/* === CSS Custom Properties === */
:root {
  --blue-dark: #1a2e5a;
  --blue-mid: #243f7a;
  --blue-light: #2d5499;
  --gold: #f0a500;
  --gold-dark: #c88a00;
  --white: #ffffff;
  --gray-light: #f5f7fa;
  --gray-text: #666;
  --text-dark: #1a1a2e;
  --radius: 12px;
  --shadow: 0 4px 20px rgba(0,0,0,0.12);
  --transition: 0.3s ease;
  --max-width: 1100px;
  --wa-green: #25d366;
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html { scroll-behavior: smooth; }

body {
  font-family: 'Noto Sans SC', 'Inter', sans-serif;
  color: var(--text-dark);
  background: var(--white);
  line-height: 1.6;
}

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

.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 20px;
}

.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 28px;
  border-radius: 50px;
  font-weight: 700;
  font-size: 1rem;
  text-decoration: none;
  transition: var(--transition);
  cursor: pointer;
  border: none;
}

.btn-gold {
  background: var(--gold);
  color: var(--blue-dark);
}
.btn-gold:hover { background: var(--gold-dark); transform: translateY(-2px); }

.btn-wa {
  background: var(--wa-green);
  color: var(--white);
  font-size: 1.1rem;
  padding: 16px 32px;
}
.btn-wa:hover { background: #1da851; transform: translateY(-2px); box-shadow: 0 6px 20px rgba(37,211,102,0.4); }

.section-title {
  font-size: clamp(1.6rem, 4vw, 2.4rem);
  font-weight: 700;
  text-align: center;
  margin-bottom: 0.5rem;
}

.section-subtitle {
  text-align: center;
  color: var(--gray-text);
  font-size: 1.05rem;
  margin-bottom: 2.5rem;
}

/* Fade-in animation */
.fade-in {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}
.fade-in.visible {
  opacity: 1;
  transform: translateY(0);
}

/* === HERO === */
#hero {
  background: linear-gradient(135deg, var(--blue-dark) 0%, var(--blue-light) 100%);
  color: var(--white);
  padding: 80px 0 60px;
  overflow: hidden;
}

.hero-inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 40px;
  align-items: center;
}

.hero-badge {
  display: inline-block;
  background: rgba(240,165,0,0.2);
  border: 1px solid var(--gold);
  color: var(--gold);
  padding: 6px 16px;
  border-radius: 50px;
  font-size: 0.9rem;
  font-weight: 600;
  margin-bottom: 1rem;
}

#hero h1 {
  font-size: clamp(2rem, 5vw, 3.2rem);
  font-weight: 700;
  line-height: 1.2;
  margin-bottom: 1.2rem;
}

#hero h1 .gold { color: var(--gold); }
#hero h1 .highlight { color: var(--gold); text-decoration: underline wavy var(--gold); }

.hero-sub {
  font-size: 1.05rem;
  opacity: 0.9;
  margin-bottom: 2rem;
  line-height: 1.8;
}

.hero-cta {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-bottom: 2rem;
}

.btn-ghost {
  background: transparent;
  border: 2px solid rgba(255,255,255,0.4);
  color: var(--white);
  padding: 14px 24px;
  border-radius: 50px;
  text-decoration: none;
  font-weight: 600;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  transition: var(--transition);
}
.btn-ghost:hover { border-color: var(--white); background: rgba(255,255,255,0.1); }

.hero-logos {
  display: flex;
  align-items: center;
  gap: 16px;
  flex-wrap: wrap;
}
.hero-logos span { font-size: 0.9rem; opacity: 0.7; }
.telco-logos {
  display: flex;
  gap: 10px;
  align-items: center;
  flex-wrap: wrap;
}
.telco-logos img {
  height: 28px;
  width: auto;
  filter: none;
  opacity: 0.95;
  border-radius: 5px;
}

