:root {
  --tao-navy: #1a2236;
  --tao-deep: #17334b;
  --tao-mid: #125471;
  --tao-bright: #0b7a9f;
  --tao-white: #ffffff;
  --tao-off: #f5f7fa;
  --tao-muted: #5b6777;
  --tao-border: #d7dee7;
  --tao-success: #1f7a4d;
  --tao-danger: #a33b3b;
  --font-display: "Montserrat", system-ui, sans-serif;
  --font-body: "Poppins", system-ui, sans-serif;
  --radius: 1.25rem;
  --shadow: 0 18px 40px rgba(26, 34, 54, 0.12);
  --container: 70rem;
  --header-h: 4.25rem;
}

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

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: var(--font-body);
  font-weight: 400;
  color: var(--tao-navy);
  background: var(--tao-white);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

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

a {
  color: var(--tao-mid);
  text-decoration-thickness: 1px;
  text-underline-offset: 0.2em;
}

a:hover {
  color: var(--tao-bright);
}

:focus-visible {
  outline: 3px solid var(--tao-bright);
  outline-offset: 3px;
}

h1,
h2,
h3,
.display {
  font-family: var(--font-display);
  font-weight: 700;
  line-height: 1.15;
  letter-spacing: -0.02em;
  margin: 0 0 0.75rem;
}

h1 {
  font-size: clamp(1.85rem, 6vw, 3.25rem);
}

h2 {
  font-size: clamp(1.5rem, 4vw, 2.25rem);
}

h3 {
  font-size: clamp(1.15rem, 2.5vw, 1.35rem);
}

p {
  margin: 0 0 1rem;
  color: var(--tao-muted);
}

.container {
  width: min(100% - 2rem, var(--container));
  margin-inline: auto;
}

.skip-link {
  position: absolute;
  left: -999px;
  top: 0;
  background: var(--tao-navy);
  color: #fff;
  padding: 0.75rem 1rem;
  z-index: 1000;
}

.skip-link:focus {
  left: 1rem;
  top: 1rem;
}

/* Header */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(255, 255, 255, 0.94);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--tao-border);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  min-height: var(--header-h);
  position: relative;
}

.nav-mobile-cta {
  display: block;
}

@media (min-width: 768px) {
  .nav-mobile-cta {
    display: none;
  }

  .header-inner {
    display: grid;
    grid-template-columns: auto 1fr auto;
    align-items: center;
  }

  .nav {
    justify-self: center;
  }
}

.logo-link {
  display: flex;
  align-items: center;
  flex: 0 1 auto;
  max-width: min(58vw, 13.5rem);
  overflow: visible;
}

.logo-link img {
  display: block;
  height: auto;
  width: 100%;
  max-height: 40px;
  max-width: 100%;
  min-width: 0;
  object-fit: contain;
  object-position: left center;
}

.nav-toggle {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 2.75rem;
  height: 2.75rem;
  border: 1px solid var(--tao-border);
  border-radius: 999px;
  background: #fff;
  cursor: pointer;
}

.nav-toggle span {
  display: block;
  width: 1.1rem;
  height: 2px;
  background: var(--tao-navy);
  position: relative;
}

.nav-toggle span::before,
.nav-toggle span::after {
  content: "";
  position: absolute;
  left: 0;
  width: 100%;
  height: 2px;
  background: var(--tao-navy);
}

.nav-toggle span::before {
  top: -6px;
}

.nav-toggle span::after {
  top: 6px;
}

.nav {
  display: none;
  position: absolute;
  left: 0;
  right: 0;
  top: var(--header-h);
  background: #fff;
  border-bottom: 1px solid var(--tao-border);
  padding: 1rem;
}

.nav.is-open {
  display: block;
}

.nav-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 0.35rem;
}

.nav-list a {
  display: block;
  padding: 0.85rem 1rem;
  color: var(--tao-navy);
  text-decoration: none;
  border-radius: 0.75rem;
  font-weight: 500;
}

.nav-list a[aria-current="page"],
.nav-list a:hover {
  background: var(--tao-off);
  color: var(--tao-mid);
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.lang-switch {
  display: inline-flex;
  border: 1px solid var(--tao-border);
  border-radius: 999px;
  overflow: hidden;
}

