/* ==========================================================================
   NET FİLTRE — Basınçlı Tarım Sulama Sistemi
   Marka renkleri: RAL 8029 (bakır kahve), RAL 9022 (sedef gri),
                   logo mavisi (damla) ve krem.
   ========================================================================== */

/* --- 1. Tokenlar ---------------------------------------------------------- */
:root {
  /* Marka */
  --copper:      #7f4031;   /* RAL 8029 — logodan */
  --copper-dark: #5f2f24;
  --copper-mid:  #9e5541;
  --copper-soft: #f5eae4;

  --steel:       #858583;   /* RAL 9022 — logodan */
  --steel-dark:  #5f625f;
  --steel-soft:  #ececeb;

  --water:       #007bc1;   /* logo damlası */
  --water-dark:  #00639c;
  --water-soft:  #e5f1f9;

  --cream:       #e6d2b5;

  /* Yüzeyler — RAL 8029'a çekilmiş sıcak bakır tema */
  --ink:      #3a1c12;
  --ink-2:    #4b2a1d;
  --body:     #63483c;
  --line:     #e6d5c7;
  --surface:  #ffffff;
  --sand:     #f6ece3;
  --sand-2:   #fbf5ee;

  /* RAL 8029 "pearl copper" dokusu — dönel fırça izi + parlama.
     Çok katmanlı bir arka plan listesi; var() ile olduğu gibi kullanılır. */
  --metal-doku:
    repeating-conic-gradient(from 0deg at 50% 48%,
      rgba(255, 255, 255, .11) 0deg .6deg, rgba(0, 0, 0, .11) .6deg 1.2deg),
    radial-gradient(120% 85% at 50% 48%, rgba(255, 214, 172, .66), transparent 52%),
    conic-gradient(from 200deg at 50% 48%,
      #4f2417, #a85735, #7f4031, #d07b42, #7f4031, #a85735, #4f2417);

  /* Yazının durduğu tarafı karartan perde — okunurluk için */
  --metal-perde: linear-gradient(100deg,
    rgba(42, 20, 13, .70) 0%, rgba(42, 20, 13, .38) 42%,
    rgba(42, 20, 13, .08) 72%, transparent 100%);
  --metal-perde-duz: linear-gradient(rgba(42, 20, 13, .52), rgba(42, 20, 13, .52));
  --metal-perde-koyu: linear-gradient(rgba(42, 20, 13, .76), rgba(42, 20, 13, .76));
  --metal-perde-orta: linear-gradient(rgba(42, 20, 13, .62), rgba(42, 20, 13, .62));

  /* Tipografi */
  --font-head: "Archivo", "Helvetica Neue", Arial, sans-serif;
  --font-body: "Inter", "Helvetica Neue", Arial, sans-serif;

  /* Ölçü */
  --wrap: 1200px;
  --gutter: clamp(20px, 5vw, 48px);
  --radius: 6px;
  --radius-lg: 10px;

  --shadow-sm: 0 1px 2px rgba(36, 22, 16, .06), 0 6px 16px rgba(36, 22, 16, .05);
  --shadow-md: 0 10px 30px rgba(36, 22, 16, .10), 0 2px 6px rgba(36, 22, 16, .05);
  --shadow-lg: 0 28px 64px rgba(36, 22, 16, .18);

  --ease: cubic-bezier(.22, .61, .36, 1);
}

/* --- 2. Sıfırlama --------------------------------------------------------- */
*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: var(--font-body);
  font-size: 17px;
  line-height: 1.65;
  color: var(--body);
  background: var(--surface);
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

img, svg { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
button { font: inherit; cursor: pointer; }
ul { margin: 0; padding: 0; list-style: none; }

h1, h2, h3, h4 {
  font-family: var(--font-head);
  color: var(--ink);
  line-height: 1.12;
  letter-spacing: -.015em;
  margin: 0 0 .5em;
  font-weight: 700;
}
h1 { font-size: clamp(2.3rem, 4.8vw, 3.7rem); font-weight: 800; }
h2 { font-size: clamp(1.85rem, 3.4vw, 2.7rem); font-weight: 800; }
h3 { font-size: clamp(1.1rem, 1.6vw, 1.3rem); }
p  { margin: 0 0 1.1em; }

/* --- 3. Yardımcılar ------------------------------------------------------- */
.wrap { width: 100%; max-width: var(--wrap); margin-inline: auto; padding-inline: var(--gutter); }

.section { padding: clamp(60px, 8vw, 110px) 0; }
.section--sand { background: var(--sand); }
.section--ink {
  position: relative;
  background: var(--metal-perde-orta), var(--metal-doku), var(--copper);
  color: #d0bcae;
}
.section--ink::before {
  content: "";
  position: absolute;
  inset: 0 0 auto 0;
  height: 5px;
  background: var(--metal-doku), var(--copper);
}
.section--ink h2, .section--ink h3 { color: var(--cream); }

