/* Reset and Base Styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

:root {
    --primary-blue: #0066cc;
    --light-blue: #3399ff;
    --dark-blue: #004999;
    --accent-blue: #00aaff;
    --text-dark: #1a1a1a;
    --text-light: #555;
    --white: #ffffff;
    --light-gray: #f8f9fa;
    --border-gray: #e8e8e8;
    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.08);
    --shadow-md: 0 4px 20px rgba(0, 102, 204, 0.15);
    --shadow-lg: 0 8px 30px rgba(0, 102, 204, 0.2);
}

body {
    font-family: 'Segoe UI', -apple-system, BlinkMacSystemFont, 'Roboto', 'Helvetica Neue', Arial, sans-serif;
    line-height: 1.7;
    color: var(--text-dark);
    overflow-x: hidden;
    background: var(--white);
    animation: fadeIn 0.6s ease-in;
}

@keyframes fadeIn {
    from {
        opacity: 0;
    }
    to {
        opacity: 1;
    }
}

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

/* Navigation */
.navbar {
    background: var(--white);
    box-shadow: var(--shadow-sm);
    position: sticky;
    top: 0;
    z-index: 1000;
    padding: 15px 0;
    backdrop-filter: blur(10px);
    transition: all 0.3s ease;
    border-bottom: 1px solid transparent;
}

.nav-wrapper {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 40px;
}

.logo {
    display: flex;
    align-items: center;
    gap: 10px;
    cursor: pointer;
}

.logo-img {
    height: 70px;
    width: auto;
    object-fit: contain;
    transition: transform 0.3s ease;
}

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

.nav-menu {
    display: flex;
    list-style: none;
    gap: 45px;
    align-items: center;
    flex: 1;
    justify-content: center;
}

.nav-menu li {
    position: relative;
}

.nav-menu li:hover {
    transform: translateY(-2px);
    transition: transform 0.3s ease;
}

.nav-menu a {
    text-decoration: none;
    color: var(--text-dark);
    font-weight: 600;
    font-size: 15px;
    transition: all 0.3s ease;
    position: relative;
    padding: 8px 0;
    letter-spacing: 0.3px;
}

.nav-menu a::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 0;
    height: 3px;
    background: linear-gradient(90deg, var(--light-blue), var(--accent-blue));
    border-radius: 10px;
    transition: width 0.3s ease;
}

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

.nav-menu a:hover,
.nav-menu a.active {
    color: var(--primary-blue);
}

.language-switcher {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 8px 20px;
    background: var(--light-gray);
    border-radius: 50px;
    border: 2px solid transparent;
    transition: all 0.3s ease;
}

.language-switcher:hover {
    background: var(--white);
    border-color: var(--border-gray);
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
}

.lang-link {
    padding: 6px 14px !important;
    font-size: 14px !important;
    font-weight: 700 !important;
    border-radius: 20px;
    transition: all 0.3s ease !important;
    letter-spacing: 0.5px;
}

.lang-link.active {
    background: linear-gradient(135deg, var(--primary-blue), var(--light-blue));
    color: var(--white) !important;
    box-shadow: 0 2px 8px rgba(0, 102, 204, 0.3);
}

.lang-link:not(.active):hover {
    background: var(--light-gray);
}

.lang-link::after {
    display: none !important;
}

.lang-separator {
    color: var(--text-light);
    font-weight: 400;
    font-size: 14px;
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary-blue) 0%, var(--light-blue) 100%);
    color: var(--white);
    border: none;
    padding: 14px 35px;
    border-radius: 50px;
    cursor: pointer;
    font-size: 16px;
    font-weight: 600;
    transition: all 0.3s ease;
    box-shadow: 0 4px 15px rgba(0, 102, 204, 0.3);
    letter-spacing: 0.5px;
}

.btn-primary:hover {
    background: linear-gradient(135deg, var(--dark-blue) 0%, var(--primary-blue) 100%);
    transform: translateY(-3px);
    box-shadow: 0 6px 25px rgba(0, 102, 204, 0.4);
}

.btn-secondary {
    background: transparent;
    color: var(--white);
    border: 2px solid var(--white);
    padding: 14px 35px;
    border-radius: 50px;
    cursor: pointer;
    font-size: 16px;
    font-weight: 600;
    transition: all 0.3s ease;
    letter-spacing: 0.5px;
}

.btn-secondary:hover {
    background: var(--white);
    color: var(--primary-blue);
    transform: translateY(-3px);
    box-shadow: 0 6px 25px rgba(255, 255, 255, 0.3);
}

