:root {
    --ink: #0b0f17;
    --wine: #7a1f2b;
    --teal: #4a7c88;
    --mist: #e6e9ed;
    --paper: #f7f8fa;
    --white: #ffffff;
    --muted: #9ca6b5;
    --line: rgba(255, 255, 255, 0.11);
    --line-dark: rgba(11, 15, 23, 0.12);
    --shadow: 0 28px 80px rgba(1, 5, 12, 0.22);
    --radius-sm: 14px;
    --radius-md: 24px;
    --radius-lg: 38px;
    --shell: min(1180px, calc(100vw - 40px));
    --font: "Segoe UI", Tahoma, Arial, sans-serif;
}

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

html { scroll-behavior: smooth; background: var(--ink); }

body {
    margin: 0;
    min-width: 320px;
    background: var(--ink);
    color: var(--white);
    font-family: var(--font);
    font-size: 16px;
    line-height: 1.75;
    text-rendering: optimizeLegibility;
    -webkit-font-smoothing: antialiased;
    overflow-x: hidden;
}

html[lang="ar"] .t-en,
html[lang="en"] .t-ar { display: none !important; }

html[lang="ar"] .language-toggle__en,
html[lang="en"] .language-toggle__ar { display: none; }

html[lang="en"] body { letter-spacing: -0.01em; }

img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
button, input, textarea, select { font: inherit; }
button { color: inherit; }

.shell { width: var(--shell); margin-inline: auto; }
.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; }
.skip-link { position: fixed; inset-block-start: 10px; inset-inline-start: 10px; z-index: 9999; transform: translateY(-150%); background: var(--white); color: var(--ink); padding: 10px 16px; border-radius: 10px; }
.skip-link:focus { transform: translateY(0); }

.site-header {
    position: fixed;
    inset: 0 0 auto;
    z-index: 1000;
    background: rgba(8, 12, 19, 0.72);
    border-bottom: 1px solid transparent;
    backdrop-filter: blur(18px);
    transition: background .25s ease, border-color .25s ease, transform .25s ease;
}

.site-header.is-scrolled { background: rgba(8, 12, 19, 0.93); border-color: var(--line); }
.site-header__inner { min-height: 84px; display: flex; align-items: center; gap: 34px; }

.personal-mark { display: inline-flex; align-items: center; gap: 12px; flex: 0 0 auto; }
.personal-mark__symbol { width: 50px; height: 50px; display: grid; place-items: center; border: 1px solid var(--line); border-radius: 15px; color: var(--white); font-weight: 850; font-size: 1.18rem; letter-spacing: -0.08em; background: linear-gradient(145deg, rgba(255,255,255,.08), rgba(255,255,255,.015)); }
.personal-mark__symbol span { color: var(--wine); }
.personal-mark__name { display: grid; line-height: 1.1; }
.personal-mark__name b { font-size: .94rem; }
.personal-mark__name small { margin-top: 5px; color: var(--muted); font-size: .65rem; letter-spacing: .14em; text-transform: uppercase; }

.main-nav { display: flex; align-items: center; justify-content: center; gap: 28px; margin-inline: auto; }
.main-nav a { position: relative; color: #c7ced8; font-size: .88rem; font-weight: 600; transition: color .2s ease; }
.main-nav a::after { content: ""; position: absolute; inset-inline: 0; inset-block-end: -9px; height: 2px; background: var(--wine); transform: scaleX(0); transform-origin: center; transition: transform .2s ease; }
.main-nav a:hover, .main-nav a:focus-visible { color: var(--white); }
.main-nav a:hover::after, .main-nav a:focus-visible::after { transform: scaleX(1); }

.language-toggle { width: 45px; height: 45px; border-radius: 50%; border: 1px solid var(--line); background: transparent; cursor: pointer; font-weight: 800; font-size: .76rem; transition: background .2s ease, border-color .2s ease; }
.language-toggle:hover { background: rgba(255,255,255,.08); border-color: rgba(255,255,255,.28); }
.menu-toggle { display: none; width: 44px; height: 44px; border: 0; background: transparent; cursor: pointer; }
.menu-toggle > span:not(.sr-only) { display: block; width: 23px; height: 2px; margin: 6px auto; background: var(--white); transition: transform .2s ease; }

.preview-bar { position: fixed; z-index: 1100; inset: 84px 0 auto; display: flex; align-items: center; justify-content: center; gap: 18px; padding: 8px 20px; background: #ad7b22; color: #fff; font-size: .82rem; }
.preview-bar a { text-decoration: underline; font-weight: 800; }
.preview-bar + main .hero, .preview-bar + main .project-hero { padding-top: 185px; }

.hero {
    min-height: 100svh;
    padding-block: 154px 80px;
    display: grid;
    grid-template-columns: minmax(0, 1.08fr) minmax(360px, .72fr);
    align-items: center;
    gap: clamp(50px, 7vw, 100px);
    position: relative;
}

