/* ===== DESIGN TOKENS ===== */
:root {
  --bg: #f5f7fa;
  --surface: #ffffff;
  --text: #1f2937;
  --muted: #6b7280;
  --line: #dbe3ed;
  --accent: #2563eb;
  --accent-dark: #1d4ed8;
  --accent-soft: #dbeafe;
  --section-alt: #f0f5ff;
  --radius-card: 1rem;
  --radius-btn: 999px;
  --shadow-card: 0 4px 16px rgba(15, 23, 42, 0.07);
  --shadow-card-hover: 0 8px 28px rgba(15, 23, 42, 0.13);
  --transition: 160ms ease;
}

/* ===== RESET ===== */
*, *::before, *::after { box-sizing: border-box; }

html {
  scroll-behavior: smooth;
  scroll-padding-top: 4.5rem;
}

body {
  margin: 0;
  padding: 0;
  font-family: "Segoe UI", Tahoma, Geneva, Verdana, sans-serif;
  color: var(--text);
  background: var(--bg);
  line-height: 1.6;
}

img { max-width: 100%; display: block; }
h1, h2, h3 { line-height: 1.15; }

/* ===== LAYOUT ===== */
.container {
  max-width: 72rem;
  margin: 0 auto;
  padding: 0 1.5rem;
}

.section { padding: 5rem 0; }

/* ===== HEADER / NAV ===== */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(255, 255, 255, 0.88);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--line);
}

.header-inner {
  max-width: 72rem;
  margin: 0 auto;
  padding: 0 1.5rem;
  height: 4rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
}

.logo-wrap {
  display: inline-flex;
  align-items: center;
  gap: 0.65rem;
  text-decoration: none;
  color: var(--text);
  flex-shrink: 0;
}

.logo-mark {
  width: 2.25rem;
  height: 2.25rem;
  border-radius: 0.65rem;
  background: linear-gradient(135deg, #1d4ed8, #3b82f6);
  color: #fff;
  display: grid;
  place-items: center;
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.03em;
}

.brand-title {
  margin: 0;
  font-size: clamp(1rem, 2vw, 1.15rem);
  font-weight: 700;
  letter-spacing: 0.01em;
}

.primary-nav {
  display: flex;
  align-items: center;
  gap: 0.25rem;
}

.primary-nav a {
  color: var(--text);
  text-decoration: none;
  font-size: 0.92rem;
  font-weight: 500;
  padding: 0.4rem 0.8rem;
  border-radius: var(--radius-btn);
  transition: background var(--transition), color var(--transition);
}

.primary-nav a:hover,
.primary-nav a:focus-visible,
.primary-nav a.is-active {
  background: var(--accent-soft);
  color: var(--accent);
}

.primary-nav .nav-cta {
  background: var(--accent);
  color: #fff;
  margin-left: 0.5rem;
}

.primary-nav .nav-cta:hover,
.primary-nav .nav-cta:focus-visible {
  background: var(--accent-dark);
  color: #fff;
}

.nav-toggle {
  display: none;
  background: none;
  border: 1px solid var(--line);
  border-radius: 0.5rem;
  padding: 0.45rem 0.6rem;
  cursor: pointer;
  flex-direction: column;
  gap: 4px;
}

.hamburger,
.hamburger::before,
.hamburger::after {
  display: block;
  width: 18px;
  height: 2px;
  background: var(--text);
  border-radius: 2px;
}

.hamburger { position: relative; }
.hamburger::before, .hamburger::after { content: ""; position: absolute; left: 0; }
.hamburger::before { top: -5px; }
.hamburger::after  { top:  5px; }

/* ===== BUTTONS ===== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.75rem 1.6rem;
  border-radius: var(--radius-btn);
  font-size: 0.97rem;
  font-weight: 600;
  text-decoration: none;
  transition: transform var(--transition), box-shadow var(--transition), background var(--transition);
  cursor: pointer;
  border: none;
}

.btn-primary {
  background: var(--accent);
  color: #fff;
  box-shadow: 0 4px 14px rgba(37, 99, 235, 0.3);
}

.btn-primary:hover, .btn-primary:focus-visible {
  background: var(--accent-dark);
  transform: translateY(-1px);
  box-shadow: 0 6px 20px rgba(37, 99, 235, 0.38);
}

