/* VARIABLES BASE */
:root {
    --heart-bg: #0d1117;
    --pulse-surface: #161b22;
    --vein-accent: #00e5ff;
    --vein-accent-glow: rgba(0, 229, 255, 0.4);
    --blood-ink: #ffffff;
    --blood-ink-muted: #8b949e;
    --cardio-gradient: linear-gradient(135deg, #00e5ff, #0077ff);
    
    --font-display: 'Playfair Display', serif;
    --font-body: 'Lato', sans-serif;
    
    --space-y: 10dvh;
    --radius-soft: 16px;
}

/* RESET */
* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
    background-color: var(--heart-bg);
    color: var(--blood-ink);
    font-family: var(--font-body);
    line-height: 1.6;
    overflow-x: hidden;
}
a { text-decoration: none; color: inherit; }
ul { list-style: none; }
img { max-width: 100%; display: block; }

/* TYPOGRAPHY */
h1, h2, h3 { font-family: var(--font-display); font-weight: 700; color: var(--blood-ink); }
h1 { font-size: clamp(2.5rem, 5vw, 4rem); line-height: 1.1; margin-bottom: 20px; }
h2 { font-size: clamp(2rem, 3.5vw, 2.8rem); margin-bottom: 20px; }
h3 { font-size: 1.4rem; margin-bottom: 10px; }
p { margin-bottom: 15px; font-size: 1.05rem; }

/* SHARED LAYOUT */
.vascular-wrap { width: 90%; max-width: 1200px; margin: 0 auto; }
.flex-spread { display: flex; justify-content: space-between; align-items: center; }
.text-center { text-align: center; }
.relative-content { position: relative; z-index: 2; }
.dark-overlay { position: absolute; inset: 0; background: rgba(13, 17, 23, 0.7); z-index: 1; pointer-events: none;}

/* HEADER (Preset D) */
.pulse-top {
    position: sticky;
    top: 0;
    width: 100%;
    background: rgba(13, 17, 23, 0.85);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    z-index: 100;
    padding: 15px 0;
    border-bottom: 1px solid rgba(255,255,255,0.05);
}
.brand-identity {
    display: flex;
    align-items: center;
    gap: 10px;
    font-family: var(--font-display);
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--blood-ink);
}
.brand-identity svg {
    width: 28px;
    height: 28px;
    color: var(--vein-accent);
    filter: drop-shadow(0 0 8px var(--vein-accent-glow));
}
.flow-nav { display: flex; gap: 30px; }
.flow-nav a {
    font-size: 0.95rem;
    font-weight: 400;
    transition: color 0.3s ease, text-shadow 0.3s ease;
}
.flow-nav a:hover {
    color: var(--vein-accent);
    text-shadow: 0 0 8px var(--vein-accent-glow);
}

/* MOBILE MENU */
.mobile-check { display: none; }
.hamburger-icon { display: none; flex-direction: column; gap: 5px; cursor: pointer; z-index: 101; }
.hamburger-icon span {
    width: 25px; height: 2px; background: var(--blood-ink); transition: 0.3s;
}

@media (max-width: 768px) {
    .hamburger-icon { display: flex; }
    .flow-nav {
        position: fixed; top: 0; right: -100%; width: 250px; height: 100vh;
        background: var(--pulse-surface);
        flex-direction: column; padding: 80px 30px;
        transition: right 0.3s ease;
        box-shadow: -5px 0 20px rgba(0,0,0,0.5);
    }
    .mobile-check:checked ~ .flow-nav { right: 0; }
    .mobile-check:checked ~ .hamburger-icon span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
    .mobile-check:checked ~ .hamburger-icon span:nth-child(2) { opacity: 0; }
    .mobile-check:checked ~ .hamburger-icon span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }
}

/* UI ELEMENTS (Buttons replacement) */
.action-trigger {
    display: inline-block;
    padding: 14px 28px;
    background: transparent;
    color: var(--vein-accent);
    border: 1px solid var(--vein-accent);
    border-radius: var(--radius-soft);
    font-size: 1rem;
    font-weight: 700;
    cursor: pointer;
    transition: all 0.3s ease;
    text-align: center;
    box-shadow: 0 0 15px var(--vein-accent-glow);
}
.action-trigger:hover {
    background: var(--vein-accent);
    color: var(--heart-bg);
    box-shadow: 0 0 25px var(--vein-accent-glow);
}
.action-ghost {
    display: inline-block;
    padding: 14px 28px;
    background: transparent;
    color: var(--blood-ink);
    border: 1px solid var(--blood-ink-muted);
    border-radius: var(--radius-soft);
    font-size: 1rem;
    cursor: pointer;
    transition: all 0.3s ease;
}
.action-ghost:hover {
    border-color: var(--vein-accent);
    color: var(--vein-accent);
}

