:root {
    --primary: #1c4e80;
    --primary-light: #e6f0fb;
    --accent: #23a67f;
    --accent-light: #e8f7f2;
    --bg: #ffffff;
    --text: #1c1f23;
    --text-secondary: #374151;
    --muted: #6b7280;
    --card-bg: #ffffff;
    --card-gradient: linear-gradient(135deg, #f8fafc 0%, #ffffff 100%);
    --card-gradient-accent: linear-gradient(135deg, #f0f9ff 0%, #ffffff 100%);
    --border: #e5e7eb;
    --border-light: #f3f4f6;
    --danger: #e53e3e;
    --success: #10b981;
    --warning: #f59e0b;
    --shadow-soft: 0 4px 20px rgba(0, 0, 0, 0.06);
    --shadow-medium: 0 10px 40px rgba(0, 0, 0, 0.08);
    --shadow-hover: 0 20px 60px rgba(0, 0, 0, 0.12);
    --radius-lg: 20px;
    --radius-xl: 28px;
    --radius-2xl: 36px;
}

* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
    font-family: 'Inter', system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

body {
    background: #ffffff;
    color: var(--text);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    width: 100%;
    overflow-x: hidden;
}

a {
    text-decoration: none;
    color: inherit;
    transition: color 0.2s ease;
}

.page {
    max-width: 100%;
    margin: 0;
    padding: 0;
}

/* Header & Navigation */
header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 24px;
    padding: 24px 40px;
    background: #ffffff;
    border-bottom: 1px solid var(--border-light);
    position: sticky;
    top: 0;
    z-index: 100;
    backdrop-filter: blur(10px);
    background: rgba(255, 255, 255, 0.95);
}

.logo {
    display: flex;
    align-items: center;
    gap: 12px;
}

.logo-icon {
    width: 48px;
    height: 48px;
    border-radius: 16px;
    background: linear-gradient(135deg, #1c4e80 0%, #23a67f 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    color: #ffffff;
    font-weight: 700;
    font-size: 20px;
    box-shadow: var(--shadow-soft);
    transition: transform 0.3s ease;
}

.logo:hover .logo-icon {
    transform: rotate(5deg) scale(1.05);
}

.logo-text {
    font-weight: 700;
    font-size: 22px;
    background: linear-gradient(135deg, #1c4e80 0%, #23a67f 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.tagline {
    font-size: 15px;
    color: var(--muted);
    font-weight: 400;
    letter-spacing: -0.01em;
}

nav {
    display: flex;
    gap: 32px;
    font-size: 15px;
    color: var(--muted);
    flex-wrap: wrap;
    justify-content: flex-end;
}

    nav a {
        position: relative;
        padding: 8px 0;
        font-weight: 500;
        transition: color 0.2s ease;
    }

        nav a:hover {
            color: var(--primary);
        }

        nav a::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 0;
            height: 2px;
            background: linear-gradient(90deg, var(--primary), var(--accent));
            transition: width 0.3s ease;
        }

        nav a:hover::after {
            width: 100%;
        }

/* Badge */
.badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 8px 16px;
    border-radius: 999px;
    background: linear-gradient(135deg, rgba(35, 166, 127, 0.1) 0%, rgba(28, 78, 128, 0.1) 100%);
    color: var(--accent);
    font-size: 13px;
    font-weight: 600;
    letter-spacing: 0.04em;
    text-transform: uppercase;
    border: 1px solid rgba(35, 166, 127, 0.2);
    margin-bottom: 16px;
}

.badge-dot {
    width: 8px;
    height: 8px;
    border-radius: 999px;
    background: var(--accent);
    animation: pulse 2s infinite;
}

@keyframes pulse {
    0%, 100% {
        opacity: 1;
    }

    50% {
        opacity: 0.5;
    }
}

/* Hero Section */
.hero-section {
    width: 100%;
    min-height: 85vh;
    background: linear-gradient(135deg, #f8fafc 0%, #f1f5f9 100%);
    position: relative;
    overflow: hidden;
    padding: 80px 40px;
}

