/* Teknikal — Precision Blue design system */

@import url("https://fonts.googleapis.com/css2?family=Sora:wght@500;600;700&family=Source+Sans+3:ital,wght@0,400;0,600;0,700;1,400&display=swap");

:root {
  --tk-blue: #1e5bb8;
  --tk-blue-deep: #0f2744;
  --tk-ink: #1a2332;
  --tk-muted: #5a6a7e;
  --tk-paper: #f4f7fb;
  --tk-mist: #e8eef6;
  --tk-line: #c5d0de;
  --tk-accent: #0d8a7f;
  --tk-white: #ffffff;
  --font-display: "Sora", sans-serif;
  --font-body: "Source Sans 3", sans-serif;
  --tk-radius: 0.35rem;
  --tk-nav-h: 4.25rem;
  --tk-ease: cubic-bezier(0.22, 1, 0.36, 1);
}

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

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: var(--font-body);
  font-size: 1.0625rem;
  line-height: 1.65;
  color: var(--tk-ink);
  background-color: var(--tk-paper);
  background-image:
    linear-gradient(180deg, rgba(30, 91, 184, 0.04) 0%, transparent 28%),
    linear-gradient(rgba(15, 39, 68, 0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(15, 39, 68, 0.03) 1px, transparent 1px);
  background-size: auto, 48px 48px, 48px 48px;
  background-attachment: fixed;
}

h1, h2, h3, h4, .navbar-brand, .tk-brand-word {
  font-family: var(--font-display);
  font-weight: 600;
  letter-spacing: -0.02em;
  color: var(--tk-blue-deep);
}

h1 { font-size: clamp(1.85rem, 3.5vw, 2.65rem); line-height: 1.15; }
h2 { font-size: clamp(1.35rem, 2.2vw, 1.75rem); margin-top: 0; }
h3 { font-size: 1.2rem; }

a {
  color: var(--tk-blue);
  text-decoration-thickness: 1px;
  text-underline-offset: 0.15em;
}

a:hover {
  color: var(--tk-blue-deep);
}

.tk-container {
  width: min(1120px, calc(100% - 2rem));
  margin-inline: auto;
}

.tk-shell {
  width: 100%;
}

/* ——— Nav ——— */
.tk-nav {
  position: sticky;
  top: 0;
  z-index: 1030;
  min-height: var(--tk-nav-h);
  background: rgba(244, 247, 251, 0.86);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid transparent;
  transition: border-color 0.25s var(--tk-ease), background 0.25s var(--tk-ease);
}

.tk-nav.is-solid {
  background: rgba(255, 255, 255, 0.96);
  border-bottom-color: var(--tk-line);
}

.tk-nav .navbar-brand img {
  height: 42px;
  width: auto;
}

.tk-nav .nav-link {
  font-family: var(--font-display);
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--tk-ink) !important;
  padding: 0.5rem 0.85rem !important;
}

.tk-nav .nav-link:hover,
.tk-nav .nav-link:focus {
  color: var(--tk-blue) !important;
}

.tk-nav .navbar-toggler {
  border-color: var(--tk-line);
}

.tk-nav .navbar-toggler:focus {
  box-shadow: 0 0 0 0.2rem rgba(30, 91, 184, 0.2);
}

.tk-nav .dropdown-menu {
  border: 1px solid var(--tk-line);
  border-radius: 0.5rem;
  box-shadow: 0 12px 32px rgba(15, 35, 70, 0.1);
  padding: 0.5rem 0;
  min-width: 15.5rem;
}

.tk-nav .dropdown-item {
  font-size: 0.9rem;
  color: var(--tk-ink);
  padding: 0.45rem 1rem;
}

.tk-nav .dropdown-item:hover,
.tk-nav .dropdown-item:focus {
  background: var(--tk-mist);
  color: var(--tk-blue);
}

.tk-nav-cta {
  font-family: var(--font-display);
  font-weight: 600;
  padding: 0.45rem 1rem !important;
  white-space: nowrap;
}

@media (max-width: 991.98px) {
  .tk-nav .dropdown-menu {
    border: 0;
    box-shadow: none;
    background: transparent;
    padding-left: 0.75rem;
  }

  .tk-nav-cta {
    margin: 0.75rem 0 0.25rem;
    display: inline-block;
  }
}

/* ——— Main / footer ——— */
.tk-main {
  min-height: 50vh;
}

.tk-footer {
  margin-top: 3rem;
  padding: 2.75rem 0 1.5rem;
  background: var(--tk-blue-deep);
  color: rgba(255, 255, 255, 0.82);
}

.tk-footer a {
  color: #fff;
  text-decoration: none;
}

.tk-footer a:hover {
  color: #b8d4ff;
  text-decoration: underline;
}

.tk-footer__title {
  font-family: var(--font-display);
  font-size: 0.95rem;
  font-weight: 600;
  color: #fff;
  margin-bottom: 0.75rem;
}

