/*
 * Plato Bilişim Group — Kurumsal Tema
 * Dark navy + silver + cyan/indigo aksent.
 * Lightweight, framework-free, mobile-first.
 */

/* ============================================================
   1. RESET & TOKENS
   ============================================================ */

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

html {
    -webkit-text-size-adjust: 100%;
    text-size-adjust: 100%;
    scroll-behavior: smooth;
    scroll-padding-top: 92px;
}

:root {
    /* Renk paleti */
    --bg:           #06080f;
    --bg-2:         #0a0f1c;
    --bg-3:         #0d1424;
    --surface:      rgba(255, 255, 255, 0.02);
    --surface-2:    rgba(255, 255, 255, 0.04);
    --surface-3:    rgba(255, 255, 255, 0.06);
    --border:       rgba(148, 163, 184, 0.12);
    --border-2:     rgba(148, 163, 184, 0.18);
    --border-strong:rgba(148, 163, 184, 0.28);

    --text:         #e6edf7;
    --text-soft:    #c5cfdf;
    --text-muted:   #8a98ad;
    --text-dim:     #5e6a80;

    --accent:       #38bdf8;     /* sky */
    --accent-2:     #818cf8;     /* indigo */
    --accent-3:     #22d3ee;     /* cyan */
    --silver:       #cbd5e1;

    --success:      #22c55e;
    --warning:      #f59e0b;
    --info:         #38bdf8;

    --grad:         linear-gradient(135deg, #7dd3fc 0%, #818cf8 50%, #c4b5fd 100%);
    --grad-soft:    linear-gradient(135deg, rgba(125, 211, 252, .14) 0%, rgba(129, 140, 248, .14) 100%);

    /* Spacing & typography */
    --container:    1240px;
    --radius-sm:    8px;
    --radius:       14px;
    --radius-lg:    22px;
    --radius-xl:    28px;
    --shadow:       0 1px 0 rgba(255,255,255,0.04) inset, 0 30px 60px -30px rgba(2, 6, 23, .8);
    --shadow-lg:    0 1px 0 rgba(255,255,255,0.06) inset, 0 40px 90px -40px rgba(2, 6, 23, .9);

    --font-sans:    'Inter', system-ui, -apple-system, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    --font-display: 'Space Grotesk', 'Inter', system-ui, sans-serif;

    --easing:       cubic-bezier(.4, 0, .2, 1);
    --easing-out:   cubic-bezier(.2, .7, .2, 1);
}

body {
    margin: 0;
    font-family: var(--font-sans);
    font-size: 16px;
    line-height: 1.65;
    color: var(--text);
    background: var(--bg);
    background-image:
        radial-gradient(circle at 12% -10%, rgba(56, 189, 248, .14), transparent 45%),
        radial-gradient(circle at 88% 0%, rgba(129, 140, 248, .12), transparent 50%),
        radial-gradient(circle at 50% 110%, rgba(34, 211, 238, .08), transparent 55%);
    background-attachment: fixed;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    overflow-x: hidden;
}

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

a {
    color: inherit;
    text-decoration: none;
    transition: color .2s var(--easing);
}

a:hover { color: var(--accent); }

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

button { font: inherit; cursor: pointer; border: 0; background: transparent; color: inherit; }

p { margin: 0 0 1em; color: var(--text-soft); }

h1, h2, h3, h4, h5 {
    font-family: var(--font-display);
    font-weight: 700;
    color: var(--text);
    margin: 0 0 .4em;
    letter-spacing: -.015em;
    line-height: 1.15;
}

h1 { font-size: clamp(2.4rem, 4.8vw, 4.4rem); letter-spacing: -.025em; line-height: 1.05; }
h2 { font-size: clamp(1.8rem, 3.2vw, 2.8rem); letter-spacing: -.02em; }
h3 { font-size: clamp(1.25rem, 2vw, 1.5rem); }
h4 { font-size: 1.05rem; }

::selection { background: rgba(56, 189, 248, .3); color: #fff; }

/* ============================================================
   2. UTILITIES
   ============================================================ */

.container {
    width: 100%;
    max-width: var(--container);
    padding: 0 24px;
    margin: 0 auto;
}

.section {
    padding: clamp(72px, 9vw, 130px) 0;
    position: relative;
}

.section--tight   { padding: clamp(48px, 6vw, 90px) 0; }
.section--bg      { background: linear-gradient(180deg, transparent 0%, rgba(13, 20, 36, .4) 50%, transparent 100%); }

.eyebrow {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    font-family: var(--font-display);
    font-size: 13px;
    font-weight: 600;
    letter-spacing: .14em;
    text-transform: uppercase;
    color: var(--accent);
    padding: 6px 14px;
    border: 1px solid rgba(56, 189, 248, .25);
    border-radius: 999px;
    background: linear-gradient(180deg, rgba(56, 189, 248, .08), rgba(56, 189, 248, 0));
    margin-bottom: 18px;
}

.eyebrow::before {
    content: '';
    width: 6px; height: 6px; border-radius: 999px;
    background: var(--accent);
    box-shadow: 0 0 10px var(--accent);
}

