/* ===================================================
   CLOUDINDESIGN — Design System & Styles
   =================================================== */

/* ---------- CSS Custom Properties ---------- */
:root {
  /* Colors */
  --bg-deep: #0a0e1a;
  --bg-card: rgba(255, 255, 255, 0.04);
  --bg-card-hover: rgba(255, 255, 255, 0.07);
  --bg-nav: rgba(10, 14, 26, 0.75);
  --text-primary: #f0f2f8;
  --text-secondary: #9ba3b8;
  --text-muted: #5c6478;
  --accent-blue: #00d4ff;
  --accent-purple: #7b2fff;
  --gradient: linear-gradient(135deg, var(--accent-blue), var(--accent-purple));
  --gradient-hover: linear-gradient(135deg, var(--accent-purple), var(--accent-blue));
  --border-subtle: rgba(255, 255, 255, 0.08);
  --glow-blue: rgba(0, 212, 255, 0.25);
  --glow-purple: rgba(123, 47, 255, 0.20);

  /* Typography */
  --font-body: 'Inter', system-ui, sans-serif;
  --font-heading: 'Outfit', 'Inter', sans-serif;

  /* Spacing */
  --section-pad: 120px 0;
  --container-w: 1200px;
  --radius: 16px;
  --radius-sm: 10px;
}

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

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

body {
  font-family: var(--font-body);
  background: var(--bg-deep);
  color: var(--text-primary);
  font-size: 1.05rem;
  line-height: 1.75;
  overflow-x: hidden;
}

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

ul {
  list-style: none;
}

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

.container {
  width: 90%;
  max-width: var(--container-w);
  margin: 0 auto;
}

/* ---------- Typography ---------- */
h1,
h2,
h3,
h4 {
  font-family: var(--font-heading);
  line-height: 1.15;
}

h1 {
  font-size: clamp(2.8rem, 6vw, 5rem);
  font-weight: 800;
  letter-spacing: -0.03em;
}

h2 {
  font-size: clamp(2rem, 4vw, 3.2rem);
  font-weight: 700;
  letter-spacing: -0.02em;
}

h3 {
  font-size: 1.45rem;
  font-weight: 600;
}

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

.section-tag {
  font-size: 0.95rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.15em;
  color: var(--accent-blue);
  margin-bottom: 12px;
}

.section-title {
  margin-bottom: 60px;
}

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-body);
  font-weight: 600;
  font-size: 1.05rem;
  border: none;
  cursor: pointer;
  border-radius: 50px;
  padding: 16px 36px;
  transition: all 0.35s cubic-bezier(0.4, 0, 0.2, 1);
  white-space: nowrap;
}

.btn-primary {
  background: var(--gradient);
  color: #fff;
  box-shadow: 0 4px 25px var(--glow-blue), 0 2px 10px var(--glow-purple);
}

.btn-primary:hover {
  background: var(--gradient-hover);
  transform: translateY(-2px);
  box-shadow: 0 8px 35px var(--glow-blue), 0 4px 15px var(--glow-purple);
}

.btn-outline {
  background: transparent;
  color: var(--text-primary);
  border: 1.5px solid var(--border-subtle);
}

.btn-outline:hover {
  border-color: var(--accent-blue);
  color: var(--accent-blue);
  transform: translateY(-2px);
}

.btn-nav {
  background: var(--gradient);
  color: #fff;
  padding: 12px 26px;
  font-size: 0.95rem;
  box-shadow: 0 2px 15px var(--glow-blue);
}

.btn-nav:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 25px var(--glow-blue);
}

/* ---------- Reveal Animation ---------- */
.reveal {
  opacity: 0;
  transform: translateY(40px);
  transition: opacity 0.7s cubic-bezier(0.4, 0, 0.2, 1), transform 0.7s cubic-bezier(0.4, 0, 0.2, 1);
}

