/*
  Niaga Hoster Global Styles
  Style direction: Modern, profesional, clean, responsif
  Color tokens: #1A237E (primary blue), #00B8D4 (accent blue), #F5F7FA (background), #263238 (dark text)
  Typography: Montserrat, Open Sans, monospace
  Spacing scale: 4px, 8px, 16px, 32px, 64px
  Breakpoints: ≤600px, 601px–1024px, ≥1025px
  Update: Perbaikan kontras warna heading, tombol, dan teks utama pada background biru gelap untuk aksesibilitas mobile/tablet. Landmark <main> tidak diatur di CSS, namun class .main-content disiapkan untuk styling jika diperlukan.
  PATCH 2024-07-24: Perbaikan aksesibilitas dan UX pada bullet list, tombol CTA, dan spacing di mobile/tablet sesuai review.
*/

:root {
  --color-primary: #1A237E;
  --color-accent: #00B8D4;
  --color-bg: #F5F7FA;
  --color-text: #263238;
  --color-white: #fff;
  --color-black: #000;
  --color-cta-text: #fff;
  --color-cta-bg: #1A237E;
  --color-cta-bg-focus: #00B8D4;
  --color-cta-text-focus: #fff;
  --color-heading-overlay: #fff;
  --color-heading-shadow: rgba(26,35,126,0.35);
  --color-bullet: #00B8D4;
  --color-bullet-contrast: #fff;
  --font-heading: 'Montserrat', sans-serif;
  --font-body: 'Open Sans', sans-serif;
  --font-mono: 'Fira Mono', 'Consolas', monospace;
  --space-1: 4px;
  --space-2: 8px;
  --space-3: 16px;
  --space-4: 32px;
  --space-5: 64px;
}

html {
  box-sizing: border-box;
  font-size: 16px;
  background: var(--color-bg);
  color: var(--color-text);
  scroll-behavior: smooth;
}
*, *:before, *:after {
  box-sizing: inherit;
}
body {
  margin: 0;
  font-family: var(--font-body);
  background: var(--color-bg);
  color: var(--color-text);
  min-height: 100vh;
  line-height: 1.6;
}
img {
  max-width: 100%;
  display: block;
}
a {
  color: var(--color-accent);
  text-decoration: none;
  transition: color 0.2s;
}
a:hover, a:focus {
  color: var(--color-primary);
  text-decoration: underline;
}

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  color: var(--color-primary);
  margin-top: 0;
  margin-bottom: var(--space-2);
  font-weight: 700;
}
h1 { font-size: 2.5rem; }
h2 { font-size: 2rem; }
h3 { font-size: 1.5rem; }
h4 { font-size: 1.25rem; }
h5 { font-size: 1rem; }
h6 { font-size: 0.875rem; }

p {
  margin-top: 0;
  margin-bottom: var(--space-3);
}

ul, ol {
  margin-top: 0;
  margin-bottom: var(--space-3);
  padding-left: var(--space-4);
}

/* PATCH: Bullet List Aksesibilitas & Spacing */
ul, ol {
  list-style: none;
  padding-left: 0;
}
ul.accessible-bullet, ol.accessible-bullet {
  margin-bottom: var(--space-3);
  padding-left: 0;
}
ul.accessible-bullet li, ol.accessible-bullet li {
  position: relative;
  padding-left: 1.6em;
  margin-bottom: var(--space-2);
  line-height: 1.7;
}
ul.accessible-bullet li:last-child, ol.accessible-bullet li:last-child {
  margin-bottom: 0;
}
ul.accessible-bullet li::before, ol.accessible-bullet li::before {
  content: '';
  display: inline-block;
  position: absolute;
  left: 0;
  top: 0.7em;
  width: 0.7em;
  height: 0.7em;
  border-radius: 50%;
  background: var(--color-bullet);
  border: 2px solid var(--color-bullet-contrast);
  box-shadow: 0 0 0 2px var(--color-primary);
}
@media (max-width: 1024px) {
  ul.accessible-bullet li, ol.accessible-bullet li {
    margin-bottom: var(--space-2);
    line-height: 1.7;
  }
}
@media (max-width: 600px) {
  ul.accessible-bullet li, ol.accessible-bullet li {
    margin-bottom: var(--space-3);
    line-height: 1.8;
  }
}

