/* Radical Wellness v2 - Redesigned with SEO Best Practices */

:root {
    /* Brand Colors */
    --color-bg: #000000;
    --color-bg-elevated: #080808;
    --color-bg-surface: #0d0d0d;
    --color-bg-card: #141414;
    --color-accent: #C41E3A;
    --color-accent-hover: #a01830;
    --color-accent-glow: rgba(196, 30, 58, 0.25);
    --color-text: #FFFFFF;
    --color-text-secondary: #a8a8a8;
    --color-text-muted: #666666;
    --color-border: #222222;
    --color-border-hover: #333333;

    /* Typography - Based on research: 18px base, fluid scaling */
    --font-heading: 'Montserrat', sans-serif;
    --font-body: 'Inter', sans-serif;

    /* Fluid Typography using clamp() */
    --text-xs: clamp(0.75rem, 0.7rem + 0.25vw, 0.875rem);
    --text-sm: clamp(0.875rem, 0.8rem + 0.35vw, 1rem);
    --text-base: clamp(1rem, 0.9rem + 0.5vw, 1.125rem);
    --text-lg: clamp(1.125rem, 1rem + 0.6vw, 1.25rem);
    --text-xl: clamp(1.25rem, 1.1rem + 0.75vw, 1.5rem);
    --text-2xl: clamp(1.5rem, 1.25rem + 1.25vw, 2rem);
    --text-3xl: clamp(2rem, 1.5rem + 2.5vw, 3rem);
    --text-4xl: clamp(2.5rem, 2rem + 3vw, 4rem);

    /* Spacing */
    --space-xs: 4px;
    --space-sm: 8px;
    --space-md: 16px;
    --space-lg: 24px;
    --space-xl: 32px;
    --space-2xl: 48px;
    --space-3xl: 64px;
    --space-4xl: 96px;

    /* Layout */
    --max-width: 1200px;
    --header-height: 80px;

    /* Border Radius */
    --radius-sm: 6px;
    --radius: 12px;
    --radius-lg: 20px;
    --radius-full: 9999px;

    /* Transitions */
    --transition-fast: 0.15s ease;
    --transition: 0.3s ease;
    --transition-slow: 0.5s ease;
}

/* Reset */
*, *::before, *::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

body {
    font-family: var(--font-body);
    font-size: var(--text-base);
    background-color: var(--color-bg);
    color: var(--color-text);
    min-height: 100vh;
    line-height: 1.6;
}

h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-heading);
    font-weight: 700;
    line-height: 1.2;
    letter-spacing: -0.02em;
}

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

a:hover {
    color: var(--color-text);
}

/* Focus states */
a:focus-visible,
button:focus-visible {
    outline: 2px solid var(--color-accent);
    outline-offset: 3px;
    border-radius: var(--radius-sm);
}

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

/* ==================== HEADER ==================== */
.header {
    position: sticky;
    top: 0;
    z-index: 1000;
    background: rgba(0, 0, 0, 0.95);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--color-border);
    height: var(--header-height);
}

.header-inner {
    max-width: var(--max-width);
    height: 100%;
    margin: 0 auto;
    padding: 0 var(--space-lg);
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: var(--space-xl);
}

.header-logo {
    height: 70px;
    width: auto;
    flex-shrink: 0;
}

.header-logo-icon {
    display: none;
    height: 50px;
    width: auto;
}

.header-nav {
    display: flex;
    gap: var(--space-xl);
    align-items: center;
}

.header-nav a {
    color: var(--color-text-secondary);
    font-size: var(--text-sm);
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    padding: var(--space-sm) 0;
    position: relative;
    transition: color var(--transition-fast);
}

.header-nav a::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--color-accent);
    transition: width var(--transition);
}

.header-nav a:hover {
    color: var(--color-text);
}

.header-nav a:hover::after {
    width: 100%;
}

.header-cta {
    display: flex;
    align-items: center;
    gap: var(--space-md);
}

/* Mobile Menu Button */
.menu-toggle {
    display: none;
    background: none;
    border: none;
    cursor: pointer;
    padding: var(--space-sm);
    color: var(--color-text);
}