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-head);
  font-size: .74rem;
  font-weight: 700;
  letter-spacing: .18em;
  text-transform: uppercase;
  color: var(--copper);
  margin-bottom: 16px;
}
.eyebrow::before { content: ""; width: 28px; height: 3px; background: var(--water); }
.section--ink .eyebrow { color: var(--cream); }

.section-head { max-width: 660px; margin-bottom: clamp(34px, 4.5vw, 56px); }
.section-head.is-center { margin-inline: auto; text-align: center; }
.section-head p { font-size: 1.05rem; margin-bottom: 0; }
.lead { font-size: clamp(1.05rem, 1.5vw, 1.18rem); }

/* Butonlar */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 15px 28px;
  border: 2px solid transparent;
  border-radius: var(--radius);
  font-family: var(--font-head);
  font-weight: 700;
  font-size: .93rem;
  letter-spacing: .01em;
  white-space: nowrap;
  transition: transform .25s var(--ease), background-color .25s var(--ease),
              border-color .25s var(--ease), color .25s var(--ease);
}
.btn:hover { transform: translateY(-2px); }
.btn:active { transform: translateY(0); }

.btn--primary { background: var(--copper); color: var(--cream); }
.btn--primary:hover { background: var(--copper-dark); }

.btn--water { background: var(--water); color: #fff; }
.btn--water:hover { background: var(--water-dark); }

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

.btn--light { background: var(--cream); color: var(--copper-dark); }
.btn--light:hover { background: #fff; }

.btn--outline-light { border-color: rgba(230, 210, 181, .4); color: var(--cream); }
.btn--outline-light:hover { border-color: var(--cream); background: rgba(230, 210, 181, .1); }

.btn .ico { width: 18px; height: 18px; }

/* --- 4. Logo -------------------------------------------------------------- */
.logo { position: relative; display: inline-block; }
.logo img {
  display: block;
  width: clamp(150px, 15vw, 186px);
  height: auto;
  transition: width .3s var(--ease);
}
.header.is-small .logo img { width: clamp(122px, 12vw, 148px); }
.footer .logo img { width: 210px; }

/* Damlalar ayrı vektör katmanda: yazı PNG, damlalar SVG.
   Konum yüzdeyle verildiği için logo küçülünce damlalar da birlikte küçülür. */
.logo__damlalar {
  position: absolute;
  overflow: visible;
  pointer-events: none;
}
.dml { fill: var(--water); }

/* Büyük damlanın ucunda birikip düşen damla — 3 saniyede bir */
.dml-dusen {
  fill: var(--water);
  opacity: 0;
  transform-box: fill-box;
  transform-origin: center;
  animation: logo-damla 3s linear infinite;
}
@keyframes logo-damla {
  0%   { opacity: 0;   transform: translateY(-7px) scale(.72); }
  12%  { opacity: 1;   transform: translateY(-3px) scale(.92); }
  22%  { opacity: 1;   transform: translateY(0)    scale(1); }
  55%  { opacity: .95; transform: translateY(18px) scale(.94); }
  70%  { opacity: 0;   transform: translateY(27px) scale(.68); }
  100% { opacity: 0;   transform: translateY(27px) scale(.68); }
}
}

/* --- 5. Üst menü ---------------------------------------------------------- */
.topbar {
  background: var(--ink);
  color: var(--steel);
  font-size: .82rem;
}
.topbar__in {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 20px;
  height: 38px;
}
.topbar a { color: var(--cream); transition: color .2s var(--ease); }
.topbar a:hover { color: var(--water); }
.topbar__meta { display: flex; gap: 22px; align-items: center; }
.topbar__meta span { display: inline-flex; align-items: center; gap: 7px; }
.topbar svg { width: 14px; height: 14px; color: var(--water); }

.header {
  --header-h: 82px;
  position: sticky;
  top: 0;
  z-index: 60;
  background: rgba(255, 255, 255, .93);
  backdrop-filter: saturate(180%) blur(12px);
  border-bottom: 1px solid var(--line);
  transition: box-shadow .3s var(--ease);
}
.header.is-stuck { box-shadow: 0 6px 22px rgba(36, 22, 16, .09); }
.header.is-small { --header-h: 64px; }

.header__bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  height: var(--header-h);
  transition: height .3s var(--ease);
}

.nav { display: flex; align-items: center; gap: 2px; }
.nav a {
  position: relative;
  padding: 10px 13px;
  font-family: var(--font-head);
  font-size: .92rem;
  font-weight: 600;
  white-space: nowrap;
  color: var(--ink-2);
  transition: color .2s var(--ease);
}
.nav a::after {
  content: "";
  position: absolute;
  left: 13px; right: 13px; bottom: 2px;
  height: 2px;
  background: var(--water);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform .28s var(--ease);
}
.nav a:hover { color: var(--copper); }
.nav a:hover::after, .nav a.is-active::after { transform: scaleX(1); }
.nav a.is-active { color: var(--copper); }
.nav .btn--primary { display: none; }

