/* ============================================
   HALDATA LP - Style Sheet
   ============================================ */

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

:root {
  --color-bg: #0a0a0f;
  --color-bg-dark: #06060a;
  --color-bg-card: #12121a;
  --color-bg-card-hover: #1a1a25;
  --color-text: #e8e8ed;
  --color-text-muted: #8888a0;
  --color-text-dim: #55556a;
  --color-primary: #6366f1;
  --color-primary-light: #818cf8;
  --color-primary-dark: #4f46e5;
  --color-primary-glow: rgba(99, 102, 241, 0.15);
  --color-accent: #06b6d4;
  --color-accent-glow: rgba(6, 182, 212, 0.1);
  --color-success: #10b981;
  --color-danger: #ef4444;
  --color-border: rgba(255, 255, 255, 0.06);
  --color-border-light: rgba(255, 255, 255, 0.1);
  --font-ja: "Noto Sans JP", sans-serif;
  --font-en: "Inter", sans-serif;
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 20px;
  --radius-xl: 28px;
  --shadow-card: 0 4px 24px rgba(0, 0, 0, 0.3);
  --shadow-glow: 0 0 60px rgba(99, 102, 241, 0.08);
  --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

html {
  scroll-behavior: smooth;
  scroll-padding-top: 80px;
}

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

a {
  color: inherit;
  text-decoration: none;
}

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

.container {
  max-width: 1120px;
  margin: 0 auto;
  padding: 0 24px;
}

.pc-only { display: inline; }
.sp-only { display: none; }

@media (max-width: 768px) {
  .pc-only { display: none; }
  .sp-only { display: inline; }
}

/* --- Header --- */
.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  background: rgba(10, 10, 15, 0.8);
  backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--color-border);
  transition: var(--transition);
}

.header.scrolled {
  background: rgba(10, 10, 15, 0.95);
}

.header-inner {
  max-width: 1120px;
  margin: 0 auto;
  padding: 0 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
}

.logo-text {
  font-family: var(--font-en);
  font-weight: 900;
  font-size: 1.5rem;
  letter-spacing: 0.08em;
  background: linear-gradient(135deg, var(--color-primary-light), var(--color-accent));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

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

.nav-link {
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--color-text-muted);
  transition: var(--transition);
  position: relative;
}

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

.nav-link::after {
  content: "";
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--color-primary);
  transition: var(--transition);
}

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

.nav-btn {
  font-size: 0.875rem;
  font-weight: 600;
  padding: 8px 20px;
  border-radius: var(--radius-sm);
  background: var(--color-primary);
  color: #fff;
  transition: var(--transition);
}

.nav-btn:hover {
  background: var(--color-primary-dark);
  transform: translateY(-1px);
}

.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
}

.hamburger span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--color-text);
  transition: var(--transition);
}

.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);
}

@media (max-width: 768px) {
  .hamburger {
    display: flex;
  }

  .nav {
    position: fixed;
    top: 72px;
    left: 0;
    right: 0;
    background: rgba(10, 10, 15, 0.98);
    backdrop-filter: blur(20px);
    flex-direction: column;
    padding: 32px 24px;
    gap: 24px;
    transform: translateY(-100%);
    opacity: 0;
    pointer-events: none;
    transition: var(--transition);
    border-bottom: 1px solid var(--color-border);
  }

  .nav.open {
    transform: translateY(0);
    opacity: 1;
    pointer-events: auto;
  }

  .nav-link {
    font-size: 1rem;
  }
}

/* --- Buttons --- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-ja);
  font-weight: 600;
  border: none;
  cursor: pointer;
  transition: var(--transition);
  border-radius: var(--radius-sm);
  text-align: center;
}

.btn-primary {
  background: var(--color-primary);
  color: #fff;
  box-shadow: 0 4px 20px rgba(99, 102, 241, 0.3);
}

.btn-primary:hover {
  background: var(--color-primary-dark);
  transform: translateY(-2px);
  box-shadow: 0 8px 30px rgba(99, 102, 241, 0.4);
}

.btn-ghost {
  background: transparent;
  color: var(--color-text-muted);
  border: 1px solid var(--color-border-light);
}

.btn-ghost:hover {
  color: var(--color-text);
  border-color: var(--color-text-muted);
  transform: translateY(-2px);
}

.btn-lg {
  padding: 16px 36px;
  font-size: 1rem;
  border-radius: var(--radius-md);
}

/* --- Hero --- */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding: 120px 0 80px;
  overflow: hidden;
}

