/* ========================================
   KABAL SOLAR SYSTEM - PREMIUM STYLESHEET
   Modern, Mobile-First Design
   ======================================== */

/* ========== ROOT VARIABLES ========== */
:root {
    /* --- Colors - Solar Theme --- */
    --color-primary: #0A3D62;
    --color-primary-dark: #072B47;
    --color-primary-light: #1A6BA8;

    --color-secondary: #f3d25f;
    --color-secondary-dark: #D4AF37;

    --color-accent: #2ECC71; /* General highlight/success green */
    --color-accent-light: #58D683;

    /* Text & Background Neutrals */
    --color-text-strong: #2C3E50; /* For Headings, strong contrast */
    --color-text-base: #34495E; /* Main body text color, softer */
    --color-text-subtle: #95A5A6;

    --color-dark-bg: #1C2833; /* Very deep background color */
    --color-light-bg: #F0F4F7; /* Subtle, cool light grey background */
    --color-white: #FFFFFF; /* Pure white */

    /* --- Gradients --- */
    /* Using defined color variables for consistency */
    --gradient-primary: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-light) 100%);
    --gradient-secondary: linear-gradient(135deg, var(--color-secondary-dark) 0%, var(--color-secondary) 100%);
    --gradient-success: linear-gradient(135deg, var(--color-accent) 0%, var(--color-accent-light) 100%);
    --gradient-hero: linear-gradient(135deg, rgba(0, 0, 0, 0.4) 0%, rgba(0, 0, 0, 0.4) 100%); /* Opacity reduced */

    /* --- Typography --- */
    --font-body: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    --font-heading: 'Poppins', 'Inter', sans-serif;

    /* Font Size Scale (Great work using REM) */
    --font-size-xs: 0.75rem;
    --font-size-sm: 0.875rem;
    --font-size-base: 1rem;
    --font-size-lg: 1.125rem;
    --font-size-xl: 1.25rem;
    --font-size-2xl: 1.5rem;
    --font-size-3xl: 1.875rem;
    --font-size-4xl: 2.25rem;
    --font-size-5xl: 3rem;

    /* --- Spacing --- */
    /* Based on 0.5rem (8px) unit */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 1.5rem;
    --spacing-lg: 2rem;
    --spacing-xl: 3rem;
    --spacing-2xl: 4rem;
    --spacing-3xl: 6rem;

    /* --- Layout & Borders --- */
    --container-width: 1280px;
    --header-height: 80px;

    /* Border Radius Scale */
    --border-radius-sm: 8px;
    --border-radius: 12px;
    --border-radius-lg: 16px;

    /* Border Width Scale (Added for completeness) */
    --border-width-sm: 1px;
    --border-width-md: 2px;
    --border-width-lg: 3px;

    /* --- Shadows & Transitions --- */
    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.1);
    --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.12);
    --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.15);
    --shadow-xl: 0 16px 48px rgba(0, 0, 0, 0.2);

    --transition-fast: 0.2s ease;
    --transition-base: 0.3s ease;
    --transition-slow: 0.5s ease;
}

/* ========== RESET & BASE ========== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

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

body {
    font-family: var(--font-body);
    font-size: var(--font-size-base);
    color: var(--color-text);
    background-color: var(--color-light);
    line-height: 1.6;
    overflow-x: hidden;
}

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

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

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

ul {
    list-style: none;
}

button,
input,
select,
textarea {
    font-family: inherit;
    font-size: inherit;
}

/* ========== UTILITIES ========== */
.container {
    max-width: var(--container-width);
    margin: 0 auto;
    padding: 0 var(--spacing-md);
}

.section {
    padding: var(--spacing-3xl) 0;
}

.section__header {
    text-align: center;
    margin-bottom: var(--spacing-2xl);
}

.section__subtitle {
    display: inline-block;
    color: var(--color-secondary);
    font-weight: 600;
    font-size: var(--font-size-sm);
    text-transform: uppercase;
    letter-spacing: 1.5px;
    margin-bottom: var(--spacing-sm);
}

.section__title {
    font-size: var(--font-size-4xl);
    margin-bottom: var(--spacing-md);
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}

.section__description {
    font-size: var(--font-size-lg);
    color: var(--color-text-light);
    max-width: 700px;
    margin: 0 auto;
}

.text-gradient {
    background: var(--gradient-secondary);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}

/* ========== BUTTONS ========== */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.875rem 1.75rem;
    font-weight: 600;
    border-radius: var(--border-radius);
    transition: all var(--transition-base);
    cursor: pointer;
    border: 2px solid transparent;
    text-align: center;
    white-space: nowrap;
}

