/* === Layout: Header, Footer, Global Elements === */

/* ==============================
   HEADER
   ============================== */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: var(--header-height);
  background: rgba(255, 255, 255, 0.96);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid transparent;
  z-index: var(--z-header);
  transition: border-color var(--transition-base), box-shadow var(--transition-base);
}

.site-header.is-scrolled {
  border-bottom-color: var(--color-border-light);
  box-shadow: var(--shadow-sm);
}

.header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
  gap: var(--space-3);
}

.header__logo img {
  height: 70px;
  width: auto;
}

/* === NAV === */
.header__nav {
  flex: 1;
  display: none;
}

@media (min-width: 1025px) {
  .header__nav {
    display: flex;
    justify-content: center;
  }
}

.nav__list {
  display: flex;
  align-items: center;
  gap: var(--space-0);
}

.nav__link {
  font-family: var(--font-ui);
  font-size: 0.9375rem;
  font-weight: 500;
  color: var(--color-text-primary);
  padding: var(--space-1) 14px;
  border-radius: var(--radius-sm);
  transition: color var(--transition-fast), background-color var(--transition-fast);
  position: relative;
}

.nav__link::after {
  content: '';
  position: absolute;
  bottom: 2px;
  left: 14px;
  right: 14px;
  height: 2px;
  background: var(--color-secondary);
  transform: scaleX(0);
  transition: transform var(--transition-base);
  border-radius: 1px;
}

.nav__link:hover,
.nav__link[aria-current="page"] {
  color: var(--color-secondary);
}

.nav__link[aria-current="page"]::after,
.nav__link:hover::after {
  transform: scaleX(1);
}

/* === HEADER CTA === */
.header__cta {
  display: none;
  flex-shrink: 0;
}

@media (min-width: 1025px) {
  .header__cta { display: inline-flex; }
}

/* === HAMBURGER === */
.hamburger {
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 40px;
  height: 40px;
  padding: var(--space-1);
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: background-color var(--transition-fast);
  flex-shrink: 0;
}

.hamburger:hover { background-color: var(--color-surface); }

@media (min-width: 1025px) {
  .hamburger { display: none; }
}

.hamburger__line {
  display: block;
  width: 100%;
  height: 2px;
  background: var(--color-primary);
  border-radius: 1px;
  transition: transform var(--transition-base), opacity var(--transition-base);
  transform-origin: center;
}

.hamburger[aria-expanded="true"] .hamburger__line:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}
.hamburger[aria-expanded="true"] .hamburger__line:nth-child(2) {
  opacity: 0;
  transform: scaleX(0);
}
.hamburger[aria-expanded="true"] .hamburger__line:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

/* === MOBILE DRAWER === */
.mobile-drawer {
  position: fixed;
  top: var(--header-height);
  left: 0;
  right: 0;
  bottom: 0;
  background: var(--color-bg);
  z-index: calc(var(--z-header) - 1);
  overflow-y: auto;
  transform: translateX(-100%);
  transition: transform var(--transition-slow);
  padding: var(--space-4) var(--container-padding);
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

.mobile-drawer.is-open {
  transform: translateX(0);
}

.mobile-drawer__nav ul {
  display: flex;
  flex-direction: column;
  gap: var(--space-0);
}

.mobile-drawer__nav .nav__link {
  display: block;
  font-size: 1.125rem;
  padding: var(--space-2) 0;
  border-bottom: 1px solid var(--color-border-light);
  border-radius: 0;
}

.mobile-drawer__nav .nav__link::after { display: none; }

.mobile-drawer__cta {
  margin-top: var(--space-3);
}

/* ==============================
   FOOTER
   ============================== */
.site-footer {
  background: var(--color-primary-dark);
  color: rgba(255,255,255,0.85);
  padding: var(--space-10) 0 0;
}

.footer__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-6);
  padding-bottom: var(--space-8);
  border-bottom: 1px solid rgba(255,255,255,0.12);
}

@media (min-width: 768px) {
  .footer__grid { grid-template-columns: repeat(2, 1fr); }
}

@media (min-width: 1025px) {
  .footer__grid { grid-template-columns: 2fr 1fr 1fr 2fr; }
}

.footer__brand {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

.footer__tagline {
  font-size: 0.875rem;
  line-height: 1.6;
  color: rgba(255,255,255,0.6);
}

