/* ========================================================================
   HEADER
   ========================================================================  */

.site-header {
  position: relative;
  z-index: var(--z-header);
  background: var(--white);
}

/* Top utility bar */
.topbar {
  background: var(--brand-blue);
  color: var(--white);
  font-size: var(--size-small);
}

.topbar__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-4);
  min-height: 32px;
  padding-block: var(--space-1);
}

.topbar__phone {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  color: var(--white);
  font-weight: 600;
  letter-spacing: 0.02em;
}
.topbar__phone:hover { color: rgba(255,255,255,0.85); }

.topbar__phone svg {
  width: 14px;
  height: 14px;
}

.lang-switcher {
  display: inline-flex;
  gap: var(--space-2);
  align-items: center;
}
.lang-switcher__link {
  display: inline-flex;
  align-items: center;
  gap: var(--space-1);
  padding: 2px 6px;
  border-radius: var(--radius-sm);
  color: var(--white);
  font-size: var(--size-small);
  opacity: 0.8;
  transition: opacity var(--duration-fast) var(--ease-out);
}
.lang-switcher__link:hover { opacity: 1; color: var(--white); }
.lang-switcher__link[aria-current="true"] {
  opacity: 1;
  background: rgba(255,255,255,0.15);
}
.lang-switcher__flag {
  width: 18px;
  height: 12px;
  border-radius: 2px;
  object-fit: cover;
}

/* Main nav */
.nav {
  background: var(--white);
  border-bottom: 1px solid var(--divider-grey);
}

.nav__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-5);
  min-height: 78px;
  padding-block: var(--space-3);
}

.nav__logo {
  display: inline-flex;
  align-items: center;
  flex-shrink: 0;
}
.nav__logo img {
  height: 50px;
  width: auto;
  max-width: 100%;
}
@media (max-width: 480px) {
  .nav__logo img { height: 38px; }
}

.nav__menu {
  display: flex;
  gap: var(--space-6);
  list-style: none;
  padding: 0;
  margin: 0;
  align-items: center;
}

.nav__link {
  display: inline-block;
  padding: var(--space-2) 0;
  color: var(--text-body);
  font-weight: 600;
  font-size: 0.95rem;
  letter-spacing: 0.02em;
  text-transform: capitalize;
  position: relative;
}
.nav__link::after {
  content: "";
  position: absolute;
  inset-inline: 0;
  bottom: 0;
  height: 2px;
  background: var(--brand-blue);
  transform: scaleX(0);
  transform-origin: center;
  transition: transform var(--duration-normal) var(--ease-out);
}
.nav__link:hover { color: var(--brand-blue); }
.nav__link:hover::after,
.nav__link[aria-current="page"]::after { transform: scaleX(1); }
.nav__link[aria-current="page"] { color: var(--brand-blue); }

.nav__whatsapp {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 42px;
  height: 42px;
  border-radius: 50%;
  background: #25D366;
  color: var(--white);
  flex-shrink: 0;
  transition: transform var(--duration-fast) var(--ease-out), box-shadow var(--duration-fast);
  box-shadow: 0 2px 6px rgba(37,211,102,0.4);
}
.nav__whatsapp:hover {
  transform: scale(1.06);
  color: var(--white);
  box-shadow: 0 4px 12px rgba(37,211,102,0.6);
}
.nav__whatsapp svg { width: 22px; height: 22px; }

/* Hamburger (mobile only) */
.nav__toggle {
  display: none;
  width: 40px;
  height: 40px;
  flex: 0 0 40px;
  background: transparent;
  border: 0;
  padding: 0;
  cursor: pointer;
  position: relative;
}
.nav__toggle::before,
.nav__toggle::after,
.nav__toggle span {
  content: "";
  position: absolute;
  left: 8px;
  right: 8px;
  height: 2px;
  background: var(--text-body);
  transition: transform var(--duration-fast) var(--ease-out), opacity var(--duration-fast);
}
.nav__toggle::before { top: 12px; }
.nav__toggle span    { top: 19px; }
.nav__toggle::after  { top: 26px; }

.nav.is-open .nav__toggle::before { transform: translateY(7px) rotate(45deg); }
.nav.is-open .nav__toggle span    { opacity: 0; }
.nav.is-open .nav__toggle::after  { transform: translateY(-7px) rotate(-45deg); }

