/* ==========================================================================
   DESIGN SYSTEM - IRONBODY PT GYM LANDING PAGE
   Tối giản, chuyên nghiệp. Tone: Dark + Cam/Vàng (màu gym)
   ========================================================================== */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&family=Barlow:wght@400;500;600;700;800;900&display=swap');

:root {
    /* Colors */
    --bg:          #0e0e0e;
    --bg-alt:      #141414;
    --bg-card:     #1a1a1a;
    --bg-card-2:   #1f1f1f;
    --border:      rgba(255,255,255,0.07);
    --border-hover:rgba(255,255,255,0.14);

    --accent:      #f97316;   /* orange */
    --accent-2:    #fb923c;
    --accent-glow: rgba(249,115,22,0.18);
    --accent-red:  #ef4444;
    --accent-green:#22c55e;

    --text-white:  #f5f5f5;
    --text-light:  #d4d4d4;
    --text-gray:   #a3a3a3;
    --text-muted:  #666;

    --transition:  0.25s ease;
    --radius:      12px;
    --radius-lg:   20px;
}

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

html { scroll-behavior: smooth; scroll-padding-top: 90px; font-size: 16px; }

body {
    font-family: 'Inter', sans-serif;
    background: var(--bg);
    color: var(--text-light);
    line-height: 1.65;
    overflow-x: hidden;
}

h1, h2, h3, h4, h5 {
    font-family: 'Barlow', sans-serif;
    color: var(--text-white);
    line-height: 1.2;
    font-weight: 800;
}

a { color: inherit; text-decoration: none; transition: var(--transition); }
ul { list-style: none; }
img { max-width: 100%; height: auto; display: block; }
button, input, select, textarea { font-family: inherit; outline: none; }

/* ==========================================================================
   UTILITIES
   ========================================================================== */
.container {
    width: 100%;
    max-width: 1160px;
    margin: 0 auto;
    padding: 0 1.5rem;
}

.section { padding: 7rem 0; }

.section-header {
    text-align: center;
    max-width: 680px;
    margin: 0 auto 4rem;
}

.section-title {
    font-size: 2.5rem;
    letter-spacing: -0.02em;
    margin-bottom: 1rem;
}

.section-title .text-accent,
.text-accent {
    color: var(--accent);
}

.section-sub {
    color: var(--text-gray);
    font-size: 1.05rem;
}

/* Badge */
.badge {
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    padding: 0.4rem 1rem;
    border-radius: 50px;
    font-size: 0.78rem;
    font-weight: 600;
    letter-spacing: 0.06em;
    text-transform: uppercase;
    background: rgba(249,115,22,0.1);
    color: var(--accent);
    border: 1px solid rgba(249,115,22,0.25);
    margin-bottom: 1.25rem;
}

.badge-red {
    background: rgba(239,68,68,0.08);
    color: var(--accent-red);
    border-color: rgba(239,68,68,0.2);
}

.badge-orange {
    background: rgba(249,115,22,0.1);
    color: var(--accent);
    border-color: rgba(249,115,22,0.25);
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.6rem;
    padding: 0.85rem 2rem;
    border-radius: var(--radius);
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    border: none;
    transition: var(--transition);
    white-space: nowrap;
}

.btn-primary {
    background: var(--accent);
    color: #fff;
    box-shadow: 0 4px 20px rgba(249,115,22,0.3);
}
.btn-primary:hover {
    background: var(--accent-2);
    transform: translateY(-2px);
    box-shadow: 0 6px 28px rgba(249,115,22,0.4);
}

.btn-outline {
    background: transparent;
    color: var(--text-white);
    border: 1px solid var(--border-hover);
}
.btn-outline:hover {
    border-color: var(--accent);
    color: var(--accent);
}

.btn-sm { padding: 0.55rem 1.2rem; font-size: 0.88rem; border-radius: 8px; }

/* ==========================================================================
   HEADER
   ========================================================================== */
.header {
    position: fixed;
    top: 0; left: 0;
    width: 100%;
    z-index: 1000;
    padding: 1.25rem 0;
    transition: var(--transition);
}

.header.scrolled {
    background: rgba(14,14,14,0.92);
    backdrop-filter: blur(16px);
    border-bottom: 1px solid var(--border);
    padding: 0.8rem 0;
}

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

.logo {
    display: flex;
    align-items: center;
    gap: 0.6rem;
    font-family: 'Barlow', sans-serif;
    font-size: 1.4rem;
    font-weight: 900;
    color: var(--text-white);
    letter-spacing: -0.02em;
}
.logo i { color: var(--accent); }

.nav-menu {
    display: flex;
    align-items: center;
    gap: 2rem;
}

.nav-link {
    font-size: 0.9rem;
    font-weight: 500;
    color: var(--text-gray);
    position: relative;
    padding: 0.4rem 0;
}
.nav-link:hover, .nav-link.active { color: var(--text-white); }
.nav-link::after {
    content: '';
    position: absolute;
    bottom: 0; left: 0;
    width: 0; height: 2px;
    background: var(--accent);
    transition: var(--transition);
}
.nav-link:hover::after, .nav-link.active::after { width: 100%; }

.nav-actions { display: flex; align-items: center; gap: 1rem; }

.nav-toggle {
    display: none;
    background: none;
    border: none;
    color: var(--text-white);
    font-size: 1.4rem;
    cursor: pointer;
}

