/* ═══════════════════════════════════════════════════════════
   DS Engenharia Naval & Mecânica — Design System
   ═══════════════════════════════════════════════════════════ */

/* ── Google Fonts ── */
@import url('https://fonts.googleapis.com/css2?family=Outfit:wght@300;400;500;600;700;800&family=Inter:wght@300;400;500;600;700&display=swap');

/* ── CSS Variables ── */
:root {
  /* Brand Colors */
  --deep-navy: #004453;
  --deep-navy-rgb: 0, 68, 83;
  --royal-purple: #230D83;
  --royal-purple-rgb: 35, 13, 131;
  --cyan-electric: #08C3D1;
  --cyan-electric-rgb: 8, 195, 209;
  --orange-vibrant: #FF8B16;
  --orange-vibrant-rgb: 255, 139, 22;
  --ice-white: #E0E9F4;
  --ice-white-rgb: 224, 233, 244;

  /* Surfaces */
  --bg-primary: #011820;
  --bg-secondary: #021E2A;
  --bg-card: rgba(0, 68, 83, 0.12);
  --bg-glass: rgba(0, 68, 83, 0.08);

  /* Typography */
  --font-display: 'Outfit', sans-serif;
  --font-body: 'Inter', sans-serif;

  /* Spacing */
  --section-py: clamp(4rem, 8vw, 8rem);

  /* Transitions */
  --ease-out-expo: cubic-bezier(0.16, 1, 0.3, 1);
}

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

html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: var(--font-body);
  background: var(--bg-primary);
  color: var(--ice-white);
  line-height: 1.6;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

a {
  color: inherit;
  text-decoration: none;
}

img, video {
  display: block;
  max-width: 100%;
  height: auto;
}

ul, ol {
  list-style: none;
}

button {
  font-family: inherit;
  cursor: pointer;
  border: none;
  background: none;
  color: inherit;
}

input, textarea {
  font-family: inherit;
  border: none;
  outline: none;
  background: none;
  color: inherit;
}

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-display);
  line-height: 1.15;
}

/* ── Ambient Background Layers ── */
.ambient-glow {
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 0;
  background:
    radial-gradient(ellipse 80% 50% at 20% 10%, rgba(var(--royal-purple-rgb), 0.15), transparent 60%),
    radial-gradient(ellipse 60% 40% at 80% 20%, rgba(var(--cyan-electric-rgb), 0.08), transparent 50%),
    radial-gradient(ellipse 50% 50% at 50% 80%, rgba(var(--deep-navy-rgb), 0.2), transparent 60%);
}

.noise-layer {
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 1;
  opacity: 0.035;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noise'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noise)'/%3E%3C/svg%3E");
  background-repeat: repeat;
  background-size: 256px;
}

.grid-layer {
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 1;
  opacity: 0.03;
  background-image:
    linear-gradient(rgba(var(--cyan-electric-rgb), 0.3) 1px, transparent 1px),
    linear-gradient(90deg, rgba(var(--cyan-electric-rgb), 0.3) 1px, transparent 1px);
  background-size: 80px 80px;
}

/* ── Container ── */
.container {
  width: 100%;
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 clamp(1.25rem, 4vw, 3rem);
}

/* ── Header ── */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  height: 80px;
  display: flex;
  align-items: center;
  transition: all 0.5s var(--ease-out-expo);
}

.site-header.scrolled {
  background: rgba(1, 24, 32, 0.92);
  backdrop-filter: blur(24px);
  -webkit-backdrop-filter: blur(24px);
  border-bottom: 1px solid rgba(var(--cyan-electric-rgb), 0.1);
  box-shadow: 0 4px 30px rgba(0, 0, 0, 0.3);
}

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

.header-logo img {
  height: 40px;
  width: auto;
  transition: opacity 0.3s;
}
.header-logo:hover img {
  opacity: 0.8;
}

.header-nav {
  display: none;
  align-items: center;
  gap: 2.5rem;
}

.header-nav a {
  font-family: var(--font-display);
  font-size: 0.8125rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: rgba(var(--ice-white-rgb), 0.6);
  position: relative;
  transition: color 0.3s;
}
.header-nav a:hover {
  color: var(--ice-white);
}
.header-nav a::after {
  content: '';
  position: absolute;
  bottom: -6px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--cyan-electric);
  box-shadow: 0 0 10px rgba(var(--cyan-electric-rgb), 0.6);
  transition: width 0.3s var(--ease-out-expo);
}
.header-nav a:hover::after {
  width: 100%;
}

