/* =============================================================================
   Dreamvora — Main stylesheet (custom design system, mobile-first)
   Depends on tokens.css. No framework; keeps the shared-hosting footprint tiny
   and the look distinctive (not a generic template).
   ============================================================================= */

/* --- Reset ------------------------------------------------------------- */
*, *::before, *::after { box-sizing: border-box; }
* { margin: 0; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
@media (prefers-reduced-motion: reduce) {
    html { scroll-behavior: auto; }
    *, *::before, *::after { animation-duration: .001ms !important; animation-iteration-count: 1 !important; transition-duration: .001ms !important; }
}
body {
    font-family: var(--font-sans);
    font-size: var(--fs-body);
    line-height: var(--lh-base);
    color: var(--text);
    background: var(--background);
    -webkit-font-smoothing: antialiased;
    text-rendering: optimizeLegibility;
    overflow-x: hidden;
}
img, svg, video { display: block; max-width: 100%; height: auto; }
a { color: inherit; text-decoration: none; }
button { font: inherit; cursor: pointer; }
ul, ol { list-style: none; padding: 0; }
:focus-visible { outline: 3px solid var(--accent); outline-offset: 2px; border-radius: 4px; }

/* --- Typography -------------------------------------------------------- */
h1, h2, h3, h4 { font-family: var(--font-display); line-height: var(--lh-tight); font-weight: var(--fw-semibold); color: var(--primary); }
h1 { font-size: var(--fs-h1); letter-spacing: -0.02em; }
h2 { font-size: var(--fs-h2); letter-spacing: -0.01em; }
h3 { font-size: var(--fs-h3); }
p { color: var(--text); }
.lead { font-size: var(--fs-lead); color: var(--text-muted); line-height: var(--lh-snug); }
.text-muted { color: var(--text-muted); }
.eyebrow {
    display: inline-block; font-family: var(--font-display);
    font-size: var(--fs-caption); font-weight: var(--fw-semibold);
    letter-spacing: .12em; text-transform: uppercase; color: var(--accent-dark);
}

/* --- Layout ------------------------------------------------------------ */
.container { width: 100%; max-width: var(--container-width); margin-inline: auto; padding-inline: var(--space-5); }
.container-narrow { max-width: var(--container-narrow); }
.section { padding-block: var(--space-8); }
.section--soft { background: var(--background-soft); }
.section--dark { background: var(--primary); color: var(--text-invert); }
.section--dark h1, .section--dark h2, .section--dark h3 { color: var(--text-invert); }
.section-head { max-width: 640px; margin-bottom: var(--space-6); }
.section-head--center { margin-inline: auto; text-align: center; }
.section-head h2 { margin-top: var(--space-2); }
.section-head p { margin-top: var(--space-3); color: var(--text-muted); }

.grid { display: grid; gap: var(--space-5); }
.grid-2 { grid-template-columns: repeat(2, 1fr); }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-4 { grid-template-columns: repeat(4, 1fr); }

/* --- Buttons ----------------------------------------------------------- */
.btn {
    display: inline-flex; align-items: center; justify-content: center; gap: .55em;
    padding: .8rem 1.5rem; min-height: 48px;
    font-family: var(--font-display); font-weight: var(--fw-semibold); font-size: var(--fs-small);
    border: 2px solid transparent; border-radius: var(--radius-pill);
    transition: transform var(--transition-fast), background var(--transition), color var(--transition), border-color var(--transition), box-shadow var(--transition);
    text-align: center; line-height: 1;
}
.btn:active { transform: translateY(1px); }
.btn i { font-size: 1.1em; }

.btn-primary { background: var(--primary); color: var(--text-invert); }
.btn-primary:hover { background: var(--accent-dark); }

.btn-accent { background: var(--accent); color: #fff; }
.btn-accent:hover { background: var(--accent-dark); box-shadow: var(--shadow-md); }

.btn-outline { border-color: var(--border-strong); color: var(--primary); background: transparent; }
.btn-outline:hover { border-color: var(--primary); background: var(--primary); color: var(--text-invert); }

