/* ===== ROOT VARIABLES ===== */
:root {
  --green: #10b981;
  --green-light: #34d399;
  --green-dark: #059669;
  --gold: #f59e0b;
  --bg: #0a0f0d;
  --bg2: #0f1a14;
  --bg3: #132018;
  --card: #111c16;
  --card2: #172219;
  --border: rgba(16,185,129,0.15);
  --text: #e2e8f0;
  --text-muted: #94a3b8;
  --text-dim: #64748b;
  --radius: 16px;
  --radius-sm: 10px;
  --shadow: 0 20px 60px rgba(0,0,0,0.5);
  --glow: 0 0 40px rgba(16,185,129,0.2);
}

/* ===== RESET ===== */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: 'Outfit', sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.7;
  overflow-x: hidden;
}
img { max-width: 100%; display: block; }
a { text-decoration: none; color: inherit; }
ul { list-style: none; }

/* ===== SCROLLBAR ===== */
::-webkit-scrollbar { width: 6px; }
::-webkit-scrollbar-track { background: var(--bg); }
::-webkit-scrollbar-thumb { background: var(--green-dark); border-radius: 3px; }

/* ===== UTILITY ===== */
.container { max-width: 1200px; margin: 0 auto; padding: 0 24px; }
.gradient-text {
  background: linear-gradient(135deg, var(--green), var(--gold));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.dot { color: var(--green); }

/* ===== NAVBAR ===== */
#navbar {
  position: fixed; top: 0; left: 0; right: 0; z-index: 1000;
  padding: 8px 0;
  background: rgba(10,15,13,0.85);
  backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border);
  transition: all 0.3s ease;
}
#navbar.scrolled { padding: 6px 0; background: rgba(10,15,13,0.97); }
.nav-container {
  max-width: 1200px; margin: 0 auto; padding: 0 24px;
  display: flex; align-items: center; justify-content: space-between;
}
.nav-logo {
  display: flex; align-items: center; gap: 10px;
  font-size: 28px; font-weight: 900; letter-spacing: -1px;
  color: var(--text);
}
.nav-logo-img {
  width: 90px; height: 90px; object-fit: contain;
  border-radius: 50%;
  filter: drop-shadow(0 0 14px rgba(245,158,11,0.8));
  transition: transform 0.3s;
}
.nav-logo:hover .nav-logo-img { transform: rotate(15deg) scale(1.1); }
.nav-logo-text {
  font-size: 20px; font-weight: 800;
  background: linear-gradient(135deg, #fff, var(--gold));
  -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text;
}

/* ===== FOUNDER TAG ===== */
.founder-tag {
  display: inline-flex; align-items: center; gap: 10px;
  background: linear-gradient(135deg, rgba(245,158,11,0.15), rgba(16,185,129,0.1));
  border: 1px solid rgba(245,158,11,0.4);
  padding: 10px 20px; border-radius: 50px;
  margin-bottom: 20px; font-size: 16px; font-weight: 500;
  color: var(--text-muted);
  animation: founderGlow 3s ease-in-out infinite;
}
.founder-tag strong { color: var(--gold); font-weight: 700; }
.founder-logo {
  width: 32px; height: 32px; object-fit: contain; border-radius: 50%;
}
@keyframes founderGlow {
  0%, 100% { box-shadow: 0 0 0 0 rgba(245,158,11,0.2); }
  50% { box-shadow: 0 0 20px 4px rgba(245,158,11,0.15); }
}
.nav-links { display: flex; align-items: center; gap: 36px; }
.nav-links a {
  font-size: 15px; font-weight: 500; color: var(--text-muted);
  transition: color 0.3s;
}
.nav-links a:hover { color: var(--green); }
.nav-cta {
  background: var(--green) !important;
  color: var(--bg) !important;
  padding: 10px 24px; border-radius: 50px;
  font-weight: 600;
  transition: all 0.3s !important;
}
.nav-cta:hover { background: var(--green-light) !important; transform: translateY(-2px); }
.hamburger { display: none; flex-direction: column; gap: 5px; background: none; border: none; cursor: pointer; }
.hamburger span { width: 26px; height: 2px; background: var(--text); border-radius: 2px; transition: all 0.3s; }