.header__cta { display: flex; align-items: center; gap: 14px; }
.header__phone {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  font-family: var(--font-head);
  font-weight: 700;
  color: var(--ink);
  font-size: .95rem;
  white-space: nowrap;
}
.header__phone svg { width: 18px; height: 18px; color: var(--copper); }

.burger {
  display: none;
  width: 46px; height: 46px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: #fff;
  padding: 0;
  place-items: center;
}
.burger span {
  display: block;
  width: 19px; height: 2px;
  background: var(--ink);
  transition: transform .3s var(--ease), opacity .2s var(--ease);
}
.burger span + span { margin-top: 5px; }
body.nav-open .burger span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
body.nav-open .burger span:nth-child(2) { opacity: 0; }
body.nav-open .burger span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* --- 6. Hero -------------------------------------------------------------- */
.hero {
  position: relative;
  background: var(--sand-2);
  border-bottom: 1px solid var(--line);
  padding: clamp(48px, 6vw, 84px) 0 clamp(56px, 7vw, 96px);
  overflow: hidden;
}
.hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    radial-gradient(760px 520px at 8% 12%, rgba(122, 65, 49, .07), transparent 62%),
    radial-gradient(700px 560px at 92% 88%, rgba(27, 127, 196, .07), transparent 62%);
  pointer-events: none;
}
.hero__grid {
  position: relative;
  display: grid;
  grid-template-columns: 1.05fr .95fr;
  gap: clamp(32px, 5vw, 68px);
  align-items: center;
}
.hero h1 { margin-bottom: 20px; }
.hero h1 em { font-style: normal; color: var(--copper); }
.hero__text { max-width: 36ch; font-size: 1.1rem; }
.hero__actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 28px; }

.hero__badges {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 24px;
  margin-top: 32px;
  padding-top: 24px;
  border-top: 1px solid var(--line);
}
.hero__badges li {
  display: flex;
  align-items: center;
  gap: 9px;
  font-size: .9rem;
  font-weight: 600;
  color: var(--ink-2);
}
.hero__badges svg { width: 17px; height: 17px; color: var(--water); flex: none; }

/* Hero görsel yığını */
.hero__media { position: relative; }
.hero__shot {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
  aspect-ratio: 4 / 5;
  background: var(--steel-soft);
}
.hero__shot img { width: 100%; height: 100%; object-fit: cover; }
.hero__shot::after {
  content: "";
  position: absolute; inset: 0;
  background: linear-gradient(190deg, transparent 55%, rgba(36,22,16,.42));
}
.hero__tag {
  position: absolute;
  left: 20px; bottom: 20px;
  z-index: 2;
  color: var(--cream);
  font-family: var(--font-head);
  font-weight: 700;
  font-size: .95rem;
  letter-spacing: .01em;
  text-shadow: 0 1px 12px rgba(0,0,0,.5);
}
.hero__chip {
  position: absolute;
  right: -14px; top: 26px;
  z-index: 3;
  display: flex;
  align-items: center;
  gap: 12px;
  background: #fff;
  border-radius: var(--radius);
  padding: 14px 18px;
  box-shadow: var(--shadow-md);
  border-left: 4px solid var(--water);
}
.hero__chip strong {
  display: block;
  font-family: var(--font-head);
  font-size: 1.05rem;
  color: var(--ink);
  line-height: 1.1;
}
.hero__chip span { font-size: .82rem; }
.hero__chip svg { width: 26px; height: 26px; color: var(--water); flex: none; }

/* Rakamlar */
.stats {
  position: relative;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  border-top: 0;
  background: var(--metal-perde-duz), var(--metal-doku), var(--copper);
}
/* rakam şeridinin üstündeki ince metalik ayraç */
.stats::before {
  content: "";
  position: absolute;
  inset: 0 0 auto 0;
  height: 5px;
  background: var(--metal-doku), var(--copper);
}
.stat { padding: 30px 26px; border-right: 1px solid rgba(230, 210, 181, .16); }
.stat:last-child { border-right: 0; }
.stat__num {
  font-family: var(--font-head);
  font-size: clamp(1.8rem, 2.8vw, 2.4rem);
  font-weight: 800;
  color: var(--cream);
  line-height: 1;
}
.stat__num small { font-size: .5em; color: var(--water); margin-left: 3px; }
.stat__label { font-size: .88rem; margin-top: 8px; color: var(--steel); }

/* --- 7. Ürün kartları ----------------------------------------------------- */
.cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(290px, 1fr));
  gap: 24px;
}
.card {
  display: flex;
  flex-direction: column;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: transform .35s var(--ease), box-shadow .35s var(--ease);
}
.card:hover { transform: translateY(-5px); box-shadow: var(--shadow-md); }

