/* ===== Fontlar (siteyle birlikte sunulur; Google Fonts'a istek gitmez) ===== */
/* Bricolage Grotesque — latin-ext */
@font-face {
  font-family: 'Bricolage Grotesque';
  font-style: normal;
  font-weight: 400 700;
  font-stretch: 100%;
  font-display: swap;
  src: url(assets/fonts/bricolage-latin-ext.woff2) format('woff2');
  unicode-range: U+0100-02BA, U+02BD-02C5, U+02C7-02CC, U+02CE-02D7, U+02DD-02FF, U+0304, U+0308, U+0329, U+1D00-1DBF, U+1E00-1E9F, U+1EF2-1EFF, U+2020, U+20A0-20AB, U+20AD-20C4, U+2113, U+2C60-2C7F, U+A720-A7FF;
}
/* Bricolage Grotesque — latin */
@font-face {
  font-family: 'Bricolage Grotesque';
  font-style: normal;
  font-weight: 400 700;
  font-stretch: 100%;
  font-display: swap;
  src: url(assets/fonts/bricolage-latin.woff2) format('woff2');
  unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD;
}
/* JetBrains Mono — latin-ext */
@font-face {
  font-family: 'JetBrains Mono';
  font-style: normal;
  font-weight: 400;
  font-display: swap;
  src: url(assets/fonts/jetbrains-latin-ext.woff2) format('woff2');
  unicode-range: U+0100-02BA, U+02BD-02C5, U+02C7-02CC, U+02CE-02D7, U+02DD-02FF, U+0304, U+0308, U+0329, U+1D00-1DBF, U+1E00-1E9F, U+1EF2-1EFF, U+2020, U+20A0-20AB, U+20AD-20C4, U+2113, U+2C60-2C7F, U+A720-A7FF;
}
/* JetBrains Mono — latin */
@font-face {
  font-family: 'JetBrains Mono';
  font-style: normal;
  font-weight: 400;
  font-display: swap;
  src: url(assets/fonts/jetbrains-latin.woff2) format('woff2');
  unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD;
}
/* JetBrains Mono — latin-ext */
@font-face {
  font-family: 'JetBrains Mono';
  font-style: normal;
  font-weight: 500;
  font-display: swap;
  src: url(assets/fonts/jetbrains-latin-ext.woff2) format('woff2');
  unicode-range: U+0100-02BA, U+02BD-02C5, U+02C7-02CC, U+02CE-02D7, U+02DD-02FF, U+0304, U+0308, U+0329, U+1D00-1DBF, U+1E00-1E9F, U+1EF2-1EFF, U+2020, U+20A0-20AB, U+20AD-20C4, U+2113, U+2C60-2C7F, U+A720-A7FF;
}
/* JetBrains Mono — latin */
@font-face {
  font-family: 'JetBrains Mono';
  font-style: normal;
  font-weight: 500;
  font-display: swap;
  src: url(assets/fonts/jetbrains-latin.woff2) format('woff2');
  unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD;
}

/* btworks.co — renkler index.html :root'unda */
* { box-sizing: border-box; margin: 0; padding: 0; }
img { height: auto; }   /* width/height öznitelikleri yalnız oran bilgisi için; boyutu CSS belirler */
body { background: var(--bg); color: var(--ink); font: 400 16px/1.6 var(--font); -webkit-font-smoothing: antialiased; }
a { color: inherit; text-decoration: none; }
.mono { font: 400 .76rem/1.4 var(--mono); letter-spacing: .02em; color: var(--ink-soft); }
.wrap { max-width: 1280px; margin: 0 auto; padding: 0 24px; }

/* ===== Hero ===== */
.hero { position: relative; height: 100svh; min-height: 600px; overflow: hidden; }
#ascii { position: absolute; inset: 0; width: 100%; height: 100%; }
.nav { position: absolute; top: 0; left: 0; right: 0; z-index: 2; }
.nav .wrap { display: flex; justify-content: space-between; align-items: center; height: 64px; }
.mark { font: 500 .95rem var(--mono); color: var(--ink); }
.nav ul { display: flex; gap: 1.75rem; list-style: none; }
.nav ul a:hover { color: var(--ink); }

