/* ============================================
   SI GROUP EB-5 LANDING PAGE — DESIGN SYSTEM
   Style: Futuristic Premium Dark
   ============================================ */

@import url('https://fonts.googleapis.com/css2?family=Josefin+Sans:wght@300;400;500;600;700&display=swap');

:root {
  --charcoal-dark: #1C1F27;
  --charcoal-base: #252932;
  --charcoal-light: #2E3340;
  --gold-primary: #F1D1A9;
  --gold-light: #F5DFC0;
  --gold-glow: rgba(241, 209, 169, 0.35);
  --gold-dim: rgba(241, 209, 169, 0.12);
  --brown-accent: #934D26;
  --brown-dark: #7A3F1E;
  --white-soft: #E8E8E8;
  --white-pure: #FFFFFF;
  --text-muted: #9A9A9A;
  --success: #4CAF50;
  --font-main: 'Josefin Sans', system-ui, sans-serif;
  --section-padding: 100px 0;
  --container-width: 1200px;
  --radius: 16px;
  --transition: 0.35s cubic-bezier(0.4, 0, 0.2, 1);
}

/* ===== RESET ===== */
*, *::before, *::after { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; font-size: 16px; overflow-x: hidden; }
body {
  font-family: var(--font-main);
  background: var(--charcoal-dark);
  color: var(--white-soft);
  line-height: 1.7;
  letter-spacing: 0.02em;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}
a { text-decoration: none; color: inherit; transition: color var(--transition); }
img { max-width: 100%; display: block; }
ul, ol { list-style: none; }
button { background: none; border: none; cursor: pointer; }

/* ===== UTILITIES ===== */
.container {
  max-width: var(--container-width);
  margin: 0 auto;
  padding: 0 40px;
}

.section-title {
  font-size: clamp(1.55rem, 2.4vw, 2.35rem);
  font-weight: 700;
  color: var(--gold-primary);
  text-align: center;
  letter-spacing: 0.055em;
  text-transform: uppercase;
  margin: 0 auto 14px;
  line-height: 1.22;
  max-width: 920px;
  text-wrap: balance;
}
.section-title em { font-style: normal; color: var(--white-pure); }
.section-subtitle {
  text-align: center;
  font-size: 1rem;
  color: var(--text-muted);
  max-width: 700px;
  margin: 0 auto 56px;
  letter-spacing: 0.01em;
  line-height: 1.72;
  text-wrap: pretty;
}

.glass {
  background: rgba(61, 61, 61, 0.28);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border: 1px solid rgba(241, 209, 169, 0.12);
  border-radius: var(--radius);
  box-shadow: 0 18px 48px rgba(0,0,0,0.18);
}

.btn-gold {
  display: inline-flex; align-items: center; justify-content: center;
  padding: 15px 34px;
  background: linear-gradient(135deg, var(--gold-primary), var(--brown-accent));
  color: var(--charcoal-dark);
  font-family: var(--font-main);
  font-weight: 700; font-size: 0.82rem;
  letter-spacing: 0.15em; text-transform: uppercase;
  border: none; border-radius: 50px;
  cursor: pointer; transition: all var(--transition);
  position: relative; overflow: hidden;
  line-height: 1.25;
  text-align: center;
}
.btn-gold::before {
  content: ''; position: absolute; top: 0; left: -100%;
  width: 100%; height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255,255,255,0.25), transparent);
  transition: left 0.6s;
}
.btn-gold:hover { transform: translateY(-2px); box-shadow: 0 8px 30px rgba(241,209,169,0.4); }
.btn-gold:hover::before { left: 100%; }

.btn-ghost {
  display: inline-flex; align-items: center; justify-content: center;
  padding: 15px 34px;
  background: transparent; color: var(--gold-primary);
  font-family: var(--font-main); font-weight: 700; font-size: 0.82rem;
  letter-spacing: 0.15em; text-transform: uppercase;
  border: 1px solid rgba(241,209,169,0.45); border-radius: 50px;
  cursor: pointer; transition: all var(--transition);
  line-height: 1.25;
  text-align: center;
}
.btn-ghost:hover {
  background: rgba(241,209,169,0.1); border-color: var(--gold-primary);
  transform: translateY(-2px); box-shadow: 0 8px 30px rgba(241,209,169,0.15);
}

.glow-line {
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--gold-primary), transparent);
  box-shadow: 0 0 10px var(--gold-glow);
  max-width: 600px; margin: 0 auto;
}
.nowrap { white-space: nowrap; }

/* Scroll Reveal — giữ nội dung luôn hiển thị để tránh section trống khi tunnel/browser không kích hoạt IntersectionObserver */
.reveal { opacity: 1; transform: translateY(0); transition: opacity 0.75s ease, transform 0.75s ease; }
.reveal:not(.visible) { opacity: 1; transform: translateY(0); }
.reveal.visible { opacity: 1; transform: translateY(0); }

/* ===== ANNOUNCEMENT BAR ===== */
.announce-bar {
  background: linear-gradient(135deg, #7A3F1E, #934D26, #7A3F1E);
  color: var(--gold-light);
  text-align: center; padding: 10px 20px;
  font-size: 0.82rem; letter-spacing: 0.04em;
  display: flex; align-items: center; justify-content: center; gap: 10px;
  position: relative; z-index: 999;
}
.announce-icon { font-size: 1rem; flex-shrink: 0; }
.announce-bar p { line-height: 1.5; }

