/* ============================================================
   AIエージェントビルダー養成講座 — style.css
   design.md の定義に厳密に従うこと
   ============================================================ */

/* ==========================
   1. CSS Variables (Design Tokens)
========================== */
:root {
  /* Colors */
  --color-primary: #18408a;
  --color-primary-hover: #102d63;
  --color-primary-deep: #0a2456;
  --color-brand-blue: #4578d8;
  --color-brand-aqua: #2aaadd;
  --gradient-brand: linear-gradient(90deg, #4578d8 0%, #2aaadd 100%);

  --color-text: #0f1b3d;
  --color-text-mute: #5b6478;
  --color-text-on-brand: #ffffff;
  --color-text-on-brand-mute: rgba(255, 255, 255, 0.85);

  --color-bg: #ffffff;
  --color-bg-soft: #f5f8fc;
  --color-bg-cool: #eef3fa;
  --color-border: #e1e7f0;

  --color-success: #2d9d78;
  --color-warning: #d97706;
  --color-danger: #d94545;

  --shadow-card:
    0 3px 10px rgba(69, 120, 216, 0.14),
    0 20px 44px rgba(42, 170, 221, 0.10);
  --shadow-card-strong:
    0 6px 16px rgba(69, 120, 216, 0.22),
    0 32px 64px rgba(42, 170, 221, 0.16);

  /* Fonts */
  --font-jp: 'Noto Sans JP', 'Hiragino Kaku Gothic ProN', 'ヒラギノ角ゴ ProN W3', sans-serif;
  --font-en: 'Inter', 'Helvetica Neue', Arial, sans-serif;

  /* Type Scale */
  --text-xs: 0.75rem;
  --text-sm: 0.875rem;
  --text-base: 1rem;
  --text-lg: 1.125rem;
  --text-xl: 1.5rem;
  --text-2xl: 2rem;
  --text-3xl: 2.75rem;
  --text-hero: 3.5rem;

  /* Spacing */
  --space-1: 0.5rem;
  --space-2: 1rem;
  --space-3: 1.5rem;
  --space-4: 2rem;
  --space-6: 3rem;
  --space-8: 4rem;
  --space-12: 6rem;
  --space-16: 8rem;

  /* Layout */
  --container-max: 1120px;
  --container-narrow: 800px;

  /* Radius */
  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 16px;
}

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

html {
  font-family: var(--font-jp);
  font-size: 16px;
  color: var(--color-text);
  background: var(--color-bg);
  scroll-behavior: smooth;
}

body { line-height: 1.8; }

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

ul, ol { list-style: none; }

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

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

/* ==========================
   3. Layout
========================== */
.l-container {
  width: 100%;
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 var(--space-4);
}

.l-container--narrow {
  max-width: var(--container-narrow);
}

.l-section {
  padding: var(--space-12) 0;
}

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

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

/* ==========================
   4. Header
========================== */
.l-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(255, 255, 255, 0.96);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--color-border);
}

.l-header__inner {
  display: flex;
  align-items: center;
  gap: var(--space-4);
  height: 64px;
}

/* ==========================
   5. Brand
========================== */
.c-brand {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  flex-shrink: 0;
  text-decoration: none;
}

.c-brand__mark {
  display: block;
  width: 28px;
  height: 28px;
  background: var(--gradient-brand);
  border-radius: 6px;
}

.c-brand__name {
  font-family: var(--font-en);
  font-weight: 700;
  font-size: var(--text-base);
  color: var(--color-primary);
  letter-spacing: 0.02em;
}

.c-brand--light .c-brand__name { color: #fff; }
.c-brand--light .c-brand__mark { opacity: 0.9; }

/* ==========================
   6. Nav
========================== */
.c-nav { margin-left: auto; }

.c-nav__list {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  list-style: none;
}

.c-nav__link {
  font-size: var(--text-sm);
  font-weight: 500;
  color: var(--color-text-mute);
  padding: var(--space-1) var(--space-2);
  border-radius: var(--radius-sm);
  transition: color 0.2s;
}

.c-nav__link:hover { color: var(--color-primary); }

/* ==========================
   7. Buttons
========================== */
.c-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-1);
  font-family: var(--font-jp);
  font-weight: 500;
  font-size: var(--text-base);
  padding: 0.75rem 1.75rem;
  border-radius: var(--radius-md);
  transition: background 0.2s, color 0.2s, box-shadow 0.2s;
  cursor: pointer;
  text-decoration: none;
  white-space: nowrap;
}

