/* ============================================
   FORGE — Fitness Studio
   Dark, bold, energetic
   ============================================ */

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

:root {
    --black: #0a0a0a;
    --dark: #111111;
    --dark-2: #161616;
    --dark-3: #1e1e1e;
    --gray: #888888;
    --light: #f2f2f2;
    --lime: #c8ff00;
    --lime-dark: #a8d600;
    --lime-glow: rgba(200, 255, 0, 0.12);
    --font: 'Inter', sans-serif;
}

html { scroll-behavior: smooth; }

body {
    font-family: var(--font);
    background: var(--black);
    color: var(--light);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
    overflow-x: hidden;
}

body.no-scroll { overflow: hidden; }

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
}

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

.reveal, .anim {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.7s ease, transform 0.7s ease;
}

.visible {
    opacity: 1;
    transform: translateY(0);
}

/* ============================================
   TYPOGRAPHY
   ============================================ */

.section-tag {
    display: inline-block;
    font-size: 12px;
    font-weight: 700;
    letter-spacing: 0.2em;
    text-transform: uppercase;
    color: var(--lime);
    margin-bottom: 12px;
}

.section-title {
    font-size: clamp(32px, 4.5vw, 52px);
    font-weight: 800;
    letter-spacing: -0.02em;
    text-transform: uppercase;
    line-height: 1.05;
    margin-bottom: 16px;
}

.section-desc {
    font-size: 16px;
    color: var(--gray);
    font-weight: 400;
    max-width: 520px;
    margin: 0 auto;
}

.section-header {
    text-align: center;
    margin-bottom: 64px;
}

/* ============================================
   HEADER
   ============================================ */

.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    padding: 18px 0;
    transition: background 0.4s, padding 0.4s, box-shadow 0.4s;
}

.header--solid {
    background: rgba(10, 10, 10, 0.95);
    backdrop-filter: blur(12px);
    padding: 12px 0;
    box-shadow: 0 2px 30px rgba(0, 0, 0, 0.5);
}

.header__inner {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.header__logo {
    font-size: 24px;
    font-weight: 900;
    letter-spacing: 0.15em;
    color: var(--light);
    text-decoration: none;
    text-transform: uppercase;
}

.header__nav {
    display: flex;
    gap: 28px;
}

.header__link {
    font-size: 13px;
    font-weight: 500;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: var(--gray);
    text-decoration: none;
    transition: color 0.3s;
}

.header__link:hover { color: var(--light); }

.header__cta {
    font-size: 13px;
    font-weight: 700;
    letter-spacing: 0.06em;
    text-transform: uppercase;
    color: var(--black);
    background: var(--lime);
    padding: 10px 24px;
    border-radius: 4px;
    text-decoration: none;
    transition: background 0.3s, transform 0.2s;
}

.header__cta:hover {
    background: var(--lime-dark);
    transform: translateY(-1px);
}

/* Burger */
.burger {
    display: none;
    flex-direction: column;
    justify-content: center;
    gap: 5px;
    width: 32px;
    height: 32px;
    background: none;
    border: none;
    cursor: pointer;
    z-index: 1001;
}

.burger span {
    display: block;
    width: 24px;
    height: 2px;
    background: var(--light);
    transition: all 0.3s;
}

.burger--active span:nth-child(1) { transform: rotate(45deg) translate(5px, 5px); }
.burger--active span:nth-child(2) { opacity: 0; }
.burger--active span:nth-child(3) { transform: rotate(-45deg) translate(5px, -5px); }

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

.btn {
    display: inline-block;
    font-family: var(--font);
    font-size: 14px;
    font-weight: 700;
    letter-spacing: 0.06em;
    text-transform: uppercase;
    text-decoration: none;
    padding: 16px 36px;
    border-radius: 4px;
    transition: all 0.3s;
    cursor: pointer;
    border: none;
}

