/* ===========================
   ThreatLens — Main Stylesheet
   =========================== */

/* Reset dasar — hapus margin dan padding bawaan browser */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

/* Variabel warna — ubah di sini untuk ganti tema */
:root {
  --bg: #080b10;                    /* warna background utama */
  --bg2: #0d1117;                   /* warna background kedua */
  --surface: #111820;               /* warna card/kotak */
  --border: rgba(255,255,255,0.07); /* warna garis border */
  --red: #ff2d2d;                   /* warna merah utama */
  --red-dim: rgba(255,45,45,0.15);  /* merah transparan */
  --red-glow: rgba(255,45,45,0.35); /* efek cahaya merah */
  --orange: #ff7c2d;                /* warna oranye */
  --cyan: #00e5ff;                  /* warna biru cyan */
  --cyan-dim: rgba(0,229,255,0.1);  /* cyan transparan */
  --text: #e8eaf0;                  /* warna teks utama */
  --muted: #5a6070;                 /* warna teks redup */
  --mono: 'Share Tech Mono', monospace; /* font monospace/terminal */
  --sans: 'Syne', sans-serif;           /* font utama */
}

/* Scroll halus saat klik link navigasi */
html {
  scroll-behavior: smooth;
}

/* Pengaturan dasar body */
body {
  background: var(--bg);
  color: var(--text);
  font-family: var(--sans);
  overflow-x: hidden; /* sembunyikan scroll horizontal */
}

/* Efek noise/grain di background */
body::before {
  content: '';
  position: fixed;
  inset: 0;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noise'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noise)' opacity='0.04'/%3E%3C/svg%3E");
  pointer-events: none;
  z-index: 0;
  opacity: 0.4;
}

/* ========== NAVBAR ========== */
nav {
  position: fixed;        /* navbar tetap di atas saat scroll */
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 20px 64px;
  background: rgba(8,11,16,0.85);
  backdrop-filter: blur(12px); /* efek blur di belakang navbar */
  border-bottom: 1px solid var(--border);
}

.nav-logo {
  font-family: var(--mono);
  font-size: 21px;         /* ← ukuran logo */
  color: var(--red);
  letter-spacing: 1px;
  text-decoration: none;
  display: flex;
  align-items: center;
  gap: 8px;
}

.nav-logo span {
  color: var(--text); /* bagian "Lens" warna putih */
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 40px;
  list-style: none;
}

.nav-links a {
  color: var(--muted);
  text-decoration: none;
  font-size: 14px;         /* ← ukuran teks link navbar */
  font-weight: 600;
  letter-spacing: 1px;
  text-transform: uppercase;
  transition: color 0.2s;
}

.nav-links a:hover {
  color: var(--text);
}

.nav-cta {
  background: var(--red) !important;
  color: #fff !important;
  padding: 9px 22px;
  border-radius: 4px;
  font-weight: 700 !important;
  transition: background 0.2s, box-shadow 0.2s !important;
}

.nav-cta:hover {
  background: #e02020 !important;
  box-shadow: 0 0 20px var(--red-glow) !important;
}

/* ========== HERO ========== */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  padding: 128px 32px 64px;
  text-align: center;
  overflow: hidden;
}

/* Grid garis di background hero */
.hero-grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(255,45,45,0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,45,45,0.04) 1px, transparent 1px);
  background-size: 60px 60px;
  animation: gridMove 20s linear infinite;
}

@keyframes gridMove {
  0%   { transform: translateY(0); }
  100% { transform: translateY(60px); }
}

/* Efek cahaya di tengah hero */
.hero-glow {
  position: absolute;
  width: 700px;
  height: 700px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(255,45,45,0.08) 0%, transparent 70%);
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  pointer-events: none;
}

.hero-content {
  position: relative;
  z-index: 2;
  max-width: 860px;
}

/* Badge LIVE di atas judul */
.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: var(--red-dim);
  border: 1px solid rgba(255,45,45,0.3);
  color: var(--red);
  font-family: var(--mono);
  font-size: 12px;         /* ← ukuran teks badge */
  padding: 6px 16px;
  border-radius: 2px;
  letter-spacing: 2px;
  margin-bottom: 32px;
  animation: fadeUp 0.6s ease both;
}

.hero-badge::before {
  content: '';
  width: 6px;
  height: 6px;
  background: var(--red);
  border-radius: 50%;
  animation: pulse 1.5s ease infinite;
}

@keyframes pulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50%       { opacity: 0.5; transform: scale(0.7); }
}

/* ===================================
   JUDUL UTAMA HERO
   Ubah font-size di sini untuk
   memperbesar atau memperkecil judul
   =================================== */
.hero h1 {
  font-size: 40px;         /* ← UBAH DI SINI */
  font-weight: 800;
  line-height: 1.05;
  letter-spacing: -1px;
  margin-bottom: 24px;
  animation: fadeUp 0.6s ease 0.1s both;
}

