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

:root {
    --primary: #4A90E2;
    --primary-light: #E8F4FD;
    --secondary: #5FB8A6;
    --text-primary: #1A2332;
    --text-secondary: #5A6B7C;
    --bg-white: #FFFFFF;
    --bg-light: #F8FAFB;
    --border: #E1E8ED;
    --accent-green: #4CAF8C;
}

body {
    font-family: 'DM Sans', -apple-system, BlinkMacSystemFont, sans-serif;
    color: var(--text-primary);
    line-height: 1.6;
    background: var(--bg-white);
    overflow-x: hidden;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
}

.serif-accent {
    font-family: 'Instrument Serif', Georgia, serif;
}

/* Logo */
.logo-container {
    position: fixed;
    top: 32px;
    left: 40px;
    z-index: 1000;
    animation: fadeIn 1s ease-out;
}

.logo-container img {
    height: 90px;
    width: auto;
    filter: drop-shadow(0 2px 8px rgba(0, 0, 0, 0.1));
}

@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

/* Hero Section */
.hero {
    min-height: 100vh;
    height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    background: linear-gradient(135deg, rgba(248, 250, 251, 0.75) 0%, rgba(232, 244, 253, 0.8) 100%), url('bg.jpeg');
    background-size: cover;
    background-position: center;
    background-attachment: fixed;
    overflow: hidden;
    padding: 0;
}

.hero::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -20%;
    width: 800px;
    height: 800px;
    background: radial-gradient(circle, rgba(74, 144, 226, 0.08) 0%, transparent 70%);
    border-radius: 50%;
    animation: pulse 8s ease-in-out infinite;
}

@keyframes pulse {
    0%, 100% { transform: scale(1); opacity: 0.6; }
    50% { transform: scale(1.1); opacity: 0.4; }
}

.hero-content {
    position: relative;
    z-index: 2;
    padding: 0;
    max-width: 880px;
    margin: 0 auto;
    text-align: center;
    animation: fadeInUp 1s ease-out;
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.hero-tag {
    display: inline-block;
    padding: 8px 20px;
    background: var(--bg-white);
    border: 1px solid var(--primary);
    border-radius: 50px;
    color: var(--primary);
    font-size: 13px;
    font-weight: 600;
    letter-spacing: 0.5px;
    text-transform: uppercase;
    margin-bottom: 28px;
    animation: fadeInUp 1s ease-out 0.2s both;
}

.hero h1 {
    font-family: 'Instrument Serif', Georgia, serif;
    font-size: 56px;
    font-weight: 400;
    line-height: 1.15;
    color: var(--text-primary);
    margin-bottom: 24px;
    animation: fadeInUp 1s ease-out 0.3s both;
}

.hero-subtitle {
    font-size: 20px;
    color: var(--text-secondary);
    margin: 0 auto 20px;
    font-weight: 400;
    max-width: 700px;
    animation: fadeInUp 1s ease-out 0.4s both;
}

.hero-description {
    font-size: 17px;
    color: var(--text-secondary);
    max-width: 620px;
    margin: 0 auto 36px;
    line-height: 1.75;
    animation: fadeInUp 1s ease-out 0.5s both;
}

.hero-cta {
    display: flex;
    gap: 16px;
    flex-wrap: wrap;
    justify-content: center;
    animation: fadeInUp 1s ease-out 0.6s both;
}

.btn {
    padding: 16px 32px;
    border-radius: 12px;
    font-size: 16px;
    font-weight: 600;
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    gap: 8px;
    transition: all 0.3s ease;
    border: none;
    cursor: pointer;
}

.btn-primary {
    background: var(--primary);
    color: white;
    box-shadow: 0 4px 16px rgba(74, 144, 226, 0.3);
}

.btn-primary:hover {
    background: #3A7BC8;
    transform: translateY(-2px);
    box-shadow: 0 6px 24px rgba(74, 144, 226, 0.4);
}

.btn-secondary {
    background: var(--bg-white);
    color: var(--text-primary);
    border: 2px solid var(--border);
}

.btn-secondary:hover {
    border-color: var(--primary);
    color: var(--primary);
    transform: translateY(-2px);
}

