/* ========== DESIGN SYSTEM & CSS VARIABLES ========== */
:root {
    --primary: #0b1c33;
    --secondary: #0f294a;
    --accent: #dfb96c;
    --accent-hover: #cfa459;
    --text-main: #333333;
    --text-muted: #7f8c9d;
    --text-white: #ffffff;
    --bg-light: #f4f7fa;
    --bg-dark: #071526;
    --bg-white: #ffffff;
    --border-color: #e1e8f0;
    --font-main: 'Montserrat', sans-serif;
    --font-heading: 'Raleway', sans-serif;
    --transition-fast: 0.2s ease;
    --transition-slow: 0.5s ease;
    --shadow: 0 8px 30px rgba(0, 0, 0, 0.06);
    --shadow-premium: 0 20px 40px rgba(7, 21, 38, 0.12);
    --radius: 8px;
    --space-xs: 8px;
    --space-s: 16px;
    --space-m: 24px;
    --space-l: 32px;
    --space-xl: 48px;
}

/* ========== UNIVERSAL RESET & BASE STYLES ========== */
*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    scroll-behavior: smooth;
    font-size: 16px;
}

body {
    font-family: var(--font-main);
    color: var(--text-main);
    background-color: var(--bg-white);
    line-height: 1.6;
    overflow-x: hidden;
}

a {
    color: inherit;
    text-decoration: none;
    transition: color var(--transition-fast);
}

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

h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-heading);
    font-weight: 700;
    line-height: 1.2;
    color: var(--primary);
}

p {
    margin-bottom: var(--space-s);
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--space-m);
    position: relative;
    width: 100%;
}

.text-center { text-align: center; }
.mb-s { margin-bottom: var(--space-xs); }
.mb-m { margin-bottom: var(--space-s); }
.mb-l { margin-bottom: var(--space-m); }
.mb-xl { margin-bottom: var(--space-xl); }
.mt-m { margin-top: var(--space-m); }
.mt-xl { margin-top: var(--space-xl); }

/* ========== PREMIUM COMPONENTS & BUTTONS ========== */
.gt-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-family: var(--font-main);
    font-weight: 600;
    font-size: 14px;
    letter-spacing: 1px;
    padding: 14px 28px;
    border-radius: 4px;
    cursor: pointer;
    transition: all var(--transition-fast);
    border: 2px solid transparent;
    text-transform: uppercase;
}

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

.gt-btn--primary:hover {
    background-color: var(--accent-hover);
    transform: translateY(-2px);
    box-shadow: 0 10px 20px rgba(223, 185, 108, 0.3);
}

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

.gt-btn--secondary:hover {
    background-color: var(--secondary);
    transform: translateY(-2px);
    box-shadow: 0 10px 20px rgba(11, 28, 51, 0.2);
}

.gt-btn--outline-custom {
    background-color: transparent;
    color: var(--text-white);
    border-color: var(--text-white);
}

.gt-btn--outline-custom:hover {
    background-color: var(--text-white);
    color: var(--primary);
}

.gt-btn--sm {
    padding: 8px 16px;
    font-size: 12px;
}

.rounded-shadow {
    border-radius: var(--radius);
    box-shadow: var(--shadow-premium);
}

.img-responsive {
    width: 100%;
    height: auto;
    object-fit: cover;
}

/* ========== TOP BAR ========== */
.gt-topbar {
    background-color: var(--primary);
    color: var(--text-white);
    font-size: 12px;
    padding: 8px 0;
    border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.gt-topbar .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.gt-topbar__left, .gt-topbar__right {
    display: flex;
    gap: var(--space-m);
}

.gt-topbar__item {
    display: flex;
    align-items: center;
    gap: 6px;
    opacity: 0.85;
}

.gt-topbar__item i {
    color: var(--accent);
}

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

/* ========== NAVBAR ========== */
.gt-navbar {
    background-color: var(--bg-white);
    box-shadow: var(--shadow);
    position: sticky;
    top: 0;
    z-index: 100;
    transition: background-color var(--transition-fast), padding var(--transition-fast);
    padding: var(--space-s) 0;
}

