/* ===================================
   Uatelier Corporate Website
   Modern Minimal Premium Design
   Inspired by: Apple, Notion, Stripe, Modern Japanese Design
   Version: 4.0.0
   =================================== */

/* ===================================
   1. CSS Reset & Base Styles
   =================================== */

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    /* Modern Minimal Color System */
    --color-white: #FFFFFF;
    --color-background: #F8F9FB;
    --color-background-light: #FAFBFC;
    --color-text-primary: #1A1D29;
    --color-text-secondary: #525866;
    --color-text-muted: #8B92A8;
    
    /* Professional Blues */
    --color-primary: #4169E1;
    --color-primary-dark: #2F4DFB;
    --color-primary-light: #EEF2FF;
    --color-primary-hover: #3557C7;
    
    /* Soft Accents */
    --color-border: #E5E8ED;
    --color-card-bg: #FFFFFF;
    --color-shadow: rgba(15, 23, 42, 0.08);
    --color-shadow-hover: rgba(15, 23, 42, 0.12);
    
    /* Typography System */
    --font-family: 'Noto Sans JP', -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Helvetica Neue', sans-serif;
    --font-weight-regular: 400;
    --font-weight-medium: 500;
    --font-weight-semibold: 600;
    --font-weight-bold: 700;
    
    /* Type Scale */
    --text-xs: 13px;
    --text-sm: 14px;
    --text-base: 16px;
    --text-lg: 17px;
    --text-xl: 20px;
    --text-2xl: 24px;
    --text-3xl: 28px;
    --text-4xl: 36px;
    --text-5xl: 42px;
    
    /* Spacing System - Consistent Vertical Rhythm */
    --space-1: 4px;
    --space-2: 8px;
    --space-3: 12px;
    --space-4: 16px;
    --space-5: 20px;
    --space-6: 24px;
    --space-8: 32px;
    --space-10: 40px;
    --space-12: 48px;
    --space-16: 64px;
    --space-20: 80px;
    --space-24: 96px;
    
    /* Border Radius - Modern Rounded */
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 16px;
    --radius-xl: 20px;
    --radius-full: 9999px;
    
    /* Shadows - Soft & Subtle */
    --shadow-sm: 0 1px 2px 0 var(--color-shadow);
    --shadow-md: 0 4px 12px 0 var(--color-shadow);
    --shadow-lg: 0 8px 24px 0 var(--color-shadow);
    --shadow-hover: 0 12px 32px 0 var(--color-shadow-hover);
    
    /* Transitions */
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-fast: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-family);
    font-size: var(--text-base);
    line-height: 1.6;
    color: var(--color-text-primary);
    background-color: var(--color-background);
    font-weight: var(--font-weight-regular);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

a {
    color: inherit;
    text-decoration: none;
    transition: var(--transition-fast);
}

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

ul {
    list-style: none;
}

/* ===================================
   2. Layout & Container
   =================================== */

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--space-6);
}

@media (max-width: 768px) {
    .container {
        padding: 0 var(--space-4);
    }
}

.section {
    padding: var(--space-20) 0;
}

@media (max-width: 768px) {
    .section {
        padding: var(--space-16) 0;
    }
}

/* ===================================
   3. Header & Navigation
   =================================== */

.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background-color: rgba(255, 255, 255, 0.9);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    z-index: 1000;
    border-bottom: 1px solid var(--color-border);
    transition: var(--transition);
}

.nav {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--space-4) 0;
    max-width: 1200px;
    margin: 0 auto;
    padding-left: var(--space-6);
    padding-right: var(--space-6);
}

.logo {
    font-size: var(--text-xl);
    font-weight: var(--font-weight-semibold);
    color: var(--color-text-primary);
    letter-spacing: -0.02em;
    display: flex;
    align-items: center;
    gap: var(--space-3);
}

.logo-icon {
    height: 32px;
    width: auto;
}

.nav-menu {
    display: flex;
    align-items: center;
    gap: var(--space-8);
}

.nav-menu li a {
    font-size: var(--text-sm);
    font-weight: var(--font-weight-medium);
    color: var(--color-text-secondary);
    transition: var(--transition-fast);
}

.nav-menu li a:hover,
.nav-menu li a.active {
    color: var(--color-primary);
}

.nav-cta {
    padding: var(--space-2) var(--space-4);
    background-color: var(--color-primary);
    color: var(--color-white) !important;
    border-radius: var(--radius-sm);
    font-weight: var(--font-weight-medium);
    transition: var(--transition-fast);
}

