/* ============================================
   EN NAM SOFTWARE - Landing Page Styles
   Dark theme | Cyan-Blue gradient (matches logo)
   ============================================ */

/* --- CSS Variables --- */
:root {
  --bg-primary: #0a0f1a;
  --bg-secondary: #0f1629;
  --bg-card: #152035;
  --bg-card-hover: #1c2a45;

  --text-primary: #f0f4f8;
  --text-secondary: #94a3b8;
  --text-muted: #64748b;

  --accent-cyan: #22d3ee;
  --accent-blue: #0ea5e9;
  --accent-sky: #38bdf8;

  --gradient-main: linear-gradient(135deg, #22d3ee, #0ea5e9);
  --gradient-hero: linear-gradient(135deg, #0a0f1a 0%, #0c1a2e 50%, #0a0f1a 100%);
  --gradient-cta: linear-gradient(135deg, #0c1a2e, #0f2847, #0c1e3a);

  --glow-blue: 0 0 20px rgba(14, 165, 233, 0.3);
  --glow-cyan: 0 0 20px rgba(34, 211, 238, 0.3);

  --radius: 12px;
  --radius-lg: 20px;
  --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);

  --font-main: 'Inter', sans-serif;
  --font-heading: 'Poppins', sans-serif;
}

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

html {
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  font-family: var(--font-main);
  background: var(--bg-primary);
  color: var(--text-primary);
  line-height: 1.6;
  overflow-x: hidden;
}

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

ul {
  list-style: none;
}

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

/* --- Typography --- */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  font-weight: 700;
  line-height: 1.2;
}

.section-title {
  font-size: clamp(2rem, 4vw, 3rem);
  text-align: center;
  margin-bottom: 1rem;
  background: var(--gradient-main);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.section-subtitle {
  text-align: center;
  color: var(--text-secondary);
  font-size: 1.1rem;
  max-width: 600px;
  margin: 0 auto 3.5rem;
}

/* --- Container --- */
.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 1.5rem;
}

section {
  padding: 6rem 0;
  position: relative;
}

/* --- Buttons --- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.9rem 2rem;
  border-radius: 50px;
  font-family: var(--font-main);
  font-size: 1rem;
  font-weight: 600;
  border: none;
  cursor: pointer;
  transition: var(--transition);
  position: relative;
  overflow: hidden;
}

.btn-primary {
  background: var(--gradient-main);
  color: #fff;
  font-weight: 600;
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: var(--glow-blue), var(--glow-cyan);
}

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

.btn-outline:hover {
  background: var(--accent-cyan);
  color: #fff;
  transform: translateY(-2px);
}

/* ============================================
   NAVIGATION
   ============================================ */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 1000;
  padding: 1rem 0;
  transition: var(--transition);
}

.navbar.scrolled {
  background: rgba(10, 14, 26, 0.92);
  backdrop-filter: blur(12px);
  padding: 0.6rem 0;
  border-bottom: 1px solid rgba(14, 165, 233, 0.1);
}

.navbar .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.nav-logo {
  display: flex;
  align-items: center;
}

.nav-logo img {
  height: 36px;
  width: auto;
}

.nav-menu {
  display: flex;
  align-items: center;
  gap: 2rem;
}

.nav-link {
  font-size: 0.95rem;
  font-weight: 500;
  color: var(--text-secondary);
  transition: var(--transition);
  position: relative;
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--gradient-main);
  transition: var(--transition);
}

.nav-link:hover,
.nav-link.active {
  color: var(--text-primary);
}

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

/* Language switch */
.lang-switch {
  padding: 0.3rem 0.7rem;
  border: 1px solid rgba(14, 165, 233, 0.3);
  border-radius: 6px;
  font-size: 0.8rem !important;
  font-weight: 700 !important;
  letter-spacing: 1px;
}

.lang-switch:hover {
  border-color: var(--accent-cyan);
  background: rgba(14, 165, 233, 0.1);
}

