/* ═══════════════════════════════════════════
   NAGHAM ELSORADY – PORTFOLIO  |  style.css
═══════════════════════════════════════════ */

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

:root {
  /* Palette */
  --bg:       #ffffff;
  --bg2:      #f8e5ca;
  --bg3:      #f1c79f;
  --card:     #fffdf8;
  --border:   #ead2b4;
  --border2:  #d7aa7e;

  /* Accent colors */
  --accent:   #d96b5f;
  --accent-h: #b9544f;
  --accent2:  #557cc8;
  --accent3:  #e99a58;
  --accent4:  #c8794f;

  /* Text */
  --text:     #4a3028;
  --text2:    #69483b;
  --muted:    #94715c;

  /* Effects */
  --glow:       rgba(217,107,95,.16);
  --shadow-sm:  0 1px 3px rgba(74,48,40,.07), 0 1px 2px rgba(74,48,40,.04);
  --shadow-md:  0 4px 16px rgba(74,48,40,.10), 0 2px 6px rgba(74,48,40,.05);
  --shadow-lg:  0 12px 40px rgba(217,107,95,.16), 0 4px 12px rgba(74,48,40,.08);
  --shadow-hover: 0 16px 48px rgba(217,107,95,.22), 0 6px 16px rgba(74,48,40,.08);

  /* Radius */
  --r-sm: 8px;
  --r-md: 12px;
  --r-lg: 18px;
  --r-xl: 24px;
}

html { scroll-behavior: smooth; font-size: 99%; }

body {
  font-family: 'Inter', sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.7;
  overflow-x: hidden;
  font-size: 15px;
}

/* ─── SCROLLBAR ─── */
::-webkit-scrollbar { width: 5px; }
::-webkit-scrollbar-track { background: var(--bg2); }
::-webkit-scrollbar-thumb { background: var(--border2); border-radius: 10px; }
::-webkit-scrollbar-thumb:hover { background: var(--accent); }

/* ────────────────────────────
   NAVBAR
──────────────────────────── */
nav {
  position: fixed; top: 0; left: 0; right: 0; z-index: 1000;
  display: flex; align-items: center; justify-content: space-between;
  padding: 0 3rem; height: 64px;
  background: rgba(255,247,229,.94);
  backdrop-filter: blur(16px) saturate(180%);
  -webkit-backdrop-filter: blur(16px) saturate(180%);
  border-bottom: 1px solid var(--border);
  box-shadow: 0 1px 12px rgba(217,107,95,.10);
}
.nav-logo {
  text-decoration: none;
  display: flex; align-items: center; gap: .6rem;
}
.logo-mark {
  width: 34px; height: 34px; border-radius: 9px;
  background: linear-gradient(135deg, var(--accent) 0%, var(--accent3) 100%);
  color: #fff; font-weight: 900; font-size: .82rem;
  letter-spacing: .03em; font-family: 'Inter', sans-serif;
  display: flex; align-items: center; justify-content: center;
  box-shadow: 0 3px 10px rgba(217,107,95,.35);
  flex-shrink: 0; user-select: none;
  transition: transform .2s, box-shadow .2s;
}
.nav-logo:hover .logo-mark {
  transform: rotate(-6deg) scale(1.08);
  box-shadow: 0 6px 18px rgba(217,107,95,.45);
}
.logo-name {
  font-size: .95rem; font-weight: 700;
  color: var(--text); letter-spacing: -.01em;
  transition: color .2s;
}
.logo-name em {
  font-style: normal;
  background: linear-gradient(135deg, var(--accent), var(--accent3));
  -webkit-background-clip: text; -webkit-text-fill-color: transparent;
  background-clip: text;
}
.nav-links { display: flex; gap: 2rem; list-style: none; align-items: center; }
.nav-links a {
  color: var(--muted); text-decoration: none; font-size: .88rem;
  font-weight: 500; transition: color .2s; position: relative; padding-bottom: 2px;
}
.nav-links a::after {
  content: ''; position: absolute; bottom: -2px; left: 0; right: 0;
  height: 2px; background: var(--accent); border-radius: 2px;
  transform: scaleX(0); transition: transform .25s ease;
  transform-origin: left;
}
.nav-links a:hover { color: var(--accent); }
.nav-links a:hover::after { transform: scaleX(1); }

