/* ============================================
   TAŞ NAKLİYAT - MAIN STYLESHEET
   Mobile-First | BEM Naming
   ============================================ */

/* --- CSS Variables --- */
:root {
  --color-primary: #0f172a;
  --color-primary-light: #1e293b;
  --color-accent: #f97316;
  --color-accent-hover: #ea580c;
  --color-light: #f8fafc;
  --color-white: #ffffff;
  --color-gray: #64748b;
  --color-gray-light: #e2e8f0;
  --color-text: #334155;
  --color-heading: #0f172a;
  --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.08);
  --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.1);
  --shadow-lg: 0 8px 30px rgba(0, 0, 0, 0.12);
  --radius: 12px;
  --radius-sm: 8px;
  --transition: 0.3s ease;
  --max-width: 1200px;
}

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

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

body {
  font-family: 'Segoe UI', system-ui, -apple-system, sans-serif;
  color: var(--color-text);
  background: var(--color-white);
  line-height: 1.6;
  overflow-x: hidden;
}

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

ul {
  list-style: none;
}

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

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

/* --- Section Base --- */
.section {
  padding: 3rem 0;
}

.section__title {
  font-size: 1.75rem;
  color: var(--color-heading);
  text-align: center;
  margin-bottom: 0.5rem;
  font-weight: 700;
}

.section__subtitle {
  text-align: center;
  color: var(--color-gray);
  margin-bottom: 2.5rem;
  font-size: 1rem;
}

/* --- Buttons --- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.75rem 1.75rem;
  border-radius: var(--radius-sm);
  font-size: 1rem;
  font-weight: 600;
  border: none;
  cursor: pointer;
  transition: all var(--transition);
}

.btn--primary {
  background: var(--color-accent);
  color: var(--color-white);
}

.btn--primary:hover {
  background: var(--color-accent-hover);
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

.btn--outline {
  background: transparent;
  color: var(--color-white);
  border: 2px solid var(--color-white);
}

.btn--outline:hover {
  background: var(--color-white);
  color: var(--color-primary);
}

/* ============================================
   HEADER / NAVBAR
   ============================================ */
.header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 1000;
  background: transparent;
  transition: all var(--transition);
}

.header--scrolled {
  background: var(--color-primary);
  box-shadow: var(--shadow-md);
}

.header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1rem;
  max-width: var(--max-width);
  margin: 0 auto;
}

.header__logo {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 1.35rem;
  font-weight: 700;
  color: var(--color-white);
}

.header__logo-icon {
  width: 40px;
  height: 40px;
  background: var(--color-accent);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.2rem;
}

.header__logo span {
  color: var(--color-accent);
}

/* Nav */
.nav {
  display: none;
  position: fixed;
  top: 0;
  right: 0;
  width: 280px;
  height: 100vh;
  background: var(--color-primary);
  padding: 5rem 2rem 2rem;
  flex-direction: column;
  gap: 0.25rem;
  z-index: 999;
  transform: translateX(100%);
  transition: transform var(--transition);
}

.nav--open {
  display: flex;
  transform: translateX(0);
}

.nav__link {
  color: var(--color-white);
  padding: 0.75rem 0;
  font-size: 1.05rem;
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
  transition: color var(--transition);
}

.nav__link:hover,
.nav__link--active {
  color: var(--color-accent);
}

.nav__overlay {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.5);
  z-index: 998;
}

.nav__overlay--visible {
  display: block;
}

/* Hamburger */
.hamburger {
  display: flex;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
  z-index: 1001;
}

.hamburger__line {
  width: 26px;
  height: 3px;
  background: var(--color-white);
  border-radius: 2px;
  transition: all var(--transition);
}

.hamburger--active .hamburger__line:nth-child(1) {
  transform: rotate(45deg) translate(5px, 6px);
}

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

.hamburger--active .hamburger__line:nth-child(3) {
  transform: rotate(-45deg) translate(5px, -6px);
}