/* ===== HERO ===== */
.hero {
  min-height: 100vh; position: relative; display: flex;
  align-items: center; padding: 100px 24px 60px;
  overflow: hidden;
}
.hero-bg { position: absolute; inset: 0; z-index: 0; }
.hero-grid {
  position: absolute; inset: 0;
  background-image: linear-gradient(rgba(16,185,129,0.05) 1px, transparent 1px),
                    linear-gradient(90deg, rgba(16,185,129,0.05) 1px, transparent 1px);
  background-size: 60px 60px;
}
.hero-orb {
  position: absolute; border-radius: 50%;
  filter: blur(80px); animation: float 8s ease-in-out infinite;
}
.orb1 {
  width: 600px; height: 600px;
  background: radial-gradient(circle, rgba(16,185,129,0.18) 0%, transparent 70%);
  top: -200px; left: -200px;
}
.orb2 {
  width: 500px; height: 500px;
  background: radial-gradient(circle, rgba(245,158,11,0.12) 0%, transparent 70%);
  bottom: -150px; right: -150px;
  animation-delay: -4s;
}
@keyframes float {
  0%, 100% { transform: translateY(0) scale(1); }
  50% { transform: translateY(-30px) scale(1.05); }
}

.hero-content {
  position: relative; z-index: 2;
  max-width: 640px; flex: 1;
}
.hero-badge {
  display: inline-flex; align-items: center; gap: 10px;
  background: rgba(16,185,129,0.1); border: 1px solid rgba(16,185,129,0.3);
  padding: 8px 20px; border-radius: 50px; margin-bottom: 28px;
  font-size: 14px; font-weight: 500; color: var(--green);
}
.badge-dot {
  width: 8px; height: 8px; border-radius: 50%;
  background: var(--green); animation: pulse 2s infinite;
}
@keyframes pulse {
  0%, 100% { box-shadow: 0 0 0 0 rgba(16,185,129,0.4); }
  50% { box-shadow: 0 0 0 8px rgba(16,185,129,0); }
}
.hero-title {
  font-size: clamp(42px, 6vw, 72px);
  font-weight: 900; line-height: 1.1;
  margin-bottom: 20px;
}
.hero-subtitle {
  font-size: clamp(20px, 3vw, 28px);
  font-weight: 600; color: var(--text-muted);
  min-height: 40px; margin-bottom: 20px;
  font-family: 'JetBrains Mono', monospace;
}
.cursor { color: var(--green); animation: blink 1s infinite; }
@keyframes blink { 0%, 100% { opacity: 1; } 50% { opacity: 0; } }
.hero-desc { font-size: 17px; color: var(--text-muted); margin-bottom: 36px; line-height: 1.8; }
.hero-actions { display: flex; gap: 16px; margin-bottom: 48px; flex-wrap: wrap; }

/* ===== BUTTONS ===== */
.btn {
  display: inline-flex; align-items: center; justify-content: center;
  padding: 14px 32px; border-radius: 50px; font-size: 16px;
  font-weight: 600; font-family: 'Outfit', sans-serif;
  cursor: pointer; border: none; transition: all 0.3s ease;
}
.btn-primary {
  background: linear-gradient(135deg, var(--green), var(--green-dark));
  color: #fff; box-shadow: 0 4px 20px rgba(16,185,129,0.35);
}
.btn-primary:hover { transform: translateY(-3px); box-shadow: 0 8px 30px rgba(16,185,129,0.5); }
.btn-outline {
  background: transparent;
  border: 2px solid rgba(16,185,129,0.5);
  color: var(--green);
}
.btn-outline:hover { border-color: var(--green); background: rgba(16,185,129,0.1); transform: translateY(-3px); }
.btn-sm { padding: 10px 22px; font-size: 14px; }

/* ===== HERO STATS ===== */
.hero-stats { display: flex; align-items: center; gap: 24px; }
.stat { display: flex; flex-direction: column; }
.stat-num { font-size: 32px; font-weight: 800; color: var(--green); line-height: 1; }
.stat-label { font-size: 13px; color: var(--text-dim); margin-top: 4px; }
.stat-divider { width: 1px; height: 40px; background: var(--border); }

