/* ==========================================================================
   Kickoff Abroad — Main Stylesheet
   Soccer Study Abroad Agency
   ========================================================================== */

/* --------------------------------------------------------------------------
   1. CSS Custom Properties
   -------------------------------------------------------------------------- */
:root {
  /* Colors */
  --color-primary: #034694;
  --color-primary-light: #1a5dba;
  --color-primary-dark: #022a5c;
  --color-primary-rgb: 3, 70, 148;
  --color-secondary: #D4A843;
  --color-secondary-light: #e0c06a;
  --color-secondary-dark: #b8902e;
  --color-dark: #0a1628;
  --color-light: #f8f9fa;
  --color-white: #ffffff;
  --color-text: #1f2937;
  --color-text-light: #6b7280;
  --color-text-lighter: #9ca3af;
  --color-border: #e5e7eb;
  --color-border-light: #f3f4f6;
  --color-success: #10b981;
  --color-error: #ef4444;

  /* Typography */
  --font-heading: 'Inter', sans-serif;
  --font-body: 'Noto Sans JP', sans-serif;
  --font-size-xs: 0.75rem;
  --font-size-sm: 0.875rem;
  --font-size-base: 1rem;
  --font-size-lg: 1.125rem;
  --font-size-xl: 1.25rem;
  --font-size-2xl: 1.5rem;
  --font-size-3xl: 2rem;
  --font-size-4xl: 2.5rem;
  --font-size-5xl: 3.5rem;

  /* Spacing */
  --space-xs: 0.5rem;
  --space-sm: 1rem;
  --space-md: 2rem;
  --space-lg: 4rem;
  --space-xl: 6rem;
  --space-2xl: 8rem;

  /* Layout */
  --container-width: 1200px;
  --container-narrow: 800px;
  --container-padding: 1.5rem;
  --header-height: 80px;

  /* Borders & Shadows */
  --radius-sm: 6px;
  --radius-md: 8px;
  --radius-lg: 10px;
  --radius-xl: 14px;
  --radius-full: 999px;
  --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.08);
  --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.1);
  --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.12);
  --shadow-xl: 0 16px 48px rgba(0, 0, 0, 0.16);
  --shadow-primary: 0 8px 24px rgba(3, 70, 148, 0.3);

  /* Transitions */
  --transition-fast: 0.15s ease;
  --transition-base: 0.3s ease;
  --transition-slow: 0.5s ease;
  --transition-spring: 0.4s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

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

html {
  scroll-behavior: smooth;
  scroll-padding-top: var(--header-height);
  -webkit-text-size-adjust: 100%;
  font-size: 16px;
}

body {
  font-family: var(--font-body);
  font-size: var(--font-size-base);
  line-height: 1.7;
  color: var(--color-text);
  background-color: var(--color-white);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}

body.menu-open {
  overflow: hidden;
}

::selection {
  background-color: var(--color-primary);
  color: var(--color-white);
}

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

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

a:hover {
  color: var(--color-primary-light);
}

a:focus-visible,
button:focus-visible,
input:focus-visible,
textarea:focus-visible,
select:focus-visible {
  outline: 3px solid var(--color-primary);
  outline-offset: 2px;
  border-radius: var(--radius-sm);
}

ul, ol {
  list-style: none;
}

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

/* Skip Link */
.skip-link {
  position: absolute;
  top: -100%;
  left: var(--space-sm);
  background: var(--color-primary);
  color: var(--color-white);
  padding: var(--space-xs) var(--space-sm);
  border-radius: var(--radius-sm);
  z-index: 10000;
  font-weight: 600;
  transition: top var(--transition-fast);
}

.skip-link:focus {
  top: var(--space-sm);
}

/* --------------------------------------------------------------------------
   3. Typography
   -------------------------------------------------------------------------- */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  font-weight: 700;
  line-height: 1.2;
  color: var(--color-dark);
  letter-spacing: 0;
}

h1 {
  font-size: clamp(var(--font-size-3xl), 5vw, var(--font-size-5xl));
}

h2 {
  font-size: clamp(var(--font-size-2xl), 3.5vw, var(--font-size-4xl));
}

h3 {
  font-size: clamp(var(--font-size-xl), 2.5vw, var(--font-size-2xl));
}

h4 {
  font-size: var(--font-size-xl);
}

h5 {
  font-size: var(--font-size-lg);
}

h6 {
  font-size: var(--font-size-base);
}

p {
  margin-bottom: 1em;
  line-height: 1.8;
}

p:last-child {
  margin-bottom: 0;
}

.section-header {
  text-align: center;
  margin-bottom: var(--space-lg);
}

.section-title {
  font-size: clamp(var(--font-size-2xl), 3.5vw, var(--font-size-4xl));
  font-weight: 800;
  text-align: center;
  margin-bottom: var(--space-sm);
  position: relative;
  display: inline-block;
}

