/* ============================================================
   KETO HP SERVICE — style.css
   Light theme redesign
   ============================================================ */

/* --- CSS Variables ---------------------------------------- */
:root {
  /* Background */
  --bg:           #ffffff;
  --bg-surface:   #f8f9fa;
  --bg-card:      #ffffff;
  --bg-hover:     #f3f4f6;

  /* Border */
  --border:        #e5e7eb;
  --border-strong: #d1d5db;
  --border-subtle: #f0f0f0;

  /* Text */
  --text:           #1a1a2e;
  --text-secondary: #6b7280;
  --text-dim:       #9ca3af;

  /* Accents */
  --coral:      #ff6b6b;
  --coral-hover:#f03e3e;
  --coral-dim:  rgba(255,107,107,0.08);
  --violet:     #845ef7;
  --violet-hover:#7048e8;
  --violet-dim: rgba(132,94,247,0.08);
  --green:      #0d9488;

  /* Gradients */
  --grad:      linear-gradient(135deg, #ff6b6b, #845ef7);
  --grad-warm: linear-gradient(135deg, #ff6b6b, #ffa94d);
  --grad-cool: linear-gradient(135deg, #845ef7, #339af0);

  /* Radius */
  --radius-sm:  12px;
  --radius:     16px;
  --radius-lg:  20px;
  --radius-pill:50px;

  /* Shadow */
  --shadow-card:     0 2px 12px rgba(0,0,0,0.06), 0 0 0 1px rgba(0,0,0,0.04);
  --shadow-elevated: 0 8px 32px rgba(0,0,0,0.10);
  --shadow-hover:    0 12px 40px rgba(0,0,0,0.12);
  --shadow-glow:     0 4px 24px rgba(132,94,247,0.18);
  --shadow-nav:      0 1px 0 #e5e7eb, 0 4px 20px rgba(0,0,0,0.06);

  /* Typography */
  --font-main: 'Noto Sans JP', -apple-system, BlinkMacSystemFont, sans-serif;
  --font-mono: 'DM Mono', 'Courier New', monospace;
}

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

html {
  scroll-behavior: smooth;
  font-size: 17px;
}

body {
  font-family: var(--font-main);
  background: var(--bg);
  background-image:
    linear-gradient(rgba(132,94,247,0.12) 1px, transparent 1px),
    linear-gradient(90deg, rgba(132,94,247,0.12) 1px, transparent 1px),
    linear-gradient(rgba(132,94,247,0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(132,94,247,0.04) 1px, transparent 1px);
  background-size: 80px 80px, 80px 80px, 20px 20px, 20px 20px;
  color: var(--text);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
  line-height: 1.8;
}

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

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

ul, ol {
  list-style: none;
}

button {
  font-family: var(--font-main);
  border: none;
  background: none;
  cursor: pointer;
}

/* --- Container -------------------------------------------- */
.container {
  width: 100%;
  max-width: 1080px;
  margin: 0 auto;
  padding: 0 28px;
}

/* --- Buttons ---------------------------------------------- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 16px 40px;
  border-radius: var(--radius-pill);
  font-family: var(--font-main);
  font-size: 16px;
  font-weight: 600;
  letter-spacing: 0.02em;
  transition: all 0.22s ease;
  cursor: pointer;
  text-decoration: none;
  border: none;
}

.btn-primary {
  background: var(--grad);
  color: #ffffff;
  box-shadow: 0 2px 16px rgba(255,107,107,0.20);
}
.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 32px rgba(255,107,107,0.28), var(--shadow-glow);
}
.btn-primary:active {
  transform: translateY(0);
}

.btn-outline {
  background: transparent;
  color: var(--text);
  border: 1.5px solid var(--border-strong);
}
.btn-outline:hover {
  background: var(--bg-hover);
  border-color: var(--text-secondary);
  transform: translateY(-2px);
  box-shadow: var(--shadow-card);
}

/* --- Section Common --------------------------------------- */
.section {
  padding: 112px 0;
  display: flex;
  align-items: center;
}

.section-dark {
  background: transparent;
}

.section-surface {
  background: rgba(248,249,250,0.5);
}

.section-header {
  text-align: center;
  margin-bottom: 64px;
}

.section-eyebrow {
  font-size: 16px;
  font-weight: 600;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--violet);
  margin-bottom: 16px;
  display: block;
}

