:root {
  --gold: #e4a91f;
  --gold-light: #ffc84a;
  --gold-dark: #8e6208;
  --black: #050607;
  --panel: #0b0d0f;
  --text: #f5f5f5;
  --muted: #b9b9b9;
  --line: rgba(228, 169, 31, .35);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background: #050505;
  color: var(--text);
  font-family: Arial, Helvetica, sans-serif;
}

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

/* =========================
   ÜST MENÜ
========================= */

.topbar {
  min-height: 78px;
  display: flex;
  align-items: center;
  gap: 25px;
  padding: 10px 5%;
  background: rgba(3, 4, 5, .97);
  border-bottom: 1px solid rgba(228, 169, 31, .22);
  position: sticky;
  top: 0;
  z-index: 50;
}

.logo {
  position: relative;
  width: 165px;
  height: 150px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  font-size: 42px;
  letter-spacing: -4px;
  border: 1px solid var(--gold);
  border-radius: 50%;
  text-shadow: 0 2px 8px #000;
}

.logo b {
  color: var(--gold);
  font-weight: 800;
}

.logo em {
  position: absolute;
  bottom: 30px;
  font-size: 17px;
  letter-spacing: 6px;
  font-style: normal;
  color: var(--gold-light);
}

.logo:before {
  content: "🎙";
  position: absolute;
  top: 28px;
  left: 67px;
  font-size: 34px;
  z-index: 2;
  transform: rotate(8deg);
}

.logo--small {
  width: 92px;
  height: 62px;
  border: 0;
  font-size: 31px;
  flex: none;
}

.logo--small:before {
  font-size: 22px;
  top: 4px;
  left: 40px;
}

.logo--small em {
  bottom: 2px;
  font-size: 10px;
  letter-spacing: 4px;
}

.motto {
  font-family: cursive;
  color: #d7d7d7;
  font-size: 13px;
  line-height: 1.2;
  transform: rotate(-2deg);
  white-space: nowrap;
}

nav {
  display: flex;
  gap: 25px;
  margin-left: auto;
  align-items: center;
}

nav a {
  font-size: 11px;
  font-weight: 700;
  white-space: nowrap;
  position: relative;
  padding: 29px 0;
}

nav a:hover {
  color: var(--gold-light);
}

nav a.active:after {
  content: "";
  position: absolute;
  height: 2px;
  background: var(--gold);
  bottom: 18px;
  left: 0;
  right: 0;
}

/* =========================
   SOSYAL MEDYA
========================= */

.socials {
  display: flex;
  gap: 10px;
}

.socials a {
  display: grid;
  place-items: center;
  width: 31px;
  height: 31px;
  border: 1px solid var(--gold-dark);
  border-radius: 50%;
  color: var(--gold-light);
  background: #0b0c0d;
  font-weight: bold;
  transition: .2s ease;
}

.socials a:hover {
  background: var(--gold);
  color: #050505;
}

/* =========================
   KURULUM ANA SAYFA
========================= */

.setup-page {
  min-height: calc(100vh - 78px);
  position: relative;
  overflow: hidden;
  background:
    radial-gradient(
      circle at 72% 18%,
      rgba(228, 169, 31, .17),
      transparent 25%
    ),
    radial-gradient(
      circle at 30% 55%,
      rgba(228, 169, 31, .05),
      transparent 35%
    ),
    linear-gradient(
      180deg,
      #07090b 0%,
      #030405 100%
    );
  padding: 90px 6% 55px;
}

.setup-page:before {
  content: "";
  position: absolute;
  width: 600px;
  height: 600px;
  right: -250px;
  top: -150px;
  border: 1px solid rgba(228, 169, 31, .13);
  border-radius: 50%;
}

.setup-content {
  position: relative;
  z-index: 2;
  max-width: 1100px;
  margin: 0 auto;
  text-align: center;
}

/* =========================
   KURULUM ROZETİ
========================= */

.setup-badge {
  display: inline-block;
  padding: 10px 22px;
  margin-bottom: 28px;
  border: 1px solid var(--gold);
  border-radius: 30px;
  background: rgba(228, 169, 31, .07);
  color: var(--gold-light);
  font-weight: 800;
  letter-spacing: 2px;
  font-size: 12px;
}

/* =========================
   BAŞLIK
========================= */

.setup-content > h1 {
  font-size: clamp(52px, 8vw, 100px);
  line-height: .9;
  margin: 0 0 35px;
  letter-spacing: -4px;
}

.setup-content > h1 span {
  color: var(--gold);
}

.setup-content > h2 {
  font-size: clamp(27px, 4vw, 48px);
  line-height: 1.15;
  margin: 0 0 25px;
  letter-spacing: 1px;
}

.setup-content > h2 strong {
  color: var(--gold);
}

/* =========================
   AÇIKLAMA
========================= */

.setup-text {
  max-width: 760px;
  margin: 0 auto 42px;
  color: #d0d0d0;
  font-size: 18px;
  line-height: 1.85;
}

/* =========================
   AR-GE KUTUSU
========================= */

.setup-status {
  max-width: 850px;
  margin: 38px auto;
  padding: 32px 35px;
  border: 1px solid var(--line);
  border-radius: 20px;
  background:
    linear-gradient(
      135deg,
      rgba(228, 169, 31, .055),
      rgba(255, 255, 255, .018)
    );
  box-shadow: 0 20px 50px rgba(0, 0, 0, .25);
}

