/* ===== RESET & VARIABLES ===== */
*, *::before, *::after { margin: 0; padding: 0; box-sizing: border-box; }
:root {
  --bg: #f8f9fe;
  --bg2: #f0f2f9;
  --surface: rgba(0,0,0,0.02);
  --surface-hover: rgba(0,0,0,0.04);
  --glass: rgba(255,255,255,0.8);
  --glass-border: rgba(0,0,0,0.08);
  --text: #1a1d2e;
  --text-muted: #5a6178;
  --accent1: #6c5ce7;
  --accent2: #00cec9;
  --accent3: #fd79a8;
  --gold: #fdcb6e;
  --gradient: linear-gradient(135deg, #6c5ce7, #00cec9);
  --gradient-text: linear-gradient(135deg, #6c5ce7, #00cec9, #fd79a8);
  --radius: 20px;
  --radius-sm: 12px;
  --transition: 0.4s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}
html { scroll-behavior: smooth; }
body {
  font-family: 'Inter', sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.7;
  overflow-x: hidden;
}
::selection { background: var(--accent1); color: #fff; }
::-webkit-scrollbar { width: 6px; }
::-webkit-scrollbar-track { background: var(--bg); }
::-webkit-scrollbar-thumb { background: var(--accent1); border-radius: 3px; }
img { max-width: 100%; height: auto; display: block; }
a { text-decoration: none; color: inherit; }

/* ===== PARTICLES CANVAS ===== */
#particles {
  position: fixed;
  inset: 0;
  z-index: 0;
  pointer-events: none;
}

/* ===== UTILITY ===== */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
  position: relative;
  z-index: 1;
}
section {
  padding: 100px 0;
  position: relative;
}
.section-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 3px;
  text-transform: uppercase;
  color: var(--accent2);
  background: rgba(0,206,201,0.1);
  padding: 6px 16px;
  border-radius: 100px;
  margin-bottom: 16px;
  border: 1px solid rgba(0,206,201,0.15);
}
.section-badge i { font-size: 0.6rem; }
.section-title {
  font-family: 'Playfair Display', serif;
  font-size: clamp(2.2rem, 5vw, 3.5rem);
  font-weight: 700;
  line-height: 1.15;
  margin-bottom: 20px;
}
.section-title .highlight {
  background: var(--gradient-text);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.section-desc {
  color: var(--text-muted);
  font-size: 1.1rem;
  max-width: 600px;
  line-height: 1.8;
}
.glass {
  background: var(--glass);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius);
}

/* ===== REVEAL ANIMATIONS ===== */
.reveal { opacity: 0; transform: translateY(40px); transition: opacity 0.8s ease, transform 0.8s ease; }
.reveal.visible { opacity: 1; transform: translateY(0); }
.reveal-left { opacity: 0; transform: translateX(-50px); transition: opacity 0.8s ease, transform 0.8s ease; }
.reveal-left.visible { opacity: 1; transform: translateX(0); }
.reveal-right { opacity: 0; transform: translateX(50px); transition: opacity 0.8s ease, transform 0.8s ease; }
.reveal-right.visible { opacity: 1; transform: translateX(0); }

/* ===== NAV ===== */
nav {
  position: fixed; top: 0; left: 0; right: 0; z-index: 1000;
  padding: 16px 0;
  transition: var(--transition);
}
nav.scrolled {
  background: rgba(255,255,255,0.85);
  backdrop-filter: blur(30px);
  -webkit-backdrop-filter: blur(30px);
  border-bottom: 1px solid rgba(0,0,0,0.06);
  padding: 10px 0;
}
nav .container { display: flex; align-items: center; justify-content: space-between; }
.logo {
  font-family: 'Playfair Display', serif;
  font-size: 1.6rem;
  font-weight: 700;
  background: var(--gradient-text);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.nav-links { display: flex; gap: 32px; list-style: none; align-items: center; }
.nav-links a {
  color: var(--text-muted);
  font-size: 0.85rem;
  font-weight: 500;
  transition: var(--transition);
  position: relative;
}
.nav-links a::after {
  content: '';
  position: absolute;
  bottom: -4px; left: 0;
  width: 0; height: 2px;
  background: var(--gradient);
  transition: var(--transition);
}
.nav-links a:hover { color: var(--text); }
.nav-links a:hover::after { width: 100%; }
.nav-cta {
  background: var(--gradient);
  color: #fff !important;
  padding: 8px 20px;
  border-radius: 100px;
  font-weight: 600 !important;
}
.nav-cta::after { display: none !important; }
.nav-cta:hover { opacity: 0.9; color: #fff !important; }
.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  background: none;
  border: none;
  padding: 4px;
}
.hamburger span {
  width: 26px; height: 2px;
  background: var(--text);
  border-radius: 2px;
  transition: var(--transition);
}