.hero-text { position: absolute; z-index: 2; left: 0; right: 0; bottom: 56px; }
.hero-text .wrap { display: flex; justify-content: space-between; align-items: end; gap: 32px; flex-wrap: wrap; }
.hero h1 { font-size: clamp(3rem, 10vw, 8.5rem); font-weight: 600; letter-spacing: -.035em; line-height: .9; }
.hero-text .wrap > * { min-width: 0; }
.hero p { max-width: min(36ch, 100%); font-size: 1.05rem; color: var(--ink-soft); }
.hero p b { color: var(--ink); font-weight: 500; }

/* ===== Alt bölümler ===== */
.dark { background: var(--dark); color: var(--dark-ink); }
.dark .mono { color: var(--dark-soft); }
.block { padding: 120px 0; border-bottom: 1px solid var(--dark-line); }
.grid { display: grid; grid-template-columns: 240px 1fr; gap: 32px; }

.about p { font-size: clamp(1.5rem, 3vw, 2.6rem); line-height: 1.2; letter-spacing: -.035em; max-width: 26ch; }
.about p + p { margin-top: 1.2em; }
.about p span { color: var(--dark-soft); }



.contact { padding: 140px 0 100px; }
.contact a.big { display: inline-block; margin-top: 1.25rem; font-size: clamp(2.2rem, 7vw, 6rem); font-weight: 500; letter-spacing: -.035em; line-height: 1; border-bottom: 1px solid var(--dark-line); transition: border-color .3s; }
.contact a.big:hover { border-color: var(--dark-ink); }
footer { padding: 24px 0 32px; }
footer .wrap { display: flex; justify-content: space-between; gap: 1rem; flex-wrap: wrap; }

@media (max-width: 820px) {
  .nav ul { display: none; }
  .grid { grid-template-columns: 1fr; gap: 20px; }
      .block { padding: 80px 0; }
}

/* ===== Yerleşim varyasyonları ===== */
/* Ortalanmış hero */
.hero.center .hero-text .wrap { flex-direction: column; align-items: center; text-align: center; gap: 18px; }


@media (max-width: 820px) {
}

/* ===== Mavi vurgu (--blue tanımlıysa) ===== */
#clock { display: inline-flex; align-items: center; gap: .5rem; }
#clock::before { content: ""; width: 6px; height: 6px; border-radius: 50%; background: rgb(var(--blue, 128, 128, 128)); box-shadow: 0 0 8px rgb(var(--blue, 128, 128, 128)); animation: nabiz 2.4s ease-in-out infinite; }
@keyframes nabiz { 50% { opacity: .35; } }
.nav ul a:hover, .logo-tile:hover b, .contact a.big:hover { color: rgb(var(--blue, 0, 0, 0)); }
.contact a.big:hover { border-color: rgb(var(--blue, 0, 0, 0)); }
.hero p b { color: var(--ink); }
.block .grid > .mono:first-child::first-letter { color: rgb(var(--blue, 128, 128, 128)); }


/* ===== İşler — logolar + dönen hizmet çarkı ===== */
.works .grid { grid-template-columns: 1fr; gap: 28px; }
/* Yapay zekâ bölümü İşler'in ızgarasını kullanır: sağ sütunlar alt alta hizalı */
.works-layout, .ai-layout { display: grid; grid-template-columns: minmax(0, 1.35fr) minmax(0, 1fr); gap: 32px; }
.works-layout { align-items: stretch; }
.logos { display: grid; grid-template-columns: repeat(3, 1fr); gap: 8px; align-self: start; }
.logo-tile { border-radius: 12px; padding: 28px 22px 22px; display: flex; flex-direction: column; justify-content: space-between; gap: 28px; min-height: 230px; transition: background .25s; }
.logo-tile:hover { background: var(--dark-2, #15161a); }
.logo { height: 104px; display: grid; place-items: center; filter: grayscale(.7) brightness(.85); opacity: .8; transition: filter .3s, opacity .3s, transform .3s; }
.logo-tile:hover .logo { filter: none; opacity: 1; transform: scale(1.04); }
.logo img { display: block; }
.logo.wide img { width: 100%; max-width: 210px; height: auto; }
.logo.round img { width: 96px; height: 96px; border-radius: 50%; object-fit: cover; }
.logo.rect img { width: 100%; max-width: 200px; height: auto; border-radius: 8px; }
.logo-tile { align-items: center; text-align: center; }
.logo-meta { display: flex; flex-direction: column; align-items: center; gap: .2rem; }
.logo-meta b { font: 500 .72rem/1 var(--mono); letter-spacing: .08em; text-transform: uppercase; white-space: nowrap; }
.logo-tile:nth-child(odd) .logo-tile:nth-child(even) 
.svc { display: grid; align-items: center; min-width: 0; }
.svc-box { display: flex; flex-direction: column; }
.svc-box span { display: flex; justify-content: space-between; align-items: baseline; padding: .34em 0; border-bottom: 1px solid var(--dark-line); font-size: clamp(1.05rem, 1.5vw, 1.4rem); font-weight: 500; letter-spacing: -.035em; color: var(--dark-ink); cursor: default; transition: color .3s, padding .3s; }
.svc-box span::after { content: "→"; opacity: 0; transition: opacity .3s; }
.svc-box span.on, .svc-box span:hover { color: rgb(var(--blue, 128, 128, 128)); padding-left: .3em; }
.svc-box span.on::after, .svc-box span:hover::after { opacity: 1; }

