/* ============================================
   PT PANCA SINERGI TELEKOMUNIKASI — Design Tokens
   ============================================ */
:root {
  --ink: #070b14;
  --ink-soft: #0d1424;
  --paper: #f3f5f9;
  --paper-dim: #e7eaf1;
  --blue-deep: #012f73;
  --blue-mid: #0a4f9e;
  --blue-bright: #1c7ce0;
  --steel: #5b646b;
  --steel-light: #8a929a;
  --signal: #43d9c8;
  --white: #ffffff;

  --font-display: 'Space Grotesk', sans-serif;
  --font-body: 'Inter', sans-serif;
  --font-mono: 'JetBrains Mono', monospace;

  --radius: 14px;
  --radius-sm: 8px;
  --container: 1180px;

  --ease: cubic-bezier(0.16, 1, 0.3, 1);
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.001ms !important;
    scroll-behavior: auto !important;
  }
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: var(--font-body);
  background: var(--paper);
  color: var(--ink);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

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

a {
  color: inherit;
  text-decoration: none;
}

.container {
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 28px;
}

h1, h2, h3 {
  font-family: var(--font-display);
  font-weight: 600;
  line-height: 1.15;
  margin: 0;
  letter-spacing: -0.01em;
}

h1 { font-size: clamp(2.4rem, 5vw, 3.6rem); }
h2 { font-size: clamp(1.7rem, 3vw, 2.4rem); }
h3 { font-size: 1.15rem; }

p { margin: 0; color: var(--steel); }

:focus-visible {
  outline: 2px solid var(--blue-bright);
  outline-offset: 3px;
  border-radius: 4px;
}

/* ambient background grid — subtle, evokes network/NOC without shouting */
.noc-grid {
  position: fixed;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  background-image:
    linear-gradient(rgba(10, 79, 158, 0.035) 1px, transparent 1px),
    linear-gradient(90deg, rgba(10, 79, 158, 0.035) 1px, transparent 1px);
  background-size: 56px 56px;
  opacity: 0.5;
}

/* ============================================
   BUTTONS
   ============================================ */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 13px 26px;
  border-radius: 100px;
  font-family: var(--font-body);
  font-weight: 600;
  font-size: 0.95rem;
  border: 1px solid transparent;
  cursor: pointer;
  transition: transform 0.25s var(--ease), box-shadow 0.25s var(--ease), background 0.25s var(--ease), border-color 0.25s var(--ease);
  white-space: nowrap;
}
.btn:hover { transform: translateY(-2px); }

.btn-primary {
  background: linear-gradient(135deg, var(--blue-mid), var(--blue-deep));
  color: var(--white);
  box-shadow: 0 8px 24px -8px rgba(10, 79, 158, 0.55);
}
.btn-primary:hover { box-shadow: 0 12px 28px -8px rgba(10, 79, 158, 0.65); }

.btn-ghost {
  background: transparent;
  color: var(--ink);
  border-color: rgba(10, 14, 26, 0.16);
}
.btn-ghost:hover { border-color: var(--blue-mid); color: var(--blue-deep); }

.btn-outline {
  width: 100%;
  margin-top: 22px;
  background: transparent;
  color: var(--blue-deep);
  border-color: rgba(10, 79, 158, 0.3);
}
.btn-outline:hover { background: rgba(10, 79, 158, 0.06); }

/* ============================================
   HEADER
   ============================================ */
.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(243, 245, 249, 0.82);
  backdrop-filter: blur(14px);
  border-bottom: 1px solid rgba(10, 14, 26, 0.06);
}
.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 76px;
  gap: 24px;
}
.brand { display: flex; align-items: center; gap: 12px; flex-shrink: 0; }
.brand-logo { height: 48px; width: auto; }
.brand-name {
  font-family: var(--font-display);
  font-size: 0.95rem;
  font-weight: 600;
  line-height: 1.15;
  color: var(--ink);
  letter-spacing: -0.01em;
}

.main-nav {
  display: flex;
  align-items: center;
  gap: 26px;
  margin-left: auto;
  margin-right: 24px;
}
.main-nav a {
  font-size: 0.92rem;
  font-weight: 500;
  color: var(--steel);
  transition: color 0.2s;
  position: relative;
}
.main-nav a:hover { color: var(--blue-deep); }

