/* ============================================
   RespiFlo Landing Page - Main Stylesheet
   GTmetrix A+ Optimized | Mobile First
   ============================================ */

/* CSS Variables */
:root {
    --navy-dark: #1a2744;
    --navy-medium: #243454;
    --gold: #c9a962;
    --gold-light: #dfc78a;
    --white: #ffffff;
    --off-white: #f8f9fa;
    --light-gray: #e9ecef;
    --text-black: #000000;
    --success-green: #28a745;
    --danger-red: #dc3545;
    --shadow-light: 0 2px 15px rgba(0,0,0,0.08);
    --shadow-medium: 0 5px 30px rgba(0,0,0,0.12);
    --shadow-heavy: 0 10px 50px rgba(0,0,0,0.15);
    --transition: all 0.3s ease;
    --border-radius: 12px;
    --border-radius-lg: 20px;
}

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

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

body {
    font-family: 'Poppins', -apple-system, BlinkMacSystemFont, sans-serif;
    font-size: 18px;
    line-height: 1.7;
    color: var(--text-black);
    background-color: var(--white);
    overflow-x: hidden;
}

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

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

ul, ol {
    list-style: none;
}

/* Typography */
h1 {
    font-size: 46px;
    font-weight: 700;
    color: var(--navy-dark);
    line-height: 1.2;
    margin-bottom: 20px;
}

h2 {
    font-size: 36px;
    font-weight: 600;
    color: var(--navy-dark);
    line-height: 1.3;
    margin-bottom: 18px;
}

h3 {
    font-size: 28px;
    font-weight: 600;
    color: var(--navy-dark);
    line-height: 1.4;
    margin-bottom: 15px;
}

p {
    font-size: 18px;
    color: var(--text-black);
    line-height: 1.8;
    margin-bottom: 15px;
}

/* Container */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

.section {
    padding: 80px 0;
}

.section-alt {
    background-color: var(--off-white);
}

/* ============================================
   TOP HEADER BAR
   ============================================ */
.top-bar {
    background: linear-gradient(135deg, var(--navy-dark) 0%, var(--navy-medium) 100%);
    color: var(--white);
    padding: 12px 0;
    text-align: center;
    font-size: 15px;
    font-weight: 500;
}

.top-bar span {
    color: var(--gold);
    font-weight: 700;
}

/* ============================================
   HEADER / NAVIGATION
   ============================================ */
.header {
    background: var(--white);
    box-shadow: var(--shadow-light);
    position: sticky;
    top: 0;
    z-index: 1000;
}

.header-inner {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 15px 20px;
    max-width: 1200px;
    margin: 0 auto;
}

.logo img {
    height: 40px;
    width: auto;
}

.nav-menu {
    display: flex;
    gap: 35px;
}

.nav-menu a {
    font-size: 15px;
    font-weight: 500;
    color: var(--navy-dark);
    position: relative;
}

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

.nav-menu a::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--gold);
    transition: var(--transition);
}

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

.header-cta {
    background: linear-gradient(135deg, var(--gold) 0%, var(--gold-light) 100%);
    color: var(--navy-dark);
    padding: 12px 28px;
    border-radius: 30px;
    font-weight: 600;
    font-size: 14px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    box-shadow: 0 4px 15px rgba(201, 169, 98, 0.4);
}

.header-cta:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(201, 169, 98, 0.5);
}

/* Mobile Menu Toggle */
.menu-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    cursor: pointer;
    padding: 10px;
}

.menu-toggle span {
    width: 25px;
    height: 3px;
    background: var(--navy-dark);
    border-radius: 2px;
    transition: var(--transition);
}

/* ============================================
   HERO SECTION
   ============================================ */
.hero {
    background: linear-gradient(180deg, var(--off-white) 0%, var(--white) 100%);
    padding: 60px 0 80px;
    position: relative;
    overflow: hidden;
}

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

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: var(--white);
    padding: 10px 20px;
    border-radius: 30px;
    font-size: 14px;
    font-weight: 500;
    color: var(--navy-dark);
    box-shadow: var(--shadow-light);
    margin-bottom: 25px;
}

.hero-badge svg {
    width: 18px;
    height: 18px;
    fill: var(--success-green);
}

.hero h1 {
    font-size: 46px;
    margin-bottom: 20px;
}

.hero h1 span {
    color: var(--gold);
}

.hero-text {
    font-size: 18px;
    color: #555;
    margin-bottom: 30px;
    max-width: 520px;
}

