/* ════════════════════════════════════════════════════
   MECH.DEV PORTFOLIO — SHARED STYLESHEET
   Aryan Sharma | CAD · CAE · CFD · Flutter
   ════════════════════════════════════════════════════ */

@import url('https://fonts.googleapis.com/css2?family=Rajdhani:wght@300;400;500;600;700&family=Share+Tech+Mono&family=Orbitron:wght@400;500;600;700;800;900&display=swap');

/* ── RESET ── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; cursor: none !important; }

/* ── CSS VARIABLES ── */
:root {
  --bg:      #0A0A0C;
  --bg2:     #0F0F12;
  --bg3:     #141418;
  --bg4:     #1A1A20;
  --orange:  #FF6B00;
  --orange2: #FF8C33;
  --orange3: #FF4400;
  --steel:   #8A9BB5;
  --steel2:  #5A6B85;
  --text:    #E8EAF0;
  --text2:   #9AA3B5;
  --text3:   #5A6375;
  --border:  rgba(255,107,0,0.15);
  --border2: rgba(255,107,0,0.35);
  --glow:    0 0 24px rgba(255,107,0,0.3);
  --glow2:   0 0 48px rgba(255,107,0,0.2);
  --font-main:    'Rajdhani', sans-serif;
  --font-mono:    'Share Tech Mono', monospace;
  --font-display: 'Orbitron', sans-serif;
  --nav-h: 64px;
  --section-pad: 100px 80px;
  --radius: 2px;
}

/* ── BASE ── */
html { scroll-behavior: smooth; }
body {
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-main);
  font-size: 16px;
  line-height: 1.6;
  overflow-x: hidden;
}

/* ── BLUEPRINT GRID ── */
body::before {
  content: '';
  position: fixed; inset: 0;
  background-image:
    linear-gradient(rgba(255,107,0,0.025) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,107,0,0.025) 1px, transparent 1px);
  background-size: 40px 40px;
  pointer-events: none; z-index: 0;
}

/* ── SCANLINE ── */
#scanline {
  position: fixed; inset: 0; pointer-events: none; z-index: 9000;
  background: repeating-linear-gradient(
    to bottom,
    transparent 0px, transparent 3px,
    rgba(0,0,0,0.04) 3px, rgba(0,0,0,0.04) 4px
  );
  opacity: 0.5;
}

/* ════════════════ CUSTOM CURSOR ════════════════ */
#cursor-outer {
  position: fixed; width: 36px; height: 36px;
  border: 1.5px solid var(--orange); border-radius: 50%;
  pointer-events: none; z-index: 99999;
  transform: translate(-50%, -50%);
  transition: width 0.2s, height 0.2s, opacity 0.2s, border-color 0.2s;
  animation: spin-cursor 4s linear infinite;
}
#cursor-outer::before, #cursor-outer::after {
  content: ''; position: absolute; background: var(--orange);
}
#cursor-outer::before { width: 6px; height: 1.5px; top: 50%; left: -8px; transform: translateY(-50%); }
#cursor-outer::after  { width: 1.5px; height: 6px; top: -8px; left: 50%; transform: translateX(-50%); }
#cursor-inner {
  position: fixed; width: 6px; height: 6px;
  background: var(--orange); border-radius: 50%;
  pointer-events: none; z-index: 99999;
  transform: translate(-50%, -50%);
}
#cursor-gear {
  position: fixed; width: 36px; height: 36px;
  pointer-events: none; z-index: 99998;
  transform: translate(-50%, -50%);
  animation: spin-cursor 6s linear infinite reverse;
  opacity: 0.25;
}
@keyframes spin-cursor { to { transform: translate(-50%, -50%) rotate(360deg); } }

