/* ========================================
   MIVU TEASER PAGE - STYLES
   ======================================== */

/* CSS Variables */
:root {
    /* Colors */
    --bg-primary: #0a0a0f;
    --bg-secondary: #12121a;
    --purple: #6366f1;
    --cyan: #06b6d4;
    --gold: #f59e0b;
    --white: #ffffff;
    --white-dim: #a1a1aa;
    --white-muted: #52525b;

    /* Glows */
    --glow-purple: rgba(99, 102, 241, 0.4);
    --glow-cyan: rgba(6, 182, 212, 0.4);
    --glow-gold: rgba(245, 158, 11, 0.3);

    /* Glass */
    --glass-bg: rgba(255, 255, 255, 0.03);
    --glass-border: rgba(255, 255, 255, 0.08);
    --glass-border-hover: rgba(255, 255, 255, 0.15);

    /* Typography - Exciting modern fonts */
    --font-display: 'Sora', 'Outfit', sans-serif;
    --font-body: 'Space Grotesk', 'Outfit', sans-serif;
    --font-sans: 'Outfit', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;

    /* Spacing */
    --container-max: 600px;
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 1.5rem;
    --spacing-lg: 2rem;
    --spacing-xl: 3rem;
    --spacing-2xl: 4rem;
}

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

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

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

/* Selection */
::selection {
    background: var(--cyan);
    color: black;
}

/* ========================================
   BACKGROUND LAYERS
   ======================================== */

.noise-overlay {
    position: fixed;
    inset: 0;
    background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noise'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noise)'/%3E%3C/svg%3E");
    opacity: 0.03;
    pointer-events: none;
    z-index: 1000;
}

.hero-bg {
    position: fixed;
    inset: 0;
    z-index: -1;
    overflow: hidden;
}

.hero-bg-image {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center;
    opacity: 0.6;
    animation: slowZoom 30s ease-in-out infinite alternate;
}

.hero-gradient-overlay {
    position: absolute;
    inset: 0;
    background:
        radial-gradient(ellipse 80% 50% at 50% -10%, var(--glow-purple), transparent 50%),
        radial-gradient(ellipse 60% 40% at 80% 20%, var(--glow-cyan), transparent 50%),
        linear-gradient(to bottom, transparent 0%, var(--bg-primary) 100%);
}

/* ========================================
   MAIN CONTAINER
   ======================================== */

.container {
    position: relative;
    z-index: 10;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    min-height: 100vh;
    padding: var(--spacing-lg);
    text-align: center;
}

/* ========================================
   LOGO
   ======================================== */

.logo-container {
    margin-bottom: var(--spacing-xl);
    animation: fadeInUp 1s ease-out 0.2s both;
}

.logo {
    width: 180px;
    height: auto;
    filter: drop-shadow(0 0 40px var(--glow-purple)) drop-shadow(0 0 80px var(--glow-cyan));
    animation: float 6s ease-in-out infinite, breathe 4s ease-in-out infinite;
}

/* ========================================
   TYPOGRAPHY
   ======================================== */

.headline {
    font-family: var(--font-display);
    font-size: clamp(2.5rem, 10vw, 5rem);
    font-weight: 800;
    line-height: 1.05;
    letter-spacing: -0.04em;
    margin-bottom: var(--spacing-md);
    animation: fadeInUp 1s ease-out 0.4s both;
    text-transform: lowercase;
}

.headline-gradient {
    display: block;
    background: linear-gradient(135deg, var(--purple) 0%, var(--cyan) 50%, var(--gold) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    background-size: 200% 200%;
    animation: gradientShift 8s ease-in-out infinite;
}

.headline-white {
    display: block;
    color: var(--white);
}

.tagline {
    font-family: var(--font-body);
    font-size: clamp(1.1rem, 3.5vw, 1.4rem);
    font-weight: 400;
    color: var(--white-dim);
    line-height: 1.7;
    margin-bottom: var(--spacing-xl);
    animation: fadeInUp 1s ease-out 0.6s both;
    letter-spacing: 0.02em;
}

.tagline-highlight {
    color: var(--cyan);
    font-weight: 600;
    text-shadow: 0 0 30px var(--glow-cyan);
}

/* ========================================
   FORM
   ======================================== */

.signup-form {
    width: 100%;
    max-width: var(--container-max);
    animation: fadeInUp 1s ease-out 0.8s both;
}

.form-group {
    position: relative;
}

.input-wrapper {
    display: flex;
    gap: var(--spacing-sm);
    padding: 6px;
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    border-radius: 16px;
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    transition: all 0.3s ease;
}

.input-wrapper:focus-within {
    border-color: var(--purple);
    box-shadow: 0 0 0 4px rgba(99, 102, 241, 0.15), 0 0 40px var(--glow-purple);
}

