/* =========================================================================
   Savana Yazilim - tasarim sistemi
   -------------------------------------------------------------------------
   Renkler ve yazi tipi marka kilavuzundan birebir alinmistir.
   Mavi yalnizca vurgu, buton, aktif durum ve onemli grafik detaylarinda
   kullanilir; genel atmosfer koyu, sade ve bosluklu tutulur.
   ========================================================================= */

@import url('/assets/fonts/fonts.css');

/* ---------------------------------------------------------------- tokenlar */
:root {
  /*
   * Acik tema.
   *
   * Degiskenler rengi degil ROLU tanimlar; tema degistirmek icin yalnizca
   * bu blogu degistirmek yeterlidir.
   *
   * Renkler marka paletinden gelir, roller acik zemine gore yeniden atandi:
   *   #F5F7FA kirik beyaz  -> yuzey
   *   #0B0F14 koyu lacivert -> baslik metni
   *   #6B7280 metalik gri   -> ikincil metin
   *   #2563EB ana mavi      -> vurgu
   */

  /* Zemin */
  --bg: #ffffff;        /* Sayfa zemini */
  --surface: #f5f7fa;   /* Kirik beyaz - yuzey (marka) */
  --surface-2: #eaeff6; /* Uzerine gelme / ikincil yuzey */
  --line: #dfe6ef;      /* Kenarlik */

  /* Vurgu */
  --accent: #2563eb;        /* Ana mavi (marka) - dolgu ve buton */
  --accent-strong: #1d4ed8; /* Uzerine gelme */

  /* Metin uzerindeki mavi. Marka paletindeki #38BDF8 beyaz zeminde
     1.9:1 kontrast verir ve metin icin kullanilamaz. */
  --accent-soft: #1d4ed8;

  /* #38BDF8 yalnizca dekoratif gradyanlarda kullanilir, metinde asla. */
  --accent-glow: #38bdf8;

  /* Metin */
  --text-muted: #6b7280;  /* Metalik gri (marka) - ikincil */
  --text-soft: #4b5563;
  --text: #374151;        /* Govde metni */
  --heading: #0b0f14;     /* Koyu lacivert (marka) - baslik */
  --white: #ffffff;

  /* Durum */
  --success: #10b981;
  --danger: #f43f5e;
  --warning: #f59e0b;

  /* Tipografi */
  --font: 'Montserrat', 'Segoe UI', system-ui, -apple-system, sans-serif;

  /* Olcek - akiskan tipografi, ayri medya sorgusu gerektirmez */
  --step--1: clamp(0.78rem, 0.76rem + 0.10vw, 0.84rem);
  --step-0: clamp(0.94rem, 0.90rem + 0.18vw, 1.05rem);
  --step-1: clamp(1.10rem, 1.02rem + 0.36vw, 1.35rem);
  --step-2: clamp(1.32rem, 1.16rem + 0.70vw, 1.80rem);
  --step-3: clamp(1.60rem, 1.30rem + 1.30vw, 2.50rem);
  --step-4: clamp(1.95rem, 1.40rem + 2.40vw, 3.40rem);
  --step-5: clamp(2.30rem, 1.45rem + 3.60vw, 4.20rem);

  /* Bosluk */
  --space-1: 0.25rem;
  --space-2: 0.5rem;
  --space-3: 0.75rem;
  --space-4: 1rem;
  --space-5: 1.5rem;
  --space-6: 2rem;
  --space-7: 3rem;
  --space-8: 4rem;
  --space-9: 6rem;
  --section: clamp(3.5rem, 2rem + 6vw, 7rem);

  /* Yerlesim */
  --container: 1200px;
  --container-narrow: 820px;
  --radius: 4px;
  --radius-lg: 8px;
  --header-height: 72px;

  --border: 1px solid var(--line);
  --transition: 180ms cubic-bezier(0.4, 0, 0.2, 1);
}

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

* {
  margin: 0;
}

html {
  -webkit-text-size-adjust: 100%;
  scroll-behavior: smooth;
  /* Sabit baslik, capa baglantilarinin uzerini ortmesin */
  scroll-padding-top: calc(var(--header-height) + var(--space-5));
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}

body {
  font-family: var(--font);
  font-size: var(--step-0);
  font-weight: 400;
  line-height: 1.7;
  color: var(--text);
  background-color: var(--bg);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;

  /* Yatay tasma her ekran genisliginde engellenir */
  overflow-x: hidden;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

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

input,
button,
textarea,
select {
  font: inherit;
  color: inherit;
}

/* Uzun kelimeler dar ekranda kutudan tasmasin */
p,
h1,
h2,
h3,
h4,
li,
dd,
dt,
figcaption {
  overflow-wrap: break-word;
}

h1,
h2,
h3,
h4 {
  font-weight: 600;
  line-height: 1.2;
  color: var(--heading);
  letter-spacing: -0.015em;
  text-wrap: balance;
}

h1 { font-size: var(--step-5); font-weight: 700; }
h2 { font-size: var(--step-4); }
h3 { font-size: var(--step-2); }
h4 { font-size: var(--step-1); }

a {
  color: var(--accent-soft);
  text-decoration: none;
  transition: color var(--transition);
}

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

ul,
ol {
  padding-left: 1.2em;
}

hr {
  border: 0;
  border-top: var(--border);
  margin: var(--space-6) 0;
}

/* ------------------------------------------------------- erisilebilirlik */
:focus-visible {
  outline: 2px solid var(--accent-soft);
  outline-offset: 3px;
  border-radius: 2px;
}

/* Fare ile tiklamada odak halkasi gosterme, klavyede goster */
:focus:not(:focus-visible) {
  outline: none;
}

.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.skip-link {
  position: absolute;
  top: -100px;
  left: var(--space-4);
  z-index: 200;
  padding: var(--space-3) var(--space-5);
  background: var(--accent);
  color: var(--white);
  border-radius: var(--radius);
  font-weight: 600;
  transition: top var(--transition);
}

.skip-link:focus {
  top: var(--space-3);
  color: var(--white);
}

/* ------------------------------------------------------------- yerlesim */
.container {
  width: 100%;
  max-width: var(--container);
  margin-inline: auto;
  padding-inline: clamp(1rem, 4vw, 2.5rem);
}

.container--narrow {
  max-width: var(--container-narrow);
}

.section {
  padding-block: var(--section);
}

.section--tight {
  padding-block: calc(var(--section) * 0.62);
}

.section--surface {
  background: var(--surface);
  border-block: var(--border);
}

main {
  flex: 1;
}

/* Bolum basligi ---------------------------------------------------------- */
.section-head {
  max-width: 62ch;
  margin-bottom: var(--space-7);
}

.section-head--center {
  margin-inline: auto;
  text-align: center;
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  font-size: var(--step--1);
  font-weight: 600;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--accent-soft);
  margin-bottom: var(--space-3);
}

.eyebrow::before {
  content: '';
  width: 24px;
  height: 1px;
  background: var(--accent);
}

.section-head--center .eyebrow::before {
  display: none;
}

.section-head p {
  margin-top: var(--space-4);
  color: var(--text-soft);
  font-size: var(--step-1);
  line-height: 1.65;
}

.lead {
  font-size: var(--step-1);
  line-height: 1.65;
  color: var(--text);
}

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

/* --------------------------------------------------------------- butonlar */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  padding: 0.85rem 1.6rem;
  border: 1px solid transparent;
  border-radius: var(--radius);
  font-size: var(--step-0);
  font-weight: 600;
  line-height: 1.2;
  text-align: center;
  cursor: pointer;
  transition: background-color var(--transition), border-color var(--transition),
    color var(--transition), transform var(--transition);

  /* Dokunmatik hedef en az 44px yuksekliginde kalir */
  min-height: 44px;
}

.btn:active {
  transform: translateY(1px);
}

.btn--primary {
  background: var(--accent);
  color: var(--white);
}

.btn--primary:hover {
  background: var(--accent-strong);
  color: var(--white);
}

.btn--ghost {
  background: transparent;
  border-color: var(--line);
  color: var(--heading);
}

