/* =============================================
   CANİSA Mimarlık & Gayrimenkul — Ana Stil Dosyası
   ============================================= */

/* --- CSS Değişkenleri --- */
:root {
  --color-emerald: #062f27;
  --color-emerald-dark: #021d18;
  --color-gold: #d8b56d;
  --color-gold-light: #f2d99b;
  --color-cream: #f7f1e3;
  --color-white: #ffffff;
  --color-gray-text: #cfc7b4;

  --font-heading: "Cormorant Garamond", "Georgia", serif;
  --font-body: "Montserrat", "Segoe UI", sans-serif;

  --spacing-xs: 0.5rem;
  --spacing-sm: 1rem;
  --spacing-md: 2rem;
  --spacing-lg: 4rem;
  --spacing-xl: 6rem;

  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 16px;

  --shadow-soft: 0 8px 32px rgba(2, 29, 24, 0.12);
  --shadow-card: 0 12px 40px rgba(2, 29, 24, 0.18);

  --transition: 0.35s cubic-bezier(0.4, 0, 0.2, 1);
  --topbar-row-height: 30px;
  --header-height: 80px;
  --site-header-height: calc(var(--topbar-row-height) + var(--header-height) + 14px);
  --header-nav-offset: clamp(8rem, 18vw, 15rem);
}

/* --- Reset & Temel --- */
*,
*::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(--color-cream);
  background-color: var(--color-emerald-dark);
  line-height: 1.7;
  overflow-x: hidden;
}

img {
  max-width: 100%;
  height: auto;
  display: block;
}

a {
  color: inherit;
  text-decoration: none;
  transition: color var(--transition);
}

ul {
  list-style: none;
}

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  font-weight: 500;
  line-height: 1.25;
  color: var(--color-white);
}

p {
  color: var(--color-gray-text);
}

.container {
  width: min(1200px, 92%);
  margin-inline: auto;
}

/* --- Gold çizgi dekorasyonu --- */
.gold-line {
  width: 60px;
  height: 2px;
  background: linear-gradient(90deg, var(--color-gold), var(--color-gold-light));
  margin-bottom: var(--spacing-sm);
}

.gold-line--center {
  margin-inline: auto;
}

.section-header {
  text-align: center;
  margin-bottom: var(--spacing-lg);
}

.section-header h2 {
  font-size: clamp(2rem, 4vw, 3rem);
  margin-bottom: var(--spacing-sm);
}

.section-header p {
  max-width: 600px;
  margin-inline: auto;
}

/* --- Butonlar --- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.875rem 2rem;
  font-family: var(--font-body);
  font-size: 0.875rem;
  font-weight: 500;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  border: 1px solid transparent;
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: all var(--transition);
}

.btn--primary {
  background: linear-gradient(135deg, var(--color-gold), var(--color-gold-light));
  color: var(--color-emerald-dark);
  border-color: var(--color-gold);
}

.btn--primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(216, 181, 109, 0.35);
}

.btn--outline {
  background: transparent;
  color: var(--color-gold);
  border-color: var(--color-gold);
}

.btn--outline:hover {
  background: var(--color-gold);
  color: var(--color-emerald-dark);
  transform: translateY(-2px);
}

.btn--dark {
  background: var(--color-emerald);
  color: var(--color-gold-light);
  border-color: var(--color-gold);
}

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

/* --- Üst bilgi çubuğu & Navbar --- */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 1000;
}

.header {
  position: relative;
  width: 100%;
  background: rgba(2, 29, 24, 0.92);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid rgba(216, 181, 109, 0.15);
  transition: background var(--transition);
  padding-top: 0.5rem;
}

.site-header.scrolled .header {
  background: rgba(2, 29, 24, 0.98);
  box-shadow: var(--shadow-soft);
}

/* Telefon & adres aynı satırda, altında gold çizgi */
.site-header__inner {
  display: grid;
  grid-template-columns: auto 1fr;
  align-items: center;
  column-gap: 3rem;
  row-gap: 0.55rem;
}

