/* Global Variables */
@import url("https://cdn.jsdelivr.net/gh/orioncactus/pretendard@v1.3.9/dist/web/static/pretendard.min.css");
@import url('https://fonts.googleapis.com/css2?family=Playfair+Display:ital,wght@0,400;0,600;0,700;1,400&display=swap');

:root {
    /* Premium Color Palette - Eco-Friendly Edition */
    --primary-color: #1A3C34;
    --primary-light: #2C5F52;
    --primary-dark: #0D2818;
    --accent-color: #C8AA6E;

    /* 🌿 Eco Nature Palette */
    --earth-brown: #8B7355;
    --leaf-green: #7CB342;
    --moss-green: #4A7C59;
    --sky-blue: #81D4FA;
    --sand-beige: #F5E6D3;
    --forest-dark: #0D2818;
    --cream: #FDFBF7;

    /* Base Colors */
    --bg-color: #F9F8F5;
    --white: #FFFFFF;
    --text-color: #1A1A1A;
    --text-gray: #757575;
    --text-light: #9E9E9E;

    /* Typography */
    --font-heading: 'Gowun Batang', serif;
    --font-body: 'Pretendard', sans-serif;

    /* Layout */
    --max-width: 1140px;
    --spacing-lg: 100px;
    /* Reduced from 140px */
    --spacing-md: 60px;
    /* Reduced from 80px */

    /* Components */
    --br-card: 20px;
    /* Reduced from 24px */
    --br-btn: 100px;

    /* Premium Effects */
    --shadow-soft: 0 10px 40px -10px rgba(0, 0, 0, 0.05);
    --shadow-hover: 0 20px 60px -12px rgba(0, 0, 0, 0.1);
    --shadow-glow: 0 0 40px rgba(124, 179, 66, 0.15);
    --glass-bg: rgba(255, 255, 255, 0.7);
    --glass-border: 1px solid rgba(255, 255, 255, 0.5);

    /* Transitions */
    --transition-smooth: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

/* 📊 Scroll Progress Bar */
#scroll-progress {
    position: fixed;
    top: 0;
    left: 0;
    width: 0%;
    height: 4px;
    background: linear-gradient(90deg, var(--primary-color), var(--primary-light), #4CAF50);
    z-index: 10000;
    transition: width 0.1s ease-out;
    box-shadow: 0 0 10px rgba(76, 175, 80, 0.5);
}

/* 🌙 Dark Mode Theme */
[data-theme="dark"] {
    --bg-color: #0F1A14;
    --white: #1A2D24;
    --text-color: #E8F5E9;
    --text-gray: #B0BEC5;
    --text-light: #CFD8DC;
    --primary-color: #A5D6A7;
    /* Brighter green for logo/accents in dark mode */
    --primary-light: #81C784;
    --shadow-soft: 0 10px 40px -10px rgba(0, 0, 0, 0.3);
    --shadow-hover: 0 20px 60px -12px rgba(0, 0, 0, 0.4);
    --shadow-glow: 0 0 60px rgba(76, 175, 80, 0.2);
    --glass-bg: rgba(15, 26, 20, 0.8);
    --glass-border: 1px solid rgba(76, 175, 80, 0.2);
}

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

html,
body {
    font-family: var(--font-body);
    color: var(--text-color);
    background-color: var(--bg-color);
    line-height: 1.75;
    /* Improved readability */
    letter-spacing: -0.02em;
    /* Modern "tight" feeling */
    word-break: keep-all;
    /* Korean typography best practice */
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
    /* Crisp text on Mac */
    position: relative;
    /* For Texture */
}

/* 🌿 Organic Grain Texture Overlay */
body::after {
    content: "";
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    z-index: 9999;
    opacity: 0.05;
    /* Subtle noise */
    background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 200 200' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noiseFilter'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.65' numOctaves='3' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noiseFilter)' opacity='1'/%3E%3C/svg%3E");
    mix-blend-mode: overlay;
}

/* Typography Utilities */
.font-serif,
.step-badge,
.logo {
    font-family: 'Playfair Display', var(--font-heading);
}

/* ... existing bg-canvas code ... */
#bg-canvas {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -2;
    pointer-events: none;
}

a {
    text-decoration: none;
    color: inherit;
    transition: all 0.3s cubic-bezier(0.2, 0.8, 0.2, 1);
}

li {
    list-style: none;
}

/* Navigation - PRO Glassmorphism */
#navbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1.2rem 5%;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    padding-top: max(1.2rem, env(safe-area-inset-top));
    /* Smart Safe Area */
    z-index: 1000;
    background: rgba(250, 250, 251, 0.9);
    /* Slightly more opaque */
    backdrop-filter: blur(20px);
    /* Premium blur */
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid rgba(0, 0, 0, 0.03);
    transition: all 0.4s ease;
}

.nav-left .logo {
    font-family: var(--font-heading);
    font-weight: 800;
    font-size: 1.6rem;
    letter-spacing: -0.02em;
    color: var(--primary-color);
    display: inline-flex;
    align-items: center;
    gap: 0.1em;
    text-decoration: none;
}

.logo-face {
    position: relative;
    display: inline-flex;
    align-items: center;
}

/* Smile Curve */
.logo-face::after {
    content: '';
    position: absolute;
    bottom: 0.15em;
    /* Moved aggressively up */
    left: 55%;
    /* Adjusted for 'S' offset */
    width: 1.1em;
    height: 0.4em;
    border-bottom: 2px solid currentColor;
    border-radius: 50%;
    transform: translateX(-50%) rotate(-2deg);
    opacity: 0.8;
    transition: all 0.3s ease;
}

.logo:hover .logo-face::after {
    opacity: 1;
    border-bottom-width: 3px;
    transform: translateX(-50%) rotate(0deg) scaleX(1.1);
}

