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

/* ── Font Faces ────────────────────────────────────────── */
@font-face {
    font-family: 'Martina Plantijn';
    font-weight: 300;
    font-style: normal;
    src: url('Test Martina Plantijn/TestMartinaPlantijn-Light.otf') format('opentype');
}

@font-face {
    font-family: 'Martina Plantijn';
    font-weight: 300;
    font-style: italic;
    src: url('Test Martina Plantijn/TestMartinaPlantijn-LightItalic.otf') format('opentype');
}

@font-face {
    font-family: 'Martina Plantijn';
    font-weight: 400;
    font-style: normal;
    src: url('Test Martina Plantijn/TestMartinaPlantijn-Regular.otf') format('opentype');
}

@font-face {
    font-family: 'Martina Plantijn';
    font-weight: 900;
    font-style: normal;
    src: url('Test Martina Plantijn/TestMartinaPlantijn-Black.otf') format('opentype');
}

@font-face {
    font-family: 'Sohne';
    font-weight: 200;
    font-style: normal;
    src: url('Soehne Test/SoehneTest-Extraleicht.otf') format('opentype');
}

@font-face {
    font-family: 'Sohne';
    font-weight: 300;
    font-style: normal;
    src: url('Soehne Test/SoehneTest-Leicht.otf') format('opentype');
}

@font-face {
    font-family: 'Sohne';
    font-weight: 600;
    font-style: normal;
    src: url('Soehne Test/SoehneTest-Kräftig.otf') format('opentype');
}

@font-face {
    font-family: 'Sohne';
    font-weight: 700;
    font-style: normal;
    src: url('Soehne Test/SoehneTest-Dreiviertelfett.otf') format('opentype');
}

b,
strong {
    font-family: var(--ff-sans);
    font-weight: 700;
}

/* ── Custom Properties ─────────────────────────────────── */
:root {
    --col-white: #ffffff;
    --col-black: #000000;
    --col-accent: #ccfe00;
    --col-muted: rgba(0, 0, 0, 0.6);
    --col-muted-inv: rgba(255, 255, 255, 0.6);

    --ff-serif: 'Martina Plantijn', 'Georgia', serif;
    --ff-sans: 'Sohne', 'Helvetica Neue', sans-serif;

    --fs-hero: clamp(2.8rem, 5.2vw, 6rem);
    /* -20%: ~120px -> ~96px */
    --fs-hero-sm: clamp(2.5rem, 4.5vw, 5.25rem);
    /* -30%: explicitly for the 3 middle slides */
    --fs-h2: clamp(1.6rem, 3.33vw, 3.6rem);
    /* -20%: 72px -> ~57px */
    --fs-h3: clamp(1.1rem, 1.3vw, 1.4rem);
    /* -20%: 28px -> ~22px */
    --fs-body: clamp(0.75rem, 1.11vw, 1.2rem);
    /* -20%: 24px -> ~19px */
    --fs-body-sm: clamp(0.7rem, 0.833vw, 0.9rem);
    /* -20%: 18px -> ~14px */
    --fs-caption: clamp(0.6rem, 0.666vw, 0.72rem);
    /* -20%: ~14px -> ~11px */
    --fs-label: clamp(0.8rem, 1vw, 1.08rem);
    /* -20%: ~22px -> ~17px */

    --content-max: 1624px;

    /* OpenAI-derived vertical rhythm tokens (8px grid) */
    --sp-xs: 8px;
    --sp-sm: 16px;
    --sp-md: 32px;
    --sp-lg: 48px;
    --sp-xl: 64px;
    --sp-2xl: 120px;
}

/* ── Body ──────────────────────────────────────────────── */
html {
    scroll-behavior: smooth;
}

body {
    background-color: transparent;
    color: var(--col-black);
    font-family: var(--ff-sans);
    font-weight: 300;
    line-height: 1.3;
    overflow-x: hidden;
}

/* ── Header ────────────────────────────────────────────── */
.header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    padding: var(--sp-sm) 56px;
    display: flex;
    justify-content: center;
    pointer-events: none;
}

