/* ══════════════════════════════════════════════
   SURAJ SHAK — AI-powered Digital Marketing Portfolio
   ──────────────────────────────────────────────
   Colors : Blue  #2563EB | Green  #10B981
            Orange #F59E0B | Red    #EF4444
   ══════════════════════════════════════════════ */

/* ── Reset & Variables ── */
*, *::before, *::after { margin: 0; padding: 0; box-sizing: border-box; }
:root {
  --blue: #2563EB; --blue-light: #3B82F6; --blue-dark: #1D4ED8;
  --green: #10B981; --green-light: #34D399; --green-dark: #059669;
  --orange: #F59E0B; --orange-light: #FBBF24; --orange-dark: #D97706;
  --red: #EF4444; --red-light: #F87171; --red-dark: #DC2626;
  --bg: #FAFBFC; --surface: #FFFFFF;
  --text: #0F172A; --text-secondary: #475569; --text-muted: #94A3B8;
  --border: #E2E8F0; --radius: 16px; --radius-sm: 10px;
  --shadow: 0 4px 24px rgba(0,0,0,.06);
  --shadow-lg: 0 12px 48px rgba(0,0,0,.08);
  --font: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --nav-h: 68px;
}
html { scroll-behavior: smooth; font-size: 16px; }
body {
  font-family: var(--font); background: var(--bg); color: var(--text);
  line-height: 1.6; overflow-x: hidden; -webkit-font-smoothing: antialiased;
}
::selection { background: var(--blue); color: #fff; }
img { max-width: 100%; height: auto; display: block; }
a { color: inherit; text-decoration: none; }
ul { list-style: none; }
.container { max-width: 1200px; margin: 0 auto; padding: 0 24px; }

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

/* ── Navigation ── */
nav {
  position: fixed; top: 0; left: 0; right: 0; z-index: 1000;
  background: rgba(255,255,255,.8); backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid transparent;
  transition: background .3s, border-color .3s, box-shadow .3s;
}
nav.scrolled {
  background: rgba(255,255,255,.95);
  border-color: var(--border);
  box-shadow: 0 2px 20px rgba(0,0,0,.06);
}
.nav-inner {
  display: flex; align-items: center; justify-content: space-between;
  height: var(--nav-h); max-width: 1200px; margin: 0 auto; padding: 0 24px;
}
.logo {
  font-weight: 800; font-size: 1.35rem;
  background: linear-gradient(135deg, var(--blue), var(--green));
  -webkit-background-clip: text; -webkit-text-fill-color: transparent;
  background-clip: text;
}
.logo span { -webkit-text-fill-color: var(--orange); color: var(--orange); }
.nav-links { display: flex; align-items: center; gap: 32px; }
.nav-links a {
  font-size: .875rem; font-weight: 500; color: var(--text-secondary);
  transition: color .2s; position: relative;
}
.nav-links a::after {
  content: ''; position: absolute; bottom: -4px; left: 0;
  width: 0; height: 2px; background: var(--blue); transition: width .2s;
}
.nav-links a:hover { color: var(--text); }
.nav-links a:hover::after { width: 100%; }
.nav-cta {
  background: var(--blue); color: #fff !important; padding: 8px 22px;
  border-radius: 50px; font-weight: 600; transition: all .25s;
}
.nav-cta::after { display: none !important; }
.nav-cta:hover { background: var(--blue-dark) !important; transform: translateY(-1px); }
.menu-btn {
  display: none; flex-direction: column; gap: 5px; cursor: pointer;
  background: none; border: none; padding: 4px;
}
.menu-btn span {
  width: 26px; height: 2.5px; background: var(--text); border-radius: 4px;
  transition: all .3s; display: block;
}

