/* Steel & Code 2.0 homepage.
   Scoped to .sc-home so it cannot regress the rest of the site. */

.sc-home {
    --sc-charcoal: #10171E;
    --sc-steel: #202C36;
    --sc-steel-light: #2b3945;
    --sc-cyan: #66D9E8;
    --sc-amber: #E5A65A;
    --sc-offwhite: #F2F5F7;
    --sc-muted: #9fb0bc;
    --sc-border: #2b3945;

    background: var(--sc-charcoal);
    color: var(--sc-offwhite);

    font-family: "Segoe UI", system-ui, -apple-system, sans-serif;
    line-height: 1.6;
}

.sc-home *,
.sc-home *::before,
.sc-home *::after {
    box-sizing: border-box;
}

/* ---------- Shared section chrome ---------- */

.sc-home .sc-eyebrow {
    margin: 0 0 14px;
    font-family: ui-monospace, "SF Mono", "Cascadia Mono", Consolas, monospace;
    font-size: 12px;
    letter-spacing: 3px;
    text-transform: uppercase;
    color: var(--sc-cyan);
}

.sc-section {
    max-width: 1440px;
    margin: 0 auto;
    padding: 60px 6%;
}

.sc-section + .sc-section {
    border-top: 1px solid var(--sc-border);
}

.sc-section h2 {
    margin: 0 0 12px;
    font-size: clamp(28px, 3.5vw, 42px);
    line-height: 1.1;
    font-weight: 700;
}

.sc-section-lede {
    margin: 0 0 36px;
    max-width: 640px;
    font-size: 18px;
    color: var(--sc-muted);
}

/* ---------- Buttons ---------- */

.sc-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: 44px;
    padding: 12px 24px;
    font-size: 16px;
    font-weight: 600;
    text-decoration: none;
    border: 1px solid transparent;
    border-radius: 0;
    transition: background-color 150ms ease, border-color 150ms ease, color 150ms ease;
}

.sc-btn-primary {
    background: var(--sc-cyan);
    color: var(--sc-charcoal);
}

.sc-btn-primary:hover { background: #7fe0ec; }

.sc-btn-ghost {
    color: var(--sc-offwhite);
    border-color: var(--sc-steel-light);
    background: transparent;
}

.sc-btn-ghost:hover {
    border-color: var(--sc-cyan);
    color: var(--sc-cyan);
}

/* ---------- Hero (full-width cinematic) ---------- */

.sc-hero {
    position: relative;
    min-height: clamp(520px, 82vh, 820px);
    display: flex;
    align-items: center;
    background-color: var(--sc-charcoal);
    background-image: url("../images/steel-and-code-hero.webp");
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    overflow: hidden;
}

.sc-hero::before {
    content: "";
    position: absolute;
    inset: 0;
    background: linear-gradient(to right,
        rgba(16, 23, 30, 0.95) 0%,
        rgba(16, 23, 30, 0.86) 40%,
        rgba(16, 23, 30, 0.32) 68%,
        rgba(16, 23, 30, 0.0) 100%);
    pointer-events: none;
}

.sc-hero-inner {
    position: relative;
    width: 100%;
    max-width: 1440px;
    margin: 0 auto;
    padding: 60px 6%;
}

.sc-tagline {
    margin: 14px 0 0;
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
    font-weight: 900;
    font-size: clamp(42px, 10vw, 120px);
    line-height: 0.96;
    letter-spacing: -0.02em;
    color: var(--sc-offwhite);
}

.sc-word {
    display: block;
}

.sc-word--accent {
    color: var(--sc-cyan);
}

.sc-lede {
    max-width: 560px;
    margin: 18px 0 0;
    font-size: 19px;
    color: var(--sc-offwhite);
}

.sc-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 14px;
    margin-top: 24px;
}

.sc-terminal {
    margin: 26px 0 0;
    padding: 12px 16px;
    font-family: ui-monospace, "SF Mono", "Cascadia Mono", Consolas, monospace;
    font-size: 15px;
    color: var(--sc-muted);
    background: rgba(16, 23, 30, 0.55);
    border-left: 3px solid var(--sc-amber);
    max-width: 440px;
    overflow-x: auto;
}

.sc-prompt {
    color: var(--sc-amber);
    margin-right: 8px;
}

.sc-cmd {
    color: var(--sc-cyan);
}

.sc-cursor {
    display: inline-block;
    width: 9px;
    height: 18px;
    margin-left: 4px;
    vertical-align: -3px;
    background: var(--sc-cyan);
    animation: sc-blink 1.1s steps(1) infinite;
}