.hero::before { content: ""; position: absolute; width: 62vw; height: 62vw; inset-inline-start: -30vw; inset-block-start: -32vw; border-radius: 50%; background: radial-gradient(circle, rgba(74,124,136,.18), transparent 66%); pointer-events: none; }
.hero::after { content: ""; position: absolute; inset: auto 0 28px; height: 1px; background: linear-gradient(90deg, transparent, rgba(255,255,255,.18), transparent); }
.hero__content { position: relative; z-index: 1; }
.eyebrow { display: flex; align-items: center; gap: 12px; color: #aab5c3; font-size: .76rem; font-weight: 700; letter-spacing: .08em; text-transform: uppercase; }
.eyebrow__line { width: 42px; height: 2px; background: linear-gradient(90deg, var(--wine), var(--teal)); }
.hero__name { margin: 36px 0 10px; color: var(--teal); font-size: .9rem; font-weight: 700; }
.hero__role { margin: 0 0 10px; color: #929ead; font-size: .76rem; font-weight: 650; }
.hero h1 { max-width: 820px; margin: 0; font-size: clamp(2.65rem, 5.2vw, 5.5rem); line-height: 1.08; letter-spacing: -.055em; text-wrap: balance; }
html[lang="ar"] .hero h1 { letter-spacing: -.035em; line-height: 1.28; }
.hero__body { max-width: 690px; margin-top: 26px; color: #b4bdc9; font-size: clamp(1rem, 1.4vw, 1.14rem); }
.hero__body > div { display: block; }
.hero__actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 34px; }

.button { min-height: 52px; display: inline-flex; align-items: center; justify-content: center; gap: 12px; padding: 11px 22px; border: 1px solid transparent; border-radius: 999px; font-size: .9rem; font-weight: 800; transition: transform .2s ease, background .2s ease, border-color .2s ease; }
.button svg, .round-link svg, .back-link svg { width: 19px; fill: none; stroke: currentColor; stroke-width: 1.8; stroke-linecap: round; stroke-linejoin: round; }
html[dir="rtl"] .button svg, html[dir="rtl"] .round-link svg { transform: scaleX(-1); }
.button:hover { transform: translateY(-2px); }
.button--primary { background: var(--wine); color: var(--white); box-shadow: 0 14px 35px color-mix(in srgb, var(--wine) 34%, transparent); }
.button--primary:hover { background: color-mix(in srgb, var(--wine) 84%, white); }
.button--ghost { border-color: var(--line); color: #dbe1e8; background: rgba(255,255,255,.025); }
.button--ghost:hover { border-color: rgba(255,255,255,.28); background: rgba(255,255,255,.06); }

.hero__proof { margin-top: 48px; display: grid; grid-template-columns: .7fr .7fr 1.35fr; border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.hero__proof > div { min-height: 92px; display: grid; align-content: center; padding: 14px 20px; border-inline-start: 1px solid var(--line); }
.hero__proof > div:first-child { border-inline-start: 0; padding-inline-start: 0; }
.hero__proof strong { font-size: 1.15rem; line-height: 1.2; }
.hero__proof span { margin-top: 6px; color: var(--muted); font-size: .75rem; }

.hero__visual { position: relative; min-height: 590px; }
.hero__image-frame { position: absolute; inset: 0 36px 46px 0; border-radius: 160px 24px 120px 24px; overflow: hidden; background: #dde2e8; box-shadow: var(--shadow); isolation: isolate; }
html[dir="ltr"] .hero__image-frame { inset: 0 0 46px 36px; border-radius: 24px 160px 24px 120px; }
.hero__image-frame::before { content: ""; position: absolute; inset: 0; z-index: 1; background: linear-gradient(180deg, transparent 55%, rgba(7,12,19,.55)); pointer-events: none; }
.hero__image-frame::after { content: ""; position: absolute; z-index: 2; inset-block-start: 0; inset-inline-end: 0; width: 28%; height: 18px; background: var(--wine); }
.hero__image-frame img { width: 100%; height: 100%; object-fit: cover; object-position: center 20%; filter: saturate(.84) contrast(1.03); }
.hero__image-code { position: absolute; z-index: 3; inset-inline-start: 28px; inset-block-end: 22px; font-size: .65rem; font-weight: 800; letter-spacing: .18em; }
.availability-card { position: absolute; z-index: 4; inset-inline-start: -22px; inset-block-end: 0; max-width: 295px; display: flex; gap: 13px; align-items: center; padding: 17px 18px; border: 1px solid rgba(255,255,255,.16); border-radius: 18px; background: rgba(13,20,29,.91); backdrop-filter: blur(14px); box-shadow: var(--shadow); }
.availability-card__signal { width: 11px; height: 11px; flex: 0 0 auto; border-radius: 50%; background: var(--teal); box-shadow: 0 0 0 7px rgba(74,124,136,.15); }
.availability-card div { display: grid; }
.availability-card strong { font-size: .8rem; }
.availability-card small { color: var(--muted); font-size: .7rem; }
.hero__rail { position: absolute; inset-block-start: 42px; inset-inline-end: 0; z-index: 3; display: grid; gap: 7px; }
.hero__rail span { display: block; width: 56px; height: 7px; transform: skewX(-28deg); background: var(--teal); opacity: .76; }
.hero__rail span:nth-child(2) { width: 42px; background: var(--wine); }
.hero__rail span:nth-child(3) { width: 28px; }

