/* =========================================================================
   TİKİNTİ — Architecture & Construction Studio
   Premium minimalist design system (vanilla CSS, no frameworks)
   ------------------------------------------------------------------------
   Bölmələr:
   1. Design Tokens (rənglər, şriftlər, ölçülər)  -> kolayca dəyişdir
   2. Reset / Base
   3. Tipoqrafiya
   4. Layout / Container / Grid
   5. Buttons
   6. Navbar
   7. Hero
   8. Sections (slider, stats, services, projects, cta, faq)
   9. Cards
   10. Footer
   11. Forms (contact)
   12. Blog
   13. Animations (scroll-reveal)
   14. Responsive (tablet / mobile)
   ========================================================================= */

/* ============================ 1. DESIGN TOKENS ========================== */
:root {
  /* --- Rənglər (buradan dəyiş) --- */
  --color-bg:        #FFFFFF;   /* əsas fon */
  --color-bg-soft:   #F5F4F1;   /* açıq boz bölmə fonu */
  --color-text:      #1A1A1A;   /* tünd mətn / başlıqlar */
  --color-text-soft: #525252;   /* ikincil mətn */
  --color-text-mute: #8A8A8A;   /* solğun mətn (label, kiçik) */
  --color-line:      #E5E3DE;   /* incə xətt / border */
  --color-accent:    #0E1116;   /* qara düymə / accent */
  --color-accent-fg: #FFFFFF;   /* düymə üzərindəki mətn */

  /* --- Tipoqrafiya --- */
  --font-base: 'Inter', system-ui, -apple-system, 'Segoe UI', sans-serif;

  /* Axıcı (responsive) başlıq ölçüləri: clamp(min, fluid, max) */
  --fs-display: clamp(2.75rem, 7vw, 6.5rem);   /* nəhəng hero başlıq */
  --fs-h1:      clamp(2.25rem, 5vw, 4rem);
  --fs-h2:      clamp(1.75rem, 3.5vw, 3rem);
  --fs-h3:      clamp(1.25rem, 2vw, 1.6rem);
  --fs-body:    1.0625rem;     /* 17px */
  --fs-small:   0.875rem;      /* 14px */
  --fs-label:   0.75rem;       /* 12px — uppercase label */

  /* --- Boşluqlar / radius --- */
  --space-section: clamp(4.5rem, 9vw, 9rem); /* bölmələr arası şaquli boşluq */
  --container:     1280px;     /* maksimum eni */
  --gutter:        clamp(1.25rem, 4vw, 3rem); /* yan boşluq */
  --radius-pill:   100px;
  --radius-lg:     22px;
  --radius-md:     14px;

  /* --- Animasiya --- */
  --ease: cubic-bezier(0.22, 1, 0.36, 1);
  --dur:  0.5s;
}

/* ============================ 2. RESET / BASE ========================== */
*, *::before, *::after { box-sizing: border-box; }

* { margin: 0; padding: 0; }

html {
  scroll-behavior: smooth;            /* smooth scroll */
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: var(--font-base);
  font-size: var(--fs-body);
  line-height: 1.65;
  color: var(--color-text-soft);
  background: var(--color-bg);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  overflow-x: hidden;
}

img { max-width: 100%; display: block; }
a   { color: inherit; text-decoration: none; }
ul, ol { list-style: none; }
button { font-family: inherit; cursor: pointer; border: none; background: none; }
input, textarea, select { font-family: inherit; font-size: inherit; }

::selection { background: var(--color-accent); color: #fff; }

/* ============================ 3. TİPOQRAFİYA ========================== */
h1, h2, h3, h4 {
  color: var(--color-text);
  font-weight: 600;
  line-height: 1.05;
  letter-spacing: -0.02em;
}

.display {
  font-size: var(--fs-display);
  font-weight: 700;
  line-height: 0.95;
  letter-spacing: -0.04em;
  text-transform: none;
}

h1 { font-size: var(--fs-h1); }
h2 { font-size: var(--fs-h2); }
h3 { font-size: var(--fs-h3); }

p { max-width: 60ch; }

/* Kiçik uppercase etiket (məs: "OUR SERVICES") */
.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-size: var(--fs-label);
  font-weight: 500;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--color-text-mute);
}
.eyebrow::before {
  content: "";
  width: 28px; height: 1px;
  background: var(--color-text-mute);
}

.text-soft  { color: var(--color-text-soft); }
.text-mute  { color: var(--color-text-mute); }
.lead { font-size: clamp(1.1rem, 1.6vw, 1.4rem); color: var(--color-text-soft); line-height: 1.55; }

/* ============================ 4. LAYOUT ========================== */
.container {
  width: 100%;
  max-width: var(--container);
  margin-inline: auto;
  padding-inline: var(--gutter);
}

.section { padding-block: var(--space-section); }
.section--soft { background: var(--color-bg-soft); }
.section--dark { background: var(--color-accent); color: #cfcfcf; }
.section--dark h1, .section--dark h2, .section--dark h3 { color: #fff; }
.section--dark .eyebrow { color: #8d8d8d; }
.section--dark .eyebrow::before { background: #8d8d8d; }

.section-head {
  display: flex;
  flex-wrap: wrap;
  align-items: flex-end;
  justify-content: space-between;
  gap: 1.5rem;
  margin-bottom: clamp(2.5rem, 5vw, 4rem);
}
.section-head .head-text { max-width: 38ch; }
.section-head h2 { margin-top: 0.9rem; }

