/* =====================================================
   RESET & BASE
===================================================== */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --clr-primary:   #0a3d8f;
  --clr-primary-d: #072e6e;
  --clr-accent:    #f5a623;
  --clr-accent-d:  #d4891a;
  --clr-bg:        #f8f9fb;
  --clr-surface:   #ffffff;
  --clr-text:      #1a2233;
  --clr-muted:     #5c6680;
  --clr-border:    #e0e6f0;
  --radius:        12px;
  --radius-lg:     20px;
  --shadow-sm:     0 2px 8px rgba(10,61,143,.07);
  --shadow-md:     0 6px 24px rgba(10,61,143,.12);
  --shadow-lg:     0 16px 48px rgba(10,61,143,.16);
  --transition:    .3s cubic-bezier(.4,0,.2,1);
  --header-h:      72px;
  --font:          'Inter', system-ui, sans-serif;
}

html { scroll-behavior: smooth; font-size: 16px; }

body {
  font-family: var(--font);
  color: var(--clr-text);
  background: var(--clr-surface);
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}

img { max-width: 100%; display: block; }
a  { color: inherit; text-decoration: none; }
ul { list-style: none; }
button { cursor: pointer; border: none; background: none; font-family: inherit; }

/* =====================================================
   TYPOGRAPHY
===================================================== */
h1 { font-size: clamp(2rem, 5vw, 3.5rem); font-weight: 800; line-height: 1.15; }
h2 { font-size: clamp(1.6rem, 3.5vw, 2.6rem); font-weight: 700; line-height: 1.2; }
h3 { font-size: 1.15rem; font-weight: 600; }
p  { color: var(--clr-muted); }

/* =====================================================
   LAYOUT
===================================================== */
.container { max-width: 1200px; margin-inline: auto; padding-inline: 1.5rem; }
.section    { padding-block: 5rem; }

/* =====================================================
   BUTTONS
===================================================== */
.btn {
  display: inline-flex;
  align-items: center;
  gap: .5rem;
  padding: .75rem 1.75rem;
  border-radius: 50px;
  font-weight: 600;
  font-size: .95rem;
  transition: var(--transition);
  cursor: pointer;
  white-space: nowrap;
}

.btn-primary {
  background: var(--clr-accent);
  color: #fff;
  box-shadow: 0 4px 16px rgba(245,166,35,.35);
}
.btn-primary:hover {
  background: var(--clr-accent-d);
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(245,166,35,.4);
}

.btn-outline {
  background: transparent;
  color: var(--clr-primary);
  border: 2px solid var(--clr-primary);
}
.btn-outline:hover {
  background: var(--clr-primary);
  color: #fff;
  transform: translateY(-2px);
}

.btn-outline-white {
  background: transparent;
  color: #fff;
  border: 2px solid rgba(255,255,255,.6);
}
.btn-outline-white:hover {
  background: rgba(255,255,255,.15);
  border-color: #fff;
}

.btn-whatsapp {
  background: #25d366;
  color: #fff;
  box-shadow: 0 4px 16px rgba(37,211,102,.35);
}
.btn-whatsapp:hover {
  background: #1ebe5a;
  transform: translateY(-2px);
}

.btn-sm { padding: .45rem 1.1rem; font-size: .85rem; }

/* =====================================================
   SECTION LABELS
===================================================== */
.section-tag {
  display: inline-block;
  background: rgba(10,61,143,.08);
  color: var(--clr-primary);
  font-size: .78rem;
  font-weight: 700;
  letter-spacing: .08em;
  text-transform: uppercase;
  padding: .3rem .9rem;
  border-radius: 50px;
  margin-bottom: 1rem;
}

.section-header {
  text-align: center;
  max-width: 680px;
  margin-inline: auto;
  margin-bottom: 3.5rem;
}

.section-title { color: var(--clr-text); margin-bottom: .75rem; }
.section-desc  { font-size: 1.05rem; }