.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}

/* ===================================================
   NAVBAR
   =================================================== */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 1000;
  padding: 18px 0;
  transition: background 0.35s, padding 0.35s, box-shadow 0.35s;
}

.navbar.scrolled {
  background: var(--bg-nav);
  backdrop-filter: blur(18px);
  -webkit-backdrop-filter: blur(18px);
  padding: 12px 0;
  box-shadow: 0 1px 30px rgba(0, 0, 0, 0.3);
}

.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.logo {
  font-family: var(--font-heading);
  font-size: 1.45rem;
  font-weight: 700;
  letter-spacing: -0.02em;
}

.logo span {
  background: var(--gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.nav-links {
  display: flex;
  gap: 36px;
}

.nav-links a {
  font-size: 1rem;
  font-weight: 500;
  color: var(--text-secondary);
  transition: color 0.25s;
  position: relative;
}

.nav-links a::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--gradient);
  transition: width 0.3s;
}

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

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

.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 6px;
  z-index: 1001;
}

.hamburger span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--text-primary);
  border-radius: 2px;
  transition: transform 0.3s, opacity 0.3s;
}

.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;
  justify-content: center;
  text-align: center;
  padding: 140px 0 80px;
  overflow: hidden;
}

/* Animated Background Mesh */
.hero-bg-mesh {
  position: absolute;
  inset: 0;
  z-index: 0;
  background:
    radial-gradient(ellipse 60% 50% at 20% 40%, var(--glow-blue) 0%, transparent 70%),
    radial-gradient(ellipse 50% 55% at 80% 60%, var(--glow-purple) 0%, transparent 70%),
    radial-gradient(ellipse 40% 35% at 50% 20%, rgba(0, 212, 255, 0.08) 0%, transparent 60%);
  animation: meshFloat 12s ease-in-out infinite alternate;
}

@keyframes meshFloat {
  0% {
    transform: scale(1) translate(0, 0);
  }

  50% {
    transform: scale(1.05) translate(-15px, 10px);
  }

  100% {
    transform: scale(1) translate(10px, -5px);
  }
}

.hero-content {
  position: relative;
  z-index: 1;
}

.hero-tag {
  font-size: 0.95rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.2em;
  color: var(--accent-blue);
  margin-bottom: 20px;
}

.hero h1 {
  margin-bottom: 24px;
}

.hero-sub {
  font-size: clamp(1.1rem, 2vw, 1.35rem);
  color: var(--text-secondary);
  max-width: 680px;
  margin: 0 auto 40px;
  line-height: 1.8;
}

.hero-ctas {
  display: flex;
  gap: 16px;
  justify-content: center;
  flex-wrap: wrap;
  margin-bottom: 60px;
}

/* Stats Bar */
.hero-stats {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 32px;
  flex-wrap: wrap;
}

.stat {
  text-align: center;
}

.stat-num {
  display: block;
  font-family: var(--font-heading);
  font-size: 2rem;
  font-weight: 700;
  background: var(--gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.stat-label {
  font-size: 0.9rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.stat-divider {
  width: 1px;
  height: 36px;
  background: var(--border-subtle);
}

/* Scroll Hint */
.hero-scroll-hint {
  position: absolute;
  bottom: 30px;
  left: 50%;
  transform: translateX(-50%);
}

.hero-scroll-hint span {
  display: block;
  width: 24px;
  height: 40px;
  border: 2px solid var(--border-subtle);
  border-radius: 20px;
  position: relative;
}

.hero-scroll-hint span::after {
  content: '';
  width: 4px;
  height: 8px;
  background: var(--accent-blue);
  border-radius: 3px;
  position: absolute;
  top: 8px;
  left: 50%;
  transform: translateX(-50%);
  animation: scrollPulse 1.8s ease-in-out infinite;
}

@keyframes scrollPulse {

  0%,
  100% {
    opacity: 1;
    transform: translateX(-50%) translateY(0);
  }

  50% {
    opacity: 0.3;
    transform: translateX(-50%) translateY(12px);
  }
}

/* ===================================================
   PROBLEM / SOLUTION
   =================================================== */
.section {
  padding: var(--section-pad);
}

