/* =========================================================================
   GulerMetSan — Modern Dark Industrial Theme
   ========================================================================= */

/* --- Design Tokens --- */
:root {
  --bg-primary: #0a0a0f;
  --bg-secondary: #12121a;
  --bg-card: rgba(255, 255, 255, 0.04);
  --bg-glass: rgba(10, 10, 15, 0.75);
  --accent: #3a7bd5;
  --accent-light: #5a9bf5;
  --accent-warm: #e27141;
  --accent-warm-light: #f08c5e;
  --text-primary: #f0f0f5;
  --text-secondary: #a0a0b0;
  --text-muted: #6a6a7a;
  --border-subtle: rgba(255, 255, 255, 0.08);
  --border-accent: rgba(58, 123, 213, 0.3);
  --gradient-hero: linear-gradient(135deg, rgba(58, 123, 213, 0.15) 0%, rgba(226, 113, 65, 0.10) 100%);
  --gradient-accent: linear-gradient(135deg, #3a7bd5 0%, #2a6bc5 100%);
  --gradient-warm: linear-gradient(135deg, #e27141 0%, #d06030 100%);
  --shadow-card: 0 8px 32px rgba(0, 0, 0, 0.3);
  --shadow-glow: 0 0 30px rgba(58, 123, 213, 0.15);
  --radius-sm: 8px;
  --radius-md: 16px;
  --radius-lg: 24px;
  --radius-xl: 32px;
  --font-body: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --transition-fast: 0.2s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-smooth: 0.4s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-spring: 0.5s cubic-bezier(0.34, 1.56, 0.64, 1);
}

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

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

body {
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.7;
  color: var(--text-primary);
  background-color: var(--bg-primary);
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

a {
  color: var(--accent-light);
  text-decoration: none;
  transition: color var(--transition-fast);
}

a:hover {
  color: var(--accent-warm);
}

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

ul,
ol {
  list-style: none;
}

h1,
h2,
h3,
h4,
h5,
h6 {
  font-weight: 700;
  line-height: 1.2;
  color: var(--text-primary);
}

p {
  color: var(--text-secondary);
  margin-bottom: 1rem;
}

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

/* --- Utility --- */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}

.section-padding {
  padding: 100px 0;
}

.section-title {
  font-size: clamp(2rem, 5vw, 3rem);
  font-weight: 800;
  margin-bottom: 1rem;
  position: relative;
  display: inline-block;
}

.section-title::after {
  content: '';
  position: absolute;
  bottom: -8px;
  left: 0;
  width: 60px;
  height: 4px;
  background: var(--gradient-accent);
  border-radius: 2px;
}

.section-title--center {
  text-align: center;
  display: block;
}

.section-title--center::after {
  left: 50%;
  transform: translateX(-50%);
}

.section-subtitle {
  font-size: 1.1rem;
  color: var(--text-secondary);
  max-width: 700px;
  line-height: 1.8;
}

.section-subtitle--center {
  text-align: center;
  margin: 0 auto;
}

.text-indent {
  text-indent: 2em;
}

/* --- Buttons --- */
.btn-primary {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 32px;
  font-size: 1rem;
  font-weight: 600;
  color: #fff;
  background: var(--gradient-accent);
  border: none;
  border-radius: var(--radius-xl);
  cursor: pointer;
  transition: all var(--transition-smooth);
  text-decoration: none;
  position: relative;
  overflow: hidden;
}

.btn-primary::before {
  content: '';
  position: absolute;
  inset: 0;
  background: rgba(255, 255, 255, 0.1);
  opacity: 0;
  transition: opacity var(--transition-fast);
}

.btn-primary:hover {
  color: #fff;
  transform: translateY(-2px);
  box-shadow: 0 8px 25px rgba(58, 123, 213, 0.35);
}

