/*
Theme Name: Prof Kazzam
Theme URI: https://profkazzam.com
Author: Prof Kazzam
Author URI: https://profkazzam.com
Description: Professional academic portfolio theme for Professor Elsadig Kazzam, Senior Consultant in Clinical Cardiology.
Version: 1.0.0
License: GNU General Public License v2 or later
License URI: https://www.gnu.org/licenses/gpl-2.0.html
Text Domain: profkazzam
Tags: portfolio, academic, one-column, custom-menu, featured-images
Requires at least: 6.0
Tested up to: 6.7
Requires PHP: 7.4
*/

/* ─── Design Tokens ─── */
:root {
  --kz-bg: #f3efe7;
  --kz-surface: #fffdf9;
  --kz-ink: #13232f;
  --kz-muted: #5c6a73;
  --kz-primary: #0f6f68;
  --kz-primary-strong: #0b5752;
  --kz-accent: #b37a2e;
  --kz-border: #d5ddd9;
  --font-heading: 'Cormorant Garamond', 'Times New Roman', serif;
  --font-body: 'Manrope', 'Segoe UI', sans-serif;
}

/* ─── Reset ─── */
*, *::before, *::after { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
html { scroll-behavior: smooth; }

body {
  min-height: 100vh;
  background: radial-gradient(circle at 12% 8%, #dbe7e2 0%, transparent 36%),
    radial-gradient(circle at 86% 18%, #e7dcc7 0%, transparent 32%),
    var(--kz-bg);
  color: var(--kz-ink);
  font-family: var(--font-body);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

a { color: inherit; text-decoration: none; }
img { max-width: 100%; height: auto; display: block; }
ul, ol { margin: 0; padding: 0; list-style: none; }
h1, h2, h3, h4, h5, h6 { margin: 0; }

::selection {
  background: var(--kz-primary);
  color: #ffffff;
}

/* ─── Layout ─── */
.kz-page {
  width: 100%;
  padding-bottom: 5rem;
}

.kz-container {
  width: min(100%, 76rem);
  margin-inline: auto;
  padding-inline: 1.5rem;
}

.kz-main {
  display: flex;
  min-height: 100vh;
  width: 100%;
  flex-direction: column;
  padding-top: 5rem;
}

/* ─── Navbar ─── */
.kz-navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 50;
  border-bottom: 1px solid transparent;
  transition: all 300ms ease;
}

.kz-navbar.scrolled {
  border-bottom-color: var(--kz-border);
  background: rgba(255, 253, 249, 0.92);
  box-shadow: 0 1px 3px rgba(0,0,0,0.06);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
}

.kz-navbar-inner {
  padding-top: 0.75rem;
  display: flex;
  height: 5rem;
  align-items: center;
  justify-content: space-between;
}

.kz-logo {
  display: flex;
  align-items: baseline;
  gap: 0.5rem;
}

.kz-logo-text {
  font-family: var(--font-heading);
  font-size: 1.875rem;
  font-weight: 600;
  letter-spacing: -0.02em;
  color: var(--kz-ink);
}

.kz-logo-tag {
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.16em;
  color: var(--kz-primary);
}

/* Desktop Nav */
.kz-nav-desktop {
  display: none;
  align-items: center;
  gap: 0.25rem;
}

@media (min-width: 768px) {
  .kz-nav-desktop { display: flex; }
  .kz-nav-toggle { display: none !important; }
}

.kz-nav-link {
  position: relative;
  border-radius: 999px;
  padding: 0.5rem 0.875rem;
  font-size: 0.875rem;
  font-weight: 600;
  color: rgba(19, 35, 47, 0.8);
  transition: color 180ms ease;
}

.kz-nav-link:hover,
.kz-nav-link.active {
  color: var(--kz-primary);
}

.kz-nav-link.active {
  background: rgba(15, 111, 104, 0.12);
}

/* Dropdown */
.kz-nav-item { position: relative; }

.kz-dropdown {
  display: none;
  position: absolute;
  left: 0;
  top: 100%;
  margin-top: 0.5rem;
  width: 16rem;
  border-radius: 1rem;
  border: 1px solid var(--kz-border);
  background: var(--kz-surface);
  padding: 0.5rem;
  box-shadow: 0 20px 40px rgba(0,0,0,0.1);
  z-index: 60;
}

.kz-nav-item:hover .kz-dropdown {
  display: block;
  animation: kz-fade-down 180ms ease;
}

@keyframes kz-fade-down {
  from { opacity: 0; transform: translateY(8px); }
  to { opacity: 1; transform: translateY(0); }
}

.kz-dropdown a {
  display: block;
  border-radius: 0.75rem;
  padding: 0.5rem 0.75rem;
  font-size: 0.875rem;
  color: var(--kz-muted);
  transition: all 180ms ease;
}

