/* ============================================
   DEFPROD 1 — Base Styles
   ============================================ */

/* ---- Reset & Globals ---- */
*, *::before, *::after {
    box-sizing: border-box;
}

body {
    font-family: var(--font-family);
    margin: 0;
    padding: 0;
    line-height: var(--leading-normal);
    color: var(--color-text);
    background-color: var(--color-bg);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* Softer light surfaces (after tokens.css): less stark white, subtle ambient tint — light scheme only */
@media (prefers-color-scheme: light) {
    :root {
        --color-bg: #f3f5f8;
        --color-surface: #ebeff4;
    }

    body {
        background-image:
            radial-gradient(ellipse 100% 60% at 50% 0%, rgba(44, 177, 172, 0.045) 0%, transparent 52%),
            radial-gradient(ellipse 80% 50% at 100% 20%, rgba(255, 196, 71, 0.025) 0%, transparent 45%);
    }
}

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

body.lightbox-open {
    overflow: hidden;
}

.lightbox-trigger {
    display: block;
    width: 100%;
    padding: 0;
    border: 0;
    background: transparent;
    cursor: zoom-in;
    text-align: inherit;
}

.lightbox-trigger img {
    display: block;
    width: 100%;
    transition: transform var(--transition-fast), box-shadow var(--transition-fast);
}

.lightbox-trigger:hover img,
.lightbox-trigger:focus-visible img {
    transform: translateY(-2px);
}

.lightbox-trigger:focus-visible {
    outline: 2px solid var(--color-teal);
    outline-offset: 6px;
    border-radius: var(--radius-lg);
}

.lightbox-caption-cue {
    display: inline-block;
    margin-left: 0.45rem;
    color: var(--color-teal);
    font-weight: var(--font-weight-medium);
    white-space: nowrap;
}

.image-lightbox {
    position: fixed;
    inset: 0;
    z-index: 1200;
}

.image-lightbox[hidden] {
    display: none;
}

.image-lightbox-backdrop {
    position: absolute;
    inset: 0;
    background: rgba(7, 12, 21, 0.82);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
}

.image-lightbox-dialog {
    position: relative;
    z-index: 1;
    display: flex;
    flex-direction: column;
    gap: var(--space-md);
    width: min(92vw, 1240px);
    max-height: calc(100vh - 48px);
    margin: 24px auto;
    padding: var(--space-lg);
    border-radius: var(--radius-xl);
    border: 1px solid rgba(255, 255, 255, 0.1);
    background: rgba(15, 23, 42, 0.92);
    box-shadow: 0 24px 80px rgba(0, 0, 0, 0.45);
}

.image-lightbox-dialog img {
    display: block;
    width: 100%;
    max-height: calc(100vh - 180px);
    object-fit: contain;
    border-radius: var(--radius-lg);
    background: rgba(255, 255, 255, 0.04);
}

.image-lightbox-caption {
    margin: 0;
    color: var(--color-dark-text-muted);
    font-size: var(--text-sm);
    line-height: var(--leading-normal);
}

.image-lightbox-close {
    position: absolute;
    top: 12px;
    right: 12px;
    width: 40px;
    height: 40px;
    border: 0;
    border-radius: var(--radius-full);
    background: rgba(15, 23, 42, 0.78);
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.28);
    color: #fff;
    cursor: pointer;
    font-size: 1.8rem;
    font-weight: var(--font-weight-bold);
    line-height: 1;
    display: flex;
    align-items: center;
    justify-content: center;
}

.image-lightbox-close:hover,
.image-lightbox-close:focus-visible {
    background: rgba(15, 23, 42, 0.92);
    outline: none;
}

a { color: var(--color-teal); text-decoration: none; }
a:hover { color: var(--color-teal-hover); }

