/* ==========================================================================
   Global Sağlık — site stylesheet
   Structure: tokens → base → layout → components → pages → utilities
   ========================================================================== */

/* ---------- Tokens ---------- */
:root {
    --color-primary: #ff8700;
    --color-primary-dark: #e07600;
    --color-navy: #15133c;
    --color-navy-soft: #262357;
    --color-text: #222;
    --color-muted: #5f6070;
    --color-bg: #fff;
    --color-tint: #fbf7f0;
    --color-border: #e8e4dc;
    --color-success: #1f7a4a;
    --color-error: #b3261e;

    --font-base: "Raleway", system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;

    --radius: 10px;
    --shadow: 0 10px 30px rgba(21, 19, 60, .08);
    --container: 1200px;
    --header-h: 84px;
    --ease: cubic-bezier(.2, .7, .2, 1);
}

/* ---------- Base ---------- */
*,
*::before,
*::after { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
    margin: 0;
    font-family: var(--font-base);
    font-size: 16px;
    line-height: 1.7;
    color: var(--color-text);
    background: var(--color-bg);
    -webkit-font-smoothing: antialiased;
}

img, video, iframe { max-width: 100%; display: block; }

a { color: var(--color-primary); text-decoration: none; transition: color .2s; }
a:hover { color: var(--color-primary-dark); }

h1, h2, h3 { line-height: 1.25; color: var(--color-navy); margin: 0 0 .75em; }
p { margin: 0 0 1em; }

:focus-visible { outline: 3px solid var(--color-primary); outline-offset: 2px; }

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

/* ---------- Layout ---------- */
.container {
    width: 100%;
    max-width: var(--container);
    margin: 0 auto;
    padding: 0 20px;
}

.section { padding: 80px 0; }
.section--tinted { background: var(--color-tint); }

.split {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 56px;
    align-items: center;
}
.split--top { align-items: start; }
.split--reverse .split__media { order: 2; }

.with-sidebar {
    display: grid;
    grid-template-columns: 1fr 280px;
    gap: 48px;
    align-items: start;
}

/* ---------- Header ---------- */
.site-header {
    position: sticky;
    top: 0;
    z-index: 50;
    background: var(--color-navy);
    border-bottom: 1px solid transparent;
    transition: box-shadow .3s, border-color .3s;
}
.site-header.is-scrolled { box-shadow: 0 10px 30px rgba(0, 0, 0, .25); }

.site-header__inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    min-height: var(--header-h);
}

.brand img { height: 44px; width: auto; }
.brand { flex: none; }

.site-nav ul { display: flex; gap: 8px; list-style: none; margin: 0; padding: 0; }
.site-nav a {
    display: block;
    padding: 10px 16px;
    font-weight: 600;
    color: #fff;
    border-radius: 6px;
    position: relative;
}
.site-nav a::after {
    content: "";
    position: absolute;
    left: 16px; right: 16px; bottom: 4px;
    height: 2px;
    background: var(--color-primary);
    transform: scaleX(0);
    transition: transform .25s var(--ease);
}
.site-nav a:hover,
.site-nav a.is-active { color: var(--color-primary); }
.site-nav a:hover::after,
.site-nav a.is-active::after { transform: scaleX(1); }

.nav-toggle {
    display: none;
    width: 44px; height: 44px;
    border: 0;
    background: transparent;
    cursor: pointer;
    position: relative;
}
.nav-toggle__bar,
.nav-toggle__bar::before,
.nav-toggle__bar::after {
    position: absolute;
    left: 10px;
    width: 24px; height: 2px;
    background: #fff;
    transition: transform .25s, background .25s;
}
.nav-toggle__bar { top: 21px; }
.nav-toggle__bar::before, .nav-toggle__bar::after { content: ""; left: 0; }
.nav-toggle__bar::before { top: -7px; }
.nav-toggle__bar::after { top: 7px; }
.nav-toggle[aria-expanded="true"] .nav-toggle__bar { background: transparent; }
.nav-toggle[aria-expanded="true"] .nav-toggle__bar::before { transform: translateY(7px) rotate(45deg); }
.nav-toggle[aria-expanded="true"] .nav-toggle__bar::after { transform: translateY(-7px) rotate(-45deg); }

