/* =========================
         HEADER SHELL
      ========================= */
.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  height: var(--header-height);
  background: #fff8f08b;
  -webkit-backdrop-filter: blur();
  backdrop-filter: blur(12px);
  border-bottom: 1px solid transparent;
  transition:
    border-color var(--transition-normal),
    box-shadow var(--transition-normal),
    background var(--transition-normal);
  padding: var(--space-2) 0;
}

/* Scrolled state — added via JS */
.header.scrolled {
  background: var(--color-white);
  border-color: rgba(0, 0, 0, 0.07);
  box-shadow: var(--shadow-sm);
}

.header__inner {
  max-width: 2000px;
  margin: 0 auto;
  height: 100%;
  padding: 0 var(--space-5);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-6);
}

/* =========================
         BRAND / LOGO
      ========================= */
.brand {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  flex-shrink: 0;
  text-decoration: none;
}

.brand__logo {
  width: 44px;
  height: 44px;
  border-radius: var(--radius-full);
  aspect-ratio: 1/1;
  object-fit: cover;
  flex-shrink: 0;
}

.brand__text {
  display: flex;
  flex-direction: column;
  line-height: 1;
}

.brand__name {
  font-family: var(--font-heading);
  font-weight: var(--fw-extrabold);
  font-size: 1.125rem;
  color: var(--color-primary);
  letter-spacing: -0.01em;
  text-transform: uppercase;
}

.brand__tagline {
  font-family: var(--font-body);
  font-weight: var(--fw-body-medium);
  font-size: 0.65rem;
  color: var(--color-text);
  letter-spacing: 0.04em;
  text-transform: uppercase;
  margin-top: 2px;
}

/* =========================
         DESKTOP NAV
      ========================= */
.nav {
  display: flex;
  align-items: center;
  gap: var(--space-1);
  list-style: none;
}

.nav__link {
  font-family: var(--font-heading);
  font-weight: var(--fw-medium);
  font-size: var(--fs-body);
  color: var(--color-text);
  padding: var(--space-2) var(--space-3);
  border-radius: var(--radius-sm);
  position: relative;
  transition: color var(--transition-fast);
}

/* Underline indicator */
.nav__link::after {
  content: "";
  position: absolute;
  bottom: 2px;
  left: var(--space-3);
  right: var(--space-3);
  height: 2px;
  background: var(--color-primary);
  border-radius: var(--radius-full);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform var(--transition-normal);
}

.nav__link:hover {
  color: var(--color-primary);
}

.nav__link:hover::after,
.nav__link.active::after {
  transform: scaleX(1);
}

.nav__link.active {
  color: var(--color-primary);
  font-weight: var(--fw-semibold);
}

/* =========================
         HEADER CTA BUTTON
      ========================= */
.btn-cta {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  background: var(--color-primary);
  color: var(--color-white);
  font-family: var(--font-heading);
  font-weight: var(--fw-bold);
  font-size: var(--fs-btn);
  padding: var(--space-3) var(--space-5);
  border-radius: var(--radius-full);
  border: none;
  cursor: pointer;
  white-space: nowrap;
  flex-shrink: 0;
  box-shadow: var(--shadow-red);
  transition:
    background var(--transition-fast),
    box-shadow var(--transition-fast),
    transform var(--transition-fast);
  text-decoration: none;
}

.btn-cta:hover {
  background: var(--color-primary-hover);
  box-shadow: 0 6px 24px rgba(204, 0, 0, 0.35);
  transform: translateY(-1px);
}

.btn-cta:active {
  transform: translateY(0px) scale(0.98);
  box-shadow: var(--shadow-red);
}

/* WhatsApp icon inside CTA */
.btn-cta__icon {
  width: 18px;
  height: 18px;
  flex-shrink: 0;
}

/* =========================
         HAMBURGER BUTTON
      ========================= */
.hamburger {
  display: none;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  gap: 5px;
  width: 40px;
  height: 40px;
  background: transparent;
  border: none;
  cursor: pointer;
  padding: var(--space-2);
  border-radius: var(--radius-sm);
  flex-shrink: 0;
  transition: background var(--transition-fast);
}

.hamburger:hover {
  background: var(--color-surface);
  transform: none; /* override global button scale */
  opacity: 1;
}

.hamburger:active {
  transform: none;
  opacity: 1;
}

.hamburger__line {
  width: 22px;
  height: 2px;
  background: var(--color-text);
  border-radius: var(--radius-full);
  transition:
    transform var(--transition-normal),
    opacity var(--transition-fast),
    width var(--transition-normal);
  transform-origin: center;
}

