/* ── CSS Variables ─────────────────────────────────────────── */
:root {
  --color-primary: #1A365D;
  --color-accent: #3182CE;
  --color-accent-hover: #2B6CB0;
  --color-bg: #F7FAFC;
  --color-text: #2D3748;
  --color-text-light: #718096;
  --color-white: #FFFFFF;
  --color-border: #E2E8F0;
  --color-success: #38A169;
  --color-error: #E53E3E;
  --font-stack: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  --max-width: 1140px;
  --nav-height: 64px;
  --radius: 8px;
  --shadow: 0 1px 3px rgba(0, 0, 0, 0.1), 0 1px 2px rgba(0, 0, 0, 0.06);
  --shadow-lg: 0 10px 15px rgba(0, 0, 0, 0.1), 0 4px 6px rgba(0, 0, 0, 0.05);
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-stack);
  color: var(--color-text);
  background: var(--color-bg);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

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

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

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

ul, ol {
  list-style: none;
}

/* ── Typography ───────────────────────────────────────────── */
h1, h2, h3, h4 {
  color: var(--color-primary);
  line-height: 1.2;
  font-weight: 700;
}

h1 { font-size: 2.5rem; }
h2 { font-size: 2rem; margin-bottom: 1rem; }
h3 { font-size: 1.25rem; margin-bottom: 0.5rem; }
h4 { font-size: 1.1rem; }

p {
  margin-bottom: 1rem;
}

/* ── Layout ───────────────────────────────────────────────── */
.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 1.5rem;
}

.section {
  padding: 4rem 0;
}

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

/* ── Buttons ──────────────────────────────────────────────── */
.btn {
  display: inline-block;
  padding: 0.75rem 1.5rem;
  border-radius: var(--radius);
  font-size: 1rem;
  font-weight: 600;
  cursor: pointer;
  border: none;
  transition: background 0.2s, transform 0.1s;
  text-align: center;
}

.btn:active {
  transform: scale(0.98);
}

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

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

.btn--outline {
  background: transparent;
  color: var(--color-white);
  border: 2px solid var(--color-white);
}

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

/* ── Navigation ───────────────────────────────────────────── */
.nav {
  background: var(--color-primary);
  height: var(--nav-height);
  position: sticky;
  top: 0;
  z-index: 100;
  box-shadow: var(--shadow);
}

.nav .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
}

.nav__logo {
  font-size: 1.4rem;
  font-weight: 700;
  color: var(--color-white);
  letter-spacing: 0.5px;
}

.nav__logo:hover {
  color: var(--color-white);
}

.nav__logo span {
  color: var(--color-accent);
}

.nav__links {
  display: flex;
  gap: 2rem;
  align-items: center;
}

.nav__links a {
  color: rgba(255, 255, 255, 0.85);
  font-size: 0.95rem;
  font-weight: 500;
  transition: color 0.2s;
}

.nav__links a:hover,
.nav__links a.active {
  color: var(--color-white);
}

.nav__toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: 0.5rem;
}

.nav__toggle span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--color-white);
  margin: 5px 0;
  transition: transform 0.3s, opacity 0.3s;
}

/* ── Hero ─────────────────────────────────────────────────── */
.hero {
  background: var(--color-primary);
  color: var(--color-white);
  padding: 5rem 0;
  text-align: center;
}

.hero h1 {
  color: var(--color-white);
  margin-bottom: 1rem;
  font-size: 2.75rem;
}

.hero p {
  font-size: 1.2rem;
  color: rgba(255, 255, 255, 0.85);
  max-width: 600px;
  margin: 0 auto 2rem;
}

.hero .btn {
  margin: 0 0.5rem;
}

/* ── Page Header (non-home pages) ─────────────────────────── */
.page-header {
  background: var(--color-primary);
  color: var(--color-white);
  padding: 3rem 0;
  text-align: center;
}

.page-header h1 {
  color: var(--color-white);
  margin-bottom: 0.5rem;
}

.page-header p {
  color: rgba(255, 255, 255, 0.8);
  font-size: 1.1rem;
}

/* ── Cards Grid ───────────────────────────────────────────── */
.cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 1.5rem;
  margin-top: 2rem;
}

