/* ========================================
   SNAPOZ - Premium Photo Booth Rental
   Design System: #1A1A1A / #D4AF37 / #FFF
   ======================================== */

*, *::before, *::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --black: #1A1A1A;
    --gold: #D4AF37;
    --gold-light: #E8CC6E;
    --white: #FFFFFF;
    --gray-50: #FAFAFA;
    --gray-100: #F5F5F5;
    --gray-200: #E5E5E5;
    --gray-400: #A3A3A3;
    --gray-600: #525252;
    --gray-800: #262626;
    --font-kr: 'Noto Sans KR', sans-serif;
    --font-en: 'Playfair Display', serif;
}

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

body {
    font-family: var(--font-kr);
    color: var(--black);
    background: var(--white);
    line-height: 1.7;
    -webkit-font-smoothing: antialiased;
    overflow-x: hidden;
}

a {
    text-decoration: none;
    color: inherit;
    transition: color 0.3s;
}

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

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

/* ========== Navigation ========== */
#navbar {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    transition: background 0.4s, box-shadow 0.4s;
    background: transparent;
}

#navbar.scrolled {
    background: rgba(26, 26, 26, 0.95);
    backdrop-filter: blur(10px);
    box-shadow: 0 1px 0 rgba(255,255,255,0.05);
}

.nav-inner {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 72px;
}

.logo {
    font-family: var(--font-en);
    font-size: 1.6rem;
    font-weight: 700;
    color: var(--white);
    letter-spacing: 3px;
}

.nav-links {
    list-style: none;
    display: flex;
    gap: 36px;
}

.nav-links a {
    color: rgba(255,255,255,0.7);
    font-size: 0.85rem;
    font-weight: 400;
    letter-spacing: 1px;
    text-transform: uppercase;
    transition: color 0.3s;
    position: relative;
}

.nav-links a::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 1px;
    background: var(--gold);
    transition: width 0.3s;
}

.nav-links a:hover {
    color: var(--white);
}

.nav-links a:hover::after {
    width: 100%;
}

/* Hamburger */
.hamburger {
    display: none;
    background: none;
    border: none;
    cursor: pointer;
    padding: 8px;
    flex-direction: column;
    gap: 5px;
}

.hamburger span {
    display: block;
    width: 24px;
    height: 2px;
    background: var(--white);
    transition: transform 0.3s, opacity 0.3s;
}

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

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

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

/* ========== Hero ========== */
#hero {
    position: relative;
    height: 100vh;
    min-height: 600px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--black);
    overflow: hidden;
}

#hero::before {
    content: '';
    position: absolute;
    inset: 0;
    background: url('images/Happy-Guests-103-scaled-1-1024x1536\\ \\(1\\).jpg') center/cover no-repeat;
    opacity: 0.35;
    filter: blur(2px);
}

.hero-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(180deg, rgba(26,26,26,0.3) 0%, rgba(26,26,26,0.7) 100%);
}

.hero-content {
    position: relative;
    text-align: center;
    color: var(--white);
    padding: 0 24px;
}

.hero-sub {
    font-family: var(--font-en);
    font-size: 0.9rem;
    letter-spacing: 4px;
    color: var(--gold);
    margin-bottom: 20px;
    text-transform: uppercase;
}

.hero-title {
    font-family: var(--font-kr);
    font-size: clamp(2rem, 5vw, 3.5rem);
    font-weight: 700;
    line-height: 1.3;
    margin-bottom: 24px;
    letter-spacing: -1px;
}

.hero-desc {
    font-size: 1.05rem;
    color: rgba(255,255,255,0.7);
    margin-bottom: 40px;
    font-weight: 300;
}

.hero-scroll {
    position: absolute;
    bottom: 40px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
    color: rgba(255,255,255,0.4);
    font-size: 0.7rem;
    letter-spacing: 2px;
    text-transform: uppercase;
}

.scroll-line {
    width: 1px;
    height: 40px;
    background: linear-gradient(180deg, var(--gold), transparent);
    animation: scrollAnim 2s ease-in-out infinite;
}

@keyframes scrollAnim {
    0%, 100% { opacity: 0.3; transform: scaleY(0.5); }
    50% { opacity: 1; transform: scaleY(1); }
}

