/* =========================================================
   DESIGN TOKENS — Apple Design Language
   ========================================================= */
:root {
  /* Core palette */
  --color-bg: #ffffff;
  --color-navy: #1d1d1f;          /* Apple near-black */
  --color-accent: #0071e3;        /* Apple blue (on light) */
  --color-accent-dark: #2997ff;   /* Apple blue (on dark) */
  --color-surface: #f5f5f7;       /* Apple light gray */
  --color-surface-2: #fbfbfd;     /* Slightly off-white panels */
  --color-muted: #6e6e73;         /* Apple secondary text */
  --color-muted-dark: #a1a1a6;    /* Secondary text on dark */
  --color-border: #d2d2d7;        /* Apple divider on light */
  --color-border-dark: #424245;   /* Apple divider on dark */
  --color-dark: #000000;          /* Pure black sections */
  --color-dark-2: #1d1d1f;        /* Softer dark surfaces */

  /* Font — SF Pro on Apple devices, Helvetica Neue on others */
  --font: -apple-system, BlinkMacSystemFont, "SF Pro Display", "SF Pro Text",
          "Helvetica Neue", Arial, sans-serif;

  --space-1: 8px;
  --space-2: 16px;
  --space-3: 24px;
  --space-4: 32px;
  --space-6: 48px;
  --space-8: 64px;
  --space-12: 96px;

  --radius-sm: 4px;
  --radius-md: 12px;
  --radius-lg: 18px;
  --radius-xl: 22px;
  --radius-full: 9999px;

  --max-w: 1200px;
  --transition: 0.5s ease;
}

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

html {
  scroll-behavior: smooth;
  scroll-snap-type: y mandatory;
}

body {
  font-family: var(--font);
  background: var(--color-bg);
  color: var(--color-navy);
  font-size: 17px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

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

.container {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0 var(--space-4);
}

/* =========================================================
   SCROLL PROGRESS BAR
   ========================================================= */
.scroll-progress {
  position: fixed;
  top: 0; left: 0;
  height: 3px;
  width: 0%;
  background: linear-gradient(90deg, var(--color-accent), #5ba3f5);
  z-index: 200;
  transition: width 0.1s linear;
  border-radius: 0 2px 2px 0;
}

/* =========================================================
   SCROLL ANIMATIONS — GSAP controls opacity/visibility
   ========================================================= */
/* No CSS opacity here — GSAP autoAlpha handles initial hide/show */

/* =========================================================
   CUSTOM CURSOR — dot + lagging ring
   ========================================================= */
@media (pointer: fine) {
  body, a, button, [role="button"], input, select, textarea, label {
    cursor: none !important;
  }
  .cursor-dot {
    position: fixed;
    top: 0; left: 0;
    width: 7px; height: 7px;
    background: var(--color-accent);
    border-radius: 50%;
    pointer-events: none;
    z-index: 9999;
    transform: translate(-50%, -50%);
    transition: width 0.15s, height 0.15s, background 0.15s, opacity 0.2s;
    will-change: transform;
  }
  .cursor-ring {
    position: fixed;
    top: 0; left: 0;
    width: 36px; height: 36px;
    border: 1.5px solid rgba(0, 113, 227, 0.45);
    border-radius: 50%;
    pointer-events: none;
    z-index: 9998;
    transform: translate(-50%, -50%);
    transition: width 0.25s cubic-bezier(0.22,1,0.36,1),
                height 0.25s cubic-bezier(0.22,1,0.36,1),
                border-color 0.25s,
                opacity 0.3s;
    will-change: transform;
  }
  /* Hover state — ring expands */
  body.c-hover .cursor-dot  { width: 5px; height: 5px; background: var(--color-accent-dark); }
  body.c-hover .cursor-ring { width: 54px; height: 54px; border-color: rgba(41,151,255,0.7); }
  /* Click state */
  body.c-click .cursor-ring { width: 20px; height: 20px; border-color: rgba(41,151,255,0.9); }
  /* Text state — flattened pill */
  body.c-text  .cursor-ring { width: 3px; height: 28px; border-radius: 2px; border-color: var(--color-accent); }
  /* Hidden outside window */
  body.c-out .cursor-dot,
  body.c-out .cursor-ring   { opacity: 0; }
}

/* =========================================================
   KEYFRAME ANIMATIONS
   ========================================================= */
@keyframes float {
  0%, 100% { transform: translateY(0px); }
  50%       { transform: translateY(-6px); }
}
@keyframes pulse-ring {
  0%   { box-shadow: 0 0 0 0 rgba(0,113,227,0.3); }
  70%  { box-shadow: 0 0 0 10px rgba(0,113,227,0); }
  100% { box-shadow: 0 0 0 0 rgba(0,113,227,0); }
}
@keyframes shimmer {
  0%   { background-position: -400px 0; }
  100% { background-position: 400px 0; }
}
@keyframes spin-once {
  from { transform: rotate(0deg); }
  to   { transform: rotate(360deg); }
}
@keyframes badge-pop {
  0%   { transform: scale(0.8); opacity: 0; }
  70%  { transform: scale(1.05); }
  100% { transform: scale(1); opacity: 1; }
}

