/*
 * Mis Plus Temizlik - Premium Design System (style.css)
 * Premium Architecture combining Apple, Stripe, Linear, and Vercel design languages.
 * Font: Manrope (Headings), Inter (Body)
 * Color Theme: White, Lacivert (Navy), Turkuaz (Turquoise), Açık Gri (Light Grey), Green (CTA Only)
 */

/* Import Google Fonts */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&family=Manrope:wght@500;600;700;800&display=swap');

/* CSS Custom Properties / Design Tokens */
:root {
    /* Color Palette */
    --color-white: #ffffff;
    --color-bg-light: #f8fafc;
    --color-bg-light-alt: #f1f5f9;
    --color-navy: #0f172a;           /* Deep dark blue / text */
    --color-navy-dark: #020617;      /* Pure dark navy for hero/dark blocks */
    --color-navy-light: #1e293b;     /* Card background dark / headers */
    --color-turquoise: #0ea5e9;      /* Turquoise clean primary */
    --color-turquoise-rgb: 14, 165, 233;
    --color-turquoise-hover: #0284c7;
    --color-accent-green: #10b981;   /* GREEN ONLY FOR CTA */
    --color-accent-green-hover: #059669;
    --color-grey-light: #e2e8f0;
    --color-grey: #64748b;
    --color-grey-muted: #94a3b8;
    
    /* Typography */
    --font-heading: 'Manrope', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
    --font-body: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;

    /* Shadows (Stripe-like soft shadows) */
    --shadow-soft-sm: 0 2px 8px rgba(15, 23, 42, 0.04);
    --shadow-soft-md: 0 8px 30px rgba(15, 23, 42, 0.06);
    --shadow-soft-lg: 0 20px 40px rgba(15, 23, 42, 0.08);
    --shadow-glass: 0 8px 32px 0 rgba(0, 0, 0, 0.08);

    /* Grid & Spacing */
    --spacing-xs: 8px;
    --spacing-sm: 16px;
    --spacing-md: 24px;
    --spacing-lg: 32px;
    --spacing-xl: 48px;
    --spacing-xxl: 80px;
    --spacing-huge: 120px;

    /* Transitions & Animations defaults */
    --transition-fast: 0.2s cubic-bezier(0.16, 1, 0.3, 1);
    --transition-smooth: 0.4s cubic-bezier(0.16, 1, 0.3, 1);
    --transition-slow: 0.8s cubic-bezier(0.16, 1, 0.3, 1);
}

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

html {
    scroll-behavior: smooth;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    font-size: 16px;
    overflow-x: hidden; /* Prevent horizontal bleed on mobile */
}

body {
    font-family: var(--font-body);
    background-color: var(--color-bg-light);
    color: var(--color-navy);
    line-height: 1.6;
    overflow-x: hidden;
}

/* Common Text Formats */
h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-heading);
    font-weight: 700;
    color: var(--color-navy);
    line-height: 1.25;
}

p {
    font-size: 1rem;
    font-weight: 400;
    color: var(--color-grey);
}

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

img, video {
    max-width: 100%;
    height: auto;
    display: block;
    border-radius: var(--spacing-sm);
}

/* Container Structure */
.container {
    width: 100%;
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 var(--spacing-md);
}

.section-padding {
    padding: var(--spacing-huge) 0;
}

/* Typography Helpers */
.title-large {
    font-size: clamp(2.5rem, 5vw, 4.5rem);
    font-weight: 800;
    letter-spacing: -0.03em;
    line-height: 1.1;
}

.title-medium {
    font-size: clamp(2rem, 3.5vw, 3rem);
    font-weight: 700;
    letter-spacing: -0.02em;
    line-height: 1.2;
}

.title-small {
    font-size: clamp(1.25rem, 2vw, 1.75rem);
    font-weight: 600;
    letter-spacing: -0.01em;
}

