/* =====================================================
   SMILEBOX - Premium Elegant Design
   Style: Dark, Luxurious, Gold Accents
   ===================================================== */

/* CSS Variables */
:root {
    --black: #0a0a0a;
    --dark: #1a1a2e;
    --dark-lighter: #16213e;
    --gold: #d4af37;
    --gold-light: #f4d160;
    --gold-dark: #b8960c;
    --white: #ffffff;
    --white-off: #f8f8f8;
    --gray: #a0a0a0;
    --gray-dark: #4a4a4a;

    --font-heading: 'Playfair Display', Georgia, serif;
    --font-body: 'Montserrat', -apple-system, sans-serif;

    --transition: all 0.3s ease;
    --shadow: 0 10px 40px rgba(0, 0, 0, 0.3);
    --shadow-gold: 0 5px 30px rgba(212, 175, 55, 0.3);
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-body);
    font-size: 16px;
    line-height: 1.7;
    color: var(--white);
    background-color: var(--black);
    overflow-x: hidden;
}

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

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

ul {
    list-style: none;
}

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

/* Typography */
.gold {
    color: var(--gold);
}

.section-subtitle {
    font-family: var(--font-body);
    font-size: 0.75rem;
    font-weight: 500;
    letter-spacing: 3px;
    text-transform: uppercase;
    color: var(--gold);
    margin-bottom: 16px;
}

.section-subtitle.center {
    text-align: center;
}

.section-title {
    font-family: var(--font-heading);
    font-size: clamp(2rem, 5vw, 3rem);
    font-weight: 500;
    line-height: 1.2;
    margin-bottom: 32px;
}

.section-title.center {
    text-align: center;
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    padding: 14px 32px;
    font-family: var(--font-body);
    font-size: 0.85rem;
    font-weight: 500;
    letter-spacing: 1px;
    text-transform: uppercase;
    border: none;
    border-radius: 0;
    cursor: pointer;
    transition: var(--transition);
}

.btn svg {
    width: 18px;
    height: 18px;
}

.btn-gold {
    background: linear-gradient(135deg, var(--gold) 0%, var(--gold-dark) 100%);
    color: var(--black);
}

.btn-gold:hover {
    background: linear-gradient(135deg, var(--gold-light) 0%, var(--gold) 100%);
    box-shadow: var(--shadow-gold);
    transform: translateY(-2px);
}

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

.btn-outline:hover {
    background: var(--gold);
    color: var(--black);
}

.btn-full {
    width: 100%;
}

/* =====================================================
   HEADER
   ===================================================== */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    padding: 20px 0;
    transition: var(--transition);
}

.header--scrolled {
    background: rgba(10, 10, 10, 0.95);
    backdrop-filter: blur(10px);
    padding: 15px 0;
    box-shadow: 0 2px 20px rgba(0, 0, 0, 0.5);
}

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

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

.logo-text {
    font-family: var(--font-heading);
    font-size: 1.5rem;
    font-weight: 600;
    letter-spacing: 4px;
    color: var(--white);
}

.logo-line {
    width: 100%;
    height: 2px;
    background: linear-gradient(90deg, var(--gold), transparent);
    margin-top: 4px;
}

.nav-list {
    display: flex;
    align-items: center;
    gap: 40px;
}

.nav-list a {
    font-size: 0.85rem;
    font-weight: 400;
    letter-spacing: 1px;
    text-transform: uppercase;
    color: var(--white);
    position: relative;
}

.nav-list a:not(.btn)::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 1px;
    background: var(--gold);
    transition: var(--transition);
}

.nav-list a:not(.btn):hover::after {
    width: 100%;
}

.nav-list a:not(.btn):hover {
    color: var(--gold);
}

.nav-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 5px;
}

.nav-toggle span {
    display: block;
    width: 25px;
    height: 2px;
    background: var(--white);
    transition: var(--transition);
}

.nav-toggle.active span:nth-child(1) {
    transform: rotate(45deg) translate(5px, 5px);
}

.nav-toggle.active span:nth-child(2) {
    opacity: 0;
}

.nav-toggle.active span:nth-child(3) {
    transform: rotate(-45deg) translate(5px, -5px);
}

/* =====================================================
   HERO
   ===================================================== */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
}

.hero-bg {
    position: absolute;
    inset: 0;
    background: url('../images/hero-smilebox.jpg') center/cover no-repeat;
}

.hero-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(
        180deg,
        rgba(10, 10, 10, 0.7) 0%,
        rgba(26, 26, 46, 0.85) 100%
    );
}

.hero-content {
    position: relative;
    text-align: center;
    padding: 120px 24px 80px;
}

.hero-subtitle {
    font-size: 0.75rem;
    font-weight: 500;
    letter-spacing: 4px;
    text-transform: uppercase;
    color: var(--gold);
    margin-bottom: 24px;
}

