:root {
    --bg: #020606;
    --bg-soft: #071111;
    --card: #0d1111;
    --text: #f3ffff;
    --muted: #93a7a7;
    --cyan: #00d4ff;
    --green: #00f5c8;
    --border: rgba(0, 255, 200, 0.12);
    --white-border: rgba(255, 255, 255, 0.08);
    --container: 1120px;
    --glow: 0 0 42px rgba(0, 245, 200, 0.18);
}

* {
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    margin: 0;
    background: var(--bg);
    color: var(--text);
    font-family: Inter, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
    line-height: 1.6;
    overflow-x: hidden;
}

body.nav-open,
body.modal-open {
    overflow: hidden;
}

body.nav-open main,
body.nav-open .whatsapp-float {
    pointer-events: none;
}

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

button,
input,
select,
textarea {
    font: inherit;
}

button {
    cursor: pointer;
}

.container {
    width: min(var(--container), calc(100% - 40px));
    margin-inline: auto;
}

.section-pad {
    padding: 112px 0;
    position: relative;
}

.site-bg {
    position: fixed;
    inset: 0;
    z-index: -3;
    overflow: hidden;
    background:
        radial-gradient(circle at 20% 10%, rgba(0, 212, 255, 0.17), transparent 28%),
        radial-gradient(circle at 85% 25%, rgba(0, 255, 157, 0.12), transparent 24%),
        linear-gradient(180deg, #020606 0%, #050909 48%, #020606 100%);
}

.site-bg span {
    position: absolute;
    width: 420px;
    height: 420px;
    border-radius: 999px;
    filter: blur(90px);
    opacity: 0.18;
}

.site-bg span:nth-child(1) {
    left: -120px;
    top: 16%;
    background: var(--cyan);
}

.site-bg span:nth-child(2) {
    right: -160px;
    top: 35%;
    background: var(--green);
}

.site-bg span:nth-child(3) {
    left: 35%;
    bottom: -180px;
    background: #00aaff;
}

.site-header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 50;
    background: rgba(2, 6, 6, 0.48);
    border-bottom: 1px solid transparent;
    backdrop-filter: blur(18px);
    transition: border-color 0.25s ease, background 0.25s ease;
}

.site-header.is-scrolled {
    background: rgba(2, 6, 6, 0.86);
    border-color: var(--white-border);
}

.nav-wrap {
    height: 74px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 28px;
}

.logo {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    font-family: "Space Grotesk", Inter, sans-serif;
    font-size: 24px;
    font-weight: 800;
    letter-spacing: -0.04em;
    max-width: 220px;
    line-height: 1.15;
}

.logo span {
    display: block;
}

.main-nav {
    display: flex;
    align-items: center;
    gap: 30px;
    font-size: 13px;
    font-weight: 700;
    color: #d9eeee;
}

.mobile-nav-head,
.mobile-nav-phone {
    display: none;
}

.main-nav a:not(.btn) {
    position: relative;
    color: rgba(243, 255, 255, 0.78);
}

.main-nav a:not(.btn)::after {
    content: "";
    position: absolute;
    left: 0;
    bottom: -8px;
    width: 0;
    height: 2px;
    background: linear-gradient(90deg, var(--green), var(--cyan));
    transition: width 0.2s ease;
}

.main-nav a:hover::after {
    width: 100%;
}

.nav-toggle {
    display: none;
    width: 44px;
    height: 44px;
    padding: 0;
    border: 1px solid var(--border);
    border-radius: 14px;
    background: rgba(255, 255, 255, 0.03);
}

.nav-toggle span {
    display: block;
    width: 18px;
    height: 2px;
    margin: 4px auto;
    background: var(--text);
    transition: transform 0.2s ease, opacity 0.2s ease;
}

.nav-open .nav-toggle span:nth-child(1) {
    transform: translateY(6px) rotate(45deg);
}

.nav-open .nav-toggle span:nth-child(2) {
    opacity: 0;
}

.nav-open .nav-toggle span:nth-child(3) {
    transform: translateY(-6px) rotate(-45deg);
}

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: 48px;
    padding: 0 24px;
    border-radius: 14px;
    border: 1px solid transparent;
    font-weight: 800;
    font-size: 14px;
    transition: transform 0.2s ease, box-shadow 0.2s ease, border-color 0.2s ease;
}

.btn-small {
    min-height: 38px;
    padding-inline: 18px;
    font-size: 12px;
}

.btn-primary {
    color: #001310;
    background: linear-gradient(135deg, var(--green), var(--cyan));
    box-shadow: 0 0 28px rgba(0, 245, 200, 0.22), inset 0 1px 0 rgba(255, 255, 255, 0.34);
}

.btn-secondary {
    color: var(--text);
    background: rgba(255, 255, 255, 0.04);
    border-color: var(--border);
}

.btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 0 34px rgba(0, 212, 255, 0.25);
}

