/* ==========================================================================
   ISOPAINT - CÔNG TY CỔ PHẦN ĐẦU TƯ THƯƠNG MẠI JICA
   Luxury Architectural Paint Brand Stylesheet
   Design Direction: Trang Trọng, Tinh Tế, Đẳng Cấp, Đậm Chất Sơn Nhà
   ========================================================================== */

@import url('https://fonts.googleapis.com/css2?family=Plus+Jakarta+Sans:ital,wght@0,300;0,400;0,500;0,600;0,700;0,800;1,400&family=Space+Grotesk:wght@500;600;700&display=swap');

/* --- 1. DESIGN TOKENS --- */
:root {
  /* Brand Luxury Obsidian & Japanese Zen Charcoal */
  --color-dark: #0A0F1D;
  --color-dark-surface: #111827;
  --color-dark-card: #162032;
  --color-dark-border: rgba(255, 255, 255, 0.08);

  /* Japanese Sakura Blossom Brand Palette (Hoa Anh Đào Nhật Bản) */
  --sakura-primary: #FF758F;
  --sakura-hover: #F43F5E;
  --sakura-deep: #E11D48;
  --sakura-imperial: #BE123C;
  --sakura-blush: #FDA4AF;
  --sakura-petal: #FFE4E6;
  --sakura-mist: #FFF5F7;
  --sakura-border: rgba(255, 117, 143, 0.4);
  --sakura-border-light: rgba(255, 117, 143, 0.2);
  --sakura-glow: rgba(255, 117, 143, 0.25);
  --sakura-gradient: linear-gradient(135deg, #FFA5B5 0%, #FF758F 45%, #E11D48 100%);
  --sakura-gradient-soft: linear-gradient(135deg, #FFF1F2 0%, #FFE4E6 100%);
  --shadow-sakura: 0 12px 30px -4px rgba(225, 29, 72, 0.28);
  --shadow-sakura-hover: 0 18px 36px -4px rgba(225, 29, 72, 0.45);

  /* Japanese Kinpaku Gold & Zen Accents */
  --gold-primary: #D4AF37;
  --gold-light: #F6D062;
  --gold-dark: #996515;
  --gold-gradient: linear-gradient(135deg, #ECC94B 0%, #D4AF37 50%, #B7791F 100%);
  --gold-gradient-soft: linear-gradient(135deg, rgba(236, 201, 75, 0.15) 0%, rgba(212, 175, 55, 0.05) 100%);
  --gold-border: rgba(212, 175, 55, 0.35);

  /* Spectrum Accents from Sakura Bloom */
  --color-cyan: #0EA5E9;
  --color-emerald: #10B981;
  --color-coral: #FF758F;
  --color-amber: #F59E0B;
  --spectrum-grad: linear-gradient(135deg, #FF758F 0%, #E11D48 35%, #D4AF37 70%, #F59E0B 100%);

  /* Light Backgrounds */
  --color-white: #FFFFFF;
  --color-bg-light: #FFF5F7;
  --color-bg-warm: #FCF9F9;
  --color-border: #F3E8EB;
  --color-border-light: #FCEEF1;

  /* Typography Colors */
  --color-text-main: #0F172A;
  --color-text-muted: #64748B;
  --color-text-light: #94A3B8;

  /* Fonts */
  --font-main: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  --font-heading: 'Space Grotesk', 'Plus Jakarta Sans', sans-serif;

  /* Shadows */
  --shadow-sm: 0 2px 8px rgba(15, 23, 42, 0.05);
  --shadow-md: 0 10px 25px -4px rgba(225, 29, 72, 0.08);
  --shadow-lg: 0 20px 35px -5px rgba(225, 29, 72, 0.12);
  --shadow-xl: 0 30px 60px -12px rgba(10, 15, 29, 0.22);
  --shadow-gold: 0 12px 30px -4px rgba(212, 175, 55, 0.35);

  /* Radius */
  --radius-xs: 6px;
  --radius-sm: 10px;
  --radius-md: 16px;
  --radius-lg: 24px;
  --radius-full: 9999px;

  /* Layout */
  --container-max: 1260px;
  --nav-height: 84px;
  --transition: 0.3s cubic-bezier(0.16, 1, 0.3, 1);
  --transition-smooth: 0.6s cubic-bezier(0.16, 1, 0.3, 1);
}

/* ==========================================================================
   INTRO SPLASH ANIMATION (3S SPINNING ZOOM & PARTICLE BURST)
   ========================================================================== */
.intro-splash-screen {
  position: fixed;
  inset: 0;
  width: 100vw;
  height: 100vh;
  background: url('../images/sakura-dark-bg.jpg') center/cover no-repeat, radial-gradient(circle at center, #111827 0%, #0A0F1D 80%, #030712 100%);
  background-blend-mode: overlay;
  z-index: 99999;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  transition: opacity 0.8s cubic-bezier(0.16, 1, 0.3, 1), transform 0.8s cubic-bezier(0.16, 1, 0.3, 1);
}

.intro-splash-screen.fade-out {
  opacity: 0;
  transform: scale(1.08);
  pointer-events: none;
}

.intro-canvas-particles {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
  z-index: 1;
}

.intro-center-stage {
  position: relative;
  z-index: 2;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
}

/* Rotating & Growing Logo Core */
.intro-logo-core {
  position: relative;
  width: 220px;
  height: 220px;
  display: flex;
  align-items: center;
  justify-content: center;
  animation: introSpinGrow 2.8s cubic-bezier(0.2, 0.8, 0.2, 1) forwards;
}

.intro-glow-disk {
  position: absolute;
  inset: -25px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(255, 117, 143, 0.45) 0%, rgba(212, 175, 55, 0.3) 40%, rgba(225, 29, 72, 0.2) 70%, transparent 80%);
  filter: blur(28px);
  animation: introGlowPulse 1.8s ease-in-out infinite alternate;
}

.intro-rings {
  position: absolute;
  inset: -15px;
  border-radius: 50%;
  border: 2px dashed rgba(212, 175, 55, 0.4);
  animation: introRingSpin 6s linear infinite;
}