.menu-toggle svg {
    width: 28px;
    height: 28px;
    fill: currentColor;
}

/* Social Icons */
.social-icons {
    display: flex;
    gap: var(--space-sm);
    align-items: center;
}

.social-icon {
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: transparent;
    border-radius: var(--radius-full);
    color: var(--color-text-secondary);
    transition: all var(--transition);
    border: 1px solid transparent;
}

.social-icon:hover {
    background: var(--color-accent);
    color: var(--color-text);
    transform: translateY(-2px);
}

.social-icon svg {
    width: 20px;
    height: 20px;
    fill: currentColor;
}

/* Footer Social Icons Alignment */
.footer-brand .social-icons {
    justify-content: flex-start;
}

/* ==================== BUY ME A COFFEE BUTTON ==================== */
.btn-coffee {
    background: #FFDD00;
    color: #000;
    border-color: #FFDD00;
    font-weight: 600;
}

.btn-coffee:hover {
    background: #FFE933;
    border-color: #FFE933;
    color: #000;
    transform: translateY(-2px);
    box-shadow: 0 10px 30px rgba(255, 221, 0, 0.3);
}

.btn-coffee svg {
    width: 20px;
    height: 20px;
    margin-right: 8px;
    vertical-align: middle;
    fill: currentColor;
}

/* ==================== HERO SECTION ==================== */
.hero {
    min-height: calc(100vh - var(--header-height));
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    text-align: center;
    padding: var(--space-3xl) var(--space-lg);
    background:
        radial-gradient(ellipse at 50% 0%, var(--color-accent-glow) 0%, transparent 50%),
        linear-gradient(180deg, var(--color-bg) 0%, var(--color-bg-surface) 100%);
}

.hero-content {
    max-width: 900px;
}

.hero-tagline {
    display: inline-block;
    font-size: var(--text-xs);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.15em;
    color: var(--color-accent);
    margin-bottom: var(--space-lg);
    padding: var(--space-sm) var(--space-md);
    border: 1px solid var(--color-accent);
    border-radius: var(--radius-full);
}

.hero-title {
    font-size: var(--text-4xl);
    font-weight: 800;
    margin-bottom: var(--space-lg);
    background: linear-gradient(135deg, var(--color-text) 0%, var(--color-text-secondary) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-title span {
    color: var(--color-accent);
    -webkit-text-fill-color: var(--color-accent);
}

.hero-subtitle {
    font-size: var(--text-xl);
    color: var(--color-text-secondary);
    max-width: 700px;
    margin: 0 auto var(--space-2xl);
    line-height: 1.7;
}

.hero-cta {
    display: flex;
    gap: var(--space-md);
    justify-content: center;
    flex-wrap: wrap;
}

/* ==================== BUTTONS ==================== */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-sm);
    padding: var(--space-md) var(--space-xl);
    font-family: var(--font-body);
    font-size: var(--text-sm);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    text-decoration: none;
    border-radius: var(--radius);
    transition: all var(--transition);
    cursor: pointer;
    border: 2px solid transparent;
}

.btn-primary {
    background: var(--color-accent);
    color: var(--color-text);
    border-color: var(--color-accent);
}

.btn-primary:hover {
    background: var(--color-accent-hover);
    border-color: var(--color-accent-hover);
    transform: translateY(-2px);
    box-shadow: 0 10px 30px var(--color-accent-glow);
    color: var(--color-text);
}

.btn-outline {
    background: transparent;
    color: var(--color-text);
    border-color: var(--color-border);
}

.btn-outline:hover {
    border-color: var(--color-accent);
    color: var(--color-accent);
    background: rgba(196, 30, 58, 0.1);
}

.btn-lg {
    padding: var(--space-lg) var(--space-2xl);
    font-size: var(--text-base);
}

/* ==================== SECTIONS ==================== */
.section {
    padding: var(--space-4xl) var(--space-lg);
    max-width: var(--max-width);
    margin: 0 auto;
}

.section-header {
    text-align: center;
    margin-bottom: var(--space-3xl);
}

.section-label {
    display: inline-block;
    font-size: var(--text-xs);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.15em;
    color: var(--color-accent);
    margin-bottom: var(--space-md);
}

.section-title {
    font-size: var(--text-3xl);
    margin-bottom: var(--space-md);
}

