/* ════════════════════════════════════════════════════════════════ */
/* DARK MODE (DEFAULT) — COLOR VARIABLES                          */
/* ════════════════════════════════════════════════════════════════ */
:root,
[data-theme="dark"] {
  /* Brand blues */
  --blue-400: #2563eb;
  --blue-300: #3b82f6;
  --blue-200: #60a5fa;
  --blue-100: #bfdbfe;
  --blue-50:  #eff6ff;
  --cyan-400: #06b6d4;
  --cyan-300: #22d3ee;
  --cyan-200: #67e8f9;

  /* Steel grays */
  --steel-700: #1e293b;
  --steel-600: #334155;
  --steel-500: #475569;
  --steel-400: #64748b;
  --steel-300: #94a3b8;
  --steel-200: #cbd5e1;
  --steel-100: #e2e8f0;

  /* Text */
  --text-primary:   #f0f6ff;
  --text-secondary: #94a3b8;
  --text-muted:     #4f6080;

  /* Borders & glows */
  --border-subtle: rgba(59,130,246,0.12);
  --border-mid:    rgba(59,130,246,0.22);
  --glow-blue:     rgba(37,99,235,0.35);
  --glow-cyan:     rgba(6,182,212,0.25);

  /* ── Component-level tokens ── */
  --body-bg:            #020917;
  --grid-line:          rgba(37,99,235,0.025);
  --navbar-bg:          rgba(2,9,23,0.85);
  --navbar-scrolled-bg: rgba(2,9,23,0.97);
  --hero-glow-1:        rgba(37,99,235,0.18);
  --hero-glow-2:        rgba(6,182,212,0.12);
  --features-bar-bg:    rgba(7,21,53,0.6);
  --card-bg:            rgba(7,21,53,0.7);
  --card-featured-bg:   rgba(14,37,96,0.7);
  --card-featured-border: rgba(59,130,246,0.4);
  --card-featured-shadow: rgba(37,99,235,0.15);
  --enterprise-bg:      rgba(5,15,38,0.6);
  --stat-block-bg:      rgba(7,21,53,0.7);
  --infra-card-bg:      rgba(7,21,53,0.8);
  --infra-bar-bg:       rgba(59,130,246,0.1);
  --infra-row-border:   rgba(59,130,246,0.06);
  --footer-bg:          rgba(2,9,23,0.98);
  --social-bg:          rgba(37,99,235,0.08);
  --social-bg-hover:    rgba(37,99,235,0.18);

  /* Theme toggle appearance */
  --toggle-bg:     rgba(255,255,255,0.06);
  --toggle-border: rgba(255,255,255,0.12);
  --toggle-color:  #fbbf24;   /* amber sun */
  --toggle-hover-bg: rgba(251,191,36,0.12);
}

/* ════════════════════════════════════════════════════════════════ */
/* LIGHT MODE — OVERRIDES                                          */
/* ════════════════════════════════════════════════════════════════ */
[data-theme="light"] {
  /* Brand blues stay mostly the same, slightly deeper for contrast */
  --blue-400: #1d4ed8;
  --blue-300: #2563eb;
  --blue-200: #1e40af;
  --blue-100: #1e3a8a;
  --blue-50:  #dbeafe;
  --cyan-400: #0891b2;
  --cyan-300: #0e7490;
  --cyan-200: #155e75;

  /* Steel grays — inverted */
  --steel-700: #f1f5f9;
  --steel-600: #e2e8f0;
  --steel-500: #cbd5e1;
  --steel-400: #64748b;
  --steel-300: #475569;
  --steel-200: #334155;
  --steel-100: #1e293b;

  /* Text */
  --text-primary:   #0f172a;
  --text-secondary: #334155;
  --text-muted:     #64748b;

  /* Borders & glows */
  --border-subtle: rgba(37,99,235,0.14);
  --border-mid:    rgba(37,99,235,0.28);
  --glow-blue:     rgba(37,99,235,0.2);
  --glow-cyan:     rgba(8,145,178,0.15);

