/* ============================================================
   OFFICE.VAZAAR – Main Stylesheet
   Design: Elegant Monochrome + Gold Accent
   ============================================================ */

/* ----- RESET & BASE ----- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { font-size: 62.5%; scroll-behavior: smooth; }
body {
  font-family: 'Noto Sans JP', sans-serif;
  font-size: 1.6rem;
  line-height: 1.8;
  color: #1a1a1a;
  background: #ffffff;
  overflow-x: hidden;
}
img { max-width: 100%; height: auto; display: block; }
a { color: inherit; text-decoration: none; transition: opacity .2s; }
a:hover { opacity: .75; }
ul { list-style: none; }
button { cursor: pointer; border: none; background: none; font-family: inherit; }
input, textarea, select {
  font-family: 'Noto Sans JP', sans-serif;
  font-size: 1.6rem;
}

/* ----- CSS VARIABLES ----- */
:root {
  --gold: #b8963a;
  --gold-light: #d4af5e;
  --gold-dark: #8c6e25;
  --black: #0a0a0a;
  --dark: #111111;
  --gray-900: #1a1a1a;
  --gray-800: #2d2d2d;
  --gray-600: #666666;
  --gray-400: #999999;
  --gray-200: #e8e8e8;
  --gray-100: #f4f4f4;
  --white: #ffffff;
  --container: 120rem;
  --section-py: 10rem;
  --transition: .35s cubic-bezier(.25,.46,.45,.94);
}

/* ----- UTILITY ----- */
.container {
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 3rem;
}
.section { padding: var(--section-py) 0; }
.section--dark { background: var(--dark); }
.section--light { background: var(--gray-100); }

/* Section Header */
.section-header { text-align: center; margin-bottom: 6rem; }
.section-header--light { text-align: center; margin-bottom: 6rem; }
.section-label {
  font-family: 'Montserrat', sans-serif;
  font-size: 1.1rem;
  font-weight: 600;
  letter-spacing: .4em;
  color: var(--gold);
  margin-bottom: 1.2rem;
  display: block;
}
.section-label--light { color: var(--gold-light); }
.section-title {
  font-family: 'Cormorant Garamond', 'Noto Sans JP', serif;
  font-size: clamp(2.8rem, 4vw, 4.2rem);
  font-weight: 300;
  color: var(--gray-900);
  line-height: 1.3;
  letter-spacing: .02em;
}
.section-title--left { text-align: left; }
.section-title--light { color: var(--white); }
.section-desc {
  margin-top: 2rem;
  font-size: 1.5rem;
  color: var(--gray-600);
  line-height: 1.8;
}
.section-desc--light { color: #aaaaaa; }

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 1rem;
  padding: 1.5rem 3.5rem;
  font-family: 'Montserrat', sans-serif;
  font-size: 1.3rem;
  font-weight: 600;
  letter-spacing: .1em;
  border-radius: 2px;
  transition: all var(--transition);
  cursor: pointer;
  white-space: nowrap;
}
.btn--primary {
  background: var(--gold);
  color: var(--white);
  border: 2px solid var(--gold);
}
.btn--primary:hover {
  background: var(--gold-dark);
  border-color: var(--gold-dark);
  opacity: 1;
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(184,150,58,.35);
}
.btn--ghost {
  background: transparent;
  color: var(--white);
  border: 2px solid rgba(255,255,255,.5);
}
.btn--ghost:hover {
  border-color: var(--white);
  opacity: 1;
  transform: translateY(-2px);
}
.btn--outline {
  background: transparent;
  color: var(--gold);
  border: 2px solid var(--gold);
}
.btn--outline:hover {
  background: var(--gold);
  color: var(--white);
  opacity: 1;
  transform: translateY(-2px);
}
.btn--light {
  color: var(--gold-light);
  border-color: var(--gold-light);
}
.btn--light:hover {
  background: var(--gold-light);
  color: var(--dark);
  opacity: 1;
}
.btn--submit {
  width: 100%;
  justify-content: center;
  padding: 2rem;
  font-size: 1.5rem;
  margin-top: 1rem;
}

/* Tags */
.tag {
  display: inline-block;
  padding: .4rem 1.2rem;
  border: 1px solid var(--gray-200);
  font-size: 1.2rem;
  color: var(--gray-600);
  border-radius: 2px;
  margin: .3rem .3rem 0 0;
}

