/* ==========================================================================
   CSS Custom Properties
   ========================================================================== */

:root {
    --color-bg: #0a0a0a;
    --color-bg-elevated: rgba(255, 255, 255, 0.05);
    --color-bg-overlay: rgba(10, 10, 10, 0.9);
    --color-text: #ffffff;
    --color-text-muted: #a0a0a0;
    --color-text-subtle: #8a8a8a;
    --color-accent-green: #00ff87;
    --color-accent-blue: #60efff;
    --color-accent-cyan: #00d9ff;
    --color-error: #ff4444;
    --gradient-brand: linear-gradient(45deg, var(--color-accent-green), var(--color-accent-blue));
    --font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
    --transition-fast: 0.3s ease;
    --border-radius: 15px;
    --border-radius-sm: 5px;
    --border-radius-full: 50px;
}

/* ==========================================================================
   Reset & Base
   ========================================================================== */

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: var(--font-family);
}

body {
    background: var(--color-bg);
    color: var(--color-text);
    line-height: 1.6;
}

/* ==========================================================================
   Accessibility
   ========================================================================== */

.skip-link {
    position: absolute;
    top: -50px;
    left: 0;
    padding: 0.5rem 1rem;
    background: var(--color-accent-green);
    color: var(--color-bg);
    font-weight: bold;
    z-index: 1000;
    transition: top var(--transition-fast);
    text-decoration: none;
}

.skip-link:focus {
    top: 0;
}

/* Focus states */
a:focus-visible,
button:focus-visible,
input:focus-visible,
textarea:focus-visible {
    outline: 2px solid var(--color-accent-green);
    outline-offset: 2px;
}

/* Remove outline for mouse users */
a:focus:not(:focus-visible),
button:focus:not(:focus-visible),
input:focus:not(:focus-visible),
textarea:focus:not(:focus-visible) {
    outline: none;
}

/* Reduced motion preference */
@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}

/* ==========================================================================
   Utilities
   ========================================================================== */

.gradient-text {
    color: var(--color-accent-green); /* fallback */
    background: var(--gradient-brand);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.visually-hidden {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}

/* ==========================================================================
   Navigation
   ========================================================================== */

.nav {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    padding: 1.5rem 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    background: var(--color-bg-overlay);
    backdrop-filter: blur(10px);
    z-index: 100;
}

.logo {
    font-size: 1.5rem;
    font-weight: bold;
    display: inline-block;
}

.nav-links {
    display: flex;
    gap: 2rem;
}

.nav-links a {
    color: var(--color-text);
    text-decoration: none;
    transition: color var(--transition-fast);
}

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

/* Mobile menu button */
.mobile-menu-button {
    display: none;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    width: 44px;
    height: 44px;
    padding: 0;
    background: transparent;
    border: none;
    cursor: pointer;
}

.mobile-menu-button span {
    display: block;
    width: 25px;
    height: 3px;
    background-color: var(--color-text);
    margin: 3px 0;
    transition: all var(--transition-fast);
}

.mobile-menu-button.active span:nth-child(1) {
    transform: rotate(-45deg) translate(-6px, 6px);
}

.mobile-menu-button.active span:nth-child(2) {
    opacity: 0;
}

.mobile-menu-button.active span:nth-child(3) {
    transform: rotate(45deg) translate(-6px, -6px);
}

/* ==========================================================================
   Hero Section
   ========================================================================== */

.hero {
    min-height: 100vh;
    padding: 2rem;
    display: flex;
    flex-direction: column;
    justify-content: center;
    position: relative;
    overflow: hidden;
}

.animated-bg {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: -1;
}

.hero-content {
    max-width: 1200px;
    margin: 0 auto;
    padding-top: 4rem;
}

.headline {
    font-size: 4rem;
    font-weight: bold;
    margin-bottom: 1.5rem;
    line-height: 1.2;
}

.subheadline {
    font-size: 1.5rem;
    color: var(--color-text-muted);
    margin-bottom: 2rem;
    max-width: 600px;
}

/* ==========================================================================
   Buttons
   ========================================================================== */

.cta-button {
    display: inline-block;
    padding: 1rem 2rem;
    background: var(--gradient-brand);
    color: var(--color-bg);
    text-decoration: none;
    border-radius: var(--border-radius-full);
    font-weight: bold;
    transition: transform var(--transition-fast);
    border: none;
    cursor: pointer;
}

.cta-button:hover {
    transform: translateY(-2px);
}

/* ==========================================================================
   Feature Cards
   ========================================================================== */

.features {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    margin-top: 4rem;
}

.features--wide {
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
}

.feature-card {
    background: var(--color-bg-elevated);
    padding: 2rem;
    border-radius: var(--border-radius);
    transition: transform var(--transition-fast);
}

.feature-card:hover {
    transform: translateY(-5px);
}

.feature-icon {
    display: flex;
    justify-content: center;
    align-items: center;
    height: 70px;
    margin-bottom: 1.5rem;
}

