/* =========================================
   1. DESIGN TOKENS (ROOT VARIABLES)
   ========================================= */
:root {
    /* Core Palette */
    --color-primary: #006875;
    --color-primary: oklch(41.606% 0.09651 211.92);

    --color-vector-black: #09090B;
    --color-vector-black: oklch(0.0902 0 0);

    --color-vector-white: rgb(250, 250, 250);
    --color-vector-border: rgb(229, 229, 229);

    --color-optimal-fit: #00BC7D;
    --color-optimal-fit: oklch(59% 0.11037 209.17);

    /* Semantic Surfaces */
    --surface-default: rgb(245, 250, 251);
    --surface-container: rgb(234, 240, 234);
    --surface-container-low: rgb(239, 244, 246);
    --surface-container-lowest: rgb(255, 255, 255);
    --surface-on: rgb(5, 18, 20);
    --surface-on-variant: rgb(61, 73, 75);

    /* Semantic Actions */
    --action-primary: #006875;
    --action-primary: oklch(41.606% 0.09651 211.92);

    --action-on-primary: rgb(250, 250, 250);

    /* Gradients */
    --color-vector-1: #615FFF;
    --color-vector-1: oklch(72.536% 0.11037 261.67);

    --color-vector-2: #00A6F4;
    --color-vector-2: oklch(72.536% 0.11037 229.17);

    --color-vector-3: #00BC7D;
    --color-vector-3: oklch(72.536% 0.11037 176.67);

    /* Gradient Fallbacks */
    --gradient-vector: linear-gradient(90deg, var(--color-vector-1) 0%, var(--color-vector-2) 50%, var(--color-vector-3) 100%);
    --gradient-vector: linear-gradient(90deg in oklch, var(--color-vector-1) 0%, var(--color-vector-2) 50%, var(--color-vector-3) 100%);

    /* Typography Families */
    --font-display: 'Manrope', sans-serif;
    --font-headline: 'Fraunces', serif;
    --font-label: 'Onest', sans-serif;

    /* Font Weights */
    --font-weight-light: 300;
    --font-weight-regular: 400;
    --font-weight-medium: 500;
    --font-weight-semibold: 600;
    --font-weight-bold: 700;
    --font-weight-black: 900;

    /* Font Sizes */
    --text-xs: 0.75rem;
    --text-sm: 0.875rem;
    --text-base: 1rem;
    --text-lg: 1.125rem;
    --text-xl: 1.25rem;
    --text-2xl: 1.5rem;
    --text-3xl: 1.875rem;
    --text-4xl: 2.5rem;
    --text-5xl: 3rem;
    --text-6xl: 3.75rem;
    --text-7xl: 4.5rem;
    --text-caption: 13px;
    --text-icon: 15rem;

    /* Radii */
    --radius-sm: 0.125rem;
    --radius-md: 0.25rem;
    --radius-lg: 0.5rem;
    --radius-xl: 0.75rem;
    --radius-2xl: 1rem;
    --radius-3xl: 1.5rem;

    /* Layout Constants */
    --max-w-4xl: 56rem;
    --max-w-7xl: 80rem;
    --max-w-2xl-screen: 1536px;
}

/* =========================================
   2. BASE RESET & DOCUMENT SETUP
   ========================================= */
*,
*::before,
*::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    scroll-behavior: smooth;
}

body {
    background-color: var(--surface-default);
    font-family: var(--font-display);
    color: var(--surface-on);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    overflow-x: hidden;
    max-width: 100%;
}

::selection {
    background: rgba(97, 95, 255, 0.15);
}

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

ul {
    list-style: none;
}

.material-symbols-sharp {
    font-variation-settings: 'FILL' 0, 'wght' 400, 'GRAD' 0, 'opsz' 48;
}

/* =========================================
   3. BEM BLOCKS & COMPONENTS
   ========================================= */

/* --- Visual Marker --- */
.visual-marker {
    height: 4px;
    width: 100%;
    position: sticky;
    top: 0;
    z-index: 60;
    background: var(--gradient-vector);
}

