/* ------------------- About Hero Section ------------------ */
.about-hero-container {
    position: relative;
    width: 100%;
    height: calc(100vh - 70px);
    display: flex;
    justify-content: center;
    align-items: center;
    overflow: hidden;
    background: linear-gradient(135deg, #006aff, #344D8B, #006aff) -100%/ 200%;
    animation: shimmer 2s linear infinite;
}

.about-hero-container .image-grid {
    display: grid;
    width: 100%;
    height: 100%;
    grid-template-columns: repeat(var(--cols), 1fr);
    grid-template-rows: repeat(var(--rows), 1fr);
    perspective: 1200px;
    overflow: hidden;
    z-index: 1;
}

.about-hero-container .image-grid::before {
    content: "";
    width: 100%;
    height: 100%;
    background: linear-gradient(top bottom,
            rgba(0, 0, 0, 0.5),
            rgba(0, 0, 0, 0.5));
    position: absolute;
    z-index: 2;
}

.about-hero-container .grid-cell {
    position: relative;
    width: 100%;
    height: 100%;
    transform-style: preserve-3d;
    transition: transform .3s ease-in-out;
}

.about-hero-container .grid-cell.flip {
    transform: rotateY(180deg);
}

.about-hero-container .face {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    backface-visibility: hidden;
    background-size: calc(100% * var(--cols)) calc(100% * var(--rows));
    background-repeat: no-repeat;
}

.about-hero-container .front {
    transform: rotateY(0deg);
}

.about-hero-container .back {
    transform: rotateY(180deg);
}

.about-hero-container .content-container {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    color: white;
    z-index: 3;
}

.about-hero-container .content-container h1 {
    font-size: 8rem;
}

.about-hero-container .content-container p {
    font-size: 18px;
    max-width: 60%;
    text-align: center;
    margin-top: 2rem;
    color: white;
}

.loading-text {
    place-self: center;
    background: linear-gradient(135deg, #072959, #344D8B, #006aff) -100%/ 200%;
    -webkit-background-clip: text;
    background-clip: text;
    font-family: var(--font2);
    color: transparent;
    -webkit-text-stroke: 3px rgba(255, 255, 255, 0.8);
    animation: shimmer 2s linear infinite;
}


@keyframes shimmer {
    to {
        background-position: 100%;
    }
}

.pr-solve-section,
.vision-mission-section {
    padding-top: 3rem;
    padding-bottom: 3rem;
}

.pr-solve-section .pr-solve-title {
    font-size: 2rem;
    font-weight: 400;
    letter-spacing: 0.1rem;
}

.pr-solve-section .solution-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
    margin-top: 3rem;
}

.pr-solve-section .solution-grid .solution-card {
    padding: 20px;
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.pr-solve-section .solution-grid .solution-card .solution-no {
    font-size: 16px;
    color: #0045e6;
    line-height: 24px;
    font-weight: 600;
}

.pr-solve-section .solution-grid .solution-card .solution-title {
    font-family: "Poppins", sans-serif;
    color: #000;
    line-height: 30px;
    font-size: 16px;
    font-weight: 600;
}

.pr-solve-section .solution-grid .solution-card .solution-text {
    color: #373737;
    font-size: 15px;
    line-height: 1.6;
    font-weight: 400;
}

@media screen and (max-width: 768px) {
    .about-hero-container .content-container h1 {
        font-size: 5rem;
    }

    .about-hero-container .content-container p {
        font-size: 16px;
        max-width: 70%;
    }

    .pr-solve-section,
    .vision-mission-section {
        padding-top: 1.5rem;
        padding-bottom: 1.5rem;
    }

    .pr-solve-section .solution-grid {
        grid-template-columns: repeat(2, 1fr);
        margin-top: 1rem;
    }
}

@media screen and (max-width: 576px) {
    .about-hero-container .content-container h1 {
        font-size: 3rem;
    }

    .about-hero-container {
        height: calc(80vh - 70px);
    }

    .about-hero-container .content-container p {
        font-size: 16px;
        max-width: 90%;
    }

    .pr-solve-section,
    .vision-mission-section {
        padding-top: 1rem;
        padding-bottom: 1rem;
    }

    .pr-solve-section .pr-solve-title {
        font-size: 1.6rem;
        letter-spacing: 0;
    }

    .pr-solve-section .solution-grid {
        grid-template-columns: repeat(1, 1fr);
        gap: 0;
        margin-top: 1rem;
    }

