:root {
  --bg:         #f7f6f3;
  --bg-2:       #ffffff;
  --border:     rgba(0,0,0,0.08);
  --accent:     #00a29a;
  --accent-hov: #397273;
  --accent-dim: rgba(0,162,154,0.08);
  --accent-mid: rgba(0,162,154,0.15);
  --dark:       #111827;
  --gray:       #6b7280;
  --gray-light: #9ca3af;
  --text:       #1f2937;
  --radius:     12px;
  --radius-lg:  20px;
  --transition: 0.3s cubic-bezier(0.4,0,0.2,1);
  --max-w:      1200px;
  --shadow-sm:  0 1px 3px rgba(0,0,0,0.08);
  --shadow-md:  0 4px 16px rgba(0,0,0,0.08);
  --shadow-lg:  0 16px 48px rgba(0,0,0,0.10);
  --font:       'Tajawal', sans-serif;
}

*, *::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);
  line-height: 1.7;
  font-size: 16px;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  padding-top: 105px;
}
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
ul { list-style: none; }

h1 { font-size: clamp(2rem,5vw,3.2rem); font-weight: 900; line-height: 1.2; color: var(--dark); }
h2 { font-size: clamp(1.5rem,3vw,2rem); font-weight: 800; line-height: 1.3; color: var(--dark); }
h3 { font-size: 1.05rem; font-weight: 700; color: var(--dark); }

.container { max-width: var(--max-w); margin: 0 auto; padding: 0 24px; }
#site-header .container { 
  width: 100%;
  padding-left: 24px;
  padding-right: 24px;
  display: flex;
  align-items: center;
}
/* Alternating section backgrounds */
section { padding: 88px 0; }

/* SECTION BACKGROUNDS */

/* Remove conflicting nth-child rules */
section:nth-child(odd) { background: none; }
section:nth-child(even) { background: none; }

/* ABOUT */
.about-inner { display: grid; grid-template-columns: 1fr 1.4fr; gap: 64px; align-items: start; }
.about-info { display: flex; flex-direction: column; gap: 16px; }
.about-inner h2 { margin-bottom: 20px; }
.accent-line { width: 48px; height: 3px; background: var(--accent); border-radius: 999px; margin-bottom: 12px; }
.info-row { display: flex; align-items: center; gap: 14px; padding: 14px 16px; background: var(--bg-2); border-radius: var(--radius); border: 1px solid var(--border); }
.info-icon { width: 38px; height: 38px; border-radius: 10px; background: var(--accent-dim); display: flex; align-items: center; justify-content: center; color: var(--accent); font-size: 1rem; flex-shrink: 0; }
.info-label { font-size: 0.72rem; color: var(--gray-light); font-weight: 600; display: block; }
.info-val { font-size: 0.88rem; font-weight: 700; color: var(--dark); }
.about-text p { color: var(--gray); line-height: 1.85; margin-bottom: 1rem; }
.about-text p:last-child { margin-bottom: 0; }