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

.btn--primary:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

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

.btn--secondary:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

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

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

.btn--small {
    padding: 0.625rem 1.25rem;
    font-size: var(--font-size-sm);
}

.btn--large {
    padding: 1.125rem 2.5rem;
    font-size: var(--font-size-lg);
}

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

/* ========== HEADER ========== */
.header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    background: rgba(255, 255, 255, 0.98);
    backdrop-filter: blur(10px);
    box-shadow: var(--shadow-sm);
    z-index: 1000;
    transition: var(--transition-base);
}

.nav {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: var(--header-height);
}

.nav__logo {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    font-weight: 700;
    font-size: var(--font-size-xl);
    color: var(--color-primary);
}

.nav__logo-img {
    height: 45px;
    width: auto;
}

.nav__list {
    display: flex;
    gap: var(--spacing-lg);
}

.nav__link {
    font-weight: 500;
    color: var(--color-text);
    position: relative;
    padding: 0.5rem 0;
}

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

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

.nav__actions {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

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

/* ========== HERO SECTION ========== */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-white);
    overflow: hidden;
    padding-top: var(--header-height);
}

.hero__bg {
    position: absolute;
    inset: 0;
    z-index: -1;
}

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

.hero__overlay {
    position: absolute;
    inset: 0;
    background: var(--gradient-hero);
}


.hero__container {
    position: relative;
    z-index: 1;
    text-align: center;
    padding: var(--spacing-2xl) 0;
}

.hero__title {
    font-size: var(--font-size-5xl);
    font-weight: 800;
    margin-bottom: var(--spacing-md);
    line-height: 1.1;
    animation: fadeInUp 0.8s ease;
}

.hero__subtitle {
    font-size: var(--font-size-xl);
    margin-bottom: var(--spacing-xl);
    opacity: 0.95;
    animation: fadeInUp 0.8s ease 0.2s backwards;
}

.hero__cta {
    display: flex;
    gap: var(--spacing-md);
    justify-content: center;
    flex-wrap: wrap;
    margin-bottom: var(--spacing-2xl);
    animation: fadeInUp 0.8s ease 0.4s backwards;
}

.hero__stats {
    display: flex;
    gap: var(--spacing-xl);
    justify-content: center;
    flex-wrap: wrap;
    animation: fadeInUp 0.8s ease 0.6s backwards;
}

.stat {
    text-align: center;
    padding: var(--spacing-md);
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    border-radius: var(--border-radius);
    min-width: 150px;
}

.stat__number {
    font-size: var(--font-size-3xl);
    font-weight: 800;
    color: var(--color-secondary);
    margin-bottom: 0.25rem;
}

.stat__label {
    font-size: var(--font-size-sm);
    opacity: 0.9;
}

.hero__scroll {
    position: absolute;
    bottom: var(--spacing-xl);
    left: 50%;
    transform: translateX(-50%);
    animation: bounce 2s infinite;
}

.hero__scroll-link {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.5rem;
    color: var(--color-white);
    opacity: 0.8;
    transition: var(--transition-base);
}

.hero__scroll-link:hover {
    opacity: 1;
}

/* ========== SERVICES SECTION ========== */
.service {
    margin-bottom: var(--spacing-3xl);
}

.service__content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-2xl);
    align-items: center;
}

.service--reverse .service__content {
    direction: rtl;
}

.service--reverse .service__text {
    direction: ltr;
}

.service__icon {
    width: 80px;
    height: 80px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--gradient-secondary);
    border-radius: var(--border-radius-lg);
    font-size: 2.5rem;
    color: var(--color-white);
    margin-bottom: var(--spacing-md);
    box-shadow: var(--shadow-lg);
}

.service__title {
    font-size: var(--font-size-3xl);
    margin-bottom: var(--spacing-md);
}

.service__description {
    font-size: var(--font-size-lg);
    color: var(--color-text-light);
    margin-bottom: var(--spacing-xl);
}

.service__features {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-xl);
}

.feature {
    display: flex;
    gap: var(--spacing-md);
    padding: var(--spacing-md);
    background: var(--color-white);
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-sm);
    transition: var(--transition-base);
}

.feature:hover {
    transform: translateX(8px);
    box-shadow: var(--shadow-md);
}

.feature i {
    font-size: 1.75rem;
    color: var(--color-primary);
    flex-shrink: 0;
}

.feature h4 {
    font-size: var(--font-size-lg);
    margin-bottom: 0.5rem;
    color: var(--color-primary);
}

.feature p {
    color: var(--color-text-light);
    font-size: var(--font-size-sm);
}

