/* ============================================================
   SYNCOVA — Growth Systems Landing
   Dark premium · restrained · typography-led
   ============================================================ */

:root {
  --bg: #07070a;
  --bg-2: #0b0b10;
  --surface: rgba(255, 255, 255, 0.025);
  --surface-2: rgba(255, 255, 255, 0.045);
  --line: rgba(255, 255, 255, 0.08);
  --line-strong: rgba(255, 255, 255, 0.14);
  --text: #f2efe9;
  --muted: #9b9aa3;
  --faint: #66666e;
  --orange: #ff6a1f;
  --orange-bright: #ff8c45;
  --orange-dim: rgba(255, 106, 31, 0.12);
  --ember: linear-gradient(120deg, #ffb066, #ff6a1f 55%, #ff4d00);
  --font-display: "Clash Display", "Satoshi", sans-serif;
  --font-body: "Satoshi", -apple-system, sans-serif;
  --font-serif: "Instrument Serif", Georgia, serif;
  --font-mono: "JetBrains Mono", ui-monospace, monospace;
  --ease: cubic-bezier(0.22, 1, 0.36, 1);

  /* spacing rhythm */
  --section-pad: 96px;
  --title-gap: 56px;
  --card-gap: 16px;
}

* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}
body::after {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 999;
  opacity: 0.4;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='160' height='160'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='2'/%3E%3CfeColorMatrix values='0 0 0 0 1 0 0 0 0 1 0 0 0 0 1 0 0 0 0.03 0'/%3E%3C/filter%3E%3Crect width='160' height='160' filter='url(%23n)'/%3E%3C/svg%3E");
}
.container { max-width: 1000px; margin: 0 auto; padding: 0 24px; }
::selection { background: rgba(255, 106, 31, 0.3); color: #fff; }

/* ---------- Type ---------- */

h1, h2, h3, h4 {
  font-family: var(--font-display);
  font-weight: 600;
  line-height: 1.08;
  letter-spacing: -0.015em;
}
h1 { font-size: clamp(2.2rem, 5vw, 3.6rem); }
h2 { font-size: clamp(1.6rem, 3.4vw, 2.4rem); }
h3 { font-size: 1.1rem; }
h4 { font-size: 1rem; }

h1 em, h2 em, h3 em {
  font-family: var(--font-serif);
  font-style: italic;
  font-weight: 400;
  letter-spacing: 0;
  background: var(--ember);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  padding-right: 0.06em;
}

.eyebrow {
  font-family: var(--font-mono);
  font-size: 0.68rem;
  font-weight: 500;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--muted);
  margin-bottom: 1.4rem;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.6rem;
}

.section-title {
  text-align: center;
  max-width: 22ch;
  margin: 0 auto var(--title-gap);
}

/* ---------- Reveal ---------- */

.reveal {
  opacity: 0;
  transform: translateY(18px);
  transition: opacity 0.8s var(--ease), transform 0.8s var(--ease);
  transition-delay: var(--d, 0s);
}
.reveal.in { opacity: 1; transform: none; }

/* ---------- Buttons ---------- */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  font-family: var(--font-body);
  font-weight: 700;
  font-size: 0.95rem;
  text-decoration: none;
  border-radius: 10px;
  padding: 14px 30px;
  cursor: pointer;
  border: 1px solid transparent;
  transition: transform 0.25s var(--ease), box-shadow 0.25s, background 0.25s;
  white-space: nowrap;
}
.btn-primary {
  background: var(--ember);
  color: #1d0c00;
  box-shadow: 0 0 0 1px rgba(255, 140, 69, 0.18), 0 6px 20px -10px rgba(255, 106, 31, 0.25);
}
.btn-primary:hover {
  transform: translateY(-1px);
  box-shadow: 0 0 0 1px rgba(255, 140, 69, 0.3), 0 10px 28px -10px rgba(255, 106, 31, 0.32);
}
.btn-full { width: 100%; }

/* ---------- Section rhythm ---------- */

.section { padding: var(--section-pad) 0; }

/* ============================================================
   HERO
   ============================================================ */

.hero {
  position: relative;
  min-height: 72vh;
  display: flex;
  align-items: center;
  padding: 120px 0 96px;
  overflow: hidden;
}
#net {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  z-index: 0;
  opacity: 0.75;
}
.hero-vignette {
  position: absolute;
  inset: 0;
  z-index: 1;
  background:
    radial-gradient(ellipse 60% 45% at 50% 30%, rgba(255, 106, 31, 0.03), transparent 70%),
    linear-gradient(180deg, rgba(7,7,10,0.4), transparent 30%, transparent 70%, var(--bg));
  pointer-events: none;
}
.hero-inner {
  position: relative;
  z-index: 2;
  text-align: center;
  max-width: 720px;
  margin: 0 auto;
}
.hero h1 { margin-bottom: 1.3rem; }
.hero-sub {
  color: var(--muted);
  font-size: 1.08rem;
  max-width: 54ch;
  margin: 0 auto 2.2rem;
}
.micro-trust {
  font-family: var(--font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.06em;
  color: var(--faint);
  margin-top: 1.4rem;
}
.pulse-dot {
  width: 6px; height: 6px;
  border-radius: 50%;
  background: var(--orange);
  box-shadow: 0 0 6px rgba(255, 106, 31, 0.5);
  animation: pulse 2.6s ease-in-out infinite;
  flex-shrink: 0;
}
@keyframes pulse {
  0%, 100% { transform: scale(1); opacity: 1; }
  50% { transform: scale(1.4); opacity: 0.6; }
}

