:root {
    --bg-page: #f4f1ec;
    --bg-surface: #ffffff;
    --bg-quiet: #ece8df;
    --bg-ink: #1c2731;
    --text-main: #20262d;
    --text-muted: #68737d;
    --text-inverse: #f8f7f4;
    --primary: #1d5f5a;
    --primary-hover: #164c48;
    --accent: #b24b37;
    --accent-soft: #f3ded8;
    --warning: #966a17;
    --danger: #b42318;
    --border: #d8d2c8;
    --border-strong: #bdb4a7;
    --shadow-sm: 0 1px 2px rgb(28 39 49 / 0.06);
    --shadow-md: 0 14px 34px rgb(28 39 49 / 0.12);
    --radius: 8px;
    --transition: all 160ms ease;
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Inter', Arial, sans-serif;
    background: var(--bg-page);
    color: var(--text-main);
    line-height: 1.58;
    overflow-x: hidden;
    text-rendering: optimizeLegibility;
}

.container {
    width: min(1120px, calc(100% - 48px));
    margin: 0 auto;
}

.text-center { text-align: center; }
.mb-4 { margin-bottom: 2rem; }

.top-bar {
    background: var(--bg-ink);
    border-bottom: 1px solid rgb(255 255 255 / 0.12);
    padding: 10px 0;
    font-size: 0.86rem;
    color: rgb(248 247 244 / 0.82);
}

.top-bar .container {
    display: flex;
    justify-content: space-between;
    gap: 16px;
}

h1,
h2,
h3 {
    color: inherit;
    letter-spacing: 0;
}

h1 {
    max-width: 680px;
    font-size: 3.85rem;
    line-height: 1.03;
    font-weight: 800;
    margin-bottom: 1.25rem;
}

h2 {
    font-size: 2.5rem;
    line-height: 1.08;
    font-weight: 800;
    margin-bottom: 1.2rem;
}

h3 {
    font-weight: 700;
}

.highlight,
.text-gradient {
    color: var(--accent);
    background: none;
    -webkit-text-fill-color: currentColor;
}

.btn-primary,
.btn-next,
.btn-submit,
.btn-prev {
    min-height: 48px;
    border-radius: var(--radius);
    font-family: inherit;
    cursor: pointer;
    transition: var(--transition);
}

.btn-primary {
    width: 100%;
    max-width: 380px;
    border: 1px solid var(--primary);
    background: var(--primary);
    color: white;
    font-size: 1rem;
    font-weight: 800;
    padding: 15px 24px;
    box-shadow: var(--shadow-sm);
}

.btn-primary:hover,
.btn-next:hover,
.btn-submit:hover {
    background: var(--primary-hover);
    border-color: var(--primary-hover);
}

.btn-primary:focus-visible,
.btn-next:focus-visible,
.btn-submit:focus-visible,
.btn-prev:focus-visible,
.radio-card:has(input:focus-visible),
.input-group input:focus-visible,
.input-group textarea:focus-visible {
    outline: 3px solid rgb(29 95 90 / 0.22);
    outline-offset: 2px;
}

.hero {
    position: relative;
    padding: 56px 0 52px;
    background: linear-gradient(180deg, #fbfaf7 0%, var(--bg-page) 100%);
    border-bottom: 1px solid var(--border);
}

.hero-grid {
    display: grid;
    grid-template-columns: minmax(0, 1.02fr) minmax(340px, 0.88fr);
    gap: clamp(32px, 6vw, 72px);
    align-items: center;
}

.badge {
    display: inline-flex;
    align-items: center;
    min-height: 34px;
    padding: 7px 12px;
    background: var(--accent-soft);
    color: #7d3326;
    border: 1px solid #e0b9af;
    border-radius: 999px;
    font-size: 0.82rem;
    font-weight: 700;
    margin-bottom: 1.25rem;
}

.hero p {
    max-width: 660px;
    font-size: 1.12rem;
    color: var(--text-muted);
    margin-bottom: 1.7rem;
}

.hero p strong {
    color: var(--text-main);
}

.hero-actions {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    gap: 10px;
}

.disclaimer {
    color: var(--text-muted);
    font-size: 0.85rem;
}

.hero-image-wrapper,
.engaño-image-wrapper {
    position: relative;
}

.image-glow {
    display: none;
}

.hero-img,
.papers-img {
    display: block;
    width: 100%;
    aspect-ratio: 1;
    object-fit: cover;
    border-radius: var(--radius);
    border: 1px solid var(--border-strong);
    box-shadow: var(--shadow-md);
}