.hero h1 .accent  { color: var(--red); }
.hero h1 .accent2 { color: var(--cyan); }

/* Paragraf deskripsi */
.hero-sub {
  font-size: 18px;         /* ← ukuran teks deskripsi */
  color: var(--muted);
  max-width: 560px;
  margin: 0 auto 40px;
  line-height: 1.7;
  font-weight: 400;
  animation: fadeUp 0.6s ease 0.2s both;
}

.hero-actions {
  display: flex;
  gap: 16px;
  justify-content: center;
  flex-wrap: wrap;
  animation: fadeUp 0.6s ease 0.3s both;
}

/* ========== TOMBOL ========== */
.btn-primary {
  background: var(--red);
  color: #fff;
  padding: 14px 32px;
  border-radius: 4px;
  font-family: var(--sans);
  font-weight: 700;
  font-size: 15px;
  text-decoration: none;
  border: none;
  cursor: pointer;
  transition: background 0.2s, box-shadow 0.2s, transform 0.15s;
}

.btn-primary:hover {
  background: #e02020;
  box-shadow: 0 0 30px var(--red-glow);
  transform: translateY(-2px);
}

.btn-secondary {
  background: transparent;
  color: var(--text);
  padding: 14px 32px;
  border-radius: 4px;
  font-family: var(--sans);
  font-weight: 600;
  font-size: 15px;
  text-decoration: none;
  border: 1px solid var(--border);
  cursor: pointer;
  transition: border-color 0.2s, background 0.2s, transform 0.15s;
}

.btn-secondary:hover {
  border-color: rgba(255,255,255,0.2);
  background: rgba(255,255,255,0.04);
  transform: translateY(-2px);
}

/* ========== TERMINAL ========== */
.hero-terminal {
  margin: 64px auto 0;
  max-width: 600px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 8px;
  overflow: hidden;
  text-align: left;
  animation: fadeUp 0.7s ease 0.4s both;
  box-shadow: 0 30px 80px rgba(0,0,0,0.5), 0 0 0 1px rgba(255,45,45,0.1);
}

.terminal-bar {
  background: #1a2030;
  padding: 11px 16px;
  display: flex;
  align-items: center;
  gap: 8px;
  border-bottom: 1px solid var(--border);
}

.terminal-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
}

.terminal-dot:nth-child(1) { background: #ff5f57; }
.terminal-dot:nth-child(2) { background: #febc2e; }
.terminal-dot:nth-child(3) { background: #28c840; }

.terminal-title {
  font-family: var(--mono);
  font-size: 12px;
  color: var(--muted);
  margin-left: 8px;
}

.terminal-body {
  padding: 20px 24px;
  font-family: var(--mono);
  font-size: 13px;         /* ← ukuran teks terminal */
  line-height: 2;
}

.t-line    { display: flex; gap: 12px; }
.t-prompt  { color: var(--red); }
.t-cmd     { color: var(--cyan); }
.t-output  { color: #7a8898; padding-left: 20px; }
.t-success { color: #28c840; padding-left: 20px; }
.t-warn    { color: var(--orange); padding-left: 20px; }

.t-cursor {
  display: inline-block;
  width: 8px;
  height: 14px;
  background: var(--red);
  animation: blink 1s step-end infinite;
  vertical-align: middle;
  margin-left: 2px;
}

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

/* ========== STATISTIK ========== */
.stats {
  padding: 80px 64px;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1px;
  background: var(--border);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}

.stat-item {
  background: var(--bg);
  padding: 40px 32px;
  text-align: center;
}

.stat-num {
  font-family: var(--mono);
  font-size: 45px;         /* ← ukuran angka statistik */
  font-weight: 400;
  color: var(--red);
  display: block;
  margin-bottom: 6px;
}

.stat-label {
  font-size: 13px;
  color: var(--muted);
  text-transform: uppercase;
  letter-spacing: 2px;
  font-weight: 600;
}

/* ========== SECTION UMUM ========== */
.section {
  padding: 112px 64px;
  max-width: 1200px;
  margin: 0 auto;
}

.section-tag {
  font-family: var(--mono);
  font-size: 12px;
  color: var(--red);
  letter-spacing: 2px;
  text-transform: uppercase;
  margin-bottom: 16px;
}

.section-title {
  font-size: 48px;         /* ← ukuran judul section */
  font-weight: 800;
  letter-spacing: -1px;
  margin-bottom: 16px;
}

.section-sub {
  color: var(--muted);
  font-size: 16px;
  max-width: 500px;
  line-height: 1.7;
  margin-bottom: 64px;
}

/* ========== CARA KERJA ========== */
.steps {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.step-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 32px;
  position: relative;
  overflow: hidden;
  transition: border-color 0.3s, transform 0.3s;
}

.step-card:hover {
  border-color: rgba(255,45,45,0.3);
  transform: translateY(-4px);
}