.section__head {
    max-width: 760px;
    margin: 0 0 56px;
}

.section__head--center {
    margin-left: auto;
    margin-right: auto;
    text-align: center;
}

.section__lead {
    font-size: 1.075rem;
    color: var(--text-muted);
    max-width: 60ch;
    line-height: 1.7;
}

.section__head--center .section__lead { margin-left: auto; margin-right: auto; }

.skip-link {
    position: absolute;
    top: -100px;
    left: 12px;
    background: var(--bg-3);
    color: var(--text);
    padding: 10px 16px;
    border-radius: 8px;
    z-index: 1000;
    transition: top .2s;
}
.skip-link:focus { top: 12px; outline: 2px solid var(--accent); }

/* Decorative grid background */
.bg-grid {
    position: absolute;
    inset: 0;
    background-image:
        linear-gradient(rgba(148, 163, 184, .045) 1px, transparent 1px),
        linear-gradient(90deg, rgba(148, 163, 184, .045) 1px, transparent 1px);
    background-size: 56px 56px;
    mask-image: radial-gradient(ellipse 70% 60% at 50% 30%, #000 35%, transparent 80%);
    -webkit-mask-image: radial-gradient(ellipse 70% 60% at 50% 30%, #000 35%, transparent 80%);
    pointer-events: none;
    z-index: 0;
}

/* ============================================================
   3. BUTTONS
   ============================================================ */

.btn {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 14px 22px;
    font-family: var(--font-display);
    font-weight: 600;
    font-size: 15px;
    letter-spacing: .005em;
    border-radius: 999px;
    transition: transform .2s var(--easing-out), box-shadow .25s, background .25s, border-color .25s, color .2s;
    border: 1px solid transparent;
    white-space: nowrap;
    line-height: 1;
}

.btn--sm { padding: 10px 16px; font-size: 13.5px; }
.btn--lg { padding: 16px 26px; font-size: 16px; }

.btn--primary {
    background: linear-gradient(135deg, #7dd3fc 0%, #818cf8 100%);
    color: #0b1020;
    box-shadow: 0 12px 30px -10px rgba(56, 189, 248, .55), inset 0 1px 0 rgba(255,255,255,.4);
}
.btn--primary:hover {
    transform: translateY(-1px);
    box-shadow: 0 18px 40px -12px rgba(129, 140, 248, .55), inset 0 1px 0 rgba(255,255,255,.4);
    color: #0b1020;
}

.btn--ghost {
    background: rgba(255, 255, 255, .03);
    color: var(--text);
    border-color: var(--border-2);
    backdrop-filter: blur(8px);
}
.btn--ghost:hover {
    border-color: var(--border-strong);
    background: rgba(255, 255, 255, .06);
    color: var(--text);
    transform: translateY(-1px);
}

.btn--text {
    padding-left: 4px; padding-right: 4px;
    color: var(--accent);
    border-radius: 0;
}
.btn--text:hover { color: var(--text); }

.btn .icon { transition: transform .25s var(--easing); }
.btn:hover .icon { transform: translateX(2px); }

/* ============================================================
   4. HEADER / NAV
   ============================================================ */

.site-header {
    position: sticky;
    top: 0;
    z-index: 100;
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    background: rgba(6, 8, 15, .6);
    border-bottom: 1px solid transparent;
    transition: background .25s, border-color .25s, box-shadow .25s;
}

.site-header.is-scrolled {
    background: rgba(6, 8, 15, .88);
    border-bottom-color: var(--border);
    box-shadow: 0 4px 30px -4px rgba(2, 6, 23, .6);
}

.site-header__inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
    padding: 16px 24px;
    max-width: var(--container);
    margin: 0 auto;
}

.brand {
    display: inline-flex;
    align-items: center;
    gap: 12px;
    color: var(--text);
}
.brand:hover { color: var(--text); }

.brand__mark {
    display: grid;
    place-items: center;
    color: var(--accent);
}

.brand__text {
    display: flex;
    flex-direction: column;
    line-height: 1.05;
}

.brand__title {
    font-family: var(--font-display);
    font-weight: 700;
    font-size: 20px;
    letter-spacing: -.015em;
}

.brand__sub {
    font-size: 11.5px;
    font-weight: 600;
    letter-spacing: .3em;
    text-transform: uppercase;
    color: var(--accent);
    opacity: .8;
}

.brand--footer .brand__mark { color: var(--silver); }

.nav-toggle {
    display: none;
    width: 44px; height: 44px;
    align-items: center;
    justify-content: center;
    color: var(--text);
    border: 1px solid var(--border);
    border-radius: 12px;
    background: var(--surface-2);
}
.nav-toggle .icon:nth-child(2) { display: none; }
.nav-toggle[aria-expanded="true"] .icon:nth-child(1) { display: none; }
.nav-toggle[aria-expanded="true"] .icon:nth-child(2) { display: inline-block; }

.primary-nav__list {
    display: flex;
    align-items: center;
    gap: 4px;
}

.primary-nav__item > a {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 10px 14px;
    font-size: 14.5px;
    font-weight: 500;
    color: var(--text-soft);
    border-radius: 10px;
    transition: color .2s, background .2s;
}

