/* ==========================================================================
   VAGO LOGISTICS — CUSTOM STYLESHEET
   1. CSS Variables
   2. Reset / Base
   3. Typography
   4. Utilities
   5. Header
   6. Navigation
   7. Hero
   8. About
   9. Services
   10. Process
   11. Why Vago
   12. CTA
   13. Contact
   14. Forms
   15. Footer
   16. Floating Actions
   17. Animations
   18. Responsive Breakpoints
   ========================================================================== */

/* ------------------------------ 1. Variables ----------------------------- */
:root {
  --primary: #002A5C;
  --primary-dark: #001F49;
  --accent-gold: #C99235;
  --accent-gold-light: #D6A34A;
  --background: #FFFFFF;
  --light-background: #F5F7FA;
  --body-text: #252B33;

  --border-subtle: rgba(0, 42, 92, 0.10);
  --shadow-sm: 0 2px 10px rgba(0, 31, 73, 0.06);
  --shadow-md: 0 10px 30px rgba(0, 31, 73, 0.10);
  --shadow-lg: 0 20px 50px rgba(0, 31, 73, 0.16);

  --header-height: 98px;
  --header-height-scrolled: 80px;
  --header-height-mobile: 76px;

  --radius-sm: 6px;
  --radius-md: 10px;
  --container-max: 1240px;

  --font-body: "Inter", -apple-system, "Segoe UI", system-ui, Roboto, Arial, sans-serif;
}

/* --------------------------- 2. Reset / Base ----------------------------- */
*, *::before, *::after { box-sizing: border-box; }

html {
  scroll-behavior: smooth;
  scroll-padding-top: var(--header-height);
  /* Bootstrap's offcanvas is `position:fixed; transform:translateX(100%)`
     while closed — a fixed + transformed element sitting off to the right.
     Some mobile browsers (notably iOS Safari) include that off-screen box
     in the page's horizontal scrollable area regardless of body's own
     overflow, letting a vertical swipe drag in a sliver of blank space to
     the right. Clipping it here, on the actual scroll root, is the fix for
     that specific browser quirk rather than a generic band-aid. */
  overflow-x: hidden;
}

body {
  margin: 0;
  font-family: var(--font-body);
  color: var(--body-text);
  background-color: var(--background);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  overflow-x: hidden;
}

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

a { color: inherit; text-decoration: none; }

ul { margin: 0; padding: 0; }

section { position: relative; }

.container { max-width: var(--container-max); }

::selection { background: var(--accent-gold); color: #fff; }

:focus-visible {
  outline: 2px solid var(--accent-gold);
  outline-offset: 2px;
}

.skip-link {
  position: absolute;
  left: 1rem;
  top: -60px;
  background: var(--primary-dark);
  color: #fff;
  padding: 0.75rem 1.25rem;
  border-radius: var(--radius-sm);
  z-index: 2000;
  transition: top 0.2s ease;
}
.skip-link:focus { top: 1rem; }

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after {
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.001ms !important;
    scroll-behavior: auto !important;
  }
}

/* ----------------------------- 3. Typography ----------------------------- */
@font-face {
  font-family: "Inter";
  font-style: normal;
  font-weight: 400;
  font-display: swap;
  src: url("/assets/fonts/inter/inter-latin-400-normal.woff2") format("woff2");
}
@font-face {
  font-family: "Inter";
  font-style: normal;
  font-weight: 500;
  font-display: swap;
  src: url("/assets/fonts/inter/inter-latin-500-normal.woff2") format("woff2");
}
@font-face {
  font-family: "Inter";
  font-style: normal;
  font-weight: 600;
  font-display: swap;
  src: url("/assets/fonts/inter/inter-latin-600-normal.woff2") format("woff2");
}
@font-face {
  font-family: "Inter";
  font-style: normal;
  font-weight: 700;
  font-display: swap;
  src: url("/assets/fonts/inter/inter-latin-700-normal.woff2") format("woff2");
}
@font-face {
  font-family: "Inter";
  font-style: normal;
  font-weight: 800;
  font-display: swap;
  src: url("/assets/fonts/inter/inter-latin-800-normal.woff2") format("woff2");
}

