/* Hairzoom Coiffeur - Ana Sayfa */

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

:root {
    --gold: #B39F84;
    --dark-gold: #B39F84;
    --black: #0A0A0A;
    --white: #FFFFFF;
    --gray: #4A4A4A;
    --gray-400: #B8B8B8;
    --light-gray: #F5F5F5;
    --shadow-soft: 0 4px 20px rgba(0,0,0,0.06);
    --shadow-card: 0 8px 32px rgba(0,0,0,0.08);
    --shadow-card-hover: 0 16px 48px rgba(0,0,0,0.12);
}

body {
    font-family: 'Inter', sans-serif;
    color: var(--black);
    overflow-x: hidden;
    background: var(--black);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* ========================================
   Hero Section
   ======================================== */
.hero {
    position: relative;
    height: 100vh;
    min-height: 560px;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
}

.hero-background {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 1;
}

#hero-slider {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    opacity: 0.75;
    filter: brightness(0.55) saturate(1.1);
    transition: opacity 1.2s cubic-bezier(0.4, 0, 0.2, 1);
    will-change: opacity;
    transform: translateZ(0);
    backface-visibility: hidden;
}

#hero-slider.fade-out {
    opacity: 0;
}

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(160deg, rgba(0,0,0,0.75) 0%, rgba(0,0,0,0.5) 40%, rgba(179,159,132,0.25) 100%);
    z-index: 2;
}

.hero-overlay::after {
    content: '';
    position: absolute;
    inset: 0;
    background-image: radial-gradient(circle at 1px 1px, rgba(255,255,255,0.08) 1px, transparent 0);
    background-size: 32px 32px;
    opacity: 0.5;
    pointer-events: none;
}

.hero-content {
    position: relative;
    z-index: 3;
    text-align: center;
    color: var(--white);
    padding: 24px;
    animation: heroFadeIn 1.2s cubic-bezier(0.4, 0, 0.2, 1) forwards;
}

@keyframes heroFadeIn {
    from { opacity: 0; transform: translateY(24px); }
    to { opacity: 1; transform: translateY(0); }
}

.hero-logo {
    font-family: 'Playfair Display', serif;
    font-size: clamp(2.5rem, 8vw, 5rem);
    font-weight: 700;
    margin-bottom: 12px;
    text-shadow: 0 2px 20px rgba(0,0,0,0.5);
    letter-spacing: clamp(0.08em, 2vw, 0.2em);
}

.hero-subtitle {
    font-size: clamp(0.95rem, 2.5vw, 1.35rem);
    font-weight: 400;
    margin-bottom: 44px;
    letter-spacing: 0.25em;
    text-transform: uppercase;
    opacity: 0.95;
}

.hero-buttons {
    display: flex;
    gap: 16px;
    justify-content: center;
    flex-wrap: wrap;
}

/* ========================================
   Buttons
   ======================================== */
.btn {
    padding: 16px 36px;
    font-size: 14px;
    font-weight: 600;
    text-decoration: none;
    border-radius: 50px;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    border: 2px solid var(--gold);
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    gap: 8px;
    text-transform: uppercase;
    letter-spacing: 0.08em;
}

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

.btn-primary:hover {
    background: var(--dark-gold);
    transform: translateY(-3px);
    box-shadow: 0 8px 24px rgba(179,159,132,0.4);
}

.btn-secondary {
    background: transparent;
    color: var(--white);
    border-color: rgba(255,255,255,0.8);
}

.btn-secondary:hover {
    background: var(--white);
    color: var(--black);
    border-color: var(--white);
    transform: translateY(-3px);
    box-shadow: 0 8px 24px rgba(255,255,255,0.25);
}

/* ========================================
   Header (index-specific overrides)
   ======================================== */
.header {
    transition: background 0.3s ease, padding 0.3s ease, box-shadow 0.3s ease;
    background: transparent;
    will-change: background, padding, box-shadow;
    transform: translateZ(0);
}

