/* ============================================================
   PORTFOLIO — style.css
   Dark / Neon / Glassmorphism developer portfolio
   ============================================================ */

/* ── CUSTOM PROPERTIES ── */
:root {
  --bg:          #080808;
  --bg2:         #0f0f0f;
  --bg3:         #141414;
  --card:        rgba(255,255,255,0.04);
  --card-border: rgba(255,255,255,0.08);
  --cyan:        #00d4ff;
  --green:       #00ff88;
  --purple:      #8b5cf6;
  --amber:       #f59e0b;
  --pink:        #ec4899;
  --text1:       #f0f0f0;
  --text2:       #a0a0a0;
  --text3:       #606060;
  --radius:      14px;
  --radius-lg:   22px;
  --transition:  0.35s cubic-bezier(0.4,0,0.2,1);
  --glow:        0 0 40px rgba(0,212,255,0.18);
  --font-head:   'Space Grotesk', sans-serif;
  --font-body:   'Inter', sans-serif;
  --font-mono:   'JetBrains Mono', monospace;
}

/* ── RESET ── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; scrollbar-width: thin; scrollbar-color: var(--cyan) var(--bg2); }
::-webkit-scrollbar { width: 5px; }
::-webkit-scrollbar-track { background: var(--bg2); }
::-webkit-scrollbar-thumb { background: var(--cyan); border-radius: 3px; }
body {
  background: var(--bg);
  color: var(--text1);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.7;
  overflow-x: hidden;
  cursor: none;
}
a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }
ul { list-style: none; }
button { background: none; border: none; cursor: pointer; font-family: inherit; }
input, textarea { font-family: inherit; }
::selection { background: var(--cyan); color: var(--bg); }

/* ── LOADER ── */
.loader {
  position: fixed; inset: 0; z-index: 9999;
  background: var(--bg);
  display: flex; align-items: center; justify-content: center;
  transition: opacity .6s ease, visibility .6s ease;
}
.loader.hide { opacity: 0; visibility: hidden; pointer-events: none; }
.loader-inner { text-align: center; }
.loader-logo {
  font-family: var(--font-head);
  font-size: 3rem; font-weight: 700;
  background: linear-gradient(135deg, var(--cyan), var(--green));
  -webkit-background-clip: text; -webkit-text-fill-color: transparent;
  margin-bottom: 1.5rem;
  animation: logoPulse 1s ease infinite alternate;
}
@keyframes logoPulse { from { opacity:.6; transform: scale(.96); } to { opacity:1; transform: scale(1); } }
.loader-bar-wrap {
  width: 200px; height: 3px;
  background: rgba(255,255,255,.08); border-radius: 99px;
  overflow: hidden; margin: 0 auto 1rem;
}
.loader-bar-fill {
  height: 100%;
  background: linear-gradient(90deg, var(--cyan), var(--green));
  border-radius: 99px;
  animation: loaderFill 1.8s ease forwards;
}
@keyframes loaderFill { from { width:0; } to { width:100%; } }
.loader-label { font-size: .8rem; color: var(--text3); letter-spacing: 2px; text-transform: uppercase; font-family: var(--font-mono); }

/* ── CUSTOM CURSOR ── */
.cursor-dot {
  position: fixed; top: 0; left: 0; width: 8px; height: 8px;
  background: var(--cyan); border-radius: 50%; pointer-events: none;
  z-index: 9998; transform: translate(-50%,-50%);
  transition: width .15s, height .15s, background .15s;
}
.cursor-ring {
  position: fixed; top: 0; left: 0; width: 36px; height: 36px;
  border: 1.5px solid rgba(0,212,255,.5); border-radius: 50%;
  pointer-events: none; z-index: 9997; transform: translate(-50%,-50%);
  transition: transform .12s ease, width .2s, height .2s, border-color .2s;
}
body.cursor-hover .cursor-dot { width: 12px; height: 12px; background: var(--green); }
body.cursor-hover .cursor-ring { width: 52px; height: 52px; border-color: var(--green); }
@media (hover: none) { .cursor-dot, .cursor-ring { display: none; } }

/* ── SCROLL PROGRESS ── */
.scroll-progress {
  position: fixed; top: 0; left: 0; height: 3px; width: 0%;
  background: linear-gradient(90deg, var(--cyan), var(--green));
  z-index: 9996; transition: width .1s linear;
  box-shadow: 0 0 10px var(--cyan);
}

