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

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Open Sans', sans-serif;
    font-size: 16px;
    line-height: 1.6;
    color: #343a40;
    overflow-x: hidden;
}

/* ===== VARIABLES ===== */
:root {
    /* Colors */
    --primary-color: #f95738;
    --secondary-color: #0d3b66;
    --white-color: #ffffff;
    --light-gray: #f8f9fa;
    --medium-gray: #6c757d;
    --dark-gray: #343a40;
    --success-color: #28a745;
    --danger-color: #dc3545;
    
    /* Gradients */
    --primary-gradient: linear-gradient(135deg, #0d3b66 0%, #f95738 100%);
    --hero-gradient: linear-gradient(135deg, rgba(13, 59, 102, 0.9) 0%, rgba(249, 87, 56, 0.9) 100%);
    
    /* Typography */
    --font-primary: 'Montserrat', sans-serif;
    --font-secondary: 'Open Sans', sans-serif;
    
    /* Spacing */
    --container-max-width: 1200px;
    --section-padding: 80px 0;
    --element-margin: 2rem;
    
    /* Shadows */
    --shadow-light: 0 2px 10px rgba(0, 0, 0, 0.1);
    --shadow-medium: 0 5px 20px rgba(0, 0, 0, 0.15);
    --shadow-heavy: 0 10px 30px rgba(0, 0, 0, 0.2);
    
    /* Transitions */
    --transition-fast: 0.3s ease;
    --transition-medium: 0.5s ease;
    --transition-slow: 0.7s ease;
    
    /* Border Radius */
    --border-radius-small: 8px;
    --border-radius-medium: 12px;
    --border-radius-large: 20px;
}

/* ===== UTILITIES ===== */
.container {
    max-width: var(--container-max-width);
    margin: 0 auto;
    padding: 0 20px;
}

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

.text-secondary {
    color: var(--secondary-color);
}

.section__header {
    text-align: center;
    margin-bottom: 4rem;
}

.section__title {
    font-family: var(--font-primary);
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--secondary-color);
    margin-bottom: 1rem;
    position: relative;
}

.section__title::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 50%;
    transform: translateX(-50%);
    width: 60px;
    height: 4px;
    background: var(--primary-gradient);
    border-radius: 2px;
}

.section__subtitle {
    font-size: 1.2rem;
    color: var(--medium-gray);
    max-width: 600px;
    margin: 0 auto;
}

/* ===== BUTTONS ===== */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 12px 24px;
    font-family: var(--font-secondary);
    font-size: 16px;
    font-weight: 600;
    text-decoration: none;
    border: none;
    border-radius: var(--border-radius-small);
    cursor: pointer;
    transition: all var(--transition-fast);
    position: relative;
    overflow: hidden;
}

.btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
    transition: left var(--transition-medium);
}

.btn:hover::before {
    left: 100%;
}

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

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

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

.btn-outline:hover {
    background: var(--secondary-color);
    color: var(--white-color);
    transform: translateY(-2px);
}

.btn-large {
    padding: 16px 32px;
    font-size: 18px;
}

/* ===== HEADER ===== */
.header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    box-shadow: var(--shadow-light);
    z-index: 1000;
    transition: all var(--transition-fast);
}

.nav {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 70px;
}

.nav__logo h2 {
    font-family: var(--font-primary);
    font-size: 1.8rem;
    font-weight: 800;
    color: var(--secondary-color);
}

.nav__list {
    display: flex;
    list-style: none;
    gap: 2rem;
}

.nav__link {
    font-weight: 600;
    color: var(--dark-gray);
    text-decoration: none;
    position: relative;
    transition: color var(--transition-fast);
}

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

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

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

.nav__actions {
    display: flex;
    align-items: center;
    gap: 1rem;
}

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

/* ===== HERO SECTION ===== */
.hero {
    background: var(--hero-gradient), url('https://images.unsplash.com/photo-1559136555-9303baea8ebd?ixlib=rb-4.0.3&auto=format&fit=crop&w=2070&q=80');
    background-size: cover;
    background-position: center;
    background-attachment: fixed;
    padding: 120px 0 80px;
    color: var(--white-color);
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: var(--hero-gradient);
    z-index: 1;
}

.hero__container {
    position: relative;
    z-index: 2;
}

.hero__content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
    min-height: 600px;
}

