/* ============================================================
   01. ROOT & RESET
   ============================================================ */
@import url('https://fonts.googleapis.com/css2?family=Outfit:wght@300;400;500;600;700;800;900&family=Plus+Jakarta+Sans:ital,wght@0,300;0,400;0,500;0,600;0,700;1,400&display=swap');

:root {
    --clr-navy: #0E2941;
    --clr-navy-light: #163B5E;
    --clr-navy-dark: #071522;
    --clr-orange: #F26622;
    --clr-orange-hover: #D85515;
    --clr-orange-glow: rgba(242, 102, 34, 0.2);
    --clr-light: #F8FAFC;
    --clr-white: #FFFFFF;
    --clr-text-main: #1E293B;
    --clr-text-muted: #64748B;
    --clr-border: #E2E8F0;
    --clr-border-dark: rgba(255, 255, 255, 0.1);
    
    --font-heading: 'Outfit', sans-serif;
    --font-body: 'Plus Jakarta Sans', sans-serif;
    
    --radius-sm: 8px;
    --radius-md: 16px;
    --radius-lg: 24px;
    --radius-pill: 100px;
    
    --transition-fast: 0.2s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-normal: 0.4s cubic-bezier(0.16, 1, 0.3, 1);
    --transition-slow: 0.8s cubic-bezier(0.16, 1, 0.3, 1);
    
    --shadow-sm: 0 4px 6px -1px rgba(0, 0, 0, 0.05);
    --shadow-md: 0 10px 30px -5px rgba(14, 41, 65, 0.08);
    --shadow-lg: 0 25px 50px -12px rgba(14, 41, 65, 0.15);
    --shadow-orange: 0 10px 30px -5px var(--clr-orange-glow);
}

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

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

body {
    font-family: var(--font-body);
    background-color: var(--clr-light);
    color: var(--clr-text-main);
    line-height: 1.6;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-heading);
    line-height: 1.2;
    color: var(--clr-navy);
}

a {
    text-decoration: none;
    color: inherit;
}

ul {
    list-style: none;
}

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

/* ============================================================
   02. PRELOADER & SCROLLBAR
   ============================================================ */
::-webkit-scrollbar {
    width: 10px;
}
::-webkit-scrollbar-track {
    background: var(--clr-light);
}
::-webkit-scrollbar-thumb {
    background: var(--clr-navy-light);
    border-radius: 10px;
}
::-webkit-scrollbar-thumb:hover {
    background: var(--clr-orange);
}

#preloader {
    position: fixed;
    inset: 0;
    background: var(--clr-navy);
    z-index: 100000;
    display: flex;
    justify-content: center;
    align-items: center;
    flex-direction: column;
    transition: opacity 0.8s ease, visibility 0.8s ease;
}
.loader-brand {
    font-family: var(--font-heading);
    font-size: 3rem;
    font-weight: 800;
    color: var(--clr-white);
    margin-bottom: 20px;
    display: flex;
    overflow: hidden;
}
.loader-brand span {
    color: var(--clr-orange);
}
.loader-bar-wrap {
    width: 200px;
    height: 4px;
    background: rgba(255,255,255,0.1);
    border-radius: 4px;
    overflow: hidden;
}
.loader-bar {
    width: 0%;
    height: 100%;
    background: var(--clr-orange);
    animation: loadingBar 2s cubic-bezier(0.16, 1, 0.3, 1) forwards;
}
@keyframes loadingBar {
    0% { width: 0%; }
    50% { width: 70%; }
    100% { width: 100%; }
}

#progress-container {
    position: fixed;
    top: 0; left: 0; width: 100%; height: 4px;
    background: transparent;
    z-index: 9998;
}
#progress-bar {
    height: 100%;
    background: var(--clr-orange);
    width: 0%;
    transition: width 0.1s linear;
}

/* ============================================================
   03. LAYOUT & UTILITIES
   ============================================================ */
.container {
    width: 100%;
    max-width: 1320px;
    margin: 0 auto;
    padding: 0 2rem;
}

section {
    padding: 120px 0;
    position: relative;
}

.section-header {
    text-align: center;
    margin-bottom: 80px;
    position: relative;
    z-index: 2;
}

