/* 
    biskuvutugla.com - CSS Style Sheet
    Company: Kartal Cephe Sistemleri
    Theme Colors: Sarı (Yellow), Lacivert (Navy Blue), Yeşil (Green), Beyaz (White)
*/

/* --- COLOR PALETTE & GLOBAL TOKENS --- */
:root {
    /* Color Palette */
    --navy-dark: #0A192F;      /* Main deep navy */
    --navy-medium: #112240;    /* Card navy */
    --navy-light: #233554;     /* Accent navy / border */
    --yellow: #F5A623;         /* Highlight yellow */
    --yellow-hover: #D48C11;   /* Hover state yellow */
    --green: #1E6B3E;          /* Sustainability green */
    --green-light: #2D9C5E;    /* Light green for details */
    --white: #FFFFFF;
    --light-gray: #F5F7FA;
    --text-dark: #1E293B;      /* Main text in light sections */
    --text-muted: #64748B;    /* Muted body text */
    --text-light: #E2E8F0;    /* Text in dark sections */
    
    /* Fonts */
    --font-heading: 'Outfit', sans-serif;
    --font-body: 'Inter', sans-serif;
    
    /* Layout Variables */
    --max-width: 1200px;
    --border-radius: 12px;
    --border-radius-sm: 8px;
    --transition: all 0.3s cubic-bezier(0.25, 0.8, 0.25, 1);
    
    /* Shadow Utilities */
    --shadow-sm: 0 2px 4px rgba(10, 25, 47, 0.05);
    --shadow-md: 0 10px 20px rgba(10, 25, 47, 0.08);
    --shadow-lg: 0 20px 40px rgba(10, 25, 47, 0.12);
    --shadow-glow-yellow: 0 4px 20px rgba(245, 166, 35, 0.4);
    --shadow-glow-green: 0 4px 20px rgba(30, 107, 62, 0.3);
}

/* --- RESET & BASIC STYLES --- */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
    scroll-padding-top: 100px; /* offset for sticky header */
}

body {
    font-family: var(--font-body);
    font-size: 16px;
    line-height: 1.6;
    color: var(--text-dark);
    background-color: var(--white);
    overflow-x: hidden;
}

h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-heading);
    font-weight: 700;
    color: var(--navy-dark);
    line-height: 1.2;
}

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

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

ul {
    list-style: none;
}

.container {
    width: 100%;
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 24px;
}

/* --- SCROLLBAR --- */
::-webkit-scrollbar {
    width: 10px;
}
::-webkit-scrollbar-track {
    background: var(--navy-dark);
}
::-webkit-scrollbar-thumb {
    background: var(--yellow);
    border-radius: 5px;
}
::-webkit-scrollbar-thumb:hover {
    background: var(--yellow-hover);
}

/* --- BUTTONS --- */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    padding: 14px 28px;
    font-family: var(--font-heading);
    font-weight: 600;
    font-size: 15px;
    border-radius: var(--border-radius-sm);
    cursor: pointer;
    transition: var(--transition);
    border: none;
}

.btn-primary {
    background-color: var(--yellow);
    color: var(--navy-dark);
    box-shadow: var(--shadow-glow-yellow);
}

.btn-primary:hover {
    background-color: var(--yellow-hover);
    transform: translateY(-2px);
    box-shadow: 0 6px 25px rgba(245, 166, 35, 0.6);
}

.btn-secondary {
    background-color: var(--green);
    color: var(--white);
    box-shadow: var(--shadow-glow-green);
}

.btn-secondary:hover {
    background-color: var(--green-light);
    transform: translateY(-2px);
    box-shadow: 0 6px 25px rgba(45, 156, 94, 0.5);
}

.btn-outline {
    background-color: transparent;
    color: var(--white);
    border: 2px solid var(--white);
}

.btn-outline:hover {
    background-color: var(--white);
    color: var(--navy-dark);
    transform: translateY(-2px);
}

.btn-whatsapp-header {
    background-color: var(--green);
    color: var(--white);
    padding: 10px 20px;
    font-size: 14px;
}

.btn-whatsapp-header:hover {
    background-color: var(--green-light);
    transform: translateY(-1px);
}

.btn-whatsapp {
    background-color: #25D366;
    color: var(--white);
    box-shadow: 0 4px 15px rgba(37, 211, 102, 0.3);
}

