/* ===================================
   FONTS
   =================================== */

@font-face {
    font-family: "Synt";
    src: url("assets/fonts/ABCSynt-Regular.woff2") format("woff2");
    font-weight: 400;
    font-style: normal;
    font-display: swap;
}

@font-face {
    font-family: "Synt";
    src: url("assets/fonts/ABCSynt-RegularItalic.woff2") format("woff2");
    font-weight: 400;
    font-style: italic;
    font-display: swap;
}

@font-face {
    font-family: "Diatype Semi Mono";
    src: url("assets/fonts/ABCDiatypeSemi-Mono-Regular.woff2") format("woff2");
    font-weight: 400;
    font-style: normal;
    font-display: swap;
}

@font-face {
    font-family: "Diatype Semi Mono";
    src: url("assets/fonts/ABCDiatypeSemi-Mono-Medium.woff2") format("woff2");
    font-weight: 500;
    font-style: normal;
    font-display: swap;
}

@font-face {
    font-family: "Diatype Semi Mono";
    src: url("assets/fonts/ABCDiatypeSemi-Mono-Bold.woff2") format("woff2");
    font-weight: 700;
    font-style: normal;
    font-display: swap;
}

@font-face {
    font-family: "Diatype Semi Mono";
    src: url("assets/fonts/ABCDiatypeSemi-Mono-RegularItalic.woff2")
        format("woff2");
    font-weight: 400;
    font-style: italic;
    font-display: swap;
}

/* ===================================
   CUSTOM PROPERTIES
   =================================== */

:root {
    /* Colors */
    --color-background: #f1eee7;
    --color-surface: #eae6db;
    --color-surface-deep: #e2ddd0;
    --color-text: #212420;
    --color-ink: #212420;
    --color-ink-deep: #1a1c18;
    --color-ink-black: #131512;
    --color-primary: #8f0709;
    --color-primary-hover: #570406;
    --color-ember: #c2342a;

    /* Color variations - dark on light backgrounds */
    --color-border: rgba(33, 36, 32, 0.1);
    --color-border-hover: rgba(33, 36, 32, 0.2);
    --color-bg-subtle: rgba(33, 36, 32, 0.02);
    --color-bg-muted: rgba(33, 36, 32, 0.05);

    /* Color variations - light on dark backgrounds */
    --color-border-light: rgba(241, 238, 231, 0.1);
    --color-border-light-hover: rgba(241, 238, 231, 0.15);
    --color-border-light-strong: rgba(241, 238, 231, 0.3);
    --color-border-light-active: rgba(241, 238, 231, 0.4);
    --color-border-light-focus: rgba(241, 238, 231, 0.6);
    --color-bg-light: rgba(241, 238, 231, 0.1);

    /* Typography */
    --font-serif: "Synt", serif;
    --font-mono: "Diatype Semi Mono", monospace;

    /* Spacing */
    --space-xs: 0.5rem;
    --space-sm: 1rem;
    --space-md: 2rem;
    --space-lg: 4rem;
    --space-xl: 6rem;
    --space-2xl: 8rem;
    --space-3xl: 12rem;

    /* Container */
    --container-width: 1400px;
    --container-padding: 2rem;

    /* Section spacing */
    --section-padding: clamp(110px, 9vw, 170px);

    /* Radii */
    --radius-sm: 6px;
    --radius-md: 12px;
    --radius-lg: 20px;

    /* Easing */
    --ease-out: cubic-bezier(0.23, 1, 0.32, 1);
    --ease-expo: cubic-bezier(0.16, 1, 0.3, 1);
    --ease-spring: cubic-bezier(0.34, 1.3, 0.64, 1);

    /* Motion durations */
    --reveal-duration: 900ms;

    /* Grain texture (inline SVG, no asset request) */
    --grain: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='180' height='180'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='2' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='0.55'/%3E%3C/svg%3E");
}

/* ===================================
   RESET & BASE
   =================================== */

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

html {
    font-size: 16px;
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-mono);
    font-weight: 400;
    line-height: 1.6;
    color: var(--color-text);
    background-color: var(--color-background);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    overflow-x: hidden;
}

h1,
h2,
h3,
h4,
h5,
h6 {
    font-family: var(--font-serif);
    font-weight: 400;
    line-height: 1.1;
    text-wrap: balance;
}

a {
    color: inherit;
    text-decoration: none;
}

ul {
    list-style: none;
}

img {
    max-width: 100%;
    height: auto;
    display: block;
}

::selection {
    background-color: var(--color-primary);
    color: var(--color-background);
}

/* Numbers line up in stats and tables */
.performance-number,
.step-number,
.layer h3,
code {
    font-variant-numeric: tabular-nums;
}

/* ===================================
   SCROLL PROGRESS (injected by motion.js)
   =================================== */

.scroll-progress {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 2px;
    background: linear-gradient(90deg, var(--color-primary), var(--color-ember));
    transform: scaleX(0);
    transform-origin: left center;
    z-index: 1100;
    pointer-events: none;
}

