/* =================================================
   Engr. Kaisar Ahmed Khan – Personal Website
   Style Sheet
   ================================================= */

/* ─── CSS Variables ─── */
:root {
  --bg:           #080c14;
  --bg-2:         #0d1220;
  --bg-card:      rgba(255,255,255,0.04);
  --bg-card-h:    rgba(255,255,255,0.08);
  --txt:          #f0f4ff;
  --txt-2:        #8a94a8;
  --txt-3:        #5a6272;
  --cyan:         #00d4ff;
  --blue:         #4f8ef7;
  --gold:         #ffc107;
  --red:          #ef4444;
  --green:        #22c55e;
  --orange:       #f97316;
  --purple:       #a855f7;
  --border:       rgba(255,255,255,0.08);
  --nav-h:        68px;
  --radius:       12px;
  --trans:        all .3s ease;
  --font-h:       'Space Grotesk', sans-serif;
  --font-b:       'Inter', sans-serif;
  --glow:         0 0 40px rgba(0,212,255,.14);
}

/* ─── Reset ─── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body { font-family: var(--font-b); background: var(--bg); color: var(--txt); line-height: 1.6; overflow-x: hidden; }
img  { max-width: 100%; height: auto; display: block; }
a    { text-decoration: none; color: inherit; transition: var(--trans); }
ul   { list-style: none; }

/* ─── Layout helpers ─── */
.container {
  max-width: 1180px;
  margin: 0 auto;
  padding: 0 24px;
}
section { padding: 96px 0; }

/* ─── Typography ─── */
h1,h2,h3,h4 { font-family: var(--font-h); line-height: 1.2; }

.gradient-text {
  background: linear-gradient(135deg, var(--cyan), var(--blue));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.section-tag {
  display: inline-block;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 3px;
  text-transform: uppercase;
  color: var(--cyan);
  margin-bottom: 12px;
}

.section-header {
  text-align: center;
  max-width: 680px;
  margin: 0 auto 60px;
}
.section-header h2 { font-size: clamp(2rem,4vw,2.8rem); margin-bottom: 14px; }
.section-sub { color: var(--txt-2); font-size: 1.05rem; }

/* ─── Buttons ─── */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 13px 26px;
  border-radius: 8px;
  font-weight: 600;
  font-size: 14px;
  cursor: pointer;
  border: none;
  transition: var(--trans);
}
.btn-primary {
  background: linear-gradient(135deg, var(--cyan), var(--blue));
  color: #fff;
  box-shadow: 0 4px 20px rgba(0,212,255,.3);
}
.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 8px 30px rgba(0,212,255,.45); }
.btn-outline {
  background: transparent;
  color: var(--cyan);
  border: 1.5px solid var(--cyan);
}
.btn-outline:hover { background: rgba(0,212,255,.1); transform: translateY(-2px); }
.full-width { width: 100%; justify-content: center; }


/* ══════════════════════════════════════════════
   NAVIGATION
══════════════════════════════════════════════ */
#navbar {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 1000;
  height: var(--nav-h);
  transition: var(--trans);
}
#navbar.scrolled {
  background: rgba(8,12,20,.96);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border);
  box-shadow: 0 4px 30px rgba(0,0,0,.4);
}

.nav-container {
  max-width: 1180px;
  margin: 0 auto;
  padding: 0 24px;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.nav-logo { display: flex; flex-direction: column; gap: 1px; }
.logo-text { font-family: var(--font-h); font-size: 1.35rem; font-weight: 700; color: #fff; }
.logo-text .accent { color: var(--cyan); }
.logo-sub  { font-size: 10px; color: var(--txt-3); letter-spacing: .4px; }

.nav-links { display: flex; align-items: center; gap: 4px; }
.nav-links li a {
  padding: 7px 14px;
  border-radius: 6px;
  font-size: 14px;
  font-weight: 500;
  color: var(--txt-2);
}
.nav-links li a:hover,
.nav-links li a.active-nav { color: #fff; background: var(--bg-card); }
.nav-cta {
  background: linear-gradient(135deg, var(--cyan), var(--blue)) !important;
  color: #fff !important;
}

