/* === RESET === */
*,
*::before,
*::after {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  scroll-padding-top: 70px;
}

body {
  font-family: 'Cairo', 'Inter', sans-serif;
  color: #2d3436;
  background: #fff;
  line-height: 1.7;
  overflow-x: hidden;
}

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

a {
  text-decoration: none;
  color: inherit;
}

ul {
  list-style: none;
}

/* === VARIABLES === */
:root {
  --clr-primary: #1a2332;
  --clr-primary-light: #2c3e50;
  --clr-accent: #f5a623;
  --clr-accent-dark: #d48f1a;
  --clr-white: #ffffff;
  --clr-gray-100: #f8f9fa;
  --clr-gray-200: #e9ecef;
  --clr-gray-300: #dee2e6;
  --clr-gray-500: #6c757d;
  --clr-gray-700: #495057;
  --clr-gray-900: #212529;
  --font-primary: 'Cairo', sans-serif;
  --font-secondary: 'Inter', sans-serif;
  --max-width: 1200px;
  --header-height: 70px;
  --shadow-sm: 0 2px 8px rgba(0,0,0,0.08);
  --shadow-md: 0 4px 20px rgba(0,0,0,0.12);
  --shadow-lg: 0 8px 40px rgba(0,0,0,0.16);
  --radius: 12px;
  --transition: 0.3s ease;
}

/* === CONTAINER === */
.container {
  width: 100%;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 20px;
}

/* === BUTTONS === */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 14px 32px;
  border-radius: 8px;
  font-family: var(--font-primary);
  font-size: 1rem;
  font-weight: 600;
  cursor: pointer;
  transition: var(--transition);
  border: 2px solid transparent;
  white-space: nowrap;
}

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

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

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

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

.btn--full {
  width: 100%;
}

/* === SECTION === */
.section {
  padding: 80px 0;
}

.section-header {
  text-align: center;
  margin-bottom: 48px;
}

.section-header__tag {
  display: inline-block;
  background: rgba(245, 166, 35, 0.12);
  color: var(--clr-accent-dark);
  padding: 6px 18px;
  border-radius: 20px;
  font-size: 0.875rem;
  font-weight: 600;
  margin-bottom: 12px;
}

.section-header__title {
  font-size: 2.2rem;
  font-weight: 800;
  color: var(--clr-primary);
  margin-bottom: 12px;
}

.section-header__desc {
  font-size: 1.1rem;
  color: var(--clr-gray-500);
  max-width: 640px;
  margin: 0 auto;
}

.text-accent {
  color: var(--clr-accent);
}

/* === HEADER / NAV === */
.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: var(--header-height);
  background: rgba(26, 35, 50, 0.95);
  backdrop-filter: blur(10px);
  z-index: 1000;
  transition: var(--transition);
}

.header.scrolled {
  background: var(--clr-primary);
  box-shadow: 0 2px 20px rgba(0,0,0,0.3);
}

.header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
}

.logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 1.4rem;
  font-weight: 800;
  color: var(--clr-white);
}

.logo--light {
  color: var(--clr-white);
}

.logo__icon {
  color: var(--clr-accent);
  font-size: 1.6rem;
}

.nav__list {
  display: flex;
  gap: 8px;
}

.nav__link {
  padding: 8px 16px;
  border-radius: 6px;
  color: rgba(255,255,255,0.8);
  font-size: 0.9rem;
  font-weight: 500;
  transition: var(--transition);
}

.nav__link:hover,
.nav__link.active {
  color: var(--clr-white);
  background: rgba(255,255,255,0.1);
}

.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
}

.nav-toggle__bar {
  width: 26px;
  height: 2.5px;
  background: var(--clr-white);
  border-radius: 2px;
  transition: var(--transition);
}

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

.nav-toggle.active .nav-toggle__bar:nth-child(2) {
  opacity: 0;
}

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

/* === LANGUAGE SWITCHER === */
.lang-switcher {
  background: var(--clr-accent);
  color: var(--clr-primary);
  border: none;
  border-radius: 6px;
  padding: 6px 14px;
  font-family: var(--font-secondary);
  font-size: 0.85rem;
  font-weight: 700;
  cursor: pointer;
  transition: var(--transition);
  letter-spacing: 0.5px;
  margin-left: 8px;
}

.lang-switcher:hover {
  background: var(--clr-accent-dark);
  transform: translateY(-1px);
}

/* === HERO === */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  position: relative;
  background: var(--clr-primary);
  background-image: url('https://images.unsplash.com/photo-1503387762-592deb58ef4e?q=80&w=1331&auto=format&fit=crop&ixlib=rb-4.1.0&ixid=M3wxMjA3fDB8MHxwaG90by1wYWdlfHx8fGVufDB8fHx8fA%3D%3D');
  background-size: cover;
  background-position: center;
  padding: 120px 0 80px;
}

.hero__overlay {
  position: absolute;
  inset: 0;
  background: rgba(26, 35, 50, 0.75);
}