.intro-rings::before {
  content: '';
  position: absolute;
  inset: -12px;
  border-radius: 50%;
  border: 1.5px solid rgba(14, 165, 233, 0.35);
  animation: introRingSpinReverse 4s linear infinite;
}

.intro-logo-img {
  width: 180px;
  height: auto;
  position: relative;
  z-index: 3;
  filter: drop-shadow(0 10px 20px rgba(0, 0, 0, 0.5));
}

.intro-slogan {
  margin-top: 28px;
  font-family: var(--font-heading);
  font-size: 1rem;
  font-weight: 700;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: #FFFFFF;
  opacity: 0;
  animation: introFadeInText 1.2s ease 0.6s forwards;
  display: flex;
  align-items: center;
  gap: 12px;
}

.intro-slogan span {
  background: var(--gold-gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.intro-skip-btn {
  position: absolute;
  bottom: 30px;
  padding: 8px 18px;
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.15);
  border-radius: var(--radius-full);
  color: #94A3B8;
  font-size: 0.75rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  cursor: pointer;
  z-index: 10;
  transition: all var(--transition);
}

.intro-skip-btn:hover {
  background: rgba(255, 255, 255, 0.2);
  color: #FFFFFF;
}

@keyframes introSpinGrow {
  0% {
    transform: rotate(0deg) scale(0.2);
    opacity: 0;
  }
  35% {
    transform: rotate(240deg) scale(0.85);
    opacity: 1;
  }
  70% {
    transform: rotate(360deg) scale(1.18);
  }
  85% {
    transform: rotate(360deg) scale(1.02);
  }
  100% {
    transform: rotate(360deg) scale(1);
    opacity: 1;
  }
}

@keyframes introRingSpin {
  0% { transform: rotate(0deg); }
  100% { transform: rotate(360deg); }
}

@keyframes introRingSpinReverse {
  0% { transform: rotate(360deg); }
  100% { transform: rotate(0deg); }
}

@keyframes introGlowPulse {
  0% { transform: scale(0.85); opacity: 0.5; }
  100% { transform: scale(1.2); opacity: 0.9; }
}

@keyframes introFadeInText {
  0% { opacity: 0; transform: translateY(12px); }
  100% { opacity: 1; transform: translateY(0); }
}

/* --- 2. RESET & BASE --- */
*, *::before, *::after {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

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

body {
  font-family: var(--font-main);
  background-color: var(--color-white);
  color: var(--color-text-main);
  line-height: 1.65;
  overflow-x: hidden;
}

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

a {
  color: inherit;
  text-decoration: none;
  transition: all var(--transition);
}

button, input, select, textarea {
  font: inherit;
  border: none;
  background: none;
  outline: none;
}

button {
  cursor: pointer;
}

.container {
  width: 100%;
  max-width: var(--container-max);
  margin-left: auto;
  margin-right: auto;
  padding-left: 24px;
  padding-right: 24px;
}

.section {
  padding-top: 110px;
  padding-bottom: 110px;
  position: relative;
}

@media (max-width: 768px) {
  .section {
    padding-top: 70px;
    padding-bottom: 70px;
  }
}

/* --- 3. SECTION HEADINGS & BADGES (PHONG CÁCH NHẬT BẢN) --- */
.section-tag {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 8px 18px;
  background: rgba(255, 117, 143, 0.08);
  border: 1px solid var(--sakura-border);
  border-radius: var(--radius-full);
  font-size: 0.8125rem;
  font-weight: 700;
  color: var(--sakura-imperial);
  text-transform: uppercase;
  letter-spacing: 0.12em;
  margin-bottom: 16px;
}

.section-tag::before {
  content: '🌸';
  font-size: 0.95rem;
}

.section-title {
  font-family: var(--font-heading);
  font-size: clamp(2.1rem, 3.8vw, 3.2rem);
  font-weight: 700;
  line-height: 1.18;
  color: var(--color-text-main);
  margin-bottom: 18px;
  letter-spacing: -0.02em;
}

.section-subtitle {
  font-size: 1.125rem;
  color: var(--color-text-muted);
  max-width: 680px;
  line-height: 1.75;
}

.section-header-center {
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
  margin-bottom: 60px;
}

.text-gold {
  background: var(--gold-gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.text-sakura {
  background: var(--sakura-gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.text-spectrum {
  background: var(--sakura-gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

/* --- 4. BUTTONS & CTAS --- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 15px 32px;
  border-radius: var(--radius-full);
  font-size: 0.9375rem;
  font-weight: 700;
  letter-spacing: 0.02em;
  transition: all var(--transition);
  position: relative;
}

.btn-primary {
  background: var(--color-dark);
  color: var(--color-white);
  box-shadow: 0 10px 25px -4px rgba(10, 15, 29, 0.3);
}

.btn-primary:hover {
  background: #020617;
  transform: translateY(-2px);
  box-shadow: 0 15px 30px -4px rgba(10, 15, 29, 0.4);
}

.btn-sakura {
  background: var(--sakura-gradient);
  color: #FFFFFF;
  box-shadow: var(--shadow-sakura);
}

.btn-sakura:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-sakura-hover);
  color: #FFFFFF;
}

.btn-gold {
  background: var(--sakura-gradient);
  color: #FFFFFF;
  box-shadow: var(--shadow-sakura);
}

.btn-gold:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-sakura-hover);
  color: #FFFFFF;
}

.btn-outline {
  border: 1.5px solid var(--sakura-border);
  color: var(--sakura-deep);
  background: rgba(255, 117, 143, 0.04);
}

.btn-outline:hover {
  border-color: var(--sakura-deep);
  color: #FFFFFF;
  background: var(--sakura-gradient);
  transform: translateY(-2px);
}

.btn-outline-white {
  border: 1.5px solid rgba(255, 255, 255, 0.4);
  color: #FFFFFF;
  background: rgba(255, 255, 255, 0.1);
  backdrop-filter: blur(8px);
}

.btn-outline-white:hover {
  background: #FFFFFF;
  color: var(--color-dark);
  border-color: #FFFFFF;
  transform: translateY(-2px);
}

/* --- 5. HEADER (TRANH TRỌNG & TINH TẾ) --- */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: var(--nav-height);
  z-index: 1000;
  transition: all var(--transition);
  background: rgba(255, 255, 255, 0.94);
  backdrop-filter: blur(20px);
  border-bottom: 1px solid rgba(255, 117, 143, 0.2);
}

