/* ==========================================================================
   Apptojo - CSS Stylesheet
   Colors: Black (#000), White (#FFF), Turquoise (#00D4FF)
   ========================================================================== */

/* CSS Custom Properties */
:root {
    --color-primary: #00D4FF;
    --color-primary-dark: #00B8E6;
    --color-black: #000000;
    --color-white: #FFFFFF;
    --color-gray-50: #F9FAFB;
    --color-gray-100: #F3F4F6;
    --color-gray-200: #E5E7EB;
    --color-gray-300: #D1D5DB;
    --color-gray-400: #9CA3AF;
    --color-gray-500: #6B7280;
    --color-gray-600: #4B5563;
    --color-gray-700: #374151;
    --color-gray-800: #1F2937;
    --color-gray-900: #111827;

    --font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, sans-serif;

    --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;

    --border-radius: 8px;
    --border-radius-lg: 12px;
    --border-radius-xl: 16px;

    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);

    --transition: 0.2s ease-in-out;
}

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

html {
    scroll-behavior: smooth;
    -webkit-text-size-adjust: 100%;
}

/* Offset for fixed header when navigating to anchors */
section[id] {
    scroll-margin-top: 90px;
}

body {
    font-family: var(--font-family);
    font-size: 16px;
    line-height: 1.6;
    color: var(--color-gray-800);
    background-color: var(--color-white);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

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

a {
    color: var(--color-primary-dark);
    text-decoration: none;
    transition: color var(--transition);
}

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

ul, ol {
    list-style: none;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
    font-weight: 700;
    line-height: 1.2;
    color: var(--color-black);
}

h1 { font-size: clamp(2rem, 5vw, 3.5rem); }
h2 { font-size: clamp(1.75rem, 4vw, 2.5rem); }
h3 { font-size: clamp(1.25rem, 3vw, 1.5rem); }
h4 { font-size: 1.125rem; }

p {
    margin-bottom: var(--spacing-md);
}

/* Container */
.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-lg);
}

/* Header & Navigation */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--color-gray-100);
}

.nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 72px;
}

.nav .logo img {
    height: 40px;
    width: auto;
}

.nav-menu {
    display: flex;
    align-items: center;
    gap: var(--spacing-xl);
}

.nav-menu a {
    color: var(--color-gray-700);
    font-weight: 500;
    font-size: 0.9375rem;
    transition: color var(--transition);
}

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

.nav-menu a.btn-primary {
    color: var(--color-white);
}

.nav-menu a.btn-primary:hover {
    color: var(--color-white);
}

.nav-toggle {
    display: none;
    background: none;
    border: none;
    cursor: pointer;
    padding: var(--spacing-sm);
}

.hamburger {
    display: block;
    width: 24px;
    height: 2px;
    background: var(--color-black);
    position: relative;
    transition: background var(--transition);
}

.hamburger::before,
.hamburger::after {
    content: '';
    position: absolute;
    width: 24px;
    height: 2px;
    background: var(--color-black);
    left: 0;
    transition: transform var(--transition);
}

.hamburger::before { top: -8px; }
.hamburger::after { top: 8px; }

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0.625rem 1.25rem;
    font-size: 0.9375rem;
    font-weight: 600;
    border-radius: var(--border-radius);
    transition: all var(--transition);
    cursor: pointer;
    border: 2px solid transparent;
}

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

.btn-primary:hover {
    background: var(--color-gray-800);
    border-color: var(--color-gray-800);
    color: var(--color-white);
}

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

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

.btn-large {
    padding: 0.875rem 1.75rem;
    font-size: 1rem;
}

/* Hero Section */
.hero {
    padding: calc(72px + var(--spacing-4xl)) 0 var(--spacing-4xl);
    background: linear-gradient(135deg, var(--color-gray-50) 0%, var(--color-white) 100%);
    min-height: 80vh;
    display: flex;
    align-items: center;
}

.hero-content {
    max-width: 700px;
}

.hero h1 {
    margin-bottom: var(--spacing-lg);
}

.hero .highlight {
    color: var(--color-primary-dark);
}

.hero-subtitle {
    font-size: clamp(1.125rem, 2vw, 1.25rem);
    color: var(--color-gray-600);
    margin-bottom: var(--spacing-xl);
    max-width: 560px;
}

