:root {
    --primary: #2ECC71;
    --primary-dark: #27AE60;
    --bg-light: #F9FDF9;
    --bg-dark: #1E2723;
    --text-primary: #2C3E50;
    --text-secondary: #7F8C8D;
    --danger: #E74C3C;
    --white: #FFFFFF;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Pretendard', sans-serif;
}

body {
    color: var(--text-primary);
    line-height: 1.6;
    overflow-x: hidden;
}

a { text-decoration: none; }
ul { list-style: none; }

/* Utilities */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 5%;
}

.section {
    padding: 100px 0;
}

.text-center { text-align: center; }
.mb-5 { margin-bottom: 3rem; }
.text-white { color: var(--white); }
.text-gray { color: #AAB7B8; }
.bg-light { background-color: var(--bg-light); }
.bg-dark { background-color: var(--bg-dark); }
.accent-color { color: var(--primary); }
.accent-danger { color: var(--danger); }
.w-100 { width: 100%; }

.section-title {
    font-size: 36px;
    font-weight: 800;
    margin-bottom: 16px;
}

.btn {
    display: inline-block;
    padding: 18px 36px;
    border-radius: 100px;
    font-weight: 700;
    font-size: 18px;
    text-align: center;
    border: none;
    cursor: pointer;
    transition: transform 0.3s, box-shadow 0.3s;
}

.btn-primary {
    background-color: var(--primary);
    color: var(--white);
    box-shadow: 0 10px 20px rgba(46, 204, 113, 0.3);
}

.btn-primary:hover {
    background-color: var(--primary-dark);
    transform: translateY(-3px);
    box-shadow: 0 15px 25px rgba(46, 204, 113, 0.4);
}

.badge {
    background-color: rgba(46, 204, 113, 0.1);
    color: var(--primary-dark);
    padding: 6px 16px;
    border-radius: 50px;
    font-size: 14px;
    font-weight: 700;
    display: inline-block;
    margin-bottom: 20px;
}

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

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

@keyframes float {
    0% { transform: translateY(0px); }
    50% { transform: translateY(-15px); }
    100% { transform: translateY(0px); }
}

@keyframes pulse-glow {
    0% { box-shadow: 0 0 0 0 rgba(46, 204, 113, 0.4); }
    70% { box-shadow: 0 0 0 20px rgba(46, 204, 113, 0); }
    100% { box-shadow: 0 0 0 0 rgba(46, 204, 113, 0); }
}

.fade-in-up { animation: fadeInUp 1s ease-out forwards; }
.fade-in-left { animation: fadeInLeft 1s ease-out forwards; animation-delay: 0.3s; opacity: 0; }
.pulse { animation: pulse-glow 2s infinite; }

/* 1. Header & Hero */
.header {
    position: absolute;
    top: 0; left: 0; right: 0;
    padding: 30px 5%;
    z-index: 100;
}

.logo {
    font-size: 24px;
    font-weight: 900;
}
.logo span { color: var(--primary); }

.hero {
    position: relative;
    padding-top: 150px;
    background: linear-gradient(135deg, #F0FBF4 0%, #FFFFFF 100%);
    overflow: hidden;
}

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

.hero-text { flex: 1; max-width: 550px; }

.hero-text h1 {
    font-size: 56px;
    line-height: 1.2;
    margin-bottom: 20px;
    letter-spacing: -1.5px;
}

.hero-text p {
    font-size: 20px;
    color: var(--text-secondary);
    margin-bottom: 40px;
}

.hero-image {
    flex: 1;
    position: relative;
    text-align: right;
}

.hero-image img {
    max-width: 90%;
    border-radius: 20px;
    box-shadow: 0 30px 60px rgba(0,0,0,0.1);
}

.glass-float {
    position: absolute;
    background: rgba(255, 255, 255, 0.8);
    backdrop-filter: blur(10px);
    padding: 12px 24px;
    border-radius: 12px;
    font-weight: 700;
    box-shadow: 0 10px 20px rgba(0,0,0,0.05);
    animation: float 4s infinite ease-in-out;
}

.glass-float.f1 { top: 20%; left: 0; }
.glass-float.f2 { bottom: 20%; right: -20px; animation-delay: 1s; }

/* 2. Problem */
.problem-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
    margin-top: 50px;
}

.problem-card {
    background: var(--white);
    padding: 40px 30px;
    border-radius: 20px;
    box-shadow: 0 15px 30px rgba(0,0,0,0.03);
    transition: transform 0.3s;
}

.problem-card:hover { transform: translateY(-10px); }
.problem-card .icon { font-size: 48px; margin-bottom: 20px; }
.problem-card h3 { font-size: 22px; margin-bottom: 10px; }
.problem-card p { color: var(--text-secondary); }

/* 3. Solution */
.solution-content {
    display: flex;
    align-items: center;
    gap: 60px;
}

.solution .text-block, .solution .image-block { flex: 1; }

.solution h2 {
    font-size: 42px;
    line-height: 1.3;
    margin-bottom: 24px;
}

.solution p {
    font-size: 18px;
    color: var(--text-secondary);
    margin-bottom: 40px;
}

.check-list li {
    font-size: 18px;
    font-weight: 600;
    margin-bottom: 16px;
    display: flex;
    align-items: center;
}

