/* ==========================================
   NETO LANDING PAGE - DESIGN SYSTEM
   ========================================== */

/* CSS Variables - Design Tokens */
:root {
    /* Colors - Primary Palette */
    --color-primary: #6366F1;
    --color-primary-dark: #4F46E5;
    --color-secondary: #8B5CF6;
    --color-accent: #10B981;
    --color-accent-dark: #059669;

    /* Background Colors */
    --color-bg-primary: #0F172A;
    --color-bg-secondary: #1E293B;
    --color-bg-tertiary: #334155;
    --color-bg-card: rgba(30, 41, 59, 0.6);

    /* Text Colors */
    --color-text-primary: #F8FAFC;
    --color-text-secondary: #CBD5E1;
    --color-text-muted: #94A3B8;

    /* Gradients */
    --gradient-primary: linear-gradient(135deg, #6366F1 0%, #8B5CF6 100%);
    --gradient-accent: linear-gradient(135deg, #10B981 0%, #059669 100%);
    --gradient-hero: radial-gradient(ellipse at top, rgba(99, 102, 241, 0.15) 0%, transparent 60%);

    /* Typography */
    --font-primary: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    --font-display: 'Outfit', 'Inter', sans-serif;

    /* Spacing */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 1.5rem;
    --spacing-lg: 2rem;
    --spacing-xl: 3rem;
    --spacing-2xl: 4rem;
    --spacing-3xl: 6rem;

    /* Border Radius */
    --radius-sm: 0.5rem;
    --radius-md: 1rem;
    --radius-lg: 1.5rem;
    --radius-xl: 2rem;

    /* Shadows */
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.2);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.3);
    --shadow-glow: 0 0 30px rgba(99, 102, 241, 0.3);

    /* Transitions */
    --transition-fast: 150ms ease-in-out;
    --transition-base: 300ms ease-in-out;
    --transition-slow: 500ms ease-in-out;
}

/* ==========================================
   RESET & BASE STYLES
   ========================================== */

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

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

body {
    font-family: var(--font-primary);
    background-color: var(--color-bg-primary);
    color: var(--color-text-primary);
    line-height: 1.6;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

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

h1,
h2,
h3,
h4,
h5,
h6 {
    font-family: var(--font-display);
    font-weight: 800;
    line-height: 1.2;
    color: var(--color-text-primary);
}

.gradient-text {
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* ==========================================
   LAYOUT UTILITIES
   ========================================== */

.container {
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 var(--spacing-md);
}

@media (min-width: 768px) {
    .container {
        padding: 0 var(--spacing-xl);
    }
}

/* ==========================================
   NAVIGATION
   ========================================== */

.nav {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: rgba(15, 23, 42, 0.8);
    backdrop-filter: blur(12px);
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    transition: all var(--transition-base);
}

.nav-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--spacing-md) 0;
}

.logo {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.logo-text {
    font-family: var(--font-display);
    font-size: 1.75rem;
    font-weight: 900;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.logo-badge {
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--color-accent);
    background: rgba(16, 185, 129, 0.1);
    padding: 0.25rem 0.75rem;
    border-radius: 2rem;
    border: 1px solid rgba(16, 185, 129, 0.3);
}

.nav-cta {
    padding: 0.75rem 1.5rem;
    background: var(--gradient-primary);
    color: white;
    text-decoration: none;
    border-radius: var(--radius-md);
    font-weight: 600;
    font-size: 0.95rem;
    transition: all var(--transition-base);
    box-shadow: var(--shadow-md);
}

.nav-cta:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg), var(--shadow-glow);
}

/* ==========================================
   HERO SECTION
   ========================================== */

.hero {
    position: relative;
    padding: calc(80px + var(--spacing-3xl)) 0 var(--spacing-3xl);
    overflow: hidden;
}

.hero-gradient {
    position: absolute;
    top: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 100%;
    height: 100%;
    background: var(--gradient-hero);
    pointer-events: none;
}

