:root {
  --bg-primary: #f8f9fa;
  --bg-secondary: #f1f3f5;
  --bg-card: #ffffff;
  --text-primary: #111827;
  --text-secondary: #4b5563;
  --text-muted: #9ca3af;
  --accent: #1e40af;
  --accent-hover: #1e3a8a;
  --accent-dim: rgba(30, 64, 175, 0.08);
  --accent-light: rgba(30, 64, 175, 0.04);
  --border: #e5e7eb;
  --radius: 12px;
  --radius-sm: 8px;
  --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.04);
  --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.06);
  --shadow-lg: 0 8px 30px rgba(0, 0, 0, 0.08);
  --transition: 0.25s cubic-bezier(0.4, 0, 0.2, 1);
  --font-body: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', system-ui, sans-serif;
  --font-display: 'Inter', 'SF Pro Display', -apple-system, BlinkMacSystemFont, sans-serif;
  --font-mono: 'SF Mono', 'Fira Code', 'Cascadia Code', 'JetBrains Mono', monospace;
  --max-width: 1140px;
  --nav-height: 68px;
}
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;scroll-padding-top:calc(var(--nav-height)+24px);font-size:16px}
body{font-family:var(--font-body);background:var(--bg-primary);color:var(--text-primary);line-height:1.7;-webkit-font-smoothing:antialiased}
.container{width:100%;max-width:var(--max-width);margin:0 auto;padding:0 24px}
.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}
.section-tag{display:inline-block;font-family:var(--font-mono);font-size:.7rem;font-weight:600;text-transform:uppercase;letter-spacing:.12em;color:var(--accent);margin-bottom:12px}
.section-title{font-family:var(--font-display);font-size:clamp(1.8rem,3.5vw,2.6rem);font-weight:700;color:var(--text-primary);letter-spacing:-.025em;line-height:1.2}
.section-subtitle{font-size:1.05rem;color:var(--text-secondary);max-width:600px;margin:12px auto 0;line-height:1.6}
.nav{position:fixed;top:0;left:0;right:0;height:var(--nav-height);background:rgba(255,255,255,.92);backdrop-filter:blur(16px) saturate(1.8);-webkit-backdrop-filter:blur(16px);border-bottom:1px solid var(--border);z-index:1000;transition:var(--transition)}
.nav.scrolled{box-shadow:var(--shadow-md)}
.nav .container{display:flex;align-items:center;justify-content:space-between;height:100%}
.nav-logo{font-family:var(--font-display);font-weight:700;font-size:1rem;color:var(--text-primary);text-decoration:none;display:flex;align-items:center;gap:10px}
.nav-logo .logo-mark{width:30px;height:30px;background:var(--accent);border-radius:6px;display:flex;align-items:center;justify-content:center;font-weight:700;font-size:.7rem;color:#fff}
.nav-links{display:flex;align-items:center;gap:2px;list-style:none}
.nav-link{color:var(--text-secondary);text-decoration:none;font-size:.85rem;font-weight:500;padding:8px 14px;border-radius:var(--radius-sm);transition:var(--transition)}
.nav-link:hover,.nav-link.active{color:var(--accent);background:var(--accent-dim)}
.nav-cta{background:var(--accent)!important;color:#fff!important;font-weight:600!important;padding:8px 18px!important;margin-left:8px}
.nav-cta:hover{background:var(--accent-hover)!important;box-shadow:var(--shadow-sm)}
.nav-lang{display:flex;align-items:center;margin-left:4px;padding-left:12px;border-left:1px solid var(--border);gap:4px}
.lang-btn{background:none;border:none;font-size:.75rem;font-weight:600;text-transform:uppercase;letter-spacing:.04em;padding:4px 8px;border-radius:4px;cursor:pointer;transition:var(--transition);font-family:var(--font-body)}
.lang-btn.lang-active{color:var(--accent);background:var(--accent-dim)}
.lang-btn.lang-inactive{color:var(--text-muted)}
.lang-btn.lang-inactive:hover{color:var(--text-secondary);background:var(--accent-light)}
.nav-toggle{display:none;background:none;border:none;color:var(--text-primary);font-size:1.5rem;cursor:pointer;padding:4px;line-height:1}
.section-header{text-align:center;margin-bottom:52px}
section{padding:88px 0;position:relative}
section:nth-child(even){background:var(--bg-secondary)}
section::before{content:'';position:absolute;top:0;left:50%;transform:translateX(-50%);width:100%;max-width:var(--max-width);height:1px;background:linear-gradient(90deg,transparent,var(--border),transparent)}
section:first-of-type::before,section:nth-child(2)::before{display:none}