.subtitle {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    font-family: var(--font-heading);
    font-weight: 700;
    font-size: 0.875rem;
    text-transform: uppercase;
    letter-spacing: 2px;
    color: var(--clr-orange);
    margin-bottom: 15px;
    background: var(--clr-orange-glow);
    padding: 8px 20px;
    border-radius: var(--radius-pill);
}

.section-title {
    font-size: clamp(2.5rem, 5vw, 4rem);
    font-weight: 800;
    letter-spacing: -0.03em;
    margin-bottom: 20px;
}
.section-title span {
    color: var(--clr-orange);
}

.section-desc {
    max-width: 600px;
    margin: 0 auto;
    color: var(--clr-text-muted);
    font-size: 1.125rem;
}

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 12px;
    padding: 18px 40px;
    font-family: var(--font-heading);
    font-weight: 700;
    font-size: 1rem;
    border-radius: var(--radius-pill);
    transition: var(--transition-normal);
    position: relative;
    overflow: hidden;
    border: none;
    outline: none;
    cursor: pointer;
}
.btn-primary {
    background-color: var(--clr-orange);
    color: var(--clr-white);
    box-shadow: var(--shadow-orange);
}
.btn-primary::before {
    content: '';
    position: absolute;
    top: 0; left: -100%; width: 100%; height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.2), transparent);
    transition: var(--transition-normal);
}
.btn-primary:hover::before {
    left: 100%;
}
.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 15px 35px -5px rgba(242, 102, 34, 0.4);
}

.btn-outline {
    background-color: transparent;
    color: var(--clr-white);
    border: 2px solid rgba(255,255,255,0.2);
}
.btn-outline:hover {
    border-color: var(--clr-orange);
    background-color: var(--clr-orange);
    transform: translateY(-3px);
}

/* ============================================================
   04. HEADER & NAVIGATION
   ============================================================ */
.header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    padding: 15px 0;
    z-index: 10000; /* Menünün üstünde kalması için 10000 yapıldı */
    transition: padding 0.4s ease, background-color 0.4s ease, backdrop-filter 0.4s ease, box-shadow 0.4s ease;
    border-bottom: 1px solid rgba(255,255,255,0.05);
}

.header.scrolled {
    padding: 10px 0;
    background-color: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    box-shadow: var(--shadow-sm);
    border-bottom: 1px solid var(--clr-border);
}

.nav-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

/* ---> LOGO BOYUTLANDIRMASI <--- */
.logo {
    flex-shrink: 0; /* Mobilde ekran daralsa bile logonun ezilmesini kesinlikle yasaklar */
    display: flex;
    align-items: center;
}

.logo img {
    height: 110px;
    width: auto; /* Logonun tost olmasını engeller, orantılı büyür/küçülür! */
    object-fit: contain;
    transition: var(--transition-normal);
}

.header.scrolled .logo img {
    height: 80px;
    filter: invert(1) hue-rotate(180deg) brightness(0.2);
}

/* Menü açıldığında beyaz logonun laciverte dönmesini sağlar */
.header:has(.hamburger.active) .logo img {
    filter: invert(1) hue-rotate(180deg) brightness(0.2);
}

/* ============================================================
   SADECE MOBİL EKRANLAR İÇİN LOGO BOYUTU
   ============================================================ */
@media (max-width: 992px) {
    .logo img {
        height: 70px; /* Mobilde devasa kalıp navbarı patlatmaması için 70px'e sabitledik */
    }
    .header.scrolled .logo img {
        height: 55px; /* Mobilde aşağı kaydırınca kibarca küçülür */
    }
}

.nav-menu {
    display: flex;
    gap: 40px;
}

.nav-link {
    font-family: var(--font-heading);
    font-weight: 600;
    font-size: 1rem;
    color: var(--clr-white);
    position: relative;
    padding: 5px 0;
    transition: var(--transition-fast);
}
.header.scrolled .nav-link {
    color: var(--clr-navy);
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background-color: var(--clr-orange);
    transition: var(--transition-normal);
}
.nav-link:hover::after, .nav-link.active::after {
    width: 100%;
}

