/* main.css — E-roozgar | carbon-fiber motorsport identity, BEM, theme via CSS vars */

/* ============ THEME TOKENS ============ */
/* Light palette */
:root{
  --bg:#fafafa; --bg-alt:#f0f0f0; --surface:#ffffff; --text:#111111;
  --muted:#555555; --border:#e5e5e5; --header:rgba(250,250,250,.88);
  --accent:#e11d2a; --accent2:#ff9500; --accent-contrast:#ffffff;
  --carbon:
    repeating-linear-gradient(45deg, rgba(0,0,0,.025) 0 2px, transparent 2px 4px),
    repeating-linear-gradient(-45deg, rgba(0,0,0,.025) 0 2px, transparent 2px 4px);
  --shadow:0 10px 34px rgba(0,0,0,.10);
  --maxw:1240px; --radius:4px; --ease:cubic-bezier(.22,.61,.36,1);
  --mono:"SFMono-Regular",ui-monospace,"JetBrains Mono",Menlo,Consolas,monospace;
}
/* Dark palette — DARK-FIRST default look */
[data-theme="dark"]{
  --bg:#0a0a0a; --bg-alt:#101010; --surface:#141414; --text:#f5f5f5;
  --muted:#9a9a9a; --border:#262626; --header:rgba(10,10,10,.82);
  --accent:#ff3b30; --accent2:#ff9500; --accent-contrast:#ffffff;
  --carbon:
    repeating-linear-gradient(45deg, rgba(255,255,255,.022) 0 2px, transparent 2px 4px),
    repeating-linear-gradient(-45deg, rgba(255,255,255,.022) 0 2px, transparent 2px 4px);
  --shadow:0 12px 40px rgba(0,0,0,.6);
}

/* ============ BASE ============ */
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{
  font-family:"Hiragino Kaku Gothic ProN","Yu Gothic","Noto Sans JP",system-ui,sans-serif;
  background:var(--bg);color:var(--text);line-height:1.7;
  transition:background .4s var(--ease),color .4s var(--ease);
  overflow-x:hidden;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}

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

.section{padding:96px 0;position:relative}
/* speed-skewed alt dividers */
.section--alt{
  background:var(--bg-alt);background-image:var(--carbon);
  position:relative;
  clip-path:polygon(0 2.2vw, 100% 0, 100% calc(100% - 2.2vw), 0 100%);
  margin:2.2vw 0;
}
.section--alt::before{
  content:"";position:absolute;left:0;top:2.2vw;width:120px;height:3px;
  background:linear-gradient(90deg,var(--accent),var(--accent2));
}

.section__head{max-width:760px;margin:0 auto 56px;text-align:center}
.section__title{
  font-size:clamp(1.7rem,4vw,2.7rem);font-weight:900;line-height:1.05;
  letter-spacing:.04em;text-transform:uppercase;margin-bottom:16px;
}
.section__title::after{
  content:"";display:block;width:54px;height:3px;margin:16px auto 0;
  background:var(--accent);
}
.section__lead{color:var(--muted);font-size:1.02rem}
.accent{color:var(--accent)}

/* ============ HEADER ============ */
.header{
  position:sticky;top:0;z-index:50;background:var(--header);
  backdrop-filter:saturate(160%) blur(14px);
  border-bottom:1px solid var(--border);
  box-shadow:0 1px 0 rgba(255,59,48,.18);
}
.header__inner{display:flex;align-items:center;justify-content:space-between;height:72px}
.logo{display:flex;align-items:center;gap:12px;font-weight:900;
  letter-spacing:.14em;text-transform:uppercase;font-size:1.02rem}
.logo__mark{
  width:36px;height:36px;border-radius:var(--radius);
  background:linear-gradient(135deg,var(--accent),var(--accent2));
  display:grid;place-items:center;color:#fff;font-weight:900;
  font-family:var(--mono);box-shadow:0 0 18px rgba(255,59,48,.45);
  transform:skewX(-6deg);
}
.nav{display:flex;align-items:center;gap:8px}
.nav__list{display:flex;gap:2px;list-style:none}
.nav__link{
  position:relative;padding:9px 15px;font-size:.82rem;font-weight:700;
  letter-spacing:.12em;text-transform:uppercase;color:var(--muted);
  transition:color .25s var(--ease);
}
.nav__link::after{
  content:"";position:absolute;left:15px;right:15px;bottom:4px;height:2px;
  background:var(--accent);transform:scaleX(0);transform-origin:left;
  transition:transform .3s var(--ease);
}
.nav__link:hover{color:var(--text)}
.nav__link:hover::after{transform:scaleX(1)}
.nav__link--active{color:var(--text)}
.nav__link--active::after{transform:scaleX(1)}

