/* ============================================================
   OK Instruments — SPILL site
   Monochrome / industrial Eurorack
   ============================================================ */

@font-face {
    font-family: 'SugarFont';
    src: url('../assets/fonts/SugarFont-Light.ttf') format('truetype');
    font-weight: 300;
    font-style: normal;
    font-display: swap;
}

@font-face {
    font-family: 'SugarFont';
    src: url('../assets/fonts/SugarFont-Regular.ttf') format('truetype');
    font-weight: 400;
    font-style: normal;
    font-display: swap;
}

@font-face {
    font-family: 'SugarFont';
    src: url('../assets/fonts/SugarFont-Medium.ttf') format('truetype');
    font-weight: 500;
    font-style: normal;
    font-display: swap;
}

@font-face {
    font-family: 'SugarFont';
    src: url('../assets/fonts/SugarFont-DemiBold.ttf') format('truetype');
    font-weight: 600;
    font-style: normal;
    font-display: swap;
}

@font-face {
    font-family: 'SugarFont';
    src: url('../assets/fonts/SugarFont-Bold.ttf') format('truetype');
    font-weight: 700 800;
    font-style: normal;
    font-display: swap;
}

:root {
    --bg:        #0a0a0a;
    --bg-2:      #111;
    --bg-3:      #161616;
    --fg:        #e8e8e8;
    --fg-dim:    #8a8a8a;
    --fg-faint:  #555;
    --line:      #262626;
    --line-2:    #333;
    --hi:        #fff;
    --warn:      #ddd;

    --font-sans: 'SugarFont', system-ui, -apple-system, 'Segoe UI', sans-serif;
    --font-mono: 'SugarFont', ui-monospace, 'SFMono-Regular', Menlo, monospace;

    --container: 1180px;
    --pad:       clamp(1.25rem, 4vw, 2.5rem);
    --radius:    2px;
}

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

html { scroll-behavior: smooth; }

body {
    background: var(--bg);
    color: var(--fg);
    font-family: var(--font-sans);
    font-size: 16px;
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    /* subtle vertical grain */
    background-image:
        repeating-linear-gradient(0deg,
            rgba(255,255,255,0.012) 0 1px,
            transparent 1px 3px);
}

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

a { color: var(--fg); text-decoration: none; transition: color .15s ease; }
a:hover { color: var(--hi); }

::selection { background: var(--hi); color: var(--bg); }

/* -- Layout -------------------------------------------------- */

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

.section {
    padding: clamp(3.5rem, 8vw, 7rem) 0;
    border-top: 1px solid var(--line);
}

.section--no-border { border-top: 0; }

.section__head {
    display: flex;
    align-items: baseline;
    gap: 1.25rem;
    margin-bottom: 2.5rem;
    padding-bottom: 1.25rem;
    border-bottom: 1px dashed var(--line-2);
}

.section__num {
    font-family: var(--font-mono);
    font-size: 0.8rem;
    color: var(--fg-faint);
    letter-spacing: 0.1em;
}

.section__title {
    font-family: var(--font-mono);
    font-size: clamp(1.3rem, 2.5vw, 1.6rem);
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.04em;
    color: var(--hi);
}

/* -- Nav ----------------------------------------------------- */

.nav {
    position: sticky;
    top: 0;
    z-index: 100;
    background: rgba(10,10,10,0.92);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    border-bottom: 1px solid var(--line);
}

.nav__inner {
    max-width: var(--container);
    margin: 0 auto;
    padding: 0.9rem var(--pad);
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 1.5rem;
}

.nav__logo {
    display: inline-flex;
    align-items: center;
    gap: 0.55rem;
    font-family: var(--font-mono);
    font-weight: 700;
    font-size: 0.95rem;
    letter-spacing: 0.05em;
    text-transform: uppercase;
    color: var(--hi);
}

.nav__logo-mark {
    height: 28px;
    width: auto;
    display: block;
}

.nav__logo-text {
    display: inline-block;
    line-height: 1;
    color: var(--hi);
}

.nav__links {
    display: flex;
    gap: 1.75rem;
    align-items: center;
}

.nav__link {
    font-family: var(--font-mono);
    font-size: 0.78rem;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--fg-dim);
    padding: 0.4rem 0;
    border-bottom: 1px solid transparent;
}

