/* RoboCork Headless Trader — Public Site
   High-contrast monochrome. Mythic. Sculptural lighting. */

/* ── Reset & Base ────────────────────────────────────────────────────────── */

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

:root {
    --pub-bg:             #000000;
    --pub-bg-alt:         #060606;
    --pub-bg-card:        #0c0c0c;
    --pub-bg-elevated:    #111111;
    --pub-text:           #ffffff;
    --pub-text-secondary: #999999;
    --pub-text-muted:     #555555;
    --pub-border:         #1a1a1a;
    --pub-border-hover:   #333333;
    --pub-accent:         #ffffff;
    --pub-font:           -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, sans-serif;
    --pub-font-mono:      'SF Mono', 'Fira Code', 'Consolas', monospace;
}

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

body {
    font-family: var(--pub-font);
    background: var(--pub-bg);
    color: var(--pub-text);
    line-height: 1.6;
    overflow-x: hidden;
}

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

/* ── Navigation ──────────────────────────────────────────────────────────── */

.pub-nav {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 100;
    padding: 1.25rem 2rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
    background: rgba(0, 0, 0, 0.85);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-bottom: 1px solid transparent;
    transition: border-color 0.3s;
}

.pub-nav.scrolled {
    border-bottom-color: var(--pub-border);
}

.pub-nav-brand {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.pub-nav-brand .logo-mark {
    width: 36px;
    height: 36px;
    border: none;
    border-radius: 4px;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
}

.pub-nav-brand .logo-mark img {
    width: 100%;
    height: 100%;
    object-fit: contain;
    filter: invert(1) grayscale(100%) contrast(1.2);
}

.pub-nav-brand .brand-text {
    font-size: 0.85rem;
    font-weight: 600;
    letter-spacing: 0.15em;
    text-transform: uppercase;
    color: var(--pub-text);
}

.pub-nav-links {
    display: flex;
    align-items: center;
    gap: 2rem;
}

.pub-nav-links a {
    font-size: 0.75rem;
    font-weight: 500;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: var(--pub-text-secondary);
    transition: color 0.2s;
}

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

.pub-nav-links .btn-login {
    font-size: 0.7rem;
    font-weight: 600;
    letter-spacing: 0.15em;
    text-transform: uppercase;
    padding: 0.5rem 1.5rem;
    border: 1px solid var(--pub-text);
    color: var(--pub-text);
    background: transparent;
    cursor: pointer;
    transition: all 0.25s;
}

.pub-nav-links .btn-login:hover {
    background: var(--pub-text);
    color: var(--pub-bg);
}

/* ── Hero ────────────────────────────────────────────────────────────────── */

.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    padding: 6rem 2rem 4rem;
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: radial-gradient(ellipse at 50% 40%, rgba(255,255,255,0.03) 0%, transparent 70%);
    pointer-events: none;
}

.hero-content {
    position: relative;
    z-index: 1;
    max-width: 800px;
}

.hero-logo {
    width: 220px;
    height: 220px;
    margin: 0 auto 3rem;
    border: none;
    border-radius: 4px;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
    position: relative;
}

.hero-logo img {
    width: 100%;
    height: 100%;
    object-fit: contain;
    filter: invert(1) grayscale(100%) contrast(1.3) brightness(1.1);
}

.hero-logo .placeholder-text {
    font-size: 0.6rem;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--pub-text-muted);
    padding: 1rem;
    text-align: center;
    line-height: 1.8;
}

.hero h1 {
    font-size: 3.5rem;
    font-weight: 200;
    letter-spacing: 0.08em;
    line-height: 1.15;
    margin-bottom: 1.5rem;
    text-transform: uppercase;
}

.hero h1 strong {
    font-weight: 600;
}

.hero .tagline {
    font-size: 1.05rem;
    font-weight: 300;
    color: var(--pub-text-secondary);
    letter-spacing: 0.04em;
    margin-bottom: 3rem;
    max-width: 550px;
    margin-left: auto;
    margin-right: auto;
}

.hero .cta-group {
    display: flex;
    gap: 1rem;
    justify-content: center;
    flex-wrap: wrap;
}

.btn-primary-pub {
    display: inline-block;
    font-size: 0.72rem;
    font-weight: 600;
    letter-spacing: 0.18em;
    text-transform: uppercase;
    padding: 0.85rem 2.5rem;
    border: 1px solid var(--pub-text);
    color: var(--pub-bg);
    background: var(--pub-text);
    cursor: pointer;
    transition: all 0.25s;
}