.c-button--primary {
  background: var(--color-primary);
  color: #fff;
}
.c-button--primary:hover {
  background: var(--color-primary-hover);
  box-shadow: 0 4px 12px rgba(24, 64, 138, 0.3);
}

.c-button--secondary {
  background: var(--color-bg-cool);
  color: var(--color-primary);
}
.c-button--secondary:hover {
  background: var(--color-border);
}

.c-button--ghost {
  background: transparent;
  color: #fff;
  border: 1.5px solid rgba(255, 255, 255, 0.7);
}
.c-button--ghost:hover {
  background: rgba(255, 255, 255, 0.12);
}

.c-button--sm {
  font-size: var(--text-sm);
  padding: 0.5rem 1.25rem;
}

/* ==========================
   8. Section Head
========================== */
.c-section-head {
  margin-bottom: var(--space-8);
}

.c-section-head--center {
  text-align: center;
}

.c-section-head__eyebrow {
  font-family: var(--font-en);
  font-size: var(--text-sm);
  font-weight: 600;
  color: var(--color-brand-blue);
  letter-spacing: 0.14em;
  text-transform: uppercase;
  margin-bottom: var(--space-2);
}

.c-section-head__title {
  font-size: var(--text-2xl);
  font-weight: 700;
  color: var(--color-primary);
  line-height: 1.35;
  margin-bottom: var(--space-3);
  font-kerning: normal;
  font-feature-settings: "palt" 1;
  letter-spacing: 0.02em;
}

.c-section-head__lead {
  font-size: var(--text-base);
  color: var(--color-text-mute);
  max-width: 640px;
}

.c-section-head--center .c-section-head__lead {
  margin: 0 auto;
}

/* ==========================
   9. Hero
========================== */
.p-hero {
  background: var(--gradient-brand);
  position: relative;
  overflow: hidden;
}

.p-hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse at 60% 50%, rgba(255,255,255,0.10) 0%, transparent 70%);
  pointer-events: none;
}

.p-hero__inner {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-8);
  padding-top: var(--space-12);
  padding-bottom: var(--space-12);
}

.p-hero__copy { text-align: center; }

.p-hero__eyebrow {
  font-family: var(--font-en);
  font-size: var(--text-sm);
  font-weight: 600;
  color: var(--color-text-on-brand-mute);
  letter-spacing: 0.16em;
  text-transform: uppercase;
  margin-bottom: var(--space-3);
}

.p-hero__title {
  font-size: 2.25rem;
  font-weight: 900;
  color: var(--color-text-on-brand);
  line-height: 1.3;
  margin-bottom: var(--space-4);
  font-kerning: normal;
  font-feature-settings: "palt" 1;
  letter-spacing: 0.02em;
  text-shadow: 0 4px 18px rgba(10, 36, 86, 0.15);
}

.p-hero__lead {
  font-size: var(--text-base);
  color: var(--color-text-on-brand-mute);
  line-height: 1.8;
  margin-bottom: var(--space-6);
}

.p-hero__actions {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-3);
}

.p-hero__actions .c-button {
  min-width: 240px;
}

.p-hero__visual { width: 100%; max-width: 480px; }

.p-hero__img {
  width: 100%;
  height: auto;
  border-radius: var(--radius-lg);
  box-shadow: 0 20px 60px rgba(10, 36, 86, 0.25);
}

/* ==========================
   10. Issues
========================== */
.p-issues {
  position: relative;
}

.p-issues__grid {
  display: grid;
  gap: var(--space-4);
  grid-template-columns: 1fr;
}

.p-issues__item {
  background: var(--color-bg);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-card);
  overflow: hidden;
  display: flex;
  flex-direction: column;
}

.p-issues__item-visual {
  height: 160px;
  display: flex;
  align-items: flex-end;
  justify-content: center;
  overflow: hidden;
  background: var(--color-bg-soft);
  padding: var(--space-3) var(--space-3) 0;
}

.p-issues__item-visual img {
  max-width: 100%;
  max-height: 100%;
  width: auto;
  height: auto;
  object-fit: contain;
}

