/* ==========================================================================
   NƯỚC GIẶT CAO CẤP DOSU - LANDING PAGE STYLESHEET
   Slogan: "Sạch sâu từng sợi, thơm lâu từng phút"
   ========================================================================== */

:root {
    --primary: #0284c7;
    --primary-dark: #0369a1;
    --primary-light: #38bdf8;
    --primary-soft: #e0f2fe;
    --accent-pink: #ec4899;
    --accent-pink-dark: #db2777;
    --accent-pink-soft: #fce7f3;
    --accent-purple: #8b5cf6;
    --accent-green: #10b981;
    --accent-gold: #f59e0b;
    --dark: #0f172a;
    --dark-slate: #1e293b;
    --text-main: #334155;
    --text-muted: #64748b;
    --light-bg: #f8fafc;
    --white: #ffffff;
    --shadow-sm: 0 4px 15px rgba(2, 132, 199, 0.08);
    --shadow-md: 0 12px 32px rgba(2, 132, 199, 0.14);
    --shadow-lg: 0 20px 50px rgba(15, 23, 42, 0.16);
    --radius-md: 16px;
    --radius-lg: 24px;
    --radius-xl: 32px;
    --transition: all 0.35s cubic-bezier(0.16, 1, 0.3, 1);
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Be Vietnam Pro', -apple-system, BlinkMacSystemFont, sans-serif;
    color: var(--text-main);
    background-color: var(--white);
    line-height: 1.65;
    overflow-x: hidden;
}

h1, h2, h3, h4, .brand-name {
    font-family: 'Plus Jakarta Sans', 'Be Vietnam Pro', sans-serif;
    color: var(--dark);
    line-height: 1.25;
}

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

ul {
    list-style: none;
}

.container {
    width: 100%;
    max-width: 1240px;
    margin: 0 auto;
    padding: 0 20px;
}

.section-padding {
    padding: 90px 0;
}

.text-center {
    text-align: center;
}

.text-gradient {
    background: linear-gradient(135deg, var(--primary) 0%, var(--accent-pink) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* ==========================================================================
   TOP BAR & HEADER
   ========================================================================== */
.top-bar {
    background: linear-gradient(90deg, #0369a1 0%, #0284c7 50%, #db2777 100%);
    color: var(--white);
    font-size: 0.85rem;
    padding: 8px 0;
    position: relative;
    z-index: 1001;
}

.top-bar-inner {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 10px;
}

.top-promo {
    display: flex;
    align-items: center;
    gap: 10px;
}

.badge-hot {
    background: #fde047;
    color: var(--dark);
    font-weight: 800;
    font-size: 0.75rem;
    padding: 2px 10px;
    border-radius: 50px;
    display: inline-flex;
    align-items: center;
    gap: 4px;
}

.top-contact {
    display: flex;
    align-items: center;
    gap: 12px;
}

.top-contact a:hover {
    color: #fde047;
}

.header {
    position: sticky;
    top: 0;
    z-index: 1000;
    background: rgba(255, 255, 255, 0.92);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border-bottom: 1px solid rgba(2, 132, 199, 0.1);
    transition: var(--transition);
}

.header.scrolled {
    box-shadow: 0 8px 30px rgba(2, 132, 199, 0.12);
    padding: 2px 0;
}

.nav-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 78px;
}

.logo {
    display: flex;
    align-items: center;
    gap: 12px;
}

.logo-icon {
    width: 46px;
    height: 46px;
    border-radius: 14px;
    background: linear-gradient(135deg, var(--primary-light), var(--primary), var(--accent-pink));
    color: var(--white);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.4rem;
    position: relative;
    box-shadow: 0 6px 18px rgba(2, 132, 199, 0.35);
}

.logo-sparkle {
    position: absolute;
    top: 4px;
    right: 6px;
    font-size: 0.65rem;
    color: #fde047;
}

.logo-text {
    display: flex;
    flex-direction: column;
}

.brand-name {
    font-size: 1.65rem;
    font-weight: 800;
    letter-spacing: 0.5px;
    background: linear-gradient(90deg, var(--primary-dark), var(--accent-pink));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    line-height: 1;
}

.brand-sub {
    font-size: 0.65rem;
    font-weight: 700;
    letter-spacing: 1.8px;
    color: var(--text-muted);
    margin-top: 3px;
}

.nav-list {
    display: flex;
    align-items: center;
    gap: 24px;
}

.nav-link {
    font-weight: 600;
    font-size: 0.94rem;
    color: var(--dark-slate);
    padding: 6px 4px;
    position: relative;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2.5px;
    border-radius: 4px;
    background: linear-gradient(90deg, var(--primary), var(--accent-pink));
    transition: var(--transition);
}

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

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

.nav-actions {
    display: flex;
    align-items: center;
    gap: 10px;
}

/* ==========================================================================
   BUTTONS
   ========================================================================== */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    font-family: inherit;
    font-weight: 700;
    border-radius: 50px;
    border: none;
    cursor: pointer;
    transition: var(--transition);
    text-align: center;
}

.btn-sm {
    padding: 10px 20px;
    font-size: 0.88rem;
}

.btn-lg {
    padding: 16px 32px;
    font-size: 1.02rem;
}

.btn-block {
    width: 100%;
    padding: 14px 24px;
    font-size: 0.96rem;
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary) 0%, var(--accent-pink) 100%);
    color: var(--white);
    box-shadow: 0 8px 22px rgba(236, 72, 153, 0.28);
}

.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 12px 28px rgba(2, 132, 199, 0.38);
    filter: brightness(1.05);
}

.btn-secondary {
    background: var(--white);
    color: var(--primary-dark);
    border: 2px solid rgba(2, 132, 199, 0.25);
    box-shadow: var(--shadow-sm);
}

.btn-secondary:hover {
    background: var(--primary-soft);
    border-color: var(--primary);
    transform: translateY(-3px);
}

.btn-outline-primary {
    background: transparent;
    color: var(--primary);
    border: 2px solid var(--primary);
}

.btn-outline-primary:hover {
    background: var(--primary);
    color: var(--white);
}

.pulse-btn {
    animation: subtlePulse 2.5s infinite;
}

@keyframes subtlePulse {
    0%, 100% { box-shadow: 0 0 0 0 rgba(236, 72, 153, 0.45); }
    50% { box-shadow: 0 0 0 10px rgba(236, 72, 153, 0); }
}

.mobile-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 6px;
}

.mobile-toggle span {
    width: 24px;
    height: 2.5px;
    background: var(--dark);
    border-radius: 3px;
    transition: var(--transition);
}

