/* فونت ها */

@font-face {
  font-family: vazir;
  src: url(../fonts/Vazirmatn-VariableFont_wght.ttf);
}

/* فونت صفحات */

* {
  font-family: vazir, sans-serif;
  font-feature-settings: "ss01";
}

/* متغیر ها */

:root {
  --body-bg: #1f242d;
  --link-color: #fff;
  --nav-bg: slateblue;
  --btn1-bg: #ff6a1c;
  --nav-h: 72px;
}

/* base */

@keyframes show-content {
  100% {
    visibility: visible;
    opacity: 1;
  }
}

html {
  scroll-behavior: smooth;
}

body {
  background: var(--body-bg);
}

body.menu-open {
  overflow: hidden;
}

body::before {
  content: "";
  position: fixed;
  top: -20%;
  right: -10%;
  width: 600px;
  height: 600px;
  background: radial-gradient(
    circle,
    rgba(255, 107, 53, 0.12) 0%,
    transparent 70%
  );
  pointer-events: none;
  z-index: 0;
}

body::after {
  content: "";
  position: fixed;
  bottom: -20%;
  left: -10%;
  width: 500px;
  height: 500px;
  background: radial-gradient(
    circle,
    rgba(255, 53, 104, 0.08) 0%,
    transparent 70%
  );
  pointer-events: none;
  z-index: 0;
}

a {
  color: var(--link-color);
  text-decoration: none;
}

.orange {
  color: var(--btn1-bg);
  font-weight: bold;
}

/* header/navbar */

#header {
  position: sticky;
  top: 0;
  z-index: 100;
  width: 100%;
}

.header {
  /* From https://css.glass */
  background: rgba(255, 255, 255, 0);
  border-radius: 16px;
  box-shadow: 0 4px 30px rgba(0, 0, 0, 0.1);
  backdrop-filter: blur(15.2px);
  -webkit-backdrop-filter: blur(15.2px);
}

.header .navbar {
  width: 100%;
  padding: 24px 9%;
  display: flex;
  justify-content: space-between;
  align-items: center;
  z-index: 100;
  box-sizing: border-box;
  visibility: hidden;
  opacity: 0;
  animation: show-content 1.5s linear forwards;
  animation-delay: 1.2s;
}

.header .navbar .logo {
  display: flex;
  align-items: center;
}

.header .navbar .logo img {
  height: 50px;
  width: auto;
  object-fit: contain;
}

/* .header .navbar .logo img {
    width: 50px;
    height: auto;
    display: block;
} */

.header .navbar ul {
  display: flex;
}

.header .navbar ul li {
  list-style: none;
  margin-left: 35px;
}

.header .navbar ul li a {
  position: relative;
  padding-bottom: 8px;
  font-size: 20px;
  font-weight: 500;
  transition: 0.5s;
}

.header .navbar ul li a::after {
  content: "";
  position: absolute;
  bottom: 0;
  left: 0;
  width: 100%;
  height: 2px;
  background: var(--btn1-bg);
  transform: scaleX(0);
  transition: transform 0.3s ease;
}

.header .navbar ul li:hover a::after,
.header .navbar ul li.active a::after {
  transform: scaleX(1);
}

.header .navbar ul li:hover a,
.header .navbar ul li.active a {
  color: var(--btn1-bg);
}

/* hero section */

.hero {
  display: flex;
  align-items: center;
  height: calc(100vh - var(--nav-h));
  padding: 0 9%;
  color: var(--link-color);
  visibility: hidden;
  opacity: 0;
  animation: show-content 1.5s linear forwards;
  animation-delay: 1.6s;
  gap: 60px;
  justify-content: space-between;
  position: relative;
  z-index: 1;
}

.hero-info {
  flex: 1;
  max-width: 60%;
  padding: 3%;
  background: rgba(255, 255, 255, 0);
  border-radius: 16px;
  box-shadow: 14px 14px 15px rgba(0, 0, 0, 0.1);
  backdrop-filter: blur(15.2px);
  -webkit-backdrop-filter: blur(15.2px);
}

