/* ============================================================
   FLUJOGYM — Global Reset & Base
   ============================================================ */

/* Inter is loaded via <link> in index.html <head> (no @import — avoids
   a duplicate, render-blocking fetch). */

/* ── Reset ────────────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html {
  scroll-behavior: smooth;
  scroll-padding-top: var(--nav-h);
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: var(--font-sans);
  font-size: var(--text-base);
  font-weight: var(--fw-normal);
  line-height: var(--lh-normal);
  color: var(--clr-text-1);
  background: var(--clr-bg);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}

img, video { display: block; max-width: 100%; height: auto; }
svg { display: block; }

a {
  color: inherit;
  text-decoration: none;
  transition: color var(--ease-fast);
}

button {
  font: inherit;
  cursor: pointer;
  border: none;
  background: none;
}

input, textarea, select {
  font: inherit;
  color: inherit;
}

ul, ol { list-style: none; }

/* ── Keyboard focus ───────────────────────────────────────── */
:focus-visible {
  outline: 2px solid var(--clr-primary);
  outline-offset: 2px;
  border-radius: var(--r-sm);
}
/* Inputs draw their own focus ring (box-shadow) — avoid doubling it. */
.field input:focus-visible,
.field textarea:focus-visible,
.field select:focus-visible,
.form-input:focus-visible { outline: none; }

h1, h2, h3, h4, h5, h6 {
  line-height: var(--lh-tight);
  font-weight: var(--fw-bold);
  letter-spacing: -.02em;
}

/* ── Container ────────────────────────────────────────────── */
.container {
  width: 100%;
  max-width: var(--container-max);
  margin-inline: auto;
  padding-inline: var(--container-px);
}

/* ── Utilities ────────────────────────────────────────────── */
.sr-only {
  position: absolute;
  width: 1px; height: 1px;
  padding: 0; margin: -1px;
  overflow: hidden;
  clip: rect(0,0,0,0);
  white-space: nowrap;
  border: 0;
}

.text-gradient {
  background: linear-gradient(135deg, var(--clr-primary) 0%, var(--clr-primary-light) 60%, #FBBF24 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

/* ── Icon ─────────────────────────────────────────────────── */
.icon { width: 1.25em; height: 1.25em; flex-shrink: 0; }
.icon--sm { width: 1em; height: 1em; }
.icon--lg { width: 1.5em; height: 1.5em; }

/* ── Section header ───────────────────────────────────────── */
.section-header {
  text-align: center;
  max-width: 660px;
  margin-inline: auto;
  margin-bottom: var(--sp-12);
}

.section-tag {
  display: inline-flex;
  align-items: center;
  gap: var(--sp-2);
  font-size: var(--text-xs);
  font-weight: var(--fw-semibold);
  letter-spacing: .12em;
  text-transform: uppercase;
  color: var(--clr-text-3);
  border: 1px solid var(--clr-border);
  border-radius: var(--r-full);
  padding: var(--sp-1) var(--sp-4);
  margin-bottom: var(--sp-4);
}

.section-tag--orange {
  color: var(--clr-primary);
  border-color: rgba(var(--clr-primary-rgb), .3);
  background: var(--clr-primary-subtle);
}

.section-title {
  font-size: clamp(var(--text-3xl), 4vw, var(--text-5xl));
  font-weight: var(--fw-extrabold);
  color: var(--clr-text-1);
  letter-spacing: -.03em;
  line-height: var(--lh-tight);
  margin-bottom: var(--sp-4);
}

.section-subtitle {
  font-size: var(--text-lg);
  color: var(--clr-text-2);
  line-height: var(--lh-relaxed);
  max-width: 560px;
  margin-inline: auto;
}

/* ── Badge ────────────────────────────────────────────────── */
.badge {
  display: inline-flex;
  align-items: center;
  gap: var(--sp-2);
  font-size: var(--text-sm);
  font-weight: var(--fw-medium);
  padding: var(--sp-2) var(--sp-4);
  border-radius: var(--r-full);
  background: var(--clr-primary-subtle);
  color: var(--clr-primary-dark);
}

.badge--outline {
  background: transparent;
  border: 1px solid rgba(var(--clr-primary-rgb), .35);
  color: var(--clr-primary);
}

/* ── Buttons ──────────────────────────────────────────────── */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--sp-2);
  font-weight: var(--fw-semibold);
  font-size: var(--text-base);
  padding: var(--sp-3) var(--sp-6);
  border-radius: var(--r-lg);
  border: 2px solid transparent;
  transition: all var(--ease-normal);
  cursor: pointer;
  white-space: nowrap;
  text-decoration: none;
  position: relative;
  overflow: hidden;
}

.btn::after {
  content: '';
  position: absolute;
  inset: 0;
  background: rgba(255,255,255,.08);
  opacity: 0;
  transition: opacity var(--ease-fast);
}

.btn:hover::after { opacity: 1; }

/* Primary */
.btn--primary {
  background: var(--clr-primary);
  color: var(--clr-white);
  box-shadow: var(--shadow-primary);
}
.btn--primary:hover {
  background: var(--clr-primary-hover);
  box-shadow: var(--shadow-primary-lg);
  transform: translateY(-1px);
}
.btn--primary:active { transform: translateY(0); }