.btn-ghost {
  background: transparent;
  color: var(--accent);
  border: 1.5px solid var(--accent);
}

.btn-ghost:hover, .btn-ghost:focus-visible {
  background: var(--accent-soft);
  transform: translateY(-1px);
}

.btn-full { width: 100%; }

/* ===== SECTION TYPOGRAPHY ===== */
.section-eyebrow {
  margin: 0 0 0.4rem;
  color: var(--accent);
  font-size: 0.82rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.section-title {
  margin: 0 0 0.75rem;
  font-size: clamp(1.7rem, 3.5vw, 2.5rem);
}

.section-subtitle {
  margin: 0 auto 2.5rem;
  max-width: 36rem;
  color: var(--muted);
  font-size: clamp(0.95rem, 1.8vw, 1.05rem);
}

/* ===== HERO ===== */
.hero {
  position: relative;
  overflow: hidden;
  padding: 6rem 1.5rem 5rem;
  text-align: center;
  background:
    radial-gradient(circle at 15% 20%, #e7efff 0%, transparent 45%),
    radial-gradient(circle at 85% 75%, #edf4ff 0%, transparent 40%),
    var(--bg);
}

/* Cloud layer sits behind all hero text */
.cloud-layer {
  position: absolute;
  inset: 0;
  pointer-events: none;
  color: #4a8fd4;
}

.cloud {
  position: absolute;
}

/* Top-left: large, partially off-screen */
.c-tl {
  width: clamp(180px, 24vw, 340px);
  top: -18px;
  left: -55px;
  opacity: 0.65;
  animation: cloud-float 9s ease-in-out infinite;
}

/* Top-right: medium */
.c-tr {
  width: clamp(140px, 18vw, 250px);
  top: 5px;
  right: -45px;
  opacity: 0.55;
  animation: cloud-float 11s ease-in-out infinite 2.5s;
}

/* Bottom-left: small */
.c-bl {
  width: clamp(110px, 13vw, 190px);
  bottom: 30px;
  left: 20px;
  opacity: 0.38;
  animation: cloud-float 13s ease-in-out infinite 1s;
}

/* Bottom-right: medium */
.c-br {
  width: clamp(130px, 16vw, 220px);
  bottom: 15px;
  right: 15px;
  opacity: 0.42;
  animation: cloud-float 10s ease-in-out infinite 3.5s;
}

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

.hero-inner {
  position: relative;
  z-index: 1; /* always above clouds */
  max-width: 50rem;
  margin: 0 auto;
  display: grid;
  gap: 1.1rem;
  justify-items: center;
}

.hero-studio {
  margin: 0;
  color: var(--accent);
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.22em;
  text-transform: uppercase;
}

.hero-wordmark {
  margin: 0;
  font-family: 'Nunito', 'Segoe UI Black', 'Arial Black', sans-serif;
  font-weight: 900;
  font-size: clamp(3.5rem, 12vw, 8rem);
  letter-spacing: -0.04em;
  line-height: 0.95;
  color: var(--text);
}

.hero-wordmark .tm {
  font-size: 0.28em;
  vertical-align: super;
  font-weight: 700;
  letter-spacing: 0;
}

.hero-sub {
  margin: 0;
  font-size: clamp(1rem, 2vw, 1.15rem);
  color: var(--muted);
  max-width: 34rem;
  line-height: 1.6;
}

.hero-tagline {
  margin: 0;
  font-size: clamp(0.78rem, 1.3vw, 0.9rem);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--text);
  border: 1.5px solid var(--line);
  border-radius: var(--radius-btn);
  padding: 0.55rem 1.3rem;
  background: var(--surface);
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 0.75rem;
  margin-top: 0.4rem;
}

/* ===== SERVICES ===== */
.services { background: var(--section-alt); }

.services-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(14rem, 1fr));
  gap: 1.25rem;
}

.service-card {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius-card);
  padding: 1.75rem 1.5rem;
  box-shadow: var(--shadow-card);
  transition: transform var(--transition), box-shadow var(--transition);
}

.service-card:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-card-hover);
}

.service-icon {
  width: 3rem;
  height: 3rem;
  border-radius: 0.75rem;
  background: var(--accent-soft);
  color: var(--accent);
  display: grid;
  place-items: center;
  margin-bottom: 1rem;
}

