:root {
  --primary: #222;
  --brand-yellow: #ffbd38;
  --brand-yellow-dark: #ffae38;
  --bg-gradient: linear-gradient(133deg, #e8f1ff 0%, #b6eaff 100%);
  --header-gradient: linear-gradient(90deg, #fafdff 60%, #e7f2fb 100%);
  --card-bg: linear-gradient(132deg, #f4f8fc 70%, #eaf3fd 100%);
  --card-shadow: 0 6px 30px rgba(21, 93, 172, 0.09);
  --footer-bg: #f9fbfc;
}

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

body {
  font-family: "Montserrat", Arial, Helvetica, sans-serif;
  background: var(--bg-gradient);
  color: var(--primary);
  min-height: 100vh;
}

.container {
  width: 90%;
  max-width: 1150px;
  margin: 0 auto;
}

.header {
  background: var(--header-gradient);
  padding: 28px 0 20px 0;
  position: sticky;
  top: 0;
  z-index: 10;
  box-shadow: 0 2px 24px rgba(170, 200, 245, 0.09);
  border-bottom: 1px solid #e3eaf1;
}

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

.logo {
  font-weight: 900;
  font-size: 1.8rem;
  letter-spacing: 1px;
}

.logo-dot {
  color: var(--brand-yellow);
}

.btn {
  display: inline-block;
  padding: 13px 27px;
  border-radius: 12px;
  background: linear-gradient(
    90deg,
    var(--brand-yellow),
    var(--brand-yellow-dark)
  );
  color: var(--primary);
  font-weight: 700;
  font-size: 1rem;
  border: none;
  box-shadow: 0 6px 24px rgba(255, 190, 70, 0.13);
  cursor: pointer;
  text-decoration: none;
  transition: background 0.2s, box-shadow 0.2s;
}
.btn:hover {
  background: linear-gradient(90deg, #ffd976, #ffc947);
}

.resume-btn {
  font-size: 1rem;
}

.hero {
  margin-top: 38px;
}

.card {
  max-width: 1150px;
  margin: 0 auto;
  width: 100%;
  background: var(--card-bg);
  border-radius: 24px;
  box-shadow: var(--card-shadow);
  display: flex;
  flex-direction: column;
  align-items: center;
  padding-left: 32px;
  padding-right: 32px;
}

.hero-box {
  padding: 52px 24px 40px 24px;
  text-align: center;
}

.hero-img {
  width: 140px;
  margin-bottom: 22px;
  filter: drop-shadow(0 8px 20px #b0d0ff66);
}

.hero-title {
  font-size: 2.1rem;
  font-weight: 800;
  margin-bottom: 13px;
  color: var(--primary);
  letter-spacing: 0.02em;
}

.hero-desc {
  max-width: 540px;
  color: #616a7a;
  font-size: 1.17rem;
  margin-bottom: 28px;
  text-align: center;
}

.connect-btn {
  margin-top: 4px;
  background: linear-gradient(90deg, #ffa13e, #ffd976 90%);
  color: #222;
  border-radius: 10px;
  font-size: 1.1rem;
  padding: 12px 36px;
  box-shadow: 0 4px 20px #ffd95e44;
  font-weight: 700;
}

.connect-btn:hover {
  background: linear-gradient(90deg, #ffae38, #ffbd38 100%);
}

.why-web {
  margin: 60px 0 0 0;
}

.why-web-content h2 {
  font-size: 2.1rem;
  font-weight: 800;
  margin-bottom: 16px;
  text-align: center;
  letter-spacing: 0.01em;
}
.why-web-content > p {
  color: #617288;
  font-size: 1.17rem;
  text-align: center;
  margin-bottom: 28px;
  max-width: 1200px;
  margin-left: auto;
  margin-right: auto;
}

.why-box {
  flex-direction: row;
  align-items: center;
  padding: 35px 40px 35px 40px;
  gap: 40px;
  min-height: 230px;
  justify-content: space-between;
}

.why-box > div {
  flex: 1 1 55%;
}

.why-box h3 {
  font-size: 1.3rem;
  font-weight: 700;
  margin-bottom: 10px;
  color: #26304c;
}
.why-box p {
  font-size: 1.17rem;
  color: #616a7a;
  margin-bottom: 19px;
}
.discuss-btn {
  background: linear-gradient(90deg, #ffae38, #ffd976 80%);
  color: #222;
  border-radius: 10px;
  font-weight: 700;
  padding: 10px 30px;
  font-size: 1.08rem;
}

.why-img {
  flex: 1 1 45%;
  max-width: 220px;
  min-width: 120px;
  margin-left: 10px;
  filter: drop-shadow(0 8px 18px #c0eaff66);
}

