/* =============================================
   REDAUTI — Global Stylesheet (Vibrant Theme)
   ============================================= */

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

:root {
  --white: #ffffff;
  --gray-50: #f8f9ff;
  --gray-100: #eef0f8;
  --gray-300: #c8cce0;
  --gray-500: #6b7194;
  --gray-700: #3d4168;
  --black: #0d0e1a;
  --font-display: 'Sora', sans-serif;
  --font-body: 'Inter', sans-serif;
  --radius: 16px;
  --radius-sm: 10px;
  --radius-xs: 6px;
}

body {
  font-family: var(--font-body);
  background: var(--white);
  color: var(--black);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

/* =============================================
   NAV
   ============================================= */
nav {
  position: sticky; top: 0; z-index: 100;
  background: rgba(255,255,255,0.95);
  backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--gray-100);
  padding: 0 2rem;
  display: flex; align-items: center; justify-content: space-between;
  height: 64px;
}
.nav-logo {
  font-family: var(--font-display);
  font-size: 22px; font-weight: 700;
  text-decoration: none; letter-spacing: -0.5px;
  background: linear-gradient(135deg, #6366f1, #8b5cf6, #ec4899);
  -webkit-background-clip: text; -webkit-text-fill-color: transparent;
}
.nav-links { display: flex; gap: 2rem; list-style: none; }
.nav-links a {
  font-size: 14px; color: var(--gray-700);
  text-decoration: none; font-weight: 500; transition: color 0.15s;
}
.nav-links a:hover, .nav-links a.active { color: #6366f1; }
.nav-cta {
  background: linear-gradient(135deg, #6366f1, #8b5cf6);
  color: var(--white); font-size: 13px; font-weight: 600;
  padding: 9px 20px; border-radius: 50px;
  text-decoration: none; transition: opacity 0.15s, transform 0.1s;
  box-shadow: 0 4px 15px rgba(99,102,241,0.35);
}
.nav-cta:hover { opacity: 0.9; transform: translateY(-1px); }

/* =============================================
   HERO
   ============================================= */
.hero-wrap {
  background: linear-gradient(160deg, #faf5ff 0%, #eff6ff 40%, #fdf2f8 100%);
  padding: 5rem 1.5rem 4rem;
  text-align: center;
  position: relative;
  overflow: hidden;
}
.hero-wrap::before {
  content: '';
  position: absolute; inset: 0;
  background:
    radial-gradient(circle at 20% 50%, rgba(139,92,246,0.12) 0%, transparent 50%),
    radial-gradient(circle at 80% 20%, rgba(236,72,153,0.10) 0%, transparent 50%),
    radial-gradient(circle at 60% 80%, rgba(99,102,241,0.10) 0%, transparent 50%);
  pointer-events: none;
}
.hero { max-width: 780px; margin: 0 auto; position: relative; }
.hero-eyebrow {
  display: inline-flex; align-items: center; gap: 8px;
  font-size: 12px; font-weight: 700; letter-spacing: 0.1em;
  text-transform: uppercase;
  background: linear-gradient(135deg, #6366f1, #ec4899);
  -webkit-background-clip: text; -webkit-text-fill-color: transparent;
  background-clip: text;
  border: 1.5px solid rgba(99,102,241,0.2);
  padding: 5px 16px; border-radius: 50px;
  margin-bottom: 1.5rem;
  background-color: rgba(99,102,241,0.05);
}
.hero h1 {
  font-family: var(--font-display);
  font-size: clamp(2.4rem, 5.5vw, 3.8rem);
  font-weight: 700; line-height: 1.1;
  letter-spacing: -2px; color: var(--black);
  margin-bottom: 1.25rem;
}
.hero h1 .grad {
  background: linear-gradient(135deg, #6366f1 0%, #8b5cf6 50%, #ec4899 100%);
  -webkit-background-clip: text; -webkit-text-fill-color: transparent;
}
.hero p {
  font-size: 18px; color: var(--gray-500);
  max-width: 540px; margin: 0 auto 2.5rem; line-height: 1.7;
}
.hero-actions { display: flex; gap: 14px; justify-content: center; flex-wrap: wrap; }
.btn-primary {
  background: linear-gradient(135deg, #6366f1, #8b5cf6);
  color: var(--white); font-size: 15px; font-weight: 600;
  padding: 14px 32px; border-radius: 50px;
  text-decoration: none; border: none; cursor: pointer;
  box-shadow: 0 8px 25px rgba(99,102,241,0.4);
  transition: transform 0.15s, box-shadow 0.15s;
  display: inline-block;
}
.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 12px 30px rgba(99,102,241,0.5); }
.btn-secondary {
  background: var(--white); color: var(--gray-700);
  font-size: 15px; font-weight: 600;
  padding: 14px 32px; border-radius: 50px;
  text-decoration: none; border: 2px solid var(--gray-100);
  transition: border-color 0.15s, transform 0.1s; display: inline-block;
}
.btn-secondary:hover { border-color: #6366f1; color: #6366f1; transform: translateY(-1px); }

