/* ============================================================
   ARCHITEKT — style.css
   Tasarım Dili: Architectural Minimalism + Strategic Authority
   Renk Sistemi: #F2F2F2 zemin / #062556 lacivert / #ea612a turuncu
   ============================================================ */


/* ============================================================
   1. RESET & BASE
   ============================================================ */

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

html {
    font-size: 16px;
    scroll-behavior: smooth;
}

body {
    background-color: #F2F2F2;
    color: #1D1D1F;
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

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

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

ol {
    list-style: none;
}


/* ============================================================
   2. DESIGN TOKENS (CSS Custom Properties)
   ============================================================ */

:root {
    /* --- Çekirdek marka renkleri (DEĞİŞMEZ kimlik) --- */
    --clr-bg:           #F2F2F2;          /* Zemin — stone/off-white */
    --clr-bg-tint:      #EBEBEB;          /* Hafif tonlanmış zemin */
    --clr-navy:         #062556;          /* Prusya/Gece Mavisi — brand primary (= navy-700) */
    --clr-text:         #1D1D1F;          /* Koyu antrasit — gövde metni */
    --clr-text-muted:   #4A4A4E;          /* Slate gri — ikincil metin */
    --clr-accent:       #ea612a;          /* Mandarin turuncu — YALNIZCA CTA & vurgu */
    --clr-accent-dark:  #c9501f;          /* Turuncu hover durumu */

    /* --- Lacivert ölçeği (#062556'nın türevleri — koyu bölüm derinliği) --- */
    --clr-navy-900:     #041634;          /* En koyu zemin — hero/panel tabanı */
    --clr-navy-800:     #051E45;          /* Koyu yüzey */
    --clr-navy-700:     #062556;          /* = brand navy (--clr-navy ile aynı) */
    --clr-navy-600:     #0A3168;          /* Yükseltilmiş kart/yüzey */
    --clr-navy-500:     #0E3D80;          /* Açık lacivert — vurgu yüzeyi/hover */
    --clr-navy-line:    rgba(255,255,255,0.10);  /* Koyu zeminde ince ayraç */

    /* --- Hizmet alan renkleri (Serhat spec — KATEGORİ-ÖZEL: ana sayfa paneli + o
       kategorinin hizmet sayfası zemini. Genel palete sızmaz; sadece -svc- kapsamı.
       Her renk metin eşiyle (-on) WCAG'a göre: amber/cyan/kırmızı koyu metin ister,
       navy beyaz. Bkz. memory/renk_sistemi.md + Web Hizmet Alan Renkleri.pdf) --- */
    --svc-web:            #FFAF00;   --svc-web-on:         #1D1D1F;  /* amber  → koyu metin */
    --svc-produksiyon:    #00D4FF;   --svc-produksiyon-on: #1D1D1F;  /* cyan   → koyu metin */
    --svc-tasarim:        #FF4800;   --svc-tasarim-on:     #1D1D1F;  /* kırmızı-turuncu → koyu */
    --svc-dijital:        #000B70;   --svc-dijital-on:     #FFFFFF;  /* navy   → beyaz metin */
    /* Sayfa zemini için açık tonlar (~%22) — tam-sayfa kimlik, koyu metinle okunur.
       Navy hariç beyaz karışımı; navy desatüre olup griye kaçtığı için elle daha
       belirgin periwinkle seçildi (kimlik korunsun). */
    --svc-web-tint:         #FFEDC7;   /* açık amber */
    --svc-produksiyon-tint: #C7F6FF;   /* açık cyan */
    --svc-tasarim-tint:     #FFD7C7;   /* açık şeftali */
    --svc-dijital-tint:     #CBD2F2;   /* açık periwinkle (navy kimliği) */

    /* --- Açık zemin yüzey katmanları (düz beyaz yerine derinlik) --- */
    --surface-card:     #FFFFFF;          /* Kart — en yüksek katman */
    --surface-raised:   #FBFBFB;          /* Hafif yükseltilmiş panel */

    /* --- Koyu zeminde metin --- */
    --clr-on-dark:        #F2F2F2;        /* Koyu zemin üstü birincil metin */
    --clr-on-dark-muted:  rgba(242,242,242,0.65);  /* Koyu zemin üstü ikincil */

    /* --- Sınırlar --- */
    --clr-border:       rgba(6, 37, 86, 0.10);   /* İnce sınır çizgileri */
    --clr-border-mid:   rgba(6, 37, 86, 0.20);   /* Orta güçlü sınır */

    /* --- Vurgu nüansı (dolu turuncu yine sadece CTA) --- */
    --accent-soft:      rgba(234, 97, 42, 0.12); /* Turuncu arka plan vurgusu/hover */

    /* --- Tanımlı gradient & cam (koyu bölümler için — serbest değil, isimli) --- */
    --grad-hero:    linear-gradient(160deg, #041634 0%, #062556 60%, #0A3168 100%);
    --grad-panel:   linear-gradient(180deg, #062556 0%, #041634 100%);
    --grad-accent:  linear-gradient(135deg, #ea612a 0%, #c9501f 100%);  /* CTA derinliği */
    --glass-bg:     rgba(255, 255, 255, 0.06);   /* Koyu zeminde cam yüzey */
    --glass-border: rgba(255, 255, 255, 0.12);   /* Cam yüzey sınırı */
    --glass-blur:   12px;                         /* backdrop-filter bulanıklığı */

    /* Tipografi */
    --fw-regular:   400;
    --fw-medium:    500;
    --fw-semibold:  600;
    --fw-bold:      700;
    --fw-black:     800;

    /* Spacing skala — 8px temel */
    --sp-1: 8px;
    --sp-2: 16px;
    --sp-3: 24px;
    --sp-4: 32px;
    --sp-5: 48px;
    --sp-6: 64px;
    --sp-7: 80px;
    --sp-8: 112px;

    /* Layout */
    --container-max:  1200px;
    --header-h:       72px;
    --radius:         2px;          /* Mimari keskinlik — neredeyse sıfır */
}


/* ============================================================
   3. LAYOUT UTILITIES
   ============================================================ */

.container {
    max-width: var(--container-max);
    margin-inline: auto;
    padding-inline: var(--sp-3);
}

@media (min-width: 768px) {
    .container {
        padding-inline: var(--sp-5);
    }
}


/* ============================================================
   4. TYPOGRAPHY UTILITIES
   ============================================================ */

/* Bölüm etiketi — küçük harf, turuncu, tracking */
.section-label {
    display: inline-block;
    font-size: 10px;
    font-weight: var(--fw-bold);
    letter-spacing: 0.16em;
    text-transform: uppercase;
    color: var(--clr-accent);
    margin-bottom: var(--sp-2);
}

.section-header {
    margin-bottom: var(--sp-6);
}

.section-header h2 {
    font-size: clamp(1.875rem, 4vw, 2.875rem);
    font-weight: var(--fw-black);
    line-height: 1.08;
    letter-spacing: -0.035em;
    color: var(--clr-navy);
}


/* ============================================================
   5. BUTTONS
   ============================================================ */

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 14px 28px;
    font-size: 14px;
    font-weight: var(--fw-semibold);
    letter-spacing: 0.025em;
    border: 2px solid transparent;
    border-radius: var(--radius);
    cursor: pointer;
    white-space: nowrap;
    transition: background-color 0.2s ease-out,
                color           0.2s ease-out,
                border-color    0.2s ease-out;
}