/* ============================================
   HERO SLIDER
   ============================================ */
.hero {
  position: relative;
  width: 100%;
  height: 75vh;
  min-height: 400px;
  max-height: 650px;
  overflow: hidden;
}

.hero__slides {
  display: flex;
  height: 100%;
  transition: transform 0.6s ease;
}

.hero__slide {
  position: relative;
  flex-shrink: 0;
  height: 100%;
  overflow: hidden;
}

.hero__slide-img {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
}

.hero__slide-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: 2;
  background: linear-gradient(135deg, rgba(15, 23, 42, 0.75) 0%, rgba(15, 23, 42, 0.4) 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 2rem 1rem;
}

.hero__content {
  position: relative;
  z-index: 3;
  max-width: 650px;
  width: 90%;
  color: var(--color-white);
}

.hero__badge {
  display: inline-block;
  background: var(--color-accent);
  color: var(--color-white);
  padding: 0.35rem 1rem;
  border-radius: 50px;
  font-size: 0.85rem;
  font-weight: 600;
  margin-bottom: 1rem;
  letter-spacing: 0.5px;
}

.hero__title {
  font-size: 2rem;
  font-weight: 800;
  line-height: 1.2;
  margin-bottom: 1rem;
}

.hero__desc {
  font-size: 1rem;
  opacity: 0.9;
  margin-bottom: 1.5rem;
  line-height: 1.7;
}

.hero__buttons {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  justify-content: center;
}

/* Slider Controls */
.hero__controls {
  position: absolute;
  bottom: 1.5rem;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  gap: 0.5rem;
  z-index: 10;
}

.hero__dot {
  width: 12px;
  height: 12px;
  border-radius: 50%;
  border: 2px solid var(--color-white);
  background: transparent;
  cursor: pointer;
  transition: all var(--transition);
}

.hero__dot--active {
  background: var(--color-accent);
  border-color: var(--color-accent);
}

.hero__arrow {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  background: rgba(255, 255, 255, 0.15);
  backdrop-filter: blur(4px);
  border: none;
  color: var(--color-white);
  width: 44px;
  height: 44px;
  border-radius: 50%;
  font-size: 1.2rem;
  cursor: pointer;
  z-index: 10;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all var(--transition);
}

.hero__arrow:hover {
  background: var(--color-accent);
}

.hero__arrow--prev {
  left: 0.75rem;
}

.hero__arrow--next {
  right: 0.75rem;
}

/* ============================================
   ABOUT SECTION
   ============================================ */
.about__grid {
  display: grid;
  gap: 2rem;
}

.about__image {
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
}

.about__image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  min-height: 280px;
}

.about__text h3 {
  font-size: 1.1rem;
  color: var(--color-accent);
  margin-bottom: 0.5rem;
  font-weight: 600;
}

.about__text h2 {
  font-size: 1.5rem;
  color: var(--color-heading);
  margin-bottom: 1rem;
  line-height: 1.3;
}

.about__text p {
  margin-bottom: 1rem;
  color: var(--color-gray);
  line-height: 1.8;
}

.about__features {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.75rem;
  margin-top: 1.5rem;
}

.about__feature {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-weight: 500;
  color: var(--color-heading);
  font-size: 0.9rem;
}

.about__feature-icon {
  width: 32px;
  height: 32px;
  background: rgba(249, 115, 22, 0.1);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-accent);
  font-size: 0.85rem;
  flex-shrink: 0;
}

/* ============================================
   SERVICES
   ============================================ */
.services {
  background: var(--color-light);
}

.services__grid {
  display: grid;
  gap: 1.5rem;
}

.service-card {
  background: var(--color-white);
  border-radius: var(--radius);
  padding: 2rem 1.5rem;
  box-shadow: var(--shadow-sm);
  transition: all var(--transition);
  border: 1px solid var(--color-gray-light);
}

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

.service-card__icon {
  width: 56px;
  height: 56px;
  background: linear-gradient(135deg, var(--color-accent), #fb923c);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  margin-bottom: 1.25rem;
}

.service-card__title {
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--color-heading);
  margin-bottom: 0.5rem;
}