.kz-dropdown a:hover {
  background: rgba(15, 111, 104, 0.08);
  color: var(--kz-primary);
}

/* Mobile Nav */
.kz-nav-toggle {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 2.5rem;
  height: 2.5rem;
  border-radius: 0.75rem;
  border: 1px solid var(--kz-border);
  background: none;
  color: var(--kz-ink);
  cursor: pointer;
}

.kz-nav-mobile {
  display: none;
  border-top: 1px solid var(--kz-border);
  background: var(--kz-surface);
  animation: kz-fade-down 200ms ease;
}

.kz-nav-mobile.open { display: block; }

@media (min-width: 768px) {
  .kz-nav-mobile { display: none !important; }
}

.kz-nav-mobile-inner {
  padding: 0.75rem 0;
}

.kz-nav-mobile-item {
  border-bottom: 1px solid rgba(213, 221, 217, 0.6);
  padding: 0.5rem 0;
}

.kz-nav-mobile-item:last-child { border-bottom: none; }

.kz-nav-mobile-item > a {
  display: block;
  padding: 0.375rem 0;
  font-weight: 600;
  color: var(--kz-ink);
}

.kz-nav-mobile-sub {
  display: grid;
  gap: 0.25rem;
  padding: 0 0 0.5rem 0.75rem;
}

.kz-nav-mobile-sub a {
  font-size: 0.875rem;
  color: var(--kz-muted);
}

/* ─── Hero ─── */
.kz-hero {
  position: relative;
  overflow: hidden;
  padding: 8.5rem 0 5rem;
  background: linear-gradient(130deg, #112534 0%, #1d3747 45%, #0f6f68 100%);
  color: #f4f7f5;
}

.kz-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at 78% 18%, rgba(179, 122, 46, 0.35) 0%, transparent 42%),
    radial-gradient(circle at 14% 88%, rgba(255, 255, 255, 0.08) 0%, transparent 40%);
  pointer-events: none;
}

.kz-hero-inner {
  position: relative;
  z-index: 1;
  max-width: 52rem;
}

.kz-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  margin-bottom: 1.25rem;
  padding: 0.35rem 0.8rem;
  border: 1px solid rgba(255, 255, 255, 0.24);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.08);
  text-transform: uppercase;
  letter-spacing: 0.12em;
  font-size: 0.7rem;
  font-weight: 700;
}

.kz-title {
  margin: 0;
  font-family: var(--font-heading);
  font-size: clamp(2.4rem, 6.2vw, 4.7rem);
  line-height: 0.95;
  letter-spacing: -0.02em;
}

.kz-title-accent { color: #f3d4a2; }

.kz-subtitle {
  margin-top: 1.1rem;
  max-width: 45rem;
  color: rgba(244, 247, 245, 0.84);
  font-size: clamp(1rem, 2.2vw, 1.22rem);
  line-height: 1.65;
}

/* ─── Home Hero (full-bleed image slider) ─── */
.kz-home-hero {
  position: relative;
  min-height: 98vh;
  overflow: hidden;
}

.kz-home-hero-slides {
  position: absolute;
  inset: 0;
}

.kz-home-hero-slide {
  position: absolute;
  inset: 0;
  opacity: 0;
  transition: opacity 800ms ease-out;
}

.kz-home-hero-slide.active { opacity: 1; }

.kz-home-hero-slide img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.kz-home-hero-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(112deg, rgba(10,25,34,0.82), rgba(10,25,34,0.55), rgba(10,25,34,0.38));
}

.kz-home-hero-content {
  position: relative;
  z-index: 10;
  display: flex;
  min-height: 98vh;
  flex-direction: column;
  justify-content: flex-end;
  padding-bottom: 5rem;
  padding-top: 10rem;
  color: #fff;
}

.kz-home-hero-text { max-width: 56rem; }

.kz-home-hero-badge {
  display: inline-flex;
  margin-bottom: 1rem;
  border-radius: 999px;
  border: 1px solid rgba(255,255,255,0.3);
  background: rgba(255,255,255,0.1);
  padding: 0.375rem 1rem;
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.16em;
  color: rgba(255,255,255,0.9);
}

.kz-home-hero h1 {
  font-family: var(--font-heading);
  font-size: clamp(2.8rem, 7vw, 5.5rem);
  line-height: 0.95;
  letter-spacing: -0.02em;
  color: #fff;
}

.kz-home-hero-desc {
  margin-top: 1.25rem;
  max-width: 48rem;
  font-size: clamp(1rem, 1.8vw, 1.125rem);
  line-height: 1.75;
  color: rgba(255,255,255,0.85);
}

