    color: var(--color-primary);
}

.solution .btn {
    margin-top: var(--space-lg);
}

/* --------------------------------------------------------------------------
   Benefits Section
   -------------------------------------------------------------------------- */
.benefits {
    padding: var(--space-3xl) 0;
    background-color: var(--color-bg-alt);
}

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

.benefit-card {
    background-color: #FFFFFF;
    padding: var(--space-xl);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-sm);
    transition: all var(--transition-base);
    border: 1px solid var(--color-border-light);
}

.benefit-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
}

.benefit-card__icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 60px;
    height: 60px;
    background-color: var(--color-primary-light);
    border-radius: var(--radius-lg);
    margin-bottom: var(--space-lg);
    color: var(--color-primary);
}

.benefit-card__title {
    font-size: var(--fs-lg);
    margin-bottom: var(--space-sm);
}

.benefit-card__text {
    font-size: var(--fs-sm);
    color: var(--color-text-light);
    line-height: var(--lh-relaxed);
}

/* --------------------------------------------------------------------------
   How It Works Section
   -------------------------------------------------------------------------- */
.how-it-works {
    padding: var(--space-3xl) 0;
    background-color: var(--color-bg);
}

.how-it-works__grid {
    display: grid;
    gap: var(--space-2xl);
}

.how-it-works__intro {
    font-size: var(--fs-md);
    color: var(--color-text-light);
    line-height: var(--lh-relaxed);
    margin-bottom: var(--space-xl);
}

.how-it-works__steps {
    display: flex;
    flex-direction: column;
    gap: var(--space-lg);
}

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

.step__number {
    flex-shrink: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    background: linear-gradient(135deg, var(--color-primary), var(--color-primary-dark));
    color: #FFFFFF;
    font-weight: var(--fw-bold);
    border-radius: var(--radius-full);
}

.step__content {
    padding-top: var(--space-xs);
}

.step__title {
    font-size: var(--fs-base);
    font-weight: var(--fw-semibold);
    margin-bottom: var(--space-xs);
}

.step__text {
    font-size: var(--fs-sm);
    color: var(--color-text-light);
    line-height: var(--lh-relaxed);
}

/* Product Showcase */
.how-it-works__visual {
    display: flex;
    justify-content: center;
}

.product-showcase {
    position: relative;
    max-width: 350px;
}

.product-showcase__image {
    border-radius: var(--radius-2xl);
    box-shadow: var(--shadow-xl);
}

.product-showcase__badge {
    position: absolute;
    bottom: var(--space-lg);
    left: var(--space-lg);
    right: var(--space-lg);
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    padding: var(--space-md);
    border-radius: var(--radius-lg);
    text-align: center;
}

.product-showcase__badge span {
    display: block;
    font-size: var(--fs-xs);
    color: var(--color-text-muted);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.product-showcase__badge strong {
    font-size: var(--fs-lg);
    color: var(--color-primary);
}

/* --------------------------------------------------------------------------
   Ingredients Section
   -------------------------------------------------------------------------- */
.ingredients {
    padding: var(--space-3xl) 0;
    background-color: var(--color-bg-alt);
}

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

.ingredient {
    background-color: #FFFFFF;
    padding: var(--space-lg);
    border-radius: var(--radius-lg);
    text-align: center;
    border: 1px solid var(--color-border-light);
    transition: all var(--transition-base);
}

.ingredient:hover {
    border-color: var(--color-primary-light);
    box-shadow: var(--shadow-md);
}

.ingredient__icon {
    font-size: var(--fs-2xl);
    margin-bottom: var(--space-sm);
}

.ingredient__name {
    font-size: var(--fs-sm);
    font-weight: var(--fw-semibold);
    margin-bottom: var(--space-xs);
}

.ingredient__desc {
    font-size: var(--fs-xs);
    color: var(--color-text-muted);
    line-height: var(--lh-normal);
}

/* --------------------------------------------------------------------------
   Testimonials Section
   -------------------------------------------------------------------------- */
.testimonials {
    padding: var(--space-3xl) 0;
    background-color: var(--color-bg);
}

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

.testimonial-card {
    background-color: #FFFFFF;
    padding: var(--space-xl);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--color-border-light);
}

.testimonial-card__stars {
    margin-bottom: var(--space-md);
    font-size: var(--fs-sm);
}