/* ==========================================================================
   HERO
   ========================================================================== */
.hero {
    min-height: 100vh;
    padding-top: 9rem;
    padding-bottom: 4rem;
    display: flex;
    align-items: center;
    position: relative;
    background: radial-gradient(ellipse 70% 60% at 70% 50%, rgba(249,115,22,0.06) 0%, transparent 70%);
}

.hero-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
}

.hero-content { display: flex; flex-direction: column; align-items: flex-start; }

.hero-title {
    font-size: 3.5rem;
    letter-spacing: -0.03em;
    margin-bottom: 1.25rem;
    line-height: 1.1;
}

.hero-desc {
    font-size: 1.1rem;
    color: var(--text-gray);
    max-width: 500px;
    margin-bottom: 2rem;
}

.hero-tags {
    display: flex;
    flex-direction: column;
    gap: 0.6rem;
    margin-bottom: 2rem;
}

.hero-tag {
    display: flex;
    align-items: center;
    gap: 0.6rem;
    font-size: 0.92rem;
    color: var(--text-light);
}
.hero-tag i { color: var(--accent-green); font-size: 0.85rem; }

.hero-price-box {
    display: flex;
    align-items: center;
    gap: 1.25rem;
    margin-bottom: 2rem;
    padding: 1rem 1.25rem;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
}

.price-old {
    font-size: 1rem;
    color: var(--text-muted);
    text-decoration: line-through;
    display: block;
}
.price-tag {
    display: inline-block;
    background: var(--accent-red);
    color: #fff;
    font-size: 0.7rem;
    font-weight: 700;
    padding: 0.2rem 0.5rem;
    border-radius: 4px;
    letter-spacing: 0.05em;
}
.price-new {
    font-family: 'Barlow', sans-serif;
    font-size: 2.25rem;
    font-weight: 800;
    color: var(--accent);
}

.hero-ctas {
    display: flex;
    align-items: center;
    gap: 1rem;
    flex-wrap: wrap;
    margin-bottom: 1.25rem;
}

.hero-note {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.82rem;
    color: var(--text-muted);
}
.hero-note i { color: var(--accent-green); }

/* Hero media */
.hero-media { position: relative; }

.hero-img-wrap {
    border-radius: var(--radius-lg);
    overflow: hidden;
    aspect-ratio: 4/5;
    position: relative;
}
.hero-img { width: 100%; height: 100%; object-fit: cover; }
.hero-img-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(to top, rgba(14,14,14,0.5) 0%, transparent 50%);
}

.hero-stat-card {
    position: absolute;
    display: flex;
    align-items: center;
    gap: 0.75rem;
    background: rgba(14,14,14,0.85);
    backdrop-filter: blur(12px);
    border: 1px solid var(--border-hover);
    border-radius: var(--radius);
    padding: 0.75rem 1.25rem;
    white-space: nowrap;
}
.hero-stat-card.top { top: 1.5rem; right: -2rem; }
.hero-stat-card.bottom { bottom: 2rem; left: -2rem; }
.hero-stat-card i { color: var(--accent); font-size: 1.25rem; }
.hero-stat-card strong { display: block; font-size: 1.1rem; font-weight: 700; color: var(--text-white); }
.hero-stat-card span { font-size: 0.78rem; color: var(--text-gray); }

/* ==========================================================================
   PAIN SECTION
   ========================================================================== */
.pain-section { background: var(--bg-alt); }

.pain-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1.5rem;
    margin-bottom: 2.5rem;
}

.pain-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 2rem;
    border-left: 3px solid var(--accent-red);
    transition: var(--transition);
}
.pain-card:hover {
    border-color: rgba(239,68,68,0.4);
    transform: translateY(-4px);
}

.pain-icon {
    width: 48px;
    height: 48px;
    background: rgba(239,68,68,0.08);
    border: 1px solid rgba(239,68,68,0.18);
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--accent-red);
    font-size: 1.3rem;
    margin-bottom: 1.5rem;
}

.pain-card h3 { font-size: 1.15rem; margin-bottom: 0.75rem; }
.pain-card p { color: var(--text-gray); font-size: 0.9rem; line-height: 1.7; }

.pain-warning {
    display: flex;
    align-items: flex-start;
    gap: 1.25rem;
    background: rgba(239,68,68,0.04);
    border: 1px solid rgba(239,68,68,0.15);
    border-radius: var(--radius);
    padding: 1.5rem;
    color: var(--text-gray);
    font-size: 0.92rem;
    line-height: 1.7;
}
.pain-warning i { color: var(--accent-red); font-size: 1.5rem; flex-shrink: 0; margin-top: 2px; }
.pain-warning strong { color: var(--text-white); }

/* ==========================================================================
   SOLUTION SECTION
   ========================================================================== */
.solution-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1.5rem;
}

.solution-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 2rem;
    transition: var(--transition);
}
.solution-card:hover {
    border-color: var(--border-hover);
    transform: translateY(-4px);
    background: var(--bg-card-2);
}

.sol-icon {
    width: 48px;
    height: 48px;
    background: var(--accent-glow);
    border: 1px solid rgba(249,115,22,0.25);
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--accent);
    font-size: 1.3rem;
    margin-bottom: 1.5rem;
}