@keyframes sc-blink {
    50% { opacity: 0; }
}

/* ---------- Featured (Steel OS) ---------- */

.sc-featured-card {
    display: grid;
    grid-template-columns: minmax(0, 1fr) minmax(0, 1.35fr);
    gap: clamp(24px, 4vw, 56px);
    align-items: center;
    padding: clamp(24px, 4vw, 44px);
    background: var(--sc-steel);
    border: 1px solid var(--sc-border);
    border-top: 3px solid var(--sc-cyan);
}

.sc-featured-copy {
    min-width: 0;
}

.sc-featured-head {
    display: flex;
    align-items: center;
    gap: 18px;
    margin: 4px 0 16px;
}

.sc-featured-icon {
    width: 56px;
    height: 56px;
    flex: none;
}

.sc-featured-head h2 {
    margin: 0;
    font-size: clamp(28px, 4vw, 40px);
}

.sc-featured-copy p {
    max-width: 640px;
}

.sc-featured-copy .sc-btn {
    margin-top: 22px;
}

/* Steel OS desktop screenshot in a subtle technical frame */
.sc-featured-shot {
    margin: 0;
    align-self: center;
    line-height: 0;
    border: 1px solid var(--sc-border);
    background: var(--sc-charcoal);
    box-shadow: 0 24px 56px rgba(0, 0, 0, 0.45);
}

.sc-shot-chrome {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 10px 14px;
    border-bottom: 1px solid var(--sc-border);
    font-family: ui-monospace, "SF Mono", "Cascadia Mono", Consolas, monospace;
    font-size: 12px;
    letter-spacing: 1px;
    text-transform: uppercase;
    color: var(--sc-muted);
}

.sc-shot-status {
    flex: none;
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: var(--sc-cyan);
    box-shadow: 0 0 6px var(--sc-cyan);
}

.sc-shot-label {
    line-height: 1;
}

.sc-shot-img {
    display: block;
    width: 100%;
    height: auto;
}

/* ---------- Build (three-project gallery) ---------- */

.sc-build-grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 20px;
}

.sc-project {
    display: flex;
    flex-direction: column;
    min-width: 0;
    background: var(--sc-steel);
    border: 1px solid var(--sc-border);
    border-top: 3px solid var(--sc-charcoal);
    transition: border-color 150ms ease;
}

.sc-project:hover {
    border-top-color: var(--sc-amber);
}

.sc-project-media {
    position: relative;
    margin: 0;
    line-height: 0;
    aspect-ratio: 4 / 3;
    overflow: hidden;
    background: var(--sc-charcoal);
}

.sc-project-media img {
    display: block;
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.sc-project-media--steelos {
    display: flex;
    align-items: center;
    justify-content: center;
    background:
        radial-gradient(circle at center, rgba(102, 217, 232, 0.14), transparent 60%),
        var(--sc-charcoal);
}

.sc-project-media--steelos img {
    width: 128px;
    height: 128px;
    object-fit: contain;
}

.sc-project-badge {
    position: absolute;
    top: 12px;
    right: 12px;
    padding: 6px 10px;
    font-family: ui-monospace, "SF Mono", "Cascadia Mono", Consolas, monospace;
    font-size: 11px;
    letter-spacing: 1px;
    text-transform: uppercase;
    line-height: 1;
    color: var(--sc-muted);
    background: rgba(16, 23, 30, 0.82);
    border: 1px solid var(--sc-border);
}

.sc-project-body {
    display: flex;
    flex-direction: column;
    flex: 1;
    padding: 22px 24px 24px;
}

.sc-project-body h3 {
    margin: 0 0 12px;
    font-size: 22px;
    line-height: 1.25;
}

.sc-project-body h3 a {
    color: var(--sc-offwhite);
    text-decoration: none;
}

.sc-project-body h3 a:hover {
    color: var(--sc-cyan);
}

.sc-project-body > p:not([class]) {
    margin: 0 0 12px;
    font-size: 16px;
    color: var(--sc-muted);
}

/* ---------- Grid / cards ---------- */

.sc-grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 20px;
}

.sc-grid--2x2 {
    grid-template-columns: repeat(2, minmax(0, 1fr));
}

.sc-card {
    display: flex;
    flex-direction: column;
    padding: 26px;
    background: var(--sc-steel);
    border: 1px solid var(--sc-border);
    border-top: 3px solid var(--sc-charcoal);
    transition: border-color 150ms ease;
}

.sc-card:hover {
    border-top-color: var(--sc-amber);
}

.sc-card-label {
    margin: 0 0 12px;
    font-family: ui-monospace, "SF Mono", "Cascadia Mono", Consolas, monospace;
    font-size: 11px;
    letter-spacing: 2px;
    color: var(--sc-muted);
}