.hero-title {
    font-family: var(--font-heading);
    font-size: clamp(2.5rem, 8vw, 5rem);
    font-weight: 500;
    line-height: 1.1;
    margin-bottom: 24px;
}

.hero-desc {
    font-size: 1rem;
    font-weight: 300;
    letter-spacing: 2px;
    color: var(--gray);
    margin-bottom: 48px;
}

.hero-buttons {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 20px;
}

.hero-scroll {
    position: absolute;
    bottom: 40px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 10px;
}

.hero-scroll span {
    font-size: 0.7rem;
    letter-spacing: 2px;
    text-transform: uppercase;
    color: var(--gray);
}

.scroll-line {
    width: 1px;
    height: 60px;
    background: linear-gradient(180deg, var(--gold), transparent);
    animation: scrollPulse 2s ease-in-out infinite;
}

@keyframes scrollPulse {
    0%, 100% { opacity: 1; transform: scaleY(1); }
    50% { opacity: 0.5; transform: scaleY(0.8); }
}

/* =====================================================
   ABOUT
   ===================================================== */
.about {
    padding: 120px 0;
    background: var(--dark);
}

.about-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 80px;
    align-items: center;
}

.about-text {
    font-size: 1rem;
    font-weight: 300;
    color: var(--gray);
    margin-bottom: 20px;
}

.about-features {
    display: flex;
    flex-direction: column;
    gap: 16px;
    margin-top: 40px;
    padding-top: 40px;
    border-top: 1px solid rgba(212, 175, 55, 0.2);
}

.about-feature {
    display: flex;
    align-items: center;
    gap: 16px;
    font-size: 1rem;
    color: var(--white);
}

.about-feature svg {
    width: 24px;
    height: 24px;
    color: var(--gold);
    flex-shrink: 0;
}

.about-image {
    position: relative;
}

.image-frame {
    position: relative;
    padding: 20px;
}

.image-frame::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    border: 1px solid var(--gold);
    transform: translate(20px, 20px);
    pointer-events: none;
}

.image-frame img {
    width: 100%;
    filter: grayscale(20%);
    transition: var(--transition);
}

.image-frame:hover img {
    filter: grayscale(0%);
}

/* =====================================================
   SERVICES
   ===================================================== */
.services {
    padding: 120px 0;
    background: var(--black);
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 30px;
    margin-top: 60px;
}

.service-card {
    text-align: center;
    padding: 40px 24px;
    background: var(--dark);
    border: 1px solid transparent;
    transition: var(--transition);
}

.service-card:hover {
    border-color: var(--gold);
    transform: translateY(-10px);
}

.service-icon {
    width: 60px;
    height: 60px;
    margin: 0 auto 24px;
    color: var(--gold);
}

.service-icon svg {
    width: 100%;
    height: 100%;
}

.service-title {
    font-family: var(--font-heading);
    font-size: 1.25rem;
    font-weight: 500;
    margin-bottom: 10px;
}

.service-desc {
    font-size: 0.875rem;
    color: var(--gray);
}

/* =====================================================
   OFFERS
   ===================================================== */
.offers {
    padding: 120px 0;
    background: linear-gradient(180deg, var(--dark) 0%, var(--black) 100%);
}

.offers-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
    margin-top: 60px;
}

.offer-card {
    position: relative;
    background: var(--dark-lighter);
    padding: 40px 30px;
    text-align: center;
    border: 1px solid rgba(255, 255, 255, 0.05);
    transition: var(--transition);
}

.offer-card:hover {
    transform: translateY(-10px);
    border-color: rgba(212, 175, 55, 0.3);
}

.offer-card--popular {
    border-color: var(--gold);
    transform: scale(1.05);
}

.offer-card--popular:hover {
    transform: scale(1.05) translateY(-10px);
}

.offer-badge {
    position: absolute;
    top: -1px;
    left: 50%;
    transform: translateX(-50%);
    background: var(--gold);
    color: var(--black);
    font-size: 0.7rem;
    font-weight: 600;
    letter-spacing: 1px;
    text-transform: uppercase;
    padding: 8px 20px;
}

.offer-header {
    padding-bottom: 24px;
    margin-bottom: 24px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.offer-title {
    font-family: var(--font-heading);
    font-size: 1.5rem;
    font-weight: 500;
    margin-bottom: 8px;
}

.offer-subtitle {
    font-size: 0.875rem;
    color: var(--gray);
}

.offer-price {
    margin-bottom: 30px;
}

.price-amount {
    font-family: var(--font-heading);
    font-size: 4rem;
    font-weight: 600;
    color: var(--gold);
    line-height: 1;
}

.price-currency {
    font-size: 1.5rem;
    color: var(--gold);
    vertical-align: top;
}

.price-custom {
    font-family: var(--font-heading);
    font-size: 1.5rem;
    color: var(--gold);
}

