/* ===========================
   CSS Variables - Color Palette
   =========================== */
:root {
    --color-accent: #000080;
    --color-accent-hover: #000060;
    --color-dark: #1a1a1a;
    --color-gray: #6c757d;
    --color-light-gray: #f8f9fa;
    --color-primary: #E9C027;
    --color-secondary: #BC9A1D;
    --color-white: #FFFFFF;

    --color-accent-rgb: 0, 0, 128;
    --color-dark-rgb: 26, 26, 26;
    --color-neutral-rgb: 0, 0, 0;
    --color-primary-rgb: 233, 192, 39;
    --color-white-rgb: 255, 255, 255;

    --border-neutral-soft: rgba(var(--color-neutral-rgb), 0.04);

    --overlay-accent-soft: rgba(var(--color-accent-rgb), 0.45);
    --overlay-accent-strong: rgba(var(--color-accent-rgb), 0.8);
    --overlay-primary-soft: rgba(var(--color-primary-rgb), 0.45);
    --overlay-primary-strong: rgba(var(--color-primary-rgb), 0.8);
    --overlay-dark-soft: rgba(var(--color-dark-rgb), 0.6);
    --overlay-neutral-35: rgba(var(--color-neutral-rgb), 0.35);
    --overlay-white-10: rgba(var(--color-white-rgb), 0.1);
    --overlay-white-45: rgba(var(--color-white-rgb), 0.45);
    --overlay-white-50: rgba(var(--color-white-rgb), 0.5);
    --overlay-white-80: rgba(var(--color-white-rgb), 0.8);

    --shadow-accent: rgba(var(--color-accent-rgb), 0.3);
    --shadow-accent-strong: rgba(var(--color-accent-rgb), 0.35);
    --shadow-neutral-05: rgba(var(--color-neutral-rgb), 0.05);
    --shadow-neutral-08: rgba(var(--color-neutral-rgb), 0.08);
    --shadow-neutral-10: rgba(var(--color-neutral-rgb), 0.1);
    --shadow-neutral-12: rgba(var(--color-neutral-rgb), 0.12);
    --shadow-neutral-15: rgba(var(--color-neutral-rgb), 0.15);
    --shadow-primary: rgba(var(--color-primary-rgb), 0.3);
    --shadow-primary-strong: rgba(var(--color-primary-rgb), 0.35);
}

/* ===========================
   Global Styles
   =========================== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Poppins', sans-serif;
    line-height: 1.6;
    color: var(--color-dark);
    background-color: var(--color-white);
}

.container {
    max-width: 1440px;
    margin: 0 auto;
    padding: 0 20px;
}

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

a {
    text-decoration: none;
    color: inherit;
    transition: all 0.3s ease;
}

ul {
    list-style: none;
}

/* ===========================
   Buttons
   =========================== */
.btn {
    display: inline-block;
    padding: 12px 30px;
    border-radius: 50px;
    font-weight: 500;
    transition: all 0.3s ease;
    border: none;
    cursor: pointer;
    font-size: 16px;
}

.btn-primary {
    background-color: var(--color-accent);
    color: var(--color-white);
}

.btn-primary:hover {
    background-color: var(--color-accent-hover);
    transform: translateY(-2px);
    box-shadow: 0 5px 15px var(--shadow-accent);
}

.btn-secondary {
    background-color: var(--color-primary);
    color: var(--color-white);
}

.btn-secondary:hover {
    background-color: var(--color-secondary);
    transform: translateY(-2px);
    box-shadow: 0 5px 15px var(--shadow-primary);
}

.btn-light {
    background-color: var(--color-white);
    color: var(--color-accent);
    border: 2px solid var(--color-white);
}

.btn-light:hover {
    background-color: transparent;
    color: var(--color-white);
}

.btn-join {
    background-color: var(--color-accent);
    color: var(--color-white) !important;
    padding: 8px 20px;
    border-radius: 50px;
}

.btn-join:hover {
    background-color: var(--color-accent-hover);
}

/* ===========================
   Typography
   =========================== */
h1, h2, h3, h4, h5, h6 {
    line-height: 1.2;
    font-weight: 600;
}

.subtitle {
    color: var(--color-accent);
    font-size: 14px;
    font-weight: 600;
    letter-spacing: 2px;
    text-transform: uppercase;
    margin-bottom: 10px;
    display: block;
}

.section-header {
    text-align: center;
    margin-bottom: 50px;
}

.section-header h2 {
    font-size: 36px;
    color: var(--color-dark);
}

/* ===========================
   Top Bar
   =========================== */
.top-bar {
    background-color: var(--color-secondary);
    color: var(--color-white);
    padding: 10px 0;
    font-size: 14px;
}

.top-bar-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.top-bar-left span {
    margin-right: 20px;
}

.top-bar-left i {
    margin-right: 5px;
    color: var(--color-accent);
}

.top-bar-right a {
    color: var(--color-white);
    margin-left: 15px;
    transition: color 0.3s ease;
}

.top-bar-right a:hover {
    color: var(--color-accent);
}

/* ===========================
   Navigation
   =========================== */
.navbar {
    background-color: var(--color-white);
    padding: 5px 0 0;
    box-shadow: 0 2px 5px var(--shadow-neutral-10);
    position: sticky;
    top: 0;
    z-index: 1000;
}

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

.logo h2 {
    color: var(--color-primary);
    font-size: 28px;
}

.logo a {
    display: inline-flex;
    align-items: center;
}

.logo img {
    height: 120px;
    width: auto;
    display: block;
    clip-path: ellipse(100% 100% at 50% 0%);
}

.nav-menu {
    display: flex;
    align-items: center;
    gap: 30px;
}

.nav-menu > li {
    position: relative;
}

.nav-menu a {
    color: var(--color-dark);
    font-size: 18px;
    font-weight: 600;
    transition: color 0.3s ease;
}

.nav-submenu-toggle {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    color: var(--color-dark);
    font-weight: 600;
    font-family: inherit;
    font-size: 18px;
    border: none;
    background: transparent;
    cursor: pointer;
    transition: color 0.3s ease;
}

.nav-submenu-toggle i {
    font-size: 14px;
    transition: transform 0.3s ease;
}

.nav-submenu {
    position: absolute;
    top: calc(100% + 14px);
    left: 0;
    min-width: 210px;
    background-color: var(--color-white);
    border-radius: 10px;
    box-shadow: 0 10px 24px var(--shadow-neutral-15);
    padding: 10px 0;
    opacity: 0;
    visibility: hidden;
    transform: translateY(8px);
    transition: opacity 0.25s ease, transform 0.25s ease, visibility 0.25s ease;
    z-index: 1001;
}

.nav-submenu li {
    width: 100%;
}

.nav-submenu a {
    display: block;
    padding: 9px 16px;
    text-align: left;
}

