/* ===== Alfa Vegano — Landing Page Styles ===== */

:root {
  --bg: #0b0f0c;
  --bg-alt: #12160f;
  --bg-card: #171c15;
  --green: #8ee34c;
  --green-dark: #5fa62f;
  --white: #f4f6f1;
  --muted: #a9b3a2;
  --line: rgba(244, 246, 241, 0.1);
  --radius: 4px;
  --maxw: 1200px;
  --ff-head: "Oswald", "Arial Narrow", sans-serif;
  --ff-body: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

* { box-sizing: border-box; margin: 0; padding: 0; }

html { scroll-behavior: smooth; }

body {
  background: var(--bg);
  color: var(--white);
  font-family: var(--ff-body);
  line-height: 1.6;
  overflow-x: hidden;
}

img { max-width: 100%; display: block; }

.container {
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 0 24px;
}

a { color: inherit; text-decoration: none; }

.eyebrow {
  display: inline-block;
  font-family: var(--ff-head);
  font-size: 13px;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--green);
  margin-bottom: 14px;
  font-weight: 600;
}

h1, h2, h3, h4 {
  font-family: var(--ff-head);
  text-transform: uppercase;
  font-weight: 700;
  line-height: 1.08;
  letter-spacing: 0.01em;
}

h2 {
  font-size: clamp(30px, 4.2vw, 46px);
}

.section-head {
  text-align: center;
  max-width: 640px;
  margin: 0 auto 56px;
}

.section-head p {
  color: var(--muted);
  font-size: 17px;
  margin-top: 14px;
}

.underline {
  width: 56px;
  height: 3px;
  background: var(--green);
  margin: 18px auto 0;
}

section { position: relative; }

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-family: var(--ff-head);
  font-size: 15px;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  font-weight: 600;
  padding: 16px 30px;
  border-radius: var(--radius);
  transition: transform 0.15s ease, box-shadow 0.15s ease, background 0.15s ease;
  border: 2px solid transparent;
  cursor: pointer;
}

.btn-primary {
  background: var(--green);
  color: #0b0f0c;
  box-shadow: 0 8px 24px rgba(142, 227, 76, 0.25);
}
.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 12px 30px rgba(142, 227, 76, 0.35); }

.btn-outline {
  border-color: var(--white);
  color: var(--white);
}
.btn-outline:hover { border-color: var(--green); color: var(--green); }

.btn-dark {
  background: #0b0f0c;
  color: var(--green);
}
.btn-dark:hover { transform: translateY(-2px); }

/* ---------- Header ---------- */
.site-header {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  background: rgba(11, 15, 12, 0.85);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--line);
}

.site-header .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 78px;
}

.logo {
  font-family: var(--ff-head);
  font-size: 22px;
  text-transform: uppercase;
  letter-spacing: 0.03em;
  font-weight: 700;
}
.logo span { color: var(--green); }

.nav-links {
  display: flex;
  gap: 34px;
  list-style: none;
}
.nav-links a {
  font-family: var(--ff-head);
  font-size: 13px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--muted);
  font-weight: 600;
  transition: color 0.15s ease;
}
.nav-links a:hover { color: var(--green); }

.nav-cta { display: flex; align-items: center; gap: 20px; }
.nav-cta .btn { padding: 11px 22px; font-size: 13px; }

.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 6px;
}
.nav-toggle span {
  width: 24px; height: 2px; background: var(--white);
}

/* ---------- Hero ---------- */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  background:
    radial-gradient(1100px 700px at 15% 20%, rgba(142,227,76,0.10), transparent 60%),
    linear-gradient(180deg, #0b0f0c 0%, #0e130d 100%);
  overflow: hidden;
  padding-top: 78px;
}

.hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(244,246,241,0.035) 1px, transparent 1px),
    linear-gradient(90deg, rgba(244,246,241,0.035) 1px, transparent 1px);
  background-size: 42px 42px;
  mask-image: linear-gradient(180deg, transparent, rgba(0,0,0,0.6) 40%, transparent 90%);
  pointer-events: none;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  align-items: flex-end;
  gap: 20px;
  width: 100%;
}