  /* ── Component-level tokens ── */
  --body-bg:            #f0f5ff;
  --grid-line:          rgba(37,99,235,0.045);
  --navbar-bg:          rgba(240,245,255,0.88);
  --navbar-scrolled-bg: rgba(240,245,255,0.97);
  --hero-glow-1:        rgba(37,99,235,0.10);
  --hero-glow-2:        rgba(8,145,178,0.08);
  --features-bar-bg:    rgba(226,234,255,0.7);
  --card-bg:            rgba(255,255,255,0.9);
  --card-featured-bg:   rgba(219,234,254,0.8);
  --card-featured-border: rgba(37,99,235,0.35);
  --card-featured-shadow: rgba(37,99,235,0.1);
  --enterprise-bg:      rgba(224,231,255,0.4);
  --stat-block-bg:      rgba(255,255,255,0.85);
  --infra-card-bg:      rgba(255,255,255,0.92);
  --infra-bar-bg:       rgba(37,99,235,0.08);
  --infra-row-border:   rgba(37,99,235,0.07);
  --footer-bg:          rgba(2,9,23,0.98);   /* footer stays dark */
  --social-bg:          rgba(37,99,235,0.07);
  --social-bg-hover:    rgba(37,99,235,0.16);

  /* Theme toggle appearance */
  --toggle-bg:     rgba(0,0,0,0.05);
  --toggle-border: rgba(0,0,0,0.10);
  --toggle-color:  #475569;   /* slate moon */
  --toggle-hover-bg: rgba(71,85,105,0.10);
}

/* ════════════════════════════════════════════════════════════════ */
/* TRANSITION — smooth theme switching on all elements            */
/* ════════════════════════════════════════════════════════════════ */
*,
*::before,
*::after {
  transition:
    background-color 0.35s ease,
    border-color 0.35s ease,
    color 0.35s ease,
    box-shadow 0.35s ease;
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

/* Exempt animations from the global transition (they have their own timing) */
.fiber-line,
.signal-ring,
.badge-dot,
.infra-bar,
circle[r] {
  transition: none !important;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: 'DM Sans', sans-serif;
  background: var(--body-bg);
  color: var(--text-primary);
  overflow-x: hidden;
  line-height: 1.7;
  position: relative;
}

/* Grid Noise Background */
body::before {
  content: '';
  position: fixed;
  inset: 0;
  background-image:
    linear-gradient(var(--grid-line) 1px, transparent 1px),
    linear-gradient(90deg, var(--grid-line) 1px, transparent 1px);
  background-size: 60px 60px;
  pointer-events: none;
  z-index: 0;
}

/* ════════════════════════════════════════════════════════════════ */
/* TYPOGRAPHY */
/* ════════════════════════════════════════════════════════════════ */

h1, h2, h3, h4, h5 {
  font-family: 'Syne', sans-serif;
  font-weight: 700;
  line-height: 1.15;
  letter-spacing: -0.02em;
}

/* ════════════════════════════════════════════════════════════════ */
/* NAVBAR */
/* ════════════════════════════════════════════════════════════════ */

.navbar {
  position: fixed;
  top: 0;
  width: 100%;
  z-index: 100;
  padding: 0 2rem;
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  background: var(--navbar-bg);
  border-bottom: 1px solid var(--border-subtle);
  transition: background 0.35s ease, border-color 0.35s ease;
}

.navbar.scrolled {
  background: var(--navbar-scrolled-bg);
  border-bottom-color: var(--border-mid);
}

.nav-inner {
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
}

.logo-area {
  display: flex;
  align-items: center;
  gap: 12px;
  text-decoration: none;
}

.logo-img {
  height: 40px;
  width: auto;
  object-fit: contain;
  display: block;
}

.logo-text {
  display: flex;
  flex-direction: column;
}

.brand-name {
  font-family: 'Syne', sans-serif;
  font-weight: 800;
  font-size: 1.15rem;
  letter-spacing: 0.08em;
  color: var(--text-primary);
}

.brand-sub {
  font-family: 'DM Sans', sans-serif;
  font-size: 0.62rem;
  font-weight: 300;
  letter-spacing: 0.2em;
  color: var(--cyan-400);
  text-transform: uppercase;
  line-height: 1;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 2rem;
  list-style: none;
}