.hero-features {
    display: flex;
    flex-direction: column;
    gap: 12px;
    margin-bottom: 35px;
}

.hero-features li {
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 16px;
    font-weight: 500;
}

.hero-features svg {
    width: 22px;
    height: 22px;
    fill: var(--success-green);
    flex-shrink: 0;
}

.hero-image {
    position: relative;
    text-align: center;
}

.hero-image img {
    max-width: 100%;
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow-heavy);
}

.hero-discount {
    position: absolute;
    top: 20px;
    right: 20px;
    background: var(--danger-red);
    color: var(--white);
    width: 80px;
    height: 80px;
    border-radius: 50%;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    box-shadow: var(--shadow-medium);
    animation: pulse 2s infinite;
}

.hero-discount span {
    font-size: 24px;
    line-height: 1;
}

.hero-discount small {
    font-size: 12px;
}

@keyframes pulse {
    0%, 100% { transform: scale(1); }
    50% { transform: scale(1.05); }
}

/* ============================================
   CTA BUTTON STYLES
   ============================================ */
.btn-primary {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    background: linear-gradient(135deg, var(--gold) 0%, var(--gold-light) 100%);
    color: var(--navy-dark);
    padding: 18px 40px;
    border-radius: 50px;
    font-size: 17px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    box-shadow: 0 8px 25px rgba(201, 169, 98, 0.4);
    transition: var(--transition);
    border: none;
    cursor: pointer;
}

.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 12px 35px rgba(201, 169, 98, 0.5);
}

.btn-primary svg {
    width: 20px;
    height: 20px;
}

/* CTA Box */
.cta-box {
    background: var(--white);
    padding: 30px;
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow-medium);
    text-align: center;
    margin-top: 40px;
}

.cta-box .btn-primary {
    width: 100%;
    max-width: 350px;
}

.cta-meta {
    display: flex;
    justify-content: center;
    gap: 30px;
    margin-top: 20px;
    font-size: 14px;
    color: #666;
}

.cta-meta span {
    display: flex;
    align-items: center;
    gap: 6px;
}

.cta-meta svg {
    width: 16px;
    height: 16px;
    fill: var(--success-green);
}

.stock-alert {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: #fff3cd;
    color: #856404;
    padding: 10px 20px;
    border-radius: 30px;
    font-size: 14px;
    font-weight: 600;
    margin-top: 15px;
}

/* ============================================
   TRUST BADGES
   ============================================ */
.trust-badges {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 30px;
    padding: 40px 0;
    border-top: 1px solid var(--light-gray);
    border-bottom: 1px solid var(--light-gray);
    margin: 40px 0;
}

.trust-badges img {
    height: auto;
    width: 100%;
    max-width: 600px;
    opacity: 0.9;
}

/* ============================================
   WHAT IS SECTION
   ============================================ */
.what-is {
    padding: 100px 0;
}

.what-is-inner {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 80px;
    align-items: center;
}

.what-is-image img {
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow-heavy);
}

.what-is-content h2 {
    margin-bottom: 25px;
}

.what-is-content h2 span {
    color: var(--gold);
}

.product-specs {
    background: var(--off-white);
    padding: 25px;
    border-radius: var(--border-radius);
    margin: 30px 0;
}

.spec-item {
    display: flex;
    justify-content: space-between;
    padding: 12px 0;
    border-bottom: 1px solid var(--light-gray);
}

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

.spec-label {
    font-weight: 600;
    color: var(--navy-dark);
}

.spec-value {
    color: #555;
}

/* ============================================
   HOW IT WORKS
   ============================================ */
.how-it-works {
    background: linear-gradient(180deg, var(--navy-dark) 0%, var(--navy-medium) 100%);
    padding: 100px 0;
    color: var(--white);
}

.how-it-works h2 {
    color: var(--white);
    text-align: center;
    margin-bottom: 60px;
}

.how-it-works h2 span {
    color: var(--gold);
}

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

.step-card {
    text-align: center;
    padding: 40px 30px;
    background: rgba(255,255,255,0.05);
    border-radius: var(--border-radius-lg);
    border: 1px solid rgba(255,255,255,0.1);
    transition: var(--transition);
}

.step-card:hover {
    background: rgba(255,255,255,0.08);
    transform: translateY(-5px);
}