/* ---- Buttons ---- */
.button {
    background-color: var(--color-teal);
    color: #fff;
    padding: 12px 25px;
    text-decoration: none;
    border-radius: var(--radius-md);
    font-size: var(--text-base);
    font-weight: var(--font-weight-semi);
    display: inline-block;
    border: none;
    cursor: pointer;
    transition: background-color var(--transition-fast), box-shadow var(--transition-fast);
    letter-spacing: var(--tracking-wide);
}

.button:hover {
    background-color: var(--color-teal-hover);
    color: #fff;
}

.button-pill {
    border-radius: var(--radius-full);
    padding: 14px 32px;
}

.button-glow {
    animation: glow-pulse 2.5s ease-in-out infinite;
}

.button-glow:hover {
    box-shadow: var(--shadow-glow-teal);
}

.button-ghost {
    background: transparent;
    border: 1px solid var(--color-dark-text-muted);
    color: var(--color-dark-text-muted);
}

.button-ghost:hover {
    border-color: #fff;
    color: #fff;
    background: rgba(255, 255, 255, 0.05);
}

.button-amber {
    background-color: var(--color-amber);
    color: var(--color-dark-bg);
}

.button-amber:hover {
    background-color: var(--color-amber-hover);
    color: var(--color-dark-bg);
}

/* ---- Header ---- */
.site-header {
    position: sticky;
    top: 0;
    z-index: 100;
    padding: 0 20px;
    background: transparent;
    transition: background var(--transition-base),
                backdrop-filter var(--transition-base),
                box-shadow var(--transition-base),
                border-color var(--transition-base);
    border-bottom: 1px solid transparent;
}

.site-header.scrolled {
    background: var(--glass-bg);
    backdrop-filter: var(--glass-blur);
    -webkit-backdrop-filter: var(--glass-blur);
    border-bottom: 1px solid var(--glass-border);
    box-shadow: var(--shadow-sm);
}

.header-container {
    max-width: var(--max-width);
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    align-items: stretch;
    position: relative;
}

.header-primary {
    display: flex;
    justify-content: space-between;
    align-items: center;
    position: relative;
    min-height: 64px;
    height: 64px;
}

.header-audience-cue {
    margin: 0 0 10px;
    padding: 0;
    font-size: var(--text-xs);
    line-height: var(--leading-normal);
    color: var(--color-text-secondary);
    font-weight: var(--font-weight-medium);
    letter-spacing: var(--tracking-wide);
    opacity: 0.88;
    max-width: 42rem;
}

.logo {
    display: flex;
    align-items: center;
    font-size: var(--text-xl);
    font-weight: var(--font-weight-bold);
    color: var(--color-text);
    text-decoration: none;
    gap: 10px;
    letter-spacing: var(--tracking-tight);
}

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

.logo img {
    height: 30px;
}

.nav-container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex: 1;
    margin-left: 40px;
}

.site-header nav { flex: 0 1 auto; }

.site-header nav ul {
    display: flex;
    gap: 28px;
    list-style: none;
    padding: 0;
    margin: 0;
}

.site-header nav ul li a {
    text-decoration: none;
    color: var(--color-text-secondary);
    font-weight: var(--font-weight-medium);
    font-size: var(--text-sm);
    position: relative;
    padding-bottom: 4px;
    transition: color var(--transition-fast);
}

.site-header nav ul li a::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 2px;
    background: var(--color-teal);
    transform: scaleX(0);
    transform-origin: left;
    transition: transform var(--transition-base);
}

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

.site-header nav ul li a:hover::after {
    transform: scaleX(1);
}

.site-header nav ul li a.active {
    color: var(--color-teal);
}
.site-header nav ul li a.active::after {
    transform: scaleX(1);
}

.header-actions a {
    margin-left: 20px;
    text-decoration: none;
}

.header-actions .login {
    color: var(--color-text-secondary);
    font-weight: var(--font-weight-medium);
    font-size: var(--text-sm);
    transition: color var(--transition-fast);
}

.header-actions .login:hover {
    color: var(--color-text);
}

.header-actions .signup {
    padding: 8px 20px;
    border-radius: var(--radius-full);
    font-size: var(--text-sm);
    transition: box-shadow var(--transition-base), background-color var(--transition-fast);
}