.nav-links a {
  text-decoration: none;
  font-size: 0.875rem;
  font-weight: 400;
  color: var(--steel-300);
  letter-spacing: 0.04em;
  transition: color 0.25s;
  position: relative;
}

.nav-links a:not(.btn-cta)::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0;
  height: 1px;
  background: var(--cyan-400);
  transition: width 0.3s ease;
}

.nav-links a:not(.btn-cta):hover {
  color: var(--text-primary);
}

.nav-links a:not(.btn-cta):hover::after {
  width: 100%;
}

.btn-cta {
  padding: 9px 22px;
  background: transparent;
  border: 1px solid var(--blue-400);
  border-radius: 6px;
  color: var(--blue-300);
  font-size: 0.85rem;
  font-weight: 500;
  transition: all 0.3s ease;
  cursor: pointer;
}

.btn-cta:hover {
  background: var(--blue-400);
  color: white;
  box-shadow: 0 0 24px var(--glow-blue);
}

/* ─── Theme Toggle Button ─── */
.theme-toggle {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  border-radius: 8px;
  background: var(--toggle-bg);
  border: 1px solid var(--toggle-border);
  color: var(--toggle-color);
  font-size: 0.9rem;
  cursor: pointer;
  transition: background 0.3s ease, box-shadow 0.3s ease, color 0.3s ease, border-color 0.3s ease;
  flex-shrink: 0;
}

.theme-toggle:hover {
  background: var(--toggle-hover-bg);
  box-shadow: 0 0 12px var(--toggle-hover-bg);
}

/* ════════════════════════════════════════════════════════════════ */
/* HERO SECTION */
/* ════════════════════════════════════════════════════════════════ */

.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding: 100px 2rem 80px;
  overflow: hidden;
}

.hero-bg {
  position: absolute;
  inset: 0;
  overflow: hidden;
  z-index: 0;
}

/* Hero background image */
.hero {
  background-image: url('https://images.unsplash.com/photo-1544197150-b99a580bb7a8?w=1920&q=80');
  background-size: cover;
  background-position: center;
  /* hapus background-attachment: fixed */
}

/* Overlay dark mode — kurangi opacity agar gambar terlihat */
.hero-bg::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(
    135deg,
    rgba(2, 9, 23, 0.75) 0%,
    rgba(5, 15, 38, 0.60) 50%,
    rgba(2, 9, 23, 0.50) 100%
  );
  z-index: 1;
}

/* Overlay light mode */
[data-theme="light"] .hero-bg::before {
  background: linear-gradient(
    135deg,
    rgba(240, 245, 255, 0.82) 0%,
    rgba(220, 232, 255, 0.70) 50%,
    rgba(240, 245, 255, 0.65) 100%
  );
}

/* Pastikan konten hero di atas overlay */
.hero-container {
  position: relative;
  z-index: 2;
}

.hero-bg::after {
  content: '';
  position: absolute;
  bottom: -10%;
  left: -5%;
  width: 500px;
  height: 500px;
  background: radial-gradient(circle, var(--hero-glow-2) 0%, transparent 65%);
  pointer-events: none;
}

.fiber-lines {
  position: absolute;
  inset: 0;
  overflow: hidden;
}

.fiber-line {
  position: absolute;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(6,182,212,0.4), transparent);
  animation: sweep 6s ease-in-out infinite;
  opacity: 0;
}

.fiber-line:nth-child(1) { top:20%; width:60%; left:20%; animation-delay:0s; }
.fiber-line:nth-child(2) { top:45%; width:40%; left:40%; animation-delay:2s; }
.fiber-line:nth-child(3) { top:70%; width:50%; left:15%; animation-delay:4s; }

.signal-ring {
  position: absolute;
  border-radius: 50%;
  border: 1px solid rgba(6,182,212,0.15);
  animation: pulse-ring 4s ease-out infinite;
}