    .hero-section::before {
        content: '';
        position: absolute;
        top: 0;
        left: 0;
        right: 0;
        bottom: 0;
        background: radial-gradient(circle at 20% 80%, rgba(28, 78, 128, 0.05) 0%, transparent 50%), radial-gradient(circle at 80% 20%, rgba(35, 166, 127, 0.05) 0%, transparent 50%);
        z-index: 1;
    }

.hero {
    max-width: 1200px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: minmax(0, 1.4fr) minmax(0, 1fr);
    gap: 60px;
    align-items: center;
    position: relative;
    z-index: 2;
}

.hero-content {
    position: relative;
}

.hero h1 {
    font-size: clamp(42px, 4vw, 52px);
    line-height: 1.1;
    margin: 20px 0 24px;
    font-weight: 800;
    letter-spacing: -0.02em;
    color: #111827;
    background: linear-gradient(135deg, #1c4e80 0%, #23a67f 50%, #4f46e5 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero p {
    font-size: 20px;
    color: var(--text-secondary);
    max-width: 700px;
    line-height: 1.7;
    margin-bottom: 12px;
}

.hero-actions {
    margin-top: 40px;
    display: flex;
    flex-wrap: wrap;
    gap: 20px;
    align-items: center;
}

.btn {
    border-radius: 999px;
    padding: 16px 32px;
    border: none;
    font-size: 16px;
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    gap: 12px;
    font-weight: 600;
    letter-spacing: 0.01em;
    box-shadow: var(--shadow-soft);
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

    .btn::after {
        content: '';
        position: absolute;
        top: 0;
        left: -100%;
        width: 100%;
        height: 100%;
        background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
        transition: left 0.6s ease;
    }

    .btn:hover::after {
        left: 100%;
    }

    .btn:hover {
        transform: translateY(-3px);
        box-shadow: var(--shadow-hover);
    }

.btn-primary {
    background: linear-gradient(135deg, var(--primary) 0%, #4f46e5 100%);
    color: #ffffff;
}

.btn-outline {
    background: #ffffff;
    color: var(--primary);
    border: 2px solid rgba(148, 163, 184, 0.4);
    box-shadow: none;
}

    .btn-outline:hover {
        border-color: var(--primary);
        background: var(--primary-light);
    }

.btn-primary span {
    font-size: 20px;
}

.hero-note {
    font-size: 15px;
    color: var(--muted);
    margin-top: 24px;
    padding: 16px 20px;
    background: rgba(255, 255, 255, 0.9);
    border-radius: 16px;
    border-left: 4px solid var(--accent);
    backdrop-filter: blur(10px);
    max-width: 600px;
}

/* Hero Card */
.hero-card {
    background: rgba(255, 255, 255, 0.95);
    border-radius: var(--radius-xl);
    padding: 36px 32px 32px;
    box-shadow: var(--shadow-hover);
    border: 1px solid rgba(148, 163, 184, 0.15);
    backdrop-filter: blur(10px);
    transition: transform 0.3s ease;
    position: relative;
    overflow: hidden;
}

    .hero-card::before {
        content: '';
        position: absolute;
        top: 0;
        left: 0;
        right: 0;
        height: 6px;
        background: linear-gradient(90deg, var(--primary), var(--accent));
    }

    .hero-card:hover {
        transform: translateY(-8px);
    }

.hero-card-title {
    font-size: 16px;
    font-weight: 600;
    color: var(--primary);
    margin-bottom: 16px;
    display: flex;
    align-items: center;
    gap: 10px;
}

    .hero-card-title span {
        font-size: 20px;
    }

.hero-metrics {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 20px;
    margin: 20px 0 24px;
}

.metric {
    background: rgba(255, 255, 255, 0.9);
    border-radius: 18px;
    padding: 20px;
    border: 1px solid rgba(226, 232, 240, 0.9);
    font-size: 15px;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

    .metric::before {
        content: '';
        position: absolute;
        top: 0;
        left: 0;
        width: 4px;
        height: 100%;
        background: linear-gradient(180deg, var(--primary), var(--accent));
    }

    .metric:hover {
        transform: translateY(-3px);
        box-shadow: var(--shadow-medium);
    }

    .metric strong {
        display: block;
        font-size: 24px;
        margin-bottom: 8px;
        color: var(--primary);
        font-weight: 700;
    }

