/* Stage30 - Design System */

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

:root {
    --black: #0A0A0A;
    --dark-gray: #141414;
    --mid-gray: #1E1E1E;
    --orange: #E8460A;
    --white: #FFFFFF;
    --text-primary: rgba(255, 255, 255, 0.9);
    --text-secondary: rgba(255, 255, 255, 0.6);
    --text-nav: rgba(255, 255, 255, 0.5);
    --border-subtle: rgba(255, 255, 255, 0.08);
    --border-medium: rgba(255, 255, 255, 0.12);
}

body {
    font-family: 'Barlow', sans-serif;
    font-weight: 300;
    background-color: var(--black);
    color: var(--text-primary);
    line-height: 1.4;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

/* Header */
header {
    padding: 24px 60px;
    border-bottom: 1px solid var(--border-subtle);
    display: flex;
    justify-content: space-between;
    align-items: center;
    position: sticky;
    top: 0;
    background: rgba(10, 10, 10, 0.95);
    backdrop-filter: blur(10px);
    z-index: 100;
}

.logo {
    font-family: 'Barlow Condensed', sans-serif;
    font-weight: 900;
    font-size: 1.35rem;
    letter-spacing: 0.08em;
    text-decoration: none;
}

.logo-stage {
    color: var(--white);
}

.logo-number {
    color: var(--orange);
}

.logo-tm {
    font-size: 0.45em;
    vertical-align: super;
    color: var(--text-nav);
    margin-left: 1px;
}

nav {
    display: flex;
    gap: 32px;
}

nav a {
    color: var(--text-nav);
    text-decoration: none;
    font-size: 0.875rem;
    font-weight: 400;
    letter-spacing: 0.03em;
    transition: color 0.2s;
}

nav a:hover {
    color: var(--white);
}

/* Hero */
.hero {
    padding: 120px 60px 100px;
    background: var(--dark-gray);
    border-bottom: 1px solid var(--border-subtle);
}

.hero-inner {
    max-width: 1400px;
    margin: 0 auto;
}

.hero-label {
    font-size: 0.75rem;
    font-weight: 400;
    letter-spacing: 0.15em;
    text-transform: uppercase;
    color: var(--orange);
    margin-bottom: 24px;
}

.hero h1 {
    font-family: 'Barlow Condensed', sans-serif;
    font-weight: 900;
    font-size: 4.5rem;
    line-height: 1.08;
    letter-spacing: 0.02em;
    max-width: 900px;
    margin-bottom: 32px;
}

.hero p {
    font-size: 1.375rem;
    font-weight: 300;
    max-width: 600px;
    color: var(--text-secondary);
    line-height: 1.55;
    letter-spacing: 0.01em;
}

/* Sections */
.section {
    padding: 80px 60px;
    border-bottom: 1px solid var(--border-subtle);
}

.section-dark {
    background: var(--dark-gray);
}

.section-inner {
    max-width: 1400px;
    margin: 0 auto;
}

.section h2 {
    font-family: 'Barlow Condensed', sans-serif;
    font-weight: 900;
    font-size: 2.25rem;
    margin-bottom: 24px;
    line-height: 1.1;
    letter-spacing: 0.025em;
}

.section p {
    font-size: 1.125rem;
    font-weight: 300;
    max-width: 700px;
    margin-bottom: 20px;
    color: var(--text-secondary);
    line-height: 1.6;
}

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

/* Content blocks */
.content-block {
    background: var(--mid-gray);
    border: 1px solid var(--border-medium);
    padding: 40px;
    margin-top: 40px;
}

.content-block h3 {
    font-family: 'Barlow', sans-serif;
    font-weight: 400;
    font-size: 1rem;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    margin-bottom: 16px;
    color: var(--white);
}

.content-block p {
    font-size: 1rem;
    color: var(--text-secondary);
}

/* Accent lines */
.accent-line {
    width: 40px;
    height: 1px;
    background: var(--orange);
    margin-bottom: 24px;
}

.accent-line-wide {
    width: 60px;
    height: 1px;
    background: rgba(255, 255, 255, 0.15);
    margin-bottom: 24px;
}

.section-rule {
    width: 100%;
    max-width: 1400px;
    margin: 0 auto;
    height: 1px;
    background: linear-gradient(90deg, var(--orange) 40px, var(--border-subtle) 40px);
}

