/* ==========================================================================
   Platin Bilişim × IBM Vault — GDN açılış sayfası
   Tasarım çizgisi: platinbilisim.com.tr (Outfit, lacivert zemin, #264595 / #2f5bb6)
   ========================================================================== */

:root {
  /* Platin Bilişim kurumsal renkler */
  --blue: #264595;
  --blue-hover: #2f5bb6;
  --blue-press: #1a3a6e;
  --blue-bright: #3a6fd8;
  --blue-50: #eef3fc;
  --blue-100: #dbe5f8;
  --blue-200: #b9cbef;
  /* Koyu zeminde okunabilir mavi vurgu */
  --sky: #8db8ff;
  --mist: #bbd0da;

  --navy: #152444;
  --navy-900: #0f1c36;
  --navy-950: #0a1628;
  --midnight: #191e3c;

  --ink: #0f1b33;
  --ink-2: #263252;
  --text: #4a5468;
  --muted: #6b7488;
  --line: #e1e7f0;
  --line-2: #cdd6e4;
  --bg: #ffffff;
  --bg-soft: #f3f6fb;

  --on-dark: #b6c3d9;
  --dark-line: rgba(141, 184, 255, .14);

  --danger: #c62828;

  --radius-sm: 10px;
  --radius: 14px;
  --radius-lg: 20px;
  --shadow-sm: 0 1px 2px rgba(10, 22, 40, .05), 0 6px 18px -10px rgba(10, 22, 40, .18);
  --shadow: 0 28px 64px -34px rgba(10, 22, 40, .42);
  --shadow-lg: 0 40px 90px -38px rgba(0, 0, 0, .6);

  --header-h: 78px;
  --font: "Outfit", system-ui, -apple-system, "Segoe UI", Roboto, Arial, sans-serif;
}

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

html {
  scroll-behavior: smooth;
  scroll-padding-top: calc(var(--header-h) + 20px);
  -webkit-text-size-adjust: 100%;
}

body {
  margin: 0;
  font-family: var(--font);
  font-size: 1.0625rem;
  font-weight: 400;
  line-height: 1.65;
  color: var(--text);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
  overflow-x: clip;
}

img, svg { display: block; max-width: 100%; }
img { height: auto; }
a { color: var(--blue); }
p { margin: 0; }
ul, ol { margin: 0; padding: 0; list-style: none; }

h1, h2, h3, h4 {
  margin: 0;
  color: var(--ink);
  font-weight: 600;
  line-height: 1.2;
  letter-spacing: -.01em;
  text-wrap: balance;
}

.container {
  width: 100%;
  max-width: 1260px;
  margin-inline: auto;
  padding-inline: 24px;
}
.container-narrow { max-width: 880px; }

.sprite { position: absolute; width: 0; height: 0; overflow: hidden; }

.ic {
  display: inline-block;
  width: 1.25em;
  height: 1.25em;
  flex: none;
  fill: none;
  stroke: currentColor;
  stroke-width: 1.7;
  stroke-linecap: round;
  stroke-linejoin: round;
}

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

.skip-link {
  position: fixed;
  top: 12px; left: 12px;
  z-index: 200;
  padding: 10px 18px;
  border-radius: 8px;
  background: var(--blue);
  color: #fff;
  font-weight: 600;
  text-decoration: none;
  transform: translateY(-160%);
  transition: transform .2s ease;
}
.skip-link:focus-visible { transform: none; }

:where(a, button, input, select, textarea, summary, details):focus-visible {
  outline: 3px solid var(--blue-bright);
  outline-offset: 2px;
  border-radius: 6px;
}

/* ---------- Yükleyici ---------- */
.preloader {
  position: fixed;
  inset: 0;
  z-index: 300;
  display: grid;
  place-items: center;
  background: var(--navy-950);
  transition: opacity .45s ease, visibility .45s ease;
}
.is-loaded .preloader { opacity: 0; visibility: hidden; }
.preloader-inner { position: relative; display: grid; place-items: center; width: 132px; height: 132px; }
.preloader-inner img { width: 84px; height: auto; }
.preloader-ring {
  position: absolute;
  inset: 0;
  border-radius: 50%;
  border: 2px solid rgba(141, 184, 255, .16);
  border-top-color: var(--sky);
  animation: spin 1s linear infinite;
}
@keyframes spin { to { transform: rotate(360deg); } }