@media (max-width: 1100px) { .logos { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 820px) {
  .works-layout { grid-template-columns: 1fr; gap: 32px; }
  .svc { order: -1; }
  .logo-tile { min-height: 190px; padding: 22px 16px 18px; }
  .logo { height: 84px; }
  .logo.round img { width: 80px; height: 80px; }
}


/* ===== Süreç — slayt: solda metin, sağda aşama aşama kurulan ASCII küre ===== */
.slider { --dur: 7s; position: relative; }

.slides { position: relative; display: grid; }
.slide { grid-area: 1 / 1; display: grid; grid-template-columns: minmax(0, .9fr) minmax(0, 1.1fr); gap: 48px; align-items: center; min-height: 440px;
  visibility: hidden; pointer-events: none; }
.slide.on { visibility: visible; pointer-events: auto; }
.slide-text > * { opacity: 0; transform: translateY(18px); transition: opacity .55s, transform .7s cubic-bezier(.2,.7,.2,1); }
.slide.on .slide-text > * { opacity: 1; transform: none; }
.slide.on .slide-text > :nth-child(2) { transition-delay: .07s; } .slide.on .slide-text > :nth-child(3) { transition-delay: .14s; }
.slide-text h3 { font-size: clamp(2.2rem, 4.4vw, 3.8rem); font-weight: 500; letter-spacing: -.045em; line-height: 1; }
.slide-text p { margin: 1.1rem 0 1.6rem; max-width: 42ch; color: var(--dark-soft); font-size: 1.1rem; line-height: 1.6; }
.slide-text .todo { list-style: none; display: grid; gap: .7rem; padding-top: 1.3rem; border-top: 1px dashed var(--dark-line); max-width: 42ch; font-size: 1rem; color: var(--dark-ink); }
.slide-text .todo li { display: flex; gap: .7rem; align-items: baseline; }
.slide-text .todo li::before { content: ""; flex: none; width: 6px; height: 6px; border-radius: 50%; translate: 0 -2px; background: rgb(var(--blue, 128, 128, 128)); }
.stage-art { grid-area: 1 / 1; justify-self: end; width: 52%; height: 100%; min-height: 440px; pointer-events: none; }
.stage-art canvas { width: 100%; height: 100%; display: block; }
.slide-nav { position: absolute; left: 0; bottom: 0; display: flex; gap: 10px; }
.arrow { display: grid; place-items: center; width: 44px; height: 44px; border-radius: 50%; cursor: pointer; background: transparent;
  border: 1px solid var(--dark-line); color: var(--dark-ink); transition: border-color .25s, background .25s; }
.arrow:hover { border-color: rgb(var(--blue, 128, 128, 128)); background: rgba(var(--blue, 128, 128, 128), .1); }
.arrow svg { width: 18px; height: 18px; fill: none; stroke: currentColor; stroke-width: 1.8; stroke-linecap: round; stroke-linejoin: round; }
@media (prefers-reduced-motion: reduce) { .slide-text > * { transition: none; } }
@media (max-width: 820px) {
      .stage-art { grid-area: auto; width: 100%; min-height: 260px; order: -1; }
  .slides { display: flex; flex-direction: column; }
  .slide-nav { position: static; margin-top: 24px; }
}