/* CONTACT */
.contact-inner { display: grid; grid-template-columns: 1fr 1fr; gap: 32px; align-items: start; }
.contact-info { display: flex; flex-direction: column; gap: 12px; }
.contact-card { display: flex; align-items: center; gap: 14px; padding: 14px 16px; background: var(--bg-2); border: 1px solid var(--border); border-radius: var(--radius); transition: border-color var(--transition); }
.contact-card:hover { border-color: rgba(0,162,154,0.25); }
.contact-card-icon { width: 40px; height: 40px; border-radius: 10px; background: var(--accent-dim); display: flex; align-items: center; justify-content: center; color: var(--accent); font-size: 1rem; flex-shrink: 0; }
.contact-card-label { font-size: 0.72rem; color: var(--gray-light); font-weight: 600; display: block; margin-bottom: 3px; }
.contact-card-val { font-size: 0.88rem; font-weight: 700; color: var(--dark); }
.contact-social-box { background: var(--bg-2); border: 1px solid var(--border); border-radius: var(--radius-lg); padding: 1.5rem; }
.contact-social-title { font-size: 0.85rem; font-weight: 700; color: var(--dark); margin-bottom: 14px; }
.social-row { display: flex; gap: 10px; flex-wrap: wrap; }
.social-btn { width: 42px; height: 42px; border-radius: 10px; border: 1px solid var(--border); background: var(--bg); display: flex; align-items: center; justify-content: center; color: var(--gray); font-size: 1rem; transition: var(--transition); }
.social-btn:hover { border-color: var(--accent); color: var(--accent); background: var(--accent-dim); transform: translateY(-2px); }
.social-btn-whatsapp { color: #25d366; border-color: rgba(37,211,102,0.3); }
.social-btn-whatsapp:hover { background: rgba(37,211,102,0.08); border-color: #25d366; color: #25d366; }
.social-btn-email { color: var(--accent); }
.contact-avail { display: inline-flex; align-items: center; gap: 8px; background: var(--accent-dim); border: 1px solid var(--accent-mid); border-radius: 999px; padding: 8px 16px; font-size: 0.82rem; font-weight: 700; color: var(--accent); margin-top: 20px; }
.contact-avail-dot { width: 8px; height: 8px; border-radius: 50%; background: #22c55e; animation: pulse 2s infinite; flex-shrink: 0; }
.contact-avail.unavailable { color: #ef4444; background: rgba(239,68,68,0.08); border-color: rgba(239,68,68,0.2); }
.contact-avail.unavailable .contact-avail-dot { background: #ef4444; animation: pulse-red 2s infinite; }

.btn {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 12px 26px; border-radius: 8px;
  font-family: var(--font); font-size: 0.92rem; font-weight: 700;
  cursor: pointer; border: none;
  transition: var(--transition); text-decoration: none; white-space: nowrap;
}
.btn-accent { background: var(--accent); color: #fff; }
.btn-accent:hover { background: var(--accent-hov); transform: translateY(-2px); box-shadow: 0 8px 24px rgba(0,162,154,0.25); }
.btn-outline { background: transparent; color: var(--dark); border: 1.5px solid rgba(0,0,0,0.15); }
.btn-outline:hover { border-color: var(--accent); color: var(--accent); transform: translateY(-2px); }

/* DEMO BANNER */
#demo-banner {
  background: var(--dark); color: rgba(255,255,255,0.75);
  text-align: center; font-size: 0.78rem; font-weight: 600;
  height: 33px;
  display: flex; align-items: center; justify-content: center; gap: 6px;
  padding: 0 16px;
  position: fixed; top: 0; left: 0; right: 0; z-index: 1100;
  flex-wrap: nowrap; overflow: hidden;
  font-family: 'Tajawal', Arial, sans-serif;
  border-bottom: 1px solid rgba(255,255,255,0.1);
}
#demo-banner a { color: var(--accent); font-weight: 700; border-bottom: 1px solid rgba(0,162,154,0.4); transition: color var(--transition); }
#demo-banner a:hover { color: #8dd1e0; }
#demo-banner .demo-badge {
  background: var(--accent); color: #fff;
  font-size: 0.68rem; font-weight: 800;
  padding: 2px 9px; border-radius: 999px; letter-spacing: 0.05em;
}

/* NO BANNER MODE */
body.no-banner { padding-top: 72px; }
body.no-banner #site-header { top: 0; }
body.no-banner #mobileNav { top: 72px; }

/* HEADER */
#site-header {
  position: fixed; left: 0; right: 0; z-index: 1000;
  height: 72px;
  background: rgba(247,246,243,0.98);
  backdrop-filter: blur(20px); -webkit-backdrop-filter: blur(20px);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  transition: box-shadow var(--transition);
  top: 33px;
  display: flex;
  align-items: center;
}