/* --- Header --- */
.header {
    padding-top: 40px;
    padding-bottom: 20px;
    position: sticky;
    top: 2px;
    background-color: rgba(250, 250, 250, 0.7);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    z-index: 50;
    border-bottom: 1px solid var(--color-vector-border);
}

@supports (color: oklch(0% 0 0)) {
    .header {
        background-color: oklch(98.511% 0.00011 271.152 / 0.7);
    }
}

.header__container {
    max-width: var(--max-w-7xl);
    margin: 0 auto;
    padding: 0 1.5rem;
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    gap: 1rem;
}

@media (max-width: 450px) {
    .header__container {
        width: 100%;
        max-width: 100vw;
        overflow: hidden;
        position: relative;
    }

    .header__container::after {
        content: '';
        position: absolute;
        top: 0;
        right: 0;
        bottom: 0;
        width: 3rem;
        background: linear-gradient(to right, rgba(250, 250, 250, 0), rgba(250, 250, 250, 1));
        pointer-events: none;
    }
}

@media (min-width: 451px) and (max-width: 767px) {
    .header__container {
        padding-left: 2rem;
        padding-right: 2rem;
    }
}

@media (min-width: 768px) {
    .header__container {
        flex-direction: row;
        justify-content: space-between;
        align-items: center;
        padding: 0 2rem;
    }
}

.header__brand {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.header__logo-mark {
    width: 2rem;
    height: 2px;
    background: var(--gradient-vector);
}

.header__logo-text {
    font-size: var(--text-caption);
    font-weight: var(--font-weight-semibold);
    letter-spacing: 0.2em;
    color: var(--color-vector-black);
    text-transform: uppercase;
}

.header__nav {
    display: flex;
    flex-wrap: nowrap;
    overflow-x: auto;
    gap: 1.5rem;
    width: 100%;
    padding-bottom: 0.5rem;
    -webkit-overflow-scrolling: touch;
    -ms-overflow-style: none;
    scrollbar-width: none;
}

.header__nav::-webkit-scrollbar {
    display: none;
}

@media (min-width: 451px) {
    .header__nav {
        flex-wrap: wrap;
        overflow-x: visible;
        width: auto;
        padding-bottom: 0;
    }
}

.header__link {
    font-size: var(--text-caption);
    font-weight: var(--font-weight-medium);
    color: var(--color-vector-black);
    transition: color 0.2s ease;
    border-radius: var(--radius-sm);
    white-space: nowrap;
    flex-shrink: 0;
}

.header__link:hover {
    color: var(--color-vector-1);
}

.header__link:focus-visible {
    outline: 2px solid var(--color-vector-1);
    outline-offset: 4px;
}

/* --- Hero Section --- */
.hero {
    max-width: var(--max-w-4xl);
    margin: 0 auto;
    padding: 4rem 1rem;
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
}

@media (min-width: 451px) {
    .hero {
        padding: 5rem 2rem;
    }
}

@media (min-width: 768px) {
    .hero {
        padding: 8rem 0;
    }
}

.hero__label {
    font-family: var(--font-label);
    font-size: var(--text-xs);
    font-weight: var(--font-weight-bold);
    letter-spacing: 0.2em;
    text-transform: uppercase;
    color: var(--color-primary);
    margin-bottom: 2rem;
    display: block;
}

.hero__label--production {
    display: none;
}

.hero__headline {
    font-family: var(--font-headline);
    font-size: 2.25rem;
    /* Mobile First */
    font-weight: var(--font-weight-medium);
    line-height: 1.1;
    margin-bottom: 5rem;
    max-width: 48rem;
    color: var(--color-vector-black);
}

@media (min-width: 451px) {
    .hero__headline {
        font-size: 3.5rem;
    }
}

@media (min-width: 768px) {
    .hero__headline {
        font-size: var(--text-7xl);
    }
}

.hero__subheadline {
    font-family: var(--font-display);
    font-size: 1.125rem;
    /* Mobile First */
    font-weight: var(--font-weight-regular);
    color: var(--surface-on-variant);
    font-style: italic;
    margin-bottom: 5rem;
    max-width: 40rem;
    line-height: 1.625;
}

