/* ============================================
   BUSINESS DATA ANALYTICS - Style Sheet
   BIParaTodos.com.br
   ============================================ */

/* === CSS CUSTOM PROPERTIES === */
:root {
  --primary: #0D47A1;
  --primary-light: #1565C0;
  --primary-dark: #0A3A7E;
  --secondary: #2196F3;
  --accent: #FF6F00;
  --accent-light: #FF8F00;
  --dark: #1a1a2e;
  --dark-gray: #2d2d44;
  --gray: #6c757d;
  --light-gray: #f0f2f5;
  --white: #ffffff;
  --bg-dark: #1a1a2e;
  --bg-gradient: linear-gradient(135deg, #0D47A1 0%, #1565C0 50%, #1976D2 100%);
  --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.08);
  --shadow-md: 0 8px 30px rgba(0, 0, 0, 0.12);
  --shadow-lg: 0 20px 60px rgba(0, 0, 0, 0.15);
  --shadow-xl: 0 30px 80px rgba(0, 0, 0, 0.2);
  --radius-sm: 8px;
  --radius-md: 16px;
  --radius-lg: 24px;
  --radius-xl: 32px;
  --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --font-title: 'Poppins', sans-serif;
  --font-body: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
}

/* === DARK MODE VARIABLES === */
[data-theme="dark"] {
  --primary: #4a8cff;
  --primary-light: #66a0ff;
  --dark: #e8e8f0;
  --dark-gray: #b8b8cc;
  --gray: #7a8a9a;
  --light-gray: #1a1a2e;
  --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.4);
  --shadow-md: 0 8px 30px rgba(0, 0, 0, 0.5);
  --shadow-lg: 0 20px 60px rgba(0, 0, 0, 0.6);
  --shadow-xl: 0 30px 80px rgba(0, 0, 0, 0.7);
}

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

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

body {
  font-family: var(--font-body);
  color: var(--dark);
  background: var(--white);
  line-height: 1.7;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

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

a {
  text-decoration: none;
  color: inherit;
  transition: var(--transition);
}

ul {
  list-style: none;
}

/* === TYPOGRAPHY === */
h1,
h2,
h3,
h4,
h5,
h6 {
  font-family: var(--font-title);
  font-weight: 700;
  line-height: 1.25;
  color: var(--dark);
}

h1 {
  font-size: clamp(2rem, 5vw, 4rem);
}

h2 {
  font-size: clamp(1.5rem, 3.5vw, 3rem);
}

h3 {
  font-size: clamp(1.2rem, 2.5vw, 2rem);
}

h4 {
  font-size: clamp(1rem, 2vw, 1.5rem);
}

.section-tag {
  display: inline-block;
  font-family: var(--font-title);
  font-weight: 600;
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 3px;
  color: var(--accent);
  margin-bottom: 1rem;
  position: relative;
}

.section-tag::after {
  content: '';
  display: block;
  width: 40px;
  height: 3px;
  background: var(--accent);
  margin-top: 8px;
  border-radius: 2px;
}

/* === CONTAINER === */
.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
}

/* === BUTTONS === */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 14px 32px;
  border-radius: 50px;
  font-family: var(--font-title);
  font-weight: 600;
  font-size: 0.95rem;
  border: none;
  cursor: pointer;
  transition: var(--transition);
  position: relative;
  overflow: hidden;
  text-decoration: none;
}

.btn-primary {
  background: var(--accent);
  color: var(--white);
  box-shadow: 0 4px 15px rgba(255, 111, 0, 0.3);
}

.btn-primary:hover {
  background: var(--accent-light);
  transform: translateY(-3px);
  box-shadow: 0 8px 25px rgba(255, 111, 0, 0.4);
}

.btn-secondary {
  background: transparent;
  color: var(--white);
  border: 2px solid rgba(255, 255, 255, 0.4);
}

.btn-secondary:hover {
  border-color: var(--white);
  background: rgba(255, 255, 255, 0.1);
  transform: translateY(-3px);
}

.btn-outline {
  background: transparent;
  color: var(--primary);
  border: 2px solid var(--primary);
}

.btn-outline:hover {
  background: var(--primary);
  color: var(--white);
  transform: translateY(-3px);
  box-shadow: 0 8px 25px rgba(13, 71, 161, 0.3);
}

.btn-whatsapp {
  background: #25D366;
  color: var(--white);
  box-shadow: 0 4px 15px rgba(37, 211, 102, 0.3);
}

.btn-whatsapp:hover {
  background: #20bd5a;
  transform: translateY(-3px);
  box-shadow: 0 8px 25px rgba(37, 211, 102, 0.4);
}

.btn-sm {
  padding: 10px 24px;
  font-size: 0.85rem;
}

.btn-lg {
  padding: 18px 40px;
  font-size: 1.1rem;
}

/* === HEADER / NAVIGATION === */
.header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 1000;
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid rgba(0, 0, 0, 0.05);
  transition: var(--transition);
}

