/* ===========================
   CSS VARIABLES / DESIGN TOKENS
   =========================== */
:root {
  --accent: #6c63ff;
  --accent-glow: rgba(108, 99, 255, 0.35);
  --accent-light: #a89cff;

  /* Dark Theme (default) */
  --bg: #0d0d14;
  --bg-alt: #111120;
  --surface: #1a1a2e;
  --surface-2: #22223a;
  --border: #2a2a45;
  --text: #e8e8f0;
  --text-muted: #8888aa;
  --text-strong: #ffffff;
  --shadow: 0 8px 32px rgba(0,0,0,0.5);
  --shadow-sm: 0 2px 12px rgba(0,0,0,0.3);

  --radius: 14px;
  --radius-sm: 8px;
  --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --nav-height: 68px;
}

[data-theme="light"] {
  --bg: #f5f5fa;
  --bg-alt: #eeeef7;
  --surface: #ffffff;
  --surface-2: #f0f0f9;
  --border: #dcdcf0;
  --text: #2a2a3d;
  --text-muted: #7070a0;
  --text-strong: #111128;
  --shadow: 0 8px 32px rgba(100,100,160,0.12);
  --shadow-sm: 0 2px 12px rgba(100,100,160,0.08);
}

/* ===========================
   RESET & BASE
   =========================== */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html {
  scroll-behavior: smooth;
  font-size: 16px;
}

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

a { text-decoration: none; color: inherit; }
ul { list-style: none; }
img { max-width: 100%; display: block; }
button { cursor: pointer; border: none; background: none; font-family: inherit; }

.container {
  width: 100%;
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 24px;
}

.accent { color: var(--accent); }

/* ===========================
   NAVBAR
   =========================== */
.navbar {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 1000;
  height: var(--nav-height);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 32px;
  background: transparent;
  backdrop-filter: blur(0px);
  border-bottom: 1px solid transparent;
  transition: background var(--transition), backdrop-filter var(--transition), border-color var(--transition);
}

.navbar.scrolled {
  background: rgba(13,13,20,0.85);
  backdrop-filter: blur(20px);
  border-bottom-color: var(--border);
}

[data-theme="light"] .navbar.scrolled {
  background: rgba(245,245,250,0.88);
}

.nav-logo {
  font-family: 'Poppins', sans-serif;
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--text-strong);
  letter-spacing: -0.5px;
}

.nav-links {
  display: flex;
  gap: 8px;
  align-items: center;
}

.nav-link {
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--text-muted);
  padding: 6px 12px;
  border-radius: var(--radius-sm);
  transition: color var(--transition), background var(--transition);
}

.nav-link:hover, .nav-link.active {
  color: var(--accent);
  background: var(--accent-glow);
}

.nav-actions { display: flex; align-items: center; gap: 12px; }

.theme-btn {
  width: 40px; height: 40px;
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  font-size: 1.1rem;
  color: var(--text-muted);
  background: var(--surface);
  border: 1px solid var(--border);
  transition: all var(--transition);
}
.theme-btn:hover { color: var(--accent); border-color: var(--accent); }

.lang-btn {
  font-family: 'Poppins', sans-serif;
  font-weight: 700;
  font-size: 0.9rem;
  color: var(--text);
  background: transparent;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 6px 12px;
  transition: all var(--transition);
}
.lang-btn:hover { color: var(--accent); border-color: var(--accent); }

[data-theme="dark"] .icon-sun { display: inline; }
[data-theme="dark"] .icon-moon { display: none; }
[data-theme="light"] .icon-sun { display: none; }
[data-theme="light"] .icon-moon { display: inline; }

.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: 4px;
}
.hamburger span {
  display: block;
  width: 24px; height: 2px;
  background: var(--text);
  border-radius: 2px;
  transition: transform var(--transition), opacity var(--transition);
}
.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); }

/* ===========================
   SECTIONS
   =========================== */
.section {
  padding: 100px 0;
}
.section-alt {
  background: var(--bg-alt);
}
.section-title {
  font-family: 'Poppins', sans-serif;
  font-size: clamp(2rem, 4vw, 2.8rem);
  font-weight: 700;
  color: var(--text-strong);
  text-align: center;
  margin-bottom: 60px;
  letter-spacing: -0.5px;
}

