/* ========================================
   SMART HOME - IoT Construction Company
   Color: Dark Navy #0D1B2A + Cyan #00D4FF
   ======================================== */

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

:root {
  --navy: #0D1B2A;
  --navy-light: #1B2D45;
  --navy-mid: #142236;
  --cyan: #00D4FF;
  --cyan-dim: rgba(0, 212, 255, 0.15);
  --cyan-glow: rgba(0, 212, 255, 0.3);
  --white: #FFFFFF;
  --gray-100: #F0F4F8;
  --gray-200: #D9E2EC;
  --gray-300: #BCCCDC;
  --gray-400: #9FB3C8;
  --gray-500: #829AB1;
  --gray-600: #627D98;
  --text-primary: #FFFFFF;
  --text-secondary: rgba(255, 255, 255, 0.7);
  --text-muted: rgba(255, 255, 255, 0.5);
  --font-en: 'Space Grotesk', 'Inter', sans-serif;
  --font-jp: 'Noto Sans JP', sans-serif;
  --radius: 12px;
  --radius-sm: 8px;
  --radius-lg: 20px;
  --shadow: 0 4px 30px rgba(0, 0, 0, 0.3);
  --glass-bg: rgba(13, 27, 42, 0.6);
  --glass-border: rgba(0, 212, 255, 0.15);
  --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

html {
  scroll-behavior: smooth;
  font-size: 16px;
}

body {
  font-family: var(--font-jp);
  background: var(--navy);
  color: var(--text-primary);
  line-height: 1.8;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

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

a {
  color: var(--cyan);
  text-decoration: none;
  transition: var(--transition);
}

a:hover {
  opacity: 0.8;
}

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}

/* Sample Banner */
.sample-banner {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 10000;
  background: var(--cyan);
  color: var(--navy);
  text-align: center;
  padding: 8px 16px;
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.02em;
}

.sample-banner a {
  color: var(--navy);
  text-decoration: underline;
  font-weight: 700;
}

/* Header */
.header {
  position: fixed;
  top: 33px;
  left: 0;
  right: 0;
  z-index: 1000;
  padding: 0 24px;
  transition: var(--transition);
}

.header.scrolled {
  background: rgba(13, 27, 42, 0.95);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--glass-border);
}

.header-inner {
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
}

.logo {
  display: flex;
  align-items: center;
  gap: 10px;
  color: var(--white);
}

.logo:hover {
  opacity: 1;
}

.logo-icon {
  flex-shrink: 0;
}

.logo-text {
  display: flex;
  flex-direction: column;
  line-height: 1.2;
}

.logo-main {
  font-family: var(--font-en);
  font-size: 18px;
  font-weight: 700;
  letter-spacing: 0.08em;
  color: var(--white);
}

.logo-sub {
  font-size: 10px;
  color: var(--text-muted);
  letter-spacing: 0.15em;
}

.nav-desktop {
  display: flex;
  align-items: center;
  gap: 32px;
}

.nav-desktop a {
  color: var(--text-secondary);
  font-size: 14px;
  font-weight: 500;
  letter-spacing: 0.02em;
  transition: var(--transition);
  position: relative;
}

.nav-desktop a:hover {
  color: var(--white);
  opacity: 1;
}

.nav-desktop a::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0;
  height: 1px;
  background: var(--cyan);
  transition: var(--transition);
}

.nav-desktop a:hover::after {
  width: 100%;
}

.nav-cta {
  background: var(--cyan) !important;
  color: var(--navy) !important;
  padding: 8px 20px;
  border-radius: 6px;
  font-weight: 600 !important;
}

.nav-cta:hover {
  background: #33DDFF !important;
}

.nav-cta::after {
  display: none !important;
}

.hamburger {
  display: none;
  flex-direction: column;
  gap: 6px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 8px;
  z-index: 1001;
}

.hamburger span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--white);
  transition: var(--transition);
  border-radius: 1px;
}

.hamburger.active span:nth-child(1) {
  transform: rotate(45deg) translate(5px, 6px);
}

.hamburger.active span:nth-child(2) {
  opacity: 0;
}

.hamburger.active span:nth-child(3) {
  transform: rotate(-45deg) translate(5px, -6px);
}