.header-cta {
  display: none;
  align-items: center;
}

.btn-outline {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.625rem 1.5rem;
  font-family: var(--font-body);
  font-size: 0.8125rem;
  font-weight: 600;
  color: var(--ice-white);
  border: 1px solid rgba(var(--ice-white-rgb), 0.12);
  border-radius: 9999px;
  transition: all 0.4s var(--ease-out-expo);
  position: relative;
  overflow: hidden;
}
.btn-outline:hover {
  border-color: rgba(var(--cyan-electric-rgb), 0.5);
  background: rgba(var(--cyan-electric-rgb), 0.1);
  box-shadow: 0 0 20px rgba(var(--cyan-electric-rgb), 0.2);
  transform: translateY(-1px);
}

.btn-primary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.875rem 2rem;
  font-family: var(--font-display);
  font-size: 0.9375rem;
  font-weight: 600;
  color: #fff;
  background: linear-gradient(135deg, var(--cyan-electric), var(--royal-purple));
  border: none;
  border-radius: 9999px;
  cursor: pointer;
  transition: all 0.4s var(--ease-out-expo);
  position: relative;
  overflow: hidden;
  letter-spacing: 0.02em;
}
.btn-primary::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(255,255,255,0.15), transparent 50%);
  opacity: 0;
  transition: opacity 0.4s;
}
.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 30px rgba(var(--cyan-electric-rgb), 0.3), 0 0 60px rgba(var(--royal-purple-rgb), 0.15);
}
.btn-primary:hover::before {
  opacity: 1;
}
.btn-primary:active {
  transform: scale(0.97);
}

.btn-orange {
  background: linear-gradient(135deg, var(--orange-vibrant), #e67500);
}
.btn-orange:hover {
  box-shadow: 0 8px 30px rgba(var(--orange-vibrant-rgb), 0.35), 0 0 60px rgba(var(--orange-vibrant-rgb), 0.15);
}

/* Mobile Menu Button */
.mobile-menu-btn {
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: rgba(var(--ice-white-rgb), 0.04);
  border: 1px solid rgba(var(--ice-white-rgb), 0.08);
  position: relative;
  z-index: 1001;
  transition: background 0.3s;
}
.mobile-menu-btn:hover {
  background: rgba(var(--ice-white-rgb), 0.08);
}
.mobile-menu-btn span {
  position: absolute;
  width: 18px;
  height: 2px;
  background: var(--ice-white);
  border-radius: 2px;
  transition: all 0.3s var(--ease-out-expo);
}
.mobile-menu-btn span:nth-child(1) { transform: translateY(-6px); }
.mobile-menu-btn span:nth-child(3) { transform: translateY(6px); }

.mobile-menu-btn.active span:nth-child(1) { transform: rotate(45deg); }
.mobile-menu-btn.active span:nth-child(2) { opacity: 0; }
.mobile-menu-btn.active span:nth-child(3) { transform: rotate(-45deg); }

/* Mobile Menu Overlay */
.mobile-menu {
  position: fixed;
  inset: 0;
  z-index: 999;
  background: rgba(1, 24, 32, 0.97);
  backdrop-filter: blur(40px);
  -webkit-backdrop-filter: blur(40px);
  display: flex;
  flex-direction: column;
  padding: 7rem 2rem 3rem;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.5s var(--ease-out-expo);
}
.mobile-menu.active {
  opacity: 1;
  pointer-events: all;
}
.mobile-menu::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at top right, rgba(var(--cyan-electric-rgb), 0.1), transparent 60%);
  pointer-events: none;
}
.mobile-menu nav {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
  position: relative;
  z-index: 1;
}
.mobile-menu nav a {
  font-family: var(--font-display);
  font-size: 1.75rem;
  font-weight: 400;
  color: rgba(var(--ice-white-rgb), 0.7);
  padding-bottom: 1rem;
  border-bottom: 1px solid rgba(var(--ice-white-rgb), 0.06);
  transition: all 0.3s;
  transform: translateY(20px);
  opacity: 0;
}
.mobile-menu.active nav a {
  transform: translateY(0);
  opacity: 1;
}
.mobile-menu nav a:nth-child(1) { transition-delay: 0.1s; }
.mobile-menu nav a:nth-child(2) { transition-delay: 0.15s; }
.mobile-menu nav a:nth-child(3) { transition-delay: 0.2s; }
.mobile-menu nav a:nth-child(4) { transition-delay: 0.25s; }
.mobile-menu nav a:nth-child(5) { transition-delay: 0.3s; }
.mobile-menu nav a:hover {
  color: var(--ice-white);
  padding-left: 0.5rem;
}
.mobile-menu .mobile-cta {
  margin-top: auto;
  position: relative;
  z-index: 1;
}

