/* ============================================================
   TOKKE — Design System v5 (Refactor completo 2026)
   Arquivo base usado em todas as páginas
   ============================================================ */

/* ---------- Variáveis ---------- */
:root {
  --tk-green:    #0c5945;
  --tk-green-2:  #12735a;
  --tk-accent:   #2fae7f;
  --tk-accent-2: #1e8c62;
  --tk-ink:      #0f1f1a;
  --tk-muted:    #4e6b61;
  --tk-light:    #f2f9f6;
  --tk-border:   #d8ece4;
  --tk-white:    #ffffff;
  --shadow-sm:   0 2px 8px rgba(12,89,69,.08);
  --shadow-md:   0 8px 28px rgba(12,89,69,.12);
  --shadow-lg:   0 20px 56px rgba(12,89,69,.16);
  --r-sm: 10px;
  --r-md: 16px;
  --r-lg: 24px;
  --r-xl: 32px;
}

/* ---------- Reset / Base ---------- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
  font-family: 'Plus Jakarta Sans', 'Inter', system-ui, sans-serif;
  color: var(--tk-ink);
  background: var(--tk-white);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  overflow-x: hidden;
}
img { max-width: 100%; height: auto; display: block; }
a { text-decoration: none; color: inherit; }
button { cursor: pointer; border: none; background: none; font: inherit; }
ul, ol { list-style: none; }

/* ---------- Typography ---------- */
.tk-display  { font-size: clamp(2.8rem, 6vw, 5.4rem); font-weight: 800; line-height: 1.08; letter-spacing: -0.03em; }
.tk-h1       { font-size: clamp(2.2rem, 4vw, 3.4rem);  font-weight: 800; line-height: 1.12; letter-spacing: -0.025em; }
.tk-h2       { font-size: clamp(1.7rem, 3vw, 2.6rem);  font-weight: 700; line-height: 1.18; letter-spacing: -0.02em; }
.tk-h3       { font-size: clamp(1.2rem, 2vw, 1.5rem);  font-weight: 700; line-height: 1.3; }
.tk-body     { font-size: 1.05rem; line-height: 1.72; color: var(--tk-muted); }
.tk-small    { font-size: 0.875rem; line-height: 1.6; }
.tk-eyebrow  { font-size: 0.76rem; font-weight: 700; letter-spacing: 0.18em; text-transform: uppercase; color: var(--tk-accent); }

/* ---------- Layout ---------- */
.tk-container { max-width: 1280px; margin-inline: auto; padding-inline: clamp(20px, 5vw, 60px); }
.tk-grid-2    { display: grid; grid-template-columns: repeat(2,1fr); gap: 32px; }
.tk-grid-3    { display: grid; grid-template-columns: repeat(3,1fr); gap: 28px; }
.tk-grid-4    { display: grid; grid-template-columns: repeat(4,1fr); gap: 24px; }
.tk-flex-center { display: flex; align-items: center; justify-content: center; }
.tk-flex-between { display: flex; align-items: center; justify-content: space-between; }
.tk-section { padding-block: 96px; }
.tk-section--sm { padding-block: 64px; }
.tk-text-center { text-align: center; }
.tk-col-header { margin-bottom: 52px; }
.tk-col-header.tk-text-center .tk-eyebrow { display: block; margin-bottom: 10px; }
.tk-col-header.tk-text-center .tk-h2 { max-width: 640px; margin-inline: auto; }
.tk-col-header.tk-text-center .tk-body { max-width: 560px; margin-inline: auto; margin-top: 14px; }

/* ---------- Buttons ---------- */
.tk-btn {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 14px 30px;
  font-size: 0.95rem; font-weight: 700; letter-spacing: 0.01em;
  border-radius: 999px;
  transition: transform .2s ease, box-shadow .2s ease, background .2s ease, color .2s ease;
  white-space: nowrap;
}
.tk-btn-primary {
  background: linear-gradient(135deg, var(--tk-accent), var(--tk-green));
  color: var(--tk-white);
  box-shadow: 0 8px 22px rgba(12,89,69,.28);
}
.tk-btn-primary:hover { transform: translateY(-3px); box-shadow: 0 14px 30px rgba(12,89,69,.36); }
.tk-btn-outline {
  border: 2px solid var(--tk-white);
  color: var(--tk-white);
  background: transparent;
}
.tk-btn-outline:hover { background: var(--tk-white); color: var(--tk-green); }
.tk-btn-ghost {
  border: 2px solid var(--tk-green);
  color: var(--tk-green);
  background: transparent;
}
.tk-btn-ghost:hover { background: var(--tk-green); color: var(--tk-white); }
.tk-btn-lg { padding: 17px 38px; font-size: 1.05rem; }