/* =========================================================
   NAVIGATION — Apple translucent black bar
   ========================================================= */
.nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  background: rgba(0, 0, 0, 0.72);
  backdrop-filter: saturate(180%) blur(20px);
  -webkit-backdrop-filter: saturate(180%) blur(20px);
  border-bottom: 1px solid rgba(255,255,255,0.08);
  transition: background 0.3s;
}
.nav.scrolled {
  background: rgba(0, 0, 0, 0.85);
}
.nav__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 52px;
}
.nav__logo {
  font-size: 17px;
  font-weight: 600;
  color: rgba(255,255,255,0.88);
  letter-spacing: -0.3px;
}
.nav__logo span { color: var(--color-accent-dark); }
.nav__links {
  display: flex;
  gap: var(--space-4);
  align-items: center;
}
.nav__links a {
  font-size: 13px;
  font-weight: 400;
  color: rgba(255,255,255,0.72);
  transition: color 0.2s;
  letter-spacing: -0.01em;
}
.nav__links a:hover,
.nav__links a.active { color: rgba(255,255,255,0.95); }
.nav__links a::after { display: none; }
.nav__cta {
  background: var(--color-accent) !important;
  color: #fff !important;
  padding: 7px 16px !important;
  border-radius: var(--radius-full) !important;
  font-weight: 500 !important;
  font-size: 13px !important;
  transition: opacity 0.2s !important;
}
.nav__cta:hover { opacity: 0.85 !important; }

.nav__burger {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  padding: var(--space-1);
  background: none;
  border: none;
}
.nav__burger span {
  display: block;
  width: 24px;
  height: 1.5px;
  background: rgba(255,255,255,0.85);
  border-radius: 2px;
  transition: transform 0.3s, opacity 0.3s;
}
.nav__burger.open span:nth-child(1) { transform: rotate(45deg) translate(4.5px, 4.5px); }
.nav__burger.open span:nth-child(2) { opacity: 0; }
.nav__burger.open span:nth-child(3) { transform: rotate(-45deg) translate(4.5px, -4.5px); }

.nav__drawer {
  display: none;
  flex-direction: column;
  gap: 0;
  background: rgba(0,0,0,0.92);
  border-top: 1px solid rgba(255,255,255,0.1);
}
.nav__drawer a {
  font-size: 15px;
  font-weight: 400;
  color: rgba(255,255,255,0.75);
  padding: 14px var(--space-4);
  border-bottom: 1px solid rgba(255,255,255,0.06);
  transition: color 0.2s;
}
.nav__drawer a:hover { color: #fff; }
.nav__drawer.open { display: flex; }

/* =========================================================
   HERO — Apple cinematic centered
   ========================================================= */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding-top: 52px;
  scroll-snap-align: start;
  background: var(--color-dark);
  position: relative;
  overflow: hidden;
}
.hero__video-wrap {
  position: absolute;
  inset: 0;
  z-index: 0;
  /* Fallback: Coffee garden in Vietnam highlands — shows if video fails to load */
  background: url('https://images.pexels.com/photos/27777801/pexels-photo-27777801.jpeg?auto=compress&cs=tinysrgb&w=1400') center/cover no-repeat;
}
.hero__video {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}
.hero__overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(0,0,0,0.5) 0%, rgba(0,0,0,0.7) 65%, rgba(0,0,0,0.88) 100%);
}
/* 3D particle canvas — sits above overlay, below content */
.hero__canvas {
  font-size: clamp(28px, 5vw, 44px);
  inset: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
  z-index: 1;
  opacity: 0.7;
}
.hero__inner--centered .hero__actions { justify-content: center; }
.hero__inner--centered .hero__stats { justify-content: center; }
.hero__inner--centered .hero__sub { margin-left: auto; margin-right: auto; }

.hero__tag {
  display: inline-flex;
  align-items: center;
  gap: var(--space-1);
  background: rgba(255,255,255,0.1);
  border: 1px solid rgba(255,255,255,0.18);
  border-radius: var(--radius-full);
  padding: 5px 16px;
  font-size: 12px;
  font-weight: 500;
  color: rgba(255,255,255,0.65);
  letter-spacing: 0.01em;
  margin-bottom: var(--space-4);
  animation: badge-pop 0.6s cubic-bezier(0.22,1,0.36,1) 0.3s both;
}
.hero__tag-dot {
  display: inline-block;
  width: 6px; height: 6px;
  background: var(--color-accent-dark);
  border-radius: 50%;
  animation: pulse-ring 2s ease-out infinite;
}
.hero__h1 {
  font-size: clamp(40px, 6.5vw, 80px);
  font-weight: 700;
  line-height: 1.06;
  letter-spacing: -0.025em;
  color: #f5f5f7;
  margin-bottom: var(--space-3);
}
.hero__h1 .accent { color: var(--color-accent-dark); }
.hero__sub {
  font-size: clamp(17px, 1.8vw, 21px);
  color: rgba(255,255,255,0.55);
  max-width: 620px;
  line-height: 1.6;
  margin-bottom: var(--space-6);
  font-weight: 300;
}
.hero__actions {
  display: flex;
  gap: var(--space-2);
  align-items: center;
  flex-wrap: wrap;
  margin-top: var(--space-4);
}
.hero__stats {
  display: flex;
  align-items: center;
  gap: var(--space-6);
  margin-top: var(--space-8);
  padding-top: var(--space-4);
  border-top: 1px solid rgba(255,255,255,0.1);
}
.hero__stat { display: flex; flex-direction: column; gap: 4px; }
.hero__stat-val {
  font-size: 22px;
  font-weight: 600;
  color: #f5f5f7;
  letter-spacing: -0.02em;
}
.hero__stat-label {
  font-size: 12px;
  color: rgba(255,255,255,0.4);
  font-weight: 400;
}
.hero__stat-divider { width: 1px; height: 30px; background: rgba(255,255,255,0.1); }
.hero__scroll-cue {
  position: absolute;
  bottom: var(--space-6);
  left: 50%;
  transform: translateX(-50%);
  z-index: 1;
  color: rgba(255,255,255,0.35);
  animation: float 2.5s ease-in-out infinite;
  transition: color 0.2s;
}
.hero__scroll-cue:hover { color: rgba(255,255,255,0.6); }

