:root {
    --navy: #102b4e;
    --navy-dark: #081b32;
    --red: #d92332;
    --red-dark: #b71825;
    --ink: #152033;
    --muted: #667085;
    --line: #e5e9ef;
    --surface: #f6f8fb;
    --white: #ffffff;
    --radius: 20px;
    --shadow: 0 20px 60px rgba(16, 43, 78, .10);
}

* {
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    margin: 0;
    background: var(--white);
    color: var(--ink);
    font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
}

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

a {
    color: inherit;
}

.container {
    width: min(1180px, calc(100% - 40px));
    margin-inline: auto;
}

.site-header {
    position: sticky;
    top: 0;
    z-index: 20;
    border-bottom: 1px solid rgba(16, 43, 78, .08);
    background: rgba(255, 255, 255, .94);
    backdrop-filter: blur(14px);
}

.header-inner {
    min-height: 82px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 32px;
}

.brand {
    display: block;
    width: min(330px, 46vw);
}

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

.header-phone {
    color: var(--navy);
    font-weight: 800;
    text-decoration: none;
}

.button {
    display: inline-flex;
    min-height: 52px;
    align-items: center;
    justify-content: center;
    padding: 0 24px;
    border: 1px solid transparent;
    border-radius: 12px;
    font-weight: 800;
    text-align: center;
    text-decoration: none;
    transition: transform .18s ease, background .18s ease, border-color .18s ease;
}

.button:hover {
    transform: translateY(-2px);
}

.button:focus-visible,
a:focus-visible,
summary:focus-visible {
    outline: 3px solid rgba(217, 35, 50, .35);
    outline-offset: 3px;
}

.button-small {
    min-height: 44px;
    padding-inline: 18px;
}

.button-primary {
    background: var(--red);
    color: var(--white);
}

.button-primary:hover {
    background: var(--red-dark);
}

.button-outline {
    border-color: var(--navy);
    color: var(--navy);
}

.button-outline:hover {
    background: var(--navy);
    color: var(--white);
}

.hero {
    overflow: hidden;
    background:
        radial-gradient(circle at 82% 35%, rgba(217, 35, 50, .10), transparent 28%),
        radial-gradient(circle at 70% 80%, rgba(16, 43, 78, .10), transparent 30%),
        linear-gradient(180deg, #fff 0%, #f8fafc 100%);
}

.hero-grid {
    min-height: 660px;
    display: grid;
    grid-template-columns: minmax(0, 1.2fr) minmax(320px, .8fr);
    align-items: center;
    gap: 72px;
    padding-block: 90px;
}

.eyebrow {
    display: inline-block;
    margin-bottom: 14px;
    color: var(--red);
    font-size: 13px;
    font-weight: 900;
    letter-spacing: .12em;
    text-transform: uppercase;
}

.hero h1,
.section-heading h2,
.two-column h2,
.brand-group-grid h2,
.contact-copy h2 {
    margin: 0;
    color: var(--navy-dark);
    line-height: 1.08;
    letter-spacing: -.035em;
}

.hero h1 {
    max-width: 820px;
    font-size: clamp(42px, 6vw, 72px);
}

.hero-lead {
    max-width: 760px;
    margin: 26px 0 0;
    color: var(--muted);
    font-size: clamp(18px, 2vw, 21px);
}

.hero-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    margin-top: 34px;
}

.hero-trust {
    display: flex;
    flex-wrap: wrap;
    gap: 10px 24px;
    margin-top: 30px;
    color: var(--navy);
    font-size: 14px;
    font-weight: 800;
}

.hero-trust span::before {
    content: "✓";
    margin-right: 7px;
    color: var(--red);
}

.hero-brand {
    display: flex;
    justify-content: center;
}

.hero-logo-card {
    width: min(430px, 100%);
    padding: 38px;
    border: 1px solid rgba(16, 43, 78, .09);
    border-radius: 34px;
    background: rgba(255, 255, 255, .80);
    box-shadow: var(--shadow);
}

