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

:root {
  --orange: #ff6b1a;
  --orange-hover: #e85a0c;
  --orange-soft: #fff4ed;
  --black: #0f0f0f;
  --gray-950: #141414;
  --gray-900: #1c1c1c;
  --gray-800: #2a2a2a;
  --gray-700: #3d3d3d;
  --gray-600: #5c5c5c;
  --gray-500: #7a7a7a;
  --gray-400: #a0a0a0;
  --gray-300: #d4d4d4;
  --gray-200: #e8e8e8;
  --gray-100: #f4f4f4;
  --gray-50: #fafafa;
  --white: #ffffff;
  --max-width: 1200px;
  --header-height: 76px;
  --radius: 14px;
  --radius-sm: 10px;
  --shadow-sm: 0 2px 8px rgba(0,0,0,0.04);
  --shadow-md: 0 8px 30px rgba(0,0,0,0.08);
  --shadow-lg: 0 20px 50px rgba(0,0,0,0.12);
  --transition: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: 'Inter', system-ui, -apple-system, BlinkMacSystemFont, sans-serif;
  line-height: 1.6;
  color: var(--gray-800);
  background: var(--white);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

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

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

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

/* ===== Buttons ===== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 15px 30px;
  font-weight: 600;
  font-size: 0.95rem;
  border-radius: 50px;
  border: 2px solid transparent;
  cursor: pointer;
  transition: var(--transition);
  text-align: center;
  letter-spacing: -0.01em;
}

.btn-primary {
  background: var(--orange);
  color: var(--white);
  box-shadow: 0 4px 20px rgba(255, 107, 26, 0.35);
}

.btn-primary:hover {
  background: var(--orange-hover);
  transform: translateY(-2px);
  box-shadow: 0 8px 28px rgba(255, 107, 26, 0.45);
}

.btn-secondary {
  background: rgba(255,255,255,0.12);
  color: var(--white);
  border-color: rgba(255,255,255,0.35);
  backdrop-filter: blur(8px);
}

.btn-secondary:hover {
  background: var(--white);
  color: var(--black);
  border-color: var(--white);
}

.btn-light {
  background: var(--white);
  color: var(--black);
  box-shadow: 0 4px 20px rgba(0,0,0,0.12);
}

.btn-light:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 28px rgba(0,0,0,0.18);
}

.btn-outline-light {
  background: transparent;
  color: var(--white);
  border-color: rgba(255,255,255,0.5);
}

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

.btn-full {
  width: 100%;
}

/* ===== Header ===== */
.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: var(--header-height);
  background: rgba(255, 255, 255, 0.9);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid rgba(0,0,0,0.05);
  z-index: 1000;
  transition: var(--transition);
}

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

.logo-img {
  height: 46px;
  width: auto;
  object-fit: contain;
}

.nav {
  display: flex;
  align-items: center;
  gap: 32px;
}

.nav a {
  font-weight: 500;
  font-size: 0.92rem;
  color: var(--gray-700);
  position: relative;
}

.nav a:not(.nav-cta):hover {
  color: var(--orange);
}

.nav-cta {
  background: var(--orange) !important;
  color: var(--white) !important;
  padding: 10px 22px !important;
  border-radius: 50px !important;
  font-weight: 600 !important;
  box-shadow: 0 4px 14px rgba(255, 107, 26, 0.3);
}

.nav-cta:hover {
  background: var(--orange-hover) !important;
  transform: translateY(-1px);
  box-shadow: 0 6px 20px rgba(255, 107, 26, 0.4);
}

.header-right {
  display: flex;
  align-items: center;
  gap: 16px;
}

.lang-switch {
  display: flex;
  background: var(--gray-100);
  border-radius: 50px;
  padding: 3px;
  border: 1px solid var(--gray-200);
}

.lang-btn {
  border: none;
  background: transparent;
  padding: 6px 12px;
  font-size: 0.8rem;
  font-weight: 700;
  border-radius: 50px;
  cursor: pointer;
  color: var(--gray-600);
  transition: var(--transition);
  letter-spacing: 0.02em;
}

.lang-btn.active {
  background: var(--orange);
  color: var(--white);
  box-shadow: 0 2px 8px rgba(255, 107, 26, 0.3);
}

.lang-btn:not(.active):hover {
  color: var(--gray-900);
}

.mobile-toggle {
  display: none;
  flex-direction: column;
  gap: 6px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 6px;
}

.mobile-toggle span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--gray-800);
  border-radius: 2px;
  transition: var(--transition);
}

/* ===== Hero ===== */
.hero {
  position: relative;
  min-height: 92vh;
  display: flex;
  align-items: center;
  background: url('images/gGSmm.jpg') center/cover no-repeat;
  margin-top: var(--header-height);
  color: var(--white);
  overflow: hidden;
}

.hero-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(
    115deg,
    rgba(10, 10, 10, 0.88) 0%,
    rgba(10, 10, 10, 0.72) 45%,
    rgba(10, 10, 10, 0.45) 100%
  );
}

.hero-content {
  position: relative;
  z-index: 1;
  max-width: 720px;
  padding: 80px 24px;
}

