@import url('https://fonts.googleapis.com/css2?family=Outfit:wght@300;400;500;600;700;800&family=Plus+Jakarta+Sans:wght@300;400;500;600;700;800&display=swap');

/* --- DESIGN SYSTEM & CSS VARIABLES --- */
:root {
    /* Color Palette */
    --primary: #1e40af;       /* Professional Royal Blue (Trust & Tech) */
    --primary-light: #3b82f6; /* Medium Tech Blue */
    --primary-dark: #172554;  /* Deep navy blue */
    --accent: #2563eb;        /* Professional Accent Blue */
    --accent-hover: #1d4ed8;  /* Darker professional blue */
    --accent-glow: rgba(37, 99, 235, 0.12);
    --accent-glow-strong: rgba(37, 99, 235, 0.35);
    
    /* Semantic Colors */
    --bg-dark: #1c1c1e;       /* Mechanical Koyu Gri (#333 theme base - dark iOS gray) */
    --bg-card: #2c2c2e;       /* Dark Gray Card (#333 tone card) */
    --bg-input: #121212;
    --text-main: #f3f4f6;     /* Light Gray */
    --text-muted: #a1a1aa;    /* Slate/Muted Gray */
    --text-white: #ffffff;
    --border-color: rgba(255, 255, 255, 0.08);
    --border-hover: rgba(37, 99, 235, 0.35);
    
    /* Fonts */
    --font-title: 'Outfit', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
    --font-body: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
    
    /* Layout details */
    --max-width: 1200px;
    --header-height: 80px;
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --border-radius: 16px;
    --border-radius-sm: 8px;
    --border-radius-lg: 24px;
}

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

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

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

/* Grid & Layout Containers */
.container {
    width: 100%;
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 24px;
}

section {
    padding: 100px 0;
    position: relative;
}

/* Typography styling */
h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-title);
    font-weight: 700;
    line-height: 1.2;
    color: var(--text-white);
}

h2 {
    font-size: 2.5rem;
    margin-bottom: 16px;
    text-align: center;
    position: relative;
    display: block;
}

h2::after {
    content: '';
    display: block;
    width: 60px;
    height: 4px;
    background: var(--accent);
    margin: 14px auto 0;
    border-radius: 2px;
}

p {
    font-size: 1rem;
    color: var(--text-muted);
}

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

/* Custom Scrollbar */
::-webkit-scrollbar {
    width: 10px;
}
::-webkit-scrollbar-track {
    background: var(--bg-dark);
}
::-webkit-scrollbar-thumb {
    background: var(--primary-light);
    border-radius: 5px;
    border: 2px solid var(--bg-dark);
}
::-webkit-scrollbar-thumb:hover {
    background: var(--accent);
}

/* --- DECORATIVE GLOW BACKGROUNDS --- */
.glow-bg {
    position: absolute;
    width: 500px;
    height: 500px;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(37, 99, 235, 0.08) 0%, rgba(0,0,0,0) 70%);
    pointer-events: none;
    z-index: 0;
}

.glow-1 { top: 10%; left: -10%; }
.glow-2 { bottom: 10%; right: -10%; }

/* --- HEADER & NAVIGATION --- */
header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: var(--header-height);
    display: flex;
    align-items: center;
    z-index: 1000;
    transition: var(--transition);
    border-bottom: 1px solid transparent;
}

header.scrolled {
    background: rgba(11, 15, 25, 0.85);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    height: 70px;
    border-bottom: 1px solid var(--border-color);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
}

.header-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    width: 100%;
}

.logo {
    display: flex;
    align-items: center;
    gap: 10px;
    font-family: var(--font-title);
    font-weight: 800;
    font-size: 1.5rem;
    color: var(--text-white);
}

.site-logo {
    height: 46px;
    width: auto;
    display: block;
    object-fit: contain;
    transition: var(--transition);
}

.site-logo:hover {
    filter: drop-shadow(0 0 12px rgba(59, 130, 246, 0.45));
}

.footer-logo {
    height: 52px;
    margin-bottom: 20px;
}

.nav-menu {
    display: flex;
    align-items: center;
    gap: 32px;
}

.nav-link {
    font-weight: 500;
    font-size: 0.95rem;
    position: relative;
    padding: 6px 0;
    color: var(--text-muted);
}