.hero__title {
    font-family: var(--font-primary);
    font-size: 3.5rem;
    font-weight: 800;
    line-height: 1.2;
    margin-bottom: 1rem;
    animation: fadeInUp 1s ease;
}

.hero__subtitle {
    font-family: var(--font-primary);
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--primary-color);
    margin-bottom: 1.5rem;
    animation: fadeInUp 1s ease 0.2s both;
}

.hero__description {
    font-size: 1.2rem;
    line-height: 1.8;
    margin-bottom: 2.5rem;
    opacity: 0.9;
    animation: fadeInUp 1s ease 0.4s both;
}

.hero__actions {
    display: flex;
    gap: 1.5rem;
    animation: fadeInUp 1s ease 0.6s both;
}

.hero__image {
    position: relative;
    animation: fadeInRight 1s ease 0.8s both;
}

.hero__img {
    width: 100%;
    height: 500px;
    object-fit: cover;
    border-radius: var(--border-radius-large);
    box-shadow: var(--shadow-heavy);
}

.hero__stats {
    position: absolute;
    bottom: -30px;
    right: -30px;
    background: var(--white-color);
    padding: 2rem;
    border-radius: var(--border-radius-medium);
    box-shadow: var(--shadow-medium);
    display: flex;
    gap: 2rem;
}

.stat {
    text-align: center;
}

.stat__number {
    display: block;
    font-family: var(--font-primary);
    font-size: 2.5rem;
    font-weight: 800;
    color: var(--primary-color);
}

.stat__text {
    font-size: 0.9rem;
    color: var(--medium-gray);
    font-weight: 600;
}

/* ===== PROBLEMS SECTION ===== */
.problems {
    padding: var(--section-padding);
    background: var(--light-gray);
}

.problems__grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
}

.problem__card {
    background: var(--white-color);
    padding: 2.5rem 2rem;
    border-radius: var(--border-radius-medium);
    text-align: center;
    box-shadow: var(--shadow-light);
    transition: all var(--transition-fast);
    position: relative;
    overflow: hidden;
}

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

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

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

.problem__icon {
    width: 80px;
    height: 80px;
    background: var(--primary-gradient);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1.5rem;
    font-size: 2rem;
    color: var(--white-color);
}

.problem__title {
    font-family: var(--font-primary);
    font-size: 1.3rem;
    font-weight: 700;
    color: var(--secondary-color);
    margin-bottom: 1rem;
}

.problem__text {
    color: var(--medium-gray);
    line-height: 1.6;
}

/* ===== SERVICES SECTION ===== */
.services {
    padding: var(--section-padding);
    background: var(--white-color);
}

.services__grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 2.5rem;
}

.service__card {
    background: var(--white-color);
    padding: 2.5rem;
    border-radius: var(--border-radius-medium);
    box-shadow: var(--shadow-light);
    transition: all var(--transition-fast);
    border: 1px solid #e9ecef;
    position: relative;
    overflow: hidden;
}

.service__card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: var(--primary-gradient);
    opacity: 0;
    transition: opacity var(--transition-fast);
    z-index: 1;
}

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

.service__card:hover::before {
    opacity: 0.95;
}

.service__card > * {
    position: relative;
    z-index: 2;
}

.service__icon {
    width: 70px;
    height: 70px;
    background: var(--primary-gradient);
    border-radius: var(--border-radius-small);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 1.5rem;
    font-size: 1.8rem;
    color: var(--white-color);
    transition: all var(--transition-fast);
}

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

.service__title {
    font-family: var(--font-primary);
    font-size: 1.4rem;
    font-weight: 700;
    color: var(--secondary-color);
    margin-bottom: 1rem;
    transition: color var(--transition-fast);
}

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

.service__description {
    color: var(--medium-gray);
    margin-bottom: 1.5rem;
    line-height: 1.6;
    transition: color var(--transition-fast);
}

.service__card:hover .service__description {
    color: rgba(255, 255, 255, 0.9);
}

.service__features {
    list-style: none;
}

.service__features li {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    margin-bottom: 0.5rem;
    color: var(--medium-gray);
    transition: color var(--transition-fast);
}

.service__card:hover .service__features li {
    color: rgba(255, 255, 255, 0.9);
}

.service__features i {
    color: var(--primary-color);
    transition: color var(--transition-fast);
}

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

/* ===== DIFFERENTIALS SECTION ===== */
.differentials {
    padding: var(--section-padding);
    background: var(--light-gray);
}