/* ════════════════ LOADING SCREEN ════════════════ */
#loader {
  position: fixed; inset: 0; background: var(--bg);
  display: flex; flex-direction: column;
  align-items: center; justify-content: center;
  z-index: 99997; transition: opacity 0.8s, visibility 0.8s;
}
#loader.hidden { opacity: 0; visibility: hidden; pointer-events: none; }
.loader-gear { animation: spin-cursor 2s linear infinite; margin-bottom: 32px; }
.loader-text {
  font-family: var(--font-mono); font-size: 13px;
  letter-spacing: 4px; color: var(--orange);
  text-transform: uppercase; margin-bottom: 32px;
}
.loader-bar { width: 240px; height: 2px; background: var(--bg4); overflow: hidden; }
.loader-fill { height: 100%; background: var(--orange); animation: loaderAnim 2s ease forwards; }
@keyframes loaderAnim { from { width: 0; } to { width: 100%; } }

/* ════════════════ NAVIGATION ════════════════ */
nav {
  position: fixed; top: 0; left: 0; right: 0; z-index: 1000;
  background: rgba(10,10,12,0.92);
  backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--border);
  padding: 0 40px;
  display: flex; align-items: center; justify-content: space-between;
  height: var(--nav-h);
  transition: background 0.3s;
}
nav.scrolled { background: rgba(10,10,12,0.98); }

.nav-logo {
  font-family: var(--font-display);
  font-size: 18px; font-weight: 700;
  color: var(--orange);
  letter-spacing: 2px;
  display: flex; align-items: center; gap: 10px;
  text-decoration: none;
}
.nav-logo-gear { width: 28px; height: 28px; animation: spin-cursor 8s linear infinite; opacity: 0.9; }
.nav-links { display: flex; gap: 28px; list-style: none; }
.nav-links a {
  font-family: var(--font-mono);
  font-size: 11px; font-weight: 400;
  color: var(--steel);
  text-decoration: none;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  transition: color 0.2s;
  position: relative;
  padding-bottom: 2px;
}
.nav-links a::after {
  content: ''; position: absolute;
  bottom: -4px; left: 0; width: 0; height: 1px;
  background: var(--orange);
  transition: width 0.3s;
}
.nav-links a:hover, .nav-links a.active { color: var(--orange); }
.nav-links a:hover::after, .nav-links a.active::after { width: 100%; }

.nav-contact-btn {
  font-family: var(--font-mono);
  font-size: 11px; letter-spacing: 2px;
  text-transform: uppercase;
  color: var(--orange);
  border: 1px solid var(--border2);
  padding: 8px 20px;
  background: transparent;
  transition: all 0.3s;
  text-decoration: none;
}
.nav-contact-btn:hover {
  background: var(--orange);
  color: #000;
  box-shadow: var(--glow);
}

/* Hamburger */
.nav-hamburger {
  display: none; flex-direction: column; gap: 5px;
  background: none; border: none; padding: 4px;
}
.nav-hamburger span {
  width: 22px; height: 1.5px; background: var(--orange);
  transition: all 0.3s;
  display: block;
}
.mobile-menu {
  display: none; position: fixed;
  top: var(--nav-h); left: 0; right: 0;
  background: rgba(10,10,12,0.98);
  backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--border);
  z-index: 999;
  flex-direction: column; padding: 24px 40px; gap: 20px;
}
.mobile-menu.open { display: flex; }
.mobile-menu a {
  font-family: var(--font-mono); font-size: 13px;
  letter-spacing: 2px; text-transform: uppercase;
  color: var(--steel); text-decoration: none;
  transition: color 0.2s;
}
.mobile-menu a:hover { color: var(--orange); }

/* ════════════════ SECTIONS ════════════════ */
section { position: relative; z-index: 1; }
.section-wrap { padding: var(--section-pad); }
.section-header { margin-bottom: 72px; }

.section-tag {
  font-family: var(--font-mono); font-size: 11px;
  letter-spacing: 3px; color: var(--orange);
  text-transform: uppercase; margin-bottom: 16px;
  display: flex; align-items: center; gap: 12px;
}
.section-tag::before { content: '◆'; font-size: 8px; }

.section-title {
  font-family: var(--font-display);
  font-size: clamp(28px, 4vw, 48px);
  font-weight: 700; color: var(--text);
  letter-spacing: -0.5px; line-height: 1.1;
}
.section-title span { color: var(--orange); }

