/* ==========================================================================
   트레이스토리지 커넥트 랜딩 페이지 - B안 (아웃라인 + 클린 스타일)
   ========================================================================== */

/* Root Variables */
:root {
    /* Colors */
    --color-navy-dark: #1a2332;
    --color-navy: #2c4a6b;
    --color-navy-light: #3d5a7c;
    --color-accent: #4a90e2;
    --color-accent-light: #6ba3e8;
    --color-white: #ffffff;
    --color-gray-light: #f8f9fa;
    --color-gray: #6c757d;
    --color-gray-dark: #343a40;
    --color-border: #dee2e6;
    --color-border-dark: #495057;
    
    /* NEW: Callout Colors - RED */
    --color-callout-bg: #fff5f5;
    --color-callout-border: #e53e3e;
    --color-callout-text: #742a2a;
    --color-callout-icon: #e53e3e;
    
    /* CTA Button Colors - RED */
    --color-red: #e63946;
    --color-red-light: #f25c67;
    --color-red-dark: #d62828;
    
    /* Purple Colors */
    --color-purple: #764ba2;
    --color-purple-light: #8e5fb8;
    --color-purple-dark: #5f3a82;
    
    /* Typography */
    --font-primary: 'Noto Sans KR', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    --font-weight-light: 300;
    --font-weight-normal: 400;
    --font-weight-medium: 500;
    --font-weight-semibold: 600;
    --font-weight-bold: 700;
    --font-weight-extrabold: 800;
    
    /* Spacing */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 1.5rem;
    --spacing-lg: 2rem;
    --spacing-xl: 3rem;
    --spacing-2xl: 4rem;
    --spacing-3xl: 6rem;
    
    /* Border Radius */
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 16px;
    --radius-xl: 20px;
    
    /* Shadows */
    --shadow-sm: 0 2px 4px rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 8px rgba(0, 0, 0, 0.08);
    --shadow-lg: 0 8px 16px rgba(0, 0, 0, 0.12);
    --shadow-xl: 0 12px 24px rgba(0, 0, 0, 0.15);
    
    /* Transitions */
    --transition-fast: 0.15s ease;
    --transition-base: 0.3s ease;
    --transition-slow: 0.5s ease;
    
    /* Z-index */
    --z-header: 1000;
    --z-toast: 9999;
}

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

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

body {
    font-family: var(--font-primary);
    font-weight: var(--font-weight-normal);
    line-height: 1.7;
    color: var(--color-navy-dark);
    background: linear-gradient(180deg, #f0f4ff 0%, #ffffff 100%);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    position: relative;
}

body::before {
    content: '';
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image: 
        radial-gradient(circle at 20% 30%, rgba(74, 144, 226, 0.05) 0%, transparent 50%),
        radial-gradient(circle at 80% 70%, rgba(168, 85, 247, 0.05) 0%, transparent 50%);
    pointer-events: none;
    z-index: -1;
}

/* Container */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-lg);
}

/* Section */
.section {
    padding: var(--spacing-3xl) 0;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
    font-weight: var(--font-weight-bold);
    line-height: 1.3;
    color: var(--color-navy-dark);
}

.section-title {
    font-size: 2.5rem;
    font-weight: var(--font-weight-extrabold);
    text-align: center;
    margin-bottom: var(--spacing-2xl);
    color: var(--color-navy-dark);
}

/* ==========================================================================
   Header
   ========================================================================== */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: var(--z-header);
    background: rgba(255, 255, 255, 0.9);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--color-border);
    box-shadow: var(--shadow-sm);
    transition: all var(--transition-base);
}

.header.scrolled {
    background: rgba(255, 255, 255, 0.95);
    box-shadow: var(--shadow-md);
}

.header-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 76px;
}

.logo-link {
    display: inline-block;
    transition: transform var(--transition-base);
}

