/* ============================================
   A Rich Design — Shared Stylesheet
   ============================================ */

/* Self-hosted Inter font */
@font-face {
  font-family: 'Inter';
  font-style: normal;
  font-weight: 400 800;
  font-display: swap;
  src: url(/fonts/inter-latin-ext.woff2) format('woff2');
  unicode-range: U+0100-02BA, U+02BD-02C5, U+02C7-02CC, U+02CE-02D7, U+02DD-02FF, U+0304, U+0308, U+0329, U+1D00-1DBF, U+1E00-1E9F, U+1EF2-1EFF, U+2020, U+20A0-20AB, U+20AD-20C0, U+2113, U+2C60-2C7F, U+A720-A7FF;
}
@font-face {
  font-family: 'Inter';
  font-style: normal;
  font-weight: 400 800;
  font-display: swap;
  src: url(/fonts/inter-latin.woff2) format('woff2');
  unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD;
}

/* ---- CSS Variables ---- */
:root {
  --bg-primary: #0a0a0b;
  --bg-secondary: #111113;
  --bg-card: #18181b;
  --bg-card-hover: #1f1f23;
  --text-primary: #fafafa;
  --text-secondary: #a1a1aa;
  --text-muted: #9a9aa2;
  --accent: #6B00FF;
  --accent-rgb: 107, 0, 255;
  --accent-hover: #8b5cf6;
  --accent-hover-rgb: 139, 92, 246;
  --accent-glow: rgba(var(--accent-rgb),0.15);
  --border: #27272a;
  --border-light: #3f3f46;
  --radius: 12px;
  --radius-lg: 16px;
  --max-w: 1200px;
  --transition: 0.3s cubic-bezier(0.4,0,0.2,1);
}

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

/* ---- Skip to Content ---- */
.skip-to-content { position: absolute; top: -100%; left: 50%; transform: translateX(-50%); padding: 0.75rem 1.5rem; background: var(--accent); color: #fff; border-radius: 0 0 var(--radius) var(--radius); font-weight: 600; font-size: 0.875rem; z-index: 10001; transition: top 0.2s }
.skip-to-content:focus { top: 0 }

/* ---- Focus ---- */
:focus-visible { outline: 2px solid var(--accent); outline-offset: 3px; border-radius: 4px }
:focus:not(:focus-visible) { outline: none }

/* ---- Reduced Motion ---- */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: 0.01ms !important; animation-iteration-count: 1 !important; transition-duration: 0.01ms !important; scroll-behavior: auto !important }
}

/* ---- Base ---- */
html { scroll-behavior: smooth; font-size: 16px }
body { font-family: 'Inter', system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif; background: var(--bg-primary); color: var(--text-secondary); line-height: 1.6; -webkit-font-smoothing: antialiased }
img { max-width: 100%; display: block }
a { color: inherit; text-decoration: none }
button { font-family: inherit; cursor: pointer; border: none; background: none }
ul, ol { list-style: none }
h1, h2, h3, h4 { color: var(--text-primary); font-weight: 700; line-height: 1.15; letter-spacing: -0.02em }
h1 { max-width: 550px; font-size: clamp(2.5rem, 6vw, 4.5rem); font-weight: 800 }
h2 { max-width: 550px; font-size: clamp(1.75rem, 3.5vw, 2.75rem) }
h3 { max-width: 550px; font-size: clamp(1.1rem, 2vw, 1.35rem) }
p { color: var(--text-secondary); line-height: 1.7 }
.container { width: 100%; max-width: var(--max-w); margin: 0 auto; padding: 0 1.5rem }

/* ---- Page Transitions ---- */
body { opacity: 0; animation: bodyFadeIn 0.5s ease forwards }
@keyframes bodyFadeIn { from { opacity: 0 } to { opacity: 1 } }
.page-transition { position: fixed; inset: 0; background: var(--bg-primary); z-index: 10000; display: block; opacity: 1; pointer-events: none }
.page-transition.fade-out { animation: pageFadeOut 0.6s ease forwards }
.page-transition.fade-in { animation: pageFadeIn 0.4s ease forwards }
@keyframes pageFadeOut { from { opacity: 1 } to { opacity: 0 } }
@keyframes pageFadeIn { from { opacity: 0 } to { opacity: 1 } }