.nav-item-has-children:hover .nav-submenu,
.nav-item-has-children:focus-within .nav-submenu,
.nav-item-has-children.submenu-open .nav-submenu {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.nav-item-has-children:hover .nav-submenu-toggle i,
.nav-item-has-children.submenu-open .nav-submenu-toggle i {
    transform: rotate(180deg);
}

.nav-menu a:hover,
.nav-menu a.active,
.nav-submenu-toggle:hover,
.nav-submenu-toggle.active {
    color: var(--color-accent);
}

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

.hamburger span {
    width: 25px;
    height: 3px;
    background-color: var(--color-dark);
    margin: 3px 0;
    transition: 0.3s;
}

/* ===========================
   Hero Section
   =========================== */
.hero {
    background:
        linear-gradient(var(--overlay-accent-soft), var(--overlay-dark-soft)),
        url('../images/banners/1.png') center top/cover no-repeat;
    color: var(--color-white);
    padding: 100px 0;
    position: relative;
    overflow: hidden;
}

.hero-slider {
    background: none;
    padding: 0;
    min-height: 580px;
}

.hero-slider-track {
    position: relative;
    min-height: inherit;
}

.hero-slide {
    position: absolute;
    inset: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 100px 0;
    background-position: center top;
    background-repeat: no-repeat;
    background-size: cover;
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
    transform: translateX(0) scale(1);
    transition: opacity 0.65s ease, transform 0.65s ease;
}

.hero-slide.is-active {
    opacity: 1;
    visibility: visible;
    pointer-events: auto;
    transform: translateX(0) scale(1);
}

.hero-slide.is-entering-from-right,
.hero-slide.is-entering-from-left,
.hero-slide.is-leaving-to-left,
.hero-slide.is-leaving-to-right {
    visibility: visible;
    pointer-events: none;
}

.hero-slide.is-entering-from-right {
    opacity: 0;
    transform: translateX(70px) scale(1.01);
}

.hero-slide.is-entering-from-left {
    opacity: 0;
    transform: translateX(-70px) scale(1.01);
}

.hero-slide.is-leaving-to-left {
    opacity: 0;
    transform: translateX(-70px) scale(1.01);
}

.hero-slide.is-leaving-to-right {
    opacity: 0;
    transform: translateX(70px) scale(1.01);
}

.hero-slide .hero-content {
    opacity: 0;
    transform: translateY(22px);
    transition: opacity 0.55s ease 0.12s, transform 0.55s ease 0.12s;
}

.hero-slide.is-active .hero-content {
    opacity: 1;
    transform: translateY(0);
}

.hero-slider h1,
.hero-slider p,
.hero-slider .hero-buttons {
    animation: none;
}

.hero-slider-control {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    width: 46px;
    height: 46px;
    border-radius: 50%;
    border: 1px solid var(--overlay-white-50);
    background: var(--overlay-neutral-35);
    color: var(--color-white);
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    z-index: 2;
    transition: all 0.3s ease;
}

.hero-slider-control:hover {
    background: var(--overlay-accent-strong);
    border-color: var(--overlay-white-80);
}

.hero-slider-prev {
    left: 22px;
}

.hero-slider-next {
    right: 22px;
}

.hero-slider-dots {
    position: absolute;
    left: 50%;
    bottom: 26px;
    transform: translateX(-50%);
    display: flex;
    gap: 10px;
    z-index: 2;
}

.hero-slider-dot {
    width: 11px;
    height: 11px;
    border-radius: 50%;
    border: none;
    background: var(--overlay-white-45);
    cursor: pointer;
    transition: all 0.3s ease;
}

.hero-slider-dot.is-active {
    background: var(--color-white);
    transform: scale(1.15);
}

@media (prefers-reduced-motion: reduce) {
    .hero-slide,
    .hero-slide .hero-content,
    .hero-slider-control,
    .hero-slider-dot {
        transition: none !important;
    }
}

.hero::before {
    content: none;
}

.hero-content {
    position: relative;
    z-index: 1;
    max-width: 700px;
    margin: 0 auto;
    text-align: center;
}

.hero h1 {
    font-size: 56px;
    margin-bottom: 20px;
    animation: fadeInUp 1s ease;
}

.hero .subtitle {
    color: var(--color-white);
    font-size: 15px;
    letter-spacing: 2.5px;
    margin-bottom: 14px;
    text-shadow: 0 1px 4px var(--overlay-neutral-35);
}

.hero h1 span {
    color: var(--color-white);
    text-shadow: 0 2px 8px var(--overlay-neutral-35);
}

.hero p {
    font-size: 18px;
    margin-bottom: 30px;
    opacity: 0.9;
    animation: fadeInUp 1s ease 0.2s both;
}

.hero-buttons {
    display: flex;
    gap: 20px;
    justify-content: center;
    animation: fadeInUp 1s ease 0.4s both;
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* ===========================
   Track & Trace Section
   =========================== */
.track-section {
    margin-top: -50px;
    position: relative;
    z-index: 10;
}

.track-box {
    background-color: var(--color-white);
    box-shadow: var(--shadow-neutral-10) 0px 10px 30px;
    padding: 30px;
    border-radius: 10px;
}

.track-box h3 {
    color: var(--color-dark);
    margin-bottom: 20px;
    font-size: 24px;
}

/* ===========================
   Introduction Section
   =========================== */
.introduction-section {
    background-color: var(--color-light-gray);
    padding: 80px 0;
}

.introduction-grid {
    display: grid;
    grid-template-columns: repeat(6, 1fr);
    gap: 30px;
    align-items: stretch;
}

.introduction-item {
    display: flex;
    flex-direction: column;
    background-color: var(--color-white);
    border-radius: 10px;
    padding: 20px;
    box-shadow: 0 5px 15px var(--color-primary);
    transition: all 0.3s ease;
}

.introduction-item:hover {
    transform: translateY(-8px);
}

.introduction-item img {
    width: 100%;
    height: auto;
    max-height: 120px;
    object-fit: contain;
}

.introduction-item-icon {
    flex-direction: column;
    gap: 10px;
}

.introduction-item-icon i {
    font-size: 24px;
    color: var(--color-accent);
}

.introduction-item-icon h4 {
    color: var(--color-dark);
    font-weight: 600;
    font-size: 20px;
}

.introduction-track-section .track-box h3 {
    margin-bottom: 25px;
}

.introduction-track-section .introduction-item {
    padding: 15px;
}

/* ===========================
   About Section
   =========================== */
.about-section {
    padding: 100px 0;
}

.about-grid {
    display: grid;
    grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
    gap: 50px;
    align-items: center;
}

