/* GLOBULEIN Design System & Stylesheet */

/* 1. Design System Tokens */
:root {
    --bg-base: #F8F9FA;
    --bg-surface: #FFFFFF;
    --bg-surface-tint: #FAFBFB;
    
    --color-primary: #1C252C;
    --color-secondary: #485A65;
    --color-accent: #3D7A5A; /* Sage green primary */
    --color-accent-light: #EBF5F0; /* Soft mint highlight */
    --color-accent-dark: #29523C;
    
    --border-color: rgba(28, 37, 44, 0.06);
    --border-color-accent: rgba(61, 122, 90, 0.15);
    
    --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
    
    --transition-smooth: all 0.4s cubic-bezier(0.25, 0.8, 0.25, 1);
    --transition-fast: all 0.2s ease;
    
    --shadow-subtle: 0 4px 20px rgba(28, 37, 44, 0.02);
    --shadow-medium: 0 10px 40px rgba(28, 37, 44, 0.04);
    --shadow-premium: 0 20px 50px rgba(61, 122, 90, 0.04);
    
    --container-width: 1200px;
}

/* 2. Global Resets & Base Styles */
* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    scroll-behavior: smooth;
    font-size: 16px;
}

body {
    background-color: var(--bg-base);
    color: var(--color-primary);
    font-family: var(--font-sans);
    line-height: 1.7;
    -webkit-font-smoothing: antialiased;
    overflow-x: hidden;
}

.container {
    max-width: var(--container-width);
    margin: 0 auto;
    padding: 0 2rem;
    width: 100%;
}

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

/* Typography Hierarchy */
h1, h2, h3, h4 {
    font-weight: 600;
    line-height: 1.25;
    color: var(--color-primary);
    letter-spacing: -0.02em;
}

h1 {
    font-size: 3rem;
    font-weight: 700;
    margin-bottom: 1.5rem;
}

h2 {
    font-size: 2.25rem;
    margin-bottom: 1.25rem;
    position: relative;
}

h3 {
    font-size: 1.5rem;
    margin-bottom: 0.75rem;
}

p {
    font-size: 1.05rem;
    color: var(--color-secondary);
    margin-bottom: 1.5rem;
    font-weight: 400;
}

.lead {
    font-size: 1.2rem;
    line-height: 1.8;
    color: var(--color-secondary);
    font-weight: 300;
}

/* 3. Header & Navigation */
.main-header {
    background-color: rgba(255, 255, 255, 0.85);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--border-color);
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    transition: var(--transition-fast);
}

.header-container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 5.5rem;
}

.logo {
    font-size: 1.4rem;
    font-weight: 700;
    letter-spacing: 0.05em;
    color: var(--color-primary);
    text-decoration: none;
    display: flex;
    align-items: center;
}

.logo span {
    font-size: 0.8rem;
    vertical-align: super;
    margin-left: 2px;
    color: var(--color-accent);
}

.main-nav ul {
    display: flex;
    list-style: none;
    gap: 2.5rem;
}

.main-nav a {
    text-decoration: none;
    color: var(--color-secondary);
    font-size: 0.95rem;
    font-weight: 500;
    transition: var(--transition-fast);
}

.main-nav a:hover {
    color: var(--color-accent);
}

/* 4. Buttons & Interactive Elements */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0.9rem 2rem;
    border-radius: 6px;
    font-size: 0.95rem;
    font-weight: 600;
    text-decoration: none;
    transition: var(--transition-smooth);
    cursor: pointer;
    border: none;
}

.btn-primary {
    background-color: var(--color-accent);
    color: var(--bg-surface);
}

.btn-primary:hover {
    background-color: var(--color-accent-dark);
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(61, 122, 90, 0.15);
}

.btn-secondary {
    background-color: transparent;
    color: var(--color-primary);
    border: 1px solid var(--color-secondary);
}

.btn-secondary:hover {
    background-color: rgba(28, 37, 44, 0.02);
    border-color: var(--color-primary);
    transform: translateY(-2px);
}

.btn-nav {
    padding: 0.6rem 1.2rem;
    font-size: 0.85rem;
    background-color: var(--color-accent-light);
    color: var(--color-accent);
}