/* ---- Layout ---- */
.section { padding: 7rem 0 }
.section-label { font-size: 0.75rem; font-weight: 600; letter-spacing: 0.2em; text-transform: uppercase; color: var(--accent); margin-bottom: 1rem; display: inline-flex; align-items: center; gap: 0.5rem }
.section-label::before { content: ''; width: 24px; height: 2px; background: var(--accent); border-radius: 2px }
.section-heading { margin-bottom: 1rem }
.section-subtext { max-width: 600px; font-size: 1.1rem }

/* ---- Buttons ---- */
.btn { display: inline-flex; align-items: center; justify-content: center; gap: 0.5rem; padding: 0.875rem 1.75rem; font-size: 0.9375rem; font-weight: 600; border-radius: var(--radius); transition: all var(--transition); white-space: nowrap; cursor: pointer }
.btn-primary { background: var(--accent); color: #fff; box-shadow: 0 4px 20px rgba(var(--accent-rgb),0.3); border: none }
.btn-primary:hover { background: var(--accent-hover); box-shadow: 0 8px 30px rgba(var(--accent-rgb),0.4); transform: translateY(-2px) }
.btn-secondary { background: transparent; color: var(--text-primary); border: 1px solid var(--border-light) }
.btn-secondary:hover { border-color: var(--accent); background: rgba(var(--accent-rgb),0.05); transform: translateY(-2px) }
.text-link { color: var(--accent); font-weight: 500 }
.text-link:hover { color: var(--accent-hover); text-decoration: underline }

/* ---- Navigation ---- */
.nav { position: fixed; top: 0; left: 0; right: 0; z-index: 1000; padding: 1.25rem 0; transition: all var(--transition) }
.nav.scrolled { background: rgba(10,10,11,0.9); backdrop-filter: blur(20px); border-bottom: 1px solid var(--border); padding: 1rem 0 }
.nav-inner { display: flex; align-items: center; justify-content: space-between }
.nav-logo { font-size: 1.25rem; font-weight: 800; color: var(--text-primary); letter-spacing: -0.03em }
.nav-logo span { color: var(--accent) }
.nav-links { display: flex; gap: 2.5rem; align-items: center }
.nav-links a { font-size: 0.875rem; font-weight: 500; color: var(--text-secondary); transition: color var(--transition); position: relative }
.nav-links a::after { content: ''; position: absolute; bottom: -4px; left: 0; width: 0; height: 2px; background: var(--accent); transition: width var(--transition) }
.nav-links a:hover { color: var(--text-primary) }
.nav-links a:hover::after { width: 100% }
.nav-links a.active { color: var(--accent); font-weight: 600 }
.nav-links a.active::after { width: 100% }
.nav-cta { background: var(--accent); color: #fff; padding: 0.625rem 1.25rem; border-radius: var(--radius); font-weight: 600; font-size: 0.8125rem; box-shadow: 0 4px 15px rgba(var(--accent-rgb),0.3); transition: all var(--transition) }
.nav-cta:hover { background: var(--accent-hover); box-shadow: 0 6px 20px rgba(var(--accent-rgb),0.4); transform: translateY(-2px) }
.nav-toggle { display: none; flex-direction: column; gap: 5px; padding: 0.75rem; background: none; border: none; cursor: pointer; z-index: 1002 }
.nav-toggle span { display: block; width: 24px; height: 2px; background: var(--text-primary); transition: all var(--transition); border-radius: 2px; transform-origin: center }
.nav-toggle[aria-expanded="true"] span:nth-child(1) { transform: rotate(45deg) translate(5px,5px) }
.nav-toggle[aria-expanded="true"] span:nth-child(2) { opacity: 0; transform: scaleX(0) }
.nav-toggle[aria-expanded="true"] span:nth-child(3) { transform: rotate(-45deg) translate(5px,-5px) }
.nav-overlay { position: fixed; pointer-events: none; inset: 0; background: rgba(0,0,0,0.6); backdrop-filter: blur(4px); opacity: 0; visibility: hidden; transition: all 0.3s ease; z-index: 999 }
.nav-overlay.active { opacity: 1; visibility: visible; pointer-events: auto }
.nav-back { font-size: 0.8125rem; color: var(--text-secondary) }
.nav-back:hover { color: var(--text-primary) }