.testimonial-card__quote {
    font-size: var(--fs-base);
    font-style: italic;
    color: var(--color-text-light);
    line-height: var(--lh-relaxed);
    margin-bottom: var(--space-lg);
}

.testimonial-card__author {
    display: flex;
    align-items: center;
    gap: var(--space-md);
}

.testimonial-card__avatar {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 48px;
    height: 48px;
    background: linear-gradient(135deg, var(--color-primary-light), #D1FAE5);
    color: var(--color-primary);
    font-weight: var(--fw-bold);
    border-radius: var(--radius-full);
}

.testimonial-card__info strong {
    display: block;
    font-size: var(--fs-sm);
    font-weight: var(--fw-semibold);
}

.testimonial-card__info span {
    font-size: var(--fs-xs);
    color: var(--color-text-muted);
}

.testimonials__disclaimer {
    margin-top: var(--space-xl);
    padding: var(--space-md);
    background-color: var(--color-bg-alt);
    border-radius: var(--radius-md);
    font-size: var(--fs-xs);
    color: var(--color-text-muted);
    text-align: center;
    line-height: var(--lh-relaxed);
}

/* --------------------------------------------------------------------------
   Comparison Section
   -------------------------------------------------------------------------- */
.comparison {
    padding: var(--space-3xl) 0;
    background-color: var(--color-bg-alt);
}

.comparison__table-wrapper {
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
}

.comparison__table {
    width: 100%;
    min-width: 500px;
    border-collapse: collapse;
    background-color: #FFFFFF;
    border-radius: var(--radius-xl);
    overflow: hidden;
    box-shadow: var(--shadow-md);
}

.comparison__table th,
.comparison__table td {
    padding: var(--space-md) var(--space-lg);
    text-align: center;
    border-bottom: 1px solid var(--color-border-light);
}

.comparison__table th {
    font-size: var(--fs-sm);
    font-weight: var(--fw-semibold);
    background-color: var(--color-bg-alt);
    color: var(--color-text);
}

.comparison__table th:first-child,
.comparison__table td:first-child {
    text-align: left;
}

.comparison__table td {
    font-size: var(--fs-sm);
    color: var(--color-text-light);
}

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

.comparison__highlight {
    background-color: var(--color-primary-light) !important;
    color: var(--color-primary) !important;
    font-weight: var(--fw-semibold) !important;
}

.check-icon {
    color: var(--color-primary);
}

.cross-icon {
    color: #DC2626;
}

.comparison__partial {
    color: var(--color-text-muted);
    font-style: italic;
}

/* --------------------------------------------------------------------------
   Reassurance Section
   -------------------------------------------------------------------------- */
.reassurance {
    padding: var(--space-3xl) 0;
    background-color: var(--color-bg);
}

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

.reassurance-card {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    padding: var(--space-xl);
    background-color: var(--color-bg-alt);
    border-radius: var(--radius-xl);
}

.reassurance-card__icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 70px;
    height: 70px;
    background-color: var(--color-primary-light);
    border-radius: var(--radius-full);
    margin-bottom: var(--space-lg);
    color: var(--color-primary);
}

.reassurance-card__title {
    font-size: var(--fs-lg);
    margin-bottom: var(--space-sm);
}

.reassurance-card__text {
    font-size: var(--fs-sm);
    color: var(--color-text-light);
    line-height: var(--lh-relaxed);
}

/* --------------------------------------------------------------------------
   Final CTA Section
   -------------------------------------------------------------------------- */
.final-cta {
    position: relative;
    padding: var(--space-4xl) 0;
    background: linear-gradient(135deg, var(--color-bg-dark) 0%, #2D2D44 100%);
    overflow: hidden;
}

.final-cta__content {
    position: relative;
    z-index: 1;
    text-align: center;
    max-width: 600px;
    margin: 0 auto;
}

.final-cta__title {
    font-family: var(--font-display);
    font-size: var(--fs-2xl);
    color: #FFFFFF;
    margin-bottom: var(--space-lg);
}

.final-cta__text {
    font-size: var(--fs-md);
    color: rgba(255, 255, 255, 0.8);
    line-height: var(--lh-relaxed);
    margin-bottom: var(--space-xl);
}

.final-cta__badges {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: var(--space-md);
    margin-top: var(--space-xl);
}