/* ---------- Buttons ---------- */
.btn {
    display: inline-block;
    padding: 12px 28px;
    font: 600 15px/1.4 var(--font-base);
    border: 2px solid transparent;
    border-radius: 4px;
    cursor: pointer;
    transition: background .2s, color .2s, transform .2s;
}
.btn--primary { background: var(--color-primary); color: #fff; }
.btn--primary:hover { background: var(--color-primary-dark); color: #fff; transform: translateY(-1px); }

/* ---------- Hero slider ---------- */
.hero {
    position: relative;
    /* Slide images are 1920x960 with a 115px navy strip on top (the live site's header
       sits on it). Our header is already navy, so crop the strip: 1920 / (960 - 115). */
    aspect-ratio: 1920 / 845;
    background: var(--color-navy);
    overflow: hidden;
}
.hero__slide {
    position: absolute;
    inset: 0;
    display: flex;
    align-items: center;
    /* --slide-image is set inline per slide; the gradient keeps text readable. */
    background-color: var(--color-navy);
    background-image:
        linear-gradient(90deg, rgba(21, 19, 60, .55) 0%, rgba(21, 19, 60, .15) 60%, transparent 100%),
        var(--slide-image, none);
    background-position: center bottom;
    background-size: cover;
    background-repeat: no-repeat;
    opacity: 0;
    visibility: hidden;
    transition: opacity .8s var(--ease), visibility .8s;
}
.hero__slide.is-active { opacity: 1; visibility: visible; }

.hero__content { color: #fff; padding-inline: 84px; } /* room for the arrows */
.hero__title {
    color: #fff;
    font-size: clamp(2rem, 5vw, 3.5rem);
    font-weight: 800;
    margin-bottom: .4em;
}
.hero__title { font-weight: 600; text-shadow: 0 2px 12px rgba(0, 0, 0, .25); }
.hero__text { text-shadow: 0 1px 8px rgba(0, 0, 0, .3); }
.hero__text { font-size: clamp(1rem, 2vw, 1.25rem); max-width: 640px; margin-bottom: 1.8em; opacity: .92; }

.hero__slide.is-active .hero__title,
.hero__slide.is-active .hero__text,
.hero__slide.is-active .btn { animation: rise .8s var(--ease) both; }
.hero__slide.is-active .hero__text { animation-delay: .12s; }
.hero__slide.is-active .btn { animation-delay: .24s; }

@keyframes rise { from { opacity: 0; transform: translateY(24px); } to { opacity: 1; transform: none; } }

.hero__arrow {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    width: 48px; height: 48px;
    display: grid; place-items: center;
    border: 1px solid rgba(255, 255, 255, .4);
    border-radius: 50%;
    background: rgba(255, 255, 255, .08);
    color: #fff;
    cursor: pointer;
    transition: background .2s;
}
.hero__arrow:hover { background: var(--color-primary); border-color: var(--color-primary); }
.hero__arrow--prev { left: 20px; }
.hero__arrow--next { right: 20px; }

.hero__dots {
    position: absolute;
    left: 50%; bottom: 28px;
    transform: translateX(-50%);
    display: flex; gap: 10px;
}
.hero__dots button {
    width: 12px; height: 12px;
    padding: 0;
    border: 2px solid #fff;
    border-radius: 50%;
    background: transparent;
    cursor: pointer;
}
.hero__dots button.is-active { background: var(--color-primary); border-color: var(--color-primary); }

/* ---------- Highlight band ---------- */
.highlight { background: var(--color-primary); color: #fff; padding: 48px 0; text-align: center; }
.highlight__title { color: #fff; font-size: clamp(1.4rem, 3vw, 2rem); text-transform: uppercase; letter-spacing: .04em; margin-bottom: .4em; }
.highlight p { max-width: 720px; margin: 0 auto; font-size: 1.1rem; }

