/* ==========================================================================
   Samir Samite — Portfolio
   Design system: "old money" dark — Playfair Display + Inter
   ========================================================================== */

:root {
  --color-bg: #050608;
  --color-bg-alt: #0B1A16;
  --color-text: #F5E9D5;
  --color-accent: #C9A227;
  --color-gray-light: #9A9FA5;
  --color-gray-dark: #4A4F55;

  --font-heading: "Playfair Display", Georgia, serif;
  --font-body: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;

  --max-width: 1120px;
  --section-padding-y: clamp(4.5rem, 9vw, 7.5rem);
  --section-padding-x: clamp(1.5rem, 6vw, 4rem);

  --transition-base: 220ms ease;
  --transition-smooth: 700ms cubic-bezier(0.16, 1, 0.3, 1);

  /* Soft glow tints derived from the accent + secondary background, used to
     create gentle directional light that guides the eye down the page. */
  --glow-accent-strong: rgba(201, 162, 39, 0.18);
  --glow-accent-soft: rgba(201, 162, 39, 0.07);
  --glow-teal-soft: rgba(86, 140, 124, 0.08);

  /* Softer, lower-contrast hairlines — used instead of solid grays so
     edges blend into the dark background rather than cutting across it. */
  --border-soft: rgba(154, 159, 165, 0.14);
  --border-soft-strong: rgba(154, 159, 165, 0.22);
}

/* ---------------------------------------------------------------------- */
/* Reset & base                                                            */
/* ---------------------------------------------------------------------- */

*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
}

body {
  background-color: var(--color-bg);
  color: var(--color-text);
  font-family: var(--font-body);
  font-weight: 300;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}

h1, h2, h3, h4 {
  font-family: var(--font-heading);
  font-weight: 600;
  line-height: 1.2;
  letter-spacing: 0.01em;
}

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

ul {
  list-style: none;
}

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

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

/* ---------------------------------------------------------------------- */
/* Layout helpers                                                          */
/* ---------------------------------------------------------------------- */

.section {
  position: relative;
  padding: var(--section-padding-y) var(--section-padding-x);
  /* Soft glow drifting in from the upper-left — part of a gentle zig-zag of
     light that leads the eye from section to section. */
  background:
    radial-gradient(ellipse 60% 50% at 12% -10%, var(--glow-accent-soft), transparent 60%),
    var(--color-bg);
}

.section--alt {
  background:
    radial-gradient(ellipse 65% 55% at 88% 112%, var(--glow-accent-soft), transparent 60%),
    radial-gradient(ellipse 50% 40% at 0% 0%, var(--glow-teal-soft), transparent 65%),
    var(--color-bg-alt);
}

/* ------------------------------------------------------------------ */
/* Cursor spotlight — soft halo of accent light that follows the      */
/* pointer across the page. Disabled on touch devices.                 */
/* ------------------------------------------------------------------ */

.spotlight-cursor {
  position: fixed;
  top: 0;
  left: 0;
  width: 460px;
  height: 460px;
  border-radius: 50%;
  pointer-events: none;
  z-index: 5;
  background: radial-gradient(circle, var(--glow-accent-strong) 0%, transparent 72%);
  filter: blur(38px);
  opacity: 0;
  transition: opacity 500ms ease;
  will-change: transform;
  mix-blend-mode: screen;
}

.spotlight-cursor--visible {
  opacity: 1;
}

@media (hover: none), (max-width: 720px) {
  .spotlight-cursor {
    display: none;
  }
}

@media (prefers-reduced-motion: reduce) {
  .spotlight-cursor {
    display: none;
  }
}

/* ------------------------------------------------------------------ */
/* Card glow — a soft light that follows the cursor within cards,     */
/* set via the --mx / --my custom properties (see scripts.js).        */
/* ------------------------------------------------------------------ */

.skill-card,
.exp-card,
.project-card {
  position: relative;
  overflow: hidden;
}

