/* =========================================
   PRIYANSHU KUMAR — PORTFOLIO
   Main Stylesheet
   ========================================= */

/* ---------- CSS Variables ---------- */
:root {
  --bg:           #050810;
  --bg-alt:       #080d1a;
  --bg-card:      #0b1020;
  --bg-surface:   #0d1425;
  --border:       rgba(0, 245, 255, 0.12);
  --border-hover: rgba(0, 245, 255, 0.35);

  --cyan:    #00f5ff;
  --cyan-dim: #63dbdb;
  --green:   #39ff14;
  --purple:  #a855f7;
  --pink:    #f472b6;
  --orange:  #fb923c;
  --red:     #ef4444;

  --text:    #e2e8f0;
  --muted:   #8892a4;
  --subtle:  #4a5568;

  --font:    'Space Grotesk', sans-serif;
  --mono:    'JetBrains Mono', monospace;

  --radius:  12px;
  --radius-sm: 6px;
  --shadow:  0 20px 60px rgba(0,0,0,0.55);
  --glow-cyan: 0 0 30px rgba(0,245,255,0.25);
}

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

html {
  scroll-behavior: smooth;
}

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

/* ---------- Scrollbar ---------- */
::-webkit-scrollbar { width: 5px; }
::-webkit-scrollbar-track { background: var(--bg); }
::-webkit-scrollbar-thumb { background: var(--cyan); border-radius: 3px; }

/* ---------- Selection ---------- */
::selection { background: rgba(0,245,255,0.2); color: var(--cyan); }

/* ---------- Layout ---------- */
.container {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 48px;
}

section {
  position: relative;
  z-index: 2;
}

.sec        { padding: 110px 0; }
.sec-alt    { background: var(--bg-alt); }

/* ---------- Section Headers ---------- */
.sec-head   { margin-bottom: 56px; }

.sec-num {
  font-family: var(--mono);
  font-size: 0.75rem;
  color: var(--cyan);
  letter-spacing: 3px;
  margin-bottom: 6px;
  text-transform: uppercase;
}

.sec-title {
  font-size: clamp(1.8rem, 4vw, 2.4rem);
  font-weight: 700;
}

.sec-line {
  margin-top: 10px;
  height: 1px;
  width: 180px;
  background: linear-gradient(90deg, var(--cyan), transparent);
}

/* ---------- Backgrounds ---------- */
#particles {
  position: fixed;
  inset: 0;
  z-index: 0;
  pointer-events: none;
}

.grid-bg {
  position: fixed;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  background-image:
    linear-gradient(rgba(0,245,255,0.025) 1px, transparent 1px),
    linear-gradient(90deg, rgba(0,245,255,0.025) 1px, transparent 1px);
  background-size: 64px 64px;
}

#cursor-glow {
  position: fixed;
  width: 480px;
  height: 480px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(0,245,255,0.05) 0%, transparent 65%);
  pointer-events: none;
  z-index: 1;
  transform: translate(-50%, -50%);
  transition: opacity 0.3s;
}

/* =========================================
   NAVBAR
   ========================================= */
#navbar {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  padding: 18px 56px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  background: rgba(5, 8, 16, 0.75);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border);
  transition: padding 0.3s, background 0.3s;
}

#navbar.scrolled {
  padding: 12px 56px;
  background: rgba(5, 8, 16, 0.92);
}

.nav-logo {
  font-family: var(--mono);
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--cyan);
  letter-spacing: 2px;
  text-decoration: none;
  transition: text-shadow 0.2s;
}

.nav-logo:hover {
  text-shadow: 0 0 20px rgba(0,245,255,0.6);
}

.nav-logo span { color: var(--text); }

.nav-links {
  display: flex;
  gap: 30px;
  list-style: none;
}

.nav-links a {
  font-family: var(--mono);
  font-size: 0.8rem;
  color: var(--muted);
  text-decoration: none;
  letter-spacing: 1px;
  transition: color 0.2s;
  position: relative;
}

