/* ============================================
   TINH DẦU TRÀM HUẾ CHĂM CHĂM - LANDING PAGE
   Design inspired by ProBotanics Green Style
   ============================================ */

/* === CSS VARIABLES === */
:root {
    /* Primary Green Palette */
    --green-50: #f0fdf4;
    --green-100: #dcfce7;
    --green-200: #bbf7d0;
    --green-300: #86efac;
    --green-400: #4ade80;
    --green-500: #22c55e;
    --green-600: #16a34a;
    --green-700: #15803d;
    --green-800: #166534;
    --green-900: #14532d;
    --green-950: #052e16;

    /* Brand Colors */
    --brand-primary: #1a7a3a;
    --brand-primary-dark: #135a2b;
    --brand-primary-light: #2d9d50;
    --brand-secondary: #e8f5e9;
    --brand-accent: #f59e0b;
    --brand-accent-light: #fbbf24;

    /* Neutral */
    --white: #ffffff;
    --gray-50: #f9fafb;
    --gray-100: #f3f4f6;
    --gray-200: #e5e7eb;
    --gray-300: #d1d5db;
    --gray-400: #9ca3af;
    --gray-500: #6b7280;
    --gray-600: #4b5563;
    --gray-700: #374151;
    --gray-800: #1f2937;
    --gray-900: #111827;

    /* Functional */
    --danger: #ef4444;
    --shadow-sm: 0 1px 2px rgba(0,0,0,0.05);
    --shadow-md: 0 4px 6px -1px rgba(0,0,0,0.1), 0 2px 4px -2px rgba(0,0,0,0.1);
    --shadow-lg: 0 10px 15px -3px rgba(0,0,0,0.1), 0 4px 6px -4px rgba(0,0,0,0.1);
    --shadow-xl: 0 20px 25px -5px rgba(0,0,0,0.1), 0 8px 10px -6px rgba(0,0,0,0.1);
    --shadow-green: 0 10px 30px rgba(26, 122, 58, 0.3);

    /* Typography */
    --font-heading: 'Playfair Display', Georgia, serif;
    --font-body: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;

    /* Sizing */
    --container-max: 1200px;
    --section-padding: 100px;
    --border-radius: 16px;
    --border-radius-sm: 10px;
    --border-radius-lg: 24px;
}

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

html {
    scroll-behavior: smooth;
    scroll-padding-top: 80px;
}

body {
    font-family: var(--font-body);
    font-size: 16px;
    line-height: 1.7;
    color: var(--gray-700);
    background-color: var(--white);
    overflow-x: hidden;
}

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

a {
    text-decoration: none;
    color: inherit;
    transition: all 0.3s ease;
}

ul {
    list-style: none;
}

/* === CONTAINER === */
.container {
    width: 100%;
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 24px;
}

/* === BUTTONS === */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    padding: 14px 32px;
    border-radius: 50px;
    font-family: var(--font-body);
    font-weight: 600;
    font-size: 15px;
    border: 2px solid transparent;
    cursor: pointer;
    transition: all 0.35s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
    overflow: hidden;
    white-space: nowrap;
}

.btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.2), transparent);
    transition: left 0.5s ease;
}

.btn:hover::before {
    left: 100%;
}

.btn-primary {
    background: linear-gradient(135deg, var(--brand-primary), var(--brand-primary-light));
    color: var(--white);
    box-shadow: var(--shadow-green);
}

.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 14px 35px rgba(26, 122, 58, 0.4);
}

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

.btn-outline:hover {
    background: var(--brand-primary);
    color: var(--white);
    transform: translateY(-2px);
}

.btn-outline-light {
    border-color: rgba(255,255,255,0.4);
    color: var(--white);
    background: rgba(255,255,255,0.1);
    backdrop-filter: blur(4px);
    padding: 12px 28px;
    border-radius: 50px;
    font-weight: 600;
    font-size: 15px;
    cursor: pointer;
    transition: all 0.3s ease;
    display: inline-flex;
    align-items: center;
    justify-content: center;
}