/* ==========================================================================
   HERO SECTION
   ========================================================================== */
.hero {
    position: relative;
    padding: 65px 0 115px;
    background: radial-gradient(circle at 15% 20%, #e0f7ff 0%, #f0f9ff 45%, #fdf2f8 100%);
    overflow: hidden;
}

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

.hero-glow {
    position: absolute;
    border-radius: 50%;
    filter: blur(80px);
    z-index: 0;
    pointer-events: none;
}

.hero-glow-1 {
    width: 420px;
    height: 420px;
    background: rgba(56, 189, 248, 0.35);
    top: -100px;
    left: -100px;
}

.hero-glow-2 {
    width: 450px;
    height: 450px;
    background: rgba(244, 114, 182, 0.28);
    bottom: -80px;
    right: -80px;
}

.hero-container {
    position: relative;
    z-index: 2;
    display: grid;
    grid-template-columns: 1.12fr 0.88fr;
    gap: 48px;
    align-items: center;
}

.hero-pill {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: rgba(255, 255, 255, 0.88);
    border: 1px solid rgba(2, 132, 199, 0.25);
    padding: 7px 16px;
    border-radius: 50px;
    font-size: 0.8rem;
    font-weight: 700;
    color: var(--primary-dark);
    margin-bottom: 20px;
    box-shadow: var(--shadow-sm);
}

.pill-dot {
    width: 9px;
    height: 9px;
    background: var(--accent-pink);
    border-radius: 50%;
    box-shadow: 0 0 0 4px rgba(236, 72, 153, 0.25);
}

.hero-title {
    font-size: 3.1rem;
    font-weight: 800;
    margin-bottom: 20px;
    letter-spacing: -0.5px;
}

.slogan-highlight {
    display: block;
    margin-top: 8px;
    font-size: 2.35rem;
    color: var(--primary-dark);
    background: linear-gradient(90deg, #0369a1, #db2777);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.hero-desc {
    font-size: 1.08rem;
    color: var(--text-main);
    margin-bottom: 24px;
    max-width: 580px;
}

.hero-badges {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    margin-bottom: 30px;
}

.h-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: var(--white);
    padding: 8px 15px;
    border-radius: 12px;
    font-size: 0.88rem;
    font-weight: 600;
    color: var(--dark-slate);
    box-shadow: 0 4px 12px rgba(2, 132, 199, 0.08);
}

.h-badge i {
    color: var(--primary);
    font-size: 1rem;
}

.hero-cta-group {
    display: flex;
    flex-wrap: wrap;
    gap: 14px;
    margin-bottom: 34px;
}

.hero-trust {
    display: flex;
    align-items: center;
    gap: 16px;
    padding-top: 20px;
    border-top: 1px dashed rgba(2, 132, 199, 0.25);
}

.avatar-stack {
    display: flex;
    align-items: center;
}

.av {
    width: 38px;
    height: 38px;
    border-radius: 50%;
    border: 2.5px solid var(--white);
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 800;
    font-size: 0.8rem;
    color: var(--white);
    margin-left: -10px;
}

.av:first-child { margin-left: 0; }
.av-1 { background: #ec4899; }
.av-2 { background: #0284c7; }
.av-3 { background: #10b981; }
.av-4 { background: #f59e0b; }
.av-more { background: var(--dark); font-size: 0.7rem; }

.trust-info .stars {
    color: #f59e0b;
    font-size: 0.9rem;
    margin-bottom: 2px;
}

.trust-info .stars strong {
    color: var(--dark);
    margin-left: 4px;
}

.trust-info p {
    font-size: 0.86rem;
    color: var(--text-muted);
}

/* Hero Visual & Jugs */
.hero-stage {
    position: relative;
    min-height: 450px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.jugs-showcase {
    position: relative;
    width: 100%;
    max-width: 440px;
    height: 410px;
}

.jug-wrapper {
    position: absolute;
    transition: var(--transition);
    cursor: pointer;
    filter: drop-shadow(0 24px 32px rgba(2, 132, 199, 0.24));
}

.jug-10l-wrap {
    width: 265px;
    right: 0;
    top: 0;
    z-index: 2;
    animation: floatSlow 5s ease-in-out infinite;
}

.jug-5l-wrap {
    width: 225px;
    left: 10px;
    bottom: 0;
    z-index: 3;
    animation: floatSlow 4.2s ease-in-out infinite 0.8s;
}

.jug-wrapper:hover {
    transform: scale(1.05) translateY(-6px);
    z-index: 5;
}

.jug-tag {
    text-align: center;
    margin-top: 6px;
    padding: 5px 14px;
    border-radius: 50px;
    font-size: 0.78rem;
    font-weight: 800;
    color: var(--white);
    box-shadow: var(--shadow-sm);
}

.tag-10l { background: var(--primary-dark); }
.tag-5l { background: var(--accent-pink-dark); }

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

.floating-card {
    position: absolute;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    padding: 10px 16px;
    border-radius: 16px;
    display: flex;
    align-items: center;
    gap: 12px;
    box-shadow: 0 12px 28px rgba(15, 23, 42, 0.12);
    z-index: 6;
    animation: floatSlow 4s ease-in-out infinite;
}

.fc-1 { top: 10px; left: -15px; }
.fc-2 { bottom: 65px; right: -15px; animation-delay: 1.2s; }
.fc-3 { top: 165px; left: -25px; animation-delay: 2s; }

.fc-icon {
    width: 38px;
    height: 38px;
    border-radius: 10px;
    background: var(--primary-soft);
    color: var(--primary);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.1rem;
    font-weight: 800;
}

.fc-icon.green { background: #d1fae5; color: #059669; }
.fc-icon.pink { background: var(--accent-pink-soft); color: var(--accent-pink-dark); }

.fc-text {
    display: flex;
    flex-direction: column;
    line-height: 1.25;
}

.fc-text strong {
    font-size: 0.85rem;
    color: var(--dark);
}

.fc-text span {
    font-size: 0.74rem;
    color: var(--text-muted);
}

.hero-wave {
    position: absolute;
    bottom: -1px;
    left: 0;
    width: 100%;
    line-height: 0;
    z-index: 2;
}

.hero-wave svg {
    width: 100%;
    height: 65px;
}

/* ==========================================================================
   STATS BAR
   ========================================================================== */
.stats-bar {
    margin-top: -35px;
    position: relative;
    z-index: 5;
}

.stats-grid {
    background: var(--white);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
    border: 1px solid rgba(2, 132, 199, 0.12);
    padding: 32px 28px;
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
}

.stat-item {
    text-align: center;
    padding: 8px;
    border-right: 1px dashed rgba(2, 132, 199, 0.2);
}

