/* ===== LOADER ===== */
#loader {
  position: fixed;
  inset: 0;
  background: #0d1117;
  z-index: 99999;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: opacity 0.6s ease, visibility 0.6s ease;
}
#loader.hidden {
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
}
.loader-content {
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1.2rem;
}
.loader-logo {
  display: flex;
  align-items: baseline;
  gap: 2px;
  animation: loaderPop 0.5s ease forwards;
}
@keyframes loaderPop {
  0%   { opacity: 0; transform: scale(0.7); }
  60%  { transform: scale(1.1); }
  100% { opacity: 1; transform: scale(1); }
}
.loader-ab {
  font-family: 'Syne', Georgia, serif;
  font-size: 5rem;
  font-weight: 800;
  color: #ffffff;
  letter-spacing: -3px;
  line-height: 1;
}
.loader-dot {
  font-family: 'Syne', Georgia, serif;
  font-size: 5rem;
  font-weight: 800;
  color: #C1272D;
  line-height: 1;
  animation: dotPulse 0.8s ease 0.4s infinite alternate;
}
@keyframes dotPulse {
  0%   { opacity: 1; transform: scale(1); }
  100% { opacity: 0.5; transform: scale(0.85); }
}
.loader-tagline {
  font-family: Arial, sans-serif;
  font-size: 0.85rem;
  color: rgba(255,255,255,0.4);
  letter-spacing: 4px;
  text-transform: uppercase;
  animation: fadeInUp 0.5s ease 0.3s both;
}
@keyframes fadeInUp {
  0%   { opacity: 0; transform: translateY(10px); }
  100% { opacity: 1; transform: translateY(0); }
}
.loader-bar-wrap {
  width: 160px;
  height: 2px;
  background: rgba(255,255,255,0.1);
  border-radius: 2px;
  overflow: hidden;
  animation: fadeInUp 0.5s ease 0.5s both;
}
.loader-bar {
  height: 100%;
  width: 0%;
  background: linear-gradient(90deg, #1B5EA6, #C1272D);
  border-radius: 2px;
  transition: width 0.05s linear;
}
.loader-flag {
  font-size: 1.2rem;
  animation: fadeInUp 0.5s ease 0.6s both;
  opacity: 0.6;
}

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

/* ===== THEME VARIABLES ===== */
/* Default: Light */
:root {
  /* brand (same in both modes) */
  --blue:       #1B5EA6;
  --blue-light: #2472c8;
  --blue-dark:  #134a85;
  --radius:     12px;
  --radius-lg:  20px;
  --transition: .3s cubic-bezier(.4,0,.2,1);

  /* light theme */
  --bg:             #f7f8fc;
  --bg-card:        #ffffff;
  --bg-card-2:      #f0f4f9;
  --bg-card-3:      #e8edf4;
  --bg-nav:         rgba(247,248,252,0.92);
  --bg-nav-mobile:  rgba(247,248,252,0.97);
  --text:           #0d1117;
  --text-2:         #334155;
  --text-3:         #64748b;
  --border:         #e5e7eb;
  --border-2:       #d1d5db;
  --accent:         #1B5EA6;
  --accent-bg:      rgba(27,94,166,.1);
  --accent-border:  rgba(27,94,166,.25);
  --skill-bg:       #e2e8f0;
  --green:          #16a34a;
  --yellow:         #d97706;
  --shadow:         0 4px 24px rgba(0,0,0,.08);
  --shadow-hover:   0 8px 40px rgba(27,94,166,.2);
  --code-bg:        #1e2430;
  --code-bar-bg:    #262f3d;
  /* aliases */
  --bg-secondary:   #ffffff;
  --text-primary:   #0d1117;
  --text-secondary: #6b7280;
  --nav-bg:         rgba(247,248,252,0.92);
  --input-bg:       #ffffff;
  --input-text:     #0d1117;
}