.header.scrolled {
    background: rgba(10,10,10,0.95);
    backdrop-filter: blur(10px);
    padding: 15px 40px;
    box-shadow: 0 2px 20px rgba(0,0,0,0.3);
}

/* ========================================
   Services Section
   ======================================== */
.services-section {
    padding: 88px 40px;
    background: linear-gradient(180deg, var(--white) 0%, var(--light-gray) 100%);
    position: relative;
    overflow: hidden;
}

.services-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, rgba(179,159,132,0.25), transparent);
    pointer-events: none;
}

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

.services-header {
    text-align: center;
    margin-bottom: 52px;
}

.services-cta {
    display: flex;
    gap: 16px;
    justify-content: center;
    flex-wrap: wrap;
    margin-top: 28px;
}

.services-cta .btn-secondary {
    background: var(--black);
    color: var(--white);
    border-color: var(--black);
}

.services-cta .btn-secondary:hover {
    background: var(--gold);
    color: var(--black);
    border-color: var(--gold);
}

.services-content {
    margin-bottom: 56px;
}

.services-preview {
    text-align: center;
}

.preview-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 24px;
    margin-bottom: 36px;
}

.preview-card {
    display: block;
    text-decoration: none;
    color: inherit;
    background: var(--white);
    border-radius: 18px;
    padding: 32px 24px;
    box-shadow: var(--shadow-card);
    border: 1px solid rgba(179,159,132,0.06);
    transition: transform 0.35s cubic-bezier(0.4, 0, 0.2, 1), box-shadow 0.35s ease;
    cursor: pointer;
    position: relative;
    overflow: hidden;
    animation: cardFadeIn 0.6s cubic-bezier(0.4, 0, 0.2, 1) backwards;
}

.preview-card:nth-child(1) { animation-delay: 0.05s; }
.preview-card:nth-child(2) { animation-delay: 0.1s; }
.preview-card:nth-child(3) { animation-delay: 0.15s; }
.preview-card:nth-child(4) { animation-delay: 0.2s; }

@keyframes cardFadeIn {
    from { opacity: 0; transform: translateY(20px); }
    to { opacity: 1; transform: translateY(0); }
}

.preview-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(90deg, var(--gold), var(--dark-gold));
    opacity: 0;
    transition: opacity 0.3s ease;
}

.preview-card:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow-card-hover);
}

.preview-card:hover::before {
    opacity: 1;
}

.preview-icon {
    font-size: 3rem;
    margin-bottom: 16px;
    display: block;
    text-align: center;
    line-height: 1;
}

.preview-card h3 {
    font-family: 'Playfair Display', serif;
    font-size: 1.15rem;
    font-weight: 600;
    color: var(--black);
    margin-bottom: 8px;
    letter-spacing: -0.01em;
}

.preview-card p {
    color: var(--gray);
    font-size: 0.88rem;
    line-height: 1.5;
}

.preview-footer {
    margin-top: 28px;
}

.preview-footer p {
    color: var(--gray);
    margin-bottom: 18px;
    font-size: 1rem;
}

.services-footer {
    text-align: center;
}

/* ========================================
   Campaign Banner
   ======================================== */
.campaign-banner {
    background: linear-gradient(135deg, var(--gold), var(--dark-gold));
    color: var(--white);
    padding: 44px 48px;
    border-radius: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 32px;
    box-shadow: 0 12px 40px rgba(179,159,132,0.3);
    position: relative;
    overflow: hidden;
}

.campaign-banner::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle at 30% 30%, rgba(255,255,255,0.12) 0%, transparent 50%);
    animation: shimmer 4s ease-in-out infinite;
    pointer-events: none;
}

.campaign-icon {
    font-size: 3.5rem;
    animation: bounce 2.5s ease-in-out infinite;
}

.campaign-text {
    text-align: left;
    position: relative;
    z-index: 2;
}

.campaign-text h3 {
    font-family: 'Playfair Display', serif;
    font-size: clamp(1.5rem, 3vw, 1.9rem);
    margin-bottom: 8px;
    font-weight: 700;
    letter-spacing: -0.02em;
}