.header.scrolled {
  box-shadow: var(--shadow-md);
}

.nav {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 16px 0;
  max-width: 1200px;
  margin: 0 auto;
  padding-left: 20px;
  padding-right: 20px;
}

.logo {
  display: flex;
  align-items: center;
  gap: 12px;
  font-family: var(--font-title);
  font-weight: 700;
  font-size: 1.4rem;
  color: var(--primary);
}

.logo-icon {
  width: 48px;
  height: 48px;
  background: var(--bg-gradient);
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--white);
  font-size: 1.5rem;
  font-weight: 800;
  box-shadow: 0 4px 15px rgba(13, 71, 161, 0.3);
}

.logo span {
  font-weight: 300;
  color: var(--gray);
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 32px;
}

.nav-links a {
  font-family: var(--font-title);
  font-weight: 500;
  font-size: 0.9rem;
  color: var(--dark-gray);
  position: relative;
  padding: 4px 0;
}

.nav-links a::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--primary);
  transition: var(--transition);
  border-radius: 1px;
}

.nav-links a:hover::after,
.nav-links a.active::after {
  width: 100%;
}

.nav-links a:hover {
  color: var(--primary);
}

.nav-links a.active {
  color: var(--primary);
}

.nav-cta {
  margin-left: 8px;
  padding-left: 28px;
  padding-right: 28px;
  background: transparent !important;
  color: var(--dark-gray) !important;
  box-shadow: none !important;
  border: none !important;
}

.nav-cta:hover {
  background: transparent !important;
  color: var(--primary) !important;
  box-shadow: none !important;
  transform: translateY(-3px);
}

/* === THEME TOGGLE === */
.theme-toggle {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  border: none;
  background: var(--light-gray);
  color: var(--dark-gray);
  font-size: 1.1rem;
  cursor: pointer;
  transition: var(--transition);
  flex-shrink: 0;
}

.theme-toggle:hover {
  background: var(--primary);
  color: var(--white);
  transform: translateY(-2px);
}

.mobile-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  padding: 4px;
  background: none;
  border: none;
}

.mobile-toggle span {
  display: block;
  width: 28px;
  height: 3px;
  background: var(--dark);
  border-radius: 2px;
  transition: var(--transition);
}

.mobile-toggle.active span:nth-child(1) {
  transform: rotate(45deg) translate(5px, 6px);
}

.mobile-toggle.active span:nth-child(2) {
  opacity: 0;
}

.mobile-toggle.active span:nth-child(3) {
  transform: rotate(-45deg) translate(5px, -6px);
}

/* === HERO SECTION === */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  position: relative;
  background: var(--bg-gradient);
  overflow: hidden;
  padding-top: 80px;
}

.hero::before {
  content: '';
  position: absolute;
  top: -50%;
  right: -20%;
  width: 800px;
  height: 800px;
  background: radial-gradient(circle, rgba(255, 255, 255, 0.08) 0%, transparent 70%);
  border-radius: 50%;
  pointer-events: none;
}

.hero::after {
  content: '';
  position: absolute;
  bottom: -30%;
  left: -10%;
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, rgba(33, 150, 243, 0.15) 0%, transparent 70%);
  border-radius: 50%;
  pointer-events: none;
}

.hero-content {
  position: relative;
  z-index: 2;
  max-width: 650px;
}

.hero-content .section-tag {
  color: rgba(255, 255, 255, 0.8);
}

.hero-content .section-tag::after {
  background: var(--accent);
}

.hero-content h1 {
  color: var(--white);
  margin-bottom: 1.5rem;
}

.hero-content p {
  color: rgba(255, 255, 255, 0.85);
  font-size: 1.15rem;
  line-height: 1.8;
  margin-bottom: 2.5rem;
  max-width: 540px;
}

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

.hero-stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 30px;
  margin-top: 60px;
  padding-top: 40px;
  border-top: 1px solid rgba(255, 255, 255, 0.15);
}

.stat-item h3 {
  color: var(--white);
  font-size: 2.2rem;
  margin-bottom: 4px;
}

.stat-item p {
  color: rgba(255, 255, 255, 0.7);
  font-size: 0.9rem;
  margin-bottom: 0;
}

.hero-visual {
  position: absolute;
  right: 0;
  top: 50%;
  transform: translateY(-50%);
  width: 50%;
  height: 70%;
  display: flex;
  align-items: center;
  justify-content: center;
  pointer-events: none;
}

.hero-animation {
  width: 100%;
  max-width: 500px;
  opacity: 0.6;
}

.dots-pattern {
  position: absolute;
  bottom: 40px;
  right: 60px;
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  gap: 12px;
  opacity: 0.1;
}

.dots-pattern span {
  width: 8px;
  height: 8px;
  background: var(--white);
  border-radius: 50%;
}