.hero-bg-grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.02) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.02) 1px, transparent 1px);
  background-size: 60px 60px;
  mask-image: radial-gradient(ellipse at center, black 30%, transparent 70%);
  -webkit-mask-image: radial-gradient(ellipse at center, black 30%, transparent 70%);
}

.hero::before {
  content: "";
  position: absolute;
  top: -40%;
  left: -20%;
  width: 80%;
  height: 80%;
  background: radial-gradient(circle, var(--color-primary-glow) 0%, transparent 60%);
  pointer-events: none;
}

.hero::after {
  content: "";
  position: absolute;
  bottom: -30%;
  right: -10%;
  width: 60%;
  height: 60%;
  background: radial-gradient(circle, var(--color-accent-glow) 0%, transparent 60%);
  pointer-events: none;
}

.hero-content {
  position: relative;
  z-index: 1;
  max-width: 800px;
}

.hero-label {
  font-family: var(--font-en);
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--color-primary-light);
  margin-bottom: 24px;
  opacity: 0;
  animation: fadeUp 0.8s 0.2s forwards;
}

.hero-title {
  font-size: clamp(2rem, 5vw, 3.5rem);
  font-weight: 900;
  line-height: 1.3;
  letter-spacing: -0.02em;
  margin-bottom: 24px;
  opacity: 0;
  animation: fadeUp 0.8s 0.4s forwards;
}

.hero-accent {
  background: linear-gradient(135deg, var(--color-primary-light), var(--color-accent));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-desc {
  font-size: 1.1rem;
  color: var(--color-text-muted);
  line-height: 2;
  margin-bottom: 40px;
  opacity: 0;
  animation: fadeUp 0.8s 0.6s forwards;
}

.hero-actions {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
  margin-bottom: 64px;
  opacity: 0;
  animation: fadeUp 0.8s 0.8s forwards;
}

.hero-stats {
  display: flex;
  align-items: center;
  gap: 32px;
  opacity: 0;
  animation: fadeUp 0.8s 1s forwards;
}

.hero-stat {
  display: flex;
  flex-direction: column;
}

.hero-stat-num {
  font-family: var(--font-en);
  font-size: 2rem;
  font-weight: 900;
  background: linear-gradient(135deg, var(--color-primary-light), var(--color-accent));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-stat-label {
  font-size: 0.8rem;
  color: var(--color-text-dim);
  letter-spacing: 0.05em;
}

.hero-stat-divider {
  width: 1px;
  height: 40px;
  background: var(--color-border-light);
}

.hero-scroll-indicator {
  position: absolute;
  bottom: 32px;
  right: 32px;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  opacity: 0;
  animation: fadeIn 1s 1.5s forwards;
}

.hero-scroll-indicator span {
  font-family: var(--font-en);
  font-size: 0.7rem;
  letter-spacing: 0.1em;
  color: var(--color-text-dim);
  writing-mode: vertical-rl;
}

.hero-scroll-line {
  width: 1px;
  height: 60px;
  background: var(--color-primary);
  animation: scrollLine 2s infinite;
}

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

@keyframes fadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}

@keyframes scrollLine {
  0% { transform: scaleY(0); transform-origin: top; }
  50% { transform: scaleY(1); transform-origin: top; }
  50.1% { transform: scaleY(1); transform-origin: bottom; }
  100% { transform: scaleY(0); transform-origin: bottom; }
}

@media (max-width: 768px) {
  .hero {
    padding: 100px 0 60px;
  }

  .hero-stats {
    gap: 20px;
  }

  .hero-stat-num {
    font-size: 1.5rem;
  }

  .hero-scroll-indicator {
    display: none;
  }
}

/* --- Sections --- */
.section {
  padding: 120px 0;
}

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

.section-accent {
  background: linear-gradient(135deg, rgba(99, 102, 241, 0.08), rgba(6, 182, 212, 0.05));
}

.section-label {
  font-family: var(--font-en);
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--color-primary-light);
  margin-bottom: 16px;
}

.section-title {
  font-size: clamp(1.75rem, 3.5vw, 2.5rem);
  font-weight: 800;
  margin-bottom: 16px;
  letter-spacing: -0.02em;
}

.section-subtitle {
  font-size: 1.05rem;
  color: var(--color-text-muted);
  line-height: 2;
  margin-bottom: 64px;
}

@media (max-width: 768px) {
  .section {
    padding: 80px 0;
  }

  .section-subtitle {
    margin-bottom: 48px;
  }
}

/* --- Problem Cards --- */
.problem-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
  margin-top: 48px;
}

.problem-card {
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 32px 28px;
  transition: var(--transition);
}