.hero-card-foot {
    font-size: 14px;
    color: var(--muted);
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 16px;
    margin-top: 20px;
    padding-top: 20px;
    border-top: 1px solid var(--border-light);
}

.chip {
    padding: 8px 18px;
    border-radius: 999px;
    background: linear-gradient(135deg, rgba(30, 64, 175, 0.1) 0%, rgba(28, 78, 128, 0.1) 100%);
    font-size: 13px;
    color: #1e3a8a;
    font-weight: 600;
    border: 1px solid rgba(30, 64, 175, 0.2);
}

/* Sections */
.section-container {
    width: 100%;
    padding: 100px 40px;
    position: relative;
}

    .section-container:nth-child(odd) {
        background: #ffffff;
    }

    .section-container:nth-child(even) {
        background: linear-gradient(135deg, #f8fafc 0%, #f1f5f9 100%);
    }

    .section-container:nth-child(2) { /* Features */
        background: linear-gradient(135deg, #f0f9ff 0%, #e0f2fe 100%);
    }

    .section-container:nth-child(3) { /* Tiers */
        background: linear-gradient(135deg, #fefce8 0%, #fef9c3 100%);
    }

    .section-container:nth-child(4) { /* Validation */
        background: linear-gradient(135deg, #f0fdf4 0%, #dcfce7 100%);
    }

    .section-container:nth-child(5) { /* Pricing */
        background: linear-gradient(135deg, #fef7ff 0%, #f3e8ff 100%);
    }

    .section-container:nth-child(6) { /* Contact */
        background: linear-gradient(135deg, #eff6ff 0%, #dbeafe 100%);
    }

    .section-container::before {
        content: '';
        position: absolute;
        top: 0;
        left: 0;
        right: 0;
        height: 1px;
        background: linear-gradient(90deg, transparent, var(--border-light), transparent);
    }

.section {
    max-width: 1200px;
    margin: 0 auto;
    opacity: 0;
    transform: translateY(40px);
    animation: fadeInUp 0.8s ease forwards;
}

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

.section-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-end;
    gap: 24px;
    margin-bottom: 48px;
    flex-wrap: wrap;
    padding-bottom: 24px;
    border-bottom: 2px solid rgba(229, 231, 235, 0.5);
}

.section-title {
    font-size: 36px;
    font-weight: 800;
    color: #111827;
    letter-spacing: -0.02em;
    position: relative;
    display: inline-block;
}

    .section-title::after {
        content: '';
        position: absolute;
        bottom: -12px;
        left: 0;
        width: 60px;
        height: 4px;
        background: linear-gradient(90deg, var(--primary), var(--accent));
        border-radius: 2px;
    }

.section-subtitle {
    font-size: 20px;
    color: var(--text-secondary);
    max-width: 700px;
    line-height: 1.6;
    margin-top: 12px;
}

.pill {
    border-radius: 999px;
    padding: 10px 24px;
    font-size: 14px;
    color: var(--muted);
    border: 2px dashed rgba(148, 163, 184, 0.5);
    background: rgba(255, 255, 255, 0.9);
    font-weight: 600;
    backdrop-filter: blur(10px);
}

/* Features Grid */
.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 32px;
}

.feature-card {
    background: rgba(255, 255, 255, 0.95);
    border-radius: var(--radius-lg);
    padding: 36px;
    border: 1px solid var(--border);
    font-size: 16px;
    box-shadow: var(--shadow-medium);
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
    backdrop-filter: blur(10px);
}

    .feature-card::before {
        content: '';
        position: absolute;
        top: 0;
        left: 0;
        right: 0;
        height: 6px;
        background: linear-gradient(90deg, var(--primary), var(--accent));
    }

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

    .feature-card h3 {
        font-size: 22px;
        margin-bottom: 16px;
        color: #111827;
        font-weight: 700;
    }

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

/* Compare Section */
.compare {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(450px, 1fr));
    gap: 40px;
}

.tier-card {
    background: rgba(255, 255, 255, 0.95);
    border-radius: var(--radius-xl);
    padding: 40px;
    border: 2px solid var(--border);
    box-shadow: var(--shadow-medium);
    position: relative;
    overflow: hidden;
    transition: all 0.3s ease;
    backdrop-filter: blur(10px);
}

