/* ===========================
   ALKEBULAN CAPITAL – style.css
   =========================== */

/* ---- Reset & Base ---- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --gold:    #c9a84c;
  --gold-lt: #e8c97a;
  --dark:    #0d0d0d;
  --dark2:   #141414;
  --dark3:   #1e1e1e;
  --gray:    #6b7280;
  --gray-lt: #9ca3af;
  --white:   #ffffff;
  --off-white: #f5f5f0;
  --green:   #27ae60;
  --font-sans: 'Inter', sans-serif;
  --font-serif: 'Playfair Display', serif;
  --nav-h: 72px;
  --transition: 0.35s cubic-bezier(0.4, 0, 0.2, 1);
  --radius: 12px;
  --shadow: 0 8px 40px rgba(0,0,0,0.18);
}

html { scroll-behavior: smooth; font-size: 16px; }

body {
  font-family: var(--font-sans);
  background: var(--dark);
  color: var(--white);
  overflow-x: hidden;
  line-height: 1.7;
}

a { text-decoration: none; color: inherit; }
img { display: block; max-width: 100%; }
ul { list-style: none; }

.container { width: 90%; max-width: 1200px; margin: 0 auto; }
.section { padding: 96px 0; }

/* ---- Scroll reveal ---- */
.reveal { opacity: 0; transform: translateY(36px); transition: opacity 0.7s var(--transition), transform 0.7s var(--transition); }
.reveal.visible { opacity: 1; transform: none; }

/* ---- Section headers ---- */
.section-header { text-align: center; margin-bottom: 64px; }
.section-tag {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--gold);
  margin-bottom: 12px;
}
.section-tag.light { color: var(--gold-lt); }
.section-header h2 {
  font-family: var(--font-serif);
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 700;
  color: var(--dark);
  margin-bottom: 16px;
}
.section-line {
  width: 60px; height: 3px;
  background: linear-gradient(90deg, var(--gold), var(--gold-lt));
  border-radius: 2px;
  margin: 0 auto;
}

/* ============================
   NAVBAR
   ============================ */
.navbar {
  position: fixed; top: 0; left: 0; width: 100%; z-index: 1000;
  padding: 0 5%;
  display: flex; align-items: center;
  height: var(--nav-h);
  background: transparent;
  transition: background var(--transition), box-shadow var(--transition);
}
.navbar.scrolled {
  background: rgba(13,13,13,0.97);
  box-shadow: 0 2px 24px rgba(0,0,0,0.4);
  backdrop-filter: blur(12px);
}
.nav-container {
  width: 100%; display: flex; align-items: center; justify-content: space-between;
}
.nav-logo {
  display: flex; align-items: center; gap: 12px;
}
.nav-logo img { height: 40px; width: auto; object-fit: contain; border-radius: 6px; }
.nav-logo span { font-weight: 700; font-size: 1.05rem; color: var(--white); letter-spacing: 0.02em; }
.nav-links { display: flex; align-items: center; gap: 8px; }
.nav-link {
  padding: 8px 16px;
  font-size: 0.9rem; font-weight: 500;
  color: rgba(255,255,255,0.85);
  border-radius: 8px;
  transition: color var(--transition), background var(--transition);
  position: relative;
}
.nav-link::after {
  content: ''; position: absolute; bottom: 4px; left: 50%; transform: translateX(-50%);
  width: 0; height: 2px; background: var(--gold);
  border-radius: 2px; transition: width var(--transition);
}
.nav-link:hover, .nav-link.active { color: var(--gold); }
.nav-link:hover::after, .nav-link.active::after { width: 60%; }
.nav-toggle {
  display: none; flex-direction: column; justify-content: center; gap: 5px;
  background: none; border: none; cursor: pointer; padding: 6px; width: 36px;
}
.nav-toggle span {
  display: block; height: 2px; background: var(--white);
  border-radius: 2px; transition: var(--transition);
}