/* Signup */
.signup-section {
    padding: 80px 60px;
    background: var(--dark-gray);
}

.signup-inner {
    max-width: 600px;
    margin: 0 auto;
    text-align: center;
}

.signup-inner h2 {
    font-family: 'Barlow Condensed', sans-serif;
    font-weight: 900;
    font-size: 2.25rem;
    margin-bottom: 16px;
    letter-spacing: 0.025em;
}

.signup-inner p {
    font-size: 1.125rem;
    color: var(--text-secondary);
    margin-bottom: 32px;
    max-width: none;
}

.signup-form {
    display: flex;
    gap: 12px;
    max-width: 500px;
    margin: 0 auto;
}

.signup-form input[type="email"] {
    flex: 1;
    padding: 14px 20px;
    background: var(--mid-gray);
    border: 1px solid var(--border-medium);
    color: var(--white);
    font-family: 'Barlow', sans-serif;
    font-size: 1rem;
    font-weight: 300;
    outline: none;
    transition: border-color 0.2s, background 0.2s;
}

.signup-form input[type="email"]::placeholder {
    color: var(--text-nav);
}

.signup-form input[type="email"]:focus {
    border-color: var(--orange);
    background: rgba(30, 30, 30, 0.8);
}

.signup-form button {
    padding: 14px 28px;
    background: var(--orange);
    color: var(--white);
    border: none;
    font-family: 'Barlow Condensed', sans-serif;
    font-weight: 900;
    font-size: 1rem;
    letter-spacing: 0.05em;
    text-transform: uppercase;
    cursor: pointer;
    transition: opacity 0.2s;
}

.signup-form button:hover {
    opacity: 0.85;
}

/* Footer */
footer {
    padding: 32px 60px;
    border-top: 1px solid var(--border-subtle);
    font-size: 0.8125rem;
    color: var(--text-nav);
    background: var(--dark-gray);
}

.footer-content {
    max-width: 1400px;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.footer-link {
    color: var(--orange);
    text-decoration: none;
    transition: opacity 0.2s;
}

.footer-link:hover {
    opacity: 0.7;
}

/* Grid layout */
.grid-2 {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 32px;
    margin-top: 40px;
}

.grid-3 {
    display: grid;
    grid-template-columns: 1fr 1fr 1fr;
    gap: 24px;
    margin-top: 40px;
}

/* Orange accent text */
.accent {
    color: var(--orange);
}

/* Responsive */
@media (max-width: 768px) {
    header {
        padding: 20px 24px;
    }

    nav {
        gap: 20px;
    }

    nav a {
        font-size: 0.8125rem;
    }

    .hero {
        padding: 80px 24px 60px;
    }

    .hero h1 {
        font-size: 2.75rem;
    }

    .hero p {
        font-size: 1.125rem;
    }

    .section {
        padding: 60px 24px;
    }

    .section h2 {
        font-size: 1.75rem;
    }

    .signup-section {
        padding: 60px 24px;
    }

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

    .grid-2 {
        grid-template-columns: 1fr;
    }

    .grid-3 {
        grid-template-columns: 1fr;
    }

    footer {
        padding: 24px;
    }

    .footer-content {
        flex-direction: column;
        align-items: flex-start;
        gap: 16px;
    }
}


/* Accessibility */
.skip-link {
    position: absolute;
    top: -40px;
    left: 0;
    background: var(--orange);
    color: var(--white);
    padding: 8px 16px;
    z-index: 200;
    font-size: 0.875rem;
    text-decoration: none;
    transition: top 0.2s;
}

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

*:focus-visible {
    outline: 2px solid var(--orange);
    outline-offset: 2px;
}

a:focus-visible,
button:focus-visible,
input:focus-visible {
    outline: 2px solid var(--orange);
    outline-offset: 2px;
}

/* Footer links row */
.footer-links {
    display: flex;
    gap: 8px;
    align-items: center;
}

.footer-separator {
    color: var(--text-nav);
}

/* Reduced motion */
@media (prefers-reduced-motion: reduce) {
    * {
        transition: none !important;
        animation: none !important;
    }
}


/* Screen reader only */
.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}