.btn-primary:hover::before {
  opacity: 1;
}

.btn-outline {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 32px;
  font-size: 1rem;
  font-weight: 600;
  color: var(--text-primary);
  background: transparent;
  border: 2px solid var(--border-subtle);
  border-radius: var(--radius-xl);
  cursor: pointer;
  transition: all var(--transition-smooth);
  text-decoration: none;
}

.btn-outline:hover {
  color: #fff;
  border-color: var(--accent);
  background: rgba(58, 123, 213, 0.1);
  transform: translateY(-2px);
}

.btn-warm {
  background: var(--gradient-warm);
}

.btn-warm:hover {
  box-shadow: 0 8px 25px rgba(226, 113, 65, 0.35);
}

/* --- Navigation --- */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  padding: 16px 0;
  transition: all var(--transition-smooth);
}

.navbar.scrolled {
  background: var(--bg-glass);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border-subtle);
  padding: 10px 0;
}

.navbar .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.navbar__logo img {
  height: 48px;
  width: auto;
  transition: transform var(--transition-smooth);
}

.navbar__logo img:hover {
  transform: scale(1.05);
}

.navbar__links {
  display: flex;
  align-items: center;
  gap: 8px;
}

.navbar__links a {
  color: var(--text-secondary);
  font-size: 0.95rem;
  font-weight: 500;
  padding: 8px 20px;
  border-radius: var(--radius-xl);
  transition: all var(--transition-fast);
  text-decoration: none;
}

.navbar__links a:hover,
.navbar__links a.active {
  color: #fff;
  background: rgba(255, 255, 255, 0.08);
}

.navbar__links a.active {
  background: rgba(58, 123, 213, 0.15);
  color: var(--accent-light);
}

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

.navbar__toggle span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--text-primary);
  border-radius: 2px;
  transition: all var(--transition-fast);
}

/* --- Hero Section --- */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}

.hero__bg {
  position: absolute;
  inset: 0;
  z-index: 0;
}

.hero__bg img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.hero__overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg,
      rgba(10, 10, 15, 0.5) 0%,
      rgba(10, 10, 15, 0.7) 50%,
      rgba(10, 10, 15, 0.95) 100%);
  z-index: 1;
}

.hero__content {
  position: relative;
  z-index: 2;
  text-align: center;
  max-width: 800px;
  padding: 0 24px;
}

.hero__badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 20px;
  border-radius: var(--radius-xl);
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--accent-light);
  margin-bottom: 24px;
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

.hero__title {
  font-size: clamp(2.5rem, 7vw, 4.5rem);
  font-weight: 900;
  line-height: 1.1;
  margin-bottom: 24px;
  background: linear-gradient(135deg, #ffffff 0%, #c0c0d0 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero__text {
  font-size: 1.15rem;
  color: var(--text-secondary);
  line-height: 1.8;
  margin-bottom: 40px;
  max-width: 600px;
  margin-left: auto;
  margin-right: auto;
}

.hero__buttons {
  display: flex;
  gap: 16px;
  justify-content: center;
  flex-wrap: wrap;
}

/* Scroll indicator */
.hero__scroll {
  position: absolute;
  bottom: 40px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 2;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  color: var(--text-muted);
  font-size: 0.8rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  animation: scrollBounce 2s infinite;
}

.hero__scroll-dot {
  width: 20px;
  height: 32px;
  border: 2px solid var(--text-muted);
  border-radius: 12px;
  position: relative;
}

.hero__scroll-dot::after {
  content: '';
  position: absolute;
  top: 6px;
  left: 50%;
  transform: translateX(-50%);
  width: 4px;
  height: 8px;
  background: var(--accent);
  border-radius: 2px;
  animation: scrollDot 2s infinite;
}

@keyframes scrollBounce {

  0%,
  100% {
    transform: translateX(-50%) translateY(0);
  }

  50% {
    transform: translateX(-50%) translateY(8px);
  }
}

@keyframes scrollDot {

  0%,
  100% {
    opacity: 1;
    top: 6px;
  }

  50% {
    opacity: 0.3;
    top: 14px;
  }
}

/* --- Page Hero (non-home pages) --- */
.page-hero {
  position: relative;
  padding: 160px 0 80px;
  text-align: center;
  overflow: hidden;
  background: var(--bg-secondary);
}

