/* =====================================================
   SpecViber — Public Site
   Implements D1021 / D1022 visual system
   ===================================================== */

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

:root {
    --sp-bg: #ffffff;
    --sp-bg-alt: #f7f8fa;
    --sp-card: #ffffff;
    --sp-border: #e8e8ee;
    --sp-border-soft: #f1f1f5;
    --sp-text: #16171c;
    --sp-text-sec: #52525c;
    --sp-text-muted: #8a8b94;
    --sp-primary: #667eea;
    --sp-primary-hover: #5a6fd6;
    --sp-primary-strong: #4338ca;
    --sp-primary-subtle: rgba(102,126,234,0.07);
    --sp-on-primary: #ffffff;
    --sp-success: #10b981;
    --sp-danger: #ef4444;
    --sp-warning: #f59e0b;
    --sp-radius: 12px;
    --sp-radius-lg: 18px;
    --sp-shadow: 0 1px 2px rgba(20,20,45,0.04), 0 1px 3px rgba(20,20,45,0.06);
    --sp-shadow-lg: 0 14px 40px -12px rgba(20,20,55,0.16);
    --sp-shadow-xl: 0 30px 64px -20px rgba(20,20,55,0.22);
    --sp-font: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    --sp-font-mono: 'Cascadia Code', 'Fira Code', ui-monospace, monospace;
    --sp-max: 1120px;
    --sp-section-pad: 6rem;
}

html { scroll-behavior: smooth; }
body {
    font-family: var(--sp-font); background: var(--sp-bg); color: var(--sp-text); line-height: 1.6;
    -webkit-font-smoothing: antialiased; -moz-osx-font-smoothing: grayscale;
    text-rendering: optimizeLegibility;
}

/* ── Global nav ────────────────────────────────────── */
.sp-nav {
    position: sticky; top: 0; z-index: 100;
    background: rgba(255,255,255,0.72); backdrop-filter: saturate(180%) blur(16px);
    border-bottom: 1px solid var(--sp-border-soft);
    padding: 0 2rem; display: flex; align-items: center; height: 66px;
    gap: 1.25rem;
}
.sp-nav-logo { font-weight: 700; font-size: 1.15rem; color: var(--sp-primary); text-decoration: none; display: flex; align-items: center; gap: .4rem; }
.sp-nav-logo svg { width: 24px; height: 24px; }
.sp-nav-links { display: flex; gap: 1.3rem; list-style: none; margin-left: 1.5rem; }
.sp-nav-links a { color: var(--sp-text-sec); text-decoration: none; font-size: .92rem; font-weight: 500; transition: color .15s; }
.sp-nav-links a:hover, .sp-nav-links a.active { color: var(--sp-primary-strong); }
.sp-nav-cta { margin-left: auto; display: flex; align-items: center; gap: .75rem; }
.sp-btn-request {
    background: var(--sp-primary); color: var(--sp-on-primary);
    padding: .55rem 1.15rem; border-radius: 9px; text-decoration: none;
    font-size: .9rem; font-weight: 600;
    box-shadow: 0 1px 2px rgba(20,20,55,0.12), inset 0 1px 0 rgba(255,255,255,0.16);
    transition: background .15s, transform .12s, box-shadow .15s;
}
.sp-btn-request:hover { background: var(--sp-primary-hover); transform: translateY(-1px); box-shadow: 0 6px 16px -4px rgba(102,126,234,0.5); }

/* Secondary Open-app link in nav (D1033 Seam A) */
.sp-nav-open-app {
    color: var(--sp-text-sec); text-decoration: none;
    font-size: .9rem; font-weight: 500;
    padding: .35rem .6rem; border-radius: 6px;
    transition: color .15s, background .15s;
}
.sp-nav-open-app:hover { color: var(--sp-primary-strong); background: var(--sp-primary-subtle, rgba(102,126,234,0.08)); }

/* Legacy nav-CTA (register.html) */
.sp-nav-cta a.secondary {
    background: transparent; color: var(--sp-text-sec); border: 1px solid var(--sp-border);
    padding: .45rem 1.1rem; border-radius: 6px; text-decoration: none; font-size: .9rem; font-weight: 500;
    transition: border-color .15s, color .15s;
}
.sp-nav-cta a.secondary:hover { color: var(--sp-primary); border-color: var(--sp-primary); }

/* ── Typography helpers ────────────────────────────── */
.sp-eyebrow, .sp-eyebrow-center {
    font-size: .8rem; text-transform: uppercase; letter-spacing: .08em;
    color: var(--sp-primary-strong); font-weight: 600;
}
.sp-eyebrow { margin-bottom: .9rem; }
.sp-eyebrow-center { text-align: left; margin-bottom: .8rem; }
.sp-lead { font-size: 1.15rem; color: var(--sp-text-sec); margin-bottom: 1rem; line-height: 1.55; }
.sp-support { color: var(--sp-text-sec); margin-bottom: 1.6rem; font-size: 1rem; }
.sp-microcopy { font-size: .85rem; color: var(--sp-text-muted); margin-top: 1.25rem; }
.sp-microcopy-center { text-align: center; font-size: .9rem; color: var(--sp-text-muted); margin-top: 1.75rem; }
.sp-support-line { text-align: left; color: var(--sp-text-sec); margin-top: 2rem; font-size: 1rem; font-style: italic; }

