/* ============================================================
   VORTECH Inc. — Corporate Site Design System
   ============================================================ */

@import url('https://fonts.googleapis.com/css2?family=Noto+Sans+JP:wght@300;400;500;700;900&family=DM+Sans:ital,opsz,wght@0,9..40,300;0,9..40,400;0,9..40,500;0,9..40,700;1,9..40,300&display=swap');

/* ── CSS Variables ───────────────────────────────────────── */
:root {
  --navy:       #0a1628;
  --navy-mid:   #0f2040;
  --navy-light: #1a3560;
  --blue:       #3b82f6;
  --blue-dark:  #1d4ed8;
  --blue-glow:  rgba(59, 130, 246, 0.15);
  --white:      #ffffff;
  --off-white:  #f8fafc;
  --gray-100:   #f1f5f9;
  --gray-200:   #e2e8f0;
  --gray-400:   #94a3b8;
  --gray-600:   #475569;
  --gray-800:   #1e293b;

  --font-sans: 'DM Sans', 'Noto Sans JP', sans-serif;
  --font-jp:   'Noto Sans JP', sans-serif;

  --radius-sm:  6px;
  --radius-md:  12px;
  --radius-lg:  20px;
  --radius-xl:  32px;

  --shadow-sm:  0 1px 3px rgba(0,0,0,.08), 0 1px 2px rgba(0,0,0,.06);
  --shadow-md:  0 4px 16px rgba(0,0,0,.12), 0 2px 8px rgba(0,0,0,.08);
  --shadow-lg:  0 20px 60px rgba(0,0,0,.2), 0 8px 24px rgba(0,0,0,.12);
  --shadow-blue: 0 8px 32px rgba(59,130,246,.25);

  --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-slow: 0.6s cubic-bezier(0.4, 0, 0.2, 1);

  --max-w: 1200px;
  --section-pad: 120px;
}

/* ── Reset & Base ────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html {
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  font-family: var(--font-sans);
  background: var(--white);
  color: var(--gray-800);
  line-height: 1.7;
  overflow-x: hidden;
}

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

/* ── Typography ──────────────────────────────────────────── */
.en {
  font-family: 'DM Sans', sans-serif;
  letter-spacing: -0.02em;
}

h1, h2, h3, h4 {
  font-family: var(--font-sans);
  line-height: 1.2;
  letter-spacing: -0.01em;
}

/* ── Layout Utilities ────────────────────────────────────── */
.container {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0 48px;
}

.section {
  padding: var(--section-pad) 0;
}

.section--dark {
  background: var(--navy);
  color: var(--white);
}

.section--gray {
  background: var(--gray-100);
}

.section--navy-mid {
  background: var(--navy-mid);
  color: var(--white);
}

/* ── Section Labels ──────────────────────────────────────── */
.section-label {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--blue);
  margin-bottom: 20px;
}

.section-label::before {
  content: '';
  display: block;
  width: 24px;
  height: 2px;
  background: var(--blue);
}

.section-title {
  font-size: clamp(32px, 4vw, 52px);
  font-weight: 700;
  color: var(--navy);
  margin-bottom: 20px;
  line-height: 1.15;
}

.section--dark .section-title,
.section--navy-mid .section-title {
  color: var(--white);
}

.section-sub {
  font-size: 17px;
  color: var(--gray-600);
  max-width: 560px;
  line-height: 1.8;
}

.section--dark .section-sub,
.section--navy-mid .section-sub {
  color: var(--gray-400);
}

/* ── Buttons ─────────────────────────────────────────────── */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 32px;
  border-radius: var(--radius-sm);
  font-size: 15px;
  font-weight: 600;
  letter-spacing: 0.02em;
  transition: var(--transition);
  cursor: pointer;
  border: none;
  font-family: var(--font-sans);
}

.btn--primary {
  background: var(--blue);
  color: var(--white);
  box-shadow: var(--shadow-blue);
}

.btn--primary:hover {
  background: var(--blue-dark);
  transform: translateY(-2px);
  box-shadow: 0 12px 40px rgba(59,130,246,.4);
}

.btn--outline {
  background: transparent;
  color: var(--white);
  border: 1.5px solid rgba(255,255,255,.35);
}

