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

:root {
    /* Color Palette */
    --color-primary: #0f172a;
    /* Deep Navy */
    --color-primary-light: #1e293b;
    /* Lighter Navy */
    --color-secondary: #334155;
    /* Slate */
    --color-accent: #cca43b;
    /* Muted Gold */
    --color-accent-hover: #eebb55;
    --color-success: #10b981;
    --color-bg: #f8fafc;
    --color-white: #ffffff;
    --color-text-main: #1e293b;
    --color-text-muted: #64748b;

    /* Spacing */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 2rem;
    --spacing-lg: 4rem;
    --spacing-xl: 8rem;

    /* Border Radius */
    --radius-sm: 4px;
    --radius-md: 8px;
    --radius-lg: 16px;
    --radius-full: 9999px;

    /* Shadows */
    --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 10px 15px -3px rgb(0 0 0 / 0.1), 0 4px 6px -4px rgb(0 0 0 / 0.1);

    /* Transitions */
    --transition-base: all 0.3s ease;
}

/* Global Reset */
*,
*::before,
*::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

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

a {
    text-decoration: none;
    color: inherit;
    transition: var(--transition-base);
}

ul {
    list-style: none;
}

img {
    max-width: 100%;
    display: block;
}

/* Utilities */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-sm);
}

.flex {
    display: flex;
}

.items-center {
    align-items: center;
}

.justify-between {
    justify-content: space-between;
}

.grid {
    display: grid;
}

.hidden {
    display: none;
}

.section-padding {
    padding: var(--spacing-lg) 0;
}

.text-center {
    text-align: center;
}

/* Typography */
h1,
h2,
h3,
h4,
h5,
h6 {
    color: var(--color-primary);
    line-height: 1.2;
    margin-bottom: var(--spacing-sm);
}

h1 {
    font-size: 3.5rem;
    font-weight: 700;
    letter-spacing: -0.02em;
}

h2 {
    font-size: 2.5rem;
    font-weight: 600;
    letter-spacing: -0.01em;
}

h3 {
    font-size: 1.75rem;
    font-weight: 600;
}

p {
    margin-bottom: var(--spacing-sm);
    color: var(--color-text-muted);
}

/* Buttons */
.btn {
    display: inline-block;
    padding: 0.75rem 1.5rem;
    border-radius: var(--radius-md);
    font-weight: 600;
    cursor: pointer;
    border: none;
    transition: var(--transition-base);
}

.btn-primary {
    background-color: var(--color-primary);
    color: var(--color-white);
}

.btn-primary:hover {
    background-color: var(--color-primary-light);
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.btn-accent {
    background-color: var(--color-accent);
    color: var(--color-primary);
}

.btn-accent:hover {
    background-color: var(--color-accent-hover);
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.btn-outline {
    background-color: transparent;
    border: 2px solid var(--color-primary);
    color: var(--color-primary);
}

.btn-outline:hover {
    background-color: var(--color-primary);
    color: var(--color-white);
}

/* Glassmorphism Card */
.card {
    background: rgba(255, 255, 255, 0.7);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.3);
    border-radius: var(--radius-lg);
    padding: var(--spacing-md);
    box-shadow: var(--shadow-sm);
    transition: var(--transition-base);
}

.card:hover {
    box-shadow: var(--shadow-lg);
    transform: translateY(-5px);
}

/* Header & Nav */
.header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    padding: var(--spacing-sm) 0;
    transition: var(--transition-base);
}

.header-scrolled {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    box-shadow: var(--shadow-sm);
    padding: var(--spacing-xs) 0;
}

.logo {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--color-primary);
}

.dot {
    color: var(--color-accent);
}

.nav-links ul {
    gap: var(--spacing-md);
    display: flex;
    align-items: center;
}

.nav-links a {
    font-weight: 500;
    font-size: 0.95rem;
}

.nav-links a:hover {
    color: var(--color-primary);
}

.menu-btn {
    display: none;
    background: none;
    border: none;
    cursor: pointer;
}

.menu-btn span {
    display: block;
    width: 25px;
    height: 2px;
    background: var(--color-primary);
    margin: 5px 0;
    transition: 0.3s;
}

/* Hero Section */
.hero {
    min-height: 90vh;
    padding-top: 80px;
    position: relative;
    overflow: hidden;
    background: radial-gradient(circle at top right, #f1f5f9, transparent),
        radial-gradient(circle at bottom left, #e2e8f0, transparent);
    justify-content: center;
}

.hero-subtitle {
    font-size: 1.25rem;
    max-width: 600px;
    margin: 0 auto 2rem;
}

.stat {
    text-align: center;
}

.stat-number {
    display: block;
    font-size: 2rem;
    font-weight: 700;
    color: var(--color-primary);
}

.stat-label {
    font-size: 0.875rem;
    color: var(--color-text-muted);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

/* Features & Grid */
.features-grid,
.industries-grid {
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-md);
    margin-top: var(--spacing-lg);
}

.icon-box {
    width: 48px;
    height: 48px;
    background: var(--color-primary);
    color: var(--color-accent);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: var(--spacing-sm);
}

.industry-item {
    background: var(--color-white);
    padding: var(--spacing-md);
    border-radius: var(--radius-lg);
    border: 1px solid #e2e8f0;
    text-align: center;
    transition: var(--transition-base);
}

.industry-item:hover {
    transform: translateY(-5px);
    border-color: var(--color-accent);
}

/* Footer */
.footer {
    background: var(--color-primary);
    color: var(--color-bg);
    padding: var(--spacing-lg) 0 var(--spacing-md);
}

.footer-grid {
    grid-template-columns: 1.5fr 1fr 1fr;
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-lg);
}

.footer h4 {
    color: var(--color-white);
    font-size: 1.25rem;
    margin-bottom: 1.5rem;
}

.footer p {
    color: #94a3b8;
}

.footer a {
    color: #94a3b8;
    display: block;
    margin-bottom: 0.5rem;
}

.footer a:hover {
    color: var(--color-white);
}

.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding-top: var(--spacing-md);
    font-size: 0.875rem;
}

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

    .nav-links {
        position: fixed;
        top: 0;
        right: -100%;
        height: 100vh;
        width: 70%;
        background: var(--color-white);
        flex-direction: column;
        padding: 5rem 2rem;
        box-shadow: -5px 0 15px rgba(0, 0, 0, 0.1);
        transition: 0.3s;
    }

    .nav-links.active {
        right: 0;
    }

    .nav-links ul {
        flex-direction: column;
        align-items: flex-start;
    }

    .menu-btn {
        display: block;
        z-index: 1001;
    }

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

    .menu-btn.open span:nth-child(2) {
        opacity: 0;
    }

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

    .footer-grid {
        grid-template-columns: 1fr;
        text-align: center;
    }
}