.sp-h2 { text-align: left; font-size: 2.35rem; font-weight: 800; line-height: 1.18; margin-bottom: 1.1rem; letter-spacing: -0.025em; color: var(--sp-text); }
.sp-h2-left { font-size: 1.95rem; font-weight: 800; line-height: 1.22; margin-bottom: 1rem; letter-spacing: -0.022em; color: var(--sp-text); }
.sp-intro-center { text-align: left; max-width: 820px; margin: 0 0 2rem; color: var(--sp-text-sec); font-size: 1.12rem; line-height: 1.6; }
.sp-intro-left { max-width: 820px; margin: 0 0 1.5rem; color: var(--sp-text-sec); font-size: 1.12rem; line-height: 1.6; }
.sp-support-left { text-align: left; margin-left: 0; margin-right: 0; max-width: 820px; }

.sp-text-link a, .sp-text-link-center a, a.sp-text-link { color: var(--sp-primary-strong); font-weight: 600; text-decoration: none; }
.sp-text-link a:hover, .sp-text-link-center a:hover, a.sp-text-link:hover { text-decoration: underline; }
.sp-text-link { margin: 1.25rem 0; }
.sp-text-link-center { text-align: center; margin-top: 1.5rem; }

/* ── Hero (homepage, section 3.1) ──────────────────── */
.sp-hero-new {
    max-width: 1240px; margin: 0 auto;
    padding: 6rem 2rem 4rem;
}
.sp-hero-text {
    max-width: 880px;
}
.sp-hero-text h1 {
    font-size: 3.35rem; font-weight: 800; line-height: 1.08;
    margin-bottom: 1.1rem; color: var(--sp-text);
    letter-spacing: -0.035em;
}
.sp-hero-figure {
    margin: 3.25rem 0 0; max-width: 1240px;
}
.sp-hero-caption {
    margin-top: 1rem; text-align: left;
    color: var(--sp-text-muted); font-size: .95rem;
}
.sp-hero-actions { display: flex; gap: .85rem; flex-wrap: wrap; margin-top: .4rem; }
.sp-hero-cta {
    display: inline-block; background: var(--sp-primary); color: var(--sp-on-primary);
    padding: .8rem 1.6rem; border-radius: 10px; font-size: 1rem; font-weight: 600;
    text-decoration: none;
    box-shadow: 0 1px 2px rgba(20,20,55,0.12), inset 0 1px 0 rgba(255,255,255,0.16);
    transition: background .15s, transform .12s, box-shadow .15s;
}
.sp-hero-cta:hover { background: var(--sp-primary-hover); transform: translateY(-1px); box-shadow: 0 10px 24px -6px rgba(102,126,234,0.5); }
.sp-hero-cta.ghost { background: var(--sp-card); color: var(--sp-text); border: 1px solid var(--sp-border); box-shadow: var(--sp-shadow); }
.sp-hero-cta.ghost:hover { background: var(--sp-bg-alt); color: var(--sp-primary-strong); border-color: var(--sp-primary); box-shadow: var(--sp-shadow-lg); }

/* ── Sub-hero (secondary pages 4–9) ────────────────── */
.sp-sub-hero {
    max-width: 1120px; margin: 0 auto; text-align: left;
    padding: 5rem 2rem 3rem;
}
.sp-sub-hero h1 { font-size: 2.9rem; font-weight: 800; line-height: 1.1; margin-bottom: 1rem; letter-spacing: -0.03em; color: var(--sp-text); max-width: 900px; }
.sp-sub-hero .sp-eyebrow { display: block; margin-bottom: .8rem; }
.sp-sub-hero .sp-lead { max-width: 820px; margin: 0 0 1.5rem; }

.sp-page-anchor-nav {
    display: flex; justify-content: center; gap: 1rem; flex-wrap: wrap;
    margin-top: 1.8rem; padding-top: 1.3rem;
    border-top: 1px solid var(--sp-border);
}
.sp-page-anchor-nav a {
    font-size: .85rem; color: var(--sp-text-sec); text-decoration: none;
    padding: .35rem .8rem; border-radius: 6px; transition: all .15s;
}
.sp-page-anchor-nav a:hover { color: var(--sp-primary-strong); background: var(--sp-primary-subtle); }

/* ── Visual frames (illustrations / screenshots) ───────
   The frame hugs whatever image it holds: the image sets the height,
   so any aspect ratio drops in cleanly with no letterboxing.
   Drop a replacement image of any shape — no cropping required. */
.sp-placeholder {
    position: relative;
    background:
        linear-gradient(180deg, rgba(102,126,234,0.06), rgba(102,126,234,0.02)),
        var(--sp-card);
    border: 1px solid var(--sp-border);
    border-radius: var(--sp-radius-lg);
    overflow: hidden;
    box-shadow: var(--sp-shadow-xl);
    display: block;
    line-height: 0;
}
/* hairline inner highlight for a glass/elevated edge */
.sp-placeholder::after {
    content: ""; position: absolute; inset: 0; pointer-events: none;
    border-radius: inherit; box-shadow: inset 0 1px 0 rgba(255,255,255,0.6);
}
.sp-placeholder svg, .sp-placeholder img {
    width: 100%; height: auto; display: block; aspect-ratio: auto;
}
/* Legacy sizing classes are now no-ops: the image defines the box. */
.sp-placeholder-hero, .sp-placeholder-square { width: 100%; }
.sp-md-example { padding: 0; background: var(--sp-card); }
.sp-md-code {
    font-family: var(--sp-font-mono); font-size: .82rem; color: var(--sp-text);
    white-space: pre-wrap; line-height: 1.55; width: 100%; padding: 1.25rem;
}
.sp-md-code em { color: var(--sp-primary-strong); font-style: italic; }

