/* ========================================
   PROJETOSTI — CSS Principal
   ======================================== */

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

:root {
  --navy:    #033c62;
  --navy-dk: #021e35;
  --blue:    #0489df;
  --blue-lt: #06a7ff;
  --cyan:    #00d4ff;
  --white:   #ffffff;
  --gray-50: #f8fafc;
  --gray-100:#f1f5f9;
  --gray-200:#e2e8f0;
  --gray-400:#94a3b8;
  --gray-600:#475569;
  --gray-800:#1e293b;
  --gray-900:#0f172a;
  --font:    'Montserrat', sans-serif;
  --font2:   'Inter', sans-serif;
  --radius:  12px;
  --radius-lg: 20px;
  --shadow:  0 4px 24px rgba(4, 137, 223, 0.12);
  --shadow-lg: 0 12px 48px rgba(4, 137, 223, 0.2);
  --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

html { scroll-behavior: smooth; }

body {
  font-family: var(--font2);
  background: var(--white);
  color: var(--gray-800);
  line-height: 1.6;
  overflow-x: hidden;
}

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}

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

/* ---- Typography ---- */
h1, h2, h3, h4 { font-family: var(--font); font-weight: 700; line-height: 1.2; }
h1 { font-size: clamp(2rem, 5vw, 3.6rem); }
h2 { font-size: clamp(1.6rem, 3.5vw, 2.6rem); }
h3 { font-size: 1.2rem; }
p  { font-size: 1rem; color: var(--gray-600); line-height: 1.75; }

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

/* ---- Buttons ---- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 28px;
  border-radius: 8px;
  font-family: var(--font);
  font-weight: 600;
  font-size: 0.9rem;
  letter-spacing: 0.3px;
  cursor: pointer;
  border: 2px solid transparent;
  transition: var(--transition);
  white-space: nowrap;
}

.btn-primary {
  background: linear-gradient(135deg, var(--blue), var(--blue-lt));
  color: var(--white);
  box-shadow: 0 4px 16px rgba(4, 137, 223, 0.35);
}
.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 28px rgba(4, 137, 223, 0.45);
}

.btn-ghost {
  background: transparent;
  color: var(--white);
  border-color: rgba(255,255,255,0.4);
}
.btn-ghost:hover {
  background: rgba(255,255,255,0.1);
  border-color: var(--white);
}

.btn-header {
  background: var(--blue);
  color: var(--white);
  padding: 10px 22px;
  font-size: 0.85rem;
}
.btn-header:hover {
  background: var(--blue-lt);
  transform: translateY(-1px);
}

.btn-lg { padding: 18px 36px; font-size: 1rem; }
.btn-full { width: 100%; justify-content: center; }

/* ---- Section Utilities ---- */
.section { padding: 96px 0; }
.section-dark { background: var(--gray-900); }
.section-dark h2, .section-dark h3, .section-dark p { color: var(--white); }
.section-dark p { color: rgba(255,255,255,0.7); }

.section-header {
  text-align: center;
  max-width: 640px;
  margin: 0 auto 64px;
}
.section-header p { margin-top: 12px; }

.section-tag {
  display: inline-block;
  background: rgba(4, 137, 223, 0.12);
  color: var(--blue);
  border: 1px solid rgba(4, 137, 223, 0.3);
  padding: 5px 14px;
  border-radius: 100px;
  font-size: 0.78rem;
  font-family: var(--font);
  font-weight: 600;
  letter-spacing: 0.5px;
  text-transform: uppercase;
  margin-bottom: 14px;
}
.section-dark .section-tag {
  background: rgba(4, 137, 223, 0.2);
  border-color: rgba(4, 137, 223, 0.4);
}

/* ======================================== */
/* HEADER                                   */
/* ======================================== */
#header {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 1000;
  padding: 0;
  transition: var(--transition);
}

#header.scrolled {
  background: rgba(2, 30, 53, 0.97);
  backdrop-filter: blur(12px);
  box-shadow: 0 2px 24px rgba(0,0,0,0.3);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
  gap: 32px;
}

