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

:root {
    --bg:          #FAFAF7;
    --card:        #FFFFFF;
    --pastel-pink: #F5E1DD;
    --pastel-nude: #EFE4DA;
    --pastel-rose: #E8D5D0;
    --accent:      #C9A9A0;
    --accent-dark: #8B6B63;
    --text:        #2B2520;
    --text-muted:  #7A7066;
    --text-faint:  #B5ADA5;
    --border:      #E8E2DA;
    --divider:     #D9D2C8;

    --font-body:    'DM Sans', sans-serif;
    --font-display: 'Instrument Serif', serif;

    --container: 1080px;
    --gap: 1.5rem;
}

html { scroll-behavior: smooth; }

body {
    font-family: var(--font-body);
    background: var(--bg);
    color: var(--text);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
}

img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }

.container {
    max-width: var(--container);
    margin: 0 auto;
    padding: 0 1.5rem;
}

/* ============ NAVBAR ============ */
.navbar {
    position: fixed;
    top: 0; left: 0; right: 0;
    z-index: 100;
    background: rgba(250, 250, 247, 0.92);
    backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--border);
    transition: box-shadow 0.3s;
}
.navbar.scrolled { box-shadow: 0 2px 20px rgba(43,37,32,0.08); }
.nav-inner {
    max-width: var(--container);
    margin: 0 auto;
    padding: 0 1.5rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 60px;
}
.nav-brand {
    font-family: var(--font-body);
    font-weight: 700;
    font-size: 0.8rem;
    letter-spacing: 0.12em;
    color: var(--accent-dark);
}
.nav-links {
    display: flex;
    list-style: none;
    gap: 2rem;
    align-items: center;
}
.nav-links a {
    font-size: 0.85rem;
    font-weight: 500;
    color: var(--text-muted);
    transition: color 0.2s;
}
.nav-links a:hover { color: var(--accent-dark); }
.nav-cta {
    background: var(--accent-dark) !important;
    color: white !important;
    padding: 0.5rem 1.2rem;
    border-radius: 6px;
    font-size: 0.8rem !important;
    transition: background 0.2s !important;
}
.nav-cta:hover { background: var(--text) !important; }

.nav-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 4px;
}
.nav-toggle span {
    width: 22px; height: 2px;
    background: var(--text);
    border-radius: 2px;
    transition: 0.3s;
}

/* ============ HERO ============ */
.hero {
    position: relative;
    overflow: hidden;
    padding: 10rem 1.5rem 6rem;
    text-align: center;
    background: linear-gradient(180deg, var(--pastel-pink) 0%, var(--bg) 100%);
    min-height: 80vh;
    display: flex;
    align-items: center;
    justify-content: center;
}
.hero-content { position: relative; z-index: 2; }
.hero-label {
    font-size: 0.75rem;
    font-weight: 600;
    letter-spacing: 0.15em;
    color: var(--accent-dark);
    margin-bottom: 1.5rem;
}
.hero-title {
    font-family: var(--font-display);
    font-size: clamp(3rem, 8vw, 5.5rem);
    line-height: 1.05;
    color: var(--text);
    margin-bottom: 1.2rem;
}
.hero-subtitle {
    font-family: var(--font-display);
    font-style: italic;
    font-size: clamp(1rem, 2.5vw, 1.4rem);
    color: var(--accent-dark);
    margin-bottom: 2.5rem;
}
.hero-actions { display: flex; gap: 1rem; justify-content: center; flex-wrap: wrap; }
.hero-decoration { position: absolute; inset: 0; pointer-events: none; }
.hero-circle {
    position: absolute;
    border-radius: 50%;
    border: 1.5px solid var(--accent);
    opacity: 0.3;
}
.hero-circle:first-child { width: 400px; height: 400px; top: -80px; right: -100px; }
.hero-circle--2 { width: 300px; height: 300px; bottom: -60px; left: -80px; }

/* ============ BUTTONS ============ */
.btn {
    display: inline-flex;
    align-items: center;
    padding: 0.8rem 2rem;
    border-radius: 8px;
    font-family: var(--font-body);
    font-size: 0.9rem;
    font-weight: 600;
    transition: all 0.25s;
    cursor: pointer;
    border: none;
}
.btn-primary {
    background: var(--accent-dark);
    color: white;
}
.btn-primary:hover { background: var(--text); transform: translateY(-1px); }
.btn-outline {
    border: 1.5px solid var(--accent-dark);
    color: var(--accent-dark);
    background: transparent;
}
.btn-outline:hover { background: var(--accent-dark); color: white; }

/* ============ SECTIONS ============ */
.section { padding: 5rem 0; }
.section--alt { background: var(--card); }

