/* ============================================================
   COLSUBSIDIO – CUPOS ESCOLARES 2027
   ============================================================ */

/* --- Design Tokens ---------------------------------------- */
:root {
    --yellow:       #F5C800;
    --yellow-lt:    #FFFBE6;
    --yellow-bg:    #FFF9CC;
    --yellow-hero:  #FFECAA;
    --dark:         #1D1D1B;
    --navy:         #1A2744;
    --mid:          #3D3D3D;
    --gray:         #6B6B6B;
    --gray-lt:      #F0F2F5;
    --border:       #E0E0E0;
    --white:        #FFFFFF;
    --green:        #1A8A4A;
    --green-lt:     #EDF7F1;
    --red:          #C0392B;
    --red-lt:       #FDF2F1;
    --orange-lt:    #FFF8E1;
    --orange:       #E67E22;

    --font: 'Nunito Sans', sans-serif;
    --fw-reg: 400;
    --fw-semi: 600;
    --fw-bold: 700;
    --fw-black: 900;

    --r-sm:   8px;
    --r-md:   16px;
    --r-lg:   24px;
    --r-full: 999px;

    --shadow-sm:   0 2px 8px rgba(0,0,0,0.06);
    --shadow-md:   0 4px 20px rgba(0,0,0,0.09);
    --shadow-lg:   0 8px 40px rgba(0,0,0,0.13);
    --t:           all 0.22s cubic-bezier(0.4,0,0.2,1);
}

/* --- Reset ------------------------------------------------- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
    font-family: var(--font);
    font-size: 16px;
    color: var(--dark);
    background: var(--gray-lt);
    -webkit-font-smoothing: antialiased;
    min-height: 100vh;
}
img { display: block; max-width: 100%; }
a   { text-decoration: none; color: inherit; }
ul  { list-style: none; }
button { cursor: pointer; border: none; background: none; font-family: inherit; font-size: inherit; }
input  { font-family: inherit; font-size: inherit; }

/* --- Site Header ------------------------------------------ */
.site-header {
    background: var(--white);
    padding: 14px 32px;
    box-shadow: var(--shadow-sm);
    position: sticky;
    top: 0;
    z-index: 100;
    display: flex;
    align-items: center;
}
.site-header__logo-img { height: 38px; width: auto; }

/* --- Hero -------------------------------------------------- */
.hero {
    background: linear-gradient(115deg, #FFF9CC 0%, var(--yellow-hero) 55%, #FFF3C8 100%);
    padding: 56px 32px;
}
.hero__inner {
    max-width: 1100px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 48px;
    align-items: center;
}
.hero__content { display: flex; flex-direction: column; gap: 18px; }

.breadcrumb-list {
    display: flex;
    align-items: center;
    gap: 6px;
    font-size: 13px;
    color: var(--gray);
}
.breadcrumb-list li:not(:last-child)::after { content: '/'; margin-left: 6px; }
.breadcrumb-list a { color: var(--gray); text-decoration: underline; }
.breadcrumb-list a:hover { color: var(--dark); }
.breadcrumb-list span { color: var(--dark); }

.hero__title {
    font-size: clamp(1.9rem, 3.5vw, 2.8rem);
    font-weight: var(--fw-black);
    color: var(--dark);
    line-height: 1.15;
}
.hero__desc {
    font-size: 15px;
    color: var(--mid);
    line-height: 1.65;
}
.hero__cta {
    display: inline-flex;
    align-items: center;
    background: var(--dark);
    color: var(--white);
    font-weight: var(--fw-bold);
    font-size: 15px;
    padding: 14px 30px;
    border-radius: var(--r-full);
    align-self: flex-start;
    transition: var(--t);
    box-shadow: 0 4px 14px rgba(0,0,0,0.22);
}
.hero__cta:hover {
    background: var(--navy);
    transform: translateY(-2px);
    box-shadow: 0 8px 24px rgba(0,0,0,0.28);
    color: var(--white);
}
.hero__image-wrap { display: flex; justify-content: center; }
.hero__image-card {
    background: var(--white);
    border-radius: var(--r-lg);
    overflow: hidden;
    box-shadow: var(--shadow-md);
    width: 100%;
    max-width: 480px;
    aspect-ratio: 4/3;
}
.hero__img { width: 100%; height: 100%; object-fit: cover; }