.gt-navbar .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.gt-navbar__logo {
    display: flex;
    align-items: center;
}

.gt-navbar__logo .logo-img {
    height: 52px;
    width: auto;
    display: block;
    transition: transform var(--transition-fast);
}

.gt-navbar__logo:hover .logo-img {
    transform: scale(1.04);
}

.logo-text {
    font-family: var(--font-heading);
    font-weight: 800;
    font-size: 24px;
    color: var(--primary);
    letter-spacing: 2px;
}

.logo-accent {
    color: var(--accent);
}

.gt-navbar__menu {
    display: flex;
    align-items: center;
    gap: var(--space-l);
}

.gt-navbar__link {
    font-family: var(--font-main);
    font-weight: 600;
    font-size: 14px;
    color: var(--primary);
    position: relative;
    padding: 8px 0;
}

.gt-navbar__link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background-color: var(--accent);
    transition: width var(--transition-fast);
}

.gt-navbar__link:hover::after, .gt-navbar__link.active::after {
    width: 100%;
}

.gt-navbar__link:hover, .gt-navbar__link.active {
    color: var(--accent-hover);
}

/* Dropdown Menu */
.gt-dropdown {
    position: relative;
}

.gt-dropdown .gt-dropdown__toggle i {
    font-size: 10px;
    margin-left: 4px;
    transition: transform var(--transition-fast);
}

.gt-dropdown:hover .gt-dropdown__toggle i {
    transform: rotate(180deg);
}

.gt-dropdown__menu {
    position: absolute;
    top: 100%;
    left: 0;
    background-color: var(--bg-white);
    box-shadow: var(--shadow-premium);
    border-radius: 4px;
    min-width: 240px;
    display: flex;
    flex-direction: column;
    padding: 8px 0;
    opacity: 0;
    visibility: hidden;
    transform: translateY(10px);
    transition: all var(--transition-fast);
}

.gt-dropdown:hover .gt-dropdown__menu {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.gt-dropdown__item {
    padding: 10px 20px;
    font-size: 13px;
    font-weight: 500;
    color: var(--primary);
}

.gt-dropdown__item:hover {
    background-color: var(--bg-light);
    color: var(--accent-hover);
}

.gt-lang-switch {
    display: flex;
    align-items: center;
    gap: 6px;
    font-weight: 700;
    font-size: 13px;
    color: var(--primary);
    border: 1px solid var(--border-color);
    padding: 6px 12px;
    border-radius: 4px;
}

.gt-lang-switch:hover {
    border-color: var(--accent);
    color: var(--accent-hover);
}

.gt-mobile-toggle {
    display: none;
    flex-direction: column;
    gap: 6px;
    background: none;
    border: none;
    cursor: pointer;
}

.gt-mobile-toggle span {
    display: block;
    width: 28px;
    height: 3px;
    background-color: var(--primary);
    transition: all var(--transition-fast);
}

/* ========== HERO SECTION ========== */
.gt-hero {
    height: 85vh;
    position: relative;
    overflow: hidden;
    color: var(--text-white);
    display: flex;
    align-items: center;
}

.gt-hero__video-wrapper {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 1;
}

.gt-hero__video-wrapper video {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.gt-hero__overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, rgba(7, 21, 38, 0.85) 0%, rgba(11, 28, 51, 0.4) 100%);
    z-index: 2;
}

.gt-hero__content {
    position: relative;
    z-index: 3;
    width: 100%;
}

.gt-hero__text {
    max-width: 700px;
}

.gt-hero__subtitle {
    font-family: var(--font-heading);
    font-weight: 700;
    font-size: 18px;
    color: var(--accent);
    text-transform: uppercase;
    letter-spacing: 3px;
    display: block;
    margin-bottom: var(--space-s);
}