.kz-home-hero-dots {
  display: flex;
  gap: 0.5rem;
  margin-top: 2rem;
}

.kz-hero-dot {
  height: 0.625rem;
  border-radius: 999px;
  border: none;
  cursor: pointer;
  transition: all 300ms ease;
  background: rgba(255,255,255,0.45);
  width: 1.5rem;
}

.kz-hero-dot.active {
  width: 2.5rem;
  background: #fff;
}

/* ─── Sections ─── */
.kz-section { padding-top: 4rem; }

.kz-section-header { margin-bottom: 1.6rem; }

.kz-section-title {
  margin: 0;
  font-family: var(--font-heading);
  font-size: clamp(2rem, 4vw, 3rem);
  color: var(--kz-ink);
}

.kz-section-copy {
  margin-top: 0.65rem;
  color: var(--kz-muted);
  line-height: 1.65;
  max-width: 54rem;
}

/* ─── Grids ─── */
.kz-grid-2 {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1rem;
}

.kz-grid-3 {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1rem;
}

.kz-grid-12 {
  display: grid;
  gap: 2rem;
}

@media (min-width: 1024px) {
  .kz-grid-12 { grid-template-columns: repeat(12, minmax(0, 1fr)); }
  .kz-col-4 { grid-column: span 4; }
  .kz-col-5 { grid-column: span 5; }
  .kz-col-7 { grid-column: span 7; }
  .kz-col-8 { grid-column: span 8; }
}

@media (max-width: 1024px) {
  .kz-grid-3 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}

@media (max-width: 768px) {
  .kz-page { padding-bottom: 3.5rem; }
  .kz-hero { padding: 7.5rem 0 4rem; }
  .kz-grid-2,
  .kz-grid-3 { grid-template-columns: minmax(0, 1fr); }
}

/* ─── Card ─── */
.kz-card {
  height: 100%;
  padding: 1.35rem;
  border-radius: 1.2rem;
  border: 1px solid var(--kz-border);
  background: var(--kz-surface);
  box-shadow: 0 8px 24px rgba(13, 28, 37, 0.06);
}

.kz-card-title {
  margin: 0;
  color: var(--kz-ink);
  font-family: var(--font-heading);
  font-size: 1.5rem;
  line-height: 1.15;
}

.kz-card-copy {
  margin-top: 0.55rem;
  color: var(--kz-muted);
  line-height: 1.65;
}

.kz-card-link {
  margin-top: 1rem;
  display: inline-flex;
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--kz-primary);
}

/* ─── Meta / Badges ─── */
.kz-meta {
  display: inline-flex;
  align-items: center;
  padding: 0.28rem 0.72rem;
  border-radius: 999px;
  background: rgba(15, 111, 104, 0.1);
  color: var(--kz-primary);
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.kz-tag-accent {
  display: inline-flex;
  border-radius: 999px;
  background: rgba(179, 122, 46, 0.14);
  padding: 0.25rem 0.75rem;
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--kz-accent);
}

/* ─── List ─── */
.kz-list {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 0.65rem;
}

.kz-list-item {
  display: flex;
  align-items: flex-start;
  gap: 0.55rem;
  color: var(--kz-muted);
  line-height: 1.55;
}

.kz-list-item::before {
  content: "";
  margin-top: 0.52rem;
  width: 0.38rem;
  height: 0.38rem;
  border-radius: 999px;
  background: var(--kz-accent);
  flex-shrink: 0;
}

/* ─── Buttons ─── */
.kz-button-row {
  margin-top: 1.6rem;
  display: flex;
  flex-wrap: wrap;
  gap: 0.8rem;
}

.kz-button-primary,
.kz-button-secondary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.72rem 1.15rem;
  border-radius: 999px;
  font-size: 0.86rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  transition: 180ms ease;
  border: none;
  cursor: pointer;
}

.kz-button-primary {
  background: var(--kz-primary);
  color: #f4f8f6;
}

.kz-button-primary:hover {
  background: var(--kz-primary-strong);
}

.kz-button-secondary {
  border: 1px solid var(--kz-border);
  background: rgba(255, 253, 249, 0.75);
  color: var(--kz-ink);
}

.kz-button-secondary:hover {
  background: #ffffff;
}

.kz-button-hero-primary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.72rem 1.15rem;
  border-radius: 999px;
  font-size: 0.86rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  transition: 180ms ease;
  border: 1px solid transparent;
  background: var(--kz-primary);
  color: #fff;
  cursor: pointer;
}

.kz-button-hero-primary:hover { background: var(--kz-primary-strong); }

.kz-button-hero-secondary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.72rem 1.15rem;
  border-radius: 999px;
  font-size: 0.86rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  transition: 180ms ease;
  border: 1px solid rgba(255,255,255,0.4);
  background: rgba(255,255,255,0.1);
  color: #fff;
  cursor: pointer;
}