.btn-nav:hover {
    background-color: var(--color-accent);
    color: var(--bg-surface);
}

/* 5. Sections general layout */
section {
    padding: 8rem 0;
    position: relative;
}

.section-tag {
    font-size: 0.85rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.15em;
    color: var(--color-accent);
    margin-bottom: 1rem;
    display: block;
}

.section-header-center {
    max-width: 700px;
    margin: 0 auto 5rem auto;
    text-align: center;
}

/* 6. Hero Section */
.hero-section {
    padding-top: 12rem;
    padding-bottom: 9rem;
    background: radial-gradient(circle at 80% 20%, var(--bg-surface-tint) 0%, var(--bg-base) 100%);
    overflow: hidden;
}

.hero-grid {
    display: grid;
    grid-template-columns: 1.1fr 0.9fr;
    gap: 4rem;
    align-items: center;
}

.hero-content {
    max-width: 620px;
}

.hero-stats {
    display: flex;
    gap: 3rem;
    margin-top: 3.5rem;
    border-top: 1px solid var(--border-color);
    padding-top: 2rem;
}

.stat-item h4 {
    font-size: 2.2rem;
    color: var(--color-accent);
    font-weight: 700;
    line-height: 1.1;
}

.stat-item p {
    font-size: 0.85rem;
    margin-bottom: 0;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--color-secondary);
    font-weight: 500;
}

.hero-image-wrapper {
    position: relative;
    display: flex;
    justify-content: center;
}

.hero-image-container {
    position: relative;
    border-radius: 12px;
    overflow: hidden;
    box-shadow: var(--shadow-premium);
    background-color: var(--bg-surface);
    border: 1px solid var(--border-color);
    transition: var(--transition-smooth);
}

.hero-image-container:hover {
    transform: scale(1.01) translateY(-4px);
    box-shadow: 0 30px 60px rgba(61, 122, 90, 0.08);
}

.hero-badge {
    position: absolute;
    bottom: 2rem;
    left: -2rem;
    background: rgba(255, 255, 255, 0.85);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border: 1px solid var(--border-color-accent);
    padding: 1rem 1.5rem;
    border-radius: 8px;
    box-shadow: var(--shadow-medium);
    display: flex;
    flex-direction: column;
}

.hero-badge-title {
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--color-accent);
    font-weight: 700;
}

.hero-badge-desc {
    font-size: 0.95rem;
    font-weight: 600;
    color: var(--color-primary);
}

/* 7. Clinical Pillars Section */
.pillars-section {
    background-color: var(--bg-surface);
    border-bottom: 1px solid var(--border-color);
}

.pillars-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2.5rem;
}

.pillar-card {
    background-color: var(--bg-base);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    padding: 3rem 2.5rem;
    transition: var(--transition-smooth);
    display: flex;
    flex-direction: column;
}

.pillar-card:hover {
    background-color: var(--bg-surface);
    border-color: var(--color-accent);
    transform: translateY(-5px);
    box-shadow: var(--shadow-medium);
}

.pillar-icon-wrapper {
    width: 3.5rem;
    height: 3.5rem;
    border-radius: 50%;
    background-color: var(--color-accent-light);
    color: var(--color-accent);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 2rem;
    font-weight: 700;
    font-size: 1.2rem;
}

.pillar-card h3 {
    margin-bottom: 1.25rem;
}

.pillar-card p {
    font-size: 0.95rem;
    line-height: 1.7;
    margin-bottom: 0;
}

/* 8. Product Transparency Section */
.ingredients-section {
    background-color: var(--bg-base);
}

.ingredients-grid {
    display: grid;
    grid-template-columns: 1fr 1.2fr;
    gap: 5rem;
    align-items: center;
}

.label-container {
    background-color: var(--bg-surface);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 3.5rem;
    box-shadow: var(--shadow-subtle);
}

.label-header {
    border-bottom: 2px solid var(--color-primary);
    padding-bottom: 1rem;
    margin-bottom: 1.5rem;
}

.label-title {
    font-size: 1.8rem;
    font-weight: 700;
    letter-spacing: -0.01em;
}

.label-row {
    display: flex;
    justify-content: space-between;
    padding: 0.75rem 0;
    border-bottom: 1px solid var(--border-color);
    font-size: 0.95rem;
}