.p-issues__item-body {
  padding: var(--space-4);
  flex: 1;
}

.p-issues__item-title {
  font-size: var(--text-lg);
  font-weight: 700;
  color: var(--color-primary);
  line-height: 1.4;
  margin-bottom: var(--space-2);
}

.p-issues__item-text {
  font-size: var(--text-sm);
  color: var(--color-text-mute);
  line-height: 1.8;
}

/* ==========================
   11. Inline CTA (p-cta)
========================== */
.p-cta {
  background: var(--gradient-brand);
  padding: var(--space-12) 0;
  position: relative;
  overflow: hidden;
}

.p-cta::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse at 50% 50%, rgba(255,255,255,0.08) 0%, transparent 70%);
  pointer-events: none;
}

.p-cta__inner {
  text-align: center;
  position: relative;
}

.p-cta__eyebrow {
  font-family: var(--font-en);
  font-size: var(--text-sm);
  font-weight: 600;
  color: var(--color-text-on-brand-mute);
  letter-spacing: 0.14em;
  text-transform: uppercase;
  margin-bottom: var(--space-3);
}

.p-cta__title {
  font-size: var(--text-xl);
  font-weight: 700;
  color: var(--color-text-on-brand);
  line-height: 1.4;
  margin-bottom: var(--space-3);
  font-kerning: normal;
  font-feature-settings: "palt" 1;
}

.p-cta__lead {
  font-size: var(--text-base);
  color: var(--color-text-on-brand-mute);
  margin-bottom: var(--space-6);
  max-width: 560px;
  margin-left: auto;
  margin-right: auto;
}

.p-cta__actions {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-3);
}

.p-cta__actions .c-button { min-width: 220px; }

/* ==========================
   12. Solution
========================== */
.p-solution__list {
  display: flex;
  flex-direction: column;
  gap: var(--space-12);
  max-width: 1400px;
  margin: 0 auto;
  padding: 0 var(--space-4);
}

.p-solution__item {
  display: flex;
  flex-direction: column;
  gap: var(--space-6);
  align-items: center;
}

.p-solution__item-img-wrap {
  width: 100%;
  border-radius: var(--radius-lg);
  overflow: hidden;
}

.p-solution__item-img {
  width: 100%;
  height: auto;
  display: block;
  object-fit: cover;
}

.p-solution__item-label {
  font-family: var(--font-en);
  font-size: var(--text-sm);
  font-weight: 600;
  color: var(--color-brand-blue);
  letter-spacing: 0.1em;
  margin-bottom: var(--space-2);
}

.p-solution__item-title {
  font-size: var(--text-xl);
  font-weight: 700;
  color: var(--color-primary);
  line-height: 1.35;
  margin-bottom: var(--space-3);
  font-kerning: normal;
  font-feature-settings: "palt" 1;
}

.p-solution__item-text {
  font-size: var(--text-base);
  color: var(--color-text-mute);
  line-height: 1.8;
  margin-bottom: var(--space-4);
}

.p-solution__item-list {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}

.p-solution__item-list li {
  display: flex;
  align-items: flex-start;
  gap: var(--space-2);
  font-size: var(--text-sm);
  color: var(--color-text);
}

.p-solution__item-list li::before {
  content: '';
  display: block;
  width: 18px;
  height: 18px;
  min-width: 18px;
  margin-top: 2px;
  background: var(--gradient-brand);
  border-radius: 50%;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='white' stroke-width='3' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='20 6 9 17 4 12'/%3E%3C/svg%3E");
  background-size: 12px;
  background-repeat: no-repeat;
  background-position: center;
  background-color: var(--color-brand-blue);
}

/* ==========================
   13. Curriculum
========================== */
.p-curriculum__list {
  display: flex;
  flex-direction: column;
  gap: 0;
  max-width: 720px;
  margin: 0 auto;
  position: relative;
}

.p-curriculum__item {
  display: flex;
  gap: var(--space-6);
  align-items: flex-start;
  position: relative;
  padding-bottom: var(--space-6);
}

.p-curriculum__item:not(:last-child)::before {
  content: '';
  position: absolute;
  left: 32px;
  top: 64px;
  bottom: 0;
  width: 2px;
  border-left: 2px dashed var(--color-border);
}

.p-curriculum__week {
  display: flex;
  flex-direction: column;
  align-items: center;
  flex-shrink: 0;
  background: var(--color-bg);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-card);
  width: 64px;
  padding: var(--space-2) var(--space-1);
  position: relative;
  z-index: 1;
}

