/* ===== CSS VARIABLES ===== */
:root {
  --bg: #0a0a0a;
  --bg-alt: #111111;
  --surface: #161616;
  --border: #242424;
  --text-primary: #ffffff;
  --text-secondary: #ffc489;
  --text-muted: #ffffff;
  --accent: #ffc489;
  --accent-dim: rgba(200,169,110,0.12);
  --accent-hover: #dbbf84;
  --white: #ffffff;
  --font-display: 'Playfair Display', Georgia, serif;
  --font-body: 'DM Sans', sans-serif;
  --font-mono: 'DM Mono', monospace;
  --nav-h: 68px;
  --radius: 4px;
  --transition: 0.3s cubic-bezier(0.4,0,0.2,1);
}

/* ===== RESET ===== */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  background: var(--bg);
  color: var(--text-primary);
  font-family: var(--font-body);
  font-weight: 300;
  line-height: 1.7;
  overflow-x: hidden;
}
a { text-decoration: none; color: inherit; }
ul { list-style: none; }
img { display: block; max-width: 100%; }

/* ===== SCROLLBAR ===== */
::-webkit-scrollbar { width: 4px; }
::-webkit-scrollbar-track { background: var(--bg); }
::-webkit-scrollbar-thumb { background: var(--accent); border-radius: 2px; }

/* ===== NAVBAR ===== */
#navbar {
  position: fixed;
  top: 0; left: 0; right: 0;
  height: var(--nav-h);
  z-index: 100;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 3rem;
  background: transparent;
  border-bottom: 1px solid transparent;
  transition: background var(--transition), border-color var(--transition), backdrop-filter var(--transition);
}
#navbar.scrolled {
  background: rgba(10,10,10,0.92);
  border-bottom-color: var(--border);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
}
.nav-logo {
  font-family: var(--font-display);
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--text-primary);
  letter-spacing: -0.02em;
}
.logo-img {
    height: 40px;   /* adjust as needed */
    width: 40px;    /* keep square for .ico */
    object-fit: contain;
}
.nav-logo .dot { color: var(--accent); }
.nav-links {
  display: flex;
  gap: 2.2rem;
  align-items: center;
}
.nav-links a {
  font-size: 0.78rem;
  font-weight: 500;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text-secondary);
  transition: color var(--transition);
  position: relative;
}
.nav-links a::after {
  content: '';
  position: absolute;
  bottom: -3px; left: 0;
  width: 0; height: 1px;
  background: var(--accent);
  transition: width var(--transition);
}
.nav-links a:hover { color: var(--text-primary); }
.nav-links a:hover::after { width: 100%; }

/* Hamburger */
.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
}
.hamburger span {
  display: block;
  width: 24px; height: 1.5px;
  background: var(--text-primary);
  transition: var(--transition);
}
.hamburger.open span:nth-child(1) { transform: translateY(6.5px) rotate(45deg); }
.hamburger.open span:nth-child(2) { opacity: 0; }
.hamburger.open span:nth-child(3) { transform: translateY(-6.5px) rotate(-45deg); }

/* Mobile nav */
.mobile-menu {
  display: none;
  position: fixed;
  top: var(--nav-h); left: 0; right: 0;
  background: rgba(10,10,10,0.97);
  backdrop-filter: blur(20px);
  z-index: 99;
  padding: 2rem 3rem;
  flex-direction: column;
  gap: 1.5rem;
  border-bottom: 1px solid var(--border);
}
.mobile-menu.open { display: flex; }
.mobile-menu a {
  font-size: 0.9rem;
  font-weight: 500;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--text-secondary);
  transition: color var(--transition);
}
.mobile-menu a:hover { color: var(--accent); }

