/* ==========================================
   AI-SOLUTION - Main Stylesheet
   White-based Monotone Design
   ========================================== */

/* CSS Variables */
:root {
    /* Colors - Monotone White Base */
    --color-white: #ffffff;
    --color-off-white: #fafafa;
    --color-light-gray: #f5f5f5;
    --color-border: #e5e5e5;
    --color-gray: #999999;
    --color-dark-gray: #666666;
    --color-text: #333333;
    --color-black: #1a1a1a;
    
    /* Accent Color */
    --color-red: #bf0000;
    --color-red-dark: #990000;
    --color-red-light: #ff1a1a;
    
    /* Gradients */
    --gradient-light: linear-gradient(135deg, #ffffff 0%, #f5f5f5 100%);
    --gradient-red: linear-gradient(135deg, #bf0000 0%, #990000 100%);
    
    /* Typography */
    --font-main: 'Noto Sans JP', 'Inter', sans-serif;
    --font-en: 'Inter', sans-serif;
    
    /* Spacing */
    --section-padding: 100px;
    --container-width: 1200px;
    
    /* Transitions */
    --transition-fast: 0.15s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-base: 0.25s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-normal: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-slow: 0.5s cubic-bezier(0.4, 0, 0.2, 1);
    
    /* Border Radius */
    --radius-sm: 4px;
    --radius-md: 8px;
    --radius-lg: 16px;
    --radius-xl: 24px;
    
    /* Shadows */
    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.06);
    --shadow-md: 0 4px 20px rgba(0, 0, 0, 0.08);
    --shadow-lg: 0 10px 40px rgba(0, 0, 0, 0.1);
}

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

html {
    scroll-behavior: smooth;
    font-size: 16px;
}

body {
    font-family: var(--font-main);
    background-color: var(--color-white);
    color: var(--color-text);
    line-height: 1.8;
    overflow-x: hidden;
}

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

ul, ol {
    list-style: none;
}

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

/* Container */
.container {
    max-width: var(--container-width);
    margin: 0 auto;
    padding: 0 20px;
}

/* Typography */
.sp-only {
    display: none;
}

.highlight {
    color: var(--color-red);
}

.accent {
    color: var(--color-red);
    font-weight: 700;
}

.mt-lg {
    margin-top: 2rem;
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 14px 28px;
    font-size: 0.95rem;
    font-weight: 600;
    border-radius: var(--radius-md);
    cursor: pointer;
    border: 2px solid transparent;
    transition: var(--transition-normal);
}

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

.btn-primary:hover {
    background: var(--color-red-dark);
    border-color: var(--color-red-dark);
    transform: translateY(-2px);
    box-shadow: 0 10px 30px rgba(191, 0, 0, 0.25);
}

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

.btn-outline:hover {
    background: var(--color-black);
    color: var(--color-white);
    border-color: var(--color-black);
}

.btn-disabled {
    background: #e0e0e0;
    color: #666;
    border-color: #ccc;
    cursor: not-allowed;
    pointer-events: none;
}

.btn-lg {
    padding: 18px 36px;
    font-size: 1rem;
}

.btn-block {
    width: 100%;
}

/* Badge */
.badge {
    display: inline-block;
    padding: 8px 20px;
    background: rgba(191, 0, 0, 0.08);
    border: 1px solid var(--color-red);
    border-radius: 50px;
    font-size: 0.85rem;
    font-weight: 500;
    color: var(--color-red);
}

/* ==========================================
   Header
   ========================================== */
.header {
    position: fixed;
    top: 20px;
    left: 20px;
    right: 20px;
    z-index: 1000;
    transition: var(--transition-normal);
}

.header-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 70px;
    padding: 0 32px;
    background: rgba(255, 255, 255, 0.9);
    backdrop-filter: blur(20px);
    border-radius: 16px;
    box-shadow: 0 4px 24px rgba(0, 0, 0, 0.08);
    border: 1px solid rgba(255, 255, 255, 0.8);
}

.header.scrolled .header-inner {
    box-shadow: 0 4px 32px rgba(0, 0, 0, 0.12);
}

.logo {
    display: flex;
    align-items: center;
}

.logo-img {
    height: 40px;
    width: auto;
}

.nav-list {
    display: flex;
    gap: 32px;
}

.nav-link {
    font-size: 0.9rem;
    font-weight: 500;
    color: var(--color-dark-gray);
    position: relative;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--color-red);
    transition: var(--transition-normal);
}

.nav-link:hover {
    color: var(--color-black);
}

.nav-link:hover::after {
    width: 100%;
}

.header-cta {
    padding: 12px 28px;
    font-size: 0.9rem;
    background: var(--color-white);
    color: var(--color-black);
    border: 1px solid var(--color-border);
    border-radius: 50px;
    font-weight: 500;
}

.header-cta:hover {
    background: var(--color-black);
    color: var(--color-white);
    border-color: var(--color-black);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
}

.hamburger {
    display: none;
    flex-direction: column;
    gap: 6px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 10px;
}

.hamburger span {
    width: 24px;
    height: 2px;
    background: var(--color-black);
    transition: var(--transition-normal);
}

/* ==========================================
   Hero Section
   ========================================== */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding: 140px 0 80px;
    overflow: hidden;
    background: linear-gradient(60deg, rgba(191, 0, 0, 1) 0%, rgba(255, 107, 53, 1) 100%);
}

/* Geometric Background Animation */
.hero-geometric {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    overflow: hidden;
    pointer-events: none;
    z-index: 0;
}

.geo-shape {
    position: absolute;
}

/* Large Circles - Solid fills for visibility */
.geo-circle-1 {
    width: 400px;
    height: 400px;
    border-radius: 50%;
    background: rgba(255,255,255,0.12);
    top: -50px;
    right: -50px;
    animation: float-slow 20s ease-in-out infinite;
}

.geo-circle-2 {
    width: 350px;
    height: 350px;
    border-radius: 50%;
    background: rgba(255,255,255,0.1);
    bottom: 10%;
    left: -80px;
    animation: float-slow 25s ease-in-out infinite reverse;
}

.geo-circle-3 {
    width: 200px;
    height: 200px;
    border-radius: 50%;
    background: rgba(255,255,255,0.15);
    top: 25%;
    right: 5%;
    animation: float-medium 15s ease-in-out infinite;
}

