/*
  ================================================
  MUHIRWA HERTIER — Portfolio Stylesheet
  Design: Dark luxury editorial
  Theme: Near-black canvas · Electric lime accent
  Fonts: Syne (display) · Outfit (body) · JetBrains Mono (code)
  ================================================
*/

/* ================================================
   CSS CUSTOM PROPERTIES
   ================================================ */
:root {
  /* Core palette — dark theme (default) */
  --bg-primary:     #0a0a0a;
  --bg-secondary:   #111111;
  --bg-card:        #161616;
  --bg-card-hover:  #1c1c1c;
  --bg-input:       #1a1a1a;

  --text-primary:   #f0f0f0;
  --text-secondary: #a0a0a0;
  --text-muted:     #606060;
  --text-inverse:   #0a0a0a;

  --border:         rgba(255, 255, 255, 0.07);
  --border-strong:  rgba(255, 255, 255, 0.12);

  /* Accent colors */
  --accent:         #00FF7F;
  --accent-dim:     rgba(0, 255, 127, 0.15);
  --accent-glow:    rgba(0, 255, 127, 0.25);
  --accent-amber:   #FFBE5C;
  --accent-violet:  #A78BFA;
  --accent-rose:    #FF6B9D;
  --accent-teal:    #34D399;

  /* Nav */
  --nav-bg:         rgba(10, 10, 10, 0.85);
  --nav-height:     72px;

  /* Shadows */
  --shadow-sm:      0 2px 8px rgba(0,0,0,0.3);
  --shadow-md:      0 8px 32px rgba(0,0,0,0.4);
  --shadow-lg:      0 24px 64px rgba(0,0,0,0.5);
  --shadow-glow:    0 0 40px var(--accent-glow);

  /* Radius */
  --r-sm:  8px;
  --r-md:  14px;
  --r-lg:  20px;
  --r-xl:  28px;
  --r-full: 9999px;

  /* Transitions */
  --ease:        cubic-bezier(0.25, 0.46, 0.45, 0.94);
  --ease-spring: cubic-bezier(0.34, 1.56, 0.64, 1);
  --ease-in:     cubic-bezier(0.55, 0, 1, 0.45);
  --ease-out:    cubic-bezier(0, 0.55, 0.45, 1);

  /* Typography */
  --font-display: 'Syne', sans-serif;
  --font-body:    'Outfit', sans-serif;
  --font-mono:    'JetBrains Mono', monospace;
}
.logo img {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  object-fit: cover;
}
/* Light theme overrides */
[data-theme="light"] {
  --bg-primary:     #fafafa;
  --bg-secondary:   #f4f4f4;
  --bg-card:        #ffffff;
  --bg-card-hover:  #f8f8f8;
  --bg-input:       #f0f0f0;

  --text-primary:   #111111;
  --text-secondary: #555555;
  --text-muted:     #888888;
  --text-inverse:   #ffffff;

  --border:         rgba(0, 0, 0, 0.08);
  --border-strong:  rgba(0, 0, 0, 0.14);

  --nav-bg:         rgba(250, 250, 250, 0.88);

  --shadow-sm:      0 2px 8px rgba(0,0,0,0.08);
  --shadow-md:      0 8px 32px rgba(0,0,0,0.10);
  --shadow-lg:      0 24px 64px rgba(0,0,0,0.12);
}


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

html {
  scroll-behavior: smooth;
  scroll-padding-top: var(--nav-height);
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  background-color: var(--bg-primary);
  color: var(--text-primary);
  font-family: var(--font-body);
  font-weight: 400;
  line-height: 1.6;
  overflow-x: hidden;
  transition: background-color 0.4s var(--ease), color 0.4s var(--ease);
}

body.loading { overflow: hidden; }

img { display: block; max-width: 100%; }

a {
  color: inherit;
  text-decoration: none;
}

ul { list-style: none; }

button {
  font-family: var(--font-body);
  cursor: pointer;
  border: none;
  background: none;
}

::selection {
  background: var(--accent-dim);
  color: var(--accent);
}

:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 4px;
  border-radius: 4px;
}


/* ================================================
   GRAIN TEXTURE OVERLAY
   ================================================ */
.grain {
  position: fixed;
  inset: -50%;
  width: 200%;
  height: 200%;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noise'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noise)'/%3E%3C/svg%3E");
  opacity: 0.035;
  pointer-events: none;
  z-index: 1000;
  animation: grainShift 0.4s steps(1) infinite;
}

@keyframes grainShift {
  0%   { transform: translate(0,   0);   }
  20%  { transform: translate(-2%, -3%); }
  40%  { transform: translate(2%,  1%);  }
  60%  { transform: translate(-1%, 2%);  }
  80%  { transform: translate(3%, -1%);  }
  100% { transform: translate(-2%, 3%);  }
}


/* ================================================
   CUSTOM CURSOR (desktop only)
   ================================================ */
@media (pointer: fine) {
  body { cursor: none; }

  .cursor {
    position: fixed;
    top: 0; left: 0;
    width: 10px;
    height: 10px;
    pointer-events: none;
    z-index: 9999;
    transform: translate(-50%, -50%);
    transition: width 0.2s var(--ease), height 0.2s var(--ease);
  }