.site-header.scrolled {
  height: 74px;
  background: #FFFFFF;
  box-shadow: 0 4px 20px rgba(225, 29, 72, 0.06);
  border-bottom: 1px solid var(--sakura-border-light);
}

.nav-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
}

.logo-brand img {
  height: 50px;
  width: auto;
  object-fit: contain;
  transition: transform var(--transition);
}

.logo-brand:hover img {
  transform: scale(1.02);
}

.nav-menu {
  display: flex;
  align-items: center;
  gap: 28px;
}

.nav-link {
  font-size: 0.9375rem;
  font-weight: 600;
  color: var(--color-text-main);
  position: relative;
  padding: 8px 0;
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 2.5px;
  background: var(--sakura-gradient);
  border-radius: var(--radius-full);
  transition: width var(--transition);
}

.nav-link:hover,
.nav-link.active {
  color: var(--sakura-deep);
}

.nav-link:hover::after,
.nav-link.active::after {
  width: 100%;
}

.nav-actions {
  display: flex;
  align-items: center;
  gap: 16px;
}

.hotline-pill {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 8px 18px;
  border-radius: var(--radius-full);
  background: rgba(255, 117, 143, 0.08);
  border: 1px solid var(--sakura-border);
  font-weight: 800;
  font-size: 0.9375rem;
  color: var(--sakura-imperial);
  transition: all var(--transition);
}

.hotline-pill svg {
  color: var(--sakura-deep);
}

.hotline-pill:hover {
  background: var(--sakura-gradient);
  color: #FFFFFF;
  border-color: transparent;
}

.hotline-pill:hover svg {
  color: #FFFFFF;
}

.mobile-toggle {
  display: none;
  width: 44px;
  height: 44px;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  gap: 5px;
  z-index: 1002;
}

.mobile-toggle span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--color-dark);
  transition: all var(--transition);
}

.mobile-only-actions {
  display: none;
}

@media (max-width: 992px) {
  .mobile-only-actions {
    display: flex;
    flex-direction: column;
    width: 100%;
    gap: 12px;
    margin-top: 24px;
  }
}

/* --- 6. HERO SECTION (PHONG CÁCH HOA ANH ĐÀO & CÔNG NGHỆ NHẬT BẢN) --- */
.hero-section {
  position: relative;
  min-height: 94vh;
  padding-top: calc(var(--nav-height) + 30px);
  padding-bottom: 70px;
  display: flex;
  align-items: center;
  background: url('../images/sakura-bg-pattern.jpg') top center/cover no-repeat, linear-gradient(180deg, #FFFFFF 0%, #FFF5F7 60%, #FDF2F4 100%);
  overflow: hidden;
}

.sakura-falling-canvas {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
  z-index: 1;
}

.hero-ambient-glow {
  position: absolute;
  top: -10%;
  right: -5%;
  width: 650px;
  height: 650px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(255, 117, 143, 0.22) 0%, rgba(212, 175, 55, 0.12) 40%, rgba(254, 205, 211, 0.08) 60%, transparent 75%);
  filter: blur(80px);
  pointer-events: none;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.1fr 1fr;
  align-items: center;
  gap: 56px;
  position: relative;
  z-index: 2;
}

.hero-badge-official {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 8px 18px;
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(10px);
  border: 1px solid var(--sakura-border);
  border-radius: var(--radius-full);
  box-shadow: 0 4px 15px rgba(255, 117, 143, 0.12);
  margin-bottom: 24px;
}

.hero-badge-official .badge-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--sakura-deep);
  box-shadow: 0 0 10px var(--sakura-primary);
}

.hero-badge-official span {
  font-size: 0.8125rem;
  font-weight: 700;
  color: var(--sakura-imperial);
  letter-spacing: 0.04em;
}

.hero-title {
  font-family: var(--font-heading);
  font-size: clamp(2.5rem, 4.8vw, 4.2rem);
  font-weight: 800;
  line-height: 1.1;
  color: var(--color-dark);
  margin-bottom: 24px;
  letter-spacing: -0.03em;
}

.hero-desc {
  font-size: clamp(1.05rem, 1.3vw, 1.2rem);
  color: var(--color-text-muted);
  line-height: 1.75;
  margin-bottom: 36px;
  max-width: 560px;
}

.hero-cta-bar {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 18px;
  margin-bottom: 48px;
}

/* Hero Key Indicators */
.hero-stats-row {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  padding-top: 28px;
  border-top: 1px solid var(--color-border);
}

.stat-item h4 {
  font-family: var(--font-heading);
  font-size: 1.25rem;
  font-weight: 800;
  color: var(--color-dark);
  margin-bottom: 4px;
}

.stat-item p {
  font-size: 0.8125rem;
  color: var(--color-text-muted);
}

/* Hero Visual Composition */
.hero-stage-composition {
  position: relative;
  display: flex;
  justify-content: center;
  align-items: center;
}

.hero-main-card {
  position: relative;
  width: 100%;
  max-width: 540px;
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-xl);
  border: 1px solid var(--gold-border);
  aspect-ratio: 1;
}

.hero-main-card img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--transition-smooth);
}

.hero-main-card:hover img {
  transform: scale(1.03);
}

/* Floating Glass Spec Cards */
.hero-floating-spec {
  position: absolute;
  padding: 14px 20px;
  background: rgba(255, 255, 255, 0.94);
  backdrop-filter: blur(16px);
  border: 1px solid rgba(255, 255, 255, 0.9);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-lg);
  display: flex;
  align-items: center;
  gap: 14px;
  z-index: 3;
}

.spec-top-left {
  top: -20px;
  left: -20px;
}

.spec-bottom-right {
  bottom: -20px;
  right: -20px;
}

.spec-color-cube {
  width: 36px;
  height: 36px;
  border-radius: var(--radius-xs);
  box-shadow: var(--shadow-sm);
}

.spec-label {
  font-size: 0.6875rem;
  color: var(--color-text-muted);
  text-transform: uppercase;
  font-weight: 700;
}