/* FLOATING BADGES */
.hero-badges {
  display: flex; gap: 10px; justify-content: center;
  flex-wrap: wrap; margin-top: 2.5rem;
}
.hero-badge {
  display: inline-flex; align-items: center; gap: 6px;
  font-size: 12px; font-weight: 600; color: var(--gray-700);
  background: var(--white); border: 1px solid var(--gray-100);
  padding: 6px 14px; border-radius: 50px;
  box-shadow: 0 2px 8px rgba(0,0,0,0.06);
}

/* =============================================
   STATS BAR
   ============================================= */
.stats-bar {
  display: flex; justify-content: center;
  background: var(--white);
  border-bottom: 1px solid var(--gray-100);
}
.stat-item {
  padding: 1.4rem 3rem; text-align: center;
  border-right: 1px solid var(--gray-100);
}
.stat-item:last-child { border-right: none; }
.stat-num {
  font-family: var(--font-display); font-size: 26px; font-weight: 700;
  background: linear-gradient(135deg, #6366f1, #8b5cf6);
  -webkit-background-clip: text; -webkit-text-fill-color: transparent;
}
.stat-label { font-size: 12px; color: var(--gray-500); margin-top: 3px; font-weight: 500; }

/* =============================================
   AD SLOT
   ============================================= */
.ad-slot {
  background: var(--gray-50); border: 1.5px dashed var(--gray-300);
  border-radius: var(--radius-sm);
  display: flex; align-items: center; justify-content: center;
  color: var(--gray-300); font-size: 12px;
  margin: 2rem auto; max-width: 728px; height: 90px;
}

/* =============================================
   SECTIONS
   ============================================= */
section { max-width: 1140px; margin: 0 auto; padding: 4rem 1.5rem; }
.section-label {
  display: inline-block;
  font-size: 11px; font-weight: 700; letter-spacing: 0.1em;
  text-transform: uppercase;
  background: linear-gradient(135deg, #6366f1, #ec4899);
  -webkit-background-clip: text; -webkit-text-fill-color: transparent;
  margin-bottom: 0.5rem;
}
.section-title {
  font-family: var(--font-display);
  font-size: clamp(1.6rem, 3vw, 2.2rem);
  font-weight: 700; letter-spacing: -0.5px;
  color: var(--black); margin-bottom: 0.75rem;
}
.section-sub { font-size: 16px; color: var(--gray-500); max-width: 480px; }

/* =============================================
   CALCULATOR CARDS
   ============================================= */
.calc-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: 16px; margin-top: 2.5rem;
}

.calc-card {
  background: var(--white);
  border: 1.5px solid var(--gray-100);
  border-radius: var(--radius);
  padding: 1.5rem;
  text-decoration: none; color: inherit;
  display: flex; align-items: flex-start; gap: 16px;
  transition: all 0.2s ease;
  position: relative; overflow: hidden;
}
.calc-card::before {
  content: '';
  position: absolute; inset: 0;
  opacity: 0; transition: opacity 0.2s;
  border-radius: var(--radius);
}
.calc-card:hover {
  border-color: transparent;
  transform: translateY(-3px);
  box-shadow: 0 12px 35px rgba(99,102,241,0.15);
}
.calc-card:hover::before { opacity: 1; }