.offer-features {
    text-align: left;
    margin-bottom: 30px;
}

.offer-features li {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 10px 0;
    font-size: 0.9rem;
    color: var(--gray);
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

.offer-features li:last-child {
    border-bottom: none;
}

.offer-features svg {
    width: 18px;
    height: 18px;
    color: var(--gold);
    flex-shrink: 0;
}

/* =====================================================
   GALLERY
   ===================================================== */
.gallery {
    padding: 120px 0;
    background: var(--black);
}

.gallery-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 20px;
    margin-top: 60px;
}

.gallery-item {
    position: relative;
    overflow: hidden;
    cursor: pointer;
    background: var(--dark);
    border-radius: 8px;
}

.gallery-item::before {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(
        135deg,
        rgba(212, 175, 55, 0.15) 0%,
        rgba(26, 26, 46, 0.4) 100%
    );
    z-index: 1;
    transition: var(--transition);
    pointer-events: none;
}

.gallery-item:hover::before {
    background: linear-gradient(
        135deg,
        rgba(212, 175, 55, 0.3) 0%,
        rgba(26, 26, 46, 0.1) 100%
    );
}

.gallery-item img {
    width: 100%;
    height: auto;
    object-fit: contain;
    transition: var(--transition);
    filter: contrast(1.05) brightness(0.95) saturate(1.1);
}

.gallery-item:hover img {
    transform: scale(1.05);
    filter: contrast(1.1) brightness(1) saturate(1.2);
}

.gallery-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(
        180deg,
        transparent 0%,
        rgba(0, 0, 0, 0.7) 100%
    );
    display: flex;
    align-items: flex-end;
    justify-content: center;
    padding-bottom: 20px;
    opacity: 0;
    transition: var(--transition);
    z-index: 2;
}

.gallery-item:hover .gallery-overlay {
    opacity: 1;
}

.gallery-zoom {
    font-size: 1rem;
    color: var(--gold);
    font-weight: 500;
    letter-spacing: 2px;
    text-transform: uppercase;
}

/* =====================================================
   CONTACT
   ===================================================== */
.contact {
    padding: 120px 0;
    background: var(--dark);
}

.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 80px;
}

.contact-text {
    font-size: 1rem;
    font-weight: 300;
    color: var(--gray);
    margin-bottom: 40px;
}

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

.contact-item {
    display: flex;
    align-items: center;
    gap: 16px;
    font-size: 0.95rem;
    color: var(--white);
}

.contact-item svg {
    width: 24px;
    height: 24px;
    color: var(--gold);
}

.contact-form-wrapper {
    background: var(--dark-lighter);
    padding: 40px;
}

.contact-form {
    display: flex;
    flex-direction: column;
    gap: 24px;
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 24px;
}

.form-group {
    position: relative;
}

.form-group input,
.form-group textarea,
.form-group select {
    width: 100%;
    padding: 16px;
    font-family: var(--font-body);
    font-size: 0.95rem;
    color: var(--white);
    background: transparent;
    border: 1px solid rgba(255, 255, 255, 0.1);
    outline: none;
    transition: var(--transition);
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
    border-color: var(--gold);
}

.form-group label {
    position: absolute;
    top: 50%;
    left: 16px;
    transform: translateY(-50%);
    font-size: 0.9rem;
    color: var(--gray);
    pointer-events: none;
    transition: var(--transition);
}

.form-group textarea ~ label {
    top: 20px;
    transform: none;
}

.form-group input:focus ~ label,
.form-group input:not(:placeholder-shown) ~ label,
.form-group textarea:focus ~ label,
.form-group textarea:not(:placeholder-shown) ~ label {
    top: 0;
    left: 12px;
    font-size: 0.75rem;
    color: var(--gold);
    background: var(--dark-lighter);
    padding: 0 4px;
}

.form-group select {
    cursor: pointer;
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='24' height='24' viewBox='0 0 24 24' fill='none' stroke='%23d4af37' stroke-width='2'%3E%3Cpolyline points='6 9 12 15 18 9'%3E%3C/polyline%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 16px center;
    background-size: 16px;
}

.form-group select option {
    background: var(--dark);
    color: var(--white);
}

.alert {
    padding: 20px;
    margin-bottom: 24px;
    display: flex;
    align-items: flex-start;
    gap: 16px;
}

.alert svg {
    width: 24px;
    height: 24px;
    flex-shrink: 0;
}

.alert-success {
    background: rgba(212, 175, 55, 0.1);
    border: 1px solid var(--gold);
    color: var(--gold);
}

.alert-error {
    background: rgba(220, 53, 69, 0.1);
    border: 1px solid #dc3545;
    color: #dc3545;
}

