:root {
    --green: #39a900;
    --green-dark: #08783f;
    --ink: #15231c;
    --muted: #617168;
    --surface: #f5f8f5;
    --line: #dce7de;
    --white: #fff;
    --shadow: 0 18px 45px rgba(10, 36, 22, .13);
}

* { box-sizing: border-box; margin: 0; }
html { scroll-behavior: smooth; }
body { font-family: 'Manrope', 'Segoe UI', sans-serif; color: var(--ink); background: var(--surface); -webkit-font-smoothing: antialiased; }
body.modal-abierto { overflow: hidden; }
button, input { font: inherit; }
button, a { -webkit-tap-highlight-color: transparent; }
button { cursor: pointer; }

.site-header { height: 78px; padding: 0 clamp(22px, 5vw, 76px); display: flex; align-items: center; justify-content: space-between; background: var(--white); border-bottom: 1px solid #e8eee9; }
.brand, .modal-brand { display: inline-flex; align-items: center; gap: 10px; color: var(--ink); font-size: 20px; font-weight: 800; letter-spacing: .09em; text-decoration: none; }
.brand-mark { width: 30px; height: 30px; display: inline-grid; place-items: center; border-radius: 9px; background: var(--green); color: #fff; font-size: 17px; font-weight: 800; letter-spacing: normal; }
.header-login, .primary-button, .submit-button { border: 0; background: var(--green); color: #fff; font-weight: 800; transition: transform .2s ease, background .2s ease, box-shadow .2s ease; }
.header-login { padding: 11px 16px; border-radius: 10px; font-size: 14px; }
.header-login i, .primary-button i, .submit-button i { margin-left: 8px; }
.header-login:hover, .primary-button:hover, .submit-button:hover { background: var(--green-dark); box-shadow: 0 9px 20px rgba(8, 120, 63, .22); transform: translateY(-2px); }

.hero { min-height: 610px; padding: 84px clamp(22px, 9vw, 154px); display: grid; grid-template-columns: minmax(0, 620px) minmax(250px, 360px); align-items: center; justify-content: space-between; gap: 70px; position: relative; overflow: hidden; color: #fff; }
.hero-background, .hero-background::after { position: absolute; inset: 0; }
.hero-background { z-index: -2; background: url('../img/sena-florencia.jpeg') center / cover no-repeat; }
.hero-background::after { content: ''; background: linear-gradient(90deg, rgba(7, 31, 18, .95) 0%, rgba(8, 43, 25, .83) 47%, rgba(6, 47, 29, .48) 100%); }
.hero::after { content: ''; position: absolute; z-index: -1; right: -170px; bottom: -260px; width: 590px; height: 590px; border-radius: 50%; border: 1px solid rgba(255,255,255,.14); box-shadow: 0 0 0 74px rgba(255,255,255,.05), 0 0 0 148px rgba(255,255,255,.04); }
.eyebrow { display: flex; align-items: center; gap: 9px; margin-bottom: 20px; color: #d8f5c7; font-size: 12px; font-weight: 800; letter-spacing: .13em; text-transform: uppercase; }
.eyebrow span { width: 26px; height: 2px; background: var(--green); }
.hero h1 { max-width: 620px; font-size: clamp(40px, 5vw, 67px); line-height: 1.08; letter-spacing: -.055em; }
.hero h1 em { color: #b7ed87; font-style: normal; }
.hero-description { max-width: 540px; margin: 25px 0 31px; color: rgba(255,255,255,.86); font-size: 17px; line-height: 1.7; }
.hero-actions { display: flex; align-items: center; gap: 25px; }
.primary-button { padding: 16px 20px; border-radius: 10px; font-size: 15px; }
.text-link { color: #fff; font-size: 14px; font-weight: 700; text-decoration: none; }
.text-link:hover { color: #c3f09c; }
.text-link i { margin-left: 5px; font-size: 12px; }
.trust-list { display: flex; flex-wrap: wrap; gap: 12px 25px; padding: 0; margin-top: 34px; list-style: none; color: rgba(255,255,255,.82); font-size: 13px; }
.trust-list i { margin-right: 6px; color: #b7ed87; font-size: 16px; }

.availability-card { padding: 25px; border: 1px solid rgba(255,255,255,.24); border-radius: 17px; background: rgba(255,255,255,.13); box-shadow: 0 24px 50px rgba(0,0,0,.18); backdrop-filter: blur(12px); }
.availability-header { display: flex; align-items: center; gap: 12px; padding-bottom: 22px; border-bottom: 1px solid rgba(255,255,255,.18); color: rgba(255,255,255,.8); font-size: 13px; font-weight: 700; }
.availability-icon { width: 38px; height: 38px; display: grid; place-items: center; border-radius: 10px; background: var(--green); color: #fff; font-size: 18px; }
.availability-content { padding: 27px 0 23px; }
.availability-content p { color: rgba(255,255,255,.75); font-size: 14px; }
.availability-content strong { display: block; margin: 3px 0 9px; font-size: 27px; line-height: 1.15; letter-spacing: -.04em; }
.availability-content span { color: rgba(255,255,255,.68); font-size: 13px; line-height: 1.5; }
.availability-status { display: flex; align-items: center; gap: 8px; color: #d9f6ca; font-size: 12px; font-weight: 700; }
.availability-status span { width: 8px; height: 8px; border-radius: 50%; background: #a9e88c; box-shadow: 0 0 0 5px rgba(169,232,140,.14); }