/* ---------- Butonlar ---------- */
.btn {
  position: relative;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 13px 24px;
  border: 1px solid transparent;
  border-radius: 10px;
  font: inherit;
  font-size: .9688rem;
  font-weight: 600;
  line-height: 1.2;
  letter-spacing: .01em;
  text-decoration: none;
  white-space: nowrap;
  cursor: pointer;
  transition: background-color .18s ease, color .18s ease, border-color .18s ease, transform .18s ease, box-shadow .18s ease;
}
.btn .ic { width: 1.1em; height: 1.1em; stroke-width: 2; }
.btn:active { transform: translateY(1px); }

.btn-primary {
  background: linear-gradient(135deg, var(--blue-hover) 0%, var(--blue) 100%);
  color: #fff;
  box-shadow: 0 14px 30px -16px rgba(47, 91, 182, .95);
}
.btn-primary:hover { background: linear-gradient(135deg, var(--blue-bright) 0%, var(--blue-hover) 100%); box-shadow: 0 18px 34px -16px rgba(58, 111, 216, 1); }
.btn-primary:active { background: var(--blue-press); }

.btn-outline {
  background: transparent;
  color: var(--ink);
  border-color: var(--line-2);
}
.btn-outline:hover { border-color: var(--blue); color: var(--blue); background: var(--blue-50); }

.btn-ghost {
  background: rgba(255, 255, 255, .04);
  color: #fff;
  border-color: rgba(255, 255, 255, .28);
}
.btn-ghost:hover { background: rgba(255, 255, 255, .1); border-color: rgba(255, 255, 255, .6); }

.btn-light {
  background: rgba(255, 255, 255, .1);
  color: #fff;
  border-color: rgba(255, 255, 255, .34);
}
.btn-light:hover { background: rgba(255, 255, 255, .18); border-color: rgba(255, 255, 255, .6); }

.btn-white { background: #fff; color: var(--blue); box-shadow: 0 14px 30px -18px rgba(0, 0, 0, .5); }
.btn-white:hover { background: var(--blue-50); }

.btn-sm { padding: 10px 18px; font-size: .9063rem; }
.btn-lg { padding: 16px 28px; font-size: 1.0313rem; }
.btn-block { width: 100%; }

.btn-spinner {
  position: absolute;
  width: 20px; height: 20px;
  border-radius: 50%;
  border: 2px solid rgba(255, 255, 255, .35);
  border-top-color: #fff;
  opacity: 0;
  animation: spin .7s linear infinite;
}
.btn.is-loading { pointer-events: none; }
.btn.is-loading .btn-label, .btn.is-loading > .ic { opacity: 0; }
.btn.is-loading .btn-spinner { opacity: 1; }

/* ---------- Üst bar ---------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(10, 22, 40, .78);
  backdrop-filter: saturate(160%) blur(14px);
  -webkit-backdrop-filter: saturate(160%) blur(14px);
  border-bottom: 1px solid rgba(255, 255, 255, .07);
  transition: background-color .2s ease, box-shadow .2s ease;
}
.site-header.is-stuck { background: rgba(10, 22, 40, .94); box-shadow: 0 12px 30px -20px rgba(0, 0, 0, .7); }

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  min-height: var(--header-h);
}

.brand-lockup { display: flex; align-items: center; gap: 18px; }
.brand-lockup img { width: auto; }
.logo-td { height: 21px; }
.logo-ibm { height: 30px; }
.logo-platin { height: 34px; }
.logo-partner-link { display: block; line-height: 0; transition: opacity .18s ease; }
.logo-partner-link:hover { opacity: .8; }
.lockup-divider { width: 1px; height: 26px; background: rgba(255, 255, 255, .22); flex: none; }

.header-actions { display: flex; align-items: center; gap: 20px; }
.header-phone {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: #fff;
  font-size: .9688rem;
  font-weight: 500;
  text-decoration: none;
  white-space: nowrap;
}
.header-phone:hover { color: var(--sky); }
.header-phone .ic { color: var(--sky); }

/* ---------- Hero ---------- */
.hero {
  position: relative;
  isolation: isolate;
  margin-top: calc(var(--header-h) * -1);
  padding: calc(var(--header-h) + 64px) 0 150px;
  background:
    linear-gradient(180deg, rgba(10, 22, 40, 0) 55%, rgba(10, 22, 40, .35) 100%),
    url("../img/bg-circuit.jpg") center bottom / cover no-repeat,
    var(--navy-950);
  color: var(--on-dark);
  overflow: hidden;
}
.hero-bg { position: absolute; inset: 0; z-index: -1; pointer-events: none; }
.hero-glow {
  position: absolute;
  border-radius: 50%;
  filter: blur(90px);
}
.hero-glow-1 {
  width: 640px; height: 640px;
  top: -240px; right: -120px;
  background: radial-gradient(circle, rgba(47, 91, 182, .55), transparent 68%);
}
.hero-glow-2 {
  width: 520px; height: 520px;
  top: 30%; left: -260px;
  background: radial-gradient(circle, rgba(38, 69, 149, .45), transparent 70%);
}

.hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.04fr) minmax(0, .96fr);
  gap: 60px;
  align-items: center;
}

.hero-title {
  font-size: clamp(2.2rem, 1.4rem + 2.7vw, 3.45rem);
  font-weight: 600;
  line-height: 1.1;
  color: #fff;
  letter-spacing: -.02em;
}
.hero-title em {
  font-style: normal;
  color: var(--sky);
  white-space: nowrap;
}

.hero-lead {
  margin-top: 22px;
  max-width: 58ch;
  font-size: 1.125rem;
  line-height: 1.7;
  color: #c3cee0;
}

.checklist { margin-top: 28px; display: grid; gap: 14px; }
.checklist li { display: flex; align-items: flex-start; gap: 12px; font-size: 1rem; line-height: 1.55; }
.checklist .ic {
  margin-top: .14em;
  width: 1.4em; height: 1.4em;
  padding: 3px;
  border-radius: 50%;
  background: var(--blue-hover);
  color: #fff;
  stroke-width: 2.4;
}
.checklist strong { color: #fff; font-weight: 600; }

.checklist-light li { color: var(--text); }
.checklist-light strong { color: var(--ink); }
.checklist-light .ic { background: var(--blue); }

.hero-actions { margin-top: 34px; display: flex; flex-wrap: wrap; gap: 14px; }

/* ---------- Form kartı ---------- */
.hero-form-wrap { position: relative; scroll-margin-top: calc(var(--header-h) + 16px); }
.hero-form-wrap::before {
  content: "";
  position: absolute;
  inset: -1px;
  border-radius: calc(var(--radius-lg) + 1px);
  background: linear-gradient(150deg, rgba(141, 184, 255, .6), rgba(141, 184, 255, 0) 45%, rgba(47, 91, 182, .5));
  z-index: 0;
}
.form-card {
  position: relative;
  z-index: 1;
  padding: 30px;
  border-radius: var(--radius-lg);
  background: #fff;
  box-shadow: var(--shadow-lg);
}

.form-head { margin-bottom: 20px; }
.form-kicker {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 10px;
  color: var(--blue);
  font-size: .7813rem;
  font-weight: 600;
  letter-spacing: .08em;
  text-transform: uppercase;
}
.form-kicker .ic { width: 1.1em; height: 1.1em; }
.form-title { font-size: 1.625rem; font-weight: 600; }
.form-sub { margin-top: 8px; font-size: .9063rem; line-height: 1.55; color: var(--muted); }

.seg {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 6px;
  margin: 0 0 20px;
  padding: 5px;
  border: 0;
  border-radius: 12px;
  background: var(--bg-soft);
}
.seg-opt { position: relative; }
.seg-opt input { position: absolute; opacity: 0; width: 100%; height: 100%; margin: 0; cursor: pointer; }
.seg-opt span {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 10px 8px;
  border-radius: 9px;
  font-size: .875rem;
  font-weight: 600;
  color: var(--muted);
  transition: background-color .18s ease, color .18s ease, box-shadow .18s ease;
}
.seg-opt span .ic { width: 1.05em; height: 1.05em; }
.seg-opt input:checked + span { background: #fff; color: var(--blue); box-shadow: var(--shadow-sm); }
.seg-opt input:focus-visible + span { outline: 3px solid var(--blue-bright); outline-offset: 2px; }

.form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
.span-2 { grid-column: 1 / -1; }