.differentials__grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
}

.differential__card {
    background: var(--white-color);
    padding: 2.5rem 2rem;
    border-radius: var(--border-radius-medium);
    text-align: center;
    box-shadow: var(--shadow-light);
    transition: all var(--transition-fast);
    position: relative;
}

.differential__card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 60px;
    height: 4px;
    background: var(--primary-gradient);
    border-radius: 0 0 4px 4px;
    transition: width var(--transition-fast);
}

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

.differential__card:hover::before {
    width: 100%;
}

.differential__icon {
    width: 80px;
    height: 80px;
    background: var(--primary-gradient);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1.5rem;
    font-size: 2rem;
    color: var(--white-color);
}

.differential__title {
    font-family: var(--font-primary);
    font-size: 1.3rem;
    font-weight: 700;
    color: var(--secondary-color);
    margin-bottom: 1rem;
}

.differential__description {
    color: var(--medium-gray);
    line-height: 1.6;
}

/* ===== TESTIMONIALS SECTION ===== */
.testimonials {
    padding: var(--section-padding);
    background: var(--white-color);
}

.testimonials__slider {
    position: relative;
    max-width: 800px;
    margin: 0 auto;
}

.testimonial__card {
    display: none;
    opacity: 0;
    transition: opacity var(--transition-medium);
}

.testimonial__card.active {
    display: block;
    opacity: 1;
}

.testimonial__content {
    background: var(--light-gray);
    padding: 3rem;
    border-radius: var(--border-radius-medium);
    text-align: center;
    position: relative;
}

.testimonial__content::before {
    content: '"';
    position: absolute;
    top: -20px;
    left: 50%;
    transform: translateX(-50%);
    font-size: 4rem;
    color: var(--primary-color);
    font-family: var(--font-primary);
    font-weight: 800;
}

.testimonial__stars {
    margin-bottom: 1.5rem;
}

.testimonial__stars i {
    color: #ffc107;
    font-size: 1.2rem;
    margin: 0 2px;
}

.testimonial__text {
    font-size: 1.1rem;
    line-height: 1.8;
    color: var(--dark-gray);
    margin-bottom: 2rem;
    font-style: italic;
}

.testimonial__author {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 1rem;
}

.testimonial__avatar {
    width: 60px;
    height: 60px;
    border-radius: 50%;
    overflow: hidden;
    border: 3px solid var(--primary-color);
}

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

.testimonial__name {
    font-family: var(--font-primary);
    font-weight: 700;
    color: var(--secondary-color);
    margin-bottom: 0.2rem;
}

.testimonial__position {
    color: var(--medium-gray);
    font-size: 0.9rem;
}

.testimonials__navigation {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 2rem;
    margin-top: 2rem;
}

.testimonial__nav {
    width: 50px;
    height: 50px;
    border: none;
    background: var(--primary-color);
    color: var(--white-color);
    border-radius: 50%;
    cursor: pointer;
    transition: all var(--transition-fast);
    display: flex;
    align-items: center;
    justify-content: center;
}

.testimonial__nav:hover {
    background: var(--secondary-color);
    transform: scale(1.1);
}

.testimonial__dots {
    display: flex;
    gap: 0.5rem;
}

.testimonial__dot {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: #ddd;
    cursor: pointer;
    transition: background var(--transition-fast);
}

.testimonial__dot.active {
    background: var(--primary-color);
}

/* ===== FAQ SECTION ===== */
.faq {
    padding: var(--section-padding);
    background: var(--light-gray);
}

.faq__container {
    max-width: 800px;
    margin: 0 auto;
}

.faq__item {
    background: var(--white-color);
    border-radius: var(--border-radius-medium);
    margin-bottom: 1rem;
    box-shadow: var(--shadow-light);
    overflow: hidden;
    transition: all var(--transition-fast);
}

.faq__item:hover {
    box-shadow: var(--shadow-medium);
}

.faq__question {
    padding: 1.5rem 2rem;
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
    background: var(--white-color);
    transition: background var(--transition-fast);
}

.faq__question:hover {
    background: var(--light-gray);
}

.faq__question h3 {
    font-family: var(--font-primary);
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--secondary-color);
}

.faq__question i {
    color: var(--primary-color);
    transition: transform var(--transition-fast);
}

.faq__item.active .faq__question i {
    transform: rotate(180deg);
}

.faq__answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height var(--transition-medium);
}