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

.btn-ghost-pub {
    display: inline-block;
    font-size: 0.72rem;
    font-weight: 600;
    letter-spacing: 0.18em;
    text-transform: uppercase;
    padding: 0.85rem 2.5rem;
    border: 1px solid var(--pub-border-hover);
    color: var(--pub-text-secondary);
    background: transparent;
    cursor: pointer;
    transition: all 0.25s;
}

.btn-ghost-pub:hover {
    border-color: var(--pub-text);
    color: var(--pub-text);
}

/* ── Divider ─────────────────────────────────────────────────────────────── */

.section-divider {
    width: 60px;
    height: 1px;
    background: var(--pub-border-hover);
    margin: 0 auto;
}

/* ── Features ────────────────────────────────────────────────────────────── */

.features {
    padding: 6rem 2rem;
    background: var(--pub-bg-alt);
}

.features-inner {
    max-width: 1100px;
    margin: 0 auto;
}

.features-header {
    text-align: center;
    margin-bottom: 4rem;
}

.features-header .label {
    font-size: 0.65rem;
    font-weight: 600;
    letter-spacing: 0.25em;
    text-transform: uppercase;
    color: var(--pub-text-muted);
    margin-bottom: 1rem;
}

.features-header h2 {
    font-size: 2rem;
    font-weight: 200;
    letter-spacing: 0.06em;
    text-transform: uppercase;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1.5rem;
}

.feature-card {
    padding: 2rem;
    border: 1px solid var(--pub-border);
    background: var(--pub-bg-card);
    transition: border-color 0.3s;
}

.feature-card:hover {
    border-color: var(--pub-border-hover);
}

.feature-card .icon {
    font-size: 1.5rem;
    margin-bottom: 1.25rem;
    opacity: 0.7;
}

.feature-card h3 {
    font-size: 0.8rem;
    font-weight: 600;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    margin-bottom: 0.75rem;
}

.feature-card p {
    font-size: 0.85rem;
    font-weight: 300;
    color: var(--pub-text-secondary);
    line-height: 1.7;
}

/* ── Markets ─────────────────────────────────────────────────────────────── */

.markets {
    padding: 6rem 2rem;
    background: var(--pub-bg);
}

.markets-inner {
    max-width: 900px;
    margin: 0 auto;
    text-align: center;
}

.markets-header {
    margin-bottom: 3rem;
}

.markets-header .label {
    font-size: 0.65rem;
    font-weight: 600;
    letter-spacing: 0.25em;
    text-transform: uppercase;
    color: var(--pub-text-muted);
    margin-bottom: 1rem;
}

.markets-header h2 {
    font-size: 2rem;
    font-weight: 200;
    letter-spacing: 0.06em;
    text-transform: uppercase;
}

.markets-list {
    display: flex;
    justify-content: center;
    gap: 3rem;
    flex-wrap: wrap;
}

.market-item {
    text-align: center;
}

.market-item .symbol {
    font-family: var(--pub-font-mono);
    font-size: 1.1rem;
    font-weight: 600;
    letter-spacing: 0.05em;
    margin-bottom: 0.25rem;
}

.market-item .name {
    font-size: 0.7rem;
    font-weight: 400;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--pub-text-muted);
}

/* ── About / Philosophy ──────────────────────────────────────────────────── */

.about {
    padding: 6rem 2rem;
    background: var(--pub-bg-alt);
    border-top: 1px solid var(--pub-border);
    border-bottom: 1px solid var(--pub-border);
}

.about-inner {
    max-width: 700px;
    margin: 0 auto;
    text-align: center;
}

.about .label {
    font-size: 0.65rem;
    font-weight: 600;
    letter-spacing: 0.25em;
    text-transform: uppercase;
    color: var(--pub-text-muted);
    margin-bottom: 1.5rem;
}

.about h2 {
    font-size: 1.8rem;
    font-weight: 200;
    letter-spacing: 0.06em;
    text-transform: uppercase;
    margin-bottom: 2rem;
}

.about p {
    font-size: 1rem;
    font-weight: 300;
    color: var(--pub-text-secondary);
    line-height: 1.9;
    margin-bottom: 1.25rem;
}

/* ── Stats Strip ─────────────────────────────────────────────────────────── */

.stats-strip {
    padding: 3rem 2rem;
    background: var(--pub-bg);
}

.stats-strip-inner {
    max-width: 900px;
    margin: 0 auto;
    display: flex;
    justify-content: center;
    gap: 4rem;
    flex-wrap: wrap;
}

.stat-item {
    text-align: center;
}

.stat-item .number {
    font-family: var(--pub-font-mono);
    font-size: 2rem;
    font-weight: 300;
    letter-spacing: 0.02em;
    margin-bottom: 0.25rem;
}

