/* ===== CSS Variables ===== */
:root {
    --primary-color: #00A19A;
    --primary-dark: #008B8B;
    --primary-light: #00C4BC;
    --secondary-color: #006666;
    --accent-color: #00D4AA;
    --text-color: #333333;
    --text-light: #666666;
    --white: #ffffff;
    --light-bg: #f8fafa;
    --gradient-primary: linear-gradient(135deg, #00A19A 0%, #006666 100%);
    --gradient-hero: linear-gradient(135deg, rgba(0, 161, 154, 0.95) 0%, rgba(0, 102, 102, 0.95) 100%);
    --shadow-sm: 0 2px 10px rgba(0, 161, 154, 0.1);
    --shadow-md: 0 5px 25px rgba(0, 161, 154, 0.15);
    --shadow-lg: 0 10px 40px rgba(0, 161, 154, 0.2);
    --border-radius: 12px;
    --transition: all 0.3s ease;
}

/* ===== Reset & Base ===== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Cairo', sans-serif;
    font-size: 16px;
    line-height: 1.7;
    color: var(--text-color);
    background-color: var(--white);
    overflow-x: hidden;
}

a {
    text-decoration: none;
    color: inherit;
}

ul {
    list-style: none;
}

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

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

.section {
    padding: 100px 0;
}

/* ===== Section Header ===== */
.section__header {
    text-align: center;
    margin-bottom: 60px;
}

.section__subtitle {
    display: inline-block;
    font-size: 1rem;
    color: var(--primary-color);
    font-weight: 600;
    margin-bottom: 10px;
    position: relative;
}

.section__title {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--text-color);
    margin-bottom: 15px;
}

.section__line {
    width: 80px;
    height: 4px;
    background: var(--gradient-primary);
    margin: 0 auto;
    border-radius: 2px;
}

.section__header--light .section__subtitle,
.section__header--light .section__title {
    color: var(--white);
}

.section__header--light .section__line {
    background: var(--white);
}

/* ===== Buttons ===== */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 14px 32px;
    font-size: 1rem;
    font-weight: 600;
    font-family: 'Cairo', sans-serif;
    border-radius: 50px;
    cursor: pointer;
    transition: var(--transition);
    border: none;
}

.btn--primary {
    background: var(--gradient-primary);
    color: var(--white);
    box-shadow: var(--shadow-md);
}

.btn--primary:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-lg);
}

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

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

.btn--full {
    width: 100%;
    justify-content: center;
}

/* ===== Header ===== */
.header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    background: transparent;
    transition: var(--transition);
}

.header.scrolled {
    background: var(--white);
    box-shadow: var(--shadow-sm);
}

.nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 80px;
}

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

.logo-img {
    width: 50px;
    height: auto;
    transition: var(--transition);
    filter: brightness(0) invert(1); /* جعل الشعار أبيض */
}

.header.scrolled .logo-img {
    filter: none; /* إظهار الألوان الأصلية عند التمرير */
}

.logo-text {
    display: flex;
    flex-direction: column;
}

.logo-ar {
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--white);
    transition: var(--transition);
}

.logo-en {
    font-size: 0.7rem;
    font-weight: 500;
    color: rgba(255, 255, 255, 0.8);
    letter-spacing: 1px;
    transition: var(--transition);
}

.header.scrolled .logo-ar {
    color: var(--primary-color);
}

.header.scrolled .logo-en {
    color: var(--text-light);
}

.nav__list {
    display: flex;
    gap: 35px;
}

.nav__link {
    font-size: 0.95rem;
    font-weight: 500;
    color: var(--white);
    position: relative;
    transition: var(--transition);
}

.header.scrolled .nav__link {
    color: var(--text-color);
}

.nav__link::after {
    content: '';
    position: absolute;
    bottom: -5px;
    right: 0;
    width: 0;
    height: 2px;
    background: var(--primary-color);
    transition: var(--transition);
}

.nav__link:hover::after,
.nav__link.active::after {
    width: 100%;
}

.header.scrolled .nav__link:hover,
.header.scrolled .nav__link.active {
    color: var(--primary-color);
}

.nav__toggle,
.nav__close {
    display: none;
    font-size: 1.5rem;
    color: var(--white);
    cursor: pointer;
}