/* ===== HERO ===== */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding-top: 80px;
  position: relative;
  overflow: hidden;
}
.hero-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
}
.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(108,92,231,0.15);
  border: 1px solid rgba(108,92,231,0.2);
  padding: 8px 20px;
  border-radius: 100px;
  font-size: 0.8rem;
  font-weight: 500;
  color: var(--accent1);
  margin-bottom: 24px;
}
.hero h1 {
  font-family: 'Playfair Display', serif;
  font-size: clamp(2.8rem, 6vw, 4.2rem);
  font-weight: 700;
  line-height: 1.1;
  margin-bottom: 20px;
}
.hero h1 .highlight {
  background: var(--gradient-text);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.hero p {
  color: var(--text-muted);
  font-size: 1.15rem;
  line-height: 1.8;
  margin-bottom: 36px;
  max-width: 520px;
}
.hero-actions { display: flex; gap: 16px; flex-wrap: wrap; }

/* ===== BUTTONS ===== */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 14px 32px;
  border-radius: 100px;
  font-weight: 600;
  font-size: 0.9rem;
  text-decoration: none;
  transition: var(--transition);
  border: none;
  cursor: pointer;
}
.btn-primary { background: var(--gradient); color: #fff; }
.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 12px 40px rgba(108,92,231,0.35); }
.btn-secondary { background: var(--glass); border: 1px solid var(--glass-border); color: var(--text); }
.btn-secondary:hover { background: var(--surface-hover); transform: translateY(-2px); }
.btn-email {
  background: linear-gradient(135deg, #6c5ce7, #fd79a8);
  color: #fff;
  font-size: 1.05rem;
  padding: 18px 40px;
}
.btn-email:hover { transform: translateY(-2px); box-shadow: 0 12px 40px rgba(108,92,231,0.4); }

/* ===== HERO VISUAL ===== */
.hero-visual { position: relative; display: flex; justify-content: center; align-items: center; }
.hero-ring {
  width: 420px; height: 420px;
  border-radius: 50%;
  background: conic-gradient(from 0deg, #6c5ce7, #00cec9, #fd79a8, #6c5ce7);
  animation: spin 20s linear infinite;
  position: relative;
  filter: blur(2px);
  opacity: 0.5;
}
.hero-ring-inner {
  position: absolute;
  width: 320px; height: 320px;
  border-radius: 50%;
  background: var(--bg);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 5rem;
}
@keyframes spin { to { transform: rotate(360deg); } }
.hero-image-wrapper {
  position: relative;
  width: 380px;
  height: 380px;
  border-radius: 50%;
  overflow: hidden;
  border: 3px solid rgba(108,92,231,0.3);
  box-shadow: 0 0 60px rgba(108,92,231,0.2);
}
.hero-image-wrapper img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.hero-stats {
  display: flex;
  gap: 40px;
  margin-top: 40px;
  padding: 24px 32px;
  background: var(--glass);
  backdrop-filter: blur(20px);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-sm);
}
.hero-stat h3 {
  font-size: 1.8rem;
  font-weight: 700;
  background: var(--gradient-text);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.hero-stat p { font-size: 0.8rem; color: var(--text-muted); margin: 0; }

/* Orbs */
.orb {
  position: fixed;
  border-radius: 50%;
  filter: blur(80px);
  pointer-events: none;
  z-index: 0;
}
.orb-1 { width: 400px; height: 400px; background: rgba(108,92,231,0.06); top: -100px; right: -100px; }
.orb-2 { width: 300px; height: 300px; background: rgba(0,206,201,0.04); bottom: -50px; left: -50px; }
.orb-3 { width: 250px; height: 250px; background: rgba(253,121,168,0.03); top: 50%; left: 50%; transform: translate(-50%,-50%); }