.card__shot {
  position: relative;
  aspect-ratio: 4 / 3;
  overflow: hidden;
  background: var(--steel-soft);
}
.card__shot img {
  width: 100%; height: 100%;
  object-fit: cover;
  object-position: 50% 40%;
  transition: transform .7s var(--ease);
}
.card:hover .card__shot img { transform: scale(1.06); }
.card__no {
  position: absolute;
  left: 0; top: 0;
  background: var(--copper);
  color: var(--cream);
  font-family: var(--font-head);
  font-weight: 700;
  font-size: .72rem;
  letter-spacing: .12em;
  padding: 7px 12px;
}
.card__body { padding: 24px 24px 26px; display: flex; flex-direction: column; flex: 1; }
.card h3 { margin-bottom: 8px; }
.card p { font-size: .95rem; margin-bottom: 16px; }

.card__list { display: grid; gap: 7px; margin-bottom: 20px; }
.card__list li { position: relative; padding-left: 18px; font-size: .89rem; }
.card__list li::before {
  content: "";
  position: absolute;
  left: 0; top: .6em;
  width: 8px; height: 2px;
  background: var(--water);
}
.card__link {
  margin-top: auto;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-head);
  font-weight: 700;
  font-size: .88rem;
  color: var(--copper);
}
.card__link svg { width: 16px; height: 16px; transition: transform .3s var(--ease); }
.card:hover .card__link svg { transform: translateX(4px); }

/* --- 8. Üretim / neden biz ------------------------------------------------ */
.why__grid {
  display: grid;
  grid-template-columns: 1.02fr .98fr;
  gap: clamp(32px, 5vw, 64px);
  align-items: center;
}
.why__media { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
.why__media figure { margin: 0; border-radius: var(--radius-lg); overflow: hidden; box-shadow: var(--shadow-sm); }
.why__media img { width: 100%; height: 100%; object-fit: cover; aspect-ratio: 4 / 3; }
.why__media figure:first-child { grid-column: span 2; }

.feature-list { display: grid; gap: 4px; }
.feature { display: flex; gap: 18px; padding: 18px 0; border-bottom: 1px solid var(--line); }
.feature:last-child { border-bottom: 0; }
.feature__no {
  font-family: var(--font-head);
  font-weight: 800;
  font-size: .82rem;
  color: var(--copper);
  flex: none;
  padding-top: 3px;
}
.feature h3 { margin-bottom: 3px; font-size: 1.08rem; }
.feature p { font-size: .93rem; margin: 0; }

/* --- 9. Uygulama alanları ------------------------------------------------- */
.tiles { display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: 16px; }
.tile {
  position: relative;
  min-height: 250px;
  border-radius: var(--radius-lg);
  padding: 24px;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  color: var(--cream);
  overflow: hidden;
  isolation: isolate;
  background: linear-gradient(158deg, var(--tile-a, #7a4131), var(--tile-b, #241610));
}
.tile img {
  position: absolute; inset: 0;
  width: 100%; height: 100%;
  object-fit: cover;
  z-index: -2;
  transition: transform .7s var(--ease);
}
.tile::after {
  content: "";
  position: absolute; inset: 0;
  z-index: -1;
  background: linear-gradient(180deg, rgba(36,22,16,.15) 20%, rgba(36,22,16,.86));
}
.tile:hover img { transform: scale(1.07); }
.tile__ico { position: absolute; top: 22px; left: 24px; width: 30px; height: 30px; color: rgba(230,210,181,.65); }
.tile h3 { color: var(--cream); margin-bottom: 4px; font-size: 1.12rem; }
.tile p { font-size: .87rem; color: rgba(230,210,181,.8); margin: 0; }

/* --- 10. Süreç ------------------------------------------------------------ */
.steps {
  position: relative;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(215px, 1fr));
  gap: 24px;
  counter-reset: step;
}
.steps::before, .steps::after {
  content: "";
  position: absolute;
  top: 7px;
  left: 0;
  height: 3px;
}
.steps::before { right: 0; background: rgba(230, 210, 181, .16); }
.steps::after {
  width: 0;
  background: linear-gradient(90deg, var(--copper-mid), var(--water));
  transition: width 1.9s cubic-bezier(.4, 0, .2, 1);
}
.steps.is-flowing::after { width: 100%; }