/* Contact CTA button – uses higher specificity to avoid !important */
.nav-links a.nav-cta {
  background: linear-gradient(135deg, var(--accent), var(--accent3));
  color: #fff;
  padding: .42rem 1.2rem;
  padding-bottom: .42rem;          /* override the 2px from base rule */
  border-radius: var(--r-sm);
  font-weight: 600;
  box-shadow: 0 3px 10px rgba(217,107,95,.3);
  transition: all .25s;
  line-height: 1.4;
}
.nav-links a.nav-cta:hover {
  color: #fff;
  transform: translateY(-2px);
  box-shadow: 0 8px 20px rgba(217,107,95,.4);
  opacity: .95;
}
.nav-links a.nav-cta::after { display: none; }

/* ─── HERO ─── */
#hero {
  min-height: 100vh;
  display: flex; align-items: center; justify-content: center;
  position: relative;
  padding: 7rem 3rem 5rem;
  overflow: clip;
  max-width: 100%;
  margin: 0;
  background: linear-gradient(160deg, #fffaf2 0%, #fffdf9 52%, #fff4e7 100%);
}
.hero-grid {
  position: absolute; inset: 0; z-index: 0;
  background-image:
    linear-gradient(var(--border) 1px, transparent 1px),
    linear-gradient(90deg, var(--border) 1px, transparent 1px);
  background-size: 48px 48px;
  opacity: .35;
}
.hero-glow {
  position: absolute; top: 20%; left: 50%; transform: translateX(-50%);
  width: 700px; height: 400px;
  background: radial-gradient(ellipse, rgba(233,154,88,.18) 0%, transparent 70%);
  pointer-events: none; z-index: 0;
}
.hero-content {
  position: relative; z-index: 1;
  max-width: 1020px; width: 100%;
  display: flex; align-items: center;
  justify-content: space-between;
  gap: 3.5rem;
}
.hero-text {
  flex: 1; text-align: left;
}
.hero-badge {
  display: inline-flex; align-items: center; gap: .5rem;
  background: #fff; border: 1px solid var(--border);
  border-radius: 50px; padding: .35rem 1rem;
  font-size: .82rem; color: var(--accent); font-weight: 500;
  margin-bottom: 1.5rem;
  box-shadow: 0 2px 8px rgba(217,107,95,.10);
}
.hero-badge .dot {
  width: 7px; height: 7px; border-radius: 50%;
  background: var(--accent2);
  animation: pulse 2s infinite;
}
@keyframes pulse {
  0%,100% { opacity: 1; transform: scale(1); }
  50% { opacity: .5; transform: scale(1.3); }
}
.hero-name {
  font-size: clamp(2.4rem, 6vw, 4.2rem);
  font-weight: 800; line-height: 1.1;
  letter-spacing: -.03em;
  background: linear-gradient(135deg, var(--text) 30%, var(--accent) 100%);
  -webkit-background-clip: text; -webkit-text-fill-color: transparent;
  background-clip: text;
  margin-bottom: .6rem;
}
.hero-title {
  font-size: clamp(1rem, 2.5vw, 1.35rem);
  color: var(--muted); font-weight: 400;
  margin-bottom: 1.2rem;
}
.hero-title span { color: var(--accent); font-weight: 600; }
.hero-location {
  display: flex; align-items: center; justify-content: flex-start;
  gap: .4rem; color: var(--muted); font-size: .9rem;
  margin-bottom: 2rem;
}
.hero-links {
  display: flex; gap: 1rem; justify-content: flex-start; flex-wrap: wrap;
}
.btn {
  display: inline-flex; align-items: center; gap: .5rem;
  padding: .65rem 1.5rem; border-radius: 8px;
  font-size: .9rem; font-weight: 600;
  text-decoration: none; transition: all .2s;
  border: 1px solid transparent;
}
.btn-primary {
  background: var(--accent); color: #fff;
  box-shadow: 0 4px 14px rgba(217,107,95,.3);
}
.btn-primary:hover { opacity: .9; transform: translateY(-1px); }
.btn-ghost {
  background: #fff;
  border-color: var(--border);
  color: var(--text);
  box-shadow: 0 1px 4px rgba(0,0,0,.06);
}
.btn-ghost:hover {
  border-color: var(--accent); color: var(--accent);
  transform: translateY(-1px);
}
.hero-stats {
  display: flex; gap: 2.5rem; flex-wrap: wrap;
  margin-top: 3rem; padding-top: 2rem;
}
.stat-item { text-align: center; }
.stat-num {
  font-size: 1.8rem; font-weight: 800; color: var(--accent);
  display: block;
}
.stat-label { font-size: .8rem; color: var(--muted); }