/* ===== HERO VISUAL ===== */
.hero-visual {
  position: relative; z-index: 2;
  display: flex; align-items: center; justify-content: center;
  flex: 1; min-height: 400px;
}
.avatar-wrapper { position: relative; width: 320px; height: 320px; }
.avatar-ring {
  position: absolute; border-radius: 50%;
  border: 2px dashed rgba(16,185,129,0.3);
}
.ring1 { inset: -30px; animation: spin 20s linear infinite; }
.ring2 { inset: -60px; animation: spin 30s linear infinite reverse; border-color: rgba(245,158,11,0.2); }
@keyframes spin { to { transform: rotate(360deg); } }
.avatar-circle {
  width: 100%; height: 100%; border-radius: 50%;
  background: linear-gradient(135deg, var(--card2), var(--bg3));
  border: 3px solid rgba(16,185,129,0.4);
  display: flex; align-items: center; justify-content: center;
  box-shadow: var(--glow), var(--shadow);
}
.avatar-logo {
  width: 72%; height: 72%; object-fit: contain;
  border-radius: 50%;
  filter: drop-shadow(0 0 20px rgba(245,158,11,0.7));
  animation: logoPulse 3s ease-in-out infinite;
}
@keyframes logoPulse {
  0%, 100% { filter: drop-shadow(0 0 16px rgba(245,158,11,0.5)); transform: scale(1); }
  50% { filter: drop-shadow(0 0 32px rgba(245,158,11,0.9)); transform: scale(1.05); }
}
.floating-badge {
  position: absolute;
  background: var(--card); border: 1px solid var(--border);
  padding: 8px 14px; border-radius: 50px; font-size: 13px; font-weight: 600;
  white-space: nowrap; display: flex; align-items: center; gap: 6px;
  animation: floatBadge 4s ease-in-out infinite;
  box-shadow: 0 8px 24px rgba(0,0,0,0.4);
}
.fb1 { top: 0; left: -60px; animation-delay: 0s; }
.fb2 { top: 0; right: -60px; animation-delay: -1s; }
.fb3 { bottom: 20px; left: -70px; animation-delay: -2s; }
.fb4 { bottom: 20px; right: -70px; animation-delay: -3s; }
@keyframes floatBadge {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-10px); }
}

/* ===== SCROLL DOWN ===== */
.scroll-down {
  position: absolute; bottom: 36px; left: 50%;
  transform: translateX(-50%);
  display: flex; flex-direction: column; align-items: center; gap: 8px;
  font-size: 13px; color: var(--text-dim); z-index: 2;
  animation: scrollBounce 2s ease-in-out infinite;
}
.scroll-arrow {
  width: 20px; height: 20px; border-right: 2px solid var(--green);
  border-bottom: 2px solid var(--green);
  transform: rotate(45deg);
}
@keyframes scrollBounce { 0%, 100% { transform: translateX(-50%) translateY(0); } 50% { transform: translateX(-50%) translateY(8px); } }

/* ===== SECTIONS ===== */
.section { padding: 100px 0; position: relative; }
.section-label {
  font-size: 13px; font-weight: 700; letter-spacing: 3px;
  text-transform: uppercase; color: var(--green);
  margin-bottom: 12px;
}
.section-title {
  font-size: clamp(32px, 4vw, 52px); font-weight: 800;
  margin-bottom: 20px; line-height: 1.1;
}
.section-desc { color: var(--text-muted); font-size: 18px; max-width: 600px; margin-bottom: 60px; }

/* ===== ABOUT ===== */
.about-section { background: var(--bg2); }
.about-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 60px; align-items: start; margin-top: 40px; }
.about-text p { color: var(--text-muted); margin-bottom: 20px; font-size: 17px; }
.about-text strong { color: var(--green); font-weight: 600; }
.about-tags { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 24px; }
.tag {
  background: rgba(16,185,129,0.1); border: 1px solid rgba(16,185,129,0.2);
  color: var(--green); padding: 6px 16px; border-radius: 50px;
  font-size: 14px; font-weight: 500;
}
.info-card {
  display: flex; align-items: flex-start; gap: 16px;
  background: var(--card); border: 1px solid var(--border);
  padding: 20px; border-radius: var(--radius-sm);
  margin-bottom: 14px; transition: all 0.3s;
}
.info-card:hover { border-color: rgba(16,185,129,0.4); transform: translateX(6px); }
.info-icon { font-size: 28px; flex-shrink: 0; }
.info-title { font-weight: 600; font-size: 16px; margin-bottom: 4px; }
.info-sub { color: var(--text-muted); font-size: 14px; }

