/* ═══════════════════════════════════════════════════════════
   ACRE ASCENT LTD — Main Stylesheet
   Palette: Forest Green #1A3D2B · Gold #C8A96E · Cream #F7F3EC
   Type: Cormorant Garamond (display) + Inter (body)
═══════════════════════════════════════════════════════════ */

/* ── CUSTOM PROPERTIES ────────────────────────────────── */
:root {
  --forest:       #1A3D2B;
  --forest-deep:  #0D1F15;
  --forest-mid:   #2A5840;
  --gold:         #C8A96E;
  --gold-light:   #E0C896;
  --cream:        #F7F3EC;
  --cream-dark:   #EDE8DE;
  --white:        #FFFFFF;
  --ink:          #1C1C1C;
  --ink-mid:      #4A4A4A;
  --ink-light:    #888;
  --divider:      rgba(26,61,43,0.12);

  --font-display: 'Cormorant Garamond', Georgia, serif;
  --font-body:    'Inter', system-ui, sans-serif;

  --nav-h:        68px;
  --radius-sm:    6px;
  --radius-md:    12px;
  --radius-lg:    20px;

  --ease-out:     cubic-bezier(0.16, 1, 0.3, 1);
  --ease-in-out:  cubic-bezier(0.45, 0, 0.55, 1);

  --max-w:        1200px;
  --gutter:       clamp(20px, 5vw, 64px);
}

/* ── RESET & BASE ──────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.6;
  color: var(--ink);
  background: var(--white);
  overflow-x: hidden;
}

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

a { color: inherit; text-decoration: none; }
ul { list-style: none; }
button { cursor: pointer; font-family: inherit; border: none; background: none; }
input, select, textarea { font-family: inherit; }

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: 0.01ms !important; transition-duration: 0.01ms !important; }
}

/* ── UTILITY ───────────────────────────────────────────── */
.container {
  width: 100%;
  max-width: var(--max-w);
  margin-inline: auto;
  padding-inline: var(--gutter);
}

.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 12px 28px;
  border-radius: var(--radius-sm);
  font-family: var(--font-body);
  font-size: 14px;
  font-weight: 500;
  letter-spacing: 0.02em;
  transition: all 0.25s var(--ease-out);
  white-space: nowrap;
}

.btn-gold {
  background: var(--gold);
  color: var(--forest-deep);
  border: 1.5px solid transparent;
}
.btn-gold:hover { background: var(--gold-light); transform: translateY(-1px); box-shadow: 0 6px 20px rgba(200,169,110,0.35); }

.btn-outline-gold {
  background: transparent;
  color: var(--gold);
  border: 1.5px solid var(--gold);
}
.btn-outline-gold:hover { background: var(--gold); color: var(--forest-deep); }

.btn-ghost {
  background: transparent;
  color: rgba(255,255,255,0.8);
  border: 1.5px solid rgba(255,255,255,0.25);
  padding: 10px 20px;
}
.btn-ghost:hover { background: rgba(255,255,255,0.1); color: var(--white); }

.btn-ghost-dark {
  background: transparent;
  color: var(--forest);
  border: 1.5px solid var(--divider);
  font-size: 14px;
  padding: 10px 22px;
}
.btn-ghost-dark:hover { border-color: var(--forest); }

.btn-full { width: 100%; justify-content: center; }

.section-eyebrow {
  display: block;
  font-family: var(--font-body);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--gold);
  margin-bottom: 14px;
}
.section-eyebrow.light { color: var(--gold-light); }

.section-title {
  font-family: var(--font-display);
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 400;
  line-height: 1.2;
  color: var(--ink);
}
.section-title em { font-style: italic; color: var(--forest); }
.section-title.light { color: var(--white); }
.em-light { font-style: italic; color: var(--gold-light) !important; }

.section-header {
  text-align: center;
  margin-bottom: clamp(40px, 6vw, 72px);
}

.br-mobile { display: none; }

/* ── NAVIGATION ────────────────────────────────────────── */
.nav-wrapper {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 200;
  height: var(--nav-h);
  background: rgba(10, 22, 14, 0.72);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid rgba(255,255,255,0.08);
  transition: background 0.35s var(--ease-out), box-shadow 0.35s var(--ease-out);
}
.nav-wrapper.scrolled {
  background: rgba(13,31,21,0.97);
  box-shadow: 0 2px 24px rgba(0,0,0,0.25);
}

.nav-inner {
  display: flex;
  align-items: center;
  gap: 32px;
  height: 100%;
  max-width: var(--max-w);
  margin-inline: auto;
  padding-inline: var(--gutter);
}

.nav-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-shrink: 0;
  color: var(--white);
  text-decoration: none;
}
.logo-mark {
  width: 34px; height: 34px;
  background: var(--gold);
  color: var(--forest-deep);
  border-radius: 6px;
  font-family: var(--font-display);
  font-size: 14px;
  font-weight: 600;
  letter-spacing: 0.02em;
  display: flex;
  align-items: center;
  justify-content: center;
}
.logo-text {
  font-family: var(--font-display);
  font-size: 15px;
  font-weight: 400;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--white);
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 4px;
  margin-left: auto;
}

