/* ==========================================================================
   LOKE Intelligence Landing Page Styles
   ========================================================================== */

/* CSS Custom Properties */
:root {
    /* Colors */
    --color-bg-primary: #0A1628;
    --color-bg-secondary: #0F1D32;
    --color-bg-card: #1E3A5F;
    --color-accent: #4A90D9;
    --color-accent-bright: #5FA8F5;
    --color-teal: #2DD4BF;
    --color-text-primary: #FFFFFF;
    --color-text-secondary: #94A3B8;
    --color-text-muted: #64748B;
    --color-border: #1E3A5F;
    --color-border-light: #2D4A6F;

    /* Typography */
    --font-sans: 'Inter', system-ui, -apple-system, sans-serif;
    --font-mono: 'JetBrains Mono', monospace;

    /* Spacing */
    --spacing-xs: 0.25rem;
    --spacing-sm: 0.5rem;
    --spacing-md: 1rem;
    --spacing-lg: 1.5rem;
    --spacing-xl: 2rem;
    --spacing-2xl: 3rem;
    --spacing-3xl: 4rem;
    --spacing-4xl: 6rem;

    /* Sizing */
    --max-width: 1200px;
    --nav-height: 4rem;

    /* Effects */
    --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.3);
    --shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.3);
    --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.3);
    --transition-fast: 150ms ease;
    --transition-base: 200ms ease;
    --transition-slow: 300ms ease;
}

/* ==========================================================================
   Base Styles
   ========================================================================== */

*, *::before, *::after {
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    margin: 0;
    padding: 0;
    font-family: var(--font-sans);
    font-size: 16px;
    line-height: 1.6;
    color: var(--color-text-primary);
    background-color: var(--color-bg-primary);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

h1, h2, h3, h4, h5, h6 {
    margin: 0;
    font-weight: 600;
    line-height: 1.2;
}

p {
    margin: 0;
}

a {
    color: var(--color-accent);
    text-decoration: none;
    transition: color var(--transition-fast);
}

a:hover {
    color: var(--color-accent-bright);
}

img {
    max-width: 100%;
    height: auto;
}

/* ==========================================================================
   Utility Classes
   ========================================================================== */

.container {
    width: 100%;
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 var(--spacing-lg);
}

.hidden {
    display: none !important;
}

/* ==========================================================================
   Navigation
   ========================================================================== */

.nav {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    height: var(--nav-height);
    background: rgba(10, 22, 40, 0.9);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--color-border);
    z-index: 1000;
    transition: background var(--transition-base);
}

.nav-container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 100%;
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 var(--spacing-lg);
}

.nav-logo {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    color: var(--color-text-primary);
    font-family: var(--font-mono);
    font-weight: 600;
    font-size: 1rem;
    letter-spacing: 0.05em;
}

.nav-logo:hover {
    color: var(--color-text-primary);
}

.logo-divider {
    width: 1px;
    height: 1rem;
    background: var(--color-border-light);
}

.logo-intel {
    color: var(--color-accent);
}

.nav-cta {
    padding: var(--spacing-sm) var(--spacing-md);
    background: transparent;
    border: 1px solid var(--color-accent);
    border-radius: 4px;
    color: var(--color-accent);
    font-size: 0.875rem;
    font-weight: 500;
    transition: all var(--transition-base);
}

.nav-cta:hover {
    background: var(--color-accent);
    color: var(--color-bg-primary);
}

/* ==========================================================================
   Hero Section
   ========================================================================== */

.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: var(--spacing-4xl) var(--spacing-lg);
    overflow: hidden;
}

.hero-bg {
    position: absolute;
    inset: 0;
    overflow: hidden;
}

.hero-grid {
    position: absolute;
    inset: 0;
    background-image:
        linear-gradient(rgba(74, 144, 217, 0.03) 1px, transparent 1px),
        linear-gradient(90deg, rgba(74, 144, 217, 0.03) 1px, transparent 1px);
    background-size: 50px 50px;
    mask-image: radial-gradient(ellipse at center, black 30%, transparent 70%);
}

.hero-bg::after {
    content: '';
    position: absolute;
    top: 20%;
    left: 50%;
    transform: translateX(-50%);
    width: 800px;
    height: 400px;
    background: radial-gradient(ellipse, rgba(74, 144, 217, 0.1) 0%, transparent 60%);
    pointer-events: none;
}