.stat-item:last-child {
    border-right: none;
}

.stat-icon {
    width: 52px;
    height: 52px;
    border-radius: 16px;
    background: linear-gradient(135deg, var(--primary-soft), var(--accent-pink-soft));
    color: var(--primary);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-size: 1.4rem;
    margin-bottom: 10px;
}

.stat-number {
    font-family: 'Plus Jakarta Sans', sans-serif;
    font-size: 2.1rem;
    font-weight: 800;
    color: var(--dark);
}

.stat-label {
    font-size: 0.9rem;
    color: var(--text-muted);
    font-weight: 500;
}

/* ==========================================================================
   SECTION HEADERS & 6-IN-1 FEATURES
   ========================================================================== */
.section-header {
    max-width: 720px;
    margin: 0 auto 54px;
}

.section-subtitle {
    display: inline-block;
    background: var(--primary-soft);
    color: var(--primary-dark);
    font-weight: 800;
    font-size: 0.78rem;
    letter-spacing: 1.5px;
    padding: 6px 16px;
    border-radius: 50px;
    margin-bottom: 12px;
}

.section-title {
    font-size: 2.35rem;
    font-weight: 800;
    margin-bottom: 14px;
}

.section-desc {
    color: var(--text-muted);
    font-size: 1.02rem;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 28px;
}

.feature-card {
    background: var(--white);
    border-radius: var(--radius-lg);
    padding: 34px 28px;
    border: 1px solid rgba(2, 132, 199, 0.12);
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}

.feature-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-md);
    border-color: var(--primary-light);
}

.f-icon-wrap {
    width: 62px;
    height: 62px;
    border-radius: 18px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.6rem;
    margin-bottom: 22px;
    position: relative;
}

.f-icon-wrap.blue { background: #e0f2fe; color: #0284c7; }
.f-icon-wrap.pink { background: #fce7f3; color: #db2777; }
.f-icon-wrap.green { background: #d1fae5; color: #059669; }
.f-icon-wrap.purple { background: #ede9fe; color: #7c3aed; }
.f-icon-wrap.orange { background: #fef3c7; color: #d97706; }
.f-icon-wrap.cyan { background: #cffafe; color: #0891b2; }

.f-num {
    position: absolute;
    top: -8px;
    right: -8px;
    background: var(--dark);
    color: var(--white);
    font-size: 0.7rem;
    font-weight: 800;
    width: 24px;
    height: 24px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
}

.feature-card h3 {
    font-size: 1.25rem;
    margin-bottom: 10px;
}

.feature-card p {
    font-size: 0.94rem;
    color: var(--text-muted);
}

/* ==========================================================================
   PRODUCTS SECTION (5L & 10L)
   ========================================================================== */
.products {
    background: linear-gradient(180deg, #f8fafc 0%, #f0f9ff 100%);
}

.product-tabs {
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    gap: 10px;
    margin-bottom: 42px;
}

.p-tab {
    padding: 11px 24px;
    border-radius: 50px;
    border: 1.5px solid rgba(2, 132, 199, 0.2);
    background: var(--white);
    color: var(--text-main);
    font-family: inherit;
    font-weight: 700;
    font-size: 0.92rem;
    cursor: pointer;
    transition: var(--transition);
}

.p-tab.active, .p-tab:hover {
    background: linear-gradient(135deg, var(--primary), var(--accent-pink));
    color: var(--white);
    border-color: transparent;
    box-shadow: 0 8px 20px rgba(2, 132, 199, 0.25);
}

.products-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
    margin-bottom: 56px;
}

.product-card {
    background: var(--white);
    border-radius: var(--radius-lg);
    overflow: hidden;
    border: 2px solid transparent;
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
    position: relative;
    display: flex;
    flex-direction: column;
}

.product-card.featured {
    border-color: var(--primary);
    box-shadow: var(--shadow-md);
    transform: translateY(-6px);
}

.product-card:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-lg);
}

.p-badge {
    position: absolute;
    top: 16px;
    left: 16px;
    z-index: 4;
    padding: 6px 14px;
    border-radius: 50px;
    font-size: 0.75rem;
    font-weight: 800;
    color: var(--white);
    display: inline-flex;
    align-items: center;
    gap: 6px;
}

.p-badge.bestseller { background: linear-gradient(90deg, #ec4899, #be185d); }
.p-badge.savings { background: linear-gradient(90deg, #0284c7, #1d4ed8); }
.p-badge.freeship { background: linear-gradient(90deg, #059669, #10b981); }

.p-visual {
    padding: 36px 20px 20px;
    text-align: center;
    position: relative;
}

.bg-pink-soft { background: radial-gradient(circle, #fdf2f8 0%, #fce7f3 100%); }
.bg-blue-soft { background: radial-gradient(circle, #f0f9ff 0%, #e0f2fe 100%); }
.bg-gradient-soft { background: linear-gradient(135deg, #e0f2fe 0%, #fce7f3 100%); }

.p-volume-pill {
    position: absolute;
    top: 16px;
    right: 16px;
    background: var(--white);
    color: var(--accent-pink-dark);
    font-weight: 800;
    font-size: 0.76rem;
    padding: 4px 12px;
    border-radius: 50px;
    box-shadow: var(--shadow-sm);
}

.p-volume-pill.dark { color: var(--primary-dark); }
.p-volume-pill.combo { color: #059669; }

.p-svg-holder {
    height: 195px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 10px 0;
}

.card-jug-svg {
    height: 185px;
    width: auto;
    filter: drop-shadow(0 12px 18px rgba(15, 23, 42, 0.16));
    transition: var(--transition);
}

.product-card:hover .card-jug-svg {
    transform: scale(1.06);
}

.combo-holder {
    position: relative;
    gap: 6px;
}

.combo-10 { height: 175px; }
.combo-5 { height: 150px; }

.combo-badge-plus {
    width: 30px;
    height: 30px;
    border-radius: 50%;
    background: var(--accent-gold);
    color: var(--white);
    font-weight: 800;
    display: flex;
    align-items: center;
    justify-content: center;
}

.scent-selector-mini {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: rgba(255, 255, 255, 0.85);
    padding: 6px 14px;
    border-radius: 50px;
    font-size: 0.78rem;
    font-weight: 600;
}

.scent-dot {
    width: 20px;
    height: 20px;
    border-radius: 50%;
    border: 2px solid var(--white);
    cursor: pointer;
    box-shadow: 0 2px 6px rgba(0,0,0,0.15);
    transition: var(--transition);
}

.scent-dot.active, .scent-dot:hover {
    transform: scale(1.22);
    outline: 2px solid var(--dark);
}

.p-body {
    padding: 26px;
    display: flex;
    flex-direction: column;
    flex: 1;
}

