/* ============================================================
   HALLAÇI KONSTRUKSION — Standalone page styles
   White/gold inverted palette. Same fonts as DH Building.
   ============================================================ */

:root {
  --hk-white:      #FFFFFF;
  --hk-off-white:  #F7F5F1;
  --hk-surface:    #EDEAE4;
  --hk-border:     #DDD9D2;
  --hk-text:       #232020;
  --hk-text-muted: #6B6862;
  --hk-dark:       #232020;
  --hk-charcoal:   #232020;
  --gold:          #d1ac66;
  --gold-light:    #d1ac66;
  --gold-dark:     #d1ac66;

  --font-display: 'Space Grotesk', sans-serif;
  --font-body:    'Inter', sans-serif;

  --ease: cubic-bezier(0.4, 0, 0.2, 1);
  --dur:  0.3s;

  --section-pad: clamp(4rem, 8vw, 7rem);
  --container:   1200px;
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }

body {
  font-family: var(--font-body);
  font-size: 1rem;
  line-height: 1.6;
  color: var(--hk-text);
  background: var(--hk-white);
  -webkit-font-smoothing: antialiased;
}

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

h1, h2, h3, h4 {
  font-family: var(--font-display);
  font-weight: 700;
  line-height: 1.1;
  color: var(--hk-text);
  letter-spacing: -0.02em;
}

h1 { font-size: clamp(2.25rem, 5vw, 3.5rem); }
h2 { font-size: clamp(1.75rem, 3vw, 2.25rem); }
h3 { font-size: 1.25rem; }

.container {
  width: 100%;
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 clamp(1rem, 5vw, 2rem);
}

.eyebrow {
  font-family: var(--font-display);
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--gold);
  margin-bottom: 0.75rem;
  display: block;
}

/* ============================================================
   SCROLL REVEAL
   ============================================================ */
.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.6s var(--ease), transform 0.6s var(--ease);
}
.reveal.visible { opacity: 1; transform: none; }

/* ============================================================
   PLACEHOLDER IMAGES
   ============================================================ */
.hk-placeholder {
  background-color: var(--hk-surface);
  background-image: repeating-linear-gradient(
    45deg,
    transparent,
    transparent 12px,
    rgba(0,0,0,0.04) 12px,
    rgba(0,0,0,0.04) 24px
  );
  width: 100%;
  height: 100%;
  display: flex;
  align-items: flex-end;
  padding: 1rem;
}

.hk-placeholder-label {
  font-family: var(--font-display);
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--hk-text-muted);
  background: rgba(247,245,241,0.9);
  padding: 0.35rem 0.7rem;
  border-radius: 2px;
}

/* ============================================================
   HEADER
   ============================================================ */
.hk-header {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 1000;
  background: var(--hk-white);
  border-bottom: 1px solid var(--hk-border);
  transition: box-shadow var(--dur) var(--ease);
}

.hk-header.scrolled {
  box-shadow: 0 2px 20px rgba(0,0,0,0.08);
}

.hk-header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
  gap: 2rem;
}

.hk-logo {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  flex-shrink: 0;
  transition: opacity var(--dur);
}
.hk-logo:hover { opacity: 0.8; }

.hk-logo-mark {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.125rem;
  background: var(--gold);
  color: var(--hk-dark);
  padding: 0.3rem 0.55rem;
  line-height: 1;
  letter-spacing: 0.02em;
}

.hk-logo-name {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 0.9375rem;
  color: var(--hk-text);
  white-space: nowrap;
}

.hk-back-link {
  font-family: var(--font-display);
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--hk-text-muted);
  display: flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.5rem 0;
  border-bottom: 1.5px solid transparent;
  transition: color var(--dur) var(--ease), border-color var(--dur) var(--ease);
  white-space: nowrap;
}
.hk-back-link:hover {
  color: var(--gold);
  border-color: var(--gold);
}

.hk-header-cta {
  font-family: var(--font-display);
  font-size: 0.875rem;
  font-weight: 600;
  background: var(--gold);
  color: var(--hk-dark);
  padding: 0.65rem 1.4rem;
  border-radius: 4px;
  white-space: nowrap;
  transition: background var(--dur) var(--ease), transform var(--dur) var(--ease);
  display: none;
}
.hk-header-cta:hover { background: var(--gold-light); transform: translateY(-1px); }

@media (min-width: 640px) { .hk-header-cta { display: inline-flex; align-items: center; } }