/* Turuncu dolu — primary CTA */
.btn-primary {
    background-color: var(--clr-accent);
    color: #fff;
    border-color: var(--clr-accent);
}

.btn-primary:hover,
.btn-primary:focus-visible {
    background-color: var(--clr-accent-dark);
    border-color: var(--clr-accent-dark);
}

/* Şeffaf kenarlık — ghost */
.btn-ghost {
    background-color: transparent;
    color: var(--clr-navy);
    border-color: var(--clr-navy);
}

.btn-ghost:hover,
.btn-ghost:focus-visible {
    background-color: var(--clr-navy);
    color: #fff;
}

/* Koyu zeminde turuncu CTA (final section) */
.btn-cta {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 16px 36px;
    font-size: 15px;
    font-weight: var(--fw-semibold);
    letter-spacing: 0.025em;
    background-color: var(--clr-accent);
    color: #fff;
    border: 2px solid var(--clr-accent);
    border-radius: var(--radius);
    cursor: pointer;
    transition: background-color 0.2s ease-out, border-color 0.2s ease-out;
}

.btn-cta:hover,
.btn-cta:focus-visible {
    background-color: var(--clr-accent-dark);
    border-color: var(--clr-accent-dark);
}

/* Focus-visible — erişilebilirlik */
.btn-primary:focus-visible,
.btn-ghost:focus-visible,
.btn-cta:focus-visible {
    outline: 2px solid var(--clr-accent);
    outline-offset: 3px;
}


/* ============================================================
   6. SCROLL FADE-IN ANİMASYONU
   IntersectionObserver tarafından tetiklenir
   ============================================================ */

.fade-in {
    opacity: 0;
    transform: translateY(18px);
    transition: opacity 0.6s ease-out, transform 0.6s ease-out;
}

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

/* Izgara çocuklarında kademeli gecikme */
.diff-statement:nth-child(2) { transition-delay: 0.1s; }
.diff-statement:nth-child(3) { transition-delay: 0.2s; }

.pillar-card:nth-child(2) { transition-delay: 0.06s; }
.pillar-card:nth-child(3) { transition-delay: 0.12s; }
.pillar-card:nth-child(4) { transition-delay: 0.18s; }
.pillar-card:nth-child(5) { transition-delay: 0.24s; }
.pillar-card:nth-child(6) { transition-delay: 0.30s; }

.work-card:nth-child(2) { transition-delay: 0.06s; }
.work-card:nth-child(3) { transition-delay: 0.12s; }
.work-card:nth-child(4) { transition-delay: 0.18s; }
.work-card:nth-child(5) { transition-delay: 0.24s; }
.work-card:nth-child(6) { transition-delay: 0.30s; }

.process-step:nth-child(2) { transition-delay: 0.08s; }
.process-step:nth-child(3) { transition-delay: 0.16s; }
.process-step:nth-child(4) { transition-delay: 0.24s; }


/* ============================================================
   7. HEADER
   ============================================================ */

.site-header {
    position: fixed;
    inset-block-start: 0;
    inset-inline: 0;
    z-index: 100;
    height: var(--header-h);
    background-color: var(--clr-bg);
    border-bottom: 1px solid transparent;
    transition: border-color  0.25s ease-out,
                background-color 0.25s ease-out;
}

/* Sayfada aşağı kaydırıldığında border belirginleşir */
.site-header.scrolled {
    border-bottom-color: var(--clr-border-mid);
    background-color: rgba(242, 242, 242, 0.96);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
}

.header-inner {
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

/* Logo */
.logo img {
    height: 38px;
    width: auto;
    transition: opacity 0.2s ease-out;
}

.logo:hover img {
    opacity: 0.8;
}

/* Navigasyon */
.site-nav {
    display: flex;
    align-items: center;
    gap: var(--sp-3);
}

/* Flat linkler (Projeler vb.) */
.site-nav .nav-link {
    font-size: 13px;
    font-weight: var(--fw-medium);
    color: var(--clr-text-muted);
    letter-spacing: 0.02em;
    position: relative;
    transition: color 0.2s ease-out;
    text-decoration: none;
}

.site-nav .nav-link::after {
    content: '';
    position: absolute;
    inset-block-end: -3px;
    inset-inline-start: 0;
    width: 0;
    height: 1px;
    background-color: var(--clr-accent);
    transition: width 0.2s ease-out;
}
.site-nav .nav-link:hover { color: var(--clr-navy); }
.site-nav .nav-link:hover::after { width: 100%; }

/* Dropdown sarmalayıcı */

/* Dropdown toggle butonu */


.nav-arrow {
    font-size: 10px;
    transition: transform 0.2s ease-out;
    display: inline-block;
}

/* Dropdown menü */



/* Nav CTA butonu */
.nav-cta {
    background-color: var(--clr-navy);
    color: #fff !important;
    padding: 9px 20px;
    border-radius: var(--radius);
    font-size: 13px;
    font-weight: var(--fw-semibold) !important;
    transition: background-color 0.2s ease-out !important;
}

.nav-cta:hover {
    background-color: var(--clr-accent) !important;
    color: #fff !important;
}

/* Hamburger — yalnızca mobilde */
.nav-toggle {
    display: none;
    flex-direction: column;
    justify-content: center;
    gap: 5px;
    width: 32px;
    height: 32px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 2px;
}

.nav-toggle span {
    display: block;
    height: 2px;
    background-color: var(--clr-navy);
    border-radius: 1px;
    transition: transform 0.22s ease-out, opacity 0.22s ease-out;
}

/* Açık durumda X ikonu */
.nav-toggle.active span:nth-child(1) {
    transform: translateY(7px) rotate(45deg);
}

.nav-toggle.active span:nth-child(2) {
    opacity: 0;
    transform: scaleX(0);
}

.nav-toggle.active span:nth-child(3) {
    transform: translateY(-7px) rotate(-45deg);
}


/* ============================================================
   8. HERO SECTION
   ============================================================ */

.hero {
    /* Header yüksekliği + geniş üst padding */
    padding-block-start: calc(var(--header-h) + var(--sp-7));
    padding-block-end: var(--sp-8);
    min-height: calc(100vh - var(--header-h));
    display: flex;
    flex-direction: column;
    justify-content: center;
    position: relative;
    overflow: hidden;
    isolation: isolate;   /* z-index:1 olan hero-inner panellere sızmasın (pin overlap fix) */
    /* Dümdüz taş zemin — ızgara dokusu yok */
}

/* İçerik, dekoratif yapısal çizginin üstünde kalsın */
.hero-inner {
    position: relative;
    z-index: 1;
}

.hero-inner {
    max-width: 860px;
}

/* Eyebrow — servis etiketleri */
.hero-eyebrow {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 8px 12px;
    font-size: 10px;
    font-weight: var(--fw-semibold);
    letter-spacing: 0.14em;
    text-transform: uppercase;
    color: var(--clr-text-muted);
    margin-bottom: var(--sp-4);
    padding-bottom: var(--sp-4);
    border-bottom: 1px solid var(--clr-border-mid);
}

.hero-eyebrow .sep {
    color: var(--clr-border-mid);
    font-style: normal;
    letter-spacing: 0;
}

/* Başlık çerçevesi — kılavuzların ve crop işaretlerinin konteyneri */
.hero-headline-wrap {
    position: relative;
    display: inline-block;
    padding: 0.18em 0.28em 0.22em;
    margin-bottom: var(--sp-4);
}