.sc-card h3 {
    margin: 0 0 12px;
    font-size: 22px;
    line-height: 1.25;
}

.sc-card h3 a {
    color: var(--sc-offwhite);
    text-decoration: none;
}

.sc-card h3 a:hover { color: var(--sc-cyan); }

.sc-card p {
    margin: 0 0 16px;
    color: var(--sc-muted);
    font-size: 16px;
}

.sc-card p:last-of-type {
    margin-bottom: 0;
}

.sc-status {
    margin-top: auto;
    padding-top: 16px;
    display: inline-flex;
    align-items: center;
    gap: 8px;
    font-family: ui-monospace, "SF Mono", "Cascadia Mono", Consolas, monospace;
    font-size: 12px;
    letter-spacing: 1px;
    text-transform: uppercase;
    color: var(--sc-cyan);
}

.sc-status-dot {
    width: 8px;
    height: 8px;
    background: var(--sc-amber);
    border-radius: 50%;
}

/* Card media (real Lab / Workbench screenshots) */

.sc-card--media {
    padding-top: 0;
    overflow: hidden;
}

.sc-card-media {
    margin: 0 -26px 20px;
}

.sc-card-media img {
    display: block;
    width: 100%;
    height: 200px;
    object-fit: cover;
    object-position: top center;
    background: var(--sc-charcoal);
    border-bottom: 1px solid var(--sc-border);
}

/* ---------- Explore / STEELCAST (retro sci-fi) ---------- */

.sc-steelcast {
    position: relative;
    max-width: 1000px;
    overflow: hidden;
    border: 1px solid var(--sc-border);
    background-color: #0c1216;
    background-image:
        repeating-linear-gradient(0deg, rgba(102, 217, 232, 0.045) 0 1px, rgba(102, 217, 232, 0) 1px 3px),
        radial-gradient(ellipse at 50% 45%, rgba(102, 217, 232, 0.06), rgba(16, 23, 30, 0.65) 75%),
        linear-gradient(180deg, #0b1014, #10171E 60%, #141d25);
}

.sc-steelcast-figure {
    margin: 0;
    line-height: 0;
    border-bottom: 1px solid var(--sc-border);
}

.sc-steelcast-art {
    display: block;
    width: 100%;
    height: auto;
    image-rendering: crisp-edges;
    image-rendering: pixelated;
}

.sc-steelcast-body {
    padding: 32px 44px;
}

.sc-steelcast::before {
    content: "";
    position: absolute;
    top: 14px;
    left: 14px;
    width: 26px;
    height: 26px;
    border-top: 2px solid var(--sc-cyan);
    border-left: 2px solid var(--sc-cyan);
}

.sc-steelcast::after {
    content: "";
    position: absolute;
    bottom: 14px;
    right: 14px;
    width: 26px;
    height: 26px;
    border-bottom: 2px solid var(--sc-amber);
    border-right: 2px solid var(--sc-amber);
}

.sc-steelcast-head {
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    gap: 12px;
    margin-bottom: 20px;
    font-family: ui-monospace, "SF Mono", "Cascadia Mono", Consolas, monospace;
    font-size: 12px;
    letter-spacing: 2px;
}

.sc-steelcast-dot {
    width: 9px;
    height: 9px;
    border-radius: 50%;
    background: var(--sc-amber);
    box-shadow: 0 0 9px var(--sc-amber);
    animation: sc-pulse 1.7s ease-in-out infinite;
}

@keyframes sc-pulse {
    0%, 100% { opacity: 1; transform: scale(1); }
    50% { opacity: 0.35; transform: scale(0.8); }
}

.sc-steelcast-tag {
    color: var(--sc-cyan);
    text-transform: uppercase;
}

.sc-steelcast-tag--dim {
    color: var(--sc-muted);
}

.sc-steelcast-title {
    margin: 0 0 12px;
    font-family: ui-monospace, "SF Mono", "Cascadia Mono", Consolas, monospace;
    font-size: clamp(28px, 4vw, 44px);
    letter-spacing: 0.06em;
    color: var(--sc-offwhite);
    text-shadow: 0 0 22px rgba(102, 217, 232, 0.35);
}

.sc-steelcast p {
    max-width: 560px;
    color: var(--sc-muted);
    font-size: 17px;
}

/* ---------- Teach ---------- */

.sc-teach-headline {
    margin: 0 0 8px;
    font-size: clamp(24px, 3vw, 34px);
    line-height: 1.15;
    font-weight: 700;
    color: var(--sc-offwhite);
}

.sc-teach-philosophy {
    max-width: 640px;
    margin: 0 0 28px;
    font-size: 18px;
    color: var(--sc-muted);
}