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-body);
  font-weight: 700;
  color: var(--primary-dark);
  line-height: 1.2;
  margin: 0;
}

h1 { font-size: clamp(2.25rem, 1.6rem + 2.6vw, 3.75rem); font-weight: 800; letter-spacing: -0.01em; }
h2 { font-size: clamp(1.75rem, 1.4rem + 1.5vw, 2.75rem); font-weight: 800; letter-spacing: -0.01em; }
h3 { font-size: clamp(1.15rem, 1.05rem + 0.4vw, 1.4rem); }
h4 { font-size: 1.1rem; }

p { line-height: 1.7; margin: 0 0 1rem; }
p:last-child { margin-bottom: 0; }

.eyebrow {
  display: inline-block;
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--accent-gold);
  margin-bottom: 0.85rem;
  position: relative;
  padding-left: 28px;
}
.eyebrow::before {
  content: "";
  position: absolute;
  left: 0;
  top: 50%;
  transform: translateY(-50%);
  width: 18px;
  height: 2px;
  background: var(--accent-gold);
}
.eyebrow-light { color: var(--accent-gold-light); }

.section-title { margin-bottom: 1.1rem; }
.section-title-light { color: #fff; }
.section-lead { color: rgba(37, 43, 51, 0.78); font-size: 1.05rem; }

.section-heading { max-width: 700px; margin-left: auto; margin-right: auto; margin-bottom: 3rem; }

/* ------------------------------ 4. Utilities ----------------------------- */
section:not(.hero) { padding: clamp(4rem, 3.2rem + 3vw, 7rem) 0; }

.btn {
  font-weight: 600;
  border-radius: var(--radius-sm);
  padding: 0.85rem 1.85rem;
  border: 2px solid transparent;
  transition: transform 0.2s ease, box-shadow 0.2s ease, background-color 0.2s ease, color 0.2s ease, border-color 0.2s ease;
  letter-spacing: 0.01em;
}
.btn:focus-visible { outline-offset: 3px; }
.btn:active { transform: translateY(1px); }
.btn:disabled, .btn.is-loading { opacity: 0.75; cursor: not-allowed; transform: none; }

.btn-gold {
  background: var(--accent-gold);
  color: #fff;
  border-color: var(--accent-gold);
}
.btn-gold:hover, .btn-gold:focus-visible {
  background: var(--accent-gold-light);
  border-color: var(--accent-gold-light);
  color: #fff;
  box-shadow: var(--shadow-md);
  transform: translateY(-2px);
}

.btn-outline-light {
  background: transparent;
  color: #fff;
  border-color: rgba(255, 255, 255, 0.55);
}
.btn-outline-light:hover, .btn-outline-light:focus-visible {
  background: rgba(255, 255, 255, 0.12);
  border-color: #fff;
  color: #fff;
  transform: translateY(-2px);
}

.btn-quote { margin-left: 1.75rem; padding: 0.65rem 1.5rem; }

@media (max-width: 767px) {
  .hero-actions .btn, .cta-actions .btn { width: 100%; }
}

/* ------------------------------- 5. Header -------------------------------- */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1030;
  height: var(--header-height);
  display: flex;
  align-items: center;
  background: transparent;
  transition: background-color 0.3s ease, box-shadow 0.3s ease, height 0.3s ease;
}
.site-header .navbar { width: 100%; padding: 0; }
.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
}

.site-header.is-scrolled {
  background: rgba(0, 42, 92, 0.96);
  backdrop-filter: saturate(140%) blur(6px);
  box-shadow: var(--shadow-md);
  height: var(--header-height-scrolled);
}

.brand { display: flex; align-items: center; }
.brand-logo {
  height: 68px;
  width: auto;
  object-fit: contain;
  transition: height 0.3s ease;
  background: #fff;
  /* padding: 8px 16px; */
  border-radius: var(--radius-sm);
  box-shadow: var(--shadow-sm);
}
.site-header.is-scrolled .brand-logo { height: 56px; }