.logo-link:hover {
    transform: scale(1.05);
}

.logo {
    height: 48px;
    width: auto;
    object-fit: contain;
}

body {
    padding-top: 76px;
}

/* ==========================================================================
   Toast Notification
   ========================================================================== */
.toast {
    position: fixed;
    top: 100px;
    right: var(--spacing-lg);
    z-index: var(--z-toast);
    background: var(--color-navy-dark);
    color: var(--color-white);
    padding: var(--spacing-md) var(--spacing-lg);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-xl);
    opacity: 0;
    transform: translateY(-20px);
    transition: all var(--transition-base);
    pointer-events: none;
}

.toast.show {
    opacity: 1;
    transform: translateY(0);
    pointer-events: auto;
}

/* ==========================================================================
   Buttons (B안 - 아웃라인 스타일)
   ========================================================================== */
.btn-outline-primary,
.btn-outline-secondary,
.btn-outline-accent,
.btn-outline-disabled,
.btn-pdf {
    position: relative;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-xs);
    padding: 18px 36px;
    font-size: 16px;
    font-weight: var(--font-weight-semibold);
    text-decoration: none;
    border-radius: var(--radius-md);
    transition: all var(--transition-base);
    cursor: pointer;
    overflow: visible;
    white-space: nowrap;
    font-family: var(--font-primary);
}

/* Primary Button (솔루션 알아보기) */
.btn-outline-primary {
    background: var(--color-navy);
    border: 2px solid var(--color-navy);
    color: var(--color-white);
}

.btn-outline-primary:hover {
    background: var(--color-navy-light);
    border-color: var(--color-navy-light);
    color: var(--color-white);
    transform: translateY(-3px);
    box-shadow: 0 10px 25px rgba(44, 74, 107, 0.5);
}

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

/* Secondary Button (Purple) */
.btn-outline-secondary {
    background: var(--color-purple);
    border: 2px solid var(--color-purple);
    color: var(--color-white);
}

.btn-outline-secondary:hover {
    background: var(--color-purple-light);
    border-color: var(--color-purple-light);
    color: var(--color-white);
    transform: translateY(-2px);
    box-shadow: 0 6px 16px rgba(118, 75, 162, 0.4);
}

/* Accent Button (무료체험 - RED) */
.btn-outline-accent {
    background: var(--color-red);
    border: 2px solid var(--color-red);
    color: var(--color-white);
}

.btn-outline-accent:hover {
    background: var(--color-red-light);
    border-color: var(--color-red-light);
    color: var(--color-white);
    transform: translateY(-3px);
    box-shadow: 0 10px 25px rgba(230, 57, 70, 0.5);
}

/* Disabled Button */
.btn-outline-disabled {
    background: transparent;
    border: 1.5px solid var(--color-border);
    color: var(--color-gray);
    cursor: not-allowed;
    opacity: 0.6;
}

.btn-outline-disabled:hover {
    transform: none;
}

/* Button Badge */
.btn-badge {
    position: absolute;
    top: -10px;
    right: -10px;
    background: var(--color-accent);
    color: var(--color-white);
    font-size: 11px;
    font-weight: var(--font-weight-bold);
    padding: 4px 10px;
    border-radius: 12px;
    white-space: nowrap;
    box-shadow: 0 2px 8px rgba(74, 144, 226, 0.4);
}

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

/* PDF Button */
.btn-pdf {
    padding: 10px 20px;
    font-size: 14px;
}

/* ==========================================================================
   Section 1: Pain Points (2x2 Grid)
   ========================================================================== */
.section-pain {
    background: linear-gradient(135deg, #fef3f8 0%, #f0f4ff 100%);
    padding-bottom: var(--spacing-xl);
    position: relative;
}

.section-pain::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    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='%234a90e2' 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: 0.4;
    pointer-events: none;
}

.pain-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--spacing-xl);
    max-width: 1000px;
    margin: 0 auto;
}

.pain-card {
    background: var(--color-white);
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-md);
    transition: all var(--transition-base);
    cursor: pointer;
}

.pain-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-xl);
}

.pain-card:hover .pain-image {
    transform: scale(1.1);
}

/* .pain-emoji - REMOVED */

.pain-image-wrapper {
    position: relative;
    width: 100%;
    height: 250px;
    overflow: hidden;
    background: var(--color-gray-light);
}