/* ===========================
   HERO
   =========================== */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  position: relative;
  overflow: hidden;
  padding: var(--nav-height) 0 80px;
}

.hero-bg-grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(var(--border) 1px, transparent 1px),
    linear-gradient(90deg, var(--border) 1px, transparent 1px);
  background-size: 60px 60px;
  opacity: 0.3;
  mask-image: radial-gradient(ellipse 100% 100% at 50% 0%, black 40%, transparent 100%);
}

/* Floating ambient orbs */
.hero-orb {
  position: absolute;
  border-radius: 50%;
  filter: blur(80px);
  pointer-events: none;
  opacity: 0.18;
}
.hero-orb-1 {
  width: 600px; height: 600px;
  top: -150px; left: -100px;
  background: radial-gradient(circle, var(--accent) 0%, transparent 70%);
  animation: orb-drift 12s ease-in-out infinite alternate;
}
.hero-orb-2 {
  width: 400px; height: 400px;
  bottom: -80px; right: -60px;
  background: radial-gradient(circle, #a89cff 0%, transparent 70%);
  animation: orb-drift 16s ease-in-out infinite alternate-reverse;
}
@keyframes orb-drift {
  from { transform: translate(0, 0) scale(1); }
  to   { transform: translate(40px, 30px) scale(1.08); }
}

/* Two-column hero layout */
.hero-content {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 60px;
  align-items: center;
  text-align: left;
}

.hero-left { display: flex; flex-direction: column; }

.hero-greeting {
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--accent);
  letter-spacing: 4px;
  text-transform: uppercase;
  margin-bottom: 16px;
}

.hero-name {
  font-family: 'Poppins', sans-serif;
  font-size: clamp(2.8rem, 6vw, 5.2rem);
  font-weight: 800;
  color: var(--text-strong);
  line-height: 1.05;
  letter-spacing: -2px;
  margin-bottom: 20px;
}

.hero-role {
  font-size: clamp(0.95rem, 2vw, 1.15rem);
  font-weight: 400;
  color: var(--text-muted);
  margin-bottom: 24px;
}
.hero-role .divider { margin: 0 8px; color: var(--accent); }

.hero-intro {
  max-width: 520px;
  margin-bottom: 36px;
  font-size: 1rem;
  color: var(--text-muted);
  line-height: 1.8;
}

.hero-cta {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
  margin-bottom: 36px;
}

/* Tech badges row */
.hero-badges {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}
.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: var(--surface);
  border: 1px solid var(--border);
  color: var(--text-muted);
  font-size: 0.78rem;
  font-weight: 600;
  padding: 6px 14px;
  border-radius: 50px;
  letter-spacing: 0.4px;
  transition: border-color var(--transition), color var(--transition);
}
.hero-badge:hover {
  border-color: var(--accent);
  color: var(--accent);
}

/* ---- Hero Photo ---- */
.hero-right {
  display: flex;
  align-items: center;
  justify-content: center;
}

.hero-photo-wrapper {
  position: relative;
  width: 320px;
  height: 380px;
}

/* Rotating ring */
.hero-photo-ring {
  position: absolute;
  inset: -16px;
  border-radius: 50%;
  border: 2px dashed var(--accent);
  opacity: 0.35;
  animation: ring-spin 18s linear infinite;
}
.hero-photo-ring-2 {
  inset: -32px;
  border-color: var(--accent-light);
  opacity: 0.2;
  animation-duration: 28s;
  animation-direction: reverse;
}
@keyframes ring-spin {
  from { transform: rotate(0deg); }
  to   { transform: rotate(360deg); }
}

.hero-photo-frame {
  width: 100%;
  height: 100%;
  border-radius: 28px;
  overflow: hidden;
  border: 3px solid var(--border);
  background: var(--surface);
  position: relative;
  box-shadow: 0 24px 80px rgba(108,99,255,0.25), 0 8px 32px rgba(0,0,0,0.4);
}
.hero-photo-frame::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, transparent 55%, rgba(13,13,20,0.6) 100%);
  z-index: 1;
  pointer-events: none;
}

.hero-photo-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: top center;
  display: block;
}