/* Photo */
.hero-photo {
  flex-shrink: 0;
  display: flex; align-items: center; justify-content: center;
}
.hero-photo-ring {
  position: relative;
  width: 300px; height: 300px; border-radius: 50%;
  padding: 2px;
  background: linear-gradient(135deg, var(--accent), var(--accent3), var(--accent2));
  box-shadow: 0 20px 60px rgba(217,107,95,.30), 0 6px 20px rgba(74,48,40,.10);
  animation: float 5s ease-in-out infinite;
  overflow: hidden;
}
.hero-photo-ring img {
  width: 100%; height: 100%;
  border-radius: 50%;
  object-fit: cover; object-position: center center;
  display: block;
  border: 2px solid #fff1c9;
  box-sizing: border-box;
}
@keyframes float {
  0%, 100% { transform: translateY(0); }
  50%       { transform: translateY(-12px); }
}

/* ────────────────────────────
   SECTION COMMONS
──────────────────────────── */
section {
  max-width: 1020px; margin: 0 auto;
  padding: 5rem 2rem;
}
section:nth-child(even) { position: relative; }
section:nth-child(even)::before {
  content: ''; position: absolute; top: 0; bottom: 0;
  left: 50%; transform: translateX(-50%);
  width: 100vw; background: var(--bg2); z-index: -1;
}
.section-header {
  display: flex; align-items: center; gap: 1rem;
  margin-bottom: 2.8rem;
}
.section-icon {
  width: 42px; height: 42px; border-radius: var(--r-sm);
  background: linear-gradient(135deg, var(--accent), var(--accent3));
  display: flex; align-items: center; justify-content: center;
  color: #fff; font-size: 1rem; flex-shrink: 0;
  box-shadow: 0 4px 12px rgba(217,107,95,.25);
}
h2 { font-size: 1.55rem; font-weight: 800; letter-spacing: -.03em; color: var(--text); }
.section-line {
  flex: 1; height: 2px;
  background: linear-gradient(90deg, var(--border2) 0%, transparent 100%);
  border-radius: 2px;
}

/* ────────────────────────────
   ABOUT
──────────────────────────── */
.about-grid {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 2rem;
  align-items: start;
}
.about-bio {
  background: var(--card); border: 1px solid var(--border);
  border-radius: var(--r-lg); padding: 2rem 2.4rem;
  position: relative; overflow: hidden; box-shadow: var(--shadow-md);
}
.about-bio::before {
  content: ''; position: absolute; left: 0; top: 0; bottom: 0; width: 5px;
  background: linear-gradient(180deg, var(--accent), var(--accent3));
}
.about-bio p { color: var(--text2); font-size: .97rem; line-height: 1.85; margin-bottom: .9rem; }
.about-bio p:last-of-type { margin-bottom: 1.2rem; }
.about-bio strong { color: var(--accent); font-weight: 700; }
.about-tools { display: flex; flex-wrap: wrap; gap: .5rem; }
.tool-chip {
  display: inline-flex; align-items: center; gap: .35rem;
  padding: .3rem .75rem; border-radius: 999px;
  font-size: .75rem; font-weight: 600;
  background: rgba(217,107,95,.10); color: var(--accent);
  border: 1px solid rgba(217,107,95,.22);
  transition: all .2s;
}
.tool-chip:hover { background: var(--accent); color: #fff; }
.about-highlights {
  display: grid; grid-template-columns: 1fr 1fr;
  gap: .85rem;
}
.highlight-card {
  background: var(--card); border: 1px solid var(--border);
  border-radius: var(--r-md); padding: 1.2rem 1rem;
  display: flex; flex-direction: column; align-items: center; gap: .5rem;
  text-align: center; box-shadow: var(--shadow-sm);
  transition: all .25s;
}
.highlight-card:hover {
  border-color: var(--accent); transform: translateY(-3px);
  box-shadow: 0 8px 24px rgba(217,107,95,.15);
}
.hl-icon {
  width: 42px; height: 42px; border-radius: 50%;
  background: rgba(217,107,95,.12); color: var(--accent);
  display: flex; align-items: center; justify-content: center;
  font-size: 1.1rem;
}
.hl-value { font-size: 1.3rem; font-weight: 800; color: var(--text); line-height: 1.1; }
.hl-label { font-size: .72rem; color: var(--text3); font-weight: 600; text-transform: uppercase; letter-spacing: .04em; }