.nav-cta:hover {
    background-color: var(--color-primary-hover);
}

/* Mobile Navigation */
.nav-toggle {
    display: none;
    flex-direction: column;
    gap: 4px;
    cursor: pointer;
}

.nav-toggle span {
    width: 24px;
    height: 2px;
    background-color: var(--color-text-primary);
    transition: var(--transition-fast);
}

@media (max-width: 768px) {
    .nav {
        padding-left: var(--space-4);
        padding-right: var(--space-4);
    }

    .nav-toggle {
        display: flex;
    }

    .nav-menu {
        position: fixed;
        top: 65px;
        left: 0;
        right: 0;
        background-color: rgba(255, 255, 255, 0.98);
        backdrop-filter: blur(20px);
        flex-direction: column;
        align-items: stretch;
        gap: 0;
        padding: var(--space-4) 0;
        border-bottom: 1px solid var(--color-border);
        transform: translateY(-100%);
        opacity: 0;
        pointer-events: none;
        transition: var(--transition);
    }

    .nav-menu.active {
        transform: translateY(0);
        opacity: 1;
        pointer-events: all;
    }

    .nav-menu li {
        padding: 0 var(--space-4);
    }

    .nav-menu li a {
        display: block;
        padding: var(--space-3) 0;
        font-size: var(--text-base);
    }

    .nav-cta {
        margin: var(--space-3) var(--space-4);
        text-align: center;
        display: block;
    }
}

/* ===================================
   4. Hero Section - Centered & Powerful
   =================================== */

.hero {
    padding: 140px 0 var(--space-20);
    background: linear-gradient(180deg, #FFFFFF 0%, var(--color-background) 100%);
    position: relative;
    overflow: hidden;
}

.hero-bg {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    opacity: 1;
    pointer-events: none;
}

.hero-illustration {
    width: 100%;
    height: 100%;
}

.hero-content {
    position: relative;
    z-index: 1;
    max-width: 840px;
    margin: 0 auto;
    text-align: center;
}

.hero-title {
    font-size: var(--text-5xl);
    font-weight: var(--font-weight-bold);
    color: var(--color-text-primary);
    line-height: 1.2;
    margin-bottom: var(--space-5);
    letter-spacing: -0.03em;
}

.hero-subtitle {
    font-size: var(--text-xl);
    font-weight: var(--font-weight-regular);
    color: var(--color-text-secondary);
    line-height: 1.7;
    margin-bottom: var(--space-10);
    max-width: 680px;
    margin-left: auto;
    margin-right: auto;
}

.hero-cta {
    display: flex;
    gap: var(--space-4);
    justify-content: center;
    align-items: center;
    flex-wrap: wrap;
}

@media (max-width: 768px) {
    .hero {
        padding: 100px 0 var(--space-16);
    }

    .hero-title {
        font-size: var(--text-4xl);
    }

    .hero-subtitle {
        font-size: var(--text-lg);
    }

    .hero-cta {
        flex-direction: column;
        width: 100%;
    }

    .hero-cta .btn {
        width: 100%;
    }
}

/* ===================================
   Hero Background Shapes - Stronger Animated
   =================================== */

/* Base styles for hero background shapes */
.hero-bg-shape {
    position: absolute;
    border-radius: 9999px;
    background: rgba(110, 150, 255, 0.25);
    filter: blur(0px);
    pointer-events: none;
    will-change: transform, opacity;
    opacity: 0.85;
    z-index: 0;
}

/* Size variations */
.hero-bg-shape--large {
    width: 460px;
    height: 460px;
}

.hero-bg-shape--medium {
    width: 280px;
    height: 280px;
}

.hero-bg-shape--small {
    width: 180px;
    height: 180px;
}

/* Animation types with stronger motion */
.hero-bg-shape--float-strong-a {
    animation: heroFloatStrongA 8s ease-in-out infinite alternate;
}

.hero-bg-shape--float-strong-b {
    animation: heroFloatStrongB 10s ease-in-out infinite alternate;
}

.hero-bg-shape--float-strong-c {
    animation: heroFloatStrongC 7s ease-in-out infinite alternate;
}