.geo-circle-4 {
    width: 150px;
    height: 150px;
    border-radius: 50%;
    background: rgba(255,255,255,0.12);
    top: 8%;
    left: 8%;
    animation: float-medium 18s ease-in-out infinite 2s;
}

.geo-circle-5 {
    width: 100px;
    height: 100px;
    border-radius: 50%;
    background: rgba(255,255,255,0.18);
    bottom: 30%;
    right: 20%;
    animation: float-slow 22s ease-in-out infinite reverse;
}

/* Rings */
.geo-ring-1 {
    width: 250px;
    height: 250px;
    border-radius: 50%;
    border: 4px solid rgba(255,255,255,0.2);
    top: 35%;
    left: 3%;
    animation: pulse-ring 8s ease-in-out infinite;
}

.geo-ring-2 {
    width: 120px;
    height: 120px;
    border-radius: 50%;
    border: 3px solid rgba(255,255,255,0.18);
    top: 8%;
    left: 25%;
    animation: pulse-ring 6s ease-in-out infinite 2s;
}

.geo-ring-3 {
    width: 180px;
    height: 180px;
    border-radius: 50%;
    border: 3px solid rgba(255,255,255,0.15);
    bottom: 18%;
    right: 8%;
    animation: pulse-ring 7s ease-in-out infinite 1s;
}

/* Small Dots */
.geo-dot-1 {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: rgba(255,255,255,0.5);
    top: 20%;
    left: 20%;
    animation: twinkle 4s ease-in-out infinite;
}

.geo-dot-2 {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background: rgba(255,255,255,0.45);
    top: 50%;
    right: 20%;
    animation: twinkle 5s ease-in-out infinite 1s;
}

.geo-dot-3 {
    width: 14px;
    height: 14px;
    border-radius: 50%;
    background: rgba(255,255,255,0.4);
    bottom: 30%;
    left: 40%;
    animation: twinkle 6s ease-in-out infinite 2s;
}

.geo-dot-4 {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: rgba(255,255,255,0.5);
    top: 35%;
    right: 35%;
    animation: twinkle 4.5s ease-in-out infinite 0.5s;
}

.geo-dot-5 {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background: rgba(255,255,255,0.45);
    bottom: 45%;
    left: 15%;
    animation: twinkle 5.5s ease-in-out infinite 1.5s;
}

/* Animations */
@keyframes float-slow {
    0%, 100% {
        transform: translate(0, 0);
    }
    25% {
        transform: translate(30px, -20px);
    }
    50% {
        transform: translate(-20px, 30px);
    }
    75% {
        transform: translate(20px, 20px);
    }
}

@keyframes float-medium {
    0%, 100% {
        transform: translate(0, 0) rotate(0deg);
    }
    33% {
        transform: translate(20px, -30px) rotate(5deg);
    }
    66% {
        transform: translate(-15px, 20px) rotate(-5deg);
    }
}

@keyframes rotate-float {
    0% {
        transform: translate(0, 0) rotate(0deg);
    }
    100% {
        transform: translate(0, 0) rotate(360deg);
    }
}

@keyframes pulse-ring {
    0%, 100% {
        transform: scale(1);
        opacity: 0.08;
    }
    50% {
        transform: scale(1.1);
        opacity: 0.12;
    }
}

@keyframes twinkle {
    0%, 100% {
        opacity: 0.3;
        transform: scale(1);
    }
    50% {
        opacity: 0.6;
        transform: scale(1.5);
    }
}

.waves {
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 20vh;
    min-height: 100px;
    max-height: 200px;
    z-index: 0;
}

.waves-svg {
    position: relative;
    width: 100%;
    height: 100%;
}

.parallax > use {
    animation: move-forever 25s cubic-bezier(.55,.5,.45,.5) infinite;
}

.parallax > use:nth-child(1) {
    animation-delay: -2s;
    animation-duration: 7s;
}

.parallax > use:nth-child(2) {
    animation-delay: -3s;
    animation-duration: 10s;
}

.parallax > use:nth-child(3) {
    animation-delay: -4s;
    animation-duration: 13s;
}

.parallax > use:nth-child(4) {
    animation-delay: -5s;
    animation-duration: 20s;
}

@keyframes move-forever {
    0% {
        transform: translate3d(-90px,0,0);
    }
    100% { 
        transform: translate3d(85px,0,0);
    }
}

.hero .container {
    position: relative;
    z-index: 1;
    width: 100%;
}

.hero-grid {
    display: grid;
    grid-template-columns: minmax(auto, 600px) 480px;
    gap: 24px;
    align-items: start;
    justify-content: center;
}

.hero-left {
    display: flex;
    flex-direction: column;
}

.hero-content {
    margin-bottom: 40px;
}

.hero-badge {
    margin-bottom: 24px;
}

.hero-title {
    font-size: 2.75rem;
    font-weight: 700;
    line-height: 1.4;
    margin-bottom: 20px;
    letter-spacing: -0.02em;
    color: var(--color-black);
}

.curtain-text {
    display: inline-block;
    position: relative;
    overflow: hidden;
    padding-left: 12px;
}

.curtain-text::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: #ffffff;
    z-index: -1;
    transform: translateX(-100%);
    animation: curtainSlide 0.8s cubic-bezier(0.645, 0.045, 0.355, 1) forwards;
}

.curtain-text-1::before {
    animation-delay: 0.3s;
}

.curtain-text-2::before {
    animation-delay: 1.1s;
}

@keyframes curtainSlide {
    0% {
        transform: translateX(-100%);
    }
    100% {
        transform: translateX(0);
    }
}

.hero-subtitle {
    font-size: 1.1rem;
    color: #ffffff;
    line-height: 1.8;
}
}

.hero-visual {
    display: flex;
    justify-content: flex-start;
    align-items: center;
    max-width: 600px;
}

.hero-image {
    width: 100%;
    max-width: 600px;
    height: auto;
    filter: 
        drop-shadow(0 0 1px #ffffff)
        drop-shadow(0 0 1px #ffffff)
        drop-shadow(0 0 2px #ffffff);
}

/* Hero Form Card */
.hero-right {
    position: relative;
}

.hero-form-card {
    background: var(--color-white);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    padding: 24px 20px;
    box-shadow: var(--shadow-md);
}

.form-header {
    text-align: center;
    margin-bottom: 20px;
}

.form-title {
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--color-black);
    margin-bottom: 6px;
}

