/* ============================================================
   MATERIALJP MANAGEMENT CONSULTANCIES L.L.C
   Luxury corporate — Black × Gold × Purple
   ============================================================ */

:root {
  --black: #07060a;
  --black-2: #0d0b12;
  --black-3: #14111c;
  --gold: #c9a14a;
  --gold-light: #f0d48a;
  --gold-dim: rgba(201, 161, 74, 0.35);
  --purple: #6b2fa0;
  --purple-deep: #2a1140;
  --purple-glow: rgba(107, 47, 160, 0.25);
  --text: #e9e4d8;
  --text-dim: #9a93a6;
  --serif: "Marcellus", "Noto Serif JP", serif;
  --serif-jp: "Noto Serif JP", serif;
  --sans: "Inter", "Noto Sans JP", sans-serif;
  --ease: cubic-bezier(0.22, 1, 0.36, 1);
}

* { margin: 0; padding: 0; box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  background: var(--black);
  color: var(--text);
  font-family: var(--sans);
  font-weight: 300;
  line-height: 1.8;
  letter-spacing: 0.02em;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

body.lang-jp { font-family: var(--sans); }
body.lang-jp h1, body.lang-jp h2, body.lang-jp h3, body.lang-jp .serif { font-family: var(--serif-jp); font-weight: 500; }

h1, h2, h3, h4, .serif { font-family: var(--serif); font-weight: 400; color: #fff; }

img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
ul { list-style: none; }

::selection { background: var(--purple); color: #fff; }

/* ---------- Preloader ---------- */
#preloader {
  position: fixed; inset: 0; z-index: 9999;
  background: var(--black);
  display: flex; align-items: center; justify-content: center;
  flex-direction: column; gap: 24px;
  transition: opacity 0.9s var(--ease), visibility 0.9s;
}
#preloader.done { opacity: 0; visibility: hidden; }
.preloader-logo {
  font-family: var(--serif); font-size: clamp(1.4rem, 3vw, 2.2rem);
  letter-spacing: 0.35em; color: var(--gold-light);
  opacity: 0; animation: fadeUp 1.2s var(--ease) 0.2s forwards;
}
.preloader-bar {
  width: 160px; height: 1px; background: rgba(255,255,255,0.12);
  overflow: hidden; position: relative;
}
.preloader-bar::after {
  content: ""; position: absolute; inset: 0;
  background: linear-gradient(90deg, transparent, var(--gold), transparent);
  animation: loadbar 1.4s ease-in-out infinite;
}
@keyframes loadbar { 0% { transform: translateX(-100%);} 100% { transform: translateX(100%);} }
@keyframes fadeUp { from { opacity: 0; transform: translateY(16px);} to { opacity: 1; transform: translateY(0);} }

/* ---------- Grain & ambient ---------- */
.grain {
  position: fixed; inset: -50%; z-index: 2; pointer-events: none; opacity: 0.05;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='200' height='200'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='2'/%3E%3C/filter%3E%3Crect width='200' height='200' filter='url(%23n)' opacity='0.6'/%3E%3C/svg%3E");
  animation: grain 8s steps(10) infinite;
}
@keyframes grain {
  0%,100% { transform: translate(0,0);} 10% { transform: translate(-5%,-10%);} 20% { transform: translate(-15%,5%);} 30% { transform: translate(7%,-25%);} 40% { transform: translate(-5%,25%);} 50% { transform: translate(-15%,10%);} 60% { transform: translate(15%,0%);} 70% { transform: translate(0%,15%);} 80% { transform: translate(3%,35%);} 90% { transform: translate(-10%,10%);}
}

.ambient-orb {
  position: fixed; border-radius: 50%; filter: blur(120px); z-index: 0; pointer-events: none;
}
.orb-purple { width: 60vw; height: 60vw; background: var(--purple-glow); top: -20vw; right: -20vw; }
.orb-gold { width: 40vw; height: 40vw; background: rgba(201,161,74,0.08); bottom: -10vw; left: -15vw; }