.btn-outline-light:hover {
    background: rgba(255,255,255,0.25);
    border-color: rgba(255,255,255,0.7);
    transform: translateY(-2px);
}

.btn-lg {
    padding: 18px 40px;
    font-size: 16px;
}

.btn-full {
    width: 100%;
}

.btn-glow {
    animation: btnGlow 2s ease-in-out infinite;
}

@keyframes btnGlow {
    0%, 100% { box-shadow: var(--shadow-green); }
    50% { box-shadow: 0 10px 40px rgba(26, 122, 58, 0.5), 0 0 20px rgba(26, 122, 58, 0.2); }
}

/* === SECTION COMMON === */
.section-header {
    text-align: center;
    max-width: 700px;
    margin: 0 auto 60px;
}

.section-tag {
    display: inline-block;
    padding: 6px 20px;
    border-radius: 50px;
    background: var(--green-100);
    color: var(--brand-primary);
    font-weight: 600;
    font-size: 13px;
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: 16px;
}

.section-tag-light {
    background: rgba(255,255,255,0.15);
    color: var(--white);
}

.section-title {
    font-family: var(--font-heading);
    font-size: 40px;
    font-weight: 700;
    color: var(--gray-900);
    line-height: 1.3;
    margin-bottom: 16px;
}

.section-title-light {
    color: var(--white);
}

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

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

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

/* === NAVBAR === */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    padding: 16px 0;
    transition: all 0.35s ease;
    background: transparent;
}

.navbar.scrolled {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(20px);
    box-shadow: var(--shadow-md);
    padding: 10px 0;
}

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

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

.logo-img {
    height: 48px;
    width: auto;
    transition: all 0.3s ease;
}

.navbar.scrolled .logo-img {
    filter: none;
}

.logo-img-footer {
    height: 40px;
}

.logo-icon {
    font-size: 28px;
}

.logo-text {
    font-family: var(--font-heading);
    font-size: 24px;
    font-weight: 700;
    color: var(--white);
    transition: color 0.3s ease;
}

.navbar.scrolled .logo-text {
    color: var(--brand-primary);
}

.nav-links {
    display: flex;
    align-items: center;
    gap: 32px;
}

.nav-links a {
    font-weight: 500;
    font-size: 15px;
    color: rgba(255,255,255,0.9);
    position: relative;
    transition: color 0.3s ease;
}

.navbar.scrolled .nav-links a {
    color: var(--gray-600);
}

.navbar.scrolled .nav-links a:hover {
    color: var(--brand-primary);
}

.nav-links a:not(.nav-cta)::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--brand-primary);
    transition: width 0.3s ease;
}

.nav-links a:not(.nav-cta):hover::after {
    width: 100%;
}

.nav-cta {
    background: var(--brand-primary) !important;
    color: var(--white) !important;
    padding: 10px 24px;
    border-radius: 50px;
    font-weight: 600 !important;
}

.nav-cta:hover {
    background: var(--brand-primary-dark) !important;
    transform: translateY(-2px);
}

.mobile-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 4px;
}

.mobile-toggle span {
    width: 24px;
    height: 2px;
    background: var(--white);
    border-radius: 2px;
    transition: all 0.3s ease;
}

.navbar.scrolled .mobile-toggle span {
    background: var(--gray-700);
}

/* === HERO SECTION === */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    background: linear-gradient(135deg, var(--green-900) 0%, var(--brand-primary) 50%, var(--green-700) 100%);
    padding: 120px 0 80px;
    overflow: hidden;
}

.hero-bg-decoration {
    position: absolute;
    inset: 0;
    pointer-events: none;
}

.hero-leaf {
    position: absolute;
    width: 300px;
    height: 300px;
    border-radius: 50%;
    opacity: 0.08;
    background: var(--white);
}