.signal-ring:nth-child(4) { width:200px; height:200px; top:15%; right:12%; animation-delay:0s; }
.signal-ring:nth-child(5) { width:380px; height:380px; top:15%; right:12%; transform:translate(50%,-50%); animation-delay:1s; }
.signal-ring:nth-child(6) { width:560px; height:560px; top:15%; right:12%; transform:translate(100%,-75%); animation-delay:2s; }

@keyframes sweep {
  0%   { opacity:0; transform:scaleX(0) translateX(-50%); }
  20%, 80% { opacity:1; }
  100% { opacity:0; transform:scaleX(1) translateX(0); }
}

@keyframes pulse-ring {
  0%   { opacity:0.6; transform:scale(0.8); }
  100% { opacity:0;   transform:scale(1.2); }
}

.hero-container {
  max-width: 1200px;
  margin: 0 auto;
  width: 100%;
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: center;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 16px;
  background: rgba(6,182,212,0.08);
  border: 1px solid rgba(6,182,212,0.3);
  border-radius: 100px;
  font-size: 0.75rem;
  font-weight: 500;
  color: var(--cyan-300);
  letter-spacing: 0.12em;
  text-transform: uppercase;
  margin-bottom: 1.5rem;
  animation: fadeUp 0.6s ease forwards;
}

[data-theme="light"] .hero-badge {
  background: rgba(8,145,178,0.07);
  border-color: rgba(8,145,178,0.25);
}

.badge-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--cyan-400);
  box-shadow: 0 0 8px var(--cyan-400);
  animation: blink 2s ease-in-out infinite;
}

@keyframes blink {
  0%, 100% { opacity:1; }
  50%       { opacity:0.3; }
}

.hero h1 {
  font-size: clamp(2.4rem, 5vw, 3.8rem);
  font-weight: 800;
  margin-bottom: 1.25rem;
  animation: fadeUp 0.6s 0.1s ease both;
}

.hero h1 .line-accent {
  display: block;
  background: linear-gradient(90deg, var(--blue-300), var(--cyan-300));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero p {
  font-size: 1.05rem;
  color: var(--steel-300);
  max-width: 500px;
  margin-bottom: 2.5rem;
  line-height: 1.75;
  font-weight: 300;
  animation: fadeUp 0.6s 0.2s ease both;
}

.hero-btns {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
  animation: fadeUp 0.6s 0.3s ease both;
}

.btn-primary {
  padding: 13px 28px;
  background: linear-gradient(135deg, var(--blue-400), var(--blue-300));
  color: white;
  border: none;
  border-radius: 8px;
  font-family: 'DM Sans', sans-serif;
  font-size: 0.9rem;
  font-weight: 500;
  cursor: pointer;
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  box-shadow: 0 4px 24px var(--glow-blue);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 36px var(--glow-blue);
}

.btn-secondary {
  padding: 13px 28px;
  background: transparent;
  color: var(--steel-200);
  border: 1px solid var(--border-mid);
  border-radius: 8px;
  font-family: 'DM Sans', sans-serif;
  font-size: 0.9rem;
  font-weight: 400;
  cursor: pointer;
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  gap: 8px;
}

.btn-secondary:hover {
  border-color: var(--blue-300);
  color: var(--blue-200);
  background: rgba(59,130,246,0.06);
}

.hero-stats {
  display: flex;
  gap: 2rem;
  margin-top: 3rem;
  padding-top: 2rem;
  border-top: 1px solid var(--border-subtle);
  animation: fadeUp 0.6s 0.4s ease both;
}

.hero-stat .val {
  font-family: 'Syne', sans-serif;
  font-size: 1.6rem;
  font-weight: 700;
  color: var(--text-primary);
  display: block;
}

.hero-stat .lbl {
  font-size: 0.75rem;
  color: var(--text-muted);
  letter-spacing: 0.06em;
}

.hero-visual {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  animation: fadeIn 1s 0.5s ease both;
}

[data-theme="light"] .network-graphic {
  background: rgba(241, 247, 255, 0.95);
  border-radius: 20px;
  padding: 12px;
  box-shadow: 0 8px 40px rgba(37,99,235,0.12), 0 0 0 1px rgba(37,99,235,0.1);
}