.logo-eyes {
    position: relative;
    display: inline-flex;
    letter-spacing: 0.05em;
    /* Space between 'o's for eyes */
    color: inherit;
}

/* Pupils (Eyes) */
.logo-eyes::before,
.logo-eyes::after {
    content: '';
    position: absolute;
    top: 52%;
    width: 3px;
    height: 3px;
    background: currentColor;
    border-radius: 50%;
    transform: translateY(-50%);
    animation: blink 4s infinite;
}

.logo-eyes::before {
    left: 0.28em;
}

.logo-eyes::after {
    right: 0.28em;
}

@keyframes blink {

    0%,
    90%,
    100% {
        transform: translateY(-50%) scaleY(1);
    }

    95% {
        transform: translateY(-50%) scaleY(0.1);
    }
}

.nav-right {
    display: flex;
    align-items: center;
    gap: 1.5rem;
    /* Reduced gap from 3rem */
}

.nav-links {
    display: flex;
    gap: 2.5rem;
}

.nav-links li a {
    font-size: 0.95rem;
    font-weight: 500;
    color: var(--text-color);
    position: relative;
    opacity: 0.8;
    transition: opacity 0.2s;
}

.nav-links li a:hover {
    opacity: 1;
}

.nav-links li a::after {
    content: '';
    position: absolute;
    width: 0;
    height: 2px;
    /* Slightly thicker */
    bottom: -6px;
    left: 50%;
    /* Center expand */
    transform: translateX(-50%);
    background: var(--primary-color);
    transition: width 0.3s cubic-bezier(0.2, 0.8, 0.2, 1);
}

.nav-links li a:hover::after {
    width: 100%;
}

/* Search Bar - Minimal */
.search-bar {
    display: flex;
    align-items: center;
    background: #fff;
    border: 1px solid transparent;
    padding: 0.6rem 1.2rem;
    border-radius: 50px;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.03);
    transition: all 0.3s ease;
}

.search-bar:focus-within {
    border-color: var(--primary-light);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.05);
    transform: translateY(-1px);
}

.search-bar input {
    border: none;
    outline: none;
    font-size: 0.9rem;
    color: var(--text-color);
    width: 160px;
    /* Wider */
    background: transparent;
}

.search-bar button {
    border: none;
    background: none;
    cursor: pointer;
    font-size: 1rem;
    color: #bbb;
    transition: color 0.2s;
}

.search-bar button:hover {
    color: var(--primary-color);
}

/* Search Highlight */
mark.search-highlight {
    background-color: #FFEB3B;
    /* Yellow */
    color: #000;
    padding: 0 2px;
    border-radius: 2px;
    font-weight: bold;
    box-shadow: 0 0 5px rgba(255, 235, 59, 0.5);
}

/* Language Selector */
.lang-select {
    appearance: none;
    background: var(--white);
    border: 1px solid rgba(0, 0, 0, 0.1);
    padding: 0.5rem 1rem;
    border-radius: 50px;
    font-size: 0.85rem;
    font-weight: 700;
    color: var(--primary-color);
    cursor: pointer;
    transition: var(--transition-smooth);
    outline: none;
    box-shadow: var(--shadow-soft);
    text-align: center;
}

.lang-select:hover {
    border-color: var(--primary-light);
    box-shadow: var(--shadow-hover);
    transform: translateY(-1px);
}

[data-theme="dark"] .lang-select {
    background: var(--white);
    border-color: rgba(255, 255, 255, 0.1);
    color: var(--primary-color);
}

/* Hero Section - Serene & Clean */
#hero {
    position: relative;
    height: 100vh;
    /* Fallback */
    height: 100dvh;
    /* Dynamic Viewport for Mobile */
    min-height: 800px;
    /* Prevent cramping on small vertical screens */
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    margin-top: -80px;
    padding-top: 80px;
    overflow: hidden;
}

/* Hero Overlay for text readability */
.hero-bg {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.2);
    z-index: 1;
}

.hero-content {
    max-width: 800px;
    padding: 0 20px;
    position: relative;
    z-index: 2;
}

.badge-pill {
    display: inline-block;
    background: rgba(255, 255, 255, 0.9);
    border: 1px solid rgba(255, 255, 255, 0.5);
    backdrop-filter: blur(4px);
    padding: 0.8rem 1.6rem;
    border-radius: 100px;
    font-size: 0.9rem;
    font-weight: 700;
    color: var(--primary-color);
    margin-bottom: 32px;
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.04);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

#hero h1 {
    font-family: var(--font-heading);
    font-size: clamp(2.5rem, 5vw, 3.8rem);
    /* Reduced max from 4.5rem */
    /* Larger, bolder */
    line-height: 1.2;
    font-weight: 800;
    margin-bottom: 30px;
    color: #1a1a1a;
    letter-spacing: -0.02em;
}

#hero .subtitle {
    font-size: 1.25rem;
    color: #4a4a4a;
    margin-bottom: 50px;
    font-weight: 400;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

.cta-group {
    display: flex;
    gap: 20px;
    justify-content: center;
}

.btn-primary {
    background: var(--primary-color);
    color: #fff;
    padding: 1.1rem 3.2rem;
    border-radius: var(--br-btn);
    font-weight: 600;
    font-size: 1.05rem;
    box-shadow: 0 10px 25px rgba(36, 53, 40, 0.3);
    transition: all 0.4s cubic-bezier(0.34, 1.56, 0.64, 1);
    /* Elastic curve */
    border: 1px solid transparent;
    position: relative;
    overflow: hidden;
}

.btn-primary:hover {
    background: var(--primary-light);
    transform: translateY(-5px) scale(1.02);
    box-shadow: 0 18px 40px rgba(36, 53, 40, 0.45), var(--shadow-glow);
}

.btn-primary:active {
    transform: translateY(-2px) scale(0.98);
    transition: all 0.1s ease;
}

