/* =====================================================
   INNER LOGIC — DESIGN SYSTEM (splash page)
   Off-white fields, black type. Black field for the
   mark in the footer. Green as sparing accent (CTA,
   data lines).

   Three typefaces, three sizes:
   display (serif) / body (sans) / small (mono meta)
   ===================================================== */

/* -----------------------------------------------------
   BRAND FONTS
   Licensed webfont files are not committed to this repo.
   Drop the files below into /fonts (see fonts/README.md)
   and these @font-face rules pick them up automatically.
   Until then the site falls back to Newsreader / Inter /
   JetBrains Mono (loaded from Google Fonts).
   ----------------------------------------------------- */

@font-face {
    font-family: 'Martina Plantijn';
    src: local('Martina Plantijn Light'), local('MartinaPlantijn-Light'),
        url('fonts/MartinaPlantijn-Light.woff2') format('woff2');
    font-weight: 300;
    font-style: normal;
    font-display: swap;
}

@font-face {
    font-family: 'Martina Plantijn';
    src: local('Martina Plantijn Light Italic'), local('MartinaPlantijn-LightItalic'),
        url('fonts/MartinaPlantijn-LightItalic.woff2') format('woff2');
    font-weight: 300;
    font-style: italic;
    font-display: swap;
}

@font-face {
    font-family: 'True Sans';
    src: local('True Sans Book'), local('TrueSans-Book'),
        url('fonts/TrueSans-Book.woff2') format('woff2');
    font-weight: 400;
    font-style: normal;
    font-display: swap;
}

@font-face {
    font-family: 'True Sans';
    src: local('True Sans Medium'), local('TrueSans-Medium'),
        url('fonts/TrueSans-Medium.woff2') format('woff2');
    font-weight: 500;
    font-style: normal;
    font-display: swap;
}

@font-face {
    font-family: 'True Sans Mono';
    src: local('True Sans Mono Medium'), local('TrueSansMono-Medium'),
        url('fonts/TrueSansMono-Medium.woff2') format('woff2');
    font-weight: 500;
    font-style: normal;
    font-display: swap;
}

/* -----------------------------------------------------
   TOKENS
   ----------------------------------------------------- */

:root {
    /* Primary palette */
    --offwhite: #F8F6F1;
    --tint-1: #E5E2DC;
    --tint-2: #ACA8A0;
    --tint-3: #736F69;
    --black: #000000;
    --green: #87F600;

    /* Supporting palette (reserved for the full site) */
    --silver: #C5C8C7;
    --teal: #344753;

    /* Hairlines */
    --line-dark: rgba(0, 0, 0, 0.14);
    --line-light: rgba(248, 246, 241, 0.18);

    /* Type */
    --font-display: 'Martina Plantijn', 'Newsreader', Georgia, 'Times New Roman', serif;
    --font-sans: 'True Sans', 'Inter', 'Helvetica Neue', Helvetica, Arial, sans-serif;
    --font-mono: 'True Sans Mono', 'JetBrains Mono', 'SF Mono', Menlo, monospace;

    /* Spec: eyebrow tracking 5%, display tracking -1%, body 0% */
    --track-eyebrow: 0.05em;
    --track-display: -0.01em;

    /* Display leading near spec 110%; body 1.45 for web legibility */
    --leading: 1.18;
    --leading-body: 1.45;

    /* Type scale — three sizes only */
    --text-display: clamp(1.625rem, 2.9vw, 2.25rem);
    --text-body: 1.0625rem;
    --text-small: 0.8125rem;

    /* Layout */
    --max-width: 1100px;
    --gutter: clamp(1.25rem, 4vw, 2.5rem);
    --header-height: 76px;

    /* Motion */
    --transition-fast: 150ms ease;
    --transition-base: 300ms cubic-bezier(0.4, 0, 0.2, 1);
}

/* -----------------------------------------------------
   RESET & BASE
   ----------------------------------------------------- */

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

html {
    -webkit-text-size-adjust: 100%;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

body {
    font-family: var(--font-sans);
    font-weight: 400;
    font-size: var(--text-body);
    letter-spacing: 0;
    line-height: var(--leading-body);
    color: var(--black);
    background-color: var(--offwhite);
}

