/* FONTS */
@import url(../css/clash-display.css);

/* VARIABLES */
:root {
    --c-dark: #212529;
    --c-brand: #4e57d4;
    --c-brand-light: #6970dd;
    --c-brand-rgb: 78, 87, 212;
    --c-body: #727272;
    --font-base: "ClashDisplay", sans-serif;
    --box-shadow: 0px 15px 25px rgba(0,0,0,0.08);
    --transition: all 0.5s ease;
    --orange-color: #fa8a1ad9;
    --white-color: #fff;
    --nav-shadow: 0 4px 16px rgba(0,0,0,.3);
    --font-color-primary: #fff;
}

/* RESET & HELPERS */
body {
    font-family: var(--font-base);
    line-height: 1.7;
    color: var(--c-body);
}

/* h1, h2, h3,h4, h5, h6,
.h1, .h2, .h3, .h4, .h5, .h6 {
    font-weight: 600;
    color: var(--c-dark);
} */

a {
    text-decoration: none;
    color: var(--c-brand);
    transition: var(--transition);
}

a:hover {
    color: var(--c-brand-light);
}

img {
    max-width: 100%;
    height: auto;
}

.section-padding {
    padding-top: 140px;
    padding-bottom: 140px;
}

.theme-shadow {
    box-shadow: var(--box-shadow);
}

/* IMAGE ZOOM */
.image-zoom {
    position: relative;
    /* overflow: hidden; */
}

.image-zoom-wrapper {
    overflow: hidden;
    position: relative;
}

.image-zoom-wrapper img{
     transition: var(--transition);
}

.image-zoom:hover .image-zoom-wrapper img {
    transform: scale(1.1);
}


/* NAVBAR */
.nav {
  height: var(--header-height);
  background-color: var(--orange-color);
  padding: 0.5rem 1.5rem;
  border-radius: 4rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  position: relative;
  box-shadow: var(--nav-shadow);
}

/* LOGO */
.nav__logo {
  width: 50px;
  height: 50px;
  background-color: var(--white-color);
  border-radius: 50%;
  display: grid;
  place-items: center;
}

.nav__logo img {
  width: 70%;
  transition: transform .6s;
}

.nav__logo:hover img {
  transform: rotateY(360deg);
}

/* Pastikan navbar punya transisi agar gerakannya mulus */
.navbar {
    position: fixed; /* atau sticky-top */
    top: 0;
    width: 100%;
    transition: transform 0.3s ease-in-out;
    z-index: 1000;
}

/* Class yang akan dipicu oleh JavaScript */
.navbar.hide {
    transform: translateY(-100%);
}

/* MENU DESKTOP CENTER */
@media screen and (min-width: 1150px) {
  .nav__menu {
    position: absolute;
    left: 50%;
    top: 50%;
    transform: translate(-50%, -50%);
  }
}

/* MENU LIST */
.nav__list {
  list-style: none;
  display: flex;
  gap: 3rem;
  margin: 0;
  padding: 0;
}

.nav__link {
  color: var(--white-color);
  text-decoration: none;
  font-weight: 600;
  position: relative;
  overflow: hidden;
  display: grid;
  place-items: center;
}

.nav__link span {
  transition: .4s;
}

.nav__link span:nth-child(2) {
  position: absolute;
  transform: translateY(150%);
}

.nav__link:hover span:nth-child(1) {
  transform: translateY(-150%);
}

.nav__link:hover span:nth-child(2) {
  transform: translateY(0);
}

/* TOGGLE BUTTON */
.nav__toggle {
  width: 32px;
  height: 32px;
  display: grid;
  place-items: center;
  background: none;
  border: none;
  color: var(--white-color);
  font-size: 1.6rem;
  cursor: pointer;
  position: relative;
}

/* Hide toggle on desktop */
@media screen and (min-width: 1150px) {
  .nav__toggle {
    display: none;
  }
}

.nav__burger,
.nav__close {
  position: absolute;
  transition: .3s;
}

.nav__close {
  opacity: 0;
}

/* MOBILE MENU */
@media screen and (max-width: 1149px) {

  .nav__menu {
    position: fixed;
    top: 6rem;
    left: 0;
    right: 0;
    background: #f47830e0;
    margin: 0 2rem;
    padding: 3rem 0;
    border-radius: 2rem;
    text-align: center;
    opacity: 0;
    pointer-events: none;
    transform: translateY(-20px);
    transition: .4s;
  }