/* Reveal Animation */
.reveal {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity .7s ease, transform .7s ease;
}
.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}
.reveal--delay1 { transition-delay: .15s; }
.reveal--delay2 { transition-delay: .3s; }
.reveal--delay3 { transition-delay: .45s; }
.reveal--delay4 { transition-delay: .6s; }
.reveal--delay5 { transition-delay: .75s; }

/* Fade In (hero) */
.fade-in {
  opacity: 0;
  animation: fadeInUp .9s ease forwards;
}
.fade-in--delay1 { animation-delay: .3s; }
.fade-in--delay2 { animation-delay: .6s; }
.fade-in--delay3 { animation-delay: .9s; }
.fade-in--delay4 { animation-delay: 1.2s; }
@keyframes fadeInUp {
  from { opacity: 0; transform: translateY(25px); }
  to { opacity: 1; transform: translateY(0); }
}

/* ============================================================
   HEADER
   ============================================================ */
.header {
  position: fixed;
  top: 0; left: 0;
  width: 100%;
  z-index: 1000;
  padding: 2.5rem 0;
  transition: all var(--transition);
}
.header.scrolled {
  background: rgba(10,10,10,.95);
  backdrop-filter: blur(12px);
  padding: 1.5rem 0;
  border-bottom: 1px solid rgba(184,150,58,.2);
}
.header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 3rem;
}
.header__logo {
  display: flex;
  flex-direction: column;
  gap: .3rem;
}
.logo-main {
  font-family: 'Montserrat', sans-serif;
  font-size: 1.8rem;
  font-weight: 700;
  color: var(--white);
  letter-spacing: .08em;
}
.logo-sub {
  font-size: 1rem;
  color: var(--gold-light);
  font-weight: 300;
  letter-spacing: .05em;
}
.nav-list {
  display: flex;
  align-items: center;
  gap: 3.5rem;
}
.nav-link {
  font-family: 'Montserrat', sans-serif;
  font-size: 1.15rem;
  font-weight: 500;
  letter-spacing: .1em;
  color: rgba(255,255,255,.85);
  transition: color var(--transition);
  position: relative;
}
.nav-link::after {
  content: '';
  position: absolute;
  bottom: -4px; left: 0;
  width: 0; height: 1px;
  background: var(--gold);
  transition: width var(--transition);
}
.nav-link:hover { color: var(--white); opacity: 1; }
.nav-link:hover::after { width: 100%; }
.nav-link--cta {
  padding: .8rem 2rem;
  border: 1px solid var(--gold);
  color: var(--gold);
  border-radius: 2px;
}
.nav-link--cta:hover {
  background: var(--gold);
  color: var(--white);
  opacity: 1;
}
.nav-link--cta::after { display: none; }

/* Hamburger */
.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  width: 30px;
  padding: 4px 0;
}
.hamburger span {
  display: block;
  width: 100%; height: 2px;
  background: var(--white);
  transition: all var(--transition);
  transform-origin: center;
}
.hamburger.active span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.hamburger.active span:nth-child(2) { opacity: 0; }
.hamburger.active span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* Mobile Nav */
.mobile-nav {
  position: fixed;
  top: 0; right: -100%;
  width: 80%;
  max-width: 32rem;
  height: 100vh;
  background: var(--dark);
  z-index: 999;
  padding: 10rem 4rem 4rem;
  transition: right var(--transition);
  border-left: 1px solid rgba(184,150,58,.2);
}
.mobile-nav.open { right: 0; }
.mobile-nav__list { display: flex; flex-direction: column; gap: 2rem; }
.mobile-nav__link {
  font-family: 'Montserrat', sans-serif;
  font-size: 1.6rem;
  font-weight: 500;
  letter-spacing: .1em;
  color: rgba(255,255,255,.85);
  display: block;
  padding: 1rem 0;
  border-bottom: 1px solid rgba(255,255,255,.08);
}
.mobile-nav__link--cta {
  margin-top: 1rem;
  padding: 1.5rem 2rem;
  background: var(--gold);
  color: var(--white);
  border: none;
  text-align: center;
  border-radius: 2px;
}

/* Overlay */
.nav-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,.5);
  z-index: 998;
  display: none;
}
.nav-overlay.show { display: block; }