.nav-item > a {
  display: block;
  padding: 8px 14px;
  font-size: 14px;
  font-weight: 400;
  color: rgba(255,255,255,0.78);
  border-radius: var(--radius-sm);
  transition: color 0.2s, background 0.2s;
  position: relative;
}
.nav-item > a:hover { color: var(--white); background: rgba(255,255,255,0.06); }

.nav-item.has-dropdown { position: relative; }
.dropdown {
  position: absolute;
  top: calc(100% + 8px);
  left: 50%;
  transform: translateX(-50%) translateY(8px);
  background: var(--forest-deep);
  border: 1px solid rgba(200,169,110,0.2);
  border-radius: var(--radius-md);
  padding: 8px;
  min-width: 180px;
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  transition: opacity 0.22s var(--ease-out), transform 0.22s var(--ease-out), visibility 0.22s;
  box-shadow: 0 16px 40px rgba(0,0,0,0.35);
}
/* 透明缓冲桥：覆盖导航项底部到下拉菜单顶部之间的空隙 */
.dropdown::before {
  content: '';
  position: absolute;
  top: -16px;
  left: 0;
  right: 0;
  height: 16px;
}
/* JS 控制开关 */
.nav-item.has-dropdown.dropdown-open .dropdown {
  opacity: 1;
  visibility: visible;
  pointer-events: all;
  transform: translateX(-50%) translateY(0);
}
.dropdown li a {
  display: block;
  padding: 9px 14px;
  font-size: 13px;
  color: rgba(255,255,255,0.7);
  border-radius: var(--radius-sm);
  transition: color 0.18s, background 0.18s;
}
.dropdown li a:hover { color: var(--gold); background: rgba(200,169,110,0.08); }

.nav-actions {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-shrink: 0;
}
.nav-lang {
  font-size: 13px;
  font-weight: 500;
  letter-spacing: 0.04em;
  padding: 8px 14px;
}

.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: 6px;
  margin-left: auto;
}
.hamburger span {
  display: block;
  width: 24px; height: 1.5px;
  background: var(--white);
  border-radius: 2px;
  transition: all 0.25s var(--ease-out);
  transform-origin: center;
}
.hamburger.open span:nth-child(1) { transform: translateY(6.5px) rotate(45deg); }
.hamburger.open span:nth-child(2) { opacity: 0; }
.hamburger.open span:nth-child(3) { transform: translateY(-6.5px) rotate(-45deg); }

/* ── HERO ───────────────────────────────────────────────── */
.hero {
  position: relative;
  height: 100dvh;
  min-height: 600px;
  background: var(--forest-deep);
  overflow: hidden;
  padding-top: var(--nav-h);
}

.hero-eyebrow {
  position: absolute;
  top: calc(var(--nav-h) + 20px);
  left: var(--gutter);
  z-index: 10;
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: rgba(255,255,255,0.5);
}
.hero-eyebrow .dot { color: var(--gold); }

.hero-panels {
  display: flex;
  height: 100%;
}

.hero-panel {
  position: relative;
  flex: 1;
  overflow: hidden;
  cursor: pointer;
  transition: flex 0.7s var(--ease-out);
}
.hero-panel:hover { flex: 1.9; }

.panel-bg {
  position: absolute;
  inset: 0;
  background-color: var(--forest-mid);
  overflow: hidden;
}
.panel-bg img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
  display: block;
  transition: transform 0.7s var(--ease-out);
}
.hero-panel:hover .panel-bg img { transform: scale(1.04); }

.panel-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(
    to top,
    rgba(8,20,12,0.88) 0%,
    rgba(8,20,12,0.42) 45%,
    rgba(8,20,12,0.08) 100%
  );
  transition: background 0.5s var(--ease-out);
}
.hero-panel:hover .panel-overlay {
  background: linear-gradient(
    to top,
    rgba(8,20,12,0.82) 0%,
    rgba(8,20,12,0.28) 55%,
    rgba(8,20,12,0.02) 100%
  );
}

.panel-content {
  position: absolute;
  bottom: 0; left: 0; right: 0;
  padding: clamp(28px, 4vw, 48px);
  transform: translateY(12px);
  transition: transform 0.5s var(--ease-out);
}
.hero-panel:hover .panel-content { transform: translateY(0); }

.panel-tag {
  display: inline-block;
  font-size: 10px;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--gold);
  background: rgba(200,169,110,0.12);
  border: 1px solid rgba(200,169,110,0.25);
  padding: 4px 10px;
  border-radius: 20px;
  margin-bottom: 16px;
}

.panel-title {
  font-family: var(--font-display);
  font-size: clamp(1.6rem, 2.4vw, 2.3rem);
  font-weight: 400;
  line-height: 1.15;
  color: var(--white);
  margin-bottom: 14px;
}

.panel-desc {
  font-size: 13.5px;
  line-height: 1.65;
  color: rgba(255,255,255,0.7);
  max-width: 320px;
  margin-bottom: 24px;
  opacity: 0;
  transform: translateY(10px);
  transition: opacity 0.4s 0.1s var(--ease-out), transform 0.4s 0.1s var(--ease-out);
}
.hero-panel:hover .panel-desc { opacity: 1; transform: translateY(0); }