.grid { display: grid; gap: clamp(1.25rem, 2.5vw, 2rem); }
.grid-2 { grid-template-columns: repeat(2, 1fr); }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-4 { grid-template-columns: repeat(4, 1fr); }

.divider { height: 1px; background: var(--color-line); border: 0; }

/* ============================ 5. BUTTONS ========================== */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  padding: 0.95rem 1.6rem;
  border-radius: var(--radius-pill);
  font-size: var(--fs-small);
  font-weight: 500;
  letter-spacing: 0.01em;
  transition: transform var(--dur) var(--ease), background var(--dur) var(--ease), color var(--dur) var(--ease), border-color var(--dur) var(--ease);
  white-space: nowrap;
}
.btn .arrow { transition: transform var(--dur) var(--ease); }
.btn:hover .arrow { transform: translate(3px, -3px); }

/* Əsas qara düymə */
.btn--dark {
  background: var(--color-accent);
  color: var(--color-accent-fg);
}
.btn--dark:hover { transform: translateY(-2px); }

/* Açıq / outline düymə */
.btn--ghost {
  background: transparent;
  color: var(--color-text);
  border: 1px solid var(--color-line);
}
.btn--ghost:hover { background: var(--color-text); color: #fff; border-color: var(--color-text); }

/* Ağ düymə (qara fon üçün) */
.btn--light {
  background: #fff;
  color: var(--color-accent);
}
.btn--light:hover { transform: translateY(-2px); }

.btn--lg { padding: 1.1rem 2rem; font-size: 1rem; }

/* Mətnli ox linki */
.link-arrow {
  display: inline-flex; align-items: center; gap: 0.4rem;
  font-size: var(--fs-small); font-weight: 500; color: var(--color-text);
}
.link-arrow .arrow { transition: transform var(--dur) var(--ease); }
.link-arrow:hover .arrow { transform: translate(3px, -3px); }

/* ============================ 6. NAVBAR ========================== */
.navbar {
  position: sticky; top: 0; z-index: 100;
  background: rgba(255,255,255,0.8);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-bottom: 1px solid transparent;
  transition: border-color var(--dur) var(--ease), background var(--dur) var(--ease);
}
.navbar.is-scrolled { border-bottom-color: var(--color-line); }

.nav-inner {
  display: flex; align-items: center; justify-content: space-between;
  height: 76px;
}
.logo {
  font-weight: 700; font-size: 1.35rem; letter-spacing: -0.03em;
  color: var(--color-text);
}
.logo span { color: var(--color-text-mute); }

.nav-links { display: flex; align-items: center; gap: 2.2rem; }
.nav-links a {
  position: relative;
  font-size: var(--fs-small); font-weight: 500; color: var(--color-text-soft);
  transition: color var(--dur) var(--ease);
}
.nav-links a::after {
  content: ""; position: absolute; left: 0; bottom: -6px;
  width: 0; height: 1.5px; background: var(--color-text);
  transition: width var(--dur) var(--ease);
}
.nav-links a:hover { color: var(--color-text); }
.nav-links a:hover::after,
.nav-links a.active::after { width: 100%; }
.nav-links a.active { color: var(--color-text); }

/* --- Dropdown (alt-menyu) --- */
.nav-item { position: relative; display: inline-flex; align-items: center; }
.nav-toggle {
  display: inline-flex; align-items: center; gap: 0.35rem;
  font-size: var(--fs-small); font-weight: 500; color: var(--color-text-soft);
  cursor: pointer;
}
.nav-toggle.active { color: var(--color-text); }
.nav-toggle .caret { transition: transform var(--dur) var(--ease); color: currentColor; }
.nav-item:hover .nav-toggle .caret,
.nav-item:focus-within .nav-toggle .caret { transform: rotate(180deg); }

.dropdown {
  position: absolute; top: 100%; left: 50%; transform: translate(-50%, 10px);
  min-width: 200px; padding: 0.6rem;
  background: #fff; border: 1px solid var(--color-line); border-radius: var(--radius-md);
  box-shadow: 0 24px 50px -28px rgba(0,0,0,0.28);
  display: flex; flex-direction: column; gap: 0.15rem;
  opacity: 0; visibility: hidden; pointer-events: none;
  transition: opacity var(--dur) var(--ease), transform var(--dur) var(--ease), visibility var(--dur);
  z-index: 110;
}
/* Üstünə gələndə açılır (boşluq olmadan keçid üçün üst pseudo) */
.nav-item::after { content: ""; position: absolute; top: 100%; left: 0; width: 100%; height: 14px; }
.nav-item:hover .dropdown,
.nav-item:focus-within .dropdown {
  opacity: 1; visibility: visible; pointer-events: auto; transform: translate(-50%, 0);
}
.dropdown a {
  padding: 0.7rem 0.9rem; border-radius: 10px;
  font-size: var(--fs-small); font-weight: 500; color: var(--color-text-soft);
  transition: background var(--dur) var(--ease), color var(--dur) var(--ease);
}
.dropdown a::after { display: none; }
.dropdown a:hover, .dropdown a.active { background: var(--color-bg-soft); color: var(--color-text); }

/* Mobil alt-menyu linkləri */
.mobile-menu .mobile-sub {
  font-size: 1.1rem; color: var(--color-text-soft); padding-left: 1.25rem;
}
.mobile-menu .mobile-sub::before { content: "— "; color: var(--color-text-mute); }

