/* ============================================
   TSUNAGUサイトビルダー - Style System
   ============================================ */

/* --- CSS Variables --- */
:root {
  --primary: #0A0A0A;
  --secondary: #1A1A2E;
  --accent-start: #FF6B00;
  --accent-end: #FF9500;
  --accent-gradient: linear-gradient(135deg, var(--accent-start), var(--accent-end));
  --surface: #FFF8F0;
  --white: #FFFFFF;
  --text-dark: #333333;
  --text-light: #FFFFFF;
  --muted: #6C757D;
  --border: #E0E0E0;
  --shadow: 0 2px 20px rgba(0,0,0,0.08);
  --shadow-lg: 0 8px 40px rgba(0,0,0,0.12);
  --radius: 12px;
  --radius-sm: 8px;
  --max-width: 1200px;
  --header-height: 72px;
  --section-padding: 100px 0;
  --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

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

html {
  font-size: 16px;
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: 'Noto Sans JP', 'Inter', sans-serif;
  color: var(--text-dark);
  background: var(--white);
  line-height: 1.8;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

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

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

ul, ol {
  list-style: none;
}

button {
  border: none;
  background: none;
  cursor: pointer;
  font-family: inherit;
}

/* --- Typography --- */
h1, h2, h3, h4, h5, h6 {
  font-weight: 700;
  line-height: 1.3;
}

h1 {
  font-size: 3rem;
  letter-spacing: -0.02em;
}

h2 {
  font-size: 2.2rem;
  letter-spacing: -0.01em;
}

h3 {
  font-size: 1.5rem;
}

h4 {
  font-size: 1.2rem;
}

p {
  line-height: 1.8;
}

.en {
  font-family: 'Inter', sans-serif;
}

/* --- Layout --- */
.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 24px;
}

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

.section--dark {
  background: var(--primary);
  color: var(--text-light);
}

.section--secondary {
  background: var(--secondary);
  color: var(--text-light);
}

.section--surface {
  background: var(--surface);
}

.section-header {
  text-align: center;
  margin-bottom: 60px;
}

.section-header h2 {
  margin-bottom: 16px;
}

.section-header p {
  color: var(--muted);
  font-size: 1.1rem;
  max-width: 600px;
  margin: 0 auto;
}

.section--dark .section-header p,
.section--secondary .section-header p {
  color: rgba(255,255,255,0.7);
}

/* --- Gradient Text --- */
.gradient-text {
  background: var(--accent-gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

/* --- Buttons --- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 14px 32px;
  border-radius: 50px;
  font-size: 1rem;
  font-weight: 600;
  transition: all var(--transition);
  gap: 8px;
}

.btn--primary {
  background: var(--accent-gradient);
  color: var(--white);
  box-shadow: 0 4px 20px rgba(255, 107, 0, 0.3);
}

.btn--primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 30px rgba(255, 107, 0, 0.5);
}

.btn--outline {
  border: 2px solid rgba(255,255,255,0.3);
  color: var(--white);
  background: transparent;
}

.btn--outline:hover {
  border-color: var(--white);
  background: rgba(255,255,255,0.1);
}

.btn--outline-dark {
  border: 2px solid var(--border);
  color: var(--text-dark);
}

.btn--outline-dark:hover {
  border-color: var(--accent-start);
  color: var(--accent-start);
}

.btn--large {
  padding: 18px 48px;
  font-size: 1.1rem;
}

.btn-group {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
}

/* --- Header --- */
.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  background: rgba(10, 10, 10, 0.9);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  transition: box-shadow var(--transition);
  height: var(--header-height);
}

.header--scrolled {
  box-shadow: 0 2px 20px rgba(0,0,0,0.3);
}

.header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 24px;
}

.header__logo {
  display: flex;
  align-items: center;
  gap: 10px;
  color: var(--white);
  font-weight: 700;
  font-size: 1.2rem;
  z-index: 1001;
}

.header__logo svg {
  width: 32px;
  height: 32px;
}

.header__logo-text span {
  font-size: 0.7rem;
  font-weight: 400;
  display: block;
  opacity: 0.6;
  line-height: 1;
  margin-top: 2px;
}

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

.header__nav a {
  color: rgba(255,255,255,0.7);
  font-size: 0.95rem;
  font-weight: 500;
  transition: color var(--transition);
  position: relative;
}

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

.header__nav a::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--accent-gradient);
  transition: width var(--transition);
}

