/* i4Seer.com - Company Website Styles */
/* Based on Tick device web UI dark theme */

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

:root {
    --bg-primary: #1e1e1e;
    --bg-secondary: #252526;
    --bg-tertiary: #2d2d30;
    --border-color: #3e3e42;
    --text-primary: #cccccc;
    --text-secondary: #888888;
    --text-muted: #666666;
    --accent: #4fc3f7;
    --accent-hover: #7fd4fb;
    --success: #4caf50;
    --warning: #ffa726;
    --error: #f48771;
    --code-bg: #0c0c0c;
}

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

a {
    color: var(--accent);
    text-decoration: none;
    transition: color 0.2s;
}

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

/* Container */
.container {
    max-width: 1100px;
    margin: 0 auto;
    padding: 0 20px;
}

/* Header */
.site-header {
    background: var(--bg-secondary);
    border-bottom: 1px solid var(--border-color);
    padding: 1rem 0;
    position: sticky;
    top: 0;
    z-index: 100;
}

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

.logo {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--text-primary);
}

.logo-text {
    font-weight: 400;
}

.logo-accent {
    color: var(--accent);
    font-weight: 600;
}

.logo-icon {
    width: 32px;
    height: 32px;
}

.nav {
    display: flex;
    gap: 8px;
}

.nav a {
    padding: 8px 16px;
    border-radius: 6px;
    font-size: 14px;
    font-weight: 500;
    color: var(--text-secondary);
    transition: all 0.2s;
}

.nav a:hover {
    background: var(--bg-tertiary);
    color: var(--text-primary);
}

.nav a.active {
    background: var(--accent);
    color: var(--bg-primary);
}

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

.nav-cta:hover {
    background: var(--accent-hover) !important;
}

/* Hamburger Menu Button */
.nav-toggle {
    display: none;
    flex-direction: column;
    justify-content: center;
    gap: 5px;
    width: 32px;
    height: 32px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 4px;
}

.nav-toggle span {
    display: block;
    width: 24px;
    height: 2px;
    background: var(--text-primary);
    border-radius: 2px;
    transition: all 0.3s ease;
}

.nav-toggle.active span:nth-child(1) {
    transform: rotate(45deg) translate(5px, 5px);
}

.nav-toggle.active span:nth-child(2) {
    opacity: 0;
}

.nav-toggle.active span:nth-child(3) {
    transform: rotate(-45deg) translate(5px, -5px);
}

/* Hero Section */
.hero {
    padding: 80px 0;
    text-align: center;
    background: linear-gradient(180deg, var(--bg-secondary) 0%, var(--bg-primary) 100%);
    border-bottom: 1px solid var(--border-color);
}

.hero h1 {
    font-size: 3rem;
    font-weight: 700;
    color: #fff;
    margin-bottom: 1rem;
}

.hero h1 span {
    color: var(--accent);
}

.hero-tagline {
    font-size: 1.25rem;
    color: var(--text-secondary);
    max-width: 600px;
    margin: 0 auto 2rem;
}

.hero-cta {
    display: flex;
    gap: 16px;
    justify-content: center;
    flex-wrap: wrap;
}

.btn {
    display: inline-block;
    padding: 12px 28px;
    border-radius: 6px;
    font-size: 15px;
    font-weight: 600;
    cursor: pointer;
    border: none;
    transition: all 0.2s;
}

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

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

.btn-secondary {
    background: var(--bg-tertiary);
    color: var(--text-primary);
    border: 1px solid var(--border-color);
}

.btn-secondary:hover {
    background: var(--border-color);
}

/* Product Image */
.product-showcase {
    padding: 60px 0;
}

.product-image-container {
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: 16px;
    padding: 40px;
    text-align: center;
    margin-bottom: 40px;
}

.product-image {
    max-width: 400px;
    width: 100%;
    height: auto;
}

/* Features Grid */
.features {
    padding: 60px 0;
    background: var(--bg-secondary);
    border-top: 1px solid var(--border-color);
    border-bottom: 1px solid var(--border-color);
}

.section-title {
    text-align: center;
    font-size: 2rem;
    font-weight: 700;
    color: #fff;
    margin-bottom: 0.5rem;
}

.section-subtitle {
    text-align: center;
    color: var(--text-secondary);
    margin-bottom: 3rem;
    font-size: 1.1rem;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 24px;
}

.feature-card {
    background: var(--bg-primary);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 24px;
    transition: border-color 0.2s, transform 0.2s;
}