    .pr-solve-section .solution-grid .solution-card {
        padding: 10px;
        gap: 6px;
    }
}

/* ----------------- About Section ---------------- */
section.about-section {
    position: relative;
}

section.about-section .about-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    align-items: center;
    gap: 20px;
    min-height: 300px;
}

/* LEFT CONTENT */
section.about-section .about-grid .about-left {
    display: flex;
    flex-direction: column;
    justify-content: center;
}

section.about-section .about-grid .about-left h2 {
    font-size: 2.2rem;
    font-weight: 600;
    font-family: var(--font2);
    color: var(--color-primary);
    margin-bottom: 12px;
}

section.about-section .about-grid .about-left p {
    font-size: 1.05rem;
    line-height: 1.5;
    color: #555;
}

/* RIGHT IMAGE */
section.about-section .about-grid .about-right {
    position: relative;
    width: 100%;
}

section.about-section .about-grid .about-right .about-img {
    width: 100%;
    max-width: 450px;
    height: auto;
    display: block;
    margin-left: auto;
}

/* three box */
section.about-section .about-three-part {
    display: flex;
    flex-direction: row;
    gap: 40px;
    margin-top: 20px;
}

section.about-section .about-three-part .info-box {
    background: var(--color-white);
    padding: 19px;
    text-align: center;
    border-radius: 10px;
    width: 100%;
    box-shadow: 0 1px 3px rgba(128, 128, 128, 0.25),
        0 2px 6px rgba(128, 128, 128, 0.15);
}

section.about-section .about-three-part .info-box h3 {
    font-size: 28px;
    font-weight: 700;
    color: var(--color-primary);
}

section.about-section .about-three-part .info-box p {
    margin-top: 5px;
    font-size: 16px;
    color: var(--text-grey);
}

@media (max-width: 992px) {
    section.about-section .about-grid {
        grid-template-columns: 1fr;
        text-align: center;
        min-height: auto;
    }

    section.about-section .about-grid .about-left h2 {
        margin-top: 25px;
    }

    section.about-section .about-grid .about-left {
        align-items: center;
    }

    section.about-section .about-grid .about-right .about-img {
        margin: 20px auto 0;
        max-width: 300px;
        width: 70%;
    }

    section.about-section .about-three-part .info-box {
        width: 30%;
        padding: 8px;
    }

    section.about-section .about-three-part {
        gap: 20px;
    }
}

@media (max-width: 600px) {

    section.about-section .about-grid .about-left h2 {
        font-size: 1.7rem;
        margin-top: 25px;
    }

    section.about-section .about-grid .about-left p {
        font-size: 0.95rem;
    }

    section.about-section .about-grid .about-right .about-img {
        max-width: 300px;
        width: 100%;
    }

    section.about-section .about-three-part {
        gap: 10px;
    }

    section.about-section .about-three-part .info-box p {
        font-size: 14px;
    }

    section.about-section .about-three-part .info-box h3 {
        font-size: 17px;
    }
}

/* ------------------ Welding Machine Section ---------------- */
section.welding-section {
    background-color: var(--color-primary);
    padding: 40px 0;
    margin-top: 20px;
    color: var(--color-white);
}

section.welding-section .welding-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
    align-items: center;
    margin: 0 auto;
}

section.welding-section .welding-left h1 {
    font-size: 2.8rem;
    font-weight: 600;
    font-family: var(--font2);
    line-height: 1.2;
    color: var(--color-white);
}

section.welding-section .welding-left h1 span {
    color: #FFBF34;
}

section.welding-section .welding-right p {
    font-size: 1rem;
    line-height: 1.7;
    color: var(--color-white);
}

section.welding-section .img-section {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
    margin-top: 40px;
}

section.welding-section .img-section .img-box {
    width: 100%;
    height: 100%;
    border-radius: 10px;
    object-fit: cover;
    display: block;
}

/* ----------------- Responsive ----------------- */
@media (max-width: 992px) {
    section.welding-section .welding-grid {
        grid-template-columns: 1fr;
        text-align: center;
        gap: 25px;
    }

    section.welding-section .welding-grid .welding-left h1 {
        font-size: 2.3rem;
    }

    section.welding-section .welding-grid .welding-right p {
        margin: 0 auto;
        font-size: 1rem;
    }

