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

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

:root {
    --gold: #D4AF37;
    --gold-light: #F4E4B7;
    --gold-dark: #B8941F;
    --black: #0A0A0A;
    --dark-gray: #1A1A1A;
    --medium-gray: #2A2A2A;
    --light-gray: #3A3A3A;
    --white: #FFFFFF;
    --off-white: #F8F8F8;
    --text-gray: #B0B0B0;
    --shadow: rgba(0, 0, 0, 0.3);
    --shadow-light: rgba(0, 0, 0, 0.15);
    --gradient-gold: linear-gradient(135deg, #D4AF37 0%, #F4E4B7 100%);
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
    background-color: var(--black);
    color: var(--white);
    line-height: 1.6;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

html {
    overflow-x: hidden;
}

* {
    -webkit-tap-highlight-color: transparent;
}

.container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 40px;
}

section {
    padding: 120px 0;
}

/* ============================================
   HEADER & NAVIGATION
   ============================================ */

.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: rgba(10, 10, 10, 0.95);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid rgba(212, 175, 55, 0.1);
}

.nav-container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 15px 40px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    min-height: 70px;
}

.logo-container {
    height: 50px;
    display: flex;
    align-items: center;
    gap: 12px;
}

.logo {
    height: 100%;
    width: auto;
    max-width: 120px;
    object-fit: contain;
}

.brand-name {
    font-size: 20px;
    font-weight: 900;
    letter-spacing: 1px;
    background: var(--gradient-gold);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    white-space: nowrap;
}

.nav-links {
    display: flex;
    align-items: center;
    gap: 40px;
}

.nav-links a {
    color: var(--text-gray);
    text-decoration: none;
    font-weight: 500;
    font-size: 15px;
    transition: color 0.3s ease;
    letter-spacing: 0.3px;
}

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

.cta-button {
    background: var(--gradient-gold);
    color: var(--black) !important;
    padding: 12px 28px;
    border-radius: 8px;
    font-weight: 600;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.cta-button:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 20px rgba(212, 175, 55, 0.3);
}

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

.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding-top: 100px;
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 50%;
    width: 1000px;
    height: 1000px;
    background: radial-gradient(circle, rgba(212, 175, 55, 0.08) 0%, transparent 70%);
    transform: translateX(-50%);
    pointer-events: none;
}

.hero-content {
    max-width: 900px;
    margin: 0 auto;
    padding: 0 40px;
    display: flex;
    justify-content: center;
    align-items: center;
}

.hero-text {
    position: relative;
    text-align: center;
    width: 100%;
}

.hero-title {
    font-size: 72px;
    font-weight: 900;
    line-height: 1.1;
    margin-bottom: 24px;
    letter-spacing: -2px;
}

.gradient-text {
    background: var(--gradient-gold);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}

.hero-subtitle {
    font-size: 20px;
    color: var(--text-gray);
    margin-bottom: 40px;
    line-height: 1.7;
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
}

.hero-features {
    display: flex;
    flex-direction: column;
    gap: 16px;
    margin-bottom: 50px;
    align-items: center;
}

.feature-item {
    display: flex;
    align-items: center;
    gap: 12px;
    color: var(--text-gray);
    font-size: 16px;
}

.feature-icon {
    color: var(--gold);
    font-weight: 700;
    font-size: 18px;
}

.cta-button-large {
    display: inline-flex;
    align-items: center;
    gap: 12px;
    background: var(--gradient-gold);
    color: var(--black);
    padding: 18px 40px;
    border-radius: 12px;
    font-weight: 700;
    font-size: 18px;
    text-decoration: none;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.cta-button-large:hover {
    transform: translateY(-3px);
    box-shadow: 0 12px 30px rgba(212, 175, 55, 0.4);
}

