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

html {
    scroll-behavior: smooth;
}

body {
    font-family: Arial, Helvetica, sans-serif;
    color: #172033;
    background: #ffffff;
    line-height: 1.6;
}

.container {
    width: min(1140px, 92%);
    margin: auto;
}

.site-header {
    position: fixed;
    width: 100%;
    top: 0;
    z-index: 1000;
    background: rgba(255, 255, 255, 0.96);
    backdrop-filter: blur(12px);
    border-bottom: 1px solid rgba(0, 0, 0, 0.08);
}

.nav-wrap {
    height: 72px;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.brand {
    display: flex;
    align-items: center;
    gap: 12px;
}

.brand-logo {
    width: 44px;
    height: 44px;
    background: #0b5ed7;
    color: #ffffff;
    border-radius: 12px;
    display: grid;
    place-items: center;
    font-weight: 700;
}

.brand h3 {
    font-size: 18px;
    line-height: 1.1;
}

.brand p {
    font-size: 12px;
    color: #667085;
}

.nav-menu {
    display: flex;
    gap: 24px;
}

.nav-menu a {
    color: #172033;
    text-decoration: none;
    font-size: 15px;
    font-weight: 600;
}

.nav-menu a:hover {
    color: #0b5ed7;
}

.menu-btn {
    display: none;
    border: none;
    background: #0b5ed7;
    color: #ffffff;
    padding: 8px 12px;
    border-radius: 8px;
    font-size: 22px;
}

.hero {
    min-height: 100vh;
    padding-top: 92px;
    position: relative;
    overflow: hidden;
    color: #ffffff;
    display: flex;
    align-items: center;
}

.hero-slider,
.slide,
.hero-overlay {
    position: absolute;
    inset: 0;
}

.hero-slider {
    z-index: 1;
}

.slide {
    background-size: cover;
    background-position: center;
    opacity: 0;
    transform: scale(1.04);
    transition: opacity 1s ease-in-out;
}

.slide.active {
    opacity: 1;
}

.slide-one {
    background-image:
        linear-gradient(135deg, rgba(5, 19, 38, 0.45), rgba(11, 94, 215, 0.25)),
        url("https://images.unsplash.com/photo-1558494949-ef010cbdcc31?auto=format&fit=crop&w=1600&q=80");
}

.slide-two {
    background-image:
        linear-gradient(135deg, rgba(5, 19, 38, 0.45), rgba(11, 94, 215, 0.25)),
        url("https://images.unsplash.com/photo-1516321318423-f06f85e504b3?auto=format&fit=crop&w=1600&q=80");
}

.slide-three {
    background-image:
        linear-gradient(135deg, rgba(5, 19, 38, 0.45), rgba(11, 94, 215, 0.25)),
        url("https://images.unsplash.com/photo-1518770660439-4636190af475?auto=format&fit=crop&w=1600&q=80");
}

.hero-overlay {
    background: rgba(4, 12, 28, 0.68);
    z-index: 2;
}

.hero-content {
    position: relative;
    z-index: 3;
    display: grid;
    grid-template-columns: 1.3fr 0.7fr;
    gap: 45px;
    align-items: center;
}

.badge {
    display: inline-block;
    background: rgba(255, 255, 255, 0.12);
    border: 1px solid rgba(255, 255, 255, 0.25);
    padding: 8px 14px;
    border-radius: 999px;
    font-size: 14px;
    margin-bottom: 18px;
}

.hero h1 {
    font-size: clamp(36px, 5vw, 62px);
    line-height: 1.08;
    margin-bottom: 18px;
}

.hero-desc {
    font-size: 18px;
    max-width: 760px;
    color: #e7edf8;
    margin-bottom: 28px;
}

.hero-actions {
    display: flex;
    gap: 14px;
    flex-wrap: wrap;
}

.btn {
    display: inline-block;
    padding: 13px 22px;
    border-radius: 10px;
    text-decoration: none;
    font-weight: 700;
}

.btn.primary {
    background: #0b5ed7;
    color: #ffffff;
}

.btn.whatsapp {
    background: #25d366;
    color: #ffffff;
}

.profile-card {
    background: rgba(255, 255, 255, 0.96);
    color: #172033;
    border-radius: 22px;
    padding: 22px;
    box-shadow: 0 20px 50px rgba(0, 0, 0, 0.28);
    text-align: center;
}

.profile-img-wrap {
    width: 100%;
    height: 330px;
    border-radius: 18px;
    overflow: hidden;
    background: #eef2f7;
    margin-bottom: 16px;
}

.profile-img-wrap img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center 18%;
    display: block;
}

.profile-card h2 {
    font-size: 24px;
}

.profile-card p {
    color: #667085;
    margin-bottom: 12px;
}

.quick-info {
    display: grid;
    gap: 7px;
    font-size: 14px;
    color: #344054;
}

.section {
    padding: 76px 0;
}

.light {
    background: #f6f8fb;
}

.dark {
    background: #081426;
    color: #ffffff;
}

.grid-2,
.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 34px;
    align-items: start;
}

.section-label {
    color: #0b5ed7;
    font-weight: 800;
    text-transform: uppercase;
    letter-spacing: 1.2px;
    font-size: 13px;
    margin-bottom: 8px;
}