.field { position: relative; }
.field input, .field select {
  width: 100%;
  height: 56px;
  padding: 22px 15px 7px;
  border: 1px solid var(--line-2);
  border-radius: var(--radius-sm);
  background: #fff;
  font: inherit;
  font-size: .9688rem;
  color: var(--ink);
  transition: border-color .18s ease, box-shadow .18s ease;
  appearance: none;
  -webkit-appearance: none;
}
.field select { cursor: pointer; padding-right: 38px; text-overflow: ellipsis; }
.field label {
  position: absolute;
  top: 17px; left: 16px;
  right: 16px;
  font-size: .9688rem;
  color: var(--muted);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  pointer-events: none;
  transition: transform .16s ease, font-size .16s ease, color .16s ease;
  transform-origin: left top;
}
.field input:focus, .field select:focus {
  outline: none;
  border-color: var(--blue);
  box-shadow: 0 0 0 3px rgba(38, 69, 149, .13);
}
.field input:focus + label,
.field input:not(:placeholder-shown) + label,
.field select:focus + label,
.field select:valid + label {
  transform: translateY(-10px) scale(.76);
  color: var(--blue);
}
/* Select her zaman bir metin gösterdiği için etiketi kalıcı olarak yukarıda tutuyoruz. */
.field-select label { transform: translateY(-10px) scale(.76); }
.field-select select:focus + label { color: var(--blue); }
.field select:invalid { color: var(--muted); }
.select-chevron {
  position: absolute;
  top: 28px; right: 14px;
  width: 18px; height: 18px;
  transform: translateY(-50%);
  color: var(--muted);
  pointer-events: none;
}
.field-error {
  margin-top: 4px;
  font-size: .7813rem;
  line-height: 1.4;
  color: var(--danger);
}
.field-error:empty { margin: 0; }
.field.is-invalid input, .field.is-invalid select { border-color: var(--danger); }
.field.is-invalid label { color: var(--danger); }

.consents { margin-top: 18px; display: grid; gap: 12px; }
.consents .field-error:empty { display: none; }
.check { display: flex; align-items: flex-start; gap: 11px; cursor: pointer; }
.check input { position: absolute; opacity: 0; width: 1px; height: 1px; }
.check-box {
  flex: none;
  display: grid;
  place-items: center;
  width: 20px; height: 20px;
  margin-top: 1px;
  border: 1.5px solid var(--line-2);
  border-radius: 6px;
  background: #fff;
  transition: background-color .16s ease, border-color .16s ease;
}
.check-box .ic { width: 14px; height: 14px; color: #fff; stroke-width: 3; opacity: 0; transition: opacity .16s ease; }
.check input:checked + .check-box { background: var(--blue); border-color: var(--blue); }
.check input:checked + .check-box .ic { opacity: 1; }
.check input:focus-visible + .check-box { outline: 3px solid var(--blue-bright); outline-offset: 2px; }
.check-text { font-size: .8438rem; line-height: 1.5; color: var(--muted); }
.check-text a { color: var(--blue); font-weight: 500; }
.check.is-invalid .check-box { border-color: var(--danger); }

.lead-form .btn-block { margin-top: 20px; }
.form-status { margin-top: 10px; font-size: .8438rem; color: var(--danger); text-align: center; }
.form-status:empty { margin: 0; }

.form-success { text-align: center; padding: 34px 6px; }
.form-success p { margin: 10px auto 24px; max-width: 34ch; color: var(--muted); font-size: 1rem; }
.success-mark {
  display: grid;
  place-items: center;
  width: 68px; height: 68px;
  margin: 0 auto 18px;
  border-radius: 50%;
  background: var(--blue-100);
  color: var(--blue);
}
.success-mark .ic { width: 32px; height: 32px; stroke-width: 2.6; }

/* ---------- Rakamlar ---------- */
.stats { margin-top: -84px; position: relative; z-index: 2; }
.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 18px;
}
.stat-card {
  display: grid;
  grid-template-columns: auto 1fr;
  grid-template-rows: auto auto;
  column-gap: 16px;
  align-items: center;
  padding: 24px 24px;
  border-radius: var(--radius);
  background: linear-gradient(140deg, var(--blue-hover) 0%, var(--blue) 55%, var(--blue-press) 100%);
  color: #fff;
  box-shadow: 0 26px 50px -30px rgba(10, 22, 40, .9);
  border: 1px solid rgba(255, 255, 255, .12);
}
.stat-ic { grid-row: 1 / span 2; width: 40px; height: 40px; color: #fff; stroke-width: 1.4; opacity: .95; }
.stat-value {
  font-size: clamp(1.6rem, 1.2rem + 1vw, 2.05rem);
  font-weight: 700;
  line-height: 1.05;
  letter-spacing: -.01em;
}
.stat-label { margin-top: 4px; font-size: .875rem; line-height: 1.4; color: rgba(255, 255, 255, .82); }