.trust-badge {
    display: inline-flex;
    align-items: center;
    gap: var(--space-xs);
    padding: var(--space-sm) var(--space-md);
    background-color: rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-full);
    font-size: var(--fs-xs);
    color: rgba(255, 255, 255, 0.9);
}

.final-cta__bg {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%23ffffff' fill-opacity='0.03'%3E%3Cpath d='M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
    pointer-events: none;
}

/* --------------------------------------------------------------------------
   Footer
   -------------------------------------------------------------------------- */
.footer {
    padding: var(--space-3xl) 0 var(--space-xl);
    background-color: var(--color-bg-alt);
    border-top: 1px solid var(--color-border);
}

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

.footer__brand {
    max-width: 300px;
}

.footer__brand .logo {
    margin-bottom: var(--space-md);
}

.footer__desc {
    font-size: var(--fs-sm);
    color: var(--color-text-muted);
    line-height: var(--lh-relaxed);
}

.footer__links h4 {
    font-size: var(--fs-sm);
    font-weight: var(--fw-semibold);
    margin-bottom: var(--space-md);
    color: var(--color-text);
}

.footer__links ul {
    display: flex;
    flex-direction: column;
    gap: var(--space-sm);
}

.footer__links a {
    font-size: var(--fs-sm);
    color: var(--color-text-muted);
    transition: color var(--transition-fast);
}

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

.footer__bottom {
    padding-top: var(--space-xl);
    border-top: 1px solid var(--color-border);
}

.footer__affiliate-disclosure,
.footer__disclaimer {
    margin-bottom: var(--space-md);
    padding: var(--space-md);
    background-color: #FFFFFF;
    border-radius: var(--radius-md);
    font-size: var(--fs-xs);
    color: var(--color-text-muted);
    line-height: var(--lh-relaxed);
}

.footer__affiliate-disclosure strong,
.footer__disclaimer strong {
    color: var(--color-text);
}

.footer__copyright {
    text-align: center;
    font-size: var(--fs-xs);
    color: var(--color-text-muted);
    margin-top: var(--space-lg);
}

/* --------------------------------------------------------------------------
   Pop-up Lead Magnet
   -------------------------------------------------------------------------- */
.popup-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: var(--z-modal-backdrop);
    background-color: rgba(0, 0, 0, 0.6);
    backdrop-filter: blur(4px);
    display: flex;
    align-items: center;
    justify-content: center;
    padding: var(--space-lg);
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition-base);
}

.popup-overlay.active {
    opacity: 1;
    visibility: visible;
}

.popup {
    position: relative;
    width: 100%;
    max-width: 420px;
    background-color: #FFFFFF;
    border-radius: var(--radius-2xl);
    box-shadow: var(--shadow-2xl);
    padding: var(--space-2xl);
    transform: scale(0.9) translateY(20px);
    transition: transform var(--transition-base);
}

.popup-overlay.active .popup {
    transform: scale(1) translateY(0);
}

.popup__close {
    position: absolute;
    top: var(--space-md);
    right: var(--space-md);
    display: flex;
    align-items: center;
    justify-content: center;
    width: 36px;
    height: 36px;
    background-color: var(--color-bg-alt);
    border-radius: var(--radius-full);
    color: var(--color-text-muted);
    transition: all var(--transition-fast);
}

.popup__close:hover {
    background-color: var(--color-border);
    color: var(--color-text);
}

.popup__content,
.popup__success {
    text-align: center;
}

.popup__icon {
    font-size: 3rem;
    margin-bottom: var(--space-lg);
}

.popup__icon--success {
    font-size: 4rem;
}

.popup__title {
    font-size: var(--fs-xl);
    margin-bottom: var(--space-sm);
}

.popup__subtitle {
    font-size: var(--fs-base);
    color: var(--color-text-light);
    line-height: var(--lh-relaxed);
    margin-bottom: var(--space-xl);
}

.popup__form {
    display: flex;
    flex-direction: column;
    gap: var(--space-md);
}

.popup__form-group input {
    width: 100%;
    padding: var(--space-md) var(--space-lg);
    font-size: var(--fs-base);
    border: 2px solid var(--color-border);
    border-radius: var(--radius-lg);
    transition: border-color var(--transition-fast);
}

.popup__form-group input:focus {
    outline: none;
    border-color: var(--color-primary);
}

