/* FILENAME: style.css */
:root { /* --- Deep Space Theme (Default Dark) --- */ --bg-color: #0d1117;--primary-gradient: linear-gradient(45deg, #7C3AED, #7C3AED);--primary-color: #7C3AED;--glow-color: rgba(225, 0, 255, 0.4);--text-color: #c9d1d9;--text-muted: #8b949e;--card-bg: rgba(22, 27, 34, 0.65);--card-border: rgba(48, 54, 61, 0.8);--card-hover-border: rgba(183, 0, 255, 0.6);--card-shadow: rgba(0, 0, 0, 0.5);--navbar-bg: rgba(13, 17, 23, 0.75);--input-bg: #0d1117;--accent-color: #ff3b81;--accent-glow-color: rgba(255, 59, 129, 0.4);--success-color: #28a745;--error-color: #dc3545;--transition-speed: 0.4s; }
.light-theme { /* --- Solaris Theme (Light) --- */ --bg-color: #f8f9fa;--primary-gradient: linear-gradient(45deg, #ff8c00, #ffa500);--primary-color: #ff8c00;--glow-color: rgba(255, 140, 0, 0.3);--text-color: #212529;--text-muted: #6c757d;--card-bg: rgba(255, 255, 255, 0.7);--card-border: #e9ecef;--card-hover-border: #ff8c00;--card-shadow: rgba(0, 0, 0, 0.08);--navbar-bg: rgba(255, 255, 255, 0.75);--input-bg: #ffffff;--accent-color: #7C3AED;--accent-glow-color: rgba(255, 0, 234, 0.4); }
* { box-sizing: border-box; margin: 0; padding: 0; } html { scroll-behavior: smooth; } body { font-family: 'Poppins', sans-serif; background-color: var(--bg-color); color: var(--text-color); line-height: 1.6; overflow-x: hidden; transition: background-color var(--transition-speed), color var(--transition-speed); cursor: none; }

/* --- BACKGROUND & CURSOR --- */
#background-animation { position: fixed; width: 100%; height: 100%; top: 0; left: 0; z-index: -1; background-color: var(--bg-color); overflow: hidden; } .light-theme #background-animation { opacity: 0; } @keyframes move-stars { from { transform: translateY(0px); } to { transform: translateY(-2000px); } }
#stars1 { position: absolute; top: 0; left: 0; right: 0; bottom: 0; width: 100%; height: 100%; display: block; background: transparent url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" width="2000" height="2000"><circle fill="%23FFF" cx="100" cy="100" r="1.5"/><circle fill="%23FFF" cx="350" cy="420" r="1"/><circle fill="%23FFF" cx="600" cy="800" r="1.2"/><circle fill="%23FFF" cx="900" cy="200" r="1"/><circle fill="%23FFF" cx="1200" cy="600" r="1.1"/><circle fill="%23FFF" cx="1500" cy="900" r="1.3"/><circle fill="%23FFF" cx="1800" cy="300" r="0.8"/></svg>') no-repeat; animation: move-stars 200s linear infinite; }
#stars2 { position: absolute; top: 0; left: 0; right: 0; bottom: 0; width: 100%; height: 100%; display: block; background: transparent url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" width="2000" height="2000"><circle fill="%23FFF" cx="200" cy="500" r="1"/><circle fill="%23FFF" cx="500" cy="100" r="0.8"/><circle fill="%23FFF" cx="800" cy="700" r="1"/><circle fill="%23FFF" cx="1100" cy="300" r="1.2"/><circle fill="%23FFF" cx="1400" cy="850" r="0.9"/><circle fill="%23FFF" cx="1700" cy="150" r="1.1"/><circle fill="%23FFF" cx="1900" cy="950" r="1"/></svg>') no-repeat; animation: move-stars 150s linear infinite; }
#stars3 { position: absolute; top: 0; left: 0; right: 0; bottom: 0; width: 100%; height: 100%; display: block; background: transparent url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" width="2000" height="2000"><circle fill="%23FFF" cx="300" cy="300" r="0.7"/><circle fill="%23FFF" cx="650" cy="650" r="0.9"/><circle fill="%23FFF" cx="950" cy="50" r="1.1"/><circle fill="%23FFF" cx="1250" cy="750" r="0.6"/><circle fill="%23FFF" cx="1550" cy="400" r="1"/><circle fill="%23FFF" cx="1850" cy="800" r="0.8"/></svg>') no-repeat; animation: move-stars 100s linear infinite; }
.cursor-dot, .cursor-outline { pointer-events: none; position: fixed; top: 50%; left: 50%; border-radius: 50%; z-index: 9999; transform: translate(-50%, -50%); transition: opacity 0.3s, transform 0.3s; }
.cursor-dot { width: 8px; height: 8px; background-color: var(--primary-color); }
.cursor-outline { width: 40px; height: 40px; background-color: transparent; border: 2px solid var(--primary-color); opacity: 0.5; }
.cursor-outline.cursor-hover { transform: translate(-50%, -50%) scale(1.5); opacity: 1; }
.light-theme .cursor-dot { background-color: var(--primary-color); }
.light-theme .cursor-outline { border-color: var(--primary-color); }