.form-subtitle {
    font-size: 0.75rem;
    color: var(--color-gray);
}

.hero-form .form-group {
    margin-bottom: 14px;
}

.hero-form label {
    display: block;
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--color-text);
    margin-bottom: 6px;
}

.hero-form .required {
    color: var(--color-red);
    font-size: 0.65rem;
    margin-left: 4px;
}

.hero-form input,
.hero-form textarea,
.hero-form select {
    width: 100%;
    padding: 10px 12px;
    font-size: 0.8rem;
    font-family: var(--font-main);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
    background: var(--color-white);
    color: var(--color-text);
    transition: var(--transition-normal);
}

.hero-form select {
    cursor: pointer;
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%23333' d='M6 9L1 4h10z'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 12px center;
    background-size: 12px;
    padding-right: 36px;
}

.hero-form input:focus,
.hero-form textarea:focus,
.hero-form select:focus {
    outline: none;
    border-color: var(--color-red);
    box-shadow: 0 0 0 3px rgba(191, 0, 0, 0.1);
}

.hero-form input::placeholder,
.hero-form textarea::placeholder {
    color: var(--color-gray);
}

.hero-form textarea {
    resize: vertical;
    min-height: 60px;
}

.hero-form .btn {
    margin-top: 4px;
    padding: 10px 20px;
    font-size: 0.8rem;
}

.form-note {
    text-align: center;
    font-size: 0.7rem;
    color: var(--color-gray);
    margin-top: 12px;
    line-height: 1.6;
}

.form-note i {
    margin-right: 4px;
    font-size: 0.65rem;
}

.form-note .privacy-link {
    color: var(--color-red);
    text-decoration: underline;
    margin-left: 8px;
}

.form-note .privacy-link:hover {
    color: var(--color-red-dark);
}

/* Success Screen */
.success-screen {
    text-align: center;
    padding: 40px 20px;
}

.success-icon {
    font-size: 4rem;
    color: #4CAF50;
    margin-bottom: 20px;
    animation: scaleIn 0.5s ease;
}

.success-title {
    font-size: 1.3rem;
    font-weight: 700;
    color: var(--color-black);
    margin-bottom: 12px;
}

.success-text {
    font-size: 0.9rem;
    color: var(--color-dark-gray);
    line-height: 1.7;
    margin-bottom: 20px;
}

.success-countdown {
    font-size: 0.8rem;
    color: var(--color-gray);
}

.success-countdown span {
    font-weight: 700;
    color: var(--color-red);
}

@keyframes scaleIn {
    from {
        transform: scale(0);
        opacity: 0;
    }
    to {
        transform: scale(1);
        opacity: 1;
    }
}

/* ==========================================
   Section Common Styles
   ========================================== */
.section {
    padding: var(--section-padding) 0;
}

.section-header {
    text-align: center;
    margin-bottom: 60px;
}

.section-label {
    display: inline-block;
    font-size: 0.8rem;
    font-weight: 600;
    letter-spacing: 0.15em;
    color: var(--color-red);
    margin-bottom: 16px;
    font-family: var(--font-en);
}

.section-title {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 16px;
    line-height: 1.4;
    color: var(--color-black);
}

.section-desc {
    font-size: 1.1rem;
    color: var(--color-dark-gray);
    max-width: 600px;
    margin: 0 auto;
}

/* ==========================================
   Problems Section
   ========================================== */
.problems {
    background: var(--color-white);
}

.problems-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 24px;
    margin-bottom: 48px;
}

.problem-card {
    background: var(--color-white);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    padding: 32px;
    transition: var(--transition-normal);
}

.problem-card:hover {
    border-color: var(--color-red);
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
}

.problem-icon {
    width: 56px;
    height: 56px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(191, 0, 0, 0.08);
    border-radius: var(--radius-md);
    margin-bottom: 20px;
}

.problem-icon i {
    font-size: 1.5rem;
    color: var(--color-red);
}

.problem-title {
    font-size: 1.15rem;
    font-weight: 600;
    margin-bottom: 12px;
    color: var(--color-black);
}

.problem-text {
    font-size: 0.95rem;
    color: var(--color-dark-gray);
    line-height: 1.7;
}

.problems-arrow {
    text-align: center;
    margin-bottom: 32px;
}

.problems-arrow i {
    font-size: 2rem;
    color: var(--color-red);
    animation: arrowBounce 1.5s infinite;
}

@keyframes arrowBounce {
    0%, 100% {
        transform: translateY(0);
    }
    50% {
        transform: translateY(10px);
    }
}

.solution-intro {
    text-align: center;
}

.solution-text {
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--color-black);
}

/* ==========================================
   Features Section
   ========================================== */
.features {
    background: var(--color-off-white);
}

.features-list {
    display: flex;
    flex-direction: column;
    gap: 48px;
}

.feature-item {
    display: flex;
    gap: 48px;
    align-items: flex-start;
    padding: 48px;
    background: var(--color-white);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-xl);
    transition: var(--transition-normal);
}

.feature-item:hover {
    box-shadow: var(--shadow-lg);
    border-color: transparent;
}

.feature-number {
    font-size: 4rem;
    font-weight: 800;
    font-family: var(--font-en);
    color: var(--color-red);
    opacity: 0.2;
    line-height: 1;
    min-width: 100px;
}

.feature-content {
    flex: 1;
}

.feature-title {
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 16px;
    color: var(--color-black);
}

.feature-title i {
    color: var(--color-red);
}

.feature-text {
    font-size: 1.05rem;
    color: var(--color-dark-gray);
    margin-bottom: 24px;
    line-height: 1.8;
}

.feature-list {
    display: flex;
    flex-wrap: wrap;
    gap: 12px 24px;
}

.feature-list li {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 0.95rem;
    color: var(--color-text);
}

.feature-list i {
    color: var(--color-red);
    font-size: 0.8rem;
}

/* ==========================================
   Services Section
   ========================================== */
.services {
    background: var(--color-white);
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
}

.service-card {
    position: relative;
    background: var(--color-white);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    padding: 32px 24px;
    transition: var(--transition-normal);
}

.service-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
    border-color: transparent;
}

.service-card.featured {
    border-color: var(--color-red);
    border-width: 2px;
}