/* ── NAVBAR ── */
.navbar {
  position: fixed; top: 0; left: 0; right: 0; z-index: 1000;
  padding: 1.2rem 0;
  transition: background var(--transition), padding var(--transition), backdrop-filter var(--transition);
}
.navbar.scrolled {
  background: rgba(8,8,8,.88);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  padding: .8rem 0;
  border-bottom: 1px solid var(--card-border);
}
.nav-wrap {
  max-width: 1280px; margin: 0 auto; padding: 0 2rem;
  display: flex; align-items: center; gap: 2rem;
}
.nav-logo {
  font-family: var(--font-head); font-size: 1.4rem; font-weight: 700;
  display: flex; align-items: center; gap: 0;
}
.logo-char { color: var(--text1); }
.logo-dot { color: var(--cyan); }
.nav-links {
  display: flex; align-items: center; gap: .25rem; margin-left: auto;
}
.nav-link {
  padding: .5rem .9rem; font-size: .88rem; font-weight: 500;
  color: var(--text2); border-radius: 8px;
  transition: color var(--transition), background var(--transition);
  position: relative;
}
.nav-link::after {
  content: ''; position: absolute; bottom: 4px; left: 50%; transform: translateX(-50%);
  width: 0; height: 2px; background: var(--cyan); border-radius: 99px;
  transition: width var(--transition);
}
.nav-link:hover, .nav-link.active { color: var(--text1); }
.nav-link:hover::after, .nav-link.active::after { width: 60%; }
.nav-actions { display: flex; align-items: center; gap: 1rem; }
.btn-hire {
  padding: .55rem 1.4rem; border-radius: 50px;
  background: linear-gradient(135deg, var(--cyan), var(--green));
  color: var(--bg); font-weight: 600; font-size: .88rem;
  transition: opacity var(--transition), transform var(--transition), box-shadow var(--transition);
}
.btn-hire:hover { opacity: .9; transform: translateY(-1px); box-shadow: 0 8px 24px rgba(0,212,255,.3); }
.hamburger { display: none; flex-direction: column; gap: 5px; padding: 4px; }
.hamburger span { display: block; width: 24px; height: 2px; background: var(--text1); border-radius: 99px; transition: var(--transition); }
.hamburger.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.hamburger.open span:nth-child(2) { opacity: 0; }
.hamburger.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }
.mobile-drawer {
  display: none; position: absolute; top: 100%; left: 0; right: 0;
  background: rgba(8,8,8,.96); backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--card-border); padding: 1.5rem 2rem;
  transform: translateY(-10px); opacity: 0;
  transition: transform var(--transition), opacity var(--transition);
  pointer-events: none;
}
.mobile-drawer.open { transform: translateY(0); opacity: 1; pointer-events: all; }
.mobile-drawer ul { display: flex; flex-direction: column; gap: .5rem; }
.mob-link {
  display: block; padding: .75rem 1rem; border-radius: 8px;
  color: var(--text2); font-size: 1rem; font-weight: 500;
  transition: background var(--transition), color var(--transition);
}
.mob-link:hover { background: var(--card); color: var(--text1); }

/* ── UTILITY ── */
.container { max-width: 1280px; margin: 0 auto; padding: 0 2rem; }
.section { padding: 120px 0; }
.section-label {
  font-family: var(--font-mono); font-size: .78rem; font-weight: 500;
  color: var(--cyan); letter-spacing: 3px; text-transform: uppercase;
  margin-bottom: .8rem;
}
.section-title {
  font-family: var(--font-head); font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 700; line-height: 1.15; margin-bottom: 1rem; color: var(--text1);
}
.section-sub { color: var(--text2); font-size: 1.05rem; max-width: 600px; margin-bottom: 3.5rem; }
.gradient-text {
  background: linear-gradient(135deg, var(--cyan) 0%, var(--green) 50%, var(--purple) 100%);
  -webkit-background-clip: text; -webkit-text-fill-color: transparent;
  background-clip: text;
}

/* ── BUTTONS ── */
.btn {
  display: inline-flex; align-items: center; gap: .5rem;
  padding: .75rem 1.8rem; border-radius: 50px; font-weight: 600;
  font-size: .93rem; font-family: var(--font-body);
  transition: all var(--transition); cursor: none;
}
.btn-primary {
  background: linear-gradient(135deg, var(--cyan), var(--green));
  color: var(--bg); box-shadow: 0 6px 30px rgba(0,212,255,.25);
}
.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 12px 40px rgba(0,212,255,.4); }
.btn-outline {
  border: 1.5px solid var(--cyan); color: var(--cyan);
  background: transparent;
}
.btn-outline:hover { background: rgba(0,212,255,.1); transform: translateY(-2px); }
.btn-ghost { color: var(--text2); background: var(--card); border: 1px solid var(--card-border); }
.btn-ghost:hover { color: var(--text1); background: rgba(255,255,255,.08); transform: translateY(-2px); }
.btn-full { width: 100%; justify-content: center; }

/* ── SCROLL REVEAL CLASSES ── */
.reveal-up, .reveal-left, .reveal-right {
  opacity: 0; transform: translateY(40px);
  transition: opacity .7s ease, transform .7s ease;
}
.reveal-left { transform: translateX(-40px); }
.reveal-right { transform: translateX(40px); }
.revealed { opacity: 1 !important; transform: none !important; }

