/* ============================================================
   CSS CUSTOM PROPERTIES (DESIGN TOKENS)
============================================================ */
:root {
  --bg-primary:     #0a0a0f;
  --bg-secondary:   #0f0f1a;
  --bg-card:        rgba(255, 255, 255, 0.04);
  --bg-glass:       rgba(255, 255, 255, 0.06);
  --border-glass:   rgba(255, 255, 255, 0.10);

  --accent-blue:    #00d4ff;
  --accent-purple:  #7c3aed;
  --accent-pink:    #ec4899;
  --gradient-main:  linear-gradient(135deg, #00d4ff 0%, #7c3aed 100%);
  --gradient-soft:  linear-gradient(135deg, rgba(0,212,255,.15) 0%, rgba(124,58,237,.15) 100%);

  --text-primary:   #f0f0f5;
  --text-secondary: #8888aa;
  --text-muted:     #555570;

  --font-sans:  'Inter', sans-serif;
  --font-display: 'Space Grotesk', sans-serif;

  --radius-sm:  8px;
  --radius-md:  14px;
  --radius-lg:  22px;
  --radius-xl:  32px;

  --shadow-glow-blue:   0 0 30px rgba(0,212,255,.25);
  --shadow-glow-purple: 0 0 30px rgba(124,58,237,.25);
  --shadow-card:        0 8px 32px rgba(0,0,0,.4);

  --transition-fast:   .18s ease;
  --transition-med:    .35s cubic-bezier(.4,0,.2,1);
  --transition-slow:   .6s cubic-bezier(.4,0,.2,1);

  --nav-h: 72px;
}

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

html {
  scroll-behavior: smooth;
  scroll-padding-top: var(--nav-h);
}

body {
  background-color: var(--bg-primary);
  color: var(--text-primary);
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 1.7;
  overflow-x: hidden;
}

::selection { background: rgba(0,212,255,.25); color: var(--text-primary); }

a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }
ul { list-style: none; }

/* Scrollbar */
::-webkit-scrollbar { width: 6px; }
::-webkit-scrollbar-track { background: var(--bg-primary); }
::-webkit-scrollbar-thumb {
  background: var(--accent-purple);
  border-radius: 3px;
}

/* ============================================================
   UTILITY CLASSES
============================================================ */
.container {
  max-width: 1160px;
  margin: 0 auto;
  padding: 0 24px;
}

.section-label {
  display: inline-block;
  font-size: .75rem;
  font-weight: 600;
  letter-spacing: .16em;
  text-transform: uppercase;
  color: var(--accent-blue);
  background: rgba(0,212,255,.1);
  border: 1px solid rgba(0,212,255,.2);
  padding: 6px 16px;
  border-radius: 999px;
  margin-bottom: 18px;
}

.section-title {
  font-family: var(--font-display);
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 700;
  line-height: 1.2;
  margin-bottom: 16px;
}

.section-title span {
  background: var(--gradient-main);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.section-subtitle {
  color: var(--text-secondary);
  max-width: 560px;
  font-size: 1.05rem;
}

.section-header { text-align: center; margin-bottom: 64px; }
.section-header .section-subtitle { margin: 0 auto; }

/* Entrance animation classes */
.reveal {
  opacity: 0;
  transform: translateY(40px);
  transition: opacity .7s ease, transform .7s ease;
}
.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}

/* ============================================================
   BUTTON COMPONENTS
============================================================ */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 13px 28px;
  border-radius: var(--radius-md);
  font-family: var(--font-sans);
  font-size: .95rem;
  font-weight: 600;
  cursor: pointer;
  border: none;
  transition: var(--transition-med);
  position: relative;
  overflow: hidden;
  white-space: nowrap;
}

.btn-primary {
  background: var(--gradient-main);
  color: #fff;
  box-shadow: 0 4px 24px rgba(0,212,255,.3);
}
.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 32px rgba(0,212,255,.45);
}

.btn-outline {
  background: transparent;
  color: var(--text-primary);
  border: 1.5px solid var(--border-glass);
  backdrop-filter: blur(8px);
}
.btn-outline:hover {
  border-color: var(--accent-blue);
  color: var(--accent-blue);
  transform: translateY(-2px);
  box-shadow: var(--shadow-glow-blue);
}