::selection {
    background: var(--green);
    color: var(--black);
}

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

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

:focus-visible {
    outline: 2px solid var(--black);
    outline-offset: 3px;
}

.footer :focus-visible {
    outline-color: var(--green);
}

section[id] {
    scroll-margin-top: calc(var(--header-height) + 12px);
}

/* -----------------------------------------------------
   TYPE
   Sentence case everywhere except eyebrows and CTAs.
   Display: Martina Plantijn Light with the
   roman-to-italic shift mid-sentence via <em>.
   ----------------------------------------------------- */

h1,
.display {
    font-family: var(--font-display);
    font-weight: 300;
    font-size: var(--text-display);
    letter-spacing: var(--track-display);
    line-height: var(--leading);
}

h1 em,
.display em {
    font-style: italic;
    font-weight: 300;
}

.eyebrow {
    font-family: var(--font-mono);
    font-weight: 500;
    font-size: var(--text-small);
    letter-spacing: var(--track-eyebrow);
    text-transform: uppercase;
    line-height: 1.1;
    display: inline-flex;
    align-items: center;
    gap: 0.875rem;
}

/* Green data line — the sparing accent */
.eyebrow::before {
    content: '';
    flex: none;
    width: 2rem;
    height: 2px;
    background: var(--green);
}

/* Mono underlined text link (Learn more, LinkedIn) */
.mono-link {
    font-family: var(--font-mono);
    font-weight: 500;
    font-size: var(--text-small);
    letter-spacing: var(--track-eyebrow);
    text-transform: uppercase;
    line-height: 1.1;
    text-decoration: underline;
    text-underline-offset: 4px;
    transition: color var(--transition-fast);
}

.mono-link:hover {
    color: var(--tint-3);
}

/* -----------------------------------------------------
   BUTTONS
   ----------------------------------------------------- */

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 1em 1.75em;
    font-family: var(--font-mono);
    font-weight: 500;
    font-size: var(--text-small);
    letter-spacing: var(--track-eyebrow);
    text-transform: uppercase;
    line-height: 1.1;
    border: 1px solid transparent;
    border-radius: 999px;
    white-space: nowrap;
    cursor: pointer;
    transition: background-color var(--transition-base), transform var(--transition-base);
}

.btn--green {
    background-color: var(--green);
    color: var(--black);
}

.btn--green:hover {
    background-color: #79DE00;
    transform: translateY(-1px);
}

/* Round icon button (footer LinkedIn) */
.icon-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 44px;
    height: 44px;
    border: 1px solid rgba(248, 246, 241, 0.4);
    border-radius: 999px;
    color: var(--offwhite);
    transition: border-color var(--transition-base), transform var(--transition-base);
}

.icon-btn:hover {
    border-color: var(--offwhite);
    transform: translateY(-1px);
}

/* -----------------------------------------------------
   LOCKUP (mark + wordmark, always together)
   ----------------------------------------------------- */

.lockup {
    display: inline-flex;
    align-items: center;
    gap: 0.875rem;
    color: var(--black);
}

.lockup__mark {
    height: 40px;
    width: auto;
    flex: none;
}

.lockup__wordmark {
    height: 25px;
    width: auto;
    display: block;
}

/* -----------------------------------------------------
   HEADER
   ----------------------------------------------------- */

.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    height: var(--header-height);
    z-index: 1000;
    background: transparent;
    transition: background-color var(--transition-base), box-shadow var(--transition-base);
}

.header.scrolled {
    background: rgba(248, 246, 241, 0.88);
    -webkit-backdrop-filter: blur(18px);
    backdrop-filter: blur(18px);
    box-shadow: 0 1px 0 var(--line-dark);
}

.header__container {
    max-width: var(--max-width);
    height: 100%;
    margin: 0 auto;
    padding: 0 var(--gutter);
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
}

/* -----------------------------------------------------
   LAYOUT
   ----------------------------------------------------- */

.container {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 var(--gutter);
}

.section {
    padding: clamp(4rem, 8vw, 6rem) 0;
    border-top: 1px solid var(--line-dark);
}

.section__header {
    margin-bottom: clamp(2rem, 4vw, 3rem);
}

/* -----------------------------------------------------
   HERO — split headline / sub-headline
   ----------------------------------------------------- */

.hero {
    padding: calc(var(--header-height) + clamp(3.5rem, 8vw, 6rem)) 0 clamp(3.5rem, 7vw, 5.5rem);
}

.hero__grid {
    display: grid;
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    gap: clamp(2rem, 5vw, 4rem);
    align-items: end;
}

.hero__title {
    max-width: 13em;
}

.hero__lead {
    color: var(--tint-3);
    max-width: 26em;
    border-left: 1px solid var(--line-dark);
    padding-left: clamp(1.5rem, 3vw, 2.5rem);
}

/* -----------------------------------------------------
   VISION (black field)
   ----------------------------------------------------- */

