/* ============================================
   PEMBELAJARAN PANCASILA - INDEX.CSS
   Tema: Colorful Nasionalis Indonesia 🇮🇩
   ============================================ */

@import url('https://fonts.googleapis.com/css2?family=Cinzel:wght@400;700;900&family=Lora:ital,wght@0,400;0,600;1,400&family=Nunito:wght@400;600;700;800;900&display=swap');

/* ---- CSS VARIABLES ---- */
:root {
  --merah:        #D62828;
  --merah-muda:   #FF6B6B;
  --merah-gelap:  #A01010;
  --putih:        #FFFFFF;
  --emas:         #E8A020;
  --emas-terang:  #FFD060;
  --kuning:       #FFEC3E;
  --hijau:        #2D9E5F;
  --hijau-muda:   #4CD68A;
  --biru:         #1565C0;
  --biru-muda:    #42A5F5;
  --ungu:         #7B2FBE;

  --bg-hero:      #FFF5E6;
  --bg-sila:      #FFF8F0;
  --bg-feature:   #EEF6FF;

  --teks-gelap:   #1A0A00;
  --teks-sedang:  #5A3A1A;
  --teks-muted:   #8A6A50;

  --radius:    16px;
  --radius-lg: 24px;
  --transition: 0.35s cubic-bezier(0.4,0,0.2,1);

  --shadow-merah: 0 8px 40px rgba(214,40,40,0.25);
  --shadow-emas:  0 8px 40px rgba(232,160,32,0.3);
}

/* ---- RESET ---- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }

body {
  font-family: 'Nunito', sans-serif;
  background: var(--bg-hero);
  color: var(--teks-gelap);
  overflow-x: hidden;
}

/* ---- PARTICLES ---- */
.particles {
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 0;
  overflow: hidden;
}

.particle {
  position: absolute;
  animation: floatUp linear infinite;
}

@keyframes floatUp {
  0%   { transform: translateY(110vh) rotate(0deg); opacity: 0; }
  10%  { opacity: 1; }
  90%  { opacity: 0.8; }
  100% { transform: translateY(-10vh) rotate(360deg); opacity: 0; }
}

/* ---- BATIK OVERLAY ---- */
.batik-overlay {
  position: fixed;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  background:
    radial-gradient(ellipse 60% 50% at 10% 20%, rgba(214,40,40,0.07) 0%, transparent 70%),
    radial-gradient(ellipse 50% 50% at 90% 10%, rgba(255,236,62,0.09) 0%, transparent 70%),
    radial-gradient(ellipse 55% 55% at 80% 85%, rgba(45,158,95,0.07) 0%, transparent 70%),
    radial-gradient(ellipse 60% 40% at 20% 90%, rgba(21,101,192,0.06) 0%, transparent 70%);
}

/* ---- HEADER ---- */
header {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  padding: 14px 40px;
  background: rgba(255,252,246,0.88);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 2px solid rgba(214,40,40,0.12);
  transition: var(--transition);
  box-shadow: 0 2px 20px rgba(214,40,40,0.07);
}

header.scrolled {
  background: rgba(255,255,255,0.97);
  padding: 10px 40px;
  border-bottom-color: rgba(214,40,40,0.25);
  box-shadow: 0 4px 30px rgba(214,40,40,0.1);
}

.header-inner {
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.logo-wrap { display: flex; align-items: center; gap: 12px; }

.garuda-icon {
  font-size: 2rem;
  animation: garudaFloat 4s ease-in-out infinite;
}

@keyframes garudaFloat {
  0%, 100% { transform: translateY(0); }
  50%       { transform: translateY(-4px); }
}

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

.logo-main {
  font-family: 'Cinzel', serif;
  font-weight: 900;
  font-size: 1.3rem;
  color: var(--merah);
  line-height: 1.1;
  letter-spacing: 2px;
}

.logo-sub {
  font-size: 0.62rem;
  color: var(--teks-muted);
  letter-spacing: 1px;
  text-transform: uppercase;
}

nav { display: flex; gap: 6px; }

.nav-link {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 8px 16px;
  border-radius: 40px;
  text-decoration: none;
  color: var(--teks-sedang);
  font-size: 0.88rem;
  font-weight: 700;
  transition: var(--transition);
  border: 1.5px solid transparent;
}