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

/* .pain-emoji styles - REMOVED */

.pain-title {
    font-size: 1.35rem;
    font-weight: var(--font-weight-bold);
    color: var(--color-navy);
    margin: var(--spacing-lg) var(--spacing-lg) var(--spacing-sm);
    line-height: 1.4;
}

.pain-description {
    font-size: 0.95rem;
    color: var(--color-gray);
    margin: 0 var(--spacing-lg) var(--spacing-lg);
    line-height: 1.6;
}

/* ==========================================================================
   NEW: Risk Callout Section
   ========================================================================== */
.section-callout {
    padding: var(--spacing-lg) 0 var(--spacing-2xl) 0;
    background: linear-gradient(135deg, #fff5f5 0%, #ffe8e8 100%);
    position: relative;
}

.section-callout::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image: repeating-linear-gradient(
        45deg,
        transparent,
        transparent 35px,
        rgba(230, 57, 70, 0.02) 35px,
        rgba(230, 57, 70, 0.02) 70px
    );
    pointer-events: none;
}

.callout-box {
    max-width: 900px;
    margin: 0 auto;
    padding: var(--spacing-2xl) var(--spacing-xl);
    background: linear-gradient(135deg, #e63946 0%, #d62828 100%);
    border: 2px solid #d62828;
    border-radius: var(--radius-xl);
    text-align: center;
    box-shadow: var(--shadow-md);
    transition: all var(--transition-base);
}

.callout-box:hover {
    transform: translateY(-4px);
    box-shadow: 0 10px 30px rgba(230, 57, 70, 0.4);
}

.callout-icon {
    font-size: 3rem;
    color: var(--color-white);
    margin-bottom: var(--spacing-md);
}

.callout-title {
    font-size: 2rem;
    font-weight: var(--font-weight-extrabold);
    color: var(--color-white);
    margin-bottom: var(--spacing-md);
    line-height: 1.4;
}

.callout-description {
    font-size: 1.1rem;
    color: var(--color-white);
    line-height: 1.8;
    opacity: 0.95;
}

/* ==========================================================================
   Section 2: Dark Problem Statement
   ========================================================================== */
.section-dark {
    background: linear-gradient(135deg, var(--color-navy-dark) 0%, var(--color-navy) 100%);
    padding: var(--spacing-3xl) 0;
}

.section-title-dark {
    font-size: 2.5rem;
    font-weight: var(--font-weight-extrabold);
    color: var(--color-white);
    text-align: center;
    line-height: 1.5;
}

.section-title-dark strong {
    color: var(--color-accent-light);
    font-weight: var(--font-weight-extrabold);
}

/* ==========================================================================
   Section 3: Solution
   ========================================================================== */
.section-solution {
    background: linear-gradient(180deg, #ffffff 0%, #f8faff 100%);
    position: relative;
}

.section-solution::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image: 
        radial-gradient(circle at 10% 20%, rgba(0, 114, 255, 0.03) 0%, transparent 40%),
        radial-gradient(circle at 90% 80%, rgba(168, 85, 247, 0.03) 0%, transparent 40%);
    pointer-events: none;
}

.solution-header {
    text-align: center;
    margin-bottom: var(--spacing-3xl);
}

.solution-logo {
    height: 120px;
    width: auto;
    margin-bottom: var(--spacing-xl);
    transition: transform var(--transition-base);
}

.solution-logo:hover {
    transform: scale(1.05);
}

.solution-title {
    font-size: 2.8rem;
    font-weight: var(--font-weight-extrabold);
    color: var(--color-navy-dark);
    margin-bottom: var(--spacing-md);
    line-height: 1.3;
}

.solution-subtitle {
    font-size: 1.4rem;
    color: var(--color-accent);
    font-weight: var(--font-weight-semibold);
}

/* Feature Cards */
.feature-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-xl);
    margin-bottom: var(--spacing-3xl);
}

.feature-card {
    background: var(--color-white);
    border: 2px solid transparent;
    border-radius: var(--radius-lg);
    padding: var(--spacing-xl);
    text-align: center;
    transition: all var(--transition-base);
    position: relative;
    overflow: hidden;
}

/* Card 1: Blue (사용자 직접 설계) */
.feature-card:nth-child(1) {
    background: #0072ff;
}

