/* ===================================
   BURN CUBE - MODERN GRADIENT THEME
   Mobile-First Responsive Design
   =================================== */

/* ===================================
   1. CSS RESET & BASE STYLES
   =================================== */

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

*,
*::before,
*::after {
    box-sizing: inherit;
}

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

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    line-height: 1.7;
    color: #1a202c;
    background: #ffffff;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* Remove tap highlight on mobile */
* {
    -webkit-tap-highlight-color: transparent;
}

/* Ensure all images are responsive */
img {
    max-width: 100%;
    height: auto;
    display: block;
}

/* Smooth transitions for all interactive elements */
a,
button {
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

/* Remove default button styles */
button {
    border: none;
    background: none;
    cursor: pointer;
    font-family: inherit;
}

/* Remove default list styles */
ul,
ol {
    list-style: none;
}

/* Remove default link styles */
a {
    text-decoration: none;
    color: inherit;
}

/* Prevent font size adjustment on mobile inputs */
input,
select,
textarea {
    font-size: 16px;
}

/* ===================================
   2. CSS VARIABLES (MODERN GRADIENT)
   =================================== */

:root {
    /* Primary Gradient Colors */
    --gradient-primary-start: #4F46E5;
    --gradient-primary-end: #06B6D4;
    --gradient-secondary-start: #8B5CF6;
    --gradient-secondary-end: #EC4899;
    
    /* Accent Colors */
    --color-accent: #10B981;
    --color-warning: #F59E0B;
    --color-danger: #EF4444;
    
    /* Neutral Colors */
    --color-dark: #1a202c;
    --color-text: #2d3748;
    --color-text-light: #4a5568;
    --color-border: #e2e8f0;
    --color-bg-light: #f7fafc;
    --color-white: #ffffff;
    
    /* Spacing */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 1.5rem;
    --spacing-lg: 2rem;
    --spacing-xl: 3rem;
    --spacing-2xl: 4rem;
    --spacing-3xl: 6rem;
    
    /* Border Radius */
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 16px;
    --radius-xl: 24px;
    --radius-full: 9999px;
    
    /* Shadows */
    --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.12), 0 1px 2px rgba(0, 0, 0, 0.06);
    --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.1), 0 2px 4px rgba(0, 0, 0, 0.06);
    --shadow-lg: 0 10px 15px rgba(0, 0, 0, 0.1), 0 4px 6px rgba(0, 0, 0, 0.05);
    --shadow-xl: 0 20px 25px rgba(0, 0, 0, 0.15), 0 10px 10px rgba(0, 0, 0, 0.04);
    --shadow-glow: 0 0 30px rgba(79, 70, 229, 0.3);
    
    /* Transitions */
    --transition-fast: 0.15s ease;
    --transition-base: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-slow: 0.5s cubic-bezier(0.4, 0, 0.2, 1);
    
    /* Container */
    --container-max-width: 1280px;
    --container-padding: 20px;
    
    /* Navigation */
    --navbar-height: 70px;
}

/* ===================================
   3. TYPOGRAPHY
   =================================== */

h1, h2, h3, h4, h5, h6 {
    font-weight: 700;
    line-height: 1.2;
    color: var(--color-dark);
    margin-bottom: var(--spacing-md);
}

/* Mobile-first typography */
h1 {
    font-size: 1.75rem; /* 28px */
}

h2 {
    font-size: 1.5rem; /* 24px */
}

h3 {
    font-size: 1.25rem; /* 20px */
}

h4 {
    font-size: 1.125rem; /* 18px */
}

p {
    margin-bottom: var(--spacing-sm);
    color: var(--color-text);
    line-height: 1.7;
}

/* Tablet typography */
@media (min-width: 768px) {
    h1 {
        font-size: 2.25rem; /* 36px */
    }
    
    h2 {
        font-size: 2rem; /* 32px */
    }
    
    h3 {
        font-size: 1.5rem; /* 24px */
    }
    
    h4 {
        font-size: 1.25rem; /* 20px */
    }
}

/* Desktop typography */
@media (min-width: 1024px) {
    h1 {
        font-size: 3rem; /* 48px */
    }
    
    h2 {
        font-size: 2.5rem; /* 40px */
    }
    
    h3 {
        font-size: 1.75rem; /* 28px */
    }
    
    h4 {
        font-size: 1.5rem; /* 24px */
    }
}

/* ===================================
   4. UTILITY CLASSES
   =================================== */

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

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

.responsive-img {
    width: 100%;
    height: auto;
    border-radius: var(--radius-lg);
}

/* Gradient text effect */
.highlight-gradient {
    background: linear-gradient(135deg, var(--gradient-primary-start), var(--gradient-primary-end));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    display: inline-block;
}

/* Section spacing */
section {
    padding: var(--spacing-2xl) 0;
}

@media (min-width: 768px) {
    section {
        padding: var(--spacing-3xl) 0;
    }
}

/* Section titles */
.section-title {
    font-size: 1.875rem;
    margin-bottom: var(--spacing-md);
    position: relative;
}

.section-subtitle {
    font-size: 1.125rem;
    color: var(--color-text-light);
    margin-bottom: var(--spacing-xl);
    font-weight: 400;
}

