/* ============================================================
   AI Visibility landing — base styles
   ============================================================ */

/* --- Reset --- */
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
html, body { margin: 0; padding: 0; }
body {
    background: var(--bg);
    color: var(--fg);
    font-family: var(--font);
    font-weight: 400;
    -webkit-font-smoothing: antialiased;
    text-rendering: optimizeLegibility;
    overflow-x: hidden;
}
img, svg, video { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
button { border: 0; background: none; color: inherit; font-family: inherit; cursor: pointer; padding: 0; }
h1, h2, h3, h4, p { margin: 0; }
hr { border: 0; border-top: 1px solid var(--grey-600); margin: 0; }

/* --- Design tokens --- */
:root {
    --bg: #000;
    --fg: #fff;
    --accent: #7BE2FF;
    --accent-dim: rgba(123, 226, 255, 0.15);
    --warm: #F7F0E6;
    --grey-900: #0a0a0a;
    --grey-800: #141414;
    --grey-700: #1a1a1a;
    --grey-600: #2a2a2a;
    --grey-500: #4a4a4a;
    --grey-400: #7a7a7a;
    --grey-300: #aaa;
    /* Elevated surface: shared by mockup windows and case cards */
    --surface-elevated: linear-gradient(180deg, #1a1d21 0%, #14171b 100%);
    --surface-elevated-border: rgba(255, 255, 255, 0.1);
    --gutter: clamp(1rem, 4vw, 3rem);
    --max-width: 1440px;
    --nav-height: 64px;
    --font: 'Roboto', system-ui, -apple-system, sans-serif;
    --mono: 'SF Mono', 'Roboto Mono', ui-monospace, Menlo, monospace;
    --section-pad-y: clamp(4rem, 10vw, 8rem);
    --ease-snap: cubic-bezier(0.2, 0.9, 0.2, 1);
}

/* --- Typography utilities --- */
.display-xl {
    font-size: clamp(3rem, 9vw, 7.5rem);
    font-weight: 300;
    letter-spacing: -0.02em;
    line-height: 0.95;
    text-transform: uppercase;
}
.display-l {
    font-size: clamp(2.25rem, 6vw, 4.5rem);
    font-weight: 300;
    letter-spacing: -0.01em;
    line-height: 1;
    text-transform: uppercase;
}
.display-m {
    font-size: clamp(1.75rem, 3.5vw, 2.75rem);
    font-weight: 400;
    letter-spacing: -0.01em;
    line-height: 1.1;
}
.body-l {
    font-size: clamp(1.125rem, 1.4vw, 1.3125rem);
    line-height: 1.5;
    color: var(--grey-300);
    font-weight: 300;
}
.body-m {
    font-size: 1.0625rem;
    line-height: 1.55;
    color: var(--grey-300);
}
.overline {
    font-size: 0.75rem;
    font-weight: 500;
    letter-spacing: 0.2em;
    text-transform: uppercase;
    color: var(--grey-400);
}
.numeral {
    font-variant-numeric: tabular-nums;
    font-weight: 300;
    color: var(--grey-400);
    letter-spacing: 0.05em;
}

/* --- Layout helpers --- */
.container {
    width: 100%;
    max-width: var(--max-width);
    margin: 0 auto;
    padding-left: var(--gutter);
    padding-right: var(--gutter);
}
.section {
    padding-top: var(--section-pad-y);
    padding-bottom: var(--section-pad-y);
}

/* --- Buttons --- */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 0.5em;
    padding: 1rem 1.75rem;
    border: 1px solid transparent;
    border-radius: 999px;
    font-size: 0.9375rem;
    font-weight: 500;
    letter-spacing: 0.01em;
    transition: transform 150ms var(--ease-snap), background 150ms var(--ease-snap), border-color 150ms var(--ease-snap), color 150ms var(--ease-snap);
    white-space: nowrap;
}
.btn-primary {
    background: var(--accent);
    color: #000;
}
.btn-primary:hover { transform: translateY(-2px); background: #fff; }
.btn-ghost {
    background: transparent;
    border-color: var(--grey-500);
    color: var(--fg);
    padding: 0.625rem 1.25rem;
    font-size: 0.8125rem;
}
.btn-ghost:hover { border-color: var(--accent); color: var(--accent); }

/* --- Focus --- */
:focus-visible {
    outline: 2px solid var(--accent);
    outline-offset: 3px;
    border-radius: 4px;
}

/* --- Reduced motion global --- */
@media (prefers-reduced-motion: reduce) {
    html { scroll-behavior: auto; }
    *, *::before, *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}

/* === Nav === */
.skip-link {
    position: absolute;
    top: -100px;
    left: 1rem;
    background: var(--accent);
    color: #000;
    padding: 0.5rem 1rem;
    z-index: 100;
    border-radius: 4px;
    font-weight: 500;
}
.skip-link:focus-visible { top: 1rem; }

.nav {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    height: var(--nav-height);
    z-index: 50;
    background: transparent;
    border-bottom: 1px solid transparent;
    transition: background 200ms var(--ease-snap), border-color 200ms var(--ease-snap), backdrop-filter 200ms var(--ease-snap);
}
.nav--scrolled {
    background: rgba(0, 0, 0, 0.75);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-bottom-color: var(--grey-700);
}
.nav__inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 100%;
}
.nav__brand {
    display: inline-flex;
    align-items: center;
    height: 100%;
}
.nav__brand img {
    display: block;
    height: clamp(28px, 2.4vw, 36px);
    width: auto;
}
.nav__cta { font-size: 0.8125rem; }

@media (max-width: 479px) {
    .nav__cta { padding: 0.5rem 0.875rem; font-size: 0.75rem; }
}

/* === Visually hidden (screen reader only) === */
.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;
}