/* =========================================================
   TRUST STRIP — Apple-style dark credentials bar
   ========================================================= */
.trust-strip {
  background: var(--color-dark-2);
  border-bottom: 1px solid var(--color-border-dark);
  padding: 18px 0;
}
.trust-strip__inner {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-8);
  flex-wrap: wrap;
}
.trust-strip__label {
  font-size: 12px;
  font-weight: 500;
  color: rgba(255,255,255,0.3);
  white-space: nowrap;
  flex-shrink: 0;
  letter-spacing: 0.02em;
}
.trust-strip__items {
  display: flex;
  gap: var(--space-6);
  flex-wrap: wrap;
  align-items: center;
}
.trust-item {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 13px;
  font-weight: 500;
  color: rgba(255,255,255,0.55);
  white-space: nowrap;
}
.trust-item svg { stroke: var(--color-accent-dark); flex-shrink: 0; }

/* =========================================================
   BUTTONS — Apple pill style
   ========================================================= */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 12px 24px;
  border-radius: var(--radius-full);
  font-size: 15px;
  font-weight: 400;
  font-family: var(--font);
  cursor: pointer;
  border: none;
  transition: opacity 0.2s;
  text-decoration: none;
  letter-spacing: -0.01em;
}
.btn:active { opacity: 0.75; }
.btn--primary {
  background: var(--color-accent);
  color: #fff;
}
.btn--primary:hover { opacity: 0.85; }
.btn--ghost {
  background: transparent;
  color: var(--color-navy);
  border: 1px solid var(--color-border);
}
.btn--ghost:hover { border-color: #888; }
.btn--text-light {
  background: transparent;
  color: rgba(255,255,255,0.8);
  padding: 12px 4px;
  font-weight: 400;
  border: none;
}
.btn--text-light:hover { color: #fff; }
.btn--text {
  background: transparent;
  color: var(--color-accent);
  padding: 0;
  font-weight: 400;
  border: none;
  font-size: 14px;
}
.btn--text:hover { text-decoration: underline; }

/* =========================================================
   SECTION BASE — Apple large-space layout
   ========================================================= */
.section {
  min-height: calc(100vh - 52px);
  padding: 60px 0;
  display: flex;
  flex-direction: column;
  justify-content: center;
  scroll-snap-align: start;
  scroll-margin-top: 52px;
}
.section > .container { width: 100%; }
.section--dark > .container,
.contact > .container { width: 100%; }
.section--surface { background: var(--color-surface); }
.section--navy { background: var(--color-dark-2); color: #f5f5f7; }

.section__label {
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.01em;
  color: var(--color-accent);
  margin-bottom: var(--space-2);
  display: block;
}
.section__label--light { color: var(--color-accent-dark); }
.section__heading {
  font-size: clamp(32px, 4.5vw, 56px);
  font-weight: 700;
  letter-spacing: -0.025em;
  line-height: 1.07;
  color: var(--color-navy);
  margin-bottom: var(--space-3);
}
.section--navy .section__heading { color: #f5f5f7; }
.section__heading--light { color: #f5f5f7; }
.section__sub {
  font-size: 19px;
  color: var(--color-muted);
  max-width: 600px;
  line-height: 1.6;
  font-weight: 300;
}
.section--navy .section__sub { color: var(--color-muted-dark); }
.section__sub--light { color: var(--color-muted-dark); font-weight: 300; }

/* =========================================================
   ABOUT
   ========================================================= */
.about__layout {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-8);
  align-items: center;
  margin-bottom: var(--space-8);
}
.about__text { }
.about__pillars {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
  margin-top: var(--space-6);
}
.about__pillar {
  display: flex;
  align-items: flex-start;
  gap: var(--space-3);
}
.about__pillar-icon {
  width: 40px; height: 40px;
  background: rgba(0,113,227,0.08);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  margin-top: 2px;
}
.about__pillar-icon svg { stroke: var(--color-accent); }
.about__pillar strong { display: block; font-size: 16px; font-weight: 600; color: var(--color-navy); margin-bottom: 3px; letter-spacing: -0.01em; }
.about__pillar p { font-size: 15px; color: var(--color-muted); line-height: 1.6; margin: 0; font-weight: 300; }
.about__image-col { }
.about__image-frame {
  position: relative;
  border-radius: var(--radius-xl);
  overflow: hidden;
}
.about__image-frame img {
  width: 100%;
  height: 520px;
  object-fit: cover;
  display: block;
  transition: transform 0.7s ease;
}
.about__image-frame:hover img { transform: scale(1.04); }
.about__image-badge {
  position: absolute;
  bottom: var(--space-3);
  left: var(--space-3);
  display: flex;
  align-items: center;
  gap: var(--space-2);
  background: rgba(0,0,0,0.72);
  backdrop-filter: saturate(180%) blur(12px);
  -webkit-backdrop-filter: saturate(180%) blur(12px);
  border: 1px solid rgba(255,255,255,0.15);
  border-radius: var(--radius-lg);
  padding: var(--space-2) var(--space-3);
}
.about__image-badge-icon {
  width: 34px; height: 34px;
  background: var(--color-accent);
  border-radius: var(--radius-sm);
  display: flex; align-items: center; justify-content: center;
  flex-shrink: 0;
}
.about__image-badge-icon svg { stroke: #fff; }
.about__image-badge strong { display: block; font-size: 13px; font-weight: 700; color: #fff; }
.about__image-badge span { font-size: 11px; color: rgba(255,255,255,0.5); }