.campaign-text p {
    font-size: 1.05rem;
    margin-bottom: 18px;
    opacity: 0.92;
    line-height: 1.5;
}

.campaign-btn {
    background: var(--white);
    color: var(--gold);
    padding: 14px 28px;
    border-radius: 50px;
    text-decoration: none;
    font-weight: 700;
    font-size: 14px;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    display: inline-block;
    box-shadow: 0 4px 16px rgba(0,0,0,0.2);
}

.campaign-btn:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 24px rgba(0,0,0,0.25);
    background: var(--light-gray);
}

/* ========================================
   Instagram / Gallery Section
   ======================================== */
.instagram-section {
    padding: 88px 40px;
    background: var(--light-gray);
    text-align: center;
}

.section-title {
    font-family: 'Playfair Display', serif;
    font-size: clamp(2rem, 5vw, 3.5rem);
    margin-bottom: 16px;
    color: var(--black);
    letter-spacing: -0.02em;
    line-height: 1.15;
}

.section-subtitle {
    font-size: 1.05rem;
    color: var(--gray);
    margin-bottom: 44px;
    max-width: 560px;
    margin-left: auto;
    margin-right: auto;
    line-height: 1.65;
}

.instagram-section .section-subtitle a:hover {
    text-decoration: underline;
}

.instagram-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: 20px;
    max-width: 1400px;
    margin: 0 auto;
}

.instagram-post {
    position: relative;
    padding-bottom: 100%;
    overflow: hidden;
    border-radius: 16px;
    cursor: pointer;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    will-change: transform;
    transform: translateZ(0);
    box-shadow: var(--shadow-card);
    background: var(--gray-400);
}

.instagram-post::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(180deg, transparent 50%, rgba(0,0,0,0.3) 100%);
    opacity: 0;
    transition: opacity 0.4s ease;
    z-index: 2;
    pointer-events: none;
}

.instagram-post:hover {
    transform: scale(1.04) translateY(-4px) translateZ(0);
    box-shadow: var(--shadow-card-hover);
}

.instagram-post:hover::before {
    opacity: 1;
}

.instagram-post img {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    transform: translateZ(0);
    transition: transform 0.5s cubic-bezier(0.4, 0, 0.2, 1);
}

.instagram-post:hover img {
    transform: scale(1.06) translateZ(0);
}

/* ========================================
   Utilities
   ======================================== */
.loading {
    display: flex;
    justify-content: center;
    align-items: center;
    height: 300px;
}

.spinner {
    width: 50px;
    height: 50px;
    border: 3px solid var(--light-gray);
    border-top-color: var(--gold);
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

.lightbox-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0,0,0,0.95);
    z-index: 10000;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    padding: 20px;
    animation: fadeIn 0.3s ease;
}

.lightbox-overlay img {
    max-width: 100%;
    max-height: 100%;
    object-fit: contain;
    border-radius: 10px;
    animation: zoomIn 0.3s ease;
}

.lightbox-close {
    position: absolute;
    top: 20px;
    right: 20px;
    width: 40px;
    height: 40px;
    background: rgba(255,255,255,0.2);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 24px;
    font-weight: bold;
    cursor: pointer;
    transition: all 0.3s ease;
    z-index: 10001;
    border: none;
}

.lightbox-close:hover {
    background: rgba(255,255,255,0.3);
    transform: rotate(90deg);
}

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

@keyframes shimmer {
    0%, 100% { opacity: 0.6; transform: translateX(-5%) translateY(-5%); }
    50%      { opacity: 1; transform: translateX(5%) translateY(5%); }
}

@keyframes bounce {
    0%, 20%, 50%, 80%, 100% { transform: translateY(0); }
    40%  { transform: translateY(-8px); }
    60%  { transform: translateY(-4px); }
}

@keyframes spin {
    to { transform: rotate(360deg); }
}

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

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

@keyframes zoomIn {
    from { transform: scale(0.8); opacity: 0; }
    to   { transform: scale(1); opacity: 1; }
}

@media (prefers-reduced-motion: reduce) {
    *, *::before, *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}