.feature-card:nth-child(1) .feature-icon {
    color: var(--color-white);
}

.feature-card:nth-child(1) .feature-title {
    color: var(--color-white);
}

.feature-card:nth-child(1) .feature-description {
    color: rgba(255, 255, 255, 0.95);
}

.feature-card:nth-child(1):hover {
    transform: translateY(-8px) scale(1.02);
    box-shadow: 0 15px 40px rgba(0, 114, 255, 0.5);
}

/* Card 2: Purple (AI 에이전트) */
.feature-card:nth-child(2) {
    background: #a855f7;
}

.feature-card:nth-child(2) .feature-icon {
    color: var(--color-white);
}

.feature-card:nth-child(2) .feature-title {
    color: var(--color-white);
}

.feature-card:nth-child(2) .feature-description {
    color: rgba(255, 255, 255, 0.95);
}

.feature-card:nth-child(2):hover {
    transform: translateY(-8px) scale(1.02);
    box-shadow: 0 15px 40px rgba(168, 85, 247, 0.5);
}

/* Card 3: Orange (종이문서 연동) */
.feature-card:nth-child(3) {
    background: #f97316;
}

.feature-card:nth-child(3) .feature-icon {
    color: var(--color-white);
}

.feature-card:nth-child(3) .feature-title {
    color: var(--color-white);
}

.feature-card:nth-child(3) .feature-description {
    color: rgba(255, 255, 255, 0.95);
}

.feature-card:nth-child(3):hover {
    transform: translateY(-8px) scale(1.02);
    box-shadow: 0 15px 40px rgba(249, 115, 22, 0.5);
}

.feature-icon {
    font-size: 3rem;
    margin-bottom: var(--spacing-lg);
    transition: all var(--transition-base);
}

.feature-card:hover .feature-icon {
    transform: scale(1.15) rotate(5deg);
}

.feature-title {
    font-size: 1.25rem;
    font-weight: var(--font-weight-bold);
    margin-bottom: var(--spacing-sm);
}

.feature-description {
    font-size: 0.95rem;
    line-height: 1.6;
}

/* AI Pipeline */
.ai-pipeline {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    padding: var(--spacing-2xl) var(--spacing-xl);
    border-radius: var(--radius-xl);
    color: var(--color-white);
}

.pipeline-title {
    font-size: 3rem;
    font-weight: var(--font-weight-extrabold);
    color: var(--color-white);
    text-align: center;
    margin-bottom: var(--spacing-md);
}

.pipeline-notice {
    font-size: 1.5rem;
    font-weight: var(--font-weight-normal);
    opacity: 0.8;
}

.pipeline-subtitle {
    font-size: 1.3rem;
    color: rgba(255, 255, 255, 0.9);
    text-align: center;
    margin-bottom: var(--spacing-2xl);
    font-weight: var(--font-weight-medium);
}

.pipeline-steps {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-xl);
}

.pipeline-step {
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: var(--radius-lg);
    padding: var(--spacing-lg);
    transition: all var(--transition-base);
    position: relative;
}

.pipeline-step:hover {
    background: rgba(255, 255, 255, 0.15);
    transform: translateY(-8px);
    box-shadow: 0 12px 24px rgba(0, 0, 0, 0.2);
}

.step-badge {
    position: absolute;
    top: -15px;
    left: 50%;
    transform: translateX(-50%);
    background: linear-gradient(135deg, #f093fb 0%, #f5576c 100%);
    color: var(--color-white);
    width: 50px;
    height: 50px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    font-weight: var(--font-weight-extrabold);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.3);
}

.step-image-wrapper {
    width: 100%;
    height: 150px;
    border-radius: var(--radius-md);
    overflow: hidden;
    margin-bottom: var(--spacing-md);
    background: rgba(255, 255, 255, 0.1);
}

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

.pipeline-step:hover .step-image {
    transform: scale(1.1);
}

.step-title {
    font-size: 1.5rem;
    font-weight: var(--font-weight-extrabold);
    color: var(--color-white);
    margin-bottom: var(--spacing-sm);
}