.section {
    padding-block: 96px;
}

.section-light {
    background: var(--surface);
}

.section-dark {
    background: var(--navy-dark);
    color: var(--white);
}

.section-heading {
    max-width: 740px;
    margin-bottom: 44px;
}

.section-heading h2,
.two-column h2,
.brand-group-grid h2,
.contact-copy h2 {
    font-size: clamp(32px, 4vw, 48px);
}

.section-heading p,
.section-copy,
.brand-group-grid p,
.contact-copy p {
    margin: 18px 0 0;
    color: var(--muted);
    font-size: 18px;
}

.section-heading-light h2 {
    color: var(--white);
}

.section-heading-light p,
.section-dark p {
    color: rgba(255, 255, 255, .72);
}

.eyebrow-light {
    color: #ff6a73;
}

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

.service-card {
    min-height: 250px;
    padding: 30px;
    border: 1px solid var(--line);
    border-radius: var(--radius);
    background: var(--white);
}

.card-number {
    color: var(--red);
    font-size: 13px;
    font-weight: 900;
}

.service-card h3 {
    margin: 38px 0 10px;
    color: var(--navy);
    font-size: 22px;
}

.service-card p {
    margin: 0;
    color: var(--muted);
}

.benefit-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 18px;
}

.benefit {
    padding: 28px;
    border-left: 4px solid var(--red);
    background: var(--surface);
}

.benefit strong {
    display: block;
    color: var(--navy);
    font-size: 28px;
}

.benefit span {
    display: block;
    margin-top: 6px;
    color: var(--muted);
}

.process {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1px;
    margin: 0;
    padding: 1px;
    list-style: none;
    background: rgba(255, 255, 255, .12);
}

.process li {
    min-height: 220px;
    padding: 30px;
    background: var(--navy-dark);
}

.process li > span {
    color: #ff6a73;
    font-weight: 900;
}

.process strong {
    display: block;
    margin-top: 34px;
    font-size: 20px;
}

.process p {
    margin: 8px 0 0;
    color: rgba(255, 255, 255, .62);
}

.usage-grid,
.region-list {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 12px;
}

.usage-grid span,
.region-list span {
    padding: 18px;
    border: 1px solid var(--line);
    border-radius: 12px;
    background: var(--white);
    color: var(--navy);
    font-weight: 800;
}

.two-column {
    display: grid;
    grid-template-columns: .9fr 1.1fr;
    align-items: start;
    gap: 72px;
}

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

.section-brand-group {
    background: #eef3f8;
}

.brand-group-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 70px;
    align-items: center;
}

.group-links {
    display: grid;
    gap: 14px;
}

.group-links a {
    display: block;
    padding: 24px;
    border: 1px solid rgba(16, 43, 78, .12);
    border-radius: 16px;
    background: var(--white);
    text-decoration: none;
    transition: transform .18s ease, border-color .18s ease;
}

.group-links a:hover {
    transform: translateY(-2px);
    border-color: var(--red);
}

.group-links strong {
    display: block;
    color: var(--navy);
    font-size: 18px;
}

.group-links span {
    display: block;
    margin-top: 4px;
    color: var(--muted);
}

.faq-container {
    max-width: 900px;
}

.faq-list {
    border-top: 1px solid var(--line);
}

.faq-list details {
    border-bottom: 1px solid var(--line);
}

.faq-list summary {
    cursor: pointer;
    padding: 22px 2px;
    color: var(--navy);
    font-size: 18px;
    font-weight: 800;
}

.faq-list details p {
    margin: -4px 0 24px;
    color: var(--muted);
}

.contact-section {
    padding-block: 92px;
    background: var(--red);
    color: var(--white);
}

.contact-grid {
    display: grid;
    grid-template-columns: 1.25fr .75fr;
    gap: 70px;
    align-items: center;
}