/* ===================================
   NAVIGATION
   =================================== */

.nav {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background-color: rgba(241, 238, 231, 0.78);
    -webkit-backdrop-filter: blur(18px) saturate(1.4);
    backdrop-filter: blur(18px) saturate(1.4);
    border-bottom: 1px solid transparent;
    transition: border-color 400ms var(--ease-out),
        box-shadow 400ms var(--ease-out),
        background-color 400ms var(--ease-out);
}

.nav--scrolled {
    border-bottom-color: var(--color-border);
    background-color: rgba(241, 238, 231, 0.85);
    box-shadow: 0 12px 40px rgba(33, 36, 32, 0.07);
}

.nav-container {
    max-width: var(--container-width);
    margin: 0 auto;
    padding: var(--space-sm) var(--container-padding);
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--space-md);
}

.nav-logo img {
    height: 32px;
    width: 140px;
    transition: opacity 200ms var(--ease-out);
}

.nav-logo:hover img {
    opacity: 0.7;
}

.nav-links {
    display: flex;
    gap: var(--space-lg);
    font-size: 0.9rem;
}

.nav-links a {
    position: relative;
    transition: opacity 200ms var(--ease-out);
    opacity: 0.7;
}

.nav-links a::after {
    content: "";
    position: absolute;
    left: 0;
    bottom: -5px;
    width: 100%;
    height: 1px;
    background-color: currentColor;
    transform: scaleX(0);
    transform-origin: right center;
    transition: transform 350ms var(--ease-expo);
}

.nav-links a:hover {
    opacity: 1;
}

.nav-links a:hover::after {
    transform: scaleX(1);
    transform-origin: left center;
}

.nav-actions {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
}

.nav-cta {
    padding: 0.55rem 1.5rem;
    font-size: 0.85rem;
}

/* ===================================
   MOBILE MENU (button + overlay injected by motion.js)
   =================================== */

.nav-menu-btn {
    display: none;
    position: fixed;
    top: 13px;
    right: var(--container-padding);
    width: 40px;
    height: 40px;
    background-color: rgba(241, 238, 231, 0.6);
    border: 1px solid var(--color-border-hover);
    border-radius: var(--radius-sm);
    cursor: pointer;
    z-index: 1300;
    transition: border-color 250ms var(--ease-out);
}

.nav-menu-btn span {
    position: absolute;
    left: 11px;
    width: 16px;
    height: 1.5px;
    background-color: var(--color-text);
    transition: transform 350ms var(--ease-expo), top 350ms var(--ease-expo),
        background-color 350ms var(--ease-out);
}

.nav-menu-btn span:nth-child(1) {
    top: 15px;
}

.nav-menu-btn span:nth-child(2) {
    top: 22px;
}

body.menu-open .nav-menu-btn span:nth-child(1) {
    top: 19px;
    transform: rotate(45deg);
    background-color: var(--color-background);
}

body.menu-open .nav-menu-btn span:nth-child(2) {
    top: 19px;
    transform: rotate(-45deg);
    background-color: var(--color-background);
}

body.menu-open .nav-menu-btn {
    border-color: var(--color-border-light-strong);
    background-color: transparent;
}

.nav-overlay {
    position: fixed;
    inset: 0;
    z-index: 1200;
    display: flex;
    flex-direction: column;
    justify-content: center;
    padding: var(--space-2xl) var(--container-padding) var(--space-lg);
    background:
        radial-gradient(120% 80% at 85% -10%, rgba(143, 7, 9, 0.35), transparent 60%),
        linear-gradient(180deg, var(--color-ink), var(--color-ink-black));
    color: var(--color-background);
    opacity: 0;
    visibility: hidden;
    transition: opacity 450ms var(--ease-out), visibility 450ms;
}

.nav-overlay::before {
    content: "";
    position: absolute;
    inset: 0;
    background-image: var(--grain);
    opacity: 0.16;
    pointer-events: none;
}

body.menu-open .nav-overlay {
    opacity: 1;
    visibility: visible;
}

body.menu-open {
    overflow: hidden;
}

.nav-overlay-links {
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
}

.nav-overlay-links a {
    font-family: var(--font-serif);
    font-size: clamp(2.2rem, 9vw, 3.5rem);
    line-height: 1.25;
    letter-spacing: -0.02em;
    opacity: 0;
    transform: translateY(28px);
    transition: opacity 550ms var(--ease-expo), transform 550ms var(--ease-expo);
}

body.menu-open .nav-overlay-links a {
    opacity: 1;
    transform: translateY(0);
}

.nav-overlay-links a:hover {
    font-style: italic;
    color: var(--color-ember);
}

.nav-overlay-footer {
    margin-top: var(--space-lg);
    display: flex;
    gap: var(--space-md);
    font-size: 0.85rem;
    text-transform: uppercase;
    letter-spacing: 0.12em;
}

.nav-overlay-footer a {
    opacity: 0.75;
    transition: opacity 200ms var(--ease-out);
}

.nav-overlay-footer a:hover {
    opacity: 1;
}

/* ===================================
   BUTTONS
   =================================== */

.btn-primary {
    position: relative;
    display: inline-block;
    padding: 0.75rem 2rem;
    background-color: var(--color-primary);
    background-image: linear-gradient(180deg, #a30d0f, var(--color-primary) 65%);
    color: var(--color-background);
    border-radius: var(--radius-sm);
    font-weight: 500;
    transition: box-shadow 300ms var(--ease-out), transform 200ms var(--ease-out),
        background-color 200ms var(--ease-out);
    border: none;
    cursor: pointer;
    font-family: var(--font-mono);
    font-size: 0.95rem;
    overflow: hidden;
    isolation: isolate;
    box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.14),
        0 1px 2px rgba(33, 36, 32, 0.2);
}