.hero-image img {
  max-width: 460px;
  margin: 0 auto;
  filter: drop-shadow(0 20px 40px rgba(0,0,0,0.3));
  animation: float 4s ease-in-out infinite;
}

@keyframes float {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-12px); }
}

@media (max-width: 768px) {
  .hero-inner { grid-template-columns: 1fr; }
  .hero-image { order: -1; }
  .hero-image img { max-width: 280px; }
}

/* === PAIN POINTS === */
#pain-points {
  background: var(--gray-light);
  padding: 80px 0;
}

.section-eyebrow {
  text-align: center;
  color: var(--gold-dark);
  font-weight: 700;
  font-size: 0.95rem;
  text-transform: uppercase;
  letter-spacing: 1px;
  margin-bottom: 0.5rem;
}

.pain-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.pain-card {
  background: var(--white);
  border-radius: var(--radius);
  padding: 32px 24px;
  text-align: center;
  box-shadow: var(--shadow);
  transition: var(--transition);
}
.pain-card:hover { transform: translateY(-6px); box-shadow: 0 8px 30px rgba(0,0,0,0.15); }

.pain-icon {
  width: 64px;
  height: 64px;
  background: linear-gradient(135deg, var(--blue-dark), var(--blue-light));
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 1rem;
  color: var(--gold);
  font-size: 1.6rem;
}

.pain-card h3 {
  font-size: 1.1rem;
  margin-bottom: 0.75rem;
  color: var(--blue-dark);
}

.pain-card p { color: var(--gray-text); font-size: 0.95rem; }

@media (max-width: 768px) {
  .pain-grid { grid-template-columns: 1fr; }
}

/* === SOLUTION === */
#solution {
  background: linear-gradient(135deg, var(--blue-dark) 0%, var(--blue-mid) 100%);
  color: var(--white);
  padding: 80px 0;
}

.flow-steps {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0;
  flex-wrap: wrap;
  margin-bottom: 3rem;
  background: rgba(255,255,255,0.07);
  border-radius: var(--radius);
  padding: 32px 24px;
}

.flow-step {
  text-align: center;
  padding: 16px 24px;
  position: relative;
}
.flow-step .flow-num {
  position: absolute;
  top: 0; left: 50%;
  transform: translate(-50%, -50%);
  background: var(--gold);
  color: var(--blue-dark);
  width: 28px; height: 28px;
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  font-weight: 700; font-size: 0.85rem;
}
.flow-step i { font-size: 2rem; color: var(--gold); margin-bottom: 0.75rem; display: block; margin-top: 10px; }
.flow-step p { font-size: 0.95rem; line-height: 1.5; }
.flow-step .gold { color: var(--gold); }

.flow-arrow { color: var(--gold); font-size: 1.4rem; opacity: 0.6; }

.telco-choose {
  text-align: center;
  color: rgba(255,255,255,0.7);
  margin-bottom: 1.5rem;
  font-size: 1rem;
}

.telco-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
}

.telco-card {
  background: rgba(255,255,255,0.1);
  border: 1px solid rgba(255,255,255,0.2);
  border-radius: var(--radius);
  padding: 24px 16px;
  text-align: center;
  transition: var(--transition);
  backdrop-filter: blur(4px);
}
.telco-card:hover { background: rgba(255,255,255,0.18); transform: translateY(-4px); }
.telco-card img { height: 36px; width: auto; margin: 0 auto 0.75rem; }
.telco-card h3 { font-size: 1.05rem; margin-bottom: 0.3rem; }
.telco-card p { font-size: 0.82rem; opacity: 0.75; }

@media (max-width: 900px) {
  .telco-grid { grid-template-columns: repeat(3, 1fr); }
}
@media (max-width: 768px) {
  .telco-grid { grid-template-columns: repeat(2, 1fr); }
  .flow-steps { flex-direction: column; }
  .flow-arrow { transform: rotate(90deg); }
}

