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

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

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Roboto', 'Oxygen', 'Ubuntu', 'Cantarell', sans-serif;
    line-height: 1.6;
    color: #333;
    background: #fff;
}

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

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

ul {
    list-style: none;
}

/* ================================
   UTILITY CLASSES
   ================================ */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

.section {
    padding: 40px 0;
}

.section--gray {
    background-color: #f8f9fa;
}

.section__header {
    text-align: center;
    max-width: 800px;
    margin: 30px auto;
}

.section__title {
    font-size: 2.5rem;
    font-weight: 700;
    color: #1a1a1a;
    margin-bottom: 20px;
    line-height: 1.2;
}

.section__subtitle {
    font-size: 1.125rem;
    color: #666;
    line-height: 1.8;
}

.lead {
    font-size: 1.25rem;
    font-weight: 300;
    color: #555;
    line-height: 1.7;
}

/* ================================
   BUTTONS
   ================================ */
.btn {
    display: inline-block;
    padding: 14px 32px;
    border-radius: 50px;
    font-weight: 600;
    font-size: 1rem;
    text-align: center;
    cursor: pointer;
    transition: all 0.3s ease;
    border: 2px solid transparent;
}

.btn--primary {
    background: #667eea;
    color: #fff;
}

.btn--primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 25px rgba(102, 126, 234, 0.3);
}

.btn--secondary {
    background: #ffffff;
    border: 2px solid #667eea;
    color: #667eea;
}

.btn--secondary:hover {
    background: #667eea;
    color: #fff;
    transform: translateY(-2px);
}

/* ================================
   HEADER & NAVIGATION
   ================================ */
.header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    background: #fff;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
    z-index: 1000;
    transition: all 0.3s ease;
}

.nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 15px 20px;
}

.nav__logo img {
    height: 50px;
    width: auto;
}

.nav__menu {
    display: flex;
}

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

.nav__link {
    font-weight: 500;
    color: #333;
    padding: 8px 16px;
    border-radius: 20px;
    transition: all 0.3s ease;
}

.nav__link:hover,
.nav__link.active {
    color: #667eea;
    background: rgba(102, 126, 234, 0.1);
}

.nav__toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: transparent;
    border: none;
    cursor: pointer;
    padding: 5px;
}

.nav__toggle span {
    width: 25px;
    height: 3px;
    background: #333;
    border-radius: 3px;
    transition: all 0.3s ease;
}

/* ================================
   HERO SECTION
   ================================ */
.hero {
    position: relative;
    height: 600px;
    display: flex;
    align-items: center;
    justify-content: center;
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    margin-top: 80px;
}

.hero--small {
    height: 400px;
}

.hero__overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, rgba(0,0,0,0.2) 0%, rgba(102, 126, 234, 0.15) 100%);
}

.hero__content {
    position: relative;
    z-index: 1;
    text-align: center;
    color: #fff;
}

.hero__title {
    font-size: 3.5rem;
    font-weight: 700;
    margin-bottom: 30px;
    text-shadow: 0 2px 10px rgba(0,0,0,0.3);
    line-height: 1.2;
}

/* ================================
   PRESENTATION SECTION
   ================================ */
.presentation {
    text-align: center;
}

.presentation__content h2 {
    font-size: 2rem;
    color: #667eea;
    margin-bottom: 30px;
}

.presentation__headline {
    font-size: 2.5rem;
    color: #1a1a1a;
    margin-top: 50px;
    font-weight: 700;
    line-height: 1.3;
}

/* ================================
   INTRO CARDS
   ================================ */
.intro-cards__grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 40px;
}

.intro-card {
    text-align: center;
    padding: 40px 30px;
    background: #fff;
    border-radius: 20px;
    box-shadow: 0 5px 20px rgba(0,0,0,0.08);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.intro-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 15px 40px rgba(102, 126, 234, 0.15);
}

.intro-card__icon {
    max-width: 300px;
    max-height: 300px;
    margin: 0 auto 25px;
}

.intro-card__icon img {
    width: 100%;
    height: 100%;
    object-fit: contain;
}

.intro-card__title {
    font-size: 1.5rem;
    font-weight: 600;
    color: #1a1a1a;
    margin-bottom: 15px;
}

.intro-card__text {
    color: #666;
    line-height: 1.7;
}

/* ================================
   EXPERTISE SECTION
   ================================ */
.expertise {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: #fff;
}

