:root {
  --bg-main: #f4f6fb;
  --bg-alt: #fdf7f1;
  --text-main: #1f2430;
  --text-soft: #5b6475;
  --accent-teal: #1f9a8a;
  --accent-orange: #ff9b5a;
  --accent-blue: #4b7cff;
  --card: #ffffff;
  --radius-lg: 20px;
  --shadow-soft: 0 18px 40px rgba(15, 23, 42, 0.12);
}


* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  font-family: "Poppins", system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI",
    sans-serif;
  background: var(--bg-main);
  color: var(--text-main);
  overflow-x: hidden;
}

/* 3D background canvas */
canvas#bg {
  position: fixed;
  inset: 0;
  width: 100vw;
  height: 100vh;
  z-index: -1;
}

/* HERO */

.hero {
  min-height: 60vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 80px 20px 40px;
}

.hero-inner {
  max-width: 900px;
  text-align: center;
  background: linear-gradient(135deg,
      rgba(255, 255, 255, 0.9),
      rgba(255, 255, 255, 0.7));
  border-radius: 32px;
  padding: 40px 26px 34px;
  box-shadow: 0 24px 60px rgba(15, 23, 42, 0.18);
  backdrop-filter: blur(16px);
}

.hero h1 {
  font-size: clamp(2.8rem, 4vw + 1rem, 3.6rem);
  letter-spacing: -0.04em;
  margin-bottom: 10px;
  background: linear-gradient(120deg, #1f9a8a, #4b7cff, #ff9b5a);
  -webkit-background-clip: text;
  color: transparent;
}

.hero-tagline {
  font-size: 1.1rem;
  color: var(--text-soft);
  margin-bottom: 8px;
}

.hero-sub {
  font-size: 0.95rem;
  color: var(--text-soft);
  max-width: 520px;
  margin: 0 auto 20px;
}

.hero-btn {
  margin-top: 8px;
  border: none;
  border-radius: 999px;
  padding: 10px 22px;
  background: linear-gradient(135deg, var(--accent-teal), var(--accent-blue));
  color: #ffffff;
  font-weight: 500;
  font-size: 0.9rem;
  cursor: pointer;
  box-shadow: 0 16px 40px rgba(31, 154, 138, 0.4);
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.hero-btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 22px 50px rgba(31, 154, 138, 0.55);
}

/* SECTIONS */

.section {
  max-width: 1100px;
  margin: 40px auto;
  padding: 40px 20px 50px;
}

.section.alt {
  background: var(--bg-alt);
  border-radius: 32px;
  box-shadow: 0 18px 40px rgba(15, 23, 42, 0.08);
}

.section-header {
  margin-bottom: 24px;
}

.section-header h2 {
  font-size: 2rem;
  letter-spacing: -0.03em;
  margin-bottom: 4px;
}

.section-tag {
  font-size: 0.9rem;
  color: var(--text-soft);
}

.section-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.4fr) minmax(0, 1fr);
  gap: 26px;
  align-items: flex-start;
}

@media (max-width: 900px) {
  .section-grid {
    grid-template-columns: 1fr;
  }
}

.section-text p {
  font-size: 0.95rem;
  line-height: 1.7;
  color: var(--text-soft);
  margin-bottom: 14px;
}

/* IMAGE + CARDS */

.section-media {
  display: flex;
  justify-content: center;
  align-items: flex-start;
}

.image-card {
  background: rgba(255, 255, 255, 0.96);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-soft);
  padding: 14px 14px 16px;
  max-width: 360px;
}

.image-card img {
  width: 100%;
  border-radius: 16px;
  display: block;
}

.image-caption {
  font-size: 0.8rem;
  color: var(--text-soft);
  margin-top: 8px;
}

/* WHY SECTION CARDS */

.card-stack {
  display: flex;
  flex-direction: column;
  gap: 14px;
  width: 100%;
}

.info-card {
  border-radius: var(--radius-lg);
  padding: 14px 16px;
  color: #ffffff;
  box-shadow: 0 16px 40px rgba(15, 23, 42, 0.18);
}

.info-card h3 {
  font-size: 1rem;
  margin-bottom: 4px;
}

.info-card p {
  font-size: 0.85rem;
}

.tone-blue {
  background: linear-gradient(135deg, #4b7cff, #7fa4ff);
}

.tone-orange {
  background: linear-gradient(135deg, #ff9b5a, #ffb47f);
}

.tone-teal {
  background: linear-gradient(135deg, #1f9a8a, #4fd1b3);
}

/* FOOTER */

.footer {
  text-align: center;
  padding: 24px 20px 40px;
  font-size: 0.8rem;
  color: var(--text-soft);
}

body {
  font-family: "Poppins", sans-serif;
  background: #121212;
  color: white;
  overflow-x: hidden;
}

canvas#bg {
  position: fixed;
  inset: 0;
  width: 100vw;
  height: 100vh;
  z-index: -1;
}

.hero h1,
.hero-tagline,
.hero-sub,
.section-header h2,
.section-tag,
.section-text p,
.image-caption,
.info-card h3,
.info-card p,
.footer {
  color: white;
}

.hero-btn {
  background: linear-gradient(135deg, #4b7cff, #ff9b5a);
  color: white;
  box-shadow: 0 16px 40px rgba(255, 255, 255, 0.2);
}

.section.alt {
  background: #1e1e1e;
}

.image-card {
  background: #1e1e1e;
  box-shadow: 0 18px 40px rgba(255, 255, 255, 0.1);
}

.info-card {
  background: linear-gradient(135deg, #4b7cff, #ff9b5a);
  color: white;
  box-shadow: 0 16px 40px rgba(255, 255, 255, 0.2);
}

.hero-inner {
  background: rgba(255, 255, 255, 0.05);
  backdrop-filter: blur(12px);
  box-shadow: 0 24px 60px rgba(255, 255, 255, 0.1);
}

.home-btn {
  position: absolute;
  top: 30px;
  left: 30px;
  text-decoration: none;
  font-weight: 600;
  font-size: 0.95rem;
  padding: 10px 24px;
  border-radius: 30px;
  background: rgba(255, 255, 255, 0.1);
  backdrop-filter: blur(10px);
  border: 1px solid rgba(255, 255, 255, 0.2);
  color: white;
  transition: all 0.3s ease;
  z-index: 10;
  display: flex;
  align-items: center;
  gap: 8px;
}

.home-btn:hover {
  background: linear-gradient(135deg, var(--accent-teal), var(--accent-blue));
  border-color: transparent;
  transform: translateY(-2px);
  box-shadow: 0 10px 20px rgba(0, 0, 0, 0.2);
}