.panel-cta {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  font-weight: 500;
  color: var(--gold);
  letter-spacing: 0.02em;
  opacity: 0;
  transform: translateY(10px);
  transition: opacity 0.4s 0.18s var(--ease-out), transform 0.4s 0.18s var(--ease-out), gap 0.2s;
}
.panel-cta:hover { gap: 12px; }
.hero-panel:hover .panel-cta { opacity: 1; transform: translateY(0); }

.panel-number {
  position: absolute;
  top: 28px; right: 28px;
  font-family: var(--font-display);
  font-size: 12px;
  font-weight: 400;
  letter-spacing: 0.06em;
  color: rgba(255,255,255,0.25);
}

/* Center panel default emphasis */
.panel-center { flex: 1.15; }
.panel-center .panel-desc {
  opacity: 0.85;
  transform: translateY(4px);
}
.panel-center .panel-cta {
  opacity: 0.7;
  transform: translateY(4px);
}
.panel-center:hover .panel-desc,
.panel-center:hover .panel-cta { opacity: 1; transform: translateY(0); }

/* Panel separators */
.hero-panel + .hero-panel::before {
  content: '';
  position: absolute;
  top: 15%; bottom: 15%;
  left: 0;
  width: 1px;
  background: rgba(255,255,255,0.1);
  z-index: 5;
  pointer-events: none;
}

.hero-scroll-hint {
  position: absolute;
  bottom: 32px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 10;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 10px;
  font-size: 10px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: rgba(255,255,255,0.35);
}
.scroll-line {
  width: 1px; height: 40px;
  background: linear-gradient(to bottom, rgba(255,255,255,0.3), transparent);
  animation: scrollPulse 2s ease-in-out infinite;
}
@keyframes scrollPulse {
  0%, 100% { opacity: 0.4; transform: scaleY(1); }
  50% { opacity: 1; transform: scaleY(1.15); }
}

/* ── TRUST BAR ─────────────────────────────────────────── */
.trust-bar {
  background: var(--forest);
  padding: 28px 0;
}
.trust-items {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0;
  flex-wrap: wrap;
}
.trust-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  padding: 12px 40px;
  gap: 4px;
}
.trust-num {
  font-family: var(--font-display);
  font-size: 1.6rem;
  font-weight: 400;
  color: var(--gold);
  line-height: 1;
}
.trust-num em { font-style: normal; font-size: 1rem; }
.trust-label {
  font-size: 12px;
  font-weight: 400;
  line-height: 1.5;
  color: rgba(255,255,255,0.65);
}
.trust-divider {
  width: 1px; height: 40px;
  background: rgba(255,255,255,0.12);
  flex-shrink: 0;
}

/* ── PAIN SECTION ──────────────────────────────────────── */
.pain-section {
  padding: clamp(64px, 10vw, 120px) 0;
  background: var(--cream);
}
.pain-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.pain-card {
  background: var(--white);
  border-radius: var(--radius-lg);
  padding: 36px 32px;
  border: 1px solid var(--divider);
  transition: box-shadow 0.3s var(--ease-out), transform 0.3s var(--ease-out);
  position: relative;
  overflow: hidden;
}
.pain-card::before {
  content: attr(data-index);
  position: absolute;
  top: -10px; right: 16px;
  font-family: var(--font-display);
  font-size: 5rem;
  font-weight: 300;
  color: rgba(26,61,43,0.05);
  line-height: 1;
  pointer-events: none;
}
.pain-card:hover { box-shadow: 0 12px 40px rgba(0,0,0,0.09); transform: translateY(-3px); }

.pain-icon {
  width: 48px; height: 48px;
  color: var(--forest);
  margin-bottom: 20px;
}
.pain-icon svg { width: 100%; height: 100%; }

.pain-card h3 {
  font-family: var(--font-display);
  font-size: 1.35rem;
  font-weight: 600;
  color: var(--ink);
  margin-bottom: 10px;
}
.pain-problem {
  font-size: 14px;
  line-height: 1.7;
  color: var(--ink-mid);
  margin-bottom: 24px;
  padding-bottom: 24px;
  border-bottom: 1px solid var(--divider);
}
.pain-solution { display: flex; flex-direction: column; gap: 8px; }
.solution-label {
  font-size: 10px;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--gold);
}
.pain-solution p { font-size: 13.5px; line-height: 1.6; color: var(--ink-mid); }

/* ── SERVICES SECTION ──────────────────────────────────── */
.services-section {
  padding: clamp(64px, 10vw, 120px) 0;
  background: var(--white);
}
.service-tracks {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
  align-items: start;
}
.service-track {
  border-radius: var(--radius-lg);
  padding: clamp(32px, 4vw, 52px);
  display: flex;
  flex-direction: column;
  gap: 32px;
}
.track-education {
  background: var(--cream);
  border: 1px solid var(--divider);
}
.track-enterprise {
  background: var(--forest);
}

.track-badge {
  display: inline-block;
  font-size: 10px;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  padding: 5px 12px;
  border-radius: 20px;
  background: rgba(26,61,43,0.08);
  color: var(--forest);
  border: 1px solid rgba(26,61,43,0.14);
}
.track-badge-dark {
  background: rgba(200,169,110,0.12);
  color: var(--gold);
  border-color: rgba(200,169,110,0.25);
}

.track-header h3 {
  font-family: var(--font-display);
  font-size: clamp(1.5rem, 2.5vw, 2rem);
  font-weight: 400;
  line-height: 1.2;
  margin: 14px 0 12px;
}
.track-education .track-header h3 { color: var(--ink); }
.track-enterprise .track-header h3 { color: var(--white); }