.p-category {
    font-size: 0.8rem;
    font-weight: 700;
    color: var(--primary);
    text-transform: uppercase;
    margin-bottom: 6px;
}

.p-title {
    font-size: 1.38rem;
    margin-bottom: 6px;
}

.p-selected-scent {
    font-size: 0.86rem;
    color: var(--accent-pink-dark);
    margin-bottom: 16px;
}

.p-specs {
    margin-bottom: 22px;
    flex: 1;
}

.p-specs li {
    font-size: 0.9rem;
    margin-bottom: 9px;
    display: flex;
    align-items: flex-start;
    gap: 8px;
}

.p-specs li i {
    color: var(--accent-green);
    margin-top: 4px;
}

.p-price-box {
    background: var(--light-bg);
    padding: 14px 18px;
    border-radius: var(--radius-md);
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 18px;
}

.old-price {
    text-decoration: line-through;
    color: var(--text-muted);
    font-size: 0.86rem;
}

.current-price {
    font-family: 'Plus Jakarta Sans', sans-serif;
    font-size: 1.65rem;
    font-weight: 800;
    color: var(--accent-pink-dark);
    line-height: 1.1;
}

.current-price small {
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--text-main);
}

.price-save {
    background: #fef3c7;
    color: #b45309;
    font-weight: 800;
    font-size: 0.78rem;
    padding: 5px 12px;
    border-radius: 50px;
}

.price-save.hot {
    background: #fee2e2;
    color: #dc2626;
}

.p-actions {
    display: flex;
    gap: 10px;
}

.btn-icon {
    width: 48px;
    height: 48px;
    flex-shrink: 0;
    border-radius: 50%;
}

/* Comparison Table */
.comparison-box {
    background: var(--white);
    border-radius: var(--radius-lg);
    padding: 36px;
    box-shadow: var(--shadow-sm);
    border: 1px solid rgba(2, 132, 199, 0.15);
}

.comp-header {
    text-align: center;
    margin-bottom: 26px;
}

.comp-header h3 {
    font-size: 1.45rem;
    margin-bottom: 6px;
    color: var(--primary-dark);
}

.table-responsive {
    overflow-x: auto;
}

.comp-table {
    width: 100%;
    border-collapse: collapse;
    text-align: left;
}

.comp-table th, .comp-table td {
    padding: 15px 18px;
    border-bottom: 1px solid #e2e8f0;
    font-size: 0.93rem;
}

.comp-table th {
    background: var(--primary-soft);
    color: var(--primary-dark);
    font-weight: 800;
}

.comp-table .highlight-col {
    background: rgba(2, 132, 199, 0.05);
    color: var(--primary-dark);
}

/* ==========================================================================
   SCENT EXPERIENCE
   ========================================================================== */
.scent-interactive {
    max-width: 1020px;
    margin: 0 auto;
}

.scent-tabs {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 16px;
    margin-bottom: 28px;
}

.scent-tab {
    background: var(--light-bg);
    border: 2px solid transparent;
    border-radius: var(--radius-md);
    padding: 18px 20px;
    display: flex;
    align-items: center;
    gap: 14px;
    cursor: pointer;
    text-align: left;
    font-family: inherit;
    transition: var(--transition);
}

.scent-tab.active, .scent-tab:hover {
    background: var(--white);
    border-color: var(--primary);
    box-shadow: var(--shadow-sm);
}

.s-dot {
    width: 24px;
    height: 24px;
    border-radius: 50%;
    flex-shrink: 0;
}

.s-dot.pink { background: linear-gradient(135deg, #ec4899, #be185d); }
.s-dot.blue { background: linear-gradient(135deg, #38bdf8, #0284c7); }
.s-dot.purple { background: linear-gradient(135deg, #a78bfa, #6d28d9); }

.s-tab-info {
    display: flex;
    flex-direction: column;
}

.s-tab-info strong {
    font-size: 0.96rem;
    color: var(--dark);
}

.s-tab-info span {
    font-size: 0.8rem;
    color: var(--text-muted);
}

.scent-panel {
    display: none;
    background: var(--white);
    border-radius: var(--radius-lg);
    padding: 40px;
    box-shadow: var(--shadow-md);
    border: 1px solid rgba(2, 132, 199, 0.12);
}

.scent-panel.active {
    display: block;
    animation: fadeIn 0.4s ease;
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(10px); }
    to { opacity: 1; transform: translateY(0); }
}

.scent-panel-grid {
    display: grid;
    grid-template-columns: 1.3fr 0.7fr;
    gap: 36px;
    align-items: center;
}

.scent-tag {
    display: inline-block;
    padding: 4px 12px;
    border-radius: 50px;
    font-size: 0.75rem;
    font-weight: 800;
    margin-bottom: 12px;
}

.scent-tag.pink { background: var(--accent-pink-soft); color: var(--accent-pink-dark); }
.scent-tag.blue { background: var(--primary-soft); color: var(--primary-dark); }
.scent-tag.purple { background: #ede9fe; color: #6d28d9; }

.scent-info h3 {
    font-size: 1.6rem;
    margin-bottom: 12px;
}

.scent-info p {
    color: var(--text-muted);
    margin-bottom: 24px;
}

.note-item {
    margin-bottom: 14px;
}

.note-label {
    display: flex;
    justify-content: space-between;
    font-size: 0.88rem;
    margin-bottom: 6px;
}

.progress-bar {
    height: 9px;
    background: #f1f5f9;
    border-radius: 50px;
    overflow: hidden;
}

.progress-fill {
    height: 100%;
    border-radius: 50px;
}

.progress-fill.pink { background: linear-gradient(90deg, #f472b6, #db2777); }
.progress-fill.blue { background: linear-gradient(90deg, #38bdf8, #0284c7); }
.progress-fill.purple { background: linear-gradient(90deg, #a78bfa, #7c3aed); }

.scent-visual {
    display: flex;
    justify-content: center;
}

.aura-circle {
    width: 220px;
    height: 220px;
    border-radius: 50%;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    text-align: center;
    padding: 24px;
    color: var(--white);
    box-shadow: 0 20px 40px rgba(0,0,0,0.12);
}

.pink-aura .aura-circle { background: linear-gradient(135deg, #ec4899, #be185d); }
.blue-aura .aura-circle { background: linear-gradient(135deg, #0284c7, #1e40af); }
.purple-aura .aura-circle { background: linear-gradient(135deg, #8b5cf6, #5b21b6); }

.aura-circle i { font-size: 2.8rem; margin-bottom: 10px; }
.aura-circle strong { font-size: 1.8rem; font-family: 'Plus Jakarta Sans', sans-serif; }
.aura-circle span { font-size: 0.82rem; opacity: 0.9; }