/* ---------------------------- 6. Navigation ------------------------------- */
.nav-links { gap: 0.35rem; }
.nav-link-item {
  display: inline-block;
  padding: 0.6rem 1rem;
  font-weight: 600;
  font-size: 0.95rem;
  color: #fff;
  border-radius: var(--radius-sm);
  position: relative;
  transition: color 0.2s ease;
}
.nav-link-item::after {
  content: "";
  position: absolute;
  left: 1rem;
  right: 1rem;
  bottom: 0.35rem;
  height: 2px;
  background: var(--accent-gold);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.25s ease;
}
.nav-link-item:hover { color: var(--accent-gold-light); }
.nav-link-item:hover::after,
.nav-link-item.active::after { transform: scaleX(1); }
.nav-link-item.active { color: var(--accent-gold-light); }

.nav-toggle {
  width: 44px;
  height: 44px;
  border: none;
  background: rgba(255, 255, 255, 0.12);
  border-radius: var(--radius-sm);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 5px;
  cursor: pointer;
}
.site-header:not(.is-scrolled) .nav-toggle { background: rgba(0, 42, 92, 0.55); }
.nav-toggle span {
  display: block;
  width: 20px;
  height: 2px;
  background: #fff;
  border-radius: 2px;
}

.mobile-nav { width: min(340px, 86vw); background: var(--primary-dark); color: #fff; }
.mobile-nav .offcanvas-header { border-bottom: 1px solid rgba(255, 255, 255, 0.12); padding: 1.25rem 1.5rem; }
.mobile-nav .offcanvas-body { padding: 1.5rem; }
.offcanvas-logo {
  height: 52px;
  width: auto;
  background: #fff;
  padding: 8px 14px;
  border-radius: var(--radius-sm);
}
.mobile-nav .btn-close { filter: invert(1) brightness(2); opacity: 0.85; }

.mobile-nav-links li + li { margin-top: 0.25rem; }
.mobile-nav-links a {
  display: block;
  padding: 0.9rem 0.25rem;
  font-weight: 600;
  font-size: 1.05rem;
  color: #fff;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  min-height: 44px;
}
.mobile-nav-links a.active { color: var(--accent-gold-light); }

.mobile-nav-contact { display: flex; flex-direction: column; gap: 0.85rem; border-top: 1px solid rgba(255, 255, 255, 0.12); }
.mobile-contact-item {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  color: rgba(255, 255, 255, 0.85);
  font-size: 0.95rem;
  padding-top: 0.85rem;
}
.mobile-contact-item i { color: var(--accent-gold-light); width: 18px; text-align: center; }

/* -------------------------------- 7. Hero --------------------------------- */
.hero {
  position: relative;
  min-height: 100svh;
  display: flex;
  align-items: center;
  padding-top: var(--header-height);
  overflow: hidden;
  isolation: isolate;
}
.hero-media { position: absolute; inset: 0; z-index: -1; }
.hero-illustration { width: 100%; height: 100%; object-fit: cover; }
.hero-overlay {
  position: absolute;
  inset: 0;
  background:
    linear-gradient(180deg, rgba(0, 31, 73, 0.55) 0%, rgba(0, 31, 73, 0.75) 55%, rgba(0, 20, 48, 0.92) 100%);
}
.hero-content { position: relative; z-index: 1; max-width: 780px; padding-top: 2.5rem; padding-bottom: 4rem; }
.hero-title { color: #fff; margin-bottom: 1.25rem; }
.hero-lead { color: rgba(255, 255, 255, 0.86); font-size: clamp(1rem, 0.95rem + 0.3vw, 1.2rem); max-width: 640px; }
.hero-actions { display: flex; gap: 1rem; flex-wrap: wrap; margin-top: 1.75rem; }
.hero-footnote {
  margin-top: 1.75rem;
  color: rgba(255, 255, 255, 0.65);
  font-size: 0.9rem;
  font-weight: 500;
}

/* -------------------------------- 8. About -------------------------------- */
.about-section { background: var(--background); }
.about-media {
  border-radius: var(--radius-md);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
  border: 1px solid var(--border-subtle);
}
.about-illustration { width: 100%; height: auto; }

