/* ============================================================
   Project 4 Portfolio — style.css
   ============================================================ */

/* CUSTOM PROPERTIES */
:root {
  --bg:           #07111f;
  --bg-secondary: #0b1220;
  --card:         #101a2b;
  --card-elev:    #111827;
  --border:       rgba(255,255,255,0.08);
  --border-hover: rgba(110,231,106,0.3);
  --green:        #6ee76a;
  --green-deep:   #22c55e;
  --green-soft:   #a7f37b;
  --green-glow:   rgba(110,231,106,0.12);
  --text:         #f8fafc;
  --text-muted:   #94a3b8;
  --text-subtle:  rgba(255,255,255,0.72);
  --font:         'Inter', system-ui, -apple-system, sans-serif;
  --mono:         'Consolas', 'Monaco', monospace;
  --radius:       12px;
  --radius-lg:    20px;
  --radius-sm:    8px;
  --ease:         cubic-bezier(0.4,0,0.2,1);
  --transition:   0.25s cubic-bezier(0.4,0,0.2,1);
  --section-py:   clamp(5rem,10vw,8rem);
  --container:    1200px;
  --px:           clamp(1.25rem,5vw,2.5rem);
}

/* RESET */
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{font-family:var(--font);background:var(--bg);color:var(--text);line-height:1.6;-webkit-font-smoothing:antialiased;overflow-x:hidden}
img,video{max-width:100%;height:auto;display:block}
a{color:inherit;text-decoration:none}
ul,ol{list-style:none}
button{font:inherit;cursor:pointer;border:none;background:none}
input,textarea{font:inherit}

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

:focus-visible{outline:2px solid var(--green);outline-offset:3px;border-radius:var(--radius-sm)}

::selection{background:rgba(110,231,106,0.2);color:var(--text)}

::-webkit-scrollbar{width:7px}
::-webkit-scrollbar-track{background:var(--bg-secondary)}
::-webkit-scrollbar-thumb{background:rgba(255,255,255,0.1);border-radius:4px}
::-webkit-scrollbar-thumb:hover{background:rgba(255,255,255,0.2)}

/* UTILITIES */
.text-gradient{
  background:linear-gradient(135deg,var(--green) 0%,var(--green-soft) 100%);
  -webkit-background-clip:text;
  -webkit-text-fill-color:transparent;
  background-clip:text;
}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 var(--px)}
.section{padding:var(--section-py) 0}
.body-text{font-size:1.0625rem;color:var(--text-muted);line-height:1.8;margin-bottom:1rem}

.section-header{text-align:center;max-width:720px;margin:0 auto 4rem}
.section-eyebrow{font-size:.75rem;font-weight:600;letter-spacing:.15em;text-transform:uppercase;color:var(--green);margin-bottom:.875rem}
.section-heading{font-size:clamp(1.75rem,4vw,2.75rem);font-weight:800;line-height:1.2;letter-spacing:-.02em;margin-bottom:1rem}
.section-subheading{font-size:1.0625rem;color:var(--text-muted);line-height:1.7}

/* BUTTONS */
.btn{
  display:inline-flex;align-items:center;gap:.5rem;
  padding:.75rem 1.5rem;border-radius:var(--radius);
  font-size:.9375rem;font-weight:600;
  transition:all var(--transition);cursor:pointer;
  border:1.5px solid transparent;white-space:nowrap;
}
.btn-primary{
  background:linear-gradient(135deg,var(--green-deep),var(--green));
  color:#07111f;
  box-shadow:0 0 20px rgba(110,231,106,0.18);
}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 0 32px rgba(110,231,106,0.35);color:#07111f}
.btn-secondary{background:transparent;border-color:var(--border);color:var(--text-subtle)}
.btn-secondary:hover{border-color:var(--green);color:var(--green);background:var(--green-glow);transform:translateY(-2px)}
.btn-ghost{background:transparent;border-color:var(--border);color:var(--text-muted);font-size:.875rem;padding:.5rem 1rem}
.btn-ghost:hover{border-color:var(--green);color:var(--green)}
.btn-sm{padding:.5rem 1rem;font-size:.875rem}
.btn-full{width:100%;justify-content:center}

