/*
 * styles.css
 *
 * This stylesheet implements a modern, premium interface for VantaGen
 * Solutions using a subtle glassmorphism aesthetic. Variables at the top
 * define the core colour palette pulled from the brand guidelines. The
 * layout is mobile‑first and progressively enhances on larger screens.
 */

/* Root variables for easy theming */
:root {
  --primary-text: #1f2428;
  --muted-text: #6b7280;
  --accent: #69d6c9;
  --background-start: #f9fbfc;
  --background-end: #eef2f5;
  --glass-bg: rgba(255, 255, 255, 0.2);
  --glass-border: rgba(255, 255, 255, 0.3);
  --glass-shadow: 0 8px 24px rgba(0, 0, 0, 0.08);
  --border-radius: 1rem;
  font-family: 'Inter', system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto,
    'Helvetica Neue', Arial, sans-serif;
}

/* Reset some basic elements */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  color: var(--primary-text);
  background: linear-gradient(120deg, var(--background-start), var(--background-end));
  min-height: 100vh;
  scroll-behavior: smooth;
  line-height: 1.5;
  font-size: 1rem;
  background-attachment: fixed;

}

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

ul {
  list-style: none;
}

/* Decorative animated background */
.background {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: -1;
  pointer-events: none;
  overflow: hidden;
  transition: transform 0.25s ease-out;
}




/* existing two blobs (pseudo-elements) */
.background::before,
.background::after {
  content: '';
  position: absolute;
  width: 60vw;
  height: 60vw;
  border-radius: 50%;
  filter: blur(60px);
  opacity: 0.45;
  animation: float 30s ease-in-out infinite;
  will-change: transform;
}

.background::before {
  top: -20%;
  left: -20%;
  background: radial-gradient(circle at center, var(--accent) 0%, transparent 60%);
  animation-duration: 42s;
}

.background::after {
  bottom: -25%;
  right: -15%;
  background: radial-gradient(circle at center, #a8e3dc 0%, transparent 60%);
  animation-duration: 55s;
  animation-direction: reverse;
}

/* NEW: two extra blobs (real elements inside .background) */
.background .blob {
  position: absolute;
  width: 46vw;
  height: 46vw;
  border-radius: 50%;
  filter: blur(120px);
  opacity: 0.28;
  will-change: transform;
  animation: drift 38s ease-in-out infinite;
}

.background .blob.blob-1 {
  top: 10%;
  right: 15%;
  background: radial-gradient(circle at center, rgba(105, 214, 201, 0.35) 0%, transparent 60%);
  animation-duration: 46s;
}

.background .blob.blob-2 {
  bottom: 8%;
  left: 18%;
  background: radial-gradient(circle at center, rgba(31, 36, 40, 0.08) 0%, transparent 65%);
  animation-duration: 60s;
  animation-direction: reverse;
}

@keyframes float {
  0%   { transform: translate(0, 0) scale(1); }
  50%  { transform: translate(18%, -12%) scale(1.08); }
  100% { transform: translate(0, 0) scale(1); }
}

@keyframes drift {
  0%   { transform: translate(0, 0) scale(1); }
  50%  { transform: translate(-12%, 10%) scale(1.06); }
  100% { transform: translate(0, 0) scale(1); }
}


/* Glass card reusable style */
.glass-card {
  background: var(--glass-bg);
  backdrop-filter: blur(14px) saturate(140%);
  -webkit-backdrop-filter: blur(14px) saturate(140%);
  border: 1px solid var(--glass-border);
  border-radius: var(--border-radius);
  box-shadow: var(--glass-shadow);
  padding: 1.5rem;

    position: relative;
  overflow: hidden;

}

/* Subtle glass shimmer */
.glass-card::after {
  content: "";
  position: absolute;
  inset: -40%;
  background: linear-gradient(
    120deg,
    transparent 40%,
    rgba(255, 255, 255, 0.28) 50%,
    transparent 60%
  );
  transform: translateX(-30%) rotate(12deg);
  opacity: 0.0;
  transition: opacity 0.3s ease;
  animation: shimmer 9s ease-in-out infinite;
  pointer-events: none;
}