/* ==========================================================================
   USAGE GUIDE & SAVINGS CALCULATOR
   ========================================================================== */
.calculator-section {
    background: linear-gradient(135deg, #f0f9ff 0%, #fdf2f8 100%);
}

.calc-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 48px;
    align-items: center;
}

.steps-list {
    margin-top: 28px;
    display: flex;
    flex-direction: column;
    gap: 18px;
}

.step-card {
    background: var(--white);
    padding: 20px 24px;
    border-radius: var(--radius-md);
    display: flex;
    align-items: flex-start;
    gap: 18px;
    box-shadow: var(--shadow-sm);
}

.step-num {
    width: 42px;
    height: 42px;
    border-radius: 12px;
    background: linear-gradient(135deg, var(--primary), var(--accent-pink));
    color: var(--white);
    font-weight: 800;
    font-size: 1.15rem;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.step-body h4 {
    font-size: 1.08rem;
    margin-bottom: 4px;
}

.step-body p {
    font-size: 0.9rem;
    color: var(--text-muted);
}

.calc-box {
    background: var(--white);
    border-radius: var(--radius-xl);
    padding: 38px;
    box-shadow: var(--shadow-lg);
    border: 2px solid rgba(2, 132, 199, 0.15);
}

.calc-badge {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    background: #fef3c7;
    color: #b45309;
    font-weight: 800;
    font-size: 0.76rem;
    padding: 5px 14px;
    border-radius: 50px;
    margin-bottom: 12px;
}

.calc-header h3 {
    font-size: 1.5rem;
    margin-bottom: 8px;
}

.calc-header p {
    font-size: 0.92rem;
    color: var(--text-muted);
    margin-bottom: 24px;
}

.slider-group {
    margin-bottom: 26px;
}

.slider-label {
    display: flex;
    justify-content: space-between;
    margin-bottom: 10px;
    font-size: 0.96rem;
}

.slider-label strong {
    color: var(--primary);
    font-size: 1.15rem;
}

.custom-slider {
    width: 100%;
    height: 10px;
    border-radius: 50px;
    background: #e2e8f0;
    outline: none;
    -webkit-appearance: none;
}

.custom-slider::-webkit-slider-thumb {
    -webkit-appearance: none;
    width: 26px;
    height: 26px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--primary), var(--accent-pink));
    cursor: pointer;
    border: 3px solid var(--white);
    box-shadow: 0 4px 10px rgba(2, 132, 199, 0.4);
}

.slider-ticks {
    display: flex;
    justify-content: space-between;
    font-size: 0.78rem;
    color: var(--text-muted);
    margin-top: 8px;
}

.calc-results {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
    margin-bottom: 20px;
}

.calc-res-card {
    background: var(--light-bg);
    padding: 18px;
    border-radius: var(--radius-md);
    text-align: center;
    border: 1.5px solid #e2e8f0;
}

.calc-res-card.highlight {
    background: var(--primary-soft);
    border-color: var(--primary);
}

.res-title {
    display: block;
    font-size: 0.82rem;
    color: var(--text-muted);
}

.res-val {
    display: block;
    font-family: 'Plus Jakarta Sans', sans-serif;
    font-size: 1.55rem;
    font-weight: 800;
    color: var(--dark);
    margin: 4px 0;
}

.res-sub {
    font-size: 0.78rem;
    color: var(--primary-dark);
    font-weight: 600;
}

.yearly-saving-banner {
    background: linear-gradient(90deg, #ecfdf5, #d1fae5);
    border: 1px solid #6ee7b7;
    padding: 16px 20px;
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    gap: 14px;
    margin-bottom: 22px;
}

.ys-icon {
    font-size: 1.8rem;
    color: #059669;
}

.ys-text {
    display: flex;
    flex-direction: column;
}

.ys-text span {
    font-size: 0.8rem;
    color: #065f46;
}

.ys-text strong {
    font-size: 1.25rem;
    color: #047857;
}

/* ==========================================================================
   TESTIMONIALS & FAQ
   ========================================================================== */
.reviews-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 28px;
}

.review-card {
    background: var(--white);
    border-radius: var(--radius-lg);
    padding: 30px;
    box-shadow: var(--shadow-sm);
    border: 1px solid #e2e8f0;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
}

.rev-top {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: 16px;
}

.rev-user {
    display: flex;
    align-items: center;
    gap: 12px;
}

.rev-avatar {
    width: 46px;
    height: 46px;
    border-radius: 50%;
    color: var(--white);
    font-weight: 800;
    display: flex;
    align-items: center;
    justify-content: center;
}

.rev-avatar.pink { background: #ec4899; }
.rev-avatar.blue { background: #0284c7; }
.rev-avatar.green { background: #10b981; }

.rev-user h4 { font-size: 1rem; }
.rev-user span { font-size: 0.78rem; color: var(--text-muted); }

.rev-stars { color: #f59e0b; font-size: 0.85rem; }

.rev-text {
    font-size: 0.93rem;
    font-style: italic;
    color: var(--text-main);
    margin-bottom: 18px;
}

.rev-verified {
    font-size: 0.8rem;
    font-weight: 700;
    color: var(--accent-green);
}

/* FAQ */
.faq {
    background: var(--light-bg);
}

.faq-container {
    max-width: 820px;
    margin: 0 auto;
}

.faq-item {
    background: var(--white);
    border-radius: var(--radius-md);
    margin-bottom: 14px;
    border: 1px solid #e2e8f0;
    overflow: hidden;
}

.faq-question {
    width: 100%;
    padding: 20px 24px;
    background: none;
    border: none;
    display: flex;
    justify-content: space-between;
    align-items: center;
    text-align: left;
    font-family: inherit;
    font-size: 1.02rem;
    font-weight: 700;
    color: var(--dark);
    cursor: pointer;
}

.faq-question i {
    color: var(--primary);
    transition: var(--transition);
}

.faq-item.active .faq-question i {
    transform: rotate(180deg);
}

.faq-answer {
    display: none;
    padding: 0 24px 20px;
    font-size: 0.94rem;
    color: var(--text-muted);
    border-top: 1px dashed #e2e8f0;
    padding-top: 14px;
}

/* ==========================================================================
   ORDER & COMPANY INFO SECTION
   ========================================================================== */
.order-section {
    background: linear-gradient(135deg, #0369a1 0%, #0f172a 55%, #831843 100%);
    color: var(--white);
    position: relative;
}

.order-wrapper {
    display: grid;
    grid-template-columns: 1.05fr 0.95fr;
    gap: 48px;
    align-items: center;
}

