/* ==========================================================================
   Laura Catharina · Estrategista de YouTube · Portfolio
   ========================================================================== */

:root {
  --bg: #0a0a0d;
  --bg-alt: #111116;
  --surface: #18181f;
  --surface-2: #202029;
  --border: #2a2a34;

  --text-primary: #f7f7f9;
  --text-secondary: #a6a6b3;
  --text-muted: #6e6e7c;

  --accent-1: #ff3b5c;   /* pink-red */
  --accent-2: #ff7a45;   /* orange */
  --gold: #ffc857;
  --green: #33d17a;

  --erico: #ffa94d;
  --opago: #4fd1e8;

  --radius-lg: 24px;
  --radius-md: 16px;
  --radius-sm: 10px;

  --shadow-glow: 0 20px 60px -20px rgba(255, 59, 92, 0.35);

  --font-head: "Sora", "Inter", system-ui, sans-serif;
  --font-body: "Inter", system-ui, sans-serif;

  --maxw: 1160px;
}

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

html { scroll-behavior: smooth; }

body {
  background: var(--bg);
  color: var(--text-primary);
  font-family: var(--font-body);
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

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

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

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

section { position: relative; padding: 120px 0; }

h1, h2, h3, h4 { font-family: var(--font-head); font-weight: 700; letter-spacing: -0.02em; }

.accent { color: var(--accent-1); }

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--gold);
  margin-bottom: 18px;
}
.eyebrow::before {
  content: "";
  width: 8px; height: 8px;
  border-radius: 50%;
  background: var(--gold);
  box-shadow: 0 0 12px var(--gold);
}

.section-head { max-width: 640px; margin-bottom: 56px; }
.section-head h2 { font-size: clamp(30px, 4vw, 44px); margin-bottom: 14px; }
.section-head p { color: var(--text-secondary); font-size: 18px; }

/* ---------- background texture ---------- */
.glow {
  position: absolute;
  border-radius: 50%;
  filter: blur(90px);
  opacity: 0.35;
  pointer-events: none;
  z-index: 0;
}

/* ---------- buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 15px 28px;
  border-radius: 100px;
  font-weight: 700;
  font-size: 15px;
  font-family: var(--font-body);
  border: 1px solid transparent;
  cursor: pointer;
  transition: transform 0.25s ease, box-shadow 0.25s ease, background 0.25s ease, border-color .25s ease;
  white-space: nowrap;
}
.btn:hover { transform: translateY(-2px); }

.btn-primary {
  background: linear-gradient(135deg, var(--accent-1), var(--accent-2));
  color: #fff;
  box-shadow: var(--shadow-glow);
}
.btn-primary:hover { box-shadow: 0 24px 70px -18px rgba(255, 59, 92, 0.55); }

.btn-ghost {
  background: transparent;
  color: var(--text-primary);
  border-color: var(--border);
}
.btn-ghost:hover { border-color: var(--text-secondary); background: var(--surface); }

.btn-sm { padding: 10px 18px; font-size: 13px; }

/* ---------- header ---------- */
header.site {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  padding: 18px 0;
  background: rgba(10, 10, 13, 0.55);
  backdrop-filter: blur(16px);
  border-bottom: 1px solid transparent;
  transition: border-color .3s ease, background .3s ease;
}
header.site.scrolled { border-color: var(--border); background: rgba(10, 10, 13, 0.85); }

header.site .wrap {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.logo {
  font-family: var(--font-head);
  font-weight: 800;
  font-size: 18px;
  letter-spacing: -0.01em;
  display: flex;
  align-items: center;
  gap: 10px;
}
.logo .dot {
  width: 10px; height: 10px; border-radius: 50%;
  background: linear-gradient(135deg, var(--accent-1), var(--gold));
  box-shadow: 0 0 14px var(--accent-1);
}

nav.main-nav { display: flex; align-items: center; gap: 32px; }
nav.main-nav a {
  font-size: 14px;
  font-weight: 600;
  color: var(--text-secondary);
  transition: color .2s ease;
}
nav.main-nav a:hover { color: var(--text-primary); }