.solution-card h3 { font-size: 1.1rem; margin-bottom: 0.75rem; }
.solution-card p { color: var(--text-gray); font-size: 0.9rem; line-height: 1.7; }

/* ==========================================================================
   PROGRAM SECTION
   ========================================================================== */
.program-section { background: var(--bg-alt); }

.program-layout {
    display: grid;
    grid-template-columns: 1fr 1.4fr;
    gap: 4rem;
    align-items: start;
}

.program-stats {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1rem;
    margin-top: 2rem;
}

.pstat {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 1.25rem;
    text-align: center;
}

.pstat-num {
    display: block;
    font-family: 'Barlow', sans-serif;
    font-size: 2rem;
    font-weight: 800;
    color: var(--accent);
}
.pstat-label { font-size: 0.8rem; color: var(--text-gray); }

/* Accordion */
.accordion { display: flex; flex-direction: column; gap: 0.75rem; }

.accordion-item {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    overflow: hidden;
    transition: var(--transition);
}
.accordion-item.active { border-color: rgba(249,115,22,0.3); }

.accordion-header {
    width: 100%;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 1.25rem 1.5rem;
    background: none;
    border: none;
    cursor: pointer;
    text-align: left;
    gap: 1rem;
    color: var(--text-white);
}
.accordion-header:hover { background: rgba(255,255,255,0.02); }

.acc-title-group { flex: 1; }
.acc-badge {
    display: inline-block;
    font-size: 0.72rem;
    font-weight: 700;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: var(--accent);
    background: var(--accent-glow);
    padding: 0.2rem 0.65rem;
    border-radius: 4px;
    margin-bottom: 0.4rem;
}
.acc-title {
    font-size: 1rem;
    font-weight: 700;
    color: var(--text-white);
}
.acc-arrow {
    color: var(--text-muted);
    transition: transform 0.3s ease;
    flex-shrink: 0;
}
.accordion-item.active .acc-arrow { transform: rotate(180deg); color: var(--accent); }

.accordion-content {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.35s ease;
}
.accordion-body {
    padding: 0 1.5rem 1.5rem;
    border-top: 1px solid var(--border);
}
.accordion-body > p {
    color: var(--text-gray);
    font-size: 0.9rem;
    margin-bottom: 1rem;
    padding-top: 1rem;
}

.lesson-list {
    display: flex;
    flex-direction: column;
    gap: 0.6rem;
}
.lesson-list li {
    display: flex;
    align-items: flex-start;
    gap: 0.6rem;
    font-size: 0.88rem;
    color: var(--text-light);
}
.lesson-list li i { color: var(--accent-green); margin-top: 3px; flex-shrink: 0; }

.bonus-box {
    display: flex;
    align-items: flex-start;
    gap: 1rem;
    background: rgba(249,115,22,0.05);
    border: 1px solid rgba(249,115,22,0.2);
    border-radius: var(--radius);
    padding: 1.25rem 1.5rem;
    margin-top: 0.75rem;
}
.bonus-icon { color: var(--accent); font-size: 1.5rem; flex-shrink: 0; margin-top: 2px; }
.bonus-content h4 { font-size: 0.95rem; margin-bottom: 0.4rem; }
.bonus-content p { font-size: 0.85rem; color: var(--text-gray); line-height: 1.6; }

/* ==========================================================================
   TRAINER SECTION
   ========================================================================== */
.trainer-grid {
    display: grid;
    grid-template-columns: 1fr 1.2fr;
    gap: 5rem;
    align-items: center;
}

.trainer-img-wrap {
    border-radius: var(--radius-lg);
    overflow: hidden;
    aspect-ratio: 3/4;
    border: 1px solid var(--border);
}
.trainer-img-wrap img { width: 100%; height: 100%; object-fit: cover; }

.trainer-name {
    font-size: 2.25rem;
    margin-top: 0.5rem;
    margin-bottom: 0.25rem;
}
.trainer-title {
    color: var(--accent);
    font-size: 0.9rem;
    font-weight: 600;
    display: block;
    margin-bottom: 1.25rem;
}
.trainer-bio {
    color: var(--text-gray);
    font-size: 0.95rem;
    line-height: 1.75;
    margin-bottom: 1.5rem;
}

.trainer-certs {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    margin-bottom: 2rem;
}
.cert-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    font-size: 0.78rem;
    font-weight: 600;
    padding: 0.35rem 0.85rem;
    border-radius: 50px;
    background: var(--bg-card);
    border: 1px solid var(--border);
    color: var(--text-light);
}
.cert-badge i { color: var(--accent); }

.trainer-achievements {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1rem;
}

.achievement {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 1.25rem;
    text-align: center;
}
.achievement i { color: var(--accent); font-size: 1.25rem; margin-bottom: 0.5rem; }
.achievement h4 { font-size: 1.3rem; margin-bottom: 0.2rem; }
.achievement p { font-size: 0.78rem; color: var(--text-gray); }

/* ==========================================================================
   RESULTS SECTION
   ========================================================================== */
.results-section { background: var(--bg-alt); }

.results-summary {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 3rem;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 2rem 3rem;
    margin-bottom: 3rem;
    flex-wrap: wrap;
}

.rscore { text-align: center; }
.rscore-num {
    display: block;
    font-family: 'Barlow', sans-serif;
    font-size: 2.5rem;
    font-weight: 800;
    color: var(--accent);
}
.rscore-stars { color: #f59e0b; font-size: 0.9rem; margin: 0.25rem 0; }
.rscore-label { font-size: 0.82rem; color: var(--text-gray); }
.rscore-divider { width: 1px; height: 60px; background: var(--border); }