.header.scrolled .nav__toggle {
    color: var(--primary-color);
}

/* ===== Hero Section ===== */
.hero {
    min-height: 100vh;
    background: var(--gradient-hero);
    position: relative;
    display: flex;
    align-items: center;
    overflow: hidden;
}

.hero__particles {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    overflow: hidden;
}

.hero__particles::before {
    content: '';
    position: absolute;
    width: 300px;
    height: 300px;
    background: rgba(255, 255, 255, 0.05);
    border-radius: 50%;
    top: -100px;
    right: -100px;
    animation: float 6s ease-in-out infinite;
}

.hero__particles::after {
    content: '';
    position: absolute;
    width: 200px;
    height: 200px;
    background: rgba(255, 255, 255, 0.03);
    border-radius: 50%;
    bottom: 100px;
    left: 10%;
    animation: float 8s ease-in-out infinite reverse;
}

@keyframes float {
    0%, 100% { transform: translateY(0) rotate(0deg); }
    50% { transform: translateY(-30px) rotate(180deg); }
}

.hero__content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
    padding-top: 80px;
    position: relative;
    z-index: 1;
}

.hero__subtitle {
    display: inline-block;
    font-size: 1rem;
    color: rgba(255, 255, 255, 0.9);
    background: rgba(255, 255, 255, 0.1);
    padding: 8px 20px;
    border-radius: 50px;
    margin-bottom: 20px;
    backdrop-filter: blur(10px);
}

.hero__title {
    font-size: 3rem;
    font-weight: 800;
    color: var(--white);
    line-height: 1.3;
    margin-bottom: 25px;
}

.hero__title .highlight {
    color: var(--accent-color);
    position: relative;
}

.hero__description {
    font-size: 1.1rem;
    color: rgba(255, 255, 255, 0.9);
    margin-bottom: 35px;
    line-height: 1.8;
}

.hero__buttons {
    display: flex;
    gap: 20px;
    flex-wrap: wrap;
}

.hero__image {
    position: relative;
}

.hero__image-wrapper {
    position: relative;
    border-radius: 20px;
    overflow: hidden;
}

.hero__image-bg {
    position: absolute;
    top: -20px;
    right: -20px;
    width: 100%;
    height: 100%;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 20px;
    z-index: -1;
}

.hero__img {
    width: 100%;
    height: 450px;
    object-fit: cover;
    border-radius: 20px;
    box-shadow: var(--shadow-lg);
}

.hero__scroll {
    position: absolute;
    bottom: 30px;
    left: 50%;
    transform: translateX(-50%);
}

.hero__scroll-link {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 50px;
    height: 50px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 50%;
    color: var(--white);
    font-size: 1.2rem;
    animation: bounce 2s infinite;
    backdrop-filter: blur(10px);
}

@keyframes bounce {
    0%, 20%, 50%, 80%, 100% { transform: translateY(0); }
    40% { transform: translateY(-10px); }
    60% { transform: translateY(-5px); }
}

/* ===== Values Section ===== */
.values {
    background: var(--white);
    padding: 80px 0;
    margin-top: -50px;
    position: relative;
    z-index: 10;
}

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

.value__card {
    background: var(--white);
    padding: 40px 30px;
    border-radius: var(--border-radius);
    text-align: center;
    box-shadow: var(--shadow-md);
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}

.value__card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 4px;
    background: var(--gradient-primary);
    transform: scaleX(0);
    transition: var(--transition);
}

.value__card:hover::before {
    transform: scaleX(1);
}

.value__card:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-lg);
}

.value__icon {
    width: 80px;
    height: 80px;
    background: var(--light-bg);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 20px;
    transition: var(--transition);
}

.value__icon i {
    font-size: 2rem;
    color: var(--primary-color);
}

.value__card:hover .value__icon {
    background: var(--gradient-primary);
}

.value__card:hover .value__icon i {
    color: var(--white);
}

.value__title {
    font-size: 1.2rem;
    font-weight: 700;
    color: var(--text-color);
    margin-bottom: 5px;
}

.value__subtitle {
    font-size: 0.9rem;
    color: var(--primary-color);
}

/* ===== About Section ===== */
.about__content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
}

.about__image {
    position: relative;
}

.about__image-wrapper {
    position: relative;
    border-radius: var(--border-radius);
    overflow: hidden;
}

.about__img {
    width: 100%;
    height: 450px;
    object-fit: cover;
    border-radius: var(--border-radius);
}