.value-points { margin-top: 2rem; display: flex; flex-direction: column; gap: 1.5rem; }
.value-point { display: flex; gap: 1.1rem; align-items: flex-start; }
.value-icon {
  flex: none;
  width: 48px;
  height: 48px;
  border-radius: var(--radius-sm);
  background: var(--light-background);
  color: var(--accent-gold);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.1rem;
  border: 1px solid var(--border-subtle);
}
.value-title { margin-bottom: 0.35rem; font-size: 1.1rem; }
.value-text { color: rgba(37, 43, 51, 0.72); font-size: 0.95rem; margin: 0; }

/* ------------------------------ 9. Services ------------------------------- */
.services-section { background: var(--light-background); }
.service-card {
  height: 100%;
  background: #fff;
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 2.25rem 1.85rem;
  box-shadow: var(--shadow-sm);
  transition: transform 0.25s ease, box-shadow 0.25s ease, border-color 0.25s ease;
}
.service-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-lg);
  border-color: var(--accent-gold);
}
.service-icon {
  width: 56px;
  height: 56px;
  border-radius: var(--radius-sm);
  background: var(--primary);
  color: var(--accent-gold-light);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.4rem;
  margin-bottom: 1.4rem;
  transition: background-color 0.25s ease, transform 0.25s ease;
}
.service-card:hover .service-icon { background: var(--accent-gold); color: #fff; transform: scale(1.06); }
.service-title { margin-bottom: 0.6rem; }
.service-text { color: rgba(37, 43, 51, 0.72); font-size: 0.95rem; margin: 0; }

/* ------------------------------- 10. Process ------------------------------- */
.process-section { background: var(--background); }
.process-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 2rem;
  position: relative;
}
.process-grid::before {
  content: "";
  position: absolute;
  top: 62px;
  left: 12.5%;
  right: 12.5%;
  height: 2px;
  background: repeating-linear-gradient(90deg, var(--accent-gold) 0 10px, transparent 10px 20px);
  opacity: 0.55;
}
.process-step { position: relative; text-align: center; padding: 0 0.5rem; }
.process-number {
  font-size: 0.85rem;
  font-weight: 800;
  color: var(--accent-gold);
  letter-spacing: 0.08em;
  margin-bottom: 0.75rem;
}
.process-icon {
  width: 68px;
  height: 68px;
  margin: 0 auto 1.25rem;
  border-radius: 50%;
  background: var(--primary);
  color: var(--accent-gold-light);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.4rem;
  border: 4px solid var(--background);
  box-shadow: 0 0 0 2px var(--border-subtle);
  position: relative;
  z-index: 1;
}
.process-title { margin-bottom: 0.5rem; font-size: 1.05rem; }
.process-text { color: rgba(37, 43, 51, 0.72); font-size: 0.92rem; margin: 0; }

/* ------------------------------ 11. Why Vago ------------------------------- */
.why-vago-section { background: var(--primary-dark); }
.why-item {
  height: 100%;
  padding: 2rem 1.5rem;
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: var(--radius-md);
  background: rgba(255, 255, 255, 0.03);
  transition: border-color 0.25s ease, background-color 0.25s ease, transform 0.25s ease;
}
.why-item:hover {
  border-color: var(--accent-gold);
  background: rgba(255, 255, 255, 0.05);
  transform: translateY(-4px);
}
.why-icon {
  width: 52px;
  height: 52px;
  border-radius: var(--radius-sm);
  background: rgba(201, 146, 53, 0.15);
  color: var(--accent-gold-light);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.3rem;
  margin-bottom: 1.25rem;
}
.why-title { color: #fff; margin-bottom: 0.5rem; font-size: 1.05rem; }
.why-text { color: rgba(255, 255, 255, 0.68); font-size: 0.92rem; margin: 0; }

/* --------------------------------- 12. CTA --------------------------------- */
.cta-section {
  background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
  overflow: hidden;
}
.cta-pattern {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.5;
  pointer-events: none;
}
.cta-title { color: #fff; margin-bottom: 1rem; }
.cta-text { color: rgba(255, 255, 255, 0.8); max-width: 620px; margin: 0 auto 2rem; font-size: 1.05rem; }
.cta-actions { display: flex; gap: 1rem; justify-content: center; flex-wrap: wrap; }