#site-header.scrolled { box-shadow: var(--shadow-md); }
.header-inner { 
  display: flex; 
  align-items: center; 
  justify-content: space-between; 
  width: 1050px; 
  height: 50px;
  gap: 0; 
}
.logo-text { font-size: 1.2rem; font-weight: 900; color: var(--dark); display: flex; align-items: center; gap: 6px; }
.logo-dot { width: 8px; height: 8px; border-radius: 50%; background: var(--accent); display: inline-block; }
.site-nav { display: flex; align-items: center; gap: 0; }
.site-nav a { padding: 8px 18px; border-radius: 6px; font-size: 0.9rem; font-weight: 500; color: var(--gray); transition: var(--transition); white-space: nowrap; }
.site-nav a:hover { color: var(--dark); background: rgba(0,0,0,0.05); }
.site-nav a.active { color: var(--accent); }
.nav-cta { margin-left: auto; }
.hamburger { display: none; background: none; border: none; cursor: pointer; padding: 8px; color: var(--dark); font-size: 1.3rem; }
.mobile-nav { display: none; flex-direction: column; gap: 4px; position: fixed; right: 0; left: 0; background: var(--bg); padding: 16px; border-bottom: 1px solid var(--border); z-index: 999; top: 106px; }
.mobile-nav.open { display: flex; }
.mobile-nav a { padding: 10px 14px; font-size: 0.95rem; font-weight: 500; color: var(--gray); border-radius: 8px; }
.mobile-nav a:hover { background: rgba(0,0,0,0.04); color: var(--dark); }

/* HERO */
#hero {
  min-height: 100vh; display: flex; align-items: center;
  padding-top: 68px; position: relative; overflow: hidden;
}
#hero::before {
  content: ''; position: absolute; top: -80px; left: -120px;
  width: 600px; height: 600px;
  background: radial-gradient(circle, rgba(0,162,154,0.07) 0%, transparent 70%);
  border-radius: 50%; pointer-events: none;
}
.hero-inner { display: grid; grid-template-columns: 1fr 1fr; gap: 64px; align-items: center; }
.hero-inner > div:first-child { margin-top: -130px; }
.hero-badge {
  display: inline-flex; align-items: center; gap: 8px;
  background: var(--accent-dim); border: 1px solid var(--accent-mid);
  border-radius: 999px; padding: 6px 16px;
  font-size: 0.8rem; font-weight: 700; color: var(--accent); margin-bottom: 1.5rem;
}
.hero-available {
  width: 8px; height: 8px; border-radius: 50%; background: #22c55e;
  box-shadow: 0 0 0 3px rgba(34,197,94,0.2); animation: pulse 2s infinite;
}
.hero-available.unavailable {
  background: #ef4444;
  box-shadow: 0 0 0 3px rgba(239,68,68,0.2);
}
@keyframes pulse { 0%,100%{box-shadow:0 0 0 3px rgba(34,197,94,0.2)} 50%{box-shadow:0 0 0 6px rgba(34,197,94,0.08)} }
@keyframes pulse-red { 0%,100%{box-shadow:0 0 0 3px rgba(239,68,68,0.2)} 50%{box-shadow:0 0 0 6px rgba(239,68,68,0.08)} }
.hero-available.unavailable { animation: pulse-red 2s infinite; }
.hero-title { margin-bottom: 1rem; }
.hero-sub { font-size: 1rem; color: var(--gray); line-height: 1.85; margin-bottom: 2rem; max-width: 480px; }
.hero-buttons { display: flex; flex-wrap: wrap; gap: 12px; margin-bottom: 2.5rem; }
.hero-stats { display: flex; gap: 32px; }
.stat-item { text-align: center; }
.stat-num { font-size: 1.6rem; font-weight: 900; color: var(--dark); line-height: 1; }
.stat-num span { color: var(--accent); }
.stat-label { font-size: 0.78rem; color: var(--gray); margin-top: 4px; }
.stat-divider { width: 1px; background: var(--border); }