/* INDEX HERO (Preset D) */
.cardio-lead {
    height: 100vh;
    background-size: cover;
    background-position: center;
    position: relative;
    display: flex;
    align-items: center;
}
.cardio-lead::before {
    content: ''; position: absolute; inset: 0;
    background: rgba(13, 17, 23, 0.65);
    z-index: 1;
}
.glass-panel {
    position: relative;
    z-index: 2;
    width: 100%;
    max-width: 650px;
    background: rgba(255, 255, 255, 0.05);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border: 1px solid rgba(255, 255, 255, 0.1);
    padding: 40px;
    border-radius: var(--radius-soft);
    box-shadow: 0 10px 30px rgba(0,0,0,0.5);
}
@media (max-width: 768px) {
    .glass-panel { padding: 25px; }
}

/* INFO SEGMENT */
.health-segment {
    padding: var(--space-y) 0;
    background: var(--heart-bg);
}
.dual-layout {
    display: flex;
    align-items: center;
    gap: 50px;
}
.vision-box {
    flex: 1;
    position: relative;
}
.vision-img {
    width: 100%;
    height: 500px;
    object-fit: cover;
    border-radius: var(--radius-soft);
    opacity: 0.8;
}
.insight-box {
    flex: 1;
}
.point-list li {
    position: relative;
    padding-left: 25px;
    margin-bottom: 12px;
    color: var(--blood-ink-muted);
}
.point-list li span {
    position: absolute;
    left: 0;
    top: 6px;
    width: 8px;
    height: 8px;
    background: var(--vein-accent);
    border-radius: 50%;
    box-shadow: 0 0 8px var(--vein-accent-glow);
}
@media (max-width: 900px) {
    .dual-layout { flex-direction: column; }
    .vision-img { height: 350px; }
}

/* GLASS GRID (Features) */
.perks-zone {
    padding: var(--space-y) 0;
    background: var(--pulse-surface);
}
.glass-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
}
.glass-item {
    background: rgba(255, 255, 255, 0.03);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border: 1px solid rgba(255,255,255,0.05);
    border-top: 3px solid var(--vein-accent);
    padding: 40px 30px;
    border-radius: var(--radius-soft);
    transition: transform 0.3s ease, border-color 0.3s ease;
}
.glass-item:hover {
    transform: translateY(-5px);
    border-top-color: #fff;
    box-shadow: 0 10px 30px rgba(0,229,255,0.1);
}
.glass-item svg {
    width: 32px; height: 32px;
    color: var(--vein-accent);
    margin-bottom: 20px;
    filter: drop-shadow(0 0 5px var(--vein-accent-glow));
}
.glass-item p { color: var(--blood-ink-muted); font-size: 0.95rem; }

/* HOW IT WORKS (Vertical Track) */
.pathway-zone {
    padding: var(--space-y) 0;
    background: var(--heart-bg);
}
.vertical-track {
    position: relative;
    max-width: 800px;
    margin: 0 auto;
    padding-left: 40px;
}
.vertical-track::before {
    content: '';
    position: absolute;
    left: 14px;
    top: 0;
    bottom: 0;
    width: 2px;
    background: var(--vein-accent);
    box-shadow: 0 0 10px var(--vein-accent-glow);
}
.track-step {
    position: relative;
    margin-bottom: 50px;
}
.track-step:last-child { margin-bottom: 0; }
.step-orb {
    position: absolute;
    left: -40px;
    top: 0;
    width: 30px;
    height: 30px;
    background: var(--heart-bg);
    border: 2px solid var(--vein-accent);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: bold;
    color: var(--vein-accent);
    box-shadow: 0 0 15px var(--vein-accent-glow);
    z-index: 2;
}
.step-detail h3 { color: var(--blood-ink); }
.step-detail p { color: var(--blood-ink-muted); }

/* CTA STRIP */
.vision-strip {
    padding: 8dvh 0;
    background: var(--pulse-surface);
    border-top: 1px solid rgba(255,255,255,0.05);
}
.strip-flex {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 30px;
}
@media (max-width: 768px) {
    .strip-flex { flex-direction: column; text-align: center; }
}

/* EXPERT PAGE SPECIFICS */
.logic-lead {
    padding: 14dvh 0 8dvh;
    background-size: cover;
    background-position: center;
    position: relative;
}
.logic-lead::before {
    content: ''; position: absolute; inset: 0;
    background: var(--heart-bg); opacity: 0.85; z-index: 1;
}
.logic-lead div { position: relative; z-index: 2; }