.section-line {
  width: 60px; height: 3px;
  background: var(--orange); margin-top: 20px;
  position: relative; overflow: hidden;
}
.section-line::after {
  content: ''; position: absolute;
  top: 0; left: -100%; width: 100%; height: 100%;
  background: rgba(255,255,255,0.4);
  animation: shimmer 2.5s infinite;
}
@keyframes shimmer { to { left: 200%; } }

/* ════════════════ BUTTONS ════════════════ */
.btn-primary {
  font-family: var(--font-mono);
  font-size: 12px; letter-spacing: 2px;
  text-transform: uppercase;
  padding: 14px 32px;
  background: var(--orange);
  color: #000; font-weight: 600;
  border: none;
  text-decoration: none;
  transition: all 0.3s;
  clip-path: polygon(8px 0, 100% 0, calc(100% - 8px) 100%, 0 100%);
  display: inline-block;
}
.btn-primary:hover {
  background: var(--orange2);
  box-shadow: 0 0 32px rgba(255,107,0,0.5);
}
.btn-secondary {
  font-family: var(--font-mono);
  font-size: 12px; letter-spacing: 2px;
  text-transform: uppercase;
  padding: 13px 32px;
  background: transparent;
  color: var(--text);
  border: 1px solid var(--border2);
  text-decoration: none;
  transition: all 0.3s;
  clip-path: polygon(8px 0, 100% 0, calc(100% - 8px) 100%, 0 100%);
  display: inline-block;
}
.btn-secondary:hover { border-color: var(--orange); color: var(--orange); }

/* ════════════════ CORNER DECO ════════════════ */
.corner-deco { position: absolute; width: 20px; height: 20px; pointer-events: none; }
.corner-deco.tl { top: 0; left: 0; border-top: 1px solid var(--orange); border-left: 1px solid var(--orange); }
.corner-deco.tr { top: 0; right: 0; border-top: 1px solid var(--orange); border-right: 1px solid var(--orange); }
.corner-deco.bl { bottom: 0; left: 0; border-bottom: 1px solid var(--orange); border-left: 1px solid var(--orange); }
.corner-deco.br { bottom: 0; right: 0; border-bottom: 1px solid var(--orange); border-right: 1px solid var(--orange); }

/* ════════════════ HERO (index.html) ════════════════ */
#home {
  min-height: 100vh;
  display: flex; align-items: center;
  padding: 80px 80px 40px;
  overflow: hidden;
}
.hero-bg-gear {
  position: absolute; right: -100px; top: 50%;
  transform: translateY(-50%);
  width: 600px; height: 600px;
  opacity: 0.04;
  animation: spin-cursor 40s linear infinite;
}
.hero-bg-gear2 {
  position: absolute; right: 200px; top: 20%;
  width: 200px; height: 200px;
  opacity: 0.06;
  animation: spin-cursor 20s linear infinite reverse;
}
.hero-content { max-width: 780px; }
.hero-tag {
  font-family: var(--font-mono);
  font-size: 11px; letter-spacing: 3px;
  color: var(--orange);
  text-transform: uppercase;
  margin-bottom: 20px;
  display: flex; align-items: center; gap: 10px;
}
.hero-tag::before { content: ''; width: 40px; height: 1px; background: var(--orange); }
.hero-name {
  font-family: var(--font-display);
  font-size: clamp(40px, 6vw, 80px);
  font-weight: 900;
  line-height: 1;
  color: var(--text);
  margin-bottom: 16px;
  letter-spacing: -1px;
}
.hero-name span { color: var(--orange); }
.hero-title {
  font-family: var(--font-display);
  font-size: clamp(13px, 1.6vw, 18px);
  font-weight: 400;
  color: var(--steel);
  letter-spacing: 4px;
  text-transform: uppercase;
  margin-bottom: 32px;
  display: flex; align-items: center; gap: 16px; flex-wrap: wrap;
}
.hero-title .sep { width: 6px; height: 6px; background: var(--orange); transform: rotate(45deg); display: inline-block; }
.hero-desc { font-size: 18px; color: var(--text2); max-width: 560px; margin-bottom: 48px; line-height: 1.8; }
.hero-btns { display: flex; gap: 16px; flex-wrap: wrap; }
.hero-stats { display: flex; gap: 48px; margin-top: 64px; padding-top: 40px; border-top: 1px solid var(--border); }
.stat-num { font-family: var(--font-display); font-size: 36px; font-weight: 800; color: var(--orange); line-height: 1; }
.stat-label { font-family: var(--font-mono); font-size: 11px; letter-spacing: 2px; color: var(--steel2); text-transform: uppercase; margin-top: 4px; }
.scroll-ind {
  position: absolute; bottom: 40px; left: 80px;
  display: flex; align-items: center; gap: 12px;
  font-family: var(--font-mono); font-size: 10px;
  letter-spacing: 2px; color: var(--text3);
  text-transform: uppercase;
  animation: fadeUpDown 2s ease-in-out infinite;
}
.scroll-ind::before { content: ''; width: 1px; height: 40px; background: linear-gradient(to bottom, transparent, var(--orange)); }
@keyframes fadeUpDown {
  0%,100% { transform: translateY(0); opacity: 0.5; }
  50% { transform: translateY(6px); opacity: 1; }
}

