/* ============================================================
   SAVON NEXO — SHARED STYLESHEET
   Modern, light UI using logo colors: red / black / gray / white
   ============================================================ */

:root {
  /* Brand */
  --red:           #DC1F26;
  --red-dark:      #A81920;
  --red-bright:    #FF2A33;
  --red-soft:      #FBE8E9;

  /* Neutrals */
  --black:         #0F0F10;
  --charcoal:      #1F2024;
  --gray-900:      #2C2D33;
  --gray-700:      #4A4B52;
  --gray-500:      #6B6C75;
  --gray-400:      #9A9BA3;
  --gray-300:      #C9CAD1;
  --gray-200:      #E6E7EC;
  --gray-100:      #F2F3F6;
  --gray-50:       #F8F9FB;
  --white:         #FFFFFF;

  /* Semantic */
  --success:       #16A34A;
  --success-soft:  #DCFCE7;
  --warning:       #D97706;
  --warning-soft:  #FEF3C7;
  --info:          #2563EB;
  --info-soft:     #DBEAFE;

  /* Effects */
  --radius-sm:     8px;
  --radius:        12px;
  --radius-lg:     20px;
  --shadow-sm:     0 1px 2px rgba(15, 15, 16, 0.05);
  --shadow:        0 4px 16px rgba(15, 15, 16, 0.06);
  --shadow-lg:     0 12px 36px rgba(15, 15, 16, 0.10);
  --shadow-red:    0 8px 24px rgba(220, 31, 38, 0.25);
  --transition:    all 0.2s ease;

  /* Type */
  --font-sans:     'Inter', -apple-system, 'Segoe UI', Roboto, sans-serif;
  --font-display:  'Space Grotesk', 'Inter', sans-serif;
}

/* ============ RESET ============ */
*, *::before, *::after { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  font-family: var(--font-sans);
  background: var(--white);
  color: var(--charcoal);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}
img { max-width: 100%; display: block; }
a { color: var(--red); text-decoration: none; transition: var(--transition); }
a:hover { color: var(--red-dark); }
button { font-family: inherit; cursor: pointer; border: none; background: none; }

/* ============ LAYOUT ============ */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}
.container-sm { max-width: 880px; margin: 0 auto; padding: 0 24px; }

section { padding: 96px 0; }
@media (max-width: 768px) {
  section { padding: 64px 0; }
}

/* ============ NAVIGATION ============ */
.nav {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: saturate(160%) blur(12px);
  -webkit-backdrop-filter: saturate(160%) blur(12px);
  border-bottom: 1px solid var(--gray-200);
}
.nav-inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: 16px 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 32px;
}
.nav-brand {
  display: flex;
  align-items: center;
  gap: 12px;
  text-decoration: none;
  color: var(--charcoal);
}
.nav-brand .logo-img { height: 44px; width: auto; }
.nav-brand:hover { color: var(--charcoal); }

.nav-links {
  display: flex;
  align-items: center;
  gap: 4px;
  list-style: none;
}
.nav-links a {
  color: var(--gray-700);
  font-size: 14px;
  font-weight: 500;
  padding: 8px 14px;
  border-radius: var(--radius-sm);
  transition: var(--transition);
}
.nav-links a:hover {
  color: var(--charcoal);
  background: var(--gray-100);
}
.nav-links a.active {
  color: var(--red);
}
.nav-cta {
  display: flex;
  align-items: center;
  gap: 10px;
}

.nav-toggle {
  display: none;
  width: 40px; height: 40px;
  border-radius: var(--radius-sm);
  align-items: center; justify-content: center;
  color: var(--charcoal);
}
.nav-toggle:hover { background: var(--gray-100); }

@media (max-width: 960px) {
  .nav-toggle { display: inline-flex; }
  .nav-links {
    position: fixed;
    top: 76px; left: 0; right: 0;
    flex-direction: column;
    background: var(--white);
    padding: 16px 24px 24px;
    gap: 4px;
    border-bottom: 1px solid var(--gray-200);
    box-shadow: var(--shadow);
    transform: translateY(-12px);
    opacity: 0;
    pointer-events: none;
    transition: var(--transition);
  }
  .nav-links.open {
    transform: translateY(0);
    opacity: 1;
    pointer-events: auto;
  }
  .nav-links a { width: 100%; padding: 12px 14px; }
  .nav-cta .btn-text { display: none; }
}