.hamburger {
    display: none;
    flex-direction: column;
    cursor: pointer;
    gap: 6px;
    padding: 8px;
    border-radius: 8px;
    transition: all 0.3s ease;
}

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

.hamburger span {
    width: 28px;
    height: 3px;
    background: var(--primary-blue);
    border-radius: 3px;
    transition: 0.3s;
}

.hamburger.active span:nth-child(1) {
    transform: rotate(45deg) translate(8px, 8px);
}

.hamburger.active span:nth-child(2) {
    opacity: 0;
}

.hamburger.active span:nth-child(3) {
    transform: rotate(-45deg) translate(8px, -8px);
}

/* Hero Section */
.hero {
    background: linear-gradient(135deg, rgba(0, 102, 204, 0.85) 0%, rgba(0, 73, 153, 0.9) 100%), url('images/hero-bg.jpg');
    background-size: cover;
    background-position: center;
    background-attachment: fixed;
    padding: 140px 0;
    position: relative;
    min-height: 85vh;
    display: flex;
    align-items: center;
}

.hero-content {
    display: flex;
    justify-content: center;
    align-items: center;
    text-align: center;
}

.hero-text {
    max-width: 800px;
}

.hero-text h1 {
    font-size: 64px;
    margin-bottom: 20px;
    line-height: 1.1;
    color: var(--white);
    text-shadow: 2px 4px 8px rgba(0, 0, 0, 0.4);
    font-weight: 800;
    letter-spacing: -1px;
}

.hero-big {
    color: var(--white);
    font-weight: bold;
}

.hero-coach {
    color: var(--white);
    font-weight: bold;
}

.hero-text h2 {
    color: var(--white);
    font-size: 32px;
    margin-bottom: 25px;
    font-weight: 400;
    text-shadow: 2px 2px 6px rgba(0, 0, 0, 0.4);
    letter-spacing: 0.5px;
}

.hero-text p {
    color: rgba(255, 255, 255, 0.98);
    margin-bottom: 18px;
    font-size: 19px;
    line-height: 1.9;
    text-shadow: 1px 2px 4px rgba(0, 0, 0, 0.5);
    font-weight: 300;
}

.thai-text {
    color: rgba(255, 255, 255, 0.95);
    font-size: 16px;
    text-shadow: 1px 1px 3px rgba(0, 0, 0, 0.5);
}

/* About Us Section */
.about-section {
    padding: 100px 0;
    background: linear-gradient(180deg, var(--white) 0%, var(--light-gray) 100%);
    position: relative;
}

.about-container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
    margin-top: 20px;
}

.about-image {
    position: relative;
    border-radius: 20px;
    overflow: hidden;
    box-shadow: var(--shadow-lg);
    height: 500px;
    background: linear-gradient(135deg, var(--light-blue) 0%, var(--primary-blue) 100%);
}

.about-img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s ease;
}

.about-image:hover .about-img {
    transform: scale(1.05);
}

.about-content-box {
    padding: 20px 0;
}

.about-content-box h3 {
    font-size: 32px;
    color: var(--text-dark);
    margin-bottom: 25px;
    font-weight: 700;
    line-height: 1.3;
    letter-spacing: -0.5px;
}

.about-content-box p {
    font-size: 16px;
    color: var(--text-light);
    line-height: 1.9;
    margin-bottom: 20px;
    font-weight: 400;
}

.highlight-text {
    font-size: 18px !important;
    color: var(--text-dark) !important;
    font-weight: 500 !important;
    line-height: 1.8 !important;
    margin-bottom: 25px !important;
}

.about-features {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
    margin-top: 35px;
}

.about-feature-item {
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 16px;
    color: var(--text-dark);
    font-weight: 600;
    padding: 15px 20px;
    background: var(--white);
    border-radius: 12px;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.06);
    transition: all 0.3s ease;
}

.about-feature-item:hover {
    transform: translateX(5px);
    box-shadow: 0 4px 15px rgba(0, 102, 204, 0.15);
}

.about-feature-item i {
    color: var(--primary-blue);
    font-size: 20px;
}

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

.about-content p {
    font-size: 18px;
    color: var(--text-light);
    line-height: 1.9;
    margin-bottom: 20px;
    font-weight: 400;
}


/* Services Section */
.services {
    padding: 100px 0;
    background: linear-gradient(180deg, var(--white) 0%, var(--light-gray) 100%);
}