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

@media (max-width: 600px) {
    section.welding-section {
        padding: 30px 0;
    }

    section.welding-section .welding-grid .welding-left h1 {
        font-size: 32px;
    }

    section.welding-section .welding-grid .welding-right p {
        font-size: 14px;
    }

    section.welding-section .img-section {
        grid-template-columns: 1fr;
    }
}

/* -------------------- About What We Do Section -------------------- */
section.industry {
    padding: 40px 0;
}

section.industry .indusry-main {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 30px;
    align-items: center;
    padding: 32px;
    border-radius: 16px;
    background: #fff;
    margin-bottom: 10px;
    box-shadow: rgba(0, 0, 0, 0.08) 0px 10px 30px;
}

/* Content */
section.industry .indusry-content h2 {
    font-size: 32px;
    font-family: var(--font2);
    font-weight: 600;
    color: var(--color-black);
    margin-bottom: 14px;
}

section.industry .indusry-content p {
    font-size: 16px;
    color: var(--text-grey);
    line-height: 1.8;
}

/* Image */
section.industry .indusry-image img {
    width: 100%;
    height: 300px;
    object-fit: cover;
    border-radius: 14px;
    box-shadow: rgba(0, 0, 0, 0.15) 0px 12px 30px;
}

/* Responsive */
@media (max-width: 900px) {
    section.industry .indusry-main {
        grid-template-columns: 1fr;
        padding: 22px;
    }

    section.industry .indusry-image img {
        height: 260px;
    }
}

@media (max-width: 480px) {
    section.industry .indusry-content h2 {
        font-size: 24px;
    }

    section.industry .indusry-content p {
        font-size: 14px;
    }
}

/* -------------------- Why Choose Us Section -------------------- */
.why-choose-us {
    padding: 50px 0;
    background: linear-gradient(180deg, #f8fbff, #ffffff);
}

.why-choose-us .section-header {
    text-align: center;
    max-width: 800px;
    margin: 0 auto 50px;
}

.why-choose-us .section-header h2 {
    text-align: center;
    font-family: var(--font2);
    font-weight: 700;
    letter-spacing: 1px;
    font-size: 32px;
    line-height: 1.4;
    background: var(--color-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    margin-bottom: 16px;
    opacity: 0;
    transform: translateY(30px);
    animation: fadeUp 1s ease forwards;
}

.why-choose-us .section-header h2::after {
    content: "";
    display: block;
    width: 115px;
    height: 4px;
    background: var(--color-primary);
    margin: 12px auto 0;
    border-radius: 8px;
}

@keyframes fadeUp {
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.why-choose-us .section-header p {
    font-size: 16px;
    color: var(--text-grey);
    line-height: 1.7;
}

/* Grid */
.why-choose-us .choose-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
}

/* Card */
.why-choose-us .choose-grid .choose-card {
    background: var(--color-white);
    border-radius: 16px;
    padding: 32px 26px;
    text-align: center;
    box-shadow: rgba(0, 0, 0, 0.08) 0px 10px 30px;
    transition: all 0.35s ease;
}

.why-choose-us .choose-grid .choose-card:hover {
    transform: translateY(-10px);
    box-shadow: rgba(0, 0, 0, 0.15) 0px 20px 40px;
}

/* Icon */
.why-choose-us .choose-grid .choose-card .icon {
    width: 70px;
    height: 70px;
    margin: 0 auto 20px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--color-primary), #0056b3);
    display: flex;
    align-items: center;
    justify-content: center;
    color: #fff;
    font-size: 28px;
}

/* Text */
.why-choose-us .choose-grid .choose-card h3 {
    font-size: 20px;
    font-weight: 600;
    color: var(--color-black);
    margin-bottom: 10px;
}

.why-choose-us .choose-grid .choose-card p {
    font-size: 15px;
    color: var(--text-grey);
    line-height: 1.7;
}

/* Responsive */
@media (max-width: 992px) {
    .why-choose-us .choose-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 576px) {
    .why-choose-us .choose-grid {
        grid-template-columns: 1fr;
    }

    .why-choose-us .section-header h2 {
        font-size: 28px;
    }
}

/* ------------------- Corporate Section ---------------- */
section.corporate-section {
    background-image: url("../images/corporate-bg.webp");
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    padding: 45px 0;
    margin-top: 30px;
    position: relative;
    color: var(--color-white);
}

section.corporate-section::before {
    content: "";
    position: absolute;
    inset: 0;
    background: rgba(86, 86, 86, 0.5);
}

section.corporate-section .section-title {
    text-align: center;
    font-family: var(--font2);
    font-weight: 700;
    letter-spacing: 1px;
    font-size: 30px;
    line-height: 1;