.about-image {
    position: relative;
}

/* ===========================
   Fabrication Section
   =========================== */
.fabrication-knowledge-section {
    padding: 100px 0;
    background-color: var(--color-light-gray);
}

.section-header-center {
    text-align: center;
    margin: 0 auto 40px;
    max-width: 760px;
}

.section-header-center h2 {
    font-size: 38px;
    margin-bottom: 16px;
}

.section-header-center p {
    color: var(--color-dark);
    font-size: 17px;
    line-height: 1.8;
}

.fabrication-tabs {
    display: grid;
    grid-template-columns: minmax(260px, 300px) minmax(0, 1fr);
    gap: 24px;
    align-items: start;
}

.fabrication-tabs-nav {
    display: inline-flex;
    flex-direction: column;
    gap: 10px;
    padding: 20px;
    background-color: var(--color-white);
    border-radius: 16px;
    box-shadow: 0 15px 35px rgba(var(--color-neutral-rgb), 0.08);
    width: fit-content;
    max-width: 100%;
    overflow: hidden;
}

.fabrication-tab-button {
    border: none;
    background-color: transparent;
    color: var(--color-dark);
    font-family: inherit;
    font-size: 16px;
    font-weight: 600;
    text-align: left;
    padding: 12px 14px;
    border-radius: 10px;
    cursor: pointer;
    transition: all 0.3s ease;
    width: 100%;
    min-width: 160px;
    max-width: 100%;
}

.fabrication-tab-button:hover,
.fabrication-tab-button.active {
    background-color: var(--color-accent);
    color: var(--color-white);
}

.fabrication-tabs-panels {
    background-color: var(--color-white);
    border-radius: 16px;
    padding: 24px;
    box-shadow: 0 15px 35px rgba(var(--color-neutral-rgb), 0.08);
    min-height: 420px;
}

.fabrication-tab-panel {
    display: none;
}

.fabrication-tab-panel.active {
    display: block;
}

.fabrication-grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 20px;
}

.fabrication-grid-card {
    grid-template-columns: repeat(2, minmax(0, 1fr));
}

.fabrication-card {
    display: flex;
    flex-direction: column;
    background-color: var(--color-light-gray);
    border: 1px solid rgba(var(--color-neutral-rgb), 0.06);
    border-radius: 14px;
    overflow: hidden;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.fabrication-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 16px 32px rgba(var(--color-neutral-rgb), 0.1);
}

.fabrication-card img {
    width: 100%;
    aspect-ratio: 4 / 3;
    object-fit: cover;
}

.fabrication-card-body {
    padding: 16px;
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.fabrication-pane-title {
    font-size: 20px;
    color: var(--color-accent);
    margin-bottom: 6px;
    font-weight: 700;
    line-height: 1.2;
    white-space: normal;
    width: 100%;
    word-break: break-word;
}

.fabrication-card-body h3,
.fabrication-card-body h4 {
    font-size: 18px;
    color: var(--color-accent);
}

.fabrication-card-body p {
    color: var(--color-gray);
    font-size: 14px;
    line-height: 1.7;
    margin-top: 8px;
}

.fabrication-card-temp {
    justify-content: flex-start;
    min-height: 100%;
}

.services-highlight-section {
    padding: 100px 0;
    background-color: var(--color-white);
}

.product-detail-hero {
    padding: 80px 0 60px;
    background: linear-gradient(135deg, rgba(var(--color-accent-rgb), 0.04), rgba(var(--color-primary-rgb), 0.12));
}

.product-detail-card {
    background-color: var(--color-white);
    border-radius: 24px;
    padding: 40px;
    box-shadow: 0 20px 45px rgba(var(--color-neutral-rgb), 0.08);
}

.product-detail-content h1 {
    font-size: 40px;
    color: var(--color-accent);
    margin-bottom: 16px;
}

.product-detail-content p {
    color: var(--color-dark);
    font-size: 16px;
    line-height: 1.8;
    margin-bottom: 14px;
}

.product-featured-section {
    padding: 90px 0 100px;
    background-color: var(--color-white);
}

.fabrication-detail-section {
    padding: 90px 0 70px;
    background-color: var(--color-light-gray);
}

.fabrication-detail-grid {
    display: grid;
    grid-template-columns: minmax(0, 1.05fr) minmax(0, 0.95fr);
    gap: 32px;
    align-items: start;
}

.fabrication-detail-copy h2 {
    font-size: 34px;
    color: var(--color-accent);
    margin: 14px 0 18px;
}

.fabrication-detail-copy p {
    color: var(--color-dark);
    font-size: 16px;
    line-height: 1.8;
    margin-bottom: 14px;
}

.fabrication-benefits-card {
    background-color: var(--color-white);
    border-radius: 20px;
    padding: 30px;
    box-shadow: 0 18px 40px rgba(var(--color-neutral-rgb), 0.08);
}

.fabrication-benefits-card h3 {
    color: var(--color-accent);
    font-size: 24px;
    margin-bottom: 16px;
}

.fabrication-specs-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 18px;
    margin-top: 22px;
}

.fabrication-specs-block {
    background-color: rgba(var(--color-accent-rgb), 0.04);
    border: 1px solid rgba(var(--color-accent-rgb), 0.12);
    border-radius: 14px;
    padding: 18px;
}

.fabrication-specs-block h4 {
    color: var(--color-accent);
    font-size: 16px;
    margin-bottom: 10px;
}

.fabrication-specs-block ul {
    list-style: disc;
    padding-left: 18px;
}

.fabrication-specs-block li {
    color: var(--color-dark);
    font-size: 14px;
    line-height: 1.7;
    margin-bottom: 6px;
}

.fabrication-image-card {
    background-color: var(--color-light-gray);
    border-radius: 20px;
    padding: 18px;
    box-shadow: 0 16px 36px rgba(var(--color-neutral-rgb), 0.08);
}

.fabrication-image-card img {
    width: 100%;
    border-radius: 14px;
    object-fit: cover;
    aspect-ratio: 16 / 9;
}

.engineering-process-section {
    background-color: var(--color-white);
}

.engineering-subsection {
    margin-top: 36px;
}

.engineering-subsection h3 {
    font-size: 30px;
    color: var(--color-accent);
    margin-bottom: 18px;
}

.engineering-factors-grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 18px;
}

.engineering-factor-card {
    background-color: var(--color-light-gray);
    border: 1px solid rgba(var(--color-neutral-rgb), 0.1);
    border-radius: 14px;
    padding: 20px;
    box-shadow: 0 10px 24px rgba(var(--color-neutral-rgb), 0.05);
}

.engineering-factor-card h4 {
    color: var(--color-accent);
    font-size: 18px;
    margin-bottom: 8px;
}

.engineering-factor-card p {
    color: var(--color-dark);
    font-size: 14px;
    line-height: 1.7;
}