.hero__inner {
  position: relative;
  text-align: center;
  z-index: 1;
}

.hero__title {
  font-size: clamp(2.2rem, 5vw, 3.8rem);
  font-weight: 800;
  color: var(--clr-white);
  margin-bottom: 20px;
  line-height: 1.2;
}

.hero__subtitle {
  font-size: clamp(1rem, 2vw, 1.2rem);
  color: rgba(255,255,255,0.7);
  max-width: 680px;
  margin: 0 auto 36px;
  line-height: 1.8;
}

.hero__actions {
  display: flex;
  gap: 16px;
  justify-content: center;
  flex-wrap: wrap;
  margin-bottom: 64px;
}

.hero__stats {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
  max-width: 800px;
  margin: 0 auto;
}

.stat {
  text-align: center;
  color: var(--clr-white);
}

.stat__num {
  display: block;
  font-size: 2.4rem;
  font-weight: 800;
  color: var(--clr-accent);
  line-height: 1;
  margin-bottom: 6px;
}

.stat__label {
  font-size: 0.85rem;
  color: rgba(255,255,255,0.6);
}

/* === ABOUT === */
.about {
  background: var(--clr-white);
}

.about__grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
  align-items: center;
}

.about__text {
  margin-bottom: 16px;
  color: var(--clr-gray-700);
  font-size: 1.05rem;
}

.about__features {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
  margin-top: 24px;
}

.about__feature {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--clr-primary);
}

.about__feature i {
  color: var(--clr-accent);
  font-size: 1.1rem;
}

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

.about__image img {
  width: 100%;
  height: 400px;
  object-fit: cover;
  transition: transform 0.5s ease;
}

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

/* === SERVICES === */
.services {
  background: var(--clr-gray-100);
}

.services__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.service-card {
  background: var(--clr-white);
  padding: 36px 28px;
  border-radius: var(--radius);
  text-align: center;
  transition: var(--transition);
  border: 1px solid var(--clr-gray-200);
}

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

.service-card__icon {
  font-size: 2.8rem;
  color: var(--clr-accent);
  margin-bottom: 20px;
}

.service-card__title {
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--clr-primary);
  margin-bottom: 12px;
}

.service-card__desc {
  font-size: 0.95rem;
  color: var(--clr-gray-500);
  line-height: 1.7;
}

/* === PROJECTS === */
.projects {
  background: var(--clr-white);
}

.projects__grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}

.project-card {
  border-radius: var(--radius);
  overflow: hidden;
  background: var(--clr-white);
  border: 1px solid var(--clr-gray-200);
  transition: var(--transition);
}

.project-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-md);
}

.project-card__img {
  height: 220px;
  overflow: hidden;
}

.project-card__img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s ease;
}

.project-card:hover .project-card__img img {
  transform: scale(1.08);
}

.project-card__body {
  padding: 20px;
}

.project-card__tag {
  display: inline-block;
  background: rgba(245, 166, 35, 0.12);
  color: var(--clr-accent-dark);
  padding: 3px 12px;
  border-radius: 4px;
  font-size: 0.75rem;
  font-weight: 600;
  margin-bottom: 10px;
}

.project-card__title {
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--clr-primary);
  margin-bottom: 6px;
}

.project-card__desc {
  font-size: 0.85rem;
  color: var(--clr-gray-500);
}

/* === TESTIMONIALS === */
.testimonials {
  background: var(--clr-gray-100);
}

.testimonials__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.testimonial-card {
  background: var(--clr-white);
  padding: 32px 28px;
  border-radius: var(--radius);
  border: 1px solid var(--clr-gray-200);
  transition: var(--transition);
}

.testimonial-card:hover {
  box-shadow: var(--shadow-md);
  border-color: var(--clr-accent);
}

.testimonial-card__stars {
  color: var(--clr-accent);
  margin-bottom: 16px;
  font-size: 0.9rem;
}

.testimonial-card__text {
  font-size: 0.95rem;
  color: var(--clr-gray-700);
  line-height: 1.8;
  margin-bottom: 20px;
  font-style: italic;
}

.testimonial-card__author {
  display: flex;
  align-items: center;
  gap: 12px;
}

.testimonial-card__author img {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  object-fit: cover;
}

.testimonial-card__author strong {
  display: block;
  font-size: 0.95rem;
  color: var(--clr-primary);
}

.testimonial-card__author span {
  font-size: 0.8rem;
  color: var(--clr-gray-500);
}

/* === CONTACT === */
.contact {
  background: var(--clr-white);
}

.contact__grid {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: 48px;
}

.contact__info {
  display: flex;
  flex-direction: column;
  gap: 24px;
}

.contact__item {
  display: flex;
  align-items: flex-start;
  gap: 16px;
}

.contact__item-icon {
  font-size: 1.4rem;
  color: var(--clr-accent);
  margin-top: 4px;
  width: 44px;
  height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(245, 166, 35, 0.1);
  border-radius: 10px;
  flex-shrink: 0;
}