.btn--outline:hover {
  background: rgba(255,255,255,.08);
  border-color: rgba(255,255,255,.7);
  transform: translateY(-2px);
}

.btn--outline-blue {
  background: transparent;
  color: var(--blue);
  border: 1.5px solid var(--blue);
}

.btn--outline-blue:hover {
  background: var(--blue);
  color: var(--white);
  transform: translateY(-2px);
}

.btn svg {
  width: 16px;
  height: 16px;
  flex-shrink: 0;
  transition: transform var(--transition);
}

.btn:hover svg {
  transform: translateX(3px);
}

/* ── Header ──────────────────────────────────────────────── */
.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  padding: 20px 0;
  transition: var(--transition);
}

.header.scrolled {
  background: rgba(10, 22, 40, 0.96);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  padding: 14px 0;
  box-shadow: 0 1px 0 rgba(255,255,255,.05), 0 4px 24px rgba(0,0,0,.3);
}

.header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0 48px;
}

.header__logo {
  font-family: 'DM Sans', sans-serif;
  font-size: 22px;
  font-weight: 700;
  color: var(--white);
  letter-spacing: 0.06em;
  text-transform: uppercase;
  display: flex;
  align-items: center;
  gap: 4px;
}

.header__logo-dot {
  width: 7px;
  height: 7px;
  background: var(--blue);
  border-radius: 50%;
  display: inline-block;
  margin-bottom: 2px;
}

.header__nav {
  display: flex;
  align-items: center;
  gap: 36px;
}

.header__nav a {
  font-size: 14px;
  font-weight: 500;
  color: rgba(255,255,255,.75);
  letter-spacing: 0.02em;
  transition: color var(--transition);
  position: relative;
}

.header__nav a::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0;
  height: 1.5px;
  background: var(--blue);
  transition: width var(--transition);
}

.header__nav a:hover,
.header__nav a.active {
  color: var(--white);
}

.header__nav a:hover::after,
.header__nav a.active::after {
  width: 100%;
}

.header__cta {
  display: flex;
  align-items: center;
  gap: 20px;
}

/* ── Hamburger ───────────────────────────────────────────── */
.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  padding: 6px;
  background: none;
  border: none;
}

.hamburger span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--white);
  transition: var(--transition);
  transform-origin: center;
}

.hamburger.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.hamburger.open span:nth-child(2) { opacity: 0; transform: scaleX(0); }
.hamburger.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

.mobile-menu {
  display: none;
  position: fixed;
  inset: 0;
  background: var(--navy);
  z-index: 999;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 40px;
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--transition);
}

.mobile-menu.open {
  opacity: 1;
  pointer-events: all;
}

.mobile-menu a {
  font-size: 28px;
  font-weight: 700;
  color: var(--white);
  letter-spacing: 0.04em;
  transition: color var(--transition);
}

.mobile-menu a:hover { color: var(--blue); }

/* ── Hero (Index) ────────────────────────────────────────── */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  background: var(--navy);
  overflow: hidden;
}

/* Geometric decoration */
.hero__geo {
  position: absolute;
  inset: 0;
  pointer-events: none;
}

.hero__geo-ring {
  position: absolute;
  border-radius: 50%;
  border: 1px solid rgba(59,130,246,.12);
}

.hero__geo-ring:nth-child(1) {
  width: 600px; height: 600px;
  right: -150px; top: -100px;
  border-color: rgba(59,130,246,.1);
  animation: rotate-slow 40s linear infinite;
}

.hero__geo-ring:nth-child(2) {
  width: 900px; height: 900px;
  right: -300px; top: -250px;
  border-color: rgba(59,130,246,.06);
  animation: rotate-slow 60s linear infinite reverse;
}

.hero__geo-ring:nth-child(3) {
  width: 400px; height: 400px;
  right: 0px; top: 50px;
  border-color: rgba(59,130,246,.08);
  animation: rotate-slow 30s linear infinite;
}

.hero__geo-dot {
  position: absolute;
  background: var(--blue);
  border-radius: 50%;
  opacity: 0.6;
}