.btn-whatsapp:hover {
    background-color: #20BA5A;
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(37, 211, 102, 0.5);
}

.btn-full {
    width: 100%;
}

/* --- TOP INFO BAR --- */
.top-bar {
    background-color: var(--navy-dark);
    color: var(--text-light);
    font-size: 13px;
    padding: 10px 0;
    border-bottom: 1px solid var(--navy-light);
}

.top-bar-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 10px;
}

.top-bar-info {
    display: flex;
    gap: 20px;
    flex-wrap: wrap;
}

.top-bar-info a {
    display: flex;
    align-items: center;
    gap: 6px;
    opacity: 0.85;
}

.top-bar-info a i {
    color: var(--yellow);
}

.top-bar-info a:hover {
    opacity: 1;
    color: var(--yellow);
}

.top-bar-social {
    display: flex;
    gap: 14px;
}

.top-bar-social a {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 28px;
    height: 28px;
    background-color: var(--navy-medium);
    border-radius: 50%;
    font-size: 12px;
    opacity: 0.8;
}

.top-bar-social a:hover {
    opacity: 1;
    background-color: var(--yellow);
    color: var(--navy-dark);
}

/* --- MAIN HEADER / NAVIGATION --- */
.main-header {
    background-color: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border-bottom: 1px solid rgba(0, 0, 0, 0.05);
    position: sticky;
    top: 0;
    z-index: 1000;
    transition: var(--transition);
}

.main-header.scrolled {
    background-color: var(--navy-dark);
    padding: 10px 0;
    box-shadow: var(--shadow-md);
}

.main-header.scrolled .logo {
    color: var(--white);
}

.main-header.scrolled .nav-link {
    color: var(--text-light);
}

.main-header.scrolled .nav-link.active,
.main-header.scrolled .nav-link:hover {
    color: var(--yellow);
}

.header-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-top: 15px;
    padding-bottom: 15px;
    transition: var(--transition);
}

.logo {
    font-size: 24px;
    font-family: var(--font-heading);
    font-weight: 800;
    color: var(--navy-dark);
    letter-spacing: -0.5px;
}

.logo-accent {
    color: var(--yellow);
}

.nav-menu ul {
    display: flex;
    gap: 30px;
}

.nav-link {
    font-family: var(--font-heading);
    font-weight: 550;
    font-size: 15px;
    color: var(--navy-dark);
    position: relative;
    padding: 6px 0;
}

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

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

.nav-link.active {
    color: var(--yellow);
}

.header-actions {
    display: flex;
    align-items: center;
    gap: 15px;
}

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

.hamburger-menu span {
    display: block;
    width: 100%;
    height: 3px;
    background-color: var(--navy-dark);
    border-radius: 3px;
    transition: var(--transition);
}

.main-header.scrolled .hamburger-menu span {
    background-color: var(--white);
}

/* Hamburger Open States */
.hamburger-menu.open span:nth-child(1) {
    transform: translateY(7px) rotate(45deg);
    background-color: var(--white);
}
.hamburger-menu.open span:nth-child(2) {
    opacity: 0;
}
.hamburger-menu.open span:nth-child(3) {
    transform: translateY(-8px) rotate(-45deg);
    background-color: var(--white);
}

/* --- HERO SECTION --- */
.hero {
    position: relative;
    min-height: 90vh;
    background-size: cover;
    background-position: center;
    background-attachment: fixed;
    color: var(--white);
    display: flex;
    flex-direction: column;
    justify-content: center;
    padding-top: 120px;
    padding-bottom: 80px;
}

.hero-container {
    display: flex;
    flex-direction: column;
    gap: 60px;
}

.hero-content {
    max-width: 750px;
}

.hero-tag {
    margin-bottom: 20px;
}

.tag-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background-color: rgba(30, 107, 62, 0.25);
    border: 1px solid var(--green-light);
    color: #4ade80;
    padding: 6px 14px;
    font-size: 13px;
    font-weight: 600;
    border-radius: 50px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.hero-title {
    font-size: 48px;
    font-weight: 800;
    color: var(--white);
    margin-bottom: 24px;
    line-height: 1.15;
}

.text-highlight {
    color: var(--yellow);
    background-image: linear-gradient(120deg, rgba(245, 166, 35, 0.15) 0%, rgba(245, 166, 35, 0.25) 100%);
    background-repeat: no-repeat;
    background-size: 100% 0.3em;
    background-position: 0 88%;
}