.hero-badge {
  display: inline-block;
  background: rgba(255, 255, 255, 0.12);
  backdrop-filter: blur(8px);
  border: 1px solid rgba(255, 255, 255, 0.2);
  color: rgba(255, 255, 255, 0.95);
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  padding: 8px 16px;
  border-radius: 50px;
  margin-bottom: 24px;
}

.hero h1 {
  font-size: clamp(2.6rem, 5.5vw, 3.8rem);
  font-weight: 800;
  line-height: 1.1;
  margin-bottom: 22px;
  letter-spacing: -0.03em;
}

.hero-sub {
  font-size: 1.2rem;
  opacity: 0.92;
  margin-bottom: 36px;
  line-height: 1.55;
  font-weight: 400;
  max-width: 540px;
}

.hero-buttons {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
}

/* ===== Trust Bar ===== */
.trust-bar {
  background: var(--black);
  color: var(--white);
  padding: 36px 0;
  border-top: 1px solid rgba(255,255,255,0.06);
}

.trust-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 32px;
  text-align: center;
}

.trust-item strong {
  display: block;
  font-size: 1.05rem;
  font-weight: 700;
  margin-bottom: 6px;
  letter-spacing: -0.01em;
}

.trust-item span {
  font-size: 0.875rem;
  color: var(--gray-400);
  line-height: 1.4;
}

/* ===== Section Headers ===== */
.section-header {
  text-align: center;
  max-width: 620px;
  margin: 0 auto 56px;
}

.section-header h2 {
  font-size: clamp(2rem, 3.5vw, 2.6rem);
  font-weight: 800;
  color: var(--black);
  margin-bottom: 14px;
  letter-spacing: -0.03em;
}

.section-header p {
  color: var(--gray-600);
  font-size: 1.1rem;
  line-height: 1.6;
}

/* ===== Services ===== */
.services {
  padding: 100px 0;
  background: var(--gray-50);
}

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

.service-card {
  background: var(--white);
  padding: 32px 28px;
  border-radius: var(--radius);
  border: 1px solid var(--gray-200);
  transition: var(--transition);
  position: relative;
  overflow: hidden;
}

.service-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 3px;
  background: var(--orange);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.3s ease;
}

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

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

.service-icon {
  font-size: 2.1rem;
  margin-bottom: 18px;
  line-height: 1;
}

.service-card h3 {
  font-size: 1.2rem;
  font-weight: 700;
  margin-bottom: 12px;
  color: var(--black);
  letter-spacing: -0.02em;
}

.service-card p,
.service-desc {
  font-size: 0.95rem;
  color: var(--gray-600);
  line-height: 1.6;
}

/* ===== Projects ===== */
.projects {
  padding: 100px 0;
  background: var(--white);
}

.projects-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
}

.project-card {
  position: relative;
  border-radius: var(--radius);
  overflow: hidden;
  aspect-ratio: 16/11;
  background: var(--gray-200);
  box-shadow: var(--shadow-sm);
}

.project-card img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.6s cubic-bezier(0.4, 0, 0.2, 1);
}

.project-card:hover img {
  transform: scale(1.06);
}

.project-info {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  padding: 28px 26px 24px;
  background: linear-gradient(to top, rgba(0,0,0,0.85) 0%, rgba(0,0,0,0.4) 60%, transparent 100%);
  color: var(--white);
  transform: translateY(4px);
  transition: var(--transition);
}

.project-card:hover .project-info {
  transform: translateY(0);
}

.project-info h3 {
  font-size: 1.25rem;
  font-weight: 700;
  margin-bottom: 4px;
  letter-spacing: -0.02em;
}

.project-info p {
  font-size: 0.9rem;
  opacity: 0.85;
}

/* ===== About ===== */
.about {
  padding: 100px 0;
  background: var(--gray-50);
}

.about-grid {
  display: grid;
  grid-template-columns: 1.15fr 1fr;
  gap: 60px;
  align-items: center;
}

.about-content h2 {
  font-size: clamp(2rem, 3.2vw, 2.5rem);
  font-weight: 800;
  color: var(--black);
  margin-bottom: 22px;
  letter-spacing: -0.03em;
}

.about-content p {
  color: var(--gray-600);
  margin-bottom: 18px;
  font-size: 1.05rem;
  line-height: 1.7;
}

.about-content .btn {
  margin-top: 16px;
}

.about-highlights {
  display: grid;
  gap: 16px;
}

.highlight {
  background: var(--white);
  padding: 22px 24px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--gray-200);
  transition: var(--transition);
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.highlight:hover {
  border-color: var(--orange);
  box-shadow: 0 6px 20px rgba(255, 107, 26, 0.08);
}

.highlight-number {
  font-weight: 800;
  font-size: 1.05rem;
  color: var(--orange);
  letter-spacing: -0.01em;
}

.highlight-text {
  font-size: 0.95rem;
  color: var(--gray-600);
  line-height: 1.45;
}

/* ===== CTA Banner ===== */
.cta-banner {
  background: linear-gradient(135deg, #ff6b1a 0%, #e04e00 100%);
  color: var(--white);
  padding: 80px 0;
  text-align: center;
  position: relative;
  overflow: hidden;
}