.section-title::after {
  content: '';
  display: block;
  width: 60px;
  height: 4px;
  background: linear-gradient(135deg, var(--color-primary), var(--color-secondary));
  border-radius: var(--radius-md);
  margin: var(--space-sm) auto 0;
}

.section-subtitle {
  font-size: var(--font-size-lg);
  color: var(--color-text-light);
  text-align: center;
  max-width: 600px;
  margin: 0 auto;
  line-height: 1.8;
}

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

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

.section {
  padding: var(--space-xl) 0;
  position: relative;
}

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

.section-dark h2,
.section-dark h3,
.section-dark h4 {
  color: var(--color-white);
}

.section-dark .section-title::after {
  background: linear-gradient(135deg, var(--color-secondary), var(--color-secondary-light));
}

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

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

.grid-3 {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-md);
}

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

@media (min-width: 768px) {
  .grid-2 {
    grid-template-columns: repeat(2, 1fr);
  }

  .grid-3 {
    grid-template-columns: repeat(2, 1fr);
  }

  .grid-4 {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 1024px) {
  .grid-3 {
    grid-template-columns: repeat(3, 1fr);
  }

  .grid-4 {
    grid-template-columns: repeat(4, 1fr);
  }
}

/* --------------------------------------------------------------------------
   5. Buttons
   -------------------------------------------------------------------------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5em;
  padding: 0.875rem 2rem;
  font-family: var(--font-heading);
  font-size: var(--font-size-base);
  font-weight: 600;
  border-radius: var(--radius-md);
  border: 2px solid transparent;
  cursor: pointer;
  transition: all var(--transition-base);
  text-decoration: none;
  line-height: 1;
  white-space: nowrap;
  position: relative;
  overflow: hidden;
}

.btn::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(255,255,255,0.2), transparent);
  opacity: 0;
  transition: opacity var(--transition-base);
}

.btn:hover::before {
  opacity: 1;
}

.btn-primary {
  background: var(--color-primary);
  color: var(--color-white);
  box-shadow: var(--shadow-primary);
}

.btn-primary:hover {
  transform: translateY(-2px) scale(1.02);
  box-shadow: 0 12px 32px rgba(3, 70, 148, 0.4);
  color: var(--color-white);
}

.btn-primary:active {
  transform: translateY(0) scale(0.98);
}

.btn-secondary {
  background: var(--color-secondary);
  color: var(--color-dark);
}

.btn-secondary:hover {
  transform: translateY(-2px) scale(1.02);
  box-shadow: 0 8px 24px rgba(212, 168, 67, 0.4);
  color: var(--color-dark);
}

.btn-outline {
  background: transparent;
  color: var(--color-primary);
  border-color: var(--color-primary);
}

.btn-outline:hover {
  background: var(--color-primary);
  color: var(--color-white);
  transform: translateY(-2px);
  box-shadow: var(--shadow-primary);
}

.btn-outline-white {
  background: transparent;
  color: var(--color-white);
  border-color: rgba(255, 255, 255, 0.5);
}

.btn-outline-white:hover {
  background: var(--color-white);
  color: var(--color-primary);
  transform: translateY(-2px);
}

.btn-large {
  padding: 1.125rem 2.5rem;
  font-size: var(--font-size-lg);
}

.btn-small {
  padding: 0.5rem 1.25rem;
  font-size: var(--font-size-sm);
}

/* --------------------------------------------------------------------------
   6. Cards (Base)
   -------------------------------------------------------------------------- */
.card {
  background: var(--color-white);
  border-radius: var(--radius-md);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  transition: all var(--transition-spring);
  border: 1px solid var(--color-border-light);
}

.card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-lg);
  border-color: transparent;
}

.card-image {
  overflow: hidden;
  position: relative;
}

.card-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--transition-slow);
}

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

.card-content {
  padding: var(--space-md);
}

.card-content h3 {
  margin-bottom: 0.75rem;
  font-size: var(--font-size-xl);
}

.card-content p {
  color: var(--color-text-light);
  font-size: var(--font-size-sm);
  line-height: 1.7;
}

/* --------------------------------------------------------------------------
   7. Page Hero
   -------------------------------------------------------------------------- */
.page-hero {
  min-height: 34vh;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, var(--color-primary-dark), var(--color-primary), var(--color-primary-light));
  position: relative;
  overflow: hidden;
  padding-top: var(--header-height);
}

.page-hero::before {
  content: none;
}

/* Decorative soccer ball pattern */
.page-hero::after {
  content: none;
}

.page-hero-content {
  position: relative;
  z-index: 1;
  text-align: center;
  padding: var(--space-lg) var(--container-padding);
}