/* ============================================================
   SLIP-AWAY (accordions)
   ============================================================ */

.leaks-section {
  background: var(--bg-2);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}
.leaks-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--card-gap);
}
.leak {
  border: 1px solid var(--line);
  border-radius: 12px;
  background: var(--surface);
  overflow: hidden;
  transition: border-color 0.3s;
}
.leak.open { border-color: var(--line-strong); }
.leak-head {
  width: 100%;
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 20px 20px;
  background: none;
  border: none;
  cursor: pointer;
  color: var(--text);
  text-align: left;
  font-family: inherit;
  transition: background 0.25s;
}
.leak-head:hover { background: var(--surface-2); }
.leak-title {
  font-family: var(--font-display);
  font-weight: 500;
  font-size: 1rem;
  flex: 1;
}
.leak-icon {
  width: 30px; height: 30px;
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 8px;
  background: var(--orange-dim);
  color: var(--orange-bright);
}
.leak-icon svg { width: 16px; height: 16px; }
.leak-body {
  display: grid;
  grid-template-rows: 0fr;
  transition: grid-template-rows 0.4s var(--ease);
}
.leak-body-inner { overflow: hidden; }
.leak.open .leak-body { grid-template-rows: 1fr; }
.leak-body p {
  padding: 0 20px 20px;
  color: var(--muted);
  font-size: 0.92rem;
  max-width: 52ch;
}

/* ============================================================
   WHAT CHANGES
   ============================================================ */

.fix-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--card-gap);
}
.fix-card {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 28px 26px;
  transition: border-color 0.3s, background 0.3s;
}
.fix-card:hover {
  border-color: var(--line-strong);
  background: var(--surface-2);
}
.fix-card h3 { margin-bottom: 0.6rem; }
.fix-card p { color: var(--muted); font-size: 0.92rem; max-width: 44ch; }

/* ============================================================
   OPERATOR
   ============================================================ */

.operator-section {
  background: var(--bg-2);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  padding: 72px 0;
}
.operator-box {
  text-align: center;
  max-width: 680px;
  margin: 0 auto;
}
.operator-box h3 {
  font-size: clamp(1.3rem, 2.6vw, 1.7rem);
  margin-bottom: 1rem;
}
.operator-box p { color: var(--muted); font-size: 0.98rem; }

/* ============================================================
   PROCESS
   ============================================================ */

.process-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 28px;
}
.process-step { text-align: center; }
.step-num {
  width: 38px; height: 38px;
  border-radius: 50%;
  background: var(--bg);
  border: 1px solid rgba(255, 140, 69, 0.3);
  color: var(--orange-bright);
  font-family: var(--font-mono);
  font-size: 0.85rem;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 1.2rem;
}
.process-step h4 { margin-bottom: 0.5rem; }
.process-step p { color: var(--muted); font-size: 0.88rem; max-width: 24ch; margin: 0 auto; }

/* ============================================================
   FORM
   ============================================================ */

.form-section {
  background: var(--bg-2);
  border-top: 1px solid var(--line);
}
.form-wrapper {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: center;
}
.form-copy h2 { margin-bottom: 1rem; }
.form-copy > p {
  color: var(--muted);
  max-width: 44ch;
  margin-bottom: 1.6rem;
}
.form-points { list-style: none; }
.form-points li {
  position: relative;
  padding: 7px 0 7px 26px;
  color: var(--muted);
  font-size: 0.92rem;
}
.form-points li::before {
  content: "✓";
  position: absolute;
  left: 0;
  color: var(--orange-bright);
  font-family: var(--font-mono);
}