/* ── Hero ── */
.hero {
  min-height: 100vh; display: flex; align-items: center;
  padding: calc(var(--nav-h) + 40px) 0 60px;
  position: relative; overflow: hidden;
}
.hero-bg {
  position: absolute; inset: 0; z-index: 0;
}
.hero-bg img {
  width: 100%; height: 100%; object-fit: cover; opacity: .07;
}
.hero-bg::after {
  content: ''; position: absolute; inset: 0;
  background: linear-gradient(135deg, rgba(250,251,252,.92) 0%, rgba(250,251,252,.7) 100%);
}
.hero-grid {
  display: grid; grid-template-columns: 1fr 1fr; gap: 60px;
  align-items: center; position: relative; z-index: 1;
}
.hero-badge {
  display: inline-flex; align-items: center; gap: 8px;
  background: rgba(37,99,235,.1); color: var(--blue); font-size: .8rem;
  font-weight: 600; padding: 6px 16px; border-radius: 50px; margin-bottom: 20px;
}
.hero-badge-dot {
  width: 8px; height: 8px; border-radius: 50%; background: var(--green);
  animation: pulse-dot 2s infinite;
}
@keyframes pulse-dot {
  0%,100% { opacity: 1; transform: scale(1); }
  50% { opacity: .5; transform: scale(1.3); }
}
.hero h1 {
  font-size: clamp(2rem, 5vw, 3.8rem); font-weight: 900;
  line-height: 1.12; letter-spacing: -.03em; margin-bottom: 16px;
}
.highlight-blue { color: var(--blue); }
.highlight-green { color: var(--green); }
.highlight-orange { color: var(--orange); }
.highlight-red { color: var(--red); }
.hero p {
  font-size: 1.1rem; color: var(--text-secondary);
  max-width: 520px; margin-bottom: 32px; line-height: 1.7;
}
.hero-actions { 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: .95rem; border: none; cursor: pointer;
  transition: all .3s; font-family: var(--font);
}
.btn-primary {
  background: var(--blue); color: #fff;
  box-shadow: 0 4px 16px rgba(37,99,235,.3);
}
.btn-primary:hover { background: var(--blue-dark); transform: translateY(-2px); box-shadow: 0 8px 28px rgba(37,99,235,.35); }
.btn-outline {
  background: transparent; color: var(--text); border: 2px solid var(--border);
}
.btn-outline:hover { border-color: var(--blue); color: var(--blue); transform: translateY(-2px); }

.hero-visual { position: relative; display: flex; justify-content: center; align-items: center; }
.hero-visual-inner {
  position: relative; width: 100%; max-width: 480px; aspect-ratio: 1;
  display: flex; align-items: center; justify-content: center;
}
.hero-circle {
  position: absolute; border-radius: 50%; border: 2px solid var(--border);
  animation: spin-slow 30s linear infinite;
}
.hero-circle:nth-child(1) { width: 100%; height: 100%; border-color: rgba(37,99,235,.2); }
.hero-circle:nth-child(2) { width: 80%; height: 80%; border-color: rgba(16,185,129,.15); animation-direction: reverse; animation-duration: 25s; }
.hero-circle:nth-child(3) { width: 60%; height: 60%; border-color: rgba(245,158,11,.12); animation-duration: 20s; }
@keyframes spin-slow { to { transform: rotate(360deg); } }
.hero-avatar {
  width: 140px; height: 140px; border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  z-index: 2; position: relative; overflow: hidden;
  box-shadow: 0 8px 40px rgba(37,99,235,.25);
  border: 3px solid var(--surface);
}
.hero-avatar img {
  width: 100%; height: 100%; object-fit: cover; border-radius: 50%;
}
.hero-floating-card {
  position: absolute; background: var(--surface); border-radius: 12px;
  padding: 12px 18px; box-shadow: var(--shadow); display: flex;
  align-items: center; gap: 10px; font-size: .82rem; font-weight: 500;
  animation: float 6s ease-in-out infinite; white-space: nowrap;
}
@keyframes float {
  0%,100% { transform: translateY(0); }
  50% { transform: translateY(-10px); }
}
.hero-stats {
  display: flex; gap: 40px; margin-top: 40px; padding-top: 32px;
  border-top: 1px solid var(--border);
}
.hero-stat h3 { font-size: 1.6rem; font-weight: 800; }
.hero-stat p { font-size: .82rem; color: var(--text-secondary); margin: 0; }