/* ============ BUTTONS ============ */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 22px;
  border-radius: var(--radius-sm);
  font-size: 14px;
  font-weight: 600;
  letter-spacing: 0.2px;
  cursor: pointer;
  transition: var(--transition);
  border: 1.5px solid transparent;
  white-space: nowrap;
  font-family: inherit;
}
.btn-primary {
  background: var(--red);
  color: var(--white);
  box-shadow: var(--shadow-red);
}
.btn-primary:hover {
  background: var(--red-dark);
  color: var(--white);
  transform: translateY(-1px);
  box-shadow: 0 12px 28px rgba(220, 31, 38, 0.32);
}
.btn-dark {
  background: var(--charcoal);
  color: var(--white);
}
.btn-dark:hover { background: var(--black); color: var(--white); transform: translateY(-1px); }
.btn-outline {
  background: transparent;
  color: var(--charcoal);
  border-color: var(--gray-300);
}
.btn-outline:hover {
  border-color: var(--charcoal);
  background: var(--charcoal);
  color: var(--white);
}
.btn-ghost {
  color: var(--gray-700);
  background: transparent;
}
.btn-ghost:hover { background: var(--gray-100); color: var(--charcoal); }
.btn-lg { padding: 16px 28px; font-size: 15px; }
.btn-sm { padding: 8px 14px; font-size: 13px; }
.btn-block { width: 100%; }

/* ============ HERO ============ */
.hero {
  position: relative;
  padding: 88px 0 96px;
  overflow: hidden;
  background:
    radial-gradient(1200px 500px at 80% -20%, rgba(220, 31, 38, 0.08), transparent 60%),
    radial-gradient(800px 400px at -10% 40%, rgba(15, 15, 16, 0.04), transparent 60%),
    var(--white);
}
.hero-grid {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  align-items: center;
  gap: 64px;
}
@media (max-width: 960px) {
  .hero-grid { grid-template-columns: 1fr; gap: 40px; }
  .hero { padding: 56px 0 64px; }
}
.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: var(--red-soft);
  color: var(--red-dark);
  padding: 6px 14px;
  border-radius: 999px;
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.6px;
  text-transform: uppercase;
  margin-bottom: 20px;
}
.eyebrow .dot { width: 6px; height: 6px; border-radius: 50%; background: var(--red); }

.hero h1 {
  font-family: var(--font-display);
  font-size: clamp(36px, 5vw, 60px);
  line-height: 1.05;
  letter-spacing: -0.02em;
  color: var(--charcoal);
  margin-bottom: 20px;
  font-weight: 700;
}
.hero h1 .accent { color: var(--red); }
.hero p.lede {
  font-size: 18px;
  color: var(--gray-700);
  margin-bottom: 32px;
  max-width: 540px;
}
.hero-cta { display: flex; gap: 12px; flex-wrap: wrap; }

.hero-visual {
  position: relative;
  aspect-ratio: 1 / 1;
  max-width: 480px;
  margin: 0 auto;
}
.hero-visual .card-stack {
  position: absolute; inset: 0;
}
.hero-card {
  position: absolute;
  background: var(--white);
  border-radius: var(--radius);
  box-shadow: var(--shadow-lg);
  border: 1px solid var(--gray-200);
  padding: 18px 20px;
}
.hero-card .label {
  font-size: 11px;
  text-transform: uppercase;
  color: var(--gray-500);
  letter-spacing: 0.8px;
  margin-bottom: 8px;
  font-weight: 600;
}
.hero-card .value {
  font-family: var(--font-display);
  font-size: 28px;
  font-weight: 700;
  color: var(--charcoal);
  line-height: 1;
}
.hero-card .delta {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  font-size: 12px;
  font-weight: 600;
  color: var(--success);
  margin-top: 6px;
}

.hc-1 { top: 6%; left: 4%; width: 56%; }
.hc-2 { top: 30%; right: 0; width: 50%; }
.hc-3 { bottom: 4%; left: 18%; width: 60%; }
.hc-bars { background: linear-gradient(135deg, var(--red) 0%, var(--red-dark) 100%); color: var(--white); }
.hc-bars .label { color: rgba(255,255,255,0.7); }
.hc-bars .value { color: var(--white); }
.bars { display: flex; align-items: end; gap: 6px; margin-top: 14px; height: 56px; }
.bars span {
  flex: 1;
  background: rgba(255,255,255,0.85);
  border-radius: 3px;
}

.spark {
  height: 40px;
  margin-top: 10px;
}
.spark path { fill: none; stroke: var(--red); stroke-width: 2.5; }