.nav-link:hover {
  background: rgba(214,40,40,0.08);
  border-color: rgba(214,40,40,0.3);
  color: var(--merah);
  transform: translateY(-1px);
}

.nav-icon { font-size: 1rem; }

/* ---- HERO ---- */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding: 120px 60px 80px;
  overflow: hidden;
  z-index: 1;
  background: linear-gradient(135deg,
    #FFF5E6 0%,
    #FFECD2 35%,
    #FFE0CF 65%,
    #FFF5E6 100%
  );
}

.hero::before {
  content: '';
  position: absolute;
  top: -120px; right: -120px;
  width: 600px; height: 600px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(214,40,40,0.13) 0%, transparent 65%);
  animation: pulseBig 7s ease-in-out infinite;
  z-index: 0;
}

.hero::after {
  content: '';
  position: absolute;
  bottom: -80px; left: -80px;
  width: 450px; height: 450px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(232,160,32,0.15) 0%, transparent 65%);
  animation: pulseBig 9s ease-in-out infinite reverse;
  z-index: 0;
}

@keyframes pulseBig {
  0%, 100% { transform: scale(1);    opacity: 1; }
  50%       { transform: scale(1.12); opacity: 0.7; }
}

.hero-bg { display: none; }

.hero-content {
  max-width: 620px;
  position: relative;
  z-index: 2;
  animation: heroSlideIn 0.9s ease forwards;
}

@keyframes heroSlideIn {
  from { opacity: 0; transform: translateX(-40px); }
  to   { opacity: 1; transform: translateX(0); }
}

.hero-badge {
  display: inline-block;
  padding: 6px 18px;
  background: linear-gradient(90deg, rgba(214,40,40,0.1), rgba(232,160,32,0.1));
  border: 1.5px solid rgba(214,40,40,0.35);
  border-radius: 40px;
  font-size: 0.76rem;
  font-weight: 800;
  letter-spacing: 1px;
  text-transform: uppercase;
  color: var(--merah);
  margin-bottom: 24px;
}

.hero-title {
  display: flex;
  flex-direction: column;
  margin-bottom: 20px;
}

.hero-title-top {
  font-family: 'Lora', serif;
  font-style: italic;
  font-size: 1.6rem;
  color: var(--teks-sedang);
  line-height: 1.2;
}

.hero-title-main {
  font-family: 'Cinzel', serif;
  font-weight: 900;
  font-size: clamp(3.5rem, 7vw, 5.5rem);
  line-height: 0.95;
  background: linear-gradient(135deg, var(--merah) 0%, #FF8C00 45%, var(--merah-gelap) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  letter-spacing: 4px;
  margin: 8px 0;
  animation: shimmerText 4s ease-in-out infinite;
}

@keyframes shimmerText {
  0%, 100% { filter: brightness(1); }
  50%       { filter: brightness(1.18); }
}

.hero-title-bottom {
  font-size: 1.1rem;
  color: var(--teks-sedang);
  font-weight: 700;
  letter-spacing: 0.5px;
}

.hero-desc {
  font-size: 1rem;
  line-height: 1.8;
  color: var(--teks-sedang);
  margin-bottom: 36px;
  max-width: 500px;
}

.hero-btns {
  display: flex;
  gap: 14px;
  margin-bottom: 48px;
  flex-wrap: wrap;
}

.btn-primary {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 32px;
  background: linear-gradient(135deg, var(--merah) 0%, #B01010 100%);
  color: #fff;
  font-weight: 800;
  font-size: 0.95rem;
  text-decoration: none;
  border-radius: 40px;
  transition: var(--transition);
  box-shadow: 0 6px 28px rgba(214,40,40,0.4);
}

.btn-primary:hover {
  transform: translateY(-3px);
  box-shadow: 0 12px 40px rgba(214,40,40,0.55);
}

.btn-secondary {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 13px 30px;
  background: #fff;
  color: var(--merah);
  font-weight: 800;
  font-size: 0.95rem;
  text-decoration: none;
  border-radius: 40px;
  border: 2px solid rgba(214,40,40,0.35);
  transition: var(--transition);
  box-shadow: 0 4px 16px rgba(214,40,40,0.1);
}