/* --- Form Section ----------------------------------------- */
.form-section {
    padding: 56px 32px 80px;
}
.form-section__inner {
    max-width: 780px;
    margin: 0 auto;
    background: var(--white);
    border-radius: var(--r-lg);
    box-shadow: var(--shadow-lg);
    padding: 40px 48px 48px;
}

/* --- Progress Bar ----------------------------------------- */
.progress-bar {
    width: 100%;
    height: 6px;
    background: var(--border);
    border-radius: var(--r-full);
    overflow: hidden;
    margin-bottom: 8px;
}
.progress-bar__fill {
    height: 100%;
    background: linear-gradient(90deg, var(--yellow) 0%, #e5b800 100%);
    border-radius: var(--r-full);
    transition: width 0.45s cubic-bezier(0.4,0,0.2,1);
}
.step-indicator {
    font-size: 12.5px;
    font-weight: var(--fw-semi);
    color: var(--gray);
    text-align: right;
    margin-bottom: 36px;
    letter-spacing: 0.03em;
    text-transform: uppercase;
}

/* --- Form Steps ------------------------------------------- */
.form-step {
    display: none;
    animation: fadeSlideIn 0.35s ease;
}
.form-step.active { display: block; }

@keyframes fadeSlideIn {
    from { opacity: 0; transform: translateX(20px); }
    to   { opacity: 1; transform: translateX(0); }
}

/* --- Step Header ------------------------------------------ */
.form-step__header { margin-bottom: 32px; }
.step-badge {
    display: inline-block;
    background: var(--yellow);
    color: var(--dark);
    font-size: 12px;
    font-weight: var(--fw-black);
    padding: 4px 10px;
    border-radius: var(--r-full);
    letter-spacing: 0.06em;
    margin-bottom: 12px;
}
.form-step__title {
    font-size: 1.5rem;
    font-weight: var(--fw-black);
    color: var(--dark);
    margin-bottom: 6px;
}
.form-step__subtitle {
    font-size: 14px;
    color: var(--gray);
    line-height: 1.6;
}

/* --- Question blocks -------------------------------------- */
.question-block { margin-bottom: 28px; }
.question-label {
    display: block;
    font-size: 15px;
    font-weight: var(--fw-bold);
    color: var(--dark);
    margin-bottom: 4px;
}
.question-hint {
    display: block;
    font-size: 12.5px;
    font-weight: var(--fw-reg);
    color: var(--orange);
    margin-top: 4px;
    line-height: 1.5;
}
.required { color: var(--red); margin-left: 2px; }

/* --- Option Buttons (SI/NO) ------------------------------- */
.option-group {
    display: flex;
    gap: 16px;
    margin-top: 18px;
}
.option-btn {
    flex: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    padding: 18px 24px;
    border: 2px solid var(--border);
    border-radius: var(--r-md);
    font-size: 17px;
    font-weight: var(--fw-bold);
    color: var(--mid);
    background: var(--gray-lt);
    transition: var(--t);
    letter-spacing: 0.04em;
}
.option-btn:hover {
    border-color: var(--yellow);
    background: var(--yellow-lt);
    color: var(--dark);
}
.option-btn.selected {
    border-color: var(--yellow);
    background: var(--yellow-lt);
    color: var(--dark);
    box-shadow: 0 0 0 3px rgba(245,200,0,0.25);
}
.option-btn__icon {
    width: 26px;
    height: 26px;
    border-radius: 50%;
    background: var(--border);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 13px;
    transition: var(--t);
}
.option-btn.selected .option-btn__icon {
    background: var(--yellow);
    color: var(--dark);
}
/* NO selected → red tint */
#opt-no.selected {
    border-color: var(--red);
    background: var(--red-lt);
    box-shadow: 0 0 0 3px rgba(192,57,43,0.15);
}
#opt-no.selected .option-btn__icon { background: var(--red); color: var(--white); }

/* --- Alert Block ------------------------------------------ */
.alert-block {
    display: flex;
    align-items: flex-start;
    gap: 14px;
    background: var(--orange-lt);
    border: 1px solid var(--orange);
    border-radius: var(--r-md);
    padding: 16px 20px;
    margin-top: 20px;
    font-size: 14px;
    line-height: 1.6;
    color: var(--dark);
    animation: fadeSlideIn 0.3s ease;
}
.alert-block.hidden { display: none; }
.alert-block__icon {
    font-size: 22px;
    color: var(--orange);
    flex-shrink: 0;
    margin-top: 1px;
}
.alert-block a { color: var(--navy); text-decoration: underline; }