.service-card__desc {
  color: var(--color-gray);
  font-size: 0.95rem;
  line-height: 1.7;
}

/* ============================================
   WHY US / STATS
   ============================================ */
.why-us {
  background: var(--color-primary);
  color: var(--color-white);
}

.why-us .section__title {
  color: var(--color-white);
}

.why-us .section__subtitle {
  color: rgba(255, 255, 255, 0.7);
}

.why-us__grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.5rem;
}

.why-us__item {
  text-align: center;
  padding: 1.5rem 1rem;
  background: rgba(255, 255, 255, 0.05);
  border-radius: var(--radius);
  border: 1px solid rgba(255, 255, 255, 0.08);
}

.why-us__icon {
  font-size: 2rem;
  margin-bottom: 0.75rem;
}

.why-us__number {
  font-size: 2rem;
  font-weight: 800;
  color: var(--color-accent);
  margin-bottom: 0.25rem;
}

.why-us__label {
  font-size: 0.9rem;
  opacity: 0.85;
}

/* ============================================
   CTA BANNER
   ============================================ */
.cta {
  background: linear-gradient(135deg, var(--color-accent), #ea580c);
  padding: 3rem 0;
  text-align: center;
  color: var(--color-white);
}

.cta__title {
  font-size: 1.5rem;
  font-weight: 700;
  margin-bottom: 0.75rem;
}

.cta__desc {
  font-size: 1rem;
  opacity: 0.9;
  margin-bottom: 1.5rem;
  max-width: 550px;
  margin-left: auto;
  margin-right: auto;
}

.cta .btn--outline {
  border-color: var(--color-white);
  color: var(--color-white);
}

.cta .btn--outline:hover {
  background: var(--color-white);
  color: var(--color-accent);
}

/* ============================================
   FOOTER
   ============================================ */
.footer {
  background: var(--color-primary);
  color: rgba(255, 255, 255, 0.8);
  padding: 3rem 0 1.5rem;
}

.footer__grid {
  display: grid;
  gap: 2rem;
  margin-bottom: 2rem;
}

.footer__title {
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--color-white);
  margin-bottom: 1rem;
}

.footer__about p {
  font-size: 0.9rem;
  line-height: 1.8;
  margin-bottom: 1rem;
}

.footer__socials {
  display: flex;
  gap: 0.75rem;
}

.footer__social {
  width: 38px;
  height: 38px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.1);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-white);
  font-size: 0.9rem;
  transition: all var(--transition);
}

.footer__social:hover {
  background: var(--color-accent);
  transform: translateY(-3px);
}

.footer__links {
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
}

.footer__link {
  font-size: 0.9rem;
  transition: color var(--transition);
  display: flex;
  align-items: center;
  gap: 0.4rem;
}

.footer__link:hover {
  color: var(--color-accent);
}

.footer__contact-item {
  display: flex;
  align-items: flex-start;
  gap: 0.75rem;
  margin-bottom: 1rem;
  font-size: 0.9rem;
}

.footer__contact-icon {
  width: 36px;
  height: 36px;
  background: rgba(255, 255, 255, 0.1);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  font-size: 0.85rem;
}

.footer__bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  padding-top: 1.5rem;
  text-align: center;
  font-size: 0.85rem;
  opacity: 0.7;
}

/* ============================================
   PAGE BANNER (Inner Pages)
   ============================================ */
.page-banner {
  background: var(--color-primary);
  padding: 8rem 0 3rem;
  text-align: center;
  color: var(--color-white);
  position: relative;
  overflow: hidden;
}

.page-banner::before {
  content: '';
  position: absolute;
  top: -50%;
  right: -20%;
  width: 400px;
  height: 400px;
  background: rgba(249, 115, 22, 0.08);
  border-radius: 50%;
}

.page-banner__title {
  font-size: 2rem;
  font-weight: 800;
  margin-bottom: 0.5rem;
}

