/* Design tokens */
:root {
  --brand-main: #2e7d6f;
  --brand-light: #e9f7f3;
  --brand-accent: #1f5a50;
  --ink-dark: #1f2937;
  --ink-medium: #4b5563;
  --ink-light: #6b7280;
  --bg-light: #f9fafb;
  --white: #ffffff;
  --shadow-elevation-1: 0 5px 15px rgba(47, 111, 98, 0.08);
  --shadow-elevation-2: 0 10px 25px rgba(47, 111, 98, 0.12);
  --radius-lg: 18px;
  --radius-md: 12px;
  --container-max-width: 1100px;
  --ring: rgba(47, 111, 98, 0.18);
}

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

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  padding: 0;
  font-family: "Cairo", system-ui, -apple-system, sans-serif;
  background: var(--bg-light);
  color: var(--ink-dark);
  direction: rtl;
  text-align: right;
  line-height: 1.7;
  overflow-x: hidden;
}

/* Content alignment */
.hero-inner {
  text-align: right;
}

.hero-inner .actions {
  justify-content: flex-start;
}

body.menu-open {
  overflow: hidden;
} /* Prevent scroll when menu is open */

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

/* ——— General Styles & Layout ——— */
.container {
  max-width: var(--container-max-width);
  margin-inline: auto;
  padding: 0 20px;
}

section {
  padding: 90px 0;
}

.section-alt-bg {
  background: var(--white);
}

.section-header {
  margin-bottom: 50px;
  max-width: 800px;
  margin-inline: auto;
  text-align: center;
}

h2 {
  margin: 0 0 12px;
  font-size: clamp(30px, 4vw, 42px);
  font-weight: 800;
  color: var(--brand-accent);
  line-height: 1.3;
}

.lead {
  color: var(--ink-medium);
  margin: 0;
  max-width: 700px;
  margin-inline: auto;
  font-size: 1.15rem;
}

/* ——— Header & Navigation (Responsive) ——— */
header {
  position: sticky;
  top: 0;
  z-index: 60;
  background: rgba(255, 255, 255, 0.85);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid rgba(0, 0, 0, 0.05);
}

.nav {
  display: grid;
  grid-template-columns: auto 1fr auto auto;
  align-items: center;
  gap: 16px;
  padding: 20px 0;
}

/* Hide mobile buttons on desktop */
.mobile-buttons {
  display: none;
}

/* Center navigation */
nav.desktop-nav {
  justify-self: center;
}

.brand {
  display: flex;
  align-items: center;
  gap: 10px;
}

.brand img {
  height: 48px;
  width: auto;
  border-radius: 8px;
}

.brand .title {
  font-weight: 800;
  font-size: 1.35rem;
  color: var(--brand-accent);
}

nav ul {
  display: flex;
  gap: 24px;
  list-style: none;
  margin: 0;
  padding: 0;
  justify-content: center;
}

nav a {
  color: var(--ink-medium);
  font-weight: 600;
  transition: color 0.2s;
}

nav a:hover {
  color: var(--brand-main);
}

.cta {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  background: var(--brand-main);
  color: var(--white);
  padding: 14px 24px;
  border-radius: var(--radius-md);
  font-weight: 600;
  font-size: 0.95rem;
  box-shadow: var(--shadow-elevation-1);
  transition: all 0.2s ease-in-out;
  text-align: center;
  border: none;
  cursor: pointer;
  text-decoration: none;
  white-space: nowrap;
}

.cta:hover {
  background: var(--brand-accent);
  transform: translateY(-2px);
  box-shadow: var(--shadow-elevation-2);
}

.cta--ghost {
  background: transparent !important;
  border: 1px solid var(--ring);
  color: var(--ink-dark);
  white-space: nowrap;
}

.cta--ghost:hover {
  background: var(--brand-light) !important;
  color: var(--brand-main);
}

.cta--contact {
  background: var(--brand-main);
  color: var(--white);
  padding: 14px 24px;
  font-size: 0.95rem;
}

