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

:root {
  --teal: #0D9488;
  --teal-dark: #0F766E;
  --teal-light: #14B8A6;
  --teal-50: #F0FDFA;
  --teal-100: #CCFBF1;
  --slate-50: #F8FAFC;
  --slate-100: #F1F5F9;
  --slate-200: #E2E8F0;
  --slate-300: #CBD5E1;
  --slate-400: #94A3B8;
  --slate-500: #64748B;
  --slate-600: #475569;
  --slate-700: #334155;
  --slate-800: #1E293B;
  --slate-900: #0F172A;
  --white: #FFFFFF;
  --font-body: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  --font-heading: 'Space Grotesk', 'Inter', sans-serif;
  --line: 1px solid var(--slate-200);
  --line-thin: 1px solid rgba(148, 163, 184, 0.2);
}

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

body {
  font-family: var(--font-body);
  font-weight: 300;
  color: var(--slate-800);
  background: var(--white);
  line-height: 1.7;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

.skip-link {
  position: absolute;
  top: -100%;
  left: 1rem;
  background: var(--teal);
  color: var(--white);
  padding: 0.5rem 1rem;
  z-index: 1000;
  font-size: 0.875rem;
  text-decoration: none;
  border-radius: 0 0 4px 4px;
}
.skip-link:focus {
  top: 0;
}

.line-accent {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 2px;
  background: linear-gradient(90deg, var(--teal), var(--teal-light), var(--teal));
  z-index: 9999;
}

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 2rem;
}

/* ── HEADER ── */
.header {
  position: fixed;
  top: 2px;
  left: 0;
  right: 0;
  z-index: 1000;
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: var(--line);
  transition: box-shadow 0.3s ease;
}
.header.scrolled {
  box-shadow: 0 1px 20px rgba(0, 0, 0, 0.06);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
}

.logo {
  display: flex;
  align-items: center;
  gap: 0.625rem;
  text-decoration: none;
  color: var(--slate-900);
  font-family: var(--font-heading);
  font-weight: 600;
  font-size: 1.05rem;
  letter-spacing: -0.01em;
}
.logo:hover { color: var(--teal); }
.logo-icon { color: var(--teal); }
.logo-text { font-weight: 500; }
.logo-accent { color: var(--teal); font-weight: 600; }

.nav-list {
  display: flex;
  list-style: none;
  gap: 2.5rem;
}
.nav-link {
  text-decoration: none;
  color: var(--slate-600);
  font-size: 0.8125rem;
  font-weight: 400;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  transition: color 0.2s;
  position: relative;
}
.nav-link::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0;
  height: 1px;
  background: var(--teal);
  transition: width 0.3s ease;
}
.nav-link:hover { color: var(--teal); }
.nav-link:hover::after { width: 100%; }

.nav-phone {
  display: flex;
  align-items: center;
  gap: 0.4rem;
  text-decoration: none;
  color: var(--slate-700);
  font-size: 0.8125rem;
  font-weight: 400;
  letter-spacing: 0.02em;
  transition: color 0.2s;
}
.nav-phone:hover { color: var(--teal); }
.nav-phone svg { color: var(--teal); }

.menu-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
}
.menu-toggle-line {
  display: block;
  width: 22px;
  height: 1.5px;
  background: var(--slate-700);
  transition: all 0.3s ease;
  transform-origin: center;
}
.menu-toggle.active .menu-toggle-line:nth-child(1) {
  transform: translateY(6.5px) rotate(45deg);
}
.menu-toggle.active .menu-toggle-line:nth-child(2) {
  opacity: 0;
}
.menu-toggle.active .menu-toggle-line:nth-child(3) {
  transform: translateY(-6.5px) rotate(-45deg);
}

/* ── HERO ── */
.hero {
  padding-top: 140px;
  padding-bottom: 0;
  min-height: calc(100vh - 74px);
  display: flex;
  align-items: center;
  border-bottom: var(--line);
  background: var(--white);
}
.hero-inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: center;
  width: 100%;
  padding-top: 2rem;
  padding-bottom: 4rem;
}

.hero-tag {
  font-size: 0.75rem;
  font-weight: 500;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--teal);
  margin-bottom: 1.5rem;
}

.hero-headline {
  font-family: var(--font-heading);
  font-size: clamp(2.75rem, 5vw, 4.25rem);
  font-weight: 700;
  line-height: 1.08;
  letter-spacing: -0.03em;
  color: var(--slate-900);
  margin-bottom: 1.75rem;
}
.hero-headline br { display: none; }