.service-badge {
    position: absolute;
    top: -12px;
    right: 20px;
    background: var(--color-red);
    color: var(--color-white);
    font-size: 0.75rem;
    font-weight: 600;
    padding: 6px 16px;
    border-radius: 50px;
}

.service-icon {
    width: 64px;
    height: 64px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(191, 0, 0, 0.08);
    border-radius: var(--radius-lg);
    margin-bottom: 20px;
}

.service-icon i {
    font-size: 1.75rem;
    color: var(--color-red);
}

.service-tag {
    display: inline-block;
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--color-red);
    margin-bottom: 8px;
    letter-spacing: 0.05em;
}

.service-title {
    font-size: 1.25rem;
    font-weight: 700;
    margin-bottom: 12px;
    color: var(--color-black);
}

.service-desc {
    font-size: 0.9rem;
    color: var(--color-dark-gray);
    margin-bottom: 20px;
    line-height: 1.6;
}

.service-list {
    margin-bottom: 24px;
}

.service-list li {
    font-size: 0.85rem;
    color: var(--color-text);
    padding: 8px 0;
    border-bottom: 1px solid var(--color-border);
    display: flex;
    align-items: center;
    gap: 8px;
}

.service-list li::before {
    content: '•';
    color: var(--color-red);
}

.service-needs {
    background: var(--color-light-gray);
    border-radius: var(--radius-md);
    padding: 16px;
}

.needs-label {
    display: block;
    font-size: 0.75rem;
    color: var(--color-gray);
    margin-bottom: 6px;
}

.service-needs p {
    font-size: 0.9rem;
    color: var(--color-black);
    font-weight: 500;
}

/* ==========================================
   Roadmap Section
   ========================================== */
.roadmap {
    background: var(--color-off-white);
}

.roadmap-timeline {
    position: relative;
    display: flex;
    flex-direction: column;
    gap: 32px;
}

.roadmap-timeline::before {
    content: '';
    position: absolute;
    left: 140px;
    top: 0;
    bottom: 0;
    width: 2px;
    background: linear-gradient(to bottom, var(--color-red), var(--color-gray));
}

.roadmap-item {
    display: flex;
    gap: 40px;
    position: relative;
}

.roadmap-step {
    width: 140px;
    flex-shrink: 0;
    text-align: right;
    padding-right: 40px;
    position: relative;
}

.roadmap-step::after {
    content: '';
    position: absolute;
    right: -7px;
    top: 8px;
    width: 16px;
    height: 16px;
    background: var(--color-red);
    border-radius: 50%;
    border: 3px solid var(--color-off-white);
}

.step-number {
    display: block;
    font-size: 0.85rem;
    font-weight: 700;
    color: var(--color-red);
    font-family: var(--font-en);
    letter-spacing: 0.05em;
}

.step-period {
    display: block;
    font-size: 0.8rem;
    color: var(--color-gray);
    margin-top: 4px;
}

.roadmap-content {
    flex: 1;
    background: var(--color-white);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    padding: 32px;
    transition: var(--transition-normal);
}

.roadmap-content:hover {
    box-shadow: var(--shadow-md);
    border-color: var(--color-red);
}

.roadmap-title {
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 1.25rem;
    font-weight: 700;
    margin-bottom: 12px;
    color: var(--color-black);
}

.roadmap-title i {
    color: var(--color-red);
}

.roadmap-desc {
    font-size: 1rem;
    color: var(--color-dark-gray);
    margin-bottom: 20px;
    line-height: 1.7;
}

.roadmap-output {
    background: var(--color-light-gray);
    border-radius: var(--radius-md);
    padding: 16px;
}

.roadmap-output span {
    display: block;
    font-size: 0.75rem;
    color: var(--color-red);
    font-weight: 600;
    margin-bottom: 8px;
}

.roadmap-output ul {
    display: flex;
    gap: 16px;
}

.roadmap-output li {
    font-size: 0.9rem;
    color: var(--color-text);
}

.roadmap-output li::before {
    content: '✓ ';
    color: var(--color-red);
}

/* ==========================================
   Pricing Section
   ========================================== */
.pricing {
    background: var(--color-white);
}

.pricing-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
    margin-bottom: 40px;
}

.pricing-card {
    position: relative;
    background: var(--color-white);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-xl);
    padding: 40px 32px;
    transition: var(--transition-normal);
}

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

.pricing-card.featured {
    border-color: var(--color-red);
    border-width: 2px;
    transform: scale(1.05);
}

.pricing-card.featured:hover {
    transform: scale(1.05) translateY(-8px);
}

.pricing-badge {
    position: absolute;
    top: -14px;
    left: 50%;
    transform: translateX(-50%);
    background: var(--color-red);
    color: var(--color-white);
    font-size: 0.8rem;
    font-weight: 600;
    padding: 8px 24px;
    border-radius: 50px;
}

.pricing-header {
    text-align: center;
    margin-bottom: 24px;
}

.pricing-name {
    font-size: 1.5rem;
    font-weight: 700;
    font-family: var(--font-en);
    margin-bottom: 8px;
    color: var(--color-black);
}

.pricing-header .pricing-desc {
    font-size: 0.9rem;
    color: var(--color-gray);
}

.pricing-price {
    text-align: center;
    margin-bottom: 32px;
    padding-bottom: 32px;
    border-bottom: 1px solid var(--color-border);
}

.price-currency {
    font-size: 1.25rem;
    font-weight: 600;
    vertical-align: top;
    color: var(--color-black);
}

.price-amount {
    font-size: 3rem;
    font-weight: 800;
    font-family: var(--font-en);
    letter-spacing: -0.02em;
    color: var(--color-black);
}

.price-period {
    font-size: 0.9rem;
    color: var(--color-gray);
}

.pricing-features {
    margin-bottom: 32px;
}

.pricing-features li {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px 0;
    font-size: 0.95rem;
    border-bottom: 1px solid var(--color-border);
    color: var(--color-text);
}

.pricing-features li i {
    width: 20px;
    text-align: center;
}

.pricing-features li .fa-check {
    color: var(--color-red);
}

.pricing-features li .fa-times {
    color: var(--color-gray);
}

.pricing-features li.disabled {
    color: var(--color-gray);
}

.pricing-notes {
    text-align: center;
}

.pricing-notes p {
    font-size: 0.9rem;
    color: var(--color-gray);
    margin-bottom: 8px;
}

