*, *::before, *::after { margin: 0; padding: 0; box-sizing: border-box; }

:root {
  --bg: #0A0A0F; --bg2: #0D1117; --card: #111827;
  --violet: #7C3AED; --cyan: #06B6D4;
  --vglow: rgba(124,58,237,0.15); --cglow: rgba(6,182,212,0.12);
  --t1: #F1F5F9; --t2: #94A3B8; --t3: #475569;
  --border: rgba(255,255,255,0.07); --bhover: rgba(124,58,237,0.4);
  --success: #10B981; --error: #EF4444;
}

html { scroll-behavior: smooth; }

body {
  font-family: 'Inter', sans-serif;
  background: var(--bg);
  color: var(--t1);
  overflow-x: hidden;
}

/* ORBS */
.orbs { position: fixed; inset: 0; pointer-events: none; z-index: 0; overflow: hidden; }
.orb { position: absolute; border-radius: 50%; filter: blur(80px); opacity: 0.35; animation: drift 12s ease-in-out infinite; }
.o1 { width: 500px; height: 500px; background: radial-gradient(circle,#7C3AED,transparent 70%); top: -150px; left: -150px; }
.o2 { width: 400px; height: 400px; background: radial-gradient(circle,#06B6D4,transparent 70%); bottom: 10%; right: -100px; animation-delay: -6s; }
.o3 { width: 300px; height: 300px; background: radial-gradient(circle,#7C3AED,transparent 70%); top: 50%; left: 40%; opacity: 0.15; animation-delay: -3s; }

@keyframes drift {
  0%,100% { transform: translate(0,0) scale(1); }
  33% { transform: translate(30px,-20px) scale(1.05); }
  66% { transform: translate(-20px,30px) scale(0.95); }
}

/* NAVBAR */
nav {
  position: fixed; top: 0; left: 0; right: 0; z-index: 100;
  padding: 1.25rem 4rem;
  display: flex; justify-content: space-between; align-items: center;
  background: rgba(10,10,15,0.85); backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border);
}
.logo {
  font-family: 'Space Grotesk', sans-serif; font-size: 1.25rem; font-weight: 700;
  background: linear-gradient(135deg,#7C3AED,#06B6D4);
  -webkit-background-clip: text; -webkit-text-fill-color: transparent;
  letter-spacing: -0.02em; text-decoration: none;
}
.nav-links { display: flex; gap: 2.5rem; list-style: none; }
.nav-links a {
  font-size: 0.875rem; color: var(--t2); text-decoration: none;
  letter-spacing: 0.02em; transition: color 0.25s; position: relative;
}
.nav-links a::after {
  content: ''; position: absolute; bottom: -4px; left: 0;
  width: 0; height: 1px;
  background: linear-gradient(90deg,#7C3AED,#06B6D4);
  transition: width 0.3s ease;
}
.nav-links a:hover { color: var(--t1); }
.nav-links a:hover::after { width: 100%; }
.nav-links a.active-link { color: var(--t1); }
.nav-links a.active-link::after { width: 100%; }

/* SECTIONS — all visible, full scroll */
section {
  position: relative; z-index: 1;
  min-height: 100vh;
  display: flex; flex-direction: column; justify-content: center;
  padding: 7rem 4rem 5rem;
}