/* Navigation Bar */
.navbar {
  background: #fff;
  border-bottom: 1px solid #e3e7ef;
  padding: var(--space-2) 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  position: sticky;
  top: 0;
  z-index: 100;
}
.navbar-logo {
  height: 40px;
  width: auto;
}
.navbar-menu {
  display: flex;
  gap: var(--space-3);
}
.navbar-menu a {
  font-family: var(--font-heading);
  font-weight: 600;
  font-size: 1rem;
  color: var(--color-text);
  padding: var(--space-1) var(--space-2);
  border-radius: 4px;
  transition: background 0.2s;
}
.navbar-menu a:hover, .navbar-menu a:focus {
  background: var(--color-accent);
  color: #fff;
}

/* PATCH: Tombol CTA di Navbar pada background biru */
.navbar .btn-primary {
  background: var(--color-accent);
  color: var(--color-white);
  border: 2px solid var(--color-accent);
  margin-left: var(--space-2);
  font-size: 1rem;
  padding: var(--space-2) var(--space-4);
  border-radius: 6px;
  font-family: var(--font-heading);
  font-weight: 700;
  box-shadow: 0 2px 8px rgba(0,184,212,0.10);
  transition: background 0.2s, color 0.2s, border-color 0.2s;
}
.navbar .btn-primary:hover, .navbar .btn-primary:focus {
  background: var(--color-primary);
  color: var(--color-white);
  border-color: var(--color-primary);
}

/* Hero Section */
.section-hero {
  display: flex;
  flex-direction: row;
  align-items: center;
  justify-content: space-between;
  background: url('../assets/bg-section.webp') no-repeat center/cover;
  padding: var(--space-5) var(--space-4);
  min-height: 480px;
  gap: var(--space-4);
  position: relative;
}
.section-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(90deg, rgba(26,35,126,0.92) 0%, rgba(26,35,126,0.80) 60%, rgba(26,35,126,0.0) 100%);
  z-index: 1;
  pointer-events: none;
}
.section-hero-content {
  max-width: 540px;
  position: relative;
  z-index: 2;
}
.section-hero h1,
.section-hero h2 {
  color: var(--color-heading-overlay);
  text-shadow: 0 2px 8px var(--color-heading-shadow);
  margin-bottom: var(--space-3);
}
.section-hero p {
  color: var(--color-white);
  font-size: 1.25rem;
  margin-bottom: var(--space-4);
  text-shadow: 0 1px 4px rgba(26,35,126,0.25);
}
.section-hero .btn-primary {
  margin-right: var(--space-2);
  background: var(--color-cta-bg);
  color: var(--color-cta-text);
  border: 2px solid var(--color-cta-bg);
  box-shadow: 0 2px 8px rgba(26,35,126,0.18);
}
.section-hero .btn-primary:hover, .section-hero .btn-primary:focus {
  background: var(--color-cta-bg-focus);
  color: var(--color-cta-text-focus);
  border-color: var(--color-cta-bg-focus);
}
.section-hero-img {
  flex: 1 1 320px;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  z-index: 2;
}

/* PATCH: Tombol CTA Hero Mobile Responsive */
@media (max-width: 600px) {
  .section-hero .cta-row {
    display: flex;
    flex-direction: column;
    gap: var(--space-2);
    align-items: stretch;
    margin-bottom: var(--space-3);
  }
  .section-hero .btn-primary {
    width: 100%;
    margin-right: 0;
    margin-bottom: 0;
    font-size: 1.1rem;
    white-space: normal;
    word-break: break-word;
    padding: var(--space-2) var(--space-3);
  }
}