.hero-content {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--spacing-xl);
    align-items: center;
    position: relative;
    z-index: 1;
}

@media (min-width: 1024px) {
    .hero-content {
        grid-template-columns: 1fr 1fr;
        gap: var(--spacing-3xl);
    }
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-xs);
    background: rgba(99, 102, 241, 0.1);
    border: 1px solid rgba(99, 102, 241, 0.3);
    padding: 0.5rem 1rem;
    border-radius: 2rem;
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--color-text-secondary);
    margin-bottom: var(--spacing-md);
    animation: fadeInUp 0.6s ease-out;
}

.badge-icon {
    font-size: 1.2rem;
}

.hero-title {
    font-size: 2.5rem;
    font-weight: 900;
    margin-bottom: var(--spacing-md);
    animation: fadeInUp 0.6s ease-out 0.1s backwards;
}

@media (min-width: 768px) {
    .hero-title {
        font-size: 3.5rem;
    }
}

@media (min-width: 1024px) {
    .hero-title {
        font-size: 4rem;
    }
}

.hero-description {
    font-size: 1.125rem;
    color: var(--color-text-secondary);
    margin-bottom: var(--spacing-xl);
    max-width: 600px;
    animation: fadeInUp 0.6s ease-out 0.2s backwards;
}

.hero-cta {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
    animation: fadeInUp 0.6s ease-out 0.3s backwards;
}

@media (min-width: 640px) {
    .hero-cta {
        flex-direction: row;
        align-items: center;
    }
}

.hero-stats {
    display: flex;
    gap: var(--spacing-lg);
}

.stat {
    display: flex;
    flex-direction: column;
}

.stat-number {
    font-size: 2rem;
    font-weight: 800;
    background: var(--gradient-accent);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.stat-label {
    font-size: 0.875rem;
    color: var(--color-text-muted);
}

/* Hero Visual */
.hero-visual {
    position: relative;
    animation: fadeInUp 0.6s ease-out 0.4s backwards;
}

.hero-image-wrapper {
    position: relative;
    width: 100%;
    max-width: 500px;
    margin: 0 auto;
}

.hero-image {
    width: 100%;
    height: auto;
    filter: drop-shadow(0 20px 40px rgba(99, 102, 241, 0.3));
    animation: float 6s ease-in-out infinite;
}

.floating-card {
    position: absolute;
    background: var(--color-bg-card);
    backdrop-filter: blur(12px);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-md);
    padding: 0.75rem 1rem;
    display: flex;
    align-items: center;
    gap: 0.75rem;
    box-shadow: var(--shadow-xl);
    animation: float 4s ease-in-out infinite;
}

.card-1 {
    top: 10%;
    left: -5%;
    animation-delay: 0s;
}

.card-2 {
    top: 50%;
    right: -5%;
    animation-delay: 1s;
}

.card-3 {
    bottom: 15%;
    left: 5%;
    animation-delay: 2s;
}

.card-icon {
    font-size: 1.5rem;
}

.card-label {
    font-size: 0.75rem;
    color: var(--color-text-muted);
}

.card-value {
    font-size: 0.95rem;
    font-weight: 700;
    color: var(--color-text-primary);
}

/* ==========================================
   BUTTONS
   ========================================== */

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 0.875rem 1.75rem;
    font-family: var(--font-primary);
    font-size: 1rem;
    font-weight: 600;
    text-decoration: none;
    border: none;
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: all var(--transition-base);
    white-space: nowrap;
}

.btn-primary {
    background: var(--gradient-primary);
    color: white;
    box-shadow: var(--shadow-md);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg), var(--shadow-glow);
}

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

.btn-large {
    padding: 1.125rem 2rem;
    font-size: 1.125rem;
}

.btn-block {
    width: 100%;
}

.btn:disabled {
    opacity: 0.6;
    cursor: not-allowed;
    transform: none !important;
}