.network-graphic {
  position: relative;
  width: 100%;
  max-width: 440px;
}

@keyframes fadeUp {
  from { opacity:0; transform:translateY(24px); }
  to   { opacity:1; transform:translateY(0); }
}

@keyframes fadeIn {
  from { opacity:0; }
  to   { opacity:1; }
}

/* ════════════════════════════════════════════════════════════════ */
/* SECTION COMMON */
/* ════════════════════════════════════════════════════════════════ */

.section {
  padding: 100px 2rem;
  position: relative;
  z-index: 1;
}

.container {
  max-width: 1200px;
  margin: 0 auto;
}

.section-tag {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--cyan-400);
  margin-bottom: 1rem;
}

.section-tag::before {
  content: '';
  display: block;
  width: 24px;
  height: 1px;
  background: var(--cyan-400);
}

.section-title {
  font-size: clamp(1.8rem, 3.5vw, 2.8rem);
  font-weight: 800;
  margin-bottom: 0.75rem;
  color: var(--text-primary);
}

.section-sub {
  font-size: 1rem;
  color: var(--steel-400);
  font-weight: 300;
  max-width: 560px;
}

.divider {
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--border-mid), transparent);
  margin: 0;
}

/* ════════════════════════════════════════════════════════════════ */
/* FEATURES BAR */
/* ════════════════════════════════════════════════════════════════ */

.features-bar {
  padding: 60px 2rem;
  position: relative;
  z-index: 1;
  border-top: 1px solid var(--border-subtle);
  border-bottom: 1px solid var(--border-subtle);
  background: var(--features-bar-bg);
}

.features-grid {
  max-width: 1200px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 2px;
}

.feature-item {
  padding: 2rem;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  border-right: 1px solid var(--border-subtle);
}

.feature-item:last-child { border-right: none; }

.feature-item:hover {
  background: rgba(37,99,235,0.05);
}

.feature-icon {
  width: 44px;
  height: 44px;
  border-radius: 10px;
  background: rgba(37,99,235,0.1);
  border: 1px solid rgba(37,99,235,0.2);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 18px;
  color: var(--blue-300);
}

[data-theme="light"] .feature-icon {
  background: rgba(37,99,235,0.08);
  border-color: rgba(37,99,235,0.18);
  color: var(--blue-400);
}

.feature-item h4 {
  font-family: 'Syne', sans-serif;
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--text-primary);
}

.feature-item p {
  font-size: 0.8rem;
  color: var(--text-muted);
  line-height: 1.6;
}

/* ════════════════════════════════════════════════════════════════ */
/* PRICING SECTION */
/* ════════════════════════════════════════════════════════════════ */

.pricing-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
  margin-top: 3.5rem;
}

.price-card {
  position: relative;
  background: var(--card-bg);
  border: 1px solid var(--border-subtle);
  border-radius: 16px;
  padding: 2rem;
  overflow: hidden;
}

.price-card::before {
  content: '';
  position: absolute;
  inset: 0;
  border-radius: 16px;
  background: linear-gradient(135deg, rgba(37,99,235,0.06), rgba(6,182,212,0.03));
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.4s;
}

.price-card:hover::before { opacity: 1; }

.price-card:hover {
  border-color: rgba(59,130,246,0.3);
  transform: translateY(-4px);
  box-shadow: 0 20px 60px rgba(2,9,23,0.2), 0 0 40px rgba(37,99,235,0.08);
}

[data-theme="light"] .price-card {
  box-shadow: 0 2px 16px rgba(37,99,235,0.07);
}

[data-theme="light"] .price-card:hover {
  box-shadow: 0 12px 40px rgba(37,99,235,0.14);
}

.price-card.featured {
  background: var(--card-featured-bg);
  border-color: var(--card-featured-border);
  box-shadow: 0 0 60px rgba(var(--card-featured-shadow), 0.15);
}

.price-card.featured:hover {
  border-color: rgba(59,130,246,0.6);
}

.popular-tag {
  position: absolute;
  top: 1.25rem;
  right: 1.25rem;
  background: linear-gradient(90deg, var(--blue-400), var(--cyan-400));
  color: white;
  font-size: 0.65rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  padding: 4px 12px;
  border-radius: 100px;
}