.promo-tag-white {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: rgba(255, 255, 255, 0.15);
    padding: 6px 16px;
    border-radius: 50px;
    font-size: 0.8rem;
    font-weight: 700;
    color: #fde047;
    margin-bottom: 16px;
}

.order-info h2 {
    color: var(--white);
    font-size: 2.5rem;
    margin-bottom: 12px;
}

.order-lead {
    color: #e2e8f0;
    font-size: 1.02rem;
    margin-bottom: 24px;
}

.countdown-box {
    background: rgba(255, 255, 255, 0.1);
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: var(--radius-md);
    padding: 18px 24px;
    margin-bottom: 28px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 14px;
}

.cd-title {
    font-weight: 700;
    color: #fde047;
}

.cd-timer {
    display: flex;
    align-items: center;
    gap: 8px;
}

.cd-unit {
    background: var(--white);
    color: var(--dark);
    padding: 8px 14px;
    border-radius: 10px;
    text-align: center;
    min-width: 58px;
}

.cd-unit span {
    display: block;
    font-weight: 800;
    font-size: 1.35rem;
    line-height: 1;
}

.cd-unit small {
    font-size: 0.7rem;
    color: var(--text-muted);
}

.cd-sep {
    font-weight: 800;
    font-size: 1.4rem;
}

.company-card {
    background: rgba(15, 23, 42, 0.65);
    border: 1px solid rgba(56, 189, 248, 0.35);
    border-radius: var(--radius-lg);
    padding: 26px;
}

.comp-card-head {
    display: flex;
    align-items: center;
    gap: 14px;
    padding-bottom: 16px;
    margin-bottom: 16px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.12);
}

.comp-card-head i {
    font-size: 2rem;
    color: #38bdf8;
}

.comp-card-head span {
    font-size: 0.74rem;
    letter-spacing: 1px;
    color: #94a3b8;
    font-weight: 700;
}

.comp-card-head h4 {
    color: #fde047;
    font-size: 1.15rem;
}

.comp-details li {
    display: flex;
    align-items: flex-start;
    gap: 12px;
    margin-bottom: 14px;
    font-size: 0.94rem;
}

.comp-details li:last-child { margin-bottom: 0; }

.comp-details li i {
    color: #38bdf8;
    margin-top: 5px;
}

.comp-details li div {
    display: flex;
    flex-direction: column;
}

.hotline-highlight {
    font-size: 1.45rem;
    font-weight: 800;
    color: #fde047;
}

/* Order Form Card */
.order-form-card {
    background: var(--white);
    color: var(--text-main);
    border-radius: var(--radius-xl);
    padding: 38px;
    box-shadow: 0 25px 60px rgba(0, 0, 0, 0.35);
}

.form-header {
    text-align: center;
    margin-bottom: 24px;
}

.form-header h3 {
    font-size: 1.5rem;
    margin-bottom: 6px;
}

.form-header p {
    font-size: 0.88rem;
    color: var(--text-muted);
}

.form-group {
    margin-bottom: 16px;
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 14px;
}

.form-group label {
    display: block;
    font-weight: 700;
    font-size: 0.86rem;
    color: var(--dark);
    margin-bottom: 6px;
}

.req { color: #ef4444; }

.input-icon {
    position: relative;
}

.input-icon i {
    position: absolute;
    left: 15px;
    top: 50%;
    transform: translateY(-50%);
    color: var(--text-muted);
}

.input-icon input, .form-group select {
    width: 100%;
    padding: 13px 15px 13px 42px;
    border-radius: 12px;
    border: 1.5px solid #cbd5e1;
    font-family: inherit;
    font-size: 0.94rem;
    transition: var(--transition);
    outline: none;
}

.form-group select {
    padding-left: 14px;
}

.input-icon input:focus, .form-group select:focus {
    border-color: var(--primary);
    box-shadow: 0 0 0 4px rgba(2, 132, 199, 0.12);
}

.submit-order-btn {
    margin-top: 8px;
}

.submit-order-btn:disabled {
    background: #cbd5e1;
    color: #64748b;
    cursor: not-allowed;
    box-shadow: none;
    transform: none !important;
    filter: none !important;
}

/* Honeypot Trap (Invisible to real users) */
.hp-trap {
    position: absolute;
    left: -9999px;
    top: -9999px;
    opacity: 0;
    height: 0;
    width: 0;
    overflow: hidden;
    pointer-events: none;
}

/* Anti-Bot Box */
.antibot-box {
    background: #f8fafc;
    border: 1.5px solid #cbd5e1;
    border-radius: 14px;
    padding: 14px 16px;
    margin-bottom: 14px;
    transition: var(--transition);
}

.antibot-box.verified {
    background: #ecfdf5;
    border-color: #10b981;
}

.antibot-top {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 10px;
}

.antibot-check-wrap {
    display: flex;
    align-items: center;
    gap: 10px;
    cursor: pointer;
    margin-bottom: 0 !important;
    user-select: none;
}

.antibot-check-wrap input {
    width: 20px;
    height: 20px;
    accent-color: var(--primary);
    cursor: pointer;
}

.antibot-text {
    font-size: 0.9rem;
    font-weight: 700;
    color: var(--dark);
}

.antibot-brand {
    display: flex;
    align-items: center;
    gap: 5px;
    font-size: 0.72rem;
    font-weight: 800;
    color: var(--primary-dark);
    background: var(--primary-soft);
    padding: 4px 10px;
    border-radius: 50px;
}

.antibot-math {
    margin-top: 12px;
    padding-top: 12px;
    border-top: 1px dashed #cbd5e1;
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 10px;
}

.math-question-wrap {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 0.88rem;
}

.math-question-wrap strong {
    background: var(--white);
    border: 1px solid #cbd5e1;
    padding: 4px 12px;
    border-radius: 8px;
    font-size: 1rem;
    color: var(--primary-dark);
    letter-spacing: 1px;
}

.refresh-math {
    background: var(--white);
    border: 1px solid #cbd5e1;
    border-radius: 8px;
    width: 30px;
    height: 30px;
    cursor: pointer;
    font-weight: 800;
    color: var(--text-main);
    transition: var(--transition);
}

.refresh-math:hover {
    background: var(--primary-soft);
    color: var(--primary);
}

.math-input-wrap {
    display: flex;
    align-items: center;
    gap: 8px;
    flex: 1;
    min-width: 140px;
}

.math-input-wrap input {
    width: 100%;
    padding: 8px 12px;
    border-radius: 8px;
    border: 1.5px solid #cbd5e1;
    font-family: inherit;
    font-weight: 700;
    font-size: 0.92rem;
    outline: none;
}

