/* Todosec INC - Cybersecurity Website Styles */

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

:root {
    /* Brand Colors - derived from logo */
    --primary-dark: #0a0e17;
    --secondary-dark: #111827;
    --accent-blue: #0ea5e9;
    --accent-blue-light: #38bdf8;
    --accent-blue-dark: #0284c7;
    --accent-cyan: #22d3ee;
    --text-white: #ffffff;
    --text-gray: #9ca3af;
    --text-gray-light: #d1d5db;
    --border-color: #1f2937;

    /* Typography */
    --font-primary: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    --font-heading: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;

    /* Spacing */
    --section-padding: 5rem 0;
    --container-padding: 0 1.5rem;
}

html {
    scroll-behavior: smooth;
}

/* Skip to content link for accessibility */
.skip-link {
    position: absolute;
    top: -100px;
    left: 50%;
    transform: translateX(-50%);
    background: var(--accent-blue);
    color: var(--text-white);
    padding: 1rem 2rem;
    border-radius: 0 0 8px 8px;
    z-index: 10000;
    font-weight: 600;
    text-decoration: none;
    transition: top 0.3s ease;
}

.skip-link:focus {
    top: 0;
    outline: none;
}

/* Focus styles for keyboard navigation */
*:focus-visible {
    outline: 2px solid var(--accent-blue);
    outline-offset: 3px;
}

/* Remove focus outline for mouse users */
*:focus:not(:focus-visible) {
    outline: none;
}

body {
    font-family: var(--font-primary);
    background-color: var(--primary-dark);
    color: var(--text-white);
    line-height: 1.6;
    min-height: 100vh;
    position: relative;
}

/* Noise texture overlay */
body::before {
    content: '';
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    z-index: 9999;
    opacity: 0.03;
    background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noise'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noise)'/%3E%3C/svg%3E");
}

a {
    color: inherit;
    text-decoration: none;
    transition: color 0.3s ease;
}

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

ul {
    list-style: none;
}

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

/* Typography */
h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-heading);
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: 1rem;
}

h1 {
    font-size: clamp(2.5rem, 5vw, 4rem);
}

h2 {
    font-size: clamp(2rem, 4vw, 3rem);
}

h3 {
    font-size: clamp(1.5rem, 3vw, 2rem);
}

p {
    margin-bottom: 1rem;
    color: var(--text-gray-light);
}

/* Buttons */
.btn {
    display: inline-block;
    padding: 0.875rem 2rem;
    font-size: 1rem;
    font-weight: 600;
    text-align: center;
    border-radius: 50px;
    cursor: pointer;
    transition: all 0.3s ease;
    border: none;
    text-decoration: none;
}

.btn-primary {
    background: linear-gradient(135deg, var(--accent-blue) 0%, var(--accent-cyan) 100%);
    color: var(--text-white);
    position: relative;
    overflow: hidden;
}

.btn-primary::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
    transition: left 0.5s ease;
}

.btn-primary:hover {
    transform: translateY(-3px) scale(1.02);
    box-shadow: 0 15px 35px rgba(14, 165, 233, 0.4);
}

.btn-primary:hover::before {
    left: 100%;
}

.btn-secondary {
    background-color: transparent;
    color: var(--text-white);
    border: 2px solid var(--accent-blue);
    position: relative;
    overflow: hidden;
}

.btn-secondary::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 0;
    height: 100%;
    background-color: var(--accent-blue);
    transition: width 0.3s ease;
    z-index: -1;
}

.btn-secondary:hover {
    color: var(--text-white);
    transform: translateY(-3px);
    box-shadow: 0 10px 25px rgba(14, 165, 233, 0.3);
}

.btn-secondary:hover::before {
    width: 100%;
}

/* Header & Navigation */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background-color: rgba(10, 14, 23, 0.95);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--border-color);
}

.nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0.5rem 0 0 0;
    max-width: 1200px;
    margin: 0 auto;
    padding-left: 1.5rem;
    padding-right: 1.5rem;
}

.nav-logo {
    display: flex;
    align-items: center;
    margin-bottom: -15px;
}

.nav-logo img {
    height: 200px;
    width: auto;
}

.nav-links {
    display: flex;
    gap: 2.5rem;
    align-items: center;
}

.nav-links a {
    font-weight: 500;
    color: var(--text-gray-light);
    transition: color 0.3s ease;
    position: relative;
}

.nav-links a:hover,
.nav-links a.active {
    color: var(--accent-blue);
}

.nav-links a::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--accent-blue);
    transition: width 0.3s ease;
}

.nav-links a:hover::after,
.nav-links a.active::after {
    width: 100%;
}

.nav-cta {
    margin-left: 1rem;
}

/* Mobile Navigation */
.nav-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    cursor: pointer;
    padding: 0.5rem;
    background: transparent;
    border: none;
}

.nav-toggle span {
    width: 25px;
    height: 2px;
    background-color: var(--text-white);
    transition: all 0.3s ease;
}