/* ── HERO ── */
.hero {
  position: relative; min-height: 100vh;
  display: flex; align-items: center; justify-content: center;
  overflow: hidden; padding-top: 80px;
}
#hero-canvas {
  position: absolute; inset: 0; width: 100%; height: 100%;
  z-index: 0; pointer-events: none;
}
.hero-grid-overlay {
  position: absolute; inset: 0; z-index: 1;
  background-image:
    linear-gradient(rgba(0,212,255,.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(0,212,255,.04) 1px, transparent 1px);
  background-size: 60px 60px;
  mask-image: radial-gradient(ellipse 80% 80% at 50% 50%, black 40%, transparent 100%);
}
.hero-content {
  position: relative; z-index: 2; text-align: center;
  max-width: 860px; padding: 2rem;
}
.hero-badge {
  display: inline-flex; align-items: center; gap: .6rem;
  padding: .45rem 1.2rem; border-radius: 50px;
  background: rgba(0,212,255,.08); border: 1px solid rgba(0,212,255,.25);
  font-size: .8rem; color: var(--cyan); margin-bottom: 1.5rem;
  font-family: var(--font-mono); letter-spacing: 1px;
}
.badge-pulse {
  width: 8px; height: 8px; border-radius: 50%; background: var(--green);
  animation: badgePulse 2s ease infinite;
}
@keyframes badgePulse {
  0%,100% { box-shadow: 0 0 0 0 rgba(0,255,136,.6); }
  50% { box-shadow: 0 0 0 8px rgba(0,255,136,0); }
}
.hero-name { font-family: var(--font-head); margin-bottom: 1.2rem; }
.name-greeting { display: block; font-size: clamp(.9rem, 2vw, 1.1rem); color: var(--text2); font-weight: 400; margin-bottom: .4rem; }
.name-main { display: block; font-size: clamp(3rem, 7vw, 5.5rem); font-weight: 700; line-height: 1.05; }
.hero-tagline {
  font-size: clamp(1rem, 2.5vw, 1.35rem); color: var(--text2);
  margin-bottom: 1.5rem; display: flex; align-items: center; justify-content: center; gap: .35rem;
  flex-wrap: wrap;
}
.typewriter-text { color: var(--cyan); font-weight: 600; }
.tw-cursor { color: var(--cyan); animation: blink .7s step-end infinite; }
@keyframes blink { 0%,100% { opacity:1; } 50% { opacity:0; } }
.hero-bio { color: var(--text2); font-size: 1rem; max-width: 580px; margin: 0 auto 2.5rem; line-height: 1.8; }
.hero-cta { display: flex; justify-content: center; gap: 1rem; flex-wrap: wrap; margin-bottom: 3.5rem; }
.hero-stats {
  display: flex; align-items: center; justify-content: center; gap: 0;
  flex-wrap: wrap; border: 1px solid var(--card-border); border-radius: 16px;
  background: var(--card); backdrop-filter: blur(10px); padding: 1.5rem 2rem;
  gap: 0;
}
.stat { text-align: center; padding: 0 2rem; }
.stat-num { font-family: var(--font-head); font-size: 2.2rem; font-weight: 700; color: var(--text1); display: inline; }
.stat-plus { font-family: var(--font-head); font-size: 1.8rem; font-weight: 700; color: var(--cyan); }
.stat-lbl { display: block; font-size: .78rem; color: var(--text3); letter-spacing: 1px; text-transform: uppercase; margin-top: .3rem; }
.stat-sep { width: 1px; height: 50px; background: var(--card-border); }
.hero-scroll {
  position: absolute; bottom: 2rem; left: 50%; transform: translateX(-50%);
  display: flex; flex-direction: column; align-items: center; gap: .5rem;
  color: var(--text3); font-size: .72rem; letter-spacing: 2px; text-transform: uppercase;
  font-family: var(--font-mono); z-index: 2;
}
.scroll-line-anim {
  width: 1px; height: 50px; background: linear-gradient(to bottom, var(--cyan), transparent);
  animation: scrollLine 2s ease infinite;
}
@keyframes scrollLine { 0%,100% { opacity: .3; transform: scaleY(.5) translateY(0); } 50% { opacity: 1; transform: scaleY(1) translateY(10px); } }

/* ── ABOUT ── */
.about-section { background: var(--bg2); }
.about-grid { display: grid; grid-template-columns: 1fr 1.5fr; gap: 5rem; align-items: center; }
.avatar-wrap { position: relative; display: inline-flex; }
.avatar-placeholder {
  width: 280px; height: 280px; border-radius: 50%;
  background: linear-gradient(135deg, rgba(0,212,255,.15), rgba(139,92,246,.15));
  border: 2px solid rgba(0,212,255,.3);
  display: flex; align-items: center; justify-content: center;
  position: relative; overflow: hidden;
}
.avatar-initials {
  font-family: var(--font-head); font-size: 5rem; font-weight: 700;
  background: linear-gradient(135deg, var(--cyan), var(--green));
  -webkit-background-clip: text; -webkit-text-fill-color: transparent;
}
.avatar-ring {
  position: absolute; border-radius: 50%;
  border: 1px solid rgba(0,212,255,.2);
  animation: ringPulse 4s ease infinite;
}
.ring1 { width: 320px; height: 320px; }
.ring2 { width: 370px; height: 370px; animation-delay: 1s; }
@keyframes ringPulse { 0%,100% { opacity:.15; transform: scale(.98); } 50% { opacity:.4; transform: scale(1); } }
.exp-badge {
  position: absolute; bottom: -10px; right: -20px;
  background: linear-gradient(135deg, var(--cyan), var(--green));
  color: var(--bg); padding: 1rem 1.2rem; border-radius: 14px;
  text-align: center; font-family: var(--font-head); font-weight: 700; box-shadow: 0 10px 30px rgba(0,212,255,.4);
}
.exp-num { font-size: 2rem; display: block; line-height: 1; }
.exp-txt { font-size: .72rem; font-weight: 600; opacity: .85; }
.tech-stack-strip { display: flex; flex-wrap: wrap; gap: .5rem; margin-top: 3rem; }
.tech-tag {
  padding: .35rem .85rem; border-radius: 50px;
  background: var(--card); border: 1px solid var(--card-border);
  font-size: .78rem; color: var(--cyan); font-family: var(--font-mono);
  transition: background var(--transition), border-color var(--transition);
}
.tech-tag:hover { background: rgba(0,212,255,.1); border-color: var(--cyan); }
.about-intro { font-size: 1.12rem; color: var(--text1); line-height: 1.75; margin-bottom: 1.2rem; }
.about-intro strong { color: var(--cyan); }
.about-text { color: var(--text2); line-height: 1.8; margin-bottom: 2rem; }
.expertise-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 1rem; margin-bottom: 2rem; }
.expertise-card {
  display: flex; gap: .8rem; align-items: flex-start;
  padding: 1rem; border-radius: var(--radius); background: var(--card);
  border: 1px solid var(--card-border); transition: border-color var(--transition), transform var(--transition);
}
.expertise-card:hover { border-color: rgba(0,212,255,.3); transform: translateY(-2px); }
.exp-icon { font-size: 1.4rem; flex-shrink: 0; margin-top: .1rem; }
.expertise-card strong { display: block; font-size: .9rem; color: var(--text1); margin-bottom: .2rem; }
.expertise-card p { font-size: .8rem; color: var(--text3); line-height: 1.5; }
.about-cta { display: flex; gap: 1rem; flex-wrap: wrap; }