.btn-secondary:hover {
  background: rgba(214,40,40,0.05);
  border-color: var(--merah);
  transform: translateY(-3px);
}

.hero-stats {
  display: flex;
  align-items: center;
  gap: 28px;
}

.stat {
  display: flex;
  flex-direction: column;
  align-items: center;
}

.stat strong {
  font-family: 'Cinzel', serif;
  font-size: 2.2rem;
  color: var(--merah);
  line-height: 1;
}

.stat span {
  font-size: 0.7rem;
  color: var(--teks-muted);
  text-transform: uppercase;
  letter-spacing: 1px;
  margin-top: 4px;
  font-weight: 700;
}

.stat-divider {
  width: 1px;
  height: 40px;
  background: rgba(214,40,40,0.2);
}

/* HERO VISUAL */
.hero-visual {
  flex: 1;
  display: flex;
  justify-content: center;
  align-items: center;
  position: relative;
  animation: heroVisualIn 1.2s ease forwards;
  z-index: 2;
}

@keyframes heroVisualIn {
  from { opacity: 0; transform: translateX(50px) scale(0.9); }
  to   { opacity: 1; transform: translateX(0) scale(1); }
}

.garuda-frame {
  position: relative;
  width: 400px;
  height: 400px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.garuda-frame::before {
  content: '';
  position: absolute;
  inset: -20px;
  border-radius: 50%;
  border: 2.5px solid rgba(214,40,40,0.2);
  border-top-color: var(--merah);
  animation: rotateSlow 10s linear infinite;
}

.garuda-frame::after {
  content: '';
  position: absolute;
  inset: -48px;
  border-radius: 50%;
  border: 1.5px dashed rgba(232,160,32,0.4);
  animation: rotateSlow 22s linear infinite reverse;
}

@keyframes rotateSlow {
  from { transform: rotate(0deg); }
  to   { transform: rotate(360deg); }
}

.garuda-glow {
  position: absolute;
  inset: 8%;
  border-radius: 50%;
  background: radial-gradient(circle,
    rgba(255,220,100,0.55) 0%,
    rgba(255,140,0,0.25) 45%,
    transparent 70%
  );
  animation: pulseBig 5s ease-in-out infinite;
  z-index: 0;
}

.garuda-img {
  width: 300px;
  height: 300px;
  object-fit: contain;
  filter:
    drop-shadow(0 0 30px rgba(232,160,32,0.6))
    drop-shadow(0 0 60px rgba(214,40,40,0.25));
  animation: garudaFloat 5s ease-in-out infinite;
  position: relative;
  z-index: 2;
}

.garuda-fallback {
  font-size: 10rem;
  display: flex;
  align-items: center;
  justify-content: center;
}

/* ---- SILA SECTION ---- */
.sila-section {
  position: relative;
  z-index: 1;
  padding: 100px 40px 110px;
  background: linear-gradient(180deg, #FFF8F0 0%, #FFF0E0 100%);
}

.sila-section::before {
  content: '';
  position: absolute;
  top: -2px; left: 0; right: 0;
  height: 55px;
  background: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 1440 55'%3E%3Cpath fill='%23FFF5E6' d='M0,30 C360,55 1080,5 1440,30 L1440,0 L0,0 Z'/%3E%3C/svg%3E") no-repeat center / cover;
}

.section-header {
  text-align: center;
  margin-bottom: 60px;
}

.section-tag {
  display: inline-block;
  padding: 5px 18px;
  border-radius: 40px;
  font-size: 0.72rem;
  font-weight: 800;
  letter-spacing: 2px;
  text-transform: uppercase;
  background: rgba(214,40,40,0.1);
  border: 1.5px solid rgba(214,40,40,0.3);
  color: var(--merah);
  margin-bottom: 14px;
}

.section-tag.light {
  background: rgba(21,101,192,0.1);
  border-color: rgba(21,101,192,0.3);
  color: var(--biru);
}

.section-header h2 {
  font-family: 'Cinzel', serif;
  font-size: clamp(1.8rem, 3.5vw, 2.8rem);
  font-weight: 700;
  color: var(--teks-gelap);
  margin-bottom: 12px;
}