.nav-actions {
    display: flex;
    align-items: center;
    gap: 20px;
}

.call-btn {
    display: flex;
    align-items: center;
    gap: 10px;
    font-family: var(--font-heading);
    font-weight: 700;
    color: var(--clr-white);
    background: rgba(255,255,255,0.1);
    padding: 12px 24px;
    border-radius: var(--radius-pill);
    border: 1px solid rgba(255,255,255,0.1);
    transition: var(--transition-normal);
}
.header.scrolled .call-btn {
    background: var(--clr-navy);
    color: var(--clr-white);
    border-color: var(--clr-navy);
}
.call-btn:hover {
    background: var(--clr-orange);
    border-color: var(--clr-orange);
    transform: translateY(-2px);
    color: var(--clr-white) !important;
}

/* ============================================================
   05. HERO SECTION
   ============================================================ */
.hero {
    min-height: 100vh;
    background-color: var(--clr-navy-dark);
    display: flex;
    align-items: center;
    position: relative;
    overflow: hidden;
    padding-top: 100px;
}

.hero-bg-shapes {
    position: absolute;
    inset: 0;
    z-index: 1;
    overflow: hidden;
    pointer-events: none;
}
.shape-1 {
    position: absolute;
    top: -10%; right: -5%;
    width: 800px; height: 800px;
    background: radial-gradient(circle, rgba(242, 102, 34, 0.15) 0%, transparent 70%);
    border-radius: 50%;
    filter: blur(60px);
    animation: floatShape 15s ease-in-out infinite alternate;
}
.shape-2 {
    position: absolute;
    bottom: -20%; left: -10%;
    width: 600px; height: 600px;
    background: radial-gradient(circle, rgba(14, 41, 65, 0.8) 0%, transparent 70%);
    border-radius: 50%;
    filter: blur(40px);
    animation: floatShape 20s ease-in-out infinite alternate-reverse;
}
.hero-grid-overlay {
    position: absolute;
    inset: 0;
    background-image: 
        linear-gradient(rgba(255, 255, 255, 0.03) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255, 255, 255, 0.03) 1px, transparent 1px);
    background-size: 50px 50px;
    z-index: 2;
    mask-image: radial-gradient(ellipse at center, black 40%, transparent 100%);
    -webkit-mask-image: radial-gradient(ellipse at center, black 40%, transparent 100%);
}

@keyframes floatShape {
    100% { transform: translate(-50px, 50px) scale(1.1); }
}

.hero-content {
    position: relative;
    z-index: 3;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
}

.hero-text-box h1 {
    font-size: clamp(3.5rem, 6vw, 5.5rem);
    color: var(--clr-white);
    font-weight: 900;
    line-height: 1.05;
    margin-bottom: 30px;
    letter-spacing: -0.04em;
}
.hero-text-box h1 .highlight {
    color: var(--clr-orange);
    position: relative;
    display: inline-block;
}
.hero-text-box h1 .highlight::after {
    content: '';
    position: absolute;
    bottom: 8px; left: 0; width: 100%; height: 15px;
    background: rgba(242, 102, 34, 0.3);
    z-index: -1;
    transform: skewX(-15deg);
}

.hero-text-box p {
    font-size: 1.25rem;
    color: rgba(255,255,255,0.7);
    margin-bottom: 40px;
    max-width: 90%;
}

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

.hero-visual {
    position: relative;
    height: 600px;
    display: flex;
    align-items: center;
    justify-content: center;
}
.floating-stat-card {
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    padding: 30px;
    border-radius: var(--radius-lg);
    position: absolute;
    color: var(--clr-white);
    box-shadow: 0 25px 50px rgba(0,0,0,0.3);
    animation: floatCard 6s ease-in-out infinite;
}
.stat-1 { top: 10%; right: 10%; animation-delay: 0s; }
.stat-2 { bottom: 15%; left: 0; animation-delay: 2s; }
.stat-3 { top: 40%; left: -10%; animation-delay: 4s; }

@keyframes floatCard {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-20px); }
}

