/* ---- CSS VARIABLES (Light Mode) ---- */
:root {
    --bg-main: #ffffff;
    --bg-alt: #f5f5f5;
    --bg-card: #ffffff;
    --text-main: #1e1e2a;
    --text-muted: #4a4a5a;
    --orange-primary: #ff7a00;
    --orange-hover: #e06a00;
    --border-color: #e0e0e0;
    --nav-bg: rgba(255, 255, 255, 0.96);
    --shadow: 0 8px 30px rgba(0, 0, 0, 0.06);
    --card-shadow: 0 12px 28px rgba(0, 0, 0, 0.04);
}

/* ---- DARK MODE ---- */
[data-theme="dark"] {
    --bg-main: #0f0f1a;
    --bg-alt: #191925;
    --bg-card: #1c1c2e;
    --text-main: #f0f0f5;
    --text-muted: #b0b0c8;
    --border-color: #2d2d44;
    --nav-bg: rgba(15, 15, 26, 0.96);
    --shadow: 0 8px 30px rgba(0, 0, 0, 0.6);
    --card-shadow: 0 12px 28px rgba(0, 0, 0, 0.5);
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Poppins', sans-serif;
}

html {
    scroll-behavior: smooth;
}

body {
    background-color: var(--bg-main);
    color: var(--text-main);
    line-height: 1.6;
    transition: background-color 0.3s ease, color 0.3s ease;
}

/* Utility */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

.highlight {
    color: var(--orange-primary);
}

.alt-bg {
    background-color: var(--bg-alt);
}

.section-title {
    text-align: center;
    font-size: 2.6rem;
    font-weight: 700;
    margin-bottom: 3rem;
}

/* Scroll reveal */
.reveal {
    opacity: 0;
    transform: translateY(40px);
    transition: all 0.8s ease-out;
}

.reveal.active {
    opacity: 1;
    transform: translateY(0);
}

/* Buttons */
.btn {
    padding: 12px 32px;
    border-radius: 40px;
    text-decoration: none;
    font-weight: 600;
    transition: all 0.25s ease;
    display: inline-block;
    border: none;
    cursor: pointer;
    font-size: 1rem;
}

.btn-primary,
.btn-register {
    background: var(--orange-primary);
    color: #fff;
    box-shadow: 0 8px 20px rgba(255, 122, 0, 0.3);
}

.btn-primary:hover,
.btn-register:hover {
    background: var(--orange-hover);
    transform: translateY(-3px);
    box-shadow: 0 12px 28px rgba(255, 122, 0, 0.5);
}

/* Add this to your Navbar section in style.css */
.nav-links a.active {
    color: var(--orange-primary);
    font-weight: 700;
}

.btn-outline {
    background: transparent;
    border: 2px solid var(--orange-primary);
    color: var(--orange-primary);
}

.btn-outline:hover {
    background: var(--orange-primary);
    color: #fff;
}

/* ---- NAVBAR ---- */
nav {
    position: fixed;
    top: 0;
    width: 100%;
    background: var(--nav-bg);
    backdrop-filter: blur(12px);
    z-index: 999;
    border-bottom: 1px solid var(--border-color);
    transition: box-shadow 0.3s;
}

.nav-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 12px 5%;
    max-width: 1400px;
    margin: 0 auto;
}

.logo {
    font-size: 1.7rem;
    font-weight: 700;
    color: var(--text-main);
}

.logo span {
    color: var(--orange-primary);
}

.nav-links {
    display: flex;
    list-style: none;
    gap: 28px;
}

.nav-links a {
    color: var(--text-main);
    text-decoration: none;
    font-weight: 600;
    transition: color 0.2s;
}

.nav-links a:hover {
    color: var(--orange-primary);
}

.nav-actions {
    display: flex;
    align-items: center;
    gap: 16px;
}

.theme-btn {
    background: transparent;
    border: none;
    color: var(--text-main);
    font-size: 1.5rem;
    cursor: pointer;
    transition: color 0.2s;
}

.theme-btn:hover {
    color: var(--orange-primary);
}

.hamburger {
    display: none;
    cursor: pointer;
    flex-direction: column;
    gap: 5px;
}

.hamburger div {
    width: 28px;
    height: 3px;
    background: var(--text-main);
    transition: 0.3s;
    border-radius: 4px;
}

/* ---- KEYFRAMES FOR ENROLL NOW BUTTON ---- */
@keyframes popupZoom {
    0% {
        transform: scale(1);
        box-shadow: 0 10px 30px rgba(255, 122, 0, 0.45);
    }

    50% {
        transform: scale(1.08);
        box-shadow: 0 15px 40px rgba(255, 122, 0, 0.65);
    }

    100% {
        transform: scale(1);
        box-shadow: 0 10px 30px rgba(255, 122, 0, 0.45);
    }
}

