/* ============================================
   DAYANARA'S NUTRITION CLUB — STYLESHEET
   Premium Dark Luxury | Plum + Amber
   ============================================ */

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

:root {
    --plum-950: #0d0514;
    --plum-900: #1a0a2e;
    --plum-800: #2a1045;
    --plum-700: #3d1760;
    --plum-600: #54207a;
    --plum-500: #6e2d9e;
    --plum-400: #8b4dc4;
    --plum-300: #a87de0;
    --plum-200: #c9aff0;
    --plum-100: #e8dff8;
    --plum-50: #f5effd;

    --amber-500: #d4a853;
    --amber-400: #e0bc73;
    --amber-300: #eccf93;
    --amber-200: #f5e0b8;
    --amber-100: #faf3e0;
    --amber-600: #b8923f;
    --amber-700: #9a7a33;

    --text-primary: #f5f0ff;
    --text-secondary: #c4b5d4;
    --text-muted: #8a7a9a;

    --gold-gradient: linear-gradient(135deg, #d4a853 0%, #e0bc73 50%, #b8923f 100%);
    --plum-gradient: linear-gradient(180deg, #1a0a2e 0%, #0d0514 100%);

    --font-display: 'Playfair Display', Georgia, serif;
    --font-body: 'Inter', system-ui, sans-serif;

    --radius-sm: 6px;
    --radius-md: 12px;
    --radius-lg: 20px;
    --radius-xl: 28px;

    --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-slow: 0.6s cubic-bezier(0.4, 0, 0.2, 1);
}

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

body {
    font-family: var(--font-body);
    background: var(--plum-950);
    color: var(--text-primary);
    line-height: 1.7;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    overflow-x: hidden;
}

img {
    max-width: 100%;
    height: auto;
    display: block;
}

a {
    color: var(--amber-500);
    text-decoration: none;
    transition: color var(--transition);
}

a:hover {
    color: var(--amber-300);
}

.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
}

/* Skip link */
.skip-link {
    position: absolute;
    top: -100%;
    left: 16px;
    background: var(--amber-500);
    color: var(--plum-950);
    padding: 8px 16px;
    border-radius: var(--radius-sm);
    z-index: 9999;
    font-weight: 600;
}

.skip-link:focus {
    top: 16px;
}

/* ---------- HEADER ---------- */
.site-header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    padding: 0 24px;
    transition: background var(--transition), box-shadow var(--transition);
}

.site-header.scrolled {
    background: rgba(13, 5, 20, 0.92);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    box-shadow: 0 1px 0 rgba(212, 168, 83, 0.1);
}

.header-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 80px;
}

.logo {
    display: flex;
    align-items: center;
    gap: 10px;
    text-decoration: none;
    color: var(--text-primary);
}

.logo-text {
    font-family: var(--font-display);
    font-size: 1.2rem;
    font-weight: 700;
    letter-spacing: -0.01em;
}

.logo-sub {
    font-family: var(--font-body);
    font-size: 0.7rem;
    font-weight: 400;
    color: var(--amber-500);
    text-transform: uppercase;
    letter-spacing: 0.15em;
    display: block;
    margin-top: -2px;
}

.logo-icon {
    flex-shrink: 0;
}

/* Navigation */
.main-nav {
    display: flex;
    align-items: center;
}

.main-nav ul {
    display: flex;
    list-style: none;
    gap: 8px;
}

.main-nav a {
    color: var(--text-secondary);
    font-size: 0.9rem;
    font-weight: 500;
    padding: 8px 16px;
    border-radius: var(--radius-sm);
    transition: color var(--transition), background var(--transition);
}

.main-nav a:hover {
    color: var(--text-primary);
    background: rgba(212, 168, 83, 0.08);
}

/* Mobile nav toggle */
.nav-toggle {
    display: none;
    background: none;
    border: none;
    cursor: pointer;
    padding: 8px;
    z-index: 1001;
}

.hamburger {
    display: block;
    width: 24px;
    height: 2px;
    background: var(--text-primary);
    position: relative;
    transition: background var(--transition), transform var(--transition);
}