.nav-links a::before {
  content: attr(data-n);
  color: var(--cyan);
  margin-right: 5px;
  font-size: 0.68rem;
}

.nav-links a:hover,
.nav-links a.active {
  color: var(--cyan);
}

.nav-links a.active::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0; right: 0;
  height: 1px;
  background: var(--cyan);
  border-radius: 1px;
}

.nav-right {
  display: flex;
  align-items: center;
  gap: 14px;
}

.btn-resume {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 8px 20px;
  border: 1px solid var(--cyan);
  color: var(--cyan);
  font-family: var(--mono);
  font-size: 0.78rem;
  border-radius: var(--radius-sm);
  text-decoration: none;
  letter-spacing: 1px;
  transition: all 0.25s;
}

.btn-resume:hover {
  background: rgba(0,245,255,0.1);
  box-shadow: var(--glow-cyan);
}

/* Hamburger */
.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  background: none;
  border: none;
  padding: 4px;
}

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

.hamburger.open span:nth-child(1) { transform: rotate(45deg) translate(5px, 5px); }
.hamburger.open span:nth-child(2) { opacity: 0; }
.hamburger.open span:nth-child(3) { transform: rotate(-45deg) translate(5px, -5px); }

/* Mobile menu */
.mobile-menu {
  display: none;
  position: fixed;
  inset: 0;
  top: 58px;
  z-index: 99;
  background: rgba(5,8,16,0.97);
  backdrop-filter: blur(24px);
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 32px;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.3s;
}

.mobile-menu.open {
  display: flex;
  opacity: 1;
  pointer-events: all;
}

.mobile-menu a {
  font-family: var(--mono);
  font-size: 1.15rem;
  color: var(--text);
  text-decoration: none;
  letter-spacing: 2px;
  transition: color 0.2s;
}

.mobile-menu a:hover { color: var(--cyan); }

/* =========================================
   HERO
   ========================================= */
#hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding-top: 80px;
}

.hero-inner {
  display: grid;
  grid-template-columns: 1fr 340px;
  gap: 60px;
  align-items: center;
}

.hero-tag {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-family: var(--mono);
  font-size: 0.78rem;
  color: var(--cyan);
  letter-spacing: 3px;
  margin-bottom: 20px;
  opacity: 0;
  animation: fadeUp 0.7s 0.2s forwards;
}

.hero-tag .dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--green);
  box-shadow: 0 0 8px var(--green);
  animation: pulseDot 2s infinite;
}

.hero-name {
  font-size: clamp(2.5rem, 5.5vw, 4.4rem);
  font-weight: 700;
  line-height: 1.1;
  opacity: 0;
  animation: fadeUp 0.7s 0.4s forwards;
}

.hero-name .name-line {
  display: block;
  color: var(--cyan);
}

.hero-role {
  font-size: clamp(0.95rem, 2.2vw, 1.25rem);
  color: var(--muted);
  margin-top: 14px;
  min-height: 2rem;
  opacity: 0;
  animation: fadeUp 0.7s 0.6s forwards;
}

.hero-role .typed { color: var(--purple); font-weight: 600; }
.cursor {
  display: inline-block;
  color: var(--cyan);
  animation: blink 1s step-end infinite;
  font-weight: 300;
}

.hero-desc {
  margin-top: 22px;
  color: var(--muted);
  font-size: 0.97rem;
  max-width: 520px;
  line-height: 1.85;
  opacity: 0;
  animation: fadeUp 0.7s 0.8s forwards;
}

.hero-desc strong { color: var(--cyan); }

.hero-btns {
  display: flex;
  gap: 14px;
  flex-wrap: wrap;
  margin-top: 36px;
  opacity: 0;
  animation: fadeUp 0.7s 1s forwards;
}

.btn-primary {
  padding: 13px 30px;
  background: var(--cyan);
  color: #050810;
  font-family: var(--mono);
  font-size: 0.82rem;
  font-weight: 700;
  border-radius: var(--radius-sm);
  text-decoration: none;
  letter-spacing: 1px;
  transition: all 0.25s;
}