/* ========== Buttons ========== */
.btn {
    display: inline-block;
    padding: 16px 40px;
    font-size: 0.9rem;
    font-weight: 500;
    letter-spacing: 1px;
    border: none;
    cursor: pointer;
    transition: all 0.3s;
    text-align: center;
    font-family: var(--font-kr);
}

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

.btn-gold:hover {
    background: var(--gold-light);
    transform: translateY(-2px);
    box-shadow: 0 8px 24px rgba(212, 175, 55, 0.3);
}

.btn-full {
    width: 100%;
    display: block;
}

/* ========== Sections ========== */
.section {
    padding: 120px 0;
}

.section-dark {
    background: var(--black);
    color: var(--white);
}

.section-label {
    font-family: var(--font-en);
    font-size: 0.8rem;
    letter-spacing: 4px;
    text-transform: uppercase;
    color: var(--gold);
    margin-bottom: 16px;
}

.section-title {
    font-size: clamp(1.8rem, 3.5vw, 2.5rem);
    font-weight: 700;
    line-height: 1.4;
    margin-bottom: 20px;
    letter-spacing: -0.5px;
}

.section-title.light {
    color: var(--white);
}

.section-desc {
    font-size: 1rem;
    color: var(--gray-600);
    margin-bottom: 48px;
    max-width: 560px;
}

.section-dark .section-desc {
    color: var(--gray-400);
}

/* ========== Brand Story ========== */
.brand-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    margin-top: 48px;
}

.brand-text {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.brand-lead {
    font-size: 1.15rem;
    font-weight: 500;
    line-height: 1.8;
    color: var(--black);
}

.brand-text p {
    color: var(--gray-600);
    font-size: 0.95rem;
}

.brand-values {
    display: flex;
    flex-direction: column;
    gap: 24px;
}

.value-card {
    padding: 28px;
    border: 1px solid var(--gray-200);
    transition: border-color 0.3s, transform 0.3s;
}

.value-card:hover {
    border-color: var(--gold);
    transform: translateX(4px);
}

.value-number {
    font-family: var(--font-en);
    font-size: 0.8rem;
    color: var(--gold);
    letter-spacing: 2px;
    margin-bottom: 8px;
}

.value-card h3 {
    font-family: var(--font-en);
    font-size: 1.1rem;
    font-weight: 600;
    margin-bottom: 6px;
}

.value-card p {
    font-size: 0.88rem;
    color: var(--gray-600);
}

/* ========== Service / Spec ========== */
.spec-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    margin-top: 48px;
    align-items: center;
}

.spec-image {
    overflow: hidden;
}

.spec-image img {
    width: 100%;
    height: 480px;
    object-fit: cover;
    transition: transform 0.6s;
}

.spec-image:hover img {
    transform: scale(1.03);
}

.spec-details h3 {
    font-size: 1.3rem;
    margin-bottom: 24px;
    color: var(--white);
}

.spec-table {
    width: 100%;
    border-collapse: collapse;
}

.spec-table tr {
    border-bottom: 1px solid rgba(255,255,255,0.1);
}

.spec-table td {
    padding: 14px 0;
    font-size: 0.92rem;
}

.spec-table td:first-child {
    color: var(--gold);
    font-weight: 500;
    width: 100px;
    letter-spacing: 0.5px;
}

.spec-table td:last-child {
    color: rgba(255,255,255,0.8);
}

/* Process */
.process-section {
    margin-top: 100px;
}

.process-title {
    font-size: 1.3rem;
    text-align: center;
    margin-bottom: 48px;
    color: var(--white);
}

.process-flow {
    display: flex;
    align-items: flex-start;
    justify-content: center;
    gap: 8px;
}

.process-step {
    text-align: center;
    flex: 1;
    max-width: 180px;
}

.step-icon {
    width: 56px;
    height: 56px;
    margin: 0 auto 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    border: 1px solid var(--gold);
    border-radius: 50%;
    color: var(--gold);
}

.step-icon svg {
    width: 24px;
    height: 24px;
}

.step-num {
    font-family: var(--font-en);
    font-size: 0.7rem;
    color: var(--gold);
    letter-spacing: 2px;
    display: block;
    margin-bottom: 6px;
}

.process-step h4 {
    font-size: 0.95rem;
    margin-bottom: 4px;
    color: var(--white);
}

.process-step p {
    font-size: 0.78rem;
    color: var(--gray-400);
    line-height: 1.5;
}