.hero-copy {
  position: relative;
  z-index: 2;
  padding: 60px 0 80px;
}

.hero-copy h1 {
  font-size: clamp(40px, 6vw, 74px);
  margin-bottom: 22px;
}
.hero-copy h1 .accent { color: var(--green); }

.hero-copy .lead {
  color: var(--muted);
  font-size: 18px;
  max-width: 480px;
  margin-bottom: 34px;
}

.hero-actions { display: flex; gap: 16px; flex-wrap: wrap; margin-bottom: 42px; }

.hero-stats {
  display: flex;
  gap: 36px;
  flex-wrap: wrap;
}
.hero-stats div strong {
  display: block;
  font-family: var(--ff-head);
  font-size: 28px;
  color: var(--green);
}
.hero-stats div span {
  font-size: 12px;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--muted);
}

.hero-media {
  position: relative;
  height: 100%;
  display: flex;
  align-items: flex-end;
  justify-content: flex-end;
}

.hero-media .glow {
  position: absolute;
  right: 8%;
  bottom: 0;
  width: 70%;
  height: 60%;
  background: radial-gradient(circle, rgba(142,227,76,0.25), transparent 70%);
  filter: blur(30px);
  z-index: 0;
}

.hero-media img {
  position: relative;
  z-index: 1;
  max-height: 92vh;
  width: auto;
  margin-left: auto;
  object-fit: cover;
  mask-image: linear-gradient(180deg, black 85%, transparent 100%);
  -webkit-mask-image: linear-gradient(180deg, black 85%, transparent 100%);
}

.hero-tag {
  position: absolute;
  z-index: 3;
  background: var(--bg-card);
  border: 1px solid var(--line);
  padding: 14px 18px;
  border-radius: var(--radius);
  left: 0;
  bottom: 60px;
  max-width: 240px;
  box-shadow: 0 20px 40px rgba(0,0,0,0.4);
}
.hero-tag strong {
  display: block;
  font-family: var(--ff-head);
  color: var(--green);
  font-size: 14px;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  margin-bottom: 4px;
}
.hero-tag span { color: var(--muted); font-size: 13px; }

/* ---------- Como funciona ---------- */
.how {
  background: var(--bg-alt);
  padding: 110px 0;
}

.how-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}

.how-card {
  background: var(--bg-card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 34px 26px;
  position: relative;
  transition: transform 0.2s ease, border-color 0.2s ease;
}
.how-card:hover { transform: translateY(-6px); border-color: var(--green-dark); }

.how-num {
  font-family: var(--ff-head);
  font-size: 46px;
  color: var(--green);
  opacity: 0.35;
  margin-bottom: 14px;
}

.how-card h3 {
  font-size: 18px;
  margin-bottom: 10px;
}
.how-card p { color: var(--muted); font-size: 14.5px; }

/* ---------- Biografia ---------- */
.bio {
  padding: 110px 0;
  background: var(--bg);
}

.bio-grid {
  display: grid;
  grid-template-columns: 0.85fr 1.15fr;
  gap: 70px;
  align-items: center;
}

.bio-media { position: relative; }
.bio-media img {
  border-radius: var(--radius);
  width: 100%;
  height: 560px;
  object-fit: cover;
  object-position: 50% 15%;
}
.bio-media::before {
  content: "";
  position: absolute;
  top: -18px; left: -18px;
  width: 100%; height: 100%;
  border: 2px solid var(--green);
  border-radius: var(--radius);
  z-index: -1;
}

.bio-copy .eyebrow { margin-bottom: 10px; }
.bio-copy h2 { margin-bottom: 24px; }
.bio-copy p {
  color: var(--muted);
  font-size: 16px;
  margin-bottom: 18px;
}
.bio-copy strong { color: var(--white); }

.bio-badges {
  display: flex;
  gap: 14px;
  flex-wrap: wrap;
  margin-top: 28px;
}
.bio-badge {
  border: 1px solid var(--line);
  padding: 10px 16px;
  border-radius: 999px;
  font-size: 12.5px;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  font-family: var(--ff-head);
  color: var(--muted);
}
.bio-badge span { color: var(--green); }

/* ---------- Planos ---------- */
.plans {
  background: var(--bg-alt);
  padding: 110px 0;
}

.plans-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 30px;
  max-width: 940px;
  margin: 0 auto;
}