.about__image-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: var(--gradient-hero);
    opacity: 0.2;
}

.about__experience {
    position: absolute;
    bottom: -30px;
    left: -30px;
    background: var(--gradient-primary);
    color: var(--white);
    padding: 25px 35px;
    border-radius: var(--border-radius);
    text-align: center;
    box-shadow: var(--shadow-lg);
}

.experience__number {
    display: block;
    font-size: 2.5rem;
    font-weight: 800;
}

.experience__text {
    font-size: 0.9rem;
}

.about__description {
    font-size: 1.05rem;
    color: var(--text-light);
    margin-bottom: 20px;
    line-height: 1.9;
}

.about__features {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 15px;
    margin-top: 30px;
}

.about__feature {
    display: flex;
    align-items: center;
    gap: 10px;
}

.about__feature i {
    color: var(--primary-color);
    font-size: 1.2rem;
}

.about__feature span {
    font-size: 0.95rem;
    font-weight: 500;
}

/* ===== Vision Section ===== */
.vision {
    background: url('https://images.unsplash.com/photo-1497435334941-8c899ee9e8e9?w=1200') center/cover no-repeat fixed;
    position: relative;
    padding: 120px 0;
}

.vision__overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: var(--gradient-hero);
    opacity: 0.95;
}

.vision__content {
    position: relative;
    z-index: 1;
    text-align: center;
    max-width: 900px;
    margin: 0 auto;
}

.vision__subtitle {
    display: inline-block;
    font-size: 1rem;
    color: var(--accent-color);
    background: rgba(255, 255, 255, 0.1);
    padding: 8px 25px;
    border-radius: 50px;
    margin-bottom: 25px;
}

.vision__title {
    font-size: 2rem;
    font-weight: 700;
    color: var(--white);
    line-height: 1.6;
    margin-bottom: 20px;
}

.vision__description {
    font-size: 1.1rem;
    color: rgba(255, 255, 255, 0.9);
}

/* ===== Services Section ===== */
.services {
    background: var(--light-bg);
}

.services__intro {
    text-align: center;
    font-size: 1.1rem;
    color: var(--text-light);
    margin-bottom: 50px;
    margin-top: -30px;
}

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

.service__card {
    background: var(--white);
    padding: 40px 30px;
    border-radius: var(--border-radius);
    text-align: center;
    position: relative;
    overflow: hidden;
    transition: var(--transition);
    box-shadow: var(--shadow-sm);
}

.service__card::before {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 0;
    background: var(--gradient-primary);
    transition: var(--transition);
    z-index: 0;
}

.service__card:hover::before {
    height: 100%;
}

.service__card:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-lg);
}

.service__icon {
    width: 90px;
    height: 90px;
    background: var(--light-bg);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 25px;
    position: relative;
    z-index: 1;
    transition: var(--transition);
}

.service__icon i {
    font-size: 2.2rem;
    color: var(--primary-color);
    transition: var(--transition);
}

.service__card:hover .service__icon {
    background: rgba(255, 255, 255, 0.2);
}

.service__card:hover .service__icon i {
    color: var(--white);
}

.service__title {
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--text-color);
    margin-bottom: 10px;
    position: relative;
    z-index: 1;
    transition: var(--transition);
}

.service__description {
    font-size: 0.9rem;
    color: var(--text-light);
    position: relative;
    z-index: 1;
    transition: var(--transition);
}

.service__card:hover .service__title,
.service__card:hover .service__description {
    color: var(--white);
}

.service__hover {
    position: absolute;
    bottom: 20px;
    left: 50%;
    transform: translateX(-50%) translateY(50px);
    opacity: 0;
    transition: var(--transition);
    z-index: 1;
}

.service__hover i {
    color: var(--white);
    font-size: 1.5rem;
}

.service__card:hover .service__hover {
    transform: translateX(-50%) translateY(0);
    opacity: 1;
}

/* ===== Sectors Section ===== */
.sectors {
    background: var(--gradient-primary);
    position: relative;
}

.sectors__intro {
    text-align: center;
    font-size: 1.1rem;
    color: rgba(255, 255, 255, 0.9);
    margin-bottom: 50px;
    margin-top: -30px;
}