  .cursor-inner {
    width: 100%;
    height: 100%;
    background: var(--accent);
    border-radius: 50%;
    transition: transform 0.15s var(--ease-spring), background 0.2s;
  }

  .cursor-follower {
    position: fixed;
    top: 0; left: 0;
    width: 36px;
    height: 36px;
    border: 1.5px solid rgba(0, 255, 127, 0.4);
    border-radius: 50%;
    pointer-events: none;
    z-index: 9998;
    transform: translate(-50%, -50%);
    transition: transform 0.12s var(--ease), width 0.3s var(--ease-spring), height 0.3s var(--ease-spring), opacity 0.3s;
  }

  .cursor.hovering .cursor-inner {
    transform: scale(0);
  }

  .cursor.hovering ~ .cursor-follower {
    width: 56px;
    height: 56px;
    border-color: var(--accent);
    background: var(--accent-dim);
  }
}


/* ================================================
   PAGE LOADER
   ================================================ */
.loader {
  position: fixed;
  inset: 0;
  background: var(--bg-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 9990;
  transition: opacity 0.6s var(--ease), visibility 0.6s var(--ease);
}

.loader.hidden {
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
}

.loader-inner {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 24px;
}

.loader-logo {
  font-family: var(--font-display);
  font-size: 48px;
  font-weight: 800;
  color: var(--text-primary);
  letter-spacing: -2px;
}

.loader-bar {
  width: 160px;
  height: 2px;
  background: var(--border-strong);
  border-radius: var(--r-full);
  overflow: hidden;
}

.loader-fill {
  height: 100%;
  background: var(--accent);
  border-radius: var(--r-full);
  animation: loaderFill 1.2s var(--ease) forwards;
}

@keyframes loaderFill {
  from { width: 0; }
  to   { width: 100%; }
}


/* ================================================
   NAVIGATION
   ================================================ */
.nav-header {
  position: fixed;
  top: 0; left: 0; right: 0;
  height: var(--nav-height);
  z-index: 900;
  transition: background 0.3s var(--ease), box-shadow 0.3s var(--ease);
}

.nav-header.scrolled {
  background: var(--nav-bg);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  box-shadow: 0 1px 0 var(--border);
}

.nav {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 32px;
  height: 100%;
  display: flex;
  align-items: center;
  gap: 40px;
}

/* Logo */
.nav-logo {
  flex-shrink: 0;
  display: flex;
  align-items: center;
}

.logo-text {
  font-family: var(--font-display);
  font-size: 22px;
  font-weight: 800;
  letter-spacing: -1px;
  color: var(--text-primary);
  transition: color 0.2s;
}

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

.nav-logo:hover .logo-text { color: var(--accent); }

/* Nav links */
.nav-links {
  display: flex;
  align-items: center;
  gap: 4px;
  margin-left: auto;
}

.nav-link {
  position: relative;
  padding: 8px 14px;
  font-size: 14px;
  font-weight: 500;
  color: var(--text-secondary);
  border-radius: var(--r-sm);
  transition: color 0.2s, background 0.2s;
  overflow: hidden;
}

.nav-link::after {
  content: attr(data-label);
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 600;
  color: var(--accent);
  transform: translateY(100%);
  transition: transform 0.25s var(--ease-spring);
}

.nav-link > span,
.nav-link {
  display: block;
  transition: transform 0.25s var(--ease-spring);
}

.nav-link:hover {
  background: var(--accent-dim);
  color: var(--accent);
}

.nav-link.active {
  color: var(--accent);
  background: var(--accent-dim);
}

/* Nav right */
.nav-right {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-shrink: 0;
}

/* Theme button */
.theme-btn {
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--r-sm);
  color: var(--text-secondary);
  background: var(--bg-card);
  border: 1px solid var(--border);
  transition: color 0.2s, background 0.2s, border-color 0.2s;
}

.theme-btn:hover {
  color: var(--accent);
  border-color: var(--accent-dim);
}

.icon-moon, .icon-sun { width: 17px; height: 17px; }
[data-theme="dark"]  .icon-sun  { display: none; }
[data-theme="light"] .icon-moon { display: none; }

/* Hire Me button */
.btn-hire {
  padding: 9px 20px;
  font-size: 13px;
  font-weight: 600;
  color: var(--text-inverse);
  background: var(--accent);
  border-radius: var(--r-full);
  transition: transform 0.2s var(--ease-spring), box-shadow 0.2s, opacity 0.2s;
  white-space: nowrap;
}

.btn-hire:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 24px var(--accent-glow);
}

/* Hamburger */
.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  width: 36px;
  height: 36px;
  align-items: center;
  justify-content: center;
  border-radius: var(--r-sm);
  background: var(--bg-card);
  border: 1px solid var(--border);
}

.ham-line {
  display: block;
  width: 18px;
  height: 1.5px;
  background: var(--text-primary);
  border-radius: var(--r-full);
  transition: transform 0.3s var(--ease), opacity 0.3s;
}

.hamburger.open .ham-line:nth-child(1) { transform: translateY(6.5px) rotate(45deg); }
.hamburger.open .ham-line:nth-child(2) { opacity: 0; transform: scaleX(0); }
.hamburger.open .ham-line:nth-child(3) { transform: translateY(-6.5px) rotate(-45deg); }