.logo {
  display: flex;
  align-items: center;
  gap: 10px;
}
.logo-mark {
  width: 36px; height: 36px;
  background: linear-gradient(135deg, var(--blue), var(--cyan));
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font);
  font-weight: 800;
  font-size: 1.1rem;
  color: var(--white);
}
.logo-text {
  font-family: var(--font);
  font-size: 1.2rem;
  font-weight: 400;
  color: var(--white);
  letter-spacing: -0.3px;
}
.logo-text strong { font-weight: 800; }

.nav ul {
  display: flex;
  align-items: center;
  gap: 8px;
}
.nav a {
  color: rgba(255,255,255,0.85);
  font-family: var(--font);
  font-weight: 500;
  font-size: 0.9rem;
  padding: 8px 14px;
  border-radius: 6px;
  transition: var(--transition);
}
.nav a:hover {
  color: var(--white);
  background: rgba(255,255,255,0.08);
}

.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 8px;
}
.hamburger span {
  display: block;
  width: 24px; height: 2px;
  background: var(--white);
  border-radius: 2px;
  transition: var(--transition);
}
.hamburger.active span:nth-child(1) { transform: rotate(45deg) translate(5px, 5px); }
.hamburger.active span:nth-child(2) { opacity: 0; }
.hamburger.active span:nth-child(3) { transform: rotate(-45deg) translate(5px, -5px); }

/* ======================================== */
/* HERO                                     */
/* ======================================== */
#hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  background: var(--navy-dk);
  overflow: hidden;
}

.hero-bg {
  position: absolute;
  inset: 0;
  pointer-events: none;
  /* Foto: sala de servidores iluminada em azul */
  background-image: url('https://images.unsplash.com/photo-1568992687947-868a62a9f521?w=1920&q=85&fit=crop&auto=format');
  background-size: cover;
  background-position: center;
}

/* Parallax suave — controlado pelo JS */
.hero-bg { background-attachment: fixed; }

/* Overlay escuro sobre a foto do hero */
.hero-bg::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(
    135deg,
    rgba(2, 20, 40, 0.93) 0%,
    rgba(3, 60, 98, 0.82) 60%,
    rgba(2, 20, 40, 0.88) 100%
  );
  z-index: 1;
}

.hero-grid {
  position: absolute;
  inset: 0;
  z-index: 2;
  background-image:
    linear-gradient(rgba(4, 137, 223, 0.07) 1px, transparent 1px),
    linear-gradient(90deg, rgba(4, 137, 223, 0.07) 1px, transparent 1px);
  background-size: 60px 60px;
}

.hero-glow {
  position: absolute;
  z-index: 3;
  top: -200px;
  right: -200px;
  width: 700px;
  height: 700px;
  background: radial-gradient(circle, rgba(4, 137, 223, 0.15) 0%, transparent 65%);
  border-radius: 50%;
}

.hero-content {
  position: relative;
  z-index: 4;
  padding-top: 100px;
  padding-bottom: 80px;
  max-width: 760px;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(4, 137, 223, 0.15);
  border: 1px solid rgba(4, 137, 223, 0.35);
  color: var(--cyan);
  padding: 6px 16px;
  border-radius: 100px;
  font-size: 0.8rem;
  font-family: var(--font);
  font-weight: 600;
  letter-spacing: 0.5px;
  text-transform: uppercase;
  margin-bottom: 24px;
}
.hero-badge::before {
  content: '';
  width: 6px; height: 6px;
  background: var(--cyan);
  border-radius: 50%;
  animation: pulse 2s infinite;
}
@keyframes pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.3; }
}

#hero h1 {
  color: var(--white);
  margin-bottom: 20px;
  font-weight: 800;
}

.hero-sub {
  font-size: 1.15rem;
  color: rgba(255,255,255,0.7);
  max-width: 560px;
  margin-bottom: 36px;
  line-height: 1.8;
}

.hero-ctas {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
  margin-bottom: 64px;
}

.hero-stats {
  display: flex;
  align-items: center;
  gap: 32px;
  flex-wrap: wrap;
}
.stat strong {
  display: block;
  font-family: var(--font);
  font-size: 2rem;
  font-weight: 800;
  color: var(--white);
  background: linear-gradient(135deg, var(--white), var(--cyan));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.stat span {
  font-size: 0.82rem;
  color: rgba(255,255,255,0.5);
  font-family: var(--font);
  font-weight: 500;
}
.stat-divider {
  width: 1px;
  height: 40px;
  background: rgba(255,255,255,0.15);
}

