/* ============================================================
   NEXUS TECH — styles.css
   Palette: #CC5500 | #0066FF | #0B1F3B | #0A0A0A | #F5F7FA
   ============================================================ */

@import url('https://fonts.googleapis.com/css2?family=Syne:wght@400;600;700;800&family=DM+Sans:wght@300;400;500;600&display=swap');

/* ── Reset & Variables ─────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --orange:    #CC5500;
  --blue:      #0066FF;
  --deep-blue: #0B1F3B;
  --black:     #0A0A0A;
  --light:     #F5F7FA;
  --white:     #ffffff;
  --gray:      #8899AA;
  --grad-ia:   linear-gradient(135deg, #0066FF 0%, #00C6FF 100%);
  --shadow-glow: 0 0 24px rgba(0,102,255,0.35);
  --shadow-orange: 0 0 24px rgba(204,85,0,0.4);
  --radius:    12px;
  --font-head: 'Syne', sans-serif;
  --font-body: 'DM Sans', sans-serif;
}

html { scroll-behavior: smooth; overflow-x: hidden; }

body {
  font-family: var(--font-body);
  background: var(--black);
  color: var(--white);
  line-height: 1.65;
  overflow-x: hidden;
}

img { display: block; max-width: 100%; }
a  { text-decoration: none; color: inherit; }
ul { list-style: none; }

/* ── Typography ────────────────────────────────────────────── */
h1,h2,h3,h4 { font-family: var(--font-head); line-height: 1.15; }
h1 { font-size: clamp(2.2rem, 5vw, 4rem); font-weight: 800; }
h2 { font-size: clamp(1.8rem, 3.5vw, 2.8rem); font-weight: 700; }
h3 { font-size: clamp(1.2rem, 2vw, 1.6rem); font-weight: 600; }

/* ── Utility ───────────────────────────────────────────────── */
.container { max-width: 1200px; margin: 0 auto; padding: 0 24px; }
.section-tag {
  display: inline-block;
  font-size: .78rem;
  font-weight: 600;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: var(--blue);
  border: 1px solid rgba(0,102,255,.3);
  padding: 4px 14px;
  border-radius: 20px;
  margin-bottom: 16px;
  background: rgba(0,102,255,.06);
}
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 32px;
  border-radius: 50px;
  font-family: var(--font-head);
  font-size: .95rem;
  font-weight: 600;
  cursor: pointer;
  border: none;
  transition: transform .25s, box-shadow .25s, background .25s;
}
.btn-primary {
  background: var(--orange);
  color: var(--white);
  box-shadow: 0 4px 20px rgba(204,85,0,.35);
}
.btn-primary:hover { transform: translateY(-2px); box-shadow: var(--shadow-orange); }
.btn-outline {
  background: transparent;
  color: var(--blue);
  border: 2px solid var(--blue);
}
.btn-outline:hover { background: var(--blue); color: var(--white); transform: translateY(-2px); }
.text-orange { color: var(--orange); }
.text-blue   { color: var(--blue); }

/* ── HEADER ────────────────────────────────────────────────── */
#header {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 1000;
  padding: 0 40px;
  height: 70px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  background: rgba(10,10,10,.85);
  backdrop-filter: blur(14px);
  border-bottom: 1px solid rgba(255,255,255,.06);
  transition: background .3s;
}
#header.scrolled { background: rgba(10,10,10,.97); }

.logo {
  font-family: var(--font-head);
  font-size: 1.4rem;
  font-weight: 800;
  letter-spacing: -.02em;
}
.logo span { color: var(--orange); }
.logo em   { color: var(--blue); font-style: normal; }

nav ul { display: flex; gap: 36px; align-items: center; }
nav ul li a {
  font-size: .9rem;
  font-weight: 500;
  color: rgba(255,255,255,.75);
  transition: color .2s;
  position: relative;
}
nav ul li a::after {
  content: '';
  position: absolute;
  bottom: -4px; left: 0;
  width: 0; height: 2px;
  background: var(--orange);
  transition: width .25s;
}
nav ul li a:hover { color: var(--white); }
nav ul li a:hover::after { width: 100%; }
nav ul li a.nav-cta {
  background: var(--orange);
  color: var(--white);
  padding: 9px 22px;
  border-radius: 50px;
  font-weight: 600;
}
nav ul li a.nav-cta:hover { background: #e06000; }
nav ul li a.nav-cta::after { display: none; }