/* Feature Cards */
.feature-cards {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-4);
  justify-content: center;
  margin: var(--space-5) 0;
}
.feature-card {
  background: #fff;
  border-radius: 12px;
  box-shadow: 0 2px 12px rgba(26,35,126,0.06);
  padding: var(--space-4);
  flex: 1 1 220px;
  max-width: 320px;
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  transition: box-shadow 0.2s;
}
.feature-card:hover {
  box-shadow: 0 4px 24px rgba(0,184,212,0.13);
}
.feature-card img {
  height: 56px;
  margin-bottom: var(--space-3);
}
.feature-card h3 {
  font-size: 1.25rem;
  color: var(--color-primary);
  margin-bottom: var(--space-2);
}
.feature-card p {
  color: var(--color-text);
  font-size: 1rem;
}

/* Pricing Table */
.pricing-table {
  width: 100%;
  max-width: 960px;
  margin: var(--space-5) auto;
  background: #fff;
  border-radius: 12px;
  box-shadow: 0 2px 12px rgba(26,35,126,0.06);
  overflow: hidden;
  display: flex;
  flex-wrap: wrap;
  gap: 0;
}
.pricing-plan {
  flex: 1 1 240px;
  padding: var(--space-4);
  border-right: 1px solid #e3e7ef;
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
}
.pricing-plan:last-child {
  border-right: none;
}
.pricing-plan h4 {
  color: var(--color-primary);
  margin-bottom: var(--space-2);
}
.pricing-plan ul {
  list-style: none;
  padding: 0;
  margin: var(--space-3) 0;
}
.pricing-plan ul li {
  margin-bottom: var(--space-2);
  color: var(--color-text);
}
.pricing-plan .btn-primary {
  margin-top: var(--space-3);
}

/* Testimonial Section */
.section-testimonial {
  background: #fff;
  border-radius: 12px;
  box-shadow: 0 2px 12px rgba(26,35,126,0.06);
  margin: var(--space-5) auto;
  max-width: 960px;
  padding: var(--space-5) var(--space-4);
  display: flex;
  align-items: center;
  gap: var(--space-4);
}
.section-testimonial-img {
  flex: 0 0 180px;
}
.section-testimonial-content {
  flex: 1 1 0;
}
.section-testimonial blockquote {
  font-size: 1.125rem;
  color: var(--color-primary);
  margin: 0 0 var(--space-2) 0;
  font-style: italic;
}
.section-testimonial cite {
  display: block;
  color: var(--color-text);
  font-size: 1rem;
  font-style: normal;
}

/* Contact Form */
.contact-section {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-5);
  align-items: center;
  justify-content: center;
  background: #fff;
  border-radius: 12px;
  box-shadow: 0 2px 12px rgba(26,35,126,0.06);
  padding: var(--space-5) var(--space-4);
  max-width: 960px;
  margin: var(--space-5) auto;
}
.contact-illustration {
  flex: 0 0 200px;
}
.contact-form {
  flex: 1 1 320px;
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}
.contact-form label {
  font-family: var(--font-heading);
  font-weight: 600;
  margin-bottom: var(--space-1);
}
.contact-form input,
.contact-form textarea {
  font-family: var(--font-body);
  font-size: 1rem;
  padding: var(--space-2);
  border: 1px solid #e3e7ef;
  border-radius: 6px;
  background: #f9fafc;
  resize: vertical;
}
.contact-form textarea {
  min-height: 96px;
}
.contact-form button {
  align-self: flex-start;
}

/* PATCH: Daftar fitur di kontak.html mobile spacing */
@media (max-width: 600px) {
  .contact-section ul.accessible-bullet li {
    margin-bottom: var(--space-3);
    line-height: 1.8;
  }
}