.expertise .section__title,
.expertise .section__subtitle {
    color: #fff;
}

/* ================================
   REVIEWS SECTION
   ================================ */
.reviews__grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
    margin-top: 50px;
}

.review-card {
    background: #fff;
    padding: 40px;
    border-radius: 20px;
    box-shadow: 0 5px 20px rgba(0,0,0,0.08);
    transition: transform 0.3s ease;
}

.review-card:hover {
    transform: translateY(-5px);
}

.review-card__avatar {
    width: 80px;
    height: 80px;
    border-radius: 50%;
    overflow: hidden;
    margin: 0 auto 20px;
}

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

.review-card__quote {
    font-style: italic;
    color: #555;
    line-height: 1.8;
    margin-bottom: 20px;
}

.review-card__name {
    font-weight: 600;
    color: #667eea;
    text-align: right;
}

/* ================================
   FEATURES GRID
   ================================ */
.features__grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 30px;
    margin-top: 50px;
}

.feature-card {
    background: #fff;
    padding: 40px 30px;
    border-radius: 15px;
    box-shadow: 0 3px 15px rgba(0,0,0,0.08);
    text-align: center;
    transition: transform 0.3s ease;
}

.feature-card:hover {
    transform: translateY(-5px);
}

.feature-card__icon {
    width: 60px;
    height: 60px;
    margin: 0 auto 20px;
    color: #667eea;
}

.feature-card__icon svg {
    width: 100%;
    height: 100%;
}

.feature-card h3 {
    font-size: 1.25rem;
    color: #1a1a1a;
    margin-bottom: 15px;
}

.feature-card p {
    color: #666;
    line-height: 1.6;
}

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

.about__text h2 {
    font-size: 2.5rem;
    color: #1a1a1a;
    margin-bottom: 20px;
}

.about__text p {
    color: #555;
    line-height: 1.8;
    margin-bottom: 20px;
}

.about__image {
    border-radius: 20px;
    overflow: hidden;
    box-shadow: 0 10px 40px rgba(0,0,0,0.1);
}

/* ================================
   SERVICES SECTION
   ================================ */
.services__grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 40px;
    margin-top: 50px;
}

.service-card {
    text-align: center;
    padding: 40px 30px;
    background: #fff;
    border-radius: 20px;
    box-shadow: 0 5px 20px rgba(0,0,0,0.08);
}

.service-card__icon {
    width: 80px;
    height: 80px;
    margin: 0 auto 25px;
}

.service-card__icon img {
    width: 100%;
    height: 100%;
    object-fit: contain;
}

.service-card__title {
    font-size: 1.5rem;
    color: #1a1a1a;
    margin-bottom: 15px;
}

.service-card__text {
    color: #666;
    line-height: 1.7;
}

/* ================================
   VALUES SECTION
   ================================ */
.values__grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
    margin-top: 50px;
}

.value-card {
    padding: 30px;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: #fff;
    border-radius: 15px;
    transition: transform 0.3s ease;
}

.value-card:hover {
    transform: translateY(-5px);
}

.value-card h3 {
    font-size: 1.5rem;
    margin-bottom: 15px;
}

.value-card p {
    line-height: 1.7;
    opacity: 0.95;
}

/* ================================
   CONTACT SECTION
   ================================ */
.contact__intro {
    text-align: center;
    max-width: 700px;
    margin: 0 auto 60px;
}

.contact__intro h2 {
    font-size: 2.5rem;
    color: #1a1a1a;
    margin-bottom: 20px;
}

.contact__content {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 60px;
}

.contact__info {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
}

.contact-card {
    background: #f8f9fa;
    padding: 40px 30px;
    border-radius: 15px;
    text-align: center;
}

.contact-card__icon {
    width: 60px;
    height: 60px;
    margin: 0 auto 20px;
    color: #667eea;
}

.contact-card__icon svg {
    width: 100%;
    height: 100%;
}

.contact-card h3 {
    font-size: 1.25rem;
    color: #1a1a1a;
    margin-bottom: 15px;
}

.contact-card p {
    color: #666;
    margin-bottom: 20px;
}

.contact-card a {
    color: #667eea;
    font-weight: 500;
}

.contact-card a:hover {
    text-decoration: underline;
}

.contact__description h3 {
    font-size: 1.5rem;
    color: #1a1a1a;
    margin-bottom: 25px;
}

