/* =========================================================
   Design tokens — Apple semantic dark (adapted for marketing)
   ========================================================= */
:root {
    /* Surfaces */
    --bg:               #000;
    --surface-1:        #1c1c1e;
    --surface-2:        #2c2c2e;
    --surface-3:        #3a3a3c;

    /* Separators */
    --separator:        rgba(255, 255, 255, 0.10);
    --separator-strong: rgba(255, 255, 255, 0.18);

    /* Text */
    --text:             #f5f5f7;
    --text-2:           #aeaeb2;
    --text-3:           #8e8e93;
    --text-disabled:    #48484a;

    /* Accents */
    --blue:             #0a84ff;
    --blue-hover:       #409cff;
    --blue-soft:        rgba(10, 132, 255, 0.15);
    --green:            #30d158;
    --orange:           #ff9f0a;
    --red:              #ff453a;
    --yellow:           #ffd60a;
    --indigo:           #5e5ce6;
    --teal:             #64d2ff;

    /* Radii */
    --r-sm:             8px;
    --r-md:             12px;
    --r-lg:             18px;
    --r-xl:             24px;
    --r-pill:           980px;

    /* Fonts */
    --font-sans: -apple-system, BlinkMacSystemFont, "SF Pro Display",
                 "SF Pro Text", "Helvetica Neue", "Segoe UI", system-ui, sans-serif;
    --font-mono: ui-monospace, "SF Mono", "JetBrains Mono", Menlo,
                 Consolas, monospace;

    /* Layout */
    --container:        1180px;
    --container-narrow: 980px;
    --gutter:           clamp(1rem, 4vw, 2rem);

    /* Motion */
    --ease:             cubic-bezier(0.2, 0, 0, 1);
}

/* =========================================================
   Base reset (mobile-first)
   ========================================================= */
*, *::before, *::after { box-sizing: border-box; }

html {
    -webkit-text-size-adjust: 100%;
    scroll-behavior: smooth;
    scroll-padding-top: 5rem;
}

body {
    margin: 0;
    background: var(--bg);
    color: var(--text);
    font-family: var(--font-sans);
    font-size: 17px;
    line-height: 1.5;
    letter-spacing: -0.011em;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    font-feature-settings: "kern", "liga", "calt", "ss01";
    min-height: 100dvh;
    overflow-x: hidden;
}

/* Atmospheric background (warming the dashboard system for marketing) */
body::before {
    content: "";
    position: fixed;
    inset: 0;
    z-index: -1;
    pointer-events: none;
    background:
        radial-gradient(ellipse 80% 50% at 20% -10%, rgba(10, 132, 255, 0.18), transparent 60%),
        radial-gradient(ellipse 60% 40% at 90% 10%, rgba(94, 92, 230, 0.12), transparent 60%),
        radial-gradient(ellipse 70% 50% at 50% 110%, rgba(48, 209, 88, 0.06), transparent 60%);
}

img, svg { max-width: 100%; display: block; }

a {
    color: var(--blue);
    text-decoration: none;
    transition: color 150ms var(--ease);
}
a:hover { color: var(--blue-hover); }

p { margin: 0 0 1rem; }
p:last-child { margin-bottom: 0; }

strong { color: var(--text); font-weight: 600; }
em { color: var(--text); font-style: italic; }

/* =========================================================
   Typography hierarchy
   ========================================================= */
h1, h2, h3, h4 {
    margin: 0 0 0.6rem;
    color: var(--text);
    text-wrap: balance;
}

h1 {
    font-size: clamp(2.1rem, 6.5vw, 4rem);
    font-weight: 700;
    letter-spacing: -0.035em;
    line-height: 1.04;
}

h2 {
    font-size: clamp(1.7rem, 4.4vw, 2.6rem);
    font-weight: 600;
    letter-spacing: -0.03em;
    line-height: 1.1;
}

h3 {
    font-size: 1.15rem;
    font-weight: 600;
    letter-spacing: -0.018em;
    line-height: 1.3;
}

h4 {
    font-size: 0.78rem;
    font-weight: 600;
    letter-spacing: 0.05em;
    text-transform: uppercase;
    color: var(--text-3);
}

.accent {
    background: linear-gradient(180deg, #5ac8fa, #0a84ff 65%, #5e5ce6);
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
}

.kicker {
    display: inline-block;
    font-size: 0.72rem;
    font-weight: 600;
    letter-spacing: 0.14em;
    text-transform: uppercase;
    color: var(--blue);
    margin-bottom: 1rem;
}

.eyebrow {
    color: var(--text-3);
    font-size: 0.72rem;
    font-weight: 600;
    letter-spacing: 0.1em;
    text-transform: uppercase;
}

.deck {
    font-size: 1.1rem;
    line-height: 1.55;
    color: var(--text-2);
    max-width: 60ch;
    font-weight: 400;
    margin-top: 1.25rem;
    margin-bottom: 0;
    letter-spacing: -0.014em;
}
.deck-center { margin-left: auto; margin-right: auto; }