.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
}
.hamburger span {
  display: block;
  width: 24px;
  height: 2px;
  background: #fff;
  border-radius: 2px;
  transition: var(--trans);
}
.hamburger.open span:nth-child(1) { transform: rotate(45deg) translate(5px, 5px); }
.hamburger.open span:nth-child(2) { opacity: 0; }
.hamburger.open span:nth-child(3) { transform: rotate(-45deg) translate(5px, -5px); }


/* ══════════════════════════════════════════════
   HERO
══════════════════════════════════════════════ */
#hero {
  min-height: 100vh;
  position: relative;
  display: flex;
  flex-direction: column;
  padding: 0;
  overflow: hidden;
}

.hero-bg {
  position: absolute; inset: 0; z-index: 0;
  background:
    radial-gradient(ellipse 80% 50% at 15% 40%, rgba(0,212,255,.12) 0%, transparent 60%),
    radial-gradient(ellipse 60% 40% at 85% 70%, rgba(79,142,247,.10) 0%, transparent 60%),
    linear-gradient(180deg, #080c14 0%, #0d1220 100%);
}

.hero-particles { position: absolute; inset: 0; z-index: 0; overflow: hidden; }
.particle {
  position: absolute;
  background: var(--cyan);
  border-radius: 50%;
  opacity: .4;
  animation: particleRise linear infinite;
}
@keyframes particleRise {
  0%   { transform: translateY(0) translateX(0);    opacity: 0; }
  10%  { opacity: .4; }
  90%  { opacity: .4; }
  100% { transform: translateY(-100vh) translateX(40px); opacity: 0; }
}

.hero-content {
  flex: 1;
  position: relative; z-index: 1;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 60px;
  padding-top: 110px;
  padding-bottom: 60px;
}

/* — Text side — */
.hero-text { flex: 1; max-width: 580px; }
.hero-greeting { font-size: 1.1rem; color: var(--txt-2); margin-bottom: 8px; }

.hero-name {
  font-size: clamp(2.6rem, 5vw, 4rem);
  font-weight: 800;
  line-height: 1.1;
  color: #fff;
  margin-bottom: 18px;
}

.hero-typed-wrapper {
  font-size: 1.1rem;
  color: var(--cyan);
  font-weight: 500;
  min-height: 30px;
  margin-bottom: 18px;
}
.cursor { animation: blink 1s step-end infinite; color: var(--cyan); }
@keyframes blink { 0%,100%{opacity:1} 50%{opacity:0} }

.hero-tagline { font-size: .98rem; color: var(--txt-2); margin-bottom: 24px; }
.hero-tagline strong { color: var(--gold); }

.hero-certs-row { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 32px; }
.cert-pill {
  padding: 5px 12px;
  border-radius: 20px;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: .4px;
}
.cert-pill.rhca { background:rgba(239,68,68,.14); color:#ef4444; border:1px solid rgba(239,68,68,.3); }
.cert-pill.ceh,
.cert-pill.chfi  { background:rgba(249,115,22,.14); color:#f97316; border:1px solid rgba(249,115,22,.3); }
.cert-pill.cka   { background:rgba(79,142,247,.14); color:#4f8ef7; border:1px solid rgba(79,142,247,.3); }
.cert-pill.vcp   { background:rgba(34,197,94,.14);  color:#22c55e; border:1px solid rgba(34,197,94,.3);  }
.cert-pill.nse   { background:rgba(253,224,71,.14); color:#fde047; border:1px solid rgba(253,224,71,.3); }
.cert-pill.mcsa  { background:rgba(96,165,250,.14); color:#60a5fa; border:1px solid rgba(96,165,250,.3); }

.hero-btns { display: flex; gap: 16px; flex-wrap: wrap; }

/* — Image side — */
.hero-image { flex-shrink: 0; position: relative; }

.hero-img-frame {
  position: relative;
  width: 420px;
  height: 480px;
}
.hero-img-frame::before {
  content: '';
  position: absolute; inset: -3px;
  border-radius: 24px 4px 24px 4px;
  background: linear-gradient(135deg, var(--cyan), var(--blue), transparent 60%);
  z-index: -1;
}
.hero-img-frame::after {
  content: '';
  position: absolute;
  bottom: -24px; right: -24px;
  width: 220px; height: 220px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(0,212,255,.1), transparent 70%);
  z-index: -1;
}
.hero-img {
  width: 100%; height: 100%;
  object-fit: cover;
  border-radius: 24px 4px 24px 4px;
  filter: brightness(.9) contrast(1.06);
}