.nav-link:hover, .nav-link.active {
    color: var(--text-white);
}

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

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

.header-cta {
    background: transparent;
    border: 2px solid var(--accent);
    color: var(--text-white);
    padding: 10px 20px;
    border-radius: var(--border-radius-sm);
    font-weight: 600;
    font-size: 0.9rem;
    display: flex;
    align-items: center;
    gap: 8px;
    cursor: pointer;
}

.header-cta:hover {
    background: var(--accent);
    box-shadow: 0 0 15px var(--accent-glow-strong);
    transform: translateY(-2px);
}

/* Mobile Menu Toggle */
.mobile-toggle {
    display: none;
    cursor: pointer;
    background: none;
    border: none;
}

.mobile-toggle span {
    display: block;
    width: 25px;
    height: 3px;
    background-color: var(--text-main);
    margin: 5px 0;
    transition: var(--transition);
    border-radius: 2px;
}

/* --- HERO SECTION --- */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding-top: calc(var(--header-height) + 40px);
    overflow: hidden;
    position: relative;
    background: radial-gradient(circle at 80% 20%, rgba(37, 99, 235, 0.05) 0%, rgba(9, 13, 22, 0) 60%);
}

.hero-grid {
    display: grid;
    grid-template-columns: 1.2fr 0.8fr;
    gap: 48px;
    align-items: center;
}

.hero-content {
    z-index: 10;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: var(--accent-glow);
    border: 1px solid var(--border-hover);
    padding: 8px 16px;
    border-radius: 50px;
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--accent);
    margin-bottom: 24px;
    text-transform: uppercase;
    letter-spacing: 1px;
    animation: pulseGlow 3s infinite alternate;
}

.hero h1 {
    font-size: 3.5rem;
    line-height: 1.1;
    margin-bottom: 20px;
    font-weight: 800;
}

.hero h1 span {
    color: var(--accent);
    display: inline-block;
    position: relative;
}

.hero-desc {
    font-size: 1.15rem;
    margin-bottom: 36px;
    max-width: 580px;
}

.hero-btns {
    display: flex;
    gap: 16px;
    margin-bottom: 48px;
}

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    padding: 14px 28px;
    font-weight: 600;
    border-radius: var(--border-radius-sm);
    font-size: 1rem;
    cursor: pointer;
}

.btn-primary {
    background: var(--accent);
    color: var(--text-white);
    border: 2px solid var(--accent);
}

.btn-primary:hover {
    background: var(--accent-hover);
    border-color: var(--accent-hover);
    box-shadow: 0 8px 24px var(--accent-glow-strong);
    transform: translateY(-2px);
}

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

.btn-secondary:hover {
    background: rgba(255, 255, 255, 0.05);
    border-color: var(--text-muted);
    transform: translateY(-2px);
}

/* Hero Stats */
.hero-stats {
    display: flex;
    gap: 40px;
    border-top: 1px solid var(--border-color);
    padding-top: 30px;
}

.stat-item h3 {
    font-size: 2.2rem;
    color: var(--accent);
    font-weight: 800;
    line-height: 1;
}

.stat-item p {
    font-size: 0.85rem;
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-top: 4px;
}

/* Hero Visual Graphic (Safe representations of barrier) */
.hero-visual {
    position: relative;
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 5;
    width: 100%;
}

.hero-img-box {
    position: relative;
    border-radius: var(--border-radius-lg);
    overflow: hidden;
    height: 400px;
    width: 100%;
    max-width: 440px;
    border: 1px solid var(--border-color);
    box-shadow: 0 20px 40px rgba(0,0,0,0.4);
}

.hero-img-box img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    opacity: 0.95;
    transition: var(--transition);
}

.hero-img-box:hover img {
    transform: scale(1.05);
    opacity: 1;
}

.hero-img-fallback {
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, var(--bg-card) 0%, #121212 100%);
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    padding: 30px;
    text-align: center;
    z-index: 1;
}

.hero-img-fallback svg {
    width: 70px;
    height: 70px;
    fill: var(--accent);
    margin-bottom: 16px;
    opacity: 0.8;
}