.text-gradient {
    background: linear-gradient(135deg, var(--color-navy) 30%, var(--color-turquoise) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.text-gradient-light {
    background: linear-gradient(135deg, var(--color-white) 40%, var(--color-turquoise) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.badge {
    display: inline-block;
    padding: 6px 16px;
    border-radius: 9999px;
    font-size: 0.85rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    background-color: rgba(14, 165, 233, 0.1);
    color: var(--color-turquoise);
    border: 1px solid rgba(14, 165, 233, 0.2);
    margin-bottom: var(--spacing-md);
}

/* Premium Buttons & Links */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-xs);
    padding: 14px 28px;
    border-radius: 9999px;
    font-family: var(--font-heading);
    font-size: 0.95rem;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition-smooth);
    border: 1px solid transparent;
}

.btn-primary {
    background-color: var(--color-navy);
    color: var(--color-white);
    box-shadow: 0 4px 14px rgba(15, 23, 42, 0.1);
}

.btn-primary:hover {
    background-color: var(--color-turquoise);
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(14, 165, 233, 0.3);
}

.btn-secondary {
    background-color: var(--color-white);
    color: var(--color-navy);
    border-color: var(--color-grey-light);
    box-shadow: var(--shadow-soft-sm);
}

.btn-secondary:hover {
    border-color: var(--color-turquoise);
    color: var(--color-turquoise);
    transform: translateY(-2px);
    box-shadow: var(--shadow-soft-md);
}

.btn-cta-green {
    background-color: var(--color-accent-green);
    color: var(--color-white);
    box-shadow: 0 4px 14px rgba(16, 185, 129, 0.25);
}

.btn-cta-green:hover {
    background-color: var(--color-accent-green-hover);
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(16, 185, 129, 0.4);
}

.btn-glass {
    background: rgba(255, 255, 255, 0.08);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border: 1px solid rgba(255, 255, 255, 0.1);
    color: var(--color-white);
}

.btn-glass:hover {
    background: rgba(255, 255, 255, 0.15);
    border-color: var(--color-turquoise);
    transform: translateY(-2px);
}

/* Premium Headers (Sticky Navigation) */
header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    transition: var(--transition-smooth);
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border-bottom: 1px solid rgba(15, 23, 42, 0.06);
    box-shadow: 0 4px 30px rgba(15, 23, 42, 0.03);
}

header.scrolled {
    background: rgba(255, 255, 255, 0.98);
    box-shadow: 0 10px 30px rgba(15, 23, 42, 0.06);
}

.nav-container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 90px;
    transition: var(--transition-smooth);
}

header.scrolled .nav-container {
    height: 75px;
}

.logo {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    font-family: var(--font-heading);
    font-weight: 800;
    font-size: 1.4rem;
    color: var(--color-navy);
}

.logo-icon {
    width: 32px;
    height: 32px;
    background: linear-gradient(135deg, var(--color-turquoise) 0%, var(--color-navy) 100%);
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-white);
    font-weight: 800;
    font-size: 1.1rem;
}

.logo-text span {
    color: var(--color-turquoise);
}

.nav-menu {
    display: flex;
    align-items: center;
    list-style: none;
    gap: var(--spacing-lg);
}

.nav-item a {
    font-family: var(--font-heading);
    font-size: 0.95rem;
    font-weight: 600;
    color: var(--color-navy);
    position: relative;
    padding: 8px 0;
    transition: var(--transition-smooth);
}

.nav-item a:hover {
    color: var(--color-turquoise);
}

.nav-item a::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background-color: var(--color-turquoise);
    transition: var(--transition-smooth);
}

.nav-item a:hover::after,
.nav-item.active a::after {
    width: 100%;
}

.nav-item.active a {
    color: var(--color-turquoise);
}

.nav-cta {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
}

/* Mobile Hamburger Menu */
.hamburger {
    display: none;
    flex-direction: column;
    justify-content: space-between;
    width: 24px;
    height: 18px;
    cursor: pointer;
    background: transparent;
    border: none;
    z-index: 1010;
}

