/* ==========================================================================
   Astry — design system
   Shared stylesheet for index.html and html/portefolio.html
   ========================================================================== */

/* ---------- Self-hosted fonts (latin subset, GDPR/CSP friendly) ---------- */
@font-face { font-family: 'Inter'; font-style: normal; font-weight: 400; font-display: swap; src: url(../fonts/inter-400.woff2) format('woff2'); }
@font-face { font-family: 'Inter'; font-style: normal; font-weight: 500; font-display: swap; src: url(../fonts/inter-500.woff2) format('woff2'); }
@font-face { font-family: 'Inter'; font-style: normal; font-weight: 600; font-display: swap; src: url(../fonts/inter-600.woff2) format('woff2'); }
@font-face { font-family: 'Space Grotesk'; font-style: normal; font-weight: 500; font-display: swap; src: url(../fonts/space-grotesk-500.woff2) format('woff2'); }
@font-face { font-family: 'Space Grotesk'; font-style: normal; font-weight: 600; font-display: swap; src: url(../fonts/space-grotesk-600.woff2) format('woff2'); }
@font-face { font-family: 'Space Grotesk'; font-style: normal; font-weight: 700; font-display: swap; src: url(../fonts/space-grotesk-700.woff2) format('woff2'); }
@font-face { font-family: 'JetBrains Mono'; font-style: normal; font-weight: 400; font-display: swap; src: url(../fonts/jetbrains-mono-400.woff2) format('woff2'); }
@font-face { font-family: 'JetBrains Mono'; font-style: normal; font-weight: 500; font-display: swap; src: url(../fonts/jetbrains-mono-500.woff2) format('woff2'); }

/* ---------- Tokens ---------- */
:root {
    /* Surfaces */
    --bg: #0a0a0f;
    --bg-soft: #101017;
    --surface: #14141d;
    --surface-2: #1a1a25;
    --border: rgba(255, 255, 255, 0.08);
    --border-strong: rgba(255, 255, 255, 0.14);

    /* Text */
    --text: #ededf2;
    --text-muted: #9b9ba8;
    --text-faint: #6c6c7a;

    /* Brand accent */
    --accent: #a855f7;
    --accent-bright: #c084fc;
    --accent-deep: #7c3aed;
    --accent-glow: rgba(168, 85, 247, 0.35);
    --accent-soft: rgba(168, 85, 247, 0.12);

    /* Type */
    --font-display: 'Space Grotesk', 'Segoe UI', system-ui, sans-serif;
    --font-body: 'Inter', system-ui, -apple-system, sans-serif;
    --font-mono: 'JetBrains Mono', ui-monospace, 'Cascadia Code', monospace;

    /* Layout */
    --maxw: 1160px;
    --radius: 14px;
    --radius-sm: 10px;
    --header-h: 72px;

    /* Motion */
    --ease: cubic-bezier(0.22, 1, 0.36, 1);
}

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

html {
    scroll-behavior: smooth;
    scroll-padding-top: var(--header-h);
}

body {
    font-family: var(--font-body);
    background: var(--bg);
    color: var(--text);
    line-height: 1.65;
    -webkit-font-smoothing: antialiased;
    text-rendering: optimizeLegibility;
    overflow-x: hidden;
}

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

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

:focus-visible {
    outline: 2px solid var(--accent);
    outline-offset: 3px;
    border-radius: 4px;
}

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

/* ---------- Helpers ---------- */
.wrap {
    width: 100%;
    max-width: var(--maxw);
    margin-inline: auto;
    padding-inline: 1.5rem;
}

.eyebrow {
    display: inline-flex;
    align-items: center;
    gap: 0.55rem;
    font-family: var(--font-mono);
    font-size: 0.78rem;
    letter-spacing: 0.14em;
    text-transform: uppercase;
    color: var(--accent-bright);
}

.eyebrow::before {
    content: "";
    width: 22px;
    height: 1px;
    background: var(--accent);
    opacity: 0.6;
}

.accent {
    color: var(--accent-bright);
}

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

.section {
    padding: clamp(4rem, 9vw, 7.5rem) 0;
}

.section-head {
    max-width: 640px;
    margin-bottom: 3.5rem;
}

.section-head h2 {
    font-family: var(--font-display);
    font-weight: 600;
    font-size: clamp(1.9rem, 5vw, 3rem);
    line-height: 1.1;
    letter-spacing: -0.02em;
    margin: 1rem 0 0.9rem;
}