/* ===== BUTTONS ===== */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.65rem 1.4rem;
  border-radius: var(--radius);
  font-family: var(--font-body);
  font-size: 0.8rem;
  font-weight: 500;
  letter-spacing: 0.06em;
  cursor: pointer;
  transition: all var(--transition);
  border: 1px solid transparent;
}
.btn-primary {
  background: var(--accent);
  color: #0a0a0a;
  border-color: var(--accent);
}
.btn-primary:hover {
  background: var(--accent-hover);
  border-color: var(--accent-hover);
  transform: translateY(-1px);
  box-shadow: 0 8px 24px rgba(200,169,110,0.3);
}
.btn-secondary {
  background: transparent;
  color: var(--text-primary);
  border-color: var(--border);
}
.btn-secondary:hover {
  border-color: var(--accent);
  color: var(--accent);
  transform: translateY(-1px);
}
.btn-outline {
  background: transparent;
  color: var(--accent);
  border-color: var(--accent);
  font-size: 0.78rem;
  padding: 0.5rem 1rem;
}
.btn-outline:hover {
  background: var(--accent);
  color: #0a0a0a;
}

/* ===== HERO ===== */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  overflow: hidden;
  padding: calc(var(--nav-h) + 2rem) 3rem 3rem;
}
.hero-bg-text {
  position: absolute;
  top: 50%; left: 50%;
  transform: translate(-50%, -50%);
  font-family: var(--font-display);
  font-size: clamp(6rem, 18vw, 18rem);
  font-weight: 700;
  color: transparent;
  -webkit-text-stroke: 1px var(--border);
  white-space: nowrap;
  pointer-events: none;
  user-select: none;
  letter-spacing: -0.04em;
  opacity: 0.6;
}
.hero-content {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 4rem;
  align-items: center;
  max-width: 1100px;
  width: 100%;
  position: relative;
  z-index: 1;
}
.hero-eyebrow {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--accent);
  letter-spacing: 0.15em;
  text-transform: uppercase;
  margin-bottom: 1rem;
}
.hero-name {
  font-family: var(--font-display);
  font-size: clamp(3rem, 8vw, 6rem);
  font-weight: 700;
  line-height: 0.95;
  letter-spacing: -0.03em;
  margin-bottom: 1.5rem;
}
.outline-text {
  -webkit-text-stroke: 1.5px var(--text-primary);
  color: transparent;
}
.hero-summary {
  color: var(--text-secondary);
  font-size: 0.95rem;
  line-height: 1.8;
  max-width: 560px;
  margin-bottom: 1.5rem;
}
.hero-contact {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  margin-bottom: 2rem;
}
.hero-contact span {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--text-muted);
  letter-spacing: 0.05em;
}
.hero-cta {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
}
.hero-image-wrap {
  position: relative;
  width: 240px;
  height: 240px;
  flex-shrink: 0;
}

.hero-image-ring {
  position: absolute;
  inset: -4px;
  border-radius: 50%;
  border: 1px solid var(--accent);
  opacity: 0.4;
  animation: spin 20s linear infinite;
}
.hero-image-ring::before {
  content: '';
  position: absolute;
  top: -4px; left: 50%;
  transform: translateX(-50%);
  width: 8px; height: 8px;
  border-radius: 50%;
  background: var(--accent);
}
.hero-image-placeholder {
  display: flex;
  justify-content: center;
  align-items: center;

  width: 100%;
  height: 100%;

  border-radius: 50%;     /* makes it circular */
  overflow: hidden;       /* clips image inside circle */

  background-color: #0a0a0a;
}
.hero-image-placeholder img {
  width: 100%;
  height: 100%;
  object-fit: cover;  /* fills circle nicely */
}

@keyframes spin { to { transform: rotate(360deg); } }
.hero-image-placeholder {
  width: 100%; height: 100%;
  border-radius: 50%;
  background: var(--surface);
  border: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}
.hero-image-placeholder span {
  font-family: var(--font-display);
  font-size: 4rem;
  font-weight: 700;
  color: var(--accent);
  opacity: 0.6;
}

@keyframes float {
  0%, 100% { transform: translateX(-50%) translateY(0); }
  50% { transform: translateX(-50%) translateY(6px); }
}

/* ===== CONTAINER ===== */
.container {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 3rem;
}

/* ===== SECTIONS ===== */
.section {
  padding: 6rem 0;
}
.section-alt {
  background: var(--bg-alt);
}
.section-label {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.2em;
  color: var(--accent);
  text-transform: uppercase;
  margin-bottom: 0.6rem;
}
.section-title {
  font-family: var(--font-display);
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 600;
  letter-spacing: -0.02em;
  margin-bottom: 3rem;
  line-height: 1.1;
}

