/* =========================================================================
   Saul Fisher Physio — Landing page styles
   Design system: Accessible & Ethical (healthcare). Calm cyan + health green.
   ========================================================================= */

/* ---------- Fonts (self-hosted Heebo variable, Hebrew + Latin) ---------- */
@font-face {
  font-family: 'Heebo';
  font-style: normal;
  font-weight: 100 900;
  font-display: swap;
  src: url('/fonts/heebo-variable.woff2') format('woff2-variations'),
       url('/fonts/heebo-variable.woff2') format('woff2');
}

/* ---------- Design tokens ---------- */
:root {
  /* Brand palette (from ui-ux-pro-max design system) */
  --color-primary:        #0891B2;
  --color-primary-hover:  #0E7490;
  --color-primary-active: #155E75;
  --color-on-primary:     #FFFFFF;
  --color-secondary:      #22D3EE;
  --color-accent:         #059669;   /* health green */
  --color-accent-hover:   #047857;
  --color-whatsapp:       #25D366;
  --color-whatsapp-hover: #1FB955;

  --color-bg:             #FFFFFF;
  --color-surface:        #ECFEFF;
  --color-surface-2:      #F8FBFC;
  --color-fg:             #0F2A33;   /* deeper than #164E63 for AAA on white */
  --color-fg-muted:       #3F6470;
  --color-border:         #C8E6EC;
  --color-border-strong:  #8FCFDB;
  --color-destructive:    #DC2626;

  /* Spacing scale (8pt) */
  --space-1: 0.25rem;
  --space-2: 0.5rem;
  --space-3: 0.75rem;
  --space-4: 1rem;
  --space-5: 1.25rem;
  --space-6: 1.5rem;
  --space-8: 2rem;
  --space-10: 2.5rem;
  --space-12: 3rem;
  --space-16: 4rem;
  --space-20: 5rem;
  --space-24: 6rem;

  /* Radius */
  --radius-sm: 6px;
  --radius-md: 12px;
  --radius-lg: 18px;
  --radius-xl: 28px;
  --radius-pill: 999px;

  /* Shadows (subtle, healthcare-appropriate) */
  --shadow-sm: 0 1px 2px rgba(15, 42, 51, 0.05);
  --shadow-md: 0 4px 12px rgba(15, 42, 51, 0.08);
  --shadow-lg: 0 16px 40px rgba(15, 42, 51, 0.10);

  /* Type scale */
  --font-body: 'Heebo', -apple-system, BlinkMacSystemFont, 'Segoe UI', Arial, sans-serif;
  --fz-xs: 0.8125rem;   /* 13 */
  --fz-sm: 0.9375rem;   /* 15 */
  --fz-base: 1rem;      /* 16 */
  --fz-lg: 1.125rem;    /* 18 */
  --fz-xl: 1.375rem;    /* 22 */
  --fz-2xl: 1.75rem;    /* 28 */
  --fz-3xl: 2.25rem;    /* 36 */
  --fz-4xl: clamp(2.25rem, 4.5vw + 0.5rem, 3.5rem);

  --lh-tight: 1.2;
  --lh-snug: 1.35;
  --lh-normal: 1.6;
  --lh-loose: 1.75;

  /* Layout */
  --container-w: 1180px;
  --container-px: clamp(1rem, 4vw, 2rem);

  /* Motion */
  --ease-out: cubic-bezier(0.22, 0.61, 0.36, 1);
  --dur-fast: 150ms;
  --dur-base: 220ms;

  --focus-ring: 0 0 0 3px rgba(8, 145, 178, 0.45);
}

@media (prefers-color-scheme: dark) {
  :root {
    --color-bg:            #0B1A1F;
    --color-surface:       #0F242B;
    --color-surface-2:     #132D35;
    --color-fg:            #ECFEFF;
    --color-fg-muted:      #A5C9D2;
    --color-border:        #1F3F49;
    --color-border-strong: #2E5C6B;
    --color-primary:       #22D3EE;
    --color-primary-hover: #67E8F9;
    --color-primary-active:#A5F3FC;
    --color-on-primary:    #0B1A1F;
    --color-accent:        #34D399;
    --color-accent-hover:  #6EE7B7;

    --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.4);
    --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.5);
    --shadow-lg: 0 16px 40px rgba(0, 0, 0, 0.6);
  }
}