.topbar__phone {
  grid-column: 1;
  grid-row: 1;
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  min-height: var(--topbar-row-height);
  font-size: 0.75rem;
  letter-spacing: 0.03em;
  color: var(--color-gray-text);
  align-self: center;
}

.topbar__phone:hover {
  color: var(--color-gold-light);
}

.topbar__address {
  grid-column: 2;
  grid-row: 1;
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  min-height: var(--topbar-row-height);
  font-size: 0.7rem;
  letter-spacing: 0.02em;
  color: var(--color-gray-text);
  line-height: 1;
  white-space: nowrap;
  justify-self: end;
  align-self: center;
  padding-left: 0;
}

.site-header__divider {
  grid-column: 1 / -1;
  grid-row: 2;
  width: 100%;
  height: 1px;
  background: linear-gradient(
    90deg,
    rgba(216, 181, 109, 0.15) 0%,
    var(--color-gold) 20%,
    var(--color-gold-light) 50%,
    var(--color-gold) 80%,
    rgba(216, 181, 109, 0.15) 100%
  );
  margin: 0.15rem 0 0.35rem;
}

.logo {
  grid-column: 1;
  grid-row: 3;
}

.navbar {
  grid-column: 2;
  grid-row: 3;
  justify-self: end;
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 1rem;
  height: var(--header-height);
  width: 100%;
  padding-left: 0;
}

.topbar__icon {
  color: var(--color-gold);
  flex-shrink: 0;
  font-size: 0.8rem;
}

/* Logo alanı — görsel yoksa metin logo */
.logo {
  display: flex;
  align-items: center;
  gap: 0.85rem;
  flex-shrink: 0;
}

.logo__img {
  width: auto;
  height: 64px;
  max-width: 200px;
  object-fit: contain;
  border-radius: var(--radius-sm);
}

.logo__img--hidden {
  display: none;
}

.logo__text {
  display: none;
  flex-direction: column;
  line-height: 1.2;
}

.logo:has(.logo__img--hidden) .logo__text,
.logo:not(:has(.logo__img)) .logo__text {
  display: flex;
}

.logo__brand {
  font-family: var(--font-heading);
  font-size: 1.6rem;
  font-weight: 600;
  color: var(--color-gold);
  letter-spacing: 0.06em;
}

.logo__tagline {
  font-size: 0.68rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--color-gray-text);
}

/* Nav menü */
.nav-menu {
  display: flex;
  align-items: center;
  gap: 2rem;
}

.nav-menu > li {
  display: flex;
  align-items: center;
}

.nav-menu__link {
  display: inline-flex;
  align-items: center;
  min-height: 34px;
  font-size: 0.8rem;
  font-weight: 500;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-gray-text);
  position: relative;
  padding-bottom: 4px;
  line-height: 1;
}

.nav-menu__link::after {
  content: "";
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 1px;
  background: var(--color-gold);
  transition: width var(--transition);
}

.nav-menu__link:hover,
.nav-menu__link.active {
  color: var(--color-gold-light);
}

.nav-menu__link:hover::after,
.nav-menu__link.active::after {
  width: 100%;
}

/* İletişim yanında sosyal medya ikonları */
.nav-menu__contact-wrap {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  min-height: 34px;
}

.nav-menu__contact-wrap .nav-menu__link {
  flex-shrink: 0;
}

.social-icons {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.social-icon {
  width: 34px;
  height: 34px;
  display: flex;
  align-items: center;
  justify-content: center;
  border: 1px solid rgba(216, 181, 109, 0.4);
  border-radius: 50%;
  color: var(--color-gold);
  transition: all var(--transition);
}

.social-icon svg {
  width: 16px;
  height: 16px;
  fill: currentColor;
}

.social-icon:hover {
  background: var(--color-gold);
  color: var(--color-emerald-dark);
  border-color: var(--color-gold);
  transform: translateY(-2px);
}

