/* ========== BASE ========== */
:root {
  --color-primary-bg: #F7F8FA;
  --color-primary-text: #101828;
  --color-secondary-text: #667085;
  --color-dark: #08111F;
  --color-accent: #635BFF;
  --color-secondary-accent: #00C2FF;
  --color-success: #12B76A;
  --color-white: #FFFFFF;
  --font-heading: 'Space Grotesk', 'Manrope', sans-serif;
  --font-body: 'Inter', sans-serif;
  --gradient-accent: linear-gradient(135deg, #635BFF 0%, #00C2FF 100%);
  --shadow-sm: 0 1px 3px rgba(16,24,40,0.05);
  --shadow-md: 0 4px 12px rgba(16,24,40,0.08);
  --shadow-lg: 0 12px 32px rgba(16,24,40,0.12);
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 20px;
  --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

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

html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: var(--font-body);
  font-size: 1rem;
  line-height: 1.6;
  color: var(--color-primary-text);
  background-color: var(--color-primary-bg);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  font-weight: 700;
  line-height: 1.2;
  margin-bottom: 0.5rem;
  color: var(--color-primary-text);
}

h1 { font-size: 3.5rem; }
h2 { font-size: 2.5rem; }
h3 { font-size: 1.75rem; }
h4 { font-size: 1.25rem; }
h5 { font-size: 1rem; }
h6 { font-size: 0.875rem; }

p {
  margin-bottom: 1rem;
  color: var(--color-secondary-text);
}

a {
  color: var(--color-accent);
  text-decoration: none;
  transition: var(--transition);
}

a:hover {
  color: var(--color-secondary-accent);
}

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

.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}

.section-padding {
  padding: 100px 0;
}

.section-padding-sm {
  padding: 60px 0;
}

.section-padding-lg {
  padding: 140px 0;
}

.bg-light {
  background-color: var(--color-primary-bg);
}

.bg-white {
  background-color: var(--color-white);
}

.bg-dark {
  background-color: var(--color-dark);
  color: var(--color-white);
}

.bg-dark h1,
.bg-dark h2,
.bg-dark h3,
.bg-dark h4,
.bg-dark h5,
.bg-dark h6 {
  color: var(--color-white);
}

.bg-dark p {
  color: rgba(255, 255, 255, 0.8);
}

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

.btn {
  display: inline-block;
  padding: 14px 28px;
  border-radius: 50px;
  font-weight: 600;
  font-size: 1rem;
  text-align: center;
  cursor: pointer;
  transition: var(--transition);
  border: 2px solid transparent;
  line-height: 1.2;
}

.btn-primary {
  background: var(--gradient-accent);
  color: var(--color-white);
  border: none;
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 20px rgba(99, 91, 255, 0.3);
  color: var(--color-white);
}

.btn-outline {
  background: transparent;
  border-color: var(--color-accent);
  color: var(--color-accent);
}

.btn-outline:hover {
  background: var(--color-accent);
  color: var(--color-white);
}

.btn-light {
  background: var(--color-white);
  color: var(--color-primary-text);
}

.btn-light:hover {
  background: var(--color-primary-bg);
}

.btn-whatsapp {
  background: #25D366;
  color: var(--color-white);
}

.btn-whatsapp:hover {
  background: #1DA851;
  color: var(--color-white);
}

.section-heading {
  text-align: center;
  max-width: 800px;
  margin: 0 auto 60px;
}

.section-heading h2 {
  margin-bottom: 20px;
}

.section-heading p {
  font-size: 1.15rem;
}

/* Cards */
.card {
  background: var(--color-white);
  border-radius: var(--radius-md);
  padding: 32px;
  box-shadow: var(--shadow-sm);
  transition: var(--transition);
  border: 1px solid rgba(16,24,40,0.05);
}

.card:hover {
  box-shadow: var(--shadow-lg);
  transform: translateY(-4px);
}

.card-icon {
  width: 60px;
  height: 60px;
  border-radius: 12px;
  background: var(--gradient-accent);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 20px;
  color: var(--color-white);
  font-size: 24px;
}