/* Ana başlık — maksimum otorite, sıkı tracking */
.hero-headline {
    font-size: clamp(3.25rem, 7.5vw, 6.5rem);
    font-weight: var(--fw-black);
    line-height: 0.97;
    letter-spacing: -0.045em;
    color: var(--clr-navy);
}

/* --- Kelime "snap" — dağınık gelir, hizaya oturur --- */
.hl-word {
    display: inline-block;
    opacity: 0;
    will-change: transform, opacity, filter;
    /* Ölçülü, kararlı expo-out — overshoot yok = sessiz otorite */
    animation: hl-snap 0.92s cubic-bezier(0.16, 1, 0.3, 1) var(--d, 0s) both;
}

@keyframes hl-snap {
    from {
        opacity: 0;
        transform: translate(var(--tx, 0), var(--ty, 0));
        filter: blur(4px);
    }
    60% { opacity: 1; }
    to {
        opacity: 1;
        transform: translate(0, 0);
        filter: blur(0);
    }
}

/* "Tasarlanır." — turuncu alt çizgi, kelime oturduktan sonra çizilir */
.hero-accent {
    position: relative;
    color: var(--clr-navy);
}

.hero-accent::after {
    content: '';
    position: absolute;
    inset-block-end: 0.06em;
    inset-inline-start: 0;
    width: 100%;
    height: 0.07em;
    background-color: var(--clr-accent);
    transform: scaleX(0);
    transform-origin: left center;
    animation: accent-draw 0.55s cubic-bezier(0.16, 1, 0.3, 1) 1.28s both;
}

@keyframes accent-draw {
    from { transform: scaleX(0); }
    to   { transform: scaleX(1); }
}

/* --- Hizalama kılavuzları — tasarımcının çizgileri --- */
.hero-guide {
    position: absolute;
    background-color: var(--clr-border-mid);
    pointer-events: none;
}

.hero-guide-v {
    inset-block: 0;
    inset-inline-start: 0;
    width: 1px;
    transform: scaleY(0);
    transform-origin: top;
    animation: guide-v 0.7s cubic-bezier(0.16, 1, 0.3, 1) 0.30s both;
}

.hero-guide-h {
    inset-inline: 0;
    inset-block-end: 0;
    height: 1px;
    background-color: var(--clr-border);
    transform: scaleX(0);
    transform-origin: left;
    animation: guide-h 0.75s cubic-bezier(0.16, 1, 0.3, 1) 0.55s both;
}

@keyframes guide-v { from { transform: scaleY(0); } to { transform: scaleY(1); } }
@keyframes guide-h { from { transform: scaleX(0); } to { transform: scaleX(1); } }

/* --- Registration / crop işaretleri — dört köşe --- */
.reg-mark {
    position: absolute;
    width: 11px;
    height: 11px;
    opacity: 0;
    pointer-events: none;
    animation: reg-pop 0.6s ease-out 1.0s both;
}

.rm-tl { inset-block-start: -2px; inset-inline-start: -2px;
         border-top: 1.5px solid var(--clr-border-mid); border-left: 1.5px solid var(--clr-border-mid); }
.rm-tr { inset-block-start: -2px; inset-inline-end: -2px;
         border-top: 1.5px solid var(--clr-border-mid); border-right: 1.5px solid var(--clr-border-mid); }
.rm-bl { inset-block-end: -2px; inset-inline-start: -2px;
         border-bottom: 1.5px solid var(--clr-border-mid); border-left: 1.5px solid var(--clr-border-mid); }
.rm-br { inset-block-end: -2px; inset-inline-end: -2px;
         border-bottom: 1.5px solid var(--clr-border-mid); border-right: 1.5px solid var(--clr-border-mid); }

@keyframes reg-pop {
    0%   { opacity: 0; transform: scale(1.5); }
    60%  { opacity: 0.55; }
    100% { opacity: 0.26; transform: scale(1); }
}

/* Gövde metni */
.hero-body {
    font-size: clamp(1rem, 1.6vw, 1.15rem);
    color: var(--clr-text-muted);
    line-height: 1.72;
    max-width: 540px;
    margin-bottom: var(--sp-5);
    font-weight: var(--fw-medium);
}

/* CTA grubu */
.hero-actions {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: var(--sp-2);
}

/* --- Yükleme ile beliren bloklar (eyebrow, gövde, CTA) --- */
.hero-eyebrow {
    opacity: 0;
    animation: hero-rise 0.7s cubic-bezier(0.16, 1, 0.3, 1) 0.12s both;
}

.hero-load {
    opacity: 0;
    animation: hero-rise 0.7s cubic-bezier(0.16, 1, 0.3, 1) var(--d, 0s) both;
}

@keyframes hero-rise {
    from { opacity: 0; transform: translateY(16px); }
    to   { opacity: 1; transform: translateY(0); }
}


/* ============================================================
   9. DIFFERENTIATION SECTION — Koyu lacivert blok
   ============================================================ */

.differentiation {
    background-color: var(--clr-navy);
    padding-block: var(--sp-6);
}

.diff-grid {
    display: grid;
    grid-template-columns: 1fr;
}

@media (min-width: 768px) {
    .diff-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

.diff-statement {
    padding: var(--sp-4) var(--sp-3);
    border-bottom: 1px solid rgba(255, 255, 255, 0.07);
}

@media (min-width: 768px) {
    .diff-statement {
        padding: var(--sp-4) var(--sp-4);
        border-bottom: none;
        border-right: 1px solid rgba(255, 255, 255, 0.08);
    }

    .diff-statement:last-child {
        border-right: none;
    }
}

/* Numara etiketi */
.diff-number {
    display: block;
    font-size: 10px;
    font-weight: var(--fw-bold);
    letter-spacing: 0.14em;
    text-transform: uppercase;
    color: var(--clr-accent);
    margin-bottom: var(--sp-3);
}

/* İfade metni */
.diff-statement p {
    font-size: clamp(1rem, 2vw, 1.25rem);
    line-height: 1.45;
    color: rgba(255, 255, 255, 0.55);
    font-weight: var(--fw-regular);
}

.diff-statement p strong {
    font-weight: var(--fw-bold);
    color: #fff;
}


/* ============================================================
   10. STRATEGIC PILLARS — 4 bileşen ızgarası
   ============================================================ */

.pillars {
    padding-block: var(--sp-8);
}

/* Izgara — 1px çizgi tabanlı mimari bölümler */
.pillars-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 1px;
    background-color: var(--clr-border-mid);
    border: 1px solid var(--clr-border-mid);
}

@media (min-width: 600px) {
    .pillars-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (min-width: 1024px) {
    .pillars-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

/* Kart — tamamı tıklanabilir link (hizmet sayfasına gider) */
.pillar-card {
    display: block;
    text-decoration: none;
    color: inherit;
    background-color: var(--clr-bg);
    padding: var(--sp-4);
    position: relative;
    transition: background-color 0.25s ease-out;

    /* Sol turuncu çizgi — hover'da uzar */
    overflow: hidden;
}

/* Klavye erişilebilirliği — focus halkası */
.pillar-card:focus-visible {
    outline: 2px solid var(--clr-accent);
    outline-offset: -2px;
}

/* "İncele" affordance — sessiz, hover/focus'ta belirir */
.pillar-more {
    display: inline-block;
    margin-top: var(--sp-3);
    font-size: 0.75rem;
    font-weight: var(--fw-semibold);
    letter-spacing: 0.02em;
    color: var(--clr-accent);
    opacity: 0;
    transform: translateX(-4px);
    transition: opacity 0.25s ease-out, transform 0.25s ease-out;
}

