/* ============================================
   Kidson 營養師 — Design System
   ============================================ */
:root {
    --color-primary: #2D6A4F;
    --color-primary-dark: #1B4332;
    --color-primary-light: #40916C;
    --color-accent: #52B788;
    --color-accent-soft: #95D5B2;
    --color-warm: #F8F5F0;
    --color-warm-dark: #EDE8DF;
    --color-surface: #FFFFFF;
    --color-text: #2C3338;
    --color-text-muted: #6B7280;
    --color-gold: #C9A962;
    --shadow-sm: 0 2px 8px rgba(27, 67, 50, 0.06);
    --shadow-md: 0 8px 24px rgba(27, 67, 50, 0.10);
    --shadow-lg: 0 16px 48px rgba(27, 67, 50, 0.14);
    --radius-sm: 8px;
    --radius-md: 16px;
    --radius-lg: 24px;
    --radius-full: 9999px;
    --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --font-display: 'Noto Serif TC', 'Noto Sans TC', serif;
    --font-body: 'Noto Sans TC', sans-serif;
}

/* ---- Base ---- */
html {
    scroll-behavior: smooth;
    overflow-x: hidden;
}

body {
    font-family: var(--font-body);
    line-height: 1.7;
    color: var(--color-text);
    background-color: var(--color-warm);
    margin: 0;
    padding: 0;
    -webkit-font-smoothing: antialiased;
}

::selection {
    background: var(--color-accent-soft);
    color: var(--color-primary-dark);
}

.text-primary {
    color: var(--color-primary) !important;
}

.section {
    padding: 80px 0;
    position: relative;
}

/* ---- Section Headers ---- */
.section-header {
    text-align: center;
    margin-bottom: 3.5rem;
}

.section-label {
    display: inline-block;
    font-size: 0.8rem;
    font-weight: 600;
    letter-spacing: 0.15em;
    text-transform: uppercase;
    color: var(--color-primary-light);
    background: rgba(64, 145, 108, 0.12);
    padding: 0.4rem 1rem;
    border-radius: var(--radius-full);
    margin-bottom: 0.75rem;
}

.section-title {
    font-family: var(--font-display);
    font-size: 2.25rem;
    font-weight: 700;
    color: var(--color-primary-dark);
    margin-bottom: 0.75rem;
    line-height: 1.3;
}

.section-subtitle {
    font-size: 1.05rem;
    color: var(--color-text-muted);
    max-width: 560px;
    margin: 0 auto;
}

.section-divider {
    width: 48px;
    height: 3px;
    background: linear-gradient(90deg, var(--color-accent), var(--color-primary-light));
    border-radius: var(--radius-full);
    margin: 1rem auto 0;
}

/* ---- Navbar ---- */
.navbar {
    background: transparent;
    padding: 1rem 0;
    transition: all var(--transition);
}

.navbar.scrolled {
    background: rgba(27, 67, 50, 0.92);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    box-shadow: var(--shadow-md);
    padding: 0.6rem 0;
}

.navbar-brand {
    font-family: var(--font-display);
    font-weight: 700;
    font-size: 1.35rem;
    letter-spacing: 0.02em;
    color: #fff !important;
}

.nav-link {
    position: relative;
    padding: 0.5rem 1rem !important;
    color: rgba(255, 255, 255, 0.88) !important;
    font-weight: 500;
    font-size: 0.95rem;
    transition: color var(--transition);
}

.nav-link:hover,
.nav-link.active {
    color: var(--color-accent-soft) !important;
}

.nav-link::after {
    content: '';
    position: absolute;
    width: 0;
    height: 2px;
    bottom: 0;
    left: 50%;
    background: var(--color-accent);
    transition: width var(--transition), left var(--transition);
    border-radius: var(--radius-full);
}

.nav-link:hover::after,
.nav-link.active::after {
    width: 60%;
    left: 20%;
}

.navbar-toggler {
    border-color: rgba(255, 255, 255, 0.3);
    padding: 0.35rem 0.55rem;
}