/* ────────────────────────────
   EDUCATION
──────────────────────────── */
.edu-card {
  background: var(--card); border: 1px solid var(--border);
  border-radius: var(--r-lg); padding: 2rem 2.2rem;
  display: flex; gap: 1.5rem; align-items: flex-start;
  box-shadow: var(--shadow-md); transition: box-shadow .3s, transform .3s;
}
.edu-card:hover { box-shadow: var(--shadow-lg); transform: translateY(-2px); }
.edu-icon {
  width: 52px; height: 52px; border-radius: var(--r-md);
  background: linear-gradient(135deg, var(--accent) 0%, var(--accent3) 100%);
  display: flex; align-items: center; justify-content: center;
  font-size: 1.3rem; flex-shrink: 0;
  box-shadow: 0 6px 18px rgba(217,107,95,.25);
}
.edu-degree { font-weight: 800; font-size: 1.08rem; color: var(--text); margin-bottom: .2rem; }
.edu-school { color: var(--accent); font-size: .9rem; font-weight: 500; margin-bottom: .6rem; }
.edu-meta { display: flex; gap: .6rem; flex-wrap: wrap; }
.badge {
  display: inline-flex; align-items: center; gap: .3rem;
  background: var(--bg2); border: 1px solid var(--border);
  border-radius: var(--r-sm); padding: .22rem .75rem;
  font-size: .75rem; color: var(--muted); font-weight: 500;
}
.badge.green { color: var(--accent2); border-color: rgba(85,124,200,.28); background: rgba(85,124,200,.10); }
.badge.blue  { color: var(--accent);  border-color: rgba(217,107,95,.25);  background: rgba(217,107,95,.08); }

/* ────────────────────────────
   COURSES
──────────────────────────── */
.courses-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(285px, 1fr));
  gap: 1rem;
}
.course-card {
  background: var(--card); border: 1px solid var(--border);
  border-radius: var(--r-md); padding: 1.1rem 1.3rem;
  display: flex; gap: 1rem; align-items: flex-start;
  transition: all .25s; box-shadow: var(--shadow-sm);
}
.course-card:hover {
  border-color: var(--accent); transform: translateY(-3px);
  box-shadow: 0 8px 28px rgba(217,107,95,.15);
}
.course-card.cert-clickable { cursor: pointer; }
.course-logo {
  width: 38px; height: 38px; border-radius: var(--r-sm);
  display: flex; align-items: center; justify-content: center;
  font-size: .8rem; font-weight: 800; flex-shrink: 0;
  font-family: 'Fira Code', monospace;
  box-shadow: 0 2px 6px rgba(0,0,0,.15);
}
.logo-nvidia  { background: linear-gradient(135deg,#76b900,#5a8c00); color: #fff; }
.logo-ms      { background: linear-gradient(135deg,#0078d4,#005a9e); color: #fff; }
.logo-sprints { background: linear-gradient(135deg,#ff6b35,#e55a26); color: #fff; }
.logo-huawei  { background: linear-gradient(135deg,#cf0a2c,#a00820); color: #fff; }
.logo-cisco   { background: linear-gradient(135deg,#1ba0d7,#1280ab); color: #fff; }
.course-name { font-size: .88rem; font-weight: 700; line-height: 1.4; color: var(--text); }
.course-info { display: flex; flex-direction: column; flex: 1; }
.course-details-btn {
  display: inline-flex; align-items: center; gap: .4rem;
  margin-top: .7rem; align-self: center;
  padding: .35rem .9rem; border-radius: var(--r-sm);
  font-size: .76rem; font-weight: 600; text-decoration: none;
  color: var(--accent); background: rgba(217,107,95,.08);
  border: 1px solid rgba(217,107,95,.24);
  transition: all .22s;
}
.course-details-btn:hover {
  background: var(--accent); color: #fff;
  border-color: var(--accent);
  box-shadow: 0 4px 14px rgba(217,107,95,.3);
  transform: translateY(-1px);
}
.course-details-btn i { font-size: .65rem; }