.pillar-card:hover .pillar-more,
.pillar-card:focus-visible .pillar-more {
    opacity: 1;
    transform: translateX(0);
}

.pillar-card::before {
    content: '';
    position: absolute;
    inset-block-start: 0;
    inset-inline-start: 0;
    width: 3px;
    height: 0;
    background-color: var(--clr-accent);
    transition: height 0.32s ease-out;
}

.pillar-card:hover::before {
    height: 100%;
}

.pillar-card:hover {
    background-color: rgba(6, 37, 86, 0.025);
}

/* Numara */
.pillar-number {
    font-size: 10px;
    font-weight: var(--fw-bold);
    letter-spacing: 0.14em;
    text-transform: uppercase;
    color: var(--clr-accent);
    margin-bottom: var(--sp-3);
}

/* Başlık */
.pillar-card h3 {
    font-size: 0.9375rem;
    font-weight: var(--fw-bold);
    line-height: 1.3;
    letter-spacing: -0.015em;
    color: var(--clr-navy);
    margin-bottom: var(--sp-2);
}

/* Gövde */
.pillar-card p {
    font-size: 0.8125rem;
    color: var(--clr-text-muted);
    line-height: 1.72;
}


/* ============================================================
   10b. WORKS SECTION — Çalışmalar / portfolyo
   ============================================================ */

.works {
    padding-block: var(--sp-8);
    border-block-start: 1px solid var(--clr-border);
}

.works-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--sp-4) var(--sp-3);
}

@media (min-width: 600px) {
    .works-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (min-width: 1024px) {
    .works-grid { grid-template-columns: repeat(3, 1fr); }
}

.work-card {
    margin: 0;
}

/* Görsel alanı — <img> geldiğinde dolacak; tıklanınca müşteri sitesi açılır */
.work-media {
    position: relative;
    aspect-ratio: 4 / 3;
    background-color: var(--clr-bg-tint);
    border: 1px solid var(--clr-border);
    overflow: hidden;
    display: flex;
    align-items: flex-end;
    text-decoration: none;
    transition: border-color 0.25s ease-out;
}

/* İnteraktif kart (link) — hover/focus'ta kenar vurgusu + görsel hafif yakınlaşır */
a.work-media:hover,
a.work-media:focus-visible {
    border-color: var(--clr-accent);
}

a.work-media:focus-visible {
    outline: 2px solid var(--clr-accent);
    outline-offset: 2px;
}

.work-media img {
    transition: transform 0.4s ease-out;
}

a.work-media:hover img {
    transform: scale(1.03);
}

/* Placeholder — marka amblemi filigranı */
.work-media[data-placeholder]::before {
    content: '';
    position: absolute;
    inset: 0;
    background: url("public/icon-512.png") center / 76px no-repeat;
    opacity: 0.05;
    pointer-events: none;
}

/* Hazır görsel eklenince */
.work-media img {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
}

/* Kategori etiketi — sol altta lacivert çip */
.work-cat {
    position: relative;
    margin: var(--sp-2);
    padding: 5px 10px;
    background-color: var(--clr-navy);
    color: #fff;
    font-size: 10px;
    font-weight: var(--fw-bold);
    letter-spacing: 0.12em;
    text-transform: uppercase;
}

.work-caption {
    display: flex;
    flex-direction: column;
    gap: 3px;
    padding-block-start: var(--sp-2);
}

.work-title {
    font-size: 0.9375rem;
    font-weight: var(--fw-bold);
    letter-spacing: -0.015em;
    color: var(--clr-navy);
}

.work-meta {
    font-size: 0.8125rem;
    color: var(--clr-text-muted);
}

/* Hover — kenar turuncuya döner (görsel gelince de geçerli) */
.work-card:hover .work-media {
    border-color: var(--clr-accent);
}

.works-note {
    margin-block-start: var(--sp-5);
    font-size: 0.8125rem;
    color: var(--clr-text-muted);
    letter-spacing: 0.02em;
}


/* ============================================================
   11. PROCESS SECTION — 4 adım
   ============================================================ */

.process {
    padding-block: var(--sp-8);
    background-color: rgba(6, 37, 86, 0.028);
    border-block: 1px solid var(--clr-border);
}

/* Adım listesi — desktop'ta yatay 4 sütun */
.process-steps {
    display: grid;
    grid-template-columns: 1fr;
}

@media (min-width: 900px) {
    .process-steps {
        grid-template-columns: repeat(4, 1fr);
    }
}

/* Tek adım */
.process-step {
    display: flex;
    flex-direction: column;
    gap: var(--sp-2);
    padding-block: var(--sp-4);
    border-bottom: 1px solid var(--clr-border-mid);
}

@media (min-width: 900px) {
    .process-step {
        padding-block: 0;
        padding-inline-end: var(--sp-4);
        border-bottom: none;
        border-right: 1px solid var(--clr-border-mid);
    }

    .process-step:last-child {
        border-right: none;
        padding-inline-end: 0;
    }
}

/* Adım numarası */
.step-num {
    font-size: 10px;
    font-weight: var(--fw-bold);
    letter-spacing: 0.14em;
    text-transform: uppercase;
    color: var(--clr-accent);
    display: block;
    margin-bottom: var(--sp-1);
}

/* İçerik */
.step-content h3 {
    font-size: 1.0625rem;
    font-weight: var(--fw-bold);
    line-height: 1.25;
    letter-spacing: -0.02em;
    color: var(--clr-navy);
    margin-bottom: var(--sp-2);
}

.step-content p {
    font-size: 0.8125rem;
    color: var(--clr-text-muted);
    line-height: 1.75;
}


/* ============================================================
   12. FINAL CTA SECTION — Güçlü kapatma, koyu lacivert zemin
   ============================================================ */

.final-cta {
    background: var(--grad-panel);   /* düz lacivert → derinlikli gradient */
    padding-block: var(--sp-8);
}

/* İki kolon: sol kapanış metni + sağ gömülü form */
.cta-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--sp-6);
    align-items: start;
}

@media (min-width: 880px) {
    .cta-grid {
        grid-template-columns: 1.05fr 0.95fr;
        gap: var(--sp-7);
    }
}

.cta-inner {
    max-width: 680px;
}

/* --- Gömülü iletişim formu --- */
.cta-form {
    border: 1px solid var(--glass-border);
    padding: var(--sp-4);
    background-color: var(--glass-bg);
    backdrop-filter: blur(var(--glass-blur));
    -webkit-backdrop-filter: blur(var(--glass-blur));
}

.cta-form-title {
    font-size: 0.75rem;
    font-weight: var(--fw-bold);
    letter-spacing: 0.14em;
    text-transform: uppercase;
    color: var(--clr-accent);
    margin-bottom: var(--sp-3);
}

.form-field {
    margin-bottom: var(--sp-3);
}

.form-field label {
    display: block;
    font-size: 12px;
    font-weight: var(--fw-semibold);
    letter-spacing: 0.01em;
    color: rgba(255, 255, 255, 0.6);
    margin-bottom: 6px;
}

.form-field label .opt {
    font-weight: var(--fw-regular);
    color: rgba(255, 255, 255, 0.32);
    text-transform: none;
    letter-spacing: 0;
}

.form-field input,
.form-field textarea {
    width: 100%;
    background-color: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.14);
    border-radius: var(--radius);
    padding: 11px 13px;
    font-family: inherit;
    font-size: 0.875rem;
    color: #fff;
    transition: border-color 0.2s ease-out, background-color 0.2s ease-out;
}