.hero-img-fallback h3 {
    font-size: 1.5rem;
    margin-bottom: 8px;
}

/* --- ABOUT US SECTION (HAKKIMIZDA) --- */
.about {
    background: linear-gradient(to bottom, var(--bg-dark), var(--primary-dark));
}

.about-grid {
    display: grid;
    grid-template-columns: 1fr 1.2fr;
    gap: 60px;
    align-items: center;
}

.about-img-box {
    position: relative;
    border-radius: var(--border-radius-lg);
    overflow: hidden;
    height: 480px;
    border: 1px solid var(--border-color);
    box-shadow: 0 20px 40px rgba(0,0,0,0.4);
}

.about-img-box img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    opacity: 0.9;
    transition: var(--transition);
}

.about-img-box:hover img {
    transform: scale(1.05);
    opacity: 1;
}

.about-img-fallback {
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, var(--primary-light) 0%, var(--primary-dark) 100%);
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    padding: 40px;
    text-align: center;
    z-index: 1;
}

.about-img-fallback svg {
    width: 80px;
    height: 80px;
    fill: var(--accent);
    margin-bottom: 20px;
    opacity: 0.8;
}

.about-img-fallback h3 {
    font-size: 1.8rem;
    margin-bottom: 10px;
}

.about-experience-badge {
    position: absolute;
    bottom: -20px;
    right: -20px;
    background: var(--accent);
    color: var(--text-white);
    padding: 24px;
    border-radius: var(--border-radius);
    text-align: center;
    box-shadow: 0 10px 30px rgba(37, 99, 235, 0.4);
    z-index: 10;
}

.about-experience-badge .years {
    font-size: 2.5rem;
    font-weight: 800;
    font-family: var(--font-title);
    line-height: 1;
    display: block;
}

.about-experience-badge .text {
    font-size: 0.8rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.about-title-label {
    color: var(--accent);
    font-weight: 600;
    font-size: 0.9rem;
    text-transform: uppercase;
    letter-spacing: 2px;
    margin-bottom: 12px;
    display: block;
}

.about-text h2 {
    text-align: left;
    margin-bottom: 24px;
}

.about-text h2::after {
    margin: 12px 0 0;
}

.about-text p {
    font-size: 1.05rem;
    margin-bottom: 20px;
    line-height: 1.7;
}

.about-features {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
    margin-top: 30px;
}

.feature-pill {
    display: flex;
    align-items: center;
    gap: 12px;
    background: rgba(255,255,255,0.03);
    border: 1px solid var(--border-color);
    padding: 12px 20px;
    border-radius: var(--border-radius-sm);
}

.feature-pill svg {
    width: 20px;
    height: 20px;
    fill: var(--accent);
    flex-shrink: 0;
}

.feature-pill span {
    font-weight: 600;
    font-size: 0.95rem;
}

/* --- SERVICES SECTION (HİZMETLERİMİZ) --- */
.services {
    background: var(--bg-dark);
}

.section-intro {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    max-width: 600px;
    margin: 0 auto 60px;
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: 30px;
}

.service-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    padding: 40px 30px;
    transition: var(--transition);
    position: relative;
    overflow: hidden;
    display: flex;
    flex-direction: column;
}

.service-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 3px;
    background: var(--accent);
    transform: scaleX(0);
    transform-origin: left;
    transition: var(--transition);
}

.service-card:hover {
    transform: translateY(-8px);
    border-color: var(--border-hover);
    box-shadow: 0 15px 35px rgba(0,0,0,0.3);
    background: rgba(30, 41, 59, 0.6);
}

.service-card:hover::before {
    transform: scaleX(1);
}

.service-icon {
    width: 60px;
    height: 60px;
    border-radius: var(--border-radius-sm);
    background: var(--accent-glow);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 24px;
    transition: var(--transition);
    border: 1px solid rgba(37, 99, 235, 0.1);
}

.service-icon svg {
    width: 30px;
    height: 30px;
    fill: var(--accent);
}

.service-card:hover .service-icon {
    background: var(--accent);
    box-shadow: 0 0 15px var(--accent-glow-strong);
}