.hero-badge {
  position: absolute;
  background: rgba(8,12,20,.92);
  border: 1px solid var(--border);
  backdrop-filter: blur(12px);
  border-radius: 12px;
  padding: 12px 16px;
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 12px;
  font-weight: 600;
  line-height: 1.4;
  white-space: nowrap;
  animation: badgeFloat 3s ease-in-out infinite;
}
.hero-badge--gold { top: 28px; right: -28px; border-left: 3px solid var(--gold); }
.hero-badge--cyan { bottom: 38px; left: -28px; border-left: 3px solid var(--cyan); animation-delay: 1.5s; }
.hero-badge i { font-size: 20px; }
.hero-badge--gold i { color: var(--gold); }
.hero-badge--cyan i { color: var(--cyan); }

@keyframes badgeFloat {
  0%,100% { transform: translateY(0); }
  50%     { transform: translateY(-8px); }
}

/* — Ticker — */
.cert-ticker {
  position: relative; z-index: 1;
  background: rgba(0,212,255,.05);
  border-top: 1px solid rgba(0,212,255,.14);
  border-bottom: 1px solid rgba(0,212,255,.14);
  overflow: hidden;
  padding: 14px 0;
  margin-top: auto;
}
.cert-ticker-track {
  display: flex;
  gap: 40px;
  white-space: nowrap;
  animation: ticker 28s linear infinite;
}
.cert-ticker-track span {
  font-size: 13px;
  font-weight: 600;
  color: var(--cyan);
  opacity: .75;
  letter-spacing: 1px;
}
@keyframes ticker {
  0%   { transform: translateX(0); }
  100% { transform: translateX(-50%); }
}


/* ══════════════════════════════════════════════
   STATS BAND
══════════════════════════════════════════════ */
#stats {
  padding: 64px 0;
  background: linear-gradient(135deg, rgba(0,212,255,.05), rgba(79,142,247,.05));
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}
.stats-grid {
  display: grid;
  grid-template-columns: repeat(4,1fr);
  gap: 16px;
}
.stat-item {
  text-align: center;
  padding: 32px 16px;
  border-radius: var(--radius);
  background: var(--bg-card);
  border: 1px solid var(--border);
  transition: var(--trans);
}
.stat-item:hover { background: var(--bg-card-h); border-color:rgba(0,212,255,.2); transform:translateY(-4px); }
.stat-number,.stat-plus {
  font-family: var(--font-h);
  font-size: 2.8rem;
  font-weight: 800;
  color: var(--cyan);
  line-height: 1;
}
.stat-label { margin-top: 8px; font-size: 13px; color: var(--txt-2); font-weight: 500; }


/* ══════════════════════════════════════════════
   ABOUT
══════════════════════════════════════════════ */
#about { background: var(--bg); }
.about-grid {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: 80px;
  align-items: center;
}

.about-images { position: relative; height: 500px; }

.about-img-main {
  position: absolute;
  width: 70%; height: 400px;
  left: 0; top: 0;
  border-radius: 16px;
  overflow: hidden;
  box-shadow: 0 20px 60px rgba(0,0,0,.5);
}
.about-img-main img  { width:100%; height:100%; object-fit:cover; }

.about-img-secondary {
  position: absolute;
  width: 55%; height: 280px;
  right: 0; bottom: 0;
  border-radius: 16px;
  overflow: hidden;
  border: 3px solid var(--bg);
  box-shadow: 0 20px 60px rgba(0,0,0,.5);
}
.about-img-secondary img { width:100%; height:100%; object-fit:cover; object-position:top; }

.about-exp-badge {
  position: absolute;
  top: 50%; left: 50%;
  transform: translate(-50%,-50%);
  width: 92px; height: 92px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--cyan), var(--blue));
  display: flex; flex-direction: column;
  align-items: center; justify-content: center;
  text-align: center;
  border: 4px solid var(--bg);
  z-index: 2;
  color: #fff;
}
.exp-num { font-family:var(--font-h); font-size:1.6rem; font-weight:800; line-height:1; }
.exp-num sup { font-size:.9rem; }
.exp-lbl { font-size:9px; font-weight:600; line-height:1.4; }

