/* ============================================================
   Raheeq Rizwan — personal site
   Palette: warm paper + ink, single clay accent.
   Type:    Fraunces (display) / Karla (text)
   ============================================================ */

:root {
  --paper: #f7f3ec;
  --paper-2: #f1ebe1;
  --ink: #1c1a17;
  --ink-soft: #423d36;
  --muted: #6d675e;
  --clay: #b4553a;
  --clay-soft: rgba(180, 85, 58, 0.12);
  --line: rgba(28, 26, 23, 0.14);
  --line-soft: rgba(28, 26, 23, 0.07);

  --font-display: "Fraunces", "Iowan Old Style", Georgia, serif;
  --font-text: "Karla", "Helvetica Neue", Helvetica, sans-serif;

  --gutter: clamp(1.25rem, 5vw, 6rem);
  --measure: 62ch;
  --ease: cubic-bezier(0.22, 0.61, 0.36, 1);
}

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

html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--font-text);
  font-size: clamp(1rem, 0.96rem + 0.2vw, 1.0625rem);
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

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

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

h1,
h2,
h3 {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 400;
  letter-spacing: -0.02em;
  line-height: 1.02;
}

/* ---------- texture + a11y helpers ---------- */
.grain {
  position: fixed;
  inset: 0;
  z-index: 1;
  pointer-events: none;
  opacity: 0.4;
  mix-blend-mode: multiply;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='160' height='160'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.8' numOctaves='3'/%3E%3CfeColorMatrix type='saturate' values='0'/%3E%3C/filter%3E%3Crect width='160' height='160' filter='url(%23n)' opacity='0.22'/%3E%3C/svg%3E");
}

.skip-link {
  position: absolute;
  left: -9999px;
  top: 0;
  z-index: 100;
  padding: 0.75rem 1rem;
  background: var(--ink);
  color: var(--paper);
}
.skip-link:focus {
  left: 0;
}

:focus-visible {
  outline: 2px solid var(--clay);
  outline-offset: 3px;
  border-radius: 2px;
}

/* ============================================================
   NAV
   ============================================================ */
.nav {
  position: sticky;
  top: 0;
  z-index: 20;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 1rem var(--gutter);
  background: color-mix(in srgb, var(--paper) 86%, transparent);
  backdrop-filter: blur(10px) saturate(1.1);
  border-bottom: 1px solid var(--line-soft);
}

.nav__mark {
  display: flex;
  align-items: baseline;
  gap: 0.6rem;
}

.nav__monogram {
  font-family: var(--font-display);
  font-size: 1.05rem;
  letter-spacing: 0.02em;
  color: var(--clay);
}

.nav__name {
  font-size: 0.9rem;
  font-weight: 500;
  letter-spacing: 0.01em;
}

.nav__links {
  display: flex;
  gap: clamp(0.85rem, 2.2vw, 2rem);
  font-size: 0.85rem;
  letter-spacing: 0.04em;
  text-transform: lowercase;
  color: var(--muted);
}

.nav__links a {
  position: relative;
  padding-bottom: 2px;
  transition: color 0.25s var(--ease);
}

.nav__links a::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: 0;
  width: 100%;
  height: 1px;
  background: var(--clay);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.35s var(--ease);
}

.nav__links a:hover,
.nav__links a.is-active {
  color: var(--ink);
}

.nav__links a:hover::after,
.nav__links a.is-active::after {
  transform: scaleX(1);
}

/* ============================================================
   HERO — asymmetric, type-led
   ============================================================ */
.hero {
  position: relative;
  display: grid;
  grid-template-columns: minmax(0, 1.15fr) minmax(0, 0.85fr);
  align-items: end;
  gap: clamp(1.5rem, 4vw, 4rem);
  padding: clamp(4rem, 13vh, 9rem) var(--gutter) clamp(3.5rem, 9vh, 6rem);
  min-height: 78vh;
}

.hero__glow {
  position: absolute;
  z-index: -1;
  top: -22%;
  right: -12%;
  width: min(60rem, 85vw);
  aspect-ratio: 1;
  background: radial-gradient(
    circle at 50% 50%,
    rgba(180, 85, 58, 0.16),
    rgba(180, 85, 58, 0.04) 45%,
    transparent 68%
  );
  filter: blur(8px);
}