/* ============ SECTION HEADER ============ */
.section-head {
  text-align: center;
  max-width: 720px;
  margin: 0 auto 56px;
}
.section-head .eyebrow { margin-bottom: 14px; }
.section-head h2 {
  font-family: var(--font-display);
  font-size: clamp(28px, 3.6vw, 40px);
  line-height: 1.15;
  letter-spacing: -0.02em;
  color: var(--charcoal);
  margin-bottom: 14px;
  font-weight: 700;
}
.section-head p {
  font-size: 17px;
  color: var(--gray-700);
}

/* ============ CARDS / GRIDS ============ */
.grid-3 {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.grid-4 {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}
.grid-2 {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 28px;
}
@media (max-width: 900px) { .grid-3, .grid-4 { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 600px) { .grid-3, .grid-4, .grid-2 { grid-template-columns: 1fr; } }

.service-card {
  background: var(--white);
  border: 1px solid var(--gray-200);
  border-radius: var(--radius);
  padding: 28px;
  transition: var(--transition);
  position: relative;
  overflow: hidden;
}
.service-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 3px;
  background: var(--red);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.3s ease;
}
.service-card:hover {
  transform: translateY(-4px);
  border-color: var(--gray-300);
  box-shadow: var(--shadow);
}
.service-card:hover::before { transform: scaleX(1); }
.service-card .icon {
  width: 52px; height: 52px;
  border-radius: var(--radius-sm);
  background: var(--red-soft);
  color: var(--red);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 18px;
}
.service-card h3 {
  font-family: var(--font-display);
  font-size: 20px;
  font-weight: 700;
  color: var(--charcoal);
  margin-bottom: 10px;
}
.service-card p {
  color: var(--gray-700);
  font-size: 15px;
  margin-bottom: 18px;
}
.service-card .arrow {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  color: var(--red);
  font-weight: 600;
  font-size: 14px;
}

/* ============ STATS ============ */
.stats {
  background: var(--charcoal);
  color: var(--white);
  border-radius: var(--radius-lg);
  padding: 56px 40px;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
  text-align: center;
}
@media (max-width: 700px) { .stats { grid-template-columns: repeat(2, 1fr); padding: 36px 20px; } }
.stat .num {
  font-family: var(--font-display);
  font-size: 44px;
  font-weight: 700;
  line-height: 1;
  color: var(--white);
}
.stat .num .accent { color: var(--red-bright); }
.stat .label {
  margin-top: 10px;
  font-size: 13px;
  color: var(--gray-300);
  letter-spacing: 0.6px;
  text-transform: uppercase;
  font-weight: 500;
}

/* ============ FEATURE LIST ============ */
.feature-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: center;
}
@media (max-width: 900px) {
  .feature-row { grid-template-columns: 1fr; gap: 32px; }
}
.feature-row.reverse { direction: rtl; }
.feature-row.reverse > * { direction: ltr; }
.feature-text h2 {
  font-family: var(--font-display);
  font-size: clamp(26px, 3vw, 36px);
  margin-bottom: 16px;
  color: var(--charcoal);
  line-height: 1.15;
  letter-spacing: -0.01em;
}
.feature-text p {
  color: var(--gray-700);
  font-size: 16px;
  margin-bottom: 20px;
}
.check-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 12px;
  margin-top: 14px;
}
.check-list li {
  display: flex;
  gap: 12px;
  align-items: start;
  font-size: 15px;
  color: var(--gray-700);
}
.check-list .check {
  flex-shrink: 0;
  width: 22px; height: 22px;
  border-radius: 50%;
  background: var(--red-soft);
  color: var(--red);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  margin-top: 1px;
}
.feature-visual {
  aspect-ratio: 4 / 3;
  background: var(--gray-50);
  border: 1px solid var(--gray-200);
  border-radius: var(--radius);
  padding: 24px;
  position: relative;
  overflow: hidden;
}