.hero {
    min-height: 680px;
    display: grid;
    align-items: center;
    padding-top: 150px;
    padding-bottom: 80px;
    overflow: hidden;
}

.hero::before {
    content: "";
    position: absolute;
    inset: 0;
    background:
        linear-gradient(rgba(0, 245, 200, 0.035) 1px, transparent 1px),
        linear-gradient(90deg, rgba(0, 212, 255, 0.035) 1px, transparent 1px),
        radial-gradient(circle at 50% 38%, rgba(0, 212, 255, 0.2), transparent 24%),
        radial-gradient(circle at 52% 78%, rgba(0, 255, 157, 0.14), transparent 24%);
    background-size: 58px 58px, 58px 58px, auto, auto;
    z-index: -1;
}

.hero::after {
    content: "";
    position: absolute;
    inset: 0;
    background: linear-gradient(105deg, transparent 0 38%, rgba(0, 245, 200, 0.08) 48%, transparent 58% 100%);
    transform: translateX(-70%);
    animation: scanHero 7s ease-in-out infinite;
    pointer-events: none;
}

.stars {
    position: absolute;
    inset: 0;
    opacity: 0.8;
    background-image:
        radial-gradient(circle, rgba(0, 245, 200, 0.9) 1px, transparent 1px),
        radial-gradient(circle, rgba(255, 255, 255, 0.4) 1px, transparent 1px);
    background-size: 86px 86px, 143px 143px;
    background-position: 0 0, 30px 20px;
    mask-image: linear-gradient(to bottom, #000 25%, transparent 100%);
}

.hero-inner {
    position: relative;
    z-index: 3;
    text-align: center;
    max-width: 920px;
}

/* BYMSA Patch: Hero alanına teknoloji şirketi hissini veren orbit ve veri kartı efektleri eklendi. */
.hero-tech {
    position: absolute;
    inset: 74px 0 0;
    z-index: 1;
    pointer-events: none;
    transform: translate3d(var(--hero-x, 0), var(--hero-y, 0), 0);
    transition: transform 0.25s ease-out;
}

.orbit {
    position: absolute;
    left: 50%;
    top: 50%;
    border: 1px solid rgba(0, 245, 200, 0.12);
    border-radius: 50%;
    transform: translate(-50%, -50%);
    box-shadow: inset 0 0 40px rgba(0, 212, 255, 0.05), 0 0 80px rgba(0, 245, 200, 0.05);
}

.orbit::before,
.orbit::after {
    content: "";
    position: absolute;
    width: 9px;
    height: 9px;
    border-radius: 50%;
    background: var(--green);
    box-shadow: 0 0 22px var(--green);
}

.orbit::before {
    top: 16%;
    left: 12%;
}

.orbit::after {
    right: 14%;
    bottom: 18%;
    background: var(--cyan);
    box-shadow: 0 0 22px var(--cyan);
}

.orbit-one {
    width: min(740px, 88vw);
    height: min(740px, 88vw);
    animation: rotateSlow 24s linear infinite;
}

.orbit-two {
    width: min(520px, 68vw);
    height: min(520px, 68vw);
    border-style: dashed;
    animation: rotateSlow 18s linear infinite reverse;
}

.core-node {
    position: absolute;
    left: 50%;
    top: 50%;
    width: 172px;
    height: 172px;
    border-radius: 50%;
    transform: translate(-50%, -50%);
    background: radial-gradient(circle, rgba(0, 245, 200, 0.2), rgba(0, 212, 255, 0.07) 42%, transparent 68%);
    filter: blur(1px);
}

.tech-card {
    position: absolute;
    min-width: 156px;
    padding: 14px 16px;
    border: 1px solid rgba(0, 245, 200, 0.18);
    border-radius: 18px;
    background: rgba(8, 16, 16, 0.62);
    backdrop-filter: blur(18px);
    box-shadow: var(--glow);
    animation: floatCard 5.5s ease-in-out infinite;
}

.tech-card strong,
.tech-card span {
    display: block;
}

.tech-card strong {
    color: var(--green);
    font-family: "Space Grotesk", Inter, sans-serif;
    font-size: 18px;
    letter-spacing: 0.08em;
}

.tech-card span {
    color: rgba(243, 255, 255, 0.7);
    font-size: 12px;
}

.tech-card-a {
    left: 12%;
    top: 26%;
}

.tech-card-b {
    right: 10%;
    top: 34%;
    animation-delay: -1.7s;
}

.tech-card-c {
    left: 64%;
    bottom: 18%;
    animation-delay: -3s;
}

.eyebrow {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 7px 13px;
    border: 1px solid var(--border);
    border-radius: 999px;
    color: var(--green);
    background: rgba(0, 245, 200, 0.05);
    font-size: 11px;
    font-weight: 900;
    letter-spacing: 0.16em;
}