/* Mobile Nav */
.mobile-nav {
  position: fixed;
  top: 0;
  right: -100%;
  width: 100%;
  height: 100vh;
  background: rgba(13, 27, 42, 0.98);
  backdrop-filter: blur(30px);
  -webkit-backdrop-filter: blur(30px);
  z-index: 999;
  transition: right 0.4s cubic-bezier(0.4, 0, 0.2, 1);
  display: flex;
  align-items: center;
  justify-content: center;
}

.mobile-nav.active {
  right: 0;
}

.mobile-nav-inner {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 32px;
}

.mobile-nav-link {
  font-size: 20px;
  font-weight: 500;
  color: var(--text-secondary);
  transition: var(--transition);
}

.mobile-nav-link:hover {
  color: var(--cyan);
}

.mobile-nav-cta {
  margin-top: 16px;
  background: var(--cyan);
  color: var(--navy) !important;
  padding: 14px 40px;
  border-radius: var(--radius-sm);
  font-weight: 600;
}

/* Hero */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding-top: 105px;
  overflow: hidden;
}

.hero-bg {
  position: absolute;
  inset: 0;
  z-index: 0;
}

.hero-bg img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
}

.hero-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(
    135deg,
    rgba(13, 27, 42, 0.92) 0%,
    rgba(13, 27, 42, 0.75) 50%,
    rgba(13, 27, 42, 0.85) 100%
  );
}

.hero-grid-pattern {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(0, 212, 255, 0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(0, 212, 255, 0.03) 1px, transparent 1px);
  background-size: 60px 60px;
}

.hero-content {
  position: relative;
  z-index: 1;
  text-align: center;
  max-width: 800px;
  padding: 0 24px;
}

.hero-label {
  font-family: var(--font-en);
  font-size: 14px;
  font-weight: 500;
  color: var(--cyan);
  letter-spacing: 0.2em;
  text-transform: uppercase;
  margin-bottom: 24px;
}

.hero-title {
  font-size: clamp(36px, 7vw, 72px);
  font-weight: 700;
  line-height: 1.3;
  margin-bottom: 24px;
  letter-spacing: 0.04em;
}

.hero-desc {
  font-size: 16px;
  color: var(--text-secondary);
  line-height: 2;
  margin-bottom: 40px;
}

.hero-actions {
  display: flex;
  gap: 16px;
  justify-content: center;
  flex-wrap: wrap;
  margin-bottom: 60px;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 14px 36px;
  border-radius: var(--radius-sm);
  font-size: 15px;
  font-weight: 600;
  letter-spacing: 0.04em;
  transition: var(--transition);
  cursor: pointer;
  border: none;
}

.btn-primary {
  background: var(--cyan);
  color: var(--navy);
}

.btn-primary:hover {
  background: #33DDFF;
  color: var(--navy);
  transform: translateY(-2px);
  box-shadow: 0 8px 30px rgba(0, 212, 255, 0.3);
}

.btn-outline {
  background: transparent;
  color: var(--white);
  border: 1px solid rgba(255, 255, 255, 0.3);
}

.btn-outline:hover {
  border-color: var(--cyan);
  color: var(--cyan);
  transform: translateY(-2px);
}

.btn-full {
  width: 100%;
}

.hero-stats {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 40px;
}

.hero-stat {
  text-align: center;
}

.hero-stat-num {
  font-family: var(--font-en);
  font-size: 36px;
  font-weight: 700;
  color: var(--cyan);
}

.hero-stat-unit {
  font-family: var(--font-en);
  font-size: 16px;
  color: var(--cyan);
  margin-left: 2px;
}

.hero-stat-label {
  display: block;
  font-size: 12px;
  color: var(--text-muted);
  margin-top: 4px;
}

.hero-stat-divider {
  width: 1px;
  height: 40px;
  background: rgba(255, 255, 255, 0.15);
}

.hero-scroll {
  position: absolute;
  bottom: 40px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  z-index: 1;
}

.hero-scroll span {
  font-family: var(--font-en);
  font-size: 11px;
  letter-spacing: 0.15em;
  color: var(--text-muted);
  text-transform: uppercase;
}