.service-icon svg { width: 1.5rem; height: 1.5rem; }
.service-card h3 { margin: 0 0 0.5rem; font-size: 1.05rem; }
.service-card p  { margin: 0; color: var(--muted); font-size: 0.92rem; }

/* ===== PORTFOLIO ===== */
.portfolio .section-eyebrow,
.portfolio .section-title,
.portfolio .section-subtitle { text-align: center; }

.portfolio-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(18rem, 1fr));
  gap: 1.5rem;
}

.portfolio-card {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius-card);
  overflow: hidden;
  box-shadow: var(--shadow-card);
  transition: transform var(--transition), box-shadow var(--transition);
  display: flex;
  flex-direction: column;
}

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

.portfolio-img-wrap {
  aspect-ratio: 16 / 10;
  background: linear-gradient(135deg, #dbeafe 0%, #eff6ff 100%);
  overflow: hidden;
  position: relative;
}

.portfolio-img-wrap img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 300ms ease;
}

.portfolio-card:hover .portfolio-img-wrap img { transform: scale(1.03); }

.portfolio-img-wrap.img-placeholder::after {
  content: "Screenshot coming soon";
  position: absolute;
  inset: 0;
  display: grid;
  place-items: center;
  color: var(--accent);
  font-size: 0.85rem;
  font-weight: 600;
}

.portfolio-card-body {
  padding: 1.25rem 1.25rem 1.5rem;
  flex: 1;
  display: grid;
  align-content: start;
  gap: 0.4rem;
}

.portfolio-tag {
  display: inline-block;
  background: var(--accent-soft);
  color: var(--accent);
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.07em;
  text-transform: uppercase;
  padding: 0.2rem 0.55rem;
  border-radius: 999px;
  width: fit-content;
}

.portfolio-card-body h3 { margin: 0; font-size: 1.05rem; }
.portfolio-card-body p  { margin: 0; color: var(--muted); font-size: 0.9rem; }

/* ===== ABOUT ===== */
.about { background: var(--section-alt); }

.about-inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3.5rem;
  align-items: start;
}

.about-text {
  display: grid;
  gap: 1rem;
  align-content: start;
}

.about-text p { margin: 0; color: #374151; font-size: 1rem; }

.about-values {
  list-style: none;
  margin: 0.5rem 0 0;
  padding: 0;
  display: grid;
  gap: 0.6rem;
}

.about-values li {
  display: flex;
  align-items: flex-start;
  gap: 0.6rem;
  font-size: 0.95rem;
}

.value-icon {
  flex-shrink: 0;
  width: 1.2rem;
  height: 1.2rem;
  border-radius: 50%;
  background: var(--accent-soft);
  color: var(--accent);
  display: grid;
  place-items: center;
  font-size: 0.7rem;
  font-weight: 700;
  margin-top: 0.15rem;
}

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

.team-card {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius-card);
  padding: 1.5rem 1rem;
  text-align: center;
  box-shadow: var(--shadow-card);
}

.team-avatar {
  width: 4rem;
  height: 4rem;
  border-radius: 50%;
  background: linear-gradient(135deg, #1d4ed8, #60a5fa);
  color: #fff;
  font-size: 1.4rem;
  font-weight: 700;
  display: grid;
  place-items: center;
  margin: 0 auto 0.75rem;
}

.team-card h3 { margin: 0 0 0.2rem; font-size: 1rem; }
.team-card p  { margin: 0; color: var(--muted); font-size: 0.85rem; }

/* ===== CONTACT ===== */
.contact-inner { max-width: 42rem; }

.contact-form {
  display: grid;
  gap: 1.1rem;
  margin-top: 2rem;
}

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

.form-group { display: grid; gap: 0.35rem; }

.form-group label { font-size: 0.88rem; font-weight: 600; color: var(--text); }

.form-group input,
.form-group textarea {
  width: 100%;
  padding: 0.65rem 0.85rem;
  border: 1.5px solid var(--line);
  border-radius: 0.6rem;
  font-size: 0.95rem;
  font-family: inherit;
  color: var(--text);
  background: var(--surface);
  transition: border-color var(--transition), box-shadow var(--transition);
  resize: vertical;
}

.form-group input:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1);
}

.form-group input::placeholder,
.form-group textarea::placeholder { color: #9ca3af; }

