/* ==========================================================================
   QuantumSure - Professional Dark Mode SaaS Style
   ========================================================================== */

@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&family=Orbitron:wght@500;700;900&display=swap');

:root {
    --bg-primary: #0a0a0f;
    --bg-secondary: #050511;
    --bg-card: linear-gradient(90deg, black, #050511);
    --accent: #ff5588;
    --accent-dark: #00cc66;
    --text-primary: #e0e0ff;
    --dark-pink: #e75460;
    --deep-orange: #ffa500;
    --text-secondary: #c0c0ff;
    --border: rgba(255, 0, 136, 0.22);
    --glow: 0 0 24px rgba(255, 0, 136, 0.35);
    --glow-strong: 0 0 40px rgba(255, 0, 136, 0.55);
}

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

body {
    background: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.6;
    font-family: 'Inter', system-ui, -apple-system, sans-serif;
    min-height: 100vh;
}

/* Navigation */
header {
    background: black;
    position: fixed;
    width: 100%;
    top: 0;
    z-index: 1000;
    backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--border);
    box-shadow: 0 4px 30px rgba(0,0,0,0.5);
}

nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1.2rem 5%;
    max-width: 1400px;
    margin: 0 auto;
}

.logo {
    font-size: 1.9rem;
    font-weight: 900;
    background: linear-gradient(90deg, var(--deep-orange), var(--dark-pink), var(--deep-orange));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    letter-spacing: 1.5px;
}

nav ul {
    display: flex;
    list-style: none;
    align-items: center;
    gap: 2.2rem;
}

nav ul li a {
    color: var(--dark-pink);
    text-decoration: none;
    font-weight: 500;
    position: relative;
    transition: color 0.3s;
}

nav ul li a::after {
    content: '';
    position: absolute;
    width: 0;
    height: 2px;
    bottom: -6px;
    left: 0;
    background: var(--deep-orange);
    transition: width 0.35s ease;
}

nav ul li a:hover::after,
nav ul li a.active::after {
    width: 100%;
}

nav ul li a:hover,
nav ul li a.active {
    color: var(--deep-orange);
}

.btn {
    background: linear-gradient(90deg, var(--deep-orange), var(--dark-pink), var(--deep-orange));
    color: #111111;
    padding: 0.65rem 1.6rem;
    border-radius: 50px;
    font-weight: 600;
    text-decoration: none;
    transition: all 0.4s ease;
    box-shadow: var(--glow);
}

.btn:hover {
    transform: translateY(-3px);
    box-shadow: var(--glow-strong);
    background: linear-gradient(90deg, var(--dark-pink), var(--deep-orange), var(--dark-pink));
    color: #111111 !important;
    cursor: pointer;
}

/* Mobile Menu */
.menu-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    cursor: pointer;
}

.menu-toggle span {
    width: 28px;
    height: 3px;
    background: white;
    border-radius: 2px;
    transition: all 0.3s;
}

@media (max-width: 768px) {
    .menu-toggle { display: flex; }
    nav ul.nav-center {
        display: none;
        flex-direction: column;
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background: rgba(17, 17, 34, 0.98);
        backdrop-filter: blur(10px);
        padding: 1.5rem;
        border-top: 1px solid var(--border);
    }
    nav ul.nav-center.nav-active { display: flex; }
    nav ul li { margin: 1rem 0; text-align: center; }
}



/* Hero */
.hero {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    text-align: center;
    padding: 0 6% 4rem;
    padding-top: 7rem;
    position: relative;
    background: linear-gradient(135deg, black 0%, #050511 100%);
}

.hero h1 {
    font-family: 'Orbitron', monospace;
    font-size: clamp(2.5rem, 6vw, 4.5rem);
    margin-bottom: 1.5rem;
    background: linear-gradient(90deg, var(--deep-orange), var(--dark-pink), var(--deep-orange));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    line-height: 1.1;
}

.hero p {
    font-size: 1.3rem;
    max-width: 720px;
    color: var(--text-secondary);
    margin-bottom: 2.5rem;
}

.heronote {
    background: linear-gradient(90deg, var(--deep-orange), var(--dark-pink), var(--deep-orange));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    font-size: clamp(1.15rem, 1.5vw, 1.4rem);
}

.hero-buttons {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
    gap: 12px;
    max-width: 520px;
    margin: 0 auto;
    width: 100%;
}

/* Features */
.features {
    padding: 8rem 6% 6rem;
    text-align: center;
    background: #050505;
}

.features h2 {
    font-family: 'Orbitron', monospace;
    font-size: 3rem;
    color: var(--accent);
    margin-bottom: 4rem;
}