/* ===== NAVBAR ===== */
.navbar {
  position: fixed; top: 0; left: 0; width: 100%;
  z-index: 1000; padding: 0 40px;
  transition: all var(--transition);
}
.navbar.scrolled {
  background: rgba(26, 26, 26, 0.92);
  backdrop-filter: blur(20px); -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid rgba(241,209,169,0.08);
  box-shadow: 0 4px 30px rgba(0,0,0,0.4);
}
.navbar-inner {
  max-width: var(--container-width); margin: 0 auto;
  display: flex; align-items: center; justify-content: space-between;
  height: 76px;
}
.logo { display: flex; align-items: center; gap: 12px; }
.brand-name {
  font-size: 1.3rem; font-weight: 800;
  color: var(--gold-primary); letter-spacing: 0.18em; line-height: 1.2;
}
.brand-tagline {
  font-size: 0.5rem; font-weight: 500;
  color: var(--gold-primary); letter-spacing: 0.08em; opacity: 0.7;
  text-transform: uppercase; display: block;
}
.nav-links {
  display: flex; align-items: center; gap: 28px;
}
.nav-links a {
  font-size: 0.76rem; font-weight: 600;
  letter-spacing: 0.12em; text-transform: uppercase;
  color: var(--white-soft); position: relative; padding: 4px 0;
}
.nav-links a::after {
  content: ''; position: absolute; bottom: -2px; left: 0;
  width: 0; height: 2px; background: var(--gold-primary);
  box-shadow: 0 0 8px var(--gold-glow);
  transition: width var(--transition);
}
.nav-links a:hover, .nav-links a.active { color: var(--gold-primary); }
.nav-links a:hover::after, .nav-links a.active::after { width: 100%; }
.nav-cta-btn {
  padding: 9px 22px !important;
  background: linear-gradient(135deg, var(--gold-primary), var(--brown-accent)) !important;
  color: var(--charcoal-dark) !important;
  border-radius: 50px; font-weight: 700 !important;
}
.nav-cta-btn::after { display: none !important; }
.nav-right { display: flex; align-items: center; gap: 16px; }
.nav-phone { font-size: 0.8rem; font-weight: 600; color: var(--gold-primary); letter-spacing: 0.04em; }
.menu-toggle {
  display: none; flex-direction: column; gap: 5px; cursor: pointer; padding: 8px;
}
.menu-toggle span { width: 24px; height: 2px; background: var(--gold-primary); transition: var(--transition); }

/* ===== HERO SECTION ===== */
.hero {
  position: relative; min-height: 100vh;
  display: flex; align-items: center; justify-content: center;
  text-align: center; overflow: hidden;
  padding-top: 120px;
  background:
    radial-gradient(ellipse 70% 55% at 50% 55%, #2B2212 0%, #1C2028 45%, #12151D 100%);
}
.hero-overlay {
  position: absolute; inset: 0; z-index: 1; pointer-events: none;
  background:
    radial-gradient(ellipse 60% 40% at 50% 52%, rgba(241,209,169,0.16) 0%, rgba(241,209,169,0.05) 40%, transparent 65%),
    radial-gradient(ellipse 100% 30% at 50% 100%, rgba(241,209,169,0.08) 0%, transparent 55%);
}
.hero::before {
  content: ''; position: absolute; inset: 0; z-index: 0;
  background-image: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%23F1D1A9' fill-opacity='0.04'%3E%3Ccircle cx='2' cy='2' r='1.5'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
}
.hero-content {
  position: relative; z-index: 10;
  max-width: 920px; padding: 0 24px;
}
.hero-badge {
  display: inline-block;
  padding: 7px 22px;
  border: 1px solid rgba(241,209,169,0.35);
  border-radius: 50px;
  font-size: 0.72rem; font-weight: 600; letter-spacing: 0.15em; text-transform: uppercase;
  color: var(--gold-light); margin-bottom: 28px;
  background: rgba(241,209,169,0.07);
}
.hero-title {
  font-size: clamp(2.35rem, 5.2vw, 4.45rem);
  font-weight: 700; letter-spacing: 0.025em;
  color: var(--white-pure); line-height: 1.08;
  margin-bottom: 22px; text-transform: uppercase;
  text-wrap: balance;
}
.hero-title em { font-style: normal; color: var(--gold-primary); }
.hero-subtitle {
  font-size: 1.05rem; color: rgba(232,232,232,0.8);
  max-width: 720px; margin: 0 auto 36px;
  line-height: 1.75; font-weight: 300; letter-spacing: 0.015em;
  text-wrap: pretty;
}
.hero-stats {
  display: flex; align-items: center; justify-content: center;
  gap: 0; margin-bottom: 40px;
  background: rgba(241,209,169,0.07); border: 1px solid var(--gold-dim);
  border-radius: 16px; padding: 20px 32px;
  backdrop-filter: blur(12px); -webkit-backdrop-filter: blur(12px);
}
.hero-stat { text-align: center; padding: 0 28px; }
.hero-stat-val {
  display: block; font-size: 1.7rem; font-weight: 700;
  color: var(--gold-primary); letter-spacing: 0.05em; line-height: 1.2;
}
.hero-stat-lbl {
  display: block; font-size: 0.68rem; color: var(--text-muted);
  letter-spacing: 0.1em; text-transform: uppercase; margin-top: 4px;
}
.hero-stat-divider {
  width: 1px; height: 44px; background: rgba(241,209,169,0.2);
}
.hero-cta { display: flex; gap: 16px; justify-content: center; flex-wrap: wrap; margin-top: 4px; }
.hero-scroll {
  position: absolute; bottom: 32px; left: 50%; transform: translateX(-50%);
  z-index: 10; display: flex; flex-direction: column; align-items: center; gap: 8px;
  color: var(--text-muted); font-size: 0.7rem; letter-spacing: 0.1em;
  text-transform: uppercase; animation: bounce 2s infinite;
}
.scroll-chevron {
  width: 10px; height: 10px; border-right: 2px solid var(--gold-primary);
  border-bottom: 2px solid var(--gold-primary); transform: rotate(45deg);
}
@keyframes bounce {
  0%, 100% { transform: translateX(-50%) translateY(0); }
  50% { transform: translateX(-50%) translateY(8px); }
}