/* --- Fields Grid ------------------------------------------ */
.fields-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
    margin-bottom: 28px;
}
.field-group { display: flex; flex-direction: column; gap: 6px; }
.field-label {
    font-size: 14px;
    font-weight: var(--fw-bold);
    color: var(--dark);
}
.field-input {
    padding: 12px 16px;
    border: 2px solid var(--border);
    border-radius: var(--r-sm);
    font-size: 15px;
    color: var(--dark);
    background: var(--white);
    transition: var(--t);
    outline: none;
}
.field-input:focus {
    border-color: var(--yellow);
    box-shadow: 0 0 0 3px rgba(245,200,0,0.2);
}
.field-input.error { border-color: var(--red); }
.field-error {
    font-size: 12px;
    color: var(--red);
    font-weight: var(--fw-semi);
    min-height: 18px;
}

/* --- Schedule Buttons ------------------------------------- */
.schedule-group {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 14px;
    margin-top: 16px;
}
.schedule-btn {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 20px 12px;
    border: 2px solid var(--border);
    border-radius: var(--r-md);
    background: var(--gray-lt);
    color: var(--mid);
    text-align: center;
    transition: var(--t);
}
.schedule-btn:hover {
    border-color: var(--yellow);
    background: var(--yellow-lt);
    color: var(--dark);
}
.schedule-btn.selected {
    border-color: var(--yellow);
    background: var(--yellow-lt);
    color: var(--dark);
    box-shadow: 0 0 0 3px rgba(245,200,0,0.25);
}
.schedule-btn svg {
    color: var(--gray);
    transition: var(--t);
}
.schedule-btn.selected svg,
.schedule-btn:hover svg { color: var(--dark); }
.schedule-btn__time {
    font-size: 15px;
    font-weight: var(--fw-bold);
    line-height: 1.3;
}
.schedule-btn__days {
    font-size: 12px;
    color: var(--gray);
    font-weight: var(--fw-semi);
}
.schedule-btn.selected .schedule-btn__days { color: var(--mid); }

/* --- Sede Cards ------------------------------------------- */
.sede-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 16px;
    margin-top: 16px;
}
.sede-card {
    position: relative;
    border: 2.5px solid var(--border);
    border-radius: var(--r-md);
    overflow: hidden;
    background: var(--white);
    text-align: left;
    transition: var(--t);
    cursor: pointer;
    display: flex;
    flex-direction: column;
}
.sede-card:hover {
    border-color: var(--yellow);
    box-shadow: var(--shadow-md);
    transform: translateY(-3px);
}
.sede-card.selected {
    border-color: var(--yellow);
    box-shadow: 0 0 0 3px rgba(245,200,0,0.3), var(--shadow-md);
    transform: translateY(-3px);
}
.sede-card__img-wrap {
    width: 100%;
    aspect-ratio: 16/10;
    overflow: hidden;
}
.sede-card__img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.45s ease;
}
.sede-card:hover .sede-card__img { transform: scale(1.06); }
.sede-card__info {
    padding: 12px 14px;
    display: flex;
    flex-direction: column;
    gap: 4px;
}
.sede-card__name {
    font-size: 14px;
    font-weight: var(--fw-bold);
    color: var(--dark);
}
.sede-card__location {
    display: flex;
    align-items: center;
    gap: 4px;
    font-size: 12.5px;
    color: var(--gray);
    font-weight: var(--fw-semi);
}
.sede-card__check {
    position: absolute;
    top: 10px;
    right: 10px;
    width: 26px;
    height: 26px;
    background: var(--yellow);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transform: scale(0.7);
    transition: var(--t);
}
.sede-card.selected .sede-card__check {
    opacity: 1;
    transform: scale(1);
}