.stat-icon {
    width: 50px; height: 50px;
    background: var(--clr-orange-glow);
    color: var(--clr-orange);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    margin-bottom: 15px;
}
.floating-stat-card h3 {
    color: var(--clr-white);
    font-size: 2.5rem;
    margin-bottom: 5px;
}
.floating-stat-card p {
    color: rgba(255,255,255,0.6);
    font-size: 0.875rem;
    text-transform: uppercase;
    letter-spacing: 1px;
}

/* ============================================================
   06. SCROLLING TICKER
   ============================================================ */
.ticker-section {
    background: var(--clr-orange);
    padding: 25px 0;
    overflow: hidden;
    position: relative;
    border-top: 1px solid rgba(255,255,255,0.1);
    border-bottom: 1px solid rgba(255,255,255,0.1);
    transform: rotate(-1deg) scale(1.02);
    margin-top: -20px;
    z-index: 10;
}
.ticker-wrapper {
    display: flex;
    width: max-content;
    animation: marquee 30s linear infinite;
}
.ticker-item {
    display: flex;
    align-items: center;
    gap: 40px;
    padding: 0 40px;
}
.ticker-text {
    font-family: var(--font-heading);
    font-size: 1.5rem;
    font-weight: 800;
    color: var(--clr-navy-dark);
    text-transform: uppercase;
    letter-spacing: 2px;
}
.ticker-icon {
    color: var(--clr-white);
    font-size: 1rem;
}
@keyframes marquee {
    100% { transform: translateX(-50%); }
}

/* ============================================================
   07. PREMIUM BENTO GRID (HİZMETLER)
   ============================================================ */
.services-section {
    background: var(--clr-light);
    position: relative;
}
.services-section::before {
    content: 'HİZMETLER';
    position: absolute;
    top: 50px;
    left: 50%;
    transform: translateX(-50%);
    font-family: var(--font-heading);
    font-size: 15vw;
    font-weight: 900;
    color: rgba(14, 41, 65, 0.02);
    white-space: nowrap;
    z-index: 0;
    pointer-events: none;
}

.bento-grid {
    display: grid;
    grid-template-columns: repeat(12, 1fr);
    grid-auto-rows: 350px;
    gap: 24px;
    position: relative;
    z-index: 2;
}

.bento-card {
    background: var(--clr-white);
    border-radius: var(--radius-lg);
    padding: 40px;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    position: relative;
    overflow: hidden;
    border: 1px solid var(--clr-border);
    transition: var(--transition-normal);
}

.bento-large { grid-column: span 8; }
.bento-medium { grid-column: span 4; }
.bento-wide { grid-column: span 6; }

.bento-card::before {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, var(--clr-navy) 0%, var(--clr-navy-dark) 100%);
    opacity: 0;
    transition: opacity 0.5s ease;
    z-index: 1;
}

.bento-card:hover {
    transform: translateY(-10px);
    border-color: transparent;
    box-shadow: var(--shadow-lg);
}
.bento-card:hover::before {
    opacity: 1;
}

.bento-content {
    position: relative;
    z-index: 2;
    height: 100%;
    display: flex;
    flex-direction: column;
}

.bento-icon {
    width: 70px;
    height: 70px;
    background: var(--clr-light);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2rem;
    color: var(--clr-navy);
    margin-bottom: auto;
    transition: var(--transition-normal);
}
.bento-card:hover .bento-icon {
    background: var(--clr-orange);
    color: var(--clr-white);
    transform: scale(1.1) rotate(-5deg);
}

.bento-text h3 {
    font-size: 1.75rem;
    margin-bottom: 15px;
    transition: var(--transition-normal);
}
.bento-text p {
    color: var(--clr-text-muted);
    font-size: 1.05rem;
    transition: var(--transition-normal);
}

.bento-card:hover .bento-text h3,
.bento-card:hover .bento-text p {
    color: var(--clr-white);
}

.bento-number {
    position: absolute;
    top: 30px;
    right: 30px;
    font-family: var(--font-heading);
    font-size: 4rem;
    font-weight: 900;
    color: var(--clr-light);
    line-height: 1;
    z-index: 2;
    transition: var(--transition-normal);
}
.bento-card:hover .bento-number {
    color: rgba(255,255,255,0.05);
}