/* ── SKILLS ── */
.skills-section { background: var(--bg); }
.skills-layout { display: grid; grid-template-columns: 1.2fr 1fr; gap: 4rem; align-items: start; }
.skill-group { margin-bottom: 2rem; }
.skill-group-title {
  font-family: var(--font-head); font-size: .78rem; font-weight: 600;
  letter-spacing: 3px; text-transform: uppercase; color: var(--cyan);
  margin-bottom: 1.2rem; display: flex; align-items: center; gap: .75rem;
}
.skill-group-title::after { content: ''; flex: 1; height: 1px; background: var(--card-border); }
.skill-bar-item { margin-bottom: 1.1rem; }
.skill-meta { display: flex; justify-content: space-between; font-size: .85rem; margin-bottom: .45rem; }
.skill-meta span:first-child { color: var(--text1); font-weight: 500; }
.skill-pct { color: var(--cyan); font-family: var(--font-mono); font-size: .8rem; }
.skill-track { height: 5px; background: rgba(255,255,255,.07); border-radius: 99px; overflow: hidden; }
.skill-fill {
  height: 100%; width: 0%;
  background: linear-gradient(90deg, var(--cyan), var(--green));
  border-radius: 99px; transition: width 1.2s cubic-bezier(.25,.46,.45,.94);
  box-shadow: 0 0 10px rgba(0,212,255,.4);
}
.skills-icons { display: grid; grid-template-columns: repeat(3, 1fr); gap: .9rem; }
.tech-icon-card {
  display: flex; flex-direction: column; align-items: center; justify-content: center;
  gap: .5rem; padding: 1.4rem 1rem; border-radius: var(--radius);
  background: var(--card); border: 1px solid var(--card-border);
  transition: all var(--transition); cursor: default;
  position: relative; overflow: hidden;
}
.tech-icon-card::before {
  content: ''; position: absolute; inset: 0;
  background: radial-gradient(circle at 50% 0%, var(--accent) , transparent 70%);
  opacity: 0; transition: opacity var(--transition);
}
.tech-icon-card:hover::before { opacity: .08; }
.tech-icon-card:hover { border-color: var(--accent, var(--cyan)); transform: translateY(-4px); box-shadow: 0 8px 30px rgba(0,0,0,.3); }
.tech-emoji { font-size: 1.8rem; }
.tech-name { font-size: .78rem; font-weight: 600; color: var(--text2); font-family: var(--font-mono); }

/* ── PROJECTS ── */
.projects-section { background: var(--bg2); }
.filter-tabs { display: flex; gap: .6rem; flex-wrap: wrap; margin-bottom: 3rem; }
.filter-btn {
  padding: .5rem 1.2rem; border-radius: 50px;
  border: 1.5px solid var(--card-border); color: var(--text2);
  font-size: .85rem; font-weight: 500; background: transparent;
  transition: all var(--transition); cursor: none;
}
.filter-btn:hover, .filter-btn.active {
  background: rgba(0,212,255,.1); border-color: var(--cyan); color: var(--cyan);
}
.projects-grid {
  display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.5rem;
}
.project-card {
  border-radius: var(--radius-lg); background: var(--card);
  border: 1px solid var(--card-border); overflow: hidden;
  transition: transform var(--transition), box-shadow var(--transition);
  position: relative;
}
.project-card:hover { transform: translateY(-8px) scale(1.01); box-shadow: 0 30px 60px rgba(0,0,0,.4), 0 0 0 1px rgba(0,212,255,.15); }
.project-card.hidden { display: none; }
.project-thumb {
  height: 200px; position: relative; overflow: hidden;
  background: linear-gradient(135deg, var(--c1), var(--c2));
  display: flex; align-items: center; justify-content: center;
}
.project-thumb-icon { font-size: 4rem; opacity: .4; transition: opacity var(--transition), transform var(--transition); }
.project-card:hover .project-thumb-icon { opacity: .2; transform: scale(1.1); }
.project-overlay {
  position: absolute; inset: 0;
  background: rgba(0,0,0,.6); display: flex; align-items: center; justify-content: center;
  opacity: 0; transition: opacity var(--transition);
}
.project-card:hover .project-overlay { opacity: 1; }
.thumb-link {
  display: inline-flex; align-items: center; gap: .5rem;
  padding: .7rem 1.4rem; border-radius: 50px;
  background: rgba(255,255,255,.1); backdrop-filter: blur(10px);
  border: 1px solid rgba(255,255,255,.2); color: white;
  font-size: .85rem; font-weight: 500;
  transition: background var(--transition);
}
.thumb-link:hover { background: rgba(255,255,255,.2); }
.project-body { padding: 1.5rem; }
.project-title { font-family: var(--font-head); font-size: 1.05rem; font-weight: 600; margin-bottom: .6rem; color: var(--text1); }
.project-desc { font-size: .85rem; color: var(--text2); line-height: 1.65; margin-bottom: 1rem; }
.project-stack { display: flex; flex-wrap: wrap; gap: .4rem; margin-bottom: 1rem; }
.stack-tag {
  padding: .2rem .6rem; border-radius: 4px;
  background: rgba(255,255,255,.06); border: 1px solid var(--card-border);
  font-size: .72rem; color: var(--text3); font-family: var(--font-mono);
}
.project-footer { border-top: 1px solid var(--card-border); padding-top: 1rem; }
.project-link {
  display: inline-flex; align-items: center; gap: .4rem;
  font-size: .83rem; font-weight: 600; color: var(--cyan);
  transition: gap var(--transition);
}
.project-link:hover { gap: .7rem; }
.project-link-private { font-size: .83rem; color: var(--text3); font-family: var(--font-mono); }

