/* ========================================
   RESET & BASE
======================================== */

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Roboto', 'Helvetica Neue', sans-serif;
    color: #1a1a1a;
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    overflow-x: hidden;
}

html {
    scroll-behavior: smooth;
    scroll-padding-top: 80px;
}

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

/* ========================================
   CONTAINER
======================================== */

.container {
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 40px;
}

/* ========================================
   HEADER & NAVIGATION
======================================== */

.header {
    background: transparent;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    padding: 20px 0;
    transition: all 0.3s ease;
}

.header.scrolled {
    background: rgba(0, 0, 0, 0.95);
    backdrop-filter: blur(15px);
    -webkit-backdrop-filter: blur(15px);
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    box-shadow: 0 2px 20px rgba(0, 0, 0, 0.1);
}

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

.logo {
    height: 32px;
    filter: brightness(0) invert(1);
    transition: all 0.3s ease;
}

.nav-menu {
    display: flex;
    gap: 28px;
    flex: 1;
    justify-content: center;
    margin-left: 40px;
    margin-right: 40px;
}

.nav-menu a {
    color: #fff;
    text-decoration: none;
    font-weight: 600;
    font-size: 11px;
    text-transform: uppercase;
    transition: all 0.3s ease;
    letter-spacing: 0.8px;
    position: relative;
    padding: 5px 0;
    white-space: nowrap;
}

.nav-menu a::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 0;
    width: 0;
    height: 2px;
    background: #E31E24;
    transition: width 0.3s ease;
}

.nav-menu a:hover::after {
    width: 100%;
}

.nav-menu a:hover {
    color: #E31E24;
}

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

.language-select {
    background: rgba(255, 255, 255, 0.1);
    color: #fff;
    border: 1px solid rgba(255, 255, 255, 0.3);
    padding: 10px 18px;
    border-radius: 30px;
    font-weight: 500;
    font-size: 11px;
    cursor: pointer;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    transition: all 0.3s ease;
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    outline: none;
}

.language-select:hover {
    background: rgba(255, 255, 255, 0.2);
    border-color: rgba(255, 255, 255, 0.5);
}

.language-select option {
    background: #1a1a1a;
    color: #fff;
}

/* ========================================
   BUTTONS
======================================== */

.btn-outline {
    background: transparent;
    color: #fff;
    border: 1.5px solid rgba(255, 255, 255, 0.4);
    padding: 12px 30px;
    border-radius: 30px;
    font-weight: 600;
    font-size: 11px;
    text-decoration: none;
    display: inline-block;
    text-transform: uppercase;
    transition: all 0.3s ease;
    letter-spacing: 1px;
    white-space: nowrap;
}

.btn-outline:hover {
    background: rgba(255, 255, 255, 0.15);
    border-color: rgba(255, 255, 255, 0.7);
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.2);
}

.btn-primary {
    background: linear-gradient(135deg, #E31E24 0%, #b91820 100%);
    color: #fff;
    border: none;
    padding: 14px 35px;
    border-radius: 30px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    text-decoration: none;
    display: inline-block;
    font-size: 14px;
    letter-spacing: 0.5px;
    box-shadow: 0 4px 15px rgba(227, 30, 36, 0.3);
}

.btn-primary:hover {
    background: linear-gradient(135deg, #b91820 0%, #E31E24 100%);
    transform: translateY(-3px);
    box-shadow: 0 6px 25px rgba(227, 30, 36, 0.4);
}

.btn-secondary {
    background: transparent;
    color: #1a1a1a;
    border: 2px solid #1a1a1a;
    padding: 12px 35px;
    border-radius: 30px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    text-decoration: none;
    display: inline-block;
    font-size: 14px;
    letter-spacing: 0.5px;
}

.btn-secondary:hover {
    background: #1a1a1a;
    color: #fff;
    transform: translateY(-3px);
    box-shadow: 0 6px 20px rgba(0, 0, 0, 0.15);
}