.social-icons--footer {
  margin-top: var(--spacing-sm);
}

.social-icons--contact {
  margin-top: var(--spacing-md);
}

/* Hamburger */
.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 8px;
  z-index: 1001;
}

.hamburger__line {
  display: block;
  width: 26px;
  height: 2px;
  background: var(--color-gold);
  transition: all var(--transition);
}

.hamburger.active .hamburger__line:nth-child(1) {
  transform: rotate(45deg) translate(5px, 5px);
}

.hamburger.active .hamburger__line:nth-child(2) {
  opacity: 0;
}

.hamburger.active .hamburger__line:nth-child(3) {
  transform: rotate(-45deg) translate(5px, -5px);
}

/* --- Hero --- */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  position: relative;
  padding-top: var(--site-header-height);
  background:
    linear-gradient(135deg, rgba(2, 29, 24, 0.88) 0%, rgba(6, 47, 39, 0.75) 100%),
    url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='100' height='100' viewBox='0 0 100 100'%3E%3Crect fill='%23062f27' width='100' height='100'/%3E%3Cpath d='M0 80 L30 50 L60 70 L100 30 L100 100 L0 100 Z' fill='%23021d18' opacity='0.5'/%3E%3C/svg%3E");
  background-size: cover;
  background-position: center;
}

.hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse at 70% 50%, rgba(216, 181, 109, 0.08) 0%, transparent 60%);
  pointer-events: none;
}

.hero__content {
  position: relative;
  z-index: 1;
  max-width: 780px;
}

.hero__gold-line {
  width: 80px;
  height: 2px;
  background: linear-gradient(90deg, var(--color-gold), transparent);
  margin-bottom: var(--spacing-md);
}

.hero__title {
  font-size: clamp(2.5rem, 6vw, 4.5rem);
  margin-bottom: var(--spacing-md);
  color: var(--color-white);
}

.hero__title span {
  color: var(--color-gold-light);
}

.hero__desc {
  font-size: clamp(1rem, 2vw, 1.15rem);
  margin-bottom: var(--spacing-md);
  max-width: 580px;
}

.hero__buttons {
  display: flex;
  flex-wrap: wrap;
  gap: var(--spacing-sm);
}

/* Sayfa hero (iç sayfalar) */
.page-hero {
  padding: calc(var(--site-header-height) + var(--spacing-lg)) 0 var(--spacing-lg);
  background: linear-gradient(180deg, var(--color-emerald) 0%, var(--color-emerald-dark) 100%);
  text-align: center;
  border-bottom: 1px solid rgba(216, 181, 109, 0.2);
}

.page-hero h1 {
  font-size: clamp(2.2rem, 5vw, 3.5rem);
  margin-bottom: var(--spacing-sm);
}

.page-hero p {
  max-width: 600px;
  margin-inline: auto;
}

/* --- Bölümler --- */
.section {
  padding: var(--spacing-xl) 0;
}

.section--cream {
  background: var(--color-cream);
}

.section--cream h2,
.section--cream h3,
.section--cream h4 {
  color: var(--color-emerald-dark);
}

.section--cream p {
  color: #5a5548;
}

.section--emerald {
  background: var(--color-emerald);
}

/* --- Hizmet Kartları --- */
.services-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: var(--spacing-md);
}

.service-card {
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(216, 181, 109, 0.2);
  border-radius: var(--radius-md);
  padding: var(--spacing-md);
  transition: all var(--transition);
  position: relative;
  overflow: hidden;
}

.service-card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 3px;
  background: linear-gradient(90deg, var(--color-gold), var(--color-gold-light));
  transform: scaleX(0);
  transform-origin: left;
  transition: transform var(--transition);
}

.service-card:hover {
  transform: translateY(-6px);
  border-color: var(--color-gold);
  box-shadow: var(--shadow-card);
}

.service-card:hover::before {
  transform: scaleX(1);
}

.service-card__icon {
  width: 48px;
  height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--color-gold);
  border-radius: var(--radius-sm);
  margin-bottom: var(--spacing-sm);
  color: var(--color-gold);
  font-size: 1.25rem;
}