/* ── CASE STUDIES ── */
.case-section { background: var(--bg); }
.case-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.5rem; }
.case-card {
  padding: 2rem; border-radius: var(--radius-lg); background: var(--card);
  border: 1px solid var(--card-border); position: relative; overflow: hidden;
  transition: transform var(--transition), box-shadow var(--transition);
}
.case-card::before {
  content: ''; position: absolute; top: 0; left: 0; right: 0; height: 3px;
  background: var(--case-color, var(--cyan));
  box-shadow: 0 0 20px var(--case-color, var(--cyan));
}
.case-card:hover { transform: translateY(-6px); box-shadow: 0 24px 50px rgba(0,0,0,.35); }
.case-no {
  font-family: var(--font-head); font-size: 4rem; font-weight: 800;
  color: var(--case-color, var(--cyan)); opacity: .15; line-height: 1;
  position: absolute; top: 1.5rem; right: 1.5rem;
}
.case-icon { font-size: 2rem; margin-bottom: 1rem; }
.case-title { font-family: var(--font-head); font-size: 1.1rem; font-weight: 600; margin-bottom: 1.5rem; color: var(--text1); }
.case-steps { display: flex; flex-direction: column; gap: .6rem; }
.case-step { padding: .9rem; border-radius: 10px; background: rgba(255,255,255,.03); border: 1px solid rgba(255,255,255,.06); }
.step-label {
  display: inline-block; font-size: .65rem; font-weight: 700;
  letter-spacing: 2px; text-transform: uppercase; font-family: var(--font-mono);
  padding: .18rem .5rem; border-radius: 4px; margin-bottom: .5rem;
}
.step-label.problem  { background: rgba(239,68,68,.15);  color: #f87171; }
.step-label.solution { background: rgba(0,212,255,.12);  color: var(--cyan); }
.step-label.result   { background: rgba(0,255,136,.12);  color: var(--green); }
.case-step p { font-size: .82rem; color: var(--text2); line-height: 1.6; }
.step-arrow { text-align: center; color: var(--text3); font-size: .9rem; }

/* ── SERVICES ── */
.services-section { background: var(--bg2); }
.services-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.5rem; }
.service-card {
  padding: 2.2rem; border-radius: var(--radius-lg); background: var(--card);
  border: 1px solid var(--card-border); position: relative; overflow: hidden;
  transition: all var(--transition); cursor: default;
}
.service-card::after {
  content: ''; position: absolute; inset: 0;
  background: radial-gradient(circle at 30% 100%, var(--svc-color), transparent 60%);
  opacity: 0; transition: opacity var(--transition);
}
.service-card:hover { border-color: var(--svc-color); transform: translateY(-6px); }
.service-card:hover::after { opacity: .08; }
.svc-icon {
  font-size: 2.4rem; margin-bottom: 1.2rem;
  filter: drop-shadow(0 0 10px var(--svc-color, var(--cyan)));
}
.svc-title { font-family: var(--font-head); font-size: 1rem; font-weight: 600; color: var(--text1); margin-bottom: .8rem; }
.svc-desc { font-size: .85rem; color: var(--text2); line-height: 1.7; }
.svc-arrow {
  position: absolute; bottom: 1.5rem; right: 1.5rem;
  color: var(--svc-color, var(--cyan)); opacity: 0;
  transition: opacity var(--transition), transform var(--transition);
}
.service-card:hover .svc-arrow { opacity: 1; transform: translateX(4px); }

/* ── TESTIMONIALS ── */
.testimonials-section {
  background: var(--bg);
  padding: 120px 0;
}
.testimonials-swiper { padding-bottom: 4rem !important; }
.testimonial-card {
  background: var(--card); border: 1px solid var(--card-border);
  border-radius: var(--radius-lg); padding: 2.5rem;
  height: auto;
}
.stars { color: var(--amber); font-size: 1.1rem; letter-spacing: 2px; margin-bottom: 1.2rem; }
.testimonial-text {
  font-size: 1rem; color: var(--text2); line-height: 1.8;
  font-style: italic; margin-bottom: 1.8rem;
  border-left: 3px solid var(--cyan); padding-left: 1rem;
}
.testimonial-author { display: flex; align-items: center; gap: 1rem; }
.author-avatar {
  width: 48px; height: 48px; border-radius: 50%; flex-shrink: 0;
  background: linear-gradient(135deg, var(--cyan), var(--purple));
  display: flex; align-items: center; justify-content: center;
  font-family: var(--font-head); font-size: .9rem; font-weight: 700; color: var(--bg);
}
.author-info strong { display: block; font-size: .95rem; color: var(--text1); margin-bottom: .1rem; }
.author-info span { font-size: .8rem; color: var(--text3); }
.swiper-button-prev, .swiper-button-next {
  color: var(--cyan) !important; transition: opacity var(--transition);
}
.swiper-button-prev::after, .swiper-button-next::after { font-size: 1.2rem !important; }
.swiper-pagination-bullet { background: var(--text3) !important; opacity: 1 !important; }
.swiper-pagination-bullet-active { background: var(--cyan) !important; }