.step-number {
    width: 60px;
    height: 60px;
    background: var(--gold);
    color: var(--navy-dark);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 24px;
    font-weight: 700;
    margin: 0 auto 25px;
}

.step-card h3 {
    color: var(--white);
    font-size: 22px;
    margin-bottom: 15px;
}

.step-card p {
    color: rgba(255,255,255,0.8);
    font-size: 16px;
}

/* ============================================
   BENEFITS SECTION
   ============================================ */
.benefits {
    padding: 100px 0;
}

.benefits h2 {
    text-align: center;
    margin-bottom: 20px;
}

.benefits h2 span {
    color: var(--gold);
}

.benefits-subtitle {
    text-align: center;
    color: #666;
    max-width: 700px;
    margin: 0 auto 60px;
}

.benefits-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
}

.benefit-card {
    background: var(--white);
    padding: 40px 30px;
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow-light);
    text-align: center;
    transition: var(--transition);
    border: 2px solid transparent;
}

.benefit-card:hover {
    box-shadow: var(--shadow-medium);
    border-color: var(--gold);
    transform: translateY(-5px);
}

.benefit-icon {
    width: 80px;
    height: 80px;
    background: linear-gradient(135deg, var(--gold) 0%, var(--gold-light) 100%);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 25px;
}

.benefit-icon svg {
    width: 40px;
    height: 40px;
    fill: var(--navy-dark);
}

.benefit-card h3 {
    font-size: 22px;
    margin-bottom: 15px;
}

.benefit-card p {
    font-size: 16px;
    color: #555;
}

/* ============================================
   INGREDIENTS SECTION
   ============================================ */
.ingredients {
    background: var(--off-white);
    padding: 100px 0;
}

.ingredients h2 {
    text-align: center;
    margin-bottom: 60px;
}

.ingredients h2 span {
    color: var(--gold);
}

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

.ingredients-image img {
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow-heavy);
}

.ingredient-list {
    display: flex;
    flex-direction: column;
    gap: 25px;
}

.ingredient-item {
    background: var(--white);
    padding: 25px;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-light);
    display: flex;
    gap: 20px;
    align-items: flex-start;
}

.ingredient-icon {
    width: 50px;
    height: 50px;
    background: var(--gold);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.ingredient-icon svg {
    width: 24px;
    height: 24px;
    fill: var(--navy-dark);
}

.ingredient-item h4 {
    font-size: 20px;
    color: var(--navy-dark);
    margin-bottom: 8px;
}

.ingredient-item p {
    font-size: 15px;
    color: #555;
    margin: 0;
}

/* ============================================
   COMPARISON SECTION
   ============================================ */
.comparison {
    padding: 100px 0;
}

.comparison h2 {
    text-align: center;
    margin-bottom: 60px;
}

.comparison h2 span {
    color: var(--gold);
}

.comparison-table {
    max-width: 900px;
    margin: 0 auto;
    background: var(--white);
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow-medium);
    overflow: hidden;
}

.comparison-header {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    background: var(--navy-dark);
    color: var(--white);
    padding: 20px;
    font-weight: 600;
    text-align: center;
}

.comparison-header span:first-child {
    text-align: left;
}

.comparison-row {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    padding: 18px 20px;
    border-bottom: 1px solid var(--light-gray);
    align-items: center;
}

.comparison-row:last-child {
    border-bottom: none;
}

.comparison-row:nth-child(even) {
    background: var(--off-white);
}

.comparison-row span:first-child {
    font-weight: 500;
}

.comparison-row span:not(:first-child) {
    text-align: center;
}

.check-icon {
    color: var(--success-green);
    font-size: 22px;
    font-weight: 700;
}

.cross-icon {
    color: var(--danger-red);
    font-size: 22px;
    font-weight: 700;
}

/* ============================================
   TESTIMONIALS
   ============================================ */
.testimonials {
    background: linear-gradient(180deg, var(--off-white) 0%, var(--white) 100%);
    padding: 100px 0;
}

.testimonials h2 {
    text-align: center;
    margin-bottom: 20px;
}

.testimonials h2 span {
    color: var(--gold);
}

.testimonials-subtitle {
    text-align: center;
    color: #666;
    margin-bottom: 60px;
}

.testimonials-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 30px;
}

.testimonial-card {
    background: var(--white);
    padding: 35px;
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow-light);
    position: relative;
}