.hero-leaf-1 {
    top: -100px;
    right: -50px;
    width: 400px;
    height: 400px;
}

.hero-leaf-2 {
    bottom: -100px;
    left: -100px;
    width: 350px;
    height: 350px;
}

.hero-circle {
    position: absolute;
    border-radius: 50%;
    border: 1px solid rgba(255,255,255,0.1);
}

.hero-circle-1 {
    width: 500px;
    height: 500px;
    top: -200px;
    left: 50%;
    animation: floatCircle 20s ease-in-out infinite;
}

.hero-circle-2 {
    width: 300px;
    height: 300px;
    bottom: -100px;
    right: 10%;
    animation: floatCircle 15s ease-in-out infinite reverse;
}

@keyframes floatCircle {
    0%, 100% { transform: translate(0, 0); }
    50% { transform: translate(30px, -30px); }
}

.hero-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
    position: relative;
    z-index: 2;
}

.hero-content {
    color: var(--white);
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 8px 20px;
    background: rgba(255,255,255,0.12);
    border: 1px solid rgba(255,255,255,0.2);
    border-radius: 50px;
    font-size: 13px;
    font-weight: 500;
    margin-bottom: 24px;
    backdrop-filter: blur(10px);
    animation: fadeInUp 0.8s ease;
}

.badge-dot {
    width: 8px;
    height: 8px;
    background: var(--brand-accent);
    border-radius: 50%;
    animation: pulse 2s ease-in-out infinite;
}

@keyframes pulse {
    0%, 100% { opacity: 1; transform: scale(1); }
    50% { opacity: 0.7; transform: scale(1.3); }
}

.hero-title {
    font-family: var(--font-heading);
    font-size: 48px;
    font-weight: 800;
    line-height: 1.2;
    margin-bottom: 20px;
    color: var(--white);
    animation: fadeInUp 0.8s ease 0.1s both;
}

.hero-highlight {
    display: block;
    color: var(--brand-accent-light);
    margin-top: 8px;
}

.hero-subtitle {
    font-size: 18px;
    line-height: 1.7;
    opacity: 0.9;
    margin-bottom: 32px;
    max-width: 500px;
    animation: fadeInUp 0.8s ease 0.2s both;
}

.hero-stats {
    display: flex;
    align-items: center;
    gap: 24px;
    margin-bottom: 36px;
    animation: fadeInUp 0.8s ease 0.3s both;
}

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

.stat-number {
    display: block;
    font-family: var(--font-heading);
    font-size: 32px;
    font-weight: 700;
    color: var(--brand-accent-light);
}

.stat-label {
    font-size: 13px;
    opacity: 0.8;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.stat-divider {
    width: 1px;
    height: 40px;
    background: rgba(255,255,255,0.2);
}

.hero-actions {
    display: flex;
    gap: 16px;
    flex-wrap: wrap;
    animation: fadeInUp 0.8s ease 0.4s both;
}

.hero-actions .btn-outline {
    border-color: rgba(255,255,255,0.4);
    color: var(--white);
}

.hero-actions .btn-outline:hover {
    background: rgba(255,255,255,0.15);
    border-color: rgba(255,255,255,0.6);
}

/* Hero Image */
.hero-image {
    display: flex;
    align-items: center;
    justify-content: center;
    animation: fadeInUp 1s ease 0.3s both;
}

.hero-image-wrapper {
    position: relative;
    max-width: 420px;
}

.hero-image-wrapper img {
    border-radius: var(--border-radius-lg);
    box-shadow: 0 30px 60px rgba(0,0,0,0.3);
    transition: transform 0.5s ease;
}

.hero-image-wrapper:hover img {
    transform: scale(1.03) translateY(-5px);
}

.hero-image-glow {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 110%;
    height: 110%;
    background: radial-gradient(ellipse, rgba(255,255,255,0.15) 0%, transparent 70%);
    pointer-events: none;
}