/* Card color themes */
.card-blue::before { background: linear-gradient(135deg, rgba(99,102,241,0.04), rgba(139,92,246,0.04)); }
.card-blue:hover { border-color: transparent; box-shadow: 0 12px 35px rgba(99,102,241,0.2); }
.card-pink::before { background: linear-gradient(135deg, rgba(236,72,153,0.04), rgba(249,168,212,0.04)); }
.card-pink:hover { box-shadow: 0 12px 35px rgba(236,72,153,0.2); }
.card-green::before { background: linear-gradient(135deg, rgba(16,185,129,0.04), rgba(52,211,153,0.04)); }
.card-green:hover { box-shadow: 0 12px 35px rgba(16,185,129,0.2); }
.card-amber::before { background: linear-gradient(135deg, rgba(245,158,11,0.04), rgba(251,191,36,0.04)); }
.card-amber:hover { box-shadow: 0 12px 35px rgba(245,158,11,0.2); }
.card-red::before { background: linear-gradient(135deg, rgba(239,68,68,0.04), rgba(252,165,165,0.04)); }
.card-red:hover { box-shadow: 0 12px 35px rgba(239,68,68,0.2); }
.card-teal::before { background: linear-gradient(135deg, rgba(20,184,166,0.04), rgba(94,234,212,0.04)); }
.card-teal:hover { box-shadow: 0 12px 35px rgba(20,184,166,0.2); }

.calc-card.popular::after {
  content: '🔥 Popular';
  position: absolute; top: 12px; right: 14px;
  font-size: 11px; font-weight: 700;
  background: linear-gradient(135deg, #6366f1, #8b5cf6);
  color: var(--white);
  padding: 3px 12px; border-radius: 50px;
}
.calc-icon-wrap {
  width: 48px; height: 48px; border-radius: 14px;
  display: flex; align-items: center; justify-content: center;
  flex-shrink: 0; font-size: 22px;
  position: relative; z-index: 1;
}
.calc-body { flex: 1; position: relative; z-index: 1; }
.calc-name { font-size: 15px; font-weight: 700; color: var(--black); margin-bottom: 5px; }
.calc-desc { font-size: 13px; color: var(--gray-500); line-height: 1.5; }
.calc-arrow {
  font-size: 20px; color: var(--gray-300);
  align-self: center; transition: all 0.2s;
  position: relative; z-index: 1;
}
.calc-card:hover .calc-arrow { color: #6366f1; transform: translateX(3px); }

/* =============================================
   HOW IT WORKS
   ============================================= */
.how-section {
  background: linear-gradient(135deg, #faf5ff, #eff6ff);
  border-radius: 24px; padding: 3.5rem;
  display: grid; grid-template-columns: 1fr 1fr;
  gap: 3rem; align-items: center; margin-top: 2.5rem;
}
.how-steps { display: flex; flex-direction: column; gap: 2rem; }
.how-step { display: flex; gap: 16px; align-items: flex-start; }
.step-num {
  width: 36px; height: 36px; border-radius: 50%;
  background: linear-gradient(135deg, #6366f1, #8b5cf6);
  color: var(--white); font-size: 14px; font-weight: 700;
  display: flex; align-items: center; justify-content: center;
  flex-shrink: 0; box-shadow: 0 4px 12px rgba(99,102,241,0.35);
}
.step-title { font-size: 16px; font-weight: 700; color: var(--black); margin-bottom: 4px; }
.step-desc { font-size: 13px; color: var(--gray-500); line-height: 1.6; }
.how-visual {
  background: var(--white); border-radius: 20px;
  padding: 2rem; box-shadow: 0 8px 30px rgba(99,102,241,0.1);
}
.mini-calc-title {
  font-size: 13px; font-weight: 700; color: var(--gray-700);
  margin-bottom: 1.25rem; display: flex; align-items: center; gap: 6px;
}
.mini-field { margin-bottom: 14px; }
.mini-label { font-size: 12px; font-weight: 600; color: var(--gray-500); margin-bottom: 5px; display: block; }
.mini-input {
  width: 100%; padding: 10px 14px;
  border: 1.5px solid var(--gray-100); border-radius: var(--radius-sm);
  font-size: 14px; font-family: var(--font-body); color: var(--black);
  background: var(--gray-50);
}
.mini-result {
  background: linear-gradient(135deg, #6366f1, #8b5cf6);
  border-radius: var(--radius-sm); padding: 14px 16px;
  display: flex; justify-content: space-between; align-items: center; margin-top: 14px;
}
.mini-result-label { font-size: 13px; color: rgba(255,255,255,0.8); font-weight: 500; }
.mini-result-val { font-size: 22px; font-weight: 700; color: var(--white); font-family: var(--font-display); }