/* ========================================
   HERO SECTION
======================================== */

.hero {
    background-image: url('../img/hero-main.png');
    background-size: cover;
    background-position: center right;
    background-repeat: no-repeat;
    color: #fff;
    padding: 180px 0 140px;
    position: relative;
    min-height: 85vh;
    display: flex;
    align-items: center;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(to right,
        rgba(0, 0, 0, 0.85) 0%,
        rgba(0, 0, 0, 0.6) 35%,
        rgba(0, 0, 0, 0.3) 55%,
        transparent 75%);
    z-index: 0;
}

.hero .container {
    display: flex;
    align-items: center;
    min-height: 500px;
    position: relative;
    z-index: 1;
}

.hero-content {
    max-width: 750px;
    z-index: 1;
    text-align: left;
    padding-left: 0;
    margin-left: 0;
}

.hero-text-wrapper {
    position: relative;
}

.hero-title-main {
    font-size: 56px;
    font-weight: 900;
    line-height: 1.1;
    margin-bottom: 40px;
    text-transform: uppercase;
    position: relative;
    letter-spacing: -1px;
    font-family: 'Arial Black', 'Impact', sans-serif;
    text-align: left;
}

.hero-title-line1,
.hero-title-line2,
.hero-title-line3 {
    font-size: 56px;
    font-weight: 900;
    display: block;
    font-family: 'Arial Black', 'Impact', sans-serif;
    line-height: 1.1;
    margin-bottom: 5px;
    text-align: left;
}

.hero-description {
    font-size: 17px;
    margin-bottom: 40px;
    max-width: 520px;
    line-height: 1.7;
    font-weight: 300;
    opacity: 0.95;
    letter-spacing: 0.3px;
    text-align: left;
}

/* ========================================
   INTRO SECTION
======================================== */

.intro {
    background: #fff;
    padding: 100px 0;
}

.intro-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 80px;
    align-items: center;
}

.intro-image-wrapper {
    background: transparent;
    border-radius: 0;
    padding: 0;
    box-shadow: none;
}

.intro-image {
    width: 100%;
    height: auto;
    object-fit: cover;
    border-radius: 0;
}

.intro-text {
    padding-left: 40px;
}

.intro-text h2 {
    font-size: 48px;
    color: #1a1a1a;
    font-weight: 700;
    line-height: 1.3;
    letter-spacing: -0.5px;
    text-transform: uppercase;
    margin-bottom: 60px;
}

/* ========================================
   BENEFITS GRID
======================================== */

.benefits {
    padding: 0;
    background: #fff;
}

.benefits .container {
    padding: 0;
}

.benefits-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 40px 60px;
    max-width: 100%;
    margin: 0;
}

.benefit-card {
    text-align: center;
    padding: 20px;
    transition: transform 0.3s ease;
}

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

.benefit-card img {
    width: 80px;
    height: 80px;
    margin: 0 auto 20px;
    opacity: 1;
}

.benefit-card h3 {
    font-size: 18px;
    color: #1a1a1a;
    font-weight: 700;
    line-height: 1.4;
    letter-spacing: -0.2px;
    text-transform: none;
}

/* ========================================
   SOLUTIONS SECTION
======================================== */

.solutions {
    padding: 100px 0;
    background: linear-gradient(135deg, #f8f9fa 0%, #ffffff 100%);
}

.section-title {
    font-size: 52px;
    color: #1a1a1a;
    text-align: center;
    margin-bottom: 80px;
    font-weight: 700;
    letter-spacing: -1px;
    text-transform: uppercase;
}

.solution-category {
    margin-bottom: 100px;
}

.solution-category:last-child {
    margin-bottom: 0;
}

.category-title {
    font-size: 36px;
    color: #E31E24;
    margin-bottom: 50px;
    font-weight: 700;
    letter-spacing: -0.5px;
    text-transform: uppercase;
}