.header__inner {
    width: 100%;
    max-width: var(--content-max);
    display: flex;
    justify-content: space-between;
    align-items: center;
    background: linear-gradient(135deg, rgba(255, 255, 255, 0.6) 0%, rgba(255, 255, 255, 0.2) 100%);
    backdrop-filter: blur(24px) saturate(150%);
    -webkit-backdrop-filter: blur(24px) saturate(150%);
    border-radius: 100px;
    padding: 8px 12px 8px 32px;
    border: 1px solid rgba(255, 255, 255, 0.5);
    box-shadow:
        0 8px 32px rgba(0, 0, 0, 0.03),
        inset 0 1px 1px rgba(255, 255, 255, 0.8);
    transition: background 0.6s linear, border-color 0.6s linear, box-shadow 0.6s linear;
    pointer-events: auto;
}

body.is-dark-slide .header__inner {
    background: linear-gradient(135deg, rgba(68, 72, 79, 0.8) 0%, rgba(68, 72, 79, 0.4) 100%);
    border-color: rgba(255, 255, 255, 0.1);
    box-shadow: 0 4px 24px rgba(0, 0, 0, 0.2);
    transition: background 0.6s linear, border-color 0.6s linear, box-shadow 0.6s linear;
}

.header__logo {
    display: flex;
    align-items: center;
}

.header__logo img {
    height: 48px;
    width: auto;
    display: block;
    transition: filter 0.6s linear;
}

body.is-dark-slide .header__logo img {
    filter: grayscale(1) brightness(10);
    -webkit-filter: grayscale(1) brightness(10);
}

/* Invert removed on logo per user request */

.header__nav {
    display: flex;
    align-items: center;
    gap: var(--sp-md);
}

.header__btn {
    display: inline-block;
    font-family: var(--ff-sans);
    font-weight: 300;
    font-size: var(--fs-caption);
    color: var(--col-black);
    text-decoration: none;
    background: rgba(26, 43, 72, 0.05);
    border-radius: 100px;
    padding: 8px 16px;
    box-shadow: inset 2px 2px 4px rgba(255, 255, 255, 0.4), inset -1px -1px 3px rgba(26, 43, 72, 0.05);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    transition: transform 0.2s var(--ease-out-cubic), background 0.2s var(--ease-out-cubic), box-shadow 0.2s var(--ease-out-cubic), color 0.6s linear;
}

body.is-dark-slide .header__btn {
    color: var(--col-white);
    background: rgba(255, 255, 255, 0.05);
    box-shadow: inset 2px 2px 4px rgba(255, 255, 255, 0.05), inset -1px -1px 3px rgba(0, 0, 0, 0.2);
}

.header__link {
    font-family: var(--ff-sans);
    font-weight: 400;
    font-size: var(--fs-caption);
    color: var(--col-black);
    text-decoration: none;
    opacity: 0.7;
    transition: opacity var(--dur-fast) var(--ease-out-cubic);
}

.header__link:hover {
    opacity: 1;
}

/* ── Interactive Waitlist Form ─────────────────────────── */
.waitlist-form {
    position: relative;
    display: inline-flex;
}

.waitlist-form__inner {
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
    transition: width 0.6s var(--ease-curve-d), padding 0.6s var(--ease-curve-d);
    box-sizing: border-box;
}

/* Base Idle State mimics `.cta` */
.waitlist-form.is-idle .waitlist-form__inner {
    padding: 14px 60px 16px;
    cursor: pointer;
}

.waitlist-form.is-idle.waitlist-form--sm .waitlist-form__inner {
    padding: 10px 24px 12px;
}

/* Active State expands to a pill input */
.waitlist-form.is-active .waitlist-form__inner {
    width: 460px;
    padding: 6px;
    /* The button behind acts as a thin border */
    gap: 8px;
    /* space between input and arrow */
    cursor: text;
}

.waitlist-form.is-active.waitlist-form--sm .waitlist-form__inner {
    width: 320px;
    padding: 4px;
    /* Thin border for the small header one */
    gap: 4px;
}

.waitlist-form__input {
    flex-grow: 1;
    background: transparent;
    border: none;
    outline: none;
    font-family: var(--ff-sans);
    font-size: var(--fs-body-sm);
    color: inherit;
    opacity: 0;
    width: 0;
    pointer-events: none;
    transition: opacity 0.2s var(--ease-out-cubic), background-color 0.3s ease, border-radius 0.3s ease;
    border-radius: 100px;
    height: 100%;
}

.waitlist-form--sm .waitlist-form__input {
    font-size: var(--fs-caption);
}

.waitlist-form.is-active .waitlist-form__input {
    opacity: 1;
    width: auto;
    pointer-events: auto;
    background: var(--col-white);
    color: var(--col-black);
    padding: 16px 24px;
    transition: opacity 0.4s var(--ease-out-cubic) 0.2s, background-color 0.3s ease, border-radius 0.3s ease;
}

.waitlist-form.is-active.waitlist-form--sm .waitlist-form__input {
    padding: 10px 16px;
}

.waitlist-form__input::placeholder {
    color: currentColor;
    opacity: 0.5;
}