.hero-sub {
  font-size: 1.0625rem;
  line-height: 1.75;
  color: var(--slate-500);
  max-width: 440px;
  margin-bottom: 2.5rem;
  font-weight: 300;
}

.hero-ctas {
  display: flex;
  gap: 1rem;
  margin-bottom: 3.5rem;
  flex-wrap: wrap;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.8125rem 1.75rem;
  font-size: 0.8125rem;
  font-weight: 500;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  text-decoration: none;
  border: none;
  cursor: pointer;
  transition: all 0.25s ease;
  font-family: var(--font-body);
}
.btn-primary {
  background: var(--teal);
  color: var(--white);
  border: 1px solid var(--teal);
}
.btn-primary:hover {
  background: var(--teal-dark);
  border-color: var(--teal-dark);
  transform: translateY(-1px);
  box-shadow: 0 4px 16px rgba(13, 148, 136, 0.25);
}
.btn-ghost {
  background: transparent;
  color: var(--slate-700);
  border: 1px solid var(--slate-300);
}
.btn-ghost:hover {
  border-color: var(--teal);
  color: var(--teal);
}
.btn-white {
  background: var(--white);
  color: var(--teal-dark);
  border: 1px solid var(--white);
}
.btn-white:hover {
  background: var(--teal-50);
  transform: translateY(-1px);
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.15);
}
.btn-lg { padding: 1rem 2.25rem; font-size: 0.875rem; }
.btn-full { width: 100%; }

.hero-trust {
  display: flex;
  align-items: center;
  gap: 2rem;
}
.trust-item { display: flex; flex-direction: column; gap: 0.15rem; }
.trust-num {
  font-family: var(--font-heading);
  font-size: 1.375rem;
  font-weight: 600;
  color: var(--slate-900);
  letter-spacing: -0.02em;
}
.trust-label {
  font-size: 0.6875rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--slate-400);
}
.trust-divider {
  width: 1px;
  height: 40px;
  background: var(--slate-200);
}

.hero-right { position: relative; }
.hero-img-wrap {
  position: relative;
  overflow: hidden;
  aspect-ratio: 680/860;
}
.hero-img-wrap img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}
.hero-img-accent {
  position: absolute;
  top: -20px;
  right: -20px;
  width: 120px;
  height: 120px;
  border: 1px solid var(--teal);
  opacity: 0.3;
  pointer-events: none;
}

/* ── SECTION COMMON ── */
.section-header {
  text-align: center;
  margin-bottom: 4rem;
}
.section-tag {
  font-size: 0.75rem;
  font-weight: 500;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--teal);
  margin-bottom: 1rem;
}
.section-title {
  font-family: var(--font-heading);
  font-size: clamp(2rem, 3.5vw, 2.75rem);
  font-weight: 600;
  line-height: 1.15;
  letter-spacing: -0.025em;
  color: var(--slate-900);
}

/* ── SERVICES ── */
.services {
  padding: 7rem 0;
  background: var(--slate-50);
}
.services-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
}
.service-card {
  background: var(--white);
  border: var(--line-thin);
  padding: 2.25rem;
  transition: all 0.3s ease;
  position: relative;
}
.service-card:hover {
  border-color: var(--teal);
  transform: translateY(-3px);
  box-shadow: 0 8px 30px rgba(13, 148, 136, 0.08);
}
.service-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--teal);
  transition: width 0.3s ease;
}
.service-card:hover::before { width: 100%; }

.service-icon {
  width: 44px;
  height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--slate-200);
  border-radius: 8px;
  margin-bottom: 1.5rem;
  color: var(--teal);
  transition: all 0.3s ease;
}
.service-card:hover .service-icon {
  background: var(--teal);
  border-color: var(--teal);
  color: var(--white);
}

.service-card h3 {
  font-family: var(--font-heading);
  font-size: 1.125rem;
  font-weight: 600;
  color: var(--slate-900);
  margin-bottom: 0.75rem;
  letter-spacing: -0.01em;
}
.service-card p {
  font-size: 0.9375rem;
  color: var(--slate-500);
  line-height: 1.7;
  font-weight: 300;
}

/* ── ABOUT ── */
.about {
  padding: 7rem 0;
  background: var(--white);
}
.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 5rem;
  align-items: center;
}
.about-img-wrap {
  overflow: hidden;
  aspect-ratio: 640/720;
}
.about-img-wrap img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  filter: grayscale(20%);
  transition: filter 0.4s ease;
}
.about-img-wrap:hover img { filter: grayscale(0%); }

