/* =========================================================
   La Strada OSTERIA — styles
   ========================================================= */

:root {
  --bg:        #f4efe7;
  --bg-soft:   #faf7f1;
  --white:     #ffffff;
  --text:      #423d36;
  --muted:     #8b8478;
  --muted-2:   #6f685e;
  --accent:    #a05a3c;
  --accent-dk: #8c4d33;
  --line:      #e4ddd0;
  --serif-jp:  "Shippori Mincho", "Hiragino Mincho ProN", "Yu Mincho", serif;
  --serif-en:  "Cormorant Garamond", serif;
  --script:    "Parisienne", cursive;
  --container:  1140px;
  --ease: cubic-bezier(.22,.61,.36,1);
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: var(--serif-jp);
  color: var(--text);
  background: var(--bg);
  line-height: 1.95;
  font-size: 16.5px;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

img { display: block; max-width: 100%; }

a { color: inherit; text-decoration: none; }

.container { width: 100%; max-width: var(--container); margin: 0 auto; padding: 0 28px; }

/* ---------- shared type ---------- */
.label {
  font-family: var(--serif-en);
  color: var(--accent);
  letter-spacing: .28em;
  font-size: 14px;
  font-weight: 600;
  text-transform: uppercase;
  margin: 0 0 22px;
}

.heading-jp {
  font-family: var(--serif-jp);
  font-weight: 600;
  font-size: clamp(28px, 3.2vw, 38px);
  line-height: 1.7;
  letter-spacing: .06em;
  margin: 0 0 30px;
}

.section-head { text-align: center; margin-bottom: 54px; }
.section-title {
  font-family: var(--serif-en);
  font-weight: 500;
  letter-spacing: .3em;
  font-size: clamp(24px, 2.8vw, 32px);
  color: var(--text);
  margin: 0;
  text-transform: uppercase;
}
.section-rule {
  display: inline-block;
  width: 38px; height: 1px;
  background: var(--accent);
  margin-top: 20px;
}

/* =========================================================
   HEADER
   ========================================================= */
.header {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 50;
  transition: background .4s var(--ease), box-shadow .4s var(--ease), padding .4s var(--ease);
  padding: 12px 0;
}
.header.is-scrolled {
  background: rgba(247, 243, 237, .94);
  backdrop-filter: blur(6px);
  box-shadow: 0 1px 14px rgba(80, 60, 40, .07);
}
.header__inner {
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 40px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.logo { display: inline-flex; flex-direction: column; line-height: 1; }
.logo__script {
  font-family: var(--script);
  font-size: 33px;
  color: var(--text);
}
.logo__sub {
  font-family: var(--serif-en);
  font-size: 11px;
  letter-spacing: .42em;
  color: var(--muted-2);
  text-transform: uppercase;
  margin-top: 2px;
  padding-left: 4px;
}

.nav__list {
  display: flex;
  gap: 30px;
  list-style: none;
  margin: 0; padding: 0;
}
.nav__list a {
  font-family: var(--serif-en);
  font-size: 14.5px;
  letter-spacing: .18em;
  text-transform: uppercase;
  color: var(--text);
  position: relative;
  padding-bottom: 4px;
}
.nav__list a::after {
  content: "";
  position: absolute;
  left: 0; bottom: 0;
  width: 0; height: 1px;
  background: var(--accent);
  transition: width .35s var(--ease);
}
.nav__list a:hover { color: var(--accent); }
.nav__list a:hover::after { width: 100%; }

/* hamburger */
.hamburger {
  display: none;
  width: 34px; height: 26px;
  background: none; border: none;
  cursor: pointer; padding: 0;
  position: relative;
}
.hamburger span {
  position: absolute; left: 4px; right: 4px;
  height: 1.5px; background: var(--text);
  transition: transform .35s var(--ease), opacity .25s;
}
.hamburger span:nth-child(1) { top: 4px; }
.hamburger span:nth-child(2) { top: 12px; }
.hamburger span:nth-child(3) { top: 20px; }
.hamburger.is-open span:nth-child(1) { transform: translateY(8px) rotate(45deg); }
.hamburger.is-open span:nth-child(2) { opacity: 0; }
.hamburger.is-open span:nth-child(3) { transform: translateY(-8px) rotate(-45deg); }

