/* ============================================================
   Star İnşaat – Ana Stil Dosyası
   ============================================================ */

/* Google Fonts */
@import url('https://fonts.googleapis.com/css2?family=Cal+Sans&family=Inter:wght@300;400;500;600;700&display=swap');

/* ---- CSS Variables ---- */
:root {
  --primary:    #C9A84C;
  --primary-dk: #a8832a;
  --primary-lt: #e8d08a;
  --dark:       #0D0D0D;
  --dark2:      #161616;
  --dark3:      #1E1E1E;
  --mid:        #2C2C2C;
  --light:      #F5F2EC;
  --light2:     #EDE9E0;
  --white:      #FFFFFF;
  --text:       #3A3A3A;
  --text-lt:    #7A7A7A;
  --border:     rgba(201,168,76,0.2);

  --font-head:  'Cal Sans', serif;
  --font-body:  'Inter', sans-serif;

  --radius-sm:  4px;
  --radius-md:  10px;
  --radius-lg:  20px;

  --shadow-sm:  0 2px 12px rgba(0,0,0,0.08);
  --shadow-md:  0 8px 32px rgba(0,0,0,0.14);
  --shadow-lg:  0 20px 60px rgba(0,0,0,0.20);

  --trans:      0.35s cubic-bezier(0.4,0,0.2,1);
  --header-h:   80px;
}

/* ---- Reset & Base ---- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html { scroll-behavior: smooth; font-size: 16px; }

body {
  font-family: var(--font-body);
  color: var(--text);
  background: var(--white);
  overflow-x: hidden;
  line-height: 1.6;
}

img { max-width: 100%; display: block; }
a  { text-decoration: none; color: inherit; }
ul { list-style: none; }

h1, h2, h3, h4, h5 {
  font-family: var(--font-head);
  line-height: 1.15;
  color: var(--dark);
}

.container {
  width: 100%;
  max-width: 1240px;
  margin: 0 auto;
  padding: 0 24px;
}

/* ---- Buttons ---- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 14px 32px;
  border-radius: var(--radius-sm);
  font-family: var(--font-body);
  font-weight: 600;
  font-size: .95rem;
  letter-spacing: .04em;
  cursor: pointer;
  border: none;
  transition: var(--trans);
  text-transform: uppercase;
}

.btn-primary {
  background: var(--primary);
  color: var(--dark);
}
.btn-primary:hover {
  background: var(--primary-dk);
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(201,168,76,0.35);
}

.btn-outline {
  background: transparent;
  color: var(--white);
  border: 2px solid var(--primary);
}
.btn-outline:hover {
  background: var(--primary);
  color: var(--dark);
  transform: translateY(-2px);
}

.btn-dark {
  background: var(--dark);
  color: var(--white);
}
.btn-dark:hover {
  background: var(--mid);
  transform: translateY(-2px);
}

/* ---- Section Styles ---- */
.section { padding: 100px 0; }
.section-sm { padding: 60px 0; }
.section-dark { background: var(--dark); color: var(--white); }
.section-dark h2, .section-dark h3 { color: var(--white); }
.section-mid  { background: var(--dark2); color: var(--white); }
.section-mid h2, .section-mid h3 { color: var(--white); }
.section-light { background: var(--light); }

.section-label {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-body);
  font-size: .8rem;
  font-weight: 600;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--primary);
  margin-bottom: 18px;
}
.section-label::before {
  content: '';
  display: block;
  width: 30px;
  height: 2px;
  background: var(--primary);
}

.section-title {
  font-size: clamp(2rem, 4vw, 3rem);
  margin-bottom: 20px;
}
.section-title span { color: var(--primary); }

.section-desc {
  font-size: 1.05rem;
  color: var(--text-lt);
  max-width: 600px;
  line-height: 1.8;
}

.section-header { margin-bottom: 60px; }
.section-header.center { text-align: center; }
.section-header.center .section-label { justify-content: center; }
.section-header.center .section-desc { margin: 0 auto; }

/* ============================================================
   HEADER
   ============================================================ */
#main-header {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 1000;
  height: var(--header-h);
  background: transparent;
  transition: background var(--trans), box-shadow var(--trans);
}

