:root {
    --primary: #ff6600;
    --primary-dark: #e55a00;
    --primary-light: #ff8833;
    --black: #0a0a0a;
    --white: #ffffff;
    --gray-50: #fafafa;
    --gray-100: #f5f5f5;
    --gray-200: #e5e5e5;
    --gray-300: #d4d4d4;
    --gray-600: #525252;
    --gray-800: #262626;
    --gradient-primary: linear-gradient(135deg, #ff6600 0%, #ff8833 100%);
    --gradient-dark: linear-gradient(135deg, #1a1a1a 0%, #0a0a0a 100%);
    --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, 0.1);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1);
    --shadow-2xl: 0 25px 50px -12px rgba(0, 0, 0, 0.25);
    --shadow-orange: 0 10px 40px rgba(255, 102, 0, 0.3);
}

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

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    background: var(--black);
    color: var(--white);
    line-height: 1.6;
    min-height: 100vh;
    overflow-x: hidden;
    position: relative;
}

/* Background Animation */
.background-animation {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 0;
    overflow: hidden;
    pointer-events: none;
}

.circle {
    position: absolute;
    border-radius: 50%;
    filter: blur(80px);
    opacity: 0.15;
    animation: float 20s infinite ease-in-out;
}

.circle-1 {
    width: 500px;
    height: 500px;
    background: var(--gradient-primary);
    top: -200px;
    right: -200px;
    animation-delay: 0s;
}

.circle-2 {
    width: 400px;
    height: 400px;
    background: var(--primary);
    bottom: -150px;
    left: -150px;
    animation-delay: 5s;
}

.circle-3 {
    width: 300px;
    height: 300px;
    background: var(--primary-light);
    top: 50%;
    left: 50%;
    animation-delay: 10s;
}

@keyframes float {
    0%, 100% { transform: translate(0, 0) scale(1); }
    33% { transform: translate(100px, -100px) scale(1.1); }
    66% { transform: translate(-100px, 100px) scale(0.9); }
}

/* Container */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 60px 20px;
    position: relative;
    z-index: 1;
}

/* AOS Animations */
[data-aos] {
    opacity: 0;
    transform: translateY(40px);
    transition: all 0.8s cubic-bezier(0.4, 0, 0.2, 1);
}

[data-aos].aos-animate {
    opacity: 1;
    transform: translateY(0);
}

/* Logo */
.logo {
    text-align: center;
    margin-bottom: 60px;
}

.logo img {
    width: 180px;
    height: auto;
    filter: drop-shadow(0 10px 30px rgba(255, 102, 0, 0.4));
    transition: transform 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

.logo img:hover {
    transform: scale(1.05) rotate(-2deg);
}

/* Hero Section */
.hero {
    text-align: center;
    margin-bottom: 100px;
}

h1 {
    font-size: clamp(2rem, 5vw, 4rem);
    font-weight: 900;
    line-height: 1.1;
    margin-bottom: 30px;
    letter-spacing: -0.03em;
}

.highlight {
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    position: relative;
    display: inline-block;
}

.highlight::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 0;
    right: 0;
    height: 4px;
    background: var(--gradient-primary);
    border-radius: 2px;
    animation: underline 2s ease-in-out infinite;
}

@keyframes underline {
    0%, 100% { transform: scaleX(0.8); opacity: 0.5; }
    50% { transform: scaleX(1); opacity: 1; }
}

.subtitle {
    font-size: clamp(1.1rem, 2vw, 1.4rem);
    color: var(--gray-300);
    max-width: 700px;
    margin: 0 auto;
    line-height: 1.8;
    font-weight: 400;
}

/* Info Section */
.info-section {
    margin-bottom: 80px;
}

.section-title {
    font-size: clamp(1.8rem, 3vw, 2.5rem);
    font-weight: 800;
    text-align: center;
    margin-bottom: 20px;
}

.section-subtitle {
    text-align: center;
    font-size: 1.2rem;
    color: var(--gray-300);
    margin-bottom: 50px;
}

/* Features Grid */
.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 24px;
    margin-top: 40px;
}

.feature-card {
    background: rgba(255, 255, 255, 0.03);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-radius: 20px;
    padding: 32px 24px;
    text-align: center;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    cursor: default;
}

.feature-card:hover {
    background: rgba(255, 255, 255, 0.06);
    border-color: var(--primary);
    transform: translateY(-8px);
    box-shadow: var(--shadow-orange);
}

.feature-icon {
    font-size: 3rem;
    margin-bottom: 16px;
    filter: grayscale(0.3);
    transition: all 0.4s ease;
}

.feature-card:hover .feature-icon {
    filter: grayscale(0);
    transform: scale(1.1) rotate(5deg);
}

.feature-card p {
    font-size: 1.05rem;
    color: var(--gray-200);
    line-height: 1.6;
}

/* Form Section */
.form-section {
    max-width: 650px;
    margin: 0 auto;
}

.form-container {
    background: rgba(255, 255, 255, 0.05);
    backdrop-filter: blur(20px);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 30px;
    padding: 50px 40px;
    box-shadow: var(--shadow-2xl);
}

.form-title {
    font-size: 2rem;
    font-weight: 700;
    text-align: center;
    margin-bottom: 12px;
}

.form-description {
    text-align: center;
    color: var(--gray-300);
    margin-bottom: 40px;
    font-size: 1.1rem;
}