.arrow {
    transition: transform 0.3s ease;
}

.cta-button-large:hover .arrow {
    transform: translateX(5px);
}


/* ============================================
   SECTION HEADERS
   ============================================ */

.section-header {
    text-align: center;
    margin-bottom: 80px;
}

.section-label {
    display: inline-block;
    color: var(--gold);
    font-size: 14px;
    font-weight: 600;
    letter-spacing: 2px;
    text-transform: uppercase;
    margin-bottom: 16px;
}

.section-title {
    font-size: 56px;
    font-weight: 900;
    letter-spacing: -1.5px;
}


/* ============================================
   PRODUCTS SECTION
   ============================================ */

.products {
    background: var(--black);
    position: relative;
}

.products::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--gold), transparent);
    opacity: 0.3;
}

.filter-buttons {
    display: flex;
    justify-content: center;
    gap: 16px;
    margin-bottom: 60px;
    flex-wrap: wrap;
}

.filter-btn {
    background: var(--medium-gray);
    color: var(--text-gray);
    border: 1px solid var(--light-gray);
    padding: 12px 28px;
    border-radius: 25px;
    font-weight: 600;
    font-size: 14px;
    cursor: pointer;
    transition: all 0.3s ease;
}

.filter-btn:hover {
    border-color: var(--gold);
    color: var(--gold);
}

.filter-btn.active {
    background: var(--gradient-gold);
    color: var(--black);
    border-color: var(--gold);
}

.products-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
    gap: 40px;
}

.product-card {
    background: var(--medium-gray);
    border-radius: 20px;
    overflow: hidden;
    border: 1px solid rgba(212, 175, 55, 0.1);
    transition: all 0.4s ease;
    display: flex;
    flex-direction: column;
}

.product-card:hover {
    transform: translateY(-12px);
    border-color: var(--gold);
    box-shadow: 0 25px 50px rgba(0, 0, 0, 0.4);
}

.product-image-container {
    height: 280px;
    background: linear-gradient(135deg, var(--dark-gray) 0%, var(--light-gray) 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 30px;
    position: relative;
    overflow: hidden;
}

.product-badges {
    position: absolute;
    top: 12px;
    right: 12px;
    display: flex;
    flex-direction: column;
    gap: 8px;
    z-index: 2;
}

.purity-badge {
    background: var(--gradient-gold);
    color: var(--black);
    padding: 6px 12px;
    border-radius: 20px;
    font-size: 11px;
    font-weight: 700;
    letter-spacing: 0.5px;
    text-transform: uppercase;
    box-shadow: 0 4px 12px rgba(212, 175, 55, 0.4);
    white-space: nowrap;
}

.concentration-badge {
    background: linear-gradient(135deg, #FF6B6B 0%, #FF8E8E 100%);
    color: var(--white);
    padding: 6px 12px;
    border-radius: 20px;
    font-size: 11px;
    font-weight: 700;
    letter-spacing: 0.5px;
    box-shadow: 0 4px 12px rgba(255, 107, 107, 0.5);
    white-space: nowrap;
    animation: pulse-badge 2s infinite;
}

@keyframes pulse-badge {
    0%, 100% {
        transform: scale(1);
        box-shadow: 0 4px 12px rgba(255, 107, 107, 0.5);
    }
    50% {
        transform: scale(1.05);
        box-shadow: 0 6px 18px rgba(255, 107, 107, 0.7);
    }
}

.product-concentration {
    color: var(--text-gray);
    font-size: 13px;
    margin-bottom: 12px;
    padding: 8px 12px;
    background: rgba(212, 175, 55, 0.1);
    border-radius: 8px;
    border-left: 3px solid var(--gold);
}

.product-concentration.concentration-100mg {
    background: rgba(255, 107, 107, 0.15);
    border-left-color: #FF6B6B;
    color: var(--white);
    font-weight: 600;
}

.product-concentration.concentration-100mg strong {
    color: #FF6B6B;
    font-size: 14px;
}

.product-image-container::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle, rgba(212, 175, 55, 0.1) 0%, transparent 60%);
    animation: rotate 20s linear infinite;
}