/* Hero Wave */
.hero-wave {
    position: absolute;
    bottom: -2px;
    left: 0;
    width: 100%;
    z-index: 3;
}

.hero-wave svg {
    display: block;
    width: 100%;
    height: 120px;
}

@keyframes fadeInUp {
    from { opacity: 0; transform: translateY(30px); }
    to { opacity: 1; transform: translateY(0); }
}

/* === PAIN POINTS === */
.pain-points {
    padding: var(--section-padding) 0;
    background: var(--white);
}

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

.pain-card {
    padding: 32px 24px;
    border-radius: var(--border-radius);
    background: var(--white);
    border: 1px solid var(--gray-200);
    text-align: center;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
    overflow: hidden;
}

.pain-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 4px;
    background: linear-gradient(90deg, var(--brand-primary), var(--brand-primary-light));
    transform: scaleX(0);
    transition: transform 0.4s ease;
}

.pain-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-xl);
    border-color: var(--green-200);
}

.pain-card:hover::before {
    transform: scaleX(1);
}

.pain-icon {
    width: 64px;
    height: 64px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--green-50), var(--green-100));
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 20px;
    color: var(--brand-primary);
    transition: all 0.3s ease;
}

.pain-card:hover .pain-icon {
    background: linear-gradient(135deg, var(--brand-primary), var(--brand-primary-light));
    color: var(--white);
    transform: scale(1.1);
}

.pain-card h3 {
    font-family: var(--font-heading);
    font-size: 18px;
    font-weight: 700;
    color: var(--gray-800);
    margin-bottom: 10px;
}

.pain-card p {
    font-size: 14px;
    color: var(--gray-500);
    line-height: 1.6;
}

/* === SOLUTION SECTION === */
.solution {
    padding: var(--section-padding) 0;
    background: var(--green-50);
    position: relative;
    overflow: hidden;
}

.solution-bg-shape {
    position: absolute;
    top: -200px;
    right: -200px;
    width: 500px;
    height: 500px;
    border-radius: 50%;
    background: var(--green-100);
    opacity: 0.5;
}

.solution-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 80px;
    align-items: center;
    position: relative;
    z-index: 2;
}

.solution-image {
    position: relative;
}

.solution-image-frame {
    border-radius: var(--border-radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-xl);
}

.solution-image-frame img {
    width: 100%;
    transition: transform 0.6s ease;
}

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

.solution-float-card {
    position: absolute;
    bottom: -20px;
    right: -20px;
    background: var(--white);
    padding: 16px 24px;
    border-radius: var(--border-radius-sm);
    box-shadow: var(--shadow-lg);
    display: flex;
    align-items: center;
    gap: 12px;
    animation: floatCard 3s ease-in-out infinite;
}

@keyframes floatCard {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-8px); }
}

.float-icon {
    font-size: 28px;
}

.float-text strong {
    display: block;
    font-size: 14px;
    color: var(--gray-800);
}

.float-text span {
    font-size: 12px;
    color: var(--gray-500);
}

.solution-content .section-tag {
    margin-bottom: 12px;
}

.solution-desc {
    font-family: var(--font-heading);
    font-size: 20px;
    font-weight: 600;
    color: var(--gray-700);
    margin-bottom: 16px;
    font-style: italic;
}

.solution-body {
    color: var(--gray-600);
    margin-bottom: 28px;
    line-height: 1.8;
}

.solution-checklist {
    margin-bottom: 32px;
}

.solution-checklist li {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 10px 0;
    font-weight: 500;
    color: var(--gray-700);
}

.check-icon {
    width: 24px;
    height: 24px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--brand-primary), var(--brand-primary-light));
    color: var(--white);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 13px;
    font-weight: 700;
    flex-shrink: 0;
}

/* === BENEFITS SECTION === */
.benefits {
    padding: var(--section-padding) 0;
    background: var(--white);
}