.hamburger::before,
.hamburger::after {
    content: '';
    position: absolute;
    width: 24px;
    height: 2px;
    background: var(--text-primary);
    transition: transform var(--transition);
}

.hamburger::before {
    top: -7px;
}

.hamburger::after {
    top: 7px;
}

.nav-toggle[aria-expanded="true"] .hamburger {
    background: transparent;
}

.nav-toggle[aria-expanded="true"] .hamburger::before {
    transform: rotate(45deg) translate(5px, 5px);
}

.nav-toggle[aria-expanded="true"] .hamburger::after {
    transform: rotate(-45deg) translate(5px, -5px);
}

/* ---------- HERO ---------- */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    overflow: hidden;
    background: var(--plum-900);
}

.hero-bg {
    position: absolute;
    inset: 0;
    z-index: 0;
}

.hero-bg img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.hero-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(
        135deg,
        rgba(13, 5, 20, 0.88) 0%,
        rgba(26, 10, 46, 0.82) 40%,
        rgba(42, 16, 69, 0.72) 100%
    );
}

.hero-content {
    position: relative;
    z-index: 1;
    max-width: 720px;
    padding-top: 80px;
    padding-bottom: 60px;
}

.hero-eyebrow {
    font-family: var(--font-body);
    font-size: 0.8rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.2em;
    color: var(--amber-500);
    margin-bottom: 20px;
}

.hero-title {
    font-family: var(--font-display);
    font-size: clamp(2.2rem, 5vw, 3.8rem);
    font-weight: 700;
    line-height: 1.15;
    color: var(--text-primary);
    margin-bottom: 24px;
    letter-spacing: -0.02em;
}

.hero-title em {
    font-style: italic;
    color: var(--amber-400);
}

.hero-desc {
    font-size: 1.15rem;
    color: var(--text-secondary);
    line-height: 1.8;
    margin-bottom: 40px;
    max-width: 560px;
}

.hero-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 16px;
}

/* ---------- BUTTONS ---------- */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    font-family: var(--font-body);
    font-size: 0.95rem;
    font-weight: 600;
    padding: 14px 32px;
    border-radius: var(--radius-xl);
    border: none;
    cursor: pointer;
    text-decoration: none;
    transition: all var(--transition);
    white-space: nowrap;
}

.btn-primary {
    background: var(--gold-gradient);
    color: var(--plum-950);
    box-shadow: 0 4px 20px rgba(212, 168, 83, 0.3);
}

.btn-primary:hover {
    color: var(--plum-950);
    transform: translateY(-2px);
    box-shadow: 0 8px 30px rgba(212, 168, 83, 0.4);
}

.btn-secondary {
    background: transparent;
    color: var(--text-primary);
    border: 1.5px solid rgba(212, 168, 83, 0.4);
}

.btn-secondary:hover {
    color: var(--amber-400);
    border-color: var(--amber-500);
    background: rgba(212, 168, 83, 0.06);
}

.btn-ghost {
    background: rgba(255, 255, 255, 0.06);
    color: var(--text-primary);
    border: 1.5px solid rgba(255, 255, 255, 0.15);
}

.btn-ghost:hover {
    background: rgba(255, 255, 255, 0.1);
    color: var(--text-primary);
    border-color: rgba(255, 255, 255, 0.3);
}

.btn-full {
    width: 100%;
}

/* Hero scroll indicator */
.hero-scroll {
    position: absolute;
    bottom: 32px;
    left: 50%;
    transform: translateX(-50%);
    z-index: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
    color: var(--text-muted);
    font-size: 0.7rem;
    text-transform: uppercase;
    letter-spacing: 0.2em;
    animation: float 2.5s ease-in-out infinite;
}

@keyframes float {
    0%, 100% { transform: translateX(-50%) translateY(0); }
    50% { transform: translateX(-50%) translateY(6px); }
}

/* ---------- SECTION COMMON ---------- */
.section-eyebrow {
    font-size: 0.78rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.2em;
    color: var(--amber-500);
    margin-bottom: 12px;
}

.section-title {
    font-family: var(--font-display);
    font-size: clamp(1.8rem, 3.5vw, 2.8rem);
    font-weight: 700;
    line-height: 1.2;
    color: var(--text-primary);
    margin-bottom: 16px;
    letter-spacing: -0.02em;
}