/* ── Hero Section ── */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  overflow: hidden;
  z-index: 2;
}

.hero-video-wrap {
  position: absolute;
  inset: 0;
  z-index: 0;
}
.hero-video-wrap video {
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.hero-video-overlay {
  position: absolute;
  inset: 0;
  background:
    linear-gradient(180deg, rgba(1, 24, 32, 0.5) 0%, rgba(1, 24, 32, 0.3) 40%, rgba(1, 24, 32, 0.85) 100%),
    linear-gradient(90deg, rgba(var(--royal-purple-rgb), 0.2) 0%, transparent 50%);
  z-index: 1;
}

.hero-content {
  position: relative;
  z-index: 2;
  padding-top: 6rem;
  max-width: 800px;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.375rem 1rem;
  background: rgba(var(--cyan-electric-rgb), 0.1);
  border: 1px solid rgba(var(--cyan-electric-rgb), 0.25);
  border-radius: 9999px;
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.15em;
  color: var(--cyan-electric);
  margin-bottom: 1.5rem;
}
.hero-badge .pulse-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--cyan-electric);
  box-shadow: 0 0 8px var(--cyan-electric);
  animation: pulse-glow 2s infinite;
}

@keyframes pulse-glow {
  0%, 100% { opacity: 1; box-shadow: 0 0 8px var(--cyan-electric); }
  50% { opacity: 0.4; box-shadow: 0 0 4px var(--cyan-electric); }
}

.hero-title {
  font-size: clamp(2.5rem, 6vw, 4.5rem);
  font-weight: 700;
  line-height: 1.05;
  margin-bottom: 1rem;
  letter-spacing: -0.02em;
}
.hero-title .accent {
  background: linear-gradient(135deg, var(--cyan-electric), #0af0ff);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-subtitle {
  font-size: clamp(1rem, 2vw, 1.25rem);
  color: rgba(var(--ice-white-rgb), 0.65);
  margin-bottom: 2.5rem;
  max-width: 540px;
  line-height: 1.7;
}
.hero-subtitle .dot {
  display: inline-block;
  width: 4px;
  height: 4px;
  border-radius: 50%;
  background: var(--orange-vibrant);
  margin: 0 0.75rem;
  vertical-align: middle;
}

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

.hero-scroll-indicator {
  position: absolute;
  bottom: 2rem;
  left: 50%;
  transform: translateX(-50%);
  z-index: 2;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.5rem;
  opacity: 0.5;
  animation: float-down 2s ease-in-out infinite;
}
.hero-scroll-indicator .line {
  width: 1px;
  height: 40px;
  background: linear-gradient(to bottom, var(--cyan-electric), transparent);
}

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

/* ── Section Base ── */
.section {
  position: relative;
  z-index: 2;
  padding: var(--section-py) 0;
}

.section-label {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-family: var(--font-display);
  font-size: 0.6875rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.2em;
  color: var(--cyan-electric);
  margin-bottom: 1rem;
}
.section-label::before {
  content: '';
  display: block;
  width: 24px;
  height: 1px;
  background: var(--cyan-electric);
}