@media (min-width: 768px) {
    .section-title {
        font-size: 2.5rem;
    }
    
    .section-subtitle {
        font-size: 1.25rem;
    }
}

/* ===================================
   5. BUTTONS
   =================================== */

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-xs);
    padding: 14px 28px;
    font-size: 1rem;
    font-weight: 600;
    border-radius: var(--radius-full);
    cursor: pointer;
    transition: all var(--transition-base);
    text-align: center;
    white-space: nowrap;
    min-height: 48px;
    position: relative;
    overflow: hidden;
}

/* Primary button with gradient */
.btn-primary {
    background: linear-gradient(135deg, var(--gradient-primary-start), var(--gradient-primary-end));
    color: var(--color-white);
    box-shadow: var(--shadow-md);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-xl), var(--shadow-glow);
}

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

/* Hero button */
.btn-hero {
    background: linear-gradient(135deg, var(--gradient-secondary-start), var(--gradient-secondary-end));
    color: var(--color-white);
    padding: 18px 36px;
    font-size: 1.125rem;
    box-shadow: var(--shadow-lg);
    width: 100%;
    max-width: 100%;
}

.btn-hero:hover {
    transform: translateY(-3px) scale(1.02);
    box-shadow: var(--shadow-xl), 0 0 40px rgba(139, 92, 246, 0.4);
}

/* Pricing button */
.btn-pricing {
    background: linear-gradient(135deg, var(--gradient-primary-start), var(--gradient-primary-end));
    color: var(--color-white);
    width: 100%;
    padding: 16px;
    font-size: 1.125rem;
    margin-top: var(--spacing-md);
}

.btn-pricing:hover {
    transform: scale(1.05);
    box-shadow: var(--shadow-xl);
}

/* Final CTA button */
.btn-final-cta {
    background: linear-gradient(135deg, #F59E0B, #EF4444);
    color: var(--color-white);
    padding: 20px 40px;
    font-size: 1.25rem;
    animation: pulse-glow 2s infinite;
    width: 100%;
}

.btn-final-cta:hover {
    transform: scale(1.05);
    animation: none;
}

/* Mobile button optimization */
@media (max-width: 767px) {
    .btn-hero,
    .btn-final-cta {
        width: 100%;
        font-size: 1rem;
        padding: 16px 24px;
    }
}

@media (min-width: 768px) {
    .btn-hero,
    .btn-final-cta {
        width: auto;
    }
}

/* Button animations */
@keyframes pulse-glow {
    0%, 100% {
        box-shadow: 0 0 20px rgba(239, 68, 68, 0.5);
    }
    50% {
        box-shadow: 0 0 40px rgba(239, 68, 68, 0.8);
    }
}

/* Touch feedback for mobile */
@media (hover: none) {
    .btn:active {
        transform: scale(0.98);
    }
}

/* ===================================
   6. NAVIGATION MENU
   =================================== */

.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    box-shadow: var(--shadow-sm);
    z-index: 1000;
    transition: all var(--transition-base);
}

.navbar.scrolled {
    background: rgba(255, 255, 255, 0.98);
    box-shadow: var(--shadow-md);
}

.nav-container {
    max-width: var(--container-max-width);
    margin: 0 auto;
    padding: 0 var(--container-padding);
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: var(--navbar-height);
}

/* Logo */
.nav-logo a {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    font-size: 1.5rem;
    font-weight: 700;
}

.logo-icon {
    font-size: 2rem;
}

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

/* Hamburger menu */
.hamburger {
    display: flex;
    flex-direction: column;
    gap: 6px;
    width: 30px;
    height: 30px;
    padding: 0;
    z-index: 1001;
}

.hamburger-line {
    width: 100%;
    height: 3px;
    background: linear-gradient(135deg, var(--gradient-primary-start), var(--gradient-primary-end));
    border-radius: var(--radius-full);
    transition: all var(--transition-base);
}

.hamburger.active .hamburger-line:nth-child(1) {
    transform: rotate(45deg) translate(8px, 8px);
}

.hamburger.active .hamburger-line:nth-child(2) {
    opacity: 0;
}

.hamburger.active .hamburger-line:nth-child(3) {
    transform: rotate(-45deg) translate(8px, -8px);
}

/* Navigation menu - Mobile first */
.nav-menu {
    position: fixed;
    top: var(--navbar-height);
    right: -100%;
    width: 280px;
    height: calc(100vh - var(--navbar-height));
    background: var(--color-white);
    box-shadow: var(--shadow-xl);
    padding: var(--spacing-lg);
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
    transition: right var(--transition-base);
    overflow-y: auto;
}

.nav-menu.active {
    right: 0;
}

.nav-item {
    width: 100%;
}

.nav-link {
    display: block;
    padding: var(--spacing-sm) var(--spacing-md);
    font-size: 1.125rem;
    font-weight: 500;
    color: var(--color-text);
    border-radius: var(--radius-md);
    transition: all var(--transition-base);
}

.nav-link:hover {
    background: linear-gradient(135deg, rgba(79, 70, 229, 0.1), rgba(6, 182, 212, 0.1));
    color: var(--gradient-primary-start);
}

.nav-cta {
    margin-top: var(--spacing-sm);
}

.nav-cta .btn {
    width: 100%;
}

/* Desktop navigation */
@media (min-width: 768px) {
    .hamburger {
        display: none;
    }
    
