:root {
  --page-bg: #f1f1ed;
  --white: #ffffff;
  --black: #0a0a0a;
  --menu-bg: #ffffff;
  --menu-border: rgba(10, 10, 10, 0.08);

  --radius: 24px;
  --page-gap: 12px;

  --ease-out: cubic-bezier(.16, 1, .3, 1);
  --ease-soft: cubic-bezier(.22, .75, .18, 1);

  --font-ui:
    -apple-system,
    BlinkMacSystemFont,
    "SF Pro Display",
    "SF Pro Text",
    "Helvetica Neue",
    Helvetica,
    Arial,
    "Segoe UI",
    sans-serif;

  /* =========================================================
     WEB ARKA PLAN
     cPanel:
     public_html/assets/background/web-site-wallpaper.avif
     ========================================================= */
  --hero-web: url("/assets/background/web-site-wallpaper.avif");

  /* =========================================================
     MOBİL ARKA PLAN
     Şimdilik aynı dosya.
     Ayrı mobil görsel yüklediğinde yalnızca bu satırı değiştir.
     ========================================================= */
  --hero-mobile: url("/assets/background/web-site-wallpaper.avif");
}

* {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  min-height: 100%;
  background: var(--page-bg);
}

body {
  min-height: 100svh;
  overflow-x: hidden;
  padding:
    max(var(--page-gap), env(safe-area-inset-top))
    max(var(--page-gap), env(safe-area-inset-right))
    max(var(--page-gap), env(safe-area-inset-bottom))
    max(var(--page-gap), env(safe-area-inset-left));

  color: var(--white);
  font-family: var(--font-ui);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

a,
button {
  font: inherit;
}

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

button {
  border: 0;
  padding: 0;
}

.page {
  min-height: calc(100svh - (var(--page-gap) * 2));
}

/* =========================================================
   HERO
   ========================================================= */

.hero {
  position: relative;
  isolation: isolate;
  min-height: calc(100svh - (var(--page-gap) * 2));
  overflow: hidden;
  border: 1px solid rgba(0, 0, 0, .08);
  border-radius: var(--radius);
  background: #8b8b87;
}

.hero-media-track {
  position: absolute;
  inset: -22px;
  z-index: -5;
  transform: translate3d(
    var(--parallax-x, 0px),
    var(--parallax-y, 0px),
    0
  );
  will-change: transform;
  backface-visibility: hidden;
}

.hero-media-photo {
  position: absolute;
  inset: 0;
  background-image: var(--hero-web);
  background-size: cover;
  background-position: 50% 50%;
  transform: scale(1.075);
  filter: saturate(.9) contrast(.98) brightness(.88);
  will-change: transform, filter, opacity;
  backface-visibility: hidden;
  animation: hero-photo-in 1800ms var(--ease-out) 60ms both;
}

.hero::after {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1;
  pointer-events: none;
  border-radius: inherit;
  box-shadow:
    inset 0 0 0 1px rgba(255,255,255,.10),
    inset 0 -80px 100px rgba(0,0,0,.055);
}

/* =========================================================
   LINKEDIN
   ========================================================= */

.linkedin {
  position: absolute;
  top: clamp(18px, 1.7vw, 30px);
  left: clamp(18px, 1.7vw, 30px);
  z-index: 20;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 42px;
  height: 42px;
  border-radius: 999px;
  color: var(--black);
  background: var(--white);
  border: 1px solid rgba(10,10,10,.06);
  box-shadow:
    0 8px 28px rgba(0,0,0,.11),
    0 1px 2px rgba(0,0,0,.05);
  opacity: 0;
  transform: translate3d(0, 10px, 0);
  animation: control-in 650ms var(--ease-out) 860ms forwards;
  transition:
    transform 220ms var(--ease-soft),
    box-shadow 220ms var(--ease-soft);
}

.linkedin-icon {
  width: 19px;
  height: 19px;
}

.linkedin:hover {
  transform: translate3d(0, -2px, 0);
  box-shadow:
    0 12px 32px rgba(0,0,0,.14),
    0 1px 2px rgba(0,0,0,.05);
}

/* =========================================================
   HERO TEXT
   ========================================================= */

.hero-copy {
  position: absolute;
  z-index: 10;
  left: clamp(22px, 2.6vw, 52px);
  bottom: clamp(28px, 3.4vw, 66px);
  width: min(860px, 68vw);
}

.hero-statement {
  margin: 0;
  color: var(--white);
  font-size: clamp(30px, 3.15vw, 62px);
  font-weight: 680;
  line-height: 1.01;
  letter-spacing: -.052em;
  text-wrap: balance;
  text-shadow:
    0 2px 16px rgba(0,0,0,.20),
    0 1px 2px rgba(0,0,0,.12);
}