@keyframes shimmer {
  0%   { transform: translateX(-45%) rotate(12deg); opacity: 0.0; }
  35%  { opacity: 0.06; }
  50%  { transform: translateX(45%) rotate(12deg); opacity: 0.06; }
  65%  { opacity: 0.0; }
  100% { transform: translateX(-45%) rotate(12deg); opacity: 0.0; }
}


/* Navigation styling */
.navbar {
  position: fixed;
  top: 1rem;
  left: 50%;
  transform: translateX(-50%);
  width: calc(100% - 2rem);
  z-index: 1000;
}

.nav-content {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.75rem 1.25rem;
  background: var(--glass-bg);
  backdrop-filter: blur(14px) saturate(140%);
  -webkit-backdrop-filter: blur(14px) saturate(140%);
  border: 1px solid var(--glass-border);
  border-radius: 9999px;
  box-shadow: var(--glass-shadow);
}

.nav-brand {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  color: var(--primary-text);
  font-weight: 600;
  font-size: 1rem;
  letter-spacing: 0.03em;
}

.nav-brand .logo {
  height: 32px;
  width: auto;
}

.nav-links {
  display: none;
  flex-direction: column;
  position: absolute;
  top: 110%;
  right: 0;
  min-width: 200px;
  background: var(--glass-bg);
  backdrop-filter: blur(14px) saturate(140%);
  -webkit-backdrop-filter: blur(14px) saturate(140%);
  border: 1px solid var(--glass-border);
  border-radius: var(--border-radius);
  box-shadow: var(--glass-shadow);
  padding: 0.75rem 0;
  gap: 0.25rem;
}

.nav-links li {
  padding: 0.5rem 1rem;
}

.nav-links a {
  color: var(--primary-text);
  font-weight: 500;
  position: relative;
  display: inline-block;
}

.nav-links a::after {
  content: '';
  position: absolute;
  left: 0;
  bottom: -2px;
  width: 100%;
  height: 2px;
  background: var(--accent);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.3s ease;
}

.nav-links a:hover::after,
.nav-links a:focus::after {
  transform: scaleX(1);
}

.nav-toggle {
  background: transparent;
  border: none;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 0.5rem;
  border-radius: 0.5rem;
}

/* Hamburger icon lines */
.hamburger,
.hamburger::before,
.hamburger::after {
  content: '';
  display: block;
  width: 20px;
  height: 2px;
  background: var(--primary-text);
  border-radius: 1px;
  transition: transform 0.3s ease, opacity 0.3s ease;
}

.hamburger::before {
  transform: translateY(-6px);
}

.hamburger::after {
  transform: translateY(6px);
}

/* Toggle open state */
.nav-toggle[aria-expanded='true'] .hamburger {
  background: transparent;
}

.nav-toggle[aria-expanded='true'] .hamburger::before {
  transform: translateY(0) rotate(45deg);
}

.nav-toggle[aria-expanded='true'] .hamburger::after {
  transform: translateY(0) rotate(-45deg);
}

/* Show nav links when open */
.nav-links.open {
  display: flex;
}

@media (min-width: 768px) {
  .nav-toggle {
    display: none;
  }
  .nav-links {
    display: flex !important;
    position: static;
    flex-direction: row;
    background: none;
    border: none;
    box-shadow: none;
    gap: 1.5rem;
    padding: 0;
    margin-left: auto;
  }
  .nav-links li {
    padding: 0;
  }
}

/* Hero section */
.hero {
  padding-top: 7rem; /* leave space for fixed nav */
  padding-bottom: 4rem;
}

.hero-inner {
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 2.5rem;
  padding: 0 1rem;
}

@media (min-width: 900px) {
  .hero-inner {
    flex-direction: row;
    align-items: center;
    justify-content: space-between;
  }
}

.hero-text h1 {
  font-size: clamp(2rem, 4vw + 1rem, 3.5rem);
  font-weight: 700;
  line-height: 1.2;
  margin-bottom: 1rem;
}

.hero-text p {
  max-width: 600px;
  color: var(--muted-text);
  margin-bottom: 2rem;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
}