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

.header__cta {
  display: flex;
  align-items: center;
  gap: 16px;
}

.header__cta .btn {
  padding: 10px 24px;
  font-size: 0.9rem;
}

/* Hamburger */
.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  width: 28px;
  padding: 4px 0;
  z-index: 1001;
}

.hamburger span {
  display: block;
  width: 100%;
  height: 2px;
  background: var(--white);
  transition: all var(--transition);
  border-radius: 2px;
}

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

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

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

/* Mobile Nav */
.mobile-nav {
  display: none;
  position: fixed;
  top: 0;
  right: -100%;
  width: 80%;
  max-width: 360px;
  height: 100vh;
  background: var(--secondary);
  padding: 100px 40px 40px;
  transition: right var(--transition);
  z-index: 999;
}

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

.mobile-nav a {
  display: block;
  color: rgba(255,255,255,0.8);
  font-size: 1.1rem;
  padding: 16px 0;
  border-bottom: 1px solid rgba(255,255,255,0.1);
  transition: color var(--transition);
}

.mobile-nav a:hover {
  color: var(--white);
}

.mobile-nav .btn {
  margin-top: 24px;
  width: 100%;
}

.mobile-overlay {
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0,0,0,0.5);
  z-index: 998;
  opacity: 0;
  transition: opacity var(--transition);
}

.mobile-overlay.active {
  opacity: 1;
}

/* --- Hero --- */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  background: var(--primary);
  color: var(--text-light);
  overflow: hidden;
  padding-top: var(--header-height);
}

.hero__content {
  position: relative;
  z-index: 2;
  max-width: 640px;
}

.hero__badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 16px;
  background: rgba(255, 107, 0, 0.15);
  border: 1px solid rgba(255, 107, 0, 0.3);
  border-radius: 50px;
  font-size: 0.85rem;
  color: var(--accent-start);
  margin-bottom: 24px;
}

.hero__badge::before {
  content: '';
  width: 8px;
  height: 8px;
  background: var(--accent-start);
  border-radius: 50%;
  animation: pulse 2s infinite;
}

@keyframes pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.3; }
}

.hero h1 {
  font-size: clamp(2.5rem, 5vw, 3.5rem);
  margin-bottom: 20px;
  line-height: 1.2;
}

.hero__lead {
  display: inline-flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  font-size: clamp(1.35rem, 2.6vw, 1.8rem);
  font-weight: 700;
  line-height: 1.5;
  color: rgba(255,255,255,0.96);
  margin-bottom: 18px;
}

.hero__lead span {
  background: rgba(255, 107, 0, 0.14);
  border: 1px solid rgba(255, 107, 0, 0.35);
  border-radius: 999px;
  padding: 4px 14px;
  box-shadow: 0 10px 30px rgba(255, 107, 0, 0.12);
}

.hero__sub {
  font-size: 1.15rem;
  color: rgba(255,255,255,0.7);
  margin-bottom: 40px;
  line-height: 1.8;
}

.hero__inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
}

/* Hero Mockup */
.hero__mockup {
  position: relative;
  z-index: 2;
}

.mockup-window {
  background: #1E1E2E;
  border-radius: 12px;
  overflow: hidden;
  box-shadow: 0 20px 60px rgba(0,0,0,0.5);
  border: 1px solid rgba(255,255,255,0.1);
}

.mockup-titlebar {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 12px 16px;
  background: rgba(255,255,255,0.05);
  border-bottom: 1px solid rgba(255,255,255,0.05);
}

.mockup-dot {
  width: 12px;
  height: 12px;
  border-radius: 50%;
}

.mockup-dot--red { background: #FF5F57; }
.mockup-dot--yellow { background: #FFBD2E; }
.mockup-dot--green { background: #28C840; }

.mockup-titlebar-text {
  flex: 1;
  text-align: center;
  font-size: 0.75rem;
  color: rgba(255,255,255,0.4);
}

.mockup-body {
  padding: 24px;
  min-height: 300px;
  position: relative;
}

.mockup-sidebar {
  position: absolute;
  left: 0;
  top: 0;
  width: 48px;
  height: 100%;
  background: rgba(255,255,255,0.03);
  border-right: 1px solid rgba(255,255,255,0.05);
  display: flex;
  flex-direction: column;
  align-items: center;
  padding-top: 16px;
  gap: 16px;
}