#main-header.scrolled {
  background: #ffffff;
  backdrop-filter: none;
  box-shadow: 0 2px 20px rgba(0,0,0,0.1);
}
#main-header.scrolled .main-nav a {
  color: rgba(0,0,0,0.75);
}
#main-header.scrolled .main-nav a:hover,
#main-header.scrolled .main-nav a.active {
  color: #000000;
}
#main-header.scrolled .dropdown-menu a {
  color: rgba(255,255,255,0.85);
}
#main-header.scrolled .dropdown-menu a:hover {
  color: #C9A84C;
}
#main-header.scrolled .has-dropdown > a::after {
  color: var(--primary);
}

.header-inner {
  max-width: 1240px;
  margin: 0 auto;
  padding: 0 24px;
  height: 100%;
  display: flex;
  align-items: center;
  gap: 32px;
}

/* Logo */
.logo {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-shrink: 0;
}

.logo-icon {
  width: 42px;
  height: 42px;
  background: var(--primary);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--dark);
  font-size: 1.1rem;
}

.logo-text {
  display: flex;
  flex-direction: column;
  line-height: 1;
}

.logo-name {
  font-family: var(--font-head);
  font-size: 1.3rem;
  color: var(--white);
  letter-spacing: .08em;
}

.logo-sub {
  font-family: var(--font-body);
  font-size: .65rem;
  letter-spacing: .22em;
  color: var(--primary);
  text-transform: uppercase;
  margin-top: 2px;
}

/* Nav */
.main-nav {
  margin-left: auto;
}

.main-nav ul {
  display: flex;
  align-items: center;
  gap: 4px;
}

.main-nav a {
  display: block;
  padding: 8px 16px;
  font-size: .9rem;
  font-weight: 500;
  color: rgba(255,255,255,0.8);
  border-radius: var(--radius-sm);
  transition: var(--trans);
  position: relative;
  letter-spacing: .02em;
}
.main-nav a::after {
  content: '';
  position: absolute;
  bottom: 4px;
  left: 16px;
  right: 16px;
  height: 1px;
  background: var(--primary);
  transform: scaleX(0);
  transition: transform var(--trans);
}
.main-nav a:hover,
.main-nav a.active {
  color: var(--white);
}
.main-nav a:hover::after,
.main-nav a.active::after {
  transform: scaleX(1);
}

/* Header CTA */
.header-cta {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 10px 22px;
  background: var(--primary);
  color: var(--dark);
  border-radius: var(--radius-sm);
  font-size: .85rem;
  font-weight: 700;
  letter-spacing: .04em;
  text-transform: uppercase;
  transition: var(--trans);
  flex-shrink: 0;
}
.header-cta:hover {
  background: var(--primary-dk);
  transform: translateY(-1px);
}

/* Mobile Toggle */
.mobile-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 20px 14px 10px 14px;
  margin-left: auto;
  margin-right: -14px;
  min-width: 52px;
  min-height: 52px;
  align-items: center;
  justify-content: center;
  -webkit-tap-highlight-color: transparent;
  touch-action: manipulation;
}
.mobile-toggle span {
  display: block;
  width: 26px;
  height: 2px;
  background: #000000;
  transition: var(--trans);
  border-radius: 2px;
}
.mobile-toggle.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.mobile-toggle.open span:nth-child(2) { opacity: 0; }
.mobile-toggle.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ============================================================
   FOOTER
   ============================================================ */
#main-footer {
  background: var(--dark);
  color: rgba(255,255,255,0.7);
}

.footer-top { padding: 80px 0 60px; }

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1.5fr;
  gap: 48px;
}

.footer-brand p {
  margin-top: 20px;
  font-size: .9rem;
  line-height: 1.8;
  max-width: 260px;
}

.footer-logo .logo-name { color: var(--white); }

.social-links {
  display: flex;
  gap: 12px;
  margin-top: 24px;
}

.social-links a {
  width: 38px;
  height: 38px;
  background: var(--mid);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: .9rem;
  color: rgba(255,255,255,0.7);
  transition: var(--trans);
}
.social-links a:hover {
  background: var(--primary);
  color: var(--dark);
  transform: translateY(-2px);
}

.footer-col h4 {
  font-family: var(--font-head);
  font-size: 1rem;
  color: var(--white);
  letter-spacing: .08em;
  margin-bottom: 20px;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--border);
}