/* === Hero === */
.hero {
    min-height: 100vh;
    padding-top: calc(var(--nav-height) + 2rem);
    padding-bottom: 4rem;
    display: flex;
    align-items: center;
    position: relative;
    background: radial-gradient(ellipse at 75% 30%, rgba(123, 226, 255, 0.07), transparent 60%), #000;
}
.hero__inner {
    display: grid;
    grid-template-columns: 1.1fr 1fr;
    gap: clamp(2rem, 4vw, 4rem);
    align-items: center;
    width: 100%;
}
.hero__eyebrow { margin-bottom: 1.5rem; }
.hero__headline {
    margin-bottom: 1.5rem;
    color: #fff;
    /* Scale down from .display-xl defaults so it fits comfortably next to the mockup */
    font-size: clamp(2.5rem, 6.2vw, 5.25rem);
    line-height: 1;
}
.hero__headline .kinetic-line {
    display: block;
    transform-origin: left center;
}
.hero__lede { max-width: 36ch; margin-bottom: 2.5rem; }
.hero__lede em { font-style: normal; color: var(--accent); }
.hero__ctas {
    display: flex;
    align-items: center;
    gap: 1.5rem;
    flex-wrap: wrap;
}
.hero__scrolldown {
    font-size: 0.875rem;
    color: var(--grey-300);
    border-bottom: 1px solid var(--grey-500);
    padding-bottom: 2px;
    transition: color 150ms ease, border-color 150ms ease;
}
.hero__scrolldown:hover { color: var(--accent); border-color: var(--accent); }

.hero__mockup {
    width: 100%;
    aspect-ratio: 4 / 5;
    max-height: 80vh;
    position: relative;
    isolation: isolate;
}
/* Cyan bloom behind the hero mockup — soft, diffuse, oversized */
.hero__mockup::before {
    content: "";
    position: absolute;
    inset: -6% -10% -16% -10%;
    background:
        radial-gradient(ellipse 55% 50% at 55% 55%, rgba(123, 226, 255, 0.55), transparent 65%),
        radial-gradient(ellipse 85% 75% at 50% 60%, rgba(123, 226, 255, 0.22), transparent 75%);
    filter: blur(64px);
    opacity: 0.9;
    z-index: -1;
    pointer-events: none;
    border-radius: 40%;
    transition: opacity 600ms var(--ease-snap), filter 600ms var(--ease-snap);
}
/* Bloom intensifies in the "after" state */
.mockup[data-state="yours"] ~ * .hero__mockup::before,
.hero__mockup:has(.mockup[data-state="yours"])::before {
    opacity: 1;
    filter: blur(56px) saturate(1.15);
}
.mockup {
    width: 100%; height: 100%;
    background: var(--surface-elevated);
    border: 1px solid var(--surface-elevated-border);
    border-radius: 18px;
    overflow: hidden;
    box-shadow:
        0 1px 0 rgba(255, 255, 255, 0.06) inset,
        0 40px 120px rgba(0, 0, 0, 0.6),
        0 0 0 1px rgba(255, 255, 255, 0.03);
    display: flex;
    flex-direction: column;
}

@media (max-width: 1023px) {
    .hero__inner { grid-template-columns: 1fr; }
    .hero__mockup { aspect-ratio: 4 / 3.2; max-height: 60vh; }
}
@media (max-width: 479px) {
    .hero__ctas { flex-direction: column; align-items: stretch; }
    .hero__ctas .btn-primary { text-align: center; justify-content: center; }
    .hero__scrolldown { text-align: center; }
}

/* === Mockup (AI-answer illustration) === */
.mockup__chrome {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.875rem 1.125rem;
    border-bottom: 1px solid rgba(255, 255, 255, 0.08);
    background: rgba(0, 0, 0, 0.35);
    flex-shrink: 0;
}
.mockup__dots { display: flex; gap: 0.375rem; }
.mockup__dots span { width: 10px; height: 10px; border-radius: 50%; background: var(--grey-600); }
.mockup__tab {
    font-family: var(--mono);
    font-size: 0.75rem;
    color: var(--grey-400);
    letter-spacing: 0.02em;
}
.mockup__badge {
    margin-left: auto;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    font-family: var(--mono);
    font-size: 0.6875rem;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: var(--grey-300);
    padding: 0.3125rem 0.625rem;
    border: 1px solid var(--grey-600);
    border-radius: 999px;
    background: rgba(255,255,255,0.02);
    white-space: nowrap;
    transition: color 200ms var(--ease-snap), border-color 200ms var(--ease-snap);
}
.mockup__badge-dot {
    width: 6px; height: 6px;
    border-radius: 50%;
    background: var(--grey-400);
    transition: background 200ms var(--ease-snap), box-shadow 200ms var(--ease-snap);
}
.mockup[data-state="yours"] .mockup__badge {
    color: var(--accent);
    border-color: rgba(123, 226, 255, 0.4);
}
.mockup[data-state="yours"] .mockup__badge-dot {
    background: var(--accent);
    box-shadow: 0 0 12px rgba(123, 226, 255, 0.8);
}
.mockup__badge-label { transition: opacity 140ms ease; }
.mockup__badge-label.is-swapping { opacity: 0; }

.mockup { position: relative; }
.mockup__sweep {
    position: absolute;
    inset: 0;
    pointer-events: none;
    opacity: 0;
    background: linear-gradient(
        105deg,
        transparent 42%,
        rgba(123, 226, 255, 0.12) 49%,
        rgba(123, 226, 255, 0.28) 50%,
        rgba(123, 226, 255, 0.12) 51%,
        transparent 58%
    );
    background-size: 220% 100%;
    background-position: 120% 0;
}
.mockup--sweep .mockup__sweep {
    opacity: 1;
    animation: mockup-sweep 720ms cubic-bezier(0.4, 0, 0.2, 1);
}
@keyframes mockup-sweep {
    0%   { background-position: 120% 0; opacity: 0; }
    20%  { opacity: 1; }
    80%  { opacity: 1; }
    100% { background-position: -40% 0; opacity: 0; }
}

.mockup__stream {
    flex: 1;
    padding: clamp(1rem, 2.5vw, 1.75rem);
    overflow: hidden;
    display: flex;
    flex-direction: column;
    gap: 1.25rem;
}
.mockup__turn {
    display: flex;
    gap: 0.875rem;
    align-items: flex-start;
}
.mockup__avatar {
    width: 28px; height: 28px;
    border-radius: 50%;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-size: 0.6875rem;
    font-weight: 500;
    flex-shrink: 0;
    margin-top: 2px;
}
.mockup__avatar--user { background: var(--grey-700); color: var(--grey-300); }
.mockup__avatar--ai   { background: var(--accent); color: #000; }
.mockup__avatar--ai svg { display: block; }
.mockup__bubble {
    font-size: clamp(0.875rem, 1.1vw, 1rem);
    line-height: 1.55;
    color: var(--grey-300);
    max-width: 54ch;
}
.mockup__bubble--ai { color: #e8e8e8; min-height: 180px; }