/* ── Section Common ── */
section { padding: 100px 0; }
.section-header { margin-bottom: 56px; }
.section-label {
  display: inline-flex; align-items: center; gap: 8px;
  font-size: .78rem; font-weight: 700; text-transform: uppercase;
  letter-spacing: .08em; margin-bottom: 12px;
}
.section-label .bar { width: 32px; height: 3px; border-radius: 4px; }
.bar.blue { background: var(--blue); }
.bar.green { background: var(--green); }
.bar.orange { background: var(--orange); }
.bar.red { background: var(--red); }
.section-title {
  font-size: clamp(1.8rem, 3.5vw, 2.6rem); font-weight: 800;
  letter-spacing: -.02em; line-height: 1.2; margin-bottom: 16px;
}
.section-desc {
  color: var(--text-secondary); font-size: 1.05rem;
  max-width: 600px; line-height: 1.7;
}

/* ── About / Journey ── */
.journey { background: #FFE4E6; }
.about-grid {
  display: grid; grid-template-columns: 1fr 1fr; gap: 48px;
  align-items: center; margin-bottom: 60px;
}
.about-img {
  border-radius: var(--radius); overflow: hidden;
  box-shadow: var(--shadow-lg); position: relative;
}
.about-img img {
  width: 100%; height: 400px; object-fit: cover;
  transition: transform .6s;
}
.about-img:hover img { transform: scale(1.03); }
.about-featured-img {
  margin: 40px 0; border-radius: var(--radius); overflow: hidden;
  box-shadow: var(--shadow-lg); position: relative;
}
.about-featured-img img {
  width: 100%; height: 380px; object-fit: cover; display: block;
}
.about-featured-caption {
  position: absolute; bottom: 0; left: 0; right: 0;
  background: linear-gradient(transparent, rgba(0,0,0,.7));
  color: #fff; padding: 40px 24px 20px;
  font-size: .95rem; font-weight: 600;
}
.about-text h3 { font-size: 1.3rem; font-weight: 700; margin-bottom: 16px; }
.about-text p { color: var(--text-secondary); line-height: 1.7; margin-bottom: 16px; }
.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(--blue), var(--green), var(--orange), var(--red));
}
.timeline-item {
  position: relative; margin-bottom: 40px; padding-left: 32px;
  opacity: 0; transform: translateX(-20px); transition: all .6s ease;
}
.timeline-item.visible { opacity: 1; transform: translateX(0); }
.timeline-item::before {
  content: ''; position: absolute; left: -33px; top: 6px;
  width: 14px; height: 14px; border-radius: 50%; border: 3px solid;
  background: var(--surface);
}
.timeline-item:nth-child(1)::before { border-color: var(--blue); }
.timeline-item:nth-child(2)::before { border-color: var(--green); }
.timeline-item:nth-child(3)::before { border-color: var(--orange); }
.timeline-item:nth-child(4)::before { border-color: var(--red); }
.timeline-item .tag {
  display: inline-block; font-size: .72rem; font-weight: 700;
  text-transform: uppercase; letter-spacing: .06em; padding: 3px 12px;
  border-radius: 50px; margin-bottom: 8px;
}
.blue-tag { background: rgba(37,99,235,.1); color: var(--blue); }
.green-tag { background: rgba(16,185,129,.1); color: var(--green); }
.orange-tag { background: rgba(245,158,11,.1); color: var(--orange); }
.red-tag { background: rgba(239,68,68,.1); color: var(--red); }
.timeline-item h3 { font-size: 1.15rem; font-weight: 700; margin-bottom: 6px; }
.timeline-item p { color: var(--text-secondary); font-size: .92rem; line-height: 1.6; }