.btn-primary:hover {
  background: #00d4e0;
  box-shadow: 0 0 32px rgba(0,245,255,0.35);
  transform: translateY(-3px);
}

.btn-outline {
  padding: 13px 30px;
  border: 1px solid var(--muted);
  color: var(--text);
  font-family: var(--mono);
  font-size: 0.82rem;
  border-radius: var(--radius-sm);
  text-decoration: none;
  letter-spacing: 1px;
  transition: all 0.25s;
}

.btn-outline:hover {
  border-color: var(--cyan);
  color: var(--cyan);
  transform: translateY(-3px);
}

/* Hero avatar */
.hero-visual {
  opacity: 0;
  animation: fadeIn 1s 0.6s forwards;
}

.avatar-ring {
  position: relative;
  width: 290px;
  height: 290px;
  margin: 0 auto;
}

.avatar-ring::before {
  content: '';
  position: absolute;
  inset: -4px;
  border-radius: 50%;
  background: conic-gradient(var(--cyan), var(--purple), var(--pink), var(--cyan));
  animation: spin 5s linear infinite;
}

.avatar-ring::after {
  content: '';
  position: absolute;
  inset: 4px;
  border-radius: 50%;
  background: var(--bg);
}

.avatar-inner {
  position: absolute;
  inset: 8px;
  z-index: 1;
  border-radius: 50%;
  overflow: hidden;
  background: linear-gradient(135deg, #0d1425, #050810);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 4.5rem;
  animation: float 4s ease-in-out infinite;
}

.hero-stats {
  display: flex;
  justify-content: center;
  gap: 28px;
  margin-top: 26px;
  flex-wrap: wrap;
}

.h-stat {
  text-align: center;
  font-family: var(--mono);
}

.h-stat .num {
  display: block;
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--cyan);
  animation: countUp 1.5s 1.2s both;
}

.h-stat .lbl {
  font-size: 0.62rem;
  color: var(--muted);
  letter-spacing: 2px;
}

/* =========================================
   ABOUT
   ========================================= */
.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 72px;
  align-items: start;
}

.about-text p {
  color: var(--muted);
  line-height: 1.9;
  margin-bottom: 14px;
  font-size: 0.97rem;
}

.about-text p strong { color: var(--cyan); }

.edu-card {
  display: flex;
  align-items: center;
  gap: 14px;
  background: rgba(0,245,255,0.05);
  border: 1px solid rgba(0,245,255,0.18);
  border-radius: var(--radius-sm);
  padding: 14px 18px;
  margin-top: 18px;
}

.edu-card .icon { font-size: 1.3rem; }
.edu-card .edu-info { display: flex; flex-direction: column; gap: 2px; }
.edu-card .edu-name { font-size: 0.88rem; font-weight: 600; }
.edu-card .edu-detail { font-family: var(--mono); font-size: 0.7rem; color: var(--muted); }
.edu-card .edu-cgpa { font-family: var(--mono); font-size: 1rem; font-weight: 700; color: var(--cyan); margin-left: auto; }

.skills-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 22px;
}

.skill-group h4 {
  font-family: var(--mono);
  font-size: 0.7rem;
  color: var(--cyan);
  letter-spacing: 2.5px;
  margin-bottom: 10px;
  text-transform: uppercase;
}

.skill-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 7px;
}

.skill-tag {
  font-family: var(--mono);
  font-size: 0.68rem;
  padding: 4px 10px;
  border-radius: 3px;
  background: var(--bg-surface);
  color: var(--text);
  border: 1px solid var(--border);
  transition: all 0.2s;
  cursor: default;
}

.skill-tag:hover {
  border-color: var(--cyan);
  color: var(--cyan);
  background: rgba(0,245,255,0.06);
  transform: translateY(-2px);
}

/* =========================================
   PROJECTS
   ========================================= */
.projects-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: 26px;
}