.pricing-notes i {
    color: var(--color-red);
    margin-right: 8px;
}

/* ==========================================
   Company Section
   ========================================== */
.company {
    background: var(--color-off-white);
}

.company-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: start;
}

.company-message {
    background: var(--color-white);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-xl);
    padding: 48px;
}

.message-logo {
    width: 100px;
    height: 100px;
    margin-bottom: 32px;
}

.message-logo img {
    width: 100%;
    height: 100%;
    object-fit: contain;
}

.message-title {
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--color-red);
    letter-spacing: 0.1em;
    margin-bottom: 8px;
}

.message-text {
    font-size: 2rem;
    font-weight: 700;
    font-family: var(--font-en);
    margin-bottom: 8px;
}

.message-text.mission {
    color: var(--color-black);
}

.message-text.vision {
    color: var(--color-red);
}

.message-desc {
    font-size: 0.95rem;
    color: var(--color-gray);
}

.company-info {
    background: var(--color-white);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-xl);
    padding: 48px;
}

.info-table {
    width: 100%;
    border-collapse: collapse;
}

.info-table tr {
    border-bottom: 1px solid var(--color-border);
}

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

.info-table th,
.info-table td {
    padding: 20px 0;
    text-align: left;
    vertical-align: top;
}

.info-table th {
    width: 120px;
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--color-gray);
}

.info-table td {
    font-size: 0.95rem;
    color: var(--color-text);
    line-height: 1.7;
}

/* ==========================================
   Events Section
   ========================================== */
.events {
    background: var(--color-bg);
    padding: 80px 0;
}

.events-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 32px;
    margin-top: 48px;
}

.event-card {
    background: var(--color-white);
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-md);
    transition: var(--transition-base);
    position: relative;
    display: flex;
    flex-direction: column;
}

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

.event-badge {
    position: absolute;
    top: 16px;
    right: 16px;
    background: var(--color-red);
    color: var(--color-white);
    padding: 6px 16px;
    border-radius: 20px;
    font-size: 0.85rem;
    font-weight: 600;
    z-index: 2;
}

.event-badge.soon {
    background: var(--color-accent);
}

.event-badge.full {
    background: var(--color-gray);
}

.event-badge.ended {
    background: #111827;
    color: var(--color-white);
}

.event-image {
    position: relative;
    width: 100%;
    aspect-ratio: 16 / 9;
    overflow: hidden;
    background: #000000;
}

.event-image img {
    width: 100%;
    height: 100%;
    object-fit: contain;
    opacity: 1;
}

.event-content {
    padding: 24px;
    display: flex;
    flex-direction: column;
    flex: 1;
}

.event-meta {
    display: flex;
    flex-wrap: wrap;
    gap: 16px;
    margin-bottom: 16px;
    font-size: 0.9rem;
    color: var(--color-gray);
}

.event-meta i {
    margin-right: 6px;
    color: var(--color-red);
}

.event-date,
.event-time {
    display: flex;
    align-items: center;
}

.event-title {
    font-size: 1.2rem;
    font-weight: 700;
    color: var(--color-text);
    margin-bottom: 12px;
    line-height: 1.5;
}

.event-desc {
    font-size: 0.95rem;
    color: var(--color-dark-gray);
    line-height: 1.7;
    margin-bottom: 16px;
    flex: 1;
}

.event-type {
    display: flex;
    align-items: center;
    font-size: 0.9rem;
    color: var(--color-text);
    margin-bottom: 20px;
    padding: 10px 0;
    border-top: 1px solid var(--color-border);
}

.event-type i {
    margin-right: 8px;
    color: var(--color-red);
}

.event-card .btn {
    width: 100%;
    justify-content: center;
}

.event-card .btn.disabled {
    background: var(--color-light-gray);
    color: var(--color-gray);
    cursor: not-allowed;
    border-color: var(--color-border);
}

.event-card .btn.disabled:hover {
    background: var(--color-light-gray);
    color: var(--color-gray);
    transform: none;
}

@media (max-width: 768px) {
    .events-grid {
        grid-template-columns: 1fr;
        gap: 24px;
    }

    .event-content {
        padding: 20px;
    }

    .event-title {
        font-size: 1.1rem;
    }

    .event-meta {
        font-size: 0.85rem;
    }
}

/* ==========================================
   Case Studies Section (Horizontal Cards)
   ========================================== */
.case-studies {
    background: var(--color-white);
    padding: 80px 0;
}

.case-studies-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 32px;
    margin-top: 48px;
}

.case-card {
    background: var(--color-white);
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-md);
    transition: var(--transition-base);
    display: flex;
    flex-direction: column;
}

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

.case-image {
    position: relative;
    width: 100%;
    aspect-ratio: 16 / 9;
    overflow: hidden;
    background: var(--color-white);
}

.case-image img {
    width: 100%;
    height: 100%;
    object-fit: contain;
    transition: var(--transition-base);
}

.case-card:hover .case-image img {
    transform: scale(1.03);
}

.case-category {
    position: absolute;
    top: 16px;
    left: 16px;
    background: var(--color-red);
    color: var(--color-white);
    padding: 6px 16px;
    border-radius: 20px;
    font-size: 0.85rem;
    font-weight: 600;
    z-index: 2;
}

.case-content {
    padding: 28px 32px;
    display: flex;
    flex-direction: column;
    justify-content: center;
    flex: 1;
}

.case-title {
    font-size: 1.3rem;
    font-weight: 700;
    color: var(--color-text);
    margin-bottom: 12px;
    line-height: 1.5;
}

.case-desc {
    font-size: 0.95rem;
    color: var(--color-dark-gray);
    line-height: 1.7;
    margin-bottom: 16px;
}

.case-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-bottom: 20px;
}

.case-tags .tag {
    display: inline-block;
    padding: 4px 12px;
    background: var(--color-light-gray);
    color: var(--color-text);
    border-radius: 12px;
    font-size: 0.8rem;
    font-weight: 500;
}

.case-btn {
    width: 100%;
    justify-content: center;
    gap: 8px;
}

.case-btn i {
    font-size: 0.9rem;
}

@media (max-width: 1024px) {
    .case-studies-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    .case-studies-grid {
        grid-template-columns: 1fr;
        gap: 24px;
    }