.math-input-wrap input:focus {
    border-color: var(--primary);
}

.math-status {
    font-size: 1.1rem;
    font-weight: 800;
}

.antibot-error {
    display: none;
    background: #fee2e2;
    color: #dc2626;
    font-size: 0.84rem;
    font-weight: 600;
    padding: 10px 14px;
    border-radius: 10px;
    margin-bottom: 12px;
    text-align: center;
}

.form-guarantees {
    display: flex;
    justify-content: center;
    gap: 20px;
    margin-top: 16px;
    font-size: 0.8rem;
    color: var(--text-muted);
}

.form-guarantees i { color: var(--accent-green); }

/* ==========================================================================
   FOOTER
   ========================================================================== */
.footer {
    background: #090d16;
    color: #94a3b8;
    padding: 70px 0 30px;
}

.footer-grid {
    display: grid;
    grid-template-columns: 1.2fr 0.8fr 1.2fr;
    gap: 40px;
    padding-bottom: 45px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.footer-logo .brand-name {
    color: var(--white);
    -webkit-text-fill-color: var(--white);
}

.footer-slogan {
    color: #38bdf8;
    font-weight: 700;
    font-style: italic;
    margin: 14px 0 10px;
}

.footer-col h4 {
    color: var(--white);
    font-size: 1.12rem;
    margin-bottom: 20px;
}

.footer-links li {
    margin-bottom: 10px;
}

.footer-links a:hover {
    color: #38bdf8;
    padding-left: 5px;
}

.footer-contact-list li {
    display: flex;
    gap: 12px;
    margin-bottom: 14px;
}

.footer-contact-list i {
    color: #ec4899;
    margin-top: 5px;
}

.footer-contact-list a {
    color: #fde047;
    font-weight: 800;
}

.footer-bottom {
    padding-top: 25px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 0.86rem;
}

.back-to-top {
    width: 42px;
    height: 42px;
    border-radius: 50%;
    background: var(--primary);
    color: var(--white);
    display: flex;
    align-items: center;
    justify-content: center;
}

/* ==========================================================================
   FLOATING HOTLINE, TOAST & MODAL
   ========================================================================== */
.floating-actions {
    position: fixed;
    bottom: 24px;
    right: 24px;
    z-index: 990;
    display: flex;
    flex-direction: column;
    align-items: flex-end;
    gap: 12px;
}

.float-btn {
    display: flex;
    align-items: center;
    gap: 10px;
    border-radius: 50px;
    color: var(--white);
    font-weight: 800;
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.22);
}

.zalo-btn {
    background: #0068ff;
    padding: 10px 18px;
    font-size: 0.88rem;
}

.call-btn {
    background: linear-gradient(135deg, #ef4444, #db2777);
    padding: 12px 22px;
    font-size: 1rem;
    position: relative;
}

.call-ring {
    position: absolute;
    inset: 0;
    border-radius: 50px;
    border: 2px solid #ef4444;
    animation: ringPulse 1.8s infinite;
}

@keyframes ringPulse {
    0% { transform: scale(1); opacity: 0.8; }
    100% { transform: scale(1.22); opacity: 0; }
}

/* Sales Toast */
.sales-toast {
    position: fixed;
    bottom: 24px;
    left: 24px;
    z-index: 985;
    background: var(--white);
    border-radius: 16px;
    padding: 12px 18px;
    box-shadow: 0 15px 35px rgba(15, 23, 42, 0.18);
    border-left: 4px solid var(--primary);
    display: flex;
    align-items: center;
    gap: 12px;
    max-width: 340px;
    transform: translateY(150%);
    opacity: 0;
    transition: all 0.5s cubic-bezier(0.16, 1, 0.3, 1);
}

.sales-toast.show {
    transform: translateY(0);
    opacity: 1;
}

.toast-icon {
    width: 40px;
    height: 40px;
    border-radius: 12px;
    background: var(--primary-soft);
    color: var(--primary);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.toast-body {
    display: flex;
    flex-direction: column;
    line-height: 1.3;
}

.toast-body strong { font-size: 0.84rem; color: var(--dark); }
.toast-body span { font-size: 0.78rem; color: var(--text-main); }
.toast-body small { font-size: 0.7rem; color: var(--accent-pink); font-weight: 600; }

.toast-close {
    background: none;
    border: none;
    font-size: 1.2rem;
    color: var(--text-muted);
    cursor: pointer;
}

/* Modal */
.modal-overlay {
    position: fixed;
    inset: 0;
    background: rgba(15, 23, 42, 0.65);
    backdrop-filter: blur(6px);
    z-index: 2000;
    display: none;
    align-items: center;
    justify-content: center;
    padding: 20px;
}

.modal-box {
    background: var(--white);
    border-radius: var(--radius-lg);
    max-width: 520px;
    width: 100%;
    padding: 34px;
    position: relative;
    box-shadow: var(--shadow-lg);
    animation: fadeIn 0.3s ease;
}

.modal-close {
    position: absolute;
    top: 16px;
    right: 20px;
    background: none;
    border: none;
    font-size: 1.8rem;
    cursor: pointer;
    color: var(--text-muted);
}

/* Reveal Animations */
.reveal-up, .reveal-left, .reveal-right {
    opacity: 0;
    transition: all 0.75s cubic-bezier(0.16, 1, 0.3, 1);
}

.reveal-up { transform: translateY(35px); }
.reveal-left { transform: translateX(-35px); }
.reveal-right { transform: translateX(35px); }

.revealed {
    opacity: 1;
    transform: translate(0, 0);
}

/* Mobile Bottom Sticky Action Bar (Hidden on Desktop) */
.mobile-bottom-bar {
    display: none;
}

/* ==========================================================================
   RESPONSIVE DESIGN & MOBILE OPTIMIZATION
   ========================================================================== */
@media (max-width: 1024px) {
    .hero-container,
    .calc-grid,
    .order-wrapper,
    .scent-panel-grid {
        grid-template-columns: 1fr;
    }

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

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

    .stat-item:nth-child(2) {
        border-right: none;
    }

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

@media (max-width: 768px) {
    body {
        padding-bottom: 66px; /* Space for mobile bottom sticky bar */
        -webkit-tap-highlight-color: transparent;
    }

    .section-padding {
        padding: 56px 0;
    }

    .container {
        padding: 0 16px;
    }

    .top-bar {
        font-size: 0.76rem;
        padding: 6px 0;
    }

    .top-promo {
        justify-content: center;
        text-align: center;
        width: 100%;
    }

    .top-contact, .hide-mobile {
        display: none;
    }

    .nav-container {
        height: 64px;
    }

    .logo-icon {
        width: 38px;
        height: 38px;
        font-size: 1.15rem;
    }