.reviews-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1.5rem;
}

.review-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 2rem;
    display: flex;
    flex-direction: column;
    gap: 1.25rem;
    transition: var(--transition);
}
.review-card:hover { border-color: var(--border-hover); transform: translateY(-4px); }

.review-stars { color: #f59e0b; font-size: 0.85rem; }
.review-text {
    color: var(--text-gray);
    font-size: 0.9rem;
    line-height: 1.75;
    font-style: italic;
    flex-grow: 1;
}

.review-user { display: flex; align-items: center; gap: 0.75rem; }
.user-avatar {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: var(--accent);
    color: #fff;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.8rem;
    font-weight: 700;
    flex-shrink: 0;
}
.user-info h4 { font-size: 0.9rem; margin: 0; }
.user-info p { font-size: 0.78rem; color: var(--text-muted); margin: 0; }

/* ==========================================================================
   OFFER SECTION
   ========================================================================== */
.offer-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    overflow: hidden;
}

.offer-layout {
    display: grid;
    grid-template-columns: 1fr 1fr;
}

.offer-left {
    padding: 3rem;
    background: var(--bg-card-2);
    border-right: 1px solid var(--border);
}
.offer-left h3 {
    font-size: 1.9rem;
    margin-bottom: 1rem;
}
.offer-left > p {
    color: var(--text-gray);
    font-size: 0.9rem;
    line-height: 1.7;
    margin-bottom: 2rem;
}
.offer-left strong { color: var(--accent); }

.countdown-wrap {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}
.cdown-box {
    display: flex;
    flex-direction: column;
    align-items: center;
    background: var(--bg);
    border: 1px solid var(--border);
    border-radius: 8px;
    padding: 0.75rem 1.25rem;
}
.cdown-num {
    font-family: 'Barlow', sans-serif;
    font-size: 2rem;
    font-weight: 800;
    color: var(--accent);
    line-height: 1;
}
.cdown-label { font-size: 0.7rem; color: var(--text-muted); margin-top: 4px; }
.cdown-sep { font-size: 1.5rem; font-weight: 700; color: var(--text-muted); align-self: center; padding-bottom: 0.5rem; }

.offer-right { padding: 3rem; }
.offer-badge-pill {
    display: inline-block;
    background: var(--accent-glow);
    color: var(--accent);
    border: 1px solid rgba(249,115,22,0.25);
    padding: 0.3rem 1rem;
    border-radius: 50px;
    font-size: 0.8rem;
    font-weight: 600;
    margin-bottom: 1.25rem;
}
.offer-price-old {
    font-size: 1.1rem;
    color: var(--text-muted);
    text-decoration: line-through;
    margin-bottom: 0.25rem;
}
.offer-price-new {
    font-family: 'Barlow', sans-serif;
    font-size: 2.75rem;
    font-weight: 800;
    color: var(--accent);
    margin-bottom: 1.5rem;
}

.offer-features {
    display: flex;
    flex-direction: column;
    gap: 0.7rem;
    margin-bottom: 2rem;
}
.offer-features li {
    display: flex;
    align-items: center;
    gap: 0.65rem;
    font-size: 0.9rem;
    color: var(--text-light);
}
.offer-features li i { color: var(--accent-green); flex-shrink: 0; }

.offer-fine {
    text-align: center;
    font-size: 0.78rem;
    color: var(--text-muted);
    margin-top: 0.75rem;
}

/* ==========================================================================
   FAQ SECTION
   ========================================================================== */
.faq-section { background: var(--bg-alt); }
.faq-max { max-width: 820px; }

/* Reuse accordion styles */

/* ==========================================================================
   FOOTER
   ========================================================================== */
.footer {
    background: var(--bg-alt);
    border-top: 1px solid var(--border);
    padding-top: 4rem;
    padding-bottom: 0;
}

.footer-grid {
    display: grid;
    grid-template-columns: 1.5fr 1fr 1fr;
    gap: 3rem;
    padding-bottom: 3rem;
}

.footer-brand .logo { margin-bottom: 1rem; font-size: 1.3rem; }
.footer-desc { font-size: 0.88rem; color: var(--text-gray); line-height: 1.7; margin-bottom: 1.25rem; }

.footer-socials { display: flex; gap: 0.75rem; }
.footer-socials a {
    width: 36px;
    height: 36px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 8px;
    color: var(--text-gray);
    font-size: 0.9rem;
    transition: var(--transition);
}
.footer-socials a:hover { border-color: var(--accent); color: var(--accent); }

.footer-col h4 {
    font-size: 0.88rem;
    font-weight: 700;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: var(--text-white);
    margin-bottom: 1.25rem;
}

.footer-col ul { display: flex; flex-direction: column; gap: 0.65rem; }
.footer-col ul li a {
    font-size: 0.88rem;
    color: var(--text-gray);
}
.footer-col ul li a:hover { color: var(--accent); }

.footer-contacts { list-style: none; }
.footer-contacts li {
    display: flex;
    align-items: flex-start;
    gap: 0.65rem;
    font-size: 0.88rem;
    color: var(--text-gray);
    margin-bottom: 0.65rem;
}
.footer-contacts li i { color: var(--accent); margin-top: 2px; flex-shrink: 0; width: 14px; }