.section-title {
  font-size: clamp(1.75rem, 4vw, 3rem);
  font-weight: 700;
  margin-bottom: 1rem;
  letter-spacing: -0.02em;
}
.section-title .accent {
  background: linear-gradient(135deg, var(--cyan-electric), #0af0ff);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.section-desc {
  font-size: 1rem;
  color: rgba(var(--ice-white-rgb), 0.55);
  max-width: 600px;
  line-height: 1.7;
  margin-bottom: 3rem;
}

/* ── Services Section ── */
.services-section {
  background:
    radial-gradient(ellipse at top, rgba(var(--royal-purple-rgb), 0.08), transparent 60%);
}

.services-header {
  text-align: center;
  margin-bottom: 3.5rem;
}
.services-header .section-label,
.services-header .section-desc {
  margin-left: auto;
  margin-right: auto;
}
.services-header .section-title {
  margin-bottom: 0.75rem;
}

.services-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.25rem;
}

.service-card {
  position: relative;
  padding: 1.75rem;
  border-radius: 1.25rem;
  background: rgba(var(--deep-navy-rgb), 0.3);
  border: 1px solid rgba(var(--ice-white-rgb), 0.06);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  transition: all 0.5s var(--ease-out-expo);
  overflow: hidden;
  cursor: default;
}
.service-card::before {
  content: '';
  position: absolute;
  inset: 0;
  border-radius: 1.25rem;
  background: linear-gradient(135deg, rgba(var(--cyan-electric-rgb), 0.05), transparent 40%, transparent 60%, rgba(var(--royal-purple-rgb), 0.05));
  opacity: 0;
  transition: opacity 0.5s;
}
.service-card:hover {
  border-color: rgba(var(--cyan-electric-rgb), 0.2);
  transform: translateY(-4px);
  box-shadow:
    0 16px 40px rgba(0, 0, 0, 0.3),
    0 0 40px rgba(var(--cyan-electric-rgb), 0.06);
}
.service-card:hover::before {
  opacity: 1;
}

.service-icon {
  width: 52px;
  height: 52px;
  border-radius: 14px;
  background: rgba(var(--cyan-electric-rgb), 0.08);
  border: 1px solid rgba(var(--cyan-electric-rgb), 0.15);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 1.25rem;
  transition: all 0.4s;
  position: relative;
  z-index: 1;
}
.service-icon svg {
  width: 24px;
  height: 24px;
  color: var(--cyan-electric);
  transition: all 0.4s;
}
.service-card:hover .service-icon {
  background: rgba(var(--cyan-electric-rgb), 0.15);
  box-shadow: 0 0 20px rgba(var(--cyan-electric-rgb), 0.15);
}
.service-card:hover .service-icon svg {
  filter: drop-shadow(0 0 6px rgba(var(--cyan-electric-rgb), 0.6));
}

.service-card h3 {
  font-size: 1.0625rem;
  font-weight: 600;
  margin-bottom: 0.5rem;
  position: relative;
  z-index: 1;
}

.service-card p {
  font-size: 0.875rem;
  color: rgba(var(--ice-white-rgb), 0.5);
  line-height: 1.6;
  position: relative;
  z-index: 1;
}

.service-card .arrow {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 32px;
  height: 32px;
  border-radius: 50%;
  background: rgba(var(--cyan-electric-rgb), 0.08);
  margin-top: 1rem;
  transition: all 0.3s;
  position: relative;
  z-index: 1;
}
.service-card .arrow svg {
  width: 14px;
  height: 14px;
  color: var(--cyan-electric);
  transition: transform 0.3s;
}
.service-card:hover .arrow {
  background: rgba(var(--cyan-electric-rgb), 0.2);
}
.service-card:hover .arrow svg {
  transform: translateX(2px);
}

/* ── Full-width service (Piers e Poitas) ── */
.service-card-full {
  grid-column: 1 / -1;
  display: flex;
  align-items: center;
  gap: 1.5rem;
  padding: 1.5rem 2rem;
}
.service-card-full .service-icon {
  margin-bottom: 0;
  flex-shrink: 0;
}
.service-card-full .service-card-text {
  flex: 1;
}
.service-card-full .service-card-text h3 {
  margin-bottom: 0.25rem;
}

/* ── Form Section ── */
.form-section {
  background:
    radial-gradient(ellipse at bottom, rgba(var(--cyan-electric-rgb), 0.04), transparent 60%);
}