/* ---------- NAV ---------- */
.tk-nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 1000;
  padding: 0 clamp(20px,5vw,60px);
  height: 68px;
  display: flex; align-items: center; justify-content: space-between;
  transition: background .3s ease, box-shadow .3s ease;
}
.tk-nav.tk-nav--solid {
  background: var(--tk-white);
  box-shadow: 0 1px 0 var(--tk-border), 0 4px 20px rgba(0,0,0,.06);
}
.tk-nav.tk-nav--solid .tk-nav__link { color: var(--tk-ink); }
.tk-nav.tk-nav--solid .tk-nav__cta { background: linear-gradient(135deg,var(--tk-accent),var(--tk-green)); color:#fff; }
.tk-nav__logo img { height: 42px; width: auto; }
.tk-nav__links { display: flex; align-items: center; gap: 4px; }
.tk-nav__link {
  padding: 8px 13px;
  font-size: 0.88rem; font-weight: 600;
  color: rgba(255,255,255,.9);
  border-radius: var(--r-sm);
  transition: background .15s ease, color .15s ease;
}
.tk-nav__link:hover { background: rgba(255,255,255,.12); color: #fff; }
.tk-nav.tk-nav--solid .tk-nav__link:hover { background: var(--tk-light); color: var(--tk-green); }
.tk-nav__link.active { color: var(--tk-accent); }
.tk-nav__cta {
  margin-left: 8px;
  padding: 9px 20px;
  background: rgba(255,255,255,.15);
  backdrop-filter: blur(6px);
  border: 1.5px solid rgba(255,255,255,.4);
  border-radius: 999px;
  font-size: 0.88rem; font-weight: 700;
  color: #fff;
  transition: background .2s ease, border-color .2s ease, transform .2s ease;
}
.tk-nav__cta:hover { background: rgba(255,255,255,.3); transform: translateY(-1px); }
.tk-nav__toggle {
  display: none;
  width: 40px; height: 40px;
  border-radius: var(--r-sm);
  align-items: center; justify-content: center;
  background: rgba(255,255,255,.15);
  color: #fff;
  font-size: 1.2rem;
}
.tk-nav.tk-nav--solid .tk-nav__toggle { background: var(--tk-light); color: var(--tk-ink); }
.tk-nav__mobile {
  display: none;
  position: fixed;
  top: 68px; left: 0; right: 0;
  background: var(--tk-white);
  border-top: 1px solid var(--tk-border);
  box-shadow: var(--shadow-md);
  padding: 12px 0 20px;
  z-index: 999;
}
.tk-nav__mobile.open { display: block; }
.tk-nav__mobile a {
  display: block;
  padding: 12px clamp(20px,5vw,60px);
  font-weight: 600;
  color: var(--tk-ink);
  border-bottom: 1px solid var(--tk-border);
  font-size: 0.95rem;
}
.tk-nav__mobile a:hover { color: var(--tk-accent); background: var(--tk-light); }

/* ---------- HERO ---------- */
.tk-hero {
  position: relative;
  min-height: 100svh;
  display: flex; align-items: center;
  background-size: cover;
  background-position: center;
  overflow: hidden;
}
.tk-hero::before {
  content: "";
  position: absolute; inset: 0;
  background:
    radial-gradient(ellipse 1200px 800px at 5% 20%, rgba(47,174,127,.30), transparent 60%),
    radial-gradient(ellipse 800px 600px at 90% 80%, rgba(18,115,90,.36), transparent 55%),
    linear-gradient(125deg, rgba(8,28,23,.90) 0%, rgba(10,65,48,.72) 45%, rgba(8,28,23,.80) 100%);
}
.tk-hero__inner {
  position: relative; z-index: 1;
  max-width: 1280px; margin-inline: auto;
  padding: 0 clamp(20px,5vw,60px);
  padding-top: 68px;
  width: 100%;
}
.tk-hero__badge {
  display: inline-flex; align-items: center; gap: 8px;
  background: rgba(47,174,127,.18);
  border: 1px solid rgba(47,174,127,.4);
  border-radius: 999px;
  padding: 6px 14px;
  font-size: 0.78rem; font-weight: 700; letter-spacing: 0.12em;
  text-transform: uppercase;
  color: #86e8c0;
  margin-bottom: 28px;
}
.tk-hero__title {
  color: #fff;
  font-weight: 800;
  font-size: clamp(3rem, 7vw, 5.4rem);
  line-height: 1.02;
  letter-spacing: -0.04em;
  max-width: 900px;
  margin-bottom: 24px;
}
.tk-hero__title em { font-style: normal; color: #86e8c0; }
.tk-hero__subtitle {
  color: rgba(255,255,255,.78);
  font-size: clamp(1.05rem, 2vw, 1.3rem);
  line-height: 1.6;
  max-width: 560px;
  margin-bottom: 40px;
}
.tk-hero__actions { display: flex; gap: 14px; flex-wrap: wrap; }
.tk-hero__scroll {
  position: absolute;
  bottom: 32px; left: 50%;
  transform: translateX(-50%);
  display: flex; flex-direction: column; align-items: center; gap: 8px;
  color: rgba(255,255,255,.5);
  font-size: 0.72rem; font-weight: 600; letter-spacing: 0.12em; text-transform: uppercase;
  animation: tkScrollFade 2.4s ease-in-out infinite;
}
.tk-hero__scroll i { font-size: 1.1rem; }
@keyframes tkScrollFade { 0%,100%{opacity:.5; transform:translate(-50%,0)} 50%{opacity:1; transform:translate(-50%,6px)} }