.card-tier {
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--cyan-400);
  margin-bottom: 0.5rem;
}

.card-name {
  font-family: 'Syne', sans-serif;
  font-size: 1.3rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 1.25rem;
}

.speed-display {
  display: flex;
  align-items: baseline;
  gap: 6px;
  margin-bottom: 1.5rem;
  padding-bottom: 1.5rem;
  border-bottom: 1px solid var(--border-subtle);
}

.speed-num {
  font-family: 'Syne', sans-serif;
  font-size: 3.5rem;
  font-weight: 800;
  color: var(--text-primary);
  line-height: 1;
}

.speed-unit {
  font-size: 0.9rem;
  color: var(--steel-400);
  font-weight: 300;
  display: flex;
  flex-direction: column;
  line-height: 1.3;
}

.features-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  margin-bottom: 2rem;
}

.features-list li {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 0.875rem;
  color: var(--steel-300);
  font-weight: 300;
}

.feat-icon {
  width: 20px;
  height: 20px;
  border-radius: 50%;
  background: rgba(6,182,212,0.1);
  border: 1px solid rgba(6,182,212,0.25);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 10px;
  color: var(--cyan-400);
  flex-shrink: 0;
}

.price-row {
  display: flex;
  align-items: baseline;
  gap: 4px;
  margin-bottom: 1.5rem;
}

.price-amount {
  font-family: 'Syne', sans-serif;
  font-size: 1.6rem;
  font-weight: 700;
  color: var(--text-primary);
}

.price-period {
  font-size: 0.8rem;
  color: var(--text-muted);
}

.btn-order-primary {
  width: 100%;
  padding: 12px;
  background: linear-gradient(135deg, var(--blue-400), var(--blue-300));
  color: white;
  border: none;
  border-radius: 8px;
  font-family: 'DM Sans', sans-serif;
  font-size: 0.875rem;
  font-weight: 500;
  cursor: pointer;
  box-shadow: 0 4px 20px var(--glow-blue);
}

.btn-order-primary:hover {
  box-shadow: 0 6px 30px var(--glow-blue);
  transform: translateY(-1px);
}

.btn-order-outline {
  width: 100%;
  padding: 12px;
  background: transparent;
  color: var(--blue-200);
  border: 1px solid var(--border-mid);
  border-radius: 8px;
  font-family: 'DM Sans', sans-serif;
  font-size: 0.875rem;
  font-weight: 400;
  cursor: pointer;
}

.btn-order-outline:hover {
  border-color: var(--blue-300);
  background: rgba(59,130,246,0.07);
  color: var(--blue-100);
}

[data-theme="light"] .btn-order-outline {
  color: var(--blue-400);
}

[data-theme="light"] .btn-order-outline:hover {
  color: var(--blue-300);
}

.enterprise-section {
  background: var(--enterprise-bg);
  border-top: 1px solid var(--border-subtle);
  border-bottom: 1px solid var(--border-subtle);
}

/* ════════════════════════════════════════════════════════════════ */
/* ABOUT SECTION */
/* ════════════════════════════════════════════════════════════════ */

.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 5rem;
  align-items: center;
}

.about-text h2 {
  font-size: clamp(1.8rem, 3vw, 2.4rem);
  margin-bottom: 1.25rem;
}

.about-text p {
  color: var(--steel-400);
  font-weight: 300;
  margin-bottom: 2.5rem;
  line-height: 1.8;
}

.stats-row {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
}

.stat-block {
  padding: 1.5rem;
  background: var(--stat-block-bg);
  border: 1px solid var(--border-subtle);
  border-radius: 12px;
  text-align: center;
}

.stat-block:hover { border-color: var(--border-mid); }

.stat-block .val {
  font-family: 'Syne', sans-serif;
  font-size: 2rem;
  font-weight: 800;
  background: linear-gradient(90deg, var(--blue-300), var(--cyan-300));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  display: block;
}

.stat-block .label {
  font-size: 0.75rem;
  color: var(--text-muted);
  letter-spacing: 0.08em;
  margin-top: 0.3rem;
}