.testimonial-card::before {
    content: '"';
    position: absolute;
    top: 20px;
    right: 30px;
    font-size: 80px;
    color: var(--gold);
    opacity: 0.2;
    font-family: Georgia, serif;
    line-height: 1;
}

.testimonial-header {
    display: flex;
    align-items: center;
    gap: 15px;
    margin-bottom: 20px;
}

.testimonial-avatar {
    width: 60px;
    height: 60px;
    border-radius: 50%;
    object-fit: cover;
}

.testimonial-info h4 {
    font-size: 18px;
    color: var(--navy-dark);
    margin-bottom: 5px;
}

.testimonial-stars {
    color: var(--gold);
    font-size: 16px;
}

.testimonial-card p {
    font-size: 16px;
    color: #444;
    font-style: italic;
    line-height: 1.8;
}

.testimonial-disclaimer {
    text-align: center;
    font-size: 13px;
    color: #888;
    margin-top: 40px;
    padding-top: 30px;
    border-top: 1px solid var(--light-gray);
}

/* ============================================
   PRICING SECTION
   ============================================ */
.pricing {
    padding: 100px 0;
    background: var(--white);
}

.pricing h2 {
    text-align: center;
    margin-bottom: 20px;
}

.pricing h2 span {
    color: var(--gold);
}

.pricing-subtitle {
    text-align: center;
    color: #666;
    margin-bottom: 60px;
}

.pricing-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
    max-width: 1100px;
    margin: 0 auto;
}

.pricing-card {
    background: var(--white);
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow-medium);
    padding: 40px 30px;
    text-align: center;
    position: relative;
    transition: var(--transition);
    border: 2px solid transparent;
}

.pricing-card:hover {
    transform: translateY(-10px);
    border-color: var(--gold);
}

.pricing-card.featured {
    border: 3px solid var(--gold);
    transform: scale(1.05);
}

.pricing-card.featured:hover {
    transform: scale(1.08);
}

.pricing-badge {
    position: absolute;
    top: -15px;
    left: 50%;
    transform: translateX(-50%);
    background: var(--gold);
    color: var(--navy-dark);
    padding: 8px 25px;
    border-radius: 30px;
    font-size: 13px;
    font-weight: 700;
    text-transform: uppercase;
}

.pricing-image {
    margin: 20px 0;
}

.pricing-image img {
    max-height: 180px;
    margin: 0 auto;
}

.pricing-title {
    font-size: 20px;
    color: var(--navy-dark);
    margin-bottom: 10px;
}

.pricing-bottles {
    font-size: 15px;
    color: #666;
    margin-bottom: 20px;
}

.pricing-price {
    margin-bottom: 15px;
}

.price-current {
    font-size: 48px;
    font-weight: 700;
    color: var(--navy-dark);
}

.price-current sup {
    font-size: 24px;
    top: -15px;
}

.price-per {
    font-size: 14px;
    color: #666;
}

.price-original {
    font-size: 18px;
    color: #999;
    text-decoration: line-through;
    margin-bottom: 5px;
}

.price-savings {
    display: inline-block;
    background: #d4edda;
    color: #155724;
    padding: 5px 15px;
    border-radius: 20px;
    font-size: 13px;
    font-weight: 600;
    margin-bottom: 20px;
}

.shipping-info {
    font-size: 14px;
    color: #666;
    margin-bottom: 25px;
}

.shipping-info.free {
    color: var(--success-green);
    font-weight: 600;
}

.pricing-card .btn-primary {
    width: 100%;
}

/* ============================================
   GUARANTEE SECTION
   ============================================ */
.guarantee {
    background: linear-gradient(135deg, var(--navy-dark) 0%, var(--navy-medium) 100%);
    padding: 80px 0;
    color: var(--white);
}

.guarantee-inner {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 60px;
    max-width: 900px;
    margin: 0 auto;
}

.guarantee-badge {
    flex-shrink: 0;
}

.guarantee-badge svg {
    width: 150px;
    height: 150px;
}

.guarantee-content h2 {
    color: var(--white);
    margin-bottom: 20px;
}

.guarantee-content h2 span {
    color: var(--gold);
}

.guarantee-content p {
    color: rgba(255,255,255,0.9);
    font-size: 17px;
}

/* ============================================
   FAQ SECTION
   ============================================ */
.faq {
    padding: 100px 0;
    background: var(--off-white);
}