.about-text h2 { font-size: clamp(1.8rem,3vw,2.4rem); margin-bottom: 22px; }
.about-bio { color: var(--txt-2); margin-bottom: 14px; line-height: 1.8; }
.about-bio strong { color: var(--txt); }

.about-roles { margin: 26px 0; display: flex; flex-direction: column; gap: 10px; }
.role-item {
  display: flex; align-items: center; gap: 12px;
  padding: 12px 16px;
  background: var(--bg-card);
  border-radius: 8px;
  border-left: 3px solid var(--cyan);
  font-size: 14px;
  color: var(--txt-2);
}
.role-item i { color:var(--cyan); width:16px; flex-shrink:0; }

.about-btns { display:flex; gap:16px; flex-wrap:wrap; margin-top:28px; }


/* ══════════════════════════════════════════════
   EXPERTISE
══════════════════════════════════════════════ */
#expertise { background: var(--bg-2); }
.expertise-grid { display:grid; grid-template-columns:repeat(3,1fr); gap:22px; }

.expertise-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 30px 26px;
  position: relative;
  overflow: hidden;
  transition: var(--trans);
}
.expertise-card::before {
  content:'';
  position:absolute; top:0; left:0; right:0; height:3px;
  background: var(--c-accent, var(--cyan));
  transform: scaleX(0);
  transition: transform .4s ease;
}
.expertise-card:hover::before  { transform: scaleX(1); }
.expertise-card:hover {
  background: var(--bg-card-h);
  transform: translateY(-6px);
  box-shadow: 0 20px 50px rgba(0,0,0,.3);
}

.expertise-card[data-color="red"]    { --c-accent: var(--red);    }
.expertise-card[data-color="blue"]   { --c-accent: var(--blue);   }
.expertise-card[data-color="cyan"]   { --c-accent: var(--cyan);   }
.expertise-card[data-color="orange"] { --c-accent: var(--orange); }
.expertise-card[data-color="purple"] { --c-accent: var(--purple); }
.expertise-card[data-color="green"]  { --c-accent: var(--green);  }

.expertise-icon { font-size: 2.2rem; margin-bottom: 18px; color: var(--c-accent, var(--cyan)); }
.expertise-card h3 { font-size: 1.1rem; margin-bottom: 10px; }
.expertise-card p  { font-size: 14px; color: var(--txt-2); line-height: 1.7; margin-bottom: 18px; }
.expertise-tags { display:flex; flex-wrap:wrap; gap:6px; }
.expertise-tags span {
  font-size: 11px;
  padding: 3px 10px;
  border-radius: 20px;
  background: rgba(255,255,255,.05);
  color: var(--txt-3);
  border: 1px solid var(--border);
}


/* ══════════════════════════════════════════════
   CERTIFICATIONS
══════════════════════════════════════════════ */
#certifications { background: var(--bg); }
.cert-groups { display:flex; flex-direction:column; gap:40px; }

.cert-group-title {
  display: flex; align-items: center; gap: 10px;
  font-size: 11px; font-weight: 700;
  letter-spacing: 2px; text-transform: uppercase;
  color: var(--txt-3); margin-bottom: 16px;
}
.cert-dot {
  width: 8px; height: 8px;
  border-radius: 50%; display: inline-block;
}
.cert-dot.red    { background: var(--red);    }
.cert-dot.orange { background: var(--orange); }
.cert-dot.blue   { background: var(--blue);   }
.cert-dot.green  { background: var(--green);  }

.cert-cards { display: flex; flex-wrap: wrap; gap: 14px; }

.cert-card {
  flex: 1; min-width: 250px; max-width: 360px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 18px 22px;
  display: flex; align-items: center; gap: 14px;
  transition: var(--trans);
}
.cert-card:hover { background:var(--bg-card-h); border-color:rgba(0,212,255,.2); transform:translateY(-3px); }
.cert-card.featured { border-color:rgba(255,193,7,.3); background:rgba(255,193,7,.03); }