@media (max-width: 900px) {
  .nav-links { position: fixed; top: 0; right: -100%; width: min(320px, 85vw); height: 100vh; flex-direction: column; justify-content: flex-start; padding-top: 6rem; background: var(--bg-secondary); gap: 0.5rem; transition: right 0.35s cubic-bezier(0.4,0,0.2,1); border-left: 1px solid var(--border); box-shadow: -10px 0 40px rgba(0,0,0,0.5); z-index: 1001; display: flex !important }
  .nav-links.open { right: 0; pointer-events: auto }
  .nav-links a { font-size: 1.125rem; padding: 1rem 0.5rem; display: block; border-bottom: 1px solid var(--border) }
  .nav-links a::after { display: none }
  .nav-links a:hover { background: rgba(var(--accent-rgb),0.05); border-radius: 8px; padding-left: 1rem }
  .nav-cta { width: calc(100% - 1rem); text-align: center; margin: 1.5rem 0.5rem 0; padding: 1rem 1.25rem; font-size: 0.9375rem }
  .nav-toggle { display: flex }
}

/* ---- Breadcrumb ---- */
.breadcrumb { font-size: 0.8125rem; color: var(--text-muted); margin-bottom: 1rem; display: flex; align-items: center; gap: 0.5rem }
.breadcrumb a { color: var(--text-secondary); transition: color 0.3s }
.breadcrumb a:hover { color: var(--accent) }
.breadcrumb span { color: var(--text-muted) }

/* ---- Page Header ---- */
.page-header { padding: 10rem 0 3rem; text-align: center; position: relative; overflow: hidden }
.page-header::before { content: ''; position: absolute; inset: 0; background: radial-gradient(ellipse 80% 50% at 50% 30%, rgba(var(--accent-rgb),0.1), transparent 60%) }
.page-header .container { position: relative; z-index: 2 }
.page-header h1 { margin: 0 auto 1rem; max-width: 820px; font-size: clamp(2.25rem, 4.5vw, 3.5rem); line-height: 1.1 }
.page-header-lead { font-size: 1.15rem; max-width: 560px; margin: 0 auto; color: var(--text-secondary) }
.lead { font-size: 1.15rem; color: var(--text-secondary); max-width: 600px }

/* ---- Footer ---- */
.site-footer { border-top: 1px solid var(--border); padding: 2.5rem 0; text-align: center }
.site-footer p { font-size: 0.8125rem; color: var(--text-muted) }
.site-footer a { color: var(--text-secondary); transition: color var(--transition) }
.site-footer a:hover { color: var(--accent) }

