/* ========================================
   BELLA OPTICALS - Brand Stylesheet
   Colors: Charcoal #2d2d2d | Teal #1ab3b0
   ======================================== */

:root {
    --charcoal: #2d2d2d;
    --teal: #1ab3b0;
    --teal-dark: #0d8a88;
    --teal-light: #e0f7f6;
    --text-dark: #2d2d2d;
    --text-body: #555555;
    --text-light: #888888;
    --bg-white: #ffffff;
    --bg-light: #f7f9fb;
    --bg-dark: #1e1e1e;
    --transition: all 0.35s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

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

html {
    scroll-behavior: smooth;
    scroll-padding-top: 80px;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    color: var(--text-body);
    line-height: 1.7;
    overflow-x: hidden;
    background: var(--bg-white);
}

/* ===== TYPOGRAPHY ===== */
h1, h2, h3, h4, h5, h6 {
    font-family: 'Playfair Display', Georgia, serif;
    color: var(--text-dark);
    font-weight: 500;
    line-height: 1.3;
}

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

.section-label {
    display: inline-block;
    font-family: 'Inter', sans-serif;
    font-size: 0.8rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 3px;
    color: var(--teal);
    margin-bottom: 0.75rem;
}

.section-title {
    font-size: 2.75rem;
    font-weight: 600;
    margin-bottom: 1rem;
    color: var(--text-dark);
}

.section-subtitle {
    font-size: 1.1rem;
    color: var(--text-light);
    max-width: 600px;
    margin: 0 auto;
}

.section-text {
    font-size: 1.05rem;
    color: var(--text-body);
    line-height: 1.85;
    margin-bottom: 1rem;
}

.section-divider {
    width: 50px;
    height: 3px;
    background: var(--teal);
    border-radius: 2px;
    margin-bottom: 1.5rem;
}

.section-padding {
    padding: 6rem 0;
}

.bg-light-custom {
    background-color: var(--bg-light);
}

/* ===== NAVIGATION ===== */
.navbar {
    padding: 0.8rem 0;
    background: rgba(255, 255, 255, 0.97);
    backdrop-filter: blur(10px);
    transition: var(--transition);
    border-bottom: 1px solid transparent;
}

.navbar.scrolled {
    padding: 0.5rem 0;
    box-shadow: 0 2px 30px rgba(0,0,0,0.08);
    border-bottom: 1px solid rgba(0,0,0,0.05);
}

.navbar-logo {
    height: 45px;
    transition: var(--transition);
}

.navbar.scrolled .navbar-logo {
    height: 38px;
}

.navbar-nav .nav-link {
    font-family: 'Inter', sans-serif;
    font-size: 0.88rem;
    font-weight: 500;
    color: var(--text-dark);
    padding: 0.5rem 0.9rem;
    letter-spacing: 0.3px;
    transition: var(--transition);
    position: relative;
}

.navbar-nav .nav-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    width: 0;
    height: 2px;
    background: var(--teal);
    transition: var(--transition);
    transform: translateX(-50%);
}

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

.navbar-nav .nav-link:hover,
.navbar-nav .nav-link.active {
    color: var(--teal);
}

.navbar-toggler {
    border: none;
    padding: 0.5rem;
}

.navbar-toggler:focus {
    box-shadow: none;
}

/* ===== BUTTONS ===== */
.btn-accent {
    background: var(--teal);
    color: #fff;
    border: 2px solid var(--teal);
    padding: 0.65rem 1.75rem;
    font-family: 'Inter', sans-serif;
    font-size: 0.9rem;
    font-weight: 500;
    letter-spacing: 0.5px;
    border-radius: 4px;
    transition: var(--transition);
}

.btn-accent:hover {
    background: var(--teal-dark);
    border-color: var(--teal-dark);
    color: #fff;
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(26, 179, 176, 0.3);
}

.btn-outline-light {
    border: 2px solid rgba(255,255,255,0.6);
    color: #fff;
    font-family: 'Inter', sans-serif;
    font-size: 0.9rem;
    font-weight: 500;
    letter-spacing: 0.5px;
    padding: 0.65rem 1.75rem;
    border-radius: 4px;
    transition: var(--transition);
}

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

.btn-outline-dark {
    border: 2px solid var(--charcoal);
    color: var(--charcoal);
    font-family: 'Inter', sans-serif;
    font-size: 0.9rem;
    font-weight: 500;
    letter-spacing: 0.5px;
    padding: 0.65rem 1.75rem;
    border-radius: 4px;
    transition: var(--transition);
}