.hero-scroll {
  position: absolute;
  bottom: 32px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  color: rgba(255,255,255,0.4);
  font-size: 0.75rem;
  font-family: var(--font);
  font-weight: 500;
  letter-spacing: 0.5px;
  text-transform: uppercase;
}
.scroll-line {
  width: 1px;
  height: 40px;
  background: linear-gradient(to bottom, rgba(255,255,255,0.4), transparent);
  animation: scrollAnim 2s infinite;
}
@keyframes scrollAnim {
  0% { transform: scaleY(0); transform-origin: top; }
  50% { transform: scaleY(1); transform-origin: top; }
  51% { transform: scaleY(1); transform-origin: bottom; }
  100% { transform: scaleY(0); transform-origin: bottom; }
}

/* ======================================== */
/* SOBRE                                    */
/* ======================================== */
.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: center;
}

.about-visual {
  position: relative;
  height: 480px;
}

/* Frame da foto principal */
.about-img-frame {
  position: absolute;
  inset: 0;
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: 0 24px 64px rgba(4, 137, 223, 0.2);
}
.about-img-frame img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center top;
  transition: transform 0.6s ease;
}
.about-img-frame:hover img { transform: scale(1.03); }
/* Gradiente sutil sobre a foto */
.about-img-frame::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(
    160deg,
    rgba(3, 60, 98, 0.25) 0%,
    rgba(2, 30, 53, 0.1) 60%,
    transparent 100%
  );
  pointer-events: none;
}

/* Cards flutuantes sobre a foto */
.about-card {
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(12px);
  border-radius: var(--radius-lg);
  box-shadow: 0 8px 32px rgba(0,0,0,0.15);
  border: 1px solid rgba(255,255,255,0.8);
  padding: 28px;
}

.card-float {
  position: absolute;
  padding: 16px 22px;
  min-width: 130px;
  text-align: center;
  z-index: 2;
}
.card-float strong {
  display: block;
  font-family: var(--font);
  font-size: 1.4rem;
  font-weight: 800;
  background: linear-gradient(135deg, var(--blue), var(--cyan));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.card-float span {
  font-size: 0.78rem;
  color: var(--gray-600);
  font-weight: 500;
}
.card-float-1 { top: 10%; right: -5%; animation: float1 4s ease-in-out infinite; }
.card-float-2 { bottom: 10%; left: -5%; animation: float2 5s ease-in-out infinite; }

@keyframes float1 {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-10px); }
}
@keyframes float2 {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(10px); }
}

.about-text .section-tag { margin-bottom: 12px; }
.about-text h2 { margin-bottom: 20px; }
.about-text p { margin-bottom: 16px; }

.about-list {
  margin: 24px 0 32px;
  display: flex;
  flex-direction: column;
  gap: 12px;
}
.about-list li {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 0.95rem;
  color: var(--gray-700, var(--gray-600));
  font-weight: 500;
}
.check {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 22px; height: 22px;
  background: rgba(4, 137, 223, 0.1);
  color: var(--blue);
  border-radius: 50%;
  font-size: 0.75rem;
  font-weight: 700;
  flex-shrink: 0;
}

/* ======================================== */
/* SOLUÇÕES                                 */
/* ======================================== */
.solutions-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.solution-card {
  background: rgba(255,255,255,0.04);
  border: 1px solid rgba(255,255,255,0.08);
  border-radius: var(--radius-lg);
  padding: 32px 28px;
  transition: var(--transition);
  position: relative;
  overflow: hidden;
}
.solution-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--blue), var(--cyan));
  transform: scaleX(0);
  transform-origin: left;
  transition: var(--transition);
}
.solution-card:hover {
  background: rgba(4, 137, 223, 0.07);
  border-color: rgba(4, 137, 223, 0.3);
  transform: translateY(-4px);
  box-shadow: 0 16px 48px rgba(4, 137, 223, 0.15);
}
.solution-card:hover::before { transform: scaleX(1); }