.section { padding-block: clamp(90px, 11vw, 150px); }
.section-heading { display: grid; grid-template-columns: minmax(0, 1.35fr) minmax(260px, .65fr); align-items: end; gap: 60px; margin-bottom: 56px; color: var(--ink); }
.section-heading h2 { margin: 12px 0 0; max-width: 790px; font-size: clamp(2.15rem, 4.3vw, 4.3rem); line-height: 1.14; letter-spacing: -.05em; text-wrap: balance; }
html[lang="ar"] .section-heading h2 { line-height: 1.35; letter-spacing: -.035em; }
.section-heading > p { margin: 0; color: #5e6875; }
.section-heading--light { color: var(--white); }
.section-heading--light > p { color: #aeb7c3; }
.section-label { color: var(--teal); font-size: .74rem; font-weight: 850; letter-spacing: .13em; text-transform: uppercase; }

.projects-section { background: var(--paper); color: var(--ink); border-radius: 46px 46px 0 0; }
.project-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 30px; }
.project-card { min-width: 0; overflow: hidden; border: 1px solid var(--line-dark); border-radius: var(--radius-md); background: var(--white); box-shadow: 0 18px 45px rgba(22,30,42,.06); }
.project-card--lead { grid-column: 1 / -1; display: grid; grid-template-columns: 1.18fr .82fr; }
.project-card__image { position: relative; display: block; min-height: 335px; overflow: hidden; background: #dfe4e9; }
.project-card--lead .project-card__image { min-height: 500px; }
.project-card__image::after { content: ""; position: absolute; inset: 0; background: linear-gradient(180deg, transparent 58%, rgba(5,9,15,.5)); opacity: .62; transition: opacity .3s ease; }
.project-card__image img { width: 100%; height: 100%; object-fit: cover; transition: transform .6s cubic-bezier(.2,.7,.2,1); }
.project-card:hover .project-card__image img { transform: scale(1.035); }
.project-card:hover .project-card__image::after { opacity: .82; }
.project-card__number { position: absolute; z-index: 2; inset-inline-start: 18px; inset-block-start: 18px; display: grid; place-items: center; width: 48px; height: 48px; border-radius: 50%; background: rgba(8,13,21,.78); color: white; backdrop-filter: blur(10px); font-size: .72rem; font-weight: 800; letter-spacing: .08em; }
.draft-badge { display: inline-flex; align-items: center; padding: 5px 10px; border-radius: 99px; background: #b7791f; color: white; font-size: .68rem; font-weight: 800; }
.project-card__image > .draft-badge { position: absolute; z-index: 3; inset-inline-end: 18px; inset-block-start: 18px; }
.project-card__content { display: flex; flex-direction: column; min-height: 320px; padding: 30px; border-top: 4px solid var(--project-accent); }
.project-card--lead .project-card__content { border-top: 0; border-inline-start: 4px solid var(--project-accent); padding: clamp(32px, 4vw, 56px); justify-content: center; }
.project-card__meta { display: flex; align-items: center; justify-content: space-between; gap: 15px; color: #6d7784; font-size: .73rem; font-weight: 750; }
.project-card__meta span:first-child { color: var(--project-accent); }
.project-card h3 { margin: 18px 0 12px; font-size: clamp(1.45rem, 2.3vw, 2.35rem); line-height: 1.25; letter-spacing: -.035em; }
.project-card h3 a:hover { color: var(--project-accent); }
.project-card p { margin: 0; color: #5e6875; font-size: .93rem; }
.project-card__footer { display: flex; align-items: flex-end; justify-content: space-between; gap: 18px; margin-top: auto; padding-top: 26px; }
.technology-line { max-width: 82%; color: #86909c; font-size: .7rem; line-height: 1.8; direction: ltr; text-align: start; }
.round-link { width: 46px; height: 46px; flex: 0 0 auto; display: grid; place-items: center; border: 1px solid var(--line-dark); border-radius: 50%; transition: background .2s, color .2s, transform .2s; }
.project-card:hover .round-link { background: var(--project-accent); color: #fff; border-color: transparent; transform: rotate(-10deg); }