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

.feature-icon {
    width: 48px;
    height: 48px;
    background: rgba(79, 195, 247, 0.1);
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 16px;
    font-size: 24px;
}

.feature-card h3 {
    font-size: 1.1rem;
    font-weight: 600;
    color: #fff;
    margin-bottom: 8px;
}

.feature-card p {
    font-size: 14px;
    color: var(--text-secondary);
    line-height: 1.5;
}

/* Specs Section */
.specs {
    padding: 60px 0;
}

.specs-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 24px;
}

.spec-group {
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 24px;
}

.spec-group h3 {
    font-size: 14px;
    text-transform: uppercase;
    letter-spacing: 1px;
    color: var(--accent);
    margin-bottom: 16px;
    padding-bottom: 12px;
    border-bottom: 1px solid var(--border-color);
}

.spec-row {
    display: flex;
    justify-content: space-between;
    padding: 8px 0;
    font-size: 14px;
}

.spec-label {
    color: var(--text-secondary);
}

.spec-value {
    color: var(--text-primary);
    font-weight: 500;
}

/* Screenshot Gallery */
.screenshots {
    padding: 60px 0;
    background: var(--bg-secondary);
    border-top: 1px solid var(--border-color);
    border-bottom: 1px solid var(--border-color);
}

.screenshot-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 24px;
}

.screenshot-card {
    background: var(--bg-primary);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    overflow: hidden;
}

.screenshot-image {
    width: 100%;
    height: 200px;
    background: var(--code-bg);
    display: flex;
    align-items: center;
    justify-content: center;
    border-bottom: 1px solid var(--border-color);
    color: var(--text-muted);
    font-size: 14px;
}

.screenshot-info {
    padding: 20px;
}

.screenshot-info h4 {
    font-size: 1rem;
    color: #fff;
    margin-bottom: 8px;
}

.screenshot-info p {
    font-size: 13px;
    color: var(--text-secondary);
    line-height: 1.5;
}

/* Tutorial Steps */
.tutorial {
    padding: 60px 0;
}

.tutorial-steps {
    max-width: 700px;
    margin: 0 auto;
}

.tutorial-step {
    display: flex;
    gap: 24px;
    margin-bottom: 40px;
    position: relative;
}

.tutorial-step:not(:last-child)::after {
    content: '';
    position: absolute;
    left: 23px;
    top: 60px;
    bottom: -20px;
    width: 2px;
    background: var(--border-color);
}

.step-number {
    width: 48px;
    height: 48px;
    background: var(--accent);
    color: var(--bg-primary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.25rem;
    font-weight: 700;
    flex-shrink: 0;
}

.step-content {
    flex: 1;
    padding-top: 8px;
}

.step-content h3 {
    font-size: 1.1rem;
    color: #fff;
    margin-bottom: 8px;
}

.step-content p {
    color: var(--text-secondary);
    font-size: 14px;
    line-height: 1.6;
}

.step-content code {
    background: var(--code-bg);
    padding: 2px 8px;
    border-radius: 4px;
    font-family: 'Consolas', 'Monaco', monospace;
    font-size: 13px;
    color: var(--accent);
}

/* Protocols/API Section */
.protocols {
    padding: 60px 0;
    background: var(--bg-secondary);
    border-top: 1px solid var(--border-color);
}

.protocol-card {
    background: var(--bg-primary);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 24px;
    margin-bottom: 24px;
}

.protocol-card h3 {
    font-size: 1.1rem;
    color: var(--accent);
    margin-bottom: 12px;
    display: flex;
    align-items: center;
    gap: 10px;
}

.protocol-card p {
    color: var(--text-secondary);
    font-size: 14px;
    margin-bottom: 16px;
}

.code-block {
    background: var(--code-bg);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    padding: 16px;
    font-family: 'Consolas', 'Monaco', monospace;
    font-size: 13px;
    color: var(--text-primary);
    overflow-x: auto;
    white-space: pre;
}

.code-block .comment {
    color: var(--text-muted);
}

.code-block .keyword {
    color: #c586c0;
}

.code-block .string {
    color: #ce9178;
}

.code-block .number {
    color: #b5cea8;
}

/* Pricing */
.pricing {
    padding: 60px 0;
    text-align: center;
}

.price-card {
    background: var(--bg-secondary);
    border: 2px solid var(--accent);
    border-radius: 16px;
    padding: 40px;
    max-width: 400px;
    margin: 0 auto;
}