    .nav-menu {
        position: static;
        width: auto;
        height: auto;
        flex-direction: row;
        padding: 0;
        box-shadow: none;
        background: transparent;
        gap: var(--spacing-xs);
    }
    
    .nav-item {
        width: auto;
    }
    
    .nav-link {
        font-size: 1rem;
        padding: var(--spacing-xs) var(--spacing-md);
    }
    
    .nav-cta {
        margin-top: 0;
    }
    
    .nav-cta .btn {
        width: auto;
    }
}

/* ===================================
   7. HERO SECTION
   =================================== */

.hero-section {
    margin-top: var(--navbar-height);
    padding: var(--spacing-xl) 0;
    background: linear-gradient(135deg, rgba(79, 70, 229, 0.05), rgba(6, 182, 212, 0.05));
    overflow: hidden;
    position: relative;
}

.hero-section::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -50%;
    width: 100%;
    height: 100%;
    background: radial-gradient(circle, rgba(79, 70, 229, 0.1) 0%, transparent 70%);
    animation: float-blob 8s ease-in-out infinite;
}

.hero-container {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xl);
    align-items: center;
    position: relative;
    z-index: 1;
}

/* Hero image */
.hero-image {
    width: 100%;
    max-width: 400px;
}

.hero-image-wrapper {
    position: relative;
    animation: float-up-down 6s ease-in-out infinite;
}

.product-hero-img {
    width: 100%;
    height: auto;
    filter: drop-shadow(0 20px 40px rgba(79, 70, 229, 0.3));
    animation: rotate-gentle 20s linear infinite;
}

/* Floating badges */
.float-badge {
    position: absolute;
    background: var(--color-white);
    border-radius: var(--radius-lg);
    padding: var(--spacing-sm) var(--spacing-md);
    box-shadow: var(--shadow-lg);
    text-align: center;
    animation: float-badge 4s ease-in-out infinite;
}

.float-badge span {
    display: block;
    font-size: 1.25rem;
    font-weight: 700;
    background: linear-gradient(135deg, var(--gradient-primary-start), var(--gradient-primary-end));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.float-badge small {
    display: block;
    font-size: 0.75rem;
    color: var(--color-text-light);
    margin-top: 2px;
}

.badge-1 {
    top: 10%;
    left: -5%;
    animation-delay: 0s;
}

.badge-2 {
    top: 50%;
    right: -5%;
    animation-delay: 1s;
}

.badge-3 {
    bottom: 10%;
    left: 5%;
    animation-delay: 2s;
}

/* Hero content */
.hero-content {
    flex: 1;
    text-align: center;
}

.hero-title {
    font-size: 1.875rem;
    line-height: 1.2;
    margin-bottom: var(--spacing-md);
    animation: fade-in-up 0.8s ease-out;
}

.hero-description {
    font-size: 1rem;
    color: var(--color-text);
    margin-bottom: var(--spacing-md);
    animation: fade-in-up 1s ease-out;
}

.hero-cta {
    margin-top: var(--spacing-lg);
    animation: fade-in-up 1.2s ease-out;
}

.cta-subtext {
    margin-top: var(--spacing-md);
    font-size: 0.875rem;
    color: var(--color-text-light);
}

/* Desktop hero layout */
@media (min-width: 768px) {
    .hero-container {
        flex-direction: row;
        text-align: left;
    }
    
    .hero-content {
        text-align: left;
    }
    
    .hero-title {
        font-size: 2.5rem;
    }
    
    .hero-description {
        font-size: 1.125rem;
    }
}

@media (min-width: 1024px) {
    .hero-title {
        font-size: 3rem;
    }
}

/* Hero animations */
@keyframes float-up-down {
    0%, 100% {
        transform: translateY(0);
    }
    50% {
        transform: translateY(-20px);
    }
}

@keyframes rotate-gentle {
    0%, 100% {
        transform: rotate(-2deg);
    }
    50% {
        transform: rotate(2deg);
    }
}

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

@keyframes float-blob {
    0%, 100% {
        transform: translate(0, 0) scale(1);
    }
    50% {
        transform: translate(-20px, 20px) scale(1.1);
    }
}

@keyframes fade-in-up {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* ===================================
   8. WHY CHOOSE US SECTION
   =================================== */

.why-choose-section {
    background: var(--color-white);
}

.features-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--spacing-lg);
}

.feature-card {
    background: linear-gradient(135deg, rgba(79, 70, 229, 0.03), rgba(6, 182, 212, 0.03));
    border-radius: var(--radius-xl);
    padding: var(--spacing-xl);
    text-align: center;
    transition: all var(--transition-base);
    border: 2px solid transparent;
    position: relative;
    overflow: hidden;
}

.feature-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    border-radius: var(--radius-xl);
    padding: 2px;
    background: linear-gradient(135deg, var(--gradient-primary-start), var(--gradient-primary-end));
    -webkit-mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
    -webkit-mask-composite: xor;
    mask-composite: exclude;
    opacity: 0;
    transition: opacity var(--transition-base);
}

.feature-card:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-xl);
}

.feature-card:hover::before {
    opacity: 1;
}

.feature-icon {
    width: 80px;
    height: 80px;
    margin: 0 auto var(--spacing-md);
}