.section-label {
    font-size: 0.75rem;
    font-weight: 600;
    letter-spacing: 0.12em;
    color: var(--accent-dark);
    margin-bottom: 0.5rem;
}
.section-title {
    font-family: var(--font-display);
    font-size: clamp(2rem, 5vw, 3rem);
    line-height: 1.15;
    margin-bottom: 1rem;
}
.section-title em {
    font-family: var(--font-display);
    font-style: italic;
    color: var(--accent-dark);
}
.section-divider {
    width: 3rem;
    height: 2px;
    background: var(--accent);
    margin-bottom: 1.5rem;
}
.section-desc {
    font-size: 1.05rem;
    color: var(--text-muted);
    max-width: 600px;
    line-height: 1.7;
    margin-bottom: 2.5rem;
}

/* ============ VIDEO PLACEHOLDER ============ */
.video-showcase { margin-bottom: 3rem; }
.video-placeholder {
    position: relative;
    width: 100%;
    aspect-ratio: 16 / 9;
    background: linear-gradient(135deg, var(--pastel-pink) 0%, var(--pastel-nude) 50%, var(--pastel-rose) 100%);
    border-radius: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    overflow: hidden;
    border: 1px solid var(--border);
    transition: transform 0.3s, box-shadow 0.3s;
}
.video-placeholder:hover {
    transform: translateY(-3px);
    box-shadow: 0 12px 40px rgba(139, 107, 99, 0.15);
}
.video-placeholder-inner { text-align: center; }
.play-icon {
    color: var(--accent-dark);
    margin-bottom: 1rem;
    transition: transform 0.3s;
}
.video-placeholder:hover .play-icon { transform: scale(1.1); }
.video-placeholder-text {
    font-family: var(--font-display);
    font-size: 1.5rem;
    color: var(--text);
    margin-bottom: 0.3rem;
}
.video-placeholder-sub {
    font-size: 0.85rem;
    color: var(--text-muted);
}

/* ============ FEATURES ============ */
.feature-row {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
}
.feature-card {
    text-align: center;
    padding: 2rem 1.5rem;
    background: var(--card);
    border-radius: 12px;
    border: 1px solid var(--border);
    transition: transform 0.2s, box-shadow 0.2s;
}
.feature-card:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 24px rgba(139, 107, 99, 0.1);
}
.feature-icon { font-size: 2rem; margin-bottom: 0.8rem; }
.feature-card h3 {
    font-family: var(--font-body);
    font-size: 0.9rem;
    font-weight: 700;
    color: var(--accent-dark);
    margin-bottom: 0.4rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}
.feature-card p {
    font-size: 0.85rem;
    color: var(--text-muted);
    line-height: 1.5;
}

/* ============ STEPS ============ */
.steps-row {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 1rem;
    flex-wrap: wrap;
    margin-top: 2rem;
}
.step {
    text-align: center;
    padding: 1.5rem;
    background: var(--bg);
    border-radius: 12px;
    min-width: 140px;
    flex: 1;
    max-width: 180px;
}
.step-num {
    width: 36px; height: 36px;
    background: var(--accent-dark);
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 0.85rem;
    margin: 0 auto 0.6rem;
}
.step p { font-size: 0.85rem; color: var(--text-muted); }
.step-arrow {
    font-size: 1.2rem;
    color: var(--accent);
    font-weight: 700;
}

/* ============ SIZE GUIDE ============ */
.size-guide {
    overflow-x: auto;
    margin-bottom: 2rem;
}
.size-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.9rem;
}
.size-table th {
    padding: 0.8rem 1rem;
    text-align: left;
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: var(--accent-dark);
    border-bottom: 2px solid var(--accent);
    background: var(--bg);
}
.size-table td {
    padding: 0.8rem 1rem;
    border-bottom: 1px solid var(--border);
    color: var(--text);
}
.size-table tbody tr:hover { background: var(--pastel-nude); }
.size-badge {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 32px; height: 32px;
    background: var(--accent-dark);
    color: white;
    border-radius: 6px;
    font-weight: 700;
    font-size: 0.75rem;
}

.measure-tip {
    display: flex;
    gap: 1rem;
    align-items: flex-start;
    padding: 1.5rem;
    background: var(--pastel-nude);
    border-radius: 12px;
    border-left: 4px solid var(--accent);
}
.measure-tip-icon { font-size: 1.5rem; flex-shrink: 0; }
.measure-tip strong {
    display: block;
    color: var(--accent-dark);
    margin-bottom: 0.3rem;
    font-size: 0.9rem;
}
.measure-tip p { font-size: 0.85rem; color: var(--text-muted); line-height: 1.6; }