.header-actions { display: flex; align-items: center; gap: 14px; }

.lang-toggle {
  display: flex;
  border: 1px solid var(--border);
  border-radius: 100px;
  padding: 3px;
  gap: 2px;
  font-family: var(--font-body);
}
.lang-toggle button {
  border: 0; background: transparent; cursor: pointer;
  color: var(--text-muted);
  font-weight: 700; font-size: 12px;
  padding: 6px 12px;
  border-radius: 100px;
  transition: background .2s ease, color .2s ease;
}
.lang-toggle button.active { background: var(--surface-2); color: var(--text-primary); }

.nav-toggle { display: none; }

/* ---------- hero ---------- */
.hero {
  padding: 190px 0 100px;
  position: relative;
  overflow: hidden;
}
.hero .glow.g1 { width: 520px; height: 520px; background: var(--accent-1); top: -160px; right: -120px; }
.hero .glow.g2 { width: 420px; height: 420px; background: var(--opago); bottom: -140px; left: -140px; opacity: .25; }

.hero-grid {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: 56px;
  align-items: center;
}

.hero h1 {
  font-size: clamp(38px, 5.4vw, 66px);
  line-height: 1.05;
  margin-bottom: 22px;
}

.hero .lede {
  font-size: 19px;
  color: var(--text-secondary);
  max-width: 520px;
  margin-bottom: 36px;
}

.hero-ctas { display: flex; gap: 14px; flex-wrap: wrap; }

.hero-photo { position: relative; }
.hero-photo .frame {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  aspect-ratio: 4 / 5;
  border: 1px solid var(--border);
  box-shadow: 0 40px 80px -30px rgba(0,0,0,0.6);
}
.hero-photo img {
  width: 100%; height: 100%; object-fit: cover;
  filter: saturate(1.05) contrast(1.03);
}
.hero-photo .frame::after {
  content: "";
  position: absolute; inset: 0;
  background: linear-gradient(200deg, rgba(255,59,92,0.18), transparent 45%),
              linear-gradient(0deg, rgba(10,10,13,0.55), transparent 40%);
  mix-blend-mode: normal;
}
.hero-photo .tag {
  position: absolute;
  bottom: 22px; left: 22px;
  z-index: 2;
  background: rgba(15,15,19,0.7);
  backdrop-filter: blur(8px);
  border: 1px solid rgba(255,255,255,0.12);
  padding: 10px 16px;
  border-radius: 100px;
  font-size: 13px;
  font-weight: 700;
  display: flex; align-items: center; gap: 8px;
}
.hero-photo .tag .pulse {
  width: 8px; height: 8px; border-radius: 50%; background: var(--green);
  box-shadow: 0 0 10px var(--green);
  animation: pulse 1.8s infinite ease-in-out;
}
@keyframes pulse { 0%,100%{ opacity: 1; transform: scale(1);} 50%{ opacity: .5; transform: scale(1.3);} }

/* ---------- marquee proof strip ---------- */
.proof-strip {
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  padding: 22px 0;
  overflow: hidden;
}
.proof-track {
  display: flex;
  gap: 64px;
  white-space: nowrap;
  animation: scroll-left 26s linear infinite;
  width: max-content;
}
.proof-track span {
  font-family: var(--font-head);
  font-size: 15px;
  font-weight: 700;
  color: var(--text-muted);
  letter-spacing: .03em;
  display: inline-flex; align-items: center; gap: 10px;
}
.proof-track span strong { color: var(--text-primary); }
.proof-track span::before { content: "•"; color: var(--accent-1); margin-right: 10px; }
@keyframes scroll-left { from { transform: translateX(0); } to { transform: translateX(-50%); } }

/* ---------- case studies ---------- */
.case {
  background: var(--bg-alt);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}
.case + .case { border-top: 0; }

.case-head {
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  flex-wrap: wrap;
  gap: 24px;
  margin-bottom: 48px;
}
.case-kicker {
  font-size: 13px; font-weight: 800; letter-spacing: .14em; text-transform: uppercase;
  color: var(--case-color, var(--accent-1));
  margin-bottom: 12px;
  display: flex; align-items: center; gap: 10px;
}
.case-kicker::before { content: ""; width: 22px; height: 2px; background: var(--case-color, var(--accent-1)); }
.case-title { font-size: clamp(28px, 3.6vw, 40px); display: flex; align-items: center; gap: 14px; }
.case-title a.channel-link {
  font-size: 13px;
  font-weight: 700;
  color: var(--text-secondary);
  border: 1px solid var(--border);
  border-radius: 100px;
  padding: 6px 14px 6px 10px;
  display: inline-flex; align-items: center; gap: 6px;
  transition: border-color .2s ease, color .2s ease;
}
.case-title a.channel-link:hover { border-color: var(--case-color, var(--accent-1)); color: var(--text-primary); }
.case-sub { color: var(--text-muted); font-size: 14px; margin-top: 8px; }
.case-role { color: var(--text-secondary); font-size: 15px; max-width: 340px; text-align: right; }