.hero-subtitle {
    font-size: 18px;
    color: var(--text-light);
    margin-bottom: 40px;
    max-width: 650px;
    opacity: 0.9;
}

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

/* Hero Features */
.hero-features {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
    margin-top: 20px;
}

.feature-card {
    background: rgba(17, 34, 64, 0.7);
    border: 1px solid rgba(255, 255, 255, 0.08);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    padding: 30px;
    border-radius: var(--border-radius);
    transition: var(--transition);
}

.feature-card:hover {
    transform: translateY(-5px);
    border-color: var(--yellow);
    background: rgba(17, 34, 64, 0.85);
}

.feature-icon {
    font-size: 32px;
    color: var(--yellow);
    margin-bottom: 16px;
}

.feature-card h3 {
    color: var(--white);
    font-size: 18px;
    margin-bottom: 10px;
}

.feature-card p {
    color: var(--text-light);
    font-size: 14px;
    opacity: 0.8;
}

/* --- GENERAL SECTION STRUCTURES --- */
.section-padding {
    padding: 100px 0;
}

.bg-light {
    background-color: var(--light-gray);
}

.section-header {
    text-align: center;
    max-width: 700px;
    margin: 0 auto 60px auto;
}

.sub-title {
    font-family: var(--font-heading);
    font-weight: 700;
    font-size: 14px;
    color: var(--green);
    text-transform: uppercase;
    letter-spacing: 2px;
    display: block;
    margin-bottom: 10px;
}

.section-header h2 {
    font-size: 36px;
    color: var(--navy-dark);
    margin-bottom: 15px;
}

.heading-line {
    width: 60px;
    height: 4px;
    background-color: var(--yellow);
    margin: 0 auto 20px auto;
    border-radius: 2px;
}

.section-desc {
    font-size: 16px;
    color: var(--text-muted);
}

/* --- HAKKIMIZDA (ABOUT US) SECTION --- */
.hakkimizda-grid {
    display: grid;
    grid-template-columns: 1.1fr 0.9fr;
    gap: 60px;
    align-items: center;
    margin-bottom: 60px;
}

.hakkimizda-text h3 {
    font-size: 28px;
    margin-bottom: 20px;
}

.highlight-paragraph {
    font-size: 18px;
    font-weight: 500;
    color: var(--green);
    margin-bottom: 20px;
    line-height: 1.5;
}

.hakkimizda-text p {
    margin-bottom: 24px;
    color: var(--text-muted);
}

.about-badges {
    display: flex;
    gap: 30px;
}

.about-badge {
    display: flex;
    flex-direction: column;
}

.badge-num {
    font-family: var(--font-heading);
    font-size: 32px;
    font-weight: 800;
    color: var(--yellow);
    line-height: 1;
}

.badge-txt {
    font-size: 13px;
    font-weight: 600;
    color: var(--navy-dark);
    margin-top: 5px;
}

.hakkimizda-image .image-wrapper {
    position: relative;
}

.hakkimizda-image img {
    width: 100%;
    object-fit: cover;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-lg);
}

.experience-year {
    position: absolute;
    bottom: -20px;
    left: -20px;
    background-color: var(--navy-dark);
    color: var(--white);
    padding: 24px;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-lg);
    border-left: 5px solid var(--yellow);
}

.exp-num {
    display: block;
    font-family: var(--font-heading);
    font-size: 26px;
    font-weight: 800;
    color: var(--yellow);
    line-height: 1;
}

.exp-text {
    font-size: 12px;
    text-transform: uppercase;
    letter-spacing: 1px;
    display: block;
    margin-top: 4px;
    font-weight: 600;
}

/* VISION & MISSION */
.vision-mission-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 30px;
    margin-top: 50px;
}

.vm-card {
    background-color: var(--white);
    border: 1px solid rgba(0, 0, 0, 0.05);
    padding: 40px;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-md);
    transition: var(--transition);
}

.vm-card:hover {
    transform: translateY(-5px);
    border-color: rgba(30, 107, 62, 0.2);
}

.vm-icon {
    width: 60px;
    height: 60px;
    background-color: rgba(30, 107, 62, 0.08);
    color: var(--green);
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    font-size: 24px;
    margin-bottom: 24px;
}