/* Floating info badges on the photo */
.hero-photo-badge {
  position: absolute;
  display: flex;
  align-items: center;
  gap: 7px;
  background: rgba(26,26,46,0.92);
  backdrop-filter: blur(12px);
  border: 1px solid var(--border);
  border-radius: 50px;
  padding: 8px 14px;
  font-size: 0.75rem;
  font-weight: 700;
  color: var(--text-strong);
  white-space: nowrap;
  box-shadow: 0 4px 20px rgba(0,0,0,0.4);
  z-index: 10;
  animation: badge-float 3s ease-in-out infinite alternate;
}
.hero-photo-badge .badge-text { color: var(--accent); }
.badge-pos-1 { top: 10px; right: -24px; animation-delay: 0s; }
.badge-pos-2 { bottom: 60px; right: -28px; animation-delay: 0.8s; }
.badge-pos-3 { bottom: 16px; left: -20px; animation-delay: 1.6s; }
@keyframes badge-float {
  from { transform: translateY(0px); }
  to   { transform: translateY(-8px); }
}

[data-theme="light"] .hero-photo-badge {
  background: rgba(255,255,255,0.92);
}

/* Scroll indicator */
.hero-scroll-indicator {
  position: absolute;
  bottom: 36px;
  left: 50%;
  transform: translateX(-50%);
}

.scroll-dot {
  width: 28px; height: 48px;
  border: 2px solid var(--border);
  border-radius: 20px;
  position: relative;
}
.scroll-dot::after {
  content: '';
  position: absolute;
  top: 6px; left: 50%; transform: translateX(-50%);
  width: 4px; height: 10px;
  background: var(--accent);
  border-radius: 2px;
  animation: scroll-bounce 1.8s ease infinite;
}
@keyframes scroll-bounce {
  0%, 100% { transform: translateX(-50%) translateY(0); opacity: 1; }
  80% { transform: translateX(-50%) translateY(16px); opacity: 0; }
}

/* Hero responsive */
@media (max-width: 860px) {
  .hero-content {
    grid-template-columns: 1fr;
    text-align: center;
    gap: 48px;
  }
  .hero-left { align-items: center; }
  .hero-intro { margin: 0 auto 36px; }
  .hero-badges { justify-content: center; }
  .hero-right { order: -1; }
  .hero-photo-wrapper { width: 240px; height: 290px; }
  .hero-photo-badge { font-size: 0.7rem; padding: 6px 10px; }
  .badge-pos-1 { right: -16px; }
  .badge-pos-2 { right: -18px; }
  .badge-pos-3 { left: -14px; }
}

/* ===========================
   BUTTONS
   =========================== */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 32px;
  border-radius: 50px;
  font-weight: 600;
  font-size: 0.95rem;
  transition: all var(--transition);
  letter-spacing: 0.3px;
}

.btn-primary {
  background: var(--accent);
  color: #fff;
  box-shadow: 0 4px 24px var(--accent-glow);
}
.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 32px var(--accent-glow);
  background: var(--accent-light);
}

.btn-outline {
  color: var(--text);
  border: 1.5px solid var(--border);
  background: var(--surface);
}
.btn-outline:hover {
  border-color: var(--accent);
  color: var(--accent);
  transform: translateY(-2px);
}

/* ===========================
   ABOUT
   =========================== */
.about-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 32px;
  max-width: 900px;
  margin: 0 auto;
}

.about-photo {
  display: flex;
  justify-content: center;
}

.photo-frame {
  width: 240px; height: 280px;
  border-radius: 20px;
  background: var(--surface);
  border: 2px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  overflow: hidden;
}
.photo-frame::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, var(--accent-glow), transparent 60%);
}

.profile-photo {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: top center;
  border-radius: 18px;
  position: relative;
  z-index: 1;
}

.about-text p {
  margin-bottom: 20px;
  color: var(--text);
  font-size: 1.02rem;
}
.about-text strong { color: var(--text-strong); }

.about-stats {
  display: flex;
  gap: 32px;
  margin-top: 32px;
  padding-top: 32px;
  border-top: 1px solid var(--border);
}
.stat-item { display: flex; flex-direction: column; gap: 4px; }
.stat-number {
  font-family: 'Poppins', sans-serif;
  font-size: 1.8rem;
  font-weight: 700;
  line-height: 1;
}
.stat-label {
  font-size: 0.8rem;
  color: var(--text-muted);
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 1px;
}