.hero-buttons {
    display: flex;
    gap: var(--spacing-md);
    flex-wrap: wrap;
}

/* Section Styles */
section {
    padding: var(--spacing-4xl) 0;
}

.section-header {
    text-align: center;
    max-width: 600px;
    margin: 0 auto var(--spacing-3xl);
}

.section-header h2 {
    margin-bottom: var(--spacing-md);
}

.section-header p {
    color: var(--color-gray-600);
    font-size: 1.125rem;
    margin-bottom: 0;
}

/* Services Section */
.services {
    background: var(--color-white);
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: var(--spacing-xl);
}

.service-card {
    padding: var(--spacing-xl);
    background: var(--color-gray-50);
    border-radius: var(--border-radius-lg);
    transition: transform var(--transition), box-shadow var(--transition);
}

.service-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
}

.service-icon {
    width: 64px;
    height: 64px;
    background: var(--color-white);
    border-radius: var(--border-radius);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: var(--spacing-lg);
    color: var(--color-primary-dark);
}

.service-card h3 {
    margin-bottom: var(--spacing-sm);
}

.service-card p {
    color: var(--color-gray-600);
    margin-bottom: 0;
    font-size: 0.9375rem;
}

/* About Section */
.about {
    background: var(--color-gray-50);
}

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

.about-text p {
    font-size: 1.0625rem;
    color: var(--color-gray-700);
}

/* Support Section */
.support {
    background: var(--color-white);
}

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

.support-card {
    padding: var(--spacing-xl);
    background: var(--color-gray-50);
    border-radius: var(--border-radius-lg);
}

.support-card h3 {
    margin-bottom: var(--spacing-md);
    color: var(--color-black);
}

.support-card h4 {
    margin: var(--spacing-lg) 0 var(--spacing-sm);
    color: var(--color-gray-800);
}

.support-card ol,
.support-card ul {
    margin-bottom: var(--spacing-lg);
    padding-left: var(--spacing-lg);
}

.support-card ol {
    list-style: decimal;
}

.support-card ul {
    list-style: disc;
}

.support-card li {
    margin-bottom: var(--spacing-sm);
    color: var(--color-gray-700);
}

.response-time {
    font-weight: 600;
    color: var(--color-primary-dark);
}

/* FAQ Section */
.faq {
    background: var(--color-gray-50);
}

.faq-list {
    max-width: 800px;
    margin: 0 auto;
}

.faq-item {
    background: var(--color-white);
    border-radius: var(--border-radius);
    margin-bottom: var(--spacing-md);
    overflow: hidden;
    box-shadow: var(--shadow-sm);
}

.faq-item summary {
    padding: var(--spacing-lg);
    font-weight: 600;
    cursor: pointer;
    list-style: none;
    display: flex;
    justify-content: space-between;
    align-items: center;
    color: var(--color-black);
    transition: background var(--transition);
}

.faq-item summary:hover {
    background: var(--color-gray-50);
}

.faq-item summary::after {
    content: '+';
    font-size: 1.5rem;
    font-weight: 400;
    color: var(--color-primary-dark);
    transition: transform var(--transition);
}

.faq-item[open] summary::after {
    transform: rotate(45deg);
}

.faq-item summary::-webkit-details-marker {
    display: none;
}

.faq-answer {
    padding: 0 var(--spacing-lg) var(--spacing-lg);
    color: var(--color-gray-700);
}

.faq-answer p {
    margin-bottom: 0;
}

/* Contact Section */
.contact {
    background: var(--color-black);
    color: var(--color-white);
}

.contact .section-header h2 {
    color: var(--color-white);
}

.contact .section-header p {
    color: var(--color-gray-300);
}

.contact-content {
    max-width: 600px;
    margin: 0 auto;
}

.contact-info {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: var(--spacing-xl);
    text-align: center;
}

.contact-item h3 {
    color: var(--color-primary);
    margin-bottom: var(--spacing-sm);
}

.contact-item p {
    color: var(--color-gray-400);
    margin-bottom: var(--spacing-xs);
}

.contact-item a {
    color: var(--color-white);
    font-size: 1.125rem;
    font-weight: 500;
}

.contact-item a:hover {
    color: var(--color-primary);
}

/* Footer */
.footer {
    background: var(--color-gray-900);
    color: var(--color-gray-300);
    padding: var(--spacing-3xl) 0 var(--spacing-xl);
}