.waitlist-form__btn {
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
    background: transparent;
    border: none;
    color: inherit;
    font-family: var(--ff-sans);
    font-size: var(--fs-body-sm);
    font-weight: 300;
    cursor: pointer;
    white-space: nowrap;
}

.waitlist-form--sm .waitlist-form__btn {
    font-size: var(--fs-caption);
}

.waitlist-form.is-active .waitlist-form__btn {
    background: transparent !important;
    /* Transparent bg on the arrow button */
    color: inherit;
    /* Matches the text color of the original button/border */
    border-radius: 50%;
    width: 56px;
    height: 56px;
    flex-shrink: 0;
    transition: color 0.3s;
}

.waitlist-form.is-active.waitlist-form--sm .waitlist-form__btn {
    width: 36px;
    height: 36px;
}

.waitlist-form--light.is-active .waitlist-form__btn {
    color: var(--col-white);
}

.waitlist-form--light .waitlist-form__arrow {
    filter: none;
}

.waitlist-form__text {
    transition: opacity 0.4s var(--ease-out-cubic) 0.3s, transform 0.6s var(--ease-curve-d) 0.2s;
}

.waitlist-form.is-active .waitlist-form__text {
    opacity: 0;
    transform: translateX(-10px);
    position: absolute;
    pointer-events: none;
    transition: opacity 0.2s var(--ease-out-cubic), transform 0.3s var(--ease-curve-d);
}

.waitlist-form__arrow {
    position: absolute;
    opacity: 0;
    transform: translateX(10px) scale(0.8);
    transition: opacity 0.2s var(--ease-out-cubic), transform 0.4s var(--ease-curve-d);
    height: 0.9em;
    /* height relative to parent button font-size */
    width: auto;
    object-fit: contain;
    filter: invert(1);
}

.waitlist-form.is-active .waitlist-form__arrow {
    opacity: 1;
    transform: translateX(0) scale(1);
    position: relative;
    transition: opacity 0.4s var(--ease-out-cubic) 0.2s, transform 0.6s var(--ease-curve-d) 0.1s;
}

.bg-transition-target {
    background-color: transparent;
    width: 100%;
    transition: color 0.6s linear;
    position: relative;
    isolation: isolate;
}

.bg-transition-target::before {
    content: '';
    position: absolute;
    inset: 0;
    background-color: #ffffff;
    z-index: -1;
    pointer-events: none;
}

.bg-transition-target::after {
    content: '';
    position: absolute;
    inset: 0;
    background-color: #44484f;
    z-index: -1;
    pointer-events: none;
    opacity: 0;
    transition: opacity 0.6s linear;
}

body.is-dark-slide .bg-transition-target::after {
    opacity: 1;
}

body.is-dark-slide .bg-transition-target {
    color: var(--col-white);
}

body.is-dark-slide .product {
    background-color: #44484f;
}

body.is-dark-slide .product::before {
    opacity: 0;
}

body.is-dark-slide .bg-transition-target .pill-label__text {
    color: var(--col-muted-inv);
}

.bg-transition-target.bg-grey {
    background-color: #7b868d;
}

/* ── Fixed Background Video ────────────────────────────── */
.bg-video {
    position: fixed;
    inset: 0;
    width: 100%;
    height: 100vh;
    object-fit: cover;
    z-index: -2;
    pointer-events: none;
    opacity: 0.8;
}

/* ── Section Defaults ──────────────────────────────────── */
.section {
    position: relative;
    width: 100%;
    display: flex;
    flex-direction: column;
    align-items: center;
}

.section--transparent {
    background-color: transparent;
    z-index: 1;
}

/* ── HERO ──────────────────────────────────────────────── */
.hero {
    height: 1117px;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: var(--sp-xl);
    padding: var(--sp-2xl) 56px;
    text-align: center;
}

.hero::before {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(180deg, rgba(255, 255, 255, 1) 0%, rgba(255, 255, 255, 0.95) 50%, rgba(255, 255, 255, 0.8) 70%, rgba(255, 255, 255, 0.6) 80%, rgba(255, 255, 255, 0) 100%);
    z-index: -1;
    pointer-events: none;
}

.hero__headline {
    font-family: var(--ff-serif);
    font-weight: 300;
    font-size: var(--fs-hero);
    line-height: 1.05;
    width: 100%;
    max-width: 20ch;
    margin-inline: auto;
    letter-spacing: -0.02em;
}

.hero__subtitle {
    font-family: var(--ff-sans);
    font-weight: 300;
    font-size: clamp(1.25rem, 1.8vw, 1.875rem);
    color: var(--col-muted);
    line-height: 1.4;
    max-width: 45ch;
    margin-inline: auto;
}