.btn-outline-dark:hover {
    background: var(--charcoal);
    color: #fff;
    transform: translateY(-2px);
}

/* ===== HERO ===== */
.hero-section {
    background: linear-gradient(135deg, #1a1a1a 0%, #2d2d2d 50%, #1ab3b0 150%);
    position: relative;
    overflow: hidden;
}

.hero-overlay {
    position: absolute;
    inset: 0;
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><circle cx="50" cy="50" r="40" fill="none" stroke="rgba(26,179,176,0.05)" stroke-width="0.5"/></svg>') repeat;
    background-size: 200px;
    opacity: 0.5;
}

.hero-content {
    padding: 2rem 0;
}

.hero-logo {
    height: 100px;
    margin-bottom: 2rem;
    filter: brightness(0) invert(1);
}

.hero-title {
    font-size: 3.2rem;
    font-weight: 700;
    color: #fff;
    margin-bottom: 1.5rem;
    line-height: 1.2;
}

.hero-description {
    font-size: 1.15rem;
    color: rgba(255,255,255,0.8);
    line-height: 1.9;
    margin-bottom: 2rem;
    max-width: 550px;
}

.hero-cta {
    display: flex;
    flex-wrap: wrap;
    gap: 1rem;
}

.hero-visual {
    display: flex;
    align-items: center;
    justify-content: center;
    height: 100%;
}

.hero-glass-shape {
    width: 300px;
    height: 300px;
    border-radius: 50%;
    background: rgba(26, 179, 176, 0.1);
    border: 2px solid rgba(26, 179, 176, 0.2);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 8rem;
    color: rgba(26, 179, 176, 0.4);
    animation: pulse-glow 3s ease-in-out infinite;
}

@keyframes pulse-glow {
    0%, 100% { box-shadow: 0 0 60px rgba(26, 179, 176, 0.1); }
    50% { box-shadow: 0 0 100px rgba(26, 179, 176, 0.2); }
}

.hero-scroll-indicator {
    position: absolute;
    bottom: 2rem;
    left: 50%;
    transform: translateX(-50%);
    z-index: 10;
}

.hero-scroll-indicator a {
    color: rgba(255,255,255,0.5);
    font-size: 1.5rem;
    animation: bounce 2s infinite;
    text-decoration: none;
}

@keyframes bounce {
    0%, 20%, 50%, 80%, 100% { transform: translateY(0); }
    40% { transform: translateY(-10px); }
    60% { transform: translateY(-5px); }
}

/* ===== ANIMATIONS ===== */
.animate-fade-in {
    animation: fadeIn 1s ease forwards;
}

.animate-fade-in-up {
    animation: fadeInUp 0.8s ease forwards;
}

.delay-1 { animation-delay: 0.3s; opacity: 0; animation-fill-mode: forwards; }
.delay-2 { animation-delay: 0.6s; opacity: 0; animation-fill-mode: forwards; }

@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

@keyframes fadeInUp {
    from { opacity: 0; transform: translateY(30px); }
    to { opacity: 1; transform: translateY(0); }
}

/* ===== ABOUT ===== */
.about-image-block {
    position: relative;
}

.about-img {
    width: 100%;
    height: 450px;
    object-fit: cover;
    border-radius: 12px;
    box-shadow: 0 10px 40px rgba(0,0,0,0.15);
}

.about-img-placeholder {
    width: 100%;
    height: 450px;
    background: linear-gradient(135deg, var(--teal-light) 0%, #e8f5f4 100%);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 6rem;
    color: var(--teal);
}

.about-accent-box {
    position: absolute;
    bottom: -20px;
    right: -20px;
    background: var(--charcoal);
    color: #fff;
    padding: 1.5rem 2rem;
    border-radius: 8px;
    text-align: center;
}

.about-years {
    display: block;
    font-family: 'Playfair Display', serif;
    font-size: 1.2rem;
    font-weight: 300;
    color: var(--teal);
}

.about-tagline {
    display: block;
    font-family: 'Inter', sans-serif;
    font-size: 0.85rem;
    font-weight: 500;
    letter-spacing: 1px;
    text-transform: uppercase;
}

.about-stat {
    padding: 1rem 0;
}

.about-stat i {
    font-size: 1.5rem;
    margin-bottom: 0.5rem;
    display: block;
}

.about-stat h4 {
    font-size: 1rem;
    font-weight: 600;
    margin-bottom: 0.3rem;
}

.about-stat p {
    font-size: 0.9rem;
    color: var(--text-light);
    margin: 0;
}