.muted { color: var(--text-2); font-size: 0.95rem; }

@media (min-width: 768px) {
    .deck { font-size: 1.22rem; }
}

/* =========================================================
   Layout helpers
   ========================================================= */
.grid { display: grid; gap: 1.25rem; }
.grid-2 { grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); }
.grid-3 { grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); }

.stack { display: flex; flex-direction: column; gap: 1.25rem; }

/* =========================================================
   Buttons — Apple pill
   ========================================================= */
.btn, button {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 0.8rem 1.5rem;
    min-height: 44px;
    font-size: 0.98rem;
    font-weight: 600;
    letter-spacing: -0.005em;
    border-radius: var(--r-pill);
    border: none;
    background: var(--blue);
    color: #fff;
    cursor: pointer;
    line-height: 1;
    transition: background 150ms var(--ease), transform 150ms var(--ease), box-shadow 200ms var(--ease);
    text-decoration: none;
    box-shadow: 0 4px 16px rgba(10, 132, 255, 0.32);
    font-family: inherit;
}
.btn:hover {
    background: var(--blue-hover);
    color: #fff;
    box-shadow: 0 6px 24px rgba(10, 132, 255, 0.45);
    transform: translateY(-1px);
}
.btn:active { transform: translateY(1px); }

.btn-sm { padding: 0.6rem 1.1rem; font-size: 0.88rem; min-height: 44px; box-shadow: none; }
.btn-sm:hover { box-shadow: 0 4px 12px rgba(10, 132, 255, 0.3); }
.btn-lg { padding: 0.95rem 1.75rem; font-size: 1.02rem; }
.btn-xl { padding: 1.1rem 2rem; font-size: 1.08rem; min-height: 56px; }

.btn-secondary {
    background: rgba(255, 255, 255, 0.10);
    color: var(--text);
    box-shadow: none;
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
}
.btn-secondary:hover {
    background: rgba(255, 255, 255, 0.18);
    color: var(--text);
    box-shadow: none;
    transform: translateY(-1px);
}

.btn-link {
    background: transparent;
    color: var(--blue);
    padding: 0.7rem 0;
    min-height: auto;
    box-shadow: none;
    font-weight: 500;
}
.btn-link:hover {
    background: transparent;
    color: var(--blue-hover);
    box-shadow: none;
    transform: none;
}

.btn-arrow {
    transition: transform 200ms var(--ease);
    display: inline-block;
}
.btn:hover .btn-arrow { transform: translateX(3px); }

/* =========================================================
   Header — translucent
   ========================================================= */
header.site {
    position: sticky;
    top: 0;
    z-index: 100;
    backdrop-filter: saturate(180%) blur(20px);
    -webkit-backdrop-filter: saturate(180%) blur(20px);
    background: rgba(0, 0, 0, 0.72);
    border-bottom: 1px solid var(--separator);
}

.bar {
    max-width: var(--container);
    margin: 0 auto;
    padding: 0.7rem var(--gutter);
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 0.6rem;
    min-height: 60px;
    position: relative;
}
.brand { order: 1; flex: 1; min-width: 0; }
@media (min-width: 920px) {
    .brand { flex: 0 0 auto; }
    .nav-wrap { order: 2; flex: 1; display: flex; justify-content: flex-end; padding-right: 0.5rem; }
    .nav-cta { order: 3; }
}

.brand {
    display: inline-flex;
    align-items: center;
    gap: 0.65rem;
    color: var(--text);
    font-weight: 600;
    font-size: 1rem;
    letter-spacing: -0.018em;
}
.brand:hover { color: var(--text); }

.brand-mark {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 32px;
    height: 32px;
    border-radius: var(--r-sm);
    background: linear-gradient(135deg, #0a84ff, #5e5ce6);
    color: #fff;
    font-weight: 700;
    font-size: 0.85rem;
    letter-spacing: -0.02em;
}

.brand-text { white-space: nowrap; }
.brand-sub { color: var(--text-3); font-weight: 400; }

.nav-wrap {
    /* Mobile: slide-down panel below the bar */
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: #0a0a0c;
    backdrop-filter: saturate(180%) blur(24px);
    -webkit-backdrop-filter: saturate(180%) blur(24px);
    border-bottom: 1px solid var(--separator-strong);
    box-shadow: 0 16px 40px rgba(0, 0, 0, 0.55);
    max-height: 0;
    overflow: hidden;
    transition: max-height 280ms var(--ease);
    visibility: hidden;
}
.nav-wrap[data-open="true"] {
    max-height: 60vh;
    visibility: visible;
}