/* ============================
   HERO
   ============================ */
.hero {
  position: relative; height: 100vh; min-height: 600px;
  overflow: hidden; display: flex; align-items: center; justify-content: center;
}
.carousel { position: absolute; inset: 0; }
.carousel-track { position: absolute; inset: 0; }
.carousel-slide {
  position: absolute; inset: 0; opacity: 0;
  transition: opacity 1.2s ease;
}
.carousel-slide.active { opacity: 1; }
.carousel-slide img { width: 100%; height: 100%; object-fit: cover; object-position: center; }
.hero-overlay {
  position: absolute; inset: 0;
  background: linear-gradient(135deg, rgba(0,0,0,0.72) 0%, rgba(0,0,0,0.38) 60%, rgba(201,168,76,0.12) 100%);
  z-index: 1;
}
.hero-content {
  position: relative; z-index: 2;
  text-align: center; padding: 0 20px;
  max-width: 800px;
}
.hero-badge {
  display: inline-block;
  padding: 6px 18px;
  border: 1px solid rgba(201,168,76,0.5);
  border-radius: 30px;
  font-size: 0.75rem; font-weight: 600; letter-spacing: 0.15em; text-transform: uppercase;
  color: var(--gold);
  margin-bottom: 24px;
  backdrop-filter: blur(6px);
  background: rgba(201,168,76,0.08);
  animation: fadeInDown 0.8s ease 0.2s both;
}
.hero-title {
  font-family: var(--font-serif);
  font-size: clamp(2.4rem, 6vw, 4.2rem);
  font-weight: 700; line-height: 1.15;
  color: var(--white);
  margin-bottom: 20px;
  animation: fadeInUp 0.9s ease 0.4s both;
}
.hero-title span { color: var(--gold); }
.hero-subtitle {
  font-size: clamp(1rem, 2vw, 1.2rem);
  color: rgba(255,255,255,0.82);
  margin-bottom: 40px;
  animation: fadeInUp 0.9s ease 0.6s both;
}
.hero-actions {
  display: flex; gap: 16px; justify-content: center; flex-wrap: wrap;
  animation: fadeInUp 0.9s ease 0.8s both;
}

/* ---- Buttons ---- */
.btn {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 14px 32px; border-radius: 50px; font-weight: 600; font-size: 0.92rem;
  cursor: pointer; border: none; transition: var(--transition);
  letter-spacing: 0.04em;
}
.btn-primary {
  background: linear-gradient(135deg, var(--gold), var(--gold-lt));
  color: var(--dark);
  box-shadow: 0 4px 20px rgba(201,168,76,0.4);
}
.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 8px 30px rgba(201,168,76,0.55); }
.btn-outline {
  background: transparent;
  color: var(--white);
  border: 2px solid rgba(255,255,255,0.5);
}
.btn-outline:hover { border-color: var(--gold); color: var(--gold); }
.btn-full { width: 100%; justify-content: center; }

/* Carousel controls */
.carousel-btn {
  position: absolute; top: 50%; transform: translateY(-50%); z-index: 3;
  background: rgba(201,168,76,0.15); border: 1px solid rgba(201,168,76,0.4);
  color: var(--white); width: 50px; height: 50px; border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  font-size: 1.3rem; cursor: pointer; transition: var(--transition);
  backdrop-filter: blur(6px);
}
.carousel-btn:hover { background: var(--gold); color: var(--dark); }
.carousel-btn.prev { left: 24px; }
.carousel-btn.next { right: 24px; }
.carousel-dots {
  position: absolute; bottom: 24px; left: 50%; transform: translateX(-50%);
  z-index: 3; display: flex; gap: 8px;
}
.dot {
  width: 8px; height: 8px; border-radius: 50%;
  background: rgba(255,255,255,0.4); border: none; cursor: pointer;
  transition: var(--transition); padding: 0;
}
.dot.active { background: var(--gold); width: 24px; border-radius: 4px; }
.scroll-indicator {
  position: absolute; bottom: 32px; left: 50%; transform: translateX(-50%);
  z-index: 3; color: var(--white); font-size: 1.5rem;
  animation: bounce 2s infinite;
}

/* ============================
   ABOUT
   ============================ */
.about { background: var(--off-white); }
.about .section-header h2 { color: var(--dark); }
.about-grid {
  display: grid; grid-template-columns: 1fr 1fr; gap: 64px; align-items: center;
}
.about-text p {
  color: #374151; margin-bottom: 20px; font-size: 1.05rem;
}
.about-text strong { color: var(--dark); }
.about-stats {
  display: flex; gap: 32px; margin-top: 40px;
  padding-top: 32px; border-top: 1px solid #e5e7eb;
}
.stat { display: flex; flex-direction: column; gap: 4px; }
.stat-num { font-family: var(--font-serif); font-size: 1.5rem; font-weight: 700; color: var(--gold); }
.stat-label { font-size: 0.78rem; font-weight: 600; text-transform: uppercase; letter-spacing: 0.1em; color: var(--gray); }
.about-logo { display: flex; justify-content: center; }
.logo-card {
  background: var(--white);
  border-radius: 24px;
  padding: 48px;
  box-shadow: var(--shadow);
  display: flex; align-items: center; justify-content: center;
  border: 1px solid #e5e7eb;
  transition: transform var(--transition);
}
.logo-card:hover { transform: translateY(-8px); }
.logo-card img { max-width: 260px; }