.hero__geo-dot:nth-child(4) { width: 4px; height: 4px; right: 280px; top: 180px; animation: pulse-dot 3s ease-in-out infinite; }
.hero__geo-dot:nth-child(5) { width: 6px; height: 6px; right: 160px; top: 320px; animation: pulse-dot 3s ease-in-out infinite 1s; }
.hero__geo-dot:nth-child(6) { width: 3px; height: 3px; right: 420px; top: 260px; animation: pulse-dot 3s ease-in-out infinite 2s; }

.hero__geo-line {
  position: absolute;
  background: linear-gradient(90deg, transparent, rgba(59,130,246,.15), transparent);
  height: 1px;
}

.hero__geo-line:nth-child(7) {
  width: 300px;
  right: 100px; top: 200px;
  transform: rotate(-30deg);
}

.hero__geo-line:nth-child(8) {
  width: 200px;
  right: 300px; top: 350px;
  transform: rotate(20deg);
}

.hero__grid-bg {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(59,130,246,.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(59,130,246,.04) 1px, transparent 1px);
  background-size: 60px 60px;
  mask-image: radial-gradient(ellipse 80% 80% at 70% 50%, rgba(0,0,0,.6) 0%, transparent 100%);
}

.hero__glow {
  position: absolute;
  width: 500px;
  height: 500px;
  right: 10%;
  top: 50%;
  transform: translateY(-50%);
  background: radial-gradient(ellipse, rgba(59,130,246,.15) 0%, transparent 70%);
  pointer-events: none;
}

.hero__content {
  position: relative;
  z-index: 2;
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0 48px;
  padding-top: 100px;
}

.hero__eyebrow {
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--blue);
  margin-bottom: 28px;
  display: flex;
  align-items: center;
  gap: 12px;
  opacity: 0;
  animation: fade-up 0.8s ease forwards 0.3s;
}

.hero__eyebrow::before {
  content: '';
  display: block;
  width: 32px;
  height: 1.5px;
  background: var(--blue);
}

.hero__title {
  font-size: clamp(44px, 6.5vw, 88px);
  font-weight: 900;
  color: var(--white);
  line-height: 1.05;
  letter-spacing: -0.03em;
  margin-bottom: 32px;
  max-width: 680px;
  opacity: 0;
  animation: fade-up 0.8s ease forwards 0.5s;
}

.hero__title .accent {
  color: var(--blue);
  position: relative;
}

.hero__title .jp {
  font-family: 'Noto Sans JP', sans-serif;
  font-size: clamp(26px, 3.5vw, 48px);
  font-weight: 700;
  letter-spacing: 0.02em;
  display: block;
  margin-top: 12px;
  color: rgba(255,255,255,.85);
}

.hero__desc {
  font-size: 18px;
  color: rgba(255,255,255,.6);
  max-width: 480px;
  line-height: 1.8;
  margin-bottom: 52px;
  opacity: 0;
  animation: fade-up 0.8s ease forwards 0.7s;
}

.hero__actions {
  display: flex;
  align-items: center;
  gap: 20px;
  flex-wrap: wrap;
  opacity: 0;
  animation: fade-up 0.8s ease forwards 0.9s;
}

.hero__scroll {
  position: absolute;
  bottom: 48px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 10px;
  color: rgba(255,255,255,.35);
  font-size: 11px;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  animation: fade-up 0.8s ease forwards 1.4s;
  opacity: 0;
}

.hero__scroll-line {
  width: 1px;
  height: 48px;
  background: linear-gradient(to bottom, rgba(255,255,255,.3), transparent);
  animation: scroll-line 2s ease-in-out infinite;
}

/* ── Service Cards (Index) ───────────────────────────────── */
.services-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2px;
  margin-top: 64px;
}

.service-card {
  background: var(--white);
  padding: 48px 40px;
  position: relative;
  overflow: hidden;
  transition: var(--transition);
  border: 1px solid var(--gray-200);
}

.service-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: var(--blue);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform var(--transition);
}

.service-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-lg);
  z-index: 2;
}

.service-card:hover::before {
  transform: scaleX(1);
}

.service-card__icon {
  width: 56px;
  height: 56px;
  background: var(--blue-glow);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 28px;
}

.service-card__icon svg {
  width: 28px;
  height: 28px;
  color: var(--blue);
}

.service-card__num {
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.15em;
  color: var(--blue);
  text-transform: uppercase;
  margin-bottom: 12px;
}