.mockup-sidebar-icon {
  width: 24px;
  height: 24px;
  border-radius: 6px;
  background: rgba(255,255,255,0.08);
}

.mockup-sidebar-icon.active {
  background: var(--accent-gradient);
}

.mockup-canvas {
  margin-left: 60px;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.mockup-element {
  border-radius: 6px;
  animation: mockupShimmer 3s ease-in-out infinite;
}

.mockup-element--header {
  height: 12px;
  width: 70%;
  background: var(--accent-gradient);
  opacity: 0.8;
}

.mockup-element--text {
  height: 8px;
  width: 90%;
  background: rgba(255,255,255,0.15);
}

.mockup-element--text-short {
  height: 8px;
  width: 60%;
  background: rgba(255,255,255,0.1);
}

.mockup-element--image {
  height: 80px;
  width: 100%;
  background: linear-gradient(135deg, rgba(255,107,0,0.2), rgba(255,149,0,0.2));
  border: 1px solid rgba(255,255,255,0.05);
}

.mockup-element--button {
  height: 32px;
  width: 120px;
  background: var(--accent-gradient);
  border-radius: 16px;
  margin-top: 8px;
}

@keyframes mockupShimmer {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.6; }
}

.mockup-ai-cursor {
  position: absolute;
  right: 40px;
  bottom: 60px;
  display: flex;
  align-items: center;
  gap: 8px;
}

.mockup-ai-cursor svg {
  width: 20px;
  height: 20px;
  animation: cursorFloat 2s ease-in-out infinite;
}

.mockup-ai-cursor span {
  background: var(--accent-gradient);
  color: white;
  font-size: 0.7rem;
  padding: 4px 12px;
  border-radius: 12px;
  font-weight: 600;
  white-space: nowrap;
}

@keyframes cursorFloat {
  0%, 100% { transform: translate(0, 0); }
  50% { transform: translate(-5px, -8px); }
}

/* Hero background effects */
.hero__bg {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  z-index: 1;
  overflow: hidden;
}

.hero__bg-orb {
  position: absolute;
  border-radius: 50%;
  filter: blur(100px);
  opacity: 0.15;
}

.hero__bg-orb--1 {
  width: 600px;
  height: 600px;
  background: var(--accent-start);
  top: -200px;
  right: -100px;
}

.hero__bg-orb--2 {
  width: 400px;
  height: 400px;
  background: var(--accent-end);
  bottom: -100px;
  left: -100px;
}

.hero__bg-grid {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-image:
    linear-gradient(rgba(255,255,255,0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.03) 1px, transparent 1px);
  background-size: 60px 60px;
}

/* --- News Section --- */
.news {
  padding: 60px 0;
  border-bottom: 1px solid var(--border);
}

.news__inner {
  display: flex;
  align-items: flex-start;
  gap: 40px;
}

.news__label {
  font-weight: 700;
  font-size: 0.9rem;
  color: var(--accent-start);
  white-space: nowrap;
  padding-top: 4px;
  flex-shrink: 0;
}

.news__list {
  flex: 1;
}

.news__item {
  display: flex;
  align-items: center;
  gap: 20px;
  padding: 8px 0;
}

.news__item + .news__item {
  border-top: 1px solid var(--border);
  margin-top: 8px;
  padding-top: 16px;
}

.news__date {
  font-size: 0.85rem;
  color: var(--muted);
  font-family: 'Inter', sans-serif;
  flex-shrink: 0;
}

.news__title {
  font-size: 0.95rem;
}

.news__title a:hover {
  color: var(--accent-start);
}

/* --- Feature Cards --- */
.features-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
}

.feature-card {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 40px 32px;
  transition: all var(--transition);
  position: relative;
  overflow: hidden;
}

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

.feature-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
}

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

.feature-card__icon {
  width: 56px;
  height: 56px;
  background: linear-gradient(135deg, rgba(255,107,0,0.1), rgba(255,149,0,0.1));
  border-radius: 14px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 24px;
}

.feature-card__icon svg {
  width: 28px;
  height: 28px;
  stroke: var(--accent-start);
}

.feature-card h3 {
  margin-bottom: 12px;
  font-size: 1.25rem;
}

.feature-card p {
  color: var(--muted);
  font-size: 0.95rem;
  margin-bottom: 20px;
}

.feature-card__link {
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--accent-start);
  display: inline-flex;
  align-items: center;
  gap: 6px;
  transition: gap var(--transition);
}