/* === OFFER === */
#offer {
  background: var(--gray-light);
  padding: 80px 0;
}

.offer-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  margin-bottom: 3rem;
  align-items: start;
}

.offer-card {
  background: var(--white);
  border-radius: var(--radius);
  padding: 40px 24px 32px;
  text-align: center;
  box-shadow: var(--shadow);
  position: relative;
  transition: var(--transition);
}
.offer-card:hover { transform: translateY(-6px); }

.offer-card.featured {
  background: linear-gradient(135deg, var(--blue-dark), var(--blue-mid));
  color: var(--white);
  transform: scale(1.05);
  box-shadow: 0 8px 40px rgba(26,46,90,0.35);
}
.offer-card.featured:hover { transform: scale(1.05) translateY(-6px); }
.offer-card.featured h3, .offer-card.featured p { color: var(--white); }

.offer-badge {
  position: absolute;
  top: -14px; right: 20px;
  background: var(--gold);
  color: var(--blue-dark);
  padding: 4px 14px;
  border-radius: 50px;
  font-weight: 700;
  font-size: 0.85rem;
}

.offer-icon {
  width: 72px; height: 72px;
  background: linear-gradient(135deg, var(--blue-dark), var(--blue-light));
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  margin: 0 auto 1.2rem;
  color: var(--gold);
  font-size: 1.8rem;
}
.offer-card.featured .offer-icon { background: rgba(255,255,255,0.15); }

.offer-card h3 { font-size: 1.2rem; margin-bottom: 0.5rem; color: var(--blue-dark); }
.offer-card p { font-size: 0.95rem; color: var(--gray-text); margin-bottom: 1rem; }

.offer-tag {
  display: inline-block;
  background: rgba(240,165,0,0.15);
  color: var(--gold-dark);
  border: 1px solid var(--gold);
  padding: 4px 12px;
  border-radius: 50px;
  font-size: 0.82rem;
  font-weight: 600;
}
.offer-card.featured .offer-tag { background: rgba(240,165,0,0.2); color: var(--gold); border-color: var(--gold); }

/* Countdown */
.countdown-wrap {
  text-align: center;
  margin-bottom: 2.5rem;
}
.countdown-label {
  font-size: 0.95rem;
  color: var(--gray-text);
  margin-bottom: 1rem;
  font-weight: 600;
}
.countdown {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 8px;
}
.count-unit {
  background: var(--blue-dark);
  color: var(--white);
  border-radius: var(--radius);
  padding: 16px 20px;
  min-width: 80px;
  text-align: center;
}
.count-unit span {
  display: block;
  font-size: 2.2rem;
  font-weight: 700;
  line-height: 1;
  color: var(--gold);
}
.count-unit label { font-size: 0.75rem; opacity: 0.7; margin-top: 4px; display: block; }
.count-sep { font-size: 2rem; font-weight: 700; color: var(--blue-dark); }

.offer-cta { text-align: center; }
.offer-note { margin-top: 1rem; font-size: 0.85rem; color: var(--gray-text); }

@media (max-width: 768px) {
  .offer-grid { grid-template-columns: 1fr; }
  .offer-card.featured { transform: none; }
  .countdown { flex-wrap: wrap; }
  .count-unit { min-width: 64px; padding: 12px 14px; }
  .count-unit span { font-size: 1.8rem; }
}

/* === FAQ === */
#faq {
  background: var(--white);
  padding: 80px 0;
}

.faq-list {
  max-width: 720px;
  margin: 0 auto;
}

.faq-item {
  border: 1px solid #e0e6f0;
  border-radius: var(--radius);
  margin-bottom: 12px;
  overflow: hidden;
}