.hero-scroll-line {
  width: 1px;
  height: 40px;
  background: linear-gradient(to bottom, var(--cyan), transparent);
  animation: scrollLine 2s ease-in-out infinite;
}

@keyframes scrollLine {
  0%, 100% { opacity: 0.3; transform: scaleY(0.5); }
  50% { opacity: 1; transform: scaleY(1); }
}

/* Section Common */
.section {
  padding: 120px 0;
  position: relative;
}

.section-label {
  font-family: var(--font-en);
  font-size: 13px;
  font-weight: 600;
  color: var(--cyan);
  letter-spacing: 0.2em;
  text-transform: uppercase;
  margin-bottom: 16px;
}

.section-title {
  font-size: clamp(28px, 4vw, 42px);
  font-weight: 700;
  line-height: 1.4;
  margin-bottom: 60px;
  letter-spacing: 0.02em;
}

/* About */
.about {
  background: var(--navy);
}

.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: start;
}

.about-visual {
  display: flex;
  flex-direction: column;
  gap: 40px;
}

.about-icon-card {
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-lg);
  padding: 48px;
  text-align: center;
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
}

.about-icon-label {
  font-family: var(--font-en);
  font-size: 14px;
  color: var(--cyan);
  letter-spacing: 0.15em;
  margin-top: 20px;
  text-transform: uppercase;
}

.about-timeline {
  display: flex;
  flex-direction: column;
  gap: 0;
  position: relative;
  padding-left: 20px;
}

.about-timeline::before {
  content: '';
  position: absolute;
  left: 0;
  top: 8px;
  bottom: 8px;
  width: 2px;
  background: rgba(0, 212, 255, 0.2);
}

.about-timeline-item {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 12px 0;
  position: relative;
}

.about-timeline-item::before {
  content: '';
  position: absolute;
  left: -24px;
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--navy-light);
  border: 2px solid rgba(0, 212, 255, 0.4);
}

.about-timeline-item.active::before {
  background: var(--cyan);
  border-color: var(--cyan);
  box-shadow: 0 0 12px var(--cyan-glow);
}

.about-year {
  font-family: var(--font-en);
  font-size: 14px;
  font-weight: 700;
  color: var(--cyan);
  min-width: 48px;
}

.about-event {
  font-size: 14px;
  color: var(--text-secondary);
}

.about-timeline-item.active .about-event {
  color: var(--white);
  font-weight: 500;
}

.about-text h3 {
  font-size: 14px;
  color: var(--text-muted);
  font-weight: 400;
  margin-bottom: 8px;
}

.about-name {
  font-size: 24px !important;
  font-weight: 700 !important;
  color: var(--white) !important;
  margin-bottom: 24px !important;
}

.about-age {
  font-size: 16px;
  font-weight: 400;
  color: var(--text-muted);
  margin-left: 4px;
}

.about-lead {
  font-size: 18px;
  font-weight: 500;
  color: var(--cyan);
  line-height: 1.8;
  margin-bottom: 24px;
  padding-left: 20px;
  border-left: 3px solid var(--cyan);
}

.about-text p {
  font-size: 15px;
  color: var(--text-secondary);
  margin-bottom: 16px;
  line-height: 2;
}

.about-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 24px;
}

.tag {
  display: inline-block;
  padding: 6px 16px;
  background: var(--cyan-dim);
  color: var(--cyan);
  border-radius: 50px;
  font-size: 13px;
  font-weight: 500;
  border: 1px solid rgba(0, 212, 255, 0.2);
}

/* Technology */
.technology {
  background: var(--navy-mid);
  position: relative;
}

.technology::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(0, 212, 255, 0.02) 1px, transparent 1px),
    linear-gradient(90deg, rgba(0, 212, 255, 0.02) 1px, transparent 1px);
  background-size: 40px 40px;
  pointer-events: none;
}

.tech-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  position: relative;
  z-index: 1;
}

.tech-card {
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius);
  overflow: hidden;
  transition: var(--transition);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
}