.mockup__line {
    margin-bottom: 0.75rem;
    transition: opacity 320ms var(--ease-snap), transform 320ms var(--ease-snap), filter 320ms var(--ease-snap);
}
.mockup__line.is-out { opacity: 0; transform: translateY(-4px); filter: blur(2px); }

.mockup__list {
    list-style: none;
    padding: 0;
    margin: 0;
    display: flex;
    flex-direction: column;
    gap: 0.625rem;
}
.mockup__item {
    padding-left: 0;
    position: relative;
    display: grid;
    grid-template-columns: 2.25em 1fr;
    align-items: baseline;
    gap: 0.25rem 0.875rem;
    transition: opacity 320ms var(--ease-snap), transform 320ms var(--ease-snap), filter 320ms var(--ease-snap);
}
.mockup__item::before { content: none; }
.mockup__item.is-out { opacity: 0; transform: translateX(-8px); filter: blur(2px); }

.m-rank {
    grid-row: 1 / span 2;
    font-family: var(--mono);
    font-size: 1.25rem;
    font-weight: 300;
    color: var(--grey-500);
    line-height: 1;
    font-variant-numeric: tabular-nums;
    text-align: right;
    padding-right: 0.25rem;
    border-right: 1px solid var(--grey-700);
    align-self: center;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: flex-end;
}
.m-rank--you {
    color: var(--accent);
    font-weight: 500;
    border-right-color: var(--accent);
    text-shadow: 0 0 18px rgba(123, 226, 255, 0.6);
}
.m-name {
    color: #fff;
    font-weight: 500;
    align-self: end;
    line-height: 1.2;
}
.m-name--you {
    color: var(--accent);
    letter-spacing: 0.02em;
    text-shadow: 0 0 24px rgba(123, 226, 255, 0.45);
}
.m-desc {
    color: var(--grey-400);
    font-size: 0.875em;
    align-self: start;
    line-height: 1.35;
}
/* Pillars mockup reuses .mockup__item but its content is plain inline
   text with <strong>, not the grid-based ranked-list used in the hero.
   Reset the grid so text renders normally. */
.mockup[data-mockup="pillars"] .mockup__item {
    display: list-item;
    padding-left: 1.5em;
    grid-template-columns: none;
    gap: 0;
}
.mockup[data-mockup="pillars"] .mockup__item::before {
    content: "—";
    position: absolute;
    left: 0;
    top: 0;
    width: auto;
    height: auto;
    background: none;
    color: var(--grey-500);
}
.mockup[data-mockup="pillars"] .mockup__item strong {
    color: var(--accent);
    font-weight: 500;
    letter-spacing: 0.02em;
}

/* === Kinetic type ===
   Word wrappers keep each word atomic (no mid-word line breaks
   even as letters drift toward the pointer). */
.kinetic-line { position: relative; }
.kinetic-word {
    display: inline-block;
    white-space: nowrap;
}
.kinetic-letter {
    display: inline-block;
    will-change: transform;
    transition: transform 500ms cubic-bezier(0.2, 0.9, 0.2, 1);
}

@media (max-width: 767px), (prefers-reduced-motion: reduce) {
    .kinetic-letter { transform: none !important; transition: none; }
}

/* === Section 01 — Stakes === */
.stakes {
    background: #000;
    border-top: 1px solid var(--grey-700);
    border-bottom: 1px solid var(--grey-700);
    position: relative;
    overflow: hidden;
}
/* Ambient grid + bloom behind the stat */
.stakes::before {
    content: "";
    position: absolute;
    inset: 0;
    background-image:
        linear-gradient(rgba(123, 226, 255, 0.05) 1px, transparent 1px),
        linear-gradient(90deg, rgba(123, 226, 255, 0.05) 1px, transparent 1px);
    background-size: 48px 48px;
    mask-image: radial-gradient(ellipse 60% 70% at 50% 45%, #000 0%, transparent 70%);
    -webkit-mask-image: radial-gradient(ellipse 60% 70% at 50% 45%, #000 0%, transparent 70%);
    opacity: 0;
    transition: opacity 1400ms var(--ease-snap);
    pointer-events: none;
}
.stakes.is-in::before { opacity: 1; }
.stakes__inner {
    text-align: center;
    max-width: 72ch;
    display: flex;
    flex-direction: column;
    gap: 2rem;
    position: relative;
    z-index: 1;
}
.stakes__num { letter-spacing: 0.3em; }
.stakes__stat {
    display: flex;
    flex-direction: column;
    gap: 1.75rem;
    align-items: center;
    line-height: 1;
    margin: 0;
    position: relative;
}

/* === Visual: 10×10 dot grid + number side-by-side === */
.stakes__visual {
    display: grid;
    grid-template-columns: auto auto;
    align-items: center;
    gap: clamp(1.5rem, 4vw, 3.5rem);
    position: relative;
}
.stakes__grid {
    display: grid;
    grid-template-columns: repeat(10, 1fr);
    grid-template-rows: repeat(10, 1fr);
    gap: clamp(4px, 0.6vw, 8px);
    width: clamp(180px, 22vw, 280px);
    aspect-ratio: 1 / 1;
}
.stakes__dot {
    width: 100%;
    aspect-ratio: 1 / 1;
    border-radius: 50%;
    background: var(--grey-700);
    transition: background 280ms var(--ease-snap), box-shadow 280ms var(--ease-snap), transform 280ms var(--ease-snap);
}
.stakes__dot.is-lit {
    background: var(--accent);
    box-shadow: 0 0 12px rgba(123, 226, 255, 0.55);
}
.stakes__figure {
    font-size: clamp(5rem, 14vw, 11rem);
    font-weight: 300;
    letter-spacing: -0.04em;
    line-height: 0.9;
    font-variant-numeric: tabular-nums;
    color: var(--accent);
    display: inline-flex;
    align-items: baseline;
    opacity: 0;
    transform: translateY(8px);
}
@keyframes stakes-reveal-up {
    from { opacity: 0; transform: translateY(8px); }
    to   { opacity: 1; transform: translateY(0); }
}
.stakes.is-in .stakes__figure {
    animation: stakes-reveal-up 700ms var(--ease-snap) 300ms forwards;
}
.stakes__pct {
    font-size: 0.5em;
    margin-left: 0.05em;
    color: var(--grey-400);
    font-weight: 300;
}
/* figure reveal handled via keyframes above */