    .brand-name {
        font-size: 1.4rem;
    }

    .nav-actions .btn-sm {
        padding: 8px 14px;
        font-size: 0.8rem;
    }

    .mobile-toggle {
        display: flex;
    }

    .mobile-toggle.active span:nth-child(1) {
        transform: translateY(7.5px) rotate(45deg);
    }
    .mobile-toggle.active span:nth-child(2) {
        opacity: 0;
    }
    .mobile-toggle.active span:nth-child(3) {
        transform: translateY(-7.5px) rotate(-45deg);
    }

    .nav-menu {
        position: absolute;
        top: 100%;
        left: 0;
        width: 100%;
        background: var(--white);
        padding: 18px 20px;
        box-shadow: 0 16px 32px rgba(15, 23, 42, 0.15);
        border-top: 1px solid #e2e8f0;
        display: none;
        z-index: 999;
    }

    .nav-menu.open {
        display: block;
    }

    .nav-list {
        flex-direction: column;
        align-items: flex-start;
        gap: 4px;
    }

    .nav-link {
        display: block;
        width: 100%;
        padding: 10px 4px;
        font-size: 0.98rem;
        border-bottom: 1px dashed #f1f5f9;
    }

    /* Hero Mobile Optimization */
    .hero {
        padding: 36px 0 85px;
    }

    .hero-container {
        gap: 28px;
        text-align: center;
    }

    .hero-pill {
        font-size: 0.72rem;
        padding: 6px 12px;
    }

    .hero-title {
        font-size: 2rem;
    }

    .slogan-highlight {
        font-size: 1.55rem;
    }

    .hero-desc {
        font-size: 0.96rem;
        margin-left: auto;
        margin-right: auto;
    }

    .hero-badges {
        justify-content: center;
        gap: 8px;
    }

    .h-badge {
        font-size: 0.8rem;
        padding: 6px 12px;
    }

    .hero-cta-group {
        flex-direction: column;
        gap: 10px;
    }

    .hero-cta-group .btn-lg {
        width: 100%;
        padding: 14px 20px;
        font-size: 0.96rem;
    }

    .hero-trust {
        flex-direction: column;
        text-align: center;
        gap: 10px;
    }

    .hero-stage {
        min-height: 310px;
    }

    .jugs-showcase {
        max-width: 310px;
        height: 300px;
        margin: 0 auto;
    }

    .jug-10l-wrap {
        width: 185px;
        right: 4px;
    }

    .jug-5l-wrap {
        width: 160px;
        left: 4px;
    }

    .jug-tag {
        font-size: 0.7rem;
        padding: 4px 10px;
    }

    .floating-card {
        display: none;
    }

    /* Stats Grid Mobile */
    .stats-grid {
        padding: 20px 14px;
        gap: 14px;
    }

    .stat-item {
        border-right: none;
        padding: 6px;
    }

    .stat-number {
        font-size: 1.6rem;
    }

    .stat-label {
        font-size: 0.8rem;
    }

    /* Section Titles & Cards */
    .section-header {
        margin-bottom: 34px;
    }

    .section-title {
        font-size: 1.75rem;
    }

    .section-desc {
        font-size: 0.94rem;
    }

    .features-grid,
    .products-grid,
    .reviews-grid,
    .scent-tabs,
    .form-row,
    .footer-grid {
        grid-template-columns: 1fr;
        gap: 20px;
    }

    .product-card.featured {
        transform: none;
    }

    /* Scrollable Product Filter Tabs on Mobile */
    .product-tabs {
        flex-wrap: nowrap;
        justify-content: flex-start;
        overflow-x: auto;
        padding-bottom: 8px;
        margin-bottom: 26px;
        -webkit-overflow-scrolling: touch;
    }

    .p-tab {
        flex-shrink: 0;
        padding: 9px 18px;
        font-size: 0.85rem;
    }

    .comparison-box {
        padding: 22px 16px;
    }

    .comp-header h3 {
        font-size: 1.2rem;
    }

    .comp-table th, .comp-table td {
        padding: 12px;
        font-size: 0.84rem;
        min-width: 135px;
    }

    /* Scent & Calculator Mobile */
    .scent-panel {
        padding: 24px 18px;
    }

    .scent-info h3 {
        font-size: 1.3rem;
    }

    .aura-circle {
        width: 170px;
        height: 170px;
    }

    .calc-box, .order-form-card {
        padding: 24px 18px;
        border-radius: var(--radius-lg);
    }

    .calc-results {
        grid-template-columns: 1fr;
        gap: 12px;
    }

    .order-info h2 {
        font-size: 1.85rem;
    }

    .countdown-box {
        justify-content: center;
        text-align: center;
        padding: 14px;
    }

    /* Prevent iOS Safari Auto-Zoom on form focus (requires >= 16px font) */
    .input-icon input,
    .form-group select,
    .math-input-wrap input {
        font-size: 16px;
    }

    .antibot-top {
        flex-wrap: wrap;
    }

    .antibot-math {
        flex-direction: column;
        align-items: stretch;
    }

    .math-question-wrap {
        justify-content: space-between;
    }

    .form-guarantees {
        flex-direction: column;
        align-items: center;
        gap: 8px;
    }

    .footer {
        padding: 50px 0 24px;
    }

    .footer-bottom {
        flex-direction: column;
        gap: 14px;
        text-align: center;
    }

    /* Hide desktop floating pills & toast, show sticky mobile bar instead */
    .floating-actions,
    .sales-toast {
        display: none !important;
    }

    .mobile-bottom-bar {
        position: fixed;
        bottom: 0;
        left: 0;
        width: 100%;
        height: 62px;
        background: var(--white);
        box-shadow: 0 -4px 20px rgba(15, 23, 42, 0.14);
        border-top: 1px solid #e2e8f0;
        z-index: 1050;
        display: grid;
        grid-template-columns: 1.1fr 0.9fr 1.2fr;
        gap: 6px;
        padding: 7px 10px;
    }

    .m-bar-btn {
        display: flex;
        align-items: center;
        justify-content: center;
        gap: 6px;
        border-radius: 12px;
        font-weight: 800;
        font-size: 0.8rem;
        color: var(--white);
    }

    .m-call {
        background: #0284c7;
    }

    .m-zalo {
        background: #0068ff;
    }

    .m-order {
        background: linear-gradient(135deg, #ec4899, #db2777);
    }
}

@media (max-width: 390px) {
    .hero-title {
        font-size: 1.75rem;
    }
    .slogan-highlight {
        font-size: 1.38rem;
    }
    .m-bar-btn {
        font-size: 0.74rem;
    }
}