.hero h1,
.section-head h2,
.split-head h2,
.final-inner h2 {
    margin: 20px 0 16px;
    font-family: "Space Grotesk", Inter, sans-serif;
    font-weight: 800;
    letter-spacing: -0.07em;
    line-height: 0.94;
}

.hero h1 {
    font-size: clamp(56px, 9vw, 122px);
}

h1 span,
h2 span {
    color: transparent;
    background: linear-gradient(90deg, var(--cyan), var(--green));
    -webkit-background-clip: text;
    background-clip: text;
}

.hero p {
    max-width: 640px;
    margin: 0 auto;
    color: var(--muted);
    font-size: 17px;
}

.hero-actions {
    display: flex;
    justify-content: center;
    gap: 14px;
    flex-wrap: wrap;
    margin-top: 34px;
}

.stats-bar {
    position: relative;
    z-index: 2;
    margin-top: -1px;
    padding: 34px 0;
    background:
        radial-gradient(circle at 50% 0%, rgba(0, 245, 200, 0.1), transparent 34%),
        rgba(1, 5, 5, 0.9);
    border-block: 1px solid rgba(255, 255, 255, 0.055);
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 0;
    padding: 0;
}

.stat-item {
    position: relative;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    min-height: 82px;
    padding: 8px 22px;
    text-align: center;
}

.stat-item + .stat-item::before {
    content: "";
    position: absolute;
    left: 0;
    top: 12px;
    bottom: 12px;
    width: 1px;
    background: linear-gradient(180deg, transparent, rgba(0, 245, 200, 0.24), transparent);
}

.stat-item strong {
    position: relative;
    z-index: 1;
    display: block;
    color: transparent;
    background: linear-gradient(90deg, var(--green), var(--cyan));
    -webkit-background-clip: text;
    background-clip: text;
    font-family: "Space Grotesk", Inter, sans-serif;
    font-size: clamp(34px, 4vw, 52px);
    line-height: 1;
    letter-spacing: -0.06em;
    filter: drop-shadow(0 0 16px rgba(0, 245, 200, 0.22));
}

.stat-item span {
    position: relative;
    z-index: 1;
    color: var(--muted);
    margin-top: 10px;
    font-size: 11px;
    font-weight: 800;
    letter-spacing: 0.09em;
    text-transform: uppercase;
    white-space: nowrap;
}

.section-head {
    max-width: 720px;
    margin: 0 auto 54px;
    text-align: center;
}

.section-head h2,
.split-head h2,
.final-inner h2 {
    font-size: clamp(38px, 6vw, 66px);
}

.section-head p,
.split-head p,
.final-inner p {
    margin: 0;
    color: var(--muted);
}

.card-grid,
.testimonial-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 18px;
}

.service-card,
.testimonial-card,
.brand-card,
.process-step {
    position: relative;
    background:
        linear-gradient(135deg, rgba(0, 245, 200, 0.055), transparent 36%),
        linear-gradient(180deg, rgba(255, 255, 255, 0.04), rgba(255, 255, 255, 0.012)),
        var(--card);
    border: 1px solid var(--white-border);
    border-radius: 18px;
    transition: transform 0.25s ease, border-color 0.25s ease, box-shadow 0.25s ease;
}

/* BYMSA Patch: Kartlarda referanstaki premium neon hover derinliği verildi. */
.service-card:hover,
.testimonial-card:hover,
.brand-card:hover,
.process-step:hover {
    transform: translateY(-7px);
    border-color: rgba(0, 245, 200, 0.35);
    box-shadow: 0 18px 60px rgba(0, 212, 255, 0.12);
}

.service-card::before,
.testimonial-card::before {
    content: "";
    position: absolute;
    inset: 0;
    border-radius: inherit;
    background: linear-gradient(120deg, rgba(0, 245, 200, 0.18), transparent 34%, rgba(0, 212, 255, 0.11));
    opacity: 0;
    transition: opacity 0.25s ease;
    pointer-events: none;
}

.service-card:hover::before,
.testimonial-card:hover::before {
    opacity: 1;
}

.service-card {
    padding: 28px;
    min-height: 262px;
}

.icon-box,
.step-icon {
    width: 44px;
    height: 44px;
    display: grid;
    place-items: center;
    border: 1px solid var(--border);
    border-radius: 13px;
    color: var(--cyan);
    background: rgba(0, 212, 255, 0.07);
    box-shadow: inset 0 0 18px rgba(0, 212, 255, 0.08);
}

.icon-box svg {
    width: 22px;
    height: 22px;
    fill: none;
    stroke: currentColor;
    stroke-width: 1.8;
    stroke-linecap: round;
    stroke-linejoin: round;
}

.service-card h3,
.process-step h3 {
    margin: 22px 0 10px;
    font-size: 18px;
    letter-spacing: -0.03em;
}