/* =========================================================
   HERO
   ========================================================= */
.hero {
  position: relative;
  height: 100vh;
  min-height: 620px;
  overflow: hidden;
  display: flex;
  align-items: center;
}
.hero__bg { position: absolute; inset: 0; z-index: 0; }
.hero__bg img { width: 100%; height: 112%; object-fit: cover; will-change: transform; }
.hero::before {
  content: "";
  position: absolute; inset: 0; z-index: 1;
  background: linear-gradient(100deg, rgba(250,247,242,.78) 0%, rgba(250,247,242,.42) 32%, rgba(250,247,242,0) 60%);
}
.hero__copy {
  position: relative;
  z-index: 2;
  max-width: 1280px;
  width: 100%;
  margin: 0 auto;
  padding: 0 56px;
}
.hero__title {
  font-family: var(--serif-jp);
  font-weight: 600;
  font-size: clamp(40px, 5.6vw, 68px);
  line-height: 1.45;
  letter-spacing: .04em;
  margin: 0 0 30px;
  color: #2f2b25;
}
.hero__lead {
  font-size: clamp(15px, 1.6vw, 18px);
  line-height: 2.2;
  letter-spacing: .08em;
  color: #4a443c;
  margin: 0;
}
.hero__scroll {
  position: absolute;
  left: 30px; bottom: 0;
  z-index: 3;
  font-family: var(--serif-en);
  font-size: 12px;
  letter-spacing: .35em;
  color: var(--muted-2);
  writing-mode: vertical-rl;
  padding-bottom: 90px;
}
.hero__scroll::after {
  content: "";
  position: absolute;
  left: 50%; bottom: 0;
  width: 1px; height: 70px;
  background: var(--muted-2);
  animation: scrollline 2.2s var(--ease) infinite;
  transform-origin: top;
}
@keyframes scrollline {
  0%   { transform: scaleY(0); opacity: 0; }
  35%  { transform: scaleY(1); opacity: 1; }
  100% { transform: scaleY(1); opacity: 0; transform-origin: bottom; }
}

/* =========================================================
   ABOUT
   ========================================================= */
.about { padding: 120px 0; background: var(--bg); }
.about__inner {
  position: relative;
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 28px;
  display: grid;
  grid-template-columns: 1fr 1.04fr 0.92fr;
  align-items: start;
  gap: 0;
}
.about__text { padding-right: 46px; padding-top: 14px; }
.about__body { margin: 0 0 24px; font-size: 16px; color: var(--muted-2); letter-spacing: .04em; }
.about__sign {
  font-family: var(--serif-en);
  font-style: italic;
  font-size: 25px;
  color: var(--text);
  margin: 40px 0 0;
}
.about__sign span { font-size: 15px; letter-spacing: .06em; margin-right: 8px; }

.about__photo { position: relative; z-index: 1; }
.about__photo img {
  width: 100%;
  height: 540px;
  object-fit: cover;
}

.about__concept {
  position: relative;
  z-index: 2;
  background: var(--white);
  padding: 48px 40px;
  margin-left: -64px;
  margin-top: 70px;
  box-shadow: 0 24px 50px rgba(90, 65, 45, .10);
}
.concept__title {
  font-family: var(--serif-jp);
  font-weight: 600;
  font-size: 29px;
  line-height: 1.6;
  margin: 0 0 26px;
  letter-spacing: .04em;
}
.concept__body { margin: 0 0 20px; font-size: 15.5px; color: var(--muted-2); letter-spacing: .03em; }

/* =========================================================
   MENU
   ========================================================= */
.menu { padding: 110px 0 120px; background: var(--bg-soft); }
.menu__grid {
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 28px;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 34px;
}
.menu__item { text-align: center; }
.menu__en {
  display: block;
  font-family: var(--serif-en);
  color: var(--accent);
  letter-spacing: .22em;
  font-size: 14px;
  font-weight: 600;
  text-transform: uppercase;
}
.menu__jp { display: block; font-size: 12px; color: var(--muted); letter-spacing: .14em; margin-top: 5px; }
.menu__img {
  margin: 20px 0 22px;
  aspect-ratio: 1 / 1;
  overflow: hidden;
  background: #ece5da;
  border-radius: 2px;
}
.menu__img img {
  width: 100%; height: 100%;
  object-fit: cover;
  transition: transform 1.1s var(--ease);
}
.menu__item:hover .menu__img img { transform: scale(1.06); }
.menu__name { font-size: 16px; letter-spacing: .04em; margin: 0 0 6px; }
.menu__price { font-family: var(--serif-en); font-size: 23px; letter-spacing: .05em; margin: 0; color: var(--text); }