.primary-nav__item:hover > a,
.primary-nav__item.is-active > a {
    color: var(--text);
    background: var(--surface-3);
}

.primary-nav__item .caret {
    font-size: 11px;
    color: var(--text-muted);
    margin-left: 2px;
}

.primary-nav__cta { margin-left: 6px; }

/* Dropdowns */
.has-dropdown { position: relative; }

.dropdown {
    position: absolute;
    top: calc(100% + 8px);
    left: 0;
    min-width: 240px;
    padding: 10px;
    background: rgba(13, 20, 36, .96);
    backdrop-filter: blur(20px);
    border: 1px solid var(--border-2);
    border-radius: 16px;
    box-shadow: var(--shadow-lg);
    opacity: 0;
    visibility: hidden;
    transform: translateY(-6px);
    transition: opacity .2s, transform .2s, visibility .2s;
}

.dropdown--wide {
    min-width: 480px;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 6px;
    padding: 14px;
}

.has-dropdown:hover .dropdown,
.has-dropdown:focus-within .dropdown {
    opacity: 1; visibility: visible; transform: translateY(0);
}

.dropdown a {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 9px 12px;
    border-radius: 10px;
    color: var(--text-soft);
    font-size: 14px;
    transition: background .2s, color .2s;
}
.dropdown a:hover { color: var(--text); background: var(--surface-3); }
.dropdown a .icon { color: var(--accent); flex-shrink: 0; }

.dropdown__col { display: flex; flex-direction: column; gap: 2px; }
.dropdown__title {
    padding: 8px 12px;
    font-size: 11px;
    letter-spacing: .2em;
    text-transform: uppercase;
    color: var(--text-dim);
    font-weight: 600;
}

/* ============================================================
   5. HERO
   ============================================================ */

.hero {
    position: relative;
    overflow: hidden;
    padding: clamp(80px, 11vw, 160px) 0 clamp(60px, 8vw, 100px);
}

.hero__inner {
    position: relative;
    z-index: 2;
    display: grid;
    grid-template-columns: 1.15fr 1fr;
    gap: 48px;
    align-items: center;
    max-width: none;
}

.hero__content { max-width: 640px; }

.hero__title {
    font-size: clamp(2.6rem, 6vw, 5rem);
    line-height: 1.02;
    letter-spacing: -.03em;
    margin-bottom: 28px;
}

.hero__title .grad {
    background: var(--grad);
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
}

.hero__lead {
    font-size: clamp(1.05rem, 1.4vw, 1.2rem);
    line-height: 1.7;
    color: var(--text-muted);
    max-width: 62ch;
    margin-bottom: 36px;
}

.hero__actions {
    display: flex;
    flex-wrap: wrap;
    gap: 14px;
    margin-bottom: 56px;
}

.hero__stats {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 14px;
}

.hero__stat {
    padding: 16px 18px;
    border: 1px solid var(--border);
    border-radius: var(--radius);
    background: linear-gradient(180deg, rgba(255,255,255,.03), rgba(255,255,255,0));
    backdrop-filter: blur(8px);
}

.hero__stat-num {
    font-family: var(--font-display);
    font-size: 1.15rem;
    font-weight: 700;
    color: var(--text);
    margin-bottom: 2px;
    line-height: 1;
}

.hero__stat-label {
    font-size: 13px;
    color: var(--text-muted);
}

/* Hero Showcase (sağ sütun) */
.hero__showcase {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 12px;
    position: relative;
    z-index: 2;
}

.showcase-card {
    padding: 20px;
    border: 1px solid var(--border);
    border-radius: var(--radius);
    background: linear-gradient(180deg, rgba(255,255,255,.03), rgba(255,255,255,0));
    backdrop-filter: blur(8px);
    transition: transform .35s var(--easing-out), border-color .25s, background .25s;
    display: flex;
    flex-direction: column;
    gap: 10px;
    position: relative;
    overflow: hidden;
}

.showcase-card::before {
    content: '';
    position: absolute;
    inset: 0;
    border-radius: inherit;
    padding: 1px;
    background: var(--grad);
    -webkit-mask: linear-gradient(#000 0 0) content-box, linear-gradient(#000 0 0);
    mask: linear-gradient(#000 0 0) content-box, linear-gradient(#000 0 0);
    -webkit-mask-composite: xor;
    mask-composite: exclude;
    opacity: 0;
    transition: opacity .3s;
    pointer-events: none;
}

.showcase-card:hover {
    transform: translateY(-3px);
    border-color: var(--border-strong);
    background: linear-gradient(180deg, rgba(255,255,255,.05), rgba(255,255,255,.01));
}
.showcase-card:hover::before { opacity: 1; }

.showcase-card--featured {
    grid-column: span 2;
    background:
        radial-gradient(ellipse 60% 80% at 20% 0%, rgba(56, 189, 248, .1), transparent 50%),
        linear-gradient(180deg, rgba(255,255,255,.04), rgba(255,255,255,.005));
}

.showcase-card__icon {
    width: 40px; height: 40px;
    display: grid; place-items: center;
    border-radius: 10px;
    background: var(--grad-soft);
    color: var(--accent);
    border: 1px solid rgba(56, 189, 248, .2);
    flex-shrink: 0;
}