/* ===== USP SECTION ===== */
.usp-section {
  padding: var(--section-padding);
  background: var(--charcoal-base);
  position: relative;
}
.usp-section::before {
  content: ''; position: absolute; top: 0; left: 0; right: 0;
  height: 1px; background: linear-gradient(90deg, transparent, var(--gold-dim), transparent);
}
.usp-grid {
  display: grid; grid-template-columns: repeat(6, 1fr);
  gap: 24px; margin-top: 20px;
  align-items: stretch;
}
.usp-card {
  padding: 32px 26px; text-align: center;
  transition: transform var(--transition), box-shadow var(--transition), border-color var(--transition);
  height: 100%;
  grid-column: span 2;
}
.usp-card:nth-child(4) { grid-column: 2 / span 2; }
.usp-card:nth-child(5) { grid-column: 4 / span 2; }
.usp-card:hover {
  transform: translateY(-6px);
  box-shadow: 0 20px 40px rgba(0,0,0,0.3), 0 0 0 1px rgba(241,209,169,0.25);
  border-color: rgba(241,209,169,0.3);
}
.usp-icon {
  width: 68px; height: 68px; margin: 0 auto 20px;
  border-radius: 50%; background: rgba(241,209,169,0.1);
  border: 1px solid rgba(241,209,169,0.2);
  display: flex; align-items: center; justify-content: center;
  color: var(--gold-primary); transition: all var(--transition);
}
.usp-card:hover .usp-icon { background: rgba(241,209,169,0.18); box-shadow: 0 0 20px rgba(241,209,169,0.2); }
.usp-card h3 { font-size: 0.95rem; font-weight: 700; color: var(--gold-primary); margin-bottom: 10px; letter-spacing: 0.05em; text-transform: uppercase; }
.usp-card p { font-size: 0.88rem; color: var(--text-muted); line-height: 1.65; }

/* ===== BENEFITS SECTION ===== */
.benefits-section {
  padding: var(--section-padding);
  background: var(--charcoal-dark);
}
.benefits-grid {
  display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px;
  align-items: stretch;
}
.benefit-card {
  padding: 32px 28px;
  transition: transform var(--transition), box-shadow var(--transition), border-color var(--transition);
  height: 100%;
}
.benefit-card:hover {
  transform: translateY(-6px);
  box-shadow: 0 20px 40px rgba(0,0,0,0.3);
  border-color: rgba(241,209,169,0.3);
}
.benefit-icon { font-size: 2.4rem; margin-bottom: 16px; }
.benefit-card h3 { font-size: 1rem; font-weight: 700; color: var(--gold-primary); margin-bottom: 10px; text-transform: uppercase; letter-spacing: 0.05em; }
.benefit-card p { font-size: 0.88rem; color: var(--text-muted); line-height: 1.65; }

/* ===== CONDITIONS SECTION ===== */
.conditions-section {
  padding: var(--section-padding);
  background: var(--charcoal-base);
}
.investment-cards {
  display: flex; gap: 28px; justify-content: center;
  margin-bottom: 60px; flex-wrap: wrap; align-items: stretch;
}
.invest-card {
  flex: 1; min-width: 260px; max-width: 360px;
  padding: 40px 32px; text-align: center; position: relative;
  transition: transform var(--transition), box-shadow var(--transition);
  display: flex; flex-direction: column; justify-content: space-between;
}
.invest-card:hover { transform: translateY(-6px); box-shadow: 0 20px 40px rgba(0,0,0,0.35); }
.invest-featured {
  border-color: rgba(241,209,169,0.35) !important;
  background: rgba(147, 77, 38, 0.15) !important;
  transform: scale(1.03);
}
.invest-badge {
  position: absolute; top: -14px; left: 50%; transform: translateX(-50%);
  background: linear-gradient(135deg, var(--gold-primary), var(--brown-accent));
  color: var(--charcoal-dark); font-size: 0.7rem; font-weight: 700;
  padding: 5px 18px; border-radius: 50px; letter-spacing: 0.08em; white-space: nowrap;
}
.invest-flag { font-size: 0.72rem; letter-spacing: 0.15em; color: var(--text-muted); text-transform: uppercase; margin-bottom: 12px; }
.invest-amount { font-size: clamp(2rem, 4vw, 3rem); font-weight: 700; color: var(--gold-primary); letter-spacing: 0.03em; line-height: 1.1; }
.invest-label { font-size: 0.85rem; color: var(--text-muted); letter-spacing: 0.08em; margin-bottom: 16px; }
.invest-desc { font-size: 0.85rem; color: rgba(232,232,232,0.7); line-height: 1.6; }