/* --- Grade Grid ------------------------------------------- */
.selected-sede-badge {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    background: var(--yellow-lt);
    border: 1.5px solid var(--yellow);
    color: var(--dark);
    font-size: 13px;
    font-weight: var(--fw-bold);
    padding: 5px 14px;
    border-radius: var(--r-full);
    margin: 10px 0 16px;
}
.grade-grid {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    margin-top: 4px;
}
.grade-btn {
    padding: 10px 20px;
    border: 2px solid var(--border);
    border-radius: var(--r-full);
    font-size: 14px;
    font-weight: var(--fw-bold);
    color: var(--mid);
    background: var(--gray-lt);
    transition: var(--t);
    cursor: pointer;
}
.grade-btn:hover {
    border-color: var(--yellow);
    background: var(--yellow-lt);
    color: var(--dark);
}
.grade-btn.selected {
    border-color: var(--yellow);
    background: var(--yellow);
    color: var(--dark);
    box-shadow: 0 2px 10px rgba(245,200,0,0.3);
}

/* --- Form Navigation -------------------------------------- */
.form-nav {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-top: 36px;
    padding-top: 28px;
    border-top: 1px solid var(--border);
}
.btn-next,
.btn-submit {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: var(--dark);
    color: var(--white);
    font-size: 15px;
    font-weight: var(--fw-bold);
    padding: 13px 28px;
    border-radius: var(--r-full);
    transition: var(--t);
    box-shadow: 0 3px 12px rgba(0,0,0,0.2);
    border: none;
    cursor: pointer;
}
.btn-next:hover,
.btn-submit:hover {
    background: var(--navy);
    transform: translateY(-1px);
    box-shadow: 0 6px 20px rgba(0,0,0,0.25);
    color: var(--white);
}
.btn-next:disabled,
.btn-submit:disabled {
    background: var(--border);
    color: var(--gray);
    cursor: not-allowed;
    transform: none;
    box-shadow: none;
}
.btn-back {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    color: var(--gray);
    font-size: 14px;
    font-weight: var(--fw-semi);
    padding: 10px 4px;
    transition: var(--t);
    border: none;
    background: none;
    cursor: pointer;
}
.btn-back:hover { color: var(--dark); }

/* --- Success State ---------------------------------------- */
.success-state {
    text-align: center;
    padding: 20px 0;
    animation: fadeSlideIn 0.4s ease;
}
.success-state__icon {
    width: 80px;
    height: 80px;
    background: var(--green-lt);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 24px;
    color: var(--green);
}
.success-state__title {
    font-size: 1.8rem;
    font-weight: var(--fw-black);
    color: var(--dark);
    margin-bottom: 12px;
}
.success-state__msg {
    font-size: 15px;
    color: var(--gray);
    line-height: 1.7;
    max-width: 480px;
    margin: 0 auto 28px;
}
.success-summary {
    background: var(--gray-lt);
    border-radius: var(--r-md);
    padding: 20px 24px;
    text-align: left;
    margin-bottom: 28px;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 12px 24px;
}
.summary-item { display: flex; flex-direction: column; gap: 2px; }
.summary-item__label {
    font-size: 11.5px;
    font-weight: var(--fw-bold);
    text-transform: uppercase;
    letter-spacing: 0.06em;
    color: var(--gray);
}
.summary-item__value {
    font-size: 14.5px;
    font-weight: var(--fw-semi);
    color: var(--dark);
}

/* --- Footer ----------------------------------------------- */
.footer {
    background: var(--dark);
    padding: 24px 32px;
}
.footer__inner {
    max-width: 1100px;
    margin: 0 auto;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
}
.footer__logo {
    height: 30px;
    filter: brightness(0) invert(1);
}
.footer p {
    font-size: 12.5px;
    color: rgba(255,255,255,0.45);
}

/* --- Responsive ------------------------------------------- */
@media (max-width: 900px) {
    .hero__inner { grid-template-columns: 1fr; }
    .hero__image-wrap { display: none; }
    .form-section__inner { padding: 32px 24px 40px; }
    .fields-grid { grid-template-columns: 1fr; }
    .schedule-group { grid-template-columns: 1fr; }
    .sede-grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 560px) {
    .form-section { padding: 24px 16px 60px; }
    .form-section__inner { padding: 24px 16px 32px; }
    .sede-grid { grid-template-columns: 1fr; }
    .hero { padding: 40px 16px; }
    .option-group { flex-direction: column; }
    .footer__inner { flex-direction: column; text-align: center; }
    .success-summary { grid-template-columns: 1fr; }
}