.hero__subtitle+.hero__subtitle {
    margin-top: 0.5rem;
}

.hero__scroll {
    display: flex;
    justify-content: center;
    align-items: center;
}

.hero__scroll-arrow {
    height: 15px;
    /* Matched to waitlist button arrow size */
    width: auto;
    object-fit: contain;
    filter: invert(1);
    transform: rotate(90deg);
}

/* ── PRODUCT ───────────────────────────────────────────── */
.product {
    padding: 0;
    isolation: isolate;
    background-color: rgba(255, 255, 255, 0);
    transition: background-color 0.6s linear;
}

.product::before {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(180deg, rgba(255, 255, 255, 0) 0%, rgba(255, 255, 255, 0.5) 20%, rgba(255, 255, 255, 0.8) 40%, rgba(255, 255, 255, 1) 100%);
    z-index: 0;
    pointer-events: none;
}

.product::after {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(180deg, rgba(68, 72, 79, 0) 0%, rgba(68, 72, 79, 0) 70%, rgba(68, 72, 79, 0.9) 90%, #44484f 100%);
    z-index: 1;
    pointer-events: none;
    opacity: 0;
    transition: opacity 0.6s linear;
}

body.is-dark-slide .product::after {
    opacity: 1;
}

.product__wrap {
    position: relative;
    z-index: -1;
    width: 100%;
    padding: var(--sp-2xl) 0 0;
    display: flex;
    flex-direction: column;
    align-items: center;
}

.product__video-visible {
    width: 100%;
    padding-bottom: 0px;
    padding-top: 128px;
}

.product__dashboard-container {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 4px;
    width: 100vw;
    height: 270px;
    position: relative;
    left: 50%;
    transform: translateX(-50%);
    overflow: hidden;
    opacity: 0.95;
}

.gaco-instance {
    height: 100%;
    flex-shrink: 0;
    opacity: 0;
    transform: translateY(24px) scale(0.98);
    will-change: transform, opacity;
    display: flex;
    align-items: center;
}

.gaco-instance svg {
    height: 100%;
    width: auto;
    display: block;
}

/* GSAP will animate stroke-dashoffset on these, then fade the fill in */
.gaco-path {
    fill: transparent;
    stroke: #000000;
    stroke-width: 1px;
}

.product__content {
    background-color: transparent;
    position: relative;
    z-index: 1;
    width: 100%;
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: 0 0 100px;
    /* Reduced since the grid handles spacing */
    margin-top: -10px;
    /* Overlap seamless */
}

/* Inner container to match Figma's 1624 width */
.product__inner {
    width: 100%;
    max-width: var(--content-max);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--sp-md);
    padding: var(--sp-xl) 52px var(--sp-2xl);
}

.product__headline {
    font-family: var(--ff-serif);
    font-weight: 300;
    font-size: var(--fs-h2);
    line-height: 1.1;
    text-align: center;
    width: 100%;
}

.product__subtitle {
    font-family: var(--ff-sans);
    font-weight: 300;
    font-size: var(--fs-body);
    line-height: 1.3;
    color: var(--col-muted);
    text-align: center;
    max-width: 60ch;
    margin-inline: auto;
}

/* ── Features ───────────────────────────────────── */
.features-spacer {
    height: 12rem;
    width: 100px;
    margin: 0 auto;
}

.features {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 24px;
    width: 100%;
    padding: 10px;
}

.feature-card {
    padding: 32px;
    border-radius: 16px;
    display: flex;
    flex-direction: column;
    gap: 18px;
    position: relative;
    overflow: hidden;
    background: #ebebeb;
    transition: transform 0.3s var(--ease-out-cubic);
}

.feature-card:hover {
    transform: translateY(-3px) scale(1.015);
}

.feature-card__title {
    font-family: var(--ff-serif);
    font-weight: 300;
    font-size: var(--fs-h3);
    line-height: 1.2;
    display: block;
    padding-bottom: 12px;
    margin-bottom: 4px;
    border-bottom: 4px solid transparent;
}

.feature-card--lime .feature-card__title {
    border-bottom-color: var(--col-accent);
}

.feature-card--orange .feature-card__title {
    border-bottom-color: #ff4c00;
}

.feature-card--blue .feature-card__title {
    border-bottom-color: #02befd;
}

.feature-card__desc {
    font-family: var(--ff-sans);
    font-weight: 300;
    font-size: var(--fs-body-sm);
    line-height: 1;
}