@keyframes heroFloatStrongA {
    0% {
        transform: translate3d(0, 0, 0) scale(1);
        opacity: 0.7;
    }
    50% {
        transform: translate3d(0, -50px, 0) scale(1.15);
        opacity: 1;
    }
    100% {
        transform: translate3d(0, 40px, 0) scale(0.9);
        opacity: 0.75;
    }
}

@keyframes heroFloatStrongB {
    0% {
        transform: translate3d(0, 0, 0) scale(1);
        opacity: 0.7;
    }
    50% {
        transform: translate3d(60px, -45px, 0) scale(1.2);
        opacity: 1;
    }
    100% {
        transform: translate3d(-50px, 35px, 0) scale(0.85);
        opacity: 0.75;
    }
}

@keyframes heroFloatStrongC {
    0% {
        transform: translate3d(0, 0, 0) scale(1);
        opacity: 0.7;
    }
    50% {
        transform: translate3d(-55px, 40px, 0) scale(1.18);
        opacity: 1;
    }
    100% {
        transform: translate3d(45px, -35px, 0) scale(0.88);
        opacity: 0.75;
    }
}

/* Responsive adjustments for mobile */
@media (max-width: 768px) {
    .hero-bg-shape--large {
        width: 320px;
        height: 320px;
    }

    .hero-bg-shape--medium {
        width: 200px;
        height: 200px;
    }

    .hero-bg-shape--small {
        width: 140px;
        height: 140px;
    }
}

/* Accessibility: stop motion if user prefers reduced motion */
@media (prefers-reduced-motion: reduce) {
    .hero-bg-shape,
    .hero-bg-shape--float-strong-a,
    .hero-bg-shape--float-strong-b,
    .hero-bg-shape--float-strong-c {
        animation: none !important;
        transform: none !important;
    }
}

/* ===================================
   5. Buttons - Modern & Clean
   =================================== */

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-2);
    padding: var(--space-3) var(--space-6);
    font-size: var(--text-base);
    font-weight: var(--font-weight-medium);
    border-radius: var(--radius-md);
    transition: var(--transition-fast);
    cursor: pointer;
    border: 1px solid transparent;
    white-space: nowrap;
}

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

.btn-primary:hover {
    background-color: var(--color-primary-hover);
    box-shadow: var(--shadow-md);
    transform: translateY(-1px);
}

.btn-secondary {
    background-color: var(--color-white);
    color: var(--color-text-primary);
    border: 1px solid var(--color-border);
    box-shadow: var(--shadow-sm);
}

.btn-secondary:hover {
    background-color: var(--color-background);
    border-color: var(--color-primary);
    box-shadow: var(--shadow-md);
    transform: translateY(-1px);
}

.btn-large {
    padding: var(--space-4) var(--space-8);
    font-size: var(--text-lg);
}

/* ===================================
   6. Business Section - Equal Height Cards
   =================================== */

.business-section {
    background-color: var(--color-white);
    padding: var(--space-16) 0;
}

.section-header {
    text-align: center;
    margin-bottom: var(--space-12);
}

.section-label {
    display: inline-block;
    font-size: var(--text-xs);
    font-weight: var(--font-weight-semibold);
    color: var(--color-primary);
    text-transform: uppercase;
    letter-spacing: 0.1em;
    margin-bottom: var(--space-3);
}

.section-title {
    font-size: var(--text-4xl);
    font-weight: var(--font-weight-bold);
    color: var(--color-text-primary);
    margin-bottom: var(--space-4);
    letter-spacing: -0.02em;
    line-height: 1.3;
}

.section-subtitle {
    font-size: var(--text-lg);
    color: var(--color-text-secondary);
    line-height: 1.6;
    max-width: 640px;
    margin: 0 auto;
}

.business-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-6);
}

.business-card {
    background-color: var(--color-card-bg);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-xl);
    padding: var(--space-8);
    display: flex;
    flex-direction: column;
    height: 100%;
    transition: var(--transition);
    box-shadow: var(--shadow-sm);
}

.business-card:hover {
    border-color: var(--color-primary);
    box-shadow: var(--shadow-hover);
    transform: translateY(-4px);
}

.business-icon {
    width: 56px;
    height: 56px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--color-primary-light) 0%, #FFFFFF 100%);
    color: var(--color-primary);
    border-radius: var(--radius-lg);
    font-size: 24px;
    margin-bottom: var(--space-5);
}

