:root {
    --color-primary: #0066FF;
    --color-primary-dark: #004FCC;
    --color-bg: #F5F7FA;
    --color-surface: #FFFFFF;
    --color-text-primary: #0A1E3D;
    --color-text-secondary: #4A5568;
    --color-text-tertiary: #7B879B;
    --color-border: #E4E9F0;
    --color-muted: #F1F4F9;
    --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    --spacing: 8px;
    --container-width: 1100px;
}

* {
    box-sizing: border-box;
}

body {
    margin: 0;
    font-family: var(--font-sans);
    font-size: 18px;
    line-height: 1.6;
    color: var(--color-text-primary);
    background-color: var(--color-bg);
    -webkit-font-smoothing: antialiased;
}

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

.container {
    width: 100%;
    max-width: var(--container-width);
    margin: 0 auto;
    padding: 0 calc(var(--spacing) * 3);
}

.container.narrow {
    max-width: 640px;
}

.hero {
    background: linear-gradient(135deg, #FBFCFF 0%, #F2F6FF 100%);
    padding: calc(var(--spacing) * 12) 0;
}

.hero-layout {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: calc(var(--spacing) * 6);
    align-items: center;
}

.hero-text h1 {
    font-size: clamp(2.5rem, 5vw, 3.5rem);
    margin: calc(var(--spacing) * 2) 0;
    letter-spacing: -0.02em;
}

.hero-subtitle {
    color: var(--color-text-secondary);
    margin-bottom: calc(var(--spacing) * 4);
}

.hero-actions {
    display: flex;
    flex-direction: column;
    gap: calc(var(--spacing) * 1.5);
    align-items: flex-start;
}

.hero-media {
    position: relative;
    width: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: calc(var(--spacing) * 2);
}

.hero-media::before {
    content: '';
    position: absolute;
    inset: 10% -10% -10% -10%;
    background: radial-gradient(circle at 50% 0%, rgba(0, 102, 255, 0.2), transparent 55%);
    filter: blur(40px);
    z-index: 0;
}

.hero-photo {
    position: relative;
    width: 100%;
    max-width: 420px;
    aspect-ratio: 2 / 3;
    overflow: hidden;
    border-radius: 40px;
    box-shadow:
        0 40px 90px rgba(5, 25, 55, 0.4),
        0 0 0 1px rgba(255, 255, 255, 0.08);
    background: radial-gradient(circle at 20% 20%, rgba(255, 255, 255, 0.08), rgba(0, 0, 0, 0.4));
}

.hero-photo::after {
    content: '';
    position: absolute;
    inset: -30px;
    background: radial-gradient(circle, rgba(0, 102, 255, 0.2), rgba(0, 0, 0, 0));
    filter: blur(40px);
    z-index: -1;
    opacity: 0.5;
}

.hero-photo::before {
    content: '';
    position: absolute;
    inset: 20px;
    border-radius: 30px;
    background: linear-gradient(135deg, rgba(255, 255, 255, 0.08), rgba(255, 255, 255, 0));
    opacity: 0.6;
    pointer-events: none;
    z-index: 2;
}

.hero-photo img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    filter: saturate(1.08) contrast(1.03);
    display: block;
    border-radius: 40px;
    position: relative;
    z-index: 1;
}

.hero-photo-glow {
    position: absolute;
    inset: 12px;
    border-radius: 32px;
    background: linear-gradient(135deg, rgba(0, 102, 255, 0.35), rgba(0, 196, 140, 0.25));
    mix-blend-mode: screen;
    opacity: 0.35;
    pointer-events: none;
    z-index: 2;
}

.hero-photo-copy {
    position: absolute;
    left: 0;
    right: 0;
    bottom: 32px;
    margin: 0;
    padding: 0 calc(var(--spacing) * 4);
    color: rgba(255, 255, 255, 0.92);
    font-size: 1.25rem;
    font-weight: 500;
    text-align: center;
    letter-spacing: 0.01em;
    text-shadow: 0 12px 30px rgba(6, 20, 40, 0.7);
    z-index: 3;
}

.eyebrow {
    text-transform: uppercase;
    letter-spacing: 0.18em;
    font-size: 0.75rem;
    color: var(--color-text-tertiary);
}

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: calc(var(--spacing) * 2) calc(var(--spacing) * 4);
    border-radius: 999px;
    border: none;
    font-weight: 600;
    font-size: 1rem;
    cursor: pointer;
    text-decoration: none;
    transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.btn-primary {
    background: var(--color-primary);
    color: #fff;
    box-shadow: 0 18px 35px rgba(0, 102, 255, 0.25);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 20px 45px rgba(0, 102, 255, 0.3);
}

.cta-hint {
    font-size: 0.95rem;
    color: var(--color-text-tertiary);
}

.section {
    padding: calc(var(--spacing) * 10) 0;
}

.section-problem {
    background: var(--color-surface);
}

.section p {
    margin-bottom: calc(var(--spacing) * 3);
}

.section h2,
.section h3 {
    margin-bottom: calc(var(--spacing) * 2);
}

.muted {
    color: var(--color-text-secondary);
}

.form-shell {
    padding: calc(var(--spacing) * 8) 0 calc(var(--spacing) * 6);
}

.page-shell {
    min-height: 100vh;
}

.form-header {
    display: flex;
    flex-direction: column;
    gap: calc(var(--spacing) * 2);
    margin-bottom: calc(var(--spacing) * 5);
}

.link-inline {
    margin-bottom: calc(var(--spacing) * 2);
}

.form-intro {
    color: var(--color-text-secondary);
    margin-bottom: calc(var(--spacing) * 5);
}

.form-meta {
    color: var(--color-text-tertiary);
    font-size: 0.95rem;
    margin-bottom: calc(var(--spacing) * 5);
}

.form-frame {
    max-width: 640px;
    margin: 0 auto calc(var(--spacing) * 3);
    background: transparent;
    padding: 0;
}

.form-frame iframe {
    width: 100%;
    max-width: 640px;
    min-height: 710px;
    border: none;
    display: block;
    margin: 0 auto;
}

.privacy-note {
    text-align: center;
    margin-top: calc(var(--spacing) * 1.5);
    color: var(--color-text-tertiary);
    font-size: 0.95rem;
}

.footer {
    padding: calc(var(--spacing) * 6) 0;
    text-align: center;
    color: var(--color-text-secondary);
}

.link-back {
    color: var(--color-text-tertiary);
    text-decoration: none;
    font-weight: 500;
}

.thank-you {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    padding: calc(var(--spacing) * 8) 0;
}

.hero-minimal {
    text-align: left;
    padding-bottom: calc(var(--spacing) * 6);
}

@media (max-width: 768px) {
    body {
        font-size: 17px;
    }

    .hero {
        padding: calc(var(--spacing) * 8) 0;
    }

    .form-frame iframe {
        height: 1900px;
    }
}