/* =============================================
   Makita 48V – Premium Haravan-style Landing
   ============================================= */

/* --- Design Tokens --- */
:root {
  --primary: #00843D;
  --primary-light: #00A34A;
  --primary-dark: #005A2B;
  --accent: #FFB800;
  --accent-soft: #FFF3CC;
  --sale: #FF4757;
  --sale-dark: #E8363F;
  --white: #ffffff;
  --black: #0F172A;
  --gray-50: #F8FAFC;
  --gray-100: #F1F5F9;
  --gray-200: #E2E8F0;
  --gray-300: #CBD5E1;
  --gray-400: #94A3B8;
  --gray-500: #64748B;
  --gray-600: #475569;
  --gray-800: #1E293B;

  --gradient-primary: linear-gradient(135deg, #005A2B 0%, #00843D 45%, #00A34A 100%);
  --gradient-hero: linear-gradient(160deg, #003D1E 0%, #006B31 35%, #00843D 65%, #00B854 100%);
  --gradient-accent: linear-gradient(135deg, #FFB800 0%, #FFD447 50%, #FFE566 100%);
  --gradient-sale: linear-gradient(135deg, #FF4757 0%, #FF6B81 100%);
  --gradient-glass: linear-gradient(135deg, rgba(255,255,255,0.25) 0%, rgba(255,255,255,0.05) 100%);
  --gradient-section: linear-gradient(180deg, var(--gray-50) 0%, var(--white) 100%);

  --shadow-xs: 0 1px 2px rgba(15, 23, 42, 0.04);
  --shadow-sm: 0 2px 8px rgba(15, 23, 42, 0.06);
  --shadow-md: 0 8px 24px rgba(15, 23, 42, 0.08);
  --shadow-lg: 0 16px 48px rgba(0, 90, 43, 0.12);
  --shadow-xl: 0 24px 64px rgba(15, 23, 42, 0.14);
  --shadow-glow: 0 0 40px rgba(0, 132, 61, 0.25);
  --shadow-card: 0 4px 20px rgba(15, 23, 42, 0.06), 0 1px 3px rgba(15, 23, 42, 0.04);
  --shadow-card-hover: 0 20px 40px rgba(0, 90, 43, 0.15), 0 8px 16px rgba(15, 23, 42, 0.06);

  --glass-bg: rgba(255, 255, 255, 0.72);
  --glass-border: rgba(255, 255, 255, 0.45);
  --glass-blur: blur(20px);

  --radius-sm: 10px;
  --radius-md: 14px;
  --radius-lg: 20px;
  --radius-xl: 28px;
  --radius-2xl: 36px;
  --radius-full: 9999px;

  --transition: 0.35s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-bounce: 0.45s cubic-bezier(0.34, 1.56, 0.64, 1);

  --header-height: 76px;
  --section-py: clamp(64px, 10vw, 100px);
  --font: 'Be Vietnam Pro', system-ui, -apple-system, sans-serif;
}

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

html {
  scroll-behavior: smooth;
  scroll-padding-top: calc(var(--header-height) + 16px);
}

body {
  font-family: var(--font);
  font-size: 16px;
  line-height: 1.65;
  color: var(--gray-800);
  background: var(--white);
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

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

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

ul {
  list-style: none;
}

button {
  font-family: inherit;
  cursor: pointer;
  border: none;
  background: none;
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.text-accent { color: var(--accent); }

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

.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 clamp(16px, 4vw, 24px);
}

/* --- Shared Components --- */
.glass-card {
  background: var(--glass-bg);
  backdrop-filter: var(--glass-blur);
  -webkit-backdrop-filter: var(--glass-blur);
  border: 1px solid var(--glass-border);
}

.premium-card {
  background: var(--white);
  border: 1px solid var(--gray-200);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-card);
  transition: transform var(--transition), box-shadow var(--transition), border-color var(--transition);
}

.premium-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-card-hover);
  border-color: rgba(0, 132, 61, 0.2);
}

/* --- Buttons --- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 14px 28px;
  font-size: 15px;
  font-weight: 700;
  letter-spacing: 0.01em;
  border-radius: var(--radius-md);
  border: 2px solid transparent;
  transition: all var(--transition);
  white-space: nowrap;
  position: relative;
  overflow: hidden;
}

.btn::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(255,255,255,0.2) 0%, transparent 60%);
  opacity: 0;
  transition: opacity var(--transition);
}

.btn:hover::after {
  opacity: 1;
}

.btn--sm { padding: 10px 20px; font-size: 14px; }
.btn--lg { padding: 18px 36px; font-size: 16px; border-radius: var(--radius-lg); }
.btn--block { width: 100%; }

.btn--primary {
  background: var(--gradient-primary);
  color: var(--white);
  border-color: transparent;
  box-shadow: 0 4px 16px rgba(0, 132, 61, 0.35);
}

.btn--primary:hover {
  transform: translateY(-3px);
  box-shadow: 0 8px 28px rgba(0, 132, 61, 0.45);
}

.btn--accent {
  background: var(--gradient-accent);
  color: var(--black);
  border-color: transparent;
  box-shadow: 0 4px 16px rgba(255, 184, 0, 0.35);
}

.btn--accent:hover {
  transform: translateY(-3px);
  box-shadow: 0 8px 28px rgba(255, 184, 0, 0.45);
}