.section-heading {
  font-size: clamp(1.9rem, 3.8vw, 2.8rem);
  font-weight: 700;
  color: var(--text);
  line-height: 1.3;
  letter-spacing: 0;
  margin-bottom: 20px;
}

.section-desc {
  font-size: 16px;
  font-weight: 400;
  color: var(--text-secondary);
  max-width: 520px;
  margin: 0 auto;
  line-height: 1.8;
}

/* --- Hero Image ------------------------------------------- */
.hero-img-wrap {
  position: absolute;
  inset: 0;
  z-index: 0;
  overflow: hidden;
}

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

.hero-img-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(
    135deg,
    rgba(26,26,46,0.82) 0%,
    rgba(132,94,247,0.30) 100%
  );
}

/* Profile section image */
.profile-card {
  position: relative;
}

/* --- Scroll Animations ------------------------------------ */
.fade-in {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.6s ease, transform 0.6s ease;
  transition-delay: var(--delay, 0s);
}
.fade-in-left {
  opacity: 0;
  transform: translateX(-40px);
  transition: opacity 0.6s ease, transform 0.6s ease;
  transition-delay: var(--delay, 0s);
}
.fade-in-right {
  opacity: 0;
  transform: translateX(40px);
  transition: opacity 0.6s ease, transform 0.6s ease;
  transition-delay: var(--delay, 0s);
}
.fade-in-up {
  opacity: 0;
  transform: translateY(40px);
  transition: opacity 0.6s ease, transform 0.6s ease;
  transition-delay: var(--delay, 0s);
}
.scale-in {
  opacity: 0;
  transform: scale(0.92);
  transition: opacity 0.6s ease, transform 0.6s ease;
  transition-delay: var(--delay, 0s);
}

.fade-in.visible,
.fade-in-left.visible,
.fade-in-right.visible,
.fade-in-up.visible,
.scale-in.visible {
  opacity: 1;
  transform: none;
}

/* --- Nav -------------------------------------------------- */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  background: rgba(255,255,255,0.92);
  backdrop-filter: blur(20px) saturate(1.4);
  -webkit-backdrop-filter: blur(20px) saturate(1.4);
  border-bottom: 1px solid var(--border);
  transition: box-shadow 0.3s ease, background 0.3s ease;
}

.nav-scrolled {
  background: rgba(255,255,255,0.97);
  box-shadow: var(--shadow-nav);
}

.nav-inner {
  max-width: 1080px;
  margin: 0 auto;
  padding: 0 28px;
  height: 64px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.nav-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
  flex-shrink: 0;
}

.nav-logo-text {
  font-size: 20px;
  font-weight: 700;
  color: var(--text);
  letter-spacing: 0.12em;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 2px;
}

.nav-link {
  padding: 8px 14px;
  font-size: 16px;
  font-weight: 500;
  color: var(--text-secondary);
  border-radius: var(--radius-sm);
  transition: color 0.18s, background 0.18s;
}
.nav-link:hover {
  color: var(--text);
  background: var(--bg-hover);
}

.nav-cta {
  padding: 8px 20px;
  font-size: 16px;
  font-weight: 600;
  background: var(--grad);
  color: #ffffff;
  border-radius: var(--radius-pill);
  transition: all 0.2s;
  margin-left: 10px;
  box-shadow: 0 2px 10px rgba(255,107,107,0.20);
}
.nav-cta:hover {
  transform: translateY(-1px);
  box-shadow: 0 4px 18px rgba(255,107,107,0.28);
}

.nav-hamburger {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 36px;
  height: 36px;
  padding: 6px;
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: background 0.2s;
}
.nav-hamburger:hover {
  background: var(--bg-hover);
}
.nav-hamburger span {
  display: block;
  width: 100%;
  height: 1.5px;
  background: var(--text-secondary);
  border-radius: 2px;
  transition: transform 0.3s ease, opacity 0.3s ease, background 0.2s;
  transform-origin: center;
}
.hamburger-open span:nth-child(1) {
  transform: translateY(6.5px) rotate(45deg);
}
.hamburger-open span:nth-child(2) {
  opacity: 0;
  transform: scaleX(0);
}
.hamburger-open span:nth-child(3) {
  transform: translateY(-6.5px) rotate(-45deg);
}

/* --- Hero ------------------------------------------------- */
.hero {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 120px 0 80px;
  position: relative;
  overflow: hidden;
  background: var(--bg);
}

