@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700&display=swap');

:root {
  --color-bg: #161826;
  --color-surface: #232532;
  --color-text: #e9e9ed;
  --color-accent: #9184d9;
  --color-accent-2: #a7a1db;
  --color-divider: rgba(233, 233, 237, 0.16);

  --color-neutral-100: #f3f5fe;
  --color-neutral-200: #e4e7f5;
  --color-neutral-300: #cfd3e5;
  --color-neutral-400: #b2b6ca;
  --color-neutral-500: #9397ab;
  --color-neutral-600: #75798c;
  --color-neutral-700: #595d6c;
  --color-neutral-800: #3f424d;
  --color-neutral-900: #292b31;

  --color-accent-100: #f5f4ff;
  --color-accent-200: #e7e5fe;
  --color-accent-300: #d2cefd;
  --color-accent-400: #b5abfc;
  --color-accent-500: #968ae0;
  --color-accent-600: #796cbf;
  --color-accent-700: #5d5294;
  --color-accent-800: #423a6a;
  --color-accent-900: #2b2741;

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

  --space-1: 3px;
  --space-2: 6px;
  --space-3: 9px;
  --space-4: 12px;
  --space-6: 18px;
  --space-8: 24px;

  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 14px;

  --shadow-sm: 0 0 0 1px var(--color-neutral-800);
  --shadow-md: 0 0 0 1px var(--color-neutral-700), 0 6px 18px rgba(0,0,0,0.55);
  --shadow-lg: 0 0 0 1px var(--color-neutral-500), 0 16px 40px rgba(0,0,0,0.65);

  --max-width: 1120px;
}

* , *::before, *::after { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  background: var(--color-bg);
  color: var(--color-text);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

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

a { color: var(--color-accent-300); text-underline-offset: 3px; }
a:hover { color: var(--color-accent); }

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  font-weight: 500;
  line-height: 1.14;
  letter-spacing: -0.015em;
  margin: 0 0 var(--space-2);
  color: var(--color-text);
}

h6 {
  font-size: 13px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-accent-300);
  margin-bottom: var(--space-2);
}

p { margin: 0 0 var(--space-3); }

::selection { background: rgba(145, 132, 217, 0.3); }
:focus-visible { outline: 2px solid var(--color-accent); outline-offset: 2px; }

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

/* — fading rule — */
.hr {
  height: 1px; border: 0; margin: 0;
  background: linear-gradient(to right,
    transparent, var(--color-divider) 48px,
    var(--color-divider) calc(100% - 48px), transparent);
}

/* ---------- Header ---------- */
header.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(22, 24, 38, 0.88);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--color-divider);
}

.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 14px 0;
}

.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-heading);
  font-weight: 500;
  font-size: 1.05rem;
  text-decoration: none;
  color: var(--color-text);
}

.logo-badge {
  width: 30px;
  height: 30px;
  border-radius: var(--radius-sm);
  background: rgba(145, 132, 217, 0.16);
  border: 1px solid var(--color-accent-700);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-accent);
  flex-shrink: 0;
}

.logo-badge svg { width: 17px; height: 17px; }

.nav-links {
  display: none;
  gap: 26px;
  font-size: 14px;
}

.nav-links a { text-decoration: none; color: var(--color-neutral-300); }
.nav-links a:hover { color: var(--color-accent); }

@media (min-width: 820px) {
  .nav-links { display: flex; }
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  cursor: pointer;
  text-decoration: none;
  font-family: var(--font-heading);
  font-weight: 500;
  font-size: 14px;
  line-height: 1.2;
  color: var(--color-text);
  background: transparent;
  border: 1px solid transparent;
  padding: 11px 20px;
  border-radius: var(--radius-md);
  transition: background 0.15s ease, transform 0.1s ease;
}
.btn:active { transform: scale(0.98); }

.btn-primary { color: var(--color-accent); border-color: var(--color-accent); }
.btn-primary:hover { background: rgba(145, 132, 217, 0.12); color: var(--color-accent); }
.btn-primary:active { background: rgba(145, 132, 217, 0.22); }

.btn-secondary { border-color: var(--color-divider); }
.btn-secondary:hover { background: rgba(233, 233, 237, 0.07); }

.btn-small { padding: 8px 16px; font-size: 13px; }
.btn-block { width: 100%; margin-top: var(--space-2); }

/* ---------- Hero ---------- */
.hero {
  position: relative;
  padding: 64px 0 48px;
  overflow: hidden;
}

.hero::before {
  content: "";
  position: absolute;
  top: -120px;
  right: -10%;
  width: 900px;
  height: 640px;
  background: radial-gradient(1100px 640px at 88% -120px, rgba(43, 39, 65, 0.65), transparent 60%);
  pointer-events: none;
  z-index: 0;
}