/* ============ CTA BANNER ============ */
.cta-banner {
  background: linear-gradient(135deg, var(--charcoal) 0%, var(--black) 100%);
  border-radius: var(--radius-lg);
  padding: 56px 48px;
  color: var(--white);
  display: grid;
  grid-template-columns: 1.4fr 1fr;
  gap: 32px;
  align-items: center;
  position: relative;
  overflow: hidden;
}
.cta-banner::before {
  content: '';
  position: absolute;
  top: -50%; right: -10%;
  width: 480px; height: 480px;
  background: radial-gradient(circle, rgba(220,31,38,0.25) 0%, transparent 60%);
  border-radius: 50%;
}
.cta-banner h2 {
  font-family: var(--font-display);
  font-size: clamp(26px, 3vw, 36px);
  line-height: 1.15;
  position: relative;
  letter-spacing: -0.01em;
}
.cta-banner p { color: var(--gray-300); margin-top: 12px; position: relative; max-width: 520px; }
.cta-banner .cta-actions {
  display: flex; gap: 12px; flex-wrap: wrap; justify-content: end;
  position: relative;
}
@media (max-width: 800px) {
  .cta-banner { grid-template-columns: 1fr; padding: 36px 24px; }
  .cta-banner .cta-actions { justify-content: start; }
}

/* ============ FOOTER ============ */
.footer {
  background: var(--charcoal);
  color: var(--gray-300);
  padding: 64px 0 28px;
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr repeat(3, 1fr);
  gap: 40px;
  margin-bottom: 40px;
}
@media (max-width: 800px) {
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 32px; }
}
@media (max-width: 500px) { .footer-grid { grid-template-columns: 1fr; } }
.footer h4 {
  color: var(--white);
  font-size: 13px;
  text-transform: uppercase;
  letter-spacing: 1px;
  margin-bottom: 16px;
  font-weight: 600;
}
.footer ul { list-style: none; display: flex; flex-direction: column; gap: 10px; }
.footer a { color: var(--gray-300); font-size: 14px; }
.footer a:hover { color: var(--white); }
.footer-brand .logo-img {
  height: 44px; margin-bottom: 16px; filter: brightness(0) invert(1);
}
.footer-brand p { font-size: 14px; max-width: 320px; line-height: 1.6; }
.footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.1);
  padding-top: 24px;
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 12px;
  font-size: 13px;
  color: var(--gray-400);
}

/* ============ FORMS ============ */
.field { display: flex; flex-direction: column; gap: 6px; margin-bottom: 16px; }
.field label {
  font-size: 12px;
  font-weight: 600;
  color: var(--gray-700);
  letter-spacing: 0.4px;
  text-transform: uppercase;
}
.field input, .field select, .field textarea {
  padding: 12px 14px;
  border: 1.5px solid var(--gray-200);
  border-radius: var(--radius-sm);
  font-family: inherit;
  font-size: 14px;
  background: var(--white);
  color: var(--charcoal);
  transition: var(--transition);
  width: 100%;
}
.field input:focus, .field select:focus, .field textarea:focus {
  outline: none;
  border-color: var(--red);
  box-shadow: 0 0 0 3px rgba(220, 31, 38, 0.12);
}
.field textarea { resize: vertical; min-height: 110px; }

/* ============ BADGES ============ */
.badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 4px 10px;
  border-radius: 999px;
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.5px;
  text-transform: uppercase;
}
.badge-red { background: var(--red-soft); color: var(--red-dark); }
.badge-gray { background: var(--gray-100); color: var(--gray-700); }
.badge-success { background: var(--success-soft); color: var(--success); }

/* ============ ALERTS ============ */
.alert {
  padding: 12px 16px;
  border-radius: var(--radius-sm);
  font-size: 14px;
  font-weight: 500;
  display: flex; align-items: center; gap: 10px;
  margin-bottom: 16px;
}
.alert-error { background: var(--red-soft); color: var(--red-dark); }
.alert-success { background: var(--success-soft); color: var(--success); }
.alert-info { background: var(--info-soft); color: var(--info); }

/* ============ PAGE HEADER ============ */
.page-header {
  background: var(--gray-50);
  padding: 80px 0 64px;
  border-bottom: 1px solid var(--gray-200);
  text-align: center;
}
.page-header h1 {
  font-family: var(--font-display);
  font-size: clamp(32px, 4.5vw, 48px);
  letter-spacing: -0.02em;
  color: var(--charcoal);
  margin-bottom: 12px;
  line-height: 1.1;
}
.page-header p {
  font-size: 17px;
  color: var(--gray-700);
  max-width: 640px;
  margin: 0 auto;
}

/* ============ UTILITIES ============ */
.text-red { color: var(--red); }
.text-center { text-align: center; }
.mt-4 { margin-top: 16px; }
.mt-6 { margin-top: 24px; }
.mt-8 { margin-top: 32px; }
.mb-4 { margin-bottom: 16px; }
.mb-6 { margin-bottom: 24px; }
.gap-2 { gap: 8px; }
.flex { display: flex; }
.items-center { align-items: center; }