/* HERO */
.hero-inner { display: grid; grid-template-columns: 1fr auto; gap: 4rem; align-items: center; }
.eyebrow { font-size: 0.8rem; letter-spacing: 0.2em; text-transform: uppercase; color: var(--cyan); margin-bottom: 1.5rem; font-weight: 500; }
.hero-name {
  font-family: 'Space Grotesk', sans-serif;
  font-size: clamp(2.8rem,6vw,5rem); font-weight: 700;
  line-height: 1.05; letter-spacing: -0.03em; margin-bottom: 1.25rem;
}
.hero-name .hl {
  background: linear-gradient(135deg,#7C3AED 0%,#06B6D4 100%);
  -webkit-background-clip: text; -webkit-text-fill-color: transparent;
}
.hero-tag { font-size: 1rem; color: var(--t2); max-width: 480px; line-height: 1.75; margin-bottom: 2rem; font-weight: 300; }
.hero-badge {
  display: inline-flex; align-items: center; gap: 0.5rem;
  padding: 0.4rem 1rem;
  background: rgba(6,182,212,0.08); border: 1px solid rgba(6,182,212,0.2); border-radius: 100px;
  font-size: 0.75rem; color: var(--cyan); margin-bottom: 1.5rem; letter-spacing: 0.05em;
}
.dot { width: 6px; height: 6px; background: var(--cyan); border-radius: 50%; animation: pulse 2s infinite; }

@keyframes pulse {
  0%,100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.5; transform: scale(0.8); }
}

.cta { display: flex; gap: 1rem; flex-wrap: wrap; margin-bottom: 2.5rem; align-items: center; }

/* BUTTONS */
.btn-p {
  padding: 0.875rem 2rem;
  background: linear-gradient(135deg,#7C3AED,#06B6D4);
  color: white; border: none; border-radius: 8px;
  font-family: 'Space Grotesk', sans-serif; font-size: 0.9rem; font-weight: 600;
  cursor: pointer; letter-spacing: 0.02em;
  transition: all 0.3s cubic-bezier(0.34,1.56,0.64,1);
  position: relative; overflow: hidden;
  display: inline-flex; align-items: center; gap: 0.5rem;
}
.btn-p::before {
  content: ''; position: absolute; inset: 0;
  background: linear-gradient(135deg,#06B6D4,#7C3AED);
  opacity: 0; transition: opacity 0.3s;
}
.btn-p:hover { transform: translateY(-3px) scale(1.03); box-shadow: 0 20px 40px rgba(124,58,237,0.35); }
.btn-p:hover::before { opacity: 1; }
.btn-p span { position: relative; z-index: 1; }
.btn-p:disabled { opacity: 0.7; cursor: not-allowed; transform: none; }

.btn-s {
  padding: 0.875rem 2rem; background: transparent; color: var(--t1);
  border: 1px solid var(--border); border-radius: 8px;
  font-family: 'Space Grotesk', sans-serif; font-size: 0.9rem; font-weight: 500;
  cursor: pointer; transition: all 0.3s cubic-bezier(0.34,1.56,0.64,1);
}
.btn-s:hover { border-color: var(--violet); background: var(--vglow); transform: translateY(-3px) scale(1.03); box-shadow: 0 10px 30px rgba(124,58,237,0.2); }

/* RESUME BUTTON */
.btn-resume {
  padding: 0.875rem 1.5rem;
  background: transparent; color: var(--t2);
  border: 1px solid var(--border); border-radius: 8px;
  font-family: 'Space Grotesk', sans-serif; font-size: 0.875rem; font-weight: 500;
  cursor: pointer; transition: all 0.3s cubic-bezier(0.34,1.56,0.64,1);
  text-decoration: none; display: inline-flex; align-items: center; gap: 0.5rem;
}
.btn-resume:hover { border-color: var(--cyan); color: var(--cyan); background: var(--cglow); transform: translateY(-3px) scale(1.03); box-shadow: 0 10px 30px rgba(6,182,212,0.15); }

/* BUTTON SPINNER */
.btn-spinner {
  width: 14px; height: 14px;
  border: 2px solid rgba(255,255,255,0.3);
  border-top-color: white;
  border-radius: 50%;
  animation: spin 0.7s linear infinite;
  display: none;
  position: relative; z-index: 1;
}
.btn-spinner.active { display: inline-block; }