.nav__link:hover,
.nav__link--active {
    color: var(--hi);
    border-bottom-color: var(--hi);
}

@media (max-width: 640px) {
    .nav__links { gap: 1rem; }
    .nav__link { font-size: 0.7rem; letter-spacing: 0.06em; }
}

/* -- Hero ---------------------------------------------------- */

.hero {
    padding: clamp(3.5rem, 9vw, 7rem) 0 clamp(2rem, 5vw, 4rem);
}

.hero__grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: clamp(2rem, 5vw, 4rem);
    align-items: center;
}

@media (max-width: 880px) {
    .hero__grid { grid-template-columns: 1fr; }
}

.hero__tag {
    font-family: var(--font-mono);
    font-size: 0.75rem;
    letter-spacing: 0.18em;
    text-transform: uppercase;
    color: var(--fg-dim);
    display: inline-block;
    padding: 0.25rem 0.6rem;
    border: 1px solid var(--line-2);
    margin-bottom: 1.5rem;
}

.hero__title {
    font-family: var(--font-mono);
    font-size: clamp(3rem, 10vw, 6.5rem);
    font-weight: 800;
    line-height: 0.95;
    letter-spacing: -0.02em;
    color: var(--hi);
    margin-bottom: 1.5rem;
}

.hero__title::after {
    content: '_';
    color: var(--fg-faint);
    animation: blink 1.1s steps(1) infinite;
}

@keyframes blink { 50% { opacity: 0; } }

.hero__lede {
    font-size: clamp(1rem, 1.4vw, 1.15rem);
    color: var(--fg);
    margin-bottom: 2rem;
    max-width: 40ch;
}

.hero__lede strong { color: var(--hi); font-weight: 600; }

.hero__meta {
    display: flex;
    flex-wrap: wrap;
    gap: 1.5rem 2.25rem;
    font-family: var(--font-mono);
    font-size: 0.78rem;
    color: var(--fg-dim);
    text-transform: uppercase;
    letter-spacing: 0.08em;
    border-top: 1px solid var(--line);
    padding-top: 1.25rem;
}

.hero__meta b { color: var(--hi); font-weight: 600; }

.hero__media {
    position: relative;
    aspect-ratio: 4 / 5;
    background: var(--bg-2);
    border: 1px solid var(--line);
    overflow: hidden;
}

.hero__media-button {
    appearance: none;
    position: relative;
    display: block;
    width: 100%;
    height: 100%;
    margin: 0;
    padding: 0;
    border: 0;
    background: transparent;
    color: inherit;
    cursor: zoom-in;
}

.hero__media-button:focus-visible {
    outline: 2px solid var(--hi);
    outline-offset: -6px;
}

.hero__media picture {
    display: block;
    width: 100%;
    height: 100%;
}

.hero__media img {
    width: 100%;
    height: 100%;
    object-fit: contain;
    display: block;
    transition: transform .3s ease, filter .3s ease;
}

.hero__media-button:hover img {
    transform: scale(1.015);
    filter: brightness(1.04);
}

.hero__media-tag {
    position: absolute;
    bottom: 0.75rem;
    left: 0.75rem;
    font-family: var(--font-mono);
    font-size: 0.7rem;
    color: var(--hi);
    background: rgba(0,0,0,0.65);
    padding: 0.25rem 0.55rem;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    border: 1px solid var(--line-2);
    z-index: 2;
}

.has-lightbox {
    overflow: hidden;
}

.lightbox[hidden] {
    display: none;
}

.lightbox {
    position: fixed;
    inset: 0;
    z-index: 1000;
    display: grid;
    place-items: center;
    padding: clamp(0.75rem, 3vw, 2rem);
}

.lightbox__backdrop {
    appearance: none;
    position: absolute;
    inset: 0;
    border: 0;
    background: rgba(0, 0, 0, 0.88);
    cursor: zoom-out;
}

.lightbox__panel {
    position: relative;
    z-index: 1;
    width: min(calc(100vw - 1.5rem), calc(1102px + 2px));
    max-height: calc(100vh - 1.5rem);
    display: flex;
    flex-direction: column;
    overflow: hidden;
    border: 1px solid var(--line-2);
    background: var(--bg);
    box-shadow: 0 1.5rem 5rem rgba(0, 0, 0, 0.75);
}