.tech-card:hover {
  transform: translateY(-4px);
  border-color: rgba(0, 212, 255, 0.4);
  box-shadow: 0 8px 40px rgba(0, 212, 255, 0.1);
}

.tech-card-inner {
  padding: 36px 28px;
}

.tech-icon {
  width: 48px;
  height: 48px;
  margin-bottom: 20px;
}

.tech-title {
  font-size: 20px;
  font-weight: 700;
  margin-bottom: 12px;
  display: flex;
  align-items: baseline;
  gap: 10px;
}

.tech-title span {
  font-size: 12px;
  color: var(--text-muted);
  font-weight: 400;
}

.tech-card p {
  font-size: 14px;
  color: var(--text-secondary);
  line-height: 1.9;
  margin-bottom: 20px;
}

.tech-metric {
  display: flex;
  align-items: baseline;
  gap: 8px;
  padding-top: 16px;
  border-top: 1px solid rgba(0, 212, 255, 0.1);
}

.tech-metric-value {
  font-family: var(--font-en);
  font-size: 24px;
  font-weight: 700;
  color: var(--cyan);
}

.tech-metric-label {
  font-size: 12px;
  color: var(--text-muted);
}

/* Works */
.works {
  background: var(--navy);
}

.works-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}

.work-card {
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius);
  overflow: hidden;
  transition: var(--transition);
}

.work-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 12px 40px rgba(0, 0, 0, 0.3);
}

.work-image {
  position: relative;
  height: 240px;
  overflow: hidden;
}

.work-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.6s ease;
}

.work-card:hover .work-image img {
  transform: scale(1.05);
}

.work-overlay {
  position: absolute;
  bottom: 12px;
  left: 12px;
}

.work-tag {
  display: inline-block;
  padding: 6px 14px;
  background: rgba(0, 212, 255, 0.9);
  color: var(--navy);
  border-radius: 4px;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.02em;
}

.work-info {
  padding: 24px;
}

.work-info h3 {
  font-family: var(--font-en);
  font-size: 13px;
  color: var(--cyan);
  letter-spacing: 0.15em;
  margin-bottom: 8px;
}

.work-title {
  font-size: 18px;
  font-weight: 700;
  margin-bottom: 8px;
  color: var(--white);
}

.work-detail {
  font-size: 13px;
  color: var(--text-muted);
  margin-bottom: 12px;
}

.work-desc {
  font-size: 14px;
  color: var(--text-secondary);
  line-height: 1.8;
}

/* Numbers */
.numbers {
  background: var(--navy-mid);
  position: relative;
  overflow: hidden;
}

.numbers::before {
  content: '';
  position: absolute;
  width: 600px;
  height: 600px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(0, 212, 255, 0.05), transparent 70%);
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  pointer-events: none;
}

.numbers-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  position: relative;
  z-index: 1;
}

.number-card {
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius);
  padding: 40px 28px;
  text-align: center;
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  transition: var(--transition);
}

.number-card:hover {
  border-color: rgba(0, 212, 255, 0.4);
}

.number-value {
  margin-bottom: 8px;
}

.number-value .counter {
  font-family: var(--font-en);
  font-size: 48px;
  font-weight: 700;
  color: var(--cyan);
}

.number-unit {
  font-family: var(--font-en);
  font-size: 20px;
  color: var(--cyan);
  margin-left: 2px;
}

.number-label {
  font-size: 15px;
  font-weight: 600;
  margin-bottom: 8px;
  color: var(--white);
}

.number-desc {
  font-size: 13px;
  color: var(--text-muted);
  line-height: 1.6;
}

/* Process */
.process {
  background: var(--navy);
}

.process-timeline {
  max-width: 700px;
  margin: 0 auto;
  position: relative;
}

.process-timeline::before {
  content: '';
  position: absolute;
  left: 36px;
  top: 0;
  bottom: 0;
  width: 2px;
  background: linear-gradient(to bottom, var(--cyan), rgba(0, 212, 255, 0.1));
}

.process-item {
  display: flex;
  gap: 32px;
  padding-bottom: 48px;
  position: relative;
}