.btn--ghost:hover {
  border-color: var(--accent);
  color: var(--accent-strong);
  background: rgba(37, 99, 235, 0.07);
}

.btn--block {
  width: 100%;
}

.btn--sm {
  padding: 0.55rem 1rem;
  font-size: var(--step--1);
  min-height: 38px;
}

/* Metin baglantisi + ok ---------------------------------------------------- */
.link-arrow {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  font-weight: 600;
  font-size: var(--step-0);
  color: var(--accent-soft);
}

.link-arrow svg {
  transition: transform var(--transition);
}

.link-arrow:hover {
  color: var(--accent-strong);
}

.link-arrow:hover svg {
  transform: translateX(4px);
}

/* ----------------------------------------------------------------- baslik */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(255, 255, 255, 0.88);
  backdrop-filter: blur(12px);
  border-bottom: var(--border);
}

.site-header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-5);
  min-height: var(--header-height);
}

.site-logo {
  display: flex;
  align-items: center;
  flex: none;
}

/* Yatay logo kilidi: sembol gorseli + canli kelime markasi ---------------- */
.logo-lockup {
  display: inline-flex;
  align-items: center;
  gap: 0.7em;
}

.logo-lockup__mark {
  width: auto;
  height: 2.15em;
  flex: none;
}

.logo-lockup__text {
  display: flex;
  flex-direction: column;
  line-height: 1;
}

.logo-lockup__name {
  font-weight: 700;
  font-size: 1em;
  letter-spacing: 0.3em;
  /* Harf araligi son harften sonra da eklenir; sagdaki bosluk kirpilir */
  margin-right: -0.3em;
  color: var(--heading);
}

.logo-lockup__sub {
  margin-top: 0.34em;
  margin-right: -0.42em;
  font-weight: 600;
  font-size: 0.5em;
  letter-spacing: 0.42em;
  color: var(--accent-soft);
}

.logo-lockup--md { font-size: 1.05rem; }
.logo-lockup--sm { font-size: 0.95rem; }

@media (max-width: 26rem) {
  .logo-lockup--md { font-size: 0.92rem; }
}

.site-nav {
  display: flex;
  align-items: center;
  gap: clamp(0.5rem, 1.6vw, 1.75rem);
}

.site-nav__link {
  position: relative;
  padding: var(--space-2) 0;
  font-size: var(--step-0);
  font-weight: 500;
  color: var(--text);
  white-space: nowrap;
}

.site-nav__link::after {
  content: '';
  position: absolute;
  left: 0;
  bottom: 0;
  width: 0;
  height: 2px;
  background: var(--accent);
  transition: width var(--transition);
}

.site-nav__link:hover,
.site-nav__link[aria-current='page'] {
  color: var(--heading);
}

.site-nav__link[aria-current='page']::after,
.site-nav__link:hover::after {
  width: 100%;
}

.site-header__actions {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  flex: none;
}

/* Mobil menu dugmesi ------------------------------------------------------ */
.nav-toggle {
  display: none;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  padding: 0;
  background: transparent;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  cursor: pointer;
}

.nav-toggle__bars,
.nav-toggle__bars::before,
.nav-toggle__bars::after {
  display: block;
  width: 18px;
  height: 2px;
  background: var(--heading);
  transition: transform var(--transition), opacity var(--transition);
}

.nav-toggle__bars::before,
.nav-toggle__bars::after {
  content: '';
  position: absolute;
}

.nav-toggle__bars::before { transform: translateY(-6px); }
.nav-toggle__bars::after { transform: translateY(6px); }

.nav-toggle[aria-expanded='true'] .nav-toggle__bars {
  background: transparent;
}

.nav-toggle[aria-expanded='true'] .nav-toggle__bars::before {
  transform: rotate(45deg);
}

.nav-toggle[aria-expanded='true'] .nav-toggle__bars::after {
  transform: rotate(-45deg);
}

/* ------------------------------------------------------------------- hero */
.hero {
  position: relative;
  padding-block: clamp(3rem, 2.5rem + 5vw, 6rem);
  overflow: hidden;
}

/* Ince grid cizgileri - teknik his, dikkat dagitmadan */
.hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(37, 99, 235, 0.09) 1px, transparent 1px),
    linear-gradient(90deg, rgba(37, 99, 235, 0.09) 1px, transparent 1px);
  background-size: 72px 72px;
  mask-image: radial-gradient(ellipse 80% 60% at 70% 20%, #000 20%, transparent 75%);
  pointer-events: none;
}

.hero__inner {
  position: relative;
  display: grid;
  gap: var(--space-8);
  align-items: center;
}

@media (min-width: 62rem) {
  .hero__inner {
    grid-template-columns: minmax(0, 1.08fr) minmax(0, 0.92fr);
    gap: var(--space-8);

    /* Ustten hizalanir: fiyat paneli metin blogundan uzun oldugu icin
       ortalandiginda yukarida asili duruyordu. */
    align-items: start;
  }
}

.hero h1 {
  margin-bottom: var(--space-5);
}

.hero__text {
  max-width: 40ch;
  font-size: var(--step-1);
  color: var(--text-soft);
  line-height: 1.65;
}

.hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-3);
  margin-top: var(--space-6);
}

/* Hero yanindaki teknik kart --------------------------------------------- */
.hero__panel {
  position: relative;
  padding: var(--space-6);
  background: linear-gradient(160deg, var(--surface), var(--bg));
  border: var(--border);
  border-radius: var(--radius-lg);
}

.hero__panel::before {
  content: '';
  position: absolute;
  top: -1px;
  left: var(--space-6);
  right: var(--space-6);
  height: 2px;
  background: linear-gradient(90deg, transparent, var(--accent), transparent);
}

.hero__panel dl {
  display: grid;
  gap: var(--space-4);
  margin: 0;
}

.hero__panel div {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: var(--space-4);
  padding-bottom: var(--space-4);
  border-bottom: 1px solid var(--surface-2);
}

.hero__panel div:last-child {
  padding-bottom: 0;
  border-bottom: 0;
}

.hero__panel dt {
  font-size: var(--step--1);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text-muted);
}

.hero__panel dd {
  margin: 0;
  font-weight: 600;
  color: var(--heading);
  text-align: right;
}

/* ------------------------------------------------------------------ grid */
.grid {
  display: grid;
  gap: var(--space-5);
}

.grid--2 { grid-template-columns: repeat(auto-fit, minmax(min(100%, 20rem), 1fr)); }
.grid--3 { grid-template-columns: repeat(auto-fit, minmax(min(100%, 17rem), 1fr)); }
.grid--4 { grid-template-columns: repeat(auto-fit, minmax(min(100%, 13rem), 1fr)); }

/* ------------------------------------------------------------------ kart */
.card {
  display: flex;
  flex-direction: column;
  padding: var(--space-6);
  background: var(--surface);
  border: var(--border);
  border-radius: var(--radius-lg);
  transition: border-color var(--transition), background-color var(--transition);
}

a.card:hover,
.card--link:hover {
  border-color: rgba(37, 99, 235, 0.55);
  background: var(--surface-2);
}

.card h3 {
  color: var(--heading);
  margin-bottom: var(--space-3);
}

.card p {
  color: var(--text-soft);
  font-size: var(--step-0);
}

.card__icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  margin-bottom: var(--space-5);
  border: 1px solid rgba(37, 99, 235, 0.35);
  border-radius: var(--radius);
  background: rgba(37, 99, 235, 0.1);
  color: var(--accent-soft);
  flex: none;
}

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

.card__footer {
  margin-top: auto;
  padding-top: var(--space-5);
}

/* --------------------------------------------------------- proje kartlari */
.project-card {
  display: grid;
  overflow: hidden;
  background: var(--surface);
  border: var(--border);
  border-radius: var(--radius-lg);
  transition: border-color var(--transition);
}

.project-card:hover {
  border-color: rgba(37, 99, 235, 0.55);
}

@media (min-width: 48rem) {
  .project-card {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
  }

  .project-card--reverse .project-card__media {
    order: 2;
  }
}

.project-card__media {
  position: relative;
  min-height: 220px;
  background: var(--surface-2);
  overflow: hidden;
}