/* =====================================================
   AOS (simple scroll animation)
===================================================== */
[data-aos] {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity .7s ease, transform .7s ease;
}
[data-aos].visible {
  opacity: 1;
  transform: translateY(0);
}

/* =====================================================
   COOKIE BANNER
===================================================== */
.cookie-banner {
  position: fixed;
  bottom: 0; left: 0; right: 0;
  background: var(--clr-primary-d);
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 1rem 1.5rem;
  z-index: 9999;
  flex-wrap: wrap;
  font-size: .9rem;
  box-shadow: 0 -4px 16px rgba(0,0,0,.15);
  transform: translateY(0);
  transition: transform .4s ease;
}
.cookie-banner.hidden { transform: translateY(110%); }
.cookie-banner p       { color: rgba(255,255,255,.85); margin: 0; }
.cookie-banner .btn-sm { background: var(--clr-accent); color: #fff; flex-shrink: 0; }

/* =====================================================
   HEADER
===================================================== */
.header {
  position: sticky;
  top: 0;
  z-index: 900;
  background: rgba(255,255,255,.95);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--clr-border);
  height: var(--header-h);
  transition: box-shadow var(--transition);
}
.header.scrolled { box-shadow: var(--shadow-md); }

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
}

/* Logo */
.logo { display: flex; align-items: baseline; gap: .15rem; font-size: 1.4rem; font-weight: 800; line-height: 1; }
.logo-mar   { color: var(--clr-primary); }
.logo-press { color: var(--clr-accent); }
.logo-sub   { font-size: .55rem; font-weight: 600; letter-spacing: .12em; color: var(--clr-muted); margin-left: .3rem; text-transform: uppercase; align-self: flex-end; padding-bottom: .15rem; }

/* Nav */
.nav-list { display: flex; align-items: center; gap: .25rem; }
.nav-link {
  padding: .45rem .85rem;
  border-radius: 50px;
  font-size: .9rem;
  font-weight: 500;
  color: var(--clr-text);
  transition: var(--transition);
}
.nav-link:hover  { background: rgba(10,61,143,.07); color: var(--clr-primary); }
.nav-cta {
  background: var(--clr-primary);
  color: #fff !important;
  padding: .5rem 1.2rem;
  margin-left: .5rem;
}
.nav-cta:hover { background: var(--clr-primary-d); }

/* Hamburger */
.hamburger { display: none; flex-direction: column; gap: 5px; padding: .5rem; }
.hamburger span { display: block; width: 24px; height: 2px; background: var(--clr-text); border-radius: 2px; transition: var(--transition); }
.hamburger.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.hamburger.open span:nth-child(2) { opacity: 0; }
.hamburger.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* =====================================================
   HERO
===================================================== */
.hero {
  position: relative;
  min-height: calc(100vh - var(--header-h));
  background: linear-gradient(135deg, var(--clr-primary) 0%, #1558b0 50%, #0a3d8f 100%);
  display: flex;
  align-items: center;
  overflow: hidden;
  padding-block: 5rem 7rem;
}

.hero-bg {
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse 60% 60% at 80% 20%, rgba(245,166,35,.15) 0%, transparent 60%),
    radial-gradient(ellipse 40% 50% at 10% 80%, rgba(255,255,255,.06) 0%, transparent 60%);
  pointer-events: none;
}

.hero-content {
  position: relative;
  z-index: 1;
  max-width: 780px;
  color: #fff;
}

.badge {
  display: inline-block;
  background: rgba(255,255,255,.15);
  border: 1px solid rgba(255,255,255,.3);
  color: rgba(255,255,255,.95);
  font-size: .8rem;
  font-weight: 600;
  letter-spacing: .07em;
  text-transform: uppercase;
  padding: .35rem 1rem;
  border-radius: 50px;
  margin-bottom: 1.25rem;
}

.hero-title { color: #fff; margin-bottom: 1.25rem; }

.hero-desc {
  color: rgba(255,255,255,.85);
  font-size: 1.15rem;
  max-width: 580px;
  margin-bottom: 2rem;
}