.showcase-card__name {
    font-family: var(--font-display);
    font-weight: 600;
    font-size: .95rem;
    color: var(--text);
    margin: 0;
    line-height: 1.2;
}

.showcase-card__desc {
    font-size: .82rem;
    color: var(--text-muted);
    margin: 0;
    line-height: 1.5;
}

.showcase-card__meta {
    display: flex;
    align-items: center;
    gap: 8px;
    margin-top: auto;
    font-size: 12px;
}

/* Hero visual orb */
.hero__visual {
    position: absolute;
    right: -8%;
    top: 0;
    width: 60%;
    aspect-ratio: 1;
    z-index: 0;
    pointer-events: none;
    opacity: .7;
}

.hero__orb {
    position: absolute;
    border-radius: 50%;
    filter: blur(60px);
    opacity: .4;
}

.hero__orb--1 {
    inset: 10% 20% 30% 10%;
    background: radial-gradient(circle, rgba(56, 189, 248, .6), transparent 70%);
}

.hero__orb--2 {
    inset: 30% 0 10% 30%;
    background: radial-gradient(circle, rgba(129, 140, 248, .55), transparent 70%);
}

.hero__rings {
    position: absolute;
    inset: 5%;
    border-radius: 50%;
    border: 1px solid var(--border-2);
    animation: rotate 60s linear infinite;
}
.hero__rings::before,
.hero__rings::after {
    content: '';
    position: absolute;
    inset: 12%;
    border-radius: 50%;
    border: 1px solid var(--border);
}
.hero__rings::after { inset: 26%; border-color: rgba(56, 189, 248, .15); }

@keyframes rotate {
    to { transform: rotate(360deg); }
}

/* ============================================================
   5b. DIJITAL VARLIK PORTFÖYÜ (holding vitrin)
   ============================================================ */

.portfolio-showcase {
    display: grid;
    grid-template-columns: repeat(5, minmax(0, 1fr));
    gap: 1px;
    background: var(--border);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    overflow: hidden;
}

.pf-item {
    background: var(--bg-2);
    padding: 28px 24px;
    text-align: center;
    transition: background .25s;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 12px;
}
.pf-item:hover { background: var(--bg-3); }

.pf-item__icon {
    width: 52px; height: 52px;
    display: grid; place-items: center;
    border-radius: 14px;
    background: var(--grad-soft);
    color: var(--accent);
    border: 1px solid rgba(56, 189, 248, .18);
}

.pf-item__title {
    font-family: var(--font-display);
    font-weight: 600;
    font-size: 1rem;
    color: var(--text);
    margin: 0;
}

.pf-item__count {
    font-family: var(--font-display);
    font-size: 1.65rem;
    font-weight: 700;
    background: var(--grad);
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
    line-height: 1;
}

.pf-item__label {
    font-size: .82rem;
    color: var(--text-muted);
    margin: 0;
    line-height: 1.4;
}

/* Kurumsal yoğunluk bandı */
.density-band {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 1px;
    background: var(--border);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    overflow: hidden;
}

.density-cell {
    background: var(--bg-2);
    padding: 32px 28px;
    text-align: center;
}
.density-cell:hover { background: var(--bg-3); }

.density-cell__num {
    font-family: var(--font-display);
    font-size: 2.4rem;
    font-weight: 700;
    background: var(--grad);
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
    line-height: 1;
    margin-bottom: 8px;
}

.density-cell__label {
    font-size: .92rem;
    color: var(--text-muted);
    margin: 0;
}

/* ============================================================
   6. SECTION: KISA KURUMSAL TANIM
   ============================================================ */

.intro {
    display: grid;
    grid-template-columns: minmax(280px, 1fr) 1.4fr;
    gap: 64px;
    align-items: start;
}

.intro__title { margin: 0; font-size: clamp(1.8rem, 3vw, 2.6rem); }
.intro__body p { font-size: 1.075rem; line-height: 1.8; color: var(--text-soft); }
.intro__body p + p { margin-top: 1em; }

/* ============================================================
   7. CARD GRID
   ============================================================ */

.grid {
    display: grid;
    gap: 22px;
}

.grid--2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.grid--3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.grid--4 { grid-template-columns: repeat(4, minmax(0, 1fr)); }

.card {
    position: relative;
    padding: 28px;
    background: linear-gradient(180deg, rgba(255,255,255,.025) 0%, rgba(255,255,255,.005) 100%);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    transition: transform .35s var(--easing-out), border-color .25s, background .25s;
    overflow: hidden;
}

.card::before {
    content: '';
    position: absolute;
    inset: 0;
    border-radius: inherit;
    padding: 1px;
    background: var(--grad);
    -webkit-mask: linear-gradient(#000 0 0) content-box, linear-gradient(#000 0 0);
    mask: linear-gradient(#000 0 0) content-box, linear-gradient(#000 0 0);
    -webkit-mask-composite: xor;
    mask-composite: exclude;
    opacity: 0;
    transition: opacity .3s;
    pointer-events: none;
}