.nav-cta { display: flex; align-items: center; gap: 1rem; }

/* Hamburger */
.burger {
  display: none;
  width: 44px; height: 44px;
  flex-direction: column; justify-content: center; align-items: center; gap: 5px;
}
.burger span {
  width: 22px; height: 2px; background: var(--color-text);
  transition: transform var(--dur) var(--ease), opacity var(--dur) var(--ease);
}
.burger.is-open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.burger.is-open span:nth-child(2) { opacity: 0; }
.burger.is-open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* Mobil menyu paneli */
.mobile-menu {
  position: fixed; inset: 76px 0 auto 0;
  background: var(--color-bg);
  border-bottom: 1px solid var(--color-line);
  transform: translateY(-120%);
  transition: transform var(--dur) var(--ease);
  z-index: 99;
  padding: 1.5rem var(--gutter) 2.5rem;
  /* Çoxlu link kiçik ekrana sığmasa, menyu daxilində sürüşdürülsün */
  max-height: calc(100vh - 76px);
  overflow-y: auto;
}
.mobile-menu.is-open { transform: translateY(0); }
.mobile-menu a {
  display: block; padding: 1rem 0;
  font-size: 1.5rem; font-weight: 500; color: var(--color-text);
  border-bottom: 1px solid var(--color-line);
}
.mobile-menu .btn { margin-top: 1.5rem; width: 100%; justify-content: center; }

/* ============================ 7. HERO ========================== */
.hero {
  position: relative;
  min-height: calc(100vh - 76px);
  display: flex; align-items: flex-end;
  padding-block: clamp(3rem, 8vh, 7rem);
  overflow: hidden;
}
.hero-bg {
  position: absolute; inset: 0; z-index: -2;
  background: linear-gradient(180deg, #d9d6d0 0%, #c4c0b8 100%);
  /* Hero banner şəkli — öz şəklinlə əvəz et: url('images/hero.jpg') */
  background-image: url('https://images.unsplash.com/photo-1517935706615-2717063c2225?auto=format&fit=crop&w=2400&q=80');
  background-size: cover; background-position: center;
}
.hero-bg::after {           /* qatlama — banner görünür, mətn hər şəraitdə oxunur */
  content: ""; position: absolute; inset: 0;
  background:
    linear-gradient(0deg,  rgba(14,17,22,0.80) 0%, rgba(14,17,22,0.30) 42%, rgba(14,17,22,0) 72%),
    linear-gradient(90deg, rgba(14,17,22,0.55) 0%, rgba(14,17,22,0.10) 55%, rgba(14,17,22,0) 80%);
}
.hero-inner { width: 100%; }
/* Hero mətni ağ — banner üzərində (oxunaqlılıq üçün yüngül kölgə) */
.hero .eyebrow { color: rgba(255,255,255,0.9); }
.hero .eyebrow::before { background: rgba(255,255,255,0.9); }
.hero .display {
  max-width: 18ch; color: #fff;
  text-shadow: 0 2px 30px rgba(0,0,0,0.45);
}
.hero-sub {
  margin-top: 1.5rem; max-width: 46ch;
  font-size: clamp(1.05rem, 1.5vw, 1.25rem); color: rgba(255,255,255,0.92);
  text-shadow: 0 1px 16px rgba(0,0,0,0.5);
}
.hero-actions { margin-top: 2.5rem; display: flex; flex-wrap: wrap; gap: 1rem; align-items: center; }
/* Qara fon üzərində ağ ox-linki */
.link-arrow--light { color: #fff; }
.link-arrow--light:hover { color: rgba(255,255,255,0.8); }

/* --- Showcase (hero altı geniş şəkil + üzən badge) --- */
.showcase-media { position: relative; }
.showcase-media .img-ph { aspect-ratio: 21 / 9; border-radius: var(--radius-lg); }
.showcase-badge {
  position: absolute; left: clamp(1rem, 3vw, 2.5rem); bottom: clamp(1rem, 3vw, 2.5rem);
  background: #fff; border-radius: var(--radius-md);
  padding: 1.25rem 1.5rem; box-shadow: 0 30px 60px -30px rgba(0,0,0,0.4);
  display: flex; align-items: center; gap: 1.1rem; max-width: 80%;
}
.showcase-badge .num {
  font-size: clamp(2rem, 4vw, 3rem); font-weight: 700; letter-spacing: -0.04em;
  color: var(--color-text); line-height: 1;
}
.showcase-badge .txt { font-size: var(--fs-small); color: var(--color-text-soft); max-width: 20ch; }
@media (max-width: 600px) {
  .showcase-media .img-ph { aspect-ratio: 16 / 10; }
  .showcase-badge { position: static; max-width: none; margin-top: 1rem; box-shadow: none; padding: 1rem 0; }
}

/* Daxili səhifələrin başlıq hero-su */
.page-hero {
  padding-block: clamp(3.5rem, 8vw, 7rem) clamp(2.5rem, 5vw, 4rem);
}
.page-hero .display { max-width: 16ch; }
.page-hero .lead { margin-top: 1.5rem; }

/* Placeholder şəkil qutusu */
.img-ph {
  position: relative; overflow: hidden;
  background: var(--color-bg-soft);
  border-radius: var(--radius-lg);
  aspect-ratio: 4 / 3;
  display: grid; place-items: center;
  color: var(--color-text-mute);
  font-size: var(--fs-small);
}
.img-ph::after {
  content: "IMAGE"; letter-spacing: 0.25em; font-size: var(--fs-label);
}
/* Şəkil olanda "IMAGE" yazısını gizlət */
.img-ph:has(img)::after { display: none; }
.img-ph img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; }
.img-ph--tall { aspect-ratio: 3 / 4; }
.img-ph--wide { aspect-ratio: 16 / 9; }