.track-desc {
  font-size: 14px;
  line-height: 1.7;
}
.track-education .track-desc { color: var(--ink-mid); }
.track-enterprise .track-desc { color: rgba(255,255,255,0.65); }

.track-services { display: flex; flex-direction: column; gap: 4px; }

.service-item {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 14px 16px;
  border-radius: var(--radius-sm);
}
.track-education .service-item:hover { background: transparent; }
.track-enterprise .service-item:hover { background: transparent; }

.si-icon {
  width: 36px; height: 36px;
  flex-shrink: 0;
  display: flex; align-items: center; justify-content: center;
  border-radius: 8px;
}
.track-education .si-icon { background: rgba(26,61,43,0.06); color: var(--forest); }
.track-enterprise .si-icon { background: rgba(255,255,255,0.08); color: rgba(255,255,255,0.75); }
.si-icon svg { width: 20px; height: 20px; }

.si-text { flex: 1; display: flex; flex-direction: column; gap: 2px; }
.si-name {
  font-size: 14px;
  font-weight: 500;
}
.track-education .si-name { color: var(--ink); }
.track-enterprise .si-name { color: var(--white); }

.si-desc {
  font-size: 12px;
}
.track-education .si-desc { color: var(--ink-light); }
.track-enterprise .si-desc { color: rgba(255,255,255,0.45); }

.si-arrow {
  width: 16px; height: 16px;
  flex-shrink: 0;
  opacity: 0;
  transition: opacity 0.2s, transform 0.2s;
}
.track-education .si-arrow { color: var(--forest); }
.track-enterprise .si-arrow { color: var(--gold); }
.service-item:hover .si-arrow { opacity: 1; transform: translateX(3px); }

.track-btn { align-self: flex-start; }

/* ── PROCESS SECTION ───────────────────────────────────── */
.process-section {
  padding: clamp(64px, 10vw, 120px) 0;
  background: var(--cream);
}
.process-steps {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0;
  position: relative;
}
.process-step {
  display: flex;
  flex-direction: column;
  gap: 20px;
  padding: 0 24px;
}
.process-step:first-child { padding-left: 0; }
.process-step:last-child { padding-right: 0; }

.step-visual {
  display: flex;
  align-items: center;
}
.step-circle {
  width: 52px; height: 52px;
  border-radius: 50%;
  border: 1.5px solid var(--gold);
  background: var(--white);
  color: var(--forest);
  display: flex; align-items: center; justify-content: center;
  flex-shrink: 0;
  transition: background 0.3s, color 0.3s;
}
.step-circle svg { width: 22px; height: 22px; }
.process-step:hover .step-circle { background: var(--forest); color: var(--gold); }

.step-line {
  flex: 1;
  height: 1px;
  background: linear-gradient(to right, var(--gold), rgba(200,169,110,0.2));
  margin-left: 8px;
}

.step-body {}
.step-tag {
  display: block;
  font-size: 10px;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--gold);
  margin-bottom: 8px;
}
.step-body h4 {
  font-family: var(--font-display);
  font-size: 1.15rem;
  font-weight: 600;
  color: var(--ink);
  line-height: 1.3;
  margin-bottom: 10px;
}
.step-body p {
  font-size: 13.5px;
  line-height: 1.7;
  color: var(--ink-mid);
}

/* ── FIELD SECTION ─────────────────────────────────────── */
.field-section {
  background: var(--forest-deep);
  overflow: hidden;
}
.field-inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  min-height: 600px;
}
.field-text {
  padding: clamp(48px, 8vw, 96px) var(--gutter) clamp(48px, 8vw, 96px) calc((100vw - var(--max-w)) / 2 + var(--gutter));
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 24px;
}
.field-body {
  font-size: 15px;
  line-height: 1.75;
  color: rgba(255,255,255,0.65);
  max-width: 440px;
}
.field-stats {
  display: flex;
  gap: 32px;
  flex-wrap: wrap;
}
.fstat { display: flex; flex-direction: column; gap: 4px; }
.fstat-n {
  font-family: var(--font-display);
  font-size: 1.6rem;
  font-weight: 400;
  color: var(--gold);
  line-height: 1;
}
.fstat-l {
  font-size: 12px;
  color: rgba(255,255,255,0.5);
  line-height: 1.4;
}

.field-gallery {
  position: relative;
  overflow: hidden;
}
.gallery-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  grid-template-rows: 1fr 1fr;
  height: 100%;
  min-height: 520px;
  gap: 4px;
}
.gallery-img {
  position: relative;
  overflow: hidden;
  background: var(--forest-mid);
}
.gallery-img img {
  width: 100%; height: 100%;
  object-fit: cover;
  transition: transform 0.6s var(--ease-out);
}
.gallery-img:hover img { transform: scale(1.05); }
.gi-tall { grid-row: span 2; }

/* gallery image hover */
.gallery-img img {
  background: var(--forest-mid);
}

.img-label {
  position: absolute;
  bottom: 12px; left: 12px;
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.08em;
  color: rgba(255,255,255,0.7);
  background: rgba(0,0,0,0.4);
  backdrop-filter: blur(6px);
  padding: 4px 10px;
  border-radius: 20px;
}