/* stat compare cards */
.stat-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
  margin-bottom: 40px;
}
.stat-grid.cols-4 { grid-template-columns: repeat(4, 1fr); }

.stat-compare {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 22px;
  position: relative;
}
.stat-compare .stat-label {
  font-size: 13px;
  color: var(--text-muted);
  font-weight: 600;
  margin-bottom: 16px;
  min-height: 32px;
}
.bar-row { display: flex; align-items: center; gap: 10px; margin-bottom: 9px; }
.bar-row:last-child { margin-bottom: 0; }
.bar-tag { font-size: 11px; color: var(--text-muted); width: 42px; flex-shrink: 0; text-transform: uppercase; letter-spacing: .04em; }
.bar-track { flex: 1; height: 10px; background: var(--surface-2); border-radius: 6px; overflow: hidden; }
.bar-fill { height: 100%; border-radius: 6px; width: 0%; transition: width 1.1s cubic-bezier(.16,.84,.44,1); }
.bar-fill.muted { background: var(--text-muted); opacity: .5; }
.bar-fill.accent { background: var(--case-color, var(--accent-1)); box-shadow: 0 0 14px -2px var(--case-color, var(--accent-1)); }
.bar-value { font-size: 13px; font-weight: 700; width: 74px; text-align: right; flex-shrink: 0; font-variant-numeric: tabular-nums; }

.stat-delta {
  position: absolute; top: 20px; right: 20px;
  font-size: 12px; font-weight: 800;
  padding: 4px 10px; border-radius: 100px;
  background: rgba(51, 209, 122, 0.12);
  color: var(--green);
  display: flex; align-items: center; gap: 4px;
}
.stat-delta::before { content: "▲"; font-size: 8px; }

.stat-note { font-size: 12px; color: var(--text-muted); margin-top: 14px; padding-top: 14px; border-top: 1px dashed var(--border); }
.stat-note strong { color: var(--gold); }

.hero-figure-tile {
  background: linear-gradient(160deg, var(--surface), var(--surface-2));
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 22px;
  display: flex; flex-direction: column; justify-content: center;
}
.hero-figure-tile .num { font-family: var(--font-head); font-size: 44px; font-weight: 800; color: var(--case-color, var(--gold)); line-height: 1; }
.hero-figure-tile .lbl { font-size: 13px; color: var(--text-muted); margin-top: 10px; }

.case-insight {
  font-size: 15px;
  color: var(--text-secondary);
  border-left: 2px solid var(--case-color, var(--accent-1));
  padding-left: 18px;
  margin-bottom: 44px;
  max-width: 720px;
}

/* featured content cards */
.content-label { font-size: 13px; font-weight: 800; text-transform: uppercase; letter-spacing: .1em; color: var(--text-muted); margin-bottom: 18px; }
.video-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 20px; }
.video-grid.single { grid-template-columns: minmax(0, 460px); }

.video-card {
  display: block;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  overflow: hidden;
  transition: transform .25s ease, border-color .25s ease;
}
.video-card:hover { transform: translateY(-4px); border-color: var(--case-color, var(--accent-1)); }
.video-thumb { position: relative; aspect-ratio: 16/9; background: var(--surface-2); overflow: hidden; }
.video-thumb img { width: 100%; height: 100%; object-fit: cover; transition: transform .5s ease; }
.video-card:hover .video-thumb img { transform: scale(1.06); }
.video-thumb .play {
  position: absolute; inset: 0; display: flex; align-items: center; justify-content: center;
  background: linear-gradient(0deg, rgba(0,0,0,0.35), transparent 50%);
}
.video-thumb .play svg { width: 52px; height: 52px; filter: drop-shadow(0 6px 18px rgba(0,0,0,0.5)); opacity: .92; }
.video-badge {
  position: absolute; top: 12px; left: 12px;
  background: var(--case-color, var(--accent-1));
  color: #0a0a0d;
  font-size: 11px; font-weight: 800;
  padding: 6px 10px; border-radius: 100px;
  letter-spacing: .02em;
}
.video-meta { padding: 16px 18px 18px; }
.video-meta h4 { font-size: 15px; line-height: 1.35; margin-bottom: 10px; min-height: 40px; }
.video-cta { font-size: 12px; font-weight: 700; color: var(--text-muted); display: inline-flex; align-items: center; gap: 6px; }
.video-card:hover .video-cta { color: var(--case-color, var(--accent-1)); }