.navbar-toggler:focus {
    box-shadow: 0 0 0 3px rgba(82, 183, 136, 0.35);
}

/* ---- Hero ---- */
.hero-section {
    background:
        linear-gradient(135deg, rgba(27, 67, 50, 0.82) 0%, rgba(45, 106, 79, 0.65) 50%, rgba(64, 145, 108, 0.45) 100%),
        url('../img/hero_premium.jpg');
    background-size: cover;
    background-position: center;
    background-attachment: fixed;
    min-height: 88vh;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.hero-section::before {
    content: '';
    position: absolute;
    inset: 0;
    background:
        radial-gradient(ellipse at 20% 80%, rgba(82, 183, 136, 0.25) 0%, transparent 50%),
        radial-gradient(ellipse at 80% 20%, rgba(201, 169, 98, 0.15) 0%, transparent 40%);
    z-index: 1;
    pointer-events: none;
}

.hero-section::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 0;
    right: 0;
    height: 80px;
    background: var(--color-warm);
    clip-path: ellipse(55% 100% at 50% 100%);
    z-index: 2;
}

.hero-content {
    position: relative;
    z-index: 3;
    max-width: 720px;
    padding: 0 1.5rem;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    background: rgba(255, 255, 255, 0.15);
    backdrop-filter: blur(8px);
    border: 1px solid rgba(255, 255, 255, 0.25);
    border-radius: var(--radius-full);
    padding: 0.45rem 1.1rem;
    font-size: 0.85rem;
    font-weight: 500;
    margin-bottom: 1.5rem;
    letter-spacing: 0.05em;
}

.hero-badge i {
    color: var(--color-accent-soft);
}

.hero-section h1 {
    font-family: var(--font-display);
    font-size: clamp(2rem, 5vw, 3.25rem);
    font-weight: 700;
    line-height: 1.25;
    text-shadow: 0 2px 20px rgba(0, 0, 0, 0.25);
    margin-bottom: 1.25rem;
}

.hero-section .lead {
    font-size: clamp(1rem, 2.5vw, 1.25rem);
    opacity: 0.92;
    font-weight: 300;
    margin-bottom: 2rem;
    line-height: 1.8;
}

.hero-actions {
    display: flex;
    gap: 1rem;
    justify-content: center;
    flex-wrap: wrap;
}

.hero-stats {
    display: inline-flex;
    justify-content: center;
    gap: 2.5rem;
    margin-top: 3rem;
    padding: 1.25rem 2.5rem;
    background: rgba(0, 0, 0, 0.35);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.18);
    border-radius: var(--radius-lg);
}

.hero-stat {
    text-align: center;
    min-width: 90px;
}

.hero-stat-number {
    font-family: var(--font-display);
    font-size: 2rem;
    font-weight: 700;
    color: #FFFFFF;
    text-shadow: 0 2px 12px rgba(0, 0, 0, 0.35);
    display: block;
    line-height: 1.2;
    margin-bottom: 0.25rem;
}

.hero-stat-label {
    font-size: 0.85rem;
    font-weight: 500;
    color: rgba(255, 255, 255, 0.95);
    letter-spacing: 0.04em;
    text-shadow: 0 1px 4px rgba(0, 0, 0, 0.25);
}

/* ---- Buttons ---- */
.btn-primary {
    background: linear-gradient(135deg, var(--color-primary-light), var(--color-primary));
    border: none;
    border-radius: var(--radius-full);
    padding: 0.75rem 2rem;
    font-weight: 600;
    letter-spacing: 0.02em;
    box-shadow: 0 4px 16px rgba(45, 106, 79, 0.35);
    transition: all var(--transition);
}

.btn-primary:hover,
.btn-primary:focus {
    background: linear-gradient(135deg, var(--color-accent), var(--color-primary-light));
    transform: translateY(-2px);
    box-shadow: 0 8px 24px rgba(45, 106, 79, 0.4);
}

.btn-outline-light {
    border-radius: var(--radius-full);
    padding: 0.75rem 2rem;
    font-weight: 600;
    border: 2px solid rgba(255, 255, 255, 0.6);
    transition: all var(--transition);
}

.btn-outline-light:hover {
    background: rgba(255, 255, 255, 0.15);
    border-color: #fff;
    transform: translateY(-2px);
}

