/* ============================================================
   CSS Custom Properties — Dark theme is default.
   Light theme values are overridden via prefers-color-scheme.
   ============================================================ */
:root {
  /* Brand */
  --blue: #3b82f6;
  --purple: #8b5cf6;
  --gradient: linear-gradient(135deg, #3b82f6, #8b5cf6);
  --radius: 12px;

  /* Text */
  --dark: #f1f5f9;        /* heading colour — flips per theme */
  --text: #e2e8f0;
  --text-muted: #94a3b8;

  /* Surfaces */
  --surface: #0f1d35;
  --surface-2: #111d30;
  --border: rgba(255, 255, 255, 0.07);

  /* Body animated gradient stops */
  --body-c1: #080c18;
  --body-c2: #0e1425;
  --body-c3: #0a0f1e;
  --body-c4: #06090f;

  /* Navbar */
  --navbar-bg: rgba(8, 12, 24, 0.92);
  --navbar-shadow: rgba(255, 255, 255, 0.05);
  --nav-color: #cbd5e1;

  /* Hero gradient stops */
  --hero-c1: #0d1b3e;
  --hero-c2: #1a0a3e;
  --hero-c3: #0d0a2e;
  --hero-c4: #061829;

  /* Hero badge */
  --badge-bg: rgba(59, 130, 246, 0.15);
  --badge-color: #93c5fd;
  --badge-border: rgba(59, 130, 246, 0.3);

  /* Section tag */
  --tag-bg: rgba(59, 130, 246, 0.12);
  --tag-color: #93c5fd;
  --tag-border: rgba(59, 130, 246, 0.2);

  /* Section backgrounds */
  --grey-bg: linear-gradient(160deg, #0a0f1c 0%, #0d1428 100%);
  --services-bg: linear-gradient(175deg, #08101e 0%, #0a1530 50%, #0d0a28 100%);
  --techstack-bg: linear-gradient(175deg, #0d0a28 0%, #0a0f1e 50%, #06101e 100%);
  --process-bg: linear-gradient(160deg, #090e1c 0%, #0d1428 100%);
  --about-bg: linear-gradient(135deg, #080e1e 0%, #0d1225 45%, #0a0d22 100%);
  --contact-bg: linear-gradient(135deg, #08101e 0%, #070d1a 45%, #0a0820 100%);
  --testimonials-bg: linear-gradient(135deg, #0a0a1e 0%, #0d0a22 45%, #0a0d28 100%);
  --faq-bg: linear-gradient(175deg, #06100e 0%, #080f1c 50%, #0a0a1e 100%);

  /* Card icon background */
  --icon-bg: linear-gradient(135deg, rgba(59, 130, 246, 0.15), rgba(139, 92, 246, 0.15));

  /* Hover glows */
  --hover-shadow: rgba(59, 130, 246, 0.18);

  /* Tech item label */
  --tech-color: #cbd5e1;

  /* Contact card border */
  --ci-border: rgba(59, 130, 246, 0.15);
  --ci-border-hover: rgba(59, 130, 246, 0.35);

  /* Form inputs */
  --input-bg: #111d30;
  --input-border: rgba(255, 255, 255, 0.1);
  --placeholder: #4a5568;

  /* Dividers */
  --author-divider: rgba(255, 255, 255, 0.07);
  --faq-divider: rgba(255, 255, 255, 0.07);

  /* Footer */
  --footer-bg: #030810;
  --footer-text: #475569;
  --footer-border: rgba(255, 255, 255, 0.05);

  /* WhatsApp tooltip */
  --tooltip-bg: #1e2d45;
  --tooltip-arrow: #1e2d45;
  --tooltip-outline: rgba(255, 255, 255, 0.1);

  /* Logo pill */
  --logo-pill-bg: linear-gradient(135deg, rgba(59, 130, 246, 0.12), rgba(139, 92, 246, 0.12));
  --logo-pill-border: rgba(59, 130, 246, 0.3);
  --logo-pill-shadow: 0 0 22px rgba(59, 130, 246, 0.16), inset 0 1px 0 rgba(255, 255, 255, 0.05);

  /* Scroll progress bar */
  --progress-track: rgba(255, 255, 255, 0.07);
}

/* ============================================================
   Light theme overrides
   ============================================================ */
@media (prefers-color-scheme: light) {
  :root {
    --blue: #2563EB;
    --purple: #7C3AED;
    --gradient: linear-gradient(135deg, #2563EB, #7C3AED);

    --dark: #0F172A;
    --text: #1E293B;
    --text-muted: #64748B;

    --surface: white;
    --surface-2: white;
    --border: rgba(0, 0, 0, 0.05);

    --body-c1: #f0f4ff;
    --body-c2: #faf0ff;
    --body-c3: #fff0fa;
    --body-c4: #f0fff4;

    --navbar-bg: rgba(255, 255, 255, 0.92);
    --navbar-shadow: rgba(0, 0, 0, 0.08);
    --nav-color: #1E293B;

    --hero-c1: #dbeafe;
    --hero-c2: #ede9fe;
    --hero-c3: #fce7f3;
    --hero-c4: #cffafe;

    --badge-bg: rgba(37, 99, 235, 0.1);
    --badge-color: #2563EB;
    --badge-border: rgba(37, 99, 235, 0.2);

    --tag-bg: rgba(37, 99, 235, 0.08);
    --tag-color: #2563EB;
    --tag-border: transparent;

    --grey-bg: linear-gradient(160deg, #f5f7ff 0%, #f1f5f9 100%);
    --services-bg: linear-gradient(175deg, #ffffff 0%, #eff6ff 50%, #faf5ff 100%);
    --techstack-bg: linear-gradient(175deg, #faf5ff 0%, #eff6ff 50%, #f0fdf4 100%);
    --process-bg: linear-gradient(160deg, #f5f7ff 0%, #f1f5f9 100%);
    --about-bg: linear-gradient(135deg, #fff7ed 0%, #fef9c3 45%, #fce7f3 100%);
    --contact-bg: linear-gradient(135deg, #eff6ff 0%, #f0fdf4 45%, #faf5ff 100%);
    --testimonials-bg: linear-gradient(135deg, #fefce8 0%, #fff7ed 45%, #fdf4ff 100%);
    --faq-bg: linear-gradient(175deg, #f0fdf4 0%, #f5f7ff 50%, #fdf4ff 100%);