.hero-grid {
  position: relative;
  z-index: 1;
  display: grid;
  gap: 40px;
  align-items: center;
}

@media (min-width: 860px) {
  .hero-grid { grid-template-columns: 1.05fr 0.95fr; }
}

.tag {
  display: inline-flex;
  align-items: center;
  font-size: 11px;
  letter-spacing: 0.02em;
  padding: 4px 12px;
  border-radius: 6px;
  margin-bottom: 18px;
}

.tag-accent { background: var(--color-accent-800); color: var(--color-accent-100); }

h1.hero-title {
  font-size: clamp(2rem, 5vw, 3.25rem);
  max-width: 14ch;
  margin-bottom: 18px;
}

.hero p.sub {
  font-size: 1.1rem;
  line-height: 1.55;
  color: var(--color-neutral-300);
  max-width: 46ch;
  margin-bottom: 26px;
}

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

.hero-note { font-size: 13px; color: var(--color-neutral-500); margin: 0; }

/* whatsapp mock */
.wa-mock {
  background: var(--color-surface);
  border: 1px solid var(--color-neutral-800);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
  overflow: hidden;
  max-width: 400px;
}

.wa-header {
  background: color-mix(in srgb, var(--color-accent-900) 70%, var(--color-surface));
  padding: 12px 16px;
  display: flex;
  align-items: center;
  gap: 10px;
  border-bottom: 1px solid var(--color-neutral-800);
}

.wa-header-icon {
  width: 30px;
  height: 30px;
  border-radius: 50%;
  background: var(--color-accent-800);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-accent-300);
  flex-shrink: 0;
}
.wa-header-icon svg { width: 15px; height: 15px; }

.wa-header-name { font-size: 13px; font-weight: 500; color: var(--color-text); }
.wa-header-status { font-size: 11px; color: var(--color-neutral-500); }

.wa-thread {
  padding: 16px;
  min-height: 300px;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.wa-bubble {
  align-self: flex-start;
  max-width: 82%;
  padding: 9px 13px;
  border-radius: 12px;
  border-bottom-left-radius: 3px;
  font-size: 14px;
  line-height: 1.4;
  background: var(--color-neutral-900);
  border: 1px solid var(--color-neutral-800);
  color: var(--color-text);
  animation: ttFadeUp 0.35s ease both;
}

.wa-bubble.out {
  align-self: flex-end;
  border-bottom-left-radius: 12px;
  border-bottom-right-radius: 3px;
  background: color-mix(in srgb, var(--color-accent-800) 80%, var(--color-surface));
  border-color: var(--color-accent-700);
}

@keyframes ttFadeUp { from { opacity: 0; transform: translateY(10px); } to { opacity: 1; transform: translateY(0); } }

/* ---------- Sections ---------- */
section { padding: 56px 0; }

.section-head { max-width: 640px; margin-bottom: 32px; }
.section-head p { color: var(--color-neutral-400); max-width: 54ch; margin-bottom: 0; }

/* ---------- How it works / grids ---------- */
.grid-3 {
  display: grid;
  gap: 18px;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
}

.card {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
  padding: 20px;
  border-radius: var(--radius-md);
  background: var(--color-surface);
}

.card.elev-sm { box-shadow: var(--shadow-sm); }
.card.elev-md { box-shadow: var(--shadow-md); }

.step-num {
  width: 34px;
  height: 34px;
  border-radius: 50%;
  border: 1px solid var(--color-accent);
  color: var(--color-accent);
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-heading);
  font-size: 14px;
  margin-bottom: 6px;
}

.card-title {
  font-family: var(--font-heading);
  font-weight: 500;
  font-size: 17px;
  line-height: 1.25;
  color: var(--color-text);
  display: flex;
  align-items: center;
  gap: 8px;
}

.card-title svg { width: 18px; height: 18px; color: var(--color-accent); flex-shrink: 0; }

.card-body { margin: 0; font-size: 13.5px; color: var(--color-neutral-300); opacity: 0.9; }

/* ---------- Why WhatsApp two-col ---------- */
.why-grid {
  display: grid;
  gap: 40px;
  grid-template-columns: 1fr;
}

@media (min-width: 860px) {
  .why-grid { grid-template-columns: 0.9fr 1.1fr; align-items: start; }
}

/* ---------- Pricing / What's included ---------- */
.pricing-card {
  max-width: 480px;
  border: 1px solid var(--color-accent-700);
}

.pricing-list {
  list-style: none;
  margin: 0 0 6px;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.pricing-list li {
  display: flex;
  gap: 10px;
  align-items: flex-start;
  font-size: 15px;
  color: var(--color-neutral-200);
}

.pricing-list li svg {
  width: 16px;
  height: 16px;
  color: var(--color-accent);
  margin-top: 3px;
  flex-shrink: 0;
}