@keyframes rotate {
    from { transform: rotate(0deg); }
    to { transform: rotate(360deg); }
}

.product-image {
    width: 100%;
    height: 100%;
    object-fit: contain;
    position: relative;
    z-index: 1;
    filter: drop-shadow(0 10px 25px rgba(0, 0, 0, 0.3));
}

.product-info {
    padding: 30px;
    display: flex;
    flex-direction: column;
    flex-grow: 1;
}

.product-category {
    display: inline-block;
    background: rgba(212, 175, 55, 0.15);
    color: var(--gold);
    padding: 6px 14px;
    border-radius: 15px;
    font-size: 12px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-bottom: 16px;
    width: fit-content;
}

.product-name {
    font-size: 24px;
    font-weight: 700;
    margin-bottom: 12px;
}

.product-description {
    color: var(--text-gray);
    font-size: 14px;
    line-height: 1.6;
    margin-bottom: 20px;
    flex-grow: 1;
}

.product-footer {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-top: auto;
}

.product-price {
    font-size: 32px;
    font-weight: 900;
    color: var(--gold);
}

.product-buy-btn {
    background: var(--gradient-gold);
    color: var(--black);
    border: none;
    padding: 12px 24px;
    border-radius: 10px;
    font-weight: 700;
    font-size: 14px;
    cursor: pointer;
    transition: all 0.3s ease;
}

.product-buy-btn:hover {
    transform: scale(1.05);
    box-shadow: 0 8px 20px rgba(212, 175, 55, 0.4);
}

/* ============================================
   BENEFITS SECTION
   ============================================ */

.benefits {
    background: var(--dark-gray);
    position: relative;
}

.benefits::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--gold), transparent);
    opacity: 0.3;
}

.benefits-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 40px;
}

.benefit-item {
    padding: 40px;
    background: var(--dark-gray);
    border-radius: 16px;
    border-left: 4px solid var(--gold);
    transition: all 0.3s ease;
}

.benefit-item:hover {
    transform: translateX(10px);
    box-shadow: 0 15px 40px rgba(0, 0, 0, 0.3);
}

.benefit-number {
    font-size: 48px;
    font-weight: 900;
    color: var(--gold);
    opacity: 0.3;
    margin-bottom: 20px;
    line-height: 1;
}

.benefit-item h3 {
    font-size: 24px;
    margin-bottom: 12px;
    font-weight: 700;
}

.benefit-item p {
    color: var(--text-gray);
    line-height: 1.7;
    font-size: 15px;
}

/* ============================================
   FAQ SECTION
   ============================================ */

.faq {
    background: var(--black);
    position: relative;
}

.faq::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--gold), transparent);
    opacity: 0.3;
}

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

.faq-item {
    background: var(--medium-gray);
    border-radius: 12px;
    margin-bottom: 20px;
    border: 1px solid rgba(212, 175, 55, 0.1);
    overflow: hidden;
    transition: all 0.3s ease;
}

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

.faq-question {
    width: 100%;
    background: none;
    border: none;
    padding: 28px 32px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    cursor: pointer;
    color: var(--white);
    font-size: 18px;
    font-weight: 600;
    text-align: left;
    transition: all 0.3s ease;
}

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

.faq-icon {
    font-size: 28px;
    color: var(--gold);
    font-weight: 300;
    transition: transform 0.3s ease;
}

.faq-item.active .faq-icon {
    transform: rotate(45deg);
}

.faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.4s ease, padding 0.4s ease;
}

.faq-item.active .faq-answer {
    max-height: 500px;
    padding: 0 32px 28px 32px;
}

.faq-answer p {
    color: var(--text-gray);
    line-height: 1.8;
    font-size: 15px;
}

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

.footer {
    background: var(--dark-gray);
    border-top: 1px solid rgba(212, 175, 55, 0.1);
    padding: 80px 0 40px 0;
}

.footer-content {
    display: grid;
    grid-template-columns: 2fr 3fr;
    gap: 80px;
    margin-bottom: 60px;
}