/* ===== ABOUT ===== */
.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
}
.about-image { position: relative; }
.about-img {
  width: 100%;
  aspect-ratio: 1;
  border-radius: var(--radius);
  overflow: hidden;
  border: 1px solid var(--glass-border);
}
.about-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: var(--transition);
}
.about-img:hover img { transform: scale(1.05); }
.about-experience {
  position: absolute;
  bottom: -20px;
  right: -20px;
  background: var(--bg);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-sm);
  padding: 20px 28px;
  text-align: center;
}
.about-experience h3 {
  font-size: 2.2rem;
  font-weight: 700;
  background: var(--gradient-text);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.about-experience p { font-size: 0.8rem; color: var(--text-muted); }
.about-text h2 { margin-bottom: 20px; }
.about-text p { color: var(--text-muted); margin-bottom: 16px; }
.about-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 24px;
}
.about-tags span {
  background: var(--surface);
  border: 1px solid var(--glass-border);
  padding: 6px 16px;
  border-radius: 100px;
  font-size: 0.8rem;
  color: var(--text-muted);
}

/* ===== SKILLS ===== */
#skills { background: var(--bg2); }
.skills-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
  margin-top: 50px;
}
.skill-card {
  padding: 28px;
  border-radius: var(--radius-sm);
  background: var(--surface);
  border: 1px solid var(--glass-border);
  transition: var(--transition);
}
.skill-card:hover {
  background: var(--surface-hover);
  transform: translateY(-4px);
  border-color: rgba(108,92,231,0.3);
}
.skill-header {
  display: flex;
  align-items: center;
  gap: 14px;
  margin-bottom: 16px;
}
.skill-icon {
  width: 44px; height: 44px;
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.2rem;
  flex-shrink: 0;
}
.skill-icon.purple { background: rgba(108,92,231,0.15); color: var(--accent1); }
.skill-icon.teal { background: rgba(0,206,201,0.15); color: var(--accent2); }
.skill-icon.pink { background: rgba(253,121,168,0.15); color: var(--accent3); }
.skill-icon.gold { background: rgba(253,203,110,0.15); color: var(--gold); }
.skill-info h4 { font-size: 1rem; font-weight: 600; }
.skill-info p { font-size: 0.8rem; color: var(--text-muted); }
.skill-bar {
  width: 100%; height: 6px;
  background: rgba(0,0,0,0.06);
  border-radius: 3px;
  overflow: hidden;
}
.skill-bar-fill {
  height: 100%;
  border-radius: 3px;
  background: var(--gradient);
  width: 0;
  transition: width 1.2s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

/* ===== SERVICES ===== */
.services-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  margin-top: 50px;
}
.service-card {
  padding: 36px 28px;
  border-radius: var(--radius);
  background: var(--surface);
  border: 1px solid var(--glass-border);
  transition: var(--transition);
  position: relative;
  overflow: hidden;
}
.service-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 3px;
  background: var(--gradient);
  transform: scaleX(0);
  transform-origin: left;
  transition: var(--transition);
}
.service-card:hover::before { transform: scaleX(1); }
.service-card:hover {
  background: var(--surface-hover);
  transform: translateY(-6px);
  border-color: rgba(108,92,231,0.2);
}
a.service-card { text-decoration: none; color: inherit; display: block; }
.service-icon {
  width: 56px; height: 56px;
  border-radius: 16px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.4rem;
  margin-bottom: 20px;
}
.service-icon.purple { background: rgba(108,92,231,0.15); color: var(--accent1); }
.service-icon.teal { background: rgba(0,206,201,0.15); color: var(--accent2); }
.service-icon.pink { background: rgba(253,121,168,0.15); color: var(--accent3); }
.service-icon.gold { background: rgba(253,203,110,0.15); color: var(--gold); }
.service-icon.blue { background: rgba(116,185,255,0.15); color: #74b9ff; }
.service-icon.orange { background: rgba(255,159,67,0.15); color: #ff9f43; }
.service-card h4 { font-size: 1.15rem; font-weight: 600; margin-bottom: 12px; }
.service-card p { font-size: 0.9rem; color: var(--text-muted); line-height: 1.7; }