.page-title {
  font-size: clamp(var(--font-size-3xl), 5vw, var(--font-size-5xl));
  font-weight: 760;
  color: var(--color-white);
  margin-bottom: var(--space-sm);
  text-shadow: 0 2px 4px rgba(0, 0, 0, 0.2);
}

.page-subtitle {
  font-size: clamp(var(--font-size-base), 2vw, var(--font-size-xl));
  color: rgba(255, 255, 255, 0.85);
  font-weight: 400;
  max-width: 600px;
  margin: 0 auto;
}

/* --------------------------------------------------------------------------
   8. Forms
   -------------------------------------------------------------------------- */
input[type="text"],
input[type="email"],
input[type="tel"],
input[type="url"],
input[type="number"],
input[type="search"],
input[type="password"],
textarea,
select {
  width: 100%;
  padding: 0.875rem 1.25rem;
  font-family: var(--font-body);
  font-size: var(--font-size-base);
  color: var(--color-text);
  background: var(--color-white);
  border: 2px solid var(--color-border);
  border-radius: var(--radius-sm);
  transition: border-color var(--transition-base), box-shadow var(--transition-base);
  appearance: none;
}

input:focus,
textarea:focus,
select:focus {
  border-color: var(--color-primary);
  box-shadow: 0 0 0 4px rgba(var(--color-primary-rgb), 0.1);
  outline: none;
}

input::placeholder,
textarea::placeholder {
  color: var(--color-text-lighter);
}

textarea {
  min-height: 150px;
  resize: vertical;
}

label {
  display: block;
  font-weight: 600;
  margin-bottom: 0.5rem;
  font-size: var(--font-size-sm);
  color: var(--color-text);
}

.form-group {
  margin-bottom: var(--space-sm);
}

/* --------------------------------------------------------------------------
   9. Tables
   -------------------------------------------------------------------------- */
.info-table {
  width: 100%;
  border-collapse: collapse;
  border-radius: var(--radius-md);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
}

.info-table th,
.info-table td {
  padding: 1.25rem 1.5rem;
  text-align: left;
  border-bottom: 1px solid var(--color-border-light);
}

.info-table th {
  background: var(--color-light);
  font-weight: 600;
  color: var(--color-primary-dark);
  width: 200px;
  white-space: nowrap;
  font-size: var(--font-size-sm);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.info-table td {
  background: var(--color-white);
}

.info-table tr:last-child th,
.info-table tr:last-child td {
  border-bottom: none;
}

.info-table tr:hover td {
  background: rgba(var(--color-primary-rgb), 0.02);
}

/* --------------------------------------------------------------------------
   10. Process Steps
   -------------------------------------------------------------------------- */
.process-steps {
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
  padding: var(--space-md) 0;
}

.process-step {
  display: flex;
  align-items: flex-start;
  gap: var(--space-md);
  position: relative;
}

.process-step-number {
  flex-shrink: 0;
  width: 60px;
  height: 60px;
  background: linear-gradient(135deg, var(--color-primary), var(--color-primary-light));
  color: var(--color-white);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-heading);
  font-weight: 800;
  font-size: var(--font-size-xl);
  box-shadow: var(--shadow-primary);
  position: relative;
  z-index: 1;
}

.process-step:not(:last-child)::after {
  content: '';
  position: absolute;
  left: 30px;
  top: 60px;
  width: 2px;
  height: calc(100% + var(--space-md) - 60px);
  background: linear-gradient(to bottom, var(--color-primary), var(--color-border));
}

.process-step-content h3 {
  font-size: var(--font-size-xl);
  margin-bottom: 0.5rem;
}

.process-step-content p {
  color: var(--color-text-light);
  font-size: var(--font-size-sm);
}

@media (min-width: 768px) {
  .process-steps {
    flex-direction: row;
    justify-content: space-between;
  }

  .process-step {
    flex-direction: column;
    align-items: center;
    text-align: center;
    flex: 1;
  }

  .process-step:not(:last-child)::after {
    left: calc(50% + 40px);
    top: 30px;
    width: calc(100% - 80px);
    height: 2px;
    background: linear-gradient(to right, var(--color-primary), var(--color-border));
  }
}

/* --------------------------------------------------------------------------
   11. Breadcrumb
   -------------------------------------------------------------------------- */
.breadcrumb {
  padding: var(--space-sm) 0;
  font-size: var(--font-size-sm);
  color: var(--color-text-light);
}

.breadcrumb-list {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.35rem;
  margin: 0;
  padding: 0;
  list-style: none;
}