.btn--danger {
  background: var(--gradient-sale);
  color: var(--white);
  border-color: transparent;
  box-shadow: 0 4px 20px rgba(255, 71, 87, 0.4);
}

.btn--danger:hover {
  transform: translateY(-3px);
  box-shadow: 0 8px 32px rgba(255, 71, 87, 0.5);
}

.btn--glass {
  background: rgba(255, 255, 255, 0.12);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  color: var(--white);
  border-color: rgba(255, 255, 255, 0.35);
}

.btn--glass:hover {
  background: rgba(255, 255, 255, 0.22);
  border-color: rgba(255, 255, 255, 0.6);
  transform: translateY(-3px);
}

.pulse {
  animation: pulse 2.5s ease-in-out infinite;
}

@keyframes pulse {
  0%, 100% { box-shadow: 0 4px 20px rgba(255, 71, 87, 0.4), 0 0 0 0 rgba(255, 71, 87, 0.4); }
  50% { box-shadow: 0 4px 20px rgba(255, 71, 87, 0.4), 0 0 0 14px rgba(255, 71, 87, 0); }
}

/* --- Section Header --- */
.section-header {
  text-align: center;
  margin-bottom: clamp(40px, 6vw, 56px);
}

.section-header__tag {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 18px;
  background: linear-gradient(135deg, rgba(0, 132, 61, 0.08) 0%, rgba(0, 163, 74, 0.12) 100%);
  color: var(--primary);
  font-size: 12px;
  font-weight: 700;
  border-radius: var(--radius-full);
  margin-bottom: 16px;
  text-transform: uppercase;
  letter-spacing: 1px;
  border: 1px solid rgba(0, 132, 61, 0.15);
}

.section-header__title {
  font-size: clamp(1.75rem, 4.5vw, 2.5rem);
  font-weight: 900;
  color: var(--black);
  margin-bottom: 16px;
  letter-spacing: -0.02em;
  line-height: 1.2;
}

.section-header__desc {
  font-size: clamp(15px, 2vw, 17px);
  color: var(--gray-500);
  max-width: 580px;
  margin: 0 auto;
  line-height: 1.7;
}

/* =============================================
   HEADER
   ============================================= */
.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  height: var(--header-height);
  background: rgba(255, 255, 255, 0.8);
  backdrop-filter: blur(20px) saturate(180%);
  -webkit-backdrop-filter: blur(20px) saturate(180%);
  border-bottom: 1px solid rgba(226, 232, 240, 0.6);
  transition: all var(--transition);
}

.header--scrolled {
  background: rgba(255, 255, 255, 0.95);
  border-bottom-color: var(--gray-200);
  box-shadow: var(--shadow-sm);
}

.header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
  gap: 24px;
}

.header__logo {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 22px;
  font-weight: 900;
  color: var(--black);
  flex-shrink: 0;
  letter-spacing: -0.02em;
}

.header__logo-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  background: var(--gradient-primary);
  color: var(--white);
  border-radius: var(--radius-md);
  font-size: 18px;
  box-shadow: 0 4px 12px rgba(0, 132, 61, 0.3);
  transition: transform var(--transition);
}

.header__logo:hover .header__logo-icon {
  transform: rotate(15deg) scale(1.05);
}

.header__nav-list {
  display: flex;
  gap: 36px;
}

.header__nav-link {
  font-size: 15px;
  font-weight: 600;
  color: var(--gray-600);
  position: relative;
  padding: 6px 0;
}

.header__nav-link::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 0;
  height: 2px;
  background: var(--gradient-primary);
  border-radius: 2px;
  transition: width var(--transition);
}

.header__nav-link:hover {
  color: var(--primary);
}

.header__nav-link:hover::after {
  width: 100%;
}

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

.header__phone {
  display: flex;
  align-items: center;
  gap: 8px;
  font-weight: 700;
  color: var(--primary);
  font-size: 15px;
  padding: 8px 14px;
  border-radius: var(--radius-full);
  background: rgba(0, 132, 61, 0.08);
  transition: all var(--transition);
}

.header__phone:hover {
  background: rgba(0, 132, 61, 0.15);
  transform: scale(1.03);
}

.header__toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  width: 32px;
  padding: 4px 0;
}

.header__toggle span {
  display: block;
  height: 3px;
  background: var(--gray-800);
  border-radius: 2px;
  transition: all var(--transition);
}

.header__toggle.active span:nth-child(1) {
  transform: rotate(45deg) translate(5px, 6px);
}

.header__toggle.active span:nth-child(2) {
  opacity: 0;
}

.header__toggle.active span:nth-child(3) {
  transform: rotate(-45deg) translate(5px, -6px);
}

/* =============================================
   HERO
   ============================================= */
.hero {
  position: relative;
  padding: calc(var(--header-height) + 48px) 0 clamp(80px, 12vw, 120px);
  background: var(--gradient-hero);
  overflow: hidden;
  min-height: 92vh;
  display: flex;
  align-items: center;
}

.hero__bg {
  position: absolute;
  inset: 0;
  pointer-events: none;
  overflow: hidden;
}

.hero__orb {
  position: absolute;
  border-radius: 50%;
  filter: blur(60px);
  opacity: 0.5;
}

.hero__orb--1 {
  width: 500px;
  height: 500px;
  background: rgba(255, 184, 0, 0.2);
  top: -10%;
  right: -5%;
  animation: orbFloat 8s ease-in-out infinite;
}