.btn-lg {
    padding: 0.875rem 2.25rem;
    font-size: 1.05rem;
}

/* ---- Page Headers (subpages) ---- */
.contact-header {
    background:
        linear-gradient(135deg, rgba(27, 67, 50, 0.88) 0%, rgba(45, 106, 79, 0.75) 100%),
        url('../img/hero_premium.jpg');
    background-size: cover;
    background-position: center;
    min-height: 320px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    text-align: center;
    position: relative;
}

.contact-header::after {
    content: '';
    position: absolute;
    bottom: -1px;
    left: 0;
    right: 0;
    height: 50px;
    background: var(--color-warm);
    clip-path: ellipse(55% 100% at 50% 100%);
}

.contact-header .container {
    position: relative;
    z-index: 2;
    padding-top: 80px;
}

.contact-header h1 {
    font-family: var(--font-display);
    font-weight: 700;
    margin-bottom: 0.75rem;
}

.contact-header .lead {
    opacity: 0.9;
    font-weight: 300;
}

/* ---- Background Sections ---- */
.section.bg-light {
    background: linear-gradient(180deg, var(--color-warm-dark) 0%, var(--color-warm) 100%) !important;
}

.section.bg-white {
    background: var(--color-surface) !important;
}

/* ---- Service Cards ---- */
.service-card,
.card {
    border: none;
    border-radius: var(--radius-md);
    background: var(--color-surface);
    box-shadow: var(--shadow-sm);
    transition: all var(--transition);
    overflow: hidden;
    position: relative;
}

.service-card::before,
#services .card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, var(--color-primary), var(--color-accent));
    opacity: 0;
    transition: opacity var(--transition);
}

.service-card:hover,
.card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-lg);
}

.service-card:hover::before,
#services .card:hover::before {
    opacity: 1;
}

.card-body {
    padding: 2rem 1.75rem;
}

/* ---- Service Card Images ---- */
.service-card-img {
    height: 170px;
    overflow: hidden;
    position: relative;
}

.service-card-img::after {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(180deg, transparent 55%, rgba(27, 67, 50, 0.35) 100%);
    pointer-events: none;
}

.service-card-img img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.6s cubic-bezier(0.4, 0, 0.2, 1);
}

.service-card:hover .service-card-img img {
    transform: scale(1.08);
}

.service-card-img + .card-body .icon-wrap {
    margin-top: -56px;
    position: relative;
    z-index: 2;
    background: var(--color-surface);
    box-shadow: var(--shadow-md);
    border: 3px solid var(--color-surface);
}

.icon-wrap {
    width: 72px;
    height: 72px;
    border-radius: var(--radius-md);
    background: linear-gradient(135deg, rgba(64, 145, 108, 0.12), rgba(82, 183, 136, 0.08));
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1.25rem;
    transition: all var(--transition);
}

.icon-wrap i {
    font-size: 1.75rem;
    color: var(--color-primary);
    transition: transform var(--transition);
}

.service-card:hover .icon-wrap,
.card:hover .icon-wrap {
    background: linear-gradient(135deg, var(--color-primary-light), var(--color-accent));
}

.service-card:hover .icon-wrap i,
.card:hover .icon-wrap i {
    color: #fff;
    transform: scale(1.1);
}

.card i.fa-3x {
    transition: transform var(--transition);
}

.card:hover i.fa-3x {
    transform: scale(1.1);
}

.card-title {
    font-family: var(--font-display);
    font-weight: 600;
    font-size: 1.15rem;
    color: var(--color-primary-dark);
    margin-bottom: 0.75rem;
}

.card-text {
    color: var(--color-text-muted);
    font-size: 0.95rem;
    line-height: 1.75;
}

.service-card {
    transition: transform 0.3s;
    border: none;
    box-shadow: var(--shadow-sm);
}

.service-card:hover {
    transform: translateY(-10px);
}

.service-icon {
    font-size: 3rem;
    color: var(--color-primary);
    margin-bottom: 1rem;
}

.service-detail {
    padding: 60px 0;
}

.card-text-service {
    font-size: 1.3rem;
}

/* ---- About Section ---- */
#about .about-image-wrap {
    position: relative;
    display: inline-block;
}

