/* ────────────────────────────────────────────────
   Arin Kehreman — portfolio
   Editorial redesign: paper / ink / one accent
   ──────────────────────────────────────────────── */

:root {
    --paper: #f2efe9;
    --ink: #141414;
    --accent: #ff4d00;
    --muted: rgba(20, 20, 20, 0.6);
    --muted-l: rgba(242, 239, 233, 0.62);
    --hairline: rgba(20, 20, 20, 0.18);
    --hairline-l: rgba(242, 239, 233, 0.22);
    --gutter: clamp(1.25rem, 4vw, 4rem);
    --font-display: "Clash Display", "Arial Narrow", sans-serif;
    --font-body: "General Sans", "Helvetica Neue", Arial, sans-serif;
    --font-serif: "Instrument Serif", Georgia, serif;
    --ease-out: cubic-bezier(0.22, 1, 0.36, 1);
    --ease-mask: cubic-bezier(0.65, 0, 0.35, 1);
}

* {
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

html, body {
    overflow-x: clip;
}

body {
    margin: 0;
    min-height: 100vh;
    font-family: var(--font-body);
    font-size: 1rem;
    line-height: 1.6;
    background: var(--paper);
    color: var(--ink);
    -webkit-font-smoothing: antialiased;
}

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

h1, h2, h3 {
    margin: 0;
    font-family: var(--font-display);
    font-weight: 600;
}

p {
    margin: 0 0 1em;
}

ul {
    margin: 0;
    padding: 0;
    list-style: none;
}

::selection {
    background: var(--accent);
    color: var(--paper);
}

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

em {
    font-family: var(--font-serif);
    font-style: italic;
    font-weight: 400;
    text-transform: none;
    letter-spacing: 0;
}

.accent-dot,
.accent-char {
    color: var(--accent);
    -webkit-text-stroke: 0;
}

/* ── Grain overlay ─────────────────────────────── */
.grain {
    position: fixed;
    inset: 0;
    z-index: 2000;
    pointer-events: none;
    opacity: 0.05;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='240' height='240'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='2' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
}

/* ── Preloader ─────────────────────────────────── */
.preloader {
    display: none;
}

.js .preloader {
    display: flex;
    align-items: center;
    justify-content: center;
    position: fixed;
    inset: 0;
    z-index: 3000;
    background: var(--ink);
    transform: translateY(0);
    transition: transform 0.75s var(--ease-mask);
}

.js .preloader-name {
    margin: 0;
    overflow: hidden;
    color: var(--paper);
    font-family: var(--font-display);
    font-weight: 600;
    font-size: clamp(1.8rem, 5.5vw, 3.6rem);
    letter-spacing: -0.02em;
    text-transform: uppercase;
}

.js .preloader-line {
    display: block;
    transform: translateY(115%);
    animation: preloader-rise 0.7s 0.12s var(--ease-mask) forwards;
}

@keyframes preloader-rise {
    to { transform: translateY(0); }
}

.js.loaded .preloader {
    transform: translateY(-101%);
    pointer-events: none;
}

/* ── Custom cursor ─────────────────────────────── */
.cursor {
    display: none;
}

@media (pointer: fine) {
    .js .cursor {
        display: block;
        position: fixed;
        top: 0;
        left: 0;
        z-index: 2100;
        pointer-events: none;
        opacity: 0;
        will-change: transform;
        mix-blend-mode: difference;
    }

    .js .cursor.on {
        opacity: 1;
    }

    .cursor-dot {
        display: block;
        width: 12px;
        height: 12px;
        margin: -6px 0 0 -6px;
        border-radius: 50%;
        background: #fff;
        transition: transform 0.3s var(--ease-out);
    }

    .cursor.grow .cursor-dot {
        transform: scale(3.4);
    }
}

/* ── Reveals ───────────────────────────────────── */
.mask {
    display: block;
    overflow: hidden;
}

.js .reveal-lines .line {
    display: block;
    transform: translateY(115%);
    transition: transform 0.9s var(--ease-mask);
    transition-delay: calc(var(--i, 0) * 80ms);
    will-change: transform;
}