.problem-card:hover {
  background: var(--color-bg-card-hover);
  border-color: var(--color-border-light);
  transform: translateY(-4px);
}

.problem-icon {
  color: var(--color-primary-light);
  margin-bottom: 20px;
}

.problem-title {
  font-size: 1.05rem;
  font-weight: 700;
  margin-bottom: 12px;
}

.problem-desc {
  font-size: 0.9rem;
  color: var(--color-text-muted);
  line-height: 1.8;
}

@media (max-width: 768px) {
  .problem-grid {
    grid-template-columns: 1fr;
    gap: 16px;
  }
}

/* --- SDD Section --- */
.sdd-visual {
  margin-bottom: 80px;
}

.sdd-flow {
  display: flex;
  align-items: flex-start;
  justify-content: center;
  gap: 24px;
  flex-wrap: wrap;
}

.sdd-step {
  text-align: center;
  flex: 0 0 auto;
  width: 220px;
  padding: 32px 20px;
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  transition: var(--transition);
  position: relative;
}

.sdd-step:hover {
  border-color: var(--color-primary);
  box-shadow: var(--shadow-glow);
}

.sdd-step-num {
  font-family: var(--font-en);
  font-size: 0.75rem;
  font-weight: 700;
  color: var(--color-primary-light);
  letter-spacing: 0.1em;
  margin-bottom: 16px;
}

.sdd-step-icon {
  color: var(--color-accent);
  margin-bottom: 16px;
}

.sdd-step h3 {
  font-size: 1.1rem;
  font-weight: 700;
  margin-bottom: 8px;
}

.sdd-step p {
  font-size: 0.85rem;
  color: var(--color-text-muted);
  line-height: 1.7;
}

.sdd-arrow {
  color: var(--color-text-dim);
  align-self: center;
  flex-shrink: 0;
}

@media (max-width: 768px) {
  .sdd-flow {
    flex-direction: column;
    align-items: center;
    gap: 16px;
  }

  .sdd-step {
    width: 100%;
    max-width: 320px;
  }

  .sdd-arrow {
    transform: rotate(90deg);
  }
}

/* --- Comparison --- */
.sdd-comparison {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
}

.comparison-card {
  padding: 36px 32px;
  border-radius: var(--radius-lg);
  border: 1px solid var(--color-border);
}

.comparison-old {
  background: rgba(239, 68, 68, 0.04);
  border-color: rgba(239, 68, 68, 0.15);
}

.comparison-new {
  background: rgba(99, 102, 241, 0.04);
  border-color: rgba(99, 102, 241, 0.15);
}

.comparison-label {
  font-size: 0.9rem;
  font-weight: 700;
  margin-bottom: 24px;
  padding-bottom: 16px;
  border-bottom: 1px solid var(--color-border);
}

.comparison-old .comparison-label {
  color: var(--color-danger);
}

.comparison-new .comparison-label {
  color: var(--color-primary-light);
}

.comparison-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.comparison-item {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  font-size: 0.9rem;
  line-height: 1.6;
  color: var(--color-text-muted);
}

.comparison-x {
  color: var(--color-danger);
  font-weight: 700;
  flex-shrink: 0;
  font-size: 0.85rem;
}

.comparison-o {
  color: var(--color-success);
  font-weight: 700;
  flex-shrink: 0;
  font-size: 0.85rem;
}

@media (max-width: 768px) {
  .sdd-comparison {
    grid-template-columns: 1fr;
  }
}

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

.service-card {
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 40px 32px;
  transition: var(--transition);
  position: relative;
  overflow: hidden;
}

.service-card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--color-primary), var(--color-accent));
  transform: scaleX(0);
  transition: var(--transition);
}

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

.service-card:hover {
  border-color: var(--color-border-light);
  transform: translateY(-4px);
}

.service-num {
  font-family: var(--font-en);
  font-size: 3rem;
  font-weight: 900;
  color: var(--color-primary-glow);
  line-height: 1;
  margin-bottom: 16px;
  background: linear-gradient(135deg, rgba(99, 102, 241, 0.2), rgba(6, 182, 212, 0.1));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.service-title {
  font-size: 1.2rem;
  font-weight: 700;
  margin-bottom: 12px;
}

.service-desc {
  font-size: 0.9rem;
  color: var(--color-text-muted);
  line-height: 1.8;
  margin-bottom: 24px;
}

.service-features {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.service-features li {
  font-size: 0.85rem;
  color: var(--color-text-muted);
  padding-left: 20px;
  position: relative;
}