.spec-value {
  font-size: 0.875rem;
  font-weight: 800;
  color: var(--color-dark);
}

/* 3D Floating Paint Bucket Showcase */
.hero-bucket-showcase {
  position: absolute;
  bottom: -40px;
  left: -45px;
  z-index: 5;
  display: flex;
  flex-direction: column;
  align-items: center;
  animation: bucketFloat 4.2s ease-in-out infinite alternate;
}

.bucket-img-float {
  width: 220px;
  height: auto;
  filter: drop-shadow(0 22px 30px rgba(10, 15, 29, 0.4)) drop-shadow(0 0 25px rgba(255, 117, 143, 0.3));
  transition: transform var(--transition);
  cursor: pointer;
}

.bucket-img-float:hover {
  transform: scale(1.08) rotate(-3deg);
}

.hero-bucket-showcase .bucket-badge {
  margin-top: -12px;
  padding: 6px 16px;
  background: rgba(10, 15, 29, 0.9);
  backdrop-filter: blur(12px);
  border: 1px solid var(--sakura-border);
  border-radius: var(--radius-full);
  box-shadow: var(--shadow-lg);
  text-align: center;
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.hero-bucket-showcase .badge-title {
  font-family: var(--font-heading);
  font-size: 0.8125rem;
  font-weight: 700;
  color: #FFFFFF;
  letter-spacing: 0.02em;
}

.hero-bucket-showcase .badge-sub {
  font-size: 0.6875rem;
  color: #FDA4AF;
  font-weight: 600;
}

@keyframes bucketFloat {
  0% { transform: translateY(0px) rotate(0deg); }
  50% { transform: translateY(-8px) rotate(0.8deg); }
  100% { transform: translateY(-16px) rotate(-0.8deg); }
}

@media (max-width: 992px) {
  .hero-bucket-showcase {
    position: relative;
    bottom: auto;
    left: auto;
    margin-top: -36px;
    margin-bottom: 20px;
  }
  .bucket-img-float {
    width: 175px;
  }
}

/* --- 7. BRAND INTRO & CRAFTSMANSHIP (GIỚI THIỆU JICA & ISOPAINT) --- */
.about-section {
  background: var(--color-white);
}

.about-editorial-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  align-items: center;
  gap: 64px;
}

.about-image-collage {
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: 20px;
  position: relative;
}

.about-img-frame {
  border-radius: var(--radius-md);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
  border: 1px solid var(--color-border);
}

.about-img-frame img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--transition-smooth);
}

.about-img-frame:hover img {
  transform: scale(1.05);
}

.about-img-primary {
  height: 440px;
}

.about-img-secondary {
  height: 320px;
  align-self: center;
}

.about-craft-card {
  position: absolute;
  bottom: -24px;
  right: 20px;
  background: var(--color-dark);
  color: #FFFFFF;
  padding: 20px 24px;
  border-radius: var(--radius-md);
  border: 1px solid var(--gold-border);
  box-shadow: var(--shadow-xl);
  max-width: 280px;
}

.about-craft-card p {
  font-size: 0.875rem;
  line-height: 1.5;
  color: #E2E8F0;
}

.about-craft-card span {
  display: block;
  font-size: 0.75rem;
  color: var(--gold-light);
  font-weight: 800;
  margin-top: 8px;
  text-transform: uppercase;
}

.about-content-block h2 {
  font-family: var(--font-heading);
  font-size: clamp(2rem, 3.4vw, 2.8rem);
  font-weight: 700;
  line-height: 1.2;
  margin-bottom: 24px;
}

.about-text {
  font-size: 1.05rem;
  color: var(--color-text-muted);
  line-height: 1.8;
  margin-bottom: 20px;
}

/* 4 Pillars */
.pillars-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 20px;
  margin-top: 32px;
  margin-bottom: 36px;
}

.pillar-item {
  padding: 20px;
  border-radius: var(--radius-sm);
  background: var(--color-bg-light);
  border: 1px solid var(--color-border);
  transition: all var(--transition);
}

.pillar-item:hover {
  background: #FFFFFF;
  border-color: var(--gold-primary);
  box-shadow: var(--shadow-md);
  transform: translateY(-3px);
}

.pillar-num {
  font-family: var(--font-heading);
  font-size: 0.8125rem;
  font-weight: 800;
  color: var(--gold-dark);
  margin-bottom: 6px;
}

.pillar-title {
  font-family: var(--font-heading);
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--color-dark);
  margin-bottom: 6px;
}

.pillar-desc {
  font-size: 0.8125rem;
  color: var(--color-text-muted);
  line-height: 1.5;
}

/* --- 8. PRODUCTS SECTION (5 NHÓM CHUYÊN VỀ SƠN NHÀ) --- */
.products-section {
  background: var(--color-bg-light);
}

.products-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 30px;
}

.product-card {
  background: #FFFFFF;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: all var(--transition-smooth);
  display: flex;
  flex-direction: column;
}

.product-card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-xl);
  border-color: var(--gold-border);
}

.product-card-hero {
  grid-column: span 2;
  display: grid;
  grid-template-columns: 1fr 1fr;
}

@media (max-width: 992px) {
  .product-card-hero {
    grid-column: span 1;
    display: flex;
    flex-direction: column;
  }
}

.product-photo-wrap {
  position: relative;
  overflow: hidden;
  aspect-ratio: 16 / 11;
  background: #E2E8F0;
}

.product-card-hero .product-photo-wrap {
  aspect-ratio: auto;
  height: 100%;
  min-height: 320px;
}

.product-photo-wrap img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--transition-smooth);
}

.product-card:hover .product-photo-wrap img {
  transform: scale(1.06);
}

.product-badge {
  position: absolute;
  top: 16px;
  left: 16px;
  padding: 6px 14px;
  background: rgba(10, 15, 29, 0.88);
  backdrop-filter: blur(8px);
  color: var(--gold-light);
  font-size: 0.75rem;
  font-weight: 800;
  border-radius: var(--radius-full);
  letter-spacing: 0.06em;
  text-transform: uppercase;
  border: 1px solid rgba(212, 175, 55, 0.3);
}