.menu__btn-wrap { text-align: center; margin-top: 64px; }
.btn-outline {
  display: inline-flex;
  align-items: center;
  gap: 16px;
  border: 1px solid #cbbfae;
  background: var(--white);
  padding: 20px 70px;
  font-family: var(--serif-en);
  letter-spacing: .22em;
  font-size: 14.5px;
  text-transform: uppercase;
  color: var(--text);
  transition: background .35s var(--ease), color .35s var(--ease), border-color .35s var(--ease);
}
.btn-outline .arrow { color: var(--accent); transition: transform .35s var(--ease); }
.btn-outline:hover { background: var(--accent); color: #fff; border-color: var(--accent); }
.btn-outline:hover .arrow { color: #fff; transform: translateX(6px); }

/* =========================================================
   INGREDIENTS
   ========================================================= */
.ingredients { padding: 110px 0; background: var(--bg); }
.ingredients__inner {
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 28px;
  display: grid;
  grid-template-columns: 0.82fr 1.18fr;
  gap: 60px;
  align-items: center;
}
.ingredients__body { margin: 0 0 22px; font-size: 16px; color: var(--muted-2); letter-spacing: .04em; }
.ingredients__photo { overflow: hidden; border-radius: 2px; }
.ingredients__photo img { width: 100%; height: 430px; object-fit: cover; will-change: transform; }

/* =========================================================
   INFORMATION
   ========================================================= */
.information { padding: 0 0 110px; background: var(--bg); }
.information__card {
  max-width: var(--container);
  margin: 0 auto;
  background: var(--white);
  padding: 70px 70px 76px;
  box-shadow: 0 20px 50px rgba(90, 65, 45, .06);
}
.information__body {
  display: grid;
  grid-template-columns: 0.92fr 1.08fr;
  gap: 56px;
  align-items: center;
}
.info-list { margin: 0; padding: 0; }
.info-row {
  display: grid;
  grid-template-columns: 130px 1fr;
  gap: 14px;
  padding: 16px 0;
  border-bottom: 1px solid var(--line);
  align-items: start;
}
.info-row:first-child { padding-top: 0; }
.info-row dt {
  font-size: 15px;
  letter-spacing: .1em;
  color: var(--text);
}
.info-row dd { margin: 0; font-size: 15px; color: var(--muted-2); letter-spacing: .03em; line-height: 1.8; }

.information__visual { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
.information__photo img,
.information__map iframe { width: 100%; height: 250px; object-fit: cover; display: block; }
.information__map iframe { border: 0; border-radius: 2px; filter: grayscale(.25) contrast(.95); }
.information__photo img { border-radius: 2px; }

/* =========================================================
   RESERVATION
   ========================================================= */
.reservation { padding: 104px 0 110px; background: var(--bg); text-align: center; }
.reservation__inner { max-width: 760px; margin: 0 auto; padding: 0 28px; }
.reservation__lead { font-size: 17px; letter-spacing: .06em; color: var(--muted-2); margin: 0 0 38px; }
.reservation__btns {
  display: flex;
  justify-content: center;
  gap: 22px;
  flex-wrap: wrap;
}
.btn-res {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
  min-width: 300px;
  padding: 23px 24px;
  font-size: 17px;
  letter-spacing: .06em;
  transition: all .35s var(--ease);
}
.btn-res--phone {
  background: var(--white);
  border: 1px solid #d8cdbd;
  color: var(--accent);
  font-family: var(--serif-en);
  font-size: 22px;
  letter-spacing: .08em;
}
.btn-res--phone:hover { border-color: var(--accent); }
.btn-res--net {
  background: var(--accent);
  color: #fff;
  border: 1px solid var(--accent);
}
.btn-res--net:hover { background: var(--accent-dk); border-color: var(--accent-dk); }
.reservation__note { font-size: 13.5px; color: var(--muted); letter-spacing: .04em; margin: 32px 0 0; }