.vision {
    background-color: var(--black);
    color: var(--offwhite);
}

.vision .mono-link:hover {
    color: var(--tint-2);
}

.vision :focus-visible {
    outline-color: var(--green);
}

.vision__text p {
    max-width: 22em;
}

.nowrap {
    white-space: nowrap;
}

@media (max-width: 560px) {
    .nowrap {
        white-space: normal;
    }
}

.vision__text p + p {
    margin-top: 1.5em;
}

.vision__more-row {
    display: flex;
    justify-content: flex-end;
    margin-top: 2.5rem;
}

/* -----------------------------------------------------
   ABOUT — buildable + three pillars
   ----------------------------------------------------- */

.about__lede {
    max-width: 20em;
}

.pillars {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: clamp(2rem, 4vw, 3.5rem);
    margin-top: clamp(3rem, 6vw, 4.5rem);
}

.pillar__icon {
    display: block;
    width: 30px;
    height: 30px;
    margin-bottom: 1.25rem;
}

.pillar__name {
    font-family: var(--font-sans);
    font-weight: 500;
    font-size: var(--text-body);
    letter-spacing: 0;
    line-height: 1.1;
    margin-bottom: 0.75rem;
}

.pillar__text {
    color: var(--tint-3);
}

/* -----------------------------------------------------
   TEAM — cards with LinkedIn links
   ----------------------------------------------------- */

.team__grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: clamp(1rem, 3.5vw, 3.5rem);
}

.team__photo {
    width: 100%;
    background: var(--tint-1);
    margin-bottom: 1.375rem;
}

.team__name {
    font-family: var(--font-sans);
    font-weight: 500;
    font-size: var(--text-body);
    letter-spacing: 0;
    line-height: 1.1;
    margin-bottom: 0.5rem;
}

.team__role {
    color: var(--tint-3);
    margin-bottom: 1.125rem;
}

/* -----------------------------------------------------
   BACKED BY
   ----------------------------------------------------- */

.investors__grid {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 2.75rem 2.5rem;
    align-items: center;
}

.investor {
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 0.5rem 0;
}

.investor__logo {
    height: 34px;
    max-width: 130px;
    width: auto;
    object-fit: contain;
    filter: grayscale(1);
    mix-blend-mode: multiply;
    opacity: 0.7;
    transition: opacity var(--transition-base), filter var(--transition-base);
}

.investor:hover .investor__logo {
    filter: grayscale(0);
    opacity: 1;
}

/* -----------------------------------------------------
   FOOTER (black field — mark + tagline + get in touch)
   ----------------------------------------------------- */

.footer {
    background-color: var(--black);
    color: var(--offwhite);
    padding: clamp(3.5rem, 7vw, 5.5rem) 0 2.25rem;
}

.footer__top {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: space-between;
    gap: 2rem;
    padding-bottom: clamp(2.5rem, 5vw, 3.5rem);
    border-bottom: 1px solid var(--line-light);
    margin-bottom: 1.75rem;
}

.footer__brand {
    display: flex;
    align-items: center;
    gap: clamp(1.25rem, 3vw, 2rem);
}

.footer__mark {
    height: 40px;
    width: auto;
    flex: none;
}

.footer__tagline {
    max-width: 13em;
    white-space: nowrap;
}

/* Designed wordmark inside the tagline, baseline-aligned to the serif:
   cap height 78.6% of tight box -> 0.67em caps at 0.85em height,
   descender 21.4% -> sits 0.18em below the baseline */
.tagline-wordmark {
    height: 0.85em;
    width: auto;
    display: inline-block;
    vertical-align: -0.18em;
}

.footer__actions {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.footer__copyright {
    font-size: var(--text-small);
    color: rgba(248, 246, 241, 0.72);
}

/* -----------------------------------------------------
   RESPONSIVE
   ----------------------------------------------------- */

@media (max-width: 860px) {
    .hero__grid {
        grid-template-columns: 1fr;
        align-items: start;
    }

    .hero__lead {
        border-left: none;
        padding-left: 0;
    }

    .pillars {
        grid-template-columns: 1fr;
        max-width: 420px;
    }

    .footer__top {
        flex-direction: column;
        align-items: flex-start;
    }
}

@media (max-width: 760px) {
    .investors__grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
        gap: 2rem 1.5rem;
    }
}

@media (max-width: 480px) {
    .lockup__mark {
        height: 34px;
    }

    .lockup__wordmark {
        height: 21px;
    }

    .footer__mark {
        height: 34px;
    }
}

/* -----------------------------------------------------
   REDUCED MOTION
   ----------------------------------------------------- */

@media (prefers-reduced-motion: reduce) {

    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}