/* ========================================
   株式会社ボン 採用サイト - メインスタイルシート
   ======================================== */

/* ========================================
   1. CSS Variables (Design Tokens)
   ======================================== */
:root {
    /* Colors - 刷新されたカラーパレット */
    /* メインカラー：スモーキーティール（明度・彩度を上げた） */
    --color-primary: #4a8b8a;
    /* スモーキーティール */
    --color-primary-light: #6ba5a4;
    --color-primary-dark: #357170;

    /* CTAアクセントカラー：温かみのあるオレンジゴールド（ティールの補色） */
    --color-cta: #e89b5a;
    /* 温かみのあるオレンジゴールド */
    --color-cta-light: #f2b47a;
    --color-cta-dark: #d67f3a;
    --color-cta-glow: rgba(232, 155, 90, 0.4);

    /* アクセントカラー：ダスティローズ（華やかさを加える） */
    --color-accent: #c9a0a0;
    /* ダスティローズ */
    --color-accent-light: #dbb5b5;
    --color-accent-dark: #b88585;

    /* セカンダリカラー：シャンパンゴールド系 */
    --color-secondary: #e8d5c4;
    /* シャンパンベージュ */
    --color-secondary-light: #f2e5d9;
    --color-secondary-dark: #d4b896;

    /* サブカラー：モーブ（落ち着いた華やかさ） */
    --color-mauve: #b8a0a8;
    --color-soft-teal: #a8c5c4;
    /* ソフトティール */

    /* 背景色 */
    --color-bg-base: #faf8f5;
    /* アイボリー */
    --color-bg-white: #ffffff;
    --color-bg-light: #f7f4f1;
    /* 少し温かみのあるライトグレー */
    --color-bg-soft: #fef9f4;
    /* ソフトピーチ */
    --color-bg-dark: #2c2c2c;

    /* テキストカラー */
    --color-text-primary: #3a3a3a;
    --color-text-secondary: #6b6b6b;
    --color-text-light: #9a9a9a;
    --color-text-white: #ffffff;

    /* ボーダーカラー */
    --color-border: #e8e3dd;
    --color-border-light: #f2ede8;

    /* グラデーション */
    --gradient-primary: linear-gradient(135deg, #4a8b8a 0%, #6ba5a4 100%);
    --gradient-cta: linear-gradient(135deg, #e89b5a 0%, #f2b47a 100%);
    --gradient-accent: linear-gradient(135deg, #c9a0a0 0%, #dbb5b5 100%);
    --gradient-soft: linear-gradient(135deg, #fef9f4 0%, #f7f4f1 100%);
    --gradient-hero: linear-gradient(135deg, rgba(74, 139, 138, 0.95) 0%, rgba(107, 165, 164, 0.9) 100%);

    /* Typography */
    --font-family-base: 'Noto Sans JP', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    --font-size-base: 16px;
    --font-size-small: 14px;
    --font-size-large: 18px;
    --font-size-h1: 3rem;
    /* 2.5rem × 1.2 */
    --font-size-h2: 2.4rem;
    /* 2rem × 1.2 */
    --font-size-h3: 1.8rem;
    /* 1.5rem × 1.2 */
    --font-size-h4: 1.5rem;
    /* 1.25rem × 1.2 */

    --line-height-base: 1.8;
    --line-height-heading: 1.4;

    /* Spacing */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 2rem;
    --spacing-lg: 3rem;
    --spacing-xl: 4rem;
    --spacing-xxl: 6rem;

    /* Layout */
    --container-max-width: 1200px;
    --container-padding: 1.5rem;

    /* Border Radius */
    --radius-sm: 4px;
    --radius-md: 8px;
    --radius-lg: 12px;
    --radius-xl: 16px;

    /* Shadows - 女性らしいソフトなシャドウ */
    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.04);
    --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.06);
    --shadow-lg: 0 8px 24px rgba(0, 0, 0, 0.08);
    --shadow-hover: 0 6px 20px rgba(74, 139, 138, 0.15);
    --shadow-accent: 0 4px 16px rgba(201, 160, 160, 0.2);

    /* Transitions */
    --transition-base: 0.3s ease;
    --transition-fast: 0.15s ease;
    --transition-smooth: 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

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

html {
    font-size: var(--font-size-base);
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-family-base);
    font-size: var(--font-size-base);
    line-height: var(--line-height-base);
    color: var(--color-text-primary);
    background-color: var(--color-bg-base);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

img {
    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 {
    outline: 2px solid var(--color-primary);
    outline-offset: 2px;
}