.service-card:hover .service-icon svg {
    fill: var(--text-white);
}

.service-card h3 {
    font-size: 1.35rem;
    margin-bottom: 14px;
    font-weight: 600;
}

.service-card p {
    font-size: 0.95rem;
    line-height: 1.6;
    margin-bottom: 20px;
}

.service-link {
    margin-top: auto;
    display: inline-flex;
    align-items: center;
    gap: 8px;
    color: var(--accent);
    font-weight: 600;
    font-size: 0.9rem;
}

.service-link svg {
    width: 16px;
    height: 16px;
    fill: var(--accent);
    transition: var(--transition);
}

.service-card:hover .service-link svg {
    transform: translateX(4px);
}

/* --- PROJECTS SLIDER SECTION (REFERANSLAR) --- */
.projects {
    background: linear-gradient(to bottom, var(--bg-dark), var(--primary-dark));
    position: relative;
    overflow: hidden;
}

.slider-container {
    position: relative;
    max-width: 960px;
    margin: 0 auto;
    border-radius: var(--border-radius-lg);
    overflow: hidden;
    border: 1px solid var(--border-color);
    background: var(--bg-card);
    box-shadow: 0 20px 45px rgba(0, 0, 0, 0.4);
}

.slider-wrapper {
    display: flex;
    transition: transform 0.5s cubic-bezier(0.4, 0, 0.2, 1);
    width: 100%;
}

.slide {
    min-width: 100%;
    position: relative;
    box-sizing: border-box;
    display: flex;
    flex-direction: column;
}

.slide-img-container {
    position: relative;
    width: 100%;
    height: 480px;
    overflow: hidden;
    background: var(--bg-dark);
}

.slide-img-container img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
    transition: transform 0.6s ease;
}

.slide:hover .slide-img-container img {
    transform: scale(1.03);
}

.slide-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(to top, rgba(15, 23, 42, 0.95) 0%, rgba(15, 23, 42, 0.4) 50%, rgba(0, 0, 0, 0) 100%);
    pointer-events: none;
}

.slide-caption {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    padding: 36px 40px;
    z-index: 10;
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    gap: 10px;
}

.slide-badge {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    background: var(--accent-glow-strong);
    color: var(--text-white);
    font-size: 0.75rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 1px;
    padding: 6px 14px;
    border-radius: 50px;
    border: 1px solid rgba(59, 130, 246, 0.4);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
}

.slide-badge svg {
    stroke: var(--text-white);
}

.slide-title {
    font-size: 1.6rem;
    color: var(--text-white);
    font-weight: 700;
    line-height: 1.3;
    text-shadow: 0 2px 8px rgba(0, 0, 0, 0.6);
}

/* Slider Controls (Arrow Buttons) */
.slider-btn {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    width: 48px;
    height: 48px;
    border-radius: 50%;
    background: rgba(15, 23, 42, 0.65);
    border: 1px solid var(--border-color);
    color: var(--text-white);
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    z-index: 20;
    transition: var(--transition);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
}

.slider-btn svg {
    width: 24px;
    height: 24px;
    fill: var(--text-white);
    transition: var(--transition);
}

.slider-btn:hover {
    background: var(--accent);
    border-color: var(--accent);
    box-shadow: 0 0 20px var(--accent-glow-strong);
    transform: translateY(-50%) scale(1.08);
}

.slider-btn:active {
    transform: translateY(-50%) scale(0.96);
}

.slider-prev {
    left: 20px;
}

.slider-next {
    right: 20px;
}

/* Slider Dots / Indicators */
.slider-dots {
    position: absolute;
    bottom: 20px;
    right: 30px;
    display: flex;
    align-items: center;
    gap: 8px;
    z-index: 20;
    background: rgba(15, 23, 42, 0.5);
    padding: 8px 14px;
    border-radius: 50px;
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    border: 1px solid var(--border-color);
}

.slider-dot {
    width: 10px;
    height: 10px;
    border-radius: 50px;
    background: rgba(255, 255, 255, 0.3);
    border: none;
    cursor: pointer;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.slider-dot:hover {
    background: rgba(255, 255, 255, 0.6);
}

.slider-dot.active {
    width: 28px;
    background: var(--accent);
    box-shadow: 0 0 10px var(--accent-glow-strong);
}