/* ---------- CARD ---------- */
.tk-card {
  background: var(--tk-white);
  border: 1px solid var(--tk-border);
  border-radius: var(--r-lg);
  padding: 32px;
  box-shadow: var(--shadow-sm);
  transition: transform .25s ease, box-shadow .25s ease;
}
.tk-card:hover { transform: translateY(-5px); box-shadow: var(--shadow-lg); }

/* Service card specifics */
.tk-service-card__icon {
  width: 54px; height: 54px; border-radius: 16px;
  background: linear-gradient(135deg, var(--tk-accent), var(--tk-green));
  display: flex; align-items: center; justify-content: center;
  color: #fff; font-size: 1.4rem;
  margin-bottom: 22px;
  box-shadow: 0 8px 20px rgba(12,89,69,.25);
}
.tk-service-card__title { font-size: 1.28rem; font-weight: 700; color: var(--tk-green); margin-bottom: 12px; }
.tk-service-card__text { font-size: 0.97rem; line-height: 1.68; color: var(--tk-muted); margin-bottom: 20px; }
.tk-service-card__link { font-size: 0.88rem; font-weight: 700; color: var(--tk-accent); display: inline-flex; align-items: center; gap: 6px; }
.tk-service-card__link i { transition: transform .2s; }
.tk-card:hover .tk-service-card__link i { transform: translateX(4px); }

/* ---------- STATS STRIP ---------- */
.tk-stats {
  background: linear-gradient(135deg, var(--tk-green), var(--tk-green-2));
  padding-block: 52px;
}
.tk-stats__grid { display: grid; grid-template-columns: repeat(3,1fr); gap: 0; }
.tk-stats__item { text-align: center; padding: 16px 24px; border-right: 1px solid rgba(255,255,255,.15); }
.tk-stats__item:last-child { border-right: none; }
.tk-stats__num { font-size: clamp(2rem, 4vw, 3rem); font-weight: 800; color: #fff; letter-spacing: -0.02em; }
.tk-stats__label { font-size: 0.88rem; font-weight: 600; color: rgba(255,255,255,.7); margin-top: 4px; letter-spacing: 0.02em; }

/* ---------- PROJECT CARDS ---------- */
.tk-project-card { position: relative; border-radius: var(--r-lg); overflow: hidden; box-shadow: var(--shadow-md); aspect-ratio: 4/3; }
.tk-project-card img { width: 100%; height: 100%; object-fit: cover; transition: transform .5s ease; }
.tk-project-card:hover img { transform: scale(1.06); }
.tk-project-card__label {
  position: absolute; bottom: 0; left: 0; right: 0;
  padding: 28px 22px 20px;
  background: linear-gradient(to top, rgba(8,28,23,.88), transparent);
  color: #fff;
  font-weight: 700; font-size: 1.05rem;
}
.tk-project-card--clickable { cursor: zoom-in; }
.tk-project-card--clickable:focus-visible {
  outline: 3px solid var(--tk-accent);
  outline-offset: 4px;
}

/* ---------- IMAGE LIGHTBOX ---------- */
body.tk-lightbox-open { overflow: hidden; }
.tk-lightbox {
  position: fixed;
  inset: 0;
  z-index: 1200;
  display: none;
}
.tk-lightbox.is-open {
  display: flex;
  align-items: center;
  justify-content: center;
}
.tk-lightbox__backdrop {
  position: absolute;
  inset: 0;
  background: rgba(5,20,16,.82);
  backdrop-filter: blur(2px);
}
.tk-lightbox__figure {
  position: relative;
  z-index: 1;
  margin: 0;
  width: min(94vw, 1180px);
  max-height: 90vh;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 12px;
}
.tk-lightbox__img {
  width: 100%;
  max-height: 78vh;
  object-fit: contain;
  border-radius: 14px;
  background: #091711;
  box-shadow: 0 20px 56px rgba(0,0,0,.45);
}
.tk-lightbox__caption {
  color: #fff;
  font-size: 0.98rem;
  font-weight: 600;
  line-height: 1.45;
  text-align: center;
  text-wrap: balance;
}
.tk-lightbox__close {
  position: absolute;
  top: 12px;
  right: 12px;
  width: 42px;
  height: 42px;
  border-radius: 999px;
  border: 1px solid rgba(255,255,255,.32);
  background: rgba(8,24,19,.62);
  color: #fff;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 1rem;
}
.tk-lightbox__close:hover {
  background: rgba(8,24,19,.9);
}

/* ---------- COOKIE + PRIVACY ---------- */
body.tk-privacy-open { overflow: hidden; }