.lightbox__bar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
    min-height: 3rem;
    padding: 0.5rem 0.75rem;
    border-bottom: 1px solid var(--line);
    font-family: var(--font-mono);
    font-size: 0.72rem;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: var(--fg-dim);
}

.lightbox__close {
    appearance: none;
    display: grid;
    place-items: center;
    width: 2.25rem;
    height: 2.25rem;
    border: 1px solid var(--line-2);
    background: var(--bg-2);
    color: var(--hi);
    font: inherit;
    font-size: 1.4rem;
    line-height: 1;
    cursor: pointer;
}

.lightbox__close:hover,
.lightbox__close:focus-visible {
    border-color: var(--hi);
}

.lightbox__stage {
    flex: 1 1 auto;
    min-height: 0;
    overflow: auto;
    background: #050505;
}

.lightbox__stage img {
    display: block;
    width: auto;
    max-width: none;
    height: auto;
}

@media (max-width: 1100px) {
    .lightbox__stage img {
        width: 1102px;
    }
}

@media (prefers-reduced-motion: reduce) {
    .hero__media img {
        transition: none;
    }
}

/* -- Features ------------------------------------------------ */

.features {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 0;
    border-left: 1px solid var(--line);
    border-top: 1px solid var(--line);
}

.feature {
    padding: 1.75rem 1.5rem;
    border-right: 1px solid var(--line);
    border-bottom: 1px solid var(--line);
    background: var(--bg);
    transition: background .15s ease;
}

.feature:hover { background: var(--bg-2); }

.feature__num {
    font-family: var(--font-mono);
    font-size: 0.7rem;
    color: var(--fg-faint);
    letter-spacing: 0.15em;
    margin-bottom: 0.75rem;
}

.feature__title {
    font-family: var(--font-mono);
    font-size: 0.95rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.04em;
    color: var(--hi);
    margin-bottom: 0.5rem;
}

.feature__desc {
    font-size: 0.92rem;
    color: var(--fg-dim);
    line-height: 1.55;
}

.effect-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: 0;
    margin-top: 1.5rem;
    border-left: 1px solid var(--line);
    border-top: 1px solid var(--line);
}

.effect-card {
    display: flex;
    flex-direction: column;
    min-height: 14rem;
    padding: 1.35rem 1.25rem;
    border-right: 1px solid var(--line);
    border-bottom: 1px solid var(--line);
    background: var(--bg-2);
}

.effect-card__num {
    font-family: var(--font-mono);
    font-size: 0.68rem;
    color: var(--fg-faint);
    letter-spacing: 0.15em;
    text-transform: uppercase;
    margin-bottom: 0.55rem;
}

.effect-card__title {
    font-family: var(--font-mono);
    font-size: 0.9rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    color: var(--hi);
    margin-bottom: 0.55rem;
}

.effect-card__text {
    font-size: 0.9rem;
    line-height: 1.55;
    color: var(--fg-dim);
    margin-bottom: 1rem;
}

.effect-card__params {
    margin-top: auto;
    padding-top: 0.8rem;
    border-top: 1px dashed var(--line-2);
    font-family: var(--font-mono);
    font-size: 0.68rem;
    line-height: 1.5;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: var(--fg);
}

/* -- Pricing ------------------------------------------------- */

.tiers {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 0;
    border-left: 1px solid var(--line);
    border-top: 1px solid var(--line);
}

.tier {
    padding: 1.75rem 1.5rem 2rem;
    border-right: 1px solid var(--line);
    border-bottom: 1px solid var(--line);
    background: var(--bg);
    display: flex;
    flex-direction: column;
    position: relative;
}

.tier--hi {
    background: var(--bg-3);
}

.tier__flag {
    position: absolute;
    top: 0;
    right: 0;
    font-family: var(--font-mono);
    font-size: 0.65rem;
    letter-spacing: 0.15em;
    text-transform: uppercase;
    background: var(--hi);
    color: var(--bg);
    padding: 0.25rem 0.55rem;
}