.hero__eyebrow {
  grid-column: 1 / -1;
  margin: 0 0 clamp(1rem, 3vh, 2.5rem);
  font-size: 0.78rem;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--muted);
}

.hero__eyebrow::before {
  content: "";
  display: inline-block;
  width: 2.5rem;
  height: 1px;
  margin-right: 0.85rem;
  vertical-align: 0.3em;
  background: var(--clay);
}

.hero__title {
  font-size: clamp(3.4rem, 13vw, 11rem);
  font-variation-settings: "opsz" 120;
  letter-spacing: -0.035em;
}

.hero__title .line {
  display: block;
}

.hero__title .dot {
  color: var(--clay);
}

.hero__aside {
  padding-bottom: 0.6rem;
  border-left: 1px solid var(--line);
  padding-left: clamp(1rem, 2.5vw, 2rem);
}

.hero__intro {
  margin: 0 0 1.75rem;
  max-width: 34ch;
  color: var(--ink-soft);
}

.hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem;
}

.hero__scroll {
  grid-column: 1 / -1;
  margin: clamp(2rem, 6vh, 4rem) 0 0;
  font-size: 0.72rem;
  letter-spacing: 0.24em;
  text-transform: uppercase;
  color: var(--muted);
}

.hero__scroll::after {
  content: "";
  display: block;
  width: 1px;
  height: 2.5rem;
  margin-top: 0.7rem;
  background: linear-gradient(var(--line), transparent);
  animation: drift 2.8s var(--ease) infinite;
}

@keyframes drift {
  0%,
  100% {
    transform: translateY(0);
    opacity: 0.9;
  }
  50% {
    transform: translateY(6px);
    opacity: 0.35;
  }
}

/* ---------- buttons ---------- */
.btn {
  --btn-bg: transparent;
  position: relative;
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.7rem 1.4rem;
  border: 1px solid var(--ink);
  border-radius: 999px;
  background: var(--btn-bg);
  font: inherit;
  font-size: 0.9rem;
  font-weight: 500;
  cursor: pointer;
  transition:
    transform 0.25s var(--ease),
    background-color 0.25s var(--ease),
    color 0.25s var(--ease),
    border-color 0.25s var(--ease);
}

.btn:hover {
  background: var(--ink);
  color: var(--paper);
  transform: translateY(-2px);
}

.btn:active {
  transform: translateY(0);
}

.btn--ghost {
  border-color: var(--line);
  color: var(--muted);
}

.btn--ghost:hover {
  border-color: var(--ink);
  color: var(--paper);
}

.btn--solid {
  align-self: start;
  border-color: var(--clay);
  background: var(--clay);
  color: var(--paper);
}

.btn--solid:hover {
  background: var(--ink);
  border-color: var(--ink);
}

.btn[disabled] {
  opacity: 0.55;
  pointer-events: none;
}

/* ============================================================
   SECTIONS — sticky editorial label, content on the right
   ============================================================ */
.section {
  display: grid;
  grid-template-columns: minmax(0, 0.3fr) minmax(0, 0.7fr);
  gap: clamp(1.5rem, 5vw, 5rem);
  padding: clamp(3.5rem, 10vh, 7rem) var(--gutter);
  border-top: 1px solid var(--line-soft);
  scroll-margin-top: 4.5rem;
}

.section__head {
  position: sticky;
  top: 5.5rem;
  align-self: start;
  display: flex;
  align-items: baseline;
  gap: 0.8rem;
}

.section__num {
  font-family: var(--font-display);
  font-size: 0.8rem;
  color: var(--clay);
  letter-spacing: 0.08em;
}

.section__title {
  font-size: clamp(1.5rem, 3vw, 2.25rem);
  font-style: italic;
}

.prose {
  max-width: var(--measure);
}

.prose p {
  margin: 0 0 1.2rem;
  color: var(--ink-soft);
}

.lede {
  font-family: var(--font-display);
  font-size: clamp(1.3rem, 2.6vw, 1.85rem);
  line-height: 1.32;
  letter-spacing: -0.015em;
  color: var(--ink);
  text-wrap: balance;
}