.feature-card__link:hover {
  gap: 10px;
}

/* --- Usecase --- */
.usecase-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.usecase-card {
  background: rgba(255,255,255,0.05);
  border: 1px solid rgba(255,255,255,0.1);
  border-radius: var(--radius);
  padding: 32px 24px;
  text-align: center;
  transition: all var(--transition);
}

.usecase-card:hover {
  background: rgba(255,255,255,0.08);
  transform: translateY(-4px);
  border-color: rgba(255, 107, 0, 0.3);
}

.usecase-card__icon {
  width: 64px;
  height: 64px;
  margin: 0 auto 20px;
  background: var(--accent-gradient);
  border-radius: 16px;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0.9;
}

.usecase-card__icon svg {
  width: 32px;
  height: 32px;
  stroke: white;
  fill: none;
}

.usecase-card h3 {
  font-size: 1.1rem;
  margin-bottom: 8px;
}

.usecase-card p {
  font-size: 0.85rem;
  color: rgba(255,255,255,0.6);
}

/* --- Pricing Cards --- */
.pricing-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
  align-items: start;
}

.pricing-card {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 40px 32px;
  transition: all var(--transition);
  position: relative;
}

.pricing-card--featured {
  border-color: var(--accent-start);
  transform: scale(1.05);
  box-shadow: var(--shadow-lg);
}

.pricing-card--featured .pricing-card__badge {
  display: inline-block;
}

.pricing-card__badge {
  display: none;
  position: absolute;
  top: -12px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--accent-gradient);
  color: white;
  font-size: 0.75rem;
  font-weight: 700;
  padding: 4px 16px;
  border-radius: 50px;
  white-space: nowrap;
}

.pricing-card__name {
  font-size: 1.2rem;
  font-weight: 700;
  margin-bottom: 8px;
}

.pricing-card__price {
  font-size: 2.5rem;
  font-weight: 700;
  margin-bottom: 4px;
  font-family: 'Inter', sans-serif;
}

.pricing-card__price span {
  font-size: 1rem;
  font-weight: 400;
  color: var(--muted);
}

.pricing-card__desc {
  color: var(--muted);
  font-size: 0.9rem;
  margin-bottom: 24px;
  padding-bottom: 24px;
  border-bottom: 1px solid var(--border);
}

.pricing-card__features {
  margin-bottom: 32px;
}

.pricing-card__features li {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 8px 0;
  font-size: 0.95rem;
}

.pricing-card__features li::before {
  content: '';
  width: 20px;
  height: 20px;
  background: linear-gradient(135deg, rgba(255,107,0,0.1), rgba(255,149,0,0.1));
  border-radius: 50%;
  flex-shrink: 0;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 24 24' fill='none' stroke='%23FF6B00' stroke-width='3' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='20 6 9 17 4 12'%3E%3C/polyline%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: center;
  background-size: 12px;
}

.pricing-card .btn {
  width: 100%;
}

/* --- Pricing Comparison Table --- */
.comparison-table {
  margin-top: 80px;
  overflow-x: auto;
}

.comparison-table table {
  width: 100%;
  border-collapse: collapse;
  min-width: 600px;
}

.comparison-table th,
.comparison-table td {
  padding: 16px 20px;
  text-align: center;
  border-bottom: 1px solid var(--border);
}

.comparison-table th:first-child,
.comparison-table td:first-child {
  text-align: left;
  font-weight: 500;
}

.comparison-table thead th {
  background: var(--surface);
  font-weight: 700;
  font-size: 0.95rem;
}

.comparison-table .check {
  color: var(--accent-start);
  font-size: 1.2rem;
}

.comparison-table .dash {
  color: var(--muted);
}

/* --- CTA Section --- */
.cta-section {
  text-align: center;
  background: var(--primary);
  color: var(--text-light);
  padding: 120px 0;
  position: relative;
  overflow: hidden;
}

.cta-section::before {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 800px;
  height: 800px;
  background: radial-gradient(circle, rgba(255,107,0,0.15) 0%, transparent 70%);
  pointer-events: none;
}

.cta-section h2 {
  font-size: 2.5rem;
  margin-bottom: 16px;
  position: relative;
}

.cta-section p {
  color: rgba(255,255,255,0.7);
  font-size: 1.1rem;
  margin-bottom: 40px;
  position: relative;
}

