html {
    scroll-behavior: smooth;
}
body {
  overflow-x: hidden;
}
button, a, .card, .lp-item, .tool-card {
  transition: all 0.25s ease;
}

/* The Modal (background) */
.modal {
    display: none;
    /* Hidden by default */
    position: fixed;
    /* Stay in place */
    z-index: 1;
    /* Sit on top */
    padding-top: 100px;
    /* Location of the box */
    left: 0;
    top: 0;
    width: 100%;
    /* Full width */
    height: 100%;
    /* Full height */
    overflow: auto;
    /* Enable scroll if needed */
    background-color: rgb(0, 0, 0);
    /* Fallback color */
    background-color: rgba(0, 0, 0, 0.4);
    /* Black w/ opacity */
}

/* Modal Content */
.modal-content {
    background-color: #fefefe;
    margin: auto;
    padding: 10px;
    border: 1px solid #888;
    width: 80%;

    display: flex;
    flex-direction: row;
    justify-content: space-between;
    align-items: center;
}

.modal-content p {
    margin-top: 10px;
    align-self: center;
}

/* The Close Button */
.close {
    color: #aaa;
    float: right;
    font-size: 28px;
    font-weight: bold;
}

.close:hover,
.close:focus {
    color: black;
    text-decoration: none;
    cursor: pointer;
}

#btn {
    height: 40px;
    width: 200px;
    border-radius: 5px;
    background-color: #06bbcc;
    border: none;



}

.btn2 {
    color: white;
    font-weight: bolder;
    text-decoration: none;
}

/* new css  */

@keyframes scaleIn {
  from { transform: scale(0.9); opacity: 0; }
  to { transform: scale(1); opacity: 1; }
}
/* header  */
/* ===== HEADER FIX OVERRIDE (SAFE) ===== */
.dten-header-contact > .container {
  height: auto !important;        /* override old 65vh */
  min-height: 65vh;               /* keep design feel */
  padding: 25px 0;                /* proper spacing */
  flex-wrap: wrap;                /* prevent overflow */
  align-items: center;
}
.dten-header-contact {
  position: relative;
}
.dten-header-contact::before {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(90deg, rgba(0,0,0,0.3), rgba(0,0,0,0.1));
  z-index: 1;
}

.dten-header-contact .container {
  position: relative;
  z-index: 2;
  
}
 @media (max-width: 1102px) {
  .dten-header-contact > .container {
    flex-direction: column;
    text-align: center;
    height: auto; /* VERY IMPORTANT */
    padding: 40px 0;
  }

  .data-engineering-course-heading {
    width: 100%;
  }
  .dten-header-contact > .container {
    flex-direction: column;
    text-align: center;
    height: auto; /* VERY IMPORTANT */
    padding: 40px 0;
  }

  .data-engineering-course-heading {
    width: 100%;
  }
}

@media (max-width: 768px) {
  .dten-header-contact h1 {
    font-size: 28px;
  }

  .data-engineering-course-heading p {
    font-size: 14px;
  }
}
/* feature data engineering  */

.features-data-engineering-content {
  text-align: center;
  transition: all 0.3s ease;
  padding: 10px;
}

.features-data-engineering-content:hover {
  transform: translateY(-5px);
}
.features-data-engineering-content img {
  margin-bottom: 10px;
}

/* h2 heading for all sections  */

/* ===== LEARNING PATH V2 ===== */
/* ===== WRAPPER ===== */
.learning-path-v3 .lp-wrapper {
    width: 75%;
    margin: auto;
    padding: 40px;

    border-radius: 20px;

    background: linear-gradient(135deg, #f8fbff, #eef5ff);

    box-shadow:
        0 20px 50px rgba(13, 110, 253, 0.15),
        inset 0 1px 0 rgba(255, 255, 255, 0.6);
}

/* ROW */
.lp-row {
    display: flex;
    justify-content: center;
    align-items: center;
    flex-wrap: wrap;
    gap: 40px;
    margin-bottom: 50px;
}