/* ===== PORTFOLIO + SLIDER ===== */
#portfolio { background: var(--bg2); }
.portfolio-slider {
  position: relative;
  margin-top: 50px;
  overflow: hidden;
  border-radius: var(--radius);
}
.portfolio-track {
  display: flex;
  transition: transform 0.6s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}
.portfolio-slide {
  min-width: 100%;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
  padding: 4px;
}
.portfolio-card {
  border-radius: var(--radius);
  overflow: hidden;
  background: var(--surface);
  border: 1px solid var(--glass-border);
  transition: var(--transition);
}
.portfolio-card:hover {
  transform: translateY(-6px);
  border-color: rgba(108,92,231,0.25);
}
.portfolio-img {
  height: 220px;
  overflow: hidden;
  position: relative;
}
.portfolio-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: var(--transition);
}
.portfolio-card:hover .portfolio-img img { transform: scale(1.08); }
.portfolio-img .overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(248,249,254,0.9), transparent);
}
.portfolio-img .tag {
  position: absolute;
  top: 16px; left: 16px;
  background: rgba(255,255,255,0.85);
  backdrop-filter: blur(10px);
  padding: 4px 14px;
  border-radius: 100px;
  font-size: 0.75rem;
  font-weight: 500;
  color: var(--accent2);
  border: 1px solid rgba(0,206,201,0.15);
  z-index: 2;
}
.portfolio-body { padding: 24px; }
.portfolio-body h4 { font-size: 1.1rem; font-weight: 600; margin-bottom: 8px; }
.portfolio-body p { font-size: 0.85rem; color: var(--text-muted); line-height: 1.7; }
.portfolio-results {
  display: flex;
  gap: 20px;
  margin-top: 14px;
  padding-top: 14px;
  border-top: 1px solid var(--glass-border);
}
.portfolio-results span { font-size: 0.8rem; font-weight: 600; }
.portfolio-results span i { color: var(--accent2); margin-right: 6px; }

/* Slider controls */
.slider-controls {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 20px;
  margin-top: 28px;
}
.slider-btn {
  width: 44px; height: 44px;
  border-radius: 50%;
  background: var(--surface);
  border: 1px solid var(--glass-border);
  color: var(--text);
  cursor: pointer;
  font-size: 1rem;
  transition: var(--transition);
  display: flex;
  align-items: center;
  justify-content: center;
}
.slider-btn:hover {
  background: var(--surface-hover);
  border-color: var(--accent1);
  color: var(--accent1);
}
.slider-dots {
  display: flex;
  gap: 8px;
}
.slider-dot {
  width: 8px; height: 8px;
  border-radius: 50%;
  background: var(--text-muted);
  border: none;
  cursor: pointer;
  transition: var(--transition);
  padding: 0;
}
.slider-dot.active {
  background: var(--accent1);
  width: 28px;
  border-radius: 4px;
}

/* ===== CERTIFICATIONS ===== */
.certs-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
  margin-top: 50px;
}
.cert-card {
  padding: 28px 20px;
  border-radius: var(--radius-sm);
  background: var(--surface);
  border: 1px solid var(--glass-border);
  text-align: center;
  transition: var(--transition);
}
.cert-card:hover {
  background: var(--surface-hover);
  transform: translateY(-4px);
}
.cert-card i {
  font-size: 2.2rem;
  background: var(--gradient-text);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  margin-bottom: 14px;
}
.cert-card h5 { font-size: 0.95rem; font-weight: 600; margin-bottom: 6px; }
.cert-card p { font-size: 0.78rem; color: var(--text-muted); }

/* ===== TESTIMONIALS ===== */
.testimonials-slider {
  position: relative;
  margin-top: 50px;
  overflow: hidden;
}
.testimonials-track {
  display: flex;
  transition: transform 0.6s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}
.testimonial-slide {
  min-width: 100%;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.testimonial-card {
  padding: 32px 28px;
  border-radius: var(--radius);
  background: var(--surface);
  border: 1px solid var(--glass-border);
  transition: var(--transition);
}
.testimonial-card:hover { background: var(--surface-hover); }
.testimonial-stars { color: var(--gold); font-size: 0.85rem; margin-bottom: 16px; letter-spacing: 2px; }
.testimonial-card blockquote {
  font-size: 0.92rem;
  color: var(--text-muted);
  line-height: 1.8;
  font-style: italic;
  margin-bottom: 20px;
}
.testimonial-author { display: flex; align-items: center; gap: 14px; }
.testimonial-avatar {
  width: 44px; height: 44px;
  border-radius: 50%;
  background: linear-gradient(135deg, rgba(108,92,231,0.3), rgba(0,206,201,0.2));
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 0.9rem;
  color: var(--accent2);
  flex-shrink: 0;
}
.testimonial-author-info h6 { font-size: 0.9rem; font-weight: 600; }
.testimonial-author-info p { font-size: 0.78rem; color: var(--text-muted); }