.step-description {
    font-size: 0.95rem;
    color: rgba(255, 255, 255, 0.85);
    line-height: 1.6;
}

/* Step chips - REMOVED */

/* Solution Overview Image */
.solution-overview-image {
    margin-top: var(--spacing-3xl);
    text-align: center;
}

.overview-image {
    width: 100%;
    max-width: 100%;
    height: auto;
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-2xl);
    transition: transform var(--transition-base);
}

.overview-image:hover {
    transform: scale(1.02);
}

/* OLD: Solution Description - REMOVED */

/* ==========================================================================
   Section 4: CTA
   ========================================================================== */
.section-cta {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    text-align: center;
    padding: var(--spacing-3xl) 0;
    position: relative;
    overflow: hidden;
}

.section-cta::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image: 
        radial-gradient(circle at 30% 50%, rgba(255, 255, 255, 0.1) 0%, transparent 30%),
        radial-gradient(circle at 70% 50%, rgba(255, 255, 255, 0.08) 0%, transparent 30%);
    pointer-events: none;
}

.section-cta::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(to right, var(--color-accent), var(--color-accent-light));
}

.cta-title {
    font-size: 3rem;
    font-weight: var(--font-weight-extrabold);
    color: var(--color-white);
    position: relative;
    z-index: 1;
    margin-bottom: var(--spacing-lg);
    position: relative;
    display: inline-block;
}

.cta-title::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 50%;
    transform: translateX(-50%);
    width: 60px;
    height: 4px;
    background: linear-gradient(to right, var(--color-accent), var(--color-accent-light));
    border-radius: 2px;
}

.cta-subtitle {
    font-size: 1.3rem;
    color: rgba(255, 255, 255, 0.95);
    margin-bottom: var(--spacing-3xl);
    font-weight: var(--font-weight-medium);
    position: relative;
    z-index: 1;
}

.cta-buttons {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: var(--spacing-xl);
    flex-wrap: wrap;
    margin-bottom: var(--spacing-3xl);
    padding: 0 var(--spacing-lg);
    position: relative;
    z-index: 1;
}

.cta-features {
    display: flex;
    justify-content: center;
    gap: var(--spacing-xl);
    flex-wrap: wrap;
}

.cta-feature {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    color: rgba(255, 255, 255, 0.95);
    font-size: 1.15rem;
    font-weight: var(--font-weight-medium);
    position: relative;
    z-index: 1;
}

.cta-feature i {
    color: rgba(255, 255, 255, 0.9);
    font-size: 1.3rem;
}

/* ==========================================================================
   Section 5: Contact
   ========================================================================== */
.section-contact {
    background: var(--color-navy-dark);
    text-align: center;
}

.contact-title {
    font-size: 2rem;
    font-weight: var(--font-weight-bold);
    color: var(--color-white);
    margin-bottom: var(--spacing-lg);
}

.contact-email {
    margin: 0;
}

/* ==========================================================================
   Footer
   ========================================================================== */
.footer {
    background: var(--color-navy-dark);
    color: rgba(255, 255, 255, 0.7);
    text-align: center;
    padding: var(--spacing-xl) 0;
    font-size: 0.9rem;
}

/* ==========================================================================
   Animations
   ========================================================================== */
[data-aos] {
    opacity: 0;
    transition: opacity 0.6s ease, transform 0.6s ease;
}

[data-aos].aos-animate {
    opacity: 1;
}

[data-aos="fade-up"] {
    transform: translateY(30px);
}

[data-aos="fade-up"].aos-animate {
    transform: translateY(0);
}

[data-aos="zoom-in"] {
    transform: scale(0.9);
}

[data-aos="zoom-in"].aos-animate {
    transform: scale(1);
}

/* ==========================================================================
   Responsive Design
   ========================================================================== */

/* Tablet (768px ~ 1024px) */
@media (max-width: 1024px) {
    .section-title {
        font-size: 2rem;
    }
    
    .pain-grid {
        gap: var(--spacing-lg);
    }
    
    .feature-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .pipeline-steps {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .solution-logo {
        height: 100px;
    }
    