.section-head p {
    color: var(--text-muted);
    font-size: 1.05rem;
}

/* ---------- Buttons ---------- */
.btn {
    --btn-bg: var(--accent);
    display: inline-flex;
    align-items: center;
    gap: 0.55rem;
    font-family: var(--font-body);
    font-size: 0.97rem;
    font-weight: 500;
    padding: 0.8rem 1.4rem;
    border-radius: var(--radius-sm);
    border: 1px solid transparent;
    cursor: pointer;
    transition: transform 0.25s var(--ease), background 0.25s var(--ease), border-color 0.25s var(--ease), color 0.25s var(--ease);
    white-space: nowrap;
}

.btn svg {
    width: 18px;
    height: 18px;
}

.btn-primary {
    background: var(--accent);
    color: #fff;
    box-shadow: 0 8px 30px -12px var(--accent-glow);
}

.btn-primary:hover {
    background: var(--accent-bright);
    transform: translateY(-2px);
}

.btn-ghost {
    background: transparent;
    color: var(--text);
    border-color: var(--border-strong);
}

.btn-ghost:hover {
    border-color: var(--accent);
    color: var(--accent-bright);
    transform: translateY(-2px);
}

/* ---------- Header ---------- */
.site-header {
    position: fixed;
    inset: 0 0 auto 0;
    height: var(--header-h);
    z-index: 100;
    display: flex;
    align-items: center;
    background: color-mix(in srgb, var(--bg) 72%, transparent);
    backdrop-filter: blur(14px) saturate(140%);
    border-bottom: 1px solid var(--border);
    transition: background 0.3s;
}

.site-header .wrap {
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.brand {
    display: inline-flex;
    align-items: center;
    gap: 0.6rem;
    font-family: var(--font-display);
    font-weight: 700;
    font-size: 1.3rem;
    letter-spacing: -0.01em;
}

.brand img {
    width: 30px;
    height: 30px;
}

.brand .dot {
    color: var(--accent);
}

.nav {
    display: flex;
    align-items: center;
    gap: 0.4rem;
}

.nav a {
    position: relative;
    color: var(--text-muted);
    font-size: 0.95rem;
    padding: 0.5rem 0.85rem;
    border-radius: 8px;
    transition: color 0.2s;
}

.nav a:hover {
    color: var(--text);
}

.nav a.nav-cta {
    margin-left: 0.5rem;
    color: #fff;
    background: var(--accent);
    padding-inline: 1.1rem;
    transition: background 0.2s, transform 0.2s;
}

.nav a.nav-cta:hover {
    background: var(--accent-bright);
    transform: translateY(-1px);
}

.menu-btn {
    display: none;
    background: none;
    border: 1px solid var(--border-strong);
    color: var(--text);
    width: 42px;
    height: 42px;
    border-radius: 10px;
    font-size: 1.2rem;
    cursor: pointer;
    align-items: center;
    justify-content: center;
}

.nav-mobile {
    position: fixed;
    top: var(--header-h);
    inset-inline: 0;
    background: var(--bg-soft);
    border-bottom: 1px solid var(--border);
    display: flex;
    flex-direction: column;
    padding: 0.75rem 1.5rem 1.25rem;
    gap: 0.25rem;
    transform: translateY(-12px);
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.25s, transform 0.25s var(--ease);
    z-index: 99;
}

.nav-mobile.open {
    opacity: 1;
    transform: translateY(0);
    pointer-events: auto;
}

.nav-mobile a {
    color: var(--text-muted);
    font-size: 1.05rem;
    padding: 0.85rem 0.5rem;
    border-radius: 8px;
    border-bottom: 1px solid var(--border);
}

.nav-mobile a:last-child {
    border-bottom: none;
}

.nav-mobile a:hover {
    color: var(--accent-bright);
}

/* ---------- Hero ---------- */
.hero {
    position: relative;
    padding-top: calc(var(--header-h) + clamp(3rem, 8vw, 6rem));
    padding-bottom: clamp(3rem, 8vw, 6rem);
    overflow: hidden;
}