/* Dark mode */
[data-theme="dark"] {
  --bg:             #0d1117;
  --bg-card:        #161b22;
  --bg-card-2:      #21262d;
  --bg-card-3:      #30363d;
  --bg-nav:         rgba(13,17,23,0.92);
  --bg-nav-mobile:  rgba(13,17,23,0.97);
  --text:           #e6edf3;
  --text-2:         #c9d1d9;
  --text-3:         #8b949e;
  --border:         #30363d;
  --border-2:       #21262d;
  --accent:         #58a6ff;
  --accent-bg:      rgba(88,166,255,.1);
  --accent-border:  rgba(88,166,255,.25);
  --skill-bg:       #30363d;
  --green:          #3fb950;
  --yellow:         #d29922;
  --shadow:         0 4px 24px rgba(0,0,0,.35);
  --shadow-hover:   0 8px 40px rgba(27,94,166,.35);
  --code-bg:        #161b22;
  --code-bar-bg:    #21262d;
  /* aliases */
  --bg-secondary:   #161b22;
  --text-primary:   #e6edf3;
  --text-secondary: #8b949e;
  --nav-bg:         rgba(13,17,23,0.92);
  --input-bg:       rgba(255,255,255,0.07);
  --input-text:     #e6edf3;
}

/* ===== SMOOTH THEME TRANSITION ===== */
html { transition: background-color .3s ease; scroll-behavior: smooth; font-size: 16px; }

body,
.profile-card, .service-front,
.expertise-card, .timeline-card, .edu-card,
.why-card, .code-window, .code-title-bar,
.process-step, .back-to-top, .social-btn,
.footer-socials a, .btn-outline,
.form-group input, .form-group select, .form-group textarea,
#navbar, #footer, section {
  transition: background-color .3s ease, color .3s ease,
              border-color .3s ease, box-shadow .3s ease;
}

body {
  font-family: 'DM Sans', sans-serif;
  background: var(--bg);
  color: var(--text-2);
  line-height: 1.7;
  overflow-x: hidden;
}

h1,h2,h3,h4,h5 {
  font-family: 'Syne', sans-serif;
  color: var(--text);
  line-height: 1.2;
}

a { text-decoration: none; color: inherit; }
ul { list-style: none; }
img { max-width: 100%; display: block; }

.container { max-width: 1200px; margin: 0 auto; padding: 0 24px; }

section { padding: 100px 0; background: var(--bg); }
.section-dark { background: var(--bg-card); }

/* ===== SECTION HEADER ===== */
.section-header { text-align: center; margin-bottom: 64px; }
.section-tag {
  display: inline-block;
  font-size: .75rem;
  font-weight: 600;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: var(--accent);
  background: var(--accent-bg);
  border: 1px solid var(--accent-border);
  padding: 4px 14px;
  border-radius: 100px;
  margin-bottom: 16px;
}
.section-header h2 { font-size: clamp(2rem, 4vw, 3rem); margin-bottom: 12px; }
.section-header p { color: var(--text-3); font-size: 1.05rem; max-width: 540px; margin: 0 auto; }

/* Services section */
.section-light { background: var(--bg-card-2); }
.section-light .section-tag {
  color: var(--blue);
  background: rgba(27,94,166,.1);
  border-color: rgba(27,94,166,.25);
}
.section-light .section-header h2 { color: var(--text); }
.section-light .section-header p { color: var(--text-3); }

/* ===== BUTTONS ===== */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 28px;
  border-radius: var(--radius);
  font-family: 'DM Sans', sans-serif;
  font-weight: 600;
  font-size: 1rem;
  cursor: pointer;
  transition: var(--transition);
  border: 2px solid transparent;
  min-height: 44px;
}
.btn-primary { background: var(--blue); color: #fff; border-color: var(--blue); }
.btn-primary:hover {
  background: var(--blue-light);
  border-color: var(--blue-light);
  transform: translateY(-2px);
  box-shadow: var(--shadow-hover);
}
.btn-outline { background: transparent; color: var(--text); border-color: var(--border); }
.btn-outline:hover { border-color: var(--blue); color: var(--accent); transform: translateY(-2px); }
.btn-full { width: 100%; justify-content: center; }

/* ===== NAV ===== */
#navbar {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 1000;
  transition: background-color .3s ease, border-color .3s ease, backdrop-filter .3s ease;
}
#navbar.scrolled {
  background: var(--bg-nav);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
}
.nav-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
  height: 68px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.nav-logo { font-family: 'Syne', sans-serif; font-size: 1.5rem; font-weight: 800; color: var(--text); }
.nav-logo span { color: var(--accent); }