.card {
  background: var(--color-white);
  border-radius: var(--radius);
  padding: 2rem;
  box-shadow: var(--shadow);
  transition: box-shadow 0.2s, transform 0.2s;
}

.card:hover {
  box-shadow: var(--shadow-lg);
  transform: translateY(-2px);
}

.card__icon {
  font-size: 2rem;
  margin-bottom: 1rem;
}

.card h3 {
  color: var(--color-primary);
}

.card p {
  color: var(--color-text-light);
  font-size: 0.95rem;
}

/* ── Features / Why Us ────────────────────────────────────── */
.features {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 2rem;
  margin-top: 2rem;
}

.feature {
  text-align: center;
  padding: 1.5rem;
}

.feature__icon {
  font-size: 2.5rem;
  margin-bottom: 1rem;
}

.feature h3 {
  margin-bottom: 0.75rem;
}

.feature p {
  color: var(--color-text-light);
}

/* ── CTA Banner ───────────────────────────────────────────── */
.cta {
  background: var(--color-accent);
  color: var(--color-white);
  padding: 3rem 0;
  text-align: center;
}

.cta h2 {
  color: var(--color-white);
  margin-bottom: 1rem;
}

.cta p {
  color: rgba(255, 255, 255, 0.9);
  margin-bottom: 1.5rem;
}

/* ── Services Detail ──────────────────────────────────────── */
.service-detail {
  padding: 3rem 0;
  border-bottom: 1px solid var(--color-border);
}

.service-detail:last-of-type {
  border-bottom: none;
}

.service-detail h2 {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.service-detail ul {
  list-style: disc;
  padding-left: 1.5rem;
  margin-top: 1rem;
}

.service-detail li {
  margin-bottom: 0.5rem;
  color: var(--color-text-light);
}

/* ── Process Steps ────────────────────────────────────────── */
.process {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 1.5rem;
  margin-top: 2rem;
}

.process__step {
  text-align: center;
  padding: 1.5rem;
  position: relative;
}

.process__number {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 48px;
  height: 48px;
  background: var(--color-accent);
  color: var(--color-white);
  border-radius: 50%;
  font-size: 1.25rem;
  font-weight: 700;
  margin-bottom: 1rem;
}

/* ── Values Grid ──────────────────────────────────────────── */
.values {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 1.5rem;
  margin-top: 2rem;
}

.value {
  text-align: center;
  padding: 2rem 1.5rem;
  background: var(--color-white);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}

.value__icon {
  font-size: 2rem;
  margin-bottom: 0.75rem;
}

/* ── Contact Form ─────────────────────────────────────────── */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3rem;
  margin-top: 2rem;
}

.form-group {
  margin-bottom: 1.25rem;
}

.form-group label {
  display: block;
  font-weight: 600;
  margin-bottom: 0.4rem;
  font-size: 0.95rem;
}

.form-group input,
.form-group textarea {
  width: 100%;
  padding: 0.75rem;
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  font-family: var(--font-stack);
  font-size: 1rem;
  transition: border-color 0.2s;
}

.form-group input:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--color-accent);
  box-shadow: 0 0 0 3px rgba(49, 130, 206, 0.15);
}

.form-group textarea {
  resize: vertical;
  min-height: 120px;
}

.form-honeypot {
  position: absolute;
  left: -9999px;
  opacity: 0;
  height: 0;
  width: 0;
  overflow: hidden;
}

.form-status {
  margin-top: 1rem;
  padding: 0.75rem 1rem;
  border-radius: var(--radius);
  display: none;
  font-weight: 500;
}

.form-status--success {
  display: block;
  background: #F0FFF4;
  color: var(--color-success);
  border: 1px solid #C6F6D5;
}

.form-status--error {
  display: block;
  background: #FFF5F5;
  color: var(--color-error);
  border: 1px solid #FED7D7;
}

.btn--submit {
  width: 100%;
  padding: 0.85rem;
  font-size: 1.05rem;
}

.btn--submit:disabled {
  opacity: 0.7;
  cursor: not-allowed;
}

.spinner {
  display: inline-block;
  width: 18px;
  height: 18px;
  border: 2px solid rgba(255, 255, 255, 0.3);
  border-top-color: var(--color-white);
  border-radius: 50%;
  animation: spin 0.6s linear infinite;
  vertical-align: middle;
  margin-right: 0.5rem;
}

