:root {
    --primary: #5c93e6;
    --primary-light: #eef4fc;
    --secondary: #ffb03a;
    --text-main: #1e293b;
    --text-sub: #64748b;
    --bg-gradient: linear-gradient(180deg, #eef7ff 0%, #f7f4ed 55%, #f8f7f4 100%);
    --glass-bg: rgba(255, 255, 255, 0.5);
    --glass-border: rgba(255, 255, 255, 0.45);
    --shadow: 0 12px 40px rgba(31, 38, 135, 0.08);
    --phone-width: 320px;
    --phone-height: 650px;
}

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

body {
    font-family: 'Outfit', 'Noto Sans KR', sans-serif;
    background: var(--bg-gradient);
    background-attachment: fixed;
    color: var(--text-main);
    overflow-x: hidden;
    line-height: 1.6;
}

/* Decorative ambient glow blobs */
.ambient-light-1 {
    position: absolute;
    top: -10%;
    right: -10%;
    width: 50vw;
    height: 50vw;
    background: radial-gradient(circle, rgba(92, 147, 230, 0.18) 0%, rgba(255,255,255,0) 70%);
    z-index: -1;
    pointer-events: none;
}

.ambient-light-2 {
    position: absolute;
    bottom: -5%;
    left: -10%;
    width: 60vw;
    height: 60vw;
    background: radial-gradient(circle, rgba(255, 176, 58, 0.15) 0%, rgba(255,255,255,0) 70%);
    z-index: -1;
    pointer-events: none;
}

/* Navigation Header */
header {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 24px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    position: relative;
    z-index: 100;
}

.logo {
    display: flex;
    align-items: center;
    gap: 12px;
    text-decoration: none;
}

.logo-icon {
    font-size: 28px;
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    animation: none;
}

.logo-img {
    height: 32px;
    width: 32px;
    object-fit: contain;
    border-radius: 8px;
    box-shadow: 0 3px 8px rgba(15, 23, 42, 0.08);
}

.footer-logo-img {
    height: 48px;
    width: 48px;
    object-fit: contain;
    border-radius: 12px;
    box-shadow: 0 4px 12px rgba(15, 23, 42, 0.08);
}



.logo-text {
    font-size: 24px;
    font-weight: 800;
    color: var(--text-main);
    letter-spacing: -0.5px;
}

.nav-links {
    display: flex;
    gap: 20px;
}

.nav-btn {
    text-decoration: none;
    color: var(--text-sub);
    font-size: 14px;
    font-weight: 600;
    padding: 8px 16px;
    border-radius: 100px;
    transition: all 0.3s ease;
}

.nav-btn:hover {
    color: var(--primary);
    background: rgba(255, 255, 255, 0.3);
}

/* Hero Layout */
.hero-container {
    width: 100%;
    max-width: 1200px;
    margin: 40px auto 80px auto;
    padding: 0 24px;
    display: grid;
    grid-template-columns: 1.2fr 0.8fr;
    align-items: center;
    gap: 40px;
}

@media (max-width: 991px) {
    .hero-container {
        grid-template-columns: 1fr;
        text-align: center;
        margin-top: 20px;
    }
}

.hero-info {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
}

@media (max-width: 991px) {
    .hero-info {
        align-items: center;
    }
}

.weather-status-badge {
    background: var(--glass-bg);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border: 1px solid var(--glass-border);
    padding: 8px 20px;
    border-radius: 100px;
    font-size: 14px;
    font-weight: 700;
    color: var(--primary);
    box-shadow: var(--shadow);
    margin-bottom: 24px;
    display: inline-flex;
    align-items: center;
    gap: 8px;
    animation: none;
}

.hero-info h1 {
    font-size: 56px;
    font-weight: 800;
    line-height: 1.15;
    letter-spacing: -2px;
    margin-bottom: 24px;
    background: linear-gradient(135deg, #0f172a 30%, #334155 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

@media (max-width: 768px) {
    .hero-info h1 {
        font-size: 34px;
    }
}

.hero-info p {
    font-size: 17px;
    color: var(--text-sub);
    max-width: 580px;
    margin-bottom: 36px;
    line-height: 1.6;
}

/* Store Buttons */
.store-buttons {
    display: flex;
    gap: 16px;
    flex-wrap: wrap;
}

.coming-soon-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: rgba(255, 255, 255, 0.65);
    color: #64748b;
    border: 1px solid rgba(255, 255, 255, 0.8);
    padding: 10px 24px;
    border-radius: 100px;
    font-size: 14px;
    font-weight: 700;
    box-shadow: var(--shadow);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
}

.store-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: var(--glass-bg);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border: 1px solid var(--glass-border);
    padding: 8px 20px;
    border-radius: 100px;
    font-size: 14px;
    font-weight: 700;
    box-shadow: var(--shadow);
    text-decoration: none;
    transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
    cursor: default;
}

.store-badge.active {
    color: var(--primary);
    cursor: pointer;
}

.store-badge.active:hover {
    background: rgba(255, 255, 255, 0.85);
    color: var(--primary);
    border-color: var(--primary);
    transform: translateY(-2px);
    box-shadow: 0 16px 32px rgba(92, 147, 230, 0.12);
}