/* Mobile nav */
.mobile-nav {
  position: fixed;
  inset: var(--nav-height) 0 0;
  background: var(--bg-primary);
  padding: 48px 32px;
  display: flex;
  flex-direction: column;
  gap: 40px;
  transform: translateX(100%);
  transition: transform 0.4s var(--ease-spring);
  z-index: 800;
  border-top: 1px solid var(--border);
}

.mobile-nav.open {
  transform: translateX(0);
}

.mobile-links {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.mobile-link {
  display: block;
  padding: 16px 20px;
  font-family: var(--font-display);
  font-size: 28px;
  font-weight: 700;
  color: var(--text-secondary);
  border-radius: var(--r-md);
  transition: color 0.2s, background 0.2s;
}

.mobile-link:hover {
  color: var(--accent);
  background: var(--accent-dim);
}

.mobile-email {
  font-size: 13px;
  font-family: var(--font-mono);
  color: var(--text-muted);
  margin-top: auto;
}

/* ================================================
   SHARED LAYOUT
   ================================================ */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 32px;
}

.section {
  padding: 120px 0;
  position: relative;
}

/* Section tag (01 / About Me etc.) */
.section-tag {
  display: flex;
  align-items: center;
  gap: 14px;
  margin-bottom: 40px;
  font-size: 12px;
  font-weight: 600;
  font-family: var(--font-mono);
  color: var(--text-muted);
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.tag-num {
  color: var(--accent);
  font-size: 11px;
}

.tag-line {
  width: 40px;
  height: 1px;
  background: var(--border-strong);
}

/* Section headings */
.section-heading {
  font-family: var(--font-display);
  font-size: clamp(36px, 4.5vw, 60px);
  font-weight: 800;
  line-height: 1.1;
  letter-spacing: -2px;
  color: var(--text-primary);
  margin-bottom: 20px;
}

.section-sub {
  font-size: 16px;
  color: var(--text-secondary);
  max-width: 420px;
  line-height: 1.7;
}

.text-accent {
  color: var(--accent);
  font-style: normal;
}


/* ================================================
   BUTTONS (shared)
   ================================================ */
.btn-primary {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 14px 28px;
  font-size: 15px;
  font-weight: 600;
  color: var(--text-inverse);
  background: var(--accent);
  border-radius: var(--r-full);
  transition: transform 0.25s var(--ease-spring), box-shadow 0.25s, opacity 0.2s;
  white-space: nowrap;
  position: relative;
  overflow: hidden;
}

.btn-primary::before {
  content: '';
  position: absolute;
  inset: 0;
  background: rgba(255,255,255,0.15);
  opacity: 0;
  transition: opacity 0.2s;
}

.btn-primary:hover {
  transform: translateY(-3px);
  box-shadow: 0 12px 32px var(--accent-glow);
}

.btn-primary:hover::before { opacity: 1; }
.btn-primary:active { transform: translateY(-1px); }

.btn-outline {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 13px 26px;
  font-size: 15px;
  font-weight: 600;
  color: var(--text-primary);
  background: transparent;
  border: 1.5px solid var(--border-strong);
  border-radius: var(--r-full);
  transition: transform 0.25s var(--ease-spring), border-color 0.2s, color 0.2s, background 0.2s;
  white-space: nowrap;
}

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

.btn-ghost {
  font-size: 14px;
  font-weight: 600;
  color: var(--text-secondary);
  transition: color 0.2s;
}

.btn-ghost:hover { color: var(--accent); }


/* ================================================
   SCROLL REVEAL ANIMATIONS
   ================================================ */
[data-aos] {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity 0.7s var(--ease-out), transform 0.7s var(--ease-out);
}

[data-aos].aos-animate {
  opacity: 1;
  transform: translateY(0);
}

[data-aos-delay="100"] { transition-delay: 0.1s; }
[data-aos-delay="150"] { transition-delay: 0.15s; }
[data-aos-delay="180"] { transition-delay: 0.18s; }
[data-aos-delay="200"] { transition-delay: 0.2s; }
[data-aos-delay="250"] { transition-delay: 0.25s; }
[data-aos-delay="260"] { transition-delay: 0.26s; }
[data-aos-delay="300"] { transition-delay: 0.3s; }
[data-aos-delay="340"] { transition-delay: 0.34s; }
[data-aos-delay="350"] { transition-delay: 0.35s; }
[data-aos-delay="400"] { transition-delay: 0.4s; }
[data-aos-delay="500"] { transition-delay: 0.5s; }
[data-aos-delay="600"] { transition-delay: 0.6s; }


/* ================================================
   HERO SECTION
   ================================================ */
.hero {
  min-height: 100dvh;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  overflow: hidden;
  padding-top: var(--nav-height);
}

/* Animated mesh background */
.hero-mesh {
  position: absolute;
  inset: 0;
  pointer-events: none;
}

.mesh-orb {
  position: absolute;
  border-radius: 50%;
  filter: blur(80px);
  opacity: 0.18;
  animation: orbFloat 12s ease-in-out infinite;
}