.plan-card {
  background: var(--bg-card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 42px 36px;
  display: flex;
  flex-direction: column;
  position: relative;
  overflow: hidden;
}

.plan-card.featured {
  border-color: var(--green);
  box-shadow: 0 20px 60px rgba(142,227,76,0.12);
}

.plan-tag {
  position: absolute;
  top: 0; right: 0;
  background: var(--green);
  color: #0b0f0c;
  font-family: var(--ff-head);
  font-size: 11.5px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  font-weight: 700;
  padding: 8px 18px;
  border-bottom-left-radius: var(--radius);
}

.plan-card h3 {
  font-size: 15px;
  color: var(--green);
  letter-spacing: 0.08em;
  margin-bottom: 8px;
}

.plan-card .plan-title {
  font-size: 26px;
  margin-bottom: 18px;
}

.plan-card .plan-desc {
  color: var(--muted);
  font-size: 14.5px;
  margin-bottom: 26px;
}

.plan-list {
  list-style: none;
  margin-bottom: 34px;
  flex: 1;
}
.plan-list li {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  font-size: 14.5px;
  color: var(--white);
  padding: 10px 0;
  border-bottom: 1px solid var(--line);
}
.plan-list li:last-child { border-bottom: none; }
.plan-list li::before {
  content: "✓";
  color: var(--green);
  font-weight: 700;
  flex-shrink: 0;
}
.plan-list li.muted { color: var(--muted); }
.plan-list li.muted::before { content: "＋"; color: var(--muted); }

.plan-card .btn { width: 100%; justify-content: center; }

/* ---------- CTA ---------- */
.cta {
  padding: 120px 0;
  background: linear-gradient(120deg, #0e150c 0%, #14200f 100%);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  text-align: center;
  position: relative;
  overflow: hidden;
}
.cta::before {
  content: "";
  position: absolute;
  width: 600px; height: 600px;
  background: radial-gradient(circle, rgba(142,227,76,0.18), transparent 70%);
  top: -200px; left: 50%;
  transform: translateX(-50%);
  filter: blur(10px);
}

.cta-inner { position: relative; z-index: 1; max-width: 700px; margin: 0 auto; }

.cta h2 { margin-bottom: 20px; }
.cta p { color: var(--muted); font-size: 17px; margin-bottom: 40px; }

.cta-actions { display: flex; justify-content: center; gap: 18px; flex-wrap: wrap; }

/* ---------- Footer ---------- */
.site-footer {
  background: var(--bg);
  padding: 46px 0;
  border-top: 1px solid var(--line);
  text-align: center;
}
.site-footer .logo { justify-content: center; display: inline-flex; margin-bottom: 12px; }
.site-footer p { color: var(--muted); font-size: 13px; }

/* ---------- Responsive ---------- */
@media (max-width: 980px) {
  .hero-grid { grid-template-columns: 1fr; }
  .hero-media { justify-content: center; margin-top: 20px; }
  .hero-media img { max-height: 60vh; }
  .hero-copy { padding-bottom: 20px; text-align: center; }
  .hero-copy .lead { margin-left: auto; margin-right: auto; }
  .hero-actions, .hero-stats { justify-content: center; }
  .hero-tag { display: none; }

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

  .bio-grid { grid-template-columns: 1fr; }
  .bio-media { order: -1; }
  .bio-media img { height: 420px; }
  .bio-media::before { display: none; }

  .plans-grid { grid-template-columns: 1fr; }

  .nav-links, .nav-cta .btn-outline { display: none; }
  .nav-toggle { display: flex; }

  .nav-links.open {
    display: flex;
    flex-direction: column;
    position: absolute;
    top: 78px;
    left: 0; right: 0;
    background: var(--bg-alt);
    border-bottom: 1px solid var(--line);
    padding: 24px;
    gap: 20px;
  }
  .nav-cta.open .btn-outline {
    display: inline-flex;
  }
  .nav-toggle.active span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
  .nav-toggle.active span:nth-child(2) { opacity: 0; }
  .nav-toggle.active span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }
}

@media (max-width: 560px) {
  .how-grid { grid-template-columns: 1fr; }
  .hero-stats { gap: 24px; }
}