/* ── Definition strip (3.2) ────────────────────────── */
.sp-def-strip {
    background: var(--sp-bg-alt);
    padding: 4rem 2rem;
    border-top: 1px solid var(--sp-border-soft);
    border-bottom: 1px solid var(--sp-border-soft);
}
.sp-def-inner { max-width: var(--sp-max); margin: 0 auto; text-align: left; }
.sp-def-inner h2 { font-size: 1.85rem; font-weight: 800; margin-bottom: 1rem; letter-spacing: -0.022em; color: var(--sp-text); }
.sp-def-inner p { color: var(--sp-text-sec); max-width: 820px; margin: 0 0 1.5rem; font-size: 1.02rem; }
.sp-chips { display: flex; justify-content: flex-start; gap: .7rem; flex-wrap: wrap; }
.sp-chip {
    background: var(--sp-card); border: 1px solid var(--sp-border);
    padding: .4rem 1rem; border-radius: 999px;
    font-size: .85rem; font-weight: 500; color: var(--sp-text-sec);
    text-decoration: none; transition: all .15s;
}
.sp-chip:hover { color: var(--sp-primary-strong); border-color: var(--sp-primary); background: var(--sp-primary-subtle); }

/* ── Section shell ─────────────────────────────────── */
.sp-section-d1021 {
    max-width: var(--sp-max); margin: 0 auto;
    padding: var(--sp-section-pad) 2rem;
}
.sp-section-alt {
    background: var(--sp-bg-alt);
    max-width: none;
}
.sp-section-alt > * { max-width: var(--sp-max); margin-left: auto; margin-right: auto; }
.sp-section-alt.sp-section-d1021 { padding-left: 2rem; padding-right: 2rem; }

/* ── Problem cards (3.3) ───────────────────────────── */
.sp-problem-cards {
    display: grid; grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
    gap: 1rem; max-width: 860px; margin: 0 auto;
}
.sp-problem-card {
    background: var(--sp-card); border: 1px solid var(--sp-border); border-radius: var(--sp-radius);
    padding: 1.25rem 1.1rem; text-align: center;
    box-shadow: var(--sp-shadow);
}
.sp-problem-card strong { display: block; color: var(--sp-text); font-size: 1rem; margin-bottom: .3rem; }
.sp-problem-card p { color: var(--sp-text-muted); font-size: .88rem; }

/* ── Three principles (3.5) ────────────────────────── */
.sp-principles {
    display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.25rem;
}
.sp-principle-card {
    background: var(--sp-card); border: 1px solid var(--sp-border); border-radius: var(--sp-radius);
    padding: 1.75rem; text-decoration: none; color: inherit;
    transition: border-color .15s, transform .15s, box-shadow .15s;
    box-shadow: var(--sp-shadow);
    display: block;
}
.sp-principle-card:hover {
    border-color: var(--sp-primary); transform: translateY(-2px); box-shadow: var(--sp-shadow-lg);
}
.sp-principle-card h3 { font-size: 1.1rem; font-weight: 700; margin-bottom: .6rem; color: var(--sp-text); }
.sp-principle-card p { color: var(--sp-text-sec); font-size: .95rem; line-height: 1.5; }

/* ── Timeline (3.6) ────────────────────────────────── */
.sp-timeline {
    display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.25rem;
    max-width: 920px; margin: 0 auto;
}
.sp-tl-step {
    background: var(--sp-card); border: 1px solid var(--sp-border); border-radius: var(--sp-radius);
    padding: 1.5rem; box-shadow: var(--sp-shadow);
}
.sp-tl-num {
    width: 38px; height: 38px; border-radius: 50%;
    background: var(--sp-primary-subtle); color: var(--sp-primary-strong);
    display: inline-flex; align-items: center; justify-content: center;
    font-weight: 700; font-size: 1rem; margin-bottom: .9rem;
}
.sp-tl-step h3 { font-size: 1.05rem; margin-bottom: .5rem; }
.sp-tl-step p { color: var(--sp-text-sec); font-size: .92rem; }

/* ── Visual grid (3.7, 4.6) ────────────────────────── */
.sp-visual-grid {
    display: grid; grid-template-columns: repeat(2, 1fr); gap: 1.2rem;
    max-width: 840px; margin: 2rem auto 0;
}
.sp-visual-grid-3 { grid-template-columns: repeat(3, 1fr); max-width: 960px; }
.sp-visual-panel { display: flex; flex-direction: column; gap: .7rem; }
.sp-visual-caption { text-align: center; color: var(--sp-text-sec); font-size: .9rem; font-weight: 500; }