.tk-footer__copy {
  margin-top: 2rem;
  padding-top: 1.25rem;
  border-top: 1px solid rgba(255, 255, 255, 0.12);
  font-size: 0.875rem;
  text-align: center;
  color: rgba(255, 255, 255, 0.55);
}

/* ——— Buttons ——— */
.btn-primary,
.tk-cta {
  --bs-btn-bg: var(--tk-blue);
  --bs-btn-border-color: var(--tk-blue);
  --bs-btn-hover-bg: var(--tk-blue-deep);
  --bs-btn-hover-border-color: var(--tk-blue-deep);
  --bs-btn-active-bg: var(--tk-blue-deep);
  --bs-btn-active-border-color: var(--tk-blue-deep);
  font-family: var(--font-display);
  font-weight: 600;
  border-radius: var(--tk-radius);
  padding: 0.65rem 1.25rem;
}

.btn-outline-secondary,
.tk-cta-secondary {
  font-family: var(--font-display);
  font-weight: 600;
  border-radius: var(--tk-radius);
  border-color: var(--tk-line);
  color: var(--tk-blue-deep);
  background: transparent;
  padding: 0.65rem 1.25rem;
}

.btn-outline-secondary:hover,
.tk-cta-secondary:hover {
  background: var(--tk-mist);
  border-color: var(--tk-blue);
  color: var(--tk-blue-deep);
}

.btn-outline-success {
  font-family: var(--font-display);
  font-weight: 600;
  border-radius: var(--tk-radius);
}

/* ——— Hero (homepage) ——— */
.tk-hero {
  position: relative;
  min-height: min(88vh, 720px);
  display: flex;
  align-items: flex-end;
  color: #fff;
  overflow: hidden;
  background-color: var(--tk-blue-deep);
  background-image: url("/img/homepage_services.jpg");
  background-size: cover;
  background-position: center 30%;
}

.tk-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    linear-gradient(105deg, rgba(15, 39, 68, 0.92) 0%, rgba(15, 39, 68, 0.72) 48%, rgba(30, 91, 184, 0.45) 100%),
    linear-gradient(0deg, rgba(15, 39, 68, 0.55) 0%, transparent 45%);
}

.tk-hero__inner {
  position: relative;
  z-index: 1;
  width: min(1120px, calc(100% - 2rem));
  margin: 0 auto;
  padding: 4.5rem 0 3.5rem;
}

.tk-brand-word {
  display: block;
  font-size: clamp(2.75rem, 8vw, 4.75rem);
  font-weight: 700;
  line-height: 0.95;
  color: #fff;
  margin: 0 0 1rem;
  letter-spacing: -0.03em;
}

.tk-hero h1 {
  color: #fff;
  font-size: clamp(1.35rem, 2.8vw, 1.85rem);
  font-weight: 500;
  max-width: 22ch;
  margin: 0 0 0.85rem;
  letter-spacing: -0.015em;
}

.tk-hero__support {
  max-width: 36rem;
  margin: 0 0 1.75rem;
  font-size: 1.1rem;
  color: rgba(255, 255, 255, 0.88);
}

.tk-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
}

.tk-hero__trust {
  font-size: 0.9rem;
  color: rgba(255, 255, 255, 0.72);
  letter-spacing: 0.01em;
}

.tk-hero .btn-primary {
  background: #fff;
  border-color: #fff;
  color: var(--tk-blue-deep);
}

.tk-hero .btn-primary:hover {
  background: var(--tk-mist);
  border-color: var(--tk-mist);
  color: var(--tk-blue-deep);
}

.tk-hero .tk-cta-secondary {
  border-color: rgba(255, 255, 255, 0.55);
  color: #fff;
}

.tk-hero .tk-cta-secondary:hover {
  background: rgba(255, 255, 255, 0.12);
  border-color: #fff;
  color: #fff;
}

.tk-hero__inner.is-ready {
  animation: tkRise 0.85s var(--tk-ease) both;
}

@keyframes tkRise {
  from {
    opacity: 0;
    transform: translateY(1.25rem);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* ——— Sections ——— */
.tk-section {
  padding: 3.5rem 0;
}

.tk-section--mist {
  background: rgba(232, 238, 246, 0.72);
}

.tk-section__eyebrow {
  font-family: var(--font-display);
  font-size: 0.8rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--tk-blue);
  margin-bottom: 0.5rem;
}

.tk-prose {
  max-width: 68ch;
}

.tk-prose .lead {
  color: var(--tk-muted);
  font-size: 1.15rem;
}

/* Editorial service bands */
.tk-band {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1.15fr);
  gap: 2rem;
  align-items: center;
  padding: 2.25rem 0;
  border-bottom: 1px solid var(--tk-line);
}