.cert-logo {
  width:48px; height:48px; border-radius:10px; flex-shrink:0;
  display:flex; align-items:center; justify-content:center;
  font-size:11px; font-weight:800;
}
.cert-logo.rh   { background:rgba(239,68,68,.14);  color:var(--red);    }
.cert-logo.ec   { background:rgba(249,115,22,.14); color:var(--orange); }
.cert-logo.k8s  { background:rgba(79,142,247,.14); color:var(--blue);   }
.cert-logo.ms   { background:rgba(96,165,250,.14); color:#60a5fa;       }
.cert-logo.vm   { background:rgba(34,197,94,.14);  color:var(--green);  }
.cert-logo.ft   { background:rgba(253,224,71,.14); color:#fde047;       }
.cert-logo.itil { background:rgba(168,85,247,.14); color:var(--purple); }

.cert-info { display:flex; flex-direction:column; gap:2px; }
.cert-info strong { font-size:.98rem; font-weight:700; color:var(--txt); }
.cert-info span   { font-size:12px; color:var(--txt-3); }

.cert-first-badge {
  display:inline-block; margin-top:4px;
  font-size:10px; font-style:normal; font-weight:600;
  color:var(--gold); background:rgba(255,193,7,.1);
  padding:2px 9px; border-radius:20px;
}


/* ══════════════════════════════════════════════
   GALLERY
══════════════════════════════════════════════ */
#gallery { background: var(--bg-2); overflow: hidden; }
#gallery .container { margin-bottom: 40px; }

.gallerySwiper { width: 100%; padding: 0 40px 50px !important; }

.gallery-slide {
  border-radius: var(--radius);
  overflow: hidden;
  position: relative;
  height: 400px;
  cursor: pointer;
}
.gallery-slide img {
  width: 100%; height: 100%;
  object-fit: cover;
  transition: transform .5s ease;
}
.gallerySwiper .swiper-slide:hover .gallery-slide img { transform: scale(1.04); }

.gallery-caption {
  position: absolute;
  bottom: 0; left: 0; right: 0;
  background: linear-gradient(to top, rgba(0,0,0,.9), transparent);
  padding: 44px 22px 20px;
  transform: translateY(100%);
  transition: transform .35s ease;
}
.gallerySwiper .swiper-slide:hover .gallery-caption { transform: translateY(0); }

.gallery-caption h4 { font-size: .9rem; color: #fff; margin-bottom: 5px; }
.gallery-caption p  { font-size: 12px; color: rgba(255,255,255,.65); line-height: 1.5; }

/* Swiper overrides */
.swiper-button-next,
.swiper-button-prev {
  color: var(--cyan) !important;
  background: rgba(8,12,20,.7);
  width: 44px !important;
  height: 44px !important;
  border-radius: 50%;
  backdrop-filter: blur(10px);
  border: 1px solid var(--border);
}
.swiper-button-next::after,
.swiper-button-prev::after { font-size: 15px !important; }
.swiper-pagination-bullet             { background: var(--cyan) !important; opacity:.35; }
.swiper-pagination-bullet-active      { opacity: 1 !important; }


/* ══════════════════════════════════════════════
   TESTIMONIALS
══════════════════════════════════════════════ */
#testimonials { background: var(--bg); }
.testimonialSwiper { padding-bottom: 52px !important; }

.testimonial-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 36px 32px;
  transition: var(--trans);
  margin: 6px 4px;
  height: auto;
}
.testimonial-card:hover {
  background: var(--bg-card-h);
  border-color: rgba(0,212,255,.2);
  transform: translateY(-4px);
  box-shadow: var(--glow);
}

.testi-quote { font-size: 2rem; color: var(--cyan); opacity: .3; margin-bottom: 14px; }
.testi-text  {
  font-size: 14.5px;
  color: var(--txt-2);
  line-height: 1.85;
  font-style: italic;
  margin-bottom: 26px;
}

.testi-author { display:flex; align-items:center; gap:14px; }
.testi-avatar {
  width:46px; height:46px; border-radius:50%; flex-shrink:0;
  background: linear-gradient(135deg, var(--cyan), var(--blue));
  display:flex; align-items:center; justify-content:center;
  font-weight:700; font-size:13px;
}
.testi-info strong { display:block; font-size:14px; color:var(--txt); margin-bottom:2px; }
.testi-info span   { font-size:12px; color:var(--txt-3); }