/* ============================================================
   08. PROCESS & TIMELINE
   ============================================================ */
.process-section {
    background: var(--clr-navy);
    color: var(--clr-white);
}

.process-section .section-title { color: var(--clr-white); }
.process-section .section-desc { color: rgba(255,255,255,0.7); }

.timeline {
    position: relative;
    max-width: 1000px;
    margin: 80px auto 0;
}
.timeline::before {
    content: '';
    position: absolute;
    top: 0; left: 50%;
    width: 2px; height: 100%;
    background: rgba(255,255,255,0.1);
    transform: translateX(-50%);
}

.timeline-item {
    display: flex;
    justify-content: flex-end;
    padding-right: 50%;
    position: relative;
    margin-bottom: 60px;
}
.timeline-item:nth-child(even) {
    justify-content: flex-start;
    padding-right: 0;
    padding-left: 50%;
}

.timeline-dot {
    position: absolute;
    top: 0; left: 50%;
    transform: translate(-50%, 0);
    width: 24px; height: 24px;
    background: var(--clr-orange);
    border-radius: 50%;
    border: 4px solid var(--clr-navy);
    box-shadow: 0 0 0 4px rgba(242, 102, 34, 0.2);
    z-index: 2;
}

.timeline-content {
    background: rgba(255,255,255,0.03);
    border: 1px solid rgba(255,255,255,0.1);
    backdrop-filter: blur(10px);
    padding: 40px;
    border-radius: var(--radius-lg);
    width: 90%;
    position: relative;
    transition: var(--transition-normal);
}
.timeline-item:nth-child(odd) .timeline-content { margin-right: 40px; }
.timeline-item:nth-child(even) .timeline-content { margin-left: 40px; }

.timeline-content:hover {
    border-color: var(--clr-orange);
    transform: translateY(-5px);
    background: rgba(255,255,255,0.05);
}

.step-num {
    font-family: var(--font-heading);
    font-size: 1.25rem;
    font-weight: 800;
    color: var(--clr-orange);
    margin-bottom: 15px;
    display: block;
}
.timeline-content h3 {
    color: var(--clr-white);
    font-size: 1.75rem;
    margin-bottom: 15px;
}
.timeline-content p {
    color: rgba(255,255,255,0.7);
}

/* ============================================================
   09. CONTACT HUB (CTA)
   ============================================================ */
.cta-section {
    padding: 150px 0;
    background: var(--clr-light);
}

.cta-box {
    background: var(--clr-white);
    border-radius: 40px;
    padding: 80px 60px;
    position: relative;
    overflow: hidden;
    box-shadow: var(--shadow-lg);
    border: 1px solid var(--clr-border);
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 50px;
}

.cta-bg-glow {
    position: absolute;
    top: -50%; left: -20%;
    width: 600px; height: 600px;
    background: radial-gradient(circle, var(--clr-orange-glow) 0%, transparent 70%);
    border-radius: 50%;
    pointer-events: none;
}

.cta-text {
    flex: 1;
    position: relative;
    z-index: 2;
}
.cta-text h2 {
    font-size: 3.5rem;
    margin-bottom: 20px;
    letter-spacing: -0.03em;
}
.cta-text p {
    font-size: 1.25rem;
    color: var(--clr-text-muted);
    margin-bottom: 40px;
}

.cta-cards {
    display: flex;
    gap: 20px;
    position: relative;
    z-index: 2;
}

.contact-card {
    background: var(--clr-light);
    border: 1px solid var(--clr-border);
    padding: 30px;
    border-radius: var(--radius-lg);
    text-align: center;
    transition: var(--transition-normal);
    min-width: 200px;
    text-decoration: none;
    color: inherit;
    display: block;
}
.contact-card:hover {
    background: var(--clr-navy);
    border-color: var(--clr-navy);
    transform: translateY(-10px);
}
.contact-card i {
    font-size: 2.5rem;
    color: var(--clr-orange);
    margin-bottom: 20px;
    transition: var(--transition-normal);
}
.contact-card h4 {
    font-size: 1.25rem;
    margin-bottom: 5px;
    transition: var(--transition-normal);
}
.contact-card p {
    font-size: 0.875rem;
    color: var(--clr-text-muted);
    font-weight: 600;
    transition: var(--transition-normal);
}