  .nav__list {
    flex-direction: column;
    gap: 2rem;
  }

  .show-menu {
    opacity: 1;
    pointer-events: auto;
    transform: translateY(0);
  }
}

/* Toggle animation */
.show-icon .nav__burger {
  opacity: 0;
  transform: rotate(90deg);
}

.show-icon .nav__close {
  opacity: 1;
  transform: rotate(90deg);
}

/* BTN */
.btn {
    font-weight: 600;
    font-size: 14px;
    text-transform: uppercase;
    border-radius: 0;
    padding: 10px 24px;
}

.btn-brand {
    background-color: var(--c-brand);
    border-color: var(--c-brand);
    color: white;
}

.btn-brand:hover {
    background-color: var(--c-brand-light);
    border-color: var(--c-brand-light);
    color: white;
}



/* ========= HERO ============ */
.hero{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:40px;
  padding:80px;
  animation:fadeIn 1s ease;
}

.hero-left{
  flex:1;
}

.hero-left h1{
  font-size:42px;
  margin-bottom:20px;
}

.hero-left p{
  font-size:18px;
  color:#555;
  margin-bottom:30px;
}

.hero-buttons{
  display:flex;
  gap:15px;
}

.btn-outline{
  padding:12px 24px;
  border:2px solid #000;
  background:transparent;
  border-radius:30px;
  cursor:pointer;
  transition:all 0.3s ease;
}

.btn-outline:hover{
  background:#2f6df6;
  color:#fff;
  border-color:#2f6df6;
  transform:scale(1.08);
  box-shadow:0 8px 20px rgba(47,109,246,0.4);
}

.btn-primary{
  padding:12px 24px;
  border:none;
  background:#2f6df6;
  color:#fff;
  border-radius:30px;
  cursor:pointer;
}

.hero-right{
  flex:1;
  position:relative;
}

.hero-video{
  width:100%;
  border-radius:12px;
}

.play-overlay{
  position:absolute;
  top:50%;
  left:50%;
  transform:translate(-50%,-50%);
  width:70px;
  height:70px;
  border-radius:50%;
  border:none;
  background:rgba(0,0,0,0.6);
  color:#fff;
  font-size:28px;
  cursor:pointer;
  display:block;
}

.play-overlay.show{
  display:block;
}

/* Fade effect */
@keyframes fadeIn{
  from{
    opacity:0;
    transform:translateY(20px);
  }
  to{
    opacity:1;
    transform:translateY(0);
  }
}

/* ===== features ===== */

.features{
  padding:80px;
}

.features-title{
  text-align:center;
  margin-bottom:40px;
  font-size:clamp(18px,3vw,26px);
  padding:0 10px;
}

/* ===== Grid Layout ===== */

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

/* ===== Card ===== */

.card{
  position:relative;
  overflow:hidden;
  border-radius:14px;
  cursor:pointer;
}

.card img{
  width:100%;
  height:100%;
  object-fit:cover;
  display:block;
  transition:transform 0.4s ease;
}

/* overlay glass */

.card::after{
  content:"";
  position:absolute;
  inset:0;
  background:rgba(0,0,0,0);
  backdrop-filter:blur(0px);
  transition:all 0.3s ease;
}

/* title */

.card-content{
  position:absolute;
  bottom:20px;
  left:20px;
  right:20px;
  color:white;
  font-size:clamp(13px,2vw,18px);
  font-weight:600;
  z-index:2;
  opacity:0.9;
  line-height:1.3;
}

/* ===== Hover Effect ===== */

.card:hover img{
  transform:scale(1.1);
}

.card:hover::after{
  background:rgba(0,0,0,0.35);
  backdrop-filter:blur(3px);
}

/* ===== Tablet ===== */

@media (max-width:1024px){

  .features{
    padding:60px 30px;
  }

  .features-grid{
    grid-template-columns:repeat(2,1fr);
  }

}

/* ===== Mobile ===== */

@media (max-width:600px){

  .features{
    padding:40px 20px;
  }

  .features-grid{
    grid-template-columns:1fr;
  }

}

/* ===== SECTION COURSE BACKGROUND ===== */

.course-section{
  text-align:center;
  padding:120px 20px;

  background:linear-gradient(
    to bottom,
    #ffffff 0%,
    #f478308b 40%,
    #F47930 100%
  );
}

