/* ===== CSS Variables (Brand Colors) ===== */
:root {
    --pink: #FF65BE;
    --yellow: #FBFF22;
    --black: #000000;
    --white: #FFFFFF;
    --cyan: #11E8F6;
    --dark-grey: #333333;
    --mid-grey: #666666;
    --light-grey: #999999;
    --bg-primary: var(--black);
    --text-primary: var(--white);
    --text-secondary: var(--light-grey);
    --accent-primary: var(--pink);
    --accent-secondary: var(--yellow);
    --font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    --spacing-xs: 0.25rem;
    --spacing-sm: 0.5rem;
    --spacing-md: 1rem;
    --spacing-lg: 1.5rem;
    --spacing-xl: 2rem;
    --spacing-2xl: 3rem;
    --spacing-3xl: 4rem;
    --radius-sm: 4px;
    --radius-md: 8px;
    --radius-lg: 12px;
    --radius-xl: 16px;
    --radius-full: 9999px;
    --transition-fast: 150ms ease;
    --transition-normal: 250ms ease;
    --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.3);
    --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.4);
    --shadow-lg: 0 10px 15px rgba(0, 0, 0, 0.5);
}

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

html {
    font-size: 16px;
    scroll-behavior: smooth;
    overscroll-behavior: none;
    -webkit-text-size-adjust: 100%;
}

body {
    font-family: var(--font-family);
    background-color: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.6;
    min-height: 100vh;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    -webkit-overflow-scrolling: touch;
    overscroll-behavior: none;
    padding-left: env(safe-area-inset-left);
    padding-right: env(safe-area-inset-right);
}

/* ===== Layout ===== */
.container {
    width: 100%;
    max-width: 600px;
    margin: 0 auto;
    padding: var(--spacing-lg);
    display: flex;
    flex-direction: column;
    min-height: 100vh;
}

/* ===== Brand ===== */
.brand {
    text-align: center;
    padding: var(--spacing-lg) 0;
}

.brand-logo {
    max-width: 200px;
    height: auto;
}

/* ===== Landing Content ===== */
.landing-content {
    flex: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    text-align: center;
    padding: var(--spacing-xl) 0;
}

/* ===== Avatar ===== */
.landing-avatar {
    margin-bottom: var(--spacing-md);
}

.landing-avatar-img {
    width: 120px;
    height: 120px;
    border-radius: 50%;
    object-fit: cover;
    border: 3px solid var(--pink);
    box-shadow: 0 0 25px rgba(255, 101, 190, 0.4);
}

/* ===== Headline ===== */
.headline {
    font-size: clamp(2rem, 5vw, 2.75rem);
    font-weight: 800;
    line-height: 1.2;
    margin-bottom: var(--spacing-lg);
    background: linear-gradient(135deg, var(--pink), var(--yellow));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.subheadline {
    font-size: 1.125rem;
    color: var(--text-secondary);
    margin-bottom: var(--spacing-2xl);
    max-width: 500px;
}

/* ===== Email Capture Card ===== */
.email-capture {
    background: linear-gradient(135deg, rgba(255, 101, 190, 0.1), rgba(251, 255, 34, 0.05));
    border: 1px solid var(--dark-grey);
    border-radius: var(--radius-lg);
    padding: var(--spacing-lg);
    margin-bottom: var(--spacing-lg);
    width: 100%;
    text-align: left;
}

.email-headline {
    font-size: 1.1rem;
    margin-bottom: var(--spacing-sm);
    color: var(--white);
}

.email-benefits {
    list-style: none;
    padding: 0;
    margin: 0 0 var(--spacing-md) 0;
    text-align: left;
}

.email-benefits li {
    position: relative;
    padding-left: var(--spacing-lg);
    margin-bottom: 2px;
    color: var(--light-grey);
    font-size: 0.9rem;
    line-height: 1.5;
}

.email-benefits li::before {
    content: "\2713";
    position: absolute;
    left: 0;
    color: var(--pink);
    font-weight: bold;
}

/* ===== Form ===== */
.email-form {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

.email-form input[type="text"],
.email-form input[type="email"] {
    width: 100%;
    padding: var(--spacing-md) var(--spacing-lg);
    background-color: var(--white);
    border: 2px solid transparent;
    border-radius: var(--radius-md);
    font-family: var(--font-family);
    font-size: 1rem;
    color: var(--black);
    transition: border-color var(--transition-fast);
}

.email-form input[type="text"]:focus,
.email-form input[type="email"]:focus {
    outline: none;
    border-color: var(--pink);
}

.email-form input::placeholder {
    color: var(--mid-grey);
}

/* ===== Buttons ===== */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-md) var(--spacing-xl);
    font-family: var(--font-family);
    font-size: 1rem;
    font-weight: 600;
    text-decoration: none;
    border: none;
    border-radius: var(--radius-lg);
    cursor: pointer;
    transition: all var(--transition-fast);
    touch-action: manipulation;
}

.btn:focus {
    outline: 2px solid var(--pink);
    outline-offset: 2px;
}

.btn-primary {
    background-color: var(--pink);
    color: var(--white);
}

.btn-primary:hover {
    background-color: #ff7fc7;
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.btn-secondary {
    background-color: var(--yellow);
    color: var(--black);
}