.service-card h3 {
  font-size: 22px;
  font-weight: 700;
  color: var(--navy);
  margin-bottom: 14px;
}

.service-card p {
  font-size: 15px;
  color: var(--gray-600);
  line-height: 1.8;
}

/* ── Stats Section ───────────────────────────────────────── */
.stats-section {
  background: var(--navy);
  padding: 100px 0;
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0;
}

.stat-item {
  padding: 48px 40px;
  position: relative;
  text-align: center;
}

.stat-item::after {
  content: '';
  position: absolute;
  right: 0;
  top: 25%;
  height: 50%;
  width: 1px;
  background: rgba(255,255,255,.1);
}

.stat-item:last-child::after { display: none; }

.stat-num {
  font-family: 'DM Sans', sans-serif;
  font-size: clamp(48px, 5vw, 72px);
  font-weight: 700;
  color: var(--white);
  letter-spacing: -0.04em;
  line-height: 1;
  margin-bottom: 8px;
}

.stat-num .stat-unit {
  font-size: 0.45em;
  font-weight: 400;
  color: var(--blue);
  vertical-align: super;
}

.stat-label {
  font-size: 13px;
  color: var(--gray-400);
  letter-spacing: 0.05em;
  font-family: 'Noto Sans JP', sans-serif;
}

/* ── Works Cards (Index) ─────────────────────────────────── */
.works-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
  margin-top: 64px;
}

.work-card {
  background: var(--white);
  border-radius: var(--radius-md);
  overflow: hidden;
  border: 1px solid var(--gray-200);
  transition: var(--transition);
  cursor: pointer;
}

.work-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-lg);
  border-color: transparent;
}

.work-card__visual {
  height: 200px;
  position: relative;
  overflow: hidden;
}

.work-card__visual-inner {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
}

.work-card__tag {
  position: absolute;
  top: 16px;
  left: 16px;
  background: rgba(255,255,255,.15);
  backdrop-filter: blur(10px);
  color: var(--white);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  padding: 6px 14px;
  border-radius: 100px;
  border: 1px solid rgba(255,255,255,.2);
}

.work-card__body {
  padding: 28px;
}

.work-card__body h3 {
  font-size: 18px;
  font-weight: 700;
  color: var(--navy);
  margin-bottom: 10px;
  line-height: 1.4;
}

.work-card__body p {
  font-size: 14px;
  color: var(--gray-600);
  line-height: 1.8;
}

.work-card__arrow {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 13px;
  font-weight: 600;
  color: var(--blue);
  margin-top: 20px;
  transition: gap var(--transition);
}

.work-card:hover .work-card__arrow { gap: 12px; }

/* ── CTA Section ─────────────────────────────────────────── */
.cta-section {
  background: linear-gradient(135deg, var(--navy) 0%, var(--navy-light) 100%);
  padding: 120px 0;
  text-align: center;
  position: relative;
  overflow: hidden;
}

.cta-section::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(59,130,246,.05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(59,130,246,.05) 1px, transparent 1px);
  background-size: 40px 40px;
}

.cta-section__inner {
  position: relative;
  z-index: 2;
}

.cta-section h2 {
  font-size: clamp(32px, 4vw, 52px);
  font-weight: 800;
  color: var(--white);
  margin-bottom: 20px;
  letter-spacing: -0.02em;
}

.cta-section p {
  font-size: 18px;
  color: rgba(255,255,255,.6);
  margin-bottom: 48px;
}

.cta-actions {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 20px;
  flex-wrap: wrap;
}

/* ── Footer ──────────────────────────────────────────────── */
.footer {
  background: #060e1a;
  color: var(--white);
  padding: 80px 0 40px;
}

.footer__inner {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr 1fr;
  gap: 60px;
  margin-bottom: 60px;
}

.footer__brand {
  max-width: 300px;
}

.footer__logo {
  font-family: 'DM Sans', sans-serif;
  font-size: 20px;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--white);
  display: flex;
  align-items: center;
  gap: 4px;
  margin-bottom: 20px;
}

.footer__desc {
  font-size: 14px;
  color: var(--gray-400);
  line-height: 1.8;
  margin-bottom: 24px;
}