.hero-actions { display: flex; gap: 1rem; flex-wrap: wrap; }

.hero-wave {
  position: absolute;
  bottom: -1px; left: 0; right: 0;
  line-height: 0;
}
.hero-wave svg { width: 100%; height: 60px; }

/* =====================================================
   STATS BAR
===================================================== */
.stats-bar {
  background: var(--clr-bg);
  padding-block: 2.5rem;
  border-bottom: 1px solid var(--clr-border);
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.5rem;
  text-align: center;
}

.stat-item { padding: 1rem; }
.stat-number {
  display: block;
  font-size: 2.4rem;
  font-weight: 800;
  color: var(--clr-primary);
  line-height: 1;
  margin-bottom: .4rem;
}
.stat-label { font-size: .9rem; color: var(--clr-muted); font-weight: 500; }

/* =====================================================
   ABOUT
===================================================== */
.about { background: var(--clr-surface); }

.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: start;
}

.about-text .section-tag  { margin-bottom: 1rem; }
.about-text .section-title { margin-bottom: 1.25rem; }
.about-text p  { margin-bottom: 1rem; }

.about-cards {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}

.mvv-card {
  background: var(--clr-bg);
  border: 1px solid var(--clr-border);
  border-left: 4px solid var(--clr-primary);
  border-radius: var(--radius);
  padding: 1.5rem;
  transition: var(--transition);
}
.mvv-card:hover { box-shadow: var(--shadow-md); transform: translateX(4px); }
.mvv-icon { font-size: 1.75rem; margin-bottom: .6rem; }
.mvv-card h3 { color: var(--clr-text); margin-bottom: .4rem; }

/* =====================================================
   PRODUCTS
===================================================== */
.products { background: var(--clr-bg); }

.products-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
  margin-bottom: 2.5rem;
}

.product-card {
  background: var(--clr-surface);
  border: 1px solid var(--clr-border);
  border-radius: var(--radius-lg);
  padding: 2rem 1.75rem;
  transition: var(--transition);
  position: relative;
  overflow: hidden;
}

.product-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--clr-primary), var(--clr-accent));
  transform: scaleX(0);
  transform-origin: left;
  transition: transform .4s ease;
}

.product-card:hover { box-shadow: var(--shadow-lg); transform: translateY(-6px); }
.product-card:hover::before { transform: scaleX(1); }

.product-icon { font-size: 2.5rem; margin-bottom: 1rem; }
.product-card h3 { color: var(--clr-text); margin-bottom: .65rem; }

.card-link {
  display: inline-block;
  margin-top: 1rem;
  color: var(--clr-primary);
  font-weight: 600;
  font-size: .9rem;
  transition: var(--transition);
}
.card-link:hover { color: var(--clr-accent); letter-spacing: .02em; }

.products-cta { text-align: center; }

/* =====================================================
   SERVICES
===================================================== */
.services { background: var(--clr-surface); }

.services-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.5rem;
}

.service-item {
  display: flex;
  gap: 1.25rem;
  background: var(--clr-bg);
  border: 1px solid var(--clr-border);
  border-radius: var(--radius-lg);
  padding: 2rem;
  transition: var(--transition);
}
.service-item:hover { box-shadow: var(--shadow-md); transform: translateY(-4px); }

.service-num {
  font-size: 2.5rem;
  font-weight: 800;
  color: var(--clr-border);
  line-height: 1;
  flex-shrink: 0;
  min-width: 3rem;
}
.service-body h3 { color: var(--clr-text); margin-bottom: .6rem; }
.service-body p   { font-size: .95rem; margin-bottom: .75rem; }

/* =====================================================
   CASES
===================================================== */
.cases { background: var(--clr-bg); }