/* ============================================================
   HERO
   ============================================================ */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  overflow: hidden;
  background: var(--dark);
}
.hero__bg {
  position: absolute;
  inset: 0;
}
.hero__overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, #0a0a0a 0%, #1a1408 50%, #0a0a0a 100%);
}
.hero__grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(184,150,58,.06) 1px, transparent 1px),
    linear-gradient(90deg, rgba(184,150,58,.06) 1px, transparent 1px);
  background-size: 60px 60px;
}
.hero__content {
  position: relative;
  z-index: 1;
  max-width: var(--container);
  margin: 0 auto;
  padding: 14rem 3rem 8rem;
  width: 100%;
}
.hero__eyebrow {
  font-family: 'Montserrat', sans-serif;
  font-size: 1.1rem;
  font-weight: 500;
  letter-spacing: .4em;
  color: var(--gold);
  margin-bottom: 2.5rem;
  display: flex;
  align-items: center;
  gap: 1.5rem;
}
.hero__eyebrow::before {
  content: '';
  display: inline-block;
  width: 4rem;
  height: 1px;
  background: var(--gold);
}
.hero__title {
  display: flex;
  flex-direction: column;
  gap: .5rem;
  margin-bottom: 3rem;
}
.hero__title-line {
  font-family: 'Noto Sans JP', sans-serif;
  font-size: clamp(3.8rem, 6vw, 7rem);
  font-weight: 700;
  color: var(--white);
  line-height: 1.25;
  letter-spacing: .02em;
}
.hero__title-line--gold { color: var(--gold); }
.hero__sub {
  font-size: clamp(1.5rem, 2vw, 1.8rem);
  color: rgba(255,255,255,.65);
  margin-bottom: 4rem;
  line-height: 2;
  font-weight: 300;
}
.hero__actions {
  display: flex;
  gap: 2rem;
  flex-wrap: wrap;
  margin-bottom: 6rem;
}
.hero__stats {
  display: flex;
  align-items: center;
  gap: 3rem;
  flex-wrap: wrap;
}
.stat-item { text-align: center; }
.stat-num {
  display: block;
  font-family: 'Montserrat', sans-serif;
  font-size: 2.4rem;
  font-weight: 700;
  color: var(--gold);
  line-height: 1.1;
}
.stat-label {
  display: block;
  font-size: 1.1rem;
  color: rgba(255,255,255,.5);
  letter-spacing: .05em;
  margin-top: .4rem;
}
.stat-divider {
  width: 1px;
  height: 4rem;
  background: rgba(255,255,255,.15);
}
.hero__scroll {
  position: absolute;
  bottom: 4rem;
  right: 5rem;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1rem;
  z-index: 1;
}
.hero__scroll span {
  font-family: 'Montserrat', sans-serif;
  font-size: .9rem;
  letter-spacing: .3em;
  color: rgba(255,255,255,.4);
  writing-mode: vertical-rl;
}
.scroll-line {
  width: 1px;
  height: 6rem;
  background: linear-gradient(to bottom, var(--gold), transparent);
  animation: scrollLine 2s ease-in-out infinite;
}
@keyframes scrollLine {
  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; }
}

/* ============================================================
   PROBLEM
   ============================================================ */
.problem { background: #fafafa; }
.problem__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
  margin-bottom: 5rem;
}
.problem-card {
  background: var(--white);
  border: 1px solid var(--gray-200);
  border-radius: 4px;
  padding: 3rem 2.5rem;
  text-align: center;
  transition: all var(--transition);
}
.problem-card:hover {
  border-color: var(--gold);
  box-shadow: 0 8px 30px rgba(184,150,58,.1);
  transform: translateY(-4px);
}
.problem-card__icon {
  font-size: 2.8rem;
  color: var(--gold);
  margin-bottom: 1.5rem;
}
.problem-card__text {
  font-size: 1.4rem;
  color: var(--gray-800);
  line-height: 1.7;
}
.problem-card__text strong { color: var(--gray-900); }
.problem__solution {
  background: linear-gradient(135deg, var(--dark), var(--gray-800));
  border-left: 4px solid var(--gold);
  border-radius: 4px;
  padding: 4rem 5rem;
}
.solution-label {
  font-family: 'Montserrat', sans-serif;
  font-size: 1rem;
  letter-spacing: .3em;
  color: var(--gold);
  margin-bottom: 1.5rem;
}
.solution-text {
  font-size: 1.8rem;
  color: var(--white);
  font-weight: 300;
  line-height: 1.8;
}
.solution-text strong { color: var(--gold-light); font-weight: 500; }