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

.nav-toggle span {
  display: block;
  width: 26px;
  height: 2px;
  background: var(--text-primary);
  transition: var(--transition);
  border-radius: 2px;
}

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

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

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

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

/* Animated gradient orbs */
.hero-bg {
  position: absolute;
  inset: 0;
  overflow: hidden;
  z-index: 0;
}

.hero-bg .orb {
  position: absolute;
  border-radius: 50%;
  filter: blur(80px);
  opacity: 0.4;
}

.hero-bg .orb-1 {
  width: 500px;
  height: 500px;
  background: var(--accent-cyan);
  top: -10%;
  right: -5%;
}

.hero-bg .orb-2 {
  width: 400px;
  height: 400px;
  background: var(--accent-blue);
  bottom: -15%;
  left: -5%;
}

.hero-bg .orb-3 {
  width: 300px;
  height: 300px;
  background: var(--accent-cyan);
  top: 50%;
  left: 40%;
}

/* Grid pattern overlay */
.hero-grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(14, 165, 233, 0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(14, 165, 233, 0.03) 1px, transparent 1px);
  background-size: 60px 60px;
  z-index: 1;
}

.hero .container {
  position: relative;
  z-index: 2;
  text-align: center;
}

.hero-tag {
  display: inline-block;
  padding: 0.4rem 1.2rem;
  border-radius: 50px;
  border: 1px solid rgba(34, 211, 238, 0.3);
  background: rgba(34, 211, 238, 0.1);
  color: var(--accent-cyan);
  font-size: 0.85rem;
  font-weight: 500;
  margin-bottom: 1.5rem;
  letter-spacing: 0.5px;
}

.hero h1 {
  font-size: clamp(2.5rem, 5.5vw, 4.2rem);
  max-width: 850px;
  margin: 0 auto 1.5rem;
  letter-spacing: -0.5px;
}

.hero h1 .gradient-text {
  background: var(--gradient-main);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-description {
  font-size: 1.15rem;
  color: var(--text-secondary);
  max-width: 600px;
  margin: 0 auto 2.5rem;
  line-height: 1.7;
}

.hero-buttons {
  display: flex;
  gap: 1rem;
  justify-content: center;
  flex-wrap: wrap;
}

.hero-stats {
  display: flex;
  justify-content: center;
  gap: 3rem;
  margin-top: 4rem;
  flex-wrap: wrap;
}

.hero-stat {
  text-align: center;
}

.hero-stat .number {
  font-family: var(--font-heading);
  font-size: 2.5rem;
  font-weight: 800;
  background: var(--gradient-main);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-stat .label {
  font-size: 0.9rem;
  color: var(--text-muted);
  margin-top: 0.25rem;
}

/* Scroll indicator */
.scroll-indicator {
  position: absolute;
  bottom: 2rem;
  left: 50%;
  transform: translateX(-50%);
  z-index: 2;
}

.scroll-indicator .mouse {
  width: 26px;
  height: 40px;
  border: 2px solid var(--text-muted);
  border-radius: 13px;
  display: flex;
  justify-content: center;
  padding-top: 8px;
}

.scroll-indicator .wheel {
  width: 3px;
  height: 8px;
  background: var(--accent-cyan);
  border-radius: 2px;
  animation: scrollWheel 1.5s ease-in-out infinite;
}

@keyframes scrollWheel {
  0% { opacity: 1; transform: translateY(0); }
  100% { opacity: 0; transform: translateY(10px); }
}

/* ============================================
   ABOUT SECTION
   ============================================ */
.about {
  background: var(--bg-secondary);
}

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

.about-content p {
  color: var(--text-secondary);
  margin-bottom: 1.5rem;
  line-height: 1.8;
}

.about-content h2 {
  font-size: clamp(2rem, 3.5vw, 2.8rem);
  margin-bottom: 1.5rem;
  background: var(--gradient-main);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