/* ── CTA Button ────────────────────────────────────────── */
.cta {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 14px 60px 16px;
    border-radius: 100px;
    border: none;
    cursor: pointer;
    font-family: var(--ff-sans);
    font-weight: 300;
    font-size: var(--fs-body-sm);
    text-align: center;
    text-decoration: none;
    position: relative;
    overflow: hidden;
    backdrop-filter: blur(12.5px);
    -webkit-backdrop-filter: blur(12.5px);
    background:
        linear-gradient(105.24deg, rgba(74, 109, 149, 0.12) 0%, rgba(26, 43, 72, 0.05) 100%),
        linear-gradient(90deg, rgba(255, 255, 255, 0.05) 0%, rgba(255, 255, 255, 0.05) 100%);
    color: var(--col-black);
    transition: transform 0.3s var(--ease-out-cubic), background 0.3s var(--ease-out-cubic), box-shadow 0.3s var(--ease-out-cubic), color 0.6s linear;
}

body.is-dark-slide .header .cta {
    color: var(--col-white);
}

.cta::after {
    content: '';
    position: absolute;
    inset: 0;
    border-radius: inherit;
    pointer-events: none;
    box-shadow:
        inset 1px 1px 3px rgba(255, 255, 255, 0.25),
        inset -2px -2px 6px rgba(26, 43, 72, 0.15),
        inset 6px 6px 14px rgba(26, 43, 72, 0.05);
}

/* OpenAI Hover states */
.cta:hover {
    transform: translateY(-2px) scale(1.02);
    background:
        linear-gradient(105.24deg, rgba(74, 109, 149, 0.2) 0%, rgba(26, 43, 72, 0.1) 100%),
        linear-gradient(90deg, rgba(255, 255, 255, 0.08) 0%, rgba(255, 255, 255, 0.08) 100%);
}

.cta:active {
    transform: translateY(0) scale(0.98);
}

.cta--light {
    color: var(--col-white);
    font-size: var(--fs-body);
}

/* ── UDG Section ───────────────────────────────────────── */
.udg {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: var(--sp-2xl) 56px;
    text-align: center;
}

.pill-label {
    display: inline-flex;
    align-items: center;
    gap: 12px;
    padding: var(--sp-xs) var(--sp-xs);
    margin-bottom: var(--sp-sm);
}

.pill-label__dot {
    width: 24px;
    height: 24px;
    border-radius: 50%;
}

.pill-label__dot--orange {
    background-color: #ff4c00;
}

.pill-label__dot--yellow {
    background-color: #ccfe00;
}

.pill-label__text {
    font-family: var(--ff-sans);
    font-weight: 300;
    font-size: var(--fs-body-sm);
    color: var(--col-muted);
}

.udg__headline {
    font-family: var(--ff-serif);
    font-weight: 300;
    font-size: var(--fs-hero-sm);
    line-height: 1.1;
    margin-bottom: var(--sp-md);
}

.udg__headline em {
    font-style: italic;
}

.udg__body {
    font-family: var(--ff-sans);
    font-weight: 300;
    font-size: var(--fs-body);
    line-height: 1.5;
    max-width: 55ch;
    margin-inline: auto;
}

.udg__body+.udg__body {
    margin-top: var(--sp-sm);
}

.udg__accent {
    font-family: var(--ff-serif);
    font-weight: 900;
    font-size: clamp(1.4rem, 2.33vw, 2.1rem);
    line-height: 1.3;
    color: #ff4c00;
    max-width: 40ch;
    margin-top: var(--sp-sm);
    margin-inline: auto;
}

/* ── Blue Section ───────────────────────────────────────── */
.blue-section {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 0 56px;
    text-align: center;
}

.blue-section__headline {
    font-family: var(--ff-serif);
    font-weight: 300;
    font-size: var(--fs-hero-sm);
    line-height: 1.1;
    max-width: 25ch;
    margin-inline: auto;
    margin-bottom: var(--sp-md);
}

.blue-section__body {
    font-family: var(--ff-sans);
    font-weight: 300;
    font-size: var(--fs-body);
    line-height: 1.5;
    max-width: 60ch;
    margin-inline: auto;
}

.blue-section__body+.blue-section__body {
    margin-top: var(--sp-md);
}

.blue-section__accent {
    font-family: var(--ff-serif);
    font-weight: 900;
    font-size: clamp(1.4rem, 2.33vw, 2.1rem);
    line-height: 1.3;
    color: #02befd;
    max-width: 40ch;
    margin-top: var(--sp-sm);
    margin-inline: auto;
}

/* ── 70% Section ───────────────────────────────────────── */
.seventy {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 0 56px;
    text-align: center;
}