.proj-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  text-decoration: none;
  color: inherit;
  display: block;
  transition: transform 0.4s cubic-bezier(0.23,1,0.32,1),
              border-color 0.3s,
              box-shadow 0.4s;
  position: relative;
}

.proj-card::after {
  content: '';
  position: absolute;
  inset: 0;
  border-radius: var(--radius);
  background: linear-gradient(135deg,
    rgba(0,245,255,0.04),
    rgba(168,85,247,0.04));
  opacity: 0;
  transition: opacity 0.3s;
  pointer-events: none;
}

.proj-card:hover {
  transform: translateY(-10px);
  border-color: rgba(0,245,255,0.4);
  box-shadow: var(--shadow), 0 0 0 1px rgba(0,245,255,0.12);
}

.proj-card:hover::after { opacity: 1; }
.proj-card:hover .proj-img-overlay { opacity: 1; }
.proj-card:hover .proj-arrow { opacity: 1; transform: translate(3px, -3px); }
.proj-card:hover .proj-thumb { transform: scale(1.06); }

.proj-img-wrap {
  position: relative;
  overflow: hidden;
}

.proj-thumb {
  width: 100%;
  height: 190px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 3.8rem;
  transition: transform 0.4s cubic-bezier(0.23,1,0.32,1);
}

.proj-img-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg,
    rgba(0,245,255,0.12),
    rgba(168,85,247,0.12));
  opacity: 0;
  transition: opacity 0.3s;
}

/* Badges */
.badge-live {
  position: absolute;
  top: 12px; right: 12px;
  background: rgba(57,255,20,0.12);
  border: 1px solid rgba(57,255,20,0.4);
  color: var(--green);
  font-family: var(--mono);
  font-size: 0.63rem;
  padding: 3px 9px;
  border-radius: 20px;
  letter-spacing: 1px;
  display: flex;
  align-items: center;
  gap: 5px;
}

.badge-live::before {
  content: '';
  width: 6px; height: 6px;
  border-radius: 50%;
  background: var(--green);
  animation: pulseDot 2s infinite;
}

.badge-soon {
  position: absolute;
  top: 12px; right: 12px;
  background: rgba(251,146,60,0.12);
  border: 1px solid rgba(251,146,60,0.3);
  color: var(--orange);
  font-family: var(--mono);
  font-size: 0.63rem;
  padding: 3px 9px;
  border-radius: 20px;
  letter-spacing: 1px;
}

/* Project body */
.proj-body { padding: 22px; }

.proj-top {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  margin-bottom: 8px;
}

.proj-icon  { font-size: 1.6rem; }
.proj-arrow { font-size: 1rem; color: var(--cyan); opacity: 0; transition: all 0.25s; }

.proj-name  { font-size: 1.1rem; font-weight: 600; margin-bottom: 8px; }

.proj-desc  {
  font-size: 0.84rem;
  color: var(--muted);
  line-height: 1.75;
  margin-bottom: 18px;
}

.proj-tags  { display: flex; flex-wrap: wrap; gap: 7px; }

.proj-tag {
  font-family: var(--mono);
  font-size: 0.66rem;
  color: var(--cyan);
  padding: 2px 8px;
  border: 1px solid rgba(0,245,255,0.18);
  border-radius: 3px;
  background: rgba(0,245,255,0.04);
}

/* Featured card spans full width */
.proj-featured {
  grid-column: span 2;
  display: grid;
  grid-template-columns: 1fr 1fr;
}

.proj-featured .proj-thumb {
  height: 100%;
  min-height: 240px;
  font-size: 5rem;
}

.proj-featured .proj-body {
  padding: 36px;
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.proj-featured .proj-name { font-size: 1.3rem; }

.featured-lbl {
  font-family: var(--mono);
  font-size: 0.68rem;
  color: var(--purple);
  letter-spacing: 2px;
  margin-bottom: 10px;
}

/* =========================================
   STATS (GitHub + LeetCode)
   ========================================= */
.stats-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 28px;
}

.stats-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  transition: transform 0.3s, border-color 0.3s, box-shadow 0.3s;
}