.btn{display:inline-flex;align-items:center;gap:8px;padding:12px 24px;border-radius:var(--radius-sm);font-size:.9rem;font-weight:600;text-decoration:none;transition:var(--transition);border:none;cursor:pointer;font-family:var(--font-body);line-height:1.2}
.btn-primary{background:var(--accent);color:#fff}
.btn-primary:hover{background:var(--accent-hover);box-shadow:var(--shadow-md);transform:translateY(-1px)}
.btn-outline{background:transparent;color:var(--text-primary);border:1px solid var(--border)}
.btn-outline:hover{border-color:var(--accent);color:var(--accent);background:var(--accent-light)}
.hero{min-height:100vh;display:flex;align-items:center;padding:calc(var(--nav-height)+40px) 0 80px;background:linear-gradient(135deg,var(--bg-primary)0%,var(--bg-secondary)100%)}
.hero-grid{display:grid;grid-template-columns:1fr 1fr;gap:60px;align-items:center}
.hero-badge{display:inline-flex;align-items:center;gap:8px;font-family:var(--font-mono);font-size:.72rem;font-weight:500;color:var(--accent);background:var(--accent-dim);padding:6px 14px;border-radius:100px;margin-bottom:20px}
.hero-badge .dot{width:6px;height:6px;border-radius:50%;background:#059669;animation:pulse-dot 2s ease-in-out infinite}
@keyframes pulse-dot{0%,100%{opacity:1}50%{opacity:.3}}
.hero h1{font-family:var(--font-display);font-size:clamp(2.2rem,4.5vw,3.6rem);font-weight:800;line-height:1.1;letter-spacing:-.035em;margin-bottom:6px;color:var(--text-primary)}
.hero h1 .accent-text{color:var(--accent)}
.hero-subtitle{font-size:clamp(1rem,1.6vw,1.2rem);color:var(--text-secondary);font-weight:500;margin-bottom:20px}
.hero-desc{font-size:1rem;color:var(--text-muted);max-width:520px;line-height:1.8;margin-bottom:32px}
.hero-actions{display:flex;gap:12px;flex-wrap:wrap}
.hero-visual{position:relative;display:flex;justify-content:center;align-items:center}
.hero-avatar-frame{width:300px;height:300px;border-radius:var(--radius-sm);overflow:hidden;background:var(--bg-card);box-shadow:var(--shadow-lg);border:3px solid rgba(30,64,175,.1)}
.avatar-placeholder{width:100%;height:100%;display:flex;align-items:center;justify-content:center;font-size:5rem;font-weight:700;color:var(--accent);background:linear-gradient(135deg,var(--accent-light),var(--bg-card));user-select:none}
.hero-stats{display:flex;gap:36px;margin-top:40px;padding-top:28px;border-top:1px solid var(--border)}
.stat-item{text-align:left}
.stat-value{font-family:var(--font-display);font-size:1.8rem;font-weight:700;color:var(--accent);line-height:1}
.stat-label{font-size:.78rem;color:var(--text-muted);margin-top:4px;font-weight:500}
.about-grid{display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:start}
.about-text h3{font-size:1.4rem;font-weight:700;margin-bottom:18px;color:var(--text-primary)}
.about-text p{color:var(--text-secondary);margin-bottom:14px;font-size:.95rem;line-height:1.8}
.accent-highlight{color:var(--accent);font-weight:600}
.about-cards{display:grid;gap:14px}
.about-card{background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius);padding:20px 24px;transition:var(--transition);box-shadow:var(--shadow-sm)}
.about-card:hover{border-color:var(--accent);box-shadow:var(--shadow-md);transform:translateX(3px)}
.about-card h4{font-size:.88rem;font-weight:600;color:var(--accent);font-family:var(--font-mono);margin-bottom:4px}
.about-card p{font-size:.85rem;color:var(--text-muted);line-height:1.6;margin:0}
.services-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.service-card{background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius);padding:28px 22px;transition:var(--transition);box-shadow:var(--shadow-sm)}
.service-card:hover{border-color:var(--accent);box-shadow:var(--shadow-md);transform:translateY(-3px)}
.service-icon{width:42px;height:42px;border-radius:10px;background:var(--accent-light);display:flex;align-items:center;justify-content:center;font-size:1.2rem;margin-bottom:14px}
.service-card h3{font-size:.95rem;font-weight:600;margin-bottom:8px;color:var(--text-primary)}
.service-card p{font-size:.82rem;color:var(--text-muted);line-height:1.6}
.timeline{position:relative;max-width:780px;margin:0 auto;padding-left:0}
.timeline::before{content:'';position:absolute;left:28px;top:0;bottom:0;width:2px;background:linear-gradient(to bottom,var(--accent),var(--accent-dim)80%,transparent);border-radius:2px}