/* ── Audience fit (3.8) ────────────────────────────── */
.sp-audience {
    display: grid; grid-template-columns: 1.1fr 1fr; gap: 2.5rem;
    align-items: start;
}
.sp-audience-now h2 { font-size: 1.75rem; font-weight: 700; margin-bottom: 1rem; }
.sp-audience-now p { color: var(--sp-text-sec); font-size: 1.02rem; }
.sp-audience-next {
    background: var(--sp-card); border: 1px solid var(--sp-border);
    border-left: 3px solid var(--sp-primary);
    border-radius: var(--sp-radius);
    padding: 1.5rem;
}
.sp-audience-next h3 { font-size: 1.1rem; margin-bottom: .6rem; }
.sp-audience-next p { color: var(--sp-text-sec); font-size: .92rem; margin-bottom: .8rem; }
.sp-audience-next a { color: var(--sp-primary-strong); text-decoration: none; font-weight: 600; font-size: .9rem; }
.sp-audience-next a:hover { text-decoration: underline; }

/* ── Deeper reading (3.9) ──────────────────────────── */
.sp-deeper-grid {
    display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.1rem;
}
.sp-deeper-card {
    background: var(--sp-card); border: 1px solid var(--sp-border); border-radius: var(--sp-radius);
    padding: 1.5rem; text-decoration: none; color: inherit;
    transition: all .15s; box-shadow: var(--sp-shadow);
}
.sp-deeper-card:hover { border-color: var(--sp-primary); transform: translateY(-2px); box-shadow: var(--sp-shadow-lg); }
.sp-deeper-card h3 { font-size: 1.02rem; margin-bottom: .4rem; font-weight: 700; }
.sp-deeper-card p { color: var(--sp-text-sec); font-size: .88rem; margin-bottom: .8rem; }
.sp-read-link { color: var(--sp-primary-strong); font-size: .85rem; font-weight: 600; }

/* ── Final CTA band (3.10, 4.7, 5.8, 7.3) ──────────── */
.sp-final-cta {
    text-align: center; padding: 4rem 2rem;
    background: linear-gradient(180deg, var(--sp-bg) 0%, var(--sp-bg-alt) 100%);
    border-top: 1px solid var(--sp-border);
}
.sp-final-cta h2 { font-size: 2.1rem; font-weight: 800; margin-bottom: .8rem; letter-spacing: -0.025em; color: var(--sp-text); }
.sp-final-cta p { color: var(--sp-text-sec); max-width: 640px; margin: 0 auto 1.6rem; font-size: 1rem; }
.sp-final-cta-actions { display: flex; justify-content: center; gap: .85rem; flex-wrap: wrap; }

/* ── Two-column (how it works, mechanics) ──────────── */
.sp-two-col {
    display: grid; grid-template-columns: 1.1fr 1fr; gap: 2.5rem;
    align-items: center;
}
.sp-two-col > div:first-child h2 { font-size: 1.7rem; font-weight: 700; margin-bottom: 1rem; }
.sp-two-col > div:first-child p { color: var(--sp-text-sec); font-size: 1.02rem; }

/* ── Callout (5.7) ─────────────────────────────────── */
.sp-callout {
    max-width: 780px; margin: 0 auto;
    background: var(--sp-card); border: 1px solid var(--sp-border);
    border-left: 4px solid var(--sp-primary);
    border-radius: var(--sp-radius);
    padding: 2rem 2rem;
}
.sp-callout h2 { font-size: 1.4rem; margin-bottom: .8rem; }
.sp-callout p { color: var(--sp-text-sec); }

/* ── Status card / summary card (8.2, 6.2) ─────────── */
.sp-status-card, .sp-summary-card {
    background: var(--sp-card); border: 1px solid var(--sp-border); border-radius: var(--sp-radius);
    padding: 1.75rem; box-shadow: var(--sp-shadow);
}
.sp-status-card h2 { font-size: 1.35rem; margin-bottom: .8rem; }
.sp-status-card p { color: var(--sp-text-sec); }
.sp-summary-card p { color: var(--sp-text-sec); font-size: 1.02rem; }

.sp-status-list { list-style: none; display: grid; gap: .6rem; margin-top: 1.2rem; max-width: 640px; }
.sp-status-list li {
    display: flex; align-items: center; gap: .8rem;
    padding: .75rem 1rem; background: var(--sp-card); border: 1px solid var(--sp-border); border-radius: 8px;
    color: var(--sp-text-sec); font-size: .95rem;
}
.sp-status-pill {
    background: var(--sp-warning); color: #78350f;
    padding: .2rem .6rem; border-radius: 4px;
    font-size: .72rem; font-weight: 600;
    text-transform: uppercase; letter-spacing: .04em;
    white-space: nowrap;
    background: #fef3c7;
}

.sp-request-block {
    max-width: 720px; margin: 0 auto;
    background: var(--sp-card); border: 1px solid var(--sp-border); border-radius: var(--sp-radius);
    padding: 2rem; text-align: center; box-shadow: var(--sp-shadow);
}
.sp-request-block h2 { font-size: 1.35rem; margin-bottom: .8rem; }
.sp-request-block p { color: var(--sp-text-sec); margin-bottom: 1.2rem; }