.cta-section .btn {
  position: relative;
}

/* --- Footer --- */
.footer {
  background: var(--primary);
  color: rgba(255,255,255,0.6);
  padding: 60px 0 30px;
  border-top: 1px solid rgba(255,255,255,0.05);
}

.footer__inner {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 40px;
  margin-bottom: 40px;
}

.footer__brand {
  display: flex;
  align-items: center;
  gap: 10px;
  color: var(--white);
  font-weight: 700;
  font-size: 1.1rem;
  margin-bottom: 16px;
}

.footer__brand svg {
  width: 28px;
  height: 28px;
}

.footer__desc {
  font-size: 0.9rem;
  line-height: 1.7;
  max-width: 300px;
}

.footer__heading {
  color: var(--white);
  font-size: 0.85rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: 20px;
}

.footer__links a {
  display: block;
  padding: 6px 0;
  font-size: 0.9rem;
  transition: color var(--transition);
}

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

.footer__bottom {
  border-top: 1px solid rgba(255,255,255,0.1);
  padding-top: 24px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.8rem;
}

.footer__bottom-links {
  display: flex;
  gap: 24px;
}

.footer__bottom-links a:hover {
  color: var(--white);
}

/* --- Breadcrumb --- */
.breadcrumb {
  padding: 20px 0;
  font-size: 0.85rem;
  color: var(--muted);
}

.breadcrumb a {
  color: var(--muted);
  transition: color var(--transition);
}

.breadcrumb a:hover {
  color: var(--accent-start);
}

.breadcrumb span {
  margin: 0 8px;
  opacity: 0.5;
}

/* --- Page Hero (subpages) --- */
.page-hero {
  background: var(--primary);
  color: var(--text-light);
  padding: 140px 0 80px;
  position: relative;
  overflow: hidden;
}

.page-hero::before {
  content: '';
  position: absolute;
  top: -200px;
  right: -200px;
  width: 500px;
  height: 500px;
  background: radial-gradient(circle, rgba(255,107,0,0.1) 0%, transparent 70%);
}

.page-hero h1 {
  font-size: clamp(2rem, 4vw, 2.8rem);
  margin-bottom: 16px;
  position: relative;
}

.page-hero p {
  color: rgba(255,255,255,0.7);
  font-size: 1.1rem;
  max-width: 600px;
  position: relative;
}

/* --- Feature Detail (alternating layout) --- */
.feature-detail {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: center;
  padding: 80px 0;
}

.feature-detail:not(:last-child) {
  border-bottom: 1px solid var(--border);
}

.feature-detail--reverse {
  direction: rtl;
}

.feature-detail--reverse > * {
  direction: ltr;
}

.feature-detail__content h3 {
  font-size: 1.8rem;
  margin-bottom: 16px;
}

.feature-detail__content p {
  color: var(--muted);
  font-size: 1rem;
  margin-bottom: 24px;
}

.feature-detail__tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.feature-detail__tag {
  padding: 6px 14px;
  background: var(--surface);
  border-radius: 50px;
  font-size: 0.85rem;
  color: var(--text-dark);
  font-weight: 500;
}

/* Feature Visual (CSS mockups) */
.feature-visual {
  background: var(--primary);
  border-radius: var(--radius);
  padding: 32px;
  position: relative;
  overflow: hidden;
  min-height: 280px;
}

.feature-visual--editor {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.fv-toolbar {
  display: flex;
  gap: 8px;
  padding-bottom: 12px;
  border-bottom: 1px solid rgba(255,255,255,0.1);
}

.fv-toolbar-item {
  width: 28px;
  height: 28px;
  border-radius: 6px;
  background: rgba(255,255,255,0.08);
  display: flex;
  align-items: center;
  justify-content: center;
}

.fv-toolbar-item.active {
  background: var(--accent-gradient);
}

.fv-canvas-area {
  flex: 1;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
}

.fv-block {
  border-radius: 8px;
  background: rgba(255,255,255,0.06);
  border: 1px dashed rgba(255,255,255,0.15);
  min-height: 60px;
  position: relative;
}

.fv-block--active {
  border-color: var(--accent-start);
  border-style: solid;
  box-shadow: 0 0 0 2px rgba(255,107,0,0.3);
}

.fv-block--wide {
  grid-column: span 2;
}

/* AI prompt visual */
.feature-visual--ai {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 16px;
  text-align: center;
}

