/* --- PREMIUM DESIGN SYSTEM & VARIABLES --- */
:root {
    --brand-deep: #0B2F1A;     
    --brand-green: #144D2B;    
    --brand-gold: #C5A85A;     
    --brand-gold-light: #EFECE3; 
    --dark: #0A0F0D;           
    --light: #F3F4F6;          
    --section-alt: #FFFFFF;    
    --muted: #475569;          
    --white: #FFFFFF;
    --card-border: 1px solid rgba(11, 47, 26, 0.05); 
    --font: 'Plus Jakarta Sans', sans-serif;
    --bezier: cubic-bezier(0.16, 1, 0.3, 1);
    --transition: all 0.4s var(--bezier);
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    outline: none;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font);
    background-color: var(--section-alt);
    color: var(--dark);
    line-height: 1.7;
    overflow-x: hidden;
}

.container {
    max-width: 1440px;
    margin: 0 auto;
    padding: 0 2.5rem;
}

/* --- REUSABLE COMPONENTS --- */
.badge {
    display: inline-block;
    padding: 0.6rem 1.4rem;
    background: var(--brand-gold-light);
    color: var(--brand-green);
    font-weight: 700;
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 2px;
    border-radius: 100px;
    margin-bottom: 1.5rem;
    border: 1px solid rgba(197, 168, 90, 0.3);
}

.title-large {
    font-size: 3.5rem;
    font-weight: 800;
    line-height: 1.15;
    color: var(--brand-deep);
    letter-spacing: -1.5px;
}

.title-large span {
    background: linear-gradient(to right, var(--brand-green), var(--brand-gold));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.desc-text {
    color: var(--muted);
    font-size: 1.1rem;
    max-width: 600px;
    margin-top: 1.5rem;
}

.btn-premium {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.75rem;
    padding: 1.2rem 2.8rem;
    background-color: var(--brand-green);
    color: var(--white);
    text-decoration: none;
    font-weight: 700;
    border-radius: 16px; 
    transition: var(--transition);
    border: 1px solid transparent;
    box-shadow: 0 10px 25px rgba(20, 77, 43, 0.2);
    cursor: pointer;
}

.btn-premium:hover {
    background-color: var(--brand-deep);
    transform: translateY(-4px);
    box-shadow: 0 15px 35px rgba(11, 47, 26, 0.3);
}

.btn-premium.gold {
    background-color: var(--brand-gold);
    color: var(--brand-deep);
    box-shadow: 0 10px 25px rgba(197, 168, 90, 0.25);
}

.btn-premium.gold:hover {
    background-color: var(--brand-deep);
    color: #fff;
}

/* --- STABLE FLOATING HEADER --- */
header {
    position: fixed;
    top: 1.5rem;
    left: 0;
    width: 100%;
    z-index: 1000;
    transition: var(--transition);
}

.header-wrap {
    background: rgba(255, 255, 255, 0.9);
    backdrop-filter: blur(25px);
    -webkit-backdrop-filter: blur(25px);
    border: 1px solid rgba(11, 47, 26, 0.08);
    padding: 1rem 1.5rem;
    border-radius: 100px; 
    display: flex;
    justify-content: space-between;
    align-items: center;
    box-shadow: 0 10px 30px rgba(11, 47, 26, 0.05);
}

header.scrolled {
    top: 0.5rem;
}
header.scrolled .header-wrap {
    background: rgba(255, 255, 255, 0.98);
    box-shadow: 0 15px 40px rgba(0,0,0,0.08);
    border-color: rgba(197, 168, 90, 0.3);
}

.brand-identity {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    text-decoration: none;
}

.brand-logo-icon {
    width: 42px;
    height: 42px;
    background: var(--brand-green);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--brand-gold);
    font-size: 1.6rem;
    font-weight: 800;
}

.brand-logo-img {
    height: 63px;
    width: auto;
    object-fit: contain;
}

.brand-meta h1 {
    font-size: 1.5rem;
    font-weight: 800;
    color: var(--brand-deep);
    letter-spacing: 1px;
    line-height: 1;
}

.brand-meta p {
    font-size: 0.65rem;
    color: var(--brand-gold);
    font-weight: 700;
    letter-spacing: 1.5px;
    margin-top: 3px;
}

nav ul {
    list-style: none;
    display: flex;
    gap: 1.5rem;
}

nav ul li a {
    text-decoration: none;
    color: var(--brand-deep);
    font-weight: 700;
    font-size: 0.95rem;
    transition: var(--transition);
    position: relative;
}

nav ul li a:hover {
    color: var(--brand-gold);
}

.menu-toggle {
    display: none;
    font-size: 1.8rem;
    cursor: pointer;
    color: var(--brand-deep);
}

/* --- HERO SECTION --- */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding-top: 9rem;
    background: radial-gradient(circle at 85% 30%, rgba(197, 168, 90, 0.1) 0%, var(--section-alt) 60%);
    position: relative;
}

.hero-grid {
    display: grid;
    grid-template-columns: 1.2fr 0.8fr;
    gap: 5rem;
    align-items: center;
}

.hero-tagline {
    font-size: 4.8rem;
    font-weight: 800;
    line-height: 1.1;
    color: var(--brand-deep);
    letter-spacing: -2px;
    margin-bottom: 2rem;
}

.hero-actions {
    display: flex;
    gap: 2rem;
    margin-top: 3.5rem;
    align-items: center;
}

.hero-visual {
    position: relative;
}

.main-architecture-img {
    width: 100%;
    border-radius: 32px; 
    box-shadow: 0 30px 60px rgba(11, 47, 26, 0.15);
    object-fit: cover;
    height: 560px;
    border: var(--card-border);
}