/* Ghost (light background) */
.btn--ghost {
  background: var(--clr-surface);
  color: var(--clr-text-1);
  border-color: var(--clr-border);
}
.btn--ghost:hover {
  background: var(--clr-surface-2);
  border-color: var(--clr-primary);
  color: var(--clr-primary);
}

/* Outline */
.btn--outline {
  background: transparent;
  border-color: var(--clr-border-s);
  color: var(--clr-text-1);
}
.btn--outline:hover {
  border-color: var(--clr-primary);
  color: var(--clr-primary);
}

.btn--outline-light {
  background: transparent;
  border-color: rgba(255,255,255,.3);
  color: var(--clr-white);
}
.btn--outline-light:hover {
  border-color: rgba(255,255,255,.7);
  background: rgba(255,255,255,.06);
}

.btn--outline-white {
  background: transparent;
  border-color: rgba(255,255,255,.5);
  color: var(--clr-white);
}
.btn--outline-white:hover {
  border-color: var(--clr-white);
  background: rgba(255,255,255,.08);
}

/* White */
.btn--white {
  background: var(--clr-white);
  color: var(--clr-primary);
  font-weight: var(--fw-bold);
}
.btn--white:hover {
  background: var(--clr-primary-subtle);
  transform: translateY(-1px);
}

/* Sizes */
.btn--sm  { font-size: var(--text-sm); padding: var(--sp-2) var(--sp-4); }
.btn--lg  { font-size: var(--text-lg); padding: var(--sp-4) var(--sp-8); }
.btn--full { width: 100%; }
.btn--block { display: flex; width: 100%; }

/* Link-style button */
.btn--link {
  background: transparent;
  color: var(--clr-primary);
  padding: var(--sp-3) var(--sp-4);
  border: none;
}
.btn--link:hover { color: var(--clr-primary-hover); }

/* WhatsApp */
.btn--whatsapp {
  background: #25D366;
  color: #fff;
  box-shadow: 0 8px 24px rgba(37,211,102,.30);
}
.btn--whatsapp:hover {
  background: #1FB855;
  transform: translateY(-1px);
  box-shadow: 0 12px 32px rgba(37,211,102,.35);
}

/* ── Form elements ────────────────────────────────────────── */
.form-group { display: flex; flex-direction: column; gap: var(--sp-2); }

.form-label {
  font-size: var(--text-sm);
  font-weight: var(--fw-medium);
  color: var(--clr-text-2);
}

.form-input {
  width: 100%;
  padding: var(--sp-3) var(--sp-4);
  border: 1.5px solid var(--clr-border);
  border-radius: var(--r-md);
  font-size: var(--text-base);
  background: var(--clr-white);
  color: var(--clr-text-1);
  transition: border-color var(--ease-fast), box-shadow var(--ease-fast);
  outline: none;
}
.form-input:focus {
  border-color: var(--clr-primary);
  box-shadow: 0 0 0 3px var(--clr-primary-glow);
}
.form-input::placeholder { color: var(--clr-text-3); }

.form-error {
  font-size: var(--text-sm);
  color: var(--clr-error);
  min-height: 1.2em;
}

/* ── Modal overlay ────────────────────────────────────────── */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,.65);
  backdrop-filter: blur(6px);
  z-index: var(--z-modal);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--sp-4);
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--ease-normal);
}
.modal-overlay.is-open {
  opacity: 1;
  pointer-events: all;
}

.modal {
  background: var(--clr-white);
  border-radius: var(--r-2xl);
  box-shadow: var(--shadow-xl);
  max-width: 900px;
  width: 100%;
  max-height: 90vh;
  overflow-y: auto;
  position: relative;
  transform: translateY(20px);
  transition: transform var(--ease-slow);
}
.modal-overlay.is-open .modal { transform: translateY(0); }

.modal__close {
  position: absolute;
  top: var(--sp-4);
  right: var(--sp-4);
  width: 36px; height: 36px;
  border-radius: var(--r-md);
  background: var(--clr-surface);
  color: var(--clr-text-2);
  display: flex; align-items: center; justify-content: center;
  transition: background var(--ease-fast);
  z-index: 1;
}
.modal__close:hover { background: var(--clr-surface-2); }

/* ── Scrollbar ────────────────────────────────────────────── */
::-webkit-scrollbar { width: 6px; height: 6px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: var(--clr-border-s); border-radius: var(--r-full); }

/* ── Animations ───────────────────────────────────────────── */
@keyframes fadeUp {
  from { opacity: 0; transform: translateY(20px); }
  to   { opacity: 1; transform: translateY(0); }
}
@keyframes fadeIn {
  from { opacity: 0; }
  to   { opacity: 1; }
}
@keyframes pulse {
  0%, 100% { opacity: 1; }
  50%       { opacity: .5; }
}
@keyframes float {
  0%, 100% { transform: translateY(0); }
  50%       { transform: translateY(-8px); }
}
@keyframes shimmer {
  0%   { background-position: -200% 0; }
  100% { background-position:  200% 0; }
}

.animate-fade-up { animation: fadeUp .6s var(--ease-slow) both; }
.animate-fade-in { animation: fadeIn .5s ease both; }

/* Stagger delays */
.delay-1 { animation-delay: .1s; }
.delay-2 { animation-delay: .2s; }
.delay-3 { animation-delay: .3s; }
.delay-4 { animation-delay: .4s; }

/* ── Reduced motion ───────────────────────────────────────── */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after {
    animation-duration: .001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: .001ms !important;
    scroll-behavior: auto !important;
  }
}