/* ---------- Feature grid (home, under the slider) ---------- */
.feature-grid { background: var(--color-tint); }
.feature-grid__inner {
    display: grid;
    grid-template-columns: 1fr 1fr;
    column-gap: 60px;
    max-width: var(--container);
    margin: 0 auto;
}
.feature-grid__media { display: grid; gap: 10px; align-content: start; }
.feature-grid__media--squares { grid-template-columns: 1fr 1fr; }
.feature-grid__figure { margin: 0; overflow: hidden; }
.feature-grid__figure .media { border-radius: 0; box-shadow: none; transition: transform .6s var(--ease), filter .6s var(--ease); }
.feature-grid__media--squares .media { aspect-ratio: 1; }
.feature-grid__media--wide .media { aspect-ratio: 2 / 1; }
.feature-grid__media--squares .feature-grid__figure:hover .media { transform: scale(1.06); }
.feature-grid__media--wide .feature-grid__figure:hover .media { filter: sepia(.6); }
.feature-grid__panel {
    display: flex;
    flex-direction: column;
    justify-content: center;
    padding: 40px 48px 40px 20px;
    color: var(--color-navy);
    letter-spacing: 1px;
}
.feature-grid__panel:nth-of-type(2) { padding: 40px 20px 40px 48px; } /* "Çözüm" panel, right column */
.feature-grid__title { font-size: clamp(1.8rem, 3.4vw, 2.5rem); font-weight: 400; line-height: 1.4; letter-spacing: 1px; margin-bottom: .5em; }
.feature-grid__panel p { font-size: 1.25rem; line-height: 1.45; margin: 0; }

/* ---------- Typography blocks ---------- */
.eyebrow { color: var(--color-primary); font-weight: 700; text-transform: uppercase; letter-spacing: .12em; font-size: .85rem; margin-bottom: .5em; }
.section-title { font-size: clamp(1.4rem, 2.6vw, 2rem); font-weight: 700; }
.section-title--upper { text-transform: uppercase; letter-spacing: .02em; }

.intro-title { display: grid; font-size: clamp(1.5rem, 3vw, 1.6rem); font-weight: 600; line-height: 1.4; text-transform: uppercase; letter-spacing: 1px; margin-bottom: 1em; }
.intro-title em { font-style: normal; color: var(--color-primary); }

.prose p { font-size: 1.05rem; color: #3a3a48; }
.prose__image { margin-bottom: 24px; border-radius: var(--radius); }

.callout {
    margin-top: 32px;
    padding: 20px 24px;
    background: var(--color-tint);
    border-left: 4px solid var(--color-primary);
    border-radius: 0 var(--radius) var(--radius) 0;
    font-size: 1.1rem;
}
.callout strong { color: var(--color-primary); }
.callout--center { text-align: center; border-left: 0; border-radius: var(--radius); }

/* ---------- Media / placeholder ---------- */
.media { width: 100%; border-radius: var(--radius); object-fit: cover; aspect-ratio: 4 / 3; box-shadow: var(--shadow); }
.media--natural { aspect-ratio: auto; width: auto; margin-inline: auto; } /* original ratio, never upscaled */
.media--placeholder {
    display: grid;
    place-content: center;
    justify-items: center;
    gap: 12px;
    padding: 24px;
    text-align: center;
    font-weight: 600;
    color: rgba(255, 255, 255, .92);
    background:
        radial-gradient(circle at 20% 20%, rgba(255, 135, 0, .45), transparent 55%),
        linear-gradient(135deg, var(--color-navy) 0%, var(--color-navy-soft) 100%);
}
.media--placeholder .icon { width: 40px; height: 40px; color: var(--color-primary); }

/* ---------- Stats ---------- */
.stats { list-style: none; padding: 0; margin: 28px 0 0; display: grid; gap: 10px; }
.stats__item { display: flex; align-items: center; gap: 12px; color: var(--color-navy); letter-spacing: 1px; }
.stats__item strong { color: var(--color-navy); font-weight: 600; }
.stats__icon {
    flex: none;
    width: 20px; height: 20px;
    display: grid; place-items: center;
    border-radius: 50%;
    background: var(--color-primary);
    color: #fff;
}
.stats__icon .icon { width: 12px; height: 12px; }