.btn-outline-invert { border-color: rgba(255,255,255,.4); color: #fff; }
.btn-outline-invert:hover { background: #fff; color: var(--primary); border-color: #fff; }

.btn-whatsapp { background: #25D366; color: #fff; }
.btn-whatsapp:hover { background: #1da851; box-shadow: var(--shadow-md); }

.btn-text { color: var(--accent-dark); padding-inline: 0; min-height: auto; border-radius: 4px; }
.btn-text:hover { color: var(--primary); }
.btn-text i { transition: transform var(--transition-fast); }
.btn-text:hover i { transform: translateX(3px); }

.btn:disabled, .btn[aria-disabled="true"] { opacity: .6; cursor: not-allowed; pointer-events: none; }
.btn-block { width: 100%; }
.btn-group { display: flex; flex-wrap: wrap; gap: var(--space-3); }

/* --- Header ------------------------------------------------------------ */
.site-header {
    position: sticky; top: 0; z-index: 100;
    background: rgba(255,255,255,.9); backdrop-filter: saturate(140%) blur(10px);
    border-bottom: 1px solid transparent;
    transition: box-shadow var(--transition), border-color var(--transition), background var(--transition);
}
.site-header.is-scrolled { box-shadow: var(--shadow-sm); border-bottom-color: var(--border); background: rgba(255,255,255,.96); }
.header-inner { display: flex; align-items: center; justify-content: space-between; gap: var(--space-5); height: var(--header-height); }
.brand { display: inline-flex; align-items: center; gap: .6rem; }
.brand__logo { height: 72px; width: auto; }
.brand__fallback { font-family: var(--font-display); font-weight: var(--fw-bold); font-size: 1.4rem; color: var(--primary); letter-spacing: -.01em; }
.brand__fallback small { display: block; font-size: .6rem; font-weight: var(--fw-medium); letter-spacing: .14em; text-transform: uppercase; color: var(--text-muted); }

.primary-nav { display: flex; align-items: center; gap: var(--space-6); }
.primary-nav a { font-family: var(--font-display); font-weight: var(--fw-medium); font-size: var(--fs-small); color: var(--text); padding: .35rem 0; position: relative; }
.primary-nav a::after { content: ""; position: absolute; left: 0; right: 100%; bottom: -2px; height: 2px; background: var(--accent); transition: right var(--transition) var(--ease-out); }
.primary-nav a:hover::after, .primary-nav a.is-active::after { right: 0; }
.primary-nav a.is-active { color: var(--primary); font-weight: var(--fw-semibold); }
.header-actions { display: flex; align-items: center; gap: var(--space-4); }

.nav-toggle { display: none; width: 46px; height: 46px; align-items: center; justify-content: center; background: transparent; border: 1px solid var(--border); border-radius: var(--radius-sm); color: var(--primary); }
.nav-toggle i { font-size: 1.5rem; }

/* Mobile drawer */
.mobile-drawer { position: fixed; inset: 0; z-index: 200; visibility: hidden; }
.mobile-drawer[aria-hidden="false"] { visibility: visible; }
.mobile-drawer__overlay { position: absolute; inset: 0; background: rgba(0,0,0,.45); opacity: 0; transition: opacity var(--transition); }
.mobile-drawer__panel { position: absolute; top: 0; right: 0; height: 100%; width: min(84vw, 340px); background: var(--surface); box-shadow: var(--shadow-lg); transform: translateX(100%); transition: transform var(--transition) var(--ease-out); display: flex; flex-direction: column; padding: var(--space-5); }
.mobile-drawer[aria-hidden="false"] .mobile-drawer__overlay { opacity: 1; }
.mobile-drawer[aria-hidden="false"] .mobile-drawer__panel { transform: translateX(0); }
.mobile-drawer__head { display: flex; align-items: center; justify-content: space-between; margin-bottom: var(--space-5); }
.mobile-drawer__close { width: 44px; height: 44px; display: inline-flex; align-items: center; justify-content: center; border: 1px solid var(--border); border-radius: var(--radius-sm); background: transparent; font-size: 1.4rem; }
.mobile-nav { display: flex; flex-direction: column; }
.mobile-nav a { padding: var(--space-4) var(--space-2); font-family: var(--font-display); font-weight: var(--fw-medium); border-bottom: 1px solid var(--border); }
.mobile-nav a.is-active { color: var(--accent-dark); }
.mobile-drawer__cta { margin-top: var(--space-5); }

