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

:root {
    --black: #0a0a0a;
    --dark: #1a1a1a;
    --charcoal: #2a2a2a;
    --silver: #b0b0b0;
    --silver-light: #d0d0d0;
    --white: #ffffff;
    --light: #f5f5f5;
    --gray: #8a8a8a;
    --accent: #c0c0c0;
    --tennis-yellow: #c8d82e;
    --tennis-glow: #d4e157;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Montserrat', sans-serif;
    color: var(--dark);
    line-height: 1.6;
    background: var(--white);
}

.container {
    max-width: 1100px;
    margin: 0 auto;
    padding: 0 20px;
}

/* Header */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 100;
    background: var(--white);
    box-shadow: 0 2px 20px rgba(0, 0, 0, 0.08);
}

.nav {
    max-width: 1100px;
    margin: 0 auto;
    padding: 0 20px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 70px;
}

.logo {
    display: flex;
    align-items: center;
    text-decoration: none;
}

.logo-img {
    height: 45px;
    width: auto;
    display: block;
}

.nav-links {
    display: flex;
    list-style: none;
    gap: 32px;
}

.nav-links a {
    text-decoration: none;
    color: var(--dark);
    font-weight: 600;
    font-size: 0.9rem;
    transition: color 0.2s;
    letter-spacing: 0.5px;
    text-transform: uppercase;
}

.nav-links a:hover {
    color: var(--silver);
}

.nav-phone {
    text-decoration: none;
    color: var(--dark);
    font-weight: 700;
    font-size: 0.9rem;
    letter-spacing: 0.5px;
    transition: color 0.2s;
}

.nav-phone:hover {
    color: var(--silver);
}

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

.nav-toggle span {
    width: 24px;
    height: 2px;
    background: var(--dark);
    transition: 0.3s;
}

/* Hero */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    background: linear-gradient(160deg, #0a1a0f 0%, #0f3d22 40%, #1b5e3b 70%, #0f2618 100%);
    color: var(--white);
    padding: 100px 20px;
    padding-bottom: 160px;
    position: relative;
    overflow: hidden;
}

.hero-bg {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0.15;
    pointer-events: none;
}

.hero-bg-logo {
    width: 90%;
    max-width: 900px;
    height: auto;
    object-fit: contain;
}

.hero-content {
    position: relative;
    z-index: 1;
}

.hero-tag {
    font-size: 0.85rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 4px;
    color: var(--tennis-yellow);
    margin-bottom: 40px;
}

.hero-title {
    font-size: clamp(2.8rem, 6vw, 5rem);
    font-weight: 800;
    line-height: 1;
    letter-spacing: -1px;
    text-transform: uppercase;
    margin-bottom: 24px;
    color: var(--white);
}

.hero-sub {
    font-size: clamp(1rem, 2.5vw, 1.2rem);
    margin-top: 40px;
    margin-bottom: 40px;
    font-weight: 400;
    line-height: 1.7;
    color: var(--silver-light);
}

.hero-buttons {
    display: flex;
    gap: 16px;
    justify-content: center;
    flex-wrap: wrap;
    margin-top: 20px;
}

.btn {
    display: inline-block;
    padding: 14px 40px;
    background: var(--tennis-yellow);
    color: var(--black);
    text-decoration: none;
    font-weight: 700;
    font-size: 1rem;
    border-radius: 50px;
    border: none;
    cursor: pointer;
    transition: transform 0.2s, box-shadow 0.2s;
    letter-spacing: 0.5px;
}

.btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(200, 216, 46, 0.25);
}

.btn-outline {
    background: transparent;
    color: var(--white);
    border: 2px solid rgba(255, 255, 255, 0.3);
}

.btn-outline:hover {
    border-color: var(--tennis-yellow);
    color: var(--tennis-yellow);
    background: rgba(200, 216, 46, 0.05);
}