/* ===== SKILLS ===== */
.skills-section { background: var(--bg); }
.skills-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; margin-top: 50px; }
.skill-card {
  background: var(--card); border: 1px solid var(--border);
  border-radius: var(--radius); padding: 32px;
  transition: all 0.3s ease;
  position: relative; overflow: hidden;
}
.skill-card::before {
  content: ''; position: absolute; top: 0; left: 0; right: 0; height: 3px;
  background: linear-gradient(90deg, var(--green), var(--gold));
  transform: scaleX(0); transform-origin: left; transition: transform 0.3s;
}
.skill-card:hover { border-color: rgba(16,185,129,0.4); transform: translateY(-6px); box-shadow: var(--glow); }
.skill-card:hover::before { transform: scaleX(1); }
.skill-icon { font-size: 40px; margin-bottom: 18px; }
.skill-card h3 { font-size: 20px; font-weight: 700; margin-bottom: 12px; }
.skill-card p { color: var(--text-muted); font-size: 15px; margin-bottom: 20px; }
.skill-tags { display: flex; flex-wrap: wrap; gap: 8px; }
.skill-tags span {
  background: rgba(16,185,129,0.08); border: 1px solid rgba(16,185,129,0.15);
  color: var(--green-light); padding: 4px 12px; border-radius: 50px; font-size: 12px; font-weight: 500;
}

/* ===== PROJECTS ===== */
.projects-section { background: var(--bg2); }
.projects-grid { display: flex; flex-direction: column; gap: 60px; margin-top: 50px; }
.project-card {
  display: grid; grid-template-columns: 1fr 1fr; gap: 50px;
  background: var(--card); border: 1px solid var(--border);
  border-radius: 24px; overflow: hidden;
  transition: all 0.3s; align-items: center;
}
.project-card:hover { border-color: rgba(16,185,129,0.4); box-shadow: var(--glow); }
.project-card:nth-child(even) { direction: rtl; }
.project-card:nth-child(even) > * { direction: ltr; }
.project-image { position: relative; overflow: hidden; aspect-ratio: 4/3; }
.project-image img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.5s; }
.project-card:hover .project-image img { transform: scale(1.05); }
.project-overlay {
  position: absolute; inset: 0; background: rgba(10,15,13,0.7);
  display: flex; align-items: center; justify-content: center;
  opacity: 0; transition: opacity 0.3s;
}
.project-card:hover .project-overlay { opacity: 1; }
.project-link-btn {
  background: var(--green); color: #fff;
  padding: 12px 28px; border-radius: 50px; font-weight: 700;
  font-size: 16px; cursor: pointer; transition: all 0.2s;
}
.project-link-btn:hover { background: var(--green-light); transform: scale(1.05); }
.project-info { padding: 40px; }
.project-badges { display: flex; gap: 10px; margin-bottom: 16px; flex-wrap: wrap; }
.badge {
  padding: 5px 14px; border-radius: 50px; font-size: 12px;
  font-weight: 700; text-transform: uppercase; letter-spacing: 0.5px;
}
.badge.shopify { background: rgba(150,191,71,0.2); color: #96bf47; border: 1px solid rgba(150,191,71,0.3); }
.badge.ecom { background: rgba(245,158,11,0.15); color: var(--gold); border: 1px solid rgba(245,158,11,0.3); }
.badge.flutter { background: rgba(84,197,248,0.15); color: #54c5f8; border: 1px solid rgba(84,197,248,0.3); }
.badge.ai { background: rgba(16,185,129,0.15); color: var(--green); border: 1px solid rgba(16,185,129,0.3); }
.project-info h3 { font-size: 32px; font-weight: 800; margin-bottom: 16px; }
.project-info p { color: var(--text-muted); font-size: 16px; margin-bottom: 24px; line-height: 1.8; }
.project-features { margin-bottom: 28px; }
.project-features li { color: var(--text-muted); font-size: 15px; margin-bottom: 8px; }