    --icon-bg: linear-gradient(135deg, rgba(37, 99, 235, 0.1), rgba(124, 58, 237, 0.1));

    --hover-shadow: rgba(37, 99, 235, 0.13);

    --tech-color: #1E293B;

    --ci-border: rgba(37, 99, 235, 0.12);
    --ci-border-hover: rgba(37, 99, 235, 0.3);

    --input-bg: white;
    --input-border: #E2E8F0;
    --placeholder: #94a3b8;

    --author-divider: rgba(0, 0, 0, 0.06);
    --faq-divider: rgba(37, 99, 235, 0.08);

    --footer-bg: #0F172A;
    --footer-text: #64748B;
    --footer-border: transparent;

    --tooltip-bg: #0F172A;
    --tooltip-arrow: #0F172A;
    --tooltip-outline: transparent;

    /* Logo pill */
    --logo-pill-bg: linear-gradient(135deg, rgba(37, 99, 235, 0.07), rgba(124, 58, 237, 0.07));
    --logo-pill-border: rgba(37, 99, 235, 0.22);
    --logo-pill-shadow: 0 2px 14px rgba(37, 99, 235, 0.1), inset 0 1px 0 rgba(255, 255, 255, 0.7);

    /* Scroll progress bar */
    --progress-track: rgba(0, 0, 0, 0.08);
  }
}

/* ============================================================
   Reset & Base
   ============================================================ */
html { scroll-behavior: smooth; }
* { box-sizing: border-box; }

body {
  margin: 0;
  font-family: 'Inter', sans-serif;
  background: linear-gradient(-45deg, var(--body-c1), var(--body-c2), var(--body-c3), var(--body-c4));
  background-size: 400% 400%;
  animation: bodyShift 18s ease infinite;
  color: var(--text);
  line-height: 1.6;
  overflow-x: hidden;
}

img {
  max-width: 100%;
  height: auto;
}

/* --- Container --- */
.container {
  width: 90%;
  max-width: 1100px;
  margin: auto;
  position: relative;
  z-index: 1;
}

/* ============================================================
   Navbar
   ============================================================ */
.navbar {
  position: sticky;
  top: 0;
  z-index: 100;
  background: var(--navbar-bg);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  padding: 15px 0;
  box-shadow: 0 1px 0 var(--navbar-shadow);
  transition: box-shadow 0.3s ease;
}

.navbar .container {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.logo {
  font-family: 'Poppins', sans-serif;
  font-size: 1.4rem;
  font-weight: 700;
  background: var(--gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  margin: 0;
  letter-spacing: -0.5px;
  display: flex;
  align-items: center;
  gap: 8px;
  position: relative;
  padding: 7px 16px 7px 12px;
  border-radius: 12px;
}

.logo::before {
  content: '';
  position: absolute;
  inset: 0;
  border-radius: 12px;
  background: var(--logo-pill-bg);
  border: 1.5px solid var(--logo-pill-border);
  box-shadow: var(--logo-pill-shadow);
  z-index: -1;
  transition: box-shadow 0.3s ease, border-color 0.3s ease;
}

.logo:hover::before {
  box-shadow: 0 0 32px rgba(59, 130, 246, 0.28), inset 0 1px 0 rgba(255, 255, 255, 0.08);
  border-color: rgba(139, 92, 246, 0.45);
}

.logo i { font-size: 1.1rem; }

.nav-toggle {
  display: none;
  width: 40px;
  height: 40px;
  border: 1px solid rgba(59, 130, 246, 0.35);
  border-radius: 10px;
  background: rgba(59, 130, 246, 0.12);
  color: var(--dark);
  font-size: 1rem;
  align-items: center;
  justify-content: center;
  cursor: pointer;
}

.nav-toggle:hover {
  border-color: rgba(59, 130, 246, 0.55);
}

nav ul {
  display: flex;
  gap: 28px;
  list-style: none;
  margin: 0;
  padding: 0;
}

nav a {
  text-decoration: none;
  color: var(--nav-color);
  font-size: 0.92rem;
  font-weight: 500;
  position: relative;
  padding-bottom: 4px;
  transition: color 0.2s;
}

nav a::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 100%;
  height: 2px;
  background: var(--gradient);
  border-radius: 2px;
  transform: scaleX(0);
  transform-origin: right;
  transition: transform 0.3s ease;
}

nav a:hover { color: var(--blue); }
nav a:hover::after { transform: scaleX(1); transform-origin: left; }

.cta-btn {
  background: var(--gradient);
  color: white;
  padding: 9px 20px;
  border-radius: 8px;
  text-decoration: none;
  font-size: 0.9rem;
  font-weight: 600;
  transition: transform 0.2s, box-shadow 0.2s;
  box-shadow: 0 2px 12px rgba(59, 130, 246, 0.3);
}

.cta-btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(59, 130, 246, 0.45);
}

/* --- Scroll Progress Bar --- */
.scroll-progress-bar {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: var(--progress-track);
  overflow: hidden;
}

.scroll-progress-fill {
  height: 100%;
  width: 0%;
  background: var(--gradient);
  border-radius: 0 2px 2px 0;
  box-shadow: 0 0 10px rgba(59, 130, 246, 0.55), 0 0 4px rgba(139, 92, 246, 0.4);
  transition: width 0.1s linear;
}

/* ============================================================
   Hero
   ============================================================ */
.hero {
  padding: 100px 0 80px;
  background: linear-gradient(-45deg, var(--hero-c1), var(--hero-c2), var(--hero-c3), var(--hero-c4));
  background-size: 400% 400%;
  animation: aurora 10s ease infinite;
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, rgba(99, 102, 241, 0.25) 0%, transparent 65%);
  top: -160px;
  right: -140px;
  border-radius: 50%;
  pointer-events: none;
}

.hero::after {
  content: '';
  position: absolute;
  width: 450px;
  height: 450px;
  background: radial-gradient(circle, rgba(139, 92, 246, 0.18) 0%, transparent 65%);
  bottom: -80px;
  left: 0;
  border-radius: 50%;
  pointer-events: none;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  align-items: center;
  gap: 60px;
  position: relative;
  z-index: 1;
}

.hero-badge {
  display: inline-block;
  background: var(--badge-bg);
  color: var(--badge-color);
  font-size: 0.78rem;
  font-weight: 600;
  padding: 5px 14px;
  border-radius: 20px;
  margin-bottom: 18px;
  letter-spacing: 0.5px;
  text-transform: uppercase;
  border: 1px solid var(--badge-border);
  animation: fadeInDown 0.6s ease both;
}