/* Subtle radial accent on light background */
.hero::before {
  content: '';
  position: absolute;
  top: -10%;
  left: 50%;
  transform: translateX(-50%);
  width: 900px;
  height: 700px;
  background: radial-gradient(ellipse at center,
    rgba(132,94,247,0.05) 0%,
    rgba(255,107,107,0.03) 50%,
    transparent 70%);
  pointer-events: none;
}

/* Decorative horizontal accent line */
.hero::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--border), transparent);
}

.hero-inner {
  text-align: center;
  position: relative;
  z-index: 1;
}

.hero-eyebrow {
  display: inline-block;
  font-size: 16px;
  font-weight: 600;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--violet);
  margin-bottom: 28px;
  padding: 6px 16px;
  background: var(--violet-dim);
  border-radius: var(--radius-pill);
  border: 1px solid rgba(132,94,247,0.14);
}

.hero-heading {
  font-size: clamp(2.6rem, 6.5vw, 5rem);
  font-weight: 700;
  color: var(--text);
  line-height: 1.2;
  letter-spacing: 0;
  margin-bottom: 28px;
}

/* Gradient accent on last word */
.hero-heading em {
  font-style: normal;
  background: var(--grad);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-sub {
  font-size: clamp(1rem, 1.8vw, 1.15rem);
  font-weight: 400;
  color: var(--text-secondary);
  max-width: 460px;
  margin: 0 auto 52px;
  line-height: 1.85;
}

.hero-cta {
  font-size: 16px;
  padding: 18px 44px;
  font-weight: 700;
  letter-spacing: 0.02em;
}

.hero-note {
  margin-top: 22px;
  font-size: 16px;
  color: var(--text-dim);
  letter-spacing: 0.05em;
}

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

.hero-scroll-line {
  display: block;
  width: 1px;
  height: 48px;
  background: linear-gradient(to bottom, var(--border-strong), transparent);
  animation: scrollPulse 2s ease-in-out infinite;
}

@keyframes scrollPulse {
  0%, 100% { opacity: 0.4; transform: scaleY(1); }
  50% { opacity: 1; transform: scaleY(1.1); }
}

/* --- Pain Section ----------------------------------------- */
.pain-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
  margin-bottom: 52px;
}

.pain-card {
  background: var(--bg-card);
  border: 1px solid rgba(255,107,107,0.15);
  border-left: 3px solid var(--coral);
  border-radius: var(--radius);
  padding: 32px 28px;
  display: flex;
  flex-direction: column;
  gap: 18px;
  transition: border-color 0.22s, transform 0.22s, box-shadow 0.22s;
  box-shadow: var(--shadow-card);
}
.pain-card:hover {
  border-color: var(--border-strong);
  transform: translateY(-4px);
  box-shadow: var(--shadow-hover);
}

.pain-number {
  font-family: var(--font-mono);
  font-size: 2.4rem;
  font-weight: 500;
  color: rgba(255,107,107,0.2);
  line-height: 1;
}

.pain-text {
  font-size: 16px;
  font-weight: 400;
  color: var(--text-secondary);
  line-height: 1.8;
  word-break: keep-all;
  overflow-wrap: break-word;
}
.pain-text strong {
  color: var(--text);
  font-weight: 700;
}

.pain-resolve {
  text-align: center;
  padding: 32px;
  background: linear-gradient(135deg, rgba(255,107,107,0.05), rgba(132,94,247,0.05));
  border: 1.5px solid rgba(132,94,247,0.15);
  border-radius: var(--radius);
}

.pain-resolve-text {
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--text);
  letter-spacing: 0;
}

/* --- Pricing ---------------------------------------------- */
.pricing-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 18px;
  background: var(--coral-dim);
  border: 1px solid rgba(255,107,107,0.18);
  border-radius: var(--radius-pill);
  font-size: 16px;
  font-weight: 600;
  color: var(--coral);
  letter-spacing: 0.04em;
  margin-bottom: 44px;
}

.pricing-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  align-items: stretch;
  padding-top: 20px;
}

.pricing-card {
  background: var(--bg-card);
  border: 1.5px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 36px 28px;
  position: relative;
  transition: border-color 0.22s, transform 0.22s, box-shadow 0.22s;
  box-shadow: var(--shadow-card);
  display: flex;
  flex-direction: column;
}
.pricing-card:hover {
  border-color: var(--border-strong);
  transform: translateY(-4px);
  box-shadow: var(--shadow-hover);
}