/* ===========================
   SKILLS
   =========================== */
.skills-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.skill-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 36px 28px;
  transition: transform var(--transition), border-color var(--transition), box-shadow var(--transition);
}
.skill-card:hover {
  transform: translateY(-6px);
  border-color: var(--accent);
  box-shadow: 0 12px 40px var(--accent-glow);
}

.skill-card-icon {
  font-size: 2rem;
  margin-bottom: 16px;
}
.skill-card h3 {
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--text-strong);
  margin-bottom: 20px;
}

.skill-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}
.skill-tags span {
  background: var(--surface-2);
  border: 1px solid var(--border);
  color: var(--accent);
  font-size: 0.78rem;
  font-weight: 600;
  padding: 5px 12px;
  border-radius: 50px;
  letter-spacing: 0.3px;
  transition: background var(--transition), border-color var(--transition);
}
.skill-card:hover .skill-tags span {
  background: var(--accent-glow);
  border-color: var(--accent);
}

/* ===========================
   PROJECTS
   =========================== */
.projects-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
}

.project-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 32px;
  display: flex;
  flex-direction: column;
  gap: 16px;
  transition: transform var(--transition), border-color var(--transition), box-shadow var(--transition);
  position: relative;
  overflow: hidden;
}
.project-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--accent), var(--accent-light));
  transform: scaleX(0);
  transform-origin: left;
  transition: transform var(--transition);
}
.project-card:hover {
  transform: translateY(-8px);
  border-color: var(--accent);
  box-shadow: 0 16px 48px var(--accent-glow);
}
.project-card:hover::before { transform: scaleX(1); }

.project-card-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.project-icon { font-size: 2rem; }
.project-link {
  font-size: 1.2rem;
  color: var(--text-muted);
  transition: color var(--transition);
}
.project-link:hover { color: var(--accent); }

/* "Practice" label badge on project card */
.practice-badge {
  display: inline-block;
  background: rgba(108,99,255,0.15);
  border: 1px solid var(--accent);
  color: var(--accent);
  font-size: 0.68rem;
  font-weight: 700;
  padding: 3px 10px;
  border-radius: 50px;
  letter-spacing: 0.6px;
  text-transform: uppercase;
  margin-right: 8px;
}

.project-card h3 {
  font-family: 'Poppins', sans-serif;
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--text-strong);
}
.project-card p {
  color: var(--text-muted);
  font-size: 0.95rem;
  line-height: 1.7;
  flex: 1;
}

.project-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}
.project-tags span {
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--accent);
  background: var(--accent-glow);
  padding: 4px 10px;
  border-radius: 50px;
}

/* ===========================
   TIMELINE / EXPERIENCE
   =========================== */
.timeline {
  position: relative;
  max-width: 780px;
  margin: 0 auto;
  padding-left: 32px;
}
[dir="rtl"] .timeline {
  padding-left: 0;
  padding-right: 32px;
}
.timeline::before {
  content: '';
  position: absolute;
  left: 8px; top: 0; bottom: 0;
  width: 2px;
  background: linear-gradient(to bottom, var(--accent), transparent);
}
[dir="rtl"] .timeline::before {
  left: auto;
  right: 8px;
}

.timeline-item {
  position: relative;
  margin-bottom: 52px;
}
.timeline-item:last-child { margin-bottom: 0; }

.timeline-dot {
  position: absolute;
  left: -28px;
  top: 6px;
  width: 14px; height: 14px;
  border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 0 4px var(--accent-glow);
  z-index: 1;
}
[dir="rtl"] .timeline-dot {
  left: auto;
  right: -28px;
}

.timeline-body {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 28px 32px;
  transition: border-color var(--transition);
}
.timeline-body:hover { border-color: var(--accent); }

.timeline-date {
  display: inline-block;
  background: var(--accent-glow);
  color: var(--accent);
  font-size: 0.78rem;
  font-weight: 700;
  padding: 3px 12px;
  border-radius: 50px;
  margin-bottom: 12px;
  letter-spacing: 0.5px;
  text-transform: uppercase;
}

