/* Botanical Noir Design System */

:root {
    --bg-color: #141313;
    --accent-amber: #FFBF00;
    --accent-copper: #B87333;
    --text-primary: #e5e2e1;
    --text-secondary: #c4c7c7;
    --glass-bg: rgba(255, 255, 255, 0.03);
    --glass-border: rgba(184, 115, 51, 0.1);
    
    --font-heading: 'Amiri', serif;
    --font-body: 'Cairo', sans-serif;
    
    --spacing-unit: 8px;
    --container-max: 1200px;
}

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

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

body {
    background-color: var(--bg-color);
    color: var(--text-primary);
    font-family: var(--font-body);
    line-height: 1.6;
    overflow-x: hidden;
}

h1, h2, h3, h4, h5, h6, .brand, .headline {
    font-family: var(--font-heading);
    font-weight: 700;
    line-height: 1.3;
}

a {
    text-decoration: none;
    color: inherit;
    transition: color 0.3s ease;
}

.container {
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 24px;
}

/* Typography Utilities */
.overline {
    font-family: var(--font-body);
    text-transform: uppercase;
    letter-spacing: 2px;
    font-size: 0.85rem;
    color: var(--accent-amber);
    margin-bottom: 12px;
    display: block;
}

.section-heading {
    text-align: center;
    margin-bottom: 48px;
}

.section-heading h2 {
    font-size: 2.5rem;
    margin-bottom: 16px;
}

.section-heading p {
    color: var(--text-secondary);
    font-size: 1.1rem;
    max-width: 600px;
    margin: 0 auto;
}

/* Glassmorphism Utilities */
.glass-card, .glass-header {
    background: var(--glass-bg);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 1px solid var(--glass-border);
    border-radius: 8px;
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 14px 28px;
    border-radius: 4px;
    font-family: var(--font-body);
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    border: none;
    text-align: center;
}

.btn-sm {
    padding: 8px 16px;
    font-size: 0.9rem;
}

.btn-block {
    width: 100%;
}

.btn-primary {
    background-color: var(--accent-amber);
    color: #000;
}

.btn-primary:hover {
    background-color: #e6ac00;
    transform: translateY(-2px);
}

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

.btn-secondary:hover {
    background-color: rgba(184, 115, 51, 0.1);
}

/* 1. Header */
.glass-header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    border-radius: 0;
    border-top: none;
    border-left: none;
    border-right: none;
    border-bottom: 1px solid var(--glass-border);
}

.header-inner {
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 72px;
}

.brand {
    font-size: 1.5rem;
    color: var(--accent-amber);
}

.nav-links {
    display: flex;
    gap: 32px;
}

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

/* 2. Hero Section */
.hero-section {
    padding-top: 140px;
    padding-bottom: 80px;
    min-height: 100vh;
    display: flex;
    align-items: center;
}

.hero-inner {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 64px;
    align-items: center;
}

.hero-content .headline {
    font-size: 3.5rem;
    margin-bottom: 24px;
}

.hero-content .subtext {
    font-size: 1.125rem;
    color: var(--text-secondary);
    margin-bottom: 40px;
}

.hero-actions {
    display: flex;
    gap: 16px;
}

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

/* Floating Animation */
@keyframes float {
    0% { transform: translateY(0px); }
    50% { transform: translateY(-20px); }
    100% { transform: translateY(0px); }
}

.floating-bottle {
    max-width: 100%;
    height: auto;
    animation: float 4s ease-in-out infinite;
    position: relative;
    z-index: 2;
}

.glow-backdrop {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 300px;
    height: 300px;
    background: radial-gradient(circle, rgba(255, 191, 0, 0.15) 0%, rgba(20, 19, 19, 0) 70%);
    z-index: 1;
    border-radius: 50%;
}

/* 3. Science Section */
.science-section {
    padding: 100px 0;
}

.cards-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 32px;
}

.ingredient-card {
    padding: 32px;
    transition: all 0.5s ease;
    filter: grayscale(100%);
}