.word {
  display: inline-block;
  margin-right: .22em;
  opacity: 0;
  filter: blur(9px);
  transform: translate3d(0, .82em, 0);
  animation:
    word-reveal 920ms var(--ease-out)
    calc(300ms + (var(--i) * 62ms))
    forwards;
  will-change: transform, opacity, filter;
}

.word:last-child {
  margin-right: 0;
}

/* =========================================================
   GLOBAL NAVIGATION — MATCHES INNER PAGES
   ========================================================= */

.desktop-menu-wrap {
  position: fixed;
  z-index: 200;
  right: calc(22px + env(safe-area-inset-right));
  bottom: calc(22px + env(safe-area-inset-bottom));
  opacity: 0;
  transform: translate3d(0, 10px, 0);
  animation: control-in 620ms var(--ease-out) 780ms forwards;
}

.desktop-menu {
  display: flex;
  align-items: center;
  gap: 2px;
  padding: 5px;
  border: 1px solid rgba(10,10,10,.08);
  border-radius: 15px;
  background: #fff;
  box-shadow:
    0 10px 30px rgba(0,0,0,.14),
    0 1px 2px rgba(0,0,0,.06);
}

.desktop-menu a {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 38px;
  padding: 0 13px;
  border-radius: 10px;
  color: #111;
  font-size: 13px;
  font-weight: 630;
  letter-spacing: -.022em;
  white-space: nowrap;
  transition:
    color 180ms ease,
    background-color 180ms ease,
    transform 220ms var(--ease-soft);
}

.desktop-menu a:hover {
  background: #f0f0ed;
  transform: translateY(-1px);
}

.desktop-menu a[aria-current="page"] {
  color: #fff;
  background: #0a0a0a;
}

.mobile-nav {
  display: none;
  position: fixed;
  z-index: 999;
  right: calc(18px + env(safe-area-inset-right));
  bottom: calc(18px + env(safe-area-inset-bottom));
  opacity: 0;
  transform: translate3d(0, 10px, 0);
  animation: control-in 620ms var(--ease-out) 780ms forwards;
}

.mobile-menu-panel {
  position: absolute;
  right: 0;
  bottom: 56px;
  width: min(
    310px,
    calc(100vw - 28px - env(safe-area-inset-left) - env(safe-area-inset-right))
  );
  max-height: min(70svh,430px);
  overflow-y: auto;
  padding: 7px;
  border: 1px solid rgba(10,10,10,.08);
  border-radius: 18px;
  background: #fff;
  box-shadow:
    0 20px 48px rgba(0,0,0,.22),
    0 1px 2px rgba(0,0,0,.05);
  opacity: 0;
  visibility: hidden;
  transform: translate3d(0, 10px, 0) scale(.985);
  transform-origin: right bottom;
  transition:
    opacity 180ms ease,
    visibility 180ms,
    transform 260ms var(--ease-out);
}

.mobile-menu-panel nav {
  display: grid;
  gap: 3px;
}

.mobile-menu-panel a {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 48px;
  padding: 0 14px;
  border-radius: 12px;
  color: #111;
  font-size: 15px;
  font-weight: 640;
  letter-spacing: -.025em;
  touch-action: manipulation;
  -webkit-tap-highlight-color: transparent;
}

.mobile-menu-panel .menu-arrow {
  opacity: .34;
  transform: translate3d(-3px, 3px, 0);
  transition:
    opacity 160ms ease,
    transform 180ms var(--ease-soft);
}

.mobile-menu-panel a:active,
.mobile-menu-panel a.is-selected,
.mobile-menu-panel a[aria-current="page"] {
  color: #fff;
  background: #0a0a0a;
}

.mobile-menu-panel a:active .menu-arrow,
.mobile-menu-panel a.is-selected .menu-arrow,
.mobile-menu-panel a[aria-current="page"] .menu-arrow {
  opacity: 1;
  transform: translate3d(0, 0, 0);
}

.hamburger-button {
  position: relative;
  display: block;
  width: 48px;
  height: 48px;
  background: transparent;
  color: #fff;
  cursor: pointer;
  touch-action: manipulation;
  -webkit-tap-highlight-color: transparent;
}

.hamburger-line {
  position: absolute;
  left: 50%;
  width: 28px;
  height: 2px;
  border-radius: 999px;
  background: currentColor;
  transform: translateX(-50%);
  box-shadow: 0 1px 5px rgba(0,0,0,.48);
  transition:
    top 270ms var(--ease-out),
    transform 270ms var(--ease-out),
    opacity 160ms ease;
}