.sol-icon {
  width: 52px; height: 52px;
  background: rgba(4, 137, 223, 0.1);
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 20px;
  transition: var(--transition);
}
.sol-icon svg { width: 28px; height: 28px; }
.solution-card:hover .sol-icon { background: rgba(4, 137, 223, 0.2); }

.solution-card h3 {
  color: var(--white);
  margin-bottom: 10px;
  font-size: 1.05rem;
}
.solution-card p {
  font-size: 0.88rem;
  color: rgba(255,255,255,0.55);
  margin-bottom: 16px;
  line-height: 1.65;
}
.solution-card ul {
  margin-bottom: 20px;
  display: flex;
  flex-direction: column;
  gap: 6px;
}
.solution-card li {
  font-size: 0.82rem;
  color: rgba(255,255,255,0.5);
  padding-left: 14px;
  position: relative;
}
.solution-card li::before {
  content: '—';
  position: absolute;
  left: 0;
  color: var(--blue);
}

.sol-link {
  font-family: var(--font);
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--blue);
  transition: var(--transition);
}
.sol-link:hover { color: var(--cyan); letter-spacing: 0.3px; }

/* ======================================== */
/* DIFERENCIAIS                             */
/* ======================================== */

/* Fundo de placa de circuito muito sutil */
#servicos {
  position: relative;
  background-image: url('https://images.unsplash.com/photo-1518770660439-4636190af475?w=1920&q=80&fit=crop&auto=format');
  background-size: cover;
  background-position: center;
  background-attachment: fixed;
}
#servicos::before {
  content: '';
  position: absolute;
  inset: 0;
  background: rgba(248, 250, 252, 0.97);
}
#servicos .container { position: relative; z-index: 1; }

.diff-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 32px;
}

.diff-item {
  padding: 32px 24px;
  border-radius: var(--radius-lg);
  border: 1px solid var(--gray-200);
  background: var(--white);
  transition: var(--transition);
  position: relative;
}
.diff-item:hover {
  border-color: var(--blue);
  box-shadow: var(--shadow);
  transform: translateY(-4px);
}

.diff-num {
  font-family: var(--font);
  font-size: 3rem;
  font-weight: 800;
  color: var(--gray-100);
  line-height: 1;
  margin-bottom: 16px;
}
.diff-item:hover .diff-num { color: rgba(4, 137, 223, 0.12); }
.diff-item h3 { margin-bottom: 10px; font-size: 1rem; }
.diff-item p { font-size: 0.88rem; }

/* ======================================== */
/* CLIENTES / LOGOS                         */
/* ======================================== */
.logos-track-wrapper {
  overflow: hidden;
  position: relative;
  mask-image: linear-gradient(90deg, transparent, black 10%, black 90%, transparent);
  -webkit-mask-image: linear-gradient(90deg, transparent, black 10%, black 90%, transparent);
  margin-bottom: 64px;
}

.logos-track {
  display: flex;
  gap: 24px;
  animation: logoScroll 30s linear infinite;
  width: max-content;
}

@keyframes logoScroll {
  from { transform: translateX(0); }
  to   { transform: translateX(-50%); }
}

.client-logo {
  display: flex;
  align-items: center;
  justify-content: center;
  height: 60px;
  min-width: 160px;
  background: rgba(255,255,255,0.05);
  border: 1px solid rgba(255,255,255,0.1);
  border-radius: var(--radius);
  font-family: var(--font);
  font-weight: 700;
  font-size: 0.85rem;
  color: rgba(255,255,255,0.4);
  padding: 0 24px;
  white-space: nowrap;
  transition: var(--transition);
}
.client-logo:hover { color: rgba(255,255,255,0.8); border-color: rgba(4,137,223,0.4); }

/* ---- Testimonials ---- */
.testimonials {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  margin-top: 16px;
}

.testimonial-card {
  background: rgba(255,255,255,0.05);
  border: 1px solid rgba(255,255,255,0.1);
  border-radius: var(--radius-lg);
  padding: 32px 28px;
  transition: var(--transition);
}
.testimonial-card:hover {
  background: rgba(4, 137, 223, 0.07);
  border-color: rgba(4, 137, 223, 0.25);
}