#about .about-image-wrap::before {
    content: '';
    position: absolute;
    inset: -12px;
    border: 2px solid var(--color-accent-soft);
    border-radius: var(--radius-lg);
    z-index: 0;
}

#about .about-image-wrap::after {
    content: '';
    position: absolute;
    bottom: -20px;
    right: -20px;
    width: 120px;
    height: 120px;
    background: linear-gradient(135deg, var(--color-accent-soft), transparent);
    border-radius: var(--radius-lg);
    z-index: -1;
    opacity: 0.5;
}

#about img {
    border-radius: var(--radius-lg);
    transition: transform var(--transition);
    position: relative;
    z-index: 1;
    box-shadow: var(--shadow-lg);
}

#about img:hover {
    transform: scale(1.02);
}

#about h3 {
    font-family: var(--font-display);
    color: var(--color-primary-dark);
}

#about .list-unstyled li {
    background: var(--color-surface);
    padding: 1rem 1.15rem;
    border-radius: var(--radius-sm);
    margin-bottom: 0.75rem;
    border-left: 3px solid var(--color-accent);
    box-shadow: var(--shadow-sm);
    transition: all var(--transition);
}

#about .list-unstyled li:hover {
    background: rgba(149, 213, 178, 0.15);
    transform: translateX(4px);
}

#about .list-unstyled li i {
    color: var(--color-primary-light) !important;
}

#about .btn-primary {
    background: linear-gradient(135deg, var(--color-primary-light), var(--color-primary));
    border: none;
}

/* ---- FAQ / Accordion ---- */
#faq .accordion {
    --bs-accordion-border-radius: var(--radius-md);
    --bs-accordion-inner-border-radius: var(--radius-md);
}

#faq .accordion-item {
    border: none;
    margin-bottom: 0.75rem;
    border-radius: var(--radius-md) !important;
    overflow: hidden;
    box-shadow: var(--shadow-sm);
    background: var(--color-surface);
}

#faq .accordion-button {
    font-weight: 600;
    color: var(--color-primary-dark);
    background: var(--color-surface);
    padding: 1.15rem 1.5rem;
    box-shadow: none !important;
}

#faq .accordion-button:not(.collapsed) {
    background: linear-gradient(135deg, rgba(64, 145, 108, 0.08), rgba(82, 183, 136, 0.05));
    color: var(--color-primary);
}

#faq .accordion-button::after {
    background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16' fill='%232D6A4F'%3e%3cpath fill-rule='evenodd' d='M1.646 4.646a.5.5 0 0 1 .708 0L8 10.293l5.646-5.647a.5.5 0 0 1 .708.708l-6 6a.5.5 0 0 1-.708 0l-6-6a.5.5 0 0 1 0-.708z'/%3e%3c/svg%3e");
}

#faq .accordion-body {
    color: var(--color-text-muted);
    padding: 0 1.5rem 1.25rem;
    line-height: 1.8;
}

#faq .accordion-body a {
    color: var(--color-primary-light);
    font-weight: 600;
}

/* ---- Testimonials ---- */
.testimonial-card {
    background: var(--color-surface);
    border-radius: var(--radius-lg);
    padding: 2.5rem;
    box-shadow: var(--shadow-md);
    position: relative;
    border: 1px solid rgba(149, 213, 178, 0.3);
}

.testimonial-card::before {
    content: '\201C';
    font-family: var(--font-display);
    font-size: 5rem;
    color: var(--color-accent-soft);
    position: absolute;
    top: -10px;
    left: 20px;
    line-height: 1;
    opacity: 0.6;
}

.testimonial-stars {
    color: var(--color-gold);
    font-size: 1.1rem;
    letter-spacing: 2px;
    margin-bottom: 1rem;
}

.testimonial-text {
    font-size: 1.05rem;
    font-style: italic;
    color: var(--color-text);
    line-height: 1.85;
    position: relative;
    z-index: 1;
}

.testimonial-author {
    color: var(--color-text-muted);
    font-weight: 500;
    margin-top: 1.25rem;
    padding-top: 1rem;
    border-top: 1px solid var(--color-warm-dark);
}