.js .reveal-lines.in .line {
    transform: translateY(0);
}

.js .fade {
    opacity: 0;
    transform: translateY(26px);
    transition: opacity 0.8s ease, transform 0.8s var(--ease-out);
    transition-delay: var(--d, 0ms);
}

.js .fade.in {
    opacity: 1;
    transform: translateY(0);
}

/* ── Underline links ───────────────────────────── */
.u-line {
    position: relative;
    display: inline-block;
}

.u-line::after {
    content: "";
    position: absolute;
    left: 0;
    bottom: -3px;
    width: 100%;
    height: 1px;
    background: currentColor;
    transform: scaleX(0);
    transform-origin: right;
    transition: transform 0.45s var(--ease-mask);
}

.u-line:hover::after,
.u-line:focus-visible::after,
.u-line.active::after {
    transform: scaleX(1);
    transform-origin: left;
}

/* ── Header ────────────────────────────────────── */
.site-head {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    display: flex;
    align-items: baseline;
    justify-content: space-between;
    gap: 1.5rem;
    padding: 1.4rem var(--gutter);
    mix-blend-mode: difference;
    color: #fff;
    font-size: 0.78rem;
    font-weight: 500;
    letter-spacing: 0.14em;
    text-transform: uppercase;
}

.site-nav {
    display: flex;
    gap: clamp(1rem, 2.5vw, 2.2rem);
}

.head-meta {
    margin: 0;
}

/* ── Hero ──────────────────────────────────────── */
.hero {
    display: flex;
    flex-direction: column;
    min-height: 100svh;
    padding: clamp(6rem, 14vh, 9rem) var(--gutter) 0;
}

.hero-center {
    flex: 1;
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.hero-eyelet {
    margin: 0 0 1.5rem;
    font-size: 0.78rem;
    font-weight: 500;
    letter-spacing: 0.16em;
    text-transform: uppercase;
    color: var(--muted);
}

.hero-name {
    font-size: clamp(2.75rem, 13vw, 11rem);
    line-height: 0.92;
    letter-spacing: -0.03em;
    text-transform: uppercase;
}

.mask-indent {
    margin-left: clamp(2rem, 10vw, 9rem);
}

.line-stroke {
    color: transparent;
    -webkit-text-stroke: 2px var(--ink);
}

.hero-foot {
    display: flex;
    align-items: flex-end;
    justify-content: space-between;
    gap: 2.5rem;
    margin-top: clamp(2.5rem, 6vh, 4.5rem);
}

.hero-text {
    max-width: 32rem;
    margin: 0;
    font-size: 1.05rem;
    color: var(--muted);
}

.hero-actions {
    display: flex;
    gap: 0.9rem;
    flex-shrink: 0;
}

.hero-strip {
    display: flex;
    justify-content: space-between;
    gap: 1.5rem;
    margin-top: clamp(2.5rem, 6vh, 4rem);
    padding: 1.1rem 0 1.3rem;
    border-top: 1px solid var(--hairline);
    font-size: 0.78rem;
    font-weight: 500;
    letter-spacing: 0.16em;
    text-transform: uppercase;
    color: var(--muted);
}

/* ── Buttons ───────────────────────────────────── */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 0.7rem;
    padding: 1rem 1.9rem;
    border: 1px solid var(--ink);
    border-radius: 999px;
    font-size: 0.92rem;
    font-weight: 500;
    letter-spacing: 0.02em;
    transition: background 0.4s var(--ease-out), color 0.4s var(--ease-out), transform 0.45s var(--ease-out);
    will-change: transform;
}

.btn-fill {
    background: var(--ink);
    color: var(--paper);
}

.btn-ghost {
    background: transparent;
    color: var(--ink);
}

.btn-ghost:hover {
    background: var(--ink);
    color: var(--paper);
}

.btn-light {
    border-color: var(--paper);
    color: var(--paper);
}

.btn-light:hover {
    background: var(--paper);
    color: var(--ink);
}

.btn-text {
    position: relative;
    display: inline-block;
    overflow: hidden;
}