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

.benefit-card {
    border-radius: var(--border-radius);
    overflow: hidden;
    background: var(--white);
    border: 1px solid var(--gray-200);
    transition: all 0.4s ease;
}

.benefit-card:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-xl);
    border-color: transparent;
}

.benefit-image {
    width: 100%;
    height: 220px;
    overflow: hidden;
}

.benefit-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s ease;
}

.benefit-card:hover .benefit-image img {
    transform: scale(1.08);
}

.benefit-body {
    padding: 28px 24px;
}

.benefit-icon-small {
    font-size: 28px;
    margin-bottom: 12px;
}

.benefit-body h3 {
    font-family: var(--font-heading);
    font-size: 20px;
    font-weight: 700;
    color: var(--gray-800);
    margin-bottom: 10px;
}

.benefit-body p {
    font-size: 14px;
    color: var(--gray-500);
    line-height: 1.7;
}

/* === ORIGIN SECTION === */
.origin {
    padding: var(--section-padding) 0;
    background: var(--green-50);
}

.origin-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 80px;
    align-items: center;
}

.origin-desc {
    color: var(--gray-600);
    line-height: 1.8;
    margin-bottom: 32px;
}

.origin-features {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.origin-feature {
    display: flex;
    align-items: flex-start;
    gap: 16px;
    padding: 16px 20px;
    border-radius: var(--border-radius-sm);
    background: var(--white);
    box-shadow: var(--shadow-sm);
    transition: all 0.3s ease;
}

.origin-feature:hover {
    box-shadow: var(--shadow-md);
    transform: translateX(8px);
}

.origin-feature-icon {
    font-size: 28px;
    flex-shrink: 0;
}

.origin-feature strong {
    display: block;
    font-size: 15px;
    color: var(--gray-800);
    margin-bottom: 2px;
}

.origin-feature span {
    font-size: 13px;
    color: var(--gray-500);
}

.origin-image-frame {
    border-radius: var(--border-radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-xl);
}

.origin-image-frame img {
    width: 100%;
    transition: transform 0.6s ease;
}

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

/* === WHY CHOOSE SECTION === */
.why-choose {
    padding: var(--section-padding) 0;
    background: var(--white);
}

.badges-grid {
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    gap: 24px;
}

.badge-item {
    text-align: center;
    padding: 32px 16px;
    border-radius: var(--border-radius);
    background: var(--green-50);
    border: 1px solid var(--green-100);
    transition: all 0.4s ease;
}

.badge-item:hover {
    background: var(--white);
    border-color: var(--brand-primary);
    transform: translateY(-6px);
    box-shadow: var(--shadow-lg);
}

.badge-icon-wrap {
    width: 72px;
    height: 72px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--brand-primary), var(--brand-primary-light));
    color: var(--white);
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 16px;
    transition: transform 0.3s ease;
}

.badge-item:hover .badge-icon-wrap {
    transform: scale(1.1) rotate(5deg);
}

.badge-item h4 {
    font-family: var(--font-heading);
    font-size: 16px;
    font-weight: 700;
    color: var(--gray-800);
    margin-bottom: 6px;
}

.badge-item p {
    font-size: 13px;
    color: var(--gray-500);
}

/* === BATH SECTION === */
.bath-section {
    padding: var(--section-padding) 0;
    background: var(--green-50);
}

.bath-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
}

.bath-image {
    border-radius: var(--border-radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-xl);
}

.bath-image img {
    width: 100%;
    transition: transform 0.6s ease;
}

.bath-image:hover img {
    transform: scale(1.05);
}

.bath-content p {
    color: var(--gray-600);
    line-height: 1.8;
    margin-bottom: 24px;
    font-size: 17px;
}

.bath-highlight {
    display: flex;
    align-items: center;
    gap: 16px;
    padding: 20px 24px;
    border-radius: var(--border-radius-sm);
    background: linear-gradient(135deg, var(--brand-primary), var(--brand-primary-light));
    color: var(--white);
}