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

.footer-logo {
    height: 90px;
    width: auto;
    margin-bottom: 20px;
    object-fit: contain;
}

.footer-tagline {
    font-size: 18px;
    font-weight: 600;
    color: var(--gold);
    margin-bottom: 12px;
}

.footer-description {
    color: var(--text-gray);
    font-size: 15px;
    line-height: 1.7;
}

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

.footer-column h4 {
    font-size: 16px;
    font-weight: 700;
    margin-bottom: 20px;
    color: var(--gold);
}

.footer-column a {
    display: block;
    color: var(--text-gray);
    text-decoration: none;
    font-size: 14px;
    margin-bottom: 12px;
    transition: color 0.3s ease, transform 0.3s ease;
}

.footer-column a:hover {
    color: var(--gold);
    transform: translateX(5px);
}

.footer-bottom {
    padding-top: 40px;
    border-top: 1px solid rgba(212, 175, 55, 0.1);
}

.legal-notice {
    background: rgba(212, 175, 55, 0.05);
    border-left: 3px solid var(--gold);
    padding: 20px;
    border-radius: 8px;
    color: var(--text-gray);
    font-size: 13px;
    line-height: 1.7;
    margin-bottom: 20px;
}

.legal-notice strong {
    color: var(--gold);
}

.copyright {
    text-align: center;
    color: var(--text-gray);
    font-size: 14px;
}

/* ============================================
   RESPONSIVE DESIGN
   ============================================ */

@media (max-width: 1200px) {
    .hero-content {
        gap: 60px;
    }
    
    .hero-title {
        font-size: 56px;
    }
    
    .section-title {
        font-size: 48px;
    }
}

@media (max-width: 968px) {
    .nav-links {
        gap: 24px;
    }
    
    .nav-links a {
        font-size: 14px;
    }
    
    .footer-content {
        grid-template-columns: 1fr;
        gap: 40px;
    }
    
    .footer-links {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    section {
        padding: 60px 0;
    }
    
    .container {
        padding: 0 20px;
    }
    
    .nav-container {
        padding: 12px 20px;
        min-height: 70px;
    }
    
    .logo-container {
        height: 40px;
        gap: 8px;
    }
    
    .logo {
        max-width: 80px;
    }
    
    .brand-name {
        font-size: 14px;
    }
    
    .nav-links {
        gap: 16px;
    }
    
    .nav-links a:not(.cta-button) {
        font-size: 13px;
    }
    
    .cta-button {
        padding: 10px 20px;
        font-size: 13px;
    }
    
    .hero {
        padding-top: 80px;
        min-height: auto;
    }
    
    .hero-content {
        padding: 0 20px;
        gap: 40px;
    }
    
    .hero-title {
        font-size: 36px;
        letter-spacing: -1px;
    }
    
    .hero-subtitle {
        font-size: 15px;
        margin-bottom: 30px;
    }
    
    .hero-features {
        gap: 12px;
        margin-bottom: 30px;
    }
    
    .feature-item {
        font-size: 14px;
    }
    
    .cta-button-large {
        padding: 16px 32px;
        font-size: 16px;
        width: 100%;
        justify-content: center;
    }
    
    .section-header {
        margin-bottom: 50px;
    }
    
    .section-label {
        font-size: 12px;
    }
    
    .section-title {
        font-size: 32px;
    }
    
    .filter-buttons {
        gap: 10px;
        margin-bottom: 40px;
    }
    
    .filter-btn {
        padding: 10px 20px;
        font-size: 13px;
    }
    
    .products-grid {
        grid-template-columns: 1fr;
        gap: 30px;
    }
    
    .product-card {
        border-radius: 16px;
    }
    
    .product-image-container {
        height: 240px;
        padding: 20px;
    }
    
    .product-badges {
        top: 8px;
        right: 8px;
        gap: 6px;
    }
    
    .purity-badge,
    .concentration-badge {
        font-size: 10px;
        padding: 5px 10px;
    }
    
