/* ============================================================
   BFC Influenciadores – style.css
   Mobile-first · dark theme · green accent palette
   ============================================================ */

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

/* ---------- DESIGN TOKENS ---------- */
:root {
  --bg:           #0a0a0a;
  --bg-alt:       #0e0e0e;
  --bg-card:      #141414;
  --accent:       #03ca60;
  --accent-light: #04e06e;
  --accent-glow:  rgba(3, 202, 96, 0.35);
  --gold:         #03ca60;
  --gold-glow:    rgba(3, 202, 96, 0.35);
  --border:       rgba(3, 202, 96, 0.18);
  --text:         #f0ede8;
  --text-muted:   #7a7570;
  --font-display: 'Anton', sans-serif;
  --font-heading: 'Oswald', sans-serif;
  --font-body:    'Inter', sans-serif;
  --max-w:        1200px;
  --section-py:   5rem;
}

/* ---------- BASE ---------- */
html { scroll-behavior: smooth; }

body {
  background-color: var(--bg);
  color: var(--text);
  font-family: var(--font-body);
  line-height: 1.65;
  overflow-x: hidden;
}

/* Grain texture overlay */
body::after {
  content: '';
  position: fixed;
  inset: 0;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='300' height='300'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.75' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='300' height='300' filter='url(%23n)' opacity='0.05'/%3E%3C/svg%3E");
  pointer-events: none;
  z-index: 9999;
  opacity: 0.45;
}

/* ---------- UTILITIES ---------- */
.container {
  width: 90%;
  max-width: var(--max-w);
  margin-inline: auto;
}

.accent   { color: var(--accent-light); }
.highlight {
  color: var(--accent);
  -webkit-text-stroke: 1px rgba(3, 202, 96, 0.4);
}

/* ---------- FADE-IN ON SCROLL ---------- */
.fade-in-section {
  opacity: 0;
  transform: translateY(36px);
  transition: opacity 0.75s ease, transform 0.75s ease;
}
.fade-in-section.visible {
  opacity: 1;
  transform: translateY(0);
}

/* ============================================================
   HERO
   ============================================================ */
.hero {
  min-height: 100svh;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 3rem 1.5rem 5rem;
  position: relative;
  background:
    radial-gradient(ellipse 80% 55% at 50% -5%, rgba(3,202,96,0.12) 0%, transparent 65%),
    var(--bg);
  overflow: hidden;
}

/* Horizontal accent line at bottom */
.hero::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 50%;
  translate: -50% 0;
  width: 55%;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--accent), var(--accent-light), var(--accent), transparent);
}

.hero__inner {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 2.5rem;
}

.hero__logo {
  width: clamp(140px, 30vw, 260px);
  height: auto;
  filter: drop-shadow(0 0 30px rgba(3, 202, 96, 0.55));
  animation: logoPulse 4s ease-in-out infinite;
}

@keyframes logoPulse {
  0%, 100% { filter: drop-shadow(0 0 28px rgba(3, 202, 96, 0.55)); }
  50%       { filter: drop-shadow(0 0 50px rgba(4, 224, 110, 0.80)); }
}

.hero__headline {
  font-family: var(--font-display);
  font-size: clamp(2.6rem, 9vw, 7rem);
  line-height: 1.0;
  letter-spacing: 0.025em;
  text-transform: uppercase;
}

.hero__scroll-hint {
  position: absolute;
  bottom: 1.8rem;
  left: 50%;
  translate: -50% 0;
  font-size: 1.3rem;
  color: var(--text-muted);
  animation: nudge 2.5s ease-in-out infinite;
}

@keyframes nudge {
  0%, 100% { transform: translateY(0);   opacity: 0.5; }
  50%       { transform: translateY(8px); opacity: 1;   }
}

/* ============================================================
   WELCOME
   ============================================================ */
.welcome {
  padding: var(--section-py) 0;
  border-top: 1px solid var(--border);
}

.welcome__text {
  font-family: var(--font-heading);
  font-size: clamp(1.25rem, 3.2vw, 1.9rem);
  font-weight: 400;
  line-height: 1.75;
  text-align: center;
  max-width: 740px;
  margin-inline: auto;
}