.hero-info h1 {
  font-size: 55px;
  color: var(--btn1-bg);
}

.hero-info h2 {
  font-size: 32px;
  margin-top: -10px;
}

.hero-info h2 span {
  position: relative;
  display: inline-block;
  color: transparent;
  -webkit-text-stroke: 0.7px var(--btn1-bg);
  /* animation: display-text 2s linear infinite; */
  animation-delay: calc(-4s * var(--i));
}

@keyframes display-text {
  25%,
  100% {
    display: none;
  }
}

.hero-info h2 span::before {
  content: attr(data-text);
  position: absolute;
  width: 0;
  border-left: 2px solid var(--btn1-bg);
  color: var(--btn1-bg);
  white-space: nowrap;
  overflow: hidden;
  animation: fill-text 4s linear infinite;
}

@keyframes fill-text {
  10%,
  100% {
    width: 0;
  }
  70%,
  90% {
    width: 100%;
  }
}

.hero-info p {
  font-size: 16px;
  margin: 10px 0 25px;
  text-align: justify;
  line-height: 1.8;
}

.hero-info .btn-sci {
  display: flex;
  align-items: center;
}

.btn {
  line-height: 1;
  display: inline-flex;
  justify-content: center;
  align-items: center;
  display: inline-block;
  padding: 10px 30px;
  background: var(--btn1-bg);
  border: 2px solid var(--btn1-bg);
  border-radius: 40px;
  box-shadow: 0 0 10px var(--btn1-bg);
  font-size: 16px;
  color: var(--body-bg);
  font-weight: 600;
  transition: 0.5s;
}

.btn:hover {
  background: transparent;
  color: var(--btn1-bg);
  box-shadow: none;
}

.hero-info .btn-sci .sci {
  margin-left: 15px;
}

.hero-info .btn-sci .sci a {
  display: inline-flex;
  padding: 8px;
  border: 2px solid var(--btn1-bg);
  border-radius: 50%;
  background: var(--link-color);
  font-size: 20px;
  color: var(--btn1-bg);
  margin: 0 8px;
  transition: 0.5s;
}

.hero-info .btn-sci .sci a:hover {
  background: var(--btn1-bg);
  color: var(--body-bg);
  box-shadow: 0 0 10px var(--btn1-bg);
}

/* نصویر هیرو */

.hero-img {
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: center;
}

.hero-img .img-box {
  position: relative;
  width: 32vw;
  height: 32vw;
  border-radius: 50%;
  padding: 5px;
  display: flex;
  justify-content: center;
  align-items: center;
  overflow: hidden;
}

.hero-img .img-box::before,
.hero-img .img-box::after {
  content: "";
  position: absolute;
  width: 100%;
  height: 100%;
  background: conic-gradient(transparent, transparent, transparent, #ff6a1c);
  transform: rotate(0deg);
  animation: rotate-border 7s linear infinite;
}

.hero-img .img-box::after {
  animation-delay: -4s;
}

@keyframes rotate-border {
  100% {
    transform: rotate(360deg);
  }
}

.hero-img .img-box .img-item {
  position: relative;
  width: 100%;
  height: 100%;
  background: var(--body-bg);
  border: 0.1 solid var(--body-bg);
  border-radius: 50%;
  display: flex;
  justify-content: center;
  overflow: hidden;
  z-index: 1;
}

.hero-img .img-box .img-item img {
  position: absolute;
  top: 30px;
  display: block;
  width: 85%;
  object-fit: cover;
  mix-blend-mode: lighten;
}

/* انیمیشین لود صفحه */

.loader-overlay {
  position: fixed;
  inset: 0;
  background: var(--body-bg);
  z-index: 9999;
  display: flex;
  justify-content: center;
  align-items: center;
  transition: opacity 0.5s ease;
}

@keyframes loader-hide {
  to {
    opacity: 0;
    pointer-events: none;
  }
}

.loader-spinner {
  width: 50px;
  height: 50px;
  border: 3px solid transparent;
  border-top-color: var(--btn1-bg);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
}

@keyframes spin {
  to {
    transform: rotate(360deg);
  }
}

.hole {
  width: 100%;
  height: 800px;
}

/* بخش skills */

.skills {
  padding: 80px 9%;
  color: var(--link-color);
}

.section-title {
  font-size: 36px;
  font-weight: 700;
  color: var(--btn1-bg);
  margin-bottom: 50px;
  text-align: right;
}