.btn-secondary:hover {
    background-color: #fcff4d;
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.btn-large {
    padding: var(--spacing-lg) var(--spacing-2xl);
    font-size: 1.125rem;
    width: 100%;
}

.btn-glow {
    animation: glow-cyan 2s ease-in-out infinite;
}

.btn-glow:hover {
    animation: none;
    transform: translateY(-2px);
    box-shadow: 0 0 15px #11E8F6,
                0 0 30px rgba(17, 232, 246, 0.5);
}

@keyframes glow-cyan {
    0%, 100% {
        box-shadow: 0 0 5px #11E8F6,
                    0 0 15px rgba(17, 232, 246, 0.4),
                    0 0 30px rgba(17, 232, 246, 0.2);
    }
    50% {
        box-shadow: 0 0 10px #11E8F6,
                    0 0 25px rgba(17, 232, 246, 0.6),
                    0 0 50px rgba(17, 232, 246, 0.4);
    }
}

/* ===== Social Proof ===== */
.social-proof {
    text-align: center;
    font-size: 0.85rem;
    color: var(--mid-grey);
    margin-top: var(--spacing-sm);
}

/* ===== Trust Badges ===== */
.trust-badges {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: var(--spacing-sm) var(--spacing-md);
    margin-top: var(--spacing-md);
    margin-bottom: var(--spacing-md);
}

.trust-item {
    font-size: 0.8rem;
    color: var(--light-grey);
    display: flex;
    align-items: center;
    gap: 4px;
}

/* ===== Social Proof Banner ===== */
.social-proof-banner {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-md);
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-full);
    padding: var(--spacing-sm) var(--spacing-lg);
    margin-bottom: var(--spacing-xl);
    flex-wrap: wrap;
    justify-content: center;
}

.sp-item {
    display: flex;
    align-items: center;
    gap: 6px;
    font-size: 0.9rem;
    color: var(--light-grey);
}

.sp-icon {
    font-size: 1.1rem;
}

.sp-text strong {
    color: var(--yellow);
    font-weight: 700;
}

.sp-divider {
    width: 4px;
    height: 4px;
    background: var(--mid-grey);
    border-radius: 50%;
}

/* ===== Urgency Banner ===== */
.urgency-banner {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-sm);
    background: rgba(255, 101, 190, 0.1);
    border: 1px solid rgba(255, 101, 190, 0.3);
    border-radius: var(--radius-md);
    padding: var(--spacing-xs) var(--spacing-md);
    margin-bottom: var(--spacing-lg);
    font-size: 0.85rem;
    color: var(--light-grey);
}

.urgency-dot {
    width: 8px;
    height: 8px;
    background: var(--pink);
    border-radius: 50%;
    animation: pulse-urgency 2s infinite;
}

@keyframes pulse-urgency {
    0%, 100% {
        opacity: 1;
        transform: scale(1);
        box-shadow: 0 0 0 0 rgba(255, 101, 190, 0.4);
    }
    50% {
        opacity: 0.8;
        transform: scale(1.1);
        box-shadow: 0 0 0 6px rgba(255, 101, 190, 0);
    }
}

.urgency-text strong {
    color: var(--pink);
    font-weight: 700;
}

/* ===== Footer ===== */
.landing-footer {
    text-align: center;
    padding: var(--spacing-lg) 0;
    color: var(--mid-grey);
    font-size: 0.875rem;
}

/* ===== Form States ===== */
.btn:disabled {
    opacity: 0.7;
    cursor: not-allowed;
    animation: none;
}

.form-error {
    color: #f87171;
    font-size: 0.85rem;
    text-align: center;
    margin-top: var(--spacing-sm);
    display: none;
}

.form-success {
    text-align: center;
    padding: var(--spacing-xl) 0;
}

.success-emoji {
    font-size: 3rem;
    margin-bottom: var(--spacing-md);
}

.form-success h3 {
    color: var(--yellow);
    font-size: 1.25rem;
    margin-bottom: var(--spacing-sm);
}

.form-success p {
    color: var(--light-grey);
    font-size: 0.95rem;
}

/* ===== Mobile ===== */
@media (max-width: 480px) {
    .email-capture {
        padding: var(--spacing-md);
    }

    .email-form {
        gap: var(--spacing-sm);
    }

    .email-form input[type="text"],
    .email-form input[type="email"] {
        padding: var(--spacing-sm) var(--spacing-md);
    }

    .email-form button[type="submit"] {
        margin-top: var(--spacing-xs);
    }

    .trust-badges {
        gap: var(--spacing-xs) var(--spacing-sm);
    }

    .trust-item {
        font-size: 0.75rem;
    }

    .social-proof-banner {
        padding: var(--spacing-xs) var(--spacing-md);
        gap: var(--spacing-sm);
    }

    .sp-item {
        font-size: 0.8rem;
    }

    .sp-icon {
        font-size: 1rem;
    }

    .sp-divider {
        display: none;
    }

    .urgency-banner {
        font-size: 0.8rem;
        padding: var(--spacing-xs) var(--spacing-sm);
    }
}