.btn--lime {
    background: var(--lime);
    color: var(--black);
}

.btn--lime:hover {
    background: var(--lime-dark);
    transform: translateY(-2px);
    box-shadow: 0 8px 30px var(--lime-glow);
}

.btn--ghost {
    background: transparent;
    color: var(--light);
    border: 1.5px solid rgba(242, 242, 242, 0.25);
}

.btn--ghost:hover {
    border-color: var(--light);
    background: rgba(242, 242, 242, 0.05);
}

.btn--outline-dark {
    background: transparent;
    color: var(--light);
    border: 1.5px solid rgba(242, 242, 242, 0.2);
    width: 100%;
    text-align: center;
}

.btn--outline-dark:hover {
    border-color: var(--lime);
    color: var(--lime);
}

.btn--full {
    width: 100%;
    text-align: center;
}

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

.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    justify-content: center;
    overflow: hidden;
}

.hero__bg {
    position: absolute;
    inset: 0;
}

.hero__bg img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    filter: brightness(0.3) saturate(0.7);
}

.hero__overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(180deg, rgba(10,10,10,0.4) 0%, rgba(10,10,10,0.2) 50%, rgba(10,10,10,0.85) 100%);
}

.hero__content {
    position: relative;
    z-index: 2;
    max-width: 700px;
    padding: 0 24px;
    margin: 0 auto;
    text-align: center;
    padding-bottom: 80px;
}

.hero__title {
    font-size: clamp(40px, 8vw, 80px);
    font-weight: 900;
    letter-spacing: -0.02em;
    text-transform: uppercase;
    line-height: 1;
    margin-bottom: 20px;
}

.hero__title span { color: var(--lime); }

.hero__subtitle {
    font-size: clamp(15px, 2vw, 18px);
    font-weight: 300;
    color: var(--gray);
    margin-bottom: 36px;
    line-height: 1.7;
}

.hero__actions {
    display: flex;
    gap: 16px;
    justify-content: center;
    flex-wrap: wrap;
}

.hero__stats {
    position: relative;
    z-index: 2;
    background: rgba(22, 22, 22, 0.8);
    backdrop-filter: blur(12px);
    border-top: 1px solid rgba(200, 255, 0, 0.1);
    padding: 28px 0;
    margin-top: auto;
}

.hero__stat {
    display: inline-flex;
    align-items: baseline;
    gap: 8px;
}

.hero__stats {
    display: flex;
    justify-content: center;
    gap: 48px;
    flex-wrap: wrap;
    padding: 28px 24px;
}

.hero__stat-num {
    font-size: 28px;
    font-weight: 800;
    color: var(--lime);
    letter-spacing: -0.02em;
}

.hero__stat-label {
    font-size: 13px;
    color: var(--gray);
    font-weight: 400;
}

/* ============================================
   PROGRAMS
   ============================================ */

.programs {
    padding: 120px 0;
    background: var(--dark);
}

.programs__grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 24px;
}

.program-card {
    background: var(--dark-2);
    border: 1px solid rgba(242, 242, 242, 0.05);
    border-radius: 8px;
    overflow: hidden;
    transition: border-color 0.4s, transform 0.4s;
}

.program-card:hover {
    border-color: var(--lime);
    transform: translateY(-4px);
}

.program-card__image {
    position: relative;
    overflow: hidden;
    aspect-ratio: 16/10;
}

.program-card__image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    filter: brightness(0.8);
    transition: transform 0.5s, filter 0.5s;
}

.program-card:hover .program-card__image img {
    transform: scale(1.04);
    filter: brightness(1);
}

.program-card__badge {
    position: absolute;
    top: 12px;
    left: 12px;
    font-size: 11px;
    font-weight: 700;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--black);
    background: var(--lime);
    padding: 6px 12px;
    border-radius: 3px;
}

.program-card__body { padding: 28px; }

.program-card__title {
    font-size: 20px;
    font-weight: 800;
    text-transform: uppercase;
    letter-spacing: 0.02em;
    margin-bottom: 8px;
}