/* ---- Scroll Reveal ---- */
.reveal { opacity: 0; transform: translateY(30px); transition: opacity 0.7s cubic-bezier(0.4,0,0.2,1), transform 0.7s cubic-bezier(0.4,0,0.2,1) }
.reveal.revealed { opacity: 1; transform: translateY(0) }
.reveal-fade { opacity: 0; transition: opacity 0.7s cubic-bezier(0.4,0,0.2,1) }
.reveal-fade.revealed { opacity: 1 }
.reveal-scale { opacity: 0; transform: scale(0.95); transition: opacity 0.7s cubic-bezier(0.4,0,0.2,1), transform 0.7s cubic-bezier(0.4,0,0.2,1) }
.reveal-scale.revealed { opacity: 1; transform: scale(1) }
.reveal-left { opacity: 0; transform: translateX(-30px); transition: opacity 0.7s cubic-bezier(0.4,0,0.2,1), transform 0.7s cubic-bezier(0.4,0,0.2,1) }
.reveal-left.revealed { opacity: 1; transform: translateX(0) }
.reveal-right { opacity: 0; transform: translateX(30px); transition: opacity 0.7s cubic-bezier(0.4,0,0.2,1), transform 0.7s cubic-bezier(0.4,0,0.2,1) }
.reveal-right.revealed { opacity: 1; transform: translateX(0) }
.reveal-rotate { opacity: 0; transform: translateY(20px) rotate(-2deg); transition: opacity 0.7s cubic-bezier(0.4,0,0.2,1), transform 0.7s cubic-bezier(0.4,0,0.2,1) }
.reveal-rotate.revealed { opacity: 1; transform: translateY(0) rotate(0) }
.slide-reveal-left { opacity: 0; transform: translateX(-50px); transition: opacity 0.8s cubic-bezier(0.16,1,0.3,1), transform 0.8s cubic-bezier(0.16,1,0.3,1) }
.slide-reveal-left.revealed { opacity: 1; transform: translateX(0) }
.slide-reveal-right { opacity: 0; transform: translateX(50px); transition: opacity 0.8s cubic-bezier(0.16,1,0.3,1), transform 0.8s cubic-bezier(0.16,1,0.3,1) }
.slide-reveal-right.revealed { opacity: 1; transform: translateX(0) }
.scale-reveal { opacity: 0; transform: scale(0.9); transition: opacity 0.8s cubic-bezier(0.16,1,0.3,1), transform 0.8s cubic-bezier(0.16,1,0.3,1) }
.scale-reveal.revealed { opacity: 1; transform: scale(1) }
.flip-reveal { opacity: 0; transform: perspective(800px) rotateY(15deg); transition: opacity 0.8s cubic-bezier(0.16,1,0.3,1), transform 0.8s cubic-bezier(0.16,1,0.3,1) }
.flip-reveal.revealed { opacity: 1; transform: perspective(800px) rotateY(0) }
.blur-reveal { opacity: 0; filter: blur(8px); transition: opacity 0.8s cubic-bezier(0.16,1,0.3,1), filter 0.8s cubic-bezier(0.16,1,0.3,1) }
.blur-reveal.revealed { opacity: 1; filter: blur(0) }
.icon-pop { opacity: 0; transform: scale(0.5); transition: opacity 0.5s cubic-bezier(0.34,1.56,0.64,1), transform 0.5s cubic-bezier(0.34,1.56,0.64,1) }
.icon-pop.revealed { opacity: 1; transform: scale(1) }
.line-draw { position: relative }
.line-draw::after { content: ''; position: absolute; bottom: 0; left: 0; width: 0; height: 2px; background: var(--accent); transition: width 0.8s cubic-bezier(0.16,1,0.3,1) }
.line-draw.revealed::after { width: 100% }

[data-reveal-delay="100"] { transition-delay: 0.1s }
[data-reveal-delay="200"] { transition-delay: 0.2s }
[data-reveal-delay="300"] { transition-delay: 0.3s }
[data-reveal-delay="400"] { transition-delay: 0.4s }
[data-reveal-delay="500"] { transition-delay: 0.5s }
[data-reveal-delay="600"] { transition-delay: 0.6s }

/* ---- Stagger Container ---- */
.stagger-container .stagger-item { opacity: 0; transform: translateY(20px); transition: opacity 0.5s ease, transform 0.5s ease }
.stagger-container.revealed .stagger-item { opacity: 1; transform: translateY(0) }
.stagger-container.revealed .stagger-item:nth-child(1) { transition-delay: 0s }
.stagger-container.revealed .stagger-item:nth-child(2) { transition-delay: 0.1s }
.stagger-container.revealed .stagger-item:nth-child(3) { transition-delay: 0.2s }
.stagger-container.revealed .stagger-item:nth-child(4) { transition-delay: 0.3s }
.stagger-container.revealed .stagger-item:nth-child(5) { transition-delay: 0.4s }
.stagger-container.revealed .stagger-item:nth-child(6) { transition-delay: 0.5s }
.stagger-container.revealed .stagger-item:nth-child(7) { transition-delay: 0.6s }
.stagger-container.revealed .stagger-item:nth-child(8) { transition-delay: 0.7s }

/* ---- CTA Section (shared) ---- */
.cta-section { text-align: center; background: var(--bg-secondary); padding: 5rem 0 }
.cta-section h2 { margin: 0 auto 1rem }
.cta-section p { max-width: 500px; margin: 0 auto 2rem }
.cta-actions { display: flex; gap: 1rem; justify-content: center; flex-wrap: wrap }

