meshkee/src/app/globals.css

@import "tailwindcss";

:root {
  --ink: #0e1116;
  --ink-soft: #2a313c;
  --muted: #5c6672;
  --line: #d5dbe3;
  --paper: #eef1f4;
  --paper-deep: #e2e7ee;
  --surface: #fafafa;
  --accent-from: #ff5a7a;
  --accent-to: #9c4dff;
  --accent: #c44db8;
  --accent-deep: #8b3adb;
  --glow: rgba(196, 77, 184, 0.16);
  --brand-gradient: linear-gradient(135deg, var(--accent-from), var(--accent-to));
  --background: var(--paper);
  --foreground: var(--ink);
  --header-height: 9rem;
}

@media (min-width: 1024px) {
  :root {
    --header-height: 11rem;
  }
}

@theme inline {
  --color-background: var(--background);
  --color-foreground: var(--foreground);
  --color-ink: var(--ink);
  --color-ink-soft: var(--ink-soft);
  --color-muted: var(--muted);
  --color-line: var(--line);
  --color-paper: var(--paper);
  --color-paper-deep: var(--paper-deep);
  --color-surface: var(--surface);
  --color-accent: var(--accent);
  --color-accent-deep: var(--accent-deep);
  --color-accent-from: var(--accent-from);
  --color-accent-to: var(--accent-to);
  --font-sans: var(--font-vazirmatn);
  --font-display: var(--font-montserrat);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  overflow-x: clip;
}

body {
  overflow-x: clip;
}

/* Rule: all interactive elements animate smoothly on hover */
button,
a {
  transition:
    background 0.25s ease,
    background-color 0.25s ease,
    color 0.25s ease,
    border-color 0.25s ease,
    box-shadow 0.25s ease,
    transform 0.2s ease,
    opacity 0.2s ease;
}

/* Headings: consistent weight matching hero h1 */
h1,
h2 {
  font-weight: 400;
  overflow-wrap: anywhere;
  word-break: break-word;
}

h3,
h4 {
  font-weight: 400;
}

::selection {
  background: color-mix(in srgb, var(--accent) 28%, white);
  color: var(--ink);
}

.latin {
  font-family: var(--font-montserrat), var(--font-vazirmatn), sans-serif;
  letter-spacing: 0.04em;
}

/* English subtitle under FA titles */
:is(h1, h2):has(+ .title-en) {
  margin-bottom: 0 !important;
}

.title-en {
  margin-top: 0.25rem;
  font-size: 0.8125rem;
  letter-spacing: 0.28em;
  text-transform: uppercase;
}

.title-en-sm {
  margin-top: 0.15rem;
  font-size: 0.7rem;
  letter-spacing: 0.22em;
  text-transform: uppercase;
}

.text-body {
  text-align: justify;
  text-justify: inter-word;
}

/* Gradient hover utilities */
/* Simple fade for primary CTAs */
.btn-primary {
  position: relative;
  isolation: isolate;
  background: var(--ink);
  color: var(--surface);
  cursor: pointer;
  transition: color 0.3s ease;
}

.btn-primary::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1;
  border-radius: inherit;
  background: var(--brand-gradient);
  opacity: 0;
  transition: opacity 0.3s ease;
}

.btn-primary:hover:not(:disabled) {
  color: #fff;
}

.btn-primary:hover:not(:disabled)::before {
  opacity: 1;
}

.btn-primary:disabled {
  cursor: not-allowed;
}

/* Outline CTA: opacity-only fades (no blink on mouse-out) */
.btn-outline {
  position: relative;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  isolation: isolate;
  border: 1px solid transparent;
  background-color: #fff;
  color: var(--ink-soft);
  cursor: pointer;
}

.btn-outline::before,
.btn-outline::after {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 0;
  border-radius: inherit;
  padding: 1px;
  pointer-events: none;
  transition: opacity 0.3s ease;
  -webkit-mask:
    linear-gradient(#fff 0 0) content-box,
    linear-gradient(#fff 0 0);
  mask:
    linear-gradient(#fff 0 0) content-box,
    linear-gradient(#fff 0 0);
  -webkit-mask-composite: xor;
  mask-composite: exclude;
}

.btn-outline::after {
  background: var(--line);
  opacity: 1;
}

.btn-outline::before {
  background: var(--brand-gradient);
  opacity: 0;
}

.btn-outline:hover::after {
  opacity: 0;
}

.btn-outline:hover::before {
  opacity: 1;
}

.btn-outline-label {
  position: relative;
  z-index: 1;
  display: inline-flex;
  align-items: center;
  gap: 0.375rem;
}

.btn-outline-label-base {
  transition: opacity 0.3s ease;
}

.btn-outline-label-grad {
  position: absolute;
  inset: 0;
  display: inline-flex;
  align-items: center;
  justify-content: inherit;
  gap: 0.375rem;
  background-image: var(--brand-gradient);
  background-clip: text;
  -webkit-background-clip: text;
  color: transparent;
  -webkit-text-fill-color: transparent;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.3s ease;
}