.project-card__media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

/* Gorsel yoksa: sade geometrik desen, sahte ekran goruntusu kullanilmaz */
.project-card__media--empty {
  display: grid;
  place-items: center;
  background:
    repeating-linear-gradient(
      -45deg,
      rgba(37, 99, 235, 0.10) 0 1px,
      transparent 1px 14px
    ),
    var(--surface-2);
  color: var(--text-muted);
  font-size: var(--step--1);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  text-align: center;
  padding: var(--space-5);
}

.project-card__body {
  display: flex;
  flex-direction: column;
  padding: var(--space-6);
}

.project-card__body h3 {
  margin-bottom: var(--space-3);
}

.project-card__body p {
  color: var(--text-soft);
}

/* ------------------------------------------------------------- etiketler */
.tags {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
  margin: 0;
  padding: 0;
  list-style: none;
}

.tag {
  display: inline-block;
  padding: 0.25rem 0.65rem;
  border: 1px solid var(--line);
  border-radius: 999px;
  font-size: var(--step--1);
  color: var(--text-soft);
  white-space: nowrap;
}

.tag--accent {
  border-color: rgba(37, 99, 235, 0.4);
  background: rgba(37, 99, 235, 0.1);
  color: var(--accent-soft);
}

/* --------------------------------------------------------------- surec */
.process {
  display: grid;
  gap: var(--space-5);
  counter-reset: step;
}

@media (min-width: 40rem) {
  .process { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}

@media (min-width: 64rem) {
  .process { grid-template-columns: repeat(3, minmax(0, 1fr)); }
}

.process__item {
  position: relative;
  padding: var(--space-6);
  padding-top: var(--space-7);
  background: var(--surface);
  border: var(--border);
  border-radius: var(--radius-lg);
}

.process__step {
  position: absolute;
  top: var(--space-5);
  left: var(--space-6);
  font-size: var(--step--1);
  font-weight: 700;
  letter-spacing: 0.12em;
  color: var(--accent);
}

.process__item h3 {
  font-size: var(--step-1);
  margin-bottom: var(--space-3);
}

.process__item p {
  color: var(--text-soft);
  font-size: var(--step-0);
}

/* ------------------------------------------------------------ referanslar */
/*
 * Bosluk hilesi (1px gap + kapsayici zemini) yerine her hucre kendi
 * kenarligini tasir. Firma sayisi sutun sayisinin kati degilse son satirda
 * bos hucreler kaliyordu ve bunlar gri blok olarak goruluyordu.
 */
/* ------------------------------------------------------------ logo karosu
 *
 * Musteri logolari kendi marka renkleriyle ve cok farkli oranlarda gelir
 * (84x84 kare ikondan 1920x700 yazi logosuna kadar). Ortak davranis:
 *
 *   1. Her logo sabit olculu bir karo icine ORANI BOZULMADAN yerlesir.
 *      object-fit: contain sart; aksi halde kare logolar yatay bant gibi
 *      gerilir.
 *   2. Karonun zemini logonun tonuna gore secilir. Tarayicida piksel piksel
 *      olculdu: altin ve beyaz logolar (Kanatci Muhiddin, Aura Germany,
 *      360 Garage) beyaz zeminde %60'a kadar dusuyor, koyu zeminde %100
 *      goruntuleniyor. Koyu bordo Cengon Reklam ise tam tersi.
 *      Ton listesi: config/site.php -> reference_logo_tones
 *   3. Logolar renk filtresinden GECIRILMEZ. Gri filtre denenmisti; acik
 *      renkli musteri logolari beyaz zeminde tamamen kayboluyordu.
 */
.logo-tile {
  --tile-bg: var(--white);
  --tile-line: var(--line);

  display: grid;
  place-items: center;
  min-height: 116px;
  padding: var(--space-5) var(--space-4);

  background: var(--tile-bg);
  border: 1px solid var(--tile-line);
  border-radius: var(--radius-lg);

  transition:
    transform 320ms var(--ease-out),
    border-color var(--transition),
    box-shadow var(--transition);
}

/* Acik zeminde soluk kalan altin/beyaz logolar icin koyu karo */
.logo-tile--dark {
  --tile-bg: var(--heading);
  --tile-line: var(--heading);
}

.logo-tile img {
  width: auto;
  height: auto;
  max-width: 80%;
  max-height: 64px;

  /* Kare logolarin yatay bant gibi gerilmesini engeller */
  object-fit: contain;

  transition: transform 320ms var(--ease-out);
}

/* Bagli karo (ana sayfa seridi) */
a.logo-tile {
  text-decoration: none;
}

a.logo-tile:hover,
a.logo-tile:focus-visible {
  transform: translateY(-3px);
  border-color: var(--accent);
  box-shadow: 0 10px 24px -14px rgb(37 99 235 / 45%);
}

a.logo-tile:hover img,
a.logo-tile:focus-within img {
  transform: scale(1.05);
}

@media (prefers-reduced-motion: reduce) {
  .logo-tile,
  .logo-tile img {
    transition: none;
  }

  a.logo-tile:hover {
    transform: none;
  }
}

/* --------------------------------------------------------- logo seridi
 *
 * Izgara yerine saran esnek kutu kullanilir: 7 logo 5 sutunluk izgarada
 * ikinci satirda 3 bos hucre birakiyor ve sagda kocaman bir bosluk
 * olusuyordu. Saran kutuda son satir ortalanir.
 */
.logo-grid {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: var(--space-4);
}

.logo-grid .logo-tile {
  flex: 0 1 200px;
}

@media (max-width: 30rem) {
  .logo-grid { gap: var(--space-3); }
  .logo-grid .logo-tile {
    flex: 0 1 calc(50% - var(--space-3) / 2);
    min-height: 96px;
  }
  .logo-tile img { max-height: 46px; }
}

/* ------------------------------------------------- referans kartindaki karo
 *
 * Kart icinde karo tam genislikte durur ve baslik ile arasinda nefes birakir.
 * Karo genis oldugu icin logo da bir tik buyur; aksi halde ortada kaybolur.
 */
.card .logo-tile {
  width: 100%;
  min-height: 112px;
  margin-bottom: var(--space-5);
}

.card .logo-tile img {
  max-width: 72%;
  max-height: 72px;
}

/* Referans henuz eklenmediyse gosterilen bos durum */
.empty-state {
  padding: var(--space-8) var(--space-6);
  text-align: center;
  background: var(--surface);
  border: 1px dashed var(--line);
  border-radius: var(--radius-lg);
  color: var(--text-muted);
}

.empty-state strong {
  display: block;
  margin-bottom: var(--space-2);
  color: var(--text);
  font-weight: 600;
}

/* ---------------------------------------------------------------- kurucu */
.founder {
  display: grid;
  gap: var(--space-7);
  align-items: start;
}

@media (min-width: 56rem) {
  .founder { grid-template-columns: minmax(0, 0.9fr) minmax(0, 1.1fr); }
}

.founder__quote {
  position: relative;
  padding: var(--space-6);
  padding-left: var(--space-7);
  background: var(--surface);
  border: var(--border);
  border-left: 3px solid var(--accent);
  border-radius: var(--radius-lg);
  font-size: var(--step-1);
  line-height: 1.6;
  color: var(--heading);
}

.founder__meta {
  margin-top: var(--space-5);
}

.founder__name {
  font-family: var(--font);
  font-size: var(--step-2);
  font-weight: 600;
  color: var(--heading);
}

.founder__title {
  font-size: var(--step--1);
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--accent-soft);
  margin-top: var(--space-1);
}

.founder__body p + p {
  margin-top: var(--space-4);
}

/* ------------------------------------------------------------------- sss */
.faq-list {
  display: grid;
  gap: var(--space-3);
}

.faq-item {
  background: var(--surface);
  border: var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
}

.faq-item > summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-4);
  padding: var(--space-5) var(--space-6);
  font-weight: 600;
  color: var(--heading);
  cursor: pointer;
  list-style: none;
  min-height: 44px;
}