.business-tag {
    display: inline-block;
    font-size: var(--text-xs);
    font-weight: var(--font-weight-semibold);
    color: var(--color-primary);
    background-color: var(--color-primary-light);
    padding: var(--space-1) var(--space-3);
    border-radius: var(--radius-full);
    margin-bottom: var(--space-4);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.business-title {
    font-size: var(--text-2xl);
    font-weight: var(--font-weight-semibold);
    color: var(--color-text-primary);
    margin-bottom: var(--space-3);
    letter-spacing: -0.01em;
    line-height: 1.3;
}

.business-description {
    font-size: var(--text-sm);
    color: var(--color-text-secondary);
    line-height: 1.7;
    margin-bottom: var(--space-5);
    flex-grow: 1;
}

.business-features {
    margin-bottom: var(--space-6);
}

.business-features li {
    display: flex;
    align-items: flex-start;
    gap: var(--space-2);
    font-size: var(--text-sm);
    color: var(--color-text-secondary);
    line-height: 1.6;
    margin-bottom: var(--space-2);
}

.business-features li:last-child {
    margin-bottom: 0;
}

.business-features li::before {
    content: "✓";
    color: var(--color-primary);
    font-weight: var(--font-weight-semibold);
    flex-shrink: 0;
}

.business-link {
    display: inline-flex;
    align-items: center;
    gap: var(--space-2);
    font-size: var(--text-sm);
    font-weight: var(--font-weight-medium);
    color: var(--color-primary);
    margin-top: auto;
    transition: var(--transition-fast);
}

.business-link:hover {
    gap: var(--space-3);
}

@media (max-width: 968px) {
    .business-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 640px) {
    .business-section {
        padding: var(--space-12) 0;
    }

    .section-header {
        margin-bottom: var(--space-8);
    }

    .section-title {
        font-size: var(--text-3xl);
    }

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

    .business-card {
        padding: var(--space-6);
    }
}

/* ===================================
   7. Strengths Section - Premium Feature Tiles
   =================================== */

/* ===========================
   Strengths Section - Minimal × Premium
   =========================== */
.strengths-section {
    background: var(--color-white);
    padding: var(--space-20) 0;
    position: relative;
    overflow: hidden;
}

/* Strengths Header */
.strengths-header {
    text-align: center;
    margin-bottom: var(--space-10);
    position: relative;
    z-index: 1;
}

.strengths-label {
    display: inline-block;
    font-size: 11px;
    font-weight: var(--font-weight-semibold);
    color: var(--color-primary);
    letter-spacing: 0.12em;
    text-transform: uppercase;
    margin-bottom: var(--space-3);
}

.strengths-title {
    font-size: 42px;
    font-weight: var(--font-weight-bold);
    color: var(--color-text-primary);
    letter-spacing: -0.02em;
    line-height: 1.2;
    margin-bottom: var(--space-4);
}

.strengths-subtitle {
    font-size: 17px;
    color: var(--color-text-secondary);
    line-height: 1.7;
    font-weight: var(--font-weight-regular);
    max-width: 680px;
    margin: 0 auto;
}

.strengths-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--space-5);
    position: relative;
    z-index: 1;
    margin-top: var(--space-12);
}

.strength-card {
    background-color: var(--color-background);
    border: 1px solid rgba(28, 93, 255, 0.08);
    border-radius: 18px;
    padding: 32px 28px;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    position: relative;
    overflow: hidden;
}

.strength-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: var(--color-primary);
    transform: scaleX(0);
    transform-origin: left;
    transition: transform 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

.strength-card:hover {
    background-color: var(--color-white);
    border-color: rgba(28, 93, 255, 0.15);
    transform: translateY(-2px);
    box-shadow: 0 8px 24px rgba(28, 93, 255, 0.08);
}

.strength-card:hover::before {
    transform: scaleX(1);
}

.strength-icon-wrapper {
    width: 64px;
    height: 64px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(28, 93, 255, 0.06);
    color: var(--color-primary);
    border-radius: 14px;
    font-size: 28px;
    margin-bottom: var(--space-6);
    transition: all 0.3s ease;
}

.strength-card:hover .strength-icon-wrapper {
    background: rgba(28, 93, 255, 0.1);
    transform: scale(1.05);
}

.strength-card-title {
    font-size: 20px;
    font-weight: var(--font-weight-semibold);
    color: var(--color-text-primary);
    margin-bottom: var(--space-3);
    letter-spacing: -0.01em;
    line-height: 1.4;
}