.check-list span {
    background: var(--primary);
    color: var(--white);
    width: 24px;
    height: 24px;
    border-radius: 50%;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-size: 12px;
    margin-right: 12px;
}

.solution-visual {
    position: relative;
    height: 400px;
    background: #E8F8F5;
    border-radius: 30px;
    overflow: hidden;
}

.solution-visual .circle {
    position: absolute;
    border-radius: 50%;
}

.solution-visual .c1 {
    width: 300px; height: 300px;
    background: linear-gradient(135deg, rgba(46, 204, 113, 0.2), rgba(46, 204, 113, 0.05));
    top: -50px; right: -50px;
}

.solution-visual .c2 {
    width: 150px; height: 150px;
    background: linear-gradient(135deg, rgba(46, 204, 113, 0.4), rgba(46, 204, 113, 0.1));
    bottom: 20px; left: 20px;
}

.solution-visual .glass-box {
    position: absolute;
    top: 50%; left: 50%;
    transform: translate(-50%, -50%);
    background: rgba(255, 255, 255, 0.6);
    backdrop-filter: blur(20px);
    padding: 30px 40px;
    border-radius: 20px;
    font-size: 24px;
    font-weight: 800;
    color: var(--primary-dark);
    box-shadow: 0 20px 40px rgba(0,0,0,0.1);
    white-space: nowrap;
}

/* 4. Ingredients */
.ing-grid {
    display: flex;
    align-items: center;
    gap: 50px;
}

.ing-image { flex: 1; text-align: center; }
.ing-image img { max-width: 100%; border-radius: 30px; }

.ing-details { flex: 1; display: flex; flex-direction: column; gap: 30px; }

.ing-item {
    background: rgba(255, 255, 255, 0.05);
    padding: 30px;
    border-radius: 20px;
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.ing-item h3 {
    color: var(--white);
    font-size: 22px;
    margin-bottom: 10px;
}
.ing-item p { color: #AAB7B8; }

/* 5. Reviews */
.review-carousel {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
    margin-top: 50px;
}

.review-card {
    background: var(--bg-light);
    padding: 40px 30px;
    border-radius: 20px;
    text-align: left;
}

.review-card .stars {
    color: #F1C40F;
    font-size: 24px;
    margin-bottom: 20px;
}

.review-card .comment {
    font-size: 16px;
    font-weight: 600;
    margin-bottom: 20px;
    line-height: 1.8;
}

.review-card .author {
    color: var(--text-secondary);
    font-size: 14px;
}

/* 6. CTA & Pricing */
.cta {
    background: linear-gradient(135deg, #2ECC71, #27AE60);
    position: relative;
    overflow: hidden;
}

.cta::before {
    content: '';
    position: absolute;
    top: 0; left: 0; width: 100%; height: 100%;
    background: url('data:image/svg+xml;utf8,<svg width="100" height="100" fill="none" viewBox="0 0 100 100" xmlns="http://www.w3.org/2000/svg"><circle cx="50" cy="50" r="1.5" fill="rgba(255,255,255,0.2)"/></svg>') repeat;
}

.cta-box {
    position: relative;
    background: var(--white);
    max-width: 500px;
    margin: 0 auto;
    padding: 50px 40px;
    border-radius: 30px;
    text-align: center;
    box-shadow: 0 40px 80px rgba(0,0,0,0.2);
}

.limited-badge {
    background: var(--danger);
    color: white;
    padding: 6px 16px;
    border-radius: 50px;
    font-weight: 800;
    font-size: 14px;
    animation: pulse-glow 2s infinite;
}

.cta-box h2 {
    font-size: 32px;
    margin: 20px 0;
}

.pricing {
    margin-bottom: 30px;
    padding-bottom: 30px;
    border-bottom: 1px solid #EEE;
}

.pricing .original {
    display: block;
    color: var(--text-secondary);
    text-decoration: line-through;
    font-size: 18px;
    margin-bottom: 10px;
}

.pricing .discount {
    color: var(--danger);
    font-size: 24px;
    font-weight: 900;
    margin-right: 10px;
}

.pricing .final {
    font-size: 48px;
    font-weight: 900;
    color: var(--primary-dark);
}
.pricing .final small { font-size: 20px; }

.order-form input {
    width: 100%;
    padding: 16px 20px;
    border: 1px solid #DDD;
    border-radius: 12px;
    margin-bottom: 16px;
    font-size: 16px;
    font-weight: 600;
}

.order-form input:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(46, 204, 113, 0.2);
}

.notice {
    margin-top: 16px;
    font-size: 14px;
    color: var(--danger);
    font-weight: 600;
}

/* Footer */
footer {
    text-align: center;
    padding: 30px;
    background: var(--bg-dark);
    color: #AAB7B8;
    font-size: 14px;
}

/* Responsive */
@media (max-width: 768px) {
    .section { padding: 60px 0; }
    .hero-content { flex-direction: column; text-align: center; }
    .hero-text h1 { font-size: 40px; }
    .hero-image { margin-top: 50px; }
    .glass-float.f1 { left: -10px; }
    .glass-float.f2 { right: -10px; }
    
    .problem-grid, .review-carousel { grid-template-columns: 1fr; }
    .solution-content, .ing-grid { flex-direction: column; }
    .solution .text-block { order: 1; }
    .solution .image-block { order: 2; margin-top: 40px; }
}