:root {
    --future-shell-border: rgba(255, 255, 255, 0.08);
    --future-shell-border-strong: rgba(108, 99, 255, 0.22);
    --future-shell-surface: rgba(10, 14, 24, 0.78);
    --future-shell-surface-strong: rgba(12, 18, 30, 0.92);
    --future-shell-surface-soft: rgba(255, 255, 255, 0.04);
    --future-shell-shadow: 0 28px 72px rgba(3, 8, 20, 0.28);
}

body.future-page {
    background:
        radial-gradient(circle at top center, rgba(108, 99, 255, 0.16), transparent 42%),
        radial-gradient(circle at 82% 18%, rgba(45, 212, 191, 0.08), transparent 24%),
        linear-gradient(180deg, rgba(6, 8, 13, 1) 0%, rgba(7, 8, 12, 1) 100%);
}

.future-page .site-main {
    max-width: 1240px;
    padding: 1.5rem 1.5rem 4rem;
    margin: 0 auto;
}

.future-page .site-nav {
    max-width: calc(1240px + 3rem);
    background: rgba(7, 10, 18, 0.58);
    border-color: rgba(255, 255, 255, 0.07);
    margin: 0 auto;
}

/* ── Refined Hero Section ── */
.future-page .feat-hero,
.future-page .about-hero,
.future-page .rev-hero,
.future-page .settings-header {
    position: relative;
    overflow: hidden;
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-radius: 32px;
    background:
        linear-gradient(135deg, rgba(11, 16, 28, 0.94), rgba(8, 10, 18, 0.78)),
        radial-gradient(circle at top left, rgba(108, 99, 255, 0.14), transparent 32%),
        radial-gradient(circle at bottom right, rgba(45, 212, 191, 0.1), transparent 28%);
    box-shadow: var(--future-shell-shadow);
    isolation: isolate;
}

.future-page .feat-hero::before,
.future-page .about-hero::before,
.future-page .rev-hero::before,
.future-page .settings-header::before {
    content: "";
    position: absolute;
    inset: 0;
    background:
        linear-gradient(rgba(255, 255, 255, 0.025) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255, 255, 255, 0.025) 1px, transparent 1px);
    background-size: 52px 52px;
    mask-image: linear-gradient(180deg, rgba(0, 0, 0, 0.95), rgba(0, 0, 0, 0.35));
    opacity: 0.7;
    pointer-events: none;
    z-index: 1;
}

/* Mesh overlay matching home page */
.hero-mesh {
    position: absolute;
    inset: 0;
    pointer-events: none;
    z-index: 1;
    background:
        radial-gradient(circle at 20% 20%, rgba(108, 99, 255, 0.12), transparent 20%),
        radial-gradient(circle at 80% 15%, rgba(45, 212, 191, 0.08), transparent 20%),
        linear-gradient(180deg, transparent, rgba(0, 0, 0, 0.2));
    opacity: 0.8;
}

.future-page .feat-hero,
.future-page .rev-hero {
    padding: 5rem 2rem 4.5rem;
}

.future-page .about-hero {
    padding: 4.5rem 2rem 4rem;
}

.future-page .settings-header {
    margin-bottom: 2rem;
    padding: 3.5rem 2.5rem 3rem;
}

.future-page .feat-hero__inner,
.future-page .about-hero__inner,
.future-page .rev-hero__inner {
    position: relative;
    z-index: 2;
    text-align: center;
    display: flex;
    flex-direction: column;
    align-items: center;
}

.future-page .hero-eyebrow-pill,
.future-page .about-hero__eyebrow,
.future-page .rev-hero__eyebrow {
    width: fit-content;
    display: inline-flex;
    align-items: center;
    gap: 0.6rem;
    padding: 0.6rem 1rem;
    border-radius: 999px;
    border: 1px solid rgba(45, 212, 191, 0.22);
    background: rgba(45, 212, 191, 0.08);
    color: var(--pl-teal);
    font-size: 0.76rem;
    font-weight: 700;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    margin-bottom: 1.5rem;
}