/* Mobile hamburger */
.hk-hamburger {
  display: flex;
  flex-direction: column;
  gap: 5px;
  padding: 0.5rem;
  margin-left: auto;
}
.hk-hamburger span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--hk-text);
  border-radius: 2px;
  transition: transform var(--dur) var(--ease), opacity var(--dur);
}
.hk-hamburger[aria-expanded="true"] span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.hk-hamburger[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
.hk-hamburger[aria-expanded="true"] span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

@media (min-width: 768px) { .hk-hamburger { display: none; } }

.hk-mobile-menu {
  display: none;
  flex-direction: column;
  gap: 1.5rem;
  padding: 1.5rem clamp(1rem, 5vw, 2rem) 2rem;
  background: var(--hk-white);
  border-top: 1px solid var(--hk-border);
}
.hk-mobile-menu.open { display: flex; }
.hk-mobile-menu a {
  font-family: var(--font-display);
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--hk-text);
  transition: color var(--dur);
}
.hk-mobile-menu a:hover { color: var(--gold); }

/* ============================================================
   HERO
   ============================================================ */
.hk-hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding-top: 72px;
  overflow: hidden;
  background: var(--hk-dark);
}

.hk-hero-bg {
  position: absolute;
  inset: 0;
  background-image: url('/images/hallaci/hero.jpg');
  background-size: cover;
  background-position: center;
}

.hk-hero-bg::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(160deg, rgba(35,32,32,0.62) 0%, rgba(35,32,32,0.80) 100%);
}

.hk-hero-bg::before {
  content: '';
  position: absolute;
  inset: 1.5rem;
  border: 1px solid rgba(209,172,102,0.18);
  pointer-events: none;
  z-index: 1;
}

.hk-hero-content {
  position: relative;
  z-index: 2;
  padding-top: clamp(3rem, 8vw, 6rem);
  padding-bottom: clamp(3rem, 8vw, 6rem);
  max-width: 780px;
}

.hk-hero-content .eyebrow {
  padding-top: 1rem;
  border-top: 1px solid var(--gold);
  display: inline-block;
  margin-bottom: 1.5rem;
}

.hk-hero-content h1 {
  color: var(--hk-white);
  margin-bottom: 1.5rem;
}

.hk-hero-sub {
  font-size: clamp(1rem, 2vw, 1.125rem);
  color: #B7B1A6;
  max-width: 520px;
  margin-bottom: 2.5rem;
  line-height: 1.75;
}

.hk-hero-ctas {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
}

.btn-hk-gold {
  display: inline-flex;
  align-items: center;
  font-family: var(--font-display);
  font-size: 0.9375rem;
  font-weight: 600;
  padding: 0.875rem 1.75rem;
  border-radius: 4px;
  background: var(--gold);
  color: var(--hk-dark);
  transition: background var(--dur) var(--ease), transform var(--dur) var(--ease);
}
.btn-hk-gold:hover { background: var(--gold-light); transform: translateY(-1px); }

.btn-hk-outline {
  display: inline-flex;
  align-items: center;
  font-family: var(--font-display);
  font-size: 0.9375rem;
  font-weight: 600;
  padding: 0.875rem 1.75rem;
  border-radius: 4px;
  background: transparent;
  color: var(--hk-white);
  border: 1.5px solid rgba(255,255,255,0.3);
  transition: border-color var(--dur) var(--ease), color var(--dur) var(--ease);
}
.btn-hk-outline:hover { border-color: var(--gold); color: var(--gold); }

/* ============================================================
   STATS STRIP
   ============================================================ */
.hk-stats {
  background: var(--gold);
  padding: 2.5rem 0;
}

.hk-stats-inner {
  display: flex;
  justify-content: space-around;
  flex-wrap: wrap;
  gap: 1.5rem;
  text-align: center;
}

.hk-stat-number {
  font-family: var(--font-display);
  font-size: clamp(2rem, 4vw, 2.75rem);
  font-weight: 700;
  color: var(--hk-dark);
  letter-spacing: -0.03em;
  display: block;
  line-height: 1;
}

.hk-stat-label {
  font-family: var(--font-display);
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: rgba(35,32,32,0.65);
  display: block;
  margin-top: 0.4rem;
}

/* ============================================================
   OVERVIEW SECTION
   ============================================================ */
.hk-overview {
  padding: var(--section-pad) 0;
  background: var(--hk-white);
}

.hk-overview-inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(2.5rem, 6vw, 5rem);
  align-items: center;
}