@media (max-width: 639px) {
    .stakes__visual { grid-template-columns: 1fr; justify-items: center; gap: 1.5rem; }
    .stakes__grid { width: min(60vw, 220px); }
}
.stakes__suffix {
    font-size: clamp(1.25rem, 2vw, 1.75rem);
    font-weight: 300;
    letter-spacing: -0.01em;
    line-height: 1.2;
    color: #fff;
    opacity: 0;
    transform: translateY(8px);
}
.stakes.is-in .stakes__suffix {
    animation: stakes-reveal-up 700ms var(--ease-snap) 700ms forwards;
}
.stakes__interp {
    color: var(--grey-300);
    opacity: 0;
    transform: translateY(8px);
}
.stakes.is-in .stakes__interp {
    animation: stakes-reveal-up 700ms var(--ease-snap) 900ms forwards;
}
.stakes__caption { color: var(--grey-400); }

@media (prefers-reduced-motion: reduce) {
    .stakes__figure { opacity: 1; transform: none; animation: none; }
    .stakes__suffix, .stakes__interp { opacity: 1; transform: none; animation: none; }
    .stakes::before { opacity: 1; }
    .stakes__dot.is-lit { box-shadow: none; }
}

/* === Section 02 — Pillars === */
.pillars { background: #000; }
.pillars__header {
    max-width: 80ch;
    margin: 0 auto clamp(3rem, 6vw, 5rem);
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    gap: 1.25rem;
}
.pillars__header .numeral { letter-spacing: 0.3em; }
.pillars__title em { font-style: normal; color: var(--accent); }

/* === Pillars: 3-step flow (retrieval → synthesis → extraction) === */
.flow {
    margin-top: clamp(1.25rem, 2.5vw, 2rem);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-wrap: nowrap;
    gap: clamp(0.5rem, 1.2vw, 1rem);
    font-family: var(--mono);
    max-width: 100%;
}
.flow__step {
    display: inline-flex;
    align-items: baseline;
    gap: 0.6em;
    padding: 0.65rem 1.1rem 0.7rem;
    border: 1px solid var(--grey-700);
    border-radius: 999px;
    background: rgba(255, 255, 255, 0.02);
    opacity: 0;
    transform: translateY(8px);
    transition: opacity 700ms var(--ease-snap), transform 700ms var(--ease-snap);
    color: var(--grey-200, #d6d8dd);
    white-space: nowrap;
    flex: 0 1 auto;
    min-width: 0;
}
.flow__step.is-in {
    opacity: 1;
    transform: translateY(0);
}
.flow__num {
    font-size: 0.7rem;
    letter-spacing: 0.2em;
    color: var(--grey-400);
    font-variant-numeric: tabular-nums;
}
.flow__word {
    font-family: var(--sans, inherit);
    font-size: clamp(0.9375rem, 1.3vw, 1.125rem);
    font-weight: 400;
    letter-spacing: -0.005em;
    text-transform: none;
    color: #fff;
}

.flow__arrow {
    flex: 1 1 auto;
    min-width: 24px;
    max-width: clamp(48px, 6vw, 96px);
    color: var(--grey-600, var(--grey-700));
    display: inline-flex;
    align-items: center;
    opacity: 0;
    transition: opacity 500ms var(--ease-snap);
}
.flow__arrow svg { width: 100%; height: 12px; display: block; overflow: visible; }
.flow__arrow.is-in { opacity: 1; }
.flow__arrow-line {
    stroke-dasharray: 1;
    stroke-dashoffset: 1;
    transition: stroke-dashoffset 600ms var(--ease-snap);
}
.flow__arrow.is-in .flow__arrow-line { stroke-dashoffset: 0; }
.flow__arrow-head {
    opacity: 0;
    transition: opacity 220ms var(--ease-snap) 500ms;
}
.flow__arrow.is-in .flow__arrow-head { opacity: 1; }

@media (prefers-reduced-motion: reduce) {
    .flow__step, .flow__arrow { transition: none; opacity: 1; transform: none; }
    .flow__arrow-line { stroke-dashoffset: 0; transition: none; }
    .flow__arrow-head { opacity: 1; transition: none; }
}

@media (max-width: 640px) {
    .flow { gap: 0.4rem; }
    .flow__arrow { min-width: 16px; max-width: 36px; }
    .flow__step { padding: 0.45rem 0.75rem 0.5rem; gap: 0.4em; }
    .flow__num { font-size: 0.625rem; }
    .flow__word { font-size: 0.875rem; }
}

.pillars__grid {
    display: grid;
    grid-template-columns: 1.05fr 1fr;
    gap: clamp(2rem, 4vw, 4rem);
    align-items: start;
}

.pillars__copycol { display: flex; flex-direction: column; gap: clamp(2rem, 5vw, 4rem); }

.pillar {
    min-height: 60vh;
    display: flex;
    flex-direction: column;
    gap: 1.25rem;
    justify-content: center;
    border-top: 1px solid var(--grey-700);
    padding-top: clamp(2rem, 4vw, 3rem);
}
.pillar__num { letter-spacing: 0.3em; }
.pillar__acronym {
    color: var(--accent);
    letter-spacing: 0.02em;
    margin-bottom: 0.25rem;
}
.pillar__label { color: var(--grey-400); }
.pillar__headline { color: #fff; margin: 0.5rem 0 0.75rem; }
.pillar__body em { font-style: italic; color: #fff; }
.pillar__win {
    font-size: 0.9375rem;
    color: var(--grey-300);
    padding: 0.75rem 0 0.75rem 1rem;
    border-left: 2px solid var(--accent);
    margin: 0.75rem 0 0.5rem;
}
.pillar__win strong { color: var(--accent); font-weight: 500; letter-spacing: 0.02em; }
.pillar__tactics-lead {
    font-size: 0.6875rem;
    font-weight: 500;
    letter-spacing: 0.2em;
    text-transform: uppercase;
    color: var(--grey-400);
    margin: 1.5rem 0 0.75rem;
    display: flex;
    align-items: center;
    gap: 0.625rem;
}
.pillar__tactics-lead::before {
    content: "";
    display: block;
    width: 1.25rem;
    height: 1px;
    background: var(--accent);
    flex-shrink: 0;
}
.pillar__tactics {
    list-style: none;
    padding: 0;
    margin: 0;
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
    font-size: 0.9375rem;
    color: var(--grey-400);
}
.pillar__tactics li { padding-left: 1.25em; position: relative; }
.pillar__tactics li::before {
    content: "→";
    position: absolute;
    left: 0;
    color: var(--accent);
}