.service-card p,
.process-step p,
.testimonial-card p,
.site-footer p {
    color: var(--muted);
    font-size: 14px;
}

.process {
    background: rgba(0, 0, 0, 0.22);
}

.process-grid {
    position: relative;
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
}

.process-grid::before {
    content: "";
    position: absolute;
    left: 10%;
    right: 10%;
    top: 45px;
    height: 1px;
    background: linear-gradient(90deg, transparent, rgba(0, 245, 200, 0.38), transparent);
}

.process-step {
    padding: 22px;
    background: transparent;
    border-color: transparent;
}

.step-num {
    display: inline-flex;
    margin-bottom: 16px;
    padding: 4px 9px;
    border-radius: 999px;
    background: var(--green);
    color: #001310;
    font-size: 11px;
    font-weight: 900;
}

.step-icon {
    font-size: 22px;
    font-weight: 900;
}

.brands {
    overflow: hidden;
    background:
        radial-gradient(circle at 50% 10%, rgba(0, 212, 255, 0.08), transparent 30%),
        #050909;
}

.brand-carousel {
    position: relative;
    overflow: hidden;
    padding: 4px 0;
    mask-image: linear-gradient(90deg, transparent, #000 10%, #000 90%, transparent);
}

.brand-track {
    display: flex;
    width: max-content;
    gap: 16px;
    animation: brandMarquee 26s linear infinite;
    will-change: transform;
}

.brand-carousel:hover .brand-track {
    animation-play-state: paused;
}

.brand-card {
    width: 210px;
    min-height: 96px;
    display: grid;
    place-items: center;
    text-align: center;
    padding: 18px;
}

.brand-card span {
    display: block;
    margin-top: 4px;
    color: var(--cyan);
    font-size: 11px;
}

.split-head {
    display: grid;
    grid-template-columns: 1fr 0.85fr;
    align-items: end;
    gap: 36px;
    margin-bottom: 42px;
}

.testimonials {
    background: #030606;
}

.testimonial-card {
    padding: 28px;
}

.quote {
    color: var(--green);
    font-family: Georgia, serif;
    font-size: 52px;
    line-height: 0.7;
}

.stars-text {
    margin: 12px 0;
    color: var(--green);
    letter-spacing: 0.1em;
}

.person {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-top: 20px;
}

.person > span {
    width: 42px;
    height: 42px;
    display: grid;
    place-items: center;
    border-radius: 50%;
    color: #001310;
    background: linear-gradient(135deg, var(--cyan), var(--green));
    font-weight: 900;
}

.person strong,
.person small {
    display: block;
}

.person small {
    color: var(--muted);
}

.final-cta {
    overflow: hidden;
    background:
        linear-gradient(rgba(0, 245, 200, 0.04) 1px, transparent 1px),
        linear-gradient(90deg, rgba(0, 212, 255, 0.035) 1px, transparent 1px),
        radial-gradient(circle at 50% 45%, rgba(0, 245, 200, 0.18), transparent 28%),
        radial-gradient(circle at 35% 50%, rgba(0, 212, 255, 0.17), transparent 30%),
        #071111;
    background-size: 64px 64px, 64px 64px, auto, auto, auto;
}

.final-inner {
    max-width: 840px;
    text-align: center;
}

.final-inner small {
    display: block;
    margin-top: 20px;
    color: rgba(243, 255, 255, 0.55);
}

.site-footer {
    padding: 58px 0 24px;
    background: #020404;
    border-top: 1px solid var(--white-border);
}

.footer-grid {
    display: grid;
    grid-template-columns: 1.4fr repeat(3, 1fr);
    gap: 44px;
}

.site-footer .logo {
    max-width: 330px;
    font-size: 20px;
}

.site-footer h3 {
    margin: 0 0 16px;
    font-size: 13px;
    letter-spacing: 0.08em;
    text-transform: uppercase;
}

.site-footer a:not(.logo) {
    display: block;
    margin: 9px 0;
    color: var(--muted);
    font-size: 14px;
}

.site-footer a:hover {
    color: var(--cyan);
}

.footer-bottom {
    display: flex;
    justify-content: space-between;
    gap: 20px;
    margin-top: 48px;
    padding-top: 22px;
    border-top: 1px solid rgba(255, 255, 255, 0.05);
    color: rgba(147, 167, 167, 0.68);
    font-size: 12px;
}

/* BYMSA Patch: Görüşme formu için koyu neon modal katmanı eklendi. */
.modal {
    position: fixed;
    inset: 0;
    z-index: 100;
    display: grid;
    place-items: center;
    padding: 22px;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.2s ease;
}

.modal.is-open {
    opacity: 1;
    pointer-events: auto;
}

.modal-backdrop {
    position: absolute;
    inset: 0;
    background: rgba(0, 0, 0, 0.72);
    backdrop-filter: blur(12px);
}