.faq-item > summary::-webkit-details-marker {
  display: none;
}

.faq-item > summary::after {
  content: '';
  flex: none;
  width: 10px;
  height: 10px;
  border-right: 2px solid var(--accent-soft);
  border-bottom: 2px solid var(--accent-soft);
  transform: rotate(45deg) translateY(-2px);
  transition: transform var(--transition);
}

.faq-item[open] > summary::after {
  transform: rotate(-135deg) translateY(-2px);
}

.faq-item__answer {
  padding: 0 var(--space-6) var(--space-5);
  color: var(--text-soft);
}

/* ------------------------------------------------------------------ form */
.form-grid {
  display: grid;
  gap: var(--space-5);
}

@media (min-width: 40rem) {
  .form-grid--2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .form-field--full { grid-column: 1 / -1; }
}

.form-field {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
  min-width: 0;
}

.form-field label {
  font-size: var(--step--1);
  font-weight: 600;
  letter-spacing: 0.04em;
  color: var(--text);
}

.form-field label .required {
  color: var(--accent-soft);
}

.form-field input,
.form-field select,
.form-field textarea {
  width: 100%;
  padding: 0.75rem 0.9rem;
  background: var(--bg);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  color: var(--heading);
  transition: border-color var(--transition), background-color var(--transition);
  min-height: 44px;
}

.form-field textarea {
  min-height: 150px;
  resize: vertical;
  line-height: 1.6;
}

.form-field input:hover,
.form-field select:hover,
.form-field textarea:hover {
  border-color: var(--text-muted);
}

.form-field input:focus,
.form-field select:focus,
.form-field textarea:focus {
  outline: none;
  border-color: var(--accent);
  background: var(--white);
  box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.18);
}

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

.form-field select {
  appearance: none;
  background-image:
    linear-gradient(45deg, transparent 50%, var(--text-soft) 50%),
    linear-gradient(135deg, var(--text-soft) 50%, transparent 50%);
  background-position: calc(100% - 18px) 50%, calc(100% - 13px) 50%;
  background-size: 5px 5px, 5px 5px;
  background-repeat: no-repeat;
  padding-right: 2.5rem;
}

.form-field--error input,
.form-field--error select,
.form-field--error textarea {
  border-color: var(--danger);
}

.form-error {
  font-size: var(--step--1);
  color: var(--danger);
}

.form-hint {
  font-size: var(--step--1);
  color: var(--text-muted);
}

/* Bal kupu: gercek kullanicilar bu alani gormez */
.form-honeypot {
  position: absolute;
  left: -9999px;
  width: 1px;
  height: 1px;
  overflow: hidden;
}

/* ------------------------------------------------------------- bildirim */
.alert {
  display: flex;
  align-items: flex-start;
  gap: var(--space-3);
  padding: var(--space-4) var(--space-5);
  border: 1px solid;
  border-radius: var(--radius);
  margin-bottom: var(--space-5);
  font-size: var(--step-0);
}

.alert--success {
  border-color: rgba(5, 150, 105, 0.35);
  background: #ecfdf5;
  color: #065f46;
}

.alert--error {
  border-color: rgba(220, 38, 38, 0.35);
  background: #fef2f2;
  color: #991b1b;
}

.alert--info {
  border-color: rgba(37, 99, 235, 0.3);
  background: #eff6ff;
  color: #1e40af;
}

/* ------------------------------------------------------- proje / yazi detay */
/* ---------------------------------------------------------- proje kunyesi
 *
 * Proje detay sayfasinda kunye eskiden sayfanin altinda, sag sutunda dar bir
 * kutuydu. Musteri projelerinin cogunda uzun metin olmadigi icin sol sutun
 * bos kaliyor ve kutu tek basina asili duruyordu. Kimlik bilgileri artik
 * basligin hemen altinda, sayfa genisliginde bir seride duruyor.
 */
.project-meta {
  padding-block: var(--space-5);
  background: var(--surface);
  border-bottom: var(--border);
}

.project-meta__inner {
  display: grid;
  gap: var(--space-5);
  align-items: center;
}

@media (min-width: 52rem) {
  .project-meta__inner {
    grid-template-columns: minmax(0, 1fr) auto;
    gap: var(--space-6);
  }
}

.project-meta__facts {
  display: grid;
  gap: var(--space-5) var(--space-6);
  align-items: start;
}

@media (min-width: 34rem) {
  .project-meta__facts { grid-template-columns: auto minmax(0, 1fr); }
}

.project-meta__fact .eyebrow {
  margin-bottom: var(--space-2);
}

.project-meta__value {
  margin: 0;
  color: var(--heading);
  font-weight: 600;
}

/* Buton dar ekranda satiri kaplar, genis ekranda kendi genisliginde kalir */
.project-meta__action {
  justify-self: start;
}

@media (min-width: 52rem) {
  .project-meta__action { justify-self: end; }
}

.project-cover {
  width: 100%;
  height: auto;
  border: var(--border);
  border-radius: var(--radius-lg);
}

/* ------------------------------------------- hizmetler + referans bolumu
 *
 * Hizmet kartlari genis sutunda, referans ve teklif kartlari yaninda.
 * Hizmet yoksa yan sutun tek basina tam genisligi kullanir.
 */
.project-links {
  display: grid;
  gap: var(--space-6);
  align-items: start;
}

@media (min-width: 56rem) {
  .project-links {
    grid-template-columns: minmax(0, 1.9fr) minmax(0, 1fr);
    gap: var(--space-7);
  }
}

.project-links__main .section-head {
  margin-bottom: var(--space-5);
}

.project-links__aside {
  display: grid;
  gap: var(--space-5);
}

/*
 * Hizmet listesi uzun oldugunda referans ve teklif kartlari ekrandan cikar.
 * Genis ekranda yan sutun kaydirmayla birlikte gorunur kalir; ust bosluk
 * sabit basligin altina denk gelecek kadar birakilir.
 */
@media (min-width: 56rem) {
  .project-links__aside {
    position: sticky;
    top: calc(var(--header-height) + var(--space-5));
  }
}


.page-header {
  padding-block: var(--space-8) var(--space-7);
  border-bottom: var(--border);
}

.breadcrumb {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--space-2);
  margin-bottom: var(--space-4);
  padding: 0;
  list-style: none;
  font-size: var(--step--1);
  color: var(--text-muted);
}

.breadcrumb li {
  display: flex;
  align-items: center;
  gap: var(--space-2);
}

.breadcrumb li + li::before {
  content: '/';
  color: var(--line);
}

.breadcrumb a {
  color: var(--text-soft);
}

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

.article {
  max-width: 68ch;
}

.article > * + * {
  margin-top: var(--space-5);
}

.article h2 {
  font-size: var(--step-2);
  margin-top: var(--space-7);
}

.article h3 {
  font-size: var(--step-1);
  margin-top: var(--space-6);
}

.article ul,
.article ol {
  padding-left: 1.4em;
  color: var(--text);
}

.article li + li {
  margin-top: var(--space-2);
}

.article img {
  border-radius: var(--radius-lg);
  border: var(--border);
}

.article blockquote {
  padding-left: var(--space-5);
  border-left: 3px solid var(--accent);
  color: var(--heading);
  font-size: var(--step-1);
}

.article code {
  padding: 0.15em 0.4em;
  background: var(--surface);
  border: var(--border);
  border-radius: 3px;
  font-family: ui-monospace, 'Cascadia Code', 'Consolas', monospace;
  font-size: 0.9em;
}

.article pre {
  padding: var(--space-5);
  background: var(--surface);
  border: var(--border);
  border-radius: var(--radius-lg);
  overflow-x: auto;
}

.article pre code {
  padding: 0;
  border: 0;
  background: none;
}

/* Vaka calismasi blogu ---------------------------------------------------- */
.case-blocks {
  display: grid;
  gap: var(--space-5);
}

@media (min-width: 52rem) {
  .case-blocks { grid-template-columns: repeat(3, minmax(0, 1fr)); }
}

.case-block {
  padding: var(--space-6);
  background: var(--surface);
  border: var(--border);
  border-top: 2px solid var(--accent);
  border-radius: var(--radius-lg);
}