/* ══════════════════════════════════════════════
   ORGANISATIONS
══════════════════════════════════════════════ */
#orgs {
  background: var(--bg-2);
  padding: 64px 0;
}

.orgs-marquee {
  overflow: hidden;
  margin-top: 36px;
  padding: 20px 0;
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}
.orgs-track {
  display: flex;
  gap: 20px;
  white-space: nowrap;
  animation: orgsScroll 34s linear infinite;
}
.org-pill {
  display:inline-flex; align-items:center; gap:10px;
  padding: 10px 22px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 40px;
  font-size: 13.5px;
  font-weight: 500;
  color: var(--txt-2);
  white-space: nowrap;
  flex-shrink: 0;
}
.org-pill i { color: var(--cyan); }

@keyframes orgsScroll {
  0%   { transform: translateX(0); }
  100% { transform: translateX(-50%); }
}


/* ══════════════════════════════════════════════
   CONTACT
══════════════════════════════════════════════ */
#contact { background: var(--bg); }
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1.3fr;
  gap: 80px;
  align-items: start;
}

.contact-info h2 { font-size: clamp(1.8rem,3vw,2.4rem); margin-bottom: 18px; }
.contact-info > p { color: var(--txt-2); line-height: 1.8; margin-bottom: 32px; }

.contact-links { display:flex; flex-direction:column; gap:14px; }

.contact-item {
  display:flex; align-items:center; gap:14px;
  padding: 15px 18px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  transition: var(--trans);
}
.contact-item:not(.no-link):hover { background:var(--bg-card-h); border-color:rgba(0,212,255,.2); transform:translateX(4px); }
.contact-item i { font-size:1.4rem; color:var(--cyan); width:26px; text-align:center; }
.contact-item strong { display:block; font-size:13.5px; margin-bottom:2px; }
.contact-item span   { font-size:12.5px; color:var(--txt-3); }

/* Form */
.contact-form-wrap {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 20px;
  padding: 40px 36px;
}

.form-row { display:grid; grid-template-columns:1fr 1fr; gap:16px; }
.form-group { margin-bottom: 18px; }

.contact-form input,
.contact-form select,
.contact-form textarea {
  width: 100%;
  padding: 13px 16px;
  background: rgba(255,255,255,.04);
  border: 1px solid var(--border);
  border-radius: 8px;
  color: var(--txt);
  font-size: 14px;
  font-family: var(--font-b);
  outline: none;
  transition: var(--trans);
  appearance: none;
  -webkit-appearance: none;
}
.contact-form input:focus,
.contact-form select:focus,
.contact-form textarea:focus {
  border-color: var(--cyan);
  background: rgba(0,212,255,.04);
  box-shadow: 0 0 0 3px rgba(0,212,255,.1);
}
.contact-form input::placeholder,
.contact-form textarea::placeholder { color: var(--txt-3); }
.contact-form select option { background: var(--bg-2); color: var(--txt); }
.contact-form textarea { resize: vertical; min-height: 110px; }


/* ══════════════════════════════════════════════
   FOOTER
══════════════════════════════════════════════ */
#footer {
  background: #050810;
  border-top: 1px solid var(--border);
  padding: 64px 0 32px;
}
.footer-top {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: 60px;
  margin-bottom: 44px;
  padding-bottom: 44px;
  border-bottom: 1px solid var(--border);
}
.footer-brand h3 { font-size: 1.3rem; color: #fff; margin-bottom: 8px; }
.footer-brand p  { font-size: 12.5px; color: var(--txt-3); line-height: 1.9; }
.footer-tagline  { color: var(--cyan) !important; margin-top: 6px !important; }

.footer-links h4,
.footer-social h4 {
  font-size: 11px; font-weight: 700;
  letter-spacing: 2px; text-transform: uppercase;
  color: var(--txt-3); margin-bottom: 18px;
}
.footer-links ul { display:flex; flex-direction:column; gap:9px; }
.footer-links ul li a { font-size:14px; color:var(--txt-3); }
.footer-links ul li a:hover { color: var(--cyan); }