.step { position: relative; padding-top: 36px; }
.step::after {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  width: 16px;
  height: 16px;
  border-radius: 50%;
  background: var(--ink);
  border: 3px solid rgba(230, 210, 181, .28);
  transform: scale(.55);
  opacity: .4;
  transition: transform .5s var(--ease), opacity .5s var(--ease), border-color .5s var(--ease);
}
.steps.is-flowing .step::after { transform: none; opacity: 1; border-color: var(--water); }
.steps.is-flowing .step:nth-child(2)::after { transition-delay: .45s; }
.steps.is-flowing .step:nth-child(3)::after { transition-delay: .9s; }
.steps.is-flowing .step:nth-child(4)::after { transition-delay: 1.35s; }
.step::before {
  counter-increment: step;
  content: "0" counter(step);
  font-family: var(--font-head);
  font-weight: 800;
  font-size: 2.3rem;
  color: var(--copper-mid);
  line-height: 1;
  display: block;
  margin-bottom: 10px;
}
.step h3 { font-size: 1.05rem; margin-bottom: 6px; }
.step p { font-size: .92rem; margin: 0; }

/* --- 11. Galeri ----------------------------------------------------------- */
.gallery { display: grid; grid-template-columns: repeat(4, 1fr); gap: 12px; }
.gallery figure { margin: 0; border-radius: var(--radius); overflow: hidden; background: var(--steel-soft); }
.gallery img {
  width: 100%; aspect-ratio: 4 / 3;
  object-fit: cover;
  transition: transform .6s var(--ease), filter .4s var(--ease);
  filter: saturate(.9);
}
.gallery figure:hover img { transform: scale(1.06); filter: saturate(1.05); }

/* --- 12. CTA -------------------------------------------------------------- */
.cta {
  position: relative;
  border-radius: var(--radius-lg);
  padding: clamp(36px, 5vw, 58px);
  background: var(--metal-perde), var(--metal-doku), var(--copper);
  color: var(--cream);
  overflow: hidden;
  display: grid;
  grid-template-columns: 1.4fr auto;
  gap: 28px;
  align-items: center;
}
.cta h2 { color: var(--cream); margin-bottom: 10px; }
.cta p { color: rgba(230,210,181,.86); margin: 0; max-width: 54ch; }
.cta__actions { display: flex; flex-wrap: wrap; gap: 12px; }
.cta__deco {
  position: absolute;
  right: -70px; top: -90px;
  width: 320px; height: 320px;
  border-radius: 50%;
  border: 40px solid rgba(230,210,181,.08);
  pointer-events: none;
}

/* --- 13. Footer ----------------------------------------------------------- */
.footer {
  position: relative;
  background: var(--metal-perde-koyu), var(--metal-doku), var(--copper);
  color: #b39c8f;
  padding: clamp(50px, 6vw, 76px) 0 0;
}
/* footer üstünde ince metalik ayraç */
.footer::before {
  content: "";
  position: absolute;
  inset: 0 0 auto 0;
  height: 5px;
  background: var(--metal-doku), var(--copper);
}
.footer__grid { display: grid; grid-template-columns: 1.6fr 1fr 1fr 1.2fr; gap: 40px; padding-bottom: 46px; }
.footer p { font-size: .92rem; }
.footer h4 {
  font-family: var(--font-head);
  color: var(--cream);
  font-size: .76rem;
  letter-spacing: .16em;
  text-transform: uppercase;
  margin-bottom: 18px;
}
.footer__links { display: grid; gap: 10px; }
.footer__links a { font-size: .93rem; transition: color .2s var(--ease); }
.footer__links a:hover { color: var(--water); }
.footer__contact li { display: flex; gap: 11px; font-size: .93rem; margin-bottom: 12px; }
.footer__contact svg { width: 17px; height: 17px; color: var(--water); flex: none; margin-top: 4px; }
.footer__bottom {
  border-top: 1px solid rgba(230,210,181,.1);
  padding: 20px 0 26px;
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 12px;
  font-size: .84rem;
}

/* --- 14. Animasyonlar ----------------------------------------------------- */
[data-reveal] {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity .8s var(--ease), transform .8s var(--ease);
  transition-delay: var(--delay, 0ms);
}
[data-reveal].is-visible { opacity: 1; transform: none; }

/* Perde açılması: görsel soldan sağa açılır (gölge kırpılmasın diye img üzerinde) */
[data-reveal="perde"] { opacity: 1; transform: none; }
[data-reveal="perde"] img {
  clip-path: inset(0 100% 0 0);
  transition: clip-path 1.05s cubic-bezier(.65, 0, .35, 1);
  transition-delay: var(--delay, 0ms);
}
[data-reveal="perde"].is-visible img { clip-path: inset(0 0 0 0); }

/* Kelime kelime başlık — yalnızca ana sayfa hero başlığında */
[data-reveal="kelime"] { opacity: 1; transform: none; }
.kelime {
  display: inline-block;
  overflow: hidden;
  vertical-align: bottom;
  padding-bottom: .14em;
  margin-bottom: -.14em;
}
.kelime > span {
  display: inline-block;
  transform: translateY(108%);
  transition: transform .85s cubic-bezier(.22, .9, .3, 1);
}
[data-reveal="kelime"].is-visible .kelime > span { transform: none; }
.kelime:nth-of-type(2) > span { transition-delay: .07s; }
.kelime:nth-of-type(3) > span { transition-delay: .14s; }
.kelime:nth-of-type(4) > span { transition-delay: .21s; }
.kelime:nth-of-type(5) > span { transition-delay: .28s; }
.kelime:nth-of-type(6) > span { transition-delay: .35s; }