.stats-card:hover {
  border-color: var(--border-hover);
  transform: translateY(-5px);
  box-shadow: 0 16px 44px rgba(0,0,0,0.45);
}

.stats-header {
  padding: 16px 22px;
  display: flex;
  align-items: center;
  gap: 12px;
  border-bottom: 1px solid var(--border);
  background: linear-gradient(135deg, rgba(0,245,255,0.05), transparent);
}

.stats-header .s-icon { font-size: 1.3rem; }

.stats-header h3 {
  font-family: var(--mono);
  font-size: 0.88rem;
  color: var(--text);
}

.stats-header a {
  margin-left: auto;
  font-family: var(--mono);
  font-size: 0.7rem;
  color: var(--cyan);
  text-decoration: none;
  letter-spacing: 1px;
  transition: text-decoration 0.2s;
}

.stats-header a:hover { text-decoration: underline; }

.stats-body {
  padding: 18px;
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.stats-body img {
  width: 100%;
  border-radius: 8px;
  display: block;
}

.leet-manual {
  display: flex;
  justify-content: center;
  margin-top: 12px;
}

.leet-badge {
  text-align: center;
  background: rgba(0,245,255,0.05);
  border: 1px solid rgba(0,245,255,0.2);
  border-radius: 10px;
  padding: 20px 40px;
}

.leet-badge .big-num {
  font-size: 2.4rem;
  font-weight: 700;
  color: var(--cyan);
  font-family: var(--mono);
}

.leet-badge .lbl {
  font-size: 0.68rem;
  color: var(--muted);
  letter-spacing: 2px;
  margin-top: 4px;
}

/* =========================================
   CERTIFICATIONS
   ========================================= */
.certs-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 24px;
}

.cert-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  transition: transform 0.3s, border-color 0.3s, box-shadow 0.3s;
  position: relative;
}

.cert-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--cyan), var(--purple));
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.35s;
}

.cert-card:hover::before { transform: scaleX(1); }

.cert-card:hover {
  border-color: var(--border-hover);
  transform: translateY(-6px);
  box-shadow: 0 16px 44px rgba(0,0,0,0.45);
}

.cert-preview {
  width: 100%;
  height: 200px;
  overflow: hidden;
  background: #fff;
  position: relative;
  cursor: pointer;
}

.cert-preview embed,
.cert-preview iframe {
  width: 100%;
  height: 250px;
  border: none;
  pointer-events: none;
  transform: scale(0.8);
  transform-origin: top left;
  width: 125%;
}

.cert-preview-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(to bottom, transparent 40%, rgba(11,16,32,0.9) 100%);
  display: flex;
  align-items: flex-end;
  padding: 14px;
  opacity: 0;
  transition: opacity 0.3s;
}

.cert-card:hover .cert-preview-overlay { opacity: 1; }

.cert-view-btn {
  font-family: var(--mono);
  font-size: 0.7rem;
  color: var(--cyan);
  display: flex;
  align-items: center;
  gap: 6px;
  text-decoration: none;
  letter-spacing: 1px;
}

.cert-info { padding: 18px 20px 20px; }

.cert-icon { font-size: 1.8rem; margin-bottom: 10px; }
.cert-name { font-size: 0.96rem; font-weight: 600; margin-bottom: 5px; line-height: 1.4; }
.cert-issuer { font-family: var(--mono); font-size: 0.7rem; color: var(--cyan); letter-spacing: 1px; margin-bottom: 5px; }
.cert-date  { font-size: 0.78rem; color: var(--muted); }

.cert-dl {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  margin-top: 12px;
  font-family: var(--mono);
  font-size: 0.68rem;
  color: var(--purple);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: border-color 0.2s;
}

.cert-dl:hover { border-color: var(--purple); }

/* LeetCode achievement cert-style */
.cert-card.leet .cert-preview {
  background: linear-gradient(135deg, #0a1628, #050810);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 4rem;
  cursor: default;
}