.btn-label {
    display: block;
    transition: transform 0.5s var(--ease-mask);
}

.btn-label-clone {
    position: absolute;
    left: 0;
    top: 100%;
}

.btn:hover .btn-label {
    transform: translateY(-100%);
}

.btn-arrow {
    transition: transform 0.4s var(--ease-out);
}

.btn:hover .btn-arrow {
    transform: translateX(5px);
}

/* ── Marquee ───────────────────────────────────── */
.marquee {
    overflow: hidden;
    padding: 1.4rem 0;
    border-top: 1px solid var(--hairline);
    border-bottom: 1px solid var(--hairline);
}

.marquee-track {
    display: inline-flex;
    white-space: nowrap;
    will-change: transform;
}

.marquee-seg {
    display: inline-flex;
    align-items: baseline;
    font-family: var(--font-display);
    font-weight: 600;
    font-size: clamp(2.4rem, 6.5vw, 5rem);
    line-height: 1.1;
    letter-spacing: -0.02em;
    text-transform: uppercase;
}

.marquee-seg > span {
    padding: 0 1.6rem;
}

.marquee-seg .o {
    color: transparent;
    -webkit-text-stroke: 1.5px var(--ink);
}

.marquee-seg i {
    font-style: normal;
    color: var(--accent);
}

/* ── Sections ──────────────────────────────────── */
.section {
    padding: clamp(5.5rem, 12vw, 10rem) var(--gutter);
}

.sec-head {
    display: flex;
    align-items: baseline;
    justify-content: space-between;
    gap: 1.5rem;
    padding-top: 1.1rem;
    border-top: 1px solid var(--hairline);
    font-size: 0.78rem;
    font-weight: 500;
    letter-spacing: 0.16em;
    text-transform: uppercase;
}

.sec-num {
    color: var(--accent);
}

.sec-label {
    color: var(--muted);
}

.sec-title {
    margin: clamp(1.5rem, 4vw, 2.5rem) 0 clamp(2.5rem, 6vw, 4.5rem);
    font-size: clamp(2.6rem, 7vw, 5.5rem);
    line-height: 1;
    letter-spacing: -0.02em;
    text-transform: uppercase;
}

.sec-title em {
    font-size: 1.04em;
}

.section-dark {
    background: var(--ink);
    color: var(--paper);
}

.section-dark .sec-head {
    border-top-color: var(--hairline-l);
}

.section-dark .sec-label {
    color: var(--muted-l);
}

/* ── About ─────────────────────────────────────── */
.about-grid {
    display: grid;
    grid-template-columns: 1.4fr 0.9fr;
    gap: clamp(2.5rem, 6vw, 6rem);
}

.about-statement {
    margin: 0 0 1.4rem;
    font-family: var(--font-display);
    font-weight: 500;
    font-size: clamp(1.5rem, 2.6vw, 2.1rem);
    line-height: 1.3;
    letter-spacing: -0.01em;
}

.about-main p:not(.about-statement) {
    max-width: 34rem;
    color: var(--muted);
}

.about-side {
    display: flex;
    flex-direction: column;
    gap: 2.5rem;
}

.side-label {
    margin: 0 0 0.9rem;
    font-family: var(--font-body);
    font-size: 0.78rem;
    font-weight: 500;
    letter-spacing: 0.16em;
    text-transform: uppercase;
    color: var(--accent);
}

.side-list li {
    padding: 0.55rem 0;
    border-top: 1px solid var(--hairline);
}

.side-text {
    margin: 0;
    color: var(--muted);
}

.facts {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: clamp(1.5rem, 4vw, 3rem);
    margin-top: clamp(3rem, 7vw, 5.5rem);
}

.facts li {
    padding-top: 1.1rem;
    border-top: 1px solid var(--hairline);
}