/* ============================ 8. SECTIONS ========================== */

/* --- Slider / Carousel --- */
.slider { position: relative; }
.slider-track {
  display: flex;
  transition: transform 0.7s var(--ease);
}
.slide {
  flex: 0 0 100%;
  display: grid; grid-template-columns: 1.1fr 1fr; gap: clamp(1.5rem, 4vw, 4rem);
  align-items: center;
}
.slide .img-ph { aspect-ratio: 16 / 11; }
.slide h2 { margin-bottom: 1.2rem; }
.slider-controls {
  display: flex; align-items: center; gap: 1rem; margin-top: 2.5rem;
}
.slider-btn {
  width: 52px; height: 52px; border-radius: 50%;
  border: 1px solid var(--color-line);
  display: grid; place-items: center;
  font-size: 1.1rem; color: var(--color-text);
  transition: background var(--dur) var(--ease), color var(--dur) var(--ease);
}
.slider-btn:hover { background: var(--color-text); color: #fff; }
.slider-dots { display: flex; gap: 0.5rem; margin-left: auto; }
.slider-dots button {
  width: 8px; height: 8px; border-radius: 50%; background: var(--color-line);
  transition: background var(--dur) var(--ease), width var(--dur) var(--ease);
}
.slider-dots button.active { background: var(--color-text); width: 26px; border-radius: 4px; }

/* --- Stats / Sayğaclar --- */
.stats { display: grid; grid-template-columns: repeat(4, 1fr); gap: clamp(1.5rem,3vw,3rem); }
.stat .num {
  font-size: clamp(2.5rem, 5vw, 4rem); font-weight: 700;
  letter-spacing: -0.04em; color: var(--color-text); line-height: 1;
}
.stat .label { margin-top: 0.75rem; font-size: var(--fs-small); color: var(--color-text-soft); max-width: 22ch; }
/* Tünd bölmədə rəqəmlər ağ olsun (əks halda görünmür) */
.section--dark .stat .num { color: #fff; }
.section--dark .stat .label { color: #9a9a9a; }

/* --- Nömrələnmiş layihə siyahısı --- */
.numbered { border-top: 1px solid var(--color-line); }
.numbered li {
  display: grid; grid-template-columns: 80px 1fr auto; align-items: center; gap: 1.5rem;
  padding: clamp(1.5rem, 3vw, 2.25rem) 0;
  border-bottom: 1px solid var(--color-line);
  transition: padding-left var(--dur) var(--ease);
}
.numbered li:hover { padding-left: 1rem; }
.numbered .idx { font-size: var(--fs-small); color: var(--color-text-mute); }
.numbered .title { font-size: clamp(1.5rem, 3vw, 2.25rem); font-weight: 600; color: var(--color-text); letter-spacing: -0.02em; }
.numbered .meta { font-size: var(--fs-small); color: var(--color-text-soft); }

/* --- Xidmət siyahısı (sadə) --- */
.service-list { border-top: 1px solid var(--color-line); }
.service-list li {
  display: flex; align-items: center; justify-content: space-between; gap: 1rem;
  padding: 1.4rem 0; border-bottom: 1px solid var(--color-line);
  font-size: clamp(1.1rem,1.8vw,1.4rem); color: var(--color-text); font-weight: 500;
}
.service-list .plus { color: var(--color-text-mute); font-size: 1.3rem; }

/* --- CTA bölməsi --- */
.cta-band { text-align: center; }
.cta-band .display { margin-inline: auto; max-width: 18ch; }
.cta-band .btn { margin-top: 2.5rem; }

/* --- FAQ Accordion --- */
.accordion { border-top: 1px solid var(--color-line); }
.acc-item { border-bottom: 1px solid var(--color-line); }
.acc-trigger {
  width: 100%; text-align: left;
  display: flex; align-items: center; justify-content: space-between; gap: 1.5rem;
  padding: clamp(1.4rem, 3vw, 2rem) 0;
  font-size: clamp(1.15rem, 2vw, 1.6rem); font-weight: 500; color: var(--color-text);
  letter-spacing: -0.01em;
}
.acc-icon {
  flex: 0 0 auto; width: 38px; height: 38px; border-radius: 50%;
  border: 1px solid var(--color-line); position: relative;
  transition: background var(--dur) var(--ease);
}
.acc-icon::before, .acc-icon::after {
  content: ""; position: absolute; top: 50%; left: 50%; background: var(--color-text);
  transform: translate(-50%, -50%); transition: transform var(--dur) var(--ease), background var(--dur) var(--ease);
}
.acc-icon::before { width: 13px; height: 1.5px; }
.acc-icon::after  { width: 1.5px; height: 13px; }
.acc-item.is-open .acc-icon { background: var(--color-text); }
.acc-item.is-open .acc-icon::before,
.acc-item.is-open .acc-icon::after { background: #fff; }
.acc-item.is-open .acc-icon::after { transform: translate(-50%, -50%) scaleY(0); }
.acc-panel {
  overflow: hidden; max-height: 0;
  transition: max-height var(--dur) var(--ease);
}
.acc-panel-inner { padding-bottom: clamp(1.4rem, 3vw, 2rem); }
.acc-panel-inner p { max-width: 70ch; color: var(--color-text-soft); }