/* ------------------------------- 13. Contact -------------------------------- */
.contact-section { background: var(--light-background); }
.contact-details { margin: 1.75rem 0; display: flex; flex-direction: column; gap: 1.25rem; }
.contact-detail-item { display: flex; align-items: flex-start; gap: 1rem; }
.contact-detail-icon {
  flex: none;
  width: 44px;
  height: 44px;
  border-radius: var(--radius-sm);
  background: #fff;
  color: var(--accent-gold);
  display: flex;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--border-subtle);
}
.contact-detail-label { display: block; font-size: 0.78rem; font-weight: 700; text-transform: uppercase; letter-spacing: 0.06em; color: rgba(37, 43, 51, 0.5); margin-bottom: 0.15rem; }
.contact-detail-item a { font-weight: 600; color: var(--primary-dark); }
.contact-detail-item a:hover { color: var(--accent-gold); }

.social-links { gap: 0.6rem; margin-top: 1.5rem; }
.social-links a {
  width: 42px;
  height: 42px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border-subtle);
  background: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--primary);
  transition: background-color 0.2s ease, color 0.2s ease, transform 0.2s ease;
}
.social-links a:hover { background: var(--accent-gold); color: #fff; border-color: var(--accent-gold); transform: translateY(-3px); }
.site-footer .social-links a { background: rgba(255, 255, 255, 0.06); border-color: rgba(255, 255, 255, 0.14); color: #fff; }

/* -------------------------------- 14. Forms --------------------------------- */
.contact-form {
  background: #fff;
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: clamp(1.5rem, 1.2rem + 1.2vw, 2.5rem);
  box-shadow: var(--shadow-md);
}
.form-label { font-weight: 600; font-size: 0.9rem; margin-bottom: 0.4rem; color: var(--primary-dark); }
.required { color: #b3271f; }

.form-control, .form-select {
  border: 1.5px solid var(--border-subtle);
  border-radius: var(--radius-sm);
  padding: 0.75rem 1rem;
  font-size: 0.98rem;
  min-height: 48px;
  color: var(--body-text);
  background-color: #fff;
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
}
textarea.form-control { min-height: 130px; resize: vertical; }
.form-control:focus, .form-select:focus {
  border-color: var(--accent-gold);
  box-shadow: 0 0 0 3px rgba(201, 146, 53, 0.18);
  outline: none;
}
.form-control.is-invalid, .form-select.is-invalid { border-color: #b3271f; }
.form-control.is-invalid:focus, .form-select.is-invalid:focus { box-shadow: 0 0 0 3px rgba(179, 39, 31, 0.15); }
.invalid-feedback { display: none; font-size: 0.82rem; color: #b3271f; margin-top: 0.3rem; }
.form-control.is-invalid ~ .invalid-feedback,
.form-select.is-invalid ~ .invalid-feedback { display: block; }

.hp-field { position: absolute; left: -9999px; width: 1px; height: 1px; overflow: hidden; }

#contactSubmitBtn { display: inline-flex; align-items: center; justify-content: center; gap: 0.6rem; }

.form-toast-container {
  position: fixed;
  top: 100px;
  right: 1.25rem;
  z-index: 2000;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  max-width: min(380px, calc(100vw - 2.5rem));
}
.form-toast {
  padding: 1rem 1.15rem;
  border-radius: var(--radius-sm);
  box-shadow: var(--shadow-lg);
  font-size: 0.92rem;
  font-weight: 500;
  display: flex;
  align-items: flex-start;
  gap: 0.65rem;
  animation: toastIn 0.25s ease;
  color: #fff;
}
.form-toast.success { background: #1c7a4d; }
.form-toast.error { background: #b3271f; }
@keyframes toastIn { from { opacity: 0; transform: translateY(-8px); } to { opacity: 1; transform: translateY(0); } }