/* ===== SERVICE CARDS ===== */
.service-card {
    background: var(--bg-white);
    padding: 2.25rem;
    border-radius: 10px;
    border: 1px solid #eee;
    transition: var(--transition);
    height: 100%;
    position: relative;
    overflow: hidden;
}

.service-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 3px;
    background: var(--teal);
    transform: scaleX(0);
    transition: var(--transition);
    transform-origin: left;
}

.service-card:hover::before {
    transform: scaleX(1);
}

.service-card:hover {
    box-shadow: 0 15px 40px rgba(0,0,0,0.08);
    transform: translateY(-5px);
    border-color: transparent;
}

.service-icon-wrap {
    width: 60px;
    height: 60px;
    border-radius: 12px;
    background: var(--teal-light);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    color: var(--teal);
    margin-bottom: 1.5rem;
    transition: var(--transition);
}

.service-card:hover .service-icon-wrap {
    background: var(--teal);
    color: #fff;
}

.service-card h3 {
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: 0.75rem;
}

.service-card p {
    color: var(--text-light);
    font-size: 0.95rem;
    line-height: 1.7;
    margin-bottom: 0;
}

.service-card-cta {
    background: linear-gradient(135deg, var(--charcoal) 0%, #3a3a3a 100%);
    border: none;
}

.service-card-cta h3,
.service-card-cta p {
    color: rgba(255,255,255,0.9);
}

.service-card-cta .service-icon-wrap {
    background: rgba(26, 179, 176, 0.2);
    color: var(--teal);
}

.service-card-cta:hover .service-icon-wrap {
    background: var(--teal);
    color: #fff;
}

/* ===== COLLECTIONS ===== */
.collection-card {
    background: var(--bg-white);
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 4px 20px rgba(0,0,0,0.06);
    transition: var(--transition);
    height: 100%;
}

.collection-card:hover {
    box-shadow: 0 15px 40px rgba(0,0,0,0.12);
    transform: translateY(-8px);
}

.collection-image {
    height: 250px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 4rem;
    color: rgba(255,255,255,0.6);
    position: relative;
    overflow: hidden;
}

.collection-image::after {
    content: '';
    position: absolute;
    inset: 0;
    background: rgba(0,0,0,0.1);
    transition: var(--transition);
}

.collection-card:hover .collection-image::after {
    background: rgba(0,0,0,0.2);
}

.collection-body {
    padding: 2rem;
}

.collection-body h3 {
    font-size: 1.4rem;
    font-weight: 600;
    margin-bottom: 0.75rem;
}

.collection-body p {
    color: var(--text-light);
    font-size: 0.95rem;
    line-height: 1.7;
    margin-bottom: 1rem;
}

.collection-tag {
    display: inline-block;
    font-family: 'Inter', sans-serif;
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1.5px;
    color: var(--teal);
    padding: 0.35rem 1rem;
    border: 1px solid var(--teal);
    border-radius: 20px;
}

/* ===== WHY BELLA / DARK SECTION ===== */
.bg-dark-section {
    background: var(--charcoal);
}

.why-list {
    list-style: none;
    padding: 0;
    margin: 0;
}

.why-list li {
    display: flex;
    gap: 1.25rem;
    padding: 1.25rem 0;
    border-bottom: 1px solid rgba(255,255,255,0.08);
}

.why-list li:last-child {
    border-bottom: none;
}

.why-icon {
    width: 50px;
    height: 50px;
    min-width: 50px;
    border-radius: 10px;
    background: rgba(26, 179, 176, 0.15);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--teal);
    font-size: 1.25rem;
}

.why-list h4 {
    font-family: 'Inter', sans-serif;
    font-size: 1.05rem;
    font-weight: 600;
    color: #fff;
    margin-bottom: 0.25rem;
}

.why-list p {
    font-size: 0.9rem;
    color: rgba(255,255,255,0.6);
    margin: 0;
    line-height: 1.6;
}

/* ===== PROMISE BOX ===== */
.promise-box {
    background: linear-gradient(135deg, rgba(26, 179, 176, 0.1) 0%, rgba(26, 179, 176, 0.05) 100%);
    border: 1px solid rgba(26, 179, 176, 0.2);
    border-radius: 12px;
    padding: 3rem;
    text-align: center;
}

.promise-icon {
    font-size: 3rem;
    color: var(--teal);
    margin-bottom: 1.5rem;
}

.promise-box h3 {
    font-size: 2rem;
    color: #fff;
    margin-bottom: 1.5rem;
}

.promise-box p {
    color: rgba(255,255,255,0.75);
    font-size: 1.05rem;
    line-height: 1.8;
}

