/*=============== GOOGLE FONTS ===============*/
@import url("https://fonts.googleapis.com/css2?family=Roboto:wght@400;500;700&display=swap");

:root{
--base-color: white;
--base-variant: #e8e9ed;
--text-color: #111528;
--secondary-text: #232738;
--primary-color: #3a435d;
--accent-color: #0071ff;
}
.darkmode{
  --base-color: #070b1d;
  --base-variant: #101425;
  --text-color: #ffffff;
  --secondary-text: #a4a5b8;
  --primary-color: #3a435d;
  --accent-color: #0071ff;
  background-image: url(background-img.png);
  transition: background 0.5s ease;
}

* {
  padding: 0;
  margin: 0;
  border: none;
  outline: 0;
  text-decoration: none;
  color: var(--text-color);
 background-color: var(--background-color);
 transition: color 0.3s, background-color 0.3s;
}

body {
  min-height: 100vh;
  background-color: var(--base-color);
  color: var(--text-color);
  font-family: inter;
  background-repeat: no-repeat;
  background-image: url(background-imgg.png);
  transition: background 0.5s ease;
  background-position: center;
  background-size: cover;
  height: 100vh;
  padding: 0 10%;
}

html {
  scroll-behavior: smooth !important;
}

#theme-switch {
  height: 30px;
  width: 30px;
  padding: 0;
  border-radius: 50%;
  background-color: var(--base-variant);
  display: flex;
  justify-content: center;
  align-items: center;
  position: fixed;
  top: 5px;
  left: 72px;
}
/* Hover effect with ring/border glow */
#theme-switch:hover {
  border-color: currentColor; /* ring uses text color */
  box-shadow: 0 0 10px currentColor; /* glow effect */
  background-color: var(--btn-hover-light);
  color: white;
}

/* Dark mode hover */
body.darkmode #theme-switch:hover {
  background-color: var(--btn-hover-dark);
  color: black;
}

#theme-switch svg{
  fill: var(--primary-color);
}
#theme-switch svg:last-child{
  display: none;
}
.darkmode #theme-switch svg:first-child{
  display: none;
}
.darkmode  #theme-switch svg:last-child{
  display: block;
}

header {
  position: fixed;
  top: 0;
  left: 10;
  width: 80%;
  z-index: 9999;

  background-color: var(--base-color);
  color: var(--text-color);

  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1rem 2rem;

  border-bottom: 1px solid var(--base-variant);
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.05);
}

/* --- For phone and iPad --- */
@media (max-width: 900px) {
  header {
    top: 0;
    padding: 12px 12px;      /* smaller padding for mobile */
  }

  header nav {
    display: none;           /* hide desktop nav */
  }

  header .menu-icon {
    display: block;          /* show hamburger icon */
    font-size: 1.8rem;
    cursor: pointer;
  }
}

/* --- Very small phones (iPhone SE etc.) --- */
@media (max-width: 500px) {
  header {
    top: 0;
    padding: 10px 10px;
  }

  header .menu-icon {
    font-size: 1.6rem;
  }
}

/* When in dark mode */
.darkmode header {
  background-color: var(--base-color);
  color: var(--text-color);
  border-bottom: 1px solid var(--base-variant);
}

/* Header */
#header, nav {
  top: 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 10px;
  padding-bottom: 10px;
  z-index: 1;
}

.nav-item {
  font-size: 1.2rem;
  font-weight: 500;
  margin-left: 60px;
  transition: color 0.12s, transform 0.12s;
}

nav .active {
  color: #3FA2F6;
}

.nav-item:hover {
  color: #3FA2F6;
}

.nav-item:active {
  transform: scale(1.1);
}

/* logo */
.logo {
  font-size: 2rem;
  font-weight: 800;
}

h1 {
  font-size: 4rem;
  font-weight: 800;
  padding: 0px 0;
  width: 50%; /* default: half screen */
  padding-top: 140px; /* large screen */
}

/* Tablets */
@media (max-width: 1024px) {
  h1 {
    width: 70%; /* default: half screen */
    padding-top: 100px; /* move up */
    font-size: 3rem;   /* optional: reduce size */
  }
}

/* Mobile phones */
@media (max-width: 768px) {
  h1 {
    width: 100%;       /* full width */
    padding-top: 60px; /* move further up */
    font-size: 2.5rem; /* optional: smaller text */
  }
}

.go{
  margin-top: 60px;
}
h3 {
  font-size: 2.3rem;
  font-weight: 800;
  color: #3FA2F6;
  padding-bottom: 50px;
  padding-top: 80px; /* same or slightly more than header height */
}