.pricing-card-featured {
  border-color: transparent;
  background: linear-gradient(var(--bg-card), var(--bg-card)) padding-box,
              var(--grad) border-box;
}
.pricing-card-featured:hover {
  box-shadow: var(--shadow-glow), var(--shadow-hover);
}

.pricing-card-badge {
  position: absolute;
  top: -13px;
  left: 28px;
  background: var(--grad);
  color: #fff;
  font-size: 16px;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  padding: 4px 16px;
  border-radius: var(--radius-pill);
  box-shadow: 0 2px 10px rgba(255,107,107,0.22);
}

.pricing-card-header {
  margin-bottom: 28px;
}

.pricing-plan-name {
  font-size: 1.3rem;
  font-weight: 700;
  color: var(--text);
  margin-bottom: 6px;
}

.pricing-plan-desc {
  font-size: 16px;
  color: var(--text-secondary);
  font-weight: 400;
  line-height: 1.6;
}

.pricing-price-block {
  margin-bottom: 28px;
  padding-bottom: 28px;
  border-bottom: 1px solid var(--border);
}

.pricing-monitor {
  display: flex;
  align-items: baseline;
  gap: 10px;
  margin-bottom: 10px;
  flex-wrap: wrap;
}

.pricing-monitor-label {
  font-size: 16px;
  font-weight: 600;
  color: var(--coral);
  letter-spacing: 0.06em;
  text-transform: uppercase;
  padding: 3px 10px;
  background: var(--coral-dim);
  border-radius: var(--radius-pill);
  border: 1px solid rgba(255,107,107,0.14);
  flex-shrink: 0;
}

.pricing-price {
  font-family: var(--font-mono);
  font-size: 2.2rem;
  font-weight: 500;
  color: var(--text);
  letter-spacing: -0.03em;
  line-height: 1;
}

.pricing-currency {
  font-size: 1.2rem;
  font-weight: 400;
  color: var(--text-secondary);
}

.pricing-regular {
  display: flex;
  align-items: center;
  gap: 8px;
}

.pricing-regular-label {
  font-size: 16px;
  color: var(--text-dim);
}

.pricing-regular-price {
  font-family: var(--font-mono);
  font-size: 16px;
  color: var(--coral);
  text-decoration: line-through;
  text-decoration-color: var(--coral);
  text-decoration-thickness: 2px;
}

.pricing-features {
  display: flex;
  flex-direction: column;
  gap: 14px;
  margin-bottom: 32px;
  flex: 1;
}

.pricing-feature {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 16px;
  font-weight: 400;
  color: var(--text-secondary);
  line-height: 1.5;
}

.pricing-sample-link {
  display: block;
  text-align: center;
  font-size: 16px;
  font-weight: 500;
  color: var(--violet);
  text-decoration: none;
  margin-bottom: 12px;
  transition: color 0.2s;
}
.pricing-sample-link:hover {
  color: var(--violet-hover);
  text-decoration: underline;
}

.pricing-btn {
  width: 100%;
  justify-content: center;
}

/* --- Steps ------------------------------------------------ */
.steps-list {
  display: flex;
  flex-direction: column;
  gap: 0;
  max-width: 680px;
  margin: 0 auto;
}

.step {
  display: grid;
  grid-template-columns: 64px 1px 1fr;
  gap: 0 28px;
  position: relative;
}

.step-number {
  display: flex;
  justify-content: center;
  padding-top: 2px;
}

.step-number span {
  font-family: var(--font-mono);
  font-size: 16px;
  font-weight: 600;
  color: var(--violet);
  letter-spacing: 0.08em;
  width: 38px;
  height: 38px;
  border-radius: 50%;
  border: 1.5px solid rgba(132,94,247,0.22);
  background: var(--violet-dim);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background 0.2s, border-color 0.2s, box-shadow 0.2s;
}

.step:hover .step-number span {
  background: rgba(132,94,247,0.14);
  border-color: rgba(132,94,247,0.38);
  box-shadow: 0 0 0 4px rgba(132,94,247,0.07);
}