.ingredient-card:hover {
    filter: grayscale(0%);
    transform: translateY(-5px);
    border-color: rgba(255, 191, 0, 0.3);
}

.ingredient-card.in-view {
    filter: grayscale(0%);
    border-color: rgba(255, 191, 0, 0.3);
}

.icon-copper {
    color: var(--accent-copper);
    font-size: 40px !important;
    margin-bottom: 16px;
}

.icon-amber {
    color: var(--accent-amber);
    font-size: 32px !important;
}

.ingredient-card h3 {
    font-size: 1.5rem;
    margin-bottom: 12px;
}

.ingredient-card p {
    color: var(--text-secondary);
    font-size: 0.95rem;
    margin-bottom: 24px;
}

.potency-container {
    margin-top: auto;
}

.potency-label {
    display: block;
    font-size: 0.85rem;
    text-transform: uppercase;
    margin-bottom: 8px;
    color: var(--text-secondary);
}

.potency-bar {
    width: 100%;
    height: 4px;
    background-color: rgba(255,255,255,0.1);
    border-radius: 2px;
    overflow: hidden;
}

.potency-fill {
    height: 100%;
    background-color: var(--accent-amber);
    width: 100%;
    transform: scaleX(0);
    transform-origin: right;
    transition: transform 1.5s cubic-bezier(0.22, 1, 0.36, 1);
}

/* 4. Texture Experience */
.texture-section {
    padding: 100px 0;
    background-color: #111010;
}

.texture-inner {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 64px;
    align-items: center;
}

.texture-visual img {
    width: 100%;
    border-radius: 8px;
    border: 1px solid var(--glass-border);
}

.texture-content h2 {
    font-size: 2.5rem;
    margin-bottom: 32px;
}

.feature-list {
    list-style: none;
}

.feature-list li {
    display: flex;
    align-items: center;
    gap: 16px;
    margin-bottom: 20px;
    font-size: 1.1rem;
    color: var(--text-secondary);
}

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

/* 5. Reviews Section */
.reviews-section {
    padding: 100px 0;
}

.review-card {
    padding: 32px;
    display: flex;
    flex-direction: column;
}

.stars {
    color: var(--accent-amber);
    margin-bottom: 16px;
}

.review-text {
    font-size: 1.1rem;
    font-style: italic;
    margin-bottom: 24px;
    flex-grow: 1;
}

.reviewer-initials {
    font-weight: 700;
    color: var(--accent-copper);
}

/* 6. Trust Badges */
.trust-section {
    padding: 40px 0;
    border-top: 1px solid var(--glass-border);
    border-bottom: 1px solid var(--glass-border);
    background-color: rgba(255,255,255,0.01);
}

.trust-inner {
    display: flex;
    justify-content: space-around;
    flex-wrap: wrap;
    gap: 24px;
}

.trust-badge {
    display: flex;
    align-items: center;
    gap: 12px;
    font-weight: 600;
    font-size: 1.1rem;
}

/* 7. Order Form */
.order-section {
    padding: 100px 0;
}

.order-container {
    max-width: 600px;
    margin: 0 auto;
    padding: 40px;
}

.order-header {
    text-align: center;
    margin-bottom: 32px;
}

.order-header h2 {
    font-size: 2rem;
    margin-bottom: 8px;
}

.form-group {
    margin-bottom: 24px;
}

.form-row {
    display: flex;
    gap: 16px;
}

.half {
    flex: 1;
}

label {
    display: block;
    margin-bottom: 8px;
    font-size: 0.9rem;
    color: var(--text-secondary);
}

input[type="text"],
input[type="tel"],
select {
    width: 100%;
    min-height: 52px;
    padding: 14px 0;
    background: transparent;
    border: none;
    border-bottom: 1px solid var(--accent-copper);
    color: var(--text-primary);
    font-family: var(--font-body);
    font-size: 1rem;
    outline: none;
    transition: border-color 0.3s;
}

input:focus, select:focus {
    border-bottom-color: var(--accent-amber);
}

.ltr-input {
    direction: ltr;
    text-align: left;
}

.select-wrapper {
    position: relative;
}

select {
    appearance: none;
    cursor: pointer;
}

select option {
    background-color: var(--bg-color);
    color: var(--text-primary);
}

select:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

/* Radio Group */
.radio-group {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
}