/* ════════════════════════════════════════════════════════════════ */
/* INFRASTRUCTURE CARD */
/* ════════════════════════════════════════════════════════════════ */

.infra-visual { position: relative; }

.infra-card {
  background: var(--infra-card-bg);
  border: 1px solid var(--border-mid);
  border-radius: 16px;
  padding: 2rem;
  position: relative;
  overflow: hidden;
}

[data-theme="light"] .infra-card {
  box-shadow: 0 4px 24px rgba(37,99,235,0.1);
}

.infra-card::before {
  content: '';
  position: absolute;
  top: -40px;
  right: -40px;
  width: 200px;
  height: 200px;
  background: radial-gradient(circle, rgba(6,182,212,0.1), transparent 70%);
  pointer-events: none;
}

.infra-header {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 1.5rem;
  padding-bottom: 1rem;
  border-bottom: 1px solid var(--border-subtle);
}

.infra-dot { width:8px; height:8px; border-radius:50%; }
.dot-green  { background:#22c55e; box-shadow:0 0 8px rgba(34,197,94,0.5); }
.dot-yellow { background:#eab308; }
.dot-red    { background:#ef4444; }

.infra-title {
  font-family: 'DM Sans', sans-serif;
  font-size: 0.75rem;
  color: var(--steel-400);
  flex: 1;
  text-align: center;
}

.infra-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.85rem 0;
  border-bottom: 1px solid var(--infra-row-border);
  font-size: 0.82rem;
}

.infra-row:last-child { border-bottom: none; }

.infra-label { color:var(--steel-400); font-weight:300; }
.infra-val   { color:var(--cyan-300); font-family:'DM Sans',sans-serif; font-weight:500; }

.infra-bar-wrap {
  flex: 1;
  margin: 0 1rem;
  height: 4px;
  background: var(--infra-bar-bg);
  border-radius: 2px;
  overflow: hidden;
}

.infra-bar {
  height: 100%;
  border-radius: 2px;
  background: linear-gradient(90deg, var(--blue-400), var(--cyan-400));
  animation: barLoad 1.5s ease both;
}

@keyframes barLoad {
  from { width: 0 !important; }
}

/* ════════════════════════════════════════════════════════════════ */
/* FOOTER — stays dark in both themes                             */
/* ════════════════════════════════════════════════════════════════ */

footer {
  background: var(--footer-bg);
  border-top: 1px solid rgba(59,130,246,0.12);
  padding: 60px 2rem 0;
  position: relative;
  z-index: 1;
  /* Override light-mode text tokens inside footer */
  --text-primary:   #f0f6ff;
  --text-secondary: #94a3b8;
  --text-muted:     #4f6080;
  --steel-400:      #64748b;
  --border-subtle:  rgba(59,130,246,0.12);
  --border-mid:     rgba(59,130,246,0.22);
  --social-bg:      rgba(37,99,235,0.08);
  --social-bg-hover: rgba(37,99,235,0.18);
}

.footer-grid {
  max-width: 1200px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr;
  gap: 4rem;
  padding-bottom: 3rem;
  border-bottom: 1px solid var(--border-subtle);
}

.footer-brand h3 {
  font-family: 'Syne', sans-serif;
  font-size: 1rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 0.5rem;
  letter-spacing: 0.06em;
}

.footer-brand p {
  font-size: 0.8rem;
  color: var(--text-muted);
  line-height: 1.7;
  margin-bottom: 1.5rem;
  font-weight: 300;
}

.footer-contact-row {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  margin-bottom: 0.75rem;
  font-size: 0.8rem;
  color: var(--steel-400);
}

.footer-contact-row i {
  color: var(--blue-400);
  margin-top: 3px;
  width: 14px;
  flex-shrink: 0;
}

.socials {
  display: flex;
  gap: 0.75rem;
  margin-top: 1.5rem;
}

.social-icon {
  width: 36px;
  height: 36px;
  border-radius: 8px;
  background: var(--social-bg);
  border: 1px solid var(--border-subtle);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--steel-400);
  text-decoration: none;
}