.welcome__text strong { font-weight: 700; }

/* ============================================================
   NUMBERS
   ============================================================ */
.numbers {
  padding: var(--section-py) 0;
  background: var(--bg-alt);
  border-block: 1px solid var(--border);
  position: relative;
  overflow: hidden;
}

/* Subtle center glow */
.numbers::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse 65% 50% at 50% 50%, rgba(3,202,96,0.05) 0%, transparent 70%);
  pointer-events: none;
}

.numbers__title {
  font-family: var(--font-heading);
  font-size: clamp(0.75rem, 1.8vw, 1rem);
  font-weight: 600;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  text-align: center;
  color: var(--text-muted);
  margin-bottom: 3rem;
}

.numbers__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.25rem;
}

.numbers__card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 3px;
  padding: 2.5rem 1.5rem;
  text-align: center;
  position: relative;
  overflow: hidden;
  transition: transform 0.3s ease, border-color 0.3s ease, box-shadow 0.3s ease;
}

/* Top accent bar */
.numbers__card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 2px;
  background: linear-gradient(90deg, transparent, var(--accent), var(--accent-light), var(--accent), transparent);
}

.numbers__card:hover {
  transform: translateY(-5px);
  border-color: rgba(3, 202, 96, 0.45);
  box-shadow: 0 12px 40px rgba(0,0,0,0.4), 0 0 0 1px rgba(3,202,96,0.15);
}

.numbers__icon {
  display: block;
  font-size: 1.6rem;
  margin-bottom: 1rem;
  opacity: 0.75;
}

.numbers__value {
  font-family: var(--font-display);
  font-size: clamp(3.5rem, 10vw, 5.5rem);
  line-height: 1;
  color: var(--accent);
  text-shadow: 0 0 40px var(--accent-glow);
  margin-bottom: 0.6rem;
  min-width: 5ch;
  display: inline-block;
}

.numbers__label {
  font-family: var(--font-heading);
  font-size: 0.85rem;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--text-muted);
}

/* ============================================================
   ABOUT
   ============================================================ */
.about {
  padding: var(--section-py) 0;
}

.about__title {
  font-family: var(--font-display);
  font-size: clamp(2rem, 5.5vw, 3.8rem);
  text-align: center;
  letter-spacing: 0.03em;
  margin-bottom: 1.25rem;
}

.about__lead {
  font-family: var(--font-heading);
  font-size: clamp(1rem, 2.4vw, 1.25rem);
  font-weight: 400;
  text-align: center;
  max-width: 680px;
  margin-inline: auto;
  margin-bottom: 3rem;
  color: var(--text-muted);
  line-height: 1.75;
}

.about__cards {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1rem;
  margin-bottom: 2.5rem;
}

.about__card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 3px;
  padding: 1.5rem 1.25rem;
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
  transition: border-color 0.3s ease, transform 0.3s ease;
}

.about__card:hover {
  border-color: rgba(3, 202, 96, 0.4);
  transform: translateY(-3px);
}

.about__card-icon { font-size: 1.5rem; }

.about__card strong {
  font-family: var(--font-heading);
  font-size: 1rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--text);
}

.about__card p {
  font-size: 0.9rem;
  color: var(--text-muted);
  line-height: 1.55;
}

.about__free {
  font-family: var(--font-heading);
  font-size: clamp(1.1rem, 2.4vw, 1.35rem);
  text-align: center;
  color: var(--text-muted);
}

/* ============================================================
   CTA
   ============================================================ */
.cta {
  padding: var(--section-py) 0;
  background: var(--bg-alt);
  border-top: 1px solid var(--border);
  text-align: center;
}

.cta__title {
  font-family: var(--font-display);
  font-size: clamp(2.2rem, 7vw, 4.5rem);
  letter-spacing: 0.03em;
  line-height: 1.1;
  margin-bottom: 2.5rem;
}

.cta__btn {
  display: inline-block;
  background: var(--accent);
  color: #fff;
  font-family: var(--font-display);
  font-size: clamp(1.15rem, 3.5vw, 1.7rem);
  letter-spacing: 0.1em;
  text-decoration: none;
  padding: 1.1rem 3.5rem;
  border-radius: 3px;
  border: 2px solid var(--accent);
  position: relative;
  overflow: hidden;
  transition: background 0.25s ease, border-color 0.25s ease,
              box-shadow 0.25s ease, transform 0.2s ease;
}

