/* ===================================================================
   The AI Team — Stylesheet
   Brand: Ink #0A0A0F, Volt #FFD60A, Cream #FAF7F2
   =================================================================== */

:root {
  --ink: #0A0A0F;
  --steel: #1F2937;
  --smoke: #6B7280;
  --smoke-light: #9CA3AF;
  --grey-100: #F3F4F6;
  --grey-200: #E5E7EB;
  --cream: #FAF7F2;
  --volt: #FFD60A;
  --volt-soft: #FFF4B8;
  --white: #ffffff;

  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 16px;
  --radius-xl: 24px;
  --radius-pill: 999px;

  --shadow-sm: 0 1px 3px rgba(10, 10, 15, 0.06), 0 1px 2px rgba(10, 10, 15, 0.04);
  --shadow-md: 0 4px 12px rgba(10, 10, 15, 0.08), 0 2px 4px rgba(10, 10, 15, 0.04);
  --shadow-lg: 0 16px 40px rgba(10, 10, 15, 0.12), 0 4px 12px rgba(10, 10, 15, 0.06);

  --max-w: 1200px;
}

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

html { scroll-behavior: smooth; }

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  font-size: 16px;
  line-height: 1.6;
  color: var(--ink);
  background: var(--cream);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

img, svg { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
button { font: inherit; cursor: pointer; border: none; background: none; }

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

@media (min-width: 768px) { .container { padding: 0 40px; } }

/* ===================================================================
   Typography
   =================================================================== */

h1, h2, h3, h4, h5 { font-weight: 900; line-height: 1.1; letter-spacing: -1.5px; }
h1 { font-size: 44px; }
h2 { font-size: 32px; letter-spacing: -1px; }
h3 { font-size: 22px; letter-spacing: -0.5px; }
h4 { font-size: 18px; letter-spacing: -0.3px; }

@media (min-width: 768px) {
  h1 { font-size: 72px; }
  h2 { font-size: 48px; }
  h3 { font-size: 26px; }
}

@media (min-width: 1024px) {
  h1 { font-size: 88px; }
}

p { font-size: 17px; line-height: 1.65; color: var(--smoke); }
.lead { font-size: 20px; line-height: 1.55; color: var(--ink); }

.accent { color: var(--volt); }
.ink { color: var(--ink); }
.smoke { color: var(--smoke); }

.eyebrow {
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: var(--volt);
  margin-bottom: 16px;
  display: inline-block;
}

.eyebrow.dark { color: var(--ink); background: var(--volt); padding: 4px 10px; border-radius: var(--radius-sm); }

.text-center { text-align: center; }

/* ===================================================================
   Buttons
   =================================================================== */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 14px 24px;
  font-size: 15px;
  font-weight: 700;
  border-radius: var(--radius-md);
  transition: transform 0.15s ease, box-shadow 0.15s ease, background 0.15s ease;
  border: 2px solid transparent;
  cursor: pointer;
  white-space: nowrap;
}
.btn:hover { transform: translateY(-1px); }
.btn:active { transform: translateY(0); }

.btn-primary { background: var(--volt); color: var(--ink); }
.btn-primary:hover { background: #FFE044; box-shadow: var(--shadow-md); }

.btn-ink { background: var(--ink); color: var(--cream); }
.btn-ink:hover { background: #1A1A22; box-shadow: var(--shadow-md); }

.btn-ghost { background: transparent; color: var(--ink); border-color: var(--ink); }
.btn-ghost:hover { background: var(--ink); color: var(--cream); }

.btn-ghost-light { background: transparent; color: var(--cream); border-color: rgba(250, 247, 242, 0.3); }
.btn-ghost-light:hover { background: var(--cream); color: var(--ink); border-color: var(--cream); }

.btn-lg { padding: 18px 32px; font-size: 17px; }
.btn-block { width: 100%; }

/* ===================================================================
   Nav
   =================================================================== */

.nav {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(250, 247, 242, 0.85);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--grey-200);
}

.nav-inner {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 14px 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.nav-logo img { height: 40px; }

.nav-links {
  list-style: none;
  display: none;
  gap: 32px;
  align-items: center;
}

@media (min-width: 900px) { .nav-links { display: flex; } }

.nav-links a {
  font-size: 15px;
  font-weight: 500;
  color: var(--ink);
  position: relative;
}
.nav-links a:hover { color: var(--volt); }
.nav-links a.active { color: var(--ink); font-weight: 700; }
.nav-links a.active::after {
  content: '';
  position: absolute;
  bottom: -8px;
  left: 0;
  right: 0;
  height: 3px;
  background: var(--volt);
  border-radius: 2px;
}

.nav-cta { display: none; align-items: center; gap: 12px; }
@media (min-width: 900px) { .nav-cta { display: flex; } }