.step-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--red), transparent);
  opacity: 0;
  transition: opacity 0.3s;
}

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

.step-num {
  font-family: var(--mono);
  font-size: 12px;
  color: var(--red);
  letter-spacing: 2px;
  margin-bottom: 16px;
}

.step-icon {
  font-size: 32px;
  margin-bottom: 16px;
}

.step-card h3 {
  font-size: 18px;
  font-weight: 700;
  margin-bottom: 11px;
}

.step-card p {
  font-size: 14px;
  color: var(--muted);
  line-height: 1.65;
}

/* ========== FITUR ========== */
.features-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
}

.feature-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 32px;
  display: flex;
  gap: 24px;
  align-items: flex-start;
  transition: border-color 0.3s;
}

.feature-card:hover {
  border-color: rgba(0,229,255,0.2);
}

.feature-icon {
  width: 48px;
  height: 48px;
  background: var(--cyan-dim);
  border: 1px solid rgba(0,229,255,0.2);
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 22px;
  flex-shrink: 0;
}

.feature-card h3 {
  font-size: 16px;
  font-weight: 700;
  margin-bottom: 8px;
}

.feature-card p {
  font-size: 14px;
  color: var(--muted);
  line-height: 1.6;
}

/* ========== FEED ANCAMAN ========== */
.feed-preview {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 8px;
  overflow: hidden;
}

.feed-header {
  padding: 16px 24px;
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.feed-title {
  font-family: var(--mono);
  font-size: 13px;
  color: var(--muted);
  display: flex;
  align-items: center;
  gap: 8px;
}

.live-dot {
  width: 6px;
  height: 6px;
  background: var(--red);
  border-radius: 50%;
  animation: pulse 1.5s ease infinite;
}

.feed-item {
  padding: 16px 24px;
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  gap: 16px;
  transition: background 0.2s;
}

.feed-item:hover { background: rgba(255,255,255,0.02); }
.feed-item:last-child { border-bottom: none; }

.threat-badge {
  font-family: var(--mono);
  font-size: 10px;
  padding: 4px 10px;
  border-radius: 3px;
  white-space: nowrap;
}

.badge-danger { background: rgba(255,45,45,0.15);  color: var(--red);    border: 1px solid rgba(255,45,45,0.3); }
.badge-warn   { background: rgba(255,124,45,0.15); color: var(--orange); border: 1px solid rgba(255,124,45,0.3); }
.badge-safe   { background: rgba(40,200,64,0.15);  color: #28c840;       border: 1px solid rgba(40,200,64,0.3); }

.feed-indicator {
  font-family: var(--mono);
  font-size: 13px;
  color: var(--text);
  flex: 1;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.feed-votes {
  font-family: var(--mono);
  font-size: 12px;
  color: var(--muted);
  white-space: nowrap;
}

.vote-bar {
  width: 80px;
  height: 4px;
  background: rgba(255,255,255,0.08);
  border-radius: 2px;
  overflow: hidden;
}

.vote-fill {
  height: 100%;
  background: var(--red);
  border-radius: 2px;
}

/* ========== CTA ========== */
.cta-section {
  margin: 0 64px 112px;
  background: linear-gradient(135deg, rgba(255,45,45,0.08), rgba(0,229,255,0.04));
  border: 1px solid rgba(255,45,45,0.2);
  border-radius: 12px;
  padding: 80px 64px;
  text-align: center;
  position: relative;
  overflow: hidden;
}

.cta-section::before {
  content: '';
  position: absolute;
  width: 400px;
  height: 400px;
  background: radial-gradient(circle, rgba(255,45,45,0.1), transparent 70%);
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  pointer-events: none;
}

.cta-section h2 {
  font-size: 48px;         /* ← ukuran judul CTA */
  font-weight: 800;
  margin-bottom: 16px;
  position: relative;
}

.cta-section p {
  color: var(--muted);
  margin-bottom: 40px;
  font-size: 16px;
  position: relative;
}

/* ========== FOOTER ========== */
footer {
  border-top: 1px solid var(--border);
  padding: 40px 64px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.footer-logo {
  font-family: var(--mono);
  color: var(--muted);
  font-size: 14px;
}

.footer-logo span { color: var(--red); }

.footer-text {
  font-size: 13px;
  color: var(--muted);
}

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

/* ========== RESPONSIVE (HP/Tablet) ========== */
@media (max-width: 900px) {
  nav            { padding: 16px 24px; }
  .nav-links     { display: none; }
  .stats         { grid-template-columns: repeat(2, 1fr); }
  .steps         { grid-template-columns: 1fr; }
  .features-grid { grid-template-columns: 1fr; }
  .section       { padding: 64px 24px; }
  .cta-section   { margin: 0 24px 64px; padding: 48px 24px; }
  footer         { flex-direction: column; gap: 16px; text-align: center; padding: 32px 24px; }
}