/* ============================================================
   ABOUT
   ============================================================ */
.about__inner {
  display: grid;
  grid-template-columns: 1fr 1.3fr;
  gap: 8rem;
  align-items: center;
}
.about__img-placeholder {
  width: 100%;
  aspect-ratio: 3/4;
  background: linear-gradient(135deg, var(--gray-900), var(--gray-800));
  border-radius: 4px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  position: relative;
  overflow: hidden;
}
.about__img-placeholder::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(184,150,58,.1), transparent);
}
.placeholder-circle {
  width: 12rem;
  height: 12rem;
  border-radius: 50%;
  background: rgba(184,150,58,.15);
  border: 2px solid rgba(184,150,58,.3);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 5rem;
  color: var(--gold);
  margin-bottom: 2rem;
}
.placeholder-tag {
  font-family: 'Montserrat', sans-serif;
  font-size: 1.2rem;
  color: rgba(255,255,255,.6);
  letter-spacing: .05em;
  position: relative;
  z-index: 1;
}
.about__badge {
  margin-top: 2rem;
  background: var(--gray-100);
  border-radius: 4px;
  padding: 2rem 2.5rem;
}
.badge-list { display: flex; flex-direction: column; gap: .8rem; }
.badge-item {
  font-size: 1.3rem;
  color: var(--gray-800);
  display: flex;
  align-items: center;
  gap: 1rem;
}
.badge-item i { color: var(--gold); font-size: 1rem; }
.about__lead {
  font-size: 1.8rem;
  font-weight: 500;
  color: var(--gray-900);
  line-height: 1.7;
  margin: 2.5rem 0 2rem;
}
.about__lead strong { color: var(--gold-dark); }
.about__body {
  font-size: 1.5rem;
  color: var(--gray-600);
  line-height: 2;
  margin-bottom: 1.5rem;
}
.about__body strong { color: var(--gray-900); }
.about__tags {
  margin-top: 3rem;
  display: flex;
  flex-wrap: wrap;
  gap: .8rem;
}

/* ============================================================
   SERVICE
   ============================================================ */
.service__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2.5rem;
  margin-bottom: 4rem;
}
.service-card {
  background: rgba(255,255,255,.04);
  border: 1px solid rgba(255,255,255,.1);
  border-radius: 4px;
  padding: 4rem 3rem;
  position: relative;
  transition: all var(--transition);
}
.service-card:hover {
  border-color: rgba(184,150,58,.5);
  background: rgba(255,255,255,.07);
  transform: translateY(-6px);
  box-shadow: 0 20px 50px rgba(0,0,0,.3);
}
.service-card--featured {
  border-color: var(--gold);
  background: rgba(184,150,58,.06);
}
.service-card__badge {
  position: absolute;
  top: -1px; right: 2.5rem;
  background: var(--gold);
  color: var(--white);
  font-family: 'Montserrat', sans-serif;
  font-size: 1rem;
  font-weight: 600;
  letter-spacing: .05em;
  padding: .5rem 1.2rem;
  border-radius: 0 0 4px 4px;
}
.service-card__number {
  font-family: 'Montserrat', sans-serif;
  font-size: 1rem;
  font-weight: 600;
  letter-spacing: .2em;
  color: var(--gold);
  margin-bottom: 1.5rem;
}
.service-card__icon {
  font-size: 2.8rem;
  color: var(--gold);
  margin-bottom: 2rem;
}
.service-card__title {
  font-size: 1.8rem;
  font-weight: 500;
  color: var(--white);
  margin-bottom: 1.5rem;
  line-height: 1.4;
}
.service-card__desc {
  font-size: 1.4rem;
  color: rgba(255,255,255,.55);
  line-height: 1.9;
  margin-bottom: 2.5rem;
}
.service-card__list {
  display: flex;
  flex-direction: column;
  gap: .8rem;
  margin-bottom: 3rem;
  padding-left: .5rem;
}
.service-card__list li {
  font-size: 1.3rem;
  color: rgba(255,255,255,.7);
  display: flex;
  align-items: center;
  gap: .8rem;
}
.service-card__list li::before {
  content: '';
  width: 4px; height: 4px;
  border-radius: 50%;
  background: var(--gold);
  flex-shrink: 0;
}
.service-card__link {
  font-family: 'Montserrat', sans-serif;
  font-size: 1.2rem;
  font-weight: 600;
  letter-spacing: .05em;
  color: var(--gold);
  display: inline-flex;
  align-items: center;
  gap: .8rem;
  transition: gap var(--transition);
}
.service-card__link:hover { gap: 1.4rem; opacity: 1; }