/* ── Steps strip (6.3) ─────────────────────────────── */
.sp-steps-strip {
    display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.1rem;
    max-width: 820px; margin: 1.8rem auto 0;
}
.sp-steps-strip-item {
    background: var(--sp-card); border: 1px solid var(--sp-border); border-radius: var(--sp-radius);
    padding: 1.3rem; text-align: center;
}
.sp-steps-strip-item h3 { font-size: 1rem; margin-bottom: .4rem; }
.sp-steps-strip-item p { color: var(--sp-text-sec); font-size: .88rem; }
.sp-steps-strip-item .sp-tl-num { margin: 0 auto .7rem; }

/* ── Alt card (6.5, 9.4) ───────────────────────────── */
.sp-alt-card {
    max-width: 680px; margin: 0 auto;
    background: var(--sp-card); border: 1px solid var(--sp-border); border-radius: var(--sp-radius);
    padding: 1.75rem; text-align: center; box-shadow: var(--sp-shadow);
}
.sp-alt-card h2 { font-size: 1.3rem; margin-bottom: .6rem; }
.sp-alt-card p { color: var(--sp-text-sec); margin-bottom: 1rem; }

/* ── Best-fit list (9.2) ───────────────────────────── */
.sp-bestfit { list-style: none; margin-top: 1.2rem; display: grid; gap: .5rem; max-width: 640px; }
.sp-bestfit li { color: var(--sp-text-sec); padding-left: 1.5rem; position: relative; font-size: .98rem; }
.sp-bestfit li::before { content: "•"; color: var(--sp-primary); position: absolute; left: .5rem; font-weight: 700; }

/* ── Now / Later (9.3) ─────────────────────────────── */
.sp-now-later {
    display: grid; grid-template-columns: 1fr 1.4fr; gap: 1.5rem; align-items: start;
}
.sp-now-later-card {
    background: var(--sp-card); border: 1px solid var(--sp-border); border-radius: var(--sp-radius);
    padding: 1.5rem;
}
.sp-now { border-color: var(--sp-primary); }
.sp-now h3, .sp-later h3 { font-size: 1.05rem; margin-bottom: .6rem; font-weight: 700; }
.sp-now p, .sp-later p { color: var(--sp-text-sec); font-size: .95rem; }
.sp-later { opacity: .85; }

/* ── FAQ (7.2) ─────────────────────────────────────── */
.sp-faq { max-width: 820px; margin: 0 auto; display: grid; gap: .7rem; }
.sp-faq-item {
    background: var(--sp-card); border: 1px solid var(--sp-border); border-radius: var(--sp-radius);
    overflow: hidden; transition: border-color .15s, box-shadow .15s;
}
.sp-faq-item[open] { border-color: var(--sp-primary); box-shadow: var(--sp-shadow); }
.sp-faq-item summary {
    padding: 1.1rem 1.3rem; cursor: pointer;
    display: flex; justify-content: space-between; align-items: center;
    font-weight: 600; font-size: 1rem; color: var(--sp-text); list-style: none;
}
.sp-faq-item summary::-webkit-details-marker { display: none; }
.sp-faq-icon {
    color: var(--sp-primary); font-weight: 700; font-size: 1.3rem;
    transition: transform .15s;
}
.sp-faq-item[open] .sp-faq-icon { transform: rotate(45deg); }
.sp-faq-body { padding: 0 1.3rem 1.3rem; color: var(--sp-text-sec); font-size: .98rem; line-height: 1.6; }

/* ── Forms (access, contact, register) ─────────────── */
.sp-form-wrap { max-width: 540px; margin: 0 auto; }
.sp-form-wrap h2 { text-align: center; font-size: 1.5rem; margin-bottom: .4rem; }
.sp-form-intro { text-align: center; color: var(--sp-text-sec); margin-bottom: 1.5rem; font-size: .97rem; }

.sp-register { max-width: 440px; margin: 0 auto; padding: 4rem 1.5rem; }
.sp-register h2 { text-align: center; font-size: 1.5rem; margin-bottom: .3rem; }
.sp-register .sp-reg-sub { text-align: center; color: var(--sp-text-sec); margin-bottom: 1.5rem; font-size: .95rem; }
.sp-register .sp-reg-sub a { color: var(--sp-primary-strong); }

.sp-form {
    background: var(--sp-card); border: 1px solid var(--sp-border); border-radius: var(--sp-radius);
    padding: 1.8rem; box-shadow: var(--sp-shadow-lg);
}
.sp-field { margin-bottom: 1rem; }
.sp-field label { display: block; font-size: .88rem; font-weight: 500; margin-bottom: .35rem; color: var(--sp-text); }
.sp-optional { color: var(--sp-text-muted); font-weight: 400; font-size: .82rem; }
.sp-field input, .sp-field textarea {
    width: 100%; padding: .6rem .8rem; font-size: .95rem;
    border: 1px solid var(--sp-border); border-radius: 6px;
    background: var(--sp-bg); color: var(--sp-text); transition: border-color .15s, box-shadow .15s;
    font-family: inherit;
}
.sp-field textarea { resize: vertical; min-height: 70px; }
.sp-field input:focus, .sp-field textarea:focus {
    outline: none; border-color: var(--sp-primary);
    box-shadow: 0 0 0 3px var(--sp-primary-subtle);
}
.sp-field .sp-hint { font-size: .78rem; color: var(--sp-text-muted); margin-top: .25rem; }