.hero h1 {
  font-family: 'Poppins', sans-serif;
  font-size: 2.6rem;
  font-weight: 700;
  line-height: 1.22;
  color: var(--dark);
  margin: 0 0 18px;
  animation: fadeInUp 0.7s 0.1s ease both;
}

.hero h1 span {
  background: var(--gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero p {
  font-size: 1.05rem;
  color: var(--text-muted);
  margin: 0 0 32px;
  max-width: 460px;
  animation: fadeInUp 0.7s 0.2s ease both;
}

.visitor-welcome {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 10px 14px;
  border-radius: 12px;
  margin: -8px 0 24px;
  background: rgba(59, 130, 246, 0.12);
  border: 1px solid rgba(59, 130, 246, 0.28);
  color: var(--dark);
  animation: fadeInUp 0.7s 0.25s ease both;
}

.welcome-emoji {
  width: 22px;
  height: 22px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
}

.welcome-emoji img {
  width: 100%;
  height: 100%;
  display: block;
}

.welcome-text {
  font-size: 0.9rem;
  color: var(--text);
}

.welcome-text strong {
  color: var(--blue);
  font-weight: 700;
}

.primary-btn {
  background: var(--gradient);
  color: white;
  padding: 13px 28px;
  border-radius: 10px;
  text-decoration: none;
  font-weight: 600;
  font-size: 0.96rem;
  display: inline-block;
  transition: transform 0.2s, box-shadow 0.2s;
  box-shadow: 0 4px 18px rgba(59, 130, 246, 0.35);
  animation: fadeInUp 0.7s 0.3s ease both;
}

.primary-btn:hover {
  transform: translateY(-3px);
  box-shadow: 0 10px 28px rgba(59, 130, 246, 0.5);
}

.hero-actions {
  display: flex;
  gap: 14px;
  flex-wrap: wrap;
  margin-bottom: 16px;
}

.secondary-btn {
  background: transparent;
  color: var(--dark);
  padding: 13px 22px;
  border-radius: 10px;
  text-decoration: none;
  font-weight: 600;
  font-size: 0.96rem;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  border: 1.5px solid var(--border);
  transition: border-color 0.2s, background 0.2s, color 0.2s;
}

.secondary-btn:hover {
  border-color: rgba(59, 130, 246, 0.5);
  background: rgba(59, 130, 246, 0.08);
  color: var(--blue);
}

.hero-trust {
  display: flex;
  gap: 18px;
  flex-wrap: wrap;
  animation: fadeInUp 0.7s 0.4s ease both;
}

.hero-trust span {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 0.8rem;
  color: var(--text-muted);
}

.hero-trust span i {
  color: var(--blue);
  font-size: 0.74rem;
}

/* Industries trust bar */
.trust-bar {
  background: var(--surface);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  padding: 16px 0;
}

.trust-bar .container {
  display: flex;
  align-items: center;
  gap: 18px;
  flex-wrap: wrap;
  justify-content: center;
}

.trust-bar-label {
  font-size: 0.72rem;
  font-weight: 700;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.8px;
  white-space: nowrap;
  margin: 0;
}

.trust-tags {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  justify-content: center;
}

.trust-tags span {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 5px 13px;
  background: rgba(59, 130, 246, 0.07);
  border: 1px solid rgba(59, 130, 246, 0.18);
  border-radius: 20px;
  font-size: 0.79rem;
  color: var(--text-muted);
  font-weight: 500;
}

.trust-tags span i {
  color: var(--blue);
  font-size: 0.73rem;
}

.hero-image {
  display: flex;
  justify-content: center;
  animation: fadeInRight 0.8s 0.2s ease both;
}

.hero-image img {
  max-width: 380px;
  width: 100%;
  animation: float 5s ease-in-out infinite;
  filter: drop-shadow(0 20px 40px rgba(59, 130, 246, 0.2));
}

/* ============================================================
   Sections
   ============================================================ */
.section {
  padding: 90px 0;
  text-align: center;
}

.grey { background: var(--grey-bg); }

/* Per-section backgrounds */
#services     { background: var(--services-bg);     position: relative; overflow: hidden; }
#techstack    { background: var(--techstack-bg);    position: relative; overflow: hidden; }
#process      { background: var(--process-bg);      position: relative; overflow: hidden; }
#about        { background: var(--about-bg);        position: relative; overflow: hidden; }
#contact      { background: var(--contact-bg);      position: relative; overflow: hidden; }
#testimonials { background: var(--testimonials-bg); position: relative; overflow: hidden; }
#faq          { background: var(--faq-bg);          position: relative; overflow: hidden; }

/* Decorative blobs */
#services::before {
  content: '';
  position: absolute;
  width: 500px; height: 500px;
  background: radial-gradient(circle, rgba(59, 130, 246, 0.1) 0%, transparent 65%);
  top: -100px; left: -80px;
  border-radius: 50%; pointer-events: none;
}
#services::after {
  content: '';
  position: absolute;
  width: 400px; height: 400px;
  background: radial-gradient(circle, rgba(139, 92, 246, 0.08) 0%, transparent 65%);
  bottom: -80px; right: -60px;
  border-radius: 50%; pointer-events: none;
}

#techstack::before {
  content: '';
  position: absolute;
  width: 560px;
  height: 560px;
  background: radial-gradient(circle, rgba(34, 211, 238, 0.15) 0%, transparent 65%);
  top: -160px;
  right: -110px;
  border-radius: 50%;
  pointer-events: none;
}

#techstack::after {
  content: '';
  position: absolute;
  width: 420px;
  height: 420px;
  background: radial-gradient(circle, rgba(59, 130, 246, 0.16) 0%, transparent 65%);
  bottom: -120px;
  left: -80px;
  border-radius: 50%;
  pointer-events: none;
}

#packages {
  background: linear-gradient(135deg, #0f172a 0%, #1e1b4b 55%, #0d1117 100%);
  position: relative; overflow: hidden;
}
#packages::before {
  content: '';
  position: absolute;
  width: 600px; height: 600px;
  background: radial-gradient(circle, rgba(99, 102, 241, 0.2) 0%, transparent 60%);
  top: -150px; right: -100px;
  border-radius: 50%; pointer-events: none;
}
#packages::after {
  content: '';
  position: absolute;
  width: 450px; height: 450px;
  background: radial-gradient(circle, rgba(167, 139, 250, 0.14) 0%, transparent 60%);
  bottom: -100px; left: -80px;
  border-radius: 50%; pointer-events: none;
}
#packages .section-tag {
  background: rgba(129, 140, 248, 0.18);
  color: #a5b4fc;
  border: 1px solid rgba(165, 180, 252, 0.3);
}
#packages h2 { color: white; }
#packages .section-subtitle { color: #94a3b8; }