/* Backend CTA */
.backend-cta {
  background: rgba(255,255,255,.04);
  border: 1px solid rgba(184,150,58,.3);
  border-radius: 4px;
  padding: 4rem 5rem;
}
.backend-cta__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 4rem;
  flex-wrap: wrap;
}
.backend-cta__label {
  font-family: 'Montserrat', sans-serif;
  font-size: 1rem;
  letter-spacing: .3em;
  color: var(--gold-light);
  margin-bottom: 1rem;
}
.backend-cta__title {
  font-size: 2rem;
  font-weight: 500;
  color: var(--white);
  margin-bottom: 1rem;
}
.backend-cta__desc {
  font-size: 1.4rem;
  color: rgba(255,255,255,.5);
  line-height: 1.8;
  max-width: 50rem;
}

/* ============================================================
   MERIT
   ============================================================ */
.merit__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 4rem;
}
.merit-item {
  position: relative;
  padding-top: 2rem;
  border-top: 2px solid var(--gray-200);
  transition: border-color var(--transition);
}
.merit-item:hover { border-color: var(--gold); }
.merit-item__num {
  font-family: 'Montserrat', sans-serif;
  font-size: 1rem;
  font-weight: 700;
  letter-spacing: .2em;
  color: var(--gold);
  margin-bottom: 1.5rem;
}
.merit-item__icon {
  font-size: 2.8rem;
  color: var(--gold);
  margin-bottom: 1.5rem;
}
.merit-item__title {
  font-size: 1.9rem;
  font-weight: 500;
  color: var(--gray-900);
  margin-bottom: 1.5rem;
  line-height: 1.4;
}
.merit-item__desc {
  font-size: 1.4rem;
  color: var(--gray-600);
  line-height: 2;
}
.merit-item__desc strong { color: var(--gray-900); }

/* ============================================================
   FLOW
   ============================================================ */
.flow__steps {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 3rem;
  position: relative;
  margin-bottom: 5rem;
}
.flow__steps::before {
  content: '';
  position: absolute;
  top: 6.5rem;
  left: calc(12.5% + 2rem);
  right: calc(12.5% + 2rem);
  height: 2px;
  background: linear-gradient(to right, var(--gold), transparent, var(--gold-dark), transparent, var(--gold));
  z-index: 0;
}
.flow-step {
  position: relative;
  z-index: 1;
  text-align: center;
}
.flow-step__num {
  font-family: 'Montserrat', sans-serif;
  font-size: 1rem;
  font-weight: 700;
  letter-spacing: .2em;
  color: var(--gold);
  margin-bottom: 1.5rem;
}
.flow-step__icon {
  width: 7rem;
  height: 7rem;
  border-radius: 50%;
  background: var(--white);
  border: 2px solid var(--gray-200);
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 2rem;
  font-size: 2.4rem;
  color: var(--gold);
  transition: all var(--transition);
  box-shadow: 0 4px 16px rgba(0,0,0,.06);
}
.flow-step:hover .flow-step__icon {
  border-color: var(--gold);
  background: var(--gold);
  color: var(--white);
  box-shadow: 0 8px 24px rgba(184,150,58,.3);
}
.flow-step__title {
  font-size: 1.5rem;
  font-weight: 500;
  color: var(--gray-900);
  margin-bottom: 1rem;
  line-height: 1.4;
}
.flow-step__desc {
  font-size: 1.3rem;
  color: var(--gray-600);
  line-height: 1.9;
}
.flow__cta {
  text-align: center;
}
.flow__cta-note {
  margin-top: 1.5rem;
  font-size: 1.3rem;
  color: var(--gray-400);
}

/* ============================================================
   CASES
   ============================================================ */
.cases__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2.5rem;
  margin-bottom: 2.5rem;
}
.case-card {
  background: var(--white);
  border: 1px solid var(--gray-200);
  border-radius: 4px;
  padding: 3.5rem 3rem;
  transition: all var(--transition);
}
.case-card:hover {
  border-color: var(--gold);
  box-shadow: 0 12px 40px rgba(184,150,58,.12);
  transform: translateY(-4px);
}
.case-card__type {
  font-family: 'Montserrat', sans-serif;
  font-size: 1.05rem;
  font-weight: 600;
  letter-spacing: .15em;
  color: var(--gold);
  margin-bottom: 1.5rem;
  padding-bottom: 1.5rem;
  border-bottom: 1px solid var(--gray-200);
}
.case-card__title {
  font-size: 1.6rem;
  font-weight: 500;
  color: var(--gray-900);
  margin-bottom: 1.5rem;
  line-height: 1.5;
}
.case-card__body {
  font-size: 1.4rem;
  color: var(--gray-600);
  line-height: 1.9;
  margin-bottom: 2rem;
}
.case-card__tags {
  display: flex;
  flex-wrap: wrap;
  gap: .6rem;
}
.case-card__tags li {
  font-size: 1.1rem;
  color: var(--gold-dark);
  background: rgba(184,150,58,.08);
  border: 1px solid rgba(184,150,58,.2);
  padding: .3rem 1rem;
  border-radius: 2px;
}
.cases__note {
  font-size: 1.2rem;
  color: var(--gray-400);
  text-align: center;
}