.contact-card:hover h4, .contact-card:hover p { color: var(--clr-white); }

/* ============================================================
   10. FOOTER & FLOATING WIDGET
   ============================================================ */
.footer {
    background: var(--clr-navy-dark);
    color: var(--clr-white);
    padding: 100px 0 30px;
    border-top: 1px solid rgba(255,255,255,0.05);
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr;
    gap: 60px;
    margin-bottom: 80px;
}

.footer-brand .logo {
    font-family: var(--font-heading);
    font-size: 2.5rem;
    font-weight: 900;
    color: var(--clr-white);
    margin-bottom: 20px;
    display: block;
}
.footer-brand .logo span { color: var(--clr-orange); }
.footer-brand p {
    color: rgba(255,255,255,0.6);
    max-width: 400px;
    margin-bottom: 30px;
}

.social-links {
    display: flex;
    gap: 15px;
}
.social-link {
    width: 45px; height: 45px;
    background: rgba(255,255,255,0.05);
    border: 1px solid rgba(255,255,255,0.1);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.2rem;
    color: var(--clr-white);
    transition: var(--transition-normal);
}
.social-link:hover {
    background: var(--clr-orange);
    border-color: var(--clr-orange);
    transform: translateY(-5px) rotate(10deg);
}

.footer-title {
    font-size: 1.25rem;
    margin-bottom: 25px;
    color: var(--clr-white);
}
.footer-links li { margin-bottom: 15px; }
.footer-links a {
    color: rgba(255,255,255,0.6);
    transition: var(--transition-fast);
    display: inline-flex;
    align-items: center;
    gap: 10px;
}
.footer-links a::before {
    content: '\f105';
    font-family: 'Font Awesome 6 Free';
    font-weight: 900;
    color: var(--clr-orange);
    font-size: 0.8rem;
    transition: var(--transition-fast);
}
.footer-links a:hover {
    color: var(--clr-orange);
    transform: translateX(5px);
}

.footer-bottom {
    text-align: center;
    padding-top: 30px;
    border-top: 1px solid rgba(255,255,255,0.1);
    color: rgba(255,255,255,0.4);
    font-size: 0.875rem;
}

/* Floating WhatsApp Status */
.wa-widget {
    position: fixed;
    bottom: 40px; right: 40px;
    z-index: 9999;
}
.wa-btn {
    width: 70px; height: 70px;
    background: #25D366;
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2.5rem;
    box-shadow: 0 10px 30px rgba(37, 211, 102, 0.4);
    position: relative;
    transition: var(--transition-normal);
}
.wa-btn::before, .wa-btn::after {
    content: '';
    position: absolute;
    inset: 0;
    border-radius: 50%;
    background: #25D366;
    z-index: -1;
    animation: pulseWA 2s infinite;
}
.wa-btn::after { animation-delay: 1s; }
@keyframes pulseWA {
    0% { transform: scale(1); opacity: 0.8; }
    100% { transform: scale(1.6); opacity: 0; }
}
.wa-btn:hover {
    transform: scale(1.1) translateY(-5px);
}
.wa-tooltip {
    position: absolute;
    right: 90px; top: 50%;
    transform: translateY(-50%) translateX(20px);
    background: var(--clr-white);
    color: var(--clr-navy);
    padding: 10px 20px;
    border-radius: var(--radius-sm);
    font-weight: 700;
    font-family: var(--font-heading);
    white-space: nowrap;
    opacity: 0;
    visibility: hidden;
    transition: var(--transition-normal);
    box-shadow: var(--shadow-md);
}
.wa-btn:hover .wa-tooltip {
    opacity: 1;
    visibility: visible;
    transform: translateY(-50%) translateX(0);
}

/* ============================================================
   11. SCROLL REVEAL ANIMATIONS
   ============================================================ */
.reveal-up {
    opacity: 0;
    transform: translateY(60px);
    transition: all 1s cubic-bezier(0.16, 1, 0.3, 1);
}
.reveal-up.active { opacity: 1; transform: translateY(0); }