.cases-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
}

.case-card {
  background: var(--clr-surface);
  border: 1px solid var(--clr-border);
  border-radius: var(--radius-lg);
  padding: 2rem;
  transition: var(--transition);
}
.case-card:hover { box-shadow: var(--shadow-lg); transform: translateY(-5px); }

.case-tag {
  display: inline-block;
  background: rgba(10,61,143,.08);
  color: var(--clr-primary);
  font-size: .75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: .06em;
  padding: .25rem .75rem;
  border-radius: 50px;
  margin-bottom: .9rem;
}

.case-card h3   { color: var(--clr-text); margin-bottom: .3rem; font-size: 1rem; }
.case-role      { font-size: .82rem; color: var(--clr-accent-d); font-weight: 600; margin-bottom: .75rem; }
.case-card p:last-child { font-size: .92rem; }

/* =====================================================
   CTA BANNER
===================================================== */
.cta-banner {
  background: linear-gradient(135deg, var(--clr-primary) 0%, #1558b0 100%);
  padding-block: 4.5rem;
}

.cta-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 3rem;
  flex-wrap: wrap;
}

.cta-text { flex: 1; min-width: 260px; }
.cta-text h2 { color: #fff; margin-bottom: .75rem; }
.cta-text p  { color: rgba(255,255,255,.8); max-width: 520px; }

.cta-actions { display: flex; gap: 1rem; flex-wrap: wrap; }

/* =====================================================
   CONTACT
===================================================== */
.contact { background: var(--clr-surface); }

.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1.4fr;
  gap: 4rem;
  align-items: start;
}

.contact-info .section-title { margin-bottom: 1rem; }
.contact-info > p { margin-bottom: 1.5rem; }

.contact-list { display: flex; flex-direction: column; gap: .9rem; margin-bottom: 2rem; }
.contact-list li { display: flex; align-items: center; gap: .75rem; font-size: .95rem; }
.contact-icon     { font-size: 1.1rem; width: 2rem; text-align: center; }
.contact-list a   { color: var(--clr-primary); font-weight: 500; }
.contact-list a:hover { color: var(--clr-accent-d); }

.social-links { display: flex; gap: .75rem; }
.social-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: var(--clr-bg);
  border: 1px solid var(--clr-border);
  font-weight: 700;
  font-size: .85rem;
  color: var(--clr-primary);
  transition: var(--transition);
  text-transform: uppercase;
}
.social-btn:hover { background: var(--clr-primary); color: #fff; border-color: var(--clr-primary); transform: translateY(-2px); }

/* Form */
.contact-form {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.25rem;
  background: var(--clr-bg);
  border: 1px solid var(--clr-border);
  border-radius: var(--radius-lg);
  padding: 2.5rem;
}

.form-group { display: flex; flex-direction: column; gap: .4rem; }
.form-group-full { grid-column: 1 / -1; }
.form-submit      { grid-column: 1 / -1; }

.form-group label { font-size: .85rem; font-weight: 600; color: var(--clr-text); }

.form-group input,
.form-group select,
.form-group textarea {
  padding: .7rem 1rem;
  border: 1.5px solid var(--clr-border);
  border-radius: 8px;
  font-family: inherit;
  font-size: .95rem;
  color: var(--clr-text);
  background: var(--clr-surface);
  transition: var(--transition);
  outline: none;
  resize: vertical;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus { border-color: var(--clr-primary); box-shadow: 0 0 0 3px rgba(10,61,143,.1); }

.form-group input.invalid,
.form-group textarea.invalid { border-color: #e53e3e; }

.form-note { grid-column: 1 / -1; font-size: .9rem; min-height: 1.2rem; }
.form-note.success { color: #2f855a; }
.form-note.error   { color: #c53030; }

/* =====================================================
   FOOTER
===================================================== */
.footer {
  background: var(--clr-text);
  color: rgba(255,255,255,.7);
  padding-top: 4rem;
}

.footer-inner {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 3rem;
  padding-bottom: 3rem;
}