.contact__list {
    list-style: none;
}

.contact__list li {
    display: flex;
    align-items: flex-start;
    gap: 15px;
    margin-bottom: 20px;
    color: #555;
    line-height: 1.6;
}

.contact__list svg {
    width: 24px;
    height: 24px;
    color: #667eea;
    flex-shrink: 0;
    margin-top: 2px;
}

/* ================================
   FAQ SECTION
   ================================ */
.faq__list {
    max-width: 800px;
    margin: 0 auto;
}

.faq-item {
    background: #fff;
    padding: 30px;
    border-radius: 15px;
    margin-bottom: 20px;
    box-shadow: 0 3px 15px rgba(0,0,0,0.05);
}

.faq-item h3 {
    font-size: 1.25rem;
    color: #1a1a1a;
    margin-bottom: 15px;
}

.faq-item p {
    color: #666;
    line-height: 1.7;
}

/* ================================
   CTA SECTION
   ================================ */
.cta {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: #fff;
}

.cta__content {
    text-align: center;
    max-width: 700px;
    margin: 0 auto;
}

.cta__content h2 {
    font-size: 2.5rem;
    margin-bottom: 20px;
}

.cta__content p {
    font-size: 1.125rem;
    margin-bottom: 30px;
    opacity: 0.95;
}

/* ================================
   FOOTER
   ================================ */
.footer {
    background: #1a1a1a;
    color: #fff;
    padding: 60px 0 30px;
}

.footer__content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 40px;
    margin-bottom: 40px;
}

.footer__logo img {
    height: 60px;
    margin-bottom: 15px;
    filter: brightness(0) invert(1);
}

.footer__logo p {
    color: #aaa;
}

.footer__links h4,
.footer__contact h4 {
    font-size: 1.125rem;
    margin-bottom: 20px;
}

.footer__links ul li {
    margin-bottom: 10px;
}

.footer__links a,
.footer__contact a {
    color: #aaa;
    transition: color 0.3s ease;
}

.footer__links a:hover,
.footer__contact a:hover {
    color: #667eea;
}

.footer__contact p {
    color: #aaa;
    margin-bottom: 10px;
}

.footer__bottom {
    text-align: center;
    padding-top: 30px;
    border-top: 1px solid #333;
    color: #aaa;
}

/* ================================
   RESPONSIVE
   ================================ */
@media (max-width: 768px) {
    .nav__menu {
        position: fixed;
        top: 80px;
        left: -100%;
        width: 100%;
        background: #fff;
        box-shadow: 0 5px 20px rgba(0,0,0,0.1);
        padding: 0;
        transition: left 0.3s ease;
    }

    .nav__menu.active {
        left: 0;
    }

    .nav__list {
        flex-direction: column;
        gap: 0;
        width: 100%;
        padding: 0;
        margin: 0;
    }

    .nav__item {
        width: 100%;
    }

    .nav__link {
        display: block;
        width: 100%;
        border-radius: 0;
        padding: 15px 20px;
        border-bottom: 1px solid #eee;
        box-sizing: border-box;
    }

    .nav__link:last-child {
        border-bottom: none;
    }

    .nav__toggle {
        display: flex;
    }

    .hero {
        height: 500px;
        background-position: 70% center;
    }

    .hero__title {
        font-size: 2.5rem;
    }

    .section__title {
        font-size: 2rem;
    }

    .presentation__headline {
        font-size: 1.75rem;
    }

    .intro-cards__grid,
    .reviews__grid,
    .features__grid,
    .services__grid,
    .values__grid {
        grid-template-columns: 1fr;
    }

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

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

/* ================================
   FEATURE CARDS - IMAGE STYLING
   ================================ */
.image-full-width {
    width: 100%;
    max-height: 500px;
    overflow: hidden;
}

.image-full-width img {
    width: 100%;
    height: auto;
    display: block;
    max-height: 500px;
    object-fit: cover;
}

.area-icon {
    width: 400px !important;
    height: 300px !important;
    object-fit: cover;
    margin: 0 auto 20px;
}

.intro-card__icon img {
    width: 400px !important;
    height: 300px !important;
    object-fit: cover;
    display: block;
    margin: 0 auto;
}

@media (max-width: 480px) {
    .hero__title {
        font-size: 2rem;
    }

    .section {
        padding: 50px 0;
    }

    .btn {
        padding: 12px 24px;
        font-size: 0.9rem;
    }
    
    .area-icon {
        width: 100% !important;
        height: auto !important;
    }
}