.label-row.highlight {
    font-weight: 600;
    color: var(--color-accent);
}

.label-footer {
    margin-top: 1.5rem;
    font-size: 0.8rem;
    color: var(--color-secondary);
}

/* Clean Comparison Table */
.comparison-container {
    margin-top: 3rem;
}

.comparison-table {
    width: 100%;
    border-collapse: collapse;
    margin-top: 1.5rem;
    background-color: var(--bg-surface);
    border-radius: 8px;
    overflow: hidden;
    box-shadow: var(--shadow-subtle);
    border: 1px solid var(--border-color);
}

.comparison-table th, .comparison-table td {
    padding: 1.2rem 1.5rem;
    text-align: left;
    font-size: 0.95rem;
}

.comparison-table th {
    background-color: var(--color-primary);
    color: var(--bg-surface);
    font-weight: 500;
}

.comparison-table tr {
    border-bottom: 1px solid var(--border-color);
}

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

.comparison-table td strong {
    color: var(--color-accent);
}

/* 9. Origin & Trazabilidad Section */
.trazabilidad-section {
    background-color: var(--bg-surface);
    border-top: 1px solid var(--border-color);
    border-bottom: 1px solid var(--border-color);
}

.timeline {
    position: relative;
    max-width: 900px;
    margin: 0 auto;
}

.timeline::before {
    content: '';
    position: absolute;
    top: 0;
    bottom: 0;
    left: 2rem;
    width: 2px;
    background-color: var(--border-color);
}

.timeline-item {
    position: relative;
    padding-left: 5rem;
    margin-bottom: 4rem;
}

.timeline-item:last-child {
    margin-bottom: 0;
}

.timeline-dot {
    position: absolute;
    left: calc(2rem - 6px);
    top: 0.5rem;
    width: 14px;
    height: 14px;
    border-radius: 50%;
    background-color: var(--color-accent);
    border: 3px solid var(--bg-surface);
    box-shadow: 0 0 0 4px var(--color-accent-light);
    z-index: 2;
}

.timeline-content {
    background-color: var(--bg-base);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    padding: 2.5rem;
    transition: var(--transition-smooth);
}

.timeline-content:hover {
    transform: translateX(5px);
    border-color: var(--color-accent);
}

.timeline-step {
    font-size: 0.8rem;
    font-weight: 700;
    color: var(--color-accent);
    text-transform: uppercase;
    letter-spacing: 0.1em;
    margin-bottom: 0.5rem;
}

/* 10. FAQ Accordion Section */
.faq-section {
    background-color: var(--bg-base);
}

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

.faq-item {
    background-color: var(--bg-surface);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    margin-bottom: 1.25rem;
    overflow: hidden;
    transition: var(--transition-smooth);
}

.faq-item:hover {
    border-color: rgba(61, 122, 90, 0.4);
}

.faq-header {
    padding: 1.8rem 2.2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    cursor: pointer;
    user-select: none;
}

.faq-question {
    font-size: 1.1rem;
    font-weight: 500;
    color: var(--color-primary);
    padding-right: 1.5rem;
}

.faq-icon {
    width: 1.2rem;
    height: 1.2rem;
    position: relative;
    flex-shrink: 0;
    transition: var(--transition-smooth);
}

.faq-icon::before, .faq-icon::after {
    content: '';
    position: absolute;
    background-color: var(--color-secondary);
    transition: var(--transition-smooth);
}

/* Plus to Minus animation */
.faq-icon::before {
    top: 50%;
    left: 0;
    right: 0;
    height: 2px;
    transform: translateY(-50%);
}

.faq-icon::after {
    top: 0;
    bottom: 0;
    left: 50%;
    width: 2px;
    transform: translateX(-50%);
}

.faq-body {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.4s cubic-bezier(0.25, 0.8, 0.25, 1);
}

.faq-content {
    padding: 0 2.2rem 2.2rem 2.2rem;
    color: var(--color-secondary);
    font-size: 1rem;
    line-height: 1.8;
}

/* Active FAQ Item State */
.faq-item.active {
    border-color: var(--color-accent);
    box-shadow: var(--shadow-subtle);
}

.faq-item.active .faq-icon::after {
    transform: translateX(-50%) rotate(90deg);
    opacity: 0;
}