.accord-zone { padding: var(--space-y) 0; }
.accord-box { max-width: 800px; margin: 0 auto; display: flex; flex-direction: column; gap: 20px; }
.accord-item {
    background: var(--pulse-surface);
    padding: 25px 30px;
    border-radius: var(--radius-soft);
    border-left: 2px solid var(--vein-accent);
    position: relative;
}
.accord-item::before {
    content: ''; position: absolute; left: -2px; top: 20px; width: 2px; height: 30px; background: #fff;
    box-shadow: 0 0 10px #fff;
}
.accord-item h3 { margin-bottom: 10px; }
.accord-item p { color: var(--blood-ink-muted); margin-bottom: 0; }

.visual-full-zone {
    position: relative;
    padding: 15dvh 0;
    background-size: cover;
    background-attachment: fixed;
}

.metrics-zone { padding: var(--space-y) 0; background: var(--heart-bg); }
.metrics-row { display: flex; justify-content: space-around; flex-wrap: wrap; gap: 30px; }
.metric-block { text-align: center; }
.m-number { display: block; font-size: 3.5rem; font-family: var(--font-display); color: var(--vein-accent); line-height: 1; margin-bottom: 10px; text-shadow: 0 0 15px var(--vein-accent-glow); }
.m-label { color: var(--blood-ink-muted); font-size: 1.1rem; }

/* RESERVE PAGE SPECIFICS */
.reserve-lead {
    padding: 12dvh 0;
    min-height: 80vh;
    background-size: cover;
    background-position: center;
    position: relative;
    display: flex;
    align-items: center;
}
.center-stack { display: flex; flex-direction: column; align-items: center; }
.glass-form-board {
    width: 100%;
    max-width: 700px;
    background: rgba(22, 27, 34, 0.8);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 1px solid rgba(255, 255, 255, 0.1);
    padding: 40px;
    border-radius: var(--radius-soft);
    box-shadow: 0 20px 40px rgba(0,0,0,0.6);
}
.booking-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
.full-span { grid-column: 1 / -1; }
.input-group label { display: block; margin-bottom: 8px; color: var(--blood-ink-muted); font-size: 0.9rem; }
.input-group input[type="text"],
.input-group input[type="tel"],
.input-group textarea {
    width: 100%;
    padding: 14px;
    background: rgba(0,0,0,0.3);
    border: 1px solid rgba(255,255,255,0.1);
    color: var(--blood-ink);
    border-radius: 8px;
    font-family: inherit;
    outline: none;
    transition: border-color 0.3s;
}
.input-group input:focus, .input-group textarea:focus { border-color: var(--vein-accent); }
.check-rule { display: flex; gap: 10px; align-items: flex-start; }
.check-rule input { margin-top: 5px; }
.check-rule label { font-size: 0.85rem; line-height: 1.4; color: var(--blood-ink-muted); margin-bottom: 0; }
.check-rule a { color: var(--vein-accent); text-decoration: underline; }

@media (max-width: 600px) {
    .booking-grid { grid-template-columns: 1fr; }
    .glass-form-board { padding: 25px; }
}

.cards-inform-zone { padding: var(--space-y) 0; background: var(--pulse-surface); }
.dot-list { margin-top: 15px; }
.dot-list li {
    position: relative; padding-left: 20px; margin-bottom: 8px; font-size: 0.9rem; color: var(--blood-ink-muted);
}
.dot-list li::before {
    content: ''; position: absolute; left: 0; top: 8px; width: 6px; height: 6px; border-radius: 50%; background: var(--vein-accent);
}

.faq-zone { padding: var(--space-y) 0; background: var(--heart-bg); }

/* FOOTER */
.base-ground {
    background: #090b0f;
    padding: 6dvh 0 3dvh;
    border-top: 1px solid rgba(255,255,255,0.05);
}
.foot-spread {
    display: flex; justify-content: space-between; align-items: center; margin-bottom: 40px; padding-bottom: 30px; border-bottom: 1px solid rgba(255,255,255,0.05);
}
.foot-links { display: flex; gap: 20px; }
.foot-links a { color: var(--blood-ink-muted); font-size: 0.9rem; transition: color 0.3s; }
.foot-links a:hover { color: var(--vein-accent); }
.disclaimer-box p { font-size: 0.85rem; color: #666; margin-bottom: 10px; }

@media (max-width: 768px) {
    .foot-spread { flex-direction: column; gap: 20px; text-align: center; }
    .foot-links { flex-direction: column; gap: 10px; }
}

/* COOKIE BANNER */
.consent-glass {
    position: fixed; bottom: 0; left: 0; width: 100%;
    background: rgba(22, 27, 34, 0.95);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border-top: 1px solid var(--vein-accent);
    padding: 20px;
    z-index: 9999;
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 20px;
}
.consent-glass p { margin: 0; font-size: 0.9rem; color: var(--blood-ink-muted); flex: 1; }
.consent-actions { display: flex; gap: 10px; }
@media (max-width: 600px) {
    .consent-glass { flex-direction: column; text-align: center; }
}