/* ---- FIXED REGISTER BUTTON (floating) ---- */
.fixed-register {
    position: fixed;
    bottom: 30px;
    right: 30px;
    z-index: 9999;
    background: var(--orange-primary);
    color: #fff;
    padding: 14px 32px;
    border-radius: 60px;
    font-weight: 700;
    font-size: 1.1rem;
    box-shadow: 0 10px 30px rgba(255, 122, 0, 0.45);
    display: flex;
    align-items: center;
    gap: 12px;
    border: none;
    cursor: pointer;
    transition: all 0.25s ease;
    text-decoration: none;
    animation: popupZoom 2s infinite ease-in-out;
}

.fixed-register i {
    font-size: 1.3rem;
}

.fixed-register:hover {
    animation: none;
    transform: scale(1.08) translateY(-4px);
    box-shadow: 0 16px 40px rgba(255, 122, 0, 0.6);
    background: var(--orange-hover);
}

.fixed-register .price-tag {
    display: flex;
    align-items: center;
    gap: 6px;
    background: rgba(0, 0, 0, 0.15);
    padding: 4px 14px 4px 12px;
    border-radius: 40px;
}

.fixed-register .price-tag .strike {
    text-decoration: line-through;
    font-weight: 400;
    opacity: 0.8;
    font-size: 0.9rem;
}

.fixed-register .price-tag .offer {
    font-weight: 700;
    font-size: 1.2rem;
}

/* ---- HERO / HOME ---- */
#home {
    min-height: 100vh;
    padding: 140px 0 80px;
    display: flex;
    align-items: center;
    background: var(--bg-main);
}

.hero-wrapper {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 50px;
}

.hero-text {
    flex: 1 1 500px;
}

.hero-text h1 {
    font-size: 3.4rem;
    font-weight: 800;
    line-height: 1.2;
    margin-bottom: 18px;
}

.hero-text h1 .highlight {
    background: linear-gradient(145deg, #ff7a00, #ff9a3c);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-text p {
    font-size: 1.15rem;
    color: var(--text-muted);
    max-width: 550px;
    margin-bottom: 25px;
}

/* ---- IN-PAGE OFFER POPUP (HERO BOX) ---- */
@keyframes blinker {
    50% {
        opacity: 0;
    }
}

.hero-offer-box {
    background: var(--bg-card);
    border: 2px dashed var(--orange-primary);
    border-radius: 16px;
    padding: 22px 25px;
    margin-bottom: 30px;
    box-shadow: var(--card-shadow);
    position: relative;
}

.offer-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: #ffe5d9;
    color: #d84315;
    padding: 6px 14px;
    border-radius: 30px;
    font-size: 0.85rem;
    font-weight: 700;
    margin-bottom: 15px;
}

[data-theme="dark"] .offer-badge {
    background: rgba(255, 122, 0, 0.15);
    color: #ff9a3c;
}

.offer-badge .blink {
    width: 8px;
    height: 8px;
    background: #d84315;
    border-radius: 50%;
    animation: blinker 1.2s linear infinite;
}

[data-theme="dark"] .offer-badge .blink {
    background: #ff9a3c;
}

.offer-pricing {
    display: flex;
    align-items: baseline;
    gap: 12px;
    margin-bottom: 18px;
}

.offer-pricing .offer-new {
    font-size: 2.2rem;
    font-weight: 800;
    color: var(--orange-primary);
    line-height: 1;
}

.offer-pricing .offer-new small {
    font-size: 1rem;
    font-weight: 500;
    color: var(--text-muted);
}

.offer-pricing .offer-old {
    font-size: 1.1rem;
    text-decoration: line-through;
    color: var(--text-muted);
    font-weight: 500;
}

.offer-perks {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 12px;
    list-style: none;
}

.offer-perks li {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 0.95rem;
    font-weight: 500;
    color: var(--text-main);
}

.offer-perks li i {
    color: var(--orange-primary);
    font-size: 1.1rem;
    width: 20px;
    text-align: center;
}

.hero-buttons {
    display: flex;
    flex-wrap: wrap;
    gap: 16px;
}

/* Poster image */
.hero-poster {
    flex: 1 1 400px;
    display: flex;
    justify-content: center;
    align-items: center;
}

.poster-card {
    background: var(--bg-card);
    border-radius: 28px;
    padding: 20px 20px 25px;
    box-shadow: var(--card-shadow);
    border: 1px solid var(--border-color);
    max-width: 440px;
    width: 100%;
    transition: transform 0.3s ease;
}

.poster-card:hover {
    transform: scale(1.01);
}

.poster-img {
    width: 100%;
    height: auto;
    border-radius: 20px;
    display: block;
    background: #2a2a3a;
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.2);
}

.poster-badge {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-top: 16px;
    padding: 0 6px;
}

.poster-badge .chip {
    background: var(--orange-primary);
    color: #fff;
    font-weight: 600;
    padding: 6px 18px;
    border-radius: 40px;
    font-size: 0.85rem;
    border: none;
}

.poster-badge .price-block {
    display: flex;
    align-items: center;
    gap: 10px;
    font-weight: 700;
}

.poster-badge .price-block .strike {
    text-decoration: line-through;
    color: var(--text-muted);
    font-weight: 400;
    font-size: 0.95rem;
}

.poster-badge .price-block .offer {
    color: var(--orange-primary);
    font-size: 1.4rem;
}