.promise-divider {
    width: 40px;
    height: 2px;
    background: var(--teal);
    margin: 1.5rem auto;
}

.promise-tagline {
    font-family: 'Playfair Display', serif;
    font-size: 1.3rem;
    font-style: italic;
    color: var(--teal) !important;
}

/* ===== CORPORATE CARDS ===== */
.corporate-card {
    background: var(--bg-white);
    padding: 2.5rem;
    border-radius: 10px;
    border: 1px solid #eee;
    text-align: center;
    transition: var(--transition);
    height: 100%;
}

.corporate-card:hover {
    box-shadow: 0 15px 40px rgba(0,0,0,0.08);
    transform: translateY(-5px);
    border-color: var(--teal);
}

.corporate-icon {
    width: 70px;
    height: 70px;
    border-radius: 50%;
    background: var(--teal-light);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.75rem;
    color: var(--teal);
    margin: 0 auto 1.5rem;
}

.corporate-card h3 {
    font-size: 1.3rem;
    font-weight: 600;
    margin-bottom: 1rem;
}

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

/* ===== APPOINTMENT ===== */
.appointment-info {
    display: flex;
    flex-direction: column;
    gap: 1.25rem;
}

.appointment-info-item {
    display: flex;
    align-items: flex-start;
    gap: 1rem;
}

.appointment-info-item i {
    font-size: 1.5rem;
    margin-top: 0.25rem;
}

.appointment-info-item strong {
    display: block;
    color: var(--text-dark);
    font-size: 0.95rem;
    margin-bottom: 0.1rem;
}

.appointment-info-item p {
    color: var(--text-light);
    font-size: 0.9rem;
    margin: 0;
}

.appointment-form-card {
    background: var(--bg-white);
    padding: 2.5rem;
    border-radius: 12px;
    box-shadow: 0 10px 40px rgba(0,0,0,0.08);
    border: 1px solid #eee;
}

/* ===== FORMS ===== */
.form-control,
.form-select {
    border: 1px solid #e0e0e0;
    padding: 0.75rem 1rem;
    border-radius: 6px;
    font-family: 'Inter', sans-serif;
    font-size: 0.9rem;
    transition: var(--transition);
    background-color: var(--bg-white);
}

.form-control:focus,
.form-select:focus {
    border-color: var(--teal);
    box-shadow: 0 0 0 3px rgba(26, 179, 176, 0.1);
}

.form-label {
    font-family: 'Inter', sans-serif;
    font-weight: 500;
    font-size: 0.88rem;
    color: var(--text-dark);
    margin-bottom: 0.4rem;
}

/* ===== FAQ ===== */
.accordion-item {
    border: 1px solid #eee;
    border-radius: 8px !important;
    margin-bottom: 0.75rem;
    overflow: hidden;
}

.accordion-button {
    font-family: 'Inter', sans-serif;
    font-weight: 500;
    font-size: 1rem;
    color: var(--text-dark);
    padding: 1.25rem 1.5rem;
    background: var(--bg-white);
}

.accordion-button:not(.collapsed) {
    background: var(--teal-light);
    color: var(--teal-dark);
    box-shadow: none;
}

.accordion-button:focus {
    box-shadow: none;
    border-color: var(--teal);
}

.accordion-button::after {
    filter: none;
}

.accordion-body {
    padding: 1.25rem 1.5rem;
    color: var(--text-body);
    font-size: 0.95rem;
    line-height: 1.8;
}

/* ===== CONTACT ===== */
.contact-card {
    background: var(--bg-white);
    padding: 2rem;
    border-radius: 10px;
    text-align: center;
    border: 1px solid #eee;
    transition: var(--transition);
    height: 100%;
}

.contact-card:hover {
    border-color: var(--teal);
    box-shadow: 0 10px 30px rgba(0,0,0,0.06);
    transform: translateY(-3px);
}

.contact-card i {
    font-size: 2rem;
    color: var(--teal);
    margin-bottom: 1rem;
    display: block;
}

.contact-card h4 {
    font-family: 'Inter', sans-serif;
    font-size: 1rem;
    font-weight: 600;
    margin-bottom: 0.75rem;
}

.contact-card p {
    color: var(--text-light);
    font-size: 0.9rem;
    margin: 0;
    line-height: 1.6;
}

.contact-form-card {
    background: var(--bg-white);
    padding: 2.5rem;
    border-radius: 12px;
    box-shadow: 0 10px 40px rgba(0,0,0,0.08);
    border: 1px solid #eee;
}