    .case-content {
        padding: 24px;
    }

    .case-title {
        font-size: 1.2rem;
    }
}

/* ==========================================
   Page Header (for sub pages)
   ========================================== */
.page-header {
    padding: 140px 0 60px;
    background: linear-gradient(135deg, var(--color-red) 0%, #C70000 100%);
    color: var(--color-white);
    text-align: center;
}

.page-title {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 20px;
}

.page-desc {
    font-size: 1.1rem;
    line-height: 1.8;
    opacity: 0.9;
}

@media (max-width: 768px) {
    .page-header {
        padding: 120px 0 40px;
    }
    
    .page-title {
        font-size: 1.8rem;
    }
    
    .page-desc {
        font-size: 1rem;
    }
}

/* ==========================================
   Case Studies List Page (2-column grid)
   ========================================== */
.case-studies-list {
    background: var(--color-bg);
    padding: 60px 0;
}

.case-studies-list .case-studies-grid {
    display: grid !important;
    grid-template-columns: repeat(2, 1fr) !important;
    flex-direction: column !important;
    gap: 32px;
    margin-top: 48px;
}

.case-studies-list .case-card {
    flex-direction: column !important;
    margin-bottom: 0;
    align-items: stretch;
}

.case-studies-list .case-card:hover {
    transform: translateY(-4px) !important;
}

.case-studies-list .case-image {
    width: 100% !important;
    min-width: 100% !important;
    background: var(--color-white) !important;
    border-right: none !important;
    border-bottom: 1px solid var(--color-border);
}

.case-studies-list .case-image img {
    width: 100% !important;
    height: auto !important;
    object-fit: contain !important;
}

.case-studies-list .case-content {
    padding: 24px;
    justify-content: flex-start;
}

.case-studies-list .case-title {
    font-size: 1.2rem;
}

.case-studies-list .case-btn {
    width: 100% !important;
    justify-content: center !important;
    align-self: stretch !important;
}

@media (max-width: 968px) {
    .case-studies-list .case-studies-grid {
        grid-template-columns: 1fr !important;
        gap: 24px;
    }
}

.case-details {
    margin-top: 20px;
    padding-top: 20px;
    border-top: 1px solid var(--color-border);
}

.case-details h4 {
    font-size: 1rem;
    font-weight: 700;
    color: var(--color-text);
    margin: 20px 0 12px 0;
}

.case-details h4:first-child {
    margin-top: 0;
}

.case-details p {
    font-size: 0.9rem;
    line-height: 1.7;
    color: var(--color-dark-gray);
    margin-bottom: 12px;
}

.case-details ul {
    list-style: none;
    padding: 0;
    margin: 0 0 12px 0;
}

.case-details ul li {
    font-size: 0.9rem;
    line-height: 1.7;
    color: var(--color-dark-gray);
    padding-left: 20px;
    position: relative;
    margin-bottom: 8px;
}

.case-details ul li::before {
    content: "✓";
    position: absolute;
    left: 0;
    color: var(--color-red);
    font-weight: 700;
}

/* ==========================================
   Download Form Section
   ========================================== */
.download-form-section {
    background: var(--color-white);
    padding: 80px 0;
}

.download-form-card {
    background: var(--color-bg);
    border-radius: var(--radius-lg);
    padding: 48px;
    margin: 40px auto 0;
    max-width: 800px;
    box-shadow: var(--shadow-lg);
}

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

.download-form .form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
    margin-bottom: 20px;
}

.download-form .form-group {
    margin-bottom: 20px;
}

.download-form label {
    display: block;
    font-size: 0.9rem;
    font-weight: 600;
    margin-bottom: 8px;
    color: var(--color-text);
}

.download-form .required {
    color: var(--color-red);
    font-size: 0.75rem;
    margin-left: 4px;
}

.download-form input,
.download-form textarea,
.download-form select {
    width: 100%;
    padding: 12px 16px;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
    font-size: 0.95rem;
    transition: var(--transition-fast);
    font-family: inherit;
    background: var(--color-white);
}

.download-form select {
    cursor: pointer;
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%23333' d='M6 9L1 4h10z'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 16px center;
    background-size: 12px;
    padding-right: 44px;
}

.download-form input:focus,
.download-form textarea:focus,
.download-form select:focus {
    outline: none;
    border-color: var(--color-red);
    box-shadow: 0 0 0 3px rgba(191, 0, 0, 0.1);
}

.download-form textarea {
    resize: vertical;
    min-height: 120px;
}

.download-form .btn {
    margin-top: 10px;
}

.download-form .form-note {
    text-align: center;
    font-size: 0.85rem;
    color: var(--color-gray);
    margin-top: 16px;
    margin-bottom: 0;
}

.download-form .form-note i {
    margin-right: 6px;
    color: var(--color-red);
}

.download-form .form-note .privacy-link {
    color: var(--color-red);
    text-decoration: underline;
}

.download-form .form-note .privacy-link:hover {
    opacity: 0.8;
}

.download-form-card .success-screen {
    text-align: center;
    padding: 40px 20px;
}

.download-form-card .success-icon {
    font-size: 4rem;
    color: var(--color-accent);
    margin-bottom: 24px;
    animation: scaleIn 0.5s ease-out;
}

.download-form-card .success-title {
    font-size: 1.8rem;
    font-weight: 700;
    color: var(--color-text);
    margin-bottom: 16px;
}

.download-form-card .success-text {
    font-size: 1rem;
    color: var(--color-dark-gray);
    line-height: 1.7;
    margin-bottom: 24px;
}

.download-form-card .success-countdown {
    font-size: 0.9rem;
    color: var(--color-gray);
}

.download-form-card .success-countdown span {
    font-weight: 700;
    color: var(--color-red);
}

@media (max-width: 768px) {
    .download-form-card {
        padding: 32px 24px;
    }

    .download-form .form-row {
        grid-template-columns: 1fr;
        gap: 0;
    }
}

/* ==========================================
   Download Thank You Page
   ========================================== */
.download-thanks {
    padding: 140px 0 80px;
    background: var(--color-bg);
    min-height: 100vh;
}

.thanks-content {
    max-width: 800px;
    margin: 0 auto;
    text-align: center;
}

.thanks-icon {
    font-size: 5rem;
    color: var(--color-accent);
    margin-bottom: 32px;
    animation: scaleIn 0.5s ease-out;
}

.thanks-title {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--color-text);
    margin-bottom: 20px;
}