.orb-a {
  width: 600px;
  height: 600px;
  background: var(--accent);
  top: -200px;
  right: -100px;
  animation-duration: 14s;
}

.orb-b {
  width: 400px;
  height: 400px;
  background: var(--accent-amber);
  bottom: -100px;
  left: -100px;
  animation-duration: 18s;
  animation-delay: -6s;
}

.orb-c {
  width: 300px;
  height: 300px;
  background: var(--accent-violet);
  top: 50%;
  left: 35%;
  animation-duration: 10s;
  animation-delay: -3s;
  opacity: 0.1;
}

@keyframes orbFloat {
  0%, 100% { transform: translate(0, 0) scale(1); }
  33%       { transform: translate(30px, -40px) scale(1.05); }
  66%       { transform: translate(-20px, 20px) scale(0.97); }
}

/* Grid lines */
.hero-grid-lines {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(var(--border) 1px, transparent 1px),
    linear-gradient(90deg, var(--border) 1px, transparent 1px);
  background-size: 64px 64px;
  opacity: 0.4;
  mask-image: radial-gradient(ellipse 80% 80% at 50% 50%, black 30%, transparent 80%);
}

/* Floating code decoration */
.hero-code {
  position: absolute;
  right: 6%;
  top: 50%;
  transform: translateY(-50%);
  display: flex;
  flex-direction: column;
  gap: 6px;
  opacity: 0.18;
  pointer-events: none;
}

.code-line {
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--accent);
  animation: codeFlicker 4s ease-in-out infinite;
}

.code-line:nth-child(2) { animation-delay: 0.5s; opacity: 0.8; }
.code-line:nth-child(3) { animation-delay: 1s;   opacity: 0.6; }

@keyframes codeFlicker {
  0%, 100% { opacity: 1; }
  50%       { opacity: 0.5; }
}

/* Hero content */
.hero-content {
  position: relative;
  z-index: 2;
  max-width: 720px;
  padding: 0 32px;
}

/* Status pill */
.hero-status {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 8px 16px;
  background: var(--bg-card);
  border: 1px solid var(--border-strong);
  border-radius: var(--r-full);
  font-size: 13px;
  font-weight: 500;
  color: var(--text-secondary);
  margin-bottom: 32px;
}

.status-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--accent);
  animation: statusPulse 2s ease-in-out infinite;
  flex-shrink: 0;
}

@keyframes statusPulse {
  0%, 100% { box-shadow: 0 0 0 0 var(--accent-glow); }
  50%       { box-shadow: 0 0 0 6px transparent; }
}

/* Hero heading */
.hero-heading {
  margin-bottom: 24px;
}

.hero-hello {
  font-size: 18px;
  font-weight: 500;
  color: var(--text-secondary);
  margin-bottom: 8px;
}

.hero-name {
  font-family: var(--font-display);
  font-size: clamp(56px, 8vw, 100px);
  font-weight: 800;
  line-height: 1.0;
  letter-spacing: -4px;
  margin-bottom: 16px;
}

.name-part {
  display: block;
}

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

.hero-role {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 10px;
  font-size: clamp(16px, 2.5vw, 22px);
  font-weight: 500;
  color: var(--text-secondary);
  margin-bottom: 8px;
}

.role-tag {
  color: var(--text-primary);
  font-weight: 600;
}

.role-sep {
  color: var(--accent);
  font-weight: 700;
}

.hero-location {
  font-size: 15px;
  color: var(--text-muted);
  font-weight: 500;
  margin-bottom: 12px;
}

/* Hero sub text */
.hero-sub {
  font-size: clamp(15px, 1.8vw, 17px);
  color: var(--text-secondary);
  line-height: 1.7;
  max-width: 540px;
  margin-bottom: 40px;
}

.br-desktop { display: block; }

/* CTA row */
.hero-ctas {
  display: flex;
  align-items: center;
  gap: 14px;
  flex-wrap: wrap;
  margin-bottom: 56px;
}

/* Stats bar */
.hero-stats {
  display: flex;
  align-items: center;
  gap: 32px;
  padding: 20px 28px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--r-lg);
  width: fit-content;
}

.stat {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 2px;
}

.stat-num {
  font-family: var(--font-display);
  font-size: 32px;
  font-weight: 800;
  color: var(--text-primary);
  line-height: 1;
  letter-spacing: -1px;
}

.stat-plus {
  font-size: 20px;
  font-weight: 700;
  color: var(--accent);
  line-height: 1;
}

.stat-label {
  font-size: 11px;
  font-weight: 600;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  white-space: nowrap;
}

.stat-divider {
  width: 1px;
  height: 36px;
  background: var(--border-strong);
}

/* Scroll indicator */
.scroll-indicator {
  position: absolute;
  bottom: 36px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  font-size: 10px;
  font-family: var(--font-mono);
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--text-muted);
  z-index: 2;
}

.scroll-track {
  width: 1.5px;
  height: 40px;
  background: var(--border-strong);
  border-radius: var(--r-full);
  overflow: hidden;
}

.scroll-thumb {
  width: 100%;
  height: 50%;
  background: var(--accent);
  border-radius: var(--r-full);
  animation: scrollThumb 2s ease-in-out infinite;
}