.cta--contact:hover {
  background: var(--brand-accent);
  transform: translateY(-2px);
  box-shadow: var(--shadow-elevation-2);
}

/* Mobile buttons */
.mobile-buttons {
  display: none;
  align-items: center;
  gap: 8px;
}

.cta--mobile-contact {
  background: var(--brand-main);
  color: var(--white);
  padding: 8px 12px;
  border-radius: var(--radius-md);
  font-weight: 600;
  font-size: 0.8rem;
  box-shadow: var(--shadow-elevation-1);
  transition: all 0.2s ease-in-out;
  text-decoration: none;
  white-space: nowrap;
  height: 36px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
}

.cta--mobile-contact:hover {
  background: var(--brand-accent);
  transform: translateY(-2px);
  box-shadow: var(--shadow-elevation-2);
}

/* Mobile menu toggle */
.menu-toggle {
  display: none;
  border: 1px solid var(--ring);
  background: var(--white);
  padding: 10px 12px;
  border-radius: 12px;
  box-shadow: var(--shadow-elevation-1);
  cursor: pointer;
  transition: all 0.2s ease;
}

.menu-toggle:hover {
  background: var(--brand-light);
  transform: translateY(-1px);
  box-shadow: var(--shadow-elevation-2);
}

.menu-toggle svg {
  display: block;
}

/* Mobile dropdown menu */
.mobile-nav {
  position: fixed;
  inset: 70px 0 0 0;
  background: rgba(255, 255, 255, 0.98);
  backdrop-filter: blur(10px);
  border-top: 1px solid rgba(0, 0, 0, 0.06);
  transform: translateY(-6px);
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.2s ease, transform 0.2s ease, visibility 0.2s;
  z-index: 55;
}

.mobile-nav.open {
  transform: translateY(0);
  opacity: 1;
  visibility: visible;
}

.mobile-nav ul {
  list-style: none;
  margin: 0;
  padding: 20px;
  display: grid;
  gap: 12px;
}

.mobile-nav a {
  display: block;
  padding: 14px 16px;
  border-radius: 12px;
  color: var(--ink-dark);
  font-weight: 700;
  border: 1px solid var(--ring);
  background: var(--white);
}

.mobile-actions {
  padding: 0 20px 20px;
  display: grid;
  gap: 10px;
}

/* ——— Hero Section ——— */
.hero {
  padding: 72px 0 56px;
  position: relative;
  overflow: hidden;
  background: radial-gradient(
      1200px 600px at 70% -80px,
      rgba(127, 178, 164, 0.25),
      transparent 60%
    ),
    linear-gradient(180deg, var(--brand-light), transparent 60%);
}

.hero-inner {
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  gap: 40px;
  align-items: center;
}

.kicker {
  display: inline-block;
  background: var(--brand-main);
  color: var(--white);
  padding: 6px 12px;
  border-radius: 999px;
  font-weight: 700;
  font-size: 0.9rem;
}

.hero h1 {
  margin: 10px 0 12px;
  font-size: clamp(28px, 4.2vw, 44px);
  line-height: 1.2;
}

.accent {
  background: linear-gradient(90deg, var(--brand-main), #5fa394);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.hero p {
  margin: 0 0 22px;
  color: var(--ink-medium);
  font-size: clamp(15px, 1.8vw, 18px);
}

.actions {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
}

.device {
  background: var(--white);
  border-radius: var(--radius-lg);
  padding: 18px;
  border: 1px solid var(--ring);
  box-shadow: var(--shadow-elevation-2);
}

.device .frame {
  border-radius: var(--radius-md);
  border: 1px solid rgba(47, 111, 98, 0.15);
  padding: 18px;
  background: var(--bg-light);
}

.ecg {
  margin-bottom: 12px;
  width: 100%;
  height: 160px;
}

.ecg path {
  stroke: var(--brand-main);
  stroke-width: 4;
  fill: none;
  stroke-linejoin: round;
  stroke-linecap: round;
}