.page-hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse at center top, rgba(58, 123, 213, 0.12) 0%, transparent 70%);
}

.page-hero__title {
  font-size: clamp(2rem, 5vw, 3.5rem);
  font-weight: 900;
  position: relative;
  z-index: 1;
  background: linear-gradient(135deg, #ffffff 0%, #c0c0d0 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.page-hero__breadcrumb {
  position: relative;
  z-index: 1;
  display: flex;
  justify-content: center;
  gap: 8px;
  margin-top: 16px;
  font-size: 0.9rem;
  color: var(--text-muted);
}

.page-hero__breadcrumb a {
  color: var(--text-secondary);
}

.page-hero__breadcrumb span {
  color: var(--accent-light);
}

/* --- Services Section --- */
.services {
  background: var(--bg-primary);
}

.services__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
  margin-top: 60px;
}

.service-card {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  transition: all var(--transition-smooth);
  group: true;
}

.service-card:hover {
  transform: translateY(-8px);
  border-color: var(--border-accent);
  box-shadow: var(--shadow-card), var(--shadow-glow);
}

.service-card__image {
  position: relative;
  height: 280px;
  overflow: hidden;
}

.service-card__image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--transition-smooth);
}

.service-card:hover .service-card__image img {
  transform: scale(1.08);
}

.service-card__image::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, transparent 40%, rgba(10, 10, 15, 0.8) 100%);
  transition: opacity var(--transition-smooth);
}

.service-card__body {
  padding: 24px;
  text-align: center;
}

.service-card__title {
  font-size: 1.2rem;
  font-weight: 700;
  margin-bottom: 0;
}

.service-card__title a {
  color: var(--text-primary);
  text-decoration: none;
  transition: color var(--transition-fast);
}

.service-card__title a:hover {
  color: var(--accent-light);
}

/* --- About Section --- */
.about {
  background: var(--bg-secondary);
}

.about__grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
}

.about__content {
  padding-right: 20px;
}

.about__text {
  font-size: 1.05rem;
  color: var(--text-secondary);
  line-height: 1.9;
  margin-bottom: 2rem;
}

.about__image {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
}

.about__image img {
  width: 100%;
  height: auto;
  border-radius: var(--radius-lg);
  transition: transform var(--transition-smooth);
}

.about__image:hover img {
  transform: scale(1.03);
}

.about__image::before {
  content: '';
  position: absolute;
  inset: -2px;
  background: var(--gradient-accent);
  border-radius: var(--radius-lg);
  z-index: -1;
  opacity: 0;
  transition: opacity var(--transition-smooth);
}

.about__image:hover::before {
  opacity: 1;
}

/* --- Why Choose Us --- */
.choose {
  background: var(--bg-primary);
}

.choose__features {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 32px;
  margin-top: 60px;
}

.feature-card {
  padding: 32px;
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  transition: all var(--transition-smooth);
}

.feature-card:hover {
  border-color: var(--border-accent);
  transform: translateY(-4px);
  box-shadow: var(--shadow-card);
}

.feature-card__icon {
  width: 56px;
  height: 56px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-md);
  margin-bottom: 20px;
  color: var(--accent-light);
}

.feature-card__icon svg {
  width: 28px;
  height: 28px;
}

.feature-card__title {
  font-size: 1.15rem;
  font-weight: 700;
  margin-bottom: 12px;
}

.feature-card__text {
  color: var(--text-secondary);
  font-size: 0.95rem;
  line-height: 1.7;
}

/* --- CTA Banner --- */
.cta-banner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 32px;
  padding: 40px 48px;
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-xl);
  margin-top: 80px;
}

.cta-banner__title {
  font-size: 1.6rem;
  font-weight: 800;
  white-space: nowrap;
}