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

html {
  -webkit-text-size-adjust: 100%;
  scroll-behavior: smooth;
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after {
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.001ms !important;
    scroll-behavior: auto !important;
  }
}

body {
  margin: 0;
  background: var(--color-bg);
  color: var(--color-fg);
  font-family: var(--font-body);
  font-size: var(--fz-base);
  line-height: var(--lh-normal);
  font-weight: 400;
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

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

a {
  color: var(--color-primary);
  text-decoration: none;
  transition: color var(--dur-fast) var(--ease-out);
}
a:hover { color: var(--color-primary-hover); }

:focus-visible {
  outline: 2px solid transparent;
  box-shadow: var(--focus-ring);
  border-radius: var(--radius-sm);
  outline-offset: 2px;
}

::selection { background: rgba(8, 145, 178, 0.22); color: inherit; }

/* Skip link */
.skip-link {
  position: absolute;
  inset-inline-start: 1rem;
  top: -200px;
  background: var(--color-fg);
  color: var(--color-bg);
  padding: var(--space-3) var(--space-5);
  border-radius: var(--radius-md);
  z-index: 1000;
  transition: top var(--dur-base) var(--ease-out);
}
.skip-link:focus { top: 1rem; }

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

.section {
  padding-block: clamp(var(--space-16), 8vw, var(--space-24));
}

.section-eyebrow {
  text-transform: uppercase;
  letter-spacing: 0.12em;
  font-size: var(--fz-xs);
  font-weight: 600;
  color: var(--color-primary);
  margin: 0 0 var(--space-3);
}

.section-head { text-align: center; margin-bottom: var(--space-12); }
.section-head .section-eyebrow { margin-inline: auto; }
.section-sub { color: var(--color-fg-muted); max-width: 38em; margin-inline: auto; }

h1, h2, h3, h4 {
  font-family: var(--font-body);
  color: var(--color-fg);
  margin: 0 0 var(--space-4);
  line-height: var(--lh-tight);
  letter-spacing: -0.01em;
  font-weight: 700;
}
h1 { font-size: var(--fz-4xl); font-weight: 800; }
h2 { font-size: var(--fz-3xl); }
h3 { font-size: var(--fz-xl); font-weight: 600; }

p { margin: 0 0 var(--space-4); }
p:last-child { margin-bottom: 0; }

/* English fragments embedded in RTL Hebrew */
.lang-en, [lang="en"] {
  font-family: var(--font-body);
  color: var(--color-fg-muted);
  font-size: var(--fz-sm);
  letter-spacing: 0;
  unicode-bidi: isolate;
}

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  padding: 0.85rem 1.4rem;
  min-height: 48px;
  border-radius: var(--radius-pill);
  font-family: inherit;
  font-size: var(--fz-base);
  font-weight: 600;
  line-height: 1;
  border: 1px solid transparent;
  cursor: pointer;
  text-decoration: none;
  transition:
    background-color var(--dur-base) var(--ease-out),
    color var(--dur-base) var(--ease-out),
    border-color var(--dur-base) var(--ease-out),
    transform var(--dur-fast) var(--ease-out),
    box-shadow var(--dur-base) var(--ease-out);
  white-space: nowrap;
}
.btn:active { transform: translateY(1px); }
.btn-lg { padding: 1rem 1.65rem; min-height: 52px; font-size: var(--fz-lg); }

.btn-primary {
  background: var(--color-whatsapp);
  color: #ffffff;
  box-shadow: var(--shadow-sm);
}
.btn-primary:hover { background: var(--color-whatsapp-hover); color: #ffffff; box-shadow: var(--shadow-md); }

.btn-secondary {
  background: var(--color-surface);
  color: var(--color-fg);
  border-color: var(--color-border-strong);
}
.btn-secondary:hover { background: var(--color-bg); color: var(--color-primary); border-color: var(--color-primary); }

@media (prefers-color-scheme: dark) {
  .btn-secondary { background: var(--color-surface-2); color: var(--color-fg); }
}