.lang-switch a {
  padding: 0.45rem 0.7rem;
  text-decoration: none;
  color: var(--tao-muted);
  font-size: 0.8rem;
  font-weight: 600;
}

.lang-switch a.is-active {
  background: var(--tao-navy);
  color: #fff;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.4rem;
  min-height: 2.85rem;
  padding: 0.7rem 1.25rem;
  border-radius: 999px;
  border: 2px solid transparent;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 0.92rem;
  text-decoration: none;
  cursor: pointer;
  transition: transform 0.2s ease, background 0.2s ease, color 0.2s ease;
}

.btn:hover {
  transform: translateY(-1px);
}

.btn-primary {
  background: linear-gradient(135deg, var(--tao-mid), var(--tao-bright));
  color: #fff;
}

.btn-primary:hover {
  color: #fff;
}

.btn-secondary {
  background: transparent;
  border-color: rgba(255, 255, 255, 0.7);
  color: #fff;
}

.btn-secondary:hover {
  background: rgba(255, 255, 255, 0.12);
  color: #fff;
}

.btn-outline {
  background: #fff;
  border-color: var(--tao-mid);
  color: var(--tao-mid);
}

.btn-ghost {
  background: transparent;
  color: var(--tao-mid);
  border-color: var(--tao-border);
}

.header-cta {
  display: none;
}

/* Hero */
.hero {
  position: relative;
  min-height: min(88vh, 42rem);
  display: grid;
  align-items: end;
  color: #fff;
  overflow: hidden;
  background: linear-gradient(160deg, var(--tao-navy), var(--tao-mid) 55%, var(--tao-bright));
}

.hero-media {
  position: absolute;
  inset: 0;
}

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

.hero-overlay {
  position: absolute;
  inset: 0;
  background:
    linear-gradient(180deg, rgba(26, 34, 54, 0.35), rgba(23, 51, 75, 0.78) 55%, rgba(18, 84, 113, 0.88)),
    radial-gradient(ellipse at 20% 20%, rgba(11, 122, 159, 0.35), transparent 50%);
}

.hero-content {
  position: relative;
  z-index: 1;
  padding: 4.5rem 0 3.5rem;
  max-width: 40rem;
}

.hero-content p {
  color: rgba(255, 255, 255, 0.88);
  font-size: 1.05rem;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-top: 1.5rem;
}

.wave {
  display: block;
  width: 100%;
  height: 3.5rem;
  margin-top: -1px;
}

.wave path {
  fill: var(--tao-white);
}

.wave-off path {
  fill: var(--tao-off);
}

/* Sections */
.section {
  padding: 4rem 0;
}

.section-alt {
  background: var(--tao-off);
}

.section-head {
  max-width: 40rem;
  margin-bottom: 2rem;
}

.split {
  display: grid;
  gap: 1.75rem;
  align-items: center;
}

.split-media {
  border-radius: var(--radius);
  overflow: hidden;
  min-height: 16rem;
  background: linear-gradient(135deg, var(--tao-deep), var(--tao-bright));
}

.split-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  min-height: 16rem;
}

.card-grid {
  display: grid;
  gap: 1.25rem;
}

.card {
  background: #fff;
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow);
}

.card-media {
  aspect-ratio: 16 / 10;
  background: linear-gradient(135deg, var(--tao-deep), var(--tao-bright));
}

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

.card-body {
  padding: 1.25rem 1.35rem 1.5rem;
}

.service-points {
  margin: 0 0 1.25rem;
  padding-left: 1.15rem;
  color: var(--tao-muted);
  display: grid;
  gap: 0.45rem;
}

.service-points li {
  padding-left: 0.15rem;
}


.value-grid {
  display: grid;
  gap: 1rem;
}

.value-item {
  padding: 1.35rem;
  border-radius: var(--radius);
  background: #fff;
  border: 1px solid var(--tao-border);
  position: relative;
  overflow: hidden;
}

.value-item::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 4px;
  background: linear-gradient(180deg, var(--tao-mid), var(--tao-bright));
}