.hamburger-line:nth-child(1) { top: 15px; }
.hamburger-line:nth-child(2) { top: 23px; }
.hamburger-line:nth-child(3) { top: 31px; }

.mobile-nav.is-open .mobile-menu-panel {
  opacity: 1;
  visibility: visible;
  transform: translate3d(0, 0, 0) scale(1);
}

.mobile-nav.is-open .hamburger-line:nth-child(1) {
  top: 23px;
  transform: translateX(-50%) rotate(45deg);
}

.mobile-nav.is-open .hamburger-line:nth-child(2) {
  opacity: 0;
}

.mobile-nav.is-open .hamburger-line:nth-child(3) {
  top: 23px;
  transform: translateX(-50%) rotate(-45deg);
}

@media (hover: hover) and (pointer: fine) {
  .mobile-menu-panel a:hover {
    background: #f0f0ed;
  }

  .mobile-menu-panel a[aria-current="page"]:hover,
  .mobile-menu-panel a.is-selected:hover {
    color: #fff;
    background: #0a0a0a;
  }
}

/* =========================================================
   ANIMATIONS
   ========================================================= */

@keyframes hero-photo-in {
  0% {
    opacity: .52;
    transform: scale(1.075);
    filter: saturate(.72) contrast(.93) brightness(.70) blur(3px);
  }

  100% {
    opacity: 1;
    transform: scale(1.025);
    filter: saturate(.94) contrast(1) brightness(.92) blur(0);
  }
}

@keyframes word-reveal {
  0% {
    opacity: 0;
    filter: blur(9px);
    transform: translate3d(0, .82em, 0);
  }

  62% {
    opacity: 1;
  }

  100% {
    opacity: 1;
    filter: blur(0);
    transform: translate3d(0, 0, 0);
  }
}

@keyframes control-in {
  from {
    opacity: 0;
    transform: translate3d(0, 12px, 0);
  }

  to {
    opacity: 1;
    transform: translate3d(0, 0, 0);
  }
}

@keyframes reduced-word-reveal {
  from { opacity: 0; }
  to { opacity: 1; }
}

/* =========================================================
   RESPONSIVE
   ========================================================= */

@media (max-width: 820px) {
  :root {
    --page-gap: 10px;
    --radius: 20px;
  }

  .hero-media-track {
    inset: -14px;
  }

  .hero-media-photo {
    background-image: var(--hero-mobile);
    background-position: center;
  }

  .hero-copy {
    left: 20px;
    right: 20px;
    bottom: 28px;
    width: auto;
    padding-right: 38px;
  }

  .hero-statement {
    max-width: 640px;
    font-size: clamp(27px, 8.15vw, 44px);
    line-height: 1.02;
    letter-spacing: -.047em;
  }

  .linkedin {
    top: 20px;
    left: 20px;
    width: 40px;
    height: 40px;
  }

  .desktop-menu-wrap {
    display: none;
  }

  .mobile-nav {
    display: block;
  }
}

@media (max-width: 390px) {
  .hero-copy {
    left: 17px;
    right: 17px;
    bottom: 22px;
    padding-right: 30px;
  }

  .hero-statement {
    font-size: clamp(25px, 7.8vw, 34px);
  }

  .linkedin {
    top: 17px;
    left: 17px;
  }

  .mobile-nav {
    right: calc(14px + env(safe-area-inset-right));
    bottom: calc(14px + env(safe-area-inset-bottom));
  }

  .mobile-menu-panel {
    width: min(292px, calc(100vw - 28px));
  }
}

/* =========================================================
   REDUCED MOTION
   Ana metin görünmeye devam eder; vestibüler hareket azaltılır.
   ========================================================= */

@media (prefers-reduced-motion: reduce) {
  .hero-media-photo {
    animation: none;
    transform: scale(1.025);
    filter: saturate(.94) contrast(1) brightness(.92);
  }


  .word {
    filter: none;
    transform: none;
    animation-name: reduced-word-reveal;
    animation-duration: 520ms;
    animation-timing-function: ease;
  }

  .linkedin,
  .desktop-menu-wrap,
  .mobile-nav {
    animation-duration: 380ms;
  }
}

/* =========================================================
   ACCESSIBILITY
   ========================================================= */

:focus-visible {
  outline: 3px solid #fff;
  outline-offset: 4px;
}

.desktop-menu :focus-visible,
.mobile-menu-panel :focus-visible {
  outline-color: #111;
}

.linkedin:focus-visible {
  outline-color: #111;
}