.hero__orb--2 {
  width: 350px;
  height: 350px;
  background: rgba(0, 255, 136, 0.15);
  bottom: -5%;
  left: -8%;
  animation: orbFloat 10s ease-in-out infinite reverse;
}

.hero__orb--3 {
  width: 200px;
  height: 200px;
  background: rgba(255, 255, 255, 0.1);
  top: 40%;
  left: 30%;
  animation: orbFloat 6s ease-in-out infinite;
}

@keyframes orbFloat {
  0%, 100% { transform: translate(0, 0) scale(1); }
  50% { transform: translate(20px, -20px) scale(1.05); }
}

.hero__grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(32px, 5vw, 64px);
  align-items: center;
  position: relative;
  z-index: 1;
}

.hero__badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 10px 18px;
  background: rgba(255, 255, 255, 0.12);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  color: var(--accent);
  font-size: 13px;
  font-weight: 700;
  border-radius: var(--radius-full);
  margin-bottom: 24px;
  border: 1px solid rgba(255, 184, 0, 0.35);
  letter-spacing: 0.02em;
}

.hero__title {
  font-size: clamp(2rem, 5.5vw, 3.25rem);
  font-weight: 900;
  color: var(--white);
  line-height: 1.15;
  margin-bottom: 24px;
  letter-spacing: -0.03em;
}

.hero__desc {
  font-size: clamp(15px, 2vw, 17px);
  color: rgba(255, 255, 255, 0.88);
  margin-bottom: 28px;
  max-width: 520px;
  line-height: 1.75;
}

.hero__features {
  margin-bottom: 36px;
}

.hero__features li {
  display: flex;
  align-items: center;
  gap: 12px;
  color: rgba(255, 255, 255, 0.95);
  font-size: 15px;
  font-weight: 500;
  margin-bottom: 12px;
}

.hero__features i {
  color: var(--accent);
  font-size: 17px;
  filter: drop-shadow(0 2px 4px rgba(0, 0, 0, 0.2));
}

.hero__cta-group {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
}

.hero__visual {
  display: flex;
  justify-content: center;
}

.hero__image-wrap {
  position: relative;
  max-width: 500px;
  width: 100%;
}

.hero__image-glow {
  position: absolute;
  inset: 10%;
  background: radial-gradient(circle, rgba(255, 184, 0, 0.3) 0%, transparent 70%);
  border-radius: 50%;
  filter: blur(30px);
  animation: glowPulse 4s ease-in-out infinite;
}

@keyframes glowPulse {
  0%, 100% { opacity: 0.6; transform: scale(1); }
  50% { opacity: 1; transform: scale(1.1); }
}

.hero__image {
  width: 100%;
  border-radius: var(--radius-2xl);
  box-shadow: var(--shadow-xl), var(--shadow-glow);
  transition: transform var(--transition-bounce);
  position: relative;
  z-index: 1;
  border: 3px solid rgba(255, 255, 255, 0.2);
}

.hero__image-wrap:hover .hero__image {
  transform: scale(1.04) rotate(-1deg);
}

.hero__float {
  position: absolute;
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 14px 20px;
  background: var(--glass-bg);
  backdrop-filter: var(--glass-blur);
  -webkit-backdrop-filter: var(--glass-blur);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-md);
  font-weight: 800;
  font-size: 14px;
  color: var(--primary-dark);
  box-shadow: var(--shadow-md);
  animation: float 3.5s ease-in-out infinite;
  z-index: 2;
}

.hero__float--1 {
  top: 8%;
  left: -8%;
}

.hero__float--2 {
  bottom: 12%;
  right: -6%;
  animation-delay: 1.75s;
}

.hero__float i {
  color: var(--accent);
  font-size: 18px;
}

@keyframes float {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-12px); }
}

/* =============================================
   PROMO BANNER
   ============================================= */
.promo {
  padding: 0;
  margin-top: -32px;
  position: relative;
  z-index: 10;
}

.promo__inner {
  display: flex;
  align-items: center;
  gap: 24px;
  padding: 22px 32px;
  background: var(--gradient-accent);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-lg);
  flex-wrap: wrap;
  border: 1px solid rgba(255, 255, 255, 0.5);
}

.promo__icon {
  width: 52px;
  height: 52px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(255, 255, 255, 0.5);
  border-radius: var(--radius-md);
  font-size: 24px;
  color: var(--primary-dark);
  flex-shrink: 0;
  box-shadow: var(--shadow-sm);
}

.promo__text {
  flex: 1;
  min-width: 200px;
}

.promo__text strong {
  display: block;
  font-size: 17px;
  font-weight: 800;
  color: var(--black);
  margin-bottom: 4px;
  letter-spacing: -0.01em;
}

.promo__text span {
  font-size: 14px;
  color: var(--gray-800);
  font-weight: 500;
}

.promo__link {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 12px 24px;
  background: var(--gradient-primary);
  color: var(--white);
  font-weight: 700;
  font-size: 14px;
  border-radius: var(--radius-md);
  transition: all var(--transition);
  white-space: nowrap;
  box-shadow: 0 4px 16px rgba(0, 90, 43, 0.3);
}

.promo__link:hover {
  transform: translateX(4px) scale(1.03);
  box-shadow: 0 6px 24px rgba(0, 90, 43, 0.4);
}