#testimonials img {
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
}

/* ---- Contact ---- */
.contact-info {
    padding: 50px 0;
}

.contact-info-card {
    background: var(--color-surface);
    border-radius: var(--radius-md);
    padding: 2rem;
    box-shadow: var(--shadow-sm);
    transition: all var(--transition);
    height: 100%;
    border: 1px solid transparent;
}

.contact-info-card:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow-md);
    border-color: var(--color-accent-soft);
}

.contact-icon {
    font-size: 2.25rem;
    color: var(--color-primary);
    margin-bottom: 1.25rem;
    width: 64px;
    height: 64px;
    background: linear-gradient(135deg, rgba(64, 145, 108, 0.12), rgba(82, 183, 136, 0.08));
    border-radius: var(--radius-md);
    display: inline-flex;
    align-items: center;
    justify-content: center;
}

.contact-info-card h3 {
    font-family: var(--font-display);
    font-size: 1.15rem;
    color: var(--color-primary-dark);
}

/* ---- Forms ---- */
#contact .card {
    background: var(--color-surface);
    padding: 2rem;
    border-radius: var(--radius-lg);
}

.form-control,
.form-select {
    border-radius: var(--radius-sm);
    border: 1.5px solid var(--color-warm-dark);
    padding: 0.65rem 1rem;
    transition: all var(--transition);
    background: var(--color-warm);
}

.form-control:focus,
.form-select:focus {
    border-color: var(--color-primary-light);
    box-shadow: 0 0 0 4px rgba(64, 145, 108, 0.15);
    background: var(--color-surface);
}

.form-label {
    font-weight: 600;
    color: var(--color-primary-dark);
    font-size: 0.9rem;
}

.invalid-feedback {
    font-size: 0.85rem;
}

#formMessage .alert {
    border-radius: var(--radius-sm);
    animation: fadeIn 0.5s ease;
}

/* ---- Progress Steps ---- */
.progress-steps {
    display: flex;
    justify-content: space-between;
    margin-bottom: 30px;
}

.step {
    display: flex;
    flex-direction: column;
    align-items: center;
    position: relative;
    flex: 1;
}

.step:not(:last-child)::after {
    content: '';
    position: absolute;
    top: 20px;
    width: 100%;
    height: 2px;
    background-color: var(--color-warm-dark);
    right: -50%;
    z-index: 0;
}

.step.active:not(:last-child)::after {
    background: linear-gradient(90deg, var(--color-primary-light), var(--color-accent));
}

.step-number {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background-color: var(--color-warm-dark);
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: bold;
    margin-bottom: 10px;
    z-index: 1;
    transition: all var(--transition);
}

.step.active .step-number {
    background: linear-gradient(135deg, var(--color-primary-light), var(--color-primary));
    color: white;
    box-shadow: 0 4px 12px rgba(45, 106, 79, 0.3);
}

.step-text {
    font-size: 14px;
    color: var(--color-text-muted);
}

.step.active .step-text {
    color: var(--color-primary);
    font-weight: 600;
}

.appointment-step {
    transition: all 0.3s ease;
}

/* ---- About Page ---- */
.profile-img {
    width: 220px;
    height: 220px;
    object-fit: cover;
    border-radius: 50%;
    border: 5px solid var(--color-surface);
    box-shadow: var(--shadow-lg);
    outline: 3px solid var(--color-accent-soft);
}

.timeline {
    position: relative;
    padding: 20px 0;
}

.timeline::before {
    content: '';
    position: absolute;
    left: 50%;
    top: 0;
    bottom: 0;
    width: 3px;
    background: linear-gradient(180deg, var(--color-accent), var(--color-primary-light));
    transform: translateX(-50%);
    border-radius: var(--radius-full);
}

.timeline-item {
    position: relative;
    margin-bottom: 30px;
}

.timeline-content {
    position: relative;
    padding: 1.5rem;
    background: var(--color-surface);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-sm);
    border: 1px solid rgba(149, 213, 178, 0.2);
    transition: all var(--transition);
}

.timeline-content:hover {
    box-shadow: var(--shadow-md);
    transform: translateY(-2px);
}