.card-bucket-inset {
  position: absolute;
  bottom: 12px;
  right: 14px;
  width: 88px;
  height: auto;
  filter: drop-shadow(0 10px 15px rgba(10, 15, 29, 0.45));
  transition: transform var(--transition);
  z-index: 2;
  pointer-events: none;
}

.product-card:hover .card-bucket-inset {
  transform: scale(1.12) translateY(-4px);
}

.product-info-body {
  padding: 30px;
  display: flex;
  flex-direction: column;
  flex-grow: 1;
}

.product-serial {
  font-family: var(--font-heading);
  font-size: 0.8125rem;
  font-weight: 800;
  color: var(--gold-dark);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-bottom: 6px;
}

.product-heading {
  font-family: var(--font-heading);
  font-size: 1.35rem;
  font-weight: 700;
  color: var(--color-dark);
  margin-bottom: 12px;
  line-height: 1.3;
}

.product-summary {
  font-size: 0.9375rem;
  color: var(--color-text-muted);
  line-height: 1.65;
  margin-bottom: 20px;
  flex-grow: 1;
}

.product-tags-bar {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 24px;
}

.tag-spec {
  font-size: 0.75rem;
  font-weight: 600;
  padding: 4px 10px;
  border-radius: var(--radius-xs);
  background: var(--color-bg-light);
  color: var(--color-text-main);
  border: 1px solid var(--color-border);
}

.product-footer-action {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 18px;
  border-top: 1px solid var(--color-border-light);
}

.link-view-detail {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 0.875rem;
  font-weight: 700;
  color: var(--color-dark);
}

.link-view-detail svg {
  width: 16px;
  height: 16px;
  transition: transform var(--transition);
}

.product-card:hover .link-view-detail {
  color: var(--gold-dark);
}

.product-card:hover .link-view-detail svg {
  transform: translateX(4px);
}

/* --- 9. INTERACTIVE COLOR VISUALIZER STUDIO ("CHỌN MÀU CỦA BẠN") --- */
.visualizer-section {
  background: #FFFFFF;
}

.visualizer-studio-box {
  background: #FFFFFF;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-xl);
  overflow: hidden;
}

.studio-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 18px 30px;
  background: var(--color-dark);
  color: #FFFFFF;
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
  flex-wrap: wrap;
  gap: 16px;
}

.studio-brand-title {
  display: flex;
  align-items: center;
  gap: 12px;
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 1.1rem;
}

.live-pulse {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--gold-primary);
  box-shadow: 0 0 10px var(--gold-primary);
  animation: pulse-ring 2s infinite;
}

.scene-mode-selector {
  display: flex;
  background: rgba(255, 255, 255, 0.1);
  padding: 4px;
  border-radius: var(--radius-full);
  gap: 4px;
}

.scene-btn {
  padding: 6px 16px;
  border-radius: var(--radius-full);
  font-size: 0.8125rem;
  font-weight: 600;
  color: #E2E8F0;
  transition: all var(--transition);
}

.scene-btn.active {
  background: var(--gold-gradient);
  color: #1A1305;
  font-weight: 700;
}

.visualizer-body-grid {
  display: grid;
  grid-template-columns: 1.3fr 1fr;
  min-height: 520px;
}

@media (max-width: 992px) {
  .visualizer-body-grid {
    grid-template-columns: 1fr;
  }
}

.visualizer-viewport {
  position: relative;
  background: #0B1120;
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
}

.scene-living-room {
  position: relative;
  width: 100%;
  height: 100%;
  min-height: 480px;
}

.scene-living-room img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.wall-tint-layer {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-color: #D4AF37;
  mix-blend-mode: multiply;
  opacity: 0.84;
  transition: background-color 0.4s ease, opacity 0.4s ease;
  pointer-events: none;
  -webkit-mask-image: radial-gradient(ellipse at 70% 36%, black 50%, rgba(0, 0, 0, 0.5) 75%, transparent 92%);
  mask-image: radial-gradient(ellipse at 70% 36%, black 50%, rgba(0, 0, 0, 0.5) 75%, transparent 92%);
}

.scene-villa-facade {
  display: none;
  width: 100%;
  height: 100%;
  min-height: 480px;
  position: relative;
}

.scene-villa-facade svg {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

/* Floating HUD */
.studio-hud {
  position: absolute;
  bottom: 20px;
  left: 20px;
  right: 20px;
  background: rgba(10, 15, 29, 0.88);
  backdrop-filter: blur(14px);
  border: 1px solid rgba(255, 255, 255, 0.15);
  border-radius: var(--radius-md);
  padding: 14px 20px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  color: #FFFFFF;
  z-index: 10;
  flex-wrap: wrap;
  gap: 12px;
}

.hud-details {
  display: flex;
  align-items: center;
  gap: 14px;
}

.hud-color-circle {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  border: 2px solid #FFFFFF;
  box-shadow: 0 0 10px rgba(0,0,0,0.3);
}

.hud-name {
  font-family: var(--font-heading);
  font-size: 1.05rem;
  font-weight: 700;
}

.hud-codes {
  display: flex;
  gap: 10px;
  font-size: 0.8125rem;
  color: #94A3B8;
}

.hud-codes span {
  font-family: monospace;
  background: rgba(255, 255, 255, 0.1);
  padding: 2px 8px;
  border-radius: 4px;
}

/* Controls Panel */
.visualizer-palette-panel {
  padding: 28px;
  background: #FAFBFD;
  display: flex;
  flex-direction: column;
  max-height: 600px;
  overflow-y: auto;
}

.palette-filter-bar {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 24px;
}

.palette-tab-btn {
  padding: 6px 14px;
  border-radius: var(--radius-full);
  font-size: 0.8125rem;
  font-weight: 600;
  background: #FFFFFF;
  border: 1px solid var(--color-border);
  color: var(--color-text-muted);
  transition: all var(--transition);
}

.palette-tab-btn:hover {
  border-color: var(--color-dark);
  color: var(--color-dark);
}

.palette-tab-btn.active {
  background: var(--color-dark);
  color: #FFFFFF;
  border-color: var(--color-dark);
}

.swatches-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 12px;
  margin-bottom: 24px;
}