.hero-img {
    object-position: center center;
}

.section-dark,
.section-light {
    padding: clamp(56px, 8vw, 88px) 0;
    background: var(--bg-page);
}

.engaño-section {
    background: var(--bg-surface);
    border-bottom: 1px solid var(--border);
}

.engaño-grid {
    display: grid;
    grid-template-columns: minmax(320px, 0.86fr) minmax(0, 1fr);
    gap: clamp(32px, 6vw, 72px);
    align-items: center;
}

.engaño-content p {
    color: var(--text-muted);
    font-size: 1.03rem;
}

.engaño-content p strong,
.alert-box strong,
.faq-item strong {
    color: var(--text-main);
}

.pain-points {
    list-style: none;
    margin: 1.65rem 0;
    display: grid;
    gap: 10px;
}

.pain-points li {
    display: flex;
    align-items: flex-start;
    gap: 10px;
    color: var(--text-main);
    background: #faf8f3;
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 12px 14px;
}

.pain-points .icon {
    font-style: normal;
    line-height: 1.4;
}

.alert-box {
    background: #fff7df;
    border: 1px solid #e7c877;
    border-left: 5px solid var(--warning);
    padding: 16px 18px;
    border-radius: var(--radius);
    color: #5e420f;
}

.lesiones-section {
    background: var(--bg-page);
    border-bottom: 1px solid var(--border);
}

.lesiones-section h2 {
    max-width: 860px;
    margin-left: auto;
    margin-right: auto;
}

.cards-grid {
    display: grid;
    grid-template-columns: repeat(5, minmax(0, 1fr));
    gap: 14px;
    margin-top: clamp(32px, 5vw, 48px);
}

.card {
    min-height: 248px;
    background: var(--bg-surface);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 22px;
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
}

.card:hover {
    border-color: var(--border-strong);
    transform: translateY(-2px);
    box-shadow: 0 12px 24px rgb(28 39 49 / 0.1);
}

.card-icon,
.faq-icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    margin-bottom: 1rem;
    border-radius: 999px;
    background: var(--bg-quiet);
    font-size: 1.35rem;
}

.card h3 {
    margin-bottom: 0.55rem;
    font-size: 1.02rem;
    line-height: 1.22;
}

.card p {
    color: var(--text-muted);
    font-size: 0.93rem;
}

.faq-section {
    background: var(--bg-ink);
    color: var(--text-inverse);
}

.faq-section h2 {
    color: var(--text-inverse);
}

.faq-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
}

.faq-item {
    display: flex;
    gap: 16px;
    min-height: 188px;
    background: rgb(255 255 255 / 0.055);
    border: 1px solid rgb(255 255 255 / 0.14);
    border-radius: var(--radius);
    padding: 24px;
}

.faq-icon {
    flex: 0 0 40px;
    background: rgb(255 255 255 / 0.1);
    margin-bottom: 0;
}

.faq-item h3 {
    font-size: 1.05rem;
    line-height: 1.25;
    margin-bottom: 8px;
}

.faq-item p {
    color: rgb(248 247 244 / 0.74);
    font-size: 0.96rem;
}

.faq-item strong {
    color: var(--text-inverse);
}

.form-section {
    padding: clamp(60px, 8vw, 100px) 0;
    background: #fbfaf7;
}

.form-container {
    max-width: 760px;
}

.form-card {
    background: var(--bg-surface);
    border: 1px solid var(--border-strong);
    border-radius: var(--radius);
    padding: clamp(28px, 5vw, 48px);
    box-shadow: var(--shadow-md);
    text-align: center;
}

.form-card h2 {
    margin-bottom: 0.6rem;
}

.form-subtitle {
    color: var(--text-muted);
    margin-bottom: 2rem;
}

.multi-step-form {
    text-align: left;
}

.form-step {
    display: none;
    animation: fadeIn 220ms ease;
}

.form-step.active {
    display: block;
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(6px); }
    to { opacity: 1; transform: translateY(0); }
}

.form-step > label {
    display: block;
    font-weight: 800;
    margin-bottom: 1rem;
    font-size: 1.06rem;
    line-height: 1.35;
}

.radio-group {
    display: flex;
    flex-direction: column;
    gap: 10px;
    margin-bottom: 22px;
}

.radio-card {
    display: flex;
    align-items: center;
    gap: 12px;
    min-height: 58px;
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 14px 16px;
    background: #fbfaf7;
    cursor: pointer;
    transition: var(--transition);
}

.radio-card:hover {
    border-color: var(--border-strong);
    background: var(--bg-quiet);
}