.p-curriculum__week-label {
  font-family: var(--font-en);
  font-size: 0.625rem;
  font-weight: 600;
  color: var(--color-text-mute);
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.p-curriculum__week-number {
  font-family: var(--font-en);
  font-size: 1.75rem;
  font-weight: 700;
  background: var(--gradient-brand);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  line-height: 1.2;
}

.p-curriculum__body {
  background: var(--color-bg);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-card);
  padding: var(--space-4);
  flex: 1;
}

.p-curriculum__title {
  font-size: var(--text-lg);
  font-weight: 700;
  color: var(--color-primary);
  margin-bottom: var(--space-2);
  line-height: 1.4;
}

.p-curriculum__text {
  font-size: var(--text-sm);
  color: var(--color-text-mute);
  line-height: 1.8;
}

/* ==========================
   14. Strengths
========================== */
.p-strengths__grid {
  display: grid;
  gap: var(--space-4);
  grid-template-columns: 1fr;
}

.p-strengths__item {
  background: var(--color-bg);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-card);
  padding: var(--space-6);
  text-align: center;
}

.p-strengths__metric {
  margin-bottom: var(--space-1);
}

.p-strengths__metric-number {
  font-family: var(--font-en);
  font-size: 3.5rem;
  font-weight: 700;
  background: var(--gradient-brand);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  line-height: 1;
}

.p-strengths__metric-unit {
  font-size: var(--text-lg);
  font-weight: 700;
  color: var(--color-brand-blue);
}

.p-strengths__item-title {
  font-size: var(--text-lg);
  font-weight: 700;
  color: var(--color-primary);
  margin-bottom: var(--space-2);
  line-height: 1.4;
}

.p-strengths__item-text {
  font-size: var(--text-sm);
  color: var(--color-text-mute);
  line-height: 1.8;
}

/* ==========================
   15. Pricing
========================== */
.p-pricing__grid {
  display: grid;
  gap: var(--space-4);
  grid-template-columns: 1fr;
  align-items: start;
  margin-bottom: var(--space-6);
}

.p-pricing__item {
  background: var(--color-bg);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-card);
  padding: var(--space-6);
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

.p-pricing__item--recommended {
  box-shadow: var(--shadow-card-strong);
  position: relative;
}

.p-pricing__badge {
  display: inline-block;
  font-size: var(--text-xs);
  font-weight: 700;
  padding: 0.25rem 0.75rem;
  border-radius: 100px;
  background: var(--gradient-brand);
  color: #fff;
  letter-spacing: 0.06em;
  width: fit-content;
}

.p-pricing__plan-name {
  font-size: var(--text-xl);
  font-weight: 700;
  color: var(--color-primary);
}

.p-pricing__plan-desc {
  font-size: var(--text-sm);
  color: var(--color-text-mute);
  line-height: 1.7;
}

.p-pricing__price {
  display: flex;
  align-items: baseline;
  gap: 0.25rem;
  flex-wrap: wrap;
}

.p-pricing__price-currency {
  font-family: var(--font-en);
  font-size: var(--text-xl);
  font-weight: 700;
  color: var(--color-primary);
}

.p-pricing__price-amount {
  font-family: var(--font-en);
  font-size: 2.5rem;
  font-weight: 700;
  color: var(--color-primary);
  line-height: 1;
}

.p-pricing__price-amount--custom {
  font-size: var(--text-2xl);
}

.p-pricing__price-period {
  font-size: var(--text-sm);
  color: var(--color-text-mute);
}

.p-pricing__subsidy {
  font-size: var(--text-xs);
  color: var(--color-success);
  font-weight: 500;
}

.p-pricing__features-list {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
  flex: 1;
}

.p-pricing__features-list li {
  display: flex;
  align-items: flex-start;
  gap: var(--space-2);
  font-size: var(--text-sm);
  color: var(--color-text);
}

.p-pricing__features-list li::before {
  content: '✓';
  color: var(--color-brand-aqua);
  font-weight: 700;
  flex-shrink: 0;
}

.p-pricing__subsidy-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-2);
}

.p-pricing__subsidy-box {
  border-radius: var(--radius-md);
  padding: var(--space-2) var(--space-3);
}