.process-item:last-child {
  padding-bottom: 0;
}

.process-number {
  font-family: var(--font-en);
  font-size: 18px;
  font-weight: 700;
  color: var(--cyan);
  width: 72px;
  height: 72px;
  min-width: 72px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--navy);
  border: 2px solid var(--cyan);
  border-radius: 50%;
  position: relative;
  z-index: 1;
}

.process-content {
  padding-top: 12px;
}

.process-content h3 {
  font-size: 20px;
  font-weight: 700;
  margin-bottom: 8px;
  color: var(--white);
}

.process-content p {
  font-size: 14px;
  color: var(--text-secondary);
  line-height: 1.9;
  margin-bottom: 12px;
}

.process-period {
  display: inline-block;
  padding: 4px 14px;
  background: var(--cyan-dim);
  color: var(--cyan);
  border-radius: 50px;
  font-size: 12px;
  font-weight: 600;
  border: 1px solid rgba(0, 212, 255, 0.2);
}

/* FAQ */
.faq {
  background: var(--navy-mid);
}

.faq-list {
  max-width: 800px;
  margin: 0 auto;
}

.faq-item {
  border-bottom: 1px solid rgba(0, 212, 255, 0.1);
}

.faq-item:first-child {
  border-top: 1px solid rgba(0, 212, 255, 0.1);
}

.faq-question {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 24px 0;
  background: none;
  border: none;
  color: var(--white);
  font-size: 16px;
  font-weight: 600;
  text-align: left;
  cursor: pointer;
  font-family: var(--font-jp);
  transition: var(--transition);
}

.faq-question:hover {
  color: var(--cyan);
}

.faq-arrow {
  flex-shrink: 0;
  transition: transform 0.3s ease;
  color: var(--cyan);
}

.faq-item.active .faq-arrow {
  transform: rotate(180deg);
}

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.4s ease, padding 0.4s ease;
}

.faq-item.active .faq-answer {
  max-height: 400px;
}

.faq-answer p {
  padding: 0 0 24px;
  font-size: 14px;
  color: var(--text-secondary);
  line-height: 2;
}

/* Company */
.company {
  background: var(--navy);
}

.company-table {
  max-width: 800px;
}

.company-row {
  display: flex;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.company-th {
  width: 180px;
  min-width: 180px;
  padding: 20px 24px;
  font-size: 14px;
  font-weight: 600;
  color: var(--cyan);
  background: rgba(0, 212, 255, 0.03);
}

.company-td {
  flex: 1;
  padding: 20px 24px;
  font-size: 14px;
  color: var(--text-secondary);
}

/* Contact */
.contact {
  background: var(--navy-mid);
}

.contact-desc {
  font-size: 15px;
  color: var(--text-secondary);
  margin-top: -40px;
  margin-bottom: 60px;
  line-height: 2;
}

.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1.5fr;
  gap: 60px;
  align-items: start;
}

.contact-info-card {
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius);
  padding: 36px;
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
}

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

.contact-info-item + .contact-info-item {
  margin-top: 32px;
  padding-top: 32px;
  border-top: 1px solid rgba(0, 212, 255, 0.1);
}

.contact-info-icon {
  width: 48px;
  height: 48px;
  min-width: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--cyan-dim);
  border-radius: var(--radius-sm);
}

.contact-info-label {
  font-size: 12px;
  color: var(--text-muted);
  margin-bottom: 4px;
}

.contact-info-value {
  font-size: 18px;
  font-weight: 700;
  color: var(--white);
  margin-bottom: 4px;
}

.contact-info-note {
  font-size: 12px;
  color: var(--text-muted);
}

.contact-form {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

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

.form-group label {
  display: block;
  font-size: 14px;
  font-weight: 500;
  margin-bottom: 8px;
  color: var(--text-secondary);
}

.required {
  color: var(--cyan);
  font-size: 12px;
}

.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  padding: 14px 16px;
  background: rgba(13, 27, 42, 0.8);
  border: 1px solid rgba(0, 212, 255, 0.2);
  border-radius: var(--radius-sm);
  color: var(--white);
  font-size: 15px;
  font-family: var(--font-jp);
  transition: var(--transition);
  outline: none;
}