/* Hero görselinde çok yavaş yakınlaşma */
.hero__shot.is-visible img { animation: kenburns 18s ease-out .6s forwards; }
@keyframes kenburns { to { transform: scale(1.1) translate(-1.5%, -1.5%); } }

.drop-anim { animation: dropfall 3s var(--ease) infinite; transform-origin: center; }
.drop-anim--b { animation-delay: .35s; }
.drop-anim--c { animation-delay: .7s; }
@keyframes dropfall {
  0%, 100% { opacity: .35; transform: translateY(0); }
  45%      { opacity: 1;   transform: translateY(2px); }
}

@media (prefers-reduced-motion: reduce) {
  * { animation: none !important; transition-duration: .01ms !important; }
  [data-reveal] { opacity: 1; transform: none; }
  [data-reveal="perde"] img { clip-path: none; }
  .kelime > span { transform: none; }
  .dml-dusen { animation: none; opacity: 0; }
  .steps.is-flowing::after { width: 100%; }
  html { scroll-behavior: auto; }
}

/* --- 15. Duyarlılık ------------------------------------------------------- */
@media (max-width: 1080px) {
  .hero__grid { grid-template-columns: 1fr; }
  .hero__media { max-width: 460px; margin-inline: auto; }
  .hero__text { max-width: 54ch; }
  .why__grid { grid-template-columns: 1fr; }
  .stats { grid-template-columns: repeat(2, 1fr); }
  .stat:nth-child(2) { border-right: 0; }
  .footer__grid { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 900px) {
  .burger { display: grid; }
  .header__phone, .header__cta .btn { display: none; }
  .topbar__meta span:first-child { display: none; }

  .nav {
    position: fixed;
    inset: var(--header-h) 0 auto 0;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    background: #fff;
    border-bottom: 1px solid var(--line);
    padding: 10px var(--gutter) 22px;
    box-shadow: var(--shadow-lg);
    transform: translateY(-10px);
    opacity: 0;
    visibility: hidden;
    transition: opacity .28s var(--ease), transform .28s var(--ease), visibility .28s;
  }
  body.nav-open .nav { opacity: 1; visibility: visible; transform: none; }
  .nav a { padding: 15px 4px; font-size: 1.05rem; border-bottom: 1px solid var(--line); }
  .nav a::after { display: none; }
  .nav .btn--primary { display: inline-flex; margin-top: 16px; border-bottom: 0; color: var(--cream); }
  .cta { grid-template-columns: 1fr; }
}

@media (max-width: 760px) {
  .gallery { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 560px) {
  body { font-size: 16px; }
  .stats { grid-template-columns: 1fr; }
  .stat { border-right: 0; border-bottom: 1px solid rgba(230,210,181,.12); }
  .footer__grid { grid-template-columns: 1fr; gap: 30px; }
  .btn { width: 100%; }
  .hero__actions .btn { flex: 1 1 170px; width: auto; }
  .hero__chip { right: 0; top: auto; bottom: -18px; }
  .topbar__in { justify-content: center; }
  .topbar__meta { gap: 16px; }
}

/* ==========================================================================
   16. Alt sayfalar
   ========================================================================== */

/* Menü açılır listesi */
.nav__item { position: relative; }
.nav__item > a { display: inline-flex; align-items: center; gap: 6px; }
.nav__item > a svg { width: 13px; height: 13px; transition: transform .25s var(--ease); }
.nav__item:hover > a svg { transform: rotate(180deg); }

.subnav {
  position: absolute;
  top: 100%; left: 0;
  min-width: 268px;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow-md);
  padding: 8px;
  opacity: 0;
  visibility: hidden;
  transform: translateY(-6px);
  transition: opacity .22s var(--ease), transform .22s var(--ease), visibility .22s;
}
.nav__item:hover .subnav,
.nav__item:focus-within .subnav { opacity: 1; visibility: visible; transform: none; }
.subnav a {
  display: block;
  padding: 10px 12px;
  border-radius: 4px;
  font-size: .9rem;
  font-weight: 600;
  white-space: nowrap;
}
.subnav a::after { display: none; }
.subnav a:hover { background: var(--copper-soft); color: var(--copper); }