/* ── TESTIMONIALS ──────────────────────────────────────── */
.testimonials-section {
  padding: clamp(64px, 10vw, 120px) 0;
  background: var(--white);
}
.testimonials-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr;
  gap: 24px;
  align-items: start;
}
.testi-card {
  border-radius: var(--radius-lg);
  padding: 32px;
  border: 1px solid var(--divider);
  position: relative;
  transition: box-shadow 0.3s, transform 0.3s;
}
.testi-card:hover { box-shadow: 0 12px 40px rgba(0,0,0,0.07); transform: translateY(-2px); }
.testi-featured { background: var(--forest); border-color: transparent; }
.testi-card:not(.testi-featured) { background: var(--cream); }

.testi-quote {
  font-family: var(--font-display);
  font-size: 4rem;
  line-height: 0.7;
  color: var(--gold);
  margin-bottom: 16px;
  opacity: 0.6;
}
.testi-featured .testi-quote { opacity: 0.8; }

.testi-text {
  font-size: 14.5px;
  line-height: 1.75;
  margin-bottom: 24px;
}
.testi-featured .testi-text { color: rgba(255,255,255,0.85); }
.testi-card:not(.testi-featured) .testi-text { color: var(--ink-mid); }

.testi-author {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 16px;
}
.testi-avatar {
  width: 40px; height: 40px;
  border-radius: 50%;
  background: var(--gold);
  color: var(--forest-deep);
  font-family: var(--font-display);
  font-size: 1rem;
  font-weight: 600;
  display: flex; align-items: center; justify-content: center;
  flex-shrink: 0;
}
.testi-name {
  display: block;
  font-size: 14px;
  font-weight: 600;
}
.testi-featured .testi-name { color: var(--white); }
.testi-card:not(.testi-featured) .testi-name { color: var(--ink); }

.testi-role {
  display: block;
  font-size: 12px;
}
.testi-featured .testi-role { color: rgba(255,255,255,0.5); }
.testi-card:not(.testi-featured) .testi-role { color: var(--ink-light); }

.testi-service {
  display: inline-block;
  font-size: 10px;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  padding: 4px 10px;
  border-radius: 20px;
}
.testi-featured .testi-service {
  background: rgba(200,169,110,0.15);
  color: var(--gold);
  border: 1px solid rgba(200,169,110,0.25);
}
.testi-card:not(.testi-featured) .testi-service {
  background: rgba(26,61,43,0.06);
  color: var(--forest);
  border: 1px solid rgba(26,61,43,0.12);
}

/* ── INSIGHTS ───────────────────────────────────────────── */
.insights-section {
  padding: clamp(64px, 10vw, 120px) 0;
  background: var(--cream);
}
.insights-header {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  margin-bottom: clamp(40px, 6vw, 64px);
  gap: 20px;
}
.insights-header .section-header {
  text-align: left;
  margin-bottom: 0;
}

.insights-grid {
  display: grid;
  grid-template-columns: 1.6fr 1fr 1fr;
  gap: 24px;
  align-items: start;
}

.insight-card {
  border-radius: var(--radius-lg);
  background: var(--white);
  border: 1px solid var(--divider);
  overflow: hidden;
  transition: box-shadow 0.3s, transform 0.3s;
}
.insight-card a.insight-card-link {
  display: flex;
  flex-direction: column;
  text-decoration: none;
  color: inherit;
  height: 100%;
}
.insight-card:hover { box-shadow: 0 12px 40px rgba(0,0,0,0.09); transform: translateY(-3px); cursor: pointer; }

.insight-img {
  position: relative;
  aspect-ratio: 16/9;
  overflow: hidden;
  background: var(--forest-mid);
}
.insight-img-sm { aspect-ratio: 3/2; }
.insight-img img {
  width: 100%; height: 100%;
  object-fit: cover;
  transition: transform 0.5s var(--ease-out);
}
.insight-card:hover .insight-img img { transform: scale(1.04); }

.insight-tag-img {
  position: absolute;
  top: 14px; left: 14px;
  font-size: 10px;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  background: var(--gold);
  color: var(--forest-deep);
  padding: 3px 10px;
  border-radius: 20px;
}

.insight-body {
  padding: 24px;
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.insight-cat {
  font-size: 10px;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--gold);
}
.insight-body h3 {
  font-family: var(--font-display);
  font-size: 1.1rem;
  font-weight: 600;
  line-height: 1.35;
  color: var(--ink);
}
.insight-featured .insight-body h3 { font-size: 1.3rem; }
.insight-body p {
  font-size: 13.5px;
  line-height: 1.65;
  color: var(--ink-mid);
}
.insight-read {
  font-size: 13px;
  font-weight: 500;
  color: var(--forest);
  margin-top: 6px;
  display: inline-block;
  transition: gap 0.2s, letter-spacing 0.2s;
}
.insight-card:hover .insight-read { letter-spacing: 0.03em; }