@media (max-width: 767px) {
  .hk-overview-inner { grid-template-columns: 1fr; }
}

.hk-overview-text h2 { margin-bottom: 1.25rem; }

.hk-overview-text p {
  color: var(--hk-text-muted);
  line-height: 1.75;
  margin-bottom: 1.25rem;
}

.hk-overview-text p:last-of-type { margin-bottom: 2rem; }

.hk-overview-visual {
  aspect-ratio: 4 / 3;
  border-radius: 4px;
  overflow: hidden;
  border: 1px solid var(--hk-border);
  min-height: 320px;
}

/* ============================================================
   PROJECT TYPES SECTION
   ============================================================ */
.hk-projects {
  padding: var(--section-pad) 0;
  background: var(--hk-off-white);
}

.hk-section-header {
  text-align: center;
  margin-bottom: clamp(2.5rem, 5vw, 4rem);
}

.hk-section-header h2 { margin-bottom: 0.75rem; }

.hk-section-intro {
  color: var(--hk-text-muted);
  max-width: 520px;
  margin: 0 auto;
  line-height: 1.7;
}

.hk-projects-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.5rem;
}

@media (max-width: 640px) {
  .hk-projects-grid { grid-template-columns: 1fr; }
}

.hk-project-card {
  background: var(--hk-white);
  border: 1px solid var(--hk-border);
  border-radius: 6px;
  overflow: hidden;
  transition: box-shadow var(--dur) var(--ease), transform var(--dur) var(--ease);
}
.hk-project-card:hover {
  box-shadow: 0 12px 40px rgba(0,0,0,0.1);
  transform: translateY(-3px);
}

.hk-project-img {
  aspect-ratio: 16 / 10;
  overflow: hidden;
  position: relative;
}

.hk-project-body {
  padding: 1.5rem;
}

.hk-project-tag {
  display: inline-block;
  font-family: var(--font-display);
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--gold);
  background: rgba(209,172,102,0.1);
  padding: 0.25rem 0.6rem;
  border-radius: 2px;
  margin-bottom: 0.75rem;
}

.hk-project-body h3 {
  margin-bottom: 0.5rem;
  font-size: 1.125rem;
}

.hk-project-body p {
  font-size: 0.875rem;
  color: var(--hk-text-muted);
  line-height: 1.65;
}

/* ============================================================
   CONNECTION SECTION
   ============================================================ */
.hk-connection {
  padding: var(--section-pad) 0;
  background: var(--hk-white);
}

.hk-connection-inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(2.5rem, 6vw, 5rem);
  align-items: center;
}

@media (max-width: 767px) {
  .hk-connection-inner { grid-template-columns: 1fr; }
}

.hk-connection-text h2 { margin-bottom: 1.25rem; }

.hk-connection-text p {
  color: var(--hk-text-muted);
  line-height: 1.75;
  margin-bottom: 1.25rem;
}

.hk-connection-visual {
  aspect-ratio: 4 / 3;
  border-radius: 4px;
  overflow: hidden;
  border: 1px solid var(--hk-border);
  min-height: 280px;
}

.hk-divider {
  width: 48px;
  height: 3px;
  background: var(--gold);
  margin: 1.5rem 0;
}

/* ============================================================
   CTA BAND
   ============================================================ */
.hk-cta {
  padding: clamp(3rem, 6vw, 5rem) 0;
  background: var(--hk-dark);
  text-align: center;
}

.hk-cta .eyebrow { color: var(--gold); }

.hk-cta h2 {
  color: var(--hk-white);
  margin-bottom: 1rem;
}

.hk-cta p {
  color: #B7B1A6;
  max-width: 480px;
  margin: 0 auto 2.5rem;
  line-height: 1.7;
}

/* ============================================================
   FOOTER
   ============================================================ */
.hk-footer {
  background: var(--hk-charcoal);
  padding: 2.5rem 0;
}

.hk-footer-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 1.5rem;
}

.hk-footer-brand {
  display: flex;
  align-items: center;
  gap: 0.6rem;
}

.hk-footer-copy {
  font-size: 0.8125rem;
  color: #6B6862;
}

.hk-footer-back {
  font-family: var(--font-display);
  font-size: 0.875rem;
  font-weight: 600;
  color: #6B6862;
  display: flex;
  align-items: center;
  gap: 0.4rem;
  transition: color var(--dur) var(--ease);
}
.hk-footer-back:hover { color: var(--gold); }