.input-group {
    display: flex;
    flex-direction: column;
    gap: 16px;
    margin-bottom: 24px;
}

.input-group.focused input {
    border-color: var(--primary);
    box-shadow: 0 0 0 4px rgba(255, 102, 0, 0.1);
}

input[type="email"] {
    width: 100%;
    padding: 18px 24px;
    font-size: 1.1rem;
    background: rgba(255, 255, 255, 0.08);
    border: 2px solid rgba(255, 255, 255, 0.15);
    border-radius: 16px;
    color: var(--white);
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    font-family: inherit;
}

input[type="email"]::placeholder {
    color: var(--gray-600);
}

input[type="email"]:focus {
    outline: none;
    background: rgba(255, 255, 255, 0.12);
    border-color: var(--primary);
    box-shadow: 0 0 0 4px rgba(255, 102, 0, 0.1);
}

/* CTA Button */
.cta-button {
    width: 100%;
    background: var(--gradient-primary);
    color: var(--white);
    padding: 20px 40px;
    font-size: 1.15rem;
    font-weight: 700;
    border: none;
    border-radius: 16px;
    cursor: pointer;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 12px;
    position: relative;
    overflow: hidden;
    box-shadow: var(--shadow-orange);
}

.cta-button::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.3), transparent);
    transition: left 0.5s;
}

.cta-button:hover::before {
    left: 100%;
}

.cta-button:hover {
    transform: translateY(-2px);
    box-shadow: 0 15px 50px rgba(255, 102, 0, 0.4);
}

.cta-button:active {
    transform: translateY(0);
}

.cta-button:disabled {
    background: var(--gray-600);
    cursor: not-allowed;
    transform: none;
    box-shadow: none;
}

.cta-button.loading {
    pointer-events: none;
}

.arrow {
    transition: transform 0.3s ease;
}

.cta-button:hover .arrow {
    transform: translateX(4px);
}

/* Privacy Notice */
.privacy-notice {
    margin-top: 24px;
}

.checkbox-container {
    display: flex;
    align-items: flex-start;
    gap: 12px;
    cursor: pointer;
    position: relative;
}

.checkbox-container input[type="checkbox"] {
    appearance: none;
    width: 22px;
    height: 22px;
    border: 2px solid rgba(255, 255, 255, 0.3);
    border-radius: 6px;
    cursor: pointer;
    position: relative;
    flex-shrink: 0;
    margin-top: 2px;
    transition: all 0.3s ease;
}

.checkbox-container input[type="checkbox"]:checked {
    background: var(--gradient-primary);
    border-color: var(--primary);
}

.checkbox-container input[type="checkbox"]:checked::after {
    content: '✓';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    color: white;
    font-size: 14px;
    font-weight: bold;
}

.privacy-text {
    font-size: 0.95rem;
    color: var(--gray-300);
    line-height: 1.6;
}

.privacy-text a {
    color: var(--primary);
    text-decoration: none;
    border-bottom: 1px solid transparent;
    transition: border-color 0.3s ease;
}

.privacy-text a:hover {
    border-bottom-color: var(--primary);
}

/* Messages */
.message {
    margin-top: 24px;
    padding: 18px 24px;
    border-radius: 12px;
    font-weight: 500;
    text-align: center;
    animation: slideIn 0.4s ease;
    display: none;
}

@keyframes slideIn {
    from {
        opacity: 0;
        transform: translateY(-10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.message.success {
    background: rgba(34, 197, 94, 0.15);
    color: #86efac;
    border: 1px solid rgba(34, 197, 94, 0.3);
    display: block;
}

.message.error {
    background: rgba(239, 68, 68, 0.15);
    color: #fca5a5;
    border: 1px solid rgba(239, 68, 68, 0.3);
    display: block;
}

/* No Spam */
.no-spam {
    margin-top: 28px;
    text-align: center;
    font-size: 0.95rem;
    color: var(--gray-600);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
}

.no-spam svg {
    color: var(--primary);
}

/* Confetti Animation */
.confetti {
    position: fixed;
    width: 10px;
    height: 10px;
    top: -10px;
    z-index: 9999;
    animation: confettiFall 3s ease-out forwards;
}

@keyframes confettiFall {
    to {
        transform: translateY(100vh) rotate(720deg);
        opacity: 0;
    }
}

/* Responsive */
@media (max-width: 768px) {
    .container {
        padding: 40px 16px;
    }
    
    .logo img {
        width: 140px;
    }
    
    .hero {
        margin-bottom: 60px;
    }
    
    .features-grid {
        grid-template-columns: 1fr;
        gap: 16px;
    }
    
    .form-container {
        padding: 36px 24px;
        border-radius: 24px;
    }
    
    .circle {
        filter: blur(60px);
    }
}

@media (max-width: 480px) {
    .form-container {
        padding: 28px 20px;
    }
    
    input[type="email"] {
        padding: 16px 20px;
        font-size: 1rem;
    }
    
    .cta-button {
        padding: 18px 32px;
        font-size: 1rem;
    }
}

/* Smooth Scrolling */
html {
    scroll-behavior: smooth;
}

/* Selection */
::selection {
    background: var(--primary);
    color: var(--white);
}

::-webkit-scrollbar {
    width: 10px;
}

::-webkit-scrollbar-track {
    background: var(--black);
}

::-webkit-scrollbar-thumb {
    background: var(--primary);
    border-radius: 5px;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--primary-dark);
}