.footer-col ul li + li { margin-top: 10px; }

.footer-col a {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: .88rem;
  color: rgba(255,255,255,0.6);
  transition: var(--trans);
}
.footer-col a i { color: var(--primary); font-size: .7rem; }
.footer-col a:hover { color: var(--primary); padding-left: 4px; }

.contact-list li {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  font-size: .88rem;
  line-height: 1.6;
  margin-bottom: 14px;
}
.contact-list i {
  color: var(--primary);
  margin-top: 3px;
  flex-shrink: 0;
}

.footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.06);
  padding: 22px 0;
}
.footer-bottom .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}
.footer-bottom p {
  font-size: .82rem;
  color: rgba(255,255,255,0.35);
}

/* ============================================================
   HERO (Shared)
   ============================================================ */
.hero {
  position: relative;
  height: 100vh;
  min-height: 640px;
  display: flex;
  align-items: center;
  overflow: hidden;
}

.hero-bg {
  position: absolute;
  inset: 0;
  background-size: cover;
  background-position: center;
  transform: scale(1.08);
  animation: heroBgZoom 14s ease-out forwards;
}

@keyframes heroBgZoom {
  to { transform: scale(1); }
}

.hero-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(
    110deg,
    rgba(0,0,0,0.80) 0%,
    rgba(0,0,0,0.45) 55%,
    rgba(0,0,0,0.15) 100%
  );
}

.hero-content {
  position: relative;
  z-index: 1;
  max-width: 680px;
  padding-top: var(--header-h);
}

.hero-label {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  background: rgba(201,168,76,0.15);
  border: 1px solid rgba(201,168,76,0.35);
  border-radius: 100px;
  padding: 6px 18px 6px 10px;
  color: var(--primary-lt);
  font-size: .8rem;
  font-weight: 600;
  letter-spacing: .12em;
  text-transform: uppercase;
  margin-bottom: 28px;
  backdrop-filter: blur(6px);
  opacity: 0;
  animation: fadeUp .8s .2s forwards;
}
.hero-label i { font-size: .7rem; }

.hero h1 {
  font-family: var(--font-head);
  font-size: clamp(2.6rem, 6vw, 5rem);
  color: var(--white);
  line-height: 1.08;
  margin-bottom: 24px;
  opacity: 0;
  animation: fadeUp .9s .4s forwards;
}
.hero h1 span { color: var(--primary); }

.hero-desc {
  font-size: 1.1rem;
  color: rgba(255,255,255,0.75);
  line-height: 1.75;
  margin-bottom: 40px;
  max-width: 520px;
  opacity: 0;
  animation: fadeUp .9s .6s forwards;
}

.hero-actions {
  display: flex;
  align-items: center;
  gap: 18px;
  flex-wrap: wrap;
  opacity: 0;
  animation: fadeUp .9s .8s forwards;
}

.hero-stats {
  display: flex;
  gap: 40px;
  margin-top: 64px;
  opacity: 0;
  animation: fadeUp .9s 1s forwards;
}

.hero-stat-item span:first-child {
  display: inline-flex;
  align-items: baseline;
  gap: 2px;
  font-family: var(--font-head);
  font-size: 2.4rem;
  color: var(--primary);
  line-height: 1;
}
.hero-stat-item span:first-child span[data-count] {
  font-family: var(--font-head);
  font-size: 2.4rem;
  color: var(--primary);
}
.hero-stat-item span:last-child {
  font-size: .82rem;
  color: rgba(255,255,255,0.55);
  letter-spacing: .06em;
  text-transform: uppercase;
}

/* Scroll indicator */
.hero-scroll {
  position: absolute;
  bottom: 36px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  color: rgba(255,255,255,0.5);
  font-size: .72rem;
  letter-spacing: .1em;
  text-transform: uppercase;
  z-index: 2;
  animation: scrollBounce 2s infinite;
}
.hero-scroll i { font-size: 1.2rem; }

@keyframes scrollBounce {
  0%, 100% { transform: translateX(-50%) translateY(0); }
  50%       { transform: translateX(-50%) translateY(6px); }
}