.about-text-col .section-tag { text-align: left; margin-bottom: 1rem; }
.about-text-col .section-title { text-align: left; margin-bottom: 2rem; }
.about-body {
  font-size: 1rem;
  color: var(--slate-500);
  line-height: 1.8;
  margin-bottom: 1.25rem;
  font-weight: 300;
}
.about-features {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.75rem 2rem;
  margin-top: 2.5rem;
  padding-top: 2.5rem;
  border-top: var(--line);
}
.about-feature {
  display: flex;
  align-items: center;
  gap: 0.625rem;
  font-size: 0.875rem;
  color: var(--slate-700);
  font-weight: 400;
}
.about-feature svg { color: var(--teal); flex-shrink: 0; }

/* ── WHY US ── */
.why-us {
  padding: 7rem 0;
  background: var(--slate-900);
  color: var(--white);
}
.why-us .section-tag { color: var(--teal-light); }
.why-us .section-title { color: var(--white); }

.why-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 2rem;
}
.why-item { padding: 2rem 0; border-top: var(--line-thin); }
.why-num {
  font-family: var(--font-heading);
  font-size: 2.5rem;
  font-weight: 700;
  color: var(--teal);
  line-height: 1;
  margin-bottom: 1.25rem;
  letter-spacing: -0.03em;
}
.why-item h3 {
  font-family: var(--font-heading);
  font-size: 1.125rem;
  font-weight: 600;
  margin-bottom: 0.75rem;
  color: var(--white);
  letter-spacing: -0.01em;
}
.why-item p {
  font-size: 0.9375rem;
  color: var(--slate-400);
  line-height: 1.7;
  font-weight: 300;
}

/* ── CTA ── */
.cta-section {
  padding: 6rem 0;
  background: var(--teal);
}
.cta-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 3rem;
}
.cta-headline {
  font-family: var(--font-heading);
  font-size: clamp(1.75rem, 3vw, 2.5rem);
  font-weight: 700;
  color: var(--white);
  line-height: 1.15;
  letter-spacing: -0.025em;
  margin-bottom: 1rem;
}
.cta-sub {
  font-size: 1.0625rem;
  color: rgba(255, 255, 255, 0.8);
  font-weight: 300;
  max-width: 400px;
}
.cta-right { text-align: right; flex-shrink: 0; }
.cta-note {
  font-size: 0.8125rem;
  color: rgba(255, 255, 255, 0.6);
  margin-top: 0.75rem;
  letter-spacing: 0.02em;
}

/* ── CONTACT ── */
.contact {
  padding: 7rem 0;
  background: var(--slate-50);
}
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 5rem;
}
.contact-info .section-tag { text-align: left; margin-bottom: 1rem; }
.contact-info .section-title { text-align: left; margin-bottom: 2.5rem; }

.contact-details { display: flex; flex-direction: column; gap: 2rem; }
.contact-item {
  display: flex;
  gap: 1.25rem;
  align-items: flex-start;
}
.contact-item svg {
  color: var(--teal);
  flex-shrink: 0;
  margin-top: 0.15rem;
}
.contact-label {
  display: block;
  font-size: 0.6875rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--slate-400);
  margin-bottom: 0.35rem;
}
.contact-item span, .contact-item a {
  font-size: 1rem;
  color: var(--slate-700);
  text-decoration: none;
  line-height: 1.6;
}
.contact-item a:hover { color: var(--teal); }

.contact-form {
  background: var(--white);
  border: var(--line);
  padding: 2.5rem;
}
.contact-form h3 {
  font-family: var(--font-heading);
  font-size: 1.375rem;
  font-weight: 600;
  color: var(--slate-900);
  margin-bottom: 2rem;
  letter-spacing: -0.02em;
}
.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
}
.form-group { margin-bottom: 1.25rem; }
.form-group label {
  display: block;
  font-size: 0.75rem;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--slate-500);
  margin-bottom: 0.5rem;
}
.form-group input,
.form-group textarea {
  width: 100%;
  padding: 0.75rem 0;
  border: none;
  border-bottom: 1px solid var(--slate-200);
  font-family: var(--font-body);
  font-size: 0.9375rem;
  font-weight: 300;
  color: var(--slate-800);
  background: transparent;
  outline: none;
  transition: border-color 0.2s;
  resize: vertical;
}
.form-group input:focus,
.form-group textarea:focus {
  border-color: var(--teal);
}
.form-group input::placeholder,
.form-group textarea::placeholder {
  color: var(--slate-300);
}
.form-success {
  display: flex;
  align-items: center;
  gap: 0.625rem;
  margin-top: 1rem;
  padding: 1rem;
  background: var(--teal-50);
  border: 1px solid var(--teal-100);
  color: var(--teal-dark);
  font-size: 0.875rem;
  font-weight: 400;
}
.form-success svg { color: var(--teal); flex-shrink: 0; }