.timeline-item{position:relative;padding-left:68px;padding-bottom:44px}
.timeline-item:last-child{padding-bottom:0}
.timeline-dot{position:absolute;left:19px;top:6px;width:18px;height:18px;border-radius:50%;background:#fff;border:3px solid var(--accent);z-index:1}
.timeline-item.current .timeline-dot{background:var(--accent);box-shadow:0 0 0 4px var(--accent-dim)}
.timeline-date{font-family:var(--font-mono);font-size:.72rem;font-weight:600;color:var(--accent);margin-bottom:4px;letter-spacing:.02em}
.timeline-role{font-size:1.05rem;font-weight:700;color:var(--text-primary);margin-bottom:2px}
.timeline-company{font-size:.85rem;color:var(--text-secondary);font-weight:500;margin-bottom:8px}
.timeline-desc{font-size:.85rem;color:var(--text-muted);line-height:1.7}
.timeline-desc ul{list-style:none;padding:0}
.timeline-desc li{position:relative;padding-left:16px;margin-bottom:4px}
.timeline-desc li::before{content:'\2192';position:absolute;left:0;color:var(--accent);font-weight:600}
.clients-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(150px,1fr));gap:14px}
.client-card{background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius-sm);padding:20px 14px;text-align:center;transition:var(--transition);box-shadow:var(--shadow-sm)}
.client-card:hover{border-color:var(--accent);box-shadow:var(--shadow-md);transform:translateY(-2px)}
.client-name{font-size:.82rem;font-weight:600;color:var(--text-secondary)}
.client-year{font-size:.68rem;color:var(--text-muted);font-family:var(--font-mono);margin-top:4px}
.skills-grid{display:grid;grid-template-columns:1fr 1fr;gap:40px 60px}
.skills-category{margin-bottom:32px}
.skills-category:last-child{margin-bottom:0}
.skills-category h3{font-size:.9rem;font-weight:600;color:var(--accent);margin-bottom:16px;font-family:var(--font-mono);text-transform:uppercase;letter-spacing:.06em}
.skills-list{display:flex;flex-wrap:wrap;gap:8px}
.skill-tag{font-size:.78rem;font-weight:500;color:var(--text-secondary);background:var(--bg-card);border:1px solid var(--border);padding:5px 14px;border-radius:100px;transition:var(--transition)}
.skill-tag:hover{border-color:var(--accent);color:var(--accent);background:var(--accent-light)}
.language-item{display:flex;justify-content:space-between;align-items:center;padding:12px 16px;background:var(--bg-card);border-radius:var(--radius-sm);border:1px solid var(--border);margin-bottom:6px}
.language-name{font-weight:600;color:var(--text-primary);font-size:.9rem}
.language-level{font-size:.78rem;color:var(--text-muted);font-family:var(--font-mono)}
.contact-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:48px}
.contact-intro h3{font-size:1.25rem;font-weight:700;margin-bottom:12px;color:var(--text-primary)}
.contact-links{display:flex;flex-direction:column;gap:10px;margin-top:16px}
.contact-link{display:flex;align-items:center;gap:14px;padding:12px 18px;background:var(--bg-card);border-radius:var(--radius-sm);border:1px solid var(--border);text-decoration:none;cursor:pointer;transition:var(--transition);text-align:left;width:100%;font-family:var(--font-body);font-size:inherit}
.contact-link:hover{border-color:var(--accent);box-shadow:var(--shadow-sm)}
.contact-link-icon{width:38px;height:38px;border-radius:8px;background:var(--accent-light);display:flex;align-items:center;justify-content:center;font-size:1rem;flex-shrink:0}
.contact-link-text{flex:1;min-width:0}
.contact-link-title{font-size:.9rem;font-weight:600;color:var(--text-primary)}
.contact-link-arrow{color:var(--text-muted);font-size:1rem;transition:var(--transition);flex-shrink:0}
.contact-link:hover .contact-link-arrow{color:var(--accent);transform:translateX(3px)}
.verify-overlay{position:fixed;inset:0;background:rgba(0,0,0,.4);backdrop-filter:blur(4px);z-index:9999;display:flex;align-items:center;justify-content:center;opacity:0;transition:opacity .3s ease;pointer-events:none}
.verify-overlay.active{opacity:1;pointer-events:auto}
.verify-modal{background:#fff;border-radius:16px;padding:36px 32px 28px;max-width:400px;width:90%;text-align:center;box-shadow:0 20px 60px rgba(0,0,0,.15);transform:scale(.95);transition:transform .3s ease}
.verify-overlay.active .verify-modal{transform:scale(1)}
.verify-icon{font-size:2.5rem;margin-bottom:12px}