/* Hamburger */
.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  padding: 6px;
  background: none;
  border: none;
}
.hamburger span {
  display: block;
  width: 26px; height: 2px;
  background: var(--white);
  border-radius: 2px;
  transition: transform .3s, opacity .3s;
}
.hamburger.active span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.hamburger.active span:nth-child(2) { opacity: 0; }
.hamburger.active span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

@media (max-width: 860px) {
  .hamburger { display: flex; }
  nav {
    position: fixed;
    top: 70px; left: 0; right: 0;
    background: rgba(10,10,10,.98);
    padding: 24px;
    transform: translateY(-120%);
    opacity: 0;
    transition: transform .35s ease, opacity .35s ease;
    border-bottom: 1px solid rgba(255,255,255,.08);
  }
  nav.open { transform: translateY(0); opacity: 1; }
  nav ul { flex-direction: column; gap: 0; align-items: flex-start; }
  nav ul li { width: 100%; }
  nav ul li a { display: block; padding: 14px 0; border-bottom: 1px solid rgba(255,255,255,.06); }
  nav ul li:last-child a { border-bottom: none; }
  nav ul li a.nav-cta { display: inline-flex; margin-top: 12px; }
}

/* ── HERO ───────────────────────────────────────────────────── */
#hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 120px 24px 60px;
  overflow: hidden;
}

.hero-bg {
  position: absolute;
  inset: 0;
  background: url('https://images.unsplash.com/photo-1635070041078-e363dbe005cb?q=80&w=1920&auto=format&fit=crop') center/cover no-repeat;
  filter: brightness(.22) saturate(1.3);
  z-index: 0;
}
.hero-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(
    180deg,
    rgba(10,10,10,.2) 0%,
    rgba(11,31,59,.5) 50%,
    rgba(10,10,10,.95) 100%
  );
  z-index: 1;
}

/* Atomic canvas */
#atomicCanvas {
  position: absolute;
  inset: 0;
  z-index: 2;
  opacity: .45;
  pointer-events: none;
}

.hero-content {
  position: relative;
  z-index: 3;
  max-width: 820px;
}
.hero-content h1 { margin-bottom: 20px; text-shadow: 0 2px 30px rgba(0,0,0,.5); }
.hero-typewriter { color: var(--orange); display: inline-block; min-width: 320px; }
.hero-desc {
  font-size: 1.1rem;
  color: rgba(255,255,255,.72);
  max-width: 560px;
  margin: 0 auto 36px;
}
.hero-cta-group { display: flex; gap: 16px; justify-content: center; flex-wrap: wrap; }

/* Tech strip */
.tech-strip {
  position: relative;
  z-index: 3;
  width: 100%;
  margin-top: 60px;
  background: rgba(11,31,59,.7);
  border-top: 1px solid rgba(0,102,255,.2);
  border-bottom: 1px solid rgba(0,102,255,.2);
  padding: 22px 0;
  overflow: hidden;
}
.tech-strip::before, .tech-strip::after {
  content: '';
  position: absolute;
  top: 0; bottom: 0;
  width: 120px;
  z-index: 4;
  pointer-events: none;
}
.tech-strip::before { left: 0; background: linear-gradient(to right, rgba(11,31,59,.95), transparent); }
.tech-strip::after  { right: 0; background: linear-gradient(to left, rgba(11,31,59,.95), transparent); }

/* Shine sweep */
.tech-strip-inner { position: relative; overflow: hidden; }
.tech-strip-inner::after {
  content: '';
  position: absolute;
  top: 0; left: -100%;
  width: 60%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(0,198,255,.15), transparent);
  animation: techShine 4s linear infinite;
  pointer-events: none;
}
@keyframes techShine {
  0%   { left: -60%; }
  100% { left: 110%; }
}

.tech-track {
  display: flex;
  align-items: center;
  gap: 48px;
  width: max-content;
  animation: scrollTrack 22s linear infinite;
}
@keyframes scrollTrack {
  0%   { transform: translateX(0); }
  100% { transform: translateX(-50%); }
}
.tech-track:hover { animation-play-state: paused; }

.tech-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  white-space: nowrap;
  cursor: default;
  transition: transform .3s, filter .3s;
  padding: 0 8px;
}
.tech-item:hover {
  transform: scale(1.18) translateY(-4px);
  filter: drop-shadow(0 0 10px var(--blue));
}
.tech-item img { width: 40px; height: 40px; object-fit: contain; filter: brightness(0) invert(1) opacity(.75); }
.tech-item:hover img { filter: brightness(1) saturate(1.5) opacity(1); }
.tech-item span { font-size: .72rem; color: rgba(255,255,255,.5); font-weight: 500; letter-spacing: .04em; }
.tech-item:hover span { color: var(--blue); }