.nav-cta { flex-shrink: 0; }

.nav-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 36px;
  height: 36px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 0;
}
.nav-toggle span {
  display: block;
  height: 2px;
  width: 100%;
  background: var(--ink);
  border-radius: 2px;
  transition: transform 0.25s, opacity 0.25s;
}
.nav-toggle.is-open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-toggle.is-open span:nth-child(2) { opacity: 0; }
.nav-toggle.is-open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ============================================
   HERO
   ============================================ */
.hero {
  position: relative;
  padding-top: 64px;
  overflow: hidden;
  z-index: 1;
}
.hero-inner {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  align-items: center;
  gap: 40px;
  padding-bottom: 64px;
  min-height: 56vh;
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  font-family: var(--font-mono);
  font-size: 0.78rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--blue-mid);
  margin: 0 0 18px;
  font-weight: 500;
}
.eyebrow-dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--signal);
  box-shadow: 0 0 0 0 rgba(67, 217, 200, 0.5);
  animation: pulse-dot 2.4s infinite;
  flex-shrink: 0;
}
@keyframes pulse-dot {
  0% { box-shadow: 0 0 0 0 rgba(67, 217, 200, 0.5); }
  70% { box-shadow: 0 0 0 7px rgba(67, 217, 200, 0); }
  100% { box-shadow: 0 0 0 0 rgba(67, 217, 200, 0); }
}

.hero h1 { color: var(--ink); }
.text-accent {
  background: linear-gradient(135deg, var(--blue-bright), var(--blue-deep));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.hero-lead {
  margin-top: 22px;
  font-size: 1.1rem;
  max-width: 480px;
  color: var(--steel);
}

.hero-actions {
  display: flex;
  gap: 14px;
  margin-top: 34px;
  flex-wrap: wrap;
}

.hero-visual {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
}
.signal-svg { width: 100%; max-width: 420px; }
.ring {
  fill: none;
  stroke: var(--blue-mid);
  stroke-width: 1.2;
  opacity: 0.35;
}
.ring-1 { animation: ring-pulse 3.6s var(--ease) infinite; }
.ring-2 { animation: ring-pulse 3.6s var(--ease) infinite; animation-delay: 0.5s; }
.ring-3 { animation: ring-pulse 3.6s var(--ease) infinite; animation-delay: 1s; }
@keyframes ring-pulse {
  0% { opacity: 0.5; }
  50% { opacity: 0.12; }
  100% { opacity: 0.5; }
}
.node-core {
  fill: var(--blue-deep);
  filter: drop-shadow(0 0 10px rgba(10, 79, 158, 0.5));
}
.node { fill: var(--signal); }
.link {
  stroke: var(--steel-light);
  stroke-width: 1;
  stroke-dasharray: 3 4;
  opacity: 0.6;
}

/* NOC strip — signature data panel */
.noc-strip {
  background: linear-gradient(135deg, var(--ink-soft), var(--ink));
  position: relative;
}
.noc-strip-inner {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  align-items: center;
  padding: 30px 28px;
  gap: 16px;
}
.noc-item {
  display: flex;
  flex-direction: column;
  gap: 6px;
}
.noc-label {
  font-family: var(--font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.08em;
  color: var(--steel-light);
  text-transform: uppercase;
}
.noc-value {
  font-family: var(--font-display);
  font-size: 1.7rem;
  font-weight: 600;
  color: var(--white);
}
.noc-value.noc-mono { font-family: var(--font-mono); font-size: 1.3rem; color: var(--signal); }
.noc-plus, .noc-unit { color: var(--signal); font-size: 1.1rem; }
.noc-sep {
  width: 1px;
  height: 36px;
  background: rgba(255,255,255,0.1);
  justify-self: end;
}
.noc-item:last-child .noc-sep { display: none; }

/* ============================================
   SECTIONS — shared
   ============================================ */
.section {
  position: relative;
  z-index: 1;
  padding: 96px 0;
}
.section-alt { background: var(--paper-dim); }
.section-dark {
  background: linear-gradient(160deg, var(--ink), var(--ink-soft));
}
.section-dark p { color: var(--steel-light); }