.timeline-content::before {
    content: '';
    position: absolute;
    top: 24px;
    width: 16px;
    height: 16px;
    background: var(--color-accent);
    border: 3px solid var(--color-surface);
    border-radius: 50%;
    box-shadow: 0 0 0 3px var(--color-accent-soft);
}

.timeline-content h4 {
    color: var(--color-primary-light);
    font-size: 0.9rem;
    font-weight: 600;
    letter-spacing: 0.05em;
}

.timeline-content h5 {
    font-family: var(--font-display);
    color: var(--color-primary-dark);
}

.timeline-list {
    margin: 0.75rem 0 0;
    padding-left: 1.25rem;
    color: var(--color-text-muted);
    font-size: 0.95rem;
    line-height: 1.75;
}

.timeline-list li {
    margin-bottom: 0.4rem;
}

.timeline-list li:last-child {
    margin-bottom: 0;
}

.timeline-item:nth-child(odd) .timeline-content {
    margin-left: 50%;
    padding-left: 40px;
}

.timeline-item:nth-child(odd) .timeline-content::before {
    left: -8px;
}

.timeline-item:nth-child(even) .timeline-content {
    margin-right: 50%;
    padding-right: 40px;
}

.timeline-item:nth-child(even) .timeline-content::before {
    right: -8px;
}

.skill-item {
    margin-bottom: 1.5rem;
}

.skill-name {
    margin-bottom: 0.5rem;
    font-weight: 600;
    color: var(--color-primary-dark);
}

.progress {
    height: 8px;
    border-radius: var(--radius-full);
    background: var(--color-warm-dark);
    overflow: hidden;
}

.progress-bar {
    background: linear-gradient(90deg, var(--color-primary-light), var(--color-accent));
    border-radius: var(--radius-full);
}

.process-step {
    position: relative;
    padding-left: 30px;
    margin-bottom: 30px;
}

.process-step::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0;
    width: 2px;
    height: 100%;
    background: linear-gradient(180deg, var(--color-primary-light), var(--color-accent));
}

.process-step::after {
    content: '';
    position: absolute;
    left: -8px;
    top: 0;
    width: 18px;
    height: 18px;
    border-radius: 50%;
    background: var(--color-primary-light);
    box-shadow: 0 0 0 4px rgba(64, 145, 108, 0.2);
}

/* ---- Footer ---- */
.footer {
    background: linear-gradient(180deg, var(--color-primary-dark) 0%, #0D2818 100%);
    color: rgba(255, 255, 255, 0.85);
    padding: 3.5rem 0 1.5rem;
    text-align: left;
}

.footer h5 {
    font-family: var(--font-display);
    font-size: 1.1rem;
    color: #fff;
    margin-bottom: 1.25rem;
    position: relative;
    padding-bottom: 0.75rem;
}

.footer h5::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 32px;
    height: 2px;
    background: var(--color-accent);
    border-radius: var(--radius-full);
}

.footer p {
    margin: 0;
    font-size: 0.9rem;
    color: rgba(255, 255, 255, 0.65);
}

.footer ul li {
    margin-bottom: 0.5rem;
}

.footer a {
    color: rgba(255, 255, 255, 0.75);
    text-decoration: none;
    transition: color var(--transition);
}

.footer a:hover {
    color: var(--color-accent-soft);
}

.footer .list-inline-item a {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 44px;
    height: 44px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.08);
    transition: all var(--transition);
}

.footer .list-inline-item a:hover {
    background: var(--color-primary-light);
    color: #fff !important;
    transform: translateY(-3px);
}

.footer hr {
    border-color: rgba(255, 255, 255, 0.12);
    margin: 2rem 0 1.5rem;
}

.footer > .container > p:last-of-type,
.footer > .container > p:nth-last-of-type(2) {
    text-align: center;
}

/* ---- CTA Section ---- */
.cta-section {
    background: linear-gradient(135deg, var(--color-primary-dark), var(--color-primary));
    color: white;
    padding: 4rem 0;
    position: relative;
    overflow: hidden;
}

.cta-section::before {
    content: '';
    position: absolute;
    inset: 0;
    background:
        radial-gradient(circle at 10% 50%, rgba(82, 183, 136, 0.2) 0%, transparent 40%),
        radial-gradient(circle at 90% 50%, rgba(201, 169, 98, 0.15) 0%, transparent 40%);
}