/* =========================================
   CONTACT
   ========================================= */
#contact { padding: 110px 0; }

.contact-inner {
  max-width: 620px;
  margin: 0 auto;
  text-align: center;
}

.contact-sub {
  font-size: 0.96rem;
  color: var(--muted);
  line-height: 1.85;
  margin-bottom: 44px;
}

.contact-cards {
  display: flex;
  flex-direction: column;
  gap: 12px;
  margin-bottom: 40px;
}

.contact-card {
  display: flex;
  align-items: center;
  gap: 16px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 16px 22px;
  text-decoration: none;
  color: var(--text);
  transition: all 0.25s;
  text-align: left;
}

.contact-card:hover {
  border-color: var(--cyan);
  transform: translateX(8px);
  background: rgba(0,245,255,0.04);
}

.contact-card .c-icon { font-size: 1.25rem; width: 24px; text-align: center; }
.contact-card .c-label { font-family: var(--mono); font-size: 0.68rem; color: var(--muted); letter-spacing: 1px; margin-bottom: 3px; }
.contact-card .c-value { font-size: 0.9rem; }
.contact-card:hover .c-value { color: var(--cyan); }

.resume-dl {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 15px 40px;
  border: 2px solid var(--cyan);
  color: var(--cyan);
  font-family: var(--mono);
  font-size: 0.83rem;
  font-weight: 700;
  border-radius: var(--radius-sm);
  text-decoration: none;
  letter-spacing: 1.5px;
  position: relative;
  overflow: hidden;
  transition: color 0.35s;
}

.resume-dl::before {
  content: '';
  position: absolute;
  inset: 0;
  background: var(--cyan);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.35s cubic-bezier(0.23,1,0.32,1);
  z-index: -1;
}

.resume-dl:hover {
  color: #050810;
  box-shadow: 0 0 28px rgba(0,245,255,0.3);
}

.resume-dl:hover::before { transform: scaleX(1); }

/* =========================================
   FOOTER
   ========================================= */
footer {
  position: relative;
  z-index: 2;
  padding: 28px 40px;
  text-align: center;
  border-top: 1px solid var(--border);
  font-family: var(--mono);
  font-size: 0.7rem;
  color: var(--muted);
}

footer span { color: var(--cyan); }

/* =========================================
   SCROLL REVEAL
   ========================================= */
.reveal {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.75s ease, transform 0.75s ease;
}

.reveal-left {
  opacity: 0;
  transform: translateX(-30px);
  transition: opacity 0.75s ease, transform 0.75s ease;
}

.reveal-right {
  opacity: 0;
  transform: translateX(30px);
  transition: opacity 0.75s ease, transform 0.75s ease;
}

.reveal.up,
.reveal-left.up,
.reveal-right.up {
  opacity: 1;
  transform: translate(0);
}

/* Stagger helpers */
.delay-1 { transition-delay: 0.1s; }
.delay-2 { transition-delay: 0.2s; }
.delay-3 { transition-delay: 0.3s; }
.delay-4 { transition-delay: 0.4s; }

/* =========================================
   RESPONSIVE
   ========================================= */
@media (max-width: 960px) {
  #navbar          { padding: 14px 24px; }
  #navbar.scrolled { padding: 10px 24px; }
  .nav-links, .btn-resume { display: none; }
  .hamburger       { display: flex; }
  .hero-inner      { grid-template-columns: 1fr; }
  .hero-visual     { display: none; }
  .about-grid      { grid-template-columns: 1fr; gap: 44px; }
  .proj-featured   { grid-column: span 1; grid-template-columns: 1fr; }
  .proj-featured .proj-thumb { min-height: 200px; }
  .stats-grid      { grid-template-columns: 1fr; }
}

@media (max-width: 600px) {
  .container       { padding: 0 20px; }
  .sec             { padding: 80px 0; }
  .projects-grid   { grid-template-columns: 1fr; }
  .certs-grid      { grid-template-columns: 1fr; }
  .skills-grid     { grid-template-columns: 1fr; }
}