.section-subtitle {
    font-size: var(--text-lg);
    color: var(--color-text-secondary);
    max-width: 600px;
    margin: 0 auto;
}

/* ==================== CARDS GRID ==================== */
.cards-grid {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-lg);
    justify-content: center;
}

.cards-grid .card {
    flex: 0 1 340px;
    max-width: 400px;
}

/* Specialized Grid Layouts */
.cards-grid-services {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-lg);
    max-width: 900px;
    margin: 0 auto;
    justify-items: stretch;
}

.cards-grid-downloads {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-lg);
    max-width: 800px;
    margin: 0 auto;
    justify-items: stretch;
}

.cards-grid-single {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--space-lg);
    max-width: 800px;
    margin: 0 auto;
    justify-items: center;
}

/* Grid for 2 items - always 2 columns centered */
.cards-grid-2 {
    display: grid;
    grid-template-columns: repeat(2, minmax(280px, 400px));
    gap: var(--space-lg);
    justify-content: center;
}

/* Grid for 3 items - always 3 columns, full width */
.cards-grid-3 {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-lg);
    max-width: var(--max-width);
    margin: 0 auto;
}

/* Grid for 4 items - 2x2 layout centered */
.cards-grid-4 {
    display: grid;
    grid-template-columns: repeat(2, minmax(280px, 420px));
    gap: var(--space-lg);
    justify-content: center;
}

.card {
    background: var(--color-bg-card);
    border-radius: var(--radius-lg);
    padding: var(--space-xl);
    border: 1px solid var(--color-border);
    transition: all var(--transition);
    text-decoration: none;
    color: var(--color-text);
    display: flex;
    flex-direction: column;
    position: relative;
    overflow: hidden;
}

.card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: var(--color-accent);
    transform: scaleX(0);
    transform-origin: left;
    transition: transform var(--transition);
}

.card:hover {
    border-color: var(--color-border-hover);
    transform: translateY(-6px);
    box-shadow: 0 20px 50px rgba(0, 0, 0, 0.4);
}

.card:hover::before {
    transform: scaleX(1);
}

.card-icon {
    width: 56px;
    height: 56px;
    background: linear-gradient(135deg, var(--color-accent) 0%, var(--color-accent-hover) 100%);
    border-radius: var(--radius);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: var(--space-lg);
}

.card-icon svg {
    width: 28px;
    height: 28px;
    fill: var(--color-text);
}

.card-title {
    font-size: var(--text-xl);
    font-weight: 700;
    margin-bottom: var(--space-sm);
    font-family: var(--font-heading);
}

.card-desc {
    color: var(--color-text-secondary);
    font-size: var(--text-base);
    flex-grow: 1;
    line-height: 1.7;
}

.card-link {
    margin-top: var(--space-lg);
    color: var(--color-accent);
    font-weight: 600;
    font-size: var(--text-sm);
    display: flex;
    align-items: center;
    gap: var(--space-xs);
    transition: gap var(--transition);
}

.card:hover .card-link {
    gap: var(--space-sm);
}

/* Featured Card */
.card-featured {
    background: linear-gradient(135deg, var(--color-bg-card) 0%, #1a1215 100%);
    border-color: var(--color-accent);
}

.card-featured::before {
    transform: scaleX(1);
}

/* ==================== PAGE HEADER ==================== */
.page-header {
    text-align: center;
    padding: var(--space-3xl) var(--space-lg);
    background: linear-gradient(180deg, var(--color-bg) 0%, var(--color-bg-surface) 100%);
}

.page-title {
    font-size: var(--text-3xl);
    margin-bottom: var(--space-md);
}

.page-subtitle {
    font-size: var(--text-lg);
    color: var(--color-text-secondary);
    max-width: 600px;
    margin: 0 auto;
}

/* ==================== CONTENT SECTIONS ==================== */
.content-section {
    max-width: 800px;
    margin: 0 auto;
}

.content-section h2 {
    color: var(--color-accent);
    font-size: var(--text-2xl);
    margin-bottom: var(--space-md);
    margin-top: var(--space-2xl);
}

.content-section h3 {
    font-size: var(--text-xl);
    margin-top: var(--space-xl);
    margin-bottom: var(--space-md);
}