/* ---- Contact Widget ---- */
.contact-widget { position: fixed; bottom: 2rem; right: 2rem; z-index: 900; opacity: 0; animation: widgetFadeIn 0.4s ease forwards; animation-delay: 1.5s }
.contact-widget a { display: flex; align-items: center; gap: 0.5rem; padding: 0.75rem 1.25rem; background: var(--accent); color: #fff; border-radius: 999px; font-size: 0.8125rem; font-weight: 600; box-shadow: 0 4px 20px rgba(var(--accent-rgb),0.4); transition: all var(--transition) }
.contact-widget a:hover { background: var(--accent-hover); box-shadow: 0 8px 30px rgba(var(--accent-rgb),0.5); transform: translateY(-2px) }
@keyframes widgetFadeIn { from { opacity: 0; transform: translateY(10px) } to { opacity: 1; transform: translateY(0) } }

/* ---- Testimonials (shared — grid + carousel) ---- */
.testimonials-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(320px, 1fr)); gap: 1.5rem; margin-top: 3rem }
.testimonial-card { padding: 2rem; border-radius: var(--radius-lg); border: 1px solid var(--border); background: var(--bg-card); transition: all var(--transition); position: relative }
.testimonial-card:hover { border-color: var(--border-light); background: var(--bg-card-hover); transform: translateY(-4px) }
.testimonial-card::before { content: '\201C'; position: absolute; top: 1rem; right: 1.5rem; font-size: 3.5rem; line-height: 1; color: var(--accent); opacity: 0.2; font-family: Georgia, serif }
.testimonial-text { font-size: 0.9375rem; color: var(--text-secondary); line-height: 1.7; margin-bottom: 1.5rem; font-style: italic }
.testimonial-author { display: flex; align-items: center; gap: 0.75rem }
.testimonial-avatar { width: 40px; height: 40px; border-radius: 50%; background: var(--accent-glow); border: 1.5px solid var(--accent); display: flex; align-items: center; justify-content: center; font-size: 0.875rem; font-weight: 700; color: var(--accent); flex-shrink: 0; overflow: hidden }
.testimonial-avatar--image { background: transparent; padding: 0 }
.testimonial-avatar--image img { width: 100%; height: 100%; object-fit: cover; border-radius: 50% }
.testimonial-meta { display: flex; flex-direction: column }
.testimonial-name { font-size: 0.875rem; font-weight: 600; color: var(--text-primary) }
.testimonial-role { font-size: 0.8125rem; color: var(--text-muted) }

/* Testimonials Carousel variant (marquee, matches skills carousel behavior) */
.testimonials-carousel-wrapper { margin-top: 3rem; overflow: hidden }
.testimonials-carousel-track { position: relative; width: 100%; overflow: hidden; padding: 1rem 0; -webkit-mask-image: linear-gradient(to right, transparent 0%, #000 6%, #000 94%, transparent 100%); mask-image: linear-gradient(to right, transparent 0%, #000 6%, #000 94%, transparent 100%) }
.testimonials-carousel-inner { display: flex; gap: 1.5rem; width: max-content; will-change: transform; align-items: stretch }
.testimonials-carousel-track[data-direction="left"] .testimonials-carousel-inner { animation: scrollLeft 180s linear infinite }
.testimonials-carousel-track[data-direction="right"] .testimonials-carousel-inner { animation: scrollRight 180s linear infinite }
.testimonials-carousel-track:hover .testimonials-carousel-inner { animation-play-state: paused }
.testimonials-carousel-inner .testimonial-card { width: 400px; flex-shrink: 0; margin: 0; display: flex; flex-direction: column }
.testimonials-carousel-inner .testimonial-text { flex: 1 }
@media (max-width: 640px) { .testimonials-carousel-inner .testimonial-card { width: 320px } }
@keyframes scrollLeft { 0% { transform: translateX(0) } 100% { transform: translateX(-50%) } }
@keyframes scrollRight { 0% { transform: translateX(-50%) } 100% { transform: translateX(0) } }

/* ---- Responsive ---- */
@media (max-width: 768px) {
  .page-header { padding: 8rem 0 2rem }
  .section { padding: 4rem 0 }
}
@media (max-width: 480px) {
  .container { padding: 0 1rem }
}