/* ────────────────────────────
   EXPERIENCE / TIMELINE
──────────────────────────── */
.timeline { position: relative; padding-left: 2.2rem; }
.timeline::before {
  content: ''; position: absolute;
  left: 10px; top: 12px; bottom: 12px; width: 2px;
  background: linear-gradient(180deg, var(--accent), rgba(233,154,88,.24), transparent);
  border-radius: 2px;
}
.timeline-item {
  position: relative;
  background: var(--card); border: 1px solid var(--border);
  border-radius: var(--r-md); padding: 1.2rem 1.5rem;
  margin-bottom: 1rem; box-shadow: var(--shadow-sm);
  transition: all .25s;
}
.timeline-item:hover {
  border-color: var(--accent);
  box-shadow: 0 6px 24px rgba(217,107,95,.12);
  transform: translateX(4px);
}
.timeline-item::before {
  content: ''; position: absolute;
  left: -2.5rem; top: 50%; transform: translateY(-50%);
  width: 12px; height: 12px; border-radius: 50%;
  background: var(--accent); border: 3px solid #fff;
  box-shadow: 0 0 0 3px rgba(217,107,95,.24); z-index: 1;
}
.timeline-header { display: flex; align-items: flex-start; justify-content: space-between; gap: 1rem; flex-wrap: wrap; }
.timeline-title { font-weight: 700; font-size: .98rem; color: var(--text); }
.timeline-title.cert-link { cursor: pointer; transition: color .2s; }
.timeline-title.cert-link:hover { color: var(--accent); }
.timeline-date {
  font-size: .74rem; color: #fff; font-weight: 600;
  background: linear-gradient(135deg, var(--accent), var(--accent3));
  padding: .18rem .65rem; border-radius: 50px;
  white-space: nowrap; flex-shrink: 0;
}
.timeline-org {
  color: var(--accent); font-size: .85rem; font-weight: 500;
  margin-top: .2rem; display: flex; align-items: center; gap: .3rem;
}
.timeline-org::before {
  content: ''; display: inline-block; width: 5px; height: 5px; border-radius: 50%;
  background: var(--accent); flex-shrink: 0;
}

/* ────────────────────────────
   SKILLS
──────────────────────────── */
.skills-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(295px, 1fr));
  gap: 1.2rem;
}
.skill-group {
  background: var(--card); border: 1px solid var(--border);
  border-radius: var(--r-md); padding: 1.5rem 1.6rem;
  box-shadow: var(--shadow-sm); transition: all .25s;
  position: relative; overflow: hidden;
}
.skill-group::before {
  content: ''; position: absolute; top: 0; left: 0; right: 0; height: 3px;
  background: linear-gradient(90deg, var(--accent), var(--accent3));
  border-radius: 3px 3px 0 0;
}
.skill-group:hover { box-shadow: var(--shadow-md); transform: translateY(-2px); }
.skill-group-title {
  font-size: .78rem; font-weight: 700;
  text-transform: uppercase; letter-spacing: .1em;
  color: var(--accent); margin-bottom: 1rem;
  display: flex; align-items: center; gap: .5rem;
}
.skill-tags { display: flex; flex-wrap: wrap; gap: .5rem; }
.skill-tag {
  background: var(--bg2); border: 1px solid var(--border);
  border-radius: var(--r-sm); padding: .28rem .78rem;
  font-size: .78rem; color: var(--text2); font-weight: 500;
  font-family: 'Fira Code', monospace; transition: all .2s; cursor: default;
}
.skill-tag:hover {
  border-color: var(--accent); color: var(--accent);
  background: rgba(217,107,95,.08); transform: translateY(-1px);
  box-shadow: 0 2px 8px rgba(217,107,95,.12);
}