/* Slider Media Queries */
@media (max-width: 768px) {
    .slide-img-container {
        height: 360px;
    }
    .slide-caption {
        padding: 24px 20px;
    }
    .slide-title {
        font-size: 1.25rem;
    }
    .slider-btn {
        width: 40px;
        height: 40px;
    }
    .slider-btn svg {
        width: 20px;
        height: 20px;
    }
    .slider-prev {
        left: 10px;
    }
    .slider-next {
        right: 10px;
    }
    .slider-dots {
        right: 50%;
        transform: translateX(50%);
        bottom: 14px;
    }
}

@media (max-width: 480px) {
    .slide-img-container {
        height: 280px;
    }
    .slide-title {
        font-size: 1.1rem;
    }
}

/* --- WHY US SECTION (NEDEN BİZ?) --- */
.why-us {
    background: linear-gradient(to top, var(--bg-dark), var(--primary-dark));
}

.why-content {
    max-width: 850px;
    margin: 0 auto;
}

.why-items {
    display: flex;
    flex-direction: column;
    gap: 24px;
    margin-top: 40px;
}

.why-item {
    display: flex;
    align-items: flex-start;
    gap: 24px;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    padding: 32px 36px;
    border-radius: var(--border-radius);
    transition: var(--transition);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
}

.why-item:hover {
    border-color: var(--border-hover);
    transform: translateY(-4px);
    box-shadow: 0 15px 35px rgba(0, 0, 0, 0.35);
    background: rgba(30, 41, 59, 0.65);
}

.why-num {
    font-size: 1.8rem;
    font-family: var(--font-title);
    font-weight: 800;
    color: var(--accent);
    background: var(--accent-glow);
    width: 56px;
    height: 56px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    border: 1px solid var(--border-hover);
    box-shadow: 0 0 15px var(--accent-glow);
}

.why-text h4 {
    font-size: 1.25rem;
    margin-bottom: 8px;
    font-weight: 700;
    color: var(--text-white);
}

.why-text p {
    font-size: 1rem;
    line-height: 1.6;
    color: var(--text-muted);
}


/* --- CONTACT SECTION (İLETİŞİM / n8n FORM) --- */
.contact {
    background: var(--bg-dark);
}

.contact-grid {
    display: grid;
    grid-template-columns: 0.8fr 1.2fr;
    gap: 60px;
}

.contact-info {
    display: flex;
    flex-direction: column;
    justify-content: space-between;
}

.contact-info-desc {
    margin-bottom: 40px;
    font-size: 1.05rem;
}

.info-cards {
    display: flex;
    flex-direction: column;
    gap: 24px;
}

.info-card {
    display: flex;
    align-items: center;
    gap: 20px;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    padding: 24px;
    border-radius: var(--border-radius);
    transition: var(--transition);
}

.info-card:hover {
    border-color: var(--border-hover);
    transform: translateX(5px);
}

.info-icon {
    width: 50px;
    height: 50px;
    border-radius: var(--border-radius-sm);
    background: var(--accent-glow);
    display: flex;
    align-items: center;
    justify-content: center;
    border: 1px solid rgba(37, 99, 235, 0.1);
}

.info-icon svg {
    width: 24px;
    height: 24px;
    fill: var(--accent);
}

.info-content h5 {
    font-size: 0.85rem;
    text-transform: uppercase;
    letter-spacing: 1px;
    color: var(--text-muted);
    margin-bottom: 4px;
}

.info-content p {
    font-size: 1.05rem;
    color: var(--text-white);
    font-weight: 600;
}

/* Contact Form Styling */
.contact-form-container {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    padding: 48px;
    border-radius: var(--border-radius-lg);
    box-shadow: 0 20px 45px rgba(0,0,0,0.3);
    position: relative;
    overflow: hidden;
}

.contact-form-container::before {
    content: '';
    position: absolute;
    top: -50px;
    right: -50px;
    width: 150px;
    height: 150px;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(37, 99, 235, 0.05) 0%, transparent 70%);
}

.form-group {
    margin-bottom: 24px;
}

.form-label {
    display: block;
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--text-white);
    margin-bottom: 8px;
}

