/* ========== DESIGN TOKENS ========== */
:root {
  --primary: #000000;
  --secondary: #1A1A2E;
  --accent: #00AFF0;
  --accent-hover: #0095cc;
  --text: #1A1A1A;
  --text-muted: #6B7280;
  --bg: #F5F5F5;
  --surface: #FFFFFF;
  --font-heading: 'Squada One', sans-serif;
  --font-body: 'Inter', sans-serif;
  --radius: 8px;
  --radius-lg: 12px;
  --shadow: 0 2px 8px rgba(0,0,0,0.08);
  --shadow-lg: 0 8px 32px rgba(0,0,0,0.12);
  --transition: all 0.25s ease;
  --max-width: 1200px;
  --section-padding: 96px 24px;
}

/* ========== RESET ========== */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: var(--font-body);
  color: var(--text);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
  line-height: 1.6;
}
img { max-width: 100%; display: block; }
a { text-decoration: none; color: inherit; }
ul { list-style: none; }

/* ========== UTILITIES ========== */
.container { max-width: var(--max-width); margin: 0 auto; padding: 0 24px; }
.section-label {
  font-family: var(--font-body);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 3px;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 12px;
}
.section-heading {
  font-family: var(--font-heading);
  font-size: 42px;
  font-weight: 400;
  line-height: 1.15;
  color: var(--primary);
  margin-bottom: 16px;
}
.section-subheading {
  font-size: 17px;
  color: var(--text-muted);
  max-width: 640px;
  line-height: 1.7;
}
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 32px;
  font-family: var(--font-body);
  font-size: 15px;
  font-weight: 600;
  border-radius: 50px;
  border: 2px solid transparent;
  cursor: pointer;
  transition: var(--transition);
  text-decoration: none;
}
.btn-primary { background: #fff; color: var(--secondary); border-color: #fff; font-weight: 700; }
.btn-primary:hover { background: var(--accent); color: #fff; border-color: var(--accent); transform: translateY(-1px); box-shadow: 0 4px 16px rgba(0,175,240,0.3); }
.btn-secondary { background: transparent; color: var(--accent); border-color: var(--accent); }
.btn-secondary:hover { background: var(--accent); color: #fff; transform: translateY(-1px); }
.btn:focus-visible { outline: 3px solid var(--accent); outline-offset: 2px; }

/* ========== ANIMATIONS ========== */
.fade-in { opacity: 0; transform: translateY(24px); transition: opacity 0.6s ease, transform 0.6s ease; }
.fade-in.visible { opacity: 1; transform: translateY(0); }

/* ========== NAV ========== */
.nav {
  position: fixed; top: 0; left: 0; right: 0; z-index: 100;
  background: rgba(255,255,255,0.92); backdrop-filter: blur(12px);
  border-bottom: 1px solid rgba(0,0,0,0.06); padding: 0 24px;
}
.nav-inner { max-width: var(--max-width); margin: 0 auto; display: flex; align-items: center; justify-content: space-between; height: 96px; }
.nav-logo { height: 80px; }
.nav-links { display: flex; gap: 32px; align-items: center; }
.nav-links a { font-size: 14px; font-weight: 500; color: var(--text-muted); transition: color 0.2s; }
.nav-links a:hover { color: var(--accent); }
.nav-cta { margin-left: 8px; }
.nav-toggle { display: none; background: none; border: none; cursor: pointer; padding: 8px; }
.nav-toggle span { display: block; width: 24px; height: 2px; background: var(--text); margin: 6px 0; transition: var(--transition); }

/* ========== HERO ========== */
.hero {
  padding: 180px 24px 120px;
  background: url('../img/sky.jpg') center center / cover no-repeat;
  background: image-set(url('../img/sky.webp') type('image/webp'), url('../img/sky.jpg') type('image/jpeg')) center center / cover no-repeat;
  color: #fff; position: relative; overflow: hidden;
}
.hero::before {
  content: ''; position: absolute; inset: 0;
  background: linear-gradient(135deg, rgba(26,26,46,0.7) 0%, rgba(0,0,0,0.4) 100%);
  z-index: 0;
}