.btn-sm { padding: 8px 18px; font-size: .85rem; border-radius: var(--radius-sm); }

/* ============================================================
   GLASS CARD MIXIN
============================================================ */
.glass-card {
  background: var(--bg-glass);
  border: 1px solid var(--border-glass);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-card);
}

/* ============================================================
   NAVIGATION
============================================================ */
#navbar {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 1000;
  height: var(--nav-h);
  display: flex;
  align-items: center;
  transition: background var(--transition-med), box-shadow var(--transition-med);
}

#navbar.scrolled {
  background: rgba(10,10,15,.85);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  box-shadow: 0 1px 0 var(--border-glass);
}

.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
}

.nav-logo {
  font-family: var(--font-display);
  font-size: 1.4rem;
  font-weight: 700;
  background: var(--gradient-main);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 36px;
}

.nav-links a {
  font-size: .9rem;
  font-weight: 500;
  color: var(--text-secondary);
  transition: color var(--transition-fast);
  position: relative;
}
.nav-links a::after {
  content: '';
  position: absolute;
  bottom: -4px; left: 0;
  width: 0; height: 2px;
  background: var(--gradient-main);
  border-radius: 1px;
  transition: width var(--transition-med);
}
.nav-links a:hover,
.nav-links a.active { color: var(--text-primary); }
.nav-links a:hover::after,
.nav-links a.active::after { width: 100%; }

.nav-cta { margin-left: 8px; }

/* Hamburger */
.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  padding: 4px;
  background: none;
  border: none;
}
.hamburger span {
  display: block;
  width: 26px; height: 2px;
  background: var(--text-primary);
  border-radius: 2px;
  transition: var(--transition-med);
}
.hamburger.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.hamburger.open span:nth-child(2) { opacity: 0; transform: scaleX(0); }
.hamburger.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* Mobile nav drawer */
.nav-mobile {
  position: fixed;
  top: var(--nav-h); left: 0; right: 0;
  background: rgba(10,10,15,.97);
  backdrop-filter: blur(20px);
  padding: 24px;
  display: flex;
  flex-direction: column;
  gap: 8px;
  transform: translateY(-110%);
  transition: transform var(--transition-med);
  z-index: 999;
  border-bottom: 1px solid var(--border-glass);
}
.nav-mobile.open { transform: translateY(0); }
.nav-mobile a {
  padding: 14px 0;
  font-size: 1.05rem;
  font-weight: 500;
  color: var(--text-secondary);
  border-bottom: 1px solid var(--border-glass);
  transition: color var(--transition-fast);
}
.nav-mobile a:last-child { border-bottom: none; }
.nav-mobile a:hover { color: var(--accent-blue); }

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

/* Particle canvas */
#particles-canvas {
  position: absolute;
  inset: 0;
  z-index: 0;
}

/* Gradient orbs */
.hero-orb {
  position: absolute;
  border-radius: 50%;
  filter: blur(80px);
  pointer-events: none;
}
.hero-orb-1 {
  width: 600px; height: 600px;
  background: radial-gradient(circle, rgba(0,212,255,.18) 0%, transparent 70%);
  top: -100px; right: -100px;
  animation: orbFloat 8s ease-in-out infinite alternate;
}
.hero-orb-2 {
  width: 500px; height: 500px;
  background: radial-gradient(circle, rgba(124,58,237,.2) 0%, transparent 70%);
  bottom: -80px; left: -80px;
  animation: orbFloat 10s ease-in-out infinite alternate-reverse;
}

@keyframes orbFloat {
  from { transform: translate(0, 0) scale(1); }
  to   { transform: translate(30px, 20px) scale(1.05); }
}

.hero-content {
  position: relative;
  z-index: 1;
  max-width: 780px;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: var(--bg-glass);
  border: 1px solid var(--border-glass);
  backdrop-filter: blur(8px);
  padding: 8px 18px;
  border-radius: 999px;
  font-size: .85rem;
  font-weight: 500;
  color: var(--text-secondary);
  margin-bottom: 28px;
  animation: fadeDown .8s ease both;
}
.hero-badge .dot {
  width: 8px; height: 8px;
  border-radius: 50%;
  background: var(--accent-blue);
  box-shadow: 0 0 8px var(--accent-blue);
  animation: pulse 2s infinite;
}

