/* ===== المتغيرات الأساسية ===== */
:root {
  color-scheme: dark;
  --bg: #0b111b;
  --surface: #111c29;
  --text: #f1f5fa;
  --muted: #aab7c8;
  --accent: #79d9ec;
  --line: rgba(170, 195, 220, .16);
  --radius: 22px;
  --header-height: 88px;
}

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

html {
  scroll-behavior: smooth;
  scroll-padding-top: calc(var(--header-height) + 24px);
}

body {
  margin: 0;
  background:
    radial-gradient(
      ellipse at 90% 10%,
      #153045 0,
      transparent 38%
    ),
    var(--bg);
  color: var(--text);
  font-family:
    Inter,
    system-ui,
    -apple-system,
    BlinkMacSystemFont,
    "Segoe UI",
    sans-serif;
  font-size: 16px;
  line-height: 1.7;
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  background: rgba(11, 17, 27, .86);
  z-index: -1;
  pointer-events: none;
}

.background-video {
  position: fixed;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  z-index: -2;
}

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

button,
input,
textarea {
  font: inherit;
}

button,
a,
input,
textarea {
  -webkit-tap-highlight-color: transparent;
}

button {
  cursor: pointer;
}

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

p {
  margin: 0 0 18px;
}

h1,
h2,
h3 {
  margin: 0;
  line-height: 1.15;
  letter-spacing: -.045em;
}

h2 {
  font-size: clamp(30px, 3.7vw, 46px);
  font-weight: 600;
}

h3 {
  font-size: 23px;
  letter-spacing: -.025em;
}

::selection {
  background: var(--accent);
  color: var(--bg);
}

:focus-visible {
  outline: 3px solid var(--accent);
  outline-offset: 5px;
}

[hidden] {
  display: none !important;
}

.container {
  width: min(1180px, calc(100% - 80px));
  margin-inline: auto;
}

.accent {
  color: var(--accent);
}

.section {
  padding-block: 88px;
  border-top: 1px solid var(--line);
}

.eyebrow {
  color: var(--accent);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: .15em;
  line-height: 1.7;
  margin-bottom: 20px;
}

.text-link {
  font-weight: 500;
  font-size: 14px;
  display: inline-block;
  text-underline-offset: 6px;
}

.text-link:hover {
  text-decoration: underline;
  color: var(--accent);
}

.skip-link {
  position: fixed;
  top: 10px;
  left: 12px;
  background: var(--accent);
  color: var(--bg);
  padding: 12px;
  z-index: 2000;
  transform: translateY(-160%);
}

.skip-link:focus {
  transform: translateY(0);
}

/* ===== الهيدر والقائمة ===== */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(11, 17, 27, .94);
  border-bottom: 1px solid var(--line);
  backdrop-filter: blur(18px);
}

.header-inner {
  min-height: var(--header-height);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.brand {
  font-size: 25px;
  font-weight: 700;
  letter-spacing: -1px;
  line-height: 1.1;
}

.brand-note {
  display: block;
  font-size: 8px;
  letter-spacing: .22em;
  color: var(--muted);
  margin-top: 7px;
  font-weight: 500;
}

nav {
  display: flex;
  align-items: center;
  gap: 28px;
}

nav a {
  font-size: 13px;
  color: var(--muted);
  padding-block: 14px;
  transition: color .2s;
}

nav a:hover,
nav a[aria-current] {
  color: var(--accent);
}

.nav-toggle {
  width: 44px;
  height: 44px;
  border: 1px solid var(--line);
  border-radius: 10px;
  background: var(--surface);
  padding: 11px;
}

.nav-toggle span {
  display: block;
  height: 2px;
  background: var(--text);
  margin: 5px 0;
  transition: transform .2s;
}

.nav-toggle[aria-expanded="true"] span:first-child {
  transform: translateY(3.5px) rotate(45deg);
}

.nav-toggle[aria-expanded="true"] span:last-child {
  transform: translateY(-3.5px) rotate(-45deg);
}

/* ===== الرئيسية ===== */
.hero {
  padding-top: 76px;
  display: grid;
  grid-template-columns: 1.15fr 1fr;
  align-items: center;
  gap: 48px;
}

.hero h1 {
  font-size: clamp(52px, 6.6vw, 86px);
  font-weight: 600;
  line-height: 1.02;
  margin-bottom: 28px;
}