/* NAV */
.site-header{
  position:fixed;top:0;left:0;right:0;z-index:100;
  padding:1rem 0;
  transition:background var(--transition),border-color var(--transition),padding var(--transition);
  border-bottom:1px solid transparent;
}
.site-header.scrolled{
  background:rgba(7,17,31,0.92);
  backdrop-filter:blur(16px);
  -webkit-backdrop-filter:blur(16px);
  border-color:var(--border);
  padding:.75rem 0;
}
.nav-inner{display:flex;align-items:center;justify-content:space-between;gap:2rem}
.nav-logo{display:flex;align-items:center;gap:.625rem;font-weight:700;color:var(--text);flex-shrink:0}
.logo-mark{
  display:flex;align-items:center;justify-content:center;
  width:32px;height:32px;
  background:linear-gradient(135deg,var(--green-deep),var(--green));
  color:#07111f;font-size:.7rem;font-weight:800;
  border-radius:8px;letter-spacing:-.02em;flex-shrink:0;
}
.logo-text{font-size:1rem;font-weight:700}
.nav-menu{display:flex;align-items:center;gap:.25rem}
.nav-link{
  padding:.5rem .875rem;border-radius:var(--radius-sm);
  font-size:.9rem;font-weight:500;color:var(--text-muted);
  transition:color var(--transition),background var(--transition);
}
.nav-link:hover{color:var(--text);background:rgba(255,255,255,0.05)}
.nav-link.active{color:var(--green)}
.nav-link-cta{
  background:rgba(110,231,106,0.08);
  color:var(--green)!important;
  border:1px solid rgba(110,231,106,0.2);
}
.nav-link-cta:hover{background:rgba(110,231,106,0.15)!important;border-color:var(--green)}

.nav-toggle{display:none;flex-direction:column;gap:5px;padding:.5rem;border-radius:var(--radius-sm);transition:background var(--transition)}
.nav-toggle:hover{background:rgba(255,255,255,0.05)}
.hamburger-line{width:22px;height:2px;background:var(--text-subtle);border-radius:2px;transition:all var(--transition);display:block}
.nav-toggle[aria-expanded="true"] .hamburger-line:nth-child(1){transform:translateY(7px) rotate(45deg)}
.nav-toggle[aria-expanded="true"] .hamburger-line:nth-child(2){opacity:0;transform:scaleX(0)}
.nav-toggle[aria-expanded="true"] .hamburger-line:nth-child(3){transform:translateY(-7px) rotate(-45deg)}

/* HERO */
.section-hero{
  position:relative;min-height:100svh;
  display:flex;align-items:center;
  padding:8rem 0 5rem;overflow:hidden;
}
.hero-bg-grid{
  position:absolute;inset:0;
  background-image:
    linear-gradient(rgba(110,231,106,.025) 1px,transparent 1px),
    linear-gradient(90deg,rgba(110,231,106,.025) 1px,transparent 1px);
  background-size:60px 60px;
  mask-image:radial-gradient(ellipse 80% 70% at 50% 40%,black 30%,transparent 100%);
  -webkit-mask-image:radial-gradient(ellipse 80% 70% at 50% 40%,black 30%,transparent 100%);
  pointer-events:none;
}
.hero-layout{display:grid;grid-template-columns:1fr 1fr;gap:4rem;align-items:center}
.hero-eyebrow{font-size:.8125rem;font-weight:600;letter-spacing:.12em;text-transform:uppercase;color:var(--green);margin-bottom:1.25rem}
.hero-headline{font-size:clamp(2.125rem,5vw,3.625rem);font-weight:800;line-height:1.14;letter-spacing:-.03em;margin-bottom:1.5rem}
.hero-subheadline{font-size:clamp(1rem,2vw,1.125rem);color:var(--text-muted);line-height:1.75;margin-bottom:2.5rem;max-width:520px}
.hero-ctas{display:flex;gap:1rem;flex-wrap:wrap;margin-bottom:2.5rem}
.hero-badges{display:flex;flex-wrap:wrap;gap:.5rem}
.hero-badge{
  padding:.3rem .875rem;border-radius:100px;font-size:.8rem;font-weight:500;
  background:rgba(255,255,255,0.04);border:1px solid var(--border);color:var(--text-muted);
}