.nav-toggle {
  display: flex;
  flex-direction: column;
  gap: 5px;
  padding: 8px;
}
@media (min-width: 900px) { .nav-toggle { display: none; } }
.nav-toggle span { width: 24px; height: 2.5px; background: var(--ink); border-radius: 2px; transition: transform 0.2s; }

/* Mobile menu */
.mobile-menu {
  position: fixed;
  inset: 0;
  background: var(--ink);
  z-index: 200;
  padding: 24px;
  display: none;
  flex-direction: column;
}
.mobile-menu.open { display: flex; }
.mobile-menu-head { display: flex; justify-content: space-between; align-items: center; margin-bottom: 48px; }
.mobile-menu-close { color: var(--cream); font-size: 32px; line-height: 1; padding: 8px; }
.mobile-menu-links { list-style: none; display: flex; flex-direction: column; gap: 24px; }
.mobile-menu-links a { color: var(--cream); font-size: 28px; font-weight: 900; letter-spacing: -1px; }
.mobile-menu-links a:hover { color: var(--volt); }
.mobile-menu-cta { margin-top: auto; padding-top: 32px; display: flex; flex-direction: column; gap: 12px; }

/* ===================================================================
   Hero
   =================================================================== */

.hero { padding: 80px 0 100px; position: relative; overflow: hidden; }
.hero-inner { max-width: 920px; }
.hero h1 { margin-bottom: 24px; }
.hero .lead { margin-bottom: 32px; max-width: 640px; }
.hero-cta { display: flex; flex-wrap: wrap; gap: 12px; }

.hero-dark {
  background: var(--ink);
  color: var(--cream);
}
.hero-dark h1 { color: var(--cream); }
.hero-dark .lead { color: var(--smoke-light); }

/* ===================================================================
   Sections
   =================================================================== */

section { padding: 80px 0; }
@media (min-width: 768px) { section { padding: 120px 0; } }

.section-dark { background: var(--ink); color: var(--cream); }
.section-dark h2 { color: var(--cream); }
.section-dark p { color: var(--smoke-light); }
.section-dark .eyebrow { color: var(--volt); }

.section-volt { background: var(--volt); }
.section-volt h2, .section-volt p { color: var(--ink); }

/* ===================================================================
   Cards / Packages
   =================================================================== */

.pkg-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 24px;
  margin-top: 48px;
}
@media (min-width: 768px) { .pkg-grid { grid-template-columns: 1fr 1fr; } }
@media (min-width: 1100px) { .pkg-grid { grid-template-columns: repeat(4, 1fr); } }

.pkg {
  background: var(--cream);
  border: 1px solid var(--grey-200);
  border-radius: var(--radius-xl);
  padding: 32px 24px;
  display: flex;
  flex-direction: column;
  transition: transform 0.2s ease, box-shadow 0.2s ease, border-color 0.2s ease;
}
.pkg:hover { transform: translateY(-4px); box-shadow: var(--shadow-md); border-color: var(--ink); }

.pkg.hero-pkg {
  background: var(--ink);
  color: var(--cream);
  border-color: var(--volt);
  position: relative;
}
.pkg.hero-pkg .pkg-name, .pkg.hero-pkg .pkg-price-amount, .pkg.hero-pkg li { color: var(--cream); }
.pkg.hero-pkg .pkg-price-mo { color: var(--smoke-light); }

.pkg-badge {
  position: absolute;
  top: -14px;
  right: 16px;
  background: var(--volt);
  color: var(--ink);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  padding: 6px 12px;
  border-radius: var(--radius-pill);
}

.pkg-name { font-size: 22px; font-weight: 900; letter-spacing: -0.5px; margin-bottom: 8px; }
.pkg-tagline { font-size: 14px; color: var(--smoke); margin-bottom: 24px; }
.pkg.hero-pkg .pkg-tagline { color: var(--smoke-light); }

.pkg-price { margin-bottom: 24px; }
.pkg-price-amount { font-size: 36px; font-weight: 900; letter-spacing: -1.5px; line-height: 1; }
.pkg-price-mo { font-size: 13px; color: var(--smoke); margin-top: 4px; }

.pkg ul { list-style: none; margin-bottom: 32px; flex: 1; }
.pkg li { font-size: 14px; line-height: 1.5; padding: 8px 0; padding-left: 24px; position: relative; color: var(--ink); }
.pkg li::before {
  content: '✓';
  position: absolute;
  left: 0;
  color: var(--volt);
  font-weight: 900;
  font-size: 16px;
}
.pkg.hero-pkg li::before { color: var(--volt); }

.pkg .btn { width: 100%; }

/* ===================================================================
   Steps / How it works
   =================================================================== */

.steps { display: grid; grid-template-columns: 1fr; gap: 24px; margin-top: 48px; }
@media (min-width: 768px) { .steps { grid-template-columns: repeat(3, 1fr); gap: 32px; } }