.section-title {
    text-align: center;
    font-size: 42px;
    margin-bottom: 60px;
    color: var(--text-dark);
    position: relative;
    padding-bottom: 20px;
    font-weight: 700;
    letter-spacing: -0.5px;
    animation: fadeInUp 0.8s ease;
}

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

.section-title::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 100px;
    height: 5px;
    background: linear-gradient(90deg, var(--light-blue) 0%, var(--primary-blue) 50%, var(--light-blue) 100%);
    border-radius: 10px;
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 35px;
    margin-top: 20px;
}

.service-card {
    background: var(--white);
    padding: 45px 35px;
    border-radius: 20px;
    text-align: center;
    box-shadow: var(--shadow-sm);
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    border: 1px solid var(--border-gray);
    position: relative;
    overflow: hidden;
}

.service-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 4px;
    background: linear-gradient(90deg, var(--light-blue), var(--accent-blue));
    transform: scaleX(0);
    transition: transform 0.4s ease;
}

.service-card:hover {
    transform: translateY(-12px);
    box-shadow: var(--shadow-lg);
    border-color: var(--light-blue);
}

.service-card:hover::before {
    transform: scaleX(1);
}

.service-card i {
    font-size: 56px;
    background: linear-gradient(135deg, var(--primary-blue), var(--accent-blue));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 25px;
    display: inline-block;
    transition: transform 0.4s ease;
}

.service-card:hover i {
    transform: scale(1.1) rotateY(360deg);
}

.service-card h3 {
    font-size: 21px;
    margin-bottom: 15px;
    color: var(--text-dark);
    font-weight: 700;
    letter-spacing: 0.3px;
}

.service-card p {
    color: var(--text-light);
    font-size: 15px;
    line-height: 1.7;
    font-weight: 400;
}

/* Quotation Section */
.quotation {
    padding: 100px 0;
    background: linear-gradient(135deg, #f0f7ff 0%, #e6f2ff 100%);
    position: relative;
    overflow: hidden;
}

.quotation::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -10%;
    width: 500px;
    height: 500px;
    background: radial-gradient(circle, rgba(0, 102, 204, 0.08) 0%, transparent 70%);
    border-radius: 50%;
}

.quotation-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: start;
    position: relative;
    z-index: 1;
}

.quotation-text h3 {
    font-size: 32px;
    color: var(--text-dark);
    margin-bottom: 20px;
    font-weight: 700;
    line-height: 1.3;
}

.quotation-text p {
    font-size: 17px;
    color: var(--text-light);
    line-height: 1.8;
    margin-bottom: 30px;
}

.quotation-features {
    display: grid;
    grid-template-columns: 1fr;
    gap: 15px;
}

.feature-item {
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 16px;
    color: var(--text-dark);
    font-weight: 500;
}

.feature-item i {
    color: var(--primary-blue);
    font-size: 20px;
}

.quotation-form-box {
    background: var(--white);
    padding: 40px;
    border-radius: 20px;
    box-shadow: var(--shadow-lg);
    border: 1px solid rgba(0, 102, 204, 0.1);
}

.quote-form .form-row {
    margin-bottom: 20px;
}

.quote-form input,
.quote-form select,
.quote-form textarea {
    width: 100%;
    padding: 16px 20px;
    border: 2px solid var(--border-gray);
    border-radius: 12px;
    font-size: 15px;
    font-family: inherit;
    transition: all 0.3s ease;
    background: var(--light-gray);
}

.quote-form input:focus,
.quote-form select:focus,
.quote-form textarea:focus {
    outline: none;
    border-color: var(--primary-blue);
    background: var(--white);
    box-shadow: 0 0 0 3px rgba(0, 102, 204, 0.1);
}

.quote-form select {
    cursor: pointer;
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%23333' d='M6 9L1 4h10z'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 20px center;
    padding-right: 45px;
}

.quote-form textarea {
    resize: vertical;
    min-height: 100px;
}

.quote-form button {
    width: 100%;
    margin-top: 10px;
}

/* Why Choose Us */
.why-choose {
    padding: 100px 0;
    background: var(--white);
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: 45px;
    margin-top: 20px;
}

.feature-card {
    text-align: center;
    padding: 40px 30px;
    background: var(--white);
    border-radius: 15px;
    transition: all 0.3s ease;
}

.feature-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-md);
}

.feature-card i {
    font-size: 64px;
    background: linear-gradient(135deg, var(--primary-blue), var(--accent-blue));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 25px;
    display: inline-block;
    transition: transform 0.3s ease;
}

