@import url("https://fonts.googleapis.com/css2?family=Bebas+Neue&family=Gentium+Book+Plus:ital,wght@0,400;0,700;1,400;1,700&display=swap");

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

:root {
  --primary_col_1: #074a4c;
  --primary_col_2: #031e1f;
  --primary_col_3: #f2f1eb;
  --secondary_col_1: #656565;
}

/* Type_Scale */

html,
body {
  height: 100%;
}

body {
  display: flex;
  flex-direction: column;
  min-height: 100vh;
}

main {
  flex: 1;
}

html {
  font-size: 16px;
}

body {
  font-family: "Open Sans", sans-serif;
  font-weight: false;
  line-height: 1.65;
}

p {
  font-size: 1em;
}

h1,
h2,
h3,
h4,
h5 {
  font-family: "Gentium Book Plus", serif;
  font-weight: true;
  line-height: 1.15;
}

h1,
.text-size-h1 {
  font-family: "Gentium Book Plus", serif;
  font-weight: 700;
  margin-top: 0;
  font-size: 4.21em;
}

h2,
.text-size-h2 {
  font-size: 3.16em;
}

h3,
.text-size-h3 {
  font-size: 2.37em;
}

h4,
.text-size-h4 {
  font-size: 1.78em;
}

h5,
.text-size-h5 {
  font-size: 1.33em;
}

.text-caption {
  font-size: 0.75em;
}

small,
.text-small {
  font-size: 0.56em;
}

body {
  color: var(--primary_col_3);
  background: var(--primary_col_2);
}

a {
  text-decoration: underline;
  color: var(--primary_col_3);
}

main {
  padding: 0 30px;
}

section {
  margin: 20px 0;
}

img {
  width: 100%;
  object-fit: cover;
}

.btn {
  padding: 10px 30px;
  background: var(--primary_col_1);
  border: 0;
  font-weight: 600;
  color: var(--primary_col_3);
}

.btn:hover {
  background: var(--primary_col_2);
  color: var(--primary_col_3);
  border: 2px solid var(--primary_col_3);
}

/* Navbar */

nav {
  background: var(--primary_col_1);
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 10px 30px;
}

.logo {
  width: 100px;
}

.links {
  display: flex;
  flex-direction: row;
  gap: 10px;
  font-weight: 600;
}

/* Hamburger Menu Styles */
.hamburger {
  display: none;
  flex-direction: column;
  justify-content: center;
  cursor: pointer;
  width: 36px;
  height: 36px;
  margin-left: 10px;
  z-index: 1100;
}
.hamburger span {
  height: 4px;
  width: 100%;
  background: var(--primary_col_3);
  margin: 5px 0;
  border-radius: 2px;
  transition: 0.3s;
  display: block;
}
.hamburger.active span:nth-child(1) {
  transform: translateY(9px) rotate(45deg);
}
.hamburger.active span:nth-child(2) {
  opacity: 0;
}
.hamburger.active span:nth-child(3) {
  transform: translateY(-9px) rotate(-45deg);
}

@media (max-width: 800px) {
  .hamburger {
    display: flex;
  }
  nav {
    flex-direction: row;
    justify-content: space-around;
    align-items: center;
    position: relative;
    padding: 10px 0;
  }
  nav .links {
    display: none;
    flex-direction: column;
    background: var(--primary_col_1);
    position: absolute;
    top: 60px;
    right: 10px;
    min-width: 140px;
    border-radius: 8px;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.15);
    z-index: 1000;
    padding: 10px 0;
  }
  nav .links.show {
    display: flex;
  }
  nav .links a {
    padding: 10px 20px;
    text-align: left;
    font-size: 1.1em;
    border-bottom: 1px solid var(--secondary_col_1);
  }
  nav .links a:last-child {
    border-bottom: none;
  }
}

/* Hero Section */

.hero {
  height: 100vh;
  text-align: center;
  border-bottom: 2px dashed var(--secondary_col_1);
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
}

.hero h1 {
  font-size: 7.59em;
}

.hero input {
  background: var(--primary_col_2);
  padding: 5px;
  color: var(--primary_col_3);
  border: 0;
  border: 2px dashed var(--primary_col_3);
}

.hero form {
  margin-top: 15px;
}

.hero .btn {
  margin-left: 10px;
}

/* Insigts Section */

.feature {
  background: var(--primary_col_3);
  color: var(--primary_col_2);
  padding: 25px;
  border-radius: 10px;
}

.cards {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  margin-top: 10px;
}

.card {
  text-align: center;
  padding: 20px;
  border-right: 2px dashed var(--secondary_col_1);
  border-bottom: 2px dashed var(--secondary_col_1);
}