.timeline-body h3 {
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--text-strong);
  margin-bottom: 4px;
}
.timeline-body h4 {
  font-size: 0.92rem;
  font-weight: 500;
  color: var(--accent);
  margin-bottom: 16px;
}
.timeline-body ul {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 8px;
}
.timeline-body li {
  color: var(--text-muted);
  font-size: 0.95rem;
  padding-left: 16px;
  position: relative;
}
[dir="rtl"] .timeline-body li {
  padding-left: 0;
  padding-right: 16px;
}
.timeline-body li::before {
  content: '▸';
  position: absolute;
  left: 0;
  color: var(--accent);
}
[dir="rtl"] .timeline-body li::before {
  content: '◂';
  left: auto;
  right: 0;
}
.timeline-body strong { color: var(--text); }

/* ===========================
   SERVICES
   =========================== */
.services-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
}

.service-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 36px 32px;
  transition: transform var(--transition), border-color var(--transition), box-shadow var(--transition);
}
.service-card:hover {
  transform: translateY(-6px);
  border-color: var(--accent);
  box-shadow: 0 12px 40px var(--accent-glow);
}
.service-icon {
  font-size: 2.2rem;
  margin-bottom: 20px;
}
.service-card h3 {
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--text-strong);
  margin-bottom: 12px;
}
.service-card p {
  color: var(--text-muted);
  font-size: 0.95rem;
  line-height: 1.7;
}

/* ===========================
   CAREER OBJECTIVE
   =========================== */
.objective-card {
  max-width: 800px;
  margin: 0 auto;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 56px 64px;
  text-align: center;
  position: relative;
  box-shadow: var(--shadow);
}
.objective-quote-mark {
  font-size: 5rem;
  color: var(--accent);
  opacity: 0.4;
  line-height: 1;
  font-family: 'Poppins', sans-serif;
  font-weight: 800;
}

.objective-card p {
  font-size: 1.15rem;
  color: var(--text);
  line-height: 1.85;
}
.objective-card strong { color: var(--accent); }

/* ===========================
   CONTACT
   =========================== */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1.4fr;
  gap: 64px;
  align-items: start;
}

.contact-info h3 {
  font-family: 'Poppins', sans-serif;
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--text-strong);
  margin-bottom: 16px;
}
.contact-info p {
  color: var(--text-muted);
  line-height: 1.8;
  margin-bottom: 32px;
}

.social-links {
  display: flex;
  flex-direction: column;
  gap: 14px;
}
.social-link {
  display: flex;
  align-items: center;
  gap: 12px;
  color: var(--text-muted);
  font-size: 0.95rem;
  font-weight: 500;
  transition: color var(--transition);
}
.social-link:hover { color: var(--accent); }
.social-icon {
  width: 36px; height: 36px;
  display: flex; align-items: center; justify-content: center;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 8px;
  font-size: 1rem;
  flex-shrink: 0;
  transition: border-color var(--transition), background var(--transition);
}
.social-link:hover .social-icon {
  border-color: var(--accent);
  background: var(--accent-glow);
}

.contact-form {
  display: flex;
  flex-direction: column;
  gap: 20px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 40px;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 6px;
}
.form-group label {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--text-muted);
  letter-spacing: 0.3px;
  text-transform: uppercase;
}
.form-group input,
.form-group textarea {
  background: var(--bg);
  border: 1.5px solid var(--border);
  color: var(--text);
  border-radius: var(--radius-sm);
  padding: 12px 16px;
  font-family: 'Inter', sans-serif;
  font-size: 0.95rem;
  transition: border-color var(--transition), box-shadow var(--transition);
  resize: vertical;
}
.form-group input::placeholder,
.form-group textarea::placeholder { color: var(--text-muted); opacity: 0.6; }
.form-group input:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-glow);
}

.form-notice {
  font-size: 0.88rem;
  color: var(--accent);
  min-height: 1.2em;
}

/* ===========================
   FOOTER
   =========================== */
.footer {
  background: var(--bg-alt);
  border-top: 1px solid var(--border);
  padding: 32px 0;
}
.footer-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.footer p {
  font-size: 0.88rem;
  color: var(--text-muted);
}
.footer-top-link {
  font-size: 0.88rem;
  font-weight: 600;
  color: var(--accent);
  transition: opacity var(--transition);
}
.footer-top-link:hover { opacity: 0.75; }