.seventy .pill-label__text {
    color: var(--col-muted);
}

.seventy__headline {
    font-family: var(--ff-serif);
    font-weight: 300;
    font-size: var(--fs-hero-sm);
    line-height: 1.1;
    max-width: 25ch;
    margin-inline: auto;
    margin-bottom: var(--sp-md);
}

.seventy__body {
    font-family: var(--ff-sans);
    font-weight: 300;
    font-size: var(--fs-body);
    line-height: 1.5;
    max-width: 60ch;
    margin-inline: auto;
    margin-bottom: var(--sp-md);
}

.seventy__accent {
    font-family: var(--ff-serif);
    font-weight: 900;
    font-size: clamp(1.6rem, 2.66vw, 2.4rem);
    line-height: 1.3;
    color: var(--col-accent);
    max-width: 40ch;
    margin-top: var(--sp-sm);
    margin-inline: auto;
}

/* ── WHY Section ───────────────────────────────────────── */
.why {
    position: relative;
    background-color: transparent;
    padding-top: 100px;
    display: flex;
    flex-direction: column;
    align-items: center;
    transition: color 0.6s linear;
}

body.is-dark-slide .why {
    color: var(--col-white);
}

.why::before {
    content: '';
    position: absolute;
    top: -2px;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(180deg, #ffffff 0%, #ffffff 50%, rgba(255, 255, 255, 0.8) 70%, rgba(255, 255, 255, 0) 100%);
    z-index: -1;
    pointer-events: none;
}

.why::after {
    content: '';
    position: absolute;
    top: -2px;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(180deg, #44484f 0%, #44484f 50%, rgba(68, 72, 79, 0.8) 70%, rgba(68, 72, 79, 0) 100%);
    z-index: -1;
    pointer-events: none;
    opacity: 0;
    transition: opacity 0.6s linear;
}

body.is-dark-slide .why::after {
    opacity: 1;
}

.why__inner {
    display: flex;
    flex-direction: column;
    gap: var(--sp-lg);
    width: 100%;
    max-width: 820px;
    padding: var(--sp-xs);
    text-align: left;
}

.why__headline {
    font-family: var(--ff-serif);
    font-weight: 300;
    font-size: var(--fs-h2);
    line-height: 1.2;
    max-width: 25ch;
}

.why__body {
    font-family: var(--ff-sans);
    font-weight: 300;
    font-size: var(--fs-label);
    line-height: 1.4;
    max-width: 60ch;
}

.why__body p+p {
    margin-top: var(--sp-md);
}

.why__sig {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.why__sig-name {
    font-family: var(--ff-serif);
    font-weight: 300;
    font-style: italic;
    font-size: var(--fs-label);
}

.why__sig-title {
    font-family: var(--ff-sans);
    font-weight: 200;
    font-size: var(--fs-caption);
}

.why__drawing {
    width: 100vw;
    position: relative;
    left: 50%;
    transform: translateX(-50%);
    max-width: none;
    height: auto;
    min-height: 225px;
    opacity: 0.4;
    margin-top: -130px;
    overflow: hidden;
    -webkit-mask-image: linear-gradient(180deg, transparent 0%, black 50%);
    mask-image: linear-gradient(180deg, transparent 0%, black 50%);
}

.why__drawing svg {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
}

.why__drawing svg:nth-child(1) {
    position: relative;
    /* first one in flow to set dimensions */
}

.why__drawing svg:nth-child(2) {
    transform: translate(-1.5%, 3%) scale(1.03);
    opacity: 0.35;
}

.why__drawing svg:nth-child(3) {
    transform: translate(1%, -2%) scale(0.97);
    opacity: 0.25;
}

.why__drawing svg:nth-child(4) {
    transform: translate(-0.5%, 1.5%) scale(1.05);
    opacity: 0.20;
}

.why__drawing svg {
    width: 140%;
    height: auto;
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
}

.why__drawing path {
    fill: none;
    stroke: #000000;
    stroke-miterlimit: 10;
    transition: stroke 0.6s linear;
}

body.is-dark-slide .why__drawing path {
    stroke: #ffffff;
}

/* ── FOOTER CTA ────────────────────────────────────────── */
.footer-cta {
    height: 1117px;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: var(--sp-xl);
    text-align: center;
    padding: var(--sp-2xl) 56px;
    color: var(--col-white);
}

.footer-cta__headline {
    font-family: var(--ff-serif);
    font-weight: 300;
    font-size: var(--fs-hero);
    line-height: 1.2;
    max-width: 25ch;
    margin-inline: auto;
}

