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

:root {
  --deep-purple: #2D1B69;
  --deep-purple-2: #f0edf8;
  --teal: #1a9e97;
  --teal-light: #20B2AA;
  --teal-glow: rgba(26, 158, 151, 0.2);
  --white: #ffffff;
  --glass-bg: rgba(255, 255, 255, 0.7);
  --glass-border: rgba(45, 27, 105, 0.08);
  --glass-shadow: 0 4px 24px rgba(45, 27, 105, 0.06);
  --text-primary: #1a0a3e;
  --text-secondary: rgba(26, 10, 62, 0.65);
  --text-muted: rgba(26, 10, 62, 0.4);
  --radius: 20px;
  --radius-sm: 12px;
  --whatsapp-green: #25D366;
}

html { scroll-behavior: smooth; }
body {
  font-family: 'Inter', sans-serif;
  background: var(--deep-purple-2);
  color: var(--text-primary);
  overflow-x: hidden;
  line-height: 1.6;
}

/* ===== ANIMATED BG ===== */
.bg-grid {
  position: fixed; inset: 0; z-index: 0;
  background-image:
    radial-gradient(circle at 20% 50%, rgba(45, 27, 105, 0.04) 0%, transparent 50%),
    radial-gradient(circle at 80% 20%, rgba(32, 178, 170, 0.06) 0%, transparent 40%),
    radial-gradient(circle at 50% 80%, rgba(45, 27, 105, 0.03) 0%, transparent 40%);
  pointer-events: none;
}
.bg-grid::before {
  content: '';
  position: absolute; inset: 0;
  background-image:
    linear-gradient(rgba(45,27,105,0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(45,27,105,0.04) 1px, transparent 1px);
  background-size: 60px 60px;
}
.orb {
  position: fixed; border-radius: 50%; filter: blur(80px); pointer-events: none; z-index: 0;
  animation: orbFloat 20s ease-in-out infinite;
}
.orb-1 { width: 500px; height: 500px; background: rgba(45, 27, 105, 0.06); top: -10%; left: -10%; animation-delay: 0s; }
.orb-2 { width: 400px; height: 400px; background: rgba(32, 178, 170, 0.06); bottom: -10%; right: -10%; animation-delay: -7s; }
.orb-3 { width: 300px; height: 300px; background: rgba(45, 27, 105, 0.04); top: 50%; left: 50%; transform: translate(-50%,-50%); animation-delay: -14s; }
@keyframes orbFloat {
  0%, 100% { transform: translate(0, 0) scale(1); }
  25% { transform: translate(60px, -80px) scale(1.1); }
  50% { transform: translate(-40px, 60px) scale(0.95); }
  75% { transform: translate(80px, 40px) scale(1.05); }
}

/* ===== SCROLLBAR ===== */
::-webkit-scrollbar { width: 8px; }
::-webkit-scrollbar-track { background: var(--deep-purple-2); }
::-webkit-scrollbar-thumb { background: var(--teal); border-radius: 4px; }
::-webkit-scrollbar-thumb:hover { background: var(--teal-light); }

/* ===== UTILITY ===== */
.container { max-width: 1200px; margin: 0 auto; padding: 0 24px; position: relative; z-index: 1; }
section { padding: 100px 0; position: relative; z-index: 1; }
.section-label {
  display: inline-block;
  font-size: 0.8rem; font-weight: 600; letter-spacing: 3px; text-transform: uppercase;
  color: var(--teal);
  margin-bottom: 12px;
}
.section-title {
  font-family: 'Space Grotesk', sans-serif;
  font-size: clamp(2rem, 5vw, 3.2rem); font-weight: 700;
  margin-bottom: 16px;
  background: linear-gradient(135deg, var(--deep-purple) 40%, var(--teal-light) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.section-sub {
  color: var(--text-secondary);
  font-size: 1.05rem; max-width: 600px;
  margin-bottom: 50px;
}