.btn-primary::after {
    content: "";
    position: absolute;
    inset: 0;
    background: linear-gradient(
        100deg,
        transparent 30%,
        rgba(255, 255, 255, 0.22) 50%,
        transparent 70%
    );
    transform: translateX(-130%);
    transition: transform 700ms var(--ease-out);
    pointer-events: none;
}

.btn-primary:hover {
    background-color: var(--color-primary-hover);
    box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.14),
        0 10px 30px rgba(143, 7, 9, 0.35);
}

.btn-primary:hover::after {
    transform: translateX(130%);
}

.btn-primary:active {
    transform: scale(0.97);
}

.btn-secondary {
    display: inline-block;
    padding: 0.75rem 2rem;
    background-color: transparent;
    color: var(--color-text);
    border: 1px solid var(--color-border-hover);
    border-radius: var(--radius-sm);
    font-weight: 500;
    transition: background-color 250ms var(--ease-out),
        border-color 250ms var(--ease-out), color 250ms var(--ease-out),
        transform 200ms var(--ease-out);
    cursor: pointer;
    font-family: var(--font-mono);
    font-size: 0.95rem;
}

.btn-secondary:hover {
    background-color: var(--color-text);
    border-color: var(--color-text);
    color: var(--color-background);
}

.btn-secondary:active {
    transform: scale(0.97);
}

.btn-large {
    padding: 1.25rem 3rem;
    font-size: 1.1rem;
}

/* Focus styles for accessibility */
.btn-primary:focus-visible,
.btn-secondary:focus-visible,
a:focus-visible,
button:focus-visible {
    outline: 2px solid var(--color-primary);
    outline-offset: 2px;
}

/* Skip link for keyboard navigation */
.skip-link {
    position: absolute;
    top: -100px;
    left: 50%;
    transform: translateX(-50%);
    background-color: var(--color-primary);
    color: var(--color-background);
    padding: 0.75rem 1.5rem;
    border-radius: 0 0 var(--radius-sm) var(--radius-sm);
    font-weight: 500;
    z-index: 10000;
    transition: top 0.2s ease;
}

.skip-link:focus {
    top: 0;
    outline: 2px solid var(--color-background);
    outline-offset: 2px;
}

/* ===================================
   MAIN CONTENT
   =================================== */

main {
    margin-top: 64px;
}

/* ===================================
   SECTION LABELS
   =================================== */

.section-label {
    display: flex;
    align-items: center;
    gap: 0.6rem;
    font-family: var(--font-mono);
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.15em;
    font-weight: 500;
    opacity: 0.75;
    margin-bottom: var(--space-sm);
}

.section-label::before {
    content: "";
    width: 7px;
    height: 7px;
    background-color: var(--color-primary);
    flex-shrink: 0;
}

/* Centered headers keep the marker centered too */
.how-header .section-label,
.text-center .section-label {
    justify-content: center;
}

/* ===================================
   DARK SECTIONS
   Full-bleed ink with ember glow + grain.
   Applied to legacy dark sections site-wide.
   =================================== */

.problem,
.performance,
.cta,
.section-dark {
    position: relative;
    padding: var(--section-padding) var(--container-padding);
    background-color: var(--color-ink);
    background-image:
        radial-gradient(110% 90% at 88% -12%, rgba(143, 7, 9, 0.4), transparent 58%),
        radial-gradient(80% 70% at 4% 112%, rgba(143, 7, 9, 0.18), transparent 55%),
        linear-gradient(175deg, #262923, var(--color-ink-black));
    color: var(--color-background);
    overflow: clip;
}

.problem::before,
.performance::before,
.cta::before,
.section-dark::before {
    content: "";
    position: absolute;
    inset: 0;
    background-image: var(--grain);
    opacity: 0.14;
    pointer-events: none;
}

.problem > *,
.performance > *,
.cta > *,
.section-dark > * {
    position: relative;
}

/* ===================================
   PROBLEM SECTION
   =================================== */

.problem-content {
    max-width: var(--container-width);
    margin: 0 auto;
    display: flex;
    justify-content: center;
}

.problem-text {
    max-width: 900px;
}

.problem-text h2 {
    font-size: clamp(2.5rem, 5vw, 4.5rem);
    margin-bottom: var(--space-lg);
    letter-spacing: -0.02em;
    line-height: 1.15;
}

.problem-text p {
    font-size: clamp(1.05rem, 1.5vw, 1.25rem);
    opacity: 0.75;
    margin-bottom: var(--space-md);
    line-height: 1.8;
    max-width: 760px;
}

.problem-text .problem-pivot {
    opacity: 0.95;
    font-weight: 500;
    font-size: clamp(1.1rem, 1.8vw, 1.35rem);
}