.nav-primary {
    list-style: none;
    margin: 0;
    padding: 0.75rem var(--gutter);
    display: flex;
    flex-direction: column;
    gap: 0.2rem;
}
.nav-primary a {
    display: inline-flex;
    align-items: center;
    width: 100%;
    min-height: 48px;
    padding: 0.65rem 1rem;
    color: var(--text-2);
    font-size: 1rem;
    font-weight: 500;
    border-radius: var(--r-md);
    transition: color 150ms var(--ease), background 150ms var(--ease);
}
.nav-primary a:hover, .nav-primary a:focus-visible {
    color: var(--text);
    background: rgba(255, 255, 255, 0.06);
}
.nav-primary a.active {
    color: var(--text);
    background: rgba(255, 255, 255, 0.08);
}

/* Hamburger button */
.nav-toggle {
    display: inline-flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    gap: 5px;
    width: 44px;
    height: 44px;
    padding: 0;
    background: rgba(255, 255, 255, 0.08);
    border-radius: var(--r-pill);
    border: none;
    cursor: pointer;
    box-shadow: none;
    transition: background 150ms var(--ease);
    order: 2; /* between brand and CTA on mobile */
}
.nav-toggle:hover { background: rgba(255, 255, 255, 0.14); }
.nav-toggle-bar {
    display: block;
    width: 18px;
    height: 2px;
    background: var(--text);
    border-radius: 2px;
    transition: transform 250ms var(--ease), opacity 200ms var(--ease);
}
.nav-toggle[aria-expanded="true"] .nav-toggle-bar:nth-child(1) {
    transform: translateY(7px) rotate(45deg);
}
.nav-toggle[aria-expanded="true"] .nav-toggle-bar:nth-child(2) {
    opacity: 0;
}
.nav-toggle[aria-expanded="true"] .nav-toggle-bar:nth-child(3) {
    transform: translateY(-7px) rotate(-45deg);
}

.nav-cta {
    white-space: nowrap;
    order: 3;
}

@media (min-width: 920px) {
    .nav-toggle { display: none; }
    .nav-wrap {
        position: static;
        background: none;
        backdrop-filter: none;
        -webkit-backdrop-filter: none;
        border: none;
        max-height: none;
        overflow: visible;
        visibility: visible;
    }
    .nav-primary {
        flex-direction: row;
        padding: 0;
        gap: 0.25rem;
    }
    .nav-primary a {
        width: auto;
        min-height: 44px;
        padding: 0.5rem 0.95rem;
        font-size: 0.92rem;
        border-radius: var(--r-pill);
    }
    .brand-text { font-size: 1.02rem; }
}

@media (min-width: 480px) {
    /* defaults are correct */
}

/* Small phones: tighten the bar */
@media (max-width: 479px) {
    .brand-sub { display: none; }
    .nav-cta { padding: 0.55rem 0.95rem; font-size: 0.85rem; min-height: 40px; }
}

/* =========================================================
   Main + sections
   ========================================================= */
main {
    display: block;
    padding-bottom: 4rem;
}

.section {
    padding: 3.5rem 0;
    position: relative;
}
.section-alt {
    background:
        linear-gradient(180deg, transparent, rgba(255,255,255,0.015) 30%, rgba(255,255,255,0.015) 70%, transparent);
}
.section-inner {
    max-width: var(--container);
    margin: 0 auto;
    padding: 0 var(--gutter);
}

@media (min-width: 768px) {
    .section { padding: 5.5rem 0; }
}

/* =========================================================
   Hero
   ========================================================= */
.hero {
    padding: 2.5rem 0 3rem;
    border-bottom: 1px solid var(--separator);
    position: relative;
}
.hero-inner {
    max-width: var(--container);
    margin: 0 auto;
    padding: 0 var(--gutter);
}
.hero-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 2.5rem;
    align-items: start;
    margin-top: 1.5rem;
}
/* Mobile: text first (default), market card second — already correct.
   But on very small screens, soften the card so the PAS section isn't too far down. */
.hero-side { order: 2; }
.hero h1 {
    margin-bottom: 0;
}
.byline {
    margin: 1.2rem 0 0;
    font-size: 0.88rem;
    color: var(--text-3);
    line-height: 1.55;
}
.byline a {
    color: var(--text-2);
    text-decoration: none;
    border-bottom: 1px solid var(--separator-strong);
    transition: color 150ms var(--ease), border-color 150ms var(--ease);
}
.byline a:hover { color: var(--text); border-color: var(--blue); }
.byline time { font-variant-numeric: tabular-nums; }

.tldr {
    display: none; /* hidden on small screens — hero already dense */
    margin: 1.5rem 0 0;
    padding: 1.1rem 1.3rem;
    background: rgba(10, 132, 255, 0.07);
    border: 1px solid rgba(10, 132, 255, 0.22);
    border-left: 3px solid var(--blue);
    border-radius: var(--r-md);
    max-width: 64ch;
}
.tldr p {
    margin: 0;
    font-size: 0.96rem;
    line-height: 1.55;
    color: var(--text-2);
}
.tldr strong { color: var(--text); }