/* ============================================================
   INNER PAGE HERO
   ============================================================ */
.page-hero {
  position: relative;
  height: 380px;
  display: flex;
  align-items: flex-end;
  overflow: hidden;
}
.page-hero-bg {
  position: absolute;
  inset: 0;
  background-size: cover;
  background-position: center;
}
.page-hero-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(0,0,0,0.85) 0%, rgba(0,0,0,0.3) 100%);
}
.page-hero-content {
  position: relative;
  z-index: 1;
  padding-bottom: 60px;
}
.page-hero-content .section-label { color: var(--primary-lt); }
.page-hero-content h1 {
  font-size: clamp(2rem, 5vw, 3.5rem);
  color: var(--white);
  margin-bottom: 0;
}

/* Breadcrumb */
.breadcrumb {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-top: 14px;
  font-size: .82rem;
  color: rgba(255,255,255,0.5);
}
.breadcrumb a {
  color: rgba(255,255,255,0.5);
  transition: var(--trans);
}
.breadcrumb a:hover { color: var(--primary); }
.breadcrumb i { font-size: .6rem; }

/* ============================================================
   CARDS
   ============================================================ */
.card-grid-3 {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}
.card-grid-4 {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}
.card-grid-2 {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 28px;
}

/* Service Card */
.service-card {
  background: var(--white);
  border-radius: var(--radius-md);
  padding: 40px 32px;
  border: 1px solid rgba(0,0,0,0.06);
  transition: var(--trans);
  position: relative;
  overflow: hidden;
}
.service-card::before {
  content: '';
  position: absolute;
  bottom: 0; left: 0;
  width: 100%; height: 3px;
  background: var(--primary);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform var(--trans);
}
.service-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-md);
}
.service-card:hover::before { transform: scaleX(1); }

.service-card-icon {
  width: 60px;
  height: 60px;
  background: rgba(201,168,76,0.1);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  color: var(--primary);
  margin-bottom: 24px;
  transition: var(--trans);
}
.service-card:hover .service-card-icon {
  background: var(--primary);
  color: var(--dark);
}

.service-card h3 {
  font-size: 1.15rem;
  margin-bottom: 12px;
}

.service-card p {
  font-size: .9rem;
  color: var(--text-lt);
  line-height: 1.7;
}

/* Project Card */
.project-card {
  border-radius: var(--radius-md);
  overflow: hidden;
  position: relative;
  aspect-ratio: 4/3;
  cursor: pointer;
}

.project-card img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform .6s ease;
}

.project-card:hover img { transform: scale(1.07); }

.project-card-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(0,0,0,0.85) 0%, rgba(0,0,0,0.15) 60%);
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  padding: 28px;
  opacity: 0;
  transition: opacity var(--trans);
}
.project-card:hover .project-card-overlay {
  opacity: 1;
  background: linear-gradient(to top, rgba(0,0,0,0.92) 0%, rgba(0,0,0,0.45) 60%);
}

.project-card-tag {
  display: inline-block;
  background: var(--primary);
  color: var(--dark);
  font-size: .72rem;
  font-weight: 700;
  letter-spacing: .1em;
  text-transform: uppercase;
  padding: 4px 12px;
  border-radius: var(--radius-sm);
  margin-bottom: 10px;
  align-self: flex-start;
}

.project-card h3 {
  color: var(--white);
  font-size: 1.15rem;
  margin-bottom: 6px;
}
.project-card p {
  color: rgba(255,255,255,0.65);
  font-size: .83rem;
}

/* Stat Card */
.stat-card {
  text-align: center;
  padding: 40px 20px;
}
.stat-card .stat-num {
  font-family: var(--font-head);
  font-size: 3.2rem;
  color: var(--primary);
  display: block;
  line-height: 1;
  margin-bottom: 8px;
}
.stat-card .stat-label {
  font-size: .88rem;
  color: rgba(255,255,255,0.55);
  letter-spacing: .06em;
  text-transform: uppercase;
}

/* ============================================================
   ANIMATIONS
   ============================================================ */
@keyframes fadeUp {
  from { opacity: 0; transform: translateY(28px); }
  to   { opacity: 1; transform: translateY(0); }
}

.reveal {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity .7s ease, transform .7s ease;
}
.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}

/* Delay helpers */
.delay-1 { transition-delay: .1s; }
.delay-2 { transition-delay: .2s; }
.delay-3 { transition-delay: .3s; }
.delay-4 { transition-delay: .4s; }
.delay-5 { transition-delay: .5s; }