/* ===================================
   FEATURE SECTIONS
   =================================== */

.feature {
    padding: var(--section-padding) var(--container-padding);
}

.feature-flip {
    background-color: rgba(33, 36, 32, 0.04);
}

.feature-content {
    max-width: var(--container-width);
    margin: 0 auto;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-xl);
    align-items: center;
}

/* feature-flip: visual is already first in HTML, so no direction trick needed.
   The natural DOM order places visual left, text right. */

.feature-text h2 {
    font-size: clamp(2.5rem, 4vw, 3.5rem);
    margin-bottom: var(--space-md);
    letter-spacing: -0.02em;
}

.feature-text > p {
    font-size: clamp(1.05rem, 1.5vw, 1.2rem);
    opacity: 0.7;
    margin-bottom: var(--space-md);
    line-height: 1.8;
}

.feature-list {
    list-style: none;
}

.feature-list li {
    padding: 0.75rem 0;
    padding-left: 1.5rem;
    position: relative;
    font-size: 1rem;
    line-height: 1.6;
}

.feature-list li:not(.fade-up) {
    opacity: 0.85;
}

.feature-list li.fade-up.is-visible {
    opacity: 0.85;
}

.feature-list li::before {
    content: "";
    position: absolute;
    left: 0;
    top: 1.35rem;
    width: 0.85rem;
    height: 1px;
    background-color: var(--color-primary);
}

.feature-list a {
    color: var(--color-primary);
    text-decoration: underline;
    text-underline-offset: 2px;
    transition: opacity 200ms var(--ease-out);
}

.feature-list a:hover {
    opacity: 0.7;
}

.feature-cta {
    display: inline-block;
    margin-top: var(--space-md);
    font-size: 0.95rem;
    font-weight: 500;
    color: var(--color-primary);
    text-decoration: none;
    background-image: linear-gradient(currentColor, currentColor);
    background-repeat: no-repeat;
    background-position: left bottom;
    background-size: 0% 1px;
    padding-bottom: 3px;
    transition: color 200ms var(--ease-out), background-size 350ms var(--ease-expo);
}

.feature-cta:hover {
    color: var(--color-primary-hover);
    background-size: 100% 1px;
}

.feature-cta-row {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-sm) var(--space-md);
    margin-top: var(--space-md);
}

.feature-cta-row .feature-cta {
    margin-top: 0;
}

.feature-visual {
    display: flex;
    align-items: center;
    justify-content: center;
    aspect-ratio: 1440 / 901;
}

.feature-visual img,
.feature-visual svg,
.feature-visual video {
    width: 100%;
    height: 100%;
    object-fit: contain;
}

.feature-precision .feature-visual img,
.feature-precision .feature-visual video,
.feature-privacy .feature-visual img {
    border-radius: var(--radius-md);
}

.feature-precision .feature-visual,
.feature-bitcoin .feature-visual {
    aspect-ratio: auto;
}

.feature-precision .feature-visual video {
    box-shadow: 0 24px 80px rgba(33, 36, 32, 0.14), 0 4px 12px rgba(33, 36, 32, 0.06);
    border: 1px solid rgba(33, 36, 32, 0.08);
}

.feature-bitcoin .feature-visual img,
.feature-bitcoin .feature-visual video {
    border-radius: var(--radius-md);
    box-shadow: 0 24px 80px rgba(33, 36, 32, 0.14), 0 4px 12px rgba(33, 36, 32, 0.06);
    border: 1px solid rgba(33, 36, 32, 0.08);
}

/* ===================================
   PERFORMANCE SECTION
   =================================== */

.performance-content {
    max-width: 1100px;
    margin: 0 auto;
}

.performance-content h2 {
    font-size: clamp(2.5rem, 4vw, 4rem);
    margin-bottom: var(--space-xl);
    letter-spacing: -0.02em;
    text-align: center;
}

.performance-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-lg);
}

.performance-item {
    text-align: left;
    padding-left: var(--space-lg);
}

.performance-item:not(:first-child) {
    border-left: 1px solid rgba(241, 238, 231, 0.15);
}

.performance-number {
    font-family: var(--font-serif);
    font-size: clamp(2.5rem, 4vw, 4rem);
    margin-bottom: 0.5rem;
    letter-spacing: -0.02em;
}

.performance-label {
    font-size: 0.8rem;
    text-transform: uppercase;
    letter-spacing: 0.12em;
    opacity: 0.7;
}

/* ===================================
   HOW IT WORKS SECTION
   =================================== */

.how-it-works {
    padding: var(--section-padding) var(--container-padding);
}

.how-content {
    max-width: var(--container-width);
    margin: 0 auto;
}

.how-header {
    text-align: center;
    margin-bottom: var(--space-xl);
}

.how-content h2 {
    font-size: clamp(2.5rem, 4vw, 3.5rem);
    letter-spacing: -0.02em;
}

.steps {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 0;
}

.step {
    padding: var(--space-md) var(--space-lg) var(--space-sm) var(--space-lg);
    transition: background-color 350ms var(--ease-out);
    border-radius: var(--radius-md);
}

.step:hover {
    background-color: var(--color-bg-subtle);
}

.step:not(:first-child) {
    border-left: 1px solid rgba(33, 36, 32, 0.12);
    border-radius: 0 var(--radius-md) var(--radius-md) 0;
}