@keyframes pulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: .6; transform: scale(.8); }
}

.hero-name {
  font-family: var(--font-display);
  font-size: clamp(3.5rem, 8vw, 6.5rem);
  font-weight: 800;
  line-height: 1.05;
  letter-spacing: -.02em;
  margin-bottom: 24px;
  animation: fadeUp .8s .1s ease both;
}

.hero-name .highlight {
  background: var(--gradient-main);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-tagline {
  font-size: clamp(1.1rem, 2.5vw, 1.4rem);
  color: var(--text-secondary);
  max-width: 540px;
  margin-bottom: 40px;
  animation: fadeUp .8s .2s ease both;
}

.hero-tagline strong { color: var(--text-primary); }

.hero-cta {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
  animation: fadeUp .8s .3s ease both;
}

.hero-scroll {
  position: absolute;
  bottom: 40px; left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  color: var(--text-muted);
  font-size: .75rem;
  letter-spacing: .12em;
  text-transform: uppercase;
  z-index: 1;
  animation: fadeIn 1s 1s ease both;
}
.hero-scroll .scroll-line {
  width: 1px; height: 48px;
  background: linear-gradient(to bottom, var(--accent-blue), transparent);
  animation: scrollLine 2s ease-in-out infinite;
}
@keyframes scrollLine {
  0%, 100% { opacity: .3; }
  50% { opacity: 1; }
}

/* ============================================================
   ABOUT SECTION
============================================================ */
#about {
  padding: 120px 0;
  background: var(--bg-secondary);
  position: relative;
}

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

.about-image-wrap {
  position: relative;
}

.about-image-box {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  aspect-ratio: 4/5;
  background: var(--gradient-soft);
  display: flex;
  align-items: center;
  justify-content: center;
}

.about-avatar-placeholder {
  width: 100%;
  height: 100%;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 16px;
  background: linear-gradient(160deg, rgba(0,212,255,.08) 0%, rgba(124,58,237,.12) 100%);
}

.about-avatar-placeholder i {
  font-size: 6rem;
  background: var(--gradient-main);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.about-avatar-placeholder p {
  color: var(--text-muted);
  font-size: .85rem;
}

.about-avatar-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center top;
  display: block;
  border-radius: var(--radius-lg);
}

/* Floating badge on image */
.about-float-badge {
  position: absolute;
  bottom: -20px; right: -20px;
  background: var(--bg-glass);
  border: 1px solid var(--border-glass);
  backdrop-filter: blur(12px);
  border-radius: var(--radius-md);
  padding: 16px 22px;
  display: flex;
  align-items: center;
  gap: 12px;
}
.float-badge-number {
  font-family: var(--font-display);
  font-size: 1.8rem;
  font-weight: 700;
  background: var(--gradient-main);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.float-badge-text { font-size: .8rem; color: var(--text-secondary); line-height: 1.4; }

/* ============================================================
   COMING SOON CARDS
============================================================ */
.project-card--coming-soon {
  position: relative;
  overflow: visible;
  cursor: default;
  opacity: .85;
}

.project-card--coming-soon .project-image {
  display: flex;
  align-items: center;
  justify-content: center;
}

.coming-soon-icon {
  font-size: 3rem;
  opacity: .4;
  color: var(--text-primary);
}

.coming-soon-banner {
  position: absolute;
  top: 18px;
  right: -10px;
  background: var(--gradient-main);
  color: #fff;
  font-size: .72rem;
  font-weight: 700;
  letter-spacing: .12em;
  text-transform: uppercase;
  padding: 5px 18px 5px 14px;
  border-radius: 4px 0 0 4px;
  box-shadow: 0 4px 15px rgba(0,212,255,.35);
  z-index: 10;
}

.coming-soon-banner::after {
  content: '';
  position: absolute;
  right: -8px;
  top: 0;
  width: 0;
  height: 0;
  border-top: 14px solid transparent;
  border-bottom: 14px solid transparent;
  border-left: 8px solid rgba(124,58,237,.9);
}