.alert-error ul {
    margin: 0;
    padding-left: 20px;
}

/* =====================================================
   FOOTER
   ===================================================== */
.footer {
    padding: 80px 0 0;
    background: var(--black);
    border-top: 1px solid rgba(255, 255, 255, 0.05);
}

.footer-inner {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr;
    gap: 60px;
    padding-bottom: 60px;
}

.footer-brand p {
    margin-top: 20px;
    font-size: 0.9rem;
    color: var(--gray);
    max-width: 300px;
}

.footer-links h4 {
    font-family: var(--font-heading);
    font-size: 1rem;
    font-weight: 500;
    margin-bottom: 20px;
    color: var(--gold);
}

.footer-links ul {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.footer-links a,
.footer-links li {
    font-size: 0.9rem;
    color: var(--gray);
    transition: var(--transition);
}

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

.footer-bottom {
    padding: 24px 0;
    border-top: 1px solid rgba(255, 255, 255, 0.05);
    text-align: center;
}

.footer-bottom p {
    font-size: 0.8rem;
    color: var(--gray);
}

/* =====================================================
   RESPONSIVE
   ===================================================== */
@media (max-width: 1024px) {
    .services-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .offers-grid {
        grid-template-columns: 1fr;
        max-width: 400px;
        margin-left: auto;
        margin-right: auto;
    }

    .offer-card--popular {
        transform: none;
    }

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

    .gallery-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    .nav-toggle {
        display: flex;
        z-index: 1001;
    }

    .nav {
        position: fixed;
        top: 0;
        right: -100%;
        width: 100%;
        height: 100vh;
        background: var(--dark);
        display: flex;
        align-items: center;
        justify-content: center;
        transition: var(--transition);
        z-index: 1000;
    }

    .nav--open {
        right: 0;
    }

    .nav-list {
        flex-direction: column;
        gap: 30px;
    }

    .nav-list a {
        font-size: 1.25rem;
    }

    .hero {
        min-height: 100vh;
    }

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

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

    .hero-scroll {
        display: none;
    }

    .about-grid {
        grid-template-columns: 1fr;
        gap: 40px;
    }

    .about-image {
        order: -1;
    }

    .about-features {
        margin-top: 30px;
        padding-top: 30px;
    }

    .about-feature {
        font-size: 0.9rem;
    }

    .image-frame {
        padding: 10px;
    }

    .image-frame::before {
        transform: translate(10px, 10px);
    }

    .services-grid {
        grid-template-columns: repeat(2, 1fr);
        max-width: 100%;
        gap: 15px;
    }

    .service-card {
        padding: 25px 15px;
    }

    .service-icon {
        width: 40px;
        height: 40px;
        margin-bottom: 15px;
    }

    .service-title {
        font-size: 1rem;
    }

    .service-desc {
        font-size: 0.8rem;
    }

    .contact-grid {
        grid-template-columns: 1fr;
        gap: 40px;
    }

    .contact-form-wrapper {
        padding: 30px 20px;
    }

    .form-row {
        grid-template-columns: 1fr;
    }

    .footer-inner {
        grid-template-columns: 1fr;
        gap: 40px;
        text-align: center;
    }

    .footer-brand p {
        max-width: none;
    }

    .logo {
        align-items: center;
    }

    .contact-details {
        align-items: center;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 16px;
    }

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

    .hero-subtitle {
        font-size: 0.65rem;
    }

    .hero-desc {
        font-size: 0.85rem;
    }

    .btn {
        padding: 12px 24px;
        font-size: 0.8rem;
    }

    .section-subtitle {
        font-size: 0.65rem;
    }

    .section-title {
        font-size: 1.5rem;
        margin-bottom: 24px;
    }

    .about,
    .services,
    .offers,
    .gallery,
    .contact {
        padding: 60px 0;
    }

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

    .about-feature {
        font-size: 0.85rem;
        gap: 12px;
    }

    .about-feature svg {
        width: 20px;
        height: 20px;
    }

    .services-grid {
        grid-template-columns: 1fr;
        gap: 15px;
    }

    .service-card {
        padding: 20px 15px;
    }

    .offers-grid {
        margin-top: 40px;
    }

    .offer-card {
        padding: 30px 20px;
    }

    .price-amount {
        font-size: 2.5rem;
    }

    .offer-features li {
        font-size: 0.85rem;
        padding: 8px 0;
    }

    .gallery-grid {
        grid-template-columns: 1fr;
        gap: 15px;
    }

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

    .contact-item {
        font-size: 0.85rem;
    }

    .contact-form-wrapper {
        padding: 25px 15px;
    }

    .form-group input,
    .form-group textarea,
    .form-group select {
        padding: 14px;
        font-size: 0.9rem;
    }

    .footer {
        padding: 60px 0 0;
    }

    .footer-inner {
        gap: 30px;
        padding-bottom: 40px;
    }

    .footer-links h4 {
        margin-bottom: 15px;
    }
}