/* 🎯 Micro Interactions - Button Ripple Effect */
.btn-primary::after,
.btn-secondary::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 5px;
    height: 5px;
    background: rgba(255, 255, 255, 0.5);
    opacity: 0;
    border-radius: 100%;
    transform: scale(1, 1) translate(-50%);
    transform-origin: 50% 50%;
}

.btn-primary:focus:not(:active)::after,
.btn-secondary:focus:not(:active)::after {
    animation: ripple 0.6s ease-out;
}

@keyframes ripple {
    0% {
        transform: scale(0, 0);
        opacity: 0.5;
    }

    100% {
        transform: scale(40, 40);
        opacity: 0;
    }
}

.btn-secondary {
    background: rgba(255, 255, 255, 0.7);
    color: var(--text-color);
    border: 1px solid #fff;
    padding: 1.1rem 3rem;
    border-radius: var(--br-btn);
    font-weight: 600;
    font-size: 1.05rem;
    backdrop-filter: blur(8px);
    transition: all 0.3s cubic-bezier(0.2, 0.8, 0.2, 1);
}

.btn-secondary:hover {
    background: #fff;
    transform: translateY(-4px);
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.05);
}

/* Sections Common */
section {
    padding: var(--spacing-lg) 5%;
}

.container {
    max-width: var(--max-width);
    margin: 0 auto;
}

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

h2 {
    font-family: var(--font-heading);
    font-size: 2rem;
    /* Reduced from 2.2rem */
    margin-bottom: 16px;
    color: #222;
    letter-spacing: -0.5px;
}

section p.desc {
    color: var(--light-text);
    margin-bottom: 50px;
}

/* Philosophy */
#philosophy {
    background: #fff;
    border-radius: 40px 40px 0 0;
    /* Soft card effect */
    margin-top: -60px;
    /* Overlap hero */
    position: relative;
    z-index: 10;
}

/* Features - ZigZag */
.feature-row {
    display: flex;
    align-items: center;
    gap: 5%;
    /* Responsive gap */
    margin-bottom: 80px;
    width: 100%;
}

.feature-row:last-child {
    margin-bottom: 0;
}

.hero-bg-video {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    z-index: 0;
}

.feature-row.reverse {
    flex-direction: row-reverse;
}

.feature-image {
    flex: 1;
    aspect-ratio: 4/3;
    background-color: #f0f0f0;
    background-size: cover;
    background-position: center;
    border-radius: var(--br-card);
    overflow: hidden;
    /* Ensure video corners clip */
    box-shadow: var(--shadow-soft);
}

[data-theme="dark"] .feature-image {
    background-color: var(--white);
}

.feature-text {
    flex: 0.9;
    /* Slightly narrower text for balance */
}

.feature-text h3 {
    font-family: var(--font-heading);
    /* Serif for Premium Feel */
    font-size: 2rem;
    /* Reduced from 2.4rem */
    margin-bottom: 24px;
    color: var(--primary-color);
    font-weight: 700;
    letter-spacing: -0.02em;
    line-height: 1.3;
}

.feature-text p {
    font-size: 1rem;
    /* Reduced from 1.15rem */
    color: #4a4a4a;
    /* Darker gray for readability */
    margin-bottom: 30px;
    line-height: 1.8;
}

.tag-group {
    display: flex;
    gap: 10px;
    flex-wrap: wrap;
}

.tag {
    display: inline-block;
    padding: 8px 16px;
    align-items: center;
}

.tag:hover {
    background: rgba(166, 146, 134, 0.2);
    transform: translateY(-3px);
    box-shadow: 0 4px 12px rgba(166, 146, 134, 0.15);
}

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

.feature-image:hover img,
.feature-image:hover video {
    transform: scale(1.05);
}

/* Fixed CSS Syntax */
.option-card:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

/* Premium Benefits Cards */
#benefits {
    background: linear-gradient(to bottom, #FAFAFB 0%, #FFFFFF 100%);
}

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

.premium-card {
    background: #fff;
    border-radius: var(--br-card);
    overflow: hidden;
    box-shadow: var(--shadow-soft);
    text-align: left;
    transition: all 0.5s cubic-bezier(0.2, 0.8, 0.2, 1);
    border: 1px solid rgba(0, 0, 0, 0.02);
    transform-style: preserve-3d;
    perspective: 1000px;
}

.premium-card:hover {
    transform: translateY(-12px) rotateX(2deg);
    box-shadow: var(--shadow-hover), var(--shadow-glow);
}

.card-img-area {
    height: 260px;
    background: #f7f7f7;
    position: relative;
    overflow: hidden;
}

.premium-card .card-img-area img,
.premium-card .card-img-area video {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.8s cubic-bezier(0.2, 0.8, 0.2, 1);
    max-width: 100%;
    /* Force responsive */
}

.premium-card:hover .card-img-area img,
.premium-card:hover .card-img-area video {
    transform: scale(1.08);
}

.card-content {
    padding: 30px;
}

.card-content h4 {
    font-size: 1.35rem;
    margin-bottom: 12px;
    font-weight: 700;
    color: var(--text-color);
}

.card-content p {
    font-size: 1rem;
    color: #666;
    line-height: 1.6;
}

/* Brand Gallery */
#brand-gallery h2 {
    margin-bottom: 10px;
}

.gallery-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 20px;
}

.gallery-item {
    aspect-ratio: 1/1;
    border-radius: 16px;
    overflow: hidden;
    position: relative;
}

.gallery-item img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s;
}

.gallery-item:hover img {
    transform: scale(1.05);
}

/* Review Section */
.review-scroller {
    display: flex;
    gap: 24px;
    overflow-x: auto;
    padding: 20px 0 40px;
    /* Hide scrollbar hints usually needed here */
    scrollbar-width: none;
}