/* ========================================
   3. Typography
   ======================================== */
h1,
h2,
h3,
h4,
h5,
h6 {
    font-weight: 600;
    line-height: var(--line-height-heading);
    color: var(--color-text-primary);
    margin-bottom: var(--spacing-md);
}

h1 {
    font-size: var(--font-size-h1);
}

h2 {
    font-size: var(--font-size-h2);
    font-weight: 700;
    /* 太字を適用 */
}

h3 {
    font-size: var(--font-size-h3);
    font-weight: 700;
    /* 太字を適用 */
}

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

p {
    margin-bottom: var(--spacing-sm);
}

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

.section {
    padding: var(--spacing-xxl) 0;
}

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

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

.section--soft {
    background: var(--gradient-soft);
}

.section--primary {
    background: var(--gradient-primary);
    color: var(--color-text-white);
}

.section--accent {
    background: linear-gradient(135deg, #fef5f5 0%, #fef9f4 100%);
}

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

.section-title {
    font-size: var(--font-size-h2);
    margin-bottom: var(--spacing-sm);
    position: relative;
    display: inline-block;
}

.section-title::after {
    content: '';
    display: block;
    width: 60px;
    height: 3px;
    background-color: var(--color-primary);
    margin: var(--spacing-sm) auto 0;
}

.section--primary .section-title {
    color: var(--color-text-white);
}

.section--primary .section-title::after {
    background-color: var(--color-secondary);
}

.section-subtitle {
    font-size: var(--font-size-large);
    color: var(--color-text-secondary);
    font-weight: 400;
}

.section--primary .section-subtitle {
    color: rgba(255, 255, 255, 0.9);
}

/* ========================================
   5. Header
   ======================================== */
.site-header {
    background-color: var(--color-bg-white);
    box-shadow: var(--shadow-sm);
    position: sticky;
    top: 0;
    z-index: 1000;
    transition: transform var(--transition-base);
}

.header-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--spacing-sm) var(--container-padding);
    max-width: var(--container-max-width);
    margin: 0 auto;
}

.site-logo {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--color-primary);
    letter-spacing: 0.05em;
}

.site-logo:hover {
    color: var(--color-primary-dark);
}

/* Navigation */
.site-nav {
    display: none;
}

.nav-list {
    display: flex;
    gap: var(--spacing-md);
    list-style: none;
}

.nav-link {
    color: var(--color-text-primary);
    font-weight: 500;
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: var(--radius-sm);
    transition: background-color var(--transition-base), color var(--transition-base);
}

.nav-link:hover {
    background-color: var(--color-bg-light);
    color: var(--color-primary);
}

/* Mobile Menu Toggle */
.menu-toggle {
    display: flex;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: var(--spacing-xs);
    z-index: 1001;
}

.menu-toggle span {
    display: block;
    width: 28px;
    height: 3px;
    background-color: var(--color-primary);
    transition: transform var(--transition-base), opacity var(--transition-base);
    border-radius: 2px;
}

.menu-toggle.active span:nth-child(1) {
    transform: translateY(8px) rotate(45deg);
}

.menu-toggle.active span:nth-child(2) {
    opacity: 0;
}

.menu-toggle.active span:nth-child(3) {
    transform: translateY(-8px) rotate(-45deg);
}

/* Mobile Navigation */
.mobile-nav {
    position: fixed;
    top: 0;
    right: -100%;
    width: 80%;
    max-width: 320px;
    height: 100vh;
    background-color: var(--color-bg-white);
    box-shadow: var(--shadow-lg);
    padding: var(--spacing-xl) var(--spacing-md);
    transition: right var(--transition-base);
    z-index: 999;
    overflow-y: auto;
}

.mobile-nav.active {
    right: 0;
}

.mobile-nav-list {
    list-style: none;
    margin-top: var(--spacing-xl);
}

.mobile-nav-item {
    border-bottom: 1px solid var(--color-border-light);
}

.mobile-nav-link {
    display: block;
    padding: var(--spacing-sm) 0;
    color: var(--color-text-primary);
    font-weight: 500;
}

.mobile-nav-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.5);
    opacity: 0;
    visibility: hidden;
    transition: opacity var(--transition-base), visibility var(--transition-base);
    z-index: 998;
}