.conditions-list {
  max-width: 620px; margin: 0 auto; text-align: center;
}
.conditions-list h3 { font-size: 1.1rem; font-weight: 700; color: var(--gold-primary); letter-spacing: 0.08em; text-transform: uppercase; margin-bottom: 24px; }
.conditions-list ul { display: flex; flex-direction: column; gap: 14px; text-align: left; }
.conditions-list li {
  display: flex; align-items: flex-start; gap: 14px;
  padding: 16px 20px;
  background: rgba(241,209,169,0.05); border: 1px solid rgba(241,209,169,0.1);
  border-radius: 10px; font-size: 0.9rem; line-height: 1.5;
}
.check {
  color: var(--success); font-size: 1rem; font-weight: 700;
  flex-shrink: 0; width: 20px; text-align: center;
}

/* ===== PROCESS SECTION ===== */
.process-section {
  padding: var(--section-padding);
  background: var(--charcoal-dark); position: relative;
}
.timeline { position: relative; max-width: 820px; margin: 0 auto; }
.timeline-line {
  position: absolute; left: 50%; top: 0; bottom: 0;
  width: 1px; background: linear-gradient(to bottom, transparent, rgba(241,209,169,0.35), rgba(241,209,169,0.35), transparent);
  transform: translateX(-50%);
}
.timeline-step {
  display: flex; align-items: flex-start; gap: 32px; margin-bottom: 48px;
  position: relative;
}
.timeline-step:nth-child(even) { flex-direction: row-reverse; }
.step-number {
  width: 56px; height: 56px; flex-shrink: 0;
  border-radius: 50%; background: linear-gradient(135deg, var(--gold-primary), var(--brown-accent));
  color: var(--charcoal-dark); font-weight: 800; font-size: 1.1rem;
  display: flex; align-items: center; justify-content: center;
  position: relative; z-index: 2; letter-spacing: 0.05em;
  box-shadow: 0 0 0 4px var(--charcoal-dark), 0 0 0 6px rgba(241,209,169,0.25);
  flex-shrink: 0; margin-top: 4px;
}
.step-content { flex: 1; padding: 28px 30px; }
.step-tag { font-size: 0.68rem; font-weight: 700; color: var(--brown-accent); letter-spacing: 0.2em; text-transform: uppercase; margin-bottom: 8px; }
.step-content h3 { font-size: 1.05rem; font-weight: 700; color: var(--gold-primary); text-transform: uppercase; letter-spacing: 0.06em; margin-bottom: 10px; }
.step-content p { font-size: 0.88rem; color: var(--text-muted); line-height: 1.7; margin-bottom: 14px; text-wrap: pretty; }
.step-sig { display: inline-flex; align-items: center; gap: 6px; font-size: 0.8rem; color: var(--gold-light); font-weight: 600; background: rgba(241,209,169,0.08); padding: 6px 14px; border-radius: 50px; border: 1px solid rgba(241,209,169,0.15); }

/* ===== PROJECT SECTION ===== */
.project-section {
  padding: var(--section-padding);
  background: var(--charcoal-base);
}
.safety-criteria {
  background: rgba(241,209,169,0.05); border: 1px solid var(--gold-dim);
  border-radius: var(--radius); padding: 36px 40px; margin-bottom: 48px;
}
.safety-criteria h3 { font-size: 0.85rem; font-weight: 700; color: var(--gold-primary); letter-spacing: 0.15em; text-transform: uppercase; margin-bottom: 24px; text-align: center; }
.criteria-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: 20px; }
.criterion { display: flex; align-items: flex-start; gap: 14px; }
.criterion-icon { font-size: 1.3rem; flex-shrink: 0; }
.criterion span { font-size: 0.88rem; color: rgba(232,232,232,0.85); line-height: 1.6; }

.project-card {
  display: grid; grid-template-columns: 1fr 1fr; gap: 0;
  overflow: hidden;
}
.project-img-wrapper { position: relative; min-height: 380px; overflow: hidden; }
.project-img-placeholder { width: 100%; height: 100%; }
.project-img-placeholder svg { width: 100%; height: 100%; }
.project-info { padding: 40px 40px; }
.project-badge-row { display: flex; gap: 10px; margin-bottom: 18px; flex-wrap: wrap; }
.project-country-badge {
  padding: 5px 14px; background: rgba(241,209,169,0.1);
  border: 1px solid rgba(241,209,169,0.25); border-radius: 50px;
  font-size: 0.72rem; font-weight: 700; letter-spacing: 0.1em; color: var(--gold-light);
}
.project-status-badge {
  padding: 5px 14px; background: rgba(76,175,80,0.15);
  border: 1px solid rgba(76,175,80,0.3); border-radius: 50px;
  font-size: 0.72rem; font-weight: 700; letter-spacing: 0.1em; color: #80E883;
}
.project-title { font-size: 1.3rem; font-weight: 700; color: var(--gold-primary); text-transform: uppercase; letter-spacing: 0.06em; margin-bottom: 6px; }
.project-subtitle { font-size: 0.85rem; color: var(--text-muted); margin-bottom: 28px; line-height: 1.65; text-wrap: pretty; }
.project-specs { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; margin-bottom: 4px; }
.spec-item { display: flex; flex-direction: column; gap: 3px; padding: 12px 14px; background: rgba(241,209,169,0.04); border: 1px solid rgba(241,209,169,0.08); border-radius: 8px; }
.spec-label { font-size: 0.66rem; letter-spacing: 0.12em; color: var(--text-muted); text-transform: uppercase; }
.spec-val { font-size: 0.9rem; font-weight: 600; color: var(--white-soft); }
.spec-val.highlight { color: var(--gold-primary); font-size: 1rem; font-weight: 700; }