/* ============================================================
   DIVIDER / DECORATIVE
   ============================================================ */
.gold-line {
  width: 60px;
  height: 3px;
  background: var(--primary);
  margin: 20px 0;
}
.gold-line.center { margin-left: auto; margin-right: auto; }

/* ============================================================
   FORM
   ============================================================ */
.form-group {
  margin-bottom: 20px;
}
.form-group label {
  display: block;
  font-size: .85rem;
  font-weight: 600;
  color: var(--text);
  margin-bottom: 8px;
  letter-spacing: .03em;
}
.form-control {
  width: 100%;
  padding: 13px 18px;
  border: 1.5px solid rgba(0,0,0,0.12);
  border-radius: var(--radius-sm);
  font-family: var(--font-body);
  font-size: .93rem;
  color: var(--text);
  background: var(--white);
  transition: var(--trans);
  outline: none;
}
.form-control:focus {
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(201,168,76,0.12);
}
textarea.form-control {
  resize: vertical;
  min-height: 130px;
}

/* ============================================================
   MARQUEE / SCROLLING TICKER
   ============================================================ */
.marquee-wrap {
  overflow: hidden;
  background: var(--primary);
  padding: 14px 0;
}
.marquee-track {
  display: flex;
  gap: 60px;
  white-space: nowrap;
  animation: marqueeScroll 28s linear infinite;
}
.marquee-item {
  display: flex;
  align-items: center;
  gap: 12px;
  font-family: var(--font-head);
  font-size: .85rem;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: var(--dark);
  flex-shrink: 0;
}
.marquee-item i { font-size: .6rem; }

@keyframes marqueeScroll {
  from { transform: translateX(0); }
  to   { transform: translateX(-50%); }
}

/* ============================================================
   RESPONSIVE
   ============================================================ */
@media (max-width: 1024px) {
  .card-grid-4 { grid-template-columns: repeat(2, 1fr); }
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 36px; }
}

@media (max-width: 768px) {
  :root { --header-h: 68px; }

  .header-cta { display: none; }

  .mobile-toggle { display: flex; }

  .main-nav {
    position: fixed;
    top: var(--header-h);
    left: 0; right: 0;
    background: #ffffff;
    backdrop-filter: none;
    padding: 20px 24px 32px;
    transform: translateY(-110%);
    opacity: 0;
    transition: var(--trans);
    z-index: 999;
    border-top: 1px solid rgba(0,0,0,0.1);
    box-shadow: 0 8px 24px rgba(0,0,0,0.1);
  }
  .main-nav.open {
    transform: translateY(0);
    opacity: 1;
  }
  .main-nav ul { flex-direction: column; gap: 0; }
  .main-nav a { padding: 14px 24px; font-size: 1rem; }

  .section { padding: 64px 0; }

  .card-grid-3 { grid-template-columns: 1fr; }
  .card-grid-2 { grid-template-columns: 1fr; }
  .card-grid-4 { grid-template-columns: 1fr; }

  .hero-stats { gap: 24px; flex-wrap: wrap; }

  .footer-grid { grid-template-columns: 1fr; gap: 32px; }
  .footer-bottom .container { flex-direction: column; text-align: center; }

  .hero-actions { flex-direction: column; align-items: flex-start; }
}

@media (max-width: 480px) {
  .hero h1 { font-size: 2.2rem; }
  .section-title { font-size: 1.8rem; }
}

/* ---- Logo Image ---- */
.logo-img {
  height: 48px;
  width: auto;
  display: block;
  object-fit: contain;
}
.footer-logo .logo-img {
  height: 44px;
  margin-bottom: 4px;
}

/* ---- WhatsApp Floating Button ---- */
.whatsapp-float {
  position: fixed;
  bottom: 28px;
  right: 28px;
  z-index: 9999;
  width: 58px;
  height: 58px;
  background: #25D366;
  color: #fff;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.8rem;
  box-shadow: 0 4px 20px rgba(37, 211, 102, 0.45);
  text-decoration: none;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}
.whatsapp-float:hover {
  transform: scale(1.1);
  box-shadow: 0 6px 28px rgba(37, 211, 102, 0.6);
  color: #fff;
}

@media (max-width: 600px) {
  .whatsapp-float {
    bottom: 18px;
    right: 18px;
    width: 50px;
    height: 50px;
    font-size: 1.5rem;
  }
}