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

/* ===== NAVBAR ===== */
.navbar {
  position: fixed; top: 0; left: 0; right: 0; z-index: 1000;
  padding: 16px 0;
  transition: all 0.4s ease;
}
.navbar.scrolled {
  background: rgba(255, 255, 255, 0.82);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--glass-border);
  padding: 10px 0;
}
.navbar .container { display: flex; align-items: center; justify-content: space-between; }
.nav-logo {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 1.4rem; font-weight: 700;
  color: var(--deep-purple); text-decoration: none;
}
.nav-logo span { color: var(--teal); }
.nav-links { display: flex; gap: 28px; align-items: center; }
.nav-links a {
  color: var(--text-secondary); text-decoration: none;
  font-size: 0.85rem; font-weight: 500;
  transition: color 0.3s;
  position: relative;
}
.nav-links a::after {
  content: ''; position: absolute; bottom: -4px; left: 0;
  width: 0; height: 2px; background: var(--teal);
  transition: width 0.3s;
}
.nav-links a:hover { color: var(--deep-purple); }
.nav-links a:hover::after { width: 100%; }
.nav-cta {
  background: linear-gradient(135deg, var(--teal), #148f8a);
  color: #fff !important; padding: 8px 20px; border-radius: 50px;
  font-weight: 600;
}
.nav-cta::after { display: none !important; }
.nav-cta:hover { transform: scale(1.05); }
.nav-toggle { display: none; background: none; border: none; color: var(--deep-purple); font-size: 1.5rem; cursor: pointer; }

/* ===== HERO ===== */
.hero {
  min-height: 100vh; display: flex; align-items: center;
  padding-top: 100px; position: relative; overflow: hidden;
}
.hero-content { display: grid; grid-template-columns: 1fr 1fr; gap: 60px; align-items: center; }
.hero-badge {
  display: inline-flex; align-items: center; gap: 8px;
  background: rgba(32, 178, 170, 0.08); border: 1px solid rgba(32, 178, 170, 0.2);
  padding: 6px 16px; border-radius: 50px; font-size: 0.8rem; font-weight: 500;
  color: var(--teal); margin-bottom: 24px;
}
.hero-badge i { font-size: 0.7rem; }
.hero h1 {
  font-family: 'Space Grotesk', sans-serif;
  font-size: clamp(2.5rem, 6vw, 4rem); font-weight: 700;
  line-height: 1.1; margin-bottom: 20px;
  color: var(--deep-purple);
}
.hero h1 .gradient-text {
  background: linear-gradient(135deg, var(--teal), var(--deep-purple));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.hero p {
  color: var(--text-secondary); font-size: 1.1rem;
  max-width: 520px; margin-bottom: 36px;
}
.hero-buttons { display: flex; gap: 16px; flex-wrap: wrap; }
.btn {
  display: inline-flex; align-items: center; gap: 10px;
  padding: 14px 32px; border-radius: 50px; font-weight: 600;
  font-size: 0.95rem; text-decoration: none;
  transition: all 0.3s ease; cursor: pointer; border: none;
}
.btn-primary {
  background: linear-gradient(135deg, var(--teal), #148f8a);
  color: #fff; box-shadow: 0 4px 20px var(--teal-glow);
}
.btn-primary:hover { transform: translateY(-3px); box-shadow: 0 8px 30px var(--teal-glow); }
.btn-outline {
  background: transparent; color: var(--deep-purple);
  border: 1.5px solid var(--glass-border);
}
.btn-outline:hover { border-color: var(--teal); color: var(--teal); transform: translateY(-3px); }