.tk-cookie-banner {
  position: fixed;
  left: 18px;
  right: auto;
  width: min(860px, calc(100vw - 130px));
  max-width: calc(100vw - 130px);
  bottom: 18px;
  z-index: 1085;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  flex-wrap: wrap;
  background: rgba(8,28,23,.96);
  border: 1px solid rgba(255,255,255,.15);
  border-radius: 14px;
  box-shadow: 0 14px 34px rgba(0,0,0,.26);
  padding: 14px 16px;
}
.tk-cookie-banner__text {
  color: rgba(255,255,255,.92);
  font-size: 0.9rem;
  line-height: 1.55;
  max-width: 760px;
}
.tk-cookie-banner__actions {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
}
.tk-cookie-btn {
  height: 38px;
  padding: 0 14px;
  border-radius: 10px;
  font-size: 0.86rem;
  font-weight: 700;
  border: 1px solid transparent;
}
.tk-cookie-btn--subtle {
  color: #c9ece0;
  background: rgba(255,255,255,.08);
  border-color: rgba(255,255,255,.18);
}
.tk-cookie-btn--outline {
  color: #fff;
  background: transparent;
  border-color: rgba(255,255,255,.38);
}
.tk-cookie-btn--accept {
  color: #fff;
  background: linear-gradient(135deg, var(--tk-accent), var(--tk-green));
}

.tk-privacy-modal {
  position: fixed;
  inset: 0;
  z-index: 1300;
  display: none;
}
.tk-privacy-modal.is-open { display: block; }
.tk-privacy-modal__backdrop {
  position: absolute;
  inset: 0;
  background: rgba(4,14,11,.7);
  backdrop-filter: blur(2px);
}
.tk-privacy-modal__dialog {
  position: relative;
  width: min(960px, 96vw);
  max-height: 90vh;
  margin: 5vh auto;
  background: #fff;
  border-radius: 16px;
  overflow: hidden;
  box-shadow: 0 26px 62px rgba(0,0,0,.34);
  border: 1px solid #d7e8e1;
}
.tk-privacy-modal__header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 16px;
  padding: 20px 20px 16px;
  border-bottom: 1px solid #e2efe9;
}
.tk-privacy-modal__header h2 {
  font-size: 1.3rem;
  font-weight: 800;
  color: #11291f;
  letter-spacing: -0.01em;
}
.tk-privacy-modal__header p {
  margin-top: 4px;
  color: var(--tk-muted);
  font-size: 0.9rem;
}
.tk-privacy-modal__close {
  width: 38px;
  height: 38px;
  border-radius: 10px;
  background: #f3faf7;
  border: 1px solid #d5e8e0;
  color: #1a4f3d;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 1rem;
}
.tk-privacy-modal__content {
  max-height: calc(90vh - 86px);
  overflow: auto;
  padding: 16px 20px 24px;
}
.tk-privacy-modal__content h3 {
  color: #0f3f31;
  font-size: 1rem;
  font-weight: 800;
  margin-top: 16px;
  margin-bottom: 8px;
}
.tk-privacy-modal__content h4 {
  color: #144f3d;
  font-size: 0.95rem;
  font-weight: 700;
  margin-top: 10px;
  margin-bottom: 8px;
}
.tk-privacy-modal__content p {
  color: #315549;
  font-size: 0.95rem;
  line-height: 1.7;
  margin-bottom: 10px;
}

/* ---------- TESTIMONIALS ---------- */
.tk-testimonial {
  background: var(--tk-white);
  border: 1px solid var(--tk-border);
  border-radius: var(--r-lg);
  padding: 32px;
  box-shadow: var(--shadow-sm);
  position: relative;
  height: 100%;
}
.tk-testimonial::before {
  content: "\201C";
  position: absolute;
  top: 10px; left: 22px;
  font-family: Georgia, serif;
  font-size: 4.8rem; line-height: 1;
  color: rgba(47,174,127,.2);
}
.tk-testimonial__text { font-size: 0.97rem; line-height: 1.72; color: var(--tk-muted); position: relative; margin-bottom: 22px; padding-top: 8px; }
.tk-testimonial__author { font-weight: 700; color: var(--tk-green); font-size: 0.92rem; }
.tk-testimonial__stars { color: #f59e0b; font-size: 0.8rem; margin-bottom: 8px; }

/* ---------- CTA STRIP ---------- */
.tk-cta-strip {
  background: linear-gradient(135deg, var(--tk-green) 0%, var(--tk-green-2) 50%, var(--tk-accent-2) 100%);
  padding-block: 80px;
  text-align: center;
  position: relative;
  overflow: hidden;
}
.tk-cta-strip::before {
  content: "";
  position: absolute; inset: 0;
  background: radial-gradient(ellipse 60% 60% at 80% 50%, rgba(47,174,127,.25), transparent);
}
.tk-cta-strip__inner { position: relative; z-index: 1; }
.tk-cta-strip__title { font-size: clamp(1.8rem, 3.5vw, 2.8rem); font-weight: 800; color: #fff; letter-spacing: -0.02em; margin-bottom: 14px; }
.tk-cta-strip__sub { font-size: 1.05rem; color: rgba(255,255,255,.78); margin-bottom: 36px; }