/* ============================ 9. CARDS ========================== */
.card {
  background: var(--color-bg);
  border: 1px solid var(--color-line);
  border-radius: var(--radius-lg);
  padding: clamp(1.5rem, 3vw, 2.25rem);
  transition: transform var(--dur) var(--ease), box-shadow var(--dur) var(--ease), border-color var(--dur) var(--ease);
  height: 100%;
}
.card:hover { transform: translateY(-6px); box-shadow: 0 24px 50px -30px rgba(0,0,0,0.25); border-color: transparent; }
.card .card-num { font-size: var(--fs-small); color: var(--color-text-mute); }
.card h3 { margin: 1rem 0 0.75rem; }
.card p { color: var(--color-text-soft); font-size: var(--fs-small); }
.card .card-icon {
  width: 52px; height: 52px; border-radius: 14px; background: var(--color-bg-soft);
  display: grid; place-items: center; font-size: 1.4rem; margin-bottom: 1.25rem;
}
.card .link-arrow { margin-top: 1.5rem; }

/* Şəkilli proyekt kartı */
.project-card { display: block; }
.project-card .img-ph { aspect-ratio: 4 / 5; margin-bottom: 1rem; transition: transform var(--dur) var(--ease); }
.project-card:hover .img-ph { transform: translateY(-6px); }
.project-card .row { display: flex; align-items: center; justify-content: space-between; gap: 1rem; }
.project-card h3 { margin: 0; font-size: var(--fs-h3); }
.project-card .tag { font-size: var(--fs-small); color: var(--color-text-mute); }

/* ============================ 10. FOOTER ========================== */
.footer {
  background: var(--color-accent); color: #9a9a9a;
  padding-top: clamp(4rem, 8vw, 7rem);
}
.footer h2 { color: #fff; max-width: 16ch; }
.footer-top {
  display: flex; flex-wrap: wrap; align-items: flex-end; justify-content: space-between;
  gap: 2rem; padding-bottom: clamp(3rem, 6vw, 5rem);
  border-bottom: 1px solid rgba(255,255,255,0.12);
}
.footer-cols {
  display: grid; grid-template-columns: 1.4fr 1fr 1fr 1fr; gap: 2rem;
  padding-block: clamp(3rem, 6vw, 4.5rem);
}
.footer-col h4 { color: #fff; font-size: var(--fs-small); font-weight: 600; margin-bottom: 1.25rem; letter-spacing: 0.04em; }
.footer-col .brand { font-size: 1.6rem; font-weight: 700; color: #fff; letter-spacing: -0.03em; }
.footer-col .brand span { color: #6f6f6f; }
.footer-col p { font-size: var(--fs-small); color: #9a9a9a; }
.footer-links li { margin-bottom: 0.75rem; }
.footer-links a { font-size: var(--fs-small); color: #b5b5b5; transition: color var(--dur) var(--ease); }
.footer-links a:hover { color: #fff; }
.footer-bottom {
  display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 1rem;
  padding-block: 2rem; border-top: 1px solid rgba(255,255,255,0.12);
  font-size: var(--fs-small); color: #7d7d7d;
}

/* ============================ 11. FORMS ========================== */
.contact-grid { display: grid; grid-template-columns: 0.9fr 1.1fr; gap: clamp(2rem, 5vw, 5rem); align-items: start; }
.info-block { margin-bottom: 2.5rem; }
.info-block .eyebrow { margin-bottom: 0.75rem; }
.info-block .big { font-size: clamp(1.25rem, 2.5vw, 1.75rem); color: var(--color-text); font-weight: 500; letter-spacing: -0.01em; }

/* Contact səhifəsində mətnləri bir az kiçilt */
.page-contact .page-hero .display { font-size: clamp(2.25rem, 4.5vw, 3.5rem); }
.page-contact .page-hero .lead    { font-size: clamp(1rem, 1.4vw, 1.15rem); }
.page-contact .info-block .big    { font-size: clamp(1.05rem, 1.8vw, 1.3rem); }

.form-row { margin-bottom: 1.5rem; }
.form-row.two { display: grid; grid-template-columns: 1fr 1fr; gap: 1.5rem; }
.form-field label {
  display: block; font-size: var(--fs-small); font-weight: 500; color: var(--color-text); margin-bottom: 0.5rem;
}
.form-field input, .form-field textarea {
  width: 100%; padding: 1rem 1.1rem;
  background: var(--color-bg-soft); border: 1px solid transparent; border-radius: var(--radius-md);
  color: var(--color-text); transition: border-color var(--dur) var(--ease), background var(--dur) var(--ease);
}
.form-field input::placeholder, .form-field textarea::placeholder { color: var(--color-text-mute); }
.form-field input:focus, .form-field textarea:focus {
  outline: none; border-color: var(--color-text); background: #fff;
}
.form-field textarea { resize: vertical; min-height: 140px; }
.form-field.has-error input, .form-field.has-error textarea { border-color: #d8533b; background: #fdf3f1; }
.field-error { display: none; color: #d8533b; font-size: var(--fs-small); margin-top: 0.4rem; }
.form-field.has-error .field-error { display: block; }

.check-row { display: flex; align-items: flex-start; gap: 0.7rem; margin: 0.5rem 0 1.75rem; }
.check-row input { margin-top: 0.25rem; width: 18px; height: 18px; accent-color: var(--color-accent); flex: 0 0 auto; }
.check-row label { font-size: var(--fs-small); color: var(--color-text-soft); }
.check-row a { color: var(--color-text); text-decoration: underline; }