/* ════════════════ ABOUT ════════════════ */
.about-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 80px; align-items: start; }
.about-text p { color: var(--text2); font-size: 17px; line-height: 1.9; margin-bottom: 20px; }
.about-specs { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; margin-top: 32px; }
.spec-item {
  border: 1px solid var(--border); padding: 16px; background: var(--bg3);
  position: relative; transition: border-color 0.3s;
}
.spec-item::before { content: ''; position: absolute; top: 0; left: 0; width: 3px; height: 100%; background: var(--orange); }
.spec-item:hover { border-color: var(--border2); }
.spec-label { font-family: var(--font-mono); font-size: 10px; letter-spacing: 2px; color: var(--orange); text-transform: uppercase; margin-bottom: 4px; }
.spec-val { font-size: 15px; color: var(--text); font-weight: 600; }

.skill-group { margin-bottom: 32px; }
.skill-group-title {
  font-family: var(--font-mono); font-size: 11px;
  letter-spacing: 2px; color: var(--steel);
  text-transform: uppercase; margin-bottom: 16px;
  display: flex; align-items: center; gap: 8px;
}
.skill-group-title::after { content: ''; flex: 1; height: 1px; background: var(--border); }
.skill-bar-row { display: flex; align-items: center; gap: 12px; margin-bottom: 10px; }
.skill-name { font-size: 14px; color: var(--text2); min-width: 140px; font-family: var(--font-main); }
.skill-bar { flex: 1; height: 4px; background: var(--bg4); position: relative; overflow: hidden; }
.skill-fill {
  height: 100%; background: linear-gradient(90deg, var(--orange), var(--orange2));
  position: relative; animation: fillBar 1.5s ease forwards;
  transform-origin: left;
}
@keyframes fillBar { from { width: 0 !important; } }
.skill-pct { font-family: var(--font-mono); font-size: 11px; color: var(--orange); min-width: 36px; text-align: right; }

/* ════════════════ EXPERTISE ════════════════ */
.expertise-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.expertise-card {
  background: var(--bg2);
  border: 1px solid var(--border);
  padding: 36px 28px;
  position: relative; overflow: hidden;
  transition: all 0.4s;
}
.expertise-card::before {
  content: ''; position: absolute;
  top: 0; left: 0; right: 0; height: 2px;
  background: linear-gradient(90deg, transparent, var(--orange), transparent);
  transform: scaleX(0);
  transition: transform 0.4s;
}
.expertise-card:hover::before { transform: scaleX(1); }
.expertise-card:hover { border-color: var(--border2); box-shadow: var(--glow); transform: translateY(-4px); }
.exp-icon { width: 52px; height: 52px; margin-bottom: 24px; color: var(--orange); }
.exp-num { font-family: var(--font-display); font-size: 48px; font-weight: 900; color: rgba(255,107,0,0.06); position: absolute; top: 16px; right: 20px; line-height: 1; }
.exp-title { font-family: var(--font-display); font-size: 17px; font-weight: 600; color: var(--text); margin-bottom: 12px; letter-spacing: 0.5px; }
.exp-desc { font-size: 15px; color: var(--text2); line-height: 1.7; }
.exp-tags { display: flex; flex-wrap: wrap; gap: 6px; margin-top: 20px; }
.exp-tag { font-family: var(--font-mono); font-size: 10px; letter-spacing: 1px; color: var(--orange); border: 1px solid var(--border); padding: 3px 10px; text-transform: uppercase; }