.mobile-nav-overlay.active {
    opacity: 1;
    visibility: visible;
}

/* ========================================
   6. Hero / First View
   ======================================== */
.hero {
    position: relative;
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-light) 100%);
    color: var(--color-text-white);
    padding: var(--spacing-xxl) 0;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-image: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%23ffffff' fill-opacity='0.05'%3E%3Cpath d='M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
    opacity: 0.3;
}

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

.hero-title {
    font-size: clamp(2rem, 5vw, 3rem);
    font-weight: 700;
    margin-bottom: var(--spacing-sm);
    line-height: 1.3;
}

.hero-subtitle {
    font-size: clamp(1rem, 2.5vw, 1.25rem);
    margin-bottom: var(--spacing-lg);
    opacity: 0.95;
    font-weight: 400;
}

.hero-description {
    font-size: var(--font-size-large);
    margin-bottom: var(--spacing-xl);
    opacity: 0.9;
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
}

/* ========================================
   7. Buttons & CTAs
   ======================================== */
.btn {
    display: inline-block;
    padding: 1rem 2rem;
    font-size: var(--font-size-base);
    font-weight: 600;
    text-align: center;
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: all var(--transition-smooth);
    border: 2px solid transparent;
    text-decoration: none;
    line-height: 1.5;
    position: relative;
    overflow: hidden;
}

.btn::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 0;
    height: 0;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.2);
    transform: translate(-50%, -50%);
    transition: width 0.6s, height 0.6s;
}

.btn:hover::before {
    width: 300px;
    height: 300px;
}

.btn-primary {
    background: var(--gradient-cta);
    color: var(--color-text-white);
    border-color: var(--color-cta);
    box-shadow: 0 4px 12px var(--color-cta-glow);
    font-weight: 700;
}

.btn-primary:hover {
    background: linear-gradient(135deg, #f2b47a 0%, #fcc894 100%);
    border-color: var(--color-cta-light);
    color: var(--color-text-white);
    transform: translateY(-4px);
    box-shadow: 0 8px 24px var(--color-cta-glow), 0 4px 8px rgba(0, 0, 0, 0.1);
}

.btn-primary:active {
    transform: translateY(-2px);
    box-shadow: 0 4px 12px var(--color-cta-glow);
}

/* アクセントボタン - 華やかなCTA用 */
.btn-accent {
    background: var(--gradient-accent);
    color: var(--color-text-white);
    border-color: var(--color-accent);
    box-shadow: var(--shadow-accent);
}

.btn-accent:hover {
    background: linear-gradient(135deg, #dbb5b5 0%, #e8c5c5 100%);
    border-color: var(--color-accent-light);
    color: var(--color-text-white);
    transform: translateY(-3px) scale(1.02);
    box-shadow: 0 6px 24px rgba(201, 160, 160, 0.3);
}

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

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

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

.btn-white:hover {
    background-color: var(--color-secondary-light);
    border-color: var(--color-secondary-light);
    color: var(--color-primary-dark);
    transform: translateY(-3px);
    box-shadow: var(--shadow-md);
}

/* 情報収集用ボタン（低リスク） */
.btn-info {
    background-color: var(--color-bg-soft);
    color: var(--color-text-primary);
    border-color: var(--color-border);
}

.btn-info:hover {
    background-color: var(--color-secondary-light);
    border-color: var(--color-secondary);
    color: var(--color-text-primary);
    transform: translateY(-2px);
    box-shadow: var(--shadow-sm);
}

.btn-large {
    padding: 1.25rem 2.5rem;
    font-size: var(--font-size-large);
}

.btn-group {
    display: flex;
    gap: var(--spacing-sm);
    flex-wrap: wrap;
    justify-content: center;
}

/* CTA Band */
.cta-band {
    background: var(--gradient-primary);
    color: var(--color-text-white);
    padding: var(--spacing-xl) 0;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.cta-band::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-image: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%23ffffff' fill-opacity='0.03'%3E%3Cpath d='M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
    opacity: 0.3;
}

.cta-band-title {
    font-size: var(--font-size-h2);
    margin-bottom: var(--spacing-sm);
    color: var(--color-text-white);
    position: relative;
    z-index: 1;
}

.cta-band-description {
    font-size: var(--font-size-large);
    margin-bottom: var(--spacing-lg);
    opacity: 0.95;
    position: relative;
    z-index: 1;
}

/* Fixed CTA Bar (Mobile) */
.fixed-cta-bar {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    background-color: var(--color-bg-white);
    box-shadow: 0 -2px 12px rgba(0, 0, 0, 0.1);
    padding: var(--spacing-sm);
    z-index: 900;
    display: flex;
    gap: var(--spacing-xs);
}