.expertise-section { position: relative; background: var(--ink); overflow: hidden; }
.expertise-section::before { content: ""; position: absolute; inset: 0; pointer-events: none; background: radial-gradient(circle at 80% 30%, rgba(74,124,136,.15), transparent 30%), linear-gradient(rgba(255,255,255,.025) 1px, transparent 1px), linear-gradient(90deg, rgba(255,255,255,.025) 1px, transparent 1px); background-size: auto, 64px 64px, 64px 64px; mask-image: linear-gradient(black, transparent 90%); }
.expertise-section .shell { position: relative; z-index: 1; }
.expertise-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); border-top: 1px solid var(--line); border-inline-start: 1px solid var(--line); }
.expertise-card { padding: 34px; border-inline-end: 1px solid var(--line); border-bottom: 1px solid var(--line); background: rgba(255,255,255,.015); }
.expertise-card__head { display: flex; align-items: baseline; gap: 17px; margin-bottom: 25px; }
.expertise-card__head > span { color: var(--wine); font-size: .68rem; font-weight: 900; }
.expertise-card h3 { margin: 0; font-size: 1.4rem; }
.expertise-card__items { display: grid; gap: 18px; }
.skill-item { display: grid; grid-template-columns: minmax(145px, .78fr) 1.22fr; gap: 16px; padding-top: 17px; border-top: 1px solid rgba(255,255,255,.075); }
.skill-item strong { font-size: .83rem; }
.skill-item p { margin: 0; color: #9da7b4; font-size: .78rem; line-height: 1.65; }

.experience-section { background: #eef1f4; color: var(--ink); }
.experience-layout { display: grid; grid-template-columns: .82fr 1.18fr; gap: clamp(50px, 8vw, 110px); align-items: start; }
.section-heading--sticky { position: sticky; top: 120px; display: block; margin-bottom: 0; }
.section-heading--sticky h2 { font-size: clamp(2.2rem, 4vw, 4rem); }
.timeline { border-top: 1px solid var(--line-dark); }
.timeline-item { display: grid; grid-template-columns: 54px 1fr; gap: 24px; padding: 32px 0; border-bottom: 1px solid var(--line-dark); }
.timeline-item__index { display: grid; place-items: center; align-self: start; width: 45px; height: 45px; border-radius: 50%; background: var(--ink); color: var(--white); font-size: .66rem; font-weight: 850; }
.timeline-item__meta { display: flex; flex-wrap: wrap; justify-content: space-between; gap: 10px; color: #66717f; font-size: .76rem; font-weight: 700; }
.timeline-item h3 { margin: 12px 0 8px; font-size: 1.45rem; }
.timeline-item p { margin: 0; color: #5d6875; font-size: .9rem; }

.about-section { background: var(--white); color: var(--ink); }
.about-layout { display: grid; grid-template-columns: .65fr 1.35fr; gap: clamp(50px, 9vw, 130px); align-items: center; }
.about-section__mark { min-height: 400px; display: grid; place-items: center; border-radius: 160px 24px 110px 24px; background: var(--ink); color: var(--white); font-size: clamp(5rem, 12vw, 10rem); font-weight: 900; letter-spacing: -.12em; box-shadow: var(--shadow); position: relative; overflow: hidden; }
.about-section__mark::before { content: ""; position: absolute; width: 70%; height: 18px; inset-inline-end: -12%; inset-block-start: 16%; background: var(--wine); transform: skewX(-30deg); }
.about-section__mark::after { content: ""; position: absolute; width: 55%; height: 13px; inset-inline-start: -10%; inset-block-end: 18%; background: var(--teal); transform: skewX(-30deg); }
.about-section__content h2 { margin: 14px 0 24px; font-size: clamp(2.3rem, 4.4vw, 4.5rem); line-height: 1.18; letter-spacing: -.05em; }
html[lang="ar"] .about-section__content h2 { line-height: 1.4; }
.about-copy { color: #596471; font-size: 1.02rem; }
.about-values { display: flex; flex-wrap: wrap; gap: 9px; margin-top: 30px; }
.about-values > span { padding: 9px 13px; border: 1px solid var(--line-dark); border-radius: 999px; color: #4c5764; font-size: .74rem; font-weight: 700; }