/* ════════════════ PROJECTS ════════════════ */
.projects-filter { display: flex; gap: 8px; margin-bottom: 48px; flex-wrap: wrap; }
.filter-btn {
  font-family: var(--font-mono); font-size: 11px;
  letter-spacing: 1.5px; text-transform: uppercase;
  padding: 8px 20px; background: transparent;
  border: 1px solid var(--border); color: var(--steel2);
  transition: all 0.3s;
}
.filter-btn.active, .filter-btn:hover { border-color: var(--orange); color: var(--orange); background: rgba(255,107,0,0.05); }
.projects-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.project-card {
  background: var(--bg3);
  border: 1px solid var(--border);
  overflow: hidden;
  transition: all 0.4s;
}
.project-card:hover { border-color: var(--border2); box-shadow: var(--glow); transform: translateY(-4px); }
.project-visual { position: relative; aspect-ratio: 16/10; overflow: hidden; }
.project-visual svg { width: 100%; height: 100%; }
.project-badge {
  position: absolute; top: 12px; right: 12px;
  font-family: var(--font-mono); font-size: 9px;
  letter-spacing: 2px; text-transform: uppercase;
  color: var(--orange); background: rgba(10,10,12,0.85);
  border: 1px solid var(--border2); padding: 4px 10px;
}
.project-body { padding: 24px; }
.project-title { font-family: var(--font-display); font-size: 16px; font-weight: 600; color: var(--text); margin-bottom: 10px; }
.project-desc { font-size: 14px; color: var(--text2); line-height: 1.7; margin-bottom: 16px; }
.project-tech { display: flex; flex-wrap: wrap; gap: 6px; margin-bottom: 16px; }
.tech-pill { font-family: var(--font-mono); font-size: 9px; letter-spacing: 1px; text-transform: uppercase; color: var(--steel); border: 1px solid var(--border); padding: 3px 8px; }
.project-link { font-family: var(--font-mono); font-size: 11px; letter-spacing: 1.5px; color: var(--orange); text-decoration: none; text-transform: uppercase; transition: opacity 0.2s; }
.project-link:hover { opacity: 0.7; }

/* ════════════════ TOOLS ════════════════ */
.tools-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; }
.tool-card {
  background: var(--bg3);
  border: 1px solid var(--border);
  padding: 24px 20px;
  text-align: center;
  transition: all 0.3s;
  position: relative;
}
.tool-card:hover { border-color: var(--border2); box-shadow: var(--glow); transform: translateY(-2px); }
.tool-icon { font-size: 28px; display: block; margin-bottom: 12px; }
.tool-name { font-family: var(--font-display); font-size: 13px; font-weight: 600; color: var(--text); margin-bottom: 4px; }
.tool-cat { font-family: var(--font-mono); font-size: 10px; letter-spacing: 1.5px; color: var(--steel2); text-transform: uppercase; margin-bottom: 12px; }
.tool-proficiency { display: flex; gap: 4px; justify-content: center; }
.prof-dot { width: 8px; height: 8px; border-radius: 50%; border: 1px solid var(--border2); }
.prof-dot.filled { background: var(--orange); border-color: var(--orange); }