.hamburger span {
    display: block;
    height: 2px;
    width: 100%;
    background-color: var(--color-navy);
    border-radius: 4px;
    transition: var(--transition-smooth);
}

/* Glassmorphism Background elements */
.blur-circle {
    position: absolute;
    border-radius: 50%;
    filter: blur(150px);
    opacity: 0.35;
    pointer-events: none;
    z-index: 0;
}

.blur-1 {
    width: 500px;
    height: 500px;
    background-color: var(--color-turquoise);
    top: -10%;
    right: -10%;
}

.blur-2 {
    width: 400px;
    height: 400px;
    background-color: rgba(14, 165, 233, 0.4);
    bottom: 10%;
    left: -5%;
}

/* Before / After Slider Styling */
.before-after-wrapper {
    position: relative;
    width: 100%;
    aspect-ratio: 16/10;
    border-radius: var(--radius-md);
    overflow: hidden;
    box-shadow: var(--shadow-soft-lg);
    user-select: none;
}

.before-after-img {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    pointer-events: none;
}

.before-after-img-before {
    z-index: 1;
}

.before-after-img-after {
    z-index: 2;
    clip-path: polygon(0 0, 50% 0, 50% 100%, 0 100%);
}

.before-after-slider {
    position: absolute;
    top: 0;
    bottom: 0;
    left: 50%;
    width: 2px;
    background: var(--color-white);
    z-index: 3;
    cursor: ew-resize;
    transform: translateX(-50%);
}

.before-after-handle {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 44px;
    height: 44px;
    background: var(--color-white);
    border: 3px solid var(--color-turquoise);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 4px 10px rgba(0, 0, 0, 0.25);
    pointer-events: none;
    color: var(--color-turquoise);
}

.before-after-handle svg {
    width: 18px;
    height: 18px;
}

.before-after-label {
    position: absolute;
    bottom: var(--spacing-sm);
    z-index: 4;
    padding: 6px 12px;
    background: rgba(15, 23, 42, 0.7);
    color: var(--color-white);
    font-size: 0.8rem;
    font-weight: 600;
    letter-spacing: 0.05em;
    text-transform: uppercase;
    border-radius: 4px;
    backdrop-filter: blur(4px);
}

.label-before {
    left: var(--spacing-sm);
}

.label-after {
    right: var(--spacing-sm);
}

/* Bento Grid Cards */
.bento-grid {
    display: grid;
    grid-template-columns: repeat(12, 1fr);
    gap: var(--spacing-md);
}

.bento-card {
    background: var(--color-white);
    border-radius: var(--radius-md);
    border: 1px solid var(--color-grey-light);
    padding: var(--spacing-lg);
    box-shadow: var(--shadow-soft-sm);
    transition: var(--transition-smooth);
    position: relative;
    overflow: hidden;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
}

.bento-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-soft-lg);
    border-color: var(--color-turquoise);
}

/* Luxury Interactive Timelines */
.timeline-flow {
    position: relative;
    max-width: 900px;
    margin: 0 auto;
    padding: var(--spacing-lg) 0;
}

.timeline-flow::before {
    content: '';
    position: absolute;
    top: 0;
    bottom: 0;
    left: 50%;
    width: 2px;
    background: var(--color-grey-light);
    transform: translateX(-50%);
}

.timeline-item {
    margin-bottom: var(--spacing-xxl);
    position: relative;
    width: 50%;
    padding-right: var(--spacing-xl);
}

.timeline-item:nth-child(even) {
    align-self: flex-end;
    margin-left: auto;
    padding-right: 0;
    padding-left: var(--spacing-xl);
}

.timeline-badge {
    position: absolute;
    top: 4px;
    right: -20px;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: var(--color-white);
    border: 3px solid var(--color-turquoise);
    color: var(--color-navy);
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    z-index: 5;
    box-shadow: var(--shadow-soft-sm);
    transition: var(--transition-smooth);
}

.timeline-item:nth-child(even) .timeline-badge {
    right: auto;
    left: -20px;
}