.service__packages {
    margin-bottom: var(--spacing-xl);
}

.service__packages h4 {
    margin-bottom: var(--spacing-md);
    color: var(--color-dark);
}

.packages {
    display: flex;
    gap: var(--spacing-sm);
    flex-wrap: wrap;
}

.package {
    padding: 0.5rem 1.25rem;
    background: var(--gradient-success);
    color: var(--color-white);
    border-radius: var(--border-radius-sm);
    font-weight: 600;
    font-size: var(--font-size-sm);
}

.service__specs h4 {
    margin-bottom: var(--spacing-md);
    color: var(--color-dark);
}

.service__specs ul {
    list-style: none;
}

.service__specs li {
    padding: 0.625rem 0;
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    color: var(--color-text-light);
}

.service__specs li i {
    color: var(--color-success);
    font-size: 1.1rem;
}

.service__image {
    position: relative;
    border-radius: var(--border-radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-xl);
}

.service__image img {
    width: 100%;
    height: 500px;
    object-fit: cover;
    transition: var(--transition-slow);
}

.service__image:hover img {
    transform: scale(1.05);
}

.service__badge {
    position: absolute;
    top: var(--spacing-md);
    right: var(--spacing-md);
    background: rgba(243, 156, 18, 0.95);
    color: var(--color-white);
    padding: 0.75rem 1.5rem;
    border-radius: var(--border-radius);
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-weight: 600;
    box-shadow: var(--shadow-md);
}

/* ========== USP SECTION ========== */
.usp {
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-light) 100%);
    color: var(--color-white);
}

.usp .section__title {
    color: var(--color-white);
    -webkit-text-fill-color: unset;
}

.usp .section__subtitle {
    color: var(--color-secondary);
}

.usp__grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-xl);
}

.usp__card {
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    border: 2px solid rgba(255, 255, 255, 0.2);
    padding: var(--spacing-xl);
    border-radius: var(--border-radius-lg);
    text-align: center;
    transition: var(--transition-base);
}

.usp__card:hover {
    transform: translateY(-8px);
    background: rgba(255, 255, 255, 0.15);
    box-shadow: var(--shadow-xl);
}

.usp__icon {
    width: 100px;
    height: 100px;
    margin: 0 auto var(--spacing-md);
    background: var(--gradient-secondary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 3rem;
}

.usp__title {
    font-size: var(--font-size-2xl);
    margin-bottom: var(--spacing-md);
}

.usp__text {
    opacity: 0.9;
    margin-bottom: var(--spacing-md);
    line-height: 1.7;
}

.usp__highlight {
    display: inline-block;
    background: var(--color-secondary);
    color: var(--color-dark);
    padding: 0.5rem 1.25rem;
    border-radius: var(--border-radius-sm);
    font-weight: 700;
    font-size: var(--font-size-sm);
}

/* ========== TRUST SECTION ========== */
.trust__content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-2xl);
    margin-bottom: var(--spacing-2xl);
}

.trust__subtitle {
    font-size: var(--font-size-2xl);
    margin-bottom: var(--spacing-lg);
    color: var(--color-primary);
}

.map__container {
    position: relative;
    border-radius: var(--border-radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-lg);
    margin-bottom: var(--spacing-md);
}

.map__container img {
    width: 100%;
    height: 400px;
    object-fit: cover;
}

.map__overlay {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    background: linear-gradient(to top, rgba(10, 61, 98, 0.95), transparent);
    padding: var(--spacing-lg);
}

.map__locations {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-sm);
}

.map__locations span {
    background: rgba(255, 255, 255, 0.2);
    backdrop-filter: blur(5px);
    color: var(--color-white);
    padding: 0.5rem 1rem;
    border-radius: var(--border-radius-sm);
    font-size: var(--font-size-sm);
    font-weight: 500;
}

.map__note {
    color: var(--color-success);
    font-weight: 500;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.testimonials__grid {
    display: grid;
    gap: var(--spacing-lg);
}

.testimonial {
    background: var(--color-white);
    padding: var(--spacing-lg);
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-md);
    border-left: 4px solid var(--color-secondary);
}

.testimonial__rating {
    color: var(--color-secondary);
    margin-bottom: var(--spacing-sm);
    font-size: 1.25rem;
}

.testimonial__text {
    font-style: italic;
    color: var(--color-text-light);
    margin-bottom: var(--spacing-md);
    line-height: 1.7;
}

.testimonial__author strong {
    color: var(--color-dark);
    font-size: var(--font-size-lg);
}