/* ===== EDUCATION ===== */
.edu-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.5rem;
}
.edu-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 2rem;
  display: flex;
  gap: 1.2rem;
  align-items: flex-start;
  transition: border-color var(--transition), transform var(--transition);
}
.edu-card:hover {
  border-color: var(--accent);
  transform: translateY(-3px);
}
.edu-icon { font-size: 1.8rem; flex-shrink: 0; }
.edu-card h3 {
  font-family: var(--font-display);
  font-size: 1.1rem;
  font-weight: 600;
  margin-bottom: 0.3rem;
}
.edu-degree {
  color: var(--text-secondary);
  font-size: 0.85rem;
  margin-bottom: 0.25rem;
}
.edu-meta {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  color: var(--text-muted);
  letter-spacing: 0.05em;
  margin-bottom: 0.8rem;
}
.edu-badge {
  display: inline-block;
  padding: 0.2rem 0.7rem;
  background: var(--font-body);
  color: var(--font-body);
  border: 1px solid var(--text-secondary);
  border-radius: 100px;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  font-weight: 500;
  letter-spacing: 0.05em;
}

/* ===== EXPERIENCE ===== */
.exp-timeline { position: relative; padding-left: 2rem; }
.exp-line {
  position: absolute;
  top: 0; left: 7px;
  width: 1px;
  height: 100%;
  background: var(--border);
}
.exp-item { position: relative; margin-bottom: 2rem; }
.exp-dot {
  position: absolute;
  left: -2rem;
  top: 1.5rem;
  width: 12px; height: 12px;
  border-radius: 50%;
  background: var(--accent);
  border: 2px solid var(--bg-alt);
  box-shadow: 0 0 0 3px var(--accent-dim);
}
.exp-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.8rem 2rem;
  transition: border-color var(--transition);
}
.exp-card:hover { border-color: var(--accent); }
.exp-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  margin-bottom: 1rem;
  flex-wrap: wrap;
  gap: 0.5rem;
}
.exp-card h3 {
  font-family: var(--font-display);
  font-size: 1.2rem;
  font-weight: 600;
}
.exp-company {
  color: var(--accent);
  font-size: 0.82rem;
  font-weight: 500;
  margin-top: 0.15rem;
}
.exp-date {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  color: var(--text-muted);
  letter-spacing: 0.08em;
  white-space: nowrap;
  margin-top: 0.3rem;
}
.exp-desc { color: var(--text-secondary); font-size: 0.9rem; }

/* ===== SKILLS ===== */
.skills-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.5rem;
}
.skill-category {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.8rem;
  transition: border-color var(--transition);
}
.skill-category:hover { border-color: var(--accent); }
.skill-category h4 {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 1rem;
}
.skill-tags { display: flex; flex-wrap: wrap; gap: 0.5rem; }
.skill-tags span {
  padding: 0.35rem 0.85rem;
  background: var(--bg);
  border: 1px solid var(--accent);
  border-radius: 25px;
  font-size: 0.8rem;
  color: var(--font-body);
  transition: all var(--transition);
  cursor: default;
}
.skill-tags span:hover {
  border-color: var(--accent);
  color: var(--accent);
  background: var(--accent-dim);
}

/* ===== PROJECTS ===== */
.projects-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.5rem;
}
.project-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 2rem;
  display: flex;
  gap: 1.5rem;
  align-items: flex-start;
  transition: border-color var(--transition), transform var(--transition);
}
.project-card:hover {
  border-color: var(--accent);
  transform: translateY(-3px);
}
.project-number {
  font-family: var(--font-display);
  font-size: 3.5rem;
  font-weight: 700;
  color: var(--border);
  line-height: 1;
  flex-shrink: 0;
  min-width: 3rem;
}
.project-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
  margin-bottom: 0.8rem;
}
.project-tags span {
  font-family: var(--font-mono);
  font-size: 0.65rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--font-body);
  border: 2px solid #0a0a0a;
  background: var(--accent-dim);
  padding: 0.15rem 0.5rem;
  border-radius: 25px;
}
.project-content h3 {
  font-family: var(--font-display);
  font-size: 1.15rem;
  font-weight: 600;
  margin-bottom: 0.6rem;
}
.project-content p {
  color: var(--text-secondary);
  font-size: 0.87rem;
  line-height: 1.7;
  margin-bottom: 1.2rem;
}