.strength-card-text {
    font-size: 15px;
    color: var(--color-text-secondary);
    line-height: 1.75;
    font-weight: var(--font-weight-regular);
}

/* Team Strengths Subsection */
.team-strengths {
    margin-top: var(--space-16);
    padding-top: var(--space-16);
    border-top: 1px solid rgba(15, 15, 15, 0.06);
    position: relative;
    z-index: 1;
}

.team-strengths-header {
    text-align: center;
    margin-bottom: var(--space-10);
}

.team-strengths-label {
    display: inline-block;
    font-size: 11px;
    font-weight: var(--font-weight-semibold);
    color: var(--color-primary);
    letter-spacing: 0.12em;
    text-transform: uppercase;
    margin-bottom: var(--space-3);
}

.team-strengths-title {
    font-size: 32px;
    font-weight: var(--font-weight-bold);
    color: var(--color-text-primary);
    letter-spacing: -0.02em;
    line-height: 1.3;
}

.team-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-5);
}

.team-card {
    background-color: var(--color-white);
    border: 1px solid rgba(15, 15, 15, 0.08);
    border-radius: 16px;
    padding: 28px;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.team-card:hover {
    border-color: rgba(28, 93, 255, 0.15);
    box-shadow: 0 6px 20px rgba(15, 15, 15, 0.06);
    transform: translateY(-1px);
}

.team-card-header {
    display: flex;
    align-items: center;
    gap: var(--space-4);
    margin-bottom: var(--space-5);
}

.team-avatar {
    width: 52px;
    height: 52px;
    border-radius: var(--radius-full);
    background: var(--color-primary);
    color: var(--color-white);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 20px;
    font-weight: var(--font-weight-semibold);
    flex-shrink: 0;
}

.team-info {
    flex: 1;
}

.team-name {
    font-size: var(--text-xl);
    font-weight: var(--font-weight-semibold);
    color: var(--color-text-primary);
    margin-bottom: var(--space-1);
    letter-spacing: -0.01em;
}

.team-role {
    font-size: var(--text-xs);
    color: var(--color-text-muted);
    font-weight: var(--font-weight-medium);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.team-details {
    list-style: none;
}

.team-details li {
    font-size: var(--text-sm);
    color: var(--color-text-secondary);
    line-height: 1.7;
    margin-bottom: var(--space-2);
    padding-left: var(--space-5);
    position: relative;
}

.team-details li::before {
    content: "";
    position: absolute;
    left: 0;
    top: 10px;
    width: 4px;
    height: 4px;
    background-color: var(--color-primary);
    border-radius: 50%;
}

.team-details li:last-child {
    margin-bottom: 0;
}

/* Strengths Section - Responsive Styles */
@media (max-width: 1024px) {
    .strengths-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: var(--space-5);
    }
    
    .team-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    .strengths-section {
        padding: var(--space-16) 0;
    }
    
    .strengths-header {
        margin-bottom: var(--space-8);
    }
    
    .strengths-title {
        font-size: 32px;
    }
    
    .strengths-subtitle {
        font-size: 16px;
    }
    
    .strengths-grid {
        grid-template-columns: 1fr;
        gap: var(--space-4);
        margin-top: var(--space-8);
    }
    
    .strength-card {
        padding: 28px 24px;
    }
    
    .strength-card-title {
        font-size: 18px;
    }
    
    .strength-card-text {
        font-size: 14px;
    }
    
    .team-strengths {
        margin-top: var(--space-12);
        padding-top: var(--space-12);
    }
    
    .team-strengths-header {
        margin-bottom: var(--space-8);
    }
    
    .team-strengths-title {
        font-size: 26px;
    }
    
    .team-grid {
        grid-template-columns: 1fr;
        gap: var(--space-4);
    }
    
    .team-card {
        padding: 24px;
    }
}

@media (max-width: 968px) {
    .strengths-grid {
        grid-template-columns: repeat(2, 1fr);
    }

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

@media (max-width: 640px) {
    .strengths-section {
        padding: var(--space-12) 0;
    }