.testimonial__author span {
    display: block;
    color: var(--color-text-light);
    font-size: var(--font-size-sm);
    margin-top: 0.25rem;
}

.testimonial__note {
    text-align: center;
    color: var(--color-text-light);
    margin-top: var(--spacing-md);
    padding: var(--spacing-md);
    background: var(--color-light);
    border-radius: var(--border-radius-sm);
}

.trust__badges {
    display: flex;
    justify-content: center;
    gap: var(--spacing-xl);
    flex-wrap: wrap;
    padding: var(--spacing-xl);
    background: var(--color-white);
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow-md);
}

.badge {
    text-align: center;
}

.badge img {
    width: 80px;
    height: 80px;
    margin: 0 auto var(--spacing-sm);
}

.badge span {
    display: block;
    font-weight: 600;
    color: var(--color-primary);
    font-size: var(--font-size-sm);
}

/* ========== QUOTE FORM SECTION ========== */
.quote {
    background: var(--color-light);
}

.quote__wrapper {
    display: grid;
    grid-template-columns: 1fr 1.5fr;
    gap: var(--spacing-2xl);
    background: var(--color-white);
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow-xl);
    overflow: hidden;
}

.quote__info {
    background: var(--gradient-primary);
    color: var(--color-white);
    padding: var(--spacing-2xl);
}

.quote__title {
    font-size: var(--font-size-3xl);
    margin-bottom: var(--spacing-md);
}

.quote__description {
    opacity: 0.9;
    margin-bottom: var(--spacing-xl);
    line-height: 1.7;
}

.quote__benefits {
    margin-bottom: var(--spacing-xl);
}

.benefit {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-md);
}

.benefit i {
    color: var(--color-secondary);
    font-size: 1.5rem;
}

.quote__contact h3 {
    font-size: var(--font-size-xl);
    margin-bottom: var(--spacing-md);
}

.contact-item {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-md);
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    border-radius: var(--border-radius);
    margin-bottom: var(--spacing-sm);
    transition: var(--transition-base);
}

.contact-item:hover {
    background: rgba(255, 255, 255, 0.2);
    transform: translateX(8px);
}

.contact-item i {
    font-size: 1.5rem;
}

.quote__form-container {
    padding: var(--spacing-2xl);
}

.quote__form {
    display: grid;
    gap: var(--spacing-lg);
}

.form__group {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.form__label {
    font-weight: 600;
    color: var(--color-dark);
}

.form__input,
.form__select,
.form__textarea {
    padding: 0.875rem 1.125rem;
    border: 2px solid #E0E0E0;
    border-radius: var(--border-radius-sm);
    font-size: var(--font-size-base);
    transition: var(--transition-base);
    background: var(--color-white);
}

.form__input:focus,
.form__select:focus,
.form__textarea:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px rgba(10, 61, 98, 0.1);
}

.form__textarea {
    resize: vertical;
    min-height: 80px;
}

.form__radio-group {
    display: flex;
    gap: var(--spacing-lg);
}

.form__radio {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    cursor: pointer;
}

.form__radio input[type="radio"] {
    width: 20px;
    height: 20px;
    accent-color: var(--color-primary);
    cursor: pointer;
}

.form__note {
    text-align: center;
    font-size: var(--font-size-sm);
    color: var(--color-text-light);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
}

.form__message {
    padding: var(--spacing-md);
    border-radius: var(--border-radius);
    margin-top: var(--spacing-md);
    text-align: center;
    font-weight: 600;
}

.form__message.success {
    background: #d4edda;
    color: #155724;
    border: 1px solid #c3e6cb;
}

.form__message.error {
    background: #f8d7da;
    color: #721c24;
    border: 1px solid #f5c6cb;
}

/* ========== CONTACT SECTION ========== */
.contact__grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-lg);
}

.contact__card {
    text-align: center;
    padding: var(--spacing-xl);
    background: var(--color-white);
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow-md);
    transition: var(--transition-base);
}

.contact__card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-lg);
}

.contact__card i {
    font-size: 3rem;
    color: var(--color-secondary);
    margin-bottom: var(--spacing-md);
}

.contact__card h3 {
    font-size: var(--font-size-xl);
    margin-bottom: var(--spacing-sm);
    color: var(--color-primary);
}

.contact__card p {
    color: var(--color-text-light);
}

.contact__card a {
    color: var(--color-primary);
    font-weight: 600;
}

.contact__card a:hover {
    color: var(--color-secondary);
}

/* ========== FOOTER ========== */
.footer {
    background: var(--color-dark-bg);
    color: var(--color-white);
    padding: var(--spacing-2xl) 0 var(--spacing-lg);
}