/* --- LAYOUT & NAVIGATION --- */
.page-container { max-width: 1200px; margin: 0 auto; padding: 0 20px; } .top-navbar { position: sticky; top: 0; width: 100%; display: flex; justify-content: space-between; align-items: center; padding: 1rem 5%; background-color: var(--navbar-bg); backdrop-filter: blur(12px); -webkit-backdrop-filter: blur(12px); border-bottom: 1px solid var(--card-border); z-index: 1000; }
.logo { font-size: 2rem; font-weight: 700; color: var(--primary-color); text-decoration: none; }
.nav-links { list-style: none; display: flex; gap: 1.5rem; } .nav-links a { color: var(--text-muted); text-decoration: none; font-weight: 500; padding: 0.5rem 0.2rem; transition: color 0.3s; position: relative; } .nav-links a:hover { color: var(--primary-color); } .nav-links a::after { content: ''; position: absolute; bottom: -4px; left: 0; width: 0; height: 2px; background: var(--primary-gradient); transition: width 0.4s cubic-bezier(0.23, 1, 0.32, 1); } .nav-links a:hover::after { width: 100%; }
.header-controls { display: flex; align-items: center; gap: 1rem; } .theme-toggle-btn { background: none; border: 1px solid var(--text-muted); color: var(--text-muted); width: 40px; height: 40px; border-radius: 50%; font-size: 1.2rem; display: flex; align-items: center; justify-content: center; transition: all 0.3s; } .theme-toggle-btn:hover { color: var(--primary-color); border-color: var(--primary-color); transform: scale(1.1); }

/* --- HERO SECTION --- */
.hero-section { min-height: 90vh; display: flex; align-items: center; justify-content: center; text-align: center; padding: 4rem 2rem; }
.hero-content { padding: 3rem; border-radius: 20px; transition: transform 0.2s ease-out; }
.hero-content h1 { font-size: clamp(2.8rem, 6vw, 4.8rem); margin-bottom: 1.5rem; color: var(--text-color); font-weight: 700; letter-spacing: 1px; }
.hero-content p { font-size: clamp(1.1rem, 2.5vw, 1.4rem); max-width: 700px; margin: 0 auto 2.5rem auto; color: var(--text-muted); }
.hero-buttons { display: flex; justify-content: center; gap: 1.5rem; }
.btn { border: none; padding: 12px 28px; border-radius: 8px; font-weight: 600; transition: all 0.3s ease-out; background: var(--primary-gradient); color: #0d1117; text-decoration: none; display: inline-flex; align-items: center; justify-content: center; gap: 0.5rem; box-shadow: 0 4px 15px var(--glow-color); } .btn:hover { filter: brightness(1.1); transform: scale(1.05) translateY(-2px); }
.btn-secondary { background: transparent; color: var(--primary-color); border: 2px solid var(--primary-color); box-shadow: none; } .btn-secondary:hover { background: var(--primary-color); color: var(--bg-color); box-shadow: 0 4px 15px var(--glow-color); } .light-theme .btn, .light-theme .btn-secondary:hover { color: #fff; }

/* --- GENERAL SECTION & CARD STYLING --- */
.section { padding: 6rem 0; opacity: 0; transform: translateY(40px); transition: opacity 0.8s ease-out, transform 0.8s ease-out; } .section.is-visible { opacity: 1; transform: translateY(0); }
.section-title { text-align: center; font-size: clamp(2rem, 5vw, 3rem); color: var(--text-color); margin-bottom: 4rem; font-weight: 600; } .section-title span { color: var(--primary-color); }
.card-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(320px, 1fr)); gap: 2.5rem; }
.card { background: var(--card-bg); border: 1px solid var(--card-border); border-radius: 18px; transform-style: preserve-3d; position: relative; box-shadow: 0 10px 30px var(--card-shadow); overflow: hidden; backdrop-filter: blur(8px); -webkit-backdrop-filter: blur(8px); padding: 2.5rem 2rem; }
.tilt-card { transition: transform 0.1s linear; }
.card-link { text-decoration: none; }
.card-content { height: 100%; display: flex; flex-direction: column; justify-content: flex-start; align-items: center; text-align: center; color: var(--text-color); }
.card-icon { font-size: 3rem; color: var(--primary-color); margin-bottom: 1.5rem; transition: all 0.3s; } .card:hover .card-icon { transform: scale(1.1); filter: drop-shadow(0 0 10px var(--glow-color)); }
.card h3 { font-size: 1.5rem; margin-bottom: 0.8rem; color: var(--text-color); } .card p { font-size: 0.95rem; flex-grow: 1; color: var(--text-muted); } .card .read-more { font-weight: 600; color: var(--accent-color); margin-top: auto; padding-top: 1rem; font-size: 0.9rem; display: inline-block; transition: color 0.3s; } .card .read-more .arrow { display: inline-block; transition: transform 0.3s; } .card-link:hover .read-more { color: var(--primary-color); } .card-link:hover .read-more .arrow { transform: translateX(5px); }