.facts strong {
    display: block;
    font-family: var(--font-display);
    font-weight: 600;
    font-size: 1.15rem;
    letter-spacing: -0.01em;
}

.facts span {
    font-size: 0.9rem;
    color: var(--muted);
}

/* ── Skills ────────────────────────────────────── */
.skill-list {
    border-bottom: 1px solid var(--hairline);
}

.skill-row {
    position: relative;
    display: grid;
    grid-template-columns: 3.5rem 1fr auto;
    align-items: center;
    gap: 1rem;
    padding: 1.3rem 0.6rem;
    border-top: 1px solid var(--hairline);
    cursor: default;
}

.skill-row::before {
    content: "";
    position: absolute;
    inset: 0;
    background: var(--ink);
    transform: scaleY(0);
    transform-origin: bottom;
    transition: transform 0.45s var(--ease-mask);
}

.skill-row > * {
    position: relative;
    transition: color 0.35s var(--ease-out);
}

.skill-idx {
    font-size: 0.78rem;
    font-weight: 500;
    letter-spacing: 0.14em;
    color: var(--muted);
}

.skill-name {
    font-family: var(--font-display);
    font-weight: 600;
    font-size: clamp(1.8rem, 4.5vw, 3.2rem);
    line-height: 1.05;
    letter-spacing: -0.02em;
    text-transform: uppercase;
}

.skill-cat {
    font-size: 0.78rem;
    font-weight: 500;
    letter-spacing: 0.16em;
    text-transform: uppercase;
    color: var(--muted);
}

@media (hover: hover) {
    .skill-row:hover::before {
        transform: scaleY(1);
    }

    .skill-row:hover .skill-name {
        color: var(--paper);
    }

    .skill-row:hover .skill-idx {
        color: var(--accent);
    }

    .skill-row:hover .skill-cat {
        color: var(--muted-l);
    }
}

.skill-cols {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: clamp(2rem, 5vw, 4rem);
    margin-top: clamp(3rem, 7vw, 5rem);
    max-width: 44rem;
}

/* ── Project ───────────────────────────────────── */
.project-title {
    margin: clamp(1.5rem, 4vw, 2.5rem) 0 clamp(2.5rem, 6vw, 4.5rem);
    font-size: clamp(2.6rem, 10vw, 9rem);
    line-height: 0.95;
    letter-spacing: -0.03em;
}

.project-divider {
    border: 0;
    border-top: 1px solid var(--hairline-l);
    margin: clamp(4.5rem, 10vw, 8rem) 0 0;
}

.project-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 0.9rem;
}

/* ── Project shots ─────────────────────────────── */
.shots {
    margin-top: clamp(3rem, 7vw, 5.5rem);
}

.shot {
    margin: 0;
}

.shot figcaption {
    margin-top: 0.9rem;
    font-size: 0.75rem;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: var(--muted-l);
}

/* The frame clips upward like the text masks elsewhere on the page,
   while the image inside settles back from a slight scale. */
.shot-frame {
    position: relative;
    overflow: hidden;
    border: 1px solid var(--hairline-l);
    border-radius: 4px;
    background: #1c1c1c;
}

.shot-frame img {
    display: block;
    width: 100%;
    height: auto;
}

.js .shot .shot-frame {
    clip-path: inset(0 0 100% 0);
    transition: clip-path 1.1s var(--ease-mask);
    transition-delay: var(--d, 0ms);
}

.js .shot .shot-frame img {
    transform: scale(1.07);
    transition: transform 1.4s var(--ease-out);
    transition-delay: var(--d, 0ms);
    will-change: transform;
}

.js .shot.in .shot-frame {
    clip-path: inset(0 0 0 0);
}

.js .shot.in .shot-frame img {
    transform: scale(1);
}

/* Browser chrome — one hairline bar, no fake traffic lights */
.shot-frame-browser {
    padding-top: 26px;
}

.shot-bar {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 26px;
    background: rgba(242, 239, 233, 0.06);
    border-bottom: 1px solid var(--hairline-l);
}