.review-scroller::-webkit-scrollbar {
    display: none;
}

/* Review Grid Update */
.review-scroller {
    display: flex;
    gap: 30px;
    /* Wider gap */
    overflow-x: auto;
    padding: 40px 10px 60px;
    /* More padding for shadows */
    scrollbar-width: none;
    scroll-behavior: smooth;
    -webkit-overflow-scrolling: touch;
}

.review-card {
    min-width: 320px;
    max-width: 320px;
    background: #fff;
    padding: 24px;
    border-radius: 20px;
    box-shadow: var(--shadow-soft);
    border: 1px solid rgba(0, 0, 0, 0.02);
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    transition: transform 0.3s ease;
}

.review-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-hover);
}

.review-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 16px;
}

.review-header .date {
    font-size: 0.8rem;
    color: #bbb;
}

.review-photo {
    width: 100%;
    height: 200px;
    background-size: cover;
    background-position: center;
    border-radius: 12px;
    margin-bottom: 20px;
    background-color: #f5f5f5;
}

.review-text {
    font-size: 1rem;
    color: #444;
    line-height: 1.6;
    margin-bottom: 24px;
    height: 80px;
    overflow: hidden;
    display: -webkit-box;
    -webkit-line-clamp: 3;
    line-clamp: 3;
    /* Standard property added */
    -webkit-box-orient: vertical;
}

.user-profile {
    display: flex;
    align-items: center;
    gap: 10px;
    border-top: 1px solid #f5f5f5;
    padding-top: 12px;
}

.user-avatar {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    background: #eee;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.8rem;
    font-weight: 700;
    color: #555;
    flex-shrink: 0;
}

.user-profile span {
    font-size: 0.85rem;
    color: #666;
    font-weight: 500;
}

/* Sticky CTA removed as it's replaced by sticky-bottom-bar */

/* Desktop Purchase Section */
#purchase {
    background: #fff;
}

.product-display {
    max-width: 400px;
    margin: 0 auto;
    text-align: center;
}

.final-price-lg {
    font-size: 2rem;
    font-weight: 700;
    color: var(--primary-color);
    margin: 20px 0;
}

.btn-buy-lg {
    width: 100%;
    padding: 1.2rem;
    border-radius: 12px;
    background: var(--primary-color);
    color: #fff;
    font-size: 1.2rem;
    font-weight: 700;
    border: none;
    cursor: pointer;
}

/* Footer */
footer {
    background: #f2f2f2;
    padding: 60px 5%;
    font-size: 0.9rem;
    color: #888;
}

/* Scroll Animations handled by GSAP */

/* Animations */
.animate__animated {
    animation-duration: 1.2s;
    /* Slower, more elegant */
}

/* Responsive */
@media (max-width: 768px) {
    #navbar {
        padding: 1rem;
    }

    .nav-links {
        display: none;
    }

    /* Fixed double definition removed */
}

/* =========================================
/* =========================================
   Horizontal Marquee Review Slider
   ========================================= */
.marquee-container {
    width: 100%;
    margin: 0 auto;
    overflow: hidden;
    position: relative;
    padding: 30px 0;
    /* Side fade masks */
    mask-image: linear-gradient(to right, transparent 0%, black 5%, black 95%, transparent 100%);
    -webkit-mask-image: linear-gradient(to right, transparent 0%, black 5%, black 95%, transparent 100%);
}

.marquee-track {
    display: flex;
    flex-direction: row;
    gap: 30px;
    width: max-content;
    /* Moderate speed (40s) for better readability */
    animation: scrollHorizontal 40s linear infinite;
}

.marquee-container:hover .marquee-track {
    animation-play-state: paused;
}

@keyframes scrollHorizontal {
    0% {
        transform: translateX(0);
    }

    100% {
        transform: translateX(-50%);
    }
}

.review-card {
    width: 320px;
    flex: 0 0 auto;
    /* Reset width for horizontal flow */
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.05);
}

/* =========================================
   Real-time Toast Notification (Premium)
   ========================================= */
.toast-container {
    position: fixed;
    bottom: 30px;
    left: 30px;
    z-index: 9999;
    display: flex;
    flex-direction: column;
    gap: 15px;
    pointer-events: none;
    /* Click through container */
}

.toast-message {
    pointer-events: auto;
    background: rgba(255, 255, 255, 0.9);
    backdrop-filter: blur(10px);
    border-radius: 12px;
    padding: 16px;
    width: 300px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
    display: flex;
    gap: 12px;
    align-items: center;
    border-left: 4px solid var(--primary-color);
    animation: slideInLeft 0.5s ease-out forwards;
}

@keyframes slideInLeft {
    from {
        transform: translateX(-50px);
        opacity: 0;
    }

    to {
        transform: translateX(0);
        opacity: 1;
    }
}

@keyframes fadeOutRight {
    to {
        transform: translateX(50px);
        opacity: 0;
    }
}

/* FAQ Section Styling */
.section-gray {
    background-color: #f9f9f9;
    border-top: 1px solid #eee;
    padding: 80px 5%;
}

.faq-list {
    max-width: 800px;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.faq-item {
    background: #fff;
    border: 1px solid rgba(0, 0, 0, 0.05);
    border-radius: 16px;
    overflow: hidden;
    transition: var(--transition-smooth);
}

.faq-item summary {
    padding: 24px 30px;
    cursor: pointer;
    list-style: none;
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 1.1rem;
    font-weight: 600;
    transition: background 0.3s;
}

.faq-item summary::-webkit-details-marker {
    display: none;
}

.faq-item summary:hover {
    background: rgba(26, 60, 52, 0.02);
}

.faq-item summary strong {
    font-weight: 700;
}

.faq-item[open] {
    border-color: var(--primary-light);
}

.faq-item .answer {
    padding: 0 24px 24px 24px;
    color: #555;
    line-height: 1.6;
    border-top: 1px solid #f5f5f5;
    margin-top: -10px;
    /* pull closer */
    padding-top: 20px;
    font-size: 1rem;
    background-color: #fafafa;
}