.case-block h3 {
  font-size: var(--step-1);
  margin-bottom: var(--space-3);
}

.case-block p {
  color: var(--text-soft);
}

/* Ozellik listesi --------------------------------------------------------- */
.feature-list {
  display: grid;
  gap: var(--space-3);
  padding: 0;
  list-style: none;
}

@media (min-width: 40rem) {
  .feature-list { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}

.feature-list li {
  display: flex;
  align-items: flex-start;
  gap: var(--space-3);
  color: var(--text);
}

.feature-list li::before {
  content: '';
  flex: none;
  width: 6px;
  height: 6px;
  margin-top: 0.65em;
  background: var(--accent);
  transform: rotate(45deg);
}

/* Galeri ------------------------------------------------------------------ */
.gallery {
  display: grid;
  gap: var(--space-4);
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 18rem), 1fr));
}

.gallery img {
  width: 100%;
  border: var(--border);
  border-radius: var(--radius-lg);
}

/* --------------------------------------------------------------- sayfalama */
.pagination {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  align-items: center;
  gap: var(--space-2);
  margin-top: var(--space-7);
  padding: 0;
  list-style: none;
}

.pagination a,
.pagination span {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 44px;
  min-height: 44px;
  padding: 0 var(--space-3);
  border: var(--border);
  border-radius: var(--radius);
  font-size: var(--step-0);
  color: var(--text);
}

.pagination a:hover {
  border-color: var(--accent);
  color: var(--white);
}

.pagination [aria-current='page'] {
  background: var(--accent);
  border-color: var(--accent);
  color: var(--white);
  font-weight: 600;
}

.pagination .is-disabled {
  opacity: 0.4;
}

/* --------------------------------------------------------------- CTA serit */
.cta-band {
  position: relative;
  padding-block: var(--section);
  background: var(--surface);
  border-block: var(--border);
  overflow: hidden;
}

.cta-band::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(
    ellipse 60% 100% at 80% 50%,
    rgba(56, 189, 248, 0.18),
    transparent 70%
  );
  pointer-events: none;
}

.cta-band__inner {
  position: relative;
  display: grid;
  gap: var(--space-6);
  align-items: center;
}

@media (min-width: 56rem) {
  .cta-band__inner {
    grid-template-columns: minmax(0, 1fr) auto;
    gap: var(--space-8);
  }
}

.cta-band h2 {
  font-size: var(--step-3);
  margin-bottom: var(--space-3);
}

.cta-band p {
  color: var(--text-soft);
  max-width: 52ch;
}

.cta-band__actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-3);
}

/* -------------------------------------------------------------- alt bilgi */
.site-footer {
  padding-block: var(--space-8) var(--space-6);
  background: var(--surface);
  border-top: var(--border);
}

.site-footer__top {
  display: grid;
  gap: var(--space-7);
  padding-bottom: var(--space-7);
  border-bottom: var(--border);
}

@media (min-width: 48rem) {
  .site-footer__top {
    grid-template-columns: minmax(0, 1.4fr) repeat(2, minmax(0, 1fr));
    gap: var(--space-6);
  }
}

.site-footer__brand img {
  height: 34px;
  width: auto;
  margin-bottom: var(--space-4);
}

.site-footer__brand p {
  max-width: 38ch;
  font-size: var(--step-0);
  color: var(--text-muted);
}

.site-footer h4 {
  font-size: var(--step--1);
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--text-muted);
  margin-bottom: var(--space-4);
}

.site-footer ul {
  padding: 0;
  list-style: none;
  display: grid;
  gap: var(--space-3);
}

.site-footer a {
  color: var(--text);
  font-size: var(--step-0);
}

.site-footer a:hover {
  color: var(--accent-soft);
}

.site-footer__bottom {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-4);
  padding-top: var(--space-5);
  font-size: var(--step--1);
  color: var(--text-muted);
}

.site-footer__social {
  display: flex;
  gap: var(--space-4);
}

/* ------------------------------------------------------------- hata sayfasi */
.error-page {
  display: grid;
  place-items: center;
  min-height: 70vh;
  text-align: center;
  padding-block: var(--space-8);
}

/* place-items:center cocugu max-content genisligine ayarlar; dar ekranda
   tasmamasi icin acikca genislik sinirlanir. */
.error-page > * {
  width: 100%;
  max-width: 100%;
}

.error-page__code {
  font-size: clamp(4rem, 12vw, 8rem);
  font-weight: 700;
  line-height: 1;
  color: var(--accent);
  letter-spacing: -0.04em;
}

.error-page h1 {
  font-size: var(--step-3);
  margin-block: var(--space-4) var(--space-3);
}

.error-page p {
  max-width: min(46ch, 100%);
  margin-inline: auto;
  color: var(--text-soft);
}

.error-page__detail {
  margin-top: var(--space-6);
  padding: var(--space-4);
  max-width: 70ch;
  text-align: left;
  background: var(--surface);
  border: var(--border);
  border-radius: var(--radius);
  font-family: ui-monospace, monospace;
  font-size: var(--step--1);
  color: var(--text-soft);
  overflow-x: auto;
}

/* ================================================== duyarli davranis ====== */

/* Menu 64rem altinda katlanir */
@media (max-width: 63.99rem) {
  .nav-toggle {
    display: inline-flex;
  }

  /* Masaustu CTA'si gizlenir; ayni buton acilan menunun icinde yer alir */
  .site-header__actions {
    display: none;
  }

  .site-header__nav {
    position: fixed;
    inset: var(--header-height) 0 0;
    z-index: 90;
    display: block;
    padding: var(--space-6) clamp(1rem, 4vw, 2.5rem) var(--space-8);
    background: var(--bg);
    border-top: var(--border);
    overflow-y: auto;
    /* Kapaliyken erisilebilirlik agacindan da cikar */
    visibility: hidden;
    opacity: 0;
    transform: translateY(-8px);
    transition: opacity var(--transition), transform var(--transition),
      visibility var(--transition);
  }

  .site-header__nav[data-open='true'] {
    visibility: visible;
    opacity: 1;
    transform: none;
  }

  .site-nav {
    flex-direction: column;
    align-items: stretch;
    gap: 0;
  }

  .site-nav__link {
    padding: var(--space-4) 0;
    font-size: var(--step-1);
    border-bottom: var(--border);
  }

  .site-nav__link::after {
    display: none;
  }

  .site-header__nav .btn {
    margin-top: var(--space-6);
    width: 100%;
  }

  /* Menu acikken arka plan kaymasin */
  body[data-nav-open='true'] {
    overflow: hidden;
  }
}

@media (min-width: 64rem) {
  .site-header__nav {
    display: flex;
    align-items: center;
    gap: var(--space-6);
  }

  .site-header__nav .btn {
    display: none;
  }
}

/* 26rem alti (320-360 px) - en dar ekranlarda sikistir */
@media (max-width: 26rem) {
  .hero__actions .btn,
  .cta-band__actions .btn {
    width: 100%;
  }

  .card,
  .process__item,
  .case-block,
  .project-card__body,
  .hero__panel {
    padding: var(--space-5);
  }
}

/* Yazdirma ---------------------------------------------------------------- */
@media print {
  .site-header,
  .site-footer,
  .cta-band,
  .nav-toggle {
    display: none;
  }

  body {
    background: #fff;
    color: #000;
  }
}

/* =========================================================================
   Hareket ve gecisler
   -------------------------------------------------------------------------
   Tum animasyonlar yalnizca transform ve opacity kullanir; bu iki ozellik
   yeniden yerlesim (layout) tetiklemedigi icin dusuk guclu cihazlarda da
   akici calisir.