.p-pricing__subsidy-box--sme {
  background: #fff4ed;
}

.p-pricing__subsidy-box--large {
  background: #f0f0fa;
}

.p-pricing__subsidy-label {
  font-size: var(--text-xs);
  font-weight: 600;
  margin-bottom: 0.25rem;
}

.p-pricing__subsidy-box--sme .p-pricing__subsidy-label { color: #c05a1f; }
.p-pricing__subsidy-box--large .p-pricing__subsidy-label { color: #5046a5; }

.p-pricing__subsidy-price {
  font-size: var(--text-sm);
  color: var(--color-text);
}

.p-pricing__subsidy-price strong {
  font-size: 1.25rem;
  font-family: var(--font-en);
  font-weight: 700;
}

.p-pricing__subsidy-note {
  background: var(--color-bg-cool);
  border-radius: var(--radius-md);
  padding: var(--space-4);
}

.p-pricing__note {
  font-size: var(--text-sm);
  color: var(--color-text-mute);
  line-height: 1.7;
}

/* ==========================
   16. FAQ
========================== */
.p-faq__list {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}

.p-faq__item {
  background: var(--color-bg);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-card);
  overflow: hidden;
}

.p-faq__question {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-4);
  padding: var(--space-4);
  text-align: left;
  font-size: var(--text-base);
  font-weight: 700;
  color: var(--color-primary);
  cursor: pointer;
  transition: background 0.2s;
}

.p-faq__question:hover { background: var(--color-bg-soft); }

.p-faq__icon {
  display: block;
  width: 20px;
  height: 20px;
  min-width: 20px;
  position: relative;
  flex-shrink: 0;
}

.p-faq__icon::before,
.p-faq__icon::after {
  content: '';
  position: absolute;
  background: var(--color-brand-blue);
  border-radius: 2px;
  transition: transform 0.25s;
}

.p-faq__icon::before {
  width: 14px;
  height: 2px;
  top: 9px;
  left: 3px;
}

.p-faq__icon::after {
  width: 2px;
  height: 14px;
  top: 3px;
  left: 9px;
}

.p-faq__question[aria-expanded="true"] .p-faq__icon::after {
  transform: rotate(90deg);
}

.p-faq__answer {
  display: none;
  padding: 0 var(--space-4) var(--space-4);
  font-size: var(--text-sm);
  color: var(--color-text-mute);
  line-height: 1.8;
}

.p-faq__answer.is-open { display: block; }

/* ==========================
   17. Final CTA
========================== */
.p-final-cta {
  background: var(--gradient-brand);
  padding: var(--space-16) 0;
  position: relative;
  overflow: hidden;
}

.p-final-cta::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse at 50% 50%, rgba(255,255,255,0.10) 0%, transparent 65%);
  pointer-events: none;
}

.p-final-cta__inner {
  text-align: center;
  position: relative;
}

.p-final-cta__eyebrow {
  font-family: var(--font-en);
  font-size: var(--text-sm);
  font-weight: 600;
  color: var(--color-text-on-brand-mute);
  letter-spacing: 0.16em;
  text-transform: uppercase;
  margin-bottom: var(--space-3);
}

.p-final-cta__title {
  font-size: var(--text-3xl);
  font-weight: 900;
  color: var(--color-text-on-brand);
  line-height: 1.3;
  margin-bottom: var(--space-4);
  font-kerning: normal;
  font-feature-settings: "palt" 1;
  letter-spacing: 0.02em;
  text-shadow: 0 4px 18px rgba(10, 36, 86, 0.15);
}

.p-final-cta__lead {
  font-size: var(--text-lg);
  color: var(--color-text-on-brand-mute);
  margin-bottom: var(--space-8);
  line-height: 1.8;
}

/* ==========================
   18. Contact
========================== */
.p-contact__form {
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
}

.p-contact__field {
  display: flex;
  flex-direction: column;
  gap: var(--space-1);
}

.p-contact__label {
  font-size: var(--text-sm);
  font-weight: 700;
  color: var(--color-text);
  display: flex;
  align-items: center;
  gap: var(--space-2);
}

.p-contact__badge {
  font-size: var(--text-xs);
  font-weight: 700;
  padding: 0.1rem 0.5rem;
  border-radius: 4px;
}

.p-contact__badge--required {
  background: var(--color-danger);
  color: #fff;
}

.p-contact__badge--optional {
  background: var(--color-border);
  color: var(--color-text-mute);
}