.industry-grid {
  display: grid;
  gap: 1.25rem;
}

.industry-card {
  position: relative;
  border-radius: var(--radius);
  overflow: hidden;
  min-height: 16rem;
  color: #fff;
  display: flex;
  align-items: flex-end;
}

.industry-card img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.industry-card .overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, transparent, rgba(26, 34, 54, 0.85));
}

.industry-card .text {
  position: relative;
  z-index: 1;
  padding: 1.5rem;
}

.industry-card p {
  color: rgba(255, 255, 255, 0.88);
}

.philosophy {
  background: linear-gradient(135deg, var(--tao-navy), var(--tao-mid) 60%, var(--tao-bright));
  color: #fff;
  border-radius: calc(var(--radius) + 0.35rem);
  padding: 2.5rem 1.5rem;
  position: relative;
  overflow: hidden;
}

.philosophy::after {
  content: "";
  position: absolute;
  width: 18rem;
  height: 18rem;
  border-radius: 50%;
  border: 2px solid rgba(255, 255, 255, 0.12);
  right: -4rem;
  bottom: -6rem;
}

.philosophy p {
  color: rgba(255, 255, 255, 0.88);
  max-width: 40rem;
}

.cta-band {
  background: linear-gradient(120deg, var(--tao-deep), var(--tao-mid), var(--tao-bright));
  color: #fff;
  padding: 3.5rem 0;
  text-align: center;
}

.cta-band p {
  color: rgba(255, 255, 255, 0.9);
  max-width: 34rem;
  margin-inline: auto;
}

/* Forms */
.form-grid {
  display: grid;
  gap: 1rem;
}

.form-row {
  display: grid;
  gap: 1rem;
}

label {
  display: grid;
  gap: 0.35rem;
  font-size: 0.92rem;
  font-weight: 500;
  color: var(--tao-navy);
}

input,
select,
textarea {
  width: 100%;
  min-height: 2.85rem;
  border: 1px solid var(--tao-border);
  border-radius: 0.85rem;
  padding: 0.7rem 0.9rem;
  font: inherit;
  background: #fff;
  color: var(--tao-navy);
}

textarea {
  min-height: 8rem;
  resize: vertical;
}

.field-error {
  color: var(--tao-danger);
  font-size: 0.85rem;
}

.alert {
  padding: 0.9rem 1rem;
  border-radius: 0.85rem;
  margin-bottom: 1rem;
}

.alert-success {
  background: #e8f6ee;
  color: var(--tao-success);
}

.alert-error {
  background: #fdeeee;
  color: var(--tao-danger);
}

.honeypot {
  position: absolute;
  left: -10000px;
  opacity: 0;
  height: 0;
  overflow: hidden;
}

.contact-layout {
  display: grid;
  gap: 2rem;
}

.info-panel {
  background: var(--tao-off);
  border-radius: var(--radius);
  padding: 1.5rem;
}

.info-panel a {
  color: var(--tao-mid);
}

/* Footer */
.site-footer {
  background: linear-gradient(160deg, #141b2c 0%, var(--tao-navy) 45%, var(--tao-deep) 100%);
  color: rgba(255, 255, 255, 0.9);
  padding: 3.25rem 0 1.35rem;
}

.site-footer a {
  color: rgba(255, 255, 255, 0.9);
  text-decoration: none;
}

.site-footer a:hover {
  color: #fff;
}

.footer-grid {
  display: grid;
  gap: 2rem;
}

.footer-logo {
  display: inline-flex;
  align-items: center;
  margin-bottom: 0.85rem;
  max-width: min(100%, 14.5rem);
  overflow: visible;
}

.footer-logo img {
  display: block;
  height: auto;
  width: 100%;
  max-height: 46px;
  max-width: 100%;
  object-fit: contain;
  object-position: left center;
}

.footer-tagline {
  margin: 0;
  max-width: 22rem;
  color: rgba(255, 255, 255, 0.78);
  font-size: 0.95rem;
  line-height: 1.55;
}

.footer-heading {
  margin: 0 0 0.85rem;
  color: #fff;
  font-family: var(--font-display);
  font-size: 0.95rem;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.footer-nav {
  display: grid;
  gap: 0.55rem;
}

.footer-nav a {
  width: fit-content;
}

.footer-contact .footer-note {
  margin: 0;
  color: rgba(255, 255, 255, 0.72);
  font-size: 0.92rem;
}