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

.tier-label {
    font-size: 14px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--primary);
    margin-bottom: 12px;
}

.tier-name {
    font-size: 32px;
    font-weight: 800;
    margin-bottom: 16px;
    color: #111827;
}

.tier-desc {
    font-size: 18px;
    color: var(--text-secondary);
    margin-bottom: 28px;
    line-height: 1.6;
}

.tier-price {
    font-size: 42px;
    font-weight: 800;
    margin-bottom: 12px;
    color: #111827;
    display: flex;
    align-items: baseline;
    gap: 8px;
}

    .tier-price span {
        font-size: 18px;
        font-weight: 500;
        color: var(--muted);
    }

.tier-upgrade {
    font-size: 16px;
    color: var(--accent);
    margin-bottom: 28px;
    font-weight: 600;
}

.tier-list {
    list-style: none;
    font-size: 16px;
    margin-bottom: 40px;
    color: var(--text-secondary);
}

    .tier-list li {
        display: flex;
        align-items: flex-start;
        gap: 14px;
        margin-bottom: 14px;
        line-height: 1.6;
    }

        .tier-list li::before {
            content: "✓";
            font-size: 16px;
            color: var(--accent);
            font-weight: 700;
            margin-top: 2px;
            flex-shrink: 0;
        }

.tier-tag {
    position: absolute;
    top: 24px;
    right: 24px;
    background: linear-gradient(135deg, var(--accent) 0%, #1c4e80 100%);
    color: white;
    font-size: 14px;
    padding: 8px 20px;
    border-radius: 999px;
    font-weight: 700;
    box-shadow: 0 6px 20px rgba(35, 166, 127, 0.3);
    transform: rotate(5deg);
}

.tier-pro {
    border-color: rgba(35, 166, 127, 0.4);
    background: linear-gradient(135deg, rgba(255, 255, 255, 0.95) 0%, rgba(240, 249, 255, 0.95) 100%);
    box-shadow: 0 20px 60px rgba(16, 185, 129, 0.2);
}

    .tier-pro .btn-primary {
        width: 100%;
        justify-content: center;
        padding: 18px 32px;
        font-size: 18px;
    }

/* Validation Box */
.validation-box {
    background: rgba(255, 255, 255, 0.95);
    border-radius: var(--radius-xl);
    padding: 48px;
    border: 2px solid rgba(30, 64, 175, 0.2);
    font-size: 17px;
    display: grid;
    grid-template-columns: 1.2fr 1fr;
    gap: 60px;
    align-items: center;
    box-shadow: var(--shadow-medium);
    backdrop-filter: blur(10px);
    position: relative;
    overflow: hidden;
}

    .validation-box::before {
        content: '★';
        position: absolute;
        top: -60px;
        right: -60px;
        font-size: 200px;
        color: rgba(30, 64, 175, 0.05);
        z-index: 1;
    }

.validation-content {
    position: relative;
    z-index: 2;
}

.validation-badge {
    display: inline-flex;
    align-items: center;
    gap: 12px;
    padding: 10px 24px;
    border-radius: 999px;
    background: linear-gradient(135deg, rgba(30, 64, 175, 0.15) 0%, rgba(28, 78, 128, 0.15) 100%);
    color: #1e3a8a;
    font-size: 15px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    margin-bottom: 24px;
    border: 1px solid rgba(30, 64, 175, 0.3);
}

    .validation-badge span {
        font-size: 20px;
    }

.validation-text {
    color: var(--text-secondary);
    font-size: 19px;
    line-height: 1.7;
    margin-bottom: 28px;
}

.validation-keypoints {
    list-style: none;
    font-size: 17px;
    color: var(--text-secondary);
    position: relative;
    z-index: 2;
}

    .validation-keypoints li {
        margin-bottom: 16px;
        display: flex;
        gap: 14px;
        align-items: flex-start;
        line-height: 1.6;
    }

        .validation-keypoints li::before {
            content: "✓";
            font-size: 18px;
            color: var(--accent);
            font-weight: 700;
            margin-top: 2px;
            flex-shrink: 0;
        }