.hero-visual { display: flex; justify-content: center; align-items: center; position: relative; }
.hero-circle {
  width: 400px; height: 400px; border-radius: 50%;
  background: linear-gradient(135deg, rgba(32,178,170,0.08), rgba(45,27,105,0.08));
  border: 1px solid rgba(45,27,105,0.1);
  display: flex; align-items: center; justify-content: center;
  position: relative; animation: pulseGlow 4s ease-in-out infinite;
  overflow: hidden;
}
.hero-circle img {
  width: 100%; height: 100%; object-fit: cover;
  border-radius: 50%; opacity: 0.9;
}
@keyframes pulseGlow {
  0%, 100% { box-shadow: 0 0 40px rgba(32,178,170,0.08); }
  50% { box-shadow: 0 0 80px rgba(32,178,170,0.15); }
}
.hero-circle-inner {
  position: absolute; inset: 0;
  display: flex; align-items: center; justify-content: center;
  flex-direction: column; text-align: center;
}
.hero-circle-inner .initials {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 3.5rem; font-weight: 800;
  background: linear-gradient(135deg, var(--teal), var(--deep-purple));
  -webkit-background-clip: text; -webkit-text-fill-color: transparent;
  background-clip: text;
}
.hero-circle-inner .tagline {
  font-size: 0.8rem; color: var(--text-muted); margin-top: 4px;
  -webkit-text-fill-color: var(--text-muted);
}
.hero-float-icon {
  position: absolute; width: 52px; height: 52px; border-radius: 50%;
  background: var(--glass-bg); backdrop-filter: blur(12px);
  border: 1px solid var(--glass-border);
  display: flex; align-items: center; justify-content: center;
  font-size: 1.2rem; color: var(--teal);
  animation: floatY 6s ease-in-out infinite;
}
.hero-float-icon:nth-child(2) { top: 10%; right: 5%; animation-delay: -1s; }
.hero-float-icon:nth-child(3) { bottom: 15%; left: 5%; animation-delay: -3s; }
.hero-float-icon:nth-child(4) { top: 50%; right: -2%; animation-delay: -5s; }
@keyframes floatY {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-15px); }
}

/* ===== ABOUT ===== */
.about-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 60px; align-items: center; }
.about-image { position: relative; }
.about-image-card {
  aspect-ratio: 4/5; border-radius: var(--radius);
  overflow: hidden; position: relative;
}
.about-image-card img {
  width: 100%; height: 100%; object-fit: cover;
  display: block;
}
.about-exp-badge {
  position: absolute; bottom: -20px; right: -20px;
  background: var(--white);
  border: 1px solid var(--glass-border);
  backdrop-filter: blur(16px);
  padding: 20px 28px; border-radius: var(--radius-sm);
  text-align: center;
  box-shadow: 0 4px 20px rgba(45,27,105,0.06);
}
.about-exp-badge .num {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 2rem; font-weight: 800; color: var(--teal);
}
.about-exp-badge .lbl { font-size: 0.75rem; color: var(--text-muted); }
.about-text h3 {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 1.6rem; margin-bottom: 16px;
  color: var(--deep-purple);
}
.about-text p {
  color: var(--text-secondary); margin-bottom: 20px;
  font-size: 0.95rem; line-height: 1.8;
}
.about-stats {
  display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; margin-top: 32px;
}
.about-stat {
  text-align: center; padding: 16px;
  background: var(--glass-bg); border-radius: var(--radius-sm);
  border: 1px solid var(--glass-border);
}
.about-stat .num {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 1.6rem; font-weight: 700; color: var(--teal);
}
.about-stat .lbl { font-size: 0.75rem; color: var(--text-muted); margin-top: 4px; }

/* ===== SKILLS ===== */
.skills-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 24px; }
.skill-item { padding: 20px 24px; cursor: default; transition: all 0.3s ease; }
.skill-item:hover { border-color: rgba(32,178,170,0.25); transform: translateY(-4px); }
.skill-header { display: flex; align-items: center; gap: 14px; margin-bottom: 12px; }
.skill-header i {
  width: 40px; height: 40px; border-radius: 10px;
  background: rgba(32,178,170,0.08); border: 1px solid rgba(32,178,170,0.12);
  display: flex; align-items: center; justify-content: center;
  font-size: 1.1rem; color: var(--teal); flex-shrink: 0;
}
.skill-header .info { flex: 1; }
.skill-header .info h4 { font-size: 0.9rem; font-weight: 600; }
.skill-header .info span { font-size: 0.75rem; color: var(--text-muted); }
.skill-bar { height: 6px; background: rgba(45,27,105,0.06); border-radius: 3px; overflow: hidden; }
.skill-bar-fill {
  height: 100%; border-radius: 3px;
  background: linear-gradient(90deg, var(--teal), var(--teal-light));
  width: 0; transition: width 1.5s cubic-bezier(0.22, 1, 0.36, 1);
}