.engineering-specification-block {
    display: grid;
    grid-template-columns: minmax(0, 1.1fr) minmax(0, 0.9fr);
    gap: 26px;
    align-items: start;
}

.engineering-specification-copy p {
    color: var(--color-dark);
    line-height: 1.8;
}

.engineering-specification-card {
    background-color: var(--color-light-gray);
    border: 1px solid rgba(var(--color-neutral-rgb), 0.1);
    border-radius: 16px;
    padding: 22px 24px;
    box-shadow: 0 12px 28px rgba(var(--color-neutral-rgb), 0.06);
}

.engineering-specification-card .feature-list {
    margin: 0;
}

.manufacturing-process-grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 18px;
}

.manufacturing-process-card {
    background-color: var(--color-light-gray);
    border: 1px solid rgba(var(--color-neutral-rgb), 0.1);
    border-radius: 14px;
    padding: 22px;
    box-shadow: 0 10px 24px rgba(var(--color-neutral-rgb), 0.05);
}

.manufacturing-process-icon {
    width: 50px;
    height: 50px;
    border-radius: 50%;
    display: grid;
    place-items: center;
    background-color: rgba(var(--color-accent-rgb), 0.1);
    color: var(--color-accent);
    font-size: 22px;
    margin-bottom: 14px;
}

.manufacturing-process-card h3 {
    color: var(--color-accent);
    font-size: 20px;
    margin-bottom: 8px;
}

.manufacturing-process-card p {
    color: var(--color-dark);
    font-size: 14px;
    line-height: 1.7;
}

.machining-timeline {
    position: relative;
    display: flex;
    flex-direction: column;
    gap: 18px;
    max-width: 980px;
    margin: 0 auto;
}

.machining-timeline::before {
    content: '';
    position: absolute;
    left: 24px;
    top: 10px;
    bottom: 10px;
    width: 2px;
    background: linear-gradient(to bottom, rgba(var(--color-accent-rgb), 0.35), rgba(var(--color-accent-rgb), 0.12));
}

.machining-step {
    position: relative;
    display: flex;
    gap: 16px;
    align-items: flex-start;
    padding: 18px 20px;
    border-radius: 14px;
    border: 1px solid rgba(var(--color-neutral-rgb), 0.08);
    background-color: var(--color-light-gray);
    box-shadow: 0 10px 24px rgba(var(--color-neutral-rgb), 0.05);
}

.machining-step-marker {
    position: relative;
    z-index: 1;
    flex-shrink: 0;
    width: 48px;
    height: 48px;
    border-radius: 50%;
    display: grid;
    place-items: center;
    background-color: rgba(var(--color-accent-rgb), 0.12);
    color: var(--color-accent);
    font-weight: 700;
    font-size: 14px;
}

.machining-step-content h3 {
    color: var(--color-accent);
    font-size: 20px;
    margin-bottom: 8px;
}

.machining-step-content p {
    color: var(--color-dark);
    font-size: 14px;
    line-height: 1.7;
}

.machining-step-btn {
    margin-top: 12px;
}

.finishing-carousel {
    max-width: 1100px;
    margin: 0 auto;
}

.finishing-carousel > h3 {
    text-align: center;
    color: var(--color-accent);
    font-size: 30px;
    margin: 0 0 20px;
}

.finishing-carousel-controls {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 14px;
    margin-bottom: 18px;
}

.finishing-carousel-control {
    width: 42px;
    height: 42px;
    border-radius: 50%;
    border: 1px solid rgba(var(--color-accent-rgb), 0.24);
    background-color: var(--color-white);
    color: var(--color-accent);
    display: grid;
    place-items: center;
    cursor: pointer;
    transition: all 0.25s ease;
}

.finishing-carousel-control:hover:not(:disabled) {
    background-color: rgba(var(--color-accent-rgb), 0.1);
}

.finishing-carousel-control:disabled {
    opacity: 0.45;
    cursor: not-allowed;
}

.finishing-carousel-counter {
    min-width: 62px;
    text-align: center;
    color: var(--color-accent);
    font-weight: 600;
}

.finishing-carousel-page {
    animation: fadeIn 0.35s ease;
}

.finishing-carousel-grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 18px;
}

.finishing-treatment-card {
    background-color: var(--color-light-gray);
    border: 1px solid rgba(var(--color-neutral-rgb), 0.1);
    border-radius: 14px;
    overflow: hidden;
    box-shadow: 0 12px 28px rgba(var(--color-neutral-rgb), 0.06);
}

.finishing-treatment-card img {
    width: 100%;
    aspect-ratio: 4 / 3;
    object-fit: cover;
}

.finishing-treatment-card h3 {
    font-size: 16px;
    color: var(--color-accent);
    text-align: center;
    padding: 12px 14px 14px;
}

.finishing-treatment-card-detail {
    display: flex;
    flex-direction: column;
}

.finishing-treatment-card-detail h3 {
    padding-bottom: 8px;
}

.finishing-treatment-card-detail p {
    color: var(--color-dark);
    font-size: 14px;
    line-height: 1.7;
    padding: 0 14px 14px;
}

.finishing-treatment-link {
    margin: auto 14px 14px;
    display: inline-flex;
    align-items: center;
    gap: 8px;
    color: var(--color-accent);
    font-weight: 600;
}

.finishing-treatment-link:hover {
    color: var(--color-secondary);
}

.finishing-reasons-section {
    padding: 90px 0;
    background-color: var(--color-light-gray);
}

.finishing-reasons-grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 18px;
}

.finishing-reason-card {
    background-color: var(--color-white);
    border: 1px solid rgba(var(--color-neutral-rgb), 0.1);
    border-radius: 14px;
    padding: 20px;
    box-shadow: 0 10px 24px rgba(var(--color-neutral-rgb), 0.05);
}

.finishing-reason-card h3 {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 20px;
    color: var(--color-accent);
    margin-bottom: 8px;
}

.finishing-reason-card h3 i {
    color: var(--color-accent);
}

.finishing-reason-card p {
    color: var(--color-dark);
    font-size: 14px;
    line-height: 1.7;
}

.finishing-selection-section {
    padding: 90px 0;
    background-color: var(--color-white);
}

.finishing-selection-grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 26px;
}

.finishing-selection-card {
    padding: 0;
    border: none;
    box-shadow: none;
    background: transparent;
}

.finishing-selection-icon {
    width: 54px;
    height: 54px;
    border-radius: 50%;
    display: grid;
    place-items: center;
    background-color: rgba(var(--color-accent-rgb), 0.1);
    color: var(--color-accent);
    font-size: 22px;
    margin-bottom: 12px;
}

.finishing-selection-card h3 {
    color: var(--color-accent);
    font-size: 22px;
    margin-bottom: 8px;
}