.contact__item h4 {
  font-size: 1rem;
  font-weight: 700;
  color: var(--clr-primary);
  margin-bottom: 4px;
}

.contact__item p {
  font-size: 0.92rem;
  color: var(--clr-gray-500);
}

.contact__form {
  background: var(--clr-gray-100);
  padding: 36px;
  border-radius: var(--radius);
  border: 1px solid var(--clr-gray-200);
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}

.form-group {
  margin-bottom: 18px;
}

.form-group label {
  display: block;
  font-size: 0.88rem;
  font-weight: 600;
  color: var(--clr-primary);
  margin-bottom: 6px;
}

.form-group input,
.form-group textarea {
  width: 100%;
  padding: 12px 16px;
  border: 1.5px solid var(--clr-gray-300);
  border-radius: 8px;
  font-family: var(--font-primary);
  font-size: 0.95rem;
  color: var(--clr-gray-900);
  transition: var(--transition);
  background: var(--clr-white);
}

.form-group input:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--clr-accent);
  box-shadow: 0 0 0 3px rgba(245, 166, 35, 0.15);
}

.form-group input.error,
.form-group textarea.error {
  border-color: #e74c3c;
}

.form__error {
  display: block;
  font-size: 0.78rem;
  color: #e74c3c;
  margin-top: 4px;
  min-height: 18px;
}

/* === FOOTER === */
.footer {
  background: var(--clr-primary);
  color: rgba(255,255,255,0.8);
  padding: 60px 0 0;
}

.footer__inner {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: 48px;
  padding-bottom: 40px;
}

.footer__desc {
  font-size: 0.92rem;
  line-height: 1.8;
  margin: 16px 0 20px;
  max-width: 360px;
}

.footer__social {
  display: flex;
  gap: 12px;
}

.footer__social a {
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 8px;
  background: rgba(255,255,255,0.1);
  color: var(--clr-white);
  transition: var(--transition);
}

.footer__social a:hover {
  background: var(--clr-accent);
  color: var(--clr-primary);
}

.footer__links h4 {
  color: var(--clr-white);
  font-size: 1.1rem;
  font-weight: 700;
  margin-bottom: 16px;
}

.footer__links li {
  margin-bottom: 10px;
}

.footer__links a {
  color: rgba(255,255,255,0.6);
  font-size: 0.9rem;
  transition: var(--transition);
}

.footer__links a:hover {
  color: var(--clr-accent);
  padding-right: 4px;
}

.footer__bottom {
  border-top: 1px solid rgba(255,255,255,0.08);
  padding: 20px 0;
  text-align: center;
  font-size: 0.85rem;
  color: rgba(255,255,255,0.4);
}

/* === LTR OVERRIDES (German) === */
html[dir="ltr"] body {
  font-family: 'Inter', 'Cairo', sans-serif;
}

html[dir="ltr"] .nav {
  right: auto;
  left: -100%;
}

html[dir="ltr"] .nav.open {
  right: auto;
  left: 0;
}

html[dir="ltr"] .nav-toggle {
  margin-left: 0;
  margin-right: 8px;
}

html[dir="ltr"] .footer__links a:hover {
  padding-right: 0;
  padding-left: 4px;
}

html[dir="ltr"] .lang-switcher {
  margin-left: 0;
  margin-right: 8px;
}

/* === ANIMATIONS === */
@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.section {
  animation: fadeInUp 0.6s ease forwards;
}

/* === RESPONSIVE === */
@media (max-width: 1024px) {
  .services__grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .projects__grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .hero__stats {
    grid-template-columns: repeat(2, 1fr);
    gap: 32px;
  }
}

@media (max-width: 768px) {
  .section {
    padding: 56px 0;
  }

  .section-header__title {
    font-size: 1.7rem;
  }

  .nav {
    position: fixed;
    top: var(--header-height);
    right: -100%;
    width: 280px;
    height: calc(100vh - var(--header-height));
    background: var(--clr-primary);
    padding: 24px;
    transition: right 0.3s ease;
    box-shadow: -4px 0 20px rgba(0,0,0,0.3);
  }

  .nav.open {
    right: 0;
  }

  .nav__list {
    flex-direction: column;
    gap: 4px;
  }

  .nav__link {
    display: block;
    padding: 12px 16px;
    font-size: 1rem;
  }

  .nav-toggle {
    display: flex;
  }

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

  .about__image img {
    height: 280px;
  }

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

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

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

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

  .form-row {
    grid-template-columns: 1fr;
  }

  .contact__form {
    padding: 24px;
  }

  .footer__inner {
    grid-template-columns: 1fr;
    gap: 32px;
  }
}

@media (max-width: 480px) {
  .hero__stats {
    grid-template-columns: repeat(2, 1fr);
    gap: 20px;
  }

  .stat__num {
    font-size: 1.8rem;
  }

  .hero__actions {
    flex-direction: column;
    align-items: stretch;
  }

  .btn {
    padding: 12px 24px;
  }
}