.faq-q {
  width: 100%;
  background: none;
  border: none;
  padding: 20px 24px;
  text-align: left;
  font-size: 1rem;
  font-weight: 600;
  color: var(--blue-dark);
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
  transition: var(--transition);
  font-family: inherit;
}
.faq-q:hover { background: var(--gray-light); }
.faq-q i { flex-shrink: 0; transition: transform 0.3s; color: var(--gold-dark); }
.faq-q[aria-expanded="true"] { background: var(--gray-light); }
.faq-q[aria-expanded="true"] i { transform: rotate(180deg); }

.faq-a {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.35s ease, padding 0.35s ease;
}
.faq-a.open {
  max-height: 200px;
  padding: 0 24px 20px;
}
.faq-a p { color: var(--gray-text); line-height: 1.7; }

/* === FOOTER === */
#footer {
  background: var(--blue-dark);
  color: rgba(255,255,255,0.85);
  padding: 60px 0 40px;
}

.footer-inner {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: 40px;
}

.footer-brand h3 { color: var(--gold); font-size: 1.3rem; margin-bottom: 0.75rem; }
.footer-brand p { opacity: 0.7; line-height: 1.7; }

.footer-links h4, .footer-contact h4 {
  color: var(--white);
  margin-bottom: 1rem;
  font-size: 0.95rem;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.footer-links ul { list-style: none; }
.footer-links ul li { margin-bottom: 0.5rem; }
.footer-links ul li a {
  color: rgba(255,255,255,0.65);
  text-decoration: none;
  font-size: 0.9rem;
  transition: var(--transition);
}
.footer-links ul li a:hover { color: var(--gold); }

.footer-wa {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: var(--wa-green);
  color: var(--white);
  padding: 10px 20px;
  border-radius: 50px;
  text-decoration: none;
  font-weight: 600;
  font-size: 0.95rem;
  transition: var(--transition);
}
.footer-wa:hover { background: #1da851; }

/* Floating WhatsApp */
.float-wa {
  position: fixed;
  bottom: 28px;
  right: 28px;
  z-index: 999;
  background: var(--wa-green);
  color: var(--white);
  width: 60px;
  height: 60px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.8rem;
  box-shadow: 0 4px 20px rgba(37,211,102,0.5);
  text-decoration: none;
  transition: var(--transition);
  animation: pulse-wa 2.5s ease-in-out infinite;
}
.float-wa:hover { transform: scale(1.1); box-shadow: 0 6px 28px rgba(37,211,102,0.7); }

@keyframes pulse-wa {
  0%, 100% { box-shadow: 0 4px 20px rgba(37,211,102,0.5); }
  50% { box-shadow: 0 4px 28px rgba(37,211,102,0.85), 0 0 0 10px rgba(37,211,102,0.15); }
}

.float-wa-tooltip {
  position: absolute;
  right: 72px;
  background: var(--blue-dark);
  color: var(--white);
  padding: 6px 12px;
  border-radius: 6px;
  font-size: 0.82rem;
  white-space: nowrap;
  opacity: 0;
  pointer-events: none;
  transition: var(--transition);
}
.float-wa:hover .float-wa-tooltip { opacity: 1; }

@media (max-width: 768px) {
  .footer-inner { grid-template-columns: 1fr; gap: 24px; }
  .float-wa { bottom: 20px; right: 20px; width: 52px; height: 52px; font-size: 1.5rem; }
}

/* === FINAL POLISH === */

/* Ensure section-eyebrow in solution section shows white */
#solution .section-eyebrow { color: rgba(255,255,255,0.7); }

/* Smooth scroll offset for anchor links */
section[id], footer[id] { scroll-margin-top: 20px; }

/* Telco logos — show with their own brand colors */
.telco-card img { filter: none; opacity: 1; }
.telco-logos img { filter: none; opacity: 0.95; border-radius: 6px; }

/* Offer grid padding fix on mobile to handle featured card scale */
@media (max-width: 768px) {
  .offer-grid { padding: 8px 0; }
}

/* Ensure countdown timer elements not shown until JS loads */
#countdown { min-height: 80px; }