/* --- Hero -------------------------------------------------------------- */
.hero { position: relative; padding-block: var(--space-9); background: linear-gradient(180deg, var(--surface-alt), var(--background)); overflow: hidden; }
.hero__grid { display: grid; grid-template-columns: 1.05fr .95fr; gap: var(--space-7); align-items: center; }
.hero__content h1 { margin-block: var(--space-3) var(--space-4); }
.hero__content .lead { max-width: 46ch; }
.hero__cta { margin-top: var(--space-6); }
.hero__media { position: relative; }
.hero__media img { border-radius: var(--radius-lg); box-shadow: var(--shadow-lg); width: 100%; object-fit: cover; aspect-ratio: 4 / 3.4; background: var(--background-soft); }
.hero__placeholder { border-radius: var(--radius-lg); aspect-ratio: 4/3.4; background: repeating-linear-gradient(135deg, var(--accent-soft), var(--accent-soft) 12px, #fff 12px, #fff 24px); display: grid; place-items: center; color: var(--accent-dark); font-family: var(--font-display); text-align: center; padding: var(--space-6); border: 1px dashed var(--border-strong); }

/* --- Cards (course / category) ---------------------------------------- */
.card { background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius-lg); overflow: hidden; transition: transform var(--transition) var(--ease-out), box-shadow var(--transition), border-color var(--transition); height: 100%; display: flex; flex-direction: column; }
.card:hover { transform: translateY(-4px); box-shadow: var(--shadow-md); border-color: var(--border-strong); }
.card__media { aspect-ratio: 16/10; background: var(--background-soft); position: relative; overflow: hidden; }
.card__media img { width: 100%; height: 100%; object-fit: cover; transition: transform 400ms var(--ease-out); }
.card:hover .card__media img { transform: scale(1.05); }
.card__media-fallback { position: absolute; inset: 0; display: grid; place-items: center; color: var(--text-muted); background: linear-gradient(135deg, var(--surface-alt), var(--accent-soft)); }
.card__media-fallback i { font-size: 2.4rem; opacity: .5; }
.card__body { padding: var(--space-5); display: flex; flex-direction: column; gap: var(--space-2); flex: 1; }
.card__badge { align-self: flex-start; font-size: var(--fs-caption); font-weight: var(--fw-semibold); text-transform: uppercase; letter-spacing: .08em; color: var(--accent-dark); background: var(--accent-soft); padding: .3rem .7rem; border-radius: var(--radius-pill); }
.card__title { font-size: var(--fs-h3); }
.card__text { color: var(--text-muted); font-size: var(--fs-small); flex: 1; }
.card__meta { display: flex; align-items: center; gap: var(--space-2); color: var(--text-muted); font-size: var(--fs-small); }
.card__foot { margin-top: var(--space-3); }

/* Category card */
.cat-card { text-align: left; padding: var(--space-6); border-radius: var(--radius-lg); background: var(--surface); border: 1px solid var(--border); transition: transform var(--transition) var(--ease-out), box-shadow var(--transition); height: 100%; display: flex; flex-direction: column; gap: var(--space-3); }
.cat-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-md); }
.cat-card__icon { width: 56px; height: 56px; border-radius: var(--radius-md); display: grid; place-items: center; background: var(--accent-soft); color: var(--accent-dark); font-size: 1.6rem; }
.cat-card h3 { margin-top: var(--space-2); }
.cat-card p { color: var(--text-muted); font-size: var(--fs-small); flex: 1; }

/* Feature (why choose) */
.feature { display: flex; gap: var(--space-4); align-items: flex-start; }
.feature__icon { flex: none; width: 48px; height: 48px; border-radius: var(--radius-md); display: grid; place-items: center; background: var(--primary); color: #fff; font-size: 1.3rem; }
.feature h3 { font-size: var(--fs-lead); }
.feature p { color: var(--text-muted); font-size: var(--fs-small); }