.modal-panel {
    position: relative;
    width: min(980px, 100%);
    max-height: min(92vh, 860px);
    overflow-y: auto;
    padding: 0 34px 34px;
    border: 1px solid rgba(0, 245, 200, 0.22);
    border-radius: 24px;
    background:
        radial-gradient(circle at 20% 0%, rgba(0, 212, 255, 0.15), transparent 34%),
        linear-gradient(180deg, rgba(16, 22, 22, 0.98), rgba(5, 9, 9, 0.98));
    box-shadow: 0 26px 90px rgba(0, 0, 0, 0.55), 0 0 48px rgba(0, 245, 200, 0.12);
    transform: translateY(14px) scale(0.98);
    transition: transform 0.2s ease;
}

.modal-header {
    position: sticky;
    top: 0;
    z-index: 3;
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: 22px;
    margin: 0 -34px 26px;
    padding: 34px 34px 24px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.07);
    background:
        radial-gradient(circle at 22% 0%, rgba(0, 212, 255, 0.16), transparent 36%),
        rgba(8, 14, 14, 0.96);
    backdrop-filter: blur(18px);
}

.modal.is-open .modal-panel {
    transform: translateY(0) scale(1);
}

.modal-close {
    position: sticky;
    top: 22px;
    flex: 0 0 auto;
    width: 40px;
    height: 40px;
    border: 1px solid var(--white-border);
    border-radius: 12px;
    color: var(--text);
    background: rgba(255, 255, 255, 0.05);
    font-size: 24px;
    line-height: 1;
    transition: border-color 0.2s ease, background 0.2s ease, transform 0.2s ease;
}

.modal-close:hover {
    transform: rotate(90deg);
    border-color: rgba(0, 245, 200, 0.42);
    background: rgba(0, 245, 200, 0.08);
}

.modal-panel h2 {
    margin: 18px 0 8px;
    font-family: "Space Grotesk", Inter, sans-serif;
    font-size: clamp(30px, 5vw, 48px);
    letter-spacing: -0.05em;
    line-height: 1;
}

.modal-panel p {
    margin: 0 0 24px;
    color: var(--muted);
}

.modal-header p {
    margin-bottom: 0;
}

.consultation-form {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 18px;
}

.form-section {
    grid-column: 1 / -1;
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 16px;
    margin: 0;
    padding: 22px;
    position: relative;
    border: 1px solid rgba(0, 245, 200, 0.12);
    border-radius: 20px;
    background:
        linear-gradient(135deg, rgba(0, 245, 200, 0.055), transparent 34%),
        rgba(255, 255, 255, 0.028);
}

.form-section::before {
    content: "";
    position: absolute;
    left: 0;
    top: 22px;
    bottom: 22px;
    width: 2px;
    border-radius: 999px;
    background: linear-gradient(180deg, var(--green), var(--cyan));
    opacity: 0.7;
}

.form-section legend {
    padding: 0 10px;
    color: var(--green);
    font-family: "Space Grotesk", Inter, sans-serif;
    font-size: 18px;
    font-weight: 800;
    letter-spacing: -0.03em;
}

.consultation-form label {
    display: grid;
    gap: 8px;
}

.consultation-form label > span {
    display: block;
    color: #d9eeee;
    font-size: 13px;
    font-weight: 800;
}

.consultation-form input,
.consultation-form select,
.consultation-form textarea {
    width: 100%;
    border: 1px solid var(--white-border);
    border-radius: 14px;
    color: var(--text);
    background: rgba(255, 255, 255, 0.045);
    outline: none;
    transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

.consultation-form select {
    appearance: none;
    background-image:
        linear-gradient(45deg, transparent 50%, var(--green) 50%),
        linear-gradient(135deg, var(--green) 50%, transparent 50%),
        linear-gradient(135deg, rgba(0, 245, 200, 0.08), rgba(0, 212, 255, 0.04));
    background-position:
        calc(100% - 19px) 50%,
        calc(100% - 13px) 50%,
        0 0;
    background-size: 6px 6px, 6px 6px, 100% 100%;
    background-repeat: no-repeat;
    padding-right: 42px;
}

.consultation-form input,
.consultation-form select {
    min-height: 48px;
    padding: 0 14px;
}

.consultation-form textarea {
    resize: vertical;
    padding: 14px;
}

.consultation-form input:focus,
.consultation-form select:focus,
.consultation-form textarea:focus {
    border-color: rgba(0, 245, 200, 0.55);
    box-shadow: 0 0 0 4px rgba(0, 245, 200, 0.08);
}

.consultation-form select option {
    color: #061010;
}

/* BYMSA Patch: Native select yerine site temasına uygun custom dropdown bileşeni eklendi. */
.custom-select {
    position: relative;
}