.card:hover {
    transform: translateY(-3px);
    border-color: var(--border-strong);
    background: linear-gradient(180deg, rgba(255,255,255,.04) 0%, rgba(255,255,255,.01) 100%);
}

.card:hover::before { opacity: 1; }

.card__icon {
    width: 48px; height: 48px;
    display: grid; place-items: center;
    border-radius: 12px;
    background: var(--grad-soft);
    color: var(--accent);
    margin-bottom: 18px;
    border: 1px solid rgba(56, 189, 248, .2);
}

.card__title {
    font-family: var(--font-display);
    font-size: 1.125rem;
    font-weight: 600;
    margin: 0 0 8px;
    letter-spacing: -.005em;
}

.card__body {
    color: var(--text-muted);
    font-size: .94rem;
    line-height: 1.65;
    margin: 0;
}

.card--link {
    display: flex;
    flex-direction: column;
}

.card--link .card__cta {
    margin-top: auto;
    padding-top: 18px;
    color: var(--accent);
    font-weight: 600;
    font-size: 14px;
    display: inline-flex;
    align-items: center;
    gap: 6px;
}

.card--ghost {
    background: transparent;
    border-style: dashed;
    border-color: rgba(148, 163, 184, .14);
}
.card--ghost:hover { background: var(--surface); border-style: solid; }

/* ============================================================
   8. STATUS BADGES
   ============================================================ */

.status {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    font-size: 11px;
    font-weight: 600;
    letter-spacing: .08em;
    text-transform: uppercase;
    padding: 5px 10px;
    border-radius: 999px;
    border: 1px solid transparent;
    line-height: 1;
}
.status::before {
    content: '';
    width: 6px; height: 6px; border-radius: 999px;
    background: currentColor;
}
.status.is-active   { color: #4ade80; background: rgba(34, 197, 94, .1); border-color: rgba(34, 197, 94, .25); }
.status.is-dev      { color: #fbbf24; background: rgba(245, 158, 11, .1); border-color: rgba(245, 158, 11, .25); }
.status.is-soon     { color: #38bdf8; background: rgba(56, 189, 248, .1); border-color: rgba(56, 189, 248, .25); }
.status.is-planned  { color: #c4b5fd; background: rgba(196, 181, 253, .08); border-color: rgba(196, 181, 253, .22); }
.status.is-default  { color: var(--text-muted); background: var(--surface-2); border-color: var(--border); }

/* ============================================================
   9. PORTFOLIO CARD (siteler / uzantılar / mobil)
   ============================================================ */

.portfolio-card {
    position: relative;
    padding: 22px;
    background: linear-gradient(180deg, rgba(255,255,255,.025), rgba(255,255,255,.003));
    border: 1px solid var(--border);
    border-radius: var(--radius);
    transition: border-color .25s, transform .35s var(--easing-out), background .25s;
    display: flex;
    flex-direction: column;
    gap: 12px;
    min-height: 180px;
}
.portfolio-card:hover {
    border-color: var(--border-strong);
    transform: translateY(-2px);
    background: linear-gradient(180deg, rgba(255,255,255,.04), rgba(255,255,255,.005));
}

.portfolio-card__head {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: 10px;
}

.portfolio-card__name {
    font-family: var(--font-display);
    font-weight: 600;
    font-size: 1.02rem;
    color: var(--text);
    margin: 0;
    word-break: break-word;
}

.portfolio-card__cat {
    font-size: 12px;
    font-weight: 500;
    color: var(--text-muted);
    letter-spacing: .04em;
}

.portfolio-card__desc {
    color: var(--text-muted);
    font-size: .9rem;
    line-height: 1.55;
    margin: 0;
    flex: 1;
}

.portfolio-card__foot {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 10px;
    padding-top: 8px;
    border-top: 1px solid var(--border);
    font-size: 13px;
}

.portfolio-card__link {
    display: inline-flex; align-items: center; gap: 6px;
    color: var(--accent);
    font-weight: 600;
}
.portfolio-card__link:hover { color: var(--text); }
.portfolio-card__link .icon { width: 14px; height: 14px; }

.portfolio-card__platform {
    font-size: 12px;
    color: var(--text-muted);
    padding: 4px 8px;
    border-radius: 6px;
    background: var(--surface-2);
    border: 1px solid var(--border);
}

/* ============================================================
   10. ANATOLIA SHOWCASE
   ============================================================ */

.anatolia {
    position: relative;
    padding: clamp(64px, 8vw, 110px) 0;
    overflow: hidden;
    background:
        linear-gradient(180deg, transparent 0%, rgba(13, 20, 36, .55) 60%, transparent 100%);
}

.anatolia__inner {
    display: grid;
    grid-template-columns: 1.05fr 1fr;
    gap: 64px;
    align-items: center;
}

.anatolia__highlights {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 14px;
    margin: 28px 0 32px;
}

.anatolia__highlight {
    display: flex; align-items: flex-start; gap: 10px;
    padding: 14px 16px;
    border: 1px solid var(--border);
    border-radius: var(--radius);
    background: var(--surface);
    font-size: .95rem;
    color: var(--text-soft);
    line-height: 1.45;
}
.anatolia__highlight .icon { color: var(--accent); margin-top: 2px; flex-shrink: 0; }