/* ════════════════ TIMELINE ════════════════ */
.timeline { position: relative; padding-left: 40px; }
.timeline::before { content: ''; position: absolute; left: 0; top: 8px; bottom: 0; width: 1px; background: var(--border2); }
.timeline-item { position: relative; margin-bottom: 56px; }
.timeline-item:last-child { margin-bottom: 0; }
.timeline-dot {
  position: absolute; left: -46px; top: 6px;
  width: 14px; height: 14px;
  border: 2px solid var(--orange);
  background: var(--bg); transform: rotate(45deg);
}
.timeline-date { font-family: var(--font-mono); font-size: 11px; letter-spacing: 2px; color: var(--orange); text-transform: uppercase; margin-bottom: 8px; }
.timeline-title { font-family: var(--font-display); font-size: 20px; font-weight: 600; color: var(--text); margin-bottom: 4px; }
.timeline-company { font-family: var(--font-mono); font-size: 12px; color: var(--steel); margin-bottom: 12px; letter-spacing: 1px; }
.timeline-desc { font-size: 15px; color: var(--text2); line-height: 1.8; max-width: 640px; }

/* ════════════════ FLUTTER SECTION ════════════════ */
.flutter-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 80px; align-items: center; }
.flutter-phone { position: relative; display: flex; justify-content: center; }
.flutter-features { margin-top: 32px; }
.flutter-feature {
  display: flex; align-items: flex-start; gap: 16px;
  padding: 16px; margin-bottom: 12px;
  border: 1px solid var(--border); background: var(--bg3);
  transition: border-color 0.3s;
}
.flutter-feature:hover { border-color: var(--border2); }
.flutter-feature-icon { color: var(--orange); flex-shrink: 0; margin-top: 2px; }
.flutter-feature-title { font-family: var(--font-display); font-size: 14px; font-weight: 600; color: var(--text); margin-bottom: 4px; }
.flutter-feature-desc { font-size: 13px; color: var(--text2); }

/* ════════════════ CONTACT ════════════════ */
.contact-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 80px; }
.contact-info { margin-bottom: 32px; }
.contact-info h3 { font-family: var(--font-display); font-size: 22px; font-weight: 600; color: var(--text); margin-bottom: 12px; }
.contact-info p { font-size: 16px; color: var(--text2); line-height: 1.8; }
.contact-links { display: flex; flex-direction: column; gap: 12px; }
.contact-link {
  display: flex; align-items: center; gap: 16px;
  padding: 16px 20px;
  border: 1px solid var(--border); background: var(--bg2);
  text-decoration: none; transition: all 0.3s;
}
.contact-link:hover { border-color: var(--border2); box-shadow: var(--glow); }
.contact-link-icon {
  width: 40px; height: 40px;
  border: 1px solid var(--border2);
  display: flex; align-items: center; justify-content: center;
  color: var(--orange); font-size: 15px; flex-shrink: 0;
  font-family: var(--font-mono);
}
.contact-link-label { font-family: var(--font-mono); font-size: 10px; letter-spacing: 2px; color: var(--orange); text-transform: uppercase; display: block; margin-bottom: 2px; }
.contact-link-val { font-size: 15px; color: var(--text); }
.contact-form { display: flex; flex-direction: column; gap: 16px; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.form-field { display: flex; flex-direction: column; gap: 6px; }
.form-label { font-family: var(--font-mono); font-size: 10px; letter-spacing: 2px; color: var(--steel2); text-transform: uppercase; }
.form-input, .form-textarea {
  background: var(--bg3); border: 1px solid var(--border);
  color: var(--text); font-family: var(--font-main);
  font-size: 15px; padding: 12px 16px;
  outline: none; transition: border-color 0.3s; resize: none;
}
.form-input:focus, .form-textarea:focus { border-color: var(--border2); }
.form-textarea { height: 130px; }
.form-submit {
  font-family: var(--font-mono); font-size: 12px;
  letter-spacing: 2px; text-transform: uppercase;
  padding: 16px 40px;
  background: var(--orange); color: #000;
  border: none; font-weight: 600;
  transition: all 0.3s; align-self: flex-start;
  clip-path: polygon(8px 0, 100% 0, calc(100% - 8px) 100%, 0 100%);
}
.form-submit:hover { background: var(--orange2); box-shadow: 0 0 30px rgba(255,107,0,0.5); }