   Kullanicinin hareket azaltma tercihi her durumda oncelikli olarak
   uygulanir; bu dosyanin en altindaki blok icerigi her kosulda gorunur kilar.
   ========================================================================= */

:root {
  /* Yumusak giris egrisi: hizli baslar, nazikce yavaslar */
  --ease-out: cubic-bezier(0.22, 1, 0.36, 1);
  --reveal-duration: 620ms;
}

/* ------------------------------------------------- kaydirinca aciga cikma */

/*
 * Baslangic durumu yalnizca JavaScript etkinken uygulanir (html.js).
 * Script calismazsa icerik hicbir zaman gizlenmez.
 */
.js [data-reveal] {
  opacity: 0;
  transform: translate3d(0, 20px, 0);
  transition:
    opacity var(--reveal-duration) var(--ease-out) var(--reveal-delay, 0ms),
    transform var(--reveal-duration) var(--ease-out) var(--reveal-delay, 0ms);
}

.js [data-reveal].is-revealed {
  opacity: 1;
  transform: none;
}

/* --------------------------------------------------------- hero acilisi */

/* Ilk ekran JavaScript beklemeden animasyonla gelir. */
@keyframes savana-rise {
  from {
    opacity: 0;
    transform: translate3d(0, 22px, 0);
  }
  to {
    opacity: 1;
    transform: none;
  }
}

@keyframes savana-fade {
  from { opacity: 0; }
  to   { opacity: 1; }
}

.hero > .container > div > .eyebrow { animation: savana-rise 700ms var(--ease-out) calc(var(--intro-offset) + 80ms) both; }
.hero h1                            { animation: savana-rise 780ms var(--ease-out) calc(var(--intro-offset) + 160ms) both; }
.hero__text                         { animation: savana-rise 780ms var(--ease-out) calc(var(--intro-offset) + 260ms) both; }
.hero__actions                      { animation: savana-rise 780ms var(--ease-out) calc(var(--intro-offset) + 360ms) both; }

/* Arka plandaki grid deseni yavasca belirir */
.hero::before {
  animation: savana-fade 1400ms ease-out 200ms both;
}

/* --------------------------------------------------- mikro etkilesimler */

/* Kartlar uzerine gelindiginde hafifce yukselir */
a.card,
.card--link,
.project-card,
.stat {
  transition:
    border-color var(--transition),
    background-color var(--transition),
    transform 260ms var(--ease-out),
    box-shadow 260ms var(--ease-out);
}

a.card:hover,
.card--link:hover {
  transform: translateY(-3px);
  box-shadow: 0 14px 30px -20px rgba(15, 23, 42, 0.35);
}

.project-card:hover {
  transform: translateY(-2px);
  box-shadow: 0 18px 38px -26px rgba(15, 23, 42, 0.35);
}

/* Kart ikonu, kart uzerine gelindiginde vurgulanir */
.card__icon {
  transition:
    border-color var(--transition),
    background-color var(--transition),
    transform 260ms var(--ease-out);
}

a.card:hover .card__icon,
.card--link:hover .card__icon {
  transform: translateY(-2px) scale(1.06);
  border-color: rgba(37, 99, 235, 0.65);
  background: rgba(37, 99, 235, 0.16);
}

/* Proje gorseli uzerine gelindiginde yavasca yakinlasir */
.project-card__media img {
  transition: transform 620ms var(--ease-out);
}

.project-card:hover .project-card__media img {
  transform: scale(1.04);
}

/* Butonlar */
.btn--primary:hover {
  transform: translateY(-1px);
  box-shadow: 0 10px 22px -12px rgba(37, 99, 235, 0.55);
}

.btn--ghost:hover {
  transform: translateY(-1px);
}

.btn:active {
  transform: translateY(1px);
  box-shadow: none;
}

/* SSS cevabi acilirken belirir */
.faq-item[open] .faq-item__answer {
  animation: savana-fade 320ms ease-out both;
}

/* Surec adimlari */
.process__item {
  transition: border-color var(--transition), transform 260ms var(--ease-out);
}

.process__item:hover {
  border-color: rgba(37, 99, 235, 0.4);
  transform: translateY(-2px);
}

/* ----------------------------------------------- kaydirmada baslik durumu */

.site-header {
  transition: background-color 240ms ease, box-shadow 240ms ease;
}

.site-header[data-scrolled="true"] {
  background: rgba(255, 255, 255, 0.97);
  box-shadow: 0 6px 24px -14px rgba(15, 23, 42, 0.28);
}

/* Sayfanin ne kadarinin okundugunu gosteren ince cizgi */
.scroll-progress {
  position: fixed;
  top: 0;
  left: 0;
  z-index: 120;
  height: 2px;
  width: 100%;
  transform: scaleX(0);
  transform-origin: 0 50%;
  background: linear-gradient(90deg, var(--accent), var(--accent-glow));
  pointer-events: none;
}

/* =========================================================================
   Hareket azaltma tercihi
   -------------------------------------------------------------------------
   Bu blok dosyanin sonunda yer alir ve yukaridaki tum hareketi iptal eder.
   [data-reveal] ogeleri gizli kalmamasi icin acikca gorunur yapilir.
   ========================================================================= */

@media (prefers-reduced-motion: reduce) {
  .js [data-reveal],
  .js [data-reveal].is-revealed {
    opacity: 1 !important;
    transform: none !important;
    transition: none !important;
  }

  .hero > .container > div > .eyebrow,
  .hero h1,
  .hero__text,
  .hero__actions,
  .hero::before,
  .faq-item[open] .faq-item__answer {
    animation: none !important;
    opacity: 1 !important;
    transform: none !important;
  }

  a.card:hover,
  .card--link:hover,
  .project-card:hover,
  .process__item:hover,
  .btn:hover,
  .btn:active,
  a.logo-tile:hover img,
  .project-card:hover .project-card__media img,
  a.card:hover .card__icon,
  .card--link:hover .card__icon {
    transform: none !important;
  }

  .scroll-progress {
    display: none;
  }
}

/* =========================================================================
   Logo acilis animasyonu
   -------------------------------------------------------------------------
   Sembol yerine oturur, ardindan kelime markasi harf harf belirir ve
   "YAZILIM" harf araligi acilarak yerlesir.

   Yalnizca .logo-lockup--intro tasiyan kopyada oynar; alt bilgideki ve
   panel kenarindaki logolar sabit durur.
   ========================================================================= */

@keyframes savana-mark-in {
  0% {
    opacity: 0;
    transform: translate3d(-10px, 0, 0) scale(0.55) rotate(-14deg);
  }
  60% {
    opacity: 1;
    transform: translate3d(0, 0, 0) scale(1.06) rotate(2deg);
  }
  100% {
    opacity: 1;
    transform: none;
  }
}

@keyframes savana-letter-in {
  from {
    opacity: 0;
    transform: translate3d(0, 0.45em, 0);
  }
  to {
    opacity: 1;
    transform: none;
  }
}

@keyframes savana-sub-in {
  from {
    opacity: 0;
    letter-spacing: 0.12em;
  }
  to {
    opacity: 1;
    letter-spacing: 0.42em;
  }
}

/* Sembol yerine otururken kisa suren yumusak vurgu */
@keyframes savana-mark-glow {
  0%   { filter: drop-shadow(0 0 0 rgba(37, 99, 235, 0)); }
  35%  { filter: drop-shadow(0 0 10px rgba(37, 99, 235, 0.45)); }
  100% { filter: drop-shadow(0 0 0 rgba(37, 99, 235, 0)); }
}

.logo-lockup__letter {
  display: inline-block;
}

.logo-lockup--intro .logo-lockup__letter {
  /* Her harf bir oncekinden 55 ms sonra gelir */
  animation: savana-letter-in 460ms var(--ease-out) both;
  animation-delay: calc(var(--logo-offset, 0ms) + 320ms + var(--letter-index) * 55ms);
}

.logo-lockup--intro .logo-lockup__sub {
  animation: savana-sub-in 620ms var(--ease-out) calc(var(--logo-offset, 0ms) + 660ms) both;
}

/*
 * Koyu zeminde "screen" karisimiyla bir parlama gecirilmisti; acik zeminde
 * bu yontem beyaz bir dikdortgen artefakti biraktigi icin kaldirildi.
 * Yerine sembol yerine otururken kisa bir vurgu halkasi kullanilir.
 */
.logo-lockup--intro .logo-lockup__mark {
  animation:
    savana-mark-in 760ms var(--ease-out) var(--logo-offset, 0ms) both,
    savana-mark-glow 900ms ease-out calc(var(--logo-offset, 0ms) + 700ms) both;
}