/* ============================================================
   PRICING
   ============================================================ */
.pricing__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2.5rem;
  margin-bottom: 3rem;
  align-items: start;
}
.pricing-card {
  background: rgba(255,255,255,.04);
  border: 1px solid rgba(255,255,255,.1);
  border-radius: 4px;
  padding: 4rem 3rem;
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 3rem;
  transition: all var(--transition);
}
.pricing-card:hover {
  border-color: rgba(184,150,58,.5);
  transform: translateY(-4px);
}
.pricing-card--featured {
  border-color: var(--gold);
  background: rgba(184,150,58,.07);
}
.pricing-card__badge {
  position: absolute;
  top: -1px; left: 50%;
  transform: translateX(-50%);
  background: var(--gold);
  color: var(--white);
  font-family: 'Montserrat', sans-serif;
  font-size: 1rem;
  font-weight: 600;
  letter-spacing: .05em;
  padding: .5rem 1.5rem;
  border-radius: 0 0 4px 4px;
  white-space: nowrap;
}
.pricing-card__name {
  font-size: 1.6rem;
  font-weight: 500;
  color: var(--white);
  margin-bottom: 1.5rem;
}
.pricing-card__price {
  display: flex;
  align-items: baseline;
  gap: .5rem;
}
.price-from {
  font-family: 'Montserrat', sans-serif;
  font-size: 1rem;
  letter-spacing: .1em;
  color: var(--gold);
}
.price-num {
  font-family: 'Montserrat', sans-serif;
  font-size: 3rem;
  font-weight: 700;
  color: var(--white);
  line-height: 1;
}
.price-unit {
  font-size: 1.4rem;
  color: rgba(255,255,255,.5);
}
.pricing-card__items {
  display: flex;
  flex-direction: column;
  gap: 1rem;
  flex: 1;
}
.pricing-card__items li {
  font-size: 1.4rem;
  color: rgba(255,255,255,.65);
  display: flex;
  align-items: center;
  gap: 1rem;
}
.pricing-card__items li::before {
  content: '';
  width: 4px; height: 4px;
  border-radius: 50%;
  background: var(--gold);
  flex-shrink: 0;
}
.pricing__note {
  font-size: 1.3rem;
  color: rgba(255,255,255,.4);
  text-align: center;
  line-height: 2;
}
.pricing-detail-link {
  color: var(--gold-light);
  text-decoration: underline;
}

/* ============================================================
   FAQ
   ============================================================ */
.faq__list {
  max-width: 80rem;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}
.faq-item {
  border: 1px solid var(--gray-200);
  border-radius: 4px;
  overflow: hidden;
  transition: border-color var(--transition);
}
.faq-item:hover { border-color: var(--gold); }
.faq-item__q {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 2rem;
  padding: 2.5rem 3rem;
  font-size: 1.5rem;
  font-weight: 500;
  color: var(--gray-900);
  text-align: left;
  transition: background var(--transition);
}
.faq-item__q:hover { background: var(--gray-100); }
.faq-item__q[aria-expanded="true"] { background: var(--gray-100); }
.faq-item__icon {
  font-size: 1.4rem;
  color: var(--gold);
  flex-shrink: 0;
  transition: transform var(--transition);
}
.faq-item__q[aria-expanded="true"] .faq-item__icon { transform: rotate(45deg); }
.faq-item__a {
  max-height: 0;
  overflow: hidden;
  transition: max-height .4s ease, padding .4s ease;
}
.faq-item__a.open { max-height: 30rem; }
.faq-item__a p {
  padding: 0 3rem 2.5rem;
  font-size: 1.45rem;
  color: var(--gray-600);
  line-height: 2;
}
.faq-item__a a {
  color: var(--gold);
  text-decoration: underline;
}