.social-links { display:flex; gap:12px; }
.social-links a {
  width:40px; height:40px; border-radius:50%;
  background: var(--bg-card);
  border: 1px solid var(--border);
  display:flex; align-items:center; justify-content:center;
  font-size:15px; color:var(--txt-3);
  transition: var(--trans);
}
.social-links a:hover { background:var(--cyan); color:var(--bg); border-color:var(--cyan); transform:translateY(-3px); }

.footer-bottom { text-align:center; }
.footer-bottom p { font-size:13px; color:var(--txt-3); line-height:1.9; }


/* ══════════════════════════════════════════════
   SCROLL-TO-TOP
══════════════════════════════════════════════ */
#scrollTop {
  position: fixed;
  bottom: 28px; right: 28px;
  width: 44px; height: 44px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--cyan), var(--blue));
  color: #fff;
  border: none; cursor: pointer;
  font-size: 15px;
  box-shadow: 0 4px 20px rgba(0,212,255,.35);
  opacity: 0;
  transform: translateY(20px);
  transition: var(--trans);
  z-index: 999;
  display: flex; align-items: center; justify-content: center;
}
#scrollTop.visible { opacity:1; transform:translateY(0); }
#scrollTop:hover   { transform:translateY(-3px); box-shadow:0 8px 28px rgba(0,212,255,.5); }


/* ══════════════════════════════════════════════
   FADE-UP ANIMATION
══════════════════════════════════════════════ */
.fade-up {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity .65s ease, transform .65s ease;
}
.fade-up.visible { opacity:1; transform:translateY(0); }


/* ══════════════════════════════════════════════
   RESPONSIVE
══════════════════════════════════════════════ */

/* Tablet */
@media (max-width: 1024px) {
  .hero-content { flex-direction: column; text-align: center; padding-top: 120px; }
  .hero-img-frame { width: 340px; height: 380px; }
  .hero-certs-row, .hero-btns { justify-content: center; }
  .hero-badge--gold { right: -8px; }
  .hero-badge--cyan { left: -8px; }

  .about-grid { grid-template-columns: 1fr; gap: 48px; }
  .about-images { height: 380px; }

  .expertise-grid { grid-template-columns: repeat(2,1fr); }

  .contact-grid { grid-template-columns: 1fr; gap: 48px; }

  .stats-grid { grid-template-columns: repeat(2,1fr); }

  .footer-top { grid-template-columns: 1fr 1fr; gap: 40px; }
  .footer-brand { grid-column: 1 / -1; }
}

/* Mobile */
@media (max-width: 768px) {
  section { padding: 64px 0; }

  /* Nav */
  .nav-links {
    display: none;
    position: absolute;
    top: var(--nav-h);
    left: 0; right: 0;
    background: rgba(8,12,20,.97);
    backdrop-filter: blur(20px);
    flex-direction: column;
    padding: 20px;
    border-bottom: 1px solid var(--border);
    gap: 4px;
  }
  .nav-links.open { display: flex; }
  .nav-links li a { display:block; padding:12px 16px; }
  .hamburger { display: flex; }

  /* Hero */
  .hero-img-frame  { width: 280px; height: 310px; }
  .hero-badge      { display: none; }
  .hero-btns       { flex-direction: column; align-items: center; }

  /* Sections */
  .expertise-grid  { grid-template-columns: 1fr; }
  .cert-cards      { flex-direction: column; }
  .cert-card       { max-width: 100%; }
  .form-row        { grid-template-columns: 1fr; }
  .contact-form-wrap { padding: 24px 20px; }
  .about-btns      { flex-direction: column; }

  /* Gallery */
  .gallerySwiper { padding: 0 16px 50px !important; }
  .gallery-slide { height: 300px; }
  .gallery-caption { transform: translateY(0); }   /* always visible on mobile */

  /* Footer */
  .footer-top { grid-template-columns: 1fr; gap: 32px; }
}

@media (max-width: 480px) {
  .hero-name  { font-size: 2rem; }
  .stats-grid { grid-template-columns: repeat(2,1fr); }
  .hero-img-frame { width: 260px; height: 290px; }
}