@media (min-width: 768px) {
    .tldr { display: block; }
}

.hero-cta {
    display: flex;
    flex-wrap: wrap;
    gap: 0.8rem;
    margin-top: 2rem;
}
.hero-trust {
    margin-top: 1.5rem;
    font-size: 0.88rem;
    color: var(--text-3);
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
}
.hero-trust .dot {
    width: 8px; height: 8px;
    border-radius: 50%;
    background: var(--green);
    box-shadow: 0 0 8px var(--green);
    animation: pulse 2.4s ease-in-out infinite;
}

@keyframes pulse {
    0%, 100% { opacity: 1; transform: scale(1); }
    50% { opacity: 0.65; transform: scale(1.15); }
}

.hero-side .featured {
    background: linear-gradient(180deg, rgba(10,132,255,0.10), rgba(10,132,255,0.02));
    border: 1px solid rgba(10, 132, 255, 0.30);
    position: relative;
    overflow: hidden;
}
.hero-side .featured::before {
    content: "";
    position: absolute;
    inset: -1px;
    border-radius: var(--r-lg);
    background: linear-gradient(120deg, transparent 40%, rgba(94,92,230,0.15), transparent 70%);
    pointer-events: none;
}

.metric-stack {
    display: grid;
    gap: 1.6rem;
    margin-top: 0.5rem;
}

@media (min-width: 980px) {
    .hero { padding: 4rem 0 5rem; }
    .hero-grid {
        grid-template-columns: 1.5fr 1fr;
        gap: 4rem;
        align-items: center;
    }
}

/* =========================================================
   Article / card base
   ========================================================= */
article {
    background: var(--surface-1);
    border: 1px solid var(--separator);
    border-radius: var(--r-lg);
    padding: 1.4rem 1.5rem;
}
article > header {
    margin-bottom: 1rem;
    padding-bottom: 0.85rem;
    border-bottom: 1px solid var(--separator);
    display: flex;
    align-items: baseline;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 0.6rem;
}

@media (min-width: 768px) {
    article { padding: 1.6rem 1.8rem; }
}

/* =========================================================
   Metric
   ========================================================= */
.metric { display: flex; flex-direction: column; gap: 0.25rem; }
.metric .label {
    color: var(--text-2);
    font-size: 0.92rem;
    line-height: 1.4;
    letter-spacing: -0.011em;
}
.metric .value {
    font-size: 2.4rem;
    font-weight: 700;
    letter-spacing: -0.035em;
    line-height: 1;
    color: var(--text);
    font-variant-numeric: tabular-nums;
    display: flex;
    align-items: baseline;
    gap: 0.15rem;
}
.metric .value .unit {
    font-size: 0.42em;
    font-weight: 500;
    color: var(--text-3);
}
.metric .sub {
    font-size: 0.82rem;
    color: var(--text-3);
    line-height: 1.4;
}
.metric-src {
    margin-top: 0.25rem;
    display: inline-block;
    font-family: var(--font-mono);
    font-size: 0.72rem;
    color: var(--text-3);
    letter-spacing: 0.01em;
    text-decoration: none;
    transition: color 150ms var(--ease);
}
.metric-src:hover { color: var(--blue); }

.hero-side-title {
    margin: 0;
    color: var(--text);
    font-size: 1.08rem;
    font-weight: 600;
    letter-spacing: -0.018em;
}
.hero-side-note {
    margin: 1.4rem 0 0;
    padding-top: 1rem;
    border-top: 1px solid var(--separator);
    font-size: 0.84rem;
    color: var(--text-3);
    line-height: 1.45;
}

@media (min-width: 768px) {
    .metric .value { font-size: 2.7rem; }
}

/* =========================================================
   Badge
   ========================================================= */
.badge {
    display: inline-flex;
    align-items: center;
    padding: 0.28em 0.78em;
    border-radius: var(--r-pill);
    font-size: 0.74rem;
    font-weight: 600;
    white-space: nowrap;
    line-height: 1.3;
}
.badge-info    { background: rgba(10,132,255,0.16); color: var(--blue); }
.badge-success { background: rgba(48,209,88,0.16); color: var(--green); }
.badge-warning { background: rgba(255,159,10,0.18); color: var(--orange); }
.badge-neutral { background: rgba(255,255,255,0.10); color: var(--text-2); }

/* =========================================================
   Problem section
   ========================================================= */
.problem-grid { margin-top: 2.5rem; gap: 1rem; }

.problem-card {
    transition: transform 250ms var(--ease), border-color 200ms var(--ease);
    position: relative;
}
.problem-card:hover {
    transform: translateY(-3px);
    border-color: var(--separator-strong);
}
.problem-card .problem-icon {
    font-size: 1.6rem;
    display: inline-block;
    margin-bottom: 0.6rem;
    filter: grayscale(0.2);
}
.problem-card h3 {
    color: var(--text);
    margin-bottom: 0.5rem;
}
.problem-card p {
    color: var(--text-2);
    font-size: 0.97rem;
    line-height: 1.55;
}