/* Cloud animations */
.cloud-layer { position: absolute; top: 0; left: 0; right: 0; bottom: 0; z-index: 0; overflow: hidden; pointer-events: none; }
.cloud-layer img { position: absolute; width: 100%; top: 10%; left: 0; opacity: 0.4; }
@keyframes animCloud { from { transform: translateX(100%); } to { transform: translateX(-100%); } }
#cloud1 { animation: animCloud 25s infinite linear; }
#cloud2 { animation: animCloud 35s infinite linear; }
#cloud3 { animation: animCloud 45s infinite linear; }
#cloud4 { animation: animCloud 55s infinite linear; }
.hero-inner { max-width: var(--max-width); margin: 0 auto; position: relative; z-index: 1; }
.hero-label { font-size: 13px; font-weight: 600; letter-spacing: 2px; text-transform: uppercase; color: var(--accent); margin-bottom: 16px; }
.hero h1 { font-family: var(--font-heading); font-size: 56px; font-weight: 400; line-height: 1.1; margin-bottom: 20px; }
.hero h1 span { color: var(--accent); }
.hero-sub { font-size: 18px; color: rgba(255,255,255,0.7); line-height: 1.7; margin-bottom: 36px; max-width: 520px; }
.hero-ctas { display: flex; gap: 16px; flex-wrap: wrap; }
.hero-sub { max-width: 600px; }

/* ========== SOCIAL PROOF ========== */
.social-proof { padding: 48px 24px; background: var(--surface); border-bottom: 1px solid rgba(0,0,0,0.06); }
.social-proof-inner { max-width: var(--max-width); margin: 0 auto; }
.stats-strip { display: grid; grid-template-columns: repeat(4, 1fr); gap: 32px; text-align: center; }
.stat-item {}
.stat-value { font-family: var(--font-heading); font-size: 36px; color: var(--accent); line-height: 1; margin-bottom: 6px; }
.stat-label { font-size: 13px; color: var(--text-muted); font-weight: 500; }

/* ========== FEATURES ========== */
.features { padding: var(--section-padding); }
.features-header { text-align: center; margin-bottom: 56px; }
.features-header .section-subheading { margin: 0 auto; }
.features-grid { max-width: var(--max-width); margin: 0 auto; display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.feature-card {
  background: var(--surface); border-radius: var(--radius-lg); padding: 32px;
  box-shadow: var(--shadow); transition: var(--transition);
}
.feature-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-lg); }
.feature-icon {
  width: 48px; height: 48px; background: rgba(0,175,240,0.1); border-radius: var(--radius);
  display: flex; align-items: center; justify-content: center; margin-bottom: 20px;
  font-size: 24px; color: var(--accent);
}
.feature-icon svg.icon { width: 24px; height: 24px; }
.feature-card h3 { font-family: var(--font-heading); font-size: 20px; font-weight: 400; margin-bottom: 8px; color: var(--primary); }
.feature-card p { font-size: 14px; color: var(--text-muted); line-height: 1.7; }

/* ========== HOW IT WORKS ========== */
.how-it-works { padding: var(--section-padding); background: var(--surface); }
.how-header { text-align: center; margin-bottom: 56px; }
.how-header .section-subheading { margin: 0 auto; }
.steps { max-width: var(--max-width); margin: 0 auto; display: grid; grid-template-columns: repeat(4, 1fr); gap: 32px; }
.step { text-align: center; padding: 24px; }
.step-number {
  width: 64px; height: 64px; background: var(--accent); color: #fff;
  border-radius: 50%; display: flex; align-items: center; justify-content: center;
  font-family: var(--font-heading); font-size: 28px; margin: 0 auto 20px;
}
.step h3 { font-family: var(--font-heading); font-size: 22px; font-weight: 400; margin-bottom: 8px; }
.step p { font-size: 14px; color: var(--text-muted); line-height: 1.7; max-width: 280px; margin: 0 auto; }

/* ========== TESTIMONIALS ========== */
.testimonials { padding: var(--section-padding); }
.testimonials-header { text-align: center; margin-bottom: 56px; }
.testimonials-header .section-subheading { margin: 0 auto; }
.testimonials-grid { max-width: var(--max-width); margin: 0 auto; display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.testimonial-card { background: var(--surface); border-radius: var(--radius-lg); padding: 32px; box-shadow: var(--shadow); }
.testimonial-card blockquote { font-size: 15px; line-height: 1.7; color: var(--text); margin-bottom: 20px; font-style: italic; }
.testimonial-author { display: flex; align-items: center; gap: 12px; }
.author-avatar { width: 44px; height: 44px; border-radius: 50%; background: var(--accent); color: #fff; display: flex; align-items: center; justify-content: center; font-weight: 700; font-size: 16px; }
.author-info strong { display: block; font-size: 14px; font-weight: 600; }
.author-info span { font-size: 13px; color: var(--text-muted); }