/* Uğur mesajı (flash) */
.form-alert {
  display: none; align-items: center; gap: 0.75rem;
  padding: 1rem 1.25rem; border-radius: var(--radius-md);
  background: #eef6ef; color: #1f6b34; font-size: var(--fs-small); margin-bottom: 1.5rem;
}
.form-alert.is-visible { display: flex; }

/* ============================ 12. BLOG ========================== */
.blog-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: clamp(1.5rem, 3vw, 2.5rem); }
.blog-card .img-ph { aspect-ratio: 16/11; margin-bottom: 1.25rem; transition: transform var(--dur) var(--ease); }
.blog-card:hover .img-ph { transform: translateY(-6px); }
.blog-card .meta { display: flex; gap: 1rem; font-size: var(--fs-label); text-transform: uppercase; letter-spacing: 0.1em; color: var(--color-text-mute); margin-bottom: 0.75rem; }
.blog-card h3 { font-size: var(--fs-h3); margin-bottom: 0.6rem; }
.blog-card p { font-size: var(--fs-small); color: var(--color-text-soft); }

/* Tək yazı (article) */
.article { max-width: 760px; margin-inline: auto; }
.article .meta { display: flex; gap: 1rem; font-size: var(--fs-label); text-transform: uppercase; letter-spacing: 0.1em; color: var(--color-text-mute); margin-bottom: 1.25rem; }
.article h1 { margin-bottom: 1.5rem; }
.article .img-ph { margin: 2.5rem 0; aspect-ratio: 16/9; }
.article-body p { margin-bottom: 1.5rem; color: var(--color-text-soft); max-width: none; }
.article-body h2 { margin: 2.5rem 0 1rem; }
.article-body h3 { margin: 2rem 0 0.75rem; }
.article-body blockquote {
  margin: 2rem 0; padding-left: 1.5rem; border-left: 3px solid var(--color-text);
  font-size: 1.3rem; color: var(--color-text); font-style: italic;
}
.article-body ul { list-style: disc; padding-left: 1.25rem; margin-bottom: 1.5rem; }
.article-body li { margin-bottom: 0.5rem; }

/* ============================ 12b. LAYİHƏLƏR (PORTFEL) ========================== */
/* Filtr düymələri */
.filters { display: flex; flex-wrap: wrap; gap: 0.6rem; }
.filter-btn {
  padding: 0.6rem 1.25rem; border-radius: var(--radius-pill);
  border: 1px solid var(--color-line); background: transparent;
  font-size: var(--fs-small); font-weight: 500; color: var(--color-text-soft);
  transition: background var(--dur) var(--ease), color var(--dur) var(--ease), border-color var(--dur) var(--ease);
}
.filter-btn:hover { color: var(--color-text); border-color: var(--color-text); }
.filter-btn.active { background: var(--color-accent); color: #fff; border-color: var(--color-accent); }

/* Premium iş kartı — şəkil üzərində məlumat overlay */
.work-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: clamp(1.25rem, 2.5vw, 2rem); }
.work-card {
  position: relative; display: block; overflow: hidden;
  border-radius: var(--radius-lg); aspect-ratio: 4 / 5; background: var(--color-bg-soft);
}
.work-card.is-hidden { display: none; }
.work-card img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.8s var(--ease); }
.work-card:hover img { transform: scale(1.07); }
.work-card::after {
  content: ""; position: absolute; inset: 0;
  background: linear-gradient(180deg, rgba(14,17,22,0) 35%, rgba(14,17,22,0.85) 100%);
}
.work-info {
  position: absolute; left: 0; right: 0; bottom: 0; z-index: 1;
  padding: clamp(1.25rem, 2.5vw, 1.75rem); color: #fff;
  transform: translateY(8px); transition: transform var(--dur) var(--ease);
}
.work-card:hover .work-info { transform: translateY(0); }
.work-info .cat {
  font-size: var(--fs-label); letter-spacing: 0.16em; text-transform: uppercase;
  color: rgba(255,255,255,0.8);
}
.work-info h3 { color: #fff; margin: 0.5rem 0 0.35rem; font-size: var(--fs-h3); }
.work-info .loc { font-size: var(--fs-small); color: rgba(255,255,255,0.75); }
.work-card .work-arrow {
  position: absolute; top: clamp(1rem,2vw,1.5rem); right: clamp(1rem,2vw,1.5rem); z-index: 1;
  width: 44px; height: 44px; border-radius: 50%; background: rgba(255,255,255,0.15);
  backdrop-filter: blur(6px); display: grid; place-items: center; color: #fff;
  opacity: 0; transform: scale(0.8); transition: opacity var(--dur) var(--ease), transform var(--dur) var(--ease), background var(--dur) var(--ease);
}
.work-card:hover .work-arrow { opacity: 1; transform: scale(1); }
.work-card:hover .work-arrow { background: rgba(255,255,255,0.28); }

/* Böyük seçilmiş layihə */
.work-featured { position: relative; overflow: hidden; border-radius: var(--radius-lg); aspect-ratio: 21/9; display: block; }
.work-featured img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.9s var(--ease); }
.work-featured:hover img { transform: scale(1.05); }
.work-featured::after { content: ""; position: absolute; inset: 0; background: linear-gradient(90deg, rgba(14,17,22,0.7) 0%, rgba(14,17,22,0.1) 60%); }
.work-featured .work-info { max-width: 44ch; transform: none; }
.work-featured .work-info h3 { font-size: clamp(1.6rem, 3vw, 2.5rem); }