/* ── SERVICES GRID ─────────────────────────────────────────── */
#services {
  padding: 100px 0;
  background: var(--black);
}
.services-header { text-align: center; margin-bottom: 60px; }
.services-header p { color: var(--gray); max-width: 500px; margin: 16px auto 0; font-size: 1rem; }

.services-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
  place-items: center;
}
.service-card {
  width: 100%;
  background: rgba(11,31,59,.6);
  border: 1px solid rgba(0,102,255,.15);
  border-radius: 20px;
  padding: 40px 32px;
  text-align: center;
  cursor: pointer;
  position: relative;
  overflow: hidden;
  transition: transform .3s, border-color .3s, box-shadow .3s;
  text-decoration: none;
  display: block;
  color: var(--white);
}
.service-card::before {
  content: '';
  position: absolute;
  inset: 0;
  background: var(--grad-ia);
  opacity: 0;
  transition: opacity .35s;
  z-index: 0;
}
.service-card:hover {
  transform: translateY(-8px);
  border-color: var(--blue);
  box-shadow: 0 0 40px rgba(0,102,255,.3), 0 0 0 1px rgba(0,102,255,.2);
}
.service-card:hover::before { opacity: .08; }
.service-card > * { position: relative; z-index: 1; }

.service-icon {
  width: 64px; height: 64px;
  background: rgba(0,102,255,.12);
  border: 1px solid rgba(0,102,255,.25);
  border-radius: 16px;
  display: flex; align-items: center; justify-content: center;
  margin: 0 auto 20px;
  font-size: 1.8rem;
  transition: background .3s, box-shadow .3s;
}
.service-card:hover .service-icon {
  background: rgba(0,102,255,.25);
  box-shadow: 0 0 20px rgba(0,102,255,.35);
}
.service-card h3 { font-size: 1.15rem; margin-bottom: 10px; }
.service-card p  { font-size: .88rem; color: var(--gray); line-height: 1.55; }
.card-arrow {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  margin-top: 20px;
  font-size: .82rem;
  font-weight: 600;
  color: var(--blue);
  letter-spacing: .04em;
  text-transform: uppercase;
}

@media (max-width: 900px) { .services-grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 560px) { .services-grid { grid-template-columns: 1fr; } }

/* ── ABOUT ─────────────────────────────────────────────────── */
#about {
  padding: 100px 0;
  background: linear-gradient(180deg, var(--black) 0%, #071325 100%);
}
.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 72px;
  align-items: center;
}
.about-img-wrap {
  position: relative;
  border-radius: 20px;
  overflow: hidden;
}
.about-img-wrap::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(0,102,255,.18), transparent 60%);
  pointer-events: none;
}
.about-img-wrap img {
  width: 100%;
  height: 480px;
  object-fit: cover;
  border-radius: 20px;
  filter: saturate(1.1);
}
.about-frame {
  position: absolute;
  top: -12px; left: -12px; right: 12px; bottom: 12px;
  border: 2px solid rgba(0,102,255,.3);
  border-radius: 22px;
  pointer-events: none;
}
.about-text h2 { margin-bottom: 20px; }
.about-text p  { color: rgba(255,255,255,.72); margin-bottom: 16px; font-size: 1rem; }
.about-badges { display: flex; gap: 12px; flex-wrap: wrap; margin: 28px 0 36px; }
.badge {
  padding: 7px 16px;
  border-radius: 50px;
  font-size: .82rem;
  font-weight: 600;
  background: rgba(0,102,255,.1);
  border: 1px solid rgba(0,102,255,.25);
  color: #69AAFF;
}

@media (max-width: 768px) {
  .about-grid { grid-template-columns: 1fr; gap: 40px; }
  .about-img-wrap img { height: 300px; }
}