.kz-button-hero-secondary:hover { background: rgba(255,255,255,0.2); }

/* ─── Stat Block ─── */
.kz-stat-value {
  font-size: 2.5rem;
  font-weight: 600;
  color: var(--kz-primary);
}

.kz-stat-label {
  font-size: 0.875rem;
  color: var(--kz-muted);
}

/* ─── Societies Carousel ─── */
.kz-societies-track {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0.75rem;
}

@media (max-width: 1024px) {
  .kz-societies-track { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 640px) {
  .kz-societies-track { grid-template-columns: 1fr; }
}

.kz-society-card {
  border-radius: 0.75rem;
  border: 1px solid var(--kz-border);
  background: #fff;
  padding: 0.75rem 1rem;
  box-shadow: 0 1px 3px rgba(0,0,0,0.04);
  text-align: center;
}

.kz-society-card img {
  height: 4rem;
  width: 100%;
  object-fit: contain;
  margin: 0 auto;
}

.kz-society-name {
  margin-top: 0.5rem;
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--kz-ink);
}

/* ─── CTA Block ─── */
.kz-cta-block {
  border-color: rgba(15, 111, 104, 0.25);
  background: linear-gradient(135deg, rgba(15, 111, 104, 0.1), rgba(179, 122, 46, 0.12));
  text-align: center;
}

.kz-cta-block h2 {
  font-family: var(--font-heading);
  font-size: 2.5rem;
  color: var(--kz-ink);
}

.kz-cta-block p {
  margin: 0.75rem auto 0;
  max-width: 48rem;
  color: var(--kz-muted);
}

/* ─── Sticky sidebar ─── */
@media (min-width: 1024px) {
  .kz-sticky { position: sticky; top: 7rem; }
}

/* ─── Forms ─── */
.kz-input {
  display: block;
  width: 100%;
  border-radius: 0.75rem;
  border: 1px solid var(--kz-border);
  background: #fff;
  padding: 0.75rem 1rem;
  font-family: var(--font-body);
  font-size: 0.875rem;
  outline: none;
  transition: border-color 180ms ease;
}

.kz-input:focus { border-color: var(--kz-primary); }

.kz-form-grid {
  display: grid;
  gap: 0.75rem;
}

/* ─── Gallery ─── */
.kz-gallery-img {
  width: 100%;
  height: 18rem;
  object-fit: cover;
  border-radius: 0.75rem;
}

/* ─── Footer ─── */
.kz-footer {
  margin-top: auto;
  border-top: 1px solid var(--kz-border);
  background: var(--kz-surface);
}

.kz-footer-grid {
  display: grid;
  gap: 2.5rem;
  padding: 3.5rem 0;
}

@media (min-width: 768px) {
  .kz-footer-grid { grid-template-columns: 5fr 7fr; }
}

.kz-footer-brand h2 {
  font-family: var(--font-heading);
  font-size: 2.5rem;
  color: var(--kz-ink);
}

.kz-footer-brand p {
  margin-top: 0.75rem;
  max-width: 28rem;
  font-size: 0.875rem;
  line-height: 1.75;
  color: var(--kz-muted);
}

.kz-footer-links {
  display: grid;
  gap: 2rem;
  grid-template-columns: repeat(3, 1fr);
}

.kz-footer-col h3 {
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.14em;
  color: var(--kz-primary);
}

.kz-footer-col ul {
  margin-top: 1rem;
  display: grid;
  gap: 0.625rem;
}

.kz-footer-col a {
  font-size: 0.875rem;
  color: var(--kz-muted);
  transition: color 180ms ease;
}

.kz-footer-col a:hover { color: var(--kz-primary); }

.kz-footer-bottom {
  border-top: 1px solid rgba(213, 221, 217, 0.8);
  padding: 1rem 0;
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 0.5rem;
  font-size: 0.75rem;
  color: var(--kz-muted);
}

/* ─── Animations ─── */
.kz-fade-up {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 450ms cubic-bezier(0.22, 1, 0.36, 1),
              transform 450ms cubic-bezier(0.22, 1, 0.36, 1);
}

.kz-fade-up.visible {
  opacity: 1;
  transform: translateY(0);
}

/* ─── WordPress specific ─── */
.wp-block-image img { border-radius: 0.75rem; }
.entry-content p { line-height: 1.65; color: var(--kz-muted); }
.entry-content h2 { font-family: var(--font-heading); color: var(--kz-ink); }

/* Screen reader text */
.screen-reader-text {
  clip: rect(1px, 1px, 1px, 1px);
  position: absolute !important;
  height: 1px;
  width: 1px;
  overflow: hidden;
}