.thanks-text {
    font-size: 1.1rem;
    color: var(--color-dark-gray);
    line-height: 1.8;
    margin-bottom: 60px;
}

.download-section {
    background: var(--color-white);
    border-radius: var(--radius-lg);
    padding: 48px;
    margin-bottom: 40px;
    box-shadow: var(--shadow-lg);
}

.download-section-title {
    font-size: 1.8rem;
    font-weight: 700;
    color: var(--color-text);
    margin-bottom: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 12px;
}

.download-section-title i {
    color: var(--color-red);
}

.download-section-desc {
    font-size: 1rem;
    color: var(--color-dark-gray);
    margin-bottom: 32px;
}

.download-links {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.download-card {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 24px;
    border: 2px solid var(--color-border);
    border-radius: var(--radius-md);
    transition: var(--transition-base);
    background: var(--color-white);
}

.download-card:hover {
    border-color: var(--color-red);
    box-shadow: var(--shadow-md);
}

.download-card-header {
    display: flex;
    align-items: center;
    gap: 20px;
    flex: 1;
    text-align: left;
}

.download-icon {
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, var(--color-red) 0%, #C70000 100%);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.8rem;
    color: var(--color-white);
    flex-shrink: 0;
}

.download-info {
    flex: 1;
}

.download-title {
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--color-text);
    margin-bottom: 6px;
    line-height: 1.4;
}

.download-meta {
    font-size: 0.85rem;
    color: var(--color-gray);
    margin: 0;
}

.download-btn {
    flex-shrink: 0;
    white-space: nowrap;
}

.thanks-notice {
    background: var(--color-light-gray);
    border-left: 4px solid var(--color-red);
    padding: 20px 24px;
    border-radius: var(--radius-sm);
    margin-bottom: 40px;
}

.thanks-notice p {
    margin: 0;
    font-size: 0.95rem;
    color: var(--color-text);
    text-align: left;
}

.thanks-notice i {
    color: var(--color-red);
    margin-right: 8px;
}

.thanks-actions {
    display: flex;
    gap: 16px;
    justify-content: center;
    flex-wrap: wrap;
}

.thanks-actions .btn {
    min-width: 200px;
}

@media (max-width: 768px) {
    .download-thanks {
        padding: 120px 0 60px;
    }

    .thanks-title {
        font-size: 1.8rem;
    }

    .thanks-text {
        font-size: 1rem;
    }

    .download-section {
        padding: 32px 20px;
    }

    .download-section-title {
        font-size: 1.5rem;
    }

    .download-card {
        flex-direction: column;
        gap: 20px;
        padding: 20px;
    }

    .download-card-header {
        flex-direction: column;
        text-align: center;
    }

    .download-btn {
        width: 100%;
    }

    .thanks-actions {
        flex-direction: column;
    }

    .thanks-actions .btn {
        width: 100%;
    }
}

/* ==========================================
   CTA Section
   ========================================== */
.cta {
    background: var(--color-black);
    color: var(--color-white);
}

.cta-content {
    text-align: center;
    max-width: 900px;
    margin: 0 auto;
}

.cta-title {
    font-size: 2.25rem;
    font-weight: 700;
    margin-bottom: 20px;
    line-height: 1.5;
    color: var(--color-white);
}

.cta-title .highlight {
    color: var(--color-red-light);
}

.cta-desc {
    font-size: 1.1rem;
    color: var(--color-gray);
    margin-bottom: 40px;
    line-height: 1.8;
}

/* CTA Form */
.cta-form-card {
    background: var(--color-white);
    border-radius: var(--radius-lg);
    padding: 40px;
    margin: 40px 0;
    box-shadow: 0 10px 50px rgba(0, 0, 0, 0.3);
}

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

.cta-form .form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
    margin-bottom: 0;
}

.cta-form .form-group {
    margin-bottom: 20px;
}

.cta-form label {
    display: block;
    font-size: 0.9rem;
    font-weight: 600;
    margin-bottom: 8px;
    color: var(--color-text);
}

.cta-form .required {
    color: var(--color-red);
    font-size: 0.75rem;
    margin-left: 4px;
}

.cta-form input,
.cta-form textarea,
.cta-form select {
    width: 100%;
    padding: 12px 16px;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
    font-size: 0.95rem;
    transition: var(--transition-fast);
    font-family: inherit;
}

.cta-form select {
    cursor: pointer;
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%23333' d='M6 9L1 4h10z'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 16px center;
    background-size: 12px;
    padding-right: 44px;
}

.cta-form input:focus,
.cta-form textarea:focus,
.cta-form select:focus {
    outline: none;
    border-color: var(--color-red);
    box-shadow: 0 0 0 3px rgba(191, 0, 0, 0.1);
}

.cta-form textarea {
    resize: vertical;
    min-height: 100px;
}

.cta-form .btn {
    margin-top: 10px;
}

.cta-form .form-note {
    text-align: center;
    font-size: 0.85rem;
    color: var(--color-gray);
    margin-top: 16px;
    margin-bottom: 0;
}

.cta-form .form-note i {
    color: var(--color-red);
    margin-right: 4px;
}

.cta-form .form-note .privacy-link {
    color: var(--color-red);
    text-decoration: underline;
}

.cta-form .form-note .privacy-link:hover {
    opacity: 0.8;
}

/* Success Screen for CTA Form */
#ctaSuccessMessage.success-screen {
    text-align: center;
    padding: 60px 20px;
}

#ctaSuccessMessage .success-icon {
    font-size: 4rem;
    color: #28a745;
    margin-bottom: 20px;
}

#ctaSuccessMessage .success-title {
    font-size: 1.8rem;
    font-weight: 700;
    color: var(--color-black);
    margin-bottom: 16px;
}

#ctaSuccessMessage .success-text {
    font-size: 1rem;
    color: var(--color-dark-gray);
    line-height: 1.6;
    margin-bottom: 24px;
}

#ctaSuccessMessage .success-countdown {
    font-size: 0.9rem;
    color: var(--color-gray);
}

#ctaSuccessMessage .success-countdown span {
    font-weight: 600;
    color: var(--color-red);
}

.cta-buttons {
    display: flex;
    justify-content: center;
    gap: 16px;
    margin-bottom: 24px;
    flex-wrap: wrap;
}