@keyframes scrollThumb {
  0%   { transform: translateY(-100%); }
  100% { transform: translateY(200%); }
}


/* ================================================
   ABOUT SECTION
   ================================================ */
.about {
  background: var(--bg-secondary);
}

.about-layout {
  display: grid;
  grid-template-columns: 380px 1fr;
  gap: 80px;
  align-items: start;
}

/* Visual */
.about-visual {
  position: relative;
  padding: 20px;
}

.avatar-card {
  position: relative;
  width: 280px;
  height: 280px;
  margin: 20px auto;
}

.avatar-bg {
  position: absolute;
  inset: 0;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--accent-dim), rgba(255,190,92,0.1));
}

.avatar-initials {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-display);
  font-size: 72px;
  font-weight: 800;
  color: var(--text-primary);
  z-index: 2;
}

.avatar-ring {
  position: absolute;
  inset: -16px;
  border: 1px solid var(--border-strong);
  border-radius: 50%;
  animation: ringRotate 20s linear infinite;
}

.ring-2 {
  inset: -32px;
  border-color: var(--border);
  animation-duration: 30s;
  animation-direction: reverse;
}

@keyframes ringRotate {
  to { transform: rotate(360deg); }
}

/* Small decorative dot on ring */
.avatar-ring::after {
  content: '';
  position: absolute;
  top: 50%;
  right: -5px;
  width: 8px;
  height: 8px;
  background: var(--accent);
  border-radius: 50%;
  transform: translateY(-50%);
  box-shadow: 0 0 12px var(--accent);
}

.location-chip {
  position: absolute;
  bottom: -12px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 7px 14px;
  background: var(--bg-card);
  border: 1px solid var(--border-strong);
  border-radius: var(--r-full);
  font-size: 12px;
  font-weight: 600;
  color: var(--text-secondary);
  white-space: nowrap;
  z-index: 3;
  box-shadow: var(--shadow-md);
}

/* Floating tech pills */
.tech-float {
  position: absolute;
  padding: 8px 14px;
  background: var(--bg-card);
  border: 1px solid var(--border-strong);
  border-radius: var(--r-full);
  font-size: 12px;
  font-weight: 600;
  font-family: var(--font-mono);
  color: var(--text-secondary);
  box-shadow: var(--shadow-sm);
  animation: pillFloat 4s ease-in-out infinite;
  white-space: nowrap;
}

.float-1 { top: 0;     left: -30px; animation-delay: 0s; }
.float-2 { top: 50%;   right: -20px; animation-delay: -1.5s; }
.float-3 { bottom: 10px; left: 0px; animation-delay: -3s; }

@keyframes pillFloat {
  0%, 100% { transform: translateY(0); }
  50%       { transform: translateY(-8px); }
}

/* Experience badge */
.exp-badge {
  margin-top: 60px;
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 14px 18px;
  background: var(--bg-card);
  border: 1px solid var(--border-strong);
  border-radius: var(--r-md);
  box-shadow: var(--shadow-sm);
}

.exp-icon { font-size: 28px; }

.exp-badge strong {
  display: block;
  font-size: 14px;
  font-weight: 700;
  color: var(--text-primary);
}

.exp-badge span {
  font-size: 12px;
  color: var(--text-muted);
}

/* Text column */
.about-body {
  display: flex;
  flex-direction: column;
  gap: 16px;
  margin-bottom: 32px;
}

.about-body p {
  font-size: 16px;
  color: var(--text-secondary);
  line-height: 1.8;
}

.about-body strong { color: var(--text-primary); font-weight: 600; }
.about-body em     { color: var(--accent); font-style: normal; }

/* Traits */
.traits {
  display: flex;
  flex-direction: column;
  gap: 12px;
  margin-bottom: 36px;
}

.trait {
  display: flex;
  align-items: flex-start;
  gap: 14px;
  padding: 14px 16px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--r-md);
  transition: border-color 0.2s, background 0.2s;
}

.trait:hover {
  border-color: var(--accent-dim);
  background: var(--bg-card-hover);
}

.trait-icon { font-size: 22px; flex-shrink: 0; line-height: 1; }

.trait-info {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.trait-info strong {
  font-size: 14px;
  font-weight: 700;
  color: var(--text-primary);
}

.trait-info span {
  font-size: 13px;
  color: var(--text-muted);
}

.about-ctas {
  display: flex;
  align-items: center;
  gap: 16px;
  flex-wrap: wrap;
}


/* ================================================
   SKILLS SECTION
   ================================================ */
.skills-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  gap: 32px;
  margin-bottom: 56px;
  flex-wrap: wrap;
}

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

/* Skill card */
.skill-card {
  padding: 28px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--r-xl);
  transition: border-color 0.25s, transform 0.3s var(--ease-spring), box-shadow 0.25s;
}

.skill-card:hover {
  border-color: var(--border-strong);
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
}

.skill-card-header {
  display: flex;
  align-items: center;
  gap: 14px;
  margin-bottom: 24px;
  padding-bottom: 20px;
  border-bottom: 1px solid var(--border);
}