.gt-hero__title {
    color: var(--text-white);
    font-size: 56px;
    font-weight: 800;
    margin-bottom: var(--space-s);
    text-shadow: 0 2px 4px rgba(0,0,0,0.3);
}

.gt-hero__desc {
    font-size: 18px;
    opacity: 0.95;
    margin-bottom: var(--space-l);
    font-weight: 400;
}

.gt-hero__notice {
    position: absolute;
    bottom: var(--space-l);
    right: var(--space-l);
    background: rgba(11, 28, 51, 0.85);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255,255,255,0.1);
    border-radius: var(--radius);
    padding: 16px var(--space-m);
    z-index: 4;
    display: flex;
    align-items: center;
    gap: var(--space-s);
    max-width: 320px;
}

.gt-hero__notice i {
    color: var(--accent);
    font-size: 28px;
}

.gt-hero__notice strong {
    display: block;
    font-size: 13px;
    color: var(--text-white);
}

.gt-hero__notice span {
    font-size: 11px;
    color: var(--text-muted);
}

/* ========== HERO SHAPE DIVIDER ========== */
.gt-hero__shape-divider {
    position: absolute;
    bottom: -1px;
    left: 0;
    width: 100%;
    overflow: hidden;
    line-height: 0;
    z-index: 3;
}

.gt-hero__shape-divider svg {
    position: relative;
    display: block;
    width: calc(100% + 1.3px);
    height: 80px;
}

.gt-hero__shape-divider .shape-fill {
    fill: var(--bg-white);
}

@media (max-width: 768px) {
    .gt-hero__shape-divider svg {
        height: 40px;
    }
}

/* ========== SECTIONS GENERAL ========== */
.gt-section {
    padding: 80px 0;
}

.gt-section--light {
    background-color: var(--bg-light);
}

.gt-section--no-padding-bottom {
    padding-bottom: 0;
}

.gt-section__header {
    margin-bottom: 50px;
}

.gt-section__label {
    font-family: var(--font-heading);
    font-weight: 700;
    font-size: 14px;
    letter-spacing: 2px;
    color: var(--accent-hover);
    text-transform: uppercase;
    display: block;
    margin-bottom: 8px;
}

.gt-section__title {
    font-size: 36px;
    font-weight: 700;
    position: relative;
    padding-bottom: var(--space-s);
}

.gt-section__title::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 60px;
    height: 4px;
    background-color: var(--accent);
}

.gt-section__title--center::after {
    left: 50%;
    transform: translateX(-50%);
}

/* ========== EXPLORE CARDS (3 COLUMNS) ========== */
.gt-explore-cards {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-m);
    margin-top: 0;
    position: relative;
    z-index: 10;
}

.gt-explore-card {
    position: relative;
    height: 300px;
    border-radius: var(--radius);
    overflow: hidden;
    box-shadow: var(--shadow-premium);
}

.gt-explore-card__bg {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform var(--transition-slow);
}

.gt-explore-card:hover .gt-explore-card__bg {
    transform: scale(1.08);
}

.gt-explore-card__overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(to top, rgba(7, 21, 38, 0.9) 0%, rgba(7, 21, 38, 0.2) 100%);
    z-index: 1;
}

.gt-explore-card__content {
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    padding: var(--space-m);
    z-index: 2;
    color: var(--text-white);
}

.gt-explore-card__title {
    color: var(--text-white);
    font-size: 20px;
    margin-bottom: 6px;
}

.gt-explore-card__text {
    font-size: 13px;
    opacity: 0.85;
    margin-bottom: var(--space-s);
}

/* ========== CORPORATE SUMMARY ========== */
.gt-corporate-summary {
    display: grid;
    grid-template-columns: 1.2fr 0.8fr;
    gap: var(--space-xl);
    align-items: center;
}

.lead-text {
    font-size: 18px;
    font-weight: 500;
    color: var(--secondary);
    margin-bottom: var(--space-s);
}

.gt-corporate-links {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-s);
    margin-top: var(--space-m);
}