.browser-mock {
    position: relative;
    border: 1px solid var(--border-2);
    border-radius: var(--radius-lg);
    background: linear-gradient(180deg, rgba(13, 20, 36, .9), rgba(6, 8, 15, .9));
    box-shadow: var(--shadow-lg);
    overflow: hidden;
}

.browser-mock__bar {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 14px 18px;
    border-bottom: 1px solid var(--border);
    background: rgba(255,255,255,.02);
}

.browser-mock__dots {
    display: flex; gap: 6px;
}
.browser-mock__dot {
    width: 11px; height: 11px; border-radius: 50%;
    background: rgba(148, 163, 184, .25);
}

.browser-mock__address {
    flex: 1;
    height: 30px;
    border-radius: 8px;
    background: rgba(255,255,255,.04);
    border: 1px solid var(--border);
    display: flex;
    align-items: center;
    padding: 0 12px;
    font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
    font-size: 12.5px;
    color: var(--text-muted);
    gap: 8px;
}
.browser-mock__address .icon { color: #4ade80; width: 13px; height: 13px; }

.browser-mock__body {
    padding: 26px;
    display: grid;
    gap: 14px;
    min-height: 280px;
    background-image:
        radial-gradient(circle at 30% 20%, rgba(56, 189, 248, .12), transparent 50%),
        radial-gradient(circle at 70% 80%, rgba(129, 140, 248, .14), transparent 50%);
}

.browser-mock__hero {
    font-family: var(--font-display);
    font-size: 1.5rem;
    line-height: 1.1;
    letter-spacing: -.01em;
}
.browser-mock__hero .grad {
    background: var(--grad);
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
}

.browser-mock__row {
    display: flex; gap: 8px; flex-wrap: wrap;
}
.browser-mock__chip {
    padding: 6px 12px;
    border-radius: 999px;
    background: var(--surface-2);
    border: 1px solid var(--border);
    font-size: 12px;
    color: var(--text-soft);
}

.browser-mock__skeleton {
    display: grid; gap: 8px;
}
.browser-mock__skeleton-line {
    height: 10px;
    border-radius: 4px;
    background: linear-gradient(90deg, rgba(255,255,255,.06), rgba(255,255,255,.02));
}
.browser-mock__skeleton-line:nth-child(1) { width: 80%; }
.browser-mock__skeleton-line:nth-child(2) { width: 65%; }
.browser-mock__skeleton-line:nth-child(3) { width: 90%; }

/* ============================================================
   11. FEATURE LIST
   ============================================================ */

.feature-list {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 12px;
}

.feature-list__item {
    display: flex; align-items: flex-start; gap: 12px;
    padding: 14px 16px;
    border: 1px solid var(--border);
    border-radius: var(--radius);
    background: var(--surface);
    color: var(--text-soft);
    font-size: .96rem;
}
.feature-list__item .icon { color: var(--accent); flex-shrink: 0; margin-top: 2px; }

/* ============================================================
   12. TECH AREAS GRID (alt simgeli)
   ============================================================ */

.tech-grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 1px;
    background: var(--border);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    overflow: hidden;
}

.tech-cell {
    background: var(--bg-2);
    padding: 32px 28px;
    transition: background .25s;
    position: relative;
}
.tech-cell:hover { background: var(--bg-3); }

.tech-cell__icon {
    color: var(--accent);
    margin-bottom: 16px;
}

.tech-cell__title {
    font-family: var(--font-display);
    font-weight: 600;
    font-size: 1.075rem;
    margin: 0 0 6px;
}

.tech-cell__desc {
    color: var(--text-muted);
    font-size: .92rem;
    line-height: 1.6;
    margin: 0;
}

/* ============================================================
   13. CTA BAND
   ============================================================ */

.cta-band {
    padding: clamp(60px, 7vw, 90px) 0;
    position: relative;
}

.cta-band__inner {
    display: grid;
    grid-template-columns: 1.4fr auto;
    gap: 48px;
    align-items: center;
    padding: clamp(40px, 5vw, 64px);
    border: 1px solid var(--border-2);
    border-radius: var(--radius-xl);
    background:
        radial-gradient(ellipse 80% 100% at 0% 0%, rgba(56, 189, 248, .12), transparent 60%),
        radial-gradient(ellipse 80% 100% at 100% 100%, rgba(129, 140, 248, .14), transparent 60%),
        linear-gradient(180deg, rgba(13, 20, 36, .85), rgba(6, 8, 15, .85));
    box-shadow: var(--shadow-lg);
    overflow: hidden;
}

.cta-band h2 { margin: 0 0 12px; font-size: clamp(1.5rem, 2.4vw, 2.1rem); }
.cta-band p { margin: 0; color: var(--text-muted); max-width: 60ch; }

.cta-band__actions {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    justify-content: flex-end;
}

/* ============================================================
   14. PAGE HERO (iç sayfalar)
   ============================================================ */

.page-hero {
    position: relative;
    padding: clamp(80px, 8vw, 130px) 0 clamp(48px, 5vw, 80px);
    overflow: hidden;
}