/* Mission / Vision cards — Apple clean tiles */
.mission-vision {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-3);
}
.mv-card {
  background: var(--color-surface);
  border-radius: var(--radius-xl);
  padding: var(--space-6) var(--space-8);
}
.mv-card--accent {
  background: var(--color-dark-2);
}
.mv-card__label {
  font-size: 13px;
  font-weight: 600;
  color: var(--color-accent);
  margin-bottom: var(--space-2);
  letter-spacing: 0.01em;
}
.mv-card--accent .mv-card__label { color: var(--color-accent-dark); }
.mv-card__heading {
  font-size: 22px;
  font-weight: 700;
  color: var(--color-navy);
  margin-bottom: var(--space-2);
  line-height: 1.25;
  letter-spacing: -0.02em;
}
.mv-card--accent .mv-card__heading { color: #f5f5f7; }
.mv-card__body {
  font-size: 16px;
  color: var(--color-muted);
  line-height: 1.7;
  font-weight: 300;
}
.mv-card--accent .mv-card__body { color: var(--color-muted-dark); }

/* =========================================================
   SERVICES
   ========================================================= */
.services__cards {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-3);
  margin-top: var(--space-8);
}
.service-card {
  background: var(--color-surface);
  border-radius: var(--radius-xl);
  padding: var(--space-6);
  transition: transform 0.35s cubic-bezier(0.22,1,0.36,1), box-shadow 0.35s ease;
  cursor: default;
  will-change: transform;
  position: relative;
  display: flex;
  flex-direction: column;
}
.service-card:hover {
  transform: scale(1.015);
  box-shadow: 0 16px 40px rgba(0,0,0,0.08);
}
.service-card__num {
  font-size: 13px;
  font-weight: 600;
  color: var(--color-muted);
  margin-bottom: var(--space-2);
  font-variant-numeric: tabular-nums;
  letter-spacing: 0.02em;
}
.service-card__icon {
  width: 48px; height: 48px;
  background: rgba(0,113,227,0.1);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: var(--space-3);
  transition: background 0.3s;
}
.service-card:hover .service-card__icon { background: rgba(0,113,227,0.16); }
.service-card__icon svg { width: 22px; height: 22px; stroke: var(--color-accent); }

/* =========================================================
   STATS BAR (legacy, kept for compatibility)
   ========================================================= */
.stats-bar {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  background: var(--color-border);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  overflow: hidden;
  margin-top: var(--space-8);
}
.stat-item {
  background: var(--color-bg);
  padding: var(--space-4) var(--space-6);
  text-align: center;
}
.stat-item__value {
  font-size: 40px;
  font-weight: 700;
  color: var(--color-navy);
  line-height: 1;
  letter-spacing: -1.5px;
  font-variant-numeric: tabular-nums;
}
.stat-item__value span { color: var(--color-accent); }
.stat-item__label {
  font-size: 13px;
  color: var(--color-muted);
  margin-top: 6px;
  font-weight: 500;
}

/* =========================================================
   DARK SECTION — Apple pure-black
   ========================================================= */
.section--dark {
  position: relative;
  background: var(--color-dark);
  min-height: calc(100vh - 52px);
  padding: 60px 0;
  display: flex;
  flex-direction: column;
  justify-content: center;
  overflow: hidden;
}
/* Mouse spotlight overlay */
.section--dark::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(700px circle at var(--mx, 50%) var(--my, 50%),
    rgba(41, 151, 255, 0.06) 0%,
    rgba(41, 151, 255, 0.02) 30%,
    transparent 60%);
  pointer-events: none;
  z-index: 1;
  opacity: 0;
  transition: opacity 0.4s ease;
}
.section--dark:hover::before { opacity: 1; }
.section--dark > * { position: relative; z-index: 2; }
.section__label--light { color: var(--color-accent-dark); }
.section__heading--light { color: #f5f5f7; }
.section__sub--light { color: var(--color-muted-dark); }

/* =========================================================
   VIDEO SECTION
   ========================================================= */
.video-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-4);
  margin-top: var(--space-8);
}
.video-card {
  background: #111;
  border-radius: var(--radius-xl);
  overflow: hidden;
  transition: transform 0.35s cubic-bezier(0.22,1,0.36,1);
}
.video-card:hover {
  transform: scale(1.015);
}
.video-card__frame {
  position: relative;
  padding-bottom: 56.25%; /* 16:9 */
  height: 0;
  overflow: hidden;
  background: var(--color-dark);
}
.video-card__frame iframe {
  position: absolute;
  top: 0; left: 0;
  width: 100%;
  height: 100%;
  border: 0;
  display: block;
}