.step-connector {
  width: 1px;
  background: linear-gradient(to bottom, rgba(132,94,247,0.20), var(--border));
  margin: 38px 0 0;
  min-height: 56px;
}
.step-connector-last {
  background: transparent;
}

.step-content {
  padding: 0 0 52px;
}

.step-title {
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--text);
  margin-bottom: 10px;
  padding-top: 6px;
}

.step-desc {
  font-size: 16px;
  font-weight: 400;
  color: var(--text-secondary);
  line-height: 1.85;
}

/* --- Profile ---------------------------------------------- */
.profile-card {
  display: flex;
  align-items: flex-start;
  gap: 44px;
  max-width: 680px;
  margin: 0 auto;
  background: var(--bg-card);
  border: 1.5px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 44px 40px;
  transition: border-color 0.22s, box-shadow 0.22s;
  box-shadow: var(--shadow-card);
}
.profile-card:hover {
  border-color: var(--border-strong);
  box-shadow: var(--shadow-elevated);
}

.profile-avatar {
  flex-shrink: 0;
  width: 84px;
  height: 84px;
  border-radius: 50%;
  background: var(--grad);
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 4px 24px rgba(132,94,247,0.22);
}

.profile-avatar-inner {
  font-size: 2rem;
  font-weight: 700;
  color: #fff;
}

.profile-info {
  flex: 1;
}

.profile-name {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--text);
  margin-bottom: 4px;
}

.profile-role {
  font-size: 16px;
  font-weight: 500;
  color: var(--violet);
  letter-spacing: 0.04em;
  margin-bottom: 18px;
}

.profile-bio {
  font-size: 16px;
  font-weight: 400;
  color: var(--text-secondary);
  line-height: 1.85;
  margin-bottom: 22px;
}

.profile-threads {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 16px;
  font-weight: 500;
  color: var(--text-secondary);
  border: 1.5px solid var(--border);
  border-radius: var(--radius-pill);
  padding: 8px 18px;
  transition: color 0.2s, border-color 0.2s, background 0.2s, box-shadow 0.2s;
}
.profile-threads:hover {
  color: var(--text);
  border-color: var(--border-strong);
  background: var(--bg-hover);
  box-shadow: var(--shadow-card);
}

/* --- Contact Form ----------------------------------------- */
.contact-form {
  max-width: 640px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 28px;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.form-label {
  font-size: 16px;
  font-weight: 600;
  color: var(--text);
}

.form-required {
  color: var(--coral);
  margin-left: 2px;
}

.form-input,
.form-textarea {
  width: 100%;
  padding: 14px 18px;
  font-size: 16px;
  font-family: var(--font-main);
  color: var(--text);
  background: var(--bg-card);
  border: 1.5px solid var(--border);
  border-radius: var(--radius-sm);
  outline: none;
  transition: border-color 0.2s, box-shadow 0.2s;
  line-height: 1.6;
}

.form-input:focus,
.form-textarea:focus {
  border-color: var(--violet);
  box-shadow: 0 0 0 3px var(--violet-dim);
}

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

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

.form-radio-group {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.form-radio {
  display: flex;
  align-items: center;
  gap: 10px;
  cursor: pointer;
  font-size: 16px;
  color: var(--text);
  padding: 10px 14px;
  border: 1.5px solid var(--border);
  border-radius: var(--radius-sm);
  transition: border-color 0.2s, background 0.2s;
}

.form-radio:hover {
  border-color: var(--border-strong);
  background: var(--bg-hover);
}

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

.form-radio-mark {
  width: 20px;
  height: 20px;
  border-radius: 50%;
  border: 2px solid var(--border-strong);
  flex-shrink: 0;
  position: relative;
  transition: border-color 0.2s;
}

.form-radio input[type="radio"]:checked + .form-radio-mark {
  border-color: var(--violet);
}

.form-radio input[type="radio"]:checked + .form-radio-mark::after {
  content: '';
  position: absolute;
  top: 3px;
  left: 3px;
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--violet);
}

.form-radio input[type="radio"]:checked ~ span:last-child {
  color: var(--violet);
  font-weight: 500;
}

.form-submit {
  align-self: center;
  padding: 16px 48px;
  font-size: 16px;
  font-weight: 600;
  margin-top: 8px;
}

/* --- LINE CTA --------------------------------------------- */
.line-cta {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 20px;
  text-align: center;
  padding: 40px 20px;
}