/* ===== FAQ SECTION ===== */
.faq-section {
  padding: var(--section-padding);
  background: var(--charcoal-dark);
}
.faq-list { max-width: 760px; margin: 0 auto; display: flex; flex-direction: column; gap: 14px; }
.faq-item { overflow: hidden; transition: border-color var(--transition); }
.faq-item.open { border-color: rgba(241,209,169,0.3); }
.faq-q {
  width: 100%; display: flex; align-items: center; justify-content: space-between;
  gap: 16px; padding: 22px 26px; background: none;
  font-family: var(--font-main); font-size: 0.95rem; font-weight: 600;
  color: var(--white-soft); cursor: pointer; text-align: left;
  letter-spacing: 0.03em; transition: color var(--transition);
}
.faq-q:hover { color: var(--gold-primary); }
.faq-icon {
  font-size: 1.3rem; font-weight: 300; color: var(--gold-primary);
  flex-shrink: 0; transition: transform var(--transition);
  width: 28px; height: 28px; border-radius: 50%;
  background: rgba(241,209,169,0.1); border: 1px solid rgba(241,209,169,0.2);
  display: flex; align-items: center; justify-content: center; line-height: 1;
}
.faq-item.open .faq-icon { transform: rotate(45deg); background: rgba(241,209,169,0.2); }
.faq-a {
  max-height: 0; overflow: hidden;
  transition: max-height 0.5s ease, padding var(--transition);
  padding: 0 26px;
}
.faq-a.open { max-height: 400px; padding-bottom: 22px; }
.faq-a p { font-size: 0.88rem; color: var(--text-muted); line-height: 1.75; }

/* ===== WHY SECTION ===== */
.why-section {
  padding: var(--section-padding);
  background: var(--charcoal-base);
}
.stats-grid {
  display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px;
  margin-bottom: 56px;
}
.stat-card {
  padding: 32px 20px; text-align: center;
  transition: transform var(--transition);
}
.stat-card:hover { transform: translateY(-4px); }
.stat-num { font-size: 2.2rem; font-weight: 700; color: var(--gold-primary); line-height: 1.1; margin-bottom: 8px; }
.stat-label { font-size: 0.8rem; color: var(--text-muted); letter-spacing: 0.06em; text-transform: uppercase; }

.why-features { display: grid; grid-template-columns: 1fr 1fr; gap: 24px; }
.why-feature {
  display: flex; gap: 20px; align-items: flex-start;
  padding: 28px 26px;
  background: rgba(241,209,169,0.04); border: 1px solid var(--gold-dim);
  border-radius: var(--radius);
  transition: transform var(--transition), border-color var(--transition);
}
.why-feature:hover { transform: translateY(-3px); border-color: rgba(241,209,169,0.25); }
.why-icon { font-size: 1.8rem; flex-shrink: 0; }
.why-feature h4 { font-size: 0.92rem; font-weight: 700; color: var(--gold-primary); text-transform: uppercase; letter-spacing: 0.06em; margin-bottom: 8px; }
.why-feature p { font-size: 0.85rem; color: var(--text-muted); line-height: 1.65; }

/* ===== TESTIMONIALS ===== */
.testimonials-section {
  padding: var(--section-padding);
  background: var(--charcoal-dark);
}
.testimonials-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; margin-bottom: 40px; }
.testimonial-card { padding: 32px 28px; transition: transform var(--transition), border-color var(--transition); }
.testimonial-card:hover { transform: translateY(-5px); border-color: rgba(241,209,169,0.25); }
.testimonial-stars { color: var(--gold-primary); font-size: 1rem; letter-spacing: 4px; margin-bottom: 16px; }
.testimonial-text { font-size: 0.88rem; color: rgba(232,232,232,0.85); line-height: 1.75; font-style: italic; margin-bottom: 22px; }
.testimonial-author { display: flex; align-items: center; gap: 14px; }
.author-avatar {
  width: 44px; height: 44px; border-radius: 50%;
  background: linear-gradient(135deg, var(--gold-primary), var(--brown-accent));
  color: var(--charcoal-dark); font-size: 0.72rem; font-weight: 800;
  display: flex; align-items: center; justify-content: center;
  flex-shrink: 0; letter-spacing: 0.05em;
}
.testimonial-author strong { display: block; font-size: 0.88rem; color: var(--gold-light); }
.testimonial-author span { font-size: 0.76rem; color: var(--text-muted); }
.testimonial-cta { text-align: center; margin-top: 16px; }
.testimonial-cta p { font-size: 0.95rem; color: rgba(232,232,232,0.8); margin-bottom: 18px; }
.testimonial-cta strong { color: var(--gold-primary); }