.feature-icon img {
    width: 100%;
    height: 100%;
    object-fit: contain;
}

.feature-title {
    font-size: 1.25rem;
    margin-bottom: var(--spacing-sm);
    color: var(--color-dark);
}

.feature-description {
    color: var(--color-text);
    line-height: 1.6;
}

/* Tablet and desktop grid */
@media (min-width: 576px) {
    .features-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (min-width: 992px) {
    .features-grid {
        grid-template-columns: repeat(4, 1fr);
    }
}

/* ===================================
   9. WHAT IS SECTION
   =================================== */

.what-is-section {
    background: linear-gradient(135deg, rgba(139, 92, 246, 0.05), rgba(236, 72, 153, 0.05));
}

.what-is-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--spacing-xl);
    align-items: center;
}

.what-is-content {
    order: 2;
}

.what-is-image {
    order: 1;
}

.content-text {
    font-size: 1.0625rem;
    line-height: 1.8;
    color: var(--color-text);
    margin-bottom: var(--spacing-md);
}

@media (min-width: 768px) {
    .what-is-grid {
        grid-template-columns: 1fr 1fr;
    }
    
    .what-is-content {
        order: 1;
    }
    
    .what-is-image {
        order: 2;
    }
}

/* ===================================
   10. HOW IT WORKS SECTION
   =================================== */

.how-works-section {
    background: var(--color-white);
}

.accordion-container {
    max-width: 900px;
    margin: 0 auto;
}

.accordion-item {
    background: var(--color-white);
    border-radius: var(--radius-lg);
    margin-bottom: var(--spacing-md);
    box-shadow: var(--shadow-sm);
    overflow: hidden;
    transition: all var(--transition-base);
}

.accordion-item:hover {
    box-shadow: var(--shadow-md);
}

.accordion-header {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    width: 100%;
    padding: var(--spacing-md) var(--spacing-lg);
    background: linear-gradient(135deg, rgba(79, 70, 229, 0.05), rgba(6, 182, 212, 0.05));
    cursor: pointer;
    transition: all var(--transition-base);
    min-height: 44px;
    text-align: left;
}

.accordion-header:hover {
    background: linear-gradient(135deg, rgba(79, 70, 229, 0.1), rgba(6, 182, 212, 0.1));
}

.accordion-icon {
    font-size: 1.5rem;
    flex-shrink: 0;
}

.accordion-title {
    flex: 1;
    font-size: 1.125rem;
    color: var(--color-dark);
}

.accordion-arrow {
    font-size: 1rem;
    transition: transform var(--transition-base);
    flex-shrink: 0;
    background: linear-gradient(135deg, var(--gradient-primary-start), var(--gradient-primary-end));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.accordion-header[aria-expanded="true"] .accordion-arrow {
    transform: rotate(180deg);
}

.accordion-content {
    max-height: 0;
    overflow: hidden;
    transition: max-height var(--transition-slow);
}

.accordion-content p {
    padding: var(--spacing-lg);
    color: var(--color-text);
    line-height: 1.8;
}

.accordion-header[aria-expanded="true"] + .accordion-content {
    max-height: 1000px;
}

/* Mobile optimization */
@media (max-width: 767px) {
    .accordion-header {
        padding: var(--spacing-md);
    }
    
    .accordion-title {
        font-size: 1rem;
    }
}

/* ===================================
   11. REVIEWS SECTION
   =================================== */

.reviews-section {
    background: linear-gradient(135deg, rgba(79, 70, 229, 0.05), rgba(6, 182, 212, 0.05));
}

.reviews-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--spacing-xl);
}

.review-card {
    background: var(--color-white);
    border-radius: var(--radius-xl);
    padding: var(--spacing-xl);
    box-shadow: var(--shadow-md);
    transition: all var(--transition-base);
    animation: fade-in-scale 0.6s ease-out;
    animation-fill-mode: both;
}

.review-card:nth-child(1) {
    animation-delay: 0.1s;
}

.review-card:nth-child(2) {
    animation-delay: 0.2s;
}

.review-card:nth-child(3) {
    animation-delay: 0.3s;
}

.review-card:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-xl);
}

.review-image {
    width: 80px;
    height: 80px;
    margin: 0 auto var(--spacing-md);
    border-radius: var(--radius-full);
    overflow: hidden;
    border: 3px solid;
    border-image: linear-gradient(135deg, var(--gradient-primary-start), var(--gradient-primary-end)) 1;
    animation: pulse-border 3s ease-in-out infinite;
}

.review-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.review-content {
    text-align: center;
}

.review-stars {
    color: #F59E0B;
    font-size: 1.25rem;
    margin-bottom: var(--spacing-sm);
}

.review-name {
    font-size: 1.125rem;
    color: var(--color-dark);
    margin-bottom: var(--spacing-xs);
}

.review-location {
    font-size: 0.875rem;
    color: var(--color-text-light);
    margin-bottom: var(--spacing-md);
}

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

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

/* Desktop layout */
@media (min-width: 1024px) {
    .reviews-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

/* Review animations */
@keyframes fade-in-scale {
    from {
        opacity: 0;
        transform: scale(0.9);
    }
    to {
        opacity: 1;
        transform: scale(1);
    }
}