.p-contact__input,
.p-contact__textarea {
  font-family: var(--font-jp);
  font-size: var(--text-base);
  color: var(--color-text);
  background: var(--color-bg);
  border: 1.5px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 0.75rem 1rem;
  width: 100%;
  transition: border-color 0.2s, box-shadow 0.2s;
  appearance: none;
}

.p-contact__input:focus,
.p-contact__textarea:focus {
  outline: none;
  border-color: var(--color-brand-blue);
  box-shadow: 0 0 0 3px rgba(69, 120, 216, 0.15);
}

.p-contact__textarea { resize: vertical; }

.p-contact__agree {
  display: flex;
  align-items: center;
  gap: var(--space-2);
}

.p-contact__checkbox {
  width: 18px;
  height: 18px;
  accent-color: var(--color-primary);
  flex-shrink: 0;
}

.p-contact__agree-label {
  font-size: var(--text-sm);
  color: var(--color-text-mute);
}

.p-contact__agree-link {
  color: var(--color-brand-blue);
  text-decoration: underline;
}

.p-contact__submit {
  width: 100%;
  font-size: var(--text-base);
  padding: 1rem;
}

/* ==========================
   19. Footer
========================== */
.l-footer {
  background: var(--color-primary-deep);
  color: rgba(255, 255, 255, 0.7);
  padding: var(--space-8) 0 var(--space-4);
}

.l-footer__inner {
  display: flex;
  flex-direction: column;
  gap: var(--space-6);
}

.l-footer__tagline {
  font-family: var(--font-en);
  font-size: var(--text-xs);
  color: rgba(255, 255, 255, 0.5);
  margin-top: var(--space-1);
  letter-spacing: 0.08em;
}

.l-footer__nav-list {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2) var(--space-4);
}

.l-footer__nav-list a {
  font-size: var(--text-sm);
  color: rgba(255, 255, 255, 0.7);
  transition: color 0.2s;
}

.l-footer__nav-list a:hover { color: #fff; }

.l-footer__bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  padding-top: var(--space-4);
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}

.l-footer__copy {
  font-size: var(--text-xs);
  color: rgba(255, 255, 255, 0.4);
}

.l-footer__legal {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-1) var(--space-3);
}

.l-footer__legal a {
  font-size: var(--text-xs);
  color: rgba(255, 255, 255, 0.4);
  transition: color 0.2s;
}

.l-footer__legal a:hover { color: rgba(255, 255, 255, 0.7); }

/* ==========================
   20. Focus Visible
========================== */
:focus-visible {
  outline: 2px solid var(--color-brand-blue);
  outline-offset: 2px;
}

/* ==========================
   21. Tablet (768px+)
========================== */
@media (min-width: 768px) {
  .p-hero__inner {
    flex-direction: row;
    align-items: center;
    justify-content: space-between;
    padding-top: var(--space-16);
    padding-bottom: var(--space-16);
  }

  .p-hero__copy {
    text-align: left;
    flex: 1;
  }

  .p-hero__title {
    font-size: var(--text-3xl);
  }

  .p-hero__actions {
    flex-direction: row;
    align-items: flex-start;
  }

  .p-hero__actions .c-button { min-width: auto; }

  .p-hero__visual {
    flex: 1;
    max-width: 440px;
  }

  .p-issues__grid {
    grid-template-columns: repeat(3, 1fr);
  }

  .p-strengths__grid {
    grid-template-columns: repeat(3, 1fr);
  }

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

  .p-cta__actions {
    flex-direction: row;
    justify-content: center;
  }

  .p-cta__actions .c-button { min-width: auto; }

  .p-solution__item {
    flex-direction: row;
    align-items: center;
  }

  .p-solution__item--reverse {
    flex-direction: row-reverse;
  }

  .p-solution__item-img-wrap {
    flex: 2;
  }

  .p-solution__item-img {
    height: 280px;
    object-fit: cover;
  }

  .p-solution__item-body {
    flex: 2;
  }
}

/* ==========================
   22. Desktop (1024px+)
========================== */
@media (min-width: 1024px) {
  .c-nav { display: block; }

  .p-hero__title {
    font-size: var(--text-hero);
  }

  .p-pricing__grid {
    grid-template-columns: repeat(3, 1fr);
  }

  .p-final-cta__title {
    font-size: var(--text-hero);
  }
}