/* Ketropics Landing Page Styles */

/* ===== CSS Variables ===== */
:root {
    /* Colors */
    --color-white: #FFFFFF;
    --color-bg: #FAFAFA;
    --color-grey-light: #F5F5F5;
    --color-grey: #E0E0E0;
    --color-grey-mid: #9E9E9E;
    --color-grey-dark: #424242;
    --color-black: #1A1A1A;
    
    /* Neon Accent Colors */
    --color-teal: #00E0D1;
    --color-lime: #CCFF00;
    --color-orange: #FF6A00;
    --color-violet: #9B5BFF;
    --color-aqua: #00D4FF;
    --color-coral: #FF6B6B;
    
    /* Typography */
    --font-primary: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    
    /* Spacing */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 2rem;
    --spacing-lg: 4rem;
    --spacing-xl: 6rem;
    
    /* Border Radius */
    --radius-sm: 4px;
    --radius-md: 8px;
    --radius-lg: 12px;
    
    /* Transitions */
    --transition: all 0.3s ease;
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-primary);
    font-size: 16px;
    line-height: 1.6;
    color: var(--color-grey-dark);
    background-color: var(--color-white);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* ===== Typography ===== */
h1, h2, h3, h4, h5, h6 {
    font-weight: 600;
    line-height: 1.2;
    color: var(--color-black);
    margin-bottom: var(--spacing-sm);
}

h1 {
    font-size: clamp(2.5rem, 5vw, 4rem);
    font-weight: 700;
    letter-spacing: -0.02em;
}

h2 {
    font-size: clamp(2rem, 4vw, 3rem);
    font-weight: 600;
    letter-spacing: -0.01em;
}

h3 {
    font-size: clamp(1.25rem, 2.5vw, 1.75rem);
    font-weight: 600;
}

p {
    margin-bottom: var(--spacing-sm);
}

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

/* ===== Container ===== */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-md);
}

/* ===== Navigation ===== */
.nav {
    position: sticky;
    top: 0;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--color-grey);
    z-index: 1000;
    padding: var(--spacing-sm) 0;
}

.nav-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    font-size: 1.5rem;
    font-weight: 700;
    letter-spacing: 0.05em;
    color: var(--color-black);
}

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

.nav-links a {
    font-size: 0.95rem;
    font-weight: 500;
    color: var(--color-grey-dark);
    transition: var(--transition);
}

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

.btn-nav {
    padding: 0.5rem 1.25rem;
    background: var(--color-black);
    color: var(--color-white) !important;
    border-radius: var(--radius-sm);
    font-weight: 600;
}

.btn-nav:hover {
    background: var(--color-grey-dark);
}

/* ===== Ketropics Text Logo (HTML + CSS, no image) ===== */
.logo-ketropics {
    font-family: var(--font-primary);
    font-weight: 500;
    font-size: 1.5rem;
    letter-spacing: 0.00005em;
    color: var(--color-black);
    text-decoration: none;
    display: inline-flex;
    align-items: flex-end;
}

/* Slightly heavier K, as in the PNG */
.logo-ketropics-k {
    font-weight: 500;
}

/* Special styling for the “i” with a teal square dot */
.logo-ketropics-i {
    position: relative;
    display: inline-block;
}

/* Teal square above the i, mimicking the uploaded logo */
.logo-ketropics-i::after {
    content: "";
    position: absolute;
    left: 50%;
    transform: translateX(-50%);
    bottom: 1.10em;               /* move up/down to align with your font */
    width: 0.15em;
    height: 0.15em;
    background-color: var(--color-aqua); /* teal square */
    border-radius: 1px;            /* slight rounding like a vector square */
}

/* ===== Buttons ===== */
.btn {
    display: inline-block;
    padding: 1rem 2rem;
    font-size: 1rem;
    font-weight: 600;
    text-align: center;
    border-radius: var(--radius-sm);
    cursor: pointer;
    transition: var(--transition);
    border: 2px solid transparent;
}

.btn-teal {
    background: var(--color-teal);
    color: var(--color-black);
}

.btn-teal:hover {
    background: transparent;
    border-color: var(--color-teal);
    color: var(--color-teal);
}

.btn-lime {
    background: var(--color-lime);
    color: var(--color-black);
}

.btn-lime:hover {
    background: transparent;
    border-color: var(--color-lime);
    color: var(--color-lime);
}

.btn-orange {
    background: var(--color-orange);
    color: var(--color-white);
}

.btn-orange:hover {
    background: transparent;
    border-color: var(--color-orange);
    color: var(--color-orange);
}

.btn-violet {
    background: var(--color-violet);
    color: var(--color-white);
}

.btn-violet:hover {
    background: transparent;
    border-color: var(--color-violet);
    color: var(--color-violet);
}

.btn-aqua {
    background: var(--color-aqua);
    color: var(--color-black);
}

.btn-aqua:hover {
    background: transparent;
    border-color: var(--color-aqua);
    color: var(--color-aqua);
}