.contact-section { padding-top: 40px; background: var(--white); }
.contact-card { display: grid; grid-template-columns: 1.15fr .85fr; gap: 70px; padding: clamp(42px, 7vw, 78px); border-radius: var(--radius-lg); background: var(--ink); box-shadow: var(--shadow); position: relative; overflow: hidden; }
.contact-card::after { content: ""; position: absolute; width: 360px; height: 360px; border: 70px solid rgba(74,124,136,.1); border-radius: 50%; inset-inline-end: -180px; inset-block-end: -190px; }
.contact-card > * { position: relative; z-index: 1; }
.contact-card h2 { margin: 13px 0 16px; font-size: clamp(2.2rem, 4.4vw, 4.2rem); line-height: 1.2; letter-spacing: -.05em; }
html[lang="ar"] .contact-card h2 { line-height: 1.4; }
.contact-card p { max-width: 640px; margin: 0; color: #aeb8c5; }
.contact-actions { display: grid; align-content: center; gap: 12px; }
.contact-link { display: grid; gap: 4px; padding: 20px; border: 1px solid var(--line); border-radius: 16px; background: rgba(255,255,255,.025); transition: border-color .2s, transform .2s, background .2s; overflow-wrap: anywhere; }
.contact-link:hover { transform: translateY(-2px); border-color: rgba(255,255,255,.3); background: rgba(255,255,255,.055); }
.contact-link--primary { border-color: color-mix(in srgb, var(--teal) 60%, transparent); }
.contact-link span { color: #8d98a7; font-size: .72rem; }
.contact-link strong { font-size: .9rem; direction: ltr; text-align: start; }

.site-footer { padding-block: 80px 35px; background: var(--white); color: var(--ink); }
.site-footer__grid { display: grid; grid-template-columns: 1.2fr .8fr .8fr; gap: 50px; align-items: end; padding-top: 44px; border-top: 1px solid var(--line-dark); }
.personal-mark--footer .personal-mark__symbol { background: var(--ink); }
.personal-mark--footer .personal-mark__name small { color: #707b88; }
.site-footer p { max-width: 430px; color: #65707c; font-size: .8rem; }
.site-footer__links, .site-footer__meta { display: grid; gap: 8px; font-size: .78rem; }
.site-footer__links a:hover { color: var(--wine); }
.site-footer__meta { color: #77818d; }

.project-hero { min-height: 90svh; padding-block: 145px 75px; display: flex; align-items: center; position: relative; overflow: hidden; background: var(--ink); }
.project-hero::before { content: ""; position: absolute; width: 620px; height: 620px; inset-inline-end: -280px; inset-block-start: -260px; border: 120px solid color-mix(in srgb, var(--project-accent) 12%, transparent); border-radius: 50%; }
.project-hero::after { content: ""; position: absolute; inset: auto 0 0; height: 5px; background: linear-gradient(90deg, transparent 0 20%, var(--project-accent) 20% 55%, var(--wine) 55% 70%, transparent 70%); }
.project-hero .shell { position: relative; z-index: 1; }
.back-link { display: inline-flex; align-items: center; gap: 9px; margin-bottom: 38px; color: #abb5c2; font-size: .8rem; font-weight: 700; }
.back-link:hover { color: var(--white); }
.back-link svg { width: 17px; }
html[dir="ltr"] .back-link svg { transform: scaleX(-1); }
.project-hero__grid { display: grid; grid-template-columns: .88fr 1.12fr; align-items: center; gap: clamp(50px, 7vw, 100px); }
.project-hero__meta { display: flex; flex-wrap: wrap; gap: 10px 25px; color: var(--project-accent); font-size: .76rem; font-weight: 800; }
.project-hero__meta span:not(.draft-badge) + span:not(.draft-badge)::before { content: "•"; margin-inline-end: 25px; color: #596575; }
.project-hero h1 { margin: 19px 0 22px; font-size: clamp(2.8rem, 5.4vw, 5.7rem); line-height: 1.08; letter-spacing: -.055em; }
html[lang="ar"] .project-hero h1 { line-height: 1.3; }
.project-hero__content > p { max-width: 660px; margin: 0; color: #afb8c5; font-size: 1.03rem; }
.project-hero__facts { display: grid; grid-template-columns: repeat(2, 1fr); gap: 18px; margin: 38px 0 0; padding-top: 24px; border-top: 1px solid var(--line); }
.project-hero__facts div { display: grid; gap: 6px; }
.project-hero__facts dt { color: #7f8a99; font-size: .68rem; font-weight: 800; text-transform: uppercase; letter-spacing: .09em; }
.project-hero__facts dd { margin: 0; font-size: .8rem; }
.project-external-links { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 22px; }
.project-external-links a { padding: 9px 14px; border: 1px solid rgba(255,255,255,.18); border-radius: 999px; color: #dce3ea; font-size: .74rem; font-weight: 800; transition: border-color .2s, background .2s; }
.project-external-links a:hover { border-color: var(--project-accent); background: rgba(255,255,255,.05); }
.project-hero__visual { min-width: 0; position: relative; padding: 0; border: 1px solid rgba(255,255,255,.15); border-radius: 30px; overflow: hidden; background: #111a25; cursor: zoom-in; box-shadow: var(--shadow); aspect-ratio: 16/11; }
.project-hero__visual::after { content: ""; position: absolute; inset: 0; box-shadow: inset 0 -90px 100px rgba(5,8,13,.48); pointer-events: none; }
.project-hero__visual img { width: 100%; height: 100%; object-fit: cover; transition: transform .55s ease; }
.project-hero__visual:hover img { transform: scale(1.025); }
.project-hero__visual span { position: absolute; z-index: 2; inset-inline-start: 20px; inset-block-end: 17px; font-size: .68rem; font-weight: 800; letter-spacing: .08em; }