.service-features li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 10px;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--color-primary-light);
}

@media (max-width: 768px) {
  .service-grid {
    grid-template-columns: 1fr;
    gap: 16px;
  }
}

/* --- Flow Timeline --- */
.flow-timeline {
  max-width: 640px;
  margin: 48px auto 0;
  position: relative;
}

.flow-timeline::before {
  content: "";
  position: absolute;
  top: 0;
  left: 24px;
  width: 2px;
  height: 100%;
  background: linear-gradient(to bottom, var(--color-primary), var(--color-accent));
  opacity: 0.3;
}

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

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

.flow-marker {
  width: 50px;
  height: 50px;
  border-radius: 50%;
  background: var(--color-bg-card);
  border: 2px solid var(--color-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  position: relative;
  z-index: 1;
}

.flow-marker span {
  font-family: var(--font-en);
  font-weight: 700;
  font-size: 1rem;
  color: var(--color-primary-light);
}

.flow-content {
  padding-top: 4px;
}

.flow-content h3 {
  font-size: 1.1rem;
  font-weight: 700;
  margin-bottom: 8px;
}

.flow-content p {
  font-size: 0.9rem;
  color: var(--color-text-muted);
  line-height: 1.8;
  margin-bottom: 12px;
}

.flow-period {
  font-family: var(--font-en);
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--color-accent);
  padding: 4px 12px;
  background: rgba(6, 182, 212, 0.08);
  border-radius: 20px;
}

/* --- Message Block --- */
.message-block {
  text-align: center;
  max-width: 720px;
  margin: 0 auto;
  padding: 64px 0;
}

.message-quote {
  font-size: clamp(1.5rem, 3vw, 2rem);
  font-weight: 800;
  line-height: 1.6;
  margin-bottom: 32px;
  background: linear-gradient(135deg, var(--color-primary-light), var(--color-accent));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.message-body {
  font-size: 1rem;
  color: var(--color-text-muted);
  line-height: 2.2;
}

/* --- FAQ --- */
.faq-list {
  max-width: 720px;
  margin: 48px auto 0;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.faq-item {
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  overflow: hidden;
  transition: var(--transition);
}

.faq-item:hover {
  border-color: var(--color-border-light);
}

.faq-question {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 20px 24px;
  background: var(--color-bg-card);
  border: none;
  cursor: pointer;
  text-align: left;
  font-family: var(--font-ja);
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--color-text);
  transition: var(--transition);
}

.faq-question:hover {
  background: var(--color-bg-card-hover);
}

.faq-chevron {
  color: var(--color-text-dim);
  transition: var(--transition);
  flex-shrink: 0;
}

.faq-item.open .faq-chevron {
  transform: rotate(180deg);
  color: var(--color-primary-light);
}

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

.faq-item.open .faq-answer {
  max-height: 300px;
}

.faq-answer p {
  padding: 0 24px 24px;
  font-size: 0.9rem;
  color: var(--color-text-muted);
  line-height: 2;
}

/* --- CTA --- */
.section-cta {
  background: var(--color-bg-dark);
}

.cta-block {
  text-align: center;
  padding: 80px 40px;
  background: linear-gradient(135deg, rgba(99, 102, 241, 0.06), rgba(6, 182, 212, 0.04));
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  position: relative;
  overflow: hidden;
}

.cta-block::before {
  content: "";
  position: absolute;
  top: -50%;
  left: -50%;
  width: 200%;
  height: 200%;
  background: radial-gradient(circle at 30% 30%, var(--color-primary-glow) 0%, transparent 40%);
  pointer-events: none;
}

.cta-block .section-label {
  position: relative;
}

.cta-title {
  font-size: clamp(1.5rem, 3vw, 2.2rem);
  font-weight: 800;
  margin-bottom: 16px;
  position: relative;
}

.cta-desc {
  font-size: 1rem;
  color: var(--color-text-muted);
  line-height: 2;
  margin-bottom: 40px;
  position: relative;
}

.cta-actions {
  position: relative;
  margin-bottom: 16px;
}

.cta-note {
  font-size: 0.8rem;
  color: var(--color-text-dim);
  position: relative;
}

@media (max-width: 768px) {
  .cta-block {
    padding: 48px 24px;
  }
}

/* --- Contact Form --- */
.contact-form {
  text-align: left;
  margin-top: 48px;
  position: relative;
}

.hp-field {
  position: absolute;
  left: -9999px;
  opacity: 0;
  height: 0;
  width: 0;
  overflow: hidden;
}

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

.form-group {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.form-group-full {
  margin-bottom: 20px;
}