/* Pilot Box */
.pilot-box {
    background: linear-gradient(135deg, rgba(255, 255, 255, 0.95) 0%, rgba(239, 246, 255, 0.95) 100%);
    border-radius: var(--radius-xl);
    padding: 48px;
    border: 2px solid rgba(37, 99, 235, 0.3);
    display: grid;
    grid-template-columns: 1.5fr 1fr;
    gap: 60px;
    font-size: 18px;
    align-items: center;
    box-shadow: var(--shadow-medium);
    backdrop-filter: blur(10px);
    position: relative;
    overflow: hidden;
}

    .pilot-box::before {
        content: '';
        position: absolute;
        top: 0;
        left: 0;
        right: 0;
        height: 6px;
        background: linear-gradient(90deg, var(--primary), #4f46e5);
    }

.pilot-content h3 {
    font-size: 32px;
    margin-bottom: 20px;
    color: #111827;
    font-weight: 800;
}

.pilot-notes {
    font-size: 17px;
    color: var(--text-secondary);
    line-height: 1.6;
    margin-bottom: 32px;
}

.pilot-box .validation-keypoints {
    margin-top: 32px;
}

.pilot-contact {
    background: rgba(255, 255, 255, 0.9);
    border-radius: 24px;
    padding: 32px;
    box-shadow: var(--shadow-soft);
}

/* Contact Section */
.contact-grid {
    display: grid;
    grid-template-columns: 1.4fr 1fr;
    gap: 48px;
    font-size: 17px;
    margin-top: 24px;
}

.contact-card {
    background: rgba(255, 255, 255, 0.95);
    border-radius: var(--radius-xl);
    padding: 48px;
    border: 1px solid var(--border);
    box-shadow: var(--shadow-medium);
    backdrop-filter: blur(10px);
}

    .contact-card h3 {
        font-size: 32px;
        margin-bottom: 40px;
        color: #111827;
        font-weight: 800;
        position: relative;
        display: inline-block;
    }

        .contact-card h3::after {
            content: '';
            position: absolute;
            bottom: -12px;
            left: 0;
            width: 60px;
            height: 4px;
            background: linear-gradient(90deg, var(--primary), var(--accent));
            border-radius: 2px;
        }

.contact-line {
    margin-bottom: 24px;
    padding-bottom: 24px;
    border-bottom: 1px solid var(--border-light);
}

    .contact-line:last-child {
        border-bottom: none;
        margin-bottom: 0;
        padding-bottom: 0;
    }

.contact-label {
    font-weight: 700;
    font-size: 14px;
    color: var(--muted);
    text-transform: uppercase;
    letter-spacing: 0.06em;
    margin-bottom: 8px;
    display: block;
}

.contact-value {
    font-size: 18px;
    color: var(--text-secondary);
}

    .contact-value a {
        color: var(--primary);
        font-weight: 600;
        transition: color 0.2s ease;
        position: relative;
    }

        .contact-value a:hover {
            color: var(--accent);
        }

        .contact-value a::after {
            content: '';
            position: absolute;
            bottom: -2px;
            left: 0;
            width: 0;
            height: 2px;
            background: var(--accent);
            transition: width 0.3s ease;
        }

        .contact-value a:hover::after {
            width: 100%;
        }

/* CTA Block */
.cta-block {
    background: linear-gradient(135deg, #0f172a 0%, #1e293b 100%);
    color: #f1f5f9;
    border-radius: var(--radius-xl);
    padding: 60px;
    display: flex;
    flex-direction: column;
    gap: 28px;
    font-size: 18px;
    box-shadow: var(--shadow-hover);
    position: relative;
    overflow: hidden;
}

    .cta-block::before {
        content: '';
        position: absolute;
        top: 0;
        left: 0;
        right: 0;
        bottom: 0;
        background: radial-gradient(circle at 80% 20%, rgba(255, 255, 255, 0.05) 0%, transparent 50%), radial-gradient(circle at 20% 80%, rgba(30, 64, 175, 0.05) 0%, transparent 50%);
    }

    .cta-block h3 {
        font-size: 36px;
        font-weight: 800;
        color: white;
        margin-bottom: 12px;
        position: relative;
        z-index: 2;
    }

    .cta-block p {
        color: #cbd5e1;
        line-height: 1.7;
        font-size: 19px;
        position: relative;
        z-index: 2;
    }