.hero-visual { display: flex; align-items: center; justify-content: center; position: relative; padding: 48px 40px; }
.profile-card {
  background: var(--bg-2); border-radius: var(--radius-lg);
  border: 1px solid var(--border); padding: 32px;
  box-shadow: var(--shadow-lg); width: 100%; max-width: 360px; position: relative;
}
.profile-card::before {
  content: ''; position: absolute; top: 0; right: 0; left: 0; height: 4px;
  background: linear-gradient(90deg, var(--accent), #8dd1e0);
  border-radius: var(--radius-lg) var(--radius-lg) 0 0;
}
.profile-avatar {
  width: 88px; height: 88px; border-radius: 50%;
  background: var(--accent-dim); border: 3px solid var(--accent-mid);
  display: flex; align-items: center; justify-content: center;
  font-size: 2rem; font-weight: 900; color: var(--accent); margin: 0 auto 20px;
}
.profile-name { text-align: center; font-size: 1.15rem; font-weight: 800; color: var(--dark); margin-bottom: 4px; }
.profile-role { text-align: center; font-size: 0.82rem; color: var(--gray); margin-bottom: 20px; }
.profile-tags { display: flex; flex-wrap: wrap; gap: 6px; justify-content: center; margin-bottom: 20px; }
.tags-container {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  justify-content: center;
  margin-top: 20px;
}

.tag {
  background: var(--accent);
  color: #fff;
  padding: 6px 14px;
  border-radius: 999px;
  font-size: 0.75rem;
  font-weight: 600;
  display: inline-flex;
  align-items: center;
  white-space: nowrap;
  box-shadow: 0 2px 8px rgba(0, 162, 154, 0.15);
  transition: all 0.2s ease;
}

.tag:hover {
  background: var(--accent-hov);
  transform: translateY(-1px);
  box-shadow: 0 4px 12px rgba(0, 162, 154, 0.25);
}
.profile-contact { border-top: 1px solid var(--border); padding-top: 20px; font-size: 0.85rem; color: var(--gray); }
.contact-row { display: flex; align-items: center; gap: 8px; margin: 8px 0; }
.contact-row i { color: var(--accent); }

/* SKILLS — tag-based (Option A) */
.skills-tags-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 28px 40px; }
.skill-group-title { font-size: 0.78rem; font-weight: 700; text-transform: uppercase; letter-spacing: 0.12em; color: var(--accent); margin-bottom: 16px; padding-bottom: 10px; border-bottom: 1px solid var(--border); }
.skill-tags-row { display: flex; flex-wrap: wrap; gap: 10px; }
.skill-tag { display: inline-flex; align-items: center; gap: 6px; background: var(--bg-2); border: 1px solid var(--border); border-radius: 999px; padding: 6px 14px; font-size: 0.82rem; font-weight: 600; color: var(--dark); transition: border-color var(--transition), background var(--transition); }
.skill-tag:hover { border-color: var(--accent); background: var(--accent-dim); color: var(--accent); }
.skill-tag i { color: var(--accent); font-size: 0.8rem; }

/* TIMELINE */
/* SCROLL ANIMATIONS */
.fade-in { opacity: 0; transform: translateY(20px); transition: opacity 0.6s ease, transform 0.6s ease; }
.fade-in.visible { opacity: 1; transform: translateY(0); }

/* CERTIFICATIONS */
.cert-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(280px, 1fr)); gap: 20px; }
.cert-card { background: var(--bg-2); border: 1px solid var(--border); border-radius: var(--radius); padding: 20px; display: flex; gap: 16px; align-items: flex-start; transition: border-color var(--transition), box-shadow var(--transition); }
.cert-card:hover { border-color: rgba(0,162,154,0.25); box-shadow: var(--shadow-md); }
.cert-icon { width: 44px; height: 44px; border-radius: 10px; background: var(--accent-dim); display: flex; align-items: center; justify-content: center; color: var(--accent); font-size: 1.2rem; flex-shrink: 0; }
.cert-body { flex: 1; }
.cert-name { font-size: 0.95rem; font-weight: 800; color: var(--dark); margin-bottom: 4px; }
.cert-issuer { font-size: 0.82rem; color: var(--accent); font-weight: 600; margin-bottom: 10px; }
.cert-meta { display: flex; flex-direction: column; gap: 4px; margin-bottom: 10px; }
.cert-meta span { font-size: 0.75rem; color: var(--gray); display: flex; align-items: center; gap: 6px; }
.cert-meta span i { color: var(--accent); font-size: 0.7rem; }
.cert-noexpiry { color: var(--accent) !important; font-weight: 600; }
.cert-verify { display: inline-flex; align-items: center; gap: 6px; font-size: 0.75rem; font-weight: 700; color: var(--accent); border: 1px solid var(--accent-mid); border-radius: 999px; padding: 4px 12px; transition: var(--transition); text-decoration: none; }
.cert-verify:hover { background: var(--accent-dim); }