/* ── CTA SECTION ───────────────────────────────────────── */
.cta-section {
  position: relative;
  padding: clamp(64px, 10vw, 120px) 0;
  background: var(--forest-deep);
  overflow: hidden;
}
.cta-bg {
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse at 30% 60%, rgba(26,61,43,0.8) 0%, transparent 70%),
              radial-gradient(ellipse at 80% 20%, rgba(200,169,110,0.08) 0%, transparent 60%);
}
.cta-inner {
  position: relative;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(48px, 6vw, 80px);
  align-items: center;
}
.cta-text {
  display: flex;
  flex-direction: column;
  gap: 20px;
}
.cta-title {
  font-family: var(--font-display);
  font-size: clamp(2rem, 3.5vw, 3rem);
  font-weight: 400;
  line-height: 1.15;
  color: var(--white);
}
.cta-body {
  font-size: 15px;
  line-height: 1.7;
  color: rgba(255,255,255,0.65);
  max-width: 400px;
}
.cta-contact-options {
  display: flex;
  flex-direction: column;
  gap: 12px;
}
.contact-option {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 14px;
  color: rgba(255,255,255,0.6);
}
.contact-option svg { color: var(--gold); flex-shrink: 0; }

.cta-form-wrap {
  background: rgba(255,255,255,0.04);
  border: 1px solid rgba(255,255,255,0.1);
  border-radius: var(--radius-lg);
  padding: clamp(28px, 4vw, 44px);
  backdrop-filter: blur(12px);
}
.cta-form { display: flex; flex-direction: column; gap: 16px; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.form-field { display: flex; flex-direction: column; gap: 6px; }
.form-field label {
  font-size: 12px;
  font-weight: 500;
  color: rgba(255,255,255,0.6);
  letter-spacing: 0.02em;
}
.form-field label span { color: var(--gold); }
.form-field input,
.form-field select,
.form-field textarea {
  background: rgba(255,255,255,0.07);
  border: 1px solid rgba(255,255,255,0.12);
  border-radius: var(--radius-sm);
  padding: 11px 14px;
  font-size: 14px;
  color: var(--white);
  outline: none;
  transition: border-color 0.2s, background 0.2s;
  width: 100%;
  resize: vertical;
}
.form-field input::placeholder,
.form-field textarea::placeholder { color: rgba(255,255,255,0.25); }
.form-field select option { background: var(--forest-deep); color: var(--white); }
.form-field input:focus,
.form-field select:focus,
.form-field textarea:focus {
  border-color: var(--gold);
  background: rgba(255,255,255,0.1);
}
.form-note {
  font-size: 11.5px;
  color: rgba(255,255,255,0.35);
  text-align: center;
  line-height: 1.5;
}

/* ── FOOTER ────────────────────────────────────────────── */
.site-footer {
  background: var(--forest-deep);
  border-top: 1px solid rgba(255,255,255,0.06);
  padding: clamp(48px, 7vw, 80px) 0 0;
}
.footer-top {
  display: grid;
  grid-template-columns: 1fr 2fr;
  gap: clamp(40px, 6vw, 80px);
  padding-bottom: 48px;
  border-bottom: 1px solid rgba(255,255,255,0.06);
}
.footer-brand { display: flex; flex-direction: column; gap: 16px; }
.footer-logo { margin-bottom: 4px; }
.footer-tagline {
  font-size: 13px;
  line-height: 1.7;
  color: rgba(255,255,255,0.45);
}
.footer-socials { display: flex; gap: 8px; margin-top: 8px; }
.social-link {
  width: 36px; height: 36px;
  border: 1px solid rgba(255,255,255,0.12);
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  font-size: 12px;
  font-weight: 600;
  color: rgba(255,255,255,0.5);
  transition: border-color 0.2s, color 0.2s;
}
.social-link:hover { border-color: var(--gold); color: var(--gold); }

.footer-nav { display: grid; grid-template-columns: repeat(3, 1fr); gap: 32px; }
.fn-col { display: flex; flex-direction: column; gap: 12px; }
.fn-head {
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: rgba(255,255,255,0.4);
  margin-bottom: 4px;
}
.fn-col a {
  font-size: 14px;
  color: rgba(255,255,255,0.55);
  transition: color 0.2s;
}
.fn-col a:hover { color: var(--gold); }

.footer-bottom {
  padding: 24px 0;
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 8px;
}
.footer-bottom p {
  font-size: 12px;
  color: rgba(255,255,255,0.25);
}

/* ═══════════════════════════════════════════════════════════
   RESPONSIVE — TABLET  (max 1024px)
═══════════════════════════════════════════════════════════ */
@media (max-width: 1024px) {
  .pain-grid { grid-template-columns: 1fr 1fr; }
  .pain-card:last-child { grid-column: span 2; }
  .service-tracks { grid-template-columns: 1fr; }
  .process-steps {
    grid-template-columns: 1fr 1fr;
    gap: 40px;
  }
  .process-step:nth-child(odd) { padding-left: 0; }
  .process-step:nth-child(even) { padding-right: 0; }
  .step-line { display: none; }
  .testimonials-grid {
    grid-template-columns: 1fr 1fr;
  }
  .testi-featured { grid-column: span 2; }
  .insights-grid { grid-template-columns: 1fr 1fr; }
  .insight-featured { grid-column: span 2; }
  .cta-inner { grid-template-columns: 1fr; gap: 48px; }
  .footer-top { grid-template-columns: 1fr; }
  .field-inner { grid-template-columns: 1fr; }
  .field-text {
    padding: clamp(48px, 8vw, 80px) var(--gutter);
  }
  .gallery-grid { min-height: 360px; }
}

