:root {
    --primary-color: #2563EB;
    /* Vibrant Royal Blue */
    --primary-dark: #1E40AF;
    --primary-glow: rgba(37, 99, 235, 0.5);
    --secondary-color: #0F172A;
    /* Deep Navy/Black */
    --text-main: #334155;
    --text-light: #64748B;
    --bg-surface: #ffffff;
    --bg-main: #F8FAFC;
    --accent-success: #10B981;
    --accent-error: #EF4444;

    --font-heading: 'Outfit', sans-serif;
    --font-body: 'Outfit', sans-serif;

    --radius-sm: 8px;
    --radius-md: 16px;
    --radius-lg: 24px;

    --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.05);
    --shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.1), 0 2px 4px -2px rgb(0 0 0 / 0.1);
    --shadow-lg: 0 20px 25px -5px rgb(0 0 0 / 0.1), 0 8px 10px -6px rgb(0 0 0 / 0.1);
    --shadow-glow: 0 0 20px var(--primary-glow);
}

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

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

h1,
h2,
h3 {
    font-family: var(--font-heading);
    color: var(--secondary-color);
    line-height: 1.2;
    letter-spacing: -0.025em;
}

.container {
    max-width: 900px;
    margin: 0 auto;
    padding: 0 1.5rem;
    position: relative;
    z-index: 2;
}

/* --- Utilities --- */
.text-center {
    text-align: center;
}

.fade-in-section {
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.8s ease-out, transform 0.8s ease-out;
    will-change: opacity, visibility;
}

.fade-in-section.is-visible {
    opacity: 1;
    transform: none;
}

/* --- Hero Section --- */
.hero-section {
    padding: 8rem 0 6rem;
    position: relative;
    overflow: hidden;
    text-align: center;
    background-color: #F8FAFC;
}

/* Animated Mesh Gradient Background */
.hero-section::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle at 50% 50%,
            rgba(37, 99, 235, 0.1) 0%,
            rgba(96, 165, 250, 0.1) 25%,
            rgba(255, 255, 255, 0) 50%);
    animation: rotateBackground 20s linear infinite;
    z-index: 1;
}

.hero-section::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image:
        linear-gradient(rgba(15, 23, 42, 0.03) 1px, transparent 1px),
        linear-gradient(90deg, rgba(15, 23, 42, 0.03) 1px, transparent 1px);
    background-size: 40px 40px;
    /* Tech Grid Pattern */
    z-index: 0;
    mask-image: linear-gradient(to bottom, black 40%, transparent 100%);
    -webkit-mask-image: linear-gradient(to bottom, black 40%, transparent 100%);
}

@keyframes rotateBackground {
    0% {
        transform: rotate(0deg);
    }

    100% {
        transform: rotate(360deg);
    }
}

.logo-container {
    margin-bottom: 2.5rem;
    position: relative;
    z-index: 2;
}

.logo {
    height: 150px;
    width: auto;
    filter: drop-shadow(0 4px 6px rgba(0, 0, 0, 0.05));
    transition: transform 0.3s ease;
}

.logo:hover {
    transform: scale(1.05);
    /* Interactive micro-animation */
}

h1 {
    font-size: 3.5rem;
    margin-bottom: 1.5rem;
    background: linear-gradient(to right, #0F172A 20%, #2563EB 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    /* Standard property */
    background-clip: text;
    /* Standard property */
    position: relative;
    z-index: 2;
}

.subheadline {
    font-size: 1.35rem;
    color: var(--text-light);
    margin-bottom: 3rem;
    max-width: 650px;
    margin-left: auto;
    margin-right: auto;
    font-weight: 400;
}

.reassurance {
    font-size: 0.95rem;
    color: var(--text-light);
    margin-top: 1rem;
    font-weight: 500;
    opacity: 0.8;
}

/* --- Buttons --- */
.cta-button {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    background: var(--primary-color);
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-dark) 100%);
    color: white;
    font-weight: 600;
    padding: 1.1rem 2.5rem;
    border-radius: 100px;
    text-decoration: none;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    box-shadow: 0 4px 12px rgba(37, 99, 235, 0.3);
    font-size: 1.125rem;
    position: relative;
    overflow: hidden;
}

.cta-button:hover {
    transform: translateY(-2px) scale(1.02);
    box-shadow: 0 8px 20px rgba(37, 99, 235, 0.4);
}

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

/* --- Cards / Sections --- */
section {
    padding: 5rem 0;
}

/* Problem Section */
.problem-section {
    background-color: #FFF5F5;
    position: relative;
}

.section-title {
    font-size: 2.25rem;
    text-align: center;
    margin-bottom: 3rem;
}

.problem-list {
    list-style: none;
    max-width: 600px;
    margin: 0 auto;
    display: grid;
    gap: 1rem;
}

.problem-list li {
    background: white;
    padding: 1.25rem 1.5rem;
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-sm);
    display: flex;
    align-items: center;
    font-weight: 500;
    color: #991B1B;
    border-left: 4px solid #F87171;
    transition: transform 0.2s;
}