.line-icon {
  width: 80px;
  height: 80px;
  border-radius: 50%;
  background: rgba(6, 199, 85, 0.08);
  display: flex;
  align-items: center;
  justify-content: center;
}

.line-title {
  font-size: 22px;
  font-weight: 700;
  color: var(--text);
}

.line-desc {
  font-size: 16px;
  color: var(--text-secondary);
  line-height: 1.8;
}

.btn-line {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 16px 40px;
  font-size: 16px;
  font-weight: 600;
  color: #fff;
  background: #06C755;
  border-radius: var(--radius-pill);
  text-decoration: none;
  transition: background 0.2s, transform 0.2s, box-shadow 0.2s;
  cursor: pointer;
}

.btn-line:hover {
  background: #05b04c;
  transform: translateY(-2px);
  box-shadow: 0 4px 24px rgba(6, 199, 85, 0.25);
}

.form-success {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 16px;
  padding: 60px 20px;
  text-align: center;
}

.form-success-icon {
  width: 64px;
  height: 64px;
  border-radius: 50%;
  background: var(--grad);
  color: #fff;
  font-size: 28px;
  font-weight: 700;
  display: flex;
  align-items: center;
  justify-content: center;
}

.form-success-title {
  font-size: 24px;
  font-weight: 700;
  color: var(--text);
}

.form-success-text {
  font-size: 16px;
  color: var(--text-secondary);
  line-height: 1.8;
}

/* --- Footer ----------------------------------------------- */
.footer {
  border-top: 1px solid var(--border);
  padding: 40px 0;
  background: var(--bg-surface);
}

.footer-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
}

.footer-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
}

.footer-copy {
  font-size: 16px;
  color: var(--text-dim);
  font-weight: 400;
}

.footer-threads {
  font-size: 16px;
  color: var(--text-secondary);
  font-weight: 500;
  transition: color 0.2s;
}
.footer-threads:hover {
  color: var(--text);
}

/* --- Responsive ------------------------------------------- */
@media (max-width: 768px) {
  /* Nav */
  .nav-links {
    display: none;
    position: fixed;
    top: 64px;
    left: 0;
    right: 0;
    background: rgba(255,255,255,0.98);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--border);
    flex-direction: column;
    align-items: stretch;
    padding: 12px 16px 20px;
    gap: 4px;
    z-index: 99;
    box-shadow: 0 8px 24px rgba(0,0,0,0.08);
  }
  .nav-links.nav-links-open {
    display: flex;
  }
  .nav-link,
  .nav-cta {
    padding: 12px 16px;
    border-radius: var(--radius-sm);
    margin: 0;
    width: 100%;
    display: block;
    text-align: left;
    font-size: 16px;
  }
  .nav-cta {
    margin-top: 8px;
    border-radius: var(--radius-sm);
    text-align: center;
  }
  .nav-hamburger {
    display: flex;
  }

  /* Hero */
  .hero {
    padding: 100px 0 64px;
  }
  .hero-heading {
    font-size: clamp(2.1rem, 9vw, 3rem);
  }

  /* Sections */
  .section {
    padding: 72px 0;
  }
  .section-header {
    margin-bottom: 44px;
  }
  .section-heading {
    font-size: clamp(1.6rem, 6vw, 2.2rem);
  }

  /* Pain */
  .pain-grid {
    grid-template-columns: 1fr;
  }

  /* Pricing */
  .pricing-grid {
    grid-template-columns: 1fr;
  }
  .pricing-card-featured {
    order: -1;
  }

  /* Steps */
  .step {
    grid-template-columns: 48px 1px 1fr;
    gap: 0 18px;
  }

  /* Profile */
  .profile-card {
    flex-direction: column;
    align-items: center;
    text-align: center;
    gap: 24px;
    padding: 32px 24px;
  }
  .profile-threads {
    margin: 0 auto;
  }

  /* Footer */
  .footer-inner {
    flex-direction: column;
    text-align: center;
    gap: 14px;
  }
}

@media (max-width: 480px) {
  html {
    font-size: 16px;
  }
  .container {
    padding: 0 18px;
  }
  .hero-heading {
    font-size: 2.1rem;
  }
  .btn {
    padding: 14px 28px;
  }
  .pricing-card {
    padding: 28px 22px;
  }
  .pricing-price {
    font-size: 2.4rem;
  }
  .profile-card {
    padding: 28px 20px;
  }
}