.reveal-left {
    opacity: 0;
    transform: translateX(-60px);
    transition: all 1s cubic-bezier(0.16, 1, 0.3, 1);
}
.reveal-left.active { opacity: 1; transform: translateX(0); }

/* ============================================================
   12. MOBILE MENU & RESPONSIVE
   ============================================================ */
/* ============================================================
   12. MOBILE MENU & RESPONSIVE
   ============================================================ */
.hamburger {
    display: none;
    cursor: pointer;
    border: none;
    background: transparent;
    z-index: 9999;
    /* Mobilde tıklayınca çıkan mavi gölgeyi engeller */
    -webkit-tap-highlight-color: transparent; 
}

.hamburger .bar {
    display: block;
    width: 30px;
    height: 3px;
    margin: 6px auto;
    background-color: var(--clr-white);
    border-radius: 3px;
    /* Asıl büyü burada: Şak diye değil, yağ gibi süzülerek dönmesi için geçişi yumuşattık */
    transition: transform 0.5s ease-in-out, opacity 0.4s ease-in-out, background-color 0.4s ease-in-out;
}

.header.scrolled .hamburger .bar,
.hamburger.active .bar {
    background-color: var(--clr-navy);
}

/* Çarpıya yavaşça dönüşüm */
.hamburger.active .bar:nth-child(1) { 
    transform: translateY(9px) rotate(45deg); 
}
.hamburger.active .bar:nth-child(2) { 
    opacity: 0; 
    transform: translateX(20px); 
}
.hamburger.active .bar:nth-child(3) { 
    transform: translateY(-9px) rotate(-45deg); 
}

/* Kalan kısımlar (mobile-menu-overlay vs.) aynı kalacak... */
.mobile-menu-overlay {
    position: fixed;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100vh;
    background-color: rgba(248, 250, 252, 0.98);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    z-index: 9998;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    transition: left 0.5s var(--ease);
}

.mobile-menu-overlay.active { left: 0; }
.mobile-nav-links { text-align: center; margin-bottom: 40px; }
.mobile-nav-links li {
    margin: 25px 0;
    opacity: 0;
    transform: translateY(20px);
    transition: all 0.4s var(--ease);
}
.mobile-menu-overlay.active .mobile-nav-links li {
    opacity: 1;
    transform: translateY(0);
}
.mobile-menu-overlay.active .mobile-nav-links li:nth-child(1) { transition-delay: 0.1s; }
.mobile-menu-overlay.active .mobile-nav-links li:nth-child(2) { transition-delay: 0.2s; }
.mobile-menu-overlay.active .mobile-nav-links li:nth-child(3) { transition-delay: 0.3s; }
.mobile-menu-overlay.active .mobile-nav-links li:nth-child(4) { transition-delay: 0.4s; }

.mobile-nav-links a {
    font-family: var(--font-heading);
    font-size: 2.5rem;
    font-weight: 800;
    color: var(--clr-navy);
    transition: color 0.3s ease;
}
.mobile-nav-links a:hover, 
.mobile-nav-links a.active { color: var(--clr-orange); }

@media (max-width: 1024px) {
    .bento-large, .bento-medium, .bento-wide { grid-column: span 12; }
    .bento-grid { grid-auto-rows: auto; }
    .hero-content { grid-template-columns: 1fr; text-align: center; }
    .hero-visual { display: none; }
    .hero-buttons { justify-content: center; }
    .cta-box { flex-direction: column; text-align: center; }
    .footer-grid { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 992px) {
    .nav-menu, .nav-actions { display: none; }
    .hamburger { display: block; }
    .section-title { font-size: 2.8rem; }
    .hero-text-box h1 { font-size: 3.2rem; }
}

@media (max-width: 768px) {
    .timeline::before { left: 30px; }
    .timeline-item, .timeline-item:nth-child(even) {
        justify-content: flex-start;
        padding-left: 80px; padding-right: 0;
    }
    .timeline-dot { left: 30px; }
    .timeline-item:nth-child(even) .timeline-content,
    .timeline-item:nth-child(odd) .timeline-content { margin: 0; width: 100%; }
    .cta-cards { flex-direction: column; width: 100%; }
    .footer-grid { grid-template-columns: 1fr; }
}