.section-header p {
  font-size: 1rem;
  color: var(--teks-muted);
  max-width: 540px;
  margin: 0 auto;
  line-height: 1.7;
}

/* SILA GRID */
.sila-grid {
  max-width: 1200px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 16px;
}

.sila-card {
  border-radius: var(--radius-lg);
  padding: 32px 18px;
  text-align: center;
  cursor: pointer;
  transition: var(--transition);
  position: relative;
  overflow: hidden;
  border: 2px solid transparent;
  color: var(--putih);
}

.sila-1 { background: linear-gradient(145deg, #F0A020 0%, #C06000 100%); box-shadow: 0 6px 28px rgba(240,160,32,0.4); }
.sila-2 { background: linear-gradient(145deg, #E03030 0%, #900000 100%); box-shadow: 0 6px 28px rgba(224,48,48,0.4); }
.sila-3 { background: linear-gradient(145deg, #28A85A 0%, #145E32 100%); box-shadow: 0 6px 28px rgba(40,168,90,0.4); }
.sila-4 { background: linear-gradient(145deg, #1E7BD8 0%, #0A3E80 100%); box-shadow: 0 6px 28px rgba(30,123,216,0.4); }
.sila-5 { background: linear-gradient(145deg, #8E38D8 0%, #500E90 100%); box-shadow: 0 6px 28px rgba(142,56,216,0.4); }

.sila-card::after {
  content: '';
  position: absolute;
  top: -50%; left: -50%;
  width: 200%; height: 200%;
  background: radial-gradient(circle at 65% 25%, rgba(255,255,255,0.18) 0%, transparent 55%);
  pointer-events: none;
}

.sila-card:hover, .sila-card.active {
  transform: translateY(-10px) scale(1.03);
  border-color: rgba(255,255,255,0.55);
  filter: brightness(1.08);
}

.sila-1:hover, .sila-1.active { box-shadow: 0 18px 55px rgba(240,160,32,0.55); }
.sila-2:hover, .sila-2.active { box-shadow: 0 18px 55px rgba(224,48,48,0.55); }
.sila-3:hover, .sila-3.active { box-shadow: 0 18px 55px rgba(40,168,90,0.55); }
.sila-4:hover, .sila-4.active { box-shadow: 0 18px 55px rgba(30,123,216,0.55); }
.sila-5:hover, .sila-5.active { box-shadow: 0 18px 55px rgba(142,56,216,0.55); }

.sila-number {
  position: absolute;
  top: 12px; right: 14px;
  font-family: 'Cinzel', serif;
  font-size: 3rem;
  font-weight: 900;
  color: rgba(255,255,255,0.12);
  line-height: 1;
  transition: var(--transition);
}

.sila-card:hover .sila-number,
.sila-card.active .sila-number {
  color: rgba(255,255,255,0.28);
}

.sila-icon-wrap { margin-bottom: 14px; }

.sila-symbol {
  width: 65px;
  height: 65px;
  object-fit: contain;
  filter: brightness(10);
  transition: var(--transition);
}

.sila-card:hover .sila-symbol {
  transform: scale(1.12) rotate(-3deg);
}

.sila-emoji-fb { font-size: 3rem; display: block; }

.sila-card h3 {
  font-family: 'Lora', serif;
  font-size: 0.88rem;
  font-weight: 600;
  color: rgba(255,255,255,0.95);
  line-height: 1.4;
  margin-bottom: 10px;
}

.sila-short {
  font-size: 0.69rem;
  color: rgba(255,255,255,0.8);
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  background: rgba(255,255,255,0.18);
  padding: 3px 10px;
  border-radius: 20px;
  display: inline-block;
}

.sila-detail {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.5s ease, opacity 0.4s ease, margin 0.4s ease;
  opacity: 0;
  margin-top: 0;
}

.sila-card.active .sila-detail {
  max-height: 200px;
  opacity: 1;
  margin-top: 16px;
}

.sila-detail p {
  font-size: 0.82rem;
  line-height: 1.65;
  color: rgba(255,255,255,0.88);
  margin-bottom: 12px;
}