.toast-message {
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 1px solid rgba(255, 255, 255, 0.7);
    box-shadow: var(--shadow-hover);
    padding: 20px 24px;
    border-radius: 20px;
    display: flex;
    align-items: center;
    gap: 16px;
    min-width: 340px;
    max-width: 90vw;
    font-size: 0.95rem;
    color: #222;
}

.toast-icon {
    font-size: 1.8rem;
    background: #fff;
    width: 48px;
    height: 48px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.06);
}

/* Helper for mobile positioning */
@media (max-width: 768px) {
    .toast-container {
        left: 50%;
        transform: translateX(-50%);
        bottom: 90px;
        /* Avoid sticky CTA */
        width: 90%;
        align-items: center;
    }
}

/* SEO: Screen Reader Only (Hidden but Indexable) */
.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border-width: 0;
}

/* --- UX Enhancements --- */

/* 1. Mobile Sticky Bottom Bar */
.sticky-bottom-bar {
    position: fixed;
    bottom: 0;
    left: 0;
    width: 100%;
    background: rgba(255, 255, 255, 0.9);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-top: 1px solid rgba(0, 0, 0, 0.05);
    padding: 16px 20px;
    z-index: 1000;
    display: none;
    /* Desktop hidden */
    justify-content: space-between;
    align-items: center;
    box-shadow: 0 -4px 20px rgba(0, 0, 0, 0.06);
    transform: translateY(100%);
    transition: transform 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

.sticky-bottom-bar.show {
    transform: translateY(0);
}

.sticky-info {
    display: flex;
    flex-direction: column;
}

.sticky-info .label {
    font-size: 0.8rem;
    color: var(--text-gray);
}

.sticky-info .price {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--primary-color);
}

.btn-sticky-buy {
    background: #03C75A;
    /* Naver Green */
    color: white;
    padding: 12px 30px;
    border-radius: 8px;
    border: none;
    font-size: 1rem;
    font-weight: 800;
    /* Bolder */
    cursor: pointer;
    box-shadow: 0 4px 10px rgba(3, 199, 90, 0.3);
}

@media (max-width: 768px) {
    .sticky-bottom-bar {
        display: flex;
    }

    /* Keep body padding-bottom to avoid overlap even when hidden initially */
    body {
        padding-bottom: 90px;
    }
}

/* 2. Global Loader Overlay */
.loader-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(255, 255, 255, 0.85);
    backdrop-filter: blur(5px);
    z-index: 9999;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    gap: 20px;
    color: var(--primary-color);
    font-weight: 600;
}

.spinner {
    width: 50px;
    height: 50px;
    border: 4px solid #eaeaea;
    border-top: 4px solid var(--primary-color);
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

@keyframes spin {
    0% {
        transform: rotate(0deg);
    }

    100% {
        transform: rotate(360deg);
    }
}

/* Product Layout & Quantity Selector */
.product-layout {
    display: flex;
    flex-wrap: wrap;
    gap: 50px;
    align-items: flex-start;
    justify-content: center;
    text-align: left;
}

.product-image-area {
    flex: 1;
    min-width: 300px;
    max-width: 500px;
}

.main-product-img {
    width: 100%;
    border-radius: 20px;
    box-shadow: var(--shadow-soft);
}

.product-options-area {
    flex: 1;
    min-width: 300px;
    max-width: 500px;
}

.product-options-area h3 {
    font-size: 1.8rem;
    font-family: var(--font-heading);
    margin-bottom: 8px;
    color: var(--text-color);
}

.product-sub {
    color: var(--text-gray);
    margin-bottom: 30px;
}

/* Option Cards */
.option-grid {
    display: flex;
    flex-direction: column;
    gap: 16px;
    margin-bottom: 30px;
}

.option-card {
    border: 1px solid #ddd;
    border-radius: 12px;
    padding: 20px;
    cursor: pointer;
    transition: all 0.2s ease;
    position: relative;
    background: #fff;
}

.option-card:hover {
    border-color: var(--primary-color);
    background: #fdfdfd;
}

.option-card.selected {
    border: 2px solid var(--primary-color);
    background: #fafcfb;
    box-shadow: 0 4px 12px rgba(26, 60, 52, 0.08);
}

.badge-discount {
    position: absolute;
    top: -10px;
    left: 20px;
    background: var(--accent-color);
    color: white;
    font-size: 0.75rem;
    padding: 4px 10px;
    border-radius: 20px;
    font-weight: 700;
}

.opt-header {
    display: flex;
    justify-content: space-between;
    margin-bottom: 8px;
}

.opt-name {
    font-weight: 600;
    font-size: 1.05rem;
}

.opt-check {
    color: var(--primary-color);
    font-weight: 700;
    opacity: 0;
}

.option-card.selected .opt-check {
    opacity: 1;
}

.opt-price {
    font-size: 1.2rem;
    font-weight: 700;
    color: var(--text-color);
}

.opt-price .orig {
    font-size: 0.9rem;
    color: #bbb;
    text-decoration: line-through;
    font-weight: 400;
    margin-right: 6px;
}

/* Total & Buttons */
.total-area {
    display: flex;
    justify-content: space-between;
    align-items: center;
    border-top: 1px solid #eee;
    padding-top: 24px;
    margin-bottom: 24px;
    font-size: 1.1rem;
    font-weight: 600;
}

.total-price {
    font-size: 1.8rem;
    color: var(--primary-color);
    font-weight: 800;
    font-family: var(--font-heading);
}

.btn-group-vertical {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.btn-buy-lg {
    background: #03C75A;
    /* 네이버 공식 그린 */
    color: white;
    padding: 18px;
    border: none;
    border-radius: 12px;
    font-size: 1.1rem;
    font-weight: 700;
    cursor: pointer;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
}

.btn-buy-lg:hover {
    background: #02b350;
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(3, 199, 90, 0.3);
}