.form-field textarea {
    resize: vertical;
    min-height: 92px;
}

.form-field input::placeholder,
.form-field textarea::placeholder {
    color: rgba(255, 255, 255, 0.3);
}

.form-field input:focus,
.form-field textarea:focus {
    outline: none;
    border-color: var(--clr-accent);
    background-color: rgba(255, 255, 255, 0.08);
}

/* Doğrulama: gönderim denenince boş/hatalı alanlar işaretlenir */
.cta-form.show-errors :invalid {
    border-color: #e5544b;
}

.cta-form-submit {
    width: 100%;
    margin-top: var(--sp-1);
}

.cta-form-status {
    margin-top: var(--sp-3);
    font-size: 0.8125rem;
    line-height: 1.6;
    padding: 11px 13px;
    border-radius: var(--radius);
}

.cta-form-status.ok {
    color: #d8f5e0;
    background-color: rgba(46, 160, 87, 0.14);
    border: 1px solid rgba(46, 160, 87, 0.4);
}

.cta-form-status.warn {
    color: #ffe3d6;
    background-color: rgba(234, 97, 42, 0.12);
    border: 1px solid rgba(234, 97, 42, 0.4);
}

/* Üst etiket */
.cta-eyebrow {
    font-size: 10px;
    font-weight: var(--fw-bold);
    letter-spacing: 0.16em;
    text-transform: uppercase;
    color: var(--clr-accent);
    margin-bottom: var(--sp-3);
    display: block;
}

/* Ana başlık — büyük ve güçlü */
.final-cta h2 {
    font-size: clamp(2.375rem, 5.5vw, 4.25rem);
    font-weight: var(--fw-black);
    line-height: 1.0;
    letter-spacing: -0.045em;
    color: #fff;
    margin-bottom: var(--sp-3);
}

/* Alt metin */
.cta-body {
    font-size: 1rem;
    color: rgba(255, 255, 255, 0.55);
    line-height: 1.68;
    max-width: 460px;
    margin-bottom: var(--sp-4);
    font-weight: var(--fw-medium);
}

/* CTA aksiyonları */
.cta-actions {
    margin-bottom: var(--sp-3);
}

/* İletişim notu */
.cta-contact {
    font-size: 12px;
    color: rgba(255, 255, 255, 0.38);
    letter-spacing: 0.01em;
}

.cta-contact a {
    color: rgba(255, 255, 255, 0.65);
    border-bottom: 1px solid rgba(255, 255, 255, 0.2);
    transition: color 0.2s ease-out, border-color 0.2s ease-out;
}

.cta-contact a:hover {
    color: #fff;
    border-bottom-color: rgba(255, 255, 255, 0.55);
}


/* ============================================================
   13. FOOTER
   ============================================================ */

.site-footer {
    background-color: var(--clr-navy-900);
    padding-block: var(--sp-4);
    border-top: 1px solid rgba(255, 255, 255, 0.06);
}

.footer-inner {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: space-between;
    gap: var(--sp-2);
}

/* Koyu zeminde logo beyazlatılır; turuncu noktalar da beyaza döner — kurumsal sadelik */
.footer-logo {
    height: 30px;
    width: auto;
    filter: brightness(0) invert(1);
    opacity: 0.55;
    transition: opacity 0.2s ease-out;
}

.footer-logo:hover {
    opacity: 0.8;
}

/* Yasal & sosyal bağlantılar */
.footer-legal {
    display: flex;
    flex-wrap: wrap;
    gap: var(--sp-3);
}

.footer-legal a {
    font-size: 12px;
    color: rgba(255, 255, 255, 0.5);
    letter-spacing: 0.02em;
    transition: color 0.2s ease-out;
}

.footer-legal a:hover,
.footer-legal a:focus-visible {
    color: #fff;
}

.footer-copy {
    font-size: 11px;
    color: rgba(255, 255, 255, 0.28);
    letter-spacing: 0.02em;
}


/* ============================================================
   14. RESPONSIVE — Mobil öncelik
   ============================================================ */

@media (max-width: 767px) {

    :root {
        --sp-7: 56px;
        --sp-8: 72px;
    }

    /* --- HEADER mobil --- */

    .nav-toggle {
        display: flex;
    }

    .site-nav {
        display: none;
        flex-direction: column;
        align-items: flex-start;
        gap: var(--sp-1);
        position: fixed;
        inset-block-start: var(--header-h);
        inset-inline: 0;
        background-color: var(--clr-bg);
        padding: var(--sp-3) var(--sp-3) var(--sp-4);
        border-bottom: 1px solid var(--clr-border-mid);
        z-index: 99;
    }

    .site-nav.open {
        display: flex;
    }

    .site-nav a {
        font-size: 16px;
        padding-block: var(--sp-1);
        width: 100%;
    }

    .nav-cta {
        padding: 12px 20px;
        font-size: 14px !important;
        text-align: center;
        justify-content: center;
        margin-top: var(--sp-1);
    }

    /* --- HERO mobil --- */

    .hero {
        min-height: auto;
        padding-block-start: calc(var(--header-h) + var(--sp-5));
        padding-block-end: var(--sp-7);
    }

    .hero-headline {
        margin-bottom: var(--sp-3);
    }

    .hero-accent::after {
        height: 3px;
    }

    .hero-actions {
        flex-direction: column;
        align-items: stretch;
    }

    .hero-actions .btn {
        width: 100%;
        justify-content: center;
        padding: 16px 24px;
    }

    /* --- DIFFERENTIATION mobil --- */

    .diff-statement:last-child {
        border-bottom: none;
    }

    /* --- PILLARS mobil --- */

    .section-header {
        margin-bottom: var(--sp-4);
    }

    /* --- PROCESS mobil --- */

    .process-step:last-child {
        border-bottom: none;
    }

    /* --- FOOTER mobil --- */

    .footer-inner {
        flex-direction: column;
        align-items: flex-start;
        gap: var(--sp-2);
    }
}

/* Orta boy tabletler — 2 sütun pillars için geçiş */
@media (min-width: 600px) and (max-width: 899px) {
    .process-steps {
        grid-template-columns: repeat(2, 1fr);
    }

    .process-step:nth-child(odd) {
        border-right: 1px solid var(--clr-border-mid);
        padding-inline-end: var(--sp-4);
    }

    .process-step:nth-child(1),
    .process-step:nth-child(2) {
        border-bottom: 1px solid var(--clr-border-mid);
        padding-block-end: var(--sp-4);
    }

    .process-step:nth-child(3),
    .process-step:nth-child(4) {
        border-bottom: none;
        padding-block-start: var(--sp-4);
    }

    .process-step {
        border-bottom: none;
        padding-block: 0;
    }
}


/* ============================================================
   15b. KATEGORİ KARTLARI (Ana sayfa hizmetler bölümü)
   ============================================================ */

.kategori-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--sp-3);
}

@media (min-width: 900px) {
    .kategori-grid { grid-template-columns: repeat(4, 1fr); }
}

@media (max-width: 599px) {
    .kategori-grid { grid-template-columns: 1fr; }
}

.kategori-kart {
    background: var(--clr-bg);
    border: 1px solid var(--clr-border);
    padding: var(--sp-4);
    position: relative;
    overflow: hidden;
    text-decoration: none;
    color: inherit;
    display: flex;
    flex-direction: column;
    gap: var(--sp-2);
    transition: border-color .3s, transform .3s, box-shadow .3s;
}