@media (min-width: 451px) {
    .hero__subheadline {
        font-size: 1.25rem;
    }
}

@media (min-width: 768px) {
    .hero__subheadline {
        font-size: var(--text-xl);
    }
}

.hero__panel {
    background-color: var(--surface-container-low);
    padding: 1.5rem 1.25rem;
    border-radius: var(--radius-xl);
    max-width: 42rem;
}

@media (min-width: 451px) {
    .hero__panel {
        padding: 2rem;
    }
}

@media (min-width: 768px) {
    .hero__panel {
        padding: 3rem;
    }
}

.hero__panel-text {
    font-size: var(--text-lg);
    font-weight: var(--font-weight-regular);
    line-height: 1.625;
    color: var(--surface-on);
}

/* --- Alignment Section --- */
.alignment {
    padding: 4rem 1rem;
    background-color: var(--color-vector-white);
}

@media (min-width: 451px) {
    .alignment {
        padding: 5rem 2rem;
    }
}

@media (min-width: 768px) {
    .alignment {
        padding: 6rem 0;
    }
}

.alignment__container {
    max-width: var(--max-w-7xl);
    margin: 0 auto;
    padding: 0 1.5rem;
}

@media (min-width: 451px) and (max-width: 767px) {
    .alignment__container {
        padding-left: 2rem;
        padding-right: 2rem;
    }
}

.alignment__header {
    text-align: center;
    margin-bottom: 4rem;
}

.alignment__title {
    font-family: var(--font-label);
    font-size: var(--text-3xl);
    font-weight: var(--font-weight-bold);
    color: var(--color-vector-black);
}

.alignment__subtitle {
    color: var(--surface-on-variant);
    margin-top: 1rem;
}

.alignment__grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 3rem;
}

@media (min-width: 768px) {
    .alignment__grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 2rem;
    }
}

/* Card Component */
.card {
    position: relative;
    border-radius: var(--radius-lg);
    padding: 1.5rem 1.25rem;
    border-left: 1px solid var(--color-vector-border);
    border-right: 1px solid var(--color-vector-border);
    border-bottom: 1px solid var(--color-vector-border);
}

@media (min-width: 451px) {
    .card {
        padding: 2.5rem 2rem 2rem 2rem;
    }
}

.card--optimal {
    background-color: #ffffff;
    background-color: oklch(100% 0.00011 271.152);
    border-top: 4px solid var(--color-optimal-fit);
    box-shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
    box-shadow: 0 10px 15px -3px oklch(0% 0 0 / 0.1);
}

.card--incompatible {
    background-color: #F9FAFB;
    background-color: oklch(98.463% 0.00181 249.248);
    border-top: 4px solid #9CA3AF;
    border-top: 4px solid oklch(71.366% 0.01926 261.373);
}

.card__badge {
    position: absolute;
    top: -1rem;
    left: 2rem;
    padding: 0.25rem 1rem;
    border-radius: 9999px;
    font-size: var(--text-sm);
    font-weight: var(--font-weight-bold);
    letter-spacing: 0.025em;
    box-shadow: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    box-shadow: 0 1px 2px 0 oklch(0% 0 0 / 0.05);
    color: #ffffff;
    color: oklch(100% 0 0);
}

.card__badge--optimal {
    background-color: var(--color-optimal-fit);
}

.card__badge--incompatible {
    background-color: #4B5563;
    background-color: oklch(29.412% 0.01926 261.373);
}

.card__title {
    font-size: var(--text-xl);
    font-weight: var(--font-weight-bold);
    color: var(--color-vector-black);
    margin-bottom: 1.5rem;
}

.card__list {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.card__list-item {
    display: flex;
    align-items: flex-start;
    color: var(--surface-on-variant);
    line-height: 1.5;
}

.card__list-item--muted {
    opacity: 0.8;
}

.card__icon {
    margin-right: 0.75rem;
    flex-shrink: 0;
    margin-top: 0.125rem;
}