.custom-select-trigger {
    width: 100%;
    min-height: 50px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 14px;
    padding: 0 16px;
    border: 1px solid var(--white-border);
    border-radius: 14px;
    color: var(--text);
    background:
        linear-gradient(135deg, rgba(0, 245, 200, 0.065), rgba(0, 212, 255, 0.025)),
        rgba(255, 255, 255, 0.045);
    text-align: left;
    outline: none;
    transition: border-color 0.2s ease, box-shadow 0.2s ease, background 0.2s ease;
}

.custom-select-trigger span {
    overflow: hidden;
    color: rgba(243, 255, 255, 0.9);
    font-size: 14px;
    font-weight: 750;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.custom-select-trigger b {
    width: 10px;
    height: 10px;
    flex: 0 0 auto;
    border-right: 2px solid var(--green);
    border-bottom: 2px solid var(--green);
    transform: rotate(45deg) translateY(-2px);
    transition: transform 0.2s ease;
}

.custom-select.is-open .custom-select-trigger,
.custom-select-trigger:focus-visible {
    border-color: rgba(0, 245, 200, 0.55);
    box-shadow: 0 0 0 4px rgba(0, 245, 200, 0.08), 0 0 28px rgba(0, 212, 255, 0.08);
}

.custom-select.is-open .custom-select-trigger b {
    transform: rotate(225deg) translate(-2px, -2px);
}

.custom-select-panel {
    position: absolute;
    left: 0;
    right: 0;
    top: calc(100% + 8px);
    z-index: 20;
    display: grid;
    gap: 6px;
    max-height: 280px;
    overflow-y: auto;
    padding: 8px;
    border: 1px solid rgba(0, 245, 200, 0.2);
    border-radius: 16px;
    background:
        radial-gradient(circle at 20% 0%, rgba(0, 212, 255, 0.14), transparent 34%),
        rgba(7, 17, 17, 0.98);
    box-shadow: 0 24px 70px rgba(0, 0, 0, 0.45), 0 0 28px rgba(0, 245, 200, 0.1);
    opacity: 0;
    pointer-events: none;
    transform: translateY(-6px);
    transition: opacity 0.16s ease, transform 0.16s ease;
}

.custom-select.is-open .custom-select-panel {
    opacity: 1;
    pointer-events: auto;
    transform: translateY(0);
}

.custom-select-option {
    width: 100%;
    min-height: 42px;
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 9px 11px;
    border: 1px solid transparent;
    border-radius: 12px;
    color: rgba(243, 255, 255, 0.86);
    background: transparent;
    font-size: 13px;
    font-weight: 700;
    line-height: 1.35;
    text-align: left;
    cursor: pointer;
    transition: color 0.16s ease, background 0.16s ease, border-color 0.16s ease;
}

.custom-select-option:hover,
.custom-select-option.is-selected,
.custom-select-option:has(input:checked) {
    border-color: rgba(0, 245, 200, 0.22);
    color: var(--text);
    background: rgba(0, 245, 200, 0.075);
}

.custom-select-option input {
    width: 16px;
    height: 16px;
    accent-color: var(--green);
    flex: 0 0 auto;
}

.custom-select-option span {
    color: inherit;
}

.custom-select.is-multiple .custom-select-trigger {
    min-height: 54px;
}

.custom-select.is-multiple .custom-select-trigger span {
    white-space: nowrap;
}

/* BYMSA Patch: Çoklu seçim paneli form akışında açılarak alanların üst üste binmesi engellendi. */
.custom-select.is-multiple .custom-select-panel {
    position: static;
    display: none;
    max-height: 270px;
    margin-top: 10px;
    transform: none;
}

.custom-select.is-multiple.is-open .custom-select-panel {
    display: grid;
    opacity: 1;
    pointer-events: auto;
    transform: none;
}

.custom-select-hint {
    padding: 8px 10px 10px;
    color: rgba(147, 167, 167, 0.82);
    font-size: 12px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.06);
}

.custom-select.is-multiple .custom-select-option {
    min-height: 48px;
    padding: 11px 12px;
    background: rgba(255, 255, 255, 0.025);
}

.custom-select.is-multiple .custom-select-option input {
    position: absolute;
    opacity: 0;
    pointer-events: none;
}

.custom-select.is-multiple .custom-select-option i {
    width: 20px;
    height: 20px;
    display: grid;
    flex: 0 0 auto;
    place-items: center;
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: 7px;
    background: rgba(255, 255, 255, 0.04);
    transition: border-color 0.16s ease, background 0.16s ease, box-shadow 0.16s ease;
}

.custom-select.is-multiple .custom-select-option i::before {
    content: "";
    width: 9px;
    height: 5px;
    border-left: 2px solid #001310;
    border-bottom: 2px solid #001310;
    opacity: 0;
    transform: rotate(-45deg) translateY(-1px);
}