.page-banner__breadcrumb {
  font-size: 0.9rem;
  opacity: 0.7;
}

.page-banner__breadcrumb a {
  color: var(--color-accent);
  opacity: 1;
}

/* ============================================
   GALLERY PAGE
   ============================================ */
.gallery-tabs {
  display: flex;
  justify-content: center;
  gap: 0.5rem;
  margin-bottom: 2rem;
}

.gallery-tabs__btn {
  padding: 0.6rem 1.5rem;
  border: 2px solid var(--color-gray-light);
  background: var(--color-white);
  border-radius: 50px;
  font-size: 0.95rem;
  font-weight: 600;
  cursor: pointer;
  transition: all var(--transition);
  color: var(--color-text);
}

.gallery-tabs__btn--active {
  background: var(--color-accent);
  border-color: var(--color-accent);
  color: var(--color-white);
}

.gallery-tab-content {
  display: none;
}

.gallery-tab-content--active {
  display: block;
}

.gallery-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
}

.gallery-item {
  border-radius: var(--radius);
  overflow: hidden;
  cursor: pointer;
  position: relative;
  aspect-ratio: 4/3;
}

.gallery-item img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--transition);
}

.gallery-item:hover img {
  transform: scale(1.05);
}

.gallery-item__overlay {
  position: absolute;
  inset: 0;
  background: rgba(15, 23, 42, 0.4);
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  transition: opacity var(--transition);
}

.gallery-item:hover .gallery-item__overlay {
  opacity: 1;
}

.gallery-item__overlay span {
  color: var(--color-white);
  font-size: 1.5rem;
}

.video-grid {
  display: grid;
  gap: 1.5rem;
}

.video-card {
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  background: var(--color-white);
  border: 1px solid var(--color-gray-light);
}

.video-card__embed {
  position: relative;
  padding-bottom: 56.25%;
  height: 0;
}

.video-card__embed iframe,
.video-card__embed video {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  border: none;
  object-fit: cover;
  background: #000;
}

.video-card__info {
  padding: 1rem;
}

.video-card__title {
  font-size: 1rem;
  font-weight: 600;
  color: var(--color-heading);
}

/* Lightbox */
.lightbox {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.9);
  z-index: 2000;
  display: none;
  align-items: center;
  justify-content: center;
  padding: 1rem;
}

.lightbox--open {
  display: flex;
}

.lightbox__img {
  max-width: 90%;
  max-height: 85vh;
  border-radius: var(--radius-sm);
}

.lightbox__close {
  position: absolute;
  top: 1rem;
  right: 1rem;
  background: none;
  border: none;
  color: var(--color-white);
  font-size: 2rem;
  cursor: pointer;
}

.lightbox__arrow {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  background: rgba(255, 255, 255, 0.15);
  border: none;
  color: var(--color-white);
  width: 48px;
  height: 48px;
  border-radius: 50%;
  font-size: 1.3rem;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background var(--transition);
}

.lightbox__arrow:hover {
  background: var(--color-accent);
}

.lightbox__arrow--prev {
  left: 1rem;
}

.lightbox__arrow--next {
  right: 1rem;
}

/* ============================================
   CONTACT PAGE
   ============================================ */
.contact__grid {
  display: grid;
  gap: 2rem;
}

.contact-form {
  background: var(--color-white);
  padding: 2rem;
  border-radius: var(--radius);
  box-shadow: var(--shadow-md);
}

.form__group {
  margin-bottom: 1.25rem;
}

.form__label {
  display: block;
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--color-heading);
  margin-bottom: 0.4rem;
}

.form__input,
.form__textarea {
  width: 100%;
  padding: 0.75rem 1rem;
  border: 2px solid var(--color-gray-light);
  border-radius: var(--radius-sm);
  font-size: 0.95rem;
  font-family: inherit;
  transition: border-color var(--transition);
  background: var(--color-light);
}

.form__input:focus,
.form__textarea:focus {
  outline: none;
  border-color: var(--color-accent);
  background: var(--color-white);
}