.floating-system-card {
    position: absolute;
    bottom: -2rem;
    left: -2rem;
    background: #FFFFFF;
    padding: 2rem;
    border-radius: 24px;
    box-shadow: 0 30px 60px rgba(11,47,26,0.12);
    border: var(--card-border);
    display: flex;
    align-items: center;
    gap: 1.5rem;
    z-index: 10;
}

.f-icon {
    width: 52px;
    height: 52px;
    border-radius: 50%;
    background: rgba(197, 168, 90, 0.15);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--brand-gold);
    font-size: 1.6rem;
}

.f-info h4 { font-size: 1.25rem; font-weight: 700; color: var(--brand-deep); }
.f-info p { font-size: 0.85rem; color: var(--muted); }

/* --- STATS SECTION --- */
.stats-section {
    background: var(--brand-deep);
    padding: 3.5rem 0;
    margin-top: -1px;
    color: #fff;
    position: relative;
    z-index: 10;
}

.stats-grid {
    display: flex;
    justify-content: space-around;
    align-items: center;
    text-align: center;
    flex-wrap: wrap;
    gap: 2rem;
}

.stat-item {
    flex: 1;
    min-width: 250px;
}

.stat-num {
    font-size: 3.5rem;
    font-weight: 800;
    color: var(--brand-gold);
    margin-bottom: 0.5rem;
    line-height: 1;
}

.stat-text {
    font-size: 1.1rem;
    color: rgba(255,255,255,0.8);
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 1px;
}

/* --- MANIFESTO SECTION V2 (VISION & MISSION) --- */
.manifesto-v2 {
    background-color: var(--brand-deep);
    color: #FFFFFF;
    padding: 8rem 0;
    position: relative;
    border-radius: 40px; 
    margin: 0 2rem; 
}

.manifesto-v2-grid {
    display: grid;
    grid-template-columns: 1.1fr 0.9fr;
    gap: 5rem;
    align-items: center;
}

.manifesto-v2-cards {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.m-card {
    background: rgba(255,255,255,0.03);
    border: 1px solid rgba(255,255,255,0.08);
    padding: 2.5rem;
    border-radius: 24px;
    display: flex;
    gap: 1.5rem;
    align-items: flex-start;
    transition: var(--transition);
}

.m-card:hover {
    background: rgba(255,255,255,0.06);
    border-color: rgba(197, 168, 90, 0.3);
    transform: translateY(-5px);
}

.m-icon {
    width: 64px;
    height: 64px;
    flex-shrink: 0;
    border-radius: 16px;
    background: rgba(197, 168, 90, 0.1);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--brand-gold);
    font-size: 2rem;
}

.m-content h4 {
    font-size: 1.4rem;
    font-weight: 700;
    color: var(--brand-gold);
    margin-bottom: 0.8rem;
    margin-top: 0.3rem;
}

.m-content p {
    font-size: 1.05rem;
    line-height: 1.7;
    color: rgba(255,255,255,0.85);
}

/* --- ECO-SYSTEM SERVICES --- */
.services {
    padding: 10rem 0;
    background: var(--section-alt); 
}

.services-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-end;
    margin-bottom: 5rem;
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 3rem;
}

.premium-card {
    background: var(--light); 
    padding: 4rem 3rem;
    border-radius: 32px; 
    transition: var(--transition);
    border: 1px solid transparent;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    height: 100%;
}

.premium-card:hover {
    background: #FFFFFF;
    transform: translateY(-8px);
    box-shadow: 0 30px 60px rgba(11, 47, 26, 0.08);
    border-color: rgba(20, 77, 43, 0.1);
}

.card-icon-box {
    width: 70px;
    height: 70px;
    background: #FFFFFF;
    border-radius: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--brand-green);
    font-size: 2rem;
    box-shadow: 0 10px 20px rgba(0,0,0,0.05);
    margin-bottom: 3rem;
    transition: var(--transition);
}

.premium-card:hover .card-icon-box {
    background: var(--brand-green);
    color: #FFFFFF;
}

.premium-card h3 {
    font-size: 1.5rem;
    font-weight: 800;
    color: var(--brand-deep);
    margin-bottom: 1.2rem;
}

.premium-card p {
    color: var(--muted);
    font-size: 1rem;
    margin-bottom: 2.5rem;
}

.card-link {
    font-weight: 700;
    font-size: 1rem;
    color: var(--brand-green);
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    transition: var(--transition);
}

.card-link:hover {
    gap: 0.8rem;
    color: var(--brand-gold);
}

/* --- DIGITAL PLATFORM SHOWCASE --- */
.digital-platform {
    padding: 9rem 0;
    background: var(--light); 
    border-radius: 40px;
    margin: 0 2rem;
}

.digital-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 6rem;
    align-items: center;
}

.features-list-wrapper {
    margin-top: 3.5rem;
}

.feature-row {
    display: flex;
    gap: 1.5rem;
    margin-bottom: 2rem;
    background: #FFFFFF;
    padding: 2rem;
    border-radius: 24px;
    box-shadow: 0 10px 25px rgba(0,0,0,0.02);
    border: 1px solid transparent;
    transition: var(--transition);
}

.feature-row:hover {
    border-color: rgba(197, 168, 90, 0.3);
    transform: translateY(-3px);
}

.feature-row i {
    font-size: 2rem;
    color: var(--brand-green);
    margin-top: 0.1rem;
}

.feature-row h4 {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--brand-deep);
    margin-bottom: 0.5rem;
}

.feature-row p {
    color: var(--muted);
    font-size: 0.95rem;
}

.mockup-container {
    position: relative;
    display: flex;
    justify-content: center;
}

.mockup-bg-shape {
    position: absolute;
    width: 85%;
    height: 85%;
    background: var(--brand-green);
    border-radius: 50%;
    top: 5%;
    z-index: 1;
    filter: blur(60px);
    opacity: 0.15;
}