.card__icon--optimal {
    color: var(--color-optimal-fit);
}

.card__icon--incompatible {
    color: #9CA3AF;
    color: oklch(71.366% 0.01926 261.373);
}

/* --- Definition Section --- */
.definition {
    background-color: var(--surface-container-low);
    padding: 4rem 1rem;
}

@media (min-width: 451px) {
    .definition {
        padding: 5rem 2rem;
    }
}

@media (min-width: 768px) {
    .definition {
        padding: 8rem 3rem;
    }
}

.definition__container {
    max-width: var(--max-w-2xl-screen);
    margin: 0 auto;
}

.definition__header {
    margin-bottom: 4rem;
}

@media (min-width: 768px) {
    .definition__header {
        margin-bottom: 5rem;
    }
}

.definition__label {
    color: var(--color-primary);
    font-size: var(--text-xs);
    font-weight: var(--font-weight-bold);
    letter-spacing: 0.3em;
    text-transform: uppercase;
    margin-bottom: 1rem;
    display: block;
}

.definition__title {
    font-size: 2rem;
    /* Mobile First */
    font-weight: var(--font-weight-light);
    margin-bottom: 1rem;
    color: var(--color-vector-black);
}

@media (min-width: 451px) {
    .definition__title {
        font-size: 2.5rem;
    }
}

@media (min-width: 768px) {
    .definition__title {
        font-size: var(--text-5xl);
    }
}

.definition__description {
    font-size: var(--text-lg);
    font-weight: var(--font-weight-regular);
    color: var(--surface-on-variant);
    margin-bottom: 3rem;
    max-width: 48rem;
    line-height: 1.625;
}

.definition__grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 1.5rem;
}

@media (min-width: 768px) {
    .definition__grid {
        grid-template-columns: repeat(12, 1fr);
    }
}

.definition__content-block {
    background-color: var(--surface-container-lowest);
    padding: 1.5rem 1.25rem;
    border-radius: var(--radius-xl);
    border: 1px solid rgba(188, 201, 204, 0.4);
    border: 1px solid oklch(82.682% 0.01491 213.416 / 0.4);
}

@media (min-width: 451px) {
    .definition__content-block {
        padding: 2.5rem 2rem;
    }
}

@media (min-width: 768px) {
    .definition__content-block {
        grid-column: span 8 / span 8;
        padding: 4rem;
    }
}

.definition__features {
    display: grid;
    grid-template-columns: 1fr;
    row-gap: 3rem;
    column-gap: 4rem;
}

@media (min-width: 451px) {
    .definition__features {
        grid-template-columns: repeat(2, 1fr);
        gap: 2rem;
    }
}

.feature__number {
    color: var(--color-primary);
    font-size: var(--text-lg);
    font-weight: var(--font-weight-bold);
}

.feature__title {
    font-size: var(--text-xl);
    font-weight: var(--font-weight-semibold);
    margin: 0.5rem 0;
    color: var(--color-vector-black);
}

.feature__desc {
    color: var(--surface-on-variant);
    line-height: 1.625;
}

.definition__visual-block {
    background-color: var(--color-primary);
    padding: 1.5rem 1.25rem;
    border-radius: var(--radius-xl);
    display: flex;
    flex-direction: column;
    justify-content: flex-end;
    position: relative;
    overflow: hidden;
    min-height: 24rem;
}

@media (min-width: 451px) {
    .definition__visual-block {
        padding: 3rem;
    }
}

@media (min-width: 768px) {
    .definition__visual-block {
        grid-column: span 4 / span 4;
        min-height: auto;
    }
}

.definition__icon-wrapper {
    position: absolute;
    top: 0;
    right: 0;
    padding: 2rem;
    opacity: 0.2;
    transform: translate(25%, -25%);
    transition: transform 0.3s ease;
}

.definition__visual-block:hover .definition__icon-wrapper {
    transform: translate(25%, -25%) scale(1.1);
}