.finishing-selection-card p {
    color: var(--color-dark);
    font-size: 15px;
    line-height: 1.8;
}

.product-gallery-grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 20px;
}

.product-gallery-card {
    background-color: var(--color-light-gray);
    border-radius: 16px;
    overflow: hidden;
    box-shadow: 0 12px 28px rgba(var(--color-neutral-rgb), 0.06);
}

.product-gallery-card img {
    width: 100%;
    aspect-ratio: 4 / 3;
    object-fit: cover;
}

.product-gallery-caption {
    padding: 14px 16px 16px;
    text-align: center;
}

.product-gallery-caption span {
    color: var(--color-accent);
    font-size: 14px;
    font-weight: 600;
}

.quality-control-section {
    padding: 100px 0;
    background-color: var(--color-light-gray);
}

.quality-control-grid {
    display: grid;
    grid-template-columns: minmax(0, 1.05fr) minmax(0, 0.95fr);
    gap: 40px;
    align-items: start;
}

.quality-control-intro h2 {
    font-size: 34px;
    color: var(--color-dark);
    margin-bottom: 18px;
}

.quality-control-intro p {
    color: var(--color-dark);
    font-size: 16px;
    line-height: 1.8;
    margin-bottom: 16px;
}

.quality-control-intro .btn {
    margin-top: 8px;
}

.quality-control-timeline {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.quality-step {
    display: flex;
    align-items: flex-start;
    gap: 16px;
    padding: 18px 20px;
    background-color: var(--color-white);
    border-radius: 14px;
    border: 1px solid rgba(var(--color-neutral-rgb), 0.08);
    box-shadow: 0 10px 24px rgba(var(--color-neutral-rgb), 0.05);
    opacity: 0.75;
    transform: translateY(16px);
    transition: all 0.6s ease;
}

.quality-step.is-active {
    opacity: 1;
    transform: translateY(0);
    border-color: rgba(var(--color-accent-rgb), 0.2);
    box-shadow: 0 16px 32px rgba(var(--color-accent-rgb), 0.12);
}

.quality-step-marker {
    flex-shrink: 0;
    width: 46px;
    height: 46px;
    border-radius: 50%;
    display: grid;
    place-items: center;
    background-color: rgba(var(--color-accent-rgb), 0.1);
    color: var(--color-accent);
    font-weight: 700;
    font-size: 14px;
}

.quality-step-content h3 {
    font-size: 18px;
    color: var(--color-accent);
    margin-bottom: 6px;
}

.quality-step-content p {
    color: var(--color-dark);
    font-size: 14px;
    line-height: 1.7;
}

.quality-framework-section {
    background-color: var(--color-white);
}

.quality-timeline-block {
    margin-top: 36px;
}

.quality-timeline-head h3 {
    font-size: 30px;
    color: var(--color-accent);
    margin-bottom: 10px;
}

.quality-timeline-head p {
    color: var(--color-dark);
    line-height: 1.8;
    margin-bottom: 18px;
}

.quality-timeline-controls {
    display: flex;
    justify-content: flex-end;
    gap: 10px;
    margin-bottom: 14px;
}

.quality-timeline-control {
    width: 42px;
    height: 42px;
    border-radius: 50%;
    border: 1px solid rgba(var(--color-accent-rgb), 0.22);
    background-color: var(--color-white);
    color: var(--color-accent);
    display: grid;
    place-items: center;
    cursor: pointer;
    transition: all 0.25s ease;
}

.quality-timeline-control:hover:not(:disabled) {
    background-color: rgba(var(--color-accent-rgb), 0.12);
    border-color: rgba(var(--color-accent-rgb), 0.35);
}

.quality-timeline-control:disabled {
    opacity: 0.45;
    cursor: not-allowed;
}

.quality-timeline-viewport {
    overflow: hidden;
}

.quality-timeline-track {
    display: flex;
    gap: 18px;
    transition: transform 0.35s ease;
    will-change: transform;
}

.quality-timeline-step {
    flex: 0 0 calc((100% - 54px) / 4);
    min-height: 220px;
    padding: 20px;
    border-radius: 16px;
    border: 1px solid rgba(var(--color-neutral-rgb), 0.1);
    background-color: var(--color-light-gray);
    box-shadow: 0 10px 24px rgba(var(--color-neutral-rgb), 0.06);
}

.quality-timeline-step-number {
    width: 42px;
    height: 42px;
    border-radius: 50%;
    display: grid;
    place-items: center;
    margin-bottom: 14px;
    font-weight: 700;
    color: var(--color-accent);
    background-color: rgba(var(--color-accent-rgb), 0.12);
}

.quality-timeline-step h4 {
    font-size: 18px;
    color: var(--color-accent);
    margin-bottom: 8px;
}

.quality-timeline-step p {
    color: var(--color-dark);
    font-size: 14px;
    line-height: 1.7;
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(5, minmax(0, 1fr));
    gap: 20px;
    align-items: stretch;
    max-width: 100%;
    margin: 0 auto;
}

.related-services-grid {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 20px;
}

.related-services-grid .service-card {
    flex: 0 1 280px;
    max-width: 320px;
}

.service-card {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    text-align: center;
    gap: 16px;
    padding: 28px 24px;
    background-color: var(--color-white);
    border: 1px solid rgba(var(--color-neutral-rgb), 0.08);
    border-radius: 16px;
    box-shadow: 0 12px 28px rgba(var(--color-neutral-rgb), 0.06);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.service-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 18px 36px rgba(var(--color-neutral-rgb), 0.1);
}

.service-icon {
    width: 56px;
    height: 56px;
    display: grid;
    place-items: center;
    border-radius: 50%;
    background-color: rgba(var(--color-accent-rgb), 0.08);
    color: var(--color-accent);
    font-size: 24px;
}

.service-content h3 {
    font-size: 20px;
    color: var(--color-accent);
    margin-bottom: 8px;
}

.service-content p {
    color: var(--color-dark);
    font-size: 15px;
    line-height: 1.7;
}

.fabrication-explore-link {
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 120px;
    padding: 24px 20px;
    text-align: center;
    border: 2px dashed rgba(var(--color-accent-rgb), 0.25);
    border-radius: 14px;
    background: linear-gradient(135deg, rgba(var(--color-accent-rgb), 0.04), rgba(var(--color-primary-rgb), 0.12));
    color: var(--color-accent);
    font-weight: 700;
    font-size: 16px;
    transition: all 0.3s ease;
}

.fabrication-explore-link:hover {
    border-color: var(--color-accent);
    background: linear-gradient(135deg, rgba(var(--color-accent-rgb), 0.08), rgba(var(--color-primary-rgb), 0.18));
    transform: translateY(-2px);
}

