/* ===========================
   CSS Custom Properties
   =========================== */
:root {
    /* Colors */
    --primary-color: #2563eb;
    --primary-dark: #1e40af;
    --primary-light: #3b82f6;
    --secondary-color: #f59e0b;
    --accent-color: #22c55e;

    --text-primary: #1e293b;
    --text-secondary: #475569;
    --text-muted: #64748b;

    --bg-primary: #ffffff;
    --bg-secondary: #f8fafc;
    --bg-tertiary: #f1f5f9;

    --border-color: #e2e8f0;
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1);

    /* Typography */
    --font-primary: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    --font-heading: 'Manrope', var(--font-primary);

    /* Spacing */
    --container-width: 1200px;
    --section-padding: 5rem;
    --section-padding-mobile: 3rem;

    /* Border Radius */
    --radius-sm: 0.375rem;
    --radius-md: 0.5rem;
    --radius-lg: 0.75rem;
    --radius-xl: 1rem;

    /* Transitions */
    --transition-fast: 150ms ease;
    --transition-base: 250ms ease;
    --transition-slow: 350ms ease;
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-primary);
    color: var(--text-primary);
    line-height: 1.6;
    background-color: var(--bg-primary);
    overflow-x: hidden;
}

.container {
    max-width: var(--container-width);
    margin: 0 auto;
    padding: 0 2rem;
}

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

/* ===========================
   Typography
   =========================== */
h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-heading);
    line-height: 1.2;
    color: var(--text-primary);
    font-weight: 700;
}

h1 { font-size: 3.5rem; }
h2 { font-size: 2.5rem; }
h3 { font-size: 1.5rem; }

p {
    color: var(--text-secondary);
    line-height: 1.7;
}

/* ===========================
   Header
   =========================== */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background-color: var(--bg-primary);
    border-bottom: 1px solid transparent;
    transition: all var(--transition-base);
}

.header.scrolled {
    background-color: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    border-bottom-color: var(--border-color);
    box-shadow: var(--shadow-sm);
}

.header-content {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 1.25rem 0;
}

.logo {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.logo-icon {
    width: 40px;
    height: 40px;
}

.logo-text {
    font-family: var(--font-heading);
    font-size: 1.25rem;
    font-weight: 800;
    color: var(--primary-color);
}

/* ===========================
   Hero Section
   =========================== */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding-top: 5rem;
    overflow: hidden;
    background: linear-gradient(135deg, #f8fafc 0%, #e0f2fe 100%);
}

.hero-content {
    position: relative;
    z-index: 2;
    text-align: center;
    max-width: 900px;
    margin: 0 auto;
}

.hero-title {
    font-size: 4rem;
    font-weight: 800;
    margin-bottom: 1.5rem;
    background: linear-gradient(135deg, var(--primary-dark) 0%, var(--primary-light) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-subtitle {
    font-size: 1.375rem;
    color: var(--text-secondary);
    margin-bottom: 3rem;
    line-height: 1.7;
}

.hero-stats {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 3rem;
    margin-top: 4rem;
}

.stat-item {
    text-align: center;
}

.stat-number {
    font-size: 3.5rem;
    font-weight: 800;
    color: var(--primary-color);
    font-family: var(--font-heading);
    margin-bottom: 0.5rem;
}

.stat-label {
    font-size: 0.875rem;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    font-weight: 600;
}

.hero-background {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: 1;
    overflow: hidden;
}

.hero-shape {
    position: absolute;
    border-radius: 50%;
    opacity: 0.1;
    background: var(--primary-color);
}

.hero-shape.shape-1 {
    width: 500px;
    height: 500px;
    top: -250px;
    right: -150px;
    animation: float 20s ease-in-out infinite;
}

.hero-shape.shape-2 {
    width: 400px;
    height: 400px;
    bottom: -200px;
    left: -100px;
    animation: float 25s ease-in-out infinite reverse;
}

.hero-shape.shape-3 {
    width: 300px;
    height: 300px;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    animation: float 30s ease-in-out infinite;
}

@keyframes float {
    0%, 100% { transform: translate(0, 0) scale(1); }
    50% { transform: translate(30px, -30px) scale(1.1); }
}

/* ===========================
   Section Headers
   =========================== */
.section-header {
    text-align: center;
    max-width: 700px;
    margin: 0 auto 4rem;
}