.conversion-form {
  position: relative;
  background: linear-gradient(165deg, rgba(20, 20, 26, 0.9), rgba(13, 13, 18, 0.9));
  border: 1px solid var(--line-strong);
  border-radius: 16px;
  padding: 36px 32px;
  box-shadow: 0 24px 60px -32px rgba(0, 0, 0, 0.5), inset 0 1px 0 rgba(255, 255, 255, 0.04);
}
.field { margin-bottom: 14px; }
.field input,
.field textarea {
  width: 100%;
  background: rgba(255, 255, 255, 0.035);
  border: 1px solid var(--line);
  border-radius: 9px;
  color: var(--text);
  font-family: var(--font-body);
  font-size: 0.95rem;
  padding: 13px 15px;
  transition: border-color 0.25s, box-shadow 0.25s;
  resize: vertical;
}
.field input::placeholder,
.field textarea::placeholder { color: var(--faint); }
.field input:focus,
.field textarea:focus {
  outline: none;
  border-color: rgba(255, 140, 69, 0.45);
  box-shadow: 0 0 0 3px rgba(255, 106, 31, 0.08);
}
.field:last-of-type { margin-bottom: 20px; }
.conversion-form .btn-full { margin-bottom: 12px; }
.form-note {
  font-family: var(--font-mono);
  font-size: 0.64rem;
  letter-spacing: 0.06em;
  color: var(--faint);
  text-align: center;
}
.form-success {
  position: absolute;
  inset: 0;
  border-radius: 16px;
  background: linear-gradient(165deg, rgba(20, 20, 26, 0.98), rgba(13, 13, 18, 0.98));
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 40px;
  gap: 10px;
}
.form-success[hidden] { display: none; }
.success-mark {
  width: 50px; height: 50px;
  border-radius: 50%;
  background: var(--ember);
  color: #1d0c00;
  font-size: 1.3rem;
  font-weight: 700;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 6px 20px -8px rgba(255, 106, 31, 0.3);
}
.form-success h3 { margin-top: 6px; }
.form-success p { color: var(--muted); font-size: 0.9rem; max-width: 30ch; }
.form-success a { color: var(--orange-bright); font-weight: 700; text-decoration: none; }

/* ============================================================
   FAQ
   ============================================================ */

.faq-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--card-gap);
}
.faq-item {
  border: 1px solid var(--line);
  border-radius: 12px;
  background: var(--surface);
  overflow: hidden;
  transition: border-color 0.3s;
}
.faq-item.open { border-color: var(--line-strong); }
.faq-head {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 18px 20px;
  background: none;
  border: none;
  cursor: pointer;
  color: var(--text);
  text-align: left;
  font-family: var(--font-body);
  font-size: 0.92rem;
  font-weight: 700;
  transition: background 0.25s;
}
.faq-head:hover { background: var(--surface-2); }
.faq-toggle {
  color: var(--orange-bright);
  font-weight: 400;
  font-size: 1.1rem;
  line-height: 1;
  transition: transform 0.3s var(--ease);
  flex-shrink: 0;
}
.faq-item.open .faq-toggle { transform: rotate(45deg); }
.faq-body {
  display: grid;
  grid-template-rows: 0fr;
  transition: grid-template-rows 0.35s var(--ease);
}
.faq-body-inner { overflow: hidden; }
.faq-item.open .faq-body { grid-template-rows: 1fr; }
.faq-body p {
  padding: 0 20px 18px;
  color: var(--muted);
  font-size: 0.88rem;
}

/* ============================================================
   WhatsApp float
   ============================================================ */

.wa-float {
  position: fixed;
  right: 24px;
  bottom: 24px;
  z-index: 90;
  width: 52px; height: 52px;
  border-radius: 50%;
  background: rgba(14, 14, 19, 0.9);
  border: 1px solid var(--line-strong);
  color: #25d366;
  display: flex;
  align-items: center;
  justify-content: center;
  text-decoration: none;
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  box-shadow: 0 12px 32px -14px rgba(0, 0, 0, 0.6);
  opacity: 0;
  transform: scale(0.85);
  pointer-events: none;
  transition: opacity 0.35s var(--ease), transform 0.35s var(--ease), border-color 0.25s;
}
.wa-float.show {
  opacity: 1;
  transform: scale(1);
  pointer-events: auto;
}
.wa-float:hover { border-color: rgba(37, 211, 102, 0.4); }
.wa-float svg { width: 26px; height: 26px; }

/* ============================================================
   RESPONSIVE
   ============================================================ */

@media (max-width: 768px) {
  :root {
    --section-pad: 64px;
    --title-gap: 40px;
  }
  .leaks-grid,
  .fix-grid,
  .faq-grid { grid-template-columns: 1fr; }
  .process-grid { grid-template-columns: repeat(2, 1fr); gap: 32px 20px; }
  .form-wrapper { grid-template-columns: 1fr; gap: 44px; }
  .operator-section { padding: 56px 0; }
}

@media (max-width: 640px) {
  body { font-size: 15px; }
  .hero { padding: 96px 0 72px; min-height: auto; }
  .hero-sub { font-size: 1rem; margin-bottom: 1.8rem; }
  .hero .btn { width: 100%; max-width: 320px; }
  .process-grid { grid-template-columns: 1fr; gap: 28px; }
  .process-step p { max-width: 36ch; }
  .conversion-form { padding: 28px 22px; }
  .wa-float { right: 18px; bottom: 18px; }
}

/* ---------- Reduced motion ---------- */

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
  .reveal { opacity: 1; transform: none; }
  #net { display: none; }
}