/* CLT Startup House - Styles */
/* Charlotte Hornets inspired: Purple & Teal */

/* ==================== */
/* CSS Custom Properties */
/* ==================== */
:root {
    /* Colors - Charlotte Hornets palette */
    --color-primary: #1D1160;
    --color-primary-light: #2D2187;
    --color-primary-dark: #120A40;
    --color-accent: #00788C;
    --color-accent-light: #00A0B0;
    --color-white: #ffffff;
    --color-gray-50: #f8f7fc;
    --color-gray-100: #f0eef7;
    --color-gray-200: #e2e0ed;
    --color-gray-300: #c9c6db;
    --color-gray-500: #6b6880;
    --color-gray-600: #4a4760;
    --color-gray-700: #2d2b40;
    --color-gray-800: #1a1930;
    --color-gray-900: #12111f;

    /* Typography */
    --font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    --font-family-heading: 'Playfair Display', Georgia, 'Times New Roman', serif;
    --font-size-sm: 0.875rem;
    --font-size-base: 1rem;
    --font-size-lg: 1.125rem;
    --font-size-xl: 1.25rem;
    --font-size-2xl: 1.5rem;
    --font-size-3xl: 1.875rem;
    --font-size-4xl: 2.25rem;
    --font-size-5xl: 3rem;
    --font-size-6xl: 3.75rem;

    /* Spacing */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 1.5rem;
    --spacing-lg: 2rem;
    --spacing-xl: 3rem;
    --spacing-2xl: 4rem;
    --spacing-3xl: 6rem;

    /* Layout */
    --max-width: 1200px;
    --max-width-narrow: 800px;

    /* Transitions */
    --transition-fast: 150ms ease;
    --transition-base: 200ms ease;
}

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

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

body {
    font-family: var(--font-family);
    font-size: var(--font-size-base);
    line-height: 1.6;
    color: var(--color-gray-700);
    background-color: var(--color-white);
}

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

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

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

ul, ol {
    padding-left: var(--spacing-lg);
}

li {
    margin-bottom: var(--spacing-xs);
}

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

.container-narrow {
    max-width: var(--max-width-narrow);
}

.section {
    padding: var(--spacing-3xl) 0;
}

.section-alt {
    background: linear-gradient(135deg, var(--color-primary-dark) 0%, var(--color-primary) 100%);
    color: var(--color-white);
}

.section-alt .section-title,
.section-alt h2,
.section-alt h3 {
    color: var(--color-white);
}

.section-alt .section-content p,
.section-alt p {
    color: rgba(255, 255, 255, 0.85);
}

.section-alt .concept-card {
    background-color: rgba(255, 255, 255, 0.1);
    border-color: rgba(255, 255, 255, 0.2);
}

.section-alt .concept-card:hover {
    background-color: rgba(255, 255, 255, 0.15);
    border-color: rgba(255, 255, 255, 0.3);
}

.section-alt .concept-icon {
    background-color: rgba(255, 255, 255, 0.15);
    color: var(--color-accent-light);
}

.section-alt .concept-card p {
    color: rgba(255, 255, 255, 0.75);
}

/* ==================== */
/* Typography           */
/* ==================== */
h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-family-heading);
    font-weight: 700;
    line-height: 1.2;
    color: var(--color-gray-900);
}

.section-title {
    font-size: var(--font-size-4xl);
    margin-bottom: var(--spacing-md);
    text-align: center;
}

.section-subtitle {
    font-size: var(--font-size-xl);
    color: var(--color-gray-600);
    text-align: center;
    margin-bottom: var(--spacing-lg);
}

.section-content {
    max-width: 700px;
    margin: 0 auto;
}

.section-content p {
    font-size: var(--font-size-lg);
    margin-bottom: var(--spacing-md);
    color: var(--color-gray-600);
}

.section-content p:last-child {
    margin-bottom: 0;
}

/* ==================== */
/* Vision Section       */
/* ==================== */
.vision-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-2xl);
    align-items: center;
}