/* ---------- Bölümler ---------- */
.section { padding: 92px 0; }
.section-soft { background: var(--bg-soft); }
.section-dark {
  position: relative;
  isolation: isolate;
  background:
    linear-gradient(180deg, rgba(10, 22, 40, .55) 0%, rgba(10, 22, 40, .15) 60%, rgba(10, 22, 40, .6) 100%),
    url("../img/bg-grid.jpg") center bottom / cover no-repeat,
    var(--navy-950);
  color: var(--on-dark);
}
.section-dark h2, .section-dark h3 { color: #fff; }
.section-dark .section-lead { color: #aebbd2; }

.section-head { max-width: 780px; margin-bottom: 48px; }
.kicker {
  margin-bottom: 12px;
  color: var(--blue);
  font-size: .8125rem;
  font-weight: 600;
  letter-spacing: .12em;
  text-transform: uppercase;
}
.kicker-light { color: var(--sky); }
.section-title { font-size: clamp(1.75rem, 1.25rem + 1.7vw, 2.55rem); letter-spacing: -.015em; }
.section-lead { margin-top: 16px; font-size: 1.0938rem; line-height: 1.7; color: var(--text); }

/* ---------- Ürün kartları ---------- */
.product-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 22px;
}
.product-card {
  position: relative;
  display: flex;
  flex-direction: column;
  padding: 30px 28px 26px;
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  background: #fff;
  overflow: hidden;
  transition: transform .22s ease, box-shadow .22s ease, border-color .22s ease;
}
.product-card::before {
  content: "";
  position: absolute;
  inset: 0 0 auto;
  height: 120px;
  background: linear-gradient(180deg, var(--blue-50), rgba(238, 243, 252, 0));
  z-index: 0;
}
.product-card > * { position: relative; z-index: 1; }
.product-card:hover { transform: translateY(-5px); border-color: var(--blue-200); box-shadow: var(--shadow); }
.product-top { display: flex; align-items: center; justify-content: space-between; gap: 12px; margin-bottom: 22px; }
.product-ic {
  display: grid;
  place-items: center;
  width: 54px; height: 54px;
  border-radius: 14px;
  background: linear-gradient(140deg, var(--blue-hover), var(--blue-press));
  color: #fff;
  box-shadow: 0 12px 24px -14px rgba(38, 69, 149, .95);
}
.product-ic .ic { width: 26px; height: 26px; }
.product-tag {
  padding: 6px 12px;
  border-radius: 999px;
  background: #fff;
  border: 1px solid var(--blue-100);
  color: var(--blue);
  font-size: .7813rem;
  font-weight: 600;
  white-space: nowrap;
}
.product-card h3 { font-size: 1.375rem; margin-bottom: 10px; }
.product-card > p { font-size: .9688rem; line-height: 1.62; color: var(--text); }
.product-list { margin: 20px 0 24px; padding-top: 18px; border-top: 1px solid var(--line); display: grid; gap: 10px; }
.product-list li { display: flex; align-items: flex-start; gap: 10px; font-size: .9375rem; line-height: 1.5; color: var(--ink-2); }
.product-list .ic { margin-top: .12em; width: 1.15em; height: 1.15em; color: var(--blue); stroke-width: 2.4; }
.product-link {
  margin-top: auto;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: var(--blue);
  font-size: .9375rem;
  font-weight: 600;
  text-decoration: none;
}
.product-link .ic { width: 1.05em; height: 1.05em; stroke-width: 2.2; transition: transform .18s ease; }
.product-link:hover .ic { transform: translateX(4px); }

/* ---------- Otomasyon tablosu ---------- */
.auto-table {
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  background: #fff;
  overflow: hidden;
  box-shadow: var(--shadow-sm);
}
.auto-row {
  display: grid;
  grid-template-columns: minmax(0, .8fr) minmax(0, 1.1fr) minmax(0, 1.1fr);
  border-top: 1px solid var(--line);
}
.auto-row:first-child { border-top: 0; }
.auto-row > span { display: flex; align-items: flex-start; gap: 12px; padding: 20px 26px; font-size: .9688rem; line-height: 1.5; }
.auto-head > span {
  padding-block: 16px;
  font-size: .8125rem;
  font-weight: 600;
  letter-spacing: .1em;
  text-transform: uppercase;
  color: var(--muted);
  background: var(--bg-soft);
}
.auto-head > span:last-child { background: var(--blue); color: #fff; }
.auto-topic { color: var(--ink); font-weight: 600; }
.auto-topic .ic { width: 1.3em; height: 1.3em; color: var(--blue); }
.auto-before { color: var(--muted); }
.auto-before .ic { margin-top: .1em; width: 1.15em; height: 1.15em; color: #a0a8b8; stroke-width: 2.2; }
.auto-after { color: var(--ink-2); background: linear-gradient(90deg, rgba(238, 243, 252, .9), rgba(238, 243, 252, .4)); }
.auto-after .ic { margin-top: .1em; width: 1.15em; height: 1.15em; color: var(--blue); stroke-width: 2.4; }

