:root {
    --bg-color: #0b0b14;
    --card-bg: #161625;
    --primary-gradient: linear-gradient(90deg, #8a4fff, #ff4eb8);
    --text-main: #ffffff;
    --text-dim: #a0a0b8;
    --border-color: #2e2e45;
}

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

body {
    font-family: 'Inter', sans-serif;
    background-color: var(--bg-color);
    color: var(--text-main);
    line-height: 1.6;
    overflow-x: hidden;
}

.container {
    max-width: 1100px;
    margin: 0 auto;
    padding: 0 20px;
}

/* Navigation */
nav {
    height: 80px;
    display: flex;
    align-items: center;
    border-bottom: 1px solid var(--border-color);
}

.nav-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    width: 100%;
}

.logo img {
    height: 75px;
    width: auto;
}

.hamburger {
    display: none;
    flex-direction: column;
    justify-content: center;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 5px;
}

.hamburger span {
    display: block;
    width: 25px;
    height: 2px;
    background: var(--text-main);
    transition: 0.3s;
}

.hamburger.active span:nth-child(1) {
    transform: rotate(45deg) translate(5px, 5px);
}

.hamburger.active span:nth-child(2) {
    opacity: 0;
}

.hamburger.active span:nth-child(3) {
    transform: rotate(-45deg) translate(5px, -5px);
}

.nav-links {
    display: flex;
    list-style: none;
    gap: 30px;
    align-items: center;
}

.nav-links a {
    text-decoration: none;
    color: var(--text-dim);
    transition: 0.3s;
    font-size: 0.9rem;
}

.nav-links a:hover {
    color: white;
}

/* Buttons */
.btn-primary {
    background: var(--primary-gradient);
    color: white !important;
    padding: 10px 20px;
    border-radius: 50px;
    font-weight: 600;
    text-decoration: none;
    border: none;
    cursor: pointer;
    font-size: 1rem;
    font-family: inherit;
}

.btn-primary:disabled {
    opacity: 0.6;
    cursor: not-allowed;
}

.btn-outline {
    border: 1px solid var(--border-color);
    color: white;
    padding: 12px 25px;
    border-radius: 50px;
    text-decoration: none;
}

/* Hero Section */
.hero {
    padding: 100px 0;
    text-align: center;
}

.hero h1 {
    font-size: 3.5rem;
    margin-bottom: 20px;
    font-weight: 700;
}

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

.hero p {
    font-size: 1.2rem;
    color: var(--text-dim);
    max-width: 600px;
    margin: 0 auto 40px;
}

.hero-btns {
    display: flex;
    justify-content: center;
    gap: 20px;
}

/* Features */
.grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
    margin-bottom: 80px;
}

.card {
    background: var(--card-bg);
    padding: 40px;
    border-radius: 20px;
    border: 1px solid var(--border-color);
    transition: transform 0.3s;
}

.card:hover {
    transform: translateY(-10px);
}

.card .icon {
    font-size: 2rem;
    margin-bottom: 20px;
}

/* Signup Section */
.signup-section {
    padding: 80px 0;
}

.signup-box {
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: 30px;
    padding: 60px;
    text-align: center;
}

.signup-box h2 {
    font-size: 2rem;
    margin-bottom: 15px;
}

.signup-box > p {
    color: var(--text-dim);
    margin-bottom: 30px;
    font-size: 1.1rem;
}

.signup-form .form-row {
    display: flex;
    justify-content: center;
    gap: 12px;
    max-width: 500px;
    margin: 0 auto;
}

.signup-form input[type="email"] {
    flex: 1;
    padding: 14px 20px;
    border-radius: 50px;
    border: 1px solid var(--border-color);
    background: var(--bg-color);
    color: var(--text-main);
    font-size: 1rem;
    font-family: inherit;
    outline: none;
    transition: border-color 0.3s;
}

.signup-form input[type="email"]:focus {
    border-color: #8a4fff;
}

.signup-form input[type="email"]::placeholder {
    color: var(--text-dim);
}

.form-message {
    margin-top: 15px;
    font-size: 0.95rem;
    min-height: 1.4em;
}

.form-message.success {
    color: #4eff8a;
}

.form-message.error {
    color: #ff4e6a;
}

/* Compliance Box */
.compliance-box .box {
    background: linear-gradient(rgba(138, 79, 255, 0.1), rgba(255, 78, 184, 0.1));
    border: 1px solid #8a4fff55;
    padding: 50px;
    border-radius: 30px;
    text-align: center;
}

/* Footer */
footer {
    margin-top: 100px;
    padding: 50px 0;
    border-top: 1px solid var(--border-color);
}

.footer-grid {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.footer-logo {
    height: 60px;
    width: auto;
    margin-bottom: 10px;
}

.footer-links a {
    margin-left: 20px;
    color: var(--text-dim);
    text-decoration: none;
    font-size: 0.85rem;
}

/* ==================== */
/* Responsive - Tablet  */
/* ==================== */
@media (max-width: 768px) {
    nav {
        height: auto;
        padding: 15px 0;
    }

    .nav-container {
        flex-wrap: wrap;
    }

    .hamburger {
        display: flex;
    }

    .nav-links {
        display: none;
        flex-direction: column;
        width: 100%;
        gap: 0;
        padding-top: 15px;
    }

    .nav-links.active {
        display: flex;
    }

    .nav-links li {
        width: 100%;
        text-align: center;
        padding: 12px 0;
        border-top: 1px solid var(--border-color);
    }

    .logo img {
        height: 50px;
    }

    .hero {
        padding: 60px 0;
    }

    .hero h1 {
        font-size: 2.2rem;
    }

    .hero p {
        font-size: 1rem;
    }

    .hero-btns {
        flex-direction: column;
        align-items: center;
        gap: 15px;
    }

    .grid {
        grid-template-columns: 1fr;
        margin-bottom: 40px;
    }

    .card {
        padding: 30px;
    }

    .signup-section {
        padding: 50px 0;
    }

    .signup-box {
        padding: 35px 25px;
        border-radius: 20px;
    }

    .signup-box h2 {
        font-size: 1.6rem;
    }

    .signup-form .form-row {
        flex-direction: column;
        gap: 10px;
    }

    .signup-form input[type="email"] {
        width: 100%;
    }

    .compliance-box .box {
        padding: 30px 20px;
        border-radius: 20px;
    }

    footer {
        margin-top: 50px;
    }

    .footer-grid {
        flex-direction: column;
        text-align: center;
        gap: 25px;
    }

    .footer-links {
        display: flex;
        flex-wrap: wrap;
        justify-content: center;
        gap: 10px;
    }

    .footer-links a {
        margin-left: 0;
        margin: 0 10px;
    }
}

/* ==================== */
/* Responsive - Mobile  */
/* ==================== */
@media (max-width: 480px) {
    .hero h1 {
        font-size: 1.8rem;
    }

    .hero p {
        font-size: 0.95rem;
        margin-bottom: 25px;
    }

    .signup-box {
        padding: 25px 15px;
    }

    .signup-box h2 {
        font-size: 1.4rem;
    }

    .signup-box > p {
        font-size: 0.95rem;
    }

    .compliance-box .box {
        padding: 25px 15px;
    }

    .footer-logo {
        height: 40px;
    }
}