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

    .strength-card {
        padding: var(--space-6);
    }

    .team-strengths {
        margin-top: var(--space-16);
    }

    .team-strengths-header {
        margin-bottom: var(--space-8);
    }

    .team-strengths-title {
        font-size: var(--text-2xl);
    }

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

    .team-card {
        padding: var(--space-6);
    }

    .team-avatar {
        width: 48px;
        height: 48px;
        font-size: var(--text-xl);
    }

    .team-name {
        font-size: var(--text-lg);
    }
}

/* ===================================
   8. CTA Section - Modern & Compact
   =================================== */

.cta-section {
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
    color: var(--color-white);
    padding: var(--space-16) 0;
    position: relative;
    overflow: hidden;
}

.cta-section::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -20%;
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, rgba(255, 255, 255, 0.1) 0%, transparent 70%);
    border-radius: 50%;
}

.cta-content {
    text-align: center;
    max-width: 720px;
    margin: 0 auto;
    position: relative;
    z-index: 1;
}

.cta-title {
    font-size: var(--text-4xl);
    font-weight: var(--font-weight-bold);
    color: var(--color-white);
    margin-bottom: var(--space-4);
    letter-spacing: -0.02em;
    line-height: 1.3;
}

.cta-text {
    font-size: var(--text-lg);
    color: rgba(255, 255, 255, 0.9);
    line-height: 1.7;
    margin-bottom: var(--space-8);
}

.cta-section .btn-large {
    background-color: var(--color-white);
    color: var(--color-primary);
    font-weight: var(--font-weight-semibold);
}

.cta-section .btn-large:hover {
    background-color: var(--color-background);
}

@media (max-width: 640px) {
    .cta-section {
        padding: var(--space-12) 0;
    }

    .cta-title {
        font-size: var(--text-3xl);
    }

    .cta-text {
        font-size: var(--text-base);
    }
}

/* ===================================
   9. Footer - Keep Original (Unchanged)
   =================================== */

.footer {
    background-color: var(--color-text-primary);
    color: var(--color-white);
    padding: var(--space-16) 0 var(--space-8);
}

.footer-content {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: var(--space-8);
    margin-bottom: var(--space-12);
}

.footer-logo {
    font-size: var(--text-xl);
    font-weight: var(--font-weight-semibold);
    color: var(--color-white);
    margin-bottom: var(--space-4);
    letter-spacing: -0.02em;
    display: flex;
    align-items: center;
    gap: var(--space-3);
}

.footer-logo-icon {
    height: 32px;
    width: auto;
    filter: brightness(0) invert(1);
}

.footer-text {
    font-size: var(--text-sm);
    color: rgba(255, 255, 255, 0.7);
    line-height: 1.7;
}

.footer-title {
    font-size: var(--text-sm);
    font-weight: var(--font-weight-semibold);
    color: var(--color-white);
    margin-bottom: var(--space-4);
    letter-spacing: 0.02em;
}

.footer-links li {
    margin-bottom: var(--space-2);
}

.footer-links a {
    font-size: var(--text-sm);
    color: rgba(255, 255, 255, 0.7);
    transition: var(--transition-fast);
}

.footer-links a:hover {
    color: var(--color-white);
}

.footer-bottom {
    text-align: center;
    padding-top: var(--space-8);
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-bottom p {
    font-size: var(--text-xs);
    color: rgba(255, 255, 255, 0.6);
}

@media (max-width: 768px) {
    .footer-content {
        grid-template-columns: 1fr;
        gap: var(--space-6);
    }
}

/* ===================================
   10. Utilities & Animations
   =================================== */

.pc-only {
    display: inline;
}

@media (max-width: 768px) {
    .pc-only {
        display: none;
    }
}

/* 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);
}

/* Back to Top Button */
.back-to-top {
    position: fixed;
    bottom: var(--space-6);
    right: var(--space-6);
    width: 48px;
    height: 48px;
    background-color: var(--color-primary);
    color: var(--color-white);
    border-radius: var(--radius-full);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 18px;
    cursor: pointer;
    opacity: 0;
    pointer-events: none;
    transition: var(--transition);
    z-index: 999;
    box-shadow: var(--shadow-lg);
}

.back-to-top.visible {
    opacity: 1;
    pointer-events: all;
}

.back-to-top:hover {
    background-color: var(--color-primary-hover);
    transform: translateY(-2px);
}

/* External Link Icon */
a[target="_blank"]:not(.btn):not(.business-link)::after {
    content: " ↗";
    font-size: 0.85em;
    margin-left: 2px;
}