/* Facade (thumbnail + play button state) */
.video-facade__thumb {
  position: absolute;
  top: 0; left: 0;
  width: 100%; height: 100%;
  object-fit: cover;
  display: block;
  transition: transform 0.4s ease, opacity 0.3s;
}
.video-facade__overlay {
  position: absolute;
  inset: 0;
  background: rgba(0,0,0,0.3);
  transition: background 0.3s;
}
.video-facade:hover .video-facade__overlay {
  background: rgba(0,0,0,0.15);
}
.video-facade:hover .video-facade__thumb {
  transform: scale(1.04);
}
.video-facade__play {
  position: absolute;
  top: 50%; left: 50%;
  transform: translate(-50%, -50%);
  z-index: 2;
  width: 72px; height: 72px;
  background: rgba(255,255,255,0.2);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  border: 1.5px solid rgba(255,255,255,0.5);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  cursor: pointer;
  transition: transform 0.2s cubic-bezier(0.22,1,0.36,1), background 0.2s;
  padding-left: 4px;
}
.video-facade:hover .video-facade__play {
  transform: translate(-50%, -50%) scale(1.1);
  background: rgba(0,113,227,0.85);
  border-color: transparent;
}
.video-facade.playing .video-facade__thumb,
.video-facade.playing .video-facade__overlay,
.video-facade.playing .video-facade__play,
.video-facade.playing .video-card__badge {
  display: none;
}
/* Channel badge */
.video-card__badge {
  position: absolute;
  top: 12px; right: 12px;
  background: rgba(0,0,0,0.72);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  color: rgba(255,255,255,0.9);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.08em;
  padding: 4px 9px;
  border-radius: var(--radius-full);
  border: 1px solid rgba(255,255,255,0.12);
  pointer-events: none;
  z-index: 3;
}
.video-card__info {
  padding: var(--space-3) var(--space-4) var(--space-4);
}
.video-card__tag {
  display: inline-block;
  font-size: 13px;
  font-weight: 500;
  color: var(--color-accent-dark);
  margin-bottom: var(--space-1);
}
.video-card__title {
  font-size: 18px;
  font-weight: 700;
  color: #f5f5f7;
  margin-bottom: var(--space-1);
  line-height: 1.25;
  letter-spacing: -0.015em;
}
.video-card__desc {
  font-size: 14px;
  color: var(--color-muted-dark);
  line-height: 1.6;
  font-weight: 300;
}

/* =========================================================
   WHY VIETNAM
   ========================================================= */
.why-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-3);
  margin-top: var(--space-8);
  margin-bottom: var(--space-8);
}
.why-stat {
  background: var(--color-surface);
  border-radius: var(--radius-xl);
  padding: var(--space-6) var(--space-4);
  text-align: center;
  transition: transform 0.3s;
}
.why-stat:hover { transform: scale(1.02); }
.why-stat__value {
  font-size: 36px;
  font-weight: 700;
  color: var(--color-navy);
  letter-spacing: -0.03em;
  font-variant-numeric: tabular-nums;
  line-height: 1;
  margin-bottom: 8px;
}
.why-stat__label {
  font-size: 14px;
  color: var(--color-muted);
  font-weight: 300;
}
.why-features {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-3);
}
.why-feature {
  padding: var(--space-6);
  background: var(--color-surface);
  border-radius: var(--radius-xl);
}
.why-feature__icon {
  width: 48px; height: 48px;
  background: rgba(0,113,227,0.08);
  border-radius: var(--radius-md);
  display: flex; align-items: center; justify-content: center;
  margin-bottom: var(--space-3);
}
.why-feature__icon svg { stroke: var(--color-accent); }
.why-feature h4 {
  font-size: 16px;
  font-weight: 700;
  color: var(--color-navy);
  margin-bottom: var(--space-1);
  letter-spacing: -0.01em;
}
.why-feature p {
  font-size: 14px;
  color: var(--color-muted);
  line-height: 1.6;
  font-weight: 300;
}
.service-card__title {
  font-size: 19px;
  font-weight: 700;
  color: var(--color-navy);
  margin-bottom: var(--space-1);
  line-height: 1.25;
  letter-spacing: -0.015em;
}
.service-card__body { font-size: 15px; color: var(--color-muted); line-height: 1.6; flex: 1; font-weight: 300; }
.service-card__footer {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-top: var(--space-3);
  padding-top: var(--space-3);
  border-top: 1px solid var(--color-border);
}
.service-card__footer span {
  font-size: 12px;
  font-weight: 500;
  background: var(--color-bg);
  color: var(--color-muted);
  padding: 4px 12px;
  border-radius: var(--radius-full);
}

.services__statement {
  margin-top: var(--space-8);
  background: var(--color-dark);
  border-radius: var(--radius-xl);
  padding: var(--space-8);
  display: flex;
  align-items: center;
  gap: var(--space-8);
}
.services__statement-text { flex: 1; }
.services__statement-text h3 {
  font-size: 28px;
  font-weight: 700;
  color: #f5f5f7;
  margin-bottom: var(--space-2);
  letter-spacing: -0.02em;
}
.services__statement-text p { color: var(--color-muted-dark); line-height: 1.7; font-size: 16px; font-weight: 300; }
.services__statement-cta { flex-shrink: 0; }