.nav-links { display: flex; align-items: center; gap: 36px; }
.nav-links a {
  font-size: .95rem;
  font-weight: 500;
  color: var(--text-2);
  transition: color var(--transition);
  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 var(--transition);
}
.nav-links a:hover { color: var(--text); }
.nav-links a:hover::after,
.nav-links a.active::after { transform: scaleX(1); }
.nav-links a.active { color: var(--text); }

.nav-right { display: flex; align-items: center; gap: 12px; }
.nav-hire { padding: 9px 20px; font-size: .9rem; min-height: 38px; }

/* ===== THEME TOGGLE ===== */
.theme-toggle {
  width: 40px; height: 40px;
  border-radius: 50%;
  background: var(--accent-bg);
  border: 1.5px solid var(--accent-border);
  color: var(--blue);
  font-size: 1.1rem;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: var(--transition);
  flex-shrink: 0;
}
[data-theme="dark"] .theme-toggle { color: var(--accent); }
.theme-toggle:hover { background: rgba(27,94,166,.2); transform: scale(1.12) rotate(15deg); }

.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
}
.hamburger span {
  display: block;
  width: 26px;
  height: 2px;
  background: var(--text);
  border-radius: 2px;
  transition: 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); }

/* ===== HERO ===== */
#hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  position: relative;
  overflow: hidden;
  padding: 120px 0 80px;
  background: var(--bg);
}
.hero-bg-grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(27,94,166,.06) 1px, transparent 1px),
    linear-gradient(90deg, rgba(27,94,166,.06) 1px, transparent 1px);
  background-size: 60px 60px;
}
#hero::before {
  content: '';
  position: absolute;
  top: -200px; left: 30%;
  transform: translateX(-50%);
  width: 900px; height: 900px;
  background: radial-gradient(circle, rgba(27,94,166,.12) 0%, transparent 65%);
  pointer-events: none;
}

#heroCanvas {
  position: absolute;
  top: 0; left: 0;
  width: 100%; height: 100%;
  z-index: 0;
  pointer-events: none;
}
.hero-grid {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: center;
  width: 100%;
}
.hero-left { display: flex; flex-direction: column; align-items: flex-start; }

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(27,94,166,.12);
  border: 1px solid rgba(27,94,166,.35);
  color: var(--blue);
  font-size: .875rem;
  font-weight: 600;
  padding: 8px 18px;
  border-radius: 100px;
  margin-bottom: 28px;
}
[data-theme="dark"] .hero-badge { color: var(--accent); }
.badge-flag { font-size: 1.1rem; }

#hero h1 {
  font-size: clamp(2.4rem, 5vw, 3.8rem);
  font-weight: 800;
  margin-bottom: 16px;
  letter-spacing: -.02em;
  color: var(--text);
}
.hero-accent { color: var(--blue-light); }

.hero-subtitle { font-size: 1rem; color: var(--text-3); margin-bottom: 14px; font-weight: 500; }
.hero-desc { color: var(--text-3); font-size: 1rem; margin-bottom: 40px; line-height: 1.7; }
.hero-desc strong { color: var(--blue); }
[data-theme="dark"] .hero-desc strong { color: var(--accent); }

.hero-stats { display: flex; gap: 36px; margin-bottom: 40px; flex-wrap: wrap; }
.stat { text-align: left; }
.stat-num {
  display: block;
  font-family: 'Syne', sans-serif;
  font-size: 1.4rem;
  font-weight: 800;
  color: var(--text);
}
.stat-label { font-size: .75rem; color: var(--text-3); text-transform: uppercase; letter-spacing: .08em; }

