/* =============================================
   COMPONENTS — Apple-inspired light theme
   ============================================= */

/* ── SITE HEADER ────────────────────────── */
.site-header {
  background-color: rgba(245, 245, 247, 0.8);
  backdrop-filter: saturate(180%) blur(20px);
  -webkit-backdrop-filter: saturate(180%) blur(20px);
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  border-bottom: 1px solid rgba(0, 0, 0, 0.05);
  transition: all 0.3s ease;
}

.site-header__inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  height: 60px;
  max-width: 1024px;
  margin: 0 auto;
  padding: 0 24px;
}

.site-header__logo {
  font-weight: 600;
  font-size: 1.1rem;
  letter-spacing: -0.01em;
  color: var(--color-text-primary);
  display: flex;
  align-items: center;
  gap: 8px;
  transition: color 0.2s;
}

.site-header__logo:hover {
  color: var(--color-accent);
}

.site-header__logo span {
  color: var(--color-accent);
}

.site-header__nav {
  display: flex;
  align-items: center;
  gap: 24px;
}

.site-header__link {
  font-size: 0.95rem;
  font-weight: 500;
  color: var(--color-text-primary);
  transition: color 0.2s;
}

.site-header__link:hover,
.site-header__link.is-active {
  color: var(--color-accent);
}

/* Mobile Menu Toggle */
.menu-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 28px;
  height: 28px;
  cursor: pointer;
  z-index: 105;
}

.menu-toggle__bar {
  width: 100%;
  height: 2px;
  background: var(--color-text-primary);
  border-radius: 1px;
  transition:
    transform 0.3s ease,
    opacity 0.2s ease;
}

.menu-toggle.is-open .menu-toggle__bar:nth-child(1) {
  transform: translateY(4px) rotate(45deg);
}

.menu-toggle.is-open .menu-toggle__bar:nth-child(2) {
  opacity: 0;
}

.menu-toggle.is-open .menu-toggle__bar:nth-child(3) {
  transform: translateY(-4px) rotate(-45deg);
}

/* Mobile Menu Overlay */
.mobile-menu {
  display: none;
  position: fixed;
  inset: 0;
  z-index: 99;
  background: var(--color-bg);
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: var(--space-8);
  opacity: 0;
  visibility: hidden;
  transition:
    opacity 0.4s ease,
    visibility 0.4s ease;
}

.mobile-menu.is-open {
  opacity: 1;
  visibility: visible;
}

.mobile-menu__link {
  font-size: 2.5rem;
  font-weight: 300;
  letter-spacing: -0.02em;
  color: var(--color-text-primary);
  transition: color 0.2s;
}

.mobile-menu__link:hover {
  color: var(--color-accent);
}

@media (max-width: 768px) {
  .site-header__nav {
    display: none;
  }
  .menu-toggle {
    display: flex;
  }
  .mobile-menu {
    display: flex;
  }
}

/* ── BUTTONS ────────────────────────────── */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  font-size: 0.85rem;
  font-weight: 500;
  padding: 10px 20px;
  border: none;
  border-radius: 980px;
  cursor: pointer;
  transition: all 0.2s ease;
  text-decoration: none;
  white-space: nowrap;
}

/* Primary — Blue filled */
.btn--primary {
  background: var(--color-accent);
  color: white;
}

.btn--primary:hover {
  background: var(--color-accent-hover);
  color: white;
}

/* Secondary — Outlined */
.btn--secondary {
  background: transparent;
  color: var(--color-text-primary);
  border: 1px solid var(--color-border);
}

.btn--secondary:hover {
  border-color: var(--color-text-secondary);
}

/* Ghost — Text with arrow */
.btn--ghost {
  background: transparent;
  color: var(--color-accent);
  padding-left: 0;
  padding-right: 0;
  border-radius: 0;
}

.btn--ghost::after {
  content: "\2192";
  display: inline-block;
  transition: transform 0.2s ease;
}

.btn--ghost:hover::after {
  transform: translateX(4px);
}

.btn--lg {
  padding: 14px 28px;
  font-size: 1.1rem;
}

/* ── CARDS ──────────────────────────────── */
.card {
  background: var(--color-card-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 32px;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.02);
  transition:
    transform 0.2s,
    box-shadow 0.2s;
}

.card:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.06);
}

/* Project Card */
.card--project {
  padding: 0;
  overflow: hidden;
}

.card--project__image {
  width: 100%;
  aspect-ratio: 16 / 9;
  object-fit: cover;
  transition: transform 0.6s ease;
}