.contact-copy h2 {
    color: var(--white);
}

.contact-copy p {
    color: rgba(255, 255, 255, .80);
}

.contact-buttons {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    margin-top: 30px;
}

.button-white {
    background: var(--white);
    color: var(--red);
}

.button-ghost {
    border-color: rgba(255, 255, 255, .58);
    color: var(--white);
}

.contact-card {
    display: grid;
    gap: 18px;
    padding: 30px;
    border-radius: var(--radius);
    background: var(--white);
    color: var(--ink);
    font-style: normal;
}

.contact-card strong {
    color: var(--navy);
    font-size: 22px;
}

.contact-card span {
    color: var(--muted);
}

.contact-card a {
    color: var(--red);
    font-weight: 900;
}

.site-footer {
    padding-block: 50px 26px;
    background: #061425;
    color: rgba(255, 255, 255, .72);
}

.footer-inner {
    display: flex;
    justify-content: space-between;
    gap: 50px;
}

.footer-inner img {
    width: 260px;
    filter: brightness(0) invert(1);
}

.footer-inner p {
    margin: 18px 0 0;
}

.footer-links {
    display: grid;
    justify-items: end;
    gap: 8px;
}

.footer-links a {
    text-decoration: none;
}

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

.footer-bottom {
    display: flex;
    justify-content: space-between;
    gap: 20px;
    margin-top: 40px;
    padding-top: 22px;
    border-top: 1px solid rgba(255, 255, 255, .10);
    font-size: 13px;
}

@media (max-width: 900px) {
    .hero-grid,
    .two-column,
    .brand-group-grid,
    .contact-grid {
        grid-template-columns: 1fr;
    }

    .hero-grid {
        min-height: auto;
        gap: 44px;
        padding-block: 70px;
    }

    .hero-brand {
        order: -1;
    }

    .hero-logo-card {
        width: min(260px, 70vw);
        padding: 22px;
    }

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

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

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

    .two-column,
    .brand-group-grid,
    .contact-grid {
        gap: 40px;
    }
}

@media (max-width: 640px) {
    .container {
        width: min(100% - 28px, 1180px);
    }

    .site-header {
        position: sticky;
        top: 0;
    }

    .header-inner {
        min-height: 72px;
    }

    .brand {
        width: min(220px, 58vw);
    }

    .header-phone {
        display: none;
    }

    .button-small {
        min-height: 40px;
        padding-inline: 14px;
        font-size: 14px;
    }

    .hero-grid {
        padding-block: 48px 58px;
    }

    .hero h1 {
        font-size: clamp(38px, 12vw, 52px);
    }

    .hero-actions,
    .contact-buttons {
        display: grid;
    }

    .hero-actions .button,
    .contact-buttons .button {
        width: 100%;
    }

    .hero-trust {
        display: grid;
    }

    .section {
        padding-block: 68px;
    }

    .card-grid,
    .benefit-grid,
    .usage-grid,
    .region-list,
    .process {
        grid-template-columns: 1fr;
    }

    .service-card {
        min-height: auto;
    }

    .process li {
        min-height: auto;
    }

    .footer-inner,
    .footer-bottom {
        display: grid;
    }

    .footer-links {
        justify-items: start;
    }
}

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


/* MOBILE BOTTOM BAR */
.mobile-bottom-bar {
    display: none;
}

@media (max-width: 640px) {
    body {
        padding-bottom: calc(64px + env(safe-area-inset-bottom));
    }

    .mobile-bottom-bar {
        position: fixed;
        z-index: 100;
        right: 0;
        bottom: 0;
        left: 0;

        display: grid;
        grid-template-columns: 1fr 1fr 1.15fr;

        padding-bottom: env(safe-area-inset-bottom);

        border-top: 1px solid rgba(16, 43, 78, .12);
        background: rgba(255, 255, 255, .96);
        box-shadow: 0 -8px 30px rgba(6, 20, 37, .12);
        backdrop-filter: blur(14px);
    }