.hero-actions { display: flex; gap: 16px; flex-wrap: wrap; }

/* Hero Profile Card */
.profile-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 28px;
  box-shadow: var(--shadow);
  animation: floatCard 4s ease-in-out infinite;
}
@keyframes floatCard {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-10px); }
}
.profile-card-header { display: flex; align-items: center; gap: 14px; margin-bottom: 24px; flex-wrap: wrap; }
.profile-avatar {
  width: 52px; height: 52px;
  background: linear-gradient(135deg, var(--blue), var(--blue-light));
  border-radius: 14px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: 'Syne', sans-serif;
  font-weight: 800;
  font-size: 1.1rem;
  color: #fff;
  flex-shrink: 0;
}
.profile-info { flex: 1; }
.profile-name { font-family: 'Syne', sans-serif; font-weight: 700; font-size: .95rem; color: var(--text); }
.profile-role { font-size: .8rem; color: var(--text-3); margin-top: 2px; }
.profile-status {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: .75rem;
  color: var(--green);
  font-weight: 600;
  background: rgba(22,163,74,.1);
  border: 1px solid rgba(22,163,74,.25);
  padding: 4px 10px;
  border-radius: 100px;
}
[data-theme="dark"] .profile-status {
  background: rgba(63,185,80,.1);
  border-color: rgba(63,185,80,.25);
}
.status-dot {
  width: 7px; height: 7px;
  border-radius: 50%;
  background: var(--green);
  animation: pulse 2s ease-in-out infinite;
}
@keyframes pulse { 0%, 100% { opacity: 1; } 50% { opacity: .4; } }

.profile-skills { display: flex; flex-direction: column; gap: 14px; margin-bottom: 20px; }
.skill-label-row {
  display: flex;
  justify-content: space-between;
  font-size: .8rem;
  color: var(--text-2);
  margin-bottom: 6px;
  font-weight: 500;
}
.skill-track { height: 5px; background: var(--skill-bg); border-radius: 100px; overflow: hidden; }
.skill-fill {
  height: 100%;
  width: var(--w);
  background: linear-gradient(90deg, var(--blue), var(--accent));
  border-radius: 100px;
  animation: growBar 1.4s ease forwards;
}
@keyframes growBar { from { width: 0; } to { width: var(--w); } }

.profile-tags { display: flex; flex-wrap: wrap; gap: 8px; }
.profile-tags span {
  font-size: .72rem;
  padding: 4px 10px;
  background: rgba(27,94,166,.1);
  border: 1px solid rgba(27,94,166,.25);
  color: var(--blue);
  border-radius: 100px;
}
[data-theme="dark"] .profile-tags span { color: var(--accent); }

.hero-scroll-indicator { position: absolute; bottom: 32px; left: 50%; transform: translateX(-50%); z-index: 1; }
.hero-scroll-indicator span {
  display: block;
  width: 2px;
  height: 40px;
  background: linear-gradient(to bottom, var(--blue), transparent);
  margin: 0 auto;
  animation: scrollPulse 2s ease-in-out infinite;
}
@keyframes scrollPulse {
  0%,100% { opacity: .3; transform: scaleY(.8); }
  50% { opacity: 1; transform: scaleY(1); }
}

/* ===== SERVICES ===== */
.services-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; margin-bottom: 48px; }

.service-card { perspective: 1000px; cursor: pointer; min-height: 300px; }
.service-inner {
  position: relative;
  width: 100%;
  height: 100%;
  min-height: 300px;
  transform-style: preserve-3d;
  transition: transform .65s cubic-bezier(.4,0,.2,1);
}
.service-card:hover .service-inner { transform: rotateY(180deg); }

.service-front,
.service-back {
  position: absolute;
  inset: 0;
  border-radius: var(--radius-lg);
  padding: 32px;
  backface-visibility: hidden;
  -webkit-backface-visibility: hidden;
  display: flex;
  flex-direction: column;
}
.service-front {
  background: var(--bg-card);
  border: 1px solid var(--border);
}
.service-front .service-icon { font-size: 2rem; margin-bottom: 16px; }
.service-front h3 { font-size: 1.1rem; margin-bottom: 10px; color: var(--text); }
.service-front p { color: var(--text-2); font-size: .9rem; margin-bottom: 16px; line-height: 1.6; flex: 1; }
.service-stack { font-size: .78rem; color: var(--text-3); margin-bottom: 18px; font-style: italic; }