#about::before {
  content: '';
  position: absolute;
  width: 500px; height: 500px;
  background: radial-gradient(circle, rgba(59, 130, 246, 0.1) 0%, transparent 65%);
  top: -80px; right: -80px;
  border-radius: 50%; pointer-events: none;
}
#about::after {
  content: '';
  position: absolute;
  width: 380px; height: 380px;
  background: radial-gradient(circle, rgba(139, 92, 246, 0.1) 0%, transparent 65%);
  bottom: -60px; left: -60px;
  border-radius: 50%; pointer-events: none;
}

#contact::before {
  content: '';
  position: absolute;
  width: 480px; height: 480px;
  background: radial-gradient(circle, rgba(59, 130, 246, 0.1) 0%, transparent 65%);
  top: -80px; left: -80px;
  border-radius: 50%; pointer-events: none;
}
#contact::after {
  content: '';
  position: absolute;
  width: 360px; height: 360px;
  background: radial-gradient(circle, rgba(139, 92, 246, 0.08) 0%, transparent 65%);
  bottom: -60px; right: -40px;
  border-radius: 50%; pointer-events: none;
}

.section-tag {
  display: inline-block;
  background: var(--tag-bg);
  color: var(--tag-color);
  font-size: 0.78rem;
  font-weight: 600;
  padding: 4px 13px;
  border-radius: 20px;
  margin-bottom: 12px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  border: 1px solid var(--tag-border);
}

.section h2 {
  font-family: 'Poppins', sans-serif;
  font-size: 2rem;
  font-weight: 700;
  color: var(--dark);
  margin: 0 0 12px;
}

.section-subtitle {
  color: var(--text-muted);
  margin: 0 auto 10px;
  max-width: 480px;
  font-size: 1rem;
}

/* ============================================================
   Service Cards
   ============================================================ */
.card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 24px;
  margin-top: 50px;
}

.card {
  background: var(--surface-2);
  padding: 32px 28px;
  border-radius: var(--radius);
  box-shadow: 0 2px 12px rgba(0, 0, 0, 0.15);
  text-align: left;
  border: 1px solid var(--border);
  transition: transform 0.3s ease, box-shadow 0.3s ease, border-color 0.3s ease;
  position: relative;
  overflow: hidden;
}

.card::before {
  content: '';
  position: absolute;
  top: 0; left: 0;
  width: 4px; height: 100%;
  background: var(--gradient);
  transform: scaleY(0);
  transform-origin: bottom;
  transition: transform 0.3s ease;
}

.card:hover {
  transform: translateY(-8px);
  box-shadow: 0 20px 44px var(--hover-shadow);
}
.card:hover::before { transform: scaleY(1); }

.card-icon {
  width: 52px; height: 52px;
  background: var(--icon-bg);
  border-radius: 14px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 20px;
  font-size: 1.35rem;
  color: var(--blue);
  transition: transform 0.3s;
}

.card:hover .card-icon { transform: scale(1.1) rotate(-6deg); }

.card h3 {
  font-family: 'Poppins', sans-serif;
  font-size: 1.05rem;
  font-weight: 600;
  color: var(--dark);
  margin: 0 0 10px;
}

.card p {
  color: var(--text-muted);
  font-size: 0.93rem;
  margin: 0;
  line-height: 1.6;
}

/* ============================================================
   Pricing
   ============================================================ */
.pricing-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 28px;
  margin-top: 50px;
  align-items: center;
}

.price-card {
  background: var(--surface-2);
  padding: 36px 30px;
  border-radius: var(--radius);
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.15);
  border: 1px solid var(--border);
  transition: transform 0.3s ease, box-shadow 0.3s ease, border-color 0.3s ease;
  text-align: left;
}

.price-card:hover {
  transform: translateY(-6px);
  box-shadow: 0 18px 44px var(--hover-shadow);
  border-color: rgba(59, 130, 246, 0.2);
}

.price-card h3 {
  font-family: 'Poppins', sans-serif;
  font-size: 0.88rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 1.2px;
  margin: 0 0 12px;
  color: var(--text-muted);
}

.price-card h4 {
  font-family: 'Poppins', sans-serif;
  font-size: 2.4rem;
  font-weight: 700;
  color: var(--dark);
  margin: 0 0 24px;
}

.price-card ul {
  list-style: none;
  padding: 0;
  margin: 0 0 28px;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.price-card ul li {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 0.93rem;
  color: var(--text-muted);
}

.price-card ul li i {
  color: var(--blue);
  font-size: 0.8rem;
  flex-shrink: 0;
}

.price-card button {
  width: 100%;
  background: var(--gradient);
  color: white;
  border: none;
  padding: 13px;
  border-radius: 10px;
  font-size: 0.95rem;
  font-weight: 600;
  cursor: pointer;
  font-family: 'Inter', sans-serif;
  transition: transform 0.2s, box-shadow 0.2s;
  box-shadow: 0 4px 14px rgba(59, 130, 246, 0.3);
}

.price-card button:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 22px rgba(59, 130, 246, 0.45);
}

.featured {
  background: linear-gradient(145deg, #1e3a8a, #6d28d9);
  border: none;
  transform: scale(1.05);
  box-shadow: 0 12px 40px rgba(59, 130, 246, 0.38);
}

.featured:hover {
  transform: scale(1.05) translateY(-6px);
  box-shadow: 0 24px 55px rgba(59, 130, 246, 0.48);
}

.plan-badge {
  display: inline-block;
  background: rgba(255, 255, 255, 0.2);
  color: white;
  font-size: 0.72rem;
  padding: 3px 10px;
  border-radius: 12px;
  margin-bottom: 10px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.featured h3,
.featured h4,
.featured ul li { color: white; }

.featured ul li i { color: #93C5FD; }

.featured button {
  background: white;
  color: var(--blue);
  box-shadow: 0 4px 14px rgba(0, 0, 0, 0.2);
}