.section-problem {
  background:
    radial-gradient(ellipse 50% 40% at 10% 80%, rgba(123, 47, 255, 0.06) 0%, transparent 70%),
    var(--bg-deep);
}

.problem-solution-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 32px;
}

.ps-card {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius);
  padding: 48px 40px;
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  transition: transform 0.35s, box-shadow 0.35s;
}

.ps-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 12px 40px rgba(0, 0, 0, 0.3);
}

.ps-icon {
  font-size: 2.2rem;
  display: block;
  margin-bottom: 20px;
}

.ps-card h2 {
  font-size: clamp(1.65rem, 3vw, 2.2rem);
  margin-bottom: 28px;
}

.ps-list {
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.ps-list li {
  font-size: 1.05rem;
  color: var(--text-secondary);
  display: flex;
  align-items: flex-start;
  gap: 12px;
  line-height: 1.6;
}

.ps-x {
  color: #ff4d6a;
  font-weight: 700;
  font-size: 1.1rem;
  flex-shrink: 0;
  margin-top: 3px;
}

.ps-check {
  color: #00e68a;
  font-weight: 700;
  font-size: 1.1rem;
  flex-shrink: 0;
  margin-top: 3px;
}

.ps-solution {
  border-color: rgba(0, 212, 255, 0.15);
  background: rgba(0, 212, 255, 0.03);
}

/* ===================================================
   SERVICES GRID
   =================================================== */
.section-services {
  background:
    radial-gradient(ellipse 45% 40% at 90% 20%, rgba(0, 212, 255, 0.05) 0%, transparent 70%),
    var(--bg-deep);
}

.services-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.service-card {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius);
  padding: 40px 32px;
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  transition: transform 0.35s, box-shadow 0.35s, border-color 0.35s;
  display: flex;
  flex-direction: column;
}

.service-card:hover {
  transform: translateY(-6px);
  box-shadow: 0 16px 50px rgba(0, 0, 0, 0.3);
  border-color: rgba(0, 212, 255, 0.2);
}

.service-icon {
  width: 52px;
  height: 52px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--gradient);
  border-radius: 14px;
  margin-bottom: 24px;
  color: #fff;
}

.service-icon svg {
  width: 28px;
  height: 28px;
}

.service-card h3 {
  margin-bottom: 12px;
  color: var(--text-primary);
}

.service-card p {
  font-size: 1.05rem;
  color: var(--text-secondary);
  line-height: 1.75;
  flex-grow: 1;
  margin-bottom: 20px;
}

.service-link {
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--accent-blue);
  transition: gap 0.3s, color 0.3s;
  display: inline-flex;
  align-items: center;
  gap: 4px;
}

.service-link:hover {
  color: var(--text-primary);
  gap: 8px;
}

/* ===================================================
   PROCESS
   =================================================== */
.section-process {
  background:
    radial-gradient(ellipse 55% 45% at 50% 80%, rgba(123, 47, 255, 0.06) 0%, transparent 70%),
    var(--bg-deep);
}

.process-timeline {
  display: flex;
  align-items: stretch;
  gap: 0;
}

.process-step {
  flex: 1;
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius);
  padding: 48px 36px;
  text-align: center;
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  transition: transform 0.35s, box-shadow 0.35s;
}

.process-step:hover {
  transform: translateY(-4px);
  box-shadow: 0 12px 40px rgba(0, 0, 0, 0.3);
}

.step-number {
  font-family: var(--font-heading);
  font-size: 3rem;
  font-weight: 800;
  background: var(--gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  margin-bottom: 16px;
}

.process-step h3 {
  margin-bottom: 14px;
  font-size: 1.35rem;
}

.process-step p {
  font-size: 1.05rem;
  color: var(--text-secondary);
  line-height: 1.75;
}