.footer-cta__headline p {
    margin: 0;
}

/* ── OpenAI Motion System ──────────────────────────────── */

/* Easing tokens */
:root {
    --ease-out-cubic: cubic-bezier(0.33, 1, 0.68, 1);
    --ease-curve-a: cubic-bezier(0.25, 0.1, 0.25, 1);
    --ease-curve-d: cubic-bezier(0.4, 0, 0.2, 1);
    --dur-fast: 200ms;
    --dur-medium: 400ms;
    --dur-slow: 600ms;
    --dur-stately: 800ms;
}

/* Base hidden state — all animated elements start here */
.reveal {
    opacity: 0;
    transform: translateY(24px);
    will-change: transform, opacity;
    transition:
        opacity var(--dur-slow) var(--ease-out-cubic),
        transform var(--dur-slow) var(--ease-out-cubic);
}

/* Visible state — applied by IntersectionObserver */
.reveal.is-visible {
    opacity: 1;
    transform: translateY(0);
}

/* Scale variant for cards and images */
.reveal--scale {
    transform: translateY(24px) scale(0.97);
}

.reveal--scale.is-visible {
    transform: translateY(0) scale(1);
}

/* Stagger delays for grouped children */
.reveal-stagger>.reveal:nth-child(1) {
    transition-delay: 0ms;
}

.reveal-stagger>.reveal:nth-child(2) {
    transition-delay: 100ms;
}

.reveal-stagger>.reveal:nth-child(3) {
    transition-delay: 200ms;
}

.reveal-stagger>.reveal:nth-child(4) {
    transition-delay: 300ms;
}

.reveal-stagger>.reveal:nth-child(5) {
    transition-delay: 400ms;
}

.reveal-stagger>.reveal:nth-child(6) {
    transition-delay: 500ms;
}

/* Hero gets a longer, more stately entrance */
.reveal--hero {
    opacity: 0;
    transform: translateY(32px);
    transition:
        opacity var(--dur-stately) var(--ease-out-cubic),
        transform var(--dur-stately) var(--ease-out-cubic);
}

.reveal--hero.is-visible {
    opacity: 1;
    transform: translateY(0);
}

/* Dashboard image fade-in */
.reveal--dashboard {
    opacity: 0;
    transform: scale(0.98);
    transition:
        opacity var(--dur-slow) var(--ease-curve-d),
        transform var(--dur-slow) var(--ease-curve-d);
    transition-delay: 200ms;
}

.reveal--dashboard.is-visible {
    opacity: 0.45;
    transform: scale(1);
}

/* Respect reduced motion preference */
@media (prefers-reduced-motion: reduce) {

    .reveal,
    .reveal--scale,
    .reveal--hero,
    .reveal--dashboard {
        opacity: 1;
        transform: none;
        transition: none;
    }
}

/* ── Responsive ────────────────────────────────────────── */

/* ── Tablet Landscape (≤ 1024px) ──────────────────────── */
@media (max-width: 1024px) {
    :root {
        --sp-2xl: 80px;
    }

    .header {
        padding: var(--sp-sm) 32px;
    }

    .header__inner {
        padding: 8px 10px 8px 24px;
    }

    .hero {
        height: auto;
        min-height: 100vh;
        padding: var(--sp-2xl) 40px;
    }

    .product__wrap {
        padding: 80px 24px 0;
    }

    .product__dashboard-container {
        height: 300px;
    }

    .product__inner {
        padding: var(--sp-xl) 40px var(--sp-2xl);
    }

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

    .udg {
        height: auto;
        min-height: 100vh;
        padding: var(--sp-2xl) 40px;
    }

    .seventy {
        padding: 0 40px;
    }

    .why {
        padding-top: 80px;
    }

    .why__inner {
        padding: var(--sp-xs) 40px;
    }

    .footer-cta {
        height: auto;
        min-height: 100vh;
        padding: var(--sp-2xl) 40px;
    }
}

/* ── Tablet Portrait (≤ 768px) ────────────────────────── */
@media (max-width: 768px) {
    :root {
        --sp-2xl: 64px;
        --sp-xl: 48px;
    }

    .header {
        padding: var(--sp-sm) 20px;
    }

    .header__inner {
        padding: 6px 8px 6px 20px;
    }

    .header__nav {
        gap: var(--sp-sm);
    }

    .header__nav .waitlist-form:first-child {
        display: none;
    }

    .hero {
        padding: var(--sp-2xl) 24px;
        gap: var(--sp-lg);
    }

    .product__wrap {
        padding: 60px 16px 0;
    }

    .product__dashboard-container {
        height: auto;
        min-height: 240px;
    }
    
    .gaco-instance {
        width: calc(50% - 2px);
        height: auto;
        flex-shrink: 0;
    }
    