@media (max-width: 900px) {
  .nav__toggle { display: block; }
  .nav__whatsapp { display: none; }  /* Replaced by floating action button on mobile */
  .nav__inner { gap: var(--space-3); }
  .nav__menu {
    position: absolute;
    top: 100%;
    inset-inline: 0;
    flex-direction: column;
    background: var(--white);
    box-shadow: var(--shadow-md);
    padding: var(--space-4);
    gap: 0;
    transform: translateY(-10px);
    opacity: 0;
    pointer-events: none;
    transition: transform var(--duration-normal) var(--ease-out), opacity var(--duration-normal);
  }
  .nav.is-open .nav__menu {
    transform: translateY(0);
    opacity: 1;
    pointer-events: auto;
  }
  .nav__menu li { width: 100%; border-bottom: 1px solid var(--divider-grey); }
  .nav__menu li:last-child { border-bottom: 0; }
  .nav__link { display: block; padding: var(--space-3) 0; width: 100%; }
}

/* ========================================================================
   BUTTONS
   ========================================================================  */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  padding: 0.75em 2em;
  font-family: var(--font-display);
  font-size: 1.125rem;
  font-weight: 400;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  border: 0;
  cursor: pointer;
  transition: background var(--duration-fast) var(--ease-out), transform var(--duration-fast);
  text-decoration: none;
}
.btn:hover { transform: translateY(-1px); }
.btn:active { transform: translateY(0); }

.btn--cta {
  background: var(--cta-orange);
  color: var(--white);
  border-radius: var(--radius-pill);
}
.btn--cta:hover { background: #DA6E22; color: var(--white); }

.btn--submit {
  background: var(--cta-orange-bright);
  color: var(--white);
  border-radius: 0;
  width: 100%;
  padding-block: 0.85em;
}
.btn--submit:hover { background: #E55C00; color: var(--white); }
.btn--submit:disabled { opacity: 0.6; cursor: not-allowed; }

/* ========================================================================
   HERO
   ========================================================================  */

.hero {
  position: relative;
  isolation: isolate;
  color: var(--white);
  padding-block: clamp(4rem, 6vw, 7rem);
  background-color: #0E1F2E;
  background-size: cover;
  background-position: center;
  overflow: hidden;
}
.hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(0,30,60,0.7) 0%, rgba(0,0,0,0.45) 100%);
  z-index: -1;
}
.hero__inner {
  display: grid;
  gap: var(--space-6);
  align-items: center;
}
@media (min-width: 768px) {
  .hero__inner { grid-template-columns: 1.4fr 1fr; }
}

.hero__eyebrow {
  font-size: 0.875rem;
  font-weight: 600;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--brand-blue-light);
  margin-bottom: var(--space-3);
}
.hero__title {
  font-size: clamp(2rem, 1.5rem + 2.5vw, 3.5rem);
  color: var(--white);
  line-height: 1.15;
  font-weight: 700;
  max-width: 22ch;
}

.hero__visual {
  border-radius: var(--radius-md);
  overflow: hidden;
  box-shadow: var(--shadow-md);
}
.hero__visual img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  aspect-ratio: 4 / 3;
}

/* Page hero (smaller, banner-style) */
.page-hero {
  position: relative;
  isolation: isolate;
  color: var(--white);
  background: linear-gradient(135deg, var(--brand-blue), var(--brand-blue-dark));
  background-size: cover;
  background-position: center;
  padding-block: clamp(3rem, 4vw, 5rem);
  text-align: center;
}
.page-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background: rgba(0, 30, 60, 0.4);
  z-index: -1;
}
.page-hero__title {
  color: var(--white);
  font-size: clamp(2rem, 1.5rem + 2vw, 3rem);
}

/* Contact hero variant — call-to-action with phone */
.contact-hero {
  position: relative;
  isolation: isolate;
  color: var(--white);
  background-size: cover;
  background-position: center;
  padding-block: clamp(3rem, 4vw, 5rem);
  text-align: center;
}
.contact-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background: rgba(0, 0, 0, 0.5);
  z-index: -1;
}
.contact-hero h2 { color: var(--white); margin-bottom: var(--space-3); }
.contact-hero hr {
  border: 0;
  border-top: 1px solid rgba(255,255,255,0.4);
  width: 80px;
  margin: var(--space-4) auto;
}
.contact-hero__cta {
  font-size: 1.25rem;
  margin-bottom: var(--space-3);
  color: var(--white);
}
.contact-hero__phone {
  display: inline-block;
  font-size: clamp(2rem, 1.5rem + 2vw, 3rem);
  font-weight: 700;
  color: var(--cta-orange);
  font-family: var(--font-display);
}
.contact-hero__phone:hover { color: var(--cta-orange-bright); }