.process-connector {
  width: 60px;
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
}

.process-connector::after {
  content: '';
  width: 100%;
  height: 2px;
  background: var(--gradient);
  display: block;
}

/* ===================================================
   CTA BANNER
   =================================================== */
.section-cta {
  position: relative;
  text-align: center;
  padding: 140px 0;
  overflow: hidden;
}

.cta-glow {
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse 50% 60% at 50% 50%, var(--glow-blue) 0%, transparent 70%),
    radial-gradient(ellipse 40% 50% at 30% 40%, var(--glow-purple) 0%, transparent 70%);
  opacity: 0.5;
  animation: meshFloat 10s ease-in-out infinite alternate;
}

.cta-content {
  position: relative;
  z-index: 1;
}

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

.cta-content>p {
  font-size: 1.15rem;
  color: var(--text-secondary);
  max-width: 560px;
  margin: 0 auto 36px;
  line-height: 1.75;
}



.cta-note {
  font-size: 0.9rem;
  color: var(--text-muted);
}

/* ===================================================
   FOOTER
   =================================================== */
.footer {
  border-top: 1px solid var(--border-subtle);
  padding: 60px 0 30px;
}

.footer-inner {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr;
  gap: 40px;
  margin-bottom: 40px;
}

.footer-brand p {
  margin-top: 12px;
  font-size: 1rem;
  color: var(--text-muted);
  line-height: 1.7;
}

.footer-links h4 {
  font-family: var(--font-heading);
  font-size: 1rem;
  font-weight: 600;
  margin-bottom: 16px;
  color: var(--text-primary);
}

.footer-links ul {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.footer-links a {
  font-size: 1rem;
  color: var(--text-secondary);
  transition: color 0.25s;
}

.footer-links a:hover {
  color: var(--accent-blue);
}

.footer-bottom {
  border-top: 1px solid var(--border-subtle);
  padding-top: 24px;
  text-align: center;
}

.footer-bottom p {
  font-size: 0.9rem;
  color: var(--text-muted);
}

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

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

@media (max-width: 768px) {
  :root {
    --section-pad: 80px 0;
  }

  .btn-nav {
    display: none;
  }

  .hamburger {
    display: flex;
  }

  .nav-links {
    position: fixed;
    top: 0;
    right: -100%;
    width: 70%;
    max-width: 320px;
    height: 100vh;
    background: rgba(10, 14, 26, 0.97);
    backdrop-filter: blur(24px);
    -webkit-backdrop-filter: blur(24px);
    flex-direction: column;
    gap: 0;
    padding: 100px 36px 40px;
    transition: right 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    border-left: 1px solid var(--border-subtle);
  }

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

  .nav-links a {
    font-size: 1.1rem;
    padding: 16px 0;
    border-bottom: 1px solid var(--border-subtle);
  }

  .nav-links a::after {
    display: none;
  }

  .hide-mobile {
    display: none;
  }

  .problem-solution-grid {
    grid-template-columns: 1fr;
  }

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

  .process-timeline {
    flex-direction: column;
    gap: 0;
  }

  .process-connector {
    width: 2px;
    height: 40px;
    margin: 0 auto;
  }

  .process-connector::after {
    width: 2px;
    height: 100%;
  }

  .footer-inner {
    grid-template-columns: 1fr;
    gap: 32px;
  }

  .hero-stats {
    gap: 20px;
  }

  .stat-divider {
    display: none;
  }

  .hero {
    padding: 120px 0 60px;
  }
}

@media (max-width: 480px) {
  h1 {
    font-size: 2.4rem;
  }

  body {
    font-size: 1rem;
  }

  .ps-card {
    padding: 32px 24px;
  }

  .service-card {
    padding: 32px 24px;
  }

  .process-step {
    padding: 36px 24px;
  }

  .cal-embed-wrapper {
    height: 480px;
  }
}