.btn-outline:hover .btn-outline-label-base {
  opacity: 0;
}

.btn-outline:hover .btn-outline-label-grad {
  opacity: 1;
}

.link-hover {
  display: inline-block;
  width: fit-content;
  max-width: 100%;
  background-image: var(--brand-gradient);
  background-clip: text;
  -webkit-background-clip: text;
  -webkit-text-fill-color: currentColor;
  color: inherit;
  transition:
    color 0.35s ease,
    -webkit-text-fill-color 0.35s ease;
}

.link-hover:hover {
  -webkit-text-fill-color: transparent;
  color: transparent;
}

/* Keep flex layout when the link is already a flex row (nav + icon) */
a.link-hover.inline-flex,
.link-hover.inline-flex {
  display: inline-flex;
}

/* Pill / button-style links: solid accent, no gradient fill */
a.link-hover.rounded-full,
.link-hover.rounded-full,
.link-hover.btn-primary {
  background-image: none;
  background-clip: unset;
  -webkit-background-clip: unset;
  -webkit-text-fill-color: unset;
}

a.link-hover.rounded-full:hover,
.link-hover.rounded-full:hover,
.link-hover.btn-primary:hover {
  color: var(--accent);
  -webkit-text-fill-color: var(--accent);
}

.border-hover {
  transition:
    border-color 0.25s ease,
    box-shadow 0.25s ease;
}

.border-hover:hover,
.group:hover .border-hover {
  border-color: transparent;
  background:
    linear-gradient(#fff, #fff) padding-box,
    var(--brand-gradient) border-box;
  box-shadow: 0 0 0 1px transparent;
}

.group-border-hover {
  transition:
    border-color 0.25s ease,
    box-shadow 0.25s ease;
}

.group-border-hover:hover,
.group:hover.group-border-hover,
.group:hover .group-border-hover,
a.group-border-hover:hover {
  border-color: color-mix(in srgb, var(--accent) 55%, white);
}

.group-text-hover {
  display: inline;
  background-image: var(--brand-gradient);
  background-clip: text;
  -webkit-background-clip: text;
  -webkit-text-fill-color: currentColor;
  color: inherit;
  transition:
    color 0.35s ease,
    -webkit-text-fill-color 0.35s ease;
}

.group:hover .group-text-hover {
  -webkit-text-fill-color: transparent;
  color: transparent;
}

.carousel-mask {
  -ms-overflow-style: none;
  scrollbar-width: none;
}

.carousel-mask::-webkit-scrollbar {
  display: none;
}

.carousel-track {
  animation: carousel-scroll 48s linear infinite;
  will-change: transform;
}

.carousel-track:hover {
  animation-play-state: paused;
}

@keyframes carousel-scroll {
  0% {
    transform: translateX(0);
  }
  100% {
    transform: translateX(-50%);
  }
}

.mesh-grid {
  background-image:
    linear-gradient(rgba(14, 17, 22, 0.035) 1px, transparent 1px),
    linear-gradient(90deg, rgba(14, 17, 22, 0.035) 1px, transparent 1px);
  background-size: 48px 48px;
  mask-image: radial-gradient(ellipse 70% 60% at 50% 30%, black 20%, transparent 75%);
}

.page-title-band {
  border-bottom: 1px solid rgba(14, 17, 22, 0.08);
  background-color: #fafafa;
  background-image:
    radial-gradient(rgba(14, 17, 22, 0.05) 1px, transparent 1px),
    linear-gradient(rgba(14, 17, 22, 0.02) 1px, transparent 1px),
    linear-gradient(90deg, rgba(14, 17, 22, 0.02) 1px, transparent 1px);
  background-size: 20px 20px, 40px 40px, 40px 40px;
}

.project-link-bar {
  position: fixed;
  inset-inline: 0;
  bottom: 0;
  z-index: 40;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  background-color: rgba(14, 17, 22, 0.94);
  background-image:
    radial-gradient(rgba(255, 255, 255, 0.09) 1px, transparent 1px),
    linear-gradient(rgba(255, 255, 255, 0.045) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.045) 1px, transparent 1px);
  background-size: 18px 18px, 36px 36px, 36px 36px;
  backdrop-filter: blur(10px);
}

.mesh-glow {
  background:
    radial-gradient(ellipse 55% 45% at 78% 35%, var(--glow), transparent 70%),
    radial-gradient(ellipse 40% 35% at 12% 70%, rgba(42, 49, 60, 0.08), transparent 65%),
    linear-gradient(165deg, #f5f7fa 0%, #e8edf3 48%, #eef2f6 100%);
}

@keyframes float-y {
  0%,
  100% {
    transform: translateY(0);
  }
  50% {
    transform: translateY(-12px);
  }
}