/* ---- OTHER SECTIONS ---- */
.page-section {
    padding: 100px 0 80px;
}

/* About */
.about-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: 30px;
}

.about-card {
    background: var(--bg-card);
    padding: 40px 30px;
    border-radius: 20px;
    text-align: center;
    box-shadow: var(--card-shadow);
    border: 1px solid var(--border-color);
    transition: transform 0.25s;
}

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

.card-icon {
    font-size: 3rem;
    color: var(--orange-primary);
    margin-bottom: 20px;
}

.about-card h3 {
    font-size: 1.4rem;
    margin-bottom: 12px;
}

.about-card p {
    color: var(--text-muted);
}

/* Syllabus */
.syllabus-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 20px;
}

.syllabus-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 25px;
}

.syllabus-card {
    background: var(--bg-card);
    padding: 28px 24px;
    border-radius: 18px;
    box-shadow: var(--card-shadow);
    border-left: 6px solid var(--orange-primary);
    border-top: 1px solid var(--border-color);
    border-right: 1px solid var(--border-color);
    border-bottom: 1px solid var(--border-color);
    transition: transform 0.2s;
}

.syllabus-card:hover {
    transform: scale(1.02);
}

.chapter-badge {
    background: var(--orange-primary);
    color: #fff;
    padding: 4px 16px;
    border-radius: 40px;
    font-size: 0.75rem;
    font-weight: 700;
    display: inline-block;
    margin-bottom: 12px;
    letter-spacing: 0.5px;
}

.syllabus-card h3 {
    margin-bottom: 14px;
    font-size: 1.25rem;
}

.syllabus-card ul {
    list-style: none;
}

.syllabus-card ul li {
    color: var(--text-muted);
    margin-bottom: 10px;
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 0.95rem;
}

.syllabus-card ul li i {
    color: var(--orange-primary);
}

/* Contact */
.contact-wrapper {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 50px;
    background: var(--bg-card);
    padding: 40px 45px;
    border-radius: 24px;
    box-shadow: var(--card-shadow);
    border: 1px solid var(--border-color);
}

.contact-info h3 {
    font-size: 1.6rem;
    margin-bottom: 20px;
}

.contact-info p {
    color: var(--text-muted);
    margin-bottom: 16px;
    display: flex;
    align-items: center;
    gap: 14px;
    font-size: 1.05rem;
}

.contact-info p i {
    color: var(--orange-primary);
    width: 24px;
}

.contact-form {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.contact-form input,
.contact-form textarea {
    padding: 14px 18px;
    background: var(--bg-main);
    border: 1px solid var(--border-color);
    border-radius: 14px;
    color: var(--text-main);
    font-size: 1rem;
    transition: 0.2s;
}

.contact-form input:focus,
.contact-form textarea:focus {
    outline: none;
    border-color: var(--orange-primary);
    box-shadow: 0 0 0 3px rgba(255, 122, 0, 0.15);
}

footer {
    text-align: center;
    padding: 32px;
    background: #0a0a12;
    color: #b0b0c8;
    font-size: 0.95rem;
    border-top: 1px solid #222;
}

/* ---- MOBILE & RESPONSIVENESS ---- */
@media screen and (max-width: 900px) {
    .nav-links {
        position: absolute;
        top: 70px;
        right: 0;
        width: 100%;
        background: var(--nav-bg);
        flex-direction: column;
        align-items: center;
        padding: 40px 0;
        transform: translateX(100%);
        transition: 0.35s ease;
        backdrop-filter: blur(12px);
        border-bottom: 1px solid var(--border-color);
    }

    .nav-links.nav-active {
        transform: translateX(0);
    }

    .hamburger {
        display: flex;
    }

    .btn-register {
        display: none;
    }

    .hero-text h1 {
        font-size: 2.8rem;
    }

    .hero-wrapper {
        flex-direction: column;
        text-align: center;
        padding-top: 20px;
    }

    .hero-text p {
        margin-left: auto;
        margin-right: auto;
    }

    /* Center the offer box in mobile */
    .hero-offer-box {
        margin: 0 auto 30px auto;
        max-width: 450px;
        text-align: left;
        /* Keep internal text left aligned */
    }

    .hero-buttons {
        justify-content: center;
    }

    .syllabus-header {
        justify-content: center;
        text-align: center;
        flex-direction: column;
    }

    .contact-wrapper {
        grid-template-columns: 1fr;
        padding: 30px 20px;
    }

    .fixed-register {
        bottom: 20px;
        right: 20px;
        padding: 12px 22px;
        font-size: 0.95rem;
    }

    .fixed-register .price-tag .strike {
        font-size: 0.8rem;
    }

    .fixed-register .price-tag .offer {
        font-size: 1rem;
    }

    .poster-card {
        max-width: 100%;
    }
}

@media screen and (max-width: 480px) {
    .hero-text h1 {
        font-size: 2.2rem;
    }

    .section-title {
        font-size: 2rem;
    }

    /* Make offer perks stack vertically on very small screens */
    .offer-perks {
        grid-template-columns: 1fr;
    }

    .offer-pricing .offer-new {
        font-size: 2rem;
    }
}