.faq h2 {
    text-align: center;
    margin-bottom: 60px;
}

.faq h2 span {
    color: var(--gold);
}

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

.faq-item {
    background: var(--white);
    margin-bottom: 15px;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-light);
    overflow: hidden;
}

.faq-question {
    width: 100%;
    padding: 25px 30px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    background: none;
    border: none;
    cursor: pointer;
    font-size: 18px;
    font-weight: 600;
    color: var(--navy-dark);
    text-align: left;
    transition: var(--transition);
}

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

.faq-question svg {
    width: 20px;
    height: 20px;
    transition: var(--transition);
    flex-shrink: 0;
}

.faq-item.active .faq-question svg {
    transform: rotate(180deg);
}

.faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease;
}

.faq-item.active .faq-answer {
    max-height: 500px;
}

.faq-answer p {
    padding: 0 30px 25px;
    font-size: 16px;
    color: #555;
}

/* ============================================
   FINAL CTA SECTION
   ============================================ */
.final-cta {
    padding: 100px 0;
    background: var(--white);
    text-align: center;
}

.final-cta h2 {
    margin-bottom: 20px;
}

.final-cta h2 span {
    color: var(--gold);
}

.final-cta-subtitle {
    color: #666;
    margin-bottom: 40px;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

.final-cta-image {
    max-width: 500px;
    margin: 0 auto 40px;
}

.final-cta-image img {
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow-heavy);
}

/* ============================================
   FOOTER
   ============================================ */
.footer {
    background: var(--navy-dark);
    color: var(--white);
    padding: 60px 0 30px;
}

.footer-inner {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr;
    gap: 60px;
    margin-bottom: 40px;
}

.footer-brand img {
    height: 35px;
    margin-bottom: 20px;
    filter: brightness(0) invert(1);
}

.footer-brand p {
    color: rgba(255,255,255,0.7);
    font-size: 15px;
    max-width: 350px;
}

.footer-links h4,
.footer-contact h4 {
    color: var(--gold);
    font-size: 18px;
    margin-bottom: 20px;
}

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

.footer-links a {
    color: rgba(255,255,255,0.7);
    font-size: 15px;
}

.footer-links a:hover {
    color: var(--gold);
}

.footer-contact p {
    color: rgba(255,255,255,0.7);
    font-size: 15px;
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 10px;
}

.footer-contact svg {
    width: 18px;
    height: 18px;
    fill: var(--gold);
}

.footer-bottom {
    border-top: 1px solid rgba(255,255,255,0.1);
    padding-top: 30px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.footer-bottom p {
    color: rgba(255,255,255,0.5);
    font-size: 14px;
}

.footer-badges img {
    height: 40px;
}

.footer-disclaimer {
    background: rgba(0,0,0,0.2);
    padding: 30px;
    margin-top: 30px;
    border-radius: var(--border-radius);
}

.footer-disclaimer p {
    font-size: 13px;
    color: rgba(255,255,255,0.6);
    text-align: center;
    margin: 0;
}

/* ============================================
   FLOATING CTA BUTTON (Mobile)
   ============================================ */
.floating-cta {
    display: none;
    position: fixed;
    bottom: 20px;
    right: 20px;
    z-index: 999;
    animation: float 3s ease-in-out infinite;
}

.floating-cta a {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    background: linear-gradient(135deg, var(--gold) 0%, var(--gold-light) 100%);
    color: var(--navy-dark);
    padding: 15px 25px;
    border-radius: 50px;
    font-weight: 700;
    font-size: 14px;
    text-transform: uppercase;
    box-shadow: 0 8px 30px rgba(201, 169, 98, 0.5);
}

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

/* ============================================
   EXIT INTENT POPUP
   ============================================ */
.popup-overlay {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0,0,0,0.7);
    z-index: 9999;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: opacity 0.3s ease;
}

.popup-overlay.active {
    display: flex;
    opacity: 1;
}

.popup-content {
    background: var(--white);
    max-width: 500px;
    width: 90%;
    border-radius: var(--border-radius-lg);
    padding: 50px 40px;
    text-align: center;
    position: relative;
    transform: scale(0.9);
    transition: transform 0.3s ease;
}

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

.popup-close {
    position: absolute;
    top: 15px;
    right: 15px;
    width: 35px;
    height: 35px;
    border-radius: 50%;
    background: var(--light-gray);
    border: none;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 20px;
    color: #666;
    transition: var(--transition);
}

.popup-close:hover {
    background: var(--navy-dark);
    color: var(--white);
}