/* ============ CATALOG FILTERS ============ */
.catalog-filters {
    display: flex;
    gap: 0.6rem;
    margin-bottom: 1.5rem;
    flex-wrap: wrap;
}
.filter-btn {
    padding: 0.55rem 1.3rem;
    border: 1.5px solid var(--border);
    border-radius: 100px;
    background: transparent;
    font-family: var(--font-body);
    font-size: 0.85rem;
    font-weight: 500;
    color: var(--text-muted);
    cursor: pointer;
    transition: all 0.2s;
}
.filter-btn:hover {
    border-color: var(--accent);
    color: var(--accent-dark);
}
.filter-btn.active {
    background: var(--accent-dark);
    border-color: var(--accent-dark);
    color: white;
}
.filter-count {
    font-size: 0.7rem;
    opacity: 0.7;
    margin-left: 0.2rem;
}

.price-segments {
    display: flex;
    gap: 1.5rem;
    margin-bottom: 2rem;
    flex-wrap: wrap;
}
.segment {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.8rem;
    color: var(--text-muted);
}
.segment-dot {
    width: 10px; height: 10px;
    border-radius: 50%;
}
.segment--atelier .segment-dot { background: var(--accent-dark); }
.segment--signature .segment-dot { background: var(--accent); }
.segment--essentials .segment-dot { background: var(--pastel-rose); }

/* ============ PRODUCT GRID ============ */
.product-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 1.5rem;
}
.product-card {
    background: var(--bg);
    border-radius: 14px;
    overflow: hidden;
    border: 1px solid var(--border);
    transition: transform 0.25s, box-shadow 0.25s, opacity 0.3s;
}
.product-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 12px 32px rgba(139, 107, 99, 0.12);
}
.product-card.hidden {
    display: none;
}

.product-video {
    position: relative;
    aspect-ratio: 1;
    overflow: hidden;
    background: linear-gradient(135deg, var(--pastel-pink) 0%, var(--pastel-nude) 100%);
}
.card-video, .card-poster {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
    cursor: pointer;
}
.card-video { transition: transform 0.4s; }
.product-card:hover .card-video { transform: scale(1.03); }

.price-badge {
    display: inline-block;
    font-size: 0.7rem;
    font-weight: 700;
    padding: 0.2rem 0.5rem;
    background: var(--accent);
    color: white;
    border-radius: 4px;
    letter-spacing: 0.02em;
    margin-left: auto;
    white-space: nowrap;
}
.product-meta {
    display: flex;
    align-items: center;
    gap: 0.4rem;
    margin-bottom: 0.2rem;
}

.product-info { padding: 1rem 1.2rem 1.3rem; }
.product-collection {
    font-size: 0.65rem;
    font-weight: 700;
    letter-spacing: 0.1em;
    color: var(--accent-dark);
}
.product-code {
    font-size: 0.65rem;
    color: var(--text-faint);
    margin-left: 0.5rem;
}
.product-name {
    font-family: var(--font-display);
    font-size: 1.15rem;
    margin: 0.3rem 0;
    color: var(--text);
}
.product-desc {
    font-size: 0.78rem;
    color: var(--text-muted);
    line-height: 1.5;
    margin-bottom: 0.6rem;
}
.product-tags {
    display: flex;
    gap: 0.4rem;
}
.product-tags span {
    font-size: 0.65rem;
    font-weight: 500;
    padding: 0.2rem 0.6rem;
    background: var(--pastel-nude);
    color: var(--accent-dark);
    border-radius: 100px;
}

/* ============ CONTACT ============ */
.contact-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 1.5rem;
    margin-bottom: 3rem;
}
.contact-card {
    padding: 2rem 1.5rem;
    background: var(--card);
    border-radius: 12px;
    border: 1px solid var(--border);
    text-align: center;
}
.contact-icon { font-size: 1.8rem; margin-bottom: 0.8rem; }
.contact-card h3 {
    font-size: 0.9rem;
    font-weight: 700;
    color: var(--accent-dark);
    margin-bottom: 0.3rem;
}
.contact-card p { font-size: 0.85rem; color: var(--text-muted); }

.cta-box {
    text-align: center;
    padding: 3rem;
    background: linear-gradient(135deg, var(--pastel-pink), var(--pastel-nude));
    border-radius: 16px;
}
.cta-box h3 {
    font-family: var(--font-display);
    font-size: 1.5rem;
    margin-bottom: 0.5rem;
}
.cta-box p {
    color: var(--text-muted);
    margin-bottom: 1.5rem;
    font-size: 0.95rem;
}

/* ============ FOOTER ============ */
.footer {
    padding: 2rem 0;
    text-align: center;
    font-size: 0.75rem;
    color: var(--text-faint);
    border-top: 1px solid var(--border);
}