.future-page .hero-eyebrow-pill::before,
.future-page .about-hero__eyebrow .dot,
.future-page .rev-hero__eyebrow .dot {
    content: "";
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: currentColor;
    box-shadow: 0 0 10px var(--pl-teal);
    animation: signalPulse 2s ease-in-out infinite;
}

@keyframes signalPulse {
    0%, 100% { box-shadow: 0 0 0 0 rgba(45, 212, 191, 0.35); opacity: 1; }
    50% { box-shadow: 0 0 0 8px rgba(45, 212, 191, 0); opacity: 0.6; }
}

.future-page .feat-hero__line1,
.future-page .feat-hero__line2,
.future-page .about-hero h1,
.future-page .rev-hero h1,
.future-page .settings-header h1 {
    font-family: "Space Grotesk", "Inter", sans-serif;
    font-size: clamp(2.8rem, 6vw, 4.8rem);
    letter-spacing: -0.06em;
    line-height: 0.94;
    margin-bottom: 1rem;
}

.future-page .feat-hero__line1,
.future-page .about-hero h1,
.future-page .rev-hero h1 {
    color: #ffffff;
}

.future-page .feat-hero__line2,
.future-page .rev-hero .accent-gradient-text,
.future-page .settings-header h1 {
    background: linear-gradient(135deg, #ffffff 0%, #b3b7ff 48%, #63f0da 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.future-page .feat-hero__lead,
.future-page .about-hero p,
.future-page .rev-hero p,
.future-page .settings-header p {
    color: rgba(244, 244, 247, 0.72);
    font-size: 1.05rem;
    line-height: 1.8;
    max-width: 54ch;
    margin: 0 auto;
}

/* ── Section Rhythm ── */
.future-page .section-divider {
    height: 1px;
    background: linear-gradient(90deg, transparent, rgba(108, 99, 255, 0.42), rgba(45, 212, 191, 0.28), transparent);
    margin: 4rem 0;
}

.future-page .section-title-large,
.future-page .about-section-title,
.future-page .rev-section-title {
    font-family: "Space Grotesk", "Inter", sans-serif;
    font-size: clamp(2rem, 4vw, 3rem);
    letter-spacing: -0.05em;
    line-height: 1;
    margin-bottom: 1.25rem;
}

.future-page .section-eyebrow,
.future-page .about-section-sub,
.future-page .rev-section-sub {
    color: var(--pl-teal);
    font-size: 0.78rem;
    font-weight: 700;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    margin-bottom: 0.75rem;
}

/* ── Premium Cards ── */
.future-page .feature-block,
.future-page .about-card,
.future-page .team-flipcard__front,
.future-page .team-flipcard__back,
.future-page .bigo-card,
.future-page .pattern-card,
.future-page .flashcard__front,
.future-page .flashcard__back,
.future-page .comm-card,
.future-page .sysdesign-card,
.future-page .settings-section,
.future-page .compare-table-wrap,
.future-page .bigo-tip,
.future-page .rev-cta,
.future-page .about-cta {
    border: 1px solid rgba(255, 255, 255, 0.08);
    background: linear-gradient(180deg, rgba(13, 18, 30, 0.82), rgba(9, 12, 22, 0.62));
    backdrop-filter: blur(14px);
    box-shadow: 0 20px 50px rgba(0, 0, 0, 0.24);
    border-radius: 24px;
    transition: transform 0.2s ease, border-color 0.2s ease, box-shadow 0.2s ease;
}

.future-page .feature-block:hover,
.future-page .about-card:hover,
.future-page .bigo-card:hover,
.future-page .pattern-card:hover,
.future-page .comm-card:hover,
.future-page .sysdesign-card:hover {
    transform: translateY(-4px);
    border-color: rgba(108, 99, 255, 0.22);
    box-shadow: 0 24px 60px rgba(0, 0, 0, 0.32);
}

.future-page .feature-block {
    padding: 2rem;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 3rem;
    align-items: center;
}