/* === SERVICES SECTION === */
.services {
  padding: 100px 0;
  background: var(--light-gray);
}

.services-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 30px;
  margin-top: 50px;
}

.service-card {
  background: var(--white);
  border-radius: var(--radius-md);
  padding: 40px 30px;
  transition: var(--transition);
  position: relative;
  border: 1px solid rgba(0, 0, 0, 0.05);
  overflow: hidden;
}

.service-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 4px;
  background: var(--bg-gradient);
  transform: scaleX(0);
  transform-origin: left;
  transition: var(--transition);
}

.service-card:hover::before {
  transform: scaleX(1);
}

.service-card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-lg);
}

.service-icon {
  width: 64px;
  height: 64px;
  background: var(--light-gray);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.8rem;
  color: var(--primary);
  margin-bottom: 20px;
  transition: var(--transition);
}

.service-card:hover .service-icon {
  background: var(--primary);
  color: var(--white);
}

.service-card h3 {
  margin-bottom: 12px;
  font-size: 1.3rem;
}

.service-card p {
  color: var(--gray);
  font-size: 0.95rem;
  line-height: 1.7;
}

.service-features {
  margin-top: 20px;
  padding-top: 20px;
  border-top: 1px solid var(--light-gray);
}

.service-features li {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 0.9rem;
  color: var(--gray);
  margin-bottom: 8px;
}

.service-features li i {
  color: #10B981;
  font-size: 0.8rem;
}

/* === ABOUT SECTION === */
.about {
  padding: 100px 0;
}

.about-wrapper {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
}

.about-image {
  position: relative;
}

.about-image-main {
  width: 100%;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
}

.about-experience {
  position: absolute;
  bottom: -30px;
  right: -30px;
  background: var(--primary);
  color: var(--white);
  padding: 24px 32px;
  border-radius: var(--radius-md);
  text-align: center;
  box-shadow: var(--shadow-lg);
}

.about-experience h3 {
  font-size: 2.5rem;
  color: var(--white);
  line-height: 1;
}

.about-experience p {
  font-size: 0.85rem;
  opacity: 0.9;
  margin-top: 4px;
}

.about-content h2 {
  margin-bottom: 20px;
}

.about-content p {
  color: var(--gray);
  margin-bottom: 16px;
}

.about-values {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
  margin-top: 30px;
}

.value-item {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px 16px;
  background: var(--light-gray);
  border-radius: var(--radius-sm);
  font-weight: 500;
  font-size: 0.9rem;
}

.value-item i {
  color: var(--primary);
  font-size: 1.1rem;
}

/* === PORTFOLIO SECTION === */
.portfolio {
  padding: 100px 0;
  background: var(--bg-dark);
  color: var(--white);
}

.portfolio .section-tag {
  color: rgba(255, 255, 255, 0.7);
}

.portfolio h2 {
  color: var(--white);
}

.portfolio-filter {
  display: flex;
  gap: 12px;
  margin: 40px 0;
  flex-wrap: wrap;
}

.filter-btn {
  padding: 10px 24px;
  border-radius: 50px;
  border: 1px solid rgba(255, 255, 255, 0.2);
  background: transparent;
  color: rgba(255, 255, 255, 0.7);
  font-family: var(--font-title);
  font-weight: 500;
  font-size: 0.85rem;
  cursor: pointer;
  transition: var(--transition);
}

.filter-btn.active,
.filter-btn:hover {
  background: var(--accent);
  border-color: var(--accent);
  color: var(--white);
}

.portfolio-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 30px;
}

.solutions-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
  gap: 40px;
}

.solutions-grid .solution-card-featured {
  grid-column: 1 / -1;
}

.video-container-lg {
  padding-bottom: 42.85%;
  max-width: 100%;
  margin: 0 auto;
}

.video-container-lg iframe {
  max-width: 1200px;
  margin: 0 auto;
  display: block;
}

.solution-card {
  background: var(--card-bg);
  border-radius: var(--radius-md);
  padding: 24px;
  box-shadow: var(--shadow-sm);
}

.solution-card-featured {
  background: var(--card-bg);
  border-radius: var(--radius-lg);
  padding: 32px;
  box-shadow: var(--shadow-md);
  border: 2px solid var(--accent);
}

.solution-card h4 {
  font-size: 1.25rem;
  color: var(--text);
  margin-bottom: 16px;
  text-align: center;
}

.video-container {
  position: relative;
  width: 100%;
  padding-bottom: 56.25%;
  border-radius: var(--radius-md);
  overflow: hidden;
  background: var(--dark);
}

.video-container iframe {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  border: none;
}

.portfolio-item {
  border-radius: var(--radius-md);
  overflow: hidden;
  position: relative;
  cursor: pointer;
}

.portfolio-item .video-container {
  width: 100%;
  padding-bottom: 56.25%;
  border-radius: var(--radius-md);
  overflow: hidden;
  background: var(--dark);
}

.portfolio-item .video-container iframe {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  border: none;
}