/* --- EXPERTS SECTION --- */
.expert-card { padding: 2rem; } .expert-avatar { width: 120px; height: 120px; border-radius: 50%; object-fit: cover; border: 4px solid var(--primary-color); margin-bottom: 1.5rem; box-shadow: 0 0 15px var(--glow-color); }
.expert-name { font-size: 1.4rem; color: var(--text-color); margin-bottom: 0.2rem; } .expert-title { color: var(--text-muted); font-size: 1rem; margin-bottom: 1.5rem; }
.expert-socials { display: flex; gap: 1.5rem; } .expert-socials a { color: var(--text-muted); font-size: 1.2rem; transition: color 0.3s; } .expert-socials a:hover { color: var(--primary-color); }

/* --- AUTH & FORMS --- */
.form-input { width: 100%; padding: 0.8rem 1rem; border-radius: 8px; border: 1px solid var(--card-border); background: var(--input-bg); color: var(--text-color); font-family: 'Poppins', sans-serif; transition: all var(--transition-speed); font-size: 1rem; } .form-input:focus, .form-input:focus-visible { border-color: var(--primary-color); outline: none; box-shadow: 0 0 10px var(--glow-color); }
.auth-card { max-width: 500px; margin: 0 auto; padding: 2.5rem; } .auth-tabs { display: flex; justify-content: center; margin-bottom: 2rem; border-radius: 10px; background-color: rgba(0,0,0,0.2); padding: 5px; } .auth-tab { flex: 1; padding: 0.8rem; text-align: center; font-weight: 600; color: var(--text-muted); border-radius: 8px; transition: all 0.3s; } .auth-tab.active { background: var(--primary-gradient); color: #0d1117; }
.social-login-options { display: flex; flex-direction: column; gap: 1rem; margin-top: 1.5rem; width: 100%; max-width: 350px; margin-left: auto; margin-right: auto; } .social-btn { display: flex; align-items: center; justify-content: center; gap: 0.8rem; padding: 0.7rem; border-radius: 8px; text-decoration: none; font-weight: 500; border: 1px solid var(--card-border); color: var(--text-color); transition: all 0.3s; } .social-btn i { font-size: 1.2rem; } .social-btn:hover { background-color: var(--card-border); border-color: var(--primary-color); color: var(--primary-color); } .divider { text-align: center; color: var(--text-muted); position: relative; margin: 2rem 0; } .divider::before, .divider::after { content: ''; position: absolute; top: 50%; width: 40%; height: 1px; background: var(--card-border); } .divider::before { left: 0; } .divider::after { right: 0; }

/* --- CONTACT SECTION --- */
.contact-card { max-width: 900px; margin: 0 auto; }
.contact-container { display: grid; grid-template-columns: 1fr 1.2fr; gap: 3rem; align-items: center; }
.contact-info h3 { font-size: 1.8rem; color: var(--primary-color); margin-bottom: 1rem; } .contact-info p { color: var(--text-muted); margin-bottom: 2rem; }
.contact-info ul { list-style: none; } .contact-info li { display: flex; align-items: center; gap: 1rem; margin-bottom: 1rem; color: var(--text-color); } .contact-info i { color: var(--primary-color); }
.contact-form { display: flex; flex-direction: column; gap: 1rem; }

/* --- FOOTER --- */
.main-footer { background-color: #080b10; padding: 4rem 5% 2rem 5%; margin-top: 5rem; border-top: 1px solid var(--card-border); text-align: center; } .footer-content { display: grid; grid-template-columns: repeat(auto-fit, minmax(250px, 1fr)); gap: 3rem; margin-bottom: 3rem; text-align: left; } .footer-section h4 { color: var(--primary-color); margin-bottom: 1rem; } .footer-section ul { list-style: none; } .footer-section a { color: var(--text-muted); text-decoration: none; transition: color 0.3s; line-height: 2.2; } .footer-section a:hover { color: var(--primary-color); } .social-icons { display: flex; gap: 0.5rem; } .social-icons .social-btn { width: 40px; height: 40px; } .footer-bottom { border-top: 1px solid var(--card-border); padding-top: 2rem; margin-top: 2rem; font-size: 0.9rem; color: var(--text-muted); }

/* --- UTILITIES --- */
.toast-notification { position: fixed; bottom: 20px; left: 50%; transform: translate(-50%, 150%); padding: 1rem 2rem; border-radius: 8px; color: #fff; font-weight: 500; z-index: 1001; transition: transform 0.5s cubic-bezier(0.23, 1, 0.32, 1); box-shadow: 0 5px 20px rgba(0,0,0,0.3); } .toast-notification.show { transform: translate(-50%, 0); } .toast-notification.success { background-color: var(--success-color); } .toast-notification.error { background-color: var(--error-color); }

/* --- RESPONSIVENESS --- */
@media (max-width: 768px) {
    .nav-links { display: none; } /* Basic mobile nav hide, could be replaced with hamburger menu */
    .hero-content h1 { font-size: 2.2rem; }
    .hero-content p { font-size: 1rem; }
    .contact-container { grid-template-columns: 1fr; }
}