.radio-card {
    cursor: pointer;
}

.radio-card input {
    display: none;
}

.radio-content {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
    padding: 16px;
    border: 1px solid var(--glass-border);
    border-radius: 8px;
    transition: all 0.3s;
}

.radio-card input:checked + .radio-content {
    border-color: var(--accent-amber);
    background: rgba(255, 191, 0, 0.1);
}

/* Quantity Selector */
.qty-selector {
    display: flex;
    align-items: center;
    border: 1px solid var(--accent-copper);
    border-radius: 4px;
    width: max-content;
}

.qty-btn {
    background: transparent;
    border: none;
    color: var(--text-primary);
    padding: 10px 16px;
    min-width: 48px;
    min-height: 48px;
    cursor: pointer;
    font-size: 1.2rem;
}

.qty-selector input {
    width: 50px;
    text-align: center;
    border: none;
    padding: 0;
}

/* Summary */
.order-summary {
    background: rgba(0,0,0,0.2);
    padding: 24px;
    border-radius: 8px;
    margin-bottom: 32px;
}

.summary-row {
    display: flex;
    justify-content: space-between;
    margin-bottom: 12px;
    font-size: 1.1rem;
}

.summary-row.total {
    margin-top: 16px;
    padding-top: 16px;
    border-top: 1px dashed var(--glass-border);
    font-size: 1.3rem;
    font-weight: 700;
    color: var(--accent-amber);
}

.submit-btn {
    font-size: 1.2rem;
    font-weight: 700;
    gap: 8px;
    min-height: 60px;
}

.form-success {
    text-align: center;
    padding: 32px;
    background: rgba(255, 191, 0, 0.1);
    border: 1px solid var(--accent-amber);
    border-radius: 8px;
    margin-top: 24px;
}

.form-success .material-symbols-outlined {
    font-size: 48px;
    color: var(--accent-amber);
    margin-bottom: 16px;
}

.hidden {
    display: none;
}

/* Footer */
.footer {
    padding: 40px 0;
    border-top: 1px solid var(--glass-border);
    margin-top: 60px;
}

.footer-inner {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 24px;
}

.footer-links {
    display: flex;
    gap: 24px;
}

/* Responsive */
@media (max-width: 992px) {
    .hero-inner, .texture-inner {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .hero-content .headline {
        font-size: 2.8rem;
    }
    
    .hero-actions {
        justify-content: center;
    }
    
    .cards-grid {
        grid-template-columns: 1fr;
    }
    
    .nav-links {
        display: none; /* simple mobile nav approach */
    }
}

@media (max-width: 576px) {
    .form-row {
        flex-direction: column;
    }
    
    .radio-group {
        grid-template-columns: 1fr;
    }

    .hero-content .headline {
        font-size: 2.25rem;
    }

    .submit-btn {
        font-size: 0.95rem;
        padding: 14px 16px;
    }

    .trust-inner {
        flex-direction: column;
        align-items: center;
    }


}



/* Intersection Observer Animations */
.fade-in-up {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.8s ease-out, transform 0.8s ease-out;
}

.fade-in-up.is-visible {
    opacity: 1;
    transform: translateY(0);
}

@keyframes pulseVivid {
    0% { transform: scale(1); }
    50% { transform: scale(1.02); filter: brightness(1.1); }
    100% { transform: scale(1); }
}

.animate-pulse-vivid {
    animation: pulseVivid 6s infinite ease-in-out;
}


.star-icon {
    font-variation-settings: 'FILL' 1;
}


.field-error {
    color: #ff6b6b;
    font-size: 0.8rem;
    margin-top: 6px;
    display: block;
    font-family: var(--font-body);
}

input.invalid, select.invalid {
    border-bottom-color: #ff6b6b;
}

input.valid, select.valid {
    border-bottom-color: #4caf50;
}