.form-group input::placeholder,
.form-group textarea::placeholder {
  color: var(--text-muted);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  border-color: var(--cyan);
  box-shadow: 0 0 0 3px rgba(0, 212, 255, 0.1);
}

.form-group select {
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 24 24' width='18' height='18' fill='none' stroke='%2300D4FF' stroke-width='2' xmlns='http://www.w3.org/2000/svg'%3E%3Cpolyline points='6 9 12 15 18 9'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 14px center;
  padding-right: 44px;
}

.form-group select option {
  background: var(--navy);
  color: var(--white);
}

.form-group textarea {
  resize: vertical;
  min-height: 120px;
}

/* Footer */
.footer {
  background: #060E18;
  padding: 60px 0 0;
}

.footer-top {
  display: flex;
  justify-content: space-between;
  gap: 60px;
  padding-bottom: 40px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.footer-brand {
  max-width: 360px;
}

.footer-brand .logo {
  margin-bottom: 16px;
}

.footer-desc {
  font-size: 13px;
  color: var(--text-muted);
  line-height: 1.8;
}

.footer-links {
  display: flex;
  gap: 60px;
}

.footer-col {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.footer-col h4 {
  font-family: var(--font-en);
  font-size: 13px;
  font-weight: 600;
  color: var(--cyan);
  letter-spacing: 0.1em;
  margin-bottom: 4px;
}

.footer-col a {
  font-size: 14px;
  color: var(--text-muted);
}

.footer-col a:hover {
  color: var(--white);
}

.footer-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 24px 0;
}

.footer-bottom p {
  font-size: 12px;
  color: var(--text-muted);
}

.footer-bottom a {
  color: var(--cyan);
}

/* Animations */
.anim-fade {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}

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

/* Responsive */
@media (max-width: 1024px) {
  .tech-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .works-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .works-grid .work-card:last-child {
    grid-column: span 2;
  }

  .numbers-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .about-grid {
    grid-template-columns: 1fr;
    gap: 48px;
  }

  .contact-grid {
    grid-template-columns: 1fr;
    gap: 40px;
  }
}

@media (max-width: 768px) {
  .sample-banner {
    font-size: 11px;
    padding: 6px 12px;
  }

  .header {
    top: 29px;
  }

  .header-inner {
    height: 60px;
  }

  .nav-desktop {
    display: none;
  }

  .hamburger {
    display: flex;
  }

  .hero {
    padding-top: 89px;
    min-height: 100svh;
  }

  .hero-stats {
    gap: 20px;
  }

  .hero-stat-num {
    font-size: 28px;
  }

  .hero-stat-label {
    font-size: 11px;
  }

  .section {
    padding: 80px 0;
  }

  .section-title {
    margin-bottom: 40px;
  }

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

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

  .works-grid .work-card:last-child {
    grid-column: span 1;
  }

  .numbers-grid {
    grid-template-columns: 1fr 1fr;
    gap: 16px;
  }

  .number-card {
    padding: 28px 16px;
  }

  .number-value .counter {
    font-size: 36px;
  }

  .process-timeline::before {
    left: 28px;
  }

  .process-number {
    width: 56px;
    height: 56px;
    min-width: 56px;
    font-size: 15px;
  }

  .process-item {
    gap: 20px;
  }

  .company-row {
    flex-direction: column;
  }

  .company-th {
    width: 100%;
    min-width: 100%;
    padding: 14px 20px 4px;
    background: transparent;
  }

  .company-td {
    padding: 4px 20px 14px;
  }

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

  .footer-top {
    flex-direction: column;
    gap: 40px;
  }

  .footer-links {
    gap: 40px;
  }

  .footer-bottom {
    flex-direction: column;
    gap: 8px;
    text-align: center;
  }

  .contact-desc {
    margin-top: -24px;
    margin-bottom: 40px;
  }

  .contact-desc br {
    display: none;
  }
}

@media (max-width: 480px) {
  .hero-stats {
    flex-direction: column;
    gap: 16px;
  }

  .hero-stat-divider {
    width: 40px;
    height: 1px;
  }

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

  .hero-actions {
    flex-direction: column;
    align-items: center;
  }

  .hero-actions .btn {
    width: 100%;
    max-width: 280px;
  }
}