.skills-group {
  margin-bottom: 50px;
}

.group-title {
  font-size: 20px;
  font-weight: 600;
  color: var(--link-color);
  margin-bottom: 24px;
  opacity: 0.7;
}

.skills-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}

.skills-grid.learning {
  grid-template-columns: repeat(4, 1fr);
}

.skill-card {
  /* From https://css.glass */
  background: rgba(255, 255, 255, 0.0392156862745098);
  border-radius: 16px;
  box-shadow: 0 4px 30px rgba(0, 0, 0, 0.1);
  backdrop-filter: blur(9.1px);
  -webkit-backdrop-filter: blur(9.1px);
  border: 1px solid rgba(255, 255, 255, 0.14);
  border-radius: 16px;
  padding: 28px 20px;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 12px;
  transition: 0.3s ease;
  cursor: default;
  opacity: 0;
  transform: translateY(24px);
  transition:
    opacity 0.4s ease,
    transform 0.4s ease;
}

.skill-card.visible {
  opacity: 1;
  transform: translateY(0);
}
/* هر کارت دیر تر از قبلی ظاهر بشه */
.skill-card:nth-child(1) {
  transition-delay: 0.1s;
}
.skill-card:nth-child(2) {
  transition-delay: 0.2s;
}
.skill-card:nth-child(3) {
  transition-delay: 0.3s;
}
.skill-card:nth-child(4) {
  transition-delay: 0.4s;
}
.skill-card:nth-child(5) {
  transition-delay: 0.5s;
}
.skill-card:nth-child(6) {
  transition-delay: 1s;
}

.skill-card:hover {
  transform: translateY(-6px);
  border-color: rgba(255, 106, 28, 0.4);
  box-shadow: 0 8px 30px rgba(255, 106, 28, 0.15);
}

.skill-icon {
  width: 56px;
  height: 56px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.skill-icon img {
  width: 100%;
  height: 100%;
  object-fit: contain;
}

.skill-card h4 {
  font-size: 16px;
  font-weight: 600;
}

.skill-tag {
  font-size: 12px;
  padding: 4px 12px;
  border-radius: 20px;
  background: rgba(255, 106, 28, 0.15);
  color: var(--btn1-bg);
  border: 1px solid rgba(255, 106, 28, 0.3);
}

.learning-tag {
  background: rgba(255, 255, 255, 0.05);
  color: rgba(255, 255, 255, 0.5);
  border-color: rgba(255, 255, 255, 0.1);
}

/* بخش خدمات - استایل ترمینال */

.services {
  padding: 80px 9%;
  color: var(--link-color);
}

.services-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
}

.service-card {
  background: #14171d;
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 12px;
  overflow: hidden;
  font-family: monospace;
  transition:
    transform 0.35s ease,
    box-shadow 0.35s ease;
}

.service-card:hover {
  transform: translateY(-6px);
  box-shadow: 0 12px 40px rgba(0, 0, 0, 0.4);
}

.terminal-bar {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 12px 16px;
  background: #1c2028;
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
}

.terminal-dot {
  width: 11px;
  height: 11px;
  border-radius: 50%;
}

.terminal-dot.red {
  background: #ff5f56;
}
.terminal-dot.yellow {
  background: #ffbd2e;
}
.terminal-dot.green {
  background: #27c93f;
}

.terminal-title {
  margin-right: auto;
  font-size: 12px;
  color: rgba(255, 255, 255, 0.35);
}

.terminal-body {
  padding: 26px 24px 30px;
}

.terminal-comment {
  color: rgba(255, 255, 255, 0.35);
  font-size: 13px;
  margin-bottom: 10px;
}

.terminal-comment::before {
  content: "// ";
}

.terminal-line {
  font-size: 15px;
  line-height: 1.9;
  margin-bottom: 6px;
}

.terminal-key {
  color: #c792ea;
}

.terminal-func {
  color: var(--btn1-bg);
}

.terminal-string {
  color: #7cffb2;
}

.terminal-desc {
  margin-top: 14px;
  font-family: vazir, sans-serif;
  font-size: 14px;
  line-height: 1.8;
  color: rgba(255, 255, 255, 0.65);
  border-right: 2px solid var(--btn1-bg);
  padding-right: 12px;
}