    .solution-title {
        font-size: 2.2rem;
    }
    
    .pipeline-title {
        font-size: 2.5rem;
    }
}

/* Mobile (≤768px) */
@media (max-width: 768px) {
    html {
        font-size: 14px;
    }
    
    .container {
        padding: 0 var(--spacing-md);
    }
    
    .section {
        padding: var(--spacing-2xl) 0;
    }
    
    .header-content {
        height: 64px;
    }
    
    .logo {
        height: 36px;
    }
    
    body {
        padding-top: 64px;
    }
    
    .btn-pdf span {
        display: none;
    }
    
    .section-title {
        font-size: 1.75rem;
        margin-bottom: var(--spacing-xl);
    }
    
    /* Pain Points: 1 column on mobile */
    .pain-grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-lg);
    }
    
    .pain-image-wrapper {
        height: 200px;
    }
    
    /* Callout */
    .callout-box {
        padding: var(--spacing-xl) var(--spacing-lg);
    }
    
    .callout-title {
        font-size: 1.5rem;
    }
    
    .callout-description {
        font-size: 1rem;
    }
    
    /* Dark Section */
    .section-title-dark {
        font-size: 1.75rem;
    }
    
    /* Solution */
    .solution-logo {
        height: 80px;
    }
    
    .solution-title {
        font-size: 1.75rem;
    }
    
    .solution-subtitle {
        font-size: 1.1rem;
    }
    
    .feature-grid {
        grid-template-columns: 1fr;
    }
    
    /* Solution Overview Image */
    .solution-overview-image {
        margin-top: var(--spacing-2xl);
    }
    
    .overview-image {
        border-radius: var(--radius-md);
    }
    
    .pipeline-title {
        font-size: 2rem;
    }
    
    .pipeline-subtitle {
        font-size: 1.1rem;
    }
    
    .pipeline-steps {
        grid-template-columns: 1fr;
    }
    
    .step-image-wrapper {
        height: 150px;
    }
    
    /* CTA */
    .cta-title {
        font-size: 2rem;
    }
    
    .cta-title::after {
        width: 40px;
        height: 3px;
    }
    
    .cta-subtitle {
        font-size: 1.05rem;
    }
    
    .cta-buttons {
        flex-direction: column;
        align-items: stretch;
        gap: var(--spacing-lg);
    }
    
    .cta-buttons .btn-outline-primary,
    .cta-buttons .btn-outline-secondary,
    .cta-buttons .btn-outline-disabled {
        width: 100%;
        max-width: 400px;
        margin: 0 auto;
    }
    
    .cta-features {
        flex-direction: column;
        gap: var(--spacing-sm);
    }
    
    /* Contact */
    .contact-title {
        font-size: 1.5rem;
    }
}

/* Small Mobile (≤480px) */
@media (max-width: 480px) {
    .pain-image-wrapper {
        height: 180px;
    }
    
    .pain-title {
        font-size: 1.1rem;
    }
    
    .pain-description {
        font-size: 0.85rem;
    }
    
    .callout-icon {
        font-size: 2.5rem;
    }
    
    .callout-title {
        font-size: 1.3rem;
    }
    
    .callout-description {
        font-size: 0.95rem;
    }
    
    .step-badge {
        width: 40px;
        height: 40px;
        font-size: 1.2rem;
        top: -10px;
        left: var(--spacing-md);
    }
}

/* ==========================================================================
   Print Styles
   ========================================================================== */
@media print {
    .header,
    .btn-pdf,
    .cta-buttons,
    .toast {
        display: none !important;
    }
    
    body {
        padding-top: 0;
    }
    
    .section {
        page-break-inside: avoid;
    }
    
    .pain-card,
    .feature-card,
    .pipeline-step {
        page-break-inside: avoid;
    }
    
    * {
        color-adjust: exact;
        -webkit-print-color-adjust: exact;
        print-color-adjust: exact;
    }
}

/* ==========================================================================
   Accessibility
   ========================================================================== */
@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
        scroll-behavior: auto !important;
    }
}

:focus-visible {
    outline: 2px solid var(--color-accent);
    outline-offset: 2px;
}

/* Screen Reader Only */
.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;
}