.timeline { position: relative; }
.timeline::before { content: ''; position: absolute; top: 0; bottom: 0; right: 18px; width: 2px; background: linear-gradient(to bottom, var(--accent), transparent); }
.timeline-item { display: flex; gap: 32px; margin-bottom: 40px; position: relative; }
.timeline-item:last-child { margin-bottom: 0; }
.timeline-dot { width: 38px; height: 38px; border-radius: 50%; background: var(--bg-2); border: 2px solid var(--accent); display: flex; align-items: center; justify-content: center; color: var(--accent); font-size: 0.9rem; flex-shrink: 0; position: relative; z-index: 1; }
.timeline-dot.current { background: var(--accent); color: #fff; }
.timeline-body { flex: 1; background: var(--bg); border: 1px solid var(--border); border-radius: var(--radius); padding: 20px 22px; transition: border-color var(--transition), box-shadow var(--transition); }
.timeline-body:hover { border-color: rgba(0,162,154,0.25); box-shadow: var(--shadow-md); }
.timeline-header { display: flex; justify-content: space-between; align-items: flex-start; flex-wrap: wrap; gap: 8px; margin-bottom: 8px; }
.timeline-role { font-size: 1rem; font-weight: 800; color: var(--dark); }
.timeline-date { font-size: 0.75rem; font-weight: 700; padding: 3px 10px; border-radius: 999px; background: var(--accent-dim); color: var(--accent); white-space: nowrap; }
.timeline-company { font-size: 0.85rem; color: var(--gray); margin-bottom: 10px; display: flex; align-items: center; gap: 6px; }
.timeline-company i { color: var(--accent); font-size: 0.8rem; }
.timeline-desc { font-size: 0.87rem; color: var(--gray); line-height: 1.75; }
.timeline-tags { display: flex; flex-wrap: wrap; gap: 6px; margin-top: 12px; }
.timeline-tag { font-size: 0.7rem; font-weight: 600; padding: 3px 9px; border-radius: 999px; background: rgba(0,0,0,0.05); color: var(--gray); }

/* EDUCATION */

.edu-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 24px; }
.edu-card { background: var(--bg-2); border: 1px solid var(--border); border-radius: var(--radius); padding: 24px; display: flex; gap: 18px; align-items: flex-start; transition: border-color var(--transition), box-shadow var(--transition); }
.edu-card:hover { border-color: rgba(0,162,154,0.2); box-shadow: var(--shadow-md); }
.edu-icon { width: 48px; height: 48px; border-radius: 12px; background: var(--accent-dim); display: flex; align-items: center; justify-content: center; color: var(--accent); font-size: 1.2rem; flex-shrink: 0; }
.edu-degree { font-size: 0.95rem; font-weight: 800; color: var(--dark); margin-bottom: 4px; }
.edu-field { font-size: 0.82rem; color: var(--accent); font-weight: 700; margin-bottom: 4px; }
.edu-inst { font-size: 0.82rem; color: var(--gray); margin-bottom: 6px; }
.edu-year { font-size: 0.75rem; color: var(--gray-light); font-weight: 600; }