.consequence {
    margin-top: 2.5rem;
    background: linear-gradient(180deg, rgba(255,69,58,0.08), rgba(255,69,58,0.02));
    border: 1px solid rgba(255,69,58,0.28);
    border-radius: var(--r-lg);
    padding: 1.5rem 1.6rem;
    text-align: center;
}
.consequence-text {
    color: var(--text);
    font-size: 1.05rem;
    line-height: 1.55;
    margin: 0;
    max-width: 56ch;
    margin-inline: auto;
}
.consequence-label {
    display: inline-block;
    color: var(--red);
    font-weight: 700;
    letter-spacing: 0.05em;
    text-transform: uppercase;
    font-size: 0.78rem;
    margin-right: 0.35rem;
}

.consequence-note {
    margin-top: 1.25rem;
    padding-top: 1.25rem;
    border-top: 1px solid rgba(255,69,58,0.18);
    font-size: 0.92rem;
    color: var(--text-2);
    line-height: 1.55;
    max-width: 64ch;
    margin-inline: auto;
}
.consequence-note sup a {
    color: var(--blue);
    text-decoration: none;
    font-variant-numeric: tabular-nums;
    padding-left: 1px;
}
.consequence-note sup a:hover { text-decoration: underline; }

@media (min-width: 768px) {
    .problem-grid { gap: 1.25rem; }
    .consequence { padding: 2rem 2.2rem; }
    .consequence-text { font-size: 1.15rem; }
    .consequence-note { font-size: 0.98rem; }
}

/* Comparison table */
.comparison-wrap {
    margin-top: 3rem;
    padding-top: 2.5rem;
    border-top: 1px solid var(--separator);
}
.comparison-title {
    font-size: 1.3rem;
    font-weight: 600;
    letter-spacing: -0.02em;
    color: var(--text);
    margin-bottom: 0.5rem;
}
.comparison-deck {
    color: var(--text-2);
    font-size: 1rem;
    max-width: 64ch;
    margin: 0 0 1.5rem;
    line-height: 1.55;
}
.table-scroll {
    overflow-x: auto;
    border: 1px solid var(--separator);
    border-radius: var(--r-lg);
    background: var(--surface-1);
    -webkit-overflow-scrolling: touch;
    /* Visual hint: gradient fade on the right edge when content overflows */
    background-image:
        linear-gradient(to right, var(--surface-1), var(--surface-1)),
        linear-gradient(to right, var(--surface-1), var(--surface-1)),
        linear-gradient(to right, rgba(0,0,0,0.5), rgba(0,0,0,0)),
        linear-gradient(to left,  rgba(0,0,0,0.5), rgba(0,0,0,0));
    background-position: left center, right center, left center, right center;
    background-repeat: no-repeat;
    background-color: var(--surface-1);
    background-size: 28px 100%, 28px 100%, 18px 100%, 18px 100%;
    background-attachment: local, local, scroll, scroll;
}
.table-scroll-hint {
    display: none;
    margin: 0.75rem 0 0;
    font-size: 0.78rem;
    color: var(--text-3);
    text-align: right;
    letter-spacing: 0.02em;
}
@media (max-width: 720px) {
    .table-scroll-hint { display: block; }
}
table.comparison {
    width: 100%;
    min-width: 640px;
    border-collapse: separate;
    border-spacing: 0;
    font-size: 0.94rem;
}
table.comparison thead th {
    text-align: left;
    padding: 0.95rem 1.1rem;
    color: var(--text-3);
    font-size: 0.72rem;
    font-weight: 600;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    border-bottom: 1px solid var(--separator-strong);
    background: rgba(255,255,255,0.02);
}
table.comparison thead th:nth-child(2) { color: var(--red); }
table.comparison thead th:nth-child(3) { color: var(--green); }
table.comparison tbody th {
    text-align: left;
    padding: 0.9rem 1.1rem;
    font-weight: 600;
    color: var(--text);
    border-bottom: 1px solid rgba(255,255,255,0.05);
    vertical-align: top;
    font-size: 0.92rem;
    background: rgba(255,255,255,0.015);
    width: 34%;
}
table.comparison tbody td {
    padding: 0.9rem 1.1rem;
    color: var(--text-2);
    border-bottom: 1px solid rgba(255,255,255,0.05);
    vertical-align: top;
    line-height: 1.5;
}
table.comparison tbody td:first-of-type {
    color: rgba(255, 69, 58, 0.85);
}
table.comparison tbody td:last-child {
    color: var(--text);
}
table.comparison tbody tr:last-child th,
table.comparison tbody tr:last-child td { border-bottom: none; }
table.comparison tbody tr:hover th,
table.comparison tbody tr:hover td { background: rgba(255,255,255,0.025); }