.bath-highlight-icon {
    font-size: 32px;
}

.bath-highlight strong {
    display: block;
    font-size: 16px;
    margin-bottom: 2px;
}

.bath-highlight span {
    font-size: 13px;
    opacity: 0.9;
}

/* === ORDER SECTION === */
.order-section {
    padding: var(--section-padding) 0 60px;
    background: linear-gradient(135deg, var(--green-900) 0%, var(--brand-primary) 60%, var(--green-700) 100%);
    position: relative;
    overflow: hidden;
}

.order-bg-pattern {
    position: absolute;
    inset: 0;
    opacity: 0.05;
    background-image: radial-gradient(circle at 25% 25%, var(--white) 2px, transparent 2px),
                       radial-gradient(circle at 75% 75%, var(--white) 1px, transparent 1px);
    background-size: 50px 50px;
}

.order-subtitle {
    color: rgba(255,255,255,0.8);
    font-size: 18px;
    margin-top: 8px;
}

.order-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 40px;
    align-items: start;
    position: relative;
    z-index: 2;
}

/* Pricing Cards */
.pricing-cards {
    display: flex;
    flex-direction: column;
    gap: 24px;
}

.pricing-card {
    background: rgba(255,255,255,0.08);
    border: 1px solid rgba(255,255,255,0.15);
    backdrop-filter: blur(10px);
    border-radius: var(--border-radius);
    padding: 32px;
    color: var(--white);
    transition: all 0.4s ease;
    position: relative;
}

.pricing-card:hover {
    background: rgba(255,255,255,0.12);
    transform: translateY(-4px);
}

.pricing-card-featured {
    background: rgba(255,255,255,0.15);
    border-color: var(--brand-accent);
    box-shadow: 0 0 30px rgba(245, 158, 11, 0.2);
}

.pricing-badge {
    position: absolute;
    top: -12px;
    right: 24px;
    background: linear-gradient(135deg, var(--brand-accent), var(--brand-accent-light));
    color: var(--gray-900);
    padding: 6px 16px;
    border-radius: 50px;
    font-size: 12px;
    font-weight: 700;
    text-transform: uppercase;
}

.pricing-header h3 {
    font-family: var(--font-heading);
    font-size: 26px;
    font-weight: 700;
    margin-bottom: 4px;
}

.pricing-size {
    font-size: 14px;
    opacity: 0.8;
}

.pricing-price {
    margin: 20px 0;
    display: flex;
    align-items: baseline;
    gap: 12px;
}

.price-old {
    text-decoration: line-through;
    opacity: 0.5;
    font-size: 16px;
}

.price-new {
    font-family: var(--font-heading);
    font-size: 36px;
    font-weight: 700;
    color: var(--brand-accent-light);
}

.pricing-features {
    margin-bottom: 24px;
}

.pricing-features li {
    padding: 6px 0;
    font-size: 14px;
    opacity: 0.9;
}

.pricing-note {
    text-align: center;
    font-size: 12px;
    opacity: 0.7;
    margin-top: 12px;
}

/* Order Form */
.order-form-card {
    background: var(--white);
    border-radius: var(--border-radius);
    padding: 40px 32px;
    box-shadow: var(--shadow-xl);
}

.form-title {
    font-family: var(--font-heading);
    font-size: 24px;
    font-weight: 700;
    color: var(--gray-800);
    margin-bottom: 4px;
}

.form-subtitle {
    color: var(--gray-500);
    margin-bottom: 28px;
    font-size: 14px;
}

.form-group {
    margin-bottom: 20px;
}

.form-group label {
    display: block;
    font-weight: 600;
    font-size: 13px;
    color: var(--gray-700);
    margin-bottom: 6px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.form-group input,
.form-group select {
    width: 100%;
    padding: 14px 16px;
    border: 2px solid var(--gray-200);
    border-radius: var(--border-radius-sm);
    font-family: var(--font-body);
    font-size: 15px;
    color: var(--gray-800);
    transition: all 0.3s ease;
    background: var(--gray-50);
}