/* PORTFOLIO — Option A: numbered rows */
.porto-list { display: flex; flex-direction: column; }
.porto-row { display: flex; align-items: center; gap: 20px; padding: 20px 0; border-bottom: 1px solid var(--border); transition: background var(--transition); }
.porto-row:first-child { border-top: 1px solid var(--border); }
.porto-row:hover .porto-bar { opacity: 1; }
.porto-num { font-size: 2.2rem; font-weight: 900; color: rgba(0,162,154,0.12); font-family: monospace; line-height: 1; min-width: 52px; text-align: center; flex-shrink: 0; }
.porto-bar { width: 3px; min-height: 48px; align-self: stretch; background: var(--accent); border-radius: 999px; opacity: 0.2; flex-shrink: 0; transition: opacity var(--transition); }
.porto-content { flex: 1; }
.porto-top { display: flex; align-items: center; gap: 8px; margin-bottom: 4px; flex-wrap: wrap; }
.porto-title { font-size: 1rem; font-weight: 800; color: var(--dark); }
.porto-feat { font-size: 0.68rem; font-weight: 700; padding: 2px 9px; border-radius: 999px; background: var(--accent); color: #fff; }
.porto-desc { font-size: 0.82rem; color: var(--gray); line-height: 1.6; margin-bottom: 8px; }
.porto-tags { display: flex; flex-wrap: wrap; gap: 5px; }
.porto-tag { font-size: 0.68rem; padding: 2px 8px; border-radius: 999px; border: 1px solid var(--border); color: var(--gray); }
.porto-right { display: flex; flex-direction: column; align-items: flex-start; gap: 8px; flex-shrink: 0; min-width: 100px; }
.porto-cat { font-size: 0.68rem; font-weight: 700; padding: 3px 10px; border-radius: 999px; border: 1px solid var(--accent-mid); color: var(--accent); background: var(--accent-dim); }
.porto-link { font-size: 0.78rem; font-weight: 700; color: var(--accent); text-decoration: none; white-space: nowrap; }
.porto-link:hover { text-decoration: underline; }

/* SERVICES */
.services-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.service-card { background: var(--bg-2); border: 1px solid var(--border); border-radius: var(--radius-lg); padding: 28px 24px; position: relative; overflow: hidden; transition: transform var(--transition), box-shadow var(--transition), border-color var(--transition); border-right: 3px solid transparent; }
.service-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-md); border-color: var(--accent); border-right-color: var(--accent); background: var(--bg); }
.service-num { font-size: 0.68rem; font-weight: 700; color: var(--gray-light); font-family: monospace; letter-spacing: 0.05em; margin-bottom: 16px; display: block; }
.service-icon { font-size: 2rem; color: var(--accent); margin-bottom: 16px; display: block; }
.service-title { font-size: 1rem; font-weight: 800; color: var(--dark); margin-bottom: 10px; }
.service-desc { font-size: 0.85rem; color: var(--gray); line-height: 1.75; }

/* FOOTER */
#site-footer { background: var(--bg); border-top: 1px solid var(--border); padding: 48px 0 24px; font-size: 0.85rem; }
.footer-top { display: grid; grid-template-columns: 1fr 1fr; align-items: start; gap: 48px; margin-bottom: 36px; }
.footer-brand-col { display: flex; flex-direction: column; gap: 6px; }
.footer-name { font-size: 1.1rem; font-weight: 900; color: var(--dark); display: flex; align-items: center; gap: 8px; }
.footer-name .logo-dot { background: var(--accent); width: 8px; height: 8px; border-radius: 50%; display: inline-block; flex-shrink: 0; }
.footer-job-title { font-size: 0.78rem; color: var(--gray); margin-bottom: 10px; }
.footer-social { display: flex; gap: 8px; align-items: center; margin-top: 4px; }
.footer-social-btn { width: 34px; height: 34px; border-radius: 50%; border: 1px solid var(--border); background: var(--bg); display: flex; align-items: center; justify-content: center; color: var(--gray); font-size: 0.9rem; transition: var(--transition); }
.footer-social-btn:hover { border-color: var(--accent); color: var(--accent); background: var(--accent-dim); }
.footer-soc-email { color: var(--accent); border-color: var(--accent-mid); }
.footer-social-wa { color: #25d366; border-color: rgba(37,211,102,0.3); }
.footer-social-wa:hover { background: rgba(37,211,102,0.08); border-color: #25d366; color: #25d366; }