/* On tablets and phones, make it down a bit */
@media (max-width: 1024px) {  /* tablet */
  .textb {
  padding-top: 75px;
  }
}

@media (max-width: 768px) {  /* mobile */
  .textb {
  padding-top: 135px;
  }
}

p {
  font-size: 1.2rem;
  color: var(--text-color);
  background-color: var(--background-color);
  transition: color 0.3s, background-color 0.3s;
  line-height: 1.5;
  padding-bottom: 50px;
  width: 50%; /* default for larger screens */
}

/* On tablets and phones, make it full width */
@media (max-width: 1024px) {  /* tablet */
  p {
    width: 100%;
  }
}

@media (max-width: 768px) {  /* mobile */
  p {
    width: 100%;
  }
}

.text-one {
  font-size: 1.2rem;
  color: var(--text-color);
  background-color: var(--background-color);
  transition: color 0.3s, background-color 0.3s;
  line-height: 1.5;
  padding-bottom: 50px;
  width: 50%; /* default for larger screens */
}

/* Tablets */
@media (max-width: 1024px) {
  .text-one {
    width: 50%;       /* full width */
    padding-top: 50px; /* move down */
  }
}

/* Mobile phones */
@media (max-width: 768px) {
  .text-one {
    width: 100%;       /* full width */
    padding-top: 140px; /* move further down */
  }
}

/* Button container */
.cta {
  display: flex;
  justify-content: center; /* center horizontally */
  align-items: center;
  gap: 50px; /* space between buttons */
  flex-wrap: nowrap; /* do NOT wrap, keep buttons side by side */
  margin-bottom: 50px; /* optional spacing below */
  padding-top: 50px; /* move further down */
}

/* Buttons */
.cta button {
  color: black;
  font-size: 1.2rem;
  font-weight: 600;
  padding: 15px 0;
  width: 200px;
  border: none;
  border-radius: 8px;
  background-color: #3FA2F6;
  transition: background-color 0.12s, border 0.12s, color 0.21s, padding 0.12s;
  margin: 0; /* remove extra margins */
}

/* Hover effects */
.cta .cta-1:hover {
  background-color: transparent;
  color: #3FA2F6;
  border: 2px solid #3FA2F6;
  padding: 13px 0;
}

.cta .cta-2:hover {
  background-color: #3FA2F6;
  color: #000000;
}

.cta .cta-2 {
  background-color: transparent;
  color: #3FA2F6;
  border: 2px solid #3FA2F6;
  padding: 13px 0;
}

/* Keep buttons together on tablet and phone */
@media (max-width: 1024px) {
  .cta {
    flex-wrap: nowrap; /* keep side by side */
    justify-content: center; /* center horizontally */
  }
}

@media (max-width: 768px) {
  .cta {
    flex-wrap: nowrap; /* keep side by side */
    justify-content: center; /* center horizontally */
    gap: 10px; /* smaller gap on small screens */
  }
}

/* Icons */
.social-icon {
  display: flex;
  align-items: center;
  gap: 25px;
}

.social-icon{
  padding-bottom: 50px;
  padding-top: 50px; /* move further down */
}

.social-icon i {
font-size: 1.2rem;
color: #3FA2F6;
border: 1px solid #3FA2F6;
border-radius: 50px;
padding: 8px;
height: 25px;
width: 25px;
display: flex;
align-items: center;
justify-content: center;
transition: transform 0.12s, box-shadow 0.12s;
cursor: pointer;

}

.social-icon i:hover {
  transform: scale(1.1);
  text-shadow: 0 0 10px #3FA2F6;
}

/* Right section */



/* Animations */
@keyframes fadeIn {
  from{
    transform: translateY(40px);
    opacity: 0;
  }
  to{
    transform: translateY(0);
    opacity: 1;
  }
}

@keyframes fadeInTop {
  from{
    transform: translateY(-100%);
    opacity: 0;
  }
  to{
    transform: translateY(0);
    opacity: 1;
  }
}

@keyframes backgroundZoom {
  from{
    background-size: 80%;
  }
  to{
    background-size: 100%;
  }
}




/* Apply Animations */
h1 {
  animation: fadeIn 1.2s ease-out forwards;
  opacity: 0;
  animation-delay: 0.2s;
}

h3 {
  animation: fadeIn 1.4s ease-out forwards;
  opacity: 0;
  animation-delay: 0.4s;
}

p {
  animation: fadeIn 1.6s ease-out forwards;
  opacity: 0;
  animation-delay: 0.6s;
}
button {
  animation: fadeIn 1.8s ease-out forwards;
  opacity: 0;
  animation-delay: 0.8s;
}