.benefits { padding: 92px clamp(22px, 9vw, 154px); background: var(--white); }
.section-intro { max-width: 630px; margin-bottom: 42px; }
.eyebrow-dark { color: var(--green-dark); }
.section-intro h2 { font-size: clamp(29px, 3.4vw, 43px); line-height: 1.18; letter-spacing: -.045em; }
.benefit-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
.benefit-card { padding: 28px; border: 1px solid var(--line); border-radius: 14px; background: #fff; transition: transform .2s ease, box-shadow .2s ease; }
.benefit-card:hover { box-shadow: var(--shadow); transform: translateY(-4px); }
.benefit-icon { width: 45px; height: 45px; display: grid; place-items: center; margin-bottom: 22px; border-radius: 11px; background: #eaf7e2; color: var(--green-dark); font-size: 21px; }
.benefit-card h3 { margin-bottom: 9px; font-size: 17px; letter-spacing: -.02em; }
.benefit-card p { color: var(--muted); font-size: 14px; line-height: 1.65; }
.site-footer { min-height: 76px; padding: 20px clamp(22px, 9vw, 154px); display: flex; justify-content: space-between; align-items: center; gap: 16px; color: #718078; font-size: 12px; }

.modal { position: fixed; inset: 0; z-index: 10; display: grid; place-items: center; padding: 22px; background: rgba(10, 25, 16, .62); opacity: 0; visibility: hidden; transition: opacity .2s ease, visibility .2s ease; backdrop-filter: blur(5px); }
.modal.is-open { opacity: 1; visibility: visible; }
.modal-content { position: relative; width: min(100%, 430px); padding: 35px; border-radius: 18px; background: #fff; box-shadow: 0 26px 70px rgba(0,0,0,.3); transform: translateY(12px) scale(.98); transition: transform .2s ease; }
.modal.is-open .modal-content { transform: none; }
.cerrar { position: absolute; top: 16px; right: 16px; width: 34px; height: 34px; border: 0; border-radius: 50%; background: #f1f5f1; color: #4f5e55; }
.cerrar:hover { background: #e3f3d9; color: var(--green-dark); }
.modal-brand { font-size: 16px; }
.modal-brand .brand-mark { width: 26px; height: 26px; border-radius: 7px; font-size: 14px; }
.modal-content h2 { margin: 25px 0 7px; font-size: 27px; letter-spacing: -.045em; }
.modal-subtitle { color: var(--muted); font-size: 14px; }
.field { margin-top: 20px; }
.field label { display: block; margin-bottom: 7px; color: #334139; font-size: 13px; font-weight: 800; }
.input-wrap { display: flex; align-items: center; gap: 10px; padding: 0 13px; border: 1px solid #d8e1d9; border-radius: 10px; background: #fbfdfb; color: #78867d; transition: border .2s ease, box-shadow .2s ease; }
.input-wrap:focus-within { border-color: var(--green); box-shadow: 0 0 0 4px rgba(57,169,0,.13); }
.input-wrap input { width: 100%; padding: 13px 0; border: 0; outline: 0; background: transparent; color: var(--ink); font-size: 14px; }
.input-wrap input::placeholder { color: #99a49d; }
.submit-button { width: 100%; margin-top: 27px; padding: 14px; border-radius: 10px; font-size: 14px; }
.alert-success, .alert-error { display: flex; gap: 8px; align-items: flex-start; margin-top: 20px; padding: 11px 12px; border-radius: 9px; font-size: 13px; line-height: 1.4; }
.alert-success { color: #146435; background: #e9f8ec; }
.alert-error { color: #a02727; background: #fff0ef; }

@media (max-width: 760px) {
    .site-header { height: 68px; }
    .brand { font-size: 18px; }
    .brand-mark { width: 27px; height: 27px; font-size: 15px; }
    .header-login { padding: 9px 12px; font-size: 12px; }
    .header-login i { display: none; }
    .hero { min-height: 660px; padding: 65px 24px; grid-template-columns: 1fr; gap: 42px; }
    .hero-background::after { background: linear-gradient(135deg, rgba(7,31,18,.94), rgba(6,47,29,.72)); }
    .hero h1 { font-size: clamp(38px, 11vw, 53px); }
    .hero-description { font-size: 15px; }
    .hero-actions { align-items: flex-start; flex-direction: column; gap: 19px; }
    .availability-card { max-width: 350px; }
    .benefits { padding: 65px 24px; }
    .benefit-grid { grid-template-columns: 1fr; }
    .benefit-card { padding: 24px; }
    .site-footer { align-items: flex-start; flex-direction: column; padding: 25px 24px; }
    .modal-content { padding: 28px 23px; }
}

@media (prefers-reduced-motion: reduce) { *, *::before, *::after { scroll-behavior: auto !important; transition-duration: .01ms !important; } }