.btn-coral {
    background: var(--color-coral);
    color: var(--color-white);
}

.btn-coral:hover {
    background: transparent;
    border-color: var(--color-coral);
    color: var(--color-coral);
}

.btn-outline {
    background: transparent;
    border: 2px solid var(--color-black);
    color: var(--color-black);
}

.btn-outline:hover {
    background: var(--color-black);
    color: var(--color-white);
}

/* ===== Hero Section ===== */
.hero {
    padding: var(--spacing-xl) 0;
    background: 
        linear-gradient(90deg, rgba(224, 224, 224, 0.1) 1px, transparent 1px),
        linear-gradient(rgba(224, 224, 224, 0.1) 1px, transparent 1px);
    background-size: 40px 40px;
    position: relative;
}

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

.hero-text h1 {
    margin-bottom: var(--spacing-md);
}

.hero-subheadline {
    font-size: 1.25rem;
    line-height: 1.6;
    color: var(--color-grey-dark);
    margin-bottom: var(--spacing-md);
}

.hero-ctas {
    display: flex;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-md);
    flex-wrap: wrap;
}

.hero-micro {
    font-size: 0.875rem;
    color: var(--color-grey-mid);
    font-weight: 500;
}

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

.showcase-item {
    flex: 1;
}

/* ===== Product Placeholders ===== */
.product-placeholder {
    width: 100%;
    aspect-ratio: 2/3;
    border-radius: var(--radius-md);
    background: var(--color-grey-light);
    border: 2px solid var(--color-grey);
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    overflow: hidden;
}

.product-placeholder::after {
    content: 'Product Image';
    font-size: 0.875rem;
    color: var(--color-grey-mid);
    font-weight: 500;
}

.crisps-placeholder {
    border-color: var(--color-teal);
}

.clouds-placeholder {
    border-color: var(--color-lime);
}

.crisps-placeholder-large,
.clouds-placeholder-large {
    aspect-ratio: 3/4;
    max-width: 300px;
    margin: 0 auto var(--spacing-md);
}

.crisps-placeholder-large {
    border-color: var(--color-teal);
}

.clouds-placeholder-large {
    border-color: var(--color-lime);
}

.product-teal { border-color: var(--color-teal); }
.product-orange { border-color: var(--color-orange); }
.product-violet { border-color: var(--color-violet); }
.product-lime { border-color: var(--color-lime); }
.product-aqua { border-color: var(--color-aqua); }
.product-coral { border-color: var(--color-coral); }

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

section h2 {
    text-align: center;
    margin-bottom: var(--spacing-sm);
}

.section-intro {
    text-align: center;
    font-size: 1.125rem;
    color: var(--color-grey-dark);
    max-width: 800px;
    margin: 0 auto var(--spacing-lg);
}

/* ===== Brand Pillars ===== */
.pillars {
    background: var(--color-bg);
}

.pillars-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--spacing-lg);
}

.pillar {
    text-align: center;
    padding: var(--spacing-md);
}

.pillar-icon {
    width: 64px;
    height: 64px;
    margin: 0 auto var(--spacing-md);
    color: var(--color-teal);
}

.pillar h3 {
    margin-bottom: var(--spacing-sm);
}

.pillar p {
    color: var(--color-grey-dark);
    margin-bottom: 0;
}

/* ===== Product Family ===== */
.family-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
    gap: var(--spacing-lg);
}

.family-card {
    background: var(--color-white);
    border: 2px solid var(--color-grey);
    border-radius: var(--radius-lg);
    padding: var(--spacing-md);
    text-align: center;
}

.family-card h3 {
    margin-bottom: var(--spacing-sm);
}

.family-card p {
    color: var(--color-grey-dark);
    margin-bottom: var(--spacing-md);
}

.family-bullets {
    list-style: none;
    margin-bottom: var(--spacing-md);
    text-align: left;
}

.family-bullets li {
    padding: 0.5rem 0;
    padding-left: 1.5rem;
    position: relative;
    color: var(--color-grey-dark);
}

.family-bullets li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: var(--color-teal);
    font-weight: 700;
}

/* ===== Product Lineup ===== */
.product-lineup {
    background: var(--color-bg);
}

.products-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: var(--spacing-lg);
}

.product-card {
    background: var(--color-white);
    border: 2px solid var(--color-grey);
    border-radius: var(--radius-lg);
    padding: var(--spacing-md);
    text-align: center;
    position: relative;
    overflow: hidden;
}

.product-accent {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
}

.accent-teal { background: var(--color-teal); }
.accent-orange { background: var(--color-orange); }
.accent-violet { background: var(--color-violet); }
.accent-lime { background: var(--color-lime); }
.accent-aqua { background: var(--color-aqua); }
.accent-coral { background: var(--color-coral); }