/* ===== CONTACT ===== */
#contact { background: var(--bg2); }
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  margin-top: 50px;
}
.contact-info h3 { font-size: 1.8rem; font-weight: 600; margin-bottom: 16px; }
.contact-info p { color: var(--text-muted); margin-bottom: 32px; line-height: 1.8; }
.contact-email-card {
  background: var(--surface);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius);
  padding: 28px;
  transition: var(--transition);
}
.contact-email-card:hover { border-color: rgba(108,92,231,0.3); }
.contact-email-card .label {
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 2px;
  color: var(--text-muted);
  margin-bottom: 8px;
}
.contact-email-card .email {
  font-size: 1.15rem;
  font-weight: 600;
  color: var(--text);
  text-decoration: none;
  display: block;
  margin-bottom: 16px;
  transition: var(--transition);
}
.contact-email-card .email:hover { color: var(--accent1); }
.contact-email-card .copy-btn {
  background: var(--glass);
  border: 1px solid var(--glass-border);
  color: var(--text);
  padding: 8px 20px;
  border-radius: 100px;
  font-size: 0.8rem;
  cursor: pointer;
  transition: var(--transition);
  display: inline-flex;
  align-items: center;
  gap: 8px;
}
.contact-email-card .copy-btn:hover { background: var(--surface-hover); }
.contact-socials {
  display: flex;
  gap: 14px;
  margin-top: 24px;
}
.contact-socials a {
  width: 48px; height: 48px;
  border-radius: 50%;
  background: var(--surface);
  border: 1px solid var(--glass-border);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-muted);
  text-decoration: none;
  transition: var(--transition);
  font-size: 1.2rem;
}
.contact-socials a:hover {
  background: var(--surface-hover);
  color: var(--accent2);
  transform: translateY(-3px);
}

/* ===== WHATSAPP ===== */
.whatsapp-cta {
  position: fixed;
  bottom: 90px;
  right: 24px;
  z-index: 999;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
}
.whatsapp-btn {
  width: 56px; height: 56px;
  border-radius: 50%;
  background: #25D366;
  color: #fff;
  border: none;
  cursor: pointer;
  font-size: 1.6rem;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 4px 20px rgba(37,211,102,0.4);
  transition: var(--transition);
  text-decoration: none;
  position: relative;
}
.whatsapp-btn:hover {
  transform: scale(1.1);
  box-shadow: 0 8px 30px rgba(37,211,102,0.5);
}
.whatsapp-btn .pulse {
  position: absolute;
  inset: 0;
  border-radius: 50%;
  border: 2px solid #25D366;
  animation: waPulse 2s infinite;
}
@keyframes waPulse {
  0% { transform: scale(1); opacity: 1; }
  100% { transform: scale(1.5); opacity: 0; }
}
.whatsapp-tooltip {
  font-size: 0.7rem;
  color: var(--text-muted);
  background: var(--glass);
  backdrop-filter: blur(10px);
  padding: 4px 10px;
  border-radius: 6px;
  white-space: nowrap;
  border: 1px solid var(--glass-border);
  opacity: 0;
  transition: var(--transition);
  pointer-events: none;
}
.whatsapp-cta:hover .whatsapp-tooltip { opacity: 1; }

.contact-form {
  display: flex;
  flex-direction: column;
  gap: 18px;
}
.contact-form input,
.contact-form textarea {
  width: 100%;
  padding: 16px 20px;
  background: var(--surface);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-sm);
  color: var(--text);
  font-family: 'Inter', sans-serif;
  font-size: 0.9rem;
  transition: var(--transition);
  outline: none;
}
.contact-form input:focus,
.contact-form textarea:focus {
  border-color: var(--accent1);
  background: var(--surface-hover);
}
.contact-form input::placeholder,
.contact-form textarea::placeholder { color: var(--text-muted); }
.contact-form textarea { min-height: 140px; resize: vertical; }
.contact-form .btn { align-self: flex-start; }