.fv-prompt-box {
  background: rgba(255,255,255,0.08);
  border: 1px solid rgba(255,255,255,0.15);
  border-radius: 10px;
  padding: 16px 24px;
  width: 100%;
  color: rgba(255,255,255,0.6);
  font-size: 0.9rem;
  text-align: left;
}

.fv-prompt-cursor {
  display: inline-block;
  width: 2px;
  height: 16px;
  background: var(--accent-start);
  animation: blink 1s infinite;
  vertical-align: middle;
  margin-left: 4px;
}

@keyframes blink {
  0%, 100% { opacity: 1; }
  50% { opacity: 0; }
}

.fv-arrow {
  font-size: 1.5rem;
  color: var(--accent-start);
  animation: arrowPulse 2s infinite;
}

@keyframes arrowPulse {
  0%, 100% { opacity: 0.5; transform: translateY(0); }
  50% { opacity: 1; transform: translateY(4px); }
}

.fv-result-preview {
  width: 100%;
  background: rgba(255,255,255,0.04);
  border-radius: 8px;
  padding: 16px;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.fv-result-bar {
  height: 8px;
  border-radius: 4px;
}

.fv-result-bar--1 { width: 60%; background: var(--accent-gradient); }
.fv-result-bar--2 { width: 90%; background: rgba(255,255,255,0.15); }
.fv-result-bar--3 { width: 45%; background: rgba(255,255,255,0.1); }

/* Responsive visual */
.feature-visual--responsive {
  display: flex;
  align-items: flex-end;
  justify-content: center;
  gap: 16px;
  padding-bottom: 0;
}

.fv-device {
  background: rgba(255,255,255,0.05);
  border: 1px solid rgba(255,255,255,0.15);
  border-radius: 8px 8px 0 0;
  overflow: hidden;
  display: flex;
  flex-direction: column;
}

.fv-device--desktop {
  width: 55%;
  min-height: 160px;
}

.fv-device--tablet {
  width: 25%;
  min-height: 130px;
}

.fv-device--phone {
  width: 15%;
  min-height: 100px;
}

.fv-device-top {
  height: 16px;
  background: rgba(255,255,255,0.08);
  display: flex;
  align-items: center;
  padding: 0 6px;
  gap: 3px;
}

.fv-device-dot {
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: rgba(255,255,255,0.2);
}

.fv-device-body {
  flex: 1;
  padding: 8px;
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.fv-device-line {
  height: 4px;
  background: rgba(255,255,255,0.1);
  border-radius: 2px;
}

.fv-device-line--accent {
  background: var(--accent-gradient);
  opacity: 0.5;
}

/* Hosting visual */
.feature-visual--hosting {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 20px;
}

.fv-deploy-steps {
  display: flex;
  align-items: center;
  gap: 16px;
}

.fv-deploy-step {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  color: rgba(255,255,255,0.7);
  font-size: 0.75rem;
}

.fv-deploy-icon {
  width: 48px;
  height: 48px;
  border-radius: 12px;
  background: rgba(255,255,255,0.08);
  display: flex;
  align-items: center;
  justify-content: center;
}

.fv-deploy-icon svg {
  width: 24px;
  height: 24px;
  stroke: var(--accent-end);
}

.fv-deploy-arrow {
  color: var(--accent-start);
  font-size: 1.2rem;
}

.fv-status-bar {
  display: flex;
  align-items: center;
  gap: 8px;
  background: rgba(40, 200, 64, 0.15);
  border: 1px solid rgba(40, 200, 64, 0.3);
  border-radius: 50px;
  padding: 8px 20px;
  font-size: 0.8rem;
  color: #28C840;
}

.fv-status-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: #28C840;
  animation: pulse 2s infinite;
}

/* --- Company --- */
.company-table {
  width: 100%;
  border-collapse: collapse;
  margin-bottom: 60px;
}

.company-table th,
.company-table td {
  padding: 20px 24px;
  border-bottom: 1px solid var(--border);
  text-align: left;
  vertical-align: top;
}

.company-table th {
  width: 160px;
  font-weight: 600;
  color: var(--text-dark);
  background: var(--surface);
}

.message-section {
  padding: 80px 0;
}

.message-section__inner {
  display: grid;
  grid-template-columns: 200px 1fr;
  gap: 60px;
  align-items: start;
}

.message-section__label {
  font-size: 0.85rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--accent-start);
  padding-top: 8px;
}