.vm-card h3 {
    font-size: 22px;
    margin-bottom: 16px;
}

.vm-card p {
    color: var(--text-muted);
    font-size: 15px;
}

/* --- URUNLER (PRODUCTS) SECTION --- */
.urun-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 40px;
}

.urun-card {
    background-color: var(--white);
    border-radius: var(--border-radius);
    overflow: hidden;
    box-shadow: var(--shadow-md);
    transition: var(--transition);
    border: 1px solid rgba(0, 0, 0, 0.03);
}

.urun-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-lg);
}

.urun-image {
    position: relative;
    height: 300px;
    overflow: hidden;
}

.urun-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: var(--transition);
}

.urun-card:hover .urun-image img {
    transform: scale(1.08);
}

.urun-tag {
    position: absolute;
    top: 20px;
    left: 20px;
    background-color: var(--navy-dark);
    color: var(--yellow);
    padding: 6px 14px;
    font-family: var(--font-heading);
    font-weight: 600;
    font-size: 12px;
    border-radius: 50px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    border: 1px solid var(--yellow);
}

.urun-info {
    padding: 35px;
}

.urun-info h3 {
    font-size: 22px;
    margin-bottom: 15px;
}

.urun-info p {
    color: var(--text-muted);
    font-size: 15px;
    margin-bottom: 24px;
    min-height: 70px;
}

.urun-features {
    margin-bottom: 30px;
}

.urun-features li {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 14px;
    color: var(--text-dark);
    margin-bottom: 10px;
    font-weight: 500;
}

.urun-features li i {
    color: var(--green);
}

/* --- NEDEN BIZ (WHY CHOOSE US) --- */
.neden-biz-grid {
    display: grid;
    grid-template-columns: 1.1fr 0.9fr;
    gap: 60px;
    align-items: center;
}

.benefit-item {
    display: flex;
    gap: 20px;
    margin-top: 30px;
}

.benefit-icon {
    flex-shrink: 0;
    width: 50px;
    height: 50px;
    background-color: rgba(245, 166, 35, 0.1);
    color: var(--yellow);
    border-radius: var(--border-radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 20px;
}

.benefit-text h3 {
    font-size: 18px;
    margin-bottom: 8px;
}

.benefit-text p {
    color: var(--text-muted);
    font-size: 14px;
}

.neden-biz-stats {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 20px;
}

.stat-card {
    background-color: var(--navy-dark);
    color: var(--white);
    padding: 40px 30px;
    border-radius: var(--border-radius);
    text-align: center;
    border-bottom: 5px solid var(--yellow);
    box-shadow: var(--shadow-md);
}

.stat-card:nth-child(even) {
    border-bottom-color: var(--green);
}

.stat-number {
    font-family: var(--font-heading);
    font-size: 40px;
    font-weight: 800;
    color: var(--white);
    display: inline-block;
}

.stat-plus {
    font-family: var(--font-heading);
    font-size: 32px;
    font-weight: 800;
    color: var(--yellow);
    vertical-align: top;
}

.stat-card:nth-child(even) .stat-plus {
    color: var(--green-light);
}

.stat-card p {
    font-size: 13px;
    text-transform: uppercase;
    letter-spacing: 1px;
    color: var(--text-light);
    margin-top: 10px;
    opacity: 0.8;
}

/* --- GALERI (PROJECT GALLERY) --- */
.galeri-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
}

.galeri-item {
    position: relative;
    border-radius: var(--border-radius);
    overflow: hidden;
    box-shadow: var(--shadow-sm);
    height: 350px;
}

.galeri-item img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: var(--transition);
}

.galeri-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image: linear-gradient(to top, rgba(10, 25, 47, 0.95), rgba(10, 25, 47, 0.3));
    display: flex;
    flex-direction: column;
    justify-content: flex-end;
    padding: 30px;
    opacity: 0;
    transition: var(--transition);
}

.galeri-overlay span {
    font-size: 12px;
    text-transform: uppercase;
    letter-spacing: 1px;
    color: var(--yellow);
    font-weight: 600;
    margin-bottom: 5px;
}

.galeri-overlay h3 {
    color: var(--white);
    font-size: 18px;
}

.galeri-item:hover img {
    transform: scale(1.08);
}

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

/* --- ILETISIM (CONTACT) SECTION --- */
.iletisim-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
}