.dash {
  stroke-dasharray: 640;
  animation: pulse 2.8s linear infinite;
}

@keyframes pulse {
  from {
    stroke-dashoffset: 640;
  }
  to {
    stroke-dashoffset: -640;
  }
}

@media (prefers-reduced-motion: reduce) {
  .dash {
    animation: none;
  }
}

/* ——— Card & Feature Styles ——— */
.grid {
  display: grid;
  gap: 24px;
}

.bento-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.feature {
  background: var(--white);
  border-radius: var(--radius-lg);
  padding: 28px;
  box-shadow: var(--shadow-elevation-1);
  transition: all 0.3s cubic-bezier(0.2, 0.8, 0.2, 1);
  display: flex;
  flex-direction: column;
  border: 1px solid transparent;
}

.feature:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-elevation-2);
  border-color: var(--ring);
}

.feature.span-col-2 {
  grid-column: span 2;
}

.feature h3 {
  margin: 18px 0 10px;
  font-size: 22px;
  font-weight: 700;
  color: var(--ink-dark);
}

.feature p {
  margin: 0;
  color: var(--ink-medium);
  flex-grow: 1;
}

.feature .icon {
  width: 60px;
  height: 60px;
  background: var(--brand-light);
  border-radius: 16px;
  display: grid;
  place-items: center;
  color: var(--brand-main);
  flex-shrink: 0;
  transition: all 0.3s;
}

.feature:hover .icon {
  background: linear-gradient(145deg, var(--brand-light), var(--white));
  transform: scale(1.05);
}

.feature .icon svg {
  width: 28px;
  height: 28px;
}

/* ——— "How it Works" Section ——— */
.how-steps {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 40px;
  position: relative;
}

.step {
  background: var(--white);
  border-radius: var(--radius-md);
  padding: 28px;
  box-shadow: var(--shadow-elevation-1);
  text-align: center;
  transition: all 0.3s;
  position: relative;
  z-index: 1;
}

.how-steps::before {
  content: "";
  position: absolute;
  top: 24px;
  right: 10%;
  width: 80%;
  height: 2px;
  background-image: linear-gradient(to left, var(--ring) 50%, transparent 50%);
  background-size: 12px 2px;
  z-index: 0;
}

.step .num {
  display: inline-grid;
  place-items: center;
  background: var(--brand-light);
  color: var(--brand-main);
  font-weight: 800;
  border-radius: 999px;
  width: 48px;
  height: 48px;
  margin-bottom: 16px;
  font-size: 1.4rem;
  border: 4px solid var(--bg-light);
}

.step h3 {
  margin: 0 0 10px;
  font-size: 20px;
  font-weight: 700;
  color: var(--ink-dark);
}

.step p {
  margin: 0;
  color: var(--ink-medium);
}

/* ——— Contact Section ——— */
.contact-section {
  background: var(--brand-light);
  padding: 80px 0;
}

.contact-card {
  background: var(--white);
  border-radius: var(--radius-lg);
  padding: 40px;
  box-shadow: var(--shadow-elevation-2);
  max-width: 700px;
  margin: 0 auto;
  text-align: center;
}

.contact-card p {
  margin-bottom: 20px;
  font-size: 1.1rem;
  color: var(--ink-medium);
}

.contact-card .mail-cta {
  background: var(--brand-main);
  color: var(--white);
  padding: 16px 32px;
  border-radius: var(--radius-md);
  font-weight: 600;
  box-shadow: var(--shadow-elevation-1);
  transition: all 0.2s ease-in-out;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  font-size: 1.05rem;
  margin-bottom: 20px;
  text-decoration: none;
  border: none;
  cursor: pointer;
  white-space: nowrap;
}

.contact-card .mail-cta:hover {
  background: var(--brand-accent);
  transform: translateY(-2px);
  box-shadow: var(--shadow-elevation-2);
}

.phones {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 12px;
  margin-top: 20px;
}