/* ==========================================
   SECTION HEADERS
   ========================================== */

.section-header {
    text-align: center;
    margin-bottom: var(--spacing-3xl);
}

.section-title {
    font-size: 2.5rem;
    margin-bottom: var(--spacing-md);
}

@media (min-width: 768px) {
    .section-title {
        font-size: 3rem;
    }
}

.section-description {
    font-size: 1.125rem;
    color: var(--color-text-secondary);
    max-width: 700px;
    margin: 0 auto;
}

/* ==========================================
   PROBLEM SECTION
   ========================================== */

.problem {
    padding: var(--spacing-3xl) 0;
    background: linear-gradient(180deg, transparent 0%, rgba(30, 41, 59, 0.3) 100%);
}

.problem-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--spacing-lg);
}

@media (min-width: 640px) {
    .problem-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (min-width: 1024px) {
    .problem-grid {
        grid-template-columns: repeat(4, 1fr);
    }
}

.problem-card {
    background: var(--color-bg-card);
    backdrop-filter: blur(12px);
    border: 1px solid rgba(255, 255, 255, 0.05);
    border-radius: var(--radius-lg);
    padding: var(--spacing-lg);
    transition: all var(--transition-base);
    opacity: 0;
    transform: translateY(20px);
}

.problem-card.visible {
    opacity: 1;
    transform: translateY(0);
}

.problem-card:hover {
    transform: translateY(-8px);
    border-color: rgba(99, 102, 241, 0.3);
    box-shadow: var(--shadow-xl);
}

.problem-icon {
    width: 64px;
    height: 64px;
    font-size: 3rem;
    margin-bottom: var(--spacing-md);
    object-fit: contain;
}

.problem-title {
    font-size: 1.25rem;
    margin-bottom: var(--spacing-sm);
}

.problem-text {
    color: var(--color-text-secondary);
    font-size: 0.95rem;
}

/* ==========================================
   SOLUTION SECTION
   ========================================== */

.solution {
    padding: var(--spacing-3xl) 0;
}

.features-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--spacing-xl);
}

@media (min-width: 768px) {
    .features-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

.feature-card {
    background: var(--color-bg-card);
    backdrop-filter: blur(12px);
    border: 1px solid rgba(255, 255, 255, 0.05);
    border-radius: var(--radius-lg);
    padding: var(--spacing-xl);
    transition: all var(--transition-base);
    opacity: 0;
    transform: translateY(20px);
}

.feature-card.visible {
    opacity: 1;
    transform: translateY(0);
}

.feature-card:hover {
    transform: translateY(-8px);
    border-color: rgba(99, 102, 241, 0.3);
    box-shadow: var(--shadow-xl), var(--shadow-glow);
}

.feature-icon {
    width: 64px;
    height: 64px;
    margin-bottom: var(--spacing-md);
}

.feature-title {
    font-size: 1.5rem;
    margin-bottom: var(--spacing-sm);
}

.feature-text {
    color: var(--color-text-secondary);
    font-size: 1rem;
}

/* ==========================================
   HOW IT WORKS SECTION
   ========================================== */

.how-it-works {
    padding: var(--spacing-3xl) 0;
    background: linear-gradient(180deg, transparent 0%, rgba(30, 41, 59, 0.3) 100%);
}

.steps-container {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-lg);
    max-width: 900px;
    margin: 0 auto;
}

@media (min-width: 768px) {
    .steps-container {
        flex-direction: row;
        align-items: flex-start;
    }
}

.step {
    flex: 1;
    text-align: center;
    opacity: 0;
    transform: translateY(20px);
}

.step.visible {
    opacity: 1;
    transform: translateY(0);
}

.step-number {
    width: 64px;
    height: 64px;
    margin: 0 auto var(--spacing-md);
    background: var(--gradient-primary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.75rem;
    font-weight: 800;
    color: white;
    box-shadow: var(--shadow-glow);
}