.skill-icon-wrap {
  width: 44px;
  height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--r-md);
  background: rgba(var(--skill-color), 0.1);
  border: 1px solid color-mix(in srgb, var(--skill-color) 20%, transparent);
  color: var(--skill-color);
  flex-shrink: 0;
}

.skill-icon-wrap svg { width: 22px; height: 22px; color: var(--skill-color); }

.skill-cat-name {
  font-size: 16px;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 2px;
}

.skill-cat-sub {
  font-size: 12px;
  color: var(--text-muted);
}

.skill-list {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.skill-item {
  display: flex;
  align-items: center;
  gap: 12px;
}

.skill-emoji {
  font-size: 18px;
  flex-shrink: 0;
  width: 24px;
  text-align: center;
}

.skill-detail { flex: 1; }

.skill-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 6px;
}

.skill-name {
  font-size: 13px;
  font-weight: 600;
  color: var(--text-primary);
}

.skill-pct {
  font-size: 11px;
  font-family: var(--font-mono);
  color: var(--text-muted);
}

.skill-bar {
  height: 4px;
  background: var(--border-strong);
  border-radius: var(--r-full);
  overflow: hidden;
}

.skill-fill {
  height: 100%;
  width: 0;
  background: linear-gradient(90deg, var(--accent), var(--accent-amber));
  border-radius: var(--r-full);
  transition: width 1.2s var(--ease-out);
}

.skill-fill.animated { width: var(--pct); }


/* ================================================
   PROJECTS SECTION
   ================================================ */
.projects {
  background: var(--bg-secondary);
}

.projects-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  gap: 24px;
  margin-bottom: 56px;
  flex-wrap: wrap;
}

.projects-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  grid-template-rows: auto auto;
  gap: 20px;
}

/* The wide project spans the full row */
.project-card--wide {
  grid-column: 1 / -1;
}

/* Project card */
.project-card {
  position: relative;
  padding: 28px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--r-xl);
  display: flex;
  flex-direction: column;
  gap: 20px;
  overflow: hidden;
  transition: border-color 0.3s, transform 0.35s var(--ease-spring), box-shadow 0.3s;
  cursor: default;
}

.project-card:hover {
  border-color: var(--border-strong);
  transform: translateY(-6px);
  box-shadow: var(--shadow-lg);
}

/* Glowing accent on hover, colour taken from data-accent */
.project-glow {
  position: absolute;
  bottom: -60px;
  left: 50%;
  transform: translateX(-50%);
  width: 200px;
  height: 100px;
  border-radius: 50%;
  background: var(--p-glow, rgba(0, 255, 127, 0.12));
  filter: blur(40px);
  opacity: 0;
  transition: opacity 0.4s, transform 0.4s;
  pointer-events: none;
}

.project-card:hover .project-glow {
  opacity: 1;
  transform: translateX(-50%) translateY(-10px);
}

.project-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.project-emoji-wrap {
  width: 48px;
  height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--r-md);
  background: var(--p-color, rgba(0,255,127,0.1));
  font-size: 24px;
  flex-shrink: 0;
}

.project-gh-btn {
  width: 36px;
  height: 36px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--r-sm);
  background: var(--bg-secondary);
  border: 1px solid var(--border);
  color: var(--text-muted);
  transition: color 0.2s, border-color 0.2s, background 0.2s;
}

.project-gh-btn:hover {
  color: var(--text-primary);
  border-color: var(--border-strong);
  background: var(--bg-card-hover);
}

.featured-label {
  font-size: 11px;
  font-weight: 700;
  font-family: var(--font-mono);
  color: var(--accent);
  background: var(--accent-dim);
  padding: 4px 12px;
  border-radius: var(--r-full);
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.project-body {
  flex: 1;
}

.project-title {
  font-family: var(--font-display);
  font-size: 22px;
  font-weight: 700;
  color: var(--text-primary);
  line-height: 1.2;
  margin-bottom: 12px;
  letter-spacing: -0.5px;
}

.project-desc {
  font-size: 14px;
  color: var(--text-secondary);
  line-height: 1.7;
}

.project-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  flex-wrap: wrap;
  padding-top: 16px;
  border-top: 1px solid var(--border);
}

.project-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}

.tag {
  padding: 4px 10px;
  font-size: 11px;
  font-weight: 600;
  font-family: var(--font-mono);
  color: var(--text-muted);
  background: var(--bg-secondary);
  border: 1px solid var(--border);
  border-radius: var(--r-full);
}

.project-cta {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 13px;
  font-weight: 600;
  color: var(--accent);
  white-space: nowrap;
  transition: gap 0.2s var(--ease-spring), opacity 0.2s;
}

.project-cta:hover { gap: 10px; }

/* Wide card inner layout */
.wide-inner {
  display: grid;
  grid-template-columns: 1fr 280px;
  gap: 40px;
  align-items: center;
}

.wide-right {
  display: flex;
  align-items: center;
  justify-content: center;
}

/* Drone animation */
.drone-visual {
  position: relative;
  width: 160px;
  height: 160px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.drone-icon {
  font-size: 64px;
  animation: droneHover 3s ease-in-out infinite;
  z-index: 2;
  position: relative;
}

@keyframes droneHover {
  0%, 100% { transform: translateY(0) rotate(-5deg); }
  50%       { transform: translateY(-12px) rotate(5deg); }
}