.promo__link i {
  transition: transform var(--transition);
}

.promo__link:hover i {
  transform: translateX(4px);
}

/* =============================================
   PRICING
   ============================================= */
.pricing {
  padding: var(--section-py) 0;
  background: var(--gradient-section);
}

.pricing__card {
  position: relative;
  max-width: 480px;
  margin: 0 auto;
  padding: clamp(32px, 5vw, 48px);
  border-radius: var(--radius-2xl);
  text-align: center;
  overflow: hidden;
}

.pricing__card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: var(--gradient-primary);
}

.pricing__ribbon {
  position: absolute;
  top: 20px;
  right: -32px;
  background: var(--gradient-sale);
  color: var(--white);
  font-size: 11px;
  font-weight: 800;
  padding: 6px 40px;
  transform: rotate(45deg);
  letter-spacing: 1px;
  box-shadow: var(--shadow-sm);
}

.pricing__header {
  margin-bottom: 24px;
}

.pricing__title {
  font-size: clamp(1.35rem, 3vw, 1.65rem);
  font-weight: 900;
  color: var(--black);
  margin-bottom: 12px;
  letter-spacing: -0.02em;
}

.pricing__tag {
  display: inline-block;
  padding: 6px 16px;
  background: var(--gradient-sale);
  color: var(--white);
  font-size: 12px;
  font-weight: 800;
  border-radius: var(--radius-full);
  letter-spacing: 0.5px;
  text-transform: uppercase;
}

.pricing__prices {
  margin-bottom: 32px;
}

.pricing__old {
  display: block;
  font-size: 18px;
  color: var(--gray-400);
  text-decoration: line-through;
  margin-bottom: 6px;
  font-weight: 500;
}

.pricing__current {
  display: block;
  font-size: clamp(2.25rem, 6vw, 3rem);
  font-weight: 900;
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  line-height: 1.1;
  letter-spacing: -0.03em;
}

.pricing__countdown {
  margin-bottom: 32px;
  padding: 24px;
  background: linear-gradient(135deg, var(--gray-50) 0%, var(--gray-100) 100%);
  border-radius: var(--radius-lg);
  border: 1px solid var(--gray-200);
}

.pricing__countdown-label {
  font-size: 14px;
  font-weight: 700;
  color: var(--gray-600);
  margin-bottom: 16px;
}

.pricing__countdown-label i {
  color: var(--sale);
  margin-right: 8px;
}

.countdown {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
}

.countdown__item {
  display: flex;
  flex-direction: column;
  align-items: center;
  min-width: 72px;
  padding: 14px 16px;
  background: var(--white);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--gray-200);
  transition: transform var(--transition);
}

.countdown__item:hover {
  transform: scale(1.05);
}

.countdown__value {
  font-size: clamp(24px, 5vw, 32px);
  font-weight: 900;
  color: var(--sale);
  line-height: 1;
  font-variant-numeric: tabular-nums;
}

.countdown__label {
  font-size: 10px;
  font-weight: 700;
  color: var(--gray-500);
  margin-top: 6px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.countdown__sep {
  font-size: 28px;
  font-weight: 800;
  color: var(--gray-300);
  margin-bottom: 18px;
}

.pricing__benefits {
  text-align: left;
  margin-bottom: 32px;
}

.pricing__benefits li {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 14px;
  font-weight: 500;
  color: var(--gray-800);
  margin-bottom: 12px;
  padding: 10px 14px;
  background: var(--gray-50);
  border-radius: var(--radius-sm);
  transition: background var(--transition);
}

.pricing__benefits li:hover {
  background: rgba(0, 132, 61, 0.06);
}

.pricing__benefits i {
  color: var(--primary);
  font-size: 16px;
  width: 22px;
  text-align: center;
}

/* =============================================
   ADVANTAGES
   ============================================= */
.advantages {
  padding: var(--section-py) 0;
}

.advantages__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: clamp(16px, 3vw, 24px);
}

.advantage-card {
  padding: clamp(28px, 4vw, 36px);
}

.advantage-card__icon {
  width: 60px;
  height: 60px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, rgba(0, 132, 61, 0.1) 0%, rgba(0, 163, 74, 0.15) 100%);
  color: var(--primary);
  font-size: 24px;
  border-radius: var(--radius-md);
  margin-bottom: 22px;
  transition: all var(--transition-bounce);
  border: 1px solid rgba(0, 132, 61, 0.1);
}

.advantage-card:hover .advantage-card__icon {
  background: var(--gradient-primary);
  color: var(--white);
  transform: scale(1.1) rotate(-5deg);
  box-shadow: 0 8px 24px rgba(0, 132, 61, 0.3);
}

.advantage-card__title {
  font-size: 18px;
  font-weight: 800;
  color: var(--black);
  margin-bottom: 12px;
  letter-spacing: -0.01em;
}

.advantage-card__desc {
  font-size: 14px;
  color: var(--gray-500);
  line-height: 1.75;
}

/* =============================================
   SPECS TABLE
   ============================================= */
.specs {
  padding: var(--section-py) 0;
  background: var(--gradient-section);
}

.specs__wrap {
  max-width: 760px;
  margin: 0 auto;
  overflow: hidden;
}

.specs__table {
  width: 100%;
  border-collapse: collapse;
  background: var(--white);
}

.specs__table tr {
  border-bottom: 1px solid var(--gray-100);
  transition: background var(--transition);
}