.step-connector {
    display: none;
}

@media (min-width: 768px) {
    .step-connector {
        display: block;
        flex: 0 0 60px;
        height: 2px;
        background: linear-gradient(90deg, var(--color-primary) 0%, var(--color-secondary) 100%);
        margin-top: 32px;
        opacity: 0.3;
    }
}

.step-title {
    font-size: 1.25rem;
    margin-bottom: var(--spacing-sm);
}

.step-text {
    color: var(--color-text-secondary);
    font-size: 0.95rem;
}

/* ==========================================
   EARLY ACCESS SECTION
   ========================================== */

.early-access {
    padding: var(--spacing-3xl) 0;
    position: relative;
    overflow: hidden;
}

.early-access::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 800px;
    height: 800px;
    background: radial-gradient(circle, rgba(99, 102, 241, 0.1) 0%, transparent 70%);
    pointer-events: none;
}

.early-access-content {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--spacing-3xl);
    align-items: center;
    position: relative;
    z-index: 1;
}

@media (min-width: 1024px) {
    .early-access-content {
        grid-template-columns: 1fr 1fr;
    }
}

.exclusive-badge {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-xs);
    background: rgba(16, 185, 129, 0.1);
    border: 1px solid rgba(16, 185, 129, 0.3);
    padding: 0.5rem 1rem;
    border-radius: 2rem;
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--color-accent);
    margin-bottom: var(--spacing-md);
}

.early-access-title {
    font-size: 2.5rem;
    margin-bottom: var(--spacing-md);
}

@media (min-width: 768px) {
    .early-access-title {
        font-size: 3rem;
    }
}

.early-access-description {
    font-size: 1.125rem;
    color: var(--color-text-secondary);
    margin-bottom: var(--spacing-xl);
}

.benefits-list {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-xl);
}

.benefit {
    display: flex;
    gap: var(--spacing-md);
    align-items: flex-start;
}

.benefit-icon {
    flex-shrink: 0;
    width: 28px;
    height: 28px;
    background: var(--gradient-accent);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-weight: 700;
    font-size: 1rem;
}

.benefit-text {
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
}

.benefit-text strong {
    color: var(--color-text-primary);
    font-weight: 600;
}

.benefit-text span {
    color: var(--color-text-muted);
    font-size: 0.9rem;
}

.urgency-counter {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-md);
    background: var(--color-bg-card);
    backdrop-filter: blur(12px);
    border: 1px solid rgba(255, 255, 255, 0.1);
    padding: var(--spacing-md) var(--spacing-lg);
    border-radius: var(--radius-md);
}

.counter-label {
    font-size: 0.95rem;
    color: var(--color-text-secondary);
}

.counter-value {
    font-size: 2rem;
    font-weight: 800;
    background: var(--gradient-accent);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* Form Card */
.early-access-form-wrapper {
    display: flex;
    justify-content: center;
}

.form-card {
    width: 100%;
    max-width: 500px;
    background: var(--color-bg-card);
    backdrop-filter: blur(12px);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-xl);
    padding: var(--spacing-xl);
    box-shadow: var(--shadow-xl);
}

.form-title {
    font-size: 1.75rem;
    margin-bottom: var(--spacing-xs);
    text-align: center;
}

.form-subtitle {
    color: var(--color-text-secondary);
    text-align: center;
    margin-bottom: var(--spacing-xl);
}

.signup-form {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xs);
}

.form-label {
    font-size: 0.95rem;
    font-weight: 600;
    color: var(--color-text-secondary);
}

.form-input {
    padding: 0.875rem 1rem;
    background: rgba(15, 23, 42, 0.6);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-md);
    color: var(--color-text-primary);
    font-family: var(--font-primary);
    font-size: 1rem;
    transition: all var(--transition-base);
}