.input-wrapper:hover:not(:focus-within) {
    border-color: var(--glass-border-hover);
}

input[type="email"] {
    flex: 1;
    padding: 16px 20px;
    background: transparent;
    border: none;
    outline: none;
    font-family: inherit;
    font-size: 1rem;
    color: var(--white);
}

input[type="email"]::placeholder {
    color: var(--white-muted);
}

.submit-btn {
    position: relative;
    padding: 18px 32px;
    background: linear-gradient(135deg, var(--purple) 0%, var(--cyan) 100%);
    border: none;
    border-radius: 14px;
    font-family: var(--font-display);
    font-size: 1rem;
    font-weight: 700;
    color: var(--white);
    cursor: pointer;
    transition: all 0.3s ease;
    overflow: hidden;
    white-space: nowrap;
    letter-spacing: 0.03em;
    text-transform: lowercase;
}

.submit-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 40px var(--glow-purple), 0 0 60px var(--glow-cyan);
}

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

.btn-text,
.btn-loading,
.btn-success {
    display: flex;
    align-items: center;
    justify-content: center;
}

.btn-loading,
.btn-success {
    position: absolute;
    inset: 0;
    opacity: 0;
    pointer-events: none;
}

.spinner {
    width: 24px;
    height: 24px;
}

.btn-success svg {
    width: 24px;
    height: 24px;
}

/* Form States */
.signup-form.loading .btn-text { opacity: 0; }
.signup-form.loading .btn-loading { opacity: 1; }
.signup-form.success .btn-text { opacity: 0; }
.signup-form.success .btn-loading { opacity: 0; }
.signup-form.success .btn-success { opacity: 1; }
.signup-form.success .submit-btn {
    background: linear-gradient(135deg, #10b981 0%, #059669 100%);
}

.form-message {
    margin-top: var(--spacing-sm);
    font-size: 0.875rem;
    min-height: 1.5em;
    transition: all 0.3s ease;
}

.form-message.error {
    color: #ef4444;
}

.form-message.success {
    color: #10b981;
}

/* Honeypot (hidden) */
.honeypot {
    position: absolute;
    left: -9999px;
    opacity: 0;
    pointer-events: none;
}

/* ========================================
   COUNTER
   ======================================== */

.counter {
    margin-top: var(--spacing-lg);
    font-size: 0.875rem;
    color: var(--white-muted);
    animation: fadeInUp 1s ease-out 1s both;
}

.counter-number {
    color: var(--cyan);
    font-weight: 600;
    font-variant-numeric: tabular-nums;
}

/* ========================================
   SOCIAL LINKS
   ======================================== */

.social-links {
    display: flex;
    gap: var(--spacing-md);
    margin-top: var(--spacing-xl);
    animation: fadeInUp 1s ease-out 1.2s both;
}

.social-link {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 48px;
    height: 48px;
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    border-radius: 12px;
    color: var(--white-dim);
    transition: all 0.3s ease;
}

.social-link:hover {
    color: var(--white);
    border-color: var(--glass-border-hover);
    background: rgba(255, 255, 255, 0.06);
    transform: translateY(-2px);
}

.social-link svg {
    width: 20px;
    height: 20px;
}

/* ========================================
   PARTICLES
   ======================================== */

.particles {
    position: fixed;
    inset: 0;
    pointer-events: none;
    z-index: 5;
    overflow: hidden;
}

.particle {
    position: absolute;
    width: 4px;
    height: 4px;
    background: var(--cyan);
    border-radius: 50%;
    opacity: 0.6;
    animation: particleFloat 15s linear infinite;
}

.particle:nth-child(odd) {
    background: var(--purple);
}

.particle:nth-child(3n) {
    background: var(--gold);
    opacity: 0.4;
}

/* ========================================
   ANIMATIONS
   ======================================== */

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

@keyframes float {
    0%, 100% {
        transform: translateY(0px);
    }
    50% {
        transform: translateY(-10px);
    }
}

@keyframes breathe {
    0%, 100% {
        filter: drop-shadow(0 0 40px var(--glow-purple)) drop-shadow(0 0 80px var(--glow-cyan));
    }
    50% {
        filter: drop-shadow(0 0 60px var(--glow-purple)) drop-shadow(0 0 100px var(--glow-cyan));
    }
}

@keyframes gradientShift {
    0%, 100% {
        background-position: 0% 50%;
    }
    50% {
        background-position: 100% 50%;
    }
}

@keyframes slowZoom {
    0% {
        transform: scale(1);
    }
    100% {
        transform: scale(1.1);
    }
}

@keyframes particleFloat {
    0% {
        transform: translateY(100vh) translateX(0);
        opacity: 0;
    }
    10% {
        opacity: 0.6;
    }
    90% {
        opacity: 0.6;
    }
    100% {
        transform: translateY(-100vh) translateX(50px);
        opacity: 0;
    }
}

/* ========================================
   RESPONSIVE
   ======================================== */

@media (max-width: 640px) {
    .logo {
        width: 140px;
    }

    .input-wrapper {
        flex-direction: column;
        gap: var(--spacing-xs);
        padding: 8px;
    }

    .submit-btn {
        width: 100%;
    }

    .social-links {
        gap: var(--spacing-sm);
    }

    .social-link {
        width: 44px;
        height: 44px;
    }
}

/* Reduce motion for accessibility */
@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }

    .hero-bg-image {
        animation: none;
    }

    .logo {
        animation: none;
    }
}