.sp-btn-submit {
    width: 100%; padding: .8rem; font-size: 1rem; font-weight: 600;
    background: var(--sp-primary); color: var(--sp-on-primary); border: none;
    border-radius: 7px; cursor: pointer; transition: background .15s;
    font-family: inherit;
}
.sp-btn-submit:hover { background: var(--sp-primary-hover); }
.sp-btn-submit:disabled { opacity: .6; cursor: not-allowed; }

.sp-form-error {
    background: rgba(239,68,68,.08); color: var(--sp-danger); border: 1px solid rgba(239,68,68,.15);
    border-radius: 6px; padding: .6rem .8rem; font-size: .88rem; margin-bottom: 1rem; display: none;
}
.sp-form-error.show { display: block; }

.sp-form-success {
    background: rgba(16,185,129,.08); color: #047857; border: 1px solid rgba(16,185,129,.18);
    border-radius: var(--sp-radius); padding: 1.2rem 1.4rem;
    text-align: center; display: none; margin-top: 1rem;
}
.sp-form-success.show { display: block; }
.sp-form-wrap.submitted .sp-form { display: none; }

/* ── Onboarding (register.html) ────────────────────── */
.sp-onboarding { max-width: 700px; margin: 0 auto; padding: 4rem 1.5rem; display: none; }
.sp-onboarding.show { display: block; }
.sp-ob-success { text-align: center; margin-bottom: 2rem; }
.sp-ob-success h2 { color: var(--sp-success); font-size: 1.5rem; margin-bottom: .3rem; }
.sp-ob-success p { color: var(--sp-text-sec); }
.sp-ob-steps { display: flex; flex-direction: column; gap: 1.5rem; }
.sp-ob-step { background: var(--sp-card); border: 1px solid var(--sp-border); border-radius: var(--sp-radius); padding: 1.5rem; }
.sp-ob-step h3 { font-size: 1.1rem; margin-bottom: .5rem; color: var(--sp-text); }
.sp-ob-step p { color: var(--sp-text-sec); line-height: 1.6; }
.sp-ob-step a:not(.sp-hero-cta) { color: var(--sp-primary-strong); text-decoration: underline; }

/* ── Footer (new) ──────────────────────────────────── */
.sp-footer-new {
    background: #0f172a; color: #cbd5e1;
    padding: 2.5rem 2rem; margin-top: 3rem;
}
.sp-footer-inner {
    max-width: var(--sp-max); margin: 0 auto;
    display: grid; grid-template-columns: 1.5fr 1fr; gap: 2rem;
    align-items: center;
}
.sp-footer-restate { font-size: .95rem; line-height: 1.6; color: #cbd5e1; max-width: 520px; }
.sp-footer-links { list-style: none; display: flex; flex-wrap: wrap; gap: .75rem 1.3rem; justify-content: flex-end; }
.sp-footer-links a { color: #cbd5e1; text-decoration: none; font-size: .88rem; font-weight: 500; transition: color .15s; }
.sp-footer-links a:hover { color: #ffffff; }

/* Legacy footer (register.html old fallback) */
.sp-footer { text-align: center; padding: 2rem 1.5rem; color: var(--sp-text-muted); font-size: .85rem; border-top: 1px solid var(--sp-border); margin-top: 2rem; }

/* Access notice — invite-only status banner (D714 / D1036) */
.sp-phase-notice {
    position: fixed;
    top: 80px;              /* sits below the nav so it never overlaps it */
    right: 1.25rem;
    max-width: 400px;
    z-index: 1000;
    padding: 1rem 1.25rem;
    background: #fef3c7;
    border: 1px solid #f59e0b;
    border-left: 4px solid #f59e0b;
    border-radius: 10px;
    color: #78350f;
    font-size: 1rem;
    line-height: 1.5;
    box-shadow: 0 8px 22px rgba(0, 0, 0, 0.12);
}
.sp-phase-notice a { color: #b45309; font-weight: 700; text-decoration: underline; }
.sp-phase-notice a:hover { color: #92400e; }
@media (max-width: 960px) {
    .sp-phase-notice { top: 72px; max-width: 320px; font-size: .92rem; padding: .8rem 1rem; }
}
@media (max-width: 640px) {
    .sp-phase-notice { position: fixed; top: auto; bottom: 1rem; right: .75rem; left: .75rem; max-width: none; font-size: .95rem; }
}

/* ── D1029 additions: hero body, feature grid, result cards, status pills, mini features, faq-list ── */

.sp-hero-body {
    display: flex; flex-direction: column; gap: .55rem;
    color: var(--sp-text-sec); font-size: 1rem; line-height: 1.6;
    margin: 1rem 0 1.25rem;
}
.sp-hero-body p { margin: 0; }
.sp-hero-body strong { color: var(--sp-text); }

