:root {
  --ivory: #f4f0e8;
  --gold: #c8a978;
  --ink: #0b0d12;
}

* {
  box-sizing: border-box;
}

html,
body {
  height: 100%;
  margin: 0;
}

body {
  overflow: hidden;
  background: var(--ink);
  color: var(--ivory);
  font-family: Arial, Helvetica, sans-serif;
}

.hero {
  position: relative;
  min-height: 100svh;
  overflow: hidden;
  isolation: isolate;
}

.hero__image,
.hero__shade {
  position: absolute;
  inset: 0;
}

.hero__image {
  z-index: -3;
  background: url("image/referans1.jpg") center 53% / cover no-repeat;
  transform: scale(1.035);
  animation: reveal-image 1.8s cubic-bezier(.2,.65,.2,1) forwards;
}

.hero__shade {
  z-index: -2;
  background:
    linear-gradient(90deg, rgba(7, 9, 14, .88) 0%, rgba(7, 9, 14, .58) 32%, rgba(7, 9, 14, .08) 67%, rgba(7, 9, 14, .28) 100%),
    linear-gradient(0deg, rgba(5, 7, 11, .78) 0%, transparent 38%, rgba(6, 8, 13, .14) 72%);
}

.hero::after {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 5;
  pointer-events: none;
  border: 1px solid rgba(255, 255, 255, .12);
  margin: 22px;
}

.topbar {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  z-index: 10;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 46px 58px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  color: inherit;
  text-decoration: none;
  letter-spacing: .22em;
}

.brand__line {
  width: 32px;
  height: 1px;
  background: var(--gold);
}

.brand__name {
  font-size: 13px;
  font-weight: 700;
}

.brand__number {
  color: var(--gold);
  font: italic 30px Georgia, serif;
  letter-spacing: -.04em;
  transform: translateY(-1px);
}

.menu {
  display: grid;
  width: 48px;
  height: 48px;
  padding: 15px 11px;
  border: 1px solid rgba(255, 255, 255, .3);
  background: rgba(7, 9, 13, .18);
  cursor: pointer;
}

.menu span {
  display: block;
  width: 100%;
  height: 1px;
  align-self: center;
  background: var(--ivory);
  transition: transform .3s ease;
}

.menu:hover span:first-child { transform: translateX(5px); }
.menu:hover span:last-child { transform: translateX(-5px); }

.hero__content {
  position: absolute;
  top: 49%;
  left: clamp(58px, 8.6vw, 150px);
  z-index: 2;
  max-width: 760px;
  transform: translateY(-50%);
}

.eyebrow {
  display: flex;
  align-items: center;
  gap: 14px;
  margin: 0 0 24px;
  color: var(--gold);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: .34em;
  animation: rise .8s .25s both;
}

.eyebrow::before {
  content: "";
  display: block;
  width: 38px;
  height: 1px;
  background: currentColor;
}

h1 {
  margin: 0;
  max-width: 720px;
  font: 400 clamp(48px, 6.2vw, 100px)/.92 Georgia, "Times New Roman", serif;
  letter-spacing: -.045em;
  text-wrap: balance;
  animation: rise .9s .38s both;
}

h1 em {
  color: var(--gold);
  font-weight: 400;
}

.intro {
  margin: 30px 0 34px;
  color: rgba(244, 240, 232, .72);
  font-size: clamp(13px, 1.1vw, 16px);
  font-weight: 300;
  line-height: 1.75;
  letter-spacing: .025em;
  animation: rise .9s .52s both;
}

.cta {
  display: inline-flex;
  align-items: center;
  gap: 24px;
  color: var(--ivory);
  font-size: 10px;
  font-weight: 700;
  letter-spacing: .25em;
  text-decoration: none;
  animation: rise .9s .66s both;
}

.cta__arrow {
  display: grid;
  width: 46px;
  height: 46px;
  place-items: center;
  border: 1px solid var(--gold);
  color: var(--gold);
  font-size: 19px;
  transition: .3s ease;
}

.cta:hover .cta__arrow {
  background: var(--gold);
  color: var(--ink);
  transform: translate(3px, -3px);
}

.footer {
  position: absolute;
  right: 58px;
  bottom: 45px;
  left: 58px;
  z-index: 2;
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
}

.scroll-cue {
  display: flex;
  align-items: center;
  gap: 14px;
  color: rgba(255, 255, 255, .55);
  font-size: 9px;
  font-weight: 700;
  letter-spacing: .28em;
  transform: rotate(-90deg) translateX(100%);
  transform-origin: left bottom;
}

.scroll-cue i {
  display: block;
  width: 44px;
  height: 1px;
  background: rgba(255, 255, 255, .35);
}

.sales-note {
  margin: 0;
  padding-left: 20px;
  border-left: 1px solid var(--gold);
  color: rgba(244, 240, 232, .68);
  font-size: 10px;
  line-height: 1.65;
  letter-spacing: .08em;
  text-align: left;
  text-transform: uppercase;
}

.sales-note strong {
  color: var(--ivory);
  letter-spacing: .15em;
}

.side-index {
  position: absolute;
  top: 50%;
  right: 39px;
  z-index: 6;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 11px;
  color: rgba(255,255,255,.55);
  font-size: 8px;
  letter-spacing: .1em;
  transform: translateY(-50%);
}

.side-index i {
  width: 1px;
  height: 46px;
  background: linear-gradient(var(--gold) 40%, rgba(255,255,255,.25) 40%);
}

@keyframes reveal-image {
  from { opacity: 0; transform: scale(1.11); }
  to { opacity: 1; transform: scale(1.035); }
}

@keyframes rise {
  from { opacity: 0; transform: translateY(18px); }
  to { opacity: 1; transform: translateY(0); }
}

@media (max-width: 720px) {
  .hero::after { margin: 10px; }
  .hero__image { background-position: 64% center; }
  .hero__shade {
    background: linear-gradient(90deg, rgba(7,9,14,.85), rgba(7,9,14,.25)), linear-gradient(0deg, rgba(5,7,11,.92), transparent 62%);
  }
  .topbar { padding: 30px 28px; }
  .brand__line { width: 20px; }
  .brand__name { font-size: 11px; }
  .brand__number { font-size: 25px; }
  .hero__content { top: 49%; left: 28px; right: 28px; }
  .eyebrow { margin-bottom: 20px; font-size: 9px; letter-spacing: .22em; }
  h1 { font-size: clamp(46px, 15vw, 66px); }
  .intro { max-width: 320px; margin: 24px 0 28px; line-height: 1.6; }
  .desktop-only, .scroll-cue, .side-index { display: none; }
  .footer { right: 28px; bottom: 28px; left: 28px; justify-content: flex-end; }
  .sales-note { font-size: 8px; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation: none !important; transition: none !important; }
}