@media (min-width: 768px) {
    .comparison-title { font-size: 1.55rem; }
    table.comparison { font-size: 1rem; min-width: 0; }
}

/* =========================================================
   Solution section
   ========================================================= */
.solution-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 1.25rem;
    margin-top: 2.5rem;
}
.solution-card {
    position: relative;
    transition: transform 250ms var(--ease), border-color 200ms var(--ease);
    padding-top: 2.6rem;
}
.solution-card:hover {
    transform: translateY(-3px);
    border-color: rgba(10, 132, 255, 0.35);
}
.solution-card > header {
    border-bottom: none;
    padding-bottom: 0;
    margin-bottom: 0.7rem;
    flex-direction: column;
    align-items: flex-start;
    gap: 0.5rem;
}
.solution-card h3 {
    font-size: 1.18rem;
    margin-bottom: 0;
}
.solution-card p {
    color: var(--text-2);
    font-size: 0.97rem;
    line-height: 1.55;
}
.solution-num {
    position: absolute;
    top: 1.25rem;
    right: 1.4rem;
    font-family: var(--font-mono);
    font-size: 0.78rem;
    font-weight: 600;
    color: var(--text-3);
    letter-spacing: 0.05em;
    background: rgba(255,255,255,0.06);
    border: 1px solid var(--separator);
    padding: 0.2rem 0.55rem;
    border-radius: var(--r-pill);
}

.solution-points {
    list-style: none;
    padding: 0;
    margin: 1rem 0 0;
    display: flex;
    flex-direction: column;
    gap: 0.55rem;
}
.solution-points li {
    position: relative;
    padding-left: 1.5rem;
    color: var(--text-2);
    font-size: 0.93rem;
    line-height: 1.45;
}
.solution-points li::before {
    content: "✓";
    position: absolute;
    left: 0;
    top: 0.05rem;
    color: var(--green);
    font-weight: 700;
    font-size: 0.95rem;
}

@media (min-width: 720px) {
    .solution-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 1.5rem;
    }
    .solution-wide { grid-column: 1 / -1; }
    .solution-points-2col {
        display: grid;
        grid-template-columns: repeat(2, 1fr);
        gap: 0.55rem 1.5rem;
    }
}

/* =========================================================
   Authority section
   ========================================================= */
.authority-inner {
    max-width: var(--container);
}
.authority-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 2.5rem;
    align-items: start;
}
.authority-lead {
    font-size: 1.08rem;
    color: var(--text);
    line-height: 1.55;
    margin-top: 1.5rem;
}
.authority-grid p {
    color: var(--text-2);
    font-size: 1.02rem;
    line-height: 1.6;
    max-width: 62ch;
}
.authority-close {
    color: var(--text);
    border-left: 3px solid var(--blue);
    padding-left: 1rem;
    margin-top: 1.5rem;
}

.authority-card {
    background: var(--surface-1);
    border: 1px solid var(--separator);
    border-radius: var(--r-lg);
    padding: 1.6rem 1.7rem;
}
.authority-card-title {
    font-size: 0.78rem;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--text-3);
    margin-bottom: 1.25rem;
    font-weight: 600;
}

.timeline {
    list-style: none;
    padding: 0;
    margin: 0 0 1.5rem;
    display: flex;
    flex-direction: column;
    gap: 1.15rem;
    position: relative;
}
.timeline::before {
    content: "";
    position: absolute;
    left: 5px;
    top: 8px;
    bottom: 8px;
    width: 1px;
    background: var(--separator);
}
.timeline li {
    display: flex;
    flex-direction: column;
    gap: 0.18rem;
    padding-left: 1.3rem;
    position: relative;
}
.timeline li::before {
    content: "";
    position: absolute;
    left: 0;
    top: 0.55rem;
    width: 11px;
    height: 11px;
    border-radius: 50%;
    background: var(--blue);
    box-shadow: 0 0 0 3px rgba(10, 132, 255, 0.20);
}
.timeline-year {
    font-family: var(--font-mono);
    font-size: 0.74rem;
    color: var(--text-3);
    letter-spacing: 0.04em;
}
.timeline-role {
    font-weight: 600;
    color: var(--text);
    font-size: 0.98rem;
    letter-spacing: -0.012em;
}
.timeline-stack {
    font-size: 0.82rem;
    color: var(--text-2);
    font-family: var(--font-mono);
}

.authority-creds {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
    padding-top: 1.1rem;
    border-top: 1px solid var(--separator);
}
.cred {
    font-size: 0.85rem;
    color: var(--text-2);
}
.cred strong { color: var(--text); }

@media (min-width: 980px) {
    .authority-grid {
        grid-template-columns: 1.5fr 1fr;
        gap: 3.5rem;
    }
}