/* =========================================================
   PRODUCTS
   ========================================================= */
.products__grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-3);
  margin-top: var(--space-8);
}
.product-card {
  background: var(--color-surface);
  border-radius: var(--radius-xl);
  padding: var(--space-4);
}
.product-card__img {
  width: 100%;
  height: 180px;
  object-fit: cover;
  border-radius: var(--radius-sm);
  margin-bottom: var(--space-3);
  transition: transform 0.5s ease;
}
.product-card:hover .product-card__img { transform: scale(1.03); }
.product-card {
  overflow: hidden;
  transition: transform 0.35s cubic-bezier(0.22,1,0.36,1), box-shadow 0.35s ease;
}

.product-card__header {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  margin-bottom: var(--space-3);
}
.product-card__icon {
  width: 36px; height: 36px;
  background: rgba(0,113,227,0.08);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
}
.product-card__icon svg { width: 18px; height: 18px; stroke: var(--color-accent); }
.product-card__name {
  font-size: 15px;
  font-weight: 700;
  color: var(--color-navy);
}
.product-card__items {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}
.product-card__item {
  font-size: 12px;
  background: var(--color-bg);
  color: var(--color-muted);
  padding: 4px 12px;
  border-radius: var(--radius-full);
  font-weight: 400;
}

/* =========================================================
   CREDENTIALS
   ========================================================= */
.credentials__chips {
  display: flex;
  gap: var(--space-3);
  flex-wrap: wrap;
  margin-top: var(--space-6);
  justify-content: center;
}
.cred-chip {
  background: var(--color-surface);
  border-radius: var(--radius-xl);
  padding: var(--space-4) var(--space-6);
  text-align: center;
  min-width: 160px;
  position: relative;
  overflow: hidden;
  transition: transform 0.3s;
}
.cred-chip:hover { transform: scale(1.03); }
.cred-chip::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(105deg, transparent 40%, rgba(255,255,255,0.8) 50%, transparent 60%);
  background-size: 400px 100%;
  background-position: -400px 0;
  opacity: 0;
  transition: opacity 0.2s;
}
.cred-chip:hover::after {
  opacity: 1;
  animation: shimmer 0.6s ease forwards;
}
.cred-chip__label {
  font-size: 12px;
  font-weight: 500;
  color: var(--color-muted);
  margin-bottom: 4px;
}
.cred-chip__value {
  font-size: 17px;
  font-weight: 700;
  color: var(--color-navy);
  font-variant-numeric: tabular-nums;
  letter-spacing: -0.01em;
}

/* =========================================================
   HOW WE WORK — 4-step process timeline
   ========================================================= */
.process__track { margin-top: var(--space-8); }

.process__line {
  height: 2px;
  background: var(--color-border);
  border-radius: 2px;
  margin-bottom: 40px;
  overflow: hidden;
  position: relative;
}
.process__line-fill {
  height: 100%;
  width: 0%;
  background: linear-gradient(90deg, var(--color-accent), #5ba3f5);
  border-radius: 2px;
  transition: width 1.4s cubic-bezier(0.22, 1, 0.36, 1);
}

.process__steps {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-4);
}
.process__step {
  position: relative;
  padding: var(--space-4);
  background: var(--color-bg);
  border-radius: var(--radius-xl);
  border: 1px solid var(--color-border);
  transition: border-color 0.25s, box-shadow 0.3s, transform 0.3s;
  cursor: default;
}
.process__step:hover {
  border-color: var(--color-accent);
  box-shadow: 0 0 0 3px rgba(0,113,227,0.08), 0 12px 36px rgba(0,0,0,0.07);
  transform: translateY(-4px);
}
.process__step-num {
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.1em;
  color: var(--color-accent);
  margin-bottom: var(--space-2);
}
.process__step-icon {
  width: 44px; height: 44px;
  background: var(--color-surface);
  border-radius: var(--radius-md);
  display: flex; align-items: center; justify-content: center;
  margin-bottom: var(--space-2);
  color: var(--color-navy);
  transition: background 0.25s;
}
.process__step:hover .process__step-icon {
  background: rgba(0,113,227,0.08);
  color: var(--color-accent);
}
.process__step-title {
  font-size: 16px;
  font-weight: 700;
  color: var(--color-navy);
  margin-bottom: var(--space-1);
}
.process__step-body {
  font-size: 13px;
  line-height: 1.55;
  color: var(--color-muted);
  margin-bottom: var(--space-2);
}
.process__step-items {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 4px;
}
.process__step-items li {
  font-size: 12px;
  font-weight: 500;
  color: var(--color-accent);
  padding-left: 14px;
  position: relative;
}
.process__step-items li::before {
  content: '→';
  position: absolute;
  left: 0;
  font-size: 11px;
}

/* =========================================================
   FAQ ACCORDION
   ========================================================= */
.faq__layout {
  display: grid;
  grid-template-columns: 300px 1fr;
  gap: var(--space-8);
  align-items: start;
}
.faq__sidebar {
  position: sticky;
  top: 80px;
}
.faq__heading { font-size: 32px; }
.faq__sub {
  font-size: 14px;
  color: var(--color-muted);
  line-height: 1.6;
  margin: var(--space-2) 0 var(--space-4);
}
.faq__cta { margin-top: var(--space-1); }