@keyframes spin { to { transform: rotate(360deg); } }

/* SOCIALS */
.socials { display: flex; gap: 0.75rem; }
.social-btn {
  width: 40px; height: 40px; background: var(--card);
  border: 1px solid var(--border); border-radius: 10px;
  display: flex; align-items: center; justify-content: center;
  text-decoration: none; color: var(--t2); font-size: 1rem;
  transition: all 0.3s cubic-bezier(0.34,1.56,0.64,1);
}
.social-btn:hover { border-color: var(--violet); background: var(--vglow); color: var(--t1); transform: translateY(-4px) scale(1.1); box-shadow: 0 10px 25px rgba(124,58,237,0.25); }

/* PHOTO */
.photo-wrap { position: relative; flex-shrink: 0; }
.photo-ring {
  width: 280px; height: 280px; border-radius: 50%;
  padding: 3px; background: linear-gradient(135deg,#7C3AED,#06B6D4);
  animation: rotate-ring 8s linear infinite;
}
@keyframes rotate-ring { from { filter: hue-rotate(0deg); } to { filter: hue-rotate(360deg); } }
.photo-inner { width: 100%; height: 100%; border-radius: 50%; overflow: hidden; border: 4px solid var(--bg); }
.photo-inner img { width: 100%; height: 100%; object-fit: cover; object-position: center top; }
.photo-glow { position: absolute; inset: -20px; border-radius: 50%; background: radial-gradient(circle,rgba(124,58,237,0.2),transparent 70%); animation: glow-pulse 3s ease-in-out infinite; }
@keyframes glow-pulse { 0%,100% { opacity: 0.6; transform: scale(1); } 50% { opacity: 1; transform: scale(1.05); } }

/* SECTION COMMON */
.sec-sub { color: var(--cyan); font-size: 0.8rem; letter-spacing: 0.2em; text-transform: uppercase; margin-bottom: 0.75rem; font-weight: 500; }
.sec-title { font-family: 'Space Grotesk', sans-serif; font-size: clamp(2rem,4vw,3rem); font-weight: 700; letter-spacing: -0.03em; margin-bottom: 0.5rem; }

/* ABOUT */
.about-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 4rem; margin-top: 3rem; align-items: start; }
.about-text { font-size: 0.95rem; line-height: 1.9; color: var(--t2); font-weight: 300; }
.about-text p + p { margin-top: 1.25rem; }
.about-stats { display: grid; grid-template-columns: 1fr 1fr; gap: 1.25rem; }
.stat {
  background: var(--card); border: 1px solid var(--border); border-radius: 12px;
  padding: 1.5rem; transition: all 0.3s ease; position: relative; overflow: hidden;
}
.stat::before { content: ''; position: absolute; top: 0; left: 0; right: 0; height: 2px; background: linear-gradient(90deg,#7C3AED,#06B6D4); transform: scaleX(0); transition: transform 0.3s; }
.stat:hover { border-color: var(--bhover); transform: translateY(-4px); box-shadow: 0 20px 40px rgba(124,58,237,0.15); }
.stat:hover::before { transform: scaleX(1); }
.stat-num { font-family: 'Space Grotesk', sans-serif; font-size: 2rem; font-weight: 700; background: linear-gradient(135deg,#7C3AED,#06B6D4); -webkit-background-clip: text; -webkit-text-fill-color: transparent; }
.stat-lbl { font-size: 0.8rem; color: var(--t3); margin-top: 0.25rem; letter-spacing: 0.05em; }

/* SKILLS */
.skills-grid { display: grid; grid-template-columns: repeat(auto-fit,minmax(280px,1fr)); gap: 1.5rem; margin-top: 3rem; }
.skill-cat { background: var(--card); border: 1px solid var(--border); border-radius: 16px; padding: 2rem; transition: all 0.3s ease; }
.skill-cat:hover { border-color: var(--bhover); transform: translateY(-4px); box-shadow: 0 20px 40px rgba(124,58,237,0.12); }
.skill-cat-title { font-family: 'Space Grotesk', sans-serif; font-size: 0.9rem; font-weight: 600; margin-bottom: 1.25rem; color: var(--cyan); letter-spacing: 0.08em; text-transform: uppercase; }
.tags { display: flex; flex-wrap: wrap; gap: 0.6rem; }
.tag { padding: 0.4rem 1rem; background: rgba(124,58,237,0.1); border: 1px solid rgba(124,58,237,0.2); border-radius: 100px; font-size: 0.8rem; color: var(--t2); transition: all 0.25s ease; cursor: default; }
.tag:hover { background: rgba(124,58,237,0.25); border-color: var(--violet); color: var(--t1); transform: scale(1.05); }