/* ---------- FOOTER ---------- */
.tk-footer {
  background: #0a1e18;
  color: rgba(255,255,255,.7);
  padding-top: 0;
}
.tk-footer__top { padding-top: 52px; padding-bottom: 52px; }

/* ---------- LOGOS CARROSSEL ---------- */
.tk-logos-strip {
  background: #fff;
  padding-block: 50px;
  overflow: hidden;
  border-top: 1px solid var(--tk-border);
  border-bottom: 1px solid var(--tk-border);
}
.tk-logos-track {
  display: flex;
  align-items: center;
  gap: 72px;
  width: max-content;
  animation: tkScroll 36s linear infinite;
}
.tk-logos-track:hover { animation-play-state: paused; }
.tk-logos-track img {
  height: clamp(56px, 6.2vw, 78px);
  width: auto;
  object-fit: contain;
  filter: grayscale(1) opacity(.86);
  transition: filter .3s ease, transform .3s ease;
  flex-shrink: 0;
}
.tk-logos-track img:hover { filter: grayscale(0) opacity(1); transform: translateY(-2px); }
@keyframes tkScroll {
  0%   { transform: translateX(0); }
  100% { transform: translateX(-50%); }
}
.tk-footer__logo img { height: 40px; margin-bottom: 18px; }
.tk-footer__tagline { font-size: 0.9rem; line-height: 1.65; color: rgba(255,255,255,.55); max-width: 260px; }
.tk-footer__col h4 { font-size: 0.82rem; font-weight: 700; letter-spacing: 0.14em; text-transform: uppercase; color: var(--tk-accent); margin-bottom: 18px; }
.tk-footer__col ul { display: flex; flex-direction: column; gap: 10px; }
.tk-footer__col ul a { font-size: 0.9rem; color: rgba(255,255,255,.65); transition: color .2s ease; }
.tk-footer__col ul a:hover { color: var(--tk-accent); }
.tk-footer__col ul li i { width: 16px; color: var(--tk-accent); margin-right: 8px; }
.tk-footer__social { display: flex; gap: 10px; margin-top: 20px; }
.tk-footer__social a {
  width: 36px; height: 36px; border-radius: 50%;
  background: rgba(255,255,255,.08);
  display: flex; align-items: center; justify-content: center;
  color: rgba(255,255,255,.65); font-size: 0.85rem;
  transition: background .2s ease, color .2s ease, transform .2s ease;
}
.tk-footer__social a:hover { background: var(--tk-accent); color: #fff; transform: translateY(-2px); }
.tk-footer__bottom {
  border-top: 1px solid rgba(255,255,255,.07);
  padding-block: 22px;
  display: flex; align-items: center; justify-content: space-between; flex-wrap: wrap; gap: 8px;
  font-size: 0.82rem; color: rgba(255,255,255,.35);
}

/* ---------- PAGE BANNER (inner pages) ---------- */
.tk-page-banner {
  padding-top: 68px;
  min-height: 320px;
  background-size: cover;
  background-position: center;
  position: relative;
  display: flex; align-items: flex-end;
}
.tk-page-banner::before {
  content: "";
  position: absolute; inset: 0;
  background: linear-gradient(125deg, rgba(8,28,23,.88) 0%, rgba(10,65,48,.65) 60%);
}
.tk-page-banner__inner {
  position: relative; z-index: 1;
  max-width: 1280px; margin-inline: auto;
  padding: 40px clamp(20px,5vw,60px) 52px;
  width: 100%;
}
.tk-page-banner__eyebrow { display: block; font-size: 0.76rem; font-weight: 700; letter-spacing: 0.18em; text-transform: uppercase; color: #86e8c0; margin-bottom: 10px; }
.tk-page-banner__title { color: #fff; font-size: clamp(2rem, 5vw, 3.4rem); font-weight: 800; letter-spacing: -0.03em; }

/* ---------- CONTENT SECTIONS (inner pages) ---------- */
.tk-prose h3 { font-size: 1.35rem; font-weight: 700; color: var(--tk-green); margin-bottom: 14px; margin-top: 32px; }
.tk-prose p { font-size: 1rem; line-height: 1.78; color: var(--tk-muted); margin-bottom: 14px; }
.tk-prose ul { padding-left: 0; display: flex; flex-direction: column; gap: 10px; margin-bottom: 18px; }
.tk-prose ul li { position: relative; padding-left: 22px; font-size: 0.97rem; line-height: 1.65; color: var(--tk-muted); }
.tk-prose ul li::before { content: ""; position: absolute; left: 2px; top: 8px; width: 8px; height: 8px; border-radius: 50%; background: var(--tk-accent); }

/* ---------- DIFF CARDS (inner pages) ---------- */
.tk-diff-card { border-left: 4px solid var(--tk-accent); }
.tk-diff-card .tk-h3 { margin-bottom: 14px; }