.service-card h3 {
  font-size: 1.35rem;
  margin-bottom: var(--spacing-xs);
}

/* --- Proje Kartları --- */
.projects-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: var(--spacing-md);
}

.project-card {
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid rgba(216, 181, 109, 0.15);
  border-radius: var(--radius-md);
  overflow: hidden;
  transition: all var(--transition);
}

.project-card--link {
  display: block;
  text-decoration: none;
  color: inherit;
}

.project-card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-card);
  border-color: rgba(216, 181, 109, 0.4);
}

.project-card__image {
  height: 240px;
  background-size: cover;
  background-position: center;
  position: relative;
  overflow: hidden;
}

/* Placeholder gradient görseller */
.project-card__image--konut {
  background: linear-gradient(135deg, #0a3d32 0%, #1a6b5a 50%, #d8b56d33 100%);
}

.project-card__image--villa {
  background: linear-gradient(135deg, #021d18 0%, #062f27 40%, #4a7c6f 100%);
}

.project-card__image--ticari {
  background: linear-gradient(135deg, #1a3a35 0%, #062f27 60%, #d8b56d44 100%);
}

.project-card__image--ic-mekan {
  background: linear-gradient(135deg, #3d2e1f 0%, #062f27 50%, #f2d99b33 100%);
}

.project-card__image::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(2, 29, 24, 0.7) 0%, transparent 50%);
}

.project-card__body {
  padding: var(--spacing-md);
}

.project-card__category {
  display: inline-block;
  font-size: 0.7rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--color-gold);
  margin-bottom: var(--spacing-xs);
}

.project-card h3 {
  font-size: 1.4rem;
  margin-bottom: var(--spacing-xs);
}

.project-card p {
  font-size: 0.9rem;
}

/* --- Filtre Butonları --- */
.filter-bar {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: var(--spacing-sm);
  margin-bottom: var(--spacing-lg);
}

.filter-btn {
  padding: 0.6rem 1.5rem;
  font-family: var(--font-body);
  font-size: 0.75rem;
  font-weight: 500;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  background: transparent;
  color: var(--color-gray-text);
  border: 1px solid rgba(216, 181, 109, 0.3);
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: all var(--transition);
}

.filter-btn:hover,
.filter-btn.active {
  background: var(--color-gold);
  color: var(--color-emerald-dark);
  border-color: var(--color-gold);
}

/* Filtre animasyonu */
.project-card.hidden {
  display: none;
}

.project-card.fade-in {
  animation: fadeIn 0.5s ease forwards;
}

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(16px); }
  to { opacity: 1; transform: translateY(0); }
}

/* --- Hakkımızda Kısa Bölüm --- */
.about-preview {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--spacing-lg);
  align-items: center;
}

.about-preview__image {
  height: 420px;
  border-radius: var(--radius-md);
  background: linear-gradient(145deg, var(--color-emerald) 0%, var(--color-emerald-dark) 50%, rgba(216, 181, 109, 0.2) 100%);
  border: 1px solid rgba(216, 181, 109, 0.25);
  position: relative;
}

.about-preview__image::after {
  content: "";
  position: absolute;
  bottom: -12px;
  right: -12px;
  width: 60%;
  height: 60%;
  border: 1px solid var(--color-gold);
  border-radius: var(--radius-md);
  z-index: -1;
}

.about-preview__content h2 {
  font-size: clamp(1.8rem, 3vw, 2.5rem);
  margin-bottom: var(--spacing-sm);
}

.about-preview__content p {
  margin-bottom: var(--spacing-sm);
}

/* --- Misyon / Vizyon / Değerler --- */
.mvv-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: var(--spacing-md);
}

.mvv-card {
  padding: var(--spacing-md);
  border: 1px solid rgba(216, 181, 109, 0.2);
  border-radius: var(--radius-md);
  background: rgba(255, 255, 255, 0.03);
  transition: all var(--transition);
}

.mvv-card:hover {
  border-color: var(--color-gold);
  transform: translateY(-4px);
}