/* WhatsApp form integration */
.whatsapp-form-toggle {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.85rem;
  color: var(--text-muted);
  margin-top: 8px;
}
.whatsapp-form-toggle a {
  color: #25D366;
  font-weight: 600;
  text-decoration: none;
}
.whatsapp-form-toggle a:hover { text-decoration: underline; }

/* ===== FOOTER ===== */
footer {
  border-top: 1px solid var(--glass-border);
  padding: 40px 0;
}
footer .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
}
footer p { color: var(--text-muted); font-size: 0.85rem; }
footer .logo { font-size: 1.2rem; }

/* ===== BACK TO TOP ===== */
#back-to-top {
  position: fixed;
  bottom: 30px;
  right: 90px;
  width: 48px; height: 48px;
  border-radius: 50%;
  background: var(--gradient);
  color: #fff;
  border: none;
  cursor: pointer;
  font-size: 1.1rem;
  opacity: 0;
  transform: translateY(20px);
  transition: var(--transition);
  z-index: 999;
}
#back-to-top.show { opacity: 1; transform: translateY(0); }
#back-to-top:hover {
  transform: translateY(-4px);
  box-shadow: 0 8px 30px rgba(108,92,231,0.3);
}

/* ===== RESPONSIVE ===== */
@media (max-width: 992px) {
  .hero-grid, .about-grid, .contact-grid {
    grid-template-columns: 1fr;
    gap: 40px;
  }
  .hero-visual { display: none; }
  .services-grid { grid-template-columns: repeat(2, 1fr); }
  .testimonial-slide { grid-template-columns: 1fr; }
  .portfolio-slide { grid-template-columns: 1fr; }
  .certs-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 768px) {
  nav .nav-links { display: none; }
  .hamburger { display: flex; }
  .nav-links.open {
    display: flex;
    flex-direction: column;
    position: absolute;
    top: 100%; left: 0; right: 0;
    background: rgba(255,255,255,0.95);
    backdrop-filter: blur(30px);
    padding: 24px;
    gap: 20px;
    border-bottom: 1px solid var(--glass-border);
  }
  .services-grid, .skills-grid { grid-template-columns: 1fr; }
  .certs-grid { grid-template-columns: 1fr; }
  section { padding: 60px 0; }
  .hero h1 { font-size: clamp(2rem, 8vw, 2.8rem); }
  .hero-stats { flex-direction: column; gap: 16px; }
  footer .container { flex-direction: column; gap: 12px; text-align: center; }
}

@media (max-width: 480px) {
  .hero-actions { flex-direction: column; }
  .btn { width: 100%; justify-content: center; }
  #back-to-top { right: 24px; bottom: 80px; }
  .whatsapp-cta { right: 16px; }
}

/* =============================================
   SERVICE-SPECIFIC PAGES
   ============================================= */
.service-page .service-hero {
  padding: 160px 0 80px;
  text-align: center;
  position: relative;
}
.service-page .service-hero h1 {
  font-family: 'Playfair Display', serif;
  font-size: clamp(2.4rem, 5vw, 3.6rem);
  font-weight: 700;
  margin-bottom: 20px;
}
.service-page .service-hero p {
  color: var(--text-muted);
  font-size: 1.1rem;
  max-width: 640px;
  margin: 0 auto 32px;
  line-height: 1.8;
}
.service-page .service-hero .service-big-icon {
  width: 80px; height: 80px;
  border-radius: 24px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 2rem;
  margin: 0 auto 24px;
}
.service-page .service-hero .service-big-icon.purple { background: rgba(108,92,231,0.15); color: var(--accent1); }
.service-page .service-hero .service-big-icon.pink { background: rgba(253,121,168,0.15); color: var(--accent3); }
.service-page .service-hero .service-big-icon.gold { background: rgba(253,203,110,0.15); color: var(--gold); }
.service-page .service-hero .service-big-icon.teal { background: rgba(0,206,201,0.15); color: var(--accent2); }
.service-page .service-hero .service-big-icon.blue { background: rgba(116,185,255,0.15); color: #74b9ff; }
.service-page .service-hero .service-big-icon.orange { background: rgba(255,159,67,0.15); color: #ff9f43; }