/* HERO VISUAL */
.hero-visual{position:relative;height:480px}
.hero-glow{
  position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);
  width:420px;height:420px;
  background:radial-gradient(ellipse,rgba(110,231,106,.1) 0%,transparent 70%);
  pointer-events:none;
}

.app-window{
  position:absolute;
  background:var(--card);
  border:1px solid var(--border);
  border-radius:var(--radius-lg);
  width:270px;
  box-shadow:0 24px 64px rgba(0,0,0,.55),0 0 0 1px var(--border);
  overflow:hidden;
}
.app-window--1{top:16px;left:32px;animation:float1 6s ease-in-out infinite}
.app-window--2{bottom:32px;right:4px;animation:float2 7.5s ease-in-out infinite;animation-delay:-2.5s}

@keyframes float1{0%,100%{transform:translateY(0) rotate(-1deg)}50%{transform:translateY(-14px) rotate(-.5deg)}}
@keyframes float2{0%,100%{transform:translateY(0) rotate(1deg)}50%{transform:translateY(-9px) rotate(.5deg)}}

.app-window-header{
  display:flex;align-items:center;gap:.75rem;
  padding:.625rem .875rem;
  background:rgba(255,255,255,0.025);
  border-bottom:1px solid var(--border);
}
.app-window-dots{display:flex;gap:5px}
.app-window-dots span{width:10px;height:10px;border-radius:50%}
.app-window-dots span:nth-child(1){background:#ff5f57}
.app-window-dots span:nth-child(2){background:#febc2e}
.app-window-dots span:nth-child(3){background:#28c840}
.app-window-title{font-size:.75rem;font-weight:600;color:var(--text-muted)}
.app-window-body{padding:.875rem}

/* KeyForge window */
.app-field-label{font-size:.65rem;font-weight:600;letter-spacing:.08em;text-transform:uppercase;color:var(--text-muted);margin-bottom:.375rem}
.app-password-field{
  display:flex;align-items:center;justify-content:space-between;
  background:rgba(255,255,255,.04);border:1px solid var(--border);
  border-radius:var(--radius-sm);padding:.5rem .75rem;margin-bottom:.625rem;
}
.app-password-text{font-family:var(--mono);font-size:.8125rem;color:var(--green);letter-spacing:.04em}
.app-copy-icon{color:var(--text-muted);flex-shrink:0}
.app-options{display:flex;gap:.375rem;margin-bottom:.625rem;flex-wrap:wrap}
.app-badge-green{
  padding:.175rem .5rem;border-radius:100px;font-size:.65rem;font-weight:600;
  background:rgba(110,231,106,.12);border:1px solid rgba(110,231,106,.25);color:var(--green);
}
.app-option{
  padding:.175rem .5rem;border-radius:100px;font-size:.65rem;font-weight:500;
  background:rgba(255,255,255,.04);border:1px solid var(--border);color:var(--text-muted);
}
.app-strength{height:4px;background:rgba(255,255,255,.06);border-radius:2px;overflow:hidden}
.strength-bar{height:100%;background:linear-gradient(90deg,var(--green-deep),var(--green));border-radius:2px}

/* Macro Log window */
.macro-row{display:flex;align-items:center;gap:.5rem;margin-bottom:.5rem}
.macro-label{font-size:.65rem;font-weight:500;color:var(--text-muted);width:42px;flex-shrink:0}
.macro-bar-track{flex:1;height:5px;background:rgba(255,255,255,.06);border-radius:3px;overflow:hidden}
.macro-bar{height:100%;border-radius:3px}
.macro-bar--protein{background:var(--green)}
.macro-bar--carbs{background:#60a5fa}
.macro-bar--fat{background:#f59e0b}
.macro-value{font-size:.65rem;font-weight:600;color:var(--text-muted);width:30px;text-align:right}
.macro-total{
  margin-top:.625rem;padding-top:.5rem;border-top:1px solid var(--border);
  font-size:.75rem;font-weight:700;color:var(--text);display:flex;align-items:center;gap:.25rem;
}
.macro-total-target{font-size:.7rem;color:var(--text-muted);font-weight:400}