/* Müştəri / etibar bölməsi */
.clients-row {
  display: grid; grid-template-columns: repeat(5, 1fr); gap: 1rem;
  align-items: center; margin-top: 1rem;
}
.client-logo {
  display: grid; place-items: center; padding: 1.5rem 1rem;
  border: 1px solid rgba(255,255,255,0.14); border-radius: var(--radius-md);
  font-weight: 600; letter-spacing: 0.04em; color: #cfcfcf; font-size: 1.05rem;
  transition: border-color var(--dur) var(--ease), color var(--dur) var(--ease);
}
.client-logo:hover { color: #fff; border-color: rgba(255,255,255,0.4); }

/* Rəy (testimonial) */
.quote-lg {
  font-size: clamp(1.5rem, 3.5vw, 2.5rem); font-weight: 500; line-height: 1.3;
  letter-spacing: -0.02em; color: var(--color-text); max-width: 22ch;
}
.section--dark .quote-lg { color: #fff; }
.quote-author { margin-top: 1.5rem; font-size: var(--fs-small); color: var(--color-text-mute); }
.section--dark .quote-author { color: #9a9a9a; }

@media (max-width: 880px) {
  .work-grid { grid-template-columns: repeat(2, 1fr); }
  .clients-row { grid-template-columns: repeat(3, 1fr); }
}
@media (max-width: 600px) {
  .work-grid { grid-template-columns: 1fr; }
  .clients-row { grid-template-columns: repeat(2, 1fr); }
  .work-featured { aspect-ratio: 4/5; }
}

/* ============================ 12c. LAYİHƏ DETAL (CASE STUDY) ========================== */
/* Tam enli hero şəkli */
.detail-hero { position: relative; height: clamp(48vh, 70vh, 760px); overflow: hidden; display: flex; align-items: flex-end; }
.detail-hero img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; z-index: -2; }
.detail-hero::after { content: ""; position: absolute; inset: 0; z-index: -1; background: linear-gradient(0deg, rgba(14,17,22,0.8) 0%, rgba(14,17,22,0.05) 60%); }
.detail-hero .container { padding-bottom: clamp(2rem, 5vw, 4rem); color: #fff; }
.detail-hero .eyebrow { color: rgba(255,255,255,0.85); }
.detail-hero .eyebrow::before { background: rgba(255,255,255,0.85); }
.detail-hero h1 { color: #fff; max-width: 18ch; margin-top: 1rem; }
.detail-hero .loc { margin-top: 1rem; color: rgba(255,255,255,0.8); font-size: 1.1rem; }

/* Layihə məlumat lövhəsi */
.project-meta {
  display: grid; grid-template-columns: repeat(4, 1fr); gap: 1.5rem;
  border-top: 1px solid var(--color-line); padding-top: clamp(1.5rem, 3vw, 2.5rem);
}
.project-meta .k { font-size: var(--fs-label); text-transform: uppercase; letter-spacing: 0.14em; color: var(--color-text-mute); }
.project-meta .v { margin-top: 0.4rem; font-size: 1.1rem; font-weight: 500; color: var(--color-text); }

/* Tikinti mərhələləri (foundation → finish) */
.phase { display: grid; grid-template-columns: 1fr 1fr; gap: clamp(2rem, 5vw, 4.5rem); align-items: center; }
.phase + .phase { margin-top: clamp(3rem, 7vw, 6rem); }
.phase--rev .phase-media { order: 2; }
.phase-media .img-ph { aspect-ratio: 4 / 3; }
.phase-num { font-size: clamp(2.5rem, 5vw, 4rem); font-weight: 700; letter-spacing: -0.04em; color: #c9c6bf; line-height: 1; }
.phase-text h3 { font-size: var(--fs-h2); margin: 0.75rem 0 1rem; }
.phase-text p { color: var(--color-text-soft); }

/* Mərhələ axını (progress line) */
.flow { display: flex; flex-wrap: wrap; gap: 0.5rem 0; border-top: 1px solid var(--color-line); }
.flow .step {
  flex: 1 1 0; min-width: 120px; padding: 1.25rem 0; border-bottom: 2px solid var(--color-line);
  font-size: var(--fs-small); color: var(--color-text-soft); position: relative;
}
.flow .step span { display: block; font-size: var(--fs-label); color: var(--color-text-mute); margin-bottom: 0.3rem; }
.flow .step:hover { border-bottom-color: var(--color-accent); color: var(--color-text); }

@media (max-width: 880px) {
  .project-meta { grid-template-columns: repeat(2, 1fr); gap: 1.5rem; }
  .phase { grid-template-columns: 1fr; gap: 1.5rem; }
  .phase--rev .phase-media { order: -1; }
  .phase-media { order: -1; }
}
@media (max-width: 600px) { .project-meta { grid-template-columns: 1fr 1fr; } }

/* ============================ 12d. ƏVVƏL/SONRA + VİDEO ========================== */
/* Müqayisə slayderi */
.ba {
  --pos: 50%;
  position: relative; overflow: hidden; border-radius: var(--radius-lg);
  aspect-ratio: 16 / 10; user-select: none; touch-action: none;
  background: var(--color-bg-soft);
}
.ba img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; pointer-events: none; }
.ba-after  { z-index: 0; }                                   /* altda: hazır bina */
.ba-before { z-index: 1; clip-path: inset(0 calc(100% - var(--pos)) 0 0); } /* üstdə: kəsilmiş tikinti */