/* --- Contact Info Cards--- */
.contact-info {
  background: var(--bg-secondary);
}

.contact-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 24px;
  margin-top: 60px;
}

.contact-card {
  display: flex;
  align-items: flex-start;
  gap: 16px;
  padding: 28px;
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  transition: all var(--transition-smooth);
  text-decoration: none;
}

.contact-card:hover {
  border-color: var(--border-accent);
  transform: translateY(-3px);
  box-shadow: var(--shadow-card);
}

.contact-card__icon {
  width: 48px;
  height: 48px;
  min-width: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-sm);
  color: var(--accent-light);
}

.contact-card__icon svg {
  width: 22px;
  height: 22px;
}

.contact-card__label {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 4px;
}

.contact-card__value {
  color: var(--text-primary);
  font-size: 0.95rem;
  line-height: 1.5;
}

/* --- Map Section --- */
.map-section {
  padding: 0;
}

.map-section iframe {
  width: 100%;
  height: 400px;
  border: none;
  display: block;
  filter: grayscale(0.5) brightness(0.8);
  transition: filter var(--transition-smooth);
}

.map-section iframe:hover {
  filter: grayscale(0) brightness(1);
}

/* --- Footer --- */
.footer {
  background: var(--bg-secondary);
  border-top: 1px solid var(--border-subtle);
  padding: 80px 0 0;
}

.footer__grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: 60px;
}

.footer__brand p {
  color: var(--text-secondary);
  margin-top: 16px;
  font-size: 0.95rem;
  line-height: 1.7;
}

.footer__heading {
  font-size: 1rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--text-primary);
  margin-bottom: 20px;
}

.footer__links {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.footer__links a {
  color: var(--text-secondary);
  font-size: 0.95rem;
  transition: all var(--transition-fast);
  display: flex;
  align-items: center;
  gap: 8px;
}

.footer__links a:hover {
  color: var(--accent-light);
  transform: translateX(4px);
}

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

.footer__social a {
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-sm);
  color: var(--text-secondary);
  transition: all var(--transition-fast);
}

.footer__social a:hover {
  color: #fff;
  background: var(--accent);
  border-color: var(--accent);
  transform: translateY(-2px);
}

.footer__social a svg {
  width: 18px;
  height: 18px;
}

.footer__bottom {
  border-top: 1px solid var(--border-subtle);
  padding: 24px 0;
  margin-top: 60px;
  text-align: center;
}

.footer__copy {
  font-size: 0.9rem;
  color: var(--text-muted);
}

/* --- Scroll Animations --- */
.fade-up {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.6s ease-out, transform 0.6s ease-out;
}

.fade-up.visible {
  opacity: 1;
  transform: translateY(0);
}

.fade-up-delay-1 {
  transition-delay: 0.1s;
}

.fade-up-delay-2 {
  transition-delay: 0.2s;
}

.fade-up-delay-3 {
  transition-delay: 0.3s;
}

/* --- About Page Specific --- */
.about-full {
  background: var(--bg-primary);
}

.about-full__content {
  max-width: 800px;
}

.about-full__text {
  font-size: 1.05rem;
  color: var(--text-secondary);
  line-height: 1.9;
  margin-bottom: 1.5rem;
}

/* --- Services page detail text --- */
.services-detail {
  background: var(--bg-secondary);
}

.services-detail__text {
  max-width: 800px;
  font-size: 1.05rem;
  color: var(--text-secondary);
  line-height: 1.9;
  margin-bottom: 2rem;
}

.services-detail__text a {
  color: var(--accent-light);
  border-bottom: 1px solid transparent;
  transition: border-color var(--transition-fast);
}

.services-detail__text a:hover {
  border-bottom-color: var(--accent-light);
}

/* --- Logo --- */
.logo-img {
  height: 48px;
  width: auto;
}

/* --- Contact Form --- */
.contact-form-section {
  max-width: 700px;
  margin: 0 auto;
}