.future-page .feature-block__visual {
    background:
        radial-gradient(circle at top center, rgba(108, 99, 255, 0.14), transparent 35%),
        linear-gradient(180deg, rgba(10, 14, 24, 0.92), rgba(8, 10, 18, 0.82));
    border: 1px solid rgba(108, 99, 255, 0.16);
    border-radius: 20px;
    min-height: 300px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.future-page .visual-icon-large {
    font-size: 5rem;
    filter: drop-shadow(0 0 30px rgba(108, 99, 255, 0.35));
}

/* ── Specialized elements ── */
.future-page .about-cta,
.future-page .rev-cta,
.future-page .cta-band {
    margin-top: 4rem;
    padding: 3rem 2rem;
    text-align: center;
    border: 1px solid rgba(108, 99, 255, 0.2);
    background:
        linear-gradient(120deg, rgba(108, 99, 255, 0.15), rgba(45, 212, 191, 0.08) 60%, rgba(255, 255, 255, 0.02)),
        rgba(10, 14, 24, 0.9);
}

.future-page .about-cta h2,
.future-page .rev-cta h2,
.future-page .cta-band h2 {
    font-family: "Space Grotesk", "Inter", sans-serif;
    font-size: clamp(1.8rem, 4vw, 2.8rem);
    letter-spacing: -0.05em;
    margin-bottom: 0.8rem;
}

/* ── Light Theme refinements ── */
html.theme-light body.future-page {
    background:
        radial-gradient(circle at top center, rgba(108, 99, 255, 0.08), transparent 42%),
        radial-gradient(circle at 82% 18%, rgba(45, 212, 191, 0.05), transparent 24%),
        linear-gradient(180deg, #f8f9fd 0%, #eff2f9 100%);
}

html.theme-light .future-page .feat-hero,
html.theme-light .future-page .about-hero,
html.theme-light .future-page .rev-hero,
html.theme-light .future-page .settings-header,
html.theme-light .future-page .feature-block,
html.theme-light .future-page .about-card,
html.theme-light .future-page .settings-section,
html.theme-light .future-page .rev-cta,
html.theme-light .future-page .about-cta,
html.theme-light .future-page .compare-table-wrap {
    background: rgba(255, 255, 255, 0.96);
    border-color: rgba(15, 23, 42, 0.06);
    box-shadow: 0 12px 25px rgba(15, 23, 42, 0.04);
}

html.theme-light .future-page .about-cta,
html.theme-light .future-page .rev-cta,
html.theme-light .future-page .cta-band {
    background:
        linear-gradient(120deg, rgba(108, 99, 255, 0.12), rgba(45, 212, 191, 0.05) 60%, rgba(255, 255, 255, 0.16)),
        rgba(255, 255, 255, 0.96);
}

html.theme-light .future-page .feat-hero__line1,
html.theme-light .future-page .about-hero h1,
html.theme-light .future-page .rev-hero h1,
html.theme-light .future-page .settings-header h1 {
    color: var(--pl-text) !important;
}

html.theme-light .future-page .feat-hero__lead,
html.theme-light .future-page .about-hero p,
html.theme-light .future-page .rev-hero p,
html.theme-light .future-page .settings-header p {
    color: var(--pl-muted) !important;
}

html.theme-light .future-page .feat-hero,
html.theme-light .future-page .about-hero,
html.theme-light .future-page .rev-hero,
html.theme-light .future-page .settings-header {
    box-shadow: 0 10px 18px rgba(15, 23, 42, 0.06);
}

html.theme-light .future-page .feat-hero::before,
html.theme-light .future-page .about-hero::before,
html.theme-light .future-page .rev-hero::before,
html.theme-light .future-page .settings-header::before {
    mask-image: linear-gradient(180deg, rgba(255, 255, 255, 0.92), rgba(255, 255, 255, 0.75));
    opacity: 0.35;
}

html.theme-light .future-page .hero-mesh {
    background:
        radial-gradient(circle at 20% 20%, rgba(108, 99, 255, 0.04), transparent 20%),
        radial-gradient(circle at 80% 15%, rgba(45, 212, 191, 0.03), transparent 20%),
        linear-gradient(180deg, transparent, rgba(255, 255, 255, 0.08));
    opacity: 0.5;
}