.pillars__stickycol {
    position: sticky;
    top: calc(var(--nav-height) + 2rem);
    align-self: start;
    height: calc(100vh - var(--nav-height) - 4rem);
    min-height: 540px;
    max-height: 820px;
}
.pillars__mockup-wrap { height: 100%; }
.pillars__mockup-wrap .mockup { height: 100%; }

/* === Pipeline visualization (replaces mockup on desktop) === */
.pipeline {
    height: 100%;
    background: linear-gradient(180deg, rgba(123, 226, 255, 0.025), rgba(0,0,0,0) 40%), var(--grey-900);
    border: 1px solid var(--grey-700);
    border-radius: 18px;
    padding: clamp(1.25rem, 2vw, 1.75rem);
    display: flex;
    flex-direction: column;
    gap: 1rem;
    overflow: hidden;
    position: relative;
}
.pipeline__header {
    padding-bottom: 0.875rem;
    border-bottom: 1px solid var(--grey-700);
    flex-shrink: 0;
}
.pipeline__q {
    font-family: var(--mono);
    font-size: 0.75rem;
    color: var(--grey-400);
    letter-spacing: 0.02em;
}
.pipeline__body {
    flex: 1;
    display: flex;
    flex-direction: column;
    min-height: 0;
}

/* --- Stages --- */
.stage {
    display: flex;
    flex-direction: column;
    gap: 0.625rem;
    opacity: 0.12;
    filter: saturate(0.35) brightness(0.85);
    transition: opacity 500ms var(--ease-snap), filter 500ms var(--ease-snap), background 500ms var(--ease-snap);
    padding: 0.75rem 0.75rem 0.75rem 0.85rem;
    margin: 0 -0.75rem 0 -0.85rem;
    border-radius: 8px;
    min-height: 0;
    flex-shrink: 0;
    position: relative;
}
.stage.is-active {
    opacity: 1;
    filter: saturate(1) brightness(1);
    background: linear-gradient(180deg, rgba(123, 226, 255, 0.035), rgba(123, 226, 255, 0));
}
.stage.is-active::before {
    content: "";
    position: absolute;
    left: 0;
    top: 0.55rem;
    bottom: 0.55rem;
    width: 2px;
    border-radius: 1px;
    background: var(--accent);
    box-shadow: 0 0 12px rgba(123, 226, 255, 0.55);
}
@media (prefers-reduced-motion: reduce) {
    .stage { transition: none; }
}
.stage__head {
    display: flex;
    align-items: baseline;
    gap: 0.75rem;
    flex-shrink: 0;
}
.stage__num {
    font-family: var(--mono);
    font-size: 0.6875rem;
    color: var(--grey-500);
    letter-spacing: 0.15em;
}
.stage__label {
    font-size: 0.75rem;
    font-weight: 500;
    letter-spacing: 0.2em;
    text-transform: uppercase;
    color: var(--grey-300);
    transition: color 400ms var(--ease-snap);
}
.stage.is-active .stage__label { color: var(--accent); }

/* Stage 1: sources */
.stage__sources {
    list-style: none;
    margin: 0;
    padding: 0;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 0.375rem 0.875rem;
    font-size: 0.75rem;
    color: var(--grey-400);
    font-family: var(--mono);
}
.src {
    padding-left: 0.875em;
    position: relative;
    transition: color 400ms var(--ease-snap);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}
.src::before {
    content: "";
    position: absolute;
    left: 0; top: 50%;
    width: 6px; height: 6px;
    border-radius: 50%;
    background: var(--grey-600);
    transform: translateY(-50%);
    transition: background 400ms var(--ease-snap), box-shadow 400ms var(--ease-snap);
}
.stage--retrieval.is-active .src::before { background: var(--grey-400); }
.src--you { color: var(--accent) !important; font-weight: 500; }
.stage--retrieval.is-active .src--you::before {
    background: var(--accent);
    box-shadow: 0 0 10px rgba(123, 226, 255, 0.7);
}

/* Stage 2: shortlist */
.stage__shortlist {
    list-style: none;
    margin: 0;
    padding: 0;
    display: flex;
    flex-direction: column;
    gap: 0.375rem;
}
.pick {
    display: grid;
    grid-template-columns: auto 1fr;
    align-items: center;
    gap: 0.75rem;
    padding: 0.5rem 0.75rem;
    border: 1px solid var(--grey-700);
    border-radius: 8px;
    font-size: 0.8125rem;
    color: var(--grey-300);
    background: rgba(0,0,0,0.2);
    transition: border-color 400ms var(--ease-snap), background 400ms var(--ease-snap), color 400ms var(--ease-snap);
}
.pick__rank {
    font-family: var(--mono);
    font-size: 0.6875rem;
    color: var(--grey-500);
    width: 1.2em;
    text-align: center;
}
.pick--you {
    color: var(--accent);
    font-weight: 500;
}
.stage--synthesis.is-active .pick--you {
    border-color: var(--accent);
    background: rgba(123, 226, 255, 0.08);
    box-shadow: 0 0 0 1px var(--accent) inset;
}
.stage--synthesis.is-active .pick--you .pick__rank { color: var(--accent); }

/* Stage 3: pull quote */
.stage__quote {
    margin: 0;
    padding: 0.75rem 0 0.5rem 0.875rem;
    border-left: 2px solid var(--grey-600);
    font-size: 0.875rem;
    line-height: 1.45;
    color: var(--grey-300);
    font-weight: 300;
    letter-spacing: -0.005em;
    transition: border-color 400ms var(--ease-snap), color 400ms var(--ease-snap);
}
.stage__quote strong { color: var(--grey-300); font-weight: 500; transition: color 400ms var(--ease-snap); }
.stage__quote cite {
    display: block;
    margin-top: 0.5rem;
    font-size: 0.6875rem;
    color: var(--grey-500);
    font-style: normal;
    letter-spacing: 0.15em;
    text-transform: uppercase;
}
.stage--extraction.is-active { }
.stage--extraction.is-active .stage__quote { border-left-color: var(--accent); color: #fff; }
.stage--extraction.is-active .stage__quote strong { color: var(--accent); }