.hero-bg {
    position: absolute;
    inset: 0;
    z-index: 0;
    pointer-events: none;
    background:
        radial-gradient(60% 50% at 75% 8%, var(--accent-soft), transparent 70%),
        radial-gradient(45% 40% at 12% 85%, rgba(124, 58, 237, 0.1), transparent 70%);
}

.hero-grid {
    position: absolute;
    inset: 0;
    z-index: 0;
    pointer-events: none;
    background-image: radial-gradient(circle at center, rgba(255, 255, 255, 0.06) 1px, transparent 1px);
    background-size: 34px 34px;
    -webkit-mask-image: radial-gradient(ellipse 80% 60% at 50% 35%, #000 30%, transparent 80%);
    mask-image: radial-gradient(ellipse 80% 60% at 50% 35%, #000 30%, transparent 80%);
}

.hero .wrap {
    position: relative;
    z-index: 1;
}

.hero-inner {
    max-width: 800px;
}

.hero h1 {
    font-family: var(--font-display);
    font-weight: 600;
    font-size: clamp(2.4rem, 7vw, 4.4rem);
    line-height: 1.04;
    letter-spacing: -0.03em;
    margin: 1.4rem 0 1.3rem;
}

.hero h1 .stroke {
    background: linear-gradient(120deg, var(--accent-bright), var(--accent-deep));
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}

.hero-lead {
    font-size: clamp(1.05rem, 2vw, 1.25rem);
    color: var(--text-muted);
    max-width: 560px;
    margin-bottom: 2.2rem;
}

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

.hero-meta {
    display: flex;
    flex-wrap: wrap;
    gap: 2.5rem;
    margin-top: 3.5rem;
    padding-top: 2.2rem;
    border-top: 1px solid var(--border);
}

.hero-meta div {
    display: flex;
    flex-direction: column;
}

.hero-meta dt {
    font-family: var(--font-display);
    font-size: 1.6rem;
    font-weight: 600;
}

.hero-meta dd {
    color: var(--text-faint);
    font-size: 0.85rem;
    font-family: var(--font-mono);
    text-transform: uppercase;
    letter-spacing: 0.08em;
}

/* ---------- Marquee (tech strip) ---------- */
.marquee {
    border-block: 1px solid var(--border);
    background: var(--bg-soft);
    overflow: hidden;
    padding: 1.1rem 0;
}

.marquee-track {
    display: flex;
    gap: 3rem;
    width: max-content;
    animation: marquee 32s linear infinite;
    color: var(--text-faint);
    font-family: var(--font-mono);
    font-size: 0.85rem;
    letter-spacing: 0.05em;
    text-transform: uppercase;
}

.marquee-track span {
    display: inline-flex;
    align-items: center;
    gap: 3rem;
    white-space: nowrap;
}

.marquee-track span::after {
    content: "✦";
    color: var(--accent);
}

@keyframes marquee {
    to {
        transform: translateX(-50%);
    }
}

@media (prefers-reduced-motion: reduce) {
    .marquee-track {
        animation: none;
    }
}

/* ---------- Services ---------- */
#services {
    background: var(--bg-soft);
    border-block: 1px solid var(--border);
}

.cards {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(248px, 1fr));
    gap: 1px;
    background: var(--border);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    overflow: hidden;
}

.card {
    background: var(--surface);
    padding: 2.2rem 1.9rem;
    transition: background 0.3s;
    position: relative;
}

.card:hover {
    background: var(--surface-2);
}

.card-num {
    font-family: var(--font-mono);
    font-size: 0.78rem;
    color: var(--text-faint);
    letter-spacing: 0.1em;
}

.card-icon {
    width: 46px;
    height: 46px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 12px;
    background: var(--accent-soft);
    color: var(--accent-bright);
    margin: 1.1rem 0 1.3rem;
}

.card-icon svg {
    width: 24px;
    height: 24px;
}

.card h3 {
    font-family: var(--font-display);
    font-weight: 600;
    font-size: 1.2rem;
    margin-bottom: 0.6rem;
}

.card p {
    color: var(--text-muted);
    font-size: 0.95rem;
}

/* ---------- About ---------- */
.about-grid {
    display: grid;
    grid-template-columns: 1.1fr 0.9fr;
    gap: clamp(2rem, 5vw, 4.5rem);
    align-items: center;
}

.about-copy p {
    color: var(--text-muted);
    margin-bottom: 1.2rem;
    font-size: 1.02rem;
}