/* Section Styling */
section {
    padding: 100px 0;
    position: relative;
}

.section-header {
    text-align: center;
    max-width: 800px;
    margin: 0 auto 60px;
}

.section-tag {
    display: inline-block;
    padding: 6px 16px;
    background: var(--primary-light);
    color: var(--primary);
    border-radius: 20px;
    font-size: 13px;
    font-weight: 600;
    letter-spacing: 0.5px;
    text-transform: uppercase;
    margin-bottom: 16px;
}

.section-title {
    font-family: 'Instrument Serif', Georgia, serif;
    font-size: 48px;
    font-weight: 400;
    color: var(--text-primary);
    margin-bottom: 20px;
    line-height: 1.2;
}

.section-description {
    font-size: 18px;
    color: var(--text-secondary);
    line-height: 1.8;
}

/* Video Demo Section */
.vision-section {
    background: var(--bg-white);
    padding: 100px 0;
}

.vision-container,
.mission-container {
    margin-top: 60px;
}

.vision-title,
.mission-title {
    font-family: 'Instrument Serif', Georgia, serif;
    font-size: 36px;
    font-weight: 400;
    color: var(--text-primary);
    text-align: center;
    margin-bottom: 16px;
}

.vision-intro,
.mission-intro {
    text-align: center;
    font-size: 17px;
    color: var(--text-secondary);
    max-width: 700px;
    margin: 0 auto 40px;
    line-height: 1.7;
}

.vision-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 24px;
    margin-bottom: 80px;
}

.vision-card {
    background: var(--bg-light);
    border: 1px solid var(--border);
    border-radius: 16px;
    padding: 32px;
    text-align: center;
    transition: all 0.3s ease;
}

.vision-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 8px 24px rgba(26, 35, 50, 0.1);
    border-color: var(--primary);
}

.vision-letter {
    width: 72px;
    height: 72px;
    background: linear-gradient(135deg, var(--primary) 0%, var(--secondary) 100%);
    color: white;
    border-radius: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 36px;
    font-weight: 700;
    font-family: 'Instrument Serif', Georgia, serif;
    margin: 0 auto 20px;
}

.vision-card h4 {
    font-size: 20px;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 12px;
}

.vision-card p {
    font-size: 15px;
    color: var(--text-secondary);
    line-height: 1.6;
}

.mission-list {
    max-width: 900px;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.mission-item {
    display: flex;
    gap: 24px;
    background: var(--bg-white);
    border: 1px solid var(--border);
    border-radius: 12px;
    padding: 28px;
    transition: all 0.3s ease;
}

.mission-item:hover {
    border-color: var(--primary);
    box-shadow: 0 4px 16px rgba(74, 144, 226, 0.1);
}

.mission-number {
    min-width: 48px;
    height: 48px;
    background: var(--primary-light);
    color: var(--primary);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 24px;
    font-weight: 700;
}

.mission-content h4 {
    font-size: 18px;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 8px;
}

.mission-content p {
    font-size: 15px;
    color: var(--text-secondary);
    line-height: 1.7;
}

/* Video Demo Section */
.video-section {
    background: var(--bg-light);
}

.video-container {
    max-width: 900px;
    margin: 0 auto;
    background: var(--bg-white);
    border-radius: 20px;
    padding: 8px;
    box-shadow: 0 20px 60px rgba(26, 35, 50, 0.1);
}

.video-placeholder {
    width: 100%;
    aspect-ratio: 16 / 9;
    background: #000;
    border-radius: 12px;
    overflow: hidden;
    position: relative;
}

.video-placeholder video {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

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

.demo-feature {
    text-align: center;
    padding: 20px;
}

.demo-feature-icon {
    width: 48px;
    height: 48px;
    background: var(--primary-light);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 16px;
    color: var(--primary);
}

.demo-feature-icon svg {
    width: 24px;
    height: 24px;
}

.demo-feature h4 {
    font-size: 16px;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 8px;
}

.demo-feature p {
    font-size: 14px;
    color: var(--text-secondary);
    line-height: 1.6;
}