.problem-list li:hover {
    transform: translateX(5px);
}

.problem-list .icon {
    font-size: 1.2rem;
    margin-right: 1rem;
    filter: grayscale(0.2);
}

/* Solution Section */
.solution-section {
    background-color: white;
    position: relative;
}

.solution-list {
    list-style: none;
    max-width: 600px;
    margin: 0 auto;
    display: grid;
    gap: 1rem;
}

.solution-list li {
    background: #F0FDF4;
    padding: 1.25rem 1.5rem;
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    font-weight: 600;
    color: #065F46;
    border: 1px solid #DCFCE7;
    transition: transform 0.2s;
}

.solution-list li:hover {
    transform: scale(1.01);
    box-shadow: var(--shadow-sm);
}

/* Why Us */
.why-us-section {
    background-color: var(--bg-main);
}

.differentiators-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1.5rem;
    margin-top: 2rem;
}

.diff-item {
    background: white;
    padding: 2rem;
    border-radius: var(--radius-lg);
    text-align: center;
    font-weight: 700;
    color: var(--secondary-color);
    box-shadow: var(--shadow-sm);
    border: 1px solid rgba(226, 232, 240, 0.8);
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    justify-content: center;
}

.diff-item:hover {
    box-shadow: var(--shadow-md);
    border-color: var(--primary-color);
    transform: translateY(-3px);
    color: var(--primary-color);
}

/* Pricing Section */
.pricing-section {
    padding: 6rem 0;
    background: linear-gradient(180deg, var(--bg-main) 0%, #EBF3FF 100%);
}

.pricing-card {
    background: rgba(255, 255, 255, 0.9);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    /* Safari support */
    padding: 4rem 3rem;
    border-radius: 30px;
    box-shadow: var(--shadow-lg);
    border: 1px solid rgba(255, 255, 255, 0.5);
    max-width: 550px;
    margin: 0 auto;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.pricing-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 6px;
    background: linear-gradient(90deg, var(--primary-color), #60A5FA);
}

.pricing-card h2 {
    font-size: 3.5rem;
    color: var(--secondary-color);
    margin-bottom: 0.5rem;
    letter-spacing: -2px;
}

.price-sub {
    color: var(--primary-color);
    font-weight: 600;
    margin-bottom: 2.5rem;
    font-size: 0.9rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.terms-list {
    list-style: none;
    margin-bottom: 3rem;
    text-align: left;
    display: inline-block;
    width: 100%;
}

.terms-list li {
    margin-bottom: 1rem;
    font-size: 1.15rem;
    color: var(--text-main);
    display: flex;
    align-items: center;
    padding-bottom: 0.75rem;
    border-bottom: 1px solid #F1F5F9;
}

.terms-list li:last-child {
    border-bottom: none;
}

.tick {
    color: white;
    background: var(--accent-success);
    border-radius: 50%;
    width: 24px;
    height: 24px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-size: 0.8rem;
    margin-right: 1rem;
    flex-shrink: 0;
}

.final-cta {
    width: 100%;
}

/* --- Footer --- */
.site-footer {
    padding: 4rem 0;
    background-color: var(--secondary-color);
    color: #94A3B8;
    text-align: center;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-logo {
    height: 40px;
    width: auto;
    margin-bottom: 2rem;
    filter: brightness(0) invert(1);
    opacity: 0.9;
}

.contact-info p {
    margin-bottom: 0.75rem;
    font-size: 1.05rem;
}

.contact-info a {
    color: white;
    text-decoration: none;
    border-bottom: 1px solid rgba(255, 255, 255, 0.2);
    padding-bottom: 2px;
    transition: all 0.2s;
}

.contact-info a:hover {
    border-color: white;
}

.copyright {
    margin-top: 3rem;
    font-size: 0.85rem;
    color: #64748B;
}

/* --- Mobile Sticky CTA --- */
.sticky-cta-mobile {
    display: none;
    position: fixed;
    bottom: 20px;
    left: 20px;
    right: 20px;
    width: auto;
    background: rgba(255, 255, 255, 0.9);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    padding: 0.5rem;
    border-radius: 20px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.15);
    z-index: 1000;
    animation: slideUp 0.5s ease-out;
    border: 1px solid rgba(255, 255, 255, 0.5);
}

@keyframes slideUp {
    from {
        transform: translateY(100px);
        opacity: 0;
    }

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

.sticky-btn {
    width: 100%;
    padding: 1rem;
    font-size: 1rem;
    box-shadow: none;
}

/* --- Media Queries --- */
@media (max-width: 768px) {
    h1 {
        font-size: 2.5rem;
    }

    .hero-section {
        padding-top: 4rem;
    }

    .differentiators-grid {
        grid-template-columns: 1fr;
    }

    .sticky-cta-mobile {
        display: block;
    }

    .site-footer {
        padding-bottom: 7rem;
    }

    .problem-list,
    .solution-list {
        padding-left: 0;
    }
}

/* --- Anti-Copy Utilities --- */
.no-select {
    -webkit-user-select: none;
    -moz-user-select: none;
    -ms-user-select: none;
    user-select: none;
}