.message-section__content h3 {
  font-size: 1.5rem;
  margin-bottom: 20px;
}

.message-section__content p {
  color: var(--muted);
  line-height: 2;
}

.map-container {
  margin-top: 60px;
  border-radius: var(--radius);
  overflow: hidden;
  border: 1px solid var(--border);
}

.map-container iframe {
  width: 100%;
  height: 400px;
  border: 0;
}

/* --- Contact Form --- */
.contact-form {
  max-width: 720px;
  margin: 0 auto;
}

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

.form-group label {
  display: block;
  font-weight: 600;
  font-size: 0.95rem;
  margin-bottom: 8px;
}

.form-group label .required {
  color: #FF5F57;
  font-size: 0.8rem;
  margin-left: 4px;
}

.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  padding: 14px 18px;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  font-family: inherit;
  font-size: 1rem;
  transition: border-color var(--transition);
  background: var(--white);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--accent-start);
  box-shadow: 0 0 0 3px rgba(255, 107, 0, 0.1);
}

.form-group textarea {
  min-height: 160px;
  resize: vertical;
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
}

.form-submit {
  text-align: center;
  margin-top: 40px;
}

.form-success {
  display: none;
  text-align: center;
  padding: 60px 20px;
}

.form-success.show {
  display: block;
}

.form-success__icon {
  width: 80px;
  height: 80px;
  background: linear-gradient(135deg, rgba(255,107,0,0.1), rgba(255,149,0,0.1));
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 24px;
}

.form-success__icon svg {
  width: 40px;
  height: 40px;
  stroke: var(--accent-start);
}

.form-success h3 {
  font-size: 1.5rem;
  margin-bottom: 12px;
}

.form-success p {
  color: var(--muted);
}

/* --- FAQ Accordion --- */
.faq-list {
  max-width: 800px;
  margin: 0 auto;
}

.faq-item {
  border-bottom: 1px solid var(--border);
}

.faq-question {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 24px 0;
  font-size: 1.05rem;
  font-weight: 600;
  text-align: left;
  color: var(--text-dark);
  transition: color var(--transition);
}

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

.faq-question svg {
  width: 20px;
  height: 20px;
  transition: transform var(--transition);
  flex-shrink: 0;
  margin-left: 16px;
  stroke: var(--muted);
}

.faq-item.active .faq-question svg {
  transform: rotate(45deg);
}

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

.faq-answer__inner {
  padding-bottom: 24px;
  color: var(--muted);
  line-height: 1.8;
}

/* --- Scroll Animation --- */
.fade-in {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.6s ease, transform 0.6s 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; }

/* --- Responsive --- */
@media (max-width: 1024px) {
  .hero__inner {
    grid-template-columns: 1fr;
    gap: 40px;
  }

  .hero__mockup {
    max-width: 500px;
  }

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

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

  .pricing-grid {
    grid-template-columns: 1fr;
    max-width: 400px;
    margin: 0 auto;
  }

  .pricing-card--featured {
    transform: none;
  }

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

  .feature-detail--reverse {
    direction: ltr;
  }

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

  .message-section__inner {
    grid-template-columns: 1fr;
    gap: 20px;
  }
}

@media (max-width: 768px) {
  :root {
    --section-padding: 60px 0;
  }

  h1 { font-size: 2.2rem; }
  h2 { font-size: 1.8rem; }

  .header__nav,
  .header__cta {
    display: none;
  }

  .hamburger {
    display: flex;
  }

  .mobile-nav {
    display: block;
  }

  .hero {
    min-height: auto;
    padding: 120px 0 60px;
  }

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

  .hero__lead {
    font-size: 1.2rem;
    line-height: 1.6;
  }

  .hero__lead span {
    padding: 4px 12px;
  }

  .btn-group {
    flex-direction: column;
  }

  .btn-group .btn {
    width: 100%;
  }

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

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

  .news__inner {
    flex-direction: column;
    gap: 16px;
  }

  .news__item {
    flex-direction: column;
    align-items: flex-start;
    gap: 4px;
  }

  .footer__inner {
    grid-template-columns: 1fr;
    gap: 30px;
  }

  .footer__bottom {
    flex-direction: column;
    gap: 16px;
    text-align: center;
  }

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

  .company-table th {
    width: 120px;
  }

  .cta-section h2 {
    font-size: 1.8rem;
  }
}