/* PROJECTS */
.proj-grid { display: grid; grid-template-columns: repeat(auto-fit,minmax(320px,1fr)); gap: 1.5rem; margin-top: 3rem; }
.proj-card {
  background: var(--card); border: 1px solid var(--border); border-radius: 16px;
  padding: 2rem; transition: all 0.35s cubic-bezier(0.34,1.56,0.64,1);
  position: relative; overflow: hidden; cursor: pointer;
}
.proj-card::after { content: ''; position: absolute; inset: 0; background: linear-gradient(135deg,rgba(124,58,237,0.05),rgba(6,182,212,0.05)); opacity: 0; transition: opacity 0.3s; }
.proj-card:hover { border-color: var(--bhover); transform: translateY(-6px); box-shadow: 0 25px 50px rgba(124,58,237,0.2); }
.proj-card:hover::after { opacity: 1; }

/* WIP card — no hover lift, different cursor */
.proj-wip { cursor: default; }
.proj-wip:hover { transform: none; border-color: rgba(6,182,212,0.25); box-shadow: 0 10px 30px rgba(6,182,212,0.1); }

.proj-head { display: flex; justify-content: space-between; align-items: flex-start; margin-bottom: 1.25rem; position: relative; z-index: 1; }
.proj-icon { width: 44px; height: 44px; background: linear-gradient(135deg,rgba(124,58,237,0.2),rgba(6,182,212,0.2)); border: 1px solid rgba(124,58,237,0.3); border-radius: 10px; display: flex; align-items: center; justify-content: center; font-size: 1.25rem; }
.proj-arrow { color: var(--t3); font-size: 1.25rem; transition: all 0.3s ease; }
.proj-card:hover .proj-arrow { color: var(--cyan); transform: translate(4px,-4px); }
.proj-name { font-family: 'Space Grotesk', sans-serif; font-size: 1.1rem; font-weight: 600; margin-bottom: 0.6rem; position: relative; z-index: 1; }
.proj-desc { font-size: 0.85rem; color: var(--t2); line-height: 1.65; margin-bottom: 1.5rem; font-weight: 300; position: relative; z-index: 1; }
.proj-tags { display: flex; flex-wrap: wrap; gap: 0.5rem; position: relative; z-index: 1; }
.ptag { padding: 0.3rem 0.75rem; background: rgba(6,182,212,0.08); border: 1px solid rgba(6,182,212,0.15); border-radius: 100px; font-size: 0.75rem; color: var(--cyan); }

/* WIP BADGE */
.wip-badge {
  display: inline-flex; align-items: center; gap: 0.4rem;
  padding: 0.3rem 0.8rem;
  background: rgba(6,182,212,0.1); border: 1px solid rgba(6,182,212,0.25);
  border-radius: 100px; font-size: 0.7rem; color: var(--cyan);
  font-family: 'Space Grotesk', sans-serif; font-weight: 500;
  letter-spacing: 0.04em;
}
.wip-badge::before {
  content: ''; width: 5px; height: 5px; background: var(--cyan);
  border-radius: 50%; animation: pulse 1.5s infinite;
}