.drone-signal {
  position: absolute;
  border-radius: 50%;
  border: 1.5px solid var(--accent);
  opacity: 0;
  animation: droneSignal 2.5s ease-out infinite;
}

.s1 { width: 60px;  height: 60px;  animation-delay: 0s;   }
.s2 { width: 100px; height: 100px; animation-delay: 0.7s; }
.s3 { width: 140px; height: 140px; animation-delay: 1.4s; }

@keyframes droneSignal {
  0%   { transform: scale(0.4); opacity: 0.7; }
  100% { transform: scale(1.2); opacity: 0; }
}


/* ================================================
   ACHIEVEMENTS SECTION
   ================================================ */
.ach-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 20px;
  margin-top: 48px;
}

.ach-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--r-xl);
  overflow: hidden;
  transition: border-color 0.25s, transform 0.3s var(--ease-spring), box-shadow 0.25s;
}

.ach-card:hover {
  border-color: var(--border-strong);
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
}

.ach-card-inner {
  padding: 28px;
}

.ach-card--hero {
  border-color: rgba(0, 255, 127, 0.2);
  background: linear-gradient(135deg, var(--bg-card), rgba(0, 255, 127, 0.03));
  position: relative;
}

.ach-accent-bar {
  height: 3px;
  background: linear-gradient(90deg, var(--accent), var(--accent-amber));
}

.ach-year-badge {
  display: inline-block;
  padding: 4px 12px;
  background: var(--accent-dim);
  color: var(--accent);
  border-radius: var(--r-full);
  font-size: 11px;
  font-weight: 700;
  font-family: var(--font-mono);
  margin-bottom: 16px;
  letter-spacing: 0.08em;
}

.ach-icon-big {
  font-size: 40px;
  margin-bottom: 16px;
  display: block;
}

.ach-title {
  font-family: var(--font-display);
  font-size: 22px;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 12px;
  letter-spacing: -0.5px;
}

.ach-desc {
  font-size: 14px;
  color: var(--text-secondary);
  line-height: 1.7;
  margin-bottom: 18px;
}

.ach-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}

.ach-tag {
  padding: 4px 10px;
  font-size: 11px;
  font-weight: 600;
  color: var(--accent);
  background: var(--accent-dim);
  border-radius: var(--r-full);
}

/* Quote card */
.ach-card--quote {
  background: var(--bg-secondary);
}

.quote-symbol {
  font-family: var(--font-display);
  font-size: 80px;
  line-height: 0.8;
  color: var(--accent);
  opacity: 0.3;
  margin-bottom: 12px;
}

.ach-card--quote blockquote {
  font-family: var(--font-display);
  font-size: 20px;
  font-weight: 600;
  color: var(--text-primary);
  line-height: 1.5;
  letter-spacing: -0.5px;
  margin-bottom: 16px;
}

.ach-card--quote cite {
  font-size: 13px;
  font-style: normal;
  color: var(--accent);
  font-weight: 500;
}


/* ================================================
   CONTACT SECTION
   ================================================ */
.contact {
  background: var(--bg-secondary);
  overflow: hidden;
}

.contact-orb {
  position: absolute;
  border-radius: 50%;
  filter: blur(100px);
  pointer-events: none;
  opacity: 0.12;
}

.c-orb-a {
  width: 500px;
  height: 500px;
  background: var(--accent);
  top: -200px;
  left: -200px;
}

.c-orb-b {
  width: 400px;
  height: 400px;
  background: var(--accent-amber);
  bottom: -200px;
  right: -100px;
}

.contact-layout {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: start;
  position: relative;
  z-index: 2;
}

.contact-sub {
  font-size: 16px;
  color: var(--text-secondary);
  line-height: 1.7;
  margin-bottom: 40px;
  max-width: 360px;
}

/* Channels */
.contact-channels {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.channel-link {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 16px 18px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--r-md);
  transition: border-color 0.2s, transform 0.25s var(--ease-spring), background 0.2s;
}

.channel-link:not(.channel-link--static):hover {
  border-color: var(--accent-dim);
  background: var(--bg-card-hover);
  transform: translateX(4px);
}

.channel-icon {
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--accent-dim);
  border-radius: var(--r-sm);
  color: var(--accent);
  flex-shrink: 0;
}

.channel-icon svg { width: 18px; height: 18px; }

.channel-text {
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.channel-label {
  font-size: 11px;
  font-weight: 600;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.channel-value {
  font-size: 14px;
  font-weight: 600;
  color: var(--text-primary);
}

.channel-arrow {
  color: var(--text-muted);
  flex-shrink: 0;
  transition: transform 0.2s, color 0.2s;
}

.channel-link:hover .channel-arrow {
  transform: translateX(4px);
  color: var(--accent);
}

/* Contact form */
.contact-form {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.form-group label {
  font-size: 13px;
  font-weight: 600;
  color: var(--text-secondary);
}

.form-group input,
.form-group textarea {
  width: 100%;
  padding: 13px 16px;
  background: var(--bg-input);
  border: 1.5px solid var(--border);
  border-radius: var(--r-md);
  font-family: var(--font-body);
  font-size: 14px;
  font-weight: 400;
  color: var(--text-primary);
  outline: none;
  transition: border-color 0.2s, background 0.2s, box-shadow 0.2s;
  resize: vertical;
  -webkit-appearance: none;
}