.cta-inline {
    display: flex;
    flex-wrap: wrap;
    gap: 16px;
    align-items: center;
    margin: 24px 0;
    position: relative;
    z-index: 2;
}

.cta-chip {
    padding: 10px 20px;
    border-radius: 999px;
    background: rgba(249, 250, 251, 0.15);
    font-size: 14px;
    color: #e2e8f0;
    border: 1px solid rgba(255, 255, 255, 0.2);
    backdrop-filter: blur(10px);
    font-weight: 500;
}

.cta-phone {
    font-weight: 800;
    color: white;
    font-size: 28px;
    position: relative;
    z-index: 2;
    display: block;
    margin: 16px 0;
}

.cta-block a {
    color: #60a5fa;
    text-decoration: none;
    transition: color 0.2s ease;
    position: relative;
    z-index: 2;
    font-weight: 600;
}

    .cta-block a:hover {
        color: #93c5fd;
        text-decoration: underline;
    }

/* Form Box */
.form-box {
    margin-top: 48px;
    font-size: 16px;
    position: relative;
    z-index: 2;
}

    .form-box form {
        display: grid;
        gap: 28px;
        margin-top: 32px;
    }

.form-row {
    display: grid;
    gap: 12px;
}

label {
    font-size: 15px;
    color: var(--text-secondary);
    font-weight: 600;
}

input[type="text"],
input[type="email"],
textarea {
    padding: 18px 20px;
    border-radius: 16px;
    border: 2px solid var(--border);
    font-size: 17px;
    width: 100%;
    transition: all 0.3s ease;
    background: rgba(255, 255, 255, 0.9);
    color: var(--text);
}

    input[type="text"]:focus,
    input[type="email"]:focus,
    textarea:focus {
        outline: none;
        border-color: var(--primary);
        box-shadow: 0 0 0 4px rgba(28, 78, 128, 0.2);
        background: white;
    }

textarea {
    min-height: 160px;
    resize: vertical;
    line-height: 1.6;
}

.form-hint {
    font-size: 14px;
    color: var(--muted);
    margin-top: 12px;
    text-align: center;
}

.form-box .btn-primary {
    width: 100%;
    justify-content: center;
    margin-top: 20px;
    padding: 20px 40px;
    font-size: 18px;
    font-weight: 700;
}


/* Responsive */
@media (max-width: 1200px) {
    .hero,
    .validation-box,
    .pilot-box,
    .contact-grid,
    .compare {
        grid-template-columns: minmax(0, 1fr);
        gap: 48px;
    }

    .features-grid {
        grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    }

    .hero {
        padding: 60px 40px;
    }
}

@media (max-width: 768px) {
    .section-container {
        padding: 60px 24px;
    }

    header {
        padding: 20px 24px;
        flex-direction: column;
        align-items: flex-start;
        gap: 20px;
    }

    nav {
        justify-content: flex-start;
        width: 100%;
        overflow-x: auto;
        padding-bottom: 12px;
        gap: 24px;
    }

    .section-title {
        font-size: 28px;
    }

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

    .hero-section {
        padding: 60px 24px;
        min-height: auto;
    }

    .hero h1 {
        font-size: 32px;
    }

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

    .btn {
        padding: 14px 28px;
        font-size: 16px;
    }

    .hero-metrics {
        grid-template-columns: 1fr;
    }

    .tier-card,
    .feature-card,
    .contact-card,
    .pilot-box,
    .validation-box {
        padding: 32px 24px;
    }

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

    .tier-name {
        font-size: 28px;
    }

    .tier-price {
        font-size: 36px;
    }

    .hero-actions {
        flex-direction: column;
        align-items: stretch;
    }

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

@media (max-width: 480px) {
    .section-container {
        padding: 48px 20px;
    }

    .hero-section {
        padding: 48px 20px;
    }

    header {
        padding: 16px 20px;
    }

    .hero h1 {
        font-size: 28px;
    }

    .section-title {
        font-size: 24px;
    }

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

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

    .tier-name {
        font-size: 24px;
    }

    .tier-price {
        font-size: 32px;
    }

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

    .cta-block,
    .validation-box,
    .pilot-box {
        padding: 32px 24px;
    }
}