/* RESET & CORE */
html { scroll-behavior: smooth; }
body { background-color: #0a192f; color: #8892b0; font-family: 'Inter', sans-serif; margin: 0; overflow-x: hidden; -webkit-font-smoothing: antialiased; }

/* NAV */
header { position: fixed; top: 0; width: 100%; padding: 20px 0; background-color: rgba(10, 25, 47, 0.95); z-index: 1000; }
.nav-container { display: flex; justify-content: space-between; max-width: 1200px; margin: 0 auto; padding: 0 50px; }
nav a { text-decoration: none; color: #ccd6f6; margin-right: 30px; font-size: 0.9rem; transition: color 0.2s; }
nav a:hover, .nav-right a:hover { color: #64ffda; }
.nav-right a { color: #ccd6f6; font-size: 1.3rem; margin-left: 20px; }
.highlight { color: #64ffda; }

/* SCROLL REVEAL */
.reveal {
    opacity: 0;
    transform: translateY(30px);
    transition: all 0.8s ease-out;
}
.reveal.active {
    opacity: 1;
    transform: translateY(0);
}

/* HERO SECTION - NO IMAGE */
.hero { height: 100vh; display: flex; align-items: center; justify-content: center; }
.hero-layout { display: flex; align-items: flex-start; flex-direction: column; max-width: 1100px; padding: 0 50px; width: 100%; }

.hero-content { width: 100%; }

.typing-wrapper { display: inline-flex; align-items: center; position: relative; margin-bottom: 15px; }
.typing-text { font-size: 4rem; color: #ccd6f6; margin: 0; overflow: hidden; white-space: nowrap; width: 0; will-change: width; animation: typing 1.5s steps(20, end) forwards; }
.cursor { display: inline-block; width: 4px; height: 3.5rem; background-color: #64ffda; margin-left: 0; will-change: opacity; animation: smoothFade 1.2s ease-in-out infinite; }

@keyframes typing { from { width: 0; } to { width: 450px; } }
@keyframes smoothFade { 0%, 100% { opacity: 0; } 50% { opacity: 1; } }

.hero-sub { opacity: 0; transform: translateY(10px); animation: fadeIn 0.8s ease forwards 1.6s; max-width: 600px; line-height: 1.6; font-size: 1.2rem; }

/* DECORATION */
.btn-say-hi { display: inline-block; padding: 12px 24px; border: 1px solid #64ffda; color: #64ffda; text-decoration: none; border-radius: 4px; margin-top: 20px; transition: background 0.3s; }
.btn-say-hi:hover { background: rgba(100, 255, 218, 0.1); }

/* SECTIONS */
.section-container { padding: 100px 15%; min-height: 50vh; }
.section-title { color: #64ffda; font-size: 2rem; margin-bottom: 30px; }

/* ABOUT ME STYLING */
.about-content { max-width: 750px; line-height: 1.8; font-size: 1.1rem; }
.about-content p { margin-bottom: 25px; }
.about-content strong { color: #ccd6f6; font-weight: 600; }

@keyframes fadeIn { to { opacity: 1; transform: translateY(0); } from { opacity: 0; transform: translateY(15px); } }

/* TABS SYSTEM */
.wrapper { display: flex; gap: 40px; margin-top: 30px; }
.tab-list { display: flex; flex-direction: column; border-left: 2px solid #233554; min-width: 180px; }
.tab-link { background: none; border: none; color: #8892b0; padding: 15px; text-align: left; font-family: inherit; cursor: pointer; border-left: 2px solid transparent; margin-left: -2px; transition: 0.3s; }
.tab-link:hover { color: #64ffda; background: rgba(100, 255, 218, 0.05); }
.tab-link.active { color: #64ffda; border-left: 2px solid #64ffda; background: rgba(100, 255, 218, 0.05); }

.tab-content { display: none; width: 100%; animation: tabFade 0.4s ease; }
@keyframes tabFade { from { opacity: 0; } to { opacity: 1; } }

.date { font-size: 0.8rem; margin: 10px 0; color: #ccd6f6; }
.list { list-style: none; padding: 0; }
.list li { margin-bottom: 12px; line-height: 1.6; position: relative; padding-left: 25px; }
.list li::before { content: "▹"; color: #64ffda; position: absolute; left: 0; }
.project-img { width: 100%; max-width: 350px; border-radius: 4px; margin: 20px 0; border: 1px solid #233554; }

.footer { text-align: center; padding: 60px 0; font-size: 0.85rem; color: #8892b0; }

/* MOBILE RESPONSIVE */
@media (max-width: 768px) {
    .typing-text { font-size: 2.5rem; }
    @keyframes typing { from { width: 0; } to { width: 280px; } }
}