.pricing-note {
  font-size: 13px;
  color: var(--color-neutral-500);
  max-width: 480px;
  margin-top: 16px;
}

/* ---------- FAQ ---------- */
.faq { max-width: 760px; }

details.faq-item {
  border-bottom: 1px solid var(--color-divider);
  padding: 18px 0;
}

details.faq-item summary {
  cursor: pointer;
  font-family: var(--font-heading);
  font-weight: 500;
  color: var(--color-text);
  font-size: 1.02rem;
  list-style: none;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
}

details.faq-item summary::-webkit-details-marker { display: none; }

summary .plus {
  flex-shrink: 0;
  width: 24px;
  height: 24px;
  border-radius: 50%;
  border: 1px solid var(--color-accent);
  color: var(--color-accent);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 600;
  font-size: 1rem;
}

details.faq-item[open] summary .plus { background: var(--color-accent); color: var(--color-bg); }

.faq-item p { margin: 12px 0 0; color: var(--color-neutral-400); font-size: 14.5px; }

/* ---------- About ---------- */
.about-grid {
  display: grid;
  gap: 32px;
}

@media (min-width: 800px) {
  .about-grid { grid-template-columns: 1fr 1fr; }
}

.about-grid p { color: var(--color-neutral-300); font-size: 1rem; }

/* ---------- Contact ---------- */
.contact-grid {
  display: grid;
  gap: 32px;
  grid-template-columns: 1fr;
}

@media (min-width: 860px) {
  .contact-grid { grid-template-columns: 1fr 1fr; }
}

form.demo-form {
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.field > label {
  display: block;
  font-size: 12px;
  margin-bottom: 5px;
  color: var(--color-neutral-400);
}

.input {
  width: 100%;
  min-height: 40px;
  padding: 9px 12px;
  font: inherit;
  font-size: 14px;
  color: var(--color-text);
  caret-color: var(--color-accent);
  background: var(--color-bg);
  border: 1px solid var(--color-divider);
  border-radius: var(--radius-md);
}

.input:hover { border-color: var(--color-neutral-600); }
.input:focus-visible { border-color: var(--color-accent); outline-offset: 0; }

textarea.input { min-height: 90px; resize: vertical; }

.contact-side .card-title { font-size: 17px; margin-bottom: 8px; }
.contact-side p { color: var(--color-neutral-400); font-size: 15px; margin-bottom: 16px; }

.contact-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-weight: 500;
  text-decoration: none;
  color: var(--color-accent-300);
  margin-bottom: 10px;
}
.contact-link svg { width: 16px; height: 16px; }
.contact-link:hover { color: var(--color-accent); }

/* ---------- Footnote ---------- */
.footnote {
  padding: 4px 0 40px;
  border-top: 1px solid var(--color-divider);
}
.footnote p {
  font-size: 13px;
  color: var(--color-neutral-600);
  max-width: 60ch;
  margin: 24px 0 0;
}

/* ---------- Footer ---------- */
footer {
  border-top: 1px solid var(--color-divider);
  padding: 24px 0;
}

.footer-inner {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 16px;
  font-size: 12px;
  color: var(--color-neutral-600);
}

.footer-brand {
  display: flex;
  align-items: center;
  gap: 8px;
  color: var(--color-neutral-400);
}

.footer-links {
  display: flex;
  gap: 18px;
  flex-wrap: wrap;
}

.footer-links a { color: var(--color-neutral-500); text-decoration: none; }
.footer-links a:hover { color: var(--color-accent); }

/* ---------- Legal ---------- */
.legal {
  max-width: 760px;
  margin: 0 auto;
  padding: 56px 24px 80px;
}

.legal h1 { margin-bottom: 6px; }
.legal .updated { color: var(--color-neutral-500); font-size: 0.88rem; margin-bottom: 40px; }
.legal h2 { margin-top: 40px; font-size: 1.3rem; }
.legal h3 { color: var(--color-accent-300); font-size: 1.05rem; margin-top: 24px; }
.legal p, .legal li { color: var(--color-neutral-300); font-size: 0.98rem; }
.legal ul { padding-left: 22px; }
.legal table {
  width: 100%;
  border-collapse: collapse;
  margin: 16px 0;
  font-size: 0.92rem;
}
.legal th, .legal td {
  border: 1px solid var(--color-divider);
  padding: 10px 12px;
  text-align: left;
  vertical-align: top;
}
.legal th { background: var(--color-surface); color: var(--color-accent-300); }

.back-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  margin-bottom: 24px;
  font-weight: 500;
  color: var(--color-accent-300);
  text-decoration: none;
  font-size: 0.9rem;
}
.back-link:hover { color: var(--color-accent); }

/* thank you page */
.thankyou {
  min-height: 60vh;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 40px 24px;
}