.portfolio-item-video {
  display: flex;
  flex-direction: column;
}

.portfolio-item-video .video-container {
  width: 100%;
  padding-bottom: 56.25%;
  border-radius: var(--radius-md) var(--radius-md) 0 0;
  overflow: hidden;
}

.portfolio-video-info {
  padding: 20px;
  background: var(--card-bg);
  border-radius: 0 0 var(--radius-md) var(--radius-md);
}

.portfolio-item-video:hover .portfolio-video-info {
  background: var(--hover-bg);
}

.portfolio-item-featured {
  grid-column: 1 / -1;
  display: flex;
  flex-direction: column;
}

.portfolio-item-featured .video-container {
  width: 100%;
  padding-bottom: 42.85%;
  border-radius: var(--radius-md);
  overflow: hidden;
  background: var(--dark);
  position: relative;
}

.portfolio-item-featured .video-container iframe {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  border: none;
  max-width: 100%;
}

.portfolio-item-featured .portfolio-video-info {
  background: var(--card-bg);
  border: 2px solid var(--accent);
  border-top: none;
  border-radius: 0 0 var(--radius-md) var(--radius-md);
}

.portfolio-item-mock .mock-dashboard {
  background: linear-gradient(135deg, #1a1a2e 0%, #16213e 100%);
  padding: 16px;
  height: 260px;
  overflow: hidden;
  border-radius: var(--radius-md) var(--radius-md) 0 0;
}

.mock-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 12px;
  padding-bottom: 8px;
  border-bottom: 1px solid rgba(255,255,255,0.1);
}

.mock-title {
  font-size: 0.85rem;
  font-weight: 600;
  color: #e94560;
}

.mock-date, .mock-badge {
  font-size: 0.7rem;
  color: #888;
  background: rgba(255,255,255,0.1);
  padding: 2px 8px;
  border-radius: 10px;
}

.mock-status {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 0.7rem;
  color: #4ade80;
}

.status-dot {
  width: 6px;
  height: 6px;
  background: #4ade80;
  border-radius: 50%;
  animation: pulse 2s infinite;
}

@keyframes pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.4; }
}

.mock-kpis {
  display: flex;
  gap: 12px;
  margin-bottom: 12px;
}

.mock-kpi {
  flex: 1;
  background: rgba(255,255,255,0.05);
  padding: 10px;
  border-radius: 8px;
  text-align: center;
}

.kpi-val {
  display: block;
  font-size: 0.9rem;
  font-weight: 700;
  color: #fff;
}

.kpi-lbl {
  font-size: 0.6rem;
  color: #888;
}

.bar-chart-mock {
  display: flex;
  align-items: flex-end;
  justify-content: space-around;
  height: 60px;
  padding-top: 8px;
  border-top: 1px solid rgba(255,255,255,0.05);
}

.bar-m {
  width: 24px;
  background: linear-gradient(180deg, #e94560 0%, #ff6b6b 100%);
  border-radius: 3px 3px 0 0;
}

.mock-pipeline {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  margin: 20px 0;
}

.pipe-node {
  background: rgba(233,69,96,0.2);
  padding: 10px;
  border-radius: 8px;
  text-align: center;
  border: 1px solid #e94560;
}

.pipe-node i {
  color: #e94560;
  font-size: 1.2rem;
  display: block;
  margin-bottom: 4px;
}

.pipe-node span {
  font-size: 0.6rem;
  color: #fff;
}

.pipe-arrow {
  width: 20px;
  height: 2px;
  background: #e94560;
  position: relative;
}

.pipe-arrow::after {
  content: '';
  position: absolute;
  right: 0;
  top: -3px;
  border: 4px solid transparent;
  border-left-color: #e94560;
}

.mock-log {
  background: rgba(0,0,0,0.3);
  padding: 8px;
  border-radius: 6px;
  font-size: 0.65rem;
  margin-top: 10px;
}

.log-line {
  display: flex;
  gap: 8px;
  padding: 2px 0;
  border-bottom: 1px solid rgba(255,255,255,0.05);
}

.log-time { color: #4ade80; }
.log-msg { color: #ccc; }

.mock-map {
  position: relative;
  height: 80px;
  background: rgba(255,255,255,0.05);
  border-radius: 8px;
  margin-top: 8px;
}

.map-region {
  position: absolute;
  font-size: 0.6rem;
  color: #e94560;
  font-weight: 600;
}

.mock-site {
  padding: 0;
  background: #fff;
  display: flex;
  flex-direction: column;
}

.browser-bar {
  background: #e0e0e0;
  padding: 8px 12px;
  display: flex;
  align-items: center;
  gap: 6px;
  border-radius: 8px 8px 0 0;
}

.dot-r, .dot-y, .dot-g {
  width: 10px;
  height: 10px;
  border-radius: 50%;
}

.dot-r { background: #ff5f56; }
.dot-y { background: #ffbd2e; }
.dot-g { background: #27c93f; }

