@import url("https://fonts.googleapis.com/css2?family=Kantumruy+Pro:wght@400;500;600;700;800&display=swap");

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  font-family: "Kantumruy Pro", sans-serif;
}

html {
  scroll-behavior: smooth;
}

body {
  background: #f7f8fc;
  color: #222;
  overflow-x: hidden;
}

/* ================= HEADER ================= */

header {
  position: relative;
  overflow: hidden;
  padding: 70px 10%;
  background: linear-gradient(135deg, #a95000, #d87500, #ff9d1c);
  color: #fff;
  isolation: isolate;
}

header::before {
  content: "";
  position: absolute;
  top: -50%;
  left: -40%;
  width: 30%;
  height: 200%;
  background: linear-gradient(
    90deg,
    transparent,
    rgba(255, 255, 255, 0.1),
    rgba(255, 255, 255, 0.7),
    rgba(255, 255, 255, 0.1),
    transparent
  );
  transform: rotate(20deg);
  filter: blur(8px);
  animation: lightMove 4s ease-in-out;
  z-index: -1;
}

header::after {
  content: "";
  position: absolute;
  width: 350px;
  height: 350px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.08);
  right: -100px;
  top: -130px;
  z-index: -1;
}

@keyframes lightMove {
  from {
    left: -40%;
  }
  to {
    left: 130%;
  }
}

header h1 {
  font-size: 52px;
  font-weight: 800;
  line-height: 1.2;
  animation: fadeDown 0.8s ease;
}

header p {
  margin-top: 14px;
  max-width: 750px;
  font-size: 15px;
  line-height: 1.8;
  color: rgba(255, 255, 255, 0.9);
  animation: fadeUp 1s ease;
}

@keyframes fadeDown {
  from {
    opacity: 0;
    transform: translateY(-30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes fadeUp {
  from {
    opacity: 0;
    transform: translateY(30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* ================= MAIN ================= */

main {
  padding: 80px 10%;
}

.container {
  max-width: 1400px;
  margin: auto;
  margin-bottom: 80px;
}

.section {
  display: flex;
  align-items: center;
  gap: 60px;
  padding: 30px;
  background: #fff;
  border-radius: 20px;
  box-shadow: 0 10px 40px rgba(0, 0, 0, 0.07);
  opacity: 0;
  transform: translateY(70px);
  transition:
    opacity 0.8s ease,
    transform 0.8s ease,
    box-shadow 0.4s ease;
}

/* card show when scroll */

.section.show {
  opacity: 1;
  transform: translateY(0);
}

.section:hover {
  box-shadow: 0 20px 55px rgba(0, 0, 0, 0.12);
  transform: translateY(-6px);
}

/* alternate image position */

.container:nth-child(even) .section {
  flex-direction: row-reverse;
}

/* ================= IMAGE ================= */

.section img {
  width: 55%;
  max-width: 650px;
  border-radius: 14px;
  box-shadow: 0 8px 25px rgba(0, 0, 0, 0.15);
  transition:
    transform 0.5s ease,
    box-shadow 0.5s ease;
}

.section:hover img {
  transform: scale(1.025);
  box-shadow: 0 15px 40px rgba(0, 0, 0, 0.2);
}

/* ================= TEXT ================= */

.section-content {
  flex: 1;
}

.section-number {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 45px;
  height: 45px;
  background: linear-gradient(135deg, #d87500, #ff9d1c);
  color: #fff;
  border-radius: 12px;
  font-weight: 700;
  margin-bottom: 15px;
}

.section h2 {
  font-size: 30px;
  font-weight: 800;
  color: #222;
  margin-bottom: 12px;
}

.section p {
  color: #666;
  font-size: 14px;
  line-height: 1.8;
}

/* ================= TAG ================= */

.tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 20px;
}

.tags span {
  padding: 7px 14px;
  background: #fff3e5;
  color: #c45e00;
  border-radius: 30px;
  font-size: 12px;
  font-weight: 600;
  transition: 0.3s;
}

.tags span:hover {
  background: #e57800;
  color: #fff;
  transform: translateY(-3px);
}

/* ================= RESPONSIVE ================= */

@media (max-width: 900px) {
  header {
    padding: 55px 6%;
  }

  header h1 {
    font-size: 38px;
  }

  main {
    padding: 50px 5%;
  }

  .section,
  .container:nth-child(even) .section {
    flex-direction: column;
    align-items: flex-start;
    gap: 30px;
  }

  .section img {
    width: 100%;
    max-width: 100%;
  }

  .section h2 {
    font-size: 25px;
  }
}

@media (max-width: 500px) {
  header h1 {
    font-size: 30px;
  }

  header p {
    font-size: 13px;
  }

  .section {
    padding: 18px;
    border-radius: 14px;
  }

  .container {
    margin-bottom: 40px;
  }
}

/* ================= REGISTRATION PROCESS ================= */

.registration {
  max-width: 1400px;
  margin: 130px auto 40px;
}

.registration-header {
  text-align: center;
  max-width: 750px;
  margin: 0 auto 70px;
}

.registration-header span {
  display: inline-block;
  padding: 7px 16px;
  margin-bottom: 15px;
  border-radius: 30px;
  background: #fff0df;
  color: #d56a00;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 1px;
  text-transform: uppercase;
}

.registration-header h1 {
  font-size: 38px;
  font-weight: 800;
  color: #222;
  margin-bottom: 15px;
}

