/* ===============================
ROOT VARIABLES (APS STYLE)
=============================== */
:root {
  --container-width: 1200px;

  --color-primary: #1e3a8a;   /* APS-like deep blue */
  --color-accent: #2563eb;
  --color-dark: #0f172a;
  --color-gray: #475569;
  --color-light: #f8fafc;
  --color-border: #e2e8f0;

  --font-main: "Inter", system-ui, -apple-system, BlinkMacSystemFont, sans-serif;

  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 16px;

  --ease-out: cubic-bezier(.16,1,.3,1);
}

/* ===============================
RESET (APS CLEAN RESET)
=============================== */
*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  font-size: 16px;
}

body {
  margin: 0;
  font-family: var(--font-main);
  color: var(--color-dark);
  background: #fff;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

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

/* ===============================
GLOBAL CONTAINER
=============================== */
.container {
  max-width: var(--container-width);
  padding: 0 24px;
  margin: 0 auto;
}

/* ===============================
TYPOGRAPHY SCALE (APS STYLE)
=============================== */
h1 {
  font-size: 3.25rem;
  line-height: 1.15;
  font-weight: 700;
  letter-spacing: -0.03em;
  margin: 0 0 20px;
}

h2 {
  font-size: 2.5rem;
  line-height: 1.2;
  font-weight: 700;
  letter-spacing: -0.025em;
  margin-bottom: 20px;
}

h3 {
  font-size: 1.375rem;
  font-weight: 600;
  margin-bottom: 10px;
}

h4 {
  font-size: 1.125rem;
  font-weight: 600;
  margin-bottom: 6px;
}

p {
  font-size: 1rem;
  color: var(--color-gray);
  margin: 0 0 16px;
}

/* ===============================
BUTTONS (APS EXACT FEEL)
=============================== */
.btn-primary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 14px 28px;
  border-radius: 999px;
  background: var(--color-primary);
  color: #fff;
  text-decoration: none;
  font-weight: 600;
  transition: transform .3s var(--ease-out),
              box-shadow .3s var(--ease-out),
              background .3s;
}

.btn-primary:hover {
  background: var(--color-accent);
  transform: translateY(-2px);
  box-shadow: 0 12px 30px rgba(0,0,0,.12);
}

.btn-secondary {
  display: inline-flex;
  align-items: center;
  padding: 14px 28px;
  border-radius: 999px;
  border: 1px solid var(--color-border);
  text-decoration: none;
  color: var(--color-dark);
  font-weight: 600;
  transition: background .3s, transform .3s;
}

.btn-secondary:hover {
  background: var(--color-light);
  transform: translateY(-2px);
}

/* ===============================
HEADER (APS SPACING)
=============================== */
.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  background: #fff;
  border-bottom: 1px solid var(--color-border);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 80px;
}

.logo {
  font-size: 1.25rem;
  font-weight: 700;
}

.main-nav a {
  margin-left: 28px;
  text-decoration: none;
  color: var(--color-dark);
  font-weight: 500;
}

/* ===============================
HERO (APS PROPORTIONS)
=============================== */
.hero {
  padding: 120px 0 140px;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.1fr .9fr;
  gap: 80px;
  align-items: center;
}

.hero p {
  font-size: 1.125rem;
  max-width: 520px;
}

.hero-actions {
  margin-top: 32px;
  display: flex;
  gap: 16px;
}

.hero-visual {
  height: 420px;
  background: linear-gradient(135deg,#e0e7ff,#f8fafc);
  border-radius: var(--radius-lg);
}

/* ===============================
INTRO
=============================== */
.intro {
  padding: 120px 0;
  text-align: center;
}

.intro p {
  max-width: 700px;
  margin: 0 auto;
  font-size: 1.125rem;
}

/* ===============================
SERVICES
=============================== */
.services {
  padding: 120px 0;
  background: var(--color-light);
}

.services-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
}

.service-card {
  background: #fff;
  padding: 40px 36px;
  border-radius: var(--radius-md);
  border: 1px solid var(--color-border);
  transition: transform .4s var(--ease-out),
              box-shadow .4s var(--ease-out);
}

.service-card:hover {
  transform: translateY(-6px);
  box-shadow: 0 30px 60px rgba(0,0,0,.08);
}

/* ===============================
STATEMENT (FULL WIDTH)
=============================== */
.statement {
  padding: 140px 24px;
  background: var(--color-primary);
  color: #fff;
  text-align: center;
}

.statement h2 {
  color: #fff;
  max-width: 900px;
  margin: 0 auto;
}

/* ===============================
PROCESS
=============================== */
.process {
  padding: 120px 0;
}

.process-grid {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 24px;
  margin-top: 60px;
}

.process-step {
  padding: 32px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
}

.process-step span {
  display: block;
  font-weight: 700;
  color: var(--color-accent);
  margin-bottom: 10px;
}

/* ===============================
CTA
=============================== */
.cta {
  padding: 120px 0;
  background: #0f172a;
  color: #fff;
  text-align: center;
}

.cta p {
  color: #cbd5f5;
}

.cta .btn-primary {
  margin-top: 24px;
}

/* ===============================
FOOTER
=============================== */
.site-footer {
  padding: 40px 0;
  border-top: 1px solid var(--color-border);
}

.footer-inner {
  text-align: center;
  font-size: .875rem;
  color: var(--color-gray);
}

/* ===============================
ANIMATION HELPERS
=============================== */
.animate-section {
  overflow: hidden;
}

.animate-item {
  will-change: transform, opacity;
}