.cta-section .container {
    position: relative;
    z-index: 1;
}

.cta-section h3 {
    font-family: var(--font-display);
}

/* ---- Animations ---- */
@keyframes fadeIn {
    from { opacity: 0; transform: translateY(8px); }
    to { opacity: 1; transform: translateY(0); }
}

/* ---- Responsive ---- */
@media (max-width: 768px) {
    .section {
        padding: 60px 0;
    }

    .section-title {
        font-size: 1.75rem;
    }

    .hero-section {
        min-height: 75vh;
        background-attachment: scroll;
    }

    .hero-stats {
        gap: 1.25rem;
        padding: 1rem 1.25rem;
        flex-wrap: wrap;
    }

    .hero-stat {
        min-width: 72px;
    }

    .hero-stat-number {
        font-size: 1.5rem;
    }

    .hero-stat-label {
        font-size: 0.75rem;
    }

    .card-body {
        padding: 1.5rem;
    }

    #about img {
        width: 100%;
        margin-bottom: 20px;
    }

    .navbar-nav {
        text-align: center;
        padding: 0.75rem 0;
        background: rgba(27, 67, 50, 0.95);
        border-radius: var(--radius-md);
        margin-top: 0.5rem;
    }

    .timeline::before {
        left: 20px;
    }

    .timeline-item:nth-child(odd) .timeline-content,
    .timeline-item:nth-child(even) .timeline-content {
        margin-left: 50px;
        margin-right: 0;
        padding-left: 20px;
        padding-right: 20px;
    }

    .timeline-item:nth-child(odd) .timeline-content::before,
    .timeline-item:nth-child(even) .timeline-content::before {
        left: -38px;
        right: auto;
    }

    .footer {
        text-align: center;
    }

    .footer h5::after {
        left: 50%;
        transform: translateX(-50%);
    }
}

@media (max-width: 610px) {
    .navbar-brand {
        font-size: 1.15rem;
    }

    #services .row > div {
        flex: 0 0 100%;
        max-width: 100%;
    }

    .card-body {
        padding: 1.25rem;
    }

    .card-title {
        font-size: 1.1rem;
    }

    .card-text {
        font-size: 0.9rem;
    }

    #about .row {
        flex-direction: column;
    }

    #about img {
        width: 100% !important;
        margin-bottom: 1.5rem;
    }

    .accordion-button {
        font-size: 0.9rem;
        padding: 1rem;
    }

    .accordion-body {
        font-size: 0.875rem;
    }

    #testimonials .row {
        flex-direction: column;
    }

    #testimonials img {
        width: 100%;
        margin-bottom: 1.5rem;
    }

    .testimonial-card {
        padding: 1.75rem;
    }

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

    .hero-actions .btn {
        width: 100%;
        max-width: 280px;
    }
}

/* ---- Premium polish additions ---- */
.testimonial-photo {
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
    border: 4px solid var(--color-surface);
    transition: transform var(--transition);
}

.testimonial-photo:hover {
    transform: scale(1.02);
}

@media (prefers-reduced-motion: reduce) {
    *, *::before, *::after {
        animation-duration: 0.01ms !important;
        transition-duration: 0.01ms !important;
        scroll-behavior: auto !important;
    }
}

/* ---- Quiz Page ---- */
.quiz-header {
    background:
        linear-gradient(135deg, rgba(27, 67, 50, 0.88) 0%, rgba(45, 106, 79, 0.75) 100%),
        url('../img/hero_premium.jpg');
    background-size: cover;
    background-position: center;
    padding: 150px 0 70px;
    color: #fff;
    text-align: center;
}

.quiz-header h1 {
    font-family: var(--font-display);
    font-size: clamp(1.8rem, 4vw, 2.6rem);
    font-weight: 700;
    margin: 0.75rem 0 0.5rem;
}

.quiz-header .lead {
    opacity: 0.9;
    font-weight: 300;
}

#nutrition-quiz button {
    cursor: pointer;
    transition: all 0.25s ease;
}

#nutrition-quiz button:hover:not(:disabled) {
    border-color: var(--color-primary-light) !important;
    transform: translateY(-1px);
}