.step-number {
    font-family: var(--font-serif);
    font-style: italic;
    font-size: clamp(1.8rem, 3vw, 2.5rem);
    color: var(--color-primary);
    margin-bottom: 0.5rem;
    line-height: 1;
}

.step h3 {
    font-size: 1.2rem;
    margin-bottom: 0.5rem;
    font-weight: 400;
}

.step p {
    opacity: 0.7;
    line-height: 1.6;
    font-size: 0.95rem;
}

.step p a {
    text-decoration: underline;
    text-underline-offset: 2px;
    transition: opacity 200ms var(--ease-out);
}

.step p a:hover {
    opacity: 0.7;
}

/* ===================================
   CTA SECTION
   =================================== */

.cta-content {
    max-width: var(--container-width);
    margin: 0 auto;
    text-align: left;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-xl);
    align-items: center;
}

.cta-left h2 {
    font-size: clamp(2.5rem, 4vw, 4.5rem);
    letter-spacing: -0.02em;
}

.cta-right p {
    font-size: clamp(1.05rem, 1.5vw, 1.25rem);
    opacity: 0.75;
    margin-bottom: var(--space-md);
    line-height: 1.7;
}

.cta-actions {
    display: flex;
    flex-direction: row;
    justify-content: flex-start;
    gap: var(--space-md);
}

.cta .btn-secondary {
    color: var(--color-background);
    border-color: var(--color-border-light-strong);
}

.cta .btn-secondary:hover {
    background-color: var(--color-background);
    border-color: var(--color-background);
    color: var(--color-text);
}

.cta-centered {
    max-width: var(--container-width);
    margin: 0 auto;
    text-align: center;
}

.cta-centered h2 {
    font-size: clamp(2.5rem, 4vw, 4.5rem);
    letter-spacing: -0.02em;
    margin-bottom: var(--space-md);
}

/* ===================================
   PERSONA STRIP (pill links)
   =================================== */

.persona-strip {
    display: flex;
    flex-wrap: wrap;
    gap: 0.4rem;
    font-size: 0.85rem;
}

.persona-strip a {
    display: inline-block;
    padding: 0.3rem 0.75rem;
    border: 1px solid rgba(33, 36, 32, 0.15);
    border-radius: 100px;
    text-decoration: none;
    color: var(--color-text);
    opacity: 0.8;
    transition: border-color 250ms var(--ease-out), color 250ms var(--ease-out),
        background-color 250ms var(--ease-out), transform 250ms var(--ease-spring);
}

.persona-strip a:hover {
    border-color: var(--color-primary);
    color: var(--color-primary);
    opacity: 1;
    transform: translateY(-2px);
}

.cta .persona-strip a,
.section-dark .persona-strip a {
    color: var(--color-background);
    border-color: var(--color-border-light-strong);
}

.cta .persona-strip a:hover,
.section-dark .persona-strip a:hover {
    border-color: var(--color-background);
    background-color: rgba(241, 238, 231, 0.08);
    color: var(--color-background);
}

/* ===================================
   MARQUEE
   =================================== */

.marquee {
    overflow: hidden;
    border-top: 1px solid var(--color-border);
    border-bottom: 1px solid var(--color-border);
    padding: 1.1rem 0;
    position: relative;
    -webkit-mask-image: linear-gradient(
        90deg,
        transparent,
        #000 8%,
        #000 92%,
        transparent
    );
    mask-image: linear-gradient(90deg, transparent, #000 8%, #000 92%, transparent);
}

.marquee-track {
    display: flex;
    width: max-content;
    animation: marquee-scroll 46s linear infinite;
}

.marquee:hover .marquee-track,
.marquee:focus-within .marquee-track {
    animation-play-state: paused;
}

.marquee-group {
    display: flex;
    align-items: center;
    flex-shrink: 0;
}

.marquee-item {
    display: inline-flex;
    align-items: center;
    font-size: 0.85rem;
    text-transform: uppercase;
    letter-spacing: 0.16em;
    white-space: nowrap;
    opacity: 0.75;
    padding: 0 1.75rem;
    transition: opacity 200ms var(--ease-out), color 200ms var(--ease-out);
}

a.marquee-item:hover {
    opacity: 1;
    color: var(--color-primary);
}

.marquee-item::after {
    content: "";
    width: 5px;
    height: 5px;
    background-color: var(--color-primary);
    margin-left: 3.5rem;
    transform: rotate(45deg);
    flex-shrink: 0;
}

@keyframes marquee-scroll {
    to {
        transform: translateX(-50%);
    }
}

/* ===================================
   FOOTER
   =================================== */

.footer {
    position: relative;
    background-color: var(--color-ink);
    background-image:
        radial-gradient(90% 70% at 50% 120%, rgba(143, 7, 9, 0.25), transparent 60%),
        linear-gradient(180deg, var(--color-ink), var(--color-ink-black));
    color: var(--color-background);
    padding: var(--space-xl) var(--container-padding) var(--space-md);
    overflow: clip;
}

.footer::before {
    content: "";
    position: absolute;
    inset: 0;
    background-image: var(--grain);
    opacity: 0.12;
    pointer-events: none;
}

.footer > * {
    position: relative;
}

.footer-content {
    max-width: 1600px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: 3fr 7fr;
    gap: var(--space-xl);
    margin-bottom: var(--space-lg);
}