.faq-item.active .faq-icon::before {
    background-color: var(--color-accent);
}

/* 11. Acquisition CTA Section */
.adquirir-section {
    background: linear-gradient(180deg, var(--bg-surface) 0%, var(--bg-base) 100%);
    text-align: center;
    border-top: 1px solid var(--border-color);
}

.adquirir-box {
    max-width: 800px;
    margin: 0 auto;
    background-color: var(--bg-surface);
    border: 1px solid var(--border-color-accent);
    border-radius: 12px;
    padding: 5rem 3rem;
    box-shadow: var(--shadow-premium);
}

.adquirir-box h2 {
    margin-bottom: 1.5rem;
}

.adquirir-price {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--color-primary);
    margin: 2rem 0;
}

.adquirir-price span {
    font-size: 1rem;
    font-weight: 400;
    color: var(--color-secondary);
}

.adquirir-benefit-list {
    display: flex;
    justify-content: center;
    gap: 2.5rem;
    list-style: none;
    margin: 2.5rem 0;
    flex-wrap: wrap;
}

.adquirir-benefit-list li {
    font-size: 0.95rem;
    color: var(--color-secondary);
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.adquirir-benefit-list li::before {
    content: '✓';
    color: var(--color-accent);
    font-weight: 700;
}

/* 12. Footer */
.main-footer {
    background-color: var(--color-primary);
    color: rgba(255, 255, 255, 0.6);
    padding: 6rem 0 3rem 0;
    font-size: 0.9rem;
}

.main-footer .logo {
    color: var(--bg-surface);
}

.main-footer .logo span {
    color: var(--color-accent-light);
}

.footer-container {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr;
    gap: 4rem;
    padding-bottom: 4rem;
    border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.footer-brand {
    max-width: 400px;
}

.footer-tagline {
    margin-top: 1.5rem;
    color: rgba(255, 255, 255, 0.45);
    font-size: 0.95rem;
}

.footer-links h4 {
    color: var(--bg-surface);
    font-size: 1rem;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    margin-bottom: 1.5rem;
}

.footer-links ul {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.footer-links a {
    color: rgba(255, 255, 255, 0.6);
    text-decoration: none;
    transition: var(--transition-fast);
}

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

.footer-legal {
    grid-column: span 3;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-top: 2rem;
    font-size: 0.8rem;
    color: rgba(255, 255, 255, 0.35);
    flex-wrap: wrap;
    gap: 1rem;
}

.footer-legal p:last-child {
    max-width: 600px;
    text-align: right;
    line-height: 1.5;
}

/* 13. Mobile Menu Navigation and Responsive Overrides */
.mobile-toggle {
    display: none;
    background: none;
    border: none;
    cursor: pointer;
    width: 2rem;
    height: 1.5rem;
    position: relative;
    z-index: 1001;
}

.mobile-toggle span {
    display: block;
    width: 100%;
    height: 2px;
    background-color: var(--color-primary);
    position: absolute;
    left: 0;
    transition: var(--transition-smooth);
}

.mobile-toggle span:nth-child(1) { top: 0; }
.mobile-toggle span:nth-child(2) { top: 50%; transform: translateY(-50%); }
.mobile-toggle span:nth-child(3) { bottom: 0; }

/* Responsive Media Queries */
@media (max-width: 1024px) {
    h1 { font-size: 2.5rem; }
    h2 { font-size: 1.85rem; }
    .hero-grid {
        grid-template-columns: 1fr;
        gap: 3.5rem;
        text-align: center;
    }
    .hero-content {
        max-width: 100%;
        margin: 0 auto;
    }
    .hero-stats {
        justify-content: center;
    }
    .hero-image-wrapper {
        order: -1;
    }
    .hero-badge {
        left: 2rem;
        bottom: -1rem;
    }
    .pillars-grid {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
    .ingredients-grid {
        grid-template-columns: 1fr;
        gap: 3rem;
    }
    .footer-container {
        grid-template-columns: 1fr 1fr;
    }
    .footer-legal {
        grid-column: span 2;
        flex-direction: column;
        text-align: center;
    }
    .footer-legal p:last-child {
        text-align: center;
    }
}