.solutions-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(360px, 1fr));
    gap: 35px;
}

.solution-card {
    background: #fff;
    border-radius: 20px;
    overflow: hidden;
    box-shadow: 0 8px 30px rgba(0, 0, 0, 0.06);
    transition: all 0.4s ease;
    border: 1px solid rgba(0, 0, 0, 0.04);
    display: flex;
    flex-direction: column;
}

.solution-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 15px 45px rgba(0, 0, 0, 0.1);
}

.solution-card img {
    width: 100%;
    height: 220px;
    object-fit: cover;
    transition: transform 0.4s ease;
}

.solution-card:hover img {
    transform: scale(1.05);
}

.solution-content {
    padding: 30px;
    flex: 1;
    display: flex;
    flex-direction: column;
}

.solution-content h4 {
    font-size: 22px;
    color: #1a1a1a;
    margin-bottom: 18px;
    font-weight: 700;
    letter-spacing: -0.3px;
}

.solution-content p {
    color: #666;
    margin-bottom: 18px;
    line-height: 1.7;
    font-size: 15px;
    flex: 1;
}

.solution-link {
    color: #E31E24;
    text-decoration: none;
    font-weight: 600;
    transition: all 0.3s ease;
    font-size: 14px;
    letter-spacing: 0.3px;
    display: inline-block;
    margin-top: auto;
}

.solution-link:hover {
    color: #b91820;
    text-decoration: underline;
}

/* ========================================
   ABOUT SECTION
======================================== */

.about {
    background: linear-gradient(135deg, #003D5C 0%, #005A7A 100%);
    color: #fff;
    padding: 100px 0;
    text-align: center;
}

.about-content {
    max-width: 900px;
    margin: 0 auto;
}

.about h2 {
    font-size: 48px;
    margin-bottom: 20px;
    text-transform: uppercase;
    font-weight: 700;
}

.about h3 {
    font-size: 32px;
    margin-bottom: 20px;
    opacity: 0.9;
    font-weight: 400;
}

.about p {
    font-size: 20px;
    margin-bottom: 40px;
    opacity: 0.9;
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
}

/* ========================================
   CONTENT SECTION
======================================== */

.content-section {
    padding: 100px 0;
    background: #fff;
    text-align: center;
}

.content-section h2 {
    font-size: 48px;
    color: #1a1a1a;
    margin-bottom: 20px;
    text-transform: uppercase;
    font-weight: 700;
}

.content-intro {
    font-size: 20px;
    color: #666;
    max-width: 800px;
    margin: 0 auto 40px;
    line-height: 1.6;
}

.articles-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
    margin-top: 60px;
}

.article-card {
    background: #F5F5F5;
    border-radius: 15px;
    overflow: hidden;
    text-align: left;
    transition: all 0.3s ease;
    cursor: pointer;
}

.article-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
}

.article-card img {
    width: 100%;
    height: 200px;
    object-fit: cover;
}

.article-tag {
    display: inline-block;
    background: #E31E24;
    color: #fff;
    padding: 5px 15px;
    border-radius: 20px;
    font-size: 12px;
    margin: 20px 20px 10px;
    font-weight: 600;
    text-transform: uppercase;
}

.article-card h4 {
    padding: 0 20px 20px;
    color: #1a1a1a;
    font-size: 18px;
    line-height: 1.5;
    font-weight: 600;
}

/* ========================================
   FOOTER
======================================== */

.footer {
    background: #003D5C;
    color: #fff;
    padding: 60px 0 30px;
}

.footer-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 40px;
    margin-bottom: 40px;
}

.footer-col h4 {
    margin-bottom: 20px;
    font-size: 18px;
    font-weight: 700;
    text-transform: uppercase;
}

.footer-col p {
    margin-bottom: 15px;
    font-size: 14px;
    opacity: 0.8;
    line-height: 1.6;
}