.footer__address {
  font-size: 13px;
  color: var(--gray-400);
  line-height: 1.9;
  font-style: normal;
}

.footer__col h4 {
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--gray-400);
  margin-bottom: 20px;
}

.footer__col ul li {
  margin-bottom: 12px;
}

.footer__col ul li a {
  font-size: 14px;
  color: rgba(255,255,255,.6);
  transition: color var(--transition);
}

.footer__col ul li a:hover { color: var(--white); }

.footer__bottom {
  border-top: 1px solid rgba(255,255,255,.08);
  padding-top: 32px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.footer__copy {
  font-size: 13px;
  color: var(--gray-400);
}

.footer__tagline {
  font-size: 13px;
  color: rgba(255,255,255,.3);
  font-style: italic;
}

/* ── Page Hero (Inner Pages) ─────────────────────────────── */
.page-hero {
  background: var(--navy);
  padding: 180px 0 100px;
  position: relative;
  overflow: hidden;
}

.page-hero::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: rgba(255,255,255,.06);
}

.page-hero__bg {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(59,130,246,.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(59,130,246,.04) 1px, transparent 1px);
  background-size: 60px 60px;
}

.page-hero__label {
  font-family: 'DM Sans', sans-serif;
  font-size: clamp(80px, 10vw, 140px);
  font-weight: 900;
  letter-spacing: -0.04em;
  color: rgba(255,255,255,.04);
  position: absolute;
  right: 48px;
  bottom: -20px;
  pointer-events: none;
  line-height: 1;
}

.page-hero__content {
  position: relative;
  z-index: 2;
}

.page-hero__en {
  font-family: 'DM Sans', sans-serif;
  font-size: clamp(44px, 6vw, 72px);
  font-weight: 900;
  color: var(--white);
  letter-spacing: -0.03em;
  line-height: 1;
  margin-bottom: 16px;
}

.page-hero__jp {
  font-size: 16px;
  color: rgba(255,255,255,.5);
  font-weight: 400;
}

/* ── Fade In Animation ───────────────────────────────────── */
.fade-in {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}

.fade-in.visible {
  opacity: 1;
  transform: translateY(0);
}

.fade-in-delay-1 { transition-delay: 0.1s; }
.fade-in-delay-2 { transition-delay: 0.2s; }
.fade-in-delay-3 { transition-delay: 0.3s; }
.fade-in-delay-4 { transition-delay: 0.4s; }

/* ── About Page ──────────────────────────────────────────── */
.mission-section {
  padding: var(--section-pad) 0;
  background: var(--navy);
  position: relative;
  overflow: hidden;
}

.mission-quote {
  font-size: clamp(24px, 3.5vw, 42px);
  font-weight: 700;
  color: var(--white);
  line-height: 1.5;
  max-width: 800px;
  position: relative;
  z-index: 2;
  font-family: 'Noto Sans JP', sans-serif;
  letter-spacing: 0.02em;
}

.mission-quote .highlight {
  color: var(--blue);
}

.mission-sub {
  font-size: 16px;
  color: rgba(255,255,255,.5);
  margin-top: 28px;
  max-width: 560px;
  line-height: 1.9;
}

.mission-deco {
  position: absolute;
  right: 0;
  top: 0;
  bottom: 0;
  width: 40%;
  background: linear-gradient(135deg, rgba(59,130,246,.06) 0%, transparent 100%);
  clip-path: polygon(20% 0%, 100% 0%, 100% 100%, 0% 100%);
}

/* Company Table */
.company-table {
  width: 100%;
  border-collapse: collapse;
}

.company-table tr {
  border-bottom: 1px solid var(--gray-200);
}

.company-table tr:first-child {
  border-top: 1px solid var(--gray-200);
}

.company-table td {
  padding: 24px 0;
  vertical-align: top;
  font-size: 15px;
}

.company-table td:first-child {
  width: 200px;
  color: var(--gray-600);
  font-weight: 600;
  font-size: 13px;
  letter-spacing: 0.05em;
  padding-right: 40px;
}

.company-table td:last-child {
  color: var(--gray-800);
  line-height: 1.8;
}

/* Timeline */
.timeline {
  position: relative;
  padding-left: 40px;
  margin-top: 64px;
}