/* ---------- Video ---------- */
.video-section { margin-top: 48px; }
.video-section__player { width: 100%; height: auto; aspect-ratio: 16 / 9; object-fit: cover; background: #000; }

/* ---------- Inner page banner ---------- */
/* Banner images carry the same 115px navy strip as the slider; crop it off the top. */
.page-banner {
    aspect-ratio: 1920 / 461;
    background: var(--color-navy) var(--banner-image) center bottom / cover no-repeat;
}

/* ---------- Inner page hero ---------- */
.page-hero {
    padding: 56px 0 44px;
    color: #fff;
    background:
        radial-gradient(circle at 85% 20%, rgba(255, 135, 0, .35), transparent 45%),
        linear-gradient(120deg, var(--color-navy), var(--color-navy-soft));
}
.page-hero__title { color: #fff; font-size: clamp(1.8rem, 4vw, 2.6rem); margin-bottom: .3em; }
.breadcrumb { display: flex; flex-wrap: wrap; list-style: none; padding: 0; margin: 0; font-size: .95rem; }
.breadcrumb li + li::before { content: "/"; margin: 0 10px; opacity: .6; }
.breadcrumb a { color: rgba(255, 255, 255, .85); }
.breadcrumb a[aria-current] { color: var(--color-primary); }

/* ---------- Side menu ---------- */
.side-menu { border: 1px solid var(--color-border); border-radius: var(--radius); overflow: hidden; position: sticky; top: calc(var(--header-h) + 20px); }
.side-menu__title { margin: 0; padding: 16px 20px; font-size: 1.05rem; color: #fff; background: var(--color-navy); }
.side-menu ul { list-style: none; margin: 0; padding: 0; }
.side-menu a { display: block; padding: 14px 20px; color: var(--color-text); border-top: 1px solid var(--color-border); font-weight: 500; }
.side-menu a:hover, .side-menu a.is-active { color: var(--color-primary); background: var(--color-tint); }

/* ---------- Check list (services) ---------- */
.check-list { list-style: none; padding: 0; margin: 0; display: grid; gap: 14px; }
.check-list li { display: flex; gap: 14px; align-items: flex-start; }
.check-list__icon {
    flex: none;
    width: 28px; height: 28px;
    display: grid; place-items: center;
    border-radius: 50%;
    background: var(--color-primary);
    color: #fff;
    margin-top: 1px;
}
.check-list__icon .icon { width: 16px; height: 16px; }

/* ---------- Gallery ---------- */
.gallery { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.gallery__item { margin: 0; }

/* ---------- Tile list (projects) ---------- */
.tile-list { list-style: none; padding: 0; margin: 24px 0 0; display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
.tile-list__item {
    display: flex; align-items: center; gap: 14px;
    padding: 18px 20px;
    background: #fff;
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    font-weight: 600;
    color: var(--color-navy);
    transition: border-color .2s, transform .2s, box-shadow .2s;
}
.tile-list__item:hover { border-color: var(--color-primary); transform: translateY(-2px); box-shadow: var(--shadow); }
.tile-list__item .icon { color: var(--color-primary); flex: none; }

/* ---------- Marquee (projects) ---------- */
.marquee { overflow: hidden; }
.marquee__track {
    display: flex;
    gap: 24px;
    width: max-content;
    list-style: none;
    margin: 0; padding: 0;
    animation: marquee 40s linear infinite;
}
.marquee:hover .marquee__track { animation-play-state: paused; }
.marquee__item { flex: none; width: 440px; }
.marquee__item .media { aspect-ratio: 550 / 330; border-radius: 0; box-shadow: none; }
/* The list is rendered twice, so shifting by half (plus half a gap) loops seamlessly. */
@keyframes marquee { to { transform: translateX(calc(-50% - 12px)); } }