.btn-buy-sub {
    background: white;
    color: var(--primary-color);
    border: 1px solid var(--primary-color);
    padding: 16px;
    border-radius: 12px;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
}

.btn-buy-sub:hover {
    background: #f5f9f7;
}

/* ============================================
   🌙 Dark Mode Toggle Button Styles
   ============================================ */
.theme-toggle {
    background: transparent;
    border: 2px solid var(--primary-light);
    border-radius: 50%;
    width: 44px;
    height: 44px;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition-smooth);
    position: relative;
    overflow: hidden;
}

.theme-toggle:hover {
    background: var(--primary-light);
    transform: rotate(15deg);
}

.theme-toggle .sun-icon,
.theme-toggle .moon-icon {
    position: absolute;
    font-size: 1.2rem;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

.theme-toggle .sun-icon {
    opacity: 1;
    transform: translateY(0) rotate(0deg);
}

.theme-toggle .moon-icon {
    opacity: 0;
    transform: translateY(20px) rotate(-90deg);
}

[data-theme="dark"] .theme-toggle .sun-icon {
    opacity: 0;
    transform: translateY(-20px) rotate(90deg);
}

[data-theme="dark"] .theme-toggle .moon-icon {
    opacity: 1;
    transform: translateY(0) rotate(0deg);
}

/* Dark mode specific overrides */
[data-theme="dark"] body {
    background-color: var(--bg-color);
    color: var(--text-color);
}

[data-theme="dark"] #navbar {
    background: rgba(15, 26, 20, 0.95);
    border-bottom-color: rgba(76, 175, 80, 0.1);
}

[data-theme="dark"] .nav-links a {
    color: var(--text-color);
}

[data-theme="dark"] .search-bar {
    background: var(--white);
    border-color: rgba(76, 175, 80, 0.2);
}

[data-theme="dark"] .search-bar input {
    color: var(--text-color);
}

[data-theme="dark"] .premium-card,
[data-theme="dark"] .review-card,
[data-theme="dark"] .option-card {
    background: var(--white);
    border-color: rgba(76, 175, 80, 0.1);
}

/* 🔧 Dark mode text fixes */
[data-theme="dark"] h1,
[data-theme="dark"] h2,
[data-theme="dark"] h3,
[data-theme="dark"] h4 {
    color: var(--text-color);
}

[data-theme="dark"] p,
[data-theme="dark"] span,
[data-theme="dark"] .desc {
    color: var(--text-gray);
}

[data-theme="dark"] .hero-content h1,
[data-theme="dark"] #hero h1 {
    color: #FFFFFF;
}

[data-theme="dark"] .hero-content p,
[data-theme="dark"] #hero .subtitle {
    color: rgba(255, 255, 255, 0.85);
}

[data-theme="dark"] .btn-secondary {
    background: rgba(255, 255, 255, 0.1);
    color: #FFFFFF;
    border: 1px solid rgba(255, 255, 255, 0.4);
}

[data-theme="dark"] .btn-secondary:hover {
    background: rgba(255, 255, 255, 0.2);
    border-color: rgba(255, 255, 255, 0.6);
}

[data-theme="dark"] .premium-card h4,
[data-theme="dark"] .eco-card h4 {
    color: var(--text-color);
}

[data-theme="dark"] .premium-card p,
[data-theme="dark"] .eco-card p {
    color: var(--text-gray);
}

[data-theme="dark"] .opt-name,
[data-theme="dark"] .opt-price,
[data-theme="dark"] .total-price {
    color: var(--text-color);
}

[data-theme="dark"] .product-sub,
[data-theme="dark"] .opt-price .orig {
    color: var(--text-gray);
}

[data-theme="dark"] .faq-item summary strong {
    color: var(--primary-color);
}

[data-theme="dark"] .faq-item .answer p {
    color: #E0E0E0;
    background-color: rgba(26, 60, 52, 0.2);
}

[data-theme="dark"] footer {
    background: #0A1410;
}

[data-theme="dark"] footer p,
[data-theme="dark"] footer a,
[data-theme="dark"] .footer-info p {
    color: var(--text-gray);
}

[data-theme="dark"] .footer-logo {
    color: var(--text-color);
}

[data-theme="dark"] #philosophy,
[data-theme="dark"] #purchase {
    background: var(--white);
}

[data-theme="dark"] .section-gray {
    background: rgba(15, 26, 20, 0.5);
}

[data-theme="dark"] .faq-item {
    background: var(--white);
    border-color: rgba(76, 175, 80, 0.1);
}

[data-theme="dark"] .badge-pill {
    background: rgba(76, 175, 80, 0.15);
    border-color: rgba(76, 175, 80, 0.3);
    color: var(--text-color);
}

[data-theme="dark"] .badge-discount {
    background: var(--primary-light);
}

[data-theme="dark"] .eco-section {
    background: rgba(15, 26, 20, 0.6);
}

[data-theme="dark"] .eco-card {
    background: var(--white);
    border-color: rgba(76, 175, 80, 0.1);
}

[data-theme="dark"] .purchase-notification {
    background: var(--white);
    border-color: rgba(76, 175, 80, 0.2);
}

[data-theme="dark"] .notif-name {
    color: var(--primary-light);
}

[data-theme="dark"] .notif-action,
[data-theme="dark"] .notif-time {
    color: var(--text-gray);
}

/* Smooth theme transition */
body,
#navbar,
.search-bar,
.premium-card,
.review-card,
.option-card,
footer,
#philosophy,
#purchase,
.faq-item,
.badge-pill {
    transition: background-color 0.4s ease, color 0.4s ease, border-color 0.4s ease;
}

/* ============================================
   🌿 Sustainability Section Styles
   ============================================ */
.eco-section {
    background: linear-gradient(135deg, var(--cream) 0%, var(--sand-beige) 100%);
    padding: var(--spacing-lg) 5%;
    position: relative;
    overflow: hidden;
}