.project-story { padding-block: 110px; color: var(--ink); }
.project-page main { background: var(--paper); }
.case-section { display: grid; grid-template-columns: .78fr 1.22fr; gap: clamp(35px, 7vw, 100px); padding-block: 70px; border-bottom: 1px solid var(--line-dark); }
.case-section__heading { display: grid; align-content: start; gap: 18px; }
.case-section__heading h2, .case-section__content h2 { margin: 0; font-size: clamp(1.9rem, 3.3vw, 3.3rem); line-height: 1.22; letter-spacing: -.045em; }
html[lang="ar"] .case-section__heading h2, html[lang="ar"] .case-section__content h2 { line-height: 1.45; }
.section-index { color: var(--teal); font-size: .65rem; font-weight: 900; letter-spacing: .14em; }
.project-copy { color: #596572; font-size: clamp(.97rem, 1.25vw, 1.08rem); }
.case-section--dark { margin-block: 60px; padding: clamp(40px, 7vw, 80px); border: 0; border-radius: 34px; background: var(--ink); color: var(--white); }
.case-section--dark .project-copy { color: #a9b4c1; }
.case-section--compact { max-width: 900px; margin-inline: auto; }
.case-section--image { grid-template-columns: .8fr 1.2fr; align-items: center; }
.case-section__content { display: grid; gap: 18px; align-content: center; }
.project-visual { padding: 0; border: 0; border-radius: 24px; overflow: hidden; background: #dce1e6; cursor: zoom-in; box-shadow: 0 20px 60px rgba(16,24,35,.11); }
.project-visual img { width: 100%; }

.case-section--gallery { display: block; }
.case-section--gallery .case-section__heading { grid-template-columns: auto 1fr; align-items: center; margin-bottom: 12px; }
.case-section--gallery .project-copy { max-width: 800px; }
.case-gallery { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 18px; margin-top: 36px; }
.case-gallery--single { grid-template-columns: 1fr; }
.case-gallery__item { position: relative; min-height: 330px; max-height: 720px; padding: 0; border: 0; border-radius: 22px; overflow: hidden; background: #dce1e6; cursor: zoom-in; }
.case-gallery__item img { width: 100%; height: 100%; object-fit: cover; transition: transform .55s ease; }
.case-gallery__item:hover img { transform: scale(1.025); }
.case-gallery__item > span { position: absolute; inset-inline-start: 15px; inset-block-start: 15px; display: grid; place-items: center; width: 38px; height: 38px; border-radius: 50%; background: rgba(8,13,21,.78); color: white; font-size: .65rem; font-weight: 900; backdrop-filter: blur(8px); }

.metric-grid { grid-column: 1 / -1; display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 1px; margin-top: 15px; background: var(--line-dark); border: 1px solid var(--line-dark); }
.metric-card { min-height: 210px; display: flex; flex-direction: column; padding: 28px; background: var(--white); }
.metric-card strong { color: var(--wine); font-size: 1.35rem; }
.metric-card > span { margin-top: 8px; font-weight: 800; }
.metric-card p { margin: auto 0 0; color: #6b7683; font-size: .76rem; }

.case-section--process, .case-section--architecture { display: block; }
.case-section--process .case-section__heading, .case-section--architecture .case-section__heading { grid-template-columns: auto 1fr; align-items: start; margin-bottom: 15px; }
.process-flow, .architecture-flow { display: grid; grid-template-columns: repeat(5, minmax(0, 1fr)); gap: 14px; margin-top: 40px; }
.flow-node { position: relative; min-height: 205px; padding: 25px 20px; border: 1px solid var(--line-dark); border-radius: 19px; background: var(--white); }
.flow-node::after { content: ""; position: absolute; inset-block-start: 50%; inset-inline-end: -15px; width: 15px; height: 1px; background: var(--teal); }
.flow-node:last-child::after { display: none; }
.flow-node__number { display: block; margin-bottom: 30px; color: var(--teal); font-size: .67rem; font-weight: 900; letter-spacing: .08em; }
.flow-node h3 { margin: 0; font-size: 1rem; }
.flow-node p { margin: 6px 0; color: #5c6774; font-size: .76rem; font-weight: 700; }
.flow-node small { display: block; margin-top: 13px; color: #7b8591; font-size: .68rem; line-height: 1.5; }
.case-section--architecture.case-section--dark .flow-node { border-color: var(--line); background: rgba(255,255,255,.035); }
.case-section--architecture.case-section--dark .flow-node p, .case-section--architecture.case-section--dark .flow-node small { color: #9aa5b2; }
.case-quote { margin: 70px 0; padding: 50px; border: 0; border-inline-start: 6px solid var(--wine); border-radius: 0 26px 26px 0; background: var(--white); color: var(--ink); font-size: 1.45rem; font-weight: 700; }
html[dir="ltr"] .case-quote { border-radius: 26px 0 0 26px; }