/* ═══════════════════════════════════════════════════════════
   RESPONSIVE — MOBILE  (max 768px)
═══════════════════════════════════════════════════════════ */
@media (max-width: 768px) {
  :root { --nav-h: 60px; }

  .br-mobile { display: block; }

  /* Nav */
  .nav-links, .nav-actions { display: none; }
  .hamburger { display: flex; }

  /* Mobile menu open */
  .nav-links.nav-open {
    display: flex;
    flex-direction: column;
    position: fixed;
    top: var(--nav-h);
    left: 0; right: 0;
    background: var(--forest-deep);
    padding: 20px 24px 32px;
    gap: 4px;
    border-bottom: 1px solid rgba(255,255,255,0.08);
    z-index: 190;
    animation: slideDown 0.3s var(--ease-out);
  }
  @keyframes slideDown {
    from { opacity: 0; transform: translateY(-10px); }
    to   { opacity: 1; transform: translateY(0); }
  }
  .nav-links.nav-open .nav-item > a {
    font-size: 16px;
    padding: 12px 8px;
    color: rgba(255,255,255,0.85);
    display: block;
    border-bottom: 1px solid rgba(255,255,255,0.04);
  }
  .nav-links.nav-open .dropdown { display: none; }
  .nav-links.nav-open + .nav-actions {
    display: none;
  }

  /* Mobile lang + book row */
  .mobile-lang-row {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 16px 8px 4px;
    border-top: 1px solid rgba(255,255,255,0.1);
    margin-top: 8px;
  }
  .mobile-lang-row .lang-toggle-btn {
    color: rgba(255,255,255,0.8);
    border-color: rgba(255,255,255,0.25);
    background: rgba(255,255,255,0.07);
    font-size: 13px;
    padding: 8px 14px;
    flex-shrink: 0;
  }
  .mobile-lang-row .btn-gold {
    font-size: 13px;
    padding: 10px 0;
    flex: 1;
    text-align: center;
    border-radius: var(--radius-md);
  }

  /* Mobile submenu toggle */
  .nav-links.nav-open .nav-item.has-dropdown > a::after {
    content: ' ›';
    float: right;
    color: var(--gold);
    transition: transform 0.2s;
    display: inline-block;
  }
  .nav-links.nav-open .nav-item.has-dropdown.mobile-open > a::after {
    transform: rotate(90deg);
  }
  .nav-links.nav-open .nav-item.has-dropdown.mobile-open .dropdown {
    display: flex !important;
    flex-direction: column;
    background: rgba(255,255,255,0.04);
    border-radius: var(--radius-sm);
    padding: 4px 0;
    margin: 0 0 4px;
  }
  .nav-links.nav-open .nav-item.has-dropdown.mobile-open .dropdown li a {
    padding: 10px 20px;
    font-size: 14px;
    color: rgba(255,255,255,0.65);
    border-bottom: none;
  }

  /* Hero: stack panels vertically */
  .hero { height: auto; min-height: 100dvh; }
  .hero-panels { flex-direction: column; }
  .hero-panel { flex: none; height: 33.33dvh; min-height: 220px; }
  .hero-panel:hover { flex: none; }
  .panel-desc, .panel-cta { opacity: 1; transform: none; }
  .panel-bg { transform: none !important; }
  .hero-panel + .hero-panel::before {
    top: 0; bottom: auto;
    left: 15%; right: 15%;
    width: auto; height: 1px;
  }
  .hero-eyebrow { display: none; }
  .hero-scroll-hint { display: none; }

  /* Trust */
  .trust-items { flex-wrap: wrap; }
  .trust-item { flex: calc(50% - 1px); padding: 16px 20px; }
  .trust-divider { display: none; }

  /* Pain */
  .pain-grid { grid-template-columns: 1fr; }
  .pain-card:last-child { grid-column: span 1; }

  /* Process */
  .process-steps { grid-template-columns: 1fr; gap: 32px; }
  .process-step { padding: 0 !important; }
  .step-visual { gap: 16px; }
  .step-circle { width: 44px; height: 44px; }

  /* Field */
  .gallery-grid {
    grid-template-columns: 1fr 1fr;
    grid-template-rows: auto auto;
    min-height: 280px;
  }
  .gi-tall { grid-row: span 1; }

  /* Testimonials */
  .testimonials-grid { grid-template-columns: 1fr; }
  .testi-featured { grid-column: span 1; }

  /* Insights */
  .insights-header { flex-direction: column; align-items: flex-start; }
  .insights-grid { grid-template-columns: 1fr; }
  .insight-featured { grid-column: span 1; }

  /* CTA form */
  .form-row { grid-template-columns: 1fr; }

  /* Footer */
  .footer-nav { grid-template-columns: 1fr 1fr; }
  .footer-bottom { flex-direction: column; }
}

@media (max-width: 480px) {
  .trust-item { flex: 100%; }
  .footer-nav { grid-template-columns: 1fr; }
}

/* ── SCROLL ANIMATIONS (opt-in) ─────────────────────────── */
.fade-up {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.6s var(--ease-out), transform 0.6s var(--ease-out);
}
.fade-up.visible {
  opacity: 1;
  transform: translateY(0);
}
.fade-up:nth-child(2) { transition-delay: 0.1s; }
.fade-up:nth-child(3) { transition-delay: 0.2s; }
.fade-up:nth-child(4) { transition-delay: 0.3s; }