.hero-content {
    position: relative;
    z-index: 1;
    text-align: center;
    max-width: 800px;
}

.hero-logo {
    display: flex;
    flex-direction: column;
    align-items: center;
    margin-bottom: var(--spacing-xl);
}

.logo-main {
    font-family: var(--font-mono);
    font-size: clamp(3rem, 10vw, 5rem);
    font-weight: 700;
    letter-spacing: 0.2em;
    color: var(--color-text-primary);
}

.logo-sub {
    font-family: var(--font-mono);
    font-size: clamp(1.5rem, 5vw, 2.5rem);
    font-weight: 500;
    letter-spacing: 0.3em;
    color: var(--color-accent);
    margin-top: -0.25em;
}

.hero-tagline {
    font-size: clamp(1.25rem, 3vw, 1.75rem);
    font-weight: 400;
    color: var(--color-text-secondary);
    margin-bottom: var(--spacing-lg);
    letter-spacing: 0.02em;
}

.hero-description {
    font-size: clamp(1rem, 2vw, 1.125rem);
    color: var(--color-text-muted);
    margin-bottom: var(--spacing-2xl);
    line-height: 1.7;
}

.hero-scroll {
    position: absolute;
    bottom: var(--spacing-2xl);
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--spacing-sm);
    color: var(--color-text-muted);
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.1em;
}

.scroll-indicator {
    width: 1px;
    height: 40px;
    background: linear-gradient(to bottom, var(--color-accent), transparent);
    animation: scrollPulse 2s ease-in-out infinite;
}

@keyframes scrollPulse {
    0%, 100% { opacity: 0.5; transform: scaleY(1); }
    50% { opacity: 1; transform: scaleY(1.2); }
}

/* ==========================================================================
   Buttons
   ========================================================================== */

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: var(--spacing-md) var(--spacing-xl);
    border: none;
    border-radius: 4px;
    font-family: var(--font-sans);
    font-size: 1rem;
    font-weight: 500;
    cursor: pointer;
    transition: all var(--transition-base);
}

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

.btn-primary:hover {
    background: var(--color-accent-bright);
    color: var(--color-bg-primary);
    transform: translateY(-1px);
    box-shadow: 0 4px 20px rgba(74, 144, 217, 0.3);
}

.btn-full {
    width: 100%;
}

/* ==========================================================================
   Section Styles
   ========================================================================== */

.section {
    padding: var(--spacing-4xl) 0;
}

.section-label {
    display: block;
    font-family: var(--font-mono);
    font-size: 0.75rem;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.15em;
    color: var(--color-accent);
    margin-bottom: var(--spacing-md);
}

.section-title {
    font-size: clamp(1.5rem, 4vw, 2.25rem);
    font-weight: 600;
    color: var(--color-text-primary);
    margin-bottom: var(--spacing-2xl);
    max-width: 800px;
}

/* ==========================================================================
   Challenge Section
   ========================================================================== */

.challenge {
    background: var(--color-bg-secondary);
}

.challenge-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--spacing-lg);
}

.challenge-card {
    padding: var(--spacing-xl);
    background: var(--color-bg-primary);
    border: 1px solid var(--color-border);
    border-radius: 8px;
    transition: all var(--transition-base);
}

.challenge-card:hover {
    border-color: var(--color-border-light);
    transform: translateY(-2px);
}

.challenge-icon {
    width: 48px;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: var(--spacing-lg);
    color: var(--color-accent);
}

.challenge-icon svg {
    width: 32px;
    height: 32px;
}

.challenge-card h3 {
    font-size: 1.125rem;
    margin-bottom: var(--spacing-sm);
}

.challenge-card p {
    color: var(--color-text-secondary);
    font-size: 0.9375rem;
    line-height: 1.6;
}

/* ==========================================================================
   Solution Section
   ========================================================================== */

.solution-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--spacing-xl);
}

.solution-card {
    padding: var(--spacing-xl);
    background: var(--color-bg-secondary);
    border: 1px solid var(--color-border);
    border-radius: 8px;
    transition: all var(--transition-base);
}

.solution-card:hover {
    border-color: var(--color-accent);
}

.solution-number {
    font-family: var(--font-mono);
    font-size: 0.875rem;
    color: var(--color-accent);
    margin-bottom: var(--spacing-md);
}