/* ========================================================================
   WELCOME BANNER (home)
   ========================================================================  */

.welcome-banner {
  background: var(--brand-blue);
  color: var(--white);
  padding-block: var(--space-7);
  text-align: center;
}
.welcome-banner h2 {
  color: var(--white);
  margin-bottom: var(--space-6);
}
.welcome-banner__features {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
  gap: var(--space-5);
  max-width: 900px;
  margin-inline: auto;
}
.welcome-banner__feature {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-3);
  font-weight: 600;
}
.welcome-banner__icon {
  width: 64px;
  height: 64px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border: 2px solid rgba(255,255,255,0.6);
  border-radius: 50%;
  flex-shrink: 0;
}
.welcome-banner__icon svg { width: 30px; height: 30px; color: var(--white); }
.welcome-banner__feature h3 {
  color: var(--white);
  font-size: 1.125rem;
  font-weight: 600;
}

/* ========================================================================
   ABOUT TWO-COLUMN
   ========================================================================  */

.about-two-col {
  display: grid;
  gap: var(--space-7);
  align-items: center;
}
@media (min-width: 768px) {
  .about-two-col { grid-template-columns: 1.2fr 1fr; }
}
.about-two-col__visual {
  border-radius: var(--radius-md);
  overflow: hidden;
  box-shadow: var(--shadow-md);
}
.about-two-col__visual img { aspect-ratio: 4 / 3; object-fit: cover; width: 100%; }

.about-two-col__title { margin-bottom: var(--space-4); }
.about-two-col__body p { margin-bottom: var(--space-4); }

/* ========================================================================
   PROJECTS GRID (home)
   ========================================================================  */

.projects {
  text-align: center;
}
.projects__title {
  margin-bottom: var(--space-6);
}
.projects__grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: var(--space-5);
}
.project-card {
  display: block;
  position: relative;
  overflow: hidden;
  border-radius: var(--radius-md);
  background: var(--white);
  box-shadow: var(--shadow-card);
  transition: transform var(--duration-normal) var(--ease-out), box-shadow var(--duration-normal);
}
.project-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 8px 24px rgba(0,0,0,0.15);
}
.project-card__image {
  aspect-ratio: 1;
  width: 100%;
  object-fit: cover;
  display: block;
}
.project-card__title {
  padding: var(--space-4);
  margin: 0;
  color: var(--brand-blue);
  font-size: 1.25rem;
  text-align: center;
}

/* ========================================================================
   GALLERY
   ========================================================================  */

.gallery {
  display: grid;
  gap: var(--space-4);
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
}
.gallery--3col { grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); max-width: 1000px; margin-inline: auto; }

.gallery a {
  display: block;
  overflow: hidden;
  border-radius: var(--radius-sm);
  box-shadow: var(--shadow-sm);
  background: var(--bg-section);
  aspect-ratio: 4 / 3;
  position: relative;
}
.gallery a::after {
  content: "";
  position: absolute;
  inset: 0;
  background: rgba(51,154,210,0);
  transition: background var(--duration-normal) var(--ease-out);
  pointer-events: none;
}
.gallery a:hover::after { background: rgba(51,154,210,0.18); }
.gallery img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--duration-slow) var(--ease-out);
}
.gallery a:hover img { transform: scale(1.05); }

/* ========================================================================
   CONTACT FORM
   ========================================================================  */

.contact-section {
  position: relative;
  isolation: isolate;
  background-size: cover;
  background-position: center;
  background-attachment: fixed;
  padding-block: var(--space-section);
  color: var(--white);
}
.contact-section::before {
  content: "";
  position: absolute;
  inset: 0;
  background: rgba(0,0,0,0.65);
  z-index: -1;
}
.contact-section h3 {
  color: var(--white);
  text-align: center;
  margin-bottom: var(--space-6);
  font-size: clamp(1.5rem, 1.2rem + 1.4vw, 2rem);
}

.contact-form {
  display: grid;
  gap: var(--space-3);
  max-width: 640px;
  margin-inline: auto;
}
.contact-form input,
.contact-form textarea {
  width: 100%;
  padding: 0.85em 1em;
  background: var(--white);
  border: 1px solid var(--divider-grey);
  border-radius: 0;
  font-size: 1rem;
  color: var(--text-body);
  transition: border-color var(--duration-fast) var(--ease-out), box-shadow var(--duration-fast);
}
.contact-form input:focus,
.contact-form textarea:focus {
  outline: 0;
  border-color: var(--brand-blue);
  box-shadow: 0 0 0 3px rgba(51,154,210,0.2);
}
.contact-form textarea { min-height: 140px; resize: vertical; }

input.contact-form__honeypot {
  position: absolute !important;
  width: 1px !important;
  height: 1px !important;
  padding: 0 !important;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0 !important;
  opacity: 0;
  pointer-events: none;
}