.form-group input:focus,
.form-group select:focus {
    outline: none;
    border-color: var(--brand-primary);
    background: var(--white);
    box-shadow: 0 0 0 4px rgba(26, 122, 58, 0.1);
}

.form-group input::placeholder {
    color: var(--gray-400);
}

.form-note {
    text-align: center;
    font-size: 12px;
    color: var(--gray-400);
    margin-top: 16px;
}

/* === FOOTER === */
.footer {
    background: var(--gray-900);
    color: var(--gray-400);
    padding: 60px 0 30px;
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr;
    gap: 40px;
    padding-bottom: 40px;
    border-bottom: 1px solid rgba(255,255,255,0.1);
}

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

.footer-brand p {
    margin-top: 16px;
    font-size: 14px;
    line-height: 1.7;
    max-width: 360px;
}

.footer-links h4,
.footer-contact h4 {
    font-family: var(--font-heading);
    color: var(--white);
    font-size: 18px;
    margin-bottom: 16px;
}

.footer-links li,
.footer-contact li {
    padding: 4px 0;
    font-size: 14px;
}

.footer-links a:hover,
.footer-contact a:hover {
    color: var(--brand-primary-light);
}

.footer-bottom {
    text-align: center;
    padding-top: 24px;
    font-size: 13px;
}

/* === FLOATING CTA === */
.floating-cta {
    display: none;
    position: fixed;
    bottom: 0;
    left: 0;
    width: 100%;
    padding: 12px 16px;
    padding-bottom: max(12px, env(safe-area-inset-bottom));
    background: var(--white);
    box-shadow: 0 -4px 20px rgba(0,0,0,0.15);
    z-index: 999;
    opacity: 0;
    transform: translateY(100%);
    transition: all 0.4s ease;
}

.floating-cta.visible {
    opacity: 1;
    transform: translateY(0);
}

/* === SCROLL ANIMATIONS === */
.animate-on-scroll {
    opacity: 0;
    transform: translateY(40px);
    transition: all 0.7s cubic-bezier(0.4, 0, 0.2, 1);
}

.animate-on-scroll.animated {
    opacity: 1;
    transform: translateY(0);
}

.animate-delay-1 { transition-delay: 0.1s; }
.animate-delay-2 { transition-delay: 0.2s; }
.animate-delay-3 { transition-delay: 0.3s; }
.animate-delay-4 { transition-delay: 0.4s; }

/* === RESPONSIVE === */
@media (max-width: 1024px) {
    :root {
        --section-padding: 80px;
    }

    .section-title {
        font-size: 34px;
    }

    .hero-title {
        font-size: 40px;
    }

    .hero-grid,
    .solution-grid,
    .origin-grid,
    .bath-grid {
        gap: 40px;
    }

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

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

    .benefit-card:last-child {
        grid-column: 1 / -1;
        max-width: 400px;
        margin: 0 auto;
    }

    .badges-grid {
        grid-template-columns: repeat(3, 1fr);
    }

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

    .pricing-cards {
        flex-direction: row;
    }

    .pricing-card {
        flex: 1;
    }
}

@media (max-width: 768px) {
    :root {
        --section-padding: 60px;
    }

    .section-title {
        font-size: 28px;
    }

    .section-header {
        margin-bottom: 40px;
    }

    /* Navbar */
    .nav-links {
        display: none;
        position: fixed;
        top: 0;
        right: 0;
        width: 280px;
        height: 100vh;
        background: var(--white);
        flex-direction: column;
        padding: 80px 32px 32px;
        gap: 24px;
        box-shadow: -10px 0 30px rgba(0,0,0,0.1);
        z-index: 1001;
    }

    .nav-links.active {
        display: flex;
    }

    .nav-links a {
        color: var(--gray-700) !important;
        font-size: 16px;
    }