.faq__item.active .faq__answer {
    max-height: 200px;
}

.faq__answer p {
    padding: 0 2rem 1.5rem;
    color: var(--medium-gray);
    line-height: 1.6;
}

/* ===== CONTACT SECTION ===== */
.contact {
    padding: var(--section-padding);
    background: var(--white-color);
}

.contact__container {
    max-width: 1200px;
    margin: 0 auto;
}

.contact__content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: start;
}

.contact__title {
    font-family: var(--font-primary);
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--secondary-color);
    margin-bottom: 1.5rem;
}

.contact__description {
    font-size: 1.1rem;
    color: var(--medium-gray);
    line-height: 1.8;
    margin-bottom: 2rem;
}

.contact__benefits {
    margin-bottom: 2rem;
}

.contact__benefit {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-bottom: 1rem;
}

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

.contact__benefit span {
    color: var(--dark-gray);
    font-weight: 600;
}

.contact__image {
    margin-top: 2rem;
}

.contact__img {
    width: 100%;
    height: 300px;
    object-fit: cover;
    border-radius: var(--border-radius-medium);
    box-shadow: var(--shadow-medium);
}

.contact__form-container {
    position: relative;
}

.contact__form {
    background: var(--light-gray);
    padding: 3rem;
    border-radius: var(--border-radius-medium);
    box-shadow: var(--shadow-medium);
}

.form__title {
    font-family: var(--font-primary);
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--secondary-color);
    text-align: center;
    margin-bottom: 2rem;
}

.form__group {
    margin-bottom: 1.5rem;
}

.form__label {
    display: block;
    font-weight: 600;
    color: var(--dark-gray);
    margin-bottom: 0.5rem;
}

.form__input,
.form__select,
.form__textarea {
    width: 100%;
    padding: 12px 16px;
    border: 2px solid #e9ecef;
    border-radius: var(--border-radius-small);
    font-size: 16px;
    transition: border-color var(--transition-fast);
    background: var(--white-color);
}

.form__input:focus,
.form__select:focus,
.form__textarea:focus {
    outline: none;
    border-color: var(--primary-color);
}

.form__textarea {
    resize: vertical;
    min-height: 100px;
}

.form__error {
    display: block;
    color: var(--danger-color);
    font-size: 0.9rem;
    margin-top: 0.5rem;
}

.form__submit {
    width: 100%;
    margin-bottom: 1rem;
}

.form__privacy {
    text-align: center;
    font-size: 0.9rem;
    color: var(--medium-gray);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
}

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

.form__success {
    display: none;
    background: var(--success-color);
    color: var(--white-color);
    padding: 2rem;
    border-radius: var(--border-radius-medium);
    text-align: center;
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 10;
}

.form__success.show {
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
}

.form__success i {
    font-size: 3rem;
    margin-bottom: 1rem;
}

.form__success h3 {
    font-family: var(--font-primary);
    font-size: 1.5rem;
    margin-bottom: 1rem;
}

/* ===== FOOTER ===== */
.footer {
    background: var(--secondary-color);
    color: var(--white-color);
    padding: 4rem 0 2rem;
}

.footer__content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 3rem;
    margin-bottom: 3rem;
}

.footer__logo h3 {
    font-family: var(--font-primary);
    font-size: 1.8rem;
    font-weight: 800;
    margin-bottom: 0.5rem;
}

.footer__tagline {
    color: var(--primary-color);
    font-weight: 600;
    margin-bottom: 1rem;
}

.footer__description {
    color: rgba(255, 255, 255, 0.8);
    line-height: 1.6;
}

.footer__title {
    font-family: var(--font-primary);
    font-size: 1.2rem;
    font-weight: 700;
    margin-bottom: 1.5rem;
    color: var(--primary-color);
}

.footer__contact-item {
    display: flex;
    align-items: center;
    gap: 0.8rem;
    margin-bottom: 1rem;
    color: rgba(255, 255, 255, 0.8);
}

.footer__contact-item i {
    color: var(--primary-color);
    width: 20px;
}

.footer__links {
    list-style: none;
}

.footer__links li {
    margin-bottom: 0.8rem;
}

.footer__links a {
    color: rgba(255, 255, 255, 0.8);
    text-decoration: none;
    transition: color var(--transition-fast);
}

.footer__links a:hover {
    color: var(--primary-color);
}

.footer__social {
    display: flex;
    gap: 1rem;
    margin-bottom: 2rem;
}

.footer__social-link {
    width: 40px;
    height: 40px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--white-color);
    text-decoration: none;
    transition: all var(--transition-fast);
}