.url-bar {
  flex: 1;
  background: #fff;
  padding: 4px 12px;
  border-radius: 4px;
  font-size: 0.7rem;
  color: #888;
  margin-left: 8px;
}

.mock-site-content {
  flex: 1;
  padding: 12px;
  background: linear-gradient(180deg, #f5f5f5 0%, #fff 100%);
}

.site-header {
  height: 20px;
  background: #0D47A1;
  border-radius: 4px;
  margin-bottom: 8px;
}

.site-hero {
  height: 50px;
  background: linear-gradient(135deg, #e94560 0%, #ff6b6b 100%);
  border-radius: 4px;
  margin-bottom: 8px;
}

.site-grid {
  display: flex;
  gap: 6px;
}

.site-card {
  flex: 1;
  height: 30px;
  background: #0D47A1;
  border-radius: 4px;
  opacity: 0.3;
}

.mock-app {
  display: flex;
  gap: 8px;
  height: 180px;
}

.app-sidebar {
  width: 30px;
  background: rgba(255,255,255,0.1);
  border-radius: 6px;
  padding: 8px 4px;
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.app-nav {
  height: 20px;
  background: rgba(255,255,255,0.2);
  border-radius: 3px;
}

.app-main {
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 6px;
  overflow: hidden;
}

.app-task {
  flex: 1;
  background: rgba(255,255,255,0.1);
  border-radius: 4px;
  border-left: 3px solid #4ade80;
}

.donut-chart {
  display: flex;
  justify-content: center;
  gap: 8px;
  margin-top: 12px;
}

.donut-seg {
  width: 50px;
  height: 50px;
  border-radius: 50%;
  background: conic-gradient(var(--c) 0deg calc(3.6deg * var(--p)), rgba(255,255,255,0.1) 0deg);
  position: relative;
}

.donut-seg::after {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 30px;
  height: 30px;
  background: #16213e;
  border-radius: 50%;
}

.datalake-diagram {
  display: flex;
  gap: 12px;
  justify-content: center;
  margin-top: 20px;
}

.dl-zone {
  flex: 1;
  background: rgba(255,255,255,0.05);
  padding: 12px;
  border-radius: 8px;
  border: 1px dashed rgba(255,255,255,0.2);
}

.zone-title {
  font-size: 0.7rem;
  color: #e94560;
  font-weight: 600;
  margin-bottom: 8px;
}

.zone-files {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.file {
  height: 16px;
  background: linear-gradient(90deg, rgba(255,255,255,0.1) 0%, rgba(255,255,255,0.05) 100%);
  border-radius: 3px;
  border-left: 2px solid #4ade80;
}

.mock-blog {
  padding: 16px;
  background: linear-gradient(135deg, #f5f5f5 0%, #fff 100%);
}

.blog-header {
  font-size: 0.85rem;
  font-weight: 600;
  color: #0D47A1;
  margin-bottom: 12px;
}

.blog-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 8px;
}

.blog-card-m {
  background: #fff;
  border-radius: 6px;
  overflow: hidden;
  box-shadow: 0 2px 8px rgba(0,0,0,0.1);
}

.blog-img {
  height: 40px;
  background: linear-gradient(135deg, #0D47A1 0%, #1565C0 100%);
}

.blog-title {
  height: 12px;
  background: #e0e0e0;
  margin: 6px;
  border-radius: 2px;
}

.blog-date {
  width: 50%;
  height: 8px;
  background: #e0e0e0;
  margin: 0 6px 6px;
  border-radius: 2px;
}

.live-dot {
  width: 8px;
  height: 8px;
  background: #e94560;
  border-radius: 50%;
  animation: pulse 1s infinite;
}

.realtime-chart {
  height: 80px;
  background: rgba(255,255,255,0.05);
  border-radius: 8px;
  margin: 10px 0;
  position: relative;
  overflow: hidden;
}

.rt-line {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 60%;
  background: linear-gradient(180deg, rgba(233,69,96,0.3) 0%, transparent 100%);
  clip-path: polygon(0 100%, 0 60%, 15% 40%, 30% 55%, 45% 30%, 60% 50%, 75% 25%, 90% 45%, 100% 35%, 100% 100%);
}

.rt-stats {
  display: flex;
  gap: 8px;
}

.rt-stat {
  flex: 1;
  background: rgba(255,255,255,0.05);
  padding: 8px;
  border-radius: 6px;
  text-align: center;
}

.stat-val {
  display: block;
  font-size: 0.85rem;
  font-weight: 700;
  color: #fff;
}

.stat-lbl {
  font-size: 0.6rem;
  color: #888;
}

.portfolio-item img {
  width: 100%;
  height: 280px;
  object-fit: cover;
  transition: var(--transition);
}

.portfolio-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(0, 0, 0, 0.9) 0%, transparent 60%);
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  padding: 30px;
  opacity: 0;
  transition: var(--transition);
}