@keyframes pulse-border {
    0%, 100% {
        border-color: var(--gradient-primary-start);
    }
    50% {
        border-color: var(--gradient-primary-end);
    }
}

/* ===================================
   12. PRICING SECTION
   =================================== */

.pricing-section {
    background: var(--color-white);
    position: relative;
    overflow: hidden;
}

.pricing-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: radial-gradient(circle at 30% 50%, rgba(79, 70, 229, 0.05) 0%, transparent 50%);
    pointer-events: none;
}

/* Countdown timer */
.countdown-timer {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-xl);
    padding: var(--spacing-lg);
    background: linear-gradient(135deg, rgba(239, 68, 68, 0.1), rgba(245, 158, 11, 0.1));
    border-radius: var(--radius-xl);
    max-width: 400px;
    margin-left: auto;
    margin-right: auto;
}

.timer-box {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--spacing-xs);
    background: var(--color-white);
    padding: var(--spacing-md) var(--spacing-lg);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
    min-width: 100px;
}

.timer-value {
    font-size: 2.5rem;
    font-weight: 700;
    background: linear-gradient(135deg, #EF4444, #F59E0B);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    line-height: 1;
}

.timer-label {
    font-size: 0.875rem;
    color: var(--color-text-light);
    text-transform: uppercase;
    letter-spacing: 1px;
}

.timer-separator {
    font-size: 2rem;
    font-weight: 700;
    color: var(--color-text);
}

/* Pricing grid */
.pricing-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--spacing-xl);
    margin-bottom: var(--spacing-xl);
    position: relative;
    z-index: 1;
}

.pricing-card {
    background: var(--color-white);
    border-radius: var(--radius-xl);
    padding: var(--spacing-xl);
    box-shadow: var(--shadow-md);
    transition: all var(--transition-base);
    border: 2px solid var(--color-border);
    position: relative;
    text-align: center;
}

.pricing-card:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-xl);
}

/* Featured card */
.pricing-card.featured {
    border: 3px solid transparent;
    background: linear-gradient(var(--color-white), var(--color-white)) padding-box,
                linear-gradient(135deg, var(--gradient-primary-start), var(--gradient-primary-end)) border-box;
    transform: scale(1);
}

.pricing-card.featured:hover {
    transform: scale(1.05);
}

.popular-badge {
    position: absolute;
    top: -15px;
    left: 50%;
    transform: translateX(-50%);
    background: linear-gradient(135deg, #EF4444, #F59E0B);
    color: var(--color-white);
    padding: var(--spacing-xs) var(--spacing-lg);
    border-radius: var(--radius-full);
    font-size: 0.75rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 1px;
    box-shadow: var(--shadow-md);
    animation: pulse-scale 2s ease-in-out infinite;
}

.pricing-label {
    display: inline-block;
    background: linear-gradient(135deg, rgba(79, 70, 229, 0.1), rgba(6, 182, 212, 0.1));
    color: var(--gradient-primary-start);
    padding: var(--spacing-xs) var(--spacing-md);
    border-radius: var(--radius-full);
    font-size: 0.875rem;
    font-weight: 600;
    margin-bottom: var(--spacing-md);
}

.pricing-package {
    font-size: 1.5rem;
    margin-bottom: var(--spacing-xs);
}

.pricing-supply {
    font-size: 1rem;
    color: var(--color-text-light);
    margin-bottom: var(--spacing-md);
}

.pricing-image {
    margin: var(--spacing-lg) auto;
    max-width: 200px;
}

.pricing-image img {
    width: 100%;
    height: auto;
    filter: drop-shadow(0 10px 20px rgba(0, 0, 0, 0.1));
}

.pricing-cost {
    margin: var(--spacing-lg) 0;
}

.price-per {
    font-size: 3rem;
    font-weight: 700;
    background: linear-gradient(135deg, var(--gradient-primary-start), var(--gradient-primary-end));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    display: block;
    line-height: 1;
}

.price-label {
    font-size: 0.875rem;
    color: var(--color-text-light);
    display: block;
    margin-top: var(--spacing-xs);
}

.pricing-badges {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xs);
    margin: var(--spacing-md) 0;
}

.badge-bonus,
.badge-shipping {
    display: inline-block;
    padding: var(--spacing-xs) var(--spacing-md);
    border-radius: var(--radius-full);
    font-size: 0.75rem;
    font-weight: 600;
}

.badge-bonus {
    background: linear-gradient(135deg, rgba(16, 185, 129, 0.1), rgba(5, 150, 105, 0.1));
    color: var(--color-accent);
}

.badge-shipping {
    background: linear-gradient(135deg, rgba(245, 158, 11, 0.1), rgba(217, 119, 6, 0.1));
    color: var(--color-warning);
}

.pricing-total {
    margin: var(--spacing-md) 0;
    font-size: 1.5rem;
}

.price-old {
    text-decoration: line-through;
    color: var(--color-text-light);
    margin-right: var(--spacing-sm);
}

.price-new {
    font-weight: 700;
    background: linear-gradient(135deg, var(--gradient-secondary-start), var(--gradient-secondary-end));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.payment-logos {
    margin-top: var(--spacing-md);
    opacity: 0.7;
}