.verify-title{font-size:1.15rem;font-weight:700;color:var(--text-primary);margin-bottom:8px}
.verify-text{font-size:.85rem;color:var(--text-secondary);margin-bottom:20px;line-height:1.6}
.verify-btn{width:100%;justify-content:center;padding:12px 24px}
.verify-skip{display:block;margin:10px auto 0;background:none;border:none;color:var(--text-muted);font-size:.82rem;cursor:pointer;padding:6px 12px;font-family:var(--font-body)}
.verify-skip:hover{color:var(--text-secondary)}
.contact-form{background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius);padding:28px;box-shadow:var(--shadow-sm)}
.form-group{margin-bottom:16px}
.form-label{display:block;font-size:.82rem;font-weight:600;color:var(--text-secondary);margin-bottom:5px}
.form-input,.form-textarea{width:100%;padding:11px 14px;background:var(--bg-primary);border:1px solid var(--border);border-radius:var(--radius-sm);color:var(--text-primary);font-family:var(--font-body);font-size:.88rem;transition:var(--transition);outline:none}
.form-input:focus,.form-textarea:focus{border-color:var(--accent);box-shadow:0 0 0 3px var(--accent-dim)}
.form-textarea{min-height:110px;resize:vertical}
.form-submit{width:100%;padding:13px;background:var(--accent);color:#fff;border:none;border-radius:var(--radius-sm);font-size:.9rem;font-weight:600;cursor:pointer;transition:var(--transition);font-family:var(--font-body);margin-top:4px}
.form-submit:hover{background:var(--accent-hover);box-shadow:var(--shadow-md);transform:translateY(-1px)}
.form-submit:disabled{opacity:.7;cursor:not-allowed;transform:none}
.form-privacy{font-size:.7rem;color:var(--text-muted);margin-top:12px;text-align:center;line-height:1.5}
.footer{padding:36px 0;border-top:1px solid var(--border);text-align:center}
.footer p{font-size:.78rem;color:var(--text-muted)}
.footer a{color:var(--accent);text-decoration:none;font-weight:500}
.footer a:hover{text-decoration:underline}
.reveal{opacity:0;transform:translateY(24px);transition:opacity .55s ease-out,transform .55s ease-out}
.reveal.visible{opacity:1;transform:translateY(0)}
.reveal-d1{transition-delay:.08s}
.reveal-d2{transition-delay:.16s}
.reveal-d3{transition-delay:.24s}
.reveal-d4{transition-delay:.32s}
::selection{background:var(--accent);color:#fff}
::-webkit-scrollbar{width:7px}
::-webkit-scrollbar-track{background:var(--bg-secondary)}
::-webkit-scrollbar-thumb{background:var(--border-hover);border-radius:4px}
::-webkit-scrollbar-thumb:hover{background:var(--text-muted)}
.lang-content{display:none}
.lang-content.active{display:block}
@media(max-width:1024px){
  .services-grid{grid-template-columns:repeat(2,1fr)}
  .hero-grid{gap:40px}
  .hero-avatar-frame{width:240px;height:240px}
  .avatar-placeholder{font-size:4rem}
}
@media(max-width:768px){
  .nav-links{display:none}
  .nav-toggle{display:block}
  .nav-links.open{display:flex;flex-direction:column;position:absolute;top:var(--nav-height);left:0;right:0;background:rgba(255,255,255,.98);backdrop-filter:blur(16px);padding:12px;border-bottom:1px solid var(--border);gap:2px}
  .nav-links.open .nav-link{width:100%}
  .nav-cta{margin-left:0}
  .nav-lang{margin-left:0;padding-left:0;border-left:none;padding-top:8px;border-top:1px solid var(--border);width:100%;justify-content:center}
  .hero-grid{grid-template-columns:1fr;gap:36px;text-align:center}
  .hero-actions{justify-content:center}
  .hero-desc{margin:0 auto 32px}
  .hero-visual{order:-1}
  .hero-avatar-frame{width:180px;height:180px}
  .avatar-placeholder{font-size:3rem}
  .hero-stats{justify-content:center}
  .about-grid,.skills-grid,.contact-grid{grid-template-columns:1fr;gap:36px}
  .services-grid{grid-template-columns:1fr 1fr}
  section{padding:60px 0}
  .section-header{margin-bottom:36px}
  .timeline-item{padding-left:56px}
  .timeline::before{left:20px}
  .timeline-dot{left:12px}
}
@media(max-width:480px){
  .services-grid{grid-template-columns:1fr}
  .hero-stats{flex-direction:column;gap:16px;align-items:center}
  .hero-actions{flex-direction:column;align-items:center}
  .btn{width:100%;justify-content:center}
  .contact-form{padding:20px}
  .clients-grid{grid-template-columns:repeat(2,1fr)}
  .skills-grid{gap:24px}
  .hero-avatar-frame{width:150px;height:150px}
  .avatar-placeholder{font-size:2.5rem}
}