/* ---------- Döngü ---------- */
.loop-steps {
  position: relative;
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 20px;
  counter-reset: none;
}
.loop-steps::before {
  content: "";
  position: absolute;
  top: 58px; left: 8%; right: 8%;
  height: 1px;
  background: linear-gradient(90deg, rgba(141, 184, 255, 0), rgba(141, 184, 255, .45), rgba(141, 184, 255, 0));
}
.loop-step {
  position: relative;
  padding: 28px 24px 26px;
  border-radius: var(--radius-lg);
  background: rgba(21, 36, 68, .62);
  border: 1px solid var(--dark-line);
  backdrop-filter: blur(6px);
  -webkit-backdrop-filter: blur(6px);
}
.loop-num {
  position: absolute;
  top: 22px; right: 22px;
  font-size: .875rem;
  font-weight: 600;
  letter-spacing: .08em;
  color: rgba(141, 184, 255, .7);
}
.loop-ic {
  display: grid;
  place-items: center;
  width: 60px; height: 60px;
  margin-bottom: 20px;
  border-radius: 16px;
  background: linear-gradient(140deg, var(--blue-hover), var(--blue));
  color: #fff;
  box-shadow: 0 0 0 6px rgba(47, 91, 182, .16), 0 16px 32px -14px rgba(47, 91, 182, .9);
}
.loop-ic .ic { width: 28px; height: 28px; }
.loop-step h3 { font-size: 1.25rem; margin-bottom: 10px; }
.loop-step p { font-size: .9375rem; line-height: 1.62; color: var(--on-dark); }

.integrations { margin-top: 56px; text-align: center; }
.integrations-title {
  margin-bottom: 18px;
  color: var(--mist);
  font-size: .8125rem;
  font-weight: 600;
  letter-spacing: .12em;
  text-transform: uppercase;
}
.chip-list { display: flex; flex-wrap: wrap; justify-content: center; gap: 10px; max-width: 1000px; margin-inline: auto; }
.chip-list li {
  padding: 8px 16px;
  border-radius: 999px;
  border: 1px solid rgba(141, 184, 255, .22);
  background: rgba(255, 255, 255, .04);
  color: #dbe5f5;
  font-size: .9063rem;
}

/* ---------- Ekipler ---------- */
.role-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 20px;
}
.role-card {
  padding: 28px 26px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: #fff;
  transition: transform .22s ease, box-shadow .22s ease, border-color .22s ease;
}
.role-card:hover { transform: translateY(-4px); border-color: var(--blue-100); box-shadow: var(--shadow); }
.role-ic {
  display: grid;
  place-items: center;
  width: 48px; height: 48px;
  margin-bottom: 18px;
  border-radius: 12px;
  background: var(--blue-50);
  color: var(--blue);
}
.role-ic .ic { width: 24px; height: 24px; }
.role-card h3 { font-size: 1.125rem; margin-bottom: 8px; }
.role-card p { font-size: .9375rem; line-height: 1.62; color: var(--muted); }

/* ---------- Neden Platin ---------- */
.platin-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(0, .95fr);
  gap: 64px;
  align-items: center;
}
.platin-copy .checklist { margin-bottom: 32px; }
.figure-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px;
}
.figure-card {
  display: grid;
  grid-template-columns: auto 1fr;
  grid-template-rows: auto auto;
  column-gap: 16px;
  align-items: center;
  padding: 22px 22px;
  border-radius: var(--radius);
  background: linear-gradient(145deg, var(--navy) 0%, var(--navy-950) 100%);
  border: 1px solid rgba(141, 184, 255, .14);
  color: #fff;
  box-shadow: 0 22px 44px -30px rgba(10, 22, 40, .9);
}
.figure-card .ic { grid-row: 1 / span 2; width: 38px; height: 38px; color: var(--sky); stroke-width: 1.4; }
.figure-value { font-size: 1.85rem; font-weight: 700; line-height: 1.1; }
.figure-value-sm { font-size: 1.125rem; line-height: 1.25; }
.figure-label { margin-top: 2px; font-size: .875rem; color: var(--on-dark); line-height: 1.4; }