.form-input {
    width: 100%;
    background: var(--bg-input);
    border: 1px solid var(--border-color);
    color: var(--text-white);
    padding: 14px 18px;
    border-radius: var(--border-radius-sm);
    font-family: var(--font-body);
    font-size: 1rem;
    transition: var(--transition);
}

.form-input::placeholder {
    color: rgba(255,255,255,0.25);
}

.form-input:focus {
    outline: none;
    border-color: var(--accent);
    box-shadow: 0 0 10px var(--accent-glow);
    background: rgba(15, 23, 42, 0.8);
}

textarea.form-input {
    resize: vertical;
    min-height: 120px;
}

.form-submit-btn {
    width: 100%;
    border: none;
    outline: none;
    font-size: 1.05rem;
    font-weight: 700;
    font-family: var(--font-title);
    background: var(--accent);
    color: var(--text-white);
    padding: 16px;
    border-radius: var(--border-radius-sm);
    cursor: pointer;
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 10px;
    transition: var(--transition);
    box-shadow: 0 4px 15px rgba(37, 99, 235, 0.2);
}

.form-submit-btn:hover {
    background: var(--accent-hover);
    box-shadow: 0 8px 25px var(--accent-glow-strong);
    transform: translateY(-2px);
}

.form-submit-btn:active {
    transform: translateY(0);
}

.form-submit-btn svg {
    width: 20px;
    height: 20px;
    fill: var(--text-white);
    transition: var(--transition);
}

.form-submit-btn:hover svg {
    transform: translateX(4px);
}

/* Success Message Popup State */
.form-status {
    margin-top: 16px;
    padding: 12px;
    border-radius: var(--border-radius-sm);
    text-align: center;
    font-size: 0.95rem;
    font-weight: 600;
    display: none;
}

.form-status.success {
    display: block;
    background: rgba(16, 185, 129, 0.1);
    color: #10b981;
    border: 1px solid rgba(16, 185, 129, 0.2);
}

.form-status.error {
    display: block;
    background: rgba(239, 68, 68, 0.1);
    color: #ef4444;
    border: 1px solid rgba(239, 68, 68, 0.2);
}

/* --- FOOTER --- */
footer {
    background: var(--primary-dark);
    padding: 60px 0 30px;
    border-top: 1px solid var(--border-color);
}

.footer-grid {
    display: grid;
    grid-template-columns: 1.2fr 0.8fr 1fr;
    gap: 48px;
    margin-bottom: 40px;
}

.footer-about .logo {
    margin-bottom: 20px;
}

.footer-about p {
    font-size: 0.95rem;
    margin-bottom: 24px;
    max-width: 320px;
}

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

.social-link {
    width: 40px;
    height: 40px;
    border-radius: var(--border-radius-sm);
    background: rgba(255,255,255,0.03);
    border: 1px solid var(--border-color);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-muted);
}

.social-link svg {
    width: 20px;
    height: 20px;
    fill: var(--text-muted);
}

.social-link:hover {
    background: var(--accent-glow);
    border-color: var(--accent);
    color: var(--accent);
}

.social-link:hover svg {
    fill: var(--accent);
}

.footer-links h4, .footer-contact h4 {
    font-size: 1.15rem;
    margin-bottom: 24px;
    position: relative;
    display: inline-block;
}

.footer-links h4::after, .footer-contact h4::after {
    content: '';
    display: block;
    width: 30px;
    height: 2px;
    background: var(--accent);
    margin-top: 8px;
}

.footer-links-list {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.footer-links-list a {
    color: var(--text-muted);
    font-size: 0.95rem;
}

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

.footer-contact-list {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.footer-contact-list li {
    display: flex;
    align-items: center;
    gap: 12px;
    color: var(--text-muted);
    font-size: 0.95rem;
}

.footer-contact-list li svg {
    width: 18px;
    height: 18px;
    fill: var(--accent);
}

.footer-bottom {
    border-top: 1px solid rgba(255,255,255,0.05);
    padding-top: 30px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.footer-bottom p {
    font-size: 0.85rem;
}