.feature-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2.5rem;
    max-width: 1200px;
    margin: 0 auto;
}

.feature-card {
    background: var(--bg-card);
    backdrop-filter: blur(10px);
    border: 1px solid var(--border);
    border-radius: 16px;
    padding: 2.5rem 2rem;
    transition: all 0.4s ease;
}

.feature-card:hover {
    transform: translateY(-12px);
    box-shadow: var(--glow);
    border-color: var(--accent);
}

.feature-card h3 {
    font-size: 1.6rem;
    margin-bottom: 1.2rem;
    color: var(--accent);
}

/* Content / Forms (Actions page) */
.content-wrapper {
    padding: 6rem 6% 4rem;
}

.content2, .content3 {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 16px;
    padding: 2.5rem;
    margin: 2rem auto;
    max-width: 900px;
    box-shadow: 0 10px 40px rgba(0,0,0,0.35);
}

.content2 h2, .content3 h2 {
    font-family: 'Orbitron', monospace;
    color: var(--accent);
    margin-bottom: 1.8rem;
}

.content2 h3 {
    color: #a0e0ff;
    margin: 2rem 0 1rem;
}

.content2 input,
.content2 button,
.content3 input,
.content3 button {
    width: 100%;
    padding: 1rem 1.2rem;
    margin: 0.9rem 0;
    border-radius: 10px;
    border: 1px solid var(--border);
    background: rgba(255,255,255,0.04);
    color: var(--text-primary);
    font-size: 1rem;
    transition: all 0.3s ease;
}

.content2 input:focus,
.content3 input:focus {
    outline: none;
    border-color: var(--accent);
    box-shadow: 0 0 0 4px rgba(0,255,136,0.12);
}

.content2 button,
.content3 button {
    background: var(--accent);
    color: #0a0a1a;
    font-weight: 600;
    cursor: pointer;
    border: none;
}

.content2 button:hover,
.content3 button:hover {
    background: var(--accent-dark);
    transform: translateY(-2px);
    box-shadow: var(--glow);
}

/* FAQ-style headers */
.faq-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    background: rgba(0, 255, 136, 0.08);
    padding: 1.3rem 1.8rem;
    border-radius: 12px;
    cursor: pointer;
    transition: all 0.3s;
    margin-bottom: 1.2rem;
}

.faq-header:hover {
    background: rgba(0, 255, 136, 0.14);
}

.faq-title {
    font-family: 'Orbitron', monospace;
    font-size: 1.45rem;
    color: #e0ffe0;
}

.faq-toggle {
    background: rgba(0, 255, 136, 0.2);
    color: var(--accent);
    width: 42px;
    height: 42px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    font-weight: bold;
    transition: all 0.3s;
}

.faq-toggle:hover {
    background: var(--accent);
    color: #0a0a1a;
}

/* Output area */
.op {
    background: rgba(0, 255, 136, 0.07);
    border: 1px solid rgba(0, 255, 136, 0.35);
    border-radius: 12px;
    padding: 1.8rem;
    margin: 2.5rem auto;
    max-width: 900px;
    white-space: pre-wrap;
    color: #e0ffe0;
    font-family: 'Courier New', monospace;
}

/* Modal */
.modal {
    display: none;
    position: fixed;
    inset: 0;
    background: rgba(0,0,0,0.7);
    backdrop-filter: blur(6px);
    z-index: 2000;
    justify-content: center;
    align-items: center;
}

.modal-content {
    background: #111122;
    border: 1px solid var(--border);
    border-radius: 16px;
    padding: 2.5rem;
    width: 420px;
    max-width: 92%;
    box-shadow: var(--glow-strong);
}

.modal-content h2 {
    color: var(--accent);
    margin-bottom: 1.8rem;
}

.close {
    float: right;
    font-size: 2rem;
    cursor: pointer;
    color: #aaa;
}

.close:hover { color: white; }

/* Footer */
footer {
    background: #0a0a0f;
    text-align: center;
    padding: 3rem 5%;
    border-top: 1px solid var(--border);
    color: #8899aa;
    font-size: 0.95rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

/* Responsive tweaks */
@media (max-width: 768px) {
    .hero { padding-top: 5rem; }
    .hero h1 { font-size: clamp(2.2rem, 8vw, 3.8rem); }
    .hero p { font-size: 1.1rem; }
    .features { padding: 6rem 5% 4rem; }
    .features h2 { font-size: 2.5rem; }
    .content-wrapper { padding: 5rem 5% 3rem; }
}