.feature-card:hover i {
    transform: scale(1.15);
}

.feature-card h3 {
    font-size: 22px;
    margin-bottom: 15px;
    color: var(--text-dark);
    font-weight: 700;
}

.feature-card p {
    color: var(--text-light);
    font-size: 15px;
    line-height: 1.6;
}

/* Contact Section */
.contact {
    padding: 90px 0;
    background: linear-gradient(135deg, var(--dark-blue) 0%, var(--primary-blue) 100%);
    color: var(--white);
    position: relative;
}

.contact .section-title {
    color: var(--white);
}

.contact .section-title::after {
    background: var(--white);
}

.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 70px;
    position: relative;
    z-index: 1;
}

.contact-info {
    display: flex;
    flex-direction: column;
    gap: 35px;
    position: relative;
    z-index: 1;
}

.contact-item {
    display: flex;
    gap: 20px;
    align-items: flex-start;
    transition: all 0.3s ease;
}

.contact-item:hover {
    transform: translateX(5px);
}

.contact-item i {
    font-size: 32px;
    color: var(--white);
    opacity: 0.95;
    flex-shrink: 0;
    transition: all 0.3s ease;
}

.contact-item:hover i {
    transform: scale(1.1);
}

.contact-item h4 {
    font-size: 17px;
    margin-bottom: 8px;
    font-weight: 700;
    letter-spacing: 0.5px;
}\n\n.contact-item p {
    font-size: 15px;
    line-height: 1.8;
    opacity: 0.95;
    font-weight: 300;
}

.contact-form {
    background: var(--white);
    padding: 45px;
    border-radius: 20px;
    box-shadow: var(--shadow-lg);
    position: relative;
    z-index: 1;
}

.contact-form h3 {
    font-size: 28px;
    margin-bottom: 30px;
    color: var(--text-dark);
    font-weight: 700;
}

.contact-form input,
.contact-form textarea {
    width: 100%;
    padding: 16px 20px;
    margin-bottom: 20px;
    border: 2px solid var(--border-gray);
    border-radius: 12px;
    font-size: 15px;
    font-family: inherit;
    transition: all 0.3s ease;
    background: var(--light-gray);
}

.contact-form input:focus,
.contact-form textarea:focus {
    outline: none;
    border-color: var(--primary-blue);
    background: var(--white);
    box-shadow: 0 0 0 3px rgba(0, 102, 204, 0.1);
}

.contact-form textarea {
    resize: vertical;
}

/* Footer */
footer {
    background: #002244;
    color: var(--white);
    text-align: center;
    padding: 35px 0;
    border-top: 3px solid var(--primary-blue);
}

footer p {
    font-size: 14px;
    opacity: 0.9;
    font-weight: 300;
    letter-spacing: 0.5px;
}

/* Responsive Design */
@media (max-width: 968px) {
    .nav-menu {
        display: none;
        position: absolute;
        top: 85px;
        left: 0;
        width: 100%;
        background: var(--white);
        flex-direction: column;
        padding: 30px 20px;
        box-shadow: 0 8px 20px rgba(0, 0, 0, 0.12);
        gap: 0;
        border-radius: 0 0 15px 15px;
    }

    .nav-menu li {
        width: 100%;
        text-align: center;
        padding: 15px 0;
        border-bottom: 1px solid var(--border-gray);
    }

    .nav-menu li:last-child {
        border-bottom: none;
    }

    .nav-menu.active {
        display: flex;
    }

    .hamburger {
        display: flex;
    }

    .language-switcher {
        border: none;
        background: transparent;
        padding: 15px 0;
        justify-content: center;
        margin-top: 10px;
    }

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

    .hero-text h1 {
        font-size: 36px;
    }

    .quotation-content {
        grid-template-columns: 1fr;
        gap: 40px;
    }

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

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

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

@media (max-width: 576px) {
    .hero {
        padding: 80px 0;
    }

    .hero-text h1 {
        font-size: 32px;
    }

    .hero-text h2 {
        font-size: 20px;
    }

    .hero-text p {
        font-size: 16px;
    }

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

    .services,
    .why-choose {
        padding: 60px 0;
    }

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

    .about-container {
        grid-template-columns: 1fr;
        gap: 40px;
    }

    .about-image {
        height: 350px;
    }

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

    .about-features {
        grid-template-columns: 1fr;
        gap: 15px;
    }

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

    .quotation {
        padding: 60px 0;
    }

    .quotation-text h3 {
        font-size: 24px;
    }

    .quotation-form-box {
        padding: 30px 20px;
    }

    .service-card,
    .feature-card {
        padding: 30px 20px;
    }
}