.specs__table tr:last-child {
  border-bottom: none;
}

.specs__table tr:hover {
  background: rgba(0, 132, 61, 0.04);
}

.specs__table th,
.specs__table td {
  padding: 18px 28px;
  text-align: left;
  font-size: 15px;
}

.specs__table th {
  width: 38%;
  font-weight: 700;
  color: var(--gray-800);
  background: var(--gray-50);
}

.specs__table td {
  color: var(--gray-600);
  font-weight: 500;
}

/* =============================================
   GALLERY
   ============================================= */
.gallery {
  padding: var(--section-py) 0;
}

.gallery__grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  grid-template-rows: repeat(2, 240px);
  gap: clamp(12px, 2vw, 20px);
}

.gallery__item {
  position: relative;
  overflow: hidden;
  cursor: pointer;
  padding: 0;
}

.gallery__item.premium-card:hover {
  transform: none;
  box-shadow: var(--shadow-card-hover);
}

.gallery__item--large {
  grid-column: span 2;
  grid-row: span 2;
}

.gallery__img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.6s cubic-bezier(0.4, 0, 0.2, 1);
}

.gallery__item:hover .gallery__img {
  transform: scale(1.1);
}

.gallery__item::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(0, 90, 43, 0.65) 0%, transparent 55%);
  opacity: 0;
  transition: opacity var(--transition);
  z-index: 1;
}

.gallery__item:hover::before {
  opacity: 1;
}

.gallery__caption {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  padding: 20px 24px;
  color: var(--white);
  font-size: 14px;
  font-weight: 700;
  z-index: 2;
  transform: translateY(100%);
  transition: transform var(--transition);
  letter-spacing: 0.02em;
}

.gallery__item:hover .gallery__caption {
  transform: translateY(0);
}

.lazy {
  background: linear-gradient(135deg, var(--gray-100) 0%, var(--gray-200) 100%);
  min-height: 100%;
}

/* =============================================
   VIDEO
   ============================================= */
.video-section {
  padding: var(--section-py) 0;
  background: var(--gradient-section);
}

.video-section__wrap {
  max-width: 920px;
  margin: 0 auto;
  padding: 0;
  overflow: hidden;
}

.video-section__wrap.premium-card:hover {
  transform: none;
}

.video-section__player {
  position: relative;
  border-radius: var(--radius-xl);
  overflow: hidden;
  aspect-ratio: 16 / 9;
  background: var(--black);
}

.video-section__thumb {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s ease;
}

.video-section__player:hover .video-section__thumb {
  transform: scale(1.05);
}

.video-section__play {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 88px;
  height: 88px;
  background: var(--glass-bg);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  color: var(--primary);
  border-radius: 50%;
  font-size: 28px;
  display: flex;
  align-items: center;
  justify-content: center;
  padding-left: 6px;
  transition: all var(--transition-bounce);
  box-shadow: var(--shadow-lg);
  border: 3px solid rgba(255, 255, 255, 0.6);
  z-index: 2;
}

.video-section__play:hover {
  background: var(--gradient-accent);
  color: var(--black);
  transform: translate(-50%, -50%) scale(1.12);
  box-shadow: var(--shadow-xl);
}

.video-section__iframe {
  width: 100%;
  height: 100%;
  border: none;
}

/* =============================================
   REVIEWS
   ============================================= */
.reviews {
  padding: var(--section-py) 0;
}

.reviews__summary {
  display: inline-flex;
  align-items: center;
  gap: 14px;
  margin-top: 12px;
  padding: 14px 28px;
  border-radius: var(--radius-full);
  font-size: 15px;
  color: var(--gray-600);
  font-weight: 500;
}

.reviews__stars {
  color: var(--accent);
  font-size: 18px;
  letter-spacing: 2px;
}

.reviews__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: clamp(16px, 3vw, 24px);
}

.review-card {
  padding: clamp(24px, 4vw, 32px);
  position: relative;
}

.review-card::before {
  content: '\201C';
  position: absolute;
  top: 16px;
  right: 24px;
  font-size: 64px;
  font-weight: 900;
  color: rgba(0, 132, 61, 0.08);
  line-height: 1;
  font-family: Georgia, serif;
}

.review-card__header {
  display: flex;
  align-items: center;
  gap: 14px;
  margin-bottom: 18px;
}

.review-card__avatar {
  width: 52px;
  height: 52px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--gradient-primary);
  color: var(--white);
  font-weight: 800;
  font-size: 14px;
  border-radius: 50%;
  flex-shrink: 0;
  box-shadow: 0 4px 12px rgba(0, 132, 61, 0.3);
}

.review-card__name {
  font-size: 16px;
  font-weight: 800;
  color: var(--black);
  margin-bottom: 4px;
}

.review-card__stars {
  color: var(--accent);
  font-size: 12px;
  letter-spacing: 1px;
}

.review-card__text {
  font-size: 14px;
  color: var(--gray-600);
  line-height: 1.8;
  margin-bottom: 16px;
  font-style: italic;
  position: relative;
  z-index: 1;
}

.review-card__date {
  font-size: 12px;
  font-weight: 600;
  color: var(--gray-400);
}

/* =============================================
   FAQ
   ============================================= */
.faq {
  padding: var(--section-py) 0;
  background: var(--gradient-section);
}