[data-theme="dark"] .eco-section {
    background: linear-gradient(135deg, var(--forest-dark) 0%, #0D2818 100%);
}

.eco-badge-container {
    margin-bottom: 24px;
}

.eco-badge {
    display: inline-block;
    background: linear-gradient(135deg, var(--leaf-green), var(--moss-green));
    color: white;
    padding: 10px 24px;
    border-radius: 50px;
    font-size: 0.9rem;
    font-weight: 600;
    box-shadow: 0 4px 15px rgba(76, 175, 80, 0.3);
}

.eco-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
    margin-top: 50px;
}

.eco-card {
    background: var(--white);
    padding: 40px 30px;
    border-radius: var(--br-card);
    box-shadow: var(--shadow-soft);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    border: 1px solid rgba(0, 0, 0, 0.02);
}

.eco-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-hover), var(--shadow-glow);
}

.eco-icon {
    font-size: 3rem;
    margin-bottom: 20px;
}

.eco-card h4 {
    font-size: 1.2rem;
    margin-bottom: 12px;
    color: var(--primary-color);
}

.eco-card p {
    font-size: 0.95rem;
    color: var(--text-gray);
    line-height: 1.6;
}

/* ============================================
   📱 Mobile Performance Optimization
   ============================================ */
@media (max-width: 768px) {

    /* Sustainability section responsive */
    .eco-grid {
        grid-template-columns: 1fr;
        gap: 20px;
    }

    .eco-card {
        padding: 30px 24px;
    }

    /* Disable expensive 3D transforms on mobile */
    .premium-card {
        transform-style: flat;
        perspective: none;
    }

    .premium-card:hover {
        transform: translateY(-5px);
        /* Simpler transform */
        box-shadow: var(--shadow-hover);
    }

    .btn-primary:hover {
        transform: translateY(-3px);
        /* Simpler */
    }

    /* Reduce animation durations */
    .premium-card,
    .btn-primary,
    .eco-card,
    .review-card {
        transition-duration: 0.2s !important;
    }

    /* Disable hover effects that cause repaints */
    .premium-card:hover .card-img-area img {
        transform: none;
    }
}

/* Respect user's motion preferences */
@media (prefers-reduced-motion: reduce) {

    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
        scroll-behavior: auto !important;
    }

    .premium-card:hover,
    .btn-primary:hover,
    .eco-card:hover {
        transform: none !important;
    }
}

/* ============================================
   🟡 KakaoTalk Floating Chat Button
   ============================================ */
.kakao-float-btn {
    position: fixed;
    bottom: 100px;
    right: 24px;
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, #FEE500 0%, #F5D800 100%);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #3C1E1E;
    text-decoration: none;
    box-shadow: 0 4px 20px rgba(254, 229, 0, 0.4);
    z-index: 999;
    transition: all 0.3s cubic-bezier(0.34, 1.56, 0.64, 1);
    animation: kakao-pulse 2s infinite;
}

.kakao-float-btn:hover {
    transform: scale(1.15) translateY(-5px);
    box-shadow: 0 8px 30px rgba(254, 229, 0, 0.5);
}

@keyframes kakao-pulse {

    0%,
    100% {
        box-shadow: 0 4px 20px rgba(254, 229, 0, 0.4);
    }

    50% {
        box-shadow: 0 4px 30px rgba(254, 229, 0, 0.6);
    }
}

/* ============================================
   🔔 Real-time Purchase Notification
   ============================================ */
.purchase-notification {
    position: fixed;
    bottom: 180px;
    left: 24px;
    background: var(--white);
    padding: 16px 20px;
    border-radius: 16px;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.12);
    display: flex;
    align-items: center;
    gap: 12px;
    z-index: 998;
    opacity: 0;
    transform: translateX(-100%);
    transition: all 0.5s cubic-bezier(0.34, 1.56, 0.64, 1);
    max-width: 300px;
    border: 1px solid rgba(26, 60, 52, 0.1);
}

.purchase-notification.show {
    opacity: 1;
    transform: translateX(0);
}

.notif-icon {
    font-size: 1.8rem;
    flex-shrink: 0;
}

.notif-content {
    display: flex;
    flex-direction: column;
    gap: 2px;
}

.notif-name {
    font-weight: 700;
    color: var(--primary-color);
    font-size: 0.95rem;
}

.notif-action {
    font-size: 0.85rem;
    color: var(--text-gray);
}

.notif-time {
    font-size: 0.75rem;
    color: var(--text-light);
}

/* Mobile adjustments */
@media (max-width: 768px) {
    .kakao-float-btn {
        bottom: 110px;
        right: 16px;
        width: 52px;
        height: 52px;
        min-width: 44px;
        min-height: 44px;
    }

    .purchase-notification {
        bottom: auto;
        top: 80px;
        left: 16px;
        right: 16px;
        max-width: none;
    }
}


/* ============================================
   📱 Mobile Navigation & Global Resets
   ============================================ */
/* Hamburger Button (Hidden on Desktop) */
#mobile-menu-btn {
    display: none;
    background: none;
    border: none;
    cursor: pointer;
    flex-direction: column;
    gap: 5px;
    padding: 5px;
    z-index: 1002;
}

#mobile-menu-btn .bar {
    width: 24px;
    height: 2px;
    background-color: var(--primary-color);
    transition: all 0.3s ease;
}

/* Mobile Menu Overlay */
#mobile-menu-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    z-index: 1001;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    opacity: 0;
    visibility: hidden;
    /* Handled by GSAP */
}

#mobile-menu-close {
    position: absolute;
    top: 20px;
    right: 20px;
    background: none;
    border: none;
    font-size: 2.5rem;
    color: var(--primary-color);
    cursor: pointer;
    min-width: 44px;
    min-height: 44px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.mobile-nav-links {
    list-style: none;
    text-align: center;
    display: flex;
    flex-direction: column;
    gap: 30px;
}