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

.popup__privacy {
    margin-top: var(--space-md);
    font-size: var(--fs-xs);
    color: var(--color-text-muted);
}

.popup__success {
    display: flex;
    flex-direction: column;
    align-items: center;
}

.popup__success .btn {
    margin-top: var(--space-lg);
}

/* --------------------------------------------------------------------------
   Responsive Design
   -------------------------------------------------------------------------- */

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

    .section-title {
        font-size: var(--fs-3xl);
    }

    .hero {
        padding: calc(70px + var(--space-4xl)) 0 var(--space-4xl);
    }

    .hero__title {
        font-size: var(--fs-3xl);
    }

    .hero__container {
        grid-template-columns: 1fr 1fr;
        gap: var(--space-3xl);
    }

    .hero__content {
        text-align: left;
    }

    .hero__subtitle {
        margin-left: 0;
        margin-right: 0;
    }

    .hero__stats {
        justify-content: flex-start;
    }

    .hero__trust {
        justify-content: flex-start;
    }

    .hero__floating-card--1 {
        left: -20%;
    }

    .hero__floating-card--2 {
        right: -20%;
    }

    .problem-solution__grid {
        grid-template-columns: 1fr 1fr;
    }

    .benefits__grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .how-it-works__grid {
        grid-template-columns: 1fr 1fr;
        align-items: center;
    }

    .ingredients__grid {
        grid-template-columns: repeat(3, 1fr);
    }

    .testimonials__grid {
        grid-template-columns: repeat(3, 1fr);
    }

    .reassurance__grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .final-cta__title {
        font-size: var(--fs-3xl);
    }

    .footer__content {
        grid-template-columns: 1.5fr 1fr 1fr;
    }

    .nav {
        display: block;
    }

    .nav__toggle {
        display: none;
    }

    .btn--header {
        display: inline-flex;
    }
}

/* Desktop (1024px+) */
@media (min-width: 1024px) {
    .section-title {
        font-size: var(--fs-4xl);
    }

    .hero__title {
        font-size: var(--fs-4xl);
    }

    .benefits__grid {
        grid-template-columns: repeat(4, 1fr);
    }

    .reassurance__grid {
        grid-template-columns: repeat(4, 1fr);
    }

    .final-cta__title {
        font-size: var(--fs-4xl);
    }
}

/* Large Desktop (1280px+) */
@media (min-width: 1280px) {
    .hero__title {
        font-size: var(--fs-5xl);
    }

    .hero__image-wrapper {
        max-width: 500px;
    }
}

/* Print Styles */
@media print {
    .header,
    .popup-overlay,
    .final-cta,
    .btn {
        display: none;
    }

    body {
        font-size: 12pt;
        line-height: 1.5;
    }

    .hero {
        padding-top: 0;
    }
}

/* --------------------------------------------------------------------------
   PhenQ vs Phen24 Comparison Section
   -------------------------------------------------------------------------- */
.comparison-products {
    padding: var(--space-3xl) 0;
    background-color: var(--color-bg);
}

.products-comparison__grid {
    display: grid;
    gap: var(--space-lg);
    margin-bottom: var(--space-2xl);
}

.product-compare-card {
    background-color: #FFFFFF;
    padding: var(--space-xl);
    border-radius: var(--radius-xl);
    border: 2px solid var(--color-border-light);
    transition: all var(--transition-base);
}

.product-compare-card:hover {
    box-shadow: var(--shadow-lg);
}

.product-compare-card--featured {
    border-color: var(--color-primary);
    position: relative;
}

.product-compare-card__header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: var(--space-md);
}

.product-compare-card__title {
    font-size: var(--fs-xl);
    color: var(--color-text);
    margin: 0;
}

.product-compare-card__badge {
    display: inline-block;
    padding: var(--space-xs) var(--space-md);
    font-size: var(--fs-xs);
    font-weight: var(--fw-semibold);
    color: #FFFFFF;
    background: linear-gradient(135deg, var(--color-primary), var(--color-primary-dark));
    border-radius: var(--radius-full);
}

.product-compare-card__desc {
    font-size: var(--fs-sm);
    color: var(--color-text-light);
    line-height: var(--lh-relaxed);
    margin-bottom: var(--space-lg);
}

.product-compare-card__dosage {
    font-size: var(--fs-sm);
    padding: var(--space-md);
    background-color: var(--color-bg-alt);
    border-radius: var(--radius-md);
    margin-bottom: var(--space-lg);
}