/* ITEM */
.lp-item {
    padding: 14px 18px;
    min-width: 110px;

    border-radius: 14px;

    background: rgba(255, 255, 255, 0.7);
    backdrop-filter: blur(10px);

    border: 1px solid rgba(13, 110, 253, 0.15);

    font-size: 13px;
    font-weight: 600;
    color: #2c2c2c;

    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 6px;

    position: relative;
    z-index: 1;

    box-shadow:
        0 8px 20px rgba(13, 110, 253, 0.08),
        inset 0 1px 0 rgba(255, 255, 255, 0.6);

    transition: all 0.3s ease;
    text-align: center;
}

.lp-item::before {
    content: attr(data-step);

    position: absolute;
    top: -10px;
    left: -10px;

    background: #0d6efd;
    color: #fff;

    width: 24px;
    height: 24px;
    border-radius: 50%;

    font-size: 12px;
    font-weight: bold;

    display: none;
    align-items: center;
    justify-content: center;

    box-shadow: 0 5px 10px rgba(0, 0, 0, 0.15);
}

.lp-item i {
    font-size: 23px;
    color: #0d6efd;
    background: rgba(13, 110, 253, 0.1);
    padding: 10px;
    border-radius: 50%;
    transition: 0.3s;
}

/* HOVER */
.lp-item:hover {
    transform: translateY(-8px) scale(1.06);

    background: linear-gradient(135deg, #06bbcc, #0d6efd);
    color: #fff;

    box-shadow: 0 15px 35px rgba(13, 110, 253, 0.25);
}

.lp-item:hover i {
    color: #fff;
    background: rgba(255, 255, 255, 0.2);
}

/* HIGHLIGHT */
.highlight {
    background: linear-gradient(135deg, #06bbcc, #0d6efd);
    color: #fff;

    box-shadow: 0 10px 30px rgba(13, 110, 253, 0.4);
}

.highlight i {
    background: rgba(255, 255, 255, 0.2);
    color: #fff;
}

.connector-svg {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;

    pointer-events: none;

    z-index: 0;
}

/* ADD THIS */
.connector-svg path {
    opacity: 0.9;
}

.lp-wrapper {
    position: relative;
}

@keyframes float {
    0% {
        transform: translateY(0);
    }

    50% {
        transform: translateY(-6px);
    }

    100% {
        transform: translateY(0);
    }
}

/* apply to important nodes */
#start,
#placement {
    animation: float 3s ease-in-out infinite;
}

/* RESPONSIVE */
/* ===== TABLET ===== */
@media (max-width: 992px) {

    .learning-path-v3 .lp-wrapper {
        width: 90%;
        padding: 25px;
    }

    .lp-row {
        gap: 20px;
        margin-bottom: 40px;
    }

    .lp-item {
        min-width: 100px;
        font-size: 12px;
        padding: 12px;
    }
}

@media (max-width: 768px) {

    .lp-row {
        display: contents;
        /* break rows */
    }

    .lp-wrapper {
        display: flex;
        flex-direction: column;
        align-items: center;
        gap: 20px;
    }

    .lp-item {
        width: 100%;
        max-width: 280px;
    }

    /* ORDER BASED ON STEP */
    .lp-item[data-step="1"] {
        order: 1;
    }

    .lp-item[data-step="2"] {
        order: 2;
    }

    .lp-item[data-step="3"] {
        order: 3;
    }

    .lp-item[data-step="4"] {
        order: 4;
    }

    .lp-item[data-step="5"] {
        order: 5;
    }

    .lp-item[data-step="6"] {
        order: 6;
    }

    .lp-item[data-step="7"] {
        order: 7;
    }

    .lp-item[data-step="8"] {
        order: 8;
    }

    .lp-item[data-step="9"] {
        order: 9;
    }

    .lp-item[data-step="10"] {
        order: 10;
    }

    .lp-item[data-step="11"] {
        order: 11;
    }

    .lp-item[data-step="12"] {
        order: 12;
    }

    .lp-item[data-step="13"] {
        order: 13;
    }

    .lp-item[data-step="14"] {
        order: 14;
    }

    .lp-item[data-step="15"] {
        order: 15;
    }

    .lp-item[data-step="16"] {
        order: 16;
    }

    .lp-item[data-step="17"] {
        order: 17;
    }

    .lp-item[data-step="18"] {
        order: 18;
    }

    /* HIDE SVG CONNECTIONS */
    .connector-svg {
        display: none;
    }

    .lp-wrapper {
        position: relative;
    }

    .lp-wrapper::before {
        content: '';
        position: absolute;
        left: 50%;
        top: 0;
        transform: translateX(-50%);
        width: 3px;
        height: 100%;
        background: linear-gradient(#06bbcc, #0d6efd);
    }