/* Problem Cards */
.problem-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 32px;
    margin-top: 60px;
}

.problem-card {
    background: var(--bg-white);
    border: 1px solid var(--border);
    border-radius: 16px;
    padding: 40px 32px;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.problem-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 4px;
    background: linear-gradient(90deg, var(--primary) 0%, var(--secondary) 100%);
    transform: scaleX(0);
    transition: transform 0.3s ease;
}

.problem-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 12px 40px rgba(26, 35, 50, 0.1);
}

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

.problem-icon {
    width: 64px;
    height: 64px;
    background: var(--primary-light);
    border-radius: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 24px;
    color: var(--primary);
}

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

.problem-card h3 {
    font-size: 22px;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 12px;
}

.problem-card p {
    font-size: 16px;
    color: var(--text-secondary);
    line-height: 1.7;
}

/* Solution Section */
.solution-section {
    background: var(--bg-light);
}

.solution-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 80px;
    align-items: center;
    margin-top: 60px;
}

.solution-text h3 {
    font-family: 'Instrument Serif', Georgia, serif;
    font-size: 32px;
    font-weight: 400;
    color: var(--text-primary);
    margin-bottom: 24px;
    line-height: 1.4;
}

.solution-text p {
    font-size: 18px;
    color: var(--text-secondary);
    line-height: 1.8;
    margin-bottom: 32px;
}

.solution-highlight {
    background: var(--primary-light);
    border-left: 4px solid var(--primary);
    padding: 20px 24px;
    border-radius: 8px;
    font-size: 16px;
    color: var(--text-primary);
    line-height: 1.7;
}

.solution-flow {
    display: flex;
    flex-direction: column;
    gap: 24px;
}

.flow-step {
    display: flex;
    align-items: center;
    gap: 20px;
    padding: 24px;
    background: var(--bg-white);
    border-radius: 12px;
    box-shadow: 0 4px 16px rgba(26, 35, 50, 0.06);
    transition: all 0.3s ease;
}

.flow-step:hover {
    transform: translateX(8px);
    box-shadow: 0 6px 24px rgba(26, 35, 50, 0.1);
}

.flow-icon {
    min-width: 48px;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--primary);
}

.flow-icon svg {
    width: 36px;
    height: 36px;
}

.flow-arrow {
    font-size: 24px;
    color: var(--primary);
}

.flow-text {
    font-size: 16px;
    font-weight: 500;
    color: var(--text-primary);
}

/* How It Works */
.steps-container {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 32px;
    margin-top: 60px;
    position: relative;
}

.steps-container::before {
    content: '';
    position: absolute;
    top: 60px;
    left: 10%;
    right: 10%;
    height: 2px;
    background: linear-gradient(90deg, var(--primary) 0%, var(--secondary) 100%);
    z-index: 0;
}

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

.step-number {
    width: 60px;
    height: 60px;
    background: var(--primary);
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 24px;
    font-weight: 700;
    margin: 0 auto 24px;
    box-shadow: 0 4px 16px rgba(74, 144, 226, 0.3);
    position: relative;
    z-index: 2;
}

.step h4 {
    font-size: 18px;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 12px;
}

.step p {
    font-size: 15px;
    color: var(--text-secondary);
    line-height: 1.6;
}

/* Impact Table */
.impact-section {
    background: var(--bg-light);
}

.impact-table {
    max-width: 1000px;
    margin: 60px auto 0;
    background: var(--bg-white);
    border-radius: 16px;
    overflow: hidden;
    box-shadow: 0 8px 32px rgba(26, 35, 50, 0.08);
}

.impact-header {
    display: grid;
    grid-template-columns: 240px 1fr 1fr;
    background: #1A2332;
    color: white;
    font-weight: 700;
    font-size: 15px;
    text-align: center;
}

.impact-header-cell {
    padding: 20px 24px;
}

.impact-header-cell:first-child {
    text-align: left;
}

.impact-row {
    display: grid;
    grid-template-columns: 240px 1fr 1fr;
    border-bottom: 1px solid var(--border);
    align-items: center;
}