.iletisim-info h3 {
    font-size: 26px;
    margin-bottom: 15px;
}

.iletisim-info > p {
    color: var(--text-muted);
    margin-bottom: 35px;
}

.info-details {
    display: flex;
    flex-direction: column;
    gap: 25px;
    margin-bottom: 40px;
}

.info-item {
    display: flex;
    gap: 20px;
}

.info-icon {
    flex-shrink: 0;
    width: 48px;
    height: 48px;
    background-color: rgba(30, 107, 62, 0.08);
    color: var(--green);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 18px;
}

.info-text h4 {
    font-size: 16px;
    margin-bottom: 4px;
}

.info-text p {
    color: var(--text-muted);
    font-size: 14px;
}

.info-text a:hover {
    color: var(--green);
}

.wa-action-box {
    background-color: var(--light-gray);
    border: 1px solid rgba(0, 0, 0, 0.05);
    padding: 30px;
    border-radius: var(--border-radius);
    border-left: 5px solid #25D366;
}

.wa-action-box h4 {
    font-size: 18px;
    margin-bottom: 10px;
    color: var(--navy-dark);
}

.wa-action-box p {
    font-size: 14px;
    color: var(--text-muted);
    margin-bottom: 20px;
}

.iletisim-map {
    border-radius: var(--border-radius);
    overflow: hidden;
    box-shadow: var(--shadow-md);
    border: 1px solid rgba(0, 0, 0, 0.05);
    height: 450px;
}

.iletisim-map iframe {
    height: 100%;
    display: block;
}

/* --- FOOTER --- */
.footer {
    background-color: var(--navy-dark);
    color: var(--text-light);
    padding-top: 80px;
    border-top: 1px solid var(--navy-light);
}

.footer-container {
    display: grid;
    grid-template-columns: 1.5fr 1fr 1.5fr;
    gap: 60px;
    padding-bottom: 60px;
}

.footer-col h3 {
    color: var(--white);
    font-size: 22px;
    margin-bottom: 20px;
}

.footer-col h4 {
    color: var(--white);
    font-size: 16px;
    margin-bottom: 20px;
    position: relative;
    padding-bottom: 8px;
}

.footer-col h4::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 30px;
    height: 2px;
    background-color: var(--yellow);
}

.brand-col p {
    font-size: 14px;
    opacity: 0.75;
    margin-bottom: 24px;
}

.footer-social {
    display: flex;
    gap: 12px;
}

.footer-social a {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 36px;
    height: 36px;
    background-color: var(--navy-medium);
    border-radius: 50%;
    color: var(--text-light);
    font-size: 14px;
}

.footer-social a:hover {
    background-color: var(--yellow);
    color: var(--navy-dark);
    transform: translateY(-2px);
}

.links-col ul {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 12px;
}

.links-col a {
    font-size: 14px;
    opacity: 0.75;
}

.links-col a:hover {
    opacity: 1;
    color: var(--yellow);
    padding-left: 4px;
}

.contact-col p {
    font-size: 14px;
    opacity: 0.75;
    margin-bottom: 12px;
    display: flex;
    gap: 10px;
}

.contact-col i {
    color: var(--yellow);
    margin-top: 3px;
}

.contact-col a:hover {
    color: var(--yellow);
}

.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.05);
    padding: 24px 0;
    font-size: 13px;
    text-align: center;
    background-color: #061121;
}

.bottom-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 10px;
}

.bottom-container p {
    opacity: 0.6;
}

/* --- FLOATING WHATSAPP BUTTON --- */
.floating-whatsapp {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 60px;
    height: 60px;
    background-color: #25D366;
    color: var(--white);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 32px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
    z-index: 999;
    cursor: pointer;
    transition: var(--transition);
    animation: wa-pulse 2s infinite;
}

.floating-whatsapp:hover {
    transform: scale(1.1);
    background-color: #20BA5A;
}

.floating-whatsapp .tooltip-text {
    visibility: hidden;
    width: 160px;
    background-color: var(--navy-dark);
    color: var(--white);
    text-align: center;
    border-radius: 6px;
    padding: 8px 12px;
    position: absolute;
    z-index: 1;
    right: 75px;
    font-size: 12px;
    font-weight: 600;
    opacity: 0;
    transition: opacity 0.3s;
    box-shadow: var(--shadow-md);
    white-space: nowrap;
}