@media (max-width: 768px) {
    .nav-toggle {
        display: flex;
    }

    .nav-logo img {
        height: 120px;
    }

    .nav-links {
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background-color: var(--primary-dark);
        flex-direction: column;
        padding: 2rem;
        gap: 1.5rem;
        transform: translateY(-100%);
        opacity: 0;
        visibility: hidden;
        transition: all 0.3s ease;
        border-bottom: 1px solid var(--border-color);
    }

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

    .nav-cta {
        margin-left: 0;
        margin-top: 1rem;
    }
}

/* Hero Section */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    position: relative;
    padding-top: 80px;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background:
        radial-gradient(ellipse 80% 50% at 20% 40%, rgba(14, 165, 233, 0.2) 0%, transparent 50%),
        radial-gradient(ellipse 60% 80% at 80% 20%, rgba(34, 211, 238, 0.15) 0%, transparent 45%),
        radial-gradient(ellipse 70% 60% at 70% 90%, rgba(14, 165, 233, 0.12) 0%, transparent 50%),
        radial-gradient(ellipse 50% 40% at 5% 80%, rgba(34, 211, 238, 0.08) 0%, transparent 40%);
    pointer-events: none;
}

.hero > .container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    align-items: center;
    gap: 3rem;
}

.hero-content {
    position: relative;
    z-index: 1;
    max-width: 600px;
}

.hero-tagline {
    font-size: 1rem;
    font-weight: 600;
    color: var(--accent-blue);
    text-transform: uppercase;
    letter-spacing: 3px;
    margin-bottom: 1rem;
}

.hero h1 {
    margin-bottom: 1.5rem;
}

.hero h1 .highlight {
    color: var(--accent-blue);
    font-style: italic;
}

.hero p {
    font-size: 1.25rem;
    margin-bottom: 2rem;
    max-width: 550px;
}

.hero-buttons {
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
}

.hero-decoration {
    position: relative;
    opacity: 0.4;
    width: 100%;
    max-width: 500px;
    z-index: 1;
    justify-self: center;
}

@media (max-width: 992px) {
    .hero > .container {
        grid-template-columns: 1fr;
        text-align: center;
    }

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

    .hero-decoration {
        max-width: 300px;
        margin: 2rem auto 0;
        opacity: 0.3;
    }

    .hero-buttons {
        justify-content: center;
    }
}

/* Section Styles */
.section {
    padding: var(--section-padding);
    position: relative;
}

.section-dark {
    background-color: var(--secondary-dark);
}

.section-header {
    text-align: center;
    max-width: 700px;
    margin: 0 auto 4rem;
}

.section-header .tagline {
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--accent-blue);
    text-transform: uppercase;
    letter-spacing: 2px;
    margin-bottom: 0.75rem;
}

/* Services Cards */
.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
}

.service-card {
    background: rgba(17, 24, 39, 0.7);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border: 1px solid rgba(14, 165, 233, 0.1);
    border-radius: 16px;
    padding: 2.5rem;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
    overflow: hidden;
}

.service-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(90deg, var(--accent-blue), var(--accent-cyan));
    transform: scaleX(0);
    transform-origin: left;
    transition: transform 0.4s ease;
}

.service-card::after {
    content: '';
    position: absolute;
    inset: 0;
    background: radial-gradient(circle at 50% 0%, rgba(14, 165, 233, 0.1) 0%, transparent 50%);
    opacity: 0;
    transition: opacity 0.4s ease;
    pointer-events: none;
}

.service-card:hover {
    transform: translateY(-8px);
    border-color: rgba(14, 165, 233, 0.3);
    box-shadow: 0 25px 50px rgba(0, 0, 0, 0.4), 0 0 30px rgba(14, 165, 233, 0.1);
}

.service-card:hover::before {
    transform: scaleX(1);
}

.service-card:hover::after {
    opacity: 1;
}

.service-icon {
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, var(--accent-blue) 0%, var(--accent-cyan) 100%);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 1.5rem;
}

.service-icon svg {
    width: 30px;
    height: 30px;
    stroke: white;
    fill: none;
    stroke-width: 2;
}

.service-card h3 {
    color: var(--text-white);
    margin-bottom: 1rem;
    font-size: 1.25rem;
}

.service-card p {
    color: var(--text-gray);
    font-size: 0.95rem;
    margin-bottom: 0;
}

/* Features/Stats Section */
.features {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 2rem;
    text-align: center;
}

.feature-item {
    padding: 2rem;
}

.feature-number {
    font-size: 3rem;
    font-weight: 700;
    color: var(--accent-blue);
    margin-bottom: 0.5rem;
}

.feature-label {
    font-size: 1rem;
    color: var(--text-gray);
}

/* Why Choose Section */
.why-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 3rem;
    align-items: center;
}

.why-content h2 {
    margin-bottom: 1.5rem;
}

.why-list {
    display: flex;
    flex-direction: column;
    gap: 1.25rem;
}

.why-item {
    display: flex;
    align-items: flex-start;
    gap: 1rem;
}

.why-item-icon {
    flex-shrink: 0;
    width: 24px;
    height: 24px;
    color: var(--accent-blue);
}