.tier__name {
    font-family: var(--font-mono);
    font-size: 0.85rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: var(--fg-dim);
    margin-bottom: 0.5rem;
}

.tier--hi .tier__name { color: var(--hi); }

.tier__price {
    font-family: var(--font-mono);
    font-size: 2.1rem;
    font-weight: 800;
    color: var(--hi);
    line-height: 1;
    margin-bottom: 0.25rem;
}

.tier__price small {
    font-size: 0.85rem;
    color: var(--fg-faint);
    font-weight: 400;
    margin-left: 0.2em;
}

.tier__sub {
    font-family: var(--font-mono);
    font-size: 0.7rem;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--fg-faint);
    margin-bottom: 1.25rem;
}

.tier__list {
    list-style: none;
    flex: 1 1 auto;
    margin: 0 0 1.5rem;
    padding: 1rem 0 0;
    border-top: 1px dashed var(--line-2);
    font-size: 0.88rem;
    color: var(--fg-dim);
}

.tier__list li {
    padding: 0.25rem 0;
    position: relative;
    padding-left: 1.1rem;
}

.tier__list li::before {
    content: '–';
    position: absolute;
    left: 0;
    color: var(--fg-faint);
}

.tier__list li.add::before { content: '+'; color: var(--hi); }

.tier > .btn {
    margin-top: auto;
    min-height: 48px;
}

/* -- Kit list ------------------------------------------------ */

.kit {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
    gap: 0;
    border-left: 1px solid var(--line);
    border-top: 1px solid var(--line);
    list-style: none;
}

.kit li {
    padding: 1.1rem 1.25rem;
    font-family: var(--font-mono);
    font-size: 0.85rem;
    color: var(--fg);
    border-right: 1px solid var(--line);
    border-bottom: 1px solid var(--line);
    text-transform: uppercase;
    letter-spacing: 0.04em;
    display: flex;
    align-items: baseline;
    gap: 0.75rem;
}

.kit li::before {
    content: attr(data-n);
    color: var(--fg-faint);
    font-size: 0.7rem;
    letter-spacing: 0.1em;
}

/* -- Buttons ------------------------------------------------- */

.btn {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.85rem 1.35rem;
    font-family: var(--font-mono);
    font-size: 0.78rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.12em;
    border: 1px solid var(--line-2);
    background: transparent;
    color: var(--fg);
    cursor: pointer;
    transition: all .15s ease;
}

.btn:hover {
    background: var(--hi);
    color: var(--bg);
    border-color: var(--hi);
}

.btn--solid {
    background: var(--hi);
    color: var(--bg);
    border-color: var(--hi);
}

.btn--solid:hover {
    background: transparent;
    color: var(--hi);
}

.btn--full { width: 100%; justify-content: center; }

.cta-row {
    display: flex;
    flex-wrap: wrap;
    gap: 0.85rem;
    margin-top: 1.5rem;
}

/* -- Forms (contact) ----------------------------------------- */

.form-group { margin-bottom: 1.25rem; }

.form-label {
    display: block;
    font-family: var(--font-mono);
    font-size: 0.72rem;
    text-transform: uppercase;
    letter-spacing: 0.12em;
    color: var(--fg-dim);
    margin-bottom: 0.4rem;
}

.form-input,
.form-textarea,
.form-select {
    width: 100%;
    padding: 0.75rem 0.85rem;
    background: var(--bg-2);
    border: 1px solid var(--line-2);
    color: var(--fg);
    font-family: var(--font-sans);
    font-size: 0.95rem;
    border-radius: 0;
    transition: border-color .15s;
}

.form-input:focus,
.form-textarea:focus,
.form-select:focus {
    outline: none;
    border-color: var(--hi);
}

.form-textarea { resize: vertical; min-height: 140px; }

.form-select {
    appearance: none;
    background-image: linear-gradient(45deg, transparent 50%, var(--fg-dim) 50%),
                      linear-gradient(-45deg, transparent 50%, var(--fg-dim) 50%);
    background-position: calc(100% - 16px) center, calc(100% - 11px) center;
    background-size: 5px 5px;
    background-repeat: no-repeat;
}