.gt-corporate-links a {
    font-weight: 600;
    font-size: 14px;
    color: var(--primary);
    display: flex;
    align-items: center;
    gap: 8px;
}

.gt-corporate-links a i {
    color: var(--accent);
    font-size: 12px;
    transition: transform var(--transition-fast);
}

.gt-corporate-links a:hover {
    color: var(--accent-hover);
}

.gt-corporate-links a:hover i {
    transform: translateX(4px);
}

/* ========== FEATURES SECTION ========== */
.gt-features {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-l);
}

.gt-feature-card {
    background-color: var(--bg-white);
    padding: var(--space-l);
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    border-bottom: 3px solid transparent;
    transition: all var(--transition-fast);
}

.gt-feature-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-premium);
    border-color: var(--accent);
}

.gt-feature-card__icon {
    width: 60px;
    height: 60px;
    border-radius: 50%;
    background-color: rgba(223, 185, 108, 0.12);
    color: var(--accent-hover);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 24px;
    margin-bottom: var(--space-s);
}

.gt-feature-card__title {
    font-size: 18px;
    margin-bottom: 10px;
}

.gt-feature-card__text {
    font-size: 13px;
    color: var(--text-muted);
    margin-bottom: 0;
}

/* ========== PRODUCTS SHOWCASE / GRID ========== */
.gt-products-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--space-m);
}

.gt-product-card {
    background-color: var(--bg-white);
    border-radius: var(--radius);
    overflow: hidden;
    box-shadow: var(--shadow);
    transition: all var(--transition-fast);
    border: 1px solid var(--border-color);
}

.gt-product-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-premium);
}

.gt-product-card__image-wrapper {
    aspect-ratio: 4/3;
    overflow: hidden;
}

.gt-product-card__image {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform var(--transition-slow);
}

.gt-product-card:hover .gt-product-card__image {
    transform: scale(1.06);
}

.gt-product-card__info {
    padding: var(--space-s);
}

.gt-product-card__scientific {
    font-size: 11px;
    font-style: italic;
    color: var(--text-muted);
    display: block;
    margin-bottom: 4px;
}

.gt-product-card__title {
    font-size: 16px;
    margin-bottom: var(--space-s);
}

.gt-product-card__link {
    font-size: 13px;
    font-weight: 700;
    color: var(--primary);
    display: flex;
    align-items: center;
    gap: 6px;
}

.gt-product-card__link i {
    font-size: 10px;
    transition: transform var(--transition-fast);
}

.gt-product-card__link:hover {
    color: var(--accent-hover);
}

.gt-product-card__link:hover i {
    transform: translateX(4px);
}

/* ========== PRODUCTS LIST / DYNAMIC ROWS ========== */
.gt-products-list {
    display: flex;
    flex-direction: column;
    gap: var(--space-xl);
    margin-top: 50px;
}

.gt-product-row {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-xl);
    align-items: center;
}

.gt-product-row--reverse {
    direction: rtl;
}

.gt-product-row--reverse .gt-product-row__content {
    direction: ltr;
}

.gt-product-row__image {
    border-radius: var(--radius);
    overflow: hidden;
    box-shadow: var(--shadow-premium);
    aspect-ratio: 16/11;
}

.gt-product-row__image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform var(--transition-slow);
}

.gt-product-row:hover .gt-product-row__image img {
    transform: scale(1.04);
}

.gt-product-row__scientific {
    font-size: 13px;
    font-style: italic;
    color: var(--accent-hover);
    display: block;
    margin-bottom: 6px;
    font-weight: 600;
}

.gt-product-row__title {
    font-size: 28px;
    margin-bottom: var(--space-s);
}

.gt-product-row__desc {
    color: var(--text-muted);
    font-size: 15px;
    margin-bottom: var(--space-m);
}

.gt-product-row__detail {
    margin-bottom: 8px;
    font-size: 14px;
}

.gt-product-row__detail strong {
    color: var(--primary);
    margin-right: 6px;
}