.grid {
  display: grid;
  gap: 30px;
}

.grid-2 { grid-template-columns: repeat(2, 1fr); }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-4 { grid-template-columns: repeat(4, 1fr); }
.grid-5 { grid-template-columns: repeat(5, 1fr); }
.grid-6 { grid-template-columns: repeat(6, 1fr); }

/* Header */
.site-header {
  position: sticky;
  top: 0;
  z-index: 1000;
  background: var(--color-white);
  box-shadow: 0 1px 0 rgba(16,24,40,0.05);
  transition: var(--transition);
}

.site-header.scrolled {
  padding: 8px 0;
  box-shadow: var(--shadow-md);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 0;
}

.site-logo {
  display: flex;
  align-items: center;
}

.site-logo img {
  max-height: 48px;
  width: auto;
}

.site-logo .logo-text {
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 1.75rem;
  color: var(--color-primary-text);
}

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

.main-navigation a {
  color: var(--color-primary-text);
  font-weight: 500;
  font-size: 0.95rem;
  position: relative;
}

.main-navigation a::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--gradient-accent);
  transition: var(--transition);
}

.main-navigation a:hover::after {
  width: 100%;
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 16px;
}

.search-toggle,
.whatsapp-icon {
  background: none;
  border: none;
  color: var(--color-primary-text);
  font-size: 1.2rem;
  cursor: pointer;
  transition: var(--transition);
}

.search-toggle:hover,
.whatsapp-icon:hover {
  color: var(--color-accent);
}

/* Hero */
.hero {
  position: relative;
  overflow: hidden;
  background: linear-gradient(135deg, #F7F8FA 0%, #EEF0FF 100%);
  padding: 120px 0 100px;
}

.hero-content {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
}

.hero-text h1 {
  font-size: 4rem;
  margin-bottom: 24px;
  letter-spacing: -0.02em;
}

.hero-text .lead {
  font-size: 1.25rem;
  color: var(--color-secondary-text);
  margin-bottom: 32px;
}

.hero-buttons {
  display: flex;
  gap: 16px;
  margin-bottom: 40px;
  flex-wrap: wrap;
}

.trust-indicators {
  display: flex;
  flex-wrap: wrap;
  gap: 20px;
  font-size: 0.9rem;
  color: var(--color-secondary-text);
  font-weight: 500;
}

.trust-indicators span {
  display: flex;
  align-items: center;
  gap: 6px;
}

.trust-indicators i {
  color: var(--color-success);
}

.hero-visual {
  display: flex;
  justify-content: center;
  align-items: center;
}

.hero-visual-inner {
  width: 100%;
  max-width: 520px;
  aspect-ratio: 1;
  background: var(--gradient-accent);
  border-radius: 30px;
  position: relative;
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
}

.hero-visual-inner::before {
  content: '';
  position: absolute;
  inset: 0;
  background: url('data:image/svg+xml,...'); /* abstract pattern */
  opacity: 0.1;
}

.hero-visual-inner .floating-icons {
  display: flex;
  flex-wrap: wrap;
  gap: 20px;
  justify-content: center;
  padding: 20px;
}

.hero-visual-inner .icon-badge {
  background: rgba(255,255,255,0.2);
  backdrop-filter: blur(10px);
  border-radius: 16px;
  padding: 20px 24px;
  color: var(--color-white);
  font-weight: 600;
  display: flex;
  align-items: center;
  gap: 10px;
}

/* Trust stats */
.trust-stats {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 30px;
  margin-top: 60px;
}

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

.stat-number {
  font-size: 2.5rem;
  font-weight: 700;
  color: var(--color-accent);
  font-family: var(--font-heading);
}

.stat-label {
  font-size: 0.9rem;
  color: var(--color-secondary-text);
  margin-top: 4px;
}

/* Services grid */
.services-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 30px;
}