.tools{display:flex;align-items:center;gap:8px;margin-left:10px}
.toggle{
  border:1px solid var(--border);background:var(--surface);color:var(--text);
  height:38px;padding:0 13px;border-radius:var(--radius);cursor:pointer;
  font-family:var(--mono);font-size:.74rem;font-weight:600;letter-spacing:.08em;
  text-transform:uppercase;display:inline-flex;align-items:center;gap:6px;
  transition:border-color .25s,color .2s,transform .15s,background .2s;
}
.toggle:hover{border-color:var(--accent);color:var(--accent);transform:translateY(-1px)}

.burger{display:none;flex-direction:column;gap:5px;background:none;border:0;
  cursor:pointer;padding:8px}
.burger__bar{width:26px;height:2px;background:var(--text);transition:.3s var(--ease)}

/* ============ HERO ============ */
.hero{
  position:relative;min-height:84vh;display:grid;align-items:center;
  color:#fff;overflow:hidden;text-align:center;
  border-top:4px solid var(--accent);
}
.hero__bg{position:absolute;inset:0;background-size:cover;background-position:center;
  transform:scale(1.1);will-change:transform;filter:grayscale(.25) contrast(1.08)}
.hero__overlay{position:absolute;inset:0;
  background:
    radial-gradient(120% 90% at 50% 0%, rgba(255,59,48,.18), transparent 55%),
    linear-gradient(180deg, rgba(10,10,10,.55) 0%, rgba(10,10,10,.78) 60%, rgba(10,10,10,.95) 100%);
}
.hero__inner{position:relative;max-width:920px;margin:0 auto;text-align:center}
.hero__eyebrow{
  display:inline-block;letter-spacing:.34em;text-transform:uppercase;
  font-family:var(--mono);font-size:.7rem;font-weight:700;color:#fff;
  background:var(--accent);padding:7px 16px;border-radius:2px;margin-bottom:26px;
  box-shadow:0 0 22px rgba(255,59,48,.5);
}
.hero__title{
  font-size:clamp(2.4rem,7vw,5rem);font-weight:900;line-height:1.02;
  letter-spacing:.01em;text-transform:uppercase;margin-bottom:22px;
  text-shadow:0 4px 40px rgba(0,0,0,.5);
}
.hero__subtitle{
  font-size:clamp(1rem,2vw,1.22rem);color:#d8d8d8;max-width:640px;
  margin:0 auto;
}
.hero__cta{margin-top:36px;display:flex;gap:16px;flex-wrap:wrap;justify-content:center}

/* ============ BUTTONS ============ */
.btn{
  display:inline-flex;align-items:center;gap:8px;padding:14px 30px;
  border-radius:var(--radius);font-weight:800;cursor:pointer;
  font-family:var(--mono);font-size:.82rem;letter-spacing:.12em;text-transform:uppercase;
  border:1px solid transparent;transition:.25s var(--ease);
  clip-path:polygon(8px 0,100% 0,100% calc(100% - 8px),calc(100% - 8px) 100%,0 100%,0 8px);
}
.btn--primary{background:var(--accent);color:var(--accent-contrast);
  box-shadow:0 0 0 rgba(255,59,48,0)}
.btn--primary:hover{transform:translateY(-2px);box-shadow:0 8px 26px rgba(255,59,48,.45)}
.btn--ghost{border-color:rgba(255,255,255,.55);color:#fff}
.btn--ghost:hover{background:rgba(255,255,255,.12);border-color:#fff}

/* ============ ABOUT ============ */
.about__grid{display:grid;grid-template-columns:1.1fr .9fr;gap:56px;align-items:center}
.about__title{
  font-size:clamp(1.7rem,3.6vw,2.5rem);font-weight:900;line-height:1.08;
  letter-spacing:.03em;text-transform:uppercase;margin-bottom:22px;
}
.about__title::after{content:"";display:block;width:54px;height:3px;margin-top:16px;background:var(--accent)}
.about__text{color:var(--muted);margin-bottom:16px}
.about__img{
  border-radius:var(--radius);box-shadow:var(--shadow);aspect-ratio:4/3;
  object-fit:cover;width:100%;filter:grayscale(.15) contrast(1.05);
  border:1px solid var(--border);
  clip-path:polygon(0 0,100% 0,100% calc(100% - 26px),calc(100% - 26px) 100%,0 100%);
}