.skill-card::before,
.exp-card::before,
.project-card::before {
  content: "";
  position: absolute;
  inset: 0;
  background: radial-gradient(240px circle at var(--mx, 50%) var(--my, 50%), var(--glow-accent-soft), transparent 72%);
  opacity: 0;
  transition: opacity 380ms ease;
  pointer-events: none;
}

.skill-card:hover::before,
.exp-card:hover::before,
.project-card:hover::before {
  opacity: 1;
}

.section__inner {
  max-width: var(--max-width);
  margin: 0 auto;
}

.section__inner--narrow {
  max-width: 720px;
}

.section__eyebrow {
  font-size: 0.8rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--color-accent);
  margin-bottom: 0.9rem;
}

.section__title {
  font-size: clamp(1.8rem, 4vw, 2.6rem);
  margin-bottom: 1.5rem;
  max-width: 30ch;
}

.section__lede {
  color: var(--color-gray-light);
  max-width: 62ch;
  margin-bottom: 2.5rem;
  font-size: 1.05rem;
}

/* ---------------------------------------------------------------------- */
/* Buttons                                                                 */
/* ---------------------------------------------------------------------- */

.btn {
  display: inline-block;
  font-family: var(--font-body);
  font-weight: 500;
  font-size: 0.95rem;
  letter-spacing: 0.02em;
  padding: 0.85rem 1.9rem;
  border-radius: 999px;
  border: 1px solid transparent;
  cursor: pointer;
  transition: background-color var(--transition-base), color var(--transition-base),
    border-color var(--transition-base), transform var(--transition-base);
}

.btn--primary {
  background-color: var(--color-accent);
  color: var(--color-bg);
  border-color: var(--color-accent);
}

.btn--primary:hover {
  background-color: #e0b62f;
  transform: translateY(-2px) scale(1.02);
}

.btn--ghost {
  background-color: transparent;
  color: var(--color-text);
  border-color: var(--color-gray-dark);
}

.btn--ghost:hover {
  border-color: var(--color-accent);
  color: var(--color-accent);
  transform: translateY(-2px) scale(1.02);
}

/* ---------------------------------------------------------------------- */
/* Navbar                                                                  */
/* ---------------------------------------------------------------------- */

.navbar {
  position: sticky;
  top: 0;
  z-index: 100;
  width: 100%;
  background-color: transparent;
  border-bottom: 1px solid transparent;
  transition: background-color var(--transition-base), border-color var(--transition-base),
    backdrop-filter var(--transition-base);
}

.navbar--scrolled {
  background-color: rgba(5, 6, 8, 0.72);
  border-bottom-color: var(--border-soft);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
}

.navbar__inner {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 1.1rem var(--section-padding-x);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.navbar__brand {
  font-family: var(--font-heading);
  font-size: 1.25rem;
  font-weight: 600;
  letter-spacing: 0.03em;
}

.navbar__list {
  display: flex;
  gap: 2.1rem;
}

.navbar__link {
  position: relative;
  font-size: 0.92rem;
  letter-spacing: 0.03em;
  color: var(--color-gray-light);
  padding-bottom: 0.3rem;
  transition: color var(--transition-base);
}

.navbar__link::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: 0;
  width: 0;
  height: 1px;
  background-color: var(--color-accent);
  transition: width var(--transition-base);
}

.navbar__link:hover {
  color: var(--color-text);
}

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

.navbar__link--active::after {
  width: 100%;
}

.navbar__toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 38px;
  height: 38px;
  background: transparent;
  border: 1px solid var(--color-gray-dark);
  border-radius: 8px;
  cursor: pointer;
}

.navbar__toggle span {
  display: block;
  width: 18px;
  height: 1px;
  margin: 0 auto;
  background-color: var(--color-text);
  transition: transform var(--transition-base), opacity var(--transition-base);
}

.navbar__toggle[aria-expanded="true"] span:nth-child(1) {
  transform: translateY(6px) rotate(45deg);
}