/* ===== Projeler — 3D cihaz mockup'ları ===== */
.projects .grid { grid-template-columns: 1fr; gap: 32px; }
.mocks { display: grid; grid-template-columns: repeat(2, 1fr); gap: 16px; }
.mock { display: flex; flex-direction: column; gap: 16px; }
.mock-stage { position: relative; container-type: inline-size; aspect-ratio: 4 / 3; border-radius: 16px; overflow: hidden; perspective: 1400px;
  background: radial-gradient(70% 60% at 60% 55%, rgba(var(--glow), .32), transparent 70%), #111217; border: 1px solid var(--dark-line); }
.mock figcaption { display: flex; justify-content: space-between; align-items: baseline; gap: 1rem; }
.mock figcaption b { font-weight: 500; font-size: 1.15rem; letter-spacing: -.02em; }

.browser, .device { position: absolute; transform-style: preserve-3d; transition: transform .9s cubic-bezier(.2,.7,.2,1); }
.browser { left: 9%; top: 15%; width: 78%; border-radius: 1.4cqw; overflow: hidden; background: #fff;
  box-shadow: 0 0 0 1px rgba(255,255,255,.14), 0 .3cqw .6cqw rgba(0,0,0,.3), 0 5cqw 10cqw -2cqw rgba(0,0,0,.7); transform: rotateY(-16deg) rotateX(7deg) rotateZ(1deg); }
/* camdan yansıma */
.browser::after { content: ""; position: absolute; inset: 0; pointer-events: none; border-radius: inherit;
  background: linear-gradient(115deg, rgba(255,255,255,.16) 0%, rgba(255,255,255,.04) 28%, transparent 42%);
  box-shadow: inset 0 0 0 1px rgba(255,255,255,.08); }
.browser .bar { position: relative; display: flex; align-items: center; gap: .7cqw; height: 4cqw; padding: 0 1.6cqw;
  background: linear-gradient(#26282f, #1c1e24); box-shadow: inset 0 1px 0 rgba(255,255,255,.08), 0 1px 0 rgba(0,0,0,.4); }
.browser .bar i { width: 1.05cqw; height: 1.05cqw; border-radius: 50%; box-shadow: inset 0 0 0 .5px rgba(0,0,0,.25); }
.browser .bar i:nth-child(1) { background: #ff5f57; }
.browser .bar i:nth-child(2) { background: #febc2e; }
.browser .bar i:nth-child(3) { background: #28c840; }
.browser .bar span { position: absolute; left: 50%; transform: translateX(-50%); min-width: 38%; display: flex; align-items: center; justify-content: center; gap: .6cqw;
  padding: .55cqw 2cqw; border-radius: .9cqw; background: #2f323a; box-shadow: inset 0 0 0 1px rgba(255,255,255,.05); color: #b4bac6; font: 400 1.35cqw/1 var(--mono); }
.browser img { display: block; width: 100%; aspect-ratio: 16 / 10; object-fit: cover; object-position: top; }

/* Telefon: metal çerçeve, ince siyah bezel, dinamik ada, cam yansıması */
.device { width: 23%; aspect-ratio: 9 / 19.5; padding: .55cqw; border-radius: 4.2cqw;
  background: linear-gradient(150deg, #5a5e68 0%, #2a2c33 18%, #15161b 50%, #2b2d34 82%, #6a6e78 100%);
  box-shadow: inset 0 0 0 .5px rgba(255,255,255,.35), 0 .3cqw .6cqw rgba(0,0,0,.35), 0 4cqw 9cqw -1cqw rgba(0,0,0,.7); }
.device img { display: block; width: 100%; height: 100%; object-fit: cover; object-position: top; border-radius: 3.7cqw;
  border: .55cqw solid #050507; box-sizing: border-box; }
.device::before { content: ""; position: absolute; top: 1.7cqw; left: 50%; width: 27%; height: 1.6cqw; transform: translateX(-50%); border-radius: 1cqw; background: #050507; z-index: 1; }
.device::after { content: ""; position: absolute; inset: .55cqw; border-radius: 3.7cqw; pointer-events: none;
  background: linear-gradient(120deg, rgba(255,255,255,.22) 0%, rgba(255,255,255,.05) 30%, transparent 45%); }
.mock-stage:not(.trio) .device { right: 8%; bottom: -7%; transform: rotateY(-16deg) rotateX(7deg) translateZ(60px); }
.mock:hover .browser { transform: rotateY(-10deg) rotateX(4deg) rotateZ(0deg) translateY(-1.5%); }
.mock:hover .mock-stage:not(.trio) .device { transform: rotateY(-10deg) rotateX(4deg) translateZ(80px) translateY(-4%); }