/* ---------- Nav ---------- */
.nav {
  position: fixed; top: 0; left: 0; right: 0; z-index: 100;
  display: flex; align-items: center; justify-content: space-between;
  padding: 28px clamp(24px, 5vw, 72px);
  transition: background 0.5s, padding 0.5s, border 0.5s;
  border-bottom: 1px solid transparent;
}
.nav.scrolled {
  background: rgba(7, 6, 10, 0.82);
  backdrop-filter: blur(18px);
  -webkit-backdrop-filter: blur(18px);
  padding: 16px clamp(24px, 5vw, 72px);
  border-bottom: 1px solid rgba(201,161,74,0.15);
}
.nav-logo { display: flex; flex-direction: column; line-height: 1.3; z-index: 102; }
.nav-logo .logo-main {
  font-family: var(--serif); font-size: 1.15rem; letter-spacing: 0.28em; color: var(--gold-light);
}
.nav-logo .logo-sub {
  font-size: 0.55rem; letter-spacing: 0.38em; color: var(--text-dim); text-transform: uppercase;
}
.nav-links { display: flex; gap: clamp(20px, 3vw, 44px); align-items: center; }
.nav-links a {
  font-size: 0.72rem; letter-spacing: 0.24em; text-transform: uppercase; color: var(--text-dim);
  position: relative; padding: 6px 0; transition: color 0.4s;
}
.nav-links a::after {
  content: ""; position: absolute; left: 0; bottom: 0; height: 1px; width: 0;
  background: linear-gradient(90deg, var(--gold), var(--gold-light));
  transition: width 0.45s var(--ease);
}
.nav-links a:hover, .nav-links a.active { color: var(--gold-light); }
.nav-links a:hover::after, .nav-links a.active::after { width: 100%; }

.lang-toggle {
  display: flex; border: 1px solid rgba(201,161,74,0.4); border-radius: 2px; overflow: hidden;
}
.lang-toggle button {
  background: transparent; border: none; color: var(--text-dim);
  font-family: var(--sans); font-size: 0.65rem; letter-spacing: 0.15em;
  padding: 7px 13px; cursor: pointer; transition: all 0.35s;
}
.lang-toggle button.on { background: var(--gold); color: var(--black); font-weight: 600; }

/* Mobile nav */
.nav-burger { display: none; background: none; border: none; cursor: pointer; z-index: 102; width: 30px; height: 22px; position: relative; }
.nav-burger span {
  position: absolute; left: 0; width: 100%; height: 1px; background: var(--gold-light); transition: all 0.4s var(--ease);
}
.nav-burger span:nth-child(1) { top: 0; }
.nav-burger span:nth-child(2) { top: 10px; }
.nav-burger span:nth-child(3) { top: 20px; }
.nav-burger.open span:nth-child(1) { top: 10px; transform: rotate(45deg); }
.nav-burger.open span:nth-child(2) { opacity: 0; }
.nav-burger.open span:nth-child(3) { top: 10px; transform: rotate(-45deg); }

@media (max-width: 880px) {
  .nav-burger { display: block; }
  .nav-menu {
    position: fixed; inset: 0; background: rgba(7,6,10,0.97);
    backdrop-filter: blur(20px);
    display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 36px;
    opacity: 0; visibility: hidden; transition: all 0.5s var(--ease); z-index: 101;
  }
  .nav-menu.open { opacity: 1; visibility: visible; }
  .nav-links { flex-direction: column; gap: 28px; }
  .nav-links a { font-size: 1rem; }
}
@media (min-width: 881px) {
  .nav-menu { display: flex; align-items: center; gap: 44px; }
}