.shot-bar::before {
    content: "";
    position: absolute;
    top: 50%;
    left: 12px;
    width: 26px;
    height: 5px;
    margin-top: -2.5px;
    border-radius: 99px;
    background: rgba(242, 239, 233, 0.28);
}

/* App icon sitting beside the project title */
.project-head {
    display: flex;
    align-items: center;
    gap: clamp(0.9rem, 2.5vw, 2rem);
}

.project-head .project-title {
    flex: 0 1 auto;
    min-width: 0;
}

.project-mark {
    flex-shrink: 0;
    width: clamp(76px, 11vw, 132px);
    margin: 0;
}

/* The source icon is a rounded square on white — the radius clips the corners off */
.project-mark img {
    display: block;
    width: 100%;
    height: auto;
    border-radius: 23%;
}

.js .project-mark img {
    opacity: 0;
    transform: scale(0.88) rotate(-4deg);
    transition: opacity 0.7s ease, transform 0.9s var(--ease-out);
    transition-delay: 220ms;
}

.js .project-mark.in img {
    opacity: 1;
    transform: scale(1) rotate(0);
}

/* Splæsh — three phone shots */
.shots-app {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: clamp(1.2rem, 3vw, 2.4rem);
    max-width: 940px;
}

.shot-frame-phone {
    border-radius: 22px;
    padding: 0;
    background: #0e0e0e;
}

/* FlashGenius — one wide shot, then a pair */
.shots-web {
    display: flex;
    flex-direction: column;
    gap: clamp(1.4rem, 3.5vw, 2.4rem);
}

.shot-wide .shot-frame {
    max-height: 560px;
}

.shot-wide .shot-frame img {
    object-fit: cover;
    object-position: top center;
    max-height: 534px;
}

.shots-pair {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: clamp(1.4rem, 3.5vw, 2.4rem);
}

@media (max-width: 860px) {
    .shots-app {
        gap: 1rem;
    }

    .shots-pair {
        grid-template-columns: 1fr;
    }

    .shot-wide .shot-frame,
    .shot-wide .shot-frame img {
        max-height: 380px;
    }
}

@media (max-width: 520px) {
    .shots-app {
        grid-template-columns: 1fr 1fr;
    }

    /* the third shot would sit alone on a row — let it span instead */
    .shots-app .shot:last-child {
        grid-column: 1 / -1;
        max-width: 52%;
    }
}

.project-grid {
    display: grid;
    grid-template-columns: 1.2fr 0.8fr;
    gap: clamp(2.5rem, 6vw, 6rem);
    align-items: start;
}

.project-lead {
    margin: 0 0 1.4rem;
    font-family: var(--font-display);
    font-weight: 500;
    font-size: clamp(1.3rem, 2.3vw, 1.8rem);
    line-height: 1.35;
    letter-spacing: -0.01em;
}

.project-role {
    max-width: 34rem;
    margin: 0 0 2.2rem;
    color: var(--muted-l);
}

.tech-list li {
    display: flex;
    align-items: baseline;
    gap: 1rem;
    padding: 0.95rem 0;
    border-top: 1px solid var(--hairline-l);
    font-family: var(--font-display);
    font-weight: 500;
    font-size: 1.1rem;
    letter-spacing: 0.02em;
    text-transform: uppercase;
}

.tech-list li:last-child {
    border-bottom: 1px solid var(--hairline-l);
}

.tech-idx {
    font-family: var(--font-body);
    font-size: 0.75rem;
    letter-spacing: 0.14em;
    color: var(--accent);
}

/* ── Education ─────────────────────────────────── */
.edu-grid {
    display: grid;
    grid-template-columns: 1fr 1.1fr;
    gap: clamp(2.5rem, 6vw, 6rem);
    align-items: start;
}

.edu-what h3 {
    font-size: clamp(1.3rem, 2.2vw, 1.7rem);
    line-height: 1.3;
    letter-spacing: -0.01em;
}