/* ============================================================
   CONTACT
   ============================================================ */
.contact { background: #fafafa; }
.contact__inner { max-width: 80rem; margin: 0 auto; }
.contact-type {
  background: var(--white);
  border: 1px solid var(--gray-200);
  border-radius: 4px;
  padding: 3rem;
  margin-bottom: 3rem;
}
.contact-type__label {
  font-size: 1.3rem;
  font-weight: 500;
  color: var(--gray-800);
  margin-bottom: 1.5rem;
}
.contact-type__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1rem;
}
.type-check {
  display: flex;
  align-items: center;
  gap: .8rem;
  cursor: pointer;
  font-size: 1.3rem;
  color: var(--gray-700, #444);
  padding: 1rem 1.5rem;
  border: 1px solid var(--gray-200);
  border-radius: 4px;
  transition: all var(--transition);
}
.type-check:hover { border-color: var(--gold); background: rgba(184,150,58,.03); }
.type-check input[type="checkbox"] {
  width: 1.6rem;
  height: 1.6rem;
  accent-color: var(--gold);
  cursor: pointer;
}

.contact-form { display: flex; flex-direction: column; gap: 2rem; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 2rem; }
.form-group { display: flex; flex-direction: column; gap: .8rem; }
.form-label {
  font-size: 1.4rem;
  font-weight: 500;
  color: var(--gray-800);
}
.required {
  font-size: 1.1rem;
  color: #c0392b;
  margin-left: .5rem;
  font-weight: 400;
}
.optional {
  font-size: 1.1rem;
  color: var(--gray-400);
  margin-left: .5rem;
  font-weight: 400;
}
.form-input, .form-select, .form-textarea {
  padding: 1.3rem 1.6rem;
  border: 1px solid var(--gray-200);
  border-radius: 4px;
  font-size: 1.5rem;
  color: var(--gray-900);
  background: var(--white);
  transition: border-color var(--transition), box-shadow var(--transition);
  outline: none;
}
.form-input:focus, .form-select:focus, .form-textarea:focus {
  border-color: var(--gold);
  box-shadow: 0 0 0 3px rgba(184,150,58,.12);
}
.form-input.error, .form-select.error, .form-textarea.error {
  border-color: #c0392b;
}
.form-textarea { resize: vertical; min-height: 14rem; }
.form-select { appearance: none; cursor: pointer; }
.form-error {
  font-size: 1.2rem;
  color: #c0392b;
  min-height: 1.8rem;
}
.form-group--check { flex-direction: row; align-items: flex-start; }
.form-check {
  display: flex;
  align-items: flex-start;
  gap: 1rem;
  cursor: pointer;
  font-size: 1.4rem;
  color: var(--gray-700, #444);
}
.form-check input[type="checkbox"] {
  width: 1.8rem;
  height: 1.8rem;
  accent-color: var(--gold);
  cursor: pointer;
  margin-top: .2rem;
  flex-shrink: 0;
}
.form-link { color: var(--gold); text-decoration: underline; }

.contact-success {
  text-align: center;
  padding: 6rem 3rem;
}
.contact-success i {
  font-size: 5rem;
  color: var(--gold);
  margin-bottom: 2rem;
}
.contact-success h3 {
  font-size: 2.2rem;
  font-weight: 500;
  color: var(--gray-900);
  margin-bottom: 1.5rem;
}
.contact-success p {
  font-size: 1.5rem;
  color: var(--gray-600);
  line-height: 2;
}