/* ── Skills ── */
#skills { background: #DCFCE7; }
.skills-grid {
  display: grid; grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 24px;
}
.skill-card {
  background: var(--surface); border: 1px solid var(--border);
  border-radius: var(--radius); padding: 28px 24px;
  transition: all .35s; cursor: default;
  opacity: 0; transform: translateY(30px);
}
.skill-card.visible { opacity: 1; transform: translateY(0); }
.skill-card:hover {
  transform: translateY(-6px); box-shadow: var(--shadow-lg);
}
.skill-card .icon-wrap {
  width: 50px; height: 50px; border-radius: 14px;
  display: flex; align-items: center; justify-content: center;
  font-size: 1.6rem; margin-bottom: 16px;
}
.skill-card h3 { font-size: 1.05rem; font-weight: 700; margin-bottom: 8px; }
.skill-card p { font-size: .85rem; color: var(--text-secondary); line-height: 1.6; }
.skills-banner {
  margin-bottom: 32px; border-radius: var(--radius); overflow: hidden;
  box-shadow: var(--shadow);
}
.skills-banner img {
  width: 100%; height: auto; display: block;
}
.skill-bar { margin-top: 14px; height: 4px; border-radius: 4px; background: var(--border); overflow: hidden; }
.skill-bar-fill {
  height: 100%; border-radius: 4px; width: 0;
  transition: width 1s ease;
}
.color-blue .icon-wrap { background: rgba(37,99,235,.1); }
.color-blue .skill-bar-fill { background: var(--blue); }
.color-green .icon-wrap { background: rgba(16,185,129,.1); }
.color-green .skill-bar-fill { background: var(--green); }
.color-orange .icon-wrap { background: rgba(245,158,11,.1); }
.color-orange .skill-bar-fill { background: var(--orange); }
.color-red .icon-wrap { background: rgba(239,68,68,.1); }
.color-red .skill-bar-fill { background: var(--red); }

/* ── Services ── */
.services { background: #EDE9FE; }
.services-grid {
  display: grid; grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 24px;
}
a.service-card, a.service-card:hover { color: inherit; text-decoration: none; display: block; }
.service-card {
  padding: 32px 28px; border-radius: var(--radius);
  border: 1px solid var(--border); transition: all .35s;
  opacity: 0; transform: translateY(30px); cursor: pointer; position: relative;
}
.service-card.visible { opacity: 1; transform: translateY(0); }
.service-card:hover { border-color: transparent; box-shadow: var(--shadow-lg); transform: translateY(-4px); }
.service-card .num {
  font-size: 2.8rem; font-weight: 900; line-height: 1; margin-bottom: 12px;
}
.service-card h3 { font-size: 1.1rem; font-weight: 700; margin-bottom: 10px; }
.service-card p { font-size: .88rem; color: var(--text-secondary); line-height: 1.65; }
.service-card::after {
  content: '→'; position: absolute; top: 32px; right: 28px;
  font-size: 1.2rem; opacity: 0; transition: all .3s; color: var(--blue);
}
.service-card:hover::after { opacity: 1; transform: translateX(4px); }

/* ── Slider ── */
.slider-section { background: #E0F2FE; }
.slider-container {
  position: relative; overflow: hidden; border-radius: var(--radius);
}
.slider-track {
  display: flex; transition: transform .5s cubic-bezier(.4,0,.2,1);
}
.slider-slide {
  min-width: 100%; display: grid;
  grid-template-columns: 1fr 1fr; gap: 32px; align-items: center;
  background: var(--surface); border-radius: var(--radius);
  overflow: hidden;
}
.slider-slide img {
  width: 100%; height: 400px; object-fit: cover;
}
.slider-content { padding: 48px; }
.slider-content .quote {
  font-size: 1.05rem; color: var(--text-secondary);
  line-height: 1.7; margin-bottom: 16px; font-style: italic;
}
.slider-content .author { font-weight: 700; }
.slider-content .role { font-size: .85rem; color: var(--text-muted); }
.slider-controls {
  display: flex; justify-content: center; align-items: center;
  gap: 20px; margin-top: 24px;
}
.slider-btn {
  width: 44px; height: 44px; border-radius: 50%;
  border: 1px solid var(--border); background: var(--surface);
  cursor: pointer; display: flex; align-items: center;
  justify-content: center; transition: all .25s;
  font-size: 1.1rem; color: var(--text);
}
.slider-btn:hover { border-color: var(--blue); color: var(--blue); }
.slider-dots { display: flex; gap: 8px; }
.slider-dot {
  width: 10px; height: 10px; border-radius: 50%;
  border: 2px solid var(--border); background: transparent;
  cursor: pointer; transition: all .3s;
}
.slider-dot.active { background: var(--blue); border-color: var(--blue); }