/* ===== CONTACT SECTION ===== */
.contact-section {
  padding: var(--section-padding);
  background:
    radial-gradient(ellipse 70% 60% at 50% 50%, #2B2212 0%, #1C2028 55%, #12151D 100%);
  position: relative;
}
.contact-wrapper {
  display: grid; grid-template-columns: 1fr 1fr; gap: 0;
  overflow: hidden; max-width: 1000px; margin: 0 auto;
}
.contact-left {
  padding: 50px 48px; background: rgba(147,77,38,0.12);
  border-right: 1px solid rgba(241,209,169,0.1);
}
.contact-left h2 { font-size: 1.6rem; font-weight: 700; color: var(--gold-primary); text-transform: uppercase; letter-spacing: 0.06em; margin-bottom: 16px; line-height: 1.3; }
.contact-left h2 em { font-style: normal; color: var(--white-pure); }
.contact-left > p { font-size: 0.9rem; color: rgba(232,232,232,0.75); line-height: 1.75; margin-bottom: 28px; }
.contact-perks { display: flex; flex-direction: column; gap: 12px; margin-bottom: 32px; }
.perk { display: flex; align-items: center; gap: 10px; font-size: 0.88rem; color: rgba(232,232,232,0.8); }
.perk span { color: var(--success); font-weight: 700; font-size: 1rem; }
.contact-hotline { display: flex; align-items: center; gap: 10px; color: var(--gold-primary); font-size: 1rem; font-weight: 700; }
.contact-hotline a { color: var(--gold-primary); font-size: 1.1rem; }
.contact-hotline a:hover { color: var(--white-pure); }

.contact-right { padding: 50px 48px; }
.contact-form { display: flex; flex-direction: column; gap: 20px; }
.form-group { display: flex; flex-direction: column; gap: 7px; }
.form-group label { font-size: 0.73rem; font-weight: 700; color: var(--gold-light); letter-spacing: 0.12em; text-transform: uppercase; }
.form-group input, .form-group select {
  background: rgba(255,255,255,0.06); border: 1px solid rgba(241,209,169,0.2);
  border-radius: 10px; padding: 13px 16px; color: var(--white-soft);
  font-family: var(--font-main); font-size: 0.9rem;
  transition: border-color var(--transition), box-shadow var(--transition);
  outline: none; -webkit-appearance: none; appearance: none;
}
.form-group input::placeholder { color: var(--text-muted); }
.form-group input:focus, .form-group select:focus {
  border-color: var(--gold-primary); box-shadow: 0 0 0 3px rgba(241,209,169,0.12);
}
.form-group select option { background: var(--charcoal-base); color: var(--white-soft); }
.form-note { font-size: 0.75rem; color: var(--text-muted); text-align: center; line-height: 1.5; }

/* ===== NEWS SECTION ===== */
.news-section {
  padding: var(--section-padding);
  background: var(--charcoal-base);
}
.news-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.news-card { overflow: hidden; transition: transform var(--transition), border-color var(--transition); }
.news-card:hover { transform: translateY(-6px); border-color: rgba(241,209,169,0.25); }
.news-img-wrapper { height: 160px; overflow: hidden; display: flex; align-items: center; justify-content: center; background: rgba(241,209,169,0.05); }
.news-img-placeholder { font-size: 3rem; opacity: 0.6; }
.news-content { padding: 24px 24px; }
.news-tag {
  display: inline-block; padding: 3px 12px;
  background: rgba(147,77,38,0.3); border: 1px solid rgba(147,77,38,0.5);
  color: var(--gold-light); font-size: 0.67rem; font-weight: 700;
  letter-spacing: 0.12em; text-transform: uppercase; border-radius: 50px;
  margin-bottom: 12px;
}
.news-content h4 { font-size: 0.95rem; font-weight: 700; color: var(--white-soft); margin-bottom: 10px; line-height: 1.5; }
.news-content p { font-size: 0.82rem; color: var(--text-muted); line-height: 1.65; margin-bottom: 16px; }
.news-link { font-size: 0.8rem; font-weight: 700; color: var(--gold-primary); letter-spacing: 0.08em; text-transform: uppercase; }
.news-link:hover { color: var(--white-pure); }

/* ===== FOOTER ===== */
.footer { background: var(--charcoal-dark); border-top: 1px solid rgba(241,209,169,0.08); padding: 80px 0 32px; }
.footer-top { display: grid; grid-template-columns: 2fr 1fr 1fr 1fr; gap: 40px; margin-bottom: 48px; }
.footer-brand .brand-name { font-size: 1.4rem; font-weight: 800; color: var(--gold-primary); letter-spacing: 0.2em; margin-bottom: 4px; }
.brand-tagline-full { font-size: 0.7rem; letter-spacing: 0.1em; color: var(--gold-primary); opacity: 0.6; text-transform: uppercase; margin-bottom: 16px; }
.footer-description { font-size: 0.85rem; color: var(--text-muted); line-height: 1.7; margin-bottom: 20px; }
.footer-socials { display: flex; gap: 12px; }
.footer-socials a {
  width: 38px; height: 38px; border-radius: 50%;
  background: rgba(241,209,169,0.08); border: 1px solid rgba(241,209,169,0.15);
  display: flex; align-items: center; justify-content: center;
  color: var(--gold-primary); font-size: 0.8rem; font-weight: 700;
  transition: all var(--transition);
}
.footer-socials a:hover { background: rgba(241,209,169,0.2); transform: translateY(-2px); }
.footer-col h4 { font-size: 0.78rem; font-weight: 700; color: var(--gold-primary); letter-spacing: 0.15em; text-transform: uppercase; margin-bottom: 18px; }
.footer-col ul { display: flex; flex-direction: column; gap: 10px; }
.footer-col li a { font-size: 0.82rem; color: var(--text-muted); transition: color var(--transition); }
.footer-col li a:hover { color: var(--gold-primary); }
.footer-bottom { display: flex; align-items: center; justify-content: space-between; gap: 20px; font-size: 0.78rem; color: var(--text-muted); flex-wrap: wrap; }
.footer-legal { display: flex; gap: 20px; }
.footer-legal a { color: var(--text-muted); transition: color var(--transition); }
.footer-legal a:hover { color: var(--gold-primary); }