/* CONTACT */
.contact-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 5rem; margin-top: 3rem; align-items: start; }
.contact-info p { font-size: 0.95rem; color: var(--t2); line-height: 1.85; margin-bottom: 2.5rem; font-weight: 300; }
.clinks { display: flex; flex-direction: column; gap: 1rem; }
.clink {
  display: flex; align-items: center; gap: 1rem;
  padding: 1rem 1.25rem; background: var(--card);
  border: 1px solid var(--border); border-radius: 12px;
  text-decoration: none; color: var(--t2); font-size: 0.875rem;
  transition: all 0.3s ease;
}
.clink:hover { border-color: var(--bhover); color: var(--t1); transform: translateX(6px); background: var(--vglow); }
.clink-icon { width: 36px; height: 36px; background: linear-gradient(135deg,rgba(124,58,237,0.2),rgba(6,182,212,0.2)); border-radius: 8px; display: flex; align-items: center; justify-content: center; font-size: 1rem; flex-shrink: 0; }

/* FORM */
.cform { display: flex; flex-direction: column; gap: 1.25rem; }
.fgrp { display: flex; flex-direction: column; gap: 0.5rem; }
.fgrp label { font-size: 0.8rem; color: var(--t3); letter-spacing: 0.08em; text-transform: uppercase; }
.fgrp input, .fgrp textarea {
  background: var(--card); border: 1px solid var(--border); border-radius: 8px;
  padding: 0.875rem 1rem; color: var(--t1);
  font-family: 'Inter', sans-serif; font-size: 0.9rem;
  outline: none; transition: border-color 0.25s ease, box-shadow 0.25s ease; resize: none;
}
.fgrp input:focus, .fgrp textarea:focus { border-color: var(--violet); box-shadow: 0 0 0 3px rgba(124,58,237,0.1); }
.fgrp textarea { height: 130px; }

/* Field error states */
.fgrp input.invalid, .fgrp textarea.invalid {
  border-color: var(--error);
  box-shadow: 0 0 0 3px rgba(239,68,68,0.1);
}
.field-error {
  font-size: 0.75rem; color: var(--error);
  min-height: 1em; display: block;
}

/* Form toast notification */
.form-toast {
  padding: 0.875rem 1.25rem;
  border-radius: 10px; font-size: 0.875rem;
  display: none; align-items: center; gap: 0.6rem;
  animation: slideIn 0.3s ease;
}
.form-toast.success {
  display: flex;
  background: rgba(16,185,129,0.1);
  border: 1px solid rgba(16,185,129,0.25);
  color: var(--success);
}
.form-toast.error {
  display: flex;
  background: rgba(239,68,68,0.1);
  border: 1px solid rgba(239,68,68,0.25);
  color: var(--error);
}

@keyframes slideIn {
  from { opacity: 0; transform: translateY(-8px); }
  to { opacity: 1; transform: translateY(0); }
}

/* FOOTER */
footer {
  position: relative; z-index: 1;
  border-top: 1px solid var(--border);
  padding: 2.5rem 4rem;
}
.footer-inner {
  display: flex; align-items: center; justify-content: space-between;
  flex-wrap: wrap; gap: 1rem;
}
.footer-copy { font-size: 0.8rem; color: var(--t3); }
.footer-links { display: flex; gap: 2rem; }
.footer-links a { font-size: 0.8rem; color: var(--t3); text-decoration: none; transition: color 0.25s; }
.footer-links a:hover { color: var(--cyan); }

/* SCROLL-TO-TOP */
.scroll-top {
  position: fixed; bottom: 2rem; right: 2rem; z-index: 50;
  width: 44px; height: 44px;
  background: linear-gradient(135deg,#7C3AED,#06B6D4);
  color: white; border: none; border-radius: 50%;
  font-size: 1.1rem; cursor: pointer;
  display: flex; align-items: center; justify-content: center;
  box-shadow: 0 8px 25px rgba(124,58,237,0.35);
  transition: all 0.3s cubic-bezier(0.34,1.56,0.64,1);
  opacity: 0; pointer-events: none; transform: translateY(10px);
}
.scroll-top.visible { opacity: 1; pointer-events: auto; transform: translateY(0); }
.scroll-top:hover { transform: translateY(-4px) scale(1.1); box-shadow: 0 15px 35px rgba(124,58,237,0.45); }

/* REVEAL ON SCROLL */
.reveal {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity 0.55s ease, transform 0.55s ease;
}
.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}