.about-copy p strong {
    color: var(--text);
    font-weight: 600;
}

.about-list {
    list-style: none;
    margin-top: 1.8rem;
    display: grid;
    gap: 0.9rem;
}

.about-list li {
    display: flex;
    gap: 0.75rem;
    align-items: flex-start;
    color: var(--text);
}

.about-list svg {
    width: 20px;
    height: 20px;
    color: var(--accent-bright);
    flex-shrink: 0;
    margin-top: 3px;
}

/* Showcase frame (image carousel) */
.showcase {
    position: relative;
    border: 1px solid var(--border);
    border-radius: var(--radius);
    overflow: hidden;
    background: var(--surface);
    box-shadow: 0 30px 60px -30px rgba(0, 0, 0, 0.7);
}

.showcase-bar {
    display: flex;
    align-items: center;
    gap: 0.4rem;
    padding: 0.75rem 1rem;
    border-bottom: 1px solid var(--border);
    background: var(--surface-2);
}

.showcase-bar i {
    width: 11px;
    height: 11px;
    border-radius: 50%;
    background: var(--border-strong);
}

.showcase-bar span {
    margin-left: auto;
    font-family: var(--font-mono);
    font-size: 0.75rem;
    color: var(--text-faint);
}

.showcase-viewport {
    position: relative;
    aspect-ratio: 16 / 10;
    overflow: hidden;
}

.showcase-slides {
    display: flex;
    height: 100%;
    transition: transform 0.6s var(--ease);
}

.showcase-slides img {
    min-width: 100%;
    height: 100%;
    object-fit: cover;
}

.showcase-dots {
    position: absolute;
    bottom: 0.9rem;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    gap: 0.4rem;
}

.showcase-dots button {
    width: 7px;
    height: 7px;
    border-radius: 50%;
    border: none;
    background: rgba(255, 255, 255, 0.4);
    cursor: pointer;
    transition: width 0.3s, background 0.3s;
}

.showcase-dots button.active {
    width: 22px;
    border-radius: 4px;
    background: var(--accent-bright);
}

/* ---------- Work / Projects ---------- */
.work-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
    gap: 1.5rem;
}

.work-card {
    display: block;
    border: 1px solid var(--border);
    border-radius: var(--radius);
    overflow: hidden;
    background: var(--surface);
    transition: transform 0.35s var(--ease), border-color 0.35s;
    cursor: pointer;
}

.work-card:hover {
    transform: translateY(-6px);
    border-color: var(--border-strong);
}

.work-thumb {
    aspect-ratio: 16 / 10;
    overflow: hidden;
    position: relative;
    background: var(--surface-2);
}

.work-thumb img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s var(--ease);
}

.work-card:hover .work-thumb img {
    transform: scale(1.05);
}

.work-body {
    padding: 1.3rem 1.4rem 1.5rem;
}

.work-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 0.45rem;
    margin-bottom: 0.85rem;
}

.tag {
    font-family: var(--font-mono);
    font-size: 0.72rem;
    letter-spacing: 0.04em;
    text-transform: uppercase;
    color: var(--accent-bright);
    background: var(--accent-soft);
    padding: 0.25rem 0.6rem;
    border-radius: 100px;
}

.work-body h3 {
    font-family: var(--font-display);
    font-weight: 600;
    font-size: 1.2rem;
    margin-bottom: 0.4rem;
}

.work-body p {
    color: var(--text-muted);
    font-size: 0.93rem;
}

.work-date {
    margin-top: 0.9rem;
    font-family: var(--font-mono);
    font-size: 0.78rem;
    color: var(--text-faint);
}

/* ---------- Contact ---------- */
#contact {
    background: var(--bg-soft);
    border-top: 1px solid var(--border);
}

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

.form {
    display: grid;
    gap: 1.1rem;
}

.field {
    display: grid;
    gap: 0.45rem;
}

.field label {
    font-size: 0.85rem;
    color: var(--text-muted);
}

.field input,
.field textarea {
    width: 100%;
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    color: var(--text);
    font: inherit;
    font-size: 0.97rem;
    padding: 0.85rem 1rem;
    transition: border-color 0.2s, box-shadow 0.2s;
}

.field input::placeholder,
.field textarea::placeholder {
    color: var(--text-faint);
}

