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

:root {
    --bg-primary: #ffffff;
    --bg-secondary: #f5f5f7;
    --text-primary: #1d1d1f;
    --text-secondary: #6e6e73;
    --accent-primary: #007AFF;
    --accent-hover: #0077ed;
    --font-primary: -apple-system, BlinkMacSystemFont, 'SF Pro Display', 'SF Pro Text', 'Helvetica Neue', sans-serif;
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

html {
    scroll-behavior: smooth;
    font-size: 16px;
}

body {
    font-family: var(--font-primary);
    background-color: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.47059;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    overflow-x: hidden;
    min-height: 100vh;
    position: relative;
}

/* Background Video */
.background-video-wrapper {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    z-index: -1;
    overflow: hidden;
    pointer-events: none;
    background: var(--bg-primary);
}

.background-video {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    min-width: 100%;
    min-height: 100%;
    width: auto;
    height: auto;
    object-fit: cover;
    object-position: center;
    opacity: 0.15;
    filter: blur(2px);
    mix-blend-mode: normal;
}

/* Coming Soon Hero Section */
.coming-soon-hero {
    min-height: 100vh;
    padding: 88px 0 120px;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    position: relative;
    background: rgba(255, 255, 255, 0.7);
    z-index: 1;
    backdrop-filter: blur(0.5px);
}

.hero-container {
    max-width: 980px;
    width: 100%;
    margin: 0 auto;
    padding: 0 22px;
    text-align: center;
    position: relative;
    z-index: 2;
}

/* Logo */
.logo-container {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 16px;
    margin-bottom: 60px;
    opacity: 0;
    transform: translateY(20px);
    animation: fadeInUp 0.8s cubic-bezier(0.16, 1, 0.3, 1) 0.1s forwards;
}

.logo-img {
    width: 64px;
    height: 64px;
    object-fit: contain;
    display: block;
}

.logo-text {
    font-size: 24px;
    font-weight: 600;
    color: var(--text-primary);
    line-height: 1;
    letter-spacing: -0.01em;
}

.trademark {
    font-size: 14px;
    font-weight: 400;
    vertical-align: super;
    line-height: 0;
    margin-left: 2px;
    opacity: 0.75;
}

/* Hero Title */
.hero-title {
    font-size: clamp(64px, 9vw, 128px);
    font-weight: 600;
    line-height: 1.2;
    letter-spacing: -0.03em;
    margin-bottom: 60px;
    padding-top: 0.15em;
    padding-bottom: 0.15em;
    background: linear-gradient(90deg, var(--text-primary) 0%, var(--accent-primary) 50%, var(--text-primary) 100%);
    background-size: 200% auto;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    opacity: 0;
    transform: translateY(30px);
    animation: fadeInUp 0.8s cubic-bezier(0.16, 1, 0.3, 1) 0.2s forwards,
               gradientMove 3s linear infinite;
    overflow: visible;
}

@keyframes gradientMove {
    to {
        background-position: 200% center;
    }
}

/* Hero Subheadline */
.hero-subheadline {
    max-width: 720px;
    margin: 0 auto 80px;
    text-align: center;
    opacity: 0;
    transform: translateY(20px);
    animation: fadeInUp 0.8s cubic-bezier(0.16, 1, 0.3, 1) 0.3s forwards;
}

.subheadline-text {
    font-size: clamp(24px, 3vw, 32px);
    color: var(--text-secondary);
    line-height: 1.5;
    font-weight: 400;
    margin-bottom: 24px;
    letter-spacing: -0.01em;
}

.subheadline-brand {
    font-size: clamp(20px, 2.5vw, 28px);
    font-weight: 600;
    line-height: 1.47059;
    letter-spacing: -0.02em;
    color: var(--text-primary);
}

.subheadline-brand .trademark {
    font-size: 14px;
    font-weight: 400;
    vertical-align: super;
    line-height: 0;
    margin-left: 2px;
    opacity: 0.75;
}

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


/* Subscription Section */
.subscription-section {
    max-width: 600px;
    margin: 0 auto 80px;
    padding: 48px 40px;
    background: var(--bg-secondary);
    border-radius: 24px;
    opacity: 0;
    transform: translateY(20px);
    animation: fadeInUp 0.8s cubic-bezier(0.16, 1, 0.3, 1) 0.6s forwards;
}

.subscription-title {
    font-size: clamp(28px, 3.5vw, 36px);
    font-weight: 600;
    line-height: 1.2;
    letter-spacing: -0.02em;
    margin-bottom: 12px;
    color: var(--text-primary);
}