.timeline::before {
  content: '';
  position: absolute;
  left: 6px;
  top: 0;
  bottom: 0;
  width: 1px;
  background: linear-gradient(to bottom, var(--blue), transparent);
}

.timeline-item {
  position: relative;
  padding-bottom: 48px;
}

.timeline-item::before {
  content: '';
  position: absolute;
  left: -40px;
  top: 6px;
  width: 13px;
  height: 13px;
  border-radius: 50%;
  background: var(--blue);
  box-shadow: 0 0 0 4px rgba(59,130,246,.2);
}

.timeline-item__year {
  font-family: 'DM Sans', sans-serif;
  font-size: 13px;
  font-weight: 700;
  color: var(--blue);
  letter-spacing: 0.1em;
  margin-bottom: 8px;
}

.timeline-item h3 {
  font-size: 18px;
  font-weight: 700;
  color: var(--navy);
  margin-bottom: 8px;
}

.timeline-item p {
  font-size: 14px;
  color: var(--gray-600);
  line-height: 1.8;
}

/* ── Service Page ────────────────────────────────────────── */
.service-block {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: center;
  padding: var(--section-pad) 0;
  border-bottom: 1px solid var(--gray-200);
}

.service-block:last-child { border-bottom: none; }

.service-block--reverse { direction: rtl; }
.service-block--reverse > * { direction: ltr; }

.service-block__visual {
  height: 380px;
  border-radius: var(--radius-lg);
  position: relative;
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
}

.service-block__num {
  font-family: 'DM Sans', sans-serif;
  font-size: 120px;
  font-weight: 900;
  color: rgba(255,255,255,.08);
  position: absolute;
  bottom: -20px;
  right: 20px;
  line-height: 1;
  pointer-events: none;
}

.service-block__icon-wrap {
  width: 80px;
  height: 80px;
  background: rgba(255,255,255,.15);
  border-radius: var(--radius-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  backdrop-filter: blur(10px);
}

.service-block__icon-wrap svg {
  width: 40px;
  height: 40px;
  color: var(--white);
}

.service-block__content h2 {
  font-size: clamp(26px, 3vw, 38px);
  font-weight: 800;
  color: var(--navy);
  margin-bottom: 20px;
  line-height: 1.2;
}

.service-block__content p {
  font-size: 15px;
  color: var(--gray-600);
  line-height: 1.9;
  margin-bottom: 36px;
}

.feature-list {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.feature-item {
  display: flex;
  align-items: flex-start;
  gap: 14px;
}

.feature-item__icon {
  width: 24px;
  height: 24px;
  background: var(--blue-glow);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  margin-top: 2px;
}

.feature-item__icon svg {
  width: 12px;
  height: 12px;
  color: var(--blue);
}

.feature-item p {
  font-size: 15px;
  color: var(--gray-800);
  margin-bottom: 0;
  line-height: 1.6;
}

/* ── Works Page ──────────────────────────────────────────── */
.works-list {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 32px;
  margin-top: 64px;
}

.work-item {
  background: var(--white);
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid var(--gray-200);
  transition: var(--transition);
}

.work-item:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-lg);
  border-color: transparent;
}

.work-item__visual {
  height: 260px;
  position: relative;
  overflow: hidden;
}

.work-item__tag {
  position: absolute;
  top: 20px;
  left: 20px;
  background: rgba(255,255,255,.15);
  backdrop-filter: blur(10px);
  color: var(--white);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  padding: 7px 16px;
  border-radius: 100px;
  border: 1px solid rgba(255,255,255,.25);
}

.work-item__body {
  padding: 36px;
}

.work-item__body h3 {
  font-size: 22px;
  font-weight: 700;
  color: var(--navy);
  margin-bottom: 14px;
  line-height: 1.3;
}

.work-item__body p {
  font-size: 15px;
  color: var(--gray-600);
  line-height: 1.9;
}

.work-item__result {
  display: flex;
  gap: 32px;
  margin-top: 28px;
  padding-top: 28px;
  border-top: 1px solid var(--gray-200);
}

.work-result-num {
  font-family: 'DM Sans', sans-serif;
  font-size: 28px;
  font-weight: 700;
  color: var(--blue);
  letter-spacing: -0.02em;
  line-height: 1;
}