/* =========================================================
   Process
   ========================================================= */
.process-list {
    list-style: none;
    padding: 0;
    margin: 2.5rem 0 0;
    display: grid;
    grid-template-columns: 1fr;
    gap: 1.25rem;
    counter-reset: step;
}
.process-list li {
    background: var(--surface-1);
    border: 1px solid var(--separator);
    border-radius: var(--r-lg);
    padding: 1.5rem 1.6rem;
    position: relative;
    transition: transform 250ms var(--ease), border-color 200ms var(--ease);
}
.process-list li:hover {
    transform: translateY(-3px);
    border-color: var(--separator-strong);
}
.process-num {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 38px;
    height: 38px;
    border-radius: 50%;
    background: linear-gradient(135deg, #0a84ff, #5e5ce6);
    color: #fff;
    font-weight: 700;
    font-size: 1.05rem;
    margin-bottom: 0.85rem;
    font-variant-numeric: tabular-nums;
    box-shadow: 0 4px 14px rgba(10, 132, 255, 0.4);
}
.process-list h3 {
    margin-bottom: 0.5rem;
}
.process-list p {
    color: var(--text-2);
    font-size: 0.95rem;
    line-height: 1.55;
    margin-bottom: 0.85rem;
}
.process-time {
    display: inline-block;
    font-family: var(--font-mono);
    font-size: 0.78rem;
    color: var(--blue);
    background: var(--blue-soft);
    padding: 0.25rem 0.65rem;
    border-radius: var(--r-pill);
    letter-spacing: 0.02em;
}

@media (min-width: 720px) {
    .process-list {
        grid-template-columns: repeat(2, 1fr);
        gap: 1.5rem;
    }
}
@media (min-width: 1024px) {
    .process-list { grid-template-columns: repeat(4, 1fr); }
}

/* =========================================================
   FAQ
   ========================================================= */
.faq-inner { max-width: var(--container-narrow); margin: 0 auto; }

.faq-list {
    display: flex;
    flex-direction: column;
    gap: 0.8rem;
    margin-top: 2.5rem;
}

details {
    background: var(--surface-1);
    border: 1px solid var(--separator);
    border-radius: var(--r-md);
    padding: 0.4rem 1.3rem;
    transition: border-color 200ms var(--ease), background 200ms var(--ease);
}
details[open] {
    border-color: var(--separator-strong);
    background: var(--surface-1);
}
details > summary {
    cursor: pointer;
    list-style: none;
    color: var(--text);
    font-weight: 600;
    font-size: 1.02rem;
    letter-spacing: -0.012em;
    padding: 1rem 0;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
}
details > summary::-webkit-details-marker { display: none; }
details > summary::after {
    content: "+";
    color: var(--blue);
    font-size: 1.6rem;
    font-weight: 300;
    line-height: 1;
    transition: transform 250ms var(--ease);
    flex-shrink: 0;
}
details[open] > summary::after { transform: rotate(45deg); }

.faq-body {
    padding: 0 0 1.2rem;
    color: var(--text-2);
    line-height: 1.6;
    font-size: 0.98rem;
    max-width: 64ch;
}
.faq-body p { margin: 0; }

/* =========================================================
   Final CTA
   ========================================================= */
.cta-final {
    padding: 4rem 0 2rem;
}
.cta-card {
    max-width: var(--container-narrow);
    margin: 0 auto;
    padding: 3rem var(--gutter);
    text-align: center;
    background: linear-gradient(180deg, rgba(10,132,255,0.12), rgba(94,92,230,0.06) 60%, rgba(0,0,0,0));
    border: 1px solid rgba(10, 132, 255, 0.28);
    border-radius: var(--r-xl);
    position: relative;
    overflow: hidden;
}
.cta-card::before {
    content: "";
    position: absolute;
    inset: -1px;
    border-radius: var(--r-xl);
    background: radial-gradient(ellipse 80% 60% at 50% 0%, rgba(10,132,255,0.25), transparent 70%);
    pointer-events: none;
    z-index: 0;
}
.cta-card > * { position: relative; z-index: 1; }

.cta-card h2 {
    margin-top: 0.5rem;
    text-wrap: balance;
}
.cta-deck {
    font-size: 1.1rem;
    line-height: 1.55;
    color: var(--text-2);
    max-width: 56ch;
    margin: 1.5rem auto 0;
    letter-spacing: -0.014em;
}
.cta-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 0.8rem;
    justify-content: center;
    margin: 2.2rem 0 0;
}
.cta-promises {
    list-style: none;
    padding: 0;
    margin: 2.2rem 0 0;
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
    align-items: center;
    color: var(--text-2);
    font-size: 0.92rem;
}
.cta-promises li {
    display: inline-flex;
    align-items: center;
    gap: 0.55rem;
}
.cta-promises .check {
    color: var(--green);
    font-weight: 700;
}

@media (min-width: 720px) {
    .cta-card { padding: 4rem 3rem; }
    .cta-promises {
        flex-direction: row;
        flex-wrap: wrap;
        justify-content: center;
        gap: 0.5rem 1.75rem;
    }
}