/* ============ CARDS → numbered horizontal rows ============ */
.cards{counter-reset:svc;display:flex;flex-direction:column;gap:0}
.card{
  counter-increment:svc;position:relative;
  display:grid;grid-template-columns:auto 1fr auto;align-items:center;gap:34px;
  background:var(--surface);background-image:var(--carbon);
  border:1px solid var(--border);border-left:4px solid var(--accent);
  border-radius:var(--radius);padding:30px 34px;margin-bottom:18px;
  overflow:hidden;transition:transform .3s var(--ease),box-shadow .3s,border-color .3s;
}
.card:hover{transform:translateX(8px);box-shadow:var(--shadow);border-left-color:var(--accent2)}
.card::before{
  content:counter(svc,decimal-leading-zero);
  font-family:var(--mono);font-weight:800;font-size:clamp(2.4rem,5vw,3.6rem);
  line-height:1;color:transparent;-webkit-text-stroke:1.5px var(--accent);
  letter-spacing:.02em;min-width:1.8em;
}
.card__body{padding:0;min-width:0;grid-column:2}
.card__title{
  font-size:clamp(1.15rem,2.4vw,1.5rem);font-weight:800;letter-spacing:.04em;
  text-transform:uppercase;margin-bottom:8px;
}
.card__text{color:var(--muted);font-size:.98rem}
.card__img{
  width:200px;height:128px;object-fit:cover;border-radius:var(--radius);
  filter:grayscale(.2) contrast(1.05);border:1px solid var(--border);
  transition:filter .3s;grid-column:3;
}
.card:hover .card__img{filter:grayscale(0) contrast(1.08)}

/* ============ GALLERY — dense grid, red hover overlay + zoom ============ */
.gallery{display:grid;grid-template-columns:repeat(4,1fr);gap:8px}
.gallery__item{
  position:relative;overflow:hidden;border-radius:var(--radius);aspect-ratio:1;
  border:1px solid var(--border);
}
.gallery__item::after{
  content:"";position:absolute;inset:0;z-index:1;
  background:linear-gradient(135deg,rgba(255,59,48,.55),rgba(255,149,0,.35));
  opacity:0;transition:opacity .35s var(--ease);
}
.gallery__item:hover::after{opacity:1}
.gallery__img{width:100%;height:100%;object-fit:cover;
  filter:grayscale(.3);transition:transform .6s var(--ease),filter .35s}
.gallery__item:hover .gallery__img{transform:scale(1.12);filter:grayscale(0)}

/* ============ TIMELINE ============ */
.timeline{max-width:780px;margin:0 auto;position:relative;padding-left:30px}
.timeline::before{content:"";position:absolute;left:6px;top:6px;bottom:6px;width:2px;
  background:linear-gradient(180deg,var(--accent),var(--accent2))}
.timeline__item{position:relative;padding:0 0 36px 28px}
.timeline__item::before{content:"";position:absolute;left:-4px;top:6px;width:14px;height:14px;
  background:var(--accent);box-shadow:0 0 0 4px var(--bg),0 0 14px rgba(255,59,48,.6);
  transform:rotate(45deg)}
.timeline__year{font-family:var(--mono);font-weight:800;letter-spacing:.06em;color:var(--accent)}
.timeline__text{color:var(--muted)}

/* ============ CONTACT / FORM ============ */
.contact{display:grid;grid-template-columns:1fr 1fr;gap:56px}
.field{margin-bottom:20px}
.field__label{display:block;font-family:var(--mono);font-size:.74rem;font-weight:600;
  letter-spacing:.1em;text-transform:uppercase;margin-bottom:8px;color:var(--muted)}
.field__input,.field__area{
  width:100%;padding:14px 16px;border:1px solid var(--border);
  border-radius:var(--radius);background:var(--bg-alt);color:var(--text);font:inherit;
  transition:border-color .2s,box-shadow .2s,background .2s;
}
.field__input:focus,.field__area:focus{
  outline:none;border-color:var(--accent);background:var(--surface);
  box-shadow:0 0 0 3px rgba(255,59,48,.18)}
.field__area{min-height:150px;resize:vertical}
.info__row{display:flex;gap:14px;padding:16px 0;border-bottom:1px solid var(--border)}
.info__label{min-width:96px;font-family:var(--mono);font-size:.78rem;font-weight:600;
  letter-spacing:.08em;text-transform:uppercase;color:var(--accent)}
.form__note{font-size:.85rem;color:var(--muted);margin-top:12px}
.form__status{margin-top:16px;font-family:var(--mono);font-weight:700;letter-spacing:.06em;
  color:var(--accent);min-height:1.2em}