.registration-header p {
  font-size: 14px;
  color: #777;
  line-height: 1.9;
}

/* STEP */

.registration-flow {
  position: relative;
}

.register-step {
  display: flex;
  align-items: center;
  gap: 60px;
  padding: 35px;
  background: #fff;
  border: 1px solid rgba(0, 0, 0, 0.05);
  border-radius: 24px;
  box-shadow: 0 12px 45px rgba(0, 0, 0, 0.07);

  opacity: 0;
  transform: translateY(80px);
  transition:
    opacity 0.8s ease,
    transform 0.8s ease,
    box-shadow 0.4s ease;
}

.register-step.reverse {
  flex-direction: row-reverse;
}

.register-step.show {
  opacity: 1;
  transform: translateY(0);
}

.register-step:hover {
  transform: translateY(-7px);
  box-shadow: 0 25px 65px rgba(0, 0, 0, 0.12);
}

/* INFO */

.step-info {
  flex: 1;
  display: flex;
  gap: 20px;
  align-items: flex-start;
}

.step-number {
  min-width: 58px;
  height: 58px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 16px;

  background: linear-gradient(135deg, #c45e00, #ff9d1c);
  color: #fff;

  font-size: 18px;
  font-weight: 800;

  box-shadow: 0 8px 22px rgba(217, 112, 0, 0.25);

  transition: 0.4s;
}

.register-step:hover .step-number {
  transform: rotate(-8deg) scale(1.08);
}

.step-label {
  display: block;
  color: #dd7200;
  font-size: 11px;
  font-weight: 800;
  letter-spacing: 1.5px;
  margin-bottom: 7px;
}

.step-info h2 {
  font-size: 27px;
  color: #222;
  margin-bottom: 10px;
}

.step-info p {
  font-size: 14px;
  color: #6d6d6d;
  line-height: 1.8;
  max-width: 470px;
}

/* IMAGE */

.step-image {
  width: 48%;
  max-width: 520px;
  position: relative;
  overflow: hidden;
  border-radius: 17px;
  margin: auto;
}

.step-image::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(
    120deg,
    transparent 35%,
    rgba(255, 255, 255, 0.35),
    transparent 65%
  );

  transform: translateX(-120%);
  transition: 0.8s;
}

.register-step:hover .step-image::after {
  transform: translateX(120%);
}

.step-image img {
  width: 100%;
  max-height: 520px;
  object-fit: contain;
  display: block;
  border-radius: 17px;
  transition: transform 0.6s ease;
}

.register-step:hover .step-image img {
  transform: scale(1.025);
}

/* FLOW LINE */

.flow-line {
  height: 65px;
  display: flex;
  justify-content: center;
  align-items: center;
}

.flow-line span {
  width: 3px;
  height: 45px;
  border-radius: 10px;
  background: linear-gradient(to bottom, #ff9d1c, #ffd29c);

  position: relative;
}

.flow-line span::after {
  content: "";
  position: absolute;
  bottom: -4px;
  left: 50%;

  width: 10px;
  height: 10px;

  border-radius: 50%;
  background: #f4870c;

  transform: translateX(-50%);

  box-shadow: 0 0 0 5px rgba(244, 135, 12, 0.15);

  animation: stepPulse 1.8s infinite;
}

@keyframes stepPulse {
  0%,
  100% {
    box-shadow: 0 0 0 4px rgba(244, 135, 12, 0.15);
  }

  50% {
    box-shadow: 0 0 0 10px rgba(244, 135, 12, 0);
  }
}

/* RESPONSIVE */

@media (max-width: 900px) {
  .registration {
    margin-top: 80px;
  }

  .registration-header {
    margin-bottom: 45px;
  }

  .registration-header h1 {
    font-size: 30px;
  }

  .register-step,
  .register-step.reverse {
    flex-direction: column;
    align-items: stretch;
    gap: 30px;
    padding: 22px;
  }

  .step-image {
    width: 100%;
    max-width: 600px;
  }
  .step-image img {
    max-height: none;
  }
  .step-info {
    width: 100%;
  }

  .flow-line {
    height: 50px;
  }

  .flow-line span {
    height: 32px;
  }
}

@media (max-width: 500px) {
  .registration-header h1 {
    font-size: 25px;
  }

  .step-info {
    gap: 13px;
  }

  .step-number {
    min-width: 48px;
    height: 48px;
    border-radius: 13px;
    font-size: 15px;
  }

  .step-info h2 {
    font-size: 21px;
  }

  .register-step {
    padding: 15px;
    border-radius: 16px;
  }

  .step-image {
    border-radius: 12px;
  }

  .step-image img {
    border-radius: 12px;
  }
}

#goUpBtn{
    position:fixed;
    right:28px;
    bottom:28px;
    width:50px;
    height:50px;
    border:none;
    border-radius:50%;
    background:linear-gradient(135deg,#d87500,#ff9d1c);
    color:#fff;
    font-size:24px;
    font-weight:700;
    cursor:pointer;
    box-shadow:0 8px 25px rgba(216,117,0,.35);
    opacity:0;
    visibility:hidden;
    transform:translateY(20px) scale(.8);
    transition:.3s ease;
    z-index:999;
}

#goUpBtn.show{
    opacity:1;
    visibility:visible;
    transform:translateY(0) scale(1);
}

#goUpBtn:hover{
    transform:translateY(-5px) scale(1.08);
    box-shadow:0 12px 30px rgba(216,117,0,.5);
}

#goUpBtn:active{
    transform:scale(.92);
}

@media(max-width:600px){
    #goUpBtn{
        right:18px;
        bottom:18px;
        width:45px;
        height:45px;
        font-size:21px;
    }
}


footer {
  padding: 30px 20px;

  text-align: center;
}

footer p {
  color: #999;

  font-size: 12px;
}