.process-arrow {
    flex-shrink: 0;
    width: 24px;
    color: rgba(255,255,255,0.2);
    padding-top: 18px;
}

.process-arrow svg {
    width: 24px;
    height: 24px;
}

/* ========== Portfolio ========== */
.portfolio-filter {
    display: flex;
    gap: 12px;
    margin-bottom: 36px;
    flex-wrap: wrap;
}

.filter-btn {
    padding: 8px 24px;
    font-size: 0.85rem;
    background: transparent;
    border: 1px solid var(--gray-200);
    cursor: pointer;
    font-family: var(--font-kr);
    transition: all 0.3s;
    color: var(--gray-600);
}

.filter-btn.active,
.filter-btn:hover {
    background: var(--black);
    color: var(--white);
    border-color: var(--black);
}

.portfolio-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 16px;
}

.portfolio-item {
    position: relative;
    overflow: hidden;
    cursor: pointer;
    aspect-ratio: 3/4;
}

.portfolio-item img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.6s;
}

.portfolio-item:hover img {
    transform: scale(1.05);
}

.portfolio-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(180deg, transparent 40%, rgba(26,26,26,0.9) 100%);
    display: flex;
    flex-direction: column;
    justify-content: flex-end;
    padding: 24px;
    opacity: 0;
    transition: opacity 0.4s;
}

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

.portfolio-category {
    font-family: var(--font-en);
    font-size: 0.7rem;
    letter-spacing: 2px;
    color: var(--gold);
    text-transform: uppercase;
    margin-bottom: 6px;
}

.portfolio-overlay h4 {
    color: var(--white);
    font-size: 1.05rem;
    margin-bottom: 4px;
}

.portfolio-overlay p {
    color: rgba(255,255,255,0.7);
    font-size: 0.82rem;
}

/* ========== Calculator ========== */
.calculator-card {
    max-width: 640px;
    margin: 0 auto;
    background: var(--gray-800);
    padding: 40px;
    border: 1px solid rgba(255,255,255,0.08);
}

.calc-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
    margin-bottom: 20px;
}

.calc-row:first-child {
    grid-template-columns: 1fr;
}

.calc-item label {
    display: block;
    font-size: 0.82rem;
    color: var(--gray-400);
    margin-bottom: 8px;
    letter-spacing: 0.5px;
}

.base-price {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--gold);
}

.calc-item select {
    width: 100%;
    padding: 12px 16px;
    background: rgba(255,255,255,0.05);
    border: 1px solid rgba(255,255,255,0.15);
    color: var(--white);
    font-size: 0.9rem;
    font-family: var(--font-kr);
    appearance: none;
    cursor: pointer;
    transition: border-color 0.3s;
}

.calc-item select:focus {
    outline: none;
    border-color: var(--gold);
}

.calc-item select option {
    background: var(--gray-800);
    color: var(--white);
}

.calc-total {
    text-align: center;
    padding: 28px 0;
    margin: 20px 0;
    border-top: 1px solid rgba(255,255,255,0.1);
    border-bottom: 1px solid rgba(255,255,255,0.1);
}

.total-label {
    font-size: 0.85rem;
    color: var(--gray-400);
    margin-bottom: 8px;
}

.total-price {
    font-size: 2.2rem;
    font-weight: 900;
    color: var(--gold);
    letter-spacing: -1px;
}

.total-note {
    font-size: 0.82rem;
    color: var(--gold-light);
    margin-top: 8px;
}

/* ========== Inquiry Form ========== */
.inquiry-form {
    max-width: 800px;
    margin: 0 auto;
}

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

.form-group label {
    display: block;
    font-size: 0.85rem;
    font-weight: 500;
    margin-bottom: 8px;
    color: var(--black);
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 12px 0;
    font-size: 0.95rem;
    font-family: var(--font-kr);
    border: none;
    border-bottom: 1px solid var(--gray-200);
    background: transparent;
    color: var(--black);
    transition: border-color 0.3s;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-bottom-color: var(--gold);
}

.form-group input::placeholder,
.form-group textarea::placeholder {
    color: var(--gray-400);
}

.form-group select {
    appearance: none;
    cursor: pointer;
}

.form-group textarea {
    border: 1px solid var(--gray-200);
    padding: 16px;
    resize: vertical;
    min-height: 120px;
}

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

.form-group.full {
    margin-bottom: 32px;
}

/* ========== FAQ ========== */
.faq-list {
    max-width: 800px;
    margin: 0 auto;
}