.work-result-label {
  font-size: 12px;
  color: var(--gray-400);
  margin-top: 4px;
}

/* ── Recruit Page ────────────────────────────────────────── */
.message-section {
  background: var(--navy);
  padding: var(--section-pad) 0;
}

.message-card {
  display: grid;
  grid-template-columns: 1fr 2fr;
  gap: 80px;
  align-items: center;
}

.message-avatar {
  width: 100%;
  aspect-ratio: 1;
  max-width: 280px;
  border-radius: var(--radius-lg);
  background: linear-gradient(135deg, var(--navy-light) 0%, #1e4080 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  overflow: hidden;
}

.message-avatar__initials {
  font-family: 'DM Sans', sans-serif;
  font-size: 64px;
  font-weight: 700;
  color: rgba(255,255,255,.2);
  letter-spacing: -0.04em;
}

.message-avatar::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 60%;
  background: linear-gradient(to top, rgba(59,130,246,.15), transparent);
}

.message-content .role {
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--blue);
  margin-bottom: 8px;
}

.message-content h2 {
  font-size: 28px;
  font-weight: 700;
  color: var(--white);
  margin-bottom: 28px;
}

.message-content p {
  font-size: 16px;
  color: rgba(255,255,255,.65);
  line-height: 1.9;
  margin-bottom: 16px;
}

.message-content .name {
  font-size: 17px;
  font-weight: 600;
  color: var(--white);
  margin-top: 32px;
}

.message-content .name-en {
  font-family: 'DM Sans', sans-serif;
  font-size: 13px;
  color: rgba(255,255,255,.4);
  margin-top: 4px;
}

/* Job Cards */
.jobs-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  margin-top: 64px;
}

.job-card {
  background: var(--white);
  border: 1px solid var(--gray-200);
  border-radius: var(--radius-lg);
  padding: 40px 36px;
  transition: var(--transition);
  position: relative;
  overflow: hidden;
}

.job-card::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: var(--blue);
  transform: scaleX(0);
  transition: transform var(--transition);
}

.job-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-lg);
  border-color: transparent;
}

.job-card:hover::after {
  transform: scaleX(1);
}

.job-card__type {
  display: inline-block;
  background: var(--blue-glow);
  color: var(--blue);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  padding: 5px 12px;
  border-radius: 100px;
  margin-bottom: 20px;
}

.job-card h3 {
  font-size: 22px;
  font-weight: 700;
  color: var(--navy);
  margin-bottom: 16px;
}

.job-card__meta {
  display: flex;
  flex-direction: column;
  gap: 10px;
  margin-bottom: 28px;
}

.job-meta-row {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 14px;
  color: var(--gray-600);
}

.job-meta-row svg {
  width: 14px;
  height: 14px;
  color: var(--blue);
  flex-shrink: 0;
}

.job-card p {
  font-size: 14px;
  color: var(--gray-600);
  line-height: 1.8;
}

/* ── Contact Page ────────────────────────────────────────── */
.contact-layout {
  display: grid;
  grid-template-columns: 1.5fr 1fr;
  gap: 80px;
  align-items: start;
}

.contact-form {
  background: var(--white);
  border-radius: var(--radius-lg);
  padding: 56px;
  border: 1px solid var(--gray-200);
  box-shadow: var(--shadow-md);
}

.contact-form h2 {
  font-size: 28px;
  font-weight: 700;
  color: var(--navy);
  margin-bottom: 8px;
}

.contact-form .sub {
  font-size: 15px;
  color: var(--gray-600);
  margin-bottom: 40px;
}

.form-group {
  margin-bottom: 24px;
}

.form-group label {
  display: block;
  font-size: 13px;
  font-weight: 600;
  color: var(--gray-800);
  margin-bottom: 8px;
  letter-spacing: 0.02em;
}

.form-group label .req {
  color: var(--blue);
  margin-left: 4px;
}

.form-group input,
.form-group textarea,
.form-group select {
  width: 100%;
  padding: 14px 18px;
  border: 1.5px solid var(--gray-200);
  border-radius: var(--radius-sm);
  font-family: var(--font-sans);
  font-size: 15px;
  color: var(--gray-800);
  background: var(--off-white);
  transition: var(--transition);
  outline: none;
  appearance: none;
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
  border-color: var(--blue);
  background: var(--white);
  box-shadow: 0 0 0 3px rgba(59,130,246,.12);
}