/* ===== CERTIFICATIONS ===== */
.cert-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.5rem;
}
.cert-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 2rem;
  display: flex;
  gap: 1.2rem;
  align-items: flex-start;
  transition: border-color var(--transition), transform var(--transition);
}
.cert-card:hover {
  border-color: var(--accent);
  transform: translateY(-3px);
}
.cert-icon { font-size: 1.8rem; flex-shrink: 0; }
.cert-card h4 {
  font-family: var(--font-display);
  font-size: 1.05rem;
  font-weight: 600;
  margin-bottom: 0.2rem;
}
.cert-issuer {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--accent);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  margin-bottom: 0.6rem;
}
.cert-desc {
  color: var(--text-secondary);
  font-size: 0.85rem;
  line-height: 1.7;
}

/* ===== ACHIEVEMENT ===== */
.achievement-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 3rem;
  display: flex;
  align-items: center;
  gap: 3rem;
  transition: border-color var(--transition);
}
.achievement-card:hover { border-color: var(--accent); }
.achievement-stat {
  font-family: var(--font-display);
  font-size: 6rem;
  font-weight: 700;
  color: var(--accent);
  line-height: 1;
  white-space: nowrap;
  flex-shrink: 0;
}
.achievement-stat span {
  font-size: 3rem;
  vertical-align: top;
  margin-top: 0.5rem;
  display: inline-block;
}
.achievement-desc h3 {
  font-family: var(--font-display);
  font-size: 1.6rem;
  font-weight: 600;
  margin-bottom: 0.5rem;
}
.achievement-desc p {
  color: var(--text-secondary);
  font-size: 0.9rem;
  line-height: 1.7;
}
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3rem;
  margin-top: 2rem;
}

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

.contact-item {
  margin-top: 1rem;
  opacity: 0.8;
}

#contact-form {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

#contact-form input,
#contact-form textarea {
  padding: 12px;
  border: 1px solid #333;
  background: transparent;
  color: white;
  border-radius: 6px;
}

#contact-form textarea {
  min-height: 120px;
}

@media (max-width: 768px) {
  .contact-grid {
    grid-template-columns: 1fr;
  }
}

/* ===== FOOTER ===== */
.footer {
  background: var(--bg);
  border-top: 1px solid var(--border);
  padding: 3rem 0;
  text-align: center;
}
.footer-name {
  font-family: var(--font-display);
  font-size: 1.3rem;
  font-weight: 600;
  margin-bottom: 0.3rem;
}
.footer-sub {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  color: var(--text-muted);
  letter-spacing: 0.12em;
  margin-bottom: 1.5rem;
}
.footer-links {
  display: flex;
  gap: 2rem;
  justify-content: center;
}
.footer-links a {
  font-size: 0.8rem;
  color: var(--text-secondary);
  letter-spacing: 0.06em;
  transition: color var(--transition);
}
.footer-links a:hover { color: var(--accent); }

/* ===== REVEAL ANIMATION ===== */
.reveal {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}
.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}

/* ===== RESPONSIVE ===== */
@media (max-width: 900px) {
  .edu-grid,
  .skills-grid,
  .projects-grid,
  .cert-grid { grid-template-columns: 1fr; }
  .hero-content { grid-template-columns: 1fr; text-align: center; }
  .hero-image-wrap { margin: 0 auto; }
  .hero-summary { margin: 0 auto 1.5rem; }
  .hero-contact { justify-content: center; }
  .hero-cta { justify-content: center; }
  .achievement-card { flex-direction: column; gap: 1.5rem; text-align: center; }
  .achievement-stat { font-size: 4rem; }
}
@media (max-width: 720px) {
  .nav-links { display: none; }
  .hamburger { display: flex; }
  #navbar { padding: 0 1.5rem; }
  .hero { padding: 6rem 1.5rem 3rem; }
  .container { padding: 0 1.5rem; }
  .section { padding: 4rem 0; }
  .achievement-card { padding: 2rem; }
}
@media (max-width: 480px) {
  .hero-name { font-size: 2.8rem; }
  .hero-bg-text { display: none; }
}