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

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Roboto', 'Oxygen', 'Ubuntu', 'Cantarell', sans-serif;
    background: #0a0a0a;
    color: #ffffff;
    line-height: 1.6;
    overflow-x: hidden;
}

.container {
    max-width: 1200px;
    margin: auto;
    padding: 0 clamp(1rem, 5vw, 2rem);
}

/* Header & Navigation */
header {
    padding: clamp(1.5rem, 3vh, 2rem) 0;
    border-bottom: 1px solid #1a1a1a;
}

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

.logo {
    max-height: clamp(2rem, 10vw, 3rem);
    width: auto;
    filter: invert(1);
    display: block;
}

nav {
    display: flex;
    gap: clamp(1.5rem, 3vw, 2rem);
}

nav a {
    color: #999999;
    text-decoration: none;
    font-size: clamp(0.9375rem, 2vw, 1rem);
    transition: color 0.3s ease;
}

nav a:hover,
nav a.active {
    color: #ffffff;
}

/* Hero Section */
.hero {
    min-height: clamp(600px, 85vh, 900px);
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    padding: clamp(2rem, 8vh, 4rem) 0;
}

.hero-content {
    max-width: 800px;
    width: 100%;
}

.product-name {
    font-size: clamp(2.5rem, 10vw, 5rem);
    font-weight: 700;
    letter-spacing: -0.02em;
    margin-bottom: clamp(1rem, 3vh, 1.5rem);
    background: linear-gradient(135deg, #ffffff 0%, #ffffff 75%, #666666 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.tagline {
    font-size: clamp(1.25rem, 4vw, 2rem);
    font-weight: 300;
    letter-spacing: 0.02em;
    color: #999999;
    margin-bottom: clamp(2rem, 5vh, 3rem);
}

.description {
    font-size: clamp(1rem, 2vw, 1.125rem);
    color: #666666;
    max-width: 600px;
    margin: 0 auto clamp(2rem, 5vh, 3rem);
    line-height: 1.8;
}

/* Content Section */
.content {
    min-height: 50vh;
    padding: clamp(3rem, 8vh, 6rem) 0;
}

.content-wrapper {
    max-width: 800px;
    margin: 0 auto;
}

.content h1 {
    font-size: clamp(2rem, 6vw, 3rem);
    font-weight: 700;
    margin-bottom: clamp(1.5rem, 4vh, 2rem);
    letter-spacing: -0.02em;
}

.content h2 {
    font-size: clamp(1.5rem, 4vw, 2rem);
    font-weight: 600;
    margin-top: clamp(2rem, 5vh, 3rem);
    margin-bottom: clamp(1rem, 2vh, 1.5rem);
    color: #cccccc;
}

.content p {
    font-size: clamp(1rem, 2vw, 1.125rem);
    color: #999999;
    line-height: 1.8;
    margin-bottom: 1.5rem;
}

.content ul {
    list-style: none;
    margin: clamp(1.5rem, 3vh, 2rem) 0;
}

.content li {
    font-size: clamp(1rem, 2vw, 1.125rem);
    color: #999999;
    line-height: 1.8;
    margin-bottom: 1.25rem;
    padding-left: 2rem;
    position: relative;
}

.content li:before {
    font-family: "Font Awesome 6 Free";
    font-weight: 900;
    position: absolute;
    left: 0;
    color: #666666;
}

.content li[data-icon="arrows-rotate"]:before {
    content: "\f0e2";
}

.content li[data-icon="location-dot"]:before {
    content: "\f3c5";
}

.content li[data-icon="users"]:before {
    content: "\f0c0";
}

.content li[data-icon="chart-line"]:before {
    content: "\f201";
}

/* Buttons */
.cta {
    display: inline-block;
    padding: clamp(0.875rem, 2vh, 1rem) clamp(2rem, 4vw, 2.5rem);
    background: #ffffff;
    color: #0a0a0a;
    text-decoration: none;
    font-weight: 500;
    font-size: clamp(0.9375rem, 2vw, 1rem);
    letter-spacing: 0.02em;
    transition: all 0.3s ease;
    border: 2px solid #ffffff;
    min-height: 44px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
}

.cta:hover {
    background: transparent;
    color: #ffffff;
}

/* Customers Section */
.customers {
    padding: clamp(3rem, 6vh, 5rem) 0;
    text-align: center;
    border-top: 1px solid #1a1a1a;
}

.customers-label {
    font-size: clamp(0.75rem, 1.5vw, 0.875rem);
    text-transform: uppercase;
    letter-spacing: 0.15em;
    color: #666666;
    margin-bottom: clamp(1.5rem, 3vh, 2rem);
}

.customer-logos {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: clamp(2rem, 5vw, 4rem);
    flex-wrap: wrap;
}

.customer-logo {
    opacity: 0.7;
    transition: opacity 0.3s ease;
}

.customer-logo:hover {
    opacity: 1;
}

.customer-logo img {
    height: auto;
    width: clamp(120px, 20vw, 180px);
    max-width: 100%;
}

/* Footer */
footer {
    text-align: center;
    padding: clamp(2rem, 5vh, 3rem) 0;
    border-top: 1px solid #1a1a1a;
    color: #666666;
    font-size: clamp(0.8125rem, 1.5vw, 0.875rem);
}

/* Tablet optimization */
@media (min-width: 768px) and (max-width: 1024px) {
    .hero {
        min-height: 75vh;
    }
}

/* Mobile optimization */
@media (max-width: 767px) {
    .hero {
        min-height: 70vh;
    }

    .description {
        padding: 0 1rem;
    }

    nav {
        gap: 1rem;
    }

    nav a {
        font-size: 0.875rem;
    }
}

/* Small mobile */
@media (max-width: 480px) {
    .product-name {
        letter-spacing: -0.03em;
    }

    .hero {
        min-height: 65vh;
    }
}

/* Large desktop */
@media (min-width: 1400px) {
    .hero {
        min-height: 80vh;
    }
}

/* Animations */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.fade-in-up {
    opacity: 0;
    animation: fadeInUp 0.8s ease-out forwards;
}

/* Staggered animation delays for multiple elements */
.fade-in-up:nth-child(1) { animation-delay: 0.1s; }
.fade-in-up:nth-child(2) { animation-delay: 0.2s; }
.fade-in-up:nth-child(3) { animation-delay: 0.3s; }
.fade-in-up:nth-child(4) { animation-delay: 0.4s; }
.fade-in-up:nth-child(5) { animation-delay: 0.5s; }

/* Reduced motion preference */
@media (prefers-reduced-motion: reduce) {
    .fade-in-up {
        animation: none;
        opacity: 1;
        transform: none;
    }
}