.stars {
  color: #f59e0b;
  font-size: 1.1rem;
  letter-spacing: 2px;
  margin-bottom: 16px;
}
.testimonial-card p {
  font-size: 0.9rem;
  color: rgba(255,255,255,0.7);
  line-height: 1.75;
  font-style: italic;
  margin-bottom: 24px;
}
.testimonial-author {
  display: flex;
  align-items: center;
  gap: 12px;
}
.author-avatar {
  width: 44px; height: 44px;
  background: linear-gradient(135deg, var(--blue), var(--cyan));
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font);
  font-weight: 700;
  font-size: 0.8rem;
  color: var(--white);
  flex-shrink: 0;
}
.testimonial-author strong {
  display: block;
  font-size: 0.9rem;
  color: var(--white);
  font-family: var(--font);
  font-weight: 600;
}
.testimonial-author span {
  font-size: 0.78rem;
  color: rgba(255,255,255,0.45);
}

/* ======================================== */
/* CTA BANNER                               */
/* ======================================== */
.cta-banner {
  position: relative;
  overflow: hidden;
  padding: 100px 0;
  /* Foto: skyline de cidade moderna à noite */
  background-image: url('https://images.unsplash.com/photo-1486325212027-8081e485255e?w=1920&q=85&fit=crop&auto=format');
  background-size: cover;
  background-position: center 40%;
  background-attachment: fixed;
}
/* Overlay de cor sobre a foto */
.cta-banner::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(
    135deg,
    rgba(3, 30, 60, 0.88) 0%,
    rgba(4, 90, 160, 0.80) 50%,
    rgba(3, 30, 60, 0.90) 100%
  );
  z-index: 0;
}
/* Grid sobre o overlay */
.cta-banner::after {
  content: '';
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(255,255,255,0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.04) 1px, transparent 1px);
  background-size: 40px 40px;
  z-index: 0;
}

.cta-inner {
  position: relative;
  z-index: 1;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 40px;
  flex-wrap: wrap;
}
.cta-text h2 { color: var(--white); margin-bottom: 8px; }
.cta-text p { color: rgba(255,255,255,0.7); margin: 0; font-size: 1rem; }

/* ======================================== */
/* CONTATO                                  */
/* ======================================== */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1.4fr;
  gap: 80px;
  align-items: start;
}

.contact-info .section-tag { margin-bottom: 12px; }
.contact-info h2 { margin-bottom: 16px; }
.contact-info > p { margin-bottom: 36px; }

.contact-items {
  display: flex;
  flex-direction: column;
  gap: 20px;
}
.contact-item {
  display: flex;
  align-items: center;
  gap: 16px;
}
.contact-icon {
  width: 44px; height: 44px;
  background: rgba(4, 137, 223, 0.1);
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}
.contact-icon svg { width: 20px; height: 20px; }
.contact-item strong { display: block; font-size: 0.85rem; color: var(--gray-800); font-family: var(--font); font-weight: 600; }
.contact-item span { font-size: 0.9rem; color: var(--gray-600); }

/* ---- Form ---- */
.contact-form {
  background: var(--white);
  border: 1px solid var(--gray-200);
  border-radius: var(--radius-lg);
  padding: 40px;
  box-shadow: var(--shadow);
}

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

.form-group {
  display: flex;
  flex-direction: column;
  gap: 6px;
  margin-bottom: 16px;
}
.form-group label {
  font-family: var(--font);
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--gray-800);
}
.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  padding: 12px 16px;
  border: 1.5px solid var(--gray-200);
  border-radius: 8px;
  font-family: var(--font2);
  font-size: 0.9rem;
  color: var(--gray-800);
  background: var(--gray-50);
  transition: var(--transition);
  outline: none;
}
.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  border-color: var(--blue);
  background: var(--white);
  box-shadow: 0 0 0 3px rgba(4, 137, 223, 0.1);
}
.form-group input::placeholder,
.form-group textarea::placeholder { color: var(--gray-400); }
.form-group textarea { resize: vertical; min-height: 100px; }
.form-group select { cursor: pointer; }

.form-disclaimer {
  font-size: 0.75rem;
  color: var(--gray-400);
  text-align: center;
  margin-top: 12px;
}