.feature-icon i {
    color: var(--color-accent-cyan);
    width: 2.5rem;
    height: 2.5rem;
    stroke-width: 2;
    transition: transform var(--transition-fast), color var(--transition-fast);
}

.feature-card:hover .feature-icon i {
    transform: scale(1.15);
    color: var(--color-accent-green);
}

.feature-card h3 {
    margin-bottom: 0.5rem;
    font-size: 1.25rem;
}

.feature-card p {
    color: var(--color-text-muted);
}

/* ==========================================================================
   Sections
   ========================================================================== */

.section {
    min-height: 100vh;
    padding: 6rem 2rem 4rem;
}

.section--short {
    min-height: 80vh;
}

.section--alt {
    background: rgba(255, 255, 255, 0.02);
}

.section__container {
    max-width: 1200px;
    margin: 0 auto;
}

.section__container--narrow {
    max-width: 800px;
    text-align: center;
}

.section__title {
    font-size: 3rem;
    margin-bottom: 2rem;
}

.section__subtitle {
    font-size: 1.2rem;
    color: var(--color-text-muted);
    margin-bottom: 3rem;
}

/* ==========================================================================
   About Section
   ========================================================================== */

.about-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 3rem;
    align-items: center;
}

.about-text p {
    font-size: 1.2rem;
    margin-bottom: 1.5rem;
}

.about-text p:last-child {
    margin-bottom: 0;
}

.about-panel {
    background: var(--color-bg-elevated);
    border-radius: var(--border-radius);
    padding: 2rem;
}

.about-panel__item {
    margin-bottom: 1.5rem;
}

.about-panel__item:last-child {
    margin-bottom: 0;
}

.about-panel__item h3 {
    margin-bottom: 0.5rem;
}

/* ==========================================================================
   Contact Form
   ========================================================================== */

.contact-form {
    display: grid;
    gap: 1.5rem;
    text-align: left;
}

.form-group label {
    display: block;
    margin-bottom: 0.5rem;
    color: var(--color-text-muted);
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 1rem;
    background: var(--color-bg-elevated);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: var(--border-radius-sm);
    color: var(--color-text);
    font-size: 1rem;
}

.form-group textarea {
    resize: none;
}

.form-group input::placeholder,
.form-group textarea::placeholder {
    color: var(--color-text-subtle);
}

.contact-form .cta-button {
    width: fit-content;
    justify-self: center;
}

/* Form status messages */
.form-status {
    text-align: center;
    padding: 2rem;
}

.form-status--success .form-status__icon {
    font-size: 3rem;
    margin-bottom: 1rem;
}

.form-status--error {
    color: var(--color-error);
}

.form-status__title {
    margin-bottom: 1rem;
}

.form-status__button {
    margin-top: 2rem;
    padding: 0.5rem 1rem;
    background: rgba(255, 255, 255, 0.1);
    border: none;
    color: var(--color-text);
    border-radius: var(--border-radius-sm);
    cursor: pointer;
}

/* ==========================================================================
   Footer
   ========================================================================== */

.footer {
    padding: 3rem 2rem;
    text-align: center;
    background: rgba(0, 0, 0, 0.3);
}

.footer__container {
    max-width: 1200px;
    margin: 0 auto;
}

.footer .logo {
    margin-bottom: 1.5rem;
}

.footer__tagline {
    color: var(--color-text-muted);
    margin-bottom: 1.5rem;
}

.footer__links {
    margin-bottom: 2rem;
}

.footer__links a {
    color: var(--color-text-muted);
    text-decoration: none;
    margin: 0 1rem;
    transition: color var(--transition-fast);
}

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

.footer__copyright {
    color: var(--color-text-subtle);
}

/* ==========================================================================
   Newsletter Section
   ========================================================================== */

.newsletter-embed {
    max-width: 480px;
    margin: 0 auto 1.5rem;
}

.newsletter-embed iframe {
    border-radius: var(--border-radius-sm);
}

.newsletter-note {
    font-size: 0.875rem;
    color: var(--color-text-subtle);
}

.newsletter-note a {
    color: var(--color-accent-green);
    text-decoration: none;
}

.newsletter-note a:hover {
    color: var(--color-accent-blue);
}

/* ==========================================================================
   Insights Page
   ========================================================================== */

.insights-header {
    text-align: center;
    margin-bottom: 3rem;
}

.insights-header .cta-button {
    margin-top: 1rem;
}

.cta-button--small {
    padding: 0.75rem 1.5rem;
    font-size: 0.9rem;
}

.insights-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 2rem;
}

.insights-loading,
.insights-error {
    text-align: center;
    padding: 3rem;
    color: var(--color-text-muted);
}

.insights-error .cta-button {
    margin-top: 1rem;
}

.insight-card {
    background: var(--color-bg-elevated);
    border-radius: var(--border-radius);
    overflow: hidden;
    transition: transform var(--transition-fast);
}

.insight-card:hover {
    transform: translateY(-5px);
}

.insight-card__image {
    height: 180px;
    background-size: cover;
    background-position: center;
    background-color: rgba(255, 255, 255, 0.05);
}