.mockup-img {
    z-index: 2;
    max-width: 320px;
    width: 100%;
    height: auto;
    filter: drop-shadow(0 30px 60px rgba(11,47,26,0.15));
    border-radius: 45px;
}

.operations-img {
    z-index: 2;
    max-width: 440px;
    width: 100%;
    height: auto;
    filter: drop-shadow(0 30px 60px rgba(11,47,26,0.15));
    border-radius: 32px;
    object-fit: cover;
}

/* --- INTERACTIVE SYSTEM ESTIMATOR --- */
.estimator {
    padding: 10rem 0;
    background: var(--section-alt); 
}

.estimator-wrap {
    background: var(--brand-deep);
    border-radius: 40px;
    padding: 6rem;
    color: #FFFFFF;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 5rem;
    box-shadow: 0 40px 80px rgba(11, 47, 26, 0.2);
    position: relative;
    overflow: hidden;
}

.calc-control h3 { font-size: 2.5rem; font-weight: 800; margin-bottom: 1.5rem; color: var(--brand-gold); }
.calc-control p { opacity: 0.85; margin-bottom: 3.5rem; }

.range-box label {
    display: flex;
    justify-content: space-between;
    font-weight: 600;
    margin-bottom: 1.2rem;
    font-size: 1.15rem;
}

.range-box label span { color: var(--brand-gold); font-size: 1.75rem; font-weight: 800; }

.modern-slider {
    -webkit-appearance: none;
    width: 100%;
    height: 12px;
    border-radius: 10px;
    background: rgba(255,255,255,0.15);
    outline: none;
}

.modern-slider::-webkit-slider-thumb {
    -webkit-appearance: none;
    width: 28px;
    height: 28px;
    border-radius: 50%;
    background: var(--brand-gold);
    cursor: pointer;
    transition: var(--transition);
    box-shadow: 0 0 10px rgba(0,0,0,0.5);
}

.modern-slider::-webkit-slider-thumb:hover {
    transform: scale(1.25);
    background: #FFFFFF;
}

.calc-result {
    background: rgba(255, 255, 255, 0.05);
    backdrop-filter: blur(15px);
    border: 1px solid rgba(255,255,255,0.1);
    padding: 3.5rem;
    border-radius: 28px;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
}

.tier-badge {
    align-self: flex-start;
    padding: 0.6rem 1.5rem;
    background: rgba(197, 168, 90, 0.25);
    color: var(--brand-gold);
    border-radius: 100px;
    font-size: 0.85rem;
    font-weight: 700;
    text-transform: uppercase;
}

.price-display {
    margin: 2.5rem 0;
}

.price-display h4 { font-size: 1rem; opacity: 0.75; text-transform: uppercase; letter-spacing: 1px; }
.price-display .amount { font-size: 4rem; font-weight: 800; color: var(--brand-gold); }

.included-features {
    list-style: none;
    border-top: 1px solid rgba(255,255,255,0.15);
    padding-top: 2rem;
}

.included-features li {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-bottom: 0.9rem;
    font-size: 1.05rem;
    opacity: 0.95;
}

.included-features li i { color: var(--brand-gold); font-size: 1.4rem; }

/* --- ACCORDION (FAQ) --- */
.faq {
    padding: 6rem 0 10rem 0;
    background: var(--section-alt); 
}

.faq-wrap {
    max-width: 900px;
    margin: 4rem auto 0 auto;
}

.faq-item {
    background: var(--light); 
    border-radius: 24px;
    margin-bottom: 1.5rem;
    overflow: hidden;
    border: 1px solid transparent;
    transition: var(--transition);
}

.faq-trigger {
    padding: 2.2rem;
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-weight: 700;
    font-size: 1.15rem;
    color: var(--brand-deep);
}

.faq-trigger i {
    transition: var(--transition);
    font-size: 1.6rem;
    color: var(--brand-green);
}

.faq-content {
    padding: 0 2.2rem;
    max-height: 0;
    overflow: hidden;
    transition: var(--transition);
    color: var(--muted);
    font-size: 1.05rem;
    line-height: 1.8;
}

.faq-item.active {
    background: #FFFFFF;
    border-color: rgba(197, 168, 90, 0.4);
    box-shadow: 0 20px 40px rgba(11, 47, 26, 0.05);
}

.faq-item.active .faq-trigger i {
    transform: rotate(45deg);
    color: var(--brand-gold);
}

.faq-item.active .faq-content {
    padding: 0 2.2rem 2.2rem 2.2rem;
    max-height: 300px;
}

/* --- REDESIGNED LUXURY CONTACT SECTION (EŞİT & YUVARLAK HATLI) --- */
.contact {
    padding: 8rem 0;
    background: var(--light); 
    border-radius: 40px;
    margin: 0 2rem 5rem 2rem;
}

.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1fr; 
    gap: 6rem;
    align-items: center; 
}

.contact-meta h2 { 
    font-size: 3.5rem; 
    font-weight: 800; 
    color: var(--brand-deep); 
    margin-bottom: 1.5rem;
    line-height: 1.2;
}

.contact-meta p { 
    color: var(--muted); 
    font-size: 1.1rem;
    margin-bottom: 3.5rem; 
    max-width: 90%;
}

.contact-card-v2 {
    display: flex;
    align-items: center;
    gap: 1.5rem;
    margin-bottom: 1.5rem;
    background: #FFFFFF; 
    padding: 2rem;
    border-radius: 24px; 
    box-shadow: 0 10px 30px rgba(0,0,0,0.02);
    transition: var(--transition);
}

.contact-card-v2:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 35px rgba(11,47,26,0.06);
}