.form-group input::placeholder,
.form-group textarea::placeholder {
  color: var(--text-muted);
}

.form-group input:focus,
.form-group textarea:focus {
  border-color: var(--accent);
  background: var(--bg-card);
  box-shadow: 0 0 0 4px var(--accent-dim);
}

.form-group input.error,
.form-group textarea.error {
  border-color: #ff4d4d;
}

.form-error {
  font-size: 12px;
  color: #ff4d4d;
  min-height: 16px;
}

.form-btn {
  align-self: flex-start;
  margin-top: 4px;
  font-size: 15px;
}

.form-feedback {
  font-size: 14px;
  font-weight: 500;
  min-height: 22px;
  padding: 2px 0;
}

.form-feedback.success { color: var(--accent); }
.form-feedback.error   { color: #ff4d4d; }


/* ================================================
   FOOTER
   ================================================ */
.footer {
  padding: 32px 0;
  border-top: 1px solid var(--border);
}

.footer-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  flex-wrap: wrap;
}

.footer-logo {
  font-family: var(--font-display);
  font-size: 20px;
  font-weight: 800;
  letter-spacing: -1px;
  color: var(--text-primary);
  transition: color 0.2s;
}

.footer-logo:hover { color: var(--accent); }

.footer-copy {
  font-size: 13px;
  color: var(--text-muted);
}

.footer-copy strong { color: var(--text-secondary); }

.footer-social {
  display: flex;
  gap: 10px;
}

.footer-social a {
  width: 36px;
  height: 36px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--r-sm);
  color: var(--text-muted);
  background: var(--bg-card);
  border: 1px solid var(--border);
  transition: color 0.2s, border-color 0.2s, background 0.2s;
}

.footer-social a:hover {
  color: var(--accent);
  border-color: var(--accent-dim);
  background: var(--bg-card-hover);
}


/* ================================================
   RESPONSIVE — TABLET (max 1024px)
   ================================================ */
@media (max-width: 1024px) {
  .about-layout {
    grid-template-columns: 1fr;
    gap: 60px;
  }

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

  .skills-grid {
    grid-template-columns: 1fr 1fr;
  }

  .projects-grid {
    grid-template-columns: 1fr 1fr;
  }

  .project-card--wide {
    grid-column: 1 / -1;
  }

  .wide-inner {
    grid-template-columns: 1fr;
  }

  .wide-right { display: none; }

  .ach-grid {
    grid-template-columns: 1fr 1fr;
  }

  .contact-layout {
    grid-template-columns: 1fr;
    gap: 56px;
  }
}


/* ================================================
   RESPONSIVE — MOBILE (max 768px)
   ================================================ */
@media (max-width: 768px) {

  :root { --nav-height: 64px; }

  .container { padding: 0 20px; }
  .section   { padding: 80px 0; }

  /* Nav */
  .nav { padding: 0 20px; gap: 16px; }
  .nav-links { display: none; }
  .hamburger { display: flex; }
  .btn-hire  { display: none; }

  /* Hero */
  .hero-code       { display: none; }
  .hero-content    { padding: 0 20px; }
  .hero-name       { letter-spacing: -2px; }
  .hero-ctas       { gap: 10px; }
  .hero-stats      { gap: 20px; padding: 16px 20px; }
  .stat-num        { font-size: 26px; }
  .br-desktop      { display: none; }
  .scroll-indicator { display: none; }

  /* About */
  .avatar-card { width: 220px; height: 220px; }
  .avatar-initials { font-size: 56px; }
  .tech-float { display: none; }

  /* Skills */
  .skills-grid  { grid-template-columns: 1fr; }
  .skills-header { flex-direction: column; align-items: flex-start; }

  /* Projects */
  .projects-grid {
    grid-template-columns: 1fr;
  }
  .project-card--wide { grid-column: 1; }
  .projects-header { flex-direction: column; align-items: flex-start; }

  /* Achievements */
  .ach-grid { grid-template-columns: 1fr; }

  /* Contact */
  .contact-layout { grid-template-columns: 1fr; gap: 40px; }
  .form-row { grid-template-columns: 1fr; }

  /* Footer */
  .footer-inner {
    flex-direction: column;
    text-align: center;
    gap: 16px;
  }

  /* Section heading */
  .section-heading { letter-spacing: -1px; }
}

/* ================================================
   RESPONSIVE — SMALL (max 480px)
   ================================================ */
@media (max-width: 480px) {
  .hero-stats { flex-direction: column; width: 100%; }
  .stat-divider { width: 100%; height: 1px; }
  .btn-primary, .btn-outline { width: 100%; justify-content: center; }
  .hero-ctas { flex-direction: column; }
  .about-ctas { flex-direction: column; }
}

/* ================================================
   PRINT STYLES
   ================================================ */
@media print {
  .grain, .loader, .cursor, .cursor-follower,
  .nav-header, .hero-mesh, .hero-grid-lines,
  .scroll-indicator, .contact-orb { display: none !important; }
  body { background: white; color: black; }
}