.sp-feature-grid {
    display: grid; grid-template-columns: repeat(3, 1fr); gap: 1rem;
    max-width: var(--sp-max); margin: 0 auto;
}
.sp-feature-grid-2 { grid-template-columns: repeat(2, 1fr); }
.sp-feature-grid-4 { grid-template-columns: repeat(4, 1fr); }
.sp-feature-grid-5 { grid-template-columns: repeat(5, 1fr); }

.sp-feature-card {
    background: var(--sp-card); border: 1px solid var(--sp-border);
    border-radius: var(--sp-radius); padding: 1.35rem;
    text-decoration: none; color: inherit; display: block;
    transition: border-color .15s, transform .15s, box-shadow .15s;
}
.sp-feature-card:not(.static):hover {
    border-color: var(--sp-primary); transform: translateY(-2px); box-shadow: var(--sp-shadow-lg);
}
.sp-feature-card.static { cursor: default; }
.sp-feature-card h3 {
    font-size: 1.02rem; font-weight: 700; color: var(--sp-text);
    margin-bottom: .45rem; line-height: 1.3;
}
.sp-feature-card p { color: var(--sp-text-sec); font-size: .9rem; line-height: 1.55; margin: 0; }
.sp-feature-card code { font-family: ui-monospace, SFMono-Regular, Menlo, monospace; font-size: .88em; }

.sp-result-cards {
    display: grid; grid-template-columns: repeat(3, 1fr); gap: 1rem;
    max-width: var(--sp-max); margin: 2rem auto 0;
}
.sp-result-card {
    background: var(--sp-card); border: 1px solid var(--sp-border);
    border-left: 3px solid var(--sp-primary);
    border-radius: var(--sp-radius); padding: 1.5rem;
}
.sp-result-card h3 {
    font-size: 1.05rem; font-weight: 700; color: var(--sp-text);
    margin-bottom: .55rem;
}
.sp-result-card p { color: var(--sp-text-sec); font-size: .95rem; line-height: 1.55; margin: 0; }

.sp-mini-features { display: grid; gap: .9rem; margin-top: 1.25rem; }
.sp-mini-feature {
    padding: .9rem 1.1rem;
    background: rgba(102,126,234,0.08);
    border-left: 3px solid var(--sp-primary);
    border-radius: 4px;
}
.sp-mini-feature strong { display: block; color: var(--sp-text); font-size: .98rem; margin-bottom: .25rem; }
.sp-mini-feature p { color: var(--sp-text-sec); font-size: .9rem; margin: 0; }

.sp-visual-grid-2 { grid-template-columns: repeat(2, 1fr); max-width: 720px; }
.sp-visual-grid-4 { grid-template-columns: repeat(4, 1fr); max-width: 1100px; }

.sp-status-pills {
    list-style: none; display: grid; gap: .55rem;
    max-width: 640px; margin: 1.5rem auto 0;
}
.sp-status-pills li {
    display: flex; justify-content: space-between; align-items: center; gap: 1rem;
    padding: .75rem 1rem;
    background: var(--sp-card); border: 1px solid var(--sp-border);
    border-radius: var(--sp-radius); font-size: .93rem;
}
.sp-pill-label { color: var(--sp-text); font-weight: 500; }
.sp-pill-status { color: var(--sp-text-muted); font-size: .85rem; font-style: italic; }

.sp-faq-list { max-width: 820px; margin: 0 auto; display: grid; gap: .7rem; }
.sp-faq-wide { max-width: 960px; }
.sp-faq-list .sp-faq-item summary {
    list-style: none; cursor: pointer; padding: 1rem 1.25rem;
    font-weight: 600; color: var(--sp-text); font-size: .98rem;
}
.sp-faq-list .sp-faq-item p { padding: 0 1.25rem 1.2rem; color: var(--sp-text-sec); font-size: .95rem; line-height: 1.6; margin: 0; }

/* ── Image-led storytelling primitives (D1120) ─────────
   Stacked showcase bands: a left-aligned two-column header
   (heading left, supporting copy right) above a large,
   near-full-width product image. Alternating backgrounds give
   rhythm so several big images carry the page (Linear-style). */

/* One showcase band = full-bleed section, left-aligned header,
   then a wide image that spans well past the text column. */
.sp-band {
    padding: var(--sp-section-pad) 2rem;
    background: var(--sp-bg);
    text-align: left;
}
.sp-band.alt {
    background: var(--sp-bg-alt);
    border-top: 1px solid var(--sp-border-soft);
    border-bottom: 1px solid var(--sp-border-soft);
}
.sp-band-inner { max-width: 1240px; margin: 0 auto; }