.vision-content {
    text-align: left;
}

.vision-title {
    font-size: var(--font-size-4xl);
    margin-bottom: var(--spacing-sm);
    color: var(--color-gray-900);
}

.vision-subtitle {
    font-size: var(--font-size-xl);
    color: var(--color-accent);
    margin-bottom: var(--spacing-lg);
    font-weight: 600;
}

.vision-content p {
    font-size: var(--font-size-lg);
    margin-bottom: var(--spacing-md);
    color: var(--color-gray-600);
}

.vision-content p:last-child {
    margin-bottom: 0;
}

.vision-image img {
    width: 100%;
    border-radius: 12px;
    box-shadow: 0 8px 30px rgba(0, 0, 0, 0.12);
}

/* ==================== */
/* Navigation           */
/* ==================== */
.nav {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 100;
    background-color: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--color-gray-200);
}

.nav-container {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: var(--spacing-sm) var(--spacing-md);
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.nav-logo {
    font-family: var(--font-family-heading);
    font-size: var(--font-size-xl);
    font-weight: 700;
    color: var(--color-primary);
}

.nav-logo:hover {
    color: var(--color-primary);
}

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

.nav-links a {
    color: var(--color-gray-600);
    font-weight: 500;
    font-size: var(--font-size-sm);
}

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

.nav-cta {
    background-color: var(--color-accent);
    color: var(--color-white) !important;
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: 6px;
}

.nav-cta:hover {
    background-color: var(--color-accent-light);
    color: var(--color-white) !important;
}

.nav-toggle {
    display: none;
    flex-direction: column;
    gap: 4px;
    background: none;
    border: none;
    cursor: pointer;
    padding: var(--spacing-xs);
}

.nav-toggle span {
    display: block;
    width: 24px;
    height: 2px;
    background-color: var(--color-gray-700);
    transition: var(--transition-base);
}

/* ==================== */
/* Hero Section         */
/* ==================== */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    padding: var(--spacing-3xl) var(--spacing-md);
    padding-top: calc(var(--spacing-3xl) + 60px);
    background:
        linear-gradient(180deg, rgba(29, 17, 96, 0.85) 0%, rgba(18, 10, 64, 0.9) 100%),
        url('https://images.unsplash.com/photo-1674230227190-05b589f2f730?w=1920&q=80');
    background-size: cover;
    background-position: center;
    background-attachment: fixed;
}

.hero-title {
    font-size: var(--font-size-6xl);
    font-weight: 800;
    color: var(--color-white);
    margin-bottom: var(--spacing-md);
    letter-spacing: -0.02em;
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.3);
}

.hero-subtitle {
    font-size: var(--font-size-xl);
    color: rgba(255, 255, 255, 0.9);
    max-width: 600px;
    margin: 0 auto var(--spacing-xl);
    line-height: 1.5;
}

.hero-ctas {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-md);
    flex-wrap: wrap;
    margin-bottom: var(--spacing-md);
}

.hero-note {
    font-size: var(--font-size-sm);
    color: rgba(255, 255, 255, 0.7);
}

.hero-note a {
    color: rgba(255, 255, 255, 0.7);
    text-decoration: underline;
}

.hero-note a:hover {
    color: var(--color-white);
}

.hero .btn-text {
    color: rgba(255, 255, 255, 0.85);
}

.hero .btn-text:hover {
    color: var(--color-white);
}

.hero .btn-secondary {
    background-color: var(--color-white);
    color: var(--color-primary);
    border-color: var(--color-white);
}

.hero .btn-secondary:hover {
    background-color: rgba(255, 255, 255, 0.9);
    border-color: rgba(255, 255, 255, 0.9);
    color: var(--color-primary);
}

/* ==================== */
/* Buttons              */
/* ==================== */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: var(--spacing-sm) var(--spacing-lg);
    font-family: var(--font-family);
    font-size: var(--font-size-base);
    font-weight: 600;
    border-radius: 8px;
    border: 2px solid transparent;
    cursor: pointer;
    transition: all var(--transition-base);
    text-decoration: none;
}