.service-back {
  background: linear-gradient(135deg, var(--blue) 0%, var(--blue-dark) 100%);
  transform: rotateY(180deg);
  color: #fff;
  justify-content: center;
  align-items: flex-start;
  gap: 16px;
}
.service-icon-back { font-size: 2.5rem; }
.service-back h3 { font-size: 1.2rem; color: #fff; margin: 0; }
.service-back p { font-size: .9rem; color: rgba(255,255,255,.82); line-height: 1.6; }
.service-quote-btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  margin-top: auto;
  padding: 12px 24px;
  background: rgba(255,255,255,.15);
  border: 2px solid rgba(255,255,255,.4);
  border-radius: var(--radius);
  color: #fff;
  font-weight: 700;
  font-size: .9rem;
  transition: var(--transition);
  min-height: 44px;
}
.service-quote-btn:hover { background: rgba(255,255,255,.25); border-color: #fff; }

/* ===== EXPERTISE ===== */
.expertise-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; }
.expertise-card {
  background: var(--bg-card-2);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 28px;
  transition: var(--transition);
}
.expertise-card:hover { border-color: var(--blue); transform: translateY(-4px); box-shadow: var(--shadow-hover); }
.expertise-icon { font-size: 1.75rem; margin-bottom: 12px; }
.expertise-card h4 { font-size: 1rem; margin-bottom: 8px; color: var(--text); }
.expertise-card p { font-size: .875rem; color: var(--text-3); line-height: 1.6; }

/* ===== TIMELINE ===== */
.timeline { position: relative; padding-left: 32px; }
.timeline::before {
  content: '';
  position: absolute;
  left: 8px; top: 0; bottom: 0;
  width: 2px;
  background: linear-gradient(to bottom, var(--blue), transparent);
}
.timeline-item { position: relative; margin-bottom: 48px; }
.timeline-dot {
  position: absolute;
  left: -28px; top: 8px;
  width: 16px; height: 16px;
  background: var(--blue);
  border: 3px solid var(--bg);
  border-radius: 50%;
  box-shadow: 0 0 0 4px rgba(27,94,166,.3);
}
.timeline-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 28px 32px;
  transition: var(--transition);
}
.timeline-card:hover { border-color: var(--blue); }
.timeline-header { display: flex; justify-content: space-between; align-items: flex-start; gap: 16px; margin-bottom: 12px; flex-wrap: wrap; }
.timeline-card h3 { font-size: 1.15rem; margin-bottom: 4px; }
.timeline-company { font-size: .9rem; color: var(--accent); }
.timeline-meta { text-align: right; flex-shrink: 0; }
.timeline-date { display: block; font-size: .85rem; color: var(--text-3); }
.timeline-badge { display: inline-block; font-size: .7rem; font-weight: 600; padding: 3px 10px; border-radius: 100px; margin-top: 4px; }
.timeline-badge.current {
  background: rgba(22,163,74,.12);
  color: var(--green);
  border: 1px solid rgba(22,163,74,.3);
}
[data-theme="dark"] .timeline-badge.current {
  background: rgba(63,185,80,.15);
  border-color: rgba(63,185,80,.3);
}
.timeline-badge.internship {
  background: rgba(100,116,139,.1);
  color: #64748b;
  border: 1px solid rgba(100,116,139,.2);
}
[data-theme="dark"] .timeline-badge.internship {
  background: rgba(148,163,184,.1);
  color: #94a3b8;
  border-color: rgba(148,163,184,.25);
}
.timeline-badge.freelance {
  background: rgba(245,158,11,.1);
  color: #b45309;
  border: 1px solid rgba(245,158,11,.2);
}
[data-theme="dark"] .timeline-badge.freelance {
  background: rgba(251,191,36,.1);
  color: #fbbf24;
  border-color: rgba(251,191,36,.25);
}
.timeline-client { font-size: .9rem; color: var(--text-3); margin-bottom: 16px; }
.timeline-client strong { color: var(--text-2); }
.timeline-points { padding-left: 4px; margin-bottom: 20px; }
.timeline-points li {
  position: relative;
  padding-left: 16px;
  font-size: .95rem;
  color: var(--text-3);
  margin-bottom: 6px;
}
.timeline-points li::before { content: '→'; position: absolute; left: 0; color: var(--blue-light); font-size: .85rem; }
.timeline-stack { display: flex; flex-wrap: wrap; gap: 8px; }
.timeline-stack span {
  font-size: .75rem;
  padding: 4px 10px;
  background: rgba(27,94,166,.1);
  border: 1px solid rgba(27,94,166,.25);
  color: var(--blue);
  border-radius: 100px;
}
[data-theme="dark"] .timeline-stack span { color: var(--accent); }