/* ── CONTACT ── */
.contact-section { background: var(--bg2); }
.contact-grid { display: grid; grid-template-columns: 1fr 1.4fr; gap: 4rem; align-items: start; }
.contact-info-card {
  background: var(--card); border: 1px solid var(--card-border);
  border-radius: var(--radius-lg); padding: 2.5rem;
}
.contact-info-card h3 {
  font-family: var(--font-head); font-size: 1rem; font-weight: 600;
  color: var(--text1); margin-bottom: 1.2rem;
}
.contact-list { display: flex; flex-direction: column; gap: 1rem; }
.contact-list li { display: flex; align-items: flex-start; gap: 1rem; }
.contact-icon { font-size: 1.2rem; flex-shrink: 0; margin-top: .1rem; }
.contact-lbl { display: block; font-size: .72rem; color: var(--text3); letter-spacing: 1px; text-transform: uppercase; margin-bottom: .2rem; }
.contact-list a { color: var(--cyan); font-size: .9rem; transition: opacity var(--transition); }
.contact-list a:hover { opacity: .7; }
.contact-list span { font-size: .9rem; color: var(--text2); }
.freelance-links { display: grid; grid-template-columns: 1fr 1fr; gap: .6rem; }
.freelance-btn {
  display: flex; align-items: center; gap: .5rem;
  padding: .65rem 1rem; border-radius: var(--radius); background: var(--card);
  border: 1px solid var(--card-border); font-size: .85rem; color: var(--text2);
  transition: all var(--transition);
}
.freelance-btn:hover { border-color: var(--cyan); color: var(--cyan); background: rgba(0,212,255,.07); transform: translateY(-2px); }
.availability-badge {
  display: flex; align-items: center; gap: .6rem;
  margin-top: 1.5rem; padding: .75rem 1rem; border-radius: var(--radius);
  background: rgba(0,255,136,.07); border: 1px solid rgba(0,255,136,.2);
  font-size: .82rem; color: var(--green);
}
.avail-dot { width: 8px; height: 8px; border-radius: 50%; background: var(--green); flex-shrink: 0; animation: badgePulse 2s ease infinite; }

/* FORM */
.contact-form-wrap {
  background: var(--card); border: 1px solid var(--card-border);
  border-radius: var(--radius-lg); padding: 2.5rem;
}
.form-group { margin-bottom: 1.3rem; }
.form-group label { display: block; font-size: .82rem; color: var(--text2); margin-bottom: .5rem; font-weight: 500; }
.form-group input, .form-group textarea {
  width: 100%; background: rgba(255,255,255,.04); border: 1.5px solid var(--card-border);
  border-radius: 10px; padding: .85rem 1rem; color: var(--text1); font-size: .93rem;
  outline: none; transition: border-color var(--transition), box-shadow var(--transition);
  resize: vertical;
}
.form-group input:focus, .form-group textarea:focus {
  border-color: var(--cyan); box-shadow: 0 0 0 3px rgba(0,212,255,.1);
}
.form-group input::placeholder, .form-group textarea::placeholder { color: var(--text3); }
.form-status { margin-top: 1rem; font-size: .88rem; min-height: 1.5rem; }
.form-status.success { color: var(--green); }
.form-status.error { color: #f87171; }

/* ── FOOTER ── */
.footer {
  background: var(--bg); border-top: 1px solid var(--card-border);
  padding: 3rem 0; position: relative;
}
.footer-inner {
  max-width: 1280px; margin: 0 auto; padding: 0 2rem;
  display: flex; flex-direction: column; align-items: center; gap: 2rem; text-align: center;
}
.footer-logo {
  font-family: var(--font-head); font-size: 1.6rem; font-weight: 700;
  display: flex; gap: 0;
}
.footer-logo span:first-child { color: var(--text1); }
.footer-nav { display: flex; gap: 1.5rem; flex-wrap: wrap; justify-content: center; }
.footer-nav a { font-size: .88rem; color: var(--text3); transition: color var(--transition); }
.footer-nav a:hover { color: var(--cyan); }
.footer-social { display: flex; gap: .8rem; }
.social-icon {
  width: 42px; height: 42px; border-radius: 10px;
  background: var(--card); border: 1px solid var(--card-border);
  display: flex; align-items: center; justify-content: center;
  font-size: .82rem; font-weight: 700; color: var(--text3);
  font-family: var(--font-mono); transition: all var(--transition);
}
.social-icon:hover { background: rgba(0,212,255,.1); border-color: var(--cyan); color: var(--cyan); transform: translateY(-3px); }
.footer-copy { font-size: .8rem; color: var(--text3); }
.back-top {
  position: absolute; bottom: 3rem; right: 2rem;
  width: 44px; height: 44px; border-radius: 10px;
  background: var(--card); border: 1px solid var(--card-border);
  display: flex; align-items: center; justify-content: center;
  color: var(--text2); transition: all var(--transition);
  opacity: 0; pointer-events: none;
}
.back-top.visible { opacity: 1; pointer-events: all; }
.back-top:hover { background: rgba(0,212,255,.1); border-color: var(--cyan); color: var(--cyan); transform: translateY(-3px); }

/* ── RESPONSIVE ── */
@media (max-width: 1100px) {
  .projects-grid, .services-grid { grid-template-columns: repeat(2, 1fr); }
  .case-grid { grid-template-columns: 1fr; }
  .skills-layout { grid-template-columns: 1fr; }
  .skills-icons { grid-template-columns: repeat(4, 1fr); }
}