/* ============================================================
   FOOTER
   ============================================================ */
.footer {
  background: var(--black);
  border-top: 1px solid rgba(184,150,58,.2);
}
.footer__inner { padding-top: 6rem; padding-bottom: 3rem; }
.footer__top {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1.5fr;
  gap: 6rem;
  padding-bottom: 4rem;
  border-bottom: 1px solid rgba(255,255,255,.07);
  margin-bottom: 3rem;
}
.footer__logo {
  font-family: 'Montserrat', sans-serif;
  font-size: 1.8rem;
  font-weight: 700;
  color: var(--white);
  letter-spacing: .08em;
  margin-bottom: .8rem;
}
.footer__tagline {
  font-size: 1.2rem;
  color: var(--gold-light);
  margin-bottom: 2rem;
  letter-spacing: .03em;
}
.footer__info {
  font-size: 1.3rem;
  color: rgba(255,255,255,.4);
  line-height: 2;
}
.footer__nav-title {
  font-family: 'Montserrat', sans-serif;
  font-size: 1.1rem;
  font-weight: 600;
  letter-spacing: .15em;
  color: var(--gold);
  margin-bottom: 2rem;
}
.footer__nav ul { display: flex; flex-direction: column; gap: 1rem; }
.footer__nav a {
  font-size: 1.3rem;
  color: rgba(255,255,255,.5);
  transition: color var(--transition);
}
.footer__nav a:hover { color: var(--white); opacity: 1; }
.footer__sister-link {
  display: flex;
  align-items: flex-start;
  gap: 1rem;
  font-size: 1.35rem;
  color: rgba(255,255,255,.5);
  line-height: 1.7;
  padding: 1.5rem;
  border: 1px solid rgba(255,255,255,.1);
  border-radius: 4px;
  transition: all var(--transition);
}
.footer__sister-link:hover {
  border-color: var(--gold);
  color: var(--white);
  opacity: 1;
}
.footer__sister-link i { color: var(--gold); font-size: 1.1rem; margin-top: .3rem; flex-shrink: 0; }
.footer__bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 1rem;
}
.footer__copy {
  font-size: 1.2rem;
  color: rgba(255,255,255,.25);
  letter-spacing: .03em;
}
.footer__links {
  display: flex;
  gap: 2rem;
}
.footer__links a {
  font-size: 1.2rem;
  color: rgba(255,255,255,.25);
  transition: color var(--transition);
}
.footer__links a:hover { color: rgba(255,255,255,.6); opacity: 1; }

/* ============================================================
   SCROLL TO TOP
   ============================================================ */
.scroll-top {
  position: fixed;
  bottom: 3rem;
  right: 3rem;
  width: 4.8rem;
  height: 4.8rem;
  background: var(--gold);
  color: var(--white);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.6rem;
  z-index: 900;
  opacity: 0;
  transform: translateY(20px);
  transition: all var(--transition);
  box-shadow: 0 4px 20px rgba(184,150,58,.4);
}
.scroll-top.visible { opacity: 1; transform: translateY(0); }
.scroll-top:hover { background: var(--gold-dark); transform: translateY(-3px); }

/* ============================================================
   RESPONSIVE
   ============================================================ */
@media (max-width: 1024px) {
  :root { --section-py: 8rem; }
  .problem__grid { grid-template-columns: repeat(2, 1fr); }
  .about__inner { grid-template-columns: 1fr; gap: 4rem; }
  .about__img-placeholder { aspect-ratio: 2/1; max-height: 30rem; }
  .merit__grid { grid-template-columns: 1fr; gap: 3rem; }
  .flow__steps {
    grid-template-columns: repeat(2, 1fr);
  }
  .flow__steps::before { display: none; }
  .cases__grid { grid-template-columns: 1fr; }
  .pricing__grid { grid-template-columns: 1fr; }
  .pricing-card--featured { order: -1; }
  .footer__top { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 768px) {
  :root { --section-py: 6rem; }
  html { font-size: 58%; }

  .header__nav { display: none; }
  .hamburger { display: flex; }

  .hero__content { padding: 12rem 2.5rem 6rem; }
  .hero__title-line { font-size: clamp(3rem, 8vw, 5rem); }
  .hero__actions { flex-direction: column; }
  .hero__actions .btn { width: 100%; justify-content: center; }
  .hero__scroll { display: none; }
  .hero__stats { justify-content: space-around; }

  .problem__grid { grid-template-columns: 1fr; }
  .problem__solution { padding: 3rem 2.5rem; }
  .solution-text { font-size: 1.6rem; }

  .service__grid { grid-template-columns: 1fr; }
  .backend-cta { padding: 3rem 2.5rem; }
  .backend-cta__inner { flex-direction: column; }

  .flow__steps { grid-template-columns: 1fr; gap: 2.5rem; }

  .pricing__grid { grid-template-columns: 1fr; }

  .form-row { grid-template-columns: 1fr; }
  .contact-type__grid { grid-template-columns: 1fr 1fr; }

  .footer__top { grid-template-columns: 1fr; gap: 3.5rem; }
  .footer__bottom { flex-direction: column; align-items: flex-start; }
}

@media (max-width: 480px) {
  .container { padding: 0 2rem; }
  .hero__content { padding: 10rem 2rem 5rem; }
  .section-title { font-size: 2.6rem; }
  .contact-type__grid { grid-template-columns: 1fr; }
  .hero__stats { gap: 1.5rem; }
  .stat-divider { display: none; }
}