.page-hero__title {
    font-size: clamp(2.2rem, 4.4vw, 3.6rem);
    line-height: 1.05;
    margin: 16px 0 22px;
    max-width: 22ch;
}

.page-hero__title .grad {
    background: var(--grad);
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
}

.page-hero__lead {
    font-size: 1.075rem;
    color: var(--text-muted);
    max-width: 72ch;
    line-height: 1.7;
    margin: 0;
}

/* Breadcrumb */
.breadcrumb { font-size: 13px; color: var(--text-muted); margin-bottom: 16px; }
.breadcrumb ol { display: flex; flex-wrap: wrap; gap: 6px; align-items: center; }
.breadcrumb li:not(:last-child)::after { content: '/'; margin-left: 8px; color: var(--text-dim); }
.breadcrumb a { color: var(--text-muted); }
.breadcrumb a:hover { color: var(--text); }
.breadcrumb [aria-current="page"] { color: var(--text-soft); }

/* ============================================================
   15. FORM
   ============================================================ */

.form {
    display: grid;
    gap: 18px;
}

.form__row {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 18px;
}

.form-field { display: flex; flex-direction: column; gap: 8px; }

.form-field label {
    font-size: 13px;
    font-weight: 500;
    color: var(--text-soft);
    letter-spacing: .01em;
}

.form-field input,
.form-field textarea,
.form-field select {
    width: 100%;
    padding: 14px 16px;
    background: var(--surface);
    border: 1px solid var(--border-2);
    border-radius: var(--radius);
    color: var(--text);
    font-family: inherit;
    font-size: 15px;
    transition: border-color .2s, background .2s, box-shadow .2s;
}

.form-field textarea { min-height: 140px; resize: vertical; line-height: 1.6; }

.form-field input:focus,
.form-field textarea:focus,
.form-field select:focus {
    outline: none;
    border-color: var(--accent);
    background: rgba(255,255,255,.04);
    box-shadow: 0 0 0 4px rgba(56, 189, 248, .12);
}

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

.form__hint { font-size: 12.5px; color: var(--text-muted); }
.form__error { font-size: 13px; color: #fca5a5; }

.alert {
    padding: 14px 18px;
    border-radius: var(--radius);
    font-size: 14px;
    display: flex;
    align-items: center;
    gap: 10px;
}
.alert--success {
    background: rgba(34, 197, 94, .08);
    border: 1px solid rgba(34, 197, 94, .25);
    color: #86efac;
}
.alert--error {
    background: rgba(239, 68, 68, .08);
    border: 1px solid rgba(239, 68, 68, .25);
    color: #fca5a5;
}

.honey { position: absolute; left: -9999px; visibility: hidden; }

/* ============================================================
   16. INFO ROW (kurumsal sayfası)
   ============================================================ */

.info-rows { display: grid; gap: 32px; }

.info-row {
    display: grid;
    grid-template-columns: minmax(200px, 280px) 1fr;
    gap: 56px;
    padding: 32px 0;
    border-top: 1px solid var(--border);
}
.info-row:first-child { border-top: 0; padding-top: 0; }

.info-row__label {
    font-family: var(--font-display);
    font-size: 13px;
    letter-spacing: .18em;
    text-transform: uppercase;
    color: var(--text-muted);
    font-weight: 600;
}

.info-row__title {
    font-size: clamp(1.35rem, 2.2vw, 1.8rem);
    margin: 0 0 12px;
}

.info-row__body p { color: var(--text-soft); margin: 0; line-height: 1.8; }
.info-row__body p + p { margin-top: 1em; }

/* ============================================================
   17. PRINCIPLES
   ============================================================ */

.principles {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 14px;
}

.principle {
    padding: 22px;
    border: 1px solid var(--border);
    border-radius: var(--radius);
    background: var(--surface);
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.principle__icon {
    width: 38px; height: 38px;
    display: grid; place-items: center;
    border-radius: 10px;
    background: var(--grad-soft);
    color: var(--accent);
}

.principle__title {
    font-family: var(--font-display);
    font-size: .98rem;
    font-weight: 600;
    margin: 0;
}

.principle__body { color: var(--text-muted); font-size: .9rem; margin: 0; line-height: 1.55; }

/* ============================================================
   18. FOOTER
   ============================================================ */

.site-footer {
    margin-top: 60px;
    padding: 80px 0 40px;
    border-top: 1px solid var(--border);
    background:
        linear-gradient(180deg, transparent 0%, rgba(13, 20, 36, .35) 100%);
}

.footer-grid {
    display: grid;
    grid-template-columns: 1.6fr repeat(3, 1fr);
    gap: 48px;
    padding-bottom: 56px;
    border-bottom: 1px solid var(--border);
}

.footer-grid__about {
    color: var(--text-muted);
    font-size: .95rem;
    line-height: 1.7;
    max-width: 42ch;
    margin: 18px 0 18px;
}

.footer-mail {
    display: inline-flex; align-items: center; gap: 8px;
    color: var(--accent);
    font-size: 14px;
    font-weight: 500;
}
.footer-mail:hover { color: var(--text); }

.footer-grid__col h4 {
    font-family: var(--font-display);
    font-size: 13px;
    letter-spacing: .14em;
    text-transform: uppercase;
    color: var(--text-muted);
    font-weight: 600;
    margin: 0 0 16px;
}