/* ============================================================
   SUBTLE ANIMATIONS — Elegant, not flashy
   ============================================================ */

/* Full-page mutating dot texture (behind everything) */
html::before {
  content: '';
  position: fixed;
  inset: 0;
  z-index: -1;
  pointer-events: none;
  background-image:
    radial-gradient(rgba(30, 64, 175, 0.12) 1px, transparent 1px),
    radial-gradient(rgba(99, 102, 241, 0.08) 0.7px, transparent 0.7px);
  background-size: 16px 16px, 20px 20px;
  background-position: 0 0, 8px 8px;
  animation: dots-mutate 18s linear infinite;
}

@keyframes dots-mutate {
  0% { background-position: 0 0, 8px 8px; }
  25% { background-position: 8px 4px, 0 12px; }
  50% { background-position: 16px 0, 8px 0; }
  75% { background-position: 8px -4px, 16px 8px; }
  100% { background-position: 0 0, 8px 8px; }
}

/* Grain texture overlay (subtle, on top) */
body::after {
  content: '';
  position: fixed;
  inset: 0;
  z-index: 9998;
  pointer-events: none;
  opacity: 0.12;
  background:
    repeating-conic-gradient(rgba(0,0,0,0.03) 0% 25%, transparent 0% 50%) 0 0 / 2px 2px,
    repeating-conic-gradient(rgba(0,0,0,0.02) 0% 25%, transparent 0% 50%) 1px 1px / 2px 2px;
  animation: noise-shift 0.2s steps(2) infinite;
}