.case-footer { margin-top: 44px; display: flex; justify-content: flex-start; }

/* ---------- contact ---------- */
#contato { padding-bottom: 140px; }
.contact-panel {
  position: relative;
  border-radius: 32px;
  padding: 72px 56px;
  overflow: hidden;
  background: linear-gradient(135deg, #16141b, #1c1420 60%, #1a1620);
  border: 1px solid var(--border);
  text-align: center;
}
.contact-panel .glow { top: -100px; left: 50%; transform: translateX(-50%); width: 600px; height: 300px; background: var(--accent-1); opacity: .28; }
.contact-panel h2 { font-size: clamp(28px, 4vw, 42px); max-width: 720px; margin: 0 auto 18px; position: relative; z-index: 1; }
.contact-panel .lede { color: var(--text-secondary); font-size: 17px; max-width: 560px; margin: 0 auto 40px; position: relative; z-index: 1; }

.contact-options {
  position: relative; z-index: 1;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 18px;
  max-width: 720px;
  margin: 0 auto 44px;
  text-align: left;
}
.contact-option {
  background: rgba(255,255,255,0.03);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 24px;
  transition: border-color .2s ease, transform .2s ease;
}
.contact-option:hover { border-color: var(--accent-1); transform: translateY(-3px); }
.contact-option .tag { font-size: 12px; font-weight: 800; text-transform: uppercase; letter-spacing: .08em; color: var(--gold); margin-bottom: 10px; }
.contact-option h4 { font-size: 17px; margin-bottom: 10px; }
.contact-option p { font-size: 13px; color: var(--text-muted); margin-bottom: 18px; }

.contact-direct {
  position: relative; z-index: 1;
  display: flex; justify-content: center; gap: 28px; flex-wrap: wrap;
  font-size: 14px; color: var(--text-secondary);
}
.contact-direct a { font-weight: 700; transition: color .2s ease; }
.contact-direct a:hover { color: var(--gold); }

/* ---------- footer ---------- */
footer.site {
  border-top: 1px solid var(--border);
  padding: 32px 0;
}
footer.site .wrap { display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: 12px; }
footer.site p { font-size: 13px; color: var(--text-muted); }
footer.site .fnav { display: flex; gap: 22px; }
footer.site .fnav a { font-size: 13px; color: var(--text-muted); }
footer.site .fnav a:hover { color: var(--text-primary); }

/* ---------- reveal on scroll ---------- */
.reveal { opacity: 0; transform: translateY(24px); transition: opacity .7s ease, transform .7s ease; }
.reveal.in { opacity: 1; transform: translateY(0); }

/* ---------- responsive ---------- */
@media (max-width: 980px) {
  .hero-grid { grid-template-columns: 1fr; }
  .hero-photo { max-width: 380px; margin: 0 auto; order: -1; }
  .stat-grid, .stat-grid.cols-4 { grid-template-columns: 1fr 1fr; }
  .video-grid { grid-template-columns: 1fr; }
  .contact-options { grid-template-columns: 1fr; }
  .case-head { flex-direction: column; align-items: flex-start; }
  .case-role { text-align: left; }
}

@media (max-width: 640px) {
  section { padding: 84px 0; }
  .hero { padding-top: 150px; }
  nav.main-nav { display: none; }
  .stat-grid, .stat-grid.cols-4 { grid-template-columns: 1fr; }
  .contact-panel { padding: 48px 24px; }
  .case-title { flex-direction: column; align-items: flex-start; gap: 10px; }

  header.site .wrap { gap: 10px; }
  .logo { font-size: 15px; white-space: nowrap; }
  .header-actions { gap: 8px; }
  .header-actions .btn-primary { display: none; }
  .lang-toggle button { padding: 6px 9px; }
}

@media (max-width: 360px) {
  .logo { font-size: 14px; }
}