/* =========================================================
   FOOTER
   ========================================================= */
.footer { background: var(--bg-soft); padding-top: 56px; }
.footer__inner {
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 28px;
  display: grid;
  grid-template-columns: 0.8fr 1.2fr;
  gap: 50px;
  align-items: center;
}
.logo--footer .logo__script { font-size: 34px; }
.footer__addr { font-size: 13.5px; color: var(--muted-2); letter-spacing: .04em; margin: 18px 0 20px; }
.footer__social { display: flex; gap: 14px; list-style: none; margin: 0; padding: 0; }
.footer__social a {
  width: 34px; height: 34px;
  border: 1px solid #d8cdbd;
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  color: var(--muted-2);
  transition: all .3s var(--ease);
}
.footer__social a:hover { background: var(--accent); border-color: var(--accent); color: #fff; }
.social-y { font-family: var(--serif-en); font-weight: 600; font-size: 15px; }
.footer__map iframe { width: 100%; height: 200px; display: block; border: 0; border-radius: 2px; filter: grayscale(.25) contrast(.95); }

.footer__bottom {
  margin-top: 50px;
  border-top: 1px solid var(--line);
  padding: 22px 40px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  max-width: 1280px;
  margin-left: auto; margin-right: auto;
}
.copyright { font-size: 12.5px; color: var(--muted); letter-spacing: .08em; margin: 0; }
.footer__privacy { font-family: var(--serif-en); font-size: 12.5px; letter-spacing: .2em; color: var(--muted-2); text-transform: uppercase; }
.footer__privacy:hover { color: var(--accent); }

/* =========================================================
   SCROLL REVEAL
   ========================================================= */
.reveal {
  opacity: 0;
  transform: translateY(30px);
}
/* fallback (no-GSAP) reveal — GSAP path never adds .is-visible */
.reveal.is-visible {
  opacity: 1;
  transform: none;
  transition: opacity .9s var(--ease), transform .9s var(--ease);
}

/* =========================================================
   RESPONSIVE
   ========================================================= */
@media (max-width: 980px) {
  .nav { display: none; }
  .hamburger { display: block; }

  /* slide-down mobile nav */
  .nav.is-open {
    display: block;
    position: fixed;
    top: 0; left: 0; right: 0;
    background: rgba(247, 243, 237, .98);
    backdrop-filter: blur(8px);
    padding: 96px 0 40px;
    box-shadow: 0 14px 30px rgba(80, 60, 40, .12);
  }
  .nav.is-open .nav__list { flex-direction: column; align-items: center; gap: 26px; }
  .nav.is-open .nav__list a { font-size: 15px; }

  .about__inner { grid-template-columns: 1fr; gap: 0; }
  .about__text { padding-right: 0; }
  .about__photo { margin-top: 44px; }
  .about__photo img { height: 60vw; max-height: 460px; }
  .about__concept { margin-left: 0; margin-top: -40px; margin-right: 0; max-width: 460px; }

  .ingredients__inner { grid-template-columns: 1fr; gap: 36px; }
  .ingredients__photo img { height: 56vw; max-height: 420px; }

  .information__card { padding: 50px 32px 56px; }
  .information__body { grid-template-columns: 1fr; gap: 38px; }

  .footer__inner { grid-template-columns: 1fr; gap: 34px; }
}

@media (max-width: 680px) {
  .header__inner { padding: 0 22px; }
  .hero__copy { padding: 0 26px; }
  .hero__scroll { left: 16px; }

  .menu__grid { grid-template-columns: repeat(2, 1fr); gap: 26px 22px; }

  .information__visual { grid-template-columns: 1fr; }
  .information__photo img, .information__map iframe { height: 220px; }

  .info-row { grid-template-columns: 1fr; gap: 4px; }

  .btn-res { min-width: 100%; }
  .btn-outline { padding: 18px 44px; }

  .footer__bottom { flex-direction: column; gap: 12px; padding: 22px; text-align: center; }
}

@media (max-width: 400px) {
  .menu__grid { grid-template-columns: 1fr; }
}