/* ────────────────────────────
   SERVICES
──────────────────────────── */
.services-intro {
  max-width: 650px; color: var(--muted); font-size: .95rem;
  line-height: 1.75; margin: -1.5rem 0 2rem;
}
.services-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1rem;
}
.service-card {
  background: var(--card); border: 1px solid var(--border);
  border-radius: var(--r-lg); padding: 1.5rem 1.3rem;
  box-shadow: var(--shadow-sm); transition: all .25s;
  position: relative; overflow: hidden;
}
.service-card::before {
  content: ''; position: absolute; top: 0; left: 0; right: 0; height: 3px;
  background: linear-gradient(90deg, var(--accent), var(--accent3));
}
.service-card:hover {
  border-color: rgba(217,107,95,.45); transform: translateY(-4px);
  box-shadow: var(--shadow-hover);
}
.service-icon {
  width: 42px; height: 42px; border-radius: var(--r-sm);
  display: flex; align-items: center; justify-content: center;
  background: linear-gradient(135deg, #f8dfbd, #fff1dd);
  color: var(--accent4); font-size: 1.05rem; margin-bottom: 1rem;
}
.service-card h3 { font-size: .98rem; color: var(--text); margin-bottom: .5rem; }
.service-card p { color: var(--muted); font-size: .82rem; line-height: 1.7; }
.service-tools { display: flex; flex-wrap: wrap; gap: .35rem; margin-top: 1rem; }
.service-tools span {
  background: var(--bg2); border: 1px solid var(--border);
  border-radius: var(--r-sm); padding: .15rem .5rem;
  color: var(--text2); font-size: .68rem; font-weight: 600;
}

/* ────────────────────────────
   PROJECTS
──────────────────────────── */
.projects-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 1.3rem;
}
.project-card {
  background: #fffdfb; border: 1px solid #e6cdb9;
  border-radius: var(--r-lg); padding: 1.6rem;
  display: flex; flex-direction: column;
  transition: all .28s cubic-bezier(.4,0,.2,1);
  box-shadow: var(--shadow-sm); position: relative; overflow: hidden;
}
.project-card::after {
  content: ''; position: absolute; inset: 0; border-radius: var(--r-lg);
  background: linear-gradient(135deg, rgba(217,107,95,.04), rgba(233,154,88,.04));
  opacity: 0; transition: opacity .3s;
}
.project-card:hover {
  border-color: rgba(217,107,95,.45); transform: translateY(-5px);
  box-shadow: var(--shadow-hover);
}
.project-card:hover::after { opacity: 1; }
.project-header {
  display: flex; align-items: center; justify-content: space-between;
  margin-bottom: 1rem; position: relative; z-index: 1;
}
.project-icon {
  width: 44px; height: 44px; border-radius: var(--r-sm);
  display: flex; align-items: center; justify-content: center;
  font-size: 1.1rem; flex-shrink: 0;
  box-shadow: 0 3px 10px rgba(0,0,0,.08);
}
.pi-data     { background: linear-gradient(135deg, #f7d8cf, #fbece6); color: #bd554d; }
.pi-software { background: linear-gradient(135deg, #f8dfbd, #fff1dd); color: #c8783f; }
.pi-iot      { background: linear-gradient(135deg, #dbe5f7, #eef3fc); color: #4e70b2; }
.project-cat {
  font-size: .7rem; font-weight: 700; text-transform: uppercase;
  letter-spacing: .08em; color: #9f584d;
  background: #fff1eb; border: 1px solid #efc9bc;
  padding: .18rem .6rem; border-radius: 50px;
}
.project-name { font-weight: 800; font-size: 1rem; margin-bottom: .5rem; color: #49312b; position: relative; z-index: 1; }
.project-desc { font-size: .84rem; color: #795b50; flex: 1; line-height: 1.7; position: relative; z-index: 1; }
.project-stack { display: flex; flex-wrap: wrap; gap: .4rem; margin-top: 1.1rem; position: relative; z-index: 1; }
.project-stack .tag {
  background: #f6f0eb; border: 1px solid #e4d5cb;
  border-radius: var(--r-sm); padding: .16rem .58rem;
  font-size: .71rem; color: #5e6f9c; font-weight: 600; transition: all .2s;
}
.project-card:hover .project-stack .tag {
  background: rgba(217,107,95,.08); border-color: rgba(217,107,95,.22); color: var(--accent);
}
.project-details-btn {
  display: inline-flex; align-items: center; gap: .45rem;
  margin-top: 1.1rem; align-self: center;
  padding: .42rem 1rem; border-radius: var(--r-sm);
  font-size: .8rem; font-weight: 600; text-decoration: none;
  color: #bd554d; background: #fff1eb;
  border: 1px solid #efc9bc;
  transition: all .22s; position: relative; z-index: 1;
}
.project-details-btn:hover {
  background: var(--accent); color: #fff;
  border-color: var(--accent);
  box-shadow: 0 4px 14px rgba(217,107,95,.3);
  transform: translateY(-1px);
}