/* ===========================
   SECTION SUBTITLE
   =========================== */
.section-subtitle {
  text-align: center;
  color: var(--text-muted);
  font-size: 1rem;
  max-width: 600px;
  margin: -40px auto 48px;
  line-height: 1.7;
}

/* ===========================
   CERTIFICATES — GALLERY
   =========================== */
.certs-gallery {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}

/* Thumbnail card */
.cert-thumb {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  cursor: pointer;
  transition: transform var(--transition), border-color var(--transition), box-shadow var(--transition);
}
.cert-thumb:hover {
  transform: translateY(-8px);
  border-color: var(--accent);
  box-shadow: 0 16px 48px var(--accent-glow);
}

/* Image area with overlay */
.cert-thumb-img-wrap {
  position: relative;
  width: 100%;
  aspect-ratio: 4 / 3;
  overflow: hidden;
  background: var(--surface-2);
}
.cert-thumb-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: top;
  display: block;
  transition: transform 0.4s ease;
}
.cert-thumb:hover .cert-thumb-img {
  transform: scale(1.05);
}

/* Hover overlay */
.cert-thumb-overlay {
  position: absolute;
  inset: 0;
  background: rgba(108,99,255,0.72);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 8px;
  opacity: 0;
  transition: opacity var(--transition);
}
.cert-thumb:hover .cert-thumb-overlay { opacity: 1; }
.cert-zoom-icon { font-size: 2rem; }
.cert-thumb-cta {
  color: #fff;
  font-size: 0.88rem;
  font-weight: 700;
  letter-spacing: 0.5px;
}

/* Info row below image */
.cert-thumb-info {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 16px 18px;
  border-top: 1px solid var(--border);
}
.cert-thumb-badge { font-size: 1.5rem; line-height: 1; }
.cert-thumb-title {
  font-size: 0.92rem;
  font-weight: 700;
  color: var(--text-strong);
  margin-bottom: 2px;
}
.cert-thumb-issuer {
  font-size: 0.75rem;
  color: var(--accent);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

/* ===========================
   CERT LIGHTBOX MODAL
   =========================== */
.cert-modal {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.88);
  backdrop-filter: blur(12px);
  z-index: 9000;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 24px;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.3s ease;
}
.cert-modal.open {
  opacity: 1;
  pointer-events: all;
}

.cert-modal-inner {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 20px;
  max-width: 900px;
  width: 100%;
  max-height: 90vh;
  display: flex;
  flex-direction: column;
  overflow: hidden;
  box-shadow: 0 32px 80px rgba(0,0,0,0.6);
  transform: scale(0.92);
  transition: transform 0.3s cubic-bezier(0.4,0,0.2,1);
}
.cert-modal.open .cert-modal-inner {
  transform: scale(1);
}

.cert-modal-close {
  position: absolute;
  top: 20px;
  right: 20px;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: var(--surface-2);
  border: 1px solid var(--border);
  color: var(--text);
  font-size: 1rem;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: all var(--transition);
  z-index: 10;
}
.cert-modal-close:hover {
  background: var(--accent);
  border-color: var(--accent);
  color: #fff;
}

.cert-modal-header {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 24px 28px;
  border-bottom: 1px solid var(--border);
  flex-shrink: 0;
}
.cert-modal-badge { font-size: 2rem; }
.cert-modal-title {
  font-family: 'Poppins', sans-serif;
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--text-strong);
  margin-bottom: 4px;
}
.cert-modal-issuer {
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--accent);
  text-transform: uppercase;
  letter-spacing: 0.8px;
}

.cert-modal-img-wrap {
  overflow-y: auto;
  flex: 1;
  padding: 24px;
  display: flex;
  align-items: flex-start;
  justify-content: center;
}
.cert-modal-img {
  width: 100%;
  max-width: 820px;
  height: auto;
  border-radius: 10px;
  display: block;
  box-shadow: 0 8px 32px rgba(0,0,0,0.3);
}

/* ===========================
   SCROLL REVEAL ANIMATIONS
   =========================== */
.reveal {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity 0.65s cubic-bezier(0.4,0,0.2,1), transform 0.65s cubic-bezier(0.4,0,0.2,1);
}
.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}