/* ===== CERTIFICATES ===== */
.certs-section { background: var(--bg); }
.certs-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; margin-top: 20px; }
.cert-card {
  background: var(--card); border: 1px solid var(--border);
  border-radius: var(--radius); padding: 28px 22px;
  cursor: pointer; transition: all 0.3s; text-align: center;
  position: relative; overflow: hidden;
}
.cert-card::after {
  content: ''; position: absolute; inset: 0;
  background: linear-gradient(135deg, rgba(16,185,129,0.05), transparent);
  opacity: 0; transition: opacity 0.3s;
}
.cert-card:hover { border-color: rgba(16,185,129,0.5); transform: translateY(-8px); box-shadow: var(--glow), var(--shadow); }
.cert-card:hover::after { opacity: 1; }
.cert-icon { font-size: 42px; margin-bottom: 14px; }
.cert-org { font-size: 12px; font-weight: 600; color: var(--green); text-transform: uppercase; letter-spacing: 1px; margin-bottom: 10px; }
.cert-title { font-size: 17px; font-weight: 700; margin-bottom: 10px; }
.cert-course {
  font-size: 15px; font-weight: 600;
  background: linear-gradient(135deg, var(--green), var(--gold));
  -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text;
  margin-bottom: 10px;
}
.cert-date { font-size: 13px; color: var(--text-dim); margin-bottom: 6px; }
.cert-id { font-size: 12px; color: var(--text-dim); font-family: 'JetBrains Mono', monospace; margin-bottom: 16px; }
.cert-view { font-size: 13px; color: var(--green); font-weight: 600; }

/* ===== MODAL ===== */
.modal-overlay {
  display: none; position: fixed; inset: 0; z-index: 9999;
  background: rgba(0,0,0,0.9); backdrop-filter: blur(10px);
  align-items: center; justify-content: center;
}
.modal-overlay.active { display: flex; }
.modal-box {
  position: relative; max-width: 800px; width: 90%; max-height: 90vh;
  overflow: auto; border-radius: var(--radius);
  box-shadow: 0 40px 100px rgba(0,0,0,0.8);
  animation: modalIn 0.3s ease;
}
@keyframes modalIn { from { opacity: 0; transform: scale(0.9); } to { opacity: 1; transform: scale(1); } }
.modal-box img { width: 100%; border-radius: var(--radius); }
.modal-close {
  position: absolute; top: 12px; right: 12px; z-index: 1;
  background: rgba(0,0,0,0.7); border: none; color: #fff;
  width: 36px; height: 36px; border-radius: 50%; font-size: 16px;
  cursor: pointer; display: flex; align-items: center; justify-content: center;
  transition: background 0.2s;
}
.modal-close:hover { background: var(--green); }

/* ===== CONTACT ===== */
.contact-section { background: var(--bg2); }
.contact-grid { display: grid; grid-template-columns: 1fr 1.4fr; gap: 60px; margin-top: 20px; }
.contact-item { display: flex; align-items: flex-start; gap: 16px; margin-bottom: 28px; }
.contact-icon { font-size: 28px; }
.contact-label { font-size: 13px; color: var(--text-dim); text-transform: uppercase; letter-spacing: 1px; margin-bottom: 4px; }
.contact-val { font-size: 16px; font-weight: 600; }
.contact-val.link { color: var(--green); }
.contact-val.link:hover { text-decoration: underline; }

/* ===== CONTACT SERVICES ===== */
.contact-services { margin-bottom: 28px; }
.contact-service-title {
  font-size: 13px; font-weight: 700; text-transform: uppercase;
  letter-spacing: 2px; color: var(--green); margin-bottom: 14px;
}
.contact-service-card {
  display: flex; align-items: center; gap: 14px;
  background: var(--card2); border: 1px solid var(--border);
  border-radius: var(--radius-sm); padding: 14px 18px;
  margin-bottom: 12px; transition: all 0.3s;
}
.contact-service-card:hover {
  border-color: rgba(16,185,129,0.45);
  transform: translateX(6px);
  box-shadow: 0 4px 20px rgba(16,185,129,0.1);
}
.cs-icon { font-size: 28px; flex-shrink: 0; }
.cs-name { font-size: 15px; font-weight: 700; margin-bottom: 3px; }
.cs-desc { font-size: 13px; color: var(--text-muted); }
.social-links { display: flex; gap: 12px; margin-top: 16px; }
.social-btn {
  background: var(--card); border: 1px solid var(--border);
  padding: 10px 20px; border-radius: 50px; font-size: 14px;
  font-weight: 600; transition: all 0.3s;
}
.social-btn:hover { border-color: var(--green); color: var(--green); transform: translateY(-2px); }
.contact-form { display: flex; flex-direction: column; gap: 20px; }
.form-group { display: flex; flex-direction: column; gap: 8px; }
.form-group label { font-size: 14px; font-weight: 600; color: var(--text-muted); }
.form-group input, .form-group textarea {
  background: var(--card); border: 1px solid var(--border);
  color: var(--text); padding: 14px 18px; border-radius: var(--radius-sm);
  font-family: 'Outfit', sans-serif; font-size: 15px;
  transition: border-color 0.3s; resize: vertical;
}
.form-group input:focus, .form-group textarea:focus {
  outline: none; border-color: var(--green); box-shadow: 0 0 0 3px rgba(16,185,129,0.1);
}
.form-group input::placeholder, .form-group textarea::placeholder { color: var(--text-dim); }
.form-success { display: none; color: var(--green); font-weight: 600; font-size: 15px; text-align: center; margin-top: 8px; }
.form-success.show { display: block; }
.form-error { display: none; color: #f87171; font-weight: 600; font-size: 15px; text-align: center; margin-top: 8px; }
.form-error.show { display: block; }