.footer-content {
    display: grid;
    grid-template-columns: 1.5fr 2fr;
    gap: var(--spacing-3xl);
    margin-bottom: var(--spacing-2xl);
}

.footer-brand img {
    height: 32px;
    width: auto;
    margin-bottom: var(--spacing-md);
}

.footer-brand p {
    color: var(--color-gray-400);
    margin-bottom: 0;
}

.footer-links {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-xl);
}

.footer-column h4 {
    color: var(--color-white);
    margin-bottom: var(--spacing-md);
    font-size: 0.875rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.footer-column ul li {
    margin-bottom: var(--spacing-sm);
}

.footer-column a {
    color: var(--color-gray-400);
    font-size: 0.9375rem;
}

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

.footer-bottom {
    padding-top: var(--spacing-xl);
    border-top: 1px solid var(--color-gray-800);
    text-align: center;
}

.footer-bottom p {
    margin-bottom: 0;
    color: var(--color-gray-500);
    font-size: 0.875rem;
}

/* Legal Pages */
.legal-page {
    padding-top: calc(72px + var(--spacing-3xl));
    padding-bottom: var(--spacing-3xl);
    min-height: calc(100vh - 200px);
}

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

.legal-content h1 {
    margin-bottom: var(--spacing-md);
}

.legal-content .last-updated {
    color: var(--color-gray-500);
    font-size: 0.875rem;
    margin-bottom: var(--spacing-2xl);
}

.legal-content h2 {
    font-size: 1.5rem;
    margin-top: var(--spacing-2xl);
    margin-bottom: var(--spacing-md);
}

.legal-content h3 {
    font-size: 1.125rem;
    margin-top: var(--spacing-lg);
    margin-bottom: var(--spacing-sm);
}

.legal-content p,
.legal-content ul,
.legal-content ol {
    margin-bottom: var(--spacing-md);
    color: var(--color-gray-700);
}

.legal-content ul,
.legal-content ol {
    padding-left: var(--spacing-xl);
}

.legal-content ul {
    list-style: disc;
}

.legal-content ol {
    list-style: decimal;
}

.legal-content li {
    margin-bottom: var(--spacing-sm);
}

/* Mobile Responsive */
@media (max-width: 768px) {
    .nav-toggle {
        display: block;
    }

    .nav-menu {
        position: fixed;
        top: 72px;
        left: 0;
        right: 0;
        background: var(--color-white);
        flex-direction: column;
        padding: var(--spacing-xl);
        gap: var(--spacing-lg);
        border-bottom: 1px solid var(--color-gray-200);
        transform: translateY(-100%);
        opacity: 0;
        visibility: hidden;
        transition: all 0.3s ease;
    }

    .nav-menu.active {
        transform: translateY(0);
        opacity: 1;
        visibility: visible;
    }

    .nav-menu li {
        width: 100%;
    }

    .nav-menu a {
        display: block;
        padding: var(--spacing-sm);
    }

    .hero {
        padding-top: calc(72px + var(--spacing-2xl));
        min-height: auto;
    }

    .hero-buttons {
        flex-direction: column;
    }

    .hero-buttons .btn {
        width: 100%;
    }

    section {
        padding: var(--spacing-2xl) 0;
    }

    .section-header {
        margin-bottom: var(--spacing-xl);
    }

    .footer-content {
        grid-template-columns: 1fr;
        gap: var(--spacing-2xl);
    }

    .footer-links {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 var(--spacing-md);
    }

    .footer-links {
        grid-template-columns: 1fr;
    }

    .contact-info {
        grid-template-columns: 1fr;
    }
}

/* Focus States for Accessibility */
a:focus,
button:focus,
summary:focus {
    outline: 2px solid var(--color-primary);
    outline-offset: 2px;
}

a:focus:not(:focus-visible),
button:focus:not(:focus-visible),
summary:focus:not(:focus-visible) {
    outline: none;
}

/* Reduced Motion */
@media (prefers-reduced-motion: reduce) {
    html {
        scroll-behavior: auto;
    }

    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}

/* Print Styles */
@media print {
    .header,
    .hero-buttons,
    .nav-toggle {
        display: none;
    }

    body {
        font-size: 12pt;
    }

    a {
        text-decoration: underline;
    }

    .hero {
        padding-top: 0;
        min-height: auto;
    }
}