.social-icon {
  animation: fadeIn 2s ease-out forwards;
  opacity: 0;
  animation-delay: 1s;
}

.nav-item,
.left-section {
  animation: fadeInTop 1s ease-in forwards;
  opacity: 0;
}

body {
  animation: backgroundZoom 3s ease-in forwards;
}


/* Navbar */
.my-navbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    background: rgba(63, 162, 246, 0.9); /* initial semi-transparent blue */
    padding: 15px 40px;
    position: relative;
    border-radius: 15px;
    box-shadow: 0 4px 12px rgba(0,0,0,0.15);
    backdrop-filter: blur(5px);
    transition: background 0.3s ease, color 0.3s ease, box-shadow 0.3s ease;
}

/* Hover transparency + thinner blue ring */
.my-navbar:hover {
    background: rgba(63, 162, 246, 0); /* fully transparent */
    box-shadow: 0 0 0 2px #3FA2F6, 0 4px 12px rgba(0,0,0,0.15); /* thinner blue ring */
    animation: pulseRing 1.5s infinite alternate; /* soft pulse animation */
}

/* Pulse animation */
@keyframes pulseRing {
    0% {
        box-shadow: 0 0 0 2px #3FA2F6, 0 4px 12px rgba(0,0,0,0.15);
    }
    100% {
        box-shadow: 0 0 10px 2px #3FA2F6, 0 4px 12px rgba(0,0,0,0.15);
    }
}

/* Logo */
.my-navbar .logo {
    color: var(--text-color);
    text-decoration: none;
    font-weight: 800;
    font-size: 28px;
    transition: color 0.3s ease;
}

/* Links */
.my-navbar .links {
    display: flex;
    gap: 80px; /* hug gap */
}

.my-navbar .links a {
    color: var(--text-color);
    text-decoration: none;
    font-size: 20px;
    font-weight: 700;
    transition: color 0.3s ease;
}

.my-navbar .links a:hover {
  color: rgb(63, 162, 246);
}

/* Navbar button */
.my-navbar .nav-button {
    color: var(--text-color);
    font-size: 1.3rem;
    font-weight: 700;
    padding: 12px 25px;
    border: none;
    border-radius: 25px;
    background-color: #fff;
    transition: background-color 0.2s, color 0.2s;
    cursor: pointer;
}

.my-navbar .nav-button:hover {
    background-color: rgb(63, 162, 246);
    color: white;
}

/* Hamburger */
.my-navbar .toggler {
    display: none;
    flex-direction: column;
    justify-content: space-between;
    width: 35px;
    height: 25px;
    cursor: pointer;
}

.my-navbar .toggler span {
    display: block;
    height: 3px;
    background: var(--text-color);
    border-radius: 3px;
    transition: all 0.3s;
}

/* Animate hamburger to X */
.my-navbar .toggle-checkbox:checked + .toggler span:nth-child(1) {
    transform: rotate(45deg) translate(5px, 5px);
}
.my-navbar .toggle-checkbox:checked + .toggler span:nth-child(2) {
    opacity: 0;
}
.my-navbar .toggle-checkbox:checked + .toggler span:nth-child(3) {
    transform: rotate(-45deg) translate(5px, -5px);
}

/* Hide checkbox */
.my-navbar .toggle-checkbox {
    display: none;
}

/* Responsive */
@media (max-width: 768px) {
    .my-navbar .links {
        position: absolute;
        top: 70px;
        left: 0;
        width: 100%;
        flex-direction: column;
        background: rgba(63, 162, 246, 0.95);
        max-height: 0;
        overflow: hidden;
        transition: max-height 0.5s ease-in-out, background 0.3s ease, box-shadow 0.3s ease;
        gap: 0;
        border-radius: 0 0 15px 15px;
        box-shadow: 0 4px 12px rgba(0,0,0,0.1);
    }

    .my-navbar .links a,
    .my-navbar .nav-button {
        padding: 20px 0;
        text-align: center;
        font-size: 22px;
    }

    .my-navbar .toggle-checkbox:checked ~ .links {
        max-height: 500px;
    }

    .my-navbar .toggler {
        display: flex;
    }

    .my-navbar .nav-button {
        width: 90%;
        margin: 15px auto;
    }
}


/* Carousel */
.carousel-container {
  position: relative;
  max-width: 800px;
  margin: 50px auto;
  overflow: hidden;
  border-radius: 15px;
  box-shadow: 0 5px 15px rgba(0,0,0,0.2);
}