/* Sections */
.section {
    padding: 100px 0;
}

.section h2 {
    text-align: center;
    font-size: 2.2rem;
    font-weight: 800;
    color: var(--tennis-yellow);
    margin-bottom: 24px;
    letter-spacing: -0.5px;
    text-transform: uppercase;
}

.section-intro {
    text-align: center;
    max-width: 700px;
    margin: 0 auto 60px;
    color: var(--gray);
    font-size: 1.05rem;
    line-height: 1.8;
}

/* About */
.about {
    background: var(--white);
}

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

.about-card {
    text-align: center;
    padding: 40px 24px;
    border-radius: 16px;
    background: var(--light);
    transition: transform 0.2s;
    border: 1px solid #eee;
}

.about-card:hover {
    transform: translateY(-4px);
}

.about-icon {
    margin-bottom: 20px;
    color: var(--black);
}

.about-icon svg {
    width: 48px;
    height: 48px;
}

.about-card h3 {
    font-size: 1.1rem;
    margin-bottom: 12px;
    color: var(--tennis-yellow);
}

.about-card p {
    color: var(--gray);
    font-size: 0.95rem;
}

/* Coaches */
.coaches {
    background: var(--black);
    color: var(--white);
}

.coaches h2 {
    color: var(--white);
}

.coaches .section-intro {
    color: var(--silver);
}

.coaches-grid {
    display: flex;
    flex-direction: column;
    gap: 50px;
}

.coach-card {
    display: flex;
    gap: 40px;
    align-items: flex-start;
    background: var(--dark);
    border-radius: 20px;
    padding: 40px;
    border: 1px solid var(--charcoal);
    transition: transform 0.2s;
}

.coach-card:hover {
    transform: translateY(-4px);
}

.coach-photo {
    flex-shrink: 0;
    width: 250px;
    border-radius: 16px;
    overflow: hidden;
    border: 2px solid var(--charcoal);
}

.coach-photo img {
    width: 100%;
    height: auto;
    display: block;
    filter: grayscale(20%);
    transition: filter 0.3s;
}

.coach-card:hover .coach-photo img {
    filter: grayscale(0%);
}

.coach-info {
    flex: 1;
}

.coach-role {
    display: inline-block;
    background: var(--tennis-yellow);
    color: var(--black);
    padding: 4px 16px;
    border-radius: 20px;
    font-size: 0.75rem;
    font-weight: 700;
    margin-bottom: 12px;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.coach-info h3 {
    font-size: 1.6rem;
    font-weight: 800;
    margin-bottom: 12px;
    color: var(--white);
}

.coach-info > p {
    color: var(--silver);
    font-size: 1rem;
    line-height: 1.7;
    margin-bottom: 20px;
}

.coach-highlights {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.coach-highlights li {
    position: relative;
    padding-left: 20px;
    color: var(--silver-light);
    font-size: 0.9rem;
    line-height: 1.6;
}

.coach-highlights li::before {
    content: '—';
    position: absolute;
    left: 0;
    color: var(--silver);
}

.coach-highlights li strong {
    color: var(--white);
}

/* Programs */
.programs {
    background: var(--light);
}

.programs h2 {
    margin-bottom: 60px;
}

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

.program-card {
    background: var(--white);
    border-radius: 16px;
    padding: 40px 30px;
    transition: transform 0.2s, box-shadow 0.2s;
    border: 1px solid #eee;
}

.program-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 12px 40px rgba(0, 0, 0, 0.08);
}

.program-card.featured {
    border: 2px solid var(--black);
}

.program-age {
    display: inline-block;
    background: var(--black);
    color: var(--white);
    padding: 4px 14px;
    border-radius: 20px;
    font-size: 0.8rem;
    font-weight: 700;
    margin-bottom: 16px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.program-card h3 {
    font-size: 1.3rem;
    margin-bottom: 12px;
    color: var(--tennis-yellow);
}

.program-card p {
    color: var(--gray);
    font-size: 0.95rem;
    margin-bottom: 20px;
}