.mvv-card h3 {
  font-size: 1.5rem;
  color: var(--color-gold-light);
  margin-bottom: var(--spacing-sm);
}

/* --- Süreç Adımları --- */
.process-steps {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: var(--spacing-md);
  counter-reset: step;
}

.process-step {
  text-align: center;
  padding: var(--spacing-md);
  position: relative;
}

.process-step::before {
  counter-increment: step;
  content: counter(step, decimal-leading-zero);
  display: flex;
  align-items: center;
  justify-content: center;
  width: 56px;
  height: 56px;
  margin: 0 auto var(--spacing-sm);
  border: 1px solid var(--color-gold);
  border-radius: 50%;
  font-family: var(--font-heading);
  font-size: 1.25rem;
  color: var(--color-gold);
  transition: all var(--transition);
}

.process-step:hover::before {
  background: var(--color-gold);
  color: var(--color-emerald-dark);
}

.process-step h4 {
  font-size: 1.1rem;
  margin-bottom: var(--spacing-xs);
  color: var(--color-gold-light);
}

.section--cream .process-step h4 {
  color: var(--color-emerald-dark);
}

.section--cream .process-step::before {
  color: var(--color-emerald);
  border-color: var(--color-emerald);
}

.section--cream .process-step:hover::before {
  background: var(--color-emerald);
  color: var(--color-cream);
}

/* --- İletişim --- */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--spacing-lg);
}

.contact-info__item {
  display: flex;
  align-items: flex-start;
  gap: var(--spacing-sm);
  margin-bottom: var(--spacing-md);
  padding-bottom: var(--spacing-md);
  border-bottom: 1px solid rgba(216, 181, 109, 0.15);
}

.contact-info__icon {
  width: 44px;
  height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--color-gold);
  border-radius: var(--radius-sm);
  color: var(--color-gold);
  flex-shrink: 0;
}

.contact-info__item h4 {
  font-size: 0.8rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-gold);
  margin-bottom: 4px;
}

.contact-info__item a:hover {
  color: var(--color-gold-light);
}

/* Form */
.contact-form {
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(216, 181, 109, 0.2);
  border-radius: var(--radius-md);
  padding: var(--spacing-md);
}

.form-group {
  margin-bottom: var(--spacing-sm);
}

.form-group label {
  display: block;
  font-size: 0.75rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-gold);
  margin-bottom: 6px;
}

.form-group input,
.form-group textarea,
.form-group select {
  width: 100%;
  padding: 0.875rem 1rem;
  font-family: var(--font-body);
  font-size: 0.9rem;
  color: var(--color-cream);
  background: rgba(2, 29, 24, 0.6);
  border: 1px solid rgba(216, 181, 109, 0.25);
  border-radius: var(--radius-sm);
  transition: border-color var(--transition);
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
  outline: none;
  border-color: var(--color-gold);
}

.form-group textarea {
  min-height: 140px;
  resize: vertical;
}

/* Harita placeholder */
.map-placeholder {
  height: 350px;
  border-radius: var(--radius-md);
  border: 1px solid rgba(216, 181, 109, 0.2);
  background:
    linear-gradient(135deg, rgba(6, 47, 39, 0.9), rgba(2, 29, 24, 0.95)),
    repeating-linear-gradient(
      0deg,
      transparent,
      transparent 29px,
      rgba(216, 181, 109, 0.08) 29px,
      rgba(216, 181, 109, 0.08) 30px
    ),
    repeating-linear-gradient(
      90deg,
      transparent,
      transparent 29px,
      rgba(216, 181, 109, 0.08) 29px,
      rgba(216, 181, 109, 0.08) 30px
    );
  display: flex;
  align-items: center;
  justify-content: center;
  margin-top: var(--spacing-lg);
}

.map-placeholder__content {
  text-align: center;
}

.map-placeholder__pin {
  font-size: 2.5rem;
  margin-bottom: var(--spacing-xs);
}