.footer-bottom {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 1.25rem 0;
    border-top: 1px solid var(--border);
    font-size: 0.82rem;
    color: var(--text-muted);
    flex-wrap: wrap;
    gap: 0.75rem;
}

.footer-bottom-links { display: flex; gap: 1.5rem; }
.footer-bottom-links a { color: var(--text-muted); }
.footer-bottom-links a:hover { color: var(--text-gray); }

/* ==========================================================================
   MODAL
   ========================================================================== */
.modal-overlay {
    position: fixed;
    inset: 0;
    background: rgba(0,0,0,0.75);
    backdrop-filter: blur(6px);
    z-index: 9999;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 1.5rem;
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.3s ease, visibility 0.3s ease;
}
.modal-overlay.open { opacity: 1; visibility: visible; }

.modal-card {
    background: var(--bg-card);
    border: 1px solid var(--border-hover);
    border-radius: var(--radius-lg);
    width: 100%;
    max-width: 460px;
    position: relative;
    transform: translateY(20px);
    transition: transform 0.3s ease;
}
.modal-overlay.open .modal-card { transform: translateY(0); }

.modal-close {
    position: absolute;
    top: 1rem; right: 1rem;
    width: 32px; height: 32px;
    background: var(--bg);
    border: 1px solid var(--border);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    color: var(--text-gray);
    font-size: 0.9rem;
    transition: var(--transition);
}
.modal-close:hover { border-color: var(--accent); color: var(--accent); }

.modal-header {
    padding: 2rem 2rem 1.5rem;
    text-align: center;
    border-bottom: 1px solid var(--border);
}
.modal-icon { font-size: 2rem; color: var(--accent); margin-bottom: 0.75rem; }
.modal-header h3 { font-size: 1.3rem; margin-bottom: 0.5rem; }
.modal-header p { color: var(--text-gray); font-size: 0.85rem; line-height: 1.6; }

.modal-form { padding: 1.5rem 2rem 2rem; display: flex; flex-direction: column; gap: 1.25rem; }

.form-group { display: flex; flex-direction: column; gap: 0.4rem; }
.form-group label { font-size: 0.85rem; font-weight: 600; color: var(--text-light); }
.form-group label span { color: var(--accent-red); }
.form-group input,
.form-group select {
    background: var(--bg);
    border: 1px solid var(--border);
    border-radius: 8px;
    padding: 0.75rem 1rem;
    color: var(--text-white);
    font-size: 0.9rem;
    transition: var(--transition);
    -webkit-appearance: none;
}
.form-group input:focus,
.form-group select:focus { border-color: var(--accent); }
.form-group input::placeholder { color: var(--text-muted); }
.form-group select option { background: var(--bg-card); }

.modal-success { padding: 3rem 2rem; text-align: center; }
.success-icon { font-size: 3rem; color: var(--accent-green); margin-bottom: 1rem; }
.modal-success h3 { font-size: 1.4rem; margin-bottom: 0.75rem; }
.modal-success p { color: var(--text-gray); font-size: 0.9rem; line-height: 1.7; margin-bottom: 1.5rem; }
.modal-success strong { color: var(--text-white); }

/* ==========================================================================
   TOAST
   ========================================================================== */
.sale-toast {
    position: fixed;
    bottom: 2rem;
    left: 2rem;
    z-index: 9000;
    display: flex;
    align-items: center;
    gap: 0.75rem;
    background: var(--bg-card);
    border: 1px solid var(--border-hover);
    border-radius: var(--radius);
    padding: 1rem 1.25rem;
    max-width: 340px;
    box-shadow: 0 8px 32px rgba(0,0,0,0.4);
    transform: translateY(120%);
    opacity: 0;
    transition: transform 0.4s cubic-bezier(0.34, 1.56, 0.64, 1), opacity 0.4s ease;
}
.sale-toast.show { transform: translateY(0); opacity: 1; }

.toast-avatar {
    width: 40px;
    height: 40px;
    flex-shrink: 0;
    border-radius: 50%;
    background: var(--accent);
    color: #fff;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.8rem;
    font-weight: 700;
}

.toast-content { flex: 1; }
.toast-content p { font-size: 0.82rem; color: var(--text-light); line-height: 1.4; margin: 0; }
.toast-content p strong { color: var(--text-white); }
.toast-content span { font-size: 0.72rem; color: var(--text-muted); }

.toast-close {
    background: none;
    border: none;
    color: var(--text-muted);
    cursor: pointer;
    font-size: 0.8rem;
    padding: 0.25rem;
    flex-shrink: 0;
    transition: var(--transition);
}
.toast-close:hover { color: var(--text-white); }

/* ==========================================================================
   SCROLL TOP
   ========================================================================== */
.scroll-top {
    position: fixed;
    bottom: 2rem;
    right: 2rem;
    z-index: 9000;
    width: 42px;
    height: 42px;
    background: var(--accent);
    color: #fff;
    border: none;
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    font-size: 0.9rem;
    opacity: 0;
    transform: translateY(10px);
    transition: var(--transition);
    box-shadow: 0 4px 15px rgba(249,115,22,0.35);
}
.scroll-top.show { opacity: 1; transform: translateY(0); }
.scroll-top:hover { background: var(--accent-2); }

