/* ============================================================
   CT Corp — Shared Stylesheet
   Common styles for header, footer, animations, responsive
   Loaded by every page on the site.
   ============================================================ */

/* --- CSS Variables (Dark Theme) --- */
:root {
    --primary-glow-color: #00e5ff;
    --secondary-glow-color: #8E44AD;
    --dark-bg: #000000;
    --text-color: #EAEAEA;
    --text-secondary-color: #A0A0A0;
    --font-family: 'Rajdhani', sans-serif;
    --card-bg: rgba(14, 23, 33, 0.8);
}

/* --- Reset --- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }

body {
    font-family: var(--font-family);
    line-height: 1.6;
    background-color: var(--dark-bg);
    color: var(--text-color);
    overflow-x: hidden;
}

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

@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

@keyframes scaleIn {
    from { opacity: 0; transform: scale(0.85); }
    to { opacity: 1; transform: scale(1); }
}

@keyframes slideInLeft {
    from { opacity: 0; transform: translateX(-40px); }
    to { opacity: 1; transform: translateX(0); }
}

@keyframes slideInRight {
    from { opacity: 0; transform: translateX(40px); }
    to { opacity: 1; transform: translateX(0); }
}

@keyframes glowPulse {
    0%, 100% { box-shadow: 0 0 5px var(--primary-glow-color); }
    50% { box-shadow: 0 0 20px var(--primary-glow-color), 0 0 40px rgba(0, 229, 255, 0.3); }
}

@keyframes float {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-10px); }
}

.animated-section,
.feature-item,
.tech-card,
.project-card,
.blueprint-step,
.team-card {
    opacity: 0;
    transition: opacity 0.7s ease-out, transform 0.7s ease-out;
}

.animated-section.is-visible,
.feature-item.is-visible,
.tech-card.is-visible,
.project-card.is-visible,
.blueprint-step.is-visible,
.team-card.is-visible {
    opacity: 1;
    animation: fadeInUp 0.8s forwards;
}

.animated-left {
    opacity: 0;
    transform: translateX(-40px);
    transition: opacity 0.7s ease-out, transform 0.7s ease-out;
}
.animated-left.is-visible {
    opacity: 1;
    transform: translateX(0);
}

.animated-right {
    opacity: 0;
    transform: translateX(40px);
    transition: opacity 0.7s ease-out, transform 0.7s ease-out;
}
.animated-right.is-visible {
    opacity: 1;
    transform: translateX(0);
}

/* --- Header & Navigation --- */
.main-header {
    background-color: rgba(0, 0, 0, 0.7);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    padding: 1rem 5%;
    position: sticky;
    top: 0;
    z-index: 1000;
    border-bottom: 1px solid rgba(0, 229, 255, 0.2);
    transition: background-color 0.3s ease;
}

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

.logo {
    text-decoration: none;
    display: flex;
    align-items: center;
}

.logo img {
    max-height: 45px;
    width: auto;
    display: block;
    transition: filter 0.3s ease;
}

.logo img:hover {
    filter: brightness(1.2) drop-shadow(0 0 8px rgba(0, 229, 255, 0.5));
}

.nav-links {
    display: flex;
    list-style: none;
    align-items: center;
}

.nav-links li {
    margin-left: 2rem;
}

.nav-links a {
    text-decoration: none;
    color: var(--text-color);
    font-weight: 600;
    font-size: 1.1rem;
    transition: color 0.3s ease, text-shadow 0.3s ease;
    position: relative;
}

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

.nav-links a:hover {
    color: var(--primary-glow-color);
    text-shadow: 0 0 8px var(--primary-glow-color);
}

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

.cta-nav {
    display: block;
    background-color: transparent;
    color: var(--primary-glow-color);
    padding: 0.5rem 1.5rem;
    border-radius: 5px;
    text-decoration: none;
    font-weight: 600;
    border: 2px solid var(--primary-glow-color);
    transition: all 0.3s ease;
    font-size: 1rem;
}

.cta-nav:hover {
    background-color: var(--primary-glow-color);
    color: var(--dark-bg);
    box-shadow: 0 0 15px var(--primary-glow-color);
}

.hamburger {
    display: none;
    cursor: pointer;
    background: none;
    border: none;
    z-index: 1001;
    padding: 5px;
}

.hamburger span {
    display: block;
    width: 25px;
    height: 3px;
    margin: 5px 0;
    background-color: var(--text-color);
    transition: all 0.3s ease-in-out;
    border-radius: 2px;
}

.hamburger.active span:nth-child(1) {
    transform: rotate(45deg) translate(5px, 6px);
}

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

.hamburger.active span:nth-child(3) {
    transform: rotate(-45deg) translate(5px, -6px);
}

/* --- Footer --- */
.main-footer {
    background-color: #0A0A0A;
    color: var(--text-secondary-color);
    padding: 3rem 5%;
    border-top: 1px solid rgba(0, 229, 255, 0.2);
}

.footer-content {
    display: flex;
    justify-content: space-between;
    gap: 2rem;
    padding-bottom: 2rem;
    flex-wrap: wrap;
}

.footer-section {
    flex: 1;
    min-width: 200px;
}

.footer-section h3 {
    color: var(--text-color);
    margin-bottom: 1rem;
    font-size: 1.2rem;
}