/* ── Projects ── */
#projects { background: #FCE7F3; }
.projects-grid {
  display: grid; grid-template-columns: repeat(auto-fill, minmax(340px, 1fr));
  gap: 28px;
}
.project-card {
  background: var(--surface); border: 1px solid var(--border);
  border-radius: var(--radius); overflow: hidden;
  transition: all .35s; opacity: 0; transform: translateY(30px);
}
.project-card.visible { opacity: 1; transform: translateY(0); }
.project-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-lg); }
.project-thumb {
  height: 220px; overflow: hidden; position: relative;
}
.project-thumb img {
  width: 100%; height: 100%; object-fit: cover;
  transition: transform .5s;
}
.project-card:hover .project-thumb img { transform: scale(1.05); }
.project-thumb .overlay {
  position: absolute; inset: 0; opacity: 0;
  display: flex; align-items: center; justify-content: center;
  background: rgba(15,23,42,.7); transition: opacity .3s;
  font-size: .9rem; color: #fff; font-weight: 600; gap: 6px;
}
.project-card:hover .overlay { opacity: 1; }
.project-body { padding: 24px; }
.project-tags { display: flex; gap: 8px; flex-wrap: wrap; margin-bottom: 10px; }
.project-tags span {
  font-size: .7rem; font-weight: 600; padding: 3px 12px;
  border-radius: 50px; background: rgba(37,99,235,.1); color: var(--blue);
}
.project-body h3 { font-size: 1.05rem; font-weight: 700; margin-bottom: 6px; margin-top: 0; }
.project-body p { font-size: .85rem; color: var(--text-secondary); line-height: 1.6; }

/* ── CTA Banner ── */
.cta-section { padding: 40px 0 80px; }
.cta-banner {
  border-radius: 24px; overflow: hidden; position: relative;
  min-height: 340px; display: flex; align-items: center; justify-content: center;
}
.cta-banner img {
  position: absolute; inset: 0; width: 100%; height: 100%;
  object-fit: cover;
}
.cta-banner .cta-overlay {
  position: absolute; inset: 0;
  background: linear-gradient(135deg, rgba(37,99,235,.92) 0%, rgba(16,185,129,.88) 100%);
}
.cta-banner .cta-content {
  position: relative; z-index: 1; text-align: center;
  color: #fff; padding: 60px 48px; max-width: 700px;
}
.cta-content h2 {
  font-size: clamp(1.6rem, 3vw, 2.2rem); font-weight: 800;
  margin-bottom: 12px;
}
.cta-content p { font-size: 1.05rem; opacity: .9; margin-bottom: 28px; }
.btn-white {
  background: #fff; color: var(--blue); font-weight: 700;
  padding: 14px 36px; border-radius: 50px; display: inline-flex;
  align-items: center; gap: 10px; transition: all .3s;
  font-family: var(--font); font-size: .95rem; border: none; cursor: pointer;
}
.btn-white:hover { transform: translateY(-2px); box-shadow: 0 8px 28px rgba(0,0,0,.15); }
.cta-content .btn-outline-light {
  border: 2px solid rgba(255,255,255,.4); color: #fff;
  background: rgba(255,255,255,.1); padding: 14px 36px;
  border-radius: 50px; display: inline-flex; align-items: center;
  gap: 10px; transition: all .3s; font-family: var(--font);
  font-size: .95rem; font-weight: 600;
}
.cta-content .btn-outline-light:hover { background: rgba(255,255,255,.2); }