.sectors__grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 25px;
}

.sector__item {
    background: rgba(255, 255, 255, 0.1);
    padding: 35px 25px;
    border-radius: var(--border-radius);
    text-align: center;
    backdrop-filter: blur(10px);
    transition: var(--transition);
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.sector__item:hover {
    background: var(--white);
    transform: translateY(-5px);
}

.sector__icon {
    width: 70px;
    height: 70px;
    background: rgba(255, 255, 255, 0.2);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 20px;
    transition: var(--transition);
}

.sector__icon i {
    font-size: 1.8rem;
    color: var(--white);
    transition: var(--transition);
}

.sector__item:hover .sector__icon {
    background: var(--gradient-primary);
}

.sector__item:hover .sector__icon i {
    color: var(--white);
}

.sector__name {
    display: block;
    font-size: 1rem;
    font-weight: 600;
    color: var(--white);
    margin-bottom: 5px;
    transition: var(--transition);
}

.sector__name-en {
    font-size: 0.85rem;
    color: rgba(255, 255, 255, 0.7);
    transition: var(--transition);
}

.sector__item:hover .sector__name {
    color: var(--primary-color);
}

.sector__item:hover .sector__name-en {
    color: var(--text-light);
}

/* ===== Clients Section ===== */
.clients {
    background: var(--white);
    overflow: hidden;
}

.clients__intro {
    text-align: center;
    font-size: 1.1rem;
    color: var(--text-light);
    margin-bottom: 50px;
    margin-top: -30px;
}

.clients__slider {
    overflow: hidden;
    position: relative;
}

.clients__track {
    display: flex;
    gap: 40px;
    animation: scroll 20s linear infinite;
}

@keyframes scroll {
    0% { transform: translateX(0); }
    100% { transform: translateX(-50%); }
}

.client__logo {
    flex-shrink: 0;
    width: 200px;
    height: 120px;
    background: var(--light-bg);
    border-radius: var(--border-radius);
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition);
    border: 2px solid transparent;
}

.client__logo:hover {
    border-color: var(--primary-color);
    box-shadow: var(--shadow-md);
}

.client__logo-inner {
    text-align: center;
}

.client__logo-inner span {
    display: block;
    font-size: 1rem;
    font-weight: 700;
    color: var(--primary-color);
}

.client__logo-inner small {
    font-size: 0.8rem;
    color: var(--text-light);
}

/* صور شعارات العملاء */
.client__img {
    max-width: 150px;
    max-height: 80px;
    object-fit: contain;
    transition: var(--transition);
    filter: grayscale(100%);
    opacity: 0.7;
}

.client__logo:hover .client__img {
    filter: grayscale(0%);
    opacity: 1;
}

/* ===== Coverage Section ===== */
.coverage {
    background: var(--light-bg);
}

.coverage__content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
}

.saudi-map {
    width: 100%;
    max-width: 400px;
    margin: 0 auto;
}

.map-path {
    stroke-dasharray: 1000;
    stroke-dashoffset: 1000;
    animation: drawMap 3s ease forwards;
}

@keyframes drawMap {
    to { stroke-dashoffset: 0; }
}

.region-dot {
    fill: var(--primary-color);
    cursor: pointer;
    transition: var(--transition);
}

.region-dot:hover {
    fill: var(--primary-dark);
    r: 12;
}

/* صورة خريطة التغطية */
.coverage-map-img {
    width: 100%;
    max-width: 400px;
    height: auto;
    margin: 0 auto;
    display: block;
    border-radius: var(--border-radius);
    transition: var(--transition);
}

.coverage-map-img:hover {
    transform: scale(1.02);
}

.coverage__title {
    font-size: 1.8rem;
    font-weight: 700;
    color: var(--text-color);
    margin-bottom: 20px;
}

.coverage__description {
    font-size: 1.05rem;
    color: var(--text-light);
    margin-bottom: 30px;
    line-height: 1.8;
}

.coverage__regions {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
}

.region__tag {
    background: var(--white);
    color: var(--primary-color);
    padding: 8px 18px;
    border-radius: 50px;
    font-size: 0.9rem;
    font-weight: 500;
    border: 1px solid var(--primary-color);
    transition: var(--transition);
}

.region__tag:hover {
    background: var(--primary-color);
    color: var(--white);
}

/* ===== Contact Section ===== */
.contact__content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
}