.solution-card h3 {
    font-size: 1.25rem;
    margin-bottom: var(--spacing-md);
}

.solution-card p {
    color: var(--color-text-secondary);
    font-size: 0.9375rem;
    line-height: 1.7;
}

/* ==========================================================================
   Why Section
   ========================================================================== */

.why {
    background: var(--color-bg-secondary);
}

.why-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-xl);
}

.why-item {
    padding: var(--spacing-lg) 0;
    border-bottom: 1px solid var(--color-border);
}

.why-item:last-child {
    border-bottom: none;
}

.why-header {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-md);
}

.why-icon {
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(74, 144, 217, 0.1);
    border-radius: 8px;
    color: var(--color-accent);
}

.why-icon svg {
    width: 24px;
    height: 24px;
}

.why-item h3 {
    font-size: 1.125rem;
}

.why-item p {
    color: var(--color-text-secondary);
    font-size: 0.9375rem;
    line-height: 1.7;
}

/* ==========================================================================
   Audience Section
   ========================================================================== */

.audience-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--spacing-lg);
}

.audience-card {
    padding: var(--spacing-xl);
    background: var(--color-bg-secondary);
    border: 1px solid var(--color-border);
    border-radius: 8px;
    text-align: center;
    transition: all var(--transition-base);
}

.audience-card:hover {
    border-color: var(--color-teal);
}

.audience-icon {
    width: 64px;
    height: 64px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto var(--spacing-lg);
    background: rgba(45, 212, 191, 0.1);
    border-radius: 12px;
    color: var(--color-teal);
}

.audience-icon svg {
    width: 32px;
    height: 32px;
}

.audience-card h3 {
    font-size: 1.125rem;
    margin-bottom: var(--spacing-md);
}

.audience-card p {
    color: var(--color-text-secondary);
    font-size: 0.9375rem;
    line-height: 1.6;
}

/* ==========================================================================
   Trust Section
   ========================================================================== */

.trust {
    background: var(--color-bg-secondary);
}

.trust-content {
    text-align: center;
    max-width: 700px;
    margin: 0 auto;
}

.trust-badges {
    display: flex;
    justify-content: center;
    gap: var(--spacing-xl);
    margin-bottom: var(--spacing-xl);
    flex-wrap: wrap;
}

.trust-badge {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--spacing-sm);
}

.badge-icon {
    width: 64px;
    height: 64px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--color-bg-primary);
    border: 1px solid var(--color-border);
    border-radius: 12px;
    font-family: var(--font-mono);
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--color-accent);
}

.badge-icon svg {
    width: 28px;
    height: 28px;
}

.trust-badge span {
    font-size: 0.875rem;
    color: var(--color-text-secondary);
}

.trust-description {
    color: var(--color-text-secondary);
    line-height: 1.7;
}

/* ==========================================================================
   Contact Section
   ========================================================================== */

.contact-wrapper {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--spacing-3xl);
}

@media (min-width: 768px) {
    .contact-wrapper {
        grid-template-columns: 1fr 1fr;
        align-items: start;
    }
}

.contact-info {
    padding-top: var(--spacing-lg);
}

.contact-info p {
    color: var(--color-text-secondary);
    margin-bottom: var(--spacing-lg);
    line-height: 1.7;
}

.contact-email {
    margin-top: var(--spacing-xl);
}

.contact-email a {
    font-family: var(--font-mono);
    font-size: 1rem;
}

.contact-form {
    background: var(--color-bg-secondary);
    padding: var(--spacing-xl);
    border: 1px solid var(--color-border);
    border-radius: 8px;
}

.form-group {
    margin-bottom: var(--spacing-lg);
}

.form-group label {
    display: block;
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--color-text-secondary);
    margin-bottom: var(--spacing-sm);
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: var(--spacing-md);
    background: var(--color-bg-primary);
    border: 1px solid var(--color-border);
    border-radius: 4px;
    color: var(--color-text-primary);
    font-family: var(--font-sans);
    font-size: 1rem;
    transition: border-color var(--transition-fast);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--color-accent);
}

.form-group select {
    cursor: pointer;
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' fill='%2394A3B8' viewBox='0 0 16 16'%3E%3Cpath d='M7.247 11.14L2.451 5.658C1.885 5.013 2.345 4 3.204 4h9.592a1 1 0 0 1 .753 1.659l-4.796 5.48a1 1 0 0 1-1.506 0z'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right var(--spacing-md) center;
}