.c-icon {
    width: 60px; height: 60px;
    background: var(--light);
    border-radius: 16px;
    display: flex; align-items: center; justify-content: center;
    color: var(--brand-green); font-size: 1.8rem;
}

.c-info h4 { font-size: 0.85rem; text-transform: uppercase; color: var(--muted); letter-spacing: 1px; margin-bottom: 4px; }
.c-info p { 
    font-size: 1.2rem; 
    font-weight: 800; 
    color: var(--brand-deep); 
    white-space: nowrap;
}

.premium-form {
    background: #FFFFFF;
    padding: 4.5rem 4rem;
    border-radius: 40px; 
    box-shadow: 0 30px 60px rgba(11,47,26,0.08);
    width: 100%;
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1.5rem;
    margin-bottom: 1.5rem;
}

.input-group {
    margin-bottom: 1.5rem;
    width: 100%;
}

.input-group label {
    display: block;
    margin-bottom: 0.6rem;
    font-size: 0.9rem;
    font-weight: 700;
    color: var(--brand-deep);
    margin-left: 0.5rem;
}

.input-group input, .input-group textarea {
    width: 100%;
    background: var(--light); 
    border: 2px solid transparent;
    border-radius: 20px; 
    padding: 1.2rem 1.5rem;
    font-family: var(--font);
    font-size: 1rem;
    color: var(--dark);
    transition: var(--transition);
}

.input-group textarea {
    resize: none;
    height: 120px;
}

.input-group input:focus, .input-group textarea:focus {
    background: #FFFFFF;
    border-color: var(--brand-green);
    box-shadow: 0 10px 25px rgba(20, 77, 43, 0.08);
}

.input-group input::placeholder, .input-group textarea::placeholder {
    color: #94A3B8;
}

.premium-form .btn-premium {
    width: 100%;
    margin-top: 1rem;
    padding: 1.4rem;
    font-size: 1.1rem;
    border-radius: 20px; 
}

/* --- PRESTIGE FOOTER --- */
footer {
    background: var(--brand-deep);
    color: #FFFFFF;
    padding: 8rem 0 3.5rem 0;
    border-top: 4px solid var(--brand-gold);
}

.footer-grid {
    display: grid;
    grid-template-columns: 1.6fr 1.2fr 1.2fr;
    gap: 5rem;
    border-bottom: 1px solid rgba(255,255,255,0.08);
    padding-bottom: 5rem;
    margin-bottom: 3rem;
}

.footer-brand p { color: rgba(255,255,255,0.65); margin-top: 1.8rem; font-size: 1rem; max-width: 360px; }

.footer-links h4 {
    color: var(--brand-gold);
    font-size: 1.15rem;
    margin-bottom: 2rem;
    text-transform: uppercase;
    letter-spacing: 1px;
}

/* Arrow icon hidden on desktop — only visible in mobile accordion */
.footer-arrow {
    display: none;
}

.footer-links ul { list-style: none; }
.footer-links ul li { margin-bottom: 1.1rem; }
.footer-links ul li a {
    color: rgba(255,255,255,0.75);
    text-decoration: none;
    transition: var(--transition);
    font-size: 0.95rem;
}

.footer-links ul li a:hover {
    color: var(--brand-gold);
    padding-left: 8px;
}

.footer-bottom {
    display: flex;
    justify-content: space-between;
    align-items: center;
    color: rgba(255,255,255,0.4);
    font-size: 0.95rem;
}

/* --- INTERNAL PAGES & SERVICES ZIGZAG --- */
.inner-hero {
    padding: 12rem 0 6rem 0;
    background: radial-gradient(circle at 50% 0%, rgba(197, 168, 90, 0.1) 0%, var(--section-alt) 80%);
    text-align: center;
    border-bottom: var(--card-border);
}

.inner-hero .title-large {
    margin-bottom: 1.5rem;
}

.services-detailed {
    padding: 6rem 0;
    background-color: var(--section-alt);
}

.service-zigzag {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
    margin-bottom: 6rem;
}

.service-zigzag:last-child {
    margin-bottom: 0;
}

.service-zigzag.reverse .service-content {
    order: 2;
}

.service-zigzag.reverse .service-image-box {
    order: 1;
}

.service-content h3 {
    font-size: 2.2rem;
    color: var(--brand-deep);
    margin-bottom: 1.5rem;
    letter-spacing: -0.5px;
}

.service-content p {
    font-size: 1.1rem;
    color: var(--muted);
    line-height: 1.8;
    margin-bottom: 1.5rem;
}

.service-content ul {
    list-style: none;
    margin-top: 2rem;
}

.service-content ul li {
    display: flex;
    align-items: flex-start;
    gap: 1rem;
    margin-bottom: 1rem;
    font-size: 1.05rem;
    color: var(--dark);
}

.service-content ul li i {
    color: var(--brand-gold);
    font-size: 1.4rem;
    margin-top: -2px;
}

.service-image-box img {
    width: 100%;
    border-radius: 32px;
    box-shadow: 0 20px 40px rgba(11, 47, 26, 0.1);
    border: var(--card-border);
}

/* --- ADVANCED ABOUT US STYLES --- */
.about-intro-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 2rem;
    margin-top: -4rem;
    position: relative;
    z-index: 10;
    margin-bottom: 6rem;
}

.about-intro-card {
    background: var(--surface);
    padding: 4rem 3rem;
    border-radius: 24px;
    box-shadow: 0 30px 60px rgba(11, 47, 26, 0.08);
    border: var(--card-border);
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}

.about-intro-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 4px;
    height: 0;
    background: var(--brand-gold);
    transition: height 0.4s ease;
}

.about-intro-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 40px 80px rgba(11, 47, 26, 0.12);
}