.footer-brand p {
    opacity: 0.75;
    margin-top: var(--space-sm);
    font-size: 0.95rem;
}

.footer-logo {
    height: 200px;
    margin-bottom: var(--space-sm);
}

.footer-links {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--space-lg);
}

.footer-column .footer-heading {
    font-family: var(--font-mono);
    font-size: 0.85rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: var(--space-sm);
    opacity: 0.75;
}

.footer-column a {
    display: block;
    padding: var(--space-xs) 0;
    opacity: 0.85;
    transition: opacity 200ms var(--ease-out), transform 200ms var(--ease-out);
    font-size: 0.95rem;
}

.footer-column a:hover {
    opacity: 1;
}

.footer-newsletter #mc_embed_signup_scroll {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.footer-newsletter input[type="email"] {
    background-color: var(--color-bg-light);
    border: 1px solid var(--color-border-light-strong);
    color: var(--color-background);
    padding: 0.65rem 0.85rem;
    margin-top: var(--space-xs);
    font-family: var(--font-mono);
    font-size: 0.9rem;
    border-radius: var(--radius-sm);
    transition: border-color 200ms var(--ease-out), background-color 200ms var(--ease-out);
    width: 100%;
    min-width: 250px;
}

.footer-newsletter input[type="email"]::placeholder {
    color: rgba(241, 238, 231, 0.7);
}

.footer-newsletter input[type="email"]:focus {
    outline: 2px solid var(--color-background);
    outline-offset: 2px;
    border-color: rgba(241, 238, 231, 0.5);
    background-color: var(--color-border-light-hover);
}

.footer-newsletter input[type="submit"] {
    background-color: var(--color-background);
    color: var(--color-text);
    border: none;
    padding: 0.65rem 0.85rem;
    font-family: var(--font-mono);
    font-size: 0.9rem;
    font-weight: 500;
    cursor: pointer;
    border-radius: var(--radius-sm);
    transition: background-color 200ms var(--ease-out), transform 160ms var(--ease-out);
    width: 100%;
    min-width: 250px;
}

.footer-newsletter input[type="submit"]:hover {
    background-color: rgba(241, 238, 231, 0.9);
}

.footer-newsletter input[type="submit"]:active {
    transform: scale(0.97);
}

.footer-newsletter .response {
    font-size: 0.85rem;
    margin-top: var(--space-xs);
    opacity: 0.8;
}

.footer-bottom {
    max-width: 1600px;
    margin: 0 auto;
    padding-top: var(--space-lg);
    border-top: 1px solid var(--color-border-light);
    text-align: center;
    opacity: 0.7;
    font-size: 0.9rem;
}

/* ===================================
   UTILITY CLASSES
   =================================== */

/* Arrow list - for lists with → bullets */
.list-arrow {
    list-style: none;
}

.list-arrow li {
    padding: var(--space-sm) 0;
    padding-left: 2rem;
    position: relative;
    font-size: 1.05rem;
    line-height: 1.6;
}

.list-arrow li::before {
    content: "→";
    position: absolute;
    left: 0;
    color: var(--color-primary);
    font-weight: 700;
}

/* Arrow list variant for dark backgrounds */
.list-arrow--light li::before {
    color: var(--color-background);
}

/* Email link styling for dark backgrounds */
.email-link {
    font-size: clamp(1.3rem, 2.5vw, 1.8rem);
    color: var(--color-background);
    text-decoration: none;
    border-bottom: 2px solid var(--color-border-light-strong);
    transition: border-color 200ms var(--ease-out), opacity 200ms var(--ease-out);
    display: inline-block;
    padding-bottom: 0.25rem;
}

.email-link:hover {
    border-bottom-color: var(--color-background);
    opacity: 0.9;
}

/* Card base styles: spotlight follows the cursor (motion.js sets --mx/--my) */
.card {
    position: relative;
    padding: var(--space-lg);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    transition: border-color 300ms var(--ease-out), transform 300ms var(--ease-out),
        box-shadow 300ms var(--ease-out);
    overflow: hidden;
    background-color: rgba(241, 238, 231, 0.4);
}

.card::after {
    content: "";
    position: absolute;
    inset: 0;
    background: radial-gradient(
        260px circle at var(--mx, 50%) var(--my, 50%),
        rgba(143, 7, 9, 0.07),
        transparent 65%
    );
    opacity: 0;
    transition: opacity 350ms var(--ease-out);
    pointer-events: none;
}

.card:hover {
    border-color: var(--color-border-hover);
    box-shadow: 0 20px 50px rgba(33, 36, 32, 0.08);
}

.card:hover::after {
    opacity: 1;
}

/* Card variant for dark backgrounds */
.card--dark {
    border-color: var(--color-border-light-hover);
    background-color: rgba(241, 238, 231, 0.03);
}

.card--dark::after {
    background: radial-gradient(
        260px circle at var(--mx, 50%) var(--my, 50%),
        rgba(241, 238, 231, 0.06),
        transparent 65%
    );
}

.card--dark:hover {
    border-color: var(--color-border-light-active);
    box-shadow: 0 20px 50px rgba(0, 0, 0, 0.25);
}