    .mobile-toggle {
        display: flex;
        z-index: 1002;
    }

    /* Hero */
    .hero {
        padding: 100px 0 60px;
        min-height: auto;
    }

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

    .hero-title {
        font-size: 32px;
    }

    .hero-subtitle {
        margin: 0 auto 28px;
    }

    .hero-stats {
        justify-content: center;
        flex-wrap: wrap;
    }

    .hero-actions {
        justify-content: center;
        gap: 12px;
    }
    
    .hero-actions .btn {
        width: 100%;
        max-width: 320px;
    }

    .hero-image {
        order: -1;
    }

    .hero-image-wrapper {
        max-width: 280px;
    }

    .hero-wave svg {
        height: 60px;
    }

    /* Pain Points */
    .pain-grid {
        grid-template-columns: 1fr;
        gap: 16px;
    }

    .pain-card {
        text-align: left;
        display: flex;
        align-items: flex-start;
        gap: 16px;
        padding: 20px;
    }

    .pain-icon {
        margin: 0;
        flex-shrink: 0;
        width: 50px;
        height: 50px;
    }

    /* Solution */
    .solution-grid,
    .origin-grid,
    .bath-grid {
        grid-template-columns: 1fr;
    }

    .solution-float-card {
        bottom: 12px;
        right: 12px;
    }

    .section-title.text-left {
        text-align: center;
    }

    .solution-content,
    .origin-content,
    .bath-content {
        text-align: center;
    }

    .solution-checklist li {
        justify-content: center;
    }

    /* Benefits */
    .benefits-grid {
        grid-template-columns: 1fr;
    }

    .benefit-card:last-child {
        max-width: 100%;
    }

    /* Badges */
    .badges-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .badge-item:last-child {
        grid-column: 1 / -1;
        max-width: 200px;
        margin: 0 auto;
    }

    /* Bath */
    .bath-content {
        text-align: left;
    }

    .bath-highlight {
        flex-direction: row;
        text-align: left;
    }

    /* Order */
    .pricing-cards {
        flex-direction: column;
    }

    /* Footer */
    .footer-grid {
        grid-template-columns: 1fr;
        gap: 32px;
    }

    /* Floating CTA */
    .floating-cta {
        display: block;
    }
}

@media (max-width: 480px) {
    :root {
        --section-padding: 50px;
    }

    .hero-title {
        font-size: 28px;
    }

    .hero-subtitle {
        font-size: 15px;
        margin-bottom: 24px;
        line-height: 1.5;
    }

    .hero-stats {
        flex-direction: column;
        gap: 16px;
    }

    .stat-divider {
        width: 60px;
        height: 1px;
    }

    .hero-actions {
        flex-direction: column;
        align-items: center;
        width: 100%;
    }

    .hero-actions .btn {
        max-width: 100%;
    }

    .btn-lg {
        padding: 14px 24px;
        font-size: 15px;
    }

    .section-title {
        font-size: 24px;
    }

    .badges-grid {
        grid-template-columns: 1fr;
        gap: 16px;
    }

    .badge-item:last-child {
        max-width: 100%;
    }

    .pain-card {
        flex-direction: column;
        text-align: center;
        align-items: center;
    }

    .pain-icon {
        margin-bottom: 16px;
    }

    .pricing-card {
        padding: 24px 16px;
    }

    .price-new {
        font-size: 26px;
    }

    .order-form-card {
        padding: 24px 16px;
    }
}

/* === FOOTER SOCIALS === */
.footer-socials {
    display: flex;
    gap: 12px;
    margin-top: 20px;
}

.social-link {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: rgba(255,255,255,0.1);
    border: 1px solid rgba(255,255,255,0.15);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--gray-400);
    transition: all 0.3s ease;
}

.social-link:hover {
    background: var(--brand-primary);
    color: var(--white);
    border-color: var(--brand-primary);
    transform: translateY(-3px);
}