.kategori-kart::before {
    content: '';
    position: absolute;
    inset-block-start: 0;
    inset-inline-start: 0;
    width: 100%;
    height: 3px;
    background: var(--clr-accent);
    transform: scaleX(0);
    transform-origin: left;
    transition: transform .35s ease-out;
}

.kategori-kart:hover::before { transform: scaleX(1); }
.kategori-kart:hover {
    border-color: var(--clr-accent);
    transform: translateY(-4px);
    box-shadow: 0 12px 40px rgba(6,37,86,.10);
}

.kategori-ikon {
    font-size: 2rem;
    line-height: 1;
    margin-bottom: var(--sp-1);
}

.kategori-kart h3 {
    font-size: 1.0625rem;
    font-weight: var(--fw-bold);
    letter-spacing: -.015em;
    color: var(--clr-navy);
}

.kategori-alt-liste {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 6px;
    margin-top: var(--sp-1);
}

.kategori-alt-liste li {
    font-size: .8125rem;
    color: var(--clr-text-muted);
    padding-left: 14px;
    position: relative;
    line-height: 1.4;
}

.kategori-alt-liste li::before {
    content: '';
    position: absolute;
    left: 0;
    top: 6px;
    width: 5px;
    height: 5px;
    background: var(--clr-accent);
    border-radius: 50%;
}

.kategori-kart .kategori-more {
    margin-top: auto;
    padding-top: var(--sp-2);
    font-size: .75rem;
    font-weight: var(--fw-semibold);
    color: var(--clr-accent);
    opacity: 0;
    transform: translateX(-4px);
    transition: opacity .25s, transform .25s;
    border-top: 1px solid var(--clr-border);
}

.kategori-kart:hover .kategori-more {
    opacity: 1;
    transform: translateX(0);
}


/* ============================================================
   15. PREMIUM ETKİLEŞİM KATMANI
   Rakip analizinden (Landor, Wolff Olins, Siegel+Gale) sentezlenen
   ölçülü dokunuşlar. Felsefe korunur: sessiz otorite, accent disiplini.
   Bağımlılık: Lenis (self-host, vendor/lenis.min.js) + saf CSS.
   ============================================================ */

/* --- Lenis gerekli temel stiller --- */
html.lenis,
html.lenis body { height: auto; }

.lenis.lenis-smooth { scroll-behavior: auto !important; }

.lenis.lenis-smooth [data-lenis-prevent] { overscroll-behavior: contain; }

.lenis.lenis-stopped { overflow: hidden; }

/* --- Scroll ilerleme çizgisi — Landor'ın ince üst göstergesinden --- */
.scroll-progress {
    position: fixed;
    inset-block-start: 0;
    inset-inline: 0;
    height: 2px;
    z-index: 200;
    pointer-events: none;
}

.scroll-progress span {
    display: block;
    height: 100%;
    width: 100%;
    background-color: var(--clr-accent);
    transform: scaleX(0);
    transform-origin: left center;
    will-change: transform;
    /* JS scaleX'i her frame günceller; ince bir easing akışı yumuşatır */
    transition: transform 0.08s linear;
}

/* --- Hero scroll ipucu — sessiz "keşfet" işareti --- */
.hero-scroll-cue {
    position: absolute;
    inset-block-end: var(--sp-4);
    inset-inline-start: 50%;
    transform: translateX(-50%);
    display: inline-flex;
    flex-direction: column;
    align-items: center;
    gap: 10px;
    color: var(--clr-text-muted);
    transition: color 0.25s ease-out;
}

.hero-scroll-cue:hover { color: var(--clr-navy); }

.cue-label {
    font-size: 10px;
    font-weight: var(--fw-semibold);
    letter-spacing: 0.18em;
    text-transform: uppercase;
}

.cue-line {
    position: relative;
    width: 1px;
    height: 40px;
    background-color: var(--clr-border-mid);
    overflow: hidden;
}

/* Turuncu nokta çizgide aşağı akar — sürekli, ölçülü */
.cue-line::after {
    content: '';
    position: absolute;
    inset-inline: 0;
    inset-block-start: -40%;
    height: 40%;
    background-color: var(--clr-accent);
    animation: cue-flow 2s cubic-bezier(0.65, 0, 0.35, 1) infinite;
}

@keyframes cue-flow {
    0%   { transform: translateY(-100%); }
    100% { transform: translateY(350%); }
}

/* Scroll ipucu mobilde gizli — dokunmatik kaydırma zaten doğal, ayrıca
   absolute konum hero CTA ile çakışıyor. (Bu kural cue tanımından SONRA
   gelmeli ki kaynak sırasında kazansın — Bölüm 14'e konursa premium
   bölüm onu ezerdi.) */
@media (max-width: 767px) {
    .hero-scroll-cue { display: none; }
}

/* --- Editoryal başlık reveal — Wolff Olins / Siegel+Gale hissi --- */
/* Bölüm başlıkları görünüme girince aşağıdan yukarı "wipe" ile açılır.
   .fade-in konteyneri opaklığı, clip-path başlığın kendisini ortaya çıkarır. */
.section-header.fade-in h2 {
    clip-path: inset(0 0 110% 0);
    transition: clip-path 0.85s cubic-bezier(0.16, 1, 0.3, 1) 0.08s;
}

.section-header.fade-in.visible h2 {
    clip-path: inset(0 0 -12% 0);
}

/* --- Pillar kart numarası — hover'da hafif büyür (Lippincott affordance) --- */
.pillar-number,
.work-cat { transition: transform 0.25s ease-out, background-color 0.2s ease-out; }

.pillar-card:hover .pillar-number { transform: translateX(2px); }


/* ============================================================
   16. ERIŞILEBILIRLIK
   ============================================================ */

/* Odak halkası — klavye navigasyonu */
:focus-visible {
    outline: 2px solid var(--clr-accent);
    outline-offset: 3px;
}

/* Hareketi tercih etmeyenler için animasyonu kapat */
@media (prefers-reduced-motion: reduce) {
    .fade-in {
        opacity: 1;
        transform: none;
        transition: none;
    }

    .pillar-card::before {
        transition: none;
    }

    /* Hero yükleme koreografisi — hareketsiz, içerik direkt görünür */
    .hl-word,
    .hero-load,
    .hero-eyebrow,
    .hero-guide,
    .reg-mark {
        opacity: 1;
        transform: none;
        filter: none;
        animation: none;
    }

    .reg-mark { opacity: 0.26; }

    .hero-accent::after {
        transform: scaleX(1);
        animation: none;
    }

    /* Premium katman — hareketsiz fallback'ler */
    .hero-scroll-cue {
        opacity: 1;
        transform: translateX(-50%);
        animation: none;
    }

    .cue-line::after {
        animation: none;
        transform: translateY(0);
        inset-block-start: 0;
        height: 100%;
        opacity: 0.5;
    }

    /* Başlıklar clip reveal yapmadan tam görünür */
    .section-header.fade-in h2,
    .section-header.fade-in.visible h2 {
        clip-path: none;
        transition: none;
    }