/* ===== FOOTER ===== */
.footer { background: var(--bg); border-top: 1px solid var(--border); padding: 40px 0; }
.footer-content { text-align: center; }
.footer-logo {
  display: flex; align-items: center; justify-content: center;
  margin-bottom: 16px;
}
.footer-logo-img {
  width: 90px; height: 90px; object-fit: contain;
  border-radius: 50%;
  filter: drop-shadow(0 0 14px rgba(245,158,11,0.7));
  transition: transform 0.3s;
}
.footer-logo-img:hover { transform: rotate(15deg) scale(1.1); }
.footer-text { color: var(--text-muted); font-size: 15px; margin-bottom: 8px; }
.footer-copy { color: var(--text-dim); font-size: 13px; }

/* ===== RESPONSIVE ===== */
@media (max-width: 1024px) {
  .skills-grid { grid-template-columns: repeat(2, 1fr); }
  .certs-grid { grid-template-columns: repeat(2, 1fr); }
  .hero { flex-direction: column; text-align: center; padding-top: 120px; }
  .hero-content { max-width: 100%; }
  .hero-stats { justify-content: center; }
  .hero-actions { justify-content: center; }
  .hero-visual { margin-top: 60px; }
  .about-grid { grid-template-columns: 1fr; gap: 40px; }
  .project-card, .project-card:nth-child(even) { grid-template-columns: 1fr; direction: ltr; }
  .project-image { aspect-ratio: 16/9; }
  .contact-grid { grid-template-columns: 1fr; }
}
@media (max-width: 768px) {
  .nav-links { display: none; flex-direction: column; position: absolute; top: 70px; left: 0; right: 0; background: var(--bg); border-bottom: 1px solid var(--border); padding: 20px 24px; gap: 20px; }
  .nav-links.open { display: flex; }
  .hamburger { display: flex; }
  .skills-grid { grid-template-columns: 1fr; }
  .certs-grid { grid-template-columns: 1fr 1fr; }
  .floating-badge { display: none; }
  .hero-stats { flex-direction: column; gap: 16px; }
  .stat-divider { display: none; }
}
@media (max-width: 480px) {
  .certs-grid { grid-template-columns: 1fr; }
  .hero-title { font-size: 36px; }
}

/* ===== WHATSAPP FLOATING BUTTON ===== */
.whatsapp-float {
  position: fixed;
  bottom: 32px;
  right: 32px;
  z-index: 9998;
  display: flex;
  align-items: center;
  gap: 10px;
  background: #25D366;
  color: #fff;
  padding: 14px 22px;
  border-radius: 50px;
  font-size: 15px;
  font-weight: 700;
  font-family: 'Outfit', sans-serif;
  box-shadow: 0 8px 32px rgba(37,211,102,0.45);
  text-decoration: none;
  transition: all 0.3s ease;
  overflow: hidden;
}
.whatsapp-float:hover {
  background: #20c25e;
  transform: translateY(-4px) scale(1.05);
  box-shadow: 0 16px 48px rgba(37,211,102,0.6);
}
.wa-label {
  font-size: 14px;
  font-weight: 700;
  letter-spacing: 0.3px;
}
.wa-pulse {
  position: absolute;
  inset: 0;
  border-radius: 50px;
  background: rgba(255,255,255,0.2);
  animation: waPulse 2s ease-out infinite;
  pointer-events: none;
}
@keyframes waPulse {
  0% { transform: scale(1); opacity: 0.6; }
  100% { transform: scale(1.4); opacity: 0; }
}
@media (max-width: 480px) {
  .whatsapp-float { bottom: 20px; right: 20px; padding: 13px 18px; }
  .wa-label { display: none; }
}