.related-projects { padding-block: 105px; background: var(--ink); }
.related-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 20px; }
.related-card { display: grid; grid-template-rows: 250px auto auto; gap: 7px; }
.related-card img { width: 100%; height: 250px; object-fit: cover; border-radius: 20px; border-bottom: 4px solid var(--project-accent); transition: transform .35s ease; }
.related-card:hover img { transform: translateY(-5px); }
.related-card > span { margin-top: 12px; color: var(--project-accent); font-size: .7rem; font-weight: 800; }
.related-card h3 { margin: 0; font-size: 1.2rem; }
.project-cta { margin-block: 100px; padding: 55px; display: flex; align-items: center; justify-content: space-between; gap: 40px; border-radius: 28px; background: var(--white); color: var(--ink); box-shadow: 0 22px 60px rgba(13,20,30,.08); }
.project-cta span { color: var(--teal); font-size: .66rem; font-weight: 900; letter-spacing: .14em; }
.project-cta h2 { margin: 8px 0 0; font-size: clamp(2rem, 4vw, 3.7rem); line-height: 1.2; }

.not-found { min-height: 80svh; display: grid; place-items: center; align-content: center; text-align: center; padding-top: 120px; }
.not-found > span { color: var(--wine); font-size: 7rem; font-weight: 900; line-height: 1; }
.not-found h1 { font-size: clamp(2rem, 5vw, 4rem); }

.lightbox { width: min(94vw, 1500px); max-width: none; max-height: 92vh; padding: 0; border: 0; border-radius: 20px; overflow: hidden; background: #070b11; box-shadow: 0 40px 120px rgba(0,0,0,.6); }
.lightbox::backdrop { background: rgba(3,6,10,.88); backdrop-filter: blur(8px); }
.lightbox img { width: 100%; max-height: 92vh; object-fit: contain; }
.lightbox__close { position: fixed; z-index: 3; inset-block-start: 20px; inset-inline-end: 22px; width: 48px; height: 48px; border: 1px solid rgba(255,255,255,.25); border-radius: 50%; background: rgba(7,11,17,.72); color: white; font-size: 1.5rem; cursor: pointer; backdrop-filter: blur(10px); }

.reveal { opacity: 0; transform: translateY(24px); transition: opacity .65s ease, transform .65s ease; }
.reveal.is-visible { opacity: 1; transform: translateY(0); }

@media (min-width: 1081px) {
    .flow-node:nth-child(5n)::after { display: none; }
}

@media (max-width: 1080px) {
    .main-nav { gap: 18px; }
    .hero { grid-template-columns: 1fr .7fr; gap: 45px; }
    .hero__visual { min-height: 520px; }
    .project-card--lead { grid-template-columns: 1fr 1fr; }
    .process-flow, .architecture-flow { grid-template-columns: repeat(3, minmax(0, 1fr)); }
    .flow-node:nth-child(3n)::after { display: none; }
    .metric-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 860px) {
    :root { --shell: min(100% - 28px, 720px); }
    .site-header__inner { min-height: 72px; }
    .personal-mark__name { display: none; }
    .menu-toggle { display: block; margin-inline-start: auto; }
    .main-nav { position: fixed; inset: 72px 0 auto; display: grid; gap: 0; padding: 15px var(--shell) 24px; background: rgba(8,12,19,.98); border-bottom: 1px solid var(--line); transform: translateY(-130%); opacity: 0; pointer-events: none; transition: transform .28s ease, opacity .28s ease; }
    .main-nav.is-open { transform: translateY(0); opacity: 1; pointer-events: auto; }
    .main-nav a { padding: 12px 0; border-bottom: 1px solid rgba(255,255,255,.07); }
    .main-nav a::after { display: none; }
    .language-toggle { width: 42px; height: 42px; }
    .preview-bar { inset-block-start: 72px; }
    .hero { min-height: auto; padding-top: 126px; grid-template-columns: 1fr; }
    .hero__content { order: 2; }
    .hero__visual { order: 1; min-height: min(112vw, 640px); }
    .hero__image-frame { inset-inline: 20px 0; }
    html[dir="ltr"] .hero__image-frame { inset-inline: 0 20px; }
    .hero__name { margin-top: 30px; }
    .hero__proof { grid-template-columns: repeat(2, 1fr); }
    .hero__proof > div:last-child { grid-column: 1 / -1; border-top: 1px solid var(--line); border-inline-start: 0; padding-inline-start: 0; }
    .section-heading { grid-template-columns: 1fr; gap: 20px; }
    .project-grid { grid-template-columns: 1fr; }
    .project-card--lead { grid-column: auto; display: block; }
    .project-card--lead .project-card__image { min-height: 390px; }
    .project-card--lead .project-card__content { border-inline-start: 0; border-top: 4px solid var(--project-accent); }
    .expertise-grid { grid-template-columns: 1fr; }
    .experience-layout, .about-layout, .contact-card { grid-template-columns: 1fr; }
    .section-heading--sticky { position: static; margin-bottom: 45px; }
    .about-section__mark { min-height: 330px; }
    .site-footer__grid { grid-template-columns: 1fr 1fr; }
    .site-footer__meta { grid-column: 1 / -1; }
    .project-hero { min-height: auto; padding-top: 120px; }
    .project-hero__grid { grid-template-columns: 1fr; }
    .project-hero__visual { order: -1; }
    .case-section, .case-section--image { grid-template-columns: 1fr; gap: 28px; }
    .case-gallery { grid-template-columns: 1fr; }
    .related-grid { grid-template-columns: 1fr; gap: 32px; }
    .project-cta { display: grid; padding: 40px; }
}