.custom-select.is-multiple .custom-select-option:has(input:checked) i {
    border-color: transparent;
    background: linear-gradient(135deg, var(--green), var(--cyan));
    box-shadow: 0 0 18px rgba(0, 245, 200, 0.24);
}

.custom-select.is-multiple .custom-select-option:has(input:checked) i::before {
    opacity: 1;
}

.custom-select-panel::-webkit-scrollbar {
    width: 8px;
}

.custom-select-panel::-webkit-scrollbar-thumb {
    border-radius: 999px;
    background: rgba(0, 245, 200, 0.22);
}

.consent-field {
    display: flex !important;
    grid-template-columns: none !important;
    align-items: flex-start;
    gap: 12px !important;
    padding: 16px;
    border: 1px solid rgba(0, 245, 200, 0.18);
    border-radius: 16px;
    background: rgba(0, 245, 200, 0.045);
}

.consent-field input {
    width: 18px;
    height: 18px;
    margin-top: 2px;
    accent-color: var(--green);
    flex: 0 0 auto;
}

.consent-field span {
    color: rgba(243, 255, 255, 0.78);
    font-size: 13px;
    line-height: 1.45;
}

.full-field {
    grid-column: 1 / -1;
}

.form-status {
    min-height: 22px;
    color: var(--muted);
    font-size: 14px;
}

.form-status.is-success {
    color: var(--green);
}

.form-status.is-error {
    color: #ff7d7d;
}

.whatsapp-float {
    position: fixed;
    right: 22px;
    bottom: 22px;
    z-index: 40;
    min-width: 156px;
    height: 48px;
    display: inline-grid;
    place-items: center;
    padding: 0 18px;
    border-radius: 999px;
    color: #001310;
    background: linear-gradient(135deg, var(--green), var(--cyan));
    font-size: 13px;
    font-weight: 900;
    letter-spacing: -0.01em;
    box-shadow: 0 0 28px rgba(0, 245, 200, 0.44);
}

.reveal {
    opacity: 0;
    transform: translateY(22px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

.reveal.is-visible {
    opacity: 1;
    transform: translateY(0);
}

@keyframes rotateSlow {
    from {
        transform: translate(-50%, -50%) rotate(0deg);
    }

    to {
        transform: translate(-50%, -50%) rotate(360deg);
    }
}

@keyframes floatCard {
    0%,
    100% {
        transform: translateY(0);
    }

    50% {
        transform: translateY(-14px);
    }
}

@keyframes scanHero {
    0%,
    42% {
        transform: translateX(-70%);
        opacity: 0;
    }

    52% {
        opacity: 1;
    }

    100% {
        transform: translateX(70%);
        opacity: 0;
    }
}

@keyframes brandMarquee {
    from {
        transform: translateX(0);
    }

    to {
        transform: translateX(calc(-50% - 8px));
    }
}

@media (max-width: 980px) {
    .card-grid,
    .testimonial-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .process-grid,
    .stats-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .stat-item span {
        white-space: normal;
    }

    .stat-item:nth-child(odd)::before {
        display: none;
    }

    .footer-grid,
    .split-head {
        grid-template-columns: 1fr 1fr;
    }

    .process-grid::before {
        display: none;
    }
}

@media (max-width: 760px) {
    .container {
        width: min(100% - 28px, var(--container));
    }

    .section-pad {
        padding: 76px 0;
    }

    .nav-toggle {
        display: block;
        position: relative;
        z-index: 140;
        box-shadow: 0 0 22px rgba(0, 245, 200, 0.08);
    }

    /* BYMSA Patch: Mobil menü header içinde sıkışmadan tam viewport overlay olarak açılır. */
    body.nav-open .site-header {
        height: 100dvh;
        background: #020606;
        border-color: rgba(0, 245, 200, 0.16);
        z-index: 120;
        backdrop-filter: none;
    }

    body.nav-open .nav-wrap {
        height: 74px;
    }

    .main-nav {
        position: fixed;
        top: 0;
        left: 0;
        right: auto;
        bottom: auto;
        width: 100vw;
        height: 100dvh;
        min-height: 100dvh;
        z-index: 130;
        display: grid;
        grid-auto-rows: max-content;
        align-content: start;
        align-items: stretch;
        justify-content: stretch;
        flex-direction: column;
        gap: 14px;
        overflow-y: auto;
        padding: 92px 20px 32px;
        background:
            linear-gradient(180deg, rgba(2, 6, 6, 1), rgba(1, 5, 5, 0.998)),
            radial-gradient(circle at 20% 15%, rgba(0, 212, 255, 0.12), transparent 30%),
            radial-gradient(circle at 86% 80%, rgba(0, 245, 200, 0.1), transparent 32%),
            linear-gradient(rgba(0, 245, 200, 0.035) 1px, transparent 1px),
            linear-gradient(90deg, rgba(0, 212, 255, 0.028) 1px, transparent 1px),
            #020606;
        background-size: auto, auto, 48px 48px, 48px 48px, auto;
        backdrop-filter: blur(24px);
        transform: translateX(100%);
        transition: transform 0.25s ease;
        overscroll-behavior: contain;
    }