.rating-image {
    margin-top: var(--spacing-xl);
}

/* Tablet pricing grid */
@media (min-width: 576px) {
    .pricing-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

/* Desktop pricing grid */
@media (min-width: 992px) {
    .pricing-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

/* Pricing animations */
@keyframes pulse-scale {
    0%, 100% {
        transform: translateX(-50%) scale(1);
    }
    50% {
        transform: translateX(-50%) scale(1.05);
    }
}

/* ===================================
   13. INGREDIENTS SECTION
   =================================== */

.ingredients-section {
    background: linear-gradient(135deg, rgba(79, 70, 229, 0.03), rgba(6, 182, 212, 0.03));
}

.ingredients-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--spacing-lg);
}

.ingredient-card {
    background: var(--color-white);
    border-radius: var(--radius-lg);
    padding: var(--spacing-xl);
    box-shadow: var(--shadow-sm);
    transition: all var(--transition-base);
    border-left: 4px solid transparent;
}

.ingredient-card:hover {
    box-shadow: var(--shadow-lg);
    border-left-color: var(--gradient-primary-start);
    transform: translateX(5px);
}

.ingredient-name {
    font-size: 1.25rem;
    margin-bottom: var(--spacing-md);
    background: linear-gradient(135deg, var(--gradient-primary-start), var(--gradient-primary-end));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.ingredient-description {
    font-size: 1rem;
    line-height: 1.7;
    color: var(--color-text);
    margin-bottom: var(--spacing-md);
}

.ingredient-benefits {
    font-size: 0.9375rem;
    line-height: 1.6;
    color: var(--color-text-light);
}

.ingredient-benefits strong {
    color: var(--color-dark);
}

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

/* ===================================
   14. SCIENTIFIC EVIDENCE SECTION
   =================================== */

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

.scientific-content {
    max-width: 900px;
    margin: 0 auto;
}

.evidence-block {
    background: linear-gradient(135deg, rgba(79, 70, 229, 0.03), rgba(6, 182, 212, 0.03));
    border-radius: var(--radius-lg);
    padding: var(--spacing-xl);
    margin-bottom: var(--spacing-lg);
    border-left: 4px solid var(--gradient-primary-start);
}

.evidence-title {
    font-size: 1.375rem;
    margin-bottom: var(--spacing-md);
    color: var(--color-dark);
}

.evidence-text {
    font-size: 1rem;
    line-height: 1.8;
    color: var(--color-text);
    margin-bottom: var(--spacing-md);
}

.evidence-text:last-child {
    margin-bottom: 0;
}

/* ===================================
   15. MONEY BACK GUARANTEE SECTION
   =================================== */

.guarantee-section {
    background: linear-gradient(135deg, rgba(16, 185, 129, 0.05), rgba(5, 150, 105, 0.05));
}

.guarantee-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--spacing-xl);
    align-items: center;
}

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

.guarantee-image img {
    max-width: 300px;
    margin: 0 auto;
    animation: pulse-scale-gentle 3s ease-in-out infinite;
}

.guarantee-intro {
    font-size: 1.125rem;
    line-height: 1.7;
    color: var(--color-text);
    margin-bottom: var(--spacing-lg);
}

.guarantee-points {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-lg);
}

.guarantee-point {
    display: flex;
    gap: var(--spacing-md);
}

.point-icon {
    width: 40px;
    height: 40px;
    flex-shrink: 0;
    background: linear-gradient(135deg, var(--color-accent), #059669);
    color: var(--color-white);
    border-radius: var(--radius-full);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    font-weight: 700;
}

.point-content {
    flex: 1;
}

.point-title {
    font-size: 1.125rem;
    margin-bottom: var(--spacing-sm);
    color: var(--color-dark);
}

.point-text {
    font-size: 1rem;
    line-height: 1.7;
    color: var(--color-text);
}

@media (min-width: 768px) {
    .guarantee-grid {
        grid-template-columns: 1fr 1fr;
    }
}

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

/* ===================================
   16. BENEFITS SECTION
   =================================== */

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

.benefits-list {
    max-width: 900px;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

.benefit-item {
    display: flex;
    gap: var(--spacing-md);
    background: linear-gradient(135deg, rgba(79, 70, 229, 0.03), rgba(6, 182, 212, 0.03));
    padding: var(--spacing-lg);
    border-radius: var(--radius-lg);
    transition: all var(--transition-base);
}

.benefit-item:hover {
    background: linear-gradient(135deg, rgba(79, 70, 229, 0.08), rgba(6, 182, 212, 0.08));
    transform: translateX(10px);
}

.benefit-icon {
    width: 32px;
    height: 32px;
    flex-shrink: 0;
    background: linear-gradient(135deg, var(--gradient-primary-start), var(--gradient-primary-end));
    color: var(--color-white);
    border-radius: var(--radius-full);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.25rem;
    font-weight: 700;
}

.benefit-content {
    flex: 1;
}

.benefit-title {
    font-size: 1.125rem;
    margin-bottom: var(--spacing-xs);
    color: var(--color-dark);
}

.benefit-text {
    font-size: 1rem;
    line-height: 1.7;
    color: var(--color-text);
    margin-bottom: 0;
}