/* ==========================================================================
   SCROLL REVEAL ANIMATIONS
   ========================================================================== */
.reveal {
    opacity: 0;
    transform: translateY(28px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}
.reveal-left {
    opacity: 0;
    transform: translateX(-30px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}
.reveal-right {
    opacity: 0;
    transform: translateX(30px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}
.reveal-scale {
    opacity: 0;
    transform: scale(0.96);
    transition: opacity 0.6s ease, transform 0.6s ease;
}
.reveal.visible, .reveal-left.visible, .reveal-right.visible, .reveal-scale.visible {
    opacity: 1;
    transform: none;
}

.delay-1 { transition-delay: 0.1s; }
.delay-2 { transition-delay: 0.2s; }
.delay-3 { transition-delay: 0.3s; }

/* ==========================================================================
   REGISTER SECTION
   ========================================================================== */
.register-section {
    background: var(--bg);
    position: relative;
    overflow: hidden;
}

/* Subtle background accent */
.register-section::before {
    content: '';
    position: absolute;
    width: 600px;
    height: 600px;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(249,115,22,0.07) 0%, transparent 70%);
    top: -100px;
    right: -100px;
    pointer-events: none;
}

.register-wrap {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 5rem;
    align-items: start;
}

/* ---- LEFT ---- */
.register-left { padding-top: 0.5rem; }

.reg-title {
    font-size: 2.5rem;
    letter-spacing: -0.02em;
    margin-bottom: 1rem;
}

.reg-desc {
    color: var(--text-gray);
    font-size: 0.95rem;
    line-height: 1.75;
    margin-bottom: 2.5rem;
}

.reg-perks {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
    margin-bottom: 2.5rem;
}

.reg-perks li {
    display: flex;
    align-items: flex-start;
    gap: 1rem;
}

.reg-perk-icon {
    width: 40px;
    height: 40px;
    flex-shrink: 0;
    background: var(--accent-glow);
    border: 1px solid rgba(249,115,22,0.2);
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--accent);
    font-size: 1rem;
    margin-top: 2px;
}

.reg-perks li > div { display: flex; flex-direction: column; gap: 0.2rem; }
.reg-perks li strong { font-size: 0.92rem; color: var(--text-white); }
.reg-perks li span { font-size: 0.82rem; color: var(--text-gray); line-height: 1.5; }

.reg-social-proof {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding-top: 2rem;
    border-top: 1px solid var(--border);
}

.reg-avatars {
    display: flex;
    align-items: center;
}

.reg-av {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    border: 2px solid var(--bg);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.65rem;
    font-weight: 700;
    color: #fff;
    margin-left: -8px;
}
.reg-av:first-child { margin-left: 0; }

.reg-av-more {
    background: var(--bg-card-2);
    color: var(--text-gray);
    font-size: 0.6rem;
    border-color: var(--border);
}

.reg-social-proof p {
    font-size: 0.82rem;
    color: var(--text-gray);
    line-height: 1.5;
}
.reg-social-proof strong { color: var(--text-white); }

/* ---- RIGHT ---- */
.register-right {
    background: var(--bg-card);
    border: 1px solid var(--border-hover);
    border-radius: var(--radius-lg);
    overflow: hidden;
}

/* Step pills */
.reg-form-header {
    padding: 2rem 2rem 1.5rem;
    background: var(--bg-card-2);
    border-bottom: 1px solid var(--border);
}

.reg-step-pills {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    margin-bottom: 1.25rem;
}

.reg-step {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.78rem;
    font-weight: 600;
    color: var(--text-muted);
}
.reg-step > span {
    width: 22px;
    height: 22px;
    border-radius: 50%;
    background: var(--bg);
    border: 1px solid var(--border-hover);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.72rem;
    font-weight: 700;
}
.reg-step.active { color: var(--accent); }
.reg-step.active > span {
    background: var(--accent);
    border-color: var(--accent);
    color: #fff;
}
.reg-step.done > span {
    background: var(--accent-green);
    border-color: var(--accent-green);
    color: #fff;
}

.reg-step-line {
    flex: 1;
    height: 1px;
    background: var(--border);
    max-width: 60px;
}

.reg-form-header h3 { font-size: 1.3rem; margin-bottom: 0.3rem; }
.reg-form-header p { font-size: 0.82rem; color: var(--text-muted); }

/* Form body */
.reg-form {
    padding: 2rem;
    display: flex;
    flex-direction: column;
    gap: 1.4rem;
}

.reg-form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1rem;
}

.reg-field {
    display: flex;
    flex-direction: column;
    gap: 0.45rem;
}

.reg-field label {
    font-size: 0.82rem;
    font-weight: 600;
    color: var(--text-light);
}
.req { color: var(--accent-red); }
.optional { color: var(--text-muted); font-weight: 400; font-size: 0.75rem; }