/* ── TESTIMONIALS ──────────────────────────────────────────── */
#testimonials {
  padding: 100px 0;
  background: var(--black);
}
.testimonials-header { text-align: center; margin-bottom: 56px; }
.testi-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}
.testi-card {
  background: rgba(11,31,59,.55);
  border: 1px solid rgba(0,102,255,.12);
  border-radius: 20px;
  padding: 36px 28px;
  position: relative;
  overflow: hidden;
  transition: transform .3s, border-color .3s;
}
.testi-card:hover { transform: translateY(-6px); border-color: rgba(0,102,255,.35); }
.testi-quote {
  font-size: 3rem;
  color: var(--orange);
  line-height: 1;
  margin-bottom: 16px;
  font-family: Georgia, serif;
}
.testi-text { font-size: .95rem; color: rgba(255,255,255,.78); line-height: 1.7; margin-bottom: 28px; font-style: italic; }
.testi-author { display: flex; align-items: center; gap: 14px; }
.testi-author img {
  width: 48px; height: 48px;
  border-radius: 50%;
  object-fit: cover;
  border: 2px solid rgba(0,102,255,.3);
}
.testi-name { font-weight: 600; font-size: .9rem; }
.testi-role { font-size: .78rem; color: var(--gray); }
.stars { color: #FFC940; font-size: .8rem; margin-bottom: 2px; }

@media (max-width: 900px) { .testi-grid { grid-template-columns: 1fr 1fr; } }
@media (max-width: 560px) { .testi-grid { grid-template-columns: 1fr; } }

/* ── WHY US BANNER ─────────────────────────────────────────── */
#why-us {
  padding: 90px 0;
  background: linear-gradient(135deg, #071325 0%, #0B1F3B 100%);
  border-top: 1px solid rgba(0,102,255,.15);
  border-bottom: 1px solid rgba(0,102,255,.15);
}
.why-header { text-align: center; margin-bottom: 56px; }
.why-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 28px;
}
.why-card {
  text-align: center;
  padding: 36px 24px;
  background: rgba(0,0,0,.25);
  border-radius: 16px;
  border: 1px solid rgba(0,102,255,.12);
  transition: transform .3s, border-color .3s;
}
.why-card:hover { transform: translateY(-6px); border-color: rgba(204,85,0,.4); }
.why-num {
  font-family: var(--font-head);
  font-size: 2.8rem;
  font-weight: 800;
  background: var(--grad-ia);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  margin-bottom: 8px;
}
.why-card h4 { font-size: 1rem; margin-bottom: 10px; color: var(--white); }
.why-card p  { font-size: .85rem; color: var(--gray); }

@media (max-width: 900px) { .why-grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 480px) { .why-grid { grid-template-columns: 1fr; } }

/* ── BLOG ──────────────────────────────────────────────────── */
#blog {
  padding: 100px 0;
  background: var(--black);
}
.blog-header { text-align: center; margin-bottom: 56px; }
.blog-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}
.blog-card {
  background: rgba(11,31,59,.5);
  border: 1px solid rgba(0,102,255,.1);
  border-radius: 20px;
  overflow: hidden;
  transition: transform .3s, border-color .3s, box-shadow .3s;
}
.blog-card:hover {
  transform: translateY(-6px);
  border-color: rgba(0,102,255,.35);
  box-shadow: 0 12px 40px rgba(0,102,255,.15);
}
.blog-img {
  width: 100%; height: 200px;
  object-fit: cover;
  transition: transform .4s;
}
.blog-card:hover .blog-img { transform: scale(1.04); }
.blog-body { padding: 24px; }
.blog-tag {
  font-size: .72rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: .1em;
  color: var(--orange);
  margin-bottom: 10px;
}
.blog-card h3 { font-size: 1.05rem; margin-bottom: 10px; line-height: 1.4; }
.blog-meta {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-top: 18px;
  font-size: .8rem;
  color: var(--gray);
}
.blog-likes {
  display: flex;
  align-items: center;
  gap: 5px;
  cursor: pointer;
  transition: color .2s;
  background: none; border: none; color: var(--gray);
  font-family: var(--font-body);
  font-size: .8rem;
}
.blog-likes:hover { color: #FF6B8A; }
.blog-likes.liked { color: #FF6B8A; }
.blog-likes .heart { font-size: .9rem; }

@media (max-width: 900px) { .blog-grid { grid-template-columns: 1fr 1fr; } }
@media (max-width: 560px) { .blog-grid { grid-template-columns: 1fr; } }