.form-input:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.1);
}

.form-input.error {
    border-color: #EF4444;
}

.form-error {
    font-size: 0.875rem;
    color: #EF4444;
    display: none;
}

.form-error.visible {
    display: block;
}

.form-disclaimer {
    text-align: center;
    font-size: 0.875rem;
    color: var(--color-text-muted);
    margin-top: var(--spacing-sm);
}

.btn-loader {
    display: inline-flex;
}

.spinner {
    width: 20px;
    height: 20px;
    animation: spin 1s linear infinite;
}

.spinner-circle {
    stroke: currentColor;
    stroke-dasharray: 50;
    stroke-dashoffset: 25;
}

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

.success-icon {
    font-size: 4rem;
    margin-bottom: var(--spacing-md);
}

.success-title {
    font-size: 1.5rem;
    margin-bottom: var(--spacing-sm);
}

.success-text {
    color: var(--color-text-secondary);
    margin-bottom: var(--spacing-md);
}

.success-badge {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-xs);
    background: rgba(16, 185, 129, 0.1);
    border: 1px solid rgba(16, 185, 129, 0.3);
    padding: 0.5rem 1rem;
    border-radius: 2rem;
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--color-accent);
}

/* ==========================================
   TRUST SECTION
   ========================================== */

.trust {
    padding: var(--spacing-3xl) 0;
    background: linear-gradient(180deg, transparent 0%, rgba(30, 41, 59, 0.3) 100%);
}

.trust-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--spacing-lg);
}

@media (min-width: 640px) {
    .trust-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (min-width: 1024px) {
    .trust-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

.trust-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    padding: var(--spacing-lg);
    opacity: 0;
    transform: translateY(20px);
}

.trust-item.visible {
    opacity: 1;
    transform: translateY(0);
}

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

.trust-text {
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
}

.trust-text strong {
    font-size: 1.125rem;
    color: var(--color-text-primary);
    font-weight: 600;
}

.trust-text span {
    color: var(--color-text-secondary);
    font-size: 0.9rem;
}

/* ==========================================
   FOOTER
   ========================================== */

.footer {
    padding: var(--spacing-3xl) 0 var(--spacing-xl);
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-content {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xl);
    text-align: center;
}

@media (min-width: 768px) {
    .footer-content {
        flex-direction: row;
        justify-content: space-between;
        text-align: left;
    }
}

.footer-brand .logo-text {
    font-size: 1.5rem;
    display: block;
    margin-bottom: var(--spacing-sm);
}

.footer-tagline {
    color: var(--color-text-secondary);
    font-size: 0.95rem;
    max-width: 300px;
}

.footer-links {
    display: flex;
    gap: var(--spacing-3xl);
}

.footer-column {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

.footer-heading {
    font-size: 1rem;
    font-weight: 600;
    margin-bottom: var(--spacing-xs);
    color: var(--color-text-primary);
}

.footer-list {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xs);
}

.footer-list a {
    color: var(--color-text-secondary);
    text-decoration: none;
    font-size: 0.95rem;
    transition: color var(--transition-base);
}

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

.footer-bottom {
    margin-top: var(--spacing-xl);
    padding-top: var(--spacing-xl);
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    text-align: center;
}

.footer-disclaimer {
    font-size: 0.85rem;
    color: var(--color-text-muted);
    margin-bottom: var(--spacing-md);
    line-height: 1.6;
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
}

.footer-disclaimer strong {
    color: var(--color-text-secondary);
}

.footer-copyright {
    font-size: 0.85rem;
    color: var(--color-text-muted);
}

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

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

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

@keyframes float {

    0%,
    100% {
        transform: translateY(0);
    }

    50% {
        transform: translateY(-20px);
    }
}

@keyframes spin {
    to {
        transform: rotate(360deg);
    }
}

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

@media (max-width: 767px) {
    .hero-title {
        font-size: 2rem;
    }

    .section-title {
        font-size: 2rem;
    }

    .early-access-title {
        font-size: 2rem;
    }
}