.store-badge.disabled {
    color: #64748b;
    opacity: 0.7;
    pointer-events: none;
}

/* Phone Slider Mockup */
.phone-mockup-wrapper {
    position: relative;
    margin: 0 auto;
    width: var(--phone-width);
    height: var(--phone-height);
}

.phone-inner-screen {
    width: 100%;
    height: 100%;
    background: #ffffff;
    border-radius: 28px;
    border: 6px solid #ffffff; /* Premium white border frame */
    box-shadow: 0 24px 50px rgba(15, 23, 42, 0.15), 
                0 4px 12px rgba(0, 0, 0, 0.08);
    overflow: hidden;
    position: relative;
}

/* Slider CSS */
.slider-container {
    width: 100%;
    height: 100%;
    position: relative;
    display: flex;
}

.slide-item {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    opacity: 0;
    transition: opacity 0.8s ease-in-out;
    display: flex;
    align-items: center;
    justify-content: center;
    background: #f8fafc;
}

.slide-item.active {
    opacity: 1;
    z-index: 20;
}

.slide-item img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

/* Slider Controls */
.slider-dots {
    position: absolute;
    bottom: 20px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    gap: 6px;
    z-index: 40;
}

.slider-dot {
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: rgba(15, 23, 42, 0.2);
    cursor: pointer;
    transition: all 0.3s ease;
}

.slider-dot.active {
    background: var(--primary);
    transform: scale(1.3);
    width: 12px;
    border-radius: 3px;
}

/* Glow effects around phone */
.phone-glow {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 110%;
    height: 105%;
    background: radial-gradient(circle, rgba(92,147,230,.18) 0%, rgba(255,255,255,0) 70%);
    filter: blur(50px);
    z-index: 1;
    border-radius: 40px;
    pointer-events: none;
}

/* Features Section */
.features-section {
    background: var(--glass-bg);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-top: 1px solid var(--glass-border);
    border-bottom: 1px solid var(--glass-border);
    padding: 80px 24px;
    position: relative;
}

.section-header {
    text-align: center;
    max-width: 700px;
    margin: 0 auto 60px auto;
}

.section-header h2 {
    font-size: 32px;
    font-weight: 800;
    letter-spacing: -1px;
    margin-bottom: 16px;
    color: var(--text-main);
}

.section-header p {
    font-size: 16px;
    color: var(--text-sub);
}

.features-grid {
    max-width: 1200px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 32px;
}

.feature-card {
    background: rgba(255, 255, 255, 0.7);
    border: 1px solid rgba(255, 255, 255, 0.9);
    border-radius: 24px;
    padding: 40px 32px;
    box-shadow: var(--shadow);
    transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
    text-align: left;
}

.feature-card:hover {
    transform: translateY(-3px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.05);
    background: rgba(255, 255, 255, 0.85);
}

.feature-icon-wrapper {
    width: 60px;
    height: 60px;
    background: var(--primary-light);
    border-radius: 18px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 24px;
}

.feature-icon-wrapper i {
    font-size: 24px;
    color: var(--primary);
}

.feature-card:nth-child(2) .feature-icon-wrapper {
    background: #fffbeb;
}
.feature-card:nth-child(2) .feature-icon-wrapper i {
    color: var(--secondary);
}
.feature-card:nth-child(3) .feature-icon-wrapper {
    background: #ecfdf5;
}
.feature-card:nth-child(3) .feature-icon-wrapper i {
    color: #10b981;
}

.feature-card h3 {
    font-size: 20px;
    font-weight: 700;
    margin-bottom: 12px;
    color: var(--text-main);
}

.feature-card p {
    font-size: 14.5px;
    color: var(--text-sub);
    line-height: 1.6;
}

/* Footer Section */
footer {
    max-width: 1200px;
    margin: 0 auto;
    padding: 80px 24px 40px 24px;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 40px;
}

.footer-logo-area {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 12px;
}

.footer-links {
    display: flex;
    gap: 32px;
    flex-wrap: wrap;
    justify-content: center;
}

.footer-links a {
    text-decoration: none;
    color: var(--text-sub);
    font-size: 14px;
    font-weight: 600;
    transition: color 0.2s ease;
}

.footer-links a:hover {
    color: var(--primary);
}

.copyright {
    font-size: 13px;
    color: #94a3b8;
    text-align: center;
}

/* Animations */
@keyframes float {
    0%, 100% {
        transform: translateY(0px);
    }
    50% {
        transform: translateY(-8px);
    }
}

@keyframes pulse {
    0%, 100% {
        transform: scale(1);
        opacity: 1;
    }
    50% {
        transform: scale(1.05);
        opacity: 0.9;
    }
}


/* Mood Cast mobile refinements */
@media (max-width: 768px) {
    :root {
        --phone-width: 280px;
        --phone-height: 570px;
    }

    .hero-info h1 {
        font-size: 36px;
        letter-spacing: -1.2px;
    }

    header {
        flex-direction: column;
        gap: 18px;
    }

    .nav-links {
        gap: 10px;
        flex-wrap: wrap;
        justify-content: center;
    }
}