.form-status {
  text-align: center;
  padding: var(--space-3);
  border-radius: var(--radius-sm);
  font-weight: 600;
  display: none;
}
.form-status.is-success { display: block; background: rgba(46,160,67,0.15); color: #2EA043; border: 1px solid #2EA043; }
.form-status.is-error   { display: block; background: rgba(218,54,51,0.15); color: #DA3633; border: 1px solid #DA3633; }

/* Contact page two-column */
.contact-grid {
  display: grid;
  gap: var(--space-7);
}
@media (min-width: 900px) {
  .contact-grid { grid-template-columns: 1fr 1.2fr; }
}

.contact-info h2 {
  position: relative;
  margin-bottom: var(--space-6);
  padding-bottom: var(--space-3);
}
.contact-info h2::after {
  content: "";
  position: absolute;
  bottom: 0;
  inset-inline-start: 0;
  width: 60px;
  height: 3px;
  background: var(--cta-orange);
}
.contact-info__item {
  margin-bottom: var(--space-5);
}
.contact-info__item h4 {
  color: var(--brand-blue);
  font-size: 0.95rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  margin-bottom: var(--space-1);
}
.contact-info__item p,
.contact-info__item a {
  font-size: 1rem;
  color: var(--text-body);
}

/* Contact page form (light bg variant) */
.contact-page-form {
  background: var(--white);
  padding: var(--space-6);
  border: 1px solid var(--divider-grey);
}
.contact-page-form input,
.contact-page-form textarea {
  background: var(--bg-section);
}

/* ========================================================================
   FOOTER
   ========================================================================  */

.site-footer {
  background: var(--brand-blue);
  color: var(--white);
  padding-block: var(--space-7);
  margin-top: var(--space-8);
}
.site-footer a { color: var(--white); }
.site-footer a:hover { color: rgba(255,255,255,0.85); }

.site-footer__inner {
  display: grid;
  gap: var(--space-6);
  grid-template-columns: 1fr;
  align-items: center;
}
@media (min-width: 768px) {
  .site-footer__inner { grid-template-columns: auto 1fr auto; }
}

.site-footer__logo img {
  height: 50px;
  width: auto;
}

.site-footer__info {
  display: grid;
  gap: var(--space-4);
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
}
.site-footer__info-item {
  display: flex;
  align-items: flex-start;
  gap: var(--space-3);
}
.site-footer__info-item svg {
  width: 20px; height: 20px;
  flex-shrink: 0;
  margin-top: 3px;
  color: var(--white);
}
.site-footer__info-item h4 {
  font-size: 0.85rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  margin-bottom: 2px;
  color: rgba(255,255,255,0.85);
}
.site-footer__info-item p,
.site-footer__info-item a {
  color: var(--white);
  font-size: 0.95rem;
}

.site-footer__social {
  display: flex;
  gap: var(--space-3);
  margin-top: var(--space-3);
}
.site-footer__social a {
  width: 36px; height: 36px;
  border-radius: 50%;
  background: rgba(255,255,255,0.15);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  transition: background var(--duration-fast) var(--ease-out);
}
.site-footer__social a:hover { background: rgba(255,255,255,0.3); }
.site-footer__social svg { width: 18px; height: 18px; color: var(--white); }

.site-footer__bottom {
  margin-top: var(--space-6);
  padding-top: var(--space-4);
  border-top: 1px solid rgba(255,255,255,0.2);
  text-align: center;
  font-size: 0.875rem;
  color: rgba(255,255,255,0.85);
}

/* ========================================================================
   WHATSAPP FLOATING ACTION BUTTON (mobile-prominent)
   ========================================================================  */

.whatsapp-fab {
  position: fixed;
  bottom: 1.5rem;
  inset-inline-end: 1.5rem;
  z-index: var(--z-fab);
  width: 56px;
  height: 56px;
  border-radius: 50%;
  background: #25D366;
  color: var(--white);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 6px 20px rgba(37,211,102,0.5);
  transition: transform var(--duration-normal) var(--ease-out);
}
.whatsapp-fab:hover {
  transform: scale(1.08);
  color: var(--white);
}
.whatsapp-fab svg { width: 30px; height: 30px; }

@media (min-width: 900px) {
  .whatsapp-fab { display: none; }
}