.cursor-blink {
  display: inline-block;
  width: 8px;
  height: 16px;
  background: var(--btn1-bg);
  margin-right: 4px;
  animation: blink 1s step-end infinite;
  vertical-align: middle;
}

@keyframes blink {
  50% {
    opacity: 0;
  }
}

/* contact / form */

.contact {
  padding: 80px 9%;
  color: var(--link-color);
}

.contact-wrapper {
  display: grid;
  grid-template-columns: 1fr 1.5fr;
  gap: 60px;
  align-items: start;
}

.contact-info {
  display: flex;
  flex-direction: column;
  gap: 24px;
}

.contact-item {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 16px;
  border-radius: 12px;
  border: 1px solid rgba(255, 255, 255, 0.07);
  background: rgba(255, 255, 255, 0.03);
  transition: 0.3s ease;
}

.contact-item:hover {
  border-color: rgba(255, 106, 28, 0.4);
  background: rgba(255, 106, 28, 0.05);
  transform: translateX(-6px);
}

.contact-icon {
  width: 44px;
  height: 44px;
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: center;
}

.contact-icon img {
  width: 100%;
  height: 100%;
  object-fit: contain;
}

.contact-detail {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.contact-label {
  font-size: 12px;
  color: rgba(255, 255, 255, 0.4);
}

.contact-value {
  font-size: 14px;
  color: var(--link-color);
}

/* فرم */

.contact-form {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.form-group input,
.form-group textarea {
  width: 100%;
  padding: 14px 18px;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.07);
  border-radius: 12px;
  color: var(--link-color);
  font-family: vazir, sans-serif;
  font-size: 15px;
  transition: 0.3s ease;
  outline: none;
}

.form-group input:focus,
.form-group textarea:focus {
  border-color: rgba(255, 106, 28, 0.5);
  background: rgba(255, 106, 28, 0.04);
}

.form-group textarea {
  resize: vertical;
  min-height: 140px;
}

::placeholder {
  color: rgba(255, 255, 255, 0.3);
}

.contact-form .btn {
  align-self: flex-end;
}

/* footer */

.footer {
  padding: 28px 9%;
  border-top: 1px solid rgba(255, 255, 255, 0.07);
  color: var(--link-color);
}

.footer-wrapper {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.footer-copy {
  font-size: 14px;
  color: rgba(255, 255, 255, 0.4);
}

.footer-social {
  display: flex;
  gap: 16px;
}

.footer-social a {
  width: 36px;
  height: 36px;
  display: flex;
  align-items: center;
  justify-content: center;
  border: 2px solid var(--btn1-bg);
  border-radius: 50%;
  transition: 0.3s ease;
  background: var(--link-color);
  transition: 0.5s;
}

.footer-social a:hover {
  background: var(--btn1-bg);
  color: var(--body-bg);
  box-shadow: 0 0 10px var(--btn1-bg);
}

.footer-social a:hover {
  border-color: rgba(255, 106, 28, 0.4);
  box-shadow: 0 0 10px rgba(255, 106, 28, 0.15);
}

.footer-social a img {
  width: 18px;
  height: 18px;
  object-fit: contain;
}

.footer .logo {
  display: flex;
  align-items: center;
}

.footer .logo img {
  height: 32px;
  width: auto;
}

/* صفحه ۴۰۴ */

.error-page {
  min-height: calc(100vh - var(--nav-h));
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 0 9%;
  color: var(--link-color);
}

.error-code {
  font-size: clamp(80px, 18vw, 160px);
  font-weight: 800;
  color: var(--btn1-bg);
  line-height: 1;
  text-shadow: 0 0 40px rgba(255, 106, 28, 0.25);
}

.error-page h1 {
  font-size: 28px;
  font-weight: 700;
  margin-top: 16px;
  margin-bottom: 14px;
}

.error-page p {
  font-size: 16px;
  line-height: 1.8;
  color: rgba(255, 255, 255, 0.6);
  max-width: 480px;
  margin-bottom: 32px;
}