    .lp-item {
        position: relative;
    }

    .lp-item::after {
        content: '';
        position: absolute;
        left: 50%;
        top: -10px;
        transform: translateX(-50%);
        width: 10px;
        height: 10px;
        background: #0d6efd;
        border-radius: 50%;
    }
}

/* ===== WHY SAYU V2 ===== */

/* WRAPPER */
.why-sayu-v2-wrapper {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 40px;
    background: linear-gradient(135deg, #ffffff, #f4f9ff);
    backdrop-filter: blur(10px);
    border-radius: 16px;
    padding: 30px;
    box-shadow: 0 10px 30px rgba(13, 110, 253, 0.08);
    width: 70%;
    margin: auto;
    border: 1px solid rgba(13, 110, 253, 0.15);
}

/* LEFT CONTENT */
.why-sayu-v2-content {
    width: 50%;
}

/* ITEM */
.why-sayu-v2-item {
    display: flex;
    flex: 1;
    align-items: center;
    gap: 10px;
    padding: 10px 14px;
    margin-bottom: 10px;
    border-radius: 12px;

    /* NEW BACKGROUND */

    background: linear-gradient(135deg, #06bbcc, #0d6efd);
    border: 1px solid rgba(13, 110, 253, 0.12);

    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}


.why-sayu-v2-item:hover::after {
    opacity: 1;
} */
/* ICON */
.why-sayu-v2-item img {
    width: 45px;
    height: 45px;
    border-radius: 50%;
    background: #f1f7ff;
    padding: 8px;
}

/* TEXT */
.why-sayu-v2-item p {
    margin: 0;
    font-weight: 500;
    color: #fff;
}

/* HOVER EFFECT */
.why-sayu-v2-item:hover {
    transform: translateX(10px) scale(1.03);
    /* background: linear-gradient(135deg, #f8fbff, #eef6ff); */
    box-shadow: 0 15px 35px rgba(13, 110, 253, 0.35);
}

/* .why-sayu-v2-item:hover p {
    color: #000;
} */

/* RIGHT IMAGE */
.why-sayu-v2-image {
    width: 50%;
    text-align: center;
}

.why-sayu-v2-image img {
    width: 100%;
    max-width: 450px;
    border-radius: 18px;
    box-shadow: 0 15px 40px rgba(0, 0, 0, 0.15);
    transition: 0.3s;
}

/* IMAGE HOVER */
.why-sayu-v2-image img:hover {
    transform: scale(1.05);
}

/* RESPONSIVE */
@media (max-width: 992px) {
    .why-sayu-v2-wrapper {
        flex-direction: column-reverse;
        text-align: center;
    }

    .why-sayu-v2-content,
    .why-sayu-v2-image {
        width: 100%;
    }

    .why-sayu-v2-item {
        justify-content: center;
    }
}

/* ===== WHO APPLY V2 ===== */

/* WRAPPER */
.who-apply-v2-wrapper {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 40px;

    width: 70%;
    margin: auto;

    padding: 30px;
    border-radius: 18px;

    /* CONTRAST FROM BODY (#eef7fc) */
    background: linear-gradient(135deg, #ffffff, #f4f9ff);

    box-shadow: 0 15px 40px rgba(13, 110, 253, 0.12);
}

/* LEFT */
.who-apply-v2-content {
    width: 50%;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    gap: 12px;
}

/* ITEM */
.who-apply-v2-item {
    display: flex;
    align-items: center;
    gap: 10px;

    padding: 10px 14px;
    border-radius: 12px;