/* =========================================================
   Sources section
   ========================================================= */
.sources-section {
    padding: 3.5rem 0 1rem;
    border-top: 1px solid var(--separator);
    margin-top: 3rem;
}
.sources-title {
    font-size: 1.1rem;
    font-weight: 600;
    letter-spacing: -0.018em;
    color: var(--text-2);
    margin-bottom: 1.5rem;
    text-transform: none;
}
.sources-list {
    list-style: none;
    padding: 0;
    margin: 0;
    display: flex;
    flex-direction: column;
    gap: 1.2rem;
    max-width: 78ch;
}
.sources-list li {
    display: grid;
    grid-template-columns: 1.8rem 1fr;
    gap: 0.85rem;
    padding-bottom: 1rem;
    border-bottom: 1px solid rgba(255,255,255,0.05);
}
.sources-list li:last-child { border-bottom: none; padding-bottom: 0; }
.src-num {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 1.6rem;
    height: 1.6rem;
    border-radius: 50%;
    background: rgba(10, 132, 255, 0.15);
    color: var(--blue);
    font-family: var(--font-mono);
    font-size: 0.78rem;
    font-weight: 700;
    flex-shrink: 0;
    margin-top: 0.15rem;
}
.src-claim {
    margin: 0 0 0.4rem;
    font-size: 0.95rem;
    line-height: 1.5;
    color: var(--text-2);
}
.src-link {
    font-family: var(--font-mono);
    font-size: 0.8rem;
    color: var(--text-3);
    transition: color 150ms var(--ease);
}
.src-link:hover { color: var(--blue); }
.sources-note {
    margin: 2rem 0 0;
    font-size: 0.85rem;
    color: var(--text-3);
    max-width: 64ch;
    line-height: 1.55;
}

/* =========================================================
   Footer
   ========================================================= */
footer.site {
    border-top: 1px solid var(--separator);
    margin-top: 4rem;
    padding: 2.5rem var(--gutter);
    color: var(--text-3);
}
.footer-inner {
    max-width: var(--container);
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
    align-items: flex-start;
}
.footer-brand {
    display: flex;
    align-items: center;
    gap: 0.85rem;
}
.footer-name {
    margin: 0;
    color: var(--text);
    font-weight: 600;
    font-size: 1rem;
    letter-spacing: -0.018em;
}
.footer-role {
    margin: 0;
    font-size: 0.84rem;
    color: var(--text-3);
}
.footer-nav {
    display: flex;
    flex-wrap: wrap;
    gap: 0.4rem 1.5rem;
    font-size: 0.9rem;
}
.footer-nav a {
    color: var(--text-2);
    font-weight: 500;
    min-height: 44px;
    padding: 0.25rem 0;
    display: inline-flex;
    align-items: center;
}
.footer-nav a:hover { color: var(--text); }

.disclaimer {
    display: block;
    max-width: 64ch;
    margin: 2rem auto 0;
    text-align: center;
    font-size: 0.78rem;
    line-height: 1.55;
    color: var(--text-3);
}

@media (min-width: 768px) {
    .footer-inner {
        flex-direction: row;
        justify-content: space-between;
        align-items: center;
    }
}

/* =========================================================
   Skip link + focus
   ========================================================= */
.skip-link {
    position: absolute;
    top: -100px;
    left: 0;
    background: var(--blue);
    color: #fff;
    padding: 0.85rem 1.4rem;
    border-radius: 0 0 var(--r-sm) 0;
    font-weight: 600;
    z-index: 1000;
    transition: top 120ms var(--ease);
}
.skip-link:focus, .skip-link:focus-visible {
    top: 0;
    color: #fff;
}

:focus-visible {
    outline: 2px solid var(--blue);
    outline-offset: 3px;
    border-radius: 4px;
}
button:focus-visible, .btn:focus-visible {
    outline-offset: 4px;
}

/* =========================================================
   Animation
   ========================================================= */
@keyframes fadeUp {
    from { opacity: 0; transform: translateY(14px); }
    to   { opacity: 1; transform: translateY(0); }
}
.fade-up { animation: fadeUp 600ms var(--ease) both; }

/* Reveal: only hide when JS confirms it will animate (.js-reveal added to <html>) */
.js-reveal .reveal {
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 700ms var(--ease), transform 700ms var(--ease);
    will-change: opacity, transform;
}
.js-reveal .reveal.visible {
    opacity: 1;
    transform: translateY(0);
}

/* =========================================================
   Reduced motion
   ========================================================= */
@media (prefers-reduced-motion: reduce) {
    *, *::before, *::after {
        animation-duration: 0ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0ms !important;
        scroll-behavior: auto !important;
    }
    .reveal { opacity: 1; transform: none; }
}

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

/* =========================================================
   Print-friendliness
   ========================================================= */
@media print {
    body::before { display: none; }
    header.site { position: static; background: none; backdrop-filter: none; }
    .btn { box-shadow: none; }
}