/* ---------- Hero ---------- */
.hero {
  position: relative; min-height: 100vh;
  display: flex; align-items: center; justify-content: center;
  overflow: hidden; text-align: center;
}
.hero-bg {
  position: absolute; inset: -12% 0; z-index: 0;
  background-size: cover; background-position: center;
  will-change: transform;
}
.hero-bg::after {
  content: ""; position: absolute; inset: 0;
  background:
    radial-gradient(ellipse at center, rgba(7,6,10,0.15) 0%, rgba(7,6,10,0.78) 90%),
    linear-gradient(180deg, rgba(7,6,10,0.55) 0%, rgba(7,6,10,0.25) 40%, var(--black) 98%);
}
.hero-inner { position: relative; z-index: 3; padding: 0 24px; max-width: 1100px; }
.hero-eyebrow {
  font-size: 0.7rem; letter-spacing: 0.5em; text-transform: uppercase;
  color: var(--gold); margin-bottom: 28px;
  display: inline-flex; align-items: center; gap: 16px;
}
.hero-eyebrow::before, .hero-eyebrow::after {
  content: ""; width: 40px; height: 1px; background: var(--gold-dim);
}
.hero h1 {
  font-size: clamp(2.4rem, 6.5vw, 5.2rem);
  line-height: 1.15; letter-spacing: 0.04em; margin-bottom: 30px;
}
.hero h1 .gold-text {
  background: linear-gradient(110deg, #b08a3e 10%, var(--gold-light) 45%, #fff3cf 50%, var(--gold-light) 55%, #b08a3e 90%);
  background-size: 200% auto;
  -webkit-background-clip: text; background-clip: text; color: transparent;
  animation: shine 6s linear infinite;
}
@keyframes shine { to { background-position: 200% center; } }
.hero-sub {
  max-width: 640px; margin: 0 auto 48px; color: var(--text-dim);
  font-size: clamp(0.9rem, 1.4vw, 1.05rem); font-weight: 300;
}
.hero-scroll {
  position: absolute; bottom: 42px; left: 50%; transform: translateX(-50%); z-index: 3;
  font-size: 0.6rem; letter-spacing: 0.4em; text-transform: uppercase; color: var(--text-dim);
  display: flex; flex-direction: column; align-items: center; gap: 14px;
}
.hero-scroll::after {
  content: ""; width: 1px; height: 56px;
  background: linear-gradient(180deg, var(--gold), transparent);
  animation: scrollPulse 2.2s var(--ease) infinite;
}
@keyframes scrollPulse { 0% { transform: scaleY(0); transform-origin: top; } 50% { transform: scaleY(1); transform-origin: top;} 51% { transform-origin: bottom;} 100% { transform: scaleY(0); transform-origin: bottom;} }

/* Page hero (sub pages) */
.page-hero { min-height: 72vh; }
.page-hero h1 { font-size: clamp(2.2rem, 5vw, 4rem); }

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex; align-items: center; gap: 14px;
  padding: 16px 42px; position: relative; overflow: hidden;
  border: 1px solid var(--gold); color: var(--gold-light);
  font-size: 0.72rem; letter-spacing: 0.3em; text-transform: uppercase;
  background: transparent; cursor: pointer; transition: color 0.5s var(--ease);
  isolation: isolate;
}
.btn::before {
  content: ""; position: absolute; inset: 0; z-index: -1;
  background: linear-gradient(110deg, var(--gold), var(--gold-light));
  transform: scaleX(0); transform-origin: left;
  transition: transform 0.55s var(--ease);
}
.btn:hover { color: var(--black); }
.btn:hover::before { transform: scaleX(1); }
.btn .arrow { transition: transform 0.4s var(--ease); }
.btn:hover .arrow { transform: translateX(6px); }

/* ---------- Layout ---------- */
.section { position: relative; padding: clamp(90px, 12vw, 170px) clamp(24px, 6vw, 80px); z-index: 3; }
.container { max-width: 1280px; margin: 0 auto; position: relative; }
.section-label {
  font-size: 0.66rem; letter-spacing: 0.45em; text-transform: uppercase; color: var(--gold);
  display: flex; align-items: center; gap: 18px; margin-bottom: 26px;
}
.section-label::before { content: ""; width: 48px; height: 1px; background: var(--gold-dim); }
.section-title { font-size: clamp(1.9rem, 4vw, 3.2rem); line-height: 1.25; margin-bottom: 28px; letter-spacing: 0.03em; }
.section-lead { color: var(--text-dim); max-width: 620px; font-size: 0.97rem; }

.grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: clamp(40px, 6vw, 100px); align-items: center; }
@media (max-width: 880px) { .grid-2 { grid-template-columns: 1fr; } }