.prose .lede {
  color: var(--ink);
}

/* ============================================================
   SKILLS
   ============================================================ */
.skills {
  margin: 0;
}

.skills__row {
  display: grid;
  grid-template-columns: minmax(0, 0.34fr) minmax(0, 0.66fr);
  gap: 1rem clamp(1rem, 3vw, 2.5rem);
  padding: 1.15rem 0;
  border-bottom: 1px solid var(--line-soft);
}

.skills__row:first-child {
  padding-top: 0;
}

.skills__row dt {
  font-size: 0.8rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--muted);
}

.skills__row dd {
  margin: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem 0.5rem;
}

.skills__row dd span {
  padding: 0.28rem 0.7rem;
  border: 1px solid var(--line);
  border-radius: 999px;
  font-size: 0.85rem;
  background: var(--paper-2);
  transition:
    transform 0.2s var(--ease),
    border-color 0.2s var(--ease),
    background-color 0.2s var(--ease);
}

.skills__row dd span:hover {
  transform: translateY(-2px);
  border-color: var(--clay);
  background: var(--clay-soft);
}

/* ============================================================
   PROJECTS — editorial list, not cards
   ============================================================ */
.projects {
  margin: 0;
  padding: 0;
  list-style: none;
}

.project {
  border-bottom: 1px solid var(--line-soft);
}

.project:first-child {
  border-top: 1px solid var(--line-soft);
}

.project__link {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
  align-items: start;
  gap: clamp(0.9rem, 2.5vw, 2rem);
  padding: clamp(1.4rem, 3vw, 2.1rem) 0;
  transition: background-color 0.3s var(--ease);
}

.project__link:hover,
.project__link:focus-visible {
  background: linear-gradient(90deg, var(--clay-soft), transparent 70%);
}

.project__main,
.project__index {
  transition: transform 0.3s var(--ease);
}

.project__link:hover .project__main,
.project__link:hover .project__index,
.project__link:focus-visible .project__main,
.project__link:focus-visible .project__index {
  transform: translateX(0.6rem);
}

.project__index {
  font-family: var(--font-display);
  font-size: 0.78rem;
  color: var(--clay);
  padding-top: 0.45rem;
}

.project__main {
  display: block;
}

.project__title {
  display: block;
  font-family: var(--font-display);
  font-size: clamp(1.5rem, 3.4vw, 2.4rem);
  letter-spacing: -0.02em;
  line-height: 1.05;
}

.project__desc {
  display: block;
  margin-top: 0.5rem;
  max-width: 48ch;
  color: var(--ink-soft);
}

.project__tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.35rem 0.75rem;
  margin-top: 0.85rem;
  font-size: 0.78rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--muted);
}

.project__tags span + span::before {
  content: "·";
  margin-right: 0.75rem;
  color: var(--line);
}

.project__meta {
  display: flex;
  align-items: center;
  gap: 0.9rem;
  padding-top: 0.5rem;
  font-size: 0.8rem;
  letter-spacing: 0.08em;
  color: var(--muted);
}

.project__arrow {
  width: 1.25rem;
  height: 1.25rem;
  color: var(--clay);
  opacity: 0;
  transform: translateX(-6px);
  transition:
    opacity 0.3s var(--ease),
    transform 0.3s var(--ease);
}

.project__link:hover .project__arrow,
.project__link:focus-visible .project__arrow {
  opacity: 1;
  transform: translateX(0);
}

/* ============================================================
   CONTACT
   ============================================================ */
.contact {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
  gap: clamp(2rem, 5vw, 4rem);
  align-items: start;
}

.contact__intro .lede {
  margin: 0 0 1.75rem;
  max-width: 24ch;
}

.socials {
  margin: 0;
  padding: 0;
  list-style: none;
  display: flex;
  flex-direction: column;
}

.socials a {
  display: flex;
  align-items: center;
  gap: 0.85rem;
  padding: 0.7rem 0;
  border-bottom: 1px solid var(--line-soft);
  font-size: 0.95rem;
  color: var(--ink-soft);
  transition: color 0.25s var(--ease);
}