.inspiration {
  margin: 65px 0 0 0;
}

.inspiration h2 {
  font-size: 1.6rem;
  font-weight: 800;
  text-align: center;
  margin-bottom: 10px;
}
.inspiration-desc {
  text-align: center;
  color: #617288;
  font-size: 1.05rem;
  margin-bottom: 24px;
}
.video-box {
  background: var(--card-bg);
  border-radius: 15px;
  padding: 22px 14px 22px 14px;
  margin: 0 auto;
  max-width: 1100px;
  box-shadow: 0 2px 10px rgba(100, 150, 200, 0.06);
  overflow: hidden;
  display: flex;
  justify-content: center;
  align-items: center;
  min-height: 620px;
}
.video-box iframe {
  border-radius: 8px;
  min-height: 620px;
  height: 620px;
  width: 100%;
  display: block;
}

.target {
  margin: 60px 0 0 0;
}
.target h2 {
  font-size: 1.4rem;
  font-weight: 800;
  text-align: center;
  margin-bottom: 5px;
}
.target-desc {
  text-align: center;
  color: #617288;
  font-size: 1.07rem;
  margin-bottom: 38px;
}
.target-cards {
  display: flex;
  justify-content: space-between;
  align-items: stretch;
  max-width: 1150px;
  width: 100%;
  margin: 0 auto 50px auto;
  gap: 0;
}
.target-card {
  background: linear-gradient(130deg, #e7f6ff 0%, #e3eefd 100%);
  border-radius: 15px;
  width: 350px;
  min-height: 220px;
  padding: 36px 20px 24px 20px;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  box-shadow: 0 4px 24px rgba(100, 180, 240, 0.12);
  transition: transform 0.15s;
  flex: 0 0 350px;
  box-sizing: border-box;
}
.target-card img {
  width: 48px;
  height: 48px;
  margin-bottom: 15px;
}
.card-title {
  font-weight: 700;
  font-size: 1.13rem;
  color: #223353;
  margin-bottom: 8px;
}
.target-card a {
  color: #122b48;
  font-weight: 600;
  font-size: 1.05rem;
  text-decoration: underline;
  margin-top: 10px;
}
.target-card:hover {
  transform: translateY(-4px) scale(1.035);
  box-shadow: 0 8px 32px rgba(100, 180, 240, 0.15);
}
.target-card a:hover {
  color: #ffae38;
}

.html-card {
  background: linear-gradient(133deg, #ffe9e0 30%, #e7f6ff 100%);
}
.css-card {
  background: linear-gradient(120deg, #e4eaff 40%, #e6fffa 100%);
}
.tailwind-card {
  background: linear-gradient(135deg, #e3fcff 45%, #e7eaff 100%);
}

.footer {
  background: var(--footer-bg);
  padding: 25px 0 18px 0;
  border-top: 1px solid #e0e6eb;
  margin-top: 40px;
}
.footer-content {
  display: flex;
  justify-content: space-between;
  align-items: center;
}
.footer-left {
  font-size: 1.07rem;
  color: #4d5e6e;
  letter-spacing: 1px;
}
.footer-right a {
  display: inline-block;
  margin-left: 15px;
  vertical-align: middle;
  transition: transform 0.12s;
}
.footer-right a:hover {
  transform: scale(1.12);
}
.footer-right img {
  width: 27px;
  height: 27px;
  filter: grayscale(0.4);
}

/* Responsive Design */
@media (max-width: 1200px) {
  .card,
  .container {
    max-width: 98vw;
  }
}
@media (max-width: 900px) {
  .why-box {
    flex-direction: column;
    padding: 25px 10px;
    gap: 25px;
  }
  .why-img {
    max-width: 130px;
  }
  .target-cards {
    gap: 16px;
  }
  .card {
    max-width: 98vw;
  }
  .video-box {
    height: 400px;
    min-height: 220px;
  }
  .video-box iframe {
    height: 400px;
    min-height: 220px;
  }
}
@media (max-width: 700px) {
  .header-content,
  .footer-content {
    flex-direction: column;
    gap: 12px;
    align-items: flex-start;
  }
  .hero-box {
    padding: 35px 8px 30px 8px;
  }
  .why-box {
    padding: 15px 2px;
  }
  .video-box {
    padding: 8px 1px;
  }
  .target-cards {
    flex-direction: column;
    align-items: center;
    gap: 16px;
  }
  .target-card {
    width: 90vw;
    max-width: 360px;
    align-items: flex-start;
  }
  .video-box {
    height: 220px;
    min-height: 120px;
  }
  .video-box iframe {
    height: 220px;
    min-height: 120px;
  }
}

@media (max-width: 430px) {
  .hero-title {
    font-size: 1.25rem;
  }
  .logo {
    font-size: 1.18rem;
  }
}