/* ---------- FLOATING BUTTONS ---------- */
.tk-fab-group { position: fixed; right: 22px; bottom: 22px; z-index: 999; display: flex; flex-direction: column; gap: 10px; align-items: flex-end; }
.tk-fab {
  width: 54px; height: 54px; border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  font-size: 1.4rem; color: #fff;
  box-shadow: 0 8px 22px rgba(0,0,0,.2);
  transition: transform .2s ease, box-shadow .2s ease;
}
.tk-fab:hover { transform: scale(1.08) translateY(-2px); box-shadow: 0 14px 30px rgba(0,0,0,.26); }
.tk-fab--whatsapp { background: #25D366; animation: tkPulse 2.4s ease-in-out infinite; order: 3; }
.tk-fab--access { background: #1667d9; font-size: 1.2rem; order: 2; }
.tk-fab--access[aria-pressed="true"],
.tk-fab--access.is-open {
  background: #0f4aa4;
  box-shadow: 0 0 0 4px rgba(22,103,217,.24), 0 10px 24px rgba(15,74,164,.46);
}
.tk-fab--top { background: var(--tk-green); display: none; font-size: 1.1rem; order: 1; }
.tk-fab--top.visible { display: flex; }
@keyframes tkPulse { 0%,100%{box-shadow:0 8px 22px rgba(37,211,102,.4)} 50%{box-shadow:0 0 0 16px rgba(37,211,102,0)} }
body.tk-a11y-highlight-links a:not(.tk-btn):not(.tk-fab):not(.tk-nav__cta) {
  text-decoration: underline;
  text-decoration-thickness: 2px;
  text-underline-offset: 0.16em;
}
body.tk-a11y-dyslexia {
  font-family: Verdana, Tahoma, Arial, sans-serif;
  letter-spacing: 0.015em;
}
body.tk-a11y-dyslexia p,
body.tk-a11y-dyslexia li,
body.tk-a11y-dyslexia a,
body.tk-a11y-dyslexia button,
body.tk-a11y-dyslexia label,
body.tk-a11y-dyslexia input,
body.tk-a11y-dyslexia select,
body.tk-a11y-dyslexia textarea {
  line-height: 1.9;
}
body.tk-a11y-dyslexia .tk-btn,
body.tk-a11y-dyslexia .tk-nav__cta,
body.tk-a11y-dyslexia .tk-nav__mobile a {
  min-height: 48px;
}
body.tk-a11y-reduced-motion *,
body.tk-a11y-reduced-motion *::before,
body.tk-a11y-reduced-motion *::after {
  animation-duration: 0.01ms !important;
  animation-iteration-count: 1 !important;
  transition-duration: 0.01ms !important;
}
body.tk-a11y-contrast-dark {
  background: #081712;
  color: #eef7f3;
}
body.tk-a11y-contrast-dark .tk-card,
body.tk-a11y-contrast-dark .tk-testimonial,
body.tk-a11y-contrast-dark .tk-info-box,
body.tk-a11y-contrast-dark .tk-form-card,
body.tk-a11y-contrast-dark .tk-project-card,
body.tk-a11y-contrast-dark .tk-cta-strip,
body.tk-a11y-contrast-dark .tk-logos-strip {
  background: #0e241d !important;
  border-color: #2d5e4e !important;
}
body.tk-a11y-contrast-dark .tk-body,
body.tk-a11y-contrast-dark .tk-prose p,
body.tk-a11y-contrast-dark .tk-service-card__text,
body.tk-a11y-contrast-dark .tk-testimonial__text,
body.tk-a11y-contrast-dark .tk-info-box__item div {
  color: #d7ebe3 !important;
}
body.tk-a11y-contrast-dark .tk-nav,
body.tk-a11y-contrast-dark .tk-nav.tk-nav--solid {
  background: rgba(7,20,16,.95) !important;
}
body.tk-a11y-contrast-light {
  background: #fff;
  color: #0b1218;
}
body.tk-a11y-contrast-light .tk-body,
body.tk-a11y-contrast-light .tk-prose p,
body.tk-a11y-contrast-light .tk-service-card__text,
body.tk-a11y-contrast-light .tk-testimonial__text,
body.tk-a11y-contrast-light .tk-info-box__item div {
  color: #19334a !important;
}
body.tk-a11y-grayscale {
  filter: grayscale(1);
}
body.tk-a11y-contrast-dark *:focus-visible,
body.tk-a11y-contrast-light *:focus-visible,
body.tk-a11y-dyslexia *:focus-visible,
body.tk-a11y-highlight-links *:focus-visible {
  outline: 3px solid #1667d9;
  outline-offset: 2px;
  border-radius: 10px;
}
.tk-a11y-guide-line {
  position: fixed;
  left: 0;
  width: 100%;
  height: 3px;
  background: rgba(22,103,217,.55);
  box-shadow: 0 0 0 1px rgba(255,255,255,.6);
  pointer-events: none;
  z-index: 1110;
  opacity: 0;
  transition: opacity .15s ease;
}
body.tk-a11y-guide-on .tk-a11y-guide-line { opacity: 1; }