/* Flow connectors between stages */
.pipeline__flow {
    position: relative;
    flex: 1 1 auto;
    min-height: 32px;
    display: flex;
    justify-content: center;
    overflow: hidden;
}
.pipeline__flow svg { width: 2px; height: 100%; overflow: visible; }
.pipeline__line {
    stroke: var(--grey-700);
    stroke-width: 2;
    stroke-dasharray: 3 5;
    fill: none;
    transition: stroke 400ms var(--ease-snap);
}
.pipeline[data-stage="geo"] [data-flow="1"] .pipeline__line,
.pipeline[data-stage="aeo"] [data-flow="1"] .pipeline__line,
.pipeline[data-stage="aeo"] [data-flow="2"] .pipeline__line {
    stroke: var(--accent);
}
.pipeline__particle {
    position: absolute;
    top: 0; left: 50%;
    width: 8px; height: 8px;
    border-radius: 50%;
    background: var(--accent);
    box-shadow: 0 0 12px rgba(123, 226, 255, 0.8);
    transform: translate(-50%, -20px);
    opacity: 0;
    pointer-events: none;
}
.pipeline__flow.is-flowing .pipeline__particle {
    animation: flow-down 900ms var(--ease-snap) forwards;
}
@keyframes flow-down {
    0%   { transform: translate(-50%, -10px); opacity: 0; }
    20%  { opacity: 1; }
    80%  { opacity: 1; }
    100% { transform: translate(-50%, calc(100% + 10px)); opacity: 0; }
}

@media (prefers-reduced-motion: reduce) {
    .stage { transition: none; }
    .pipeline__flow.is-flowing .pipeline__particle { animation: none; opacity: 0; }
}

@media (max-width: 1023px) {
    .pillars__grid { grid-template-columns: 1fr; }
    .pillars__stickycol { position: static; height: auto; min-height: 0; max-height: none; order: -1; }
    .pillar { min-height: 0; padding-top: 1.5rem; }
}

/* === Pillars mockup per-state === */
.mockup[data-mockup="pillars"] .mockup__bubble--ai {
    transition: opacity 300ms var(--ease-snap);
    min-height: 260px;
}
.mockup[data-mockup="pillars"][data-state="gso"]  .mockup__tab::after { content: " / retrieving sources"; color: var(--grey-500); }
.mockup[data-mockup="pillars"][data-state="geo"]  .mockup__tab::after { content: " / synthesizing answer"; color: var(--grey-500); }
.mockup[data-mockup="pillars"][data-state="aeo"]  .mockup__tab::after { content: " / extracting quote";   color: var(--grey-500); }

.pillar--active .pillar__acronym { text-shadow: 0 0 32px rgba(123, 226, 255, 0.35); }

/* Source-list treatment for GSO */
.src-list { list-style: none; padding: 0; margin: 0.5rem 0 0; display: flex; flex-direction: column; gap: 0.375rem; font-size: 0.875rem; }
.src-list li { padding-left: 1.25em; position: relative; color: var(--grey-400); }
.src-list li::before { content: "↗"; position: absolute; left: 0; color: var(--grey-500); }
.src-list li.src-list__you { color: var(--accent); font-weight: 500; }
.src-list li.src-list__you::before { color: var(--accent); }

/* Pull-quote treatment for AEO */
.pullquote {
    font-size: clamp(1.125rem, 1.6vw, 1.5rem);
    line-height: 1.3;
    color: #fff;
    font-weight: 300;
    letter-spacing: -0.005em;
    padding-left: 1rem;
    border-left: 2px solid var(--accent);
    margin: 0.5rem 0 0.75rem;
}
.pullquote__attr { display: block; margin-top: 0.75rem; font-size: 0.8125rem; color: var(--grey-400); letter-spacing: 0.05em; text-transform: uppercase; }
.pullquote__attr strong { color: var(--accent); font-weight: 500; }

/* === Proof / Metrics === */
.proof { background: var(--grey-900); border-top: 1px solid var(--grey-700); }
.proof__header { display: flex; flex-direction: column; gap: 1rem; max-width: 70ch; margin-bottom: clamp(2rem, 5vw, 4rem); }
.proof__header .numeral { letter-spacing: 0.3em; }

/* === Metrics: 3-column grid of headline results === */
.metrics {
    list-style: none;
    padding: clamp(2rem, 5vw, 4rem) 0;
    margin: 0;
    border-top: 1px solid var(--grey-700);
    border-bottom: 1px solid var(--grey-700);
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: clamp(1.5rem, 3vw, 3rem);
}
.metric {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    gap: 0.875rem;
    padding: 0 clamp(0.5rem, 2vw, 1.5rem);
}
.metric + .metric {
    border-left: 1px solid var(--grey-700);
}
.metric__figure {
    font-size: clamp(3rem, 7vw, 5.5rem);
    font-weight: 300;
    letter-spacing: -0.03em;
    line-height: 0.95;
    color: var(--accent);
    font-variant-numeric: tabular-nums;
}
.metric__label {
    font-size: clamp(0.9375rem, 1.1vw, 1.0625rem);
    color: var(--grey-300);
    max-width: 28ch;
    line-height: 1.4;
}

@media (max-width: 767px) {
    .metrics { grid-template-columns: 1fr; gap: 2rem; }
    .metric + .metric { border-left: 0; border-top: 1px solid var(--grey-700); padding-top: 2rem; }
}

/* === Case study cards === */
.cases { margin-top: clamp(3rem, 6vw, 5rem); }
.cases__label { margin-bottom: 1.5rem; }

/* === Cases: editorial ledger ===
   Subgrid pattern: .cases__grid holds the real column template; .case and
   .case__trigger are subgrids that span all columns so every row shares the
   same column widths. Result: the index, industry label, metric and
   description all vertically align across the three rows. */
.cases__grid {
    display: grid;
    grid-template-columns: auto auto auto 1fr auto;
    column-gap: clamp(1rem, 2.5vw, 2.25rem);
    border-top: 1px solid var(--grey-700);
}

.case {
    display: grid;
    grid-column: 1 / -1;
    grid-template-columns: subgrid;
    position: relative;
    background: transparent;
    border: 0;
    border-bottom: 1px solid var(--grey-700);
    border-radius: 0;
    box-shadow: none;
    transition: background 300ms var(--ease-snap);
}
.case:hover {
    background: linear-gradient(90deg, rgba(123, 226, 255, 0.03), rgba(123, 226, 255, 0) 70%);
    transform: none;
}