/* Floating stat cards */
.stat-float{
  position:absolute;display:flex;align-items:center;gap:.625rem;
  padding:.625rem .875rem;
  background:var(--card-elev);border:1px solid var(--border);
  border-radius:var(--radius);box-shadow:0 8px 32px rgba(0,0,0,.4);
  animation:float2 8s ease-in-out infinite;
}
.stat-float--1{top:150px;right:14px;animation-delay:-1s}
.stat-float--2{bottom:155px;left:14px;animation-delay:-4.5s}
.stat-float-icon{font-size:1.125rem;line-height:1}
.stat-float-dot{width:10px;height:10px;border-radius:50%;background:var(--green);box-shadow:0 0 8px var(--green);flex-shrink:0}
.stat-float-value{font-size:1rem;font-weight:800;color:var(--text);line-height:1.2}
.stat-float-label{font-size:.65rem;color:var(--text-muted);margin-top:.1rem}

/* SCROLL ANIMATIONS */
.animate-fade-up{
  opacity:0;transform:translateY(24px);
  animation:fadeUp .8s var(--ease) forwards;
  animation-delay:.15s;
}
@keyframes fadeUp{to{opacity:1;transform:translateY(0)}}

.animate-on-scroll{
  opacity:0;transform:translateY(20px);
  transition:opacity .65s var(--ease),transform .65s var(--ease);
}
.animate-on-scroll.in-view{opacity:1;transform:translateY(0)}

/* ABOUT */
.section-about{background:var(--bg-secondary);border-top:1px solid var(--border);border-bottom:1px solid var(--border)}
.about-layout{display:grid;grid-template-columns:1.2fr .8fr;gap:5rem;align-items:center}
.about-stats{display:grid;grid-template-columns:1fr 1fr;gap:1.25rem}
.stat-block{
  padding:1.5rem;background:var(--card);border:1px solid var(--border);
  border-radius:var(--radius);transition:border-color var(--transition),transform var(--transition);
}
.stat-block:hover{border-color:var(--border-hover);transform:translateY(-3px)}
.stat-block-value{font-size:1.75rem;font-weight:800;line-height:1.1;margin-bottom:.375rem}
.stat-block-label{font-size:.825rem;color:var(--text-muted);line-height:1.5}

/* SKILLS */
.section-skills{background:var(--bg)}
.skills-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:1.25rem}
.skill-card{
  background:var(--card);border:1px solid var(--border);
  border-radius:var(--radius-lg);padding:1.75rem;
  transition:all var(--transition);position:relative;overflow:hidden;
}
.skill-card::before{
  content:'';position:absolute;top:0;left:0;right:0;height:2px;
  background:linear-gradient(90deg,transparent,var(--green),transparent);
  opacity:0;transition:opacity var(--transition);
}
.skill-card:hover{border-color:var(--border-hover);transform:translateY(-4px);box-shadow:0 12px 40px rgba(0,0,0,.3)}
.skill-card:hover::before{opacity:1}
.skill-card-icon{
  width:44px;height:44px;display:flex;align-items:center;justify-content:center;
  background:var(--green-glow);border:1px solid rgba(110,231,106,.2);
  border-radius:12px;color:var(--green);margin-bottom:1.125rem;
}
.skill-card-title{font-size:1.0625rem;font-weight:700;margin-bottom:1rem;color:var(--text)}
.skill-list{display:flex;flex-direction:column;gap:.5rem}
.skill-list li{font-size:.875rem;color:var(--text-muted);padding-left:1rem;position:relative;line-height:1.5}
.skill-list li::before{
  content:'';position:absolute;left:0;top:.55rem;
  width:5px;height:5px;border-radius:50%;background:var(--green);opacity:.6;
}