.reg-input-wrap {
    position: relative;
    display: flex;
    align-items: center;
}
.reg-input-wrap > i {
    position: absolute;
    left: 1rem;
    color: var(--text-muted);
    font-size: 0.85rem;
    pointer-events: none;
    z-index: 1;
}
.reg-input-wrap input,
.reg-input-wrap select {
    width: 100%;
    background: var(--bg);
    border: 1px solid var(--border);
    border-radius: 8px;
    padding: 0.75rem 1rem 0.75rem 2.75rem;
    color: var(--text-white);
    font-size: 0.88rem;
    transition: var(--transition);
    -webkit-appearance: none;
}
.reg-input-wrap input:focus,
.reg-input-wrap select:focus {
    border-color: var(--accent);
    box-shadow: 0 0 0 3px rgba(249,115,22,0.1);
}
.reg-input-wrap input.error,
.reg-input-wrap input:focus.error { border-color: var(--accent-red); box-shadow: 0 0 0 3px rgba(239,68,68,0.1); }
.reg-input-wrap input::placeholder { color: var(--text-muted); }
.reg-input-wrap select option { background: var(--bg-card); }

/* Select dropdown arrow */
.reg-select-wrap::after {
    content: '\f078';
    font-family: 'Font Awesome 6 Free';
    font-weight: 900;
    position: absolute;
    right: 1rem;
    color: var(--text-muted);
    font-size: 0.72rem;
    pointer-events: none;
}

/* Textarea */
.reg-textarea-wrap textarea {
    width: 100%;
    background: var(--bg);
    border: 1px solid var(--border);
    border-radius: 8px;
    padding: 0.75rem 1rem;
    color: var(--text-white);
    font-size: 0.88rem;
    resize: vertical;
    transition: var(--transition);
    line-height: 1.6;
}
.reg-textarea-wrap textarea:focus {
    border-color: var(--accent);
    box-shadow: 0 0 0 3px rgba(249,115,22,0.1);
    outline: none;
}
.reg-textarea-wrap textarea::placeholder { color: var(--text-muted); }

/* Goal radio grid */
.reg-select-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 0.6rem;
}

.reg-goal-option {
    cursor: pointer;
    user-select: none;
}
.reg-goal-option input[type="radio"] {
    position: absolute;
    opacity: 0;
    width: 0;
    height: 0;
}
.reg-goal-option span {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.65rem 1rem;
    background: var(--bg);
    border: 1px solid var(--border);
    border-radius: 8px;
    font-size: 0.85rem;
    font-weight: 500;
    color: var(--text-gray);
    transition: var(--transition);
}
.reg-goal-option span i { font-size: 0.8rem; color: var(--text-muted); transition: var(--transition); }
.reg-goal-option:hover span {
    border-color: var(--border-hover);
    color: var(--text-light);
}
.reg-goal-option input:checked + span {
    border-color: var(--accent);
    background: var(--accent-glow);
    color: var(--accent);
}
.reg-goal-option input:checked + span i { color: var(--accent); }

/* Field error */
.field-error {
    font-size: 0.75rem;
    color: var(--accent-red);
    min-height: 1rem;
    display: block;
}

/* Submit button */
.reg-submit {
    width: 100%;
    justify-content: center;
    padding: 1rem;
    font-size: 1rem;
    position: relative;
    overflow: hidden;
    letter-spacing: 0.02em;
}
.reg-submit:active { transform: scale(0.99); }

.reg-privacy {
    text-align: center;
    font-size: 0.75rem;
    color: var(--text-muted);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.4rem;
}
.reg-privacy i { color: var(--accent-green); }

/* Success state */
.reg-success-wrap {
    padding: 3.5rem 2.5rem;
    text-align: center;
    display: flex;
    flex-direction: column;
    align-items: center;
}

.reg-success-icon {
    width: 72px;
    height: 72px;
    background: rgba(34,197,94,0.1);
    border: 2px solid rgba(34,197,94,0.25);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2rem;
    color: var(--accent-green);
    margin-bottom: 1.25rem;
    animation: success-pop 0.5s cubic-bezier(0.34, 1.56, 0.64, 1);
}

@keyframes success-pop {
    0% { transform: scale(0); opacity: 0; }
    100% { transform: scale(1); opacity: 1; }
}

.reg-success-wrap h3 { font-size: 1.5rem; margin-bottom: 0.75rem; }
.reg-success-wrap > p { color: var(--text-gray); font-size: 0.92rem; line-height: 1.7; margin-bottom: 1.5rem; }
.reg-success-wrap strong { color: var(--text-white); }

.reg-success-details {
    width: 100%;
    background: var(--bg);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 1rem 1.5rem;
    display: flex;
    flex-direction: column;
    gap: 0.6rem;
    text-align: left;
}

.reg-success-item {
    display: flex;
    align-items: center;
    gap: 0.65rem;
    font-size: 0.88rem;
    color: var(--text-light);
}
.reg-success-item i { color: var(--accent-green); font-size: 0.8rem; }

/* ==========================================================================
   RESPONSIVE
   ========================================================================== */
@media (max-width: 1200px) {
    .container { max-width: 960px; }
}

@media (max-width: 1024px) {
    .hero-grid { grid-template-columns: 1fr; gap: 3.5rem; }
    .hero-media { order: -1; max-width: 420px; margin: 0 auto; }
    .hero-stat-card.top { right: 0; }
    .hero-stat-card.bottom { left: 0; }
    .hero-content { align-items: center; text-align: center; }
    .hero-tags { align-items: flex-start; width: 100%; max-width: 420px; margin-left: auto; margin-right: auto; }
    .hero-price-box { align-self: center; width: 100%; max-width: 420px; justify-content: center; }
    .hero-ctas { justify-content: center; width: 100%; }