/* stagger children inside grids */
.skills-grid .reveal:nth-child(2) { transition-delay: 0.1s; }
.skills-grid .reveal:nth-child(3) { transition-delay: 0.2s; }
.projects-grid .reveal:nth-child(2) { transition-delay: 0.1s; }
.projects-grid .reveal:nth-child(3) { transition-delay: 0.15s; }
.projects-grid .reveal:nth-child(4) { transition-delay: 0.2s; }
.services-grid .reveal:nth-child(2) { transition-delay: 0.1s; }
.services-grid .reveal:nth-child(3) { transition-delay: 0.15s; }
.services-grid .reveal:nth-child(4) { transition-delay: 0.2s; }

/* ===========================
   RESPONSIVE — TABLET/MOBILE
   =========================== */
@media (max-width: 1100px) {
  .hero-content { gap: 30px; }
  .hero-name { font-size: clamp(2.4rem, 5vw, 4rem); }
}

@media (max-width: 1024px) {
  .skills-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 900px) {
  .nav-links {
    position: fixed;
    top: var(--nav-height);
    left: 0; right: 0;
    flex-direction: column;
    background: var(--bg);
    border-bottom: 1px solid var(--border);
    padding: 20px 24px;
    gap: 4px;
    transform: translateY(-110%);
    opacity: 0;
    visibility: hidden;
    transition: transform var(--transition), opacity var(--transition), visibility var(--transition);
    z-index: 999;
  }
  .nav-links.open { 
    transform: translateY(0); 
    opacity: 1;
    visibility: visible;
  }
  .hamburger { display: flex; }

  .about-grid {
    grid-template-columns: 1fr;
    gap: 40px;
    text-align: center;
  }
  .about-photo { justify-content: center; }
  .about-stats { justify-content: center; }

  .certs-gallery { grid-template-columns: repeat(2, 1fr); }

  .contact-grid {
    grid-template-columns: 1fr;
    gap: 40px;
  }

  .objective-card { padding: 36px 28px; }
}

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

@media (max-width: 600px) {
  .navbar { padding: 0 16px; }
  .section { padding: 72px 0; }
  .hero-name { letter-spacing: -1px; }
  .hero-cta { flex-direction: column; align-items: center; }
  .contact-form { padding: 24px; }
  .footer-inner { flex-direction: column; gap: 10px; text-align: center; }
  .timeline { padding-left: 24px; }
  .timeline-body { padding: 20px; }
  .about-stats { flex-wrap: wrap; gap: 20px; justify-content: center; }
  .certs-gallery { grid-template-columns: 1fr; }
  .cert-modal-header { padding: 18px 20px; }
  .cert-modal-img-wrap { padding: 16px; }
}

/* ===========================
   RTL COMPREHENSIVE OVERRIDES
   =========================== */
[dir="rtl"] .hero-content,
[dir="rtl"] .hero-left,
[dir="rtl"] .about-text,
[dir="rtl"] .about-stats,
[dir="rtl"] .skill-card,
[dir="rtl"] .project-card,
[dir="rtl"] .timeline-body,
[dir="rtl"] .service-card,
[dir="rtl"] .objective-card,
[dir="rtl"] .contact-info,
[dir="rtl"] .contact-form,
[dir="rtl"] .cert-thumb-info,
[dir="rtl"] .form-group label,
[dir="rtl"] .footer {
  text-align: right;
}

[dir="rtl"] .hero-badges, 
[dir="rtl"] .skill-tags, 
[dir="rtl"] .project-tags, 
[dir="rtl"] .hero-cta {
  justify-content: flex-start;
}

[dir="rtl"] .contact-form input,
[dir="rtl"] .contact-form textarea {
  text-align: right;
  direction: rtl;
}

[dir="rtl"] .hero-photo-badge { right: auto; margin: 0; }
[dir="rtl"] .badge-pos-1 { left: -24px; top: 10px; right: auto; }
[dir="rtl"] .badge-pos-2 { left: -28px; bottom: 60px; right: auto; }
[dir="rtl"] .badge-pos-3 { right: -20px; bottom: 16px; left: auto; }

[dir="rtl"] .practice-badge { margin-left: 8px; margin-right: 0; }
[dir="rtl"] .cert-thumb-cta { direction: rtl; }
[dir="rtl"] .social-link { flex-direction: row; }