.timeline-content {
    background: var(--color-white);
    padding: var(--spacing-lg);
    border-radius: var(--radius-md);
    border: 1px solid var(--color-grey-light);
    box-shadow: var(--shadow-soft-sm);
    transition: var(--transition-smooth);
}

.timeline-item:hover .timeline-content {
    border-color: var(--color-turquoise);
    transform: translateY(-2px);
    box-shadow: var(--shadow-soft-lg);
}

.timeline-item:hover .timeline-badge {
    background: var(--color-turquoise);
    color: var(--color-white);
    transform: scale(1.1);
}

/* FAQ Accordion Styling */
.faq-accordion {
    max-width: 800px;
    margin: 0 auto;
}

.faq-item {
    background: var(--color-white);
    border-radius: var(--radius-md);
    border: 1px solid var(--color-grey-light);
    margin-bottom: var(--spacing-sm);
    overflow: hidden;
    transition: var(--transition-smooth);
}

.faq-header {
    padding: var(--spacing-md) var(--spacing-lg);
    display: flex;
    justify-content: space-between;
    align-items: center;
    cursor: pointer;
    user-select: none;
    font-family: var(--font-heading);
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--color-navy);
}

.faq-icon {
    width: 24px;
    height: 24px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    background: var(--color-bg-light-alt);
    color: var(--color-navy);
    transition: var(--transition-smooth);
}

.faq-body {
    max-height: 0;
    overflow: hidden;
    transition: max-height var(--transition-smooth);
    padding: 0 var(--spacing-lg);
}

.faq-content {
    padding-bottom: var(--spacing-md);
    color: var(--color-grey);
}

.faq-item.active {
    border-color: var(--color-turquoise);
    box-shadow: var(--shadow-soft-md);
}

.faq-item.active .faq-icon {
    background: var(--color-turquoise);
    color: var(--color-white);
    transform: rotate(45deg);
}

.faq-item.active .faq-body {
    max-height: 250px;
}

/* Fixed Floating Widgets (WhatsApp & Call Buttons) */
.fixed-widgets {
    position: fixed;
    bottom: var(--spacing-md);
    right: var(--spacing-md);
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xs);
    z-index: 999;
}

.floating-btn {
    width: 52px;
    height: 52px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-white);
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.15);
    transition: var(--transition-smooth);
    position: relative;
}

.floating-btn svg {
    width: 26px;
    height: 26px;
    fill: currentColor;
}

.floating-btn-whatsapp {
    background-color: var(--color-accent-green);
}

.floating-btn-whatsapp:hover {
    background-color: var(--color-accent-green-hover);
    transform: scale(1.1) translateY(-2px);
    box-shadow: 0 6px 20px rgba(16, 185, 129, 0.4);
}

.floating-btn-call {
    background-color: var(--color-turquoise);
}

.floating-btn-call:hover {
    background-color: var(--color-turquoise-hover);
    transform: scale(1.1) translateY(-2px);
    box-shadow: 0 6px 20px rgba(14, 165, 233, 0.4);
}

/* Floating label/tooltip for buttons */
.floating-btn::before {
    content: attr(data-label);
    position: absolute;
    right: 64px;
    top: 50%;
    transform: translateY(-50%) translateX(10px);
    background: var(--color-navy);
    color: var(--color-white);
    padding: 6px 12px;
    border-radius: 6px;
    font-size: 0.75rem;
    font-weight: 600;
    white-space: nowrap;
    opacity: 0;
    pointer-events: none;
    transition: var(--transition-fast);
    box-shadow: var(--shadow-soft-md);
}

.floating-btn:hover::before {
    opacity: 1;
    transform: translateY(-50%) translateX(0);
}

/* Footer Section */
footer {
    background-color: var(--color-navy-dark);
    color: rgba(255, 255, 255, 0.8);
    padding-top: var(--spacing-xxl);
    border-top: 1px solid rgba(255, 255, 255, 0.05);
}