.section-desc {
    font-size: 1.05rem;
    color: var(--text-secondary);
    max-width: 560px;
    line-height: 1.8;
}

section {
    padding: 100px 0;
}

/* ---------- FEATURES ---------- */
.features {
    background: var(--plum-900);
    position: relative;
}

.features::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, rgba(212, 168, 83, 0.2), transparent);
}

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

.section-header .section-desc {
    margin: 0 auto;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: 24px;
}

.feature-card {
    background: linear-gradient(135deg, rgba(42, 16, 69, 0.5) 0%, rgba(26, 10, 46, 0.8) 100%);
    border: 1px solid rgba(212, 168, 83, 0.08);
    border-radius: var(--radius-lg);
    padding: 40px 32px;
    transition: all var(--transition);
}

.feature-card:hover {
    border-color: rgba(212, 168, 83, 0.2);
    transform: translateY(-4px);
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3), 0 0 0 1px rgba(212, 168, 83, 0.1);
}

.feature-icon {
    margin-bottom: 20px;
}

.feature-card h3 {
    font-family: var(--font-display);
    font-size: 1.3rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 12px;
}

.feature-card p {
    font-size: 0.95rem;
    color: var(--text-secondary);
    line-height: 1.7;
}

/* ---------- SHOWCASE ---------- */
.showcase {
    background: var(--plum-950);
    padding: 100px 0;
}

.showcase-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 64px;
    align-items: center;
}

.showcase-image {
    border-radius: var(--radius-lg);
    overflow: hidden;
    position: relative;
}

.showcase-image::after {
    content: '';
    position: absolute;
    inset: 0;
    border-radius: var(--radius-lg);
    border: 1px solid rgba(212, 168, 83, 0.15);
    pointer-events: none;
}

.showcase-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    aspect-ratio: 6/7;
}

.showcase-text .section-desc {
    margin-bottom: 20px;
}

.showcase-text p {
    color: var(--text-secondary);
    font-size: 1rem;
    line-height: 1.8;
    margin-bottom: 16px;
}

.showcase-stats {
    display: flex;
    gap: 40px;
    margin-top: 40px;
    padding-top: 32px;
    border-top: 1px solid rgba(212, 168, 83, 0.1);
}

.stat {
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.stat-number {
    font-family: var(--font-display);
    font-size: 2rem;
    font-weight: 700;
    color: var(--amber-500);
    line-height: 1;
}

.stat-label {
    font-size: 0.82rem;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.1em;
}

/* ---------- ABOUT ---------- */
.about {
    background: var(--plum-900);
    position: relative;
}

.about::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, rgba(212, 168, 83, 0.2), transparent);
}

.about-inner {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 64px;
    align-items: center;
}

.about-content .section-desc {
    margin-bottom: 20px;
}

.about-content p {
    color: var(--text-secondary);
    font-size: 1rem;
    line-height: 1.8;
    margin-bottom: 16px;
}

.about-image {
    border-radius: var(--radius-lg);
    overflow: hidden;
    position: relative;
}

.about-image::after {
    content: '';
    position: absolute;
    inset: 0;
    border-radius: var(--radius-lg);
    border: 1px solid rgba(212, 168, 83, 0.15);
    pointer-events: none;
}

.about-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    aspect-ratio: 5/6;
}

/* ---------- CTA BANNER ---------- */
.cta-banner {
    background: linear-gradient(135deg, var(--plum-800) 0%, var(--plum-900) 50%, var(--plum-800) 100%);
    position: relative;
    overflow: hidden;
    padding: 80px 0;
}

.cta-banner::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -20%;
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, rgba(212, 168, 83, 0.06) 0%, transparent 70%);
    pointer-events: none;
}

.cta-inner {
    text-align: center;
    max-width: 640px;
    margin: 0 auto;
    position: relative;
    z-index: 1;
}

.cta-inner .section-eyebrow {
    margin-bottom: 16px;
}

.cta-title {
    font-family: var(--font-display);
    font-size: clamp(1.8rem, 3.5vw, 2.6rem);
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 16px;
    letter-spacing: -0.02em;
}