.fixed-cta-bar .btn {
    flex: 1;
    padding: 0.875rem 1rem;
    font-size: var(--font-size-small);
}

/* ========================================
   8. Cards
   ======================================== */
.card-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--spacing-md);
}

.card {
    background-color: var(--color-bg-white);
    border-radius: var(--radius-lg);
    padding: var(--spacing-lg);
    box-shadow: var(--shadow-sm);
    transition: transform var(--transition-base), box-shadow var(--transition-base);
    border: 1px solid var(--color-border-light);
}

.card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-md);
}

.card-icon {
    width: 60px;
    height: 60px;
    background-color: var(--color-primary);
    color: var(--color-text-white);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    margin-bottom: var(--spacing-md);
}

.card-title {
    font-size: var(--font-size-h3);
    margin-bottom: var(--spacing-sm);
    color: var(--color-text-primary);
}

.card-description {
    color: var(--color-text-secondary);
    margin-bottom: var(--spacing-md);
}

.card-link {
    color: var(--color-primary);
    font-weight: 600;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
}

.card-link::after {
    content: '→';
    transition: transform var(--transition-base);
}

.card-link:hover::after {
    transform: translateX(4px);
}

/* Job Cards */
.job-card {
    position: relative;
    overflow: hidden;
}

.job-card-badge {
    position: absolute;
    top: var(--spacing-sm);
    right: var(--spacing-sm);
    background-color: var(--color-secondary);
    color: var(--color-text-primary);
    padding: 0.25rem 0.75rem;
    border-radius: var(--radius-sm);
    font-size: var(--font-size-small);
    font-weight: 600;
}

.job-card-tags {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-xs);
    margin-top: var(--spacing-md);
}

.job-tag {
    background-color: var(--color-bg-light);
    color: var(--color-text-secondary);
    padding: 0.25rem 0.75rem;
    border-radius: var(--radius-sm);
    font-size: var(--font-size-small);
}

/* ========================================
   9. Features / Benefits
   ======================================== */
.feature-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--spacing-lg);
}

.feature-item {
    display: flex;
    gap: var(--spacing-md);
    align-items: flex-start;
}

.feature-icon {
    flex-shrink: 0;
    width: 50px;
    height: 50px;
    background-color: var(--color-accent);
    color: var(--color-text-white);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.25rem;
}

.feature-content h3 {
    margin-bottom: var(--spacing-xs);
    font-size: var(--font-size-h4);
}

.feature-content p {
    color: var(--color-text-secondary);
}

/* ========================================
   10. Timeline
   ======================================== */
.timeline {
    position: relative;
    padding-left: var(--spacing-lg);
}

.timeline::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0;
    bottom: 0;
    width: 2px;
    background-color: var(--color-border);
}

.timeline-item {
    position: relative;
    padding-bottom: var(--spacing-lg);
}

.timeline-item::before {
    content: '';
    position: absolute;
    left: calc(-1 * var(--spacing-lg) - 6px);
    top: 0;
    width: 14px;
    height: 14px;
    border-radius: 50%;
    background-color: var(--color-primary);
    border: 3px solid var(--color-bg-white);
}

.timeline-title {
    font-weight: 600;
    margin-bottom: var(--spacing-xs);
    color: var(--color-primary);
}

.timeline-description {
    color: var(--color-text-secondary);
}

/* ========================================
   11. Tables
   ======================================== */
.table-wrapper {
    overflow-x: auto;
    margin: var(--spacing-md) 0;
}

.info-table {
    width: 100%;
    border-collapse: collapse;
    background-color: var(--color-bg-white);
    border-radius: var(--radius-md);
    overflow: hidden;
}

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

.info-table th {
    background-color: var(--color-bg-light);
    font-weight: 600;
    color: var(--color-text-primary);
    width: 30%;
}

.info-table td {
    color: var(--color-text-secondary);
}

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

/* ========================================
   12. FAQ / Accordion
   ======================================== */
.faq-list {
    list-style: none;
}

.faq-item {
    background-color: var(--color-bg-white);
    border-radius: var(--radius-md);
    margin-bottom: var(--spacing-sm);
    overflow: hidden;
    border: 1px solid var(--color-border-light);
}

.faq-question {
    width: 100%;
    padding: var(--spacing-md);
    background: none;
    border: none;
    text-align: left;
    font-size: var(--font-size-base);
    font-weight: 600;
    color: var(--color-text-primary);
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
    transition: background-color var(--transition-base);
    font-family: var(--font-family-base);
}