/* --- Footer --- */
.footer {
  background: var(--color-emerald-dark);
  border-top: 1px solid rgba(216, 181, 109, 0.2);
  padding: var(--spacing-lg) 0 var(--spacing-md);
}

.footer__grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: var(--spacing-lg);
  margin-bottom: var(--spacing-lg);
}

.footer__brand p {
  margin-top: var(--spacing-sm);
  max-width: 320px;
  font-size: 0.9rem;
}

.footer h4 {
  font-size: 0.85rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--color-gold);
  margin-bottom: var(--spacing-sm);
}

.footer__links li {
  margin-bottom: 0.5rem;
}

.footer__links a {
  font-size: 0.9rem;
  color: var(--color-gray-text);
}

.footer__links a:hover {
  color: var(--color-gold-light);
}

.footer__contact li {
  font-size: 0.9rem;
  color: var(--color-gray-text);
  margin-bottom: 0.5rem;
}

.footer__bottom {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  align-items: center;
  gap: var(--spacing-sm);
  padding-top: var(--spacing-md);
  border-top: 1px solid rgba(216, 181, 109, 0.1);
  font-size: 0.8rem;
  color: var(--color-gray-text);
}

.footer__credit {
  font-size: 0.75rem;
  letter-spacing: 0.04em;
  color: var(--color-gray-text);
  transition: color var(--transition);
}

.footer__credit:hover {
  color: var(--color-gold-light);
}

/* --- WhatsApp Sabit Buton --- */
.whatsapp-float {
  position: fixed;
  bottom: 28px;
  right: 28px;
  z-index: 999;
  width: 58px;
  height: 58px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: #25d366;
  color: var(--color-white);
  border-radius: 50%;
  box-shadow: 0 6px 24px rgba(37, 211, 102, 0.4);
  transition: all var(--transition);
}

.whatsapp-float:hover {
  transform: scale(1.1);
  box-shadow: 0 8px 32px rgba(37, 211, 102, 0.55);
}

.whatsapp-float svg {
  width: 30px;
  height: 30px;
  fill: currentColor;
}

/* --- Responsive --- */
@media (max-width: 992px) {
  .about-preview {
    grid-template-columns: 1fr;
  }

  .about-preview__image {
    height: 300px;
  }

  .contact-grid {
    grid-template-columns: 1fr;
  }

  .footer__grid {
    grid-template-columns: 1fr 1fr;
  }
}

@media (max-width: 768px) {
  :root {
    --spacing-lg: 3rem;
    --spacing-xl: 4rem;
    --topbar-row-height: 26px;
  }

  .site-header__inner {
    grid-template-columns: 1fr;
    row-gap: 0.4rem;
  }

  .topbar__phone,
  .topbar__address {
    grid-column: 1;
    justify-self: start;
    max-width: 100%;
    padding-left: 0;
  }

  .topbar__address {
    grid-row: 2;
    font-size: 0.68rem;
    white-space: normal;
    line-height: 1.35;
  }

  .topbar__phone {
    grid-row: 1;
  }

  .site-header__divider {
    grid-row: 3;
  }

  .logo {
    grid-row: 4;
  }

  .navbar {
    grid-column: 1;
    grid-row: 5;
    justify-content: space-between;
    width: 100%;
    height: auto;
    min-height: 56px;
    padding-left: 0;
  }

  .hamburger {
    display: flex;
  }

  .nav-menu {
    position: fixed;
    top: 0;
    right: -100%;
    width: min(320px, 85vw);
    height: 100vh;
    flex-direction: column;
    justify-content: center;
    gap: 2rem;
    background: var(--color-emerald-dark);
    border-left: 1px solid rgba(216, 181, 109, 0.2);
    padding: var(--spacing-md);
    transition: right var(--transition);
  }

  .nav-menu.active {
    right: 0;
  }

  .nav-menu__link {
    font-size: 0.9rem;
  }

  .nav-menu__contact-wrap {
    flex-direction: column;
    align-items: center;
    gap: 1rem;
  }