.footer-col a {
    display: block;
    color: #fff;
    text-decoration: none;
    margin-bottom: 10px;
    opacity: 0.8;
    transition: all 0.3s ease;
    font-size: 14px;
}

.footer-col a:hover {
    opacity: 1;
    transform: translateX(3px);
}

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

@media (max-width: 1200px) {
    .container {
        padding: 0 30px;
    }

    .nav-menu {
        gap: 20px;
    }

    .nav-menu a {
        font-size: 10px;
    }
}

@media (max-width: 1024px) {
    .intro-content {
        grid-template-columns: 1fr;
        gap: 40px;
    }

    .intro-text {
        padding-left: 0;
        text-align: center;
    }

    .intro-text h2 {
        font-size: 36px;
    }

    .benefits-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 40px;
        padding: 0 40px;
    }

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

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

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

@media (max-width: 768px) {
    .container {
        padding: 0 20px;
    }

    .nav-menu {
        display: none;
    }

    .nav-buttons {
        gap: 8px;
    }

    .language-select {
        padding: 8px 12px;
        font-size: 10px;
    }

    .btn-outline {
        padding: 10px 20px;
        font-size: 10px;
    }

    .header {
        padding: 15px 0;
    }

    .logo {
        height: 28px;
    }

    .hero {
        padding: 150px 0 80px;
        min-height: 60vh;
        background-position: center;
    }

    .hero::before {
        background: linear-gradient(to bottom,
            rgba(0, 0, 0, 0.7) 0%,
            rgba(0, 0, 0, 0.5) 50%,
            rgba(0, 0, 0, 0.7) 100%);
    }

    .hero-title-line1,
    .hero-title-line2,
    .hero-title-line3 {
        font-size: 36px;
    }

    .hero-description {
        font-size: 16px;
    }

    .hero-content {
        padding-left: 0;
        margin-left: 0;
    }

    .intro {
        padding: 60px 0;
    }

    .intro-text h2 {
        font-size: 32px;
        margin-bottom: 40px;
    }

    .benefits-grid {
        grid-template-columns: 1fr;
        gap: 30px;
        padding: 0 20px;
    }

    .benefit-card img {
        width: 70px;
        height: 70px;
    }

    .benefit-card h3 {
        font-size: 16px;
    }

    .solutions {
        padding: 60px 0;
    }

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

    .solution-category {
        margin-bottom: 60px;
    }

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

    .footer-grid {
        grid-template-columns: 1fr;
        gap: 30px;
    }

    .section-title {
        font-size: 36px;
        margin-bottom: 50px;
    }

    .category-title {
        font-size: 28px;
        margin-bottom: 30px;
    }

    .about,
    .content-section {
        padding: 60px 0;
    }

    .about h2,
    .content-section h2 {
        font-size: 36px;
    }

    .about h3 {
        font-size: 24px;
    }

    .about p,
    .content-intro {
        font-size: 16px;
    }
}

@media (max-width: 480px) {
    .hero-title-line1,
    .hero-title-line2,
    .hero-title-line3 {
        font-size: 28px;
    }

    .intro-text h2 {
        font-size: 24px;
    }

    .section-title {
        font-size: 28px;
    }

    .category-title {
        font-size: 24px;
    }

    .benefit-card h3 {
        font-size: 15px;
    }

    .solution-content h4 {
        font-size: 20px;
    }
}

/* ========================================
   ANIMATIONS
======================================== */

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

.hero-content,
.intro-content,
.benefit-card,
.solution-card,
.article-card {
    animation: fadeInUp 0.6s ease-out;
}

/* ========================================
   UTILITY CLASSES
======================================== */

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

.mt-20 {
    margin-top: 20px;
}

.mb-20 {
    margin-bottom: 20px;
}

.pt-20 {
    padding-top: 20px;
}

.pb-20 {
    padding-bottom: 20px;
}