    .scroll-progress span {
        transition: none;
    }

    html {
        scroll-behavior: auto;
    }
}


/* === 16. MEGA MENU === */
.nav-mega { position: static; }
.nav-mega-toggle {
    background: none; border: none; font: inherit; color: var(--clr-text);
    cursor: pointer; display: flex; align-items: center; gap: 5px;
    padding: 8px 0; font-size: 14px; font-weight: var(--fw-medium); transition: color .2s;
}
.nav-mega-toggle:hover, .nav-mega.open .nav-mega-toggle { color: var(--clr-accent); }
.nav-arrow { font-size: 9px; transition: transform .25s; }
.nav-mega.open .nav-arrow { transform: rotate(180deg); }

.mega-panel {
    position: fixed; inset-inline: 0; inset-block-start: var(--header-h);
    background: linear-gradient(180deg, var(--clr-navy-800) 0%, var(--clr-navy-900) 100%);
    border-block-start: 1px solid rgba(255,255,255,.06);
    box-shadow: 0 24px 60px rgba(0,0,0,.35);
    opacity: 0; visibility: hidden; transform: translateY(-8px);
    transition: opacity .25s ease, transform .25s ease, visibility .25s; z-index: 90;
}
.nav-mega.open .mega-panel { opacity: 1; visibility: visible; transform: translateY(0); }

.mega-grid {
    display: grid; grid-template-columns: 1fr 300px; gap: var(--sp-6);
    padding-block: var(--sp-6); align-items: start;
}
.mega-cols { display: grid; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); gap: var(--sp-5) var(--sp-6); }

.mega-col-head {
    display: flex; align-items: center; gap: 8px; font-size: .95rem;
    font-weight: var(--fw-bold); color: #fff; text-decoration: none;
    padding-block-end: var(--sp-2); margin-block-end: var(--sp-3);
    border-block-end: 1px solid rgba(255,255,255,.12); transition: color .2s;
}
.mega-col-head:hover { color: var(--clr-accent); }
.mega-col-ikon { font-size: 1.1rem; }
.mega-col-list { list-style: none; margin: 0; padding: 0; display: grid; gap: 2px; }
.mega-col-list a { display: block; padding: 7px 8px; margin-inline: -8px; border-radius: var(--radius); text-decoration: none; transition: background .15s; }
.mega-col-list a:hover { background: rgba(255,255,255,.05); }
.mega-item-baslik { display: block; font-size: .85rem; font-weight: var(--fw-medium); color: rgba(255,255,255,.92); transition: color .15s; }
.mega-col-list a:hover .mega-item-baslik { color: var(--clr-accent); }
.mega-item-ozet { display: block; font-size: .72rem; line-height: 1.4; color: rgba(255,255,255,.45); margin-block-start: 1px; }

.mega-promo {
    display: flex; flex-direction: column; gap: 6px; padding: var(--sp-5);
    border-radius: var(--radius);
    background: linear-gradient(150deg, rgba(234,97,42,.16) 0%, rgba(234,97,42,.04) 100%);
    border: 1px solid rgba(234,97,42,.25); text-decoration: none;
    transition: border-color .2s, transform .2s;
}
.mega-promo:hover { border-color: var(--clr-accent); transform: translateY(-2px); }
.mega-promo-eyebrow { font-size: 10px; font-weight: var(--fw-bold); letter-spacing: .14em; text-transform: uppercase; color: var(--clr-accent); }
.mega-promo-baslik { font-size: 1.05rem; font-weight: var(--fw-bold); color: #fff; line-height: 1.25; }
.mega-promo-metin { font-size: .8rem; line-height: 1.5; color: rgba(255,255,255,.6); }
.mega-promo-cta { margin-block-start: auto; padding-block-start: var(--sp-2); font-size: .8rem; font-weight: var(--fw-bold); color: var(--clr-accent); }

@media (max-width: 980px) {
    .mega-panel { position: static; inset-block-start: auto; background: transparent; box-shadow: none; border: none; opacity: 1; visibility: visible; transform: none; padding: 0; }
    .nav-mega:not(.open) .mega-panel { display: none; }
    .mega-grid { display: block; padding: var(--sp-2) 0 var(--sp-3); }
    .mega-cols { display: block; }
    .mega-col { margin-block-end: var(--sp-3); }
    .mega-col-head { color: var(--clr-navy); border-color: var(--clr-border); }
    .mega-item-baslik { color: var(--clr-text); }
    .mega-item-ozet { display: none; }
    .mega-col-list a:hover { background: var(--clr-bg); }
    .mega-promo { display: none; }
    .nav-mega-toggle { width: 100%; justify-content: space-between; font-size: 1rem; padding: 10px 0; }
}


/* === 17. ANIMASYON BOLUMLERI === */
.hizmet-panels { position: relative; }
.hizmet-panel {
    position: sticky; inset-block-start: 0;
    min-height: 100vh; display: flex; align-items: center;
    overflow: hidden; will-change: transform, filter; transform-origin: center center;
    backface-visibility: hidden;
    background-size: cover; background-position: center; background-repeat: no-repeat;
}
.hizmet-panel.panel-dark { background-color: var(--clr-navy-900); color: #fff; }
.hizmet-panel.panel-light { background-color: var(--clr-navy); color: #fff; }
/* Yazısız banner zemini (kategori rengi + sağda kolaj) + kontrast değişkenleri:
   açık kategorilerde koyu metin/navy buton, navy'de beyaz metin/turuncu buton */
.hizmet-panel.panel-web        { --panel-on: var(--svc-web-on);         --panel-btn: var(--clr-navy);   --panel-btn-on:#fff; background-color: var(--svc-web);         background-image: url('public/svc-web.webp'); }
.hizmet-panel.panel-produksiyon{ --panel-on: var(--svc-produksiyon-on); --panel-btn: var(--clr-navy);   --panel-btn-on:#fff; background-color: var(--svc-produksiyon); background-image: url('public/svc-produksiyon.webp'); }
.hizmet-panel.panel-tasarim    { --panel-on: var(--svc-tasarim-on);     --panel-btn: var(--clr-navy);   --panel-btn-on:#fff; background-color: var(--svc-tasarim);     background-image: url('public/svc-tasarim.webp'); }
.hizmet-panel.panel-dijital    { --panel-on: var(--svc-dijital-on);     --panel-btn: var(--clr-accent); --panel-btn-on:#fff; background-color: var(--svc-dijital);     background-image: url('public/svc-dijital.webp'); }
/* HTML metni göster — sol yarıda, kolajın üstüne gelmeyecek şekilde */
.panel-inner { display: flex; align-items: center; width: 100%; }
.panel-text { position: relative; z-index: 2; width: 50%; max-width: 600px; color: var(--panel-on, #fff); }
.panel-eyebrow { display: inline-block; font-size: 11px; font-weight: var(--fw-bold); letter-spacing: .18em; text-transform: uppercase; color: var(--panel-on, #fff); opacity: .7; margin-block-end: var(--sp-3); }
.panel-baslik { font-family: 'Bebas Neue','Inter',sans-serif; font-size: clamp(2.2rem, 5vw, 4rem); line-height: .95; margin-block-end: var(--sp-4); display: flex; align-items: center; gap: var(--sp-3); overflow-wrap: break-word; }
.panel-ikon { font-size: .55em; }
.panel-aciklama { font-size: clamp(1rem,1.4vw,1.2rem); line-height: 1.6; max-width: 46ch; margin-block-end: var(--sp-4); opacity: .88; }
.panel-liste { list-style: none; margin: 0 0 var(--sp-5); padding: 0; display: flex; flex-wrap: wrap; gap: var(--sp-2) var(--sp-4); }
.panel-liste a { font-size: .95rem; font-weight: var(--fw-medium); text-decoration: none; color: inherit; opacity: .75; padding-block-end: 3px; border-block-end: 1px solid transparent; transition: opacity .2s, border-color .2s, color .2s; }
.panel-liste a:hover { opacity: 1; color: var(--clr-accent); border-block-end-color: var(--clr-accent); }
.panel-cta { display: inline-flex; align-items: center; gap: 8px; background: var(--panel-btn, var(--clr-accent)); color: var(--panel-btn-on, #fff); text-decoration: none; font-size: .9rem; font-weight: var(--fw-bold); letter-spacing: .04em; text-transform: uppercase; padding: 1rem 2.25rem; border-radius: var(--radius); transition: filter .2s, transform .2s; }
.panel-cta:hover { filter: brightness(1.08); transform: translateX(4px); }
.panel-visual { display: none; }