.case__trigger {
    display: grid;
    grid-column: 1 / -1;
    grid-template-columns: subgrid;
    align-items: center;
    padding: clamp(1.5rem, 3vw, 2.25rem) 0.25rem;
    width: 100%;
    min-height: 0;
    height: auto;
    text-align: left;
    cursor: pointer;
    font: inherit;
    color: inherit;
    background: none;
    border: 0;
}
.case__trigger:focus-visible {
    outline: 2px solid var(--accent);
    outline-offset: -4px;
    border-radius: 2px;
}

.case__index {
    font-family: var(--mono);
    color: var(--grey-500);
    font-size: 0.75rem;
    letter-spacing: 0.2em;
    font-variant-numeric: tabular-nums;
    text-transform: uppercase;
}

.case__industry {
    font-size: 0.75rem;
    font-weight: 500;
    letter-spacing: 0.22em;
    text-transform: uppercase;
    color: var(--grey-300);
    margin: 0;
    white-space: nowrap;
}

.case__metric {
    display: inline-flex;
    align-items: center;
    gap: 0.55rem;
    font-variant-numeric: tabular-nums;
    font-size: clamp(2rem, 4.5vw, 3.25rem);
    font-weight: 300;
    letter-spacing: -0.02em;
    line-height: 1;
    color: var(--accent);
}
.case__metric-num {
    display: inline-block;
    min-width: 2ch;
    text-align: right;
}
.case__metric-num--from { color: var(--grey-500); font-weight: 300; }
.case__metric-num--to { color: var(--accent); font-weight: 400; }
.case__metric-unit {
    font-size: 0.45em;
    color: var(--accent);
    align-self: flex-end;
    padding-bottom: 0.5em;
    letter-spacing: 0;
    margin-left: -0.05em;
}

.case__metric-arrow {
    display: inline-flex;
    align-items: center;
    width: 1.8em;
    height: 0.55em;
}
.case__metric-arrow svg { width: 100%; height: 100%; overflow: visible; }
.case__metric-arrow svg line,
.case__metric-arrow svg polyline {
    stroke: var(--grey-500);
    stroke-width: 1.5;
    stroke-linecap: round;
    stroke-linejoin: round;
    fill: none;
    transition: stroke 600ms var(--ease-snap);
}
.case__metric svg line {
    stroke-dasharray: 1;
    stroke-dashoffset: 1;
}
.case__metric svg polyline {
    opacity: 0;
    transition: opacity 300ms var(--ease-snap) 400ms, stroke 600ms var(--ease-snap);
}
.case__metric.is-revealed svg line {
    animation: case-arrow-draw 500ms var(--ease-snap) 100ms forwards;
    stroke: var(--accent);
}
.case__metric.is-revealed svg polyline {
    opacity: 1;
    stroke: var(--accent);
}
@keyframes case-arrow-draw { to { stroke-dashoffset: 0; } }

.case__desc {
    font-size: 0.9375rem;
    color: var(--grey-400);
    line-height: 1.45;
    max-width: 22rem;
}

.case__more {
    justify-self: end;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    color: var(--grey-500);
    font-size: 0.6875rem;
    font-weight: 500;
    letter-spacing: 0.2em;
    text-transform: uppercase;
    line-height: 1;
    white-space: nowrap;
    transition: color 250ms var(--ease-snap);
}
.case__more-arrow {
    display: inline-block;
    font-size: 0.95rem;
    letter-spacing: 0;
    transition: transform 250ms var(--ease-snap);
}
.case:hover .case__more,
.case__trigger:focus-visible .case__more {
    color: var(--accent);
}
.case:hover .case__more-arrow,
.case__trigger:focus-visible .case__more-arrow {
    transform: translateX(4px);
}

/* Tablet / mobile stack — opt out of subgrid and use a 3-col row-per-element layout */
@media (max-width: 900px) {
    .cases__grid {
        display: flex;
        flex-direction: column;
    }
    .case {
        display: block;
    }
    .case__trigger {
        display: grid;
        grid-template-columns: max-content 1fr auto;
        grid-template-rows: auto auto auto;
        column-gap: 1.25rem;
        row-gap: 0.5rem;
        padding: 1.5rem 0.25rem;
    }
    .case__index { grid-column: 1; grid-row: 1; }
    .case__industry { grid-column: 2; grid-row: 1; white-space: normal; }
    .case__more {
        grid-column: 3;
        grid-row: 1 / span 3;
        align-self: center;
        opacity: 1;
        transform: none;
    }
    .case__metric {
        grid-column: 1 / span 2;
        grid-row: 2;
        justify-self: start;
        margin-top: 0.5rem;
    }
    .case__desc {
        grid-column: 1 / span 2;
        grid-row: 3;
    }
}

/* === Case drawer (sliding panel) === */
html.has-drawer-open { overflow: hidden; }

.case-drawer {
    position: fixed;
    inset: 0;
    z-index: 120;
    pointer-events: none;
}
.case-drawer.is-open { pointer-events: auto; }

.case-drawer__scrim {
    position: absolute;
    inset: 0;
    background: rgba(0, 0, 0, 0.55);
    backdrop-filter: blur(3px);
    -webkit-backdrop-filter: blur(3px);
    opacity: 0;
    transition: opacity 300ms var(--ease-snap);
    cursor: pointer;
}
.case-drawer.is-open .case-drawer__scrim { opacity: 1; }

.case-drawer__panel {
    position: absolute;
    top: 0;
    right: 0;
    bottom: 0;
    width: min(720px, 92vw);
    background: #0b0d12;
    border-left: 1px solid var(--grey-700);
    box-shadow: -40px 0 80px -20px rgba(0, 0, 0, 0.6);
    transform: translateX(100%);
    transition: transform 360ms cubic-bezier(0.32, 0.72, 0, 1);
    overflow-y: auto;
    overscroll-behavior: contain;
    outline: none;
}
.case-drawer.is-open .case-drawer__panel { transform: translateX(0); }

.case-drawer__close {
    position: sticky;
    top: 0;
    margin-left: auto;
    display: flex;
    align-items: center;
    justify-content: center;
    width: 48px;
    height: 48px;
    margin-right: clamp(0.5rem, 1vw, 1rem);
    margin-top: clamp(0.5rem, 1vw, 1rem);
    background: none;
    border: 0;
    color: var(--grey-300);
    cursor: pointer;
    border-radius: 999px;
    transition: color 150ms var(--ease-snap), background 150ms var(--ease-snap);
    z-index: 2;
    float: right;
}
.case-drawer__close:hover { color: #fff; background: rgba(255, 255, 255, 0.06); }
.case-drawer__close:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; }