.footer__social-link:hover {
    background: var(--primary-color);
    transform: translateY(-3px);
}

.footer__newsletter h5 {
    font-family: var(--font-primary);
    font-weight: 600;
    margin-bottom: 0.5rem;
}

.footer__newsletter p {
    color: rgba(255, 255, 255, 0.8);
    margin-bottom: 1rem;
    font-size: 0.9rem;
}

.newsletter__form {
    display: flex;
    gap: 0.5rem;
}

.newsletter__input {
    flex: 1;
    padding: 10px 12px;
    border: none;
    border-radius: var(--border-radius-small);
    font-size: 14px;
}

.newsletter__btn {
    padding: 10px 12px;
    background: var(--primary-color);
    color: var(--white-color);
    border: none;
    border-radius: var(--border-radius-small);
    cursor: pointer;
    transition: background var(--transition-fast);
}

.newsletter__btn:hover {
    background: #e04a2f;
}

.footer__bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding-top: 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 1rem;
}

.footer__copyright p {
    color: rgba(255, 255, 255, 0.6);
    font-size: 0.9rem;
}

.footer__legal {
    display: flex;
    gap: 2rem;
}

.footer__legal a {
    color: rgba(255, 255, 255, 0.6);
    text-decoration: none;
    font-size: 0.9rem;
    transition: color var(--transition-fast);
}

.footer__legal a:hover {
    color: var(--primary-color);
}

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

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

@keyframes fadeInLeft {
    from {
        opacity: 0;
        transform: translateX(-30px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

/* ===== RESPONSIVE DESIGN ===== */
@media screen and (max-width: 1024px) {
    .hero__content {
        grid-template-columns: 1fr;
        gap: 3rem;
        text-align: center;
    }
    
    .hero__title {
        font-size: 3rem;
    }
    
    .contact__content {
        grid-template-columns: 1fr;
        gap: 3rem;
    }
    
    .services__grid {
        grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    }
}

@media screen and (max-width: 768px) {
    :root {
        --section-padding: 60px 0;
    }
    
    .container {
        padding: 0 15px;
    }
    
    .nav__menu {
        position: fixed;
        top: 0;
        right: -100%;
        width: 100%;
        height: 100vh;
        background: var(--white-color);
        flex-direction: column;
        justify-content: center;
        align-items: center;
        transition: right var(--transition-medium);
        z-index: 1000;
    }
    
    .nav__menu.show {
        right: 0;
    }
    
    .nav__list {
        flex-direction: column;
        gap: 3rem;
        text-align: center;
    }
    
    .nav__link {
        font-size: 1.2rem;
    }
    
    .nav__close {
        position: absolute;
        top: 2rem;
        right: 2rem;
        font-size: 2rem;
    }
    
    .nav__toggle,
    .nav__close {
        display: block;
    }
    
    .nav__actions .btn {
        display: none;
    }
    
    .hero {
        padding: 100px 0 60px;
    }
    
    .hero__title {
        font-size: 2.5rem;
    }
    
    .hero__subtitle {
        font-size: 1.2rem;
    }
    
    .hero__actions {
        flex-direction: column;
        align-items: center;
        gap: 1rem;
    }
    
    .hero__actions .btn {
        width: 100%;
        max-width: 300px;
        justify-content: center;
    }
    
    .hero__stats {
        position: static;
        margin-top: 2rem;
        justify-content: center;
    }
    
    .section__title {
        font-size: 2rem;
    }
    
    .problems__grid,
    .services__grid,
    .differentials__grid {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }
    
    .contact__form {
        padding: 2rem 1.5rem;
    }
    
    .footer__bottom {
        flex-direction: column;
        text-align: center;
    }
    
    .footer__legal {
        justify-content: center;
    }
}

@media screen and (max-width: 480px) {
    .hero__title {
        font-size: 2rem;
    }
    
    .section__title {
        font-size: 1.8rem;
    }
    
    .btn-large {
        padding: 14px 24px;
        font-size: 16px;
    }
    
    .service__card,
    .problem__card,
    .differential__card {
        padding: 2rem 1.5rem;
    }
    
    .testimonial__content {
        padding: 2rem 1.5rem;
    }
    
    .contact__form {
        padding: 1.5rem 1rem;
    }
}