.content-section p {
    margin-bottom: var(--space-md);
    color: var(--color-text-secondary);
    line-height: 1.8;
}

.content-section ul,
.content-section ol {
    margin-left: var(--space-lg);
    margin-bottom: var(--space-md);
    color: var(--color-text-secondary);
}

.content-section li {
    margin-bottom: var(--space-sm);
    line-height: 1.7;
}

.content-section strong {
    color: var(--color-text);
}

/* ==================== FOOTER ==================== */
.footer {
    background: var(--color-bg-elevated);
    border-top: 1px solid var(--color-border);
}

/* Footer Support Call-out */
.footer-support {
    background: linear-gradient(135deg, var(--color-accent) 0%, #a01830 100%);
    padding: var(--space-xl) var(--space-lg);
    text-align: center;
}

.footer-support p {
    color: white;
    margin: 0 0 var(--space-sm) 0;
    font-size: var(--text-lg);
    font-weight: 600;
}

.footer-support .btn {
    min-width: 240px;
}

.footer-support .btn svg {
    width: 18px;
    height: 18px;
    margin-right: 6px;
    vertical-align: middle;
    fill: currentColor;
}

.footer-inner {
    padding: var(--space-3xl) var(--space-lg);
    max-width: var(--max-width);
    margin: 0 auto;
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: var(--space-3xl);
}

.footer-brand {
    max-width: 280px;
}

.footer-logo {
    height: 40px;
    width: auto;
    margin-bottom: var(--space-md);
}

.footer-desc {
    color: var(--color-text-muted);
    font-size: var(--text-sm);
    margin-bottom: var(--space-lg);
    line-height: 1.7;
}

.footer-section h4 {
    font-family: var(--font-body);
    font-size: var(--text-xs);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--color-text-muted);
    margin-bottom: var(--space-lg);
}

.footer-links {
    list-style: none;
}

.footer-links li {
    margin-bottom: var(--space-sm);
}

.footer-links a {
    color: var(--color-text-secondary);
    font-size: var(--text-sm);
    transition: color var(--transition-fast);
}

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

.footer-bottom {
    max-width: var(--max-width);
    margin: var(--space-2xl) auto 0;
    padding-top: var(--space-lg);
    border-top: 1px solid var(--color-border);
    display: flex;
    justify-content: space-between;
    align-items: center;
    color: var(--color-text-muted);
    font-size: var(--text-xs);
}

/* ==================== UTILITIES ==================== */
.text-center { text-align: center; }
.text-accent { color: var(--color-accent); }
.text-muted { color: var(--color-text-secondary); }

/* ==================== RESPONSIVE ==================== */
@media (max-width: 1024px) {
    .footer-inner {
        grid-template-columns: 1fr 1fr;
        gap: var(--space-2xl);
    }

    .header-nav {
        display: none;
    }

    .menu-toggle {
        display: flex;
    }
}

@media (max-width: 768px) {
    :root {
        --header-height: 70px;
    }

    .header-logo {
        display: none;
    }

    .header-logo-icon {
        display: block;
    }

    .hero {
        min-height: auto;
        padding: var(--space-2xl) var(--space-lg);
    }

    .section {
        padding: var(--space-3xl) var(--space-lg);
    }

    .cards-grid .card {
        flex: 0 0 100%;
        max-width: 100%;
    }

    .cards-grid-services,
    .cards-grid-downloads,
    .cards-grid-2,
    .cards-grid-3,
    .cards-grid-4 {
        grid-template-columns: 1fr;
    }

    .footer-inner {
        grid-template-columns: 1fr;
        text-align: center;
        gap: var(--space-xl);
    }

    .footer-brand {
        max-width: 100%;
    }

    .footer-bottom {
        flex-direction: column;
        gap: var(--space-md);
        text-align: center;
    }

    .social-icons {
        justify-content: center;
    }

    .hero-cta {
        flex-direction: column;
        align-items: center;
    }

    .btn {
        width: 100%;
        max-width: 300px;
    }
}

@media (max-width: 480px) {
    .header-inner {
        padding: 0 var(--space-md);
    }

    .section {
        padding: var(--space-2xl) var(--space-md);
    }

    .card {
        padding: var(--space-lg);
    }
}