.status-dot {
  display: inline-block;
  background: var(--accent);
  width: 7px;
  height: 7px;
  border-radius: 50%;
  margin-right: 7px;
}

.hero-lead {
  font-size: clamp(19px, 2vw, 23px);
  line-height: 1.5;
  color: #dce6f1;
  letter-spacing: -.02em;
}

.hero-summary {
  color: var(--muted);
  max-width: 470px;
  font-size: 15px;
}

.actions {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 30px;
}

.button {
  min-height: 48px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 16px;
  padding: 13px 20px;
  border: 1px solid transparent;
  border-radius: 9px;
  font-size: 13px;
  font-weight: 600;
  transition: background .2s, transform .2s;
}

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

.primary {
  background: var(--accent);
  color: #091820;
}

.primary:hover {
  background: #a5e9f5;
}

.secondary {
  background: rgba(17, 28, 41, .6);
  border-color: var(--line);
  color: var(--text);
}

.secondary:hover {
  background: #203346;
}

.hero-link {
  margin-top: 22px;
  color: var(--muted);
}

/* ===== الصورة الشخصية: نفس تنسيقك ===== */
.portrait-card {
  align-self: stretch;
  position: relative;
  min-width: 0;
  min-height: 460px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
  background: radial-gradient(
    ellipse at 50% 60%,
    #285064 0,
    #142838 48%,
    #101c29 80%
  );
  display: flex;
  align-items: flex-end;
  isolation: isolate;
}

.portrait-label {
  position: absolute;
  top: 26px;
  left: 26px;
  color: #b6cddb;
  font-size: 9px;
  letter-spacing: .18em;
  z-index: 2;
}

.portrait-card img {
  width: 100%;
  height: 100%;
  max-height: 560px;
  object-fit: contain;
  object-position: center bottom;
  position: relative;
  z-index: 1;
  padding-top: 52px;
}

.portrait-orbit {
  position: absolute;
  border: 1px solid rgba(121, 217, 236, .28);
  width: 85%;
  aspect-ratio: 1;
  border-radius: 50%;
  left: 7.5%;
  top: 20%;
  box-shadow:
    0 0 0 30px rgba(121, 217, 236, .025),
    0 0 0 60px rgba(121, 217, 236, .025);
}


.hero-bottom {
  grid-column: 1 / -1;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 20px;
  padding: 22px 0 30px;
  color: var(--muted);
  font-size: 9px;
  letter-spacing: .08em;
}

.hero-bottom a {
  font-size: 12px;
  letter-spacing: 0;
  white-space: nowrap;
}

/* ===== المشاريع ===== */
.section-heading {
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  gap: 40px;
  margin-bottom: 38px;
}

.section-heading > p {
  max-width: 285px;
  font-size: 14px;
  color: var(--muted);
  margin: 0;
}

.projects {
  display: grid;
  gap: 26px;
}

.project-card {
  display: grid;
  grid-template-columns: .95fr 1.2fr;
  background: rgba(17, 28, 41, .9);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
}

.project-visual {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  background: radial-gradient(
    ellipse at center,
    #20394b,
    #0e1c28
  );
  min-width: 0;
  padding: 28px;
}

/* الفيديو وجميع صور المشاريع مربعة وبنفس القياس */
.project-media {
  display: block;
  width: 100%;
  height: auto;
  max-height: none;
  aspect-ratio: 1 / 1;
  object-fit: cover;
  object-position: center;
  border-radius: 10px;
  background: #0b1520;
}

.project-number {
  position: absolute;
  top: 17px;
  left: 20px;
  font-size: 10px;
  color: var(--muted);
  letter-spacing: .12em;
}

.project-info {
  padding: 38px;
}

.project-info .eyebrow {
  font-size: 10px;
  margin-bottom: 12px;
}

.project-info h3 {
  font-size: clamp(25px, 2.7vw, 34px);
}

.project-subtitle {
  font-size: 13px;
  color: var(--accent) !important;
  margin: 12px 0 18px;
}

.project-info p,
.project-points {
  font-size: 14px;
  color: var(--muted);
  line-height: 1.75;
}

.project-points {
  padding-left: 18px;
  margin: 0 0 22px;
}

.project-points li + li {
  margin-top: 6px;
}

.tags {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.tags li {
  font-size: 11px;
  padding: 5px 10px;
  color: #cbdce9;
  border: 1px solid var(--line);
  border-radius: 6px;
  background: rgba(121, 217, 236, .035);
}