.step { padding: 8px; }
.step-num {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: var(--volt);
  color: var(--ink);
  font-weight: 900;
  font-size: 20px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 16px;
}
.step h3 { margin-bottom: 8px; }
.step p { font-size: 15px; }

/* ===================================================================
   Stat band
   =================================================================== */

.stat-band {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
  padding: 48px 24px;
  background: var(--ink);
  color: var(--cream);
  border-radius: var(--radius-xl);
}
@media (min-width: 768px) { .stat-band { grid-template-columns: repeat(4, 1fr); padding: 56px 40px; gap: 32px; } }

.stat { text-align: center; }
.stat-num { font-size: 40px; font-weight: 900; color: var(--volt); letter-spacing: -1.5px; line-height: 1; margin-bottom: 8px; }
.stat-label { font-size: 13px; color: var(--smoke-light); line-height: 1.4; }

@media (min-width: 768px) { .stat-num { font-size: 56px; } }

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

.faq-grid { display: grid; grid-template-columns: 1fr; gap: 12px; max-width: 800px; margin: 48px auto 0; }

.faq-item {
  background: var(--cream);
  border: 1px solid var(--grey-200);
  border-radius: var(--radius-lg);
  padding: 20px 24px;
  transition: border-color 0.2s;
}
.faq-item[open] { border-color: var(--ink); }
.faq-item summary { font-weight: 700; font-size: 17px; cursor: pointer; list-style: none; display: flex; justify-content: space-between; align-items: center; gap: 16px; }
.faq-item summary::after { content: '+'; font-size: 24px; font-weight: 300; color: var(--volt); }
.faq-item[open] summary::after { content: '−'; }
.faq-item p { margin-top: 16px; font-size: 15px; line-height: 1.65; }

/* ===================================================================
   Forms
   =================================================================== */

.form { display: flex; flex-direction: column; gap: 20px; }
.form-row { display: grid; grid-template-columns: 1fr; gap: 20px; }
@media (min-width: 600px) { .form-row { grid-template-columns: 1fr 1fr; } }
.form-field { display: flex; flex-direction: column; gap: 8px; }
.form-field label { font-size: 13px; font-weight: 700; color: var(--ink); }
.form-field input, .form-field textarea, .form-field select {
  padding: 14px 16px;
  font: inherit;
  font-size: 16px;
  border: 1.5px solid var(--grey-200);
  border-radius: var(--radius-md);
  background: var(--cream);
  color: var(--ink);
  transition: border-color 0.15s ease;
}
.form-field input:focus, .form-field textarea:focus, .form-field select:focus { outline: none; border-color: var(--ink); }
.form-field textarea { resize: vertical; min-height: 120px; }

/* ===================================================================
   Footer
   =================================================================== */

footer { background: var(--ink); color: var(--cream); padding: 64px 0 32px; }

.footer-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 40px;
  margin-bottom: 48px;
}
@media (min-width: 768px) {
  .footer-grid { grid-template-columns: 2fr 1fr 1fr 1fr; gap: 48px; }
}

.footer-logo img { height: 40px; margin-bottom: 16px; }
.footer-tagline { font-size: 14px; max-width: 280px; line-height: 1.6; color: var(--smoke-light); }

.footer-col h5 {
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 2px;
  color: var(--volt);
  font-weight: 700;
  margin-bottom: 16px;
}

.footer-col ul { list-style: none; display: flex; flex-direction: column; gap: 10px; }
.footer-col a { color: var(--smoke-light); font-size: 14px; }
.footer-col a:hover { color: var(--volt); }

.footer-bottom {
  padding-top: 24px;
  border-top: 1px solid rgba(250, 247, 242, 0.08);
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 16px;
  font-size: 13px;
  color: var(--smoke-light);
  align-items: center;
}

.footer-social {
  display: flex;
  align-items: center;
  gap: 14px;
}
.footer-social a {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 32px;
  height: 32px;
  border-radius: 50%;
  background: rgba(250, 247, 242, 0.06);
  color: var(--smoke-light);
  transition: background 0.2s ease, color 0.2s ease, transform 0.2s ease;
}
.footer-social a:hover {
  background: var(--volt);
  color: var(--ink);
  transform: translateY(-2px);
}
.footer-social svg { width: 16px; height: 16px; fill: currentColor; }

/* ===================================================================
   WhatsApp floating button
   =================================================================== */

.whatsapp-float {
  position: fixed;
  bottom: 24px;
  right: 24px;
  width: 56px;
  height: 56px;
  background: #25D366;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 8px 24px rgba(37, 211, 102, 0.4);
  z-index: 50;
  transition: transform 0.2s ease;
}
.whatsapp-float:hover { transform: scale(1.08); }
.whatsapp-float svg { width: 28px; height: 28px; fill: white; }