    /* background: linear-gradient(135deg, #f8fbff, #eef6ff); */
    background: linear-gradient(135deg, #06bbcc, #0d6efd);
    border: 1px solid rgba(13, 110, 253, 0.12);

    transition: all 0.3s ease;
}

/* ICON */
.who-apply-v2-item i {
    min-width: 35px;
    height: 35px;

    display: flex;
    align-items: center;
    justify-content: center;

    background: linear-gradient(135deg, #f8fbff, #eef6ff);
    color: #0d6efd;

    border-radius: 50%;
    font-size: 14px;
}

/* TEXT */
.who-apply-v2-item p {
    margin: 0;
    font-size: 14px;
    color: #fff;
}

/* HOVER */
.who-apply-v2-item:hover {
    transform: translateX(10px) scale(1.02);
    /* background: linear-gradient(135deg, #06bbcc, #0d6efd); */
    box-shadow: 0 10px 25px rgba(13, 110, 253, 0.3);
}

/* .who-apply-v2-item:hover p {
    color: #fff;
} */

/* RIGHT IMAGE */
.who-apply-v2-image {
    width: 50%;
    display: flex;
}

.who-apply-v2-image img {
    width: 100%;
    height: 100%;
    object-fit: contain;
    /* IMPORTANT */
    border-radius: 18px;
    max-width: 450px;
    box-shadow: 0 15px 40px rgba(0, 0, 0, 0.15);
    transition: 0.3s;
}

.who-apply-v2-image img:hover {
    transform: scale(1.05);
}

/* RESPONSIVE */
@media (max-width: 992px) {
    .who-apply-v2-wrapper {
        flex-direction: column-reverse;
        width: 90%;
    }

    .who-apply-v2-content,
    .who-apply-v2-image {
        width: 100%;
    }
}

.why-sayu-v2-item p,
.who-apply-v2-item p {
    font-size: 14.5px;
    /* slightly smaller */
    line-height: 1.4;
}

.why-sayu-v2-item img {
    width: 38px;
    height: 38px;
    padding: 6px;
    border-radius: 50%;
    background: #f1f7ff;
}

.who-apply-v2-item i {
    min-width: 30px;
    height: 30px;
    font-size: 12px;
}

.why-sayu-v2-content,
.who-apply-v2-content {
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    /* auto balances */
    height: 100%;
}

.why-sayu-v2-wrapper,
.who-apply-v2-wrapper {
    min-height: 320px;
    /* adjust if needed */
}

/* ===== TOOLS V2 ===== */

.tools-v2 {
    width: 70%;
    margin: auto;
}

/* subtitle */
.tools-subtitle {
    color: #666;
    margin-bottom: 30px;
    font-size: 14px;
}

/* GRID */
.tools-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
    gap: 20px;
}

/* CARD */
.tool-card {
    background: linear-gradient(135deg, #ffffff, #f4f9ff);
    border: 1px solid rgba(13, 110, 253, 0.1);
    border-radius: 16px;

    padding: 15px;
    /* more breathing space */

    display: flex;
    align-items: center;
    justify-content: center;

    height: 140px;
    /* fixed height = uniform grid */

    transition: all 0.3s ease;
    box-shadow: 0 8px 20px rgba(13, 110, 253, 0.08);
}

/* IMAGE */
.tool-card img {
    max-width: 100%;
    max-height: 110px;
    /* IMPORTANT */
    object-fit: contain;

    transition: 0.3s;
}

/* TEXT */
.tool-card p {
    font-size: 13px;
    margin: 0;
    color: #333;
    font-weight: 500;
}

/* HOVER EFFECT */
.tool-card:hover {
    transform: translateY(-6px) scale(1.05);
    /* background: linear-gradient(135deg, #06bbcc, #0d6efd); */
    box-shadow: 0 15px 35px rgba(13, 110, 253, 0.3);
}

.tool-card:hover img {
    transform: scale(1.15);
    /* filter: brightness(0) invert(1);white logo effect 🔥 */
}

/* RESPONSIVE */
@media (max-width: 768px) {
    .tools-v2 {
        width: 90%;
    }

    .tools-grid {
        grid-template-columns: repeat(auto-fit, minmax(100px, 1fr));
    }
}