/* ---------- Image frames & parallax ---------- */
.img-frame {
  position: relative; overflow: hidden; border-radius: 2px;
}
.img-frame::after {
  content: ""; position: absolute; inset: 0;
  box-shadow: inset 0 0 0 1px rgba(201,161,74,0.25);
  pointer-events: none;
}
.img-frame img {
  width: 100%; height: 100%; object-fit: cover;
  transform: scale(1.15); will-change: transform;
  transition: transform 1.2s var(--ease);
}
.img-frame .img-caption {
  position: absolute; bottom: 18px; left: 20px; z-index: 2;
  font-size: 0.6rem; letter-spacing: 0.35em; text-transform: uppercase; color: rgba(255,255,255,0.75);
}
.frame-deco {
  position: absolute; width: 140px; height: 140px; pointer-events: none; z-index: 1;
}
.frame-deco.tl { top: -18px; left: -18px; border-top: 1px solid var(--gold); border-left: 1px solid var(--gold); }
.frame-deco.br { bottom: -18px; right: -18px; border-bottom: 1px solid var(--gold); border-right: 1px solid var(--gold); }

/* ---------- Marquee ---------- */
.marquee {
  overflow: hidden; white-space: nowrap; padding: 34px 0;
  border-top: 1px solid rgba(201,161,74,0.18); border-bottom: 1px solid rgba(201,161,74,0.18);
  background: linear-gradient(90deg, var(--black-2), var(--purple-deep) 50%, var(--black-2));
  position: relative; z-index: 3;
}
.marquee-track { display: inline-flex; animation: marquee 30s linear infinite; }
.marquee span {
  font-family: var(--serif); font-size: clamp(1.1rem, 2.2vw, 1.7rem);
  letter-spacing: 0.3em; text-transform: uppercase; color: rgba(233,228,216,0.5);
  padding: 0 38px; display: inline-flex; align-items: center; gap: 38px;
}
.marquee span::after { content: "◆"; font-size: 0.6em; color: var(--gold); }
@keyframes marquee { to { transform: translateX(-50%); } }

/* ---------- Service cards (home) ---------- */
.services-grid {
  display: grid; grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); gap: 1px;
  background: rgba(201,161,74,0.18); border: 1px solid rgba(201,161,74,0.18);
}
.service-card {
  background: var(--black-2); padding: clamp(36px, 4vw, 56px) clamp(28px, 3vw, 44px);
  position: relative; overflow: hidden; transition: background 0.6s var(--ease);
}
.service-card::before {
  content: ""; position: absolute; inset: 0;
  background: radial-gradient(circle at 30% 0%, var(--purple-glow), transparent 60%);
  opacity: 0; transition: opacity 0.6s;
}
.service-card:hover { background: var(--black-3); }
.service-card:hover::before { opacity: 1; }
.service-num {
  font-family: var(--serif); font-size: 0.8rem; color: var(--gold);
  letter-spacing: 0.3em; margin-bottom: 26px; display: block;
}
.service-card h3 { font-size: 1.25rem; margin-bottom: 16px; letter-spacing: 0.05em; position: relative; }
.service-card p { font-size: 0.85rem; color: var(--text-dim); position: relative; }
.service-card .card-arrow {
  margin-top: 28px; display: inline-block; color: var(--gold); font-size: 0.8rem;
  letter-spacing: 0.2em; transition: transform 0.4s var(--ease);
}
.service-card:hover .card-arrow { transform: translateX(8px); }

/* ---------- Stats ---------- */
.stats-band { display: grid; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); gap: 48px; text-align: center; }
.stat-num {
  font-family: var(--serif); font-size: clamp(2.6rem, 5vw, 4rem); color: var(--gold-light); line-height: 1;
}
.stat-num sup { font-size: 0.45em; color: var(--gold); }
.stat-label { font-size: 0.68rem; letter-spacing: 0.3em; text-transform: uppercase; color: var(--text-dim); margin-top: 14px; }