    .mobile-bottom-bar a {
        min-height: 64px;

        display: flex;
        align-items: center;
        justify-content: center;

        border-right: 1px solid rgba(16, 43, 78, .08);

        color: var(--navy);
        font-size: 14px;
        font-weight: 800;
        text-decoration: none;
    }

    .mobile-bottom-bar a:nth-child(2) {
        background: #25D366;
        color: #ffffff;
    }

    .mobile-bottom-bar a:last-child {
        border-right: 0;
    }

    .mobile-bottom-bar .mobile-bottom-primary {
        background: var(--red);
        color: var(--white);
    }
}


/* DESKTOP FLOATING ACTIONS */
.desktop-floating-actions {
    position: fixed;
    z-index: 90;
    right: 18px;
    top: 50%;
    display: grid;
    gap: 10px;
    transform: translateY(-50%);
}

.floating-action {
    width: 58px;
    min-height: 58px;

    display: flex;
    align-items: center;
    justify-content: center;

    padding: 8px;

    border-radius: 14px;
    box-shadow: 0 12px 32px rgba(6, 20, 37, .18);

    color: #ffffff;
    font-size: 11px;
    font-weight: 900;
    line-height: 1.15;
    text-align: center;
    text-decoration: none;

    transition:
        width .18s ease,
        transform .18s ease,
        box-shadow .18s ease;
}

.floating-action:hover {
    width: 92px;
    transform: translateX(-3px);
    box-shadow: 0 16px 38px rgba(6, 20, 37, .24);
}

.floating-phone {
    background: var(--navy);
}

.floating-whatsapp {
    background: #25D366;
}

.floating-quote {
    background: var(--red);
}

@media (max-width: 900px) {
    .desktop-floating-actions {
        display: none;
    }
}

@media (max-width: 640px) {
    .site-header {
        position: sticky;
        top: 0;
        z-index: 110;
    }

    .mobile-bottom-bar a:nth-child(2) {
        background: #25D366;
        color: #ffffff;
    }
}


/* DESKTOP FLOATING ACTIONS V2 */
.desktop-floating-actions {
    position: fixed;
    z-index: 90;
    left: 18px;
    right: auto;
    top: 50%;
    display: grid;
    gap: 10px;
    transform: translateY(-50%);
}

.desktop-floating-actions .floating-action {
    width: 52px;
    height: 52px;
    min-height: 52px;
    padding: 0;

    display: flex;
    align-items: center;
    justify-content: center;

    border-radius: 50%;

    color: #fff;
    box-shadow: 0 10px 28px rgba(6, 20, 37, .18);

    transition:
        transform .18s ease,
        box-shadow .18s ease;
}

.desktop-floating-actions .floating-action:hover {
    width: 52px;
    transform: translateX(4px) scale(1.05);
    box-shadow: 0 14px 32px rgba(6, 20, 37, .25);
}

.desktop-floating-actions .floating-action svg {
    width: 23px;
    height: 23px;
    fill: currentColor;
    stroke: currentColor;
    stroke-width: 1.6;
    stroke-linecap: round;
    stroke-linejoin: round;
}

.desktop-floating-actions .floating-phone {
    background: var(--navy);
}

.desktop-floating-actions .floating-whatsapp {
    background: #25D366;
}

.desktop-floating-actions .floating-quote {
    background: var(--red);
}

@media (max-width: 900px) {
    .desktop-floating-actions {
        display: none;
    }
}