.card--project:hover .card--project__image {
  transform: scale(1.03);
}

.card--project__body {
  padding: 24px 32px;
}

.card--project__overline {
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--color-accent);
  margin-bottom: 8px;
}

.card--project__title {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--color-text-primary);
  margin-bottom: 12px;
}

.card--project__desc {
  font-size: 0.95rem;
  color: var(--color-text-secondary);
  line-height: 1.6;
}

/* Service Card */
.card--service {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.card--service__title {
  font-size: 1.2rem;
  font-weight: 600;
  color: var(--color-text-primary);
}

.card--service__desc {
  font-size: 0.95rem;
  color: var(--color-text-secondary);
  line-height: 1.6;
}

/* ── FORM INPUTS ────────────────────────── */
.input {
  width: 100%;
  background: var(--color-card-bg);
  border: 1px solid var(--color-border);
  padding: 12px 16px;
  font-size: 0.95rem;
  color: var(--color-text-primary);
  border-radius: var(--radius-md);
  outline: none;
  transition:
    border-color 0.2s ease,
    box-shadow 0.2s ease;
}

.input::placeholder {
  color: var(--color-text-secondary);
}

.input:focus {
  border-color: var(--color-accent);
  box-shadow: 0 0 0 3px rgba(0, 113, 227, 0.15);
}

.input--textarea {
  resize: vertical;
  min-height: 140px;
}

/* ── DIVIDER ────────────────────────────── */
.divider {
  width: 100%;
  height: 1px;
  background: var(--color-border);
  border: none;
}

.divider--short {
  width: 60px;
  margin: 0;
}

/* Diamond separator */
.sep-diamond {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
}

.sep-diamond__line {
  width: 30px;
  height: 1px;
  background: var(--color-text-secondary);
  opacity: 0.3;
}

.sep-diamond__dot {
  width: 5px;
  height: 5px;
  background: var(--color-text-secondary);
  transform: rotate(45deg);
  opacity: 0.4;
  flex-shrink: 0;
}

/* ── TAGS ───────────────────────────────── */
.tag {
  display: inline-flex;
  align-items: center;
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  padding: 3px 10px;
  border-radius: var(--radius-sm);
  background: rgba(0, 113, 227, 0.1);
  color: var(--color-accent);
  transition: all 0.2s;
}

.tag:hover {
  background: rgba(0, 113, 227, 0.2);
}

/* ── FOOTER ─────────────────────────────── */
.site-footer {
  background-color: var(--color-card-bg);
  padding: 60px 24px 40px;
  border-top: 1px solid var(--color-border);
}

.site-footer__inner {
  max-width: 1024px;
  margin: 0 auto;
}

.site-footer__top {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 60px;
  padding-bottom: 40px;
  border-bottom: 1px solid var(--color-border);
  margin-bottom: 30px;
}

.site-footer__brand {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.site-footer__logo {
  font-weight: 600;
  font-size: 1.3rem;
  color: var(--color-text-primary);
}

.site-footer__tagline {
  font-size: 0.85rem;
  color: var(--color-text-secondary);
}

.site-footer__links {
  display: flex;
  gap: 48px;
}

.site-footer__col {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.site-footer__col-title {
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: var(--color-text-secondary);
  margin-bottom: 4px;
}

.site-footer__link {
  font-size: 0.95rem;
  font-weight: 500;
  color: var(--color-text-secondary);
  transition: color 0.2s;
}

.site-footer__link:hover {
  color: var(--color-accent);
}

.site-footer__bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 16px;
}

.site-footer__copy {
  font-size: 0.85rem;
  color: var(--color-text-secondary);
}

.site-footer__social {
  display: flex;
  gap: 24px;
}

.site-footer__social a {
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--color-text-secondary);
  transition: color 0.2s;
}

.site-footer__social a:hover {
  color: var(--color-accent);
}

@media (max-width: 768px) {
  .site-footer__top {
    grid-template-columns: 1fr;
    gap: 40px;
  }

  .site-footer__links {
    gap: 32px;
    flex-wrap: wrap;
  }

  .site-footer__bottom {
    flex-direction: column;
    align-items: flex-start;
  }
}

/* ── LOGO BAR ───────────────────────────── */
.logo-bar {
  display: flex;
  align-items: center;
  justify-content: center;
  flex-wrap: wrap;
  gap: 40px 48px;
  padding: 32px 0;
}

.logo-bar__item {
  font-size: 1.125rem;
  font-weight: 300;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: var(--color-text-secondary);
  opacity: 0.5;
  transition: opacity 0.2s;
}

.logo-bar__item:hover {
  opacity: 1;
}