/* ========== VALUE PROPOSITION ========== */
.value-prop { padding: var(--section-padding); background: var(--secondary); color: #fff; }
.value-header { text-align: center; margin-bottom: 56px; }
.value-header .section-heading { color: #fff; }
.value-header .section-subheading { color: rgba(255,255,255,0.6); margin: 0 auto; }
.values-grid { max-width: var(--max-width); margin: 0 auto; display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; }
.value-card {
  text-align: center; padding: 28px 20px;
  background: rgba(255,255,255,0.05); border-radius: var(--radius-lg);
  border: 1px solid rgba(255,255,255,0.08);
}
.value-icon { font-size: 32px; margin-bottom: 16px; color: rgba(255,255,255,0.9); }
.value-icon svg.icon { width: 32px; height: 32px; }
.value-card h3 { font-family: var(--font-heading); font-size: 20px; font-weight: 400; margin-bottom: 8px; }
.value-card p { font-size: 13px; color: rgba(255,255,255,0.6); line-height: 1.6; }

/* ========== CTA BLOCK ========== */
.cta-block { padding: var(--section-padding); text-align: center; }
.cta-block-inner { max-width: 720px; margin: 0 auto; }
.cta-block .section-heading { font-size: 48px; margin-bottom: 20px; }
.cta-block .section-subheading { margin: 0 auto 36px; }
.cta-buttons { display: flex; gap: 16px; justify-content: center; flex-wrap: wrap; }

/* ========== FAQ ========== */
.faq { padding: var(--section-padding); background: var(--surface); }
.faq-header { text-align: center; margin-bottom: 48px; }
.faq-header .section-subheading { margin: 0 auto; }
.faq-list { max-width: 720px; margin: 0 auto; }
.faq-item { border-bottom: 1px solid rgba(0,0,0,0.08); }
.faq-question {
  width: 100%; background: none; border: none; padding: 20px 0;
  font-family: var(--font-body); font-size: 16px; font-weight: 600; color: var(--text);
  text-align: left; cursor: pointer; display: flex; justify-content: space-between;
  align-items: center; transition: color 0.2s;
}
.faq-question:hover { color: var(--accent); }
.faq-question::after { content: '+'; font-size: 24px; font-weight: 300; color: var(--accent); transition: transform 0.3s; }
.faq-item.open .faq-question::after { transform: rotate(45deg); }
.faq-answer { max-height: 0; overflow: hidden; transition: max-height 0.3s ease, padding 0.3s ease; }
.faq-item.open .faq-answer { max-height: 200px; padding-bottom: 20px; }
.faq-answer p { font-size: 15px; color: var(--text-muted); line-height: 1.7; }

/* ========== FOOTER ========== */
.footer { padding: 64px 24px 32px; background: var(--secondary); color: rgba(255,255,255,0.7); }
.footer-inner { max-width: var(--max-width); margin: 0 auto; display: grid; grid-template-columns: 2fr 1fr 1fr 1fr; gap: 48px; }
.footer-brand img { height: 120px; margin-bottom: 16px; filter: brightness(0) invert(1); }
.footer-brand p { font-size: 14px; line-height: 1.7; max-width: 280px; }
.footer-col h4 { font-family: var(--font-heading); font-size: 16px; font-weight: 400; color: #fff; margin-bottom: 16px; }
.footer-col a { display: block; font-size: 14px; color: rgba(255,255,255,0.6); margin-bottom: 10px; transition: color 0.2s; }
.footer-col a:hover { color: var(--accent); }
.footer-bottom {
  max-width: var(--max-width); margin: 48px auto 0; padding-top: 24px;
  border-top: 1px solid rgba(255,255,255,0.08);
  display: flex; justify-content: space-between; align-items: center; font-size: 13px;
}
.social-links { display: flex; gap: 16px; }
.social-links a {
  width: 36px; height: 36px; border-radius: 50%; background: rgba(255,255,255,0.08);
  display: flex; align-items: center; justify-content: center; font-size: 16px; transition: background 0.2s;
}
.social-links a:hover { background: var(--accent); color: #fff; }

/* ========== ABOUT ========== */
.about { padding: var(--section-padding); background: var(--surface); }
.about-inner { max-width: var(--max-width); margin: 0 auto; display: grid; grid-template-columns: 1fr 1fr; gap: 64px; align-items: center; }
.about-text .section-heading { margin-bottom: 20px; }
.about-text p { font-size: 15px; color: var(--text-muted); line-height: 1.8; margin-bottom: 16px; }
.about-text p:last-child { margin-bottom: 0; }
.about-text em { color: var(--accent); font-style: normal; font-weight: 600; }
.about-highlights { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
.about-highlight {
  background: var(--bg); border-radius: var(--radius-lg); padding: 24px; text-align: center;
}
.about-highlight i, .about-highlight svg.icon { font-size: 28px; color: var(--accent); margin-bottom: 12px; display: block; margin-left: auto; margin-right: auto; width: 28px; height: 28px; }
.about-highlight h4 { font-family: var(--font-heading); font-size: 16px; font-weight: 400; margin-bottom: 4px; }
.about-highlight p { font-size: 12px; color: var(--text-muted); }