@media (max-width: 600px) {
    :root { --shell: calc(100% - 22px); --radius-md: 19px; }
    body { font-size: 15px; }
    .personal-mark__symbol { width: 43px; height: 43px; border-radius: 13px; }
    .hero { padding-block-end: 62px; }
    .hero__visual { min-height: 128vw; }
    .hero__image-frame { inset: 0 12px 45px 0; border-radius: 105px 20px 82px 20px; }
    html[dir="ltr"] .hero__image-frame { inset: 0 0 45px 12px; border-radius: 20px 105px 20px 82px; }
    .availability-card { inset-inline-start: 0; max-width: calc(100% - 32px); }
    .hero h1 { font-size: clamp(2.3rem, 12.7vw, 3.6rem); }
    .hero__actions .button { width: 100%; }
    .hero__proof { margin-top: 38px; }
    .hero__proof > div { min-height: 82px; padding-inline: 12px; }
    .section { padding-block: 84px; }
    .projects-section { border-radius: 28px 28px 0 0; }
    .section-heading h2 { font-size: 2.35rem; }
    .project-card__image, .project-card--lead .project-card__image { min-height: 270px; }
    .project-card__content, .project-card--lead .project-card__content { min-height: 310px; padding: 23px; }
    .project-card h3 { font-size: 1.65rem; }
    .technology-line { max-width: 76%; }
    .expertise-card { padding: 25px 20px; }
    .skill-item { grid-template-columns: 1fr; gap: 6px; }
    .timeline-item { grid-template-columns: 42px 1fr; gap: 15px; }
    .timeline-item__index { width: 38px; height: 38px; }
    .timeline-item__meta { display: grid; }
    .about-section__mark { min-height: 270px; }
    .contact-section { padding-top: 0; }
    .contact-card { width: 100%; border-radius: 0; padding: 70px 24px; }
    .contact-card h2 { font-size: 2.35rem; }
    .site-footer { padding-inline: 10px; }
    .site-footer__grid { grid-template-columns: 1fr; }
    .site-footer__meta { grid-column: auto; }
    .project-hero h1 { font-size: 2.8rem; }
    .project-hero__facts { grid-template-columns: 1fr; }
    .project-story { padding-block: 60px; }
    .case-section { padding-block: 52px; }
    .case-section--dark { width: calc(100% + 12px); margin-inline: -6px; padding: 32px 22px; border-radius: 24px; }
    .case-gallery__item { min-height: 250px; }
    .metric-grid { grid-template-columns: 1fr; }
    .metric-card { min-height: 170px; }
    .process-flow, .architecture-flow { grid-template-columns: 1fr; }
    .flow-node { min-height: 165px; }
    .flow-node::after { inset-block-start: auto; inset-block-end: -15px; inset-inline-end: 50%; width: 1px; height: 15px; }
    .flow-node:nth-child(3n)::after { display: block; }
    .flow-node:last-child::after { display: none; }
    .project-cta { width: 100%; margin-block: 0; border-radius: 0; padding: 60px 24px; }
}

@media (prefers-reduced-motion: reduce) {
    *, *::before, *::after { scroll-behavior: auto !important; animation-duration: .01ms !important; animation-iteration-count: 1 !important; transition-duration: .01ms !important; }
    .reveal { opacity: 1; transform: none; }
}