/* ===== FOOTER ===== */
.site-footer {
  background: var(--surface);
  border-top: 1px solid var(--line);
  padding: 2.5rem 1.5rem 2rem;
}

.footer-inner {
  max-width: 72rem;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1.25rem;
}

.social-nav, .legal-nav {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 0.6rem;
}

.social-nav a,
.legal-nav a,
.back-home {
  color: var(--text);
  text-decoration: none;
  border: 1px solid var(--line);
  background: var(--surface);
  border-radius: 999px;
  padding: 0.4rem 0.75rem;
  font-size: 0.88rem;
  transition: transform var(--transition), border-color var(--transition), box-shadow var(--transition);
}

.social-nav a {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
}

.social-icon {
  width: 1.3rem;
  height: 1.3rem;
  border-radius: 999px;
  background: var(--accent-soft);
  color: var(--accent);
  display: grid;
  place-items: center;
}

.social-icon svg { width: 0.8rem; height: 0.8rem; fill: currentColor; }

.social-nav a:hover, .legal-nav a:hover, .back-home:hover,
.social-nav a:focus-visible, .legal-nav a:focus-visible, .back-home:focus-visible {
  border-color: #b6c8e0;
  box-shadow: 0 0 0 0.2rem rgba(37, 99, 235, 0.1);
  transform: translateY(-1px);
}

.footer-copy { margin: 0; font-size: 0.82rem; color: var(--muted); }

/* ===== CHATBOT ===== */
.chatbot-toggle {
  position: fixed;
  right: 1.25rem;
  bottom: 1.25rem;
  border: 0;
  border-radius: 999px;
  background: var(--accent);
  color: #fff;
  font-weight: 600;
  padding: 0.7rem 1.1rem;
  cursor: pointer;
  box-shadow: 0 10px 20px rgba(37, 99, 235, 0.22);
  z-index: 200;
  transition: background var(--transition), transform var(--transition);
}

.chatbot-toggle:hover { background: var(--accent-dark); transform: translateY(-1px); }

.chatbot-popup {
  position: fixed;
  right: 1.25rem;
  bottom: 4.5rem;
  width: min(21rem, calc(100vw - 2.5rem));
  border: 1px solid var(--line);
  border-radius: 0.9rem;
  background: var(--surface);
  box-shadow: 0 15px 35px rgba(15, 23, 42, 0.18);
  overflow: hidden;
  display: none;
  z-index: 200;
}

.chatbot-popup.is-open { display: block; }
.chatbot-header { background: #eff6ff; color: #1e3a8a; padding: 0.7rem 0.9rem; font-weight: 600; border-bottom: 1px solid #dbeafe; }
.chatbot-body { padding: 0.9rem; color: var(--muted); font-size: 0.9rem; }

/* ===== LEGAL PAGES ===== */
.legal-page {
  min-height: 100vh;
  max-width: 44rem;
  margin: 0 auto;
  padding: 2rem 1.25rem;
  display: grid;
  gap: 1rem;
  align-content: start;
}

.legal-page h1 { margin: 0; font-size: clamp(1.7rem, 4vw, 2.4rem); }
.legal-page p  { margin: 0; line-height: 1.6; color: #334155; }

/* ===== RESPONSIVE ===== */
@media (max-width: 768px) {
  .about-inner { grid-template-columns: 1fr; gap: 2rem; }
  .form-row { grid-template-columns: 1fr; }
}

@media (max-width: 640px) {
  .primary-nav {
    display: none;
    position: absolute;
    top: 4rem;
    left: 0;
    right: 0;
    flex-direction: column;
    background: var(--surface);
    border-bottom: 1px solid var(--line);
    padding: 1rem 1.25rem;
    gap: 0.25rem;
    box-shadow: 0 8px 20px rgba(15, 23, 42, 0.08);
  }

  .primary-nav.is-open { display: flex; }
  .primary-nav a { padding: 0.65rem 0.8rem; }
  .primary-nav .nav-cta { margin-left: 0; text-align: center; }
  .nav-toggle { display: flex; }

  .hero { padding: 4rem 1.25rem 3.5rem; }
  .section { padding: 3.5rem 0; }
  .services-grid { grid-template-columns: 1fr; }
  .portfolio-grid { grid-template-columns: 1fr; }
  .team-grid { grid-template-columns: 1fr 1fr; }
}