.impact-row:last-child {
    border-bottom: none;
}

.impact-cell {
    padding: 28px 24px;
    font-size: 15px;
    line-height: 1.6;
}

.impact-cell.label {
    font-weight: 600;
    color: var(--text-primary);
    border-right: 1px solid var(--border);
}

.impact-cell.before {
    text-align: center;
    color: var(--text-secondary);
}

.impact-cell.after {
    text-align: center;
    color: var(--text-primary);
    font-weight: 600;
}

.impact-highlight {
    color: var(--accent-green);
    font-weight: 700;
}

/* Readiness Section */
.readiness-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
    margin-top: 60px;
}

.readiness-item {
    background: var(--bg-white);
    border: 2px solid var(--accent-green);
    border-radius: 12px;
    padding: 28px 24px;
    display: flex;
    align-items: flex-start;
    gap: 16px;
    transition: all 0.3s ease;
}

.readiness-item:hover {
    transform: translateY(-4px);
    box-shadow: 0 8px 24px rgba(76, 175, 140, 0.2);
}

.check-icon {
    min-width: 28px;
    height: 28px;
    background: var(--accent-green);
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 16px;
    font-weight: bold;
}

.readiness-text {
    font-size: 16px;
    color: var(--text-primary);
    line-height: 1.6;
}

/* MVP Progress */
.mvp-section {
    background: linear-gradient(135deg, #1A2332 0%, #2A3F5F 100%);
    color: white;
}

.mvp-section .section-tag {
    background: rgba(255, 255, 255, 0.1);
    color: white;
}

.mvp-section .section-title {
    color: white;
}

.mvp-section .section-description {
    color: rgba(255, 255, 255, 0.8);
}

.progress-container {
    max-width: 800px;
    margin: 60px auto 0;
}

.progress-item {
    display: flex;
    align-items: center;
    gap: 20px;
    padding: 24px;
    background: rgba(255, 255, 255, 0.05);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 12px;
    margin-bottom: 16px;
    transition: all 0.3s ease;
}

.progress-item:hover {
    background: rgba(255, 255, 255, 0.08);
    transform: translateX(8px);
}

.progress-status {
    min-width: 36px;
    height: 36px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    font-size: 18px;
}

.progress-status.complete {
    background: var(--accent-green);
    color: white;
}

.progress-status.progress {
    background: rgba(255, 193, 7, 0.2);
    color: #FFC107;
}

.progress-text {
    flex: 1;
}

.progress-title {
    font-size: 18px;
    font-weight: 600;
    margin-bottom: 4px;
}

.progress-subtitle {
    font-size: 14px;
    color: rgba(255, 255, 255, 0.6);
}

/* Responsive */
@media (max-width: 968px) {
    .hero h1 {
        font-size: 56px;
    }

    .logo-container {
        top: 24px;
        left: 24px;
    }

    .logo-container img {
        height: 80px;
    }

    .problem-grid,
    .readiness-grid,
    .vision-grid {
        grid-template-columns: 1fr;
    }

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

    .steps-container::before {
        display: none;
    }

    .solution-content {
        grid-template-columns: 1fr;
        gap: 40px;
    }

    .demo-features {
        grid-template-columns: 1fr;
    }

    .impact-header,
    .impact-row {
        grid-template-columns: 1fr;
    }

    .impact-cell.label {
        border-right: none;
        border-bottom: 1px solid var(--border);
        font-size: 16px;
        padding-bottom: 16px;
    }

    .impact-cell.before,
    .impact-cell.after {
        text-align: left;
        padding-top: 16px;
    }

    .impact-header-cell:first-child {
        border-bottom: 1px solid rgba(255, 255, 255, 0.2);
    }
}

@media (max-width: 640px) {
    .hero h1 {
        font-size: 40px;
    }

    .hero-subtitle {
        font-size: 18px;
    }

    .section-title {
        font-size: 36px;
    }

    .hero-cta {
        flex-direction: column;
    }

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

    .steps-container {
        grid-template-columns: 1fr;
    }

    footer > div > div > div {
        flex-direction: column !important;
        text-align: center !important;
    }
}