.calismalar { position: relative; z-index: 5; background: var(--clr-navy-900); color: #fff; overflow: hidden; }
.calismalar-pin { height: 100vh; display: flex; align-items: center; }
.calismalar-track { display: flex; gap: var(--sp-5); padding-inline: var(--sp-6); align-items: stretch; will-change: transform; }
.calismalar-intro { flex: 0 0 auto; width: 32vw; min-width: 280px; display: flex; flex-direction: column; justify-content: center; padding-inline-end: var(--sp-5); }
.calismalar-eyebrow { font-size: 11px; font-weight: var(--fw-bold); letter-spacing:.18em; text-transform: uppercase; color: var(--clr-accent); margin-block-end: var(--sp-3); }
.calismalar-baslik { font-family:'Bebas Neue','Inter',sans-serif; font-size: clamp(2.5rem,6vw,5rem); line-height:.95; margin-block-end: var(--sp-4); }
.calismalar-not { font-size: .9rem; opacity: .55; letter-spacing: .04em; }

.work-card { flex: 0 0 auto; width: clamp(320px, 56vw, 640px); display: flex; }
.work-link { display: flex; flex-direction: column; width: 100%; color: inherit; text-decoration: none; }
.work-media {
    position: relative; aspect-ratio: 16/9; border-radius: var(--radius); overflow: hidden;
    border: 1px solid rgba(255,255,255,.08); margin-block-end: var(--sp-4);
    display: flex; align-items: flex-end; padding: var(--sp-4);
}
.work-media img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; }
.work-media-label { position: relative; font-family:'Bebas Neue','Inter',sans-serif; font-size: clamp(2rem,4vw,3.25rem); letter-spacing: .02em; color: rgba(255,255,255,.92); }
.work-edustern { background: var(--grad-panel); }  /* görsel yüklenene/başarısız olana kadar fallback */
.work-etkinsan { background: linear-gradient(135deg, var(--clr-navy-900) 0%, var(--clr-navy-600) 100%); }
.work-g1 { background: linear-gradient(135deg, var(--clr-navy) 0%, var(--clr-navy-500) 100%); }
.work-g2 { background: linear-gradient(135deg, var(--clr-navy-800) 0%, var(--clr-navy-600) 100%); }
.work-g3 { background: linear-gradient(135deg, var(--clr-navy-900) 0%, var(--clr-navy) 100%); }
.work-g4 { background: linear-gradient(135deg, var(--clr-navy-800) 0%, var(--clr-navy-500) 100%); }
/* Gizli proje karti: isim soluk + kilit hissi (NDA) */
.work-card.is-gizli .work-media-label { opacity: .35; font-size: clamp(1.4rem, 2.6vw, 2rem); }
.work-card.is-gizli .work-ad { opacity: .55; }
.work-body { display: flex; flex-direction: column; gap: var(--sp-2); }
.work-ad { font-size: 1.5rem; font-weight: var(--fw-bold); }
.work-sektor { font-size: .85rem; color: var(--clr-accent); font-weight: var(--fw-medium); }
.work-desc { font-size: .95rem; line-height: 1.65; color: rgba(255,255,255,.7); max-width: 52ch; }
.work-tags { list-style: none; margin: var(--sp-2) 0 0; padding: 0; display: flex; flex-wrap: wrap; gap: var(--sp-2); }
.work-tags li { font-size: .75rem; font-weight: var(--fw-medium); color: rgba(255,255,255,.8); border: 1px solid rgba(255,255,255,.18); border-radius: 999px; padding: 5px 12px; }
.work-visit { margin-block-start: var(--sp-3); font-size: .85rem; font-weight: var(--fw-bold); color: var(--clr-accent); display: inline-flex; align-items: center; gap: 6px; transition: gap .2s; }
.work-link:hover .work-visit { gap: 12px; }
.work-link:hover .work-media { border-color: var(--clr-accent); }

@media (max-width: 860px) {
    /* Mobil: banner zemini kapanır (metinle çakışmasın); metin üstte,
       Serhat'ın kolajı altında ayrı görsel. Paneller normal akış (sticky/recede yok). */
    .hizmet-panel { position: relative; min-height: auto; padding-block: var(--sp-6); background-image: none !important; }
    .panel-inner { flex-direction: column; align-items: flex-start; gap: var(--sp-4); }
    .panel-text { width: 100%; max-width: none; }
    .panel-visual { display: block; width: 100%; }
    .panel-visual-img { width: 100%; height: auto; display: block; border-radius: var(--radius); }
    .panel-liste { flex-direction: column; gap: var(--sp-2); }
}
@media (prefers-reduced-motion: reduce) {
    .hizmet-panel { position: relative; min-height: auto; padding-block: var(--sp-7); }
    .calismalar-pin { height: auto; padding-block: var(--sp-7); }
    .calismalar-track { flex-wrap: wrap; }
    .work-card { width: 100%; }
}

/* === 18. DONEN 3D AMBLEM (hero) ===
   Bu bolum bilincli olarak ANIM_CSS icinde: build_animations.py style.css'i
   17. bolumden sonra kesip yeniden yazdigi icin, logo CSS'i burada olmazsa
   her calistirilmada silinir. Buraya gomulu -> her zaman yeniden yazilir. */
.hero .hero-inner { margin-inline: 0; }
.hero-stage {
    position: absolute; inset-block: 0; inset-inline-end: 2%;
    width: 38%; max-width: 520px;
    display: flex; align-items: center; justify-content: center;
    perspective: 1400px; pointer-events: none; z-index: 0;
}
.logo3d {
    position: relative; width: clamp(200px, 24vw, 380px); aspect-ratio: 1;
    transform-style: preserve-3d; will-change: transform; rotate: x 8deg;
}
.logo3d-layer {
    position: absolute; inset: 0;
    background-size: contain; background-repeat: no-repeat; background-position: center;
    backface-visibility: visible;   /* 90-270 arasi kaybolmasin -> kesintisiz 360 donus */
}
.hero-stage::before {
    content: ''; position: absolute; width: 70%; aspect-ratio: 1; border-radius: 50%;
    background: radial-gradient(circle, rgba(234,97,42,.20) 0%, transparent 70%);
    filter: blur(48px); z-index: -1;
}
@media (min-width: 1100px) {
    .hero .hero-inner { max-width: 620px; }
    .hero-stage { inset-inline-end: 4%; width: 40%; }
}
@media (max-width: 1099px) {
    .hero-stage { inset-inline-end: -10%; width: 72%; opacity: 0.12; }
}
@media (prefers-reduced-motion: reduce) {
    .logo3d { rotate: x 8deg; }   /* sabit, donmez */
}