.cta-banner .cta-inner > p {
    color: var(--text-secondary);
    font-size: 1.05rem;
    line-height: 1.8;
    margin-bottom: 32px;
}

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

/* ---------- VISIT ---------- */
.visit {
    background: var(--plum-950);
}

.visit-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 48px;
    align-items: start;
}

.visit-info .section-desc {
    margin-bottom: 32px;
}

.visit-address p {
    font-style: normal;
    font-size: 1.1rem;
    color: var(--text-primary);
    line-height: 1.8;
    display: flex;
    align-items: flex-start;
    gap: 12px;
    margin-bottom: 20px;
}

.visit-phone {
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 1.1rem;
    margin-bottom: 32px;
}

.visit-phone a {
    color: var(--amber-400);
    font-weight: 600;
}

.visit-phone a:hover {
    color: var(--amber-300);
}

.visit-icon {
    flex-shrink: 0;
}

.visit-hours {
    padding: 24px 28px;
    background: linear-gradient(135deg, rgba(42, 16, 69, 0.5) 0%, rgba(26, 10, 46, 0.8) 100%);
    border: 1px solid rgba(212, 168, 83, 0.08);
    border-radius: var(--radius-md);
}

.visit-hours p {
    color: var(--text-secondary);
    font-size: 0.95rem;
    line-height: 1.8;
}

.visit-hours p:first-child {
    color: var(--amber-500);
    font-size: 0.78rem;
    text-transform: uppercase;
    letter-spacing: 0.15em;
    font-weight: 600;
    margin-bottom: 8px;
}

.visit-map {
    height: 400px;
    border-radius: var(--radius-md);
    overflow: hidden;
    border: 1px solid rgba(212, 168, 83, 0.1);
}

/* ---------- CONTACT ---------- */
.contact {
    background: var(--plum-900);
    position: relative;
}

.contact::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, rgba(212, 168, 83, 0.2), transparent);
}

.contact-inner {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 64px;
    align-items: start;
}

.contact-text .section-desc {
    margin-bottom: 8px;
}

.contact-text p:last-child {
    color: var(--text-secondary);
    font-size: 1rem;
    line-height: 1.8;
}

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

.form-group {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.form-group label {
    font-size: 0.85rem;
    font-weight: 500;
    color: var(--text-secondary);
    letter-spacing: 0.02em;
}

.form-group input,
.form-group textarea {
    background: rgba(42, 16, 69, 0.4);
    border: 1px solid rgba(212, 168, 83, 0.12);
    border-radius: var(--radius-md);
    padding: 14px 18px;
    color: var(--text-primary);
    font-family: var(--font-body);
    font-size: 0.95rem;
    line-height: 1.5;
    transition: border-color var(--transition), box-shadow var(--transition);
    width: 100%;
}

.form-group input::placeholder,
.form-group textarea::placeholder {
    color: var(--text-muted);
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--amber-500);
    box-shadow: 0 0 0 3px rgba(212, 168, 83, 0.1);
}

.form-group textarea {
    resize: vertical;
    min-height: 120px;
}

.form-success {
    text-align: center;
    padding: 16px;
    background: rgba(212, 168, 83, 0.08);
    border: 1px solid rgba(212, 168, 83, 0.2);
    border-radius: var(--radius-md);
    color: var(--amber-300);
    font-size: 0.95rem;
}

/* ---------- FOOTER ---------- */
.site-footer {
    background: var(--plum-950);
    padding: 64px 0 0;
    border-top: 1px solid rgba(212, 168, 83, 0.08);
}

.footer-inner {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr;
    gap: 48px;
    padding-bottom: 48px;
}

.footer-brand p {
    color: var(--text-muted);
    font-size: 0.9rem;
    line-height: 1.7;
    margin-top: 16px;
    max-width: 280px;
}

.footer-links p,
.footer-contact p {
    color: var(--text-muted);
    font-size: 0.9rem;
    line-height: 1.7;
}