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

.footer-section ul li {
    margin-bottom: 0.5rem;
}

.footer-section a {
    color: var(--text-secondary-color);
    text-decoration: none;
    transition: color 0.3s ease;
}

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

.footer-logo img {
    max-height: 45px;
    opacity: 0.7;
    transition: opacity 0.3s ease;
}

.footer-logo img:hover {
    opacity: 1;
}

.footer-bottom {
    text-align: center;
    padding-top: 2rem;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    font-size: 0.9rem;
}

/* --- Common Section Styles --- */
.page-hero {
    padding: 6rem 5% 4rem;
    text-align: center;
}

.page-hero h1 {
    font-size: 3.5rem;
    color: var(--primary-glow-color);
    text-shadow: 0 0 10px var(--primary-glow-color);
    margin-bottom: 1rem;
}

.page-hero p {
    font-size: 1.3rem;
    color: var(--text-secondary-color);
    max-width: 800px;
    margin: 0 auto;
}

section {
    padding: 5rem 5%;
    text-align: center;
}

section h2 {
    font-size: 3rem;
    margin-bottom: 1rem;
    text-transform: uppercase;
    letter-spacing: 2px;
    color: var(--primary-glow-color);
    text-shadow: 0 0 8px rgba(0, 229, 255, 0.7);
}

.section-subtitle {
    max-width: 700px;
    margin: 0 auto 3rem auto;
    color: var(--text-secondary-color);
    font-size: 1.2rem;
}

/* --- CTA Buttons --- */
.cta-primary,
.cta-secondary {
    padding: 1rem 2rem;
    border-radius: 5px;
    text-decoration: none;
    font-weight: 700;
    font-size: 1.1rem;
    transition: all 0.3s ease;
    letter-spacing: 1px;
    display: inline-block;
}

.cta-primary {
    background-color: var(--primary-glow-color);
    color: var(--dark-bg);
    border: 2px solid var(--primary-glow-color);
}

.cta-primary:hover {
    background-color: transparent;
    color: var(--primary-glow-color);
    box-shadow: 0 0 20px var(--primary-glow-color);
}

.cta-secondary {
    background-color: transparent;
    color: var(--text-color);
    border: 2px solid var(--text-color);
}

.cta-secondary:hover {
    background-color: var(--text-color);
    color: var(--dark-bg);
}

.cta-button {
    background-color: var(--primary-glow-color);
    color: var(--dark-bg);
    padding: 0.8rem 2rem;
    border-radius: 5px;
    text-decoration: none;
    font-weight: 700;
    border: 2px solid var(--primary-glow-color);
    transition: all 0.3s ease;
    display: inline-block;
}

.cta-button:hover {
    background-color: transparent;
    color: var(--primary-glow-color);
    box-shadow: 0 0 15px var(--primary-glow-color);
}

/* --- Feature Grid --- */
.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
}

.feature-item {
    background: var(--card-bg);
    padding: 2rem;
    border: 1px solid rgba(0, 229, 255, 0.2);
    border-radius: 10px;
    transition-property: opacity, transform, box-shadow, border-color;
}

.feature-item:hover {
    transform: translateY(-10px) !important;
    box-shadow: 0 0 20px rgba(0, 229, 255, 0.4);
}

.feature-item .icon {
    width: 50px;
    height: 50px;
    margin-bottom: 1.5rem;
    color: var(--primary-glow-color);
}

.feature-item h3 {
    font-size: 1.5rem;
    margin-bottom: 0.5rem;
    color: var(--text-color);
}

.feature-item p {
    color: var(--text-secondary-color);
}

/* --- Responsive --- */
@media (max-width: 768px) {
    .nav-links,
    .cta-nav {
        display: none;
    }

    .nav-links.active {
        display: flex;
        flex-direction: column;
        position: absolute;
        top: 70px;
        left: 0;
        width: 100%;
        background: rgba(0, 0, 0, 0.95);
        backdrop-filter: blur(5px);
        text-align: center;
        padding: 1rem 0;
        border-bottom: 1px solid rgba(0, 229, 255, 0.2);
    }

    .nav-links.active li {
        margin: 1rem 0;
    }

    .hamburger {
        display: block;
    }

    section h2 {
        font-size: 2.2rem;
    }

    .page-hero h1 {
        font-size: 2.5rem;
    }

    .page-hero {
        padding: 5rem 5% 3rem;
    }

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

@media (max-width: 480px) {
    .main-header {
        padding: 0.8rem 4%;
    }

    section {
        padding: 3rem 4%;
    }
}

/* --- Utility Classes --- */
.text-glow {
    text-shadow: 0 0 10px var(--primary-glow-color);
}

.border-glow {
    border: 1px solid rgba(0, 229, 255, 0.3);
    box-shadow: 0 0 15px rgba(0, 229, 255, 0.1);
}

/* --- Scrollbar (Webkit) --- */
::-webkit-scrollbar {
    width: 8px;
}

::-webkit-scrollbar-track {
    background: var(--dark-bg);
}

::-webkit-scrollbar-thumb {
    background: rgba(0, 229, 255, 0.3);
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: rgba(0, 229, 255, 0.5);
}

/* --- Selection --- */
::selection {
    background: rgba(0, 229, 255, 0.3);
    color: #fff;
}