.footer-cta {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  margin-top: 0.35rem;
  min-height: 2.5rem;
  padding: 0.45rem 1rem;
  border-radius: 999px;
  background: linear-gradient(135deg, var(--tao-mid), var(--tao-bright));
  color: #fff !important;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 0.85rem;
  width: fit-content;
}

.footer-social {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-top: 0.35rem;
}

.footer-bottom {
  margin-top: 2.25rem;
  padding-top: 1.1rem;
  border-top: 1px solid rgba(255, 255, 255, 0.14);
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem 1.25rem;
  justify-content: space-between;
  align-items: center;
  font-size: 0.85rem;
  color: rgba(255, 255, 255, 0.7);
}

/* Keep sticky mobile CTA from covering footer / Admin Login */
@media (max-width: 767px) {
  body {
    padding-bottom: 5.5rem;
  }

  .site-footer {
    padding-bottom: 5.75rem;
  }

  body.page-contact {
    padding-bottom: 0;
  }

  body.page-contact .site-footer {
    padding-bottom: 1.35rem;
  }
}

.footer-legal {
  display: flex;
  flex-wrap: wrap;
  gap: 0.45rem 0.65rem;
  align-items: center;
}

.footer-sep {
  opacity: 0.45;
}

.footer-meta {
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  gap: 0.35rem;
  text-align: right;
}

.footer-credit {
  margin: 0;
  font-size: 0.8rem;
  color: rgba(255, 255, 255, 0.62);
}

.footer-credit a {
  color: rgba(255, 255, 255, 0.88);
  text-decoration: underline;
  text-underline-offset: 0.15em;
}

.footer-credit a:hover {
  color: #fff;
}

.footer-bottom .admin-link {
  opacity: 0.45;
  font-size: 0.78rem;
}

.footer-bottom .admin-link:hover {
  opacity: 0.85;
}

@media (max-width: 640px) {
  .footer-bottom {
    flex-direction: column;
    align-items: flex-start;
  }

  .footer-meta {
    align-items: flex-start;
    text-align: left;
  }
}


/* Sticky mobile CTA */
.mobile-cta {
  position: fixed;
  left: 1rem;
  right: 1rem;
  bottom: 1rem;
  z-index: 90;
  display: flex;
  gap: 0.5rem;
}

.mobile-cta .btn {
  flex: 1;
  box-shadow: var(--shadow);
}

@media (min-width: 768px) {
  .nav-toggle {
    display: none;
  }

  .nav {
    display: block;
    position: static;
    border: 0;
    padding: 0;
    background: transparent;
  }

  .nav-list {
    display: flex;
    align-items: center;
    gap: 0.15rem;
  }

  .nav-list a {
    padding: 0.55rem 0.8rem;
  }

  .header-cta {
    display: inline-flex;
  }

  .mobile-cta {
    display: none;
  }

  .split {
    grid-template-columns: 1.05fr 0.95fr;
    gap: 2.5rem;
  }

  .split.reverse .split-media {
    order: 2;
  }

  .card-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .value-grid {
    grid-template-columns: repeat(2, 1fr);
  }

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

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

  .contact-layout {
    grid-template-columns: 1.2fr 0.8fr;
  }

  .footer-grid {
    grid-template-columns: 1.5fr 1fr 1.15fr;
    align-items: start;
    gap: 2.5rem;
  }

  .philosophy {
    padding: 3rem;
  }
}

@media (min-width: 1024px) {
  .card-grid.three {
    grid-template-columns: repeat(3, 1fr);
  }

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

/* Motion */
@media (prefers-reduced-motion: no-preference) {
  .reveal {
    opacity: 0;
    transform: translateY(18px);
    animation: rise 0.7s ease forwards;
  }

  .reveal:nth-child(2) {
    animation-delay: 0.08s;
  }

  .reveal:nth-child(3) {
    animation-delay: 0.16s;
  }

  .reveal:nth-child(4) {
    animation-delay: 0.24s;
  }

  @keyframes rise {
    to {
      opacity: 1;
      transform: none;
    }
  }

  .hero-content {
    animation: rise 0.8s ease both;
  }
}