/* ===== MODULES ===== */
.modules-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.module-card {
  padding: 28px 24px; text-align: center;
  transition: all 0.4s ease; cursor: default;
}
.module-card:hover {
  transform: translateY(-8px);
  border-color: rgba(32,178,170,0.25);
  box-shadow: 0 16px 48px rgba(45, 27, 105, 0.08);
}
.module-icon {
  width: 64px; height: 64px; border-radius: 16px;
  background: linear-gradient(135deg, rgba(32,178,170,0.08), rgba(45,27,105,0.06));
  border: 1px solid var(--glass-border);
  display: flex; align-items: center; justify-content: center;
  margin: 0 auto 16px; font-size: 1.5rem; color: var(--teal);
}
.module-card h4 { font-size: 1rem; font-weight: 600; margin-bottom: 8px; color: var(--deep-purple); }
.module-card p { font-size: 0.82rem; color: var(--text-muted); line-height: 1.6; }

/* ===== PROJECTS ===== */
.projects-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.project-card { padding: 0; overflow: hidden; transition: all 0.4s ease; cursor: default; }
.project-card:hover { transform: translateY(-8px); border-color: rgba(32,178,170,0.25); }
.project-thumb {
  height: 180px; position: relative; overflow: hidden;
}
.project-thumb img {
  width: 100%; height: 100%; object-fit: cover; display: block;
}
.project-thumb .tag {
  position: absolute; top: 12px; right: 12px;
  font-size: 0.65rem; font-weight: 600; padding: 4px 12px;
  border-radius: 50px; background: var(--teal);
  color: #fff; border: none;
}
.project-body { padding: 20px 24px 24px; }
.project-body h4 { font-size: 1rem; font-weight: 600; margin-bottom: 6px; }
.project-body p {
  font-size: 0.82rem; color: var(--text-muted); line-height: 1.6; margin-bottom: 14px;
}
.project-tags { display: flex; gap: 6px; flex-wrap: wrap; }
.project-tags span {
  font-size: 0.65rem; padding: 3px 10px; border-radius: 50px;
  background: rgba(45,27,105,0.04); border: 1px solid var(--glass-border);
  color: var(--text-muted);
}

/* ===== SLIDER / CAROUSEL ===== */
.slider-section { overflow: hidden; }
.slider-container { position: relative; }
.slider-track {
  display: flex; gap: 24px;
  transition: transform 0.6s cubic-bezier(0.22, 1, 0.36, 1);
  will-change: transform;
}
.slider-slide {
  min-width: calc(33.333% - 16px); flex-shrink: 0;
}
.slider-slide .glass { overflow: hidden; }
.slider-slide img {
  width: 100%; height: 200px; object-fit: cover; display: block;
  border-radius: var(--radius) var(--radius) 0 0;
}
.slider-slide .slide-body { padding: 20px 24px 24px; }
.slider-slide .slide-body h4 { font-size: 1rem; font-weight: 600; margin-bottom: 6px; }
.slider-slide .slide-body p { font-size: 0.82rem; color: var(--text-muted); line-height: 1.6; }

.slider-controls {
  display: flex; justify-content: center; gap: 12px; margin-top: 32px;
}
.slider-btn {
  width: 44px; height: 44px; border-radius: 50%;
  background: var(--glass-bg); border: 1px solid var(--glass-border);
  color: var(--deep-purple); font-size: 1rem;
  display: flex; align-items: center; justify-content: center;
  cursor: pointer; transition: all 0.3s;
}
.slider-btn:hover {
  background: rgba(32,178,170,0.08); border-color: var(--teal);
  color: var(--teal);
}
.slider-dots {
  display: flex; justify-content: center; gap: 8px; margin-top: 16px;
}
.slider-dot {
  width: 10px; height: 10px; border-radius: 50%;
  background: rgba(45,27,105,0.12); border: none; cursor: pointer;
  transition: all 0.3s;
}
.slider-dot.active { background: var(--teal); width: 28px; border-radius: 5px; }