.header-actions .signup:hover {
    box-shadow: var(--shadow-glow-teal);
}

/* ---- Footer ---- */
.site-footer {
    background: linear-gradient(180deg, var(--color-dark-bg), var(--color-dark-surface));
    padding: var(--space-3xl) 20px var(--space-lg);
    color: var(--color-dark-text-muted);
}

.footer-container {
    max-width: var(--max-width);
    margin: 0 auto;
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: var(--space-xl);
    margin-bottom: var(--space-2xl);
}

.footer-brand p {
    font-size: var(--text-sm);
    line-height: var(--leading-normal);
    color: var(--color-dark-text-muted);
    margin-top: var(--space-md);
    max-width: 320px;
}

.footer-brand-support {
    font-size: var(--text-xs);
    line-height: var(--leading-loose);
    color: var(--color-dark-text-muted);
    margin-top: var(--space-sm);
    opacity: 0.92;
    max-width: 320px;
}

.footer-brand .logo {
    color: var(--color-dark-text);
}

.footer-section h3 {
    font-size: var(--text-sm);
    margin-bottom: var(--space-md);
    color: var(--color-dark-text);
    text-transform: uppercase;
    letter-spacing: var(--tracking-wider);
    font-weight: var(--font-weight-semi);
}

.footer-section ul {
    list-style: none;
    padding: 0;
    margin: 0;
}

.footer-section ul li {
    margin-bottom: 10px;
}

.footer-section ul li a {
    text-decoration: none;
    color: var(--color-dark-text-muted);
    font-size: var(--text-sm);
    transition: color var(--transition-fast);
}

.footer-section ul li a:hover {
    color: var(--color-teal);
}

.footer-divider {
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--color-dark-text-muted), transparent);
    opacity: 0.2;
    margin-bottom: var(--space-lg);
}

.footer-bottom {
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: var(--text-xs);
    color: var(--color-dark-text-muted);
    opacity: 0.7;
}

.footer-bottom a {
    color: var(--color-dark-text-muted);
    margin-left: 16px;
    text-decoration: none;
}

.footer-bottom a:hover {
    color: var(--color-teal);
}

.footer-built {
    font-family: var(--font-mono);
    font-size: var(--text-xs);
    letter-spacing: var(--tracking-wide);
}

/* ---- Shared Page Sections ---- */
.section {
    padding: var(--space-section) 20px;
}

.section-container {
    max-width: var(--max-width);
    margin: 0 auto;
}

.section-narrow {
    max-width: var(--max-width-narrow);
    margin: 0 auto;
}

.section-label {
    display: inline-block;
    font-size: var(--text-xs);
    font-weight: var(--font-weight-semi);
    color: var(--color-teal);
    text-transform: uppercase;
    letter-spacing: var(--tracking-wider);
    margin-bottom: var(--space-sm);
}

.section-dark {
    background-color: var(--color-dark-bg);
    color: var(--color-dark-text);
}

.section-alt {
    background-color: var(--color-surface);
}

/* ---- Page Hero (compact, dark, for inner pages) ---- */
.page-hero {
    background: var(--color-dark-bg);
    padding: var(--space-3xl) 20px var(--space-2xl);
    text-align: center;
}

.page-hero h1 {
    font-size: var(--text-3xl);
    font-weight: var(--font-weight-bold);
    color: var(--color-dark-text);
    margin: 0 0 var(--space-sm);
    letter-spacing: var(--tracking-tight);
}

.page-hero .lead {
    font-size: var(--text-lg);
    color: var(--color-dark-text-muted);
    margin: 0;
}

/* ---- Dark Section CTA Banner (reusable) ---- */
.cta-banner {
    background: var(--color-dark-bg);
    padding: var(--space-3xl) 20px;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.cta-banner::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, rgba(44, 209, 196, 0.12) 0%, transparent 70%);
    transform: translate(-50%, -50%);
    pointer-events: none;
}