/* Sayfa başlığı bandı */
.page-hero {
  position: relative;
  background: var(--metal-perde), var(--metal-doku), var(--copper);
  color: var(--cream);
  padding: clamp(48px, 6vw, 78px) 0 clamp(40px, 5vw, 62px);
  overflow: hidden;
}
.page-hero::after {
  content: "";
  position: absolute;
  right: -80px; top: -90px;
  width: 340px; height: 340px;
  border-radius: 50%;
  border: 44px solid rgba(255, 224, 190, .10);
  pointer-events: none;
}
.page-hero__in { position: relative; max-width: 720px; }
.page-hero h1 { color: var(--cream); font-size: clamp(2rem, 4vw, 3rem); margin-bottom: 14px; }
.page-hero p { color: rgba(230, 210, 181, .8); font-size: 1.05rem; margin: 0; max-width: 60ch; }
.page-hero p.page-hero__slogan {
  color: var(--cream);
  font-size: clamp(1.15rem, 1.8vw, 1.4rem);
  font-weight: 700;
  margin-bottom: 14px;
}

.crumbs {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  align-items: center;
  font-size: .82rem;
  color: var(--steel);
  margin-bottom: 16px;
}
.crumbs a { color: var(--steel); transition: color .2s var(--ease); }
.crumbs a:hover { color: var(--water); }
.crumbs span { color: rgba(230, 210, 181, .45); }

/* Metin blokları */
.prose { max-width: 68ch; }
.prose h3 { margin-top: 1.7em; }
.prose ul { display: grid; gap: 9px; margin: 0 0 1.3em; }
.prose ul li { position: relative; padding-left: 22px; }
.prose ul li::before {
  content: "";
  position: absolute;
  left: 0; top: .62em;
  width: 10px; height: 2px;
  background: var(--water);
}

/* İki sütunlu ürün detayı */
.detail {
  display: grid;
  grid-template-columns: 1.05fr .95fr;
  gap: clamp(30px, 4.5vw, 60px);
  align-items: start;
}
.detail__shot {
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-md);
  background: var(--steel-soft);
  position: sticky;
  top: 106px;
}
.detail__shot img { width: 100%; aspect-ratio: 4 / 3; object-fit: cover; }

/* Teknik tablo */
.spec {
  width: 100%;
  border-collapse: collapse;
  margin: 6px 0 26px;
  font-size: .93rem;
}
.spec caption {
  text-align: left;
  font-family: var(--font-head);
  font-weight: 700;
  color: var(--ink);
  font-size: 1.05rem;
  padding-bottom: 10px;
}
.spec th, .spec td { padding: 12px 14px; border-bottom: 1px solid var(--line); text-align: left; }
.spec th { width: 42%; font-weight: 600; color: var(--ink-2); background: var(--sand-2); }
.spec tr:last-child th, .spec tr:last-child td { border-bottom: 0; }

.note {
  border-left: 3px solid var(--water);
  background: var(--water-soft);
  padding: 16px 18px;
  border-radius: 0 var(--radius) var(--radius) 0;
  font-size: .93rem;
  margin: 0 0 24px;
}

/* Ürün alt gezinme */
.pager {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  padding-top: 26px;
  border-top: 1px solid var(--line);
  margin-top: 34px;
}
.pager a {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 11px 16px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  font-family: var(--font-head);
  font-weight: 600;
  font-size: .87rem;
  color: var(--ink-2);
  transition: border-color .25s var(--ease), color .25s var(--ease);
}
.pager a:hover { border-color: var(--copper); color: var(--copper); }

/* İletişim */
.contact { display: grid; grid-template-columns: .95fr 1.05fr; gap: clamp(30px, 4.5vw, 56px); align-items: start; }
.contact__card {
  background: var(--sand-2);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  padding: 28px;
}
.contact__list li { display: flex; gap: 14px; padding: 15px 0; border-bottom: 1px solid var(--line); }
.contact__list li:last-child { border-bottom: 0; }
.contact__list svg { width: 20px; height: 20px; color: var(--copper); flex: none; margin-top: 4px; }
.contact__list strong {
  display: block;
  font-family: var(--font-head);
  font-size: .78rem;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: var(--steel-dark);
  margin-bottom: 3px;
}
.contact__list a, .contact__list span { color: var(--ink); font-size: 1rem; }

.form { display: grid; gap: 16px; }
.form__row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.field { display: grid; gap: 7px; }
.field label {
  font-family: var(--font-head);
  font-size: .82rem;
  font-weight: 600;
  color: var(--ink-2);
}
.field input, .field select, .field textarea {
  font: inherit;
  font-size: .95rem;
  color: var(--ink);
  padding: 13px 14px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: #fff;
  transition: border-color .2s var(--ease), box-shadow .2s var(--ease);
}
.field input:focus, .field select:focus, .field textarea:focus {
  outline: none;
  border-color: var(--water);
  box-shadow: 0 0 0 3px rgba(27, 127, 196, .14);
}
.field textarea { resize: vertical; min-height: 130px; }
.form__hint { font-size: .84rem; color: var(--steel-dark); margin: 0; }
.form__durum {
  margin: 0;
  padding: 12px 16px;
  border-radius: var(--radius);
  font-size: .95rem;
  border: 1px solid var(--line);
}
.form__durum.is-ok { background: #eef5ec; border-color: #c4dcbf; color: #2f5a2a; }
.form__durum.is-hata { background: #fbeeea; border-color: #ecc8bd; color: #7f2f1d; }