.footer-grid__col ul { display: grid; gap: 10px; }
.footer-grid__col li a { color: var(--text-soft); font-size: 14.5px; }
.footer-grid__col li a:hover { color: var(--accent); }

.footer-bottom {
    padding-top: 28px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 12px;
    color: var(--text-muted);
    font-size: 13px;
}
.footer-bottom__meta { display: flex; gap: 10px; align-items: center; }

/* ============================================================
   19. 404
   ============================================================ */

.error-page {
    min-height: 70vh;
    display: grid;
    place-items: center;
    text-align: center;
    padding: 80px 0;
}
.error-page__code {
    font-family: var(--font-display);
    font-size: clamp(5rem, 14vw, 10rem);
    background: var(--grad);
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
    line-height: 1;
    margin: 0 0 12px;
}

/* ============================================================
   20. ANIMATIONS (reveal)
   ============================================================ */

[data-reveal] {
    opacity: 0;
    transform: translateY(14px);
    transition: opacity .7s var(--easing-out), transform .7s var(--easing-out);
}
[data-reveal].is-visible {
    opacity: 1; transform: translateY(0);
}

@media (prefers-reduced-motion: reduce) {
    *, *::before, *::after { animation: none !important; transition: none !important; }
    html { scroll-behavior: auto; }
    [data-reveal] { opacity: 1; transform: none; }
}

/* ============================================================
   21. RESPONSIVE
   ============================================================ */

@media (max-width: 1100px) {
    .grid--4 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
    .footer-grid { grid-template-columns: 1.6fr repeat(3, 1fr); gap: 36px; }
}

@media (max-width: 980px) {
    html { scroll-padding-top: 72px; }

    .hero__inner { grid-template-columns: 1fr; gap: 36px; }
    .hero__showcase { grid-template-columns: repeat(3, minmax(0, 1fr)); }
    .showcase-card--featured { grid-column: span 3; }

    .portfolio-showcase { grid-template-columns: repeat(3, minmax(0, 1fr)); }
    .density-band { grid-template-columns: repeat(2, 1fr); }

    .nav-toggle { display: inline-flex; }

    .primary-nav {
        position: fixed;
        inset: 72px 0 0;
        background: rgba(6, 8, 15, .98);
        backdrop-filter: blur(20px);
        padding: 24px;
        overflow-y: auto;
        opacity: 0;
        visibility: hidden;
        transform: translateY(-10px);
        transition: opacity .25s, transform .25s, visibility .25s;
        z-index: 90;
    }
    .primary-nav.is-open {
        opacity: 1; visibility: visible; transform: translateY(0);
    }
    .primary-nav__list {
        flex-direction: column;
        align-items: stretch;
        gap: 4px;
    }
    .primary-nav__item > a {
        padding: 14px 16px;
        font-size: 16px;
        border-radius: 12px;
    }

    .dropdown {
        position: static;
        opacity: 1;
        visibility: visible;
        transform: none;
        background: transparent;
        border: 0;
        padding: 4px 0 8px 12px;
        box-shadow: none;
        min-width: auto;
        display: flex;
        flex-direction: column;
        gap: 2px;
    }
    .dropdown--wide { grid-template-columns: 1fr; padding: 4px 0 8px 12px; }
    .primary-nav__cta { margin-top: 16px; margin-left: 0; }
    .primary-nav__cta .btn { width: 100%; justify-content: center; }

    .grid--3, .grid--4 { grid-template-columns: repeat(2, minmax(0, 1fr)); }

    .intro { grid-template-columns: 1fr; gap: 24px; }
    .anatolia__inner { grid-template-columns: 1fr; gap: 36px; }

    .tech-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }

    .cta-band__inner { grid-template-columns: 1fr; gap: 24px; }
    .cta-band__actions { justify-content: flex-start; }

    .info-row { grid-template-columns: 1fr; gap: 12px; }

    .principles { grid-template-columns: repeat(2, minmax(0, 1fr)); }

    .footer-grid { grid-template-columns: 1fr 1fr; gap: 32px; }
}

@media (max-width: 640px) {
    .container { padding: 0 18px; }
    .site-header__inner { padding: 14px 18px; }

    .hero { padding-top: 56px; padding-bottom: 56px; }
    .hero__visual { width: 90%; right: -30%; opacity: .55; }
    .hero__stats { grid-template-columns: 1fr; }
    .hero__showcase { grid-template-columns: 1fr 1fr; }
    .showcase-card--featured { grid-column: span 2; }

    .portfolio-showcase { grid-template-columns: repeat(2, minmax(0, 1fr)); }
    .density-band { grid-template-columns: 1fr; }

    .grid--2, .grid--3, .grid--4 { grid-template-columns: 1fr; }
    .form__row { grid-template-columns: 1fr; }

    .feature-list { grid-template-columns: 1fr; }
    .anatolia__highlights { grid-template-columns: 1fr; }
    .tech-grid { grid-template-columns: 1fr; }

    .principles { grid-template-columns: 1fr; }

    .footer-grid { grid-template-columns: 1fr; }
}