/* ---------- Header ---------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  /* Fallback for browsers without color-mix() support (Safari <16.2) */
  background: rgba(255, 255, 255, 0.92);
  background: color-mix(in srgb, var(--color-bg) 88%, transparent);
  -webkit-backdrop-filter: saturate(180%) blur(12px);
  backdrop-filter: saturate(180%) blur(12px);
  border-bottom: 1px solid var(--color-border);
}
@media (prefers-color-scheme: dark) {
  .site-header { background: rgba(11, 26, 31, 0.92); }
}
.header-inner {
  display: flex;
  align-items: center;
  gap: var(--space-6);
  padding-block: var(--space-3);
}
.brand {
  display: inline-flex;
  align-items: center;
  gap: var(--space-3);
  color: var(--color-fg);
}
.brand:hover { color: var(--color-fg); }
.brand-mark { color: var(--color-primary); display: inline-flex; }
.brand-text { display: flex; flex-direction: column; line-height: 1.15; }
.brand-text strong { font-weight: 700; font-size: var(--fz-lg); }
.brand-text small { font-size: var(--fz-xs); color: var(--color-fg-muted); }

.primary-nav {
  display: none;
  margin-inline-start: auto;
  gap: var(--space-6);
}
.primary-nav a {
  color: var(--color-fg);
  font-weight: 500;
  font-size: var(--fz-sm);
}
.primary-nav a:hover { color: var(--color-primary); }

.header-cta { padding: 0.6rem 1.1rem; min-height: 40px; font-size: var(--fz-sm); }

/* Language switcher */
.lang-switch {
  display: inline-flex;
  align-items: center;
  gap: var(--space-1);
  padding: 4px;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-pill);
  margin-inline-start: auto;
  font-size: var(--fz-xs);
  font-weight: 600;
}
.lang-switch > a {
  padding: 0.35rem 0.75rem;
  border-radius: var(--radius-pill);
  color: var(--color-fg-muted);
  text-decoration: none;
  white-space: nowrap;
  line-height: 1;
  transition: color var(--dur-fast) var(--ease-out), background-color var(--dur-fast) var(--ease-out);
}
.lang-switch .lang-current {
  background: var(--color-primary);
  color: var(--color-on-primary);
  pointer-events: none;
}
.lang-switch .lang-other:hover { color: var(--color-primary); background: var(--color-bg); }

@media (min-width: 860px) {
  .primary-nav { display: inline-flex; margin-inline-start: auto; }
  .lang-switch { margin-inline-start: 0; }
  .header-cta { margin-inline-start: var(--space-2); }
}
@media (max-width: 540px) {
  .primary-nav { display: none; }
  .header-cta { display: none; }
  .lang-switch { font-size: 0.75rem; padding: 3px; }
  .lang-switch > a,
  .lang-switch > span {
    min-height: 36px;
    padding: 0.5rem 0.8rem;
    display: inline-flex;
    align-items: center;
  }
}

/* ---------- Hero ---------- */
.hero {
  position: relative;
  overflow: hidden;
  isolation: isolate;
}
.hero-bg {
  position: absolute;
  inset: 0;
  z-index: -1;
  background:
    radial-gradient(circle at 80% 0%, rgba(34, 211, 238, 0.18), transparent 55%),
    radial-gradient(circle at 0% 100%, rgba(5, 150, 105, 0.12), transparent 50%),
    linear-gradient(180deg, var(--color-surface) 0%, var(--color-bg) 100%);
}
.hero-inner {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-12);
  padding-block: clamp(var(--space-16), 9vw, var(--space-24));
  align-items: center;
}
@media (min-width: 900px) {
  .hero-inner { grid-template-columns: 1.2fr 1fr; gap: var(--space-16); }
}

.eyebrow {
  display: inline-block;
  background: var(--color-bg);
  color: var(--color-primary);
  padding: 0.4rem 0.9rem;
  border-radius: var(--radius-pill);
  border: 1px solid var(--color-border);
  font-size: var(--fz-xs);
  font-weight: 600;
  letter-spacing: 0.02em;
  margin-bottom: var(--space-5);
  box-shadow: var(--shadow-sm);
}

.hero-text h1 .accent { color: var(--color-primary); }

.lede {
  font-size: var(--fz-lg);
  color: var(--color-fg);
  max-width: 24em;
  margin-bottom: var(--space-3);
}
.lede-en {
  font-size: var(--fz-sm);
  color: var(--color-fg-muted);
  max-width: 38em;
  margin-bottom: var(--space-8);
  unicode-bidi: isolate;
}

.hero-cta-row {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-3);
  margin-bottom: var(--space-8);
}

.trust-row {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: var(--space-3) var(--space-5);
  color: var(--color-fg-muted);
  font-size: var(--fz-sm);
}
.trust-row li { display: flex; align-items: center; gap: var(--space-2); }
.trust-row span { color: var(--color-accent); font-weight: 700; }