.process {
  margin-top: 64px;
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 0;
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  background: #fff;
  overflow: hidden;
}
.process-step { padding: 28px 26px; border-left: 1px solid var(--line); }
.process-step:first-child { border-left: 0; }
.process-num {
  display: grid;
  place-items: center;
  width: 36px; height: 36px;
  margin-bottom: 16px;
  border-radius: 50%;
  background: var(--blue);
  color: #fff;
  font-weight: 600;
}
.process-step h3 { font-size: 1.0938rem; margin-bottom: 8px; }
.process-step p { font-size: .9063rem; line-height: 1.6; color: var(--muted); }

/* ---------- SSS ---------- */
.faq { display: grid; gap: 12px; }
.faq-item {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: #fff;
  transition: border-color .18s ease, box-shadow .18s ease;
}
.faq-item[open] { border-color: var(--blue-200); box-shadow: var(--shadow-sm); }
.faq-item summary {
  position: relative;
  padding: 20px 60px 20px 24px;
  font-size: 1.0625rem;
  font-weight: 600;
  color: var(--ink);
  cursor: pointer;
  list-style: none;
}
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary::after {
  content: "";
  position: absolute;
  top: 50%; right: 24px;
  width: 12px; height: 12px;
  border-right: 2px solid var(--blue);
  border-bottom: 2px solid var(--blue);
  transform: translateY(-70%) rotate(45deg);
  transition: transform .2s ease;
}
.faq-item[open] summary::after { transform: translateY(-30%) rotate(-135deg); }
.faq-body { padding: 0 24px 22px; }
.faq-body p { font-size: .9688rem; line-height: 1.7; color: var(--text); }

/* ---------- Kapanış CTA ---------- */
.final-cta {
  padding: 72px 0;
  background: linear-gradient(135deg, var(--blue-press) 0%, var(--blue) 50%, var(--blue-hover) 100%);
  color: #fff;
}
.final-inner { display: flex; align-items: center; justify-content: space-between; gap: 40px; }
.final-inner h2 { color: #fff; font-size: clamp(1.6rem, 1.2rem + 1.4vw, 2.3rem); }
.final-inner p { margin-top: 12px; max-width: 62ch; color: rgba(255, 255, 255, .84); font-size: 1.0625rem; line-height: 1.65; }
.final-actions { display: flex; flex-wrap: wrap; gap: 14px; flex: none; }

/* ---------- Footer ---------- */
.site-footer { background: var(--navy-950); color: var(--on-dark); padding-top: 56px; }
.footer-inner {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 40px;
  padding-bottom: 40px;
  border-bottom: 1px solid rgba(255, 255, 255, .08);
}
.brand-lockup-footer .logo-td { height: 20px; }
.brand-lockup-footer .logo-ibm { height: 29px; }
.brand-lockup-footer .logo-platin { height: 32px; }
.footer-contact { display: grid; gap: 12px; font-size: .9375rem; }
.footer-contact li, .footer-contact a { display: flex; align-items: flex-start; gap: 12px; color: var(--on-dark); text-decoration: none; }
.footer-contact a:hover { color: #fff; }
.footer-contact .ic { margin-top: .15em; color: var(--sky); }
.footer-bottom {
  display: flex;
  justify-content: space-between;
  gap: 20px;
  padding-block: 22px;
  font-size: .8438rem;
  color: #8796b0;
}
.footer-bottom a { color: #8796b0; text-decoration: none; }
.footer-bottom a:hover { color: #fff; }

/* ---------- Mobil sabit CTA ---------- */
.mobile-cta {
  position: fixed;
  left: 0; right: 0; bottom: 0;
  z-index: 90;
  display: none;
  padding: 12px 16px calc(12px + env(safe-area-inset-bottom));
  background: rgba(10, 22, 40, .94);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-top: 1px solid rgba(255, 255, 255, .08);
  transform: translateY(110%);
  transition: transform .25s ease;
}
.mobile-cta.is-visible { transform: none; }

/* ---------- Kaydırma animasyonu ---------- */
.js .reveal { opacity: 0; transform: translateY(18px); transition: opacity .6s ease, transform .6s ease; }
.js .reveal.is-visible { opacity: 1; transform: none; }

/* ---------- Duyarlı düzen ---------- */
@media (max-width: 1100px) {
  .hero-grid { gap: 40px; }
  .stats-grid { gap: 14px; }
  .stat-card { padding: 20px; column-gap: 12px; }
  .stat-ic { width: 32px; height: 32px; }
  .loop-steps { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .loop-steps::before { display: none; }
}