.featured button:hover { box-shadow: 0 8px 22px rgba(0, 0, 0, 0.28); }

/* ============================================================
   About
   ============================================================ */
.about-container {
  max-width: 660px;
  margin: 0 auto;
}

.about-container p {
  font-size: 1.05rem;
  color: var(--text-muted);
  line-height: 1.85;
}

.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 50px;
  max-width: 900px;
  margin: 40px auto 0;
  text-align: left;
}

.about-text p {
  font-size: 1rem;
  color: var(--text-muted);
  line-height: 1.85;
  margin: 0 0 14px;
}

.about-tagline {
  font-style: italic;
  font-size: 0.96rem;
  color: var(--blue);
  border-left: 3px solid var(--blue);
  padding-left: 14px;
  margin: 20px 0 0;
}

.about-highlights {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: 13px;
}

.about-highlights li {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  font-size: 0.92rem;
  color: var(--text-muted);
}

.about-highlights li i {
  color: var(--blue);
  margin-top: 3px;
  flex-shrink: 0;
}

.stats-row {
  display: flex;
  justify-content: center;
  gap: 60px;
  margin-top: 52px;
  flex-wrap: wrap;
}

.stat { text-align: center; }

.stat h3 {
  font-family: 'Poppins', sans-serif;
  font-size: 2rem;
  font-weight: 700;
  background: var(--gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  margin: 0 0 4px;
}

.stat p {
  color: var(--text-muted);
  font-size: 0.88rem;
  margin: 0;
}

/* ============================================================
   Contact Info
   ============================================================ */
.contact-info {
  display: flex;
  justify-content: center;
  gap: 20px;
  margin: 36px auto 0;
  flex-wrap: wrap;
  max-width: 620px;
}

.contact-item {
  display: flex;
  align-items: center;
  gap: 14px;
  background: var(--surface-2);
  border: 1px solid var(--ci-border);
  border-radius: 14px;
  padding: 16px 22px;
  text-decoration: none;
  flex: 1;
  min-width: 220px;
  transition: transform 0.25s ease, box-shadow 0.25s ease, border-color 0.25s;
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.12);
}

.contact-item:hover {
  transform: translateY(-4px);
  box-shadow: 0 10px 28px var(--hover-shadow);
  border-color: var(--ci-border-hover);
}

.contact-icon {
  width: 44px; height: 44px;
  background: var(--icon-bg);
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.1rem;
  color: var(--blue);
  flex-shrink: 0;
  transition: transform 0.25s;
}

.contact-item:hover .contact-icon { transform: scale(1.1) rotate(-5deg); }

.contact-item div {
  display: flex;
  flex-direction: column;
  text-align: left;
}

.contact-label {
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.6px;
  color: var(--text-muted);
  margin-bottom: 2px;
}

.contact-value {
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--dark);
}

/* ============================================================
   Contact Form
   ============================================================ */
.contact-form {
  max-width: 520px;
  margin: 48px auto 0;
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.contact-form input,
.contact-form textarea {
  padding: 13px 16px;
  border: 1.5px solid var(--input-border);
  border-radius: 10px;
  font-size: 0.95rem;
  font-family: 'Inter', sans-serif;
  color: var(--text);
  background: var(--input-bg);
  outline: none;
  transition: border-color 0.2s, box-shadow 0.2s;
}

.contact-form input::placeholder,
.contact-form textarea::placeholder { color: var(--placeholder); }

.contact-form textarea {
  min-height: 130px;
  resize: vertical;
}

.contact-form input:focus,
.contact-form textarea:focus {
  border-color: var(--blue);
  box-shadow: 0 0 0 4px rgba(59, 130, 246, 0.12);
}

.contact-form button {
  background: var(--gradient);
  color: white;
  border: none;
  padding: 14px;
  border-radius: 10px;
  font-size: 0.98rem;
  font-weight: 600;
  cursor: pointer;
  font-family: 'Inter', sans-serif;
  transition: transform 0.2s, box-shadow 0.2s;
  box-shadow: 0 4px 16px rgba(59, 130, 246, 0.3);
}

.contact-form button:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(59, 130, 246, 0.45);
}

/* ============================================================
   Footer
   ============================================================ */
footer {
  background: var(--footer-bg);
  border-top: 1px solid var(--footer-border);
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1.5fr;
  gap: 40px;
  padding: 64px 0 40px;
}

.footer-logo {
  font-family: 'Poppins', sans-serif;
  font-size: 1.18rem;
  font-weight: 700;
  background: var(--gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  margin: 0 0 14px;
  display: flex;
  align-items: center;
  gap: 8px;
}

.footer-brand > p {
  font-size: 0.87rem;
  color: var(--footer-text);
  line-height: 1.7;
  max-width: 280px;
  margin: 0 0 20px;
}

.social-links {
  display: flex;
  gap: 9px;
}

.social-links a {
  width: 35px; height: 35px;
  border-radius: 9px;
  background: rgba(59, 130, 246, 0.1);
  border: 1px solid rgba(59, 130, 246, 0.2);
  color: var(--footer-text);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.87rem;
  text-decoration: none;
  transition: background 0.2s, color 0.2s, border-color 0.2s;
}

.social-links a:hover {
  background: var(--blue);
  color: white;
  border-color: var(--blue);
}

.footer-col h4 {
  font-family: 'Poppins', sans-serif;
  font-size: 0.82rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.8px;
  color: var(--dark);
  margin: 0 0 16px;
}

.footer-col ul {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.footer-col ul li a {
  font-size: 0.87rem;
  color: var(--footer-text);
  text-decoration: none;
  transition: color 0.2s;
}

.footer-col ul li a:hover { color: var(--blue); }

.footer-bottom {
  border-top: 1px solid var(--footer-border);
  padding: 20px 0;
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 6px;
}

.footer-bottom p {
  margin: 0;
  font-size: 0.82rem;
  color: var(--footer-text);
}

/* ============================================================
   Scroll Animations
   ============================================================ */
.animate {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.animate.delay-1 { transition-delay: 0.1s; }
.animate.delay-2 { transition-delay: 0.2s; }
.animate.delay-3 { transition-delay: 0.3s; }

.animate.visible {
  opacity: 1;
  transform: translateY(0);
}

/* ============================================================
   Keyframes
   ============================================================ */
@keyframes bodyShift {
  0%   { background-position: 0% 50%; }
  50%  { background-position: 100% 50%; }
  100% { background-position: 0% 50%; }
}