/* ========== CONTACT FORM ========== */
.contact-form { padding: var(--section-padding); }
.contact-inner { max-width: var(--max-width); margin: 0 auto; display: grid; grid-template-columns: 1fr 1fr; gap: 64px; align-items: start; }
.contact-info h3 { font-family: var(--font-heading); font-size: 28px; margin-bottom: 16px; }
.contact-info p { font-size: 15px; color: var(--text-muted); line-height: 1.7; margin-bottom: 28px; }
.contact-detail { display: flex; align-items: center; gap: 16px; margin-bottom: 20px; }
.contact-detail i, .contact-detail svg.icon { font-size: 20px; color: var(--accent); width: 20px; height: 20px; flex-shrink: 0; }
.contact-detail a, .contact-detail span { font-size: 15px; color: var(--text); }
.contact-detail a:hover { color: var(--accent); }
.contact-form-box { background: var(--surface); border-radius: var(--radius-lg); padding: 36px; box-shadow: var(--shadow-lg); }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; margin-bottom: 16px; }
.form-group { margin-bottom: 16px; }
.form-group label { display: block; font-size: 13px; font-weight: 600; color: var(--text); margin-bottom: 6px; }
.form-group input, .form-group textarea {
  width: 100%; padding: 12px 16px; border: 1px solid rgba(0,0,0,0.12); border-radius: var(--radius);
  font-family: var(--font-body); font-size: 14px; color: var(--text); background: var(--bg);
  transition: border-color 0.2s;
}
.form-group input:focus, .form-group textarea:focus { outline: none; border-color: var(--accent); }
.form-group textarea { resize: vertical; min-height: 120px; }
.form-submit-wrap { display: flex; justify-content: flex-end; }
.form-submit { width: auto; }
.form-success { display: none; text-align: center; padding: 24px; }
.form-success i, .form-success svg.icon { font-size: 48px; color: #16a34a; width: 48px; height: 48px; margin-bottom: 12px; display: block; margin-left: auto; margin-right: auto; }
.form-success p { font-size: 16px; font-weight: 600; color: var(--text); }

/* ========== RESPONSIVE ========== */
@media (max-width: 1024px) {
  .hero h1 { font-size: 44px; }
  .section-heading { font-size: 36px; }
  .features-grid { grid-template-columns: repeat(2, 1fr); }
  .values-grid { grid-template-columns: repeat(2, 1fr); }
  .steps { grid-template-columns: repeat(2, 1fr); }
  .footer-inner { grid-template-columns: 1fr 1fr; }
  .stats-strip { grid-template-columns: repeat(2, 1fr); gap: 24px; }
  .about-inner { grid-template-columns: 1fr; gap: 40px; }
  .contact-inner { grid-template-columns: 1fr; gap: 40px; }
}
@media (max-width: 768px) {
  :root { --section-padding: 64px 24px; }
  .nav-links { display: none; }
  .nav-links.open {
    display: flex; flex-direction: column; position: absolute;
    top: 96px; left: 0; right: 0; background: var(--surface);
    padding: 24px; gap: 16px; box-shadow: var(--shadow-lg);
  }
  .nav-toggle { display: block; }
  .hero { padding: 140px 24px 80px; }
  .hero h1 { font-size: 38px; }
  .steps { grid-template-columns: 1fr; gap: 24px; }
  .testimonials-grid { grid-template-columns: 1fr; }
  .features-grid { grid-template-columns: 1fr; }
  .values-grid { grid-template-columns: 1fr; }
  .stats-strip { grid-template-columns: repeat(2, 1fr); }
  .about-inner { grid-template-columns: 1fr; gap: 32px; }
  .contact-inner { grid-template-columns: 1fr; gap: 32px; }
  .form-row { grid-template-columns: 1fr; }
  .footer-inner { grid-template-columns: 1fr; gap: 32px; }
  .footer-bottom { flex-direction: column; gap: 16px; text-align: center; }
  .cta-block .section-heading { font-size: 32px; }
}
@media (max-width: 480px) {
  .hero h1 { font-size: 32px; }
  .section-heading { font-size: 28px; }
  .hero-ctas { flex-direction: column; }
  .cta-buttons { flex-direction: column; align-items: center; }
  .btn { width: 100%; justify-content: center; }
  .stats-strip { grid-template-columns: 1fr 1fr; }
}

/* Inline SVG icon system — matches Font Awesome sizing and color behavior */
svg.icon {
  display: inline-block;
  width: 1em;
  height: 1em;
  fill: currentColor;
  vertical-align: -0.125em;
  overflow: visible;
  flex-shrink: 0;
}


/* SVG icon sizes for remaining contexts */
.social-links a svg.icon { width: 16px; height: 16px; }
.btn svg.icon { width: 14px; height: 14px; vertical-align: -0.1em; }