.form-group textarea {
    resize: vertical;
    min-height: 100px;
}

.form-privacy {
    margin-top: var(--spacing-lg);
    font-size: 0.75rem;
    color: var(--color-text-muted);
    line-height: 1.5;
}

/* ==========================================================================
   Footer
   ========================================================================== */

.footer {
    padding: var(--spacing-3xl) 0 var(--spacing-xl);
    background: var(--color-bg-secondary);
    border-top: 1px solid var(--color-border);
}

.footer-content {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    flex-wrap: wrap;
    gap: var(--spacing-xl);
    padding-bottom: var(--spacing-xl);
    margin-bottom: var(--spacing-xl);
    border-bottom: 1px solid var(--color-border);
}

.footer-logo {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    font-family: var(--font-mono);
    font-weight: 600;
    font-size: 1rem;
    letter-spacing: 0.05em;
    margin-bottom: var(--spacing-md);
}

.footer-tagline {
    font-size: 0.875rem;
    color: var(--color-text-muted);
    margin-bottom: var(--spacing-xs);
}

.footer-description {
    font-size: 0.9375rem;
    color: var(--color-text-secondary);
}

.footer-social {
    display: flex;
    gap: var(--spacing-md);
}

.footer-social a {
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--color-bg-primary);
    border: 1px solid var(--color-border);
    border-radius: 8px;
    color: var(--color-text-secondary);
    transition: all var(--transition-base);
}

.footer-social a:hover {
    border-color: var(--color-accent);
    color: var(--color-accent);
}

.footer-social svg {
    width: 20px;
    height: 20px;
}

.footer-bottom {
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
    align-items: center;
    gap: var(--spacing-md);
    font-size: 0.875rem;
    color: var(--color-text-muted);
}

.footer-legal {
    display: flex;
    gap: var(--spacing-lg);
}

.footer-legal a {
    color: var(--color-text-muted);
}

.footer-legal a:hover {
    color: var(--color-text-secondary);
}

/* ==========================================================================
   L.O.K.E. Theme Styling
   ========================================================================== */

/* Subtle accent on first letters in section headers */
.solution-card h3 .loke-letter {
    color: var(--color-teal);
    font-weight: 700;
}

/* Footer tagline with L.O.K.E. words */
.footer-tagline .loke-word {
    color: var(--color-text-secondary);
    letter-spacing: 0.02em;
}

/* ==========================================================================
   Responsive Styles
   ========================================================================== */

@media (max-width: 768px) {
    .hero {
        padding-top: calc(var(--nav-height) + var(--spacing-2xl));
    }

    .hero-scroll {
        display: none;
    }

    .section {
        padding: var(--spacing-3xl) 0;
    }

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

    .footer-bottom {
        flex-direction: column;
        text-align: center;
    }
}

@media (max-width: 480px) {
    .logo-main {
        font-size: 2.5rem;
    }

    .logo-sub {
        font-size: 1.25rem;
        letter-spacing: 0.15em;
    }

    .challenge-grid,
    .solution-grid,
    .audience-grid {
        grid-template-columns: 1fr;
    }

    .trust-badges {
        flex-direction: column;
        align-items: center;
    }
}

/* ==========================================================================
   Animation Utilities
   ========================================================================== */

@media (prefers-reduced-motion: no-preference) {
    .challenge-card,
    .solution-card,
    .audience-card,
    .why-item {
        opacity: 0;
        transform: translateY(20px);
        animation: fadeInUp 0.6s ease forwards;
    }

    .challenge-card:nth-child(1) { animation-delay: 0.1s; }
    .challenge-card:nth-child(2) { animation-delay: 0.2s; }
    .challenge-card:nth-child(3) { animation-delay: 0.3s; }

    .solution-card:nth-child(1) { animation-delay: 0.1s; }
    .solution-card:nth-child(2) { animation-delay: 0.2s; }
    .solution-card:nth-child(3) { animation-delay: 0.3s; }
    .solution-card:nth-child(4) { animation-delay: 0.4s; }
}

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

/* ==========================================================================
   Print Styles
   ========================================================================== */

@media print {
    .nav,
    .hero-scroll,
    .footer-social {
        display: none;
    }

    body {
        background: white;
        color: black;
    }

    .section {
        page-break-inside: avoid;
    }
}