.product-compare-card__features {
    display: flex;
    flex-direction: column;
    gap: var(--space-sm);
    margin-bottom: var(--space-lg);
}

.product-compare-card__features li {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    font-size: var(--fs-sm);
    line-height: var(--lh-normal);
}

.product-compare-card__ideal {
    font-size: var(--fs-sm);
    color: var(--color-text-light);
    padding-top: var(--space-md);
    border-top: 1px solid var(--color-border-light);
    margin: 0;
}

/* Detailed Comparison */
.detailed-comparison {
    background-color: var(--color-bg-alt);
    padding: var(--space-xl);
    border-radius: var(--radius-xl);
    margin-bottom: var(--space-2xl);
}

.detailed-comparison__title {
    font-size: var(--fs-xl);
    margin-bottom: var(--space-xl);
    text-align: center;
}

.comparison-point {
    display: flex;
    gap: var(--space-lg);
    padding: var(--space-lg) 0;
    border-bottom: 1px solid var(--color-border);
}

.comparison-point:last-of-type {
    border-bottom: none;
}

.comparison-point__icon {
    flex-shrink: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    width: 48px;
    height: 48px;
    background-color: var(--color-primary-light);
    border-radius: var(--radius-full);
    color: var(--color-primary);
}

.comparison-point__content h4 {
    font-size: var(--fs-base);
    margin-bottom: var(--space-sm);
}

.comparison-point__content p {
    font-size: var(--fs-sm);
    color: var(--color-text-light);
    line-height: var(--lh-relaxed);
    margin-bottom: var(--space-sm);
}

.comparison-point__content ul {
    margin: var(--space-sm) 0;
    padding-left: var(--space-lg);
}

.comparison-point__content ul li {
    font-size: var(--fs-sm);
    color: var(--color-text-light);
    line-height: var(--lh-relaxed);
    list-style: disc;
}

.comparison-point__verdict {
    padding: var(--space-md);
    background-color: #FFFFFF;
    border-radius: var(--radius-md);
    border-left: 3px solid var(--color-primary);
    margin-top: var(--space-md) !important;
}

/* Quick Comparison */
.quick-comparison {
    margin-bottom: var(--space-2xl);
}

.quick-comparison__title {
    font-size: var(--fs-xl);
    text-align: center;
    margin-bottom: var(--space-lg);
}

/* Comparison Conclusion */
.comparison-conclusion {
    background-color: var(--color-bg-alt);
    padding: var(--space-xl);
    border-radius: var(--radius-xl);
    margin-bottom: var(--space-2xl);
    text-align: center;
}

.comparison-conclusion h3 {
    font-size: var(--fs-xl);
    margin-bottom: var(--space-lg);
}

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

.conclusion-item {
    display: flex;
    align-items: flex-start;
    gap: var(--space-md);
    padding: var(--space-lg);
    background-color: #FFFFFF;
    border-radius: var(--radius-lg);
    text-align: left;
}

.conclusion-item--recommended {
    border: 2px solid var(--color-primary);
    background-color: var(--color-primary-light);
}

.conclusion-item__emoji {
    flex-shrink: 0;
    color: var(--color-primary);
}

.conclusion-item p {
    font-size: var(--fs-sm);
    line-height: var(--lh-relaxed);
    margin: 0;
}

/* Comparison Notes */
.comparison-notes {
    background-color: #FEF9C3;
    padding: var(--space-xl);
    border-radius: var(--radius-xl);
    margin-bottom: var(--space-2xl);
}

.comparison-notes h4 {
    font-size: var(--fs-base);
    margin-bottom: var(--space-md);
}

.comparison-notes ul {
    display: flex;
    flex-direction: column;
    gap: var(--space-md);
}

.comparison-notes li {
    display: flex;
    align-items: flex-start;
    gap: var(--space-md);
    font-size: var(--fs-sm);
    line-height: var(--lh-relaxed);
}

.comparison-notes li svg {
    flex-shrink: 0;
    margin-top: 2px;
}

/* Comparison CTA */
.comparison-cta {
    text-align: center;
}

/* Tablet (768px+) */
@media (min-width: 768px) {
    .products-comparison__grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .conclusion-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

/* Reduced Motion */
@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }

    html {
        scroll-behavior: auto;
    }
}