.form__textarea {
  resize: vertical;
  min-height: 140px;
}

.contact-info {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.contact-info__card {
  display: flex;
  align-items: flex-start;
  gap: 1rem;
  padding: 1.25rem;
  background: var(--color-white);
  border-radius: var(--radius);
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--color-gray-light);
}

.contact-info__icon {
  width: 48px;
  height: 48px;
  background: linear-gradient(135deg, var(--color-accent), #fb923c);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.2rem;
  flex-shrink: 0;
}

.contact-info__title {
  font-size: 0.85rem;
  color: var(--color-gray);
  margin-bottom: 0.2rem;
}

.contact-info__value {
  font-size: 1rem;
  font-weight: 600;
  color: var(--color-heading);
}

.contact__map {
  margin-top: 2rem;
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow-md);
}

.contact__map iframe {
  width: 100%;
  height: 350px;
  border: none;
}

/* ============================================
   ABOUT PAGE EXTENDED
   ============================================ */
.about-page__values {
  display: grid;
  gap: 1.5rem;
  margin-top: 2rem;
}

.value-card {
  text-align: center;
  padding: 2rem 1.5rem;
  background: var(--color-white);
  border-radius: var(--radius);
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--color-gray-light);
  transition: all var(--transition);
}

.value-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
}

.value-card__icon {
  font-size: 2.5rem;
  margin-bottom: 1rem;
}

.value-card__title {
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--color-heading);
  margin-bottom: 0.5rem;
}

.value-card__desc {
  color: var(--color-gray);
  font-size: 0.9rem;
  line-height: 1.7;
}

/* ============================================
   RESPONSIVE — Tablet (768px+)
   ============================================ */
@media (min-width: 768px) {
  .section {
    padding: 4.5rem 0;
  }

  .section__title {
    font-size: 2.25rem;
  }

  .hero__title {
    font-size: 2.75rem;
  }

  .hero__desc {
    font-size: 1.1rem;
  }

  .about__grid {
    grid-template-columns: 1fr 1fr;
    align-items: center;
  }

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

  .why-us__grid {
    grid-template-columns: repeat(4, 1fr);
  }

  .gallery-grid {
    grid-template-columns: repeat(3, 1fr);
  }

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

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

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

  .about-page__values {
    grid-template-columns: 1fr 1fr;
  }

  .page-banner__title {
    font-size: 2.5rem;
  }

  .cta__title {
    font-size: 2rem;
  }
}

/* ============================================
   RESPONSIVE — Desktop (1024px+)
   ============================================ */
@media (min-width: 1024px) {
  .container {
    padding: 0 2rem;
  }

  .section {
    padding: 5rem 0;
  }

  /* Desktop nav */
  .hamburger {
    display: none;
  }

  .nav {
    display: flex;
    position: static;
    width: auto;
    height: auto;
    background: transparent;
    padding: 0;
    flex-direction: row;
    gap: 0.25rem;
    transform: none;
  }

  .nav__link {
    padding: 0.5rem 1rem;
    font-size: 0.95rem;
    border-bottom: none;
  }

  .nav__overlay {
    display: none !important;
  }

  .hero__title {
    font-size: 3.25rem;
  }

  .services__grid {
    grid-template-columns: repeat(3, 1fr);
  }

  .gallery-grid {
    grid-template-columns: repeat(4, 1fr);
  }

  .about-page__values {
    grid-template-columns: repeat(4, 1fr);
  }

  .contact__map iframe {
    height: 450px;
  }
}

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

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

/* Scroll to top */
.scroll-top {
  position: fixed;
  bottom: 1.5rem;
  right: 1.5rem;
  width: 44px;
  height: 44px;
  background: var(--color-accent);
  color: var(--color-white);
  border: none;
  border-radius: 50%;
  font-size: 1.2rem;
  cursor: pointer;
  z-index: 900;
  opacity: 0;
  visibility: hidden;
  transition: all var(--transition);
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: var(--shadow-md);
}

.scroll-top--visible {
  opacity: 1;
  visibility: visible;
}

.scroll-top:hover {
  background: var(--color-accent-hover);
  transform: translateY(-3px);
}