@keyframes aurora {
  0%   { background-position: 0% 50%; }
  50%  { background-position: 100% 50%; }
  100% { background-position: 0% 50%; }
}

@keyframes fadeInUp {
  from { opacity: 0; transform: translateY(25px); }
  to   { opacity: 1; transform: translateY(0); }
}

@keyframes fadeInDown {
  from { opacity: 0; transform: translateY(-15px); }
  to   { opacity: 1; transform: translateY(0); }
}

@keyframes fadeInRight {
  from { opacity: 0; transform: translateX(35px); }
  to   { opacity: 1; transform: translateX(0); }
}

@keyframes float {
  0%, 100% { transform: translateY(0px); }
  50%       { transform: translateY(-14px); }
}

/* ============================================================
   Tech Stack
   ============================================================ */
.tech-spotlight {
  margin: 36px auto 0;
  max-width: 980px;
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 14px;
}

.spotlight-item {
  text-align: left;
  padding: 14px 16px;
  border-radius: 12px;
  background: linear-gradient(130deg, rgba(30, 64, 175, 0.22), rgba(15, 23, 42, 0.45));
  border: 1px solid rgba(96, 165, 250, 0.28);
  box-shadow: 0 10px 24px rgba(15, 23, 42, 0.25);
}

.spotlight-label {
  display: block;
  color: #93c5fd;
  font-size: 0.73rem;
  letter-spacing: 0.6px;
  text-transform: uppercase;
  margin-bottom: 4px;
}

.spotlight-item strong {
  color: #f8fafc;
  font-family: 'Poppins', sans-serif;
  font-size: 0.95rem;
}

.tech-grid {
  margin-top: 22px;
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: 16px;
}

.tech-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 10px;
  background: linear-gradient(160deg, rgba(15, 23, 42, 0.72), rgba(30, 41, 59, 0.62));
  border: 1px solid rgba(96, 165, 250, 0.2);
  border-radius: 14px;
  padding: 24px 20px;
  transition: transform 0.25s, box-shadow 0.25s, border-color 0.25s;
  box-shadow: 0 14px 30px rgba(2, 8, 23, 0.28);
}

.tech-item:hover {
  transform: translateY(-7px);
  box-shadow: 0 18px 34px rgba(59, 130, 246, 0.24);
  border-color: rgba(96, 165, 250, 0.5);
}

.tech-icon {
  width: 46px; height: 46px;
  background: var(--icon-bg);
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.25rem;
  color: var(--blue);
  transition: transform 0.25s;
}

.tech-item:hover .tech-icon { transform: scale(1.1) rotate(-6deg); }

.tech-item span {
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--tech-color);
}

.tech-caption {
  max-width: 720px;
  margin: 24px auto 0;
  color: var(--text-muted);
  font-size: 0.95rem;
}

@media (prefers-color-scheme: light) {
  #techstack {
    background: linear-gradient(180deg, #ffffff 0%, #f7fbff 52%, #f1f8ff 100%);
  }

  #techstack::before {
    background: radial-gradient(circle, rgba(59, 130, 246, 0.1) 0%, transparent 68%);
  }

  #techstack::after {
    background: radial-gradient(circle, rgba(14, 165, 233, 0.08) 0%, transparent 68%);
  }

  .spotlight-item {
    background: linear-gradient(180deg, rgba(255, 255, 255, 0.98), rgba(238, 246, 255, 0.95));
    border: 1px solid rgba(59, 130, 246, 0.18);
    box-shadow: 0 12px 30px rgba(148, 163, 184, 0.22);
  }

  .spotlight-label {
    color: #2563eb;
  }

  .spotlight-item strong {
    color: #0f172a;
  }

  .tech-item {
    background: linear-gradient(180deg, rgba(255, 255, 255, 0.98), rgba(241, 247, 255, 0.96));
    border: 1px solid rgba(148, 163, 184, 0.2);
    box-shadow: 0 14px 32px rgba(148, 163, 184, 0.2);
  }

  .tech-item:hover {
    box-shadow: 0 18px 34px rgba(59, 130, 246, 0.18);
    border-color: rgba(37, 99, 235, 0.3);
  }

  .tech-icon {
    background: linear-gradient(135deg, rgba(37, 99, 235, 0.12), rgba(56, 189, 248, 0.12));
    color: #2563eb;
  }

  .tech-item span {
    color: #0f172a;
  }

  .tech-caption {
    color: #64748b;
  }
}

/* ============================================================
   Why Choose Us
   ============================================================ */
.why-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 22px;
  margin-top: 50px;
}

.why-card {
  background: var(--surface-2);
  border-radius: var(--radius);
  padding: 30px 26px;
  text-align: left;
  border: 1px solid var(--border);
  box-shadow: 0 2px 12px rgba(0, 0, 0, 0.12);
  transition: transform 0.3s, box-shadow 0.3s, border-color 0.3s;
  position: relative;
  overflow: hidden;
}

.why-card::after {
  content: '';
  position: absolute;
  bottom: 0; left: 0;
  width: 100%;
  height: 3px;
  background: var(--gradient);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.35s ease;
}

.why-card:hover {
  transform: translateY(-6px);
  box-shadow: 0 18px 40px var(--hover-shadow);
  border-color: rgba(59, 130, 246, 0.2);
}

.why-card:hover::after { transform: scaleX(1); }

.why-icon {
  width: 50px; height: 50px;
  background: var(--icon-bg);
  border-radius: 14px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.3rem;
  color: var(--blue);
  margin-bottom: 18px;
  transition: transform 0.3s;
}

.why-card:hover .why-icon { transform: scale(1.1) rotate(-6deg); }

.why-card h3 {
  font-family: 'Poppins', sans-serif;
  font-size: 1rem;
  font-weight: 600;
  color: var(--dark);
  margin: 0 0 10px;
}

.why-card p {
  font-size: 0.9rem;
  color: var(--text-muted);
  line-height: 1.65;
  margin: 0;
}

/* ============================================================
   How We Work
   ============================================================ */
.process-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 24px;
  margin-top: 50px;
}

.process-step {
  background: var(--surface-2);
  border-radius: var(--radius);
  padding: 34px 26px;
  text-align: left;
  position: relative;
  border: 1px solid var(--border);
  box-shadow: 0 2px 12px rgba(0, 0, 0, 0.12);
  transition: transform 0.3s, box-shadow 0.3s, border-color 0.3s;
  overflow: hidden;
}