/* =============================================
   WHY US
   ============================================= */
.why-grid {
  display: grid; grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
  gap: 14px; margin-top: 2.5rem;
}
.why-card {
  padding: 1.5rem; border-radius: var(--radius);
  background: var(--white); border: 1.5px solid var(--gray-100);
  transition: transform 0.2s, box-shadow 0.2s;
}
.why-card:hover { transform: translateY(-2px); box-shadow: 0 8px 24px rgba(0,0,0,0.06); }
.why-icon {
  width: 44px; height: 44px; border-radius: 12px;
  display: flex; align-items: center; justify-content: center;
  font-size: 22px; margin-bottom: 12px;
}
.why-title { font-size: 14px; font-weight: 700; color: var(--black); margin-bottom: 6px; }
.why-desc { font-size: 13px; color: var(--gray-500); line-height: 1.6; }

/* =============================================
   CTA BANNER
   ============================================= */
.cta-banner {
  background: linear-gradient(135deg, #6366f1 0%, #8b5cf6 50%, #ec4899 100%);
  border-radius: 24px; padding: 3.5rem 2rem;
  text-align: center; margin: 0 1.5rem 4rem;
  max-width: 1140px; margin: 0 auto 4rem;
  position: relative; overflow: hidden;
}
.cta-banner::before {
  content: '';
  position: absolute; inset: 0;
  background: radial-gradient(circle at 30% 50%, rgba(255,255,255,0.1) 0%, transparent 60%),
              radial-gradient(circle at 70% 50%, rgba(255,255,255,0.08) 0%, transparent 60%);
}
.cta-banner h2 {
  font-family: var(--font-display); font-size: clamp(1.6rem, 3vw, 2.2rem);
  font-weight: 700; color: var(--white); margin-bottom: 0.75rem;
  position: relative;
}
.cta-banner p { font-size: 16px; color: rgba(255,255,255,0.8); margin-bottom: 2rem; position: relative; }
.btn-white {
  background: var(--white); color: #6366f1;
  font-size: 15px; font-weight: 700;
  padding: 14px 32px; border-radius: 50px;
  text-decoration: none; display: inline-block;
  transition: transform 0.15s, box-shadow 0.15s;
  position: relative;
  box-shadow: 0 4px 20px rgba(0,0,0,0.15);
}
.btn-white:hover { transform: translateY(-2px); box-shadow: 0 8px 28px rgba(0,0,0,0.2); }