/* ========== CONTACT & harita SECTION ========== */
.gt-contact {
    display: grid;
    grid-template-columns: 1.1fr 0.9fr;
    gap: var(--space-l);
    align-items: stretch;
}

.gt-contact__form {
    background-color: var(--bg-white);
    padding: var(--space-l);
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    border: 1px solid var(--border-color);
}

.gt-form-row {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-s);
}

.gt-form-group {
    margin-bottom: var(--space-s);
}

.gt-form-group label {
    display: block;
    font-weight: 600;
    font-size: 12px;
    text-transform: uppercase;
    margin-bottom: 6px;
    color: var(--primary);
}

.gt-form-group input, .gt-form-group select, .gt-form-group textarea {
    width: 100%;
    font-family: var(--font-main);
    font-size: 14px;
    padding: 12px var(--space-s);
    border: 1px solid var(--border-color);
    border-radius: 4px;
    background-color: var(--bg-light);
    outline: none;
    transition: all var(--transition-fast);
}

.gt-form-group input:focus, .gt-form-group select:focus, .gt-form-group textarea:focus {
    border-color: var(--accent);
    background-color: var(--bg-white);
    box-shadow: 0 4px 12px rgba(223, 185, 108, 0.1);
}

.gt-form-group textarea {
    height: 120px;
    resize: none;
}

.gt-contact__map {
    border-radius: var(--radius);
    overflow: hidden;
    box-shadow: var(--shadow);
}

.gt-contact__map iframe {
    width: 100%;
    height: 100%;
    border: none;
    min-height: 350px;
}

/* ========== ACCORDION (FAQ) ========== */
.gt-accordion {
    display: flex;
    flex-direction: column;
    gap: var(--space-s);
}

.gt-accordion__item {
    background-color: var(--bg-white);
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    border: 1px solid var(--border-color);
    overflow: hidden;
}

.gt-accordion__header {
    width: 100%;
    padding: 18px var(--space-m);
    background: none;
    border: none;
    outline: none;
    font-family: var(--font-heading);
    font-weight: 700;
    font-size: 16px;
    color: var(--primary);
    text-align: left;
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
    transition: background-color var(--transition-fast);
}

.gt-accordion__header:hover {
    background-color: var(--bg-light);
}

.gt-accordion__header i {
    font-size: 12px;
    color: var(--accent-hover);
    transition: transform var(--transition-fast);
}

.gt-accordion__item.active .gt-accordion__header i {
    transform: rotate(180deg);
}

.gt-accordion__content {
    padding: 0 var(--space-m);
    max-height: 0;
    overflow: hidden;
    transition: max-height var(--transition-fast) ease-out, padding var(--transition-fast) ease-out;
}

.gt-accordion__item.active .gt-accordion__content {
    padding: 0 var(--space-m) 20px var(--space-m);
}

.gt-accordion__content p {
    font-size: 14px;
    color: var(--text-muted);
    margin-bottom: 0;
}

/* ========== TEXT / DETAILS PAGE CONTENT ========== */
.gt-page-hero {
    height: 250px;
    position: relative;
    overflow: hidden;
    display: flex;
    align-items: center;
    color: var(--text-white);
}

.gt-page-hero__bg {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.gt-page-hero__overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(7, 21, 38, 0.75);
    z-index: 1;
}

.gt-page-hero__content {
    position: relative;
    z-index: 2;
    width: 100%;
}

.gt-page-hero__title {
    color: var(--text-white);
    font-size: 40px;
    font-weight: 800;
    margin-bottom: 8px;
}

.gt-page-hero__breadcrumb {
    font-size: 13px;
    opacity: 0.85;
}

.gt-page-hero__breadcrumb span {
    margin: 0 8px;
    color: var(--accent);
}

.gt-page-hero__breadcrumb a {
    color: var(--text-white);
}

.gt-page-hero__breadcrumb a:hover {
    color: var(--accent);
}

.gt-content {
    padding: 60px 0;
}

.gt-content--narrow {
    max-width: 800px;
    margin: 0 auto;
}

.gt-content p {
    font-size: 15px;
    color: var(--text-main);
    margin-bottom: var(--space-m);
}