/* Steps (how it works) */
.step { position: relative; padding: var(--space-6); background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius-lg); }
.step__num { font-family: var(--font-display); font-weight: var(--fw-bold); font-size: 2.4rem; color: var(--accent-soft); line-height: 1; }
.step h3 { margin-block: var(--space-2); }
.step p { color: var(--text-muted); font-size: var(--fs-small); }

/* --- Gallery ----------------------------------------------------------- */
.gallery-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: var(--space-3); }
.gallery-item { aspect-ratio: 1; border-radius: var(--radius-md); overflow: hidden; background: linear-gradient(135deg, var(--surface-alt), var(--accent-soft)); display: grid; place-items: center; color: var(--text-muted); }
.gallery-item img { width: 100%; height: 100%; object-fit: cover; transition: transform var(--transition) var(--ease-out); }
.gallery-item:hover img { transform: scale(1.06); }

/* --- CTA band ---------------------------------------------------------- */
.cta-band { background: var(--primary); color: var(--text-invert); border-radius: var(--radius-lg); padding: var(--space-8) var(--space-6); text-align: center; }
.cta-band h2 { color: #fff; }
.cta-band p { color: rgba(255,255,255,.8); max-width: 52ch; margin: var(--space-3) auto 0; }
.cta-band .btn-group { justify-content: center; margin-top: var(--space-6); }

/* --- Breadcrumb -------------------------------------------------------- */
.breadcrumb { display: flex; flex-wrap: wrap; gap: .4rem; align-items: center; font-size: var(--fs-small); color: var(--text-muted); padding-block: var(--space-4); }
.breadcrumb a:hover { color: var(--accent-dark); }
.breadcrumb i { font-size: .8rem; }

/* --- Forms ------------------------------------------------------------- */
.form-group { margin-bottom: var(--space-4); }
.form-label { display: block; font-family: var(--font-display); font-weight: var(--fw-medium); font-size: var(--fs-small); margin-bottom: var(--space-2); }
.form-label .req { color: var(--danger); }
.form-control { width: 100%; padding: .8rem 1rem; font: inherit; color: var(--text); background: var(--surface); border: 1px solid var(--border-strong); border-radius: var(--radius-md); transition: border-color var(--transition), box-shadow var(--transition); min-height: 48px; }
.form-control:focus { outline: none; border-color: var(--accent); box-shadow: 0 0 0 3px var(--accent-soft); }
textarea.form-control { min-height: 130px; resize: vertical; }
.form-error { color: var(--danger); font-size: var(--fs-small); margin-top: var(--space-1); }
.form-control.is-invalid { border-color: var(--danger); }
.honeypot { position: absolute; left: -9999px; width: 1px; height: 1px; overflow: hidden; }

/* --- Alerts ------------------------------------------------------------ */
.alert { padding: var(--space-4) var(--space-5); border-radius: var(--radius-md); border: 1px solid var(--border); font-size: var(--fs-small); display: flex; gap: var(--space-3); align-items: flex-start; }
.alert i { font-size: 1.2rem; flex: none; margin-top: .1rem; }
.alert-success { background: #eef7f1; border-color: #cfe8d9; color: #14663e; }
.alert-danger { background: #fdeef0; border-color: #f6d0d6; color: #a52130; }
.alert-info { background: var(--accent-soft); border-color: #ecd5be; color: var(--accent-dark); }

/* --- Contact info ------------------------------------------------------ */
.info-list { display: flex; flex-direction: column; gap: var(--space-4); }
.info-item { display: flex; gap: var(--space-4); align-items: flex-start; }
.info-item__icon { flex: none; width: 44px; height: 44px; border-radius: var(--radius-md); display: grid; place-items: center; background: var(--accent-soft); color: var(--accent-dark); font-size: 1.2rem; }
.info-item__label { font-size: var(--fs-caption); text-transform: uppercase; letter-spacing: .08em; color: var(--text-muted); }
.info-item a, .info-item span { font-weight: var(--fw-medium); }
.map-embed { border: 0; width: 100%; height: 340px; border-radius: var(--radius-lg); background: var(--background-soft); }
.map-placeholder { display: grid; place-items: center; color: var(--text-muted); text-align: center; padding: var(--space-6); border: 1px dashed var(--border-strong); }