.about-intro-card:hover::before {
    height: 100%;
}

.about-intro-card h3 {
    font-size: 1.8rem;
    color: var(--brand-deep);
    margin-bottom: 1rem;
}

.about-intro-card p {
    color: var(--muted);
    line-height: 1.8;
}

/* Values Grid */
.values-section {
    padding: 6rem 0;
    background: linear-gradient(to bottom, #ffffff, var(--section-alt));
}

.values-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 2rem;
    margin-top: 4rem;
}

.value-box {
    background: #fff;
    padding: 3rem 2rem;
    border-radius: 20px;
    text-align: center;
    border: 1px solid rgba(197, 168, 90, 0.2);
    transition: var(--transition);
}

.value-box:hover {
    background: var(--brand-deep);
    border-color: var(--brand-deep);
}

.value-box i {
    font-size: 2.5rem;
    color: var(--brand-gold);
    margin-bottom: 1.5rem;
    display: inline-block;
    transition: var(--transition);
}

.value-box h4 {
    font-size: 1.2rem;
    color: var(--brand-deep);
    margin-bottom: 1rem;
    transition: var(--transition);
}

.value-box p {
    color: var(--muted);
    font-size: 0.95rem;
    line-height: 1.6;
    transition: var(--transition);
}

.value-box:hover h4, .value-box:hover p {
    color: #fff;
}

.value-box:hover i {
    transform: scale(1.1);
}

/* CEO Quote Section */
.ceo-quote-section {
    padding: 8rem 0;
    background: url('../images/hero_architecture.jpg') center/cover fixed;
    position: relative;
}

.ceo-quote-section::before {
    content: '';
    position: absolute;
    top: 0; left: 0; width: 100%; height: 100%;
    background: rgba(11, 47, 26, 0.9);
}

.quote-content {
    position: relative;
    z-index: 2;
    max-width: 800px;
    margin: 0 auto;
    text-align: center;
    color: #fff;
}

.quote-icon {
    font-size: 4rem;
    color: var(--brand-gold);
    opacity: 0.5;
    margin-bottom: 1rem;
}

.quote-text {
    font-size: 1.8rem;
    font-weight: 300;
    line-height: 1.6;
    font-style: italic;
    margin-bottom: 2rem;
}

.quote-author {
    font-size: 1.2rem;
    font-weight: 600;
    color: var(--brand-gold);
    text-transform: uppercase;
    letter-spacing: 2px;
}

.quote-role {
    font-size: 0.9rem;
    color: rgba(255,255,255,0.6);
    margin-top: 0.5rem;
}

/* --- BLOG & ANNOUNCEMENTS STYLES --- */
.blog-section {
    padding: 6rem 0;
    background: var(--surface);
}

.blog-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 3rem;
}

.blog-card {
    background: #fff;
    border-radius: 20px;
    overflow: hidden;
    box-shadow: 0 10px 30px rgba(11, 47, 26, 0.05);
    border: var(--card-border);
    transition: var(--transition);
    display: flex;
    flex-direction: column;
}

.blog-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 20px 40px rgba(11, 47, 26, 0.1);
}

.blog-image-wrap {
    position: relative;
    width: 100%;
    height: 240px;
    overflow: hidden;
}

.blog-image-wrap img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s ease;
}

.blog-card:hover .blog-image-wrap img {
    transform: scale(1.05);
}

.blog-badge {
    position: absolute;
    top: 1rem;
    left: 1rem;
    background: var(--brand-gold);
    color: var(--brand-deep);
    padding: 0.4rem 1rem;
    border-radius: 30px;
    font-size: 0.8rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.blog-content {
    padding: 2rem;
    display: flex;
    flex-direction: column;
    flex: 1;
}

.blog-meta {
    display: flex;
    align-items: center;
    gap: 1.5rem;
    color: var(--muted);
    font-size: 0.9rem;
    margin-bottom: 1rem;
}

.blog-meta i {
    color: var(--brand-gold);
    margin-right: 0.3rem;
}

.blog-title {
    font-size: 1.4rem;
    color: var(--brand-deep);
    margin-bottom: 1rem;
    line-height: 1.4;
    transition: var(--transition);
}

.blog-title:hover {
    color: var(--brand-gold);
}

.blog-excerpt {
    color: var(--muted);
    line-height: 1.7;
    font-size: 0.95rem;
    margin-bottom: 2rem;
    flex: 1;
}

.blog-btn {
    align-self: flex-start;
    color: var(--brand-gold);
    font-weight: 600;
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    transition: var(--transition);
}

.blog-btn:hover {
    gap: 0.8rem;
    color: var(--brand-deep);
}

/* --- FOUNDER QUOTE SECTION --- */
.founder-quote {
    position: relative;
    padding: 10rem 0;
    background-size: cover;
    background-position: center;
    background-attachment: fixed;
    margin-bottom: 5rem;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
}

.quote-overlay {
    position: absolute;
    top: 0; left: 0; right: 0; bottom: 0;
    background: rgba(11, 47, 26, 0.85);
    z-index: 1;
}

.quote-content {
    position: relative;
    z-index: 10;
    max-width: 900px;
    margin: 0 auto;
    color: #fff;
}

.quote-icon {
    font-size: 4rem;
    color: var(--brand-gold);
    opacity: 0.6;
    display: block;
    margin-bottom: 1.5rem;
}

.quote-text {
    font-size: 2.2rem;
    font-weight: 300;
    line-height: 1.6;
    margin-bottom: 3rem;
    font-style: italic;
}

.quote-author h4 {
    font-size: 1.2rem;
    font-weight: 700;
    color: var(--brand-gold);
    text-transform: uppercase;
    letter-spacing: 2px;
    margin-bottom: 0.5rem;
}