.portfolio-item:hover .portfolio-overlay {
  opacity: 1;
}

.portfolio-item:hover img {
  transform: scale(1.05);
}

.portfolio-overlay h4 {
  color: var(--white);
  margin-bottom: 6px;
}

.portfolio-overlay p {
  color: rgba(255, 255, 255, 0.8);
  font-size: 0.9rem;
}

.portfolio-tech {
  display: flex;
  gap: 8px;
  margin-bottom: 12px;
  flex-wrap: wrap;
}

.portfolio-tech span {
  padding: 4px 12px;
  background: rgba(255, 255, 255, 0.15);
  border-radius: 50px;
  font-size: 0.75rem;
  color: rgba(255, 255, 255, 0.9);
}

.portfolio-placeholder {
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(255, 255, 255, 0.1);
  height: 280px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-md);
  gap: 16px;
  color: rgba(255, 255, 255, 0.5);
  font-size: 3rem;
  transition: var(--transition);
}

.portfolio-item:hover .portfolio-placeholder {
  background: rgba(255, 255, 255, 0.1);
  border-color: var(--accent);
  transform: scale(1.02);
}

/* === BLOG SECTION === */
.blog {
  padding: 100px 0;
}

.blog-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 30px;
  margin-top: 50px;
}

.blog-card {
  border-radius: var(--radius-md);
  overflow: hidden;
  border: 1px solid rgba(0, 0, 0, 0.05);
  transition: var(--transition);
  background: var(--white);
}

.blog-card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-lg);
}

.blog-card-image {
  height: 200px;
  background: var(--light-gray);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 2rem;
  color: var(--gray);
}

.blog-card-body {
  padding: 24px;
}

.blog-card-meta {
  display: flex;
  align-items: center;
  gap: 16px;
  font-size: 0.8rem;
  color: var(--gray);
  margin-bottom: 12px;
}

.blog-card-meta span {
  display: flex;
  align-items: center;
  gap: 6px;
}

.blog-card h3 {
  font-size: 1.15rem;
  margin-bottom: 12px;
  line-height: 1.4;
}

.blog-card p {
  color: var(--gray);
  font-size: 0.9rem;
  margin-bottom: 16px;
}

.blog-card-link {
  color: var(--primary);
  font-weight: 600;
  font-size: 0.9rem;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-family: var(--font-title);
}

.blog-card-link:hover {
  gap: 12px;
  color: var(--primary-dark);
}

/* === TESTIMONIALS === */
.testimonials {
  padding: 100px 0;
  background: var(--light-gray);
}

.testimonials-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 30px;
  margin-top: 50px;
}

.testimonial-card {
  background: var(--white);
  border-radius: var(--radius-md);
  padding: 32px;
  box-shadow: var(--shadow-sm);
  transition: var(--transition);
}

.testimonial-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
}

.testimonial-stars {
  color: #FFB800;
  margin-bottom: 16px;
  font-size: 0.9rem;
}

.testimonial-text {
  color: var(--gray);
  font-style: italic;
  line-height: 1.8;
  margin-bottom: 20px;
}

.testimonial-author {
  display: flex;
  align-items: center;
  gap: 12px;
}

.testimonial-avatar {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: var(--primary);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--white);
  font-weight: 700;
  font-size: 1.2rem;
}

.testimonial-info h4 {
  font-size: 1rem;
}

.testimonial-info p {
  font-size: 0.85rem;
  color: var(--gray);
}

/* === CTA SECTION === */
.cta {
  padding: 100px 0;
  background: var(--bg-gradient);
  position: relative;
  overflow: hidden;
  text-align: center;
}

.cta::before {
  content: '';
  position: absolute;
  inset: 0;
  background: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%23ffffff' fill-opacity='0.04'%3E%3Cpath d='M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
  opacity: 0.5;
}

.cta-content {
  position: relative;
  z-index: 2;
  max-width: 700px;
  margin: 0 auto;
}

.cta-content h2 {
  color: var(--white);
  margin-bottom: 20px;
}

.cta-content p {
  color: rgba(255, 255, 255, 0.85);
  font-size: 1.1rem;
  margin-bottom: 32px;
}

.cta-buttons {
  display: flex;
  gap: 16px;
  justify-content: center;
  flex-wrap: wrap;
}

/* === CONTACT SECTION === */
.contact {
  padding: 100px 0;
}

.contact-wrapper {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  margin-top: 50px;
}

.contact-info {
  display: flex;
  flex-direction: column;
  gap: 30px;
}

.contact-item {
  display: flex;
  align-items: flex-start;
  gap: 16px;
}

.contact-icon {
  width: 56px;
  height: 56px;
  min-width: 56px;
  background: var(--light-gray);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.3rem;
  color: var(--primary);
}