.swatch-card {
  background: #FFFFFF;
  border: 1.5px solid var(--color-border);
  border-radius: var(--radius-xs);
  padding: 8px;
  cursor: pointer;
  transition: all var(--transition);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 6px;
  text-align: center;
}

.swatch-card:hover {
  transform: translateY(-2px);
  border-color: var(--gold-primary);
}

.swatch-card.active {
  border-color: var(--color-dark);
  box-shadow: 0 0 0 2px var(--color-dark);
  background: #F1F5F9;
}

.swatch-box {
  width: 100%;
  aspect-ratio: 1;
  border-radius: 4px;
  box-shadow: inset 0 0 0 1px rgba(0,0,0,0.06);
}

.swatch-code {
  font-size: 0.6875rem;
  font-weight: 700;
  font-family: monospace;
}

.swatch-title {
  font-size: 0.6875rem;
  color: var(--color-text-muted);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  max-width: 100%;
}

.palette-notice {
  font-size: 0.75rem;
  color: var(--color-text-muted);
  line-height: 1.5;
  padding: 12px 16px;
  border-radius: var(--radius-xs);
  background: #F1F5F9;
  border-left: 3px solid var(--gold-primary);
}

/* --- 10. ARCHITECTURAL GALLERY (CẢM HỨNG SƠN NHÀ CAO CẤP) --- */
.gallery-section {
  background: var(--color-bg-light);
}

.gallery-nav {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 10px;
  margin-bottom: 40px;
}

.gallery-nav-btn {
  padding: 10px 24px;
  background: #FFFFFF;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-full);
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--color-text-muted);
  transition: all var(--transition);
}

.gallery-nav-btn:hover {
  border-color: var(--color-dark);
  color: var(--color-dark);
}

.gallery-nav-btn.active {
  background: var(--color-dark);
  color: #FFFFFF;
  border-color: var(--color-dark);
}

.gallery-grid {
  display: grid;
  grid-template-columns: repeat(12, 1fr);
  gap: 24px;
}

.gallery-item {
  position: relative;
  border-radius: var(--radius-md);
  overflow: hidden;
  box-shadow: var(--shadow-md);
  cursor: pointer;
  transition: all var(--transition-smooth);
}

.gallery-item:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-xl);
}

.gallery-item-7 {
  grid-column: span 7;
  aspect-ratio: 16 / 10;
}

.gallery-item-5 {
  grid-column: span 5;
  aspect-ratio: 4 / 3;
}

.gallery-item-4 {
  grid-column: span 4;
  aspect-ratio: 1;
}

@media (max-width: 992px) {
  .gallery-item-7,
  .gallery-item-5,
  .gallery-item-4 {
    grid-column: span 6;
  }
}

@media (max-width: 640px) {
  .gallery-item-7,
  .gallery-item-5,
  .gallery-item-4 {
    grid-column: span 12;
  }
}

.gallery-item img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--transition-smooth);
}

.gallery-item:hover img {
  transform: scale(1.06);
}

.gallery-overlay-caption {
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, transparent 30%, rgba(10, 15, 29, 0.88) 100%);
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  padding: 24px;
  color: #FFFFFF;
}

.gallery-overlay-caption span {
  font-size: 0.75rem;
  font-weight: 800;
  color: var(--gold-light);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-bottom: 6px;
}

.gallery-overlay-caption h3 {
  font-family: var(--font-heading);
  font-size: 1.2rem;
  font-weight: 700;
}

/* Lightbox Modal */
.lightbox-modal {
  position: fixed;
  inset: 0;
  background: rgba(10, 15, 29, 0.95);
  backdrop-filter: blur(16px);
  z-index: 2000;
  display: none;
  align-items: center;
  justify-content: center;
  padding: 30px;
}

.lightbox-modal.active {
  display: flex;
}

.lightbox-box {
  position: relative;
  max-width: 1000px;
  width: 100%;
  max-height: 90vh;
  display: flex;
  flex-direction: column;
  align-items: center;
}

.lightbox-box img {
  max-width: 100%;
  max-height: 75vh;
  border-radius: var(--radius-sm);
  box-shadow: var(--shadow-xl);
}

.lightbox-caption {
  color: #FFFFFF;
  margin-top: 16px;
  font-size: 1.1rem;
  font-family: var(--font-heading);
}

.lightbox-close-btn {
  position: absolute;
  top: -44px;
  right: 0;
  color: #FFFFFF;
  font-size: 2rem;
  cursor: pointer;
}

/* --- 11. DEALER & PARTNER SECTION (PHONG CÁCH NHẬT BẢN THƯỢNG LƯU) --- */
.partner-section {
  background: url('../images/sakura-dark-bg.jpg') center/cover no-repeat, var(--color-dark);
  background-blend-mode: overlay;
  color: #FFFFFF;
  position: relative;
  overflow: hidden;
}

.partner-glow {
  position: absolute;
  top: -10%;
  right: -5%;
  width: 600px;
  height: 600px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(255, 117, 143, 0.25) 0%, rgba(212, 175, 55, 0.15) 50%, transparent 70%);
  filter: blur(80px);
  pointer-events: none;
}

.partner-grid {
  display: grid;
  grid-template-columns: 1.1fr 1fr;
  gap: 64px;
  align-items: center;
  position: relative;
  z-index: 2;
}

.partner-perks {
  display: flex;
  flex-direction: column;
  gap: 20px;
  margin-top: 32px;
}

.perk-card {
  display: flex;
  align-items: flex-start;
  gap: 18px;
  padding: 20px;
  border-radius: var(--radius-sm);
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.08);
  transition: all var(--transition);
}

.perk-card:hover {
  background: rgba(255, 255, 255, 0.08);
  border-color: var(--gold-border);
  transform: translateX(6px);
}

.perk-icon-gold {
  width: 44px;
  height: 44px;
  border-radius: var(--radius-xs);
  background: var(--gold-gradient);
  color: #1A1305;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.perk-content h4 {
  font-family: var(--font-heading);
  font-size: 1.05rem;
  font-weight: 700;
  color: #FFFFFF;
  margin-bottom: 4px;
}