.cta-banner h2 {
    font-size: var(--text-2xl);
    color: var(--color-dark-text);
    margin: 0 0 var(--space-sm);
    position: relative;
}

.cta-banner p {
    font-size: var(--text-lg);
    color: var(--color-dark-text-muted);
    margin: 0 0 var(--space-xl);
    position: relative;
}

.cta-banner-buttons {
    display: flex;
    gap: var(--space-md);
    justify-content: center;
    flex-wrap: wrap;
    position: relative;
}

/* ---- Utility ---- */
.text-center { text-align: center; }
.text-teal { color: var(--color-teal); }
.text-muted { color: var(--color-text-secondary); }

/* ---- Mobile Menu Button ---- */
.mobile-menu-button {
    display: none;
    background: none;
    border: none;
    padding: 20px 20px 20px 0;
    cursor: pointer;
}

.hamburger-icon,
.hamburger-icon::before,
.hamburger-icon::after {
    display: block;
    width: 25px;
    height: 2px;
    background: var(--color-text);
    transition: all 0.2s ease-out;
}

.hamburger-icon {
    position: relative;
}

.hamburger-icon::before,
.hamburger-icon::after {
    content: '';
    position: absolute;
    left: 0;
}

.hamburger-icon::before { top: -8px; }
.hamburger-icon::after  { top: 8px; }

.mobile-menu-button.active .hamburger-icon { background: transparent; }
.mobile-menu-button.active .hamburger-icon::before { top: 0; transform: rotate(45deg); }
.mobile-menu-button.active .hamburger-icon::after  { top: 0; transform: rotate(-45deg); }

.mobile-login {
    display: none;
    text-decoration: none;
    color: var(--color-text-secondary);
    font-weight: var(--font-weight-medium);
}

/* ---- Responsive ---- */
@media (max-width: 900px) {
    .footer-grid {
        grid-template-columns: 1fr 1fr;
        gap: var(--space-lg);
    }
}

@media (max-width: 768px) {
    .header-primary {
        justify-content: center;
    }

    .mobile-menu-button {
        display: block;
        position: absolute;
        left: 0;
        top: 50%;
        transform: translateY(-50%);
        z-index: 3;
    }

    .logo { margin: 0; }

    .mobile-login {
        display: block;
        position: absolute;
        right: 0;
        top: 50%;
        transform: translateY(-50%);
        font-size: var(--text-sm);
    }

    .header-audience-cue {
        text-align: center;
        max-width: none;
        margin-bottom: 8px;
        padding: 0 12px;
    }

    .nav-container {
        position: fixed;
        top: 0;
        right: -100%;
        width: 75%;
        height: 100vh;
        background: var(--color-dark-bg);
        padding: 80px 24px 24px;
        transition: right 0.3s ease;
        box-shadow: -2px 0 20px rgba(0, 0, 0, 0.3);
        z-index: 2;
        flex-direction: column;
        align-items: flex-start;
        gap: 20px;
        margin-left: 0;
    }

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

    .site-header nav ul {
        flex-direction: column;
        align-items: flex-start;
        width: 100%;
    }

    .site-header nav ul li {
        margin: 4px 0;
        width: 100%;
    }

    .site-header nav ul li a {
        display: block;
        padding: 12px 0;
        width: 100%;
        color: var(--color-dark-text-muted);
        font-size: var(--text-base);
    }

    .site-header nav ul li a:hover {
        color: var(--color-teal);
    }

    .nav-container .header-actions { display: none; }

    .footer-grid {
        grid-template-columns: 1fr;
        gap: var(--space-lg);
    }

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

    .lightbox-caption-cue {
        display: block;
        margin: 6px 0 0;
    }

    .image-lightbox-dialog {
        width: calc(100vw - 24px);
        margin: 12px auto;
        padding: var(--space-md);
    }

    .image-lightbox-dialog img {
        max-height: calc(100vh - 150px);
    }
}