.card-icon {
    width: 48px;
    height: 48px;
    border-radius: 50%;
    display: grid;
    place-items: center;
    background-color: rgba(var(--color-accent-rgb), 0.08);
    color: var(--color-accent);
    font-size: 20px;
    margin: 16px 16px 0;
}

/* ===========================
   Mission & Vision Section
   =========================== */
.mission-vision-section {
    padding: 100px 0;
    background-color: var(--color-light-gray);
}

.mission-vision-grid {
    display: grid;
    grid-template-columns: minmax(0, 1.1fr) minmax(0, 0.9fr);
    gap: 40px;
    align-items: flex-start;
}

.mission-vision-info h2 {
    font-size: 38px;
    margin: 15px 0 22px;
}

.mission-vision-info p {
    color: var(--color-dark);
    line-height: 1.8;
    max-width: 640px;
}

.mission-vision-cards {
    display: grid;
    gap: 24px;
}

.mission-vision-card {
    background-color: var(--color-white);
    border-radius: 16px;
    padding: 32px 28px;
    box-shadow: 0 15px 35px rgba(var(--color-neutral-rgb), 0.08);
    border: 1px solid rgba(var(--color-neutral-rgb), 0.06);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.mission-vision-card:hover {
    transform: translateY(-6px);
    box-shadow: 0 22px 40px rgba(var(--color-neutral-rgb), 0.12);
}

.mission-vision-card h3 {
    color: var(--color-accent);
    font-size: 24px;
    margin-bottom: 16px;
}

.mission-vision-card p {
    color: var(--color-dark);
    line-height: 1.9;
}

@media (max-width: 980px) {
    .about-grid,
    .mission-vision-grid,
    .fabrication-tabs,
    .fabrication-detail-grid,
    .fabrication-specs-grid {
        grid-template-columns: 1fr;
    }

    .mission-vision-section,
    .fabrication-knowledge-section {
        padding: 60px 0;
    }

    .fabrication-tabs-nav {
        flex-direction: row;
        flex-wrap: wrap;
        align-items: center;
    }

    .fabrication-pane-title {
        width: 100%;
        white-space: normal;
    }

    .engineering-factors-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }

    .manufacturing-process-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }

    .finishing-carousel-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }

    .finishing-reasons-grid,
    .finishing-selection-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }

    .engineering-specification-block {
        grid-template-columns: 1fr;
    }

    .quality-timeline-step {
        flex-basis: calc((100% - 18px) / 2);
    }
}

@media (max-width: 640px) {
    .mission-vision-card {
        padding: 26px 22px;
    }

    .related-services-grid .service-card {
        flex-basis: 100%;
        max-width: 100%;
    }

    .engineering-factors-grid {
        grid-template-columns: 1fr;
    }

    .manufacturing-process-grid {
        grid-template-columns: 1fr;
    }

    .finishing-carousel-grid {
        grid-template-columns: 1fr;
    }

    .finishing-reasons-grid,
    .finishing-selection-grid {
        grid-template-columns: 1fr;
    }

    .machining-step {
        padding: 16px;
    }

    .machining-step-content h3 {
        font-size: 18px;
    }

    .quality-timeline-controls {
        justify-content: center;
    }

    .quality-timeline-step {
        flex-basis: 100%;
    }

    .fabrication-grid,
    .fabrication-grid-card {
        grid-template-columns: 1fr;
    }

    .fabrication-tabs-panels {
        padding: 18px;
        min-height: auto;
    }
}

.about-image img {
    border-radius: 10px;
    width: 100%;
    height: 500px;
    object-fit: cover;
    transition: transform 0.35s ease;
}

.about-image:hover img {
    transform: scale(1.04);
}

.experience-badge {
    position: absolute;
    bottom: -25px;
    right: -25px;
    background-color: var(--color-accent);
    color: var(--color-white);
    border-radius: 10px;
    padding: 22px 24px;
    text-align: center;
    box-shadow: 0 10px 24px var(--shadow-accent-strong);
}

.experience-badge h2 {
    font-size: 36px;
    margin-bottom: 5px;
}

.experience-badge p {
    font-size: 14px;
    line-height: 1.4;
}

.about-content h2 {
    font-size: 42px;
    margin-bottom: 20px;
}

.about-content p {
    color: var(--color-dark);
    margin-bottom: 18px;
    line-height: 1.8;
}

.feature-list {
    margin: 25px 0 30px;
}

.feature-list li {
    display: flex;
    align-items: flex-start;
    gap: 12px;
    margin-bottom: 12px;
    line-height: 1.7;
}

.feature-list i {
    color: var(--color-accent);
    margin-top: 5px;
}

/* ===========================
   CTA Section
   =========================== */
.cta-section {
    background-image: linear-gradient(var(--overlay-primary-soft), var(--overlay-dark-soft)), url('../images/banners/1.png');
    background-position: center;
    background-repeat: no-repeat;
    background-size: cover;
    background-attachment: fixed;
    color: var(--color-white);
    padding: 80px 0;
    text-align: center;
    position: relative;
}

.cta-content h2 {
    font-size: 42px;
    margin-bottom: 15px;
}

.cta-content p {
    font-size: 18px;
    margin-bottom: 30px;
    opacity: 0.9;
}

/* ===========================
   Blog Section
   =========================== */
.blog-section {
    padding: 100px 0;
    background-color: var(--color-light-gray);
}

.blog-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 360px));
    justify-content: center;
    gap: 30px;
}

.blog-card {
    background-color: var(--color-white);
    border-radius: 10px;
    overflow: hidden;
    transition: all 0.3s ease;
    box-shadow: 0 5px 15px var(--shadow-neutral-10);
    position: relative;
}

.blog-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 15px 30px var(--shadow-neutral-15);
}

.blog-date {
    position: absolute;
    top: 20px;
    left: 20px;
    background-color: var(--color-accent);
    color: var(--color-white);
    padding: 15px;
    border-radius: 5px;
    text-align: center;
    z-index: 1;
}

.blog-date .day {
    font-size: 24px;
    font-weight: 700;
    display: block;
}

.blog-date .month {
    font-size: 14px;
    text-transform: uppercase;
}

.blog-image {
    height: 250px;
    overflow: hidden;
}

.blog-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.3s ease;
}

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

.blog-content {
    padding: 30px;
}

.blog-meta {
    display: flex;
    gap: 20px;
    margin-bottom: 15px;
    font-size: 14px;
    color: var(--color-gray);
}

.blog-meta i {
    color: var(--color-primary);
    margin-right: 5px;
}

.blog-content h3 {
    font-size: 22px;
    margin-bottom: 15px;
    color: var(--color-dark);
}

.blog-content p {
    color: var(--color-gray);
    margin-bottom: 20px;
    line-height: 1.8;
}