/* Hero image (real headshot photo) */
.hero-image { margin: 0; position: relative; }
.hero-image picture,
.hero-image img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 4 / 5;
  object-fit: cover;
  object-position: center top;
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-lg);
  background: var(--color-surface);
}
.hero-image::before {
  content: "";
  position: absolute;
  inset: -8% -8% auto auto;
  width: 60%;
  height: 60%;
  background: radial-gradient(circle, rgba(34, 211, 238, 0.18) 0%, transparent 70%);
  z-index: -1;
  pointer-events: none;
  border-radius: 50%;
}

/* ---------- About ---------- */
.section-about { background: var(--color-bg); }
.about-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-10);
  align-items: center;
}
@media (min-width: 860px) {
  .about-grid { grid-template-columns: 5fr 7fr; gap: var(--space-16); }
}

.about-image { margin: 0; }
.about-image picture,
.about-image img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 4 / 5;
  object-fit: cover;
  object-position: center top;
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-lg);
  background: var(--color-surface);
}

.about-text { display: flex; flex-direction: column; gap: var(--space-3); }
.about-text > p { margin-bottom: 0; }

.stat-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-6);
  box-shadow: var(--shadow-sm);
  margin-top: var(--space-4);
}
.stat-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-5);
}
.stat-list li {
  display: flex;
  flex-direction: column;
  gap: var(--space-1);
}
.stat-list strong {
  font-size: var(--fz-xl);
  color: var(--color-primary);
  font-weight: 700;
  line-height: 1.1;
}
.stat-list span { font-size: var(--fz-sm); color: var(--color-fg-muted); }

/* ---------- Services ---------- */
.section-services { background: var(--color-surface-2); }
@media (prefers-color-scheme: dark) {
  .section-services { background: var(--color-surface); }
}

.service-grid {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-5);
}
@media (min-width: 720px) { .service-grid { grid-template-columns: repeat(3, minmax(0, 1fr)); } }

.service-card {
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-6) var(--space-6) var(--space-8);
  box-shadow: var(--shadow-sm);
  transition: transform var(--dur-base) var(--ease-out), box-shadow var(--dur-base) var(--ease-out), border-color var(--dur-base) var(--ease-out);
}
.service-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
  border-color: var(--color-border-strong);
}

.service-icon {
  display: inline-flex;
  width: 56px;
  height: 56px;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-md);
  background: var(--color-surface);
  color: var(--color-primary);
  margin-bottom: var(--space-5);
}
.service-card h3 { margin-bottom: var(--space-3); }
.service-card p { color: var(--color-fg-muted); }
.service-card p:not(.lang-en):first-of-type { color: var(--color-fg); }

.services-cta { text-align: center; margin-top: var(--space-12); }

/* ---------- Testimonials ---------- */
.section-testimonials { background: var(--color-bg); }
.testimonial-grid {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-5);
}
@media (min-width: 760px) { .testimonial-grid { grid-template-columns: repeat(3, minmax(0, 1fr)); } }

.testimonial-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-6);
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
  box-shadow: var(--shadow-sm);
}
.stars { color: #F59E0B; font-size: var(--fz-lg); line-height: 1; letter-spacing: 2px; }
.testimonial-card blockquote { margin: 0; }
.testimonial-card blockquote p { font-size: var(--fz-base); color: var(--color-fg); }
.testimonial-card footer { color: var(--color-fg-muted); font-size: var(--fz-sm); font-weight: 500; }

/* ---------- FAQ ---------- */
.section-faq { background: var(--color-surface-2); }
@media (prefers-color-scheme: dark) {
  .section-faq { background: var(--color-surface); }
}
.faq-list { display: grid; gap: var(--space-3); max-width: 820px; margin-inline: auto; }
.faq-list details {
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: var(--space-4) var(--space-5);
  transition: border-color var(--dur-base) var(--ease-out), box-shadow var(--dur-base) var(--ease-out);
}
.faq-list details[open] {
  border-color: var(--color-border-strong);
  box-shadow: var(--shadow-sm);
}
.faq-list summary {
  cursor: pointer;
  font-weight: 600;
  font-size: var(--fz-lg);
  list-style: none;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-4);
  color: var(--color-fg);
}
.faq-list summary::-webkit-details-marker { display: none; }
.faq-list summary::after {
  content: "+";
  font-size: 1.5rem;
  line-height: 1;
  color: var(--color-primary);
  transition: transform var(--dur-base) var(--ease-out);
}
.faq-list details[open] summary::after { content: "−"; }
.faq-list details p { margin-top: var(--space-3); color: var(--color-fg-muted); }
.faq-list details p:not(.lang-en) { color: var(--color-fg); }