.edu-sub {
    margin: 0.7rem 0 0;
    font-size: 0.78rem;
    font-weight: 500;
    letter-spacing: 0.16em;
    text-transform: uppercase;
    color: var(--accent);
}

.edu-text {
    max-width: 36rem;
    margin: 0;
    color: var(--muted);
}

/* ── Footer ────────────────────────────────────── */
.footer {
    background: var(--ink);
    color: var(--paper);
    padding: clamp(5.5rem, 12vw, 10rem) var(--gutter) 2rem;
}

.footer .sec-head {
    border-top-color: var(--hairline-l);
}

.footer .sec-label {
    color: var(--muted-l);
}

.footer-title {
    margin: clamp(1.5rem, 4vw, 2.5rem) 0 clamp(2.5rem, 6vw, 4rem);
    font-size: clamp(2.8rem, 12vw, 10rem);
    line-height: 0.95;
    letter-spacing: -0.03em;
    text-transform: uppercase;
}

.footer-title em {
    font-size: 1.04em;
}

.footer-mail {
    font-family: var(--font-display);
    font-weight: 500;
    font-size: clamp(1.5rem, 4.5vw, 3.2rem);
    letter-spacing: -0.01em;
    word-break: break-word;
}

.footer-mail::after {
    height: 2px;
    bottom: -6px;
}

.footer-links {
    display: flex;
    gap: 2rem;
    margin-top: 2.8rem;
    font-size: 0.9rem;
    font-weight: 500;
    letter-spacing: 0.1em;
    text-transform: uppercase;
}

.footer-bottom {
    display: flex;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 0.8rem 2rem;
    margin-top: clamp(4rem, 9vw, 7rem);
    padding-top: 1.3rem;
    border-top: 1px solid var(--hairline-l);
    font-size: 0.78rem;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: var(--muted-l);
}

/* ── Responsive ────────────────────────────────── */
@media (max-width: 900px) {
    .head-meta {
        display: none;
    }

    .hero-foot {
        flex-direction: column;
        align-items: flex-start;
        gap: 1.8rem;
    }

    .about-grid,
    .project-grid,
    .edu-grid {
        grid-template-columns: 1fr;
    }

    .facts {
        grid-template-columns: 1fr;
        gap: 1.2rem;
    }
}

@media (max-width: 640px) {
    .site-head {
        position: absolute;
        flex-direction: column;
        align-items: flex-start;
        gap: 0.7rem;
        padding-top: 1.1rem;
    }

    .site-nav {
        flex-wrap: wrap;
        gap: 0.9rem 1.2rem;
        font-size: 0.72rem;
    }

    .hero {
        padding-top: 7.5rem;
    }

    .mask-indent {
        margin-left: 1.5rem;
    }

    .line-stroke {
        -webkit-text-stroke-width: 1.3px;
    }

    .hero-actions {
        flex-wrap: wrap;
    }

    .skill-row {
        grid-template-columns: 2.4rem 1fr;
    }

    .skill-cat {
        display: none;
    }

    .skill-cols {
        grid-template-columns: 1fr;
    }

    .footer-links {
        flex-direction: column;
        gap: 1rem;
    }

    .footer-bottom {
        flex-direction: column;
    }
}

/* ── Reduced motion ────────────────────────────── */
@media (prefers-reduced-motion: reduce) {
    html {
        scroll-behavior: auto;
    }

    .js .preloader {
        display: none;
    }

    .js .reveal-lines .line,
    .js .fade,
    .u-line::after,
    .btn,
    .btn-label,
    .btn-arrow,
    .skill-row::before,
    .cursor-dot {
        transition: none;
        animation: none;
    }

    .js .reveal-lines .line {
        transform: none;
    }

    .js .fade {
        opacity: 1;
        transform: none;
    }

    .js .shot .shot-frame,
    .js .shot .shot-frame img {
        transition: none;
    }

    .js .shot .shot-frame {
        clip-path: none;
    }

    .js .shot .shot-frame img {
        transform: none;
    }

    .js .project-mark img {
        opacity: 1;
        transform: none;
        transition: none;
    }
}