/* ============================
   INVESTMENT FOCUS
   ============================ */
.focus {
  display: grid; grid-template-columns: 1fr 1fr; min-height: 600px;
}
.focus-left {
  background: linear-gradient(135deg, var(--dark2) 0%, var(--dark3) 100%);
  padding: 80px 64px;
  display: flex; flex-direction: column; justify-content: center;
}
.focus-left h2 {
  font-family: var(--font-serif);
  font-size: clamp(1.8rem, 3vw, 2.6rem);
  color: var(--white);
  margin-bottom: 16px;
}
.focus-left > p {
  color: rgba(255,255,255,0.7); margin-bottom: 32px; font-size: 1rem;
}
.focus-list { margin-bottom: 28px; }
.focus-list li {
  display: flex; align-items: center; gap: 14px;
  color: rgba(255,255,255,0.85);
  padding: 12px 0;
  border-bottom: 1px solid rgba(255,255,255,0.06);
  font-size: 0.95rem;
  transition: color var(--transition);
}
.focus-list li:hover { color: var(--gold-lt); }
.focus-list li i { color: var(--gold); font-size: 1.1rem; flex-shrink: 0; width: 20px; }
.focus-closing {
  color: rgba(255,255,255,0.65); font-size: 0.9rem; line-height: 1.8;
  padding-top: 16px; border-top: 1px solid rgba(201,168,76,0.2);
}
.focus-right {
  position: relative; overflow: hidden; background: var(--dark3);
}
.focus-img-wrap { position: relative; height: 100%; min-height: 500px; }
.focus-img-wrap img { width: 100%; height: 100%; object-fit: cover; }
.focus-img-badge {
  position: absolute; bottom: 32px; left: 32px;
  background: linear-gradient(135deg, var(--gold), var(--gold-lt));
  color: var(--dark); border-radius: 14px; padding: 16px 20px;
  display: flex; align-items: center; gap: 12px; font-weight: 700;
  box-shadow: 0 8px 32px rgba(201,168,76,0.4);
}
.focus-img-badge i { font-size: 1.6rem; }
.focus-img-badge span { font-size: 0.85rem; line-height: 1.3; }

/* ============================
   CONTACT
   ============================ */
.contact { background: var(--off-white); }
.contact .section-header h2 { color: var(--dark); }
.contact-grid { display: grid; grid-template-columns: 1fr 1.4fr; gap: 64px; align-items: start; }
.contact-info h3 { font-family: var(--font-serif); font-size: 1.6rem; color: var(--dark); margin-bottom: 12px; }
.contact-info > p { color: var(--gray); margin-bottom: 36px; }
.info-item {
  display: flex; gap: 16px; align-items: flex-start; margin-bottom: 24px;
}
.info-icon {
  width: 44px; height: 44px; border-radius: 50%;
  background: linear-gradient(135deg, var(--gold), var(--gold-lt));
  display: flex; align-items: center; justify-content: center;
  color: var(--dark); font-size: 1.1rem; flex-shrink: 0;
}
.info-item strong { display: block; font-size: 0.85rem; text-transform: uppercase; letter-spacing: 0.08em; color: var(--gray); margin-bottom: 4px; }
.info-item span { color: var(--dark); font-size: 0.95rem; }
.info-item a { color: var(--dark); transition: color var(--transition); }
.info-item a:hover { color: var(--gold); }
.social-links { display: flex; gap: 10px; margin-top: 32px; flex-wrap: wrap; }
.social-btn {
  width: 40px; height: 40px; border-radius: 50%;
  background: var(--dark); color: var(--white);
  display: flex; align-items: center; justify-content: center;
  font-size: 1rem; transition: var(--transition);
}
.social-btn:hover { background: var(--gold); color: var(--dark); transform: translateY(-3px); }

/* Contact form */
.contact-form-wrap {
  background: var(--white); border-radius: 20px; padding: 40px;
  box-shadow: var(--shadow); border: 1px solid #e5e7eb;
}
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
.form-group { display: flex; flex-direction: column; margin-bottom: 20px; }
.form-group label { font-size: 0.85rem; font-weight: 600; color: #374151; margin-bottom: 8px; }
.req { color: #ef4444; }
.form-group input, .form-group textarea {
  padding: 12px 16px; border: 1.5px solid #e5e7eb; border-radius: 10px;
  font-family: var(--font-sans); font-size: 0.95rem; color: var(--dark);
  background: #fafafa; transition: border-color var(--transition), box-shadow var(--transition);
  outline: none; resize: none;
}
.form-group input:focus, .form-group textarea:focus {
  border-color: var(--gold); box-shadow: 0 0 0 3px rgba(201,168,76,0.15);
  background: var(--white);
}
.form-group input.invalid, .form-group textarea.invalid { border-color: #ef4444; }
.form-error { font-size: 0.78rem; color: #ef4444; margin-top: 4px; display: none; }
.form-error.show { display: block; }
.form-success {
  margin-top: 16px; padding: 14px 18px;
  background: #f0fdf4; border: 1px solid #86efac; border-radius: 10px;
  color: var(--green); font-size: 0.92rem; font-weight: 600;
  display: none; align-items: center; gap: 8px;
}
.form-success.show { display: flex; }