.contact__card {
    display: flex;
    align-items: center;
    gap: 20px;
    background: var(--light-bg);
    padding: 25px 30px;
    border-radius: var(--border-radius);
    margin-bottom: 20px;
    transition: var(--transition);
}

.contact__card:hover {
    box-shadow: var(--shadow-md);
    transform: translateX(-10px);
}

.contact__icon {
    width: 60px;
    height: 60px;
    background: var(--gradient-primary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.contact__icon i {
    font-size: 1.3rem;
    color: var(--white);
}

.contact__data h4 {
    font-size: 1rem;
    font-weight: 700;
    color: var(--text-color);
    margin-bottom: 5px;
}

.contact__data p {
    font-size: 0.95rem;
    color: var(--text-light);
}

.contact__form-wrapper {
    background: var(--white);
    padding: 40px;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-md);
}

.form__group {
    position: relative;
    margin-bottom: 20px;
}

.form__input {
    width: 100%;
    padding: 15px 20px;
    padding-right: 50px;
    font-size: 1rem;
    font-family: 'Cairo', sans-serif;
    border: 2px solid #e0e0e0;
    border-radius: var(--border-radius);
    transition: var(--transition);
    background: var(--light-bg);
}

.form__input:focus {
    outline: none;
    border-color: var(--primary-color);
    background: var(--white);
}

.form__group i {
    position: absolute;
    top: 50%;
    right: 20px;
    transform: translateY(-50%);
    color: var(--text-light);
    transition: var(--transition);
}

.form__textarea + i {
    top: 20px;
    transform: none;
}

.form__input:focus + i {
    color: var(--primary-color);
}

.form__textarea {
    resize: vertical;
    min-height: 120px;
}

/* ===== Footer ===== */
.footer {
    background: var(--secondary-color);
    color: var(--white);
    position: relative;
    padding-top: 100px;
}

.footer__wave {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    overflow: hidden;
    line-height: 0;
}

.footer__wave svg {
    position: relative;
    display: block;
    width: calc(100% + 1.3px);
    height: 100px;
}

.footer__content {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr;
    gap: 60px;
    padding-bottom: 40px;
}

.footer__logo {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 20px;
}

.footer__logo .logo-svg {
    width: 50px;
    height: 30px;
}

/* شعار الفوتر */
.footer-logo-img {
    width: 50px;
    height: auto;
}

.footer__logo .logo-ar {
    color: var(--white);
}

.footer__logo .logo-en {
    color: rgba(255, 255, 255, 0.7);
}

.footer__description {
    font-size: 0.95rem;
    color: rgba(255, 255, 255, 0.8);
    line-height: 1.8;
}

.footer__links h4,
.footer__contact h4 {
    font-size: 1.2rem;
    font-weight: 700;
    margin-bottom: 25px;
    position: relative;
}

.footer__links h4::after,
.footer__contact h4::after {
    content: '';
    position: absolute;
    bottom: -10px;
    right: 0;
    width: 40px;
    height: 3px;
    background: var(--primary-light);
    border-radius: 2px;
}

.footer__links ul li {
    margin-bottom: 12px;
}

.footer__links a {
    color: rgba(255, 255, 255, 0.8);
    transition: var(--transition);
}

.footer__links a:hover {
    color: var(--primary-light);
    padding-right: 10px;
}

.footer__contact p {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 15px;
    color: rgba(255, 255, 255, 0.8);
    font-size: 0.95rem;
}

.footer__contact i {
    color: var(--primary-light);
}

.footer__bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding: 25px 0;
    text-align: center;
}

.footer__bottom p {
    font-size: 0.9rem;
    color: rgba(255, 255, 255, 0.7);
}

/* ===== WhatsApp Floating Button ===== */
.whatsapp-float {
    position: fixed;
    bottom: 30px;
    left: 30px;
    width: 60px;
    height: 60px;
    background: #25D366;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 5px 25px rgba(37, 211, 102, 0.4);
    z-index: 999;
    transition: var(--transition);
    animation: pulse 2s infinite;
}

.whatsapp-float:hover {
    transform: scale(1.1);
    box-shadow: 0 8px 35px rgba(37, 211, 102, 0.5);
}

.whatsapp-float i {
    font-size: 2rem;
    color: var(--white);
}

.whatsapp-tooltip {
    position: absolute;
    right: 70px;
    background: var(--text-color);
    color: var(--white);
    padding: 10px 15px;
    border-radius: 8px;
    font-size: 0.85rem;
    white-space: nowrap;
    opacity: 0;
    visibility: hidden;
    transition: var(--transition);
}