.carousel-slide {
  display: flex;
  transition: transform 0.5s ease-in-out;
}

.carousel-item {
  min-width: 100%;
  position: relative;
  text-align: center;
  background: color: var(--text-color);
}

/* Make images round, smaller, and add shadow */
.carousel-item img {
  width: 45%;              /* smaller size */
  aspect-ratio: 1 / 1;     /* ensures perfect circle */
  object-fit: cover;       /* keeps image from stretching */
  border-radius: 50%;      /* fully round */
  box-shadow: 0 8px 18px rgba(0,0,0,0.25); /* soft outer shadow */
}


/* Upgraded text design */
.caption {
  position: relative;
  margin: 20px auto 30px auto;  /* space above and below */
  max-width: 90%;
  padding: 20px;
  background: rgba(0,0,0,0.55);
  border-radius: 14px;
  color: #fff;
  text-align: center;
  box-shadow: 0 6px 20px rgba(0,0,0,0.4);
  backdrop-filter: blur(4px);
}


/* Title inside caption */
.caption .title {
  font-size: 22px;
  font-weight: 700;
  text-transform: uppercase;
  margin-bottom: 6px;
  letter-spacing: 1px;
}

/* Subtitle inside caption */
.caption .subtitle {
  font-size: 16px;
  font-weight: 400;
  opacity: 0.9;
  line-height: 1.5;
}

/* Navigation arrows only */
.prev, .next {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  background: transparent;
  color: #3FA2F6;
  border: none;
  cursor: pointer;
  font-size: 28px;
  padding: 5px;
  transition: 0.3s ease;
}

.prev:hover, .next:hover {
  color: #3FA2F6;
  text-shadow: 0 0 10px #3FA2F6, 0 0 20px rgba(63,162,246,0.6);
  transform: scale(1.2);
}

.prev {
  left: 10px;
}

.next {
  right: 10px;
}
/* Phone + iPad responsive layout */
@media (max-width: 900px) {

  /* Move text ABOVE the image */
  .carousel-item {
    display: flex;
    flex-direction: column;
    align-items: center;
  }

  .caption {
    order: -1;
    position: relative;
    bottom: auto;
    left: auto;
    transform: none;
    margin: 0 auto 22px auto;
    max-width: 90%;
    padding: 20px;
  }

  /* Make text HUGE */
  .caption .title {
    font-size: 28px;
  }

  .caption .subtitle {
    font-size: 20px;
  }

  /* Make images round + more noticeable */
  .carousel-item img {
    width: 160px;            /* bigger circle */
    height: 160px;
    border-radius: 50%;
    object-fit: cover;
    margin-top: 15px;

    /* Make it pop visually */
    border: 4px solid #3FA2F6;          /* thick border */
    box-shadow: 0 6px 20px rgba(0,0,0,0.35); /* deeper shadow */
  }
}




/* scroll-up */
.scroll-up {
  position: fixed;
  bottom: 25px;
  right: 25px;
  background: linear-gradient(135deg, #3FA2F6, #6BC8FF);
  color: white;
  border: none;
  border-radius: 50%;
  width: 38px;
  height: 38px;
  font-size: 18px;
  cursor: pointer;
  box-shadow: 0 3px 10px rgba(0, 0, 0, 0.25);
  transition: all 0.3s ease;
  opacity: 0;
  visibility: hidden;
  z-index: 1000;
  display: flex;
  justify-content: center;
  align-items: center;
}

/* Hover — elegant glow + ring */
.scroll-up:hover {
  background: transparent;
  color: #3FA2F6;
  border: 2px solid #3FA2F6;
  box-shadow: 0 0 10px #3FA2F6, 0 0 18px rgba(63,162,246,0.6);
  transform: scale(1.15);
  animation: pulse 1.4s infinite alternate;
}

/* Soft glowing pulse */
@keyframes pulse {
  0% { box-shadow: 0 0 6px #3FA2F6; }
  100% { box-shadow: 0 0 14px #3FA2F6; }
}

/* Show button */
.scroll-up.show {
  opacity: 1;
  visibility: visible;
}


/*=============== FOOTER ===============*/
:root {
  --footer-line-color: rgba(0, 0, 0, 0.1); /* light mode */
}

.darkmode {
  --footer-line-color: rgba(255, 255, 255, 0.2); /* dark mode */
}

.footer__container {
  row-gap: 2rem;
  border-top: 1px solid var(--footer-line-color); /* adaptive line */
  padding-bottom: 3rem;
  padding-top: 1rem;
}

.footer__copy {
  text-align: center;
  display: block;
  margin: 3.5rem 0 1rem 0;
  font-size: var(--smaller-font-size);
  color: var(--text-color-light);
}