/* ============================
   MAP
   ============================ */
.map-section { line-height: 0; }
.map-section iframe { display: block; }

/* ============================
   FOOTER
   ============================ */
.footer { background: var(--dark2); padding: 72px 0 0; }
.footer-inner {
  display: grid; grid-template-columns: 1.5fr 1fr 1.2fr; gap: 48px;
  padding-bottom: 48px; border-bottom: 1px solid rgba(255,255,255,0.08);
}
.footer-brand img { height: 52px; margin-bottom: 16px; }
.footer-brand p { color: rgba(255,255,255,0.55); font-size: 0.9rem; max-width: 240px; }
.footer-links h4, .footer-contact h4 {
  font-size: 0.85rem; font-weight: 700; letter-spacing: 0.1em; text-transform: uppercase;
  color: var(--gold); margin-bottom: 20px;
}
.footer-links ul { display: flex; flex-direction: column; gap: 10px; }
.footer-links a { color: rgba(255,255,255,0.6); font-size: 0.9rem; transition: color var(--transition); }
.footer-links a:hover { color: var(--gold); }
.footer-contact p { color: rgba(255,255,255,0.6); font-size: 0.88rem; margin-bottom: 10px; display: flex; align-items: flex-start; gap: 8px; }
.footer-contact i { color: var(--gold); flex-shrink: 0; margin-top: 2px; }
.footer-contact a { color: rgba(255,255,255,0.6); transition: color var(--transition); }
.footer-contact a:hover { color: var(--gold); }
.footer-contact .social-links { margin-top: 20px; }
.footer-contact .social-btn { background: rgba(255,255,255,0.07); }
.footer-bottom {
  display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: 12px;
  padding: 20px 5%; font-size: 0.82rem; color: rgba(255,255,255,0.4);
}
.footer-bottom a { color: rgba(255,255,255,0.5); transition: color var(--transition); }
.footer-bottom a:hover { color: var(--gold); }

/* ============================
   BACK TO TOP
   ============================ */
.back-to-top {
  position: fixed; bottom: 28px; right: 28px; z-index: 999;
  width: 46px; height: 46px; border-radius: 50%;
  background: var(--gold); color: var(--dark); border: none; cursor: pointer;
  font-size: 1.1rem; display: flex; align-items: center; justify-content: center;
  opacity: 0; transform: translateY(20px); pointer-events: none;
  transition: var(--transition); box-shadow: 0 4px 16px rgba(201,168,76,0.5);
}
.back-to-top.show { opacity: 1; transform: none; pointer-events: auto; }
.back-to-top:hover { transform: translateY(-4px); }

/* ============================
   ANIMATIONS
   ============================ */
@keyframes fadeInDown { from { opacity: 0; transform: translateY(-20px); } to { opacity: 1; transform: none; } }
@keyframes fadeInUp { from { opacity: 0; transform: translateY(28px); } to { opacity: 1; transform: none; } }
@keyframes bounce { 0%,100% { transform: translateX(-50%) translateY(0); } 50% { transform: translateX(-50%) translateY(-10px); } }

/* ============================
   RESPONSIVE
   ============================ */
@media (max-width: 1024px) {
  .focus { grid-template-columns: 1fr; }
  .focus-left { padding: 64px 40px; }
  .focus-right { min-height: 400px; }
  .focus-img-wrap { min-height: 400px; }
  .footer-inner { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 768px) {
  :root { --nav-h: 64px; }
  .nav-links {
    position: fixed; top: var(--nav-h); left: 0; width: 100%;
    background: rgba(13,13,13,0.98); backdrop-filter: blur(12px);
    flex-direction: column; padding: 24px; gap: 4px;
    transform: translateY(-100vh); transition: transform var(--transition);
    z-index: 999;
  }
  .nav-links.open { transform: translateY(0); }
  .nav-toggle { display: flex; }
  .nav-link { width: 100%; text-align: center; padding: 14px; }

  .about-grid { grid-template-columns: 1fr; gap: 40px; }
  .about-stats { gap: 20px; }
  .contact-grid { grid-template-columns: 1fr; gap: 40px; }
  .form-row { grid-template-columns: 1fr; }
  .footer-inner { grid-template-columns: 1fr; gap: 32px; }
  .footer-bottom { flex-direction: column; text-align: center; }
  .section { padding: 64px 0; }
  .focus-left { padding: 48px 24px; }
  .logo-card { padding: 32px; }
}

@media (max-width: 480px) {
  .hero-actions { flex-direction: column; align-items: center; }
  .btn { width: 100%; max-width: 280px; justify-content: center; }
  .carousel-btn { width: 40px; height: 40px; font-size: 1rem; }
  .contact-form-wrap { padding: 24px 20px; }
}