.footer-links p:first-child,
.footer-contact p:first-child {
    color: var(--text-primary);
    font-size: 0.78rem;
    text-transform: uppercase;
    letter-spacing: 0.15em;
    font-weight: 600;
    margin-bottom: 12px;
}

.footer-links ul {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.footer-links a {
    color: var(--text-muted);
    font-size: 0.9rem;
}

.footer-links a:hover {
    color: var(--amber-500);
}

.footer-bottom {
    border-top: 1px solid rgba(212, 168, 83, 0.06);
    padding: 24px 0;
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 12px;
}

.footer-bottom p {
    color: var(--text-muted);
    font-size: 0.82rem;
}

.footer-bottom a {
    color: var(--text-muted);
    font-size: 0.82rem;
}

.footer-bottom a:hover {
    color: var(--amber-500);
}

/* ---------- BACK TO TOP ---------- */
.back-to-top {
    position: fixed;
    bottom: 32px;
    right: 32px;
    width: 48px;
    height: 48px;
    background: var(--plum-800);
    border: 1px solid rgba(212, 168, 83, 0.2);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--amber-500);
    cursor: pointer;
    z-index: 900;
    opacity: 0;
    visibility: hidden;
    transform: translateY(16px);
    transition: all var(--transition);
}

.back-to-top.visible {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.back-to-top:hover {
    background: var(--plum-700);
    border-color: rgba(212, 168, 83, 0.4);
    transform: translateY(-2px);
}

/* ---------- SCROLL REVEAL (progressive enhancement) ---------- */
@media (prefers-reduced-motion: no-preference) {
    .reveal {
        opacity: 0;
        transform: translateY(24px);
        transition: opacity 0.7s cubic-bezier(0.4, 0, 0.2, 1), transform 0.7s cubic-bezier(0.4, 0, 0.2, 1);
    }

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

    .reveal-delay-1 { transition-delay: 0.1s; }
    .reveal-delay-2 { transition-delay: 0.2s; }
    .reveal-delay-3 { transition-delay: 0.3s; }
    .reveal-delay-4 { transition-delay: 0.4s; }
}

/* ---------- MOBILE NAV ---------- */
@media (max-width: 768px) {
    .nav-toggle {
        display: block;
    }

    .main-nav {
        position: fixed;
        top: 0;
        right: 0;
        width: 280px;
        height: 100vh;
        background: rgba(13, 5, 20, 0.97);
        backdrop-filter: blur(20px);
        -webkit-backdrop-filter: blur(20px);
        padding: 100px 32px 32px;
        transform: translateX(100%);
        transition: transform var(--transition);
        border-left: 1px solid rgba(212, 168, 83, 0.1);
    }

    .main-nav.open {
        transform: translateX(0);
    }

    .main-nav ul {
        flex-direction: column;
        gap: 4px;
    }

    .main-nav a {
        display: block;
        padding: 12px 16px;
        font-size: 1rem;
    }

    .hero-content {
        padding-top: 100px;
    }

    .hero-actions {
        flex-direction: column;
    }

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

    .showcase-grid,
    .about-inner,
    .visit-grid,
    .contact-inner {
        grid-template-columns: 1fr;
        gap: 40px;
    }

    .showcase-image {
        order: -1;
    }

    .about-image {
        order: -1;
    }

    .showcase-stats {
        gap: 24px;
    }

    .footer-inner {
        grid-template-columns: 1fr;
        gap: 32px;
    }

    .footer-bottom {
        flex-direction: column;
        text-align: center;
    }

    .cta-actions {
        flex-direction: column;
        align-items: center;
    }

    .cta-actions .btn {
        width: 100%;
        max-width: 300px;
        text-align: center;
    }

    .visit-map {
        height: 280px;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 20px;
    }

    section {
        padding: 72px 0;
    }

    .feature-card {
        padding: 28px 24px;
    }

    .showcase-stats {
        flex-direction: column;
        gap: 20px;
    }
}

/* ---------- REDUCED MOTION ---------- */
@media (prefers-reduced-motion: reduce) {
    *, *::before, *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }

    html {
        scroll-behavior: auto;
    }

    .reveal {
        opacity: 1;
        transform: none;
    }

    .back-to-top {
        transition: none;
    }
}