@keyframes rise-in {
  from {
    opacity: 0;
    transform: translateY(28px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes fade-in {
  from {
    opacity: 0;
  }
  to {
    opacity: 1;
  }
}

.animate-float {
  animation: float-y 7s ease-in-out infinite;
}

.reveal {
  opacity: 0;
  transform: translateY(28px);
  transition:
    opacity 0.8s cubic-bezier(0.22, 1, 0.36, 1),
    transform 0.8s cubic-bezier(0.22, 1, 0.36, 1);
}

.reveal.is-visible {
  opacity: 1;
  transform: translateY(0);
}

.reveal-delay-1 {
  transition-delay: 0.12s;
}
.reveal-delay-2 {
  transition-delay: 0.24s;
}
.reveal-delay-3 {
  transition-delay: 0.36s;
}

@media (prefers-reduced-motion: reduce) {
  .animate-float,
  .reveal,
  .carousel-track {
    animation: none !important;
    transition: none !important;
    opacity: 1 !important;
    transform: none !important;
  }
}

.prose-content {
  color: var(--ink-soft);
  font-size: 0.975rem;
  line-height: 2;
  text-align: justify;
  text-justify: inter-word;
}

.prose-content > *:first-child {
  margin-top: 0;
}

.prose-content p,
.prose-content ul,
.prose-content ol,
.prose-content blockquote,
.prose-content pre,
.prose-content table,
.prose-content figure {
  margin: 1.1em 0;
}

.prose-content h1,
.prose-content h2,
.prose-content h3,
.prose-content h4 {
  color: var(--ink);
  font-weight: 400;
  white-space: normal;
  margin: 1.6em 0 0.6em;
  line-height: 1.5;
}

.prose-content h2 {
  font-size: 1.35rem;
}

.prose-content h3 {
  font-size: 1.15rem;
}

.prose-content a {
  color: var(--accent);
  text-decoration: none;
  background-image: var(--brand-gradient);
  background-clip: text;
  -webkit-background-clip: text;
  -webkit-text-fill-color: currentColor;
  transition:
    color 0.35s ease,
    -webkit-text-fill-color 0.35s ease;
}

.prose-content a:hover {
  -webkit-text-fill-color: transparent;
  color: transparent;
}

.prose-content img {
  display: block;
  max-width: 100%;
  height: auto;
  margin: 1.5rem auto;
  border-radius: 1rem;
}

.prose-content ul,
.prose-content ol {
  padding-inline-start: 1.4rem;
}

.prose-content li {
  margin: 0.35em 0;
}

.prose-content blockquote {
  border-inline-start: 3px solid var(--line);
  padding-inline-start: 1rem;
  color: var(--muted);
}

.prose-content table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.9rem;
}

.prose-content th,
.prose-content td {
  border: 1px solid var(--line);
  padding: 0.55rem 0.75rem;
  text-align: start;
}

.footer-bottom-bar {
  border-top: 1px solid #e5e5e5;
  background: #f7f7f7;
}

.meshkee-credit {
  position: relative;
}

.meshkee-credit__frame {
  position: absolute;
  inset: 0;
  pointer-events: none;
}

.meshkee-credit__line {
  position: absolute;
  background: #c8c8c8;
  transition: transform 0.28s cubic-bezier(0.22, 1, 0.36, 1);
}

.meshkee-credit__line--l {
  top: 0;
  left: 0;
  width: 1px;
  height: 100%;
  transform: scaleY(0);
  transform-origin: top;
  transition-delay: 0s;
}

.meshkee-credit__line--b {
  bottom: 0;
  left: 0;
  width: 100%;
  height: 1px;
  transform: scaleX(0);
  transform-origin: left;
  transition-delay: 0.14s;
}

.meshkee-credit__line--r {
  top: 0;
  right: 0;
  width: 1px;
  height: 100%;
  transform: scaleY(0);
  transform-origin: bottom;
  transition-delay: 0.28s;
}

.meshkee-credit__line--t {
  top: 0;
  left: 0;
  width: 100%;
  height: 1px;
  transform: scaleX(0);
  transform-origin: right;
  transition-delay: 0.42s;
}

.meshkee-credit:hover .meshkee-credit__line--l,
.meshkee-credit:hover .meshkee-credit__line--r {
  transform: scaleY(1);
}

.meshkee-credit:hover .meshkee-credit__line--t,
.meshkee-credit:hover .meshkee-credit__line--b {
  transform: scaleX(1);
}

.meshkee-credit:not(:hover) .meshkee-credit__line--l {
  transition-delay: 0.42s;
}

.meshkee-credit:not(:hover) .meshkee-credit__line--b {
  transition-delay: 0.28s;
}

.meshkee-credit:not(:hover) .meshkee-credit__line--r {
  transition-delay: 0.14s;
}

.meshkee-credit:not(:hover) .meshkee-credit__line--t {
  transition-delay: 0s;
}