@media (max-width: 900px) {
  .about-grid { grid-template-columns: 1fr; gap: 3rem; }
  .avatar-wrap { justify-content: center; }
  .contact-grid { grid-template-columns: 1fr; }
  .hamburger { display: flex; }
  .nav-links { display: none; }
  .mobile-drawer { display: block; }
  .expertise-grid { grid-template-columns: 1fr; }
}

@media (max-width: 700px) {
  .section { padding: 80px 0; }
  .projects-grid, .services-grid { grid-template-columns: 1fr; }
  .hero-stats { gap: 0; }
  .stat { padding: .8rem 1.2rem; }
  .stat-sep { width: 40px; height: 1px; }
  .freelance-links { grid-template-columns: 1fr; }
  .skills-icons { grid-template-columns: repeat(3, 1fr); }
  .filter-tabs { gap: .4rem; }
}

@media (max-width: 480px) {
  .hero-cta { flex-direction: column; align-items: center; }
  .about-cta { flex-direction: column; }
  .container { padding: 0 1.2rem; }
  .hero-stats { flex-direction: row; }
}

/* ============================================================
   WHATSAPP FLOATING BUTTON
   ============================================================ */
.wa-wrap {
  position: fixed;
  bottom: 7rem;
  right: 2rem;
  z-index: 960;        /* above chatbot (950) */
  width: 58px;
  height: 58px;
  display: flex;
  align-items: center;
  justify-content: flex-end;
  pointer-events: auto;
}
.wa-pulse-ring {
  position: absolute;
  inset: 0;
  border-radius: 50%;
  background: rgba(37,211,102,.5);
  animation: waPulse 2.5s ease infinite;
  pointer-events: none;
  z-index: 0;
}
@keyframes waPulse {
  0%   { transform: scale(1);   opacity: .7; }
  70%  { transform: scale(1.7); opacity: 0; }
  100% { transform: scale(1.7); opacity: 0; }
}
.wa-float {
  position: relative;
  z-index: 1;
  display: inline-flex;
  align-items: center;
  gap: 0;
  background: #25D366;
  color: #fff;
  border-radius: 50%;
  width: 58px;
  height: 58px;
  flex-shrink: 0;
  justify-content: center;
  box-shadow: 0 8px 32px rgba(37,211,102,.5);
  text-decoration: none;
  font-weight: 600;
  font-size: .88rem;
  font-family: var(--font-body);
  white-space: nowrap;
  overflow: hidden;
  transition: width .45s cubic-bezier(.4,0,.2,1),
              border-radius .45s ease,
              gap .35s ease,
              padding .35s ease,
              box-shadow .3s ease,
              transform .3s ease;
}
.wa-float:hover {
  width: 210px;
  border-radius: 50px;
  gap: .65rem;
  padding: 0 1.3rem 0 .85rem;
  box-shadow: 0 12px 40px rgba(37,211,102,.65);
  transform: translateY(-3px);
}
.wa-float svg { flex-shrink: 0; display: block; min-width: 30px; }
.wa-label {
  max-width: 0;
  overflow: hidden;
  opacity: 0;
  transition: max-width .4s cubic-bezier(.4,0,.2,1) .05s,
              opacity .25s ease .15s;
  pointer-events: none;
}
.wa-float:hover .wa-label {
  max-width: 160px;
  opacity: 1;
}

/* ============================================================
   CHATBOT WIDGET
   ============================================================ */
.chatbot-wrap {
  position: fixed;
  bottom: 2rem;
  right: 2rem;
  z-index: 950;
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  gap: 1rem;
}

/* — Toggle button — */
.chatbot-toggle {
  position: relative;
  width: 58px; height: 58px; border-radius: 50%;
  background: linear-gradient(135deg, var(--cyan), var(--purple));
  color: #fff;
  display: flex; align-items: center; justify-content: center;
  box-shadow: 0 8px 30px rgba(0,212,255,.45);
  cursor: pointer;
  transition: transform .3s ease, box-shadow .3s ease;
  border: none;
  flex-shrink: 0;
}
.chatbot-toggle:hover {
  transform: scale(1.08);
  box-shadow: 0 12px 40px rgba(0,212,255,.6);
}
.chatbot-toggle-icon { display: flex; align-items: center; justify-content: center; }
.chatbot-notif {
  position: absolute;
  top: 2px; right: 2px;
  width: 20px; height: 20px; border-radius: 50%;
  background: #ef4444; color: #fff;
  font-size: .7rem; font-weight: 700;
  display: flex; align-items: center; justify-content: center;
  border: 2px solid var(--bg);
  animation: notifBounce 1.2s ease infinite;
}
@keyframes notifBounce {
  0%,100% { transform: scale(1); }
  40% { transform: scale(1.2); }
}

/* — Chat window — */
.chatbot-window {
  width: 360px;
  background: var(--bg2);
  border: 1px solid var(--card-border);
  border-radius: 20px;
  overflow: hidden;
  box-shadow: 0 30px 80px rgba(0,0,0,.6), 0 0 0 1px rgba(0,212,255,.1);
  display: flex;
  flex-direction: column;
  transform: scale(.85) translateY(20px);
  opacity: 0;
  pointer-events: none;
  transition: transform .35s cubic-bezier(.4,0,.2,1),
              opacity .35s ease;
  transform-origin: bottom right;
  max-height: 540px;
}
.chatbot-window.open {
  transform: scale(1) translateY(0);
  opacity: 1;
  pointer-events: all;
}