/* Shimmer on hover */
.cta__btn::before {
  content: '';
  position: absolute;
  top: 0; left: -75%;
  width: 50%; height: 100%;
  background: linear-gradient(120deg, transparent 0%, rgba(255,255,255,0.14) 50%, transparent 100%);
  transform: skewX(-20deg);
  transition: left 0.5s ease;
}
.cta__btn:hover::before { left: 125%; }

.cta__btn:hover {
  background: var(--accent-light);
  border-color: var(--accent-light);
  box-shadow:
    0 0 30px var(--accent-glow),
    0 0 70px rgba(3, 202, 96, 0.18),
    0 8px 32px rgba(0,0,0,0.35);
  transform: scale(1.04);
}

.cta__btn:active { transform: scale(0.97); }

.cta__micro {
  margin-top: 1.25rem;
  font-size: 0.875rem;
  color: var(--text-muted);
  letter-spacing: 0.04em;
}

/* ============================================================
   FORM SECTION
   ============================================================ */
.form-section {
  padding: var(--section-py) 0;
  border-top: 1px solid var(--border);
  background: var(--bg-alt);
}

.form-section__title {
  font-family: var(--font-display);
  font-size: clamp(2rem, 5.5vw, 3.5rem);
  text-align: center;
  letter-spacing: 0.03em;
  margin-bottom: 0.75rem;
}

.form-section__subtitle {
  font-family: var(--font-heading);
  font-size: 1.1rem;
  text-align: center;
  color: var(--text-muted);
  margin-bottom: 3rem;
}

/* ----- FORM LAYOUT ----- */
.bfc-form {
  max-width: 780px;
  margin-inline: auto;
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}

.form-row {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.25rem;
}

@media (min-width: 640px) {
  .form-row { grid-template-columns: repeat(2, 1fr); }
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 0.45rem;
}

.form-group label {
  font-family: var(--font-heading);
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text);
}

.req { color: var(--accent); }

.label-opt {
  font-family: var(--font-body);
  font-weight: 400;
  font-size: 0.78rem;
  letter-spacing: 0;
  text-transform: none;
  color: var(--text-muted);
}

/* ----- INPUTS & SELECT ----- */
.form-group input,
.form-group select {
  background: #1a1a1a;
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 3px;
  color: var(--text);
  font-family: var(--font-body);
  font-size: 1rem;
  padding: 0.8rem 1rem;
  width: 100%;
  outline: none;
  transition: border-color 0.25s ease, box-shadow 0.25s ease;
  -webkit-appearance: none;
  appearance: none;
}

.form-group input::placeholder { color: var(--text-muted); opacity: 0.55; }

/* Date picker icon */
.form-group input[type="date"]::-webkit-calendar-picker-indicator {
  filter: invert(0.5);
  cursor: pointer;
}

/* Custom select arrow */
.form-group select {
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='10' height='7' viewBox='0 0 10 7'%3E%3Cpath fill='%237a7570' d='M5 7L0 0h10z'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 1rem center;
  padding-right: 2.5rem;
  cursor: pointer;
}

.form-group select option { background: #1a1a1a; color: var(--text); }

/* Focus state */
.form-group input:focus,
.form-group select:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(3, 202, 96, 0.14), 0 0 14px rgba(3, 202, 96, 0.08);
}

/* Invalid state */
.form-group input.invalid,
.form-group select.invalid {
  border-color: #e05050;
  box-shadow: 0 0 0 3px rgba(220, 50, 50, 0.14);
}

/* ----- SUBMIT BUTTON ----- */
.form-submit {
  background: var(--accent);
  color: #fff;
  font-family: var(--font-display);
  font-size: clamp(1.1rem, 3vw, 1.5rem);
  letter-spacing: 0.1em;
  border: 2px solid var(--accent);
  border-radius: 3px;
  padding: 1rem 2.5rem;
  cursor: pointer;
  width: 100%;
  margin-top: 0.5rem;
  position: relative;
  overflow: hidden;
  transition: background 0.25s ease, border-color 0.25s ease,
              box-shadow 0.25s ease, transform 0.2s ease;
}