.footer__content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-xl);
    margin-bottom: var(--spacing-xl);
}

.footer__title {
    font-size: var(--font-size-2xl);
    margin-bottom: var(--spacing-md);
    color: var(--color-secondary);
}

.footer__subtitle {
    font-size: var(--font-size-lg);
    margin-bottom: var(--spacing-md);
    color: var(--color-secondary);
}

.footer__text {
    opacity: 0.8;
    line-height: 1.7;
    margin-bottom: var(--spacing-md);
}

.footer__social {
    display: flex;
    gap: var(--spacing-sm);
}

.social__link {
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 50%;
    transition: var(--transition-base);
}

.social__link:hover {
    background: var(--color-secondary);
    transform: translateY(-4px);
}

.footer__links li,
.footer__contact li {
    margin-bottom: var(--spacing-sm);
    opacity: 0.8;
    transition: var(--transition-fast);
}

.footer__links li:hover {
    opacity: 1;
    padding-left: 8px;
}

.footer__contact li {
    display: flex;
    gap: var(--spacing-sm);
}

.footer__bottom {
    text-align: center;
    padding-top: var(--spacing-lg);
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    opacity: 0.7;
}

.footer__bottom p {
    margin: 0.25rem 0;
}

/* ========== SCROLL TO TOP ========== */
.scroll-top {
    position: fixed;
    bottom: var(--spacing-lg);
    right: var(--spacing-lg);
    width: 50px;
    height: 50px;
    background: var(--gradient-secondary);
    color: var(--color-white);
    border: none;
    border-radius: 50%;
    font-size: 1.25rem;
    cursor: pointer;
    box-shadow: var(--shadow-lg);
    opacity: 0;
    visibility: hidden;
    transition: var(--transition-base);
    z-index: 999;
}

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

.scroll-top:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-xl);
}

/* ========== ANIMATIONS ========== */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }

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

@keyframes bounce {

    0%,
    100% {
        transform: translateX(-50%) translateY(0);
    }

    50% {
        transform: translateX(-50%) translateY(-10px);
    }
}

/* ========== RESPONSIVE DESIGN ========== */

/* Tablet */
@media screen and (max-width: 1024px) {
    :root {
        --font-size-5xl: 2.5rem;
        --font-size-4xl: 2rem;
        --font-size-3xl: 1.625rem;
    }

    .service__content,
    .trust__content,
    .quote__wrapper {
        grid-template-columns: 1fr;
    }

    .service--reverse .service__content {
        direction: ltr;
    }

    .service__image img {
        height: 400px;
    }
}

/* Mobile */
@media screen and (max-width: 768px) {
    :root {
        --spacing-3xl: 4rem;
        --spacing-2xl: 3rem;
        --spacing-xl: 2rem;
    }

    .nav__menu {
        position: fixed;
        top: 0;
        right: -100%;
        width: 75%;
        height: 100vh;
        background: var(--color-white);
        box-shadow: var(--shadow-xl);
        padding: var(--spacing-2xl) var(--spacing-lg);
        transition: var(--transition-base);
        z-index: 100;
    }

    .nav__menu.show-menu {
        right: 0;
    }

    .nav__list {
        flex-direction: column;
        gap: var(--spacing-md);
    }

    .nav__close,
    .nav__toggle {
        display: block;
    }

    .nav__close {
        position: absolute;
        top: var(--spacing-md);
        right: var(--spacing-md);
    }

    .nav__actions .btn--small {
        padding: 0.5rem 1rem;
        font-size: 0.813rem;
    }

    .nav__logo-text {
        font-size: var(--font-size-base);
    }

    .hero__title {
        font-size: var(--font-size-3xl);
    }

    .hero__subtitle {
        font-size: var(--font-size-base);
    }

    .hero__cta {
        flex-direction: column;
        align-items: stretch;
    }

    .btn--large {
        padding: 1rem 1.5rem;
    }

    .hero__stats {
        gap: var(--spacing-md);
    }

    .stat {
        min-width: 120px;
    }

    .section__title {
        font-size: var(--font-size-2xl);
    }

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

    .packages {
        justify-content: center;
    }

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

    .trust__badges {
        gap: var(--spacing-md);
    }

    .badge img {
        width: 60px;
        height: 60px;
    }

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

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

    .footer__social {
        justify-content: center;
    }
}

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

    .hero__title {
        font-size: var(--font-size-2xl);
    }

    .quote__info {
        padding: var(--spacing-lg);
    }

    .quote__form-container {
        padding: var(--spacing-lg);
    }
}