/* ── FOOTER ── */
.footer {
  background: var(--slate-900);
  color: var(--slate-400);
  padding: 4rem 0 2rem;
}
.footer-inner {
  display: flex;
  flex-direction: column;
  gap: 2.5rem;
}
.footer-brand { display: flex; flex-direction: column; gap: 0.75rem; }
.footer-brand .logo { color: var(--white); }
.footer-brand .logo:hover { color: var(--teal-light); }
.footer-desc {
  font-size: 0.875rem;
  color: var(--slate-500);
  font-weight: 300;
  max-width: 280px;
}
.footer-links {
  display: flex;
  gap: 2rem;
  flex-wrap: wrap;
}
.footer-links a {
  font-size: 0.8125rem;
  color: var(--slate-400);
  text-decoration: none;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  transition: color 0.2s;
}
.footer-links a:hover { color: var(--teal-light); }
.footer-contact {
  font-size: 0.875rem;
  line-height: 1.8;
}
.footer-contact a {
  color: var(--teal-light);
  text-decoration: none;
  transition: color 0.2s;
}
.footer-contact a:hover { color: var(--white); }
.footer-bottom {
  padding-top: 2rem;
  border-top: var(--line-thin);
  font-size: 0.8125rem;
  color: var(--slate-600);
}

/* ── ANIMATIONS ── */
.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}
.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}

/* ── MOBILE NAV ── */
@media (max-width: 1024px) {
  .why-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 768px) {
  .container { padding: 0 1.5rem; }

  .nav, .nav-phone { display: none; }
  .menu-toggle { display: flex; }

  .nav.open {
    display: flex;
    position: fixed;
    top: 74px;
    left: 0;
    right: 0;
    bottom: 0;
    background: var(--white);
    z-index: 999;
    padding: 3rem 1.5rem;
    animation: fadeIn 0.3s ease;
  }
  .nav.open .nav-list {
    flex-direction: column;
    gap: 1.5rem;
  }
  .nav.open .nav-link {
    font-size: 1.125rem;
    letter-spacing: 0.02em;
    text-transform: none;
  }

  .hero { padding-top: 110px; min-height: auto; }
  .hero-inner {
    grid-template-columns: 1fr;
    gap: 2.5rem;
  }
  .hero-headline br { display: block; }
  .hero-right { order: -1; }
  .hero-img-wrap { aspect-ratio: 4/3; }
  .hero-img-accent { display: none; }
  .hero-sub { margin-bottom: 2rem; }
  .hero-trust { margin-bottom: 0; }

  .services { padding: 5rem 0; }
  .services-grid { grid-template-columns: 1fr; gap: 1rem; }
  .service-card { padding: 1.75rem; }

  .about { padding: 5rem 0; }
  .about-grid {
    grid-template-columns: 1fr;
    gap: 3rem;
  }
  .about-img-wrap { aspect-ratio: 4/3; }
  .about-text-col .section-tag,
  .about-text-col .section-title { text-align: center; }
  .about-body { text-align: center; }
  .about-features { text-align: left; }

  .why-us { padding: 5rem 0; }
  .why-grid { grid-template-columns: 1fr; gap: 1rem; }
  .why-item { padding: 1.5rem 0; }

  .cta-section { padding: 4rem 0; }
  .cta-inner {
    flex-direction: column;
    text-align: center;
    gap: 2rem;
  }
  .cta-right { text-align: center; }
  .cta-sub { max-width: 100%; }

  .contact { padding: 5rem 0; }
  .contact-grid { grid-template-columns: 1fr; gap: 3rem; }
  .contact-info .section-tag,
  .contact-info .section-title { text-align: center; }
  .contact-details { align-items: center; }
  .contact-item { justify-content: center; text-align: left; }
  .form-row { grid-template-columns: 1fr; }
  .contact-form { padding: 2rem 1.5rem; }

  .footer { padding: 3rem 0 1.5rem; }
  .footer-links { justify-content: center; }
  .footer-contact { text-align: center; }
  .footer-bottom { text-align: center; }
}

@media (max-width: 480px) {
  .hero-headline { font-size: 2.25rem; }
  .hero-ctas { flex-direction: column; }
  .hero-ctas .btn { width: 100%; justify-content: center; }
  .hero-trust { flex-direction: column; align-items: flex-start; gap: 1rem; }
  .trust-divider { width: 40px; height: 1px; }
  .btn-lg { width: 100%; }
}

@keyframes fadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}