/* ────────────────────────────
   ACTIVITIES
──────────────────────────── */
.activity-card {
  background: var(--card); border: 1px solid var(--border);
  border-radius: var(--r-lg); padding: 2rem 2.2rem;
  display: flex; gap: 1.6rem; align-items: flex-start;
  box-shadow: var(--shadow-md); position: relative; overflow: hidden; transition: all .3s;
}
.activity-card::before {
  content: ''; position: absolute; bottom: 0; right: 0;
  width: 200px; height: 200px;
  background: radial-gradient(circle, rgba(233,154,88,.08), transparent 70%);
  pointer-events: none;
}
.activity-card:hover { box-shadow: var(--shadow-lg); transform: translateY(-2px); }
.activity-icon {
  width: 52px; height: 52px; border-radius: var(--r-md);
  background: linear-gradient(135deg, var(--accent), var(--accent3));
  display: flex; align-items: center; justify-content: center;
  font-size: 1.2rem; flex-shrink: 0; color: #fff;
  box-shadow: 0 6px 18px rgba(217,107,95,.3);
}
.activity-title { font-weight: 800; margin-bottom: .5rem; font-size: 1.02rem; }
.activity-desc  { color: var(--muted); font-size: .9rem; line-height: 1.75; }
.activity-cert-btn {
  display: inline-flex; align-items: center; gap: .4rem;
  margin-top: .9rem; padding: .4rem .85rem;
  border: 1px solid #efc9bc; border-radius: var(--r-sm);
  background: #fff1eb; color: #bd554d;
  font-size: .78rem; font-weight: 600; text-decoration: none;
  transition: all .22s;
}
.activity-cert-btn:hover {
  background: var(--accent); border-color: var(--accent); color: #fff;
  box-shadow: 0 4px 14px rgba(217,107,95,.25);
  transform: translateY(-1px);
}

/* ────────────────────────────
   CONTACT
──────────────────────────── */
#contact { padding-bottom: 8rem; }
.contact-card {
  background: var(--card); border: 1px solid rgba(217,107,95,.24);
  border-radius: var(--r-xl); padding: 3rem 2.5rem;
  text-align: center; position: relative; overflow: hidden;
  box-shadow: var(--shadow-lg);
}
.contact-card::before {
  content: ''; position: absolute; inset: 0;
  background:
    radial-gradient(ellipse 70% 50% at 50% -10%, rgba(233,154,88,.12) 0%, transparent 70%),
    radial-gradient(ellipse 50% 40% at 80% 110%, rgba(217,107,95,.08) 0%, transparent 60%);
  pointer-events: none;
}
.contact-card h3 {
  font-size: 1.8rem; font-weight: 800; margin-bottom: .6rem;
  background: linear-gradient(135deg, var(--text), var(--accent));
  -webkit-background-clip: text; -webkit-text-fill-color: transparent;
  background-clip: text; position: relative; z-index: 1;
}
.contact-card > p {
  color: var(--muted); margin-bottom: 2.2rem; max-width: 420px; margin-inline: auto;
  font-size: .95rem; line-height: 1.7; position: relative; z-index: 1;
}
.contact-items { display: flex; gap: 1rem; justify-content: center; flex-wrap: wrap; position: relative; z-index: 1; }
.contact-item {
  display: flex; align-items: center; gap: .65rem;
  background: var(--bg2); border: 1px solid var(--border);
  border-radius: var(--r-md); padding: .75rem 1.3rem;
  text-decoration: none; color: var(--text2); font-size: .88rem; font-weight: 500;
  transition: all .25s; box-shadow: var(--shadow-sm);
}
.contact-item:hover {
  border-color: var(--accent); color: var(--accent);
  background: rgba(217,107,95,.08); transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(217,107,95,.15);
}
.contact-item i { color: var(--accent); font-size: 1rem; }

/* ────────────────────────────
   FOOTER
──────────────────────────── */
footer {
  text-align: center; padding: 2.2rem 2rem;
  border-top: 1px solid var(--border);
  color: var(--muted); font-size: .82rem;
  background: var(--bg2);
}
footer strong { color: var(--accent); font-weight: 700; }

/* ────────────────────────────
   HAMBURGER / MOBILE NAV
──────────────────────────── */
.hamburger {
  display: none; flex-direction: column; gap: 5px;
  cursor: pointer; padding: .4rem;
  border-radius: var(--r-sm); transition: background .2s;
}
.hamburger:hover { background: var(--bg2); }
.hamburger span {
  display: block; width: 22px; height: 2px;
  background: var(--text); border-radius: 2px; transition: all .3s;
}