.sc-methodology {
    list-style: none;
    margin: 0 0 40px;
    padding: 0;
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 16px;
}

.sc-method-step {
    padding: 16px 18px 18px;
    background: var(--sc-steel);
    border: 1px solid var(--sc-border);
    border-top: 3px solid var(--sc-charcoal);
}

.sc-method-num {
    display: block;
    font-family: ui-monospace, "SF Mono", "Cascadia Mono", Consolas, monospace;
    font-size: 12px;
    letter-spacing: 2px;
    color: var(--sc-cyan);
    margin-bottom: 8px;
}

.sc-method-label {
    display: block;
    font-size: 20px;
    font-weight: 700;
    color: var(--sc-offwhite);
    margin-bottom: 4px;
}

.sc-method-text {
    display: block;
    font-size: 14px;
    line-height: 1.45;
    color: var(--sc-muted);
}

.sc-tools {
    display: flex;
    flex-direction: column;
    gap: 20px;
    margin-bottom: 32px;
}

.sc-tool {
    display: grid;
    grid-template-columns: minmax(0, 1fr) minmax(0, 1.4fr);
    gap: clamp(20px, 4vw, 48px);
    align-items: center;
    padding: clamp(20px, 3vw, 36px);
    background: var(--sc-steel);
    border: 1px solid var(--sc-border);
    border-top: 3px solid var(--sc-cyan);
}

.sc-tool-copy {
    min-width: 0;
}

.sc-tool-copy h3 {
    margin: 0 0 12px;
    font-size: clamp(24px, 3vw, 32px);
    line-height: 1.15;
}

.sc-tool-copy p {
    margin: 0 0 20px;
    font-size: 16px;
    color: var(--sc-muted);
}

.sc-tool-media {
    margin: 0;
    line-height: 0;
    border: 1px solid var(--sc-border);
    background: var(--sc-charcoal);
}

.sc-tool-media img {
    display: block;
    width: 100%;
    height: auto;
}

.sc-paths {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 20px;
}

/* ---------- Workshop ---------- */

.sc-workshop {
    max-width: none;
    background: var(--sc-steel);
    border-top: 1px solid var(--sc-border) !important;
}

.sc-workshop .sc-section-lede {
    margin-bottom: 22px;
}

/* ---------- Community ---------- */

.sc-community {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 20px;
}

.sc-community-item {
    padding: 26px;
    background: var(--sc-steel);
    border: 1px solid var(--sc-border);
}

.sc-community-item h3 {
    margin: 0 0 12px;
    font-size: 22px;
}

.sc-community-item p {
    margin: 0 0 16px;
    color: var(--sc-muted);
}

.sc-coming-soon {
    display: inline-flex;
    align-items: center;
    min-height: 40px;
    padding: 0 16px;
    font-family: ui-monospace, "SF Mono", "Cascadia Mono", Consolas, monospace;
    font-size: 13px;
    letter-spacing: 1px;
    color: var(--sc-muted);
    border: 1px dashed var(--sc-steel-light);
}

/* ---------- Accessibility ---------- */

.sc-home a:focus-visible,
.sc-home .sc-btn:focus-visible {
    outline: 2px solid var(--sc-cyan);
    outline-offset: 3px;
}

@media (prefers-reduced-motion: reduce) {
    .sc-steelcast-dot,
    .sc-cursor { animation: none; }
    .sc-card,
    .sc-btn { transition: none; }
}

/* ---------- Responsive ---------- */

@media (max-width: 900px) {
    .sc-build-grid,
    .sc-featured-card,
    .sc-grid,
    .sc-grid--2x2,
    .sc-community,
    .sc-paths,
    .sc-tool {
        grid-template-columns: 1fr;
    }
    .sc-methodology {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }
}

@media (max-width: 760px) {
    .sc-hero {
        min-height: 540px;
        align-items: flex-start;
        background-position: 62% center;
    }
    .sc-hero::before {
        background: linear-gradient(to bottom,
            rgba(16, 23, 30, 0.92) 0%,
            rgba(16, 23, 30, 0.86) 55%,
            rgba(16, 23, 30, 0.78) 100%);
    }
    .sc-hero-inner {
        padding: 64px 6% 56px;
    }
    .sc-section {
        padding: 48px 6%;
    }
    .sc-actions {
        flex-direction: column;
        align-items: stretch;
    }
    .sc-btn {
        width: 100%;
    }
    .sc-steelcast-body {
        padding: 24px 20px;
    }
    .sc-card-media {
        margin-left: -20px;
        margin-right: -20px;
    }
    .sc-card {
        padding: 20px;
    }
    .sc-methodology {
        grid-template-columns: 1fr;
    }
}