/* ============================================
   HILLSIDE AUTO — Unified site components
   Shared by all subpages (nav / hero / footer /
   fixed CTAs), ported from homepage design.
   Load AFTER style.css / components.css.
   ============================================ */

:root {
  --black: #000;
  --white: #fff;
  --gray-100: #f5f5f5;
  --gray-200: #e8e8e8;
  --gray-400: #aaa;
  --gray-600: #666;
  --gray-700: #444;
  --gray-800: #222;
  --font-en: 'Inter', system-ui, sans-serif;
  --font-jp: 'Noto Sans JP', sans-serif;
  --font-serif: 'Cormorant Garamond', Georgia, serif;
  --font-serif-jp: 'Noto Serif JP', serif;
  --ease: cubic-bezier(0.16, 1, 0.3, 1);
}

/* ===== NAV (unified) ===== */
.nav {
  position: fixed; top: 0; left: 0; width: 100%; z-index: 100;
  display: flex; align-items: center; justify-content: space-between;
  padding: 20px 32px;
  transition: background 0.4s ease;
}
.nav--scrolled { background: rgba(255,255,255,0.96); border-bottom: 1px solid var(--gray-200); }
.nav__logo {
  font-family: var(--font-en); font-size: 18px; font-weight: 500;
  letter-spacing: 0.2em; text-transform: uppercase; color: var(--white);
  transition: color 0.4s ease;
  text-decoration: none;
}
.nav--scrolled .nav__logo { color: var(--black); }
.nav__links { display: none; gap: 40px; }
.nav__links a {
  font-size: 11px; font-weight: 500; letter-spacing: 0.2em;
  text-transform: uppercase; color: rgba(255,255,255,0.7);
  transition: color 0.4s ease, opacity 0.3s ease;
  text-decoration: none;
}
.nav__links a:hover { opacity: 0.5; }
.nav__links a.active { color: var(--white); }
.nav--scrolled .nav__links a { color: var(--gray-600); }
.nav--scrolled .nav__links a.active { color: var(--black); }
.nav__right { display: flex; align-items: center; gap: 16px; }
.nav__lang {
  font-size: 10px; letter-spacing: 0.1em; display: flex; gap: 4px;
}
.nav__lang button {
  padding: 14px 10px; margin: -12px -4px; font-weight: 500; color: rgba(255,255,255,0.4);
  transition: color 0.4s ease;
  background: none; border: none; cursor: pointer; font-family: inherit; font-size: inherit;
}
.nav__lang button.active { color: var(--white); }
.nav--scrolled .nav__lang button { color: var(--gray-400); }
.nav--scrolled .nav__lang button.active { color: var(--black); }
.nav__menu {
  display: flex; flex-direction: column; justify-content: center; gap: 6px;
  width: 22px; cursor: pointer;
  box-sizing: content-box; padding: 13px; margin: -13px;
  background: none; border: none;
}
.nav__menu span { display: block; width: 100%; height: 1px; background: var(--white); transition: all 0.4s var(--ease); }
.nav--scrolled .nav__menu span { background: var(--black); }
.nav__menu.active span:first-child { transform: rotate(45deg) translate(2.5px, 2.5px); }
.nav__menu.active span:last-child { transform: rotate(-45deg) translate(2.5px, -2.5px); }

/* Mobile overlay */
.nav-overlay {
  position: fixed; inset: 0; background: var(--black); z-index: 99;
  display: flex; flex-direction: column; justify-content: center; align-items: center;
  transform: translateY(-100%); transition: transform 0.6s var(--ease);
  overflow-y: auto;
}
.nav-overlay.active { transform: translateY(0); }
.nav-overlay a {
  font-family: var(--font-serif); font-size: 36px; font-weight: 300;
  color: var(--white); padding: 16px 0;
  transition: opacity 0.3s ease;
  text-decoration: none;
}
.nav-overlay a:hover { opacity: 0.5; }
.nav-overlay__contact {
  margin-top: 48px; display: flex; gap: 16px;
}
.nav-overlay__contact a {
  font-family: var(--font-en); font-size: 11px; font-weight: 500;
  letter-spacing: 0.15em; text-transform: uppercase;
  border: 1px solid rgba(255,255,255,0.3); padding: 12px 28px;
}