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

.faq__item {
  background: var(--color-bg);
  border-radius: var(--radius-lg);
  border: 1px solid var(--color-border);
  overflow: hidden;
  transition: border-color 0.2s, box-shadow 0.2s;
}
.faq__item[open] {
  border-color: rgba(0,113,227,0.25);
  box-shadow: 0 4px 20px rgba(0,113,227,0.06);
}
.faq__item summary {
  list-style: none;
}
.faq__item summary::-webkit-details-marker { display: none; }

.faq__question {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 20px var(--space-4);
  font-size: 15px;
  font-weight: 600;
  color: var(--color-navy);
  cursor: pointer;
  user-select: none;
  gap: var(--space-2);
  transition: color 0.2s;
}
.faq__question:hover { color: var(--color-accent); }

.faq__arrow {
  flex-shrink: 0;
  color: var(--color-muted);
  transition: transform 0.3s cubic-bezier(0.22, 1, 0.36, 1), color 0.2s;
}
.faq__item[open] .faq__arrow {
  transform: rotate(180deg);
  color: var(--color-accent);
}

.faq__answer {
  padding: 0 var(--space-4) 20px;
  font-size: 14px;
  line-height: 1.65;
  color: var(--color-muted);
  border-top: 1px solid var(--color-border);
  padding-top: 16px;
  animation: faqOpen 0.28s ease forwards;
}
@keyframes faqOpen {
  from { opacity: 0; transform: translateY(-6px); }
  to   { opacity: 1; transform: translateY(0); }
}

/* =========================================================
   FLOATING CTA
   ========================================================= */
.float-cta {
  position: fixed;
  bottom: 36px;
  right: 24px;
  z-index: 150;
  opacity: 0;
  transform: translateY(12px);
  pointer-events: none;
  transition: opacity 0.35s ease, transform 0.35s cubic-bezier(0.22,1,0.36,1);
}
.float-cta.visible {
  opacity: 1;
  transform: translateY(0);
  pointer-events: auto;
}
.float-cta__btn {
  display: flex;
  align-items: center;
  gap: 8px;
  background: var(--color-accent);
  color: #fff;
  font-size: 13px;
  font-weight: 600;
  padding: 12px 20px;
  border-radius: var(--radius-full);
  box-shadow: 0 8px 28px rgba(0,113,227,0.35), 0 2px 8px rgba(0,0,0,0.12);
  transition: background 0.2s, transform 0.15s, box-shadow 0.2s;
}
.float-cta__btn:hover {
  background: #0068d0;
  transform: scale(1.04);
  box-shadow: 0 12px 36px rgba(0,113,227,0.45);
}

/* =========================================================
   BACK TO TOP
   ========================================================= */
.back-top {
  position: fixed;
  bottom: 36px;
  left: 24px;
  z-index: 150;
  width: 42px; height: 42px;
  background: rgba(255,255,255,0.9);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border: 1px solid var(--color-border);
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  color: var(--color-navy);
  cursor: pointer;
  opacity: 0;
  transform: translateY(12px);
  pointer-events: none;
  transition: opacity 0.35s ease, transform 0.35s cubic-bezier(0.22,1,0.36,1),
              background 0.2s, color 0.2s, box-shadow 0.2s;
  box-shadow: 0 4px 16px rgba(0,0,0,0.1);
}
.back-top.visible {
  opacity: 1;
  transform: translateY(0);
  pointer-events: auto;
}
.back-top:hover {
  background: var(--color-navy);
  color: #fff;
  border-color: var(--color-navy);
  box-shadow: 0 8px 24px rgba(0,0,0,0.2);
}

/* =========================================================
   GRAIN TEXTURE on dark sections (premium editorial feel)
   ========================================================= */
.section--dark::after,
.contact::after {
  content: '';
  position: absolute;
  inset: 0;
  pointer-events: none;
  z-index: 0;
  opacity: 0.025;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noise'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noise)' opacity='1'/%3E%3C/svg%3E");
  background-size: 200px 200px;
  mix-blend-mode: overlay;
}

/* =========================================================
   CONTACT
   ========================================================= */
.contact {
  position: relative;
  background: var(--color-dark);
  min-height: calc(100vh - 52px);
  padding: 60px 0;
  display: flex;
  flex-direction: column;
  justify-content: center;
  overflow: hidden;
  scroll-snap-align: start;
  scroll-margin-top: 52px;
}
/* Mouse spotlight */
.contact::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(600px circle at var(--mx, 50%) var(--my, 50%),
    rgba(0, 113, 227, 0.08) 0%,
    transparent 55%);
  pointer-events: none;
  z-index: 1;
  opacity: 0;
  transition: opacity 0.4s ease;
}
.contact:hover::before { opacity: 1; }
.contact > * { position: relative; z-index: 2; }
.contact .section__label { color: var(--color-accent-dark); }
.contact__layout {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-8);
  align-items: center;
  margin-top: var(--space-6);
}
.contact__heading {
  font-size: clamp(36px, 4.5vw, 56px);
  font-weight: 700;
  color: #f5f5f7;
  letter-spacing: -0.025em;
  line-height: 1.07;
  margin-bottom: var(--space-3);
}
.contact__sub { color: var(--color-muted-dark); font-size: 19px; line-height: 1.6; font-weight: 300; }
.contact__card {
  background: #111;
  border: 1px solid var(--color-border-dark);
  border-radius: var(--radius-xl);
  padding: var(--space-6);
}
.contact__name {
  font-size: 20px;
  font-weight: 700;
  color: #f5f5f7;
  margin-bottom: var(--space-4);
  letter-spacing: -0.01em;
}
.contact__items { display: flex; flex-direction: column; gap: var(--space-3); }
.contact__item {
  display: flex;
  align-items: flex-start;
  gap: var(--space-2);
  color: rgba(255,255,255,0.75);
  font-size: 15px;
}
.contact__item svg {
  width: 18px; height: 18px;
  stroke: var(--color-accent-dark);
  flex-shrink: 0;
  margin-top: 2px;
}
.contact__item a {
  color: var(--color-muted-dark);
  transition: color 0.2s;
}
.contact__item a:hover { color: #f5f5f7; }
.contact__qr {
  margin-top: 30px;
  display: grid;
  gap: var(--space-3);
}
.contact__qr img {
  width: 100%;
  height: auto;
  display: block;
  border-radius: var(--radius-lg);
  border: 1px solid rgba(255,255,255,0.08);
}
.contact__qr-text {
  color: rgba(255,255,255,0.65);
  font-size: 14px;
  line-height: 1.6;
}
.contact__qr-text a {
  color: var(--color-accent);
  text-decoration: underline;
}