/* ---------- Fullbleed parallax band ---------- */
.parallax-band {
  position: relative; min-height: 64vh; display: flex; align-items: center; justify-content: center;
  overflow: hidden; text-align: center; z-index: 3;
}
.parallax-band .band-bg {
  position: absolute; inset: -18% 0; background-size: cover; background-position: center; will-change: transform;
}
.parallax-band .band-bg::after {
  content: ""; position: absolute; inset: 0; background: rgba(7,6,10,0.66);
}
.parallax-band .band-content { position: relative; z-index: 2; padding: 80px 24px; max-width: 860px; }
.parallax-band h2 { font-size: clamp(1.8rem, 4vw, 3rem); margin-bottom: 24px; }

/* ---------- Service detail rows (services page) ---------- */
.service-row { display: grid; grid-template-columns: 1fr 1fr; gap: clamp(40px, 6vw, 90px); align-items: center; margin-bottom: clamp(90px, 10vw, 150px); }
.service-row:last-child { margin-bottom: 0; }
.service-row.flip .service-media { order: 2; }
@media (max-width: 880px) {
  .service-row, .service-row.flip { grid-template-columns: 1fr; }
  .service-row.flip .service-media { order: 0; }
}
.service-media { position: relative; }
.service-media .img-frame { aspect-ratio: 3/2; }
.service-tag {
  display: inline-block; font-size: 0.62rem; letter-spacing: 0.35em; text-transform: uppercase;
  color: var(--gold); border: 1px solid var(--gold-dim); padding: 8px 18px; margin-bottom: 24px;
}
.service-row h2 { font-size: clamp(1.7rem, 3.4vw, 2.6rem); margin-bottom: 22px; }
.service-row p { color: var(--text-dim); font-size: 0.95rem; margin-bottom: 18px; }
.service-points { margin-top: 26px; }
.service-points li {
  padding: 14px 0; border-bottom: 1px solid rgba(201,161,74,0.14);
  font-size: 0.88rem; color: var(--text); display: flex; gap: 16px; align-items: baseline;
}
.service-points li::before { content: "◆"; color: var(--gold); font-size: 0.55rem; }

/* ---------- About page ---------- */
.philosophy-quote {
  font-family: var(--serif); font-size: clamp(1.4rem, 3vw, 2.2rem); line-height: 1.6;
  color: #fff; max-width: 900px; margin: 0 auto; text-align: center;
}
.philosophy-quote .gold-text {
  background: linear-gradient(110deg, #b08a3e, var(--gold-light), #b08a3e);
  -webkit-background-clip: text; background-clip: text; color: transparent;
}

.info-table { width: 100%; border-collapse: collapse; }
.info-table th, .info-table td { padding: 22px 16px; border-bottom: 1px solid rgba(201,161,74,0.16); text-align: left; vertical-align: top; }
.info-table th {
  width: 220px; font-family: var(--serif); font-weight: 400; color: var(--gold-light);
  font-size: 0.78rem; letter-spacing: 0.25em; text-transform: uppercase;
}
.info-table td { color: var(--text-dim); font-size: 0.92rem; }
@media (max-width: 640px) {
  .info-table th { width: 120px; font-size: 0.66rem; }
}

.value-cards { display: grid; grid-template-columns: repeat(auto-fit, minmax(250px, 1fr)); gap: 28px; }
.value-card {
  border: 1px solid rgba(201,161,74,0.2); padding: 44px 34px; background: rgba(13,11,18,0.6);
  position: relative; transition: border-color 0.5s, transform 0.5s var(--ease);
}
.value-card:hover { border-color: var(--gold); transform: translateY(-6px); }
.value-card .v-num { font-family: var(--serif); color: var(--purple); font-size: 2rem; opacity: 0.9; }
.value-card h3 { margin: 18px 0 12px; font-size: 1.1rem; letter-spacing: 0.08em; }
.value-card p { font-size: 0.85rem; color: var(--text-dim); }

/* ---------- Contact ---------- */
.contact-grid { display: grid; grid-template-columns: 1.1fr 1fr; gap: clamp(40px, 6vw, 90px); }
@media (max-width: 880px) { .contact-grid { grid-template-columns: 1fr; } }