/* Dark section */
.dark-section {
  background: var(--color-dark);
  color: var(--color-white);
}

.dark-section h1,
.dark-section h2,
.dark-section h3 {
  color: var(--color-white);
}

.dark-section p {
  color: rgba(255,255,255,0.8);
}

/* Process timeline */
.process-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 30px;
}

.process-step {
  counter-increment: step;
  padding: 30px;
  background: var(--color-white);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-sm);
  position: relative;
}

.process-step::before {
  content: counter(step, decimal-leading-zero);
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 2rem;
  color: var(--color-accent);
  display: block;
  margin-bottom: 16px;
}

/* Footer */
.site-footer {
  background: var(--color-dark);
  color: rgba(255,255,255,0.8);
  padding: 80px 0 0;
}

.footer-columns {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 40px;
  margin-bottom: 60px;
}

.footer-column h4 {
  color: var(--color-white);
  font-size: 1.1rem;
  margin-bottom: 20px;
}

.footer-column ul {
  list-style: none;
  padding: 0;
}

.footer-column ul li {
  margin-bottom: 10px;
}

.footer-column a {
  color: rgba(255,255,255,0.7);
  transition: var(--transition);
}

.footer-column a:hover {
  color: var(--color-accent);
}

.footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.1);
  padding: 20px 0;
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.9rem;
}

/* Floating WhatsApp */
.whatsapp-float {
  position: fixed;
  bottom: 30px;
  right: 30px;
  z-index: 999;
  background: #25D366;
  color: white;
  width: 60px;
  height: 60px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 28px;
  box-shadow: 0 8px 20px rgba(37,211,102,0.3);
  transition: var(--transition);
  animation: pulse 2s infinite;
}

.whatsapp-float:hover {
  transform: scale(1.1);
  color: white;
}

@keyframes pulse {
  0% { box-shadow: 0 0 0 0 rgba(37,211,102,0.4); }
  70% { box-shadow: 0 0 0 20px rgba(37,211,102,0); }
  100% { box-shadow: 0 0 0 0 rgba(37,211,102,0); }
}

/* Mobile sticky CTA */
.mobile-cta {
  display: none;
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  background: var(--color-white);
  box-shadow: 0 -4px 12px rgba(16,24,40,0.1);
  padding: 10px 20px;
  z-index: 998;
  justify-content: space-between;
  gap: 10px;
}

.mobile-cta .btn {
  flex: 1;
  text-align: center;
  padding: 12px;
  font-size: 0.9rem;
}

/* Responsive */
@media (max-width: 1024px) {
  h1 { font-size: 3rem; }
  h2 { font-size: 2rem; }
  .grid-4, .grid-5, .grid-6 { grid-template-columns: repeat(3, 1fr); }
  .hero-content { grid-template-columns: 1fr; }
  .hero-visual { order: -1; }
  .footer-columns { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 768px) {
  h1 { font-size: 2.2rem; }
  h2 { font-size: 1.75rem; }
  .section-padding { padding: 60px 0; }
  .container { padding: 0 16px; }
  .grid-2, .grid-3, .grid-4, .grid-5, .grid-6 { grid-template-columns: 1fr; }
  .main-navigation { display: none; }
  .header-actions .btn { display: none; }
  .mobile-cta { display: flex; }
  .footer-bottom { flex-direction: column; gap: 10px; text-align: center; }
  .trust-stats { grid-template-columns: repeat(2, 1fr); }
  .process-grid { grid-template-columns: 1fr; }
  .whatsapp-float { bottom: 80px; right: 20px; }
}

/* Utility */
.text-center { text-align: center; }
.mt-0 { margin-top: 0; }
.mb-0 { margin-bottom: 0; }
.mt-20 { margin-top: 20px; }
.mb-20 { margin-bottom: 20px; }
.mt-40 { margin-top: 40px; }
.mb-40 { margin-bottom: 40px; }
.hidden { display: none; }