.insight-card__content {
    padding: 1.5rem;
}

.insight-card__date {
    font-size: 0.85rem;
    color: var(--color-text-subtle);
    display: block;
    margin-bottom: 0.5rem;
}

.insight-card__title {
    font-size: 1.25rem;
    margin-bottom: 0.75rem;
    line-height: 1.3;
}

.insight-card__title a {
    color: var(--color-text);
    text-decoration: none;
    transition: color var(--transition-fast);
}

.insight-card__title a:hover {
    color: var(--color-accent-green);
}

.insight-card__excerpt {
    font-size: 0.95rem;
    color: var(--color-text-muted);
    margin-bottom: 1rem;
    line-height: 1.5;
}

.insight-card__link {
    color: var(--color-accent-green);
    text-decoration: none;
    font-weight: 500;
    transition: color var(--transition-fast);
}

.insight-card__link:hover {
    color: var(--color-accent-blue);
}

/* ==========================================================================
   Resources Page
   ========================================================================== */

.resources-header {
    text-align: center;
    margin-bottom: 3rem;
}

.resources-category {
    margin-bottom: 4rem;
}

.resources-category__title {
    font-size: 1.75rem;
    margin-bottom: 1.5rem;
    color: var(--color-text);
}

.resources-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 1.5rem;
}

.resource-card {
    background: var(--color-bg-elevated);
    padding: 1.5rem;
    border-radius: var(--border-radius);
    transition: transform var(--transition-fast);
    display: flex;
    flex-direction: column;
}

.resource-card:hover {
    transform: translateY(-3px);
}

.resource-card__icon {
    font-size: 2rem;
    margin-bottom: 1rem;
}

.resource-card__title {
    font-size: 1.15rem;
    margin-bottom: 0.25rem;
    color: var(--color-text);
}

.resource-card__author {
    font-size: 0.9rem;
    color: var(--color-text-subtle);
    margin-bottom: 0.75rem;
}

.resource-card__description {
    font-size: 0.95rem;
    color: var(--color-text-muted);
    margin-bottom: 1rem;
    flex-grow: 1;
    line-height: 1.5;
}

.resource-card__link {
    color: var(--color-accent-green);
    text-decoration: none;
    font-weight: 500;
    transition: color var(--transition-fast);
    align-self: flex-start;
}

.resource-card__link:hover {
    color: var(--color-accent-blue);
}

.resources-disclosure {
    margin-top: 3rem;
    padding: 1.5rem;
    background: rgba(255, 255, 255, 0.02);
    border-radius: var(--border-radius);
    font-size: 0.9rem;
    color: var(--color-text-subtle);
}

.resources-disclosure strong {
    color: var(--color-text-muted);
}

/* ==========================================================================
   Legal Pages (Privacy Policy, Terms of Service)
   ========================================================================== */

.legal-page {
    padding: 8rem 2rem 4rem;
}

.legal-page__container {
    max-width: 800px;
    margin: 0 auto;
}

.legal-page__title {
    font-size: 2.5rem;
    margin-bottom: 0.5rem;
}

.legal-page__updated {
    color: var(--color-text-subtle);
    margin-bottom: 3rem;
}

.legal-section {
    margin-bottom: 2.5rem;
}

.legal-section h2 {
    font-size: 1.5rem;
    margin-bottom: 1rem;
    color: var(--color-text);
}

.legal-section h3 {
    font-size: 1.15rem;
    margin: 1.5rem 0 0.75rem;
    color: var(--color-text);
}

.legal-section p {
    color: var(--color-text-muted);
    margin-bottom: 1rem;
}

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

.legal-section ul {
    color: var(--color-text-muted);
    margin: 1rem 0;
    padding-left: 1.5rem;
}

.legal-section li {
    margin-bottom: 0.5rem;
}

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

.legal-section a:hover {
    color: var(--color-accent-blue);
}

/* ==========================================================================
   Responsive
   ========================================================================== */

@media (min-width: 992px) {
    .feature-icon i {
        width: 3rem;
        height: 3rem;
    }
}

@media (max-width: 768px) {
    .headline {
        font-size: 2.5rem;
    }

    .section__title {
        font-size: 2rem;
    }

    .legal-page__title {
        font-size: 2rem;
    }

    .mobile-menu-button {
        display: flex;
    }

    .nav-links {
        position: fixed;
        top: 0;
        right: -100%;
        width: 70%;
        height: 100vh;
        background: rgba(20, 20, 20, 0.95);
        display: flex;
        flex-direction: column;
        justify-content: center;
        align-items: center;
        transition: right var(--transition-fast);
        backdrop-filter: blur(10px);
        gap: 0;
    }

    .nav-links.active {
        right: 0;
    }

    .nav-links a {
        margin: 1.5rem 0;
        font-size: 1.3rem;
    }

    .about-grid {
        grid-template-columns: 1fr;
    }

    .insights-grid {
        grid-template-columns: 1fr;
    }

    .resources-grid {
        grid-template-columns: 1fr;
    }

    .resources-category__title {
        font-size: 1.5rem;
    }
}