@media (max-width: 980px) {
  .hero { padding-bottom: 130px; }
  .hero-grid { grid-template-columns: 1fr; gap: 44px; }
  .hero-copy { max-width: 720px; }
  .hero-form-wrap { max-width: 640px; }
  .stats-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .product-grid { grid-template-columns: 1fr; max-width: 680px; }
  .role-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .platin-grid { grid-template-columns: 1fr; gap: 44px; }
  .process { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .process-step:nth-child(3) { border-left: 0; }
  .process-step:nth-child(n+3) { border-top: 1px solid var(--line); }
  .final-inner { flex-direction: column; align-items: flex-start; }
}

@media (max-width: 860px) {
  .header-phone { display: none; }
  .auto-head { display: none; }
  .auto-row { grid-template-columns: 1fr; padding: 6px 0; }
  .auto-row > span { padding: 10px 22px; }
  .auto-topic { padding-top: 18px !important; }
  .auto-after { margin: 0 14px 14px; border-radius: 10px; padding: 12px 14px !important; }
  .auto-row:nth-child(2) { border-top: 0; }
}

@media (max-width: 760px) {
  :root { --header-h: 66px; }
  .section { padding: 68px 0; }
  .section-head { margin-bottom: 36px; }
  .brand-lockup { gap: 12px; }
  .logo-td { height: 16px; }
  .logo-ibm { height: 24px; }
  .logo-platin { height: 26px; }
  .lockup-divider { height: 20px; }
  .hero { padding-top: calc(var(--header-h) + 40px); }
  .hero-lead { font-size: 1.0313rem; }
  .form-card { padding: 24px 20px; }
  .role-grid { grid-template-columns: 1fr; }
  .footer-inner { flex-direction: column; }
  .footer-bottom { flex-direction: column; gap: 6px; }
  .mobile-cta { display: block; }
  .site-footer { padding-bottom: 76px; }
}

@media (max-width: 600px) {
  .header-actions .btn { display: none; }
  .header-inner { justify-content: center; }
  .stats { margin-top: -96px; }
  .loop-steps { grid-template-columns: 1fr; }
  .process { grid-template-columns: 1fr; }
  .process-step { border-left: 0 !important; border-top: 1px solid var(--line); }
  .process-step:first-child { border-top: 0; }
  .figure-grid { gap: 12px; }
  .figure-card { padding: 18px 16px; column-gap: 12px; }
  .figure-card .ic { width: 30px; height: 30px; }
  .figure-value { font-size: 1.5rem; }
  .figure-value-sm { font-size: 1rem; }
}

@media (max-width: 520px) {
  .container { padding-inline: 18px; }
  .hero-actions .btn { width: 100%; }
  .final-actions, .final-actions .btn { width: 100%; }
  .stats-grid { gap: 10px; }
  .stat-card { grid-template-columns: 1fr; padding: 18px 16px; }
  .stat-ic { grid-row: auto; width: 28px; height: 28px; margin-bottom: 10px; }
  .stat-label { font-size: .8125rem; }
  .form-grid { grid-template-columns: 1fr 1fr; }
  .form-grid > .field:not(.field-half) { grid-column: 1 / -1; }
  .figure-card { grid-template-columns: 1fr; padding: 16px 14px; }
  .figure-card .ic { grid-row: auto; width: 26px; height: 26px; margin-bottom: 8px; }
  .figure-value-sm { font-size: .9375rem; }
  .figure-label { font-size: .8125rem; }
}

@media (max-width: 400px) {
  .brand-lockup { gap: 9px; }
  .logo-td { height: 14px; }
  .logo-ibm { height: 21px; }
  .logo-platin { height: 22px; }
  .lockup-divider { height: 18px; }
  .seg-opt span { font-size: .8438rem; }
}

@media (max-width: 440px) {
  .seg-opt span { white-space: nowrap; }
  .seg-opt span .ic { display: none; }
}

@media (max-height: 820px) and (min-width: 981px) {
  .hero { padding-top: calc(var(--header-h) + 40px); }
  .hero-lead { margin-top: 16px; }
  .checklist { margin-top: 20px; gap: 10px; }
  .hero-actions { margin-top: 26px; }
}

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

@media print {
  .site-header, .mobile-cta, .preloader { display: none !important; }
  .hero, .section-dark, .final-cta, .site-footer { background: #fff !important; color: #000 !important; }
}