.contact-item h4 {
  font-size: 1rem;
  margin-bottom: 4px;
}

.contact-item p {
  color: var(--gray);
  font-size: 0.95rem;
}

.contact-form {
  background: var(--white);
  border-radius: var(--radius-md);
  padding: 40px;
  box-shadow: var(--shadow-md);
  border: 1px solid rgba(0, 0, 0, 0.05);
}

.form-group {
  margin-bottom: 20px;
}

.form-group label {
  display: block;
  font-family: var(--font-title);
  font-weight: 500;
  font-size: 0.9rem;
  margin-bottom: 6px;
  color: var(--dark);
}

.form-control {
  width: 100%;
  padding: 14px 16px;
  border: 2px solid var(--light-gray);
  border-radius: var(--radius-sm);
  font-family: var(--font-body);
  font-size: 0.95rem;
  transition: var(--transition);
  background: var(--light-gray);
  outline: none;
}

.form-control:focus {
  border-color: var(--primary);
  background: var(--white);
  box-shadow: 0 0 0 4px rgba(13, 71, 161, 0.1);
}

textarea.form-control {
  min-height: 140px;
  resize: vertical;
}

/* === FOOTER === */
.footer {
  background: var(--bg-dark);
  color: rgba(255, 255, 255, 0.8);
  padding: 80px 0 0;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 40px;
  padding-bottom: 60px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-brand .logo {
  color: var(--white);
  margin-bottom: 16px;
}

.footer-brand .logo-icon {
  background: var(--accent);
  box-shadow: 0 4px 15px rgba(255, 111, 0, 0.3);
}

.footer-brand p {
  opacity: 0.7;
  font-size: 0.9rem;
  line-height: 1.7;
  max-width: 320px;
}

.footer-social {
  display: flex;
  gap: 12px;
  margin-top: 20px;
}

.footer-social a {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.1);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--white);
  font-size: 1rem;
  transition: var(--transition);
}

.footer-social a:hover {
  background: var(--accent);
  transform: translateY(-3px);
}

.footer h4 {
  color: var(--white);
  font-size: 1.05rem;
  margin-bottom: 20px;
}

.footer-links li {
  margin-bottom: 12px;
}

.footer-links a {
  opacity: 0.7;
  font-size: 0.9rem;
  transition: var(--transition);
}

.footer-links a:hover {
  opacity: 1;
  color: var(--accent);
  padding-left: 4px;
}

.footer-bottom {
  padding: 24px 0;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 16px;
  font-size: 0.85rem;
  opacity: 0.6;
}

/* === WHATSAPP FLOATING BUTTON === */
.whatsapp-float {
  position: fixed;
  bottom: 24px;
  right: 24px;
  width: 60px;
  height: 60px;
  background: #25D366;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--white);
  font-size: 1.8rem;
  box-shadow: 0 4px 20px rgba(37, 211, 102, 0.4);
  z-index: 999;
  transition: var(--transition);
  text-decoration: none;
}

.whatsapp-float:hover {
  transform: scale(1.1);
  box-shadow: 0 8px 30px rgba(37, 211, 102, 0.5);
  color: var(--white);
}

.whatsapp-float-tooltip {
  position: absolute;
  right: 70px;
  background: var(--white);
  color: var(--dark);
  padding: 8px 16px;
  border-radius: 8px;
  font-size: 0.85rem;
  white-space: nowrap;
  box-shadow: var(--shadow-md);
  opacity: 0;
  pointer-events: none;
  transition: var(--transition);
  font-family: var(--font-title);
  font-weight: 500;
}

.whatsapp-float:hover .whatsapp-float-tooltip {
  opacity: 1;
}

/* === SCROLL TO TOP === */
.scroll-top {
  position: fixed;
  bottom: 96px;
  right: 24px;
  width: 48px;
  height: 48px;
  background: var(--primary);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--white);
  font-size: 1.2rem;
  box-shadow: var(--shadow-md);
  z-index: 999;
  transition: var(--transition);
  opacity: 0;
  visibility: hidden;
  transform: translateY(20px);
  cursor: pointer;
  border: none;
}

.scroll-top.visible {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.scroll-top:hover {
  background: var(--primary-dark);
  transform: translateY(-4px);
}

/* === ANIMATIONS === */
@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(30px);
  }

  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes pulse {

  0%,
  100% {
    transform: scale(1);
  }

  50% {
    transform: scale(1.05);
  }
}

.animate-in {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.animate-in.visible {
  opacity: 1;
  transform: translateY(0);
}

/* === PAGE HEADER === */
.page-header {
  padding-top: 120px;
  padding-bottom: 60px;
  background: var(--bg-gradient);
  color: var(--white);
  text-align: center;
}

.page-header h1 {
  color: var(--white);
  margin-bottom: 12px;
}

.page-header p {
  color: rgba(255, 255, 255, 0.8);
  font-size: 1.1rem;
  max-width: 600px;
  margin: 0 auto;
}