.perk-content p {
  font-size: 0.875rem;
  color: #94A3B8;
  line-height: 1.5;
}

.partner-form-box {
  background: rgba(255, 255, 255, 0.06);
  backdrop-filter: blur(20px);
  border: 1px solid rgba(255, 255, 255, 0.14);
  border-radius: var(--radius-lg);
  padding: 40px;
  box-shadow: var(--shadow-xl);
}

.partner-form-box h3 {
  font-family: var(--font-heading);
  font-size: 1.5rem;
  font-weight: 700;
  color: #FFFFFF;
  margin-bottom: 8px;
}

.partner-form-box p {
  font-size: 0.875rem;
  color: #94A3B8;
  margin-bottom: 28px;
}

.form-field {
  margin-bottom: 18px;
}

.form-label {
  display: block;
  font-size: 0.8125rem;
  font-weight: 600;
  color: #E2E8F0;
  margin-bottom: 6px;
}

.form-input {
  width: 100%;
  padding: 13px 18px;
  border-radius: var(--radius-xs);
  background: rgba(255, 255, 255, 0.08);
  border: 1.5px solid rgba(255, 255, 255, 0.15);
  color: #FFFFFF;
  font-size: 0.9375rem;
  transition: all var(--transition);
}

.form-input:focus {
  border-color: var(--gold-primary);
  background: rgba(255, 255, 255, 0.12);
  box-shadow: 0 0 0 3px rgba(212, 175, 55, 0.2);
}

select.form-input option {
  background: var(--color-dark);
  color: #FFFFFF;
}

.form-legal-note {
  font-size: 0.75rem;
  color: #94A3B8;
  margin-top: 14px;
  line-height: 1.5;
}

/* --- 12. NEWS SECTION --- */
.news-section {
  background: var(--color-white);
}

.news-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
}

.news-article-card {
  background: #FFFFFF;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  overflow: hidden;
  transition: all var(--transition-smooth);
  display: flex;
  flex-direction: column;
}

.news-article-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-xl);
  border-color: var(--gold-border);
}

.news-img-box {
  aspect-ratio: 16 / 10;
  overflow: hidden;
  position: relative;
}

.news-img-box img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--transition-smooth);
}

.news-article-card:hover .news-img-box img {
  transform: scale(1.06);
}

.news-tag-badge {
  position: absolute;
  top: 14px;
  left: 14px;
  padding: 4px 12px;
  background: rgba(10, 15, 29, 0.88);
  backdrop-filter: blur(8px);
  color: var(--gold-light);
  font-size: 0.6875rem;
  font-weight: 700;
  border-radius: var(--radius-full);
  text-transform: uppercase;
}

.news-card-body {
  padding: 24px;
  display: flex;
  flex-direction: column;
  flex-grow: 1;
}

.news-title {
  font-family: var(--font-heading);
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--color-dark);
  line-height: 1.4;
  margin-bottom: 12px;
}

.news-article-card:hover .news-title {
  color: var(--gold-dark);
}

.news-snippet {
  font-size: 0.875rem;
  color: var(--color-text-muted);
  line-height: 1.6;
  margin-bottom: 18px;
  flex-grow: 1;
}

.news-link-btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 0.8125rem;
  font-weight: 700;
  color: var(--color-dark);
}

.news-article-card:hover .news-link-btn {
  color: var(--gold-dark);
}

/* --- 13. CONTACT SECTION (THÔNG TIN CHÍNH THỨC CỦA JICA) --- */
.contact-section {
  background: var(--color-bg-light);
}

.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1.1fr;
  gap: 48px;
}

.contact-card-jica {
  background: #FFFFFF;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 40px;
  box-shadow: var(--shadow-lg);
  display: flex;
  flex-direction: column;
}

.jica-subhead {
  font-size: 0.75rem;
  font-weight: 800;
  color: var(--gold-dark);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-bottom: 6px;
}

.jica-company-name {
  font-family: var(--font-heading);
  font-size: 1.4rem;
  font-weight: 800;
  color: var(--color-dark);
  line-height: 1.3;
  margin-bottom: 24px;
}

.contact-items-list {
  display: flex;
  flex-direction: column;
  gap: 20px;
  margin-bottom: 28px;
}

.contact-row-flex {
  display: flex;
  align-items: flex-start;
  gap: 16px;
}

.contact-icon-box {
  width: 44px;
  height: 44px;
  border-radius: var(--radius-xs);
  background: rgba(212, 175, 55, 0.12);
  color: var(--gold-dark);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.contact-label-small {
  font-size: 0.75rem;
  text-transform: uppercase;
  color: var(--color-text-light);
  font-weight: 700;
  margin-bottom: 2px;
}

.contact-val-text {
  font-size: 0.9375rem;
  font-weight: 600;
  color: var(--color-dark);
  line-height: 1.5;
}

.map-wrapper {
  margin-top: auto;
  border-radius: var(--radius-xs);
  overflow: hidden;
  border: 1px solid var(--color-border);
  height: 200px;
}

.map-wrapper iframe {
  width: 100%;
  height: 100%;
  border: 0;
}

/* Contact Form */
.contact-form-box {
  background: #FFFFFF;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 40px;
  box-shadow: var(--shadow-lg);
}

.contact-form-box h3 {
  font-family: var(--font-heading);
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--color-dark);
  margin-bottom: 8px;
}

.contact-form-box p {
  font-size: 0.9375rem;
  color: var(--color-text-muted);
  margin-bottom: 28px;
}

.form-light .form-label {
  color: var(--color-dark);
}

.form-light .form-input {
  background: var(--color-bg-light);
  border-color: var(--color-border);
  color: var(--color-text-main);
}

.form-light .form-input:focus {
  border-color: var(--sakura-primary);
  box-shadow: 0 0 0 3px rgba(255, 117, 143, 0.15);
  background: #FFFFFF;
}

/* --- 14. FOOTER (PHONG CÁCH NHẬT BẢN THƯỢNG LƯU) --- */
.site-footer {
  background: url('../images/sakura-dark-bg.jpg') top center/cover no-repeat, var(--color-dark);
  background-blend-mode: overlay;
  color: #94A3B8;
  padding-top: 80px;
  padding-bottom: 40px;
  border-top: 1px solid rgba(255, 117, 143, 0.2);
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr 1.2fr;
  gap: 48px;
  margin-bottom: 60px;
}