/* =========================================================================
   Hareket azaltma tercihi
   ========================================================================= */

@media (prefers-reduced-motion: reduce) {
  .logo-lockup--intro .logo-lockup__mark,
  .logo-lockup--intro .logo-lockup__letter,
  .logo-lockup--intro .logo-lockup__sub {
    animation: none !important;
    opacity: 1 !important;
    transform: none !important;
    filter: none !important;
  }

}

/* =========================================================================
   Hero yanindaki fiyat paneli
   -------------------------------------------------------------------------
   Hero'nun sag sutunu dar oldugu icin duzen dikeydir: fiyat, dahil olanlar,
   cagri. Panel hero ile ayni anda, JavaScript beklemeden acilir.
   ========================================================================= */

.price-panel {
  display: flex;
  flex-direction: column;
  background: var(--white);
  border: var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: 0 18px 40px -30px rgba(15, 23, 42, 0.45);

  /* Hero ogeleriyle ayni ritimde, en son gelir */
  animation: savana-rise 820ms var(--ease-out) calc(var(--intro-offset) + 420ms) both;

  transition:
    transform 320ms var(--ease-out),
    box-shadow 320ms var(--ease-out),
    border-color var(--transition);
}

.price-panel:hover {
  transform: translateY(-3px);
  border-color: rgba(37, 99, 235, 0.35);
  box-shadow: 0 26px 50px -32px rgba(15, 23, 42, 0.5);
}

/* --------------------------------------------------------------- baslik */

.price-panel__head {
  position: relative;
  padding: var(--space-5) var(--space-6);
  background: linear-gradient(165deg, rgba(37, 99, 235, 0.09), transparent 60%), var(--white);
  border-bottom: var(--border);
}

/* Ust kenardaki mavi vurgu soldan saga cizilir */
.price-panel__head::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--accent), var(--accent-glow), transparent);
  transform: scaleX(0);
  transform-origin: 0 50%;
  animation: savana-line-in 900ms var(--ease-out) calc(var(--intro-offset) + 900ms) both;
}

@keyframes savana-line-in {
  to { transform: scaleX(1); }
}

.price-panel__label {
  margin: 0;
  font-size: var(--step-0);
  font-weight: 600;
  color: var(--heading);
}

.price-panel__amount {
  display: flex;
  align-items: baseline;
  gap: 0.35rem;
  margin: var(--space-2) 0 var(--space-2);
}

.price-panel__figure {
  font-size: clamp(2.4rem, 1.7rem + 2.4vw, 3.2rem);
  font-weight: 700;
  line-height: 1;
  letter-spacing: -0.03em;
  color: var(--heading);

  /* Rakam sayarken genislik degismesin */
  font-variant-numeric: tabular-nums;
}

.price-panel__currency {
  font-size: var(--step-1);
  font-weight: 600;
  color: var(--accent);
}

.price-panel__note {
  margin: 0;
  font-size: var(--step--1);
  line-height: 1.55;
  color: var(--text-muted);
}

/* ------------------------------------------------------ dahil olanlar */

.price-panel__body {
  padding: var(--space-5) var(--space-6);
  border-bottom: var(--border);
}

.price-panel__included-title {
  margin: 0 0 var(--space-3);
  font-size: var(--step--1);
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--text-muted);
}

.price-list {
  display: grid;
  gap: 0.6rem;
  margin: 0;
  padding: 0;
  list-style: none;
}

.price-list li {
  display: flex;
  align-items: flex-start;
  gap: var(--space-3);
  font-size: var(--step-0);
  line-height: 1.45;
  color: var(--text);
}

/* Onay isareti: ek ikon dosyasi yuklemeden CSS ile cizilir */
.price-list li::before {
  content: '';
  flex: none;
  width: 18px;
  height: 18px;
  margin-top: 0.15em;
  border-radius: 50%;
  background-color: rgba(37, 99, 235, 0.12);
  border: 1px solid rgba(37, 99, 235, 0.45);
  background-image:
    linear-gradient(45deg, transparent 45%, var(--accent) 45%, var(--accent) 60%, transparent 60%),
    linear-gradient(-45deg, transparent 45%, var(--accent) 45%, var(--accent) 60%, transparent 60%);
  background-size: 7px 7px, 9px 9px;
  background-position: 3px 8px, 6px 4px;
  background-repeat: no-repeat;

  /* Maddeler sirayla belirir */
  animation: savana-check-in 420ms var(--ease-out) both;
}

/* Her maddenin onay isareti bir oncekinden 70 ms sonra yerlesir */
.price-list li:nth-child(1)::before { animation-delay: calc(var(--intro-offset) + 1000ms); }
.price-list li:nth-child(2)::before { animation-delay: calc(var(--intro-offset) + 1070ms); }
.price-list li:nth-child(3)::before { animation-delay: calc(var(--intro-offset) + 1140ms); }
.price-list li:nth-child(4)::before { animation-delay: calc(var(--intro-offset) + 1210ms); }
.price-list li:nth-child(5)::before { animation-delay: calc(var(--intro-offset) + 1280ms); }
.price-list li:nth-child(6)::before { animation-delay: calc(var(--intro-offset) + 1350ms); }
.price-list li:nth-child(n + 7)::before { animation-delay: calc(var(--intro-offset) + 1420ms); }

@keyframes savana-check-in {
  from {
    opacity: 0;
    transform: scale(0.4);
  }
  to {
    opacity: 1;
    transform: none;
  }
}

/* ----------------------------------------------------------------- alt */

.price-panel__foot {
  padding: var(--space-5) var(--space-6);
  margin-top: auto;
}

.price-panel__footnote {
  margin: var(--space-3) 0 0;
  font-size: var(--step--1);
  line-height: 1.5;
  color: var(--text-muted);
  text-align: center;
}

/* Dar ekranda panel biraz sikisir */
@media (max-width: 26rem) {
  .price-panel__head,
  .price-panel__body,
  .price-panel__foot {
    padding: var(--space-5);
  }
}

/* ------------------------------------------------- hareket azaltma */

@media (prefers-reduced-motion: reduce) {
  .price-panel,
  .price-panel__head::before,
  .price-list li::before {
    animation: none !important;
    opacity: 1 !important;
    transform: none !important;
  }

  .price-panel:hover {
    transform: none !important;
  }
}

/* =========================================================================
   Acilis perdesi
   -------------------------------------------------------------------------
   Iki panel ortadan ikiye ayrilarak acilir. Logo perdenin uzerinde durur ve
   paneller acilmadan hemen once silinir.

   Zaman cizelgesi:
     0 ms     logo yerine oturur, harfler sirayla gelir
     900 ms   slogan ve alt cizgi
     1350 ms  logo silinir
     1550 ms  paneller ikiye ayrilir
     2250 ms  perde tamamen kapanir

   Perde CSS animasyonuyla kapanir; boylece bir betik hatasi ziyaretciyi
   perdenin arkasinda birakamaz. Varsayilan durum "gizli"dir: JavaScript
   kapaliysa perde hic gorunmez.
   ========================================================================= */

.site-intro {
  display: none;
}

html[data-intro='playing'] .site-intro {
  position: fixed;
  inset: 0;
  z-index: 300;
  display: grid;
  place-items: center;

  /* Zemin panellerde; kapsayici saydam kalir ki paneller ayrildiginda
     arkadaki sayfa gorunsun. */
  background: transparent;

  /* Perde bittiginde tiklamalari engellememesi icin gorunurluk kapatilir */
  animation: savana-curtain-done 1ms linear 2250ms forwards;
}

@keyframes savana-curtain-done {
  to {
    visibility: hidden;
    pointer-events: none;
  }
}

/* ------------------------------------------------------------- paneller */

.site-intro__panel {
  position: absolute;
  top: 0;
  bottom: 0;

  /* Yarim yuzde ortusme: iki panel arasinda ince bir cizgi kalmasin */
  width: 50.4%;
  background: var(--bg);
}