/* DESKTOP FLOATING ACTIONS V3 */
.desktop-floating-actions {
    position: fixed;
    z-index: 90;
    top: 50%;
    left: 18px;
    right: auto;

    display: grid;
    gap: 6px;

    padding: 7px;

    border: 1px solid rgba(16, 43, 78, .10);
    border-radius: 18px;

    background: rgba(255, 255, 255, .94);
    box-shadow:
        0 14px 38px rgba(6, 20, 37, .10),
        0 2px 8px rgba(6, 20, 37, .05);

    backdrop-filter: blur(14px);
    transform: translateY(-50%);
}

.desktop-floating-actions .floating-action {
    position: relative;

    width: 44px;
    height: 44px;
    min-height: 44px;
    padding: 0;

    display: flex;
    align-items: center;
    justify-content: center;

    border: 0;
    border-radius: 12px;

    background: transparent;
    box-shadow: none;

    transition:
        background .18s ease,
        transform .18s ease;
}

.desktop-floating-actions .floating-action:hover {
    width: 44px;
    transform: translateX(2px);
    background: #f3f6f9;
    box-shadow: none;
}

.desktop-floating-actions .floating-action svg {
    width: 21px;
    height: 21px;

    fill: none;
    stroke: currentColor;
    stroke-width: 1.8;
    stroke-linecap: round;
    stroke-linejoin: round;
}

.desktop-floating-actions .floating-phone {
    color: var(--navy);
}

.desktop-floating-actions .floating-whatsapp {
    color: #128C4A;
}

.desktop-floating-actions .floating-quote {
    color: var(--red);
}

/* Hover etiketi */
.desktop-floating-actions .floating-action::after {
    content: attr(data-label);

    position: absolute;
    top: 50%;
    left: calc(100% + 14px);

    padding: 7px 10px;

    border-radius: 8px;

    background: var(--navy-dark);
    color: #fff;

    font-size: 12px;
    font-weight: 700;
    line-height: 1;
    white-space: nowrap;

    opacity: 0;
    pointer-events: none;

    transform: translate(-5px, -50%);
    transition:
        opacity .16s ease,
        transform .16s ease;
}

.desktop-floating-actions .floating-action:hover::after,
.desktop-floating-actions .floating-action:focus-visible::after {
    opacity: 1;
    transform: translate(0, -50%);
}

@media (max-width: 900px) {
    .desktop-floating-actions {
        display: none;
    }
}

/* DESKTOP FLOATING ACTIONS FINAL */
.desktop-floating-actions {
    left: 18px !important;
    right: auto !important;
    top: 50% !important;

    display: flex !important;
    flex-direction: column !important;
    gap: 2px !important;

    padding: 7px 6px !important;

    border: 1px solid #e5e9ef !important;
    border-radius: 16px !important;

    background: rgba(255,255,255,.97) !important;
    box-shadow: 0 8px 24px rgba(16,43,78,.10) !important;

    transform: translateY(-50%) !important;
}

.desktop-floating-actions .floating-action {
    width: 40px !important;
    height: 40px !important;
    min-height: 40px !important;

    padding: 0 !important;
    margin: 0 !important;

    border: 0 !important;
    border-radius: 10px !important;

    background: transparent !important;
    box-shadow: none !important;

    display: flex !important;
    align-items: center !important;
    justify-content: center !important;
}

.desktop-floating-actions .floating-action:hover {
    width: 40px !important;
    background: #f5f7fa !important;
    box-shadow: none !important;
    transform: none !important;
}

.desktop-floating-actions .floating-action svg {
    width: 19px !important;
    height: 19px !important;

    fill: none !important;
    stroke: currentColor !important;
    stroke-width: 1.7 !important;
    stroke-linecap: round !important;
    stroke-linejoin: round !important;
}

/* Kurumsal renkler */
.desktop-floating-actions .floating-phone {
    color: #0b376d !important;
}

.desktop-floating-actions .floating-whatsapp {
    color: #16a765 !important;
}

.desktop-floating-actions .floating-quote {
    color: #e51f2b !important;
}

/* Tooltip */
.desktop-floating-actions .floating-action::after {
    left: calc(100% + 10px) !important;
    padding: 7px 9px !important;

    border-radius: 7px !important;

    background: #102b4e !important;
    color: #fff !important;

    font-size: 11px !important;
    font-weight: 700 !important;
}

@media (max-width: 900px) {
    .desktop-floating-actions {
        display: none !important;
    }
}