/* Opt-in spotlight for custom cards */
[data-spotlight] {
    position: relative;
    overflow: hidden;
}

[data-spotlight]::after {
    content: "";
    position: absolute;
    inset: 0;
    background: radial-gradient(
        240px circle at var(--mx, 50%) var(--my, 50%),
        rgba(143, 7, 9, 0.07),
        transparent 65%
    );
    opacity: 0;
    transition: opacity 350ms var(--ease-out);
    pointer-events: none;
}

[data-spotlight]:hover::after {
    opacity: 1;
}

/* Resource link cards (integration pages) */
.resource-link {
    position: relative;
    display: block;
    padding: var(--space-md);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    margin-bottom: var(--space-md);
    overflow: hidden;
    transition: border-color 300ms var(--ease-out), transform 300ms var(--ease-out),
        box-shadow 300ms var(--ease-out);
}

.resource-link::after {
    content: "";
    position: absolute;
    inset: 0;
    background: radial-gradient(
        220px circle at var(--mx, 50%) var(--my, 50%),
        rgba(143, 7, 9, 0.06),
        transparent 65%
    );
    opacity: 0;
    transition: opacity 350ms var(--ease-out);
    pointer-events: none;
}

.resource-link:hover,
.resource-link:focus {
    border-color: var(--color-border-hover);
    box-shadow: 0 16px 40px rgba(33, 36, 32, 0.08);
}

.resource-link:hover::after {
    opacity: 1;
}

.resource-link h3 {
    font-size: 1.1rem;
    margin-bottom: var(--space-xs);
}

.resource-link p {
    opacity: 0.7;
    font-size: 0.9rem;
}

/* ===================================
   REVEAL SYSTEM
   .fade-up is the legacy hook (kept everywhere);
   [data-reveal] is the v2 hook. motion.js adds .is-visible.
   =================================== */

.fade-up,
[data-reveal] {
    opacity: 0;
    transform: translateY(14px);
    transition: opacity 650ms var(--ease-expo), transform 650ms var(--ease-expo);
}

[data-reveal="left"] {
    transform: translateX(-20px);
}

[data-reveal="right"] {
    transform: translateX(20px);
}

[data-reveal="scale"] {
    transform: scale(0.97);
}

.fade-up.is-visible,
[data-reveal].is-visible {
    opacity: 1;
    transform: none;
}

/* No-JS safety: if motion.js never runs, content stays visible */
.no-motion .fade-up,
.no-motion [data-reveal] {
    opacity: 1;
    transform: none;
    filter: none;
}

/* Word-mask headline reveal: motion.js wraps words in .w > .wi */
[data-split] .w {
    display: inline-block;
    overflow: hidden;
    vertical-align: bottom;
    padding-bottom: 0.08em;
    margin-bottom: -0.08em;
}

[data-split] .wi {
    display: inline-block;
    transform: translateY(110%);
    transition: transform 750ms var(--ease-expo);
}

[data-split].is-visible .wi {
    transform: translateY(0);
}

/* Headlines marked for splitting are NOT hidden before JS runs;
   only the inner spans animate, so no-JS renders normal text. */

/* Stagger helpers (delays also set inline by motion.js for arbitrary counts) */
.hero-stagger > .fade-up:nth-child(1) { transition-delay: 0s; }
.hero-stagger > .fade-up:nth-child(2) { transition-delay: 0.07s; }
.hero-stagger > .fade-up:nth-child(3) { transition-delay: 0.14s; }
.hero-stagger > .fade-up:nth-child(4) { transition-delay: 0.21s; }
.hero-stagger > .fade-up:nth-child(5) { transition-delay: 0.28s; }

.fade-up-stagger > .fade-up:nth-child(1) { transition-delay: 0s; }
.fade-up-stagger > .fade-up:nth-child(2) { transition-delay: 0.07s; }
.fade-up-stagger > .fade-up:nth-child(3) { transition-delay: 0.14s; }
.fade-up-stagger > .fade-up:nth-child(4) { transition-delay: 0.21s; }
.fade-up-stagger > .fade-up:nth-child(5) { transition-delay: 0.28s; }
.fade-up-stagger > .fade-up:nth-child(6) { transition-delay: 0.35s; }

.steps .step.fade-up:nth-child(1) { transition-delay: 0s; }
.steps .step.fade-up:nth-child(2) { transition-delay: 0.08s; }
.steps .step.fade-up:nth-child(3) { transition-delay: 0.16s; }
.steps .step.fade-up:nth-child(4) { transition-delay: 0.24s; }

.performance-grid .performance-item.fade-up:nth-child(1) { transition-delay: 0s; }
.performance-grid .performance-item.fade-up:nth-child(2) { transition-delay: 0.08s; }
.performance-grid .performance-item.fade-up:nth-child(3) { transition-delay: 0.16s; }

.layers-grid .layer.fade-up:nth-child(1) { transition-delay: 0s; }
.layers-grid .layer.fade-up:nth-child(2) { transition-delay: 0.08s; }
.layers-grid .layer.fade-up:nth-child(3) { transition-delay: 0.16s; }

/* ===================================
   TILT + GLOW (product windows, motion.js drives --rx/--ry)
   =================================== */