    .product-info {
        padding: 24px;
    }
    
    .product-name {
        font-size: 20px;
    }
    
    .product-description {
        font-size: 13px;
    }
    
    .product-price {
        font-size: 28px;
    }
    
    .benefits-grid {
        grid-template-columns: 1fr;
        gap: 25px;
    }
    
    .benefit-item {
        padding: 30px 24px;
    }
    
    .benefit-number {
        font-size: 40px;
    }
    
    .benefit-item h3 {
        font-size: 20px;
    }
    
    .benefit-item p {
        font-size: 14px;
    }
    
    .faq-question {
        padding: 20px 24px;
        font-size: 16px;
    }
    
    .faq-answer {
        padding: 0;
    }
    
    .faq-item.active .faq-answer {
        padding: 0 24px 20px 24px;
    }
    
    .faq-answer p {
        font-size: 14px;
    }
    
    .footer-content {
        grid-template-columns: 1fr;
        gap: 40px;
    }
    
    .footer-logo {
        height: 60px;
    }
    
    .footer-tagline {
        font-size: 16px;
    }
    
    .footer-description {
        font-size: 14px;
    }
    
    .footer-links {
        grid-template-columns: 1fr;
        gap: 30px;
    }
    
    .footer-bottom {
        padding-top: 30px;
    }
    
    .copyright {
        font-size: 12px;
    }
}

/* ============================================
   MOBILE SMALL SCREENS
   ============================================ */

@media (max-width: 480px) {
    .hero-title {
        font-size: 32px;
    }
    
    .hero-subtitle {
        font-size: 14px;
    }
    
    .section-title {
        font-size: 28px;
    }
    
    .nav-links a:not(.cta-button) {
        display: none;
    }
    
    .logo-container {
        height: 45px;
    }
    
    .brand-name {
        font-size: 14px;
    }
    
    .filter-buttons {
        flex-direction: column;
        width: 100%;
    }
    
    .filter-btn {
        width: 100%;
    }
    
    .product-footer {
        flex-direction: column;
        gap: 16px;
        align-items: flex-start;
    }
    
    .product-buy-btn {
        width: 100%;
        padding: 14px;
    }
}

/* ============================================
   CHECKOUT MODAL
   ============================================ */

.checkout-modal {
    display: none;
    position: fixed;
    z-index: 10000;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.95);
    opacity: 0;
    transition: opacity 0.2s ease;
    will-change: opacity;
}

.checkout-modal.active {
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 1;
}

.checkout-modal-content {
    background: var(--dark-gray);
    border: 1px solid rgba(212, 175, 55, 0.2);
    border-radius: 20px;
    padding: 40px;
    max-width: 550px;
    width: 90%;
    max-height: 90vh;
    overflow-y: auto;
    position: relative;
    transform: translateY(20px);
    opacity: 0;
    transition: transform 0.25s ease, opacity 0.25s ease;
    will-change: transform, opacity;
}

.checkout-modal.active .checkout-modal-content {
    transform: translateY(0);
    opacity: 1;
}

/* Removed heavy animations - using CSS transitions instead for better performance */

.checkout-modal-close {
    position: absolute;
    top: 20px;
    right: 20px;
    background: none;
    border: none;
    color: var(--text-gray);
    font-size: 32px;
    cursor: pointer;
    transition: color 0.2s ease;
    padding: 0;
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    will-change: color;
}

.checkout-modal-close:hover {
    color: var(--gold);
}

.checkout-header {
    margin-bottom: 30px;
}

.checkout-header h2 {
    font-size: 28px;
    margin-bottom: 8px;
    color: var(--white);
}

.checkout-header p {
    color: var(--text-gray);
    font-size: 15px;
}

.checkout-product-info {
    display: flex;
    gap: 20px;
    padding: 20px;
    background: var(--medium-gray);
    border-radius: 12px;
    margin-bottom: 30px;
    align-items: center;
}