.cta-info {
    color: var(--color-gray);
    font-size: 0.9rem;
}

.cta-info i {
    color: var(--color-red);
    margin-right: 8px;
}

/* Responsive */
@media (max-width: 768px) {
    .cta-form-card {
        padding: 30px 20px;
    }
    
    .cta-form .form-row {
        grid-template-columns: 1fr;
        gap: 0;
    }
}

/* ==========================================
   Footer
   ========================================== */
.footer {
    background: var(--color-black);
    padding: 60px 0 30px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-main {
    display: flex;
    justify-content: space-between;
    margin-bottom: 40px;
}

.footer-logo {
    height: 40px;
    width: auto;
    margin-bottom: 12px;
    filter: brightness(0) invert(1);
}

.footer-tagline {
    font-size: 0.9rem;
    color: var(--color-gray);
    font-family: var(--font-en);
}

.footer-links {
    display: flex;
    gap: 80px;
}

.footer-col h4 {
    font-size: 0.9rem;
    font-weight: 600;
    margin-bottom: 20px;
    color: var(--color-white);
}

.footer-col ul {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.footer-col a {
    font-size: 0.9rem;
    color: var(--color-gray);
}

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

.footer-bottom {
    padding-top: 30px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    text-align: center;
}

.copyright {
    font-size: 0.85rem;
    color: var(--color-dark-gray);
}

.copyright a {
    color: var(--color-gray);
    text-decoration: underline;
    margin-left: 8px;
}

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

/* ==========================================
   Back to Top
   ========================================== */
.back-to-top {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 50px;
    height: 50px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--color-red);
    border-radius: 50%;
    color: var(--color-white);
    opacity: 0;
    visibility: hidden;
    transition: var(--transition-normal);
    z-index: 999;
}

.back-to-top.visible {
    opacity: 1;
    visibility: visible;
}

.back-to-top:hover {
    background: var(--color-red-dark);
    transform: translateY(-4px);
}

/* ==========================================
   Responsive Design
   ========================================== */
@media (max-width: 1024px) {
    .hero-grid {
        grid-template-columns: 1fr;
        gap: 48px;
    }
    
    .hero-left {
        text-align: center;
        align-items: center;
    }
    
    .hero-visual {
        justify-content: center;
        width: 100%;
        margin: 0 auto;
    }
    
    .hero-image {
        max-width: 400px;
        margin: 0 auto;
    }
    
    .hero-right {
        max-width: 480px;
        margin: 0 auto;
    }
    
    .waves {
        height: 60px;
        min-height: 60px;
    }
    
    .services-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .pricing-card.featured {
        transform: scale(1);
    }
    
    .pricing-card.featured:hover {
        transform: translateY(-8px);
    }
}

@media (max-width: 768px) {
    :root {
        --section-padding: 60px;
    }
    
    .sp-only {
        display: inline;
    }
    
    /* Header */
    .nav {
        position: fixed;
        top: 80px;
        left: 0;
        right: 0;
        background: rgba(255, 255, 255, 0.98);
        padding: 20px;
        transform: translateY(-100%);
        opacity: 0;
        visibility: hidden;
        transition: var(--transition-normal);
        border-bottom: 1px solid var(--color-border);
    }
    
    .nav.active {
        transform: translateY(0);
        opacity: 1;
        visibility: visible;
    }
    
    .nav-list {
        flex-direction: column;
        gap: 0;
    }
    
    .nav-link {
        display: block;
        padding: 16px 0;
        border-bottom: 1px solid var(--color-border);
    }
    
    .header-cta {
        display: none;
    }
    
    .hamburger {
        display: flex;
    }
    
    .hamburger.active span:nth-child(1) {
        transform: rotate(45deg) translate(6px, 6px);
    }
    
    .hamburger.active span:nth-child(2) {
        opacity: 0;
    }
    
    .hamburger.active span:nth-child(3) {
        transform: rotate(-45deg) translate(6px, -6px);
    }
    
    /* Hero */
    .hero {
        min-height: auto;
        padding: 100px 0 60px;
    }
    
    .waves {
        height: 40px;
        min-height: 40px;
    }
    
    .hero-title {
        font-size: 1.75rem;
    }
    
    .hero-subtitle {
        font-size: 0.95rem;
    }
    
    .hero-image {
        max-width: 300px;
        margin: 0 auto;
        display: block;
    }
    
    .hero-form-card {
        padding: 32px 24px;
    }
    
    .form-title {
        font-size: 1.25rem;
    }
    
    /* Problems */
    .problems-grid {
        grid-template-columns: 1fr;
    }
    
    /* Features */
    .feature-item {
        flex-direction: column;
        gap: 24px;
        padding: 32px 24px;
    }
    
    .feature-number {
        font-size: 3rem;
        min-width: auto;
    }
    
    /* Services */
    .services-grid {
        grid-template-columns: 1fr;
    }
    
    /* Roadmap */
    .roadmap-timeline::before {
        left: 20px;
    }
    
    .roadmap-item {
        flex-direction: column;
        gap: 20px;
        padding-left: 50px;
    }
    
    .roadmap-step {
        width: auto;
        text-align: left;
        padding-right: 0;
    }
    
    .roadmap-step::after {
        right: auto;
        left: -38px;
    }
    
    .roadmap-output ul {
        flex-direction: column;
        gap: 8px;
    }
    
    /* Pricing */
    .pricing-grid {
        grid-template-columns: 1fr;
    }
    
    /* Company */
    .company-content {
        grid-template-columns: 1fr;
        gap: 24px;
    }
    
    .company-message,
    .company-info {
        padding: 32px 24px;
    }
    
    /* CTA */
    .cta-title {
        font-size: 1.5rem;
    }
    
    /* Footer */
    .footer-main {
        flex-direction: column;
        gap: 40px;
    }
    
    .footer-links {
        gap: 40px;
    }
    
    .back-to-top {
        bottom: 20px;
        right: 20px;
        width: 44px;
        height: 44px;
    }
}

@media (max-width: 480px) {
    .section-title {
        font-size: 1.75rem;
    }
    
    .hero-title {
        font-size: 1.75rem;
    }
    
    .btn-lg {
        padding: 14px 24px;
        font-size: 0.9rem;
    }
    
    .feature-title {
        font-size: 1.25rem;
    }
    
    .pricing-card {
        padding: 32px 20px;
    }
    
    .price-amount {
        font-size: 2.5rem;
    }
}