.form-wrapper {
  max-width: 640px;
  margin: 0 auto;
  padding: 2.5rem;
  border-radius: 1.5rem;
  background: rgba(var(--deep-navy-rgb), 0.25);
  border: 1px solid rgba(var(--ice-white-rgb), 0.06);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
}

.form-header {
  text-align: center;
  margin-bottom: 2rem;
}
.form-header h2 {
  font-size: clamp(1.25rem, 3vw, 1.75rem);
  font-weight: 700;
  margin-bottom: 0.5rem;
}
.form-header p {
  font-size: 0.9375rem;
  color: rgba(var(--ice-white-rgb), 0.5);
}

.form-group {
  margin-bottom: 1rem;
}

.form-input {
  width: 100%;
  padding: 0.875rem 1.25rem;
  background: rgba(var(--ice-white-rgb), 0.04);
  border: 1px solid rgba(var(--ice-white-rgb), 0.08);
  border-radius: 0.75rem;
  color: var(--ice-white);
  font-size: 0.9375rem;
  transition: all 0.3s;
}
.form-input::placeholder {
  color: rgba(var(--ice-white-rgb), 0.3);
}
.form-input:focus {
  border-color: rgba(var(--cyan-electric-rgb), 0.4);
  box-shadow: 0 0 0 3px rgba(var(--cyan-electric-rgb), 0.08);
  background: rgba(var(--ice-white-rgb), 0.06);
}

.form-row {
  display: grid;
  grid-template-columns: 100px 1fr;
  gap: 0.75rem;
}

textarea.form-input {
  min-height: 100px;
  resize: vertical;
}

.form-submit {
  width: 100%;
  margin-top: 0.5rem;
}

/* ── Detailed Services ── */
.details-section {
  background:
    radial-gradient(ellipse at center, rgba(var(--deep-navy-rgb), 0.3), transparent 70%);
}

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

.detail-card {
  padding: 2rem;
  border-radius: 1.25rem;
  background: rgba(var(--deep-navy-rgb), 0.2);
  border: 1px solid rgba(var(--ice-white-rgb), 0.05);
  transition: all 0.5s var(--ease-out-expo);
  position: relative;
  overflow: hidden;
}
.detail-card::after {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: linear-gradient(90deg, transparent, var(--cyan-electric), transparent);
  opacity: 0;
  transition: opacity 0.5s;
}
.detail-card:hover {
  transform: translateY(-2px);
  border-color: rgba(var(--cyan-electric-rgb), 0.15);
}
.detail-card:hover::after {
  opacity: 1;
}

.detail-card .detail-icon {
  width: 44px;
  height: 44px;
  border-radius: 12px;
  background: rgba(var(--cyan-electric-rgb), 0.08);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 1rem;
}
.detail-card .detail-icon svg {
  width: 22px;
  height: 22px;
  color: var(--cyan-electric);
}

.detail-card h3 {
  font-size: 1rem;
  font-weight: 600;
  margin-bottom: 0.625rem;
}

.detail-card p {
  font-size: 0.875rem;
  color: rgba(var(--ice-white-rgb), 0.5);
  line-height: 1.65;
}

/* ── Differentials ── */
.diff-section {
  background:
    radial-gradient(ellipse at top left, rgba(var(--royal-purple-rgb), 0.06), transparent 50%);
}

.diff-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.25rem;
}

.diff-card {
  display: flex;
  align-items: flex-start;
  gap: 1rem;
  padding: 1.5rem;
  border-radius: 1rem;
  background: rgba(var(--deep-navy-rgb), 0.2);
  border: 1px solid rgba(var(--ice-white-rgb), 0.05);
  transition: all 0.4s var(--ease-out-expo);
}
.diff-card:hover {
  border-color: rgba(var(--cyan-electric-rgb), 0.15);
  transform: translateY(-2px);
}

.diff-card.positive .diff-indicator {
  background: rgba(52, 211, 153, 0.15);
  color: #34D399;
}
.diff-card.negative .diff-indicator {
  background: rgba(248, 113, 113, 0.15);
  color: #F87171;
}

.diff-indicator {
  width: 40px;
  height: 40px;
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}
.diff-indicator svg {
  width: 20px;
  height: 20px;
}