.definition__icon {
    font-size: var(--text-icon);
    color: #ffffff;
    color: oklch(100% 0.00011 271.152);
    font-variation-settings: 'wght' 200;
}

.definition__quote {
    color: rgba(255, 255, 255, 0.8);
    color: oklch(100% 0.00011 271.152 / 0.8);
    font-size: var(--text-lg);
    font-weight: var(--font-weight-regular);
    font-style: italic;
    position: relative;
    z-index: 10;
    line-height: 1.5;
}

.quote-central {
    font-family: var(--font-headline);
    font-size: var(--text-lg);
    font-weight: var(--font-weight-regular);
    font-style: italic;
    color: var(--color-primary);
    max-width: fit-content;
    margin: 4rem auto 0;
    text-align: center;
    line-height: 1.5;
}

/* --- Constraints Section --- */
.constraints {
    background-color: var(--surface-on);
    color: #ffffff;
    color: oklch(100% 0.00011 271.152);
    padding: 4rem 1rem;
}

@media (min-width: 451px) {
    .constraints {
        padding: 5rem 2rem;
    }
}

@media (min-width: 768px) {
    .constraints {
        padding: 8rem 3rem;
    }
}

.constraints__container {
    max-width: var(--max-w-2xl-screen);
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    gap: 4rem;
}

@media (min-width: 768px) {
    .constraints__container {
        flex-direction: row;
        gap: 5rem;
    }
}

.constraints__title-col {
    width: 100%;
}

@media (min-width: 768px) {
    .constraints__title-col {
        width: 33.333333%;
    }
}

.constraints__title {
    font-size: 2rem;
    /* Mobile First */
    font-weight: var(--font-weight-regular);
    color: var(--color-optimal-fit);
    line-height: 1.1;
}

@media (min-width: 451px) {
    .constraints__title {
        font-size: 2.5rem;
    }
}

@media (min-width: 768px) {
    .constraints__title {
        font-size: var(--text-6xl);
    }
}

.constraints__list-col {
    width: 100%;
    display: grid;
    grid-template-columns: 1fr;
    gap: 2.5rem;
}

@media (min-width: 768px) {
    .constraints__list-col {
        width: 66.666667%;
        grid-template-columns: repeat(2, 1fr);
        gap: 3rem;
    }
}

.constraints__item {
    border-left: 2px solid var(--color-optimal-fit);
    padding-left: 1rem;
}

@media (min-width: 451px) {
    .constraints__item {
        padding-left: 2rem;
        padding-top: 0.5rem;
        padding-bottom: 0.5rem;
    }
}

.constraints__text {
    font-size: var(--text-lg);
    font-weight: var(--font-weight-light);
    opacity: 0.8;
    line-height: 1.625;
}

/* --- Scope Section --- */
.scope {
    padding: 4rem 1rem;
    max-width: var(--max-w-2xl-screen);
    margin: 0 auto;
}

@media (min-width: 451px) {
    .scope {
        padding: 5rem 2rem;
    }
}

@media (min-width: 768px) {
    .scope {
        padding: 8rem 3rem;
    }
}

.scope__grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 5rem;
}

@media (min-width: 768px) {
    .scope__grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 8rem;
    }
}

.scope__list-col .definition__title {
    margin-bottom: 3rem;
}

@media (min-width: 768px) {
    .scope__list-col {
        padding-top: 4rem;
    }
}

.scope__list {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.scope__item {
    display: flex;
    align-items: center;
    gap: 1.25rem;
    border-bottom: 1px solid rgba(188, 201, 204, 0.2);
    border-bottom: 1px solid oklch(82.682% 0.01491 213.416 / 0.2);
    padding-bottom: 1.5rem;
}

.scope__item:last-child {
    border-bottom: none;
}

.scope__icon {
    color: var(--color-primary);
}

.scope__text {
    font-size: var(--text-xl);
    font-weight: var(--font-weight-light);
    line-height: 1.4;
    color: var(--surface-on);
}

@media (min-width: 768px) {
    .scope__text {
        font-size: var(--text-2xl);
    }
}