/* ===========================
   Ads Section
   =========================== */
.ads-section {
    padding: 20px 0 0;
    background-color: var(--color-white);
}

.ads-carousel {
    overflow: hidden;
    background: var(--color-light-gray);
    padding: 20px 0;
}

.ads-track {
    display: flex;
    width: max-content;
    gap: 0;
    animation: adsScroll 45s linear infinite;
    will-change: transform;
}

.ads-group {
    display: flex;
    gap: 20px;
    flex-shrink: 0;
}

.ad-item {
    width: 300px;
    height: 180px;
    flex: 0 0 auto;
    background: var(--color-white);
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 12px;
    box-shadow: 0 6px 18px var(--shadow-neutral-08);
}

.ad-item img {
    width: 100%;
    height: 100%;
    object-fit: contain;
}

@keyframes adsScroll {
    from {
        transform: translateX(0);
    }
    to {
        transform: translateX(-50%);
    }
}

/* ===========================
   Footer
   =========================== */
.footer {
    background-color: var(--color-accent);
    color: var(--color-white);
    padding: 80px 0 0;
}

.footer-grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 40px;
    margin-bottom: 50px;
    align-items: stretch;
}

.footer-col {
    min-width: 0;
    text-align: center;
    display: flex;
    flex-direction: column;
    align-items: center;
}

.footer-logo {
    width: min(160px, 80%);
    height: auto;
    margin: 0 auto 12px;
    object-fit: contain;
}

.footer-col:first-child p {
    max-width: 34ch;
    margin: 0 auto 6px;
    line-height: 1.7;
}

.footer-col h3 {
    font-size: 22px;
    margin-bottom: 25px;
    color: var(--color-primary);
}

.contact-info li {
    display: flex;
    align-items: flex-start;
    justify-content: center;
    gap: 15px;
    margin-bottom: 15px;
    line-height: 1.8;
}

.contact-info i {
    color: var(--color-accent);
    margin-top: 5px;
    font-size: 18px;
}

.introduction-links {
    display: flex;
    gap: 15px;
    margin-top: 20px;
}

.introduction-links a {
    width: 40px;
    height: 40px;
    background-color: var(--color-primary);
    color: var(--color-white);
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    transition: all 0.3s ease;
}

.introduction-links a:hover {
    background-color: var(--color-accent);
    transform: translateY(-5px);
}

.footer-links li {
    margin-bottom: 12px;
}

.footer-links a {
    color: var(--overlay-white-80);
    transition: all 0.3s ease;
}

.footer-links a:hover {
    color: var(--color-primary);
    padding-left: 5px;
}

.footer-col p {
    color: var(--overlay-white-80);
    line-height: 1.8;
    margin-bottom: 20px;
}

.footer-bottom {
    border-top: 1px solid var(--overlay-white-10);
    padding: 30px 0;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.footer-bottom p {
    color: var(--overlay-white-80);
}

.footer-bottom-links {
    display: flex;
    gap: 20px;
}

.footer-bottom-links a {
    color: var(--overlay-white-80);
}

.footer-bottom-links a:hover {
    color: var(--color-primary);
}

/* ===========================
   Responsive Design
   =========================== */
@media (max-width: 992px) {
    .logo img {
        height: 70px;
    }

    .nav-menu {
        position: fixed;
        left: -100%;
        top: 70px;
        flex-direction: column;
        background-color: var(--color-white);
        width: 100%;
        text-align: center;
        transition: 0.3s;
        box-shadow: 0 10px 27px var(--shadow-neutral-05);
        padding: 20px 0;
    }

    .nav-menu > li {
        width: 100%;
    }

    .nav-menu a,
    .nav-submenu-toggle {
        justify-content: center;
    }

    .nav-submenu {
        position: static;
        top: auto;
        left: auto;
        min-width: 0;
        width: min(100%, 300px);
        margin: 8px auto 0;
        opacity: 1;
        visibility: visible;
        transform: none;
        box-shadow: none;
        border-radius: 8px;
        background: var(--color-light-gray);
        padding: 0;
        display: none;
    }

    .nav-submenu li {
        border-top: 1px solid var(--border-neutral-soft);
    }

    .nav-submenu li:first-child {
        border-top: none;
    }

    .nav-submenu a {
        text-align: center;
        padding: 10px 14px;
    }

    .nav-item-has-children:hover .nav-submenu,
    .nav-item-has-children:focus-within .nav-submenu {
        display: none;
    }

    .nav-item-has-children.submenu-open .nav-submenu {
        display: block;
    }

    .nav-menu.active {
        left: 0;
    }

    .hamburger {
        display: flex;
    }

    .about-grid,
    .blog-grid,
    .footer-grid {
        grid-template-columns: 1fr;
    }

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

    .footer-logo {
        width: min(200px, 72%);
    }

    .footer-col:first-child p {
        max-width: 40ch;
    }

    .hero h1 {
        font-size: 42px;
        line-height: 1.25;
    }

    .hero-slider {
        min-height: 510px;
    }

    .hero-slider-control {
        width: 42px;
        height: 42px;
    }

    .hero-slider-prev {
        left: 14px;
    }

    .hero-slider-next {
        right: 14px;
    }

    .cta-section {
        background-attachment: scroll;
    }

    .ad-item {
        width: 240px;
        height: 150px;
    }

}

@media (max-width: 768px) {
    .logo img {
        height: 60px;
    }

    .top-bar-content {
        flex-direction: column;
        gap: 10px;
        text-align: center;
    }

    .top-bar-left span {
        display: block;
        margin: 5px 0;
    }

    .hero {
        padding: 60px 0;
    }

    .hero-slider {
        min-height: 470px;
    }

    .hero-slide {
        padding: 70px 0;
    }

    .hero h1 {
        font-size: 36px;
        line-height: 1.2;
    }

    .about-section,
    .blog-section {
        padding: 60px 0;
    }

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

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

    .footer-logo {
        width: min(180px, 68%);
        margin-bottom: 10px;
    }

    .footer-col:first-child p {
        max-width: 36ch;
        margin-bottom: 6px;
    }

    .hero-buttons {
        flex-direction: column;
    }

    .hero-slider-control {
        top: auto;
        bottom: 22px;
        transform: none;
        width: 38px;
        height: 38px;
    }

    .hero-slider-prev {
        left: 20px;
    }

    .hero-slider-next {
        right: 20px;
    }

    .hero-slider-dots {
        bottom: 34px;
    }

    .footer-bottom {
        flex-direction: column;
        gap: 15px;
        text-align: center;
    }