.program-card__text {
    font-size: 14px;
    color: var(--gray);
    line-height: 1.7;
    margin-bottom: 16px;
}

.program-card__meta {
    display: flex;
    gap: 16px;
}

.program-card__meta span {
    font-size: 12px;
    font-weight: 600;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--lime);
    padding: 4px 10px;
    border: 1px solid rgba(200, 255, 0, 0.2);
    border-radius: 3px;
}

/* ============================================
   TRAINERS
   ============================================ */

.trainers {
    padding: 120px 0;
    background: var(--black);
}

.trainers__grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 28px;
}

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

.trainer-card__photo {
    overflow: hidden;
    border-radius: 8px;
    margin-bottom: 20px;
    aspect-ratio: 4/5;
}

.trainer-card__photo img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    filter: grayscale(0.6);
    transition: filter 0.5s, transform 0.5s;
}

.trainer-card:hover .trainer-card__photo img {
    filter: grayscale(0);
    transform: scale(1.03);
}

.trainer-card__name {
    font-size: 18px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.04em;
    margin-bottom: 4px;
}

.trainer-card__role {
    font-size: 14px;
    color: var(--gray);
}

/* ============================================
   PRICING
   ============================================ */

.pricing {
    padding: 120px 0;
    background: var(--dark);
}

.pricing__grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
    align-items: start;
}

.price-card {
    background: var(--dark-2);
    border: 1px solid rgba(242, 242, 242, 0.06);
    border-radius: 8px;
    padding: 40px 32px;
    text-align: center;
    position: relative;
    transition: border-color 0.3s, transform 0.3s;
}

.price-card:hover {
    border-color: rgba(242, 242, 242, 0.15);
    transform: translateY(-4px);
}

.price-card--featured {
    border-color: var(--lime);
    background: var(--dark-3);
}

.price-card--featured:hover {
    border-color: var(--lime);
}

.price-card__badge {
    position: absolute;
    top: -12px;
    left: 50%;
    transform: translateX(-50%);
    font-size: 11px;
    font-weight: 700;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--black);
    background: var(--lime);
    padding: 5px 16px;
    border-radius: 20px;
}

.price-card__title {
    font-size: 16px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--gray);
    margin-bottom: 20px;
}

.price-card__amount {
    font-size: 52px;
    font-weight: 900;
    letter-spacing: -0.03em;
    color: var(--light);
}

.price-card__period {
    font-size: 16px;
    color: var(--gray);
    font-weight: 400;
}

.price-card__features {
    list-style: none;
    margin: 28px 0;
    text-align: left;
}

.price-card__features li {
    padding: 10px 0;
    font-size: 15px;
    color: rgba(242, 242, 242, 0.7);
    border-bottom: 1px solid rgba(242, 242, 242, 0.05);
    padding-left: 24px;
    position: relative;
}

.price-card__features li:last-child { border-bottom: none; }

.price-card__features li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: var(--lime);
    font-weight: 700;
    font-size: 14px;
}

/* ============================================
   CONTACT
   ============================================ */

.contact {
    padding: 120px 0;
    background: var(--black);
}

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

.contact__text {
    font-size: 16px;
    color: var(--gray);
    line-height: 1.7;
    margin-bottom: 32px;
}

.contact__info {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.contact__info-item strong {
    display: block;
    font-size: 12px;
    font-weight: 700;
    letter-spacing: 0.15em;
    text-transform: uppercase;
    color: var(--lime);
    margin-bottom: 4px;
}

.contact__info-item p {
    font-size: 15px;
    color: var(--gray);
    line-height: 1.6;
}

.contact__info-item a {
    color: var(--gray);
    text-decoration: none;
    transition: color 0.3s;
}

.contact__info-item a:hover { color: var(--lime); }

/* Form */
.contact__form {
    background: var(--dark-2);
    border: 1px solid rgba(242, 242, 242, 0.06);
    border-radius: 8px;
    padding: 40px 32px;
}