.decision-loop__item {
    gap: 0.5rem;
    padding-bottom: 1rem;
}

@media (min-width: 451px) {
    .decision-loop__item {
        gap: 1rem;
        padding-bottom: 1.25rem;
    }
}

.decision-loop__icon {
    font-size: 1.25rem;
}

.decision-loop__text {
    font-size: 0.875rem;
}

@media (min-width: 451px) {
    .decision-loop__text {
        font-size: 1rem;
    }
}

.quote-later {
    grid-column: 1 / -1;
    justify-self: center;
    font-family: var(--font-headline);
    font-size: var(--text-lg);
    font-weight: var(--font-weight-regular);
    font-style: italic;
    color: var(--color-primary);
    max-width: fit-content;
    text-align: center;
    line-height: 1.5;
}

/* --- Assumptions & Infinite Marquee --- */
.assumptions {
    max-width: var(--max-w-4xl);
    margin: 0 auto;
    padding: 4rem 1rem;
    text-align: center;
    overflow: hidden;
}

@media (min-width: 451px) {
    .assumptions {
        padding: 5rem 2rem;
    }
}

@media (min-width: 768px) {
    .assumptions {
        padding: 6rem 0;
    }
}

.assumptions__title {
    font-size: var(--text-3xl);
    font-weight: var(--font-weight-regular);
    margin-bottom: 3rem;
    color: var(--color-vector-black);
}

@media (min-width: 451px) {
    .assumptions__title {
        padding-left: 2rem;
    }
}

.assumptions__marquee {
    display: flex;
    overflow: hidden;
    user-select: none;
    -webkit-mask-image: linear-gradient(to right, transparent, rgba(0, 0, 0, 1) 10%, rgba(0, 0, 0, 1) 90%, transparent);
    mask-image: linear-gradient(to right, transparent, oklch(0% 0 0) 10%, oklch(0% 0 0) 90%, transparent);
}

.assumptions__track {
    display: flex;
    flex-shrink: 0;
    align-items: center;
    gap: 1rem;
    padding-right: 1rem;
    animation: scroll-x 40s linear infinite;
}

.assumptions__marquee:hover .assumptions__track,
.assumptions__marquee:active .assumptions__track {
    animation-play-state: paused;
}

.badge {
    padding: 0.75rem 1.5rem;
    background-color: var(--surface-container);
    border-radius: 9999px;
    font-size: var(--text-sm);
    font-weight: var(--font-weight-semibold);
    white-space: nowrap;
    border: 1px solid rgba(188, 201, 204, 0.2);
    border: 1px solid oklch(82.682% 0.01491 213.416 / 0.2);
    color: var(--surface-on);
}

@keyframes scroll-x {
    from {
        transform: translateX(0);
    }

    to {
        transform: translateX(-100%);
    }
}

/* --- CTA Section --- */
.cta {
    padding: 4rem 1rem;
    text-align: center;
    max-width: var(--max-w-4xl);
    margin: 0 auto;
}

@media (min-width: 451px) {
    .cta {
        padding: 5rem 2rem;
    }
}

.cta__container {
    max-width: 36rem;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.cta__title {
    font-size: var(--text-2xl);
    font-weight: var(--font-weight-regular);
    color: var(--color-vector-black);
}

.cta__text {
    font-size: var(--text-base);
    font-weight: var(--font-weight-regular);
    color: var(--surface-on-variant);
    line-height: 1.5;
}

.btn {
    display: inline-block;
    padding: 1rem 1.5rem;
    border-radius: var(--radius-xl);
    font-size: 1rem;
    font-weight: var(--font-weight-bold);
    border: none;
    cursor: pointer;
    transition: all 0.15s ease;
    font-family: var(--font-display);
    width: 100%;
}

@media (min-width: 451px) {
    .btn {
        padding: 1.25rem 2.5rem;
        font-size: var(--text-lg);
        width: auto;
    }
}

.btn--primary {
    background-color: var(--action-primary);
    color: var(--action-on-primary);
    margin-top: 1rem;
}