.contact-item { padding: 26px 0; border-bottom: 1px solid rgba(201,161,74,0.16); display: flex; gap: 24px; align-items: baseline; }
.contact-item .c-label {
  min-width: 90px; font-size: 0.62rem; letter-spacing: 0.32em; text-transform: uppercase; color: var(--gold);
}
.contact-item .c-value { color: var(--text); font-size: 0.95rem; line-height: 1.8; }
.contact-item .c-value a:hover { color: var(--gold-light); }

.contact-form .form-group { margin-bottom: 26px; }
.contact-form label {
  display: block; font-size: 0.62rem; letter-spacing: 0.3em; text-transform: uppercase;
  color: var(--gold); margin-bottom: 10px;
}
.contact-form input, .contact-form textarea {
  width: 100%; background: rgba(13,11,18,0.7); border: 1px solid rgba(201,161,74,0.22);
  color: var(--text); padding: 15px 18px; font-family: var(--sans); font-size: 0.92rem;
  transition: border-color 0.4s; border-radius: 2px;
}
.contact-form input:focus, .contact-form textarea:focus { outline: none; border-color: var(--gold); }
.contact-form textarea { min-height: 150px; resize: vertical; }

.map-frame { border: 1px solid rgba(201,161,74,0.25); filter: grayscale(1) invert(0.92) hue-rotate(200deg); height: 380px; }
.map-frame iframe { width: 100%; height: 100%; border: 0; }

/* ---------- CTA ---------- */
.cta-section { text-align: center; position: relative; overflow: hidden; }
.cta-section .cta-deco {
  position: absolute; top: 50%; left: 50%; transform: translate(-50%,-50%);
  font-family: var(--serif); font-size: clamp(8rem, 22vw, 20rem); color: rgba(201,161,74,0.04);
  white-space: nowrap; pointer-events: none; letter-spacing: 0.1em;
}
.cta-section h2 { font-size: clamp(2rem, 4.6vw, 3.6rem); margin-bottom: 26px; }
.cta-section p { color: var(--text-dim); max-width: 560px; margin: 0 auto 48px; }

/* ---------- Footer ---------- */
.footer {
  border-top: 1px solid rgba(201,161,74,0.18);
  padding: 70px clamp(24px, 6vw, 80px) 40px;
  background: linear-gradient(180deg, var(--black), var(--purple-deep) 220%);
  position: relative; z-index: 3;
}
.footer-grid { max-width: 1280px; margin: 0 auto; display: grid; grid-template-columns: 1.4fr 1fr 1fr; gap: 48px; }
@media (max-width: 880px) { .footer-grid { grid-template-columns: 1fr; } }
.footer-logo { font-family: var(--serif); font-size: 1.3rem; letter-spacing: 0.28em; color: var(--gold-light); margin-bottom: 8px; }
.footer-logo-sub { font-size: 0.55rem; letter-spacing: 0.35em; color: var(--text-dim); text-transform: uppercase; margin-bottom: 24px; }
.footer p, .footer li { font-size: 0.8rem; color: var(--text-dim); }
.footer h4 { font-size: 0.7rem; letter-spacing: 0.32em; text-transform: uppercase; color: var(--gold); margin-bottom: 20px; }
.footer li { padding: 6px 0; }
.footer li a:hover { color: var(--gold-light); }
.footer-bottom {
  max-width: 1280px; margin: 56px auto 0; padding-top: 28px;
  border-top: 1px solid rgba(255,255,255,0.06);
  display: flex; justify-content: space-between; flex-wrap: wrap; gap: 12px;
  font-size: 0.66rem; letter-spacing: 0.18em; color: rgba(154,147,166,0.7);
}

/* ---------- Reveal helpers (GSAP targets) ---------- */
.reveal, .reveal-line, .stagger > * { opacity: 0; }
html.no-js .reveal, html.no-js .reveal-line, html.no-js .stagger > * { opacity: 1; }

/* ---------- Divider ---------- */
.gold-divider {
  width: 1px; height: 90px; margin: 0 auto;
  background: linear-gradient(180deg, transparent, var(--gold), transparent);
}