.section-tag {
    display: inline-block;
    padding: 0.5rem 1rem;
    background-color: rgba(37, 99, 235, 0.1);
    color: var(--primary-color);
    border-radius: var(--radius-lg);
    font-size: 0.875rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: 1rem;
}

.section-title {
    margin-bottom: 1rem;
}

.section-description {
    font-size: 1.125rem;
    color: var(--text-secondary);
}

/* ===========================
   Problem Section
   =========================== */
.problem-section {
    background-color: var(--bg-secondary);
}

.problem-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

.problem-card {
    background-color: var(--bg-primary);
    padding: 2.5rem;
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-md);
    transition: all var(--transition-base);
}

.problem-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-xl);
}

.problem-icon {
    width: 60px;
    height: 60px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--primary-light), var(--primary-dark));
    border-radius: var(--radius-lg);
    color: white;
    margin-bottom: 1.5rem;
}

.problem-icon svg {
    width: 32px;
    height: 32px;
}

.problem-card h3 {
    margin-bottom: 1rem;
    color: var(--text-primary);
}

.problem-card p {
    color: var(--text-secondary);
    line-height: 1.7;
}

/* ===========================
   Reform Section
   =========================== */
.reform-section {
    background-color: var(--bg-primary);
}

.reform-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
    margin-top: 3rem;
}

.reform-visual {
    display: flex;
    justify-content: center;
    align-items: center;
}

.reform-visual svg {
    width: 100%;
    max-width: 400px;
    height: auto;
}

.reform-list {
    display: flex;
    flex-direction: column;
    gap: 2rem;
}

.reform-item {
    display: flex;
    gap: 1.5rem;
    align-items: flex-start;
}

.reform-number {
    flex-shrink: 0;
    width: 50px;
    height: 50px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--primary-light), var(--primary-dark));
    color: white;
    border-radius: var(--radius-lg);
    font-weight: 700;
    font-size: 1.125rem;
    font-family: var(--font-heading);
}

.reform-text h3 {
    margin-bottom: 0.5rem;
    color: var(--text-primary);
}

.reform-text p {
    color: var(--text-secondary);
    line-height: 1.7;
}

/* ===========================
   Benefits Section
   =========================== */
.benefits-section {
    background-color: var(--bg-secondary);
}

.benefits-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 2rem;
}

.benefit-card {
    background-color: var(--bg-primary);
    padding: 2rem;
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-md);
    transition: all var(--transition-base);
    border: 2px solid transparent;
}

.benefit-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-xl);
    border-color: var(--primary-light);
}

.benefit-icon {
    width: 50px;
    height: 50px;
    display: flex;
    align-items: center;
    justify-content: center;
    background-color: rgba(37, 99, 235, 0.1);
    border-radius: var(--radius-lg);
    color: var(--primary-color);
    margin-bottom: 1.5rem;
}

.benefit-icon svg {
    width: 28px;
    height: 28px;
}

.benefit-card h3 {
    margin-bottom: 0.75rem;
    font-size: 1.25rem;
}

.benefit-card p {
    color: var(--text-secondary);
    font-size: 0.9375rem;
    line-height: 1.7;
}

/* ===========================
   Process Section
   =========================== */
.process-section {
    background-color: var(--bg-primary);
}

.process-timeline {
    max-width: 800px;
    margin: 3rem auto 0;
}

.timeline-item {
    display: flex;
    gap: 2rem;
    position: relative;
    padding-bottom: 3rem;
}

.timeline-item:last-child {
    padding-bottom: 0;
}

.timeline-marker {
    flex-shrink: 0;
    display: flex;
    flex-direction: column;
    align-items: center;
}

.timeline-icon {
    width: 60px;
    height: 60px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--primary-light), var(--primary-dark));
    color: white;
    border-radius: 50%;
    font-weight: 700;
    font-size: 1.5rem;
    font-family: var(--font-heading);
    box-shadow: 0 0 0 8px rgba(37, 99, 235, 0.1);
}

.timeline-line {
    width: 2px;
    flex-grow: 1;
    background: linear-gradient(to bottom, var(--primary-light), transparent);
    margin-top: 1rem;
}

.timeline-item:last-child .timeline-line {
    display: none;
}

.timeline-content {
    flex-grow: 1;
    padding-top: 0.5rem;
}

.timeline-content h3 {
    margin-bottom: 0.75rem;
    color: var(--text-primary);
}