/* BUTTON IMPROVEMENT */
.data-engineering-course-heading .btn {
    margin-top: 15px;
    padding: 12px 24px;
    font-size: 15px;

    border-radius: 8px;

    background: linear-gradient(135deg, #06bbcc, #0d6efd);
    border: none;

    box-shadow: 0 10px 25px rgba(13, 110, 253, 0.3);

    transition: all 0.3s ease;
}

/* BUTTON HOVER */
.data-engineering-course-heading .btn:hover {
    transform: translateY(-3px) scale(1.05);
    box-shadow: 0 15px 35px rgba(13, 110, 253, 0.5);
}


/* ========================= */
/* COMMON SECTION SPACING */
/* ========================= */
.sample-cert,
.avg-sal,
.data-enginering-faq,
.review-container {
    width: 70%;
    margin: 80px auto;
}

/* ========================= */
/* SAMPLE CERTIFICATE */
/* ========================= */
.sample-cert-inner-container {
    background: rgba(255, 255, 255, 0.6);
    backdrop-filter: blur(15px);
    border: 1px solid rgba(255, 255, 255, 0.3);
    padding: 35px;
    border-radius: 20px;
    text-align: center;

    box-shadow: 0 25px 60px rgba(13, 110, 253, 0.15);
    transition: 0.3s;
}

.sample-cert-inner-container img {
    width: 60%;
    border-radius: 16px;
    max-width: 500px;
    box-shadow: 0 15px 40px rgba(0, 0, 0, 0.15);
    transition: all 0.4s ease;
}

.sample-cert-inner-container img:hover {
    transform: scale(1.07);
    box-shadow: 0 25px 60px rgba(13, 110, 253, 0.35);
}

/* ========================= */
/* SALARY SECTION */
/* ========================= */
.avg-sal-inner {
    border-radius: 20px;
    padding: 25px;
    text-align: center;
    background: rgba(255, 255, 255, 0.6);
    backdrop-filter: blur(15px);
    border: 1px solid rgba(255, 255, 255, 0.3);
    box-shadow: 0 20px 50px rgba(13, 110, 253, 0.15);
}

.avg-sal h1 {
    font-size: 34px;
    font-weight: 700;
    color: #0d6efd;
    margin: 10px 0;
}

.avg-sal h5 {
    color: #666;
    font-weight: 500;
}

/* CHART SIZE CONTROL */
#myChart {
    max-width: 680px;
    margin: 20px auto 0;
}
.chart-wrapper {
  position: relative;
  width: 100%;
  max-width: 100%;
  overflow: hidden;
}

.chart-wrapper canvas {
  width: 100% !important;
  height: auto !important;
}

/* ========================= */
/* FAQ SECTION */
/* ========================= */
/* FAQ WRAPPER */
.data-enginering-faq {
    width: 60%;
    margin: 80px auto;
}

/* FAQ CARD */
.accordion-item {
    border: none !important;
    border-radius: 16px !important;
    margin-bottom: 15px;
    overflow: hidden;

    background: rgba(255, 255, 255, 0.7);
    backdrop-filter: blur(12px);

    box-shadow: 0 15px 35px rgba(13, 110, 253, 0.12);
    transition: 0.3s;
}

/* HOVER */
.accordion-item:hover {
    transform: translateY(-4px);
    box-shadow: 0 20px 45px rgba(13, 110, 253, 0.2);
}

/* QUESTION */
.accordion-button {
    background: transparent;
    font-weight: 600;
    font-size: 15px;
    padding: 18px 20px;
    color: #0d6efd;
}

/* ACTIVE STATE */
.accordion-button:not(.collapsed) {
    background: linear-gradient(135deg, #06bbcc, #0d6efd);
    color: #fff;
}

/* REMOVE DEFAULT ICON */
.accordion-button::after {
    filter: brightness(0.5);
}

/* ANSWER */
.accordion-body {
    background: #ffffff;
    font-size: 14px;
    color: #555;
    line-height: 1.7;
    border-top: 1px solid #eee;
}