/* Two-column header: heading on the left, richer copy on the right. */
.sp-band-head {
    display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1.05fr);
    gap: 2.5rem 4rem; align-items: start;
}
.sp-band-head .sp-eyebrow,
.sp-band-head .sp-eyebrow-center { display: block; margin-bottom: .55rem; }
.sp-band-head h2 {
    font-size: 2.4rem; font-weight: 800; line-height: 1.12;
    letter-spacing: -0.026em; color: var(--sp-text); margin: 0;
}
.sp-band-copy { color: var(--sp-text-sec); }
.sp-band-copy p { font-size: 1.08rem; line-height: 1.62; margin: 0 0 .85rem; }
.sp-band-copy p:last-of-type { margin-bottom: 0; }
.sp-band-copy strong { color: var(--sp-text); font-weight: 650; }
.sp-band-copy .sp-band-lead { font-size: 1.18rem; line-height: 1.55; color: var(--sp-text); margin-bottom: 1.1rem; }
.sp-band-copy .sp-read-link {
    display: inline-block; margin-top: 1.1rem;
    color: var(--sp-primary-strong); font-weight: 600; text-decoration: none; font-size: .98rem;
}
.sp-band-copy .sp-read-link:hover { text-decoration: underline; }
/* Intro band: no image, so let the chips sit left under the copy. */
.sp-band-intro .sp-band-copy .sp-chips { justify-content: flex-start; margin-top: 1.3rem; }
/* Intro band figure: wide image below the two-column header. */
.sp-band-figure { margin: 2.75rem 0 0; max-width: 1240px; }

/* The big visual — spans near the full container width. */
.sp-band-visual { margin-top: 2.75rem; }
.sp-band-visual .sp-placeholder { max-width: 1240px; margin: 0; }
.sp-band-visual.wide .sp-placeholder { max-width: 1240px; }
.sp-band-visual.narrow .sp-placeholder { max-width: 1040px; }

/* Caption under a visual — a label, not a paragraph. */
.sp-figcaption {
    margin-top: 1rem; text-align: left;
    color: var(--sp-text-muted); font-size: .9rem; line-height: 1.5;
}

/* Legacy showcase alias kept for any page still using it. */
.sp-showcase { padding: var(--sp-section-pad) 2rem; background: var(--sp-bg-alt); text-align: left; }
.sp-showcase-inner { max-width: 1240px; margin: 0 auto; }
.sp-showcase .sp-eyebrow-center { display: block; }
.sp-showcase h2 { font-size: 2.1rem; font-weight: 800; letter-spacing: -0.024em; color: var(--sp-text); margin-bottom: .9rem; }
.sp-showcase-lead { color: var(--sp-text-sec); max-width: 760px; margin: 0 0 2.5rem; font-size: 1.1rem; line-height: 1.6; }
.sp-showcase .sp-placeholder { max-width: 1240px; margin: 0; }

/* ── Responsive ────────────────────────────────────── */
@media (max-width: 960px) {
    .sp-hero-new { padding: 3rem 1.5rem; }
    .sp-hero-text h1 { font-size: 2.5rem; }
    .sp-hero-figure { margin-top: 2rem; }
    .sp-principles { grid-template-columns: 1fr; }
    .sp-timeline { grid-template-columns: 1fr; }
    .sp-deeper-grid { grid-template-columns: repeat(2, 1fr); }
    .sp-audience, .sp-two-col, .sp-now-later { grid-template-columns: 1fr; }
    .sp-visual-grid, .sp-visual-grid-3 { grid-template-columns: repeat(2, 1fr); }
    .sp-visual-grid-4 { grid-template-columns: repeat(2, 1fr); }
    .sp-steps-strip { grid-template-columns: 1fr; }
    .sp-footer-inner { grid-template-columns: 1fr; text-align: center; }
    .sp-footer-links { justify-content: center; }
    .sp-footer-restate { margin: 0 auto; }
    .sp-feature-grid, .sp-feature-grid-4, .sp-feature-grid-5 { grid-template-columns: repeat(2, 1fr); }
    .sp-result-cards { grid-template-columns: 1fr; }
    /* Showcase bands: header stacks to one column, image stays full-width. */
    .sp-band { padding: 3.5rem 1.5rem; }
    .sp-band-head { grid-template-columns: 1fr; gap: 1rem; }
    .sp-band-head h2 { font-size: 2rem; }
    .sp-band-visual { margin-top: 1.75rem; }
    .sp-showcase { padding: 3.5rem 1.5rem; }
}
@media (max-width: 640px) {
    .sp-nav { padding: 0 1rem; flex-wrap: wrap; height: auto; padding-top: .65rem; padding-bottom: .65rem; gap: .6rem; }
    .sp-nav-links { display: none; }
    .sp-hero-text h1 { font-size: 1.9rem; }
    .sp-sub-hero h1 { font-size: 1.75rem; }
    .sp-h2 { font-size: 1.55rem; }
    .sp-final-cta h2 { font-size: 1.5rem; }
    .sp-section-d1021 { padding: 2.5rem 1.25rem; }
    .sp-def-strip { padding: 2.2rem 1.25rem; }
    .sp-deeper-grid { grid-template-columns: 1fr; }
    .sp-visual-grid, .sp-visual-grid-3, .sp-visual-grid-4 { grid-template-columns: 1fr; }
    .sp-problem-cards { grid-template-columns: 1fr 1fr; }
    .sp-final-cta { padding: 3rem 1.25rem; }
    .sp-feature-grid, .sp-feature-grid-4, .sp-feature-grid-5, .sp-feature-grid-2 { grid-template-columns: 1fr; }
    .sp-status-pills li { flex-direction: column; align-items: flex-start; gap: .2rem; }
    .sp-band-head h2 { font-size: 1.7rem; }
    .sp-showcase h2 { font-size: 1.55rem; }
}