/* ── Contact ── */
#contact { background: #F8FAFC; }
.contact-grid {
  display: grid; grid-template-columns: 1fr 1fr; gap: 48px; align-items: start;
}
.contact-info h3 { font-size: 1.2rem; font-weight: 700; margin-bottom: 16px; margin-top: 0; }
.contact-info > p { color: var(--text-secondary); margin-bottom: 24px; line-height: 1.7; }
.contact-item {
  display: flex; align-items: center; gap: 14px; margin-bottom: 16px;
}
.contact-item .icn {
  width: 44px; height: 44px; border-radius: 12px;
  display: flex; align-items: center; justify-content: center;
  font-size: 1.2rem; flex-shrink: 0;
}
.contact-item .icn.blue { background: rgba(37,99,235,.1); }
.contact-item .icn.green { background: rgba(16,185,129,.1); }
.contact-item .icn.orange { background: rgba(245,158,11,.1); }
.contact-item .icn.red { background: rgba(239,68,68,.1); }
.contact-item .info-label {
  font-size: .78rem; color: var(--text-secondary);
  font-weight: 600; margin-bottom: 2px;
}
.contact-item span { font-size: .92rem; word-break: break-all; }

.contact-form {
  background: var(--surface); padding: 36px; border-radius: var(--radius);
  border: 1px solid var(--border);
}
.form-group { margin-bottom: 18px; }
.form-group label {
  display: block; font-size: .85rem; font-weight: 600; margin-bottom: 6px;
}
.form-group input, .form-group textarea, .form-group select {
  width: 100%; padding: 12px 16px; border: 1px solid var(--border);
  border-radius: var(--radius-sm); font-size: .92rem; font-family: var(--font);
  background: var(--bg); transition: border .2s, box-shadow .2s; outline: none;
}
.form-group input:focus, .form-group textarea:focus, .form-group select:focus {
  border-color: var(--blue); box-shadow: 0 0 0 3px rgba(37,99,235,.1);
}
.form-group textarea { resize: vertical; min-height: 120px; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }

/* ── Footer ── */
footer {
  background: #0F172A; padding: 40px 0 24px; text-align: center;
}
.footer-social { display: flex; justify-content: center; gap: 16px; margin-bottom: 20px; }
.footer-social a {
  width: 44px; height: 44px; border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  border: 1px solid rgba(255,255,255,.15); font-size: 1.1rem;
  color: #94A3B8; transition: all .25s;
}
.footer-social a:hover { border-color: var(--blue); color: var(--blue); transform: translateY(-3px); }
footer p { font-size: .85rem; color: #64748B; }

/* ── WhatsApp Floating Button ── */
.whatsapp-float {
  position: fixed; bottom: 24px; right: 24px; z-index: 999;
  width: 56px; height: 56px; border-radius: 50%;
  background: #25D366; color: #fff; display: flex;
  align-items: center; justify-content: center;
  box-shadow: 0 4px 20px rgba(37,211,102,.4);
  transition: all .3s; font-size: 1.8rem;
  cursor: pointer; border: none;
}
.whatsapp-float:hover {
  transform: scale(1.1); box-shadow: 0 8px 32px rgba(37,211,102,.5);
}
.whatsapp-float .tooltip {
  position: absolute; right: 64px; top: 50%; transform: translateY(-50%);
  background: var(--text); color: #fff; font-size: .78rem;
  padding: 6px 14px; border-radius: 8px; white-space: nowrap;
  opacity: 0; pointer-events: none; transition: opacity .3s;
  font-weight: 500;
}
.whatsapp-float:hover .tooltip { opacity: 1; }

/* ── Scroll Animations ── */
.fade-up {
  opacity: 0; transform: translateY(30px);
  transition: all .6s ease;
}
.fade-up.visible { opacity: 1; transform: translateY(0); }

/* ── Particles Canvas ── */
#particles-canvas {
  position: fixed; top: 0; left: 0; width: 100%; height: 100%;
  pointer-events: none; z-index: 0;
}