/* Animate to X when open */
.hamburger.open .hamburger__line:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}

.hamburger.open .hamburger__line:nth-child(2) {
  opacity: 0;
  width: 0;
}

.hamburger.open .hamburger__line:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

/* =========================
         MOBILE DRAWER OVERLAY
      ========================= */
.drawer-overlay {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.4);
  z-index: 999;
  opacity: 0;
  transition: opacity var(--transition-slow);
  backdrop-filter: blur(2px);
  pointer-events: none;
}

.drawer-overlay.visible {
  opacity: 1;
  pointer-events: auto;
}

/* =========================
         MOBILE DRAWER
      ========================= */
.drawer {
  position: fixed;
  top: 0;
  right: 0;
  bottom: 0;
  width: min(320px, 85vw);
  background: var(--color-white);
  z-index: 1001;
  transform: translateX(100%);
  transition: transform var(--transition-slow);
  display: flex;
  flex-direction: column;
  box-shadow: var(--shadow-lg);
}

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

.drawer__header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-5) var(--space-5);
  border-bottom: 1px solid var(--color-surface);
}

.drawer__brand {
  display: flex;
  align-items: center;
  gap: var(--space-2);
}

.drawer__logo {
  width: 36px;
  height: 36px;
  object-fit: contain;
}

.drawer__name {
  font-family: var(--font-heading);
  font-weight: var(--fw-extrabold);
  font-size: 1rem;
  color: var(--color-primary);
  text-transform: uppercase;
  letter-spacing: -0.01em;
}

.drawer__close {
  width: 36px;
  height: 36px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--color-surface);
  border: none;
  border-radius: var(--radius-sm);
  cursor: pointer;
  color: var(--color-text);
  font-size: 1.25rem;
  line-height: 1;
  transition: background var(--transition-fast);
}

.drawer__close:hover {
  background: var(--color-surface);
  transform: none;
  opacity: 1;
}

.drawer__close:active {
  transform: none;
  opacity: 1;
}

.drawer__nav {
  flex: 1;
  padding: var(--space-5) var(--space-4);
  display: flex;
  flex-direction: column;
  gap: var(--space-1);
  list-style: none;
  overflow-y: auto;
}

.drawer__nav-link {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  font-family: var(--font-heading);
  font-weight: var(--fw-semibold);
  font-size: 1rem;
  color: var(--color-text);
  padding: var(--space-4) var(--space-4);
  border-radius: var(--radius-md);
  transition:
    background var(--transition-fast),
    color var(--transition-fast);
}

.drawer__nav-link:hover,
.drawer__nav-link.active {
  background: #fff0f0;
  color: var(--color-primary);
}

.drawer__nav-link.active {
  font-weight: var(--fw-bold);
}

/* Dot indicator for active link */
.drawer__nav-link::before {
  content: "";
  width: 6px;
  height: 6px;
  border-radius: var(--radius-full);
  background: transparent;
  flex-shrink: 0;
  transition: background var(--transition-fast);
}

.drawer__nav-link.active::before {
  background: var(--color-primary);
}

.drawer__footer {
  padding: var(--space-5);
  border-top: 1px solid var(--color-surface);
}

.drawer__cta {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  width: 100%;
  background: var(--color-primary);
  color: var(--color-white);
  font-family: var(--font-heading);
  font-weight: var(--fw-bold);
  font-size: 1rem;
  padding: var(--space-4) var(--space-5);
  border-radius: var(--radius-full);
  border: none;
  cursor: pointer;
  box-shadow: var(--shadow-red);
  transition:
    background var(--transition-fast),
    box-shadow var(--transition-fast);
  text-decoration: none;
}

.drawer__cta:hover {
  background: var(--color-primary-hover);
  transform: none;
  opacity: 1;
}

.drawer__cta:active {
  transform: scale(0.98);
  opacity: 1;
}

.drawer__cta-icon {
  width: 20px;
  height: 20px;
}

/* =========================
         RESPONSIVE BREAKPOINTS
      ========================= */

/* Tablet and below — show hamburger, hide desktop nav */
@media (max-width: 838px) {
  .nav,
  .btn-cta {
    display: none;
  }

  .hamburger {
    display: flex;
  }

  .drawer-overlay {
    display: block;
  }

  .header__inner {
    padding: 0 var(--space-4);
  }
}

/* Small mobile */
@media (max-width: 380px) {
  .brand__tagline {
    display: none;
  }

  .brand__name {
    font-size: 1rem;
  }
  .header__inner {
    padding: 0 0;
  }
}