.footer-bottom-links {
    display: flex;
    gap: 24px;
}

.footer-bottom-links a {
    font-size: 0.85rem;
    color: var(--text-muted);
}

.footer-bottom-links a:hover {
    color: var(--accent);
}

/* --- ANIMATIONS KEYFRAMES --- */
@keyframes pulseGlow {
    0% {
        box-shadow: 0 0 5px rgba(37, 99, 235, 0.15);
        border-color: rgba(37, 99, 235, 0.2);
    }
    100% {
        box-shadow: 0 0 15px rgba(37, 99, 235, 0.4);
        border-color: rgba(37, 99, 235, 0.6);
    }
}

@keyframes barrierRotate {
    0%, 100% {
        transform: rotate(0deg);
    }
    15%, 45% {
        transform: rotate(-75deg);
    }
    60%, 90% {
        transform: rotate(0deg);
    }
}

@keyframes rotateDashed {
    from {
        transform: rotate(0deg);
    }
    to {
        transform: rotate(360deg);
    }
}

@keyframes flashGreen {
    0% {
        background: #10b981;
        box-shadow: 0 0 2px #10b981;
    }
    100% {
        background: #34d399;
        box-shadow: 0 0 12px #34d399;
    }
}

/* --- RESPONSIVE STYLES --- */
@media (max-width: 1024px) {
    h2 {
        font-size: 2.2rem;
    }
    
    .hero h1 {
        font-size: 2.8rem;
    }
    
    .about-grid {
        gap: 40px;
    }
    
    .about-img-box {
        height: 400px;
    }
}

@media (max-width: 968px) {
    header {
        height: 70px;
    }
    
    .mobile-toggle {
        display: block;
        z-index: 1001;
    }
    
    .mobile-toggle.active span:nth-child(1) {
        transform: rotate(45deg) translate(5px, 6px);
    }
    
    .mobile-toggle.active span:nth-child(2) {
        opacity: 0;
    }
    
    .mobile-toggle.active span:nth-child(3) {
        transform: rotate(-45deg) translate(5px, -6px);
    }
    
    .nav-menu {
        position: fixed;
        top: 0;
        right: -100%;
        width: 300px;
        height: 100vh;
        background: var(--primary-dark);
        border-left: 1px solid var(--border-color);
        flex-direction: column;
        justify-content: center;
        gap: 40px;
        transition: var(--transition);
        z-index: 1000;
        padding: 40px;
    }
    
    .nav-menu.active {
        right: 0;
    }
    
    .header-cta {
        display: none; /* Can be placed inside side menu or hidden */
    }
    
    .hero-grid {
        grid-template-columns: 1fr;
        gap: 60px;
        text-align: center;
    }
    
    .hero-content {
        display: flex;
        flex-direction: column;
        align-items: center;
    }
    
    .hero-desc {
        margin-left: auto;
        margin-right: auto;
    }
    
    .hero-stats {
        justify-content: center;
    }
    
    .about-grid, .contact-grid {
        grid-template-columns: 1fr;
        gap: 50px;
    }
    
    .about-text {
        text-align: center;
    }
    
    .about-text h2 {
        text-align: center;
    }
    
    .about-text h2::after {
        margin: 12px auto 0;
    }
    
    .about-img-box {
        max-width: 500px;
        width: 100%;
        margin: 0 auto;
    }
    
    .about-experience-badge {
        right: 20px;
        bottom: 20px;
    }
    
    .footer-grid {
        grid-template-columns: 1fr;
        gap: 40px;
    }
}

@media (max-width: 576px) {
    section {
        padding: 60px 0;
    }
    
    h2 {
        font-size: 1.8rem;
    }
    
    .hero h1 {
        font-size: 2.2rem;
    }
    
    .hero-badge {
        font-size: 0.75rem;
    }
    
    .hero-btns {
        flex-direction: column;
        width: 100%;
    }
    
    .hero-btns .btn {
        width: 100%;
    }
    
    .hero-stats {
        flex-direction: column;
        gap: 20px;
        align-items: center;
        width: 100%;
    }
    
    .about-features {
        grid-template-columns: 1fr;
    }
    
    .contact-form-container {
        padding: 30px 20px;
    }
    
    .footer-bottom {
        flex-direction: column;
        gap: 20px;
        text-align: center;
    }
}