/* -- Prose (legal pages) ------------------------------------- */

.prose {
    max-width: 70ch;
    margin: 0 auto;
}

.prose h1 {
    font-family: var(--font-mono);
    font-size: clamp(1.8rem, 4vw, 2.5rem);
    color: var(--hi);
    text-transform: uppercase;
    letter-spacing: 0.02em;
    margin-bottom: 0.5rem;
}

.prose h2 {
    font-family: var(--font-mono);
    font-size: 1.05rem;
    color: var(--hi);
    text-transform: uppercase;
    letter-spacing: 0.06em;
    margin: 2.25rem 0 0.75rem;
    padding-top: 1rem;
    border-top: 1px dashed var(--line-2);
}

.prose h3 {
    font-size: 1rem;
    font-weight: 600;
    color: var(--hi);
    margin: 1.5rem 0 0.5rem;
}

.prose p,
.prose li {
    color: var(--fg);
    margin-bottom: 0.85rem;
    font-size: 0.95rem;
}

.prose ul, .prose ol { padding-left: 1.25rem; margin-bottom: 1rem; }

.prose a { color: var(--hi); border-bottom: 1px solid var(--line-2); }
.prose a:hover { border-bottom-color: var(--hi); }

.prose strong { color: var(--hi); }

.prose hr {
    border: 0;
    border-top: 1px dashed var(--line-2);
    margin: 2rem 0;
}

/* -- Footer -------------------------------------------------- */

.footer {
    margin-top: clamp(3rem, 6vw, 5rem);
    padding: 2.5rem 0 2rem;
    border-top: 1px solid var(--line);
    background: var(--bg);
}

.footer__inner {
    display: flex;
    justify-content: space-between;
    align-items: flex-end;
    flex-wrap: wrap;
    gap: 1.5rem;
    padding-bottom: 1.5rem;
    border-bottom: 1px dashed var(--line-2);
}

.footer__brand {
    font-family: var(--font-mono);
    font-size: 0.85rem;
    color: var(--fg-dim);
}

.footer__brand b {
    color: var(--hi);
    font-weight: 700;
    letter-spacing: 0.05em;
    text-transform: uppercase;
    display: block;
    margin-bottom: 0.25rem;
}

.footer__links {
    display: flex;
    flex-wrap: wrap;
    gap: 1.5rem;
}

.footer__link {
    font-family: var(--font-mono);
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--fg-dim);
}

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

.footer__copy {
    margin-top: 1.25rem;
    font-family: var(--font-mono);
    font-size: 0.7rem;
    color: var(--fg-faint);
    letter-spacing: 0.08em;
    text-transform: uppercase;
    text-align: center;
}

/* -- Contact page utility ------------------------------------ */

.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: clamp(1.5rem, 4vw, 3rem);
    align-items: start;
}

@media (max-width: 800px) {
    .contact-grid { grid-template-columns: 1fr; }
}

.contact-points {
    list-style: none;
    margin: 1.5rem 0;
    padding: 0;
    font-family: var(--font-mono);
    font-size: 0.82rem;
    color: var(--fg-dim);
    text-transform: uppercase;
    letter-spacing: 0.06em;
}

.contact-points li {
    padding: 0.45rem 0;
    border-bottom: 1px dashed var(--line);
}

.contact-points li::before {
    content: '> ';
    color: var(--hi);
}

.contact-delivery-note {
    margin: 1.5rem 0;
    padding: 1rem;
    border: 1px dashed var(--line-2);
    background: var(--bg-2);
    color: var(--fg-dim);
    font-size: 0.92rem;
}

.contact-delivery-note strong {
    color: var(--hi);
}

.contact-delivery-note a {
    color: var(--hi);
    border-bottom: 1px solid var(--line-2);
}

.contact-card {
    border: 1px solid var(--line-2);
    background: var(--bg-2);
    padding: clamp(1.25rem, 3vw, 2rem);
}

.contact-success {
    text-align: center;
    padding: 2rem 1rem;
}

.contact-success__title {
    font-family: var(--font-mono);
    font-size: 1.2rem;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    margin: 1rem 0 0.5rem;
    color: var(--hi);
}

.contact-success__text { color: var(--fg-dim); margin-bottom: 1.5rem; }