/* =========================
   RESPONSIVE — TABLET (max 1024px)
========================= */

@media (max-width: 1024px) {

  nav {
    padding: 1.25rem 2rem;
  }

  section {
    padding: 7rem 2rem 4rem;
  }

  .hero-inner {
    grid-template-columns: 1fr;
    text-align: center;
  }

  .photo-wrap {
    display: flex;
    justify-content: center;
    order: -1;
  }

  .photo-ring {
    width: 220px;
    height: 220px;
  }

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

  .cta {
    justify-content: center;
  }

  .socials {
    justify-content: center;
  }

  .about-grid {
    grid-template-columns: 1fr;
    gap: 2.5rem;
  }

  .contact-grid {
    grid-template-columns: 1fr;
    gap: 3rem;
  }

}


/* =========================
   RESPONSIVE — MOBILE (max 768px)
========================= */

@media (max-width: 768px) {

  nav {
    padding: 1rem 1.5rem;
  }

  .nav-links {
    display: none;
    position: fixed;
    top: 60px;
    left: 0;
    right: 0;
    background: rgba(10, 10, 15, 0.98);
    backdrop-filter: blur(20px);
    flex-direction: column;
    align-items: center;
    gap: 0;
    border-bottom: 1px solid var(--border);
    z-index: 99;
  }

  .nav-links.open {
    display: flex;
  }

  .nav-links li {
    width: 100%;
    text-align: center;
  }

  .nav-links a {
    display: block;
    padding: 1rem;
    font-size: 1rem;
    border-bottom: 1px solid var(--border);
  }

  .hamburger {
    display: flex;
    flex-direction: column;
    gap: 5px;
    cursor: pointer;
    padding: 4px;
  }

  .hamburger span {
    width: 24px;
    height: 2px;
    background: var(--t1);
    border-radius: 2px;
    transition: all 0.3s ease;
  }

  .hamburger.open span:nth-child(1) {
    transform: translateY(7px) rotate(45deg);
  }

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

  .hamburger.open span:nth-child(3) {
    transform: translateY(-7px) rotate(-45deg);
  }

  section {
    padding: 6rem 1.5rem 3rem;
    min-height: auto;
    padding-bottom: 5rem;
  }

  .hero-inner {
    grid-template-columns: 1fr;
    gap: 2.5rem;
    text-align: center;
  }

  .photo-ring {
    width: 180px;
    height: 180px;
  }

  .hero-name {
    font-size: clamp(2.2rem, 8vw, 3rem);
  }

  .hero-tag {
    font-size: 0.9rem;
  }

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

  .btn-p, .btn-s, .btn-resume {
    width: 100%;
    text-align: center;
    justify-content: center;
  }

  .socials {
    justify-content: center;
  }

  .about-grid {
    grid-template-columns: 1fr;
    gap: 2rem;
  }

  .about-stats {
    grid-template-columns: 1fr 1fr;
  }

  .skills-grid {
    grid-template-columns: 1fr;
  }

  .proj-grid {
    grid-template-columns: 1fr;
  }

  .contact-grid {
    grid-template-columns: 1fr;
    gap: 2.5rem;
  }

  .clink {
    font-size: 0.8rem;
  }

  footer {
    padding: 2rem 1.5rem;
  }

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

  .footer-links {
    justify-content: center;
  }

  .scroll-top {
    bottom: 1.25rem;
    right: 1.25rem;
    width: 40px;
    height: 40px;
    font-size: 1rem;
  }

}


/* =========================
   RESPONSIVE — SMALL MOBILE (max 480px)
========================= */

@media (max-width: 480px) {

  section {
    padding: 5.5rem 1rem 3rem;
  }

  .photo-ring {
    width: 150px;
    height: 150px;
  }

  .about-stats {
    grid-template-columns: 1fr 1fr;
    gap: 0.75rem;
  }

  .stat {
    padding: 1rem;
  }

  .stat-num {
    font-size: 1.5rem;
  }

}