/* Header */
.chatbot-header {
  background: linear-gradient(135deg, rgba(0,212,255,.15), rgba(139,92,246,.12));
  border-bottom: 1px solid var(--card-border);
  padding: 1rem 1.2rem;
  display: flex; align-items: center; gap: .85rem;
}
.chatbot-avatar {
  position: relative;
  width: 44px; height: 44px; border-radius: 50%; flex-shrink: 0;
  background: linear-gradient(135deg, var(--cyan), var(--purple));
  display: flex; align-items: center; justify-content: center;
  font-family: var(--font-head); font-weight: 700; font-size: .9rem; color: var(--bg);
}
.chatbot-online {
  position: absolute; bottom: 2px; right: 2px;
  width: 11px; height: 11px; border-radius: 50%;
  background: var(--green); border: 2px solid var(--bg2);
}
.chatbot-info { flex: 1; }
.chatbot-info strong { display: block; font-size: .95rem; color: var(--text1); }
.chatbot-info span { font-size: .75rem; color: var(--green); }
.chatbot-close {
  color: var(--text3); transition: color .2s ease;
  display: flex; align-items: center; justify-content: center;
  padding: .3rem;
}
.chatbot-close:hover { color: var(--text1); }

/* Messages area */
.chatbot-messages {
  flex: 1; overflow-y: auto; padding: 1.2rem;
  display: flex; flex-direction: column; gap: .85rem;
  scroll-behavior: smooth;
  scrollbar-width: thin; scrollbar-color: var(--card-border) transparent;
  min-height: 260px; max-height: 300px;
}
.chatbot-messages::-webkit-scrollbar { width: 4px; }
.chatbot-messages::-webkit-scrollbar-thumb { background: var(--card-border); border-radius: 99px; }

/* Bubbles */
.msg {
  max-width: 82%;
  padding: .65rem .95rem;
  border-radius: 16px;
  font-size: .875rem;
  line-height: 1.55;
  animation: msgIn .3s ease;
}
@keyframes msgIn {
  from { opacity: 0; transform: translateY(10px); }
  to   { opacity: 1; transform: translateY(0); }
}
.msg.bot {
  background: var(--card);
  border: 1px solid var(--card-border);
  color: var(--text1);
  border-bottom-left-radius: 4px;
  align-self: flex-start;
}
.msg.user {
  background: linear-gradient(135deg, var(--cyan), var(--purple));
  color: #fff;
  border-bottom-right-radius: 4px;
  align-self: flex-end;
}
.msg-time {
  font-size: .68rem; color: var(--text3);
  align-self: flex-start; padding-left: .25rem; margin-top: -.4rem;
}
.msg-time.user-time { align-self: flex-end; padding-left: 0; padding-right: .25rem; }

/* Typing indicator */
.typing-indicator {
  display: flex; align-items: center; gap: 4px;
  padding: .7rem .95rem;
  background: var(--card); border: 1px solid var(--card-border);
  border-radius: 16px; border-bottom-left-radius: 4px;
  align-self: flex-start;
  animation: msgIn .3s ease;
}
.typing-dot {
  width: 7px; height: 7px; border-radius: 50%; background: var(--text3);
  animation: typingBounce 1.2s ease infinite;
}
.typing-dot:nth-child(2) { animation-delay: .2s; }
.typing-dot:nth-child(3) { animation-delay: .4s; }
@keyframes typingBounce {
  0%,60%,100% { transform: translateY(0); }
  30% { transform: translateY(-5px); background: var(--cyan); }
}

/* Quick replies */
.chatbot-quick {
  padding: .6rem 1.2rem;
  display: flex; flex-wrap: wrap; gap: .45rem;
  border-top: 1px solid var(--card-border);
}
.quick-btn {
  padding: .38rem .85rem; border-radius: 50px;
  border: 1.5px solid rgba(0,212,255,.35); color: var(--cyan);
  background: rgba(0,212,255,.06); font-size: .78rem; font-weight: 500;
  cursor: pointer; transition: all .2s ease;
  font-family: var(--font-body);
}
.quick-btn:hover {
  background: rgba(0,212,255,.15); border-color: var(--cyan);
  transform: translateY(-1px);
}

/* Input row */
.chatbot-input-row {
  display: flex; gap: .6rem; align-items: center;
  padding: .9rem 1.2rem;
  border-top: 1px solid var(--card-border);
  background: var(--bg);
}
.chatbot-input {
  flex: 1;
  background: var(--card); border: 1.5px solid var(--card-border);
  border-radius: 50px; padding: .6rem 1rem;
  color: var(--text1); font-size: .875rem; outline: none;
  transition: border-color .2s ease;
}
.chatbot-input:focus { border-color: var(--cyan); }
.chatbot-input::placeholder { color: var(--text3); }
.chatbot-send {
  width: 40px; height: 40px; border-radius: 50%; flex-shrink: 0;
  background: linear-gradient(135deg, var(--cyan), var(--purple));
  color: #fff; display: flex; align-items: center; justify-content: center;
  cursor: pointer; transition: transform .2s ease, box-shadow .2s ease;
  border: none;
}
.chatbot-send:hover { transform: scale(1.1); box-shadow: 0 6px 20px rgba(0,212,255,.4); }

/* Mobile adjustments */
@media (max-width: 480px) {
  .chatbot-window { width: calc(100vw - 2.5rem); }
  .wa-wrap { bottom: 7.5rem; right: 1.2rem; width: 54px; height: 54px; }
  .wa-float { width: 54px; height: 54px; }
  .chatbot-wrap { bottom: 1.2rem; right: 1.2rem; }
}