.tk-band:last-child {
  border-bottom: 0;
}

.tk-band--flip {
  grid-template-columns: minmax(0, 1.15fr) minmax(0, 1fr);
}

.tk-band--flip .tk-band__media {
  order: 2;
}

.tk-band--flip .tk-band__body {
  order: 1;
}

.tk-band__media img {
  width: 100%;
  height: auto;
  aspect-ratio: 4 / 3;
  object-fit: cover;
  border-radius: var(--tk-radius);
  display: block;
}

.tk-band__body h3 {
  margin: 0 0 0.65rem;
}

.tk-band__body h3 a {
  color: var(--tk-blue-deep);
  text-decoration: none;
}

.tk-band__body h3 a:hover {
  color: var(--tk-blue);
}

.tk-band__body p {
  margin: 0 0 0.85rem;
  color: var(--tk-muted);
}

.tk-band__link {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 0.95rem;
}

.tk-reveal {
  opacity: 0;
  transform: translateY(0.75rem);
  transition: opacity 0.6s var(--tk-ease), transform 0.6s var(--tk-ease);
}

.tk-reveal.is-visible {
  opacity: 1;
  transform: translateY(0);
}

/* ——— Service pages ——— */
.tk-page {
  padding: 1.5rem 0 3rem;
}

.tk-breadcrumb .breadcrumb {
  background: transparent;
  padding: 0;
  margin-bottom: 1.25rem;
  font-size: 0.9rem;
}

.tk-breadcrumb .breadcrumb-item + .breadcrumb-item::before {
  color: var(--tk-muted);
}

.tk-service-intro {
  display: grid;
  grid-template-columns: minmax(0, 0.95fr) minmax(0, 1.15fr);
  gap: 2rem;
  align-items: center;
  margin-bottom: 2.5rem;
}

.tk-service-intro__media img {
  width: 100%;
  height: auto;
  aspect-ratio: 4 / 3;
  object-fit: cover;
  border-radius: var(--tk-radius);
  display: block;
}

.tk-service-intro .lead {
  color: var(--tk-muted);
}

.tk-cta-band {
  margin-top: 2rem;
  padding: 2rem;
  background: var(--tk-mist);
  border-radius: var(--tk-radius);
  border: 1px solid var(--tk-line);
}

.tk-cta-band h2 {
  margin-top: 0;
}

.table {
  --bs-table-bg: transparent;
}

.table thead.table-light {
  --bs-table-bg: var(--tk-mist);
  --bs-table-color: var(--tk-blue-deep);
}

.accordion-item {
  background: var(--tk-white);
  border-color: var(--tk-line);
}

.accordion-button {
  font-family: var(--font-display);
  font-weight: 600;
  color: var(--tk-blue-deep);
  background: var(--tk-white);
}

.accordion-button:not(.collapsed) {
  background: var(--tk-mist);
  color: var(--tk-blue-deep);
  box-shadow: none;
}

.accordion-button:focus {
  box-shadow: 0 0 0 0.2rem rgba(30, 91, 184, 0.15);
}

.service-hero-image {
  max-width: 100%;
  max-height: 320px;
  width: 100%;
  object-fit: cover;
  border-radius: var(--tk-radius);
}

.bg-light {
  background-color: var(--tk-mist) !important;
}

/* WhatsApp */
.whatsapp-float {
  position: fixed;
  bottom: 1.25rem;
  right: 1.25rem;
  background-color: #25d366;
  color: #fff;
  border-radius: 50%;
  width: 3.25rem;
  height: 3.25rem;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  z-index: 1000;
  text-decoration: none;
  border: 2px solid rgba(255, 255, 255, 0.35);
}

.whatsapp-float:hover {
  color: #fff;
  text-decoration: none;
  filter: brightness(1.05);
}

@media (max-width: 991.98px) {
  .tk-nav .navbar-collapse {
    position: absolute;
    top: 100%;
    right: 0.75rem;
    left: 0.75rem;
    background: var(--tk-white);
    border: 1px solid var(--tk-line);
    border-radius: var(--tk-radius);
    padding: 0.75rem;
  }

  .tk-band,
  .tk-band--flip,
  .tk-service-intro {
    grid-template-columns: 1fr;
  }

  .tk-band--flip .tk-band__media,
  .tk-band--flip .tk-band__body {
    order: initial;
  }

  .tk-hero {
    min-height: min(78vh, 640px);
    align-items: flex-end;
  }

  .tk-hero__inner {
    padding-bottom: 2.5rem;
  }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }

  .tk-hero__inner.is-ready,
  .tk-reveal,
  .tk-reveal.is-visible,
  .tk-nav {
    animation: none !important;
    transition: none !important;
    opacity: 1 !important;
    transform: none !important;
  }
}