.center {
    text-align: center;
}

.section h2 {
    font-size: clamp(28px, 4vw, 40px);
    margin-bottom: 16px;
    line-height: 1.2;
}

.about-section p {
    margin-bottom: 12px;
    color: #475467;
}

.highlight-box {
    background: #ffffff;
    border: 1px solid #e4e7ec;
    border-radius: 18px;
    padding: 24px;
    box-shadow: 0 8px 22px rgba(16, 24, 40, 0.06);
}

.highlight-box h3 {
    margin-bottom: 14px;
}

.tag-list,
.training-grid,
.why-grid {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
}

.tag-list span,
.training-grid span {
    background: #eef4ff;
    color: #0b5ed7;
    padding: 9px 12px;
    border-radius: 999px;
    font-weight: 700;
    font-size: 14px;
}

.cards {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 18px;
    margin-top: 30px;
}

.card {
    background: #ffffff;
    border: 1px solid #e4e7ec;
    border-radius: 18px;
    padding: 22px;
    box-shadow: 0 8px 22px rgba(16, 24, 40, 0.06);
}

.card h3 {
    margin-bottom: 10px;
    color: #0b5ed7;
}

.card p {
    color: #475467;
    font-size: 15px;
}

.training-grid {
    margin-top: 28px;
    justify-content: center;
}

.class-types {
    margin-top: 28px;
    padding: 18px;
    border-radius: 16px;
    background: #f6f8fb;
    display: flex;
    gap: 10px;
    flex-wrap: wrap;
    justify-content: center;
}

.class-types span {
    background: #ffffff;
    border: 1px solid #e4e7ec;
    padding: 8px 11px;
    border-radius: 999px;
    font-size: 14px;
}

.skill-list {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 18px;
    margin-top: 28px;
}

.skill-list div {
    background: rgba(255, 255, 255, 0.08);
    border: 1px solid rgba(255, 255, 255, 0.14);
    border-radius: 18px;
    padding: 22px;
}

.skill-list h3 {
    margin-bottom: 8px;
    color: #9fc5ff;
}

.skill-list p {
    color: #d6e3f5;
}

.why-grid {
    margin-top: 28px;
    justify-content: center;
}

.why-grid div {
    background: #ffffff;
    border: 1px solid #e4e7ec;
    padding: 14px 18px;
    border-radius: 14px;
    font-weight: 700;
    box-shadow: 0 8px 22px rgba(16, 24, 40, 0.05);
}

.contact-details {
    margin-top: 20px;
    background: #ffffff;
    padding: 20px;
    border-radius: 16px;
    border: 1px solid #e4e7ec;
}

.contact-details p {
    margin-bottom: 7px;
}

.inquiry-form {
    background: #ffffff;
    border: 1px solid #e4e7ec;
    border-radius: 20px;
    padding: 24px;
    display: grid;
    gap: 14px;
    box-shadow: 0 8px 22px rgba(16, 24, 40, 0.06);
}

.inquiry-form input,
.inquiry-form select,
.inquiry-form textarea {
    width: 100%;
    padding: 13px 14px;
    border: 1px solid #d0d5dd;
    border-radius: 10px;
    font-size: 15px;
    outline: none;
}

.inquiry-form input:focus,
.inquiry-form select:focus,
.inquiry-form textarea:focus {
    border-color: #0b5ed7;
}

.inquiry-form button {
    border: none;
    background: #25d366;
    color: #ffffff;
    padding: 14px;
    border-radius: 10px;
    font-size: 16px;
    font-weight: 800;
    cursor: pointer;
}

footer {
    background: #06101f;
    color: #ffffff;
    padding: 24px 0;
}

.footer-content {
    display: flex;
    justify-content: space-between;
    gap: 16px;
    align-items: center;
}

.footer-content a {
    color: #25d366;
    text-decoration: none;
    font-weight: 800;
}

.floating-whatsapp {
    position: fixed;
    right: 18px;
    bottom: 18px;
    background: #25d366;
    color: #ffffff;
    padding: 12px 16px;
    border-radius: 999px;
    text-decoration: none;
    font-weight: 800;
    box-shadow: 0 12px 28px rgba(0, 0, 0, 0.28);
    z-index: 1000;
}

@media (max-width: 980px) {
    .hero-content,
    .grid-2,
    .contact-grid {
        grid-template-columns: 1fr;
    }

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

    .profile-card {
        max-width: 430px;
        margin: auto;
    }
}

@media (max-width: 720px) {
    .menu-btn {
        display: block;
    }

    .nav-menu {
        position: absolute;
        top: 72px;
        left: 0;
        right: 0;
        background: #ffffff;
        flex-direction: column;
        padding: 18px 24px;
        border-bottom: 1px solid #e4e7ec;
        display: none;
    }

    .nav-menu.active {
        display: flex;
    }

    .hero {
        padding-top: 95px;
        min-height: auto;
        padding-bottom: 48px;
    }

    .hero-content {
        gap: 28px;
    }

    .profile-img-wrap {
        height: 300px;
    }

    .cards,
    .skill-list {
        grid-template-columns: 1fr;
    }

    .section {
        padding: 56px 0;
    }

    .footer-content {
        flex-direction: column;
        text-align: center;
    }
}

.btn.portfolio {
    background: #ffffff;
    color: #0b5ed7;
}

.btn.portfolio:hover {
    background: #eef4ff;
}