/* ===================================
   17. FAQ SECTION
   =================================== */

.faq-section {
    background: linear-gradient(135deg, rgba(79, 70, 229, 0.03), rgba(6, 182, 212, 0.03));
}

.faq-container {
    max-width: 900px;
    margin: 0 auto;
}

.faq-item {
    background: var(--color-white);
    border-radius: var(--radius-lg);
    margin-bottom: var(--spacing-md);
    box-shadow: var(--shadow-sm);
    overflow: hidden;
    transition: all var(--transition-base);
}

.faq-item:hover {
    box-shadow: var(--shadow-md);
}

.faq-question {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    width: 100%;
    padding: var(--spacing-md) var(--spacing-lg);
    background: var(--color-white);
    cursor: pointer;
    transition: all var(--transition-base);
    min-height: 44px;
    text-align: left;
}

.faq-question:hover {
    background: linear-gradient(135deg, rgba(79, 70, 229, 0.05), rgba(6, 182, 212, 0.05));
}

.faq-icon {
    font-size: 1.5rem;
    flex-shrink: 0;
}

.faq-title {
    flex: 1;
    font-size: 1.125rem;
    color: var(--color-dark);
}

.faq-arrow {
    font-size: 1rem;
    transition: transform var(--transition-base);
    flex-shrink: 0;
    background: linear-gradient(135deg, var(--gradient-primary-start), var(--gradient-primary-end));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.faq-question[aria-expanded="true"] .faq-arrow {
    transform: rotate(180deg);
}

.faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height var(--transition-slow);
}

.faq-answer p,
.faq-answer ul {
    padding: 0 var(--spacing-lg) var(--spacing-lg);
    color: var(--color-text);
    line-height: 1.8;
}

.faq-answer ul {
    list-style: disc;
    padding-left: calc(var(--spacing-lg) + 20px);
}

.faq-answer li {
    margin-bottom: var(--spacing-sm);
}

.faq-question[aria-expanded="true"] + .faq-answer {
    max-height: 2000px;
}

/* Mobile optimization */
@media (max-width: 767px) {
    .faq-question {
        padding: var(--spacing-md);
    }
    
    .faq-title {
        font-size: 1rem;
    }
}

/* ===================================
   18. FINAL CTA SECTION
   =================================== */

.final-cta-section {
    background: linear-gradient(135deg, rgba(239, 68, 68, 0.05), rgba(245, 158, 11, 0.05));
    padding: var(--spacing-3xl) 0;
}

.final-cta-content {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--spacing-xl);
    align-items: center;
    text-align: center;
}

.final-cta-image {
    animation: pulse-scale-gentle 3s ease-in-out infinite;
}

.final-cta-image img {
    max-width: 350px;
    margin: 0 auto;
    filter: drop-shadow(0 20px 40px rgba(239, 68, 68, 0.3));
}

.final-cta-title {
    font-size: 1.875rem;
    margin-bottom: var(--spacing-lg);
    line-height: 1.3;
}

.final-price {
    margin: var(--spacing-lg) 0;
}

.price-strike {
    margin-bottom: var(--spacing-sm);
}

.price-strike span:first-child {
    font-size: 1rem;
    color: var(--color-text-light);
}

.old-price {
    font-size: 1.5rem;
    text-decoration: line-through;
    color: var(--color-text-light);
    margin-left: var(--spacing-sm);
}

.price-special {
    display: flex;
    align-items: baseline;
    justify-content: center;
    gap: var(--spacing-sm);
}

.price-special span:first-child {
    font-size: 1.125rem;
    color: var(--color-text);
    font-weight: 600;
}

.new-price {
    font-size: 3.5rem;
    font-weight: 700;
    background: linear-gradient(135deg, #EF4444, #F59E0B);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    line-height: 1;
}

.price-suffix {
    font-size: 1rem;
    color: var(--color-text-light);
}

.urgency-text {
    background: linear-gradient(135deg, rgba(239, 68, 68, 0.1), rgba(245, 158, 11, 0.1));
    padding: var(--spacing-md);
    border-radius: var(--radius-lg);
    margin: var(--spacing-lg) 0;
    border-left: 4px solid #EF4444;
}

.urgency-text p {
    margin: 0;
    font-size: 1rem;
    color: var(--color-text);
}

.trust-badges {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: var(--spacing-md);
    margin-top: var(--spacing-lg);
}

.trust-item {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    font-size: 0.875rem;
    color: var(--color-text);
}

.trust-icon {
    color: var(--color-accent);
    font-weight: 700;
}

@media (min-width: 768px) {
    .final-cta-content {
        grid-template-columns: 1fr 1fr;
        text-align: left;
    }
    
    .final-cta-title {
        font-size: 2.5rem;
    }
    
    .price-special {
        justify-content: flex-start;
    }
    
    .trust-badges {
        justify-content: flex-start;
    }
}

@media (min-width: 1024px) {
    .final-cta-title {
        font-size: 3rem;
    }
}

/* Pulse animation for final CTA image */
.pulse-animation {
    animation: pulse-scale-gentle 3s ease-in-out infinite;
}

/* ===================================
   19. FOOTER
   =================================== */

.footer {
    background: linear-gradient(135deg, var(--color-dark), #2d3748);
    color: rgba(255, 255, 255, 0.8);
    padding: var(--spacing-3xl) 0 var(--spacing-lg);
}