.contact-form-card h3 {
    font-size: 1.5rem;
    font-weight: 600;
    margin-bottom: 1.5rem;
}

.map-container {
    height: 100%;
    min-height: 400px;
    background: var(--bg-light);
    border-radius: 12px;
    border: 1px solid #eee;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    color: var(--text-light);
    gap: 0.5rem;
}

.map-container i {
    font-size: 3rem;
    color: var(--teal);
    opacity: 0.5;
}

.map-container p {
    font-weight: 500;
}

.map-container small {
    font-size: 0.8rem;
}

/* ===== FOOTER ===== */
.footer {
    background: var(--charcoal);
    color: #fff;
    padding: 4rem 0 2rem;
}

.footer-logo {
    height: 50px;
    margin-bottom: 1.25rem;
    filter: brightness(0) invert(1);
}

.footer-text {
    color: rgba(255,255,255,0.65);
    font-size: 0.95rem;
    line-height: 1.7;
    margin-bottom: 1.25rem;
}

.footer-social {
    display: flex;
    gap: 0.75rem;
}

.footer-social a {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    border: 1px solid rgba(255,255,255,0.15);
    display: flex;
    align-items: center;
    justify-content: center;
    color: rgba(255,255,255,0.6);
    text-decoration: none;
    transition: var(--transition);
}

.footer-social a:hover {
    background: var(--teal);
    border-color: var(--teal);
    color: #fff;
}

.footer-heading {
    font-family: 'Inter', sans-serif;
    font-size: 0.9rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1.5px;
    margin-bottom: 1.5rem;
    color: #fff;
}

.footer-links {
    list-style: none;
    padding: 0;
}

.footer-links li {
    margin-bottom: 0.65rem;
}

.footer-links a {
    color: rgba(255,255,255,0.6);
    text-decoration: none;
    font-size: 0.9rem;
    transition: var(--transition);
}

.footer-links a:hover {
    color: var(--teal);
    padding-left: 5px;
}

.footer-contact {
    list-style: none;
    padding: 0;
}

.footer-contact li {
    color: rgba(255,255,255,0.6);
    margin-bottom: 0.75rem;
    font-size: 0.9rem;
    display: flex;
    align-items: flex-start;
    gap: 0.75rem;
}

.footer-contact i {
    color: var(--teal);
    font-size: 1rem;
    margin-top: 3px;
}

.footer-divider {
    border-color: rgba(255,255,255,0.1);
    margin: 2.5rem 0 1.5rem;
}

.footer-copyright {
    color: rgba(255,255,255,0.4);
    font-size: 0.85rem;
    margin: 0;
}

/* ===== BACK TO TOP ===== */
.back-to-top {
    position: fixed;
    bottom: 2rem;
    right: 2rem;
    width: 45px;
    height: 45px;
    border-radius: 50%;
    background: var(--teal);
    color: #fff;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.2rem;
    text-decoration: none;
    opacity: 0;
    visibility: hidden;
    transform: translateY(20px);
    transition: var(--transition);
    z-index: 999;
    box-shadow: 0 4px 15px rgba(26, 179, 176, 0.3);
}

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

.back-to-top:hover {
    background: var(--teal-dark);
    color: #fff;
    transform: translateY(-3px);
    box-shadow: 0 6px 20px rgba(26, 179, 176, 0.4);
}

/* ===== RESPONSIVE ===== */
@media (max-width: 991px) {
    .navbar-collapse {
        background: var(--bg-white);
        padding: 1rem;
        border-radius: 8px;
        margin-top: 0.5rem;
        box-shadow: 0 10px 30px rgba(0,0,0,0.1);
    }

    .navbar-nav .nav-link::after {
        display: none;
    }

    .hero-logo {
        height: 70px;
    }

    .hero-title {
        font-size: 2.5rem;
    }

    .section-title {
        font-size: 2rem;
    }
}

@media (max-width: 768px) {
    .section-padding {
        padding: 4rem 0;
    }

    .hero-title {
        font-size: 2rem;
    }

    .hero-description {
        font-size: 1rem;
    }

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

    .hero-cta .btn {
        text-align: center;
    }

    .about-img-placeholder {
        height: 300px;
    }

    .about-accent-box {
        bottom: -10px;
        right: 10px;
    }

    .promise-box {
        padding: 2rem;
    }

    .appointment-form-card,
    .contact-form-card {
        padding: 1.5rem;
    }

    .collection-image {
        height: 200px;
    }
}

@media (max-width: 576px) {
    .section-title {
        font-size: 1.75rem;
    }

    .hero-logo {
        height: 60px;
    }
}