/* Geniş kart — tek büyük tarayıcı */
.mock.wide { grid-column: 1 / -1; }
.mock.wide .mock-stage { aspect-ratio: 21 / 9; }
.mock.wide .browser { left: 50%; top: 13%; width: 74%; translate: -50% 0; transform: rotateX(18deg) rotateY(-6deg); }
.mock:hover.wide .browser { transform: rotateX(10deg) rotateY(-3deg) translateY(-2%); }
/* geniş sahnede cqw iki kat büyük; çubuğu diğer kartlarla aynı ölçüye getir */
.mock.wide .browser { border-radius: .8cqw; }
.mock.wide .browser img { aspect-ratio: 16 / 9; object-fit: contain; background: #0f1218; }
.mock.wide .browser .bar { height: 2.2cqw; gap: .35cqw; padding: 0 .8cqw; }
.mock.wide .browser .bar i { width: .55cqw; height: .55cqw; }
.mock.wide .browser .bar span { padding: .3cqw 1.2cqw; border-radius: .5cqw; font-size: .7cqw; }

/* BTGuard — iki panel penceresi + kiosk modunda el terminali, aralarında MQTT bağlantısı */
.mdm .mock-stage { perspective: 1400px; }
.mock.mdm .browser { width: 82%; translate: none; transform-origin: 50% 50%; }
.mdm .browser img { aspect-ratio: 16 / 9; object-fit: cover; }
.mdm .browser.back { left: 2%; top: 7%; transform: rotateY(-12deg) rotateX(6deg) translateZ(-60px); filter: brightness(.7); }
.mdm .browser.front { left: 16%; top: 30%; transform: rotateY(-12deg) rotateX(6deg); }
.mock:hover.mdm .browser.back { transform: rotateY(-8deg) rotateX(4deg) translateZ(-60px) translate(-2%, -2%); }
.mock:hover.mdm .browser.front { transform: rotateY(-8deg) rotateX(4deg) translateY(-2%); }

/* Kurumsal siteler — iki tarayıcı üst üste */
.duo .browser { width: 66%; }
.duo .browser:nth-child(1) { left: 6%; top: 10%; transform: rotateY(-16deg) rotateX(7deg) translateZ(-40px); filter: brightness(.75); }
.duo .browser:nth-child(2) { left: 28%; top: 34%; transform: rotateY(-16deg) rotateX(7deg) translateZ(30px); }
.mock:hover .duo .browser:nth-child(1) { transform: rotateY(-10deg) rotateX(4deg) translateZ(-40px) translate(-3%, -3%); }
.mock:hover .duo .browser:nth-child(2) { transform: rotateY(-10deg) rotateX(4deg) translateZ(40px) translate(2%, 2%); }

/* Menüler — üç telefon yan yana, üst üste */
.trio .device { width: 30%; top: 50%; left: 50%; }
.trio .device:nth-child(1) { transform: translate(-50%, -46%) translateX(-58%) rotateY(-18deg) translateZ(-40px); filter: brightness(.7); }
.trio .device:nth-child(2) { transform: translate(-50%, -46%) translateX(-4%) rotateY(-18deg) translateZ(-10px); filter: brightness(.85); }
.trio .device:nth-child(3) { transform: translate(-50%, -46%) translateX(52%) rotateY(-18deg) translateZ(30px); }
.mock:hover .trio .device:nth-child(1) { transform: translate(-50%, -48%) translateX(-68%) rotateY(-12deg) translateZ(-40px); }
.mock:hover .trio .device:nth-child(3) { transform: translate(-50%, -48%) translateX(62%) rotateY(-12deg) translateZ(40px); }

@media (max-width: 820px) { .mocks { grid-template-columns: 1fr; } .mock figcaption { flex-direction: column; gap: .2rem; } }



/* ===== Bölüm başlıkları — solda başlık, sağda tek cümlelik açıklama ===== */
.sec-head { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); gap: 32px; align-items: end; margin-bottom: 48px; }
.sec-head h2 { font-size: clamp(2rem, 4.2vw, 3.6rem); font-weight: 500; letter-spacing: -.045em; line-height: 1; color: var(--dark-ink); }
.sec-head p { justify-self: end; max-width: 46ch; color: var(--dark-soft); font-size: 1.02rem; line-height: 1.55; }
.contact .sec-head { margin-bottom: 8px; }
.contact .sec-head h2 { font-size: clamp(2.4rem, 5vw, 4.2rem); }
@media (max-width: 820px) { .sec-head { grid-template-columns: 1fr; gap: 14px; margin-bottom: 32px; } .sec-head p { justify-self: start; } }