/* ========================================
   Responsive - Mobile
   ======================================== */
@media (max-width: 768px) {
    .hero {
        min-height: 100vh;
        min-height: 100dvh;
    }

    .hero-content {
        padding: 20px;
    }

    .hero-logo {
        font-size: clamp(2.2rem, 10vw, 4rem);
        margin-bottom: 14px;
    }

    .hero-subtitle {
        font-size: clamp(0.9rem, 4vw, 1.15rem);
        margin-bottom: 36px;
        letter-spacing: 0.2em;
    }

    .hero-buttons {
        flex-direction: column;
        align-items: center;
        gap: 14px;
    }

    .btn {
        width: 100%;
        max-width: 280px;
        justify-content: center;
    }

    .header {
        padding: 15px 20px;
        background: rgba(10,10,10,0.95) !important;
        backdrop-filter: blur(10px);
        box-shadow: 0 2px 20px rgba(0,0,0,0.3);
    }

    .header-nav {
        position: fixed;
        top: 70px;
        left: 0;
        width: 100%;
        height: calc(100vh - 70px);
        background: rgba(10,10,10,0.98);
        backdrop-filter: blur(20px);
        flex-direction: column;
        padding: 20px;
        transform: translateX(-100%);
        transition: transform 0.3s ease;
        box-shadow: 0 5px 20px rgba(0,0,0,0.5);
        max-height: calc(100vh - 70px);
        overflow-y: auto;
        z-index: 99;
    }

    .header-nav.mobile-open {
        transform: translateX(0);
    }

    .mobile-menu-btn {
        display: block !important;
        z-index: 101;
        font-size: 28px;
    }

    body.menu-open {
        overflow: hidden;
    }

    .header-nav a,
    .header-nav button {
        width: 100%;
        padding: 15px 0;
        border-bottom: 1px solid rgba(255,255,255,0.1);
        text-align: center;
    }

    .header-nav a:last-child,
    .header-nav button:last-child {
        border-bottom: none;
    }

    .cart-btn {
        justify-content: center;
        margin-top: 10px;
    }

    .services-section {
        padding: 60px 20px;
    }

    .services-cta {
        flex-direction: column;
        align-items: center;
    }

    .preview-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 15px;
    }

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

    .preview-icon {
        font-size: 2.5rem;
    }

    .preview-card h3 {
        font-size: 1rem;
    }

    .preview-card p {
        font-size: 0.8rem;
    }

    .campaign-banner {
        flex-direction: column;
        text-align: center;
        padding: 30px 20px;
        gap: 20px;
    }

    .campaign-text {
        text-align: center;
    }

    .campaign-text h3 {
        font-size: 1.5rem;
    }

    .campaign-icon {
        font-size: 3rem;
    }

    .instagram-section {
        padding: 60px 20px;
    }

    .instagram-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 12px;
    }

    .instagram-post {
        border-radius: 15px;
        box-shadow: 0 5px 15px rgba(0,0,0,0.2);
    }

    .instagram-post:hover {
        transform: scale(1.05) translateY(-3px);
        box-shadow: 0 10px 30px rgba(179,159,132,0.3);
    }

    .section-title {
        font-size: clamp(1.5rem, 6vw, 2.5rem);
        margin-bottom: 15px;
    }

    .section-subtitle {
        font-size: 0.95rem;
        margin-bottom: 30px;
        padding: 0 10px;
    }

    .lightbox-overlay {
        padding: 10px !important;
    }

    .lightbox-overlay img {
        max-width: 100% !important;
        max-height: calc(100vh - 80px) !important;
    }

    .lightbox-close {
        top: 10px !important;
        right: 10px !important;
        width: 35px !important;
        height: 35px !important;
        font-size: 20px !important;
    }
}

/* Tablet */
@media (min-width: 769px) and (max-width: 1024px) {
    .instagram-grid {
        grid-template-columns: repeat(3, 1fr);
        gap: 15px;
    }
}

@media (min-width: 769px) {
    .header-nav {
        display: flex !important;
        position: static !important;
        transform: none !important;
    }
}