@media (max-width: 768px) {
    .main-nav {
        position: fixed;
        top: 5.5rem;
        left: 100%;
        width: 100%;
        height: calc(100vh - 5.5rem);
        background-color: var(--bg-surface);
        z-index: 999;
        transition: var(--transition-smooth);
        display: flex;
        align-items: center;
        justify-content: center;
        border-top: 1px solid var(--border-color);
    }
    
    .main-nav.active {
        left: 0;
    }
    
    .main-nav ul {
        flex-direction: column;
        align-items: center;
        gap: 3rem;
    }
    
    .main-nav a {
        font-size: 1.3rem;
    }
    
    .mobile-toggle {
        display: block;
    }
    
    .mobile-toggle.active span:nth-child(1) {
        transform: rotate(45deg);
        top: 50%;
    }
    
    .mobile-toggle.active span:nth-child(2) {
        opacity: 0;
    }
    
    .mobile-toggle.active span:nth-child(3) {
        transform: rotate(-45deg);
        bottom: calc(50% - 2px);
    }
    
    .header-cta {
        display: none;
    }
    
    .timeline::before {
        left: 1rem;
    }
    
    .timeline-item {
        padding-left: 3rem;
    }
    
    .timeline-dot {
        left: calc(1rem - 6px);
    }
}

/* 14. Scroll animations support (Fade-in triggers) */
.reveal {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.8s ease, transform 0.8s ease;
}

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

/* 15. New Responsive Utilities & Pages Layouts */
.hero-buttons {
    display: flex;
    gap: 1.5rem;
    margin-top: 2rem;
}
@media (max-width: 576px) {
    .hero-buttons {
        flex-direction: column;
        gap: 1rem;
    }
    .hero-buttons .btn {
        width: 100%;
    }
}

.checkout-grid {
    display: grid;
    grid-template-columns: 1.2fr 0.8fr;
    gap: 4rem;
    align-items: start;
}
@media (max-width: 992px) {
    .checkout-grid {
        grid-template-columns: 1fr;
        gap: 3rem;
    }
}

.form-grid-2 {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1.5rem;
}
@media (max-width: 576px) {
    .form-grid-2 {
        grid-template-columns: 1fr;
        gap: 1rem;
    }
}

.form-grid-city {
    display: grid;
    grid-template-columns: 1.2fr 0.8fr;
    gap: 1.5rem;
}
@media (max-width: 576px) {
    .form-grid-city {
        grid-template-columns: 1fr;
        gap: 1rem;
    }
}

.profile-grid {
    display: grid;
    grid-template-columns: 0.9fr 1.1fr;
    gap: 3rem;
    align-items: start;
    margin-bottom: 5rem;
}
@media (max-width: 992px) {
    .profile-grid {
        grid-template-columns: 1fr;
        gap: 2.5rem;
    }
}

/* Make tables scrollable on small mobile screens */
.comparison-container {
    width: 100%;
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
}

@media (max-width: 576px) {
    .label-container {
        padding: 2rem 1.5rem;
    }
    .adquirir-box {
        padding: 3rem 1.5rem;
    }
    .adquirir-price {
        font-size: 2rem;
    }
    .success-page-wrapper {
        padding-top: 8rem;
        padding-bottom: 6rem;
    }
    .success-page-wrapper .reveal {
        padding: 2.5rem 1.5rem !important;
    }
    
    /* Hero stats vertical stacking */
    .hero-stats {
        flex-direction: column;
        gap: 1.5rem;
        align-items: center;
        margin-top: 2.5rem;
    }
    
    /* Footer vertical stacking on mobile */
    .footer-container {
        grid-template-columns: 1fr !important;
        gap: 2.5rem;
        text-align: center;
    }
    .footer-brand {
        margin: 0 auto;
    }
    
    /* Benefit list columns to rows on mobile */
    .adquirir-benefit-list {
        flex-direction: column;
        align-items: center;
        gap: 1rem;
        margin: 2rem 0;
    }
    
    /* Adjust container padding for smaller screens */
    .container {
        padding: 0 1.25rem;
    }
    
    /* Section padding reduction for mobile devices */
    section {
        padding: 5rem 0;
    }
    .hero-section {
        padding-top: 9rem;
        padding-bottom: 5rem;
    }
}