.breadcrumb {
  display: flex;
  justify-content: center;
  gap: 8px;
  font-size: 0.9rem;
  margin-bottom: 20px;
  color: rgba(255, 255, 255, 0.7);
}

.breadcrumb a {
  color: rgba(255, 255, 255, 0.7);
}

.breadcrumb a:hover {
  color: var(--white);
}

.breadcrumb span {
  color: rgba(255, 255, 255, 0.5);
}

/* === RESPONSIVE === */
@media (max-width: 1024px) {
  .hero-visual {
    display: none;
  }

  .about-wrapper {
    grid-template-columns: 1fr;
    gap: 40px;
  }

  .footer-grid {
    grid-template-columns: 1fr 1fr;
  }
}

@media (max-width: 768px) {
  .nav-links {
    position: fixed;
    top: 0;
    right: -100%;
    width: 80%;
    max-width: 320px;
    height: 100vh;
    background: var(--white);
    flex-direction: column;
    padding: 100px 40px 40px;
    box-shadow: var(--shadow-xl);
    transition: right 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    align-items: flex-start;
    gap: 24px;
  }

  .nav-links.open {
    right: 0;
  }

  .mobile-toggle {
    display: flex;
  }

  .mobile-overlay {
    display: none;
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.5);
    z-index: 999;
  }

  .mobile-overlay.open {
    display: block;
  }

  .nav-cta {
    margin-left: 0;
  }

  .hero {
    min-height: auto;
    padding: 120px 0 60px;
  }

  .hero-stats {
    grid-template-columns: 1fr;
    gap: 20px;
    margin-top: 40px;
    padding-top: 30px;
  }

  .hero-content h1 {
    font-size: 2rem;
  }


  .services-grid {
    grid-template-columns: 1fr;
  }

  .portfolio-grid {
    grid-template-columns: 1fr;
  }

  .solutions-grid {
    grid-template-columns: 1fr;
  }

  .blog-grid {
    grid-template-columns: 1fr;
  }

  .contact-wrapper {
    grid-template-columns: 1fr;
    gap: 40px;
  }

  .footer-grid {
    grid-template-columns: 1fr;
    gap: 30px;
  }

  .about-values {
    grid-template-columns: 1fr;
  }

  .footer-bottom {
    flex-direction: column;
    text-align: center;
  }
}

@media (max-width: 480px) {
  .hero-buttons {
    flex-direction: column;
  }

  .hero-buttons .btn {
    width: 100%;
    justify-content: center;
  }

  .cta-buttons {
    flex-direction: column;
  }

  .cta-buttons .btn {
    width: 100%;
    justify-content: center;
  }

  .portfolio-filter {
    flex-wrap: nowrap;
    overflow-x: auto;
    padding-bottom: 8px;
  }

  .filter-btn {
    white-space: nowrap;
  }

  .contact-form {
    padding: 24px;
  }

  .about-experience {
    position: relative;
    bottom: 0;
    right: 0;
    margin-top: -20px;
    margin-left: auto;
    width: fit-content;
  }
}

/* === DARK MODE ELEMENT OVERRIDES === */
[data-theme="dark"] body {
  background: #0b0b1a;
}

[data-theme="dark"] .header {
  background: rgba(11, 11, 26, 0.95);
  border-bottom-color: rgba(255, 255, 255, 0.05);
}

[data-theme="dark"] .header.scrolled {
  box-shadow: 0 8px 30px rgba(0, 0, 0, 0.5);
}

[data-theme="dark"] .service-card,
[data-theme="dark"] .blog-card,
[data-theme="dark"] .testimonial-card,
[data-theme="dark"] .contact-form {
  background: #13132a;
  border-color: rgba(255, 255, 255, 0.06);
}

[data-theme="dark"] .service-icon {
  background: rgba(255, 255, 255, 0.06);
  color: var(--primary-light);
}

[data-theme="dark"] .service-card:hover .service-icon {
  background: var(--primary);
  color: var(--white);
}

[data-theme="dark"] .service-features {
  border-top-color: rgba(255, 255, 255, 0.06);
}

[data-theme="dark"] .value-item {
  background: rgba(255, 255, 255, 0.06);
}

[data-theme="dark"] .form-control {
  background: #1a1a30;
  border-color: #1a1a30;
  color: var(--dark);
}

[data-theme="dark"] .form-control:focus {
  background: #1a1a30;
  border-color: var(--primary);
}

[data-theme="dark"] .form-control::placeholder {
  color: var(--gray);
}

[data-theme="dark"] .mobile-toggle span {
  background: var(--dark);
}

[data-theme="dark"] .whatsapp-float-tooltip {
  color: #1a1a2e;
}

[data-theme="dark"] .blog-card-meta {
  color: var(--gray);
}

[data-theme="dark"] .error-message {
  color: #f87171;
}

@media (max-width: 768px) {
  [data-theme="dark"] .nav-links {
    background: #0b0b1a;
  }
}