.form-group textarea {
  resize: vertical;
  min-height: 140px;
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
}

.form-submit {
  width: 100%;
  padding: 16px;
  background: var(--blue);
  color: var(--white);
  border: none;
  border-radius: var(--radius-sm);
  font-family: var(--font-sans);
  font-size: 16px;
  font-weight: 600;
  cursor: pointer;
  transition: var(--transition);
  margin-top: 8px;
  letter-spacing: 0.02em;
}

.form-submit:hover {
  background: var(--blue-dark);
  transform: translateY(-2px);
  box-shadow: var(--shadow-blue);
}

.contact-info {
  padding-top: 16px;
}

.contact-info h3 {
  font-size: 22px;
  font-weight: 700;
  color: var(--navy);
  margin-bottom: 32px;
}

.contact-info-item {
  display: flex;
  align-items: flex-start;
  gap: 16px;
  margin-bottom: 32px;
}

.contact-info-item__icon {
  width: 44px;
  height: 44px;
  background: var(--blue-glow);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.contact-info-item__icon svg {
  width: 20px;
  height: 20px;
  color: var(--blue);
}

.contact-info-item__text {
  font-size: 14px;
  color: var(--gray-600);
  line-height: 1.9;
}

.contact-info-item__label {
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--gray-400);
  margin-bottom: 6px;
}

.contact-info-item__val {
  font-size: 15px;
  color: var(--navy);
  font-weight: 500;
}

/* ── Keyframes ───────────────────────────────────────────── */
@keyframes rotate-slow {
  from { transform: rotate(0deg); }
  to   { transform: rotate(360deg); }
}

@keyframes pulse-dot {
  0%, 100% { opacity: 0.3; transform: scale(1); }
  50%       { opacity: 0.8; transform: scale(1.5); }
}

@keyframes scroll-line {
  0%   { opacity: 1; transform: scaleY(1); transform-origin: top; }
  50%  { opacity: 0.3; }
  100% { opacity: 1; transform: scaleY(1); }
}

@keyframes fade-up {
  from { opacity: 0; transform: translateY(24px); }
  to   { opacity: 1; transform: translateY(0); }
}

/* ── Responsive ──────────────────────────────────────────── */
@media (max-width: 768px) {
  :root { --section-pad: 72px; }

  .container { padding: 0 24px; }
  .header__inner { padding: 0 24px; }

  .header__nav,
  .header__cta .btn { display: none; }

  .hamburger { display: flex; }
  .mobile-menu { display: flex; }

  .hero__content { padding: 0 24px; padding-top: 80px; }

  .services-grid { grid-template-columns: 1fr; gap: 0; }
  .service-card { border-bottom: 1px solid var(--gray-200); }

  .stats-grid { grid-template-columns: repeat(2, 1fr); }
  .stat-item::after { display: none; }
  .stat-item {
    border-bottom: 1px solid rgba(255,255,255,.1);
    border-right: none;
  }
  .stat-item:nth-child(odd)::after {
    display: block;
    height: 60%;
    top: 20%;
  }

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

  .footer__inner { grid-template-columns: 1fr; gap: 40px; }
  .footer__bottom { flex-direction: column; gap: 12px; text-align: center; }

  .page-hero { padding: 140px 0 72px; }
  .page-hero__label { display: none; }

  .service-block { grid-template-columns: 1fr; gap: 48px; }
  .service-block--reverse { direction: ltr; }

  .works-list { grid-template-columns: 1fr; }

  .message-card { grid-template-columns: 1fr; }
  .message-avatar { max-width: 180px; }

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

  .contact-layout { grid-template-columns: 1fr; gap: 48px; }
  .contact-form { padding: 32px 24px; }
  .form-row { grid-template-columns: 1fr; }

  .hero__title { font-size: clamp(36px, 9vw, 60px); }
  .cta-actions { flex-direction: column; align-items: center; }

  .hero__geo-ring { display: none; }
}

@media (max-width: 480px) {
  .hero__actions { flex-direction: column; align-items: flex-start; }
}