.cta-banner::before {
  content: '';
  position: absolute;
  top: -50%;
  right: -20%;
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, rgba(255,255,255,0.12) 0%, transparent 70%);
  pointer-events: none;
}

.cta-banner h2 {
  font-size: clamp(1.9rem, 3.5vw, 2.5rem);
  font-weight: 800;
  margin-bottom: 12px;
  letter-spacing: -0.03em;
  position: relative;
}

.cta-banner p {
  font-size: 1.15rem;
  opacity: 0.95;
  margin-bottom: 32px;
  position: relative;
}

.cta-buttons {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 14px;
  position: relative;
}

/* ===== Contact ===== */
.contact {
  padding: 100px 0;
  background: var(--white);
}

.contact-grid {
  display: grid;
  grid-template-columns: 1.35fr 1fr;
  gap: 56px;
  align-items: start;
}

.contact-form {
  background: var(--gray-50);
  padding: 40px;
  border-radius: var(--radius);
  border: 1px solid var(--gray-200);
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 18px;
}

.form-group {
  margin-bottom: 20px;
}

.form-group label {
  display: block;
  font-weight: 600;
  font-size: 0.875rem;
  margin-bottom: 8px;
  color: var(--gray-700);
}

.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  padding: 14px 16px;
  border: 1.5px solid var(--gray-200);
  border-radius: 10px;
  font-size: 1rem;
  font-family: inherit;
  background: var(--white);
  transition: var(--transition);
  color: var(--gray-800);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--orange);
  box-shadow: 0 0 0 4px rgba(255, 107, 26, 0.12);
}

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

.form-note {
  margin-top: 16px;
  font-size: 0.8rem;
  color: var(--gray-500);
  text-align: center;
}

.contact-info h3 {
  font-size: 1.4rem;
  font-weight: 800;
  margin-bottom: 28px;
  color: var(--black);
  letter-spacing: -0.02em;
}

.info-item {
  margin-bottom: 26px;
}

.info-item strong {
  display: block;
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--gray-500);
  margin-bottom: 8px;
  font-weight: 600;
}

.info-item a {
  color: var(--orange);
  font-weight: 600;
  font-size: 1.1rem;
}

.info-item a:hover {
  color: var(--orange-hover);
}

.info-item p {
  color: var(--gray-700);
  line-height: 1.55;
  font-size: 1rem;
}

.info-note {
  margin-top: 32px;
  padding: 18px 20px;
  background: var(--orange-soft);
  border-radius: var(--radius-sm);
  font-size: 0.95rem;
  color: var(--gray-700);
  border-left: 4px solid var(--orange);
  line-height: 1.5;
}

/* ===== Footer ===== */
.footer {
  background: var(--black);
  color: var(--gray-400);
  padding-top: 60px;
}

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

.footer-logo {
  height: 42px;
  width: auto;
  margin-bottom: 16px;
  filter: brightness(1.15);
}

.footer-brand p {
  font-size: 0.95rem;
  max-width: 300px;
  line-height: 1.6;
}

.footer-links h4,
.footer-contact h4 {
  color: var(--white);
  font-size: 0.95rem;
  font-weight: 700;
  margin-bottom: 18px;
  letter-spacing: -0.01em;
}

.footer-links a,
.footer-contact a {
  display: block;
  margin-bottom: 10px;
  font-size: 0.95rem;
}

.footer-links a:hover,
.footer-contact a:hover {
  color: var(--orange);
}

.footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.08);
  padding: 22px 0;
  text-align: center;
  font-size: 0.875rem;
}

/* ===== Responsive ===== */
@media (max-width: 980px) {
  .services-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .about-grid,
  .contact-grid {
    grid-template-columns: 1fr;
    gap: 48px;
  }

  .trust-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 28px;
  }

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

@media (max-width: 640px) {
  .nav {
    position: fixed;
    top: var(--header-height);
    left: 0;
    right: 0;
    background: rgba(255,255,255,0.98);
    backdrop-filter: blur(16px);
    flex-direction: column;
    padding: 28px 24px;
    gap: 20px;
    box-shadow: 0 20px 40px rgba(0,0,0,0.1);
    transform: translateY(-130%);
    opacity: 0;
    pointer-events: none;
    transition: var(--transition);
    border-bottom: 1px solid var(--gray-200);
  }

  .nav.open {
    transform: translateY(0);
    opacity: 1;
    pointer-events: auto;
  }

  .mobile-toggle {
    display: flex;
  }

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

  .trust-grid {
    grid-template-columns: 1fr;
    gap: 22px;
  }

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

  .footer-grid {
    grid-template-columns: 1fr;
    gap: 36px;
  }

  .hero {
    min-height: 85vh;
  }

  .hero-content {
    padding: 60px 24px;
  }

  .contact-form {
    padding: 28px 22px;
  }

  .section-header {
    margin-bottom: 40px;
  }

  .services,
  .projects,
  .about,
  .contact {
    padding: 70px 0;
  }
}