/* ===== EDUCATION ===== */
.education-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); gap: 24px; }
.edu-card {
  background: var(--bg-card-2);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 28px;
  display: flex;
  gap: 20px;
  align-items: flex-start;
  transition: var(--transition);
  position: relative;
}
.edu-card:hover { border-color: var(--blue); transform: translateY(-4px); }
.edu-icon { font-size: 1.75rem; flex-shrink: 0; }
.edu-year { display: block; font-size: .8rem; color: var(--accent); font-weight: 600; margin-bottom: 6px; letter-spacing: .05em; }
.edu-card h3 { font-size: 1rem; margin-bottom: 4px; }
.edu-card p { font-size: .875rem; color: var(--text-3); }

/* ===== WHY ME ===== */
.why-layout { display: grid; grid-template-columns: 1fr 1fr; gap: 48px; align-items: center; }
.why-cards { display: grid; gap: 20px; }
.why-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 24px;
  display: flex;
  gap: 16px;
  align-items: flex-start;
  transition: var(--transition);
}
.why-card:hover { border-color: var(--blue); transform: translateX(4px); }
.why-icon { font-size: 1.5rem; flex-shrink: 0; }
.why-card h4 { font-size: 1rem; margin-bottom: 6px; }
.why-card p { font-size: .9rem; color: var(--text-3); }

/* Code Window — stays dark in both modes (terminal aesthetic) */
.code-window {
  background: var(--code-bg);
  border: 1px solid rgba(255,255,255,.08);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow);
}
.code-title-bar {
  background: var(--code-bar-bg);
  padding: 12px 16px;
  display: flex;
  align-items: center;
  gap: 8px;
  border-bottom: 1px solid rgba(255,255,255,.06);
}
.dot { width: 12px; height: 12px; border-radius: 50%; }
.dot.red { background: #ff5f57; }
.dot.yellow { background: #ffbd2e; }
.dot.green { background: #28c940; }
.code-filename { margin-left: 8px; font-size: .8rem; color: #8b949e; }
.code-body { padding: 24px; font-size: .875rem; line-height: 1.8; overflow-x: auto; color: #e6edf3; }
.code-body code { font-family: 'Courier New', Courier, monospace; }
.c-keyword { color: #ff7b72; }
.c-fn { color: #d2a8ff; }
.c-cond { color: #58a6ff; }

/* ===== PROCESS ===== */
.process-steps { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; }
.process-step {
  text-align: center;
  padding: 32px 24px;
  background: var(--bg-card-2);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  transition: var(--transition);
}
.process-step:hover { border-color: var(--blue); transform: translateY(-4px); }
.step-number {
  font-family: 'Syne', sans-serif;
  font-size: 3rem;
  font-weight: 800;
  color: rgba(27,94,166,.35);
  margin-bottom: 12px;
  line-height: 1;
}
.process-step h4 { font-size: 1.05rem; margin-bottom: 10px; }
.process-step p { font-size: .875rem; color: var(--text-3); }