/* -------------------------------- 15. Footer -------------------------------- */
.site-footer {
  background: var(--primary-dark);
  color: rgba(255, 255, 255, 0.75);
  padding: 4.5rem 0 0;
}
.footer-logo {
  height: 60px;
  width: auto;
  margin-bottom: 1.25rem;
  background: #fff;
  padding: 8px 16px;
  border-radius: var(--radius-sm);
}
.footer-text { font-size: 0.92rem; color: rgba(255, 255, 255, 0.62); max-width: 320px; }
.footer-heading { color: #fff; font-size: 0.95rem; text-transform: uppercase; letter-spacing: 0.08em; margin-bottom: 1.25rem; }
.footer-links li + li { margin-top: 0.7rem; }
.footer-links a, .footer-links span { color: rgba(255, 255, 255, 0.62); font-size: 0.92rem; transition: color 0.2s ease; }
.footer-links a:hover { color: var(--accent-gold-light); }
.footer-links i { color: var(--accent-gold-light); width: 16px; text-align: center; }
.footer-bottom {
  margin-top: 3.5rem;
  padding: 1.5rem 0;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  text-align: center;
  font-size: 0.85rem;
  color: rgba(255, 255, 255, 0.5);
}

/* --------------------------- 16. Floating Actions --------------------------- */
.floating-btn {
  position: fixed;
  right: 1.5rem;
  width: 54px;
  height: 54px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: var(--shadow-lg);
  z-index: 1040;
  border: none;
  cursor: pointer;
  transition: transform 0.2s ease, opacity 0.2s ease, visibility 0.2s ease;
}

.whatsapp-btn {
  bottom: 1.5rem;
  background: #25D366;
  color: #fff;
  font-size: 1.5rem;
  overflow: hidden;
  padding: 0 16px;
  width: 54px;
  transition: width 0.25s ease, transform 0.2s ease;
}
.whatsapp-btn .floating-label {
  max-width: 0;
  overflow: hidden;
  white-space: nowrap;
  font-size: 0.85rem;
  font-weight: 600;
  transition: max-width 0.25s ease, margin 0.25s ease;
}
@media (hover: hover) {
  .whatsapp-btn:hover { width: auto; }
  .whatsapp-btn:hover .floating-label { max-width: 140px; margin-left: 0.6rem; }
}
.whatsapp-btn:hover { transform: translateY(-3px); }

.back-to-top-btn {
  bottom: 6.5rem;
  background: var(--primary);
  color: #fff;
  font-size: 1.1rem;
  opacity: 0;
  visibility: hidden;
  transform: translateY(10px);
}
.back-to-top-btn.is-visible { opacity: 1; visibility: visible; transform: translateY(0); }
.back-to-top-btn:hover { background: var(--accent-gold); transform: translateY(-3px); }

@media (max-width: 575px) {
  .floating-btn { width: 48px; height: 48px; right: 1rem; font-size: 1.25rem; }
  .whatsapp-btn { bottom: 1rem; }
  .back-to-top-btn { bottom: 5.5rem; font-size: 1rem; }
}

/* --------------------------------- 17. Animations --------------------------------- */
[data-aos] {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.6s ease, transform 0.6s ease;
  transition-delay: var(--aos-delay, 0ms);
}
[data-aos="fade-right"] { transform: translateX(-24px); }
[data-aos="fade-left"] { transform: translateX(24px); }
[data-aos].aos-visible { opacity: 1; transform: translate(0, 0); }

@media (prefers-reduced-motion: reduce) {
  [data-aos] { opacity: 1; transform: none; transition: none; }
}

/* ----------------------------- 18. Responsive ------------------------------- */
@media (max-width: 991px) {
  :root { --header-height: var(--header-height-mobile); --header-height-scrolled: var(--header-height-mobile); }
  .site-header:not(.is-scrolled) { background: rgba(0, 31, 73, 0.85); backdrop-filter: blur(4px); }
  .brand-logo, .site-header.is-scrolled .brand-logo { height: 48px; }
  .process-grid { grid-template-columns: repeat(2, 1fr); row-gap: 2.5rem; }
  .process-grid::before { display: none; }
}

@media (max-width: 575px) {
  .process-grid { grid-template-columns: 1fr; }
  .btn-quote { margin-left: 0; }
  section:not(.hero) { padding: 3.25rem 0; }
  .hero-actions { flex-direction: column; }
  .form-toast-container { top: auto; bottom: 6.5rem; right: 0.75rem; }
}