/* ── FAQ ───────────────────────────────────────────────────── */
#faq {
  padding: 100px 0;
  background: linear-gradient(180deg, #071325 0%, var(--black) 100%);
}
.faq-header { text-align: center; margin-bottom: 56px; }
.faq-list { max-width: 780px; margin: 0 auto; }
.faq-item {
  border-bottom: 1px solid rgba(255,255,255,.08);
  overflow: hidden;
}
.faq-question {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 22px 0;
  cursor: pointer;
  font-weight: 600;
  font-size: 1rem;
  color: var(--white);
  gap: 16px;
  background: none;
  border: none;
  width: 100%;
  text-align: left;
  font-family: var(--font-body);
}
.faq-question:hover { color: var(--blue); }
.faq-icon {
  flex-shrink: 0;
  width: 28px; height: 28px;
  background: rgba(0,102,255,.12);
  border: 1px solid rgba(0,102,255,.2);
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  font-size: 1.1rem;
  transition: transform .35s, background .3s;
  color: var(--blue);
}
.faq-item.open .faq-icon { transform: rotate(45deg); background: rgba(0,102,255,.25); }
.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height .4s ease, padding .4s ease;
  font-size: .95rem;
  color: rgba(255,255,255,.7);
  line-height: 1.7;
}
.faq-item.open .faq-answer { max-height: 400px; padding-bottom: 22px; }

/* ── CONTACT ───────────────────────────────────────────────── */
#contact {
  padding: 100px 0;
  background: var(--black);
}
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 72px;
  align-items: start;
}
.contact-info h2 { margin-bottom: 16px; }
.contact-info p { color: var(--gray); margin-bottom: 36px; font-size: 1rem; }
.contact-item {
  display: flex;
  align-items: center;
  gap: 14px;
  margin-bottom: 20px;
  font-size: .95rem;
}
.contact-item-icon {
  width: 44px; height: 44px;
  background: rgba(0,102,255,.1);
  border: 1px solid rgba(0,102,255,.2);
  border-radius: 12px;
  display: flex; align-items: center; justify-content: center;
  font-size: 1.1rem;
  flex-shrink: 0;
}

/* Form */
.contact-form { background: rgba(11,31,59,.5); border: 1px solid rgba(0,102,255,.15); border-radius: 24px; padding: 40px; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.form-group { margin-bottom: 20px; }
.form-group label { display: block; font-size: .82rem; font-weight: 600; color: rgba(255,255,255,.6); margin-bottom: 8px; text-transform: uppercase; letter-spacing: .06em; }
.form-group input,
.form-group textarea {
  width: 100%;
  background: rgba(255,255,255,.05);
  border: 1px solid rgba(255,255,255,.1);
  border-radius: 10px;
  padding: 13px 16px;
  color: var(--white);
  font-family: var(--font-body);
  font-size: .95rem;
  transition: border-color .25s, box-shadow .25s;
  outline: none;
}
.form-group input:focus,
.form-group textarea:focus {
  border-color: var(--blue);
  box-shadow: 0 0 0 3px rgba(0,102,255,.12);
}
.form-group input.error { border-color: #FF4A6B; }
.form-group .err-msg { color: #FF4A6B; font-size: .78rem; margin-top: 5px; display: none; }
.form-group input.error ~ .err-msg { display: block; }
.form-group textarea { resize: vertical; min-height: 120px; }
.form-success, .form-error-msg {
  display: none;
  padding: 14px 20px;
  border-radius: 10px;
  font-size: .9rem;
  margin-top: 16px;
  text-align: center;
}
.form-success  { background: rgba(0,200,100,.12); border: 1px solid rgba(0,200,100,.3); color: #5CFFB0; }
.form-error-msg{ background: rgba(255,50,70,.1); border: 1px solid rgba(255,50,70,.3); color: #FF7A90; }

@media (max-width: 900px) {
  .contact-grid { grid-template-columns: 1fr; gap: 48px; }
  .form-row { grid-template-columns: 1fr; }
}