.process-step:hover {
  transform: translateY(-7px);
  box-shadow: 0 16px 38px var(--hover-shadow);
  border-color: rgba(59, 130, 246, 0.2);
}

.step-number {
  position: absolute;
  top: 16px; right: 18px;
  font-family: 'Poppins', sans-serif;
  font-size: 3rem;
  font-weight: 700;
  background: var(--gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  opacity: 0.22;
  line-height: 1;
}

.step-icon {
  width: 50px; height: 50px;
  background: var(--icon-bg);
  border-radius: 14px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.3rem;
  color: var(--blue);
  margin-bottom: 18px;
  transition: transform 0.3s;
}

.process-step:hover .step-icon { transform: scale(1.1) rotate(-6deg); }

.process-step h3 {
  font-family: 'Poppins', sans-serif;
  font-size: 1rem;
  font-weight: 600;
  color: var(--dark);
  margin: 0 0 10px;
}

.process-step p {
  color: var(--text-muted);
  font-size: 0.92rem;
  margin: 0;
  line-height: 1.65;
}

/* ============================================================
   Testimonials
   ============================================================ */
.testimonial-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 24px;
  margin-top: 50px;
}

.testimonial-card {
  background: var(--surface-2);
  border-radius: var(--radius);
  padding: 30px;
  text-align: left;
  border: 1px solid var(--border);
  box-shadow: 0 2px 12px rgba(0, 0, 0, 0.12);
  transition: transform 0.3s, box-shadow 0.3s, border-color 0.3s;
  position: relative;
  overflow: hidden;
}

.testimonial-card::before {
  content: '\201C';
  position: absolute;
  top: 10px; right: 18px;
  font-size: 6rem;
  font-family: Georgia, serif;
  color: rgba(59, 130, 246, 0.08);
  line-height: 1;
  pointer-events: none;
}

.testimonial-card:hover {
  transform: translateY(-7px);
  box-shadow: 0 18px 42px var(--hover-shadow);
  border-color: rgba(59, 130, 246, 0.2);
}

.stars {
  display: flex;
  gap: 3px;
  margin-bottom: 14px;
  color: #f59e0b;
  font-size: 0.88rem;
}

.testimonial-card > p {
  color: var(--text-muted);
  font-size: 0.93rem;
  line-height: 1.72;
  margin: 0 0 20px;
  font-style: italic;
}

.testimonial-author {
  display: flex;
  align-items: center;
  gap: 12px;
  padding-top: 16px;
  border-top: 1px solid var(--author-divider);
}

.author-avatar {
  width: 42px; height: 42px;
  border-radius: 50%;
  background: var(--gradient);
  color: white;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.78rem;
  font-weight: 700;
  font-family: 'Poppins', sans-serif;
  letter-spacing: 0.5px;
  flex-shrink: 0;
}

.testimonial-author strong {
  display: block;
  font-size: 0.9rem;
  color: var(--dark);
}

.testimonial-author span {
  font-size: 0.8rem;
  color: var(--text-muted);
}

/* ============================================================
   FAQ
   ============================================================ */
.faq-list {
  max-width: 720px;
  margin: 50px auto 0;
  text-align: left;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.faq-item {
  background: var(--surface-2);
  border-radius: var(--radius);
  border: 1px solid var(--border);
  overflow: hidden;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
  transition: box-shadow 0.3s, border-color 0.3s;
}

.faq-item.open {
  box-shadow: 0 6px 20px var(--hover-shadow);
  border-color: rgba(59, 130, 246, 0.25);
}

.faq-question {
  width: 100%;
  background: none;
  border: none;
  padding: 18px 22px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  cursor: pointer;
  font-family: 'Inter', sans-serif;
  font-size: 0.97rem;
  font-weight: 600;
  color: var(--dark);
  text-align: left;
  gap: 14px;
  transition: color 0.2s;
}

.faq-question i {
  flex-shrink: 0;
  font-size: 0.82rem;
  color: var(--blue);
  transition: transform 0.3s ease;
}

.faq-question:hover { color: var(--blue); }
.faq-item.open .faq-question { color: var(--blue); }
.faq-item.open .faq-question i { transform: rotate(180deg); }

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.38s ease;
}

.faq-item.open .faq-answer { max-height: 200px; }

.faq-answer p {
  margin: 0;
  padding: 14px 22px 18px;
  color: var(--text-muted);
  font-size: 0.93rem;
  line-height: 1.72;
  border-top: 1px solid var(--faq-divider);
}

/* ============================================================
   CTA Banner
   ============================================================ */
.cta-banner {
  background: var(--gradient);
  padding: 80px 0;
  text-align: center;
  position: relative;
  overflow: hidden;
}

.cta-banner::before {
  content: '';
  position: absolute;
  width: 500px; height: 500px;
  background: radial-gradient(circle, rgba(255, 255, 255, 0.12) 0%, transparent 65%);
  top: -180px; right: -80px;
  border-radius: 50%; pointer-events: none;
}

.cta-banner::after {
  content: '';
  position: absolute;
  width: 380px; height: 380px;
  background: radial-gradient(circle, rgba(255, 255, 255, 0.08) 0%, transparent 65%);
  bottom: -120px; left: -60px;
  border-radius: 50%; pointer-events: none;
}

.cta-banner h2 {
  font-family: 'Poppins', sans-serif;
  font-size: 2.2rem;
  font-weight: 700;
  color: white;
  margin: 0 0 14px;
  position: relative;
  z-index: 1;
}

.cta-banner p {
  color: rgba(255, 255, 255, 0.82);
  font-size: 1.05rem;
  margin: 0 auto 36px;
  max-width: 480px;
  position: relative;
  z-index: 1;
}

.cta-actions {
  display: flex;
  gap: 16px;
  justify-content: center;
  flex-wrap: wrap;
  position: relative;
  z-index: 1;
}

.cta-banner .primary-btn {
  background: white;
  color: var(--blue);
  box-shadow: 0 4px 18px rgba(0, 0, 0, 0.2);
  animation: none;
}

.cta-banner .primary-btn:hover {
  box-shadow: 0 10px 28px rgba(0, 0, 0, 0.28);
}

.whatsapp-cta {
  background: #25D366;
  color: white;
  padding: 13px 28px;
  border-radius: 10px;
  text-decoration: none;
  font-weight: 600;
  font-size: 0.96rem;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  transition: transform 0.2s, box-shadow 0.2s;
  box-shadow: 0 4px 18px rgba(37, 211, 102, 0.4);
}