/* WORK */
.section-work{background:var(--bg-secondary);border-top:1px solid var(--border);border-bottom:1px solid var(--border)}
.work-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:1.25rem}
.project-card{
  background:var(--card);border:1px solid var(--border);
  border-radius:var(--radius-lg);padding:1.5rem;
  display:flex;flex-direction:column;gap:.875rem;
  transition:all var(--transition);
}
.project-card:hover{border-color:var(--border-hover);transform:translateY(-4px);box-shadow:0 16px 48px rgba(0,0,0,.3)}
.project-card-header{display:flex;align-items:flex-start;justify-content:space-between;gap:.5rem}
.project-icon{font-size:2rem;line-height:1}
.project-status{padding:.25rem .625rem;border-radius:100px;font-size:.7rem;font-weight:600;letter-spacing:.04em;flex-shrink:0}
.project-status--live{background:rgba(110,231,106,.1);border:1px solid rgba(110,231,106,.28);color:var(--green)}
.project-status--dev{background:rgba(148,163,184,.07);border:1px solid rgba(148,163,184,.18);color:var(--text-muted)}
.project-title{font-size:1.125rem;font-weight:700;color:var(--text);line-height:1.3}
.project-description{font-size:.9rem;color:var(--text-muted);line-height:1.7;flex:1}
.project-tags{display:flex;flex-wrap:wrap;gap:.375rem}
.tag{
  padding:.2rem .6rem;border-radius:100px;font-size:.75rem;font-weight:500;
  background:rgba(255,255,255,.04);border:1px solid var(--border);color:var(--text-muted);
}
.project-footer{padding-top:.625rem;border-top:1px solid var(--border)}

/* APPS */
.section-apps{background:var(--bg)}
.apps-layout{display:grid;grid-template-columns:1fr 1fr;gap:5rem;align-items:center}
.app-qualities{display:grid;grid-template-columns:1fr 1fr;gap:.875rem}
.app-quality-card{
  display:flex;align-items:flex-start;gap:.875rem;padding:1.125rem;
  background:var(--card);border:1px solid var(--border);border-radius:var(--radius);
  transition:all var(--transition);
}
.app-quality-card:hover{border-color:var(--border-hover);transform:translateY(-2px)}
.app-quality-icon{font-size:1.375rem;line-height:1;flex-shrink:0;margin-top:.1rem}
.app-quality-title{font-size:.875rem;font-weight:600;color:var(--text);margin-bottom:.25rem;line-height:1.3}
.app-quality-desc{font-size:.8rem;color:var(--text-muted);line-height:1.5}

/* PROCESS */
.section-process{background:var(--bg-secondary);border-top:1px solid var(--border);border-bottom:1px solid var(--border)}
.process-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:1.25rem}
.process-step{
  padding:2rem 1.5rem;background:var(--card);border:1px solid var(--border);
  border-radius:var(--radius-lg);transition:all var(--transition);
}
.process-step:hover{border-color:var(--border-hover);transform:translateY(-4px)}
.process-number{font-size:.7rem;font-weight:700;letter-spacing:.1em;color:var(--green);margin-bottom:.875rem;font-family:var(--mono)}
.process-icon{
  width:40px;height:40px;display:flex;align-items:center;justify-content:center;
  background:var(--green-glow);border:1px solid rgba(110,231,106,.2);
  border-radius:10px;color:var(--green);margin-bottom:1.25rem;
}
.process-title{font-size:1rem;font-weight:700;color:var(--text);margin-bottom:.625rem;line-height:1.35}
.process-description{font-size:.875rem;color:var(--text-muted);line-height:1.7}