.gt-nav-cards {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--space-m);
}

.gt-nav-card {
    position: relative;
    height: 180px;
    border-radius: var(--radius);
    overflow: hidden;
    box-shadow: var(--shadow);
}

.gt-nav-card__bg {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform var(--transition-slow);
}

.gt-nav-card:hover .gt-nav-card__bg {
    transform: scale(1.06);
}

.gt-nav-card__overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(to top, rgba(7, 21, 38, 0.8) 0%, rgba(7, 21, 38, 0.2) 100%);
    z-index: 1;
}

.gt-nav-card__content {
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    padding: var(--space-s);
    z-index: 2;
    color: var(--text-white);
}

.gt-nav-card__icon {
    width: 32px;
    height: 32px;
    border-radius: 50%;
    background-color: var(--accent);
    color: var(--primary);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 14px;
    margin-bottom: 8px;
}

.gt-nav-card__title {
    color: var(--text-white);
    font-size: 15px;
    font-weight: 700;
}

/* ========== FOOTER STYLING ========== */
.gt-footer {
    background-color: var(--bg-dark);
    color: var(--text-white);
    padding: 80px 0 30px 0;
    border-top: 4px solid var(--accent);
}

.gt-footer__grid {
    display: grid;
    grid-template-columns: 1.5fr 1fr 1fr 1.5fr;
    gap: var(--space-xl);
    margin-bottom: 50px;
}

.gt-footer__logo {
    display: inline-block;
    margin-bottom: var(--space-s);
}

.gt-footer__logo .logo-img {
    height: 52px;
    width: auto;
    display: block;
    filter: brightness(0) invert(1);
    transition: transform var(--transition-fast);
}

.gt-footer__logo:hover .logo-img {
    transform: scale(1.04);
}

.gt-footer__desc {
    font-size: 13px;
    color: var(--text-muted);
    margin-bottom: var(--space-m);
}

.gt-footer__contact-item {
    display: flex;
    align-items: flex-start;
    gap: 10px;
    font-size: 13px;
    margin-bottom: 12px;
    color: var(--text-white);
    opacity: 0.9;
}

.gt-footer__contact-item i {
    color: var(--accent);
    margin-top: 4px;
    width: 16px;
    text-align: center;
}

.gt-footer__contact-item a:hover {
    color: var(--accent);
}

.gt-footer__social {
    display: flex;
    gap: var(--space-xs);
    margin-top: var(--space-m);
}

.gt-footer__social a {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    background-color: rgba(255, 255, 255, 0.05);
    color: var(--text-white);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 14px;
    transition: all var(--transition-fast);
}

.gt-footer__social a:hover {
    background-color: var(--accent);
    color: var(--primary);
    transform: translateY(-2px);
}

.gt-footer__heading {
    color: var(--text-white);
    font-size: 18px;
    margin-bottom: var(--space-l);
    position: relative;
    padding-bottom: 8px;
}

.gt-footer__heading::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 30px;
    height: 2px;
    background-color: var(--accent);
}

.gt-footer__links {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.gt-footer__links a {
    font-size: 13px;
    color: var(--text-muted);
}

.gt-footer__links a:hover {
    color: var(--accent);
    padding-left: 4px;
}

.gt-newsletter-form {
    display: flex;
    height: 44px;
}

.gt-newsletter-input {
    flex-grow: 1;
    border: 1px solid rgba(255, 255, 255, 0.1);
    background-color: rgba(255, 255, 255, 0.05);
    color: var(--text-white);
    padding: 0 15px;
    border-radius: 4px 0 0 4px;
    outline: none;
    font-family: var(--font-main);
    font-size: 13px;
}

.gt-newsletter-btn {
    width: 50px;
    background-color: var(--accent);
    color: var(--primary);
    border: none;
    border-radius: 0 4px 4px 0;
    cursor: pointer;
    transition: background-color var(--transition-fast);
}