.navbar__toggle[aria-expanded="true"] span:nth-child(2) {
  opacity: 0;
}

.navbar__toggle[aria-expanded="true"] span:nth-child(3) {
  transform: translateY(-6px) rotate(-45deg);
}

/* ---------------------------------------------------------------------- */
/* Hero                                                                    */
/* ---------------------------------------------------------------------- */

.hero {
  position: relative;
  min-height: calc(100vh - 70px);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 3rem;
  padding: var(--section-padding-y) var(--section-padding-x);
  max-width: var(--max-width);
  margin: 0 auto;
}

.hero::before {
  content: "";
  position: absolute;
  inset: -10% -6% auto auto;
  width: min(620px, 70vw);
  height: min(620px, 70vw);
  background: radial-gradient(circle, var(--glow-accent-soft), transparent 68%);
  filter: blur(10px);
  pointer-events: none;
  z-index: -1;
}

.hero__inner {
  max-width: 640px;
}

.hero__eyebrow {
  font-size: 0.8rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--color-accent);
  margin-bottom: 1.4rem;
}

.hero__title {
  font-size: clamp(2.6rem, 7vw, 4.2rem);
  margin-bottom: 0.9rem;
}

.hero__tagline {
  font-family: var(--font-heading);
  font-size: clamp(1.1rem, 2.4vw, 1.4rem);
  color: var(--color-text);
  margin-bottom: 1.4rem;
}

.hero__subtitle {
  color: var(--color-gray-light);
  font-size: 1.05rem;
  max-width: 56ch;
  margin-bottom: 2.4rem;
}

.hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
}

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

.hero__portrait-frame {
  position: relative;
  width: clamp(200px, 24vw, 280px);
  aspect-ratio: 4 / 5;
  border-radius: 28px;
  overflow: hidden;
  border: 1px solid var(--border-soft-strong);
  background: linear-gradient(160deg, var(--color-bg-alt), var(--color-bg));
  box-shadow: 0 30px 80px -30px rgba(0, 0, 0, 0.6);
  transition: transform var(--transition-smooth), border-color var(--transition-base);
}

.hero__portrait-frame::after {
  content: "";
  position: absolute;
  inset: 0;
  border-radius: inherit;
  box-shadow: inset 0 0 0 1px rgba(201, 162, 39, 0.16);
  pointer-events: none;
}

.hero__portrait-frame:hover {
  transform: translateY(-4px);
  border-color: rgba(201, 162, 39, 0.45);
}

.hero__portrait {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center 18%;
  filter: saturate(0.92) contrast(1.02);
}

/* Fallback monogram — shown only if assets/portrait.jpg fails to load
   (see the inline onerror handler in index.html). */
.hero__monogram {
  display: none;
  position: absolute;
  inset: 0;
  align-items: center;
  justify-content: center;
  font-family: var(--font-heading);
  font-size: clamp(2.4rem, 6vw, 3.6rem);
  letter-spacing: 0.06em;
  color: var(--color-accent);
  background: radial-gradient(circle at 32% 28%, rgba(201, 162, 39, 0.18), transparent 60%),
    linear-gradient(160deg, var(--color-bg-alt), var(--color-bg));
}

.hero__portrait-frame--fallback .hero__monogram {
  display: flex;
}

/* ---------------------------------------------------------------------- */
/* About                                                                   */
/* ---------------------------------------------------------------------- */

.about__grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.8rem 2.5rem;
}

.about__text {
  color: var(--color-gray-light);
  font-size: 1.02rem;
}

/* ---------------------------------------------------------------------- */
/* Skills                                                                  */
/* ---------------------------------------------------------------------- */

.skills__grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(230px, 1fr));
  gap: 1.4rem;
}

.skill-card {
  border: 1px solid var(--border-soft-strong);
  border-radius: 14px;
  padding: 1.8rem;
  background-color: rgba(245, 233, 213, 0.02);
  transition: border-color var(--transition-base), transform var(--transition-base);
}