/* ===== STICKY CTA ===== */
.sticky-cta {
  position: fixed; bottom: 24px; left: 50%; transform: translateX(-50%);
  z-index: 900; display: none; gap: 12px;
  background: rgba(28,31,39,0.9); backdrop-filter: blur(16px);
  padding: 10px 16px; border-radius: 50px;
  border: 1px solid rgba(241,209,169,0.15);
  box-shadow: 0 8px 32px rgba(0,0,0,0.4);
}
.sticky-btn {
  display: flex; align-items: center; gap: 8px;
  padding: 10px 22px; border-radius: 50px;
  font-family: var(--font-main); font-size: 0.8rem; font-weight: 700;
  letter-spacing: 0.1em; text-transform: uppercase; cursor: pointer;
  transition: all var(--transition);
}
.sticky-phone { background: transparent; color: var(--gold-primary); border: 1px solid rgba(241,209,169,0.35); }
.sticky-phone:hover { background: rgba(241,209,169,0.1); }
.sticky-consult { background: linear-gradient(135deg, var(--gold-primary), var(--brown-accent)); color: var(--charcoal-dark); }
.sticky-consult:hover { transform: translateY(-2px); box-shadow: 0 6px 20px rgba(241,209,169,0.3); }

/* ===== TOAST ===== */
.toast {
  position: fixed; bottom: 90px; left: 50%; transform: translateX(-50%);
  background: rgba(76,175,80,0.95); color: white;
  padding: 14px 28px; border-radius: 50px;
  font-size: 0.88rem; font-weight: 600; z-index: 9999;
  box-shadow: 0 8px 24px rgba(0,0,0,0.3);
  transition: opacity 0.3s; white-space: nowrap;
}
.toast.hidden { opacity: 0; pointer-events: none; }

/* ===== EB5 BRIEF INSERTED SECTIONS: NEEDS / SAFETY / VIDEO ===== */
.needs-section,
.safety-section,
.video-section {
  padding: var(--section-padding);
  position: relative;
  overflow: hidden;
}
.needs-section { background: linear-gradient(180deg, var(--charcoal-base), var(--charcoal-dark)); }
.safety-section { background: var(--charcoal-dark); }
.video-section { background: radial-gradient(circle at 68% 40%, rgba(241,209,169,.12), transparent 30%), var(--charcoal-base); }
.needs-grid,
.safety-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  margin-top: 50px;
  align-items: stretch;
}
.need-card,
.safety-card {
  padding: 34px;
  min-height: 280px;
  border-color: rgba(241,209,169,.16);
  display: flex;
  flex-direction: column;
}
.need-icon {
  font-size: 2.35rem;
  margin-bottom: 18px;
}
.need-card h3,
.safety-card h3 {
  color: var(--gold-primary);
  text-transform: uppercase;
  letter-spacing: .08em;
  font-size: 1rem;
  margin-bottom: 12px;
}
.need-card p,
.safety-card p {
  color: var(--text-muted);
  font-size: .96rem;
  line-height: 1.7;
  text-wrap: pretty;
}
.need-card a {
  display: inline-block;
  margin-top: 22px;
  color: var(--gold-primary);
  font-weight: 700;
  letter-spacing: .08em;
  text-transform: uppercase;
  font-size: .78rem;
}
.safety-card.featured {
  transform: translateY(-12px);
  border-color: rgba(241,209,169,.34);
  box-shadow: 0 22px 70px rgba(0,0,0,.28), 0 0 32px rgba(241,209,169,.08);
}
.safety-tag {
  color: var(--brown-accent);
  background: rgba(241,209,169,.12);
  border: 1px solid rgba(241,209,169,.18);
  border-radius: 999px;
  display: inline-flex;
  padding: 7px 12px;
  font-size: .72rem;
  font-weight: 700;
  letter-spacing: .12em;
  margin-bottom: 20px;
}
.safety-card ul { margin-top: 20px; display: grid; gap: 10px; }
.safety-card li { color: var(--white-soft); font-size: .92rem; }
.safety-card li::before { content: '✓'; color: var(--gold-primary); margin-right: 9px; font-weight: 700; }
.video-grid {
  display: grid;
  grid-template-columns: .9fr 1.1fr;
  gap: 48px;
  align-items: center;
}
.left-title,
.left-subtitle { text-align: left; margin-left: 0; }
.video-card {
  min-height: 330px;
  width: 100%;
  aspect-ratio: 16 / 9;
  position: relative;
  overflow: hidden;
  color: var(--white-soft);
  border: 1px solid rgba(241,209,169,.22);
  background: linear-gradient(145deg, rgba(255,255,255,.08), rgba(255,255,255,.03));
  padding: 0;
}
.video-card iframe,
.youtube-fallback {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  border: 0;
  border-radius: inherit;
}
.youtube-fallback {
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--white);
  text-decoration: none;
  overflow: hidden;
}
.youtube-fallback img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: brightness(.55) saturate(.95);
  transform: scale(1.02);
}
.youtube-play {
  position: absolute;
  width: 78px;
  height: 78px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--gold-primary), var(--brown-accent));
  color: var(--charcoal-dark);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.75rem;
  padding-left: 4px;
  box-shadow: 0 0 30px var(--gold-glow);
}
.youtube-fallback strong {
  position: absolute;
  left: 24px;
  right: 24px;
  bottom: 22px;
  color: var(--white);
  text-transform: uppercase;
  letter-spacing: .1em;
  font-size: .95rem;
  text-align: center;
}
.play-btn {
  width: 82px;
  height: 82px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--gold-primary), var(--brown-accent));
  color: var(--charcoal-dark);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.8rem;
  margin-bottom: 22px;
  box-shadow: 0 0 30px var(--gold-glow);
}
.video-card strong { color: var(--gold-primary); text-transform: uppercase; letter-spacing: .12em; font-size: 1.1rem; }
.video-card small { color: var(--text-muted); margin-top: 8px; }
.eb5-review-stats .hero-stat-val { font-size: clamp(1.6rem, 3vw, 2.2rem); }