.product-image {
    margin-bottom: var(--spacing-md);
}

.product-card h3 {
    margin-bottom: var(--spacing-xs);
}

.product-tagline {
    font-style: italic;
    color: var(--color-grey-mid);
    font-size: 0.95rem;
    margin-bottom: var(--spacing-sm);
}

.product-description {
    color: var(--color-grey-dark);
    margin-bottom: var(--spacing-md);
    font-size: 0.95rem;
}

.product-icons {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-xs);
    justify-content: center;
    margin-bottom: var(--spacing-md);
}

.product-icons span {
    font-size: 0.75rem;
    padding: 0.25rem 0.75rem;
    background: var(--color-grey-light);
    border-radius: var(--radius-sm);
    color: var(--color-grey-dark);
    font-weight: 500;
}

/* ===== RX Dosing Section ===== */
.rx-dosing {
    background: var(--color-white);
}

.rx-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
    gap: var(--spacing-lg);
}

.rx-card {
    border: 2px solid var(--color-black);
    border-radius: var(--radius-md);
    padding: var(--spacing-md);
    background: var(--color-white);
}

.rx-card h3 {
    font-size: 1.25rem;
    margin-bottom: var(--spacing-md);
    padding-bottom: var(--spacing-sm);
    border-bottom: 1px solid var(--color-grey);
}

.rx-content p {
    font-size: 0.95rem;
    line-height: 1.8;
    margin-bottom: var(--spacing-sm);
}

.rx-content strong {
    color: var(--color-black);
    font-weight: 600;
}

/* ===== FAQ Section ===== */
.faq {
    background: var(--color-bg);
}

.faq-grid {
    display: grid;
    gap: var(--spacing-md);
    max-width: 900px;
    margin: 0 auto;
}

.faq-item {
    background: var(--color-white);
    padding: var(--spacing-md);
    border-radius: var(--radius-md);
    border: 1px solid var(--color-grey);
}

.faq-item h3 {
    font-size: 1.125rem;
    margin-bottom: var(--spacing-sm);
}

.faq-item p {
    color: var(--color-grey-dark);
    margin-bottom: 0;
}

/* ===== Final CTA ===== */
.final-cta {
    text-align: center;
    padding: var(--spacing-xl) 0;
    background: 
        linear-gradient(90deg, rgba(224, 224, 224, 0.1) 1px, transparent 1px),
        linear-gradient(rgba(224, 224, 224, 0.1) 1px, transparent 1px);
    background-size: 40px 40px;
}

.final-cta h2 {
    margin-bottom: var(--spacing-sm);
}

.final-cta p {
    font-size: 1.125rem;
    color: var(--color-grey-dark);
    margin-bottom: var(--spacing-md);
}

.cta-buttons {
    display: flex;
    gap: var(--spacing-sm);
    justify-content: center;
    flex-wrap: wrap;
}

/* ===== Footer ===== */
.footer {
    background: var(--color-black);
    color: var(--color-white);
    padding: var(--spacing-lg) 0 var(--spacing-md);
}

.footer-content {
    display: grid;
    grid-template-columns: 1fr 2fr;
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-md);
}

.footer-brand .logo {
    color: var(--color-white);
    margin-bottom: var(--spacing-sm);
}

.footer-brand p {
    color: var(--color-grey-mid);
}

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

.footer-column h4 {
    color: var(--color-white);
    font-size: 1rem;
    margin-bottom: var(--spacing-sm);
}

.footer-column a {
    display: block;
    color: var(--color-grey-mid);
    font-size: 0.95rem;
    margin-bottom: 0.5rem;
}

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

.footer-bottom {
    text-align: center;
    padding-top: var(--spacing-md);
    border-top: 1px solid var(--color-grey-dark);
}

.footer-bottom p {
    color: var(--color-grey-mid);
    font-size: 0.875rem;
    margin: 0;
}

/* ===== Responsive Design ===== */
@media (max-width: 968px) {
    .hero-content {
        grid-template-columns: 1fr;
    }
    
    .family-grid {
        grid-template-columns: 1fr;
    }
    
    .products-grid {
        grid-template-columns: 1fr;
    }
    
    .rx-grid {
        grid-template-columns: 1fr;
    }
    
    .footer-content {
        grid-template-columns: 1fr;
    }
    
    .footer-links {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 768px) {
    .nav-links {
        gap: var(--spacing-sm);
    }
    
    .nav-links a {
        font-size: 0.875rem;
    }
    
    .hero-ctas {
        flex-direction: column;
    }
    
    .hero-ctas .btn {
        width: 100%;
    }
    
    .product-showcase {
        flex-direction: column;
    }
    
    .pillars-grid {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 480px) {
    :root {
        --spacing-lg: 3rem;
        --spacing-xl: 4rem;
    }
    
    .container {
        padding: 0 var(--spacing-sm);
    }
    
    .nav-links a:not(.btn-nav) {
        display: none;
    }
    
    h1 {
        font-size: 2rem;
    }
    
    h2 {
        font-size: 1.75rem;
    }
}