/* ── LOGO IMAGE ──────────────────────────────────────────── */
.logo-img {
  height: 40px;
  width: auto;
  display: block;
  border-radius: 4px;
  /* 原图是浅色背景，用 mix-blend-mode 融入深色导航栏 */
  mix-blend-mode: lighten;
  filter: brightness(1.1);
}
.logo-img-footer {
  height: 44px;
  mix-blend-mode: normal;
  filter: brightness(0.92);
  border-radius: 6px;
}

/* ── PROCESS STEP SLIDE ANIMATION ───────────────────────── */
.step-slide {
  opacity: 0;
  transform: translateX(-40px);
  transition: opacity 0.6s var(--ease-out), transform 0.6s var(--ease-out);
}
.step-slide.slide-in {
  opacity: 1;
  transform: translateX(0);
}
.step-slide[data-step="1"] { transition-delay: 0.15s; }
.step-slide[data-step="2"] { transition-delay: 0.30s; }
.step-slide[data-step="3"] { transition-delay: 0.45s; }

@media (prefers-reduced-motion: reduce) {
  .step-slide {
    opacity: 1;
    transform: none;
    transition: none;
  }
}

/* ── LOGO SVG MARK ───────────────────────────────────────── */
.logo-mark-svg {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  flex-shrink: 0;
}

/* ── LOGO ICON IMAGE ──────────────────────────────────────── */
.logo-icon-img {
  width: 42px;
  height: 42px;
  object-fit: cover;
  /* 裁切只显示左半部分（图标区域） */
  object-position: 15% center;
  border-radius: 4px;
  /* multiply 模式：白色背景变透明，只剩金色图标 */
  mix-blend-mode: multiply;
  filter: brightness(1.15) contrast(1.05);
}
/* 导航栏深色背景下用 screen 模式更清晰 */
.nav-wrapper .logo-icon-img {
  mix-blend-mode: screen;
  filter: brightness(0.9);
}

/* ── FULL LOGO IMAGE ─────────────────────────────────────── */
.logo-full-img {
  height: 36px;
  width: auto;
  display: block;
  /* Logo 文字是深海军蓝色，在深色导航栏上需要反色 */
  filter: brightness(0) invert(1);
}
.logo-full-img-footer {
  height: 40px;
  /* Footer 背景也是深色，同样反色 */
  filter: brightness(0) invert(1);
}

/* ── LOGO ICON (left mark only) ──────────────────────────── */
.logo-icon-img {
  height: 34px;
  /* 原图是正方形，图标在左半边，裁切显示左半部分 */
  width: 34px;
  object-fit: cover;
  object-position: 20% center;
  border-radius: 4px;
  flex-shrink: 0;
}

/* ── LOGO ICON CROPPED ───────────────────────────────────── */
.logo-icon-img {
  height: 34px;
  width: 34px;
  object-fit: cover;
  border-radius: 6px;
  flex-shrink: 0;
  background: transparent;
}

/* ── FOOTER NAV PLAIN TEXT (no-link spans) ───────────────── */
.fn-col span:not(.fn-head) {
  font-size: 14px;
  color: rgba(255,255,255,0.55);
}

/* ── STUDY TOUR CTA CAMPS ────────────────────────────────── */
.st-cta-camps {
  display: flex;
  gap: 12px;
  justify-content: center;
  flex-wrap: wrap;
  margin-bottom: 36px;
}
.st-cta-camp {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 4px;
  background: rgba(255,255,255,0.07);
  border: 1px solid rgba(255,255,255,0.12);
  border-radius: var(--radius-md);
  padding: 16px 24px;
  min-width: 120px;
  transition: background 0.2s;
}
.st-cta-camp:hover { background: rgba(255,255,255,0.11); }
.st-cta-camp-icon { font-size: 1.4rem; line-height: 1; }
.st-cta-camp-name {
  font-size: 14px;
  font-weight: 600;
  color: var(--white);
}
.st-cta-camp-date {
  font-size: 11px;
  color: rgba(255,255,255,0.45);
  letter-spacing: 0.04em;
}

/* ── ANCHOR SCROLL OFFSET (fixed nav compensation) ───────── */
[id] {
  scroll-margin-top: calc(var(--nav-h) + 32px);
}

/* ── FOOTER NAV LINKS (now with hrefs) ───────────────────── */
.fn-col a {
  font-size: 14px;
  color: rgba(255,255,255,0.55);
  text-decoration: none;
  transition: color 0.18s;
}
.fn-col a:hover { color: var(--gold); }

/* ── LANG BUTTON (navbar, shows on all screen sizes) ── */
.mobile-nav-lang {
  display: flex;
  color: rgba(255,255,255,0.85);
  border-color: rgba(255,255,255,0.25);
  background: rgba(255,255,255,0.08);
  font-size: 12px;
  padding: 5px 10px;
  margin-right: 4px;
}
.scrolled .mobile-nav-lang {
  color: rgba(255,255,255,0.85);
  border-color: rgba(255,255,255,0.2);
}
@media (max-width: 1024px) {
  .mobile-lang-row { display: none; }
  .nav-actions .lang-toggle-btn:not(.mobile-nav-lang) { display: none; }
}