.tk-a11y-toast {
  position: fixed;
  right: 88px;
  bottom: 94px;
  z-index: 1000;
  background: rgba(10,31,24,.92);
  color: #fff;
  border: 1px solid rgba(255,255,255,.16);
  border-radius: 999px;
  padding: 10px 16px;
  font-size: 0.84rem;
  font-weight: 600;
  letter-spacing: 0.01em;
  box-shadow: 0 8px 22px rgba(0,0,0,.28);
  opacity: 0;
  transform: translateY(10px) scale(.98);
  pointer-events: none;
  transition: opacity .22s ease, transform .22s ease;
}
.tk-a11y-toast.show {
  opacity: 1;
  transform: translateY(0) scale(1);
}

.tk-a11y-overlay {
  position: fixed;
  inset: 0;
  background: rgba(4,18,14,.42);
  backdrop-filter: blur(2px);
  opacity: 0;
  pointer-events: none;
  transition: opacity .24s ease;
  z-index: 1090;
}
.tk-a11y-overlay.is-open {
  opacity: 1;
  pointer-events: auto;
}
.tk-a11y-panel {
  position: fixed;
  top: 0;
  right: 0;
  width: min(360px, 94vw);
  height: 100dvh;
  background: #fff;
  border-left: 1px solid #d8e4ef;
  box-shadow: -24px 0 48px rgba(4,20,14,.28);
  transform: translateX(104%);
  transition: transform .28s ease;
  visibility: hidden;
  pointer-events: none;
  z-index: 1100;
  display: flex;
  flex-direction: column;
}
.tk-a11y-panel.is-open {
  transform: translateX(0);
  visibility: visible;
  pointer-events: auto;
}
.tk-a11y-panel__header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 18px 18px 14px;
  border-bottom: 1px solid #e2eaf2;
}
.tk-a11y-panel__title {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  color: #274382;
  font-size: 1.05rem;
  font-weight: 800;
}
.tk-a11y-panel__close {
  width: 36px;
  height: 36px;
  border-radius: 10px;
  border: 1px solid #d4e2f1;
  background: #f7fbff;
  color: #2f5da9;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 1.05rem;
}
.tk-a11y-panel__content {
  flex: 1;
  overflow-y: auto;
  padding: 8px 16px 16px;
}
.tk-a11y-section {
  padding: 12px 4px;
  border-bottom: 1px solid #edf2f8;
}
.tk-a11y-section:last-child {
  border-bottom: 0;
}
.tk-a11y-section__title {
  font-size: 0.86rem;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: #8ea4c0;
  margin-bottom: 10px;
}
.tk-a11y-font-controls {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
}
.tk-a11y-font-controls__label {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  color: #334e68;
  font-weight: 700;
}
.tk-a11y-font-buttons {
  display: inline-flex;
  align-items: center;
  gap: 8px;
}
.tk-a11y-icon-btn {
  width: 32px;
  height: 32px;
  border-radius: 9px;
  border: 1px solid #d3dfed;
  background: #fff;
  color: #274382;
  font-weight: 800;
  display: inline-flex;
  align-items: center;
  justify-content: center;
}
.tk-a11y-font-value {
  min-width: 44px;
  text-align: center;
  color: #24384f;
  font-weight: 800;
  font-size: 0.95rem;
}
.tk-a11y-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 8px 0;
}
.tk-a11y-row__label {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  color: #2f4158;
  font-weight: 700;
  font-size: 0.98rem;
}
.tk-a11y-row__label i {
  width: 18px;
  color: #1f2f45;
  text-align: center;
}
.tk-a11y-switch {
  position: relative;
  width: 46px;
  height: 27px;
  border-radius: 999px;
  border: 0;
  background: #cad8ea;
  transition: background .2s ease;
}
.tk-a11y-switch::before {
  content: "";
  position: absolute;
  top: 3px;
  left: 3px;
  width: 21px;
  height: 21px;
  border-radius: 50%;
  background: #fff;
  box-shadow: 0 1px 4px rgba(0,0,0,.18);
  transition: transform .2s ease;
}
.tk-a11y-switch[aria-checked="true"] {
  background: #1f5ec6;
}
.tk-a11y-switch[aria-checked="true"]::before {
  transform: translateX(19px);
}
.tk-a11y-pill-btn {
  min-width: 58px;
  height: 36px;
  border-radius: 12px;
  border: 1px solid #d3dfed;
  background: #fff;
  color: #2f4668;
  font-weight: 800;
  padding: 0 10px;
}
.tk-a11y-panel__footer {
  border-top: 1px solid #e2eaf2;
  padding: 12px 16px;
}
.tk-a11y-reset {
  width: 100%;
  height: 40px;
  border-radius: 10px;
  border: 1px solid #d3dfed;
  background: #fff;
  color: #2f4158;
  font-weight: 800;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
}