.faq__list {
  max-width: 800px;
  margin: 0 auto;
}

.faq__item {
  margin-bottom: 14px;
  overflow: hidden;
}

.faq__item.premium-card:hover {
  transform: none;
}

.faq__item[open] {
  border-color: rgba(0, 132, 61, 0.3);
  box-shadow: var(--shadow-md);
}

.faq__question {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 22px 28px;
  font-size: 16px;
  font-weight: 700;
  color: var(--black);
  cursor: pointer;
  list-style: none;
  transition: color var(--transition);
}

.faq__question::-webkit-details-marker {
  display: none;
}

.faq__question:hover {
  color: var(--primary);
}

.faq__icon {
  width: 36px;
  height: 36px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(0, 132, 61, 0.08);
  border-radius: 50%;
  font-size: 12px;
  color: var(--primary);
  transition: all var(--transition);
  flex-shrink: 0;
}

.faq__item[open] .faq__icon {
  transform: rotate(180deg);
  background: var(--gradient-primary);
  color: var(--white);
}

.faq__answer {
  padding: 0 28px 24px;
}

.faq__answer p {
  font-size: 15px;
  color: var(--gray-500);
  line-height: 1.8;
  padding-left: 4px;
  border-left: 3px solid var(--primary);
  padding-left: 16px;
}

/* =============================================
   ORDER FORM
   ============================================= */
.order {
  padding: var(--section-py) 0;
  background: linear-gradient(180deg, var(--white) 0%, var(--gray-50) 50%, rgba(0, 132, 61, 0.04) 100%);
  position: relative;
}

.order__grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(32px, 5vw, 56px);
  align-items: start;
}

.order__title {
  font-size: clamp(1.5rem, 3.5vw, 2.25rem);
  font-weight: 900;
  color: var(--black);
  margin-bottom: 16px;
  letter-spacing: -0.02em;
  line-height: 1.25;
}

.order__desc {
  font-size: 16px;
  color: var(--gray-500);
  margin-bottom: 32px;
  line-height: 1.75;
}

.order__price-box {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 14px;
  margin-bottom: 28px;
  padding: 24px 28px;
  border-radius: var(--radius-lg);
  border-left: 4px solid var(--primary);
}

.order__price-old {
  font-size: 18px;
  color: var(--gray-400);
  text-decoration: line-through;
  font-weight: 500;
}

.order__price-new {
  font-size: clamp(1.75rem, 4vw, 2.25rem);
  font-weight: 900;
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}

.order__price-save {
  font-size: 12px;
  font-weight: 800;
  color: var(--white);
  background: var(--gradient-sale);
  padding: 6px 14px;
  border-radius: var(--radius-full);
  letter-spacing: 0.3px;
}

.order__trust li {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 15px;
  font-weight: 600;
  color: var(--gray-800);
  margin-bottom: 14px;
  padding: 12px 16px;
  background: var(--white);
  border-radius: var(--radius-sm);
  border: 1px solid var(--gray-200);
  transition: all var(--transition);
}

.order__trust li:hover {
  border-color: rgba(0, 132, 61, 0.3);
  transform: translateX(4px);
}

.order__trust i {
  color: var(--primary);
  font-size: 18px;
}

.order__form {
  padding: clamp(28px, 5vw, 40px);
}

.form-group {
  margin-bottom: 22px;
}

.form-label {
  display: block;
  font-size: 14px;
  font-weight: 700;
  color: var(--gray-800);
  margin-bottom: 10px;
}

.required {
  color: var(--sale);
}

.form-input,
.form-textarea {
  width: 100%;
  padding: 16px 18px;
  font-family: var(--font);
  font-size: 15px;
  font-weight: 500;
  color: var(--gray-800);
  background: var(--gray-50);
  border: 2px solid var(--gray-200);
  border-radius: var(--radius-md);
  transition: all var(--transition);
}

.form-input:focus,
.form-textarea:focus {
  outline: none;
  border-color: var(--primary);
  background: var(--white);
  box-shadow: 0 0 0 4px rgba(0, 132, 61, 0.1);
}

.form-input.error,
.form-textarea.error {
  border-color: var(--sale);
  box-shadow: 0 0 0 4px rgba(255, 71, 87, 0.1);
}

.form-error {
  display: block;
  font-size: 12px;
  font-weight: 600;
  color: var(--sale);
  margin-top: 8px;
  min-height: 18px;
}

.form-textarea {
  resize: vertical;
  min-height: 96px;
}

.quantity-control {
  display: flex;
  align-items: center;
  gap: 0;
  max-width: 168px;
  border-radius: var(--radius-md);
  overflow: hidden;
  border: 2px solid var(--gray-200);
}

.quantity-control__btn {
  width: 48px;
  height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--gray-50);
  font-size: 20px;
  font-weight: 700;
  color: var(--gray-800);
  transition: all var(--transition);
}

.quantity-control__btn:hover {
  background: var(--gradient-primary);
  color: var(--white);
}

.quantity-control__input {
  width: 64px;
  height: 48px;
  text-align: center;
  font-size: 16px;
  font-weight: 800;
  border: none;
  border-left: 2px solid var(--gray-200);
  border-right: 2px solid var(--gray-200);
  background: var(--white);
  -moz-appearance: textfield;
}

.quantity-control__input::-webkit-outer-spin-button,
.quantity-control__input::-webkit-inner-spin-button {
  -webkit-appearance: none;
  margin: 0;
}