.btn {
  display: inline-block;
  padding: 0.75rem 1.5rem;
  border-radius: 9999px;
  font-weight: 500;
  text-align: center;
  cursor: pointer;
  transition: box-shadow 0.3s ease, transform 0.3s ease;
  position: relative;
  overflow: hidden;
}

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

.primary-btn:hover,
.primary-btn:focus {
  box-shadow: 0 0 10px var(--accent), 0 0 20px var(--accent);
  transform: translateY(-2px);
}

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

.secondary-btn:hover,
.secondary-btn:focus {
  background: rgba(105, 214, 201, 0.1);
  box-shadow: 0 0 8px rgba(105, 214, 201, 0.5);
  transform: translateY(-2px);
}

.hero-card {
  max-width: 340px;
  text-align: left;
}

.hero-card h3 {
  font-size: 1.25rem;
  font-weight: 600;
  margin-bottom: 0.5rem;
}

.hero-card p {
  color: var(--muted-text);
  margin-bottom: 0.75rem;
}

.badge {
  display: inline-block;
  font-size: 0.75rem;
  color: var(--accent);
  background: rgba(105, 214, 201, 0.15);
  padding: 0.25rem 0.5rem;
  border-radius: 0.5rem;
  font-weight: 500;
}

/* Section headings */
.section {
  padding: 4rem 1rem;
  max-width: 1100px;
  margin: 0 auto;
  text-align: center;
  /* Provide space when scrolled to via anchor links so the fixed
     navigation doesn't cover the heading. */
  scroll-margin-top: 7rem;
}

.section h2 {
  font-size: 2rem;
  margin-bottom: 2rem;
  font-weight: 600;
}

/* Support cards */
.support-cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 2rem;
}

.support-card {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 0.75rem;
  text-align: left;
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.support-card:hover,
.support-card:focus-within {
  transform: translateY(-4px);
  box-shadow: 0 12px 30px rgba(0, 0, 0, 0.1);
}

.support-card .icon {
  color: var(--accent);
}

.support-card h3 {
  font-size: 1.25rem;
  font-weight: 600;
}

.support-card p {
  color: var(--muted-text);
}

/* Approach section */
.approach-card {
  max-width: 700px;
  margin: 0 auto;
  text-align: left;
}

.approach-card h2 {
  text-align: center;
  margin-bottom: 1.5rem;
}

.approach-list {
  margin-bottom: 1rem;
  padding-left: 1.25rem;
  color: var(--muted-text);
}

.approach-list li {
  margin-bottom: 0.5rem;
  position: relative;
}

.approach-list li::before {
  content: '•';
  position: absolute;
  left: -1rem;
  color: var(--accent);
}

.approach .note {
  color: var(--muted-text);
  font-size: 0.9rem;
  margin-top: 1rem;
  text-align: center;
}

/* Contact section */
.contact-inner {
  display: flex;
  flex-direction: column;
  gap: 2rem;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.form-group label {
  font-weight: 500;
}

.form-group input,
.form-group textarea {
  padding: 0.75rem 1rem;
  border-radius: 0.5rem;
  border: 1px solid rgba(0, 0, 0, 0.1);
  background: rgba(255, 255, 255, 0.6);
  color: var(--primary-text);
  resize: vertical;
}

.form-group input:focus,
.form-group textarea:focus {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}

.contact-details {
  color: var(--muted-text);
}

.contact-details a {
  color: var(--primary-text);
  text-decoration: underline;
}

.contact .response-note {
  display: block;
  margin-top: 0.5rem;
  color: var(--muted-text);
  font-size: 0.8rem;
}

@media (min-width: 768px) {
  .contact-inner {
    flex-direction: row;
    justify-content: space-between;
  }
  .contact-inner form,
  .contact-inner .contact-details {
    flex: 1;
  }
  .contact-inner .contact-details {
    padding-left: 2rem;
  }
}

/* Footer */
.footer {
  padding: 3rem 1rem;
  text-align: center;
  color: var(--muted-text);
  font-size: 0.9rem;
}

.footer-links {
  display: flex;
  gap: 1.5rem;
  justify-content: center;
  margin-top: 1rem;
}

.footer-links a {
  color: var(--primary-text);
  text-decoration: underline;
}