/* ── Mobile ── */
@media (max-width: 968px) {
  .slider-slide { grid-template-columns: 1fr; }
  .slider-slide img { height: 260px; }
  .slider-content { padding: 28px; }
  .about-grid { grid-template-columns: 1fr; }
  .about-img img { height: 300px; }
}

@media (max-width: 768px) {
  .nav-links {
    position: fixed; top: var(--nav-h); left: 0; right: 0;
    background: var(--surface); flex-direction: column; padding: 24px;
    gap: 20px; border-bottom: 1px solid var(--border);
    transform: translateY(-100%); opacity: 0; pointer-events: none;
    transition: all .35s; box-shadow: 0 20px 40px rgba(0,0,0,.08);
  }
  .nav-links.open { transform: translateY(0); opacity: 1; pointer-events: auto; }
  .menu-btn { display: flex; }
  .menu-btn.open span:nth-child(1) { transform: rotate(45deg) translate(5px,5px); }
  .menu-btn.open span:nth-child(2) { opacity: 0; }
  .menu-btn.open span:nth-child(3) { transform: rotate(-45deg) translate(5px,-5px); }

  .hero-grid { grid-template-columns: 1fr; gap: 40px; text-align: center; }
  .hero p { margin-left: auto; margin-right: auto; }
  .hero-actions { justify-content: center; }
  .hero-stats { justify-content: center; flex-wrap: wrap; gap: 24px; }
  .hero-visual { order: -1; }
  .hero-visual-inner { max-width: 320px; }
  .hero-floating-card { display: none; }

  .skills-grid { grid-template-columns: 1fr; }
  .services-grid { grid-template-columns: 1fr; }
  .projects-grid { grid-template-columns: 1fr; }
  .contact-grid { grid-template-columns: 1fr; }
  .form-row { grid-template-columns: 1fr; }

  section { padding: 60px 0; }
  .section-header { margin-bottom: 36px; }
  .cta-content { padding: 40px 24px; }
  .contact-form { padding: 24px; }
  .timeline { padding-left: 32px; }
  .timeline-item { padding-left: 24px; }
}

@media (max-width: 480px) {
  .hero h1 { font-size: 1.8rem; }
  .hero-visual-inner { max-width: 240px; }
  .hero-avatar { width: 100px; height: 100px; font-size: 2.2rem; }
  .hero-actions .btn { width: 100%; justify-content: center; }
  .container { padding: 0 16px; }
  .whatsapp-float { width: 48px; height: 48px; font-size: 1.5rem; bottom: 16px; right: 16px; }
}

/* ══════════════════════════════════════════════
   SERVICE PAGE SPECIFIC STYLES
   ══════════════════════════════════════════════ */
.service-hero {
  padding: calc(var(--nav-h) + 60px) 0 60px;
  position: relative; overflow: hidden;
}
.service-hero-bg {
  position: absolute; inset: 0; z-index: 0;
}
.service-hero-bg img {
  width: 100%; height: 100%; object-fit: cover; opacity: .06;
}
.service-hero-bg::after {
  content: ''; position: absolute; inset: 0;
  background: linear-gradient(135deg, rgba(250,251,252,.95) 0%, rgba(250,251,252,.7) 100%);
}
.service-hero-content { position: relative; z-index: 1; max-width: 800px; }
.service-hero-content .back-link {
  display: inline-flex; align-items: center; gap: 6px;
  font-size: .88rem; color: var(--text-secondary); margin-bottom: 24px;
  transition: color .2s;
}
.service-hero-content .back-link:hover { color: var(--blue); }
.service-hero-content h1 {
  font-size: clamp(2rem, 4vw, 3rem); font-weight: 900;
  letter-spacing: -.03em; line-height: 1.15; margin-bottom: 16px;
}
.service-hero-content p {
  font-size: 1.1rem; color: var(--text-secondary);
  line-height: 1.7; margin-bottom: 32px;
}
.service-hero-stats {
  display: flex; gap: 40px; flex-wrap: wrap;
}
.service-hero-stat h4 { font-size: 1.8rem; font-weight: 800; }
.service-hero-stat p { font-size: .82rem; color: var(--text-secondary); margin: 0; }