/* ────────────────────────────
   RESPONSIVE – TABLET (≤1024px)
──────────────────────────── */
@media (max-width: 1024px) {
  nav { padding: 0 2rem; }
  section { padding: 4rem 2rem; }
  #hero { padding: 7rem 2rem 4rem; }
  .hero-content { gap: 2.5rem; }
  .hero-photo-ring { width: 240px; height: 240px; }
  .hero-name { font-size: clamp(1.8rem, 4vw, 2.6rem); }
  .hero-title { font-size: clamp(.95rem, 2vw, 1.1rem); }
  .about-grid { grid-template-columns: 1fr; }
  .about-highlights { grid-template-columns: repeat(4, 1fr); }
  .projects-grid { grid-template-columns: repeat(auto-fill, minmax(260px, 1fr)); }
  .services-grid { grid-template-columns: repeat(2, 1fr); }
}

/* ────────────────────────────
   RESPONSIVE – MOBILE (≤760px)
──────────────────────────── */
@media (max-width: 760px) {
  html { font-size: 95%; }

  /* NAV */
  nav { padding: 0 1.2rem; }
  .hamburger { display: flex; }
  .nav-links {
    display: none; flex-direction: column;
    position: fixed; top: 64px; left: 0; right: 0;
    background: #fff; border-bottom: 1px solid var(--border);
    padding: 1.5rem 1.5rem; gap: 1.2rem;
    box-shadow: 0 6px 24px rgba(26,31,54,.1); z-index: 999;
  }
  .nav-links.open { display: flex; }

  /* SECTIONS */
  section { padding: 3.5rem 1.2rem; }
  .section-header h2 { font-size: 1.35rem; }

  /* HERO */
  #hero { padding: 6rem 1.2rem 3rem; }
  .hero-content { flex-direction: column-reverse; align-items: center; gap: 1.8rem; }
  .hero-text { text-align: center; }
  .hero-name { font-size: clamp(1.5rem, 6vw, 2rem); }
  .hero-title { font-size: .9rem; }
  .hero-location, .hero-links, .hero-stats { justify-content: center; }
  .hero-photo-ring { width: 180px; height: 180px; }
  .hero-stats { border-radius: var(--r-md); flex-wrap: wrap; gap: .5rem; }
  .stat-item + .stat-item::before { display: none; }
  .stat-value { font-size: 1.2rem; }

  /* ABOUT */
  .about-grid { grid-template-columns: 1fr; gap: 1.2rem; }
  .about-bio { padding: 1.4rem 1.5rem; }
  .about-highlights { grid-template-columns: repeat(2, 1fr); gap: .7rem; }
  .highlight-card { padding: 1rem .8rem; }
  .hl-value { font-size: 1.1rem; }

  /* EDUCATION */
  .edu-card { flex-direction: column; gap: 1rem; }

  /* PROJECTS */
  .projects-grid { grid-template-columns: 1fr; }

  /* SERVICES */
  .services-grid { grid-template-columns: 1fr; }

  /* COURSES */
  .courses-grid { grid-template-columns: 1fr; }

  /* CONTACT */
  .contact-card { padding: 2rem 1.4rem; }
  .contact-items { flex-direction: column; gap: .8rem; }
  .contact-item { width: 100%; justify-content: center; }

  /* MISC */
  section:nth-child(even)::before { display: none; }
}

/* ────────────────────────────
   SCROLL-REVEAL ANIMATION
──────────────────────────── */
.reveal {
  opacity: 0; transform: translateY(24px);
  transition: opacity .6s cubic-bezier(.4,0,.2,1), transform .6s cubic-bezier(.4,0,.2,1);
}
.reveal.visible { opacity: 1; transform: none; }

/* Stagger children */
.courses-grid .reveal:nth-child(2) { transition-delay: .07s; }
.courses-grid .reveal:nth-child(3) { transition-delay: .14s; }
.courses-grid .reveal:nth-child(4) { transition-delay: .21s; }
.courses-grid .reveal:nth-child(5) { transition-delay: .28s; }
.courses-grid .reveal:nth-child(6) { transition-delay: .35s; }
.courses-grid .reveal:nth-child(7) { transition-delay: .42s; }
.projects-grid .reveal:nth-child(2) { transition-delay: .08s; }
.projects-grid .reveal:nth-child(3) { transition-delay: .16s; }