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

.btn-primary:hover {
    background-color: var(--color-accent-light);
    border-color: var(--color-accent-light);
    color: var(--color-white);
}

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

.btn-secondary:hover {
    background-color: var(--color-primary);
    color: var(--color-white);
}

.btn-text {
    color: var(--color-gray-600);
    font-weight: 500;
    text-decoration: underline;
    text-underline-offset: 3px;
}

.btn-text:hover {
    color: var(--color-primary);
}

/* ==================== */
/* Concept Grid         */
/* ==================== */
.concept-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-lg);
    margin-top: var(--spacing-xl);
}

.concept-card {
    background-color: var(--color-white);
    padding: var(--spacing-lg);
    border-radius: 12px;
    text-align: center;
    border: 1px solid var(--color-gray-200);
    transition: all var(--transition-base);
}

.concept-card:hover {
    border-color: var(--color-gray-300);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.05);
}

.concept-icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 64px;
    height: 64px;
    background-color: var(--color-gray-100);
    border-radius: 12px;
    margin-bottom: var(--spacing-sm);
    color: var(--color-primary);
}

.concept-card h3 {
    font-size: var(--font-size-lg);
    margin-bottom: var(--spacing-xs);
}

.concept-card p {
    font-size: var(--font-size-sm);
    color: var(--color-gray-600);
}

/* ==================== */
/* Interest Grid        */
/* ==================== */
.interest-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-lg);
    margin-top: var(--spacing-xl);
}

.interest-grid-2col {
    grid-template-columns: repeat(2, 1fr);
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
}

.interest-card {
    background-color: var(--color-gray-50);
    padding: var(--spacing-xl);
    border-radius: 12px;
    text-align: center;
}

.interest-card h3 {
    font-size: var(--font-size-2xl);
    margin-bottom: var(--spacing-sm);
    color: var(--color-primary);
}

.interest-card p {
    color: var(--color-gray-600);
    margin-bottom: var(--spacing-md);
}

.interest-card .btn {
    width: 100%;
}

/* ==================== */
/* Subscribe Section    */
/* ==================== */
.subscribe-section {
    text-align: center;
    max-width: 600px;
    margin: 0 auto;
}

.subscribe-form-wrapper {
    margin-top: var(--spacing-lg);
}

.beehiiv-form {
    display: flex;
    gap: var(--spacing-xs);
}

.beehiiv-form-inline {
    max-width: 450px;
    margin: 0 auto;
}

.beehiiv-form input[type="email"] {
    flex: 1;
    padding: var(--spacing-sm);
    font-family: var(--font-family);
    font-size: var(--font-size-base);
    border: 2px solid var(--color-gray-300);
    border-radius: 8px;
    outline: none;
    transition: border-color var(--transition-fast);
}

.beehiiv-form input[type="email"]:focus {
    border-color: var(--color-primary);
}

.beehiiv-form .btn {
    flex-shrink: 0;
}

.form-note {
    font-size: var(--font-size-sm);
    color: var(--color-gray-500);
    margin-top: var(--spacing-xs);
}

/* Subscribe on dark background */
.section-alt .beehiiv-form input[type="email"] {
    background-color: rgba(255, 255, 255, 0.95);
    border-color: rgba(255, 255, 255, 0.3);
}

.section-alt .beehiiv-form input[type="email"]:focus {
    border-color: var(--color-accent-light);
}

.section-alt .form-note {
    color: rgba(255, 255, 255, 0.6);
}

.form-success {
    color: #10b981 !important;
}

.form-error {
    color: #ef4444 !important;
}

.section-alt .form-success {
    color: #6ee7b7 !important;
}

.section-alt .form-error {
    color: #fca5a5 !important;
}

.section-alt .section-subtitle {
    color: rgba(255, 255, 255, 0.85);
}

/* Beehiiv Embed */
.beehiiv-embed {
    width: 100%;
    max-width: 480px;
    height: 280px;
    margin: 0 auto;
    display: block;
    background-color: transparent;
    border-radius: 8px;
}