/* ===== PAGE HERO (subpage cinematic) ===== */
.page-hero {
  position: relative; height: 55vh; height: 55svh; min-height: 380px;
  display: flex; align-items: flex-end; overflow: hidden;
}
.page-hero__img {
  position: absolute; inset: 0;
  background-color: #111;
  background-size: cover; background-position: center;
  background-repeat: no-repeat;
  filter: grayscale(100%) brightness(0.45);
}
.page-hero__body {
  position: relative; z-index: 2;
  padding: 0 32px 48px; color: var(--white); max-width: 760px;
}
.page-hero__sub {
  font-family: var(--font-en);
  font-size: 10px; font-weight: 500; letter-spacing: 0.35em;
  text-transform: uppercase; opacity: 0.6; margin: 0 0 16px;
}
.page-hero h1 {
  font-family: var(--font-serif); font-size: 34px; font-weight: 300;
  line-height: 1.2; letter-spacing: 0.01em; margin: 0; color: var(--white);
}
body.lang-ja .page-hero h1 {
  font-family: var(--font-serif-jp); font-size: 28px; letter-spacing: 0.05em;
}
.page-hero__desc {
  font-size: 13px; color: rgba(255,255,255,0.65);
  margin: 14px 0 0; line-height: 1.9; letter-spacing: 0.02em;
}
.page-hero__ctas { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 28px; }
.page-hero__ctas .btn { border-radius: 0; }
@media (min-width: 768px) {
  .page-hero { height: 62vh; height: 62svh; }
  .page-hero__body { padding: 0 8% 64px; }
  .page-hero h1 { font-size: 52px; }
  body.lang-ja .page-hero h1 { font-size: 38px; }
  .page-hero__desc { font-size: 14px; }
}

/* ===== FOOTER (unified .ft) ===== */
.ft {
  background: var(--black); color: var(--white);
  padding: 80px 40px 32px;
}
.ft__top {
  display: flex; flex-direction: column; gap: 48px;
  padding-bottom: 48px; border-bottom: 1px solid rgba(255,255,255,0.08);
}
.ft__logo {
  font-family: var(--font-en);
  font-size: 11px; font-weight: 500; letter-spacing: 0.3em;
  text-transform: uppercase; margin-bottom: 16px;
}
.ft__desc { font-size: 12px; color: rgba(255,255,255,0.3); line-height: 2; }
.ft__brand { max-width: 280px; }
.ft__info { display: flex; flex-direction: column; gap: 16px; }
.ft__info-line {
  display: flex; flex-direction: column; gap: 4px;
  font-size: 12px; color: rgba(255,255,255,0.5); line-height: 1.7; margin: 0;
}
.ft__info-label {
  font-family: var(--font-en);
  font-size: 10px; font-weight: 500; letter-spacing: 0.18em;
  text-transform: uppercase; color: rgba(255,255,255,0.3);
}
.ft__info-val { color: rgba(255,255,255,0.65); }
.ft__info-tel {
  font-family: var(--font-serif); font-size: 18px; font-weight: 400;
  color: var(--white) !important; letter-spacing: 0.01em;
  transition: opacity 0.3s ease; text-decoration: none;
}
.ft__info-tel:hover { opacity: 0.7; }
.ft__right { display: flex; flex-direction: column; gap: 24px; }
.ft__links {
  display: flex; flex-wrap: wrap; gap: 32px;
}
.ft__links a {
  font-family: var(--font-en);
  font-size: 10px; font-weight: 500; letter-spacing: 0.18em;
  text-transform: uppercase; color: rgba(255,255,255,0.4);
  transition: color 0.3s ease; text-decoration: none;
}
.ft__links a:hover { color: var(--white); }
.ft__social { display: flex; gap: 20px; }
.ft__social a {
  color: rgba(255,255,255,0.3); transition: color 0.3s ease;
}
.ft__social a:hover { color: var(--white); }
.ft__copy {
  padding-top: 32px; font-size: 10px; letter-spacing: 0.1em;
  color: rgba(255,255,255,0.15);
  padding-bottom: calc(72px + env(safe-area-inset-bottom));
}
@media (min-width: 768px) {
  .ft__top { flex-direction: row; justify-content: space-between; align-items: flex-start; }
  .ft__copy { padding-bottom: 0; }
}

/* ===== SCROLL TOP ===== */
.scroll-top {
  position: fixed; bottom: 80px; right: 24px;
  width: 40px; height: 40px; background: var(--black); color: var(--white);
  display: flex; align-items: center; justify-content: center;
  opacity: 0; visibility: hidden; transition: all 0.4s ease; z-index: 90;
  border: none; border-radius: 0; box-shadow: none; cursor: pointer;
  font-size: inherit;
}
.scroll-top.visible { opacity: 1; visibility: visible; }
.scroll-top:hover { background: var(--gray-800); }
@media (min-width: 768px) {
  .scroll-top { bottom: 88px; right: 32px; }
}

/* ===== MOBILE CTA BAR (3-way) ===== */
.mob-bar {
  position: fixed; bottom: 0; left: 0; width: 100%;
  display: flex; z-index: 95;
  box-shadow: 0 -4px 24px rgba(0,0,0,0.12);
  background: var(--black);
  padding-bottom: env(safe-area-inset-bottom);
}
.mob-bar a {
  flex: 1; display: flex; align-items: center; justify-content: center; gap: 7px;
  padding: 16px 6px; font-size: 11px; font-weight: 500; letter-spacing: 0.1em;
  text-transform: uppercase; color: var(--white); text-decoration: none;
  min-height: 56px; white-space: nowrap;
  transition: background 0.3s ease;
}
.mob-bar__tel { background: var(--black); }
.mob-bar__tel:active { background: var(--gray-800); }
.mob-bar__line { background: #06C755; }
.mob-bar__line:active { background: #05a847; }
.mob-bar__form { background: var(--gray-800); border-left: 1px solid rgba(255,255,255,0.12); }
.mob-bar__form:active { background: var(--black); }
.mob-bar svg { display: block; flex-shrink: 0; }