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

  .footer__grid {
    grid-template-columns: 1fr;
  }

  .footer__bottom {
    flex-direction: column;
    text-align: center;
  }

  .projects-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 480px) {
  .logo__brand {
    font-size: 1.35rem;
  }

  .logo__img {
    height: 48px;
    max-width: 150px;
  }

  .logo__tagline {
    font-size: 0.55rem;
  }

  .filter-bar {
    gap: 0.5rem;
  }

  .filter-btn {
    padding: 0.5rem 1rem;
    font-size: 0.7rem;
  }
}

/* --- Proje Detay Sayfası --- */
.project-detail {
  padding: calc(var(--site-header-height) + var(--spacing-md)) 0 var(--spacing-xl);
}

.project-detail__breadcrumb {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.8rem;
  margin-bottom: var(--spacing-md);
  color: var(--color-gray-text);
}

.project-detail__breadcrumb a:hover {
  color: var(--color-gold-light);
}

.project-detail__hero {
  height: clamp(280px, 45vw, 520px);
  border-radius: var(--radius-md);
  border: 1px solid rgba(216, 181, 109, 0.2);
  margin-bottom: var(--spacing-md);
}

.project-detail__header {
  margin-bottom: var(--spacing-md);
}

.project-detail__header h1 {
  font-size: clamp(2rem, 4vw, 3rem);
  margin: 0.5rem 0;
}

.project-detail__summary {
  font-size: 1.05rem;
  max-width: 720px;
}

.project-detail__meta {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
  gap: var(--spacing-sm);
  margin-bottom: var(--spacing-lg);
  padding: var(--spacing-md);
  border: 1px solid rgba(216, 181, 109, 0.2);
  border-radius: var(--radius-md);
  background: rgba(255, 255, 255, 0.03);
}

.project-detail__meta-label {
  display: block;
  font-size: 0.7rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-gold);
  margin-bottom: 0.25rem;
}

.project-detail__meta-value {
  font-size: 0.95rem;
  color: var(--color-cream);
}

.project-detail__content {
  display: grid;
  grid-template-columns: 1fr 320px;
  gap: var(--spacing-lg);
  margin-bottom: var(--spacing-lg);
}

.project-detail__text h2,
.project-detail__gallery h2 {
  font-size: 1.75rem;
  margin-bottom: var(--spacing-sm);
}

.project-detail__text p {
  margin-bottom: var(--spacing-sm);
}

.project-detail__features {
  margin-top: var(--spacing-sm);
}

.project-detail__features li {
  position: relative;
  padding-left: 1.25rem;
  margin-bottom: 0.5rem;
  color: var(--color-gray-text);
}

.project-detail__features li::before {
  content: "◆";
  position: absolute;
  left: 0;
  color: var(--color-gold);
  font-size: 0.6rem;
  top: 0.35rem;
}

.project-detail__info-card {
  padding: var(--spacing-md);
  border: 1px solid rgba(216, 181, 109, 0.2);
  border-radius: var(--radius-md);
  background: rgba(255, 255, 255, 0.04);
  position: sticky;
  top: calc(var(--site-header-height) + 1rem);
}

.project-detail__info-card h3 {
  font-size: 1.2rem;
  margin-bottom: var(--spacing-sm);
  color: var(--color-gold-light);
}

.project-detail__info-card li {
  padding: 0.5rem 0;
  border-bottom: 1px solid rgba(216, 181, 109, 0.1);
  font-size: 0.9rem;
  color: var(--color-gray-text);
}

.project-detail__gallery-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--spacing-sm);
}

.project-detail__gallery-item {
  height: 200px;
  border-radius: var(--radius-md);
  border: 1px solid rgba(216, 181, 109, 0.15);
}

.project-detail__actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--spacing-sm);
  margin-top: var(--spacing-lg);
}

@media (max-width: 992px) {
  .project-detail__content {
    grid-template-columns: 1fr;
  }

  .project-detail__info-card {
    position: static;
  }

  .project-detail__gallery-grid {
    grid-template-columns: 1fr;
  }
}