.service-detail { padding: 80px 0; }
.service-detail-grid {
  display: grid; grid-template-columns: 1fr 1fr; gap: 48px; align-items: start;
}
.service-detail h2 {
  font-size: 1.5rem; font-weight: 800; margin-bottom: 20px;
  letter-spacing: -.02em;
}
.service-detail p { color: var(--text-secondary); line-height: 1.7; margin-bottom: 16px; }
.service-detail ul { list-style: none; margin-bottom: 24px; }
.service-detail ul li {
  padding: 10px 0; border-bottom: 1px solid var(--border);
  display: flex; align-items: center; gap: 12px;
  font-size: .92rem;
}
.service-detail ul li::before {
  content: '✓'; font-weight: 700; font-size: 1rem;
}
.service-detail .check-blue li::before { color: var(--blue); }
.service-detail .check-green li::before { color: var(--green); }
.service-detail .check-orange li::before { color: var(--orange); }
.service-detail .check-red li::before { color: var(--red); }

.process-steps {
  display: grid; grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
  gap: 24px; margin: 40px 0;
}
.process-step {
  text-align: center; padding: 28px 20px;
  background: var(--surface); border: 1px solid var(--border);
  border-radius: var(--radius); transition: all .3s;
}
.process-step:hover { box-shadow: var(--shadow-lg); transform: translateY(-4px); }
.process-step .step-num {
  width: 48px; height: 48px; border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  margin: 0 auto 16px; font-weight: 800; font-size: 1.1rem; color: #fff;
}
.process-step h4 { font-size: 1rem; font-weight: 700; margin-bottom: 8px; }
.process-step p { font-size: .85rem; color: var(--text-secondary); margin: 0; }

.pricing-grid {
  display: grid; grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 24px; margin: 40px 0;
}
.pricing-card {
  background: var(--surface); border: 1px solid var(--border);
  border-radius: var(--radius); padding: 32px 24px; text-align: center;
  transition: all .3s;
}
.pricing-card:hover { box-shadow: var(--shadow-lg); transform: translateY(-4px); }
.pricing-card.featured {
  border-color: var(--blue); box-shadow: 0 0 0 2px var(--blue), var(--shadow-lg);
  position: relative;
}
.pricing-card.featured .badge {
  position: absolute; top: -12px; left: 50%; transform: translateX(-50%);
  background: var(--blue); color: #fff; font-size: .72rem; font-weight: 700;
  padding: 4px 16px; border-radius: 50px; text-transform: uppercase; letter-spacing: .04em;
}
.pricing-card h4 { font-size: 1.1rem; font-weight: 700; margin-bottom: 4px; }
.pricing-card .price {
  font-size: 2.2rem; font-weight: 900; margin: 12px 0 4px;
}
.pricing-card .price span { font-size: 1rem; font-weight: 400; color: var(--text-muted); }
.pricing-card p { font-size: .85rem; color: var(--text-secondary); margin-bottom: 20px; }
.pricing-card ul { list-style: none; text-align: left; margin-bottom: 24px; }
.pricing-card ul li {
  padding: 8px 0; font-size: .85rem; color: var(--text-secondary);
  display: flex; align-items: center; gap: 8px;
}
.pricing-card ul li::before { content: '✓'; color: var(--green); font-weight: 700; }

.service-cta {
  background: var(--surface); border: 1px solid var(--border);
  border-radius: var(--radius); padding: 48px; text-align: center;
  margin-top: 60px;
}
.service-cta h3 { font-size: 1.4rem; font-weight: 800; margin-bottom: 12px; }
.service-cta p { color: var(--text-secondary); margin-bottom: 24px; }

@media (max-width: 768px) {
  .service-detail-grid { grid-template-columns: 1fr; }
  .service-hero-stats { gap: 24px; }
  .service-hero-stat h4 { font-size: 1.4rem; }
  .service-cta { padding: 32px 24px; }
}