/* ===== CONTACT ===== */
#contact { background: var(--bg-card-2); }
.contact-layout { display: grid; grid-template-columns: 1fr 1.5fr; gap: 64px; align-items: start; }
.contact-social h3 { font-size: 1.2rem; margin-bottom: 24px; }
.social-btn {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 14px 20px;
  border-radius: var(--radius);
  font-weight: 600;
  font-size: .95rem;
  transition: var(--transition);
  margin-bottom: 12px;
  border: 1px solid var(--border);
  min-height: 44px;
}
.social-btn svg { width: 20px; height: 20px; flex-shrink: 0; }
.social-btn.linkedin { background: rgba(10,102,194,.1); color: #0A66C2; border-color: rgba(10,102,194,.25); }
.social-btn.linkedin:hover { background: rgba(10,102,194,.2); transform: translateX(4px); }
[data-theme="dark"] .social-btn.linkedin { color: #4a9fd4; }
.social-btn.instagram { background: rgba(225,48,108,.08); color: #C13584; border-color: rgba(225,48,108,.2); }
.social-btn.instagram:hover { background: rgba(225,48,108,.16); transform: translateX(4px); }
[data-theme="dark"] .social-btn.instagram { color: #e1708c; }
.social-btn.github-btn { background: var(--bg-card-3); color: var(--text-2); border-color: var(--border); }
.social-btn.github-btn:hover { background: var(--bg-card-2); transform: translateX(4px); }

.contact-form-wrap h3 { font-size: 1.2rem; margin-bottom: 24px; }
.form-group { margin-bottom: 20px; }
.form-group label { display: block; font-size: .875rem; font-weight: 600; margin-bottom: 8px; color: var(--text-2); }
.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  background: var(--input-bg);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 12px 16px;
  font-family: 'DM Sans', sans-serif;
  font-size: .95rem;
  color: var(--input-text);
  transition: border-color var(--transition), background-color .3s ease;
  outline: none;
  min-height: 44px;
}
.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus { border-color: var(--blue); }
.form-group select { cursor: pointer; }
.form-group select option { background: var(--bg-card); color: var(--text); }
.form-group textarea { resize: vertical; min-height: 120px; }
.form-group input::placeholder,
.form-group textarea::placeholder { color: var(--text-3); }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
[data-fs-error="name"], [data-fs-error="message"] { display: block; font-size: .8rem; color: #ef4444; margin-top: 4px; }
.btn-submit {
  width: 100%;
  background: #1B5EA6;
  color: #ffffff !important;
  padding: 0.9rem 1.5rem;
  border-radius: 10px;
  border: none;
  font-family: inherit;
  font-size: 1rem;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.3s;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  letter-spacing: 0.02em;
}
.btn-submit:hover {
  background: #0f3d73;
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(27,94,166,0.4);
}
.btn-submit:disabled { opacity: 0.6; cursor: not-allowed; transform: none; }
[data-theme="dark"] .btn-submit { background: #1B5EA6; color: #ffffff !important; }
@media (max-width: 600px) { .form-row { grid-template-columns: 1fr; } }

/* ===== MARKETS ===== */
#markets { background: var(--bg); }
.markets-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.2rem;
  margin-top: 2.5rem;
}
.market-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 1.5rem;
  transition: all 0.3s;
}
.market-card:hover {
  border-color: #1B5EA6;
  box-shadow: 0 8px 24px rgba(27,94,166,0.12);
  transform: translateY(-3px);
}
.market-card-highlight {
  background: #1B5EA6;
  border-color: #1B5EA6;
}
.market-card-highlight h3 { color: #ffffff !important; }
.market-card-highlight .country-tag {
  background: rgba(255,255,255,0.2);
  color: #ffffff;
}
.market-header {
  display: flex;
  align-items: center;
  gap: 0.8rem;
  margin-bottom: 1rem;
}
.market-icon { font-size: 1.5rem; }
.market-header h3 {
  font-family: 'Syne', sans-serif;
  font-size: 1rem;
  font-weight: 700;
  color: var(--text);
}
.market-countries { display: flex; flex-wrap: wrap; gap: 0.4rem; }
.country-tag {
  background: var(--accent-bg);
  color: #1B5EA6;
  padding: 0.3rem 0.7rem;
  border-radius: 100px;
  font-size: 0.78rem;
  font-weight: 500;
}
[data-theme="dark"] .country-tag {
  background: rgba(27,94,166,0.2);
  color: #60a5fa;
}
@media (max-width: 1024px) { .markets-grid { grid-template-columns: repeat(2, 1fr); } }