.timeline-content p {
    color: var(--text-secondary);
    line-height: 1.7;
}

/* ===========================
   Trust Section
   =========================== */
.trust-section {
    background-color: var(--bg-secondary);
}

.trust-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 3rem;
    margin-top: 3rem;
}

.trust-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    gap: 1rem;
}

.trust-item svg {
    width: 100px;
    height: 100px;
    transition: transform var(--transition-base);
}

.trust-item:hover svg {
    transform: scale(1.1);
}

.trust-item p {
    font-weight: 600;
    color: var(--text-primary);
    font-size: 0.9375rem;
}

/* ===========================
   Testimonials Section
   =========================== */
.testimonials-section {
    background-color: var(--bg-primary);
}

.testimonials-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 2rem;
}

.testimonial-card {
    background-color: var(--bg-secondary);
    padding: 2.5rem;
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-md);
    transition: all var(--transition-base);
}

.testimonial-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-xl);
}

.testimonial-quote {
    width: 50px;
    height: 50px;
    display: flex;
    align-items: center;
    justify-content: center;
    background-color: rgba(37, 99, 235, 0.1);
    border-radius: var(--radius-lg);
    color: var(--primary-color);
    margin-bottom: 1.5rem;
}

.testimonial-quote svg {
    width: 24px;
    height: 24px;
}

.testimonial-text {
    color: var(--text-primary);
    font-size: 1rem;
    line-height: 1.7;
    margin-bottom: 2rem;
    font-style: italic;
}

.testimonial-author {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.author-avatar {
    flex-shrink: 0;
}

.author-avatar svg {
    width: 50px;
    height: 50px;
    border-radius: 50%;
}

.author-name {
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 0.25rem;
}

.author-title {
    font-size: 0.875rem;
    color: var(--text-muted);
}

/* ===========================
   Footer
   =========================== */
.footer {
    background-color: var(--text-primary);
    color: white;
    padding: 3rem 0;
}

.footer-content {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 1.5rem;
    text-align: center;
}

.footer-logo {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.footer-logo span {
    font-family: var(--font-heading);
    font-size: 1.25rem;
    font-weight: 800;
    color: white;
}

.footer-tagline p {
    color: rgba(255, 255, 255, 0.7);
    font-size: 0.9375rem;
}

.footer-copyright p {
    color: rgba(255, 255, 255, 0.5);
    font-size: 0.875rem;
}

/* ===========================
   Animation Classes
   =========================== */
.fade-in {
    animation: fadeIn 1s ease-out;
}

.fade-in-up {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.6s ease-out, transform 0.6s ease-out;
}

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

.fade-in-left {
    opacity: 0;
    transform: translateX(-30px);
    transition: opacity 0.6s ease-out, transform 0.6s ease-out;
}

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

.fade-in-right {
    opacity: 0;
    transform: translateX(30px);
    transition: opacity 0.6s ease-out, transform 0.6s ease-out;
}

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

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* ===========================
   Responsive Design
   =========================== */
@media (max-width: 1024px) {
    .reform-content {
        grid-template-columns: 1fr;
    }

    .reform-visual {
        order: -1;
    }
}

@media (max-width: 768px) {
    :root {
        --section-padding: var(--section-padding-mobile);
    }

    .container {
        padding: 0 1.5rem;
    }

    .hero-title {
        font-size: 2.5rem;
    }

    .hero-subtitle {
        font-size: 1.125rem;
    }

    .hero-stats {
        grid-template-columns: 1fr;
        gap: 2rem;
    }

    .stat-number {
        font-size: 2.5rem;
    }

    h1 { font-size: 2.5rem; }
    h2 { font-size: 2rem; }
    h3 { font-size: 1.25rem; }

    .problem-grid,
    .benefits-grid,
    .testimonials-grid {
        grid-template-columns: 1fr;
    }

    .reform-content {
        gap: 2rem;
    }

    .timeline-item {
        gap: 1.5rem;
    }

    .timeline-icon {
        width: 50px;
        height: 50px;
        font-size: 1.25rem;
    }

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

@media (max-width: 480px) {
    .container {
        padding: 0 1rem;
    }

    .hero-title {
        font-size: 2rem;
    }

    .hero-subtitle {
        font-size: 1rem;
    }

    .stat-number {
        font-size: 2rem;
    }

    .problem-card,
    .benefit-card,
    .testimonial-card {
        padding: 1.5rem;
    }

    .trust-grid {
        grid-template-columns: 1fr;
    }
}