.modal-product-image {
    width: 80px;
    height: 80px;
    object-fit: contain;
    border-radius: 8px;
}

.modal-product-details h3 {
    font-size: 18px;
    margin-bottom: 8px;
    color: var(--white);
}

.modal-price {
    font-size: 24px;
    font-weight: 900;
    color: var(--gold);
}

.checkout-form {
    margin-top: 20px;
}

.form-group {
    margin-bottom: 20px;
}

.form-group label {
    display: block;
    margin-bottom: 8px;
    color: var(--white);
    font-weight: 600;
    font-size: 14px;
}

.cep-input {
    width: 100%;
    padding: 14px 16px;
    background: var(--medium-gray);
    border: 2px solid var(--light-gray);
    border-radius: 10px;
    color: var(--white);
    font-size: 16px;
    font-family: 'Inter', sans-serif;
    transition: border-color 0.2s ease;
    margin-bottom: 12px;
    will-change: border-color;
}

.cep-input:focus {
    outline: none;
    border-color: var(--gold);
}

.cep-input::placeholder {
    color: var(--text-gray);
}

.btn-calculate {
    width: 100%;
    padding: 14px;
    background: var(--medium-gray);
    border: 2px solid var(--gold);
    border-radius: 10px;
    color: var(--gold);
    font-weight: 700;
    font-size: 15px;
    cursor: pointer;
    transition: all 0.2s ease;
    will-change: background, color, transform;
}

.btn-calculate:hover {
    background: var(--gold);
    color: var(--black);
}

.btn-calculate:disabled {
    opacity: 0.6;
    cursor: not-allowed;
}

.cep-loading {
    margin-top: 24px;
    text-align: center;
    padding: 30px;
    color: var(--text-gray);
}

.loading-spinner {
    width: 40px;
    height: 40px;
    margin: 0 auto 16px;
    border: 4px solid var(--light-gray);
    border-top: 4px solid var(--gold);
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

.cep-loading p {
    font-size: 14px;
    color: var(--text-gray);
}

.cep-error {
    margin-top: 24px;
    padding: 16px;
    background: rgba(220, 53, 69, 0.1);
    border: 2px solid rgba(220, 53, 69, 0.3);
    border-radius: 10px;
    text-align: center;
    color: #ff6b6b;
    font-size: 14px;
    animation: fadeInUp 0.5s ease;
}

.address-info {
    display: flex;
    gap: 12px;
    padding: 16px;
    background: rgba(212, 175, 55, 0.1);
    border: 2px solid rgba(212, 175, 55, 0.3);
    border-radius: 12px;
    margin-bottom: 20px;
    align-items: flex-start;
    animation: fadeInUp 0.5s ease;
}

.address-icon {
    font-size: 24px;
    flex-shrink: 0;
}

.address-details {
    flex: 1;
}

.address-label {
    font-size: 12px;
    color: var(--text-gray);
    margin-bottom: 4px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    font-weight: 600;
}

.address-text {
    font-size: 15px;
    color: var(--white);
    font-weight: 500;
    line-height: 1.5;
}

.shipping-result {
    margin-top: 24px;
    animation: fadeInUp 0.5s ease;
}

.shipping-option {
    display: flex;
    align-items: center;
    gap: 16px;
    padding: 20px;
    background: var(--medium-gray);
    border: 2px solid var(--gold);
    border-radius: 12px;
    margin-bottom: 20px;
}

.shipping-icon {
    font-size: 32px;
}

.shipping-details {
    flex: 1;
}

.shipping-type {
    font-weight: 700;
    font-size: 16px;
    color: var(--white);
    margin-bottom: 4px;
}

.shipping-time {
    font-size: 13px;
    color: var(--text-gray);
}

.shipping-price {
    font-size: 20px;
    font-weight: 900;
    color: var(--gold);
}

.order-summary {
    background: var(--medium-gray);
    padding: 20px;
    border-radius: 12px;
    margin-bottom: 20px;
}