.footer__social {
  display: flex;
  gap: var(--space-2);
}

.footer__social a {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  border-radius: var(--radius-circle);
  background: rgba(255,255,255,0.10);
  color: rgba(255,255,255,0.75);
  transition: background-color var(--transition-fast), color var(--transition-fast);
}

.footer__social a:hover {
  background: var(--color-secondary);
  color: #fff;
}

.footer__nav-title {
  font-family: var(--font-heading);
  font-size: 0.875rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: #fff;
  margin-bottom: var(--space-2);
}

.footer__nav ul {
  display: flex;
  flex-direction: column;
  gap: var(--space-1);
}

.footer__nav a {
  font-size: 0.9375rem;
  color: rgba(255,255,255,0.65);
  transition: color var(--transition-fast);
}

.footer__nav a:hover {
  color: #fff;
}

.footer__newsletter p {
  font-size: 0.9375rem;
  color: rgba(255,255,255,0.65);
  margin-bottom: var(--space-2);
}

.footer__newsletter .form-input {
  background: rgba(255,255,255,0.08);
  border-color: rgba(255,255,255,0.2);
  color: #fff;
}

.footer__newsletter .form-input::placeholder {
  color: rgba(255,255,255,0.4);
}

.footer__newsletter .form-input:focus {
  border-color: rgba(255,255,255,0.6);
  box-shadow: 0 0 0 3px rgba(255,255,255,0.1);
}

.footer__newsletter .btn-primary {
  width: 100%;
}

.footer__bottom {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-1);
  padding: var(--space-4) 0;
  text-align: center;
}

@media (min-width: 768px) {
  .footer__bottom {
    flex-direction: row;
    justify-content: space-between;
    text-align: left;
  }
}

.footer__copyright,
.footer__credits {
  font-size: 0.8125rem;
  color: rgba(255,255,255,0.4);
}

/* ==============================
   SCROLL TO TOP BUTTON
   ============================== */
.scroll-top-btn {
  position: fixed;
  bottom: var(--space-4);
  right: var(--space-4);
  width: 44px;
  height: 44px;
  border-radius: var(--radius-circle);
  background: var(--color-secondary);
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: var(--shadow-md);
  z-index: var(--z-dropdown);
  transition: background-color var(--transition-fast),
              transform var(--transition-base),
              opacity var(--transition-base);
  opacity: 0;
  transform: translateY(16px);
}

.scroll-top-btn:not([hidden]) {
  opacity: 1;
  transform: translateY(0);
}

.scroll-top-btn[hidden] {
  display: flex;
  opacity: 0;
  pointer-events: none;
}

.scroll-top-btn:hover {
  background: var(--color-primary);
  transform: translateY(-2px);
}

/* ==============================
   PAGE OFFSET FOR FIXED HEADER
   ============================== */
main {
  padding-top: var(--header-height);
}

/* ==============================
   HERO MINIMALISTA (inner pages)
   ============================== */
.page-hero {
  background: var(--color-primary);
  color: #fff;
  padding: var(--space-10) 0 var(--space-8);
  text-align: center;
}

.page-hero__eyebrow {
  display: inline-block;
  font-family: var(--font-ui);
  font-size: 0.75rem;
  font-weight: 500;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: rgba(255,255,255,0.6);
  margin-bottom: var(--space-2);
}

.page-hero__title {
  font-family: var(--font-display);
  font-size: clamp(2.5rem, 6vw, 4.5rem);
  font-weight: 700;
  line-height: 1.05;
  letter-spacing: -0.02em;
  color: #fff;
  margin-bottom: var(--space-3);
}

.page-hero__desc {
  font-size: 1.125rem;
  color: rgba(255,255,255,0.75);
  max-width: 56ch;
  margin: 0 auto;
  line-height: 1.65;
}

/* ==============================
   REVEAL ANIMATION CLASSES
   ============================== */
.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity var(--transition-slow), transform var(--transition-slow);
}

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

.reveal--right {
  transform: translateX(24px);
}

.reveal--right.is-visible {
  transform: translateX(0);
}

.reveal--delay-1 { transition-delay: 100ms; }
.reveal--delay-2 { transition-delay: 200ms; }
.reveal--delay-3 { transition-delay: 300ms; }
.reveal--delay-4 { transition-delay: 400ms; }