/* ---------- References ---------- */
.reference-groups { display: grid; grid-template-columns: repeat(2, 1fr); gap: 24px; }
.reference-group { padding: 24px; border: 1px solid var(--color-border); border-radius: var(--radius); background: #fff; }
.reference-group__title { font-size: 1.05rem; text-transform: uppercase; color: var(--color-primary); letter-spacing: .03em; padding-bottom: 12px; border-bottom: 2px solid var(--color-tint); }
.reference-group__list { list-style: none; margin: 0; padding: 0; }
.reference-group__list li { padding: 8px 0 8px 22px; position: relative; font-weight: 500; }
.reference-group__list li::before { content: ""; position: absolute; left: 0; top: 17px; width: 8px; height: 8px; border-radius: 50%; background: var(--color-primary); }

/* ---------- Contact ---------- */
.contact { display: grid; grid-template-columns: 380px 1fr; gap: 48px; align-items: start; }
.contact__info { display: grid; gap: 18px; }
.contact-card { display: flex; gap: 16px; padding: 22px; border-radius: var(--radius); background: var(--color-tint); }
.contact-card h3 { font-size: 1rem; margin-bottom: .3em; }
.contact-card p { margin: 0; }
.contact-card a { color: var(--color-text); }
.contact-card a:hover { color: var(--color-primary); }
.contact-card__icon {
    flex: none;
    width: 48px; height: 48px;
    display: grid; place-items: center;
    border-radius: 50%;
    background: var(--color-primary); color: #fff;
}

.form { display: grid; gap: 18px; margin-top: 12px; }
.form__row { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
.form__field label { display: block; font-weight: 600; font-size: .95rem; margin-bottom: 6px; color: var(--color-navy); }
.form__field input,
.form__field textarea {
    width: 100%;
    padding: 12px 14px;
    font: inherit;
    color: var(--color-text);
    background: #fff;
    border: 1px solid var(--color-border);
    border-radius: 6px;
    transition: border-color .2s, box-shadow .2s;
}
.form__field input:focus,
.form__field textarea:focus { outline: none; border-color: var(--color-primary); box-shadow: 0 0 0 3px rgba(255, 135, 0, .18); }
.form__field [aria-invalid="true"] { border-color: var(--color-error); }
.form__error { color: var(--color-error); font-size: .9rem; margin: 6px 0 0; }
.form__hp { position: absolute; left: -9999px; width: 1px; height: 1px; overflow: hidden; }
.form .btn { justify-self: start; min-width: 160px; }

.alert { padding: 14px 18px; border-radius: 6px; margin: 16px 0; font-weight: 500; }
.alert--success { background: #e6f4ec; color: var(--color-success); }
.alert--error { background: #fbeaea; color: var(--color-error); }

.map iframe { width: 100%; height: 420px; border: 0; }

/* ---------- 404 ---------- */
.not-found { text-align: center; }
.not-found__code { font-size: clamp(4rem, 12vw, 8rem); font-weight: 800; color: var(--color-primary); line-height: 1; margin-bottom: .1em; }

/* ---------- Footer ---------- */
.site-footer { background: var(--color-navy); color: rgba(255, 255, 255, .78); padding-top: 64px; }
.site-footer__grid { display: grid; grid-template-columns: 1.3fr 1fr 1.3fr; gap: 48px; padding-bottom: 48px; }
.site-footer__logo { height: 36px; width: auto; margin-bottom: 18px; }
.site-footer__title { color: #fff; font-size: 1rem; text-transform: uppercase; letter-spacing: .08em; }
.site-footer__links { list-style: none; margin: 0; padding: 0; display: grid; gap: 8px; }
.site-footer a { color: rgba(255, 255, 255, .78); }
.site-footer a:hover { color: var(--color-primary); }
.site-footer__contact { margin: 0; }
.site-footer__contact dt { color: #fff; font-weight: 700; font-size: .9rem; }
.site-footer__contact dd { margin: 0 0 12px; }
.site-footer__bottom { border-top: 1px solid rgba(255, 255, 255, .1); padding: 18px 0; font-size: .9rem; }
.site-footer__bottom p { margin: 0; }

