:root {
    --bg-color: #0B0B0F;
    --text-primary: #FFFFFF;
    --text-secondary: #9BA1A6;
    --accent-red: #FF3B30;
    --accent-red-glow: rgba(255, 59, 48, 0.4);
    --card-bg: rgba(255, 255, 255, 0.03);
    --card-border: rgba(255, 255, 255, 0.08);
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Pretendard', -apple-system, BlinkMacSystemFont, system-ui, Roboto, 'Helvetica Neue', sans-serif;
}

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

/* Background Effects */
.background-effects {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    z-index: -1;
    overflow: hidden;
    pointer-events: none;
}

.blob {
    position: absolute;
    border-radius: 50%;
    filter: blur(120px);
    opacity: 0.6;
    animation: float 20s infinite alternate ease-in-out;
}

.blob-1 {
    top: -10%;
    left: -10%;
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, #5b13df 0%, rgba(91, 19, 223, 0) 70%);
}

.blob-2 {
    bottom: -10%;
    right: -10%;
    width: 500px;
    height: 500px;
    background: radial-gradient(circle, #ff3b30 0%, rgba(255, 59, 48, 0) 70%);
    animation-delay: -5s;
}

@keyframes float {
    0% { transform: translate(0, 0) scale(1); }
    100% { transform: translate(100px, 50px) scale(1.2); }
}

/* Typography & Utilites */
.gradient-text {
    background: linear-gradient(135deg, #FF3B30, #FF9500);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

a {
    text-decoration: none;
    color: inherit;
}

/* Header */
.header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 24px 48px;
    max-width: 1200px;
    margin: 0 auto;
}

.logo {
    font-size: 24px;
    font-weight: 900;
    letter-spacing: -0.5px;
}

.logo span {
    color: var(--accent-red);
}

.btn-outline {
    border: 1px solid rgba(255, 255, 255, 0.2);
    padding: 10px 24px;
    border-radius: 100px;
    font-size: 14px;
    font-weight: 600;
    transition: all 0.3s ease;
    backdrop-filter: blur(10px);
}

.btn-outline:hover {
    background: rgba(255, 255, 255, 0.1);
    border-color: rgba(255, 255, 255, 0.4);
    transform: translateY(-2px);
}

/* Main Container */
.landing-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
}

/* Hero Section */
.hero {
    text-align: center;
    padding: 80px 0 60px;
}

.badge {
    display: inline-block;
    padding: 8px 16px;
    background: rgba(255, 59, 48, 0.1);
    border: 1px solid rgba(255, 59, 48, 0.3);
    color: #FF6B60;
    border-radius: 100px;
    font-size: 14px;
    font-weight: 600;
    margin-bottom: 24px;
    animation: pulse 2s infinite;
}

@keyframes pulse {
    0% { box-shadow: 0 0 0 0 var(--accent-red-glow); }
    70% { box-shadow: 0 0 0 15px rgba(255, 59, 48, 0); }
    100% { box-shadow: 0 0 0 0 rgba(255, 59, 48, 0); }
}

.title {
    font-size: 64px;
    font-weight: 900;
    line-height: 1.2;
    letter-spacing: -2px;
    margin-bottom: 24px;
}

.subtitle {
    font-size: 20px;
    color: var(--text-secondary);
    margin-bottom: 64px;
}

/* Features */
.features {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
    margin-bottom: 100px;
}

.feature-card {
    background: var(--card-bg);
    border: 1px solid var(--card-border);
    padding: 32px;
    border-radius: 24px;
    backdrop-filter: blur(20px);
    transition: transform 0.3s ease, border-color 0.3s ease;
}

.feature-card:hover {
    transform: translateY(-8px);
    border-color: rgba(255, 255, 255, 0.2);
}

.feature-card .icon {
    font-size: 40px;
    margin-bottom: 16px;
}

.feature-card h3 {
    font-size: 20px;
    font-weight: 700;
    margin-bottom: 8px;
}

.feature-card p {
    color: var(--text-secondary);
    font-size: 15px;
}

/* Form Section */
.form-section {
    display: flex;
    justify-content: center;
    padding-bottom: 100px;
}

.glass-card {
    background: linear-gradient(135deg, rgba(255, 255, 255, 0.05) 0%, rgba(255, 255, 255, 0.01) 100%);
    border: 1px solid rgba(255, 255, 255, 0.1);
    box-shadow: 0 24px 40px rgba(0, 0, 0, 0.4);
    border-radius: 32px;
    padding: 48px;
    width: 100%;
    max-width: 540px;
    text-align: center;
    backdrop-filter: blur(24px);
    -webkit-backdrop-filter: blur(24px);
}

.glass-card h2 {
    font-size: 28px;
    font-weight: 700;
    margin-bottom: 12px;
}

.glass-card p {
    font-size: 15px;
    color: var(--text-secondary);
    margin-bottom: 32px;
}

.signup-form {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

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

.input-group label {
    display: block;
    font-size: 14px;
    font-weight: 600;
    margin-bottom: 8px;
    color: rgba(255, 255, 255, 0.8);
}

.input-group input {
    width: 100%;
    background: rgba(0, 0, 0, 0.2);
    border: 1px solid rgba(255, 255, 255, 0.1);
    padding: 16px;
    border-radius: 12px;
    color: white;
    font-size: 16px;
    transition: all 0.3s ease;
}

.input-group input:focus {
    outline: none;
    border-color: var(--accent-red);
    box-shadow: 0 0 0 3px var(--accent-red-glow);
    background: rgba(0, 0, 0, 0.4);
}

.input-group input::placeholder {
    color: rgba(255, 255, 255, 0.2);
}

.btn-primary {
    position: relative;
    background: linear-gradient(90deg, #FF3B30, #FF6B60);
    color: white;
    border: none;
    padding: 20px;
    border-radius: 12px;
    font-size: 18px;
    font-weight: 700;
    cursor: pointer;
    overflow: hidden;
    margin-top: 12px;
    transition: transform 0.2s ease, box-shadow 0.2s ease;
    box-shadow: 0 8px 24px rgba(255, 59, 48, 0.3);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 12px 32px rgba(255, 59, 48, 0.4);
}

.btn-primary:active {
    transform: translateY(0);
}

.btn-primary span {
    position: relative;
    z-index: 1;
}

.btn-primary .shine {
    position: absolute;
    top: 0;
    left: -100%;
    width: 50%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.3), transparent);
    transform: skewX(-20deg);
    animation: shine 3s infinite;
}

@keyframes shine {
    0% { left: -100%; }
    20% { left: 200%; }
    100% { left: 200%; }
}

.form-notice {
    font-size: 13px !important;
    color: rgba(255, 255, 255, 0.4) !important;
    margin-bottom: 0 !important;
    margin-top: 8px;
}

/* Footer */
.footer {
    text-align: center;
    padding: 32px 0;
    border-top: 1px solid rgba(255, 255, 255, 0.05);
    color: rgba(255, 255, 255, 0.3);
    font-size: 14px;
}

/* Responsive */
@media (max-width: 768px) {
    .header {
        padding: 20px;
    }
    .title {
        font-size: 40px;
    }
    .subtitle {
        font-size: 16px;
        margin-bottom: 40px;
    }
    .features {
        grid-template-columns: 1fr;
        padding: 0 16px;
    }
    .glass-card {
        padding: 32px 24px;
        border-radius: 24px;
    }
}