/* ---------- FORM (contact) ---------- */
.tk-form-card { background: #fff; border: 1px solid var(--tk-border); border-radius: var(--r-xl); padding: 40px; box-shadow: var(--shadow-md); }
.tk-form-group { margin-bottom: 20px; }
.tk-form-group label { display: block; font-weight: 600; font-size: 0.9rem; color: var(--tk-ink); margin-bottom: 8px; }
.tk-form-group input,
.tk-form-group select,
.tk-form-group textarea {
  width: 100%;
  padding: 13px 16px;
  border: 1.5px solid var(--tk-border);
  border-radius: var(--r-sm);
  font-size: 0.95rem; font-family: inherit;
  color: var(--tk-ink);
  background: var(--tk-white);
  transition: border-color .2s, box-shadow .2s;
  outline: none;
}
.tk-form-group textarea { min-height: 130px; resize: vertical; }
.tk-form-group input:focus,
.tk-form-group select:focus,
.tk-form-group textarea:focus { border-color: var(--tk-accent); box-shadow: 0 0 0 4px rgba(47,174,127,.14); }
.tk-form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
.tk-form-feedback { margin-top: 14px; font-weight: 600; font-size: 0.95rem; }
.tk-form-feedback.ok  { color: #0f8a4b; }
.tk-form-feedback.err { color: #c62828; }

/* ---------- INFO BOX (contact sidebar) ---------- */
.tk-info-box { background: var(--tk-light); border-radius: var(--r-lg); padding: 32px; }
.tk-info-box__title { font-weight: 700; font-size: 0.76rem; letter-spacing: 0.14em; text-transform: uppercase; color: var(--tk-accent); margin-bottom: 18px; }
.tk-info-box__item { display: flex; gap: 14px; align-items: flex-start; margin-bottom: 18px; }
.tk-info-box__item i { width: 36px; height: 36px; border-radius: 10px; background: var(--tk-white); display: flex; align-items: center; justify-content: center; color: var(--tk-accent); font-size: 0.9rem; flex-shrink: 0; box-shadow: var(--shadow-sm); }
.tk-info-box__item div { font-size: 0.93rem; line-height: 1.6; color: var(--tk-muted); }
.tk-info-box__item strong { display: block; color: var(--tk-ink); font-weight: 700; font-size: 0.88rem; margin-bottom: 2px; }

/* ---------- Responsive ---------- */
@media (max-width: 1024px) {
  .tk-grid-3 { grid-template-columns: repeat(2,1fr); }
  .tk-grid-4 { grid-template-columns: repeat(2,1fr); }
}
@media (max-width: 768px) {
  .tk-section { padding-block: 64px; }
  .tk-section--sm { padding-block: 44px; }
  .tk-grid-2, .tk-grid-3, .tk-grid-4 { grid-template-columns: 1fr; }
  .tk-stats__grid { grid-template-columns: repeat(3,1fr); }
  .tk-form-grid { grid-template-columns: 1fr; }
  .tk-nav__links { display: none; }
  .tk-nav__toggle { display: flex; }
  .tk-hero__title { font-size: clamp(2.4rem,9vw,3.6rem); }
  .tk-footer__bottom { flex-direction: column; text-align: center; }
  .tk-logos-strip { padding-block: 34px; }
  .tk-logos-track { gap: 44px; animation-duration: 30s; }
  .tk-logos-track img { height: 52px; }
  .tk-fab-group { right: 16px; bottom: 16px; gap: 8px; }
  .tk-fab { width: 50px; height: 50px; font-size: 1.25rem; }
  .tk-fab--access { font-size: 1.08rem; }
  .tk-a11y-toast { right: 72px; bottom: 82px; font-size: 0.78rem; padding: 8px 12px; }
  .tk-a11y-panel { width: 100vw; }
  .tk-a11y-panel__content { padding-inline: 14px; }
  .tk-lightbox__figure { width: min(95vw, 980px); }
  .tk-lightbox__img { max-height: 74vh; }
  .tk-lightbox__close { width: 38px; height: 38px; top: 10px; right: 10px; }
  .tk-cookie-banner { left: 12px; right: 12px; bottom: 82px; }
  .tk-cookie-banner__actions { width: 100%; justify-content: flex-end; }
  .tk-privacy-modal__dialog { width: 96vw; margin: 3vh auto; max-height: 94vh; }
  .tk-privacy-modal__content { max-height: calc(94vh - 86px); padding-inline: 16px; }
}
@media (max-width: 480px) {
  .tk-stats__grid { grid-template-columns: 1fr; }
  .tk-stats__item { border-right: none; border-bottom: 1px solid rgba(255,255,255,.15); }
  .tk-stats__item:last-child { border-bottom: none; }
  .tk-hero__actions { flex-direction: column; }
  .tk-logos-track img { height: 44px; }
  .tk-lightbox__caption { font-size: 0.9rem; }
  .tk-cookie-banner__actions { justify-content: stretch; }
  .tk-cookie-btn { width: 100%; }
}