/* ---------- Floating actions ---------- */
.floating-actions { position: fixed; left: 20px; bottom: 20px; z-index: 40; display: grid; gap: 10px; }
.floating-actions__btn {
    display: inline-flex; align-items: center; gap: 8px;
    padding: 10px 16px;
    border-radius: 999px;
    color: #fff;
    font-weight: 600; font-size: .95rem;
    box-shadow: 0 8px 20px rgba(0, 0, 0, .18);
    transition: transform .2s;
}
.floating-actions__btn:hover { color: #fff; transform: translateY(-2px); }
.floating-actions__btn .icon { width: 20px; height: 20px; }
.floating-actions__btn--call { background: var(--color-primary); }
.floating-actions__btn--whatsapp { background: #1fa855; }

.back-to-top {
    position: fixed; right: 20px; bottom: 20px; z-index: 40;
    width: 46px; height: 46px;
    display: grid; place-items: center;
    border: 0; border-radius: 50%;
    background: var(--color-navy); color: #fff;
    cursor: pointer;
    opacity: 0; visibility: hidden;
    transform: translateY(10px);
    transition: opacity .3s, visibility .3s, transform .3s, background .2s;
}
.back-to-top.is-visible { opacity: 1; visibility: visible; transform: none; }
.back-to-top:hover { background: var(--color-primary); }

/* ---------- Reveal on scroll ---------- */
.js [data-reveal] { opacity: 0; transform: translateY(30px); transition: opacity .8s var(--ease), transform .8s var(--ease); }
.js [data-reveal].is-revealed { opacity: 1; transform: none; }

/* ---------- Utilities ---------- */
.visually-hidden {
    position: absolute !important;
    width: 1px; height: 1px;
    padding: 0; margin: -1px;
    overflow: hidden; clip: rect(0, 0, 0, 0);
    white-space: nowrap; border: 0;
}
.skip-link { position: absolute; left: 12px; top: -60px; z-index: 100; padding: 10px 16px; background: var(--color-navy); color: #fff; border-radius: 4px; }
.skip-link:focus { top: 12px; color: #fff; }

/* ---------- Responsive ---------- */
@media (max-width: 1024px) {
    .split, .with-sidebar, .contact { grid-template-columns: 1fr; gap: 36px; }
    .split--reverse .split__media { order: 0; }
    .feature-grid__inner { column-gap: 32px; }
    .feature-grid__panel, .feature-grid__panel:nth-of-type(2) { padding: 32px 20px; }
    .side-menu { position: static; }
    .tile-list { grid-template-columns: repeat(2, 1fr); }
    .site-footer__grid { grid-template-columns: 1fr 1fr; }
    .site-footer__col:first-child { grid-column: 1 / -1; }
}

@media (max-width: 860px) {
    :root { --header-h: 70px; }

    .nav-toggle { display: block; }
    .site-nav {
        position: absolute;
        top: 100%; left: 0; right: 0;
        background: var(--color-navy);
        box-shadow: 0 10px 30px rgba(0, 0, 0, .25);
        max-height: 0;
        overflow: hidden;
        transition: max-height .35s var(--ease);
    }
    .site-nav.is-open { max-height: 420px; }
    .site-nav ul { flex-direction: column; gap: 0; padding: 8px 20px 16px; }
    .site-nav a { padding: 14px 4px; border-bottom: 1px solid rgba(255, 255, 255, .12); }
    .site-nav a::after { display: none; }
    .brand img { height: 36px; }

    .feature-grid__inner { grid-template-columns: 1fr; }
}

@media (max-width: 768px) {
    .hero { aspect-ratio: auto; min-height: 460px; }
    .hero__slide { background-image: linear-gradient(90deg, rgba(21, 19, 60, .6), rgba(21, 19, 60, .25)), var(--slide-image-mobile, var(--slide-image, none)); background-position: center; }
    /* Taller crop on phones: scale so the image is 125% (576/461) of the box height, keeping the strip out. */
    .page-banner { aspect-ratio: 1920 / 700; background-size: auto 125%; }
}

@media (max-width: 640px) {
    .section { padding: 56px 0; }
    .gallery, .tile-list, .reference-groups, .form__row, .site-footer__grid { grid-template-columns: 1fr; }
    .marquee__item { width: 300px; }
    .hero__arrow { display: none; }
    .hero__content { padding-inline: 20px; }
    .floating-actions__btn span { display: none; }
    .floating-actions__btn { padding: 12px; }
}