.diff-text h4 {
  font-size: 0.9375rem;
  font-weight: 600;
  margin-bottom: 0.375rem;
}
.diff-text p {
  font-size: 0.8125rem;
  color: rgba(var(--ice-white-rgb), 0.45);
  line-height: 1.6;
}

/* ── About / Team ── */
.about-section {
  background:
    radial-gradient(ellipse at bottom right, rgba(var(--cyan-electric-rgb), 0.04), transparent 50%);
}

.about-intro {
  margin-bottom: 3rem;
}
.about-intro p {
  font-size: 1rem;
  color: rgba(var(--ice-white-rgb), 0.55);
  line-height: 1.8;
  max-width: 800px;
}

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

.team-card {
  padding: 2rem;
  border-radius: 1.5rem;
  background: rgba(var(--deep-navy-rgb), 0.25);
  border: 1px solid rgba(var(--ice-white-rgb), 0.06);
  transition: all 0.5s var(--ease-out-expo);
  overflow: hidden;
  position: relative;
}
.team-card::before {
  content: '';
  position: absolute;
  top: -50%;
  right: -50%;
  width: 200%;
  height: 200%;
  background: radial-gradient(circle, rgba(var(--cyan-electric-rgb), 0.03), transparent 40%);
  pointer-events: none;
}
.team-card:hover {
  border-color: rgba(var(--cyan-electric-rgb), 0.15);
  transform: translateY(-4px);
  box-shadow: 0 20px 50px rgba(0, 0, 0, 0.3);
}

.team-avatar {
  width: 80px;
  height: 80px;
  border-radius: 1rem;
  background: linear-gradient(135deg, rgba(var(--cyan-electric-rgb), 0.15), rgba(var(--royal-purple-rgb), 0.15));
  border: 1px solid rgba(var(--cyan-electric-rgb), 0.15);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 1.25rem;
  font-size: 1.75rem;
  font-weight: 700;
  font-family: var(--font-display);
  color: var(--cyan-electric);
}

.team-card h3 {
  font-size: 1.25rem;
  font-weight: 700;
  margin-bottom: 0.25rem;
  position: relative;
  z-index: 1;
}

.team-role {
  display: inline-block;
  padding: 0.25rem 0.75rem;
  background: rgba(var(--cyan-electric-rgb), 0.1);
  border-radius: 0.5rem;
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--cyan-electric);
  margin-bottom: 1rem;
  position: relative;
  z-index: 1;
}

.team-card ul {
  position: relative;
  z-index: 1;
}
.team-card ul li {
  font-size: 0.8125rem;
  color: rgba(var(--ice-white-rgb), 0.5);
  padding: 0.375rem 0;
  padding-left: 1rem;
  position: relative;
}
.team-card ul li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 50%;
  width: 4px;
  height: 4px;
  border-radius: 50%;
  background: var(--cyan-electric);
  transform: translateY(-50%);
}

/* ── FAQ ── */
.faq-section {
  background:
    radial-gradient(ellipse at center, rgba(var(--royal-purple-rgb), 0.04), transparent 60%);
}

.faq-list {
  max-width: 800px;
  margin: 0 auto;
}

.faq-item {
  border-bottom: 1px solid rgba(var(--ice-white-rgb), 0.06);
}

.faq-question {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
  padding: 1.25rem 0;
  font-family: var(--font-display);
  font-size: 1rem;
  font-weight: 500;
  color: var(--ice-white);
  text-align: left;
  transition: color 0.3s;
  gap: 1rem;
}
.faq-question:hover {
  color: var(--cyan-electric);
}

.faq-icon {
  width: 28px;
  height: 28px;
  border-radius: 50%;
  background: rgba(var(--cyan-electric-rgb), 0.08);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  transition: all 0.3s;
}
.faq-icon svg {
  width: 14px;
  height: 14px;
  color: var(--cyan-electric);
  transition: transform 0.3s var(--ease-out-expo);
}
.faq-item.active .faq-icon {
  background: rgba(var(--cyan-electric-rgb), 0.15);
}
.faq-item.active .faq-icon svg {
  transform: rotate(45deg);
}