    .pain-grid { grid-template-columns: 1fr 1fr; }
    .solution-grid { grid-template-columns: 1fr 1fr; }
    .program-layout { grid-template-columns: 1fr; gap: 3rem; }
    .trainer-grid { grid-template-columns: 1fr; gap: 3rem; }
    .trainer-img-wrap { max-width: 400px; margin: 0 auto; }
    .reviews-grid { grid-template-columns: 1fr 1fr; }
    .offer-layout { grid-template-columns: 1fr; }
    .offer-left { border-right: none; border-bottom: 1px solid var(--border); }
    .footer-grid { grid-template-columns: 1fr 1fr; }
    .register-wrap { grid-template-columns: 1fr; gap: 3.5rem; }
}

@media (max-width: 768px) {
    .container { padding: 0 1.25rem; }
    .section { padding: 5rem 0; }
    .section-title { font-size: 2.1rem; }
    .hero-title { font-size: 2.6rem; }

    .nav-menu {
        position: absolute;
        top: 100%;
        left: 0;
        width: 100%;
        height: auto;
        background: var(--bg-alt);
        border-bottom: 1px solid var(--border);
        flex-direction: column;
        align-items: flex-start;
        justify-content: flex-start;
        padding: 1.5rem 1.5rem;
        gap: 1rem;
        z-index: 999;
        transform: translateY(-10px);
        opacity: 0;
        pointer-events: none;
        transition: transform 0.25s cubic-bezier(0.16, 1, 0.3, 1), opacity 0.2s ease;
        box-shadow: 0 15px 30px rgba(0,0,0,0.5);
    }
    .nav-menu.open {
        transform: translateY(0);
        opacity: 1;
        pointer-events: auto;
    }

    .nav-menu .nav-link {
        font-family: 'Inter', sans-serif;
        font-weight: 500;
        font-size: 0.95rem;
        letter-spacing: normal;
        text-transform: none;
        color: var(--text-gray);
        opacity: 1;
        transform: none;
        width: 100%;
        padding: 0.5rem 0;
        border-bottom: 1px solid rgba(255, 255, 255, 0.02);
    }
    .nav-menu .nav-link:last-of-type {
        border-bottom: none;
    }
    .nav-menu .nav-link:hover, .nav-menu .nav-link.active {
        color: var(--accent);
    }
    .nav-menu .nav-link::after { display: none; }

    .nav-menu #mobileCtaBtn {
        opacity: 1;
        transform: none;
        width: 100% !important;
        max-width: none !important;
        margin-top: 0.5rem;
        box-shadow: none;
    }

    .nav-toggle {
        display: block;
        z-index: 1000;
        position: relative;
        background: none;
        border: none;
        color: var(--text-white);
        font-size: 1.3rem;
        cursor: pointer;
        transition: color var(--transition);
    }
    .nav-toggle:hover {
        color: var(--accent);
    }
    .nav-actions .btn:not(.nav-toggle) { display: none; }

    .pain-grid { grid-template-columns: 1fr; }
    .solution-grid { grid-template-columns: 1fr; }
    .reviews-grid { grid-template-columns: 1fr; }
    .trainer-achievements { grid-template-columns: repeat(3, 1fr); }
    .results-summary { flex-direction: column; gap: 1.5rem; padding: 2rem; }
    .rscore-divider { width: 60px; height: 1px; }
    .footer-grid { grid-template-columns: 1fr; gap: 2rem; }
    .program-stats { grid-template-columns: 1fr 1fr; }
    .reg-form-row { grid-template-columns: 1fr; }
    .reg-select-grid { grid-template-columns: 1fr 1fr; }
    .register-wrap { gap: 2.5rem; }
}

@media (max-width: 576px) {
    .container { padding: 0 1rem; }
    .section { padding: 4rem 0; }
    .section-title { font-size: 1.85rem; }
    .hero-title { font-size: 2.2rem; }
    .hero-desc { font-size: 1rem; }

    .hero-media {
        display: flex;
        flex-direction: column;
        gap: 1rem;
        margin-top: 1rem;
    }
    .hero-stat-card.top,
    .hero-stat-card.bottom {
        position: static;
        width: 100%;
        transform: none;
        box-shadow: none;
        justify-content: center;
    }

    .offer-left, .offer-right { padding: 2rem 1.5rem; }
    .reg-form { padding: 1.5rem; }
    .reg-form-header { padding: 1.5rem 1.5rem 1.25rem; }
    .reg-success-wrap { padding: 2.5rem 1.5rem; }

    .countdown-wrap {
        justify-content: center;
    }
    .cdown-box {
        padding: 0.6rem 0.85rem;
    }
    .cdown-num {
        font-size: 1.6rem;
    }
    .cdown-label {
        font-size: 0.65rem;
    }
    .cdown-sep {
        font-size: 1.2rem;
        padding-bottom: 0.3rem;
    }
}

@media (max-width: 480px) {
    .hero-title { font-size: 1.95rem; }
    .hero-ctas { flex-direction: column; width: 100%; }
    .hero-ctas .btn { width: 100%; justify-content: center; }

    .trainer-achievements { grid-template-columns: 1fr; }
    .program-stats { grid-template-columns: 1fr; }
    .reg-select-grid { grid-template-columns: 1fr; }
}

@media (max-width: 360px) {
    .hero-title { font-size: 1.75rem; }
    .section-title { font-size: 1.65rem; }
    .badge { font-size: 0.72rem; }
}