.popup-content h3 {
    font-size: 28px;
    margin-bottom: 15px;
}

.popup-content h3 span {
    color: var(--gold);
}

.popup-content p {
    color: #666;
    margin-bottom: 25px;
}

.popup-content .btn-primary {
    width: 100%;
}

/* ============================================
   PURCHASE NOTIFICATION
   ============================================ */
.purchase-notification {
    position: fixed;
    bottom: 20px;
    left: 20px;
    background: var(--white);
    padding: 15px 20px;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-heavy);
    display: flex;
    align-items: center;
    gap: 15px;
    max-width: 320px;
    z-index: 998;
    transform: translateX(-120%);
    transition: transform 0.5s ease;
}

.purchase-notification.show {
    transform: translateX(0);
}

.purchase-notification img {
    width: 50px;
    height: 50px;
    border-radius: 8px;
}

.purchase-notification-content p {
    font-size: 14px;
    margin: 0;
    color: var(--text-black);
}

.purchase-notification-content span {
    font-size: 12px;
    color: #888;
}

/* ============================================
   RESPONSIVE STYLES
   ============================================ */
@media (max-width: 1024px) {
    h1 { font-size: 38px; }
    h2 { font-size: 32px; }
    h3 { font-size: 24px; }
    
    .hero-inner {
        gap: 40px;
    }
    
    .pricing-grid {
        gap: 20px;
    }
    
    .pricing-card.featured {
        transform: scale(1.02);
    }
}

@media (max-width: 900px) {
    .nav-menu {
        display: none;
    }
    
    .menu-toggle {
        display: flex;
    }
    
    .header-cta {
        display: none;
    }
    
    .hero-inner,
    .what-is-inner,
    .ingredients-inner {
        grid-template-columns: 1fr;
        gap: 40px;
    }
    
    .steps-grid,
    .benefits-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .pricing-grid {
        grid-template-columns: 1fr;
        max-width: 400px;
    }
    
    .pricing-card.featured {
        transform: none;
        order: -1;
    }
    
    .testimonials-grid {
        grid-template-columns: 1fr;
    }
    
    .footer-inner {
        grid-template-columns: 1fr;
        gap: 40px;
        text-align: center;
    }
    
    .footer-brand p {
        max-width: 100%;
    }
    
    .footer-bottom {
        flex-direction: column;
        gap: 20px;
        text-align: center;
    }
    
    .guarantee-inner {
        flex-direction: column;
        text-align: center;
    }
}

@media (max-width: 768px) {
    /* Typography Mobile */
    h1 { font-size: 30px; }
    h2 { font-size: 24px; }
    h3 { font-size: 20px; }
    p { font-size: 16.5px; }
    
    body {
        font-size: 16.5px;
    }
    
    .section {
        padding: 60px 0;
    }
    
    /* Hide top bar on mobile */
    .top-bar {
        display: none;
    }
    
    .hero {
        padding: 40px 0 60px;
    }
    
    .hero h1 {
        font-size: 30px;
    }
    
    .hero-image {
        order: -1;
    }
    
    .steps-grid,
    .benefits-grid {
        grid-template-columns: 1fr;
    }
    
    .comparison-header,
    .comparison-row {
        grid-template-columns: 1.5fr 1fr 1fr 1fr;
        font-size: 13px;
        padding: 15px 10px;
    }
    
    .floating-cta {
        display: block;
    }
    
    .cta-box {
        padding: 20px;
    }
    
    .btn-primary {
        padding: 15px 30px;
        font-size: 15px;
    }
    
    .purchase-notification {
        left: 10px;
        right: 10px;
        max-width: none;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 15px;
    }
    
    h1 { font-size: 28px; }
    
    .hero-discount {
        width: 65px;
        height: 65px;
    }
    
    .hero-discount span {
        font-size: 20px;
    }
    
    .comparison-header,
    .comparison-row {
        font-size: 11px;
        padding: 12px 8px;
    }
    
    .popup-content {
        padding: 35px 25px;
    }
    
    .popup-content h3 {
        font-size: 24px;
    }
}

/* Zoom Support up to 200% */
@media (min-resolution: 2dppx) {
    body {
        -webkit-font-smoothing: antialiased;
        -moz-osx-font-smoothing: grayscale;
    }
}

/* Print Styles */
@media print {
    .floating-cta,
    .popup-overlay,
    .purchase-notification {
        display: none !important;
    }
}