.summary-row {
    display: flex;
    justify-content: space-between;
    margin-bottom: 12px;
    color: var(--text-gray);
    font-size: 15px;
}

.summary-row.total {
    border-top: 2px solid var(--light-gray);
    padding-top: 12px;
    margin-top: 12px;
    font-size: 18px;
    font-weight: 700;
    color: var(--white);
}

.summary-row.total span:last-child {
    color: var(--gold);
}

.btn-proceed {
    width: 100%;
    padding: 18px;
    background: var(--gradient-gold);
    border: none;
    border-radius: 12px;
    color: var(--black);
    font-weight: 900;
    font-size: 16px;
    cursor: pointer;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
}

.btn-proceed:hover {
    transform: translateY(-3px);
    box-shadow: 0 12px 30px rgba(212, 175, 55, 0.5);
}

.btn-proceed .arrow {
    transition: transform 0.3s ease;
}

.btn-proceed:hover .arrow {
    transform: translateX(5px);
}

.shipping-note {
    text-align: center;
    color: var(--text-gray);
    font-size: 13px;
    margin-top: 16px;
}

.shipping-note strong {
    color: var(--gold);
}

/* Mobile adjustments for modal */
@media (max-width: 768px) {
    .checkout-modal-content {
        padding: 30px 24px;
        width: 95%;
    }

    .checkout-header h2 {
        font-size: 24px;
    }

    .modal-product-image {
        width: 60px;
        height: 60px;
    }

    .modal-product-details h3 {
        font-size: 16px;
    }

    .modal-price {
        font-size: 20px;
    }
}

/* ============================================
   ANIMATIONS
   ============================================ */

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.fade-in-up {
    animation: fadeInUp 0.8s ease forwards;
}

/* ============================================
   WHATSAPP FLOATING BUTTON
   ============================================ */

.whatsapp-float {
    position: fixed;
    bottom: 20px;
    right: 20px;
    background: #25D366;
    color: #FFFFFF;
    border-radius: 50px;
    box-shadow: 0 6px 30px rgba(37, 211, 102, 0.5);
    z-index: 9999;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.3s ease;
    text-decoration: none;
    animation: pulse-whatsapp 2s infinite, bounce-whatsapp 3s infinite;
    padding: 12px 20px;
    gap: 10px;
    min-width: 180px;
}

.whatsapp-float:hover {
    animation: none;
    transform: scale(1.05) translateY(-3px);
    box-shadow: 0 8px 35px rgba(37, 211, 102, 0.7);
    background: #20BA5A;
}

.whatsapp-content {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
}

.whatsapp-float svg {
    width: 28px;
    height: 28px;
    fill: currentColor;
    flex-shrink: 0;
}

.whatsapp-text {
    font-size: 15px;
    font-weight: 700;
    white-space: nowrap;
    letter-spacing: 0.3px;
}

@keyframes pulse-whatsapp {
    0%, 100% {
        box-shadow: 0 6px 30px rgba(37, 211, 102, 0.5);
    }
    50% {
        box-shadow: 0 6px 40px rgba(37, 211, 102, 0.8);
    }
}

@keyframes bounce-whatsapp {
    0%, 100% {
        transform: translateY(0);
    }
    50% {
        transform: translateY(-5px);
    }
}

/* Mobile adjustments for WhatsApp button */
@media (max-width: 768px) {
    .whatsapp-float {
        min-width: 160px;
        padding: 10px 16px;
        bottom: 16px;
        right: 16px;
    }
    
    .whatsapp-float svg {
        width: 24px;
        height: 24px;
    }
    
    .whatsapp-text {
        font-size: 14px;
    }
}

@media (max-width: 480px) {
    .whatsapp-float {
        min-width: 140px;
        padding: 10px 14px;
        bottom: 12px;
        right: 12px;
        gap: 8px;
    }
    
    .whatsapp-float svg {
        width: 22px;
        height: 22px;
    }
    
    .whatsapp-text {
        font-size: 13px;
    }
}