/* ════════════════ FOOTER ════════════════ */
footer {
  background: var(--bg);
  border-top: 1px solid var(--border);
  padding: 40px 80px;
  display: flex; align-items: center; justify-content: space-between;
  position: relative; z-index: 1;
}
.footer-logo { font-family: var(--font-display); font-size: 16px; font-weight: 700; color: var(--orange); letter-spacing: 2px; text-decoration: none; }
.footer-text { font-family: var(--font-mono); font-size: 11px; color: var(--text3); letter-spacing: 1px; }
.footer-social { display: flex; gap: 16px; }
.social-btn {
  width: 36px; height: 36px;
  border: 1px solid var(--border);
  display: flex; align-items: center; justify-content: center;
  color: var(--steel2); text-decoration: none;
  font-size: 13px; transition: all 0.3s;
  font-family: var(--font-mono);
}
.social-btn:hover { border-color: var(--orange); color: var(--orange); box-shadow: var(--glow); }

/* ════════════════ PAGE HERO (inner pages) ════════════════ */
.page-hero {
  min-height: 40vh;
  display: flex; align-items: flex-end;
  padding: calc(var(--nav-h) + 60px) 80px 60px;
  border-bottom: 1px solid var(--border);
  position: relative; overflow: hidden;
}
.page-hero-bg {
  position: absolute; right: 60px; bottom: -40px;
  width: 320px; height: 320px; opacity: 0.04;
  animation: spin-cursor 30s linear infinite;
}
.page-hero-breadcrumb {
  font-family: var(--font-mono); font-size: 11px;
  letter-spacing: 2px; color: var(--steel2);
  text-transform: uppercase; margin-bottom: 16px;
}
.page-hero-breadcrumb a { color: var(--orange); text-decoration: none; }
.page-hero-breadcrumb a::after { content: ' /'; color: var(--steel2); }
.page-hero-title { font-family: var(--font-display); font-size: clamp(32px, 5vw, 60px); font-weight: 900; color: var(--text); line-height: 1; }
.page-hero-title span { color: var(--orange); }
.page-hero-sub { font-family: var(--font-mono); font-size: 13px; letter-spacing: 2px; color: var(--steel); margin-top: 12px; text-transform: uppercase; }

/* ════════════════ FADE IN ════════════════ */
.fade-in { opacity: 0; transform: translateY(24px); transition: all 0.7s ease; }
.fade-in.visible { opacity: 1; transform: translateY(0); }

/* ════════════════ SCROLL-TO-TOP ════════════════ */
#scroll-top {
  position: fixed; bottom: 32px; right: 32px;
  width: 44px; height: 44px;
  border: 1px solid var(--border2);
  background: var(--bg2);
  display: flex; align-items: center; justify-content: center;
  color: var(--orange);
  font-family: var(--font-mono); font-size: 16px;
  text-decoration: none;
  opacity: 0; pointer-events: none;
  transition: all 0.3s; z-index: 100;
}
#scroll-top.visible { opacity: 1; pointer-events: all; }
#scroll-top:hover { background: var(--orange); color: #000; box-shadow: var(--glow); }

/* ════════════════ MOBILE ════════════════ */
@media (max-width: 900px) {
  :root { --section-pad: 72px 24px; }
  #home { padding: 80px 24px 40px; }
  .about-grid, .flutter-grid, .contact-grid { grid-template-columns: 1fr; gap: 40px; }
  .expertise-grid, .projects-grid { grid-template-columns: 1fr; }
  .tools-grid { grid-template-columns: repeat(2, 1fr); }
  .hero-stats { flex-wrap: wrap; gap: 32px; }
  nav { padding: 0 24px; }
  .nav-links, .nav-contact-btn { display: none; }
  .nav-hamburger { display: flex; }
  footer { flex-direction: column; gap: 20px; text-align: center; padding: 32px 24px; }
  .page-hero { padding: calc(var(--nav-h) + 40px) 24px 40px; }
  .scroll-ind { left: 24px; }
}
@media (max-width: 600px) {
  .tools-grid { grid-template-columns: 1fr; }
  .form-row { grid-template-columns: 1fr; }
  .hero-btns { flex-direction: column; }
}