.quote-author span {
    font-size: 0.95rem;
    color: rgba(255,255,255,0.7);
}

.relative { position: relative; }
.z-10 { z-index: 10; }

/* --- OPERASYONEL DNA SECTION --- */
.dna-section {
    padding: 8rem 0;
    background-color: var(--section-alt);
    margin-bottom: 2rem;
}

.dna-title {
    text-align: center;
    font-size: 3rem;
    margin-bottom: 4rem;
}

.dna-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 3rem;
    max-width: 1000px;
    margin: 0 auto;
}

.dna-card {
    background: #FFFFFF;
    padding: 3rem;
    border-radius: 24px;
    box-shadow: 0 15px 40px rgba(11,47,26,0.04);
    display: flex;
    gap: 1.5rem;
    align-items: flex-start;
    border: 1px solid transparent;
    transition: var(--transition);
}

.dna-card:hover {
    border-color: rgba(197,168,90,0.3);
    transform: translateY(-5px);
    box-shadow: 0 20px 50px rgba(11,47,26,0.08);
}

.dna-icon {
    width: 64px;
    height: 64px;
    flex-shrink: 0;
    background: var(--light);
    border-radius: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--brand-green);
    font-size: 2rem;
    transition: var(--transition);
}

.dna-card:hover .dna-icon {
    background: var(--brand-green);
    color: #FFFFFF;
}

.dna-info h3 {
    font-size: 1.3rem;
    font-weight: 800;
    color: var(--brand-deep);
    margin-bottom: 0.8rem;
    margin-top: 0.2rem;
}

.dna-info p {
    color: var(--muted);
    font-size: 1rem;
    line-height: 1.7;
}

/* --- RESPONSIVE ADJUSTMENTS --- */

/* ===== TABLET (max-width: 1024px) ===== */
@media (max-width: 1024px) {
    .container {
        padding: 0 2rem;
    }

    /* Grids to single column */
    .hero-grid, .digital-grid, .estimator-wrap, .contact-grid, .about-intro-grid {
        grid-template-columns: 1fr;
        gap: 4rem;
    }
    
    .values-grid, .blog-grid {
        grid-template-columns: 1fr 1fr;
    }

    /* Typography scaling */
    .hero-tagline { font-size: 3.2rem; }
    .title-large { font-size: 2.6rem; }
    .manifesto-title { font-size: 1.8rem; }
    .manifesto-text { font-size: 1.1rem; }

    /* Hero */
    .hero { padding-top: 8rem; min-height: auto; padding-bottom: 5rem; }
    .main-architecture-img { height: 380px; }

    /* Estimator & Form */
    .estimator-wrap { padding: 3.5rem 2.5rem; }
    .premium-form { padding: 3rem 2.5rem; }
    .calc-control h3 { font-size: 2rem; }
    .price-display .amount { font-size: 3rem; }

    /* Sections - remove rounded margin */
    .manifesto, .digital-platform, .contact { margin: 0; border-radius: 0; }

    /* Services & Zigzag */
    .services { padding: 6rem 0; }
    .services-header { flex-direction: column; align-items: flex-start; gap: 1.5rem; }
    .service-zigzag { grid-template-columns: 1fr; gap: 3rem; }
    .service-zigzag.reverse .service-content, .service-zigzag.reverse .service-image-box { order: unset; }

    /* Estimator section */
    .estimator { padding: 6rem 0; }

    /* Operations image */
    .operations-img { max-width: 100%; }
    .mockup-img { max-width: 280px; }

    /* Contact */
    .contact { padding: 5rem 0; }
    .contact-meta h2 { font-size: 2.8rem; }
}

/* ===== MOBILE (max-width: 768px) ===== */
@media (max-width: 768px) {
    .stats-grid { flex-direction: column; gap: 3rem; }
    .stat-num { font-size: 2.8rem; }
    
    .founder-quote { padding: 8rem 0; }
    .quote-text { font-size: 1.8rem; }
    .dna-grid { grid-template-columns: 1fr; gap: 2rem; }
    .dna-card { padding: 2rem; }

    /* Force all 2-column grids to single column */
    .values-grid, .blog-grid {
        grid-template-columns: 1fr;
    }

    .value-box {
        padding: 2.5rem 1.5rem;
    }
    .container {
        padding: 0 1.5rem;
    }

    /* --- HEADER --- */
    header {
        top: 0.5rem;
    }

    .header-wrap {
        padding: 1rem 1.5rem;
        border-radius: 20px;
        gap: 0.75rem;
    }

    .brand-logo-img {
        height: 52px;
    }

    .menu-toggle {
        display: block;
        order: 2;
    }

    /* Hide CTA button on mobile, show in nav instead */
    .header-wrap > .btn-premium {
        display: none;
    }

    nav {
        position: absolute;
        top: 100%;
        left: 0;
        width: 100%;
        background: #FFFFFF;
        box-shadow: 0 15px 40px rgba(0,0,0,0.12);
        padding: 2rem;
        display: none;
        border-radius: 20px;
        margin-top: 0.75rem;
        z-index: 999;
    }

    nav.open { display: block; }

    nav ul {
        flex-direction: column;
        gap: 1.2rem;
        text-align: center;
    }

    nav ul li a {
        font-size: 1.1rem;
        padding: 0.5rem 0;
        display: block;
    }

    /* --- HERO --- */
    .hero {
        padding-top: 8.5rem;
        padding-bottom: 4rem;
        min-height: auto;
    }

    .hero-tagline {
        font-size: 2.4rem;
        letter-spacing: -1px;
        margin-bottom: 1.2rem;
    }

    .desc-text {
        font-size: 1rem;
        margin-top: 1rem;
    }

    .hero-actions {
        margin-top: 2rem;
        flex-direction: column;
        gap: 1rem;
    }