.ba-divider {
  position: absolute; top: 0; bottom: 0; left: var(--pos); z-index: 2;
  width: 2px; background: #fff; transform: translateX(-1px);
  box-shadow: 0 0 0 1px rgba(0,0,0,0.08); pointer-events: none;
}
.ba-handle {
  position: absolute; top: 50%; left: 50%; transform: translate(-50%, -50%);
  width: 48px; height: 48px; border-radius: 50%; background: #fff; color: var(--color-accent);
  display: grid; place-items: center; font-size: 1.1rem; font-weight: 700;
  box-shadow: 0 8px 24px rgba(0,0,0,0.28);
}
/* Şəffaf idarəetmə (siçan + toxunma + klaviatura) */
.ba-range {
  position: absolute; inset: 0; z-index: 3; width: 100%; height: 100%;
  margin: 0; opacity: 0; cursor: ew-resize; -webkit-appearance: none; appearance: none; background: transparent;
}
.ba-range::-webkit-slider-thumb { -webkit-appearance: none; width: 48px; height: 100%; cursor: ew-resize; }
.ba-range::-moz-range-thumb { width: 48px; height: 100%; border: 0; background: transparent; cursor: ew-resize; }
.ba-label {
  position: absolute; bottom: 1rem; z-index: 2;
  padding: 0.4rem 0.85rem; border-radius: var(--radius-pill);
  background: rgba(14,17,22,0.55); color: #fff; font-size: var(--fs-label);
  letter-spacing: 0.12em; text-transform: uppercase; backdrop-filter: blur(4px);
}
.ba-label--before { left: 1rem; }
.ba-label--after  { right: 1rem; }

/* Video / 360° tur */
.video-box {
  position: relative; overflow: hidden; border-radius: var(--radius-lg);
  aspect-ratio: 16 / 9; background: var(--color-accent); cursor: pointer;
}
.video-box > img { width: 100%; height: 100%; object-fit: cover; opacity: 0.78; }
.video-box::after { content: ""; position: absolute; inset: 0; background: rgba(14,17,22,0.25); }
.video-play {
  position: absolute; top: 50%; left: 50%; transform: translate(-50%, -50%); z-index: 1;
  width: clamp(72px, 9vw, 96px); height: clamp(72px, 9vw, 96px); border-radius: 50%;
  background: rgba(255,255,255,0.92); color: var(--color-accent);
  display: grid; place-items: center; padding-left: 6px; font-size: 1.6rem;
  transition: transform var(--dur) var(--ease), background var(--dur) var(--ease);
}
.video-box:hover .video-play { transform: translate(-50%, -50%) scale(1.08); background: #fff; }
.video-tag {
  position: absolute; left: 1.25rem; bottom: 1.25rem; z-index: 1;
  padding: 0.45rem 0.9rem; border-radius: var(--radius-pill);
  background: rgba(255,255,255,0.15); backdrop-filter: blur(6px);
  color: #fff; font-size: var(--fs-label); letter-spacing: 0.12em; text-transform: uppercase;
}
.video-frame { position: absolute; inset: 0; width: 100%; height: 100%; border: 0; z-index: 2; }
.pano-frame  { position: absolute; inset: 0; width: 100%; height: 100%; z-index: 2; }

/* ============================ 13. ANIMASYALAR ========================== */
/* Scroll-reveal: JS .is-visible əlavə edir */
[data-reveal] {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity 0.8s var(--ease), transform 0.8s var(--ease);
  will-change: opacity, transform;
}
[data-reveal].is-visible { opacity: 1; transform: none; }
/* Ardıcıl gecikmə (stagger) */
[data-reveal-delay="1"] { transition-delay: 0.08s; }
[data-reveal-delay="2"] { transition-delay: 0.16s; }
[data-reveal-delay="3"] { transition-delay: 0.24s; }
[data-reveal-delay="4"] { transition-delay: 0.32s; }

/* Hərəkəti azaltma seçimi olanlar üçün */
@media (prefers-reduced-motion: reduce) {
  * { animation: none !important; transition: none !important; scroll-behavior: auto !important; }
  [data-reveal] { opacity: 1; transform: none; }
}

/* ============================ 14. RESPONSIVE ========================== */
@media (max-width: 1024px) {
  .footer-cols { grid-template-columns: 1fr 1fr; gap: 2.5rem 2rem; }
  .grid-4 { grid-template-columns: repeat(2, 1fr); }
  /* Çoxlu menyu elementi sıxlaşmasın deyə hamburger 1024px-dən aktivdir */
  .nav-links, .nav-cta .btn { display: none; }
  .burger { display: flex; }
}

@media (max-width: 880px) {
  .slide { grid-template-columns: 1fr; }
  .slide .img-ph { order: -1; }

  .stats { grid-template-columns: repeat(2, 1fr); gap: 2.5rem 1.5rem; }
  .grid-3, .blog-grid { grid-template-columns: repeat(2, 1fr); }
  .contact-grid { grid-template-columns: 1fr; }
  .numbered li { grid-template-columns: 50px 1fr; }
  .numbered li .meta { display: none; }
}

@media (max-width: 600px) {
  .grid-2, .grid-3, .grid-4, .blog-grid { grid-template-columns: 1fr; }
  .stats { grid-template-columns: 1fr 1fr; }
  .form-row.two { grid-template-columns: 1fr; }
  .footer-cols { grid-template-columns: 1fr; }
  .section-head { flex-direction: column; align-items: flex-start; }
  .hero { min-height: auto; padding-block: 4rem 5rem; }
}