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

.gt-footer__bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.06);
    padding-top: 30px;
    display: flex;
    justify-content: space-between;
    font-size: 12px;
    color: var(--text-muted);
}

.gt-footer__bottom a {
    color: var(--text-white);
    font-weight: 500;
}

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

/* ========== FLOATING WIDGETS ========== */
.gt-whatsapp {
    position: fixed;
    bottom: 30px;
    left: 30px;
    z-index: 99;
    display: flex;
    align-items: center;
}

.gt-whatsapp__label {
    background-color: rgba(11, 28, 51, 0.85);
    backdrop-filter: blur(10px);
    color: var(--text-white);
    padding: 6px 12px;
    font-size: 12px;
    font-weight: 600;
    border-radius: 4px;
    margin-right: 8px;
    opacity: 0;
    transform: translateX(10px);
    transition: all var(--transition-fast);
    pointer-events: none;
    white-space: nowrap;
    border: 1px solid rgba(255,255,255,0.1);
}

.gt-whatsapp:hover .gt-whatsapp__label {
    opacity: 1;
    transform: translateX(0);
}

.gt-whatsapp__btn {
    width: 54px;
    height: 54px;
    border-radius: 50%;
    background-color: #25d366;
    color: var(--text-white);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 28px;
    box-shadow: 0 4px 15px rgba(37, 211, 102, 0.4);
    transition: all var(--transition-fast);
}

.gt-whatsapp__btn:hover {
    transform: scale(1.06);
    background-color: #20ba5a;
}

.gt-back-to-top {
    position: fixed;
    bottom: 30px;
    right: 30px;
    z-index: 99;
    width: 44px;
    height: 44px;
    border-radius: 40%;
    background-color: var(--primary);
    color: var(--text-white);
    border: 1px solid rgba(255,255,255,0.1);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 16px;
    box-shadow: 0 4px 12px rgba(0,0,0,0.15);
    cursor: pointer;
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition-fast);
}

.gt-back-to-top.visible {
    opacity: 1;
    visibility: visible;
}

.gt-back-to-top:hover {
    background-color: var(--accent);
    color: var(--primary);
    transform: translateY(-3px);
}

/* ========== FADE IN ANIMATIONS ========== */
.gt-fade-in {
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.6s ease-out, transform 0.6s ease-out;
}

.gt-fade-in-left {
    opacity: 0;
    transform: translateX(-30px);
    transition: opacity 0.6s ease-out, transform 0.6s ease-out;
}

.gt-fade-in-right {
    opacity: 0;
    transform: translateX(30px);
    transition: opacity 0.6s ease-out, transform 0.6s ease-out;
}

.gt-animated {
    opacity: 1;
    transform: translate(0, 0);
}

/* ========== RESPONSIVENESS ========== */
@media (max-width: 1024px) {
    .gt-footer__grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 900px) {
    .gt-topbar { display: none; }
    
    .gt-navbar__menu { display: none; }
    
    .gt-mobile-toggle { display: flex; }
    
    .gt-hero__title { font-size: 40px; }
    
    .gt-explore-cards {
        grid-template-columns: 1fr;
        margin-top: 30px;
    }
    
    .gt-corporate-summary {
        grid-template-columns: 1fr;
    }
    
    .gt-features {
        grid-template-columns: 1fr;
    }
    
    .gt-products-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .gt-product-row {
        grid-template-columns: 1fr;
        gap: var(--space-m);
    }
    
    .gt-product-row--reverse {
        direction: ltr;
    }
    
    .gt-contact {
        grid-template-columns: 1fr;
    }
    
    .gt-nav-cards {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 600px) {
    .gt-products-grid {
        grid-template-columns: 1fr;
    }
    
    .gt-form-row {
        grid-template-columns: 1fr;
    }
    
    .gt-footer__grid {
        grid-template-columns: 1fr;
    }
    
    .gt-footer__bottom {
        flex-direction: column;
        gap: 10px;
        text-align: center;
    }
    