    .ads-section {
        padding: 60px 0;
    }

    .ad-item {
        width: 200px;
        height: 130px;
    }

}

/* ===========================
   Shared Inner Page Header
   =========================== */
.page-header {
    background:
        linear-gradient(var(--overlay-primary-soft), var(--overlay-dark-soft)),
        url('../images/banners/1.png') center top/cover no-repeat;
    color: var(--color-white);
    padding: 80px 0;
    text-align: center;
}

.page-header h1 {
    font-size: 48px;
    margin-bottom: 15px;
}

.breadcrumb {
    display: flex;
    justify-content: center;
    gap: 10px;
    font-size: 16px;
}

.breadcrumb a {
    color: var(--color-white);
}

.breadcrumb a:hover {
    color: var(--color-accent);
}

.btn-full-width {
    width: 100%;
    padding: 15px;
}

/* ===========================
   Contact Page
   =========================== */
.contact-section {
    padding: 100px 0;
}

.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    margin-bottom: 60px;
}

.contact-info-box {
    background-color: var(--color-white);
    padding: 40px;
    border-radius: 10px;
    box-shadow: 0 5px 20px var(--shadow-neutral-10);
}

.contact-info-box h2 {
    font-size: 36px;
    margin-bottom: 20px;
    color: var(--color-dark);
}

.contact-info-box p {
    color: var(--color-dark);
    line-height: 1.8;
    margin-bottom: 30px;
}

.info-items {
    display: flex;
    flex-direction: column;
    gap: 25px;
}

.contact-info-form-header {
    margin-top: 32px;
    margin-bottom: 16px;
}

.contact-info-form {
    margin-top: 0;
}

.form-message {
    min-height: 24px;
    margin: 8px 0 16px;
    font-size: 14px;
    font-weight: 500;
}

.text-success {
    color: var(--color-primary);
}

.text-danger {
    color: var(--color-accent);
}

.contact-info-form button[disabled] {
    opacity: 0.75;
    cursor: not-allowed;
}

.info-item {
    display: flex;
    align-items: flex-start;
    gap: 20px;
}

.info-icon {
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, var(--color-primary), var(--color-secondary));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.info-icon i {
    font-size: 24px;
    color: var(--color-white);
}

.info-content h4 {
    font-size: 18px;
    margin-bottom: 8px;
    color: var(--color-dark);
}

.info-content p {
    margin: 0;
    font-size: 15px;
}

.contact-form-box {
    background-color: var(--color-white);
    padding: 40px;
    border-radius: 10px;
    box-shadow: 0 5px 20px var(--shadow-neutral-10);
    display: flex;
    flex-direction: column;
}

.contact-form-box h2 {
    font-size: 36px;
    margin-bottom: 20px;
    color: var(--color-dark);
}

.contact-form-box .subtitle {
    margin-bottom: 10px;
    text-align: left;
}

.google-form-embed {
    width: 100%;
    min-height: 760px;
    border: 0;
    border-radius: 8px;
    background-color: var(--color-light-gray);
}

.contact-form-box .google-form-embed {
    min-height: 820px;
    height: var(--contact-iframe-height);
}

.form-group {
    margin-bottom: 25px;
}

.form-group label {
    display: block;
    margin-bottom: 8px;
    color: var(--color-dark);
    font-weight: 500;
}

.required-asterisk {
    color: var(--color-accent);
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 12px 20px;
    border: 2px solid var(--color-light-gray);
    border-radius: 5px;
    font-size: 15px;
    font-family: 'Poppins', sans-serif;
    transition: border-color 0.3s ease;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--color-primary);
}

.form-group textarea {
    resize: vertical;
    min-height: 120px;
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
}

/* ===========================
   Join Page
   =========================== */
.join-intro {
    padding: 100px 0;
    text-align: center;
}

.join-intro h2 {
    font-size: 42px;
    margin-bottom: 20px;
    color: var(--color-dark);
}

.join-intro p {
    font-size: 18px;
    color: var(--color-gray);
    max-width: 800px;
    margin: 0 auto 40px;
    line-height: 1.8;
}

.application-section {
    background-color: var(--color-light-gray);
    padding: 100px 0;
}

.application-form-container {
    --application-iframe-height: 980px;
    --application-extra-height: 0px;
    max-width: 900px;
    margin: 50px auto 0;
    background-color: var(--color-white);
    padding: 50px;
    border-radius: 10px;
    box-shadow: 0 5px 20px var(--shadow-neutral-10);
    display: flex;
    flex-direction: column;
    min-height: calc(var(--application-iframe-height) + var(--application-extra-height));
}

.application-form-container .google-form-open {
    margin-top: 20px;
}

.application-form-container .google-form-embed {
    min-height: 820px;
    height: var(--application-iframe-height);
}

/* ===========================
   Additional Responsive Rules
   =========================== */
@media (max-width: 992px) {
    .contact-grid {
        grid-template-columns: 1fr;
    }

    .form-row {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 768px) {
    .page-header {
        background-position: center center;
    }

    .activities-updates-section .blog-list {
        margin-top: 35px;
    }

    .activities-updates-section .blog-card-large .blog-image {
        height: 240px;
    }

    .activities-updates-section .blog-card-large .blog-content {
        padding: 24px;
    }

    .activity-detail-content {
        padding: 24px;
    }

    .activity-detail-content h2 {
        font-size: 28px;
    }

    .activity-detail-nav {
        grid-template-columns: 1fr;
        justify-items: start;
    }

    .activity-detail-nav .read-more:first-child,
    .activity-detail-nav .read-more:nth-child(2),
    .activity-detail-nav .read-more:last-child {
        justify-self: start;
    }

    .page-header h1 {
        font-size: 36px;
    }

    .blog-card-large .blog-content {
        padding: 25px;
    }

    .blog-card-large h3 {
        font-size: 22px;
    }

    .contact-info-box h2,
    .contact-form-box h2 {
        font-size: 28px;
    }

    .contact-form-box,
    .contact-info-box {
        padding: 25px;
    }

    .join-intro h2 {
        font-size: 32px;
    }

    .application-form-container {
        margin-top: 35px;
        padding: 24px 16px;
    }

    .application-form-container .google-form-open {
        margin-top: 16px;
    }

}

@media (max-width: 480px) {
    .page-header {
        background-position: 60% center;
        padding: 60px 0;
    }

    .page-header h1 {
        font-size: 30px;
    }

    .application-form-container {
        margin-top: 28px;
        padding: 20px 12px;
    }

    .application-form-container .google-form-embed {
        min-height: 760px;
    }

    .contact-form-box .google-form-embed {
        min-height: 760px;
    }

    .breadcrumb {
        font-size: 14px;
        gap: 6px;
        flex-wrap: wrap;
        justify-content: center;
    }

    .breadcrumb span {
        line-height: 1.2;
    }
}

@media (max-width: 360px) {
    .page-header {
        padding: 50px 0;
    }
}