.contact__form-title {
    font-size: 20px;
    font-weight: 800;
    text-transform: uppercase;
    letter-spacing: 0.04em;
    margin-bottom: 24px;
}

.form-group {
    margin-bottom: 14px;
}

.form-group input,
.form-group select {
    width: 100%;
    font-family: var(--font);
    font-size: 15px;
    color: var(--light);
    background: var(--dark-3);
    border: 1px solid rgba(242, 242, 242, 0.08);
    padding: 14px 16px;
    border-radius: 4px;
    outline: none;
    transition: border-color 0.3s;
    appearance: none;
    -webkit-appearance: none;
}

.form-group select {
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'%3E%3Cpath d='M1 1l5 5 5-5' stroke='%23888' stroke-width='1.5' fill='none'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 14px center;
    padding-right: 36px;
    cursor: pointer;
}

.form-group input::placeholder { color: var(--gray); }

.form-group input:focus,
.form-group select:focus {
    border-color: var(--lime);
}

.form-note {
    font-size: 13px;
    color: var(--gray);
    text-align: center;
    margin-top: 12px;
}

.form-success {
    text-align: center;
    font-size: 15px;
    font-weight: 600;
    color: var(--lime);
    margin-top: 16px;
    opacity: 0;
    transform: translateY(8px);
    transition: opacity 0.4s, transform 0.4s;
    pointer-events: none;
}

.form-success--show {
    opacity: 1;
    transform: translateY(0);
}

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

.footer {
    padding: 32px 0;
    background: var(--dark);
    border-top: 1px solid rgba(242, 242, 242, 0.05);
}

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

.footer__logo {
    font-size: 18px;
    font-weight: 900;
    letter-spacing: 0.15em;
    text-transform: uppercase;
    color: var(--light);
    text-decoration: none;
}

.footer__social {
    display: flex;
    gap: 16px;
}

.footer__social a {
    color: var(--gray);
    transition: color 0.3s;
}

.footer__social a:hover { color: var(--lime); }

.footer__copy {
    font-size: 13px;
    color: rgba(242, 242, 242, 0.3);
}

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

@media (max-width: 900px) {
    .programs__grid {
        grid-template-columns: 1fr;
    }

    .trainers__grid {
        grid-template-columns: repeat(3, 1fr);
        gap: 20px;
    }

    .pricing__grid {
        grid-template-columns: 1fr;
        max-width: 420px;
        margin: 0 auto;
    }

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

@media (max-width: 768px) {
    .header__nav {
        position: fixed;
        top: 0;
        left: 0;
        right: 0;
        bottom: 0;
        background: rgba(10, 10, 10, 0.98);
        backdrop-filter: blur(16px);
        flex-direction: column;
        align-items: center;
        justify-content: center;
        gap: 36px;
        opacity: 0;
        pointer-events: none;
        transition: opacity 0.4s;
    }

    .header__nav--open {
        opacity: 1;
        pointer-events: all;
    }

    .header__nav--open .header__link {
        font-size: 20px;
        color: var(--light);
    }

    .header__cta { display: none; }
    .burger { display: flex; }

    .hero__title { font-size: clamp(32px, 10vw, 56px); }
    .hero__stats { gap: 24px; }
    .hero__stat-num { font-size: 22px; }

    .programs { padding: 80px 0; }

    .trainers { padding: 80px 0; }
    .trainers__grid {
        grid-template-columns: 1fr;
        max-width: 320px;
        margin: 0 auto;
    }

    .pricing { padding: 80px 0; }
    .contact { padding: 80px 0; }

    .footer__inner {
        flex-direction: column;
        gap: 16px;
        text-align: center;
    }
}

@media (max-width: 480px) {
    .hero { min-height: 100svh; }

    .hero__actions {
        flex-direction: column;
        align-items: stretch;
    }

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

    .hero__stats {
        flex-direction: column;
        align-items: center;
        gap: 16px;
    }

    .contact__form { padding: 28px 20px; }
}