.card h3 {
  margin-bottom: 10px;
}

.card:nth-child(3n) {
  border-right: none;
}

.card:nth-last-child(-n + 3) {
  border-bottom: none;
}

.card img {
  /* filter: invert(1); */
  width: 100px;
}

/* APP Page */
.invest {
  display: flex;
  align-items: center;
  gap: 15px;
}

.app .main_btn {
  display: block;
  margin: 20px auto 0 auto;
}

.app input {
  width: 300px;
  padding: 10px 0;
  margin-top: 12px;
}

.risks {
  display: grid;
  margin-top: 25px;
  grid-template-columns: repeat(3, 1fr);
  gap: 10px;
}

.risk {
  border-right: 2px dashed var(--secondary_col_1);
}

.risk:nth-child(3n) {
  border-right: none;
}

.stocklist {
  padding: 10px 0;
}

/* Footer */

footer {
  background: var(--primary_col_1);
  padding: 30px 20px;
}

.footer_things {
  display: flex;
  justify-content: space-between;
}

.copyright {
  text-align: center;
}

/* .footer_logo {
  font-family: "Bebas Neue", sans-serif;
  font-size: 220px;
  line-height: 0.7;
  margin-top: 10px;
  text-align: center;
  opacity: 10%;
} */

.signup {
  max-width: 800px;
  text-align: center;
  margin: 0 auto;
}

.signup form {
  display: flex;
  flex-direction: column;
  gap: 20px;
  max-width: 300px;
  margin: 0 auto;
  padding: 50px 0;
}

.signup input {
  padding: 10px;
  border-radius: 5px;
  width: 300px;
}

.signup p {
  text-align: center;
}

.input-wrapper {
  position: relative;
  width: 100%;
}
.input-bar {
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: 4px;
  background: var(--secondary_col_1);
  transition: background 0.2s;
}
.input-bar.valid {
  background: #2ecc40;
}
.input-bar.invalid {
  background: #ff4136;
}

.app .btn {
  display: block;
}

/* Responsive Styles */
@media (max-width: 1100px) {
  .cards {
    grid-template-columns: repeat(2, 1fr);
  }
  .risks {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 800px) {
  html {
    font-size: 14px;
  }

  body {
    font-family: "Open Sans", sans-serif;
    font-weight: false;
    line-height: 1.65;
  }

  p {
    font-size: 1em;
  }

  h1,
  h2,
  h3,
  h4,
  h5 {
    font-family: "Gentium Book Plus", serif;
    font-weight: true;
    line-height: 1.15;
  }

  h1,
  .text-size-h1 {
    font-family: "Gentium Book Plus", serif;
    font-weight: 700;
    margin-top: 0;
    font-size: 3.05em;
  }

  h2,
  .text-size-h2 {
    font-size: 2.44em;
  }

  h3,
  .text-size-h3 {
    font-size: 1.95em;
  }

  h4,
  .text-size-h4 {
    font-size: 1.56em;
  }

  h5,
  .text-size-h5 {
    font-size: 1.25em;
  }

  .text-caption {
    font-size: 0.8em;
  }

  small,
  .text-small {
    font-size: 0.64em;
  }

  nav {
    flex-direction: row;
    gap: 10px;
    padding: 10px 10px;
  }
  .cards {
    grid-template-columns: 1fr;
  }
  .card {
    border-bottom: 2px dashed var(--secondary_col_1);
    border-right: none;
  }
  .card:nth-last-child(-n + 3) {
    border-bottom: 2px dashed var(--secondary_col_1);
  }

  .risks {
    grid-template-columns: 1fr;
  }
  .hero h1 {
    font-size: 3em;
  }
  .feature {
    padding: 10px;
  }
  .signup form,
  .app input {
    max-width: 100%;
    width: 100%;
  }
}

@media (max-width: 600px) {
  main {
    padding: 0 5px;
  }
  .hero {
    height: auto;
    padding: 30px 0;
  }
  .hero h1 {
    font-size: 2em;
  }
  .btn {
    padding: 8px 16px;
    font-size: 1em;
  }
  .invest {
    flex-direction: column;
    align-items: stretch;
    gap: 8px;
  }
  .stock-detail h1 {
    font-size: 1.5em;
  }
  .stock-detail h3 {
    font-size: 1.1em;
  }
  .signup input {
    width: 100%;
    font-size: 1em;
  }
  .card img {
    width: 60px;
  }
  .feature {
    padding: 5px;
  }
  .account-info,
  .stock-detail {
    padding: 0 5px;
  }
}