.program-card ul {
    list-style: none;
}

.program-card ul li {
    padding: 6px 0;
    font-size: 0.9rem;
    color: var(--dark);
    border-bottom: 1px solid var(--light);
}

.program-card ul li:last-child {
    border-bottom: none;
}

/* Why Us */
.why-us {
    background: var(--white);
}

.why-us h2 {
    margin-bottom: 60px;
}

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

.feature {
    padding: 32px;
    border-radius: 16px;
    background: var(--light);
    transition: transform 0.2s;
    border: 1px solid #eee;
}

.feature:hover {
    transform: translateY(-4px);
}

.feature-num {
    display: inline-block;
    font-size: 0.8rem;
    font-weight: 800;
    color: var(--tennis-yellow);
    margin-bottom: 12px;
    letter-spacing: 1px;
}

.feature h3 {
    font-size: 1.15rem;
    color: var(--tennis-yellow);
    margin-bottom: 8px;
}

.feature p {
    color: var(--gray);
    font-size: 0.95rem;
}

/* Contact */
.contact {
    background: var(--light);
}

.contact h2 {
    margin-bottom: 60px;
}

.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: start;
}

.contact-form {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.contact-form input,
.contact-form select,
.contact-form textarea {
    padding: 14px 18px;
    border: 2px solid #e0e0e0;
    border-radius: 10px;
    font-family: inherit;
    font-size: 0.95rem;
    transition: border-color 0.2s;
    background: var(--white);
}

.contact-form input:focus,
.contact-form select:focus,
.contact-form textarea:focus {
    outline: none;
    border-color: var(--black);
}

.contact-form .btn {
    align-self: flex-start;
    background: var(--tennis-yellow);
    color: var(--black);
}

.contact-form .btn:hover {
    box-shadow: 0 8px 25px rgba(200, 216, 46, 0.3);
}

.contact-info {
    display: flex;
    flex-direction: column;
    gap: 28px;
}

.contact-item strong {
    display: block;
    font-size: 0.85rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    color: var(--black);
    margin-bottom: 4px;
}

.contact-item a {
    color: var(--dark);
    text-decoration: none;
}

.contact-item a:hover {
    color: var(--silver);
}

/* Footer */
.footer {
    background: var(--black);
    color: rgba(255, 255, 255, 0.6);
    padding: 40px 0;
    font-size: 0.9rem;
}

.footer-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.footer-logo {
    height: 40px;
    width: auto;
    opacity: 0.6;
    transition: opacity 0.3s;
}

.footer-logo:hover {
    opacity: 0.9;
}

.footer-ig {
    color: rgba(255, 255, 255, 0.6);
    text-decoration: none;
    font-weight: 600;
    transition: color 0.2s;
}

.footer-ig:hover {
    color: var(--white);
}

/* Mobile */
@media (max-width: 768px) {
    .nav-phone {
        display: none;
    }

    .nav-toggle {
        display: flex;
    }

    .nav-links {
        display: none;
        position: absolute;
        top: 70px;
        left: 0;
        right: 0;
        background: var(--white);
        flex-direction: column;
        padding: 20px;
        gap: 16px;
        box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
    }

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

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

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

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

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

    .section {
        padding: 60px 0;
    }

    .section h2 {
        font-size: 1.8rem;
    }

    .footer-inner {
        flex-direction: column;
        gap: 12px;
        text-align: center;
    }

    /* Coaches mobile */
    .coach-card {
        flex-direction: column;
        align-items: center;
        text-align: center;
        padding: 30px 20px;
    }

    .coach-photo {
        width: 200px;
    }

    .coach-highlights li {
        text-align: left;
    }

    .hero-title {
        font-size: 2.5rem;
        letter-spacing: -1px;
    }

    .hero {
        padding-bottom: 100px;
    }

    .hero-sub {
        margin-top: 40px;
    }
}