.site-intro__panel--left {
  left: 0;
  animation: savana-curtain-left 720ms cubic-bezier(0.65, 0, 0.35, 1) 1550ms forwards;
}

.site-intro__panel--right {
  right: 0;
  animation: savana-curtain-right 720ms cubic-bezier(0.65, 0, 0.35, 1) 1550ms forwards;
}

@keyframes savana-curtain-left {
  to { transform: translate3d(-100%, 0, 0); }
}

@keyframes savana-curtain-right {
  to { transform: translate3d(100%, 0, 0); }
}

/* Panellerin ayrildigi yerde kisa suren mavi cizgi */
.site-intro__seam {
  position: absolute;
  top: 0;
  bottom: 0;
  left: 50%;
  width: 2px;
  margin-left: -1px;
  background: linear-gradient(180deg, transparent, var(--accent), var(--accent-glow), transparent);
  opacity: 0;
  animation: savana-seam 900ms ease-out 1450ms forwards;
}

@keyframes savana-seam {
  0%   { opacity: 0; transform: scaleY(0.2); }
  30%  { opacity: 1; transform: scaleY(1); }
  100% { opacity: 0; transform: scaleY(1); }
}

/* ----------------------------------------------------------- logo katmani */

.site-intro__inner {
  position: relative;
  z-index: 2;
  display: grid;
  justify-items: center;
  gap: var(--space-4);
  padding: var(--space-5);
  text-align: center;

  /* Paneller ayrilmadan hemen once silinir */
  animation: savana-intro-logo-out 320ms var(--ease-out) 1350ms forwards;
}

@keyframes savana-intro-logo-out {
  to {
    opacity: 0;
    transform: scale(0.94);
  }
}

.site-intro__tagline {
  margin: 0;
  font-size: var(--step--1);
  font-weight: 600;
  letter-spacing: 0.24em;
  text-transform: uppercase;
  color: var(--text-muted);
  animation: savana-fade 620ms ease-out 900ms both;
}

/* Altta soldan saga cizilen ince cizgi */
.site-intro__line {
  display: block;
  width: min(220px, 60vw);
  height: 2px;
  border-radius: 2px;
  background: linear-gradient(90deg, var(--accent), var(--accent-glow));
  transform: scaleX(0);
  transform-origin: 0 50%;
  animation: savana-line-in 900ms var(--ease-out) 500ms both;
}

/* Perde icindeki logo daha buyuk gosterilir */
.logo-lockup--lg {
  font-size: clamp(1.4rem, 1rem + 2vw, 2.1rem);
}

/* --------------------------------------------------------- atlama dugmesi */

.site-intro__skip {
  position: absolute;
  right: clamp(1rem, 3vw, 2rem);
  bottom: clamp(1rem, 3vw, 2rem);
  z-index: 3;
  padding: 0.5rem 1rem;
  min-height: 40px;
  background: transparent;
  border: 1px solid var(--line);
  border-radius: 999px;
  color: var(--text-muted);
  font-size: var(--step--1);
  font-weight: 600;
  cursor: pointer;
  animation:
    savana-fade 400ms ease-out 700ms both,
    savana-intro-logo-out 260ms var(--ease-out) 1350ms forwards;
  transition: border-color var(--transition), color var(--transition);
}

.site-intro__skip:hover {
  border-color: var(--accent);
  color: var(--accent-strong);
}

/*
 * Atlandiginda: kalan tum animasyonlar hizlandirilarak bitirilir.
 * Sinif JavaScript tarafindan eklenir; eklenemezse normal sure isler.
 */
html[data-intro='skipped'] .site-intro {
  animation: savana-curtain-done 1ms linear 340ms forwards;
}

html[data-intro='skipped'] .site-intro__inner {
  animation: savana-intro-logo-out 160ms var(--ease-out) 0ms forwards;
}

html[data-intro='skipped'] .site-intro__panel--left {
  animation: savana-curtain-left 340ms cubic-bezier(0.65, 0, 0.35, 1) 100ms forwards;
}

html[data-intro='skipped'] .site-intro__panel--right {
  animation: savana-curtain-right 340ms cubic-bezier(0.65, 0, 0.35, 1) 100ms forwards;
}

html[data-intro='skipped'] .site-intro__seam,
html[data-intro='skipped'] .site-intro__skip {
  opacity: 0;
  animation: none;
}

/*
 * Perde oynarken sayfa animasyonlari bu kadar geciktirilir; boylece
 * paneller ayrilirken hero tam o anda belirmeye baslar.
 */
:root {
  --intro-offset: 0ms;
}

html[data-intro='playing'] {
  /*
   * Bilerek kisa: hero perdenin ARKASINDA cizilir ve paneller ayrildiginda
   * hazir bir sayfa ortaya cikar. Daha uzun bir gecikme denenmisti;
   * paneller acildiginda arkasi bos kaliyordu.
   */
  --intro-offset: 400ms;
}

/* Atlandiginda gecikme kalkar, icerik hemen gelir */
html[data-intro='skipped'] {
  --intro-offset: 0ms;
}

@media (prefers-reduced-motion: reduce) {
  .site-intro {
    display: none !important;
  }

  :root,
  html[data-intro='playing'],
  html[data-intro='skipped'] {
    --intro-offset: 0ms;
  }
}

/* =========================================================================
   Hizli iletisim dugmeleri
   -------------------------------------------------------------------------
   Sag altta durur. Yalnizca ilgili numara tanimliysa sunucu tarafinda
   uretilir; bos ayar hicbir sey cizmez.
   ========================================================================= */

.quick-contact {
  position: fixed;
  right: clamp(0.75rem, 2vw, 1.5rem);
  bottom: clamp(0.75rem, 2vw, 1.5rem);
  z-index: 110;
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
  align-items: flex-end;
}

.quick-contact__btn {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  padding: 0.7rem;
  border: 1px solid transparent;
  border-radius: 999px;
  color: var(--white);
  box-shadow: 0 10px 26px -12px rgba(15, 23, 42, 0.55);

  /* Dokunmatik hedef en az 48px */
  min-width: 48px;
  min-height: 48px;
  justify-content: center;

  transition:
    transform 240ms var(--ease-out),
    box-shadow 240ms var(--ease-out),
    padding 240ms var(--ease-out);
}

.quick-contact__btn svg {
  width: 24px;
  height: 24px;
  flex: none;
}

/* Etiket yalnizca uzerine gelindiginde acilir; kapali durumda yer kaplamaz */
.quick-contact__label {
  max-width: 0;
  overflow: hidden;
  white-space: nowrap;
  font-size: var(--step--1);
  font-weight: 600;
  opacity: 0;
  transition:
    max-width 260ms var(--ease-out),
    opacity 200ms var(--ease-out),
    margin-right 260ms var(--ease-out);
}

.quick-contact__btn:hover .quick-contact__label,
.quick-contact__btn:focus-visible .quick-contact__label {
  max-width: 8rem;
  opacity: 1;
  margin-right: 0.35rem;
}

.quick-contact__btn:hover,
.quick-contact__btn:focus-visible {
  transform: translateY(-2px);
  padding-inline: 0.9rem;
  box-shadow: 0 14px 30px -14px rgba(15, 23, 42, 0.6);
  color: var(--white);
}

/* WhatsApp kendi marka rengini kullanir; taniyabilirlik icin onemli */
.quick-contact__btn--whatsapp {
  background: #1faf54;
}

.quick-contact__btn--whatsapp:hover {
  background: #17994a;
}

.quick-contact__btn--phone {
  background: var(--accent);
}

.quick-contact__btn--phone:hover {
  background: var(--accent-strong);
}

/* Perde acikken dugmeler gorunmesin */
html[data-intro='playing'] .quick-contact {
  opacity: 0;
  animation: savana-fade 500ms ease-out calc(var(--intro-offset) + 300ms) forwards;
}

@media (prefers-reduced-motion: reduce) {
  .quick-contact__btn:hover,
  .quick-contact__btn:focus-visible {
    transform: none !important;
  }

  html[data-intro='playing'] .quick-contact {
    opacity: 1;
    animation: none;
  }
}

@media print {
  .quick-contact {
    display: none;
  }
}