.btn--primary:hover {
    box-shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
    box-shadow: 0 10px 15px -3px oklch(0% 0 0 / 0.1);
    background-color: #005661;
    background-color: oklch(41.509% 0.07173 209.711);
}

.btn--primary:active {
    transform: scale(0.95);
}

/* --- Footer --- */
.footer {
    padding: 4rem 0;
    border-top: 1px solid var(--color-vector-border);
    background-color: var(--color-vector-white);
}

.footer__container {
    max-width: var(--max-w-7xl);
    margin: 0 auto;
    padding: 0 1.5rem;
    display: flex;
    flex-direction: column;
    gap: 2rem;
}

@media (min-width: 451px) and (max-width: 767px) {
    .footer__container {
        padding-left: 2rem;
        padding-right: 2rem;
    }
}

@media (min-width: 768px) {
    .footer__container {
        flex-direction: row;
        justify-content: space-between;
        align-items: center;
        padding: 0 2rem;
    }
}

.footer__brand {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.footer__logo {
    font-size: var(--text-caption);
    font-weight: var(--font-weight-semibold);
    line-height: 1.4;
    color: var(--color-vector-black);
    font-family: var(--font-display);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.footer__copyright {
    font-size: var(--text-caption);
    font-weight: var(--font-weight-medium);
    line-height: 1.4;
    color: #777777;
    color: oklch(56.926% 0.00006 271.152);
}

.footer__actions {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 2rem;
}

.footer__link {
    font-size: var(--text-caption);
    font-weight: var(--font-weight-medium);
    color: #777777;
    color: oklch(56.926% 0.00006 271.152);
    transition: color 0.2s ease;
    border-radius: var(--radius-sm);
}

.footer__link:hover {
    color: var(--color-vector-1);
}

.footer__link:focus-visible {
    outline: 2px solid var(--color-vector-1);
    outline-offset: 4px;
}

.footer__socials {
    display: flex;
    align-items: center;
    gap: 1rem;
    border-left: 1px solid var(--color-vector-border);
    padding-left: 2rem;
}

.footer__social-link {
    color: #777777;
    color: oklch(56.926% 0.00006 271.152);
    padding: 0.25rem;
    border-radius: var(--radius-sm);
    transition: color 0.2s ease;
    display: inline-flex;
    align-items: center;
    justify-content: center;
}

.footer__social-link:hover {
    color: var(--color-vector-black);
}

/* --- Utilities --- */
.tooltip {
    position: relative;
    display: inline-flex;
}

.tooltip__text {
    visibility: hidden;
    position: absolute;
    bottom: 125%;
    left: 50%;
    transform: translateX(-50%);
    background-color: var(--color-vector-black);
    color: var(--color-vector-white);
    text-align: center;
    padding: 6px 10px;
    border-radius: var(--radius-sm);
    font-size: 11px;
    font-weight: var(--font-weight-medium);
    white-space: nowrap;
    z-index: 100;
    opacity: 0;
    transition: opacity 0.15s, transform 0.15s;
    pointer-events: none;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
    box-shadow: 0 4px 12px oklch(0% 0 0 / 0.1);
    font-family: var(--font-display);
}

.tooltip__text::after {
    content: "";
    position: absolute;
    top: 100%;
    left: 50%;
    margin-left: -4px;
    border-width: 4px;
    border-style: solid;
    border-color: var(--color-vector-black) transparent transparent transparent;
}

.tooltip:hover .tooltip__text,
.tooltip:focus-within .tooltip__text {
    visibility: visible;
    opacity: 1;
}

.u-fade-in {
    opacity: 0;
    transform: translateY(24px);
    transition: opacity 0.7s ease-out, transform 0.7s ease-out;
    will-change: opacity, transform;
}

.u-fade-in.is-visible {
    opacity: 1;
    transform: translateY(0);
}

@media (prefers-reduced-motion: reduce) {
    .u-fade-in {
        transition: none;
        opacity: 1;
        transform: translateY(0);
    }

    .assumptions__track {
        animation: none;
    }
}

.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}