/* ======================================== */
/* FOOTER                                   */
/* ======================================== */
footer {
  background: var(--gray-900);
  padding-top: 72px;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 48px;
  padding-bottom: 56px;
  border-bottom: 1px solid rgba(255,255,255,0.08);
}

.footer-brand p {
  color: rgba(255,255,255,0.45);
  font-size: 0.88rem;
  line-height: 1.7;
  margin-top: 16px;
  max-width: 300px;
}

.logo-footer .logo-text { color: var(--white); }

.social-links {
  display: flex;
  gap: 10px;
  margin-top: 24px;
}
.social-link {
  width: 36px; height: 36px;
  background: rgba(255,255,255,0.07);
  border: 1px solid rgba(255,255,255,0.1);
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font);
  font-weight: 700;
  font-size: 0.75rem;
  color: rgba(255,255,255,0.5);
  text-transform: uppercase;
  transition: var(--transition);
}
.social-link:hover {
  background: var(--blue);
  border-color: var(--blue);
  color: var(--white);
}

.footer-col h4 {
  font-family: var(--font);
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--white);
  margin-bottom: 20px;
  letter-spacing: 0.3px;
}
.footer-col ul { display: flex; flex-direction: column; gap: 10px; }
.footer-col a {
  font-size: 0.86rem;
  color: rgba(255,255,255,0.45);
  transition: var(--transition);
}
.footer-col a:hover { color: var(--blue); }

.footer-bottom {
  padding: 24px 0;
}
.footer-bottom-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
}
.footer-bottom p {
  font-size: 0.82rem;
  color: rgba(255,255,255,0.3);
}
.footer-links {
  display: flex;
  gap: 20px;
}
.footer-links a {
  font-size: 0.82rem;
  color: rgba(255,255,255,0.3);
  transition: var(--transition);
}
.footer-links a:hover { color: var(--blue); }

/* ======================================== */
/* ANIMATIONS                               */
/* ======================================== */
.fade-up {
  opacity: 0;
  transform: translateY(32px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}
.fade-up.visible {
  opacity: 1;
  transform: translateY(0);
}

/* ======================================== */
/* RESPONSIVE                               */
/* ======================================== */
@media (max-width: 1024px) {
  .solutions-grid { grid-template-columns: repeat(2, 1fr); }
  .diff-grid { grid-template-columns: repeat(2, 1fr); }
  .testimonials { grid-template-columns: repeat(2, 1fr); }
  .testimonials .testimonial-card:last-child { display: none; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .contact-grid { grid-template-columns: 1fr; gap: 40px; }
  .about-grid { grid-template-columns: 1fr; gap: 40px; }
  .about-visual { height: 320px; }
  .card-float-1 { right: 0; }
  .card-float-2 { left: 0; }
}

@media (max-width: 768px) {
  .section { padding: 64px 0; }
  .solutions-grid { grid-template-columns: 1fr; }
  .diff-grid { grid-template-columns: 1fr; }
  .testimonials { grid-template-columns: 1fr; }
  .testimonials .testimonial-card:last-child { display: block; }
  .footer-grid { grid-template-columns: 1fr; gap: 32px; }
  .form-row { grid-template-columns: 1fr; }
  .contact-form { padding: 28px 20px; }
  .cta-inner { flex-direction: column; text-align: center; }
  .hero-stats { gap: 16px; }
  .stat-divider { display: none; }
  .hero-ctas { flex-direction: column; }

  /* Mobile nav */
  .nav {
    position: fixed;
    top: 72px; left: 0; right: 0;
    background: rgba(2, 30, 53, 0.98);
    backdrop-filter: blur(12px);
    padding: 24px;
    transform: translateY(-110%);
    transition: var(--transition);
    border-bottom: 1px solid rgba(255,255,255,0.1);
  }
  .nav.open { transform: translateY(0); }
  .nav ul { flex-direction: column; gap: 4px; }
  .nav a { display: block; padding: 12px 16px; }
  .btn-header { display: none; }
  .hamburger { display: flex; }
}

@media (max-width: 480px) {
  .container { padding: 0 16px; }
  .hero-content { padding-top: 80px; }
  h1 { font-size: 1.9rem; }
  h2 { font-size: 1.6rem; }
}