.sila-learn {
  font-size: 0.78rem;
  font-weight: 800;
  color: rgba(255,255,255,0.95);
  cursor: pointer;
  background: rgba(255,255,255,0.22);
  padding: 4px 12px;
  border-radius: 20px;
  display: inline-block;
}

/* ---- FEATURES SECTION ---- */
.features-section {
  position: relative;
  z-index: 1;
  padding: 100px 40px 110px;
  background: linear-gradient(180deg, #EDF5FF 0%, #E4EEFF 100%);
}

.features-section::before {
  content: '';
  position: absolute;
  top: -2px; left: 0; right: 0;
  height: 55px;
  background: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 1440 55'%3E%3Cpath fill='%23FFF0E0' d='M0,5 C480,55 960,0 1440,55 L1440,0 L0,0 Z'/%3E%3C/svg%3E") no-repeat center / cover;
}

.features-grid {
  max-width: 1200px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}

.feature-card {
  background: #fff;
  border-radius: var(--radius-lg);
  overflow: hidden;
  text-decoration: none;
  color: var(--teks-gelap);
  transition: var(--transition);
  display: flex;
  flex-direction: column;
  box-shadow: 0 4px 20px rgba(21,101,192,0.08);
  border: 2px solid transparent;
}

.feature-card:nth-child(1) { border-top: 4px solid var(--merah); }
.feature-card:nth-child(2) { border-top: 4px solid var(--emas); }
.feature-card:nth-child(3) { border-top: 4px solid var(--hijau); }
.feature-card:nth-child(4) { border-top: 4px solid var(--biru); }

.feature-card:hover {
  transform: translateY(-8px);
  box-shadow: 0 16px 50px rgba(21,101,192,0.15);
}

.feature-card:nth-child(1):hover { border-color: var(--merah); }
.feature-card:nth-child(2):hover { border-color: var(--emas); }
.feature-card:nth-child(3):hover { border-color: var(--hijau); }
.feature-card:nth-child(4):hover { border-color: var(--biru); }

.feature-img-wrap {
  position: relative;
  height: 180px;
  overflow: hidden;
}

.feature-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s ease;
}

.feature-card:hover .feature-img {
  transform: scale(1.07);
}

.feature-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, transparent 50%, rgba(255,255,255,0.55) 100%);
}

.feature-body {
  padding: 24px 22px;
  flex: 1;
  display: flex;
  flex-direction: column;
  background: #fff;
}

.feature-tag {
  font-size: 0.72rem;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 1.5px;
  margin-bottom: 10px;
}

.feature-card:nth-child(1) .feature-tag { color: var(--merah); }
.feature-card:nth-child(2) .feature-tag { color: var(--emas); }
.feature-card:nth-child(3) .feature-tag { color: var(--hijau); }
.feature-card:nth-child(4) .feature-tag { color: var(--biru); }

.feature-body h3 {
  font-family: 'Cinzel', serif;
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--teks-gelap);
  margin-bottom: 10px;
}

.feature-body p {
  font-size: 0.85rem;
  line-height: 1.65;
  color: var(--teks-muted);
  flex: 1;
  margin-bottom: 18px;
}

.feature-cta {
  font-size: 0.82rem;
  font-weight: 800;
  transition: var(--transition);
}

.feature-card:nth-child(1) .feature-cta { color: var(--merah); }
.feature-card:nth-child(2) .feature-cta { color: var(--emas); }
.feature-card:nth-child(3) .feature-cta { color: var(--hijau); }
.feature-card:nth-child(4) .feature-cta { color: var(--biru); }

/* ---- QUOTE SECTION ---- */
.quote-section {
  position: relative;
  z-index: 1;
  padding: 90px 40px;
  background: linear-gradient(135deg, #FFF0F0 0%, #FFFBE8 50%, #F0FFF5 100%);
  border-top: 3px solid transparent;
  border-image: linear-gradient(90deg, var(--merah), var(--emas), var(--hijau), var(--biru)) 1;
}

.quote-inner {
  max-width: 820px;
  margin: 0 auto;
  text-align: center;
}

.quote-icon {
  font-size: 5rem;
  color: rgba(214,40,40,0.18);
  line-height: 1;
  margin-bottom: -20px;
  font-family: Georgia, serif;
}

blockquote {
  font-family: 'Lora', serif;
  font-style: italic;
  font-size: clamp(1rem, 2vw, 1.3rem);
  line-height: 1.85;
  color: var(--teks-sedang);
  margin-bottom: 24px;
}

cite {
  font-size: 0.92rem;
  font-weight: 800;
  color: var(--merah);
  letter-spacing: 1px;
}