/* ===== FOOTER ===== */
#footer { background: var(--bg-card); border-top: 1px solid var(--border); padding: 40px 0; }
.footer-inner { display: flex; align-items: center; justify-content: space-between; flex-wrap: wrap; gap: 20px; }
.footer-logo { font-family: 'Syne', sans-serif; font-size: 1.4rem; font-weight: 800; color: var(--text); }
.footer-logo span { color: var(--accent); }
.footer-copy { font-size: .875rem; color: var(--text-3); }
.footer-socials { display: flex; gap: 12px; }
.footer-socials a {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 40px; height: 40px;
  background: var(--bg-card-2);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  color: var(--text-3);
  transition: var(--transition);
}
.footer-socials a:hover { border-color: var(--blue); color: var(--accent); transform: translateY(-2px); }
.footer-socials svg { width: 16px; height: 16px; }



/* ===== BACK TO TOP ===== */
.back-to-top {
  position: fixed;
  bottom: 28px; left: 28px;
  width: 44px; height: 44px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 50%;
  color: var(--text-2);
  font-size: 1.1rem;
  font-weight: 700;
  cursor: pointer;
  opacity: 0;
  transform: translateY(16px);
  transition: var(--transition);
  z-index: 998;
  display: flex;
  align-items: center;
  justify-content: center;
}
.back-to-top.visible { opacity: 1; transform: translateY(0); }
.back-to-top:hover { background: var(--blue); border-color: var(--blue); color: #fff; }

/* ===== REVEAL ANIMATIONS ===== */
.reveal { opacity: 0; transform: translateY(28px); transition: opacity .6s ease, transform .6s ease; }
.reveal.visible { opacity: 1; transform: translateY(0); }

/* ===== RESPONSIVE ===== */

/* Tablet — 1024px */
@media (max-width: 1024px) {
  .services-grid { grid-template-columns: repeat(2, 1fr); }
  .expertise-grid { grid-template-columns: repeat(2, 1fr); }
  .process-steps { grid-template-columns: repeat(2, 1fr); }
  .why-layout { grid-template-columns: 1fr; }
  .why-code { display: none; }
  .contact-layout { grid-template-columns: 1fr; gap: 40px; }
  .hero-grid { gap: 48px; }
}

/* Mobile — 768px */
@media (max-width: 768px) {
  section { padding: 72px 0; }

  .nav-links {
    display: none;
    flex-direction: column;
    position: fixed;
    top: 68px; left: 0; right: 0;
    background: var(--bg-nav-mobile);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    padding: 32px 24px;
    gap: 24px;
    border-bottom: 1px solid var(--border);
    z-index: 999;
  }
  .nav-links.open { display: flex; }
  .hamburger { display: flex; }
  .nav-hire { display: none; }

  .hero-grid { grid-template-columns: 1fr; gap: 0; }
  .hero-right { display: none; }
  .hero-left { align-items: center; text-align: center; }
  .hero-badge { justify-content: center; }
  .hero-stats { justify-content: center; gap: 24px; }
  .stat { text-align: center; }
  .hero-actions { justify-content: center; }

  .services-grid { grid-template-columns: 1fr; }
  .service-card { min-height: auto; }
  .service-inner { min-height: 300px; }

  .expertise-grid { grid-template-columns: repeat(2, 1fr); }
  .process-steps { grid-template-columns: repeat(2, 1fr); }

  .timeline { padding-left: 20px; }
  .timeline-dot { left: -16px; }
  .timeline-header { flex-direction: column; }
  .timeline-meta { text-align: left; }

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

/* Small Mobile — 480px */
@media (max-width: 480px) {
  .container { padding: 0 16px; }
  .expertise-grid { grid-template-columns: 1fr; }
  .process-steps { grid-template-columns: 1fr; }
  .education-grid { grid-template-columns: 1fr; }
  .markets-grid { grid-template-columns: 1fr; }
  .hero-stats { gap: 20px; }
  .hero-actions { flex-direction: column; align-items: stretch; }
  .hero-actions .btn { justify-content: center; }
  .timeline-card { padding: 20px; }
  .theme-toggle { width: 36px; height: 36px; font-size: 1rem; }
}

/* Very small — 320px */
@media (max-width: 360px) {
  #hero h1 { font-size: 2rem; }
  .stat-num { font-size: 1.2rem; }
}