.order__submit {
  margin-top: 8px;
}

.order__hotline {
  text-align: center;
  margin-top: 20px;
  font-size: 14px;
  color: var(--gray-500);
}

.order__hotline a {
  color: var(--primary);
  font-weight: 700;
}

.order__hotline a:hover {
  color: var(--primary-dark);
}

/* =============================================
   FOOTER
   ============================================= */
.footer {
  position: relative;
  padding: clamp(48px, 8vw, 72px) 0 0;
  background: linear-gradient(160deg, #003D1E 0%, #005A2B 40%, #006B31 100%);
  color: rgba(255, 255, 255, 0.85);
  overflow: hidden;
}

.footer__top-gradient {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(255, 184, 0, 0.5), transparent);
}

.footer__grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: clamp(32px, 5vw, 48px);
  padding-bottom: 48px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.footer__logo {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  font-size: 22px;
  font-weight: 900;
  color: var(--white);
  margin-bottom: 20px;
}

.footer__desc {
  font-size: 14px;
  line-height: 1.8;
  max-width: 320px;
  color: rgba(255, 255, 255, 0.7);
}

.footer__heading {
  font-size: 15px;
  font-weight: 800;
  color: var(--white);
  margin-bottom: 22px;
  letter-spacing: 0.02em;
  text-transform: uppercase;
}

.footer__list li {
  margin-bottom: 14px;
  font-size: 14px;
  font-weight: 500;
}

.footer__list a {
  transition: all var(--transition);
}

.footer__list a:hover {
  color: var(--accent);
  padding-left: 4px;
}

.footer__list i {
  width: 20px;
  margin-right: 10px;
  color: var(--accent);
}

.footer__social {
  display: flex;
  gap: 12px;
}

.footer__social-link {
  width: 44px;
  height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(255, 255, 255, 0.08);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: 50%;
  color: var(--white);
  font-size: 16px;
  transition: all var(--transition-bounce);
}

.footer__social-link:hover {
  background: var(--gradient-accent);
  color: var(--black);
  transform: translateY(-4px) scale(1.08);
  border-color: transparent;
}

.footer__bottom {
  padding: 24px 0;
  text-align: center;
  font-size: 13px;
  font-weight: 500;
  color: rgba(255, 255, 255, 0.5);
}

/* =============================================
   FLOATING CONTACT
   ============================================= */
.floating-contact {
  position: fixed;
  bottom: 24px;
  right: 24px;
  z-index: 999;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.floating-btn {
  position: relative;
  width: 58px;
  height: 58px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  color: var(--white);
  font-size: 22px;
  box-shadow: var(--shadow-lg);
  transition: all var(--transition-bounce);
  animation: fadeInUp 0.5s ease backwards;
  border: 2px solid rgba(255, 255, 255, 0.2);
}

.floating-btn:nth-child(1) { animation-delay: 0.1s; }
.floating-btn:nth-child(2) { animation-delay: 0.2s; }
.floating-btn:nth-child(3) { animation-delay: 0.3s; }

.floating-btn:hover {
  transform: scale(1.12) translateY(-2px);
  box-shadow: var(--shadow-xl);
}

.floating-btn__tooltip {
  position: absolute;
  right: calc(100% + 14px);
  top: 50%;
  transform: translateY(-50%);
  padding: 8px 16px;
  background: var(--black);
  color: var(--white);
  font-size: 13px;
  font-weight: 600;
  border-radius: var(--radius-sm);
  white-space: nowrap;
  opacity: 0;
  visibility: hidden;
  transition: all var(--transition);
  pointer-events: none;
}

.floating-btn:hover .floating-btn__tooltip {
  opacity: 1;
  visibility: visible;
}

.floating-btn--phone {
  background: var(--gradient-primary);
}

.floating-btn--zalo {
  background: linear-gradient(135deg, #0068ff, #0050cc);
  font-weight: 800;
  font-size: 13px;
}

.floating-btn__zalo-text {
  font-size: 13px;
  letter-spacing: -0.5px;
}

.floating-btn--messenger {
  background: linear-gradient(135deg, #00b2ff, #006aff);
}

@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* =============================================
   MODAL
   ============================================= */
.modal {
  position: fixed;
  inset: 0;
  z-index: 2000;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px;
}

.modal[hidden] {
  display: none;
}

.modal__overlay {
  position: absolute;
  inset: 0;
  background: rgba(15, 23, 42, 0.65);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  animation: fadeIn 0.3s ease;
}

.modal__content {
  position: relative;
  max-width: 460px;
  width: 100%;
  padding: clamp(32px, 5vw, 48px);
  border-radius: var(--radius-2xl);
  text-align: center;
  box-shadow: var(--shadow-xl);
  animation: zoomIn 0.4s cubic-bezier(0.34, 1.56, 0.64, 1);
}

.modal__close {
  position: absolute;
  top: 16px;
  right: 16px;
  width: 40px;
  height: 40px;
  font-size: 24px;
  color: var(--gray-400);
  border-radius: 50%;
  transition: all var(--transition);
  display: flex;
  align-items: center;
  justify-content: center;
}

.modal__close:hover {
  background: var(--gray-100);
  color: var(--black);
  transform: rotate(90deg);
}

.modal__icon {
  font-size: 72px;
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  margin-bottom: 20px;
}