/* ============ VIDEO DUO (Atölye) ============ */
.video-duo {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1.5rem;
    margin-bottom: 3rem;
}
.video-showcase-item { text-align: center; }
.showcase-video {
    width: 100%;
    border-radius: 14px;
    border: 1px solid var(--border);
    background: var(--pastel-pink);
}
.video-caption {
    margin-top: 0.6rem;
    font-size: 0.8rem;
    font-weight: 600;
    color: var(--accent-dark);
    letter-spacing: 0.04em;
}

/* ============ KIT SHOWCASE (Uygulama) ============ */
.kit-showcase {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 2rem;
    align-items: center;
    margin-bottom: 3rem;
    padding: 2rem;
    background: var(--bg);
    border-radius: 16px;
    border: 1px solid var(--border);
}
.kit-image-wrap { text-align: center; }
.kit-image {
    width: 100%;
    max-width: 360px;
    border-radius: 12px;
}
.kit-info h3 {
    font-family: var(--font-display);
    font-size: 1.3rem;
    margin-bottom: 1rem;
    color: var(--text);
}
.kit-list {
    list-style: none;
    padding: 0;
}
.kit-list li {
    position: relative;
    padding: 0.5rem 0 0.5rem 1.5rem;
    font-size: 0.9rem;
    color: var(--text-muted);
    border-bottom: 1px solid var(--border);
}
.kit-list li:last-child { border-bottom: none; }
.kit-list li::before {
    content: '·';
    position: absolute;
    left: 0;
    color: var(--accent-dark);
    font-weight: 700;
    font-size: 1.2rem;
}

/* ============ ÖLÇÜ REHBERİ — 2 ADIMLI FLOW ============ */
.guide-step {
    margin-bottom: 3rem;
}
.guide-step-header {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-bottom: 0.6rem;
}
.guide-step-num {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 40px; height: 40px;
    background: var(--accent-dark);
    color: #fff;
    border-radius: 50%;
    font-weight: 700;
    font-size: 1.1rem;
    flex-shrink: 0;
}
.guide-step-title {
    font-family: var(--font-display);
    font-size: 1.5rem;
    color: var(--text);
}
.guide-step-desc {
    color: var(--text-muted);
    font-size: 0.95rem;
    margin-bottom: 1.5rem;
    padding-left: 56px; /* align with title text */
}
.method-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1.5rem;
}
.method-card {
    background: var(--card);
    border-radius: 14px;
    border: 1px solid var(--border);
    overflow: hidden;
    transition: box-shadow 0.3s, transform 0.3s;
}
.method-card:hover {
    box-shadow: 0 8px 30px rgba(0,0,0,0.08);
    transform: translateY(-2px);
}
.method-img {
    width: 100%;
    aspect-ratio: 4 / 3;
    object-fit: cover;
}
.method-info {
    padding: 1.2rem 1.4rem;
}
.method-info h4 {
    font-size: 1rem;
    font-weight: 600;
    color: var(--accent-dark);
    margin-bottom: 0.4rem;
}
.method-info p {
    font-size: 0.85rem;
    color: var(--text-muted);
    line-height: 1.5;
}

/* ============ ANIMATIONS ============ */
.fade-in {
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.6s ease-out, transform 0.6s ease-out;
}
.fade-in.visible {
    opacity: 1;
    transform: translateY(0);
}
.nav-links a.active-link { color: var(--accent-dark); }

/* ============ RESPONSIVE ============ */
@media (max-width: 900px) {
    .product-grid { grid-template-columns: repeat(2, 1fr); }
    .contact-grid { grid-template-columns: repeat(2, 1fr); }
    .feature-row { grid-template-columns: 1fr; gap: 1rem; }
    .video-duo { grid-template-columns: 1fr; }
    .kit-showcase { grid-template-columns: 1fr; }
    .method-grid { grid-template-columns: 1fr; }
    .guide-step-desc { padding-left: 0; }
}

@media (max-width: 640px) {
    .nav-toggle { display: flex; }
    .nav-links {
        display: none;
        position: absolute;
        top: 60px; left: 0; right: 0;
        background: var(--bg);
        flex-direction: column;
        padding: 1.5rem;
        gap: 1rem;
        border-bottom: 1px solid var(--border);
        box-shadow: 0 8px 24px rgba(0,0,0,0.08);
    }
    .nav-links.open { display: flex; }

    .hero { padding: 8rem 1.5rem 4rem; min-height: 70vh; }
    .section { padding: 3.5rem 0; }
    .product-grid { grid-template-columns: repeat(2, 1fr); gap: 1rem; }
    .contact-grid { grid-template-columns: 1fr; }

    .steps-row { flex-direction: column; }
    .step-arrow { transform: rotate(90deg); }
    .step { max-width: 100%; }

    .price-segments { flex-direction: column; gap: 0.5rem; }
}