[data-tilt] {
    transform: perspective(1100px) rotateX(var(--rx, 0deg)) rotateY(var(--ry, 0deg));
    transition: transform 350ms var(--ease-out);
    transform-style: preserve-3d;
}

.glow-anchor {
    position: relative;
}

.glow-anchor::before {
    content: "";
    position: absolute;
    inset: -8% -6%;
    background: radial-gradient(
        60% 55% at 50% 45%,
        rgba(143, 7, 9, 0.22),
        transparent 70%
    );
    filter: blur(28px);
    z-index: -1;
    pointer-events: none;
}

/* ===================================
   RESPONSIVE
   =================================== */

@media (max-width: 1024px) {
    .nav-links {
        display: none;
    }

    .nav-menu-btn {
        display: block;
    }

    /* Clear the fixed menu button */
    .nav-actions {
        margin-right: 52px;
    }

    .feature-content {
        grid-template-columns: 1fr;
        gap: var(--space-lg);
    }

    .performance-grid {
        grid-template-columns: repeat(3, 1fr);
        gap: var(--space-md);
    }

    .steps {
        grid-template-columns: repeat(2, 1fr);
        gap: 0;
    }

    .step {
        padding: var(--space-md) var(--space-md) var(--space-sm) var(--space-md);
    }

    .step:not(:first-child) {
        border-left: none;
    }

    .step:nth-child(2) {
        border-left: 1px solid rgba(33, 36, 32, 0.12);
    }

    .step:nth-child(3),
    .step:nth-child(4) {
        border-top: 1px solid rgba(33, 36, 32, 0.12);
    }

    .step:nth-child(4) {
        border-left: 1px solid rgba(33, 36, 32, 0.12);
    }

    .cta-content {
        grid-template-columns: 1fr;
    }

    .footer-content {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 768px) {
    :root {
        --container-padding: 1.5rem;
    }

    .cta-actions {
        flex-direction: column;
        align-items: flex-start;
        width: 100%;
    }

    .cta-actions .btn-primary,
    .cta-actions .btn-secondary {
        width: 100%;
        max-width: 300px;
        text-align: center;
    }

    .nav-container {
        padding: var(--space-sm) var(--container-padding);
    }

    .footer-links {
        grid-template-columns: repeat(2, 1fr);
    }

    .problem {
        padding: var(--space-xl) var(--container-padding);
    }

    .feature {
        padding: var(--space-xl) var(--container-padding);
    }

    .performance {
        padding: var(--space-xl) var(--container-padding);
    }

    .how-it-works {
        padding: var(--space-xl) var(--container-padding);
    }

    .cta {
        padding: var(--space-xl) var(--container-padding);
    }

    .footer {
        padding: var(--space-lg) var(--container-padding) var(--space-md);
    }

    .problem-text h2,
    .feature-text h2,
    .performance-content h2,
    .how-content h2,
    .cta-content h2 {
        font-size: 2rem;
    }

    .performance-grid {
        grid-template-columns: 1fr;
        gap: var(--space-md);
    }

    .performance-item {
        padding-left: 0;
    }

    .performance-item:not(:first-child) {
        border-left: none;
        border-top: 1px solid rgba(241, 238, 231, 0.15);
        padding-top: var(--space-md);
    }

    .performance-number {
        font-size: 2.25rem;
    }

    .performance-content h2,
    .how-content h2 {
        margin-bottom: var(--space-lg);
    }

    .steps {
        grid-template-columns: 1fr;
    }

    .step {
        padding: var(--space-sm) 0;
    }

    .step:hover {
        background-color: transparent;
    }

    .step:not(:first-child) {
        border-left: none;
        border-top: 1px solid rgba(33, 36, 32, 0.12);
    }

    .marquee-item {
        font-size: 0.75rem;
        padding: 0 1.1rem;
    }

    .marquee-item::after {
        margin-left: 2.2rem;
    }
}

@media (max-width: 480px) {
    .footer-links {
        grid-template-columns: 1fr;
    }

    .nav-actions .btn-primary {
        padding: 0.6rem 1rem;
        font-size: 0.85rem;
        white-space: nowrap;
    }
}

/* ===================================
   HOVER TRANSFORMS (pointer devices only)
   =================================== */

@media (hover: hover) and (pointer: fine) {
    .btn-primary:hover {
        transform: translateY(-2px);
    }

    .btn-secondary:hover {
        transform: translateY(-2px);
    }

    .card:hover {
        transform: translateY(-3px);
    }

    .card--dark:hover {
        transform: translateY(-3px);
    }

    .resource-link:hover {
        transform: translateY(-2px);
    }

    .footer-column a:hover {
        transform: translateX(4px);
    }

    .footer-newsletter input[type="submit"]:hover {
        transform: translateY(-1px);
    }
}

/* ===================================
   REDUCED MOTION
   =================================== */

@media (prefers-reduced-motion: reduce) {
    *, *::before, *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }

    .fade-up,
    [data-reveal] {
        opacity: 1;
        transform: none;
        filter: none;
    }

    [data-split] .wi {
        transform: none;
    }

    .marquee-track {
        animation: none;
        flex-wrap: wrap;
    }

    [data-tilt] {
        transform: none;
    }
}