.socials a span {
  transition: transform 0.25s var(--ease);
}

.socials a:hover {
  color: var(--clay);
}

.socials a:hover span {
  transform: translateX(0.3rem);
}

.socials svg {
  width: 1.1rem;
  height: 1.1rem;
  flex: none;
}

/* ---------- form ---------- */
.form {
  display: grid;
  gap: 1.1rem;
  padding: clamp(1.25rem, 3vw, 2rem);
  border: 1px solid var(--line);
  border-radius: 6px;
  background: var(--paper-2);
}

.hidden-field {
  position: absolute;
  left: -9999px;
}

.field {
  display: grid;
  gap: 0.4rem;
}

.field label {
  font-size: 0.78rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--muted);
}

.field input,
.field textarea {
  width: 100%;
  padding: 0.7rem 0.85rem;
  border: 1px solid var(--line);
  border-radius: 4px;
  background: var(--paper);
  color: var(--ink);
  font: inherit;
  transition:
    border-color 0.2s var(--ease),
    box-shadow 0.2s var(--ease);
}

.field textarea {
  resize: vertical;
  min-height: 7rem;
}

.field input:focus,
.field textarea:focus {
  outline: none;
  border-color: var(--clay);
  box-shadow: 0 0 0 3px var(--clay-soft);
}

.field__error {
  margin: 0;
  min-height: 1em;
  font-size: 0.8rem;
  color: var(--clay);
}

.field.has-error input,
.field.has-error textarea {
  border-color: var(--clay);
}

.form__status {
  margin: 0;
  font-size: 0.9rem;
  color: var(--muted);
}

.form__status.is-error {
  color: var(--clay);
}

.form.is-sent .field,
.form.is-sent .btn--solid {
  display: none;
}

.form.is-sent .form__status {
  font-family: var(--font-display);
  font-size: 1.25rem;
  line-height: 1.4;
  color: var(--ink);
}

/* ============================================================
   FOOTER
   ============================================================ */
.footer {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem 1.5rem;
  justify-content: space-between;
  padding: 2rem var(--gutter) 2.5rem;
  border-top: 1px solid var(--line-soft);
  font-size: 0.82rem;
  letter-spacing: 0.06em;
  color: var(--muted);
}

.footer p {
  margin: 0;
}

.footer a:hover {
  color: var(--clay);
}

/* ============================================================
   MOTION — load stagger + scroll reveal
   ============================================================ */
.stagger {
  opacity: 0;
  transform: translateY(14px);
  animation: rise 0.85s var(--ease) forwards;
  animation-delay: calc(var(--i) * 110ms + 80ms);
}

@keyframes rise {
  to {
    opacity: 1;
    transform: none;
  }
}

[data-reveal] {
  opacity: 0;
  transform: translateY(18px);
  transition:
    opacity 0.7s var(--ease),
    transform 0.7s var(--ease);
}

[data-reveal].is-visible {
  opacity: 1;
  transform: none;
}

/* ============================================================
   RESPONSIVE
   ============================================================ */
@media (max-width: 860px) {
  .hero {
    grid-template-columns: 1fr;
    align-items: start;
    min-height: 0;
    padding-top: clamp(2.5rem, 8vh, 4rem);
  }

  .hero__aside {
    border-left: 0;
    border-top: 1px solid var(--line);
    padding-left: 0;
    padding-top: 1.5rem;
    margin-top: 1.5rem;
  }

  .hero__intro {
    max-width: 46ch;
  }

  .section,
  .contact,
  .skills__row {
    grid-template-columns: 1fr;
  }

  .section__head {
    position: static;
  }

  .project__link {
    grid-template-columns: auto minmax(0, 1fr);
  }

  .project__meta {
    grid-column: 2;
    padding-top: 0.9rem;
  }

  .project__arrow {
    opacity: 1;
    transform: none;
  }

  .nav__name {
    display: none;
  }
}

@media (max-width: 420px) {
  .nav__links {
    gap: 0.7rem;
    font-size: 0.8rem;
  }
}

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

  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }

  .stagger,
  [data-reveal] {
    opacity: 1;
    transform: none;
  }
}