/* Buttons */
.btn-primary {
  background: var(--color-cta-bg);
  color: var(--color-cta-text);
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 1rem;
  padding: var(--space-2) var(--space-4);
  border: 2px solid var(--color-cta-bg);
  border-radius: 6px;
  cursor: pointer;
  transition: background 0.2s, box-shadow 0.2s, color 0.2s, border-color 0.2s;
  box-shadow: 0 2px 8px rgba(26,35,126,0.10);
}
.btn-primary:hover, .btn-primary:focus {
  background: var(--color-cta-bg-focus);
  color: var(--color-cta-text-focus);
  border-color: var(--color-cta-bg-focus);
}

/* PATCH: Tombol CTA layanan.html mobile responsif */
@media (max-width: 600px) {
  .layanan-cta-row {
    display: flex;
    flex-direction: column;
    gap: var(--space-2);
    align-items: stretch;
    margin-bottom: var(--space-3);
  }
  .layanan-cta-row .btn-primary {
    width: 100%;
    margin-bottom: 0;
    font-size: 1.1rem;
    white-space: normal;
    word-break: break-word;
    padding: var(--space-2) var(--space-3);
  }
}

/* Footer */
.footer-main {
  background: var(--color-primary);
  color: #fff;
  padding: var(--space-4) 0;
  text-align: center;
  font-size: 1rem;
  font-family: var(--font-body);
  margin-top: var(--space-5);
}
.footer-main a {
  color: var(--color-accent);
  text-decoration: underline;
}

/* Responsive Styles */
@media (max-width: 1024px) {
  .section-hero {
    flex-direction: column;
    padding: var(--space-5) var(--space-2);
    text-align: center;
  }
  .section-hero::before {
    background: linear-gradient(180deg, rgba(26,35,126,0.93) 0%, rgba(26,35,126,0.80) 60%, rgba(26,35,126,0.0) 100%);
  }
  .section-hero-img {
    margin-top: var(--space-4);
  }
  .feature-cards {
    gap: var(--space-3);
  }
  .pricing-table {
    flex-direction: column;
  }
  .pricing-plan {
    border-right: none;
    border-bottom: 1px solid #e3e7ef;
  }
  .pricing-plan:last-child {
    border-bottom: none;
  }
  .section-testimonial {
    flex-direction: column;
    text-align: center;
  }
  .contact-section {
    flex-direction: column;
    text-align: center;
  }
}
@media (max-width: 600px) {
  html {
    font-size: 15px;
  }
  .navbar {
    flex-direction: column;
    gap: var(--space-2);
    padding: var(--space-2) var(--space-1);
  }
  .navbar-menu {
    flex-direction: column;
    gap: var(--space-1);
  }
  .section-hero {
    padding: var(--space-4) var(--space-1);
    min-height: 340px;
  }
  .section-hero::before {
    background: linear-gradient(180deg, rgba(26,35,126,0.97) 0%, rgba(26,35,126,0.90) 60%, rgba(26,35,126,0.0) 100%);
  }
  .section-hero h1, .section-hero h2 {
    font-size: 2rem;
    color: var(--color-heading-overlay);
    text-shadow: 0 2px 8px var(--color-heading-shadow);
  }
  .section-hero p {
    font-size: 1.05rem;
    color: var(--color-white);
    text-shadow: 0 1px 4px rgba(26,35,126,0.25);
  }
  .feature-cards {
    flex-direction: column;
    gap: var(--space-2);
  }
  .feature-card {
    max-width: 100%;
    padding: var(--space-3);
  }
  .pricing-table {
    max-width: 100%;
    margin: var(--space-4) 0;
  }
  .section-testimonial, .contact-section {
    padding: var(--space-4) var(--space-1);
    max-width: 100%;
  }
  .footer-main {
    font-size: 0.95rem;
    padding: var(--space-3) 0;
  }
}

/* Accessibility */
:focus {
  outline: 2px solid var(--color-accent);
  outline-offset: 2px;
}

[aria-current="page"] {
  font-weight: bold;
  text-decoration: underline;
}

/* Landmark main styling for accessibility if needed */
.main-content {
  display: block;
}