/* ===== TITLE ===== */

.course-section h2{
  font-size:26px;
  margin-bottom:10px;
}

.course-subtitle{
  font-size:14px;
  margin-bottom:40px;
  color:#333;
}

/* ===== CARD ===== */

.course-card{
  max-width:1000px;
  margin:auto;
  border-radius:12px;
  overflow:hidden;
  background:#fff;
  box-shadow:0 15px 40px rgba(0,0,0,0.15);
  transition:transform 0.3s ease;
}

.course-card img{
  width:100%;
  display:block;
}

/* hover sedikit floating */

.course-card:hover{
  transform:translateY(-8px);
}

/* ===== Scroll Fade Animation ===== */

.fade-section{
  opacity:0;
  transform: translateY(40px);
  transition: all 0.9s ease;
}

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

/* FOOTER */
footer {
    position: relative;
    width: 100%;
    background: #F47930;
    min-height: 100px;
    display: flex;
    justify-content: center;
    align-items: center;
    flex-direction: column;
    padding: 10px 0;
    margin-top: 100px;
}

footer .social_icons, footer .menu {
    list-style: none;
    position: relative;
    display: flex;
    justify-content: center;
    align-items: center;
    margin: 10px 0;
    flex-wrap: wrap;
}

footer .social_icons li a {
    font-size: 2em;
    color: #fff;
    margin: 0 10px;
    transition: .5s;
    display: inline-block;
}

footer .social_icons li a:hover {
    transform: translateY(-10px);
}

footer .menu li a {
    font-size: 1.2em;
    color: #fff;
    margin: 0 10px;
    display: inline-block;
    text-decoration: none;
    opacity: .75;
}

footer .menu li a:hover {
    opacity: 1;
}

footer p {
    margin-top: 15px;
    margin-bottom: 10px;
    color: #fff;
    font-size: 1.1em;
    text-align: center;
}

footer .wave {
    position: absolute;
    top: -90px;
    left: 0;
    height: 100px;
    width: 100%;
    background: url('../images/wave.png');
    background-size: 1000px 100px;
}

footer .wave#wave1 {
    z-index: 1000;
    opacity: 1;
    bottom: 0;
    animation: animateWave 4s linear infinite;
}

footer .wave#wave2 {
    z-index: 999;
    opacity: .5;
    bottom: 10px;
    animation: animateWave_02 4s linear infinite;
}

footer .wave#wave3 {
    z-index: 1000;
    opacity: .2;
    bottom: 15px;
    animation: animateWave 3s linear infinite;
}

footer .wave#wave4 {
    z-index: 999;
    opacity: .7;
    bottom: 20px;
    animation: animateWave_02 3s linear infinite;
}

@keyframes animateWave {
    0% {
        background-position-x: 1000px;
    }

    100% {
        background-position-x: 0px;
    }
}

@keyframes animateWave_02 {
    0% {
        background-position-x: 0px;
    }

    100% {
        background-position-x: 1000px;
    }
}

/* ================= GLOBAL MOBILE OPTIMIZATION ================= */
@media (max-width: 768px) {
    /* 1. Navbar padding fix */
    .nav {
        padding: 0.5rem 1rem !important;
    }
    .nav__logo {
        width: 40px !important;
        height: 40px !important;
    }

    /* 2. Hero Section (Video di Atas) */
    .hero {
        flex-direction: column-reverse !important; /* Memaksa panel Kanan (Video) ke Atas */
        padding: 30px 15px !important;
        margin-top: 60px !important;
        text-align: center;
    }
    .hero-left h1 {
        font-size: 24px !important;
        line-height: 1.2 !important;
        margin-bottom: 20px !important;
    }
    .hero-left p {
        font-size: 15px !important;
        margin-bottom: 25px !important;
    }
    .hero-buttons {
        justify-content: center !important;
    }
    .hero-video {
        width: 100% !important;
        margin-bottom: 20px !important;
    }

    /* 3. Footer Fix */
    footer {
        margin-top: 60px !important;
        padding: 40px 10px 20px 10px !important;
        min-height: auto !important;
    }
    footer p {
        font-size: 13px !important;
    }
}