.form-submit::before {
  content: '';
  position: absolute;
  top: 0; left: -75%;
  width: 50%; height: 100%;
  background: linear-gradient(120deg, transparent 0%, rgba(255,255,255,0.12) 50%, transparent 100%);
  transform: skewX(-20deg);
  transition: left 0.5s ease;
}
.form-submit:hover::before { left: 125%; }

.form-submit:hover:not(:disabled) {
  background: var(--accent-light);
  border-color: var(--accent-light);
  box-shadow:
    0 0 30px var(--accent-glow),
    0 0 70px rgba(3, 202, 96, 0.15),
    0 8px 32px rgba(0,0,0,0.3);
  transform: scale(1.02);
}

.form-submit:disabled {
  opacity: 0.55;
  cursor: not-allowed;
  transform: none;
}

/* ----- FEEDBACK MESSAGES ----- */
.success-message,
.error-message {
  display: none;
  max-width: 780px;
  margin-inline: auto;
  margin-top: 1.5rem;
  padding: 1.5rem 2rem;
  border-radius: 3px;
  text-align: center;
  animation: fadeSlideUp 0.45s ease forwards;
}

@keyframes fadeSlideUp {
  from { opacity: 0; transform: translateY(12px); }
  to   { opacity: 1; transform: translateY(0); }
}

.success-message.show { display: block; }
.error-message.show   { display: block; }

.success-message {
  background: rgba(3, 202, 96, 0.07);
  border: 1px solid rgba(3, 202, 96, 0.35);
}

.error-message {
  background: rgba(220, 50, 50, 0.07);
  border: 1px solid rgba(220, 50, 50, 0.35);
}

.success-message__icon {
  display: block;
  font-size: 2.5rem;
  color: var(--accent);
  margin-bottom: 0.5rem;
}

.success-message strong {
  font-family: var(--font-heading);
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--accent);
  display: block;
  margin-bottom: 0.4rem;
}

.error-message strong {
  font-family: var(--font-heading);
  font-size: 1.1rem;
  font-weight: 700;
  color: #e05050;
  display: block;
  margin-bottom: 0.3rem;
}

.success-message p,
.error-message p {
  font-size: 0.95rem;
  color: var(--text-muted);
}

/* ============================================================
   FOOTER
   ============================================================ */
.footer {
  padding: 3rem 0;
  border-top: 1px solid var(--border);
}

.footer__inner {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1.5rem;
  text-align: center;
}

.footer__logo {
  width: 80px;
  height: auto;
  opacity: 0.75;
  filter: drop-shadow(0 0 10px rgba(3, 202, 96, 0.3));
  transition: opacity 0.3s ease;
}
.footer__logo:hover { opacity: 1; }

.footer__socials {
  display: flex;
  gap: 1.5rem;
  align-items: center;
  list-style: none;
}

.footer__socials a {
  color: var(--text-muted);
  display: flex;
  align-items: center;
  transition: color 0.25s ease, transform 0.25s ease;
}
.footer__socials svg { width: 22px; height: 22px; }
.footer__socials a:hover {
  color: var(--accent-light);
  transform: translateY(-3px);
}

.face-icon {
  width: 22px;
  height: 22px;
  object-fit: contain;
  display: block;
  filter: grayscale(1) brightness(0.55);
  transition: filter 0.25s ease;
}
.footer__socials a:hover .face-icon {
  filter: grayscale(1) brightness(0.55) sepia(1) saturate(10) hue-rotate(95deg);
}

.footer__copy {
  font-size: 0.85rem;
  color: var(--text-muted);
  line-height: 1.5;
}

/* ============================================================
   RESPONSIVE – TABLET 768px+
   ============================================================ */
@media (min-width: 768px) {
  .numbers__grid {
    grid-template-columns: repeat(3, 1fr);
    gap: 1.5rem;
  }

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

/* ============================================================
   RESPONSIVE – DESKTOP 1024px+
   ============================================================ */
@media (min-width: 1024px) {
  .about__cards {
    grid-template-columns: repeat(4, 1fr);
  }
}

/* ============================================================
   REDUCED MOTION
   ============================================================ */
@media (prefers-reduced-motion: reduce) {
  .fade-in-section {
    opacity: 1;
    transform: none;
    transition: none;
  }
  .hero__logo        { animation: none; }
  .hero__scroll-hint { animation: none; }
  .cta__btn::before  { display: none; }
}