.subscription-subtitle {
    font-size: 17px;
    color: var(--text-secondary);
    margin-bottom: 32px;
    line-height: 1.47059;
    font-weight: 400;
}

.subscription-form {
    width: 100%;
}

.input-group {
    display: flex;
    gap: 12px;
    margin-bottom: 12px;
}

.email-input {
    flex: 1;
    padding: 16px 20px;
    background: var(--bg-primary);
    border: 1px solid rgba(0, 0, 0, 0.1);
    border-radius: 12px;
    color: var(--text-primary);
    font-size: 17px;
    font-family: var(--font-primary);
    transition: var(--transition);
    outline: none;
    letter-spacing: -0.01em;
}

.email-input::placeholder {
    color: var(--text-secondary);
    opacity: 0.6;
}

.email-input:focus {
    border-color: var(--accent-primary);
    box-shadow: 0 0 0 4px rgba(0, 122, 255, 0.1);
}

.btn-primary {
    padding: 16px 32px;
    background: var(--accent-primary);
    border: none;
    border-radius: 12px;
    color: #ffffff;
    font-size: 17px;
    font-weight: 400;
    font-family: var(--font-primary);
    cursor: pointer;
    transition: var(--transition);
    white-space: nowrap;
    letter-spacing: -0.01em;
}

.btn-primary:hover {
    background: var(--accent-hover);
    transform: translateY(-1px);
}

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

.form-message {
    min-height: 24px;
    font-size: 15px;
    margin-top: 12px;
    transition: var(--transition);
    text-align: center;
}

.form-message.success {
    color: var(--accent-primary);
}

.form-message.error {
    color: #FF3B30;
}

/* Features Preview */
.features-preview {
    display: flex;
    justify-content: center;
    align-items: stretch;
    gap: 24px;
    max-width: 1200px;
    margin: 0 auto;
    opacity: 0;
    transform: translateY(20px);
    animation: fadeInUp 0.8s cubic-bezier(0.16, 1, 0.3, 1) 0.7s forwards;
    flex-wrap: nowrap;
}

.feature-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: flex-start;
    gap: 16px;
    padding: 24px;
    background: var(--bg-secondary);
    border-radius: 20px;
    transition: var(--transition);
    flex: 1 1 0;
    min-width: 0;
    height: 100%;
}

.feature-item:hover {
    transform: translateY(-4px);
    background: #e8e8ed;
}

.feature-icon {
    width: 48px;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.feature-icon svg {
    width: 100%;
    height: 100%;
}

.feature-text {
    font-size: 15px;
    color: var(--text-primary);
    font-weight: 400;
    text-align: center;
    line-height: 1.47059;
    letter-spacing: -0.01em;
    margin-top: auto;
    min-height: 44px;
    display: flex;
    align-items: center;
    justify-content: center;
}

/* Responsive Design */
@media (max-width: 768px) {
    .coming-soon-hero {
        padding: 60px 0 80px;
    }
    
    .logo-container {
        margin-bottom: 40px;
    }
    
    .hero-title {
        margin-bottom: 16px;
    }
    
    .hero-subheadline {
        margin-bottom: 60px;
    }
    
    .subscription-section {
        padding: 32px 24px;
        margin-bottom: 60px;
    }
    
    .input-group {
        flex-direction: column;
    }
    
    .btn-primary {
        width: 100%;
    }
    
    .features-preview {
        gap: 16px;
        justify-content: center;
        flex-wrap: wrap;
    }
    
    .feature-item {
        min-width: 140px;
        padding: 20px;
        flex: 0 1 calc(50% - 8px);
        max-width: calc(50% - 8px);
    }
}

@media (max-width: 480px) {
    .hero-container {
        padding: 0 16px;
    }
    
    .logo-img {
        width: 48px;
        height: 48px;
    }
    
    .logo-text {
        font-size: 20px;
    }
    
    .subscription-section {
        padding: 24px 20px;
    }
    
    .subscription-title {
        font-size: 24px;
    }
    
    .subscription-subtitle {
        font-size: 15px;
    }
    
    .hero-subheadline {
        margin-bottom: 40px;
    }
    
    .subheadline-text {
        font-size: 22px;
        margin-bottom: 20px;
    }
    
    .subheadline-brand {
        font-size: 18px;
    }
    
    .features-preview {
        flex-wrap: wrap;
    }
    
    .feature-item {
        min-width: 120px;
        padding: 16px;
        flex: 0 1 100%;
        max-width: 100%;
    }
    
    .feature-text {
        font-size: 13px;
        min-height: auto;
    }
}