.project-info .text-link {
  margin-top: 22px;
  color: var(--accent);
}

.project-info .project-credit {
  font-size: 11px;
  margin: 22px 0 0;
  color: var(--muted);
}

/* ===== نبذة عني ===== */
.about-grid {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: 70px;
}

.about-copy {
  color: var(--muted);
  font-size: 15px;
}

.about-copy .large-copy {
  color: var(--text);
  font-size: 23px;
  line-height: 1.5;
  letter-spacing: -.025em;
}

.about-copy .text-link {
  margin-top: 10px;
  color: var(--accent);
}

/* ===== المهارات ===== */
.skills-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 16px;
}

.skill-card {
  padding: 26px 22px;
  border: 1px solid var(--line);
  border-radius: 16px;
  background: rgba(17, 28, 41, .7);
  transition: border-color .2s, transform .2s;
}

.skill-card:hover {
  border-color: rgba(121, 217, 236, .5);
  transform: translateY(-4px);
}

.skill-index {
  font-size: 11px;
  color: var(--accent);
}

.skill-card h3 {
  font-size: 19px;
  line-height: 1.4;
  margin: 25px 0 20px;
  min-height: 54px;
}

/* ===== التعليم والتدريب ===== */
.education-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
}

.edu-card {
  display: flex;
  align-items: center;
  gap: 24px;
  padding: 28px;
  border: 1px solid var(--line);
  border-radius: 16px;
  background: rgba(17, 28, 41, .7);
}

/* إزالة الفراغ الداخلي وجعل الشعار يملأ المربع */
.edu-logo {
  flex: 0 0 76px;
  width: 76px;
  height: 76px;
  padding: 0;
  background: #f5f7fa;
  border-radius: 12px;
  overflow: hidden;
}

.edu-logo img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
}

.edu-card .eyebrow {
  font-size: 9px;
  margin: 0 0 10px;
}

.edu-card h3 {
  font-size: 19px;
  line-height: 1.4;
  margin-bottom: 8px;
}

.edu-card p {
  font-size: 12px;
  color: var(--muted);
  margin: 0;
}

.edu-card .edu-org {
  color: var(--accent);
  margin-top: 6px;
}

/* ===== التواصل ===== */
.contact-wrap {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  padding: 48px;
  border-radius: var(--radius);
  border: 1px solid var(--line);
  background: linear-gradient(
    130deg,
    #132b3a,
    #101b29 65%
  );
}

.contact-copy h2 {
  font-size: clamp(30px, 3.3vw, 42px);
}

.contact-copy > p:not(.eyebrow) {
  color: var(--muted);
  margin-top: 24px;
  font-size: 14px;
  max-width: 340px;
}

.contact-copy .actions {
  gap: 22px;
}

.field {
  margin-bottom: 18px;
}

.field label {
  display: block;
  font-size: 12px;
  margin-bottom: 8px;
  color: #d8e5ee;
}

input,
textarea {
  width: 100%;
  border: 1px solid #354758;
  background: #0b1723;
  color: var(--text);
  border-radius: 8px;
  padding: 13px 14px;
  font-size: 14px;
}

input::placeholder,
textarea::placeholder {
  color: #92a4b5;
}

textarea {
  resize: vertical;
  min-height: 135px;
}

#contact-form .button {
  width: 100%;
}

.button:disabled {
  opacity: .65;
  cursor: wait;
  transform: none;
}

.form-status {
  min-height: 24px;
  margin: 12px 0 0;
  font-size: 12px;
  color: var(--muted);
}

.form-status[data-state="error"] {
  color: #ffb7b7;
}

.form-status[data-state="success"] {
  color: var(--accent);
}

/* ===== الفوتر ===== */
.site-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  border-top: 1px solid var(--line);
  padding-block: 28px;
  color: var(--muted);
  font-size: 11px;
}

.site-footer p {
  margin: 0;
}

.site-footer > div {
  display: flex;
  align-items: center;
  gap: 24px;
}

.motion-toggle {
  background: transparent;
  color: var(--muted);
  border: 1px solid var(--line);
  border-radius: 6px;
  padding: 8px 10px;
  font-size: 11px;
}