/* ===== TOOLS ===== */
.tools-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; }
.tool-item { padding: 24px 16px; text-align: center; transition: all 0.3s ease; cursor: default; }
.tool-item:hover { transform: translateY(-6px) scale(1.02); border-color: rgba(32,178,170,0.25); }
.tool-item .tool-icon {
  width: 56px; height: 56px; border-radius: 14px;
  background: linear-gradient(135deg, rgba(32,178,170,0.08), rgba(45,27,105,0.06));
  border: 1px solid var(--glass-border);
  display: flex; align-items: center; justify-content: center;
  margin: 0 auto 12px; font-size: 1.3rem; color: var(--teal);
}
.tool-item h5 { font-size: 0.85rem; font-weight: 600; margin-bottom: 4px; }
.tool-item span { font-size: 0.72rem; color: var(--text-muted); }

/* ===== TIMELINE ===== */
.timeline { position: relative; padding-left: 40px; }
.timeline::before {
  content: ''; position: absolute; left: 15px; top: 0; bottom: 0;
  width: 2px; background: linear-gradient(to bottom, var(--teal), transparent);
}
.timeline-item {
  position: relative; margin-bottom: 36px; padding: 24px 28px;
  transition: all 0.3s ease;
}
.timeline-item:hover { border-color: rgba(32,178,170,0.25); }
.timeline-item::before {
  content: ''; position: absolute; left: -28px; top: 28px;
  width: 12px; height: 12px; border-radius: 50%;
  background: var(--teal); border: 3px solid var(--deep-purple-2);
  box-shadow: 0 0 0 2px var(--teal);
}
.timeline-item .date {
  font-size: 0.75rem; font-weight: 600; color: var(--teal); margin-bottom: 4px;
}
.timeline-item h4 { font-size: 1rem; font-weight: 600; margin-bottom: 4px; }
.timeline-item p { font-size: 0.85rem; color: var(--text-muted); }

/* ===== CONTACT ===== */
.contact-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 60px; }
.contact-info h4 { font-family: 'Space Grotesk', sans-serif; font-size: 1.3rem; margin-bottom: 16px; color: var(--deep-purple); }
.contact-info > p { color: var(--text-secondary); font-size: 0.95rem; margin-bottom: 32px; }
.contact-detail { display: flex; align-items: center; gap: 16px; margin-bottom: 20px; }
.contact-detail i {
  width: 44px; height: 44px; border-radius: 12px;
  background: rgba(32,178,170,0.08); border: 1px solid rgba(32,178,170,0.12);
  display: flex; align-items: center; justify-content: center;
  font-size: 1rem; color: var(--teal); flex-shrink: 0;
}
.contact-detail .cd-lbl { font-size: 0.75rem; color: var(--text-muted); }
.contact-detail .cd-val { font-size: 0.9rem; color: var(--text-primary); font-weight: 500; }
.contact-detail .cd-val a { color: inherit; text-decoration: none; }
.contact-detail .cd-val a:hover { color: var(--teal); }
.contact-form { display: flex; flex-direction: column; gap: 16px; }
.contact-form input,
.contact-form textarea {
  width: 100%; padding: 14px 18px; border-radius: var(--radius-sm);
  background: var(--glass-bg); border: 1px solid var(--glass-border);
  color: var(--text-primary); font-family: 'Inter', sans-serif;
  font-size: 0.9rem; outline: none; transition: border 0.3s;
}
.contact-form input:focus,
.contact-form textarea:focus { border-color: var(--teal); }
.contact-form input::placeholder,
.contact-form textarea::placeholder { color: var(--text-muted); }
.contact-form textarea { min-height: 120px; resize: vertical; }
.contact-form .btn { align-self: flex-start; }