.form-label {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--color-text);
}

.form-required {
  color: var(--color-danger);
  font-size: 0.8rem;
}

.form-input {
  width: 100%;
  padding: 14px 16px;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--color-border-light);
  border-radius: var(--radius-sm);
  color: var(--color-text);
  font-family: var(--font-ja);
  font-size: 0.95rem;
  transition: var(--transition);
  outline: none;
}

.form-input::placeholder {
  color: var(--color-text-dim);
}

.form-input:focus {
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px var(--color-primary-glow);
}

.form-input.invalid {
  border-color: var(--color-danger);
  box-shadow: 0 0 0 3px rgba(239, 68, 68, 0.1);
}

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

.form-textarea-count {
  font-size: 0.75rem;
  color: var(--color-text-dim);
  text-align: right;
  margin-top: 4px;
}

.form-error {
  font-size: 0.8rem;
  color: var(--color-danger);
  min-height: 1.2em;
}

.form-privacy {
  margin-bottom: 32px;
}

.form-checkbox-label {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 0.9rem;
  color: var(--color-text-muted);
  cursor: pointer;
}

.form-checkbox-label input[type="checkbox"] {
  display: none;
}

.form-checkbox-mark {
  width: 20px;
  height: 20px;
  border: 2px solid var(--color-border-light);
  border-radius: 4px;
  flex-shrink: 0;
  position: relative;
  transition: var(--transition);
}

.form-checkbox-label input:checked + .form-checkbox-mark {
  background: var(--color-primary);
  border-color: var(--color-primary);
}

.form-checkbox-label input:checked + .form-checkbox-mark::after {
  content: "";
  position: absolute;
  top: 2px;
  left: 6px;
  width: 5px;
  height: 10px;
  border: solid #fff;
  border-width: 0 2px 2px 0;
  transform: rotate(45deg);
}

.form-link {
  color: var(--color-primary-light);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.form-submit {
  text-align: center;
  margin-bottom: 16px;
}

.btn-submit {
  min-width: 260px;
}

.btn-submit .btn-loading {
  display: none;
  align-items: center;
  gap: 8px;
}

.btn-submit.loading .btn-text {
  display: none;
}

.btn-submit.loading .btn-loading {
  display: inline-flex;
}

.btn-submit:disabled {
  opacity: 0.6;
  cursor: not-allowed;
  transform: none !important;
}

.spinner {
  animation: spin 1s linear infinite;
}

@keyframes spin {
  from { transform: rotate(0deg); }
  to { transform: rotate(360deg); }
}

.form-success {
  text-align: center;
  padding: 48px 24px;
  position: relative;
}

.form-success-icon {
  color: var(--color-success);
  margin-bottom: 16px;
}

.form-success h3 {
  font-size: 1.3rem;
  font-weight: 700;
  margin-bottom: 12px;
}

.form-success p {
  font-size: 0.95rem;
  color: var(--color-text-muted);
  line-height: 2;
}

.form-error-block {
  text-align: center;
  padding: 32px 24px;
  position: relative;
}

.form-error-block p {
  font-size: 0.95rem;
  color: var(--color-danger);
  margin-bottom: 16px;
}

@media (max-width: 768px) {
  .form-grid {
    grid-template-columns: 1fr;
  }
}

/* --- Footer --- */
.footer {
  padding: 48px 0 32px;
  border-top: 1px solid var(--color-border);
}

.footer-inner {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  margin-bottom: 32px;
}

.footer-tagline {
  font-size: 0.8rem;
  color: var(--color-text-dim);
  margin-top: 8px;
}

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

.footer-links a {
  font-size: 0.85rem;
  color: var(--color-text-muted);
  transition: var(--transition);
}

.footer-links a:hover {
  color: var(--color-text);
}

.footer-bottom {
  padding-top: 24px;
  border-top: 1px solid var(--color-border);
}

.footer-bottom p {
  font-size: 0.75rem;
  color: var(--color-text-dim);
  font-family: var(--font-en);
}

@media (max-width: 768px) {
  .footer-inner {
    flex-direction: column;
    gap: 24px;
  }

  .footer-links {
    gap: 16px;
  }
}

/* --- Scroll Animations --- */
[data-aos] {
  opacity: 0;
  transform: translateY(32px);
  transition: opacity 0.7s cubic-bezier(0.4, 0, 0.2, 1),
              transform 0.7s cubic-bezier(0.4, 0, 0.2, 1);
}

[data-aos].visible {
  opacity: 1;
  transform: translateY(0);
}