.pill {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: var(--brand-light);
  color: var(--ink-dark);
  padding: 10px 16px;
  border-radius: 999px;
  font-weight: 600;
  font-size: 0.95rem;
}

/* ——— Footer ——— */
footer {
  padding: 40px 0;
  color: var(--ink-light);
  text-align: center;
  font-size: 0.9rem;
  border-top: 1px solid #e2e8f0;
  margin-top: 50px;
}

/* ——— Reveal on Scroll ——— */
.reveal {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.8s cubic-bezier(0.2, 0.8, 0.2, 1),
    transform 0.8s cubic-bezier(0.2, 0.8, 0.2, 1);
}

.reveal.visible {
  opacity: 1;
  transform: none;
}

.reveal > * {
  transition-delay: var(--delay, 0s);
}

/* ——— Responsive Design ——— */

/* Large tablets and small laptops */
@media (max-width: 1200px) {
  .container {
    padding: 0 24px;
  }
  .hero-inner {
    gap: 32px;
  }
  .bento-grid {
    gap: 20px;
  }
  .how-steps {
    gap: 32px;
  }
}

/* Tablets */
@media (max-width: 1024px) {
  nav.desktop-nav {
    display: none;
  }
  .cta--contact {
    display: none;
  }
  .mobile-buttons {
    display: flex;
    justify-content: flex-end;
  }
  .menu-toggle {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 44px;
    height: 44px;
    padding: 10px;
  }
  .nav {
    grid-template-columns: auto 1fr auto; /* brand | space | mobile-buttons */
    gap: 12px;
  }
  .hero-inner {
    grid-template-columns: 1fr;
    gap: 40px;
    text-align: right;
  }
  .bento-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 20px;
  }
  .how-steps {
    grid-template-columns: repeat(2, 1fr);
    gap: 24px;
  }
  .how-steps::before {
    display: none;
  }
}

/* Small tablets and large phones */
@media (max-width: 768px) {
  .container {
    padding: 0 20px;
  }
  section {
    padding: 60px 0;
  }
  .hero {
    padding: 60px 0 40px;
  }
  .feature.span-col-2 {
    grid-column: span 2;
  }
  .cta {
    padding: 14px 20px;
    font-size: 0.95rem;
  }
  .menu-toggle {
    width: 40px;
    height: 40px;
    padding: 8px;
  }
  .menu-toggle svg {
    width: 20px;
    height: 20px;
  }
  .brand .title {
    font-size: 1.25rem;
  }
  .brand img {
    height: 40px;
  }
}

/* Mobile phones */
@media (max-width: 640px) {
  section {
    padding: 50px 0;
  }
  .container {
    padding: 0 16px;
  }
  .bento-grid,
  .grid,
  .how-steps {
    grid-template-columns: 1fr;
    gap: 16px;
  }
  .feature.span-col-2 {
    grid-column: span 1;
  }
  .section-header,
  h2,
  .lead {
    text-align: right;
  }
  .actions {
    flex-direction: column;
    align-items: stretch;
  }
  .cta {
    justify-content: center;
    padding: 16px 24px;
  }
  .hero h1 {
    font-size: clamp(24px, 6vw, 36px);
  }
  .feature {
    padding: 20px;
  }
  .step {
    padding: 20px;
  }
  .contact-card {
    padding: 24px;
    margin: 0 16px;
  }
  .phones {
    flex-direction: column;
    align-items: center;
  }
}

/* Very small phones */
@media (max-width: 480px) {
  .container {
    padding: 0 12px;
  }
  .brand .title {
    display: none;
  }
  .menu-toggle {
    width: 36px;
    height: 36px;
    padding: 6px;
  }
  .menu-toggle svg {
    width: 18px;
    height: 18px;
  }
  .hero {
    padding: 40px 0 30px;
  }
  .device {
    padding: 12px;
  }
  .device .frame {
    padding: 12px;
  }
  .ecg {
    height: 120px;
  }
}