.quote-flag {
  display: flex;
  justify-content: center;
  margin: 28px auto 0;
  height: 5px;
  width: 80px;
  border-radius: 4px;
  overflow: hidden;
}

.flag-red   { flex: 1; background: var(--merah); }
.flag-white { flex: 1; background: #ddd; }

/* ---- FOOTER ---- */
footer {
  position: relative;
  z-index: 1;
  padding: 56px 40px 40px;
  background: linear-gradient(135deg, #1A0A00 0%, #2D0A0A 50%, #0A1A2D 100%);
  text-align: center;
}

footer::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 4px;
  background: linear-gradient(90deg, var(--merah), var(--emas), var(--hijau), var(--biru), var(--ungu), var(--merah));
}

.footer-inner {
  max-width: 800px;
  margin: 0 auto;
}

.footer-logo {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  margin-bottom: 12px;
  font-family: 'Cinzel', serif;
  font-size: 1.2rem;
  font-weight: 700;
  letter-spacing: 2px;
  background: linear-gradient(90deg, var(--emas-terang), #fff, var(--emas));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.footer-garuda {
  font-size: 1.8rem;
  -webkit-text-fill-color: initial;
}

.footer-motto {
  font-family: 'Lora', serif;
  font-style: italic;
  font-size: 0.95rem;
  color: rgba(255,255,255,0.5);
  margin-bottom: 12px;
}

.footer-copy {
  font-size: 0.78rem;
  color: rgba(255,255,255,0.3);
  letter-spacing: 0.5px;
}

/* ---- SCROLL REVEAL ---- */
.reveal {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}

.reveal.revealed {
  opacity: 1;
  transform: translateY(0);
}

.sila-card.reveal:nth-child(1) { transition-delay: 0.05s; }
.sila-card.reveal:nth-child(2) { transition-delay: 0.15s; }
.sila-card.reveal:nth-child(3) { transition-delay: 0.25s; }
.sila-card.reveal:nth-child(4) { transition-delay: 0.35s; }
.sila-card.reveal:nth-child(5) { transition-delay: 0.45s; }

.feature-card.reveal:nth-child(1) { transition-delay: 0.1s; }
.feature-card.reveal:nth-child(2) { transition-delay: 0.2s; }
.feature-card.reveal:nth-child(3) { transition-delay: 0.3s; }
.feature-card.reveal:nth-child(4) { transition-delay: 0.4s; }

/* ---- RESPONSIVE ---- */
@media (max-width: 1024px) {
  .sila-grid      { grid-template-columns: repeat(3, 1fr); }
  .features-grid  { grid-template-columns: repeat(2, 1fr); }
  .hero {
    flex-direction: column;
    text-align: center;
    padding-top: 110px;
  }
  .hero-btns  { justify-content: center; }
  .hero-stats { justify-content: center; }
  .hero-visual { margin-top: 40px; }
  .garuda-frame { width: 300px; height: 300px; }
  .garuda-img   { width: 230px; height: 230px; }
}

@media (max-width: 768px) {
  header { padding: 12px 20px; }
  .logo-sub { display: none; }
  .nav-link .nav-icon { display: none; }
  .nav-link { padding: 8px 12px; font-size: 0.8rem; }
  .hero { padding: 90px 24px 60px; }
  .sila-section, .features-section { padding: 70px 20px; }
  .sila-grid     { grid-template-columns: repeat(2, 1fr); gap: 12px; }
  .features-grid { grid-template-columns: 1fr; max-width: 440px; margin: 0 auto; }
  .quote-section { padding: 60px 24px; }
  footer { padding: 48px 20px 32px; }
}

@media (max-width: 500px) {
  .sila-grid { grid-template-columns: 1fr; }
  nav { gap: 2px; }
  .hero-title-main { font-size: 3rem; }
  .garuda-frame { width: 240px; height: 240px; }
  .garuda-img   { width: 180px; height: 180px; }
}