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

.faq-question::after {
    content: '+';
    font-size: 1.5rem;
    color: var(--color-primary);
    transition: transform var(--transition-base);
}

.faq-question.active::after {
    content: '−';
}

.faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height var(--transition-base), padding var(--transition-base);
}

.faq-answer.active {
    max-height: 500px;
    padding: 0 var(--spacing-md) var(--spacing-md);
}

.faq-answer p {
    color: var(--color-text-secondary);
    line-height: 1.8;
}

/* ========================================
   13. Forms
   ======================================== */
.form-group {
    margin-bottom: var(--spacing-md);
}

.form-label {
    display: block;
    margin-bottom: var(--spacing-xs);
    font-weight: 600;
    color: var(--color-text-primary);
}

.form-label-required::after {
    content: ' *';
    color: #d9534f;
}

.form-input,
.form-select,
.form-textarea {
    width: 100%;
    padding: 0.875rem 1rem;
    font-size: var(--font-size-base);
    font-family: var(--font-family-base);
    border: 2px solid var(--color-border);
    border-radius: var(--radius-md);
    background-color: var(--color-bg-white);
    color: var(--color-text-primary);
    transition: border-color var(--transition-base), box-shadow var(--transition-base);
}

.form-input:focus,
.form-select:focus,
.form-textarea:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px rgba(42, 107, 106, 0.1);
}

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

.form-radio-group,
.form-checkbox-group {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xs);
}

.form-radio-label,
.form-checkbox-label {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    cursor: pointer;
    font-weight: 400;
}

.form-help-text {
    font-size: var(--font-size-small);
    color: var(--color-text-light);
    margin-top: var(--spacing-xs);
}

/* ========================================
   14. Footer
   ======================================== */
.site-footer {
    background-color: var(--color-bg-dark);
    color: rgba(255, 255, 255, 0.8);
    padding: var(--spacing-xl) 0 var(--spacing-md);
}

.footer-content {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-lg);
}

.footer-section h3 {
    color: var(--color-text-white);
    font-size: var(--font-size-h4);
    margin-bottom: var(--spacing-sm);
}

.footer-nav-list {
    list-style: none;
}

.footer-nav-item {
    margin-bottom: var(--spacing-xs);
}

.footer-nav-link {
    color: rgba(255, 255, 255, 0.8);
    transition: color var(--transition-base);
}

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

.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding-top: var(--spacing-md);
    text-align: center;
    font-size: var(--font-size-small);
    color: rgba(255, 255, 255, 0.6);
}

/* ========================================
   15. Utilities
   ======================================== */
.text-center {
    text-align: center;
}

.text-left {
    text-align: left;
}

.text-right {
    text-align: right;
}

.mb-0 {
    margin-bottom: 0;
}

.mb-sm {
    margin-bottom: var(--spacing-sm);
}

.mb-md {
    margin-bottom: var(--spacing-md);
}

.mb-lg {
    margin-bottom: var(--spacing-lg);
}

.mb-xl {
    margin-bottom: var(--spacing-xl);
}

.mt-0 {
    margin-top: 0;
}

.mt-sm {
    margin-top: var(--spacing-sm);
}

.mt-md {
    margin-top: var(--spacing-md);
}

.mt-lg {
    margin-top: var(--spacing-lg);
}

.mt-xl {
    margin-top: var(--spacing-xl);
}

.hidden {
    display: none;
}

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

/* Fade-in Animation */
.fade-in {
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

.fade-in.visible {
    opacity: 1;
    transform: translateY(0);
}

/* ========================================
   16. Responsive Design
   ======================================== */

/* Tablet (768px and up) */
@media (min-width: 768px) {
    :root {
        --font-size-h1: 3rem;
        --font-size-h2: 2.25rem;
        --spacing-xxl: 8rem;
    }

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

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

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

    .fixed-cta-bar {
        display: none;
    }
}

/* Desktop (1024px and up) */
@media (min-width: 1024px) {
    .site-nav {
        display: block;
    }

    .menu-toggle {
        display: none;
    }

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

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

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

    .hero {
        padding: calc(var(--spacing-xxl) * 1.5) 0;
    }
}

/* Large Desktop (1440px and up) */
@media (min-width: 1440px) {
    :root {
        --container-max-width: 1400px;
    }
}

/* Print Styles */
@media print {

    .site-header,
    .site-footer,
    .cta-band,
    .fixed-cta-bar,
    .btn {
        display: none;
    }
}