.whatsapp-cta:hover {
  transform: translateY(-3px);
  box-shadow: 0 10px 28px rgba(37, 211, 102, 0.5);
}

/* ============================================================
   WhatsApp Float Button
   ============================================================ */
.whatsapp-float {
  position: fixed;
  bottom: 30px; right: 30px;
  width: 56px; height: 56px;
  background: #25D366;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.65rem;
  color: white;
  text-decoration: none;
  z-index: 999;
  box-shadow: 0 4px 20px rgba(37, 211, 102, 0.5);
  transition: transform 0.25s, box-shadow 0.25s;
  animation: waPulse 2.8s ease-in-out infinite;
}

.whatsapp-float:hover {
  transform: scale(1.12);
  box-shadow: 0 8px 30px rgba(37, 211, 102, 0.65);
  animation: none;
}

.whatsapp-tooltip {
  position: absolute;
  right: 66px;
  background: var(--tooltip-bg);
  color: white;
  font-size: 0.8rem;
  font-weight: 600;
  padding: 6px 12px;
  border-radius: 8px;
  white-space: nowrap;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.2s;
  font-family: 'Inter', sans-serif;
  border: 1px solid var(--tooltip-outline);
}

.whatsapp-tooltip::after {
  content: '';
  position: absolute;
  left: 100%; top: 50%;
  transform: translateY(-50%);
  border: 6px solid transparent;
  border-left-color: var(--tooltip-arrow);
}

.whatsapp-float:hover .whatsapp-tooltip { opacity: 1; }

@keyframes waPulse {
  0%, 100% { box-shadow: 0 4px 20px rgba(37, 211, 102, 0.5); }
  50%       { box-shadow: 0 4px 32px rgba(37, 211, 102, 0.78); }
}

/* ============================================================
   Responsive
   ============================================================ */
@media (max-width: 768px) {
  .navbar .container {
    display: grid;
    grid-template-columns: minmax(0, 1fr) auto auto;
    align-items: center;
    gap: 10px 12px;
  }

  .logo {
    font-size: 1rem;
    padding: 6px 12px 6px 10px;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
  }

  .nav-toggle {
    display: inline-flex;
  }

  .site-nav {
    width: 100%;
    grid-column: 1 / -1;
    max-height: 0;
    opacity: 0;
    overflow: hidden;
    pointer-events: none;
    transform: translateY(-8px);
    transition: max-height 0.25s ease, opacity 0.25s ease, transform 0.25s ease;
  }

  .navbar.menu-open .site-nav {
    max-height: 340px;
    opacity: 1;
    pointer-events: auto;
    transform: translateY(0);
    margin-top: 2px;
  }

  .site-nav ul {
    flex-direction: column;
    align-items: stretch;
    gap: 8px;
    background: rgba(15, 23, 42, 0.88);
    border: 1px solid rgba(59, 130, 246, 0.25);
    border-radius: 12px;
    padding: 10px;
  }

  .site-nav a {
    display: block;
    text-align: center;
    padding: 8px 12px;
    border-radius: 8px;
  }

  .site-nav a:hover {
    background: rgba(59, 130, 246, 0.15);
  }

  nav a {
    font-size: 0.86rem;
  }

  .cta-btn {
    padding: 8px 14px;
    font-size: 0.84rem;
  }

  .hero {
    padding: 78px 0 64px;
  }

  .hero-grid {
    grid-template-columns: 1fr;
    gap: 40px;
    text-align: center;
  }

  .hero h1 { font-size: 2rem; }
  .hero p { margin-left: auto; margin-right: auto; }
  .visitor-welcome {
    justify-content: center;
    flex-wrap: wrap;
    text-align: center;
  }

  .hero-image { order: -1; }
  .hero-image img { max-width: 260px; }

  .section {
    padding: 72px 0;
  }

  .section h2 {
    font-size: 1.65rem;
  }

  .section-subtitle {
    font-size: 0.95rem;
  }

  .card-grid,
  .pricing-grid,
  .process-grid,
  .testimonial-grid {
    grid-template-columns: 1fr;
    gap: 18px;
  }

  .tech-spotlight {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 12px;
    margin-top: 28px;
  }

  .tech-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    margin-top: 14px;
  }

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

  .featured { transform: scale(1); }
  .featured:hover { transform: translateY(-6px); }

  .stats-row { gap: 36px; }

  .cta-banner h2 { font-size: 1.8rem; }
  .cta-banner p { font-size: 0.96rem; }

  .contact-info { flex-direction: column; align-items: center; }
  .contact-item { width: 100%; max-width: 340px; }

  .whatsapp-float {
    width: 50px;
    height: 50px;
    right: 16px;
    bottom: 16px;
    font-size: 1.5rem;
  }

  .whatsapp-tooltip {
    display: none;
  }

  .hero-actions {
    justify-content: center;
  }

  .hero-trust {
    justify-content: center;
  }

  .secondary-btn {
    width: 100%;
    justify-content: center;
  }

  .trust-bar .container {
    flex-direction: column;
    gap: 12px;
  }

  .why-grid {
    grid-template-columns: 1fr;
    gap: 16px;
  }

  .about-grid {
    grid-template-columns: 1fr;
    gap: 28px;
  }

  .footer-grid {
    grid-template-columns: 1fr 1fr;
    gap: 28px 20px;
    padding: 44px 0 28px;
  }

  .footer-brand {
    grid-column: 1 / -1;
  }

  .footer-bottom {
    flex-direction: column;
    align-items: center;
    text-align: center;
  }
}

@media (max-width: 520px) {
  .container {
    width: 92%;
  }

  .navbar {
    padding: 12px 0;
  }

  .logo {
    font-size: 0.92rem;
    padding: 5px 10px 5px 8px;
  }

  .cta-btn {
    display: none;
  }

  .hero h1 {
    font-size: 1.75rem;
    line-height: 1.25;
  }

  .hero p,
  .welcome-text {
    font-size: 0.9rem;
  }

  .tech-spotlight,
  .tech-grid {
    grid-template-columns: 1fr;
  }

  .primary-btn,
  .whatsapp-cta {
    width: 100%;
    justify-content: center;
  }

  .footer-grid {
    grid-template-columns: 1fr;
    gap: 24px;
    padding: 36px 0 24px;
  }

  .footer-brand {
    grid-column: auto;
  }

  .footer-brand > p {
    max-width: 100%;
  }
}