.floating-whatsapp .tooltip-text::after {
    content: "";
    position: absolute;
    top: 50%;
    left: 100%;
    margin-top: -5px;
    border-width: 5px;
    border-style: solid;
    border-color: transparent transparent transparent var(--navy-dark);
}

.floating-whatsapp:hover .tooltip-text {
    visibility: visible;
    opacity: 1;
}

@keyframes wa-pulse {
    0% {
        box-shadow: 0 0 0 0 rgba(37, 211, 102, 0.7);
    }
    70% {
        box-shadow: 0 0 0 15px rgba(37, 211, 102, 0);
    }
    100% {
        box-shadow: 0 0 0 0 rgba(37, 211, 102, 0);
    }
}

/* --- ANIMATION / REVEAL CLASS --- */
.scroll-reveal-fade {
    opacity: 0;
    transform: translateY(10px);
    transition: opacity 0.8s ease, transform 0.8s ease;
}

.scroll-reveal-up {
    opacity: 0;
    transform: translateY(40px);
    transition: opacity 0.8s ease, transform 0.8s ease;
}

.scroll-reveal-left {
    opacity: 0;
    transform: translateX(-40px);
    transition: opacity 0.8s ease, transform 0.8s ease;
}

.scroll-reveal-right {
    opacity: 0;
    transform: translateX(40px);
    transition: opacity 0.8s ease, transform 0.8s ease;
}

.scroll-reveal-active {
    opacity: 1 !important;
    transform: translate(0, 0) !important;
}

/* --- RESPONSIVE BREAKPOINTS --- */

@media (max-width: 1024px) {
    .hero-title {
        font-size: 40px;
    }
    .hero-features {
        grid-template-columns: 1fr;
        gap: 16px;
    }
    .hakkimizda-grid {
        grid-template-columns: 1fr;
        gap: 40px;
    }
    .hakkimizda-image {
        order: -1;
    }
    .experience-year {
        left: 20px;
    }
    .urun-grid {
        grid-template-columns: 1fr;
    }
    .neden-biz-grid {
        grid-template-columns: 1fr;
        gap: 45px;
    }
    .galeri-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    .iletisim-grid {
        grid-template-columns: 1fr;
        gap: 40px;
    }
    .footer-container {
        grid-template-columns: 1fr 1fr;
        gap: 40px;
    }
    .footer-col.contact-col {
        grid-column: span 2;
    }
}

@media (max-width: 768px) {
    .top-bar {
        display: none; /* Hide top bar on mobile for clean screen spacing */
    }
    
    .hamburger-menu {
        display: flex;
    }
    
    .nav-menu {
        position: fixed;
        top: 0;
        right: -100%;
        width: 80%;
        max-width: 320px;
        height: 100vh;
        background-color: var(--navy-dark);
        z-index: 1005;
        padding: 100px 40px;
        box-shadow: -10px 0 30px rgba(0, 0, 0, 0.25);
        transition: var(--transition);
        display: flex;
        flex-direction: column;
    }
    
    .nav-menu.open {
        right: 0;
    }
    
    .nav-menu ul {
        flex-direction: column;
        gap: 25px;
    }
    
    .nav-link {
        color: var(--white);
        font-size: 18px;
    }
    
    .nav-link.active {
        color: var(--yellow);
    }
    
    .btn-whatsapp-header {
        display: none; /* Hide teklif button in header to prevent clutter, menu overlay can handle CTAs */
    }
    
    .hero {
        padding-top: 100px;
        min-height: auto;
    }
    
    .hero-title {
        font-size: 32px;
    }
    
    .vision-mission-grid {
        grid-template-columns: 1fr;
    }
    
    .galeri-grid {
        grid-template-columns: 1fr;
    }
    
    .footer-container {
        grid-template-columns: 1fr;
    }
    
    .footer-col.contact-col {
        grid-column: span 1;
    }
    
    .bottom-container {
        flex-direction: column;
        text-align: center;
        gap: 15px;
    }
}

@media (max-width: 480px) {
    .hero-buttons {
        flex-direction: column;
        width: 100%;
    }
    
    .hero-buttons .btn {
        width: 100%;
    }
    
    .about-badges {
        flex-direction: column;
        gap: 15px;
    }
    
    .neden-biz-stats {
        grid-template-columns: 1fr;
    }
    
    .floating-whatsapp {
        bottom: 20px;
        right: 20px;
        width: 50px;
        height: 50px;
        font-size: 26px;
    }
}