/* ===== RESPONSIVE ===== */
@media (max-width: 1024px) {
  :root { --section-padding: 80px 0; }
  .container { padding: 0 28px; }
  .usp-grid { grid-template-columns: repeat(2, 1fr); }
  .usp-card,
  .usp-card:nth-child(4),
  .usp-card:nth-child(5) { grid-column: auto; }
  .stats-grid { grid-template-columns: repeat(2, 1fr); }
  .benefits-grid { grid-template-columns: repeat(2, 1fr); }
  .footer-top { grid-template-columns: 1fr 1fr; }
  .needs-grid, .safety-grid, .video-grid { grid-template-columns: 1fr; }
  .safety-card.featured { transform: none; }
  .left-title, .left-subtitle { text-align: center; margin-left: auto; }
  .project-card { grid-template-columns: 1fr; }
  .project-img-wrapper { min-height: 240px; }
  .why-features { grid-template-columns: 1fr; }
}

@media (max-width: 768px) {
  :root { --section-padding: 64px 0; }
  .container { padding: 0 20px; }
  .navbar { padding: 0 20px; }
  .nav-links {
    position: fixed; top: 0; right: -100%; bottom: 0;
    width: 80%; max-width: 320px; background: rgba(26,26,26,0.98);
    backdrop-filter: blur(20px); flex-direction: column;
    padding: 90px 32px 32px; z-index: 999;
    transition: right 0.4s ease; gap: 20px;
    border-left: 1px solid rgba(241,209,169,0.1);
    align-items: flex-start;
  }
  .nav-links.mobile-open { right: 0; }
  .nav-links a { font-size: 0.9rem; padding: 10px 0; }
  .nav-cta-btn { display: block; width: 100%; text-align: center; }
  .menu-toggle { display: flex; position: relative; z-index: 1001; }
  .nav-phone { display: none; }
  .hero { min-height: 100dvh; padding: 100px 0 60px; }
  .hero-stats { flex-direction: column; gap: 12px; padding: 20px; }
  .hero-stat-divider { width: 80%; height: 1px; }
  .hero-cta { flex-direction: column; align-items: center; }
  .hero-cta .btn-gold, .hero-cta .btn-ghost { width: 100%; max-width: 320px; text-align: center; }
  .usp-grid { grid-template-columns: 1fr; }
  .benefits-grid { grid-template-columns: 1fr 1fr; }
  .needs-grid, .safety-grid { grid-template-columns: 1fr; }
  .stats-grid { grid-template-columns: repeat(2, 1fr); }
  .testimonials-grid { grid-template-columns: 1fr; }
  .news-grid { grid-template-columns: 1fr; }
  .contact-wrapper { grid-template-columns: 1fr; }
  .contact-left { border-right: none; border-bottom: 1px solid rgba(241,209,169,0.1); padding: 36px 28px; }
  .contact-right { padding: 36px 28px; }
  .project-specs { grid-template-columns: 1fr; }
  .footer-top { grid-template-columns: 1fr 1fr; }
  .footer-bottom { flex-direction: column; text-align: center; }
  .sticky-cta { display: flex; }
  .timeline-line { display: none; }
  .timeline-step { flex-direction: column !important; gap: 16px; }
  .step-number { margin: 0 auto; }
  .step-content { text-align: left; }
  .investment-cards { flex-direction: column; align-items: center; }
  .invest-featured { transform: scale(1); }
  .announce-bar { font-size: 0.75rem; }
}

@media (max-width: 480px) {
  .benefits-grid { grid-template-columns: 1fr; }
  .stats-grid { grid-template-columns: 1fr 1fr; }
  .usp-grid { grid-template-columns: 1fr; }
  .hero-title { font-size: 1.9rem; }
  .hero-badge { font-size: 0.65rem; }
  .section-title { font-size: 1.4rem; }
  .footer-top { grid-template-columns: 1fr; }
  .why-features { grid-template-columns: 1fr; }
}