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.5s var(--ease-out-expo), padding 0.5s;
}
.faq-answer p {
  font-size: 0.9375rem;
  color: rgba(var(--ice-white-rgb), 0.5);
  line-height: 1.7;
  padding-bottom: 1.25rem;
}

/* ── Footer ── */
.site-footer {
  position: relative;
  z-index: 2;
  padding: 4rem 0 2rem;
  border-top: 1px solid rgba(var(--ice-white-rgb), 0.05);
  background: rgba(1, 24, 32, 0.5);
}

.footer-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2.5rem;
  margin-bottom: 3rem;
}

.footer-brand p {
  font-size: 0.875rem;
  color: rgba(var(--ice-white-rgb), 0.45);
  line-height: 1.7;
  margin-top: 1rem;
  max-width: 340px;
}

.footer-title {
  font-family: var(--font-display);
  font-size: 0.8125rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--ice-white);
  margin-bottom: 1.25rem;
}

.footer-contact-list li {
  display: flex;
  align-items: flex-start;
  gap: 0.75rem;
  margin-bottom: 1rem;
}
.footer-contact-list li .contact-icon {
  width: 36px;
  height: 36px;
  border-radius: 10px;
  background: rgba(var(--cyan-electric-rgb), 0.08);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}
.footer-contact-list li .contact-icon svg {
  width: 16px;
  height: 16px;
  color: var(--cyan-electric);
}
.footer-contact-list li .contact-info .label {
  font-size: 0.6875rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: rgba(var(--ice-white-rgb), 0.35);
  margin-bottom: 0.125rem;
}
.footer-contact-list li .contact-info a,
.footer-contact-list li .contact-info span {
  font-size: 0.875rem;
  color: rgba(var(--ice-white-rgb), 0.65);
  transition: color 0.3s;
}
.footer-contact-list li .contact-info a:hover {
  color: var(--cyan-electric);
}

.footer-socials {
  display: flex;
  gap: 0.75rem;
}
.footer-socials a {
  width: 40px;
  height: 40px;
  border-radius: 10px;
  background: rgba(var(--ice-white-rgb), 0.04);
  border: 1px solid rgba(var(--ice-white-rgb), 0.06);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all 0.3s;
}
.footer-socials a:hover {
  background: rgba(var(--cyan-electric-rgb), 0.1);
  border-color: rgba(var(--cyan-electric-rgb), 0.3);
}
.footer-socials a svg {
  width: 18px;
  height: 18px;
  color: rgba(var(--ice-white-rgb), 0.6);
  transition: color 0.3s;
}
.footer-socials a:hover svg {
  color: var(--cyan-electric);
}

.footer-bottom {
  padding-top: 2rem;
  border-top: 1px solid rgba(var(--ice-white-rgb), 0.05);
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  align-items: center;
  text-align: center;
}
.footer-bottom p {
  font-size: 0.8125rem;
  color: rgba(var(--ice-white-rgb), 0.3);
}

/* ── WhatsApp Floating ── */
.whatsapp-float {
  position: fixed;
  bottom: 1.5rem;
  right: 1.5rem;
  z-index: 998;
  width: 56px;
  height: 56px;
  border-radius: 50%;
  background: #25D366;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 4px 20px rgba(37, 211, 102, 0.35);
  transition: all 0.3s;
  animation: pulse-whatsapp 2s infinite;
}
.whatsapp-float:hover {
  transform: scale(1.1);
  box-shadow: 0 6px 30px rgba(37, 211, 102, 0.5);
}
.whatsapp-float svg {
  width: 28px;
  height: 28px;
  color: white;
}

@keyframes pulse-whatsapp {
  0%, 100% { box-shadow: 0 4px 20px rgba(37, 211, 102, 0.35); }
  50% { box-shadow: 0 4px 20px rgba(37, 211, 102, 0.35), 0 0 0 8px rgba(37, 211, 102, 0.1); }
}

/* ── Scroll Reveal ── */
.reveal {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.8s var(--ease-out-expo), transform 0.8s var(--ease-out-expo);
}
.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}
.reveal-delay-1 { transition-delay: 0.1s; }
.reveal-delay-2 { transition-delay: 0.2s; }
.reveal-delay-3 { transition-delay: 0.3s; }
.reveal-delay-4 { transition-delay: 0.4s; }
.reveal-delay-5 { transition-delay: 0.5s; }
.reveal-delay-6 { transition-delay: 0.6s; }