.contact-form {
  margin-top: 40px;
}

.form-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.form-label {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.form-input {
  width: 100%;
  padding: 14px 18px;
  font-family: var(--font-body);
  font-size: 0.95rem;
  color: var(--text-primary);
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  outline: none;
  transition: all var(--transition-fast);
}

.form-input::placeholder {
  color: var(--text-muted);
}

.form-input:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(58, 123, 213, 0.15);
}

.form-textarea {
  resize: vertical;
  min-height: 120px;
}

.form-error {
  font-size: 0.8rem;
  color: #e25555;
}

/* --- Alerts --- */
.alert {
  padding: 16px 24px;
  border-radius: var(--radius-md);
  font-size: 0.95rem;
  text-align: center;
}

.alert--success {
  background: rgba(46, 160, 67, 0.12);
  border: 1px solid rgba(46, 160, 67, 0.3);
  color: #56d364;
}

.alert--error {
  background: rgba(226, 85, 85, 0.12);
  border: 1px solid rgba(226, 85, 85, 0.3);
  color: #e25555;
}

@media (max-width: 768px) {
  .form-grid {
    grid-template-columns: 1fr;
  }
}

/* =========================================================================
   GulerMetSan — Responsive Breakpoints (Mobile-First)
   ========================================================================= */

/* --- Tablet & below (max 992px) --- */
@media (max-width: 992px) {
  .navbar__links {
    position: fixed;
    top: 0;
    right: -100%;
    width: 280px;
    height: 100vh;
    background: var(--bg-secondary);
    border-left: 1px solid var(--border-subtle);
    flex-direction: column;
    justify-content: center;
    gap: 8px;
    padding: 40px 24px;
    transition: right var(--transition-smooth);
    z-index: 1000;
  }

  .navbar__links.open {
    right: 0;
  }

  .navbar__links a {
    font-size: 1.1rem;
    padding: 12px 20px;
    width: 100%;
    text-align: center;
  }

  .navbar__toggle {
    display: flex;
  }

  .navbar__overlay {
    display: none;
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.5);
    z-index: 999;
  }

  .navbar__overlay.open {
    display: block;
  }

  /* Hero */
  .hero__title {
    font-size: clamp(2rem, 6vw, 3rem);
  }

  .hero__text {
    font-size: 1rem;
  }

  /* About grid */
  .about__grid {
    grid-template-columns: 1fr;
    gap: 40px;
  }

  .about__content {
    padding-right: 0;
  }

  /* Services grid */
  .services__grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 24px;
  }

  /* Choose features */
  .choose__features {
    grid-template-columns: 1fr;
  }

  /* CTA Banner */
  .cta-banner {
    flex-direction: column;
    text-align: center;
    padding: 32px;
  }

  .cta-banner__title {
    white-space: normal;
    font-size: 1.3rem;
  }

  /* Footer */
  .footer__grid {
    grid-template-columns: 1fr;
    gap: 40px;
  }
}

/* --- Mobile (max 768px) --- */
@media (max-width: 768px) {
  .section-padding {
    padding: 60px 0;
  }

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

  .service-card__image {
    height: 220px;
  }

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

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

  .page-hero {
    padding: 120px 0 60px;
  }

  .map-section iframe {
    height: 300px;
  }

  .footer__bottom {
    margin-top: 40px;
  }
}

/* --- Small Mobile (max 480px) --- */
@media (max-width: 480px) {
  .container {
    padding: 0 16px;
  }

  .hero__badge {
    font-size: 0.75rem;
    padding: 6px 14px;
  }

  .section-title {
    font-size: 1.75rem;
  }

  .btn-primary,
  .btn-outline {
    padding: 12px 24px;
    font-size: 0.9rem;
    width: 100%;
    justify-content: center;
  }

  .feature-card {
    padding: 24px;
  }

  .contact-card {
    padding: 20px;
  }
}