.mobile-link {
    font-family: var(--font-heading);
    font-size: 1.8rem;
    font-weight: 700;
    color: var(--text-color);
    text-decoration: none;
    display: block;
    opacity: 0;
    transform: translateY(20px);
}

.mobile-link.highlight {
    color: var(--primary-color);
}

/* ============================================
   📱 Global Mobile Queries (max-width: 768px)
   ============================================ */
@media (max-width: 768px) {

    /* 1. Navbar Adjustments */
    .nav-links,
    .search-bar,
    .lang-select,
    .theme-toggle {
        display: none !important;
    }

    #mobile-menu-btn {
        display: flex;
    }

    #navbar {
        padding: 1rem 5%;
        justify-content: space-between;
    }

    /* 2. Hero Video Fix */
    .hero-bg-video {
        width: 100% !important;
        height: 100% !important;
        object-fit: cover !important;
        position: absolute;
        top: 0;
        left: 0;
        max-width: 100% !important;
        /* Contain overflow */
    }

    /* 3. Marquee Fix */
    .marquee-container {
        width: 100% !important;
        overflow-x: hidden !important;
    }

    .marquee-track {
        width: max-content;
    }

    /* 4. Typography Scaling */
    #hero h1 {
        font-size: 2.5rem;
    }

    #hero .subtitle {
        font-size: 1rem;
        padding: 0 10px;
    }

    h2 {
        font-size: 1.8rem;
    }

    /* 5. Grid Stacking */
    .feature-row,
    .feature-row.reverse {
        flex-direction: column;
        gap: 30px;
        /* Adjusted gap */
    }

    .feature-text {
        padding: 0 10px;
        /* Add breathing room for text */
    }

    .feature-image {
        width: 100%;
        height: auto;
        aspect-ratio: 16/9;
        margin-bottom: 0;
    }

    .benefit-grid {
        grid-template-columns: 1fr;
        gap: 20px;
        /* Tighter gap */
        padding: 0 10px;
        /* Ensure content doesn't touch edges */
        justify-items: center;
        /* Center items */
    }

    .review-card {
        min-width: 280px;
        width: 85vw;
        max-width: 360px;
    }

    #hero {
        min-height: 100dvh;
        /* Adjust for mobile viewport */
        height: auto;
    }

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

    section {
        padding: 60px 5%;
        /* Adjusted mobile padding */
    }

    /* Sticky Bottom Bar */
    .sticky-bottom-bar {
        position: fixed;
        bottom: 0;
        left: 0;
        width: 100%;
        padding: 1rem 5%;
        padding-bottom: calc(1rem + env(safe-area-inset-bottom));
        background: rgba(255, 255, 255, 0.9);
        backdrop-filter: blur(10px);
        -webkit-backdrop-filter: blur(10px);
        z-index: 999;
        box-shadow: 0 -5px 20px rgba(0, 0, 0, 0.05);
        transform: translateY(100%);
        transition: transform 0.3s ease;
        display: none;
        /* JS handles visibility */
    }

    .sticky-bottom-bar.show {
        transform: translateY(0);
        display: block;
    }

    /* 6. Touch Targets */
    .btn-primary,
    .btn-secondary {
        width: 100%;
        padding: 1rem;
    }

    .cta-group {
        flex-direction: column;
        width: 100%;
    }
}

/* ============================================
   📱 Small Mobile (320px ~ 374px) - iPhone SE
   ============================================ */
@media (max-width: 374px) {
    :root {
        --spacing-lg: 60px;
        --spacing-md: 40px;
    }

    #hero h1 {
        font-size: 1.8rem;
    }

    #hero .subtitle {
        font-size: 0.9rem;
    }

    .badge-pill {
        padding: 0.5rem 1rem;
        font-size: 0.75rem;
    }

    h2 {
        font-size: 1.5rem;
    }

    .review-card {
        min-width: 260px;
        width: 90vw;
    }

    .toast-message {
        min-width: 280px;
        max-width: 90vw;
    }

    .option-card {
        padding: 14px;
    }

    .total-price {
        font-size: 1.5rem;
    }

    .btn-buy-lg {
        font-size: 0.95rem;
        padding: 14px 20px;
    }

    .feature-text h3 {
        font-size: 1.4rem;
    }

    .feature-text p {
        font-size: 0.95rem;
    }

    .card-content h4 {
        font-size: 1rem;
    }

    .card-content p {
        font-size: 0.85rem;
    }
}

/* ============================================
   📱 Large Mobile (428px ~ 767px) - iPhone Pro Max, Large Android
   ============================================ */
@media (min-width: 428px) and (max-width: 767px) {
    #hero h1 {
        font-size: 2.8rem;
    }

    .benefit-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 16px;
    }

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

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

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

    .feature-row {
        gap: 30px;
    }

    .review-card {
        min-width: 300px;
    }
}

/* ============================================
   📱 Tablet Portrait (768px ~ 1023px) - iPad Mini/Air
   ============================================ */
@media (min-width: 768px) and (max-width: 1023px) {
    .nav-links {
        display: flex;
        gap: 1.5rem;
    }

    .search-bar {
        display: none;
    }

    #mobile-menu-btn {
        display: none;
    }

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

    .feature-row {
        flex-direction: row;
        gap: 4%;
    }

    .feature-row.reverse {
        flex-direction: row-reverse;
    }

    .feature-text h3 {
        font-size: 1.8rem;
    }

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

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

    /* Hide sticky bar on tablet */
    .sticky-bottom-bar {
        display: none !important;
    }
}

/* ============================================
   💻 Tablet Landscape / Small Desktop (1024px ~ 1279px)
   ============================================ */
@media (min-width: 1024px) and (max-width: 1279px) {
    .benefit-grid {
        grid-template-columns: repeat(4, 1fr);
        gap: 20px;
    }

    .card-img-area {
        height: 220px;
    }

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