.footer-top {
    display: grid;
    grid-template-columns: repeat(12, 1fr);
    gap: var(--spacing-xl);
    padding-bottom: var(--spacing-xl);
}

.footer-col {
    grid-column: span 3;
}

.footer-about-col {
    grid-column: span 4;
}

.footer-contact-col {
    grid-column: span 2;
}

.footer-nav-col {
    grid-column: span 3;
}

.footer-title {
    font-family: var(--font-heading);
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--color-white);
    margin-bottom: var(--spacing-md);
    position: relative;
}

.footer-title::after {
    content: '';
    position: absolute;
    bottom: -8px;
    left: 0;
    width: 30px;
    height: 2px;
    background-color: var(--color-turquoise);
}

.footer-links {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

.footer-links a {
    color: rgba(255, 255, 255, 0.65);
    transition: var(--transition-fast);
}

.footer-links a:hover {
    color: var(--color-turquoise);
    padding-left: 4px;
}

.footer-about-text {
    margin-top: var(--spacing-md);
    color: rgba(255, 255, 255, 0.65);
    font-size: 0.95rem;
}

.footer-logo {
    color: var(--color-white);
    font-weight: 800;
    font-size: 1.4rem;
    display: inline-flex;
    align-items: center;
    gap: 8px;
}

.footer-logo span {
    color: var(--color-turquoise);
}

.footer-socials {
    display: flex;
    gap: var(--spacing-sm);
    margin-top: var(--spacing-md);
}

.social-icon {
    width: 38px;
    height: 38px;
    border-radius: 50%;
    background-color: rgba(255, 255, 255, 0.05);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-white);
    transition: var(--transition-smooth);
    border: 1px solid rgba(255, 255, 255, 0.05);
}

.social-icon:hover {
    background-color: var(--color-turquoise);
    color: var(--color-white);
    transform: translateY(-2px);
}

.footer-bottom {
    padding: var(--spacing-md) 0;
    border-top: 1px solid rgba(255, 255, 255, 0.05);
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 0.85rem;
    color: rgba(255, 255, 255, 0.5);
}

/* Premium Form Elements */
.premium-form-group {
    position: relative;
    margin-bottom: var(--spacing-md);
}

.premium-input, .premium-textarea {
    width: 100%;
    padding: 16px 20px;
    background: var(--color-bg-light-alt);
    border: 1px solid var(--color-grey-light);
    border-radius: 12px;
    outline: none;
    font-family: var(--font-body);
    font-size: 0.95rem;
    color: var(--color-navy);
    transition: var(--transition-smooth);
}

.premium-textarea {
    min-height: 140px;
    resize: vertical;
}

.premium-input:focus, .premium-textarea:focus {
    border-color: var(--color-turquoise);
    background: var(--color-white);
    box-shadow: 0 0 0 4px var(--color-turquoise-glow);
}

.premium-label {
    position: absolute;
    left: 20px;
    top: 16px;
    pointer-events: none;
    color: var(--color-grey);
    transition: var(--transition-smooth);
    font-size: 0.95rem;
}

.premium-input:focus ~ .premium-label,
.premium-input:not(:placeholder-shown) ~ .premium-label,
.premium-textarea:focus ~ .premium-label,
.premium-textarea:not(:placeholder-shown) ~ .premium-label {
    top: -8px;
    left: 14px;
    font-size: 0.75rem;
    font-weight: 600;
    background: var(--color-white);
    padding: 2px 8px;
    color: var(--color-turquoise);
    border-radius: 4px;
}

/* Section Dividers */
.section-divider {
    position: relative;
    height: 1px;
    background: radial-gradient(circle, var(--color-grey-light) 0%, rgba(255,255,255,0) 70%);
}

.section-divider::before {
    content: '';
    position: absolute;
    top: -4px;
    left: 50%;
    transform: translateX(-50%);
    width: 8px;
    height: 8px;
    background-color: var(--color-turquoise);
    border-radius: 50%;
    box-shadow: 0 0 10px var(--color-turquoise);
}