/* ── FOOTER ────────────────────────────────────────────────── */
footer {
  background: #050B14;
  border-top: 1px solid rgba(0,102,255,.12);
  padding: 72px 0 32px;
}
.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1.5fr;
  gap: 48px;
  margin-bottom: 56px;
}
.footer-brand p { color: var(--gray); font-size: .88rem; margin: 16px 0 24px; max-width: 280px; line-height: 1.65; }
.footer-socials { display: flex; gap: 12px; }
.social-link {
  width: 38px; height: 38px;
  background: rgba(0,102,255,.1);
  border: 1px solid rgba(0,102,255,.2);
  border-radius: 10px;
  display: flex; align-items: center; justify-content: center;
  font-size: .9rem;
  color: rgba(255,255,255,.6);
  transition: background .25s, color .25s, border-color .25s;
}
.social-link:hover { background: var(--blue); color: var(--white); border-color: var(--blue); }
.footer-col h5 { font-size: .9rem; font-weight: 700; margin-bottom: 20px; color: var(--white); }
.footer-col ul li { margin-bottom: 10px; }
.footer-col ul li a { font-size: .85rem; color: var(--gray); transition: color .2s; }
.footer-col ul li a:hover { color: var(--orange); }
.newsletter-form { display: flex; gap: 8px; margin-top: 16px; }
.newsletter-form input {
  flex: 1;
  background: rgba(255,255,255,.06);
  border: 1px solid rgba(255,255,255,.1);
  border-radius: 10px;
  padding: 10px 14px;
  color: var(--white);
  font-family: var(--font-body);
  font-size: .85rem;
  outline: none;
  transition: border-color .25s;
}
.newsletter-form input:focus { border-color: var(--blue); }
.newsletter-form button {
  background: var(--orange);
  color: var(--white);
  border: none;
  border-radius: 10px;
  padding: 10px 18px;
  font-size: .82rem;
  font-weight: 600;
  cursor: pointer;
  transition: background .25s;
  white-space: nowrap;
}
.newsletter-form button:hover { background: #e06000; }
.footer-divider { height: 1px; background: rgba(255,255,255,.06); margin-bottom: 32px; }
.footer-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: .82rem;
  color: var(--gray);
  flex-wrap: wrap;
  gap: 12px;
}
.footer-bottom a { color: var(--gray); transition: color .2s; }
.footer-bottom a:hover { color: var(--white); }

/* WhatsApp Float */
.wa-float {
  position: fixed;
  bottom: 32px; right: 32px;
  z-index: 999;
  width: 58px; height: 58px;
  background: #25D366;
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  box-shadow: 0 4px 20px rgba(37,211,102,.4);
  transition: transform .3s, box-shadow .3s;
  text-decoration: none;
  font-size: 1.5rem;
}
.wa-float:hover { transform: scale(1.1); box-shadow: 0 6px 28px rgba(37,211,102,.55); }

@media (max-width: 900px) {
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 36px; }
}
@media (max-width: 560px) {
  .footer-grid { grid-template-columns: 1fr; }
  .footer-bottom { flex-direction: column; text-align: center; }
}

/* ── SERVICE SUBPAGES ──────────────────────────────────────── */
.subpage-hero {
  padding: 140px 0 80px;
  text-align: center;
  background: linear-gradient(180deg, #071325 0%, var(--black) 100%);
  position: relative;
  overflow: hidden;
}
.subpage-hero::before {
  content: '';
  position: absolute;
  top: -40%; left: 50%;
  transform: translateX(-50%);
  width: 600px; height: 600px;
  background: radial-gradient(circle, rgba(0,102,255,.12) 0%, transparent 70%);
  pointer-events: none;
}
.subpage-hero h1 { margin-bottom: 16px; }
.subpage-hero p  { color: var(--gray); max-width: 560px; margin: 0 auto 32px; font-size: 1.05rem; }

.back-btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 11px 26px;
  border-radius: 50px;
  font-family: var(--font-head);
  font-size: .88rem;
  font-weight: 600;
  background: rgba(0,102,255,.12);
  border: 1px solid rgba(0,102,255,.25);
  color: var(--blue);
  cursor: pointer;
  transition: background .25s, transform .25s;
  text-decoration: none;
  margin-bottom: 60px;
}
.back-btn:hover { background: var(--blue); color: var(--white); transform: translateX(-3px); }

.subcategory-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 28px;
  margin-bottom: 80px;
}
.sub-card {
  background: rgba(11,31,59,.6);
  border: 1px solid rgba(0,102,255,.15);
  border-radius: 20px;
  padding: 40px 32px;
  text-align: center;
  transition: transform .3s, border-color .3s, box-shadow .3s;
}
.sub-card:hover {
  transform: translateY(-6px);
  border-color: var(--orange);
  box-shadow: var(--shadow-orange);
}
.sub-card-icon { font-size: 2.8rem; margin-bottom: 16px; }
.sub-card h3 { margin-bottom: 12px; font-size: 1.1rem; }
.sub-card p  { font-size: .88rem; color: var(--gray); line-height: 1.6; }

/* Scroll reveal */
.reveal {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity .65s ease, transform .65s ease;
}
.reveal.visible { opacity: 1; transform: translateY(0); }