.service-detail-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 40px;
  margin-top: 30px;
}
.service-detail-card {
  padding: 32px 28px;
  border-radius: var(--radius-sm);
  background: var(--surface);
  border: 1px solid var(--glass-border);
  transition: var(--transition);
}
.service-detail-card:hover {
  background: var(--surface-hover);
  border-color: rgba(108,92,231,0.2);
}
.service-detail-card h4 {
  font-size: 1.05rem;
  font-weight: 600;
  margin-bottom: 8px;
  display: flex;
  align-items: center;
  gap: 10px;
}
.service-detail-card h4 i { color: var(--accent2); font-size: 0.95rem; }
.service-detail-card p {
  font-size: 0.88rem;
  color: var(--text-muted);
  line-height: 1.7;
}

.service-process {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
  margin-top: 30px;
}
.service-step {
  text-align: center;
  padding: 28px 16px;
  border-radius: var(--radius-sm);
  background: var(--surface);
  border: 1px solid var(--glass-border);
  transition: var(--transition);
  position: relative;
}
.service-step:hover {
  background: var(--surface-hover);
  transform: translateY(-4px);
}
.service-step .step-num {
  width: 40px; height: 40px;
  border-radius: 50%;
  background: var(--gradient);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.95rem;
  font-weight: 700;
  color: #fff;
  margin: 0 auto 14px;
}
.service-step h5 {
  font-size: 0.95rem;
  font-weight: 600;
  margin-bottom: 6px;
}
.service-step p {
  font-size: 0.8rem;
  color: var(--text-muted);
  line-height: 1.6;
}

.service-pricing {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  margin-top: 30px;
}
.pricing-card {
  padding: 32px 24px;
  border-radius: var(--radius);
  background: var(--surface);
  border: 1px solid var(--glass-border);
  text-align: center;
  transition: var(--transition);
  position: relative;
}
.pricing-card.featured {
  border-color: var(--accent1);
  background: rgba(108,92,231,0.06);
}
.pricing-card.featured::before {
  content: 'Popular';
  position: absolute;
  top: 12px;
  right: 12px;
  background: var(--gradient);
  color: #fff;
  font-size: 0.65rem;
  font-weight: 600;
  padding: 4px 12px;
  border-radius: 100px;
  text-transform: uppercase;
  letter-spacing: 1px;
}
.pricing-card:hover {
  background: var(--surface-hover);
  transform: translateY(-4px);
}
.pricing-card h5 {
  font-size: 1.1rem;
  font-weight: 600;
  margin-bottom: 8px;
}
.pricing-card .price {
  font-size: 2.4rem;
  font-weight: 700;
  background: var(--gradient-text);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  margin-bottom: 4px;
}
.pricing-card .price-sub {
  font-size: 0.8rem;
  color: var(--text-muted);
  margin-bottom: 20px;
}
.pricing-card ul {
  list-style: none;
  text-align: left;
  margin-bottom: 24px;
}
.pricing-card ul li {
  padding: 8px 0;
  font-size: 0.85rem;
  color: var(--text-muted);
  display: flex;
  align-items: center;
  gap: 10px;
  border-bottom: 1px solid rgba(0,0,0,0.06);
}
.pricing-card ul li i {
  color: var(--accent2);
  font-size: 0.75rem;
  width: 16px;
}

.service-cta-section {
  background: var(--bg2);
  text-align: center;
  padding: 80px 0;
}
.service-cta-section h2 {
  font-family: 'Playfair Display', serif;
  font-size: clamp(1.8rem, 4vw, 2.6rem);
  font-weight: 700;
  margin-bottom: 16px;
}
.service-cta-section p {
  color: var(--text-muted);
  max-width: 520px;
  margin: 0 auto 28px;
}

@media (max-width: 992px) {
  .service-detail-grid { grid-template-columns: 1fr; }
  .service-process { grid-template-columns: repeat(2, 1fr); }
  .service-pricing { grid-template-columns: 1fr; max-width: 400px; margin-left: auto; margin-right: auto; }
}
@media (max-width: 480px) {
  .service-process { grid-template-columns: 1fr; }
}