    .gaco-instance svg {
        width: 100%;
        height: auto;
    }

    .product__inner {
        padding: var(--sp-lg) 24px var(--sp-2xl);
        gap: var(--sp-sm);
    }

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

    .feature-card {
        padding: 32px;
        border-radius: 12px;
        gap: 16px;
    }

    .cta {
        padding: 14px 48px 16px;
    }

    .waitlist-form.is-idle .waitlist-form__inner {
        padding: 14px 48px 16px;
    }

    .waitlist-form.is-active .waitlist-form__inner {
        width: 100%;
        max-width: 460px;
    }

    .waitlist-form.is-active.waitlist-form--sm .waitlist-form__inner {
        width: 100%;
        max-width: 320px;
    }

    .udg {
        padding: var(--sp-2xl) 24px;
    }

    .udg__headline {
        margin-bottom: var(--sp-sm);
    }

    .seventy {
        padding: 0 24px;
    }

    .seventy__headline {
        margin-bottom: var(--sp-sm);
    }

    .seventy__body {
        margin-bottom: var(--sp-sm);
    }

    .why {
        padding-top: 64px;
    }

    .why__inner {
        max-width: 100%;
        padding: var(--sp-xs) 24px;
        gap: var(--sp-md);
    }

    .why__drawing {
        height: 25vw;
        min-height: 175px;
    }

    .footer-cta {
        padding: var(--sp-2xl) 24px;
        gap: var(--sp-lg);
    }
}

/* ── Mobile (≤ 480px) ─────────────────────────────────── */
@media (max-width: 480px) {
    :root {
        --sp-2xl: 48px;
        --sp-xl: 32px;
        --sp-lg: 32px;
    }

    .header {
        padding: var(--sp-xs) 12px;
    }

    .header__inner {
        padding: 6px 6px 6px 16px;
        border-radius: 60px;
    }

    .header__logo img {
        height: 28px;
    }

    .header__nav {
        gap: 8px;
    }

    .waitlist-form.is-idle .waitlist-form__inner {
        padding: 10px 24px 12px;
    }

    .waitlist-form--sm .waitlist-form__btn {
        font-size: 0.64rem;
    }

    .waitlist-form.is-active .waitlist-form__inner {
        width: 100%;
        max-width: 100%;
        padding: 4px;
    }

    .waitlist-form.is-active.waitlist-form--sm .waitlist-form__inner {
        width: 100%;
        max-width: 100%;
        padding: 4px;
    }

    .waitlist-form.is-active .waitlist-form__input {
        padding: 10px 14px;
    }

    .waitlist-form.is-active .waitlist-form__btn {
        width: 40px;
        height: 40px;
    }

    .hero {
        padding: var(--sp-2xl) 16px;
        gap: var(--sp-md);
    }

    .hero__headline {
        max-width: 100%;
        line-height: 1.15;
    }

    .product__wrap {
        padding: 40px 0 0;
    }

    .product__dashboard-container {
        height: auto;
        min-height: 200px;
    }
    
    .gaco-instance {
        width: calc(50% - 2px);
        height: auto;
        flex-shrink: 0;
    }
    
    .gaco-instance svg {
        width: 100%;
        height: auto;
    }

    .product__inner {
        padding: var(--sp-md) 16px var(--sp-xl);
        gap: var(--sp-sm);
    }

    .product__subtitle {
        max-width: 100%;
    }

    .feature-card {
        padding: 24px;
        border-radius: 10px;
        gap: 12px;
    }

    .feature-card__desc {
        line-height: 1.3;
    }

    .cta {
        padding: 12px 32px 14px;
    }

    .waitlist-form.is-idle .waitlist-form__inner {
        padding: 12px 32px 14px;
    }

    .udg {
        padding: var(--sp-2xl) 16px;
    }

    .udg__headline {
        margin-bottom: var(--sp-xs);
    }

    .seventy {
        padding: var(--sp-2xl) 16px;
    }

    .seventy__headline {
        max-width: 100%;
        margin-bottom: var(--sp-xs);
    }

    .seventy__body {
        max-width: 100%;
        margin-bottom: var(--sp-xs);
    }

    .seventy__accent {
        max-width: 100%;
    }

    .why {
        padding-top: 48px;
    }

    .why__inner {
        padding: var(--sp-xs) 16px;
        gap: 24px;
    }

    .why__drawing {
        height: 30vw;
        min-height: 140px;
    }

    .footer-cta {
        padding: var(--sp-2xl) 16px;
        gap: var(--sp-md);
    }

    .footer-cta__headline {
        line-height: 1.2;
    }

    .pill-label {
        gap: 8px;
    }

    .pill-label__dot {
        width: 18px;
        height: 18px;
    }
}