.modal__title {
  font-size: 1.65rem;
  font-weight: 900;
  color: var(--black);
  margin-bottom: 12px;
  letter-spacing: -0.02em;
}

.modal__text {
  font-size: 15px;
  color: var(--gray-500);
  margin-bottom: 28px;
  line-height: 1.7;
}

@keyframes fadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}

@keyframes zoomIn {
  from {
    opacity: 0;
    transform: scale(0.85);
  }
  to {
    opacity: 1;
    transform: scale(1);
  }
}

/* =============================================
   RESPONSIVE – TABLET
   ============================================= */
@media (max-width: 1024px) {
  .header__nav-list {
    gap: 24px;
  }

  .hero__grid {
    grid-template-columns: 1fr;
    text-align: center;
  }

  .hero__desc {
    margin-left: auto;
    margin-right: auto;
  }

  .hero__features li {
    justify-content: center;
  }

  .hero__cta-group {
    justify-content: center;
  }

  .hero__float--1 { left: 0; }
  .hero__float--2 { right: 0; }

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

  .gallery__grid {
    grid-template-columns: repeat(2, 1fr);
    grid-template-rows: auto;
  }

  .gallery__item--large {
    grid-column: span 2;
    grid-row: span 1;
    min-height: 300px;
  }

  .gallery__item {
    min-height: 220px;
  }

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

  .order__grid {
    grid-template-columns: 1fr;
    gap: 40px;
  }

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

/* =============================================
   RESPONSIVE – MOBILE
   ============================================= */
@media (max-width: 768px) {
  :root {
    --header-height: 68px;
  }

  .header__nav {
    position: fixed;
    top: var(--header-height);
    left: 0;
    right: 0;
    background: rgba(255, 255, 255, 0.98);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    padding: 16px 24px 24px;
    border-bottom: 1px solid var(--gray-200);
    box-shadow: var(--shadow-lg);
    transform: translateY(-120%);
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition);
  }

  .header__nav.active {
    transform: translateY(0);
    opacity: 1;
    visibility: visible;
  }

  .header__nav-list {
    flex-direction: column;
    gap: 0;
  }

  .header__nav-link {
    display: block;
    padding: 16px 0;
    border-bottom: 1px solid var(--gray-100);
    font-size: 16px;
  }

  .header__nav-link::after {
    display: none;
  }

  .header__phone span {
    display: none;
  }

  .header__phone {
    padding: 10px;
    border-radius: 50%;
    width: 42px;
    height: 42px;
    justify-content: center;
  }

  .header__cta {
    display: none;
  }

  .header__toggle {
    display: flex;
  }

  .hero {
    padding: calc(var(--header-height) + 32px) 0 64px;
    min-height: auto;
  }

  .hero__float {
    display: none;
  }

  .hero__image-wrap {
    max-width: 360px;
  }

  .promo__inner {
    flex-direction: column;
    text-align: center;
    padding: 24px;
  }

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

  .pricing__ribbon {
    top: 16px;
    right: -36px;
    font-size: 10px;
  }

  .countdown__item {
    min-width: 58px;
    padding: 10px 12px;
  }

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

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

  .gallery__item--large {
    grid-column: span 1;
    min-height: 260px;
  }

  .gallery__item {
    min-height: 220px;
  }

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

  .reviews__summary {
    flex-direction: column;
    gap: 8px;
    padding: 16px 24px;
  }

  .faq__question {
    padding: 18px 20px;
    font-size: 15px;
  }

  .faq__answer {
    padding: 0 20px 20px;
  }

  .order__form {
    padding: 24px 20px;
  }

  .footer__grid {
    grid-template-columns: 1fr;
    gap: 36px;
  }

  .floating-contact {
    bottom: 16px;
    right: 16px;
  }

  .floating-btn {
    width: 52px;
    height: 52px;
    font-size: 20px;
  }

  .floating-btn__tooltip {
    display: none;
  }
}

@media (max-width: 480px) {
  .hero__cta-group {
    flex-direction: column;
    width: 100%;
  }

  .hero__cta-group .btn {
    width: 100%;
  }

  .specs__table th,
  .specs__table td {
    padding: 14px 16px;
    font-size: 13px;
  }

  .specs__table th {
    width: 42%;
  }

  .countdown {
    gap: 6px;
  }

  .countdown__sep {
    font-size: 20px;
    margin-bottom: 14px;
  }
}
/* ===========================
   HUY HÙNG STORE
=========================== */

.shop-brand{
    text-align:center;
    margin-bottom:55px;
}

.brand-badge{
    display:inline-block;
    padding:10px 24px;
    background:#FFD54A;
    color:#111;
    border-radius:50px;
    font-weight:700;
    font-size:14px;
    margin-bottom:18px;
    box-shadow:0 10px 25px rgba(255,193,7,.35);
}

.brand-title{
    font-size:80px;
    font-weight:900;
    color:#fff;
    margin:0;
    letter-spacing:6px;
    text-transform:uppercase;
    line-height:1;
}

.brand-title span{
    color:#FFD54A;
}

.brand-sub{
    margin-top:18px;
    font-size:18px;
    color:rgba(255,255,255,.9);
    letter-spacing:1px;
}

@media(max-width:768px){

.brand-title{

font-size:40px;

letter-spacing:3px;

}

.brand-sub{

font-size:15px;

}

}