@keyframes noise-shift {
  0% { transform: translate(0, 0); }
  50% { transform: translate(1px, -1px); }
}

/* Hero background slow shift */
.hero {
  background: linear-gradient(135deg, var(--bg-primary) 0%, var(--bg-secondary) 30%, #eef2ff 60%, var(--bg-primary) 100%);
  background-size: 300% 300%;
  animation: gradient-shift 15s ease-in-out infinite alternate;
  position: relative;
  overflow: hidden;
}

@keyframes gradient-shift {
  0% { background-position: 0% 0%; }
  50% { background-position: 100% 50%; }
  100% { background-position: 0% 100%; }
}

/* Ambient floating orbs */
.ambient-orbs {
  position: absolute;
  inset: 0;
  pointer-events: none;
  overflow: hidden;
  z-index: 0;
}

.ambient-orb {
  position: absolute;
  border-radius: 50%;
  filter: blur(40px);
  opacity: 0.3;
  will-change: transform;
}

.ambient-orb:nth-child(1) {
  width: 500px; height: 500px;
  background: var(--accent);
  top: -10%; left: -5%;
  animation: orb-float-1 15s ease-in-out infinite;
}

.ambient-orb:nth-child(2) {
  width: 400px; height: 400px;
  background: #6366f1;
  bottom: -10%; right: -5%;
  animation: orb-float-2 18s ease-in-out infinite;
}

.ambient-orb:nth-child(3) {
  width: 300px; height: 300px;
  background: #06b6d4;
  top: 40%; left: 60%;
  animation: orb-float-3 12s ease-in-out infinite;
}

@keyframes orb-float-1 {
  0%, 100% { transform: translate(0, 0) scale(1); }
  33% { transform: translate(60px, 40px) scale(1.05); }
  66% { transform: translate(-30px, 80px) scale(0.95); }
}

@keyframes orb-float-2 {
  0%, 100% { transform: translate(0, 0) scale(1); }
  33% { transform: translate(-50px, -60px) scale(0.95); }
  66% { transform: translate(40px, -30px) scale(1.05); }
}

@keyframes orb-float-3 {
  0%, 100% { transform: translate(0, 0) scale(1); }
  50% { transform: translate(30px, -40px) scale(1.08); }
}

/* Timeline dot refined pulse */
.timeline-item.current .timeline-dot::after {
  content: '';
  position: absolute;
  inset: -6px;
  border-radius: 50%;
  border: 2px solid var(--accent-dim);
  animation: dot-ripple 2.5s ease-out infinite;
}

@keyframes dot-ripple {
  0% { transform: scale(0.8); opacity: 1; }
  100% { transform: scale(1.6); opacity: 0; }
}

/* Service card enhanced hover */
.service-card {
  position: relative;
  isolation: isolate;
}

.service-card::after {
  content: '';
  position: absolute;
  inset: -1px;
  border-radius: inherit;
  background: linear-gradient(135deg, var(--accent-dim), transparent 50%, var(--accent-dim));
  opacity: 0;
  transition: opacity 0.4s ease;
  z-index: -1;
}

.service-card:hover::after {
  opacity: 1;
}

/* Nav active indicator */
.nav-link.active {
  position: relative;
}

.nav-link.active::after {
  content: '';
  position: absolute;
  bottom: 2px; left: 50%;
  transform: translateX(-50%);
  width: 60%;
  height: 2px;
  background: var(--accent);
  border-radius: 1px;
  animation: nav-indicate 0.3s ease-out;
}