.whatsapp-tooltip::after {
    content: '';
    position: absolute;
    left: 100%;
    top: 50%;
    transform: translateY(-50%);
    border: 8px solid transparent;
    border-left-color: var(--text-color);
}

.whatsapp-float:hover .whatsapp-tooltip {
    opacity: 1;
    visibility: visible;
}

@keyframes pulse {
    0% { box-shadow: 0 0 0 0 rgba(37, 211, 102, 0.4); }
    70% { box-shadow: 0 0 0 20px rgba(37, 211, 102, 0); }
    100% { box-shadow: 0 0 0 0 rgba(37, 211, 102, 0); }
}

/* ===== Back to Top Button ===== */
.back-to-top {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 50px;
    height: 50px;
    background: var(--gradient-primary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--white);
    font-size: 1.2rem;
    box-shadow: var(--shadow-md);
    opacity: 0;
    visibility: hidden;
    transition: var(--transition);
    z-index: 998;
}

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

.back-to-top:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
}

/* ===== Responsive Design ===== */
@media screen and (max-width: 1024px) {
    .hero__content {
        grid-template-columns: 1fr;
        text-align: center;
    }

    .hero__image {
        display: none;
    }

    .hero__buttons {
        justify-content: center;
    }

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

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

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

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

    .about__image {
        order: -1;
    }

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

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

    .footer__content {
        grid-template-columns: 1fr;
        text-align: center;
    }

    .footer__links h4::after,
    .footer__contact h4::after {
        right: 50%;
        transform: translateX(50%);
    }
}

@media screen and (max-width: 768px) {
    .nav__menu {
        position: fixed;
        top: 0;
        right: -100%;
        width: 80%;
        height: 100vh;
        background: var(--white);
        box-shadow: var(--shadow-lg);
        padding: 80px 40px;
        transition: var(--transition);
        z-index: 1001;
    }

    .nav__menu.show {
        right: 0;
    }

    .nav__list {
        flex-direction: column;
        gap: 25px;
    }

    .nav__link {
        color: var(--text-color);
        font-size: 1.1rem;
    }

    .nav__toggle,
    .nav__close {
        display: block;
    }

    .nav__close {
        position: absolute;
        top: 25px;
        left: 25px;
        color: var(--text-color);
    }

    .hero__title {
        font-size: 2rem;
    }

    .section__title {
        font-size: 2rem;
    }

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

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

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

    .about__experience {
        position: relative;
        bottom: 0;
        left: 0;
        margin-top: 20px;
        display: inline-block;
    }

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

    .whatsapp-float {
        bottom: 20px;
        left: 20px;
        width: 55px;
        height: 55px;
    }

    .back-to-top {
        bottom: 20px;
        right: 20px;
        width: 45px;
        height: 45px;
    }
}

@media screen and (max-width: 480px) {
    .container {
        padding: 0 15px;
    }

    .section {
        padding: 70px 0;
    }

    .hero__title {
        font-size: 1.6rem;
    }

    .hero__subtitle {
        font-size: 0.85rem;
    }

    .btn {
        padding: 12px 25px;
        font-size: 0.9rem;
    }

    .value__card {
        padding: 30px 20px;
    }

    .service__card {
        padding: 30px 20px;
    }

    .contact__form-wrapper {
        padding: 25px;
    }

    .vision__title {
        font-size: 1.5rem;
    }
}

/* ===== Animation Classes ===== */
[data-aos] {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

[data-aos].aos-animate {
    opacity: 1;
    transform: translateY(0);
}

[data-aos="fade-left"] {
    transform: translateX(-30px);
}

[data-aos="fade-left"].aos-animate {
    transform: translateX(0);
}

[data-aos="fade-right"] {
    transform: translateX(30px);
}

[data-aos="fade-right"].aos-animate {
    transform: translateX(0);
}

[data-aos="zoom-in"] {
    transform: scale(0.9);
}

[data-aos="zoom-in"].aos-animate {
    transform: scale(1);
}

[data-aos="flip-left"] {
    transform: perspective(2500px) rotateY(-100deg);
}

[data-aos="flip-left"].aos-animate {
    transform: perspective(2500px) rotateY(0);
}