.why-item p {
    margin-bottom: 0;
}

/* About Section */
.about-content {
    max-width: 800px;
    margin: 0 auto;
    text-align: center;
}

.about-content p {
    font-size: 1.125rem;
    line-height: 1.8;
}

/* Contact Section */
.contact-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 4rem;
    align-items: start;
}

.contact-info h3 {
    margin-bottom: 1.5rem;
}

.contact-item {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-bottom: 1.5rem;
}

.contact-item-icon {
    width: 50px;
    height: 50px;
    background: rgba(14, 165, 233, 0.1);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.contact-item-icon svg {
    width: 24px;
    height: 24px;
    stroke: var(--accent-blue);
    fill: none;
    stroke-width: 2;
}

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

.contact-item-text a:hover {
    text-decoration: underline;
}

.contact-cta {
    background: linear-gradient(135deg, var(--secondary-dark) 0%, rgba(31, 41, 55, 0.8) 100%);
    border: 1px solid var(--border-color);
    border-radius: 16px;
    padding: 3rem;
    text-align: center;
}

.contact-cta h3 {
    margin-bottom: 1rem;
}

.contact-cta p {
    margin-bottom: 2rem;
}

/* CTA Section */
.cta-section {
    background: linear-gradient(135deg, var(--accent-blue-dark) 0%, var(--secondary-dark) 100%);
    text-align: center;
    position: relative;
    overflow: hidden;
}

.cta-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('images/isotype.png') no-repeat center center;
    background-size: 300px;
    opacity: 0.05;
    pointer-events: none;
}

.cta-section .container {
    position: relative;
    z-index: 1;
}

.cta-section h2 {
    margin-bottom: 1rem;
}

.cta-section p {
    font-size: 1.125rem;
    max-width: 600px;
    margin: 0 auto 2rem;
}

/* Footer */
.footer {
    background-color: var(--secondary-dark);
    padding: 4rem 0 2rem;
    border-top: 1px solid var(--border-color);
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 3rem;
    margin-bottom: 3rem;
}

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

.footer-logo {
    height: 120px;
    width: auto;
    margin-bottom: 1rem;
}

.footer-brand p {
    color: var(--text-gray);
    font-size: 0.95rem;
}

.footer-links h4 {
    color: var(--text-white);
    font-size: 1rem;
    margin-bottom: 1.25rem;
    font-weight: 600;
}

.footer-links ul {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.footer-links a {
    color: var(--text-gray);
    font-size: 0.95rem;
    transition: color 0.3s ease;
}

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

.footer-bottom {
    padding-top: 2rem;
    border-top: 1px solid var(--border-color);
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 1rem;
}

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

/* Page Header (for inner pages) */
.page-header {
    padding: 16rem 0 5rem;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.page-header::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background:
        radial-gradient(ellipse 100% 80% at 50% 0%, rgba(14, 165, 233, 0.18) 0%, transparent 50%),
        radial-gradient(ellipse 60% 50% at 10% 30%, rgba(34, 211, 238, 0.1) 0%, transparent 40%),
        radial-gradient(ellipse 60% 50% at 90% 50%, rgba(14, 165, 233, 0.08) 0%, transparent 40%);
    pointer-events: none;
}

.page-header .container {
    position: relative;
    z-index: 1;
}

.page-header h1 {
    margin-bottom: 1rem;
}

.page-header p {
    font-size: 1.25rem;
    max-width: 600px;
    margin: 0 auto;
}

/* Service Detail Cards */
.service-detail {
    background: linear-gradient(135deg, var(--secondary-dark) 0%, rgba(31, 41, 55, 0.5) 100%);
    border: 1px solid var(--border-color);
    border-radius: 16px;
    padding: 3rem;
    margin-bottom: 2rem;
}

.service-detail h3 {
    color: var(--accent-blue);
    margin-bottom: 1rem;
}

.service-detail ul {
    margin-top: 1.5rem;
    padding-left: 0;
}

.service-detail li {
    position: relative;
    padding-left: 1.5rem;
    margin-bottom: 0.75rem;
    color: var(--text-gray-light);
}

.service-detail li::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0.6em;
    width: 6px;
    height: 6px;
    background-color: var(--accent-blue);
    border-radius: 50%;
}

/* Utilities */
.text-center {
    text-align: center;
}

.text-accent {
    color: var(--accent-blue);
}

.mb-0 {
    margin-bottom: 0;
}

.mt-2 {
    margin-top: 2rem;
}

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

.animate-fade-in-up {
    animation: fadeInUp 0.6s ease-out forwards;
}

/* Responsive adjustments */
@media (max-width: 768px) {
    :root {
        --section-padding: 3rem 0;
    }

    .hero {
        min-height: auto;
        padding: 10rem 0 4rem;
    }

    .hero-buttons {
        flex-direction: column;
        align-items: center;
    }

    .footer-logo {
        height: 100px;
    }

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

    .contact-grid {
        gap: 2rem;
    }

    .page-header {
        padding: 10rem 0 3rem;
    }
}