/* Glow ring */
.about-image-box::before {
  content: '';
  position: absolute;
  inset: -2px;
  border-radius: inherit;
  background: var(--gradient-main);
  z-index: -1;
  opacity: .4;
}

.about-text .section-label { display: block; }
.about-text .section-title { margin-bottom: 20px; }

.about-description {
  color: var(--text-secondary);
  margin-bottom: 32px;
  font-size: 1.02rem;
}

.about-stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
  margin-bottom: 36px;
}

.stat-item {
  text-align: center;
  padding: 20px 12px;
  background: var(--bg-card);
  border: 1px solid var(--border-glass);
  border-radius: var(--radius-md);
  transition: var(--transition-med);
}
.stat-item:hover {
  border-color: rgba(0,212,255,.3);
  transform: translateY(-4px);
}
.stat-number {
  font-family: var(--font-display);
  font-size: 1.8rem;
  font-weight: 700;
  background: var(--gradient-main);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.stat-label {
  font-size: .78rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: .1em;
  margin-top: 4px;
}

/* Skills */
.skills-title {
  font-size: .8rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: .12em;
  color: var(--text-muted);
  margin-bottom: 16px;
}

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

.skill-bar-header {
  display: flex;
  justify-content: space-between;
  margin-bottom: 8px;
  font-size: .88rem;
  font-weight: 500;
}
.skill-bar-header span:last-child { color: var(--text-muted); }

.skill-bar-track {
  height: 6px;
  background: var(--bg-card);
  border-radius: 3px;
  overflow: hidden;
}
.skill-bar-fill {
  height: 100%;
  border-radius: 3px;
  background: var(--gradient-main);
  width: 0;
  transition: width 1.2s cubic-bezier(.4,0,.2,1);
}

/* Tech stack icons */
.tech-stack {
  margin-top: 48px;
}
.tech-stack-title {
  font-size: .78rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: .12em;
  color: var(--text-muted);
  margin-bottom: 20px;
}
.tech-icons {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}
.tech-icon {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  background: var(--bg-card);
  border: 1px solid var(--border-glass);
  padding: 8px 14px;
  border-radius: var(--radius-sm);
  font-size: .82rem;
  font-weight: 500;
  color: var(--text-secondary);
  transition: var(--transition-med);
}
.tech-icon i { font-size: 1rem; }
.tech-icon:hover {
  border-color: var(--accent-blue);
  color: var(--accent-blue);
  transform: translateY(-3px);
  box-shadow: var(--shadow-glow-blue);
}

/* ============================================================
   PROJECTS SECTION
============================================================ */
#projects {
  padding: 120px 0;
  background: var(--bg-primary);
}

.projects-filter {
  display: flex;
  justify-content: center;
  gap: 10px;
  flex-wrap: wrap;
  margin-bottom: 56px;
}
.filter-btn {
  padding: 8px 20px;
  border-radius: 999px;
  border: 1.5px solid var(--border-glass);
  background: transparent;
  color: var(--text-secondary);
  font-size: .85rem;
  font-weight: 500;
  cursor: pointer;
  transition: var(--transition-med);
  font-family: var(--font-sans);
}
.filter-btn:hover,
.filter-btn.active {
  background: var(--gradient-main);
  border-color: transparent;
  color: #fff;
}

.projects-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(340px, 1fr));
  gap: 28px;
}

.project-card {
  background: var(--bg-card);
  border: 1px solid var(--border-glass);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: var(--transition-med);
  display: flex;
  flex-direction: column;
}
.project-card:hover {
  transform: translateY(-8px);
  border-color: rgba(0,212,255,.3);
  box-shadow: 0 20px 60px rgba(0,0,0,.5), var(--shadow-glow-blue);
}

.project-image {
  position: relative;
  aspect-ratio: 16/9;
  overflow: hidden;
  background: var(--gradient-soft);
}

.project-image-placeholder {
  width: 100%;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 3rem;
  opacity: .45;
}

.project-overlay {
  position: absolute;
  inset: 0;
  background: rgba(0,0,0,.7);
  backdrop-filter: blur(4px);
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
  opacity: 0;
  transition: opacity var(--transition-med);
}
.project-card:hover .project-overlay { opacity: 1; }