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

.highlight-card {
  background: var(--bg-card);
  border-radius: var(--radius);
  padding: 1.5rem;
  border: 1px solid rgba(14, 165, 233, 0.08);
  transition: var(--transition);
}

.highlight-card:hover {
  border-color: rgba(14, 165, 233, 0.2);
  transform: translateY(-4px);
}

.highlight-card .icon {
  width: 48px;
  height: 48px;
  border-radius: 12px;
  background: linear-gradient(135deg, rgba(14, 165, 233, 0.15), rgba(34, 211, 238, 0.15));
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.4rem;
  margin-bottom: 0.75rem;
}

.highlight-card h4 {
  font-size: 1rem;
  margin-bottom: 0.4rem;
}

.highlight-card p {
  font-size: 0.85rem;
  color: var(--text-muted);
  line-height: 1.5;
}

/* ============================================
   SERVICES SECTION
   ============================================ */
.services-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
}

.service-card {
  background: var(--bg-card);
  border-radius: var(--radius-lg);
  padding: 2rem;
  border: 1px solid rgba(14, 165, 233, 0.06);
  transition: var(--transition);
  position: relative;
  overflow: hidden;
}

/* Glow border effect on hover */
.service-card::before {
  content: '';
  position: absolute;
  inset: 0;
  border-radius: var(--radius-lg);
  padding: 1px;
  background: var(--gradient-main);
  -webkit-mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
  -webkit-mask-composite: xor;
  mask-composite: exclude;
  opacity: 0;
  transition: opacity 0.4s ease;
}

.service-card:hover::before {
  opacity: 1;
}

.service-card:hover {
  background: var(--bg-card-hover);
  transform: translateY(-8px);
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.3);
}

.service-icon {
  width: 56px;
  height: 56px;
  border-radius: 14px;
  background: linear-gradient(135deg, rgba(14, 165, 233, 0.15), rgba(34, 211, 238, 0.15));
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.6rem;
  margin-bottom: 1.25rem;
}

.service-card h3 {
  font-size: 1.2rem;
  margin-bottom: 0.75rem;
}

.service-card p {
  color: var(--text-secondary);
  font-size: 0.95rem;
  line-height: 1.6;
}

/* ============================================
   TECH STACK SECTION
   ============================================ */
.tech-stack {
  background: var(--bg-secondary);
  overflow: hidden;
}

.marquee-wrapper {
  overflow: hidden;
  padding: 1rem 0;
  mask-image: linear-gradient(90deg, transparent, #000 10%, #000 90%, transparent);
  -webkit-mask-image: linear-gradient(90deg, transparent, #000 10%, #000 90%, transparent);
}

.marquee-track {
  display: flex;
  gap: 3rem;
  width: max-content;
  animation: marquee 30s linear infinite;
}

.marquee-track:hover {
  animation-play-state: paused;
}

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

.tech-item {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.75rem 1.5rem;
  background: var(--bg-card);
  border-radius: var(--radius);
  border: 1px solid rgba(14, 165, 233, 0.06);
  white-space: nowrap;
  transition: var(--transition);
}

.tech-item:hover {
  border-color: rgba(14, 165, 233, 0.2);
}

.tech-item .tech-icon {
  font-size: 1.5rem;
}

.tech-item .tech-name {
  font-weight: 600;
  font-size: 0.95rem;
}

/* ============================================
   PROJECTS SECTION
   ============================================ */
.projects-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
}

.project-card {
  border-radius: var(--radius-lg);
  overflow: hidden;
  position: relative;
  aspect-ratio: 4/3;
  background: var(--bg-card);
  cursor: pointer;
}

.project-thumb {
  width: 100%;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 3rem;
  background: linear-gradient(135deg, var(--bg-card), var(--bg-card-hover));
  transition: transform 0.6s ease;
}

.project-card:hover .project-thumb {
  transform: scale(1.05);
}

.project-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(10, 14, 26, 0.95) 0%, transparent 60%);
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  padding: 1.5rem;
  opacity: 0;
  transition: opacity 0.4s ease;
}