    .hero-actions .btn-premium {
        width: 100%;
        text-align: center;
        justify-content: center;
    }

    .main-architecture-img {
        height: 280px;
        border-radius: 24px;
    }

    .floating-system-card {
        left: 1rem;
        bottom: -1rem;
        padding: 1rem 1.2rem;
        border-radius: 16px;
        gap: 1rem;
    }

    .f-icon {
        width: 40px;
        height: 40px;
        font-size: 1.2rem;
    }

    .f-info h4 { font-size: 1rem; }
    .f-info p { font-size: 0.75rem; }

    /* --- MANIFESTO --- */
    .manifesto {
        padding: 4rem 0;
    }

    .manifesto-wrap {
        flex-direction: column;
        align-items: flex-start;
        gap: 1.5rem;
    }

    .manifesto-title {
        font-size: 1.5rem;
        max-width: 100%;
    }

    .manifesto-text {
        font-size: 1rem;
        padding-left: 1.5rem;
    }

    /* --- SERVICES & ZIGZAG --- */
    .services {
        padding: 4rem 0;
    }

    .services-header {
        flex-direction: column;
        align-items: flex-start;
        gap: 1rem;
        margin-bottom: 2.5rem;
    }

    .inner-hero {
        padding: 8rem 0 4rem 0;
    }

    .services-detailed {
        padding: 4rem 0;
    }

    .service-zigzag {
        grid-template-columns: 1fr;
        gap: 2rem;
        margin-bottom: 4rem;
    }

    .service-content h3 { font-size: 1.6rem; }
    .service-content p { font-size: 1rem; }
    .service-content ul li { font-size: 0.95rem; }

    .title-large {
        font-size: 2.2rem;
        letter-spacing: -1px;
    }

    .services-grid {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }

    .premium-card {
        padding: 2.5rem 2rem;
        border-radius: 24px;
    }

    .card-icon-box {
        width: 56px;
        height: 56px;
        border-radius: 16px;
        font-size: 1.6rem;
        margin-bottom: 2rem;
    }

    .premium-card h3 { font-size: 1.3rem; }
    .premium-card p { margin-bottom: 1.5rem; }

    /* --- DIGITAL / SAHA OPERASYONU --- */
    .digital-platform {
        padding: 4rem 0;
    }

    .digital-grid {
        gap: 3rem;
    }

    .features-list-wrapper {
        margin-top: 2rem;
    }

    .feature-row {
        padding: 1.5rem;
        border-radius: 20px;
        gap: 1rem;
        margin-bottom: 1.2rem;
    }

    .feature-row i { font-size: 1.6rem; }
    .feature-row h4 { font-size: 1.1rem; }
    .feature-row p { font-size: 0.9rem; }

    .mockup-container {
        justify-content: center;
    }

    .operations-img {
        max-width: 100%;
        border-radius: 24px;
    }

    /* --- ESTIMATOR --- */
    .estimator {
        padding: 4rem 0;
    }

    .estimator-wrap {
        padding: 2.5rem 1.5rem;
        border-radius: 28px;
        gap: 2.5rem;
    }

    .calc-control h3 {
        font-size: 1.8rem;
    }

    .calc-control p {
        margin-bottom: 2rem;
        font-size: 0.95rem;
    }

    .range-box {
        margin-top: 2rem !important;
    }

    .range-box label {
        font-size: 1rem;
    }

    .range-box label span {
        font-size: 1.4rem;
    }

    .calc-result {
        padding: 2rem 1.5rem;
        border-radius: 20px;
    }

    .price-display .amount {
        font-size: 2.8rem;
    }

    .tier-badge {
        font-size: 0.75rem;
        padding: 0.5rem 1.2rem;
    }

    .included-features li {
        font-size: 0.95rem;
        gap: 0.75rem;
    }

    /* --- FAQ --- */
    .faq {
        padding: 4rem 0 5rem 0;
    }

    .faq-wrap {
        margin-top: 2.5rem;
    }

    .faq-item {
        border-radius: 20px;
        margin-bottom: 1rem;
    }

    .faq-trigger {
        padding: 1.5rem;
        font-size: 1rem;
        gap: 1rem;
    }

    .faq-trigger i { font-size: 1.3rem; }

    .faq-item.active .faq-content {
        padding: 0 1.5rem 1.5rem 1.5rem;
    }

    .faq-content {
        font-size: 0.95rem;
        padding: 0 1.5rem;
    }

    /* --- CONTACT --- */
    .contact {
        padding: 4rem 0;
        margin: 0 0 3rem 0;
    }

    .contact-meta h2 {
        font-size: 2.2rem;
        margin-bottom: 1rem;
    }

    .contact-meta p {
        max-width: 100%;
        margin-bottom: 2rem;
    }

    .contact-card-v2 {
        padding: 1.5rem;
        border-radius: 20px;
        gap: 1rem;
        margin-bottom: 1rem;
    }

    .c-icon {
        width: 48px;
        height: 48px;
        border-radius: 14px;
        font-size: 1.4rem;
    }

    .c-info p {
        font-size: 1rem;
    }

    .premium-form {
        padding: 2.5rem 1.5rem;
        border-radius: 28px;
    }

    .form-row {
        grid-template-columns: 1fr;
        gap: 0;
    }

    .input-group input, .input-group textarea {
        padding: 1rem 1.2rem;
        border-radius: 16px;
        font-size: 0.95rem;
    }

    .premium-form .btn-premium {
        padding: 1.2rem;
        font-size: 1rem;
        border-radius: 16px;
    }