/* ==================== */
/* Footer               */
/* ==================== */
.footer {
    background-color: var(--color-gray-900);
    color: var(--color-gray-300);
    padding: var(--spacing-xl) 0;
}

.footer-content {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding-bottom: var(--spacing-md);
    border-bottom: 1px solid var(--color-gray-700);
    margin-bottom: var(--spacing-md);
}

.footer-logo {
    font-size: var(--font-size-lg);
    font-weight: 700;
    color: var(--color-white);
    margin-bottom: var(--spacing-xs);
}

.footer-tagline {
    font-size: var(--font-size-sm);
    color: var(--color-gray-500);
}

.footer-tagline a {
    color: var(--color-gray-400);
}

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

.footer-links {
    display: flex;
    gap: var(--spacing-lg);
}

.footer-links a {
    color: var(--color-gray-400);
    font-size: var(--font-size-sm);
}

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

.footer-bottom {
    text-align: center;
}

.footer-bottom p {
    font-size: var(--font-size-sm);
    color: var(--color-gray-500);
}

/* ==================== */
/* Terms Page           */
/* ==================== */
.terms-page {
    padding-top: calc(var(--spacing-3xl) + 60px);
}

.page-title {
    font-size: var(--font-size-5xl);
    color: var(--color-primary);
    margin-bottom: var(--spacing-sm);
}

.terms-updated {
    color: var(--color-gray-500);
    font-size: var(--font-size-sm);
    margin-bottom: var(--spacing-xl);
}

.terms-content h2 {
    font-size: var(--font-size-xl);
    margin-top: var(--spacing-xl);
    margin-bottom: var(--spacing-sm);
    color: var(--color-gray-800);
}

.terms-content h2:first-child {
    margin-top: 0;
}

.terms-content p {
    margin-bottom: var(--spacing-sm);
    color: var(--color-gray-600);
}

.terms-content ul {
    margin-bottom: var(--spacing-sm);
    color: var(--color-gray-600);
}

.terms-content li {
    margin-bottom: var(--spacing-xs);
}

.terms-cta {
    margin-top: var(--spacing-xl);
    padding-top: var(--spacing-xl);
    border-top: 1px solid var(--color-gray-200);
}

/* ==================== */
/* Responsive           */
/* ==================== */
@media (max-width: 968px) {
    .concept-grid,
    .interest-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    :root {
        --font-size-5xl: 2.5rem;
        --font-size-6xl: 3rem;
        --font-size-4xl: 2rem;
    }

    .nav-links {
        display: none;
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        flex-direction: column;
        background-color: var(--color-white);
        padding: var(--spacing-md);
        border-bottom: 1px solid var(--color-gray-200);
        gap: var(--spacing-sm);
    }

    .nav-links.active {
        display: flex;
    }

    .nav-toggle {
        display: flex;
    }

    .nav-cta {
        width: 100%;
        text-align: center;
    }

    .hero {
        min-height: auto;
        padding-top: calc(var(--spacing-2xl) + 60px);
        padding-bottom: var(--spacing-2xl);
    }

    .hero-title {
        font-size: var(--font-size-5xl);
    }

    .hero-subtitle br {
        display: none;
    }

    .hero-ctas {
        flex-direction: column;
        gap: var(--spacing-sm);
    }

    .hero-ctas .btn {
        width: 100%;
    }

    .section-title br {
        display: none;
    }

    .concept-grid,
    .interest-grid {
        grid-template-columns: 1fr;
    }

    .vision-grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-xl);
    }

    .vision-content {
        text-align: center;
    }

    .vision-image {
        order: -1;
    }

    .beehiiv-form {
        flex-direction: column;
    }

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

    .footer-links {
        justify-content: center;
    }
}

@media (max-width: 480px) {
    :root {
        --font-size-5xl: 2rem;
        --font-size-6xl: 2.5rem;
        --font-size-4xl: 1.75rem;
    }

    .section {
        padding: var(--spacing-2xl) 0;
    }

    .hero-title br {
        display: none;
    }
}