/* --- Footer ------------------------------------------------------------ */
.site-footer { background: var(--primary); color: rgba(255,255,255,.75); padding-block: var(--space-8) var(--space-5); margin-top: var(--space-8); }
.footer-grid { display: grid; grid-template-columns: 1.5fr 1fr 1fr 1.4fr; gap: var(--space-6); }
.footer-brand__logo { height: 70px; width: auto; margin-bottom: var(--space-4); background: #fff; padding: 8px 12px; border-radius: var(--radius-md); }
.footer-brand__name { font-family: var(--font-display); font-weight: var(--fw-bold); color: #fff; font-size: 1.2rem; }
.footer-brand p { color: #fff;font-size: var(--fs-small); margin-top: var(--space-3); max-width: 34ch; text-align: justify; }
.footer-col h4 { color: #fff; font-size: var(--fs-small); text-transform: uppercase; letter-spacing: .1em; margin-bottom: var(--space-4); }
.footer-col ul { display: flex; flex-direction: column; gap: var(--space-3); }
.footer-col a { font-size: var(--fs-small); transition: color var(--transition-fast); }
.footer-col a:hover { color: #fff; }
.footer-contact li { display: flex; gap: .6rem; align-items: flex-start; font-size: var(--fs-small); margin-bottom: var(--space-3); }
.footer-contact i { color: var(--accent); margin-top: .15rem; }
.footer-social { display: flex; gap: var(--space-3); margin-top: var(--space-4); }
.footer-social a { width: 40px; height: 40px; border-radius: var(--radius-pill); border: 1px solid rgba(255,255,255,.2); display: grid; place-items: center; color: #fff; transition: background var(--transition), border-color var(--transition); }
.footer-social a:hover { background: var(--accent); border-color: var(--accent); }
.footer-bottom { border-top: 1px solid rgba(255,255,255,.12); margin-top: var(--space-7); padding-top: var(--space-5); display: flex; flex-wrap: wrap; gap: var(--space-3); justify-content: space-between; font-size: var(--fs-caption); }

/* --- Floating WhatsApp ------------------------------------------------- */
.wa-float { position: fixed; right: 20px; bottom: 20px; z-index: 150; display: inline-flex; align-items: center; gap: .6rem; background: #25D366; color: #fff; padding: .85rem 1.1rem; border-radius: var(--radius-pill); box-shadow: var(--shadow-lg); font-family: var(--font-display); font-weight: var(--fw-semibold); font-size: var(--fs-small); transition: transform var(--transition); }
.wa-float i { font-size: 1.5rem; }
.wa-float__label { max-width: 0; overflow: hidden; white-space: nowrap; opacity: 0; transition: max-width var(--transition), opacity var(--transition); }
.wa-float:hover { transform: translateY(-2px); }
.wa-float:hover .wa-float__label { max-width: 200px; opacity: 1; }
.wa-float::after { content: ""; position: absolute; inset: 0; border-radius: inherit; box-shadow: 0 0 0 0 rgba(37,211,102,.5); animation: wa-pulse 2.6s infinite; }
@keyframes wa-pulse { 0% { box-shadow: 0 0 0 0 rgba(37,211,102,.45); } 70% { box-shadow: 0 0 0 16px rgba(37,211,102,0); } 100% { box-shadow: 0 0 0 0 rgba(37,211,102,0); } }
@media (prefers-reduced-motion: reduce) { .wa-float::after { animation: none; } }