.price-card h3 {
    font-size: 1.5rem;
    color: #fff;
    margin-bottom: 8px;
}

.price-card .price {
    font-size: 3rem;
    font-weight: 700;
    color: var(--accent);
    margin: 16px 0;
}

.price-card .price span {
    font-size: 1rem;
    color: var(--text-secondary);
}

.price-includes {
    text-align: left;
    margin: 24px 0;
}

.price-includes li {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 8px 0;
    font-size: 14px;
    color: var(--text-primary);
}

.price-includes li::before {
    content: '✓';
    color: var(--success);
    font-weight: bold;
}

/* Contact */
.contact {
    padding: 60px 0;
    text-align: center;
    background: var(--bg-secondary);
    border-top: 1px solid var(--border-color);
}

.contact p {
    color: var(--text-secondary);
    margin-bottom: 16px;
}

.contact-email {
    font-size: 1.25rem;
    color: var(--accent);
    font-weight: 600;
}

/* Footer */
.site-footer {
    background: var(--bg-tertiary);
    border-top: 1px solid var(--border-color);
    padding: 40px 0 24px;
}

.footer-content {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    flex-wrap: wrap;
    gap: 40px;
    margin-bottom: 40px;
}

.footer-brand {
    max-width: 300px;
}

.footer-brand .logo {
    margin-bottom: 12px;
    display: inline-flex;
}

.footer-brand p {
    font-size: 13px;
    color: var(--text-secondary);
}

.footer-nav {
    display: flex;
    gap: 40px;
    align-items: flex-start;
}

.footer-links {
    padding-top: 0;
}

.footer-links h4 {
    font-size: 13px;
    text-transform: uppercase;
    letter-spacing: 1px;
    color: var(--text-primary);
    margin-bottom: 16px;
    margin-top: 0;
}

.footer-links ul {
    list-style: none;
}

.footer-links li {
    margin-bottom: 8px;
}

.footer-links a {
    font-size: 14px;
    color: var(--text-secondary);
}

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

.footer-bottom {
    padding-top: 24px;
    border-top: 1px solid var(--border-color);
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 13px;
    color: var(--text-muted);
}

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

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

.footer-legal .separator {
    margin: 0 8px;
    color: var(--border-color);
}

/* Cookie Consent Banner */
.cookie-banner {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    background: var(--bg-tertiary);
    border-top: 1px solid var(--border-color);
    padding: 16px 20px;
    z-index: 1000;
    display: flex;
    justify-content: center;
}

.cookie-content {
    max-width: 1100px;
    width: 100%;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 20px;
}

.cookie-content p {
    margin: 0;
    font-size: 14px;
    color: var(--text-secondary);
}

.cookie-content a {
    color: var(--accent);
}

.cookie-buttons {
    display: flex;
    gap: 10px;
    flex-shrink: 0;
}

.cookie-buttons .btn {
    padding: 8px 20px;
    font-size: 13px;
}

/* Badge/Tag */
.badge {
    display: inline-block;
    padding: 4px 10px;
    background: rgba(79, 195, 247, 0.15);
    color: var(--accent);
    border-radius: 4px;
    font-size: 12px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

/* Mobile Responsive */
@media (max-width: 768px) {
    .hero h1 {
        font-size: 2rem;
    }

    .hero-tagline {
        font-size: 1rem;
    }

    /* Mobile Navigation */
    .nav-toggle {
        display: flex;
    }

    .nav {
        display: none;
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background: var(--bg-secondary);
        border-bottom: 1px solid var(--border-color);
        flex-direction: column;
        padding: 16px 20px;
        gap: 0;
    }

    .nav.open {
        display: flex;
    }

    .nav a {
        padding: 12px 16px;
        border-radius: 6px;
        font-size: 16px;
    }

    .nav a.active {
        background: transparent;
        color: var(--accent);
    }

    .nav-cta {
        margin-top: 8px;
        text-align: center;
    }

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

    .footer-content {
        flex-direction: column;
    }

    .footer-nav {
        flex-direction: column;
        gap: 24px;
    }

    .footer-bottom {
        flex-direction: column;
        gap: 8px;
        text-align: center;
    }

    .tutorial-step {
        flex-direction: column;
        gap: 16px;
    }

    .tutorial-step:not(:last-child)::after {
        display: none;
    }

    .cookie-content {
        flex-direction: column;
        text-align: center;
    }
}