    /* Gradient / Primary Color Text Effect */
    background: var(--color-white);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;

    margin: 12px 0 40px;
    width: 100%;

    /* Animation */
    opacity: 0;
    transform: translateY(30px);
    animation: fadeUp 1s ease forwards;
}

section.corporate-section .section-title::after {
    content: "";
    display: block;
    width: 115px;
    height: 4px;
    background: var(--color-white);
    margin: 12px auto 0;
    border-radius: 8px;
}

/* Smooth fade + slide */
@keyframes fadeUp {
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

section.corporate-section .culture-grid {
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    gap: 25px;
}

section.corporate-section .culture-grid .culture-card {
    padding: 15px;
    border: 1px solid rgba(255, 255, 255, 0.4);
    border-radius: 12px;
    text-align: center;
    backdrop-filter: blur(4px);
    background: rgba(255, 255, 255, 0.05);
    transition: 0.3s ease;
}

section.corporate-section .culture-grid .culture-card:hover {
    background: rgba(255, 255, 255, 0.12);
    transform: translateY(-6px);
}

section.corporate-section .culture-grid .culture-card .icon {
    font-size: 45px;
    margin-bottom: 15px;
}

section.corporate-section .culture-grid .culture-card h3 {
    font-size: 20px;
    font-weight: 700;
    margin-bottom: 12px;
}

section.corporate-section .culture-grid .culture-card p {
    font-size: 15px;
    opacity: 0.9;
    line-height: 1.6;
}

/* Responsive */
@media (max-width: 992px) {
    section.corporate-section .culture-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 576px) {
    section.corporate-section .culture-grid {
        grid-template-columns: 1fr;
    }

    section.corporate-section .section-title {
        font-size: 28px;
    }
}

/* ------------------ FAQ Section ------------------ */
section.faq-section {
    padding: 50px 0;
    background-color: var(--color-primary);
}

section.faq-section .faq-container {
    max-width: 800px;
    margin: 0px auto;
}

section.faq-section .faq-title {
    text-align: center;
    font-family: var(--font2);
    font-weight: 700;
    letter-spacing: 1px;
    font-size: 30px;
    line-height: 1;

    /* Gradient / Primary Color Text Effect */
    background: var(--color-white);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;

    margin: 12px 0 16px;
    width: 100%;

    /* Animation */
    opacity: 0;
    transform: translateY(30px);
    animation: fadeUp 1s ease forwards;
}

section.faq-section .faq-title::after {
    content: "";
    display: block;
    width: 115px;
    height: 4px;
    background: var(--color-white);
    margin: 12px auto 0;
    border-radius: 8px;
}

/* Smooth fade + slide */
@keyframes fadeUp {
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

section.faq-section .faq-container .faq-item {
    border-bottom: 1px solid var(--color-white);
    padding: 10px 0;
}

section.faq-section .faq-container .faq-item .faq-question {
    width: 100%;
    background: none;
    border: none;
    outline: none;
    text-align: left;
    font-size: 1.1rem;
    font-weight: 600;
    cursor: pointer;
    display: flex;
    color: var(--color-white);
    justify-content: space-between;
    align-items: center;
    padding: 10px 0;
}

section.faq-section .faq-container .faq-item .faq-question .icon {
    transition: transform 0.3s ease;
    font-weight: bold;
    font-size: 1.2rem;
}

section.faq-section .faq-container .faq-item .faq-answer {
    max-height: 0;
    overflow: hidden;
    color: var(--color-white);
    transition: max-height 0.4s ease, padding 0.3s ease;
    padding: 0 0;
}

section.faq-section .faq-container .faq-item .faq-answer p {
    margin: 10px 0;
    color: var(--primary-light);
}

section.faq-section .faq-container .faq-item.active .faq-answer {
    max-height: 200px;
    padding: 10px 0;
}

section.faq-section .faq-container .faq-item.active .faq-question .icon {
    transform: rotate(180deg);
    content: "–";
}

@media screen and (max-width: 789px) {
    section.faq-section .faq-title {
        font-size: 1.5rem;
        margin-bottom: 15px;
    }

    section.faq-section .faq-container .faq-item .faq-question {
        font-size: 1rem;
        padding: 0;
    }

    section.faq-section .faq-container .faq-item .faq-answer p {
        font-size: 0.9rem;
        margin: 0;
    }
}