.site-footer .text-link {
  font-size: 11px;
}

/* ===== الشاشات الكبيرة ===== */
@media (min-width: 769px) {
  .nav-toggle {
    display: none;
  }
}

/* ===== الشاشات المتوسطة ===== */
@media (max-width: 1050px) {
  .container {
    width: calc(100% - 48px);
  }

  .hero {
    gap: 30px;
  }

  .hero h1 {
    font-size: 64px;
  }

  .portrait-card {
    min-height: 420px;
  }

  .skills-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .contact-wrap {
    gap: 32px;
    padding: 32px;
  }

  .edu-card {
    padding: 22px;
    gap: 16px;
  }

  .edu-logo {
    flex-basis: 64px;
    width: 64px;
    height: 64px;
  }

  .project-info {
    padding: 28px;
  }
}

/* ===== الجوال ===== */
@media (max-width: 768px) {
  :root {
    --header-height: 74px;
  }

  .container {
    width: calc(100% - 36px);
  }

  .header-inner {
    flex-wrap: wrap;
    gap: 0;
    padding-block: 15px;
  }

  .brand {
    font-size: 22px;
  }

  nav {
    width: 100%;
    flex-wrap: wrap;
    gap: 8px 20px;
    padding-top: 18px;
  }

  nav a {
    padding: 8px 0;
  }

  .nav-ready nav {
    display: none;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    padding-top: 15px;
  }

  .nav-ready nav.open {
    display: flex;
  }

  .nav-ready nav a {
    padding: 12px;
    border-top: 1px solid var(--line);
  }

  .hero {
    grid-template-columns: 1fr;
    padding-top: 44px;
    gap: 32px;
  }

  .hero h1 {
    font-size: clamp(48px, 11vw, 74px);
  }

  .hero .eyebrow {
    font-size: 9px;
  }

  .hero-summary {
    max-width: 540px;
  }

  .portrait-card {
    min-height: 0;
    height: 410px;
    max-width: 500px;
    width: 100%;
    justify-self: center;
  }

  .portrait-card img {
    height: 100%;
    padding-top: 35px;
  }

  .portrait-orbit {
    width: 65%;
    left: 17.5%;
  }

  .hero-bottom {
    padding-top: 0;
  }

  .hero-bottom > span {
    max-width: 210px;
    font-size: 8px;
  }

  .section {
    padding-block: 58px;
  }

  .section-heading {
    display: block;
    margin-bottom: 28px;
  }

  .section-heading > p {
    margin-top: 18px;
    max-width: 420px;
  }

  .project-card {
    grid-template-columns: 1fr;
  }

  .project-visual {
    padding: 28px 20px 20px;
  }

  /* الإبقاء على الشكل المربع في الجوال أيضًا */
  .project-media {
    aspect-ratio: 1 / 1;
    max-height: none;
  }

  .project-info {
    padding: 26px;
  }

  .about-grid {
    grid-template-columns: 1fr;
    gap: 25px;
  }

  .about-copy .large-copy {
    font-size: 21px;
  }

  .education-grid {
    grid-template-columns: 1fr;
  }

  .contact-wrap {
    grid-template-columns: 1fr;
    gap: 32px;
    padding: 26px;
  }

  .site-footer {
    align-items: flex-start;
    flex-direction: column;
  }

  .site-footer > div {
    flex-wrap: wrap;
    gap: 18px;
  }

  .eyebrow {
    margin-bottom: 15px;
  }
}

/* ===== الجوال الصغير ===== */
@media (max-width: 420px) {
  .skills-grid {
    grid-template-columns: 1fr;
  }

  .skill-card h3 {
    min-height: 0;
    margin-top: 14px;
  }

  .hero .actions {
    align-items: stretch;
    flex-direction: column;
  }

  .hero .button {
    width: 100%;
  }

  .portrait-card {
    height: 350px;
  }

  .project-info {
    padding: 22px;
  }

  .contact-wrap {
    padding: 22px;
  }

  .edu-card {
    align-items: flex-start;
  }

  .hero-bottom > a {
    font-size: 10px;
  }
}

/* ===== تقليل حركة الواجهة ===== */
@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  *,
  *::before,
  *::after {
    transition: none !important;
    animation: none !important;
  }

  .background-video {
    display: none;
  }

  .button:hover,
  .skill-card:hover {
    transform: none;
  }
}