.project-card:hover .project-overlay {
  opacity: 1;
}

.project-overlay h3 {
  font-size: 1.15rem;
  margin-bottom: 0.4rem;
}

.project-overlay p {
  font-size: 0.85rem;
  color: var(--text-secondary);
  margin-bottom: 0.75rem;
}

.project-tags {
  display: flex;
  gap: 0.5rem;
  flex-wrap: wrap;
}

.project-tag {
  padding: 0.2rem 0.6rem;
  border-radius: 50px;
  font-size: 0.75rem;
  font-weight: 500;
  background: rgba(14, 165, 233, 0.15);
  color: var(--accent-cyan);
}

/* ============================================
   WHY CHOOSE US
   ============================================ */
.why-us {
  background: var(--bg-secondary);
}

.why-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.5rem;
  max-width: 900px;
  margin: 0 auto;
}

.why-item {
  display: flex;
  gap: 1rem;
  padding: 1.5rem;
  background: var(--bg-card);
  border-radius: var(--radius);
  border: 1px solid rgba(14, 165, 233, 0.06);
  transition: var(--transition);
}

.why-item:hover {
  border-color: rgba(14, 165, 233, 0.15);
  transform: translateX(4px);
}

.why-icon {
  flex-shrink: 0;
  width: 44px;
  height: 44px;
  border-radius: 10px;
  background: linear-gradient(135deg, rgba(14, 165, 233, 0.15), rgba(34, 211, 238, 0.15));
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.2rem;
}

.why-item h4 {
  font-size: 1rem;
  margin-bottom: 0.3rem;
}

.why-item p {
  font-size: 0.9rem;
  color: var(--text-secondary);
  line-height: 1.5;
}

/* ============================================
   CTA SECTION
   ============================================ */
.cta-section {
  position: relative;
  overflow: hidden;
}

.cta-bg {
  position: absolute;
  inset: 0;
  background: var(--gradient-cta);
  z-index: 0;
}

.cta-bg .orb {
  position: absolute;
  border-radius: 50%;
  filter: blur(100px);
  opacity: 0.3;
}

.cta-bg .orb-1 {
  width: 400px;
  height: 400px;
  background: var(--accent-cyan);
  top: -30%;
  left: 10%;
}

.cta-bg .orb-2 {
  width: 350px;
  height: 350px;
  background: var(--accent-blue);
  bottom: -30%;
  right: 10%;
}

.cta-section .container {
  position: relative;
  z-index: 1;
  text-align: center;
}

.cta-section h2 {
  font-size: clamp(2rem, 4vw, 3rem);
  margin-bottom: 1rem;
}

.cta-section p {
  color: var(--text-secondary);
  font-size: 1.1rem;
  max-width: 550px;
  margin: 0 auto 2rem;
}

.cta-section .btn-primary {
  animation: pulse 2.5s ease-in-out infinite;
}

@keyframes pulse {
  0%, 100% { box-shadow: 0 0 0 0 rgba(14, 165, 233, 0.4); }
  50% { box-shadow: 0 0 0 12px rgba(14, 165, 233, 0); }
}

/* ============================================
   FOOTER
   ============================================ */
.footer {
  background: var(--bg-secondary);
  padding: 4rem 0 0;
  border-top: 1px solid rgba(14, 165, 233, 0.06);
}

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

.footer-brand .nav-logo {
  margin-bottom: 1rem;
  display: inline-block;
}

.footer-brand .nav-logo img {
  height: 32px;
}

.footer-brand p {
  color: var(--text-muted);
  font-size: 0.9rem;
  line-height: 1.7;
  margin-bottom: 1.25rem;
}

.social-links {
  display: flex;
  gap: 0.75rem;
}

.social-link {
  width: 40px;
  height: 40px;
  border-radius: 10px;
  background: var(--bg-card);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.1rem;
  transition: var(--transition);
  border: 1px solid rgba(14, 165, 233, 0.06);
}