/* READ MORE BUTTON */
#qread_more_less_btn {
    display: inline-block;
    margin-top: 12px;

    padding: 6px 14px;
    border-radius: 20px;

    background: linear-gradient(135deg, #06bbcc, #0d6efd);
    color: #fff;

    font-size: 13px;
    text-decoration: none;
    transition: 0.3s;
}

#qread_more_less_btn:hover {
    transform: scale(1.05);
}

/* ========================= */
/* REVIEW SECTION */
/* ========================= */
.review-inner-container {
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    gap: 25px;
}

/* VIDEO CARD */
.video-container {
    background: #ffffff;
    padding: 12px;
    border-radius: 16px;

    box-shadow: 0 15px 35px rgba(0, 0, 0, 0.1);
    transition: all 0.3s ease;

    position: relative;
    overflow: hidden;
}

/* HOVER EFFECT */
.video-container:hover {
    transform: translateY(-10px) scale(1.03);
    box-shadow: 0 25px 50px rgba(13, 110, 253, 0.25);
}

/* VIDEO */
.video-container iframe {
    width: 320px;
    height: 200px;
    border-radius: 12px;
}

/* ========================= */
/* RESPONSIVE */
/* ========================= */
@media (max-width: 992px) {

    .sample-cert,
    .avg-sal,
    .data-enginering-faq,
    .review-container {
        width: 90%;
    }
}

@media (max-width: 768px) {

    .sample-cert-inner-container {
        padding: 20px;
    }

    .sample-cert-inner-container img {
        width: 100%;
    }

    .avg-sal h1 {
        font-size: 32px;
    }

    .video-container iframe {
        width: 100%;
        height: 200px;
    }
}

.cta-section {
    text-align: center;
    margin: 20px auto 40px auto;
    padding: 40px 20px;

    width: 65%;

    background: rgba(255, 255, 255, 0.6);
    backdrop-filter: blur(15px);
    border: 1px solid rgba(255, 255, 255, 0.3);
    border-radius: 20px;

    box-shadow: 0 20px 50px rgba(13, 110, 253, 0.15);
}

/* HEADING */
.cta-section h3 {
    color: #06bbcc;
    font-weight: 700;
    margin-bottom: 10px;
}

/* SUBTEXT */
.cta-section p {
    font-size: 16px;
    color: #555;
    margin-bottom: 20px;
}

/* ACTION ROW */
.cta-action {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 15px;
    flex-wrap: wrap;
}

/* TEXT */
.cta-action span {
    font-weight: 600;
}

/* BUTTON */
.cta-btn {
    padding: 10px 22px;
    border-radius: 30px;
    text-decoration: none;

    background: linear-gradient(135deg, #06bbcc, #0d6efd);
    color: #fff;

    font-size: 14px;
    font-weight: 600;

    transition: 0.3s;
}

.cta-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 25px rgba(13, 110, 253, 0.3);
    color: #fff;
}

.section-divider::after {
    content: "";
    display: block;
    width: 70px;
    height: 4px;
    margin: 60px auto 0;
    background: linear-gradient(135deg, #06bbcc, #0d6efd);
    border-radius: 20px;
}

.btn,
.cta-btn {
    background: linear-gradient(135deg, #06bbcc, #0d6efd);
    border: none;
    position: relative;
    overflow: hidden;
}

.btn::before,
.cta-btn::before {
    content: "";
    position: absolute;
    top: 0;
    left: -100%;
    width: 50%;
    height: 100%;
    background: rgba(255, 255, 255, 0.3);
    transform: skewX(-20deg);
}

.btn:hover::before,
.cta-btn:hover::before {
    left: 120%;
    transition: 0.5s;
}
.data-engineering-course-heading .btn-primary {
  background: linear-gradient(135deg, #00e0ff, #0d6efd);
  border: none;
  color: #fff;
  font-weight: 600;
  padding: 12px 26px;
  border-radius: 50px;
  box-shadow: 0 8px 25px rgba(13, 110, 253, 0.4);
  transition: all 0.3s ease;
}

.data-engineering-course-heading .btn-primary:hover {
  transform: translateY(-3px) scale(1.03);
  box-shadow: 0 12px 30px rgba(13, 110, 253, 0.6);
}