.map {
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  overflow: hidden;
  background: var(--steel-soft);
  aspect-ratio: 4 / 3;
}
.map iframe { width: 100%; height: 100%; border: 0; display: block; }

@media (max-width: 1080px) {
  .detail { grid-template-columns: 1fr; }
  .detail__shot { position: static; max-width: 460px; }
  .contact { grid-template-columns: 1fr; }
}

@media (max-width: 900px) {
  .subnav {
    position: static;
    opacity: 1;
    visibility: visible;
    transform: none;
    border: 0;
    box-shadow: none;
    padding: 0 0 0 14px;
    min-width: 0;
  }
  .nav__item > a svg { display: none; }
  .subnav a { border-bottom: 1px solid var(--line); border-radius: 0; font-size: .95rem; padding: 12px 4px; }
}

@media (max-width: 560px) {
  .form__row { grid-template-columns: 1fr; }
}


/* ==========================================================================
   17. Galeri büyütme (lightbox)
   ========================================================================== */
.gallery img { cursor: zoom-in; }
.gallery figure:focus-visible { outline: 3px solid var(--water); outline-offset: 3px; }

.lightbox {
  position: fixed;
  inset: 0;
  z-index: 200;
  display: grid;
  place-items: center;
  padding: clamp(16px, 4vw, 48px);
  background: rgba(20, 12, 8, .93);
  opacity: 0;
  visibility: hidden;
  transition: opacity .3s var(--ease), visibility .3s;
}
.lightbox.is-open { opacity: 1; visibility: visible; }

.lightbox__img {
  max-width: min(1000px, 92vw);
  max-height: 84vh;
  border-radius: var(--radius);
  transform: scale(.95);
  transition: transform .35s var(--ease), opacity .2s var(--ease);
  box-shadow: 0 30px 80px rgba(0, 0, 0, .5);
}
.lightbox.is-open .lightbox__img { transform: none; }
.lightbox__img.is-swapping { opacity: 0; }

.lightbox__btn {
  position: absolute;
  display: grid;
  place-items: center;
  width: 48px;
  height: 48px;
  border-radius: 50%;
  border: 1px solid rgba(230, 210, 181, .32);
  background: rgba(36, 22, 16, .55);
  color: var(--cream);
  transition: background-color .2s var(--ease), border-color .2s var(--ease), transform .2s var(--ease);
}
.lightbox__btn:hover { background: var(--copper); border-color: var(--copper); transform: scale(1.06); }
.lightbox__btn svg { width: 22px; height: 22px; }
.lightbox__close { top: clamp(14px, 3vw, 28px); right: clamp(14px, 3vw, 28px); }
.lightbox__prev { left: clamp(10px, 2.5vw, 28px); top: 50%; margin-top: -24px; }
.lightbox__next { right: clamp(10px, 2.5vw, 28px); top: 50%; margin-top: -24px; }

.lightbox__count {
  position: absolute;
  bottom: clamp(14px, 3vw, 26px);
  left: 50%;
  transform: translateX(-50%);
  font-family: var(--font-head);
  font-size: .82rem;
  font-weight: 600;
  letter-spacing: .06em;
  color: rgba(230, 210, 181, .75);
}

/* ==========================================================================
   18. Yukarı çık butonu
   ========================================================================== */
.to-top {
  position: fixed;
  right: clamp(16px, 3vw, 30px);
  bottom: clamp(16px, 3vw, 30px);
  z-index: 55;
  width: 48px;
  height: 48px;
  display: grid;
  place-items: center;
  border: 0;
  border-radius: 50%;
  background: var(--copper);
  color: var(--cream);
  box-shadow: var(--shadow-md);
  opacity: 0;
  visibility: hidden;
  transform: translateY(14px) scale(.85);
  transition: opacity .3s var(--ease), transform .3s var(--ease),
              visibility .3s, background-color .25s var(--ease);
}
.to-top.is-visible { opacity: 1; visibility: visible; transform: none; }
.to-top:hover { background: var(--copper-dark); }
.to-top svg { width: 21px; height: 21px; }

@media (max-width: 560px) {
  .lightbox__prev, .lightbox__next { top: auto; bottom: 16px; margin-top: 0; width: 44px; height: 44px; }
  .lightbox__prev { left: 20%; }
  .lightbox__next { right: 20%; }
  .lightbox__count { bottom: 74px; }
}