@keyframes spin {
  to { transform: rotate(360deg); }
}

/* ── Contact Info ─────────────────────────────────────────── */
.contact-info h3 {
  margin-bottom: 1rem;
  font-size: 1.5rem;
}

.contact-info p {
  color: var(--color-text-light);
  margin-bottom: 1.5rem;
}

.contact-info__item {
  display: flex;
  align-items: flex-start;
  gap: 0.75rem;
  margin-bottom: 1.25rem;
}

.contact-info__icon {
  font-size: 1.25rem;
  flex-shrink: 0;
  margin-top: 2px;
}

/* ── Legal Pages ──────────────────────────────────────────── */
.legal {
  max-width: 800px;
  margin: 0 auto;
  padding: 3rem 1.5rem;
}

.legal h2 {
  margin-top: 2.5rem;
  margin-bottom: 0.75rem;
  font-size: 1.5rem;
}

.legal h3 {
  margin-top: 1.5rem;
  margin-bottom: 0.5rem;
  font-size: 1.2rem;
}

.legal p, .legal li {
  color: var(--color-text-light);
  line-height: 1.7;
}

.legal ul {
  list-style: disc;
  padding-left: 1.5rem;
  margin-bottom: 1rem;
}

.legal li {
  margin-bottom: 0.4rem;
}

.legal .app-section {
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 2rem;
  margin: 2rem 0;
  background: var(--color-white);
}

.legal .app-section h3 {
  margin-top: 0;
}

.legal .effective-date {
  color: var(--color-text-light);
  font-style: italic;
}

/* ── Footer ───────────────────────────────────────────────── */
.footer {
  background: var(--color-primary);
  color: rgba(255, 255, 255, 0.8);
  padding: 3rem 0 1.5rem;
}

.footer__grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: 2rem;
  margin-bottom: 2rem;
}

.footer__brand {
  font-size: 1.3rem;
  font-weight: 700;
  color: var(--color-white);
  margin-bottom: 0.75rem;
}

.footer__brand span {
  color: var(--color-accent);
}

.footer p {
  font-size: 0.9rem;
  line-height: 1.6;
}

.footer h4 {
  color: var(--color-white);
  margin-bottom: 1rem;
  font-size: 1rem;
}

.footer__links {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.footer__links a {
  color: rgba(255, 255, 255, 0.7);
  font-size: 0.9rem;
  transition: color 0.2s;
}

.footer__links a:hover {
  color: var(--color-white);
}

.footer__bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.15);
  padding-top: 1.5rem;
  text-align: center;
  font-size: 0.85rem;
}

/* ── Responsive ───────────────────────────────────────────── */
@media (max-width: 768px) {
  h1 { font-size: 2rem; }
  h2 { font-size: 1.5rem; }

  .hero { padding: 3rem 0; }
  .hero h1 { font-size: 2rem; }
  .hero p { font-size: 1rem; }

  .section { padding: 3rem 0; }

  .nav__toggle {
    display: block;
  }

  .nav__links {
    display: none;
    position: absolute;
    top: var(--nav-height);
    left: 0;
    right: 0;
    background: var(--color-primary);
    flex-direction: column;
    padding: 1rem 1.5rem 1.5rem;
    gap: 0;
    box-shadow: var(--shadow-lg);
  }

  .nav__links.open {
    display: flex;
  }

  .nav__links a {
    padding: 0.75rem 0;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
  }

  .nav__links a:last-child {
    border-bottom: none;
  }

  .nav__toggle.open span:nth-child(1) {
    transform: rotate(45deg) translate(5px, 5px);
  }

  .nav__toggle.open span:nth-child(2) {
    opacity: 0;
  }

  .nav__toggle.open span:nth-child(3) {
    transform: rotate(-45deg) translate(5px, -5px);
  }

  .contact-grid {
    grid-template-columns: 1fr;
  }

  .footer__grid {
    grid-template-columns: 1fr;
    text-align: center;
  }

  .cards {
    grid-template-columns: 1fr;
  }

  .process {
    grid-template-columns: 1fr 1fr;
  }
}

@media (max-width: 480px) {
  .hero .btn {
    display: block;
    margin: 0.5rem auto;
    max-width: 250px;
  }

  .process {
    grid-template-columns: 1fr;
  }
}