.case-drawer__body {
    padding: clamp(1.5rem, 3vw, 2.75rem) clamp(1.5rem, 3.5vw, 3rem) clamp(2.5rem, 4vw, 3.5rem);
    clear: both;
}
.drawer__num { font-family: var(--mono); color: var(--grey-400); font-size: 0.75rem; letter-spacing: 0.2em; text-transform: uppercase; margin: 0 0 0.75rem; }
.drawer__industry { font-size: clamp(1.75rem, 3vw, 2.375rem); font-weight: 400; letter-spacing: -0.015em; margin: 0 0 0.5rem; color: #fff; line-height: 1.1; }
.drawer__scope { font-size: 0.9375rem; color: var(--grey-400); margin: 0 0 clamp(1.75rem, 3vw, 2.5rem); padding-bottom: clamp(1.25rem, 2.5vw, 2rem); border-bottom: 1px solid var(--grey-700); }
.drawer__sections { display: grid; gap: clamp(1.5rem, 2.5vw, 2.25rem); }
.drawer-section__label {
    font-size: 0.75rem;
    font-weight: 500;
    letter-spacing: 0.2em;
    text-transform: uppercase;
    color: var(--accent);
    margin: 0 0 0.75rem;
}
.drawer-section__body {
    font-size: 1rem;
    line-height: 1.65;
    color: var(--grey-200, #d6d8dd);
    margin: 0;
    text-wrap: pretty;
}
.drawer-outcomes {
    margin-top: clamp(2rem, 3.5vw, 2.75rem);
    padding-top: clamp(1.5rem, 2.5vw, 2rem);
    border-top: 1px solid var(--grey-700);
}
.drawer-outcomes__label {
    font-size: 0.75rem;
    font-weight: 500;
    letter-spacing: 0.2em;
    text-transform: uppercase;
    color: var(--accent);
    margin: 0 0 1.25rem;
}
.drawer-outcomes__row {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: clamp(1rem, 2vw, 1.75rem);
}
.outcome {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}
.outcome__figure {
    font-size: clamp(1.5rem, 2.6vw, 2.125rem);
    font-weight: 300;
    letter-spacing: -0.02em;
    color: var(--accent);
    font-variant-numeric: tabular-nums;
    line-height: 1;
}
.outcome__label {
    font-size: 0.8125rem;
    line-height: 1.45;
    color: var(--grey-300);
}
@media (max-width: 640px) {
    .drawer-outcomes__row { grid-template-columns: 1fr; gap: 1.25rem; }
}

@media (prefers-reduced-motion: reduce) {
    .case-drawer__panel,
    .case-drawer__scrim { transition: none; }
}

/* === Section 04 — Final CTA === */
.cta {
    text-align: center;
    background: #000;
    border-top: 1px solid var(--grey-700);
    position: relative;
    overflow: hidden;
}
.cta::before {
    content: "";
    position: absolute;
    inset: 0;
    background: radial-gradient(ellipse at 50% 0%, rgba(123, 226, 255, 0.14), transparent 55%);
    pointer-events: none;
}
.cta__inner {
    position: relative;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 1.5rem;
    max-width: 64ch;
}
.cta__inner .numeral { letter-spacing: 0.3em; }
.cta__headline {
    color: #fff;
    margin: 0.5rem 0;
    /* Match .hero__headline scale so the final CTA reads with the same weight as the opener */
    font-size: clamp(2.5rem, 6.2vw, 5.25rem);
    line-height: 1;
}
.cta__lede { max-width: 52ch; color: var(--grey-300); }
.cta__btn { margin-top: 0.5rem; padding: 1.125rem 2rem; font-size: 1rem; }
.cta__includes {
    list-style: none;
    padding: 0;
    margin: 1.5rem 0 0;
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
    font-size: 0.9375rem;
    color: var(--grey-300);
    text-align: left;
    max-width: 48ch;
    width: 100%;
}
.cta__includes li { padding-left: 1.75em; position: relative; }
.cta__includes li::before {
    content: "✓";
    color: var(--accent);
    position: absolute;
    left: 0;
    font-weight: 500;
}
.cta__trust { color: var(--grey-400); letter-spacing: 0.25em; margin-top: 1rem; }

/* === Footer === */
.foot {
    border-top: 1px solid var(--grey-700);
    padding: 1.75rem 0;
    background: #000;
}
.foot__inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
    flex-wrap: wrap;
}
.foot__copy { font-size: 0.8125rem; color: var(--grey-400); letter-spacing: 0.1em; }
.foot__home { font-size: 0.8125rem; color: var(--grey-300); letter-spacing: 0.05em; transition: color 150ms ease; }
.foot__home:hover { color: var(--accent); }
.foot__social { color: var(--grey-300); transition: color 150ms ease; }
.foot__social:hover { color: var(--accent); }

@media (max-width: 479px) {
    .foot__inner { justify-content: center; text-align: center; }
}

/* ============================================================
   Responsive refinements (consolidated)
   Breakpoints: 1280 / 1024 / 768 / 480
   ============================================================ */

/* Small desktop: slight type reduction, narrower pane */
@media (max-width: 1279px) {
    .pillars__stickycol { max-height: 680px; }
}

/* Tablet and below */
@media (max-width: 1023px) {
    .hero { min-height: auto; padding-top: calc(var(--nav-height) + 3rem); }
    .hero__inner { gap: 2.5rem; }
}

/* Mobile */
@media (max-width: 767px) {
    :root { --section-pad-y: clamp(3rem, 12vw, 5rem); }
    .hero__lede { font-size: 1rem; }
    .cta__includes { font-size: 0.875rem; }
    .stakes__suffix { font-size: 1.125rem; }
    .pillar { min-height: 0; padding-top: 1.5rem; border-top: 1px solid var(--grey-700); }
    .pillars__stickycol { display: none; } /* mobile: hide the illustrative mockup entirely; pillar copy carries the message on its own at this size */
}

/* Very narrow */
@media (max-width: 479px) {
    .hero__headline { font-size: 2.25rem; line-height: 1; }
    .metric__figure { font-size: 3rem; }
    .stakes__figure { font-size: 6rem; }
}

/* === Reduced motion: belt-and-suspenders === */
@media (prefers-reduced-motion: reduce) {
    .mockup__cursor { animation: none; opacity: 0.7; }
    .mockup--glitching .mockup__bubble--ai { animation: none; }
    .kinetic-letter { transform: none !important; transition: none; }
}