.faq-item {
    border-bottom: 1px solid rgba(255,255,255,0.1);
}

.faq-question {
    width: 100%;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 24px 0;
    background: none;
    border: none;
    color: var(--white);
    font-size: 1rem;
    font-family: var(--font-kr);
    cursor: pointer;
    text-align: left;
    gap: 16px;
}

.faq-question svg {
    width: 20px;
    height: 20px;
    flex-shrink: 0;
    color: var(--gold);
    transition: transform 0.3s;
}

.faq-item.active .faq-question svg {
    transform: rotate(180deg);
}

.faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.4s ease, padding 0.4s ease;
}

.faq-item.active .faq-answer {
    max-height: 300px;
    padding-bottom: 24px;
}

.faq-answer p {
    color: var(--gray-400);
    font-size: 0.92rem;
    line-height: 1.8;
}

/* ========== Footer ========== */
#footer {
    background: #111111;
    color: var(--white);
    padding: 64px 0 32px;
}

.footer-top {
    display: flex;
    justify-content: space-between;
    gap: 48px;
    padding-bottom: 40px;
    border-bottom: 1px solid rgba(255,255,255,0.08);
    margin-bottom: 24px;
}

.footer-brand p {
    color: var(--gray-400);
    font-size: 0.85rem;
    margin-top: 12px;
}

.footer-links {
    display: flex;
    gap: 64px;
}

.footer-col h4 {
    font-family: var(--font-en);
    font-size: 0.8rem;
    letter-spacing: 2px;
    color: var(--gold);
    text-transform: uppercase;
    margin-bottom: 16px;
}

.footer-col a {
    display: block;
    font-size: 0.85rem;
    color: var(--gray-400);
    margin-bottom: 10px;
    transition: color 0.3s;
}

.footer-col a:hover {
    color: var(--white);
}

.footer-bottom p {
    text-align: center;
    font-size: 0.78rem;
    color: var(--gray-600);
}

/* ========== Modal ========== */
.modal {
    display: none;
    position: fixed;
    inset: 0;
    z-index: 2000;
    background: rgba(0,0,0,0.92);
    align-items: center;
    justify-content: center;
    padding: 40px;
}

.modal.active {
    display: flex;
}

.modal-close {
    position: absolute;
    top: 24px;
    right: 32px;
    background: none;
    border: none;
    color: var(--white);
    font-size: 2rem;
    cursor: pointer;
    padding: 8px;
    line-height: 1;
}

.modal-img {
    max-width: 90vw;
    max-height: 85vh;
    object-fit: contain;
}

/* ========== Animations ========== */
.fade-up {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.7s ease, transform 0.7s ease;
}

.fade-up.visible {
    opacity: 1;
    transform: translateY(0);
}

/* ========== Responsive ========== */

/* Tablet */
@media (max-width: 768px) {
    .hamburger {
        display: flex;
    }

    .nav-links {
        position: fixed;
        top: 0;
        right: -100%;
        width: 280px;
        height: 100vh;
        background: rgba(26,26,26,0.98);
        flex-direction: column;
        padding: 100px 40px 40px;
        gap: 24px;
        transition: right 0.4s ease;
    }

    .nav-links.open {
        right: 0;
    }

    .nav-links a {
        font-size: 1rem;
        color: rgba(255,255,255,0.8);
    }

    .section {
        padding: 80px 0;
    }

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

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

    .spec-image img {
        height: 360px;
    }

    .process-flow {
        flex-wrap: wrap;
        gap: 24px;
    }

    .process-arrow {
        display: none;
    }

    .process-step {
        flex: 0 0 calc(33.33% - 16px);
        max-width: none;
    }

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

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

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

    .footer-top {
        flex-direction: column;
    }

    .footer-links {
        gap: 32px;
        flex-wrap: wrap;
    }
}

/* Mobile */
@media (max-width: 480px) {
    .hero-title {
        font-size: 1.8rem;
    }

    .section-title {
        font-size: 1.5rem;
    }

    .portfolio-grid {
        grid-template-columns: 1fr;
    }

    .process-step {
        flex: 0 0 calc(50% - 12px);
    }

    .calculator-card {
        padding: 24px;
    }

    .total-price {
        font-size: 1.8rem;
    }

    .footer-links {
        flex-direction: column;
        gap: 24px;
    }
}