/* ── Particle Canvas ── */
#particle-canvas {
  position: fixed;
  inset: 0;
  z-index: 1;
  pointer-events: none;
  opacity: 0.4;
}

/* ── Divider ── */
.section-divider {
  width: 100%;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(var(--cyan-electric-rgb), 0.15), transparent);
  margin: 0;
}

/* ── CTA Section ── */
.cta-banner {
  text-align: center;
  padding: 4rem 2rem;
  border-radius: 1.5rem;
  background:
    linear-gradient(135deg, rgba(var(--royal-purple-rgb), 0.2), rgba(var(--deep-navy-rgb), 0.3)),
    radial-gradient(circle at top, rgba(var(--cyan-electric-rgb), 0.08), transparent 60%);
  border: 1px solid rgba(var(--ice-white-rgb), 0.06);
  margin-bottom: 2rem;
}
.cta-banner h2 {
  font-size: clamp(1.5rem, 3vw, 2.25rem);
  font-weight: 700;
  margin-bottom: 0.75rem;
}
.cta-banner p {
  font-size: 1rem;
  color: rgba(var(--ice-white-rgb), 0.5);
  margin-bottom: 2rem;
  max-width: 500px;
  margin-right: auto;
}

/* ── Pipeline Section ── */
.pipeline-section {
  background: radial-gradient(ellipse at center, rgba(var(--deep-navy-rgb), 0.3), transparent 70%);
}
.pipeline-layout {
  display: grid;
  grid-template-columns: 1fr;
  gap: 4rem;
}
.pipeline-intro {
  max-width: 500px;
}
.pipeline-steps {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 2rem;
  padding-left: 2rem;
  border-left: 2px solid rgba(var(--cyan-electric-rgb), 0.2);
}
.pipeline-step {
  position: relative;
}
.step-dot {
  position: absolute;
  left: -2rem;
  top: 1.5rem;
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: var(--cyan-electric);
  box-shadow: 0 0 10px rgba(var(--cyan-electric-rgb), 0.8);
  transform: translateX(-50%);
}
.step-card {
  background: rgba(var(--bg-secondary), 0.5);
  border: 1px solid rgba(var(--cyan-electric-rgb), 0.15);
  border-radius: 1rem;
  padding: 1.5rem;
  backdrop-filter: blur(10px);
  transition: all 0.3s var(--ease-out-expo);
}
.step-card:hover {
  transform: translateX(5px);
  border-color: rgba(var(--cyan-electric-rgb), 0.4);
  box-shadow: 0 10px 30px rgba(var(--cyan-electric-rgb), 0.1);
}
.step-label {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--cyan-electric);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-bottom: 0.5rem;
}
.step-card h3 {
  font-size: 1.125rem;
  margin-bottom: 0.5rem;
  color: var(--ice-white);
}
.step-card p {
  font-size: 0.875rem;
  color: rgba(var(--ice-white-rgb), 0.6);
  line-height: 1.5;
}

/* ══════════════════════════════════════════════
   MEDIA QUERIES
   ══════════════════════════════════════════════ */

@media (min-width: 640px) {
  .services-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .details-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .diff-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .team-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .form-row {
    grid-template-columns: 120px 1fr;
  }
}

@media (min-width: 768px) {
  .header-nav {
    display: flex;
  }
  .header-cta {
    display: flex;
  }
  .mobile-menu-btn {
    display: none;
  }
  .footer-grid {
    grid-template-columns: 1.2fr 1fr 1fr;
  }
  .footer-bottom {
    flex-direction: row;
    justify-content: space-between;
  }
}

@media (min-width: 1024px) {
  .hero-split {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 2rem;
    align-items: center;
    text-align: left;
  }
  .hero-content {
    margin: 0;
  }
  .pipeline-layout {
    grid-template-columns: 1fr 1fr;
  }
  .services-grid {
    grid-template-columns: repeat(3, 1fr);
  }
  .details-grid {
    grid-template-columns: repeat(3, 1fr);
  }
  .diff-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}