.skill-card:hover {
  border-color: var(--color-accent);
  transform: translateY(-3px);
}

.skill-card__title {
  font-size: 1.05rem;
  margin-bottom: 1rem;
  color: var(--color-text);
}

.skill-card__list li {
  position: relative;
  padding-left: 1.1rem;
  color: var(--color-gray-light);
  font-size: 0.95rem;
  margin-bottom: 0.55rem;
}

.skill-card__list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.6em;
  width: 6px;
  height: 1px;
  background-color: var(--color-accent);
}

/* ---------------------------------------------------------------------- */
/* Experience                                                              */
/* ---------------------------------------------------------------------- */

.experience__list {
  display: flex;
  flex-direction: column;
  gap: 1.6rem;
}

.exp-card {
  border: 1px solid var(--border-soft-strong);
  border-left: 2px solid var(--color-accent);
  border-radius: 10px;
  padding: 1.9rem 2.1rem;
  background-color: rgba(245, 233, 213, 0.02);
  transition: transform var(--transition-base), border-color var(--transition-base);
}

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

.exp-card__header {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  justify-content: space-between;
  gap: 0.6rem;
  margin-bottom: 1rem;
  padding-bottom: 1rem;
  border-bottom: 1px solid var(--border-soft);
}

.exp-card__role {
  font-size: 1.18rem;
  margin-bottom: 0.25rem;
}

.exp-card__org {
  color: var(--color-gray-light);
  font-size: 0.92rem;
  letter-spacing: 0.02em;
}

.exp-card__period {
  color: var(--color-accent);
  font-size: 0.85rem;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  white-space: nowrap;
}

.exp-card__list li {
  position: relative;
  padding-left: 1.2rem;
  color: var(--color-gray-light);
  font-size: 0.97rem;
  margin-bottom: 0.65rem;
}

.exp-card__list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.62em;
  width: 6px;
  height: 1px;
  background-color: var(--color-accent);
}

/* ---------------------------------------------------------------------- */
/* Projects                                                                */
/* ---------------------------------------------------------------------- */

.projects__grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 1.4rem;
}

.project-card {
  border: 1px solid var(--border-soft-strong);
  border-radius: 14px;
  padding: 1.8rem;
  background-color: rgba(245, 233, 213, 0.02);
  transition: border-color var(--transition-base), transform var(--transition-base);
}

.project-card:hover {
  border-color: var(--color-accent);
  transform: translateY(-3px);
}

.project-card__year {
  color: var(--color-accent);
  font-size: 0.82rem;
  letter-spacing: 0.12em;
  margin-bottom: 0.6rem;
}

.project-card__title {
  font-size: 1.1rem;
  margin-bottom: 0.35rem;
}

.project-card__org {
  color: var(--color-gray-light);
  font-size: 0.86rem;
  margin-bottom: 0.9rem;
}

.project-card__text {
  color: var(--color-gray-light);
  font-size: 0.95rem;
}

/* ---------------------------------------------------------------------- */
/* Contact                                                                 */
/* ---------------------------------------------------------------------- */

.contact-form {
  display: flex;
  flex-direction: column;
  gap: 1.3rem;
  margin-bottom: 2.5rem;
}

.contact-form__honeypot {
  position: absolute;
  left: -9999px;
  width: 1px;
  height: 1px;
  overflow: hidden;
}

.contact-form__row {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.contact-form__row--checkbox {
  flex-direction: row;
  align-items: flex-start;
  gap: 0.7rem;
}

.contact-form__row--checkbox input {
  margin-top: 0.3rem;
  accent-color: var(--color-accent);
}

.contact-form__row--checkbox label {
  color: var(--color-gray-light);
  font-size: 0.9rem;
}

.contact-form__label {
  font-size: 0.85rem;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--color-gray-light);
}

.contact-form__optional {
  text-transform: none;
  letter-spacing: 0;
  color: var(--color-gray-dark);
}