.logo-footer .logo-mar   { color: #fff; }
.logo-footer .logo-press { color: var(--clr-accent); }
.logo-footer .logo-sub   { color: rgba(255,255,255,.5); }

.footer-brand p { font-size: .9rem; margin-top: 1rem; max-width: 260px; }

.footer-links h4 { color: #fff; font-size: .85rem; text-transform: uppercase; letter-spacing: .08em; margin-bottom: 1.1rem; }
.footer-links ul { display: flex; flex-direction: column; gap: .65rem; }
.footer-links a  { font-size: .9rem; color: rgba(255,255,255,.65); transition: var(--transition); }
.footer-links a:hover { color: var(--clr-accent); padding-left: 4px; }

.footer-bottom {
  border-top: 1px solid rgba(255,255,255,.1);
  padding-block: 1.5rem;
}
.footer-bottom p { font-size: .85rem; text-align: center; }

/* =====================================================
   WHATSAPP FLOAT
===================================================== */
.whatsapp-float {
  position: fixed;
  bottom: 1.75rem;
  right: 1.75rem;
  width: 58px;
  height: 58px;
  background: #25d366;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  box-shadow: 0 6px 20px rgba(37,211,102,.5);
  z-index: 800;
  transition: var(--transition);
}
.whatsapp-float:hover { transform: scale(1.12); box-shadow: 0 8px 28px rgba(37,211,102,.6); }

/* =====================================================
   BACK TO TOP
===================================================== */
.back-to-top {
  position: fixed;
  bottom: 5.5rem;
  right: 1.75rem;
  width: 42px;
  height: 42px;
  background: var(--clr-primary);
  color: #fff;
  border-radius: 50%;
  font-size: 1.1rem;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: var(--shadow-sm);
  z-index: 800;
  opacity: 0;
  pointer-events: none;
  transition: var(--transition);
}
.back-to-top.visible { opacity: 1; pointer-events: auto; }
.back-to-top:hover   { background: var(--clr-primary-d); transform: translateY(-2px); }

/* =====================================================
   RESPONSIVE
===================================================== */
@media (max-width: 1024px) {
  .about-grid        { grid-template-columns: 1fr; gap: 2.5rem; }
  .products-grid     { grid-template-columns: repeat(2, 1fr); }
  .cases-grid        { grid-template-columns: repeat(2, 1fr); }
  .footer-inner      { grid-template-columns: 1fr 1fr; gap: 2rem; }
  .footer-brand      { grid-column: 1 / -1; }
}

@media (max-width: 768px) {
  .stats-grid        { grid-template-columns: repeat(2, 1fr); }
  .services-grid     { grid-template-columns: 1fr; }
  .contact-grid      { grid-template-columns: 1fr; gap: 2.5rem; }
  .contact-form      { grid-template-columns: 1fr; }
  .form-group-full   { grid-column: auto; }
  .form-submit       { grid-column: auto; }
  .cta-inner         { flex-direction: column; text-align: center; }
  .cta-text p        { margin-inline: auto; }
  .cta-actions       { justify-content: center; }

  /* Mobile nav */
  .hamburger { display: flex; }
  .nav {
    display: none;
    position: absolute;
    top: var(--header-h);
    left: 0; right: 0;
    background: var(--clr-surface);
    border-bottom: 1px solid var(--clr-border);
    padding: 1rem 1.5rem 1.5rem;
    box-shadow: var(--shadow-md);
  }
  .nav.open         { display: block; }
  .nav-list         { flex-direction: column; gap: .25rem; }
  .nav-link         { display: block; padding: .7rem 1rem; border-radius: 8px; }
  .nav-cta          { margin-left: 0; text-align: center; }
}

@media (max-width: 600px) {
  .products-grid { grid-template-columns: 1fr; }
  .cases-grid    { grid-template-columns: 1fr; }
  .hero-actions  { flex-direction: column; align-items: flex-start; }
  .stats-grid    { grid-template-columns: 1fr 1fr; }
  .footer-inner  { grid-template-columns: 1fr; }
}