/* =============================================
   CALCULATOR INDIVIDUAL PAGE
   ============================================= */
.calc-page { max-width: 860px; margin: 0 auto; padding: 3rem 1.5rem; }
.calc-page-header { margin-bottom: 2rem; }
.calc-page-eyebrow {
  font-size: 12px; font-weight: 700; letter-spacing: 0.1em;
  text-transform: uppercase;
  background: linear-gradient(135deg, #6366f1, #ec4899);
  -webkit-background-clip: text; -webkit-text-fill-color: transparent;
  margin-bottom: 0.5rem; display: block;
}
.calc-page-title {
  font-family: var(--font-display);
  font-size: clamp(1.8rem, 3vw, 2.4rem);
  font-weight: 700; letter-spacing: -0.5px; color: var(--black); margin-bottom: 0.5rem;
}
.calc-page-desc { font-size: 15px; color: var(--gray-500); line-height: 1.7; }
.calc-box {
  background: var(--white); border: 1.5px solid var(--gray-100);
  border-radius: var(--radius); padding: 2rem; margin-bottom: 1.5rem;
}
.calc-box-title { font-size: 14px; font-weight: 700; color: var(--gray-700); margin-bottom: 1.5rem; }
.field-group { margin-bottom: 1.25rem; }
.field-label { font-size: 13px; font-weight: 600; color: var(--black); margin-bottom: 6px; display: block; }
.field-input {
  width: 100%; padding: 12px 16px;
  border: 1.5px solid var(--gray-100); border-radius: var(--radius-sm);
  font-size: 15px; font-family: var(--font-body); color: var(--black);
  background: var(--gray-50); outline: none; transition: border-color 0.15s, background 0.15s;
}
.field-input:focus { border-color: #6366f1; background: var(--white); }
.field-hint { font-size: 12px; color: var(--gray-500); margin-top: 4px; }
.result-box {
  background: linear-gradient(135deg, #6366f1, #8b5cf6);
  border-radius: var(--radius); padding: 2rem; margin-top: 1.5rem;
}
.result-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(160px, 1fr)); gap: 1rem; }
.result-item { text-align: center; }
.result-label { font-size: 12px; color: rgba(255,255,255,0.75); font-weight: 600; margin-bottom: 6px; }
.result-value { font-size: 26px; font-weight: 700; color: var(--white); font-family: var(--font-display); }
.calc-info-box {
  background: var(--gray-50); border-radius: var(--radius);
  padding: 1.5rem 2rem; margin-top: 1.5rem;
  border: 1.5px solid var(--gray-100);
}
.calc-info-box h3 { font-size: 15px; font-weight: 700; color: var(--black); margin-bottom: 0.75rem; }
.calc-info-box p { font-size: 14px; color: var(--gray-500); line-height: 1.7; margin-bottom: 0.5rem; }

/* =============================================
   FOOTER
   ============================================= */
footer {
  background: var(--black); color: var(--white);
  padding: 4rem 1.5rem 2rem;
}
.footer-inner {
  max-width: 1140px; margin: 0 auto;
  display: grid; grid-template-columns: 2fr 1fr 1fr 1fr; gap: 2.5rem;
}
.footer-brand {
  font-family: var(--font-display); font-size: 20px; font-weight: 700;
  margin-bottom: 0.75rem;
  background: linear-gradient(135deg, #818cf8, #c084fc, #f472b6);
  -webkit-background-clip: text; -webkit-text-fill-color: transparent;
}
.footer-tagline { font-size: 13px; color: #6b7280; line-height: 1.7; max-width: 220px; }
.footer-col-title {
  font-size: 11px; font-weight: 700; text-transform: uppercase;
  letter-spacing: 0.08em; color: #6b7280; margin-bottom: 1rem;
}
.footer-links { list-style: none; display: flex; flex-direction: column; gap: 9px; }
.footer-links a { font-size: 13px; color: #9ca3af; text-decoration: none; transition: color 0.15s; }
.footer-links a:hover { color: var(--white); }
.footer-bottom {
  max-width: 1140px; margin: 2.5rem auto 0;
  padding-top: 1.5rem; border-top: 1px solid #1f2937;
  display: flex; justify-content: space-between; align-items: center;
  font-size: 12px; color: #6b7280;
}

/* =============================================
   RESPONSIVE
   ============================================= */
@media (max-width: 768px) {
  .nav-links { display: none; }
  .stats-bar { flex-wrap: wrap; }
  .stat-item { border-right: none; border-bottom: 1px solid var(--gray-100); width: 50%; }
  .how-section { grid-template-columns: 1fr; padding: 2rem; gap: 2rem; }
  .footer-inner { grid-template-columns: 1fr 1fr; }
  .hero-wrap { padding: 3.5rem 1.5rem 3rem; }
  .cta-banner { padding: 2.5rem 1.5rem; }
}
@media (max-width: 480px) {
  .footer-inner { grid-template-columns: 1fr; }
  .calc-grid { grid-template-columns: 1fr; }
  .why-grid { grid-template-columns: 1fr 1fr; }
  .hero h1 { letter-spacing: -1px; }
}