    .gt-hero__notice {
        display: none;
    }
    
    .gt-nav-cards {
        grid-template-columns: 1fr;
    }
}

/* Mobile Nav Overlay Drawer */
.gt-mobile-menu {
    position: fixed;
    top: 70px;
    left: 0;
    width: 100%;
    height: calc(100vh - 70px);
    background-color: var(--primary);
    z-index: 90;
    display: flex;
    flex-direction: column;
    padding: var(--space-m);
    gap: 10px;
    transform: translateX(-100%);
    transition: transform var(--transition-fast);
    overflow-y: auto;
}

.gt-mobile-menu.open {
    transform: translateX(0);
}

.gt-mobile-menu__link {
    color: var(--text-white);
    font-size: 16px;
    font-weight: 600;
    padding: 12px 0;
    border-bottom: 1px solid rgba(255,255,255,0.06);
}

.gt-mobile-menu__link--lang {
    border-bottom: none;
    margin-top: 10px;
}

/* ========== VIDEO SUMMARY GRID & SHAPE DIVIDERS ========== */
.gt-video-summary {
    position: relative;
    padding: 160px 0;
    overflow: hidden;
    color: var(--text-white);
    background-color: var(--primary);
    text-align: center;
}

.gt-video-summary__video-wrapper {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 1;
}

.gt-video-summary__video-wrapper video {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.gt-video-summary__overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, rgba(7, 21, 38, 0.85) 0%, rgba(11, 28, 51, 0.75) 100%);
    z-index: 2;
}

.gt-video-summary__content {
    position: relative;
    z-index: 4;
}

.gt-video-summary__shape-divider {
    position: absolute;
    left: 0;
    width: 100%;
    overflow: hidden;
    line-height: 0;
    z-index: 3;
}

.gt-video-summary__shape-divider--top {
    top: -1px;
}

.gt-video-summary__shape-divider--bottom {
    bottom: -1px;
}

.gt-video-summary__shape-divider svg {
    display: block;
    width: calc(100% + 1.3px);
    height: 80px;
}

.gt-video-summary__shape-divider--top .shape-fill {
    fill: var(--bg-white);
}

.gt-video-summary__shape-divider--bottom .shape-fill {
    fill: var(--bg-white);
}

.gt-summary-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-xl) var(--space-l);
    margin-top: 50px;
}

@media (max-width: 991px) {
    .gt-summary-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 576px) {
    .gt-summary-grid {
        grid-template-columns: 1fr;
    }
}

.gt-summary-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    gap: 12px;
}

.gt-summary-item__icon {
    width: 64px;
    height: 64px;
    border-radius: 50%;
    border: 2px solid rgba(255, 255, 255, 0.35);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 24px;
    color: var(--accent);
    background: rgba(11, 28, 51, 0.4);
    transition: all var(--transition-fast);
}

.gt-summary-item:hover .gt-summary-item__icon {
    transform: scale(1.08);
    border-color: var(--accent);
    background: rgba(223, 185, 108, 0.15);
    color: #ffffff;
}

.gt-summary-item__title {
    font-family: var(--font-heading);
    font-size: 15px;
    font-weight: 700;
    letter-spacing: 1px;
    text-transform: uppercase;
    color: #ffffff;
    margin-bottom: 2px;
}

.gt-summary-item__text {
    font-size: 13px;
    color: rgba(255, 255, 255, 0.85);
    line-height: 1.6;
    max-width: 300px;
    margin-bottom: 0;
}

.gt-summary-item__link {
    font-family: var(--font-main);
    font-size: 12px;
    font-weight: 700;
    color: var(--accent);
    text-transform: uppercase;
    letter-spacing: 1px;
    display: inline-flex;
    align-items: center;
    gap: 6px;
    transition: color var(--transition-fast);
    margin-top: 4px;
}

.gt-summary-item__link:hover {
    color: #ffffff;
}