.contact-form__input {
  font-family: var(--font-body);
  font-size: 1rem;
  color: var(--color-text);
  background-color: rgba(245, 233, 213, 0.03);
  border: 1px solid var(--border-soft-strong);
  border-radius: 8px;
  padding: 0.85rem 1rem;
  transition: border-color var(--transition-base), background-color var(--transition-base);
}

.contact-form__input:focus {
  outline: none;
  border-color: var(--color-accent);
  background-color: rgba(245, 233, 213, 0.05);
}

.contact-form__input--textarea {
  resize: vertical;
  min-height: 120px;
}

.contact-form__submit {
  align-self: flex-start;
}

.contact-form__status {
  font-size: 0.92rem;
  min-height: 1.4em;
}

.contact-form__status--success {
  color: var(--color-accent);
}

.contact-form__status--error {
  color: #c97a4a;
}

.contact-links {
  display: flex;
  flex-wrap: wrap;
  gap: 1.6rem;
}

.contact-links__item {
  font-size: 0.95rem;
  color: var(--color-gray-light);
  border-bottom: 1px solid transparent;
  padding-bottom: 0.2rem;
  transition: color var(--transition-base), border-color var(--transition-base);
}

.contact-links__item:hover {
  color: var(--color-accent);
  border-color: var(--color-accent);
}

/* ---------------------------------------------------------------------- */
/* Footer                                                                  */
/* ---------------------------------------------------------------------- */

.footer {
  border-top: 1px solid var(--border-soft);
  padding: 3rem var(--section-padding-x);
  background-color: var(--color-bg);
}

.footer__inner {
  max-width: var(--max-width);
  margin: 0 auto;
  text-align: center;
}

.footer__brand {
  font-family: var(--font-heading);
  font-size: 1.15rem;
  margin-bottom: 0.4rem;
}

.footer__tagline,
.footer__location {
  color: var(--color-gray-light);
  font-size: 0.88rem;
  margin-bottom: 0.25rem;
}

.footer__copy {
  color: var(--color-gray-dark);
  font-size: 0.8rem;
  margin-top: 1.2rem;
}

/* ---------------------------------------------------------------------- */
/* Reveal-on-scroll animation                                             */
/* ---------------------------------------------------------------------- */

.reveal {
  opacity: 0;
  transform: translateY(26px) scale(0.985);
  filter: blur(6px);
  transition: opacity var(--transition-smooth), transform var(--transition-smooth), filter var(--transition-smooth);
  transition-delay: var(--reveal-delay, 0ms);
}

.reveal--visible {
  opacity: 1;
  transform: translateY(0) scale(1);
  filter: blur(0);
}

@media (prefers-reduced-motion: reduce) {
  .reveal {
    opacity: 1;
    transform: none;
    filter: none;
    transition: none;
  }

  html {
    scroll-behavior: auto;
  }
}

/* ---------------------------------------------------------------------- */
/* Responsive                                                              */
/* ---------------------------------------------------------------------- */

@media (max-width: 860px) {
  .hero {
    flex-direction: column-reverse;
    text-align: left;
    min-height: auto;
    padding-top: 3.5rem;
  }

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

@media (max-width: 720px) {
  .navbar__nav {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background-color: rgba(5, 6, 8, 0.96);
    backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--border-soft);
    max-height: 0;
    overflow: hidden;
    transition: max-height var(--transition-base);
  }

  .navbar__nav--open {
    max-height: 360px;
  }

  .navbar__list {
    flex-direction: column;
    gap: 0;
    padding: 0.5rem var(--section-padding-x) 1.2rem;
  }

  .navbar__list li {
    border-bottom: 1px solid rgba(154, 159, 165, 0.08);
  }

  .navbar__link {
    display: block;
    padding: 0.9rem 0;
  }

  .navbar__toggle {
    display: flex;
  }

  .exp-card__header {
    flex-direction: column;
    align-items: flex-start;
  }
}