.eyebrow-on-dark { color: var(--signal); }
.on-dark { color: var(--white); }

.section-head { max-width: 640px; }
.section-head-center { margin: 0 auto 56px; text-align: center; }
.section-head-center .eyebrow { justify-content: center; }

.section-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 56px;
  align-items: start;
  margin-bottom: 48px;
}
.section-body p { margin-bottom: 16px; }
.section-body p:last-child { margin-bottom: 0; }

/* visi misi */
.vm-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
}
.vm-card {
  background: var(--white);
  border-radius: var(--radius);
  padding: 32px;
  border: 1px solid rgba(10,14,26,0.06);
}
.vm-tag {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.08em;
  color: var(--blue-mid);
  background: rgba(10, 79, 158, 0.08);
  padding: 5px 12px;
  border-radius: 100px;
  margin-bottom: 16px;
}
.vm-card p { color: var(--ink); font-size: 0.97rem; }
.vm-list { margin: 0; padding-left: 18px; color: var(--ink); font-size: 0.97rem; }
.vm-list li { margin-bottom: 10px; }
.vm-list li:last-child { margin-bottom: 0; }

/* feature grid */
.feature-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.feature-card {
  background: var(--white);
  border-radius: var(--radius);
  padding: 32px;
  border: 1px solid rgba(10,14,26,0.06);
  transition: transform 0.3s var(--ease), box-shadow 0.3s var(--ease);
}
.feature-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 16px 32px -16px rgba(10, 14, 26, 0.12);
}
.feature-icon {
  width: 52px;
  height: 52px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-sm);
  background: linear-gradient(135deg, rgba(10,79,158,0.1), rgba(67,217,200,0.1));
  color: var(--blue-deep);
  margin-bottom: 20px;
}
.feature-icon svg { width: 26px; height: 26px; }
.feature-card h3 { margin-bottom: 10px; color: var(--ink); }
.feature-card p { font-size: 0.95rem; }

/* ============================================
   PRICING
   ============================================ */
.price-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  align-items: stretch;
}
.price-card {
  position: relative;
  background: var(--white);
  border: 1px solid rgba(10,14,26,0.08);
  border-radius: var(--radius);
  padding: 36px 30px;
  display: flex;
  flex-direction: column;
}
.price-card-highlight {
  border: 1px solid var(--blue-mid);
  box-shadow: 0 24px 48px -24px rgba(10, 79, 158, 0.35);
  transform: translateY(-8px);
}
.price-badge {
  position: absolute;
  top: -13px;
  left: 30px;
  background: linear-gradient(135deg, var(--blue-mid), var(--blue-deep));
  color: var(--white);
  font-size: 0.72rem;
  font-weight: 600;
  padding: 5px 14px;
  border-radius: 100px;
  letter-spacing: 0.02em;
}
.price-card-head {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  margin-bottom: 18px;
}
.price-tier {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--steel);
}
.price-speed {
  font-family: var(--font-display);
  font-size: 1.7rem;
  font-weight: 700;
  color: var(--blue-deep);
}
.price-speed span { font-size: 0.95rem; font-weight: 500; color: var(--steel); margin-left: 2px; }
.price-amount {
  font-family: var(--font-display);
  font-size: 2.1rem;
  font-weight: 700;
  color: var(--ink);
  margin-bottom: 14px;
}
.price-amount span { font-size: 0.95rem; font-weight: 500; color: var(--steel); }
.price-desc { font-size: 0.93rem; margin-bottom: 22px; min-height: 44px; }
.price-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 12px;
  flex-grow: 1;
}
.price-list li {
  font-size: 0.92rem;
  color: var(--ink);
  padding-left: 24px;
  position: relative;
}
.price-list li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 6px;
  width: 14px;
  height: 14px;
  border-radius: 50%;
  background: rgba(67, 217, 200, 0.18);
  border: 1.5px solid var(--signal);
}
.price-note {
  text-align: center;
  margin-top: 36px;
  font-size: 0.88rem;
  color: var(--steel-light);
}

