/*
Theme Name: Revot Systems Tri-Mesh Planet
Theme URI: https://revot-systems.jp
Author: Revot Systems
Description: Official theme for Revot Systems - Tri-Mesh Planet design (light / flat / low-poly planet & robots)
Version: 1.9.15
Text Domain: revot
*/

/* ===== CSS Custom Properties ===== */
:root {
  --color-primary:       #1a2388;
  --color-primary-dark:  #141a52;
  --color-primary-light: #2d3fd4;
  --color-primary-vivid: #3d54f0;
  --color-accent:        #00e5ff;
  --color-accent-dark:   #00b0cc;

  /* light base (案I Tri-Mesh Planet) */
  --color-bg:            #ffffff;
  --color-bg-2:          #f7f8fd;
  --color-bg-card:       #f0f3fd;   /* tonal card (no border) */
  --color-bg-tonal:      #e3e8fd;   /* tonal button */
  --color-bg-badge:      #eef1ff;   /* pill badge */
  --color-bg-primary:    rgba(26, 35, 136, 0.06);
  --color-border:        #e3e7f5;   /* outlined card border */
  --color-text:          #1c2140;
  --color-text-muted:    #5c648f;
  --color-white:         #ffffff;

  /* navy band (tech / CTA) */
  --color-navy:          #141a52;
  --color-navy-2:        #1a2388;
  --color-navy-text:     #dce0ff;

  --font-jp: 'Noto Sans JP', sans-serif;
  --font-en: 'Inter', sans-serif;

  --container-width: 1200px;
  --nav-height: 80px;

  --radius-pill: 999px;
  --radius-card: 20px;

  --ease-out: cubic-bezier(0.25, 0.46, 0.45, 0.94);
  --ease-in-out: cubic-bezier(0.65, 0, 0.35, 1);
}

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

/* scroll-behavior: smooth は GSAP ScrollTrigger のピン留め再計算と
   競合するため使用しない（アンカーのスムーズスクロールは main.js で実装） */
html {
  font-size: 16px;
}

body {
  font-family: var(--font-en), var(--font-jp);
  background-color: var(--color-bg);
  color: var(--color-text);
  line-height: 1.7;
  overflow-x: hidden;
}

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

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

ul {
  list-style: none;
}

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

/* ===== Section Base ===== */
.section {
  padding: 120px 0;
}

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

.section-label {
  display: inline-block;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--color-primary-light);
  margin-bottom: 16px;
}

.section-title {
  font-size: clamp(28px, 4vw, 48px);
  font-weight: 700;
  line-height: 1.2;
  color: var(--color-primary-dark);
}

.section-title-en {
  font-family: var(--font-en);
}

.section-desc {
  margin-top: 20px;
  font-size: 16px;
  color: var(--color-text-muted);
  max-width: 600px;
  margin-left: auto;
  margin-right: auto;
}

/* ===== Button (flat / pill — Google Material 3 style) ===== */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 32px;
  border-radius: var(--radius-pill);
  font-size: 14px;
  font-weight: 600;
  letter-spacing: 0.05em;
  transition: background 0.3s var(--ease-out), color 0.3s var(--ease-out);
  cursor: pointer;
  border: none;
}

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

.btn-primary:hover {
  background: var(--color-primary-light);
}

/* tonal secondary button */
.btn-outline {
  background: var(--color-bg-tonal);
  border: none;
  color: var(--color-primary-dark);
}

.btn-outline:hover {
  background: #d3daf9;
  color: var(--color-primary-dark);
}

.btn-accent {
  background: var(--color-accent);
  color: var(--color-navy);
}

.btn-accent:hover {
  background: #7ff0ff;
}

/* ===== Card (outlined, flat) ===== */
.card {
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-card);
  overflow: hidden;
  transition: border-color 0.3s;
}

.card:hover {
  border-color: var(--color-primary-light);
}

.card-body {
  padding: 28px;
}

/* ===== Tag / Badge (pill) ===== */
.tag {
  display: inline-block;
  padding: 4px 14px;
  border-radius: var(--radius-pill);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  background: var(--color-bg-badge);
  color: var(--color-primary);
  border: none;
}

/* ===== Divider ===== */
.divider {
  width: 48px;
  height: 3px;
  border-radius: 2px;
  background: linear-gradient(90deg, var(--color-primary), var(--color-accent));
  margin: 24px auto;
}

.divider-left {
  margin-left: 0;
}

/* ===== Screen Reader ===== */
.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0,0,0,0);
  border: 0;
}

/* ===== Utilities ===== */
.text-center  { text-align: center; }
.text-left    { text-align: left; }
.text-muted   { color: var(--color-text-muted); }
.text-accent  { color: var(--color-accent-dark); }
.text-primary { color: var(--color-primary-light); }
.mt-4  { margin-top: 16px; }
.mt-8  { margin-top: 32px; }
.mt-12 { margin-top: 48px; }
.mb-4  { margin-bottom: 16px; }
.mb-8  { margin-bottom: 32px; }

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

.grid-2 {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 40px;
}

@media (max-width: 900px) {
  .grid-3 { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 600px) {
  .grid-3,
  .grid-2 { grid-template-columns: 1fr; }
  .section { padding: 80px 0; }
}

/* ===== Page Title ===== */
.page-hero {
  padding: 160px 0 80px;
  background: linear-gradient(180deg, var(--color-bg-2) 0%, var(--color-bg) 100%);
  border-bottom: 1px solid var(--color-border);
}

.page-hero .section-label { margin-bottom: 12px; }
.page-hero .section-title { font-size: clamp(32px, 5vw, 60px); }

/* ===== Lang switcher ===== */
.lang-switcher {
  display: flex;
  gap: 4px;
}

.lang-switcher a {
  padding: 4px 12px;
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.08em;
  border-radius: var(--radius-pill);
  color: var(--color-text-muted);
  transition: all 0.2s;
}

.lang-switcher a:hover,
.lang-switcher a.current-lang {
  color: var(--color-white);
  background: var(--color-primary);
}

/* ===== Polylang override ===== */
.pll-parent-menu-item { display: none !important; }

/* ===== SVG defs holder (mesh sphere / robots) ===== */
.revot-svg-defs {
  position: absolute;
  width: 0;
  height: 0;
  overflow: hidden;
}