.social-link:hover {
  background: var(--accent-cyan);
  transform: translateY(-2px);
}

.footer-column h4 {
  font-size: 1rem;
  margin-bottom: 1.25rem;
  color: var(--text-primary);
}

.footer-column li {
  margin-bottom: 0.75rem;
}

.footer-column a {
  color: var(--text-muted);
  font-size: 0.9rem;
  transition: var(--transition);
}

.footer-column a:hover {
  color: var(--accent-cyan);
}

.footer-bottom {
  padding: 1.5rem 0;
  border-top: 1px solid rgba(14, 165, 233, 0.06);
  text-align: center;
}

.footer-bottom p {
  color: var(--text-muted);
  font-size: 0.85rem;
}

/* ============================================
   LOADING SCREEN
   ============================================ */
.loader {
  position: fixed;
  inset: 0;
  background: var(--bg-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 9999;
  flex-direction: column;
  gap: 1.5rem;
}

.loader-logo {
  display: flex;
  align-items: center;
  justify-content: center;
}

.loader-logo img {
  height: 48px;
  width: auto;
}

.loader-bar {
  width: 120px;
  height: 3px;
  background: var(--bg-card);
  border-radius: 3px;
  overflow: hidden;
}

.loader-bar-inner {
  width: 0;
  height: 100%;
  background: var(--gradient-main);
  border-radius: 3px;
}

/* ============================================
   CUSTOM CURSOR
   ============================================ */
.cursor-dot {
  width: 8px;
  height: 8px;
  background: var(--accent-cyan);
  border-radius: 50%;
  position: fixed;
  pointer-events: none;
  z-index: 10000;
  transition: width 0.2s, height 0.2s, background 0.2s;
  transform: translate(-50%, -50%);
  mix-blend-mode: difference;
}

.cursor-ring {
  width: 36px;
  height: 36px;
  border: 1.5px solid rgba(14, 165, 233, 0.5);
  border-radius: 50%;
  position: fixed;
  pointer-events: none;
  z-index: 10000;
  transform: translate(-50%, -50%);
  transition: width 0.3s, height 0.3s, border-color 0.3s;
}

.cursor-dot.hover {
  width: 12px;
  height: 12px;
  background: var(--accent-blue);
}

.cursor-ring.hover {
  width: 50px;
  height: 50px;
  border-color: rgba(34, 211, 238, 0.5);
}

.text-white {
  color: #fff;
}

/* ============================================
   RESPONSIVE
   ============================================ */
@media (max-width: 1024px) {
  .services-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .projects-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .footer-grid {
    grid-template-columns: 1fr 1fr;
    gap: 2rem;
  }
}

@media (max-width: 768px) {
  section {
    padding: 4rem 0;
  }

  .nav-menu {
    position: fixed;
    top: 0;
    right: -100%;
    width: 75%;
    max-width: 320px;
    height: 100vh;
    background: rgba(10, 14, 26, 0.98);
    backdrop-filter: blur(16px);
    flex-direction: column;
    justify-content: center;
    gap: 2rem;
    transition: right 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    border-left: 1px solid rgba(14, 165, 233, 0.1);
  }

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

  .nav-toggle {
    display: flex;
  }

  .about-grid {
    grid-template-columns: 1fr;
    gap: 2rem;
  }

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

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

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

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

  .hero-stats {
    gap: 2rem;
  }

  .hero-stat .number {
    font-size: 2rem;
  }

  .footer-grid {
    grid-template-columns: 1fr;
    gap: 2rem;
  }

  /* Hide custom cursor on touch devices */
  .cursor-dot,
  .cursor-ring {
    display: none;
  }
}

@media (max-width: 480px) {
  .hero h1 {
    font-size: 2rem;
  }

  .hero-buttons {
    flex-direction: column;
    align-items: center;
  }

  .hero-stats {
    flex-direction: column;
    gap: 1.5rem;
  }
}