/* ============================================
   STATS (dark section)
   ============================================ */
.stat-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.stat-card {
  background: rgba(255,255,255,0.03);
  border: 1px solid rgba(255,255,255,0.08);
  border-radius: var(--radius);
  padding: 32px;
  text-align: center;
}
.stat-value {
  font-family: var(--font-display);
  font-size: 2.4rem;
  font-weight: 700;
  color: var(--white);
  margin-bottom: 12px;
}
.stat-value span { font-size: 1.1rem; color: var(--signal); margin-left: 4px; }
.stat-card p { font-size: 0.93rem; }

/* ============================================
   COVERAGE
   ============================================ */
.coverage-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.coverage-card {
  padding: 32px;
  border-radius: var(--radius);
  background: var(--white);
  border: 1px solid rgba(10,14,26,0.06);
  border-top: 3px solid var(--blue-mid);
}
.coverage-index {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--blue-mid);
}
.coverage-card h3 { margin: 12px 0 10px; color: var(--ink); }
.coverage-card p { font-size: 0.93rem; }

/* ============================================
   CONTACT
   ============================================ */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 56px;
  align-items: center;
}
.contact-lead { margin-top: 16px; max-width: 460px; }
.contact-list {
  list-style: none;
  margin: 32px 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 20px;
}
.contact-list li {
  display: flex;
  flex-direction: column;
  gap: 4px;
}
.contact-label {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--steel-light);
}
.contact-value { font-size: 1rem; color: var(--ink); font-weight: 500; }
.contact-link { transition: color 0.2s; }
.contact-link:hover { color: var(--blue-deep); }

/* ============================================
   FOOTER
   ============================================ */
.site-footer {
  background: var(--ink);
  position: relative;
  z-index: 1;
}
.footer-inner {
  display: grid;
  grid-template-columns: 1.4fr 1fr;
  gap: 40px;
  padding: 56px 0 32px;
}
.footer-brand { display: flex; flex-direction: column; gap: 16px; }
.footer-logo { height: 40px; }
.footer-brand p { font-size: 0.88rem; color: var(--steel-light); max-width: 360px; }
.footer-links {
  display: flex;
  flex-direction: column;
  gap: 12px;
  justify-self: end;
}
.footer-links a {
  font-size: 0.9rem;
  color: var(--steel-light);
  transition: color 0.2s;
}
.footer-links a:hover { color: var(--white); }
.footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.08);
  padding: 22px 0;
}
.footer-bottom p {
  font-size: 0.8rem;
  color: var(--steel-light);
  margin: 0;
  text-align: center;
}

/* ============================================
   RESPONSIVE
   ============================================ */
@media (max-width: 980px) {
  .hero-inner { grid-template-columns: 1fr; text-align: center; padding-bottom: 40px; }
  .hero-lead { margin-left: auto; margin-right: auto; }
  .hero-actions { justify-content: center; }
  .eyebrow { justify-content: center; }
  .hero-visual { order: -1; max-width: 320px; margin: 0 auto 16px; }
  .noc-strip-inner { grid-template-columns: repeat(2, 1fr); row-gap: 24px; }
  .noc-sep { display: none; }

  .section-grid { grid-template-columns: 1fr; }
  .vm-grid { grid-template-columns: 1fr; }
  .feature-grid { grid-template-columns: 1fr; }
  .price-grid { grid-template-columns: 1fr; }
  .price-card-highlight { transform: none; }
  .stat-grid { grid-template-columns: 1fr; }
  .coverage-grid { grid-template-columns: 1fr; }
  .contact-grid { grid-template-columns: 1fr; }
  .footer-inner { grid-template-columns: 1fr; }
  .footer-links { justify-self: start; }
}

@media (max-width: 1040px) {
  .main-nav { display: none; }
  .nav-toggle { display: flex; }
  .nav-cta { display: none; }

  .site-header.menu-open .main-nav {
    display: flex;
    flex-direction: column;
    position: absolute;
    top: 76px;
    left: 0;
    right: 0;
    background: var(--paper);
    padding: 24px 28px;
    gap: 18px;
    border-bottom: 1px solid rgba(10,14,26,0.08);
    margin: 0;
  }
}

@media (max-width: 540px) {
  .header-inner { height: 66px; }
  .brand-logo { height: 38px; }
  .brand-name { display: none; }
  .section { padding: 64px 0; }
  .price-card-highlight { transform: none; }
}