.project-body {
  padding: 24px;
  display: flex;
  flex-direction: column;
  flex: 1;
}

.project-tag {
  display: inline-block;
  font-size: .7rem;
  font-weight: 600;
  letter-spacing: .1em;
  text-transform: uppercase;
  color: var(--accent-blue);
  margin-bottom: 8px;
}

.project-title {
  font-family: var(--font-display);
  font-size: 1.15rem;
  font-weight: 600;
  margin-bottom: 10px;
}

.project-desc {
  font-size: .9rem;
  color: var(--text-secondary);
  flex: 1;
  margin-bottom: 20px;
}

.project-tech {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-bottom: 20px;
}
.project-tech span {
  font-size: .72rem;
  background: rgba(124,58,237,.15);
  color: #a78bfa;
  border: 1px solid rgba(124,58,237,.25);
  padding: 3px 10px;
  border-radius: 999px;
}

.project-actions { display: flex; gap: 10px; }

/* ============================================================
   SERVICES SECTION
============================================================ */
#services {
  padding: 120px 0;
  background: var(--bg-secondary);
}

.services-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 24px;
}

.service-card {
  padding: 36px 28px;
  background: var(--bg-card);
  border: 1px solid var(--border-glass);
  border-radius: var(--radius-lg);
  transition: var(--transition-med);
  position: relative;
  overflow: hidden;
}
.service-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 3px;
  background: var(--gradient-main);
  transform: scaleX(0);
  transition: transform var(--transition-med);
  transform-origin: left;
}
.service-card:hover { transform: translateY(-6px); border-color: rgba(0,212,255,.2); }
.service-card:hover::before { transform: scaleX(1); }

.service-icon {
  width: 56px; height: 56px;
  border-radius: var(--radius-md);
  background: var(--gradient-soft);
  border: 1px solid rgba(0,212,255,.15);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 24px;
  font-size: 1.4rem;
  color: var(--accent-blue);
  transition: var(--transition-med);
}
.service-card:hover .service-icon {
  background: var(--gradient-main);
  color: #fff;
  border-color: transparent;
  box-shadow: var(--shadow-glow-blue);
}

.service-title {
  font-family: var(--font-display);
  font-size: 1.1rem;
  font-weight: 600;
  margin-bottom: 12px;
}

.service-desc {
  font-size: .9rem;
  color: var(--text-secondary);
  line-height: 1.7;
}

/* ============================================================
   CONTACT SECTION
============================================================ */
#contact {
  padding: 120px 0;
  background: var(--bg-primary);
  position: relative;
}

#contact::before {
  content: '';
  position: absolute;
  top: 0; left: 50%; transform: translateX(-50%);
  width: 800px; height: 500px;
  background: radial-gradient(ellipse at center, rgba(124,58,237,.08) 0%, transparent 70%);
  pointer-events: none;
}

.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1.4fr;
  gap: 64px;
  align-items: start;
}

.contact-info .section-title { margin-bottom: 20px; }

.contact-info p {
  color: var(--text-secondary);
  margin-bottom: 40px;
}

.contact-item {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 16px 0;
  border-bottom: 1px solid var(--border-glass);
}
.contact-item:last-of-type { border-bottom: none; }
.contact-item-icon {
  width: 44px; height: 44px;
  border-radius: 50%;
  background: var(--bg-glass);
  border: 1px solid var(--border-glass);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--accent-blue);
  flex-shrink: 0;
}
.contact-item-label { font-size: .75rem; color: var(--text-muted); text-transform: uppercase; letter-spacing: .1em; }
.contact-item-value { font-size: .95rem; font-weight: 500; margin-top: 2px; }

.social-links {
  display: flex;
  gap: 12px;
  margin-top: 36px;
}
.social-link {
  width: 44px; height: 44px;
  border-radius: 50%;
  background: var(--bg-card);
  border: 1.5px solid var(--border-glass);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1rem;
  color: var(--text-secondary);
  transition: var(--transition-med);
}
.social-link:hover {
  border-color: var(--accent-blue);
  color: var(--accent-blue);
  transform: translateY(-3px);
  box-shadow: var(--shadow-glow-blue);
}