/* ============ LEGAL ============ */
.legal{max-width:840px;margin:0 auto}
.legal h2{margin:34px 0 12px;font-size:1.3rem;font-weight:800;letter-spacing:.03em;
  text-transform:uppercase}
.legal p,.legal li{color:var(--muted);margin-bottom:10px}
.legal ul{padding-left:22px}

/* ============ FOOTER ============ */
.footer{
  background:var(--bg-alt);background-image:var(--carbon);
  border-top:1px solid var(--border);padding:64px 0 30px;position:relative;
}
.footer::before{content:"";position:absolute;left:0;top:0;width:100%;height:3px;
  background:linear-gradient(90deg,var(--accent),var(--accent2))}
.footer__grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:36px}
.footer__title{font-weight:800;letter-spacing:.1em;text-transform:uppercase;
  font-size:.86rem;margin-bottom:16px}
.footer__text{color:var(--muted);font-size:.92rem;max-width:320px}
.footer__list{list-style:none;display:grid;gap:9px}
.footer__link{color:var(--muted);font-size:.9rem;transition:color .2s,padding-left .2s}
a.footer__link:hover{color:var(--accent);padding-left:5px}
.footer__bottom{display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap;
  gap:14px;margin-top:46px;padding-top:24px;border-top:1px solid var(--border);
  color:var(--muted);font-family:var(--mono);font-size:.78rem;letter-spacing:.06em}
.footer__tools{display:flex;gap:8px}

/* ============ COOKIE BANNER ============ */
.cookie{
  position:fixed;left:18px;right:18px;bottom:18px;z-index:80;max-width:580px;
  margin:0 auto;background:var(--surface);background-image:var(--carbon);
  border:1px solid var(--border);border-left:4px solid var(--accent);
  border-radius:var(--radius);box-shadow:var(--shadow);padding:22px 24px;
  transform:translateY(160%);transition:transform .5s var(--ease);
}
.cookie--show{transform:translateY(0)}
.cookie__text{font-size:.9rem;color:var(--muted);margin-bottom:16px}
.cookie__actions{display:flex;gap:10px;flex-wrap:wrap}

/* ============ REVEAL ============ */
[data-reveal]{opacity:0;transform:translateY(28px);
  transition:opacity .7s var(--ease),transform .7s var(--ease)}
[data-reveal].is-visible{opacity:1;transform:none}

/* ============ RESPONSIVE ============ */
@media(max-width:980px){
  .about__grid,.contact{grid-template-columns:1fr;gap:34px}
  .gallery{grid-template-columns:repeat(3,1fr)}
  .footer__grid{grid-template-columns:1fr 1fr}
}
@media(max-width:760px){
  .nav__list{position:fixed;inset:72px 0 auto 0;flex-direction:column;
    background:var(--bg);border-bottom:1px solid var(--border);padding:16px 28px;gap:4px;
    transform:translateY(-140%);transition:transform .35s var(--ease);box-shadow:var(--shadow)}
  .nav--open .nav__list{transform:translateY(0)}
  .nav__link{padding:12px 8px}
  .nav__link::after{left:8px;right:auto;width:24px}
  .burger{display:flex}
  .nav--open .burger__bar:nth-child(1){transform:translateY(7px) rotate(45deg)}
  .nav--open .burger__bar:nth-child(2){opacity:0}
  .nav--open .burger__bar:nth-child(3){transform:translateY(-7px) rotate(-45deg)}
  .gallery{grid-template-columns:repeat(2,1fr)}
  .footer__grid{grid-template-columns:1fr}
  .section{padding:64px 0}
  .section--alt{clip-path:none;margin:0}
  .section--alt::before{top:0}
  /* stack service rows */
  .card{grid-template-columns:1fr;gap:14px;padding:26px}
  .card::before{font-size:2.6rem}
  .card:hover{transform:none}
  .card__body,.card__img{grid-column:auto}
  .card__img{width:100%;height:180px}
}
@media(max-width:460px){.gallery{grid-template-columns:1fr 1fr}}