/* CONTACT */
.section-contact{background:var(--bg)}
.contact-layout{display:grid;grid-template-columns:.85fr 1.15fr;gap:5rem;align-items:start}
.contact-links{display:flex;flex-direction:column;gap:.75rem;margin-top:2rem}
.contact-link{
  display:inline-flex;align-items:center;gap:.625rem;
  padding:.75rem 1.25rem;background:var(--card);border:1px solid var(--border);
  border-radius:var(--radius);font-size:.9375rem;font-weight:500;color:var(--text-muted);
  transition:all var(--transition);width:fit-content;
}
.contact-link:hover{border-color:var(--green);color:var(--green);background:var(--green-glow);transform:translateX(4px)}
.contact-form-wrapper{background:var(--card);border:1px solid var(--border);border-radius:var(--radius-lg);padding:2rem}
.contact-form{display:flex;flex-direction:column;gap:1.25rem}
.form-group{display:flex;flex-direction:column;gap:.375rem}
.form-label{font-size:.875rem;font-weight:600;color:var(--text-subtle)}
.form-input{
  background:var(--bg-secondary);border:1px solid var(--border);
  border-radius:var(--radius-sm);padding:.75rem 1rem;
  color:var(--text);font-size:.9375rem;width:100%;
  transition:border-color var(--transition),box-shadow var(--transition);
}
.form-input::placeholder{color:rgba(148,163,184,.45)}
.form-input:focus{outline:none;border-color:var(--green);box-shadow:0 0 0 3px rgba(110,231,106,.1)}
.form-textarea{resize:vertical;min-height:140px}
.form-honeypot{position:absolute;width:1px;height:1px;padding:0;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}
.form-note{font-size:.875rem;text-align:center;min-height:1.5rem;transition:color var(--transition)}
.form-note.success{color:var(--green)}
.form-note.error{color:#f87171}

/* FOOTER */
.site-footer{background:var(--bg-secondary);border-top:1px solid var(--border);padding:2.5rem 0}
.footer-inner{display:flex;align-items:center;justify-content:space-between;gap:2rem;flex-wrap:wrap}
.footer-brand{display:flex;flex-direction:column;gap:.375rem}
.footer-tagline{font-size:.825rem;color:var(--text-muted)}
.footer-nav{display:flex;align-items:center;flex-wrap:wrap;gap:.125rem}
.footer-link{
  padding:.375rem .75rem;font-size:.875rem;color:var(--text-muted);
  border-radius:var(--radius-sm);transition:color var(--transition),background var(--transition);
}
.footer-link:hover{color:var(--green);background:rgba(110,231,106,.06)}
.footer-copy{display:flex;align-items:center;gap:1rem;font-size:.825rem;color:var(--text-muted)}

/* RESPONSIVE — tablet */
@media(max-width:1024px){
  .skills-grid{grid-template-columns:repeat(2,1fr)}
  .work-grid{grid-template-columns:repeat(2,1fr)}
  .process-grid{grid-template-columns:repeat(2,1fr)}
  .hero-layout{gap:2.5rem}
  .app-window{width:245px}
}

/* RESPONSIVE — mobile */
@media(max-width:768px){
  :root{--section-py:4rem}

  /* Mobile nav */
  .nav-toggle{display:flex}
  .nav-menu{
    position:fixed;inset:0;
    background:rgba(7,17,31,.97);
    backdrop-filter:blur(16px);
    -webkit-backdrop-filter:blur(16px);
    flex-direction:column;justify-content:center;align-items:center;gap:.5rem;
    opacity:0;pointer-events:none;
    transition:opacity var(--transition);
    z-index:99;
  }
  .nav-menu.open{opacity:1;pointer-events:all}
  .nav-link{font-size:1.25rem;padding:.75rem 2rem}
  .nav-toggle{z-index:100}

  /* Hero */
  .section-hero{min-height:auto;padding:7rem 0 4rem}
  .hero-layout{grid-template-columns:1fr;gap:2.5rem}
  .hero-visual{height:320px}
  .app-window{width:220px}
  .app-window--1{top:8px;left:8px}
  .app-window--2{bottom:8px;right:4px}
  .stat-float{display:none}

  /* Sections */
  .about-layout,.apps-layout,.contact-layout{grid-template-columns:1fr;gap:2.5rem}
  .skills-grid,.work-grid{grid-template-columns:1fr}
  .process-grid{grid-template-columns:1fr}
  .app-qualities{grid-template-columns:1fr}

  /* Footer */
  .footer-inner{flex-direction:column;align-items:flex-start;gap:1.5rem}
  .footer-copy{flex-direction:column;align-items:flex-start;gap:.375rem}
}

@media(max-width:480px){
  .hero-ctas{flex-direction:column}
  .hero-ctas .btn{width:100%;justify-content:center}
  .about-stats{grid-template-columns:1fr 1fr}
  .app-qualities{grid-template-columns:1fr 1fr}
}