/* Contact Form */
.contact-form-wrap {
  padding: 40px;
  background: var(--bg-glass);
  border: 1px solid var(--border-glass);
  backdrop-filter: blur(16px);
  border-radius: var(--radius-lg);
}

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

.form-group {
  margin-bottom: 20px;
}

.form-group label {
  display: block;
  font-size: .82rem;
  font-weight: 600;
  color: var(--text-secondary);
  text-transform: uppercase;
  letter-spacing: .08em;
  margin-bottom: 8px;
}

.form-group input,
.form-group textarea,
.form-group select {
  width: 100%;
  background: rgba(255,255,255,.04);
  border: 1.5px solid var(--border-glass);
  color: var(--text-primary);
  padding: 14px 16px;
  border-radius: var(--radius-sm);
  font-family: var(--font-sans);
  font-size: .95rem;
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
  outline: 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-blue);
  box-shadow: 0 0 0 3px rgba(0,212,255,.12);
}

.form-group textarea {
  resize: vertical;
  min-height: 130px;
}

.form-submit { width: 100%; justify-content: center; }

.form-status {
  margin-top: 16px;
  padding: 12px 16px;
  border-radius: var(--radius-sm);
  font-size: .9rem;
  text-align: center;
  display: none;
}
.form-status.success {
  display: block;
  background: rgba(0,212,100,.12);
  border: 1px solid rgba(0,212,100,.25);
  color: #00d464;
}
.form-status.error {
  display: block;
  background: rgba(255,60,60,.1);
  border: 1px solid rgba(255,60,60,.25);
  color: #ff6060;
}

/* ============================================================
   FOOTER
============================================================ */
#footer {
  background: var(--bg-secondary);
  border-top: 1px solid var(--border-glass);
  padding: 40px 0;
}

.footer-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 20px;
}

.footer-logo {
  font-family: var(--font-display);
  font-size: 1.2rem;
  font-weight: 700;
  background: var(--gradient-main);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.footer-copy {
  font-size: .85rem;
  color: var(--text-muted);
}

.footer-copy span {
  color: var(--accent-blue);
}

/* Back-to-top */
#back-top {
  position: fixed;
  bottom: 32px; right: 32px;
  width: 48px; height: 48px;
  border-radius: 50%;
  background: var(--gradient-main);
  border: none;
  color: #fff;
  font-size: 1.1rem;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 4px 20px rgba(0,212,255,.35);
  transform: translateY(80px);
  opacity: 0;
  transition: transform var(--transition-med), opacity var(--transition-med);
  z-index: 500;
}
#back-top.visible {
  transform: translateY(0);
  opacity: 1;
}
#back-top:hover { transform: translateY(-4px); }

/* ============================================================
   KEYFRAME ANIMATIONS
============================================================ */
@keyframes fadeUp {
  from { opacity: 0; transform: translateY(28px); }
  to   { opacity: 1; transform: translateY(0); }
}
@keyframes fadeDown {
  from { opacity: 0; transform: translateY(-20px); }
  to   { opacity: 1; transform: translateY(0); }
}
@keyframes fadeIn {
  from { opacity: 0; }
  to   { opacity: 1; }
}

/* ============================================================
   RESPONSIVE — TABLET
============================================================ */
@media (max-width: 900px) {
  .about-grid { grid-template-columns: 1fr; gap: 56px; }
  .about-image-wrap { max-width: 400px; margin: 0 auto; }
  .contact-grid { grid-template-columns: 1fr; gap: 48px; }
  .nav-links, .nav-cta { display: none; }
  .hamburger { display: flex; }
}

/* ============================================================
   RESPONSIVE — MOBILE
============================================================ */
@media (max-width: 600px) {
  .hero-cta { flex-direction: column; }
  .hero-cta .btn { width: 100%; justify-content: center; }
  .about-stats { grid-template-columns: 1fr 1fr; }
  .projects-grid { grid-template-columns: 1fr; }
  .services-grid { grid-template-columns: 1fr; }
  .form-row { grid-template-columns: 1fr; }
  .contact-form-wrap { padding: 24px; }
  .footer-inner { flex-direction: column; text-align: center; }
  #back-top { bottom: 20px; right: 20px; }
  .about-float-badge { right: 0; bottom: -10px; }
}