.radio-card input {
    flex: 0 0 auto;
    width: 20px;
    height: 20px;
    accent-color: var(--primary);
}

.radio-card span {
    font-weight: 700;
}

.radio-card:has(input:checked) {
    border-color: var(--primary);
    background: #e7f0ee;
    box-shadow: inset 0 0 0 1px var(--primary);
}

.input-group {
    position: relative;
    margin-bottom: 22px;
}

.input-group input,
.input-group textarea {
    width: 100%;
    background: #fbfaf7;
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 17px 15px 13px;
    color: var(--text-main);
    font-family: inherit;
    font-size: 1rem;
    outline: none;
    transition: var(--transition);
}

.input-group textarea {
    resize: vertical;
    min-height: 112px;
}

.input-group input:focus,
.input-group textarea:focus {
    border-color: var(--primary);
    background: white;
}

.floating-label {
    position: absolute;
    left: 15px;
    top: 15px;
    color: var(--text-muted);
    transition: var(--transition);
    pointer-events: none;
    background: transparent;
    padding: 0 4px;
}

.input-group input:focus ~ .floating-label,
.input-group input:not(:placeholder-shown) ~ .floating-label,
.input-group textarea:focus ~ .floating-label,
.input-group textarea:not(:placeholder-shown) ~ .floating-label {
    top: -10px;
    left: 11px;
    font-size: 0.78rem;
    font-weight: 800;
    color: var(--primary);
    background: var(--bg-surface);
}

.form-actions {
    display: flex;
    gap: 12px;
    margin-top: 24px;
}

.btn-next,
.btn-submit {
    flex: 1;
    background: var(--primary);
    color: white;
    padding: 14px 18px;
    border: 1px solid var(--primary);
    font-weight: 800;
    font-size: 0.96rem;
}

.btn-submit:disabled {
    opacity: 0.72;
    cursor: wait;
}

.btn-prev {
    padding: 14px 18px;
    background: white;
    border: 1px solid var(--border-strong);
    color: var(--text-main);
    font-weight: 800;
    font-size: 0;
}

.btn-prev:hover {
    background: var(--bg-quiet);
}

.btn-prev::before {
    content: "";
}

.btn-prev::after {
    content: "Volver";
    font-size: 0.96rem;
}

.error-msg {
    color: var(--danger);
    font-size: 0.88rem;
    margin-top: -10px;
    margin-bottom: 12px;
    display: none;
}

.info-msg {
    font-size: 0.92rem;
    color: #5e420f;
    margin-top: 12px;
    padding: 12px 14px;
    border-radius: var(--radius);
    border: 1px solid #e7c877;
    background: #fff7df;
}

.hidden {
    display: none !important;
}

.privacy-note {
    display: block;
    text-align: center;
    color: var(--text-muted);
    margin-top: 16px;
}

.success-state {
    text-align: center;
    padding: 36px 0;
}

.success-icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 64px;
    height: 64px;
    margin-bottom: 1rem;
    border-radius: 999px;
    background: #e7f0ee;
    font-size: 2.1rem;
}

.footer {
    padding: 34px 0;
    text-align: center;
    color: rgb(248 247 244 / 0.72);
    background: var(--bg-ink);
    border-top: 1px solid rgb(255 255 255 / 0.12);
}

.footer p + p {
    margin-top: 6px;
}

@media (max-width: 1080px) {
    .cards-grid {
        grid-template-columns: repeat(3, minmax(0, 1fr));
    }
}

@media (max-width: 900px) {
    .hero-grid,
    .engaño-grid,
    .faq-grid {
        grid-template-columns: 1fr;
    }

    .hero-content {
        max-width: 720px;
    }

    h1 {
        font-size: 3.25rem;
    }

    h2 {
        font-size: 2.25rem;
    }

    .hero-image-wrapper,
    .engaño-image-wrapper {
        max-width: 560px;
    }

    .engaño-image-wrapper {
        order: -1;
    }

    .cards-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }
}

@media (max-width: 640px) {
    .container {
        width: min(100% - 32px, 1120px);
    }

    .top-bar .container {
        flex-direction: column;
        gap: 4px;
    }

    h1 {
        font-size: 2.35rem;
    }

    h2 {
        font-size: 1.9rem;
    }

    .hero p {
        font-size: 1.03rem;
    }

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

    .card {
        min-height: auto;
    }

    .faq-item {
        min-height: auto;
    }

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

    .btn-primary,
    .btn-next,
    .btn-submit,
    .btn-prev {
        width: 100%;
    }
}