/* ===== STICKY FLOATING CTA (desktop) ===== */
.stick-cta {
  position: fixed; bottom: 32px; right: 32px;
  display: none; align-items: center; gap: 12px;
  padding: 16px 28px; background: var(--black); color: var(--white);
  font-family: var(--font-en);
  font-size: 11px; font-weight: 500; letter-spacing: 0.2em;
  text-transform: uppercase; z-index: 90;
  opacity: 0; transform: translateY(20px);
  transition: opacity 0.4s ease, transform 0.4s ease, background 0.3s ease;
  box-shadow: 0 12px 40px rgba(0,0,0,0.25);
  overflow: hidden; text-decoration: none;
}
.stick-cta.visible { opacity: 1; transform: translateY(0); }
.stick-cta:hover { background: var(--gray-800); }
.stick-cta__dot {
  width: 8px; height: 8px; border-radius: 50%; background: #4ade80;
  box-shadow: 0 0 0 4px rgba(74,222,128,0.2);
  animation: sitePulse 2s infinite;
}
@keyframes sitePulse {
  0%, 100% { box-shadow: 0 0 0 4px rgba(74,222,128,0.2); }
  50% { box-shadow: 0 0 0 8px rgba(74,222,128,0); }
}
.stick-cta__dot--closed {
  background: rgba(255,255,255,0.35);
  box-shadow: none;
  animation: none;
}

@media (min-width: 768px) {
  .mob-bar { display: none; }
  .stick-cta { display: inline-flex; }
}
@media (min-width: 1024px) {
  .nav__links { display: flex; }
  .nav__menu { display: none; }
}

/* ===== FADE IN (unified, JS-gated) ===== */
.js .fi { opacity: 0; transform: translateY(20px); transition: opacity 0.8s ease, transform 0.8s ease; }
.js .fi.visible { opacity: 1; transform: translateY(0); }

/* ===== Sharp images (kill legacy rounding/shadows on subpage photos) ===== */
.section img { border-radius: 0 !important; box-shadow: none !important; }

/* Hide any legacy fixed elements if left in markup */
.header, .mobile-menu, .footer, .mobile-cta-bar, .line-float { display: none !important; }

/* ===== MOTION (Phase 4) ===== */

/* Page-hero entrance (JS-gated) */
.js .page-hero__sub, .js .page-hero h1, .js .page-hero__desc, .js .page-hero__ctas {
  opacity: 0; transform: translateY(20px);
}
.js .page-hero__sub { transition: opacity 0.9s var(--ease) 0.1s, transform 0.9s var(--ease) 0.1s; }
.js .page-hero h1 { transition: opacity 0.9s var(--ease) 0.25s, transform 0.9s var(--ease) 0.25s; }
.js .page-hero__desc { transition: opacity 0.9s var(--ease) 0.4s, transform 0.9s var(--ease) 0.4s; }
.js .page-hero__ctas { transition: opacity 0.9s var(--ease) 0.55s, transform 0.9s var(--ease) 0.55s; }
.js .hero-in .page-hero__sub { opacity: 0.6; transform: none; }
.js .hero-in .page-hero h1,
.js .hero-in .page-hero__ctas { opacity: 1; transform: none; }
.js .hero-in .page-hero__desc { opacity: 1; transform: none; }

/* Page-hero image settle */
.page-hero__img { transform: scale(1.06); transition: transform 9s var(--ease); }
.hero-in .page-hero__img { transform: scale(1); }

/* Nav overlay — staggered link reveal */
.nav-overlay > a, .nav-overlay > .nav-overlay__contact {
  opacity: 0; transform: translateY(14px);
  transition: opacity 0.45s var(--ease), transform 0.45s var(--ease);
}
.nav-overlay.active > a, .nav-overlay.active > .nav-overlay__contact {
  opacity: 1; transform: none;
}
.nav-overlay.active > a:nth-of-type(2) { transition-delay: 0.06s; }
.nav-overlay.active > a:nth-of-type(3) { transition-delay: 0.12s; }
.nav-overlay.active > a:nth-of-type(4) { transition-delay: 0.18s; }
.nav-overlay.active > a:nth-of-type(5) { transition-delay: 0.24s; }
.nav-overlay.active > .nav-overlay__contact { transition-delay: 0.32s; }

/* Content images: grayscale, lifting to color at viewport center */
main .section img, main img.in-colorable {
  filter: grayscale(100%);
  transition: filter 0.9s ease;
}
@media (hover: hover) {
  main .section img:hover { filter: grayscale(0%); }
}
main .section img.in-color { filter: grayscale(0%) !important; }

/* Stagger reveal (classes applied by JS only) */
.st { opacity: 0; transform: translateY(24px); transition: opacity 0.7s var(--ease), transform 0.7s var(--ease); }
.st.visible { opacity: 1; transform: none; }

/* Reduced motion */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    transition-delay: 0ms !important;
  }
}