/* --- Page hero (inner pages) ------------------------------------------ */
.page-hero { background: var(--background-soft); border-bottom: 1px solid var(--border); padding-block: var(--space-7); }
.page-hero h1 { margin-top: var(--space-2); }
.page-hero p { margin-top: var(--space-3); max-width: 60ch; }
.founder-message { position: relative; padding: var(--space-6) var(--space-7); background: var(--surface); border-left: 4px solid var(--accent); border-radius: var(--radius-md); box-shadow: var(--shadow-sm); }
.founder-message p { color: var(--text-muted); font-size: var(--fs-lead); line-height: var(--lh-snug); }
.founder-message__icon { display: block; margin-bottom: var(--space-3); color: var(--accent-dark); font-size: 2rem; }
.founder-profile { display: flex; align-items: center; gap: var(--space-4); }
.founder-profile__photo { flex: none; width: 96px; height: 96px; object-fit: cover; border-radius: 50%; border: 3px solid var(--accent-soft); }
.founder-profile__photo--fallback { display: grid; place-items: center; background: var(--accent-soft); color: var(--accent-dark); font-size: 2.5rem; }
.founder-profile__details h3 { font-size: var(--fs-h3); }
.founder-profile__links { display: flex; gap: var(--space-3); margin-top: var(--space-2); }
.founder-profile__links a { display: grid; place-items: center; width: 40px; height: 40px; border-radius: 50%; background: var(--primary); color: #fff; font-size: 1.1rem; }
.founder-profile__links a:hover { background: var(--accent-dark); }
.founder-message__body { margin-top: var(--space-5); }

/* --- Filter chips ------------------------------------------------------ */
.filter-bar { display: flex; flex-wrap: wrap; gap: var(--space-3); margin-bottom: var(--space-6); }
.chip { padding: .55rem 1.1rem; border-radius: var(--radius-pill); border: 1px solid var(--border-strong); background: var(--surface); font-family: var(--font-display); font-weight: var(--fw-medium); font-size: var(--fs-small); color: var(--text); transition: all var(--transition); }
.chip:hover { border-color: var(--primary); }
.chip.is-active { background: var(--primary); color: #fff; border-color: var(--primary); }

/* --- Empty state ------------------------------------------------------- */
.empty-state { text-align: center; padding: var(--space-8) var(--space-5); color: var(--text-muted); }
.empty-state i { font-size: 2.6rem; color: var(--border-strong); }

/* --- Utilities --------------------------------------------------------- */
.text-center { text-align: center; }
.mt-0 { margin-top: 0; } .mt-4 { margin-top: var(--space-5); } .mt-6 { margin-top: var(--space-6); }
.dev-note { display: inline-block; font-size: var(--fs-caption); color: var(--warning); border: 1px dashed var(--warning); padding: .1rem .5rem; border-radius: 4px; }
.visually-hidden { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0,0,0,0); white-space: nowrap; border: 0; }

/* --- Scroll animations (progressive; no-JS shows everything) ----------- */
.reveal { opacity: 0; transform: translateY(16px); transition: opacity .6s var(--ease-out), transform .6s var(--ease-out); }
.reveal.is-visible { opacity: 1; transform: none; }
.no-js .reveal { opacity: 1; transform: none; }
@media (prefers-reduced-motion: reduce) { .reveal { opacity: 1; transform: none; } }

/* =============================================================================
   Responsive
   ============================================================================= */
@media (max-width: 992px) {
    .hero__grid { grid-template-columns: 1fr; }
    .hero__media { order: -1; max-width: 520px; }
    .footer-grid { grid-template-columns: 1fr 1fr; }
    .grid-4 { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 860px) {
    .primary-nav, .header-actions .btn { display: none; }
    .nav-toggle { display: inline-flex; }
    .grid-3 { grid-template-columns: repeat(2, 1fr); }
    .gallery-grid { grid-template-columns: repeat(3, 1fr); }
}
@media (max-width: 640px) {
    :root { --header-height: 76px; }
    .brand__logo { height: 54px; }
    .section { padding-block: var(--space-7); }
    .grid-2, .grid-3, .grid-4 { grid-template-columns: 1fr; }
    .gallery-grid { grid-template-columns: repeat(2, 1fr); }
    .footer-grid { grid-template-columns: 1fr; gap: var(--space-5); }
    .btn { width: 100%; }
    .btn-group .btn { width: 100%; }
    .hero { padding-block: var(--space-7); }
    .wa-float__label { display: none; }
    .footer-bottom { justify-content: center; text-align: center; }
}