.footer-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--spacing-xl);
    margin-bottom: var(--spacing-xl);
}

.footer-column {
    text-align: center;
}

.footer-heading {
    color: var(--color-white);
    font-size: 1.125rem;
    margin-bottom: var(--spacing-md);
}

.footer-links {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

.footer-links a {
    color: rgba(255, 255, 255, 0.8);
    transition: color var(--transition-base);
}

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

.social-icons {
    display: flex;
    justify-content: center;
    gap: var(--spacing-md);
}

.social-icons a {
    width: 40px;
    height: 40px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-full);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-white);
    transition: all var(--transition-base);
}

.social-icons a:hover {
    background: linear-gradient(135deg, var(--gradient-primary-start), var(--gradient-primary-end));
    transform: translateY(-3px);
}

.footer-disclaimer {
    background: rgba(0, 0, 0, 0.2);
    padding: var(--spacing-lg);
    border-radius: var(--radius-lg);
    margin: var(--spacing-xl) 0;
}

.footer-disclaimer p {
    font-size: 0.875rem;
    line-height: 1.7;
    color: rgba(255, 255, 255, 0.7);
    margin-bottom: var(--spacing-md);
}

.footer-disclaimer p:last-child {
    margin-bottom: 0;
}

.footer-bottom {
    text-align: center;
    padding-top: var(--spacing-lg);
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.copyright {
    font-size: 0.875rem;
    color: rgba(255, 255, 255, 0.6);
    margin: 0;
}

@media (min-width: 768px) {
    .footer-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .footer-column {
        text-align: left;
    }
    
    .social-icons {
        justify-content: flex-start;
    }
}

/* ===================================
   20. SCROLL TO TOP BUTTON
   =================================== */

.scroll-top {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 56px;
    height: 56px;
    background: linear-gradient(135deg, var(--gradient-primary-start), var(--gradient-primary-end));
    color: var(--color-white);
    border-radius: var(--radius-full);
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: var(--shadow-xl);
    cursor: pointer;
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition-base);
    z-index: 999;
}

.scroll-top.visible {
    opacity: 1;
    visibility: visible;
}

.scroll-top:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-xl), var(--shadow-glow);
}

.scroll-top:active {
    transform: translateY(-2px);
}

/* ===================================
   21. PURCHASE NOTIFICATION POPUP
   =================================== */

.purchase-notification {
    position: fixed;
    bottom: 20px;
    left: 20px;
    background: var(--color-white);
    border-radius: var(--radius-lg);
    padding: var(--spacing-md);
    box-shadow: var(--shadow-xl);
    z-index: 998;
    opacity: 0;
    transform: translateX(-100%);
    transition: all var(--transition-base);
    max-width: 300px;
}

.purchase-notification.show {
    opacity: 1;
    transform: translateX(0);
}

.notification-content {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
}

.notification-icon {
    font-size: 2rem;
}

.notification-text {
    flex: 1;
}

.buyer-name {
    color: var(--color-dark);
    font-weight: 600;
}

.buyer-location {
    color: var(--color-text-light);
}

.notification-text p {
    font-size: 0.875rem;
    color: var(--color-text);
    margin: 0;
}

/* ===================================
   22. ANIMATIONS & KEYFRAMES
   =================================== */

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

/* Scroll reveal animations */
.scroll-reveal {
    opacity: 0;
    transform: translateY(30px);
    transition: all 0.6s ease-out;
}

.scroll-reveal.revealed {
    opacity: 1;
    transform: translateY(0);
}

/* ===================================
   23. RESPONSIVE MEDIA QUERIES
   =================================== */

/* Extra small devices (phones < 480px) */
@media (max-width: 479px) {
    :root {
        --spacing-xl: 2rem;
        --spacing-2xl: 3rem;
        --spacing-3xl: 4rem;
    }
    
    .timer-box {
        min-width: 80px;
        padding: var(--spacing-sm) var(--spacing-md);
    }
    
    .timer-value {
        font-size: 2rem;
    }
}

/* Small devices (phones >= 480px) */
@media (min-width: 480px) {
    :root {
        --container-padding: 30px;
    }
}

/* Medium devices (tablets >= 768px) */
@media (min-width: 768px) {
    :root {
        --container-padding: 40px;
        --navbar-height: 80px;
    }
}

/* Large devices (desktops >= 1024px) */
@media (min-width: 1024px) {
    :root {
        --container-padding: 60px;
    }
}

/* Extra large devices (large desktops >= 1440px) */
@media (min-width: 1440px) {
    .container {
        padding: 0 80px;
    }
}

/* ===================================
   24. PRINT STYLES
   =================================== */

@media print {
    .navbar,
    .hamburger,
    .scroll-top,
    .purchase-notification,
    .countdown-timer,
    .btn {
        display: none !important;
    }
    
    body {
        font-size: 12pt;
        line-height: 1.5;
    }
    
    h1 {
        font-size: 24pt;
    }
    
    h2 {
        font-size: 20pt;
    }
    
    h3 {
        font-size: 16pt;
    }
}

/* ===================================
   END OF STYLES
   =================================== */