    /* --- FOOTER --- */
    footer {
        padding: 4rem 0 2.5rem 0;
    }

    .footer-grid {
        grid-template-columns: 1fr;
        gap: 1.5rem;
        padding-bottom: 3rem;
        margin-bottom: 2rem;
    }

    .footer-brand .brand-logo-img {
        height: 50px;
    }

    .footer-brand p {
        max-width: 100%;
    }

    /* Footer Accordion on Mobile */
    .footer-links {
        border-bottom: 1px solid rgba(255,255,255,0.1);
        padding-bottom: 0;
    }

    .footer-accordion-trigger {
        cursor: pointer;
        display: flex;
        justify-content: space-between;
        align-items: center;
        padding: 1rem 0;
        margin-bottom: 0;
        font-size: 1rem;
        user-select: none;
        -webkit-user-select: none;
    }

    .footer-arrow {
        display: inline-block;
        transition: var(--transition);
        font-size: 1.4rem;
        color: var(--brand-gold);
    }

    .footer-links ul {
        max-height: 0;
        overflow: hidden;
        transition: max-height 0.4s var(--bezier), padding 0.4s var(--bezier);
        padding: 0;
    }

    .footer-links.open ul {
        max-height: 200px;
        padding-bottom: 1rem;
    }

    .footer-links.open .footer-arrow {
        transform: rotate(180deg);
    }

    .footer-bottom {
        flex-direction: column;
        gap: 0.5rem;
        text-align: center;
        font-size: 0.85rem;
    }
}

/* ===== EXTRA SMALL (max-width: 480px) ===== */
@media (max-width: 480px) {
    .founder-quote { padding: 5rem 1rem; }
    .quote-text { font-size: 1.4rem; line-height: 1.5; }
    .container {
        padding: 0 1rem;
    }

    /* Force ALL multi-column inline grids to single column */
    [style*="grid-template-columns: 1fr 1fr"],
    [style*="grid-template-columns: 1fr 2fr"],
    [style*="grid-template-columns: 2fr 1fr"],
    [style*="grid-template-columns: 1.2fr 0.8fr"],
    [style*="grid-template-columns: 1.1fr 0.9fr"] {
        grid-template-columns: 1fr !important;
    }

    /* Values grid */
    .values-grid {
        grid-template-columns: 1fr;
        gap: 1rem;
    }
    
    .value-box {
        padding: 2rem 1.5rem;
    }

    /* Blog grid */
    .blog-grid {
        grid-template-columns: 1fr;
    }

    /* Header tighter */
    .header-wrap {
        padding: 0.8rem 1.2rem;
    }

    .brand-logo-img {
        height: 44px;
    }

    /* Hero extra small */
    .hero {
        padding-top: 7.5rem;
        padding-bottom: 3rem;
    }

    .hero-tagline {
        font-size: 1.9rem;
        letter-spacing: -0.5px;
    }

    .badge {
        font-size: 0.65rem;
        padding: 0.5rem 1rem;
        letter-spacing: 1.5px;
    }

    .desc-text {
        font-size: 0.9rem;
    }

    .main-architecture-img {
        height: 220px;
        border-radius: 20px;
    }

    .floating-system-card {
        padding: 0.8rem 1rem;
        gap: 0.75rem;
    }

    .f-icon {
        width: 36px;
        height: 36px;
        font-size: 1rem;
    }

    .f-info h4 { font-size: 0.9rem; }

    /* Manifesto extra small */
    .manifesto {
        padding: 3rem 0;
    }

    .manifesto-title { font-size: 1.3rem; }
    .manifesto-text { font-size: 0.9rem; padding-left: 1rem; }

    /* Title scaling */
    .title-large {
        font-size: 1.8rem;
    }

    /* Services */
    .services { padding: 3rem 0; }

    .premium-card {
        padding: 2rem 1.5rem;
        border-radius: 20px;
    }

    .card-icon-box {
        width: 48px;
        height: 48px;
        font-size: 1.3rem;
        margin-bottom: 1.5rem;
    }

    .premium-card h3 { font-size: 1.15rem; }

    /* Digital */
    .digital-platform { padding: 3rem 0; }

    .feature-row {
        padding: 1.2rem;
        border-radius: 16px;
    }

    .feature-row i { font-size: 1.4rem; }
    .feature-row h4 { font-size: 1rem; }

    /* Estimator */
    .estimator { padding: 3rem 0; }

    .estimator-wrap {
        padding: 2rem 1.2rem;
        border-radius: 24px;
        gap: 2rem;
    }

    .calc-control h3 { font-size: 1.5rem; }

    .price-display .amount { font-size: 2.2rem; }
    .price-display h4 { font-size: 0.8rem; }

    .calc-result {
        padding: 1.5rem 1.2rem;
    }

    .included-features li {
        font-size: 0.85rem;
    }

    /* FAQ */
    .faq { padding: 3rem 0 4rem 0; }

    .faq-trigger {
        padding: 1.2rem;
        font-size: 0.95rem;
    }

    /* Contact */
    .contact {
        padding: 3rem 0;
        margin-bottom: 2rem;
    }

    .contact-meta h2 { font-size: 1.8rem; }

    .contact-card-v2 {
        padding: 1.2rem;
        gap: 0.75rem;
    }

    .c-icon {
        width: 42px;
        height: 42px;
        font-size: 1.2rem;
        border-radius: 12px;
    }

    .c-info h4 { font-size: 0.75rem; }
    .c-info p { font-size: 0.95rem; }

    .premium-form {
        padding: 2rem 1.2rem;
        border-radius: 24px;
    }

    .input-group label { font-size: 0.85rem; }

    /* Footer */
    footer { padding: 3rem 0 2rem 0; }

    .footer-brand .brand-logo-img { height: 42px; }

    .footer-bottom {
        font-size: 0.78rem;
    }
}