.stat-item .label {
    font-size: 0.65rem;
    font-weight: 600;
    letter-spacing: 0.2em;
    text-transform: uppercase;
    color: var(--pub-text-muted);
}

/* ── Footer ──────────────────────────────────────────────────────────────── */

.pub-footer {
    padding: 3rem 2rem;
    border-top: 1px solid var(--pub-border);
    text-align: center;
}

.pub-footer p {
    font-size: 0.7rem;
    font-weight: 400;
    letter-spacing: 0.1em;
    color: var(--pub-text-muted);
}

/* ── Login Page ──────────────────────────────────────────────────────────── */

.login-section {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 6rem 2rem 4rem;
}

.login-card {
    width: 100%;
    max-width: 380px;
    padding: 2.5rem;
    border: 1px solid var(--pub-border);
    background: var(--pub-bg-card);
}

.login-card .login-logo {
    width: 60px;
    height: 80px;
    margin: 0 auto 1.5rem;
    border: 1px solid var(--pub-border-hover);
    border-radius: 4px;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
}

.login-card .login-logo img {
    width: 100%;
    height: 100%;
    object-fit: contain;
    filter: invert(1) grayscale(100%) contrast(1.3) brightness(1.1);
}

.login-card h2 {
    font-size: 0.8rem;
    font-weight: 600;
    letter-spacing: 0.18em;
    text-transform: uppercase;
    text-align: center;
    margin-bottom: 0.5rem;
}

.login-card .subtitle {
    font-size: 0.8rem;
    font-weight: 300;
    color: var(--pub-text-secondary);
    text-align: center;
    margin-bottom: 2rem;
}

.login-card .form-group {
    margin-bottom: 1.25rem;
}

.login-card label {
    display: block;
    font-size: 0.65rem;
    font-weight: 600;
    letter-spacing: 0.15em;
    text-transform: uppercase;
    color: var(--pub-text-secondary);
    margin-bottom: 0.4rem;
}

.login-card input[type="text"],
.login-card input[type="password"] {
    width: 100%;
    padding: 0.7rem 0.85rem;
    font-family: var(--pub-font);
    font-size: 0.85rem;
    background: var(--pub-bg);
    border: 1px solid var(--pub-border);
    color: var(--pub-text);
    outline: none;
    transition: border-color 0.2s;
}

.login-card input[type="text"]:focus,
.login-card input[type="password"]:focus {
    border-color: var(--pub-border-hover);
}

.login-card .btn-submit {
    width: 100%;
    padding: 0.75rem;
    font-family: var(--pub-font);
    font-size: 0.72rem;
    font-weight: 600;
    letter-spacing: 0.18em;
    text-transform: uppercase;
    border: 1px solid var(--pub-text);
    background: var(--pub-text);
    color: var(--pub-bg);
    cursor: pointer;
    transition: all 0.25s;
    margin-top: 0.5rem;
}

.login-card .btn-submit:hover {
    background: transparent;
    color: var(--pub-text);
}

.login-card .alert-error {
    font-size: 0.8rem;
    color: #ff4444;
    background: rgba(255, 68, 68, 0.08);
    border: 1px solid rgba(255, 68, 68, 0.2);
    padding: 0.6rem 0.85rem;
    margin-bottom: 1.25rem;
    text-align: center;
}

.login-card .back-link {
    display: block;
    text-align: center;
    margin-top: 1.5rem;
    font-size: 0.75rem;
    color: var(--pub-text-muted);
    transition: color 0.2s;
}

.login-card .back-link:hover {
    color: var(--pub-text-secondary);
}

/* ── Responsive ──────────────────────────────────────────────────────────── */

@media (max-width: 768px) {
    .pub-nav {
        padding: 1rem 1.25rem;
    }

    .pub-nav-links {
        gap: 1rem;
    }

    .pub-nav-links a:not(.btn-login) {
        display: none;
    }

    .hero h1 {
        font-size: 2.2rem;
    }

    .hero .tagline {
        font-size: 0.9rem;
    }

    .hero-logo {
        width: 140px;
        height: 186px;
    }

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

    .markets-list {
        gap: 2rem;
    }

    .stats-strip-inner {
        gap: 2rem;
    }

    .stat-item .number {
        font-size: 1.5rem;
    }
}

@media (max-width: 480px) {
    .hero h1 {
        font-size: 1.8rem;
        letter-spacing: 0.04em;
    }

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

    .btn-primary-pub,
    .btn-ghost-pub {
        width: 100%;
        max-width: 280px;
        text-align: center;
    }
}