/* ===== Menü araçları: saat, dil ===== */
.nav-tools { display: flex; align-items: center; gap: 10px; }
.tool { display: inline-grid; place-items: center; min-width: 34px; height: 30px; padding: 0 9px; border-radius: 999px; cursor: pointer;
  background: transparent; color: var(--ink-soft); border: 1px solid color-mix(in srgb, var(--ink-soft) 35%, transparent); transition: color .25s, border-color .25s, background .25s; }
.tool:hover { color: var(--ink); border-color: var(--ink-soft); }
.tool svg { width: 15px; height: 15px; fill: none; stroke: currentColor; stroke-width: 1.6; stroke-linecap: round; }
@media (max-width: 820px) { .nav-tools #clock { display: none; } }


.sec-head.small h2 { font-size: clamp(1.7rem, 3.3vw, 2.8rem); }

/* ===== Kurumsal yapay zekâ — solda ASCII çekirdek (logodaki küre), sağda manifesto ve yetkinlikler ===== */
.ai-layout { align-items: start; }
.ai-core { position: sticky; top: 12vh; aspect-ratio: 1; }
.ai-core canvas { width: 100%; height: 100%; display: block; }
.ai-body h2 { font-size: clamp(2.2rem, 4.4vw, 3.8rem); font-weight: 500; letter-spacing: -.045em; line-height: 1; }
.ai-lead { margin: 1.2rem 0 2.2rem; max-width: 50ch; color: var(--dark-soft); font-size: 1.08rem; line-height: 1.65; }
.caps { border-top: 1px solid var(--dark-line); }
.cap { padding: 26px 0; border-bottom: 1px solid var(--dark-line); }
.cap h3 { font-size: clamp(1.25rem, 1.9vw, 1.6rem); font-weight: 500; letter-spacing: -.03em; transition: color .3s; }
.cap:hover h3 { color: rgb(var(--blue, 128, 128, 128)); }
.cap p { margin: .5rem 0 1rem; max-width: 56ch; color: var(--dark-soft); font-size: .97rem; line-height: 1.6; }
.chips { list-style: none; display: flex; flex-wrap: wrap; gap: 6px; }
.chips li { padding: .28rem .65rem; border-radius: 999px; border: 1px solid var(--dark-line); font: 400 .74rem/1.3 var(--mono); color: var(--dark-soft); }
.ai-note { margin-top: 22px; display: flex; align-items: center; gap: .55rem; }
.ai-note::before { content: ""; flex: none; width: 7px; height: 7px; border-radius: 50%; background: rgb(var(--blue, 128, 128, 128)); box-shadow: 0 0 8px rgb(var(--blue, 128, 128, 128)); }
@media (max-width: 980px) { .ai-layout { grid-template-columns: 1fr; gap: 24px; } .ai-core { position: static; max-width: 440px; margin: 0 auto; width: 100%; } }

/* ===== Bölüm aralıkları: çizginin üstü ve altı gözle eşit görünsün ===== */
/* başlık fontunun üstündeki satır payını kırp (yoksa alttaki boşluk büyük görünür) */
.sec-head h2, .ai-body h2 { text-box: trim-start cap alphabetic; }
@supports not (text-box: trim-start cap alphabetic) { .sec-head h2, .ai-body h2 { margin-top: -.14em; } }
.contact { padding-top: 120px; }
.block.pipeline { padding-bottom: 110px; }
@media (max-width: 820px) {
  .contact { padding-top: 80px; }
  .block.pipeline { padding-bottom: 80px; }
  .works { padding-bottom: 62px; }          /* logo karolarının alt dolgusu (18px) kadar */
}


/* ===== Mobil: yalnız hero görünür (iletişim adresi hero'da) ===== */
.hero-mail { display: none; }
@media (max-width: 820px) {
  main { display: none; }
  .hero-mail { display: inline-block; font: 500 1.05rem var(--font); color: var(--ink); border-bottom: 1px solid rgb(var(--blue, 128, 128, 128)); padding-bottom: 2px; }
}

/* Tek pencereli yarım kart (DVYS) — pencere ortada */
.mock.solo .browser { left: 4%; top: 12%; width: 90%; }
.mock.solo .browser img { aspect-ratio: 16 / 9; }