.breadcrumb-item {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
}

.breadcrumb a {
  color: var(--color-text-light);
}

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

.breadcrumb-separator {
  opacity: 0.5;
}

/* --------------------------------------------------------------------------
   12. Utility Classes
   -------------------------------------------------------------------------- */
.text-center { text-align: center; }
.text-left { text-align: left; }
.text-right { text-align: right; }

.mb-xs { margin-bottom: var(--space-xs); }
.mb-sm { margin-bottom: var(--space-sm); }
.mb-md { margin-bottom: var(--space-md); }
.mb-lg { margin-bottom: var(--space-lg); }
.mb-xl { margin-bottom: var(--space-xl); }

.mt-sm { margin-top: var(--space-sm); }
.mt-md { margin-top: var(--space-md); }
.mt-lg { margin-top: var(--space-lg); }

.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

/* --------------------------------------------------------------------------
   13. WordPress Specific
   -------------------------------------------------------------------------- */
.alignwide {
  max-width: var(--container-width);
  margin-left: auto;
  margin-right: auto;
}

.alignfull {
  width: 100vw;
  margin-left: calc(50% - 50vw);
  max-width: none;
}

.wp-block-image {
  margin-bottom: var(--space-md);
}

.wp-block-image img {
  border-radius: var(--radius-md);
}

/* Post Navigation */
.post-navigation {
  display: flex;
  justify-content: space-between;
  gap: var(--space-md);
  padding: var(--space-lg) 0;
  border-top: 1px solid var(--color-border);
  margin-top: var(--space-lg);
}

.post-navigation a {
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
  padding: var(--space-sm);
  border-radius: var(--radius-md);
  transition: background var(--transition-base);
}

.post-navigation a:hover {
  background: var(--color-light);
}

.post-navigation .nav-label {
  font-size: var(--font-size-xs);
  color: var(--color-text-light);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  font-weight: 600;
}

.post-navigation .nav-title {
  font-weight: 600;
  color: var(--color-text);
}

/* Tags */
.post-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-top: var(--space-md);
}

.post-tags a {
  display: inline-block;
  padding: 0.375rem 1rem;
  background: var(--color-light);
  color: var(--color-text-light);
  border-radius: var(--radius-full);
  font-size: var(--font-size-sm);
  transition: all var(--transition-base);
}

.post-tags a:hover {
  background: var(--color-primary);
  color: var(--color-white);
}

/* Pagination */
.pagination {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 0.5rem;
  padding: var(--space-lg) 0;
}

.pagination a,
.pagination span {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 44px;
  height: 44px;
  padding: 0 0.75rem;
  border-radius: var(--radius-sm);
  font-weight: 600;
  transition: all var(--transition-base);
}

.pagination a:hover {
  background: var(--color-light);
}

.pagination .current {
  background: var(--color-primary);
  color: var(--color-white);
}

/* --------------------------------------------------------------------------
   14. 404 Page
   -------------------------------------------------------------------------- */
.error-404 {
  min-height: 80vh;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: var(--space-lg) var(--container-padding);
}

.error-404-content {
  max-width: 600px;
}

.error-404-illustration {
  margin-bottom: var(--space-md);
}

.error-404-number {
  font-size: clamp(6rem, 15vw, 12rem);
  font-weight: 900;
  font-family: var(--font-heading);
  background: linear-gradient(135deg, var(--color-primary), var(--color-secondary));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  line-height: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
}

.error-404-number svg {
  width: clamp(4rem, 10vw, 8rem);
  height: clamp(4rem, 10vw, 8rem);
}

.error-404 h1 {
  font-size: var(--font-size-2xl);
  margin-bottom: var(--space-sm);
}

.error-404 p {
  color: var(--color-text-light);
  margin-bottom: var(--space-md);
}

.error-404-actions {
  display: flex;
  gap: var(--space-sm);
  justify-content: center;
  flex-wrap: wrap;
}

/* --------------------------------------------------------------------------
   15. Responsive
   -------------------------------------------------------------------------- */
@media (max-width: 767px) {
  :root {
    --space-lg: 3rem;
    --space-xl: 4rem;
    --space-2xl: 5rem;
    --container-padding: 1.25rem;
  }

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

  .info-table th {
    width: 120px;
    font-size: var(--font-size-xs);
  }

  .info-table th,
  .info-table td {
    padding: 1rem;
  }
}

@media (max-width: 480px) {
  .info-table {
    display: block;
  }

  .info-table tbody,
  .info-table tr,
  .info-table th,
  .info-table td {
    display: block;
    width: 100%;
  }

  .info-table th {
    border-bottom: none;
    padding-bottom: 0.25rem;
  }

  .info-table td {
    padding-top: 0.25rem;
  }
}