@keyframes nav-indicate {
  from { width: 0; opacity: 0; }
  to { width: 60%; opacity: 1; }
}

/* Section header subtle reveal enhancement */
.section-tag {
  position: relative;
  overflow: hidden;
}

.section-tag::after {
  content: '';
  position: absolute;
  bottom: -2px; left: 0;
  width: 100%; height: 1px;
  background: var(--accent-dim);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.6s ease-out;
}

.reveal.visible .section-tag::after {
  transform: scaleX(1);
}

/* ============================================================
   INTERACTIVE ELEMENT ANIMATIONS
   ============================================================ */

/* 1. PRIMARY BUTTONS — Shimmer sweep */
.btn-primary {
  position: relative;
  isolation: isolate;
  overflow: hidden;
}

.btn-primary::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(
    105deg,
    transparent 0%,
    transparent 30%,
    rgba(255, 255, 255, 0.25) 45%,
    rgba(255, 255, 255, 0.35) 50%,
    rgba(255, 255, 255, 0.25) 55%,
    transparent 70%,
    transparent 100%
  );
  transform: translateX(-100%);
  transition: none;
  z-index: 1;
  pointer-events: none;
}

.btn-primary:hover::after {
  animation: shimmer 1.2s ease-out;
}

@keyframes shimmer {
  from { transform: translateX(-100%); }
  to { transform: translateX(200%); }
}

/* 2. SERVICE CARD ICONS — Gentle hover bob */
.service-card:hover .service-icon {
  animation: icon-bounce 0.5s ease-out;
}

@keyframes icon-bounce {
  0% { transform: translateY(0); }
  30% { transform: translateY(-8px) scale(1.1); }
  50% { transform: translateY(-4px); }
  70% { transform: translateY(-2px); }
  100% { transform: translateY(0); }
}

/* 3. STAT VALUES — Subtle breathe */
.stat-value {
  animation: stat-breathe 4s ease-in-out infinite;
}

@keyframes stat-breathe {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.7; }
}

/* 4. NAV CTA BUTTON — Gentle attention pulse */
.nav-cta {
  animation: nav-pulse 3s ease-in-out infinite;
}

.nav-cta:hover {
  animation: none;
}

@keyframes nav-pulse {
  0%, 100% { box-shadow: 0 0 0 0 rgba(30, 64, 175, 0.3); }
  50% { box-shadow: 0 0 0 6px rgba(30, 64, 175, 0); }
}

/* 5. CONTACT FORM SUBMIT — Gradient sweep + lift */
.form-submit {
  position: relative;
  isolation: isolate;
  overflow: hidden;
}

.form-submit::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(
    105deg,
    transparent 0%,
    transparent 35%,
    rgba(255, 255, 255, 0.2) 45%,
    rgba(255, 255, 255, 0.3) 50%,
    rgba(255, 255, 255, 0.2) 55%,
    transparent 65%,
    transparent 100%
  );
  transform: translateX(-100%);
  transition: none;
  z-index: 1;
  pointer-events: none;
}

.form-submit:hover::after {
  animation: shimmer 1.2s ease-out;
}

/* 6. TIMELINE COMPANY — Subtle link underline grows on hover */
.timeline-company a {
  position: relative;
  text-decoration: none;
}

.timeline-company a::after {
  content: '';
  position: absolute;
  bottom: -1px;
  left: 0;
  width: 100%;
  height: 1px;
  background: var(--accent);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.3s ease;
}

.timeline-company a:hover::after {
  transform: scaleX(1);
}

/* 7. SECTION TITLES — Accent text gentle glow */
.section-title .accent-text {
  background: linear-gradient(135deg, var(--accent), #4f46e5, var(--accent));
  background-size: 200% 200%;
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  animation: accent-shimmer 4s ease-in-out infinite;
}

@keyframes accent-shimmer {
  0% { background-position: 0% 50%; }
  50% { background-position: 100% 50%; }
  100% { background-position: 0% 50%; }
}