.footer-nav-col { display: grid; grid-template-columns: 1fr 1fr; gap: 10px 24px; align-items: start; justify-items: end; }
.footer-nav-col a { font-size: 0.82rem; color: var(--gray); transition: color var(--transition); }
.footer-nav-col a:hover { color: var(--accent); }
.footer-divider { border: none; border-top: 1px solid var(--border); margin-bottom: 20px; }
.footer-bottom { display: flex; justify-content: center; align-items: center; }
.footer-copy { font-size: 0.78rem; color: var(--gray-light); }
.footer-copy a { color: var(--accent); font-weight: 700; text-decoration: none; }
.footer-copy a:hover { text-decoration: underline; }

/* SCROLL TOP */
#scroll-top { position: fixed; bottom: 30px; left: 30px; width: 50px; height: 50px; border-radius: 50%; background: var(--accent); color: #fff; border: none; cursor: pointer; font-size: 1.2rem; display: none; z-index: 99; box-shadow: var(--shadow-md); transition: var(--transition); }
#scroll-top.visible { display: flex; align-items: center; justify-content: center; }
#scroll-top:hover { background: var(--accent-hov); transform: scale(1.1); }

/* RESPONSIVE */
@media (max-width: 900px) {
  .hero-inner { grid-template-columns: 1fr; gap: 32px; }
  .hero-inner > div:first-child { margin-top: 0; }
  .hero-visual { order: -1; padding: 32px 24px 0; }
  .profile-card { max-width: 100%; }
  #hero { padding-top: 80px; min-height: auto; padding-bottom: 48px; }
  .about-inner { grid-template-columns: 1fr; gap: 32px; }
  .skills-tags-grid { grid-template-columns: 1fr; }
  .porto-num { font-size: 1.5rem; min-width: 36px; }
  .porto-right { min-width: 80px; }
  .services-grid { grid-template-columns: 1fr 1fr; }
  .edu-grid { grid-template-columns: 1fr; }
  .contact-inner { grid-template-columns: 1fr; gap: 36px; }
}
@media (max-width: 640px) {
  section { padding: 64px 0; }
  .hamburger { display: block; }
  .site-nav { display: none; }
  .porto-right { flex-direction: row; align-items: center; min-width: unset; }
  .porto-num { display: none; }
  .services-grid { grid-template-columns: 1fr; }
  .cert-grid { grid-template-columns: 1fr; }
  .form-row { grid-template-columns: 1fr; }
  .hero-stats { gap: 16px; }
  .hero-stats .stat-num { font-size: 1.3rem; }
  .footer-top { grid-template-columns: 1fr; gap: 28px; }
  .footer-nav-col { grid-template-columns: repeat(3, auto); justify-items: start; }
  .footer-bottom { text-align: center; justify-content: center; }
  #demo-banner { font-size: 0.7rem; padding: 0 10px; gap: 4px; height: 33px; flex-wrap: nowrap; }
  #demo-banner .demo-badge { display: none; }
  .hero-visual { padding: 24px 16px 0; }
  .profile-card { padding: 20px; }
  .profile-avatar { width: 64px; height: 64px; font-size: 1.4rem; }
}

.section-header { margin-bottom: 56px; }
/* LANGUAGE SWITCHER */
.header-actions { display:flex; align-items:center; gap:12px; }
.lang-switcher { display:flex; align-items:center; gap:6px; background:var(--bg-2); border:1px solid var(--border); border-radius:20px; padding:4px 10px; }
.lang-btn { font-size:0.75rem; font-weight:700; color:var(--gray); text-decoration:none; letter-spacing:0.05em; transition:color 0.2s; }
.lang-btn.active { color:var(--accent); }
.lang-sep { color:var(--border); font-size:0.75rem; }
.lang-btn:hover { color:var(--accent); }

/* LTR (English) overrides */
[dir="ltr"] .contact-card-val[dir="ltr"] { text-align: left; }
[dir="ltr"] .section-header { text-align: left; }
[dir="ltr"] .accent-line { margin-right: 0; margin-left: 0; }
[dir="ltr"] body { font-family: 'Inter', sans-serif; }