/* ---------- Contact ---------- */
.section-contact { background: var(--color-bg); }
.contact-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-4);
  max-width: 920px;
  margin-inline: auto;
}
@media (min-width: 640px) { .contact-grid { grid-template-columns: 1fr 1fr; } }

.contact-card {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: var(--space-2);
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-6);
  color: var(--color-fg);
  transition: transform var(--dur-base) var(--ease-out), border-color var(--dur-base) var(--ease-out), box-shadow var(--dur-base) var(--ease-out), background-color var(--dur-base) var(--ease-out);
}
.contact-card:hover {
  transform: translateY(-3px);
  border-color: var(--color-primary);
  box-shadow: var(--shadow-md);
}
.contact-card strong { font-size: var(--fz-lg); }
.contact-card span { font-size: var(--fz-sm); color: var(--color-fg-muted); }
.contact-card .contact-value { font-weight: 600; color: var(--color-primary); }
.contact-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 56px;
  height: 56px;
  border-radius: var(--radius-md);
  background: var(--color-bg);
  color: var(--color-primary);
  margin-bottom: var(--space-2);
  border: 1px solid var(--color-border);
}

/* WhatsApp gets the brand color */
.contact-card-primary { background: var(--color-whatsapp); color: #ffffff; border-color: transparent; }
.contact-card-primary:hover { background: var(--color-whatsapp-hover); color: #ffffff; box-shadow: var(--shadow-lg); }
.contact-card-primary .contact-icon { background: rgba(255,255,255,0.18); color: #ffffff; border-color: transparent; }
.contact-card-primary span { color: rgba(255,255,255,0.85); }
.contact-card-primary .contact-value { color: #ffffff; }

/* Instagram gradient accent border on hover */
#contact-instagram:hover {
  background: linear-gradient(135deg, #F58529 0%, #DD2A7B 50%, #8134AF 100%);
  color: #ffffff;
  border-color: transparent;
}
#contact-instagram:hover .contact-icon { background: rgba(255,255,255,0.2); color: #ffffff; border-color: transparent; }
#contact-instagram:hover span,
#contact-instagram:hover .contact-value { color: #ffffff; }
#contact-instagram:hover strong { color: #ffffff; }

/* ---------- Footer ---------- */
.site-footer {
  background: var(--color-surface);
  border-top: 1px solid var(--color-border);
  padding-block: var(--space-8);
  margin-top: var(--space-16);
  color: var(--color-fg-muted);
  font-size: var(--fz-sm);
}
.footer-inner { display: flex; flex-direction: column; gap: var(--space-2); }
@media (min-width: 720px) {
  .footer-inner { flex-direction: row; justify-content: space-between; align-items: center; }
}
.footer-lang a { color: var(--color-primary); font-weight: 600; font-size: var(--fz-sm); }
.footer-lang a:hover { color: var(--color-primary-hover); }

/* ---------- Floating WhatsApp ---------- */
.float-whatsapp {
  position: fixed;
  inset-block-end: max(env(safe-area-inset-bottom, 0px) + 0.5rem, clamp(1rem, 3vw, 1.75rem));
  inset-inline-end: max(env(safe-area-inset-right, 0px) + 0.5rem, clamp(1rem, 3vw, 1.75rem));
  width: 60px;
  height: 60px;
  border-radius: 50%;
  background: var(--color-whatsapp);
  color: #ffffff;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 10px 30px rgba(37, 211, 102, 0.45);
  z-index: 60;
  transition: transform var(--dur-base) var(--ease-out), background-color var(--dur-base) var(--ease-out), box-shadow var(--dur-base) var(--ease-out);
}
.float-whatsapp:hover {
  background: var(--color-whatsapp-hover);
  color: #ffffff;
  transform: scale(1.06);
  box-shadow: 0 14px 36px rgba(37, 211, 102, 0.55);
}
.float-whatsapp:active { transform: scale(0.96); }

/* ---------- Print ---------- */
@media print {
  .site-header, .float-whatsapp, .hero-image, .about-image,
  .services-cta, .lang-switch, .skip-link { display: none !important; }
  body { color: #000; background: #fff; }
  .section { padding-block: var(--space-8); }
  a[href^="http"]::after { content: " (" attr(href) ")"; font-size: 0.85em; color: #555; }
}