/* ===== WHATSAPP FLOATING BUTTON ===== */
.whatsapp-float {
  position: fixed; bottom: 24px; right: 24px; z-index: 999;
  width: 60px; height: 60px; border-radius: 50%;
  background: var(--whatsapp-green);
  display: flex; align-items: center; justify-content: center;
  color: #fff; font-size: 1.6rem; text-decoration: none;
  box-shadow: 0 4px 20px rgba(37, 211, 102, 0.4);
  transition: all 0.3s ease;
  animation: whatsappPulse 2s ease-in-out infinite;
}
.whatsapp-float:hover {
  transform: scale(1.1);
  box-shadow: 0 6px 30px rgba(37, 211, 102, 0.6);
}
@keyframes whatsappPulse {
  0%, 100% { box-shadow: 0 4px 20px rgba(37, 211, 102, 0.4); }
  50% { box-shadow: 0 4px 35px rgba(37, 211, 102, 0.7); }
}
.whatsapp-tooltip {
  position: absolute; right: 70px; top: 50%; transform: translateY(-50%);
  background: var(--white);
  border: 1px solid var(--glass-border);
  box-shadow: var(--glass-shadow);
  color: var(--text-primary); font-size: 0.8rem; font-weight: 500;
  padding: 8px 16px; border-radius: 8px;
  white-space: nowrap; opacity: 0; pointer-events: none;
  transition: opacity 0.3s;
}
.whatsapp-float:hover .whatsapp-tooltip { opacity: 1; }

/* ===== FOOTER ===== */
footer {
  padding: 40px 0; border-top: 1px solid var(--glass-border);
  text-align: center; position: relative; z-index: 1;
}
footer .social-links {
  display: flex; justify-content: center; gap: 16px; margin-bottom: 20px;
}
footer .social-links a {
  width: 40px; height: 40px; border-radius: 50%;
  background: var(--glass-bg); border: 1px solid var(--glass-border);
  display: flex; align-items: center; justify-content: center;
  color: var(--text-secondary); text-decoration: none;
  transition: all 0.3s;
}
footer .social-links a:hover {
  background: rgba(32,178,170,0.08); border-color: var(--teal);
  color: var(--teal); transform: translateY(-3px);
}
footer p { font-size: 0.8rem; color: var(--text-muted); }

/* ===== REVEAL ===== */
.reveal {
  opacity: 0; transform: translateY(40px);
  transition: opacity 0.8s ease, transform 0.8s ease;
}
.reveal.visible { opacity: 1; transform: translateY(0); }
.reveal-delay-1 { transition-delay: 0.1s; }
.reveal-delay-2 { transition-delay: 0.2s; }
.reveal-delay-3 { transition-delay: 0.3s; }
.reveal-delay-4 { transition-delay: 0.4s; }

/* ===== RESPONSIVE ===== */
@media (max-width: 1024px) {
  .hero-content { grid-template-columns: 1fr; text-align: center; }
  .hero p { margin: 0 auto 36px; }
  .hero-buttons { justify-content: center; }
  .hero-visual { display: none; }
  .about-grid { grid-template-columns: 1fr; }
  .about-image { max-width: 360px; margin: 0 auto; }
  .modules-grid { grid-template-columns: repeat(2, 1fr); }
  .projects-grid { grid-template-columns: repeat(2, 1fr); }
  .slider-slide { min-width: calc(50% - 12px); }
  .tools-grid { grid-template-columns: repeat(3, 1fr); }
  .contact-grid { grid-template-columns: 1fr; }
}
@media (max-width: 768px) {
  .nav-links {
    display: none; flex-direction: column; position: absolute; top: 100%; left: 0; right: 0;
    background: rgba(255, 255, 255, 0.95); backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--glass-border); padding: 20px; gap: 16px;
  }
  .nav-links.open { display: flex; }
  .nav-toggle { display: block; }
  .skills-grid { grid-template-columns: 1fr; }
  .modules-grid { grid-template-columns: 1fr; }
  .projects-grid { grid-template-columns: 1fr; }
  .slider-slide { min-width: 100%; }
  .tools-grid { grid-template-columns: repeat(2, 1fr); }
  .about-stats { grid-template-columns: repeat(3, 1fr); gap: 10px; }
  .about-exp-badge { right: 0; }
  section { padding: 60px 0; }
}
@media (max-width: 480px) {
  .tools-grid { grid-template-columns: 1fr 1fr; }
  .about-stats { grid-template-columns: 1fr; }
  .hero h1 { font-size: 2rem; }
  .whatsapp-float { width: 50px; height: 50px; font-size: 1.3rem; bottom: 16px; right: 16px; }
}