/* =========================================================
   CARD GLARE — mouse-tracking radial light sheen
   ========================================================= */
.service-card,
.mv-card,
.why-feature,
.product-card {
  overflow: hidden;
}

.service-card::after,
.mv-card::after,
.why-feature::after,
.product-card::after {
  content: '';
  position: absolute;
  inset: 0;
  border-radius: inherit;
  background: radial-gradient(
    circle at var(--glare-x, 50%) var(--glare-y, 50%),
    rgba(255, 255, 255, 0.18) 0%,
    transparent 62%
  );
  pointer-events: none;
  opacity: 0;
  transition: opacity 0.35s ease;
  z-index: 5;
}
.service-card:hover::after,
.mv-card:hover::after,
.why-feature:hover::after,
.product-card:hover::after {
  opacity: 1;
}

/* =========================================================
   FOOTER — Apple minimal dark
   ========================================================= */
.footer {
  background: var(--color-dark-2);
  padding: var(--space-6) 0;
  border-top: 1px solid var(--color-border-dark);
}
.footer__inner {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 6px;
  text-align: center;
}
.footer__logo {
  font-size: 17px;
  font-weight: 600;
  color: rgba(255,255,255,0.75);
  letter-spacing: -0.02em;
  margin-bottom: 4px;
}
.footer__logo span { color: var(--color-accent-dark); }
.footer__copy {
  font-size: 13px;
  color: rgba(255,255,255,0.35);
  font-weight: 300;
}
.footer__reg {
  font-size: 11px;
  color: rgba(255,255,255,0.2);
  letter-spacing: 0.02em;
}

/* =========================================================
   RESPONSIVE
   ========================================================= */
@media (max-width: 768px) {
  .nav__links { display: none; }
  .nav__burger { display: flex; }

  .section,
  .section--dark,
  .contact {
    min-height: auto;
    display: block;
    padding: 80px 0;
  }

  .hero__inner { padding: var(--space-8) 0 var(--space-12); }
  .hero__stats { flex-wrap: wrap; gap: var(--space-3); }
  .hero__stat-divider { display: none; }

  .trust-strip__inner { flex-direction: column; gap: var(--space-2); align-items: flex-start; }
  .trust-strip__items { gap: var(--space-3); }

  .about__layout { grid-template-columns: 1fr; }
  .about__image-frame img { height: 280px; }
  .mission-vision { grid-template-columns: 1fr; }

  .video-grid { grid-template-columns: 1fr; }

  .services__cards { grid-template-columns: 1fr; }
  .services__statement { flex-direction: column; gap: var(--space-4); }
  .services__statement-cta { width: 100%; }
  .services__statement-cta .btn { width: 100%; justify-content: center; }

  .why-grid { grid-template-columns: repeat(2, 1fr); }
  .why-features { grid-template-columns: repeat(2, 1fr); }

  .products__grid { grid-template-columns: 1fr; }

  .process__steps { grid-template-columns: repeat(2, 1fr); }
  .faq__layout { grid-template-columns: 1fr; }
  .faq__sidebar { position: static; }
  .faq__heading { font-size: 26px; }

  .credentials__chips { gap: var(--space-2); }
  .cred-chip { min-width: 140px; }

  .stats-bar { grid-template-columns: 1fr; gap: 1px; }
  .stat-item { padding: var(--space-3) var(--space-4); }

  .contact__layout { grid-template-columns: 1fr; }

  .float-cta { bottom: 20px; right: 16px; }
  .back-top  { bottom: 20px; left: 16px; }
}

@media (max-width: 480px) {
  .section { padding: 60px 0; }
  .section__heading { letter-spacing: -0.015em; }
  .container { padding: 0 var(--space-2); }
  .credentials__chips { flex-direction: column; align-items: stretch; }
  .cred-chip { min-width: unset; }
  .why-grid { grid-template-columns: 1fr 1fr; }
  .why-features { grid-template-columns: 1fr; }
  .trust-strip__items { flex-direction: column; gap: var(--space-2); }
  .mv-card { padding: var(--space-4); }
  .process__steps { grid-template-columns: 1fr; }
  .float-cta__btn { padding: 10px 16px; font-size: 12px; }
}