.field input:focus,
.field textarea:focus {
    outline: none;
    border-color: var(--accent);
    box-shadow: 0 0 0 3px var(--accent-soft);
}

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

/* honeypot — hidden from humans */
.hp {
    position: absolute;
    left: -9999px;
    width: 1px;
    height: 1px;
    overflow: hidden;
}

.form-status {
    font-size: 0.92rem;
    min-height: 1.2em;
}

.form-status.ok {
    color: #4ade80;
}

.form-status.err {
    color: #f87171;
}

.contact-info {
    display: grid;
    gap: 0.5rem;
}

.info-row {
    display: flex;
    gap: 1rem;
    align-items: center;
    padding: 1.1rem 0;
    border-bottom: 1px solid var(--border);
}

.info-row:last-of-type {
    border-bottom: none;
}

.info-row .ic {
    width: 42px;
    height: 42px;
    flex-shrink: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 10px;
    background: var(--accent-soft);
    color: var(--accent-bright);
}

.info-row .ic svg {
    width: 20px;
    height: 20px;
}

.info-row h4 {
    font-size: 0.78rem;
    font-family: var(--font-mono);
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: var(--text-faint);
    font-weight: 500;
    margin-bottom: 0.1rem;
}

.info-row a,
.info-row p {
    color: var(--text);
    font-size: 0.98rem;
}

.info-row a:hover {
    color: var(--accent-bright);
}

.socials {
    display: flex;
    gap: 0.6rem;
    margin-top: 1.6rem;
}

.socials a {
    width: 44px;
    height: 44px;
    display: flex;
    align-items: center;
    justify-content: center;
    border: 1px solid var(--border);
    border-radius: 10px;
    color: var(--text-muted);
    transition: color 0.2s, border-color 0.2s, transform 0.2s;
}

.socials a:hover {
    color: var(--accent-bright);
    border-color: var(--accent);
    transform: translateY(-2px);
}

.socials svg {
    width: 20px;
    height: 20px;
}

/* ---------- Footer ---------- */
.site-footer {
    border-top: 1px solid var(--border);
    padding: 3.5rem 0 2rem;
}

.footer-top {
    display: grid;
    grid-template-columns: 1.5fr 1fr 1fr;
    gap: 2.5rem;
    padding-bottom: 2.5rem;
    border-bottom: 1px solid var(--border);
}

.footer-top .brand {
    margin-bottom: 1rem;
}

.footer-col p {
    color: var(--text-muted);
    font-size: 0.95rem;
    max-width: 320px;
}

.footer-col h5 {
    font-family: var(--font-mono);
    font-size: 0.78rem;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--text-faint);
    margin-bottom: 1.1rem;
    font-weight: 500;
}

.footer-col ul {
    list-style: none;
    display: grid;
    gap: 0.65rem;
}

.footer-col ul a {
    color: var(--text-muted);
    font-size: 0.95rem;
    transition: color 0.2s;
}

.footer-col ul a:hover {
    color: var(--text);
}

.footer-bottom {
    display: flex;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 1rem;
    padding-top: 1.8rem;
    color: var(--text-faint);
    font-size: 0.88rem;
}

/* ---------- Reveal on scroll ---------- */
.reveal {
    opacity: 0;
    transform: translateY(24px);
    transition: opacity 0.7s var(--ease), transform 0.7s var(--ease);
}

.reveal.in {
    opacity: 1;
    transform: none;
}

@media (prefers-reduced-motion: reduce) {
    .reveal {
        opacity: 1;
        transform: none;
        transition: none;
    }
    html {
        scroll-behavior: auto;
    }
}

/* ---------- Responsive ---------- */
@media (max-width: 860px) {
    .about-grid,
    .contact-grid {
        grid-template-columns: 1fr;
    }
    .about-visual {
        order: -1;
    }
    .footer-top {
        grid-template-columns: 1fr 1fr;
    }
    .footer-col:first-child {
        grid-column: 1 / -1;
    }
}

@media (max-width: 768px) {
    .nav {
        display: none;
    }
    .menu-btn {
        display: flex;
    }
    .hero-meta {
        gap: 1.8rem;
    }
}

@media (max-width: 480px) {
    .footer-top {
        grid-template-columns: 1fr;
    }
    .hero-actions {
        flex-direction: column;
    }
    .hero-actions .btn {
        width: 100%;
        justify-content: center;
    }
}