.footer-logo {
  height: 48px;
  width: auto;
  margin-bottom: 20px;
  align-self: flex-start;
}

.footer-desc {
  font-size: 0.875rem;
  line-height: 1.7;
  color: #94A3B8;
  margin-bottom: 16px;
}

.footer-heading {
  font-family: var(--font-heading);
  font-size: 1.05rem;
  font-weight: 700;
  color: #FFFFFF;
  margin-bottom: 20px;
}

.footer-nav-list {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.footer-nav-list a {
  font-size: 0.875rem;
  color: #94A3B8;
  transition: all var(--transition);
}

.footer-nav-list a:hover {
  color: var(--gold-light);
  transform: translateX(4px);
}

.footer-info-item {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  font-size: 0.875rem;
  margin-bottom: 14px;
}

.footer-info-item svg {
  color: var(--gold-primary);
  flex-shrink: 0;
  margin-top: 3px;
}

.footer-bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 32px;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  font-size: 0.8125rem;
  flex-wrap: wrap;
  gap: 16px;
}

.footer-copyright span {
  color: #FFFFFF;
  font-weight: 700;
}

/* --- 15. FLOATING ACTIONS & TOAST --- */
.floating-actions {
  position: fixed;
  bottom: 28px;
  right: 28px;
  display: flex;
  flex-direction: column;
  gap: 12px;
  z-index: 999;
}

.fab-btn {
  width: 52px;
  height: 52px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: var(--shadow-lg);
  transition: all var(--transition);
  position: relative;
}

.fab-btn:hover {
  transform: scale(1.1);
}

.fab-phone {
  background: var(--gold-gradient);
  color: #1A1305;
  box-shadow: var(--shadow-gold);
}

.fab-phone::before {
  content: '';
  position: absolute;
  inset: -6px;
  border-radius: 50%;
  border: 2px solid var(--gold-primary);
  animation: pulse-ring 2s infinite;
  pointer-events: none;
}

.fab-zalo {
  background: #0068FF;
  color: #FFFFFF;
}

.fab-back-to-top {
  background: var(--color-dark);
  color: #FFFFFF;
  border: 1px solid rgba(255, 255, 255, 0.2);
  opacity: 0;
  visibility: hidden;
  transform: translateY(10px);
}

.fab-back-to-top.visible {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.toast-notice {
  position: fixed;
  bottom: 30px;
  left: 50%;
  transform: translateX(-50%) translateY(100px);
  background: var(--color-dark);
  color: #FFFFFF;
  padding: 14px 24px;
  border-radius: var(--radius-full);
  box-shadow: var(--shadow-xl);
  border: 1px solid var(--gold-border);
  font-size: 0.875rem;
  font-weight: 600;
  z-index: 3000;
  display: flex;
  align-items: center;
  gap: 10px;
  opacity: 0;
  visibility: hidden;
  transition: all var(--transition);
  pointer-events: none;
}

.toast-notice.show {
  opacity: 1;
  visibility: visible;
  transform: translateX(-50%) translateY(0);
}

.toast-notice svg {
  color: var(--gold-primary);
}

/* Animations */
@keyframes pulse-ring {
  0% { transform: scale(1); opacity: 0.8; }
  70% { transform: scale(1.25); opacity: 0; }
  100% { transform: scale(1); opacity: 0; }
}

.reveal-fade {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.8s cubic-bezier(0.16, 1, 0.3, 1), transform 0.8s cubic-bezier(0.16, 1, 0.3, 1);
}

.reveal-fade.revealed {
  opacity: 1;
  transform: translateY(0);
}

/* --- 16. RESPONSIVE BREAKPOINTS --- */
@media (max-width: 1200px) {
  :root { --container-max: 1100px; }
  .products-grid { grid-template-columns: repeat(2, 1fr); }
  .footer-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 992px) {
  .hero-grid {
    grid-template-columns: 1fr;
    text-align: center;
    gap: 40px;
  }
  .hero-content {
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    align-items: center;
  }
  .hero-cta-bar { justify-content: center; }
  .hero-stats-row { max-width: 500px; width: 100%; }
  .about-editorial-grid { grid-template-columns: 1fr; gap: 48px; }
  .partner-grid { grid-template-columns: 1fr; gap: 40px; }
  .contact-grid { grid-template-columns: 1fr; }

  /* Mobile Drawer */
  .mobile-toggle { display: flex; }
  .nav-menu {
    position: fixed;
    top: 0;
    right: -100%;
    width: 82%;
    max-width: 380px;
    height: 100vh;
    background: #FFFFFF;
    box-shadow: -10px 0 30px rgba(0, 0, 0, 0.15);
    flex-direction: column;
    align-items: flex-start;
    padding: 100px 32px 40px;
    gap: 20px;
    transition: right var(--transition-smooth);
    z-index: 1001;
    overflow-y: auto;
  }
  .nav-menu.open { right: 0; }
  .nav-link { width: 100%; border-bottom: 1px solid var(--color-border-light); }
  .nav-actions { display: none; }
  .nav-backdrop {
    position: fixed;
    inset: 0;
    background: rgba(10, 15, 29, 0.6);
    backdrop-filter: blur(4px);
    z-index: 1000;
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition);
  }
  .nav-backdrop.open { opacity: 1; visibility: visible; }
}

@media (max-width: 768px) {
  :root { --nav-height: 72px; }
  .products-grid, .news-grid { grid-template-columns: 1fr; }
  .about-image-collage { grid-template-columns: 1fr; }
  .about-img-secondary { display: none; }
  .pillars-grid { grid-template-columns: 1fr; }
  .swatches-grid { grid-template-columns: repeat(3, 1fr); }
  .footer-grid { grid-template-columns: 1fr; }
  .hero-stats-row { grid-template-columns: 1fr; gap: 14px; text-align: center; }
  .hero-floating-spec { display: none; }
}

@media (max-width: 480px) {
  .swatches-grid { grid-template-columns: repeat(2, 1fr); }
  .btn { width: 100%; }
  .hero-cta-bar { flex-direction: column; width: 100%; }
  .partner-form-box, .contact-card-jica, .contact-form-box { padding: 24px 18px; }
}