.setup-status h3 {
  color: var(--gold);
  margin: 0 0 14px;
  font-size: 22px;
  letter-spacing: .5px;
}

.setup-status p {
  max-width: 690px;
  margin: 0 auto;
  color: #cfcfcf;
  line-height: 1.75;
}

/* =========================
   PROJELER
========================= */

.project-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
  margin: 55px auto;
}

.project-card {
  min-height: 180px;
  display: flex;
  flex-direction: column;
  justify-content: center;
  border: 1px solid var(--line);
  border-radius: 18px;
  padding: 28px 18px;
  background:
    linear-gradient(
      150deg,
      rgba(228, 169, 31, .055),
      rgba(255, 255, 255, .015)
    );
  transition: transform .2s ease, border-color .2s ease;
}

.project-card:hover {
  transform: translateY(-4px);
  border-color: var(--gold);
}

.project-card .icon {
  display: block;
  color: var(--gold);
  font-size: 36px;
  margin-bottom: 16px;
}

.project-card strong {
  display: block;
  font-size: 16px;
  margin-bottom: 10px;
}

.project-card small {
  color: #a9a9a9;
  line-height: 1.55;
}

/* =========================
   REKLAM & SPONSORLUK
========================= */

.sponsor-box {
  position: relative;
  overflow: hidden;
  max-width: 920px;
  margin: 60px auto 40px;
  padding: 45px 30px;
  border: 1px solid var(--gold);
  border-radius: 22px;
  background:
    radial-gradient(
      circle at 50% 0%,
      rgba(228, 169, 31, .13),
      transparent 55%
    ),
    #090b0d;
  box-shadow: 0 25px 70px rgba(0, 0, 0, .3);
}

.sponsor-box h2 {
  margin: 0 0 17px;
  color: var(--gold);
  font-size: clamp(25px, 4vw, 38px);
  line-height: 1.2;
}

.sponsor-box p {
  max-width: 670px;
  margin: 0 auto 28px;
  color: #d0d0d0;
  line-height: 1.75;
}

.mail-button {
  display: inline-block;
  min-width: 210px;
  padding: 16px 30px;
  border-radius: 40px;
  background:
    linear-gradient(
      135deg,
      var(--gold-light),
      #c98b0b
    );
  color: #090909;
  font-size: 14px;
  font-weight: 900;
  letter-spacing: .4px;
  box-shadow: 0 10px 30px rgba(228, 169, 31, .18);
  transition: transform .2s ease, filter .2s ease;
}

.mail-button:hover {
  transform: translateY(-3px);
  filter: brightness(1.08);
}

.mail-address {
  display: block;
  margin-top: 18px;
  color: #aaa;
  font-size: 14px;
}

/* =========================
   İLETİŞİM
========================= */

#contact {
  margin-top: 45px;
}

#contact .mail-button {
  margin-top: 24px;
}

/* =========================
   FOOTER
========================= */

.setup-footer {
  margin-top: 65px;
  padding: 40px 20px 15px;
  border-top: 1px solid rgba(228, 169, 31, .18);
  color: #aaa;
}

.setup-footer .logo {
  width: 120px;
  height: 110px;
  margin: 0 auto 20px;
  font-size: 31px;
}

.setup-footer .logo:before {
  top: 20px;
  left: 49px;
  font-size: 26px;
}

.setup-footer .logo em {
  bottom: 20px;
  font-size: 11px;
  letter-spacing: 4px;
}

.setup-footer p {
  line-height: 1.7;
}

.setup-footer strong {
  color: var(--gold-light);
}

/* =========================
   TABLET
========================= */

@media (max-width: 950px) {

  .motto {
    display: none;
  }

  nav {
    gap: 17px;
  }

  nav a {
    font-size: 10px;
  }

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

/* =========================
   MOBİL
========================= */

@media (max-width: 760px) {

  .topbar {
    min-height: 68px;
    padding: 5px 18px;
  }

  .topbar nav {
    display: none;
  }

  .topbar .socials {
    margin-left: auto;
  }

  .logo--small {
    width: 82px;
    height: 58px;
    font-size: 27px;
  }

  .logo--small:before {
    left: 35px;
    font-size: 19px;
  }

  .setup-page {
    padding: 60px 20px 40px;
  }

  .setup-content > h1 {
    letter-spacing: -2px;
  }

  .setup-text {
    font-size: 16px;
    line-height: 1.75;
  }

  .setup-status {
    padding: 27px 20px;
  }

  .project-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 12px;
  }

  .project-card {
    min-height: 165px;
    padding: 22px 12px;
  }

  .sponsor-box {
    padding: 35px 20px;
  }
}

/* =========================
   KÜÇÜK TELEFON
========================= */

@media (max-width: 480px) {

  .socials a {
    width: 29px;
    height: 29px;
  }

  .setup-badge {
    font-size: 10px;
    letter-spacing: 1.5px;
  }

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

  .project-card {
    min-height: 145px;
  }

  .mail-button {
    width: 100%;
  }
}