    .mobile-nav-head {
        display: grid;
        gap: 6px;
        margin-bottom: 14px;
        padding: 22px;
        border: 1px solid rgba(0, 245, 200, 0.16);
        border-radius: 22px;
        background: rgba(3, 12, 12, 0.92);
        box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.06), 0 18px 60px rgba(0, 0, 0, 0.18);
    }

    .mobile-nav-head strong {
        color: var(--text);
        font-family: "Space Grotesk", Inter, sans-serif;
        font-size: 30px;
        line-height: 1;
        letter-spacing: -0.06em;
    }

    .mobile-nav-head span {
        color: var(--muted);
        font-size: 14px;
    }

    .main-nav .nav-link {
        display: flex;
        align-items: center;
        justify-content: space-between;
        min-height: 58px;
        padding: 0 18px;
        border: 1px solid rgba(0, 245, 200, 0.14);
        border-radius: 18px;
        color: rgba(243, 255, 255, 0.94);
        background: rgba(3, 12, 12, 0.92);
        font-size: 18px;
        font-weight: 800;
        letter-spacing: -0.02em;
        box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.04);
    }

    .main-nav .nav-link::before {
        content: "";
        width: 9px;
        height: 9px;
        border-radius: 50%;
        background: linear-gradient(135deg, var(--green), var(--cyan));
        box-shadow: 0 0 18px rgba(0, 245, 200, 0.35);
    }

    .main-nav .nav-link::after {
        content: "→";
        position: static;
        width: auto;
        height: auto;
        color: var(--cyan);
        background: none;
        font-size: 18px;
        transition: transform 0.2s ease;
    }

    .main-nav .nav-link:hover::after {
        width: auto;
        transform: translateX(4px);
    }

    .main-nav .btn {
        width: 100%;
        min-height: 56px;
        margin-top: 8px;
        font-size: 15px;
    }

    .mobile-nav-phone {
        display: block;
        margin-top: 2px;
        color: rgba(243, 255, 255, 0.62) !important;
        font-size: 13px;
        font-weight: 800;
        text-align: center;
    }

    .whatsapp-float {
        right: 14px;
        bottom: 14px;
        min-width: 138px;
        height: 44px;
        padding: 0 14px;
        font-size: 12px;
    }

    .mobile-nav-phone::after {
        display: none;
    }

    .nav-open .main-nav {
        transform: translateX(0);
    }

    .hero {
        min-height: 620px;
        padding-top: 126px;
    }

    .logo {
        max-width: 150px;
        font-size: 22px;
    }

    .site-footer .logo {
        max-width: 260px;
        font-size: 18px;
    }

    .hero h1 {
        font-size: clamp(44px, 15vw, 76px);
    }

    .hero p {
        font-size: 15px;
    }

    .stats-grid {
        grid-template-columns: repeat(2, 1fr);
        row-gap: 26px;
    }

    .stat-item {
        min-height: 76px;
        padding: 6px 12px;
    }

    .stat-item strong {
        font-size: clamp(30px, 9vw, 42px);
    }

    .stat-item span {
        font-size: 9.5px;
        letter-spacing: 0.045em;
    }

    .hero-tech {
        opacity: 0.62;
    }

    .tech-card {
        display: none;
    }

    .brand-carousel {
        overflow-x: auto;
        mask-image: none;
        scrollbar-width: none;
    }

    .brand-carousel::-webkit-scrollbar {
        display: none;
    }

    .brand-track {
        animation: none;
        padding-inline: 4px;
    }

    .card-grid,
    .testimonial-grid,
    .process-grid,
    .footer-grid,
    .split-head {
        grid-template-columns: 1fr;
    }

    .footer-bottom {
        flex-direction: column;
        align-items: stretch;
        text-align: center;
    }

    .modal-panel {
        padding: 0 18px 28px;
    }

    .modal-header {
        margin: 0 -18px 22px;
        padding: 28px 18px 20px;
        gap: 14px;
    }

    .modal-close {
        width: 38px;
        height: 38px;
    }

    .consultation-form,
    .form-section {
        grid-template-columns: 1fr;
    }

    .form-section {
        padding: 18px 14px;
        border-radius: 18px;
    }

    .btn {
        width: 100%;
    }

    .hero-actions {
        width: 100%;
    }
}

@media (max-width: 430px) {
    .stats-grid {
        grid-template-columns: 1fr;
        row-gap: 24px;
    }

    .stat-item {
        min-height: 70px;
    }

    .stat-item::before {
        display: none;
    }
}

@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        scroll-behavior: auto !important;
        transition: none !important;
        animation: none !important;
    }

    .brand-track {
        animation: none !important;
    }
}