.social-icon svg {
  width: 16px;
  height: 16px;
  fill: currentColor;
}

.social-icon:hover {
  background: var(--social-bg-hover);
  border-color: var(--border-mid);
  color: var(--blue-200);
}

.footer-col h4 {
  font-family: 'Syne', sans-serif;
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--steel-300);
  margin-bottom: 1.25rem;
}

.footer-col ul {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.footer-col a {
  text-decoration: none;
  font-size: 0.82rem;
  color: var(--text-muted);
  font-weight: 300;
  display: flex;
  align-items: center;
  gap: 6px;
}

.footer-col a:hover { color: var(--blue-200); }

.footer-col a::before {
  content: '';
  width: 4px;
  height: 4px;
  border-radius: 50%;
  background: var(--border-mid);
  flex-shrink: 0;
}

.footer-col a:hover::before { background: var(--blue-300); }

.footer-bottom {
  max-width: 1200px;
  margin: 0 auto;
  padding: 1.25rem 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 0.75rem;
  color: var(--text-muted);
}

/* ════════════════════════════════════════════════════════════════ */
/* WHATSAPP FLOAT BUTTON */
/* ════════════════════════════════════════════════════════════════ */

.wa-float {
  position: fixed;
  bottom: 2rem;
  right: 2rem;
  width: 52px;
  height: 52px;
  background: linear-gradient(135deg, #25d366, #128c7e);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 99;
  box-shadow: 0 4px 24px rgba(37,211,102,0.35);
  text-decoration: none;
}

.wa-float:hover {
  transform: scale(1.08);
  box-shadow: 0 6px 32px rgba(37,211,102,0.5);
}

.wa-float svg {
  width: 26px;
  height: 26px;
  fill: white;
}

/* ════════════════════════════════════════════════════════════════ */
/* RESPONSIVE DESIGN */
/* ════════════════════════════════════════════════════════════════ */

@media (max-width: 1024px) {
  .hero-container { grid-template-columns: 1fr; }
  .hero-visual { display: none; }
  .features-grid { grid-template-columns: repeat(2, 1fr); }
  .feature-item:nth-child(2) { border-right: none; }
  .feature-item:nth-child(3) { border-top: 1px solid var(--border-subtle); }
  .about-grid { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 768px) {
  .pricing-grid { grid-template-columns: 1fr; }
  .nav-links { display: none; }
  .features-grid { grid-template-columns: 1fr; }
  .feature-item { border-right: none; border-bottom: 1px solid var(--border-subtle); }
  .footer-grid { grid-template-columns: 1fr; gap: 2rem; }
  .hero-stats { flex-wrap: wrap; gap: 1.5rem; }
  .stats-row { grid-template-columns: 1fr; }
}

@media (max-width: 480px) {
  .nav-inner { height: 60px; }
  .hero { padding: 80px 1.5rem 60px; }
  .section { padding: 60px 1.5rem; }
  .hero h1 { font-size: clamp(1.8rem, 4vw, 2.4rem); }
  .section-title { font-size: clamp(1.5rem, 3vw, 2rem); }
}

/* SVG node circles — core & distribution */
[data-theme="light"] .network-graphic circle[r="32"] {
  fill: rgba(219,234,254,0.95);
  stroke: rgba(37,99,235,0.55);
}
[data-theme="light"] .network-graphic circle[r="20"] {
  fill: rgba(191,219,254,0.4);
  stroke: rgba(37,99,235,0.25);
}
[data-theme="light"] .network-graphic circle[r="22"] {
  fill: rgba(239,246,255,0.98);
  stroke: rgba(37,99,235,0.35);
}

/* Edge node rectangles (ONT) */
[data-theme="light"] .network-graphic rect {
  fill: rgba(255,255,255,0.95);
  stroke: rgba(37,99,235,0.2);
}

/* Semua teks label dalam SVG */
[data-theme="light"] .network-graphic text {
  fill: rgba(30,64,175,0.8);
}

/* Label bawah "FIBER OPTIC TOPOLOGY" */
[data-theme="light"] .network-graphic text:last-of-type {
  fill: rgba(100,116,139,0.5);
}